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_MBYTE) && !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_position_components(int); 21 static void gui_outstr(char_u *, int); 22 static int gui_screenchar(int off, int flags, guicolor_T fg, guicolor_T bg, int back); 23 #ifdef FEAT_GUI_GTK 24 static int gui_screenstr(int off, int len, int flags, guicolor_T fg, guicolor_T bg, int back); 25 #endif 26 static void gui_delete_lines(int row, int count); 27 static void gui_insert_lines(int row, int count); 28 static void fill_mouse_coord(char_u *p, int col, int row); 29 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 30 static int gui_has_tabline(void); 31 #endif 32 static void gui_do_scrollbar(win_T *wp, int which, int enable); 33 static colnr_T scroll_line_len(linenr_T lnum); 34 static linenr_T gui_find_longest_lnum(void); 35 static void gui_update_horiz_scrollbar(int); 36 static void gui_set_fg_color(char_u *name); 37 static void gui_set_bg_color(char_u *name); 38 static win_T *xy2win(int x, int y); 39 40 #if defined(UNIX) && !defined(FEAT_GUI_MAC) 41 # define MAY_FORK 42 static void gui_do_fork(void); 43 44 static int gui_read_child_pipe(int fd); 45 46 /* Return values for gui_read_child_pipe */ 47 enum { 48 GUI_CHILD_IO_ERROR, 49 GUI_CHILD_OK, 50 GUI_CHILD_FAILED 51 }; 52 53 #endif /* MAY_FORK */ 54 55 static void gui_attempt_start(void); 56 57 static int can_update_cursor = TRUE; /* can display the cursor */ 58 59 /* 60 * The Athena scrollbars can move the thumb to after the end of the scrollbar, 61 * this makes the thumb indicate the part of the text that is shown. Motif 62 * can't do this. 63 */ 64 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MAC) 65 # define SCROLL_PAST_END 66 #endif 67 68 /* 69 * gui_start -- Called when user wants to start the GUI. 70 * 71 * Careful: This function can be called recursively when there is a ":gui" 72 * command in the .gvimrc file. Only the first call should fork, not the 73 * recursive call. 74 */ 75 void 76 gui_start(void) 77 { 78 char_u *old_term; 79 static int recursive = 0; 80 81 old_term = vim_strsave(T_NAME); 82 83 settmode(TMODE_COOK); /* stop RAW mode */ 84 if (full_screen) 85 cursor_on(); /* needed for ":gui" in .vimrc */ 86 full_screen = FALSE; 87 88 ++recursive; 89 90 #ifdef MAY_FORK 91 /* 92 * Quit the current process and continue in the child. 93 * Makes "gvim file" disconnect from the shell it was started in. 94 * Don't do this when Vim was started with "-f" or the 'f' flag is present 95 * in 'guioptions'. 96 */ 97 if (gui.dofork && !vim_strchr(p_go, GO_FORG) && recursive <= 1) 98 { 99 gui_do_fork(); 100 } 101 else 102 #endif 103 { 104 #ifdef FEAT_GUI_GTK 105 /* If there is 'f' in 'guioptions' and specify -g argument, 106 * gui_mch_init_check() was not called yet. */ 107 if (gui_mch_init_check() != OK) 108 getout_preserve_modified(1); 109 #endif 110 gui_attempt_start(); 111 } 112 113 if (!gui.in_use) /* failed to start GUI */ 114 { 115 /* Back to old term settings 116 * 117 * FIXME: If we got here because a child process failed and flagged to 118 * the parent to resume, and X11 is enabled with FEAT_TITLE, this will 119 * hit an X11 I/O error and do a longjmp(), leaving recursive 120 * permanently set to 1. This is probably not as big a problem as it 121 * sounds, because gui_mch_init() in both gui_x11.c and gui_gtk_x11.c 122 * return "OK" unconditionally, so it would be very difficult to 123 * actually hit this case. 124 */ 125 termcapinit(old_term); 126 settmode(TMODE_RAW); /* restart RAW mode */ 127 #ifdef FEAT_TITLE 128 set_title_defaults(); /* set 'title' and 'icon' again */ 129 #endif 130 } 131 132 vim_free(old_term); 133 134 #ifdef FEAT_AUTOCMD 135 /* If the GUI started successfully, trigger the GUIEnter event, otherwise 136 * the GUIFailed event. */ 137 gui_mch_update(); 138 apply_autocmds(gui.in_use ? EVENT_GUIENTER : EVENT_GUIFAILED, 139 NULL, NULL, FALSE, curbuf); 140 #endif 141 --recursive; 142 } 143 144 /* 145 * Set_termname() will call gui_init() to start the GUI. 146 * Set the "starting" flag, to indicate that the GUI will start. 147 * 148 * We don't want to open the GUI shell until after we've read .gvimrc, 149 * otherwise we don't know what font we will use, and hence we don't know 150 * what size the shell should be. So if there are errors in the .gvimrc 151 * file, they will have to go to the terminal: Set full_screen to FALSE. 152 * full_screen will be set to TRUE again by a successful termcapinit(). 153 */ 154 static void 155 gui_attempt_start(void) 156 { 157 static int recursive = 0; 158 159 ++recursive; 160 gui.starting = TRUE; 161 162 #ifdef FEAT_GUI_GTK 163 gui.event_time = GDK_CURRENT_TIME; 164 #endif 165 166 termcapinit((char_u *)"builtin_gui"); 167 gui.starting = recursive - 1; 168 169 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) 170 if (gui.in_use) 171 { 172 # ifdef FEAT_EVAL 173 Window x11_window; 174 Display *x11_display; 175 176 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) 177 set_vim_var_nr(VV_WINDOWID, (long)x11_window); 178 # endif 179 180 /* Display error messages in a dialog now. */ 181 display_errors(); 182 } 183 #endif 184 --recursive; 185 } 186 187 #ifdef MAY_FORK 188 189 /* for waitpid() */ 190 # if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT) 191 # include <sys/wait.h> 192 # endif 193 194 /* 195 * Create a new process, by forking. In the child, start the GUI, and in 196 * the parent, exit. 197 * 198 * If something goes wrong, this will return with gui.in_use still set 199 * to FALSE, in which case the caller should continue execution without 200 * the GUI. 201 * 202 * If the child fails to start the GUI, then the child will exit and the 203 * parent will return. If the child succeeds, then the parent will exit 204 * and the child will return. 205 */ 206 static void 207 gui_do_fork(void) 208 { 209 int pipefd[2]; /* pipe between parent and child */ 210 int pipe_error; 211 int status; 212 int exit_status; 213 pid_t pid = -1; 214 215 /* Setup a pipe between the child and the parent, so that the parent 216 * knows when the child has done the setsid() call and is allowed to 217 * exit. */ 218 pipe_error = (pipe(pipefd) < 0); 219 pid = fork(); 220 if (pid < 0) /* Fork error */ 221 { 222 EMSG(_("E851: Failed to create a new process for the GUI")); 223 return; 224 } 225 else if (pid > 0) /* Parent */ 226 { 227 /* Give the child some time to do the setsid(), otherwise the 228 * exit() may kill the child too (when starting gvim from inside a 229 * gvim). */ 230 if (!pipe_error) 231 { 232 /* The read returns when the child closes the pipe (or when 233 * the child dies for some reason). */ 234 close(pipefd[1]); 235 status = gui_read_child_pipe(pipefd[0]); 236 if (status == GUI_CHILD_FAILED) 237 { 238 /* The child failed to start the GUI, so the caller must 239 * continue. There may be more error information written 240 * to stderr by the child. */ 241 # ifdef __NeXT__ 242 wait4(pid, &exit_status, 0, (struct rusage *)0); 243 # else 244 waitpid(pid, &exit_status, 0); 245 # endif 246 EMSG(_("E852: The child process failed to start the GUI")); 247 return; 248 } 249 else if (status == GUI_CHILD_IO_ERROR) 250 { 251 pipe_error = TRUE; 252 } 253 /* else GUI_CHILD_OK: parent exit */ 254 } 255 256 if (pipe_error) 257 ui_delay(300L, TRUE); 258 259 /* When swapping screens we may need to go to the next line, e.g., 260 * after a hit-enter prompt and using ":gui". */ 261 if (newline_on_exit) 262 mch_errmsg("\r\n"); 263 264 /* 265 * The parent must skip the normal exit() processing, the child 266 * will do it. For example, GTK messes up signals when exiting. 267 */ 268 _exit(0); 269 } 270 /* Child */ 271 272 #ifdef FEAT_GUI_GTK 273 /* Call gtk_init_check() here after fork(). See gui_init_check(). */ 274 if (gui_mch_init_check() != OK) 275 getout_preserve_modified(1); 276 #endif 277 278 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) 279 /* 280 * Change our process group. On some systems/shells a CTRL-C in the 281 * shell where Vim was started would otherwise kill gvim! 282 */ 283 # if defined(HAVE_SETSID) 284 (void)setsid(); 285 # else 286 (void)setpgid(0, 0); 287 # endif 288 # endif 289 if (!pipe_error) 290 close(pipefd[0]); 291 292 # if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION) 293 /* Tell the session manager our new PID */ 294 gui_mch_forked(); 295 # endif 296 297 /* Try to start the GUI */ 298 gui_attempt_start(); 299 300 /* Notify the parent */ 301 if (!pipe_error) 302 { 303 if (gui.in_use) 304 write_eintr(pipefd[1], "ok", 3); 305 else 306 write_eintr(pipefd[1], "fail", 5); 307 close(pipefd[1]); 308 } 309 310 /* If we failed to start the GUI, exit now. */ 311 if (!gui.in_use) 312 getout_preserve_modified(1); 313 } 314 315 /* 316 * Read from a pipe assumed to be connected to the child process (this 317 * function is called from the parent). 318 * Return GUI_CHILD_OK if the child successfully started the GUI, 319 * GUY_CHILD_FAILED if the child failed, or GUI_CHILD_IO_ERROR if there was 320 * some other error. 321 * 322 * The file descriptor will be closed before the function returns. 323 */ 324 static int 325 gui_read_child_pipe(int fd) 326 { 327 long bytes_read; 328 #define READ_BUFFER_SIZE 10 329 char buffer[READ_BUFFER_SIZE]; 330 331 bytes_read = read_eintr(fd, buffer, READ_BUFFER_SIZE - 1); 332 #undef READ_BUFFER_SIZE 333 close(fd); 334 if (bytes_read < 0) 335 return GUI_CHILD_IO_ERROR; 336 buffer[bytes_read] = NUL; 337 if (strcmp(buffer, "ok") == 0) 338 return GUI_CHILD_OK; 339 return GUI_CHILD_FAILED; 340 } 341 342 #endif /* MAY_FORK */ 343 344 /* 345 * Call this when vim starts up, whether or not the GUI is started 346 */ 347 void 348 gui_prepare(int *argc, char **argv) 349 { 350 gui.in_use = FALSE; /* No GUI yet (maybe later) */ 351 gui.starting = FALSE; /* No GUI yet (maybe later) */ 352 gui_mch_prepare(argc, argv); 353 } 354 355 /* 356 * Try initializing the GUI and check if it can be started. 357 * Used from main() to check early if "vim -g" can start the GUI. 358 * Used from gui_init() to prepare for starting the GUI. 359 * Returns FAIL or OK. 360 */ 361 int 362 gui_init_check(void) 363 { 364 static int result = MAYBE; 365 366 if (result != MAYBE) 367 { 368 if (result == FAIL) 369 EMSG(_("E229: Cannot start the GUI")); 370 return result; 371 } 372 373 gui.shell_created = FALSE; 374 gui.dying = FALSE; 375 gui.in_focus = TRUE; /* so the guicursor setting works */ 376 gui.dragged_sb = SBAR_NONE; 377 gui.dragged_wp = NULL; 378 gui.pointer_hidden = FALSE; 379 gui.col = 0; 380 gui.row = 0; 381 gui.num_cols = Columns; 382 gui.num_rows = Rows; 383 384 gui.cursor_is_valid = FALSE; 385 gui.scroll_region_top = 0; 386 gui.scroll_region_bot = Rows - 1; 387 gui.scroll_region_left = 0; 388 gui.scroll_region_right = Columns - 1; 389 gui.highlight_mask = HL_NORMAL; 390 gui.char_width = 1; 391 gui.char_height = 1; 392 gui.char_ascent = 0; 393 gui.border_width = 0; 394 395 gui.norm_font = NOFONT; 396 #ifndef FEAT_GUI_GTK 397 gui.bold_font = NOFONT; 398 gui.ital_font = NOFONT; 399 gui.boldital_font = NOFONT; 400 # ifdef FEAT_XFONTSET 401 gui.fontset = NOFONTSET; 402 # endif 403 #endif 404 #ifdef FEAT_MBYTE 405 gui.wide_font = NOFONT; 406 # ifndef FEAT_GUI_GTK 407 gui.wide_bold_font = NOFONT; 408 gui.wide_ital_font = NOFONT; 409 gui.wide_boldital_font = NOFONT; 410 # endif 411 #endif 412 413 #ifdef FEAT_MENU 414 # ifndef FEAT_GUI_GTK 415 # ifdef FONTSET_ALWAYS 416 gui.menu_fontset = NOFONTSET; 417 # else 418 gui.menu_font = NOFONT; 419 # endif 420 # endif 421 gui.menu_is_active = TRUE; /* default: include menu */ 422 # ifndef FEAT_GUI_GTK 423 gui.menu_height = MENU_DEFAULT_HEIGHT; 424 gui.menu_width = 0; 425 # endif 426 #endif 427 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) 428 gui.toolbar_height = 0; 429 #endif 430 #if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF) 431 gui.footer_height = 0; 432 #endif 433 #ifdef FEAT_BEVAL_TIP 434 gui.tooltip_fontset = NOFONTSET; 435 #endif 436 437 gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH; 438 gui.prev_wrap = -1; 439 440 #ifdef ALWAYS_USE_GUI 441 result = OK; 442 #else 443 # ifdef FEAT_GUI_GTK 444 /* 445 * Note: Don't call gtk_init_check() before fork, it will be called after 446 * the fork. When calling it before fork, it make vim hang for a while. 447 * See gui_do_fork(). 448 * Use a simpler check if the GUI window can probably be opened. 449 */ 450 result = gui.dofork ? gui_mch_early_init_check(TRUE) : gui_mch_init_check(); 451 # else 452 result = gui_mch_init_check(); 453 # endif 454 #endif 455 return result; 456 } 457 458 /* 459 * This is the call which starts the GUI. 460 */ 461 void 462 gui_init(void) 463 { 464 win_T *wp; 465 static int recursive = 0; 466 467 /* 468 * It's possible to use ":gui" in a .gvimrc file. The first halve of this 469 * function will then be executed at the first call, the rest by the 470 * recursive call. This allow the shell to be opened halfway reading a 471 * gvimrc file. 472 */ 473 if (!recursive) 474 { 475 ++recursive; 476 477 clip_init(TRUE); 478 479 /* If can't initialize, don't try doing the rest */ 480 if (gui_init_check() == FAIL) 481 { 482 --recursive; 483 clip_init(FALSE); 484 return; 485 } 486 487 /* 488 * Reset 'paste'. It's useful in the terminal, but not in the GUI. It 489 * breaks the Paste toolbar button. 490 */ 491 set_option_value((char_u *)"paste", 0L, NULL, 0); 492 493 /* 494 * Set up system-wide default menus. 495 */ 496 #if defined(SYS_MENU_FILE) && defined(FEAT_MENU) 497 if (vim_strchr(p_go, GO_NOSYSMENU) == NULL) 498 { 499 sys_menu = TRUE; 500 do_source((char_u *)SYS_MENU_FILE, FALSE, DOSO_NONE); 501 sys_menu = FALSE; 502 } 503 #endif 504 505 /* 506 * Switch on the mouse by default, unless the user changed it already. 507 * This can then be changed in the .gvimrc. 508 */ 509 if (!option_was_set((char_u *)"mouse")) 510 set_string_option_direct((char_u *)"mouse", -1, 511 (char_u *)"a", OPT_FREE, SID_NONE); 512 513 /* 514 * If -U option given, use only the initializations from that file and 515 * nothing else. Skip all initializations for "-U NONE" or "-u NORC". 516 */ 517 if (use_gvimrc != NULL) 518 { 519 if (STRCMP(use_gvimrc, "NONE") != 0 520 && STRCMP(use_gvimrc, "NORC") != 0 521 && do_source(use_gvimrc, FALSE, DOSO_NONE) != OK) 522 EMSG2(_("E230: Cannot read from \"%s\""), use_gvimrc); 523 } 524 else 525 { 526 /* 527 * Get system wide defaults for gvim, only when file name defined. 528 */ 529 #ifdef SYS_GVIMRC_FILE 530 do_source((char_u *)SYS_GVIMRC_FILE, FALSE, DOSO_NONE); 531 #endif 532 533 /* 534 * Try to read GUI initialization commands from the following 535 * places: 536 * - environment variable GVIMINIT 537 * - the user gvimrc file (~/.gvimrc) 538 * - the second user gvimrc file ($VIM/.gvimrc for Dos) 539 * - the third user gvimrc file ($VIM/.gvimrc for Amiga) 540 * The first that exists is used, the rest is ignored. 541 */ 542 if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL 543 && do_source((char_u *)USR_GVIMRC_FILE, TRUE, 544 DOSO_GVIMRC) == FAIL 545 #ifdef USR_GVIMRC_FILE2 546 && do_source((char_u *)USR_GVIMRC_FILE2, TRUE, 547 DOSO_GVIMRC) == FAIL 548 #endif 549 #ifdef USR_GVIMRC_FILE3 550 && do_source((char_u *)USR_GVIMRC_FILE3, TRUE, 551 DOSO_GVIMRC) == FAIL 552 #endif 553 ) 554 { 555 #ifdef USR_GVIMRC_FILE4 556 (void)do_source((char_u *)USR_GVIMRC_FILE4, TRUE, DOSO_GVIMRC); 557 #endif 558 } 559 560 /* 561 * Read initialization commands from ".gvimrc" in current 562 * directory. This is only done if the 'exrc' option is set. 563 * Because of security reasons we disallow shell and write 564 * commands now, except for unix if the file is owned by the user 565 * or 'secure' option has been reset in environment of global 566 * ".gvimrc". 567 * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE, 568 * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE. 569 */ 570 if (p_exrc) 571 { 572 #ifdef UNIX 573 { 574 stat_T s; 575 576 /* if ".gvimrc" file is not owned by user, set 'secure' 577 * mode */ 578 if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid()) 579 secure = p_secure; 580 } 581 #else 582 secure = p_secure; 583 #endif 584 585 if ( fullpathcmp((char_u *)USR_GVIMRC_FILE, 586 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 587 #ifdef SYS_GVIMRC_FILE 588 && fullpathcmp((char_u *)SYS_GVIMRC_FILE, 589 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 590 #endif 591 #ifdef USR_GVIMRC_FILE2 592 && fullpathcmp((char_u *)USR_GVIMRC_FILE2, 593 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 594 #endif 595 #ifdef USR_GVIMRC_FILE3 596 && fullpathcmp((char_u *)USR_GVIMRC_FILE3, 597 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 598 #endif 599 #ifdef USR_GVIMRC_FILE4 600 && fullpathcmp((char_u *)USR_GVIMRC_FILE4, 601 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 602 #endif 603 ) 604 do_source((char_u *)GVIMRC_FILE, TRUE, DOSO_GVIMRC); 605 606 if (secure == 2) 607 need_wait_return = TRUE; 608 secure = 0; 609 } 610 } 611 612 if (need_wait_return || msg_didany) 613 wait_return(TRUE); 614 615 --recursive; 616 } 617 618 /* If recursive call opened the shell, return here from the first call */ 619 if (gui.in_use) 620 return; 621 622 /* 623 * Create the GUI shell. 624 */ 625 gui.in_use = TRUE; /* Must be set after menus have been set up */ 626 if (gui_mch_init() == FAIL) 627 goto error; 628 629 /* Avoid a delay for an error message that was printed in the terminal 630 * where Vim was started. */ 631 emsg_on_display = FALSE; 632 msg_scrolled = 0; 633 clear_sb_text(TRUE); 634 need_wait_return = FALSE; 635 msg_didany = FALSE; 636 637 /* 638 * Check validity of any generic resources that may have been loaded. 639 */ 640 if (gui.border_width < 0) 641 gui.border_width = 0; 642 643 /* 644 * Set up the fonts. First use a font specified with "-fn" or "-font". 645 */ 646 if (font_argument != NULL) 647 set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0); 648 if ( 649 #ifdef FEAT_XFONTSET 650 (*p_guifontset == NUL 651 || gui_init_font(p_guifontset, TRUE) == FAIL) && 652 #endif 653 gui_init_font(*p_guifont == NUL ? hl_get_font_name() 654 : p_guifont, FALSE) == FAIL) 655 { 656 EMSG(_("E665: Cannot start GUI, no valid font found")); 657 goto error2; 658 } 659 #ifdef FEAT_MBYTE 660 if (gui_get_wide_font() == FAIL) 661 EMSG(_("E231: 'guifontwide' invalid")); 662 #endif 663 664 gui.num_cols = Columns; 665 gui.num_rows = Rows; 666 gui_reset_scroll_region(); 667 668 /* Create initial scrollbars */ 669 FOR_ALL_WINDOWS(wp) 670 { 671 gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp); 672 gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp); 673 } 674 gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL); 675 676 #ifdef FEAT_MENU 677 gui_create_initial_menus(root_menu); 678 #endif 679 #ifdef FEAT_SUN_WORKSHOP 680 if (usingSunWorkShop) 681 workshop_init(); 682 #endif 683 #ifdef FEAT_SIGN_ICONS 684 sign_gui_started(); 685 #endif 686 687 /* Configure the desired menu and scrollbars */ 688 gui_init_which_components(NULL); 689 690 /* All components of the GUI have been created now */ 691 gui.shell_created = TRUE; 692 693 #ifndef FEAT_GUI_GTK 694 /* Set the shell size, adjusted for the screen size. For GTK this only 695 * works after the shell has been opened, thus it is further down. */ 696 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 697 #endif 698 #if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 699 /* Need to set the size of the menubar after all the menus have been 700 * created. */ 701 gui_mch_compute_menu_height((Widget)0); 702 #endif 703 704 /* 705 * Actually open the GUI shell. 