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_outstr(char_u *, int); 21 static int gui_screenchar(int off, int flags, guicolor_T fg, guicolor_T bg, int back); 22 static void gui_delete_lines(int row, int count); 23 static void gui_insert_lines(int row, int count); 24 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 25 static int gui_has_tabline(void); 26 #endif 27 static void gui_do_scrollbar(win_T *wp, int which, int enable); 28 static void gui_update_horiz_scrollbar(int); 29 static void gui_set_fg_color(char_u *name); 30 static void gui_set_bg_color(char_u *name); 31 static win_T *xy2win(int x, int y); 32 33 #ifdef GUI_MAY_FORK 34 static void gui_do_fork(void); 35 36 static int gui_read_child_pipe(int fd); 37 38 /* Return values for gui_read_child_pipe */ 39 enum { 40 GUI_CHILD_IO_ERROR, 41 GUI_CHILD_OK, 42 GUI_CHILD_FAILED 43 }; 44 #endif 45 46 static void gui_attempt_start(void); 47 48 static int can_update_cursor = TRUE; /* can display the cursor */ 49 static int disable_flush = 0; /* If > 0, gui_mch_flush() is disabled. */ 50 51 /* 52 * The Athena scrollbars can move the thumb to after the end of the scrollbar, 53 * this makes the thumb indicate the part of the text that is shown. Motif 54 * can't do this. 55 */ 56 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MAC) 57 # define SCROLL_PAST_END 58 #endif 59 60 /* 61 * gui_start -- Called when user wants to start the GUI. 62 * 63 * Careful: This function can be called recursively when there is a ":gui" 64 * command in the .gvimrc file. Only the first call should fork, not the 65 * recursive call. 66 */ 67 void 68 gui_start(char_u *arg UNUSED) 69 { 70 char_u *old_term; 71 static int recursive = 0; 72 #if defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD) 73 char *msg = NULL; 74 #endif 75 76 old_term = vim_strsave(T_NAME); 77 78 settmode(TMODE_COOK); /* stop RAW mode */ 79 if (full_screen) 80 cursor_on(); /* needed for ":gui" in .vimrc */ 81 full_screen = FALSE; 82 83 ++recursive; 84 85 #ifdef GUI_MAY_FORK 86 /* 87 * Quit the current process and continue in the child. 88 * Makes "gvim file" disconnect from the shell it was started in. 89 * Don't do this when Vim was started with "-f" or the 'f' flag is present 90 * in 'guioptions'. 91 * Don't do this when there is a running job, we can only get the status 92 * of a child from the parent. 93 */ 94 if (gui.dofork && !vim_strchr(p_go, GO_FORG) && recursive <= 1 95 # ifdef FEAT_JOB_CHANNEL 96 && !job_any_running() 97 # endif 98 ) 99 { 100 gui_do_fork(); 101 } 102 else 103 #endif 104 #ifdef GUI_MAY_SPAWN 105 if (gui.dospawn 106 # ifdef EXPERIMENTAL_GUI_CMD 107 && gui.dofork 108 # endif 109 && !vim_strchr(p_go, GO_FORG) 110 && !anyBufIsChanged() 111 # ifdef FEAT_JOB_CHANNEL 112 && !job_any_running() 113 # endif 114 ) 115 { 116 # ifdef EXPERIMENTAL_GUI_CMD 117 msg = 118 # endif 119 gui_mch_do_spawn(arg); 120 } 121 else 122 #endif 123 { 124 #ifdef FEAT_GUI_GTK 125 /* If there is 'f' in 'guioptions' and specify -g argument, 126 * gui_mch_init_check() was not called yet. */ 127 if (gui_mch_init_check() != OK) 128 getout_preserve_modified(1); 129 #endif 130 gui_attempt_start(); 131 } 132 133 if (!gui.in_use) /* failed to start GUI */ 134 { 135 /* Back to old term settings 136 * 137 * FIXME: If we got here because a child process failed and flagged to 138 * the parent to resume, and X11 is enabled with FEAT_TITLE, this will 139 * hit an X11 I/O error and do a longjmp(), leaving recursive 140 * permanently set to 1. This is probably not as big a problem as it 141 * sounds, because gui_mch_init() in both gui_x11.c and gui_gtk_x11.c 142 * return "OK" unconditionally, so it would be very difficult to 143 * actually hit this case. 144 */ 145 termcapinit(old_term); 146 settmode(TMODE_RAW); /* restart RAW mode */ 147 #ifdef FEAT_TITLE 148 set_title_defaults(); /* set 'title' and 'icon' again */ 149 #endif 150 #if defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD) 151 if (msg) 152 emsg(msg); 153 #endif 154 } 155 156 vim_free(old_term); 157 158 /* If the GUI started successfully, trigger the GUIEnter event, otherwise 159 * the GUIFailed event. */ 160 gui_mch_update(); 161 apply_autocmds(gui.in_use ? EVENT_GUIENTER : EVENT_GUIFAILED, 162 NULL, NULL, FALSE, curbuf); 163 --recursive; 164 } 165 166 /* 167 * Set_termname() will call gui_init() to start the GUI. 168 * Set the "starting" flag, to indicate that the GUI will start. 169 * 170 * We don't want to open the GUI shell until after we've read .gvimrc, 171 * otherwise we don't know what font we will use, and hence we don't know 172 * what size the shell should be. So if there are errors in the .gvimrc 173 * file, they will have to go to the terminal: Set full_screen to FALSE. 174 * full_screen will be set to TRUE again by a successful termcapinit(). 175 */ 176 static void 177 gui_attempt_start(void) 178 { 179 static int recursive = 0; 180 181 ++recursive; 182 gui.starting = TRUE; 183 184 #ifdef FEAT_GUI_GTK 185 gui.event_time = GDK_CURRENT_TIME; 186 #endif 187 188 termcapinit((char_u *)"builtin_gui"); 189 gui.starting = recursive - 1; 190 191 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) 192 if (gui.in_use) 193 { 194 # ifdef FEAT_EVAL 195 Window x11_window; 196 Display *x11_display; 197 198 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) 199 set_vim_var_nr(VV_WINDOWID, (long)x11_window); 200 # endif 201 202 /* Display error messages in a dialog now. */ 203 display_errors(); 204 } 205 #endif 206 --recursive; 207 } 208 209 #ifdef GUI_MAY_FORK 210 211 /* for waitpid() */ 212 # if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT) 213 # include <sys/wait.h> 214 # endif 215 216 /* 217 * Create a new process, by forking. In the child, start the GUI, and in 218 * the parent, exit. 219 * 220 * If something goes wrong, this will return with gui.in_use still set 221 * to FALSE, in which case the caller should continue execution without 222 * the GUI. 223 * 224 * If the child fails to start the GUI, then the child will exit and the 225 * parent will return. If the child succeeds, then the parent will exit 226 * and the child will return. 227 */ 228 static void 229 gui_do_fork(void) 230 { 231 int pipefd[2]; /* pipe between parent and child */ 232 int pipe_error; 233 int status; 234 int exit_status; 235 pid_t pid = -1; 236 237 /* Setup a pipe between the child and the parent, so that the parent 238 * knows when the child has done the setsid() call and is allowed to 239 * exit. */ 240 pipe_error = (pipe(pipefd) < 0); 241 pid = fork(); 242 if (pid < 0) /* Fork error */ 243 { 244 emsg(_("E851: Failed to create a new process for the GUI")); 245 return; 246 } 247 else if (pid > 0) /* Parent */ 248 { 249 /* Give the child some time to do the setsid(), otherwise the 250 * exit() may kill the child too (when starting gvim from inside a 251 * gvim). */ 252 if (!pipe_error) 253 { 254 /* The read returns when the child closes the pipe (or when 255 * the child dies for some reason). */ 256 close(pipefd[1]); 257 status = gui_read_child_pipe(pipefd[0]); 258 if (status == GUI_CHILD_FAILED) 259 { 260 /* The child failed to start the GUI, so the caller must 261 * continue. There may be more error information written 262 * to stderr by the child. */ 263 # ifdef __NeXT__ 264 wait4(pid, &exit_status, 0, (struct rusage *)0); 265 # else 266 waitpid(pid, &exit_status, 0); 267 # endif 268 emsg(_("E852: The child process failed to start the GUI")); 269 return; 270 } 271 else if (status == GUI_CHILD_IO_ERROR) 272 { 273 pipe_error = TRUE; 274 } 275 /* else GUI_CHILD_OK: parent exit */ 276 } 277 278 if (pipe_error) 279 ui_delay(300L, TRUE); 280 281 /* When swapping screens we may need to go to the next line, e.g., 282 * after a hit-enter prompt and using ":gui". */ 283 if (newline_on_exit) 284 mch_errmsg("\r\n"); 285 286 /* 287 * The parent must skip the normal exit() processing, the child 288 * will do it. For example, GTK messes up signals when exiting. 289 */ 290 _exit(0); 291 } 292 /* Child */ 293 294 #ifdef FEAT_GUI_GTK 295 /* Call gtk_init_check() here after fork(). See gui_init_check(). */ 296 if (gui_mch_init_check() != OK) 297 getout_preserve_modified(1); 298 #endif 299 300 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) 301 /* 302 * Change our process group. On some systems/shells a CTRL-C in the 303 * shell where Vim was started would otherwise kill gvim! 304 */ 305 # if defined(HAVE_SETSID) 306 (void)setsid(); 307 # else 308 (void)setpgid(0, 0); 309 # endif 310 # endif 311 if (!pipe_error) 312 close(pipefd[0]); 313 314 # if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION) 315 /* Tell the session manager our new PID */ 316 gui_mch_forked(); 317 # endif 318 319 /* Try to start the GUI */ 320 gui_attempt_start(); 321 322 /* Notify the parent */ 323 if (!pipe_error) 324 { 325 if (gui.in_use) 326 write_eintr(pipefd[1], "ok", 3); 327 else 328 write_eintr(pipefd[1], "fail", 5); 329 close(pipefd[1]); 330 } 331 332 /* If we failed to start the GUI, exit now. */ 333 if (!gui.in_use) 334 getout_preserve_modified(1); 335 } 336 337 /* 338 * Read from a pipe assumed to be connected to the child process (this 339 * function is called from the parent). 340 * Return GUI_CHILD_OK if the child successfully started the GUI, 341 * GUY_CHILD_FAILED if the child failed, or GUI_CHILD_IO_ERROR if there was 342 * some other error. 343 * 344 * The file descriptor will be closed before the function returns. 345 */ 346 static int 347 gui_read_child_pipe(int fd) 348 { 349 long bytes_read; 350 #define READ_BUFFER_SIZE 10 351 char buffer[READ_BUFFER_SIZE]; 352 353 bytes_read = read_eintr(fd, buffer, READ_BUFFER_SIZE - 1); 354 #undef READ_BUFFER_SIZE 355 close(fd); 356 if (bytes_read < 0) 357 return GUI_CHILD_IO_ERROR; 358 buffer[bytes_read] = NUL; 359 if (strcmp(buffer, "ok") == 0) 360 return GUI_CHILD_OK; 361 return GUI_CHILD_FAILED; 362 } 363 364 #endif /* GUI_MAY_FORK */ 365 366 /* 367 * Call this when vim starts up, whether or not the GUI is started 368 */ 369 void 370 gui_prepare(int *argc, char **argv) 371 { 372 gui.in_use = FALSE; /* No GUI yet (maybe later) */ 373 gui.starting = FALSE; /* No GUI yet (maybe later) */ 374 gui_mch_prepare(argc, argv); 375 } 376 377 /* 378 * Try initializing the GUI and check if it can be started. 379 * Used from main() to check early if "vim -g" can start the GUI. 380 * Used from gui_init() to prepare for starting the GUI. 381 * Returns FAIL or OK. 382 */ 383 int 384 gui_init_check(void) 385 { 386 static int result = MAYBE; 387 388 if (result != MAYBE) 389 { 390 if (result == FAIL) 391 emsg(_("E229: Cannot start the GUI")); 392 return result; 393 } 394 395 gui.shell_created = FALSE; 396 gui.dying = FALSE; 397 gui.in_focus = TRUE; /* so the guicursor setting works */ 398 gui.dragged_sb = SBAR_NONE; 399 gui.dragged_wp = NULL; 400 gui.pointer_hidden = FALSE; 401 gui.col = 0; 402 gui.row = 0; 403 gui.num_cols = Columns; 404 gui.num_rows = Rows; 405 406 gui.cursor_is_valid = FALSE; 407 gui.scroll_region_top = 0; 408 gui.scroll_region_bot = Rows - 1; 409 gui.scroll_region_left = 0; 410 gui.scroll_region_right = Columns - 1; 411 gui.highlight_mask = HL_NORMAL; 412 gui.char_width = 1; 413 gui.char_height = 1; 414 gui.char_ascent = 0; 415 gui.border_width = 0; 416 417 gui.norm_font = NOFONT; 418 #ifndef FEAT_GUI_GTK 419 gui.bold_font = NOFONT; 420 gui.ital_font = NOFONT; 421 gui.boldital_font = NOFONT; 422 # ifdef FEAT_XFONTSET 423 gui.fontset = NOFONTSET; 424 # endif 425 #endif 426 gui.wide_font = NOFONT; 427 #ifndef FEAT_GUI_GTK 428 gui.wide_bold_font = NOFONT; 429 gui.wide_ital_font = NOFONT; 430 gui.wide_boldital_font = NOFONT; 431 #endif 432 433 #ifdef FEAT_MENU 434 # ifndef FEAT_GUI_GTK 435 # ifdef FONTSET_ALWAYS 436 gui.menu_fontset = NOFONTSET; 437 # else 438 gui.menu_font = NOFONT; 439 # endif 440 # endif 441 gui.menu_is_active = TRUE; /* default: include menu */ 442 # ifndef FEAT_GUI_GTK 443 gui.menu_height = MENU_DEFAULT_HEIGHT; 444 gui.menu_width = 0; 445 # endif 446 #endif 447 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) 448 gui.toolbar_height = 0; 449 #endif 450 #if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF) 451 gui.footer_height = 0; 452 #endif 453 #ifdef FEAT_BEVAL_TIP 454 gui.tooltip_fontset = NOFONTSET; 455 #endif 456 457 gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH; 458 gui.prev_wrap = -1; 459 460 #if defined(ALWAYS_USE_GUI) || defined(VIMDLL) 461 result = OK; 462 #else 463 # ifdef FEAT_GUI_GTK 464 /* 465 * Note: Don't call gtk_init_check() before fork, it will be called after 466 * the fork. When calling it before fork, it make vim hang for a while. 467 * See gui_do_fork(). 468 * Use a simpler check if the GUI window can probably be opened. 469 */ 470 result = gui.dofork ? gui_mch_early_init_check(TRUE) : gui_mch_init_check(); 471 # else 472 result = gui_mch_init_check(); 473 # endif 474 #endif 475 return result; 476 } 477 478 /* 479 * This is the call which starts the GUI. 480 */ 481 void 482 gui_init(void) 483 { 484 win_T *wp; 485 static int recursive = 0; 486 487 /* 488 * It's possible to use ":gui" in a .gvimrc file. The first halve of this 489 * function will then be executed at the first call, the rest by the 490 * recursive call. This allow the shell to be opened halfway reading a 491 * gvimrc file. 492 */ 493 if (!recursive) 494 { 495 ++recursive; 496 497 clip_init(TRUE); 498 499 /* If can't initialize, don't try doing the rest */ 500 if (gui_init_check() == FAIL) 501 { 502 --recursive; 503 clip_init(FALSE); 504 return; 505 } 506 507 /* 508 * Reset 'paste'. It's useful in the terminal, but not in the GUI. It 509 * breaks the Paste toolbar button. 510 */ 511 set_option_value((char_u *)"paste", 0L, NULL, 0); 512 513 /* 514 * Set up system-wide default menus. 515 */ 516 #if defined(SYS_MENU_FILE) && defined(FEAT_MENU) 517 if (vim_strchr(p_go, GO_NOSYSMENU) == NULL) 518 { 519 sys_menu = TRUE; 520 do_source((char_u *)SYS_MENU_FILE, FALSE, DOSO_NONE); 521 sys_menu = FALSE; 522 } 523 #endif 524 525 /* 526 * Switch on the mouse by default, unless the user changed it already. 527 * This can then be changed in the .gvimrc. 528 */ 529 if (!option_was_set((char_u *)"mouse")) 530 set_string_option_direct((char_u *)"mouse", -1, 531 (char_u *)"a", OPT_FREE, SID_NONE); 532 533 /* 534 * If -U option given, use only the initializations from that file and 535 * nothing else. Skip all initializations for "-U NONE" or "-u NORC". 536 */ 537 if (use_gvimrc != NULL) 538 { 539 if (STRCMP(use_gvimrc, "NONE") != 0 540 && STRCMP(use_gvimrc, "NORC") != 0 541 && do_source(use_gvimrc, FALSE, DOSO_NONE) != OK) 542 semsg(_("E230: Cannot read from \"%s\""), use_gvimrc); 543 } 544 else 545 { 546 /* 547 * Get system wide defaults for gvim, only when file name defined. 548 */ 549 #ifdef SYS_GVIMRC_FILE 550 do_source((char_u *)SYS_GVIMRC_FILE, FALSE, DOSO_NONE); 551 #endif 552 553 /* 554 * Try to read GUI initialization commands from the following 555 * places: 556 * - environment variable GVIMINIT 557 * - the user gvimrc file (~/.gvimrc) 558 * - the second user gvimrc file ($VIM/.gvimrc for Dos) 559 * - the third user gvimrc file ($VIM/.gvimrc for Amiga) 560 * The first that exists is used, the rest is ignored. 561 */ 562 if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL 563 && do_source((char_u *)USR_GVIMRC_FILE, TRUE, 564 DOSO_GVIMRC) == FAIL 565 #ifdef USR_GVIMRC_FILE2 566 && do_source((char_u *)USR_GVIMRC_FILE2, TRUE, 567 DOSO_GVIMRC) == FAIL 568 #endif 569 #ifdef USR_GVIMRC_FILE3 570 && do_source((char_u *)USR_GVIMRC_FILE3, TRUE, 571 DOSO_GVIMRC) == FAIL 572 #endif 573 ) 574 { 575 #ifdef USR_GVIMRC_FILE4 576 (void)do_source((char_u *)USR_GVIMRC_FILE4, TRUE, DOSO_GVIMRC); 577 #endif 578 } 579 580 /* 581 * Read initialization commands from ".gvimrc" in current 582 * directory. This is only done if the 'exrc' option is set. 583 * Because of security reasons we disallow shell and write 584 * commands now, except for unix if the file is owned by the user 585 * or 'secure' option has been reset in environment of global 586 * ".gvimrc". 587 * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE, 588 * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE. 589 */ 590 if (p_exrc) 591 { 592 #ifdef UNIX 593 { 594 stat_T s; 595 596 /* if ".gvimrc" file is not owned by user, set 'secure' 597 * mode */ 598 if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid()) 599 secure = p_secure; 600 } 601 #else 602 secure = p_secure; 603 #endif 604 605 if ( fullpathcmp((char_u *)USR_GVIMRC_FILE, 606 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 607 #ifdef SYS_GVIMRC_FILE 608 && fullpathcmp((char_u *)SYS_GVIMRC_FILE, 609 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 610 #endif 611 #ifdef USR_GVIMRC_FILE2 612 && fullpathcmp((char_u *)USR_GVIMRC_FILE2, 613 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 614 #endif 615 #ifdef USR_GVIMRC_FILE3 616 && fullpathcmp((char_u *)USR_GVIMRC_FILE3, 617 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 618 #endif 619 #ifdef USR_GVIMRC_FILE4 620 && fullpathcmp((char_u *)USR_GVIMRC_FILE4, 621 (char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME 622 #endif 623 ) 624 do_source((char_u *)GVIMRC_FILE, TRUE, DOSO_GVIMRC); 625 626 if (secure == 2) 627 need_wait_return = TRUE; 628 secure = 0; 629 } 630 } 631 632 if (need_wait_return || msg_didany) 633 wait_return(TRUE); 634 635 --recursive; 636 } 637 638 /* If recursive call opened the shell, return here from the first call */ 639 if (gui.in_use) 640 return; 641 642 /* 643 * Create the GUI shell. 644 */ 645 gui.in_use = TRUE; /* Must be set after menus have been set up */ 646 if (gui_mch_init() == FAIL) 647 goto error; 648 649 /* Avoid a delay for an error message that was printed in the terminal 650 * where Vim was started. */ 651 emsg_on_display = FALSE; 652 msg_scrolled = 0; 653 clear_sb_text(TRUE); 654 need_wait_return = FALSE; 655 msg_didany = FALSE; 656 657 /* 658 * Check validity of any generic resources that may have been loaded. 659 */ 660 if (gui.border_width < 0) 661 gui.border_width = 0; 662 663 /* 664 * Set up the fonts. First use a font specified with "-fn" or "-font". 665 */ 666 if (font_argument != NULL) 667 set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0); 668 if ( 669 #ifdef FEAT_XFONTSET 670 (*p_guifontset == NUL 671 || gui_init_font(p_guifontset, TRUE) == FAIL) && 672 #endif 673 gui_init_font(*p_guifont == NUL ? hl_get_font_name() 674 : p_guifont, FALSE) == FAIL) 675 { 676 emsg(_("E665: Cannot start GUI, no valid font found")); 677 goto error2; 678 } 679 if (gui_get_wide_font() == FAIL) 680 emsg(_("E231: 'guifontwide' invalid")); 681 682 gui.num_cols = Columns; 683 gui.num_rows = Rows; 684 gui_reset_scroll_region(); 685 686 /* Create initial scrollbars */ 687 FOR_ALL_WINDOWS(wp) 688 { 689 gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp); 690 gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp); 691 } 692 gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL); 693 694 #ifdef FEAT_MENU 695 gui_create_initial_menus(root_menu); 696 #endif 697 #ifdef FEAT_SIGN_ICONS 698 sign_gui_started(); 699 #endif 700 701 /* Configure the desired menu and scrollbars */ 702 gui_init_which_components(NULL); 703 704 /* All components of the GUI have been created now */ 705 gui.shell_created = TRUE; 706 707 #ifdef FEAT_GUI_MSWIN 708 // Set the shell size, adjusted for the screen size. For GTK this only 709 // works after the shell has been opened, thus it is further down. 710 // If the window is already maximized (e.g. when --windowid is passed in), 711 // we want to use the system-provided dimensions by passing FALSE to 712 // mustset. Otherwise, we want to initialize with the default rows/columns. 