1 /* vi:set ts=8 sts=4 sw=4 noet: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * GUI/Motif support by Robert Webb 5 * 6 * Do ":help uganda" in Vim to read copying and usage conditions. 7 * Do ":help credits" in Vim to see a list of people who contributed. 8 * See README.txt for an overview of the Vim source code. 9 */ 10 11 #include "vim.h" 12 13 // Structure containing all the GUI information 14 gui_T gui; 15 16 #if !defined(FEAT_GUI_GTK) 17 static void set_guifontwide(char_u *font_name); 18 #endif 19 static void gui_check_pos(void); 20 static void gui_reset_scroll_region(void); 21 static void gui_outstr(char_u *, int); 22 static int gui_screenchar(int off, int flags, guicolor_T fg, guicolor_T bg, int back); 23 static int gui_outstr_nowrap(char_u *s, int len, int flags, guicolor_T fg, guicolor_T bg, int back); 24 static void gui_delete_lines(int row, int count); 25 static void gui_insert_lines(int row, int count); 26 static int gui_xy2colrow(int x, int y, int *colp); 27 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 28 static int gui_has_tabline(void); 29 #endif 30 static void gui_do_scrollbar(win_T *wp, int which, int enable); 31 static void gui_update_horiz_scrollbar(int); 32 static void gui_set_fg_color(char_u *name); 33 static void gui_set_bg_color(char_u *name); 34 static win_T *xy2win(int x, int y, mouse_find_T popup); 35 36 #ifdef GUI_MAY_FORK 37 static void gui_do_fork(void); 38 39 static int gui_read_child_pipe(int fd); 40 41 // Return values for gui_read_child_pipe 42 enum { 43 GUI_CHILD_IO_ERROR, 44 GUI_CHILD_OK, 45 GUI_CHILD_FAILED 46 }; 47 #endif 48 49 static void gui_attempt_start(void); 50 51 static int can_update_cursor = TRUE; // can display the cursor 52 static int disable_flush = 0; // If > 0, gui_mch_flush() is disabled. 53 54 /* 55 * The Athena scrollbars can move the thumb to after the end of the scrollbar, 56 * this makes the thumb indicate the part of the text that is shown. Motif 57 * can't do this. 58 */ 59 #if defined(FEAT_GUI_ATHENA) 60 # define SCROLL_PAST_END 61 #endif 62 63 /* 64 * gui_start -- Called when user wants to start the GUI. 65 * 66 * Careful: This function can be called recursively when there is a ":gui" 67 * command in the .gvimrc file. Only the first call should fork, not the 68 * recursive call. 69 */ 70 void 71 gui_start(char_u *arg UNUSED) 72 { 73 char_u *old_term; 74 static int recursive = 0; 75 #if defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD) 76 char *msg = NULL; 77 #endif 78 79 old_term = vim_strsave(T_NAME); 80 81 settmode(TMODE_COOK); // stop RAW mode 82 if (full_screen) 83 cursor_on(); // needed for ":gui" in .vimrc 84 full_screen = FALSE; 85 86 ++recursive; 87 88 #ifdef GUI_MAY_FORK 89 /* 90 * Quit the current process and continue in the child. 91 * Makes "gvim file" disconnect from the shell it was started in. 92 * Don't do this when Vim was started with "-f" or the 'f' flag is present 93 * in 'guioptions'. 94 * Don't do this when there is a running job, we can only get the status 95 * of a child from the parent. 96 */ 97 if (gui.dofork && !vim_strchr(p_go, GO_FORG) && recursive <= 1 98 # ifdef FEAT_JOB_CHANNEL 99 && !job_any_running() 100 # endif 101 ) 102 { 103 gui_do_fork(); 104 } 105 else 106 #endif 107 #ifdef GUI_MAY_SPAWN 108 if (gui.dospawn 109 # ifdef EXPERIMENTAL_GUI_CMD 110 && gui.dofork 111 # endif 112 && !vim_strchr(p_go, GO_FORG) 113 && !anyBufIsChanged() 114 # ifdef FEAT_JOB_CHANNEL 115 && !job_any_running() 116 # endif 117 ) 118 { 119 # ifdef EXPERIMENTAL_GUI_CMD 120 msg = 121 # endif 122 gui_mch_do_spawn(arg); 123 } 124 else 125 #endif 126 { 127 #ifdef FEAT_GUI_GTK 128 // If there is 'f' in 'guioptions' and specify -g argument, 129 // gui_mch_init_check() was not called yet. 130 if (gui_mch_init_check() != OK) 131 getout_preserve_modified(1); 132 #endif 133 gui_attempt_start(); 134 } 135 136 if (!gui.in_use) // failed to start GUI 137 { 138 // Back to old term settings 139 // 140 // FIXME: If we got here because a child process failed and flagged to 141 // the parent to resume, and X11 is enabled with FEAT_TITLE, this will 142 // hit an X11 I/O error and do a longjmp(), leaving recursive 143 // permanently set to 1. This is probably not as big a problem as it 144 // sounds, because gui_mch_init() in both gui_x11.c and gui_gtk_x11.c 145 // return "OK" unconditionally, so it would be very difficult to 146 // actually hit this case. 147 termcapinit(old_term); 148 settmode(TMODE_RAW); // restart RAW mode 149 #ifdef FEAT_TITLE 150 set_title_defaults(); // set 'title' and 'icon' again 151 #endif 152 #if defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD) 153 if (msg) 154 emsg(msg); 155 #endif 156 } 157 158 vim_free(old_term); 159 160 // If the GUI started successfully, trigger the GUIEnter event, otherwise 161 // the GUIFailed event. 162 gui_mch_update(); 163 apply_autocmds(gui.in_use ? EVENT_GUIENTER : EVENT_GUIFAILED, 164 NULL, NULL, FALSE, curbuf); 165 --recursive; 166 } 167 168 /* 169 * Set_termname() will call gui_init() to start the GUI. 170 * Set the "starting" flag, to indicate that the GUI will start. 171 * 172 * We don't want to open the GUI shell until after we've read .gvimrc, 173 * otherwise we don't know what font we will use, and hence we don't know 174 * what size the shell should be. So if there are errors in the .gvimrc 175 * file, they will have to go to the terminal: Set full_screen to FALSE. 176 * full_screen will be set to TRUE again by a successful termcapinit(). 177 */ 178 static void 179 gui_attempt_start(void) 180 { 181 static int recursive = 0; 182 183 ++recursive; 184 gui.starting = TRUE; 185 186 #ifdef FEAT_GUI_GTK 187 gui.event_time = GDK_CURRENT_TIME; 188 #endif 189 190 termcapinit((char_u *)"builtin_gui"); 191 gui.starting = recursive - 1; 192 193 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) 194 if (gui.in_use) 195 { 196 # ifdef FEAT_EVAL 197 Window x11_window; 198 Display *x11_display; 199 200 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) 201 set_vim_var_nr(VV_WINDOWID, (long)x11_window); 202 # endif 203 204 // Display error messages in a dialog now. 205 display_errors(); 206 } 207 #endif 208 --recursive; 209 } 210 211 #ifdef GUI_MAY_FORK 212 213 // for waitpid() 214 # if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT) 215 # include <sys/wait.h> 216 # endif 217 218 /* 219 * Create a new process, by forking. In the child, start the GUI, and in 220 * the parent, exit. 221 * 222 * If something goes wrong, this will return with gui.in_use still set 223 * to FALSE, in which case the caller should continue execution without 224 * the GUI. 225 * 226 * If the child fails to start the GUI, then the child will exit and the 227 * parent will return. If the child succeeds, then the parent will exit 228 * and the child will return. 229 */ 230 static void 231 gui_do_fork(void) 232 { 233 int pipefd[2]; // pipe between parent and child 234 int pipe_error; 235 int status; 236 int exit_status; 237 pid_t pid = -1; 238 239 // Setup a pipe between the child and the parent, so that the parent 240 // knows when the child has done the setsid() call and is allowed to 241 // exit. 242 pipe_error = (pipe(pipefd) < 0); 243 pid = fork(); 244 if (pid < 0) // Fork error 245 { 246 emsg(_("E851: Failed to create a new process for the GUI")); 247 return; 248 } 249 else if (pid > 0) // Parent 250 { 251 // Give the child some time to do the setsid(), otherwise the 252 // exit() may kill the child too (when starting gvim from inside a 253 // gvim). 254 if (!pipe_error) 255 { 256 // The read returns when the child closes the pipe (or when 257 // the child dies for some reason). 258 close(pipefd[1]); 259 status = gui_read_child_pipe(pipefd[0]); 260 if (status == GUI_CHILD_FAILED) 261 { 262 // The child failed to start the GUI, so the caller must 263 // continue. There may be more error information written 264 // to stderr by the child. 265 # ifdef __NeXT__ 266 wait4(pid, &exit_status, 0, (struct rusage *)0); 267 # else 268 waitpid(pid, &exit_status, 0); 269 # endif 270 emsg(_("E852: The child process failed to start the GUI")); 271 return; 272 } 273 else if (status == GUI_CHILD_IO_ERROR) 274 { 275 pipe_error = TRUE; 276 } 277 // else GUI_CHILD_OK: parent exit 278 } 279 280 if (pipe_error) 281 ui_delay(301L, TRUE); 282 283 // When swapping screens we may need to go to the next line, e.g., 284 // after a hit-enter prompt and using ":gui". 285 if (newline_on_exit) 286 mch_errmsg("\r\n"); 287 288 /* 289 * The parent must skip the normal exit() processing, the child 290 * will do it. For example, GTK messes up signals when exiting. 291 */ 292 _exit(0); 293 } 294 // Child 295 296 #ifdef FEAT_GUI_GTK 297 // Call gtk_init_check() here after fork(). See gui_init_check(). 298 if (gui_mch_init_check() != OK) 299 getout_preserve_modified(1); 300 #endif 301 302 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) 303 /* 304 * Change our process group. On some systems/shells a CTRL-C in the 305 * shell where Vim was started would otherwise kill gvim! 306 */ 307 # if defined(HAVE_SETSID) 308 (void)setsid(); 309 # else 310 (void)setpgid(0, 0); 311 # endif 312 # endif 313 if (!pipe_error) 314 close(pipefd[0]); 315 316 # if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION) 317 // Tell the session manager our new PID 318 gui_mch_forked(); 319 # endif 320 321 // Try to start the GUI 322 gui_attempt_start(); 323 324 // Notify the parent 325 if (!pipe_error) 326 { 327 if (gui.in_use) 328 write_eintr(pipefd[1], "ok", 3); 329 else 330 write_eintr(pipefd[1], "fail", 5); 331 close(pipefd[1]); 332 } 333 334 // If we failed to start the GUI, exit now. 335 if (!gui.in_use) 336 getout_preserve_modified(1); 337 } 338 339 /* 340 * Read from a pipe assumed to be connected to the child process (this 341 * function is called from the parent). 342 * Return GUI_CHILD_OK if the child successfully started the GUI, 343 * GUY_CHILD_FAILED if the child failed, or GUI_CHILD_IO_ERROR if there was 344 * some other error. 345 * 346 * The file descriptor will be closed before the function returns. 347 */ 348 static int 349 gui_read_child_pipe(int fd) 350 { 351 long bytes_read; 352 #define READ_BUFFER_SIZE 10 353 char buffer[READ_BUFFER_SIZE]; 354 355 bytes_read = read_eintr(fd, buffer, READ_BUFFER_SIZE - 1); 356 #undef READ_BUFFER_SIZE 357 close(fd); 358 if (bytes_read < 0) 359 return GUI_CHILD_IO_ERROR; 360 buffer[bytes_read] = NUL; 361 if (strcmp(buffer, "ok") == 0) 362 return GUI_CHILD_OK; 363 return GUI_CHILD_FAILED; 364 } 365 366 #endif // GUI_MAY_FORK 367 368 /* 369 * Call this when vim starts up, whether or not the GUI is started 370 */ 371 void 372 gui_prepare(int *argc, char **argv) 373 { 374 gui.in_use = FALSE; // No GUI yet (maybe later) 375 gui.starting = FALSE; // No GUI yet (maybe later) 376 gui_mch_prepare(argc, argv); 377 } 378 379 /* 380 * Try initializing the GUI and check if it can be started. 381 * Used from main() to check early if "vim -g" can start the GUI. 382 * Used from gui_init() to prepare for starting the GUI. 383 * Returns FAIL or OK. 384 */ 385 int 386 gui_init_check(void) 387 { 388 static int result = MAYBE; 389 390 if (result != MAYBE) 391 { 392 if (result == FAIL) 393 emsg(_("E229: Cannot start the GUI")); 394 return result; 395 } 396 397 gui.shell_created = FALSE; 398 gui.dying = FALSE; 399 gui.in_focus = TRUE; // so the guicursor setting works 400 gui.dragged_sb = SBAR_NONE; 401 gui.dragged_wp = NULL; 402 gui.pointer_hidden = FALSE; 403 gui.col = 0; 404 gui.row = 0; 405 gui.num_cols = Columns; 406 gui.num_rows = Rows; 407 408 gui.cursor_is_valid = FALSE; 409 gui.scroll_region_top = 0; 410 gui.scroll_region_bot = Rows - 1; 411 gui.scroll_region_left = 0; 412 gui.scroll_region_right = Columns - 1; 413 gui.highlight_mask = HL_NORMAL; 414 gui.char_width = 1; 415 gui.char_height = 1; 416 gui.char_ascent = 0; 417 gui.border_width = 0; 418 419 gui.norm_font = NOFONT; 420 #ifndef FEAT_GUI_GTK 421 gui.bold_font = NOFONT; 422 gui.ital_font = NOFONT; 423 gui.boldital_font = NOFONT; 424 # ifdef FEAT_XFONTSET 425 gui.fontset = NOFONTSET; 426 # endif 427 #endif 428 gui.wide_font = NOFONT; 429 #ifndef FEAT_GUI_GTK 430 gui.wide_bold_font = NOFONT; 431 gui.wide_ital_font = NOFONT; 432 gui.wide_boldital_font = NOFONT; 433 #endif 434 435 #ifdef FEAT_MENU 436 # ifndef FEAT_GUI_GTK 437 # ifdef FONTSET_ALWAYS 438 gui.menu_fontset = NOFONTSET; 439 # else 440 gui.menu_font = NOFONT; 441 # endif 442 # endif 443 gui.menu_is_active = TRUE; // default: include menu 444 # ifndef FEAT_GUI_GTK 445 gui.menu_height = MENU_DEFAULT_HEIGHT; 446 gui.menu_width = 0; 447 # endif 448 #endif 449 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) \ 450 || defined(FEAT_GUI_HAIKU)) 451 gui.toolbar_height = 0; 452 #endif 453 #if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF) 454 gui.footer_height = 0; 455 #endif 456 #ifdef FEAT_BEVAL_TIP 457 gui.tooltip_fontset = NOFONTSET; 458 #endif 459 460 gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH; 461 gui.prev_wrap = -1; 462 463 #if defined(ALWAYS_USE_GUI) || defined(VIMDLL) 464 result = OK; 465 #else 466 # ifdef FEAT_GUI_GTK 467 /* 468 * Note: Don't call gtk_init_check() before fork, it will be called after 469 * the fork. When calling it before fork, it make vim hang for a while. 470 * See gui_do_fork(). 471 * Use a simpler check if the GUI window can probably be opened. 472 */ 473 result = gui.dofork ? gui_mch_early_init_check(TRUE) : gui_mch_init_check(); 474 # else 475 result = gui_mch_init_check(); 476 # endif 477 #endif 478 return result; 479 } 480 481 /* 482 * This is the call which starts the GUI. 483 */ 484 void 485 gui_init(void) 486 { 487 win_T *wp; 488 static int recursive = 0; 489 490 /* 491 * It's possible to use ":gui" in a .gvimrc file. The first halve of this 492 * function will then be executed at the first call, the rest by the 493 * recursive call. This allow the shell to be opened halfway reading a 494 * gvimrc file. 495 */ 496 if (!recursive) 497 { 498 ++recursive; 499 500 clip_init(TRUE); 501 502 // If can't initialize, don't try doing the rest 503 if (gui_init_check() == FAIL) 504 { 505 --recursive; 506 clip_init(FALSE); 507 return; 508 } 509 510 /* 511 * Reset 'paste'. It's useful in the terminal, but not in the GUI. It 512 * breaks the Paste toolbar button. 513 */ 514 set_option_value((char_u *)"paste", 0L, NULL, 0); 515 516 // Set t_Co to the number of colors: RGB. 517 set_color_count(256 * 256 * 256); 518 519 /* 520 * Set up system-wide default menus. 521 */ 522 #if defined(SYS_MENU_FILE) && defined(FEAT_MENU) 523 if (vim_strchr(p_go, GO_NOSYSMENU) == NULL) 524 { 525 sys_menu = TRUE; 526 do_source((char_u *)SYS_MENU_FILE, FALSE, DOSO_NONE, NULL); 527 sys_menu = FALSE; 528 } 529 #endif 530 531 /* 532 * Switch on the mouse by default, unless the user changed it already. 533 * This can then be changed in the .gvimrc. 534 */ 535 if (!option_was_set((char_u *)"mouse")) 536 set_string_option_direct((char_u *)"mouse", -1, 537 (char_u *)"a", OPT_FREE, SID_NONE); 538 539 /* 540 * If -U option given, use only the initializations from that file and 541 * nothing else. Skip all initializations for "-U NONE" or "-u NORC". 542 */ 543 if (use_gvimrc != NULL) 544 { 545 if (STRCMP(use_gvimrc, "NONE") != 0 546 && STRCMP(use_gvimrc, "NORC") != 0 547 && do_source(use_gvimrc, FALSE, DOSO_NONE, NULL) != OK) 548 semsg(_("E230: Cannot read from \"%s\""), use_gvimrc); 549 } 550 else 551 { 552 /* 553 * Get system wide defaults for gvim, only when file name defined. 554 */ 555 #ifdef SYS_GVIMRC_FILE 556 do_source((char_u *)SYS_GVIMRC_FILE, FALSE, DOSO_NONE, NULL); 557 #endif 558 559 /* 560 * Try to read GUI initialization commands from the following 561 * places: 562 * - environment variable GVIMINIT 563 * - the user gvimrc file (~/.gvimrc) 564 * - the second user gvimrc file ($VIM/.gvimrc for Dos) 565 * - the third user gvimrc file ($VIM/.gvimrc for Amiga) 566 * The first that exists is used, the rest is ignored. 567 */ 568 if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL 569 && do_source((char_u *)USR_GVIMRC_FILE, TRUE, 570 DOSO_GVIMRC, NULL) == FAIL 571 #ifdef USR_GVIMRC_FILE2 572 && do_source((char_u *)USR_GVIMRC_FILE2, TRUE, 573 DOSO_GVIMRC, NULL) == FAIL 574 #endif 575 #ifdef USR_GVIMRC_FILE3 576 && do_source((char_u *)USR_GVIMRC_FILE3, TRUE, 577 DOSO_GVIMRC, NULL) == FAIL 578 #endif 579 ) 580 { 581 #ifdef USR_GVIMRC_FILE4 582 (void)do_source((char_u *)USR_GVIMRC_FILE4, TRUE, 583 DOSO_GVIMRC, NULL); 584 #endif 585 } 586 587 /* 588 * Read initialization commands from ".gvimrc" in current 589 * directory. This is only done if the 'exrc' option is set. 590 * Because of security reasons we disallow shell and write 591 * commands now, except for unix if the file is owned by the user 592 * or 'secure' option has been reset in environment of global 593 * ".gvimrc". 594 * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE, 595 * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE. 596 */ 597 if (p_exrc) 598 { 599 #ifdef UNIX 600 { 601 stat_T s; 602 603 // if ".gvimrc" file is not owned by user, set 'secure' 604 // mode 605 if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid()) 606 secure = p_secure; 607 } 608 #else 609 secure = p_secure; 610 #endif 611 612 if ( fullpathcmp((char_u *)USR_GVIMRC_FILE, 613 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 614 #ifdef SYS_GVIMRC_FILE 615 && fullpathcmp((char_u *)SYS_GVIMRC_FILE, 616 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 617 #endif 618 #ifdef USR_GVIMRC_FILE2 619 && fullpathcmp((char_u *)USR_GVIMRC_FILE2, 620 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 621 #endif 622 #ifdef USR_GVIMRC_FILE3 623 && fullpathcmp((char_u *)USR_GVIMRC_FILE3, 624 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 625 #endif 626 #ifdef USR_GVIMRC_FILE4 627 && fullpathcmp((char_u *)USR_GVIMRC_FILE4, 628 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 629 #endif 630 ) 631 do_source((char_u *)GVIMRC_FILE, TRUE, DOSO_GVIMRC, NULL); 632 633 if (secure == 2) 634 need_wait_return = TRUE; 635 secure = 0; 636 } 637 } 638 639 if (need_wait_return || msg_didany) 640 wait_return(TRUE); 641 642 --recursive; 643 } 644 645 // If recursive call opened the shell, return here from the first call 646 if (gui.in_use) 647 return; 648 649 /* 650 * Create the GUI shell. 651 */ 652 gui.in_use = TRUE; // Must be set after menus have been set up 653 if (gui_mch_init() == FAIL) 654 goto error; 655 656 // Avoid a delay for an error message that was printed in the terminal 657 // where Vim was started. 658 emsg_on_display = FALSE; 659 msg_scrolled = 0; 660 clear_sb_text(TRUE); 661 need_wait_return = FALSE; 662 msg_didany = FALSE; 663 664 /* 665 * Check validity of any generic resources that may have been loaded. 666 */ 667 if (gui.border_width < 0) 668 gui.border_width = 0; 669 670 /* 671 * Set up the fonts. First use a font specified with "-fn" or "-font". 