706 */ 707 if (gui_mch_open() != FAIL) 708 { 709 #ifdef FEAT_TITLE 710 maketitle(); 711 resettitle(); 712 #endif 713 init_gui_options(); 714 #ifdef FEAT_ARABIC 715 /* Our GUI can't do bidi. */ 716 p_tbidi = FALSE; 717 #endif 718 #if defined(FEAT_GUI_GTK) 719 /* Give GTK+ a chance to put all widget's into place. */ 720 gui_mch_update(); 721 722 # ifdef FEAT_MENU 723 /* If there is no 'm' in 'guioptions' we need to remove the menu now. 724 * It was still there to make F10 work. */ 725 if (vim_strchr(p_go, GO_MENUS) == NULL) 726 { 727 --gui.starting; 728 gui_mch_enable_menu(FALSE); 729 ++gui.starting; 730 gui_mch_update(); 731 } 732 # endif 733 734 /* Now make sure the shell fits on the screen. */ 735 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 736 #endif 737 /* When 'lines' was set while starting up the topframe may have to be 738 * resized. */ 739 win_new_shellsize(); 740 741 #ifdef FEAT_BEVAL 742 /* Always create the Balloon Evaluation area, but disable it when 743 * 'ballooneval' is off */ 744 # ifdef FEAT_GUI_GTK 745 balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL, 746 &general_beval_cb, NULL); 747 # else 748 # if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) 749 { 750 extern Widget textArea; 751 balloonEval = gui_mch_create_beval_area(textArea, NULL, 752 &general_beval_cb, NULL); 753 } 754 # else 755 # ifdef FEAT_GUI_W32 756 balloonEval = gui_mch_create_beval_area(NULL, NULL, 757 &general_beval_cb, NULL); 758 # endif 759 # endif 760 # endif 761 if (!p_beval) 762 gui_mch_disable_beval_area(balloonEval); 763 #endif 764 765 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) 766 if (!im_xim_isvalid_imactivate()) 767 EMSG(_("E599: Value of 'imactivatekey' is invalid")); 768 #endif 769 /* When 'cmdheight' was set during startup it may not have taken 770 * effect yet. */ 771 if (p_ch != 1L) 772 command_height(); 773 774 return; 775 } 776 777 error2: 778 #ifdef FEAT_GUI_X11 779 /* undo gui_mch_init() */ 780 gui_mch_uninit(); 781 #endif 782 783 error: 784 gui.in_use = FALSE; 785 clip_init(FALSE); 786 } 787 788 789 void 790 gui_exit(int rc) 791 { 792 /* don't free the fonts, it leads to a BUS error 793 * [email protected] Jul 99 */ 794 free_highlight_fonts(); 795 gui.in_use = FALSE; 796 gui_mch_exit(rc); 797 } 798 799 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \ 800 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(PROTO) 801 # define NEED_GUI_UPDATE_SCREEN 1 802 /* 803 * Called when the GUI shell is closed by the user. If there are no changed 804 * files Vim exits, otherwise there will be a dialog to ask the user what to 805 * do. 806 * When this function returns, Vim should NOT exit! 807 */ 808 void 809 gui_shell_closed(void) 810 { 811 cmdmod_T save_cmdmod; 812 813 save_cmdmod = cmdmod; 814 815 /* Only exit when there are no changed files */ 816 exiting = TRUE; 817 # ifdef FEAT_BROWSE 818 cmdmod.browse = TRUE; 819 # endif 820 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 821 cmdmod.confirm = TRUE; 822 # endif 823 /* If there are changed buffers, present the user with a dialog if 824 * possible, otherwise give an error message. */ 825 if (!check_changed_any(FALSE, FALSE)) 826 getout(0); 827 828 exiting = FALSE; 829 cmdmod = save_cmdmod; 830 gui_update_screen(); /* redraw, window may show changed buffer */ 831 } 832 #endif 833 834 /* 835 * Set the font. "font_list" is a comma separated list of font names. The 836 * first font name that works is used. If none is found, use the default 837 * font. 838 * If "fontset" is TRUE, the "font_list" is used as one name for the fontset. 839 * Return OK when able to set the font. When it failed FAIL is returned and 840 * the fonts are unchanged. 841 */ 842 int 843 gui_init_font(char_u *font_list, int fontset UNUSED) 844 { 845 #define FONTLEN 320 846 char_u font_name[FONTLEN]; 847 int font_list_empty = FALSE; 848 int ret = FAIL; 849 850 if (!gui.in_use) 851 return FAIL; 852 853 font_name[0] = NUL; 854 if (*font_list == NUL) 855 font_list_empty = TRUE; 856 else 857 { 858 #ifdef FEAT_XFONTSET 859 /* When using a fontset, the whole list of fonts is one name. */ 860 if (fontset) 861 ret = gui_mch_init_font(font_list, TRUE); 862 else 863 #endif 864 while (*font_list != NUL) 865 { 866 /* Isolate one comma separated font name. */ 867 (void)copy_option_part(&font_list, font_name, FONTLEN, ","); 868 869 /* Careful!!! The Win32 version of gui_mch_init_font(), when 870 * called with "*" will change p_guifont to the selected font 871 * name, which frees the old value. This makes font_list 872 * invalid. Thus when OK is returned here, font_list must no 873 * longer be used! */ 874 if (gui_mch_init_font(font_name, FALSE) == OK) 875 { 876 #if defined(FEAT_MBYTE) && !defined(FEAT_GUI_GTK) 877 /* If it's a Unicode font, try setting 'guifontwide' to a 878 * similar double-width font. */ 879 if ((p_guifontwide == NULL || *p_guifontwide == NUL) 880 && strstr((char *)font_name, "10646") != NULL) 881 set_guifontwide(font_name); 882 #endif 883 ret = OK; 884 break; 885 } 886 } 887 } 888 889 if (ret != OK 890 && STRCMP(font_list, "*") != 0 891 && (font_list_empty || gui.norm_font == NOFONT)) 892 { 893 /* 894 * Couldn't load any font in 'font_list', keep the current font if 895 * there is one. If 'font_list' is empty, or if there is no current 896 * font, tell gui_mch_init_font() to try to find a font we can load. 897 */ 898 ret = gui_mch_init_font(NULL, FALSE); 899 } 900 901 if (ret == OK) 902 { 903 #ifndef FEAT_GUI_GTK 904 /* Set normal font as current font */ 905 # ifdef FEAT_XFONTSET 906 if (gui.fontset != NOFONTSET) 907 gui_mch_set_fontset(gui.fontset); 908 else 909 # endif 910 gui_mch_set_font(gui.norm_font); 911 #endif 912 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 913 } 914 915 return ret; 916 } 917 918 #if defined(FEAT_MBYTE) || defined(PROTO) 919 # ifndef FEAT_GUI_GTK 920 /* 921 * Try setting 'guifontwide' to a font twice as wide as "name". 922 */ 923 static void 924 set_guifontwide(char_u *name) 925 { 926 int i = 0; 927 char_u wide_name[FONTLEN + 10]; /* room for 2 * width and '*' */ 928 char_u *wp = NULL; 929 char_u *p; 930 GuiFont font; 931 932 wp = wide_name; 933 for (p = name; *p != NUL; ++p) 934 { 935 *wp++ = *p; 936 if (*p == '-') 937 { 938 ++i; 939 if (i == 6) /* font type: change "--" to "-*-" */ 940 { 941 if (p[1] == '-') 942 *wp++ = '*'; 943 } 944 else if (i == 12) /* found the width */ 945 { 946 ++p; 947 i = getdigits(&p); 948 if (i != 0) 949 { 950 /* Double the width specification. */ 951 sprintf((char *)wp, "%d%s", i * 2, p); 952 font = gui_mch_get_font(wide_name, FALSE); 953 if (font != NOFONT) 954 { 955 gui_mch_free_font(gui.wide_font); 956 gui.wide_font = font; 957 set_string_option_direct((char_u *)"gfw", -1, 958 wide_name, OPT_FREE, 0); 959 } 960 } 961 break; 962 } 963 } 964 } 965 } 966 # endif /* !FEAT_GUI_GTK */ 967 968 /* 969 * Get the font for 'guifontwide'. 970 * Return FAIL for an invalid font name. 971 */ 972 int 973 gui_get_wide_font(void) 974 { 975 GuiFont font = NOFONT; 976 char_u font_name[FONTLEN]; 977 char_u *p; 978 979 if (!gui.in_use) /* Can't allocate font yet, assume it's OK. */ 980 return OK; /* Will give an error message later. */ 981 982 if (p_guifontwide != NULL && *p_guifontwide != NUL) 983 { 984 for (p = p_guifontwide; *p != NUL; ) 985 { 986 /* Isolate one comma separated font name. */ 987 (void)copy_option_part(&p, font_name, FONTLEN, ","); 988 font = gui_mch_get_font(font_name, FALSE); 989 if (font != NOFONT) 990 break; 991 } 992 if (font == NOFONT) 993 return FAIL; 994 } 995 996 gui_mch_free_font(gui.wide_font); 997 # ifdef FEAT_GUI_GTK 998 /* Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. */ 999 if (font != NOFONT && gui.norm_font != NOFONT 1000 && pango_font_description_equal(font, gui.norm_font)) 1001 { 1002 gui.wide_font = NOFONT; 1003 gui_mch_free_font(font); 1004 } 1005 else 1006 # endif 1007 gui.wide_font = font; 1008 # ifdef FEAT_GUI_MSWIN 1009 gui_mch_wide_font_changed(); 1010 # else 1011 /* 1012 * TODO: setup wide_bold_font, wide_ital_font and wide_boldital_font to 1013 * support those fonts for 'guifontwide'. 1014 */ 1015 # endif 1016 return OK; 1017 } 1018 #endif 1019 1020 void 1021 gui_set_cursor(int row, int col) 1022 { 1023 gui.row = row; 1024 gui.col = col; 1025 } 1026 1027 /* 1028 * gui_check_pos - check if the cursor is on the screen. 1029 */ 1030 static void 1031 gui_check_pos(void) 1032 { 1033 if (gui.row >= screen_Rows) 1034 gui.row = screen_Rows - 1; 1035 if (gui.col >= screen_Columns) 1036 gui.col = screen_Columns - 1; 1037 if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns) 1038 gui.cursor_is_valid = FALSE; 1039 } 1040 1041 /* 1042 * Redraw the cursor if necessary or when forced. 1043 * Careful: The contents of ScreenLines[] must match what is on the screen, 1044 * otherwise this goes wrong. May need to call out_flush() first. 1045 */ 1046 void 1047 gui_update_cursor( 1048 int force, /* when TRUE, update even when not moved */ 1049 int clear_selection)/* clear selection under cursor */ 1050 { 1051 int cur_width = 0; 1052 int cur_height = 0; 1053 int old_hl_mask; 1054 cursorentry_T *shape; 1055 int id; 1056 #ifdef FEAT_TERMINAL 1057 guicolor_T shape_fg = INVALCOLOR; 1058 guicolor_T shape_bg = INVALCOLOR; 1059 #endif 1060 guicolor_T cfg, cbg, cc; /* cursor fore-/background color */ 1061 int cattr; /* cursor attributes */ 1062 int attr; 1063 attrentry_T *aep = NULL; 1064 1065 /* Don't update the cursor when halfway busy scrolling or the screen size 1066 * doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then. */ 1067 if (!can_update_cursor || screen_Columns != gui.num_cols 1068 || screen_Rows != gui.num_rows) 1069 return; 1070 1071 gui_check_pos(); 1072 if (!gui.cursor_is_valid || force 1073 || gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1074 { 1075 gui_undraw_cursor(); 1076 if (gui.row < 0) 1077 return; 1078 #ifdef USE_IM_CONTROL 1079 if (gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1080 im_set_position(gui.row, gui.col); 1081 #endif 1082 gui.cursor_row = gui.row; 1083 gui.cursor_col = gui.col; 1084 1085 /* Only write to the screen after ScreenLines[] has been initialized */ 1086 if (!screen_cleared || ScreenLines == NULL) 1087 return; 1088 1089 /* Clear the selection if we are about to write over it */ 1090 if (clear_selection) 1091 clip_may_clear_selection(gui.row, gui.row); 1092 /* Check that the cursor is inside the shell (resizing may have made 1093 * it invalid) */ 1094 if (gui.row >= screen_Rows || gui.col >= screen_Columns) 1095 return; 1096 1097 gui.cursor_is_valid = TRUE; 1098 1099 /* 1100 * How the cursor is drawn depends on the current mode. 1101 * When in a terminal window use the shape/color specified there. 1102 */ 1103 #ifdef FEAT_TERMINAL 1104 if (terminal_is_active()) 1105 shape = term_get_cursor_shape(&shape_fg, &shape_bg); 1106 else 1107 #endif 1108 shape = &shape_table[get_shape_idx(FALSE)]; 1109 if (State & LANGMAP) 1110 id = shape->id_lm; 1111 else 1112 id = shape->id; 1113 1114 /* get the colors and attributes for the cursor. Default is inverted */ 1115 cfg = INVALCOLOR; 1116 cbg = INVALCOLOR; 1117 cattr = HL_INVERSE; 1118 gui_mch_set_blinking(shape->blinkwait, 1119 shape->blinkon, 1120 shape->blinkoff); 1121 #ifdef FEAT_TERMINAL 1122 if (shape_bg != INVALCOLOR) 1123 { 1124 cattr = 0; 1125 cfg = shape_fg; 1126 cbg = shape_bg; 1127 } 1128 else 1129 #endif 1130 if (id > 0) 1131 { 1132 cattr = syn_id2colors(id, &cfg, &cbg); 1133 #if defined(USE_IM_CONTROL) || defined(FEAT_HANGULIN) 1134 { 1135 static int iid; 1136 guicolor_T fg, bg; 1137 1138 if ( 1139 # if defined(FEAT_GUI_GTK) && !defined(FEAT_HANGULIN) 1140 preedit_get_status() 1141 # else 1142 im_get_status() 1143 # endif 1144 ) 1145 { 1146 iid = syn_name2id((char_u *)"CursorIM"); 1147 if (iid > 0) 1148 { 1149 syn_id2colors(iid, &fg, &bg); 1150 if (bg != INVALCOLOR) 1151 cbg = bg; 1152 if (fg != INVALCOLOR) 1153 cfg = fg; 1154 } 1155 } 1156 } 1157 #endif 1158 } 1159 1160 /* 1161 * Get the attributes for the character under the cursor. 1162 * When no cursor color was given, use the character color. 1163 */ 1164 attr = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1165 if (attr > HL_ALL) 1166 aep = syn_gui_attr2entry(attr); 1167 if (aep != NULL) 1168 { 1169 attr = aep->ae_attr; 1170 if (cfg == INVALCOLOR) 1171 cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1172 : aep->ae_u.gui.fg_color); 1173 if (cbg == INVALCOLOR) 1174 cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1175 : aep->ae_u.gui.bg_color); 1176 } 1177 if (cfg == INVALCOLOR) 1178 cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel; 1179 if (cbg == INVALCOLOR) 1180 cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel; 1181 1182 #ifdef FEAT_XIM 1183 if (aep != NULL) 1184 { 1185 xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1186 : aep->ae_u.gui.bg_color); 1187 xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1188 : aep->ae_u.gui.fg_color); 1189 if (xim_bg_color == INVALCOLOR) 1190 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1191 : gui.back_pixel; 1192 if (xim_fg_color == INVALCOLOR) 1193 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1194 : gui.norm_pixel; 1195 } 1196 else 1197 { 1198 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1199 : gui.back_pixel; 1200 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1201 : gui.norm_pixel; 1202 } 1203 #endif 1204 1205 attr &= ~HL_INVERSE; 1206 if (cattr & HL_INVERSE) 1207 { 1208 cc = cbg; 1209 cbg = cfg; 1210 cfg = cc; 1211 } 1212 cattr &= ~HL_INVERSE; 1213 1214 /* 1215 * When we don't have window focus, draw a hollow cursor. 1216 */ 1217 if (!gui.in_focus) 1218 { 1219 gui_mch_draw_hollow_cursor(cbg); 1220 return; 1221 } 1222 1223 old_hl_mask = gui.highlight_mask; 1224 if (shape->shape == SHAPE_BLOCK 1225 #ifdef FEAT_HANGULIN 1226 || composing_hangul 1227 #endif 1228 ) 1229 { 1230 /* 1231 * Draw the text character with the cursor colors. Use the 1232 * character attributes plus the cursor attributes. 1233 */ 1234 gui.highlight_mask = (cattr | attr); 1235 #ifdef FEAT_HANGULIN 1236 if (composing_hangul) 1237 { 1238 char_u *comp_buf; 1239 int comp_len; 1240 1241 comp_buf = hangul_composing_buffer_get(&comp_len); 1242 if (comp_buf) 1243 { 1244 (void)gui_outstr_nowrap(comp_buf, comp_len, 1245 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, 1246 cfg, cbg, 0); 1247 vim_free(comp_buf); 1248 } 1249 } 1250 else 1251 #endif 1252 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1253 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0); 1254 } 1255 else 1256 { 1257 #if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT) 1258 int col_off = FALSE; 1259 #endif 1260 /* 1261 * First draw the partial cursor, then overwrite with the text 1262 * character, using a transparent background. 1263 */ 1264 if (shape->shape == SHAPE_VER) 1265 { 1266 cur_height = gui.char_height; 1267 cur_width = (gui.char_width * shape->percentage + 99) / 100; 1268 } 1269 else 1270 { 1271 cur_height = (gui.char_height * shape->percentage + 99) / 100; 1272 cur_width = gui.char_width; 1273 } 1274 #ifdef FEAT_MBYTE 1275 if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col, 1276 LineOffset[gui.row] + screen_Columns) > 1) 1277 { 1278 /* Double wide character. */ 1279 if (shape->shape != SHAPE_VER) 1280 cur_width += gui.char_width; 1281 # ifdef FEAT_RIGHTLEFT 1282 if (CURSOR_BAR_RIGHT) 1283 { 1284 /* gui.col points to the left halve of the character but 1285 * the vertical line needs to be on the right halve. 1286 * A double-wide horizontal line is also drawn from the 1287 * right halve in gui_mch_draw_part_cursor(). */ 1288 col_off = TRUE; 1289 ++gui.col; 1290 } 1291 # endif 1292 } 1293 #endif 1294 gui_mch_draw_part_cursor(cur_width, cur_height, cbg); 1295 #if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT) 1296 if (col_off) 1297 --gui.col; 1298 #endif 1299 1300 #ifndef FEAT_GUI_MSWIN /* doesn't seem to work for MSWindows */ 1301 gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1302 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1303 GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR, 1304 (guicolor_T)0, (guicolor_T)0, 0); 1305 #endif 1306 } 1307 gui.highlight_mask = old_hl_mask; 1308 } 1309 } 1310 1311 #if defined(FEAT_MENU) || defined(PROTO) 1312 void 1313 gui_position_menu(void) 1314 { 1315 # if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) 1316 if (gui.menu_is_active && gui.in_use) 1317 gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height); 1318 # endif 1319 } 1320 #endif 1321 1322 /* 1323 * Position the various GUI components (text area, menu). The vertical 1324 * scrollbars are NOT handled here. See gui_update_scrollbars(). 