713 if (gui_mch_maximized()) 714 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 715 else 716 gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH); 717 #else 718 # ifndef FEAT_GUI_GTK 719 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 720 # endif 721 #endif 722 #if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 723 /* Need to set the size of the menubar after all the menus have been 724 * created. */ 725 gui_mch_compute_menu_height((Widget)0); 726 #endif 727 728 /* 729 * Actually open the GUI shell. 730 */ 731 if (gui_mch_open() != FAIL) 732 { 733 #ifdef FEAT_TITLE 734 maketitle(); 735 resettitle(); 736 #endif 737 init_gui_options(); 738 #ifdef FEAT_ARABIC 739 /* Our GUI can't do bidi. */ 740 p_tbidi = FALSE; 741 #endif 742 #if defined(FEAT_GUI_GTK) 743 /* Give GTK+ a chance to put all widget's into place. */ 744 gui_mch_update(); 745 746 # ifdef FEAT_MENU 747 /* If there is no 'm' in 'guioptions' we need to remove the menu now. 748 * It was still there to make F10 work. */ 749 if (vim_strchr(p_go, GO_MENUS) == NULL) 750 { 751 --gui.starting; 752 gui_mch_enable_menu(FALSE); 753 ++gui.starting; 754 gui_mch_update(); 755 } 756 # endif 757 758 /* Now make sure the shell fits on the screen. */ 759 if (gui_mch_maximized()) 760 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 761 else 762 gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH); 763 #endif 764 /* When 'lines' was set while starting up the topframe may have to be 765 * resized. */ 766 win_new_shellsize(); 767 768 #ifdef FEAT_BEVAL_GUI 769 /* Always create the Balloon Evaluation area, but disable it when 770 * 'ballooneval' is off. */ 771 if (balloonEval != NULL) 772 { 773 # ifdef FEAT_VARTABS 774 vim_free(balloonEval->vts); 775 # endif 776 vim_free(balloonEval); 777 } 778 balloonEvalForTerm = FALSE; 779 # ifdef FEAT_GUI_GTK 780 balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL, 781 &general_beval_cb, NULL); 782 # else 783 # if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) 784 { 785 extern Widget textArea; 786 balloonEval = gui_mch_create_beval_area(textArea, NULL, 787 &general_beval_cb, NULL); 788 } 789 # else 790 # ifdef FEAT_GUI_MSWIN 791 balloonEval = gui_mch_create_beval_area(NULL, NULL, 792 &general_beval_cb, NULL); 793 # endif 794 # endif 795 # endif 796 if (!p_beval) 797 gui_mch_disable_beval_area(balloonEval); 798 #endif 799 800 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) 801 if (!im_xim_isvalid_imactivate()) 802 emsg(_("E599: Value of 'imactivatekey' is invalid")); 803 #endif 804 /* When 'cmdheight' was set during startup it may not have taken 805 * effect yet. */ 806 if (p_ch != 1L) 807 command_height(); 808 809 return; 810 } 811 812 error2: 813 #ifdef FEAT_GUI_X11 814 /* undo gui_mch_init() */ 815 gui_mch_uninit(); 816 #endif 817 818 error: 819 gui.in_use = FALSE; 820 clip_init(FALSE); 821 } 822 823 824 void 825 gui_exit(int rc) 826 { 827 /* don't free the fonts, it leads to a BUS error 828 * [email protected] Jul 99 */ 829 free_highlight_fonts(); 830 gui.in_use = FALSE; 831 gui_mch_exit(rc); 832 } 833 834 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \ 835 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(PROTO) 836 # define NEED_GUI_UPDATE_SCREEN 1 837 /* 838 * Called when the GUI shell is closed by the user. If there are no changed 839 * files Vim exits, otherwise there will be a dialog to ask the user what to 840 * do. 841 * When this function returns, Vim should NOT exit! 842 */ 843 void 844 gui_shell_closed(void) 845 { 846 cmdmod_T save_cmdmod; 847 848 save_cmdmod = cmdmod; 849 850 /* Only exit when there are no changed files */ 851 exiting = TRUE; 852 # ifdef FEAT_BROWSE 853 cmdmod.browse = TRUE; 854 # endif 855 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 856 cmdmod.confirm = TRUE; 857 # endif 858 /* If there are changed buffers, present the user with a dialog if 859 * possible, otherwise give an error message. */ 860 if (!check_changed_any(FALSE, FALSE)) 861 getout(0); 862 863 exiting = FALSE; 864 cmdmod = save_cmdmod; 865 gui_update_screen(); /* redraw, window may show changed buffer */ 866 } 867 #endif 868 869 /* 870 * Set the font. "font_list" is a comma separated list of font names. The 871 * first font name that works is used. If none is found, use the default 872 * font. 873 * If "fontset" is TRUE, the "font_list" is used as one name for the fontset. 874 * Return OK when able to set the font. When it failed FAIL is returned and 875 * the fonts are unchanged. 876 */ 877 int 878 gui_init_font(char_u *font_list, int fontset UNUSED) 879 { 880 #define FONTLEN 320 881 char_u font_name[FONTLEN]; 882 int font_list_empty = FALSE; 883 int ret = FAIL; 884 885 if (!gui.in_use) 886 return FAIL; 887 888 font_name[0] = NUL; 889 if (*font_list == NUL) 890 font_list_empty = TRUE; 891 else 892 { 893 #ifdef FEAT_XFONTSET 894 /* When using a fontset, the whole list of fonts is one name. */ 895 if (fontset) 896 ret = gui_mch_init_font(font_list, TRUE); 897 else 898 #endif 899 while (*font_list != NUL) 900 { 901 /* Isolate one comma separated font name. */ 902 (void)copy_option_part(&font_list, font_name, FONTLEN, ","); 903 904 /* Careful!!! The Win32 version of gui_mch_init_font(), when 905 * called with "*" will change p_guifont to the selected font 906 * name, which frees the old value. This makes font_list 907 * invalid. Thus when OK is returned here, font_list must no 908 * longer be used! */ 909 if (gui_mch_init_font(font_name, FALSE) == OK) 910 { 911 #if !defined(FEAT_GUI_GTK) 912 /* If it's a Unicode font, try setting 'guifontwide' to a 913 * similar double-width font. */ 914 if ((p_guifontwide == NULL || *p_guifontwide == NUL) 915 && strstr((char *)font_name, "10646") != NULL) 916 set_guifontwide(font_name); 917 #endif 918 ret = OK; 919 break; 920 } 921 } 922 } 923 924 if (ret != OK 925 && STRCMP(font_list, "*") != 0 926 && (font_list_empty || gui.norm_font == NOFONT)) 927 { 928 /* 929 * Couldn't load any font in 'font_list', keep the current font if 930 * there is one. If 'font_list' is empty, or if there is no current 931 * font, tell gui_mch_init_font() to try to find a font we can load. 932 */ 933 ret = gui_mch_init_font(NULL, FALSE); 934 } 935 936 if (ret == OK) 937 { 938 #ifndef FEAT_GUI_GTK 939 /* Set normal font as current font */ 940 # ifdef FEAT_XFONTSET 941 if (gui.fontset != NOFONTSET) 942 gui_mch_set_fontset(gui.fontset); 943 else 944 # endif 945 gui_mch_set_font(gui.norm_font); 946 #endif 947 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 948 } 949 950 return ret; 951 } 952 953 #ifndef FEAT_GUI_GTK 954 /* 955 * Try setting 'guifontwide' to a font twice as wide as "name". 956 */ 957 static void 958 set_guifontwide(char_u *name) 959 { 960 int i = 0; 961 char_u wide_name[FONTLEN + 10]; /* room for 2 * width and '*' */ 962 char_u *wp = NULL; 963 char_u *p; 964 GuiFont font; 965 966 wp = wide_name; 967 for (p = name; *p != NUL; ++p) 968 { 969 *wp++ = *p; 970 if (*p == '-') 971 { 972 ++i; 973 if (i == 6) /* font type: change "--" to "-*-" */ 974 { 975 if (p[1] == '-') 976 *wp++ = '*'; 977 } 978 else if (i == 12) /* found the width */ 979 { 980 ++p; 981 i = getdigits(&p); 982 if (i != 0) 983 { 984 /* Double the width specification. */ 985 sprintf((char *)wp, "%d%s", i * 2, p); 986 font = gui_mch_get_font(wide_name, FALSE); 987 if (font != NOFONT) 988 { 989 gui_mch_free_font(gui.wide_font); 990 gui.wide_font = font; 991 set_string_option_direct((char_u *)"gfw", -1, 992 wide_name, OPT_FREE, 0); 993 } 994 } 995 break; 996 } 997 } 998 } 999 } 1000 #endif /* !FEAT_GUI_GTK */ 1001 1002 /* 1003 * Get the font for 'guifontwide'. 1004 * Return FAIL for an invalid font name. 1005 */ 1006 int 1007 gui_get_wide_font(void) 1008 { 1009 GuiFont font = NOFONT; 1010 char_u font_name[FONTLEN]; 1011 char_u *p; 1012 1013 if (!gui.in_use) /* Can't allocate font yet, assume it's OK. */ 1014 return OK; /* Will give an error message later. */ 1015 1016 if (p_guifontwide != NULL && *p_guifontwide != NUL) 1017 { 1018 for (p = p_guifontwide; *p != NUL; ) 1019 { 1020 /* Isolate one comma separated font name. */ 1021 (void)copy_option_part(&p, font_name, FONTLEN, ","); 1022 font = gui_mch_get_font(font_name, FALSE); 1023 if (font != NOFONT) 1024 break; 1025 } 1026 if (font == NOFONT) 1027 return FAIL; 1028 } 1029 1030 gui_mch_free_font(gui.wide_font); 1031 #ifdef FEAT_GUI_GTK 1032 /* Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. */ 1033 if (font != NOFONT && gui.norm_font != NOFONT 1034 && pango_font_description_equal(font, gui.norm_font)) 1035 { 1036 gui.wide_font = NOFONT; 1037 gui_mch_free_font(font); 1038 } 1039 else 1040 #endif 1041 gui.wide_font = font; 1042 #ifdef FEAT_GUI_MSWIN 1043 gui_mch_wide_font_changed(); 1044 #else 1045 /* 1046 * TODO: setup wide_bold_font, wide_ital_font and wide_boldital_font to 1047 * support those fonts for 'guifontwide'. 1048 */ 1049 #endif 1050 return OK; 1051 } 1052 1053 void 1054 gui_set_cursor(int row, int col) 1055 { 1056 gui.row = row; 1057 gui.col = col; 1058 } 1059 1060 /* 1061 * gui_check_pos - check if the cursor is on the screen. 1062 */ 1063 static void 1064 gui_check_pos(void) 1065 { 1066 if (gui.row >= screen_Rows) 1067 gui.row = screen_Rows - 1; 1068 if (gui.col >= screen_Columns) 1069 gui.col = screen_Columns - 1; 1070 if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns) 1071 gui.cursor_is_valid = FALSE; 1072 } 1073 1074 /* 1075 * Redraw the cursor if necessary or when forced. 1076 * Careful: The contents of ScreenLines[] must match what is on the screen, 1077 * otherwise this goes wrong. May need to call out_flush() first. 1078 */ 1079 void 1080 gui_update_cursor( 1081 int force, /* when TRUE, update even when not moved */ 1082 int clear_selection)/* clear selection under cursor */ 1083 { 1084 int cur_width = 0; 1085 int cur_height = 0; 1086 int old_hl_mask; 1087 cursorentry_T *shape; 1088 int id; 1089 #ifdef FEAT_TERMINAL 1090 guicolor_T shape_fg = INVALCOLOR; 1091 guicolor_T shape_bg = INVALCOLOR; 1092 #endif 1093 guicolor_T cfg, cbg, cc; /* cursor fore-/background color */ 1094 int cattr; /* cursor attributes */ 1095 int attr; 1096 attrentry_T *aep = NULL; 1097 1098 /* Don't update the cursor when halfway busy scrolling or the screen size 1099 * doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then. */ 1100 if (!can_update_cursor || screen_Columns != gui.num_cols 1101 || screen_Rows != gui.num_rows) 1102 return; 1103 1104 gui_check_pos(); 1105 if (!gui.cursor_is_valid || force 1106 || gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1107 { 1108 gui_undraw_cursor(); 1109 if (gui.row < 0) 1110 return; 1111 #ifdef HAVE_INPUT_METHOD 1112 if (gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1113 im_set_position(gui.row, gui.col); 1114 #endif 1115 gui.cursor_row = gui.row; 1116 gui.cursor_col = gui.col; 1117 1118 /* Only write to the screen after ScreenLines[] has been initialized */ 1119 if (!screen_cleared || ScreenLines == NULL) 1120 return; 1121 1122 /* Clear the selection if we are about to write over it */ 1123 if (clear_selection) 1124 clip_may_clear_selection(gui.row, gui.row); 1125 /* Check that the cursor is inside the shell (resizing may have made 1126 * it invalid) */ 1127 if (gui.row >= screen_Rows || gui.col >= screen_Columns) 1128 return; 1129 1130 gui.cursor_is_valid = TRUE; 1131 1132 /* 1133 * How the cursor is drawn depends on the current mode. 1134 * When in a terminal window use the shape/color specified there. 1135 */ 1136 #ifdef FEAT_TERMINAL 1137 if (terminal_is_active()) 1138 shape = term_get_cursor_shape(&shape_fg, &shape_bg); 1139 else 1140 #endif 1141 shape = &shape_table[get_shape_idx(FALSE)]; 1142 if (State & LANGMAP) 1143 id = shape->id_lm; 1144 else 1145 id = shape->id; 1146 1147 /* get the colors and attributes for the cursor. Default is inverted */ 1148 cfg = INVALCOLOR; 1149 cbg = INVALCOLOR; 1150 cattr = HL_INVERSE; 1151 gui_mch_set_blinking(shape->blinkwait, 1152 shape->blinkon, 1153 shape->blinkoff); 1154 if (shape->blinkwait == 0 || shape->blinkon == 0 1155 || shape->blinkoff == 0) 1156 gui_mch_stop_blink(FALSE); 1157 #ifdef FEAT_TERMINAL 1158 if (shape_bg != INVALCOLOR) 1159 { 1160 cattr = 0; 1161 cfg = shape_fg; 1162 cbg = shape_bg; 1163 } 1164 else 1165 #endif 1166 if (id > 0) 1167 { 1168 cattr = syn_id2colors(id, &cfg, &cbg); 1169 #if defined(HAVE_INPUT_METHOD) || defined(FEAT_HANGULIN) 1170 { 1171 static int iid; 1172 guicolor_T fg, bg; 1173 1174 if ( 1175 # if defined(FEAT_GUI_GTK) && defined(FEAT_XIM) && !defined(FEAT_HANGULIN) 1176 preedit_get_status() 1177 # else 1178 im_get_status() 1179 # endif 1180 ) 1181 { 1182 iid = syn_name2id((char_u *)"CursorIM"); 1183 if (iid > 0) 1184 { 1185 syn_id2colors(iid, &fg, &bg); 1186 if (bg != INVALCOLOR) 1187 cbg = bg; 1188 if (fg != INVALCOLOR) 1189 cfg = fg; 1190 } 1191 } 1192 } 1193 #endif 1194 } 1195 1196 /* 1197 * Get the attributes for the character under the cursor. 1198 * When no cursor color was given, use the character color. 1199 */ 1200 attr = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1201 if (attr > HL_ALL) 1202 aep = syn_gui_attr2entry(attr); 1203 if (aep != NULL) 1204 { 1205 attr = aep->ae_attr; 1206 if (cfg == INVALCOLOR) 1207 cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1208 : aep->ae_u.gui.fg_color); 1209 if (cbg == INVALCOLOR) 1210 cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1211 : aep->ae_u.gui.bg_color); 1212 } 1213 if (cfg == INVALCOLOR) 1214 cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel; 1215 if (cbg == INVALCOLOR) 1216 cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel; 1217 1218 #ifdef FEAT_XIM 1219 if (aep != NULL) 1220 { 1221 xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1222 : aep->ae_u.gui.bg_color); 1223 xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1224 : aep->ae_u.gui.fg_color); 1225 if (xim_bg_color == INVALCOLOR) 1226 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1227 : gui.back_pixel; 1228 if (xim_fg_color == INVALCOLOR) 1229 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1230 : gui.norm_pixel; 1231 } 1232 else 1233 { 1234 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1235 : gui.back_pixel; 1236 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1237 : gui.norm_pixel; 1238 } 1239 #endif 1240 1241 attr &= ~HL_INVERSE; 1242 if (cattr & HL_INVERSE) 1243 { 1244 cc = cbg; 1245 cbg = cfg; 1246 cfg = cc; 1247 } 1248 cattr &= ~HL_INVERSE; 1249 1250 /* 1251 * When we don't have window focus, draw a hollow cursor. 1252 */ 1253 if (!gui.in_focus) 1254 { 1255 gui_mch_draw_hollow_cursor(cbg); 1256 return; 1257 } 1258 1259 old_hl_mask = gui.highlight_mask; 1260 if (shape->shape == SHAPE_BLOCK 1261 #ifdef FEAT_HANGULIN 1262 || composing_hangul 1263 #endif 1264 ) 1265 { 1266 /* 1267 * Draw the text character with the cursor colors. Use the 1268 * character attributes plus the cursor attributes. 1269 */ 1270 gui.highlight_mask = (cattr | attr); 1271 #ifdef FEAT_HANGULIN 1272 if (composing_hangul) 1273 { 1274 char_u *comp_buf; 1275 int comp_len; 1276 1277 comp_buf = hangul_composing_buffer_get(&comp_len); 1278 if (comp_buf) 1279 { 1280 (void)gui_outstr_nowrap(comp_buf, comp_len, 1281 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, 1282 cfg, cbg, 0); 1283 vim_free(comp_buf); 1284 } 1285 } 1286 else 1287 #endif 1288 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1289 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0); 1290 } 1291 else 1292 { 1293 #if defined(FEAT_RIGHTLEFT) 1294 int col_off = FALSE; 1295 #endif 1296 /* 1297 * First draw the partial cursor, then overwrite with the text 1298 * character, using a transparent background. 1299 */ 1300 if (shape->shape == SHAPE_VER) 1301 { 1302 cur_height = gui.char_height; 1303 cur_width = (gui.char_width * shape->percentage + 99) / 100; 1304 } 1305 else 1306 { 1307 cur_height = (gui.char_height * shape->percentage + 99) / 100; 1308 cur_width = gui.char_width; 1309 } 1310 if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col, 1311 LineOffset[gui.row] + screen_Columns) > 1) 1312 { 1313 /* Double wide character. */ 1314 if (shape->shape != SHAPE_VER) 1315 cur_width += gui.char_width; 1316 #ifdef FEAT_RIGHTLEFT 1317 if (CURSOR_BAR_RIGHT) 1318 { 1319 /* gui.col points to the left halve of the character but 1320 * the vertical line needs to be on the right halve. 1321 * A double-wide horizontal line is also drawn from the 1322 * right halve in gui_mch_draw_part_cursor(). */ 1323 col_off = TRUE; 1324 ++gui.col; 1325 } 1326 #endif 1327 } 1328 gui_mch_draw_part_cursor(cur_width, cur_height, cbg); 1329 #if defined(FEAT_RIGHTLEFT) 1330 if (col_off) 1331 --gui.col; 1332 #endif 1333 1334 #ifndef FEAT_GUI_MSWIN /* doesn't seem to work for MSWindows */ 1335 gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1336 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1337 GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR, 1338 (guicolor_T)0, (guicolor_T)0, 0); 1339 #endif 1340 } 1341 gui.highlight_mask = old_hl_mask; 1342 } 1343 } 1344 1345 #if defined(FEAT_MENU) || defined(PROTO) 1346 void 1347 gui_position_menu(void) 1348 { 1349 # if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) 1350 if (gui.menu_is_active && gui.in_use) 1351 gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height); 1352 # endif 1353 } 1354 #endif 1355 1356 /* 1357 * Position the various GUI components (text area, menu). The vertical 1358 * scrollbars are NOT handled here. See gui_update_scrollbars(). 