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(TRUE, 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(TRUE, 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_GUI 742 /* Always create the Balloon Evaluation area, but disable it when 743 * 'ballooneval' is off. */ 744 if (balloonEval != NULL) 745 vim_free(balloonEval); 746 balloonEvalForTerm = FALSE; 747 # ifdef FEAT_GUI_GTK 748 balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL, 749 &general_beval_cb, NULL); 750 # else 751 # if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) 752 { 753 extern Widget textArea; 754 balloonEval = gui_mch_create_beval_area(textArea, NULL, 755 &general_beval_cb, NULL); 756 } 757 # else 758 # ifdef FEAT_GUI_W32 759 balloonEval = gui_mch_create_beval_area(NULL, NULL, 760 &general_beval_cb, NULL); 761 # endif 762 # endif 763 # endif 764 if (!p_beval) 765 gui_mch_disable_beval_area(balloonEval); 766 #endif 767 768 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) 769 if (!im_xim_isvalid_imactivate()) 770 EMSG(_("E599: Value of 'imactivatekey' is invalid")); 771 #endif 772 /* When 'cmdheight' was set during startup it may not have taken 773 * effect yet. */ 774 if (p_ch != 1L) 775 command_height(); 776 777 return; 778 } 779 780 error2: 781 #ifdef FEAT_GUI_X11 782 /* undo gui_mch_init() */ 783 gui_mch_uninit(); 784 #endif 785 786 error: 787 gui.in_use = FALSE; 788 clip_init(FALSE); 789 } 790 791 792 void 793 gui_exit(int rc) 794 { 795 /* don't free the fonts, it leads to a BUS error 796 * [email protected] Jul 99 */ 797 free_highlight_fonts(); 798 gui.in_use = FALSE; 799 gui_mch_exit(rc); 800 } 801 802 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \ 803 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(PROTO) 804 # define NEED_GUI_UPDATE_SCREEN 1 805 /* 806 * Called when the GUI shell is closed by the user. If there are no changed 807 * files Vim exits, otherwise there will be a dialog to ask the user what to 808 * do. 809 * When this function returns, Vim should NOT exit! 810 */ 811 void 812 gui_shell_closed(void) 813 { 814 cmdmod_T save_cmdmod; 815 816 save_cmdmod = cmdmod; 817 818 /* Only exit when there are no changed files */ 819 exiting = TRUE; 820 # ifdef FEAT_BROWSE 821 cmdmod.browse = TRUE; 822 # endif 823 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 824 cmdmod.confirm = TRUE; 825 # endif 826 /* If there are changed buffers, present the user with a dialog if 827 * possible, otherwise give an error message. */ 828 if (!check_changed_any(FALSE, FALSE)) 829 getout(0); 830 831 exiting = FALSE; 832 cmdmod = save_cmdmod; 833 gui_update_screen(); /* redraw, window may show changed buffer */ 834 } 835 #endif 836 837 /* 838 * Set the font. "font_list" is a comma separated list of font names. The 839 * first font name that works is used. If none is found, use the default 840 * font. 841 * If "fontset" is TRUE, the "font_list" is used as one name for the fontset. 842 * Return OK when able to set the font. When it failed FAIL is returned and 843 * the fonts are unchanged. 844 */ 845 int 846 gui_init_font(char_u *font_list, int fontset UNUSED) 847 { 848 #define FONTLEN 320 849 char_u font_name[FONTLEN]; 850 int font_list_empty = FALSE; 851 int ret = FAIL; 852 853 if (!gui.in_use) 854 return FAIL; 855 856 font_name[0] = NUL; 857 if (*font_list == NUL) 858 font_list_empty = TRUE; 859 else 860 { 861 #ifdef FEAT_XFONTSET 862 /* When using a fontset, the whole list of fonts is one name. */ 863 if (fontset) 864 ret = gui_mch_init_font(font_list, TRUE); 865 else 866 #endif 867 while (*font_list != NUL) 868 { 869 /* Isolate one comma separated font name. */ 870 (void)copy_option_part(&font_list, font_name, FONTLEN, ","); 871 872 /* Careful!!! The Win32 version of gui_mch_init_font(), when 873 * called with "*" will change p_guifont to the selected font 874 * name, which frees the old value. This makes font_list 875 * invalid. Thus when OK is returned here, font_list must no 876 * longer be used! */ 877 if (gui_mch_init_font(font_name, FALSE) == OK) 878 { 879 #if defined(FEAT_MBYTE) && !defined(FEAT_GUI_GTK) 880 /* If it's a Unicode font, try setting 'guifontwide' to a 881 * similar double-width font. */ 882 if ((p_guifontwide == NULL || *p_guifontwide == NUL) 883 && strstr((char *)font_name, "10646") != NULL) 884 set_guifontwide(font_name); 885 #endif 886 ret = OK; 887 break; 888 } 889 } 890 } 891 892 if (ret != OK 893 && STRCMP(font_list, "*") != 0 894 && (font_list_empty || gui.norm_font == NOFONT)) 895 { 896 /* 897 * Couldn't load any font in 'font_list', keep the current font if 898 * there is one. If 'font_list' is empty, or if there is no current 899 * font, tell gui_mch_init_font() to try to find a font we can load. 900 */ 901 ret = gui_mch_init_font(NULL, FALSE); 902 } 903 904 if (ret == OK) 905 { 906 #ifndef FEAT_GUI_GTK 907 /* Set normal font as current font */ 908 # ifdef FEAT_XFONTSET 909 if (gui.fontset != NOFONTSET) 910 gui_mch_set_fontset(gui.fontset); 911 else 912 # endif 913 gui_mch_set_font(gui.norm_font); 914 #endif 915 gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH); 916 } 917 918 return ret; 919 } 920 921 #if defined(FEAT_MBYTE) || defined(PROTO) 922 # ifndef FEAT_GUI_GTK 923 /* 924 * Try setting 'guifontwide' to a font twice as wide as "name". 925 */ 926 static void 927 set_guifontwide(char_u *name) 928 { 929 int i = 0; 930 char_u wide_name[FONTLEN + 10]; /* room for 2 * width and '*' */ 931 char_u *wp = NULL; 932 char_u *p; 933 GuiFont font; 934 935 wp = wide_name; 936 for (p = name; *p != NUL; ++p) 937 { 938 *wp++ = *p; 939 if (*p == '-') 940 { 941 ++i; 942 if (i == 6) /* font type: change "--" to "-*-" */ 943 { 944 if (p[1] == '-') 945 *wp++ = '*'; 946 } 947 else if (i == 12) /* found the width */ 948 { 949 ++p; 950 i = getdigits(&p); 951 if (i != 0) 952 { 953 /* Double the width specification. */ 954 sprintf((char *)wp, "%d%s", i * 2, p); 955 font = gui_mch_get_font(wide_name, FALSE); 956 if (font != NOFONT) 957 { 958 gui_mch_free_font(gui.wide_font); 959 gui.wide_font = font; 960 set_string_option_direct((char_u *)"gfw", -1, 961 wide_name, OPT_FREE, 0); 962 } 963 } 964 break; 965 } 966 } 967 } 968 } 969 # endif /* !FEAT_GUI_GTK */ 970 971 /* 972 * Get the font for 'guifontwide'. 973 * Return FAIL for an invalid font name. 974 */ 975 int 976 gui_get_wide_font(void) 977 { 978 GuiFont font = NOFONT; 979 char_u font_name[FONTLEN]; 980 char_u *p; 981 982 if (!gui.in_use) /* Can't allocate font yet, assume it's OK. */ 983 return OK; /* Will give an error message later. */ 984 985 if (p_guifontwide != NULL && *p_guifontwide != NUL) 986 { 987 for (p = p_guifontwide; *p != NUL; ) 988 { 989 /* Isolate one comma separated font name. */ 990 (void)copy_option_part(&p, font_name, FONTLEN, ","); 991 font = gui_mch_get_font(font_name, FALSE); 992 if (font != NOFONT) 993 break; 994 } 995 if (font == NOFONT) 996 return FAIL; 997 } 998 999 gui_mch_free_font(gui.wide_font); 1000 # ifdef FEAT_GUI_GTK 1001 /* Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. */ 1002 if (font != NOFONT && gui.norm_font != NOFONT 1003 && pango_font_description_equal(font, gui.norm_font)) 1004 { 1005 gui.wide_font = NOFONT; 1006 gui_mch_free_font(font); 1007 } 1008 else 1009 # endif 1010 gui.wide_font = font; 1011 # ifdef FEAT_GUI_MSWIN 1012 gui_mch_wide_font_changed(); 1013 # else 1014 /* 1015 * TODO: setup wide_bold_font, wide_ital_font and wide_boldital_font to 1016 * support those fonts for 'guifontwide'. 1017 */ 1018 # endif 1019 return OK; 1020 } 1021 #endif 1022 1023 void 1024 gui_set_cursor(int row, int col) 1025 { 1026 gui.row = row; 1027 gui.col = col; 1028 } 1029 1030 /* 1031 * gui_check_pos - check if the cursor is on the screen. 1032 */ 1033 static void 1034 gui_check_pos(void) 1035 { 1036 if (gui.row >= screen_Rows) 1037 gui.row = screen_Rows - 1; 1038 if (gui.col >= screen_Columns) 1039 gui.col = screen_Columns - 1; 1040 if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns) 1041 gui.cursor_is_valid = FALSE; 1042 } 1043 1044 /* 1045 * Redraw the cursor if necessary or when forced. 1046 * Careful: The contents of ScreenLines[] must match what is on the screen, 1047 * otherwise this goes wrong. May need to call out_flush() first. 1048 */ 1049 void 1050 gui_update_cursor( 1051 int force, /* when TRUE, update even when not moved */ 1052 int clear_selection)/* clear selection under cursor */ 1053 { 1054 int cur_width = 0; 1055 int cur_height = 0; 1056 int old_hl_mask; 1057 cursorentry_T *shape; 1058 int id; 1059 #ifdef FEAT_TERMINAL 1060 guicolor_T shape_fg = INVALCOLOR; 1061 guicolor_T shape_bg = INVALCOLOR; 1062 #endif 1063 guicolor_T cfg, cbg, cc; /* cursor fore-/background color */ 1064 int cattr; /* cursor attributes */ 1065 int attr; 1066 attrentry_T *aep = NULL; 1067 1068 /* Don't update the cursor when halfway busy scrolling or the screen size 1069 * doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then. */ 1070 if (!can_update_cursor || screen_Columns != gui.num_cols 1071 || screen_Rows != gui.num_rows) 1072 return; 1073 1074 gui_check_pos(); 1075 if (!gui.cursor_is_valid || force 1076 || gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1077 { 1078 gui_undraw_cursor(); 1079 if (gui.row < 0) 1080 return; 1081 #ifdef FEAT_MBYTE 1082 if (gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1083 im_set_position(gui.row, gui.col); 1084 #endif 1085 gui.cursor_row = gui.row; 1086 gui.cursor_col = gui.col; 1087 1088 /* Only write to the screen after ScreenLines[] has been initialized */ 1089 if (!screen_cleared || ScreenLines == NULL) 1090 return; 1091 1092 /* Clear the selection if we are about to write over it */ 1093 if (clear_selection) 1094 clip_may_clear_selection(gui.row, gui.row); 1095 /* Check that the cursor is inside the shell (resizing may have made 1096 * it invalid) */ 1097 if (gui.row >= screen_Rows || gui.col >= screen_Columns) 1098 return; 1099 1100 gui.cursor_is_valid = TRUE; 1101 1102 /* 1103 * How the cursor is drawn depends on the current mode. 1104 * When in a terminal window use the shape/color specified there. 1105 */ 1106 #ifdef FEAT_TERMINAL 1107 if (terminal_is_active()) 1108 shape = term_get_cursor_shape(&shape_fg, &shape_bg); 1109 else 1110 #endif 1111 shape = &shape_table[get_shape_idx(FALSE)]; 1112 if (State & LANGMAP) 1113 id = shape->id_lm; 1114 else 1115 id = shape->id; 1116 1117 /* get the colors and attributes for the cursor. Default is inverted */ 1118 cfg = INVALCOLOR; 1119 cbg = INVALCOLOR; 1120 cattr = HL_INVERSE; 1121 gui_mch_set_blinking(shape->blinkwait, 1122 shape->blinkon, 1123 shape->blinkoff); 1124 if (shape->blinkwait == 0 || shape->blinkon == 0 1125 || shape->blinkoff == 0) 1126 gui_mch_stop_blink(); 1127 #ifdef FEAT_TERMINAL 1128 if (shape_bg != INVALCOLOR) 1129 { 1130 cattr = 0; 1131 cfg = shape_fg; 1132 cbg = shape_bg; 1133 } 1134 else 1135 #endif 1136 if (id > 0) 1137 { 1138 cattr = syn_id2colors(id, &cfg, &cbg); 1139 #if defined(FEAT_MBYTE) || defined(FEAT_HANGULIN) 1140 { 1141 static int iid; 1142 guicolor_T fg, bg; 1143 1144 if ( 1145 # if defined(FEAT_GUI_GTK) && !defined(FEAT_HANGULIN) 1146 preedit_get_status() 1147 # else 1148 im_get_status() 1149 # endif 1150 ) 1151 { 1152 iid = syn_name2id((char_u *)"CursorIM"); 1153 if (iid > 0) 1154 { 1155 syn_id2colors(iid, &fg, &bg); 1156 if (bg != INVALCOLOR) 1157 cbg = bg; 1158 if (fg != INVALCOLOR) 1159 cfg = fg; 1160 } 1161 } 1162 } 1163 #endif 1164 } 1165 1166 /* 1167 * Get the attributes for the character under the cursor. 1168 * When no cursor color was given, use the character color. 1169 */ 1170 attr = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1171 if (attr > HL_ALL) 1172 aep = syn_gui_attr2entry(attr); 1173 if (aep != NULL) 1174 { 1175 attr = aep->ae_attr; 1176 if (cfg == INVALCOLOR) 1177 cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1178 : aep->ae_u.gui.fg_color); 1179 if (cbg == INVALCOLOR) 1180 cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1181 : aep->ae_u.gui.bg_color); 1182 } 1183 if (cfg == INVALCOLOR) 1184 cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel; 1185 if (cbg == INVALCOLOR) 1186 cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel; 1187 1188 #ifdef FEAT_XIM 1189 if (aep != NULL) 1190 { 1191 xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1192 : aep->ae_u.gui.bg_color); 1193 xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1194 : aep->ae_u.gui.fg_color); 1195 if (xim_bg_color == INVALCOLOR) 1196 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1197 : gui.back_pixel; 1198 if (xim_fg_color == INVALCOLOR) 1199 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1200 : gui.norm_pixel; 1201 } 1202 else 1203 { 1204 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1205 : gui.back_pixel; 1206 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1207 : gui.norm_pixel; 1208 } 1209 #endif 1210 1211 attr &= ~HL_INVERSE; 1212 if (cattr & HL_INVERSE) 1213 { 1214 cc = cbg; 1215 cbg = cfg; 1216 cfg = cc; 1217 } 1218 cattr &= ~HL_INVERSE; 1219 1220 /* 1221 * When we don't have window focus, draw a hollow cursor. 1222 */ 1223 if (!gui.in_focus) 1224 { 1225 gui_mch_draw_hollow_cursor(cbg); 1226 return; 1227 } 1228 1229 old_hl_mask = gui.highlight_mask; 1230 if (shape->shape == SHAPE_BLOCK 1231 #ifdef FEAT_HANGULIN 1232 || composing_hangul 1233 #endif 1234 ) 1235 { 1236 /* 1237 * Draw the text character with the cursor colors. Use the 1238 * character attributes plus the cursor attributes. 1239 */ 1240 gui.highlight_mask = (cattr | attr); 1241 #ifdef FEAT_HANGULIN 1242 if (composing_hangul) 1243 { 1244 char_u *comp_buf; 1245 int comp_len; 1246 1247 comp_buf = hangul_composing_buffer_get(&comp_len); 1248 if (comp_buf) 1249 { 1250 (void)gui_outstr_nowrap(comp_buf, comp_len, 1251 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, 1252 cfg, cbg, 0); 1253 vim_free(comp_buf); 1254 } 1255 } 1256 else 1257 #endif 1258 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1259 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0); 1260 } 1261 else 1262 { 1263 #if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT) 1264 int col_off = FALSE; 1265 #endif 1266 /* 1267 * First draw the partial cursor, then overwrite with the text 1268 * character, using a transparent background. 1269 */ 1270 if (shape->shape == SHAPE_VER) 1271 { 1272 cur_height = gui.char_height; 1273 cur_width = (gui.char_width * shape->percentage + 99) / 100; 1274 } 1275 else 1276 { 1277 cur_height = (gui.char_height * shape->percentage + 99) / 100; 1278 cur_width = gui.char_width; 1279 } 1280 #ifdef FEAT_MBYTE 1281 if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col, 1282 LineOffset[gui.row] + screen_Columns) > 1) 1283 { 1284 /* Double wide character. */ 1285 if (shape->shape != SHAPE_VER) 1286 cur_width += gui.char_width; 1287 # ifdef FEAT_RIGHTLEFT 1288 if (CURSOR_BAR_RIGHT) 1289 { 1290 /* gui.col points to the left halve of the character but 1291 * the vertical line needs to be on the right halve. 1292 * A double-wide horizontal line is also drawn from the 1293 * right halve in gui_mch_draw_part_cursor(). */ 1294 col_off = TRUE; 1295 ++gui.col; 1296 } 1297 # endif 1298 } 1299 #endif 1300 gui_mch_draw_part_cursor(cur_width, cur_height, cbg); 1301 #if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT) 1302 if (col_off) 1303 --gui.col; 1304 #endif 1305 1306 #ifndef FEAT_GUI_MSWIN /* doesn't seem to work for MSWindows */ 1307 gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1308 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1309 GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR, 1310 (guicolor_T)0, (guicolor_T)0, 0); 1311 #endif 1312 } 1313 gui.highlight_mask = old_hl_mask; 1314 } 1315 } 1316 1317 #if defined(FEAT_MENU) || defined(PROTO) 1318 void 1319 gui_position_menu(void) 1320 { 1321 # if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) 1322 if (gui.menu_is_active && gui.in_use) 1323 gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height); 1324 # endif 1325 } 1326 #endif 1327 1328 /* 1329 * Position the various GUI components (text area, menu). The vertical 1330 * scrollbars are NOT handled here. See gui_update_scrollbars(). 