1325 */ 1326 static void 1327 gui_position_components(int total_width UNUSED) 1328 { 1329 int text_area_x; 1330 int text_area_y; 1331 int text_area_width; 1332 int text_area_height; 1333 1334 /* avoid that moving components around generates events */ 1335 ++hold_gui_events; 1336 1337 text_area_x = 0; 1338 if (gui.which_scrollbars[SBAR_LEFT]) 1339 text_area_x += gui.scrollbar_width; 1340 1341 text_area_y = 0; 1342 #if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON)) 1343 gui.menu_width = total_width; 1344 if (gui.menu_is_active) 1345 text_area_y += gui.menu_height; 1346 #endif 1347 #if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN) 1348 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1349 text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 1350 #endif 1351 1352 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1353 || defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MAC)) 1354 if (gui_has_tabline()) 1355 text_area_y += gui.tabline_height; 1356 #endif 1357 1358 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) 1359 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1360 { 1361 # ifdef FEAT_GUI_ATHENA 1362 gui_mch_set_toolbar_pos(0, text_area_y, 1363 gui.menu_width, gui.toolbar_height); 1364 # endif 1365 text_area_y += gui.toolbar_height; 1366 } 1367 #endif 1368 1369 text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2; 1370 text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2; 1371 1372 gui_mch_set_text_area_pos(text_area_x, 1373 text_area_y, 1374 text_area_width, 1375 text_area_height 1376 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1377 + xim_get_status_area_height() 1378 #endif 1379 ); 1380 #ifdef FEAT_MENU 1381 gui_position_menu(); 1382 #endif 1383 if (gui.which_scrollbars[SBAR_BOTTOM]) 1384 gui_mch_set_scrollbar_pos(&gui.bottom_sbar, 1385 text_area_x, 1386 text_area_y + text_area_height, 1387 text_area_width, 1388 gui.scrollbar_height); 1389 gui.left_sbar_x = 0; 1390 gui.right_sbar_x = text_area_x + text_area_width; 1391 1392 --hold_gui_events; 1393 } 1394 1395 /* 1396 * Get the width of the widgets and decorations to the side of the text area. 1397 */ 1398 int 1399 gui_get_base_width(void) 1400 { 1401 int base_width; 1402 1403 base_width = 2 * gui.border_offset; 1404 if (gui.which_scrollbars[SBAR_LEFT]) 1405 base_width += gui.scrollbar_width; 1406 if (gui.which_scrollbars[SBAR_RIGHT]) 1407 base_width += gui.scrollbar_width; 1408 return base_width; 1409 } 1410 1411 /* 1412 * Get the height of the widgets and decorations above and below the text area. 1413 */ 1414 int 1415 gui_get_base_height(void) 1416 { 1417 int base_height; 1418 1419 base_height = 2 * gui.border_offset; 1420 if (gui.which_scrollbars[SBAR_BOTTOM]) 1421 base_height += gui.scrollbar_height; 1422 #ifdef FEAT_GUI_GTK 1423 /* We can't take the sizes properly into account until anything is 1424 * realized. Therefore we recalculate all the values here just before 1425 * setting the size. (--mdcki) */ 1426 #else 1427 # ifdef FEAT_MENU 1428 if (gui.menu_is_active) 1429 base_height += gui.menu_height; 1430 # endif 1431 # ifdef FEAT_TOOLBAR 1432 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1433 # if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR) 1434 base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT); 1435 # else 1436 base_height += gui.toolbar_height; 1437 # endif 1438 # endif 1439 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1440 || defined(FEAT_GUI_MOTIF)) 1441 if (gui_has_tabline()) 1442 base_height += gui.tabline_height; 1443 # endif 1444 # ifdef FEAT_FOOTER 1445 if (vim_strchr(p_go, GO_FOOTER) != NULL) 1446 base_height += gui.footer_height; 1447 # endif 1448 # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 1449 base_height += gui_mch_text_area_extra_height(); 1450 # endif 1451 #endif 1452 return base_height; 1453 } 1454 1455 /* 1456 * Should be called after the GUI shell has been resized. Its arguments are 1457 * the new width and height of the shell in pixels. 1458 */ 1459 void 1460 gui_resize_shell(int pixel_width, int pixel_height) 1461 { 1462 static int busy = FALSE; 1463 1464 if (!gui.shell_created) /* ignore when still initializing */ 1465 return; 1466 1467 /* 1468 * Can't resize the screen while it is being redrawn. Remember the new 1469 * size and handle it later. 1470 */ 1471 if (updating_screen || busy) 1472 { 1473 new_pixel_width = pixel_width; 1474 new_pixel_height = pixel_height; 1475 return; 1476 } 1477 1478 again: 1479 new_pixel_width = 0; 1480 new_pixel_height = 0; 1481 busy = TRUE; 1482 1483 /* Flush pending output before redrawing */ 1484 out_flush(); 1485 1486 gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width; 1487 gui.num_rows = (pixel_height - gui_get_base_height()) / gui.char_height; 1488 1489 gui_position_components(pixel_width); 1490 gui_reset_scroll_region(); 1491 1492 /* 1493 * At the "more" and ":confirm" prompt there is no redraw, put the cursor 1494 * at the last line here (why does it have to be one row too low?). 1495 */ 1496 if (State == ASKMORE || State == CONFIRM) 1497 gui.row = gui.num_rows; 1498 1499 /* Only comparing Rows and Columns may be sufficient, but let's stay on 1500 * the safe side. */ 1501 if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns 1502 || gui.num_rows != Rows || gui.num_cols != Columns) 1503 shell_resized(); 1504 1505 gui_update_scrollbars(TRUE); 1506 gui_update_cursor(FALSE, TRUE); 1507 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1508 xim_set_status_area(); 1509 #endif 1510 1511 busy = FALSE; 1512 1513 /* We may have been called again while redrawing the screen. 1514 * Need to do it all again with the latest size then. But only if the size 1515 * actually changed. */ 1516 if (new_pixel_height) 1517 { 1518 if (pixel_width == new_pixel_width && pixel_height == new_pixel_height) 1519 { 1520 new_pixel_width = 0; 1521 new_pixel_height = 0; 1522 } 1523 else 1524 { 1525 pixel_width = new_pixel_width; 1526 pixel_height = new_pixel_height; 1527 goto again; 1528 } 1529 } 1530 } 1531 1532 /* 1533 * Check if gui_resize_shell() must be called. 1534 */ 1535 void 1536 gui_may_resize_shell(void) 1537 { 1538 if (new_pixel_height) 1539 /* careful: gui_resize_shell() may postpone the resize again if we 1540 * were called indirectly by it */ 1541 gui_resize_shell(new_pixel_width, new_pixel_height); 1542 } 1543 1544 int 1545 gui_get_shellsize(void) 1546 { 1547 Rows = gui.num_rows; 1548 Columns = gui.num_cols; 1549 return OK; 1550 } 1551 1552 /* 1553 * Set the size of the Vim shell according to Rows and Columns. 1554 * If "fit_to_display" is TRUE then the size may be reduced to fit the window 1555 * on the screen. 1556 */ 1557 void 1558 gui_set_shellsize( 1559 int mustset UNUSED, /* set by the user */ 1560 int fit_to_display, 1561 int direction) /* RESIZE_HOR, RESIZE_VER */ 1562 { 1563 int base_width; 1564 int base_height; 1565 int width; 1566 int height; 1567 int min_width; 1568 int min_height; 1569 int screen_w; 1570 int screen_h; 1571 #ifdef FEAT_GUI_GTK 1572 int un_maximize = mustset; 1573 int did_adjust = 0; 1574 #endif 1575 int x = -1, y = -1; 1576 1577 if (!gui.shell_created) 1578 return; 1579 1580 #if defined(MSWIN) || defined(FEAT_GUI_GTK) 1581 /* If not setting to a user specified size and maximized, calculate the 1582 * number of characters that fit in the maximized window. */ 1583 if (!mustset && gui_mch_maximized()) 1584 { 1585 gui_mch_newfont(); 1586 return; 1587 } 1588 #endif 1589 1590 base_width = gui_get_base_width(); 1591 base_height = gui_get_base_height(); 1592 if (fit_to_display) 1593 /* Remember the original window position. */ 1594 (void)gui_mch_get_winpos(&x, &y); 1595 1596 #ifdef USE_SUN_WORKSHOP 1597 if (!mustset && usingSunWorkShop 1598 && workshop_get_width_height(&width, &height)) 1599 { 1600 Columns = (width - base_width + gui.char_width - 1) / gui.char_width; 1601 Rows = (height - base_height + gui.char_height - 1) / gui.char_height; 1602 } 1603 else 1604 #endif 1605 { 1606 width = Columns * gui.char_width + base_width; 1607 height = Rows * gui.char_height + base_height; 1608 } 1609 1610 if (fit_to_display) 1611 { 1612 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1613 if ((direction & RESIZE_HOR) && width > screen_w) 1614 { 1615 Columns = (screen_w - base_width) / gui.char_width; 1616 if (Columns < MIN_COLUMNS) 1617 Columns = MIN_COLUMNS; 1618 width = Columns * gui.char_width + base_width; 1619 #ifdef FEAT_GUI_GTK 1620 ++did_adjust; 1621 #endif 1622 } 1623 if ((direction & RESIZE_VERT) && height > screen_h) 1624 { 1625 Rows = (screen_h - base_height) / gui.char_height; 1626 check_shellsize(); 1627 height = Rows * gui.char_height + base_height; 1628 #ifdef FEAT_GUI_GTK 1629 ++did_adjust; 1630 #endif 1631 } 1632 #ifdef FEAT_GUI_GTK 1633 if (did_adjust == 2 || (width + gui.char_width >= screen_w 1634 && height + gui.char_height >= screen_h)) 1635 /* don't unmaximize if at maximum size */ 1636 un_maximize = FALSE; 1637 #endif 1638 } 1639 limit_screen_size(); 1640 gui.num_cols = Columns; 1641 gui.num_rows = Rows; 1642 1643 min_width = base_width + MIN_COLUMNS * gui.char_width; 1644 min_height = base_height + MIN_LINES * gui.char_height; 1645 min_height += tabline_height() * gui.char_height; 1646 1647 #ifdef FEAT_GUI_GTK 1648 if (un_maximize) 1649 { 1650 /* If the window size is smaller than the screen unmaximize the 1651 * window, otherwise resizing won't work. */ 1652 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1653 if ((width + gui.char_width < screen_w 1654 || height + gui.char_height * 2 < screen_h) 1655 && gui_mch_maximized()) 1656 gui_mch_unmaximize(); 1657 } 1658 #endif 1659 1660 gui_mch_set_shellsize(width, height, min_width, min_height, 1661 base_width, base_height, direction); 1662 1663 if (fit_to_display && x >= 0 && y >= 0) 1664 { 1665 /* Some window managers put the Vim window left of/above the screen. 1666 * Only change the position if it wasn't already negative before 1667 * (happens on MS-Windows with a secondary monitor). */ 1668 gui_mch_update(); 1669 if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0)) 1670 gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y); 1671 } 1672 1673 gui_position_components(width); 1674 gui_update_scrollbars(TRUE); 1675 gui_reset_scroll_region(); 1676 } 1677 1678 /* 1679 * Called when Rows and/or Columns has changed. 1680 */ 1681 void 1682 gui_new_shellsize(void) 1683 { 1684 gui_reset_scroll_region(); 1685 } 1686 1687 /* 1688 * Make scroll region cover whole screen. 1689 */ 1690 void 1691 gui_reset_scroll_region(void) 1692 { 1693 gui.scroll_region_top = 0; 1694 gui.scroll_region_bot = gui.num_rows - 1; 1695 gui.scroll_region_left = 0; 1696 gui.scroll_region_right = gui.num_cols - 1; 1697 } 1698 1699 void 1700 gui_start_highlight(int mask) 1701 { 1702 if (mask > HL_ALL) /* highlight code */ 1703 gui.highlight_mask = mask; 1704 else /* mask */ 1705 gui.highlight_mask |= mask; 1706 } 1707 1708 void 1709 gui_stop_highlight(int mask) 1710 { 1711 if (mask > HL_ALL) /* highlight code */ 1712 gui.highlight_mask = HL_NORMAL; 1713 else /* mask */ 1714 gui.highlight_mask &= ~mask; 1715 } 1716 1717 /* 1718 * Clear a rectangular region of the screen from text pos (row1, col1) to 1719 * (row2, col2) inclusive. 1720 */ 1721 void 1722 gui_clear_block( 1723 int row1, 1724 int col1, 1725 int row2, 1726 int col2) 1727 { 1728 /* Clear the selection if we are about to write over it */ 1729 clip_may_clear_selection(row1, row2); 1730 1731 gui_mch_clear_block(row1, col1, row2, col2); 1732 1733 /* Invalidate cursor if it was in this block */ 1734 if ( gui.cursor_row >= row1 && gui.cursor_row <= row2 1735 && gui.cursor_col >= col1 && gui.cursor_col <= col2) 1736 gui.cursor_is_valid = FALSE; 1737 } 1738 1739 /* 1740 * Write code to update the cursor later. This avoids the need to flush the 1741 * output buffer before calling gui_update_cursor(). 1742 */ 1743 void 1744 gui_update_cursor_later(void) 1745 { 1746 OUT_STR(IF_EB("\033|s", ESC_STR "|s")); 1747 } 1748 1749 void 1750 gui_write( 1751 char_u *s, 1752 int len) 1753 { 1754 char_u *p; 1755 int arg1 = 0, arg2 = 0; 1756 int force_cursor = FALSE; /* force cursor update */ 1757 int force_scrollbar = FALSE; 1758 static win_T *old_curwin = NULL; 1759 1760 /* #define DEBUG_GUI_WRITE */ 1761 #ifdef DEBUG_GUI_WRITE 1762 { 1763 int i; 1764 char_u *str; 1765 1766 printf("gui_write(%d):\n ", len); 1767 for (i = 0; i < len; i++) 1768 if (s[i] == ESC) 1769 { 1770 if (i != 0) 1771 printf("\n "); 1772 printf("<ESC>"); 1773 } 1774 else 1775 { 1776 str = transchar_byte(s[i]); 1777 if (str[0] && str[1]) 1778 printf("<%s>", (char *)str); 1779 else 1780 printf("%s", (char *)str); 1781 } 1782 printf("\n"); 1783 } 1784 #endif 1785 while (len) 1786 { 1787 if (s[0] == ESC && s[1] == '|') 1788 { 1789 p = s + 2; 1790 if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(*(p + 1)))) 1791 { 1792 arg1 = getdigits(&p); 1793 if (p > s + len) 1794 break; 1795 if (*p == ';') 1796 { 1797 ++p; 1798 arg2 = getdigits(&p); 1799 if (p > s + len) 1800 break; 1801 } 1802 } 1803 switch (*p) 1804 { 1805 case 'C': /* Clear screen */ 1806 clip_scroll_selection(9999); 1807 gui_mch_clear_all(); 1808 gui.cursor_is_valid = FALSE; 1809 force_scrollbar = TRUE; 1810 break; 1811 case 'M': /* Move cursor */ 1812 gui_set_cursor(arg1, arg2); 1813 break; 1814 case 's': /* force cursor (shape) update */ 1815 force_cursor = TRUE; 1816 break; 1817 case 'R': /* Set scroll region */ 1818 if (arg1 < arg2) 1819 { 1820 gui.scroll_region_top = arg1; 1821 gui.scroll_region_bot = arg2; 1822 } 1823 else 1824 { 1825 gui.scroll_region_top = arg2; 1826 gui.scroll_region_bot = arg1; 1827 } 1828 break; 1829 case 'V': /* Set vertical scroll region */ 1830 if (arg1 < arg2) 1831 { 1832 gui.scroll_region_left = arg1; 1833 gui.scroll_region_right = arg2; 1834 } 1835 else 1836 { 1837 gui.scroll_region_left = arg2; 1838 gui.scroll_region_right = arg1; 1839 } 1840 break; 1841 case 'd': /* Delete line */ 1842 gui_delete_lines(gui.row, 1); 1843 break; 1844 case 'D': /* Delete lines */ 1845 gui_delete_lines(gui.row, arg1); 1846 break; 1847 case 'i': /* Insert line */ 1848 gui_insert_lines(gui.row, 1); 1849 break; 1850 case 'I': /* Insert lines */ 1851 gui_insert_lines(gui.row, arg1); 1852 break; 1853 case '$': /* Clear to end-of-line */ 1854 gui_clear_block(gui.row, gui.col, gui.row, 1855 (int)Columns - 1); 1856 break; 1857 case 'h': /* Turn on highlighting */ 1858 gui_start_highlight(arg1); 1859 break; 1860 case 'H': /* Turn off highlighting */ 1861 gui_stop_highlight(arg1); 1862 break; 1863 case 'f': /* flash the window (visual bell) */ 1864 gui_mch_flash(arg1 == 0 ? 20 : arg1); 1865 break; 1866 default: 1867 p = s + 1; /* Skip the ESC */ 1868 break; 1869 } 1870 len -= (int)(++p - s); 1871 s = p; 1872 } 1873 else if ( 1874 #ifdef EBCDIC 1875 CtrlChar(s[0]) != 0 /* Ctrl character */ 1876 #else 1877 s[0] < 0x20 /* Ctrl character */ 1878 #endif 1879 #ifdef FEAT_SIGN_ICONS 1880 && s[0] != SIGN_BYTE 1881 # ifdef FEAT_NETBEANS_INTG 1882 && s[0] != MULTISIGN_BYTE 1883 # endif 1884 #endif 1885 ) 1886 { 1887 if (s[0] == '\n') /* NL */ 1888 { 1889 gui.col = 0; 1890 if (gui.row < gui.scroll_region_bot) 1891 gui.row++; 1892 else 1893 gui_delete_lines(gui.scroll_region_top, 1); 1894 } 1895 else if (s[0] == '\r') /* CR */ 1896 { 1897 gui.col = 0; 1898 } 1899 else if (s[0] == '\b') /* Backspace */ 1900 { 1901 if (gui.col) 1902 --gui.col; 1903 } 1904 else if (s[0] == Ctrl_L) /* cursor-right */ 1905 { 1906 ++gui.col; 1907 } 1908 else if (s[0] == Ctrl_G) /* Beep */ 1909 { 1910 gui_mch_beep(); 1911 } 1912 /* Other Ctrl character: shouldn't happen! */ 1913 1914 --len; /* Skip this char */ 1915 ++s; 1916 } 1917 else 1918 { 1919 p = s; 1920 while (len > 0 && ( 1921 #ifdef EBCDIC 1922 CtrlChar(*p) == 0 1923 #else 1924 *p >= 0x20 1925 #endif 1926 #ifdef FEAT_SIGN_ICONS 1927 || *p == SIGN_BYTE 1928 # ifdef FEAT_NETBEANS_INTG 1929 || *p == MULTISIGN_BYTE 1930 # endif 1931 #endif 1932 )) 1933 { 1934 len--; 1935 p++; 1936 } 1937 gui_outstr(s, (int)(p - s)); 1938 s = p; 1939 } 1940 } 1941 1942 /* Postponed update of the cursor (won't work if "can_update_cursor" isn't 1943 * set). */ 1944 if (force_cursor) 1945 gui_update_cursor(TRUE, TRUE); 1946 1947 /* When switching to another window the dragging must have stopped. 1948 * Required for GTK, dragged_sb isn't reset. */ 1949 if (old_curwin != curwin) 1950 gui.dragged_sb = SBAR_NONE; 1951 1952 /* Update the scrollbars after clearing the screen or when switched 1953 * to another window. 1954 * Update the horizontal scrollbar always, it's difficult to check all 1955 * situations where it might change. */ 1956 if (force_scrollbar || old_curwin != curwin) 1957 gui_update_scrollbars(force_scrollbar); 1958 else 1959 gui_update_horiz_scrollbar(FALSE); 1960 old_curwin = curwin; 1961 1962 /* 1963 * We need to make sure this is cleared since Athena doesn't tell us when 1964 * he is done dragging. Do the same for GTK. 1965 */ 1966 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 1967 gui.dragged_sb = SBAR_NONE; 1968 #endif 1969 1970 gui_mch_flush(); /* In case vim decides to take a nap */ 1971 } 1972 1973 /* 1974 * When ScreenLines[] is invalid, updating the cursor should not be done, it 1975 * produces wrong results. Call gui_dont_update_cursor() before that code and 1976 * gui_can_update_cursor() afterwards. 1977 */ 1978 void 1979 gui_dont_update_cursor(int undraw) 1980 { 1981 if (gui.in_use) 1982 { 1983 /* Undraw the cursor now, we probably can't do it after the change. */ 1984 if (undraw) 1985 gui_undraw_cursor(); 1986 can_update_cursor = FALSE; 1987 } 1988 } 1989 1990 void 1991 gui_can_update_cursor(void) 1992 { 1993 can_update_cursor = TRUE; 1994 /* No need to update the cursor right now, there is always more output 1995 * after scrolling. */ 1996 } 1997 1998 static void 1999 gui_outstr(char_u *s, int len) 2000 { 2001 int this_len; 2002 #ifdef FEAT_MBYTE 2003 int cells; 2004 #endif 2005 2006 if (len == 0) 2007 return; 2008 2009 if (len < 0) 2010 len = (int)STRLEN(s); 2011 2012 while (len > 0) 2013 { 2014 #ifdef FEAT_MBYTE 2015 if (has_mbyte) 2016 { 2017 /* Find out how many chars fit in the current line. */ 2018 cells = 0; 2019 for (this_len = 0; this_len < len; ) 2020 { 2021 cells += (*mb_ptr2cells)(s + this_len); 2022 if (gui.col + cells > Columns) 2023 break; 2024 this_len += (*mb_ptr2len)(s + this_len); 2025 } 2026 if (this_len > len) 2027 this_len = len; /* don't include following composing char */ 2028 } 2029 else 2030 #endif 2031 if (gui.col + len > Columns) 2032 this_len = Columns - gui.col; 2033 else 2034 this_len = len; 2035 2036 (void)gui_outstr_nowrap(s, this_len, 2037 0, (guicolor_T)0, (guicolor_T)0, 0); 2038 s += this_len; 2039 len -= this_len; 2040 #ifdef FEAT_MBYTE 2041 /* fill up for a double-width char that doesn't fit. */ 2042 if (len > 0 && gui.col < Columns) 2043 (void)gui_outstr_nowrap((char_u *)" ", 1, 2044 0, (guicolor_T)0, (guicolor_T)0, 0); 2045 #endif 2046 /* The cursor may wrap to the next line. */ 2047 if (gui.col >= Columns) 2048 { 2049 gui.col = 0; 2050 gui.row++; 2051 } 2052 } 2053 } 2054 2055 /* 2056 * Output one character (may be one or two display cells). 2057 * Caller must check for valid "off". 2058 * Returns FAIL or OK, just like gui_outstr_nowrap(). 