672 */ 673 if (font_argument != NULL) 674 set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0); 675 if ( 676 #ifdef FEAT_XFONTSET 677 (*p_guifontset == NUL 678 || gui_init_font(p_guifontset, TRUE) == FAIL) && 679 #endif 680 gui_init_font(*p_guifont == NUL ? hl_get_font_name() 681 : p_guifont, FALSE) == FAIL) 682 { 683 emsg(_("E665: Cannot start GUI, no valid font found")); 684 goto error2; 685 } 686 if (gui_get_wide_font() == FAIL) 687 emsg(_("E231: 'guifontwide' invalid")); 688 689 gui.num_cols = Columns; 690 gui.num_rows = Rows; 691 gui_reset_scroll_region(); 692 693 // Create initial scrollbars 694 FOR_ALL_WINDOWS(wp) 695 { 696 gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp); 697 gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp); 698 } 699 gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL); 700 701 #ifdef FEAT_MENU 702 gui_create_initial_menus(root_menu); 703 #endif 704 #ifdef FEAT_SIGN_ICONS 705 sign_gui_started(); 706 #endif 707 708 // Configure the desired menu and scrollbars 709 gui_init_which_components(NULL); 710 711 // All components of the GUI have been created now 712 gui.shell_created = TRUE; 713 714 #ifdef FEAT_GUI_MSWIN 715 // Set the shell size, adjusted for the screen size. For GTK this only 716 // works after the shell has been opened, thus it is further down. 717 // If the window is already maximized (e.g. when --windowid is passed in), 718 // we want to use the system-provided dimensions by passing FALSE to 719 // mustset. Otherwise, we want to initialize with the default rows/columns. 720 if (gui_mch_maximized()) 721 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 722 else 723 gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH); 724 #else 725 # ifndef FEAT_GUI_GTK 726 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 727 # endif 728 #endif 729 #if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 730 // Need to set the size of the menubar after all the menus have been 731 // created. 732 gui_mch_compute_menu_height((Widget)0); 733 #endif 734 735 /* 736 * Actually open the GUI shell. 737 */ 738 if (gui_mch_open() != FAIL) 739 { 740 #ifdef FEAT_TITLE 741 maketitle(); 742 resettitle(); 743 #endif 744 init_gui_options(); 745 #ifdef FEAT_ARABIC 746 // Our GUI can't do bidi. 747 p_tbidi = FALSE; 748 #endif 749 #if defined(FEAT_GUI_GTK) 750 // Give GTK+ a chance to put all widget's into place. 751 gui_mch_update(); 752 753 # ifdef FEAT_MENU 754 // If there is no 'm' in 'guioptions' we need to remove the menu now. 755 // It was still there to make F10 work. 756 if (vim_strchr(p_go, GO_MENUS) == NULL) 757 { 758 --gui.starting; 759 gui_mch_enable_menu(FALSE); 760 ++gui.starting; 761 gui_mch_update(); 762 } 763 # endif 764 765 // Now make sure the shell fits on the screen. 766 if (gui_mch_maximized()) 767 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 768 else 769 gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH); 770 #endif 771 // When 'lines' was set while starting up the topframe may have to be 772 // resized. 773 win_new_shellsize(); 774 775 #ifdef FEAT_BEVAL_GUI 776 // Always create the Balloon Evaluation area, but disable it when 777 // 'ballooneval' is off. 778 if (balloonEval != NULL) 779 { 780 # ifdef FEAT_VARTABS 781 vim_free(balloonEval->vts); 782 # endif 783 vim_free(balloonEval); 784 } 785 balloonEvalForTerm = FALSE; 786 # ifdef FEAT_GUI_GTK 787 balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL, 788 &general_beval_cb, NULL); 789 # else 790 # if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) 791 { 792 extern Widget textArea; 793 balloonEval = gui_mch_create_beval_area(textArea, NULL, 794 &general_beval_cb, NULL); 795 } 796 # else 797 # ifdef FEAT_GUI_MSWIN 798 balloonEval = gui_mch_create_beval_area(NULL, NULL, 799 &general_beval_cb, NULL); 800 # endif 801 # endif 802 # endif 803 if (!p_beval) 804 gui_mch_disable_beval_area(balloonEval); 805 #endif 806 807 #ifndef FEAT_GUI_MSWIN 808 // In the GUI modifiers are prepended to keys. 809 // Don't do this for MS-Windows yet, it sends CTRL-K without the 810 // modifier. 811 seenModifyOtherKeys = TRUE; 812 #endif 813 814 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) 815 if (!im_xim_isvalid_imactivate()) 816 emsg(_("E599: Value of 'imactivatekey' is invalid")); 817 #endif 818 // When 'cmdheight' was set during startup it may not have taken 819 // effect yet. 820 if (p_ch != 1L) 821 command_height(); 822 823 return; 824 } 825 826 error2: 827 #ifdef FEAT_GUI_X11 828 // undo gui_mch_init() 829 gui_mch_uninit(); 830 #endif 831 832 error: 833 gui.in_use = FALSE; 834 clip_init(FALSE); 835 } 836 837 838 void 839 gui_exit(int rc) 840 { 841 // don't free the fonts, it leads to a BUS error 842 // [email protected] Jul 99 843 free_highlight_fonts(); 844 gui.in_use = FALSE; 845 gui_mch_exit(rc); 846 } 847 848 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \ 849 || defined(FEAT_GUI_PHOTON) || defined(PROTO) 850 # define NEED_GUI_UPDATE_SCREEN 1 851 /* 852 * Called when the GUI shell is closed by the user. If there are no changed 853 * files Vim exits, otherwise there will be a dialog to ask the user what to 854 * do. 855 * When this function returns, Vim should NOT exit! 856 */ 857 void 858 gui_shell_closed(void) 859 { 860 cmdmod_T save_cmdmod = cmdmod; 861 862 if (before_quit_autocmds(curwin, TRUE, FALSE)) 863 return; 864 865 // Only exit when there are no changed files 866 exiting = TRUE; 867 # ifdef FEAT_BROWSE 868 cmdmod.cmod_flags |= CMOD_BROWSE; 869 # endif 870 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 871 cmdmod.cmod_flags |= CMOD_CONFIRM; 872 # endif 873 // If there are changed buffers, present the user with a dialog if 874 // possible, otherwise give an error message. 875 if (!check_changed_any(FALSE, FALSE)) 876 getout(0); 877 878 exiting = FALSE; 879 cmdmod = save_cmdmod; 880 gui_update_screen(); // redraw, window may show changed buffer 881 } 882 #endif 883 884 /* 885 * Set the font. "font_list" is a comma separated list of font names. The 886 * first font name that works is used. If none is found, use the default 887 * font. 888 * If "fontset" is TRUE, the "font_list" is used as one name for the fontset. 889 * Return OK when able to set the font. When it failed FAIL is returned and 890 * the fonts are unchanged. 891 */ 892 int 893 gui_init_font(char_u *font_list, int fontset UNUSED) 894 { 895 #define FONTLEN 320 896 char_u font_name[FONTLEN]; 897 int font_list_empty = FALSE; 898 int ret = FAIL; 899 900 if (!gui.in_use) 901 return FAIL; 902 903 font_name[0] = NUL; 904 if (*font_list == NUL) 905 font_list_empty = TRUE; 906 else 907 { 908 #ifdef FEAT_XFONTSET 909 // When using a fontset, the whole list of fonts is one name. 910 if (fontset) 911 ret = gui_mch_init_font(font_list, TRUE); 912 else 913 #endif 914 while (*font_list != NUL) 915 { 916 // Isolate one comma separated font name. 917 (void)copy_option_part(&font_list, font_name, FONTLEN, ","); 918 919 // Careful!!! The Win32 version of gui_mch_init_font(), when 920 // called with "*" will change p_guifont to the selected font 921 // name, which frees the old value. This makes font_list 922 // invalid. Thus when OK is returned here, font_list must no 923 // longer be used! 924 if (gui_mch_init_font(font_name, FALSE) == OK) 925 { 926 #if !defined(FEAT_GUI_GTK) 927 // If it's a Unicode font, try setting 'guifontwide' to a 928 // similar double-width font. 929 if ((p_guifontwide == NULL || *p_guifontwide == NUL) 930 && strstr((char *)font_name, "10646") != NULL) 931 set_guifontwide(font_name); 932 #endif 933 ret = OK; 934 break; 935 } 936 } 937 } 938 939 if (ret != OK 940 && STRCMP(font_list, "*") != 0 941 && (font_list_empty || gui.norm_font == NOFONT)) 942 { 943 /* 944 * Couldn't load any font in 'font_list', keep the current font if 945 * there is one. If 'font_list' is empty, or if there is no current 946 * font, tell gui_mch_init_font() to try to find a font we can load. 947 */ 948 ret = gui_mch_init_font(NULL, FALSE); 949 } 950 951 if (ret == OK) 952 { 953 #ifndef FEAT_GUI_GTK 954 // Set normal font as current font 955 # ifdef FEAT_XFONTSET 956 if (gui.fontset != NOFONTSET) 957 gui_mch_set_fontset(gui.fontset); 958 else 959 # endif 960 gui_mch_set_font(gui.norm_font); 961 #endif 962 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 963 } 964 965 return ret; 966 } 967 968 #ifndef FEAT_GUI_GTK 969 /* 970 * Try setting 'guifontwide' to a font twice as wide as "name". 971 */ 972 static void 973 set_guifontwide(char_u *name) 974 { 975 int i = 0; 976 char_u wide_name[FONTLEN + 10]; // room for 2 * width and '*' 977 char_u *wp = NULL; 978 char_u *p; 979 GuiFont font; 980 981 wp = wide_name; 982 for (p = name; *p != NUL; ++p) 983 { 984 *wp++ = *p; 985 if (*p == '-') 986 { 987 ++i; 988 if (i == 6) // font type: change "--" to "-*-" 989 { 990 if (p[1] == '-') 991 *wp++ = '*'; 992 } 993 else if (i == 12) // found the width 994 { 995 ++p; 996 i = getdigits(&p); 997 if (i != 0) 998 { 999 // Double the width specification. 1000 sprintf((char *)wp, "%d%s", i * 2, p); 1001 font = gui_mch_get_font(wide_name, FALSE); 1002 if (font != NOFONT) 1003 { 1004 gui_mch_free_font(gui.wide_font); 1005 gui.wide_font = font; 1006 set_string_option_direct((char_u *)"gfw", -1, 1007 wide_name, OPT_FREE, 0); 1008 } 1009 } 1010 break; 1011 } 1012 } 1013 } 1014 } 1015 #endif // !FEAT_GUI_GTK 1016 1017 /* 1018 * Get the font for 'guifontwide'. 1019 * Return FAIL for an invalid font name. 1020 */ 1021 int 1022 gui_get_wide_font(void) 1023 { 1024 GuiFont font = NOFONT; 1025 char_u font_name[FONTLEN]; 1026 char_u *p; 1027 1028 if (!gui.in_use) // Can't allocate font yet, assume it's OK. 1029 return OK; // Will give an error message later. 1030 1031 if (p_guifontwide != NULL && *p_guifontwide != NUL) 1032 { 1033 for (p = p_guifontwide; *p != NUL; ) 1034 { 1035 // Isolate one comma separated font name. 1036 (void)copy_option_part(&p, font_name, FONTLEN, ","); 1037 font = gui_mch_get_font(font_name, FALSE); 1038 if (font != NOFONT) 1039 break; 1040 } 1041 if (font == NOFONT) 1042 return FAIL; 1043 } 1044 1045 gui_mch_free_font(gui.wide_font); 1046 #ifdef FEAT_GUI_GTK 1047 // Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. 1048 if (font != NOFONT && gui.norm_font != NOFONT 1049 && pango_font_description_equal(font, gui.norm_font)) 1050 { 1051 gui.wide_font = NOFONT; 1052 gui_mch_free_font(font); 1053 } 1054 else 1055 #endif 1056 gui.wide_font = font; 1057 #ifdef FEAT_GUI_MSWIN 1058 gui_mch_wide_font_changed(); 1059 #else 1060 /* 1061 * TODO: setup wide_bold_font, wide_ital_font and wide_boldital_font to 1062 * support those fonts for 'guifontwide'. 1063 */ 1064 #endif 1065 return OK; 1066 } 1067 1068 static void 1069 gui_set_cursor(int row, int col) 1070 { 1071 gui.row = row; 1072 gui.col = col; 1073 } 1074 1075 /* 1076 * gui_check_pos - check if the cursor is on the screen. 1077 */ 1078 static void 1079 gui_check_pos(void) 1080 { 1081 if (gui.row >= screen_Rows) 1082 gui.row = screen_Rows - 1; 1083 if (gui.col >= screen_Columns) 1084 gui.col = screen_Columns - 1; 1085 if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns) 1086 gui.cursor_is_valid = FALSE; 1087 } 1088 1089 /* 1090 * Redraw the cursor if necessary or when forced. 1091 * Careful: The contents of ScreenLines[] must match what is on the screen, 1092 * otherwise this goes wrong. May need to call out_flush() first. 1093 */ 1094 void 1095 gui_update_cursor( 1096 int force, // when TRUE, update even when not moved 1097 int clear_selection) // clear selection under cursor 1098 { 1099 int cur_width = 0; 1100 int cur_height = 0; 1101 int old_hl_mask; 1102 cursorentry_T *shape; 1103 int id; 1104 #ifdef FEAT_TERMINAL 1105 guicolor_T shape_fg = INVALCOLOR; 1106 guicolor_T shape_bg = INVALCOLOR; 1107 #endif 1108 guicolor_T cfg, cbg, cc; // cursor fore-/background color 1109 int cattr; // cursor attributes 1110 int attr; 1111 attrentry_T *aep = NULL; 1112 1113 // Don't update the cursor when halfway busy scrolling or the screen size 1114 // doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then. 1115 if (!can_update_cursor || screen_Columns != gui.num_cols 1116 || screen_Rows != gui.num_rows) 1117 return; 1118 1119 gui_check_pos(); 1120 if (!gui.cursor_is_valid || force 1121 || gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1122 { 1123 gui_undraw_cursor(); 1124 1125 // If a cursor-less sleep is ongoing, leave the cursor invisible 1126 if (cursor_is_sleeping()) 1127 return; 1128 1129 if (gui.row < 0) 1130 return; 1131 #ifdef HAVE_INPUT_METHOD 1132 if (gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1133 im_set_position(gui.row, gui.col); 1134 #endif 1135 gui.cursor_row = gui.row; 1136 gui.cursor_col = gui.col; 1137 1138 // Only write to the screen after ScreenLines[] has been initialized 1139 if (!screen_cleared || ScreenLines == NULL) 1140 return; 1141 1142 // Clear the selection if we are about to write over it 1143 if (clear_selection) 1144 clip_may_clear_selection(gui.row, gui.row); 1145 // Check that the cursor is inside the shell (resizing may have made 1146 // it invalid) 1147 if (gui.row >= screen_Rows || gui.col >= screen_Columns) 1148 return; 1149 1150 gui.cursor_is_valid = TRUE; 1151 1152 /* 1153 * How the cursor is drawn depends on the current mode. 1154 * When in a terminal window use the shape/color specified there. 1155 */ 1156 #ifdef FEAT_TERMINAL 1157 if (terminal_is_active()) 1158 shape = term_get_cursor_shape(&shape_fg, &shape_bg); 1159 else 1160 #endif 1161 shape = &shape_table[get_shape_idx(FALSE)]; 1162 if (State & LANGMAP) 1163 id = shape->id_lm; 1164 else 1165 id = shape->id; 1166 1167 // get the colors and attributes for the cursor. Default is inverted 1168 cfg = INVALCOLOR; 1169 cbg = INVALCOLOR; 1170 cattr = HL_INVERSE; 1171 gui_mch_set_blinking(shape->blinkwait, 1172 shape->blinkon, 1173 shape->blinkoff); 1174 if (shape->blinkwait == 0 || shape->blinkon == 0 1175 || shape->blinkoff == 0) 1176 gui_mch_stop_blink(FALSE); 1177 #ifdef FEAT_TERMINAL 1178 if (shape_bg != INVALCOLOR) 1179 { 1180 cattr = 0; 1181 cfg = shape_fg; 1182 cbg = shape_bg; 1183 } 1184 else 1185 #endif 1186 if (id > 0) 1187 { 1188 cattr = syn_id2colors(id, &cfg, &cbg); 1189 #if defined(HAVE_INPUT_METHOD) 1190 { 1191 static int iid; 1192 guicolor_T fg, bg; 1193 1194 if ( 1195 # if defined(FEAT_GUI_GTK) && defined(FEAT_XIM) 1196 preedit_get_status() 1197 # else 1198 im_get_status() 1199 # endif 1200 ) 1201 { 1202 iid = syn_name2id((char_u *)"CursorIM"); 1203 if (iid > 0) 1204 { 1205 syn_id2colors(iid, &fg, &bg); 1206 if (bg != INVALCOLOR) 1207 cbg = bg; 1208 if (fg != INVALCOLOR) 1209 cfg = fg; 1210 } 1211 } 1212 } 1213 #endif 1214 } 1215 1216 /* 1217 * Get the attributes for the character under the cursor. 1218 * When no cursor color was given, use the character color. 1219 */ 1220 attr = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1221 if (attr > HL_ALL) 1222 aep = syn_gui_attr2entry(attr); 1223 if (aep != NULL) 1224 { 1225 attr = aep->ae_attr; 1226 if (cfg == INVALCOLOR) 1227 cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1228 : aep->ae_u.gui.fg_color); 1229 if (cbg == INVALCOLOR) 1230 cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1231 : aep->ae_u.gui.bg_color); 1232 } 1233 if (cfg == INVALCOLOR) 1234 cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel; 1235 if (cbg == INVALCOLOR) 1236 cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel; 1237 1238 #ifdef FEAT_XIM 1239 if (aep != NULL) 1240 { 1241 xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1242 : aep->ae_u.gui.bg_color); 1243 xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1244 : aep->ae_u.gui.fg_color); 1245 if (xim_bg_color == INVALCOLOR) 1246 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1247 : gui.back_pixel; 1248 if (xim_fg_color == INVALCOLOR) 1249 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1250 : gui.norm_pixel; 1251 } 1252 else 1253 { 1254 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1255 : gui.back_pixel; 1256 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1257 : gui.norm_pixel; 1258 } 1259 #endif 1260 1261 attr &= ~HL_INVERSE; 1262 if (cattr & HL_INVERSE) 1263 { 1264 cc = cbg; 1265 cbg = cfg; 1266 cfg = cc; 1267 } 1268 cattr &= ~HL_INVERSE; 1269 1270 /* 1271 * When we don't have window focus, draw a hollow cursor. 1272 */ 1273 if (!gui.in_focus) 1274 { 1275 gui_mch_draw_hollow_cursor(cbg); 1276 return; 1277 } 1278 1279 old_hl_mask = gui.highlight_mask; 1280 if (shape->shape == SHAPE_BLOCK) 1281 { 1282 /* 1283 * Draw the text character with the cursor colors. Use the 1284 * character attributes plus the cursor attributes. 1285 */ 1286 gui.highlight_mask = (cattr | attr); 1287 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1288 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0); 1289 } 1290 else 1291 { 1292 #if defined(FEAT_RIGHTLEFT) 1293 int col_off = FALSE; 1294 #endif 1295 /* 1296 * First draw the partial cursor, then overwrite with the text 1297 * character, using a transparent background. 1298 */ 1299 if (shape->shape == SHAPE_VER) 1300 { 1301 cur_height = gui.char_height; 1302 cur_width = (gui.char_width * shape->percentage + 99) / 100; 1303 } 1304 else 1305 { 1306 cur_height = (gui.char_height * shape->percentage + 99) / 100; 1307 cur_width = gui.char_width; 1308 } 1309 if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col, 1310 LineOffset[gui.row] + screen_Columns) > 1) 1311 { 1312 // Double wide character. 1313 if (shape->shape != SHAPE_VER) 1314 cur_width += gui.char_width; 1315 #ifdef FEAT_RIGHTLEFT 1316 if (CURSOR_BAR_RIGHT) 1317 { 1318 // gui.col points to the left halve of the character but 1319 // the vertical line needs to be on the right halve. 1320 // A double-wide horizontal line is also drawn from the 1321 // right halve in gui_mch_draw_part_cursor(). 1322 col_off = TRUE; 1323 ++gui.col; 1324 } 1325 #endif 1326 } 1327 gui_mch_draw_part_cursor(cur_width, cur_height, cbg); 1328 #if defined(FEAT_RIGHTLEFT) 1329 if (col_off) 1330 --gui.col; 1331 #endif 1332 1333 #ifndef FEAT_GUI_MSWIN // doesn't seem to work for MSWindows 1334 gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1335 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1336 GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR, 1337 (guicolor_T)0, (guicolor_T)0, 0); 1338 #endif 1339 } 1340 gui.highlight_mask = old_hl_mask; 1341 } 1342 } 1343 1344 #if defined(FEAT_MENU) || defined(PROTO) 1345 void 1346 gui_position_menu(void) 1347 { 1348 # if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) 1349 if (gui.menu_is_active && gui.in_use) 1350 gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height); 1351 # endif 1352 } 1353 #endif 1354 1355 /* 1356 * Position the various GUI components (text area, menu). The vertical 1357 * scrollbars are NOT handled here. See gui_update_scrollbars(). 