1331 */ 1332 static void 1333 gui_position_components(int total_width UNUSED) 1334 { 1335 int text_area_x; 1336 int text_area_y; 1337 int text_area_width; 1338 int text_area_height; 1339 1340 /* avoid that moving components around generates events */ 1341 ++hold_gui_events; 1342 1343 text_area_x = 0; 1344 if (gui.which_scrollbars[SBAR_LEFT]) 1345 text_area_x += gui.scrollbar_width; 1346 1347 text_area_y = 0; 1348 #if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON)) 1349 gui.menu_width = total_width; 1350 if (gui.menu_is_active) 1351 text_area_y += gui.menu_height; 1352 #endif 1353 #if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN) 1354 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1355 text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 1356 #endif 1357 1358 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1359 || defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MAC)) 1360 if (gui_has_tabline()) 1361 text_area_y += gui.tabline_height; 1362 #endif 1363 1364 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) 1365 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1366 { 1367 # ifdef FEAT_GUI_ATHENA 1368 gui_mch_set_toolbar_pos(0, text_area_y, 1369 gui.menu_width, gui.toolbar_height); 1370 # endif 1371 text_area_y += gui.toolbar_height; 1372 } 1373 #endif 1374 1375 text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2; 1376 text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2; 1377 1378 gui_mch_set_text_area_pos(text_area_x, 1379 text_area_y, 1380 text_area_width, 1381 text_area_height 1382 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1383 + xim_get_status_area_height() 1384 #endif 1385 ); 1386 #ifdef FEAT_MENU 1387 gui_position_menu(); 1388 #endif 1389 if (gui.which_scrollbars[SBAR_BOTTOM]) 1390 gui_mch_set_scrollbar_pos(&gui.bottom_sbar, 1391 text_area_x, 1392 text_area_y + text_area_height, 1393 text_area_width, 1394 gui.scrollbar_height); 1395 gui.left_sbar_x = 0; 1396 gui.right_sbar_x = text_area_x + text_area_width; 1397 1398 --hold_gui_events; 1399 } 1400 1401 /* 1402 * Get the width of the widgets and decorations to the side of the text area. 1403 */ 1404 int 1405 gui_get_base_width(void) 1406 { 1407 int base_width; 1408 1409 base_width = 2 * gui.border_offset; 1410 if (gui.which_scrollbars[SBAR_LEFT]) 1411 base_width += gui.scrollbar_width; 1412 if (gui.which_scrollbars[SBAR_RIGHT]) 1413 base_width += gui.scrollbar_width; 1414 return base_width; 1415 } 1416 1417 /* 1418 * Get the height of the widgets and decorations above and below the text area. 1419 */ 1420 int 1421 gui_get_base_height(void) 1422 { 1423 int base_height; 1424 1425 base_height = 2 * gui.border_offset; 1426 if (gui.which_scrollbars[SBAR_BOTTOM]) 1427 base_height += gui.scrollbar_height; 1428 #ifdef FEAT_GUI_GTK 1429 /* We can't take the sizes properly into account until anything is 1430 * realized. Therefore we recalculate all the values here just before 1431 * setting the size. (--mdcki) */ 1432 #else 1433 # ifdef FEAT_MENU 1434 if (gui.menu_is_active) 1435 base_height += gui.menu_height; 1436 # endif 1437 # ifdef FEAT_TOOLBAR 1438 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1439 # if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR) 1440 base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT); 1441 # else 1442 base_height += gui.toolbar_height; 1443 # endif 1444 # endif 1445 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1446 || defined(FEAT_GUI_MOTIF)) 1447 if (gui_has_tabline()) 1448 base_height += gui.tabline_height; 1449 # endif 1450 # ifdef FEAT_FOOTER 1451 if (vim_strchr(p_go, GO_FOOTER) != NULL) 1452 base_height += gui.footer_height; 1453 # endif 1454 # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 1455 base_height += gui_mch_text_area_extra_height(); 1456 # endif 1457 #endif 1458 return base_height; 1459 } 1460 1461 /* 1462 * Should be called after the GUI shell has been resized. Its arguments are 1463 * the new width and height of the shell in pixels. 1464 */ 1465 void 1466 gui_resize_shell(int pixel_width, int pixel_height) 1467 { 1468 static int busy = FALSE; 1469 1470 if (!gui.shell_created) /* ignore when still initializing */ 1471 return; 1472 1473 /* 1474 * Can't resize the screen while it is being redrawn. Remember the new 1475 * size and handle it later. 1476 */ 1477 if (updating_screen || busy) 1478 { 1479 new_pixel_width = pixel_width; 1480 new_pixel_height = pixel_height; 1481 return; 1482 } 1483 1484 again: 1485 new_pixel_width = 0; 1486 new_pixel_height = 0; 1487 busy = TRUE; 1488 1489 /* Flush pending output before redrawing */ 1490 out_flush(); 1491 1492 gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width; 1493 gui.num_rows = (pixel_height - gui_get_base_height()) / gui.char_height; 1494 1495 gui_position_components(pixel_width); 1496 gui_reset_scroll_region(); 1497 1498 /* 1499 * At the "more" and ":confirm" prompt there is no redraw, put the cursor 1500 * at the last line here (why does it have to be one row too low?). 1501 */ 1502 if (State == ASKMORE || State == CONFIRM) 1503 gui.row = gui.num_rows; 1504 1505 /* Only comparing Rows and Columns may be sufficient, but let's stay on 1506 * the safe side. */ 1507 if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns 1508 || gui.num_rows != Rows || gui.num_cols != Columns) 1509 shell_resized(); 1510 1511 gui_update_scrollbars(TRUE); 1512 gui_update_cursor(FALSE, TRUE); 1513 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1514 xim_set_status_area(); 1515 #endif 1516 1517 busy = FALSE; 1518 1519 /* We may have been called again while redrawing the screen. 1520 * Need to do it all again with the latest size then. But only if the size 1521 * actually changed. */ 1522 if (new_pixel_height) 1523 { 1524 if (pixel_width == new_pixel_width && pixel_height == new_pixel_height) 1525 { 1526 new_pixel_width = 0; 1527 new_pixel_height = 0; 1528 } 1529 else 1530 { 1531 pixel_width = new_pixel_width; 1532 pixel_height = new_pixel_height; 1533 goto again; 1534 } 1535 } 1536 } 1537 1538 /* 1539 * Check if gui_resize_shell() must be called. 1540 */ 1541 void 1542 gui_may_resize_shell(void) 1543 { 1544 if (new_pixel_height) 1545 /* careful: gui_resize_shell() may postpone the resize again if we 1546 * were called indirectly by it */ 1547 gui_resize_shell(new_pixel_width, new_pixel_height); 1548 } 1549 1550 int 1551 gui_get_shellsize(void) 1552 { 1553 Rows = gui.num_rows; 1554 Columns = gui.num_cols; 1555 return OK; 1556 } 1557 1558 /* 1559 * Set the size of the Vim shell according to Rows and Columns. 1560 * If "fit_to_display" is TRUE then the size may be reduced to fit the window 1561 * on the screen. 1562 * When "mustset" is TRUE the size was set by the user. When FALSE a UI 1563 * component was added or removed (e.g., a scrollbar). 1564 */ 1565 void 1566 gui_set_shellsize( 1567 int mustset UNUSED, 1568 int fit_to_display, 1569 int direction) /* RESIZE_HOR, RESIZE_VER */ 1570 { 1571 int base_width; 1572 int base_height; 1573 int width; 1574 int height; 1575 int min_width; 1576 int min_height; 1577 int screen_w; 1578 int screen_h; 1579 #ifdef FEAT_GUI_GTK 1580 int un_maximize = mustset; 1581 int did_adjust = 0; 1582 #endif 1583 int x = -1, y = -1; 1584 1585 if (!gui.shell_created) 1586 return; 1587 1588 #if defined(MSWIN) || defined(FEAT_GUI_GTK) 1589 /* If not setting to a user specified size and maximized, calculate the 1590 * number of characters that fit in the maximized window. */ 1591 if (!mustset && (vim_strchr(p_go, GO_KEEPWINSIZE) != NULL 1592 || gui_mch_maximized())) 1593 { 1594 gui_mch_newfont(); 1595 return; 1596 } 1597 #endif 1598 1599 base_width = gui_get_base_width(); 1600 base_height = gui_get_base_height(); 1601 if (fit_to_display) 1602 /* Remember the original window position. */ 1603 (void)gui_mch_get_winpos(&x, &y); 1604 1605 #ifdef USE_SUN_WORKSHOP 1606 if (!mustset && usingSunWorkShop 1607 && workshop_get_width_height(&width, &height)) 1608 { 1609 Columns = (width - base_width + gui.char_width - 1) / gui.char_width; 1610 Rows = (height - base_height + gui.char_height - 1) / gui.char_height; 1611 } 1612 else 1613 #endif 1614 { 1615 width = Columns * gui.char_width + base_width; 1616 height = Rows * gui.char_height + base_height; 1617 } 1618 1619 if (fit_to_display) 1620 { 1621 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1622 if ((direction & RESIZE_HOR) && width > screen_w) 1623 { 1624 Columns = (screen_w - base_width) / gui.char_width; 1625 if (Columns < MIN_COLUMNS) 1626 Columns = MIN_COLUMNS; 1627 width = Columns * gui.char_width + base_width; 1628 #ifdef FEAT_GUI_GTK 1629 ++did_adjust; 1630 #endif 1631 } 1632 if ((direction & RESIZE_VERT) && height > screen_h) 1633 { 1634 Rows = (screen_h - base_height) / gui.char_height; 1635 check_shellsize(); 1636 height = Rows * gui.char_height + base_height; 1637 #ifdef FEAT_GUI_GTK 1638 ++did_adjust; 1639 #endif 1640 } 1641 #ifdef FEAT_GUI_GTK 1642 if (did_adjust == 2 || (width + gui.char_width >= screen_w 1643 && height + gui.char_height >= screen_h)) 1644 /* don't unmaximize if at maximum size */ 1645 un_maximize = FALSE; 1646 #endif 1647 } 1648 limit_screen_size(); 1649 gui.num_cols = Columns; 1650 gui.num_rows = Rows; 1651 1652 min_width = base_width + MIN_COLUMNS * gui.char_width; 1653 min_height = base_height + MIN_LINES * gui.char_height; 1654 min_height += tabline_height() * gui.char_height; 1655 1656 #ifdef FEAT_GUI_GTK 1657 if (un_maximize) 1658 { 1659 /* If the window size is smaller than the screen unmaximize the 1660 * window, otherwise resizing won't work. */ 1661 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1662 if ((width + gui.char_width < screen_w 1663 || height + gui.char_height * 2 < screen_h) 1664 && gui_mch_maximized()) 1665 gui_mch_unmaximize(); 1666 } 1667 #endif 1668 1669 gui_mch_set_shellsize(width, height, min_width, min_height, 1670 base_width, base_height, direction); 1671 1672 if (fit_to_display && x >= 0 && y >= 0) 1673 { 1674 /* Some window managers put the Vim window left of/above the screen. 1675 * Only change the position if it wasn't already negative before 1676 * (happens on MS-Windows with a secondary monitor). */ 1677 gui_mch_update(); 1678 if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0)) 1679 gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y); 1680 } 1681 1682 gui_position_components(width); 1683 gui_update_scrollbars(TRUE); 1684 gui_reset_scroll_region(); 1685 } 1686 1687 /* 1688 * Called when Rows and/or Columns has changed. 1689 */ 1690 void 1691 gui_new_shellsize(void) 1692 { 1693 gui_reset_scroll_region(); 1694 } 1695 1696 /* 1697 * Make scroll region cover whole screen. 1698 */ 1699 void 1700 gui_reset_scroll_region(void) 1701 { 1702 gui.scroll_region_top = 0; 1703 gui.scroll_region_bot = gui.num_rows - 1; 1704 gui.scroll_region_left = 0; 1705 gui.scroll_region_right = gui.num_cols - 1; 1706 } 1707 1708 void 1709 gui_start_highlight(int mask) 1710 { 1711 if (mask > HL_ALL) /* highlight code */ 1712 gui.highlight_mask = mask; 1713 else /* mask */ 1714 gui.highlight_mask |= mask; 1715 } 1716 1717 void 1718 gui_stop_highlight(int mask) 1719 { 1720 if (mask > HL_ALL) /* highlight code */ 1721 gui.highlight_mask = HL_NORMAL; 1722 else /* mask */ 1723 gui.highlight_mask &= ~mask; 1724 } 1725 1726 /* 1727 * Clear a rectangular region of the screen from text pos (row1, col1) to 1728 * (row2, col2) inclusive. 1729 */ 1730 void 1731 gui_clear_block( 1732 int row1, 1733 int col1, 1734 int row2, 1735 int col2) 1736 { 1737 /* Clear the selection if we are about to write over it */ 1738 clip_may_clear_selection(row1, row2); 1739 1740 gui_mch_clear_block(row1, col1, row2, col2); 1741 1742 /* Invalidate cursor if it was in this block */ 1743 if ( gui.cursor_row >= row1 && gui.cursor_row <= row2 1744 && gui.cursor_col >= col1 && gui.cursor_col <= col2) 1745 gui.cursor_is_valid = FALSE; 1746 } 1747 1748 /* 1749 * Write code to update the cursor later. This avoids the need to flush the 1750 * output buffer before calling gui_update_cursor(). 1751 */ 1752 void 1753 gui_update_cursor_later(void) 1754 { 1755 OUT_STR(IF_EB("\033|s", ESC_STR "|s")); 1756 } 1757 1758 void 1759 gui_write( 1760 char_u *s, 1761 int len) 1762 { 1763 char_u *p; 1764 int arg1 = 0, arg2 = 0; 1765 int force_cursor = FALSE; /* force cursor update */ 1766 int force_scrollbar = FALSE; 1767 static win_T *old_curwin = NULL; 1768 1769 /* #define DEBUG_GUI_WRITE */ 1770 #ifdef DEBUG_GUI_WRITE 1771 { 1772 int i; 1773 char_u *str; 1774 1775 printf("gui_write(%d):\n ", len); 1776 for (i = 0; i < len; i++) 1777 if (s[i] == ESC) 1778 { 1779 if (i != 0) 1780 printf("\n "); 1781 printf("<ESC>"); 1782 } 1783 else 1784 { 1785 str = transchar_byte(s[i]); 1786 if (str[0] && str[1]) 1787 printf("<%s>", (char *)str); 1788 else 1789 printf("%s", (char *)str); 1790 } 1791 printf("\n"); 1792 } 1793 #endif 1794 while (len) 1795 { 1796 if (s[0] == ESC && s[1] == '|') 1797 { 1798 p = s + 2; 1799 if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(*(p + 1)))) 1800 { 1801 arg1 = getdigits(&p); 1802 if (p > s + len) 1803 break; 1804 if (*p == ';') 1805 { 1806 ++p; 1807 arg2 = getdigits(&p); 1808 if (p > s + len) 1809 break; 1810 } 1811 } 1812 switch (*p) 1813 { 1814 case 'C': /* Clear screen */ 1815 clip_scroll_selection(9999); 1816 gui_mch_clear_all(); 1817 gui.cursor_is_valid = FALSE; 1818 force_scrollbar = TRUE; 1819 break; 1820 case 'M': /* Move cursor */ 1821 gui_set_cursor(arg1, arg2); 1822 break; 1823 case 's': /* force cursor (shape) update */ 1824 force_cursor = TRUE; 1825 break; 1826 case 'R': /* Set scroll region */ 1827 if (arg1 < arg2) 1828 { 1829 gui.scroll_region_top = arg1; 1830 gui.scroll_region_bot = arg2; 1831 } 1832 else 1833 { 1834 gui.scroll_region_top = arg2; 1835 gui.scroll_region_bot = arg1; 1836 } 1837 break; 1838 case 'V': /* Set vertical scroll region */ 1839 if (arg1 < arg2) 1840 { 1841 gui.scroll_region_left = arg1; 1842 gui.scroll_region_right = arg2; 1843 } 1844 else 1845 { 1846 gui.scroll_region_left = arg2; 1847 gui.scroll_region_right = arg1; 1848 } 1849 break; 1850 case 'd': /* Delete line */ 1851 gui_delete_lines(gui.row, 1); 1852 break; 1853 case 'D': /* Delete lines */ 1854 gui_delete_lines(gui.row, arg1); 1855 break; 1856 case 'i': /* Insert line */ 1857 gui_insert_lines(gui.row, 1); 1858 break; 1859 case 'I': /* Insert lines */ 1860 gui_insert_lines(gui.row, arg1); 1861 break; 1862 case '$': /* Clear to end-of-line */ 1863 gui_clear_block(gui.row, gui.col, gui.row, 1864 (int)Columns - 1); 1865 break; 1866 case 'h': /* Turn on highlighting */ 1867 gui_start_highlight(arg1); 1868 break; 1869 case 'H': /* Turn off highlighting */ 1870 gui_stop_highlight(arg1); 1871 break; 1872 case 'f': /* flash the window (visual bell) */ 1873 gui_mch_flash(arg1 == 0 ? 20 : arg1); 1874 break; 1875 default: 1876 p = s + 1; /* Skip the ESC */ 1877 break; 1878 } 1879 len -= (int)(++p - s); 1880 s = p; 1881 } 1882 else if ( 1883 #ifdef EBCDIC 1884 CtrlChar(s[0]) != 0 /* Ctrl character */ 1885 #else 1886 s[0] < 0x20 /* Ctrl character */ 1887 #endif 1888 #ifdef FEAT_SIGN_ICONS 1889 && s[0] != SIGN_BYTE 1890 # ifdef FEAT_NETBEANS_INTG 1891 && s[0] != MULTISIGN_BYTE 1892 # endif 1893 #endif 1894 ) 1895 { 1896 if (s[0] == '\n') /* NL */ 1897 { 1898 gui.col = 0; 1899 if (gui.row < gui.scroll_region_bot) 1900 gui.row++; 1901 else 1902 gui_delete_lines(gui.scroll_region_top, 1); 1903 } 1904 else if (s[0] == '\r') /* CR */ 1905 { 1906 gui.col = 0; 1907 } 1908 else if (s[0] == '\b') /* Backspace */ 1909 { 1910 if (gui.col) 1911 --gui.col; 1912 } 1913 else if (s[0] == Ctrl_L) /* cursor-right */ 1914 { 1915 ++gui.col; 1916 } 1917 else if (s[0] == Ctrl_G) /* Beep */ 1918 { 1919 gui_mch_beep(); 1920 } 1921 /* Other Ctrl character: shouldn't happen! */ 1922 1923 --len; /* Skip this char */ 1924 ++s; 1925 } 1926 else 1927 { 1928 p = s; 1929 while (len > 0 && ( 1930 #ifdef EBCDIC 1931 CtrlChar(*p) == 0 1932 #else 1933 *p >= 0x20 1934 #endif 1935 #ifdef FEAT_SIGN_ICONS 1936 || *p == SIGN_BYTE 1937 # ifdef FEAT_NETBEANS_INTG 1938 || *p == MULTISIGN_BYTE 1939 # endif 1940 #endif 1941 )) 1942 { 1943 len--; 1944 p++; 1945 } 1946 gui_outstr(s, (int)(p - s)); 1947 s = p; 1948 } 1949 } 1950 1951 /* Postponed update of the cursor (won't work if "can_update_cursor" isn't 1952 * set). */ 1953 if (force_cursor) 1954 gui_update_cursor(TRUE, TRUE); 1955 1956 /* When switching to another window the dragging must have stopped. 