2059 */ 2060 static int 2061 gui_screenchar( 2062 int off, /* Offset from start of screen */ 2063 int flags, 2064 guicolor_T fg, /* colors for cursor */ 2065 guicolor_T bg, /* colors for cursor */ 2066 int back) /* backup this many chars when using bold trick */ 2067 { 2068 #ifdef FEAT_MBYTE 2069 char_u buf[MB_MAXBYTES + 1]; 2070 2071 /* Don't draw right halve of a double-width UTF-8 char. "cannot happen" */ 2072 if (enc_utf8 && ScreenLines[off] == 0) 2073 return OK; 2074 2075 if (enc_utf8 && ScreenLinesUC[off] != 0) 2076 /* Draw UTF-8 multi-byte character. */ 2077 return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf), 2078 flags, fg, bg, back); 2079 2080 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2081 { 2082 buf[0] = ScreenLines[off]; 2083 buf[1] = ScreenLines2[off]; 2084 return gui_outstr_nowrap(buf, 2, flags, fg, bg, back); 2085 } 2086 2087 /* Draw non-multi-byte character or DBCS character. */ 2088 return gui_outstr_nowrap(ScreenLines + off, 2089 enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1, 2090 flags, fg, bg, back); 2091 #else 2092 return gui_outstr_nowrap(ScreenLines + off, 1, flags, fg, bg, back); 2093 #endif 2094 } 2095 2096 #ifdef FEAT_GUI_GTK 2097 /* 2098 * Output the string at the given screen position. This is used in place 2099 * of gui_screenchar() where possible because Pango needs as much context 2100 * as possible to work nicely. It's a lot faster as well. 2101 */ 2102 static int 2103 gui_screenstr( 2104 int off, /* Offset from start of screen */ 2105 int len, /* string length in screen cells */ 2106 int flags, 2107 guicolor_T fg, /* colors for cursor */ 2108 guicolor_T bg, /* colors for cursor */ 2109 int back) /* backup this many chars when using bold trick */ 2110 { 2111 char_u *buf; 2112 int outlen = 0; 2113 int i; 2114 int retval; 2115 2116 if (len <= 0) /* "cannot happen"? */ 2117 return OK; 2118 2119 if (enc_utf8) 2120 { 2121 buf = alloc((unsigned)(len * MB_MAXBYTES + 1)); 2122 if (buf == NULL) 2123 return OK; /* not much we could do here... */ 2124 2125 for (i = off; i < off + len; ++i) 2126 { 2127 if (ScreenLines[i] == 0) 2128 continue; /* skip second half of double-width char */ 2129 2130 if (ScreenLinesUC[i] == 0) 2131 buf[outlen++] = ScreenLines[i]; 2132 else 2133 outlen += utfc_char2bytes(i, buf + outlen); 2134 } 2135 2136 buf[outlen] = NUL; /* only to aid debugging */ 2137 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2138 vim_free(buf); 2139 2140 return retval; 2141 } 2142 else if (enc_dbcs == DBCS_JPNU) 2143 { 2144 buf = alloc((unsigned)(len * 2 + 1)); 2145 if (buf == NULL) 2146 return OK; /* not much we could do here... */ 2147 2148 for (i = off; i < off + len; ++i) 2149 { 2150 buf[outlen++] = ScreenLines[i]; 2151 2152 /* handle double-byte single-width char */ 2153 if (ScreenLines[i] == 0x8e) 2154 buf[outlen++] = ScreenLines2[i]; 2155 else if (MB_BYTE2LEN(ScreenLines[i]) == 2) 2156 buf[outlen++] = ScreenLines[++i]; 2157 } 2158 2159 buf[outlen] = NUL; /* only to aid debugging */ 2160 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2161 vim_free(buf); 2162 2163 return retval; 2164 } 2165 else 2166 { 2167 return gui_outstr_nowrap(&ScreenLines[off], len, 2168 flags, fg, bg, back); 2169 } 2170 } 2171 #endif /* FEAT_GUI_GTK */ 2172 2173 /* 2174 * Output the given string at the current cursor position. If the string is 2175 * too long to fit on the line, then it is truncated. 2176 * "flags": 2177 * GUI_MON_IS_CURSOR should only be used when this function is being called to 2178 * actually draw (an inverted) cursor. 2179 * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparent 2180 * background. 2181 * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over 2182 * it. 2183 * Returns OK, unless "back" is non-zero and using the bold trick, then return 2184 * FAIL (the caller should start drawing "back" chars back). 2185 */ 2186 int 2187 gui_outstr_nowrap( 2188 char_u *s, 2189 int len, 2190 int flags, 2191 guicolor_T fg, /* colors for cursor */ 2192 guicolor_T bg, /* colors for cursor */ 2193 int back) /* backup this many chars when using bold trick */ 2194 { 2195 long_u highlight_mask; 2196 long_u hl_mask_todo; 2197 guicolor_T fg_color; 2198 guicolor_T bg_color; 2199 guicolor_T sp_color; 2200 #if !defined(FEAT_GUI_GTK) 2201 GuiFont font = NOFONT; 2202 # ifdef FEAT_MBYTE 2203 GuiFont wide_font = NOFONT; 2204 # endif 2205 # ifdef FEAT_XFONTSET 2206 GuiFontset fontset = NOFONTSET; 2207 # endif 2208 #endif 2209 attrentry_T *aep = NULL; 2210 int draw_flags; 2211 int col = gui.col; 2212 #ifdef FEAT_SIGN_ICONS 2213 int draw_sign = FALSE; 2214 # ifdef FEAT_NETBEANS_INTG 2215 int multi_sign = FALSE; 2216 # endif 2217 #endif 2218 2219 if (len < 0) 2220 len = (int)STRLEN(s); 2221 if (len == 0) 2222 return OK; 2223 2224 #ifdef FEAT_SIGN_ICONS 2225 if (*s == SIGN_BYTE 2226 # ifdef FEAT_NETBEANS_INTG 2227 || *s == MULTISIGN_BYTE 2228 # endif 2229 ) 2230 { 2231 # ifdef FEAT_NETBEANS_INTG 2232 if (*s == MULTISIGN_BYTE) 2233 multi_sign = TRUE; 2234 # endif 2235 /* draw spaces instead */ 2236 s = (char_u *)" "; 2237 if (len == 1 && col > 0) 2238 --col; 2239 len = 2; 2240 draw_sign = TRUE; 2241 highlight_mask = 0; 2242 } 2243 else 2244 #endif 2245 if (gui.highlight_mask > HL_ALL) 2246 { 2247 aep = syn_gui_attr2entry(gui.highlight_mask); 2248 if (aep == NULL) /* highlighting not set */ 2249 highlight_mask = 0; 2250 else 2251 highlight_mask = aep->ae_attr; 2252 } 2253 else 2254 highlight_mask = gui.highlight_mask; 2255 hl_mask_todo = highlight_mask; 2256 2257 #if !defined(FEAT_GUI_GTK) 2258 /* Set the font */ 2259 if (aep != NULL && aep->ae_u.gui.font != NOFONT) 2260 font = aep->ae_u.gui.font; 2261 # ifdef FEAT_XFONTSET 2262 else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET) 2263 fontset = aep->ae_u.gui.fontset; 2264 # endif 2265 else 2266 { 2267 # ifdef FEAT_XFONTSET 2268 if (gui.fontset != NOFONTSET) 2269 fontset = gui.fontset; 2270 else 2271 # endif 2272 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2273 { 2274 if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT) 2275 { 2276 font = gui.boldital_font; 2277 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC); 2278 } 2279 else if (gui.bold_font != NOFONT) 2280 { 2281 font = gui.bold_font; 2282 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT); 2283 } 2284 else 2285 font = gui.norm_font; 2286 } 2287 else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT) 2288 { 2289 font = gui.ital_font; 2290 hl_mask_todo &= ~HL_ITALIC; 2291 } 2292 else 2293 font = gui.norm_font; 2294 2295 # ifdef FEAT_MBYTE 2296 /* 2297 * Choose correct wide_font by font. wide_font should be set with font 2298 * at same time in above block. But it will make many "ifdef" nasty 2299 * blocks. So we do it here. 2300 */ 2301 if (font == gui.boldital_font && gui.wide_boldital_font) 2302 wide_font = gui.wide_boldital_font; 2303 else if (font == gui.bold_font && gui.wide_bold_font) 2304 wide_font = gui.wide_bold_font; 2305 else if (font == gui.ital_font && gui.wide_ital_font) 2306 wide_font = gui.wide_ital_font; 2307 else if (font == gui.norm_font && gui.wide_font) 2308 wide_font = gui.wide_font; 2309 # endif 2310 2311 } 2312 # ifdef FEAT_XFONTSET 2313 if (fontset != NOFONTSET) 2314 gui_mch_set_fontset(fontset); 2315 else 2316 # endif 2317 gui_mch_set_font(font); 2318 #endif 2319 2320 draw_flags = 0; 2321 2322 /* Set the color */ 2323 bg_color = gui.back_pixel; 2324 if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus) 2325 { 2326 draw_flags |= DRAW_CURSOR; 2327 fg_color = fg; 2328 bg_color = bg; 2329 sp_color = fg; 2330 } 2331 else if (aep != NULL) 2332 { 2333 fg_color = aep->ae_u.gui.fg_color; 2334 if (fg_color == INVALCOLOR) 2335 fg_color = gui.norm_pixel; 2336 bg_color = aep->ae_u.gui.bg_color; 2337 if (bg_color == INVALCOLOR) 2338 bg_color = gui.back_pixel; 2339 sp_color = aep->ae_u.gui.sp_color; 2340 if (sp_color == INVALCOLOR) 2341 sp_color = fg_color; 2342 } 2343 else 2344 { 2345 fg_color = gui.norm_pixel; 2346 sp_color = fg_color; 2347 } 2348 2349 if (highlight_mask & (HL_INVERSE | HL_STANDOUT)) 2350 { 2351 #if defined(AMIGA) 2352 gui_mch_set_colors(bg_color, fg_color); 2353 #else 2354 gui_mch_set_fg_color(bg_color); 2355 gui_mch_set_bg_color(fg_color); 2356 #endif 2357 } 2358 else 2359 { 2360 #if defined(AMIGA) 2361 gui_mch_set_colors(fg_color, bg_color); 2362 #else 2363 gui_mch_set_fg_color(fg_color); 2364 gui_mch_set_bg_color(bg_color); 2365 #endif 2366 } 2367 gui_mch_set_sp_color(sp_color); 2368 2369 /* Clear the selection if we are about to write over it */ 2370 if (!(flags & GUI_MON_NOCLEAR)) 2371 clip_may_clear_selection(gui.row, gui.row); 2372 2373 2374 /* If there's no bold font, then fake it */ 2375 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2376 draw_flags |= DRAW_BOLD; 2377 2378 /* 2379 * When drawing bold or italic characters the spill-over from the left 2380 * neighbor may be destroyed. Let the caller backup to start redrawing 2381 * just after a blank. 2382 */ 2383 if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC))) 2384 return FAIL; 2385 2386 #if defined(FEAT_GUI_GTK) 2387 /* If there's no italic font, then fake it. 2388 * For GTK2, we don't need a different font for italic style. */ 2389 if (hl_mask_todo & HL_ITALIC) 2390 draw_flags |= DRAW_ITALIC; 2391 2392 /* Do we underline the text? */ 2393 if (hl_mask_todo & HL_UNDERLINE) 2394 draw_flags |= DRAW_UNDERL; 2395 2396 #else 2397 /* Do we underline the text? */ 2398 if ((hl_mask_todo & HL_UNDERLINE) || (hl_mask_todo & HL_ITALIC)) 2399 draw_flags |= DRAW_UNDERL; 2400 #endif 2401 /* Do we undercurl the text? */ 2402 if (hl_mask_todo & HL_UNDERCURL) 2403 draw_flags |= DRAW_UNDERC; 2404 2405 /* Do we strikethrough the text? */ 2406 if (hl_mask_todo & HL_STRIKETHROUGH) 2407 draw_flags |= DRAW_STRIKE; 2408 2409 /* Do we draw transparently? */ 2410 if (flags & GUI_MON_TRS_CURSOR) 2411 draw_flags |= DRAW_TRANSP; 2412 2413 /* 2414 * Draw the text. 2415 */ 2416 #ifdef FEAT_GUI_GTK 2417 /* The value returned is the length in display cells */ 2418 len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags); 2419 #else 2420 # ifdef FEAT_MBYTE 2421 if (enc_utf8) 2422 { 2423 int start; /* index of bytes to be drawn */ 2424 int cells; /* cellwidth of bytes to be drawn */ 2425 int thislen; /* length of bytes to be drawn */ 2426 int cn; /* cellwidth of current char */ 2427 int i; /* index of current char */ 2428 int c; /* current char value */ 2429 int cl; /* byte length of current char */ 2430 int comping; /* current char is composing */ 2431 int scol = col; /* screen column */ 2432 int curr_wide = FALSE; /* use 'guifontwide' */ 2433 int prev_wide = FALSE; 2434 int wide_changed; 2435 # ifdef WIN3264 2436 int sep_comp = FALSE; /* Don't separate composing chars. */ 2437 # else 2438 int sep_comp = TRUE; /* Separate composing chars. */ 2439 # endif 2440 2441 /* Break the string at a composing character, it has to be drawn on 2442 * top of the previous character. */ 2443 start = 0; 2444 cells = 0; 2445 for (i = 0; i < len; i += cl) 2446 { 2447 c = utf_ptr2char(s + i); 2448 cn = utf_char2cells(c); 2449 comping = utf_iscomposing(c); 2450 if (!comping) /* count cells from non-composing chars */ 2451 cells += cn; 2452 if (!comping || sep_comp) 2453 { 2454 if (cn > 1 2455 # ifdef FEAT_XFONTSET 2456 && fontset == NOFONTSET 2457 # endif 2458 && wide_font != NOFONT) 2459 curr_wide = TRUE; 2460 else 2461 curr_wide = FALSE; 2462 } 2463 cl = utf_ptr2len(s + i); 2464 if (cl == 0) /* hit end of string */ 2465 len = i + cl; /* len must be wrong "cannot happen" */ 2466 2467 wide_changed = curr_wide != prev_wide; 2468 2469 /* Print the string so far if it's the last character or there is 2470 * a composing character. */ 2471 if (i + cl >= len || (comping && sep_comp && i > start) 2472 || wide_changed 2473 # if defined(FEAT_GUI_X11) 2474 || (cn > 1 2475 # ifdef FEAT_XFONTSET 2476 /* No fontset: At least draw char after wide char at 2477 * right position. */ 2478 && fontset == NOFONTSET 2479 # endif 2480 ) 2481 # endif 2482 ) 2483 { 2484 if ((comping && sep_comp) || wide_changed) 2485 thislen = i - start; 2486 else 2487 thislen = i - start + cl; 2488 if (thislen > 0) 2489 { 2490 if (prev_wide) 2491 gui_mch_set_font(wide_font); 2492 gui_mch_draw_string(gui.row, scol, s + start, thislen, 2493 draw_flags); 2494 if (prev_wide) 2495 gui_mch_set_font(font); 2496 start += thislen; 2497 } 2498 scol += cells; 2499 cells = 0; 2500 /* Adjust to not draw a character which width is changed 2501 * against with last one. */ 2502 if (wide_changed && !(comping && sep_comp)) 2503 { 2504 scol -= cn; 2505 cl = 0; 2506 } 2507 2508 # if defined(FEAT_GUI_X11) 2509 /* No fontset: draw a space to fill the gap after a wide char 2510 * */ 2511 if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0 2512 # ifdef FEAT_XFONTSET 2513 && fontset == NOFONTSET 2514 # endif 2515 && !wide_changed) 2516 gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ", 2517 1, draw_flags); 2518 # endif 2519 } 2520 /* Draw a composing char on top of the previous char. */ 2521 if (comping && sep_comp) 2522 { 2523 # if defined(__APPLE_CC__) && TARGET_API_MAC_CARBON 2524 /* Carbon ATSUI autodraws composing char over previous char */ 2525 gui_mch_draw_string(gui.row, scol, s + i, cl, 2526 draw_flags | DRAW_TRANSP); 2527 # else 2528 gui_mch_draw_string(gui.row, scol - cn, s + i, cl, 2529 draw_flags | DRAW_TRANSP); 2530 # endif 2531 start = i + cl; 2532 } 2533 prev_wide = curr_wide; 2534 } 2535 /* The stuff below assumes "len" is the length in screen columns. */ 2536 len = scol - col; 2537 } 2538 else 2539 # endif 2540 { 2541 gui_mch_draw_string(gui.row, col, s, len, draw_flags); 2542 # ifdef FEAT_MBYTE 2543 if (enc_dbcs == DBCS_JPNU) 2544 { 2545 /* Get the length in display cells, this can be different from the 2546 * number of bytes for "euc-jp". */ 2547 len = mb_string2cells(s, len); 2548 } 2549 # endif 2550 } 2551 #endif /* !FEAT_GUI_GTK */ 2552 2553 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2554 gui.col = col + len; 2555 2556 /* May need to invert it when it's part of the selection. */ 2557 if (flags & GUI_MON_NOCLEAR) 2558 clip_may_redraw_selection(gui.row, col, len); 2559 2560 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2561 { 2562 /* Invalidate the old physical cursor position if we wrote over it */ 2563 if (gui.cursor_row == gui.row 2564 && gui.cursor_col >= col 2565 && gui.cursor_col < col + len) 2566 gui.cursor_is_valid = FALSE; 2567 } 2568 2569 #ifdef FEAT_SIGN_ICONS 2570 if (draw_sign) 2571 /* Draw the sign on top of the spaces. */ 2572 gui_mch_drawsign(gui.row, col, gui.highlight_mask); 2573 # if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \ 2574 || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32)) 2575 if (multi_sign) 2576 netbeans_draw_multisign_indicator(gui.row); 2577 # endif 2578 #endif 2579 2580 return OK; 2581 } 2582 2583 /* 2584 * Un-draw the cursor. Actually this just redraws the character at the given 2585 * position. The character just before it too, for when it was in bold. 2586 */ 2587 void 2588 gui_undraw_cursor(void) 2589 { 2590 if (gui.cursor_is_valid) 2591 { 2592 #ifdef FEAT_HANGULIN 2593 if (composing_hangul 2594 && gui.col == gui.cursor_col && gui.row == gui.cursor_row) 2595 { 2596 char_u *comp_buf; 2597 int comp_len; 2598 2599 comp_buf = hangul_composing_buffer_get(&comp_len); 2600 if (comp_buf) 2601 { 2602 (void)gui_outstr_nowrap(comp_buf, comp_len, 2603 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, 2604 gui.norm_pixel, gui.back_pixel, 0); 2605 vim_free(comp_buf); 2606 } 2607 } 2608 else 2609 { 2610 #endif 2611 if (gui_redraw_block(gui.cursor_row, gui.cursor_col, 2612 gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR) 2613 && gui.cursor_col > 0) 2614 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col - 1, 2615 gui.cursor_row, gui.cursor_col - 1, GUI_MON_NOCLEAR); 2616 #ifdef FEAT_HANGULIN 2617 if (composing_hangul) 2618 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col + 1, 2619 gui.cursor_row, gui.cursor_col + 1, GUI_MON_NOCLEAR); 2620 } 2621 #endif 2622 /* Cursor_is_valid is reset when the cursor is undrawn, also reset it 2623 * here in case it wasn't needed to undraw it. */ 2624 gui.cursor_is_valid = FALSE; 2625 } 2626 } 2627 2628 void 2629 gui_redraw( 2630 int x, 2631 int y, 2632 int w, 2633 int h) 2634 { 2635 int row1, col1, row2, col2; 2636 2637 row1 = Y_2_ROW(y); 2638 col1 = X_2_COL(x); 2639 row2 = Y_2_ROW(y + h - 1); 2640 col2 = X_2_COL(x + w - 1); 2641 2642 (void)gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR); 2643 2644 /* 2645 * We may need to redraw the cursor, but don't take it upon us to change 2646 * its location after a scroll. 2647 * (maybe be more strict even and test col too?) 2648 * These things may be outside the update/clipping region and reality may 2649 * not reflect Vims internal ideas if these operations are clipped away. 2650 */ 2651 if (gui.row == gui.cursor_row) 2652 gui_update_cursor(TRUE, TRUE); 2653 } 2654 2655 /* 2656 * Draw a rectangular block of characters, from row1 to row2 (inclusive) and 2657 * from col1 to col2 (inclusive). 2658 * Return TRUE when the character before the first drawn character has 2659 * different attributes (may have to be redrawn too). 