1359 */ 1360 static void 1361 gui_position_components(int total_width UNUSED) 1362 { 1363 int text_area_x; 1364 int text_area_y; 1365 int text_area_width; 1366 int text_area_height; 1367 1368 /* avoid that moving components around generates events */ 1369 ++hold_gui_events; 1370 1371 text_area_x = 0; 1372 if (gui.which_scrollbars[SBAR_LEFT]) 1373 text_area_x += gui.scrollbar_width; 1374 1375 text_area_y = 0; 1376 #if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON)) 1377 gui.menu_width = total_width; 1378 if (gui.menu_is_active) 1379 text_area_y += gui.menu_height; 1380 #endif 1381 #if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN) 1382 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1383 text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 1384 #endif 1385 1386 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1387 || defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MAC)) 1388 if (gui_has_tabline()) 1389 text_area_y += gui.tabline_height; 1390 #endif 1391 1392 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) 1393 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1394 { 1395 # ifdef FEAT_GUI_ATHENA 1396 gui_mch_set_toolbar_pos(0, text_area_y, 1397 gui.menu_width, gui.toolbar_height); 1398 # endif 1399 text_area_y += gui.toolbar_height; 1400 } 1401 #endif 1402 1403 text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2; 1404 text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2; 1405 1406 gui_mch_set_text_area_pos(text_area_x, 1407 text_area_y, 1408 text_area_width, 1409 text_area_height 1410 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1411 + xim_get_status_area_height() 1412 #endif 1413 ); 1414 #ifdef FEAT_MENU 1415 gui_position_menu(); 1416 #endif 1417 if (gui.which_scrollbars[SBAR_BOTTOM]) 1418 gui_mch_set_scrollbar_pos(&gui.bottom_sbar, 1419 text_area_x, 1420 text_area_y + text_area_height, 1421 text_area_width, 1422 gui.scrollbar_height); 1423 gui.left_sbar_x = 0; 1424 gui.right_sbar_x = text_area_x + text_area_width; 1425 1426 --hold_gui_events; 1427 } 1428 1429 /* 1430 * Get the width of the widgets and decorations to the side of the text area. 1431 */ 1432 int 1433 gui_get_base_width(void) 1434 { 1435 int base_width; 1436 1437 base_width = 2 * gui.border_offset; 1438 if (gui.which_scrollbars[SBAR_LEFT]) 1439 base_width += gui.scrollbar_width; 1440 if (gui.which_scrollbars[SBAR_RIGHT]) 1441 base_width += gui.scrollbar_width; 1442 return base_width; 1443 } 1444 1445 /* 1446 * Get the height of the widgets and decorations above and below the text area. 1447 */ 1448 int 1449 gui_get_base_height(void) 1450 { 1451 int base_height; 1452 1453 base_height = 2 * gui.border_offset; 1454 if (gui.which_scrollbars[SBAR_BOTTOM]) 1455 base_height += gui.scrollbar_height; 1456 #ifdef FEAT_GUI_GTK 1457 /* We can't take the sizes properly into account until anything is 1458 * realized. Therefore we recalculate all the values here just before 1459 * setting the size. (--mdcki) */ 1460 #else 1461 # ifdef FEAT_MENU 1462 if (gui.menu_is_active) 1463 base_height += gui.menu_height; 1464 # endif 1465 # ifdef FEAT_TOOLBAR 1466 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1467 # if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR) 1468 base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT); 1469 # else 1470 base_height += gui.toolbar_height; 1471 # endif 1472 # endif 1473 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1474 || defined(FEAT_GUI_MOTIF)) 1475 if (gui_has_tabline()) 1476 base_height += gui.tabline_height; 1477 # endif 1478 # ifdef FEAT_FOOTER 1479 if (vim_strchr(p_go, GO_FOOTER) != NULL) 1480 base_height += gui.footer_height; 1481 # endif 1482 # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 1483 base_height += gui_mch_text_area_extra_height(); 1484 # endif 1485 #endif 1486 return base_height; 1487 } 1488 1489 /* 1490 * Should be called after the GUI shell has been resized. Its arguments are 1491 * the new width and height of the shell in pixels. 1492 */ 1493 void 1494 gui_resize_shell(int pixel_width, int pixel_height) 1495 { 1496 static int busy = FALSE; 1497 1498 if (!gui.shell_created) /* ignore when still initializing */ 1499 return; 1500 1501 /* 1502 * Can't resize the screen while it is being redrawn. Remember the new 1503 * size and handle it later. 1504 */ 1505 if (updating_screen || busy) 1506 { 1507 new_pixel_width = pixel_width; 1508 new_pixel_height = pixel_height; 1509 return; 1510 } 1511 1512 again: 1513 new_pixel_width = 0; 1514 new_pixel_height = 0; 1515 busy = TRUE; 1516 1517 /* Flush pending output before redrawing */ 1518 out_flush(); 1519 1520 gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width; 1521 gui.num_rows = (pixel_height - gui_get_base_height()) / gui.char_height; 1522 1523 gui_position_components(pixel_width); 1524 gui_reset_scroll_region(); 1525 1526 /* 1527 * At the "more" and ":confirm" prompt there is no redraw, put the cursor 1528 * at the last line here (why does it have to be one row too low?). 1529 */ 1530 if (State == ASKMORE || State == CONFIRM) 1531 gui.row = gui.num_rows; 1532 1533 /* Only comparing Rows and Columns may be sufficient, but let's stay on 1534 * the safe side. */ 1535 if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns 1536 || gui.num_rows != Rows || gui.num_cols != Columns) 1537 shell_resized(); 1538 1539 gui_update_scrollbars(TRUE); 1540 gui_update_cursor(FALSE, TRUE); 1541 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1542 xim_set_status_area(); 1543 #endif 1544 1545 busy = FALSE; 1546 1547 /* We may have been called again while redrawing the screen. 1548 * Need to do it all again with the latest size then. But only if the size 1549 * actually changed. */ 1550 if (new_pixel_height) 1551 { 1552 if (pixel_width == new_pixel_width && pixel_height == new_pixel_height) 1553 { 1554 new_pixel_width = 0; 1555 new_pixel_height = 0; 1556 } 1557 else 1558 { 1559 pixel_width = new_pixel_width; 1560 pixel_height = new_pixel_height; 1561 goto again; 1562 } 1563 } 1564 } 1565 1566 /* 1567 * Check if gui_resize_shell() must be called. 1568 */ 1569 void 1570 gui_may_resize_shell(void) 1571 { 1572 if (new_pixel_height) 1573 /* careful: gui_resize_shell() may postpone the resize again if we 1574 * were called indirectly by it */ 1575 gui_resize_shell(new_pixel_width, new_pixel_height); 1576 } 1577 1578 int 1579 gui_get_shellsize(void) 1580 { 1581 Rows = gui.num_rows; 1582 Columns = gui.num_cols; 1583 return OK; 1584 } 1585 1586 /* 1587 * Set the size of the Vim shell according to Rows and Columns. 1588 * If "fit_to_display" is TRUE then the size may be reduced to fit the window 1589 * on the screen. 1590 * When "mustset" is TRUE the size was set by the user. When FALSE a UI 1591 * component was added or removed (e.g., a scrollbar). 1592 */ 1593 void 1594 gui_set_shellsize( 1595 int mustset UNUSED, 1596 int fit_to_display, 1597 int direction) /* RESIZE_HOR, RESIZE_VER */ 1598 { 1599 int base_width; 1600 int base_height; 1601 int width; 1602 int height; 1603 int min_width; 1604 int min_height; 1605 int screen_w; 1606 int screen_h; 1607 #ifdef FEAT_GUI_GTK 1608 int un_maximize = mustset; 1609 int did_adjust = 0; 1610 #endif 1611 int x = -1, y = -1; 1612 1613 if (!gui.shell_created) 1614 return; 1615 1616 #if defined(MSWIN) || defined(FEAT_GUI_GTK) 1617 /* If not setting to a user specified size and maximized, calculate the 1618 * number of characters that fit in the maximized window. */ 1619 if (!mustset && (vim_strchr(p_go, GO_KEEPWINSIZE) != NULL 1620 || gui_mch_maximized())) 1621 { 1622 gui_mch_newfont(); 1623 return; 1624 } 1625 #endif 1626 1627 base_width = gui_get_base_width(); 1628 base_height = gui_get_base_height(); 1629 if (fit_to_display) 1630 /* Remember the original window position. */ 1631 (void)gui_mch_get_winpos(&x, &y); 1632 1633 width = Columns * gui.char_width + base_width; 1634 height = Rows * gui.char_height + base_height; 1635 1636 if (fit_to_display) 1637 { 1638 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1639 if ((direction & RESIZE_HOR) && width > screen_w) 1640 { 1641 Columns = (screen_w - base_width) / gui.char_width; 1642 if (Columns < MIN_COLUMNS) 1643 Columns = MIN_COLUMNS; 1644 width = Columns * gui.char_width + base_width; 1645 #ifdef FEAT_GUI_GTK 1646 ++did_adjust; 1647 #endif 1648 } 1649 if ((direction & RESIZE_VERT) && height > screen_h) 1650 { 1651 Rows = (screen_h - base_height) / gui.char_height; 1652 check_shellsize(); 1653 height = Rows * gui.char_height + base_height; 1654 #ifdef FEAT_GUI_GTK 1655 ++did_adjust; 1656 #endif 1657 } 1658 #ifdef FEAT_GUI_GTK 1659 if (did_adjust == 2 || (width + gui.char_width >= screen_w 1660 && height + gui.char_height >= screen_h)) 1661 /* don't unmaximize if at maximum size */ 1662 un_maximize = FALSE; 1663 #endif 1664 } 1665 limit_screen_size(); 1666 gui.num_cols = Columns; 1667 gui.num_rows = Rows; 1668 1669 min_width = base_width + MIN_COLUMNS * gui.char_width; 1670 min_height = base_height + MIN_LINES * gui.char_height; 1671 min_height += tabline_height() * gui.char_height; 1672 1673 #ifdef FEAT_GUI_GTK 1674 if (un_maximize) 1675 { 1676 /* If the window size is smaller than the screen unmaximize the 1677 * window, otherwise resizing won't work. */ 1678 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1679 if ((width + gui.char_width < screen_w 1680 || height + gui.char_height * 2 < screen_h) 1681 && gui_mch_maximized()) 1682 gui_mch_unmaximize(); 1683 } 1684 #endif 1685 1686 gui_mch_set_shellsize(width, height, min_width, min_height, 1687 base_width, base_height, direction); 1688 1689 if (fit_to_display && x >= 0 && y >= 0) 1690 { 1691 /* Some window managers put the Vim window left of/above the screen. 1692 * Only change the position if it wasn't already negative before 1693 * (happens on MS-Windows with a secondary monitor). */ 1694 gui_mch_update(); 1695 if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0)) 1696 gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y); 1697 } 1698 1699 gui_position_components(width); 1700 gui_update_scrollbars(TRUE); 1701 gui_reset_scroll_region(); 1702 } 1703 1704 /* 1705 * Called when Rows and/or Columns has changed. 1706 */ 1707 void 1708 gui_new_shellsize(void) 1709 { 1710 gui_reset_scroll_region(); 1711 } 1712 1713 /* 1714 * Make scroll region cover whole screen. 1715 */ 1716 void 1717 gui_reset_scroll_region(void) 1718 { 1719 gui.scroll_region_top = 0; 1720 gui.scroll_region_bot = gui.num_rows - 1; 1721 gui.scroll_region_left = 0; 1722 gui.scroll_region_right = gui.num_cols - 1; 1723 } 1724 1725 void 1726 gui_start_highlight(int mask) 1727 { 1728 if (mask > HL_ALL) /* highlight code */ 1729 gui.highlight_mask = mask; 1730 else /* mask */ 1731 gui.highlight_mask |= mask; 1732 } 1733 1734 void 1735 gui_stop_highlight(int mask) 1736 { 1737 if (mask > HL_ALL) /* highlight code */ 1738 gui.highlight_mask = HL_NORMAL; 1739 else /* mask */ 1740 gui.highlight_mask &= ~mask; 1741 } 1742 1743 /* 1744 * Clear a rectangular region of the screen from text pos (row1, col1) to 1745 * (row2, col2) inclusive. 1746 */ 1747 void 1748 gui_clear_block( 1749 int row1, 1750 int col1, 1751 int row2, 1752 int col2) 1753 { 1754 /* Clear the selection if we are about to write over it */ 1755 clip_may_clear_selection(row1, row2); 1756 1757 gui_mch_clear_block(row1, col1, row2, col2); 1758 1759 /* Invalidate cursor if it was in this block */ 1760 if ( gui.cursor_row >= row1 && gui.cursor_row <= row2 1761 && gui.cursor_col >= col1 && gui.cursor_col <= col2) 1762 gui.cursor_is_valid = FALSE; 1763 } 1764 1765 /* 1766 * Write code to update the cursor later. This avoids the need to flush the 1767 * output buffer before calling gui_update_cursor(). 1768 */ 1769 void 1770 gui_update_cursor_later(void) 1771 { 1772 OUT_STR(IF_EB("\033|s", ESC_STR "|s")); 1773 } 1774 1775 void 1776 gui_write( 1777 char_u *s, 1778 int len) 1779 { 1780 char_u *p; 1781 int arg1 = 0, arg2 = 0; 1782 int force_cursor = FALSE; /* force cursor update */ 1783 int force_scrollbar = FALSE; 1784 static win_T *old_curwin = NULL; 1785 1786 /* #define DEBUG_GUI_WRITE */ 1787 #ifdef DEBUG_GUI_WRITE 1788 { 1789 int i; 1790 char_u *str; 1791 1792 printf("gui_write(%d):\n ", len); 1793 for (i = 0; i < len; i++) 1794 if (s[i] == ESC) 1795 { 1796 if (i != 0) 1797 printf("\n "); 1798 printf("<ESC>"); 1799 } 1800 else 1801 { 1802 str = transchar_byte(s[i]); 1803 if (str[0] && str[1]) 1804 printf("<%s>", (char *)str); 1805 else 1806 printf("%s", (char *)str); 1807 } 1808 printf("\n"); 1809 } 1810 #endif 1811 while (len) 1812 { 1813 if (s[0] == ESC && s[1] == '|') 1814 { 1815 p = s + 2; 1816 if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(*(p + 1)))) 1817 { 1818 arg1 = getdigits(&p); 1819 if (p > s + len) 1820 break; 1821 if (*p == ';') 1822 { 1823 ++p; 1824 arg2 = getdigits(&p); 1825 if (p > s + len) 1826 break; 1827 } 1828 } 1829 switch (*p) 1830 { 1831 case 'C': /* Clear screen */ 1832 clip_scroll_selection(9999); 1833 gui_mch_clear_all(); 1834 gui.cursor_is_valid = FALSE; 1835 force_scrollbar = TRUE; 1836 break; 1837 case 'M': /* Move cursor */ 1838 gui_set_cursor(arg1, arg2); 1839 break; 1840 case 's': /* force cursor (shape) update */ 1841 force_cursor = TRUE; 1842 break; 1843 case 'R': /* Set scroll region */ 1844 if (arg1 < arg2) 1845 { 1846 gui.scroll_region_top = arg1; 1847 gui.scroll_region_bot = arg2; 1848 } 1849 else 1850 { 1851 gui.scroll_region_top = arg2; 1852 gui.scroll_region_bot = arg1; 1853 } 1854 break; 1855 case 'V': /* Set vertical scroll region */ 1856 if (arg1 < arg2) 1857 { 1858 gui.scroll_region_left = arg1; 1859 gui.scroll_region_right = arg2; 1860 } 1861 else 1862 { 1863 gui.scroll_region_left = arg2; 1864 gui.scroll_region_right = arg1; 1865 } 1866 break; 1867 case 'd': /* Delete line */ 1868 gui_delete_lines(gui.row, 1); 1869 break; 1870 case 'D': /* Delete lines */ 1871 gui_delete_lines(gui.row, arg1); 1872 break; 1873 case 'i': /* Insert line */ 1874 gui_insert_lines(gui.row, 1); 1875 break; 1876 case 'I': /* Insert lines */ 1877 gui_insert_lines(gui.row, arg1); 1878 break; 1879 case '$': /* Clear to end-of-line */ 1880 gui_clear_block(gui.row, gui.col, gui.row, 1881 (int)Columns - 1); 1882 break; 1883 case 'h': /* Turn on highlighting */ 1884 gui_start_highlight(arg1); 1885 break; 1886 case 'H': /* Turn off highlighting */ 1887 gui_stop_highlight(arg1); 1888 break; 1889 case 'f': /* flash the window (visual bell) */ 1890 gui_mch_flash(arg1 == 0 ? 20 : arg1); 1891 break; 1892 default: 1893 p = s + 1; /* Skip the ESC */ 1894 break; 1895 } 1896 len -= (int)(++p - s); 1897 s = p; 1898 } 1899 else if ( 1900 #ifdef EBCDIC 1901 CtrlChar(s[0]) != 0 /* Ctrl character */ 1902 #else 1903 s[0] < 0x20 /* Ctrl character */ 1904 #endif 1905 #ifdef FEAT_SIGN_ICONS 1906 && s[0] != SIGN_BYTE 1907 # ifdef FEAT_NETBEANS_INTG 1908 && s[0] != MULTISIGN_BYTE 1909 # endif 1910 #endif 1911 ) 1912 { 1913 if (s[0] == '\n') /* NL */ 1914 { 1915 gui.col = 0; 1916 if (gui.row < gui.scroll_region_bot) 1917 gui.row++; 1918 else 1919 gui_delete_lines(gui.scroll_region_top, 1); 1920 } 1921 else if (s[0] == '\r') /* CR */ 1922 { 1923 gui.col = 0; 1924 } 1925 else if (s[0] == '\b') /* Backspace */ 1926 { 1927 if (gui.col) 1928 --gui.col; 1929 } 1930 else if (s[0] == Ctrl_L) /* cursor-right */ 1931 { 1932 ++gui.col; 1933 } 1934 else if (s[0] == Ctrl_G) /* Beep */ 1935 { 1936 gui_mch_beep(); 1937 } 1938 /* Other Ctrl character: shouldn't happen! */ 1939 1940 --len; /* Skip this char */ 1941 ++s; 1942 } 1943 else 1944 { 1945 p = s; 1946 while (len > 0 && ( 1947 #ifdef EBCDIC 1948 CtrlChar(*p) == 0 1949 #else 1950 *p >= 0x20 1951 #endif 1952 #ifdef FEAT_SIGN_ICONS 1953 || *p == SIGN_BYTE 1954 # ifdef FEAT_NETBEANS_INTG 1955 || *p == MULTISIGN_BYTE 1956 # endif 1957 #endif 1958 )) 1959 { 1960 len--; 1961 p++; 1962 } 1963 gui_outstr(s, (int)(p - s)); 1964 s = p; 1965 } 1966 } 1967 1968 /* Postponed update of the cursor (won't work if "can_update_cursor" isn't 1969 * set). */ 1970 if (force_cursor) 1971 gui_update_cursor(TRUE, TRUE); 1972 1973 /* When switching to another window the dragging must have stopped. 1974 * Required for GTK, dragged_sb isn't reset. */ 1975 if (old_curwin != curwin) 1976 gui.dragged_sb = SBAR_NONE; 1977 1978 /* Update the scrollbars after clearing the screen or when switched 1979 * to another window. 1980 * Update the horizontal scrollbar always, it's difficult to check all 1981 * situations where it might change. */ 1982 if (force_scrollbar || old_curwin != curwin) 1983 gui_update_scrollbars(force_scrollbar); 1984 else 1985 gui_update_horiz_scrollbar(FALSE); 1986 old_curwin = curwin; 1987 1988 /* 1989 * We need to make sure this is cleared since Athena doesn't tell us when 1990 * he is done dragging. Do the same for GTK. 1991 */ 1992 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 1993 gui.dragged_sb = SBAR_NONE; 1994 #endif 1995 1996 gui_may_flush(); /* In case vim decides to take a nap */ 1997 } 1998 1999 /* 2000 * When ScreenLines[] is invalid, updating the cursor should not be done, it 2001 * produces wrong results. Call gui_dont_update_cursor() before that code and 2002 * gui_can_update_cursor() afterwards. 2003 */ 2004 void 2005 gui_dont_update_cursor(int undraw) 2006 { 2007 if (gui.in_use) 2008 { 2009 /* Undraw the cursor now, we probably can't do it after the change. */ 2010 if (undraw) 2011 gui_undraw_cursor(); 2012 can_update_cursor = FALSE; 2013 } 2014 } 2015 2016 void 2017 gui_can_update_cursor(void) 2018 { 2019 can_update_cursor = TRUE; 2020 /* No need to update the cursor right now, there is always more output 2021 * after scrolling. */ 2022 } 2023 2024 /* 2025 * Disable issuing gui_mch_flush(). 2026 */ 2027 void 2028 gui_disable_flush(void) 2029 { 2030 ++disable_flush; 2031 } 2032 2033 /* 2034 * Enable issuing gui_mch_flush(). 2035 */ 2036 void 2037 gui_enable_flush(void) 2038 { 2039 --disable_flush; 2040 } 2041 2042 /* 2043 * Issue gui_mch_flush() if it is not disabled. 2044 */ 2045 void 2046 gui_may_flush(void) 2047 { 2048 if (disable_flush == 0) 2049 gui_mch_flush(); 2050 } 2051 2052 static void 2053 gui_outstr(char_u *s, int len) 2054 { 2055 int this_len; 2056 int cells; 2057 2058 if (len == 0) 2059 return; 2060 2061 if (len < 0) 2062 len = (int)STRLEN(s); 2063 2064 while (len > 0) 2065 { 2066 if (has_mbyte) 2067 { 2068 /* Find out how many chars fit in the current line. */ 2069 cells = 0; 2070 for (this_len = 0; this_len < len; ) 2071 { 2072 cells += (*mb_ptr2cells)(s + this_len); 2073 if (gui.col + cells > Columns) 2074 break; 2075 this_len += (*mb_ptr2len)(s + this_len); 2076 } 2077 if (this_len > len) 2078 this_len = len; /* don't include following composing char */ 2079 } 2080 else 2081 if (gui.col + len > Columns) 2082 this_len = Columns - gui.col; 2083 else 2084 this_len = len; 2085 2086 (void)gui_outstr_nowrap(s, this_len, 2087 0, (guicolor_T)0, (guicolor_T)0, 0); 2088 s += this_len; 2089 len -= this_len; 2090 /* fill up for a double-width char that doesn't fit. */ 2091 if (len > 0 && gui.col < Columns) 2092 (void)gui_outstr_nowrap((char_u *)" ", 1, 2093 0, (guicolor_T)0, (guicolor_T)0, 0); 2094 /* The cursor may wrap to the next line. */ 2095 if (gui.col >= Columns) 2096 { 2097 gui.col = 0; 2098 gui.row++; 2099 } 2100 } 2101 } 2102 2103 /* 2104 * Output one character (may be one or two display cells). 2105 * Caller must check for valid "off". 2106 * Returns FAIL or OK, just like gui_outstr_nowrap(). 