1957 * Required for GTK, dragged_sb isn't reset. */ 1958 if (old_curwin != curwin) 1959 gui.dragged_sb = SBAR_NONE; 1960 1961 /* Update the scrollbars after clearing the screen or when switched 1962 * to another window. 1963 * Update the horizontal scrollbar always, it's difficult to check all 1964 * situations where it might change. */ 1965 if (force_scrollbar || old_curwin != curwin) 1966 gui_update_scrollbars(force_scrollbar); 1967 else 1968 gui_update_horiz_scrollbar(FALSE); 1969 old_curwin = curwin; 1970 1971 /* 1972 * We need to make sure this is cleared since Athena doesn't tell us when 1973 * he is done dragging. Do the same for GTK. 1974 */ 1975 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 1976 gui.dragged_sb = SBAR_NONE; 1977 #endif 1978 1979 gui_mch_flush(); /* In case vim decides to take a nap */ 1980 } 1981 1982 /* 1983 * When ScreenLines[] is invalid, updating the cursor should not be done, it 1984 * produces wrong results. Call gui_dont_update_cursor() before that code and 1985 * gui_can_update_cursor() afterwards. 1986 */ 1987 void 1988 gui_dont_update_cursor(int undraw) 1989 { 1990 if (gui.in_use) 1991 { 1992 /* Undraw the cursor now, we probably can't do it after the change. */ 1993 if (undraw) 1994 gui_undraw_cursor(); 1995 can_update_cursor = FALSE; 1996 } 1997 } 1998 1999 void 2000 gui_can_update_cursor(void) 2001 { 2002 can_update_cursor = TRUE; 2003 /* No need to update the cursor right now, there is always more output 2004 * after scrolling. */ 2005 } 2006 2007 static void 2008 gui_outstr(char_u *s, int len) 2009 { 2010 int this_len; 2011 #ifdef FEAT_MBYTE 2012 int cells; 2013 #endif 2014 2015 if (len == 0) 2016 return; 2017 2018 if (len < 0) 2019 len = (int)STRLEN(s); 2020 2021 while (len > 0) 2022 { 2023 #ifdef FEAT_MBYTE 2024 if (has_mbyte) 2025 { 2026 /* Find out how many chars fit in the current line. */ 2027 cells = 0; 2028 for (this_len = 0; this_len < len; ) 2029 { 2030 cells += (*mb_ptr2cells)(s + this_len); 2031 if (gui.col + cells > Columns) 2032 break; 2033 this_len += (*mb_ptr2len)(s + this_len); 2034 } 2035 if (this_len > len) 2036 this_len = len; /* don't include following composing char */ 2037 } 2038 else 2039 #endif 2040 if (gui.col + len > Columns) 2041 this_len = Columns - gui.col; 2042 else 2043 this_len = len; 2044 2045 (void)gui_outstr_nowrap(s, this_len, 2046 0, (guicolor_T)0, (guicolor_T)0, 0); 2047 s += this_len; 2048 len -= this_len; 2049 #ifdef FEAT_MBYTE 2050 /* fill up for a double-width char that doesn't fit. */ 2051 if (len > 0 && gui.col < Columns) 2052 (void)gui_outstr_nowrap((char_u *)" ", 1, 2053 0, (guicolor_T)0, (guicolor_T)0, 0); 2054 #endif 2055 /* The cursor may wrap to the next line. */ 2056 if (gui.col >= Columns) 2057 { 2058 gui.col = 0; 2059 gui.row++; 2060 } 2061 } 2062 } 2063 2064 /* 2065 * Output one character (may be one or two display cells). 2066 * Caller must check for valid "off". 2067 * Returns FAIL or OK, just like gui_outstr_nowrap(). 2068 */ 2069 static int 2070 gui_screenchar( 2071 int off, /* Offset from start of screen */ 2072 int flags, 2073 guicolor_T fg, /* colors for cursor */ 2074 guicolor_T bg, /* colors for cursor */ 2075 int back) /* backup this many chars when using bold trick */ 2076 { 2077 #ifdef FEAT_MBYTE 2078 char_u buf[MB_MAXBYTES + 1]; 2079 2080 /* Don't draw right halve of a double-width UTF-8 char. "cannot happen" */ 2081 if (enc_utf8 && ScreenLines[off] == 0) 2082 return OK; 2083 2084 if (enc_utf8 && ScreenLinesUC[off] != 0) 2085 /* Draw UTF-8 multi-byte character. */ 2086 return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf), 2087 flags, fg, bg, back); 2088 2089 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2090 { 2091 buf[0] = ScreenLines[off]; 2092 buf[1] = ScreenLines2[off]; 2093 return gui_outstr_nowrap(buf, 2, flags, fg, bg, back); 2094 } 2095 2096 /* Draw non-multi-byte character or DBCS character. */ 2097 return gui_outstr_nowrap(ScreenLines + off, 2098 enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1, 2099 flags, fg, bg, back); 2100 #else 2101 return gui_outstr_nowrap(ScreenLines + off, 1, flags, fg, bg, back); 2102 #endif 2103 } 2104 2105 #ifdef FEAT_GUI_GTK 2106 /* 2107 * Output the string at the given screen position. This is used in place 2108 * of gui_screenchar() where possible because Pango needs as much context 2109 * as possible to work nicely. It's a lot faster as well. 2110 */ 2111 static int 2112 gui_screenstr( 2113 int off, /* Offset from start of screen */ 2114 int len, /* string length in screen cells */ 2115 int flags, 2116 guicolor_T fg, /* colors for cursor */ 2117 guicolor_T bg, /* colors for cursor */ 2118 int back) /* backup this many chars when using bold trick */ 2119 { 2120 char_u *buf; 2121 int outlen = 0; 2122 int i; 2123 int retval; 2124 2125 if (len <= 0) /* "cannot happen"? */ 2126 return OK; 2127 2128 if (enc_utf8) 2129 { 2130 buf = alloc((unsigned)(len * MB_MAXBYTES + 1)); 2131 if (buf == NULL) 2132 return OK; /* not much we could do here... */ 2133 2134 for (i = off; i < off + len; ++i) 2135 { 2136 if (ScreenLines[i] == 0) 2137 continue; /* skip second half of double-width char */ 2138 2139 if (ScreenLinesUC[i] == 0) 2140 buf[outlen++] = ScreenLines[i]; 2141 else 2142 outlen += utfc_char2bytes(i, buf + outlen); 2143 } 2144 2145 buf[outlen] = NUL; /* only to aid debugging */ 2146 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2147 vim_free(buf); 2148 2149 return retval; 2150 } 2151 else if (enc_dbcs == DBCS_JPNU) 2152 { 2153 buf = alloc((unsigned)(len * 2 + 1)); 2154 if (buf == NULL) 2155 return OK; /* not much we could do here... */ 2156 2157 for (i = off; i < off + len; ++i) 2158 { 2159 buf[outlen++] = ScreenLines[i]; 2160 2161 /* handle double-byte single-width char */ 2162 if (ScreenLines[i] == 0x8e) 2163 buf[outlen++] = ScreenLines2[i]; 2164 else if (MB_BYTE2LEN(ScreenLines[i]) == 2) 2165 buf[outlen++] = ScreenLines[++i]; 2166 } 2167 2168 buf[outlen] = NUL; /* only to aid debugging */ 2169 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2170 vim_free(buf); 2171 2172 return retval; 2173 } 2174 else 2175 { 2176 return gui_outstr_nowrap(&ScreenLines[off], len, 2177 flags, fg, bg, back); 2178 } 2179 } 2180 #endif /* FEAT_GUI_GTK */ 2181 2182 /* 2183 * Output the given string at the current cursor position. If the string is 2184 * too long to fit on the line, then it is truncated. 2185 * "flags": 2186 * GUI_MON_IS_CURSOR should only be used when this function is being called to 2187 * actually draw (an inverted) cursor. 2188 * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparent 2189 * background. 2190 * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over 2191 * it. 2192 * Returns OK, unless "back" is non-zero and using the bold trick, then return 2193 * FAIL (the caller should start drawing "back" chars back). 2194 */ 2195 int 2196 gui_outstr_nowrap( 2197 char_u *s, 2198 int len, 2199 int flags, 2200 guicolor_T fg, /* colors for cursor */ 2201 guicolor_T bg, /* colors for cursor */ 2202 int back) /* backup this many chars when using bold trick */ 2203 { 2204 long_u highlight_mask; 2205 long_u hl_mask_todo; 2206 guicolor_T fg_color; 2207 guicolor_T bg_color; 2208 guicolor_T sp_color; 2209 #if !defined(FEAT_GUI_GTK) 2210 GuiFont font = NOFONT; 2211 # ifdef FEAT_MBYTE 2212 GuiFont wide_font = NOFONT; 2213 # endif 2214 # ifdef FEAT_XFONTSET 2215 GuiFontset fontset = NOFONTSET; 2216 # endif 2217 #endif 2218 attrentry_T *aep = NULL; 2219 int draw_flags; 2220 int col = gui.col; 2221 #ifdef FEAT_SIGN_ICONS 2222 int draw_sign = FALSE; 2223 # ifdef FEAT_NETBEANS_INTG 2224 int multi_sign = FALSE; 2225 # endif 2226 #endif 2227 2228 if (len < 0) 2229 len = (int)STRLEN(s); 2230 if (len == 0) 2231 return OK; 2232 2233 #ifdef FEAT_SIGN_ICONS 2234 if (*s == SIGN_BYTE 2235 # ifdef FEAT_NETBEANS_INTG 2236 || *s == MULTISIGN_BYTE 2237 # endif 2238 ) 2239 { 2240 # ifdef FEAT_NETBEANS_INTG 2241 if (*s == MULTISIGN_BYTE) 2242 multi_sign = TRUE; 2243 # endif 2244 /* draw spaces instead */ 2245 s = (char_u *)" "; 2246 if (len == 1 && col > 0) 2247 --col; 2248 len = 2; 2249 draw_sign = TRUE; 2250 highlight_mask = 0; 2251 } 2252 else 2253 #endif 2254 if (gui.highlight_mask > HL_ALL) 2255 { 2256 aep = syn_gui_attr2entry(gui.highlight_mask); 2257 if (aep == NULL) /* highlighting not set */ 2258 highlight_mask = 0; 2259 else 2260 highlight_mask = aep->ae_attr; 2261 } 2262 else 2263 highlight_mask = gui.highlight_mask; 2264 hl_mask_todo = highlight_mask; 2265 2266 #if !defined(FEAT_GUI_GTK) 2267 /* Set the font */ 2268 if (aep != NULL && aep->ae_u.gui.font != NOFONT) 2269 font = aep->ae_u.gui.font; 2270 # ifdef FEAT_XFONTSET 2271 else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET) 2272 fontset = aep->ae_u.gui.fontset; 2273 # endif 2274 else 2275 { 2276 # ifdef FEAT_XFONTSET 2277 if (gui.fontset != NOFONTSET) 2278 fontset = gui.fontset; 2279 else 2280 # endif 2281 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2282 { 2283 if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT) 2284 { 2285 font = gui.boldital_font; 2286 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC); 2287 } 2288 else if (gui.bold_font != NOFONT) 2289 { 2290 font = gui.bold_font; 2291 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT); 2292 } 2293 else 2294 font = gui.norm_font; 2295 } 2296 else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT) 2297 { 2298 font = gui.ital_font; 2299 hl_mask_todo &= ~HL_ITALIC; 2300 } 2301 else 2302 font = gui.norm_font; 2303 2304 # ifdef FEAT_MBYTE 2305 /* 2306 * Choose correct wide_font by font. wide_font should be set with font 2307 * at same time in above block. But it will make many "ifdef" nasty 2308 * blocks. So we do it here. 2309 */ 2310 if (font == gui.boldital_font && gui.wide_boldital_font) 2311 wide_font = gui.wide_boldital_font; 2312 else if (font == gui.bold_font && gui.wide_bold_font) 2313 wide_font = gui.wide_bold_font; 2314 else if (font == gui.ital_font && gui.wide_ital_font) 2315 wide_font = gui.wide_ital_font; 2316 else if (font == gui.norm_font && gui.wide_font) 2317 wide_font = gui.wide_font; 2318 # endif 2319 2320 } 2321 # ifdef FEAT_XFONTSET 2322 if (fontset != NOFONTSET) 2323 gui_mch_set_fontset(fontset); 2324 else 2325 # endif 2326 gui_mch_set_font(font); 2327 #endif 2328 2329 draw_flags = 0; 2330 2331 /* Set the color */ 2332 bg_color = gui.back_pixel; 2333 if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus) 2334 { 2335 draw_flags |= DRAW_CURSOR; 2336 fg_color = fg; 2337 bg_color = bg; 2338 sp_color = fg; 2339 } 2340 else if (aep != NULL) 2341 { 2342 fg_color = aep->ae_u.gui.fg_color; 2343 if (fg_color == INVALCOLOR) 2344 fg_color = gui.norm_pixel; 2345 bg_color = aep->ae_u.gui.bg_color; 2346 if (bg_color == INVALCOLOR) 2347 bg_color = gui.back_pixel; 2348 sp_color = aep->ae_u.gui.sp_color; 2349 if (sp_color == INVALCOLOR) 2350 sp_color = fg_color; 2351 } 2352 else 2353 { 2354 fg_color = gui.norm_pixel; 2355 sp_color = fg_color; 2356 } 2357 2358 if (highlight_mask & (HL_INVERSE | HL_STANDOUT)) 2359 { 2360 #if defined(AMIGA) 2361 gui_mch_set_colors(bg_color, fg_color); 2362 #else 2363 gui_mch_set_fg_color(bg_color); 2364 gui_mch_set_bg_color(fg_color); 2365 #endif 2366 } 2367 else 2368 { 2369 #if defined(AMIGA) 2370 gui_mch_set_colors(fg_color, bg_color); 2371 #else 2372 gui_mch_set_fg_color(fg_color); 2373 gui_mch_set_bg_color(bg_color); 2374 #endif 2375 } 2376 gui_mch_set_sp_color(sp_color); 2377 2378 /* Clear the selection if we are about to write over it */ 2379 if (!(flags & GUI_MON_NOCLEAR)) 2380 clip_may_clear_selection(gui.row, gui.row); 2381 2382 2383 /* If there's no bold font, then fake it */ 2384 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2385 draw_flags |= DRAW_BOLD; 2386 2387 /* 2388 * When drawing bold or italic characters the spill-over from the left 2389 * neighbor may be destroyed. Let the caller backup to start redrawing 2390 * just after a blank. 2391 */ 2392 if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC))) 2393 return FAIL; 2394 2395 #if defined(FEAT_GUI_GTK) 2396 /* If there's no italic font, then fake it. 2397 * For GTK2, we don't need a different font for italic style. */ 2398 if (hl_mask_todo & HL_ITALIC) 2399 draw_flags |= DRAW_ITALIC; 2400 2401 /* Do we underline the text? */ 2402 if (hl_mask_todo & HL_UNDERLINE) 2403 draw_flags |= DRAW_UNDERL; 2404 2405 #else 2406 /* Do we underline the text? */ 2407 if ((hl_mask_todo & HL_UNDERLINE) || (hl_mask_todo & HL_ITALIC)) 2408 draw_flags |= DRAW_UNDERL; 2409 #endif 2410 /* Do we undercurl the text? */ 2411 if (hl_mask_todo & HL_UNDERCURL) 2412 draw_flags |= DRAW_UNDERC; 2413 2414 /* Do we strikethrough the text? */ 2415 if (hl_mask_todo & HL_STRIKETHROUGH) 2416 draw_flags |= DRAW_STRIKE; 2417 2418 /* Do we draw transparently? */ 2419 if (flags & GUI_MON_TRS_CURSOR) 2420 draw_flags |= DRAW_TRANSP; 2421 2422 /* 2423 * Draw the text. 2424 */ 2425 #ifdef FEAT_GUI_GTK 2426 /* The value returned is the length in display cells */ 2427 len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags); 2428 #else 2429 # ifdef FEAT_MBYTE 2430 if (enc_utf8) 2431 { 2432 int start; /* index of bytes to be drawn */ 2433 int cells; /* cellwidth of bytes to be drawn */ 2434 int thislen; /* length of bytes to be drawn */ 2435 int cn; /* cellwidth of current char */ 2436 int i; /* index of current char */ 2437 int c; /* current char value */ 2438 int cl; /* byte length of current char */ 2439 int comping; /* current char is composing */ 2440 int scol = col; /* screen column */ 2441 int curr_wide = FALSE; /* use 'guifontwide' */ 2442 int prev_wide = FALSE; 2443 int wide_changed; 2444 # ifdef WIN3264 2445 int sep_comp = FALSE; /* Don't separate composing chars. */ 2446 # else 2447 int sep_comp = TRUE; /* Separate composing chars. */ 2448 # endif 2449 2450 /* Break the string at a composing character, it has to be drawn on 2451 * top of the previous character. */ 2452 start = 0; 2453 cells = 0; 2454 for (i = 0; i < len; i += cl) 2455 { 2456 c = utf_ptr2char(s + i); 2457 cn = utf_char2cells(c); 2458 comping = utf_iscomposing(c); 2459 if (!comping) /* count cells from non-composing chars */ 2460 cells += cn; 2461 if (!comping || sep_comp) 2462 { 2463 if (cn > 1 2464 # ifdef FEAT_XFONTSET 2465 && fontset == NOFONTSET 2466 # endif 2467 && wide_font != NOFONT) 2468 curr_wide = TRUE; 2469 else 2470 curr_wide = FALSE; 2471 } 2472 cl = utf_ptr2len(s + i); 2473 if (cl == 0) /* hit end of string */ 2474 len = i + cl; /* len must be wrong "cannot happen" */ 2475 2476 wide_changed = curr_wide != prev_wide; 2477 2478 /* Print the string so far if it's the last character or there is 2479 * a composing character. */ 2480 if (i + cl >= len || (comping && sep_comp && i > start) 2481 || wide_changed 2482 # if defined(FEAT_GUI_X11) 2483 || (cn > 1 2484 # ifdef FEAT_XFONTSET 2485 /* No fontset: At least draw char after wide char at 2486 * right position. */ 2487 && fontset == NOFONTSET 2488 # endif 2489 ) 2490 # endif 2491 ) 2492 { 2493 if ((comping && sep_comp) || wide_changed) 2494 thislen = i - start; 2495 else 2496 thislen = i - start + cl; 2497 if (thislen > 0) 2498 { 2499 if (prev_wide) 2500 gui_mch_set_font(wide_font); 2501 gui_mch_draw_string(gui.row, scol, s + start, thislen, 2502 draw_flags); 2503 if (prev_wide) 2504 gui_mch_set_font(font); 2505 start += thislen; 2506 } 2507 scol += cells; 2508 cells = 0; 2509 /* Adjust to not draw a character which width is changed 2510 * against with last one. */ 2511 if (wide_changed && !