2660 */ 2661 int 2662 gui_redraw_block( 2663 int row1, 2664 int col1, 2665 int row2, 2666 int col2, 2667 int flags) /* flags for gui_outstr_nowrap() */ 2668 { 2669 int old_row, old_col; 2670 long_u old_hl_mask; 2671 int off; 2672 sattr_T first_attr; 2673 int idx, len; 2674 int back, nback; 2675 int retval = FALSE; 2676 #ifdef FEAT_MBYTE 2677 int orig_col1, orig_col2; 2678 #endif 2679 2680 /* Don't try to update when ScreenLines is not valid */ 2681 if (!screen_cleared || ScreenLines == NULL) 2682 return retval; 2683 2684 /* Don't try to draw outside the shell! */ 2685 /* Check everything, strange values may be caused by a big border width */ 2686 col1 = check_col(col1); 2687 col2 = check_col(col2); 2688 row1 = check_row(row1); 2689 row2 = check_row(row2); 2690 2691 /* Remember where our cursor was */ 2692 old_row = gui.row; 2693 old_col = gui.col; 2694 old_hl_mask = gui.highlight_mask; 2695 #ifdef FEAT_MBYTE 2696 orig_col1 = col1; 2697 orig_col2 = col2; 2698 #endif 2699 2700 for (gui.row = row1; gui.row <= row2; gui.row++) 2701 { 2702 #ifdef FEAT_MBYTE 2703 /* When only half of a double-wide character is in the block, include 2704 * the other half. */ 2705 col1 = orig_col1; 2706 col2 = orig_col2; 2707 off = LineOffset[gui.row]; 2708 if (enc_dbcs != 0) 2709 { 2710 if (col1 > 0) 2711 col1 -= dbcs_screen_head_off(ScreenLines + off, 2712 ScreenLines + off + col1); 2713 col2 += dbcs_screen_tail_off(ScreenLines + off, 2714 ScreenLines + off + col2); 2715 } 2716 else if (enc_utf8) 2717 { 2718 if (ScreenLines[off + col1] == 0) 2719 --col1; 2720 # ifdef FEAT_GUI_GTK 2721 if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) 2722 ++col2; 2723 # endif 2724 } 2725 #endif 2726 gui.col = col1; 2727 off = LineOffset[gui.row] + gui.col; 2728 len = col2 - col1 + 1; 2729 2730 /* Find how many chars back this highlighting starts, or where a space 2731 * is. Needed for when the bold trick is used */ 2732 for (back = 0; back < col1; ++back) 2733 if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off] 2734 || ScreenLines[off - 1 - back] == ' ') 2735 break; 2736 retval = (col1 > 0 && ScreenAttrs[off - 1] != 0 && back == 0 2737 && ScreenLines[off - 1] != ' '); 2738 2739 /* Break it up in strings of characters with the same attributes. */ 2740 /* Print UTF-8 characters individually. */ 2741 while (len > 0) 2742 { 2743 first_attr = ScreenAttrs[off]; 2744 gui.highlight_mask = first_attr; 2745 #if defined(FEAT_MBYTE) && !defined(FEAT_GUI_GTK) 2746 if (enc_utf8 && ScreenLinesUC[off] != 0) 2747 { 2748 /* output multi-byte character separately */ 2749 nback = gui_screenchar(off, flags, 2750 (guicolor_T)0, (guicolor_T)0, back); 2751 if (gui.col < Columns && ScreenLines[off + 1] == 0) 2752 idx = 2; 2753 else 2754 idx = 1; 2755 } 2756 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2757 { 2758 /* output double-byte, single-width character separately */ 2759 nback = gui_screenchar(off, flags, 2760 (guicolor_T)0, (guicolor_T)0, back); 2761 idx = 1; 2762 } 2763 else 2764 #endif 2765 { 2766 #ifdef FEAT_GUI_GTK 2767 for (idx = 0; idx < len; ++idx) 2768 { 2769 if (enc_utf8 && ScreenLines[off + idx] == 0) 2770 continue; /* skip second half of double-width char */ 2771 if (ScreenAttrs[off + idx] != first_attr) 2772 break; 2773 } 2774 /* gui_screenstr() takes care of multibyte chars */ 2775 nback = gui_screenstr(off, idx, flags, 2776 (guicolor_T)0, (guicolor_T)0, back); 2777 #else 2778 for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr; 2779 idx++) 2780 { 2781 # ifdef FEAT_MBYTE 2782 /* Stop at a multi-byte Unicode character. */ 2783 if (enc_utf8 && ScreenLinesUC[off + idx] != 0) 2784 break; 2785 if (enc_dbcs == DBCS_JPNU) 2786 { 2787 /* Stop at a double-byte single-width char. */ 2788 if (ScreenLines[off + idx] == 0x8e) 2789 break; 2790 if (len > 1 && (*mb_ptr2len)(ScreenLines 2791 + off + idx) == 2) 2792 ++idx; /* skip second byte of double-byte char */ 2793 } 2794 # endif 2795 } 2796 nback = gui_outstr_nowrap(ScreenLines + off, idx, flags, 2797 (guicolor_T)0, (guicolor_T)0, back); 2798 #endif 2799 } 2800 if (nback == FAIL) 2801 { 2802 /* Must back up to start drawing where a bold or italic word 2803 * starts. */ 2804 off -= back; 2805 len += back; 2806 gui.col -= back; 2807 } 2808 else 2809 { 2810 off += idx; 2811 len -= idx; 2812 } 2813 back = 0; 2814 } 2815 } 2816 2817 /* Put the cursor back where it was */ 2818 gui.row = old_row; 2819 gui.col = old_col; 2820 gui.highlight_mask = (int)old_hl_mask; 2821 2822 return retval; 2823 } 2824 2825 static void 2826 gui_delete_lines(int row, int count) 2827 { 2828 if (count <= 0) 2829 return; 2830 2831 if (row + count > gui.scroll_region_bot) 2832 /* Scrolled out of region, just blank the lines out */ 2833 gui_clear_block(row, gui.scroll_region_left, 2834 gui.scroll_region_bot, gui.scroll_region_right); 2835 else 2836 { 2837 gui_mch_delete_lines(row, count); 2838 2839 /* If the cursor was in the deleted lines it's now gone. If the 2840 * cursor was in the scrolled lines adjust its position. */ 2841 if (gui.cursor_row >= row 2842 && gui.cursor_col >= gui.scroll_region_left 2843 && gui.cursor_col <= gui.scroll_region_right) 2844 { 2845 if (gui.cursor_row < row + count) 2846 gui.cursor_is_valid = FALSE; 2847 else if (gui.cursor_row <= gui.scroll_region_bot) 2848 gui.cursor_row -= count; 2849 } 2850 } 2851 } 2852 2853 static void 2854 gui_insert_lines(int row, int count) 2855 { 2856 if (count <= 0) 2857 return; 2858 2859 if (row + count > gui.scroll_region_bot) 2860 /* Scrolled out of region, just blank the lines out */ 2861 gui_clear_block(row, gui.scroll_region_left, 2862 gui.scroll_region_bot, gui.scroll_region_right); 2863 else 2864 { 2865 gui_mch_insert_lines(row, count); 2866 2867 if (gui.cursor_row >= gui.row 2868 && gui.cursor_col >= gui.scroll_region_left 2869 && gui.cursor_col <= gui.scroll_region_right) 2870 { 2871 if (gui.cursor_row <= gui.scroll_region_bot - count) 2872 gui.cursor_row += count; 2873 else if (gui.cursor_row <= gui.scroll_region_bot) 2874 gui.cursor_is_valid = FALSE; 2875 } 2876 } 2877 } 2878 2879 /* 2880 * Returns OK if a character was found to be available within the given time, 2881 * or FAIL otherwise. 2882 */ 2883 static int 2884 gui_wait_for_chars_or_timer(long wtime) 2885 { 2886 #ifdef FEAT_TIMERS 2887 int due_time; 2888 long remaining = wtime; 2889 int tb_change_cnt = typebuf.tb_change_cnt; 2890 2891 /* When waiting very briefly don't trigger timers. */ 2892 if (wtime >= 0 && wtime < 10L) 2893 return gui_mch_wait_for_chars(wtime); 2894 2895 while (wtime < 0 || remaining > 0) 2896 { 2897 /* Trigger timers and then get the time in wtime until the next one is 2898 * due. Wait up to that time. */ 2899 due_time = check_due_timer(); 2900 if (typebuf.tb_change_cnt != tb_change_cnt) 2901 { 2902 /* timer may have used feedkeys() */ 2903 return FAIL; 2904 } 2905 if (due_time <= 0 || (wtime > 0 && due_time > remaining)) 2906 due_time = remaining; 2907 if (gui_mch_wait_for_chars(due_time)) 2908 return OK; 2909 if (wtime > 0) 2910 remaining -= due_time; 2911 } 2912 return FAIL; 2913 #else 2914 return gui_mch_wait_for_chars(wtime); 2915 #endif 2916 } 2917 2918 /* 2919 * The main GUI input routine. Waits for a character from the keyboard. 2920 * wtime == -1 Wait forever. 2921 * wtime == 0 Don't wait. 2922 * wtime > 0 Wait wtime milliseconds for a character. 2923 * Returns OK if a character was found to be available within the given time, 2924 * or FAIL otherwise. 2925 */ 2926 int 2927 gui_wait_for_chars(long wtime) 2928 { 2929 int retval; 2930 int tb_change_cnt = typebuf.tb_change_cnt; 2931 2932 #ifdef FEAT_MENU 2933 /* 2934 * If we're going to wait a bit, update the menus and mouse shape for the 2935 * current State. 2936 */ 2937 if (wtime != 0) 2938 gui_update_menus(0); 2939 #endif 2940 2941 gui_mch_update(); 2942 if (input_available()) /* Got char, return immediately */ 2943 return OK; 2944 if (wtime == 0) /* Don't wait for char */ 2945 return FAIL; 2946 2947 /* Before waiting, flush any output to the screen. */ 2948 gui_mch_flush(); 2949 2950 if (wtime > 0) 2951 { 2952 /* Blink when waiting for a character. Probably only does something 2953 * for showmatch() */ 2954 gui_mch_start_blink(); 2955 retval = gui_wait_for_chars_or_timer(wtime); 2956 gui_mch_stop_blink(); 2957 return retval; 2958 } 2959 2960 /* 2961 * While we are waiting indefinitely for a character, blink the cursor. 2962 */ 2963 gui_mch_start_blink(); 2964 2965 retval = FAIL; 2966 /* 2967 * We may want to trigger the CursorHold event. First wait for 2968 * 'updatetime' and if nothing is typed within that time put the 2969 * K_CURSORHOLD key in the input buffer. 2970 */ 2971 if (gui_wait_for_chars_or_timer(p_ut) == OK) 2972 retval = OK; 2973 #ifdef FEAT_AUTOCMD 2974 else if (trigger_cursorhold()) 2975 { 2976 char_u buf[3]; 2977 2978 /* Put K_CURSORHOLD in the input buffer. */ 2979 buf[0] = CSI; 2980 buf[1] = KS_EXTRA; 2981 buf[2] = (int)KE_CURSORHOLD; 2982 add_to_input_buf(buf, 3); 2983 2984 retval = OK; 2985 } 2986 #endif 2987 2988 if (retval == FAIL && typebuf.tb_change_cnt == tb_change_cnt) 2989 { 2990 /* Blocking wait. */ 2991 before_blocking(); 2992 retval = gui_wait_for_chars_or_timer(-1L); 2993 } 2994 2995 gui_mch_stop_blink(); 2996 return retval; 2997 } 2998 2999 /* 3000 * Fill p[4] with mouse coordinates encoded for check_termcode(). 3001 */ 3002 static void 3003 fill_mouse_coord(char_u *p, int col, int row) 3004 { 3005 p[0] = (char_u)(col / 128 + ' ' + 1); 3006 p[1] = (char_u)(col % 128 + ' ' + 1); 3007 p[2] = (char_u)(row / 128 + ' ' + 1); 3008 p[3] = (char_u)(row % 128 + ' ' + 1); 3009 } 3010 3011 /* 3012 * Generic mouse support function. Add a mouse event to the input buffer with 3013 * the given properties. 3014 * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT, 3015 * MOUSE_X1, MOUSE_X2 3016 * MOUSE_DRAG, or MOUSE_RELEASE. 3017 * MOUSE_4 and MOUSE_5 are used for vertical scroll wheel, 3018 * MOUSE_6 and MOUSE_7 for horizontal scroll wheel. 3019 * x, y --- Coordinates of mouse in pixels. 3020 * repeated_click --- TRUE if this click comes only a short time after a 3021 * previous click. 3022 * modifiers --- Bit field which may be any of the following modifiers 3023 * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT. 3024 * This function will ignore drag events where the mouse has not moved to a new 3025 * character. 3026 */ 3027 void 3028 gui_send_mouse_event( 3029 int button, 3030 int x, 3031 int y, 3032 int repeated_click, 3033 int_u modifiers) 3034 { 3035 static int prev_row = 0, prev_col = 0; 3036 static int prev_button = -1; 3037 static int num_clicks = 1; 3038 char_u string[10]; 3039 enum key_extra button_char; 3040 int row, col; 3041 #ifdef FEAT_CLIPBOARD 3042 int checkfor; 3043 int did_clip = FALSE; 3044 #endif 3045 3046 /* 3047 * Scrolling may happen at any time, also while a selection is present. 3048 */ 3049 switch (button) 3050 { 3051 case MOUSE_X1: 3052 button_char = KE_X1MOUSE; 3053 goto button_set; 3054 case MOUSE_X2: 3055 button_char = KE_X2MOUSE; 3056 goto button_set; 3057 case MOUSE_4: 3058 button_char = KE_MOUSEDOWN; 3059 goto button_set; 3060 case MOUSE_5: 3061 button_char = KE_MOUSEUP; 3062 goto button_set; 3063 case MOUSE_6: 3064 button_char = KE_MOUSELEFT; 3065 goto button_set; 3066 case MOUSE_7: 3067 button_char = KE_MOUSERIGHT; 3068 button_set: 3069 { 3070 /* Don't put events in the input queue now. */ 3071 if (hold_gui_events) 3072 return; 3073 3074 string[3] = CSI; 3075 string[4] = KS_EXTRA; 3076 string[5] = (int)button_char; 3077 3078 /* Pass the pointer coordinates of the scroll event so that we 3079 * know which window to scroll. */ 3080 row = gui_xy2colrow(x, y, &col); 3081 string[6] = (char_u)(col / 128 + ' ' + 1); 3082 string[7] = (char_u)(col % 128 + ' ' + 1); 3083 string[8] = (char_u)(row / 128 + ' ' + 1); 3084 string[9] = (char_u)(row % 128 + ' ' + 1); 3085 3086 if (modifiers == 0) 3087 add_to_input_buf(string + 3, 7); 3088 else 3089 { 3090 string[0] = CSI; 3091 string[1] = KS_MODIFIER; 3092 string[2] = 0; 3093 if (modifiers & MOUSE_SHIFT) 3094 string[2] |= MOD_MASK_SHIFT; 3095 if (modifiers & MOUSE_CTRL) 3096 string[2] |= MOD_MASK_CTRL; 3097 if (modifiers & MOUSE_ALT) 3098 string[2] |= MOD_MASK_ALT; 3099 add_to_input_buf(string, 10); 3100 } 3101 return; 3102 } 3103 } 3104 3105 #ifdef FEAT_CLIPBOARD 3106 /* If a clipboard selection is in progress, handle it */ 3107 if (clip_star.state == SELECT_IN_PROGRESS) 3108 { 3109 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click); 3110 return; 3111 } 3112 3113 /* Determine which mouse settings to look for based on the current mode */ 3114 switch (get_real_state()) 3115 { 3116 case NORMAL_BUSY: 3117 case OP_PENDING: 3118 case NORMAL: checkfor = MOUSE_NORMAL; break; 3119 case VISUAL: checkfor = MOUSE_VISUAL; break; 3120 case SELECTMODE: checkfor = MOUSE_VISUAL; break; 3121 case REPLACE: 3122 case REPLACE+LANGMAP: 3123 #ifdef FEAT_VREPLACE 3124 case VREPLACE: 3125 case VREPLACE+LANGMAP: 3126 #endif 3127 case INSERT: 3128 case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break; 3129 case ASKMORE: 3130 case HITRETURN: /* At the more- and hit-enter prompt pass the 3131 mouse event for a click on or below the 3132 message line. */ 3133 if (Y_2_ROW(y) >= msg_row) 3134 checkfor = MOUSE_NORMAL; 3135 else 3136 checkfor = MOUSE_RETURN; 3137 break; 3138 3139 /* 3140 * On the command line, use the clipboard selection on all lines 3141 * but the command line. But not when pasting. 3142 */ 3143 case CMDLINE: 3144 case CMDLINE+LANGMAP: 3145 if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE) 3146 checkfor = MOUSE_NONE; 3147 else 3148 checkfor = MOUSE_COMMAND; 3149 break; 3150 3151 default: 3152 checkfor = MOUSE_NONE; 3153 break; 3154 }; 3155 3156 /* 3157 * Allow clipboard selection of text on the command line in "normal" 3158 * modes. Don't do this when dragging the status line, or extending a 3159 * Visual selection. 3160 */ 3161 if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT)) 3162 && Y_2_ROW(y) >= topframe->fr_height + firstwin->w_winrow 3163 && button != MOUSE_DRAG 3164 # ifdef FEAT_MOUSESHAPE 3165 && !drag_status_line 3166 && !drag_sep_line 3167 # endif 3168 ) 3169 checkfor = MOUSE_NONE; 3170 3171 /* 3172 * Use modeless selection when holding CTRL and SHIFT pressed. 3173 */ 3174 if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT)) 3175 checkfor = MOUSE_NONEF; 3176 3177 /* 3178 * In Ex mode, always use modeless selection. 3179 */ 3180 if (exmode_active) 3181 checkfor = MOUSE_NONE; 3182 3183 /* 3184 * If the mouse settings say to not use the mouse, use the modeless 3185 * selection. But if Visual is active, assume that only the Visual area 3186 * will be selected. 3187 * Exception: On the command line, both the selection is used and a mouse 3188 * key is send. 3189 */ 3190 if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND) 3191 { 3192 /* Don't do modeless selection in Visual mode. */ 3193 if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL)) 3194 return; 3195 3196 /* 3197 * When 'mousemodel' is "popup", shift-left is translated to right. 3198 * But not when also using Ctrl. 3199 */ 3200 if (mouse_model_popup() && button == MOUSE_LEFT 3201 && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL)) 3202 { 3203 button = MOUSE_RIGHT; 3204 modifiers &= ~ MOUSE_SHIFT; 3205 } 3206 3207 /* If the selection is done, allow the right button to extend it. 3208 * If the selection is cleared, allow the right button to start it 3209 * from the cursor position. */ 3210 if (button == MOUSE_RIGHT) 3211 { 3212 if (clip_star.state == SELECT_CLEARED) 3213 { 3214 if (State & CMDLINE) 3215 { 3216 col = msg_col; 3217 row = msg_row; 3218 } 3219 else 3220 { 3221 col = curwin->w_wcol; 3222 row = curwin->w_wrow + W_WINROW(curwin); 3223 } 3224 clip_start_selection(col, row, FALSE); 3225 } 3226 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), 3227 repeated_click); 3228 did_clip = TRUE; 3229 } 3230 /* Allow the left button to start the selection */ 3231 else if (button == MOUSE_LEFT) 3232 { 3233 clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click); 3234 did_clip = TRUE; 3235 } 3236 3237 /* Always allow pasting */ 3238 if (button != MOUSE_MIDDLE) 3239 { 3240 if (!mouse_has(checkfor) || button == MOUSE_RELEASE) 3241 return; 3242 if (checkfor != MOUSE_COMMAND) 3243 button = MOUSE_LEFT; 3244 } 3245 repeated_click = FALSE; 3246 } 3247 3248 if (clip_star.state != SELECT_CLEARED && !did_clip) 3249 clip_clear_selection(&clip_star); 3250 #endif 3251 3252 /* Don't put events in the input queue now. */ 3253 if (hold_gui_events) 3254 return; 3255 3256 row = gui_xy2colrow(x, y, &col); 3257 3258 /* 3259 * If we are dragging and the mouse hasn't moved far enough to be on a 3260 * different character, then don't send an event to vim. 3261 */ 3262 if (button == MOUSE_DRAG) 3263 { 3264 if (row == prev_row && col == prev_col) 3265 return; 3266 /* Dragging above the window, set "row" to -1 to cause a scroll. */ 3267 if (y < 0) 3268 row = -1; 3269 } 3270 3271 /* 3272 * If topline has changed (window scrolled) since the last click, reset 3273 * repeated_click, because we don't want starting Visual mode when 3274 * clicking on a different character in the text. 3275 */ 3276 if (curwin->w_topline != gui_prev_topline 3277 #ifdef FEAT_DIFF 3278 || curwin->w_topfill != gui_prev_topfill 3279 #endif 3280 ) 3281 repeated_click = FALSE; 3282 3283 string[0] = CSI; /* this sequence is recognized by check_termcode() */ 3284 string[1] = KS_MOUSE; 3285 string[2] = KE_FILLER; 3286 if (button != MOUSE_DRAG && button != MOUSE_RELEASE) 3287 { 3288 if (repeated_click) 3289 { 3290 /* 3291 * Handle multiple clicks. They only count if the mouse is still 3292 * pointing at the same character. 3293 */ 3294 if (button != prev_button || row != prev_row || col != prev_col) 3295 num_clicks = 1; 3296 else if (++num_clicks > 4) 3297 num_clicks = 1; 3298 } 3299 else 3300 num_clicks = 1; 3301 prev_button = button; 3302 gui_prev_topline = curwin->w_topline; 3303 #ifdef FEAT_DIFF 3304 gui_prev_topfill = curwin->w_topfill; 3305 #endif 3306 3307 string[3] = (char_u)(button | 0x20); 3308 SET_NUM_MOUSE_CLICKS(string[3], num_clicks); 3309 } 3310 else 3311 string[3] = (char_u)button; 3312 3313 string[3] |= modifiers; 3314 fill_mouse_coord(string + 4, col, row); 3315 add_to_input_buf(string, 8); 3316 3317 if (row < 0) 3318 prev_row = 0; 3319 else 3320 prev_row = row; 3321 prev_col = col; 3322 3323 /* 3324 * We need to make sure this is cleared since Athena doesn't tell us when 3325 * he is done dragging. Neither does GTK+ 2 -- at least for now. 3326 */ 3327 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 3328 gui.dragged_sb = SBAR_NONE; 3329 #endif 3330 } 3331 3332 /* 3333 * Convert x and y coordinate to column and row in text window. 3334 * Corrects for multi-byte character. 3335 * returns column in "*colp" and row as return value; 3336 */ 3337 int 3338 gui_xy2colrow(int x, int y, int *colp) 3339 { 3340 int col = check_col(X_2_COL(x)); 3341 int row = check_row(Y_2_ROW(y)); 3342 3343 #ifdef FEAT_MBYTE 3344 *colp = mb_fix_col(col, row); 3345 #else 3346 *colp = col; 3347 #endif 3348 return row; 3349 } 3350 3351 #if defined(FEAT_MENU) || defined(PROTO) 3352 /* 3353 * Callback function for when a menu entry has been selected. 3354 */ 3355 void 3356 gui_menu_cb(vimmenu_T *menu) 3357 { 3358 char_u bytes[sizeof(long_u)]; 3359 3360 /* Don't put events in the input queue now. */ 3361 if (hold_gui_events) 3362 return; 3363 3364 bytes[0] = CSI; 3365 bytes[1] = KS_MENU; 3366 bytes[2] = KE_FILLER; 3367 add_to_input_buf(bytes, 3); 3368 add_long_to_buf((long_u)menu, bytes); 3369 add_to_input_buf_csi(bytes, sizeof(long_u)); 3370 } 3371 #endif 3372 3373 static int prev_which_scrollbars[3]; 3374 3375 /* 3376 * Set which components are present. 3377 * If "oldval" is not NULL, "oldval" is the previous value, the new value is 3378 * in p_go. 3379 */ 3380 void 3381 gui_init_which_components(char_u *oldval UNUSED) 3382 { 3383 #ifdef FEAT_MENU 3384 static int prev_menu_is_active = -1; 3385 #endif 3386 #ifdef FEAT_TOOLBAR 3387 static int prev_toolbar = -1; 3388 int using_toolbar = FALSE; 3389 #endif 3390 #ifdef FEAT_GUI_TABLINE 3391 int using_tabline; 3392 #endif 3393 #ifdef FEAT_FOOTER 3394 static int prev_footer = -1; 3395 int using_footer = FALSE; 3396 #endif 3397 #if defined(FEAT_MENU) 3398 static int prev_tearoff = -1; 3399 int using_tearoff = FALSE; 3400 #endif 3401 3402 char_u *p; 3403 int i; 3404 #ifdef FEAT_MENU 3405 int grey_old, grey_new; 3406 char_u *temp; 3407 #endif 3408 win_T *wp; 3409 int need_set_size; 3410 int fix_size; 3411 3412 #ifdef FEAT_MENU 3413 if (oldval != NULL && gui.in_use) 3414 { 3415 /* 3416 * Check if the menu's go from grey to non-grey or vise versa. 