2107 */ 2108 static int 2109 gui_screenchar( 2110 int off, /* Offset from start of screen */ 2111 int flags, 2112 guicolor_T fg, /* colors for cursor */ 2113 guicolor_T bg, /* colors for cursor */ 2114 int back) /* backup this many chars when using bold trick */ 2115 { 2116 char_u buf[MB_MAXBYTES + 1]; 2117 2118 /* Don't draw right halve of a double-width UTF-8 char. "cannot happen" */ 2119 if (enc_utf8 && ScreenLines[off] == 0) 2120 return OK; 2121 2122 if (enc_utf8 && ScreenLinesUC[off] != 0) 2123 /* Draw UTF-8 multi-byte character. */ 2124 return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf), 2125 flags, fg, bg, back); 2126 2127 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2128 { 2129 buf[0] = ScreenLines[off]; 2130 buf[1] = ScreenLines2[off]; 2131 return gui_outstr_nowrap(buf, 2, flags, fg, bg, back); 2132 } 2133 2134 /* Draw non-multi-byte character or DBCS character. */ 2135 return gui_outstr_nowrap(ScreenLines + off, 2136 enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1, 2137 flags, fg, bg, back); 2138 } 2139 2140 #ifdef FEAT_GUI_GTK 2141 /* 2142 * Output the string at the given screen position. This is used in place 2143 * of gui_screenchar() where possible because Pango needs as much context 2144 * as possible to work nicely. It's a lot faster as well. 2145 */ 2146 static int 2147 gui_screenstr( 2148 int off, /* Offset from start of screen */ 2149 int len, /* string length in screen cells */ 2150 int flags, 2151 guicolor_T fg, /* colors for cursor */ 2152 guicolor_T bg, /* colors for cursor */ 2153 int back) /* backup this many chars when using bold trick */ 2154 { 2155 char_u *buf; 2156 int outlen = 0; 2157 int i; 2158 int retval; 2159 2160 if (len <= 0) /* "cannot happen"? */ 2161 return OK; 2162 2163 if (enc_utf8) 2164 { 2165 buf = alloc(len * MB_MAXBYTES + 1); 2166 if (buf == NULL) 2167 return OK; /* not much we could do here... */ 2168 2169 for (i = off; i < off + len; ++i) 2170 { 2171 if (ScreenLines[i] == 0) 2172 continue; /* skip second half of double-width char */ 2173 2174 if (ScreenLinesUC[i] == 0) 2175 buf[outlen++] = ScreenLines[i]; 2176 else 2177 outlen += utfc_char2bytes(i, buf + outlen); 2178 } 2179 2180 buf[outlen] = NUL; /* only to aid debugging */ 2181 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2182 vim_free(buf); 2183 2184 return retval; 2185 } 2186 else if (enc_dbcs == DBCS_JPNU) 2187 { 2188 buf = alloc(len * 2 + 1); 2189 if (buf == NULL) 2190 return OK; /* not much we could do here... */ 2191 2192 for (i = off; i < off + len; ++i) 2193 { 2194 buf[outlen++] = ScreenLines[i]; 2195 2196 /* handle double-byte single-width char */ 2197 if (ScreenLines[i] == 0x8e) 2198 buf[outlen++] = ScreenLines2[i]; 2199 else if (MB_BYTE2LEN(ScreenLines[i]) == 2) 2200 buf[outlen++] = ScreenLines[++i]; 2201 } 2202 2203 buf[outlen] = NUL; /* only to aid debugging */ 2204 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2205 vim_free(buf); 2206 2207 return retval; 2208 } 2209 else 2210 { 2211 return gui_outstr_nowrap(&ScreenLines[off], len, 2212 flags, fg, bg, back); 2213 } 2214 } 2215 #endif /* FEAT_GUI_GTK */ 2216 2217 /* 2218 * Output the given string at the current cursor position. If the string is 2219 * too long to fit on the line, then it is truncated. 2220 * "flags": 2221 * GUI_MON_IS_CURSOR should only be used when this function is being called to 2222 * actually draw (an inverted) cursor. 2223 * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparent 2224 * background. 2225 * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over 2226 * it. 2227 * Returns OK, unless "back" is non-zero and using the bold trick, then return 2228 * FAIL (the caller should start drawing "back" chars back). 2229 */ 2230 int 2231 gui_outstr_nowrap( 2232 char_u *s, 2233 int len, 2234 int flags, 2235 guicolor_T fg, /* colors for cursor */ 2236 guicolor_T bg, /* colors for cursor */ 2237 int back) /* backup this many chars when using bold trick */ 2238 { 2239 long_u highlight_mask; 2240 long_u hl_mask_todo; 2241 guicolor_T fg_color; 2242 guicolor_T bg_color; 2243 guicolor_T sp_color; 2244 #if !defined(FEAT_GUI_GTK) 2245 GuiFont font = NOFONT; 2246 GuiFont wide_font = NOFONT; 2247 # ifdef FEAT_XFONTSET 2248 GuiFontset fontset = NOFONTSET; 2249 # endif 2250 #endif 2251 attrentry_T *aep = NULL; 2252 int draw_flags; 2253 int col = gui.col; 2254 #ifdef FEAT_SIGN_ICONS 2255 int draw_sign = FALSE; 2256 int signcol = 0; 2257 char_u extra[18]; 2258 # ifdef FEAT_NETBEANS_INTG 2259 int multi_sign = FALSE; 2260 # endif 2261 #endif 2262 2263 if (len < 0) 2264 len = (int)STRLEN(s); 2265 if (len == 0) 2266 return OK; 2267 2268 #ifdef FEAT_SIGN_ICONS 2269 if (*s == SIGN_BYTE 2270 # ifdef FEAT_NETBEANS_INTG 2271 || *s == MULTISIGN_BYTE 2272 # endif 2273 ) 2274 { 2275 # ifdef FEAT_NETBEANS_INTG 2276 if (*s == MULTISIGN_BYTE) 2277 multi_sign = TRUE; 2278 # endif 2279 /* draw spaces instead */ 2280 if (*curwin->w_p_scl == 'n' && *(curwin->w_p_scl + 1) == 'u' && 2281 (curwin->w_p_nu || curwin->w_p_rnu)) 2282 { 2283 sprintf((char *)extra, "%*c ", number_width(curwin), ' '); 2284 s = extra; 2285 } 2286 else 2287 s = (char_u *)" "; 2288 if (len == 1 && col > 0) 2289 --col; 2290 len = (int)STRLEN(s); 2291 if (len > 2) 2292 // right align sign icon in the number column 2293 signcol = col + len - 3; 2294 else 2295 signcol = col; 2296 draw_sign = TRUE; 2297 highlight_mask = 0; 2298 } 2299 else 2300 #endif 2301 if (gui.highlight_mask > HL_ALL) 2302 { 2303 aep = syn_gui_attr2entry(gui.highlight_mask); 2304 if (aep == NULL) /* highlighting not set */ 2305 highlight_mask = 0; 2306 else 2307 highlight_mask = aep->ae_attr; 2308 } 2309 else 2310 highlight_mask = gui.highlight_mask; 2311 hl_mask_todo = highlight_mask; 2312 2313 #if !defined(FEAT_GUI_GTK) 2314 /* Set the font */ 2315 if (aep != NULL && aep->ae_u.gui.font != NOFONT) 2316 font = aep->ae_u.gui.font; 2317 # ifdef FEAT_XFONTSET 2318 else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET) 2319 fontset = aep->ae_u.gui.fontset; 2320 # endif 2321 else 2322 { 2323 # ifdef FEAT_XFONTSET 2324 if (gui.fontset != NOFONTSET) 2325 fontset = gui.fontset; 2326 else 2327 # endif 2328 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2329 { 2330 if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT) 2331 { 2332 font = gui.boldital_font; 2333 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC); 2334 } 2335 else if (gui.bold_font != NOFONT) 2336 { 2337 font = gui.bold_font; 2338 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT); 2339 } 2340 else 2341 font = gui.norm_font; 2342 } 2343 else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT) 2344 { 2345 font = gui.ital_font; 2346 hl_mask_todo &= ~HL_ITALIC; 2347 } 2348 else 2349 font = gui.norm_font; 2350 2351 /* 2352 * Choose correct wide_font by font. wide_font should be set with font 2353 * at same time in above block. But it will make many "ifdef" nasty 2354 * blocks. So we do it here. 2355 */ 2356 if (font == gui.boldital_font && gui.wide_boldital_font) 2357 wide_font = gui.wide_boldital_font; 2358 else if (font == gui.bold_font && gui.wide_bold_font) 2359 wide_font = gui.wide_bold_font; 2360 else if (font == gui.ital_font && gui.wide_ital_font) 2361 wide_font = gui.wide_ital_font; 2362 else if (font == gui.norm_font && gui.wide_font) 2363 wide_font = gui.wide_font; 2364 } 2365 # ifdef FEAT_XFONTSET 2366 if (fontset != NOFONTSET) 2367 gui_mch_set_fontset(fontset); 2368 else 2369 # endif 2370 gui_mch_set_font(font); 2371 #endif 2372 2373 draw_flags = 0; 2374 2375 /* Set the color */ 2376 bg_color = gui.back_pixel; 2377 if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus) 2378 { 2379 draw_flags |= DRAW_CURSOR; 2380 fg_color = fg; 2381 bg_color = bg; 2382 sp_color = fg; 2383 } 2384 else if (aep != NULL) 2385 { 2386 fg_color = aep->ae_u.gui.fg_color; 2387 if (fg_color == INVALCOLOR) 2388 fg_color = gui.norm_pixel; 2389 bg_color = aep->ae_u.gui.bg_color; 2390 if (bg_color == INVALCOLOR) 2391 bg_color = gui.back_pixel; 2392 sp_color = aep->ae_u.gui.sp_color; 2393 if (sp_color == INVALCOLOR) 2394 sp_color = fg_color; 2395 } 2396 else 2397 { 2398 fg_color = gui.norm_pixel; 2399 sp_color = fg_color; 2400 } 2401 2402 if (highlight_mask & (HL_INVERSE | HL_STANDOUT)) 2403 { 2404 #if defined(AMIGA) 2405 gui_mch_set_colors(bg_color, fg_color); 2406 #else 2407 gui_mch_set_fg_color(bg_color); 2408 gui_mch_set_bg_color(fg_color); 2409 #endif 2410 } 2411 else 2412 { 2413 #if defined(AMIGA) 2414 gui_mch_set_colors(fg_color, bg_color); 2415 #else 2416 gui_mch_set_fg_color(fg_color); 2417 gui_mch_set_bg_color(bg_color); 2418 #endif 2419 } 2420 gui_mch_set_sp_color(sp_color); 2421 2422 /* Clear the selection if we are about to write over it */ 2423 if (!(flags & GUI_MON_NOCLEAR)) 2424 clip_may_clear_selection(gui.row, gui.row); 2425 2426 2427 /* If there's no bold font, then fake it */ 2428 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2429 draw_flags |= DRAW_BOLD; 2430 2431 /* 2432 * When drawing bold or italic characters the spill-over from the left 2433 * neighbor may be destroyed. Let the caller backup to start redrawing 2434 * just after a blank. 2435 */ 2436 if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC))) 2437 return FAIL; 2438 2439 #if defined(FEAT_GUI_GTK) 2440 /* If there's no italic font, then fake it. 2441 * For GTK2, we don't need a different font for italic style. */ 2442 if (hl_mask_todo & HL_ITALIC) 2443 draw_flags |= DRAW_ITALIC; 2444 2445 /* Do we underline the text? */ 2446 if (hl_mask_todo & HL_UNDERLINE) 2447 draw_flags |= DRAW_UNDERL; 2448 2449 #else 2450 /* Do we underline the text? */ 2451 if ((hl_mask_todo & HL_UNDERLINE) || (hl_mask_todo & HL_ITALIC)) 2452 draw_flags |= DRAW_UNDERL; 2453 #endif 2454 /* Do we undercurl the text? */ 2455 if (hl_mask_todo & HL_UNDERCURL) 2456 draw_flags |= DRAW_UNDERC; 2457 2458 /* Do we strikethrough the text? */ 2459 if (hl_mask_todo & HL_STRIKETHROUGH) 2460 draw_flags |= DRAW_STRIKE; 2461 2462 /* Do we draw transparently? */ 2463 if (flags & GUI_MON_TRS_CURSOR) 2464 draw_flags |= DRAW_TRANSP; 2465 2466 /* 2467 * Draw the text. 2468 */ 2469 #ifdef FEAT_GUI_GTK 2470 /* The value returned is the length in display cells */ 2471 len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags); 2472 #else 2473 if (enc_utf8) 2474 { 2475 int start; /* index of bytes to be drawn */ 2476 int cells; /* cellwidth of bytes to be drawn */ 2477 int thislen; /* length of bytes to be drawn */ 2478 int cn; /* cellwidth of current char */ 2479 int i; /* index of current char */ 2480 int c; /* current char value */ 2481 int cl; /* byte length of current char */ 2482 int comping; /* current char is composing */ 2483 int scol = col; /* screen column */ 2484 int curr_wide = FALSE; /* use 'guifontwide' */ 2485 int prev_wide = FALSE; 2486 int wide_changed; 2487 # ifdef MSWIN 2488 int sep_comp = FALSE; /* Don't separate composing chars. */ 2489 # else 2490 int sep_comp = TRUE; /* Separate composing chars. */ 2491 # endif 2492 2493 /* Break the string at a composing character, it has to be drawn on 2494 * top of the previous character. */ 2495 start = 0; 2496 cells = 0; 2497 for (i = 0; i < len; i += cl) 2498 { 2499 c = utf_ptr2char(s + i); 2500 cn = utf_char2cells(c); 2501 comping = utf_iscomposing(c); 2502 if (!comping) /* count cells from non-composing chars */ 2503 cells += cn; 2504 if (!comping || sep_comp) 2505 { 2506 if (cn > 1 2507 # ifdef FEAT_XFONTSET 2508 && fontset == NOFONTSET 2509 # endif 2510 && wide_font != NOFONT) 2511 curr_wide = TRUE; 2512 else 2513 curr_wide = FALSE; 2514 } 2515 cl = utf_ptr2len(s + i); 2516 if (cl == 0) /* hit end of string */ 2517 len = i + cl; /* len must be wrong "cannot happen" */ 2518 2519 wide_changed = curr_wide != prev_wide; 2520 2521 /* Print the string so far if it's the last character or there is 2522 * a composing character. */ 2523 if (i + cl >= len || (comping && sep_comp && i > start) 2524 || wide_changed 2525 # if defined(FEAT_GUI_X11) 2526 || (cn > 1 2527 # ifdef FEAT_XFONTSET 2528 /* No fontset: At least draw char after wide char at 2529 * right position. */ 2530 && fontset == NOFONTSET 2531 # endif 2532 ) 2533 # endif 2534 ) 2535 { 2536 if ((comping && sep_comp) || wide_changed) 2537 thislen = i - start; 2538 else 2539 thislen = i - start + cl; 2540 if (thislen > 0) 2541 { 2542 if (prev_wide) 2543 gui_mch_set_font(wide_font); 2544 gui_mch_draw_string(gui.row, scol, s + start, thislen, 2545 draw_flags); 2546 if (prev_wide) 2547 gui_mch_set_font(font); 2548 start += thislen; 2549 } 2550 scol += cells; 2551 cells = 0; 2552 /* Adjust to not draw a character which width is changed 2553 * against with last one. */ 2554 if (wide_changed && !(comping && sep_comp)) 2555 { 2556 scol -= cn; 2557 cl = 0; 2558 } 2559 2560 # if defined(FEAT_GUI_X11) 2561 /* No fontset: draw a space to fill the gap after a wide char 2562 * */ 2563 if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0 2564 # ifdef FEAT_XFONTSET 2565 && fontset == NOFONTSET 2566 # endif 2567 && !wide_changed) 2568 gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ", 2569 1, draw_flags); 2570 # endif 2571 } 2572 /* Draw a composing char on top of the previous char. */ 2573 if (comping && sep_comp) 2574 { 2575 # if defined(__APPLE_CC__) && TARGET_API_MAC_CARBON 2576 /* Carbon ATSUI autodraws composing char over previous char */ 2577 gui_mch_draw_string(gui.row, scol, s + i, cl, 2578 draw_flags | DRAW_TRANSP); 2579 # else 2580 gui_mch_draw_string(gui.row, scol - cn, s + i, cl, 2581 draw_flags | DRAW_TRANSP); 2582 # endif 2583 start = i + cl; 2584 } 2585 prev_wide = curr_wide; 2586 } 2587 /* The stuff below assumes "len" is the length in screen columns. */ 2588 len = scol - col; 2589 } 2590 else 2591 { 2592 gui_mch_draw_string(gui.row, col, s, len, draw_flags); 2593 if (enc_dbcs == DBCS_JPNU) 2594 { 2595 /* Get the length in display cells, this can be different from the 2596 * number of bytes for "euc-jp". */ 2597 len = mb_string2cells(s, len); 2598 } 2599 } 2600 #endif /* !FEAT_GUI_GTK */ 2601 2602 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2603 gui.col = col + len; 2604 2605 /* May need to invert it when it's part of the selection. */ 2606 if (flags & GUI_MON_NOCLEAR) 2607 clip_may_redraw_selection(gui.row, col, len); 2608 2609 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2610 { 2611 /* Invalidate the old physical cursor position if we wrote over it */ 2612 if (gui.cursor_row == gui.row 2613 && gui.cursor_col >= col 2614 && gui.cursor_col < col + len) 2615 gui.cursor_is_valid = FALSE; 2616 } 2617 2618 #ifdef FEAT_SIGN_ICONS 2619 if (draw_sign) 2620 /* Draw the sign on top of the spaces. */ 2621 gui_mch_drawsign(gui.row, signcol, gui.highlight_mask); 2622 # if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \ 2623 || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MSWIN)) 2624 if (multi_sign) 2625 netbeans_draw_multisign_indicator(gui.row); 2626 # endif 2627 #endif 2628 2629 return OK; 2630 } 2631 2632 /* 2633 * Un-draw the cursor. Actually this just redraws the character at the given 2634 * position. The character just before it too, for when it was in bold. 2635 */ 2636 void 2637 gui_undraw_cursor(void) 2638 { 2639 if (gui.cursor_is_valid) 2640 { 2641 #ifdef FEAT_HANGULIN 2642 if (composing_hangul 2643 && gui.col == gui.cursor_col && gui.row == gui.cursor_row) 2644 { 2645 char_u *comp_buf; 2646 int comp_len; 2647 2648 comp_buf = hangul_composing_buffer_get(&comp_len); 2649 if (comp_buf) 2650 { 2651 (void)gui_outstr_nowrap(comp_buf, comp_len, 2652 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, 2653 gui.norm_pixel, gui.back_pixel, 0); 2654 vim_free(comp_buf); 2655 } 2656 } 2657 else 2658 { 2659 #endif 2660 if (gui_redraw_block(gui.cursor_row, gui.cursor_col, 2661 gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR) 2662 && gui.cursor_col > 0) 2663 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col - 1, 2664 gui.cursor_row, gui.cursor_col - 1, GUI_MON_NOCLEAR); 2665 #ifdef FEAT_HANGULIN 2666 if (composing_hangul) 2667 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col + 1, 2668 gui.cursor_row, gui.cursor_col + 1, GUI_MON_NOCLEAR); 2669 } 2670 #endif 2671 /* Cursor_is_valid is reset when the cursor is undrawn, also reset it 2672 * here in case it wasn't needed to undraw it. */ 2673 gui.cursor_is_valid = FALSE; 2674 } 2675 } 2676 2677 void 2678 gui_redraw( 2679 int x, 2680 int y, 2681 int w, 2682 int h) 2683 { 2684 int row1, col1, row2, col2; 2685 2686 row1 = Y_2_ROW(y); 2687 col1 = X_2_COL(x); 2688 row2 = Y_2_ROW(y + h - 1); 2689 col2 = X_2_COL(x + w - 1); 2690 2691 (void)gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR); 2692 2693 /* 2694 * We may need to redraw the cursor, but don't take it upon us to change 2695 * its location after a scroll. 2696 * (maybe be more strict even and test col too?) 2697 * These things may be outside the update/clipping region and reality may 2698 * not reflect Vims internal ideas if these operations are clipped away. 2699 */ 2700 if (gui.row == gui.cursor_row) 2701 gui_update_cursor(TRUE, TRUE); 2702 } 2703 2704 /* 2705 * Draw a rectangular block of characters, from row1 to row2 (inclusive) and 2706 * from col1 to col2 (inclusive). 2707 * Return TRUE when the character before the first drawn character has 2708 * different attributes (may have to be redrawn too). 