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(MACOS_X) && !defined(__APPLE__) 41 # define MAY_FORK 42 static void gui_do_fork(void); 43 44 static int gui_read_child_pipe(int fd); 45 46 /* Return values for gui_read_child_pipe */ 47 enum { 48 GUI_CHILD_IO_ERROR, 49 GUI_CHILD_OK, 50 GUI_CHILD_FAILED 51 }; 52 53 #endif /* MAY_FORK */ 54 55 static void gui_attempt_start(void); 56 57 static int can_update_cursor = TRUE; /* can display the cursor */ 58 59 /* 60 * The Athena scrollbars can move the thumb to after the end of the scrollbar, 61 * this makes the thumb indicate the part of the text that is shown. Motif 62 * can't do this. 63 */ 64 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MAC) 65 # define SCROLL_PAST_END 66 #endif 67 68 /* 69 * gui_start -- Called when user wants to start the GUI. 70 * 71 * Careful: This function can be called recursively when there is a ":gui" 72 * command in the .gvimrc file. Only the first call should fork, not the 73 * recursive call. 74 */ 75 void 76 gui_start(void) 77 { 78 char_u *old_term; 79 static int recursive = 0; 80 81 old_term = vim_strsave(T_NAME); 82 83 settmode(TMODE_COOK); /* stop RAW mode */ 84 if (full_screen) 85 cursor_on(); /* needed for ":gui" in .vimrc */ 86 full_screen = FALSE; 87 88 ++recursive; 89 90 #ifdef MAY_FORK 91 /* 92 * Quit the current process and continue in the child. 93 * Makes "gvim file" disconnect from the shell it was started in. 94 * Don't do this when Vim was started with "-f" or the 'f' flag is present 95 * in 'guioptions'. 96 */ 97 if (gui.dofork && !vim_strchr(p_go, GO_FORG) && recursive <= 1) 98 { 99 gui_do_fork(); 100 } 101 else 102 #endif 103 { 104 #ifdef FEAT_GUI_GTK 105 /* If there is 'f' in 'guioptions' and specify -g argument, 106 * gui_mch_init_check() was not called yet. */ 107 if (gui_mch_init_check() != OK) 108 getout_preserve_modified(1); 109 #endif 110 gui_attempt_start(); 111 } 112 113 if (!gui.in_use) /* failed to start GUI */ 114 { 115 /* Back to old term settings 116 * 117 * FIXME: If we got here because a child process failed and flagged to 118 * the parent to resume, and X11 is enabled with FEAT_TITLE, this will 119 * hit an X11 I/O error and do a longjmp(), leaving recursive 120 * permanently set to 1. This is probably not as big a problem as it 121 * sounds, because gui_mch_init() in both gui_x11.c and gui_gtk_x11.c 122 * return "OK" unconditionally, so it would be very difficult to 123 * actually hit this case. 124 */ 125 termcapinit(old_term); 126 settmode(TMODE_RAW); /* restart RAW mode */ 127 #ifdef FEAT_TITLE 128 set_title_defaults(); /* set 'title' and 'icon' again */ 129 #endif 130 } 131 132 vim_free(old_term); 133 134 #ifdef FEAT_AUTOCMD 135 /* If the GUI started successfully, trigger the GUIEnter event, otherwise 136 * the GUIFailed event. */ 137 gui_mch_update(); 138 apply_autocmds(gui.in_use ? EVENT_GUIENTER : EVENT_GUIFAILED, 139 NULL, NULL, FALSE, curbuf); 140 #endif 141 --recursive; 142 } 143 144 /* 145 * Set_termname() will call gui_init() to start the GUI. 146 * Set the "starting" flag, to indicate that the GUI will start. 147 * 148 * We don't want to open the GUI shell until after we've read .gvimrc, 149 * otherwise we don't know what font we will use, and hence we don't know 150 * what size the shell should be. So if there are errors in the .gvimrc 151 * file, they will have to go to the terminal: Set full_screen to FALSE. 152 * full_screen will be set to TRUE again by a successful termcapinit(). 153 */ 154 static void 155 gui_attempt_start(void) 156 { 157 static int recursive = 0; 158 159 ++recursive; 160 gui.starting = TRUE; 161 162 #ifdef FEAT_GUI_GTK 163 gui.event_time = GDK_CURRENT_TIME; 164 #endif 165 166 termcapinit((char_u *)"builtin_gui"); 167 gui.starting = recursive - 1; 168 169 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) 170 if (gui.in_use) 171 { 172 # ifdef FEAT_EVAL 173 Window x11_window; 174 Display *x11_display; 175 176 if (gui_get_x11_windis(&x11_window, &x11_display) == OK) 177 set_vim_var_nr(VV_WINDOWID, (long)x11_window); 178 # endif 179 180 /* Display error messages in a dialog now. */ 181 display_errors(); 182 } 183 #endif 184 --recursive; 185 } 186 187 #ifdef MAY_FORK 188 189 /* for waitpid() */ 190 # if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT) 191 # include <sys/wait.h> 192 # endif 193 194 /* 195 * Create a new process, by forking. In the child, start the GUI, and in 196 * the parent, exit. 197 * 198 * If something goes wrong, this will return with gui.in_use still set 199 * to FALSE, in which case the caller should continue execution without 200 * the GUI. 201 * 202 * If the child fails to start the GUI, then the child will exit and the 203 * parent will return. If the child succeeds, then the parent will exit 204 * and the child will return. 