3417 */ 3418 grey_old = (vim_strchr(oldval, GO_GREY) != NULL); 3419 grey_new = (vim_strchr(p_go, GO_GREY) != NULL); 3420 if (grey_old != grey_new) 3421 { 3422 temp = p_go; 3423 p_go = oldval; 3424 gui_update_menus(MENU_ALL_MODES); 3425 p_go = temp; 3426 } 3427 } 3428 gui.menu_is_active = FALSE; 3429 #endif 3430 3431 for (i = 0; i < 3; i++) 3432 gui.which_scrollbars[i] = FALSE; 3433 for (p = p_go; *p; p++) 3434 switch (*p) 3435 { 3436 case GO_LEFT: 3437 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3438 break; 3439 case GO_RIGHT: 3440 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3441 break; 3442 case GO_VLEFT: 3443 if (win_hasvertsplit()) 3444 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3445 break; 3446 case GO_VRIGHT: 3447 if (win_hasvertsplit()) 3448 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3449 break; 3450 case GO_BOT: 3451 gui.which_scrollbars[SBAR_BOTTOM] = TRUE; 3452 break; 3453 #ifdef FEAT_MENU 3454 case GO_MENUS: 3455 gui.menu_is_active = TRUE; 3456 break; 3457 #endif 3458 case GO_GREY: 3459 /* make menu's have grey items, ignored here */ 3460 break; 3461 #ifdef FEAT_TOOLBAR 3462 case GO_TOOLBAR: 3463 using_toolbar = TRUE; 3464 break; 3465 #endif 3466 #ifdef FEAT_FOOTER 3467 case GO_FOOTER: 3468 using_footer = TRUE; 3469 break; 3470 #endif 3471 case GO_TEAROFF: 3472 #if defined(FEAT_MENU) 3473 using_tearoff = TRUE; 3474 #endif 3475 break; 3476 default: 3477 /* Ignore options that are not supported */ 3478 break; 3479 } 3480 3481 if (gui.in_use) 3482 { 3483 need_set_size = 0; 3484 fix_size = FALSE; 3485 3486 #ifdef FEAT_GUI_TABLINE 3487 /* Update the GUI tab line, it may appear or disappear. This may 3488 * cause the non-GUI tab line to disappear or appear. */ 3489 using_tabline = gui_has_tabline(); 3490 if (!gui_mch_showing_tabline() != !using_tabline) 3491 { 3492 /* We don't want a resize event change "Rows" here, save and 3493 * restore it. Resizing is handled below. */ 3494 i = Rows; 3495 gui_update_tabline(); 3496 Rows = i; 3497 need_set_size |= RESIZE_VERT; 3498 if (using_tabline) 3499 fix_size = TRUE; 3500 if (!gui_use_tabline()) 3501 redraw_tabline = TRUE; /* may draw non-GUI tab line */ 3502 } 3503 #endif 3504 3505 for (i = 0; i < 3; i++) 3506 { 3507 /* The scrollbar needs to be updated when it is shown/unshown and 3508 * when switching tab pages. But the size only changes when it's 3509 * shown/unshown. Thus we need two places to remember whether a 3510 * scrollbar is there or not. */ 3511 if (gui.which_scrollbars[i] != prev_which_scrollbars[i] 3512 || gui.which_scrollbars[i] 3513 != curtab->tp_prev_which_scrollbars[i]) 3514 { 3515 if (i == SBAR_BOTTOM) 3516 gui_mch_enable_scrollbar(&gui.bottom_sbar, 3517 gui.which_scrollbars[i]); 3518 else 3519 { 3520 FOR_ALL_WINDOWS(wp) 3521 { 3522 gui_do_scrollbar(wp, i, gui.which_scrollbars[i]); 3523 } 3524 } 3525 if (gui.which_scrollbars[i] != prev_which_scrollbars[i]) 3526 { 3527 if (i == SBAR_BOTTOM) 3528 need_set_size |= RESIZE_VERT; 3529 else 3530 need_set_size |= RESIZE_HOR; 3531 if (gui.which_scrollbars[i]) 3532 fix_size = TRUE; 3533 } 3534 } 3535 curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3536 prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3537 } 3538 3539 #ifdef FEAT_MENU 3540 if (gui.menu_is_active != prev_menu_is_active) 3541 { 3542 /* We don't want a resize event change "Rows" here, save and 3543 * restore it. Resizing is handled below. */ 3544 i = Rows; 3545 gui_mch_enable_menu(gui.menu_is_active); 3546 Rows = i; 3547 prev_menu_is_active = gui.menu_is_active; 3548 need_set_size |= RESIZE_VERT; 3549 if (gui.menu_is_active) 3550 fix_size = TRUE; 3551 } 3552 #endif 3553 3554 #ifdef FEAT_TOOLBAR 3555 if (using_toolbar != prev_toolbar) 3556 { 3557 gui_mch_show_toolbar(using_toolbar); 3558 prev_toolbar = using_toolbar; 3559 need_set_size |= RESIZE_VERT; 3560 if (using_toolbar) 3561 fix_size = TRUE; 3562 } 3563 #endif 3564 #ifdef FEAT_FOOTER 3565 if (using_footer != prev_footer) 3566 { 3567 gui_mch_enable_footer(using_footer); 3568 prev_footer = using_footer; 3569 need_set_size |= RESIZE_VERT; 3570 if (using_footer) 3571 fix_size = TRUE; 3572 } 3573 #endif 3574 #if defined(FEAT_MENU) && !(defined(WIN3264) && !defined(FEAT_TEAROFF)) 3575 if (using_tearoff != prev_tearoff) 3576 { 3577 gui_mch_toggle_tearoffs(using_tearoff); 3578 prev_tearoff = using_tearoff; 3579 } 3580 #endif 3581 if (need_set_size != 0) 3582 { 3583 #ifdef FEAT_GUI_GTK 3584 long prev_Columns = Columns; 3585 long prev_Rows = Rows; 3586 #endif 3587 /* Adjust the size of the window to make the text area keep the 3588 * same size and to avoid that part of our window is off-screen 3589 * and a scrollbar can't be used, for example. */ 3590 gui_set_shellsize(FALSE, fix_size, need_set_size); 3591 3592 #ifdef FEAT_GUI_GTK 3593 /* GTK has the annoying habit of sending us resize events when 3594 * changing the window size ourselves. This mostly happens when 3595 * waiting for a character to arrive, quite unpredictably, and may 3596 * change Columns and Rows when we don't want it. Wait for a 3597 * character here to avoid this effect. 3598 * If you remove this, please test this command for resizing 3599 * effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q". 3600 * Don't do this while starting up though. 3601 * Don't change Rows when adding menu/toolbar/tabline. 3602 * Don't change Columns when adding vertical toolbar. */ 3603 if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR)) 3604 (void)char_avail(); 3605 if ((need_set_size & RESIZE_VERT) == 0) 3606 Rows = prev_Rows; 3607 if ((need_set_size & RESIZE_HOR) == 0) 3608 Columns = prev_Columns; 3609 #endif 3610 } 3611 /* When the console tabline appears or disappears the window positions 3612 * change. */ 3613 if (firstwin->w_winrow != tabline_height()) 3614 shell_new_rows(); /* recompute window positions and heights */ 3615 } 3616 } 3617 3618 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 3619 /* 3620 * Return TRUE if the GUI is taking care of the tabline. 3621 * It may still be hidden if 'showtabline' is zero. 3622 */ 3623 int 3624 gui_use_tabline(void) 3625 { 3626 return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL; 3627 } 3628 3629 /* 3630 * Return TRUE if the GUI is showing the tabline. 3631 * This uses 'showtabline'. 3632 */ 3633 static int 3634 gui_has_tabline(void) 3635 { 3636 if (!gui_use_tabline() 3637 || p_stal == 0 3638 || (p_stal == 1 && first_tabpage->tp_next == NULL)) 3639 return FALSE; 3640 return TRUE; 3641 } 3642 3643 /* 3644 * Update the tabline. 3645 * This may display/undisplay the tabline and update the labels. 3646 */ 3647 void 3648 gui_update_tabline(void) 3649 { 3650 int showit = gui_has_tabline(); 3651 int shown = gui_mch_showing_tabline(); 3652 3653 if (!gui.starting && starting == 0) 3654 { 3655 /* Updating the tabline uses direct GUI commands, flush 3656 * outstanding instructions first. (esp. clear screen) */ 3657 out_flush(); 3658 gui_mch_flush(); 3659 3660 if (!showit != !shown) 3661 gui_mch_show_tabline(showit); 3662 if (showit != 0) 3663 gui_mch_update_tabline(); 3664 3665 /* When the tabs change from hidden to shown or from shown to 3666 * hidden the size of the text area should remain the same. */ 3667 if (!showit != !shown) 3668 gui_set_shellsize(FALSE, showit, RESIZE_VERT); 3669 } 3670 } 3671 3672 /* 3673 * Get the label or tooltip for tab page "tp" into NameBuff[]. 3674 */ 3675 void 3676 get_tabline_label( 3677 tabpage_T *tp, 3678 int tooltip) /* TRUE: get tooltip */ 3679 { 3680 int modified = FALSE; 3681 char_u buf[40]; 3682 int wincount; 3683 win_T *wp; 3684 char_u **opt; 3685 3686 /* Use 'guitablabel' or 'guitabtooltip' if it's set. */ 3687 opt = (tooltip ? &p_gtt : &p_gtl); 3688 if (**opt != NUL) 3689 { 3690 int use_sandbox = FALSE; 3691 int save_called_emsg = called_emsg; 3692 char_u res[MAXPATHL]; 3693 tabpage_T *save_curtab; 3694 char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip" 3695 : "guitablabel"); 3696 3697 called_emsg = FALSE; 3698 3699 printer_page_num = tabpage_index(tp); 3700 # ifdef FEAT_EVAL 3701 set_vim_var_nr(VV_LNUM, printer_page_num); 3702 use_sandbox = was_set_insecurely(opt_name, 0); 3703 # endif 3704 /* It's almost as going to the tabpage, but without autocommands. */ 3705 curtab->tp_firstwin = firstwin; 3706 curtab->tp_lastwin = lastwin; 3707 curtab->tp_curwin = curwin; 3708 save_curtab = curtab; 3709 curtab = tp; 3710 topframe = curtab->tp_topframe; 3711 firstwin = curtab->tp_firstwin; 3712 lastwin = curtab->tp_lastwin; 3713 curwin = curtab->tp_curwin; 3714 curbuf = curwin->w_buffer; 3715 3716 /* Can't use NameBuff directly, build_stl_str_hl() uses it. */ 3717 build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox, 3718 0, (int)Columns, NULL, NULL); 3719 STRCPY(NameBuff, res); 3720 3721 /* Back to the original curtab. */ 3722 curtab = save_curtab; 3723 topframe = curtab->tp_topframe; 3724 firstwin = curtab->tp_firstwin; 3725 lastwin = curtab->tp_lastwin; 3726 curwin = curtab->tp_curwin; 3727 curbuf = curwin->w_buffer; 3728 3729 if (called_emsg) 3730 set_string_option_direct(opt_name, -1, 3731 (char_u *)"", OPT_FREE, SID_ERROR); 3732 called_emsg |= save_called_emsg; 3733 } 3734 3735 /* If 'guitablabel'/'guitabtooltip' is not set or the result is empty then 3736 * use a default label. */ 3737 if (**opt == NUL || *NameBuff == NUL) 3738 { 3739 /* Get the buffer name into NameBuff[] and shorten it. */ 3740 get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer); 3741 if (!tooltip) 3742 shorten_dir(NameBuff); 3743 3744 wp = (tp == curtab) ? firstwin : tp->tp_firstwin; 3745 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount) 3746 if (bufIsChanged(wp->w_buffer)) 3747 modified = TRUE; 3748 if (modified || wincount > 1) 3749 { 3750 if (wincount > 1) 3751 vim_snprintf((char *)buf, sizeof(buf), "%d", wincount); 3752 else 3753 buf[0] = NUL; 3754 if (modified) 3755 STRCAT(buf, "+"); 3756 STRCAT(buf, " "); 3757 STRMOVE(NameBuff + STRLEN(buf), NameBuff); 3758 mch_memmove(NameBuff, buf, STRLEN(buf)); 3759 } 3760 } 3761 } 3762 3763 /* 3764 * Send the event for clicking to select tab page "nr". 3765 * Returns TRUE if it was done, FALSE when skipped because we are already at 3766 * that tab page or the cmdline window is open. 3767 */ 3768 int 3769 send_tabline_event(int nr) 3770 { 3771 char_u string[3]; 3772 3773 if (nr == tabpage_index(curtab)) 3774 return FALSE; 3775 3776 /* Don't put events in the input queue now. */ 3777 if (hold_gui_events 3778 # ifdef FEAT_CMDWIN 3779 || cmdwin_type != 0 3780 # endif 3781 ) 3782 { 3783 /* Set it back to the current tab page. */ 3784 gui_mch_set_curtab(tabpage_index(curtab)); 3785 return FALSE; 3786 } 3787 3788 string[0] = CSI; 3789 string[1] = KS_TABLINE; 3790 string[2] = KE_FILLER; 3791 add_to_input_buf(string, 3); 3792 string[0] = nr; 3793 add_to_input_buf_csi(string, 1); 3794 return TRUE; 3795 } 3796 3797 /* 3798 * Send a tabline menu event 3799 */ 3800 void 3801 send_tabline_menu_event(int tabidx, int event) 3802 { 3803 char_u string[3]; 3804 3805 /* Don't put events in the input queue now. */ 3806 if (hold_gui_events) 3807 return; 3808 3809 string[0] = CSI; 3810 string[1] = KS_TABMENU; 3811 string[2] = KE_FILLER; 3812 add_to_input_buf(string, 3); 3813 string[0] = tabidx; 3814 string[1] = (char_u)(long)event; 3815 add_to_input_buf_csi(string, 2); 3816 } 3817 3818 #endif 3819 3820 /* 3821 * Scrollbar stuff: 3822 */ 3823 3824 /* 3825 * Remove all scrollbars. Used before switching to another tab page. 3826 */ 3827 void 3828 gui_remove_scrollbars(void) 3829 { 3830 int i; 3831 win_T *wp; 3832 3833 for (i = 0; i < 3; i++) 3834 { 3835 if (i == SBAR_BOTTOM) 3836 gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE); 3837 else 3838 { 3839 FOR_ALL_WINDOWS(wp) 3840 { 3841 gui_do_scrollbar(wp, i, FALSE); 3842 } 3843 } 3844 curtab->tp_prev_which_scrollbars[i] = -1; 3845 } 3846 } 3847 3848 void 3849 gui_create_scrollbar(scrollbar_T *sb, int type, win_T *wp) 3850 { 3851 static int sbar_ident = 0; 3852 3853 sb->ident = sbar_ident++; /* No check for too big, but would it happen? */ 3854 sb->wp = wp; 3855 sb->type = type; 3856 sb->value = 0; 3857 #ifdef FEAT_GUI_ATHENA 3858 sb->pixval = 0; 3859 #endif 3860 sb->size = 1; 3861 sb->max = 1; 3862 sb->top = 0; 3863 sb->height = 0; 3864 sb->width = 0; 3865 sb->status_height = 0; 3866 gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT); 3867 } 3868 3869 /* 3870 * Find the scrollbar with the given index. 3871 */ 3872 scrollbar_T * 3873 gui_find_scrollbar(long ident) 3874 { 3875 win_T *wp; 3876 3877 if (gui.bottom_sbar.ident == ident) 3878 return &gui.bottom_sbar; 3879 FOR_ALL_WINDOWS(wp) 3880 { 3881 if (wp->w_scrollbars[SBAR_LEFT].ident == ident) 3882 return &wp->w_scrollbars[SBAR_LEFT]; 3883 if (wp->w_scrollbars[SBAR_RIGHT].ident == ident) 3884 return &wp->w_scrollbars[SBAR_RIGHT]; 3885 } 3886 return NULL; 3887 } 3888 3889 /* 3890 * For most systems: Put a code in the input buffer for a dragged scrollbar. 3891 * 3892 * For Win32, Macintosh and GTK+ 2: 3893 * Scrollbars seem to grab focus and vim doesn't read the input queue until 3894 * you stop dragging the scrollbar. We get here each time the scrollbar is 3895 * dragged another pixel, but as far as the rest of vim goes, it thinks 3896 * we're just hanging in the call to DispatchMessage() in 3897 * process_message(). The DispatchMessage() call that hangs was passed a 3898 * mouse button click event in the scrollbar window. -- webb. 3899 * 3900 * Solution: Do the scrolling right here. But only when allowed. 3901 * Ignore the scrollbars while executing an external command or when there 3902 * are still characters to be processed. 3903 */ 3904 void 3905 gui_drag_scrollbar(scrollbar_T *sb, long value, int still_dragging) 3906 { 3907 win_T *wp; 3908 int sb_num; 3909 #ifdef USE_ON_FLY_SCROLL 3910 colnr_T old_leftcol = curwin->w_leftcol; 3911 # ifdef FEAT_SCROLLBIND 3912 linenr_T old_topline = curwin->w_topline; 3913 # endif 3914 # ifdef FEAT_DIFF 3915 int old_topfill = curwin->w_topfill; 3916 # endif 3917 #else 3918 char_u bytes[sizeof(long_u)]; 3919 int byte_count; 3920 #endif 3921 3922 if (sb == NULL) 3923 return; 3924 3925 /* Don't put events in the input queue now. */ 3926 if (hold_gui_events) 3927 return; 3928 3929 #ifdef FEAT_CMDWIN 3930 if (cmdwin_type != 0 && sb->wp != curwin) 3931 return; 3932 #endif 3933 3934 if (still_dragging) 3935 { 3936 if (sb->wp == NULL) 3937 gui.dragged_sb = SBAR_BOTTOM; 3938 else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT]) 3939 gui.dragged_sb = SBAR_LEFT; 3940 else 3941 gui.dragged_sb = SBAR_RIGHT; 3942 gui.dragged_wp = sb->wp; 3943 } 3944 else 3945 { 3946 gui.dragged_sb = SBAR_NONE; 3947 #ifdef FEAT_GUI_GTK 3948 /* Keep the "dragged_wp" value until after the scrolling, for when the 3949 * mouse button is released. GTK2 doesn't send the button-up event. */ 3950 gui.dragged_wp = NULL; 3951 #endif 3952 } 3953 3954 /* Vertical sbar info is kept in the first sbar (the left one) */ 3955 if (sb->wp != NULL) 3956 sb = &sb->wp->w_scrollbars[0]; 3957 3958 /* 3959 * Check validity of value 3960 */ 3961 if (value < 0) 3962 value = 0; 3963 #ifdef SCROLL_PAST_END 3964 else if (value > sb->max) 3965 value = sb->max; 3966 #else 3967 if (value > sb->max - sb->size + 1) 3968 value = sb->max - sb->size + 1; 3969 #endif 3970 3971 sb->value = value; 3972 3973 #ifdef USE_ON_FLY_SCROLL 3974 /* When not allowed to do the scrolling right now, return. 3975 * This also checked input_available(), but that causes the first click in 3976 * a scrollbar to be ignored when Vim doesn't have focus. */ 3977 if (dont_scroll) 3978 return; 3979 #endif 3980 #ifdef FEAT_INS_EXPAND 3981 /* Disallow scrolling the current window when the completion popup menu is 3982 * visible. */ 3983 if ((sb->wp == NULL || sb->wp == curwin) && pum_visible()) 3984 return; 3985 #endif 3986 3987 #ifdef FEAT_RIGHTLEFT 3988 if (sb->wp == NULL && curwin->w_p_rl) 3989 { 3990 value = sb->max + 1 - sb->size - value; 3991 if (value < 0) 3992 value = 0; 3993 } 3994 #endif 3995 3996 if (sb->wp != NULL) /* vertical scrollbar */ 3997 { 3998 sb_num = 0; 3999 for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next) 4000 sb_num++; 4001 if (wp == NULL) 4002 return; 4003 4004 #ifdef USE_ON_FLY_SCROLL 4005 current_scrollbar = sb_num; 4006 scrollbar_value = value; 4007 if (State & NORMAL) 4008 { 4009 gui_do_scroll(); 4010 setcursor(); 4011 } 4012 else if (State & INSERT) 4013 { 4014 ins_scroll(); 4015 setcursor(); 4016 } 4017 else if (State & CMDLINE) 4018 { 4019 if (msg_scrolled == 0) 4020 { 4021 gui_do_scroll(); 4022 redrawcmdline(); 4023 } 4024 } 4025 # ifdef FEAT_FOLDING 4026 /* Value may have been changed for closed fold. */ 4027 sb->value = sb->wp->w_topline - 1; 4028 # endif 4029 4030 /* When dragging one scrollbar and there is another one at the other 4031 * side move the thumb of that one too. */ 4032 if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT]) 4033 gui_mch_set_scrollbar_thumb( 4034 &sb->wp->w_scrollbars[ 4035 sb == &sb->wp->w_scrollbars[SBAR_RIGHT] 4036 ? SBAR_LEFT : SBAR_RIGHT], 4037 sb->value, sb->size, sb->max); 4038 4039 #else 4040 bytes[0] = CSI; 4041 bytes[1] = KS_VER_SCROLLBAR; 4042 bytes[2] = KE_FILLER; 4043 bytes[3] = (char_u)sb_num; 4044 byte_count = 4; 4045 #endif 4046 } 4047 else 4048 { 4049 #ifdef USE_ON_FLY_SCROLL 4050 scrollbar_value = value; 4051 4052 if (State & NORMAL) 4053 gui_do_horiz_scroll(scrollbar_value, FALSE); 4054 else if (State & INSERT) 4055 ins_horscroll(); 4056 else if (State & CMDLINE) 4057 { 4058 if (msg_scrolled == 0) 4059 { 4060 gui_do_horiz_scroll(scrollbar_value, FALSE); 4061 redrawcmdline(); 4062 } 4063 } 4064 if (old_leftcol != curwin->w_leftcol) 4065 { 4066 updateWindow(curwin); /* update window, status and cmdline */ 4067 setcursor(); 4068 } 4069 #else 4070 bytes[0] = CSI; 4071 bytes[1] = KS_HOR_SCROLLBAR; 4072 bytes[2] = KE_FILLER; 4073 byte_count = 3; 4074 #endif 4075 } 4076 4077 #ifdef USE_ON_FLY_SCROLL 4078 # ifdef FEAT_SCROLLBIND 4079 /* 4080 * synchronize other windows, as necessary according to 'scrollbind' 4081 */ 4082 if (curwin->w_p_scb 4083 && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol) 4084 || (sb->wp == curwin && (curwin->w_topline != old_topline 4085 # ifdef FEAT_DIFF 4086 || curwin->w_topfill != old_topfill 4087 # endif 4088 )))) 4089 { 4090 do_check_scrollbind(TRUE); 4091 /* need to update the window right here */ 4092 FOR_ALL_WINDOWS(wp) 4093 if (wp->w_redr_type > 0) 4094 updateWindow(wp); 4095 setcursor(); 4096 } 4097 # endif 4098 out_flush(); 4099 gui_update_cursor(FALSE, TRUE); 4100 #else 4101 add_to_input_buf(bytes, byte_count); 4102 add_long_to_buf((long_u)value, bytes); 4103 add_to_input_buf_csi(bytes, sizeof(long_u)); 4104 #endif 4105 } 4106 4107 /* 4108 * Scrollbar stuff: 4109 */ 4110 4111 /* 4112 * Called when something in the window layout has changed. 4113 */ 4114 void 4115 gui_may_update_scrollbars(void) 4116 { 4117 if (gui.in_use && starting == 0) 4118 { 4119 out_flush(); 4120 gui_init_which_components(NULL); 4121 gui_update_scrollbars(TRUE); 4122 } 4123 need_mouse_correct = TRUE; 4124 } 4125 4126 void 4127 gui_update_scrollbars( 4128 int force) /* Force all scrollbars to get updated */ 4129 { 4130 win_T *wp; 4131 scrollbar_T *sb; 4132 long val, size, max; /* need 32 bits here */ 4133 int which_sb; 4134 int h, y; 4135 static win_T *prev_curwin = NULL; 4136 4137 /* Update the horizontal scrollbar */ 4138 gui_update_horiz_scrollbar(force); 4139 4140 #ifndef WIN3264 4141 /* Return straight away if there is neither a left nor right scrollbar. 