2709 */ 2710 int 2711 gui_redraw_block( 2712 int row1, 2713 int col1, 2714 int row2, 2715 int col2, 2716 int flags) /* flags for gui_outstr_nowrap() */ 2717 { 2718 int old_row, old_col; 2719 long_u old_hl_mask; 2720 int off; 2721 sattr_T first_attr; 2722 int idx, len; 2723 int back, nback; 2724 int retval = FALSE; 2725 int orig_col1, orig_col2; 2726 2727 /* Don't try to update when ScreenLines is not valid */ 2728 if (!screen_cleared || ScreenLines == NULL) 2729 return retval; 2730 2731 /* Don't try to draw outside the shell! */ 2732 /* Check everything, strange values may be caused by a big border width */ 2733 col1 = check_col(col1); 2734 col2 = check_col(col2); 2735 row1 = check_row(row1); 2736 row2 = check_row(row2); 2737 2738 /* Remember where our cursor was */ 2739 old_row = gui.row; 2740 old_col = gui.col; 2741 old_hl_mask = gui.highlight_mask; 2742 orig_col1 = col1; 2743 orig_col2 = col2; 2744 2745 for (gui.row = row1; gui.row <= row2; gui.row++) 2746 { 2747 /* When only half of a double-wide character is in the block, include 2748 * the other half. */ 2749 col1 = orig_col1; 2750 col2 = orig_col2; 2751 off = LineOffset[gui.row]; 2752 if (enc_dbcs != 0) 2753 { 2754 if (col1 > 0) 2755 col1 -= dbcs_screen_head_off(ScreenLines + off, 2756 ScreenLines + off + col1); 2757 col2 += dbcs_screen_tail_off(ScreenLines + off, 2758 ScreenLines + off + col2); 2759 } 2760 else if (enc_utf8) 2761 { 2762 if (ScreenLines[off + col1] == 0) 2763 { 2764 if (col1 > 0) 2765 --col1; 2766 else 2767 { 2768 // FIXME: how can the first character ever be zero? 2769 // Make this IEMSGN when it no longer breaks Travis CI. 2770 vim_snprintf((char *)IObuff, IOSIZE, 2771 "INTERNAL ERROR: NUL in ScreenLines in row %ld", 2772 (long)gui.row); 2773 msg((char *)IObuff); 2774 } 2775 } 2776 #ifdef FEAT_GUI_GTK 2777 if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) 2778 ++col2; 2779 #endif 2780 } 2781 gui.col = col1; 2782 off = LineOffset[gui.row] + gui.col; 2783 len = col2 - col1 + 1; 2784 2785 /* Find how many chars back this highlighting starts, or where a space 2786 * is. Needed for when the bold trick is used */ 2787 for (back = 0; back < col1; ++back) 2788 if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off] 2789 || ScreenLines[off - 1 - back] == ' ') 2790 break; 2791 retval = (col1 > 0 && ScreenAttrs[off - 1] != 0 && back == 0 2792 && ScreenLines[off - 1] != ' '); 2793 2794 /* Break it up in strings of characters with the same attributes. */ 2795 /* Print UTF-8 characters individually. */ 2796 while (len > 0) 2797 { 2798 first_attr = ScreenAttrs[off]; 2799 gui.highlight_mask = first_attr; 2800 #if !defined(FEAT_GUI_GTK) 2801 if (enc_utf8 && ScreenLinesUC[off] != 0) 2802 { 2803 /* output multi-byte character separately */ 2804 nback = gui_screenchar(off, flags, 2805 (guicolor_T)0, (guicolor_T)0, back); 2806 if (gui.col < Columns && ScreenLines[off + 1] == 0) 2807 idx = 2; 2808 else 2809 idx = 1; 2810 } 2811 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2812 { 2813 /* output double-byte, single-width character separately */ 2814 nback = gui_screenchar(off, flags, 2815 (guicolor_T)0, (guicolor_T)0, back); 2816 idx = 1; 2817 } 2818 else 2819 #endif 2820 { 2821 #ifdef FEAT_GUI_GTK 2822 for (idx = 0; idx < len; ++idx) 2823 { 2824 if (enc_utf8 && ScreenLines[off + idx] == 0) 2825 continue; /* skip second half of double-width char */ 2826 if (ScreenAttrs[off + idx] != first_attr) 2827 break; 2828 } 2829 /* gui_screenstr() takes care of multibyte chars */ 2830 nback = gui_screenstr(off, idx, flags, 2831 (guicolor_T)0, (guicolor_T)0, back); 2832 #else 2833 for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr; 2834 idx++) 2835 { 2836 /* Stop at a multi-byte Unicode character. */ 2837 if (enc_utf8 && ScreenLinesUC[off + idx] != 0) 2838 break; 2839 if (enc_dbcs == DBCS_JPNU) 2840 { 2841 /* Stop at a double-byte single-width char. */ 2842 if (ScreenLines[off + idx] == 0x8e) 2843 break; 2844 if (len > 1 && (*mb_ptr2len)(ScreenLines 2845 + off + idx) == 2) 2846 ++idx; /* skip second byte of double-byte char */ 2847 } 2848 } 2849 nback = gui_outstr_nowrap(ScreenLines + off, idx, flags, 2850 (guicolor_T)0, (guicolor_T)0, back); 2851 #endif 2852 } 2853 if (nback == FAIL) 2854 { 2855 /* Must back up to start drawing where a bold or italic word 2856 * starts. */ 2857 off -= back; 2858 len += back; 2859 gui.col -= back; 2860 } 2861 else 2862 { 2863 off += idx; 2864 len -= idx; 2865 } 2866 back = 0; 2867 } 2868 } 2869 2870 /* Put the cursor back where it was */ 2871 gui.row = old_row; 2872 gui.col = old_col; 2873 gui.highlight_mask = (int)old_hl_mask; 2874 2875 return retval; 2876 } 2877 2878 static void 2879 gui_delete_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_delete_lines(row, count); 2891 2892 /* If the cursor was in the deleted lines it's now gone. If the 2893 * cursor was in the scrolled lines adjust its position. */ 2894 if (gui.cursor_row >= row 2895 && gui.cursor_col >= gui.scroll_region_left 2896 && gui.cursor_col <= gui.scroll_region_right) 2897 { 2898 if (gui.cursor_row < row + count) 2899 gui.cursor_is_valid = FALSE; 2900 else if (gui.cursor_row <= gui.scroll_region_bot) 2901 gui.cursor_row -= count; 2902 } 2903 } 2904 } 2905 2906 static void 2907 gui_insert_lines(int row, int count) 2908 { 2909 if (count <= 0) 2910 return; 2911 2912 if (row + count > gui.scroll_region_bot) 2913 /* Scrolled out of region, just blank the lines out */ 2914 gui_clear_block(row, gui.scroll_region_left, 2915 gui.scroll_region_bot, gui.scroll_region_right); 2916 else 2917 { 2918 gui_mch_insert_lines(row, count); 2919 2920 if (gui.cursor_row >= gui.row 2921 && gui.cursor_col >= gui.scroll_region_left 2922 && gui.cursor_col <= gui.scroll_region_right) 2923 { 2924 if (gui.cursor_row <= gui.scroll_region_bot - count) 2925 gui.cursor_row += count; 2926 else if (gui.cursor_row <= gui.scroll_region_bot) 2927 gui.cursor_is_valid = FALSE; 2928 } 2929 } 2930 } 2931 2932 #ifdef FEAT_TIMERS 2933 /* 2934 * Passed to ui_wait_for_chars_or_timer(), ignoring extra arguments. 2935 */ 2936 static int 2937 gui_wait_for_chars_3( 2938 long wtime, 2939 int *interrupted UNUSED, 2940 int ignore_input UNUSED) 2941 { 2942 return gui_mch_wait_for_chars(wtime); 2943 } 2944 #endif 2945 2946 /* 2947 * Returns OK if a character was found to be available within the given time, 2948 * or FAIL otherwise. 2949 */ 2950 static int 2951 gui_wait_for_chars_or_timer( 2952 long wtime, 2953 int *interrupted UNUSED, 2954 int ignore_input UNUSED) 2955 { 2956 #ifdef FEAT_TIMERS 2957 return ui_wait_for_chars_or_timer(wtime, gui_wait_for_chars_3, 2958 interrupted, ignore_input); 2959 #else 2960 return gui_mch_wait_for_chars(wtime); 2961 #endif 2962 } 2963 2964 /* 2965 * The main GUI input routine. Waits for a character from the keyboard. 2966 * "wtime" == -1 Wait forever. 2967 * "wtime" == 0 Don't wait. 2968 * "wtime" > 0 Wait wtime milliseconds for a character. 2969 * 2970 * Returns the number of characters read or zero when timed out or interrupted. 2971 * "buf" may be NULL, in which case a non-zero number is returned if characters 2972 * are available. 2973 */ 2974 static int 2975 gui_wait_for_chars_buf( 2976 char_u *buf, 2977 int maxlen, 2978 long wtime, // don't use "time", MIPS cannot handle it 2979 int tb_change_cnt) 2980 { 2981 int retval; 2982 2983 #ifdef FEAT_MENU 2984 // If we're going to wait a bit, update the menus and mouse shape for the 2985 // current State. 2986 if (wtime != 0) 2987 gui_update_menus(0); 2988 #endif 2989 2990 gui_mch_update(); 2991 if (input_available()) // Got char, return immediately 2992 { 2993 if (buf != NULL && !typebuf_changed(tb_change_cnt)) 2994 return read_from_input_buf(buf, (long)maxlen); 2995 return 0; 2996 } 2997 if (wtime == 0) // Don't wait for char 2998 return FAIL; 2999 3000 // Before waiting, flush any output to the screen. 3001 gui_mch_flush(); 3002 3003 // Blink while waiting for a character. 3004 gui_mch_start_blink(); 3005 3006 // Common function to loop until "wtime" is met, while handling timers and 3007 // other callbacks. 3008 retval = inchar_loop(buf, maxlen, wtime, tb_change_cnt, 3009 gui_wait_for_chars_or_timer, NULL); 3010 3011 gui_mch_stop_blink(TRUE); 3012 3013 return retval; 3014 } 3015 3016 /* 3017 * Wait for a character from the keyboard without actually reading it. 3018 * Also deals with timers. 3019 * wtime == -1 Wait forever. 3020 * wtime == 0 Don't wait. 3021 * wtime > 0 Wait wtime milliseconds for a character. 3022 * Returns OK if a character was found to be available within the given time, 3023 * or FAIL otherwise. 3024 */ 3025 int 3026 gui_wait_for_chars(long wtime, int tb_change_cnt) 3027 { 3028 return gui_wait_for_chars_buf(NULL, 0, wtime, tb_change_cnt); 3029 } 3030 3031 /* 3032 * Equivalent of mch_inchar() for the GUI. 3033 */ 3034 int 3035 gui_inchar( 3036 char_u *buf, 3037 int maxlen, 3038 long wtime, /* milli seconds */ 3039 int tb_change_cnt) 3040 { 3041 return gui_wait_for_chars_buf(buf, maxlen, wtime, tb_change_cnt); 3042 } 3043 3044 /* 3045 * Fill p[4] with mouse coordinates encoded for check_termcode(). 3046 */ 3047 static void 3048 fill_mouse_coord(char_u *p, int col, int row) 3049 { 3050 p[0] = (char_u)(col / 128 + ' ' + 1); 3051 p[1] = (char_u)(col % 128 + ' ' + 1); 3052 p[2] = (char_u)(row / 128 + ' ' + 1); 3053 p[3] = (char_u)(row % 128 + ' ' + 1); 3054 } 3055 3056 /* 3057 * Generic mouse support function. Add a mouse event to the input buffer with 3058 * the given properties. 3059 * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT, 3060 * MOUSE_X1, MOUSE_X2 3061 * MOUSE_DRAG, or MOUSE_RELEASE. 3062 * MOUSE_4 and MOUSE_5 are used for vertical scroll wheel, 3063 * MOUSE_6 and MOUSE_7 for horizontal scroll wheel. 3064 * x, y --- Coordinates of mouse in pixels. 3065 * repeated_click --- TRUE if this click comes only a short time after a 3066 * previous click. 3067 * modifiers --- Bit field which may be any of the following modifiers 3068 * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT. 3069 * This function will ignore drag events where the mouse has not moved to a new 3070 * character. 3071 */ 3072 void 3073 gui_send_mouse_event( 3074 int button, 3075 int x, 3076 int y, 3077 int repeated_click, 3078 int_u modifiers) 3079 { 3080 static int prev_row = 0, prev_col = 0; 3081 static int prev_button = -1; 3082 static int num_clicks = 1; 3083 char_u string[10]; 3084 enum key_extra button_char; 3085 int row, col; 3086 #ifdef FEAT_CLIPBOARD 3087 int checkfor; 3088 int did_clip = FALSE; 3089 #endif 3090 3091 /* 3092 * Scrolling may happen at any time, also while a selection is present. 3093 */ 3094 switch (button) 3095 { 3096 case MOUSE_X1: 3097 button_char = KE_X1MOUSE; 3098 goto button_set; 3099 case MOUSE_X2: 3100 button_char = KE_X2MOUSE; 3101 goto button_set; 3102 case MOUSE_4: 3103 button_char = KE_MOUSEDOWN; 3104 goto button_set; 3105 case MOUSE_5: 3106 button_char = KE_MOUSEUP; 3107 goto button_set; 3108 case MOUSE_6: 3109 button_char = KE_MOUSELEFT; 3110 goto button_set; 3111 case MOUSE_7: 3112 button_char = KE_MOUSERIGHT; 3113 button_set: 3114 { 3115 /* Don't put events in the input queue now. */ 3116 if (hold_gui_events) 3117 return; 3118 3119 string[3] = CSI; 3120 string[4] = KS_EXTRA; 3121 string[5] = (int)button_char; 3122 3123 /* Pass the pointer coordinates of the scroll event so that we 3124 * know which window to scroll. */ 3125 row = gui_xy2colrow(x, y, &col); 3126 string[6] = (char_u)(col / 128 + ' ' + 1); 3127 string[7] = (char_u)(col % 128 + ' ' + 1); 3128 string[8] = (char_u)(row / 128 + ' ' + 1); 3129 string[9] = (char_u)(row % 128 + ' ' + 1); 3130 3131 if (modifiers == 0) 3132 add_to_input_buf(string + 3, 7); 3133 else 3134 { 3135 string[0] = CSI; 3136 string[1] = KS_MODIFIER; 3137 string[2] = 0; 3138 if (modifiers & MOUSE_SHIFT) 3139 string[2] |= MOD_MASK_SHIFT; 3140 if (modifiers & MOUSE_CTRL) 3141 string[2] |= MOD_MASK_CTRL; 3142 if (modifiers & MOUSE_ALT) 3143 string[2] |= MOD_MASK_ALT; 3144 add_to_input_buf(string, 10); 3145 } 3146 return; 3147 } 3148 } 3149 3150 #ifdef FEAT_CLIPBOARD 3151 /* If a clipboard selection is in progress, handle it */ 3152 if (clip_star.state == SELECT_IN_PROGRESS) 3153 { 3154 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click); 3155 return; 3156 } 3157 3158 /* Determine which mouse settings to look for based on the current mode */ 3159 switch (get_real_state()) 3160 { 3161 case NORMAL_BUSY: 3162 case OP_PENDING: 3163 # ifdef FEAT_TERMINAL 3164 case TERMINAL: 3165 # endif 3166 case NORMAL: checkfor = MOUSE_NORMAL; break; 3167 case VISUAL: checkfor = MOUSE_VISUAL; break; 3168 case SELECTMODE: checkfor = MOUSE_VISUAL; break; 3169 case REPLACE: 3170 case REPLACE+LANGMAP: 3171 case VREPLACE: 3172 case VREPLACE+LANGMAP: 3173 case INSERT: 3174 case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break; 3175 case ASKMORE: 3176 case HITRETURN: /* At the more- and hit-enter prompt pass the 3177 mouse event for a click on or below the 3178 message line. */ 3179 if (Y_2_ROW(y) >= msg_row) 3180 checkfor = MOUSE_NORMAL; 3181 else 3182 checkfor = MOUSE_RETURN; 3183 break; 3184 3185 /* 3186 * On the command line, use the clipboard selection on all lines 3187 * but the command line. But not when pasting. 3188 */ 3189 case CMDLINE: 3190 case CMDLINE+LANGMAP: 3191 if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE) 3192 checkfor = MOUSE_NONE; 3193 else 3194 checkfor = MOUSE_COMMAND; 3195 break; 3196 3197 default: 3198 checkfor = MOUSE_NONE; 3199 break; 3200 }; 3201 3202 /* 3203 * Allow clipboard selection of text on the command line in "normal" 3204 * modes. Don't do this when dragging the status line, or extending a 3205 * Visual selection. 3206 */ 3207 if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT)) 3208 && Y_2_ROW(y) >= topframe->fr_height + firstwin->w_winrow 3209 && button != MOUSE_DRAG 3210 # ifdef FEAT_MOUSESHAPE 3211 && !drag_status_line 3212 && !drag_sep_line 3213 # endif 3214 ) 3215 checkfor = MOUSE_NONE; 3216 3217 /* 3218 * Use modeless selection when holding CTRL and SHIFT pressed. 3219 */ 3220 if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT)) 3221 checkfor = MOUSE_NONEF; 3222 3223 /* 3224 * In Ex mode, always use modeless selection. 3225 */ 3226 if (exmode_active) 3227 checkfor = MOUSE_NONE; 3228 3229 /* 3230 * If the mouse settings say to not use the mouse, use the modeless 3231 * selection. But if Visual is active, assume that only the Visual area 3232 * will be selected. 3233 * Exception: On the command line, both the selection is used and a mouse 3234 * key is send. 3235 */ 3236 if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND) 3237 { 3238 /* Don't do modeless selection in Visual mode. */ 3239 if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL)) 3240 return; 3241 3242 /* 3243 * When 'mousemodel' is "popup", shift-left is translated to right. 3244 * But not when also using Ctrl. 3245 */ 3246 if (mouse_model_popup() && button == MOUSE_LEFT 3247 && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL)) 3248 { 3249 button = MOUSE_RIGHT; 3250 modifiers &= ~ MOUSE_SHIFT; 3251 } 3252 3253 /* If the selection is done, allow the right button to extend it. 3254 * If the selection is cleared, allow the right button to start it 3255 * from the cursor position. */ 3256 if (button == MOUSE_RIGHT) 3257 { 3258 if (clip_star.state == SELECT_CLEARED) 3259 { 3260 if (State & CMDLINE) 3261 { 3262 col = msg_col; 3263 row = msg_row; 3264 } 3265 else 3266 { 3267 col = curwin->w_wcol; 3268 row = curwin->w_wrow + W_WINROW(curwin); 3269 } 3270 clip_start_selection(col, row, FALSE); 3271 } 3272 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), 3273 repeated_click); 3274 did_clip = TRUE; 3275 } 3276 /* Allow the left button to start the selection */ 3277 else if (button == MOUSE_LEFT) 3278 { 3279 clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click); 3280 did_clip = TRUE; 3281 } 3282 3283 /* Always allow pasting */ 3284 if (button != MOUSE_MIDDLE) 3285 { 3286 if (!mouse_has(checkfor) || button == MOUSE_RELEASE) 3287 return; 3288 if (checkfor != MOUSE_COMMAND) 3289 button = MOUSE_LEFT; 3290 } 3291 repeated_click = FALSE; 3292 } 3293 3294 if (clip_star.state != SELECT_CLEARED && !did_clip) 3295 clip_clear_selection(&clip_star); 3296 #endif 3297 3298 /* Don't put events in the input queue now. */ 3299 if (hold_gui_events) 3300 return; 3301 3302 row = gui_xy2colrow(x, y, &col); 3303 3304 /* 3305 * If we are dragging and the mouse hasn't moved far enough to be on a 3306 * different character, then don't send an event to vim. 3307 */ 3308 if (button == MOUSE_DRAG) 3309 { 3310 if (row == prev_row && col == prev_col) 3311 return; 3312 /* Dragging above the window, set "row" to -1 to cause a scroll. */ 3313 if (y < 0) 3314 row = -1; 3315 } 3316 3317 /* 3318 * If topline has changed (window scrolled) since the last click, reset 3319 * repeated_click, because we don't want starting Visual mode when 3320 * clicking on a different character in the text. 3321 */ 3322 if (curwin->w_topline != gui_prev_topline 3323 #ifdef FEAT_DIFF 3324 || curwin->w_topfill != gui_prev_topfill 3325 #endif 3326 ) 3327 repeated_click = FALSE; 3328 3329 string[0] = CSI; /* this sequence is recognized by check_termcode() */ 3330 string[1] = KS_MOUSE; 3331 string[2] = KE_FILLER; 3332 if (button != MOUSE_DRAG && button != MOUSE_RELEASE) 3333 { 3334 if (repeated_click) 3335 { 3336 /* 3337 * Handle multiple clicks. They only count if the mouse is still 3338 * pointing at the same character. 3339 */ 3340 if (button != prev_button || row != prev_row || col != prev_col) 3341 num_clicks = 1; 3342 else if (++num_clicks > 4) 3343 num_clicks = 1; 3344 } 3345 else 3346 num_clicks = 1; 3347 prev_button = button; 3348 gui_prev_topline = curwin->w_topline; 3349 #ifdef FEAT_DIFF 3350 gui_prev_topfill = curwin->w_topfill; 3351 #endif 3352 3353 string[3] = (char_u)(button | 0x20); 3354 SET_NUM_MOUSE_CLICKS(string[3], num_clicks); 3355 } 3356 else 3357 string[3] = (char_u)button; 3358 3359 string[3] |= modifiers; 3360 fill_mouse_coord(string + 4, col, row); 3361 add_to_input_buf(string, 8); 3362 3363 if (row < 0) 3364 prev_row = 0; 3365 else 3366 prev_row = row; 3367 prev_col = col; 3368 3369 /* 3370 * We need to make sure this is cleared since Athena doesn't tell us when 3371 * he is done dragging. Neither does GTK+ 2 -- at least for now. 3372 */ 3373 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 3374 gui.dragged_sb = SBAR_NONE; 3375 #endif 3376 } 3377 3378 /* 3379 * Convert x and y coordinate to column and row in text window. 3380 * Corrects for multi-byte character. 3381 * returns column in "*colp" and row as return value; 3382 */ 3383 int 3384 gui_xy2colrow(int x, int y, int *colp) 3385 { 3386 int col = check_col(X_2_COL(x)); 3387 int row = check_row(Y_2_ROW(y)); 3388 3389 *colp = mb_fix_col(col, row); 3390 return row; 3391 } 3392 3393 #if defined(FEAT_MENU) || defined(PROTO) 3394 /* 3395 * Callback function for when a menu entry has been selected. 3396 */ 3397 void 3398 gui_menu_cb(vimmenu_T *menu) 3399 { 3400 char_u bytes[sizeof(long_u)]; 3401 3402 /* Don't put events in the input queue now. */ 3403 if (hold_gui_events) 3404 return; 3405 3406 bytes[0] = CSI; 3407 bytes[1] = KS_MENU; 3408 bytes[2] = KE_FILLER; 3409 add_to_input_buf(bytes, 3); 3410 add_long_to_buf((long_u)menu, bytes); 3411 add_to_input_buf_csi(bytes, sizeof(long_u)); 3412 } 3413 #endif 3414 3415 static int prev_which_scrollbars[3]; 3416 3417 /* 3418 * Set which components are present. 3419 * If "oldval" is not NULL, "oldval" is the previous value, the new value is 3420 * in p_go. 3421 */ 3422 void 3423 gui_init_which_components(char_u *oldval UNUSED) 3424 { 3425 #ifdef FEAT_MENU 3426 static int prev_menu_is_active = -1; 3427 #endif 3428 #ifdef FEAT_TOOLBAR 3429 static int prev_toolbar = -1; 3430 int using_toolbar = FALSE; 3431 #endif 3432 #ifdef FEAT_GUI_TABLINE 3433 int using_tabline; 3434 #endif 3435 #ifdef FEAT_FOOTER 3436 static int prev_footer = -1; 3437 int using_footer = FALSE; 3438 #endif 3439 #if defined(FEAT_MENU) 3440 static int prev_tearoff = -1; 3441 int using_tearoff = FALSE; 3442 #endif 3443 3444 char_u *p; 3445 int i; 3446 #ifdef FEAT_MENU 3447 int grey_old, grey_new; 3448 char_u *temp; 3449 #endif 3450 win_T *wp; 3451 int need_set_size; 3452 int fix_size; 3453 3454 #ifdef FEAT_MENU 3455 if (oldval != NULL && gui.in_use) 3456 { 3457 /* 3458 * Check if the menu's go from grey to non-grey or vise versa. 