205 */ 206 static void 207 gui_do_fork(void) 208 { 209 int pipefd[2]; /* pipe between parent and child */ 210 int pipe_error; 211 int status; 212 int exit_status; 213 pid_t pid = -1; 214 215 /* Setup a pipe between the child and the parent, so that the parent 216 * knows when the child has done the setsid() call and is allowed to 217 * exit. */ 218 pipe_error = (pipe(pipefd) < 0); 219 pid = fork(); 220 if (pid < 0) /* Fork error */ 221 { 222 EMSG(_("E851: Failed to create a new process for the GUI")); 223 return; 224 } 225 else if (pid > 0) /* Parent */ 226 { 227 /* Give the child some time to do the setsid(), otherwise the 228 * exit() may kill the child too (when starting gvim from inside a 229 * gvim). */ 230 if (!pipe_error) 231 { 232 /* The read returns when the child closes the pipe (or when 233 * the child dies for some reason). */ 234 close(pipefd[1]); 235 status = gui_read_child_pipe(pipefd[0]); 236 if (status == GUI_CHILD_FAILED) 237 { 238 /* The child failed to start the GUI, so the caller must 239 * continue. There may be more error information written 240 * to stderr by the child. */ 241 # ifdef __NeXT__ 242 wait4(pid, &exit_status, 0, (struct rusage *)0); 243 # else 244 waitpid(pid, &exit_status, 0); 245 # endif 246 EMSG(_("E852: The child process failed to start the GUI")); 247 return; 248 } 249 else if (status == GUI_CHILD_IO_ERROR) 250 { 251 pipe_error = TRUE; 252 } 253 /* else GUI_CHILD_OK: parent exit */ 254 } 255 256 if (pipe_error) 257 ui_delay(300L, TRUE); 258 259 /* When swapping screens we may need to go to the next line, e.g., 260 * after a hit-enter prompt and using ":gui". */ 261 if (newline_on_exit) 262 mch_errmsg("\r\n"); 263 264 /* 265 * The parent must skip the normal exit() processing, the child 266 * will do it. For example, GTK messes up signals when exiting. 267 */ 268 _exit(0); 269 } 270 /* Child */ 271 272 #ifdef FEAT_GUI_GTK 273 /* Call gtk_init_check() here after fork(). See gui_init_check(). */ 274 if (gui_mch_init_check() != OK) 275 getout_preserve_modified(1); 276 #endif 277 278 # if defined(HAVE_SETSID) || defined(HAVE_SETPGID) 279 /* 280 * Change our process group. On some systems/shells a CTRL-C in the 281 * shell where Vim was started would otherwise kill gvim! 282 */ 283 # if defined(HAVE_SETSID) 284 (void)setsid(); 285 # else 286 (void)setpgid(0, 0); 287 # endif 288 # endif 289 if (!pipe_error) 290 close(pipefd[0]); 291 292 # if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION) 293 /* Tell the session manager our new PID */ 294 gui_mch_forked(); 295 # endif 296 297 /* Try to start the GUI */ 298 gui_attempt_start(); 299 300 /* Notify the parent */ 301 if (!pipe_error) 302 { 303 if (gui.in_use) 304 write_eintr(pipefd[1], "ok", 3); 305 else 306 write_eintr(pipefd[1], "fail", 5); 307 close(pipefd[1]); 308 } 309 310 /* If we failed to start the GUI, exit now. */ 311 if (!gui.in_use) 312 getout_preserve_modified(1); 313 } 314 315 /* 316 * Read from a pipe assumed to be connected to the child process (this 317 * function is called from the parent). 318 * Return GUI_CHILD_OK if the child successfully started the GUI, 319 * GUY_CHILD_FAILED if the child failed, or GUI_CHILD_IO_ERROR if there was 320 * some other error. 321 * 322 * The file descriptor will be closed before the function returns. 323 */ 324 static int 325 gui_read_child_pipe(int fd) 326 { 327 long bytes_read; 328 #define READ_BUFFER_SIZE 10 329 char buffer[READ_BUFFER_SIZE]; 330 331 bytes_read = read_eintr(fd, buffer, READ_BUFFER_SIZE - 1); 332 #undef READ_BUFFER_SIZE 333 close(fd); 334 if (bytes_read < 0) 335 return GUI_CHILD_IO_ERROR; 336 buffer[bytes_read] = NUL; 337 if (strcmp(buffer, "ok") == 0) 338 return GUI_CHILD_OK; 339 return GUI_CHILD_FAILED; 340 } 341 342 #endif /* MAY_FORK */ 343 344 /* 345 * Call this when vim starts up, whether or not the GUI is started 346 */ 347 void 348 gui_prepare(int *argc, char **argv) 349 { 350 gui.in_use = FALSE; /* No GUI yet (maybe later) */ 351 gui.starting = FALSE; /* No GUI yet (maybe later) */ 352 gui_mch_prepare(argc, argv); 353 } 354 355 /* 356 * Try initializing the GUI and check if it can be started. 