(comping && sep_comp)) 2512 { 2513 scol -= cn; 2514 cl = 0; 2515 } 2516 2517 # if defined(FEAT_GUI_X11) 2518 /* No fontset: draw a space to fill the gap after a wide char 2519 * */ 2520 if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0 2521 # ifdef FEAT_XFONTSET 2522 && fontset == NOFONTSET 2523 # endif 2524 && !wide_changed) 2525 gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ", 2526 1, draw_flags); 2527 # endif 2528 } 2529 /* Draw a composing char on top of the previous char. */ 2530 if (comping && sep_comp) 2531 { 2532 # if defined(__APPLE_CC__) && TARGET_API_MAC_CARBON 2533 /* Carbon ATSUI autodraws composing char over previous char */ 2534 gui_mch_draw_string(gui.row, scol, s + i, cl, 2535 draw_flags | DRAW_TRANSP); 2536 # else 2537 gui_mch_draw_string(gui.row, scol - cn, s + i, cl, 2538 draw_flags | DRAW_TRANSP); 2539 # endif 2540 start = i + cl; 2541 } 2542 prev_wide = curr_wide; 2543 } 2544 /* The stuff below assumes "len" is the length in screen columns. */ 2545 len = scol - col; 2546 } 2547 else 2548 # endif 2549 { 2550 gui_mch_draw_string(gui.row, col, s, len, draw_flags); 2551 # ifdef FEAT_MBYTE 2552 if (enc_dbcs == DBCS_JPNU) 2553 { 2554 /* Get the length in display cells, this can be different from the 2555 * number of bytes for "euc-jp". */ 2556 len = mb_string2cells(s, len); 2557 } 2558 # endif 2559 } 2560 #endif /* !FEAT_GUI_GTK */ 2561 2562 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2563 gui.col = col + len; 2564 2565 /* May need to invert it when it's part of the selection. */ 2566 if (flags & GUI_MON_NOCLEAR) 2567 clip_may_redraw_selection(gui.row, col, len); 2568 2569 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2570 { 2571 /* Invalidate the old physical cursor position if we wrote over it */ 2572 if (gui.cursor_row == gui.row 2573 && gui.cursor_col >= col 2574 && gui.cursor_col < col + len) 2575 gui.cursor_is_valid = FALSE; 2576 } 2577 2578 #ifdef FEAT_SIGN_ICONS 2579 if (draw_sign) 2580 /* Draw the sign on top of the spaces. */ 2581 gui_mch_drawsign(gui.row, col, gui.highlight_mask); 2582 # if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \ 2583 || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32)) 2584 if (multi_sign) 2585 netbeans_draw_multisign_indicator(gui.row); 2586 # endif 2587 #endif 2588 2589 return OK; 2590 } 2591 2592 /* 2593 * Un-draw the cursor. Actually this just redraws the character at the given 2594 * position. The character just before it too, for when it was in bold. 2595 */ 2596 void 2597 gui_undraw_cursor(void) 2598 { 2599 if (gui.cursor_is_valid) 2600 { 2601 #ifdef FEAT_HANGULIN 2602 if (composing_hangul 2603 && gui.col == gui.cursor_col && gui.row == gui.cursor_row) 2604 { 2605 char_u *comp_buf; 2606 int comp_len; 2607 2608 comp_buf = hangul_composing_buffer_get(&comp_len); 2609 if (comp_buf) 2610 { 2611 (void)gui_outstr_nowrap(comp_buf, comp_len, 2612 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, 2613 gui.norm_pixel, gui.back_pixel, 0); 2614 vim_free(comp_buf); 2615 } 2616 } 2617 else 2618 { 2619 #endif 2620 if (gui_redraw_block(gui.cursor_row, gui.cursor_col, 2621 gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR) 2622 && gui.cursor_col > 0) 2623 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col - 1, 2624 gui.cursor_row, gui.cursor_col - 1, GUI_MON_NOCLEAR); 2625 #ifdef FEAT_HANGULIN 2626 if (composing_hangul) 2627 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col + 1, 2628 gui.cursor_row, gui.cursor_col + 1, GUI_MON_NOCLEAR); 2629 } 2630 #endif 2631 /* Cursor_is_valid is reset when the cursor is undrawn, also reset it 2632 * here in case it wasn't needed to undraw it. */ 2633 gui.cursor_is_valid = FALSE; 2634 } 2635 } 2636 2637 void 2638 gui_redraw( 2639 int x, 2640 int y, 2641 int w, 2642 int h) 2643 { 2644 int row1, col1, row2, col2; 2645 2646 row1 = Y_2_ROW(y); 2647 col1 = X_2_COL(x); 2648 row2 = Y_2_ROW(y + h - 1); 2649 col2 = X_2_COL(x + w - 1); 2650 2651 (void)gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR); 2652 2653 /* 2654 * We may need to redraw the cursor, but don't take it upon us to change 2655 * its location after a scroll. 2656 * (maybe be more strict even and test col too?) 2657 * These things may be outside the update/clipping region and reality may 2658 * not reflect Vims internal ideas if these operations are clipped away. 2659 */ 2660 if (gui.row == gui.cursor_row) 2661 gui_update_cursor(TRUE, TRUE); 2662 } 2663 2664 /* 2665 * Draw a rectangular block of characters, from row1 to row2 (inclusive) and 2666 * from col1 to col2 (inclusive). 2667 * Return TRUE when the character before the first drawn character has 2668 * different attributes (may have to be redrawn too). 2669 */ 2670 int 2671 gui_redraw_block( 2672 int row1, 2673 int col1, 2674 int row2, 2675 int col2, 2676 int flags) /* flags for gui_outstr_nowrap() */ 2677 { 2678 int old_row, old_col; 2679 long_u old_hl_mask; 2680 int off; 2681 sattr_T first_attr; 2682 int idx, len; 2683 int back, nback; 2684 int retval = FALSE; 2685 #ifdef FEAT_MBYTE 2686 int orig_col1, orig_col2; 2687 #endif 2688 2689 /* Don't try to update when ScreenLines is not valid */ 2690 if (!screen_cleared || ScreenLines == NULL) 2691 return retval; 2692 2693 /* Don't try to draw outside the shell! */ 2694 /* Check everything, strange values may be caused by a big border width */ 2695 col1 = check_col(col1); 2696 col2 = check_col(col2); 2697 row1 = check_row(row1); 2698 row2 = check_row(row2); 2699 2700 /* Remember where our cursor was */ 2701 old_row = gui.row; 2702 old_col = gui.col; 2703 old_hl_mask = gui.highlight_mask; 2704 #ifdef FEAT_MBYTE 2705 orig_col1 = col1; 2706 orig_col2 = col2; 2707 #endif 2708 2709 for (gui.row = row1; gui.row <= row2; gui.row++) 2710 { 2711 #ifdef FEAT_MBYTE 2712 /* When only half of a double-wide character is in the block, include 2713 * the other half. */ 2714 col1 = orig_col1; 2715 col2 = orig_col2; 2716 off = LineOffset[gui.row]; 2717 if (enc_dbcs != 0) 2718 { 2719 if (col1 > 0) 2720 col1 -= dbcs_screen_head_off(ScreenLines + off, 2721 ScreenLines + off + col1); 2722 col2 += dbcs_screen_tail_off(ScreenLines + off, 2723 ScreenLines + off + col2); 2724 } 2725 else if (enc_utf8) 2726 { 2727 if (ScreenLines[off + col1] == 0) 2728 --col1; 2729 # ifdef FEAT_GUI_GTK 2730 if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) 2731 ++col2; 2732 # endif 2733 } 2734 #endif 2735 gui.col = col1; 2736 off = LineOffset[gui.row] + gui.col; 2737 len = col2 - col1 + 1; 2738 2739 /* Find how many chars back this highlighting starts, or where a space 2740 * is. Needed for when the bold trick is used */ 2741 for (back = 0; back < col1; ++back) 2742 if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off] 2743 || ScreenLines[off - 1 - back] == ' ') 2744 break; 2745 retval = (col1 > 0 && ScreenAttrs[off - 1] != 0 && back == 0 2746 && ScreenLines[off - 1] != ' '); 2747 2748 /* Break it up in strings of characters with the same attributes. */ 2749 /* Print UTF-8 characters individually. */ 2750 while (len > 0) 2751 { 2752 first_attr = ScreenAttrs[off]; 2753 gui.highlight_mask = first_attr; 2754 #if defined(FEAT_MBYTE) && !defined(FEAT_GUI_GTK) 2755 if (enc_utf8 && ScreenLinesUC[off] != 0) 2756 { 2757 /* output multi-byte character separately */ 2758 nback = gui_screenchar(off, flags, 2759 (guicolor_T)0, (guicolor_T)0, back); 2760 if (gui.col < Columns && ScreenLines[off + 1] == 0) 2761 idx = 2; 2762 else 2763 idx = 1; 2764 } 2765 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2766 { 2767 /* output double-byte, single-width character separately */ 2768 nback = gui_screenchar(off, flags, 2769 (guicolor_T)0, (guicolor_T)0, back); 2770 idx = 1; 2771 } 2772 else 2773 #endif 2774 { 2775 #ifdef FEAT_GUI_GTK 2776 for (idx = 0; idx < len; ++idx) 2777 { 2778 if (enc_utf8 && ScreenLines[off + idx] == 0) 2779 continue; /* skip second half of double-width char */ 2780 if (ScreenAttrs[off + idx] != first_attr) 2781 break; 2782 } 2783 /* gui_screenstr() takes care of multibyte chars */ 2784 nback = gui_screenstr(off, idx, flags, 2785 (guicolor_T)0, (guicolor_T)0, back); 2786 #else 2787 for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr; 2788 idx++) 2789 { 2790 # ifdef FEAT_MBYTE 2791 /* Stop at a multi-byte Unicode character. */ 2792 if (enc_utf8 && ScreenLinesUC[off + idx] != 0) 2793 break; 2794 if (enc_dbcs == DBCS_JPNU) 2795 { 2796 /* Stop at a double-byte single-width char. */ 2797 if (ScreenLines[off + idx] == 0x8e) 2798 break; 2799 if (len > 1 && (*mb_ptr2len)(ScreenLines 2800 + off + idx) == 2) 2801 ++idx; /* skip second byte of double-byte char */ 2802 } 2803 # endif 2804 } 2805 nback = gui_outstr_nowrap(ScreenLines + off, idx, flags, 2806 (guicolor_T)0, (guicolor_T)0, back); 2807 #endif 2808 } 2809 if (nback == FAIL) 2810 { 2811 /* Must back up to start drawing where a bold or italic word 2812 * starts. */ 2813 off -= back; 2814 len += back; 2815 gui.col -= back; 2816 } 2817 else 2818 { 2819 off += idx; 2820 len -= idx; 2821 } 2822 back = 0; 2823 } 2824 } 2825 2826 /* Put the cursor back where it was */ 2827 gui.row = old_row; 2828 gui.col = old_col; 2829 gui.highlight_mask = (int)old_hl_mask; 2830 2831 return retval; 2832 } 2833 2834 static void 2835 gui_delete_lines(int row, int count) 2836 { 2837 if (count <= 0) 2838 return; 2839 2840 if (row + count > gui.scroll_region_bot) 2841 /* Scrolled out of region, just blank the lines out */ 2842 gui_clear_block(row, gui.scroll_region_left, 2843 gui.scroll_region_bot, gui.scroll_region_right); 2844 else 2845 { 2846 gui_mch_delete_lines(row, count); 2847 2848 /* If the cursor was in the deleted lines it's now gone. If the 2849 * cursor was in the scrolled lines adjust its position. */ 2850 if (gui.cursor_row >= row 2851 && gui.cursor_col >= gui.scroll_region_left 2852 && gui.cursor_col <= gui.scroll_region_right) 2853 { 2854 if (gui.cursor_row < row + count) 2855 gui.cursor_is_valid = FALSE; 2856 else if (gui.cursor_row <= gui.scroll_region_bot) 2857 gui.cursor_row -= count; 2858 } 2859 } 2860 } 2861 2862 static void 2863 gui_insert_lines(int row, int count) 2864 { 2865 if (count <= 0) 2866 return; 2867 2868 if (row + count > gui.scroll_region_bot) 2869 /* Scrolled out of region, just blank the lines out */ 2870 gui_clear_block(row, gui.scroll_region_left, 2871 gui.scroll_region_bot, gui.scroll_region_right); 2872 else 2873 { 2874 gui_mch_insert_lines(row, count); 2875 2876 if (gui.cursor_row >= gui.row 2877 && gui.cursor_col >= gui.scroll_region_left 2878 && gui.cursor_col <= gui.scroll_region_right) 2879 { 2880 if (gui.cursor_row <= gui.scroll_region_bot - count) 2881 gui.cursor_row += count; 2882 else if (gui.cursor_row <= gui.scroll_region_bot) 2883 gui.cursor_is_valid = FALSE; 2884 } 2885 } 2886 } 2887 2888 /* 2889 * Returns OK if a character was found to be available within the given time, 2890 * or FAIL otherwise. 2891 */ 2892 static int 2893 gui_wait_for_chars_or_timer(long wtime) 2894 { 2895 #ifdef FEAT_TIMERS 2896 int due_time; 2897 long remaining = wtime; 2898 int tb_change_cnt = typebuf.tb_change_cnt; 2899 2900 /* When waiting very briefly don't trigger timers. */ 2901 if (wtime >= 0 && wtime < 10L) 2902 return gui_mch_wait_for_chars(wtime); 2903 2904 while (wtime < 0 || remaining > 0) 2905 { 2906 /* Trigger timers and then get the time in wtime until the next one is 2907 * due. Wait up to that time. */ 2908 due_time = check_due_timer(); 2909 if (typebuf.tb_change_cnt != tb_change_cnt) 2910 { 2911 /* timer may have used feedkeys() */ 2912 return FAIL; 2913 } 2914 if (due_time <= 0 || (wtime > 0 && due_time > remaining)) 2915 due_time = remaining; 2916 if (gui_mch_wait_for_chars(due_time)) 2917 return OK; 2918 if (wtime > 0) 2919 remaining -= due_time; 2920 } 2921 return FAIL; 2922 #else 2923 return gui_mch_wait_for_chars(wtime); 2924 #endif 2925 } 2926 2927 /* 2928 * The main GUI input routine. Waits for a character from the keyboard. 2929 * wtime == -1 Wait forever. 2930 * wtime == 0 Don't wait. 2931 * wtime > 0 Wait wtime milliseconds for a character. 2932 * Returns OK if a character was found to be available within the given time, 2933 * or FAIL otherwise. 2934 */ 2935 int 2936 gui_wait_for_chars(long wtime) 2937 { 2938 int retval; 2939 int tb_change_cnt = typebuf.tb_change_cnt; 2940 2941 #ifdef FEAT_MENU 2942 /* 2943 * If we're going to wait a bit, update the menus and mouse shape for the 2944 * current State. 2945 */ 2946 if (wtime != 0) 2947 gui_update_menus(0); 2948 #endif 2949 2950 gui_mch_update(); 2951 if (input_available()) /* Got char, return immediately */ 2952 return OK; 2953 if (wtime == 0) /* Don't wait for char */ 2954 return FAIL; 2955 2956 /* Before waiting, flush any output to the screen. */ 2957 gui_mch_flush(); 2958 2959 if (wtime > 0) 2960 { 2961 /* Blink when waiting for a character. Probably only does something 2962 * for showmatch() */ 2963 gui_mch_start_blink(); 2964 retval = gui_wait_for_chars_or_timer(wtime); 2965 gui_mch_stop_blink(); 2966 return retval; 2967 } 2968 2969 /* 2970 * While we are waiting indefinitely for a character, blink the cursor. 2971 */ 2972 gui_mch_start_blink(); 2973 2974 retval = FAIL; 2975 /* 2976 * We may want to trigger the CursorHold event. First wait for 2977 * 'updatetime' and if nothing is typed within that time put the 2978 * K_CURSORHOLD key in the input buffer. 2979 */ 2980 if (gui_wait_for_chars_or_timer(p_ut) == OK) 2981 retval = OK; 2982 #ifdef FEAT_AUTOCMD 2983 else if (trigger_cursorhold()) 2984 { 2985 char_u buf[3]; 2986 2987 /* Put K_CURSORHOLD in the input buffer. */ 2988 buf[0] = CSI; 2989 buf[1] = KS_EXTRA; 2990 buf[2] = (int)KE_CURSORHOLD; 2991 add_to_input_buf(buf, 3); 2992 2993 retval = OK; 2994 } 2995 #endif 2996 2997 if (retval == FAIL && typebuf.tb_change_cnt == tb_change_cnt) 2998 { 2999 /* Blocking wait. */ 3000 before_blocking(); 3001 retval = gui_wait_for_chars_or_timer(-1L); 3002 } 3003 3004 gui_mch_stop_blink(); 3005 return retval; 3006 } 3007 3008 /* 3009 * Fill p[4] with mouse coordinates encoded for check_termcode(). 3010 */ 3011 static void 3012 fill_mouse_coord(char_u *p, int col, int row) 3013 { 3014 p[0] = (char_u)(col / 128 + ' ' + 1); 3015 p[1] = (char_u)(col % 128 + ' ' + 1); 3016 p[2] = (char_u)(row / 128 + ' ' + 1); 3017 p[3] = (char_u)(row % 128 + ' ' + 1); 3018 } 3019 3020 /* 3021 * Generic mouse support function. Add a mouse event to the input buffer with 3022 * the given properties. 3023 * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT, 3024 * MOUSE_X1, MOUSE_X2 3025 * MOUSE_DRAG, or MOUSE_RELEASE. 3026 * MOUSE_4 and MOUSE_5 are used for vertical scroll wheel, 3027 * MOUSE_6 and MOUSE_7 for horizontal scroll wheel. 3028 * x, y --- Coordinates of mouse in pixels. 3029 * repeated_click --- TRUE if this click comes only a short time after a 3030 * previous click. 3031 * modifiers --- Bit field which may be any of the following modifiers 3032 * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT. 3033 * This function will ignore drag events where the mouse has not moved to a new 3034 * character. 3035 */ 3036 void 3037 gui_send_mouse_event( 3038 int button, 3039 int x, 3040 int y, 3041 int repeated_click, 3042 int_u modifiers) 3043 { 3044 static int prev_row = 0, prev_col = 0; 3045 static int prev_button = -1; 3046 static int num_clicks = 1; 3047 char_u string[10]; 3048 enum key_extra button_char; 3049 int row, col; 3050 #ifdef FEAT_CLIPBOARD 3051 int checkfor; 3052 int did_clip = FALSE; 3053 #endif 3054 3055 /* 3056 * Scrolling may happen at any time, also while a selection is present. 3057 */ 3058 switch (button) 3059 { 3060 case MOUSE_X1: 3061 button_char = KE_X1MOUSE; 3062 goto button_set; 3063 case MOUSE_X2: 3064 button_char = KE_X2MOUSE; 3065 goto button_set; 3066 case MOUSE_4: 3067 button_char = KE_MOUSEDOWN; 3068 goto button_set; 3069 case MOUSE_5: 3070 button_char = KE_MOUSEUP; 3071 goto button_set; 3072 case MOUSE_6: 3073 button_char = KE_MOUSELEFT; 3074 goto button_set; 3075 case MOUSE_7: 3076 button_char = KE_MOUSERIGHT; 3077 button_set: 3078 { 3079 /* Don't put events in the input queue now. */ 3080 if (hold_gui_events) 3081 return; 3082 3083 string[3] = CSI; 3084 string[4] = KS_EXTRA; 3085 string[5] = (int)button_char; 3086 3087 /* Pass the pointer coordinates of the scroll event so that we 3088 * know which window to scroll. */ 3089 row = gui_xy2colrow(x, y, &col); 3090 string[6] = (char_u)(col / 128 + ' ' + 1); 3091 string[7] = (char_u)(col % 128 + ' ' + 1); 3092 string[8] = (char_u)(row / 128 + ' ' + 1); 3093 string[9] = (char_u)(row % 128 + ' ' + 1); 3094 3095 if (modifiers == 0) 3096 add_to_input_buf(string + 3, 7); 3097 else 3098 { 3099 string[0] = CSI; 3100 string[1] = KS_MODIFIER; 3101 string[2] = 0; 3102 if (modifiers & MOUSE_SHIFT) 3103 string[2] |= MOD_MASK_SHIFT; 3104 if (modifiers & MOUSE_CTRL) 3105 string[2] |= MOD_MASK_CTRL; 3106 if (modifiers & MOUSE_ALT) 3107 string[2] |= MOD_MASK_ALT; 3108 add_to_input_buf(string, 10); 3109 } 3110 return; 3111 } 3112 } 3113 3114 #ifdef FEAT_CLIPBOARD 3115 /* If a clipboard selection is in progress, handle it */ 3116 if (clip_star.state == SELECT_IN_PROGRESS) 3117 { 3118 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click); 3119 return; 3120 } 3121 3122 /* Determine which mouse settings to look for based on the current mode */ 3123 switch (get_real_state()) 3124 { 3125 case NORMAL_BUSY: 3126 case OP_PENDING: 3127 # ifdef FEAT_TERMINAL 3128 case TERMINAL: 3129 # endif 3130 case NORMAL: checkfor = MOUSE_NORMAL; break; 3131 case VISUAL: checkfor = MOUSE_VISUAL; break; 3132 case SELECTMODE: checkfor = MOUSE_VISUAL; break; 3133 case REPLACE: 3134 case REPLACE+LANGMAP: 3135 # ifdef FEAT_VREPLACE 3136 case VREPLACE: 3137 case VREPLACE+LANGMAP: 3138 # endif 3139 case INSERT: 3140 case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break; 3141 case ASKMORE: 3142 case HITRETURN: /* At the more- and hit-enter prompt pass the 3143 mouse event for a click on or below the 3144 message line. */ 3145 if (Y_2_ROW(y) >= msg_row) 3146 checkfor = MOUSE_NORMAL; 3147 else 3148 checkfor = MOUSE_RETURN; 3149 break; 3150 3151 /* 3152 * On the command line, use the clipboard selection on all lines 3153 * but the command line. But not when pasting. 