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