357 * Used from main() to check early if "vim -g" can start the GUI. 358 * Used from gui_init() to prepare for starting the GUI. 359 * Returns FAIL or OK. 360 */ 361 int 362 gui_init_check(void) 363 { 364 static int result = MAYBE; 365 366 if (result != MAYBE) 367 { 368 if (result == FAIL) 369 EMSG(_("E229: Cannot start the GUI")); 370 return result; 371 } 372 373 gui.shell_created = FALSE; 374 gui.dying = FALSE; 375 gui.in_focus = TRUE; /* so the guicursor setting works */ 376 gui.dragged_sb = SBAR_NONE; 377 gui.dragged_wp = NULL; 378 gui.pointer_hidden = FALSE; 379 gui.col = 0; 380 gui.row = 0; 381 gui.num_cols = Columns; 382 gui.num_rows = Rows; 383 384 gui.cursor_is_valid = FALSE; 385 gui.scroll_region_top = 0; 386 gui.scroll_region_bot = Rows - 1; 387 gui.scroll_region_left = 0; 388 gui.scroll_region_right = Columns - 1; 389 gui.highlight_mask = HL_NORMAL; 390 gui.char_width = 1; 391 gui.char_height = 1; 392 gui.char_ascent = 0; 393 gui.border_width = 0; 394 395 gui.norm_font = NOFONT; 396 #ifndef FEAT_GUI_GTK 397 gui.bold_font = NOFONT; 398 gui.ital_font = NOFONT; 399 gui.boldital_font = NOFONT; 400 # ifdef FEAT_XFONTSET 401 gui.fontset = NOFONTSET; 402 # endif 403 #endif 404 #ifdef FEAT_MBYTE 405 gui.wide_font = NOFONT; 406 # ifndef FEAT_GUI_GTK 407 gui.wide_bold_font = NOFONT; 408 gui.wide_ital_font = NOFONT; 409 gui.wide_boldital_font = NOFONT; 410 # endif 411 #endif 412 413 #ifdef FEAT_MENU 414 # ifndef FEAT_GUI_GTK 415 # ifdef FONTSET_ALWAYS 416 gui.menu_fontset = NOFONTSET; 417 # else 418 gui.menu_font = NOFONT; 419 # endif 420 # endif 421 gui.menu_is_active = TRUE; /* default: include menu */ 422 # ifndef FEAT_GUI_GTK 423 gui.menu_height = MENU_DEFAULT_HEIGHT; 424 gui.menu_width = 0; 425 # endif 426 #endif 427 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) 428 gui.toolbar_height = 0; 429 #endif 430 #if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF) 431 gui.footer_height = 0; 432 #endif 433 #ifdef FEAT_BEVAL_TIP 434 gui.tooltip_fontset = NOFONTSET; 435 #endif 436 437 gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH; 438 gui.prev_wrap = -1; 439 440 #ifdef ALWAYS_USE_GUI 441 result = OK; 442 #else 443 # ifdef FEAT_GUI_GTK 444 /* 445 * Note: Don't call gtk_init_check() before fork, it will be called after 446 * the fork. When calling it before fork, it make vim hang for a while. 447 * See gui_do_fork(). 448 * Use a simpler check if the GUI window can probably be opened. 449 */ 450 result = gui.dofork ? gui_mch_early_init_check(TRUE) : gui_mch_init_check(); 451 # else 452 result = gui_mch_init_check(); 453 # endif 454 #endif 455 return result; 456 } 457 458 /* 459 * This is the call which starts the GUI. 460 */ 461 void 462 gui_init(void) 463 { 464 win_T *wp; 465 static int recursive = 0; 466 467 /* 468 * It's possible to use ":gui" in a .gvimrc file. The first halve of this 469 * function will then be executed at the first call, the rest by the 470 * recursive call. This allow the shell to be opened halfway reading a 471 * gvimrc file. 472 */ 473 if (!recursive) 474 { 475 ++recursive; 476 477 clip_init(TRUE); 478 479 /* If can't initialize, don't try doing the rest */ 480 if (gui_init_check() == FAIL) 481 { 482 --recursive; 483 clip_init(FALSE); 484 return; 485 } 486 487 /* 488 * Reset 'paste'. It's useful in the terminal, but not in the GUI. It 489 * breaks the Paste toolbar button. 490 */ 491 set_option_value((char_u *)"paste", 0L, NULL, 0); 492 493 /* 494 * Set up system-wide default menus. 495 */ 496 #if defined(SYS_MENU_FILE) && defined(FEAT_MENU) 497 if (vim_strchr(p_go, GO_NOSYSMENU) == NULL) 498 { 499 sys_menu = TRUE; 500 do_source((char_u *)SYS_MENU_FILE, FALSE, DOSO_NONE); 501 sys_menu = FALSE; 502 } 503 #endif 504 505 /* 506 * Switch on the mouse by default, unless the user changed it already. 507 * This can then be changed in the .gvimrc. 508 */ 509 if (!option_was_set((char_u *)"mouse")) 510 set_string_option_direct((char_u *)"mouse", -1, 511 (char_u *)"a", OPT_FREE, SID_NONE); 512 513 /* 514 * If -U option given, use only the initializations from that file and 515 * nothing else. Skip all initializations for "-U NONE" or "-u NORC". 