3459 */ 3460 grey_old = (vim_strchr(oldval, GO_GREY) != NULL); 3461 grey_new = (vim_strchr(p_go, GO_GREY) != NULL); 3462 if (grey_old != grey_new) 3463 { 3464 temp = p_go; 3465 p_go = oldval; 3466 gui_update_menus(MENU_ALL_MODES); 3467 p_go = temp; 3468 } 3469 } 3470 gui.menu_is_active = FALSE; 3471 #endif 3472 3473 for (i = 0; i < 3; i++) 3474 gui.which_scrollbars[i] = FALSE; 3475 for (p = p_go; *p; p++) 3476 switch (*p) 3477 { 3478 case GO_LEFT: 3479 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3480 break; 3481 case GO_RIGHT: 3482 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3483 break; 3484 case GO_VLEFT: 3485 if (win_hasvertsplit()) 3486 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3487 break; 3488 case GO_VRIGHT: 3489 if (win_hasvertsplit()) 3490 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3491 break; 3492 case GO_BOT: 3493 gui.which_scrollbars[SBAR_BOTTOM] = TRUE; 3494 break; 3495 #ifdef FEAT_MENU 3496 case GO_MENUS: 3497 gui.menu_is_active = TRUE; 3498 break; 3499 #endif 3500 case GO_GREY: 3501 /* make menu's have grey items, ignored here */ 3502 break; 3503 #ifdef FEAT_TOOLBAR 3504 case GO_TOOLBAR: 3505 using_toolbar = TRUE; 3506 break; 3507 #endif 3508 #ifdef FEAT_FOOTER 3509 case GO_FOOTER: 3510 using_footer = TRUE; 3511 break; 3512 #endif 3513 case GO_TEAROFF: 3514 #if defined(FEAT_MENU) 3515 using_tearoff = TRUE; 3516 #endif 3517 break; 3518 default: 3519 /* Ignore options that are not supported */ 3520 break; 3521 } 3522 3523 if (gui.in_use) 3524 { 3525 need_set_size = 0; 3526 fix_size = FALSE; 3527 3528 #ifdef FEAT_GUI_TABLINE 3529 /* Update the GUI tab line, it may appear or disappear. This may 3530 * cause the non-GUI tab line to disappear or appear. */ 3531 using_tabline = gui_has_tabline(); 3532 if (!gui_mch_showing_tabline() != !using_tabline) 3533 { 3534 /* We don't want a resize event change "Rows" here, save and 3535 * restore it. Resizing is handled below. */ 3536 i = Rows; 3537 gui_update_tabline(); 3538 Rows = i; 3539 need_set_size |= RESIZE_VERT; 3540 if (using_tabline) 3541 fix_size = TRUE; 3542 if (!gui_use_tabline()) 3543 redraw_tabline = TRUE; /* may draw non-GUI tab line */ 3544 } 3545 #endif 3546 3547 for (i = 0; i < 3; i++) 3548 { 3549 /* The scrollbar needs to be updated when it is shown/unshown and 3550 * when switching tab pages. But the size only changes when it's 3551 * shown/unshown. Thus we need two places to remember whether a 3552 * scrollbar is there or not. */ 3553 if (gui.which_scrollbars[i] != prev_which_scrollbars[i] 3554 || gui.which_scrollbars[i] 3555 != curtab->tp_prev_which_scrollbars[i]) 3556 { 3557 if (i == SBAR_BOTTOM) 3558 gui_mch_enable_scrollbar(&gui.bottom_sbar, 3559 gui.which_scrollbars[i]); 3560 else 3561 { 3562 FOR_ALL_WINDOWS(wp) 3563 gui_do_scrollbar(wp, i, gui.which_scrollbars[i]); 3564 } 3565 if (gui.which_scrollbars[i] != prev_which_scrollbars[i]) 3566 { 3567 if (i == SBAR_BOTTOM) 3568 need_set_size |= RESIZE_VERT; 3569 else 3570 need_set_size |= RESIZE_HOR; 3571 if (gui.which_scrollbars[i]) 3572 fix_size = TRUE; 3573 } 3574 } 3575 curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3576 prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3577 } 3578 3579 #ifdef FEAT_MENU 3580 if (gui.menu_is_active != prev_menu_is_active) 3581 { 3582 /* We don't want a resize event change "Rows" here, save and 3583 * restore it. Resizing is handled below. */ 3584 i = Rows; 3585 gui_mch_enable_menu(gui.menu_is_active); 3586 Rows = i; 3587 prev_menu_is_active = gui.menu_is_active; 3588 need_set_size |= RESIZE_VERT; 3589 if (gui.menu_is_active) 3590 fix_size = TRUE; 3591 } 3592 #endif 3593 3594 #ifdef FEAT_TOOLBAR 3595 if (using_toolbar != prev_toolbar) 3596 { 3597 gui_mch_show_toolbar(using_toolbar); 3598 prev_toolbar = using_toolbar; 3599 need_set_size |= RESIZE_VERT; 3600 if (using_toolbar) 3601 fix_size = TRUE; 3602 } 3603 #endif 3604 #ifdef FEAT_FOOTER 3605 if (using_footer != prev_footer) 3606 { 3607 gui_mch_enable_footer(using_footer); 3608 prev_footer = using_footer; 3609 need_set_size |= RESIZE_VERT; 3610 if (using_footer) 3611 fix_size = TRUE; 3612 } 3613 #endif 3614 #if defined(FEAT_MENU) && !(defined(MSWIN) && !defined(FEAT_TEAROFF)) 3615 if (using_tearoff != prev_tearoff) 3616 { 3617 gui_mch_toggle_tearoffs(using_tearoff); 3618 prev_tearoff = using_tearoff; 3619 } 3620 #endif 3621 if (need_set_size != 0) 3622 { 3623 #ifdef FEAT_GUI_GTK 3624 long prev_Columns = Columns; 3625 long prev_Rows = Rows; 3626 #endif 3627 /* Adjust the size of the window to make the text area keep the 3628 * same size and to avoid that part of our window is off-screen 3629 * and a scrollbar can't be used, for example. */ 3630 gui_set_shellsize(FALSE, fix_size, need_set_size); 3631 3632 #ifdef FEAT_GUI_GTK 3633 /* GTK has the annoying habit of sending us resize events when 3634 * changing the window size ourselves. This mostly happens when 3635 * waiting for a character to arrive, quite unpredictably, and may 3636 * change Columns and Rows when we don't want it. Wait for a 3637 * character here to avoid this effect. 3638 * If you remove this, please test this command for resizing 3639 * effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q". 3640 * Don't do this while starting up though. 3641 * Don't change Rows when adding menu/toolbar/tabline. 3642 * Don't change Columns when adding vertical toolbar. */ 3643 if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR)) 3644 (void)char_avail(); 3645 if ((need_set_size & RESIZE_VERT) == 0) 3646 Rows = prev_Rows; 3647 if ((need_set_size & RESIZE_HOR) == 0) 3648 Columns = prev_Columns; 3649 #endif 3650 } 3651 /* When the console tabline appears or disappears the window positions 3652 * change. */ 3653 if (firstwin->w_winrow != tabline_height()) 3654 shell_new_rows(); /* recompute window positions and heights */ 3655 } 3656 } 3657 3658 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 3659 /* 3660 * Return TRUE if the GUI is taking care of the tabline. 3661 * It may still be hidden if 'showtabline' is zero. 3662 */ 3663 int 3664 gui_use_tabline(void) 3665 { 3666 return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL; 3667 } 3668 3669 /* 3670 * Return TRUE if the GUI is showing the tabline. 3671 * This uses 'showtabline'. 3672 */ 3673 static int 3674 gui_has_tabline(void) 3675 { 3676 if (!gui_use_tabline() 3677 || p_stal == 0 3678 || (p_stal == 1 && first_tabpage->tp_next == NULL)) 3679 return FALSE; 3680 return TRUE; 3681 } 3682 3683 /* 3684 * Update the tabline. 3685 * This may display/undisplay the tabline and update the labels. 3686 */ 3687 void 3688 gui_update_tabline(void) 3689 { 3690 int showit = gui_has_tabline(); 3691 int shown = gui_mch_showing_tabline(); 3692 3693 if (!gui.starting && starting == 0) 3694 { 3695 /* Updating the tabline uses direct GUI commands, flush 3696 * outstanding instructions first. (esp. clear screen) */ 3697 out_flush(); 3698 3699 if (!showit != !shown) 3700 gui_mch_show_tabline(showit); 3701 if (showit != 0) 3702 gui_mch_update_tabline(); 3703 3704 /* When the tabs change from hidden to shown or from shown to 3705 * hidden the size of the text area should remain the same. */ 3706 if (!showit != !shown) 3707 gui_set_shellsize(FALSE, showit, RESIZE_VERT); 3708 } 3709 } 3710 3711 /* 3712 * Get the label or tooltip for tab page "tp" into NameBuff[]. 3713 */ 3714 void 3715 get_tabline_label( 3716 tabpage_T *tp, 3717 int tooltip) /* TRUE: get tooltip */ 3718 { 3719 int modified = FALSE; 3720 char_u buf[40]; 3721 int wincount; 3722 win_T *wp; 3723 char_u **opt; 3724 3725 /* Use 'guitablabel' or 'guitabtooltip' if it's set. */ 3726 opt = (tooltip ? &p_gtt : &p_gtl); 3727 if (**opt != NUL) 3728 { 3729 int use_sandbox = FALSE; 3730 int save_called_emsg = called_emsg; 3731 char_u res[MAXPATHL]; 3732 tabpage_T *save_curtab; 3733 char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip" 3734 : "guitablabel"); 3735 3736 called_emsg = FALSE; 3737 3738 printer_page_num = tabpage_index(tp); 3739 # ifdef FEAT_EVAL 3740 set_vim_var_nr(VV_LNUM, printer_page_num); 3741 use_sandbox = was_set_insecurely(opt_name, 0); 3742 # endif 3743 /* It's almost as going to the tabpage, but without autocommands. */ 3744 curtab->tp_firstwin = firstwin; 3745 curtab->tp_lastwin = lastwin; 3746 curtab->tp_curwin = curwin; 3747 save_curtab = curtab; 3748 curtab = tp; 3749 topframe = curtab->tp_topframe; 3750 firstwin = curtab->tp_firstwin; 3751 lastwin = curtab->tp_lastwin; 3752 curwin = curtab->tp_curwin; 3753 curbuf = curwin->w_buffer; 3754 3755 /* Can't use NameBuff directly, build_stl_str_hl() uses it. */ 3756 build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox, 3757 0, (int)Columns, NULL, NULL); 3758 STRCPY(NameBuff, res); 3759 3760 /* Back to the original curtab. */ 3761 curtab = save_curtab; 3762 topframe = curtab->tp_topframe; 3763 firstwin = curtab->tp_firstwin; 3764 lastwin = curtab->tp_lastwin; 3765 curwin = curtab->tp_curwin; 3766 curbuf = curwin->w_buffer; 3767 3768 if (called_emsg) 3769 set_string_option_direct(opt_name, -1, 3770 (char_u *)"", OPT_FREE, SID_ERROR); 3771 called_emsg |= save_called_emsg; 3772 } 3773 3774 /* If 'guitablabel'/'guitabtooltip' is not set or the result is empty then 3775 * use a default label. */ 3776 if (**opt == NUL || *NameBuff == NUL) 3777 { 3778 /* Get the buffer name into NameBuff[] and shorten it. */ 3779 get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer); 3780 if (!tooltip) 3781 shorten_dir(NameBuff); 3782 3783 wp = (tp == curtab) ? firstwin : tp->tp_firstwin; 3784 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount) 3785 if (bufIsChanged(wp->w_buffer)) 3786 modified = TRUE; 3787 if (modified || wincount > 1) 3788 { 3789 if (wincount > 1) 3790 vim_snprintf((char *)buf, sizeof(buf), "%d", wincount); 3791 else 3792 buf[0] = NUL; 3793 if (modified) 3794 STRCAT(buf, "+"); 3795 STRCAT(buf, " "); 3796 STRMOVE(NameBuff + STRLEN(buf), NameBuff); 3797 mch_memmove(NameBuff, buf, STRLEN(buf)); 3798 } 3799 } 3800 } 3801 3802 /* 3803 * Send the event for clicking to select tab page "nr". 3804 * Returns TRUE if it was done, FALSE when skipped because we are already at 3805 * that tab page or the cmdline window is open. 3806 */ 3807 int 3808 send_tabline_event(int nr) 3809 { 3810 char_u string[3]; 3811 3812 if (nr == tabpage_index(curtab)) 3813 return FALSE; 3814 3815 /* Don't put events in the input queue now. */ 3816 if (hold_gui_events 3817 # ifdef FEAT_CMDWIN 3818 || cmdwin_type != 0 3819 # endif 3820 ) 3821 { 3822 /* Set it back to the current tab page. */ 3823 gui_mch_set_curtab(tabpage_index(curtab)); 3824 return FALSE; 3825 } 3826 3827 string[0] = CSI; 3828 string[1] = KS_TABLINE; 3829 string[2] = KE_FILLER; 3830 add_to_input_buf(string, 3); 3831 string[0] = nr; 3832 add_to_input_buf_csi(string, 1); 3833 return TRUE; 3834 } 3835 3836 /* 3837 * Send a tabline menu event 3838 */ 3839 void 3840 send_tabline_menu_event(int tabidx, int event) 3841 { 3842 char_u string[3]; 3843 3844 // Don't put events in the input queue now. 3845 if (hold_gui_events) 3846 return; 3847 3848 // Cannot close the last tabpage. 3849 if (event == TABLINE_MENU_CLOSE && first_tabpage->tp_next == NULL) 3850 return; 3851 3852 string[0] = CSI; 3853 string[1] = KS_TABMENU; 3854 string[2] = KE_FILLER; 3855 add_to_input_buf(string, 3); 3856 string[0] = tabidx; 3857 string[1] = (char_u)(long)event; 3858 add_to_input_buf_csi(string, 2); 3859 } 3860 3861 #endif 3862 3863 /* 3864 * Scrollbar stuff: 3865 */ 3866 3867 /* 3868 * Remove all scrollbars. Used before switching to another tab page. 3869 */ 3870 void 3871 gui_remove_scrollbars(void) 3872 { 3873 int i; 3874 win_T *wp; 3875 3876 for (i = 0; i < 3; i++) 3877 { 3878 if (i == SBAR_BOTTOM) 3879 gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE); 3880 else 3881 { 3882 FOR_ALL_WINDOWS(wp) 3883 gui_do_scrollbar(wp, i, FALSE); 3884 } 3885 curtab->tp_prev_which_scrollbars[i] = -1; 3886 } 3887 } 3888 3889 void 3890 gui_create_scrollbar(scrollbar_T *sb, int type, win_T *wp) 3891 { 3892 static int sbar_ident = 0; 3893 3894 sb->ident = sbar_ident++; /* No check for too big, but would it happen? */ 3895 sb->wp = wp; 3896 sb->type = type; 3897 sb->value = 0; 3898 #ifdef FEAT_GUI_ATHENA 3899 sb->pixval = 0; 3900 #endif 3901 sb->size = 1; 3902 sb->max = 1; 3903 sb->top = 0; 3904 sb->height = 0; 3905 sb->width = 0; 3906 sb->status_height = 0; 3907 gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT); 3908 } 3909 3910 /* 3911 * Find the scrollbar with the given index. 3912 */ 3913 scrollbar_T * 3914 gui_find_scrollbar(long ident) 3915 { 3916 win_T *wp; 3917 3918 if (gui.bottom_sbar.ident == ident) 3919 return &gui.bottom_sbar; 3920 FOR_ALL_WINDOWS(wp) 3921 { 3922 if (wp->w_scrollbars[SBAR_LEFT].ident == ident) 3923 return &wp->w_scrollbars[SBAR_LEFT]; 3924 if (wp->w_scrollbars[SBAR_RIGHT].ident == ident) 3925 return &wp->w_scrollbars[SBAR_RIGHT]; 3926 } 3927 return NULL; 3928 } 3929 3930 /* 3931 * For most systems: Put a code in the input buffer for a dragged scrollbar. 3932 * 3933 * For Win32, Macintosh and GTK+ 2: 3934 * Scrollbars seem to grab focus and vim doesn't read the input queue until 3935 * you stop dragging the scrollbar. We get here each time the scrollbar is 3936 * dragged another pixel, but as far as the rest of vim goes, it thinks 3937 * we're just hanging in the call to DispatchMessage() in 3938 * process_message(). The DispatchMessage() call that hangs was passed a 3939 * mouse button click event in the scrollbar window. -- webb. 3940 * 3941 * Solution: Do the scrolling right here. But only when allowed. 3942 * Ignore the scrollbars while executing an external command or when there 3943 * are still characters to be processed. 3944 */ 3945 void 3946 gui_drag_scrollbar(scrollbar_T *sb, long value, int still_dragging) 3947 { 3948 win_T *wp; 3949 int sb_num; 3950 #ifdef USE_ON_FLY_SCROLL 3951 colnr_T old_leftcol = curwin->w_leftcol; 3952 linenr_T old_topline = curwin->w_topline; 3953 # ifdef FEAT_DIFF 3954 int old_topfill = curwin->w_topfill; 3955 # endif 3956 #else 3957 char_u bytes[sizeof(long_u)]; 3958 int byte_count; 3959 #endif 3960 3961 if (sb == NULL) 3962 return; 3963 3964 /* Don't put events in the input queue now. */ 3965 if (hold_gui_events) 3966 return; 3967 3968 #ifdef FEAT_CMDWIN 3969 if (cmdwin_type != 0 && sb->wp != curwin) 3970 return; 3971 #endif 3972 3973 if (still_dragging) 3974 { 3975 if (sb->wp == NULL) 3976 gui.dragged_sb = SBAR_BOTTOM; 3977 else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT]) 3978 gui.dragged_sb = SBAR_LEFT; 3979 else 3980 gui.dragged_sb = SBAR_RIGHT; 3981 gui.dragged_wp = sb->wp; 3982 } 3983 else 3984 { 3985 gui.dragged_sb = SBAR_NONE; 3986 #ifdef FEAT_GUI_GTK 3987 /* Keep the "dragged_wp" value until after the scrolling, for when the 3988 * mouse button is released. GTK2 doesn't send the button-up event. */ 3989 gui.dragged_wp = NULL; 3990 #endif 3991 } 3992 3993 /* Vertical sbar info is kept in the first sbar (the left one) */ 3994 if (sb->wp != NULL) 3995 sb = &sb->wp->w_scrollbars[0]; 3996 3997 /* 3998 * Check validity of value 3999 */ 4000 if (value < 0) 4001 value = 0; 4002 #ifdef SCROLL_PAST_END 4003 else if (value > sb->max) 4004 value = sb->max; 4005 #else 4006 if (value > sb->max - sb->size + 1) 4007 value = sb->max - sb->size + 1; 4008 #endif 4009 4010 sb->value = value; 4011 4012 #ifdef USE_ON_FLY_SCROLL 4013 /* When not allowed to do the scrolling right now, return. 4014 * This also checked input_available(), but that causes the first click in 4015 * a scrollbar to be ignored when Vim doesn't have focus. */ 4016 if (dont_scroll) 4017 return; 4018 #endif 4019 #ifdef FEAT_INS_EXPAND 4020 /* Disallow scrolling the current window when the completion popup menu is 4021 * visible. */ 4022 if ((sb->wp == NULL || sb->wp == curwin) && pum_visible()) 4023 return; 4024 #endif 4025 4026 #ifdef FEAT_RIGHTLEFT 4027 if (sb->wp == NULL && curwin->w_p_rl) 4028 { 4029 value = sb->max + 1 - sb->size - value; 4030 if (value < 0) 4031 value = 0; 4032 } 4033 #endif 4034 4035 if (sb->wp != NULL) /* vertical scrollbar */ 4036 { 4037 sb_num = 0; 4038 for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next) 4039 sb_num++; 4040 if (wp == NULL) 4041 return; 4042 4043 #ifdef USE_ON_FLY_SCROLL 4044 current_scrollbar = sb_num; 4045 scrollbar_value = value; 4046 if (State & NORMAL) 4047 { 4048 gui_do_scroll(); 4049 setcursor(); 4050 } 4051 else if (State & INSERT) 4052 { 4053 ins_scroll(); 4054 setcursor(); 4055 } 4056 else if (State & CMDLINE) 4057 { 4058 if (msg_scrolled == 0) 4059 { 4060 gui_do_scroll(); 4061 redrawcmdline(); 4062 } 4063 } 4064 # ifdef FEAT_FOLDING 4065 /* Value may have been changed for closed fold. */ 4066 sb->value = sb->wp->w_topline - 1; 4067 # endif 4068 4069 /* When dragging one scrollbar and there is another one at the other 4070 * side move the thumb of that one too. */ 4071 if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT]) 4072 gui_mch_set_scrollbar_thumb( 4073 &sb->wp->w_scrollbars[ 4074 sb == &sb->wp->w_scrollbars[SBAR_RIGHT] 4075 ? SBAR_LEFT : SBAR_RIGHT], 4076 sb->value, sb->size, sb->max); 4077 4078 #else 4079 bytes[0] = CSI; 4080 bytes[1] = KS_VER_SCROLLBAR; 4081 bytes[2] = KE_FILLER; 4082 bytes[3] = (char_u)sb_num; 4083 byte_count = 4; 4084 #endif 4085 } 4086 else 4087 { 4088 #ifdef USE_ON_FLY_SCROLL 4089 scrollbar_value = value; 4090 4091 if (State & NORMAL) 4092 gui_do_horiz_scroll(scrollbar_value, FALSE); 4093 else if (State & INSERT) 4094 ins_horscroll(); 4095 else if (State & CMDLINE) 4096 { 4097 if (msg_scrolled == 0) 4098 { 4099 gui_do_horiz_scroll(scrollbar_value, FALSE); 4100 redrawcmdline(); 4101 } 4102 } 4103 if (old_leftcol != curwin->w_leftcol) 4104 { 4105 updateWindow(curwin); /* update window, status and cmdline */ 4106 setcursor(); 4107 } 4108 #else 4109 bytes[0] = CSI; 4110 bytes[1] = KS_HOR_SCROLLBAR; 4111 bytes[2] = KE_FILLER; 4112 byte_count = 3; 4113 #endif 4114 } 4115 4116 #ifdef USE_ON_FLY_SCROLL 4117 /* 4118 * synchronize other windows, as necessary according to 'scrollbind' 4119 */ 4120 if (curwin->w_p_scb 4121 && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol) 4122 || (sb->wp == curwin && (curwin->w_topline != old_topline 4123 # ifdef FEAT_DIFF 4124 || curwin->w_topfill != old_topfill 4125 # endif 4126 )))) 4127 { 4128 do_check_scrollbind(TRUE); 4129 /* need to update the window right here */ 4130 FOR_ALL_WINDOWS(wp) 4131 if (wp->w_redr_type > 0) 4132 updateWindow(wp); 4133 setcursor(); 4134 } 4135 out_flush_cursor(FALSE, TRUE); 4136 #else 4137 add_to_input_buf(bytes, byte_count); 4138 add_long_to_buf((long_u)value, bytes); 4139 add_to_input_buf_csi(bytes, sizeof(long_u)); 4140 #endif 4141 } 4142 4143 /* 4144 * Scrollbar stuff: 4145 */ 4146 4147 /* 4148 * Called when something in the window layout has changed. 4149 */ 4150 void 4151 gui_may_update_scrollbars(void) 4152 { 4153 if (gui.in_use && starting == 0) 4154 { 4155 out_flush(); 4156 gui_init_which_components(NULL); 4157 gui_update_scrollbars(TRUE); 4158 } 4159 need_mouse_correct = TRUE; 4160 } 4161 4162 void 4163 gui_update_scrollbars( 4164 int force) /* Force all scrollbars to get updated */ 4165 { 4166 win_T *wp; 4167 scrollbar_T *sb; 4168 long val, size, max; /* need 32 bits here */ 4169 int which_sb; 4170 int h, y; 4171 static win_T *prev_curwin = NULL; 4172 4173 /* Update the horizontal scrollbar */ 4174 gui_update_horiz_scrollbar(force); 4175 4176 #ifndef MSWIN 4177 /* Return straight away if there is neither a left nor right scrollbar. 