1358 */ 1359 static void 1360 gui_position_components(int total_width UNUSED) 1361 { 1362 int text_area_x; 1363 int text_area_y; 1364 int text_area_width; 1365 int text_area_height; 1366 1367 // avoid that moving components around generates events 1368 ++hold_gui_events; 1369 1370 text_area_x = 0; 1371 if (gui.which_scrollbars[SBAR_LEFT]) 1372 text_area_x += gui.scrollbar_width; 1373 1374 text_area_y = 0; 1375 #if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON)) 1376 gui.menu_width = total_width; 1377 if (gui.menu_is_active) 1378 text_area_y += gui.menu_height; 1379 #endif 1380 #if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN) 1381 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1382 text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 1383 #endif 1384 1385 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1386 || defined(FEAT_GUI_MOTIF)) 1387 if (gui_has_tabline()) 1388 text_area_y += gui.tabline_height; 1389 #endif 1390 1391 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) \ 1392 || defined(FEAT_GUI_HAIKU)) 1393 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1394 { 1395 # if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_HAIKU) 1396 gui_mch_set_toolbar_pos(0, text_area_y, 1397 gui.menu_width, gui.toolbar_height); 1398 # endif 1399 text_area_y += gui.toolbar_height; 1400 } 1401 #endif 1402 1403 # if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_HAIKU) 1404 gui_mch_set_tabline_pos(0, text_area_y, 1405 gui.menu_width, gui.tabline_height); 1406 if (gui_has_tabline()) 1407 text_area_y += gui.tabline_height; 1408 #endif 1409 1410 text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2; 1411 text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2; 1412 1413 gui_mch_set_text_area_pos(text_area_x, 1414 text_area_y, 1415 text_area_width, 1416 text_area_height 1417 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1418 + xim_get_status_area_height() 1419 #endif 1420 ); 1421 #ifdef FEAT_MENU 1422 gui_position_menu(); 1423 #endif 1424 if (gui.which_scrollbars[SBAR_BOTTOM]) 1425 gui_mch_set_scrollbar_pos(&gui.bottom_sbar, 1426 text_area_x, 1427 text_area_y + text_area_height 1428 + gui_mch_get_scrollbar_ypadding(), 1429 text_area_width, 1430 gui.scrollbar_height); 1431 gui.left_sbar_x = 0; 1432 gui.right_sbar_x = text_area_x + text_area_width 1433 + gui_mch_get_scrollbar_xpadding(); 1434 1435 --hold_gui_events; 1436 } 1437 1438 /* 1439 * Get the width of the widgets and decorations to the side of the text area. 1440 */ 1441 int 1442 gui_get_base_width(void) 1443 { 1444 int base_width; 1445 1446 base_width = 2 * gui.border_offset; 1447 if (gui.which_scrollbars[SBAR_LEFT]) 1448 base_width += gui.scrollbar_width; 1449 if (gui.which_scrollbars[SBAR_RIGHT]) 1450 base_width += gui.scrollbar_width; 1451 return base_width; 1452 } 1453 1454 /* 1455 * Get the height of the widgets and decorations above and below the text area. 1456 */ 1457 int 1458 gui_get_base_height(void) 1459 { 1460 int base_height; 1461 1462 base_height = 2 * gui.border_offset; 1463 if (gui.which_scrollbars[SBAR_BOTTOM]) 1464 base_height += gui.scrollbar_height; 1465 #ifdef FEAT_GUI_GTK 1466 // We can't take the sizes properly into account until anything is 1467 // realized. Therefore we recalculate all the values here just before 1468 // setting the size. (--mdcki) 1469 #else 1470 # ifdef FEAT_MENU 1471 if (gui.menu_is_active) 1472 base_height += gui.menu_height; 1473 # endif 1474 # ifdef FEAT_TOOLBAR 1475 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1476 # if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR) 1477 base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT); 1478 # else 1479 base_height += gui.toolbar_height; 1480 # endif 1481 # endif 1482 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1483 || defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_HAIKU)) 1484 if (gui_has_tabline()) 1485 base_height += gui.tabline_height; 1486 # endif 1487 # ifdef FEAT_FOOTER 1488 if (vim_strchr(p_go, GO_FOOTER) != NULL) 1489 base_height += gui.footer_height; 1490 # endif 1491 # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 1492 base_height += gui_mch_text_area_extra_height(); 1493 # endif 1494 #endif 1495 return base_height; 1496 } 1497 1498 /* 1499 * Should be called after the GUI shell has been resized. Its arguments are 1500 * the new width and height of the shell in pixels. 1501 */ 1502 void 1503 gui_resize_shell(int pixel_width, int pixel_height) 1504 { 1505 static int busy = FALSE; 1506 1507 if (!gui.shell_created) // ignore when still initializing 1508 return; 1509 1510 /* 1511 * Can't resize the screen while it is being redrawn. Remember the new 1512 * size and handle it later. 1513 */ 1514 if (updating_screen || busy) 1515 { 1516 new_pixel_width = pixel_width; 1517 new_pixel_height = pixel_height; 1518 return; 1519 } 1520 1521 again: 1522 new_pixel_width = 0; 1523 new_pixel_height = 0; 1524 busy = TRUE; 1525 1526 #ifdef FEAT_GUI_HAIKU 1527 vim_lock_screen(); 1528 #endif 1529 1530 // Flush pending output before redrawing 1531 out_flush(); 1532 1533 gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width; 1534 gui.num_rows = (pixel_height - gui_get_base_height()) / gui.char_height; 1535 1536 gui_position_components(pixel_width); 1537 gui_reset_scroll_region(); 1538 1539 /* 1540 * At the "more" and ":confirm" prompt there is no redraw, put the cursor 1541 * at the last line here (why does it have to be one row too low?). 1542 */ 1543 if (State == ASKMORE || State == CONFIRM) 1544 gui.row = gui.num_rows; 1545 1546 // Only comparing Rows and Columns may be sufficient, but let's stay on 1547 // the safe side. 1548 if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns 1549 || gui.num_rows != Rows || gui.num_cols != Columns) 1550 shell_resized(); 1551 1552 #ifdef FEAT_GUI_HAIKU 1553 vim_unlock_screen(); 1554 #endif 1555 1556 gui_update_scrollbars(TRUE); 1557 gui_update_cursor(FALSE, TRUE); 1558 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1559 xim_set_status_area(); 1560 #endif 1561 1562 busy = FALSE; 1563 1564 // We may have been called again while redrawing the screen. 1565 // Need to do it all again with the latest size then. But only if the size 1566 // actually changed. 1567 if (new_pixel_height) 1568 { 1569 if (pixel_width == new_pixel_width && pixel_height == new_pixel_height) 1570 { 1571 new_pixel_width = 0; 1572 new_pixel_height = 0; 1573 } 1574 else 1575 { 1576 pixel_width = new_pixel_width; 1577 pixel_height = new_pixel_height; 1578 goto again; 1579 } 1580 } 1581 } 1582 1583 /* 1584 * Check if gui_resize_shell() must be called. 1585 */ 1586 void 1587 gui_may_resize_shell(void) 1588 { 1589 if (new_pixel_height) 1590 // careful: gui_resize_shell() may postpone the resize again if we 1591 // were called indirectly by it 1592 gui_resize_shell(new_pixel_width, new_pixel_height); 1593 } 1594 1595 int 1596 gui_get_shellsize(void) 1597 { 1598 Rows = gui.num_rows; 1599 Columns = gui.num_cols; 1600 return OK; 1601 } 1602 1603 /* 1604 * Set the size of the Vim shell according to Rows and Columns. 1605 * If "fit_to_display" is TRUE then the size may be reduced to fit the window 1606 * on the screen. 1607 * When "mustset" is TRUE the size was set by the user. When FALSE a UI 1608 * component was added or removed (e.g., a scrollbar). 1609 */ 1610 void 1611 gui_set_shellsize( 1612 int mustset UNUSED, 1613 int fit_to_display, 1614 int direction) // RESIZE_HOR, RESIZE_VER 1615 { 1616 int base_width; 1617 int base_height; 1618 int width; 1619 int height; 1620 int min_width; 1621 int min_height; 1622 int screen_w; 1623 int screen_h; 1624 #ifdef FEAT_GUI_GTK 1625 int un_maximize = mustset; 1626 int did_adjust = 0; 1627 #endif 1628 int x = -1, y = -1; 1629 1630 if (!gui.shell_created) 1631 return; 1632 1633 #if defined(MSWIN) || defined(FEAT_GUI_GTK) 1634 // If not setting to a user specified size and maximized, calculate the 1635 // number of characters that fit in the maximized window. 1636 if (!mustset && (vim_strchr(p_go, GO_KEEPWINSIZE) != NULL 1637 || gui_mch_maximized())) 1638 { 1639 gui_mch_newfont(); 1640 return; 1641 } 1642 #endif 1643 1644 base_width = gui_get_base_width(); 1645 base_height = gui_get_base_height(); 1646 if (fit_to_display) 1647 // Remember the original window position. 1648 (void)gui_mch_get_winpos(&x, &y); 1649 1650 width = Columns * gui.char_width + base_width; 1651 height = Rows * gui.char_height + base_height; 1652 1653 if (fit_to_display) 1654 { 1655 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1656 if ((direction & RESIZE_HOR) && width > screen_w) 1657 { 1658 Columns = (screen_w - base_width) / gui.char_width; 1659 if (Columns < MIN_COLUMNS) 1660 Columns = MIN_COLUMNS; 1661 width = Columns * gui.char_width + base_width; 1662 #ifdef FEAT_GUI_GTK 1663 ++did_adjust; 1664 #endif 1665 } 1666 if ((direction & RESIZE_VERT) && height > screen_h) 1667 { 1668 Rows = (screen_h - base_height) / gui.char_height; 1669 check_shellsize(); 1670 height = Rows * gui.char_height + base_height; 1671 #ifdef FEAT_GUI_GTK 1672 ++did_adjust; 1673 #endif 1674 } 1675 #ifdef FEAT_GUI_GTK 1676 if (did_adjust == 2 || (width + gui.char_width >= screen_w 1677 && height + gui.char_height >= screen_h)) 1678 // don't unmaximize if at maximum size 1679 un_maximize = FALSE; 1680 #endif 1681 } 1682 limit_screen_size(); 1683 gui.num_cols = Columns; 1684 gui.num_rows = Rows; 1685 1686 min_width = base_width + MIN_COLUMNS * gui.char_width; 1687 min_height = base_height + MIN_LINES * gui.char_height; 1688 min_height += tabline_height() * gui.char_height; 1689 1690 #ifdef FEAT_GUI_GTK 1691 if (un_maximize) 1692 { 1693 // If the window size is smaller than the screen unmaximize the 1694 // window, otherwise resizing won't work. 1695 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1696 if ((width + gui.char_width < screen_w 1697 || height + gui.char_height * 2 < screen_h) 1698 && gui_mch_maximized()) 1699 gui_mch_unmaximize(); 1700 } 1701 #endif 1702 1703 gui_mch_set_shellsize(width, height, min_width, min_height, 1704 base_width, base_height, direction); 1705 1706 if (fit_to_display && x >= 0 && y >= 0) 1707 { 1708 // Some window managers put the Vim window left of/above the screen. 1709 // Only change the position if it wasn't already negative before 1710 // (happens on MS-Windows with a secondary monitor). 1711 gui_mch_update(); 1712 if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0)) 1713 gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y); 1714 } 1715 1716 gui_position_components(width); 1717 gui_update_scrollbars(TRUE); 1718 gui_reset_scroll_region(); 1719 } 1720 1721 /* 1722 * Called when Rows and/or Columns has changed. 1723 */ 1724 void 1725 gui_new_shellsize(void) 1726 { 1727 gui_reset_scroll_region(); 1728 } 1729 1730 /* 1731 * Make scroll region cover whole screen. 1732 */ 1733 static void 1734 gui_reset_scroll_region(void) 1735 { 1736 gui.scroll_region_top = 0; 1737 gui.scroll_region_bot = gui.num_rows - 1; 1738 gui.scroll_region_left = 0; 1739 gui.scroll_region_right = gui.num_cols - 1; 1740 } 1741 1742 static void 1743 gui_start_highlight(int mask) 1744 { 1745 if (mask > HL_ALL) // highlight code 1746 gui.highlight_mask = mask; 1747 else // mask 1748 gui.highlight_mask |= mask; 1749 } 1750 1751 void 1752 gui_stop_highlight(int mask) 1753 { 1754 if (mask > HL_ALL) // highlight code 1755 gui.highlight_mask = HL_NORMAL; 1756 else // mask 1757 gui.highlight_mask &= ~mask; 1758 } 1759 1760 /* 1761 * Clear a rectangular region of the screen from text pos (row1, col1) to 1762 * (row2, col2) inclusive. 1763 */ 1764 void 1765 gui_clear_block( 1766 int row1, 1767 int col1, 1768 int row2, 1769 int col2) 1770 { 1771 // Clear the selection if we are about to write over it 1772 clip_may_clear_selection(row1, row2); 1773 1774 gui_mch_clear_block(row1, col1, row2, col2); 1775 1776 // Invalidate cursor if it was in this block 1777 if ( gui.cursor_row >= row1 && gui.cursor_row <= row2 1778 && gui.cursor_col >= col1 && gui.cursor_col <= col2) 1779 gui.cursor_is_valid = FALSE; 1780 } 1781 1782 /* 1783 * Write code to update the cursor later. This avoids the need to flush the 1784 * output buffer before calling gui_update_cursor(). 1785 */ 1786 void 1787 gui_update_cursor_later(void) 1788 { 1789 OUT_STR(IF_EB("\033|s", ESC_STR "|s")); 1790 } 1791 1792 void 1793 gui_write( 1794 char_u *s, 1795 int len) 1796 { 1797 char_u *p; 1798 int arg1 = 0, arg2 = 0; 1799 int force_cursor = FALSE; // force cursor update 1800 int force_scrollbar = FALSE; 1801 static win_T *old_curwin = NULL; 1802 1803 // #define DEBUG_GUI_WRITE 1804 #ifdef DEBUG_GUI_WRITE 1805 { 1806 int i; 1807 char_u *str; 1808 1809 printf("gui_write(%d):\n ", len); 1810 for (i = 0; i < len; i++) 1811 if (s[i] == ESC) 1812 { 1813 if (i != 0) 1814 printf("\n "); 1815 printf("<ESC>"); 1816 } 1817 else 1818 { 1819 str = transchar_byte(s[i]); 1820 if (str[0] && str[1]) 1821 printf("<%s>", (char *)str); 1822 else 1823 printf("%s", (char *)str); 1824 } 1825 printf("\n"); 1826 } 1827 #endif 1828 while (len) 1829 { 1830 if (s[0] == ESC && s[1] == '|') 1831 { 1832 p = s + 2; 1833 if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(*(p + 1)))) 1834 { 1835 arg1 = getdigits(&p); 1836 if (p > s + len) 1837 break; 1838 if (*p == ';') 1839 { 1840 ++p; 1841 arg2 = getdigits(&p); 1842 if (p > s + len) 1843 break; 1844 } 1845 } 1846 switch (*p) 1847 { 1848 case 'C': // Clear screen 1849 clip_scroll_selection(9999); 1850 gui_mch_clear_all(); 1851 gui.cursor_is_valid = FALSE; 1852 force_scrollbar = TRUE; 1853 break; 1854 case 'M': // Move cursor 1855 gui_set_cursor(arg1, arg2); 1856 break; 1857 case 's': // force cursor (shape) update 1858 force_cursor = TRUE; 1859 break; 1860 case 'R': // Set scroll region 1861 if (arg1 < arg2) 1862 { 1863 gui.scroll_region_top = arg1; 1864 gui.scroll_region_bot = arg2; 1865 } 1866 else 1867 { 1868 gui.scroll_region_top = arg2; 1869 gui.scroll_region_bot = arg1; 1870 } 1871 break; 1872 case 'V': // Set vertical scroll region 1873 if (arg1 < arg2) 1874 { 1875 gui.scroll_region_left = arg1; 1876 gui.scroll_region_right = arg2; 1877 } 1878 else 1879 { 1880 gui.scroll_region_left = arg2; 1881 gui.scroll_region_right = arg1; 1882 } 1883 break; 1884 case 'd': // Delete line 1885 gui_delete_lines(gui.row, 1); 1886 break; 1887 case 'D': // Delete lines 1888 gui_delete_lines(gui.row, arg1); 1889 break; 1890 case 'i': // Insert line 1891 gui_insert_lines(gui.row, 1); 1892 break; 1893 case 'I': // Insert lines 1894 gui_insert_lines(gui.row, arg1); 1895 break; 1896 case '$': // Clear to end-of-line 1897 gui_clear_block(gui.row, gui.col, gui.row, 1898 (int)Columns - 1); 1899 break; 1900 case 'h': // Turn on highlighting 1901 gui_start_highlight(arg1); 1902 break; 1903 case 'H': // Turn off highlighting 1904 gui_stop_highlight(arg1); 1905 break; 1906 case 'f': // flash the window (visual bell) 1907 gui_mch_flash(arg1 == 0 ? 20 : arg1); 1908 break; 1909 default: 1910 p = s + 1; // Skip the ESC 1911 break; 1912 } 1913 len -= (int)(++p - s); 1914 s = p; 1915 } 1916 else if ( 1917 #ifdef EBCDIC 1918 CtrlChar(s[0]) != 0 // Ctrl character 1919 #else 1920 s[0] < 0x20 // Ctrl character 1921 #endif 1922 #ifdef FEAT_SIGN_ICONS 1923 && s[0] != SIGN_BYTE 1924 # ifdef FEAT_NETBEANS_INTG 1925 && s[0] != MULTISIGN_BYTE 1926 # endif 1927 #endif 1928 ) 1929 { 1930 if (s[0] == '\n') // NL 1931 { 1932 gui.col = 0; 1933 if (gui.row < gui.scroll_region_bot) 1934 gui.row++; 1935 else 1936 gui_delete_lines(gui.scroll_region_top, 1); 1937 } 1938 else if (s[0] == '\r') // CR 1939 { 1940 gui.col = 0; 1941 } 1942 else if (s[0] == '\b') // Backspace 1943 { 1944 if (gui.col) 1945 --gui.col; 1946 } 1947 else if (s[0] == Ctrl_L) // cursor-right 1948 { 1949 ++gui.col; 1950 } 1951 else if (s[0] == Ctrl_G) // Beep 1952 { 1953 gui_mch_beep(); 1954 } 1955 // Other Ctrl character: shouldn't happen! 1956 1957 --len; // Skip this char 1958 ++s; 1959 } 1960 else 1961 { 1962 p = s; 1963 while (len > 0 && ( 1964 #ifdef EBCDIC 1965 CtrlChar(*p) == 0 1966 #else 1967 *p >= 0x20 1968 #endif 1969 #ifdef FEAT_SIGN_ICONS 1970 || *p == SIGN_BYTE 1971 # ifdef FEAT_NETBEANS_INTG 1972 || *p == MULTISIGN_BYTE 1973 # endif 1974 #endif 1975 )) 1976 { 1977 len--; 1978 p++; 1979 } 1980 gui_outstr(s, (int)(p - s)); 1981 s = p; 1982 } 1983 } 1984 1985 // Postponed update of the cursor (won't work if "can_update_cursor" isn't 1986 // set). 1987 if (force_cursor) 1988 gui_update_cursor(TRUE, TRUE); 1989 1990 // When switching to another window the dragging must have stopped. 1991 // Required for GTK, dragged_sb isn't reset. 1992 if (old_curwin != curwin) 1993 gui.dragged_sb = SBAR_NONE; 1994 1995 // Update the scrollbars after clearing the screen or when switched 1996 // to another window. 1997 // Update the horizontal scrollbar always, it's difficult to check all 1998 // situations where it might change. 1999 if (force_scrollbar || old_curwin != curwin) 2000 gui_update_scrollbars(force_scrollbar); 2001 else 2002 gui_update_horiz_scrollbar(FALSE); 2003 old_curwin = curwin; 2004 2005 /* 2006 * We need to make sure this is cleared since Athena doesn't tell us when 2007 * he is done dragging. Do the same for GTK. 2008 */ 2009 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 2010 gui.dragged_sb = SBAR_NONE; 2011 #endif 2012 2013 gui_may_flush(); // In case vim decides to take a nap 2014 } 2015 2016 /* 2017 * When ScreenLines[] is invalid, updating the cursor should not be done, it 2018 * produces wrong results. Call gui_dont_update_cursor() before that code and 2019 * gui_can_update_cursor() afterwards. 2020 */ 2021 void 2022 gui_dont_update_cursor(int undraw) 2023 { 2024 if (gui.in_use) 2025 { 2026 // Undraw the cursor now, we probably can't do it after the change. 2027 if (undraw) 2028 gui_undraw_cursor(); 2029 can_update_cursor = FALSE; 2030 } 2031 } 2032 2033 void 2034 gui_can_update_cursor(void) 2035 { 2036 can_update_cursor = TRUE; 2037 // No need to update the cursor right now, there is always more output 2038 // after scrolling. 2039 } 2040 2041 /* 2042 * Disable issuing gui_mch_flush(). 2043 */ 2044 void 2045 gui_disable_flush(void) 2046 { 2047 ++disable_flush; 2048 } 2049 2050 /* 2051 * Enable issuing gui_mch_flush(). 2052 */ 2053 void 2054 gui_enable_flush(void) 2055 { 2056 --disable_flush; 2057 } 2058 2059 /* 2060 * Issue gui_mch_flush() if it is not disabled. 2061 */ 2062 void 2063 gui_may_flush(void) 2064 { 2065 if (disable_flush == 0) 2066 gui_mch_flush(); 2067 } 2068 2069 static void 2070 gui_outstr(char_u *s, int len) 2071 { 2072 int this_len; 2073 int cells; 2074 2075 if (len == 0) 2076 return; 2077 2078 if (len < 0) 2079 len = (int)STRLEN(s); 2080 2081 while (len > 0) 2082 { 2083 if (has_mbyte) 2084 { 2085 // Find out how many chars fit in the current line. 2086 cells = 0; 2087 for (this_len = 0; this_len < len; ) 2088 { 2089 cells += (*mb_ptr2cells)(s + this_len); 2090 if (gui.col + cells > Columns) 2091 break; 2092 this_len += (*mb_ptr2len)(s + this_len); 2093 } 2094 if (this_len > len) 2095 this_len = len; // don't include following composing char 2096 } 2097 else 2098 if (gui.col + len > Columns) 2099 this_len = Columns - gui.col; 2100 else 2101 this_len = len; 2102 2103 (void)gui_outstr_nowrap(s, this_len, 2104 0, (guicolor_T)0, (guicolor_T)0, 0); 2105 s += this_len; 2106 len -= this_len; 2107 // fill up for a double-width char that doesn't fit. 2108 if (len > 0 && gui.col < Columns) 2109 (void)gui_outstr_nowrap((char_u *)" ", 1, 2110 0, (guicolor_T)0, (guicolor_T)0, 0); 2111 // The cursor may wrap to the next line. 2112 if (gui.col >= Columns) 2113 { 2114 gui.col = 0; 2115 gui.row++; 2116 } 2117 } 2118 } 2119 2120 /* 2121 * Output one character (may be one or two display cells). 2122 * Caller must check for valid "off". 