4142 * On MS-Windows this is required anyway for scrollwheel messages. */ 4143 if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT]) 4144 return; 4145 #endif 4146 4147 /* 4148 * Don't want to update a scrollbar while we're dragging it. But if we 4149 * have both a left and right scrollbar, and we drag one of them, we still 4150 * need to update the other one. 4151 */ 4152 if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT) 4153 && gui.which_scrollbars[SBAR_LEFT] 4154 && gui.which_scrollbars[SBAR_RIGHT]) 4155 { 4156 /* 4157 * If we have two scrollbars and one of them is being dragged, just 4158 * copy the scrollbar position from the dragged one to the other one. 4159 */ 4160 which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb; 4161 if (gui.dragged_wp != NULL) 4162 gui_mch_set_scrollbar_thumb( 4163 &gui.dragged_wp->w_scrollbars[which_sb], 4164 gui.dragged_wp->w_scrollbars[0].value, 4165 gui.dragged_wp->w_scrollbars[0].size, 4166 gui.dragged_wp->w_scrollbars[0].max); 4167 } 4168 4169 /* avoid that moving components around generates events */ 4170 ++hold_gui_events; 4171 4172 for (wp = firstwin; wp != NULL; wp = W_NEXT(wp)) 4173 { 4174 if (wp->w_buffer == NULL) /* just in case */ 4175 continue; 4176 /* Skip a scrollbar that is being dragged. */ 4177 if (!force && (gui.dragged_sb == SBAR_LEFT 4178 || gui.dragged_sb == SBAR_RIGHT) 4179 && gui.dragged_wp == wp) 4180 continue; 4181 4182 #ifdef SCROLL_PAST_END 4183 max = wp->w_buffer->b_ml.ml_line_count - 1; 4184 #else 4185 max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2; 4186 #endif 4187 if (max < 0) /* empty buffer */ 4188 max = 0; 4189 val = wp->w_topline - 1; 4190 size = wp->w_height; 4191 #ifdef SCROLL_PAST_END 4192 if (val > max) /* just in case */ 4193 val = max; 4194 #else 4195 if (size > max + 1) /* just in case */ 4196 size = max + 1; 4197 if (val > max - size + 1) 4198 val = max - size + 1; 4199 #endif 4200 if (val < 0) /* minimal value is 0 */ 4201 val = 0; 4202 4203 /* 4204 * Scrollbar at index 0 (the left one) contains all the information. 4205 * It would be the same info for left and right so we just store it for 4206 * one of them. 4207 */ 4208 sb = &wp->w_scrollbars[0]; 4209 4210 /* 4211 * Note: no check for valid w_botline. If it's not valid the 4212 * scrollbars will be updated later anyway. 4213 */ 4214 if (size < 1 || wp->w_botline - 2 > max) 4215 { 4216 /* 4217 * This can happen during changing files. Just don't update the 4218 * scrollbar for now. 4219 */ 4220 sb->height = 0; /* Force update next time */ 4221 if (gui.which_scrollbars[SBAR_LEFT]) 4222 gui_do_scrollbar(wp, SBAR_LEFT, FALSE); 4223 if (gui.which_scrollbars[SBAR_RIGHT]) 4224 gui_do_scrollbar(wp, SBAR_RIGHT, FALSE); 4225 continue; 4226 } 4227 if (force || sb->height != wp->w_height 4228 || sb->top != wp->w_winrow 4229 || sb->status_height != wp->w_status_height 4230 || sb->width != wp->w_width 4231 || prev_curwin != curwin) 4232 { 4233 /* Height, width or position of scrollbar has changed. For 4234 * vertical split: curwin changed. */ 4235 sb->height = wp->w_height; 4236 sb->top = wp->w_winrow; 4237 sb->status_height = wp->w_status_height; 4238 sb->width = wp->w_width; 4239 4240 /* Calculate height and position in pixels */ 4241 h = (sb->height + sb->status_height) * gui.char_height; 4242 y = sb->top * gui.char_height + gui.border_offset; 4243 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON) 4244 if (gui.menu_is_active) 4245 y += gui.menu_height; 4246 #endif 4247 4248 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA)) 4249 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 4250 # ifdef FEAT_GUI_ATHENA 4251 y += gui.toolbar_height; 4252 # else 4253 # ifdef FEAT_GUI_MSWIN 4254 y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 4255 # endif 4256 # endif 4257 #endif 4258 4259 #if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN) 4260 if (gui_has_tabline()) 4261 y += gui.tabline_height; 4262 #endif 4263 4264 if (wp->w_winrow == 0) 4265 { 4266 /* Height of top scrollbar includes width of top border */ 4267 h += gui.border_offset; 4268 y -= gui.border_offset; 4269 } 4270 if (gui.which_scrollbars[SBAR_LEFT]) 4271 { 4272 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT], 4273 gui.left_sbar_x, y, 4274 gui.scrollbar_width, h); 4275 gui_do_scrollbar(wp, SBAR_LEFT, TRUE); 4276 } 4277 if (gui.which_scrollbars[SBAR_RIGHT]) 4278 { 4279 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT], 4280 gui.right_sbar_x, y, 4281 gui.scrollbar_width, h); 4282 gui_do_scrollbar(wp, SBAR_RIGHT, TRUE); 4283 } 4284 } 4285 4286 /* Reduce the number of calls to gui_mch_set_scrollbar_thumb() by 4287 * checking if the thumb moved at least a pixel. Only do this for 4288 * Athena, most other GUIs require the update anyway to make the 4289 * arrows work. */ 4290 #ifdef FEAT_GUI_ATHENA 4291 if (max == 0) 4292 y = 0; 4293 else 4294 y = (val * (sb->height + 2) * gui.char_height + max / 2) / max; 4295 if (force || sb->pixval != y || sb->size != size || sb->max != max) 4296 #else 4297 if (force || sb->value != val || sb->size != size || sb->max != max) 4298 #endif 4299 { 4300 /* Thumb of scrollbar has moved */ 4301 sb->value = val; 4302 #ifdef FEAT_GUI_ATHENA 4303 sb->pixval = y; 4304 #endif 4305 sb->size = size; 4306 sb->max = max; 4307 if (gui.which_scrollbars[SBAR_LEFT] 4308 && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp)) 4309 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT], 4310 val, size, max); 4311 if (gui.which_scrollbars[SBAR_RIGHT] 4312 && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp)) 4313 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT], 4314 val, size, max); 4315 } 4316 } 4317 prev_curwin = curwin; 4318 --hold_gui_events; 4319 } 4320 4321 /* 4322 * Enable or disable a scrollbar. 4323 * Check for scrollbars for vertically split windows which are not enabled 4324 * sometimes. 4325 */ 4326 static void 4327 gui_do_scrollbar( 4328 win_T *wp, 4329 int which, /* SBAR_LEFT or SBAR_RIGHT */ 4330 int enable) /* TRUE to enable scrollbar */ 4331 { 4332 int midcol = curwin->w_wincol + curwin->w_width / 2; 4333 int has_midcol = (wp->w_wincol <= midcol 4334 && wp->w_wincol + wp->w_width >= midcol); 4335 4336 /* Only enable scrollbars that contain the middle column of the current 4337 * window. */ 4338 if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT]) 4339 { 4340 /* Scrollbars only on one side. Don't enable scrollbars that don't 4341 * contain the middle column of the current window. */ 4342 if (!has_midcol) 4343 enable = FALSE; 4344 } 4345 else 4346 { 4347 /* Scrollbars on both sides. Don't enable scrollbars that neither 4348 * contain the middle column of the current window nor are on the far 4349 * side. */ 4350 if (midcol > Columns / 2) 4351 { 4352 if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol) 4353 enable = FALSE; 4354 } 4355 else 4356 { 4357 if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns 4358 : !has_midcol) 4359 enable = FALSE; 4360 } 4361 } 4362 gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable); 4363 } 4364 4365 /* 4366 * Scroll a window according to the values set in the globals current_scrollbar 4367 * and scrollbar_value. Return TRUE if the cursor in the current window moved 4368 * or FALSE otherwise. 4369 */ 4370 int 4371 gui_do_scroll(void) 4372 { 4373 win_T *wp, *save_wp; 4374 int i; 4375 long nlines; 4376 pos_T old_cursor; 4377 linenr_T old_topline; 4378 #ifdef FEAT_DIFF 4379 int old_topfill; 4380 #endif 4381 4382 for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++) 4383 if (wp == NULL) 4384 break; 4385 if (wp == NULL) 4386 /* Couldn't find window */ 4387 return FALSE; 4388 4389 /* 4390 * Compute number of lines to scroll. If zero, nothing to do. 4391 */ 4392 nlines = (long)scrollbar_value + 1 - (long)wp->w_topline; 4393 if (nlines == 0) 4394 return FALSE; 4395 4396 save_wp = curwin; 4397 old_topline = wp->w_topline; 4398 #ifdef FEAT_DIFF 4399 old_topfill = wp->w_topfill; 4400 #endif 4401 old_cursor = wp->w_cursor; 4402 curwin = wp; 4403 curbuf = wp->w_buffer; 4404 if (nlines < 0) 4405 scrolldown(-nlines, gui.dragged_wp == NULL); 4406 else 4407 scrollup(nlines, gui.dragged_wp == NULL); 4408 /* Reset dragged_wp after using it. "dragged_sb" will have been reset for 4409 * the mouse-up event already, but we still want it to behave like when 4410 * dragging. But not the next click in an arrow. */ 4411 if (gui.dragged_sb == SBAR_NONE) 4412 gui.dragged_wp = NULL; 4413 4414 if (old_topline != wp->w_topline 4415 #ifdef FEAT_DIFF 4416 || old_topfill != wp->w_topfill 4417 #endif 4418 ) 4419 { 4420 if (p_so != 0) 4421 { 4422 cursor_correct(); /* fix window for 'so' */ 4423 update_topline(); /* avoid up/down jump */ 4424 } 4425 if (old_cursor.lnum != wp->w_cursor.lnum) 4426 coladvance(wp->w_curswant); 4427 #ifdef FEAT_SCROLLBIND 4428 wp->w_scbind_pos = wp->w_topline; 4429 #endif 4430 } 4431 4432 /* Make sure wp->w_leftcol and wp->w_skipcol are correct. */ 4433 validate_cursor(); 4434 4435 curwin = save_wp; 4436 curbuf = save_wp->w_buffer; 4437 4438 /* 4439 * Don't call updateWindow() when nothing has changed (it will overwrite 4440 * the status line!). 4441 */ 4442 if (old_topline != wp->w_topline 4443 || wp->w_redr_type != 0 4444 #ifdef FEAT_DIFF 4445 || old_topfill != wp->w_topfill 4446 #endif 4447 ) 4448 { 4449 int type = VALID; 4450 4451 #ifdef FEAT_INS_EXPAND 4452 if (pum_visible()) 4453 { 4454 type = NOT_VALID; 4455 wp->w_lines_valid = 0; 4456 } 4457 #endif 4458 /* Don't set must_redraw here, it may cause the popup menu to 4459 * disappear when losing focus after a scrollbar drag. */ 4460 if (wp->w_redr_type < type) 4461 wp->w_redr_type = type; 4462 updateWindow(wp); /* update window, status line, and cmdline */ 4463 } 4464 4465 #ifdef FEAT_INS_EXPAND 4466 /* May need to redraw the popup menu. */ 4467 if (pum_visible()) 4468 pum_redraw(); 4469 #endif 4470 4471 return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor)); 4472 } 4473 4474 4475 /* 4476 * Horizontal scrollbar stuff: 4477 */ 4478 4479 /* 4480 * Return length of line "lnum" for horizontal scrolling. 4481 */ 4482 static colnr_T 4483 scroll_line_len(linenr_T lnum) 4484 { 4485 char_u *p; 4486 colnr_T col; 4487 int w; 4488 4489 p = ml_get(lnum); 4490 col = 0; 4491 if (*p != NUL) 4492 for (;;) 4493 { 4494 w = chartabsize(p, col); 4495 MB_PTR_ADV(p); 4496 if (*p == NUL) /* don't count the last character */ 4497 break; 4498 col += w; 4499 } 4500 return col; 4501 } 4502 4503 /* Remember which line is currently the longest, so that we don't have to 4504 * search for it when scrolling horizontally. */ 4505 static linenr_T longest_lnum = 0; 4506 4507 /* 4508 * Find longest visible line number. If this is not possible (or not desired, 4509 * by setting 'h' in "guioptions") then the current line number is returned. 4510 */ 4511 static linenr_T 4512 gui_find_longest_lnum(void) 4513 { 4514 linenr_T ret = 0; 4515 4516 /* Calculate maximum for horizontal scrollbar. Check for reasonable 4517 * line numbers, topline and botline can be invalid when displaying is 4518 * postponed. */ 4519 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4520 && curwin->w_topline <= curwin->w_cursor.lnum 4521 && curwin->w_botline > curwin->w_cursor.lnum 4522 && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1) 4523 { 4524 linenr_T lnum; 4525 colnr_T n; 4526 long max = 0; 4527 4528 /* Use maximum of all visible lines. Remember the lnum of the 4529 * longest line, closest to the cursor line. Used when scrolling 4530 * below. */ 4531 for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum) 4532 { 4533 n = scroll_line_len(lnum); 4534 if (n > (colnr_T)max) 4535 { 4536 max = n; 4537 ret = lnum; 4538 } 4539 else if (n == (colnr_T)max 4540 && abs((int)(lnum - curwin->w_cursor.lnum)) 4541 < abs((int)(ret - curwin->w_cursor.lnum))) 4542 ret = lnum; 4543 } 4544 } 4545 else 4546 /* Use cursor line only. */ 4547 ret = curwin->w_cursor.lnum; 4548 4549 return ret; 4550 } 4551 4552 static void 4553 gui_update_horiz_scrollbar(int force) 4554 { 4555 long value, size, max; /* need 32 bit ints here */ 4556 4557 if (!gui.which_scrollbars[SBAR_BOTTOM]) 4558 return; 4559 4560 if (!force && gui.dragged_sb == SBAR_BOTTOM) 4561 return; 4562 4563 if (!force && curwin->w_p_wrap && gui.prev_wrap) 4564 return; 4565 4566 /* 4567 * It is possible for the cursor to be invalid if we're in the middle of 4568 * something (like changing files). If so, don't do anything for now. 4569 */ 4570 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 4571 { 4572 gui.bottom_sbar.value = -1; 4573 return; 4574 } 4575 4576 size = curwin->w_width; 4577 if (curwin->w_p_wrap) 4578 { 4579 value = 0; 4580 #ifdef SCROLL_PAST_END 4581 max = 0; 4582 #else 4583 max = curwin->w_width - 1; 4584 #endif 4585 } 4586 else 4587 { 4588 value = curwin->w_leftcol; 4589 4590 longest_lnum = gui_find_longest_lnum(); 4591 max = scroll_line_len(longest_lnum); 4592 4593 #ifdef FEAT_VIRTUALEDIT 4594 if (virtual_active()) 4595 { 4596 /* May move the cursor even further to the right. */ 4597 if (curwin->w_virtcol >= (colnr_T)max) 4598 max = curwin->w_virtcol; 4599 } 4600 #endif 4601 4602 #ifndef SCROLL_PAST_END 4603 max += curwin->w_width - 1; 4604 #endif 4605 /* The line number isn't scrolled, thus there is less space when 4606 * 'number' or 'relativenumber' is set (also for 'foldcolumn'). */ 4607 size -= curwin_col_off(); 4608 #ifndef SCROLL_PAST_END 4609 max -= curwin_col_off(); 4610 #endif 4611 } 4612 4613 #ifndef SCROLL_PAST_END 4614 if (value > max - size + 1) 4615 value = max - size + 1; /* limit the value to allowable range */ 4616 #endif 4617 4618 #ifdef FEAT_RIGHTLEFT 4619 if (curwin->w_p_rl) 4620 { 4621 value = max + 1 - size - value; 4622 if (value < 0) 4623 { 4624 size += value; 4625 value = 0; 4626 } 4627 } 4628 #endif 4629 if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size 4630 && max == gui.bottom_sbar.max) 4631 return; 4632 4633 gui.bottom_sbar.value = value; 4634 gui.bottom_sbar.size = size; 4635 gui.bottom_sbar.max = max; 4636 gui.prev_wrap = curwin->w_p_wrap; 4637 4638 gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max); 4639 } 4640 4641 /* 4642 * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise. 4643 */ 4644 int 4645 gui_do_horiz_scroll(long_u leftcol, int compute_longest_lnum) 4646 { 4647 /* no wrapping, no scrolling */ 4648 if (curwin->w_p_wrap) 4649 return FALSE; 4650 4651 if (curwin->w_leftcol == (colnr_T)leftcol) 4652 return FALSE; 4653 4654 curwin->w_leftcol = (colnr_T)leftcol; 4655 4656 /* When the line of the cursor is too short, move the cursor to the 4657 * longest visible line. */ 4658 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4659 && !virtual_active() 4660 && (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum)) 4661 { 4662 if (compute_longest_lnum) 4663 { 4664 curwin->w_cursor.lnum = gui_find_longest_lnum(); 4665 curwin->w_cursor.col = 0; 4666 } 4667 /* Do a sanity check on "longest_lnum", just in case. */ 4668 else if (longest_lnum >= curwin->w_topline 4669 && longest_lnum < curwin->w_botline) 4670 { 4671 curwin->w_cursor.lnum = longest_lnum; 4672 curwin->w_cursor.col = 0; 4673 } 4674 } 4675 4676 return leftcol_changed(); 4677 } 4678 4679 /* 4680 * Check that none of the colors are the same as the background color 4681 */ 4682 void 4683 gui_check_colors(void) 4684 { 4685 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4686 { 4687 gui_set_bg_color((char_u *)"White"); 4688 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4689 gui_set_fg_color((char_u *)"Black"); 4690 } 4691 } 4692 4693 static void 4694 gui_set_fg_color(char_u *name) 4695 { 4696 gui.norm_pixel = gui_get_color(name); 4697 hl_set_fg_color_name(vim_strsave(name)); 4698 } 4699 4700 static void 4701 gui_set_bg_color(char_u *name) 4702 { 4703 gui.back_pixel = gui_get_color(name); 4704 hl_set_bg_color_name(vim_strsave(name)); 4705 } 4706 4707 /* 4708 * Allocate a color by name. 4709 * Returns INVALCOLOR and gives an error message when failed. 4710 */ 4711 guicolor_T 4712 gui_get_color(char_u *name) 4713 { 4714 guicolor_T t; 4715 4716 if (*name == NUL) 4717 return INVALCOLOR; 4718 t = gui_mch_get_color(name); 4719 4720 if (t == INVALCOLOR 4721 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) 4722 && gui.in_use 4723 #endif 4724 ) 4725 EMSG2(_("E254: Cannot allocate color %s"), name); 4726 return t; 4727 } 4728 4729 /* 4730 * Return the grey value of a color (range 0-255). 4731 */ 4732 int 4733 gui_get_lightness(guicolor_T pixel) 4734 { 4735 long_u rgb = (long_u)gui_mch_get_rgb(pixel); 4736 4737 return (int)( (((rgb >> 16) & 0xff) * 299) 4738 + (((rgb >> 8) & 0xff) * 587) 4739 + ((rgb & 0xff) * 114)) / 1000; 4740 } 4741 4742 #if defined(FEAT_GUI_X11) || defined(PROTO) 4743 void 4744 gui_new_scrollbar_colors(void) 4745 { 4746 win_T *wp; 4747 4748 /* Nothing to do if GUI hasn't started yet. */ 4749 if (!gui.in_use) 4750 return; 4751 4752 FOR_ALL_WINDOWS(wp) 4753 { 4754 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT])); 4755 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT])); 4756 } 4757 gui_mch_set_scrollbar_colors(&gui.bottom_sbar); 4758 } 4759 #endif 4760 4761 /* 4762 * Call this when focus has changed. 4763 */ 4764 void 4765 gui_focus_change(int in_focus) 4766 { 4767 /* 4768 * Skip this code to avoid drawing the cursor when debugging and switching 4769 * between the debugger window and gvim. 4770 */ 4771 #if 1 4772 gui.in_focus = in_focus; 4773 out_flush(); /* make sure output has been written */ 4774 gui_update_cursor(TRUE, FALSE); 4775 4776 # ifdef FEAT_XIM 4777 xim_set_focus(in_focus); 4778 # endif 4779 4780 /* Put events in the input queue only when allowed. 4781 * ui_focus_change() isn't called directly, because it invokes 4782 * autocommands and that must not happen asynchronously. */ 4783 if (!hold_gui_events) 4784 { 4785 char_u bytes[3]; 4786 4787 bytes[0] = CSI; 4788 bytes[1] = KS_EXTRA; 4789 bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST; 4790 add_to_input_buf(bytes, 3); 4791 } 4792 #endif 4793 } 4794 4795 /* 4796 * Called when the mouse moved (but not when dragging). 