3154 */ 3155 case CMDLINE: 3156 case CMDLINE+LANGMAP: 3157 if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE) 3158 checkfor = MOUSE_NONE; 3159 else 3160 checkfor = MOUSE_COMMAND; 3161 break; 3162 3163 default: 3164 checkfor = MOUSE_NONE; 3165 break; 3166 }; 3167 3168 /* 3169 * Allow clipboard selection of text on the command line in "normal" 3170 * modes. Don't do this when dragging the status line, or extending a 3171 * Visual selection. 3172 */ 3173 if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT)) 3174 && Y_2_ROW(y) >= topframe->fr_height + firstwin->w_winrow 3175 && button != MOUSE_DRAG 3176 # ifdef FEAT_MOUSESHAPE 3177 && !drag_status_line 3178 && !drag_sep_line 3179 # endif 3180 ) 3181 checkfor = MOUSE_NONE; 3182 3183 /* 3184 * Use modeless selection when holding CTRL and SHIFT pressed. 3185 */ 3186 if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT)) 3187 checkfor = MOUSE_NONEF; 3188 3189 /* 3190 * In Ex mode, always use modeless selection. 3191 */ 3192 if (exmode_active) 3193 checkfor = MOUSE_NONE; 3194 3195 /* 3196 * If the mouse settings say to not use the mouse, use the modeless 3197 * selection. But if Visual is active, assume that only the Visual area 3198 * will be selected. 3199 * Exception: On the command line, both the selection is used and a mouse 3200 * key is send. 3201 */ 3202 if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND) 3203 { 3204 /* Don't do modeless selection in Visual mode. */ 3205 if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL)) 3206 return; 3207 3208 /* 3209 * When 'mousemodel' is "popup", shift-left is translated to right. 3210 * But not when also using Ctrl. 3211 */ 3212 if (mouse_model_popup() && button == MOUSE_LEFT 3213 && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL)) 3214 { 3215 button = MOUSE_RIGHT; 3216 modifiers &= ~ MOUSE_SHIFT; 3217 } 3218 3219 /* If the selection is done, allow the right button to extend it. 3220 * If the selection is cleared, allow the right button to start it 3221 * from the cursor position. */ 3222 if (button == MOUSE_RIGHT) 3223 { 3224 if (clip_star.state == SELECT_CLEARED) 3225 { 3226 if (State & CMDLINE) 3227 { 3228 col = msg_col; 3229 row = msg_row; 3230 } 3231 else 3232 { 3233 col = curwin->w_wcol; 3234 row = curwin->w_wrow + W_WINROW(curwin); 3235 } 3236 clip_start_selection(col, row, FALSE); 3237 } 3238 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), 3239 repeated_click); 3240 did_clip = TRUE; 3241 } 3242 /* Allow the left button to start the selection */ 3243 else if (button == MOUSE_LEFT) 3244 { 3245 clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click); 3246 did_clip = TRUE; 3247 } 3248 3249 /* Always allow pasting */ 3250 if (button != MOUSE_MIDDLE) 3251 { 3252 if (!mouse_has(checkfor) || button == MOUSE_RELEASE) 3253 return; 3254 if (checkfor != MOUSE_COMMAND) 3255 button = MOUSE_LEFT; 3256 } 3257 repeated_click = FALSE; 3258 } 3259 3260 if (clip_star.state != SELECT_CLEARED && !did_clip) 3261 clip_clear_selection(&clip_star); 3262 #endif 3263 3264 /* Don't put events in the input queue now. */ 3265 if (hold_gui_events) 3266 return; 3267 3268 row = gui_xy2colrow(x, y, &col); 3269 3270 /* 3271 * If we are dragging and the mouse hasn't moved far enough to be on a 3272 * different character, then don't send an event to vim. 3273 */ 3274 if (button == MOUSE_DRAG) 3275 { 3276 if (row == prev_row && col == prev_col) 3277 return; 3278 /* Dragging above the window, set "row" to -1 to cause a scroll. */ 3279 if (y < 0) 3280 row = -1; 3281 } 3282 3283 /* 3284 * If topline has changed (window scrolled) since the last click, reset 3285 * repeated_click, because we don't want starting Visual mode when 3286 * clicking on a different character in the text. 3287 */ 3288 if (curwin->w_topline != gui_prev_topline 3289 #ifdef FEAT_DIFF 3290 || curwin->w_topfill != gui_prev_topfill 3291 #endif 3292 ) 3293 repeated_click = FALSE; 3294 3295 string[0] = CSI; /* this sequence is recognized by check_termcode() */ 3296 string[1] = KS_MOUSE; 3297 string[2] = KE_FILLER; 3298 if (button != MOUSE_DRAG && button != MOUSE_RELEASE) 3299 { 3300 if (repeated_click) 3301 { 3302 /* 3303 * Handle multiple clicks. They only count if the mouse is still 3304 * pointing at the same character. 3305 */ 3306 if (button != prev_button || row != prev_row || col != prev_col) 3307 num_clicks = 1; 3308 else if (++num_clicks > 4) 3309 num_clicks = 1; 3310 } 3311 else 3312 num_clicks = 1; 3313 prev_button = button; 3314 gui_prev_topline = curwin->w_topline; 3315 #ifdef FEAT_DIFF 3316 gui_prev_topfill = curwin->w_topfill; 3317 #endif 3318 3319 string[3] = (char_u)(button | 0x20); 3320 SET_NUM_MOUSE_CLICKS(string[3], num_clicks); 3321 } 3322 else 3323 string[3] = (char_u)button; 3324 3325 string[3] |= modifiers; 3326 fill_mouse_coord(string + 4, col, row); 3327 add_to_input_buf(string, 8); 3328 3329 if (row < 0) 3330 prev_row = 0; 3331 else 3332 prev_row = row; 3333 prev_col = col; 3334 3335 /* 3336 * We need to make sure this is cleared since Athena doesn't tell us when 3337 * he is done dragging. Neither does GTK+ 2 -- at least for now. 3338 */ 3339 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 3340 gui.dragged_sb = SBAR_NONE; 3341 #endif 3342 } 3343 3344 /* 3345 * Convert x and y coordinate to column and row in text window. 3346 * Corrects for multi-byte character. 3347 * returns column in "*colp" and row as return value; 3348 */ 3349 int 3350 gui_xy2colrow(int x, int y, int *colp) 3351 { 3352 int col = check_col(X_2_COL(x)); 3353 int row = check_row(Y_2_ROW(y)); 3354 3355 #ifdef FEAT_MBYTE 3356 *colp = mb_fix_col(col, row); 3357 #else 3358 *colp = col; 3359 #endif 3360 return row; 3361 } 3362 3363 #if defined(FEAT_MENU) || defined(PROTO) 3364 /* 3365 * Callback function for when a menu entry has been selected. 3366 */ 3367 void 3368 gui_menu_cb(vimmenu_T *menu) 3369 { 3370 char_u bytes[sizeof(long_u)]; 3371 3372 /* Don't put events in the input queue now. */ 3373 if (hold_gui_events) 3374 return; 3375 3376 bytes[0] = CSI; 3377 bytes[1] = KS_MENU; 3378 bytes[2] = KE_FILLER; 3379 add_to_input_buf(bytes, 3); 3380 add_long_to_buf((long_u)menu, bytes); 3381 add_to_input_buf_csi(bytes, sizeof(long_u)); 3382 } 3383 #endif 3384 3385 static int prev_which_scrollbars[3]; 3386 3387 /* 3388 * Set which components are present. 3389 * If "oldval" is not NULL, "oldval" is the previous value, the new value is 3390 * in p_go. 3391 */ 3392 void 3393 gui_init_which_components(char_u *oldval UNUSED) 3394 { 3395 #ifdef FEAT_MENU 3396 static int prev_menu_is_active = -1; 3397 #endif 3398 #ifdef FEAT_TOOLBAR 3399 static int prev_toolbar = -1; 3400 int using_toolbar = FALSE; 3401 #endif 3402 #ifdef FEAT_GUI_TABLINE 3403 int using_tabline; 3404 #endif 3405 #ifdef FEAT_FOOTER 3406 static int prev_footer = -1; 3407 int using_footer = FALSE; 3408 #endif 3409 #if defined(FEAT_MENU) 3410 static int prev_tearoff = -1; 3411 int using_tearoff = FALSE; 3412 #endif 3413 3414 char_u *p; 3415 int i; 3416 #ifdef FEAT_MENU 3417 int grey_old, grey_new; 3418 char_u *temp; 3419 #endif 3420 win_T *wp; 3421 int need_set_size; 3422 int fix_size; 3423 3424 #ifdef FEAT_MENU 3425 if (oldval != NULL && gui.in_use) 3426 { 3427 /* 3428 * Check if the menu's go from grey to non-grey or vise versa. 3429 */ 3430 grey_old = (vim_strchr(oldval, GO_GREY) != NULL); 3431 grey_new = (vim_strchr(p_go, GO_GREY) != NULL); 3432 if (grey_old != grey_new) 3433 { 3434 temp = p_go; 3435 p_go = oldval; 3436 gui_update_menus(MENU_ALL_MODES); 3437 p_go = temp; 3438 } 3439 } 3440 gui.menu_is_active = FALSE; 3441 #endif 3442 3443 for (i = 0; i < 3; i++) 3444 gui.which_scrollbars[i] = FALSE; 3445 for (p = p_go; *p; p++) 3446 switch (*p) 3447 { 3448 case GO_LEFT: 3449 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3450 break; 3451 case GO_RIGHT: 3452 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3453 break; 3454 case GO_VLEFT: 3455 if (win_hasvertsplit()) 3456 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3457 break; 3458 case GO_VRIGHT: 3459 if (win_hasvertsplit()) 3460 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3461 break; 3462 case GO_BOT: 3463 gui.which_scrollbars[SBAR_BOTTOM] = TRUE; 3464 break; 3465 #ifdef FEAT_MENU 3466 case GO_MENUS: 3467 gui.menu_is_active = TRUE; 3468 break; 3469 #endif 3470 case GO_GREY: 3471 /* make menu's have grey items, ignored here */ 3472 break; 3473 #ifdef FEAT_TOOLBAR 3474 case GO_TOOLBAR: 3475 using_toolbar = TRUE; 3476 break; 3477 #endif 3478 #ifdef FEAT_FOOTER 3479 case GO_FOOTER: 3480 using_footer = TRUE; 3481 break; 3482 #endif 3483 case GO_TEAROFF: 3484 #if defined(FEAT_MENU) 3485 using_tearoff = TRUE; 3486 #endif 3487 break; 3488 default: 3489 /* Ignore options that are not supported */ 3490 break; 3491 } 3492 3493 if (gui.in_use) 3494 { 3495 need_set_size = 0; 3496 fix_size = FALSE; 3497 3498 #ifdef FEAT_GUI_TABLINE 3499 /* Update the GUI tab line, it may appear or disappear. This may 3500 * cause the non-GUI tab line to disappear or appear. */ 3501 using_tabline = gui_has_tabline(); 3502 if (!gui_mch_showing_tabline() != !using_tabline) 3503 { 3504 /* We don't want a resize event change "Rows" here, save and 3505 * restore it. Resizing is handled below. */ 3506 i = Rows; 3507 gui_update_tabline(); 3508 Rows = i; 3509 need_set_size |= RESIZE_VERT; 3510 if (using_tabline) 3511 fix_size = TRUE; 3512 if (!gui_use_tabline()) 3513 redraw_tabline = TRUE; /* may draw non-GUI tab line */ 3514 } 3515 #endif 3516 3517 for (i = 0; i < 3; i++) 3518 { 3519 /* The scrollbar needs to be updated when it is shown/unshown and 3520 * when switching tab pages. But the size only changes when it's 3521 * shown/unshown. Thus we need two places to remember whether a 3522 * scrollbar is there or not. */ 3523 if (gui.which_scrollbars[i] != prev_which_scrollbars[i] 3524 || gui.which_scrollbars[i] 3525 != curtab->tp_prev_which_scrollbars[i]) 3526 { 3527 if (i == SBAR_BOTTOM) 3528 gui_mch_enable_scrollbar(&gui.bottom_sbar, 3529 gui.which_scrollbars[i]); 3530 else 3531 { 3532 FOR_ALL_WINDOWS(wp) 3533 { 3534 gui_do_scrollbar(wp, i, gui.which_scrollbars[i]); 3535 } 3536 } 3537 if (gui.which_scrollbars[i] != prev_which_scrollbars[i]) 3538 { 3539 if (i == SBAR_BOTTOM) 3540 need_set_size |= RESIZE_VERT; 3541 else 3542 need_set_size |= RESIZE_HOR; 3543 if (gui.which_scrollbars[i]) 3544 fix_size = TRUE; 3545 } 3546 } 3547 curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3548 prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3549 } 3550 3551 #ifdef FEAT_MENU 3552 if (gui.menu_is_active != prev_menu_is_active) 3553 { 3554 /* We don't want a resize event change "Rows" here, save and 3555 * restore it. Resizing is handled below. */ 3556 i = Rows; 3557 gui_mch_enable_menu(gui.menu_is_active); 3558 Rows = i; 3559 prev_menu_is_active = gui.menu_is_active; 3560 need_set_size |= RESIZE_VERT; 3561 if (gui.menu_is_active) 3562 fix_size = TRUE; 3563 } 3564 #endif 3565 3566 #ifdef FEAT_TOOLBAR 3567 if (using_toolbar != prev_toolbar) 3568 { 3569 gui_mch_show_toolbar(using_toolbar); 3570 prev_toolbar = using_toolbar; 3571 need_set_size |= RESIZE_VERT; 3572 if (using_toolbar) 3573 fix_size = TRUE; 3574 } 3575 #endif 3576 #ifdef FEAT_FOOTER 3577 if (using_footer != prev_footer) 3578 { 3579 gui_mch_enable_footer(using_footer); 3580 prev_footer = using_footer; 3581 need_set_size |= RESIZE_VERT; 3582 if (using_footer) 3583 fix_size = TRUE; 3584 } 3585 #endif 3586 #if defined(FEAT_MENU) && !(defined(WIN3264) && !defined(FEAT_TEAROFF)) 3587 if (using_tearoff != prev_tearoff) 3588 { 3589 gui_mch_toggle_tearoffs(using_tearoff); 3590 prev_tearoff = using_tearoff; 3591 } 3592 #endif 3593 if (need_set_size != 0) 3594 { 3595 #ifdef FEAT_GUI_GTK 3596 long prev_Columns = Columns; 3597 long prev_Rows = Rows; 3598 #endif 3599 /* Adjust the size of the window to make the text area keep the 3600 * same size and to avoid that part of our window is off-screen 3601 * and a scrollbar can't be used, for example. */ 3602 gui_set_shellsize(FALSE, fix_size, need_set_size); 3603 3604 #ifdef FEAT_GUI_GTK 3605 /* GTK has the annoying habit of sending us resize events when 3606 * changing the window size ourselves. This mostly happens when 3607 * waiting for a character to arrive, quite unpredictably, and may 3608 * change Columns and Rows when we don't want it. Wait for a 3609 * character here to avoid this effect. 3610 * If you remove this, please test this command for resizing 3611 * effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q". 3612 * Don't do this while starting up though. 3613 * Don't change Rows when adding menu/toolbar/tabline. 3614 * Don't change Columns when adding vertical toolbar. */ 3615 if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR)) 3616 (void)char_avail(); 3617 if ((need_set_size & RESIZE_VERT) == 0) 3618 Rows = prev_Rows; 3619 if ((need_set_size & RESIZE_HOR) == 0) 3620 Columns = prev_Columns; 3621 #endif 3622 } 3623 /* When the console tabline appears or disappears the window positions 3624 * change. */ 3625 if (firstwin->w_winrow != tabline_height()) 3626 shell_new_rows(); /* recompute window positions and heights */ 3627 } 3628 } 3629 3630 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 3631 /* 3632 * Return TRUE if the GUI is taking care of the tabline. 3633 * It may still be hidden if 'showtabline' is zero. 3634 */ 3635 int 3636 gui_use_tabline(void) 3637 { 3638 return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL; 3639 } 3640 3641 /* 3642 * Return TRUE if the GUI is showing the tabline. 3643 * This uses 'showtabline'. 3644 */ 3645 static int 3646 gui_has_tabline(void) 3647 { 3648 if (!gui_use_tabline() 3649 || p_stal == 0 3650 || (p_stal == 1 && first_tabpage->tp_next == NULL)) 3651 return FALSE; 3652 return TRUE; 3653 } 3654 3655 /* 3656 * Update the tabline. 3657 * This may display/undisplay the tabline and update the labels. 3658 */ 3659 void 3660 gui_update_tabline(void) 3661 { 3662 int showit = gui_has_tabline(); 3663 int shown = gui_mch_showing_tabline(); 3664 3665 if (!gui.starting && starting == 0) 3666 { 3667 /* Updating the tabline uses direct GUI commands, flush 3668 * outstanding instructions first. (esp. clear screen) */ 3669 out_flush(); 3670 gui_mch_flush(); 3671 3672 if (!showit != !shown) 3673 gui_mch_show_tabline(showit); 3674 if (showit != 0) 3675 gui_mch_update_tabline(); 3676 3677 /* When the tabs change from hidden to shown or from shown to 3678 * hidden the size of the text area should remain the same. */ 3679 if (!showit != !shown) 3680 gui_set_shellsize(FALSE, showit, RESIZE_VERT); 3681 } 3682 } 3683 3684 /* 3685 * Get the label or tooltip for tab page "tp" into NameBuff[]. 