2123 * Returns FAIL or OK, just like gui_outstr_nowrap(). 2124 */ 2125 static int 2126 gui_screenchar( 2127 int off, // Offset from start of screen 2128 int flags, 2129 guicolor_T fg, // colors for cursor 2130 guicolor_T bg, // colors for cursor 2131 int back) // backup this many chars when using bold trick 2132 { 2133 char_u buf[MB_MAXBYTES + 1]; 2134 2135 // Don't draw right halve of a double-width UTF-8 char. "cannot happen" 2136 if (enc_utf8 && ScreenLines[off] == 0) 2137 return OK; 2138 2139 if (enc_utf8 && ScreenLinesUC[off] != 0) 2140 // Draw UTF-8 multi-byte character. 2141 return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf), 2142 flags, fg, bg, back); 2143 2144 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2145 { 2146 buf[0] = ScreenLines[off]; 2147 buf[1] = ScreenLines2[off]; 2148 return gui_outstr_nowrap(buf, 2, flags, fg, bg, back); 2149 } 2150 2151 // Draw non-multi-byte character or DBCS character. 2152 return gui_outstr_nowrap(ScreenLines + off, 2153 enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1, 2154 flags, fg, bg, back); 2155 } 2156 2157 #ifdef FEAT_GUI_GTK 2158 /* 2159 * Output the string at the given screen position. This is used in place 2160 * of gui_screenchar() where possible because Pango needs as much context 2161 * as possible to work nicely. It's a lot faster as well. 2162 */ 2163 static int 2164 gui_screenstr( 2165 int off, // Offset from start of screen 2166 int len, // string length in screen cells 2167 int flags, 2168 guicolor_T fg, // colors for cursor 2169 guicolor_T bg, // colors for cursor 2170 int back) // backup this many chars when using bold trick 2171 { 2172 char_u *buf; 2173 int outlen = 0; 2174 int i; 2175 int retval; 2176 2177 if (len <= 0) // "cannot happen"? 2178 return OK; 2179 2180 if (enc_utf8) 2181 { 2182 buf = alloc(len * MB_MAXBYTES + 1); 2183 if (buf == NULL) 2184 return OK; // not much we could do here... 2185 2186 for (i = off; i < off + len; ++i) 2187 { 2188 if (ScreenLines[i] == 0) 2189 continue; // skip second half of double-width char 2190 2191 if (ScreenLinesUC[i] == 0) 2192 buf[outlen++] = ScreenLines[i]; 2193 else 2194 outlen += utfc_char2bytes(i, buf + outlen); 2195 } 2196 2197 buf[outlen] = NUL; // only to aid debugging 2198 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2199 vim_free(buf); 2200 2201 return retval; 2202 } 2203 else if (enc_dbcs == DBCS_JPNU) 2204 { 2205 buf = alloc(len * 2 + 1); 2206 if (buf == NULL) 2207 return OK; // not much we could do here... 2208 2209 for (i = off; i < off + len; ++i) 2210 { 2211 buf[outlen++] = ScreenLines[i]; 2212 2213 // handle double-byte single-width char 2214 if (ScreenLines[i] == 0x8e) 2215 buf[outlen++] = ScreenLines2[i]; 2216 else if (MB_BYTE2LEN(ScreenLines[i]) == 2) 2217 buf[outlen++] = ScreenLines[++i]; 2218 } 2219 2220 buf[outlen] = NUL; // only to aid debugging 2221 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2222 vim_free(buf); 2223 2224 return retval; 2225 } 2226 else 2227 { 2228 return gui_outstr_nowrap(&ScreenLines[off], len, 2229 flags, fg, bg, back); 2230 } 2231 } 2232 #endif // FEAT_GUI_GTK 2233 2234 /* 2235 * Output the given string at the current cursor position. If the string is 2236 * too long to fit on the line, then it is truncated. 2237 * "flags": 2238 * GUI_MON_IS_CURSOR should only be used when this function is being called to 2239 * actually draw (an inverted) cursor. 2240 * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparent 2241 * background. 2242 * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over 2243 * it. 2244 * Returns OK, unless "back" is non-zero and using the bold trick, then return 2245 * FAIL (the caller should start drawing "back" chars back). 2246 */ 2247 static int 2248 gui_outstr_nowrap( 2249 char_u *s, 2250 int len, 2251 int flags, 2252 guicolor_T fg, // colors for cursor 2253 guicolor_T bg, // colors for cursor 2254 int back) // backup this many chars when using bold trick 2255 { 2256 long_u highlight_mask; 2257 long_u hl_mask_todo; 2258 guicolor_T fg_color; 2259 guicolor_T bg_color; 2260 guicolor_T sp_color; 2261 #if !defined(FEAT_GUI_GTK) 2262 GuiFont font = NOFONT; 2263 GuiFont wide_font = NOFONT; 2264 # ifdef FEAT_XFONTSET 2265 GuiFontset fontset = NOFONTSET; 2266 # endif 2267 #endif 2268 attrentry_T *aep = NULL; 2269 int draw_flags; 2270 int col = gui.col; 2271 #ifdef FEAT_SIGN_ICONS 2272 int draw_sign = FALSE; 2273 int signcol = 0; 2274 char_u extra[18]; 2275 # ifdef FEAT_NETBEANS_INTG 2276 int multi_sign = FALSE; 2277 # endif 2278 #endif 2279 2280 if (len < 0) 2281 len = (int)STRLEN(s); 2282 if (len == 0) 2283 return OK; 2284 2285 #ifdef FEAT_SIGN_ICONS 2286 if (*s == SIGN_BYTE 2287 # ifdef FEAT_NETBEANS_INTG 2288 || *s == MULTISIGN_BYTE 2289 # endif 2290 ) 2291 { 2292 # ifdef FEAT_NETBEANS_INTG 2293 if (*s == MULTISIGN_BYTE) 2294 multi_sign = TRUE; 2295 # endif 2296 // draw spaces instead 2297 if (*curwin->w_p_scl == 'n' && *(curwin->w_p_scl + 1) == 'u' && 2298 (curwin->w_p_nu || curwin->w_p_rnu)) 2299 { 2300 sprintf((char *)extra, "%*c ", number_width(curwin), ' '); 2301 s = extra; 2302 } 2303 else 2304 s = (char_u *)" "; 2305 if (len == 1 && col > 0) 2306 --col; 2307 len = (int)STRLEN(s); 2308 if (len > 2) 2309 // right align sign icon in the number column 2310 signcol = col + len - 3; 2311 else 2312 signcol = col; 2313 draw_sign = TRUE; 2314 highlight_mask = 0; 2315 } 2316 else 2317 #endif 2318 if (gui.highlight_mask > HL_ALL) 2319 { 2320 aep = syn_gui_attr2entry(gui.highlight_mask); 2321 if (aep == NULL) // highlighting not set 2322 highlight_mask = 0; 2323 else 2324 highlight_mask = aep->ae_attr; 2325 } 2326 else 2327 highlight_mask = gui.highlight_mask; 2328 hl_mask_todo = highlight_mask; 2329 2330 #if !defined(FEAT_GUI_GTK) 2331 // Set the font 2332 if (aep != NULL && aep->ae_u.gui.font != NOFONT) 2333 font = aep->ae_u.gui.font; 2334 # ifdef FEAT_XFONTSET 2335 else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET) 2336 fontset = aep->ae_u.gui.fontset; 2337 # endif 2338 else 2339 { 2340 # ifdef FEAT_XFONTSET 2341 if (gui.fontset != NOFONTSET) 2342 fontset = gui.fontset; 2343 else 2344 # endif 2345 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2346 { 2347 if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT) 2348 { 2349 font = gui.boldital_font; 2350 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC); 2351 } 2352 else if (gui.bold_font != NOFONT) 2353 { 2354 font = gui.bold_font; 2355 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT); 2356 } 2357 else 2358 font = gui.norm_font; 2359 } 2360 else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT) 2361 { 2362 font = gui.ital_font; 2363 hl_mask_todo &= ~HL_ITALIC; 2364 } 2365 else 2366 font = gui.norm_font; 2367 2368 /* 2369 * Choose correct wide_font by font. wide_font should be set with font 2370 * at same time in above block. But it will make many "ifdef" nasty 2371 * blocks. So we do it here. 2372 */ 2373 if (font == gui.boldital_font && gui.wide_boldital_font) 2374 wide_font = gui.wide_boldital_font; 2375 else if (font == gui.bold_font && gui.wide_bold_font) 2376 wide_font = gui.wide_bold_font; 2377 else if (font == gui.ital_font && gui.wide_ital_font) 2378 wide_font = gui.wide_ital_font; 2379 else if (font == gui.norm_font && gui.wide_font) 2380 wide_font = gui.wide_font; 2381 } 2382 # ifdef FEAT_XFONTSET 2383 if (fontset != NOFONTSET) 2384 gui_mch_set_fontset(fontset); 2385 else 2386 # endif 2387 gui_mch_set_font(font); 2388 #endif 2389 2390 draw_flags = 0; 2391 2392 // Set the color 2393 bg_color = gui.back_pixel; 2394 if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus) 2395 { 2396 draw_flags |= DRAW_CURSOR; 2397 fg_color = fg; 2398 bg_color = bg; 2399 sp_color = fg; 2400 } 2401 else if (aep != NULL) 2402 { 2403 fg_color = aep->ae_u.gui.fg_color; 2404 if (fg_color == INVALCOLOR) 2405 fg_color = gui.norm_pixel; 2406 bg_color = aep->ae_u.gui.bg_color; 2407 if (bg_color == INVALCOLOR) 2408 bg_color = gui.back_pixel; 2409 sp_color = aep->ae_u.gui.sp_color; 2410 if (sp_color == INVALCOLOR) 2411 sp_color = fg_color; 2412 } 2413 else 2414 { 2415 fg_color = gui.norm_pixel; 2416 sp_color = fg_color; 2417 } 2418 2419 if (highlight_mask & (HL_INVERSE | HL_STANDOUT)) 2420 { 2421 gui_mch_set_fg_color(bg_color); 2422 gui_mch_set_bg_color(fg_color); 2423 } 2424 else 2425 { 2426 gui_mch_set_fg_color(fg_color); 2427 gui_mch_set_bg_color(bg_color); 2428 } 2429 gui_mch_set_sp_color(sp_color); 2430 2431 // Clear the selection if we are about to write over it 2432 if (!(flags & GUI_MON_NOCLEAR)) 2433 clip_may_clear_selection(gui.row, gui.row); 2434 2435 2436 // If there's no bold font, then fake it 2437 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2438 draw_flags |= DRAW_BOLD; 2439 2440 /* 2441 * When drawing bold or italic characters the spill-over from the left 2442 * neighbor may be destroyed. Let the caller backup to start redrawing 2443 * just after a blank. 2444 */ 2445 if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC))) 2446 return FAIL; 2447 2448 #if defined(FEAT_GUI_GTK) 2449 // If there's no italic font, then fake it. 2450 // For GTK2, we don't need a different font for italic style. 2451 if (hl_mask_todo & HL_ITALIC) 2452 draw_flags |= DRAW_ITALIC; 2453 2454 // Do we underline the text? 2455 if (hl_mask_todo & HL_UNDERLINE) 2456 draw_flags |= DRAW_UNDERL; 2457 2458 #else 2459 // Do we underline the text? 2460 if ((hl_mask_todo & HL_UNDERLINE) || (hl_mask_todo & HL_ITALIC)) 2461 draw_flags |= DRAW_UNDERL; 2462 #endif 2463 // Do we undercurl the text? 2464 if (hl_mask_todo & HL_UNDERCURL) 2465 draw_flags |= DRAW_UNDERC; 2466 2467 // Do we strikethrough the text? 2468 if (hl_mask_todo & HL_STRIKETHROUGH) 2469 draw_flags |= DRAW_STRIKE; 2470 2471 // Do we draw transparently? 2472 if (flags & GUI_MON_TRS_CURSOR) 2473 draw_flags |= DRAW_TRANSP; 2474 2475 /* 2476 * Draw the text. 2477 */ 2478 #ifdef FEAT_GUI_GTK 2479 // The value returned is the length in display cells 2480 len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags); 2481 #else 2482 if (enc_utf8) 2483 { 2484 int start; // index of bytes to be drawn 2485 int cells; // cellwidth of bytes to be drawn 2486 int thislen; // length of bytes to be drawn 2487 int cn; // cellwidth of current char 2488 int i; // index of current char 2489 int c; // current char value 2490 int cl; // byte length of current char 2491 int comping; // current char is composing 2492 int scol = col; // screen column 2493 int curr_wide = FALSE; // use 'guifontwide' 2494 int prev_wide = FALSE; 2495 int wide_changed; 2496 # ifdef MSWIN 2497 int sep_comp = FALSE; // Don't separate composing chars. 2498 # else 2499 int sep_comp = TRUE; // Separate composing chars. 2500 # endif 2501 2502 // Break the string at a composing character, it has to be drawn on 2503 // top of the previous character. 2504 start = 0; 2505 cells = 0; 2506 for (i = 0; i < len; i += cl) 2507 { 2508 c = utf_ptr2char(s + i); 2509 cn = utf_char2cells(c); 2510 comping = utf_iscomposing(c); 2511 if (!comping) // count cells from non-composing chars 2512 cells += cn; 2513 if (!comping || sep_comp) 2514 { 2515 if (cn > 1 2516 # ifdef FEAT_XFONTSET 2517 && fontset == NOFONTSET 2518 # endif 2519 && wide_font != NOFONT) 2520 curr_wide = TRUE; 2521 else 2522 curr_wide = FALSE; 2523 } 2524 cl = utf_ptr2len(s + i); 2525 if (cl == 0) // hit end of string 2526 len = i + cl; // len must be wrong "cannot happen" 2527 2528 wide_changed = curr_wide != prev_wide; 2529 2530 // Print the string so far if it's the last character or there is 2531 // a composing character. 2532 if (i + cl >= len || (comping && sep_comp && i > start) 2533 || wide_changed 2534 # if defined(FEAT_GUI_X11) 2535 || (cn > 1 2536 # ifdef FEAT_XFONTSET 2537 // No fontset: At least draw char after wide char at 2538 // right position. 2539 && fontset == NOFONTSET 2540 # endif 2541 ) 2542 # endif 2543 ) 2544 { 2545 if ((comping && sep_comp) || wide_changed) 2546 thislen = i - start; 2547 else 2548 thislen = i - start + cl; 2549 if (thislen > 0) 2550 { 2551 if (prev_wide) 2552 gui_mch_set_font(wide_font); 2553 gui_mch_draw_string(gui.row, scol, s + start, thislen, 2554 draw_flags); 2555 if (prev_wide) 2556 gui_mch_set_font(font); 2557 start += thislen; 2558 } 2559 scol += cells; 2560 cells = 0; 2561 // Adjust to not draw a character which width is changed 2562 // against with last one. 2563 if (wide_changed && !(comping && sep_comp)) 2564 { 2565 scol -= cn; 2566 cl = 0; 2567 } 2568 2569 # if defined(FEAT_GUI_X11) 2570 // No fontset: draw a space to fill the gap after a wide char 2571 // 2572 if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0 2573 # ifdef FEAT_XFONTSET 2574 && fontset == NOFONTSET 2575 # endif 2576 && !wide_changed) 2577 gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ", 2578 1, draw_flags); 2579 # endif 2580 } 2581 // Draw a composing char on top of the previous char. 2582 if (comping && sep_comp) 2583 { 2584 # if defined(__APPLE_CC__) && TARGET_API_MAC_CARBON 2585 // Carbon ATSUI autodraws composing char over previous char 2586 gui_mch_draw_string(gui.row, scol, s + i, cl, 2587 draw_flags | DRAW_TRANSP); 2588 # else 2589 gui_mch_draw_string(gui.row, scol - cn, s + i, cl, 2590 draw_flags | DRAW_TRANSP); 2591 # endif 2592 start = i + cl; 2593 } 2594 prev_wide = curr_wide; 2595 } 2596 // The stuff below assumes "len" is the length in screen columns. 2597 len = scol - col; 2598 } 2599 else 2600 { 2601 gui_mch_draw_string(gui.row, col, s, len, draw_flags); 2602 if (enc_dbcs == DBCS_JPNU) 2603 { 2604 // Get the length in display cells, this can be different from the 2605 // number of bytes for "euc-jp". 2606 len = mb_string2cells(s, len); 2607 } 2608 } 2609 #endif // !FEAT_GUI_GTK 2610 2611 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2612 gui.col = col + len; 2613 2614 // May need to invert it when it's part of the selection. 2615 if (flags & GUI_MON_NOCLEAR) 2616 clip_may_redraw_selection(gui.row, col, len); 2617 2618 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2619 { 2620 // Invalidate the old physical cursor position if we wrote over it 2621 if (gui.cursor_row == gui.row 2622 && gui.cursor_col >= col 2623 && gui.cursor_col < col + len) 2624 gui.cursor_is_valid = FALSE; 2625 } 2626 2627 #ifdef FEAT_SIGN_ICONS 2628 if (draw_sign) 2629 // Draw the sign on top of the spaces. 2630 gui_mch_drawsign(gui.row, signcol, gui.highlight_mask); 2631 # if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \ 2632 || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MSWIN)) 2633 if (multi_sign) 2634 netbeans_draw_multisign_indicator(gui.row); 2635 # endif 2636 #endif 2637 2638 return OK; 2639 } 2640 2641 /* 2642 * Un-draw the cursor. Actually this just redraws the character at the given 2643 * position. 2644 */ 2645 void 2646 gui_undraw_cursor(void) 2647 { 2648 if (gui.cursor_is_valid) 2649 { 2650 // Redraw the character just before too, if there is one, because with 2651 // some fonts and characters there can be a one pixel overlap. 2652 gui_redraw_block(gui.cursor_row, 2653 gui.cursor_col > 0 ? gui.cursor_col - 1 : gui.cursor_col, 2654 gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR); 2655 2656 // Cursor_is_valid is reset when the cursor is undrawn, also reset it 2657 // here in case it wasn't needed to undraw it. 2658 gui.cursor_is_valid = FALSE; 2659 } 2660 } 2661 2662 void 2663 gui_redraw( 2664 int x, 2665 int y, 2666 int w, 2667 int h) 2668 { 2669 int row1, col1, row2, col2; 2670 2671 row1 = Y_2_ROW(y); 2672 col1 = X_2_COL(x); 2673 row2 = Y_2_ROW(y + h - 1); 2674 col2 = X_2_COL(x + w - 1); 2675 2676 gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR); 2677 2678 /* 2679 * We may need to redraw the cursor, but don't take it upon us to change 2680 * its location after a scroll. 2681 * (maybe be more strict even and test col too?) 2682 * These things may be outside the update/clipping region and reality may 2683 * not reflect Vims internal ideas if these operations are clipped away. 2684 */ 2685 if (gui.row == gui.cursor_row) 2686 gui_update_cursor(TRUE, TRUE); 2687 } 2688 2689 /* 2690 * Draw a rectangular block of characters, from row1 to row2 (inclusive) and 2691 * from col1 to col2 (inclusive). 2692 */ 2693 void 2694 gui_redraw_block( 2695 int row1, 2696 int col1, 2697 int row2, 2698 int col2, 2699 int flags) // flags for gui_outstr_nowrap() 2700 { 2701 int old_row, old_col; 2702 long_u old_hl_mask; 2703 int off; 2704 sattr_T first_attr; 2705 int idx, len; 2706 int back, nback; 2707 int orig_col1, orig_col2; 2708 2709 // Don't try to update when ScreenLines is not valid 2710 if (!screen_cleared || ScreenLines == NULL) 2711 return; 2712 2713 // Don't try to draw outside the shell! 2714 // Check everything, strange values may be caused by a big border width 2715 col1 = check_col(col1); 2716 col2 = check_col(col2); 2717 row1 = check_row(row1); 2718 row2 = check_row(row2); 2719 2720 // Remember where our cursor was 2721 old_row = gui.row; 2722 old_col = gui.col; 2723 old_hl_mask = gui.highlight_mask; 2724 orig_col1 = col1; 2725 orig_col2 = col2; 2726 2727 for (gui.row = row1; gui.row <= row2; gui.row++) 2728 { 2729 // When only half of a double-wide character is in the block, include 2730 // the other half. 2731 col1 = orig_col1; 2732 col2 = orig_col2; 2733 off = LineOffset[gui.row]; 2734 if (enc_dbcs != 0) 2735 { 2736 if (col1 > 0) 2737 col1 -= dbcs_screen_head_off(ScreenLines + off, 2738 ScreenLines + off + col1); 2739 col2 += dbcs_screen_tail_off(ScreenLines + off, 2740 ScreenLines + off + col2); 2741 } 2742 else if (enc_utf8) 2743 { 2744 if (ScreenLines[off + col1] == 0) 2745 { 2746 if (col1 > 0) 2747 --col1; 2748 else 2749 { 2750 // FIXME: how can the first character ever be zero? 2751 // Make this IEMSGN when it no longer breaks Travis CI. 2752 vim_snprintf((char *)IObuff, IOSIZE, 2753 "INTERNAL ERROR: NUL in ScreenLines in row %ld", 2754 (long)gui.row); 2755 msg((char *)IObuff); 2756 } 2757 } 2758 #ifdef FEAT_GUI_GTK 2759 if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) 2760 ++col2; 2761 #endif 2762 } 2763 gui.col = col1; 2764 off = LineOffset[gui.row] + gui.col; 2765 len = col2 - col1 + 1; 2766 2767 // Find how many chars back this highlighting starts, or where a space 2768 // is. Needed for when the bold trick is used 2769 for (back = 0; back < col1; ++back) 2770 if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off] 2771 || ScreenLines[off - 1 - back] == ' ') 2772 break; 2773 2774 // Break it up in strings of characters with the same attributes. 2775 // Print UTF-8 characters individually. 