4797 */ 4798 void 4799 gui_mouse_moved(int x, int y) 4800 { 4801 win_T *wp; 4802 char_u st[8]; 4803 4804 /* Ignore this while still starting up. */ 4805 if (!gui.in_use || gui.starting) 4806 return; 4807 4808 #ifdef FEAT_MOUSESHAPE 4809 /* Get window pointer, and update mouse shape as well. */ 4810 wp = xy2win(x, y); 4811 #endif 4812 4813 /* Only handle this when 'mousefocus' set and ... */ 4814 if (p_mousef 4815 && !hold_gui_events /* not holding events */ 4816 && (State & (NORMAL|INSERT))/* Normal/Visual/Insert mode */ 4817 && State != HITRETURN /* but not hit-return prompt */ 4818 && msg_scrolled == 0 /* no scrolled message */ 4819 && !need_mouse_correct /* not moving the pointer */ 4820 && gui.in_focus) /* gvim in focus */ 4821 { 4822 /* Don't move the mouse when it's left or right of the Vim window */ 4823 if (x < 0 || x > Columns * gui.char_width) 4824 return; 4825 #ifndef FEAT_MOUSESHAPE 4826 wp = xy2win(x, y); 4827 #endif 4828 if (wp == curwin || wp == NULL) 4829 return; /* still in the same old window, or none at all */ 4830 4831 /* Ignore position in the tab pages line. */ 4832 if (Y_2_ROW(y) < tabline_height()) 4833 return; 4834 4835 /* 4836 * format a mouse click on status line input 4837 * ala gui_send_mouse_event(0, x, y, 0, 0); 4838 * Trick: Use a column number -1, so that get_pseudo_mouse_code() will 4839 * generate a K_LEFTMOUSE_NM key code. 4840 */ 4841 if (finish_op) 4842 { 4843 /* abort the current operator first */ 4844 st[0] = ESC; 4845 add_to_input_buf(st, 1); 4846 } 4847 st[0] = CSI; 4848 st[1] = KS_MOUSE; 4849 st[2] = KE_FILLER; 4850 st[3] = (char_u)MOUSE_LEFT; 4851 fill_mouse_coord(st + 4, 4852 wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF, 4853 wp->w_height + W_WINROW(wp)); 4854 4855 add_to_input_buf(st, 8); 4856 st[3] = (char_u)MOUSE_RELEASE; 4857 add_to_input_buf(st, 8); 4858 #ifdef FEAT_GUI_GTK 4859 /* Need to wake up the main loop */ 4860 if (gtk_main_level() > 0) 4861 gtk_main_quit(); 4862 #endif 4863 } 4864 } 4865 4866 /* 4867 * Called when mouse should be moved to window with focus. 4868 */ 4869 void 4870 gui_mouse_correct(void) 4871 { 4872 int x, y; 4873 win_T *wp = NULL; 4874 4875 need_mouse_correct = FALSE; 4876 4877 if (!(gui.in_use && p_mousef)) 4878 return; 4879 4880 gui_mch_getmouse(&x, &y); 4881 /* Don't move the mouse when it's left or right of the Vim window */ 4882 if (x < 0 || x > Columns * gui.char_width) 4883 return; 4884 if (y >= 0 && Y_2_ROW(y) >= tabline_height()) 4885 wp = xy2win(x, y); 4886 if (wp != curwin && wp != NULL) /* If in other than current window */ 4887 { 4888 validate_cline_row(); 4889 gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3, 4890 (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height 4891 + (gui.char_height) / 2); 4892 } 4893 } 4894 4895 /* 4896 * Find window where the mouse pointer "x" / "y" coordinate is in. 4897 */ 4898 static win_T * 4899 xy2win(int x UNUSED, int y UNUSED) 4900 { 4901 int row; 4902 int col; 4903 win_T *wp; 4904 4905 row = Y_2_ROW(y); 4906 col = X_2_COL(x); 4907 if (row < 0 || col < 0) /* before first window */ 4908 return NULL; 4909 wp = mouse_find_win(&row, &col); 4910 if (wp == NULL) 4911 return NULL; 4912 #ifdef FEAT_MOUSESHAPE 4913 if (State == HITRETURN || State == ASKMORE) 4914 { 4915 if (Y_2_ROW(y) >= msg_row) 4916 update_mouseshape(SHAPE_IDX_MOREL); 4917 else 4918 update_mouseshape(SHAPE_IDX_MORE); 4919 } 4920 else if (row > wp->w_height) /* below status line */ 4921 update_mouseshape(SHAPE_IDX_CLINE); 4922 else if (!(State & CMDLINE) && wp->w_vsep_width > 0 && col == wp->w_width 4923 && (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0) 4924 update_mouseshape(SHAPE_IDX_VSEP); 4925 else if (!(State & CMDLINE) && wp->w_status_height > 0 4926 && row == wp->w_height && msg_scrolled == 0) 4927 update_mouseshape(SHAPE_IDX_STATUS); 4928 else 4929 update_mouseshape(-2); 4930 #endif 4931 return wp; 4932 } 4933 4934 /* 4935 * ":gui" and ":gvim": Change from the terminal version to the GUI version. 4936 * File names may be given to redefine the args list. 4937 */ 4938 void 4939 ex_gui(exarg_T *eap) 4940 { 4941 char_u *arg = eap->arg; 4942 4943 /* 4944 * Check for "-f" argument: foreground, don't fork. 4945 * Also don't fork when started with "gvim -f". 4946 * Do fork when using "gui -b". 4947 */ 4948 if (arg[0] == '-' 4949 && (arg[1] == 'f' || arg[1] == 'b') 4950 && (arg[2] == NUL || VIM_ISWHITE(arg[2]))) 4951 { 4952 gui.dofork = (arg[1] == 'b'); 4953 eap->arg = skipwhite(eap->arg + 2); 4954 } 4955 if (!gui.in_use) 4956 { 4957 /* Clear the command. Needed for when forking+exiting, to avoid part 4958 * of the argument ending up after the shell prompt. */ 4959 msg_clr_eos_force(); 4960 gui_start(); 4961 #ifdef FEAT_JOB_CHANNEL 4962 channel_gui_register_all(); 4963 #endif 4964 } 4965 if (!ends_excmd(*eap->arg)) 4966 ex_next(eap); 4967 } 4968 4969 #if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32) \ 4970 || defined(FEAT_GUI_PHOTON)) && defined(FEAT_TOOLBAR)) || defined(PROTO) 4971 /* 4972 * This is shared between Athena, Motif and GTK. 4973 */ 4974 static void gfp_setname(char_u *fname, void *cookie); 4975 4976 /* 4977 * Callback function for do_in_runtimepath(). 4978 */ 4979 static void 4980 gfp_setname(char_u *fname, void *cookie) 4981 { 4982 char_u *gfp_buffer = cookie; 4983 4984 if (STRLEN(fname) >= MAXPATHL) 4985 *gfp_buffer = NUL; 4986 else 4987 STRCPY(gfp_buffer, fname); 4988 } 4989 4990 /* 4991 * Find the path of bitmap "name" with extension "ext" in 'runtimepath'. 4992 * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result. 4993 */ 4994 int 4995 gui_find_bitmap(char_u *name, char_u *buffer, char *ext) 4996 { 4997 if (STRLEN(name) > MAXPATHL - 14) 4998 return FAIL; 4999 vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext); 5000 if (do_in_runtimepath(buffer, 0, gfp_setname, buffer) == FAIL 5001 || *buffer == NUL) 5002 return FAIL; 5003 return OK; 5004 } 5005 5006 # if !defined(FEAT_GUI_GTK) || defined(PROTO) 5007 /* 5008 * Given the name of the "icon=" argument, try finding the bitmap file for the 5009 * icon. If it is an absolute path name, use it as it is. Otherwise append 5010 * "ext" and search for it in 'runtimepath'. 5011 * The result is put in "buffer[MAXPATHL]". If something fails "buffer" 5012 * contains "name". 5013 */ 5014 void 5015 gui_find_iconfile(char_u *name, char_u *buffer, char *ext) 5016 { 5017 char_u buf[MAXPATHL + 1]; 5018 5019 expand_env(name, buffer, MAXPATHL); 5020 if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK) 5021 STRCPY(buffer, buf); 5022 } 5023 # endif 5024 #endif 5025 5026 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO) 5027 void 5028 display_errors(void) 5029 { 5030 char_u *p; 5031 5032 if (isatty(2)) 5033 fflush(stderr); 5034 else if (error_ga.ga_data != NULL) 5035 { 5036 /* avoid putting up a message box with blanks only */ 5037 for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p) 5038 if (!isspace(*p)) 5039 { 5040 /* Truncate a very long message, it will go off-screen. */ 5041 if (STRLEN(p) > 2000) 5042 STRCPY(p + 2000 - 14, "...(truncated)"); 5043 (void)do_dialog(VIM_ERROR, (char_u *)_("Error"), 5044 p, (char_u *)_("&Ok"), 1, NULL, FALSE); 5045 break; 5046 } 5047 ga_clear(&error_ga); 5048 } 5049 } 5050 #endif 5051 5052 #if defined(NO_CONSOLE_INPUT) || defined(PROTO) 5053 /* 5054 * Return TRUE if still starting up and there is no place to enter text. 5055 * For GTK and X11 we check if stderr is not a tty, which means we were 5056 * (probably) started from the desktop. Also check stdin, "vim >& file" does 5057 * allow typing on stdin. 5058 */ 5059 int 5060 no_console_input(void) 5061 { 5062 return ((!gui.in_use || gui.starting) 5063 # ifndef NO_CONSOLE 5064 && !isatty(0) && !isatty(2) 5065 # endif 5066 ); 5067 } 5068 #endif 5069 5070 #if defined(FIND_REPLACE_DIALOG) || defined(FEAT_SUN_WORKSHOP) \ 5071 || defined(NEED_GUI_UPDATE_SCREEN) \ 5072 || defined(PROTO) 5073 /* 5074 * Update the current window and the screen. 5075 */ 5076 void 5077 gui_update_screen(void) 5078 { 5079 #ifdef FEAT_CONCEAL 5080 linenr_T conceal_old_cursor_line = 0; 5081 linenr_T conceal_new_cursor_line = 0; 5082 int conceal_update_lines = FALSE; 5083 #endif 5084 5085 update_topline(); 5086 validate_cursor(); 5087 5088 #if defined(FEAT_AUTOCMD) || defined(FEAT_CONCEAL) 5089 /* Trigger CursorMoved if the cursor moved. */ 5090 if (!finish_op && ( 5091 # ifdef FEAT_AUTOCMD 5092 has_cursormoved() 5093 # endif 5094 # if defined(FEAT_AUTOCMD) && defined(FEAT_CONCEAL) 5095 || 5096 # endif 5097 # ifdef FEAT_CONCEAL 5098 curwin->w_p_cole > 0 5099 # endif 5100 ) 5101 && !EQUAL_POS(last_cursormoved, curwin->w_cursor)) 5102 { 5103 # ifdef FEAT_AUTOCMD 5104 if (has_cursormoved()) 5105 apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf); 5106 # endif 5107 # ifdef FEAT_CONCEAL 5108 if (curwin->w_p_cole > 0) 5109 { 5110 conceal_old_cursor_line = last_cursormoved.lnum; 5111 conceal_new_cursor_line = curwin->w_cursor.lnum; 5112 conceal_update_lines = TRUE; 5113 } 5114 # endif 5115 last_cursormoved = curwin->w_cursor; 5116 } 5117 #endif 5118 5119 update_screen(0); /* may need to update the screen */ 5120 setcursor(); 5121 # if defined(FEAT_CONCEAL) 5122 if (conceal_update_lines 5123 && (conceal_old_cursor_line != conceal_new_cursor_line 5124 || conceal_cursor_line(curwin) 5125 || need_cursor_line_redraw)) 5126 { 5127 if (conceal_old_cursor_line != conceal_new_cursor_line) 5128 update_single_line(curwin, conceal_old_cursor_line); 5129 update_single_line(curwin, conceal_new_cursor_line); 5130 curwin->w_valid &= ~VALID_CROW; 5131 } 5132 # endif 5133 out_flush(); /* make sure output has been written */ 5134 gui_update_cursor(TRUE, FALSE); 5135 gui_mch_flush(); 5136 } 5137 #endif 5138 5139 #if defined(FIND_REPLACE_DIALOG) || defined(PROTO) 5140 static void concat_esc(garray_T *gap, char_u *text, int what); 5141 5142 /* 5143 * Get the text to use in a find/replace dialog. Uses the last search pattern 5144 * if the argument is empty. 5145 * Returns an allocated string. 5146 */ 5147 char_u * 5148 get_find_dialog_text( 5149 char_u *arg, 5150 int *wwordp, /* return: TRUE if \< \> found */ 5151 int *mcasep) /* return: TRUE if \C found */ 5152 { 5153 char_u *text; 5154 5155 if (*arg == NUL) 5156 text = last_search_pat(); 5157 else 5158 text = arg; 5159 if (text != NULL) 5160 { 5161 text = vim_strsave(text); 5162 if (text != NULL) 5163 { 5164 int len = (int)STRLEN(text); 5165 int i; 5166 5167 /* Remove "\V" */ 5168 if (len >= 2 && STRNCMP(text, "\\V", 2) == 0) 5169 { 5170 mch_memmove(text, text + 2, (size_t)(len - 1)); 5171 len -= 2; 5172 } 5173 5174 /* Recognize "\c" and "\C" and remove. */ 5175 if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C')) 5176 { 5177 *mcasep = (text[1] == 'C'); 5178 mch_memmove(text, text + 2, (size_t)(len - 1)); 5179 len -= 2; 5180 } 5181 5182 /* Recognize "\<text\>" and remove. */ 5183 if (len >= 4 5184 && STRNCMP(text, "\\<", 2) == 0 5185 && STRNCMP(text + len - 2, "\\>", 2) == 0) 5186 { 5187 *wwordp = TRUE; 5188 mch_memmove(text, text + 2, (size_t)(len - 4)); 5189 text[len - 4] = NUL; 5190 } 5191 5192 /* Recognize "\/" or "\?" and remove. */ 5193 for (i = 0; i + 1 < len; ++i) 5194 if (text[i] == '\\' && (text[i + 1] == '/' 5195 || text[i + 1] == '?')) 5196 { 5197 mch_memmove(text + i, text + i + 1, (size_t)(len - i)); 5198 --len; 5199 } 5200 } 5201 } 5202 return text; 5203 } 5204 5205 /* 5206 * Concatenate "text" to grow array "gap", escaping "what" with a backslash. 5207 */ 5208 static void 5209 concat_esc(garray_T *gap, char_u *text, int what) 5210 { 5211 while (*text != NUL) 5212 { 5213 #ifdef FEAT_MBYTE 5214 int l = (*mb_ptr2len)(text); 5215 5216 if (l > 1) 5217 { 5218 while (--l >= 0) 5219 ga_append(gap, *text++); 5220 continue; 5221 } 5222 #endif 5223 if (*text == what) 5224 ga_append(gap, '\\'); 5225 ga_append(gap, *text); 5226 ++text; 5227 } 5228 } 5229 5230 /* 5231 * Handle the press of a button in the find-replace dialog. 5232 * Return TRUE when something was added to the input buffer. 5233 */ 5234 int 5235 gui_do_findrepl( 5236 int flags, /* one of FRD_REPLACE, FRD_FINDNEXT, etc. */ 5237 char_u *find_text, 5238 char_u *repl_text, 5239 int down) /* Search downwards. */ 5240 { 5241 garray_T ga; 5242 int i; 5243 int type = (flags & FRD_TYPE_MASK); 5244 char_u *p; 5245 regmatch_T regmatch; 5246 int save_did_emsg = did_emsg; 5247 static int busy = FALSE; 5248 5249 /* When the screen is being updated we should not change buffers and 5250 * windows structures, it may cause freed memory to be used. Also don't 5251 * do this recursively (pressing "Find" quickly several times. */ 5252 if (updating_screen || busy) 5253 return FALSE; 5254 5255 /* refuse replace when text cannot be changed */ 5256 if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked()) 5257 return FALSE; 5258 5259 busy = TRUE; 5260 5261 ga_init2(&ga, 1, 100); 5262 if (type == FRD_REPLACEALL) 5263 ga_concat(&ga, (char_u *)"%s/"); 5264 5265 ga_concat(&ga, (char_u *)"\\V"); 5266 if (flags & FRD_MATCH_CASE) 5267 ga_concat(&ga, (char_u *)"\\C"); 5268 else 5269 ga_concat(&ga, (char_u *)"\\c"); 5270 if (flags & FRD_WHOLE_WORD) 5271 ga_concat(&ga, (char_u *)"\\<"); 5272 if (type == FRD_REPLACEALL || down) 5273 concat_esc(&ga, find_text, '/'); /* escape slashes */ 5274 else 5275 concat_esc(&ga, find_text, '?'); /* escape '?' */ 5276 if (flags & FRD_WHOLE_WORD) 5277 ga_concat(&ga, (char_u *)"\\>"); 5278 5279 if (type == FRD_REPLACEALL) 5280 { 5281 ga_concat(&ga, (char_u *)"/"); 5282 /* escape / and \ */ 5283 p = vim_strsave_escaped(repl_text, (char_u *)"/\\"); 5284 if (p != NULL) 5285 ga_concat(&ga, p); 5286 vim_free(p); 5287 ga_concat(&ga, (char_u *)"/g"); 5288 } 5289 ga_append(&ga, NUL); 5290 5291 if (type == FRD_REPLACE) 5292 { 5293 /* Do the replacement when the text at the cursor matches. Thus no 5294 * replacement is done if the cursor was moved! */ 5295 regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING); 5296 regmatch.rm_ic = 0; 5297 if (regmatch.regprog != NULL) 5298 { 5299 p = ml_get_cursor(); 5300 if (vim_regexec_nl(®match, p, (colnr_T)0) 5301 && regmatch.startp[0] == p) 5302 { 5303 /* Clear the command line to remove any old "No match" 5304 * error. */ 5305 msg_end_prompt(); 5306 5307 if (u_save_cursor() == OK) 5308 { 5309 /* A button was pressed thus undo should be synced. */ 5310 u_sync(FALSE); 5311 5312 del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]), 5313 FALSE, FALSE); 5314 ins_str(repl_text); 5315 } 5316 } 5317 else 5318 MSG(_("No match at cursor, finding next")); 5319 vim_regfree(regmatch.regprog); 5320 } 5321 } 5322 5323 if (type == FRD_REPLACEALL) 5324 { 5325 /* A button was pressed, thus undo should be synced. */ 5326 u_sync(FALSE); 5327 do_cmdline_cmd(ga.ga_data); 5328 } 5329 else 5330 { 5331 int searchflags = SEARCH_MSG + SEARCH_MARK; 5332 5333 /* Search for the next match. 5334 * Don't skip text under cursor for single replace. */ 5335 if (type == FRD_REPLACE) 5336 searchflags += SEARCH_START; 5337 i = msg_scroll; 5338 (void)do_search(NULL, down ? '/' : '?', ga.ga_data, 1L, 5339 searchflags, NULL, NULL); 5340 msg_scroll = i; /* don't let an error message set msg_scroll */ 5341 } 5342 5343 /* Don't want to pass did_emsg to other code, it may cause disabling 5344 * syntax HL if we were busy redrawing. */ 5345 did_emsg = save_did_emsg; 5346 5347 if (State & (NORMAL | INSERT)) 5348 { 5349 gui_update_screen(); /* update the screen */ 5350 msg_didout = 0; /* overwrite any message */ 5351 need_wait_return = FALSE; /* don't wait for return */ 5352 } 5353 5354 vim_free(ga.ga_data); 5355 busy = FALSE; 5356 return (ga.ga_len > 0); 5357 } 5358 5359 #endif 5360 5361 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ 5362 || defined(FEAT_GUI_MSWIN) \ 5363 || defined(FEAT_GUI_MAC) \ 5364 || defined(PROTO) 5365 5366 static void gui_wingoto_xy(int x, int y); 5367 5368 /* 5369 * Jump to the window at specified point (x, y). 5370 */ 5371 static void 5372 gui_wingoto_xy(int x, int y) 5373 { 5374 int row = Y_2_ROW(y); 5375 int col = X_2_COL(x); 5376 win_T *wp; 5377 5378 if (row >= 0 && col >= 0) 5379 { 5380 wp = mouse_find_win(&row, &col); 5381 if (wp != NULL && wp != curwin) 5382 win_goto(wp); 5383 } 5384 } 5385 5386 /* 5387 * Process file drop. Mouse cursor position, key modifiers, name of files 5388 * and count of files are given. Argument "fnames[count]" has full pathnames 5389 * of dropped files, they will be freed in this function, and caller can't use 5390 * fnames after call this function. 5391 */ 5392 void 5393 gui_handle_drop( 5394 int x UNUSED, 5395 int y UNUSED, 5396 int_u modifiers, 5397 char_u **fnames, 5398 int count) 5399 { 5400 int i; 5401 char_u *p; 5402 static int entered = FALSE; 5403 5404 /* 5405 * This function is called by event handlers. Just in case we get a 5406 * second event before the first one is handled, ignore the second one. 5407 * Not sure if this can ever happen, just in case. 5408 */ 5409 if (entered) 5410 return; 5411 entered = TRUE; 5412 5413 /* 5414 * When the cursor is at the command line, add the file names to the 5415 * command line, don't edit the files. 5416 */ 5417 if (State & CMDLINE) 5418 { 5419 shorten_filenames(fnames, count); 5420 for (i = 0; i < count; ++i) 5421 { 5422 if (fnames[i] != NULL) 5423 { 5424 if (i > 0) 5425 add_to_input_buf((char_u*)" ", 1); 5426 5427 /* We don't know what command is used thus we can't be sure 5428 * about which characters need to be escaped. Only escape the 5429 * most common ones. */ 5430 # ifdef BACKSLASH_IN_FILENAME 5431 p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|"); 5432 # else 5433 p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|"); 5434 # endif 5435 if (p != NULL) 5436 add_to_input_buf_csi(p, (int)STRLEN(p)); 5437 vim_free(p); 5438 vim_free(fnames[i]); 5439 } 5440 } 5441 vim_free(fnames); 5442 } 5443 else 5444 { 5445 /* Go to the window under mouse cursor, then shorten given "fnames" by 5446 * current window, because a window can have local current dir. */ 5447 gui_wingoto_xy(x, y); 5448 shorten_filenames(fnames, count); 5449 5450 /* If Shift held down, remember the first item. */ 5451 if ((modifiers & MOUSE_SHIFT) != 0) 5452 p = vim_strsave(fnames[0]); 5453 else 5454 p = NULL; 5455 5456 /* Handle the drop, :edit or :split to get to the file. This also 5457 * frees fnames[]. Skip this if there is only one item it's a 5458 * directory and Shift is held down. */ 5459 if (count == 1 && (modifiers & MOUSE_SHIFT) != 0 5460 && mch_isdir(fnames[0])) 5461 { 5462 vim_free(fnames[0]); 5463 vim_free(fnames); 5464 } 5465 else 5466 handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0); 5467 5468 /* If Shift held down, change to first file's directory. If the first 5469 * item is a directory, change to that directory (and let the explorer 5470 * plugin show the contents). */ 5471 if (p != NULL) 5472 { 5473 if (mch_isdir(p)) 5474 { 5475 if (mch_chdir((char *)p) == 0) 5476 shorten_fnames(TRUE); 5477 } 5478 else if (vim_chdirfile(p) == OK) 5479 shorten_fnames(TRUE); 5480 vim_free(p); 5481 } 5482 5483 /* Update the screen display */ 5484 update_screen(NOT_VALID); 5485 # ifdef FEAT_MENU 5486 gui_update_menus(0); 5487 # endif 5488 #ifdef FEAT_TITLE 5489 maketitle(); 5490 #endif 5491 setcursor(); 5492 out_flush(); 5493 gui_update_cursor(FALSE, FALSE); 5494 gui_mch_flush(); 5495 } 5496 5497 entered = FALSE; 5498 } 5499 #endif 5500