4178 * On MS-Windows this is required anyway for scrollwheel messages. */ 4179 if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT]) 4180 return; 4181 #endif 4182 4183 /* 4184 * Don't want to update a scrollbar while we're dragging it. But if we 4185 * have both a left and right scrollbar, and we drag one of them, we still 4186 * need to update the other one. 4187 */ 4188 if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT) 4189 && gui.which_scrollbars[SBAR_LEFT] 4190 && gui.which_scrollbars[SBAR_RIGHT]) 4191 { 4192 /* 4193 * If we have two scrollbars and one of them is being dragged, just 4194 * copy the scrollbar position from the dragged one to the other one. 4195 */ 4196 which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb; 4197 if (gui.dragged_wp != NULL) 4198 gui_mch_set_scrollbar_thumb( 4199 &gui.dragged_wp->w_scrollbars[which_sb], 4200 gui.dragged_wp->w_scrollbars[0].value, 4201 gui.dragged_wp->w_scrollbars[0].size, 4202 gui.dragged_wp->w_scrollbars[0].max); 4203 } 4204 4205 /* avoid that moving components around generates events */ 4206 ++hold_gui_events; 4207 4208 for (wp = firstwin; wp != NULL; wp = W_NEXT(wp)) 4209 { 4210 if (wp->w_buffer == NULL) /* just in case */ 4211 continue; 4212 /* Skip a scrollbar that is being dragged. */ 4213 if (!force && (gui.dragged_sb == SBAR_LEFT 4214 || gui.dragged_sb == SBAR_RIGHT) 4215 && gui.dragged_wp == wp) 4216 continue; 4217 4218 #ifdef SCROLL_PAST_END 4219 max = wp->w_buffer->b_ml.ml_line_count - 1; 4220 #else 4221 max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2; 4222 #endif 4223 if (max < 0) /* empty buffer */ 4224 max = 0; 4225 val = wp->w_topline - 1; 4226 size = wp->w_height; 4227 #ifdef SCROLL_PAST_END 4228 if (val > max) /* just in case */ 4229 val = max; 4230 #else 4231 if (size > max + 1) /* just in case */ 4232 size = max + 1; 4233 if (val > max - size + 1) 4234 val = max - size + 1; 4235 #endif 4236 if (val < 0) /* minimal value is 0 */ 4237 val = 0; 4238 4239 /* 4240 * Scrollbar at index 0 (the left one) contains all the information. 4241 * It would be the same info for left and right so we just store it for 4242 * one of them. 4243 */ 4244 sb = &wp->w_scrollbars[0]; 4245 4246 /* 4247 * Note: no check for valid w_botline. If it's not valid the 4248 * scrollbars will be updated later anyway. 4249 */ 4250 if (size < 1 || wp->w_botline - 2 > max) 4251 { 4252 /* 4253 * This can happen during changing files. Just don't update the 4254 * scrollbar for now. 4255 */ 4256 sb->height = 0; /* Force update next time */ 4257 if (gui.which_scrollbars[SBAR_LEFT]) 4258 gui_do_scrollbar(wp, SBAR_LEFT, FALSE); 4259 if (gui.which_scrollbars[SBAR_RIGHT]) 4260 gui_do_scrollbar(wp, SBAR_RIGHT, FALSE); 4261 continue; 4262 } 4263 if (force || sb->height != wp->w_height 4264 || sb->top != wp->w_winrow 4265 || sb->status_height != wp->w_status_height 4266 || sb->width != wp->w_width 4267 || prev_curwin != curwin) 4268 { 4269 /* Height, width or position of scrollbar has changed. For 4270 * vertical split: curwin changed. */ 4271 sb->height = wp->w_height; 4272 sb->top = wp->w_winrow; 4273 sb->status_height = wp->w_status_height; 4274 sb->width = wp->w_width; 4275 4276 /* Calculate height and position in pixels */ 4277 h = (sb->height + sb->status_height) * gui.char_height; 4278 y = sb->top * gui.char_height + gui.border_offset; 4279 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON) 4280 if (gui.menu_is_active) 4281 y += gui.menu_height; 4282 #endif 4283 4284 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA)) 4285 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 4286 # ifdef FEAT_GUI_ATHENA 4287 y += gui.toolbar_height; 4288 # else 4289 # ifdef FEAT_GUI_MSWIN 4290 y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 4291 # endif 4292 # endif 4293 #endif 4294 4295 #if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN) 4296 if (gui_has_tabline()) 4297 y += gui.tabline_height; 4298 #endif 4299 4300 if (wp->w_winrow == 0) 4301 { 4302 /* Height of top scrollbar includes width of top border */ 4303 h += gui.border_offset; 4304 y -= gui.border_offset; 4305 } 4306 if (gui.which_scrollbars[SBAR_LEFT]) 4307 { 4308 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT], 4309 gui.left_sbar_x, y, 4310 gui.scrollbar_width, h); 4311 gui_do_scrollbar(wp, SBAR_LEFT, TRUE); 4312 } 4313 if (gui.which_scrollbars[SBAR_RIGHT]) 4314 { 4315 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT], 4316 gui.right_sbar_x, y, 4317 gui.scrollbar_width, h); 4318 gui_do_scrollbar(wp, SBAR_RIGHT, TRUE); 4319 } 4320 } 4321 4322 /* Reduce the number of calls to gui_mch_set_scrollbar_thumb() by 4323 * checking if the thumb moved at least a pixel. Only do this for 4324 * Athena, most other GUIs require the update anyway to make the 4325 * arrows work. */ 4326 #ifdef FEAT_GUI_ATHENA 4327 if (max == 0) 4328 y = 0; 4329 else 4330 y = (val * (sb->height + 2) * gui.char_height + max / 2) / max; 4331 if (force || sb->pixval != y || sb->size != size || sb->max != max) 4332 #else 4333 if (force || sb->value != val || sb->size != size || sb->max != max) 4334 #endif 4335 { 4336 /* Thumb of scrollbar has moved */ 4337 sb->value = val; 4338 #ifdef FEAT_GUI_ATHENA 4339 sb->pixval = y; 4340 #endif 4341 sb->size = size; 4342 sb->max = max; 4343 if (gui.which_scrollbars[SBAR_LEFT] 4344 && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp)) 4345 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT], 4346 val, size, max); 4347 if (gui.which_scrollbars[SBAR_RIGHT] 4348 && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp)) 4349 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT], 4350 val, size, max); 4351 } 4352 } 4353 prev_curwin = curwin; 4354 --hold_gui_events; 4355 } 4356 4357 /* 4358 * Enable or disable a scrollbar. 4359 * Check for scrollbars for vertically split windows which are not enabled 4360 * sometimes. 4361 */ 4362 static void 4363 gui_do_scrollbar( 4364 win_T *wp, 4365 int which, /* SBAR_LEFT or SBAR_RIGHT */ 4366 int enable) /* TRUE to enable scrollbar */ 4367 { 4368 int midcol = curwin->w_wincol + curwin->w_width / 2; 4369 int has_midcol = (wp->w_wincol <= midcol 4370 && wp->w_wincol + wp->w_width >= midcol); 4371 4372 /* Only enable scrollbars that contain the middle column of the current 4373 * window. */ 4374 if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT]) 4375 { 4376 /* Scrollbars only on one side. Don't enable scrollbars that don't 4377 * contain the middle column of the current window. */ 4378 if (!has_midcol) 4379 enable = FALSE; 4380 } 4381 else 4382 { 4383 /* Scrollbars on both sides. Don't enable scrollbars that neither 4384 * contain the middle column of the current window nor are on the far 4385 * side. */ 4386 if (midcol > Columns / 2) 4387 { 4388 if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol) 4389 enable = FALSE; 4390 } 4391 else 4392 { 4393 if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns 4394 : !has_midcol) 4395 enable = FALSE; 4396 } 4397 } 4398 gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable); 4399 } 4400 4401 /* 4402 * Scroll a window according to the values set in the globals current_scrollbar 4403 * and scrollbar_value. Return TRUE if the cursor in the current window moved 4404 * or FALSE otherwise. 4405 */ 4406 int 4407 gui_do_scroll(void) 4408 { 4409 win_T *wp, *save_wp; 4410 int i; 4411 long nlines; 4412 pos_T old_cursor; 4413 linenr_T old_topline; 4414 #ifdef FEAT_DIFF 4415 int old_topfill; 4416 #endif 4417 4418 for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++) 4419 if (wp == NULL) 4420 break; 4421 if (wp == NULL) 4422 /* Couldn't find window */ 4423 return FALSE; 4424 4425 /* 4426 * Compute number of lines to scroll. If zero, nothing to do. 4427 */ 4428 nlines = (long)scrollbar_value + 1 - (long)wp->w_topline; 4429 if (nlines == 0) 4430 return FALSE; 4431 4432 save_wp = curwin; 4433 old_topline = wp->w_topline; 4434 #ifdef FEAT_DIFF 4435 old_topfill = wp->w_topfill; 4436 #endif 4437 old_cursor = wp->w_cursor; 4438 curwin = wp; 4439 curbuf = wp->w_buffer; 4440 if (nlines < 0) 4441 scrolldown(-nlines, gui.dragged_wp == NULL); 4442 else 4443 scrollup(nlines, gui.dragged_wp == NULL); 4444 /* Reset dragged_wp after using it. "dragged_sb" will have been reset for 4445 * the mouse-up event already, but we still want it to behave like when 4446 * dragging. But not the next click in an arrow. */ 4447 if (gui.dragged_sb == SBAR_NONE) 4448 gui.dragged_wp = NULL; 4449 4450 if (old_topline != wp->w_topline 4451 #ifdef FEAT_DIFF 4452 || old_topfill != wp->w_topfill 4453 #endif 4454 ) 4455 { 4456 if (get_scrolloff_value() != 0) 4457 { 4458 cursor_correct(); /* fix window for 'so' */ 4459 update_topline(); /* avoid up/down jump */ 4460 } 4461 if (old_cursor.lnum != wp->w_cursor.lnum) 4462 coladvance(wp->w_curswant); 4463 wp->w_scbind_pos = wp->w_topline; 4464 } 4465 4466 /* Make sure wp->w_leftcol and wp->w_skipcol are correct. */ 4467 validate_cursor(); 4468 4469 curwin = save_wp; 4470 curbuf = save_wp->w_buffer; 4471 4472 /* 4473 * Don't call updateWindow() when nothing has changed (it will overwrite 4474 * the status line!). 4475 */ 4476 if (old_topline != wp->w_topline 4477 || wp->w_redr_type != 0 4478 #ifdef FEAT_DIFF 4479 || old_topfill != wp->w_topfill 4480 #endif 4481 ) 4482 { 4483 int type = VALID; 4484 4485 #ifdef FEAT_INS_EXPAND 4486 if (pum_visible()) 4487 { 4488 type = NOT_VALID; 4489 wp->w_lines_valid = 0; 4490 } 4491 #endif 4492 /* Don't set must_redraw here, it may cause the popup menu to 4493 * disappear when losing focus after a scrollbar drag. */ 4494 if (wp->w_redr_type < type) 4495 wp->w_redr_type = type; 4496 mch_disable_flush(); 4497 updateWindow(wp); /* update window, status line, and cmdline */ 4498 mch_enable_flush(); 4499 } 4500 4501 #ifdef FEAT_INS_EXPAND 4502 /* May need to redraw the popup menu. */ 4503 if (pum_visible()) 4504 pum_redraw(); 4505 #endif 4506 4507 return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor)); 4508 } 4509 4510 4511 /* 4512 * Horizontal scrollbar stuff: 4513 */ 4514 4515 /* 4516 * Return length of line "lnum" for horizontal scrolling. 4517 */ 4518 static colnr_T 4519 scroll_line_len(linenr_T lnum) 4520 { 4521 char_u *p; 4522 colnr_T col; 4523 int w; 4524 4525 p = ml_get(lnum); 4526 col = 0; 4527 if (*p != NUL) 4528 for (;;) 4529 { 4530 w = chartabsize(p, col); 4531 MB_PTR_ADV(p); 4532 if (*p == NUL) /* don't count the last character */ 4533 break; 4534 col += w; 4535 } 4536 return col; 4537 } 4538 4539 /* Remember which line is currently the longest, so that we don't have to 4540 * search for it when scrolling horizontally. */ 4541 static linenr_T longest_lnum = 0; 4542 4543 /* 4544 * Find longest visible line number. If this is not possible (or not desired, 4545 * by setting 'h' in "guioptions") then the current line number is returned. 4546 */ 4547 static linenr_T 4548 gui_find_longest_lnum(void) 4549 { 4550 linenr_T ret = 0; 4551 4552 /* Calculate maximum for horizontal scrollbar. Check for reasonable 4553 * line numbers, topline and botline can be invalid when displaying is 4554 * postponed. */ 4555 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4556 && curwin->w_topline <= curwin->w_cursor.lnum 4557 && curwin->w_botline > curwin->w_cursor.lnum 4558 && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1) 4559 { 4560 linenr_T lnum; 4561 colnr_T n; 4562 long max = 0; 4563 4564 /* Use maximum of all visible lines. Remember the lnum of the 4565 * longest line, closest to the cursor line. Used when scrolling 4566 * below. */ 4567 for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum) 4568 { 4569 n = scroll_line_len(lnum); 4570 if (n > (colnr_T)max) 4571 { 4572 max = n; 4573 ret = lnum; 4574 } 4575 else if (n == (colnr_T)max 4576 && abs((int)(lnum - curwin->w_cursor.lnum)) 4577 < abs((int)(ret - curwin->w_cursor.lnum))) 4578 ret = lnum; 4579 } 4580 } 4581 else 4582 /* Use cursor line only. */ 4583 ret = curwin->w_cursor.lnum; 4584 4585 return ret; 4586 } 4587 4588 static void 4589 gui_update_horiz_scrollbar(int force) 4590 { 4591 long value, size, max; /* need 32 bit ints here */ 4592 4593 if (!gui.which_scrollbars[SBAR_BOTTOM]) 4594 return; 4595 4596 if (!force && gui.dragged_sb == SBAR_BOTTOM) 4597 return; 4598 4599 if (!force && curwin->w_p_wrap && gui.prev_wrap) 4600 return; 4601 4602 /* 4603 * It is possible for the cursor to be invalid if we're in the middle of 4604 * something (like changing files). If so, don't do anything for now. 4605 */ 4606 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 4607 { 4608 gui.bottom_sbar.value = -1; 4609 return; 4610 } 4611 4612 size = curwin->w_width; 4613 if (curwin->w_p_wrap) 4614 { 4615 value = 0; 4616 #ifdef SCROLL_PAST_END 4617 max = 0; 4618 #else 4619 max = curwin->w_width - 1; 4620 #endif 4621 } 4622 else 4623 { 4624 value = curwin->w_leftcol; 4625 4626 longest_lnum = gui_find_longest_lnum(); 4627 max = scroll_line_len(longest_lnum); 4628 4629 if (virtual_active()) 4630 { 4631 /* May move the cursor even further to the right. */ 4632 if (curwin->w_virtcol >= (colnr_T)max) 4633 max = curwin->w_virtcol; 4634 } 4635 4636 #ifndef SCROLL_PAST_END 4637 max += curwin->w_width - 1; 4638 #endif 4639 /* The line number isn't scrolled, thus there is less space when 4640 * 'number' or 'relativenumber' is set (also for 'foldcolumn'). */ 4641 size -= curwin_col_off(); 4642 #ifndef SCROLL_PAST_END 4643 max -= curwin_col_off(); 4644 #endif 4645 } 4646 4647 #ifndef SCROLL_PAST_END 4648 if (value > max - size + 1) 4649 value = max - size + 1; /* limit the value to allowable range */ 4650 #endif 4651 4652 #ifdef FEAT_RIGHTLEFT 4653 if (curwin->w_p_rl) 4654 { 4655 value = max + 1 - size - value; 4656 if (value < 0) 4657 { 4658 size += value; 4659 value = 0; 4660 } 4661 } 4662 #endif 4663 if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size 4664 && max == gui.bottom_sbar.max) 4665 return; 4666 4667 gui.bottom_sbar.value = value; 4668 gui.bottom_sbar.size = size; 4669 gui.bottom_sbar.max = max; 4670 gui.prev_wrap = curwin->w_p_wrap; 4671 4672 gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max); 4673 } 4674 4675 /* 4676 * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise. 4677 */ 4678 int 4679 gui_do_horiz_scroll(long_u leftcol, int compute_longest_lnum) 4680 { 4681 /* no wrapping, no scrolling */ 4682 if (curwin->w_p_wrap) 4683 return FALSE; 4684 4685 if (curwin->w_leftcol == (colnr_T)leftcol) 4686 return FALSE; 4687 4688 curwin->w_leftcol = (colnr_T)leftcol; 4689 4690 /* When the line of the cursor is too short, move the cursor to the 4691 * longest visible line. */ 4692 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4693 && !virtual_active() 4694 && (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum)) 4695 { 4696 if (compute_longest_lnum) 4697 { 4698 curwin->w_cursor.lnum = gui_find_longest_lnum(); 4699 curwin->w_cursor.col = 0; 4700 } 4701 /* Do a sanity check on "longest_lnum", just in case. */ 4702 else if (longest_lnum >= curwin->w_topline 4703 && longest_lnum < curwin->w_botline) 4704 { 4705 curwin->w_cursor.lnum = longest_lnum; 4706 curwin->w_cursor.col = 0; 4707 } 4708 } 4709 4710 return leftcol_changed(); 4711 } 4712 4713 /* 4714 * Check that none of the colors are the same as the background color 4715 */ 4716 void 4717 gui_check_colors(void) 4718 { 4719 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4720 { 4721 gui_set_bg_color((char_u *)"White"); 4722 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4723 gui_set_fg_color((char_u *)"Black"); 4724 } 4725 } 4726 4727 static void 4728 gui_set_fg_color(char_u *name) 4729 { 4730 gui.norm_pixel = gui_get_color(name); 4731 hl_set_fg_color_name(vim_strsave(name)); 4732 } 4733 4734 static void 4735 gui_set_bg_color(char_u *name) 4736 { 4737 gui.back_pixel = gui_get_color(name); 4738 hl_set_bg_color_name(vim_strsave(name)); 4739 } 4740 4741 /* 4742 * Allocate a color by name. 4743 * Returns INVALCOLOR and gives an error message when failed. 4744 */ 4745 guicolor_T 4746 gui_get_color(char_u *name) 4747 { 4748 guicolor_T t; 4749 4750 if (*name == NUL) 4751 return INVALCOLOR; 4752 t = gui_mch_get_color(name); 4753 4754 if (t == INVALCOLOR 4755 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) 4756 && gui.in_use 4757 #endif 4758 ) 4759 semsg(_("E254: Cannot allocate color %s"), name); 4760 return t; 4761 } 4762 4763 /* 4764 * Return the grey value of a color (range 0-255). 4765 */ 4766 int 4767 gui_get_lightness(guicolor_T pixel) 4768 { 4769 long_u rgb = (long_u)gui_mch_get_rgb(pixel); 4770 4771 return (int)( (((rgb >> 16) & 0xff) * 299) 4772 + (((rgb >> 8) & 0xff) * 587) 4773 + ((rgb & 0xff) * 114)) / 1000; 4774 } 4775 4776 #if defined(FEAT_GUI_X11) || defined(PROTO) 4777 void 4778 gui_new_scrollbar_colors(void) 4779 { 4780 win_T *wp; 4781 4782 /* Nothing to do if GUI hasn't started yet. */ 4783 if (!gui.in_use) 4784 return; 4785 4786 FOR_ALL_WINDOWS(wp) 4787 { 4788 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT])); 4789 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT])); 4790 } 4791 gui_mch_set_scrollbar_colors(&gui.bottom_sbar); 4792 } 4793 #endif 4794 4795 /* 4796 * Call this when focus has changed. 4797 */ 4798 void 4799 gui_focus_change(int in_focus) 4800 { 4801 /* 4802 * Skip this code to avoid drawing the cursor when debugging and switching 4803 * between the debugger window and gvim. 4804 */ 4805 #if 1 4806 gui.in_focus = in_focus; 4807 out_flush_cursor(TRUE, FALSE); 4808 4809 # ifdef FEAT_XIM 4810 xim_set_focus(in_focus); 4811 # endif 4812 4813 /* Put events in the input queue only when allowed. 4814 * ui_focus_change() isn't called directly, because it invokes 4815 * autocommands and that must not happen asynchronously. */ 4816 if (!hold_gui_events) 4817 { 4818 char_u bytes[3]; 4819 4820 bytes[0] = CSI; 4821 bytes[1] = KS_EXTRA; 4822 bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST; 4823 add_to_input_buf(bytes, 3); 4824 } 4825 #endif 4826 } 4827 4828 /* 4829 * When mouse moved: apply 'mousefocus'. 4830 * Also updates the mouse pointer shape. 