2776 while (len > 0) 2777 { 2778 first_attr = ScreenAttrs[off]; 2779 gui.highlight_mask = first_attr; 2780 #if !defined(FEAT_GUI_GTK) 2781 if (enc_utf8 && ScreenLinesUC[off] != 0) 2782 { 2783 // output multi-byte character separately 2784 nback = gui_screenchar(off, flags, 2785 (guicolor_T)0, (guicolor_T)0, back); 2786 if (gui.col < Columns && ScreenLines[off + 1] == 0) 2787 idx = 2; 2788 else 2789 idx = 1; 2790 } 2791 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2792 { 2793 // output double-byte, single-width character separately 2794 nback = gui_screenchar(off, flags, 2795 (guicolor_T)0, (guicolor_T)0, back); 2796 idx = 1; 2797 } 2798 else 2799 #endif 2800 { 2801 #ifdef FEAT_GUI_GTK 2802 for (idx = 0; idx < len; ++idx) 2803 { 2804 if (enc_utf8 && ScreenLines[off + idx] == 0) 2805 continue; // skip second half of double-width char 2806 if (ScreenAttrs[off + idx] != first_attr) 2807 break; 2808 } 2809 // gui_screenstr() takes care of multibyte chars 2810 nback = gui_screenstr(off, idx, flags, 2811 (guicolor_T)0, (guicolor_T)0, back); 2812 #else 2813 for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr; 2814 idx++) 2815 { 2816 // Stop at a multi-byte Unicode character. 2817 if (enc_utf8 && ScreenLinesUC[off + idx] != 0) 2818 break; 2819 if (enc_dbcs == DBCS_JPNU) 2820 { 2821 // Stop at a double-byte single-width char. 2822 if (ScreenLines[off + idx] == 0x8e) 2823 break; 2824 if (len > 1 && (*mb_ptr2len)(ScreenLines 2825 + off + idx) == 2) 2826 ++idx; // skip second byte of double-byte char 2827 } 2828 } 2829 nback = gui_outstr_nowrap(ScreenLines + off, idx, flags, 2830 (guicolor_T)0, (guicolor_T)0, back); 2831 #endif 2832 } 2833 if (nback == FAIL) 2834 { 2835 // Must back up to start drawing where a bold or italic word 2836 // starts. 2837 off -= back; 2838 len += back; 2839 gui.col -= back; 2840 } 2841 else 2842 { 2843 off += idx; 2844 len -= idx; 2845 } 2846 back = 0; 2847 } 2848 } 2849 2850 // Put the cursor back where it was 2851 gui.row = old_row; 2852 gui.col = old_col; 2853 gui.highlight_mask = (int)old_hl_mask; 2854 } 2855 2856 static void 2857 gui_delete_lines(int row, int count) 2858 { 2859 if (count <= 0) 2860 return; 2861 2862 if (row + count > gui.scroll_region_bot) 2863 // Scrolled out of region, just blank the lines out 2864 gui_clear_block(row, gui.scroll_region_left, 2865 gui.scroll_region_bot, gui.scroll_region_right); 2866 else 2867 { 2868 gui_mch_delete_lines(row, count); 2869 2870 // If the cursor was in the deleted lines it's now gone. If the 2871 // cursor was in the scrolled lines adjust its position. 2872 if (gui.cursor_row >= row 2873 && gui.cursor_col >= gui.scroll_region_left 2874 && gui.cursor_col <= gui.scroll_region_right) 2875 { 2876 if (gui.cursor_row < row + count) 2877 gui.cursor_is_valid = FALSE; 2878 else if (gui.cursor_row <= gui.scroll_region_bot) 2879 gui.cursor_row -= count; 2880 } 2881 } 2882 } 2883 2884 static void 2885 gui_insert_lines(int row, int count) 2886 { 2887 if (count <= 0) 2888 return; 2889 2890 if (row + count > gui.scroll_region_bot) 2891 // Scrolled out of region, just blank the lines out 2892 gui_clear_block(row, gui.scroll_region_left, 2893 gui.scroll_region_bot, gui.scroll_region_right); 2894 else 2895 { 2896 gui_mch_insert_lines(row, count); 2897 2898 if (gui.cursor_row >= gui.row 2899 && gui.cursor_col >= gui.scroll_region_left 2900 && gui.cursor_col <= gui.scroll_region_right) 2901 { 2902 if (gui.cursor_row <= gui.scroll_region_bot - count) 2903 gui.cursor_row += count; 2904 else if (gui.cursor_row <= gui.scroll_region_bot) 2905 gui.cursor_is_valid = FALSE; 2906 } 2907 } 2908 } 2909 2910 #ifdef FEAT_TIMERS 2911 /* 2912 * Passed to ui_wait_for_chars_or_timer(), ignoring extra arguments. 2913 */ 2914 static int 2915 gui_wait_for_chars_3( 2916 long wtime, 2917 int *interrupted UNUSED, 2918 int ignore_input UNUSED) 2919 { 2920 return gui_mch_wait_for_chars(wtime); 2921 } 2922 #endif 2923 2924 /* 2925 * Returns OK if a character was found to be available within the given time, 2926 * or FAIL otherwise. 2927 */ 2928 static int 2929 gui_wait_for_chars_or_timer( 2930 long wtime, 2931 int *interrupted UNUSED, 2932 int ignore_input UNUSED) 2933 { 2934 #ifdef FEAT_TIMERS 2935 return ui_wait_for_chars_or_timer(wtime, gui_wait_for_chars_3, 2936 interrupted, ignore_input); 2937 #else 2938 return gui_mch_wait_for_chars(wtime); 2939 #endif 2940 } 2941 2942 /* 2943 * The main GUI input routine. Waits for a character from the keyboard. 2944 * "wtime" == -1 Wait forever. 2945 * "wtime" == 0 Don't wait. 2946 * "wtime" > 0 Wait wtime milliseconds for a character. 2947 * 2948 * Returns the number of characters read or zero when timed out or interrupted. 2949 * "buf" may be NULL, in which case a non-zero number is returned if characters 2950 * are available. 2951 */ 2952 static int 2953 gui_wait_for_chars_buf( 2954 char_u *buf, 2955 int maxlen, 2956 long wtime, // don't use "time", MIPS cannot handle it 2957 int tb_change_cnt) 2958 { 2959 int retval; 2960 2961 #ifdef FEAT_MENU 2962 // If we're going to wait a bit, update the menus and mouse shape for the 2963 // current State. 2964 if (wtime != 0) 2965 gui_update_menus(0); 2966 #endif 2967 2968 gui_mch_update(); 2969 if (input_available()) // Got char, return immediately 2970 { 2971 if (buf != NULL && !typebuf_changed(tb_change_cnt)) 2972 return read_from_input_buf(buf, (long)maxlen); 2973 return 0; 2974 } 2975 if (wtime == 0) // Don't wait for char 2976 return FAIL; 2977 2978 // Before waiting, flush any output to the screen. 2979 gui_mch_flush(); 2980 2981 // Blink while waiting for a character. 2982 gui_mch_start_blink(); 2983 2984 // Common function to loop until "wtime" is met, while handling timers and 2985 // other callbacks. 2986 retval = inchar_loop(buf, maxlen, wtime, tb_change_cnt, 2987 gui_wait_for_chars_or_timer, NULL); 2988 2989 gui_mch_stop_blink(TRUE); 2990 2991 return retval; 2992 } 2993 2994 /* 2995 * Wait for a character from the keyboard without actually reading it. 2996 * Also deals with timers. 2997 * wtime == -1 Wait forever. 2998 * wtime == 0 Don't wait. 2999 * wtime > 0 Wait wtime milliseconds for a character. 3000 * Returns OK if a character was found to be available within the given time, 3001 * or FAIL otherwise. 3002 */ 3003 int 3004 gui_wait_for_chars(long wtime, int tb_change_cnt) 3005 { 3006 return gui_wait_for_chars_buf(NULL, 0, wtime, tb_change_cnt); 3007 } 3008 3009 /* 3010 * Equivalent of mch_inchar() for the GUI. 3011 */ 3012 int 3013 gui_inchar( 3014 char_u *buf, 3015 int maxlen, 3016 long wtime, // milli seconds 3017 int tb_change_cnt) 3018 { 3019 return gui_wait_for_chars_buf(buf, maxlen, wtime, tb_change_cnt); 3020 } 3021 3022 /* 3023 * Fill p[4] with mouse coordinates encoded for check_termcode(). 3024 */ 3025 static void 3026 fill_mouse_coord(char_u *p, int col, int row) 3027 { 3028 p[0] = (char_u)(col / 128 + ' ' + 1); 3029 p[1] = (char_u)(col % 128 + ' ' + 1); 3030 p[2] = (char_u)(row / 128 + ' ' + 1); 3031 p[3] = (char_u)(row % 128 + ' ' + 1); 3032 } 3033 3034 /* 3035 * Generic mouse support function. Add a mouse event to the input buffer with 3036 * the given properties. 3037 * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT, 3038 * MOUSE_X1, MOUSE_X2 3039 * MOUSE_DRAG, or MOUSE_RELEASE. 3040 * MOUSE_4 and MOUSE_5 are used for vertical scroll wheel, 3041 * MOUSE_6 and MOUSE_7 for horizontal scroll wheel. 3042 * x, y --- Coordinates of mouse in pixels. 3043 * repeated_click --- TRUE if this click comes only a short time after a 3044 * previous click. 3045 * modifiers --- Bit field which may be any of the following modifiers 3046 * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT. 3047 * This function will ignore drag events where the mouse has not moved to a new 3048 * character. 3049 */ 3050 void 3051 gui_send_mouse_event( 3052 int button, 3053 int x, 3054 int y, 3055 int repeated_click, 3056 int_u modifiers) 3057 { 3058 static int prev_row = 0, prev_col = 0; 3059 static int prev_button = -1; 3060 static int num_clicks = 1; 3061 char_u string[10]; 3062 enum key_extra button_char; 3063 int row, col; 3064 #ifdef FEAT_CLIPBOARD 3065 int checkfor; 3066 int did_clip = FALSE; 3067 #endif 3068 3069 /* 3070 * Scrolling may happen at any time, also while a selection is present. 3071 */ 3072 switch (button) 3073 { 3074 case MOUSE_MOVE: 3075 button_char = KE_MOUSEMOVE_XY; 3076 goto button_set; 3077 case MOUSE_X1: 3078 button_char = KE_X1MOUSE; 3079 goto button_set; 3080 case MOUSE_X2: 3081 button_char = KE_X2MOUSE; 3082 goto button_set; 3083 case MOUSE_4: 3084 button_char = KE_MOUSEDOWN; 3085 goto button_set; 3086 case MOUSE_5: 3087 button_char = KE_MOUSEUP; 3088 goto button_set; 3089 case MOUSE_6: 3090 button_char = KE_MOUSELEFT; 3091 goto button_set; 3092 case MOUSE_7: 3093 button_char = KE_MOUSERIGHT; 3094 button_set: 3095 { 3096 // Don't put events in the input queue now. 3097 if (hold_gui_events) 3098 return; 3099 3100 string[3] = CSI; 3101 string[4] = KS_EXTRA; 3102 string[5] = (int)button_char; 3103 3104 // Pass the pointer coordinates of the scroll event so that we 3105 // know which window to scroll. 3106 row = gui_xy2colrow(x, y, &col); 3107 string[6] = (char_u)(col / 128 + ' ' + 1); 3108 string[7] = (char_u)(col % 128 + ' ' + 1); 3109 string[8] = (char_u)(row / 128 + ' ' + 1); 3110 string[9] = (char_u)(row % 128 + ' ' + 1); 3111 3112 if (modifiers == 0) 3113 add_to_input_buf(string + 3, 7); 3114 else 3115 { 3116 string[0] = CSI; 3117 string[1] = KS_MODIFIER; 3118 string[2] = 0; 3119 if (modifiers & MOUSE_SHIFT) 3120 string[2] |= MOD_MASK_SHIFT; 3121 if (modifiers & MOUSE_CTRL) 3122 string[2] |= MOD_MASK_CTRL; 3123 if (modifiers & MOUSE_ALT) 3124 string[2] |= MOD_MASK_ALT; 3125 add_to_input_buf(string, 10); 3126 } 3127 return; 3128 } 3129 } 3130 3131 #ifdef FEAT_CLIPBOARD 3132 // If a clipboard selection is in progress, handle it 3133 if (clip_star.state == SELECT_IN_PROGRESS) 3134 { 3135 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click); 3136 3137 // A release event may still need to be sent if the position is equal. 3138 row = gui_xy2colrow(x, y, &col); 3139 if (button != MOUSE_RELEASE || row != prev_row || col != prev_col) 3140 return; 3141 } 3142 3143 // Determine which mouse settings to look for based on the current mode 3144 switch (get_real_state()) 3145 { 3146 case NORMAL_BUSY: 3147 case OP_PENDING: 3148 # ifdef FEAT_TERMINAL 3149 case TERMINAL: 3150 # endif 3151 case NORMAL: checkfor = MOUSE_NORMAL; break; 3152 case VISUAL: checkfor = MOUSE_VISUAL; break; 3153 case SELECTMODE: checkfor = MOUSE_VISUAL; break; 3154 case REPLACE: 3155 case REPLACE+LANGMAP: 3156 case VREPLACE: 3157 case VREPLACE+LANGMAP: 3158 case INSERT: 3159 case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break; 3160 case ASKMORE: 3161 case HITRETURN: // At the more- and hit-enter prompt pass the 3162 // mouse event for a click on or below the 3163 // message line. 3164 if (Y_2_ROW(y) >= msg_row) 3165 checkfor = MOUSE_NORMAL; 3166 else 3167 checkfor = MOUSE_RETURN; 3168 break; 3169 3170 /* 3171 * On the command line, use the clipboard selection on all lines 3172 * but the command line. But not when pasting. 3173 */ 3174 case CMDLINE: 3175 case CMDLINE+LANGMAP: 3176 if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE) 3177 checkfor = MOUSE_NONE; 3178 else 3179 checkfor = MOUSE_COMMAND; 3180 break; 3181 3182 default: 3183 checkfor = MOUSE_NONE; 3184 break; 3185 }; 3186 3187 /* 3188 * Allow clipboard selection of text on the command line in "normal" 3189 * modes. Don't do this when dragging the status line, or extending a 3190 * Visual selection. 3191 */ 3192 if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT)) 3193 && Y_2_ROW(y) >= topframe->fr_height + firstwin->w_winrow 3194 && button != MOUSE_DRAG 3195 # ifdef FEAT_MOUSESHAPE 3196 && !drag_status_line 3197 && !drag_sep_line 3198 # endif 3199 ) 3200 checkfor = MOUSE_NONE; 3201 3202 /* 3203 * Use modeless selection when holding CTRL and SHIFT pressed. 3204 */ 3205 if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT)) 3206 checkfor = MOUSE_NONEF; 3207 3208 /* 3209 * In Ex mode, always use modeless selection. 3210 */ 3211 if (exmode_active) 3212 checkfor = MOUSE_NONE; 3213 3214 /* 3215 * If the mouse settings say to not use the mouse, use the modeless 3216 * selection. But if Visual is active, assume that only the Visual area 3217 * will be selected. 3218 * Exception: On the command line, both the selection is used and a mouse 3219 * key is send. 3220 */ 3221 if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND) 3222 { 3223 // Don't do modeless selection in Visual mode. 3224 if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL)) 3225 return; 3226 3227 /* 3228 * When 'mousemodel' is "popup", shift-left is translated to right. 3229 * But not when also using Ctrl. 3230 */ 3231 if (mouse_model_popup() && button == MOUSE_LEFT 3232 && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL)) 3233 { 3234 button = MOUSE_RIGHT; 3235 modifiers &= ~ MOUSE_SHIFT; 3236 } 3237 3238 // If the selection is done, allow the right button to extend it. 3239 // If the selection is cleared, allow the right button to start it 3240 // from the cursor position. 3241 if (button == MOUSE_RIGHT) 3242 { 3243 if (clip_star.state == SELECT_CLEARED) 3244 { 3245 if (State & CMDLINE) 3246 { 3247 col = msg_col; 3248 row = msg_row; 3249 } 3250 else 3251 { 3252 col = curwin->w_wcol; 3253 row = curwin->w_wrow + W_WINROW(curwin); 3254 } 3255 clip_start_selection(col, row, FALSE); 3256 } 3257 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), 3258 repeated_click); 3259 did_clip = TRUE; 3260 } 3261 // Allow the left button to start the selection 3262 else if (button == MOUSE_LEFT) 3263 { 3264 clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click); 3265 did_clip = TRUE; 3266 } 3267 3268 // Always allow pasting 3269 if (button != MOUSE_MIDDLE) 3270 { 3271 if (!mouse_has(checkfor) || button == MOUSE_RELEASE) 3272 return; 3273 if (checkfor != MOUSE_COMMAND) 3274 button = MOUSE_LEFT; 3275 } 3276 repeated_click = FALSE; 3277 } 3278 3279 if (clip_star.state != SELECT_CLEARED && !did_clip) 3280 clip_clear_selection(&clip_star); 3281 #endif 3282 3283 // Don't put events in the input queue now. 3284 if (hold_gui_events) 3285 return; 3286 3287 row = gui_xy2colrow(x, y, &col); 3288 3289 /* 3290 * If we are dragging and the mouse hasn't moved far enough to be on a 3291 * different character, then don't send an event to vim. 3292 */ 3293 if (button == MOUSE_DRAG) 3294 { 3295 if (row == prev_row && col == prev_col) 3296 return; 3297 // Dragging above the window, set "row" to -1 to cause a scroll. 3298 if (y < 0) 3299 row = -1; 3300 } 3301 3302 /* 3303 * If topline has changed (window scrolled) since the last click, reset 3304 * repeated_click, because we don't want starting Visual mode when 3305 * clicking on a different character in the text. 3306 */ 3307 if (curwin->w_topline != gui_prev_topline 3308 #ifdef FEAT_DIFF 3309 || curwin->w_topfill != gui_prev_topfill 3310 #endif 3311 ) 3312 repeated_click = FALSE; 3313 3314 string[0] = CSI; // this sequence is recognized by check_termcode() 3315 string[1] = KS_MOUSE; 3316 string[2] = KE_FILLER; 3317 if (button != MOUSE_DRAG && button != MOUSE_RELEASE) 3318 { 3319 if (repeated_click) 3320 { 3321 /* 3322 * Handle multiple clicks. They only count if the mouse is still 3323 * pointing at the same character. 3324 */ 3325 if (button != prev_button || row != prev_row || col != prev_col) 3326 num_clicks = 1; 3327 else if (++num_clicks > 4) 3328 num_clicks = 1; 3329 } 3330 else 3331 num_clicks = 1; 3332 prev_button = button; 3333 gui_prev_topline = curwin->w_topline; 3334 #ifdef FEAT_DIFF 3335 gui_prev_topfill = curwin->w_topfill; 3336 #endif 3337 3338 string[3] = (char_u)(button | 0x20); 3339 SET_NUM_MOUSE_CLICKS(string[3], num_clicks); 3340 } 3341 else 3342 string[3] = (char_u)button; 3343 3344 string[3] |= modifiers; 3345 fill_mouse_coord(string + 4, col, row); 3346 add_to_input_buf(string, 8); 3347 3348 if (row < 0) 3349 prev_row = 0; 3350 else 3351 prev_row = row; 3352 prev_col = col; 3353 3354 /* 3355 * We need to make sure this is cleared since Athena doesn't tell us when 3356 * he is done dragging. Neither does GTK+ 2 -- at least for now. 3357 */ 3358 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 3359 gui.dragged_sb = SBAR_NONE; 3360 #endif 3361 } 3362 3363 /* 3364 * Convert x and y coordinate to column and row in text window. 3365 * Corrects for multi-byte character. 3366 * returns column in "*colp" and row as return value; 3367 */ 3368 static int 3369 gui_xy2colrow(int x, int y, int *colp) 3370 { 3371 int col = check_col(X_2_COL(x)); 3372 int row = check_row(Y_2_ROW(y)); 3373 3374 *colp = mb_fix_col(col, row); 3375 return row; 3376 } 3377 3378 #if defined(FEAT_MENU) || defined(PROTO) 3379 /* 3380 * Callback function for when a menu entry has been selected. 3381 */ 3382 void 3383 gui_menu_cb(vimmenu_T *menu) 3384 { 3385 char_u bytes[sizeof(long_u)]; 3386 3387 // Don't put events in the input queue now. 3388 if (hold_gui_events) 3389 return; 3390 3391 bytes[0] = CSI; 3392 bytes[1] = KS_MENU; 3393 bytes[2] = KE_FILLER; 3394 add_to_input_buf(bytes, 3); 3395 add_long_to_buf((long_u)menu, bytes); 3396 add_to_input_buf_csi(bytes, sizeof(long_u)); 3397 } 3398 #endif 3399 3400 static int prev_which_scrollbars[3]; 3401 3402 /* 3403 * Set which components are present. 3404 * If "oldval" is not NULL, "oldval" is the previous value, the new value is 3405 * in p_go. 3406 */ 3407 void 3408 gui_init_which_components(char_u *oldval UNUSED) 3409 { 3410 #ifdef FEAT_GUI_DARKTHEME 3411 static int prev_dark_theme = -1; 3412 int using_dark_theme = FALSE; 3413 #endif 3414 #ifdef FEAT_MENU 3415 static int prev_menu_is_active = -1; 3416 #endif 3417 #ifdef FEAT_TOOLBAR 3418 static int prev_toolbar = -1; 3419 int using_toolbar = FALSE; 3420 #endif 3421 #ifdef FEAT_GUI_TABLINE 3422 int using_tabline; 3423 #endif 3424 #ifdef FEAT_FOOTER 3425 static int prev_footer = -1; 3426 int using_footer = FALSE; 3427 #endif 3428 #if defined(FEAT_MENU) 3429 static int prev_tearoff = -1; 3430 int using_tearoff = FALSE; 3431 #endif 3432 3433 char_u *p; 3434 int i; 3435 #ifdef FEAT_MENU 3436 int grey_old, grey_new; 3437 char_u *temp; 3438 #endif 3439 win_T *wp; 3440 int need_set_size; 3441 int fix_size; 3442 3443 #ifdef FEAT_MENU 3444 if (oldval != NULL && gui.in_use) 3445 { 3446 /* 3447 * Check if the menus go from grey to non-grey or vice versa. 3448 */ 3449 grey_old = (vim_strchr(oldval, GO_GREY) != NULL); 3450 grey_new = (vim_strchr(p_go, GO_GREY) != NULL); 3451 if (grey_old != grey_new) 3452 { 3453 temp = p_go; 3454 p_go = oldval; 3455 gui_update_menus(MENU_ALL_MODES); 3456 p_go = temp; 3457 } 3458 } 3459 gui.menu_is_active = FALSE; 3460 #endif 3461 3462 for (i = 0; i < 3; i++) 3463 gui.which_scrollbars[i] = FALSE; 3464 for (p = p_go; *p; p++) 3465 switch (*p) 3466 { 3467 case GO_LEFT: 3468 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3469 break; 3470 case GO_RIGHT: 3471 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3472 break; 3473 case GO_VLEFT: 3474 if (win_hasvertsplit()) 3475 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3476 break; 3477 case GO_VRIGHT: 3478 if (win_hasvertsplit()) 3479 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3480 break; 3481 case GO_BOT: 3482 gui.which_scrollbars[SBAR_BOTTOM] = TRUE; 3483 break; 3484 #ifdef FEAT_GUI_DARKTHEME 3485 case GO_DARKTHEME: 3486 using_dark_theme = TRUE; 3487 break; 3488 #endif 3489 #ifdef FEAT_MENU 3490 case GO_MENUS: 3491 gui.menu_is_active = TRUE; 3492 break; 3493 #endif 3494 case GO_GREY: 3495 // make menu's have grey items, ignored here 3496 break; 3497 #ifdef FEAT_TOOLBAR 3498 case GO_TOOLBAR: 3499 using_toolbar = TRUE; 3500 break; 3501 #endif 3502 #ifdef FEAT_FOOTER 3503 case GO_FOOTER: 3504 using_footer = TRUE; 3505 break; 3506 #endif 3507 case GO_TEAROFF: 3508 #if defined(FEAT_MENU) 3509 using_tearoff = TRUE; 3510 #endif 3511 break; 3512 default: 3513 // Ignore options that are not supported 3514 break; 3515 } 3516 3517 if (gui.in_use) 3518 { 3519 need_set_size = 0; 3520 fix_size = FALSE; 3521 3522 #ifdef FEAT_GUI_DARKTHEME 3523 if (using_dark_theme != prev_dark_theme) 3524 { 3525 gui_mch_set_dark_theme(using_dark_theme); 3526 prev_dark_theme = using_dark_theme; 3527 } 3528 #endif 3529 3530 #ifdef FEAT_GUI_TABLINE 3531 // Update the GUI tab line, it may appear or disappear. This may 3532 // cause the non-GUI tab line to disappear or appear. 