3686 */ 3687 void 3688 get_tabline_label( 3689 tabpage_T *tp, 3690 int tooltip) /* TRUE: get tooltip */ 3691 { 3692 int modified = FALSE; 3693 char_u buf[40]; 3694 int wincount; 3695 win_T *wp; 3696 char_u **opt; 3697 3698 /* Use 'guitablabel' or 'guitabtooltip' if it's set. */ 3699 opt = (tooltip ? &p_gtt : &p_gtl); 3700 if (**opt != NUL) 3701 { 3702 int use_sandbox = FALSE; 3703 int save_called_emsg = called_emsg; 3704 char_u res[MAXPATHL]; 3705 tabpage_T *save_curtab; 3706 char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip" 3707 : "guitablabel"); 3708 3709 called_emsg = FALSE; 3710 3711 printer_page_num = tabpage_index(tp); 3712 # ifdef FEAT_EVAL 3713 set_vim_var_nr(VV_LNUM, printer_page_num); 3714 use_sandbox = was_set_insecurely(opt_name, 0); 3715 # endif 3716 /* It's almost as going to the tabpage, but without autocommands. */ 3717 curtab->tp_firstwin = firstwin; 3718 curtab->tp_lastwin = lastwin; 3719 curtab->tp_curwin = curwin; 3720 save_curtab = curtab; 3721 curtab = tp; 3722 topframe = curtab->tp_topframe; 3723 firstwin = curtab->tp_firstwin; 3724 lastwin = curtab->tp_lastwin; 3725 curwin = curtab->tp_curwin; 3726 curbuf = curwin->w_buffer; 3727 3728 /* Can't use NameBuff directly, build_stl_str_hl() uses it. */ 3729 build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox, 3730 0, (int)Columns, NULL, NULL); 3731 STRCPY(NameBuff, res); 3732 3733 /* Back to the original curtab. */ 3734 curtab = save_curtab; 3735 topframe = curtab->tp_topframe; 3736 firstwin = curtab->tp_firstwin; 3737 lastwin = curtab->tp_lastwin; 3738 curwin = curtab->tp_curwin; 3739 curbuf = curwin->w_buffer; 3740 3741 if (called_emsg) 3742 set_string_option_direct(opt_name, -1, 3743 (char_u *)"", OPT_FREE, SID_ERROR); 3744 called_emsg |= save_called_emsg; 3745 } 3746 3747 /* If 'guitablabel'/'guitabtooltip' is not set or the result is empty then 3748 * use a default label. */ 3749 if (**opt == NUL || *NameBuff == NUL) 3750 { 3751 /* Get the buffer name into NameBuff[] and shorten it. */ 3752 get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer); 3753 if (!tooltip) 3754 shorten_dir(NameBuff); 3755 3756 wp = (tp == curtab) ? firstwin : tp->tp_firstwin; 3757 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount) 3758 if (bufIsChanged(wp->w_buffer)) 3759 modified = TRUE; 3760 if (modified || wincount > 1) 3761 { 3762 if (wincount > 1) 3763 vim_snprintf((char *)buf, sizeof(buf), "%d", wincount); 3764 else 3765 buf[0] = NUL; 3766 if (modified) 3767 STRCAT(buf, "+"); 3768 STRCAT(buf, " "); 3769 STRMOVE(NameBuff + STRLEN(buf), NameBuff); 3770 mch_memmove(NameBuff, buf, STRLEN(buf)); 3771 } 3772 } 3773 } 3774 3775 /* 3776 * Send the event for clicking to select tab page "nr". 3777 * Returns TRUE if it was done, FALSE when skipped because we are already at 3778 * that tab page or the cmdline window is open. 3779 */ 3780 int 3781 send_tabline_event(int nr) 3782 { 3783 char_u string[3]; 3784 3785 if (nr == tabpage_index(curtab)) 3786 return FALSE; 3787 3788 /* Don't put events in the input queue now. */ 3789 if (hold_gui_events 3790 # ifdef FEAT_CMDWIN 3791 || cmdwin_type != 0 3792 # endif 3793 ) 3794 { 3795 /* Set it back to the current tab page. */ 3796 gui_mch_set_curtab(tabpage_index(curtab)); 3797 return FALSE; 3798 } 3799 3800 string[0] = CSI; 3801 string[1] = KS_TABLINE; 3802 string[2] = KE_FILLER; 3803 add_to_input_buf(string, 3); 3804 string[0] = nr; 3805 add_to_input_buf_csi(string, 1); 3806 return TRUE; 3807 } 3808 3809 /* 3810 * Send a tabline menu event 3811 */ 3812 void 3813 send_tabline_menu_event(int tabidx, int event) 3814 { 3815 char_u string[3]; 3816 3817 /* Don't put events in the input queue now. */ 3818 if (hold_gui_events) 3819 return; 3820 3821 string[0] = CSI; 3822 string[1] = KS_TABMENU; 3823 string[2] = KE_FILLER; 3824 add_to_input_buf(string, 3); 3825 string[0] = tabidx; 3826 string[1] = (char_u)(long)event; 3827 add_to_input_buf_csi(string, 2); 3828 } 3829 3830 #endif 3831 3832 /* 3833 * Scrollbar stuff: 3834 */ 3835 3836 /* 3837 * Remove all scrollbars. Used before switching to another tab page. 3838 */ 3839 void 3840 gui_remove_scrollbars(void) 3841 { 3842 int i; 3843 win_T *wp; 3844 3845 for (i = 0; i < 3; i++) 3846 { 3847 if (i == SBAR_BOTTOM) 3848 gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE); 3849 else 3850 { 3851 FOR_ALL_WINDOWS(wp) 3852 { 3853 gui_do_scrollbar(wp, i, FALSE); 3854 } 3855 } 3856 curtab->tp_prev_which_scrollbars[i] = -1; 3857 } 3858 } 3859 3860 void 3861 gui_create_scrollbar(scrollbar_T *sb, int type, win_T *wp) 3862 { 3863 static int sbar_ident = 0; 3864 3865 sb->ident = sbar_ident++; /* No check for too big, but would it happen? */ 3866 sb->wp = wp; 3867 sb->type = type; 3868 sb->value = 0; 3869 #ifdef FEAT_GUI_ATHENA 3870 sb->pixval = 0; 3871 #endif 3872 sb->size = 1; 3873 sb->max = 1; 3874 sb->top = 0; 3875 sb->height = 0; 3876 sb->width = 0; 3877 sb->status_height = 0; 3878 gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT); 3879 } 3880 3881 /* 3882 * Find the scrollbar with the given index. 3883 */ 3884 scrollbar_T * 3885 gui_find_scrollbar(long ident) 3886 { 3887 win_T *wp; 3888 3889 if (gui.bottom_sbar.ident == ident) 3890 return &gui.bottom_sbar; 3891 FOR_ALL_WINDOWS(wp) 3892 { 3893 if (wp->w_scrollbars[SBAR_LEFT].ident == ident) 3894 return &wp->w_scrollbars[SBAR_LEFT]; 3895 if (wp->w_scrollbars[SBAR_RIGHT].ident == ident) 3896 return &wp->w_scrollbars[SBAR_RIGHT]; 3897 } 3898 return NULL; 3899 } 3900 3901 /* 3902 * For most systems: Put a code in the input buffer for a dragged scrollbar. 3903 * 3904 * For Win32, Macintosh and GTK+ 2: 3905 * Scrollbars seem to grab focus and vim doesn't read the input queue until 3906 * you stop dragging the scrollbar. We get here each time the scrollbar is 3907 * dragged another pixel, but as far as the rest of vim goes, it thinks 3908 * we're just hanging in the call to DispatchMessage() in 3909 * process_message(). The DispatchMessage() call that hangs was passed a 3910 * mouse button click event in the scrollbar window. -- webb. 3911 * 3912 * Solution: Do the scrolling right here. But only when allowed. 3913 * Ignore the scrollbars while executing an external command or when there 3914 * are still characters to be processed. 3915 */ 3916 void 3917 gui_drag_scrollbar(scrollbar_T *sb, long value, int still_dragging) 3918 { 3919 win_T *wp; 3920 int sb_num; 3921 #ifdef USE_ON_FLY_SCROLL 3922 colnr_T old_leftcol = curwin->w_leftcol; 3923 # ifdef FEAT_SCROLLBIND 3924 linenr_T old_topline = curwin->w_topline; 3925 # endif 3926 # ifdef FEAT_DIFF 3927 int old_topfill = curwin->w_topfill; 3928 # endif 3929 #else 3930 char_u bytes[sizeof(long_u)]; 3931 int byte_count; 3932 #endif 3933 3934 if (sb == NULL) 3935 return; 3936 3937 /* Don't put events in the input queue now. */ 3938 if (hold_gui_events) 3939 return; 3940 3941 #ifdef FEAT_CMDWIN 3942 if (cmdwin_type != 0 && sb->wp != curwin) 3943 return; 3944 #endif 3945 3946 if (still_dragging) 3947 { 3948 if (sb->wp == NULL) 3949 gui.dragged_sb = SBAR_BOTTOM; 3950 else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT]) 3951 gui.dragged_sb = SBAR_LEFT; 3952 else 3953 gui.dragged_sb = SBAR_RIGHT; 3954 gui.dragged_wp = sb->wp; 3955 } 3956 else 3957 { 3958 gui.dragged_sb = SBAR_NONE; 3959 #ifdef FEAT_GUI_GTK 3960 /* Keep the "dragged_wp" value until after the scrolling, for when the 3961 * mouse button is released. GTK2 doesn't send the button-up event. */ 3962 gui.dragged_wp = NULL; 3963 #endif 3964 } 3965 3966 /* Vertical sbar info is kept in the first sbar (the left one) */ 3967 if (sb->wp != NULL) 3968 sb = &sb->wp->w_scrollbars[0]; 3969 3970 /* 3971 * Check validity of value 3972 */ 3973 if (value < 0) 3974 value = 0; 3975 #ifdef SCROLL_PAST_END 3976 else if (value > sb->max) 3977 value = sb->max; 3978 #else 3979 if (value > sb->max - sb->size + 1) 3980 value = sb->max - sb->size + 1; 3981 #endif 3982 3983 sb->value = value; 3984 3985 #ifdef USE_ON_FLY_SCROLL 3986 /* When not allowed to do the scrolling right now, return. 3987 * This also checked input_available(), but that causes the first click in 3988 * a scrollbar to be ignored when Vim doesn't have focus. */ 3989 if (dont_scroll) 3990 return; 3991 #endif 3992 #ifdef FEAT_INS_EXPAND 3993 /* Disallow scrolling the current window when the completion popup menu is 3994 * visible. */ 3995 if ((sb->wp == NULL || sb->wp == curwin) && pum_visible()) 3996 return; 3997 #endif 3998 3999 #ifdef FEAT_RIGHTLEFT 4000 if (sb->wp == NULL && curwin->w_p_rl) 4001 { 4002 value = sb->max + 1 - sb->size - value; 4003 if (value < 0) 4004 value = 0; 4005 } 4006 #endif 4007 4008 if (sb->wp != NULL) /* vertical scrollbar */ 4009 { 4010 sb_num = 0; 4011 for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next) 4012 sb_num++; 4013 if (wp == NULL) 4014 return; 4015 4016 #ifdef USE_ON_FLY_SCROLL 4017 current_scrollbar = sb_num; 4018 scrollbar_value = value; 4019 if (State & NORMAL) 4020 { 4021 gui_do_scroll(); 4022 setcursor(); 4023 } 4024 else if (State & INSERT) 4025 { 4026 ins_scroll(); 4027 setcursor(); 4028 } 4029 else if (State & CMDLINE) 4030 { 4031 if (msg_scrolled == 0) 4032 { 4033 gui_do_scroll(); 4034 redrawcmdline(); 4035 } 4036 } 4037 # ifdef FEAT_FOLDING 4038 /* Value may have been changed for closed fold. */ 4039 sb->value = sb->wp->w_topline - 1; 4040 # endif 4041 4042 /* When dragging one scrollbar and there is another one at the other 4043 * side move the thumb of that one too. */ 4044 if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT]) 4045 gui_mch_set_scrollbar_thumb( 4046 &sb->wp->w_scrollbars[ 4047 sb == &sb->wp->w_scrollbars[SBAR_RIGHT] 4048 ? SBAR_LEFT : SBAR_RIGHT], 4049 sb->value, sb->size, sb->max); 4050 4051 #else 4052 bytes[0] = CSI; 4053 bytes[1] = KS_VER_SCROLLBAR; 4054 bytes[2] = KE_FILLER; 4055 bytes[3] = (char_u)sb_num; 4056 byte_count = 4; 4057 #endif 4058 } 4059 else 4060 { 4061 #ifdef USE_ON_FLY_SCROLL 4062 scrollbar_value = value; 4063 4064 if (State & NORMAL) 4065 gui_do_horiz_scroll(scrollbar_value, FALSE); 4066 else if (State & INSERT) 4067 ins_horscroll(); 4068 else if (State & CMDLINE) 4069 { 4070 if (msg_scrolled == 0) 4071 { 4072 gui_do_horiz_scroll(scrollbar_value, FALSE); 4073 redrawcmdline(); 4074 } 4075 } 4076 if (old_leftcol != curwin->w_leftcol) 4077 { 4078 updateWindow(curwin); /* update window, status and cmdline */ 4079 setcursor(); 4080 } 4081 #else 4082 bytes[0] = CSI; 4083 bytes[1] = KS_HOR_SCROLLBAR; 4084 bytes[2] = KE_FILLER; 4085 byte_count = 3; 4086 #endif 4087 } 4088 4089 #ifdef USE_ON_FLY_SCROLL 4090 # ifdef FEAT_SCROLLBIND 4091 /* 4092 * synchronize other windows, as necessary according to 'scrollbind' 4093 */ 4094 if (curwin->w_p_scb 4095 && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol) 4096 || (sb->wp == curwin && (curwin->w_topline != old_topline 4097 # ifdef FEAT_DIFF 4098 || curwin->w_topfill != old_topfill 4099 # endif 4100 )))) 4101 { 4102 do_check_scrollbind(TRUE); 4103 /* need to update the window right here */ 4104 FOR_ALL_WINDOWS(wp) 4105 if (wp->w_redr_type > 0) 4106 updateWindow(wp); 4107 setcursor(); 4108 } 4109 # endif 4110 out_flush(); 4111 gui_update_cursor(FALSE, TRUE); 4112 #else 4113 add_to_input_buf(bytes, byte_count); 4114 add_long_to_buf((long_u)value, bytes); 4115 add_to_input_buf_csi(bytes, sizeof(long_u)); 4116 #endif 4117 } 4118 4119 /* 4120 * Scrollbar stuff: 4121 */ 4122 4123 /* 4124 * Called when something in the window layout has changed. 4125 */ 4126 void 4127 gui_may_update_scrollbars(void) 4128 { 4129 if (gui.in_use && starting == 0) 4130 { 4131 out_flush(); 4132 gui_init_which_components(NULL); 4133 gui_update_scrollbars(TRUE); 4134 } 4135 need_mouse_correct = TRUE; 4136 } 4137 4138 void 4139 gui_update_scrollbars( 4140 int force) /* Force all scrollbars to get updated */ 4141 { 4142 win_T *wp; 4143 scrollbar_T *sb; 4144 long val, size, max; /* need 32 bits here */ 4145 int which_sb; 4146 int h, y; 4147 static win_T *prev_curwin = NULL; 4148 4149 /* Update the horizontal scrollbar */ 4150 gui_update_horiz_scrollbar(force); 4151 4152 #ifndef WIN3264 4153 /* Return straight away if there is neither a left nor right scrollbar. 4154 * On MS-Windows this is required anyway for scrollwheel messages. */ 4155 if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT]) 4156 return; 4157 #endif 4158 4159 /* 4160 * Don't want to update a scrollbar while we're dragging it. But if we 4161 * have both a left and right scrollbar, and we drag one of them, we still 4162 * need to update the other one. 4163 */ 4164 if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT) 4165 && gui.which_scrollbars[SBAR_LEFT] 4166 && gui.which_scrollbars[SBAR_RIGHT]) 4167 { 4168 /* 4169 * If we have two scrollbars and one of them is being dragged, just 4170 * copy the scrollbar position from the dragged one to the other one. 4171 */ 4172 which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb; 4173 if (gui.dragged_wp != NULL) 4174 gui_mch_set_scrollbar_thumb( 4175 &gui.dragged_wp->w_scrollbars[which_sb], 4176 gui.dragged_wp->w_scrollbars[0].value, 4177 gui.dragged_wp->w_scrollbars[0].size, 4178 gui.dragged_wp->w_scrollbars[0].max); 4179 } 4180 4181 /* avoid that moving components around generates events */ 4182 ++hold_gui_events; 4183 4184 for (wp = firstwin; wp != NULL; wp = W_NEXT(wp)) 4185 { 4186 if (wp->w_buffer == NULL) /* just in case */ 4187 continue; 4188 /* Skip a scrollbar that is being dragged. */ 4189 if (!force && (gui.dragged_sb == SBAR_LEFT 4190 || gui.dragged_sb == SBAR_RIGHT) 4191 && gui.dragged_wp == wp) 4192 continue; 4193 4194 #ifdef SCROLL_PAST_END 4195 max = wp->w_buffer->b_ml.ml_line_count - 1; 4196 #else 4197 max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2; 4198 #endif 4199 if (max < 0) /* empty buffer */ 4200 max = 0; 4201 val = wp->w_topline - 1; 4202 size = wp->w_height; 4203 #ifdef SCROLL_PAST_END 4204 if (val > max) /* just in case */ 4205 val = max; 4206 #else 4207 if (size > max + 1) /* just in case */ 4208 size = max + 1; 4209 if (val > max - size + 1) 4210 val = max - size + 1; 4211 #endif 4212 if (val < 0) /* minimal value is 0 */ 4213 val = 0; 4214 4215 /* 4216 * Scrollbar at index 0 (the left one) contains all the information. 4217 * It would be the same info for left and right so we just store it for 4218 * one of them. 4219 */ 4220 sb = &wp->w_scrollbars[0]; 4221 4222 /* 4223 * Note: no check for valid w_botline. If it's not valid the 4224 * scrollbars will be updated later anyway. 4225 */ 4226 if (size < 1 || wp->w_botline - 2 > max) 4227 { 4228 /* 4229 * This can happen during changing files. Just don't update the 4230 * scrollbar for now. 4231 */ 4232 sb->height = 0; /* Force update next time */ 4233 if (gui.which_scrollbars[SBAR_LEFT]) 4234 gui_do_scrollbar(wp, SBAR_LEFT, FALSE); 4235 if (gui.which_scrollbars[SBAR_RIGHT]) 4236 gui_do_scrollbar(wp, SBAR_RIGHT, FALSE); 4237 continue; 4238 } 4239 if (force || sb->height != wp->w_height 4240 || sb->top != wp->w_winrow 4241 || sb->status_height != wp->w_status_height 4242 || sb->width != wp->w_width 4243 || prev_curwin != curwin) 4244 { 4245 /* Height, width or position of scrollbar has changed. For 4246 * vertical split: curwin changed. */ 4247 sb->height = wp->w_height; 4248 sb->top = wp->w_winrow; 4249 sb->status_height = wp->w_status_height; 4250 sb->width = wp->w_width; 4251 4252 /* Calculate height and position in pixels */ 4253 h = (sb->height + sb->status_height) * gui.char_height; 4254 y = sb->top * gui.char_height + gui.border_offset; 4255 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON) 4256 if (gui.menu_is_active) 4257 y += gui.menu_height; 4258 #endif 4259 4260 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA)) 4261 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 4262 # ifdef FEAT_GUI_ATHENA 4263 y += gui.toolbar_height; 4264 # else 4265 # ifdef FEAT_GUI_MSWIN 4266 y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 4267 # endif 4268 # endif 4269 #endif 4270 4271 #if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN) 4272 if (gui_has_tabline()) 4273 y += gui.tabline_height; 4274 #endif 4275 4276 if (wp->w_winrow == 0) 4277 { 4278 /* Height of top scrollbar includes width of top border */ 4279 h += gui.border_offset; 4280 y -= gui.border_offset; 4281 } 4282 if (gui.which_scrollbars[SBAR_LEFT]) 4283 { 4284 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT], 4285 gui.left_sbar_x, y, 4286 gui.scrollbar_width, h); 4287 gui_do_scrollbar(wp, SBAR_LEFT, TRUE); 4288 } 4289 if (gui.which_scrollbars[SBAR_RIGHT]) 4290 { 4291 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT], 4292 gui.right_sbar_x, y, 4293 gui.scrollbar_width, h); 4294 gui_do_scrollbar(wp, SBAR_RIGHT, TRUE); 4295 } 4296 } 4297 4298 /* Reduce the number of calls to gui_mch_set_scrollbar_thumb() by 4299 * checking if the thumb moved at least a pixel. Only do this for 4300 * Athena, most other GUIs require the update anyway to make the 4301 * arrows work. */ 4302 #ifdef FEAT_GUI_ATHENA 4303 if (max == 0) 4304 y = 0; 4305 else 4306 y = (val * (sb->height + 2) * gui.char_height + max / 2) / max; 4307 if (force || sb->pixval != y || sb->size != size || sb->max != max) 4308 #else 4309 if (force || sb->value != val || sb->size != size || sb->max != max) 4310 #endif 4311 { 4312 /* Thumb of scrollbar has moved */ 4313 sb->value = val; 4314 #ifdef FEAT_GUI_ATHENA 4315 sb->pixval = y; 4316 #endif 4317 sb->size = size; 4318 sb->max = max; 4319 if (gui.which_scrollbars[SBAR_LEFT] 4320 && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp)) 4321 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT], 4322 val, size, max); 4323 if (gui.which_scrollbars[SBAR_RIGHT] 4324 && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp)) 4325 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT], 4326 val, size, max); 4327 } 4328 } 4329 prev_curwin = curwin; 4330 --hold_gui_events; 4331 } 4332 4333 /* 4334 * Enable or disable a scrollbar. 