516 */ 517 if (use_gvimrc != NULL) 518 { 519 if (STRCMP(use_gvimrc, "NONE") != 0 520 && STRCMP(use_gvimrc, "NORC") != 0 521 && do_source(use_gvimrc, FALSE, DOSO_NONE) != OK) 522 EMSG2(_("E230: Cannot read from \"%s\""), use_gvimrc); 523 } 524 else 525 { 526 /* 527 * Get system wide defaults for gvim, only when file name defined. 528 */ 529 #ifdef SYS_GVIMRC_FILE 530 do_source((char_u *)SYS_GVIMRC_FILE, FALSE, DOSO_NONE); 531 #endif 532 533 /* 534 * Try to read GUI initialization commands from the following 535 * places: 536 * - environment variable GVIMINIT 537 * - the user gvimrc file (~/.gvimrc) 538 * - the second user gvimrc file ($VIM/.gvimrc for Dos) 539 * - the third user gvimrc file ($VIM/.gvimrc for Amiga) 540 * The first that exists is used, the rest is ignored. 541 */ 542 if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL 543 && do_source((char_u *)USR_GVIMRC_FILE, TRUE, 544 DOSO_GVIMRC) == FAIL 545 #ifdef USR_GVIMRC_FILE2 546 && do_source((char_u *)USR_GVIMRC_FILE2, TRUE, 547 DOSO_GVIMRC) == FAIL 548 #endif 549 #ifdef USR_GVIMRC_FILE3 550 && do_source((char_u *)USR_GVIMRC_FILE3, TRUE, 551 DOSO_GVIMRC) == FAIL 552 #endif 553 ) 554 { 555 #ifdef USR_GVIMRC_FILE4 556 (void)do_source((char_u *)USR_GVIMRC_FILE4, TRUE, DOSO_GVIMRC); 557 #endif 558 } 559 560 /* 561 * Read initialization commands from ".gvimrc" in current 562 * directory. This is only done if the 'exrc' option is set. 563 * Because of security reasons we disallow shell and write 564 * commands now, except for unix if the file is owned by the user 565 * or 'secure' option has been reset in environment of global 566 * ".gvimrc". 567 * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE, 568 * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE. 569 */ 570 if (p_exrc) 571 { 572 #ifdef UNIX 573 { 574 stat_T s; 575 576 /* if ".gvimrc" file is not owned by user, set 'secure' 577 * mode */ 578 if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid()) 579 secure = p_secure; 580 } 581 #else 582 secure = p_secure; 583 #endif 584 585 if ( fullpathcmp((char_u *)USR_GVIMRC_FILE, 586 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 587 #ifdef SYS_GVIMRC_FILE 588 && fullpathcmp((char_u *)SYS_GVIMRC_FILE, 589 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 590 #endif 591 #ifdef USR_GVIMRC_FILE2 592 && fullpathcmp((char_u *)USR_GVIMRC_FILE2, 593 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 594 #endif 595 #ifdef USR_GVIMRC_FILE3 596 && fullpathcmp((char_u *)USR_GVIMRC_FILE3, 597 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 598 #endif 599 #ifdef USR_GVIMRC_FILE4 600 && fullpathcmp((char_u *)USR_GVIMRC_FILE4, 601 (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME 602 #endif 603 ) 604 do_source((char_u *)GVIMRC_FILE, TRUE, DOSO_GVIMRC); 605 606 if (secure == 2) 607 need_wait_return = TRUE; 608 secure = 0; 609 } 610 } 611 612 if (need_wait_return || msg_didany) 613 wait_return(TRUE); 614 615 --recursive; 616 } 617 618 /* If recursive call opened the shell, return here from the first call */ 619 if (gui.in_use) 620 return; 621 622 /* 623 * Create the GUI shell. 624 */ 625 gui.in_use = TRUE; /* Must be set after menus have been set up */ 626 if (gui_mch_init() == FAIL) 627 goto error; 628 629 /* Avoid a delay for an error message that was printed in the terminal 630 * where Vim was started. */ 631 emsg_on_display = FALSE; 632 msg_scrolled = 0; 633 clear_sb_text(TRUE); 634 need_wait_return = FALSE; 635 msg_didany = FALSE; 636 637 /* 638 * Check validity of any generic resources that may have been loaded. 639 */ 640 if (gui.border_width < 0) 641 gui.border_width = 0; 642 643 /* 644 * Set up the fonts. First use a font specified with "-fn" or "-font". 