3533 using_tabline = gui_has_tabline(); 3534 if (!gui_mch_showing_tabline() != !using_tabline) 3535 { 3536 // We don't want a resize event change "Rows" here, save and 3537 // restore it. Resizing is handled below. 3538 i = Rows; 3539 gui_update_tabline(); 3540 Rows = i; 3541 need_set_size |= RESIZE_VERT; 3542 if (using_tabline) 3543 fix_size = TRUE; 3544 if (!gui_use_tabline()) 3545 redraw_tabline = TRUE; // may draw non-GUI tab line 3546 } 3547 #endif 3548 3549 for (i = 0; i < 3; i++) 3550 { 3551 // The scrollbar needs to be updated when it is shown/unshown and 3552 // when switching tab pages. But the size only changes when it's 3553 // shown/unshown. Thus we need two places to remember whether a 3554 // scrollbar is there or not. 3555 if (gui.which_scrollbars[i] != prev_which_scrollbars[i] 3556 || gui.which_scrollbars[i] 3557 != curtab->tp_prev_which_scrollbars[i]) 3558 { 3559 if (i == SBAR_BOTTOM) 3560 gui_mch_enable_scrollbar(&gui.bottom_sbar, 3561 gui.which_scrollbars[i]); 3562 else 3563 { 3564 FOR_ALL_WINDOWS(wp) 3565 gui_do_scrollbar(wp, i, gui.which_scrollbars[i]); 3566 } 3567 if (gui.which_scrollbars[i] != prev_which_scrollbars[i]) 3568 { 3569 if (i == SBAR_BOTTOM) 3570 need_set_size |= RESIZE_VERT; 3571 else 3572 need_set_size |= RESIZE_HOR; 3573 if (gui.which_scrollbars[i]) 3574 fix_size = TRUE; 3575 } 3576 } 3577 curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3578 prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3579 } 3580 3581 #ifdef FEAT_MENU 3582 if (gui.menu_is_active != prev_menu_is_active) 3583 { 3584 // We don't want a resize event change "Rows" here, save and 3585 // restore it. Resizing is handled below. 3586 i = Rows; 3587 gui_mch_enable_menu(gui.menu_is_active); 3588 Rows = i; 3589 prev_menu_is_active = gui.menu_is_active; 3590 need_set_size |= RESIZE_VERT; 3591 if (gui.menu_is_active) 3592 fix_size = TRUE; 3593 } 3594 #endif 3595 3596 #ifdef FEAT_TOOLBAR 3597 if (using_toolbar != prev_toolbar) 3598 { 3599 gui_mch_show_toolbar(using_toolbar); 3600 prev_toolbar = using_toolbar; 3601 need_set_size |= RESIZE_VERT; 3602 if (using_toolbar) 3603 fix_size = TRUE; 3604 } 3605 #endif 3606 #ifdef FEAT_FOOTER 3607 if (using_footer != prev_footer) 3608 { 3609 gui_mch_enable_footer(using_footer); 3610 prev_footer = using_footer; 3611 need_set_size |= RESIZE_VERT; 3612 if (using_footer) 3613 fix_size = TRUE; 3614 } 3615 #endif 3616 #if defined(FEAT_MENU) && !(defined(MSWIN) && !defined(FEAT_TEAROFF)) 3617 if (using_tearoff != prev_tearoff) 3618 { 3619 gui_mch_toggle_tearoffs(using_tearoff); 3620 prev_tearoff = using_tearoff; 3621 } 3622 #endif 3623 if (need_set_size != 0) 3624 { 3625 #ifdef FEAT_GUI_GTK 3626 long prev_Columns = Columns; 3627 long prev_Rows = Rows; 3628 #endif 3629 // Adjust the size of the window to make the text area keep the 3630 // same size and to avoid that part of our window is off-screen 3631 // and a scrollbar can't be used, for example. 3632 gui_set_shellsize(FALSE, fix_size, need_set_size); 3633 3634 #ifdef FEAT_GUI_GTK 3635 // GTK has the annoying habit of sending us resize events when 3636 // changing the window size ourselves. This mostly happens when 3637 // waiting for a character to arrive, quite unpredictably, and may 3638 // change Columns and Rows when we don't want it. Wait for a 3639 // character here to avoid this effect. 3640 // If you remove this, please test this command for resizing 3641 // effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q". 3642 // Don't do this while starting up though. 3643 // Don't change Rows when adding menu/toolbar/tabline. 3644 // Don't change Columns when adding vertical toolbar. 3645 if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR)) 3646 (void)char_avail(); 3647 if ((need_set_size & RESIZE_VERT) == 0) 3648 Rows = prev_Rows; 3649 if ((need_set_size & RESIZE_HOR) == 0) 3650 Columns = prev_Columns; 3651 #endif 3652 } 3653 // When the console tabline appears or disappears the window positions 3654 // change. 3655 if (firstwin->w_winrow != tabline_height()) 3656 shell_new_rows(); // recompute window positions and heights 3657 } 3658 } 3659 3660 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 3661 /* 3662 * Return TRUE if the GUI is taking care of the tabline. 3663 * It may still be hidden if 'showtabline' is zero. 3664 */ 3665 int 3666 gui_use_tabline(void) 3667 { 3668 return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL; 3669 } 3670 3671 /* 3672 * Return TRUE if the GUI is showing the tabline. 3673 * This uses 'showtabline'. 3674 */ 3675 static int 3676 gui_has_tabline(void) 3677 { 3678 if (!gui_use_tabline() 3679 || p_stal == 0 3680 || (p_stal == 1 && first_tabpage->tp_next == NULL)) 3681 return FALSE; 3682 return TRUE; 3683 } 3684 3685 /* 3686 * Update the tabline. 3687 * This may display/undisplay the tabline and update the labels. 3688 */ 3689 void 3690 gui_update_tabline(void) 3691 { 3692 int showit = gui_has_tabline(); 3693 int shown = gui_mch_showing_tabline(); 3694 3695 if (!gui.starting && starting == 0) 3696 { 3697 // Updating the tabline uses direct GUI commands, flush 3698 // outstanding instructions first. (esp. clear screen) 3699 out_flush(); 3700 3701 if (!showit != !shown) 3702 gui_mch_show_tabline(showit); 3703 if (showit != 0) 3704 gui_mch_update_tabline(); 3705 3706 // When the tabs change from hidden to shown or from shown to 3707 // hidden the size of the text area should remain the same. 3708 if (!showit != !shown) 3709 gui_set_shellsize(FALSE, showit, RESIZE_VERT); 3710 } 3711 } 3712 3713 /* 3714 * Get the label or tooltip for tab page "tp" into NameBuff[]. 3715 */ 3716 void 3717 get_tabline_label( 3718 tabpage_T *tp, 3719 int tooltip) // TRUE: get tooltip 3720 { 3721 int modified = FALSE; 3722 char_u buf[40]; 3723 int wincount; 3724 win_T *wp; 3725 char_u **opt; 3726 3727 // Use 'guitablabel' or 'guitabtooltip' if it's set. 3728 opt = (tooltip ? &p_gtt : &p_gtl); 3729 if (**opt != NUL) 3730 { 3731 int use_sandbox = FALSE; 3732 int called_emsg_before = called_emsg; 3733 char_u res[MAXPATHL]; 3734 tabpage_T *save_curtab; 3735 char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip" 3736 : "guitablabel"); 3737 3738 printer_page_num = tabpage_index(tp); 3739 # ifdef FEAT_EVAL 3740 set_vim_var_nr(VV_LNUM, printer_page_num); 3741 use_sandbox = was_set_insecurely(opt_name, 0); 3742 # endif 3743 // It's almost as going to the tabpage, but without autocommands. 3744 curtab->tp_firstwin = firstwin; 3745 curtab->tp_lastwin = lastwin; 3746 curtab->tp_curwin = curwin; 3747 save_curtab = curtab; 3748 curtab = tp; 3749 topframe = curtab->tp_topframe; 3750 firstwin = curtab->tp_firstwin; 3751 lastwin = curtab->tp_lastwin; 3752 curwin = curtab->tp_curwin; 3753 curbuf = curwin->w_buffer; 3754 3755 // Can't use NameBuff directly, build_stl_str_hl() uses it. 3756 build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox, 3757 0, (int)Columns, NULL, NULL); 3758 STRCPY(NameBuff, res); 3759 3760 // Back to the original curtab. 3761 curtab = save_curtab; 3762 topframe = curtab->tp_topframe; 3763 firstwin = curtab->tp_firstwin; 3764 lastwin = curtab->tp_lastwin; 3765 curwin = curtab->tp_curwin; 3766 curbuf = curwin->w_buffer; 3767 3768 if (called_emsg > called_emsg_before) 3769 set_string_option_direct(opt_name, -1, 3770 (char_u *)"", OPT_FREE, SID_ERROR); 3771 } 3772 3773 // If 'guitablabel'/'guitabtooltip' is not set or the result is empty then 3774 // use a default label. 3775 if (**opt == NUL || *NameBuff == NUL) 3776 { 3777 // Get the buffer name into NameBuff[] and shorten it. 3778 get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer); 3779 if (!tooltip) 3780 shorten_dir(NameBuff); 3781 3782 wp = (tp == curtab) ? firstwin : tp->tp_firstwin; 3783 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount) 3784 if (bufIsChanged(wp->w_buffer)) 3785 modified = TRUE; 3786 if (modified || wincount > 1) 3787 { 3788 if (wincount > 1) 3789 vim_snprintf((char *)buf, sizeof(buf), "%d", wincount); 3790 else 3791 buf[0] = NUL; 3792 if (modified) 3793 STRCAT(buf, "+"); 3794 STRCAT(buf, " "); 3795 STRMOVE(NameBuff + STRLEN(buf), NameBuff); 3796 mch_memmove(NameBuff, buf, STRLEN(buf)); 3797 } 3798 } 3799 } 3800 3801 /* 3802 * Send the event for clicking to select tab page "nr". 3803 * Returns TRUE if it was done, FALSE when skipped because we are already at 3804 * that tab page or the cmdline window is open. 3805 */ 3806 int 3807 send_tabline_event(int nr) 3808 { 3809 char_u string[3]; 3810 3811 if (nr == tabpage_index(curtab)) 3812 return FALSE; 3813 3814 // Don't put events in the input queue now. 3815 if (hold_gui_events 3816 # ifdef FEAT_CMDWIN 3817 || cmdwin_type != 0 3818 # endif 3819 ) 3820 { 3821 // Set it back to the current tab page. 3822 gui_mch_set_curtab(tabpage_index(curtab)); 3823 return FALSE; 3824 } 3825 3826 string[0] = CSI; 3827 string[1] = KS_TABLINE; 3828 string[2] = KE_FILLER; 3829 add_to_input_buf(string, 3); 3830 string[0] = nr; 3831 add_to_input_buf_csi(string, 1); 3832 return TRUE; 3833 } 3834 3835 /* 3836 * Send a tabline menu event 3837 */ 3838 void 3839 send_tabline_menu_event(int tabidx, int event) 3840 { 3841 char_u string[3]; 3842 3843 // Don't put events in the input queue now. 3844 if (hold_gui_events) 3845 return; 3846 3847 // Cannot close the last tabpage. 3848 if (event == TABLINE_MENU_CLOSE && first_tabpage->tp_next == NULL) 3849 return; 3850 3851 string[0] = CSI; 3852 string[1] = KS_TABMENU; 3853 string[2] = KE_FILLER; 3854 add_to_input_buf(string, 3); 3855 string[0] = tabidx; 3856 string[1] = (char_u)(long)event; 3857 add_to_input_buf_csi(string, 2); 3858 } 3859 3860 #endif 3861 3862 /* 3863 * Scrollbar stuff: 3864 */ 3865 3866 /* 3867 * Remove all scrollbars. Used before switching to another tab page. 3868 */ 3869 void 3870 gui_remove_scrollbars(void) 3871 { 3872 int i; 3873 win_T *wp; 3874 3875 for (i = 0; i < 3; i++) 3876 { 3877 if (i == SBAR_BOTTOM) 3878 gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE); 3879 else 3880 { 3881 FOR_ALL_WINDOWS(wp) 3882 gui_do_scrollbar(wp, i, FALSE); 3883 } 3884 curtab->tp_prev_which_scrollbars[i] = -1; 3885 } 3886 } 3887 3888 void 3889 gui_create_scrollbar(scrollbar_T *sb, int type, win_T *wp) 3890 { 3891 static int sbar_ident = 0; 3892 3893 sb->ident = sbar_ident++; // No check for too big, but would it happen? 3894 sb->wp = wp; 3895 sb->type = type; 3896 sb->value = 0; 3897 #ifdef FEAT_GUI_ATHENA 3898 sb->pixval = 0; 3899 #endif 3900 sb->size = 1; 3901 sb->max = 1; 3902 sb->top = 0; 3903 sb->height = 0; 3904 sb->width = 0; 3905 sb->status_height = 0; 3906 gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT); 3907 } 3908 3909 /* 3910 * Find the scrollbar with the given index. 3911 */ 3912 scrollbar_T * 3913 gui_find_scrollbar(long ident) 3914 { 3915 win_T *wp; 3916 3917 if (gui.bottom_sbar.ident == ident) 3918 return &gui.bottom_sbar; 3919 FOR_ALL_WINDOWS(wp) 3920 { 3921 if (wp->w_scrollbars[SBAR_LEFT].ident == ident) 3922 return &wp->w_scrollbars[SBAR_LEFT]; 3923 if (wp->w_scrollbars[SBAR_RIGHT].ident == ident) 3924 return &wp->w_scrollbars[SBAR_RIGHT]; 3925 } 3926 return NULL; 3927 } 3928 3929 /* 3930 * For most systems: Put a code in the input buffer for a dragged scrollbar. 3931 * 3932 * For Win32, Macintosh and GTK+ 2: 3933 * Scrollbars seem to grab focus and vim doesn't read the input queue until 3934 * you stop dragging the scrollbar. We get here each time the scrollbar is 3935 * dragged another pixel, but as far as the rest of vim goes, it thinks 3936 * we're just hanging in the call to DispatchMessage() in 3937 * process_message(). The DispatchMessage() call that hangs was passed a 3938 * mouse button click event in the scrollbar window. -- webb. 3939 * 3940 * Solution: Do the scrolling right here. But only when allowed. 3941 * Ignore the scrollbars while executing an external command or when there 3942 * are still characters to be processed. 3943 */ 3944 void 3945 gui_drag_scrollbar(scrollbar_T *sb, long value, int still_dragging) 3946 { 3947 win_T *wp; 3948 int sb_num; 3949 #ifdef USE_ON_FLY_SCROLL 3950 colnr_T old_leftcol = curwin->w_leftcol; 3951 linenr_T old_topline = curwin->w_topline; 3952 # ifdef FEAT_DIFF 3953 int old_topfill = curwin->w_topfill; 3954 # endif 3955 #else 3956 char_u bytes[sizeof(long_u)]; 3957 int byte_count; 3958 #endif 3959 3960 if (sb == NULL) 3961 return; 3962 3963 // Don't put events in the input queue now. 3964 if (hold_gui_events) 3965 return; 3966 3967 #ifdef FEAT_CMDWIN 3968 if (cmdwin_type != 0 && sb->wp != curwin) 3969 return; 3970 #endif 3971 3972 if (still_dragging) 3973 { 3974 if (sb->wp == NULL) 3975 gui.dragged_sb = SBAR_BOTTOM; 3976 else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT]) 3977 gui.dragged_sb = SBAR_LEFT; 3978 else 3979 gui.dragged_sb = SBAR_RIGHT; 3980 gui.dragged_wp = sb->wp; 3981 } 3982 else 3983 { 3984 gui.dragged_sb = SBAR_NONE; 3985 #ifdef FEAT_GUI_GTK 3986 // Keep the "dragged_wp" value until after the scrolling, for when the 3987 // mouse button is released. GTK2 doesn't send the button-up event. 3988 gui.dragged_wp = NULL; 3989 #endif 3990 } 3991 3992 // Vertical sbar info is kept in the first sbar (the left one) 3993 if (sb->wp != NULL) 3994 sb = &sb->wp->w_scrollbars[0]; 3995 3996 /* 3997 * Check validity of value 3998 */ 3999 if (value < 0) 4000 value = 0; 4001 #ifdef SCROLL_PAST_END 4002 else if (value > sb->max) 4003 value = sb->max; 4004 #else 4005 if (value > sb->max - sb->size + 1) 4006 value = sb->max - sb->size + 1; 4007 #endif 4008 4009 sb->value = value; 4010 4011 #ifdef USE_ON_FLY_SCROLL 4012 // When not allowed to do the scrolling right now, return. 4013 // This also checked input_available(), but that causes the first click in 4014 // a scrollbar to be ignored when Vim doesn't have focus. 4015 if (dont_scroll) 4016 return; 4017 #endif 4018 // Disallow scrolling the current window when the completion popup menu is 4019 // visible. 4020 if ((sb->wp == NULL || sb->wp == curwin) && pum_visible()) 4021 return; 4022 4023 #ifdef FEAT_RIGHTLEFT 4024 if (sb->wp == NULL && curwin->w_p_rl) 4025 { 4026 value = sb->max + 1 - sb->size - value; 4027 if (value < 0) 4028 value = 0; 4029 } 4030 #endif 4031 4032 if (sb->wp != NULL) // vertical scrollbar 4033 { 4034 sb_num = 0; 4035 for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next) 4036 sb_num++; 4037 if (wp == NULL) 4038 return; 4039 4040 #ifdef USE_ON_FLY_SCROLL 4041 current_scrollbar = sb_num; 4042 scrollbar_value = value; 4043 if (State & NORMAL) 4044 { 4045 gui_do_scroll(); 4046 setcursor(); 4047 } 4048 else if (State & INSERT) 4049 { 4050 ins_scroll(); 4051 setcursor(); 4052 } 4053 else if (State & CMDLINE) 4054 { 4055 if (msg_scrolled == 0) 4056 { 4057 gui_do_scroll(); 4058 redrawcmdline(); 4059 } 4060 } 4061 # ifdef FEAT_FOLDING 4062 // Value may have been changed for closed fold. 4063 sb->value = sb->wp->w_topline - 1; 4064 # endif 4065 4066 // When dragging one scrollbar and there is another one at the other 4067 // side move the thumb of that one too. 4068 if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT]) 4069 gui_mch_set_scrollbar_thumb( 4070 &sb->wp->w_scrollbars[ 4071 sb == &sb->wp->w_scrollbars[SBAR_RIGHT] 4072 ? SBAR_LEFT : SBAR_RIGHT], 4073 sb->value, sb->size, sb->max); 4074 4075 #else 4076 bytes[0] = CSI; 4077 bytes[1] = KS_VER_SCROLLBAR; 4078 bytes[2] = KE_FILLER; 4079 bytes[3] = (char_u)sb_num; 4080 byte_count = 4; 4081 #endif 4082 } 4083 else 4084 { 4085 #ifdef USE_ON_FLY_SCROLL 4086 scrollbar_value = value; 4087 4088 if (State & NORMAL) 4089 gui_do_horiz_scroll(scrollbar_value, FALSE); 4090 else if (State & INSERT) 4091 ins_horscroll(); 4092 else if (State & CMDLINE) 4093 { 4094 if (msg_scrolled == 0) 4095 { 4096 gui_do_horiz_scroll(scrollbar_value, FALSE); 4097 redrawcmdline(); 4098 } 4099 } 4100 if (old_leftcol != curwin->w_leftcol) 4101 { 4102 updateWindow(curwin); // update window, status and cmdline 4103 setcursor(); 4104 } 4105 #else 4106 bytes[0] = CSI; 4107 bytes[1] = KS_HOR_SCROLLBAR; 4108 bytes[2] = KE_FILLER; 4109 byte_count = 3; 4110 #endif 4111 } 4112 4113 #ifdef USE_ON_FLY_SCROLL 4114 /* 4115 * synchronize other windows, as necessary according to 'scrollbind' 4116 */ 4117 if (curwin->w_p_scb 4118 && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol) 4119 || (sb->wp == curwin && (curwin->w_topline != old_topline 4120 # ifdef FEAT_DIFF 4121 || curwin->w_topfill != old_topfill 4122 # endif 4123 )))) 4124 { 4125 do_check_scrollbind(TRUE); 4126 // need to update the window right here 4127 FOR_ALL_WINDOWS(wp) 4128 if (wp->w_redr_type > 0) 4129 updateWindow(wp); 4130 setcursor(); 4131 } 4132 out_flush_cursor(FALSE, TRUE); 4133 #else 4134 add_to_input_buf(bytes, byte_count); 4135 add_long_to_buf((long_u)value, bytes); 4136 add_to_input_buf_csi(bytes, sizeof(long_u)); 4137 #endif 4138 } 4139 4140 /* 4141 * Scrollbar stuff: 4142 */ 4143 4144 /* 4145 * Called when something in the window layout has changed. 4146 */ 4147 void 4148 gui_may_update_scrollbars(void) 4149 { 4150 if (gui.in_use && starting == 0) 4151 { 4152 out_flush(); 4153 gui_init_which_components(NULL); 4154 gui_update_scrollbars(TRUE); 4155 } 4156 need_mouse_correct = TRUE; 4157 } 4158 4159 void 4160 gui_update_scrollbars( 4161 int force) // Force all scrollbars to get updated 4162 { 4163 win_T *wp; 4164 scrollbar_T *sb; 4165 long val, size, max; // need 32 bits here 4166 int which_sb; 4167 int h, y; 4168 static win_T *prev_curwin = NULL; 4169 4170 // Update the horizontal scrollbar 4171 gui_update_horiz_scrollbar(force); 4172 4173 #ifndef MSWIN 4174 // Return straight away if there is neither a left nor right scrollbar. 4175 // On MS-Windows this is required anyway for scrollwheel messages. 4176 if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT]) 4177 return; 4178 #endif 4179 4180 /* 4181 * Don't want to update a scrollbar while we're dragging it. But if we 4182 * have both a left and right scrollbar, and we drag one of them, we still 4183 * need to update the other one. 4184 */ 4185 if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT) 4186 && gui.which_scrollbars[SBAR_LEFT] 4187 && gui.which_scrollbars[SBAR_RIGHT]) 4188 { 4189 /* 4190 * If we have two scrollbars and one of them is being dragged, just 4191 * copy the scrollbar position from the dragged one to the other one. 4192 */ 4193 which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb; 4194 if (gui.dragged_wp != NULL) 4195 gui_mch_set_scrollbar_thumb( 4196 &gui.dragged_wp->w_scrollbars[which_sb], 4197 gui.dragged_wp->w_scrollbars[0].value, 4198 gui.dragged_wp->w_scrollbars[0].size, 4199 gui.dragged_wp->w_scrollbars[0].max); 4200 } 4201 4202 // avoid that moving components around generates events 4203 ++hold_gui_events; 4204 4205 FOR_ALL_WINDOWS(wp) 4206 { 4207 if (wp->w_buffer == NULL) // just in case 4208 continue; 4209 // Skip a scrollbar that is being dragged. 