4831 */ 4832 static void 4833 gui_mouse_focus(int x, int y) 4834 { 4835 win_T *wp; 4836 char_u st[8]; 4837 4838 #ifdef FEAT_MOUSESHAPE 4839 /* Get window pointer, and update mouse shape as well. */ 4840 wp = xy2win(x, y); 4841 #endif 4842 4843 /* Only handle this when 'mousefocus' set and ... */ 4844 if (p_mousef 4845 && !hold_gui_events /* not holding events */ 4846 && (State & (NORMAL|INSERT))/* Normal/Visual/Insert mode */ 4847 && State != HITRETURN /* but not hit-return prompt */ 4848 && msg_scrolled == 0 /* no scrolled message */ 4849 && !need_mouse_correct /* not moving the pointer */ 4850 && gui.in_focus) /* gvim in focus */ 4851 { 4852 /* Don't move the mouse when it's left or right of the Vim window */ 4853 if (x < 0 || x > Columns * gui.char_width) 4854 return; 4855 #ifndef FEAT_MOUSESHAPE 4856 wp = xy2win(x, y); 4857 #endif 4858 if (wp == curwin || wp == NULL) 4859 return; /* still in the same old window, or none at all */ 4860 4861 /* Ignore position in the tab pages line. */ 4862 if (Y_2_ROW(y) < tabline_height()) 4863 return; 4864 4865 /* 4866 * format a mouse click on status line input 4867 * ala gui_send_mouse_event(0, x, y, 0, 0); 4868 * Trick: Use a column number -1, so that get_pseudo_mouse_code() will 4869 * generate a K_LEFTMOUSE_NM key code. 4870 */ 4871 if (finish_op) 4872 { 4873 /* abort the current operator first */ 4874 st[0] = ESC; 4875 add_to_input_buf(st, 1); 4876 } 4877 st[0] = CSI; 4878 st[1] = KS_MOUSE; 4879 st[2] = KE_FILLER; 4880 st[3] = (char_u)MOUSE_LEFT; 4881 fill_mouse_coord(st + 4, 4882 wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF, 4883 wp->w_height + W_WINROW(wp)); 4884 4885 add_to_input_buf(st, 8); 4886 st[3] = (char_u)MOUSE_RELEASE; 4887 add_to_input_buf(st, 8); 4888 #ifdef FEAT_GUI_GTK 4889 /* Need to wake up the main loop */ 4890 if (gtk_main_level() > 0) 4891 gtk_main_quit(); 4892 #endif 4893 } 4894 } 4895 4896 /* 4897 * Called when the mouse moved (but not when dragging). 4898 */ 4899 void 4900 gui_mouse_moved(int x, int y) 4901 { 4902 // Ignore this while still starting up. 4903 if (!gui.in_use || gui.starting) 4904 return; 4905 4906 // apply 'mousefocus' and pointer shape 4907 gui_mouse_focus(x, y); 4908 4909 #ifdef FEAT_TEXT_PROP 4910 if (popup_visible) 4911 // Generate a mouse-moved event, so that the popup can perhaps be 4912 // closed, just like in the terminal. 4913 gui_send_mouse_event(MOUSE_DRAG, x, y, FALSE, 0); 4914 #endif 4915 } 4916 4917 /* 4918 * Called when mouse should be moved to window with focus. 4919 */ 4920 void 4921 gui_mouse_correct(void) 4922 { 4923 int x, y; 4924 win_T *wp = NULL; 4925 4926 need_mouse_correct = FALSE; 4927 4928 if (!(gui.in_use && p_mousef)) 4929 return; 4930 4931 gui_mch_getmouse(&x, &y); 4932 /* Don't move the mouse when it's left or right of the Vim window */ 4933 if (x < 0 || x > Columns * gui.char_width) 4934 return; 4935 if (y >= 0 && Y_2_ROW(y) >= tabline_height()) 4936 wp = xy2win(x, y); 4937 if (wp != curwin && wp != NULL) /* If in other than current window */ 4938 { 4939 validate_cline_row(); 4940 gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3, 4941 (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height 4942 + (gui.char_height) / 2); 4943 } 4944 } 4945 4946 /* 4947 * Find window where the mouse pointer "x" / "y" coordinate is in. 4948 * As a side effect update the shape of the mouse pointer. 4949 */ 4950 static win_T * 4951 xy2win(int x, int y) 4952 { 4953 int row; 4954 int col; 4955 win_T *wp; 4956 4957 row = Y_2_ROW(y); 4958 col = X_2_COL(x); 4959 if (row < 0 || col < 0) /* before first window */ 4960 return NULL; 4961 wp = mouse_find_win(&row, &col, FALSE); 4962 if (wp == NULL) 4963 return NULL; 4964 #ifdef FEAT_MOUSESHAPE 4965 if (State == HITRETURN || State == ASKMORE) 4966 { 4967 if (Y_2_ROW(y) >= msg_row) 4968 update_mouseshape(SHAPE_IDX_MOREL); 4969 else 4970 update_mouseshape(SHAPE_IDX_MORE); 4971 } 4972 else if (row > wp->w_height) /* below status line */ 4973 update_mouseshape(SHAPE_IDX_CLINE); 4974 else if (!(State & CMDLINE) && wp->w_vsep_width > 0 && col == wp->w_width 4975 && (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0) 4976 update_mouseshape(SHAPE_IDX_VSEP); 4977 else if (!(State & CMDLINE) && wp->w_status_height > 0 4978 && row == wp->w_height && msg_scrolled == 0) 4979 update_mouseshape(SHAPE_IDX_STATUS); 4980 else 4981 update_mouseshape(-2); 4982 #endif 4983 return wp; 4984 } 4985 4986 /* 4987 * ":gui" and ":gvim": Change from the terminal version to the GUI version. 4988 * File names may be given to redefine the args list. 4989 */ 4990 void 4991 ex_gui(exarg_T *eap) 4992 { 4993 char_u *arg = eap->arg; 4994 4995 /* 4996 * Check for "-f" argument: foreground, don't fork. 4997 * Also don't fork when started with "gvim -f". 4998 * Do fork when using "gui -b". 4999 */ 5000 if (arg[0] == '-' 5001 && (arg[1] == 'f' || arg[1] == 'b') 5002 && (arg[2] == NUL || VIM_ISWHITE(arg[2]))) 5003 { 5004 gui.dofork = (arg[1] == 'b'); 5005 eap->arg = skipwhite(eap->arg + 2); 5006 } 5007 if (!gui.in_use) 5008 { 5009 #if defined(VIMDLL) && !defined(EXPERIMENTAL_GUI_CMD) 5010 emsg(_(e_nogvim)); 5011 return; 5012 #else 5013 /* Clear the command. Needed for when forking+exiting, to avoid part 5014 * of the argument ending up after the shell prompt. */ 5015 msg_clr_eos_force(); 5016 # ifdef GUI_MAY_SPAWN 5017 if (!ends_excmd(*eap->arg)) 5018 gui_start(eap->arg); 5019 else 5020 # endif 5021 gui_start(NULL); 5022 # ifdef FEAT_JOB_CHANNEL 5023 channel_gui_register_all(); 5024 # endif 5025 #endif 5026 } 5027 if (!ends_excmd(*eap->arg)) 5028 ex_next(eap); 5029 } 5030 5031 #if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) \ 5032 || defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_PHOTON)) \ 5033 && defined(FEAT_TOOLBAR)) || defined(PROTO) 5034 /* 5035 * This is shared between Athena, Motif and GTK. 5036 */ 5037 5038 /* 5039 * Callback function for do_in_runtimepath(). 5040 */ 5041 static void 5042 gfp_setname(char_u *fname, void *cookie) 5043 { 5044 char_u *gfp_buffer = cookie; 5045 5046 if (STRLEN(fname) >= MAXPATHL) 5047 *gfp_buffer = NUL; 5048 else 5049 STRCPY(gfp_buffer, fname); 5050 } 5051 5052 /* 5053 * Find the path of bitmap "name" with extension "ext" in 'runtimepath'. 5054 * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result. 5055 */ 5056 int 5057 gui_find_bitmap(char_u *name, char_u *buffer, char *ext) 5058 { 5059 if (STRLEN(name) > MAXPATHL - 14) 5060 return FAIL; 5061 vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext); 5062 if (do_in_runtimepath(buffer, 0, gfp_setname, buffer) == FAIL 5063 || *buffer == NUL) 5064 return FAIL; 5065 return OK; 5066 } 5067 5068 # if !defined(FEAT_GUI_GTK) || defined(PROTO) 5069 /* 5070 * Given the name of the "icon=" argument, try finding the bitmap file for the 5071 * icon. If it is an absolute path name, use it as it is. Otherwise append 5072 * "ext" and search for it in 'runtimepath'. 5073 * The result is put in "buffer[MAXPATHL]". If something fails "buffer" 5074 * contains "name". 5075 */ 5076 void 5077 gui_find_iconfile(char_u *name, char_u *buffer, char *ext) 5078 { 5079 char_u buf[MAXPATHL + 1]; 5080 5081 expand_env(name, buffer, MAXPATHL); 5082 if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK) 5083 STRCPY(buffer, buf); 5084 } 5085 # endif 5086 #endif 5087 5088 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO) 5089 void 5090 display_errors(void) 5091 { 5092 char_u *p; 5093 5094 if (isatty(2)) 5095 fflush(stderr); 5096 else if (error_ga.ga_data != NULL) 5097 { 5098 /* avoid putting up a message box with blanks only */ 5099 for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p) 5100 if (!isspace(*p)) 5101 { 5102 /* Truncate a very long message, it will go off-screen. */ 5103 if (STRLEN(p) > 2000) 5104 STRCPY(p + 2000 - 14, "...(truncated)"); 5105 (void)do_dialog(VIM_ERROR, (char_u *)_("Error"), 5106 p, (char_u *)_("&Ok"), 1, NULL, FALSE); 5107 break; 5108 } 5109 ga_clear(&error_ga); 5110 } 5111 } 5112 #endif 5113 5114 #if defined(NO_CONSOLE_INPUT) || defined(PROTO) 5115 /* 5116 * Return TRUE if still starting up and there is no place to enter text. 5117 * For GTK and X11 we check if stderr is not a tty, which means we were 5118 * (probably) started from the desktop. Also check stdin, "vim >& file" does 5119 * allow typing on stdin. 5120 */ 5121 int 5122 no_console_input(void) 5123 { 5124 return ((!gui.in_use || gui.starting) 5125 # ifndef NO_CONSOLE 5126 && !isatty(0) && !isatty(2) 5127 # endif 5128 ); 5129 } 5130 #endif 5131 5132 #if defined(FIND_REPLACE_DIALOG) \ 5133 || defined(NEED_GUI_UPDATE_SCREEN) \ 5134 || defined(PROTO) 5135 /* 5136 * Update the current window and the screen. 5137 */ 5138 void 5139 gui_update_screen(void) 5140 { 5141 # ifdef FEAT_CONCEAL 5142 linenr_T conceal_old_cursor_line = 0; 5143 linenr_T conceal_new_cursor_line = 0; 5144 int conceal_update_lines = FALSE; 5145 # endif 5146 5147 update_topline(); 5148 validate_cursor(); 5149 5150 /* Trigger CursorMoved if the cursor moved. */ 5151 if (!finish_op && (has_cursormoved() 5152 # ifdef FEAT_TEXT_PROP 5153 || popup_visible 5154 # endif 5155 # ifdef FEAT_CONCEAL 5156 || curwin->w_p_cole > 0 5157 # endif 5158 ) && !EQUAL_POS(last_cursormoved, curwin->w_cursor)) 5159 { 5160 if (has_cursormoved()) 5161 apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf); 5162 #ifdef FEAT_TEXT_PROP 5163 if (popup_visible) 5164 popup_check_cursor_pos(); 5165 #endif 5166 # ifdef FEAT_CONCEAL 5167 if (curwin->w_p_cole > 0) 5168 { 5169 conceal_old_cursor_line = last_cursormoved.lnum; 5170 conceal_new_cursor_line = curwin->w_cursor.lnum; 5171 conceal_update_lines = TRUE; 5172 } 5173 # endif 5174 last_cursormoved = curwin->w_cursor; 5175 } 5176 5177 # ifdef FEAT_CONCEAL 5178 if (conceal_update_lines 5179 && (conceal_old_cursor_line != conceal_new_cursor_line 5180 || conceal_cursor_line(curwin) 5181 || need_cursor_line_redraw)) 5182 { 5183 if (conceal_old_cursor_line != conceal_new_cursor_line) 5184 redrawWinline(curwin, conceal_old_cursor_line); 5185 redrawWinline(curwin, conceal_new_cursor_line); 5186 curwin->w_valid &= ~VALID_CROW; 5187 need_cursor_line_redraw = FALSE; 5188 } 5189 # endif 5190 update_screen(0); /* may need to update the screen */ 5191 setcursor(); 5192 out_flush_cursor(TRUE, FALSE); 5193 } 5194 #endif 5195 5196 #if defined(FIND_REPLACE_DIALOG) || defined(PROTO) 5197 /* 5198 * Get the text to use in a find/replace dialog. Uses the last search pattern 5199 * if the argument is empty. 5200 * Returns an allocated string. 5201 */ 5202 char_u * 5203 get_find_dialog_text( 5204 char_u *arg, 5205 int *wwordp, /* return: TRUE if \< \> found */ 5206 int *mcasep) /* return: TRUE if \C found */ 5207 { 5208 char_u *text; 5209 5210 if (*arg == NUL) 5211 text = last_search_pat(); 5212 else 5213 text = arg; 5214 if (text != NULL) 5215 { 5216 text = vim_strsave(text); 5217 if (text != NULL) 5218 { 5219 int len = (int)STRLEN(text); 5220 int i; 5221 5222 /* Remove "\V" */ 5223 if (len >= 2 && STRNCMP(text, "\\V", 2) == 0) 5224 { 5225 mch_memmove(text, text + 2, (size_t)(len - 1)); 5226 len -= 2; 5227 } 5228 5229 /* Recognize "\c" and "\C" and remove. */ 5230 if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C')) 5231 { 5232 *mcasep = (text[1] == 'C'); 5233 mch_memmove(text, text + 2, (size_t)(len - 1)); 5234 len -= 2; 5235 } 5236 5237 /* Recognize "\<text\>" and remove. */ 5238 if (len >= 4 5239 && STRNCMP(text, "\\<", 2) == 0 5240 && STRNCMP(text + len - 2, "\\>", 2) == 0) 5241 { 5242 *wwordp = TRUE; 5243 mch_memmove(text, text + 2, (size_t)(len - 4)); 5244 text[len - 4] = NUL; 5245 } 5246 5247 /* Recognize "\/" or "\?" and remove. */ 5248 for (i = 0; i + 1 < len; ++i) 5249 if (text[i] == '\\' && (text[i + 1] == '/' 5250 || text[i + 1] == '?')) 5251 { 5252 mch_memmove(text + i, text + i + 1, (size_t)(len - i)); 5253 --len; 5254 } 5255 } 5256 } 5257 return text; 5258 } 5259 5260 /* 5261 * Handle the press of a button in the find-replace dialog. 5262 * Return TRUE when something was added to the input buffer. 5263 */ 5264 int 5265 gui_do_findrepl( 5266 int flags, /* one of FRD_REPLACE, FRD_FINDNEXT, etc. */ 5267 char_u *find_text, 5268 char_u *repl_text, 5269 int down) /* Search downwards. */ 5270 { 5271 garray_T ga; 5272 int i; 5273 int type = (flags & FRD_TYPE_MASK); 5274 char_u *p; 5275 regmatch_T regmatch; 5276 int save_did_emsg = did_emsg; 5277 static int busy = FALSE; 5278 5279 /* When the screen is being updated we should not change buffers and 5280 * windows structures, it may cause freed memory to be used. Also don't 5281 * do this recursively (pressing "Find" quickly several times. */ 5282 if (updating_screen || busy) 5283 return FALSE; 5284 5285 /* refuse replace when text cannot be changed */ 5286 if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked()) 5287 return FALSE; 5288 5289 busy = TRUE; 5290 5291 ga_init2(&ga, 1, 100); 5292 if (type == FRD_REPLACEALL) 5293 ga_concat(&ga, (char_u *)"%s/"); 5294 5295 ga_concat(&ga, (char_u *)"\\V"); 5296 if (flags & FRD_MATCH_CASE) 5297 ga_concat(&ga, (char_u *)"\\C"); 5298 else 5299 ga_concat(&ga, (char_u *)"\\c"); 5300 if (flags & FRD_WHOLE_WORD) 5301 ga_concat(&ga, (char_u *)"\\<"); 5302 /* escape / and \ */ 5303 p = vim_strsave_escaped(find_text, (char_u *)"/\\"); 5304 if (p != NULL) 5305 ga_concat(&ga, p); 5306 vim_free(p); 5307 if (flags & FRD_WHOLE_WORD) 5308 ga_concat(&ga, (char_u *)"\\>"); 5309 5310 if (type == FRD_REPLACEALL) 5311 { 5312 ga_concat(&ga, (char_u *)"/"); 5313 /* escape / and \ */ 5314 p = vim_strsave_escaped(repl_text, (char_u *)"/\\"); 5315 if (p != NULL) 5316 ga_concat(&ga, p); 5317 vim_free(p); 5318 ga_concat(&ga, (char_u *)"/g"); 5319 } 5320 ga_append(&ga, NUL); 5321 5322 if (type == FRD_REPLACE) 5323 { 5324 /* Do the replacement when the text at the cursor matches. Thus no 5325 * replacement is done if the cursor was moved! */ 5326 regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING); 5327 regmatch.rm_ic = 0; 5328 if (regmatch.regprog != NULL) 5329 { 5330 p = ml_get_cursor(); 5331 if (vim_regexec_nl(®match, p, (colnr_T)0) 5332 && regmatch.startp[0] == p) 5333 { 5334 /* Clear the command line to remove any old "No match" 5335 * error. */ 5336 msg_end_prompt(); 5337 5338 if (u_save_cursor() == OK) 5339 { 5340 /* A button was pressed thus undo should be synced. */ 5341 u_sync(FALSE); 5342 5343 del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]), 5344 FALSE, FALSE); 5345 ins_str(repl_text); 5346 } 5347 } 5348 else 5349 msg(_("No match at cursor, finding next")); 5350 vim_regfree(regmatch.regprog); 5351 } 5352 } 5353 5354 if (type == FRD_REPLACEALL) 5355 { 5356 /* A button was pressed, thus undo should be synced. */ 5357 u_sync(FALSE); 5358 do_cmdline_cmd(ga.ga_data); 5359 } 5360 else 5361 { 5362 int searchflags = SEARCH_MSG + SEARCH_MARK; 5363 5364 /* Search for the next match. 5365 * Don't skip text under cursor for single replace. */ 5366 if (type == FRD_REPLACE) 5367 searchflags += SEARCH_START; 5368 i = msg_scroll; 5369 if (down) 5370 { 5371 (void)do_search(NULL, '/', ga.ga_data, 1L, searchflags, NULL, NULL); 5372 } 5373 else 5374 { 5375 /* We need to escape '?' if and only if we are searching in the up 5376 * direction */ 5377 p = vim_strsave_escaped(ga.ga_data, (char_u *)"?"); 5378 if (p != NULL) 5379 (void)do_search(NULL, '?', p, 1L, searchflags, NULL, NULL); 5380 vim_free(p); 5381 } 5382 5383 msg_scroll = i; /* don't let an error message set msg_scroll */ 5384 } 5385 5386 /* Don't want to pass did_emsg to other code, it may cause disabling 5387 * syntax HL if we were busy redrawing. */ 5388 did_emsg = save_did_emsg; 5389 5390 if (State & (NORMAL | INSERT)) 5391 { 5392 gui_update_screen(); /* update the screen */ 5393 msg_didout = 0; /* overwrite any message */ 5394 need_wait_return = FALSE; /* don't wait for return */ 5395 } 5396 5397 vim_free(ga.ga_data); 5398 busy = FALSE; 5399 return (ga.ga_len > 0); 5400 } 5401 5402 #endif 5403 5404 #if defined(HAVE_DROP_FILE) || defined(PROTO) 5405 /* 5406 * Jump to the window at specified point (x, y). 5407 */ 5408 static void 5409 gui_wingoto_xy(int x, int y) 5410 { 5411 int row = Y_2_ROW(y); 5412 int col = X_2_COL(x); 5413 win_T *wp; 5414 5415 if (row >= 0 && col >= 0) 5416 { 5417 wp = mouse_find_win(&row, &col, FAIL_POPUP); 5418 if (wp != NULL && wp != curwin) 5419 win_goto(wp); 5420 } 5421 } 5422 5423 /* 5424 * Function passed to handle_drop() for the actions to be done after the 5425 * argument list has been updated. 5426 */ 5427 static void 5428 drop_callback(void *cookie) 5429 { 5430 char_u *p = cookie; 5431 5432 /* If Shift held down, change to first file's directory. If the first 5433 * item is a directory, change to that directory (and let the explorer 5434 * plugin show the contents). */ 5435 if (p != NULL) 5436 { 5437 if (mch_isdir(p)) 5438 { 5439 if (mch_chdir((char *)p) == 0) 5440 shorten_fnames(TRUE); 5441 } 5442 else if (vim_chdirfile(p, "drop") == OK) 5443 shorten_fnames(TRUE); 5444 vim_free(p); 5445 } 5446 5447 /* Update the screen display */ 5448 update_screen(NOT_VALID); 5449 # ifdef FEAT_MENU 5450 gui_update_menus(0); 5451 # endif 5452 #ifdef FEAT_TITLE 5453 maketitle(); 5454 #endif 5455 setcursor(); 5456 out_flush_cursor(FALSE, FALSE); 5457 } 5458 5459 /* 5460 * Process file drop. Mouse cursor position, key modifiers, name of files 5461 * and count of files are given. Argument "fnames[count]" has full pathnames 5462 * of dropped files, they will be freed in this function, and caller can't use 5463 * fnames after call this function. 5464 */ 5465 void 5466 gui_handle_drop( 5467 int x UNUSED, 5468 int y UNUSED, 5469 int_u modifiers, 5470 char_u **fnames, 5471 int count) 5472 { 5473 int i; 5474 char_u *p; 5475 static int entered = FALSE; 5476 5477 /* 5478 * This function is called by event handlers. Just in case we get a 5479 * second event before the first one is handled, ignore the second one. 5480 * Not sure if this can ever happen, just in case. 5481 */ 5482 if (entered) 5483 return; 5484 entered = TRUE; 5485 5486 /* 5487 * When the cursor is at the command line, add the file names to the 5488 * command line, don't edit the files. 5489 */ 5490 if (State & CMDLINE) 5491 { 5492 shorten_filenames(fnames, count); 5493 for (i = 0; i < count; ++i) 5494 { 5495 if (fnames[i] != NULL) 5496 { 5497 if (i > 0) 5498 add_to_input_buf((char_u*)" ", 1); 5499 5500 /* We don't know what command is used thus we can't be sure 5501 * about which characters need to be escaped. Only escape the 5502 * most common ones. */ 5503 # ifdef BACKSLASH_IN_FILENAME 5504 p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|"); 5505 # else 5506 p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|"); 5507 # endif 5508 if (p != NULL) 5509 add_to_input_buf_csi(p, (int)STRLEN(p)); 5510 vim_free(p); 5511 vim_free(fnames[i]); 5512 } 5513 } 5514 vim_free(fnames); 5515 } 5516 else 5517 { 5518 /* Go to the window under mouse cursor, then shorten given "fnames" by 5519 * current window, because a window can have local current dir. */ 5520 gui_wingoto_xy(x, y); 5521 shorten_filenames(fnames, count); 5522 5523 /* If Shift held down, remember the first item. */ 5524 if ((modifiers & MOUSE_SHIFT) != 0) 5525 p = vim_strsave(fnames[0]); 5526 else 5527 p = NULL; 5528 5529 /* Handle the drop, :edit or :split to get to the file. This also 5530 * frees fnames[]. Skip this if there is only one item, it's a 5531 * directory and Shift is held down. */ 5532 if (count == 1 && (modifiers & MOUSE_SHIFT) != 0 5533 && mch_isdir(fnames[0])) 5534 { 5535 vim_free(fnames[0]); 5536 vim_free(fnames); 5537 } 5538 else 5539 handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0, 5540 drop_callback, (void *)p); 5541 } 5542 5543 entered = FALSE; 5544 } 5545 #endif 5546