645 */ 646 if (font_argument != NULL) 647 set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0); 648 if ( 649 #ifdef FEAT_XFONTSET 650 (*p_guifontset == NUL 651 || gui_init_font(p_guifontset, TRUE) == FAIL) && 652 #endif 653 gui_init_font(*p_guifont == NUL ? hl_get_font_name() 654 : p_guifont, FALSE) == FAIL) 655 { 656 EMSG(_("E665: Cannot start GUI, no valid font found")); 657 goto error2; 658 } 659 #ifdef FEAT_MBYTE 660 if (gui_get_wide_font() == FAIL) 661 EMSG(_("E231: 'guifontwide' invalid")); 662 #endif 663 664 gui.num_cols = Columns; 665 gui.num_rows = Rows; 666 gui_reset_scroll_region(); 667 668 /* Create initial scrollbars */ 669 FOR_ALL_WINDOWS(wp) 670 { 671 gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp); 672 gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp); 673 } 674 gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL); 675 676 #ifdef FEAT_MENU 677 gui_create_initial_menus(root_menu); 678 #endif 679 #ifdef FEAT_SUN_WORKSHOP 680 if (usingSunWorkShop) 681 workshop_init(); 682 #endif 683 #ifdef FEAT_SIGN_ICONS 684 sign_gui_started(); 685 #endif 686 687 /* Configure the desired menu and scrollbars */ 688 gui_init_which_components(NULL); 689 690 /* All components of the GUI have been created now */ 691 gui.shell_created = TRUE; 692 693 #ifndef FEAT_GUI_GTK 694 /* Set the shell size, adjusted for the screen size. For GTK this only 695 * works after the shell has been opened, thus it is further down. */ 696 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 697 #endif 698 #if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 699 /* Need to set the size of the menubar after all the menus have been 700 * created. */ 701 gui_mch_compute_menu_height((Widget)0); 702 #endif 703 704 /* 705 * Actually open the GUI shell. 706 */ 707 if (gui_mch_open() != FAIL) 708 { 709 #ifdef FEAT_TITLE 710 maketitle(); 711 resettitle(); 712 #endif 713 init_gui_options(); 714 #ifdef FEAT_ARABIC 715 /* Our GUI can't do bidi. */ 716 p_tbidi = FALSE; 717 #endif 718 #if defined(FEAT_GUI_GTK) 719 /* Give GTK+ a chance to put all widget's into place. */ 720 gui_mch_update(); 721 722 # ifdef FEAT_MENU 723 /* If there is no 'm' in 'guioptions' we need to remove the menu now. 724 * It was still there to make F10 work. */ 725 if (vim_strchr(p_go, GO_MENUS) == NULL) 726 { 727 --gui.starting; 728 gui_mch_enable_menu(FALSE); 729 ++gui.starting; 730 gui_mch_update(); 731 } 732 # endif 733 734 /* Now make sure the shell fits on the screen. */ 735 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 736 #endif 737 /* When 'lines' was set while starting up the topframe may have to be 738 * resized. */ 739 win_new_shellsize(); 740 741 #ifdef FEAT_BEVAL 742 /* Always create the Balloon Evaluation area, but disable it when 743 * 'ballooneval' is off */ 744 # ifdef FEAT_GUI_GTK 745 balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL, 746 &general_beval_cb, NULL); 747 # else 748 # if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) 749 { 750 extern Widget textArea; 751 balloonEval = gui_mch_create_beval_area(textArea, NULL, 752 &general_beval_cb, NULL); 753 } 754 # else 755 # ifdef FEAT_GUI_W32 756 balloonEval = gui_mch_create_beval_area(NULL, NULL, 757 &general_beval_cb, NULL); 758 # endif 759 # endif 760 # endif 761 if (!p_beval) 762 gui_mch_disable_beval_area(balloonEval); 763 #endif 764 765 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) 766 if (!im_xim_isvalid_imactivate()) 767 EMSG(_("E599: Value of 'imactivatekey' is invalid")); 768 #endif 769 /* When 'cmdheight' was set during startup it may not have taken 770 * effect yet. */ 771 if (p_ch != 1L) 772 command_height(); 773 774 return; 775 } 776 777 error2: 778 #ifdef FEAT_GUI_X11 779 /* undo gui_mch_init() */ 780 gui_mch_uninit(); 781 #endif 782 783 error: 784 gui.in_use = FALSE; 785 clip_init(FALSE); 786 } 787 788 789 void 790 gui_exit(int rc) 791 { 792 /* don't free the fonts, it leads to a BUS error 793 * [email protected] Jul 99 */ 794 free_highlight_fonts(); 795 gui.in_use = FALSE; 796 gui_mch_exit(rc); 797 } 798 799 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \ 800 || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(PROTO) 801 # define NEED_GUI_UPDATE_SCREEN 1 802 /* 803 * Called when the GUI shell is closed by the user. If there are no changed 804 * files Vim exits, otherwise there will be a dialog to ask the user what to 805 * do. 806 * When this function returns, Vim should NOT exit! 807 */ 808 void 809 gui_shell_closed(void) 810 { 811 cmdmod_T save_cmdmod; 812 813 save_cmdmod = cmdmod; 814 815 /* Only exit when there are no changed files */ 816 exiting = TRUE; 817 # ifdef FEAT_BROWSE 818 cmdmod.browse = TRUE; 819 # endif 820 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 821 cmdmod.confirm = TRUE; 822 # endif 823 /* If there are changed buffers, present the user with a dialog if 824 * possible, otherwise give an error message. */ 825 if (!check_changed_any(FALSE, FALSE)) 826 getout(0); 827 828 exiting = FALSE; 829 cmdmod = save_cmdmod; 830 gui_update_screen(); /* redraw, window may show changed buffer */ 831 } 832 #endif 833 834 /* 835 * Set the font. "font_list" is a comma separated list of font names. The 836 * first font name that works is used. If none is found, use the default 837 * font. 838 * If "fontset" is TRUE, the "font_list" is used as one name for the fontset. 