4210 if (!force && (gui.dragged_sb == SBAR_LEFT 4211 || gui.dragged_sb == SBAR_RIGHT) 4212 && gui.dragged_wp == wp) 4213 continue; 4214 4215 #ifdef SCROLL_PAST_END 4216 max = wp->w_buffer->b_ml.ml_line_count - 1; 4217 #else 4218 max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2; 4219 #endif 4220 if (max < 0) // empty buffer 4221 max = 0; 4222 val = wp->w_topline - 1; 4223 size = wp->w_height; 4224 #ifdef SCROLL_PAST_END 4225 if (val > max) // just in case 4226 val = max; 4227 #else 4228 if (size > max + 1) // just in case 4229 size = max + 1; 4230 if (val > max - size + 1) 4231 val = max - size + 1; 4232 #endif 4233 if (val < 0) // minimal value is 0 4234 val = 0; 4235 4236 /* 4237 * Scrollbar at index 0 (the left one) contains all the information. 4238 * It would be the same info for left and right so we just store it for 4239 * one of them. 4240 */ 4241 sb = &wp->w_scrollbars[0]; 4242 4243 /* 4244 * Note: no check for valid w_botline. If it's not valid the 4245 * scrollbars will be updated later anyway. 4246 */ 4247 if (size < 1 || wp->w_botline - 2 > max) 4248 { 4249 /* 4250 * This can happen during changing files. Just don't update the 4251 * scrollbar for now. 4252 */ 4253 sb->height = 0; // Force update next time 4254 if (gui.which_scrollbars[SBAR_LEFT]) 4255 gui_do_scrollbar(wp, SBAR_LEFT, FALSE); 4256 if (gui.which_scrollbars[SBAR_RIGHT]) 4257 gui_do_scrollbar(wp, SBAR_RIGHT, FALSE); 4258 continue; 4259 } 4260 if (force || sb->height != wp->w_height 4261 || sb->top != wp->w_winrow 4262 || sb->status_height != wp->w_status_height 4263 || sb->width != wp->w_width 4264 || prev_curwin != curwin) 4265 { 4266 // Height, width or position of scrollbar has changed. For 4267 // vertical split: curwin changed. 4268 sb->height = wp->w_height; 4269 sb->top = wp->w_winrow; 4270 sb->status_height = wp->w_status_height; 4271 sb->width = wp->w_width; 4272 4273 // Calculate height and position in pixels 4274 h = (sb->height + sb->status_height) * gui.char_height; 4275 y = sb->top * gui.char_height + gui.border_offset; 4276 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON) 4277 if (gui.menu_is_active) 4278 y += gui.menu_height; 4279 #endif 4280 4281 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA) \ 4282 || defined(FEAT_GUI_HAIKU)) 4283 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 4284 # if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_HAIKU) 4285 y += gui.toolbar_height; 4286 # else 4287 # ifdef FEAT_GUI_MSWIN 4288 y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 4289 # endif 4290 # endif 4291 #endif 4292 4293 #if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_HAIKU) 4294 if (gui_has_tabline()) 4295 y += gui.tabline_height; 4296 #endif 4297 4298 if (wp->w_winrow == 0) 4299 { 4300 // Height of top scrollbar includes width of top border 4301 h += gui.border_offset; 4302 y -= gui.border_offset; 4303 } 4304 if (gui.which_scrollbars[SBAR_LEFT]) 4305 { 4306 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT], 4307 gui.left_sbar_x, y, 4308 gui.scrollbar_width, h); 4309 gui_do_scrollbar(wp, SBAR_LEFT, TRUE); 4310 } 4311 if (gui.which_scrollbars[SBAR_RIGHT]) 4312 { 4313 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT], 4314 gui.right_sbar_x, y, 4315 gui.scrollbar_width, h); 4316 gui_do_scrollbar(wp, SBAR_RIGHT, TRUE); 4317 } 4318 } 4319 4320 // Reduce the number of calls to gui_mch_set_scrollbar_thumb() by 4321 // checking if the thumb moved at least a pixel. Only do this for 4322 // Athena, most other GUIs require the update anyway to make the 4323 // arrows work. 4324 #ifdef FEAT_GUI_ATHENA 4325 if (max == 0) 4326 y = 0; 4327 else 4328 y = (val * (sb->height + 2) * gui.char_height + max / 2) / max; 4329 if (force || sb->pixval != y || sb->size != size || sb->max != max) 4330 #else 4331 if (force || sb->value != val || sb->size != size || sb->max != max) 4332 #endif 4333 { 4334 // Thumb of scrollbar has moved 4335 sb->value = val; 4336 #ifdef FEAT_GUI_ATHENA 4337 sb->pixval = y; 4338 #endif 4339 sb->size = size; 4340 sb->max = max; 4341 if (gui.which_scrollbars[SBAR_LEFT] 4342 && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp)) 4343 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT], 4344 val, size, max); 4345 if (gui.which_scrollbars[SBAR_RIGHT] 4346 && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp)) 4347 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT], 4348 val, size, max); 4349 } 4350 } 4351 prev_curwin = curwin; 4352 --hold_gui_events; 4353 } 4354 4355 /* 4356 * Enable or disable a scrollbar. 4357 * Check for scrollbars for vertically split windows which are not enabled 4358 * sometimes. 4359 */ 4360 static void 4361 gui_do_scrollbar( 4362 win_T *wp, 4363 int which, // SBAR_LEFT or SBAR_RIGHT 4364 int enable) // TRUE to enable scrollbar 4365 { 4366 int midcol = curwin->w_wincol + curwin->w_width / 2; 4367 int has_midcol = (wp->w_wincol <= midcol 4368 && wp->w_wincol + wp->w_width >= midcol); 4369 4370 // Only enable scrollbars that contain the middle column of the current 4371 // window. 4372 if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT]) 4373 { 4374 // Scrollbars only on one side. Don't enable scrollbars that don't 4375 // contain the middle column of the current window. 4376 if (!has_midcol) 4377 enable = FALSE; 4378 } 4379 else 4380 { 4381 // Scrollbars on both sides. Don't enable scrollbars that neither 4382 // contain the middle column of the current window nor are on the far 4383 // side. 4384 if (midcol > Columns / 2) 4385 { 4386 if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol) 4387 enable = FALSE; 4388 } 4389 else 4390 { 4391 if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns 4392 : !has_midcol) 4393 enable = FALSE; 4394 } 4395 } 4396 gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable); 4397 } 4398 4399 /* 4400 * Scroll a window according to the values set in the globals current_scrollbar 4401 * and scrollbar_value. Return TRUE if the cursor in the current window moved 4402 * or FALSE otherwise. 4403 */ 4404 int 4405 gui_do_scroll(void) 4406 { 4407 win_T *wp, *save_wp; 4408 int i; 4409 long nlines; 4410 pos_T old_cursor; 4411 linenr_T old_topline; 4412 #ifdef FEAT_DIFF 4413 int old_topfill; 4414 #endif 4415 4416 for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++) 4417 if (wp == NULL) 4418 break; 4419 if (wp == NULL) 4420 // Couldn't find window 4421 return FALSE; 4422 4423 /* 4424 * Compute number of lines to scroll. If zero, nothing to do. 4425 */ 4426 nlines = (long)scrollbar_value + 1 - (long)wp->w_topline; 4427 if (nlines == 0) 4428 return FALSE; 4429 4430 save_wp = curwin; 4431 old_topline = wp->w_topline; 4432 #ifdef FEAT_DIFF 4433 old_topfill = wp->w_topfill; 4434 #endif 4435 old_cursor = wp->w_cursor; 4436 curwin = wp; 4437 curbuf = wp->w_buffer; 4438 if (nlines < 0) 4439 scrolldown(-nlines, gui.dragged_wp == NULL); 4440 else 4441 scrollup(nlines, gui.dragged_wp == NULL); 4442 // Reset dragged_wp after using it. "dragged_sb" will have been reset for 4443 // the mouse-up event already, but we still want it to behave like when 4444 // dragging. But not the next click in an arrow. 4445 if (gui.dragged_sb == SBAR_NONE) 4446 gui.dragged_wp = NULL; 4447 4448 if (old_topline != wp->w_topline 4449 #ifdef FEAT_DIFF 4450 || old_topfill != wp->w_topfill 4451 #endif 4452 ) 4453 { 4454 if (get_scrolloff_value() != 0) 4455 { 4456 cursor_correct(); // fix window for 'so' 4457 update_topline(); // avoid up/down jump 4458 } 4459 if (old_cursor.lnum != wp->w_cursor.lnum) 4460 coladvance(wp->w_curswant); 4461 wp->w_scbind_pos = wp->w_topline; 4462 } 4463 4464 // Make sure wp->w_leftcol and wp->w_skipcol are correct. 4465 validate_cursor(); 4466 4467 curwin = save_wp; 4468 curbuf = save_wp->w_buffer; 4469 4470 /* 4471 * Don't call updateWindow() when nothing has changed (it will overwrite 4472 * the status line!). 4473 */ 4474 if (old_topline != wp->w_topline 4475 || wp->w_redr_type != 0 4476 #ifdef FEAT_DIFF 4477 || old_topfill != wp->w_topfill 4478 #endif 4479 ) 4480 { 4481 int type = VALID; 4482 4483 if (pum_visible()) 4484 { 4485 type = NOT_VALID; 4486 wp->w_lines_valid = 0; 4487 } 4488 4489 // Don't set must_redraw here, it may cause the popup menu to 4490 // disappear when losing focus after a scrollbar drag. 4491 if (wp->w_redr_type < type) 4492 wp->w_redr_type = type; 4493 mch_disable_flush(); 4494 updateWindow(wp); // update window, status line, and cmdline 4495 mch_enable_flush(); 4496 } 4497 4498 // May need to redraw the popup menu. 4499 if (pum_visible()) 4500 pum_redraw(); 4501 4502 return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor)); 4503 } 4504 4505 4506 /* 4507 * Horizontal scrollbar stuff: 4508 */ 4509 4510 /* 4511 * Return length of line "lnum" for horizontal scrolling. 4512 */ 4513 static colnr_T 4514 scroll_line_len(linenr_T lnum) 4515 { 4516 char_u *p; 4517 colnr_T col; 4518 int w; 4519 4520 p = ml_get(lnum); 4521 col = 0; 4522 if (*p != NUL) 4523 for (;;) 4524 { 4525 w = chartabsize(p, col); 4526 MB_PTR_ADV(p); 4527 if (*p == NUL) // don't count the last character 4528 break; 4529 col += w; 4530 } 4531 return col; 4532 } 4533 4534 // Remember which line is currently the longest, so that we don't have to 4535 // search for it when scrolling horizontally. 4536 static linenr_T longest_lnum = 0; 4537 4538 /* 4539 * Find longest visible line number. If this is not possible (or not desired, 4540 * by setting 'h' in "guioptions") then the current line number is returned. 4541 */ 4542 static linenr_T 4543 gui_find_longest_lnum(void) 4544 { 4545 linenr_T ret = 0; 4546 4547 // Calculate maximum for horizontal scrollbar. Check for reasonable 4548 // line numbers, topline and botline can be invalid when displaying is 4549 // postponed. 4550 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4551 && curwin->w_topline <= curwin->w_cursor.lnum 4552 && curwin->w_botline > curwin->w_cursor.lnum 4553 && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1) 4554 { 4555 linenr_T lnum; 4556 colnr_T n; 4557 long max = 0; 4558 4559 // Use maximum of all visible lines. Remember the lnum of the 4560 // longest line, closest to the cursor line. Used when scrolling 4561 // below. 4562 for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum) 4563 { 4564 n = scroll_line_len(lnum); 4565 if (n > (colnr_T)max) 4566 { 4567 max = n; 4568 ret = lnum; 4569 } 4570 else if (n == (colnr_T)max 4571 && abs((int)(lnum - curwin->w_cursor.lnum)) 4572 < abs((int)(ret - curwin->w_cursor.lnum))) 4573 ret = lnum; 4574 } 4575 } 4576 else 4577 // Use cursor line only. 4578 ret = curwin->w_cursor.lnum; 4579 4580 return ret; 4581 } 4582 4583 static void 4584 gui_update_horiz_scrollbar(int force) 4585 { 4586 long value, size, max; // need 32 bit ints here 4587 4588 if (!gui.which_scrollbars[SBAR_BOTTOM]) 4589 return; 4590 4591 if (!force && gui.dragged_sb == SBAR_BOTTOM) 4592 return; 4593 4594 if (!force && curwin->w_p_wrap && gui.prev_wrap) 4595 return; 4596 4597 /* 4598 * It is possible for the cursor to be invalid if we're in the middle of 4599 * something (like changing files). If so, don't do anything for now. 4600 */ 4601 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 4602 { 4603 gui.bottom_sbar.value = -1; 4604 return; 4605 } 4606 4607 size = curwin->w_width; 4608 if (curwin->w_p_wrap) 4609 { 4610 value = 0; 4611 #ifdef SCROLL_PAST_END 4612 max = 0; 4613 #else 4614 max = curwin->w_width - 1; 4615 #endif 4616 } 4617 else 4618 { 4619 value = curwin->w_leftcol; 4620 4621 longest_lnum = gui_find_longest_lnum(); 4622 max = scroll_line_len(longest_lnum); 4623 4624 if (virtual_active()) 4625 { 4626 // May move the cursor even further to the right. 4627 if (curwin->w_virtcol >= (colnr_T)max) 4628 max = curwin->w_virtcol; 4629 } 4630 4631 #ifndef SCROLL_PAST_END 4632 max += curwin->w_width - 1; 4633 #endif 4634 // The line number isn't scrolled, thus there is less space when 4635 // 'number' or 'relativenumber' is set (also for 'foldcolumn'). 4636 size -= curwin_col_off(); 4637 #ifndef SCROLL_PAST_END 4638 max -= curwin_col_off(); 4639 #endif 4640 } 4641 4642 #ifndef SCROLL_PAST_END 4643 if (value > max - size + 1) 4644 value = max - size + 1; // limit the value to allowable range 4645 #endif 4646 4647 #ifdef FEAT_RIGHTLEFT 4648 if (curwin->w_p_rl) 4649 { 4650 value = max + 1 - size - value; 4651 if (value < 0) 4652 { 4653 size += value; 4654 value = 0; 4655 } 4656 } 4657 #endif 4658 if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size 4659 && max == gui.bottom_sbar.max) 4660 return; 4661 4662 gui.bottom_sbar.value = value; 4663 gui.bottom_sbar.size = size; 4664 gui.bottom_sbar.max = max; 4665 gui.prev_wrap = curwin->w_p_wrap; 4666 4667 gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max); 4668 } 4669 4670 /* 4671 * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise. 4672 */ 4673 int 4674 gui_do_horiz_scroll(long_u leftcol, int compute_longest_lnum) 4675 { 4676 // no wrapping, no scrolling 4677 if (curwin->w_p_wrap) 4678 return FALSE; 4679 4680 if (curwin->w_leftcol == (colnr_T)leftcol) 4681 return FALSE; 4682 4683 curwin->w_leftcol = (colnr_T)leftcol; 4684 4685 // When the line of the cursor is too short, move the cursor to the 4686 // longest visible line. 4687 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4688 && !virtual_active() 4689 && (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum)) 4690 { 4691 if (compute_longest_lnum) 4692 { 4693 curwin->w_cursor.lnum = gui_find_longest_lnum(); 4694 curwin->w_cursor.col = 0; 4695 } 4696 // Do a sanity check on "longest_lnum", just in case. 4697 else if (longest_lnum >= curwin->w_topline 4698 && longest_lnum < curwin->w_botline) 4699 { 4700 curwin->w_cursor.lnum = longest_lnum; 4701 curwin->w_cursor.col = 0; 4702 } 4703 } 4704 4705 return leftcol_changed(); 4706 } 4707 4708 /* 4709 * Check that none of the colors are the same as the background color 4710 */ 4711 void 4712 gui_check_colors(void) 4713 { 4714 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4715 { 4716 gui_set_bg_color((char_u *)"White"); 4717 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4718 gui_set_fg_color((char_u *)"Black"); 4719 } 4720 } 4721 4722 static void 4723 gui_set_fg_color(char_u *name) 4724 { 4725 gui.norm_pixel = gui_get_color(name); 4726 hl_set_fg_color_name(vim_strsave(name)); 4727 } 4728 4729 static void 4730 gui_set_bg_color(char_u *name) 4731 { 4732 gui.back_pixel = gui_get_color(name); 4733 hl_set_bg_color_name(vim_strsave(name)); 4734 } 4735 4736 /* 4737 * Allocate a color by name. 4738 * Returns INVALCOLOR and gives an error message when failed. 4739 */ 4740 guicolor_T 4741 gui_get_color(char_u *name) 4742 { 4743 guicolor_T t; 4744 4745 if (*name == NUL) 4746 return INVALCOLOR; 4747 t = gui_mch_get_color(name); 4748 4749 if (t == INVALCOLOR 4750 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) 4751 && gui.in_use 4752 #endif 4753 ) 4754 semsg(_(e_alloc_color), name); 4755 return t; 4756 } 4757 4758 /* 4759 * Return the grey value of a color (range 0-255). 4760 */ 4761 int 4762 gui_get_lightness(guicolor_T pixel) 4763 { 4764 long_u rgb = (long_u)gui_mch_get_rgb(pixel); 4765 4766 return (int)( (((rgb >> 16) & 0xff) * 299) 4767 + (((rgb >> 8) & 0xff) * 587) 4768 + ((rgb & 0xff) * 114)) / 1000; 4769 } 4770 4771 char_u * 4772 gui_bg_default(void) 4773 { 4774 if (gui_get_lightness(gui.back_pixel) < 127) 4775 return (char_u *)"dark"; 4776 return (char_u *)"light"; 4777 } 4778 4779 /* 4780 * Option initializations that can only be done after opening the GUI window. 4781 */ 4782 void 4783 init_gui_options(void) 4784 { 4785 // Set the 'background' option according to the lightness of the 4786 // background color, unless the user has set it already. 4787 if (!option_was_set((char_u *)"bg") && STRCMP(p_bg, gui_bg_default()) != 0) 4788 { 4789 set_option_value((char_u *)"bg", 0L, gui_bg_default(), 0); 4790 highlight_changed(); 4791 } 4792 } 4793 4794 #if defined(FEAT_GUI_X11) || defined(PROTO) 4795 void 4796 gui_new_scrollbar_colors(void) 4797 { 4798 win_T *wp; 4799 4800 // Nothing to do if GUI hasn't started yet. 4801 if (!gui.in_use) 4802 return; 4803 4804 FOR_ALL_WINDOWS(wp) 4805 { 4806 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT])); 4807 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT])); 4808 } 4809 gui_mch_set_scrollbar_colors(&gui.bottom_sbar); 4810 } 4811 #endif 4812 4813 /* 4814 * Call this when focus has changed. 4815 */ 4816 void 4817 gui_focus_change(int in_focus) 4818 { 4819 /* 4820 * Skip this code to avoid drawing the cursor when debugging and switching 4821 * between the debugger window and gvim. 4822 */ 4823 #if 1 4824 gui.in_focus = in_focus; 4825 out_flush_cursor(TRUE, FALSE); 4826 4827 # ifdef FEAT_XIM 4828 xim_set_focus(in_focus); 4829 # endif 4830 4831 // Put events in the input queue only when allowed. 4832 // ui_focus_change() isn't called directly, because it invokes 4833 // autocommands and that must not happen asynchronously. 4834 if (!hold_gui_events) 4835 { 4836 char_u bytes[3]; 4837 4838 bytes[0] = CSI; 4839 bytes[1] = KS_EXTRA; 4840 bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST; 4841 add_to_input_buf(bytes, 3); 4842 } 4843 #endif 4844 } 4845 4846 /* 4847 * When mouse moved: apply 'mousefocus'. 4848 * Also updates the mouse pointer shape. 4849 */ 4850 static void 4851 gui_mouse_focus(int x, int y) 4852 { 4853 win_T *wp; 4854 char_u st[8]; 4855 4856 #ifdef FEAT_MOUSESHAPE 4857 // Get window pointer, and update mouse shape as well. 4858 wp = xy2win(x, y, IGNORE_POPUP); 4859 #endif 4860 4861 // Only handle this when 'mousefocus' set and ... 4862 if (p_mousef 4863 && !hold_gui_events // not holding events 4864 && (State & (NORMAL|INSERT))// Normal/Visual/Insert mode 4865 && State != HITRETURN // but not hit-return prompt 4866 && msg_scrolled == 0 // no scrolled message 4867 && !need_mouse_correct // not moving the pointer 4868 && gui.in_focus) // gvim in focus 4869 { 4870 // Don't move the mouse when it's left or right of the Vim window 4871 if (x < 0 || x > Columns * gui.char_width) 4872 return; 4873 #ifndef FEAT_MOUSESHAPE 4874 wp = xy2win(x, y, IGNORE_POPUP); 4875 #endif 4876 if (wp == curwin || wp == NULL) 4877 return; // still in the same old window, or none at all 4878 4879 // Ignore position in the tab pages line. 4880 if (Y_2_ROW(y) < tabline_height()) 4881 return; 4882 4883 /* 4884 * format a mouse click on status line input 4885 * ala gui_send_mouse_event(0, x, y, 0, 0); 4886 * Trick: Use a column number -1, so that get_pseudo_mouse_code() will 4887 * generate a K_LEFTMOUSE_NM key code. 4888 */ 4889 if (finish_op) 4890 { 4891 // abort the current operator first 4892 st[0] = ESC; 4893 add_to_input_buf(st, 1); 4894 } 4895 st[0] = CSI; 4896 st[1] = KS_MOUSE; 4897 st[2] = KE_FILLER; 4898 st[3] = (char_u)MOUSE_LEFT; 4899 fill_mouse_coord(st + 4, 4900 wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF, 4901 wp->w_height + W_WINROW(wp)); 4902 4903 add_to_input_buf(st, 8); 4904 st[3] = (char_u)MOUSE_RELEASE; 4905 add_to_input_buf(st, 8); 4906 #ifdef FEAT_GUI_GTK 4907 // Need to wake up the main loop 4908 if (gtk_main_level() > 0) 4909 gtk_main_quit(); 4910 #endif 4911 } 4912 } 4913 4914 /* 4915 * Called when the mouse moved (but not when dragging). 