4335 * Check for scrollbars for vertically split windows which are not enabled 4336 * sometimes. 4337 */ 4338 static void 4339 gui_do_scrollbar( 4340 win_T *wp, 4341 int which, /* SBAR_LEFT or SBAR_RIGHT */ 4342 int enable) /* TRUE to enable scrollbar */ 4343 { 4344 int midcol = curwin->w_wincol + curwin->w_width / 2; 4345 int has_midcol = (wp->w_wincol <= midcol 4346 && wp->w_wincol + wp->w_width >= midcol); 4347 4348 /* Only enable scrollbars that contain the middle column of the current 4349 * window. */ 4350 if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT]) 4351 { 4352 /* Scrollbars only on one side. Don't enable scrollbars that don't 4353 * contain the middle column of the current window. */ 4354 if (!has_midcol) 4355 enable = FALSE; 4356 } 4357 else 4358 { 4359 /* Scrollbars on both sides. Don't enable scrollbars that neither 4360 * contain the middle column of the current window nor are on the far 4361 * side. */ 4362 if (midcol > Columns / 2) 4363 { 4364 if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol) 4365 enable = FALSE; 4366 } 4367 else 4368 { 4369 if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns 4370 : !has_midcol) 4371 enable = FALSE; 4372 } 4373 } 4374 gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable); 4375 } 4376 4377 /* 4378 * Scroll a window according to the values set in the globals current_scrollbar 4379 * and scrollbar_value. Return TRUE if the cursor in the current window moved 4380 * or FALSE otherwise. 4381 */ 4382 int 4383 gui_do_scroll(void) 4384 { 4385 win_T *wp, *save_wp; 4386 int i; 4387 long nlines; 4388 pos_T old_cursor; 4389 linenr_T old_topline; 4390 #ifdef FEAT_DIFF 4391 int old_topfill; 4392 #endif 4393 4394 for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++) 4395 if (wp == NULL) 4396 break; 4397 if (wp == NULL) 4398 /* Couldn't find window */ 4399 return FALSE; 4400 4401 /* 4402 * Compute number of lines to scroll. If zero, nothing to do. 4403 */ 4404 nlines = (long)scrollbar_value + 1 - (long)wp->w_topline; 4405 if (nlines == 0) 4406 return FALSE; 4407 4408 save_wp = curwin; 4409 old_topline = wp->w_topline; 4410 #ifdef FEAT_DIFF 4411 old_topfill = wp->w_topfill; 4412 #endif 4413 old_cursor = wp->w_cursor; 4414 curwin = wp; 4415 curbuf = wp->w_buffer; 4416 if (nlines < 0) 4417 scrolldown(-nlines, gui.dragged_wp == NULL); 4418 else 4419 scrollup(nlines, gui.dragged_wp == NULL); 4420 /* Reset dragged_wp after using it. "dragged_sb" will have been reset for 4421 * the mouse-up event already, but we still want it to behave like when 4422 * dragging. But not the next click in an arrow. */ 4423 if (gui.dragged_sb == SBAR_NONE) 4424 gui.dragged_wp = NULL; 4425 4426 if (old_topline != wp->w_topline 4427 #ifdef FEAT_DIFF 4428 || old_topfill != wp->w_topfill 4429 #endif 4430 ) 4431 { 4432 if (p_so != 0) 4433 { 4434 cursor_correct(); /* fix window for 'so' */ 4435 update_topline(); /* avoid up/down jump */ 4436 } 4437 if (old_cursor.lnum != wp->w_cursor.lnum) 4438 coladvance(wp->w_curswant); 4439 #ifdef FEAT_SCROLLBIND 4440 wp->w_scbind_pos = wp->w_topline; 4441 #endif 4442 } 4443 4444 /* Make sure wp->w_leftcol and wp->w_skipcol are correct. */ 4445 validate_cursor(); 4446 4447 curwin = save_wp; 4448 curbuf = save_wp->w_buffer; 4449 4450 /* 4451 * Don't call updateWindow() when nothing has changed (it will overwrite 4452 * the status line!). 4453 */ 4454 if (old_topline != wp->w_topline 4455 || wp->w_redr_type != 0 4456 #ifdef FEAT_DIFF 4457 || old_topfill != wp->w_topfill 4458 #endif 4459 ) 4460 { 4461 int type = VALID; 4462 4463 #ifdef FEAT_INS_EXPAND 4464 if (pum_visible()) 4465 { 4466 type = NOT_VALID; 4467 wp->w_lines_valid = 0; 4468 } 4469 #endif 4470 /* Don't set must_redraw here, it may cause the popup menu to 4471 * disappear when losing focus after a scrollbar drag. */ 4472 if (wp->w_redr_type < type) 4473 wp->w_redr_type = type; 4474 updateWindow(wp); /* update window, status line, and cmdline */ 4475 } 4476 4477 #ifdef FEAT_INS_EXPAND 4478 /* May need to redraw the popup menu. */ 4479 if (pum_visible()) 4480 pum_redraw(); 4481 #endif 4482 4483 return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor)); 4484 } 4485 4486 4487 /* 4488 * Horizontal scrollbar stuff: 4489 */ 4490 4491 /* 4492 * Return length of line "lnum" for horizontal scrolling. 4493 */ 4494 static colnr_T 4495 scroll_line_len(linenr_T lnum) 4496 { 4497 char_u *p; 4498 colnr_T col; 4499 int w; 4500 4501 p = ml_get(lnum); 4502 col = 0; 4503 if (*p != NUL) 4504 for (;;) 4505 { 4506 w = chartabsize(p, col); 4507 MB_PTR_ADV(p); 4508 if (*p == NUL) /* don't count the last character */ 4509 break; 4510 col += w; 4511 } 4512 return col; 4513 } 4514 4515 /* Remember which line is currently the longest, so that we don't have to 4516 * search for it when scrolling horizontally. */ 4517 static linenr_T longest_lnum = 0; 4518 4519 /* 4520 * Find longest visible line number. If this is not possible (or not desired, 4521 * by setting 'h' in "guioptions") then the current line number is returned. 4522 */ 4523 static linenr_T 4524 gui_find_longest_lnum(void) 4525 { 4526 linenr_T ret = 0; 4527 4528 /* Calculate maximum for horizontal scrollbar. Check for reasonable 4529 * line numbers, topline and botline can be invalid when displaying is 4530 * postponed. */ 4531 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4532 && curwin->w_topline <= curwin->w_cursor.lnum 4533 && curwin->w_botline > curwin->w_cursor.lnum 4534 && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1) 4535 { 4536 linenr_T lnum; 4537 colnr_T n; 4538 long max = 0; 4539 4540 /* Use maximum of all visible lines. Remember the lnum of the 4541 * longest line, closest to the cursor line. Used when scrolling 4542 * below. */ 4543 for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum) 4544 { 4545 n = scroll_line_len(lnum); 4546 if (n > (colnr_T)max) 4547 { 4548 max = n; 4549 ret = lnum; 4550 } 4551 else if (n == (colnr_T)max 4552 && abs((int)(lnum - curwin->w_cursor.lnum)) 4553 < abs((int)(ret - curwin->w_cursor.lnum))) 4554 ret = lnum; 4555 } 4556 } 4557 else 4558 /* Use cursor line only. */ 4559 ret = curwin->w_cursor.lnum; 4560 4561 return ret; 4562 } 4563 4564 static void 4565 gui_update_horiz_scrollbar(int force) 4566 { 4567 long value, size, max; /* need 32 bit ints here */ 4568 4569 if (!gui.which_scrollbars[SBAR_BOTTOM]) 4570 return; 4571 4572 if (!force && gui.dragged_sb == SBAR_BOTTOM) 4573 return; 4574 4575 if (!force && curwin->w_p_wrap && gui.prev_wrap) 4576 return; 4577 4578 /* 4579 * It is possible for the cursor to be invalid if we're in the middle of 4580 * something (like changing files). If so, don't do anything for now. 4581 */ 4582 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 4583 { 4584 gui.bottom_sbar.value = -1; 4585 return; 4586 } 4587 4588 size = curwin->w_width; 4589 if (curwin->w_p_wrap) 4590 { 4591 value = 0; 4592 #ifdef SCROLL_PAST_END 4593 max = 0; 4594 #else 4595 max = curwin->w_width - 1; 4596 #endif 4597 } 4598 else 4599 { 4600 value = curwin->w_leftcol; 4601 4602 longest_lnum = gui_find_longest_lnum(); 4603 max = scroll_line_len(longest_lnum); 4604 4605 #ifdef FEAT_VIRTUALEDIT 4606 if (virtual_active()) 4607 { 4608 /* May move the cursor even further to the right. */ 4609 if (curwin->w_virtcol >= (colnr_T)max) 4610 max = curwin->w_virtcol; 4611 } 4612 #endif 4613 4614 #ifndef SCROLL_PAST_END 4615 max += curwin->w_width - 1; 4616 #endif 4617 /* The line number isn't scrolled, thus there is less space when 4618 * 'number' or 'relativenumber' is set (also for 'foldcolumn'). */ 4619 size -= curwin_col_off(); 4620 #ifndef SCROLL_PAST_END 4621 max -= curwin_col_off(); 4622 #endif 4623 } 4624 4625 #ifndef SCROLL_PAST_END 4626 if (value > max - size + 1) 4627 value = max - size + 1; /* limit the value to allowable range */ 4628 #endif 4629 4630 #ifdef FEAT_RIGHTLEFT 4631 if (curwin->w_p_rl) 4632 { 4633 value = max + 1 - size - value; 4634 if (value < 0) 4635 { 4636 size += value; 4637 value = 0; 4638 } 4639 } 4640 #endif 4641 if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size 4642 && max == gui.bottom_sbar.max) 4643 return; 4644 4645 gui.bottom_sbar.value = value; 4646 gui.bottom_sbar.size = size; 4647 gui.bottom_sbar.max = max; 4648 gui.prev_wrap = curwin->w_p_wrap; 4649 4650 gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max); 4651 } 4652 4653 /* 4654 * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise. 4655 */ 4656 int 4657 gui_do_horiz_scroll(long_u leftcol, int compute_longest_lnum) 4658 { 4659 /* no wrapping, no scrolling */ 4660 if (curwin->w_p_wrap) 4661 return FALSE; 4662 4663 if (curwin->w_leftcol == (colnr_T)leftcol) 4664 return FALSE; 4665 4666 curwin->w_leftcol = (colnr_T)leftcol; 4667 4668 /* When the line of the cursor is too short, move the cursor to the 4669 * longest visible line. */ 4670 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4671 && !virtual_active() 4672 && (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum)) 4673 { 4674 if (compute_longest_lnum) 4675 { 4676 curwin->w_cursor.lnum = gui_find_longest_lnum(); 4677 curwin->w_cursor.col = 0; 4678 } 4679 /* Do a sanity check on "longest_lnum", just in case. */ 4680 else if (longest_lnum >= curwin->w_topline 4681 && longest_lnum < curwin->w_botline) 4682 { 4683 curwin->w_cursor.lnum = longest_lnum; 4684 curwin->w_cursor.col = 0; 4685 } 4686 } 4687 4688 return leftcol_changed(); 4689 } 4690 4691 /* 4692 * Check that none of the colors are the same as the background color 4693 */ 4694 void 4695 gui_check_colors(void) 4696 { 4697 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4698 { 4699 gui_set_bg_color((char_u *)"White"); 4700 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4701 gui_set_fg_color((char_u *)"Black"); 4702 } 4703 } 4704 4705 static void 4706 gui_set_fg_color(char_u *name) 4707 { 4708 gui.norm_pixel = gui_get_color(name); 4709 hl_set_fg_color_name(vim_strsave(name)); 4710 } 4711 4712 static void 4713 gui_set_bg_color(char_u *name) 4714 { 4715 gui.back_pixel = gui_get_color(name); 4716 hl_set_bg_color_name(vim_strsave(name)); 4717 } 4718 4719 /* 4720 * Allocate a color by name. 4721 * Returns INVALCOLOR and gives an error message when failed. 4722 */ 4723 guicolor_T 4724 gui_get_color(char_u *name) 4725 { 4726 guicolor_T t; 4727 4728 if (*name == NUL) 4729 return INVALCOLOR; 4730 t = gui_mch_get_color(name); 4731 4732 if (t == INVALCOLOR 4733 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) 4734 && gui.in_use 4735 #endif 4736 ) 4737 EMSG2(_("E254: Cannot allocate color %s"), name); 4738 return t; 4739 } 4740 4741 /* 4742 * Return the grey value of a color (range 0-255). 4743 */ 4744 int 4745 gui_get_lightness(guicolor_T pixel) 4746 { 4747 long_u rgb = (long_u)gui_mch_get_rgb(pixel); 4748 4749 return (int)( (((rgb >> 16) & 0xff) * 299) 4750 + (((rgb >> 8) & 0xff) * 587) 4751 + ((rgb & 0xff) * 114)) / 1000; 4752 } 4753 4754 #if defined(FEAT_GUI_X11) || defined(PROTO) 4755 void 4756 gui_new_scrollbar_colors(void) 4757 { 4758 win_T *wp; 4759 4760 /* Nothing to do if GUI hasn't started yet. */ 4761 if (!gui.in_use) 4762 return; 4763 4764 FOR_ALL_WINDOWS(wp) 4765 { 4766 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT])); 4767 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT])); 4768 } 4769 gui_mch_set_scrollbar_colors(&gui.bottom_sbar); 4770 } 4771 #endif 4772 4773 /* 4774 * Call this when focus has changed. 4775 */ 4776 void 4777 gui_focus_change(int in_focus) 4778 { 4779 /* 4780 * Skip this code to avoid drawing the cursor when debugging and switching 4781 * between the debugger window and gvim. 4782 */ 4783 #if 1 4784 gui.in_focus = in_focus; 4785 out_flush(); /* make sure output has been written */ 4786 gui_update_cursor(TRUE, FALSE); 4787 4788 # ifdef FEAT_XIM 4789 xim_set_focus(in_focus); 4790 # endif 4791 4792 /* Put events in the input queue only when allowed. 4793 * ui_focus_change() isn't called directly, because it invokes 4794 * autocommands and that must not happen asynchronously. */ 4795 if (!hold_gui_events) 4796 { 4797 char_u bytes[3]; 4798 4799 bytes[0] = CSI; 4800 bytes[1] = KS_EXTRA; 4801 bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST; 4802 add_to_input_buf(bytes, 3); 4803 } 4804 #endif 4805 } 4806 4807 /* 4808 * Called when the mouse moved (but not when dragging). 4809 */ 4810 void 4811 gui_mouse_moved(int x, int y) 4812 { 4813 win_T *wp; 4814 char_u st[8]; 4815 4816 /* Ignore this while still starting up. */ 4817 if (!gui.in_use || gui.starting) 4818 return; 4819 4820 #ifdef FEAT_MOUSESHAPE 4821 /* Get window pointer, and update mouse shape as well. */ 4822 wp = xy2win(x, y); 4823 #endif 4824 4825 /* Only handle this when 'mousefocus' set and ... */ 4826 if (p_mousef 4827 && !hold_gui_events /* not holding events */ 4828 && (State & (NORMAL|INSERT))/* Normal/Visual/Insert mode */ 4829 && State != HITRETURN /* but not hit-return prompt */ 4830 && msg_scrolled == 0 /* no scrolled message */ 4831 && !need_mouse_correct /* not moving the pointer */ 4832 && gui.in_focus) /* gvim in focus */ 4833 { 4834 /* Don't move the mouse when it's left or right of the Vim window */ 4835 if (x < 0 || x > Columns * gui.char_width) 4836 return; 4837 #ifndef FEAT_MOUSESHAPE 4838 wp = xy2win(x, y); 4839 #endif 4840 if (wp == curwin || wp == NULL) 4841 return; /* still in the same old window, or none at all */ 4842 4843 /* Ignore position in the tab pages line. */ 4844 if (Y_2_ROW(y) < tabline_height()) 4845 return; 4846 4847 /* 4848 * format a mouse click on status line input 4849 * ala gui_send_mouse_event(0, x, y, 0, 0); 4850 * Trick: Use a column number -1, so that get_pseudo_mouse_code() will 4851 * generate a K_LEFTMOUSE_NM key code. 4852 */ 4853 if (finish_op) 4854 { 4855 /* abort the current operator first */ 4856 st[0] = ESC; 4857 add_to_input_buf(st, 1); 4858 } 4859 st[0] = CSI; 4860 st[1] = KS_MOUSE; 4861 st[2] = KE_FILLER; 4862 st[3] = (char_u)MOUSE_LEFT; 4863 fill_mouse_coord(st + 4, 4864 wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF, 4865 wp->w_height + W_WINROW(wp)); 4866 4867 add_to_input_buf(st, 8); 4868 st[3] = (char_u)MOUSE_RELEASE; 4869 add_to_input_buf(st, 8); 4870 #ifdef FEAT_GUI_GTK 4871 /* Need to wake up the main loop */ 4872 if (gtk_main_level() > 0) 4873 gtk_main_quit(); 4874 #endif 4875 } 4876 } 4877 4878 /* 4879 * Called when mouse should be moved to window with focus. 4880 */ 4881 void 4882 gui_mouse_correct(void) 4883 { 4884 int x, y; 4885 win_T *wp = NULL; 4886 4887 need_mouse_correct = FALSE; 4888 4889 if (!(gui.in_use && p_mousef)) 4890 return; 4891 4892 gui_mch_getmouse(&x, &y); 4893 /* Don't move the mouse when it's left or right of the Vim window */ 4894 if (x < 0 || x > Columns * gui.char_width) 4895 return; 4896 if (y >= 0 && Y_2_ROW(y) >= tabline_height()) 4897 wp = xy2win(x, y); 4898 if (wp != curwin && wp != NULL) /* If in other than current window */ 4899 { 4900 validate_cline_row(); 4901 gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3, 4902 (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height 4903 + (gui.char_height) / 2); 4904 } 4905 } 4906 4907 /* 4908 * Find window where the mouse pointer "x" / "y" coordinate is in. 4909 */ 4910 static win_T * 4911 xy2win(int x UNUSED, int y UNUSED) 4912 { 4913 int row; 4914 int col; 4915 win_T *wp; 4916 4917 row = Y_2_ROW(y); 4918 col = X_2_COL(x); 4919 if (row < 0 || col < 0) /* before first window */ 4920 return NULL; 4921 wp = mouse_find_win(&row, &col); 4922 if (wp == NULL) 4923 return NULL; 4924 #ifdef FEAT_MOUSESHAPE 4925 if (State == HITRETURN || State == ASKMORE) 4926 { 4927 if (Y_2_ROW(y) >= msg_row) 4928 update_mouseshape(SHAPE_IDX_MOREL); 4929 else 4930 update_mouseshape(SHAPE_IDX_MORE); 4931 } 4932 else if (row > wp->w_height) /* below status line */ 4933 update_mouseshape(SHAPE_IDX_CLINE); 4934 else if (!