839 * Return OK when able to set the font. When it failed FAIL is returned and 840 * the fonts are unchanged. 841 */ 842 int 843 gui_init_font(char_u *font_list, int fontset UNUSED) 844 { 845 #define FONTLEN 320 846 char_u font_name[FONTLEN]; 847 int font_list_empty = FALSE; 848 int ret = FAIL; 849 850 if (!gui.in_use) 851 return FAIL; 852 853 font_name[0] = NUL; 854 if (*font_list == NUL) 855 font_list_empty = TRUE; 856 else 857 { 858 #ifdef FEAT_XFONTSET 859 /* When using a fontset, the whole list of fonts is one name. */ 860 if (fontset) 861 ret = gui_mch_init_font(font_list, TRUE); 862 else 863 #endif 864 while (*font_list != NUL) 865 { 866 /* Isolate one comma separated font name. */ 867 (void)copy_option_part(&font_list, font_name, FONTLEN, ","); 868 869 /* Careful!!! The Win32 version of gui_mch_init_font(), when 870 * called with "*" will change p_guifont to the selected font 871 * name, which frees the old value. This makes font_list 872 * invalid. Thus when OK is returned here, font_list must no 873 * longer be used! */ 874 if (gui_mch_init_font(font_name, FALSE) == OK) 875 { 876 #if defined(FEAT_MBYTE) && !defined(FEAT_GUI_GTK) 877 /* If it's a Unicode font, try setting 'guifontwide' to a 878 * similar double-width font. */ 879 if ((p_guifontwide == NULL || *p_guifontwide == NUL) 880 && strstr((char *)font_name, "10646") != NULL) 881 set_guifontwide(font_name); 882 #endif 883 ret = OK; 884 break; 885 } 886 } 887 } 888 889 if (ret != OK 890 && STRCMP(font_list, "*") != 0 891 && (font_list_empty || gui.norm_font == NOFONT)) 892 { 893 /* 894 * Couldn't load any font in 'font_list', keep the current font if 895 * there is one. If 'font_list' is empty, or if there is no current 896 * font, tell gui_mch_init_font() to try to find a font we can load. 897 */ 898 ret = gui_mch_init_font(NULL, FALSE); 899 } 900 901 if (ret == OK) 902 { 903 #ifndef FEAT_GUI_GTK 904 /* Set normal font as current font */ 905 # ifdef FEAT_XFONTSET 906 if (gui.fontset != NOFONTSET) 907 gui_mch_set_fontset(gui.fontset); 908 else 909 # endif 910 gui_mch_set_font(gui.norm_font); 911 #endif 912 gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); 913 } 914 915 return ret; 916 } 917 918 #if defined(FEAT_MBYTE) || defined(PROTO) 919 # ifndef FEAT_GUI_GTK 920 /* 921 * Try setting 'guifontwide' to a font twice as wide as "name". 922 */ 923 static void 924 set_guifontwide(char_u *name) 925 { 926 int i = 0; 927 char_u wide_name[FONTLEN + 10]; /* room for 2 * width and '*' */ 928 char_u *wp = NULL; 929 char_u *p; 930 GuiFont font; 931 932 wp = wide_name; 933 for (p = name; *p != NUL; ++p) 934 { 935 *wp++ = *p; 936 if (*p == '-') 937 { 938 ++i; 939 if (i == 6) /* font type: change "--" to "-*-" */ 940 { 941 if (p[1] == '-') 942 *wp++ = '*'; 943 } 944 else if (i == 12) /* found the width */ 945 { 946 ++p; 947 i = getdigits(&p); 948 if (i != 0) 949 { 950 /* Double the width specification. */ 951 sprintf((char *)wp, "%d%s", i * 2, p); 952 font = gui_mch_get_font(wide_name, FALSE); 953 if (font != NOFONT) 954 { 955 gui_mch_free_font(gui.wide_font); 956 gui.wide_font = font; 957 set_string_option_direct((char_u *)"gfw", -1, 958 wide_name, OPT_FREE, 0); 959 } 960 } 961 break; 962 } 963 } 964 } 965 } 966 # endif /* !FEAT_GUI_GTK */ 967 968 /* 969 * Get the font for 'guifontwide'. 