4916 */ 4917 void 4918 gui_mouse_moved(int x, int y) 4919 { 4920 // Ignore this while still starting up. 4921 if (!gui.in_use || gui.starting) 4922 return; 4923 4924 // apply 'mousefocus' and pointer shape 4925 gui_mouse_focus(x, y); 4926 4927 #ifdef FEAT_PROP_POPUP 4928 if (popup_visible) 4929 // Generate a mouse-moved event, so that the popup can perhaps be 4930 // closed, just like in the terminal. 4931 gui_send_mouse_event(MOUSE_MOVE, x, y, FALSE, 0); 4932 #endif 4933 } 4934 4935 /* 4936 * Get the window where the mouse pointer is on. 4937 * Returns NULL if not found. 4938 */ 4939 win_T * 4940 gui_mouse_window(mouse_find_T popup) 4941 { 4942 int x, y; 4943 4944 if (!(gui.in_use && (p_mousef || popup == FIND_POPUP))) 4945 return NULL; 4946 gui_mch_getmouse(&x, &y); 4947 4948 // Only use the mouse when it's on the Vim window 4949 if (x >= 0 && x <= Columns * gui.char_width 4950 && y >= 0 && Y_2_ROW(y) >= tabline_height()) 4951 return xy2win(x, y, popup); 4952 return NULL; 4953 } 4954 4955 /* 4956 * Called when mouse should be moved to window with focus. 4957 */ 4958 void 4959 gui_mouse_correct(void) 4960 { 4961 win_T *wp = NULL; 4962 4963 need_mouse_correct = FALSE; 4964 4965 wp = gui_mouse_window(IGNORE_POPUP); 4966 if (wp != curwin && wp != NULL) // If in other than current window 4967 { 4968 validate_cline_row(); 4969 gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3, 4970 (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height 4971 + (gui.char_height) / 2); 4972 } 4973 } 4974 4975 /* 4976 * Find window where the mouse pointer "x" / "y" coordinate is in. 4977 * As a side effect update the shape of the mouse pointer. 4978 */ 4979 static win_T * 4980 xy2win(int x, int y, mouse_find_T popup) 4981 { 4982 int row; 4983 int col; 4984 win_T *wp; 4985 4986 row = Y_2_ROW(y); 4987 col = X_2_COL(x); 4988 if (row < 0 || col < 0) // before first window 4989 return NULL; 4990 wp = mouse_find_win(&row, &col, popup); 4991 if (wp == NULL) 4992 return NULL; 4993 #ifdef FEAT_MOUSESHAPE 4994 if (State == HITRETURN || State == ASKMORE) 4995 { 4996 if (Y_2_ROW(y) >= msg_row) 4997 update_mouseshape(SHAPE_IDX_MOREL); 4998 else 4999 update_mouseshape(SHAPE_IDX_MORE); 5000 } 5001 else if (row > wp->w_height) // below status line 5002 update_mouseshape(SHAPE_IDX_CLINE); 5003 else if (!(State & CMDLINE) && wp->w_vsep_width > 0 && col == wp->w_width 5004 && (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0) 5005 update_mouseshape(SHAPE_IDX_VSEP); 5006 else if (!(State & CMDLINE) && wp->w_status_height > 0 5007 && row == wp->w_height && msg_scrolled == 0) 5008 update_mouseshape(SHAPE_IDX_STATUS); 5009 else 5010 update_mouseshape(-2); 5011 #endif 5012 return wp; 5013 } 5014 5015 /* 5016 * ":gui" and ":gvim": Change from the terminal version to the GUI version. 5017 * File names may be given to redefine the args list. 5018 */ 5019 void 5020 ex_gui(exarg_T *eap) 5021 { 5022 char_u *arg = eap->arg; 5023 5024 /* 5025 * Check for "-f" argument: foreground, don't fork. 5026 * Also don't fork when started with "gvim -f". 5027 * Do fork when using "gui -b". 5028 */ 5029 if (arg[0] == '-' 5030 && (arg[1] == 'f' || arg[1] == 'b') 5031 && (arg[2] == NUL || VIM_ISWHITE(arg[2]))) 5032 { 5033 gui.dofork = (arg[1] == 'b'); 5034 eap->arg = skipwhite(eap->arg + 2); 5035 } 5036 if (!gui.in_use) 5037 { 5038 #if defined(VIMDLL) && !defined(EXPERIMENTAL_GUI_CMD) 5039 if (!gui.starting) 5040 { 5041 emsg(_(e_nogvim)); 5042 return; 5043 } 5044 #endif 5045 // Clear the command. Needed for when forking+exiting, to avoid part 5046 // of the argument ending up after the shell prompt. 5047 msg_clr_eos_force(); 5048 #ifdef GUI_MAY_SPAWN 5049 if (!ends_excmd2(eap->cmd, eap->arg)) 5050 gui_start(eap->arg); 5051 else 5052 #endif 5053 gui_start(NULL); 5054 #ifdef FEAT_JOB_CHANNEL 5055 channel_gui_register_all(); 5056 #endif 5057 } 5058 if (!ends_excmd2(eap->cmd, eap->arg)) 5059 ex_next(eap); 5060 } 5061 5062 #if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) \ 5063 || defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_PHOTON) \ 5064 || defined(FEAT_GUI_HAIKU)) \ 5065 && defined(FEAT_TOOLBAR)) || defined(PROTO) 5066 /* 5067 * This is shared between Athena, Haiku, Motif, and GTK. 5068 */ 5069 5070 /* 5071 * Callback function for do_in_runtimepath(). 5072 */ 5073 static void 5074 gfp_setname(char_u *fname, void *cookie) 5075 { 5076 char_u *gfp_buffer = cookie; 5077 5078 if (STRLEN(fname) >= MAXPATHL) 5079 *gfp_buffer = NUL; 5080 else 5081 STRCPY(gfp_buffer, fname); 5082 } 5083 5084 /* 5085 * Find the path of bitmap "name" with extension "ext" in 'runtimepath'. 5086 * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result. 5087 */ 5088 int 5089 gui_find_bitmap(char_u *name, char_u *buffer, char *ext) 5090 { 5091 if (STRLEN(name) > MAXPATHL - 14) 5092 return FAIL; 5093 vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext); 5094 if (do_in_runtimepath(buffer, 0, gfp_setname, buffer) == FAIL 5095 || *buffer == NUL) 5096 return FAIL; 5097 return OK; 5098 } 5099 5100 # if !defined(FEAT_GUI_GTK) || defined(PROTO) 5101 /* 5102 * Given the name of the "icon=" argument, try finding the bitmap file for the 5103 * icon. If it is an absolute path name, use it as it is. Otherwise append 5104 * "ext" and search for it in 'runtimepath'. 5105 * The result is put in "buffer[MAXPATHL]". If something fails "buffer" 5106 * contains "name". 5107 */ 5108 void 5109 gui_find_iconfile(char_u *name, char_u *buffer, char *ext) 5110 { 5111 char_u buf[MAXPATHL + 1]; 5112 5113 expand_env(name, buffer, MAXPATHL); 5114 if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK) 5115 STRCPY(buffer, buf); 5116 } 5117 # endif 5118 #endif 5119 5120 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)|| defined(FEAT_GUI_HAIKU) \ 5121 || defined(PROTO) 5122 void 5123 display_errors(void) 5124 { 5125 char_u *p; 5126 5127 if (isatty(2)) 5128 fflush(stderr); 5129 else if (error_ga.ga_data != NULL) 5130 { 5131 // avoid putting up a message box with blanks only 5132 for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p) 5133 if (!isspace(*p)) 5134 { 5135 // Truncate a very long message, it will go off-screen. 5136 if (STRLEN(p) > 2000) 5137 STRCPY(p + 2000 - 14, "...(truncated)"); 5138 (void)do_dialog(VIM_ERROR, (char_u *)_("Error"), 5139 p, (char_u *)_("&Ok"), 1, NULL, FALSE); 5140 break; 5141 } 5142 ga_clear(&error_ga); 5143 } 5144 } 5145 #endif 5146 5147 #if defined(NO_CONSOLE_INPUT) || defined(PROTO) 5148 /* 5149 * Return TRUE if still starting up and there is no place to enter text. 5150 * For GTK and X11 we check if stderr is not a tty, which means we were 5151 * (probably) started from the desktop. Also check stdin, "vim >& file" does 5152 * allow typing on stdin. 5153 */ 5154 int 5155 no_console_input(void) 5156 { 5157 return ((!gui.in_use || gui.starting) 5158 # ifndef NO_CONSOLE 5159 && !isatty(0) && !isatty(2) 5160 # endif 5161 ); 5162 } 5163 #endif 5164 5165 #if defined(FIND_REPLACE_DIALOG) \ 5166 || defined(NEED_GUI_UPDATE_SCREEN) \ 5167 || defined(PROTO) 5168 /* 5169 * Update the current window and the screen. 5170 */ 5171 void 5172 gui_update_screen(void) 5173 { 5174 # ifdef FEAT_CONCEAL 5175 linenr_T conceal_old_cursor_line = 0; 5176 linenr_T conceal_new_cursor_line = 0; 5177 int conceal_update_lines = FALSE; 5178 # endif 5179 5180 update_topline(); 5181 validate_cursor(); 5182 5183 // Trigger CursorMoved if the cursor moved. 5184 if (!finish_op && (has_cursormoved() 5185 # ifdef FEAT_PROP_POPUP 5186 || popup_visible 5187 # endif 5188 # ifdef FEAT_CONCEAL 5189 || curwin->w_p_cole > 0 5190 # endif 5191 ) && !EQUAL_POS(last_cursormoved, curwin->w_cursor)) 5192 { 5193 if (has_cursormoved()) 5194 apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf); 5195 #ifdef FEAT_PROP_POPUP 5196 if (popup_visible) 5197 popup_check_cursor_pos(); 5198 #endif 5199 # ifdef FEAT_CONCEAL 5200 if (curwin->w_p_cole > 0) 5201 { 5202 conceal_old_cursor_line = last_cursormoved.lnum; 5203 conceal_new_cursor_line = curwin->w_cursor.lnum; 5204 conceal_update_lines = TRUE; 5205 } 5206 # endif 5207 last_cursormoved = curwin->w_cursor; 5208 } 5209 5210 # ifdef FEAT_CONCEAL 5211 if (conceal_update_lines 5212 && (conceal_old_cursor_line != conceal_new_cursor_line 5213 || conceal_cursor_line(curwin) 5214 || need_cursor_line_redraw)) 5215 { 5216 if (conceal_old_cursor_line != conceal_new_cursor_line) 5217 redrawWinline(curwin, conceal_old_cursor_line); 5218 redrawWinline(curwin, conceal_new_cursor_line); 5219 curwin->w_valid &= ~VALID_CROW; 5220 need_cursor_line_redraw = FALSE; 5221 } 5222 # endif 5223 update_screen(0); // may need to update the screen 5224 setcursor(); 5225 out_flush_cursor(TRUE, FALSE); 5226 } 5227 #endif 5228 5229 #if defined(FIND_REPLACE_DIALOG) || defined(PROTO) 5230 /* 5231 * Get the text to use in a find/replace dialog. Uses the last search pattern 5232 * if the argument is empty. 5233 * Returns an allocated string. 5234 */ 5235 char_u * 5236 get_find_dialog_text( 5237 char_u *arg, 5238 int *wwordp, // return: TRUE if \< \> found 5239 int *mcasep) // return: TRUE if \C found 5240 { 5241 char_u *text; 5242 5243 if (*arg == NUL) 5244 text = last_search_pat(); 5245 else 5246 text = arg; 5247 if (text != NULL) 5248 { 5249 text = vim_strsave(text); 5250 if (text != NULL) 5251 { 5252 int len = (int)STRLEN(text); 5253 int i; 5254 5255 // Remove "\V" 5256 if (len >= 2 && STRNCMP(text, "\\V", 2) == 0) 5257 { 5258 mch_memmove(text, text + 2, (size_t)(len - 1)); 5259 len -= 2; 5260 } 5261 5262 // Recognize "\c" and "\C" and remove. 5263 if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C')) 5264 { 5265 *mcasep = (text[1] == 'C'); 5266 mch_memmove(text, text + 2, (size_t)(len - 1)); 5267 len -= 2; 5268 } 5269 5270 // Recognize "\<text\>" and remove. 5271 if (len >= 4 5272 && STRNCMP(text, "\\<", 2) == 0 5273 && STRNCMP(text + len - 2, "\\>", 2) == 0) 5274 { 5275 *wwordp = TRUE; 5276 mch_memmove(text, text + 2, (size_t)(len - 4)); 5277 text[len - 4] = NUL; 5278 } 5279 5280 // Recognize "\/" or "\?" and remove. 5281 for (i = 0; i + 1 < len; ++i) 5282 if (text[i] == '\\' && (text[i + 1] == '/' 5283 || text[i + 1] == '?')) 5284 { 5285 mch_memmove(text + i, text + i + 1, (size_t)(len - i)); 5286 --len; 5287 } 5288 } 5289 } 5290 return text; 5291 } 5292 5293 /* 5294 * Handle the press of a button in the find-replace dialog. 5295 * Return TRUE when something was added to the input buffer. 5296 */ 5297 int 5298 gui_do_findrepl( 5299 int flags, // one of FRD_REPLACE, FRD_FINDNEXT, etc. 5300 char_u *find_text, 5301 char_u *repl_text, 5302 int down) // Search downwards. 5303 { 5304 garray_T ga; 5305 int i; 5306 int type = (flags & FRD_TYPE_MASK); 5307 char_u *p; 5308 regmatch_T regmatch; 5309 int save_did_emsg = did_emsg; 5310 static int busy = FALSE; 5311 5312 // When the screen is being updated we should not change buffers and 5313 // windows structures, it may cause freed memory to be used. Also don't 5314 // do this recursively (pressing "Find" quickly several times. 5315 if (updating_screen || busy) 5316 return FALSE; 5317 5318 // refuse replace when text cannot be changed 5319 if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked()) 5320 return FALSE; 5321 5322 busy = TRUE; 5323 5324 ga_init2(&ga, 1, 100); 5325 if (type == FRD_REPLACEALL) 5326 ga_concat(&ga, (char_u *)"%s/"); 5327 5328 ga_concat(&ga, (char_u *)"\\V"); 5329 if (flags & FRD_MATCH_CASE) 5330 ga_concat(&ga, (char_u *)"\\C"); 5331 else 5332 ga_concat(&ga, (char_u *)"\\c"); 5333 if (flags & FRD_WHOLE_WORD) 5334 ga_concat(&ga, (char_u *)"\\<"); 5335 // escape slash and backslash 5336 p = vim_strsave_escaped(find_text, (char_u *)"/\\"); 5337 if (p != NULL) 5338 ga_concat(&ga, p); 5339 vim_free(p); 5340 if (flags & FRD_WHOLE_WORD) 5341 ga_concat(&ga, (char_u *)"\\>"); 5342 5343 if (type == FRD_REPLACEALL) 5344 { 5345 ga_concat(&ga, (char_u *)"/"); 5346 // escape slash and backslash 5347 p = vim_strsave_escaped(repl_text, (char_u *)"/\\"); 5348 if (p != NULL) 5349 ga_concat(&ga, p); 5350 vim_free(p); 5351 ga_concat(&ga, (char_u *)"/g"); 5352 } 5353 ga_append(&ga, NUL); 5354 5355 if (type == FRD_REPLACE) 5356 { 5357 // Do the replacement when the text at the cursor matches. Thus no 5358 // replacement is done if the cursor was moved! 5359 regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING); 5360 regmatch.rm_ic = 0; 5361 if (regmatch.regprog != NULL) 5362 { 5363 p = ml_get_cursor(); 5364 if (vim_regexec_nl(®match, p, (colnr_T)0) 5365 && regmatch.startp[0] == p) 5366 { 5367 // Clear the command line to remove any old "No match" 5368 // error. 5369 msg_end_prompt(); 5370 5371 if (u_save_cursor() == OK) 5372 { 5373 // A button was pressed thus undo should be synced. 5374 u_sync(FALSE); 5375 5376 del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]), 5377 FALSE, FALSE); 5378 ins_str(repl_text); 5379 } 5380 } 5381 else 5382 msg(_("No match at cursor, finding next")); 5383 vim_regfree(regmatch.regprog); 5384 } 5385 } 5386 5387 if (type == FRD_REPLACEALL) 5388 { 5389 // A button was pressed, thus undo should be synced. 5390 u_sync(FALSE); 5391 do_cmdline_cmd(ga.ga_data); 5392 } 5393 else 5394 { 5395 int searchflags = SEARCH_MSG + SEARCH_MARK; 5396 5397 // Search for the next match. 5398 // Don't skip text under cursor for single replace. 5399 if (type == FRD_REPLACE) 5400 searchflags += SEARCH_START; 5401 i = msg_scroll; 5402 if (down) 5403 { 5404 (void)do_search(NULL, '/', '/', ga.ga_data, 1L, searchflags, NULL); 5405 } 5406 else 5407 { 5408 // We need to escape '?' if and only if we are searching in the up 5409 // direction 5410 p = vim_strsave_escaped(ga.ga_data, (char_u *)"?"); 5411 if (p != NULL) 5412 (void)do_search(NULL, '?', '?', p, 1L, searchflags, NULL); 5413 vim_free(p); 5414 } 5415 5416 msg_scroll = i; // don't let an error message set msg_scroll 5417 } 5418 5419 // Don't want to pass did_emsg to other code, it may cause disabling 5420 // syntax HL if we were busy redrawing. 5421 did_emsg = save_did_emsg; 5422 5423 if (State & (NORMAL | INSERT)) 5424 { 5425 gui_update_screen(); // update the screen 5426 msg_didout = 0; // overwrite any message 5427 need_wait_return = FALSE; // don't wait for return 5428 } 5429 5430 vim_free(ga.ga_data); 5431 busy = FALSE; 5432 return (ga.ga_len > 0); 5433 } 5434 5435 #endif 5436 5437 #if defined(HAVE_DROP_FILE) || defined(PROTO) 5438 /* 5439 * Jump to the window at specified point (x, y). 5440 */ 5441 static void 5442 gui_wingoto_xy(int x, int y) 5443 { 5444 int row = Y_2_ROW(y); 5445 int col = X_2_COL(x); 5446 win_T *wp; 5447 5448 if (row >= 0 && col >= 0) 5449 { 5450 wp = mouse_find_win(&row, &col, FAIL_POPUP); 5451 if (wp != NULL && wp != curwin) 5452 win_goto(wp); 5453 } 5454 } 5455 5456 /* 5457 * Function passed to handle_drop() for the actions to be done after the 5458 * argument list has been updated. 5459 */ 5460 static void 5461 drop_callback(void *cookie) 5462 { 5463 char_u *p = cookie; 5464 5465 // If Shift held down, change to first file's directory. If the first 5466 // item is a directory, change to that directory (and let the explorer 5467 // plugin show the contents). 5468 if (p != NULL) 5469 { 5470 if (mch_isdir(p)) 5471 { 5472 if (mch_chdir((char *)p) == 0) 5473 shorten_fnames(TRUE); 5474 } 5475 else if (vim_chdirfile(p, "drop") == OK) 5476 shorten_fnames(TRUE); 5477 vim_free(p); 5478 } 5479 5480 // Update the screen display 5481 update_screen(NOT_VALID); 5482 # ifdef FEAT_MENU 5483 gui_update_menus(0); 5484 # endif 5485 #ifdef FEAT_TITLE 5486 maketitle(); 5487 #endif 5488 setcursor(); 5489 out_flush_cursor(FALSE, FALSE); 5490 } 5491 5492 /* 5493 * Process file drop. Mouse cursor position, key modifiers, name of files 5494 * and count of files are given. Argument "fnames[count]" has full pathnames 5495 * of dropped files, they will be freed in this function, and caller can't use 5496 * fnames after call this function. 5497 */ 5498 void 5499 gui_handle_drop( 5500 int x UNUSED, 5501 int y UNUSED, 5502 int_u modifiers, 5503 char_u **fnames, 5504 int count) 5505 { 5506 int i; 5507 char_u *p; 5508 static int entered = FALSE; 5509 5510 /* 5511 * This function is called by event handlers. Just in case we get a 5512 * second event before the first one is handled, ignore the second one. 5513 * Not sure if this can ever happen, just in case. 5514 */ 5515 if (entered) 5516 return; 5517 entered = TRUE; 5518 5519 /* 5520 * When the cursor is at the command line, add the file names to the 5521 * command line, don't edit the files. 5522 */ 5523 if (State & CMDLINE) 5524 { 5525 shorten_filenames(fnames, count); 5526 for (i = 0; i < count; ++i) 5527 { 5528 if (fnames[i] != NULL) 5529 { 5530 if (i > 0) 5531 add_to_input_buf((char_u*)" ", 1); 5532 5533 // We don't know what command is used thus we can't be sure 5534 // about which characters need to be escaped. Only escape the 5535 // most common ones. 5536 # ifdef BACKSLASH_IN_FILENAME 5537 p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|"); 5538 # else 5539 p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|"); 5540 # endif 5541 if (p != NULL) 5542 add_to_input_buf_csi(p, (int)STRLEN(p)); 5543 vim_free(p); 5544 vim_free(fnames[i]); 5545 } 5546 } 5547 vim_free(fnames); 5548 } 5549 else 5550 { 5551 // Go to the window under mouse cursor, then shorten given "fnames" by 5552 // current window, because a window can have local current dir. 5553 gui_wingoto_xy(x, y); 5554 shorten_filenames(fnames, count); 5555 5556 // If Shift held down, remember the first item. 5557 if ((modifiers & MOUSE_SHIFT) != 0) 5558 p = vim_strsave(fnames[0]); 5559 else 5560 p = NULL; 5561 5562 // Handle the drop, :edit or :split to get to the file. This also 5563 // frees fnames[]. Skip this if there is only one item, it's a 5564 // directory and Shift is held down. 5565 if (count == 1 && (modifiers & MOUSE_SHIFT) != 0 5566 && mch_isdir(fnames[0])) 5567 { 5568 vim_free(fnames[0]); 5569 vim_free(fnames); 5570 vim_free(p); 5571 } 5572 else 5573 handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0, 5574 drop_callback, (void *)p); 5575 } 5576 5577 entered = FALSE; 5578 } 5579 #endif 5580 5581 /* 5582 * Check if "key" is to interrupt us. Handles a key that has not had modifiers 5583 * applied yet. 5584 * Return the key with modifiers applied if so, NUL if not. 5585 */ 5586 int 5587 check_for_interrupt(int key, int modifiers_arg) 5588 { 5589 int modifiers = modifiers_arg; 5590 int c = merge_modifyOtherKeys(key, &modifiers); 5591 5592 if ((c == Ctrl_C && ctrl_c_interrupts) 5593 #ifdef UNIX 5594 || (intr_char != Ctrl_C && c == intr_char) 5595 #endif 5596 ) 5597 { 5598 got_int = TRUE; 5599 return c; 5600 } 5601 return NUL; 5602 } 5603 5604