(State & CMDLINE) && wp->w_vsep_width > 0 && col == wp->w_width 4935 && (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0) 4936 update_mouseshape(SHAPE_IDX_VSEP); 4937 else if (!(State & CMDLINE) && wp->w_status_height > 0 4938 && row == wp->w_height && msg_scrolled == 0) 4939 update_mouseshape(SHAPE_IDX_STATUS); 4940 else 4941 update_mouseshape(-2); 4942 #endif 4943 return wp; 4944 } 4945 4946 /* 4947 * ":gui" and ":gvim": Change from the terminal version to the GUI version. 4948 * File names may be given to redefine the args list. 4949 */ 4950 void 4951 ex_gui(exarg_T *eap) 4952 { 4953 char_u *arg = eap->arg; 4954 4955 /* 4956 * Check for "-f" argument: foreground, don't fork. 4957 * Also don't fork when started with "gvim -f". 4958 * Do fork when using "gui -b". 4959 */ 4960 if (arg[0] == '-' 4961 && (arg[1] == 'f' || arg[1] == 'b') 4962 && (arg[2] == NUL || VIM_ISWHITE(arg[2]))) 4963 { 4964 gui.dofork = (arg[1] == 'b'); 4965 eap->arg = skipwhite(eap->arg + 2); 4966 } 4967 if (!gui.in_use) 4968 { 4969 /* Clear the command. Needed for when forking+exiting, to avoid part 4970 * of the argument ending up after the shell prompt. */ 4971 msg_clr_eos_force(); 4972 gui_start(); 4973 #ifdef FEAT_JOB_CHANNEL 4974 channel_gui_register_all(); 4975 #endif 4976 } 4977 if (!ends_excmd(*eap->arg)) 4978 ex_next(eap); 4979 } 4980 4981 #if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32) \ 4982 || defined(FEAT_GUI_PHOTON)) && defined(FEAT_TOOLBAR)) || defined(PROTO) 4983 /* 4984 * This is shared between Athena, Motif and GTK. 4985 */ 4986 static void gfp_setname(char_u *fname, void *cookie); 4987 4988 /* 4989 * Callback function for do_in_runtimepath(). 4990 */ 4991 static void 4992 gfp_setname(char_u *fname, void *cookie) 4993 { 4994 char_u *gfp_buffer = cookie; 4995 4996 if (STRLEN(fname) >= MAXPATHL) 4997 *gfp_buffer = NUL; 4998 else 4999 STRCPY(gfp_buffer, fname); 5000 } 5001 5002 /* 5003 * Find the path of bitmap "name" with extension "ext" in 'runtimepath'. 5004 * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result. 5005 */ 5006 int 5007 gui_find_bitmap(char_u *name, char_u *buffer, char *ext) 5008 { 5009 if (STRLEN(name) > MAXPATHL - 14) 5010 return FAIL; 5011 vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext); 5012 if (do_in_runtimepath(buffer, 0, gfp_setname, buffer) == FAIL 5013 || *buffer == NUL) 5014 return FAIL; 5015 return OK; 5016 } 5017 5018 # if !defined(FEAT_GUI_GTK) || defined(PROTO) 5019 /* 5020 * Given the name of the "icon=" argument, try finding the bitmap file for the 5021 * icon. If it is an absolute path name, use it as it is. Otherwise append 5022 * "ext" and search for it in 'runtimepath'. 5023 * The result is put in "buffer[MAXPATHL]". If something fails "buffer" 5024 * contains "name". 5025 */ 5026 void 5027 gui_find_iconfile(char_u *name, char_u *buffer, char *ext) 5028 { 5029 char_u buf[MAXPATHL + 1]; 5030 5031 expand_env(name, buffer, MAXPATHL); 5032 if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK) 5033 STRCPY(buffer, buf); 5034 } 5035 # endif 5036 #endif 5037 5038 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO) 5039 void 5040 display_errors(void) 5041 { 5042 char_u *p; 5043 5044 if (isatty(2)) 5045 fflush(stderr); 5046 else if (error_ga.ga_data != NULL) 5047 { 5048 /* avoid putting up a message box with blanks only */ 5049 for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p) 5050 if (!isspace(*p)) 5051 { 5052 /* Truncate a very long message, it will go off-screen. */ 5053 if (STRLEN(p) > 2000) 5054 STRCPY(p + 2000 - 14, "...(truncated)"); 5055 (void)do_dialog(VIM_ERROR, (char_u *)_("Error"), 5056 p, (char_u *)_("&Ok"), 1, NULL, FALSE); 5057 break; 5058 } 5059 ga_clear(&error_ga); 5060 } 5061 } 5062 #endif 5063 5064 #if defined(NO_CONSOLE_INPUT) || defined(PROTO) 5065 /* 5066 * Return TRUE if still starting up and there is no place to enter text. 5067 * For GTK and X11 we check if stderr is not a tty, which means we were 5068 * (probably) started from the desktop. Also check stdin, "vim >& file" does 5069 * allow typing on stdin. 5070 */ 5071 int 5072 no_console_input(void) 5073 { 5074 return ((!gui.in_use || gui.starting) 5075 # ifndef NO_CONSOLE 5076 && !isatty(0) && !isatty(2) 5077 # endif 5078 ); 5079 } 5080 #endif 5081 5082 #if defined(FIND_REPLACE_DIALOG) || defined(FEAT_SUN_WORKSHOP) \ 5083 || defined(NEED_GUI_UPDATE_SCREEN) \ 5084 || defined(PROTO) 5085 /* 5086 * Update the current window and the screen. 5087 */ 5088 void 5089 gui_update_screen(void) 5090 { 5091 #ifdef FEAT_CONCEAL 5092 linenr_T conceal_old_cursor_line = 0; 5093 linenr_T conceal_new_cursor_line = 0; 5094 int conceal_update_lines = FALSE; 5095 #endif 5096 5097 update_topline(); 5098 validate_cursor(); 5099 5100 #if defined(FEAT_AUTOCMD) || defined(FEAT_CONCEAL) 5101 /* Trigger CursorMoved if the cursor moved. */ 5102 if (!finish_op && ( 5103 # ifdef FEAT_AUTOCMD 5104 has_cursormoved() 5105 # endif 5106 # if defined(FEAT_AUTOCMD) && defined(FEAT_CONCEAL) 5107 || 5108 # endif 5109 # ifdef FEAT_CONCEAL 5110 curwin->w_p_cole > 0 5111 # endif 5112 ) 5113 && !EQUAL_POS(last_cursormoved, curwin->w_cursor)) 5114 { 5115 # ifdef FEAT_AUTOCMD 5116 if (has_cursormoved()) 5117 apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf); 5118 # endif 5119 # ifdef FEAT_CONCEAL 5120 if (curwin->w_p_cole > 0) 5121 { 5122 conceal_old_cursor_line = last_cursormoved.lnum; 5123 conceal_new_cursor_line = curwin->w_cursor.lnum; 5124 conceal_update_lines = TRUE; 5125 } 5126 # endif 5127 last_cursormoved = curwin->w_cursor; 5128 } 5129 #endif 5130 5131 update_screen(0); /* may need to update the screen */ 5132 setcursor(); 5133 # if defined(FEAT_CONCEAL) 5134 if (conceal_update_lines 5135 && (conceal_old_cursor_line != conceal_new_cursor_line 5136 || conceal_cursor_line(curwin) 5137 || need_cursor_line_redraw)) 5138 { 5139 if (conceal_old_cursor_line != conceal_new_cursor_line) 5140 update_single_line(curwin, conceal_old_cursor_line); 5141 update_single_line(curwin, conceal_new_cursor_line); 5142 curwin->w_valid &= ~VALID_CROW; 5143 } 5144 # endif 5145 out_flush(); /* make sure output has been written */ 5146 gui_update_cursor(TRUE, FALSE); 5147 gui_mch_flush(); 5148 } 5149 #endif 5150 5151 #if defined(FIND_REPLACE_DIALOG) || defined(PROTO) 5152 static void concat_esc(garray_T *gap, char_u *text, int what); 5153 5154 /* 5155 * Get the text to use in a find/replace dialog. Uses the last search pattern 5156 * if the argument is empty. 5157 * Returns an allocated string. 5158 */ 5159 char_u * 5160 get_find_dialog_text( 5161 char_u *arg, 5162 int *wwordp, /* return: TRUE if \< \> found */ 5163 int *mcasep) /* return: TRUE if \C found */ 5164 { 5165 char_u *text; 5166 5167 if (*arg == NUL) 5168 text = last_search_pat(); 5169 else 5170 text = arg; 5171 if (text != NULL) 5172 { 5173 text = vim_strsave(text); 5174 if (text != NULL) 5175 { 5176 int len = (int)STRLEN(text); 5177 int i; 5178 5179 /* Remove "\V" */ 5180 if (len >= 2 && STRNCMP(text, "\\V", 2) == 0) 5181 { 5182 mch_memmove(text, text + 2, (size_t)(len - 1)); 5183 len -= 2; 5184 } 5185 5186 /* Recognize "\c" and "\C" and remove. */ 5187 if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C')) 5188 { 5189 *mcasep = (text[1] == 'C'); 5190 mch_memmove(text, text + 2, (size_t)(len - 1)); 5191 len -= 2; 5192 } 5193 5194 /* Recognize "\<text\>" and remove. */ 5195 if (len >= 4 5196 && STRNCMP(text, "\\<", 2) == 0 5197 && STRNCMP(text + len - 2, "\\>", 2) == 0) 5198 { 5199 *wwordp = TRUE; 5200 mch_memmove(text, text + 2, (size_t)(len - 4)); 5201 text[len - 4] = NUL; 5202 } 5203 5204 /* Recognize "\/" or "\?" and remove. */ 5205 for (i = 0; i + 1 < len; ++i) 5206 if (text[i] == '\\' && (text[i + 1] == '/' 5207 || text[i + 1] == '?')) 5208 { 5209 mch_memmove(text + i, text + i + 1, (size_t)(len - i)); 5210 --len; 5211 } 5212 } 5213 } 5214 return text; 5215 } 5216 5217 /* 5218 * Concatenate "text" to grow array "gap", escaping "what" with a backslash. 5219 */ 5220 static void 5221 concat_esc(garray_T *gap, char_u *text, int what) 5222 { 5223 while (*text != NUL) 5224 { 5225 #ifdef FEAT_MBYTE 5226 int l = (*mb_ptr2len)(text); 5227 5228 if (l > 1) 5229 { 5230 while (--l >= 0) 5231 ga_append(gap, *text++); 5232 continue; 5233 } 5234 #endif 5235 if (*text == what) 5236 ga_append(gap, '\\'); 5237 ga_append(gap, *text); 5238 ++text; 5239 } 5240 } 5241 5242 /* 5243 * Handle the press of a button in the find-replace dialog. 5244 * Return TRUE when something was added to the input buffer. 5245 */ 5246 int 5247 gui_do_findrepl( 5248 int flags, /* one of FRD_REPLACE, FRD_FINDNEXT, etc. */ 5249 char_u *find_text, 5250 char_u *repl_text, 5251 int down) /* Search downwards. */ 5252 { 5253 garray_T ga; 5254 int i; 5255 int type = (flags & FRD_TYPE_MASK); 5256 char_u *p; 5257 regmatch_T regmatch; 5258 int save_did_emsg = did_emsg; 5259 static int busy = FALSE; 5260 5261 /* When the screen is being updated we should not change buffers and 5262 * windows structures, it may cause freed memory to be used. Also don't 5263 * do this recursively (pressing "Find" quickly several times. */ 5264 if (updating_screen || busy) 5265 return FALSE; 5266 5267 /* refuse replace when text cannot be changed */ 5268 if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked()) 5269 return FALSE; 5270 5271 busy = TRUE; 5272 5273 ga_init2(&ga, 1, 100); 5274 if (type == FRD_REPLACEALL) 5275 ga_concat(&ga, (char_u *)"%s/"); 5276 5277 ga_concat(&ga, (char_u *)"\\V"); 5278 if (flags & FRD_MATCH_CASE) 5279 ga_concat(&ga, (char_u *)"\\C"); 5280 else 5281 ga_concat(&ga, (char_u *)"\\c"); 5282 if (flags & FRD_WHOLE_WORD) 5283 ga_concat(&ga, (char_u *)"\\<"); 5284 if (type == FRD_REPLACEALL || down) 5285 concat_esc(&ga, find_text, '/'); /* escape slashes */ 5286 else 5287 concat_esc(&ga, find_text, '?'); /* escape '?' */ 5288 if (flags & FRD_WHOLE_WORD) 5289 ga_concat(&ga, (char_u *)"\\>"); 5290 5291 if (type == FRD_REPLACEALL) 5292 { 5293 ga_concat(&ga, (char_u *)"/"); 5294 /* escape / and \ */ 5295 p = vim_strsave_escaped(repl_text, (char_u *)"/\\"); 5296 if (p != NULL) 5297 ga_concat(&ga, p); 5298 vim_free(p); 5299 ga_concat(&ga, (char_u *)"/g"); 5300 } 5301 ga_append(&ga, NUL); 5302 5303 if (type == FRD_REPLACE) 5304 { 5305 /* Do the replacement when the text at the cursor matches. Thus no 5306 * replacement is done if the cursor was moved! */ 5307 regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING); 5308 regmatch.rm_ic = 0; 5309 if (regmatch.regprog != NULL) 5310 { 5311 p = ml_get_cursor(); 5312 if (vim_regexec_nl(®match, p, (colnr_T)0) 5313 && regmatch.startp[0] == p) 5314 { 5315 /* Clear the command line to remove any old "No match" 5316 * error. */ 5317 msg_end_prompt(); 5318 5319 if (u_save_cursor() == OK) 5320 { 5321 /* A button was pressed thus undo should be synced. */ 5322 u_sync(FALSE); 5323 5324 del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]), 5325 FALSE, FALSE); 5326 ins_str(repl_text); 5327 } 5328 } 5329 else 5330 MSG(_("No match at cursor, finding next")); 5331 vim_regfree(regmatch.regprog); 5332 } 5333 } 5334 5335 if (type == FRD_REPLACEALL) 5336 { 5337 /* A button was pressed, thus undo should be synced. */ 5338 u_sync(FALSE); 5339 do_cmdline_cmd(ga.ga_data); 5340 } 5341 else 5342 { 5343 int searchflags = SEARCH_MSG + SEARCH_MARK; 5344 5345 /* Search for the next match. 5346 * Don't skip text under cursor for single replace. */ 5347 if (type == FRD_REPLACE) 5348 searchflags += SEARCH_START; 5349 i = msg_scroll; 5350 (void)do_search(NULL, down ? '/' : '?', ga.ga_data, 1L, 5351 searchflags, NULL, NULL); 5352 msg_scroll = i; /* don't let an error message set msg_scroll */ 5353 } 5354 5355 /* Don't want to pass did_emsg to other code, it may cause disabling 5356 * syntax HL if we were busy redrawing. */ 5357 did_emsg = save_did_emsg; 5358 5359 if (State & (NORMAL | INSERT)) 5360 { 5361 gui_update_screen(); /* update the screen */ 5362 msg_didout = 0; /* overwrite any message */ 5363 need_wait_return = FALSE; /* don't wait for return */ 5364 } 5365 5366 vim_free(ga.ga_data); 5367 busy = FALSE; 5368 return (ga.ga_len > 0); 5369 } 5370 5371 #endif 5372 5373 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ 5374 || defined(FEAT_GUI_MSWIN) \ 5375 || defined(FEAT_GUI_MAC) \ 5376 || defined(PROTO) 5377 5378 static void gui_wingoto_xy(int x, int y); 5379 5380 /* 5381 * Jump to the window at specified point (x, y). 5382 */ 5383 static void 5384 gui_wingoto_xy(int x, int y) 5385 { 5386 int row = Y_2_ROW(y); 5387 int col = X_2_COL(x); 5388 win_T *wp; 5389 5390 if (row >= 0 && col >= 0) 5391 { 5392 wp = mouse_find_win(&row, &col); 5393 if (wp != NULL && wp != curwin) 5394 win_goto(wp); 5395 } 5396 } 5397 5398 /* 5399 * Process file drop. Mouse cursor position, key modifiers, name of files 5400 * and count of files are given. Argument "fnames[count]" has full pathnames 5401 * of dropped files, they will be freed in this function, and caller can't use 5402 * fnames after call this function. 5403 */ 5404 void 5405 gui_handle_drop( 5406 int x UNUSED, 5407 int y UNUSED, 5408 int_u modifiers, 5409 char_u **fnames, 5410 int count) 5411 { 5412 int i; 5413 char_u *p; 5414 static int entered = FALSE; 5415 5416 /* 5417 * This function is called by event handlers. Just in case we get a 5418 * second event before the first one is handled, ignore the second one. 5419 * Not sure if this can ever happen, just in case. 5420 */ 5421 if (entered) 5422 return; 5423 entered = TRUE; 5424 5425 /* 5426 * When the cursor is at the command line, add the file names to the 5427 * command line, don't edit the files. 5428 */ 5429 if (State & CMDLINE) 5430 { 5431 shorten_filenames(fnames, count); 5432 for (i = 0; i < count; ++i) 5433 { 5434 if (fnames[i] != NULL) 5435 { 5436 if (i > 0) 5437 add_to_input_buf((char_u*)" ", 1); 5438 5439 /* We don't know what command is used thus we can't be sure 5440 * about which characters need to be escaped. Only escape the 5441 * most common ones. */ 5442 # ifdef BACKSLASH_IN_FILENAME 5443 p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|"); 5444 # else 5445 p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|"); 5446 # endif 5447 if (p != NULL) 5448 add_to_input_buf_csi(p, (int)STRLEN(p)); 5449 vim_free(p); 5450 vim_free(fnames[i]); 5451 } 5452 } 5453 vim_free(fnames); 5454 } 5455 else 5456 { 5457 /* Go to the window under mouse cursor, then shorten given "fnames" by 5458 * current window, because a window can have local current dir. */ 5459 gui_wingoto_xy(x, y); 5460 shorten_filenames(fnames, count); 5461 5462 /* If Shift held down, remember the first item. */ 5463 if ((modifiers & MOUSE_SHIFT) != 0) 5464 p = vim_strsave(fnames[0]); 5465 else 5466 p = NULL; 5467 5468 /* Handle the drop, :edit or :split to get to the file. This also 5469 * frees fnames[]. Skip this if there is only one item it's a 5470 * directory and Shift is held down. */ 5471 if (count == 1 && (modifiers & MOUSE_SHIFT) != 0 5472 && mch_isdir(fnames[0])) 5473 { 5474 vim_free(fnames[0]); 5475 vim_free(fnames); 5476 } 5477 else 5478 handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0); 5479 5480 /* If Shift held down, change to first file's directory. If the first 5481 * item is a directory, change to that directory (and let the explorer 5482 * plugin show the contents). */ 5483 if (p != NULL) 5484 { 5485 if (mch_isdir(p)) 5486 { 5487 if (mch_chdir((char *)p) == 0) 5488 shorten_fnames(TRUE); 5489 } 5490 else if (vim_chdirfile(p) == OK) 5491 shorten_fnames(TRUE); 5492 vim_free(p); 5493 } 5494 5495 /* Update the screen display */ 5496 update_screen(NOT_VALID); 5497 # ifdef FEAT_MENU 5498 gui_update_menus(0); 5499 # endif 5500 #ifdef FEAT_TITLE 5501 maketitle(); 5502 #endif 5503 setcursor(); 5504 out_flush(); 5505 gui_update_cursor(FALSE, FALSE); 5506 gui_mch_flush(); 5507 } 5508 5509 entered = FALSE; 5510 } 5511 #endif 5512