970 * Return FAIL for an invalid font name. 971 */ 972 int 973 gui_get_wide_font(void) 974 { 975 GuiFont font = NOFONT; 976 char_u font_name[FONTLEN]; 977 char_u *p; 978 979 if (!gui.in_use) /* Can't allocate font yet, assume it's OK. */ 980 return OK; /* Will give an error message later. */ 981 982 if (p_guifontwide != NULL && *p_guifontwide != NUL) 983 { 984 for (p = p_guifontwide; *p != NUL; ) 985 { 986 /* Isolate one comma separated font name. */ 987 (void)copy_option_part(&p, font_name, FONTLEN, ","); 988 font = gui_mch_get_font(font_name, FALSE); 989 if (font != NOFONT) 990 break; 991 } 992 if (font == NOFONT) 993 return FAIL; 994 } 995 996 gui_mch_free_font(gui.wide_font); 997 # ifdef FEAT_GUI_GTK 998 /* Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. */ 999 if (font != NOFONT && gui.norm_font != NOFONT 1000 && pango_font_description_equal(font, gui.norm_font)) 1001 { 1002 gui.wide_font = NOFONT; 1003 gui_mch_free_font(font); 1004 } 1005 else 1006 # endif 1007 gui.wide_font = font; 1008 # ifdef FEAT_GUI_MSWIN 1009 gui_mch_wide_font_changed(); 1010 # else 1011 /* 1012 * TODO: setup wide_bold_font, wide_ital_font and wide_boldital_font to 1013 * support those fonts for 'guifontwide'. 1014 */ 1015 # endif 1016 return OK; 1017 } 1018 #endif 1019 1020 void 1021 gui_set_cursor(int row, int col) 1022 { 1023 gui.row = row; 1024 gui.col = col; 1025 } 1026 1027 /* 1028 * gui_check_pos - check if the cursor is on the screen. 1029 */ 1030 static void 1031 gui_check_pos(void) 1032 { 1033 if (gui.row >= screen_Rows) 1034 gui.row = screen_Rows - 1; 1035 if (gui.col >= screen_Columns) 1036 gui.col = screen_Columns - 1; 1037 if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns) 1038 gui.cursor_is_valid = FALSE; 1039 } 1040 1041 /* 1042 * Redraw the cursor if necessary or when forced. 1043 * Careful: The contents of ScreenLines[] must match what is on the screen, 1044 * otherwise this goes wrong. May need to call out_flush() first. 1045 */ 1046 void 1047 gui_update_cursor( 1048 int force, /* when TRUE, update even when not moved */ 1049 int clear_selection)/* clear selection under cursor */ 1050 { 1051 int cur_width = 0; 1052 int cur_height = 0; 1053 int old_hl_mask; 1054 int idx; 1055 int id; 1056 guicolor_T cfg, cbg, cc; /* cursor fore-/background color */ 1057 int cattr; /* cursor attributes */ 1058 int attr; 1059 attrentry_T *aep = NULL; 1060 1061 /* Don't update the cursor when halfway busy scrolling or the screen size 1062 * doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then. */ 1063 if (!can_update_cursor || screen_Columns != gui.num_cols 1064 || screen_Rows != gui.num_rows) 1065 return; 1066 1067 gui_check_pos(); 1068 if (!gui.cursor_is_valid || force 1069 || gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1070 { 1071 gui_undraw_cursor(); 1072 if (gui.row < 0) 1073 return; 1074 #ifdef USE_IM_CONTROL 1075 if (gui.row != gui.cursor_row || gui.col != gui.cursor_col) 1076 im_set_position(gui.row, gui.col); 1077 #endif 1078 gui.cursor_row = gui.row; 1079 gui.cursor_col = gui.col; 1080 1081 /* Only write to the screen after ScreenLines[] has been initialized */ 1082 if (!screen_cleared || ScreenLines == NULL) 1083 return; 1084 1085 /* Clear the selection if we are about to write over it */ 1086 if (clear_selection) 1087 clip_may_clear_selection(gui.row, gui.row); 1088 /* Check that the cursor is inside the shell (resizing may have made 1089 * it invalid) */ 1090 if (gui.row >= screen_Rows || gui.col >= screen_Columns) 1091 return; 1092 1093 gui.cursor_is_valid = TRUE; 1094 1095 /* 1096 * How the cursor is drawn depends on the current mode. 1097 */ 1098 idx = get_shape_idx(FALSE); 1099 if (State & LANGMAP) 1100 id = shape_table[idx].id_lm; 1101 else 1102 id = shape_table[idx].id; 1103 1104 /* get the colors and attributes for the cursor. Default is inverted */ 1105 cfg = INVALCOLOR; 1106 cbg = INVALCOLOR; 1107 cattr = HL_INVERSE; 1108 gui_mch_set_blinking(shape_table[idx].blinkwait, 1109 shape_table[idx].blinkon, 1110 shape_table[idx].blinkoff); 1111 if (id > 0) 1112 { 1113 cattr = syn_id2colors(id, &cfg, &cbg); 1114 #if defined(USE_IM_CONTROL) || defined(FEAT_HANGULIN) 1115 { 1116 static int iid; 1117 guicolor_T fg, bg; 1118 1119 if ( 1120 # if defined(FEAT_GUI_GTK) && !defined(FEAT_HANGULIN) 1121 preedit_get_status() 1122 # else 1123 im_get_status() 1124 # endif 1125 ) 1126 { 1127 iid = syn_name2id((char_u *)"CursorIM"); 1128 if (iid > 0) 1129 { 1130 syn_id2colors(iid, &fg, &bg); 1131 if (bg != INVALCOLOR) 1132 cbg = bg; 1133 if (fg != INVALCOLOR) 1134 cfg = fg; 1135 } 1136 } 1137 } 1138 #endif 1139 } 1140 1141 /* 1142 * Get the attributes for the character under the cursor. 1143 * When no cursor color was given, use the character color. 1144 */ 1145 attr = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1146 if (attr > HL_ALL) 1147 aep = syn_gui_attr2entry(attr); 1148 if (aep != NULL) 1149 { 1150 attr = aep->ae_attr; 1151 if (cfg == INVALCOLOR) 1152 cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1153 : aep->ae_u.gui.fg_color); 1154 if (cbg == INVALCOLOR) 1155 cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1156 : aep->ae_u.gui.bg_color); 1157 } 1158 if (cfg == INVALCOLOR) 1159 cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel; 1160 if (cbg == INVALCOLOR) 1161 cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel; 1162 1163 #ifdef FEAT_XIM 1164 if (aep != NULL) 1165 { 1166 xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color 1167 : aep->ae_u.gui.bg_color); 1168 xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color 1169 : aep->ae_u.gui.fg_color); 1170 if (xim_bg_color == INVALCOLOR) 1171 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1172 : gui.back_pixel; 1173 if (xim_fg_color == INVALCOLOR) 1174 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1175 : gui.norm_pixel; 1176 } 1177 else 1178 { 1179 xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel 1180 : gui.back_pixel; 1181 xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel 1182 : gui.norm_pixel; 1183 } 1184 #endif 1185 1186 attr &= ~HL_INVERSE; 1187 if (cattr & HL_INVERSE) 1188 { 1189 cc = cbg; 1190 cbg = cfg; 1191 cfg = cc; 1192 } 1193 cattr &= ~HL_INVERSE; 1194 1195 /* 1196 * When we don't have window focus, draw a hollow cursor. 1197 */ 1198 if (!gui.in_focus) 1199 { 1200 gui_mch_draw_hollow_cursor(cbg); 1201 return; 1202 } 1203 1204 old_hl_mask = gui.highlight_mask; 1205 if (shape_table[idx].shape == SHAPE_BLOCK 1206 #ifdef FEAT_HANGULIN 1207 || composing_hangul 1208 #endif 1209 ) 1210 { 1211 /* 1212 * Draw the text character with the cursor colors. Use the 1213 * character attributes plus the cursor attributes. 1214 */ 1215 gui.highlight_mask = (cattr | attr); 1216 #ifdef FEAT_HANGULIN 1217 if (composing_hangul) 1218 { 1219 char_u *comp_buf; 1220 int comp_len; 1221 1222 comp_buf = hangul_composing_buffer_get(&comp_len); 1223 if (comp_buf) 1224 { 1225 (void)gui_outstr_nowrap(comp_buf, comp_len, 1226 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, 1227 cfg, cbg, 0); 1228 vim_free(comp_buf); 1229 } 1230 } 1231 else 1232 #endif 1233 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1234 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0); 1235 } 1236 else 1237 { 1238 #if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT) 1239 int col_off = FALSE; 1240 #endif 1241 /* 1242 * First draw the partial cursor, then overwrite with the text 1243 * character, using a transparent background. 1244 */ 1245 if (shape_table[idx].shape == SHAPE_VER) 1246 { 1247 cur_height = gui.char_height; 1248 cur_width = (gui.char_width * shape_table[idx].percentage 1249 + 99) / 100; 1250 } 1251 else 1252 { 1253 cur_height = (gui.char_height * shape_table[idx].percentage 1254 + 99) / 100; 1255 cur_width = gui.char_width; 1256 } 1257 #ifdef FEAT_MBYTE 1258 if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col, 1259 LineOffset[gui.row] + screen_Columns) > 1) 1260 { 1261 /* Double wide character. */ 1262 if (shape_table[idx].shape != SHAPE_VER) 1263 cur_width += gui.char_width; 1264 # ifdef FEAT_RIGHTLEFT 1265 if (CURSOR_BAR_RIGHT) 1266 { 1267 /* gui.col points to the left halve of the character but 1268 * the vertical line needs to be on the right halve. 1269 * A double-wide horizontal line is also drawn from the 1270 * right halve in gui_mch_draw_part_cursor(). */ 1271 col_off = TRUE; 1272 ++gui.col; 1273 } 1274 # endif 1275 } 1276 #endif 1277 gui_mch_draw_part_cursor(cur_width, cur_height, cbg); 1278 #if defined(FEAT_MBYTE) && defined(FEAT_RIGHTLEFT) 1279 if (col_off) 1280 --gui.col; 1281 #endif 1282 1283 #ifndef FEAT_GUI_MSWIN /* doesn't seem to work for MSWindows */ 1284 gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col]; 1285 (void)gui_screenchar(LineOffset[gui.row] + gui.col, 1286 GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR, 1287 (guicolor_T)0, (guicolor_T)0, 0); 1288 #endif 1289 } 1290 gui.highlight_mask = old_hl_mask; 1291 } 1292 } 1293 1294 #if defined(FEAT_MENU) || defined(PROTO) 1295 void 1296 gui_position_menu(void) 1297 { 1298 # if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) 1299 if (gui.menu_is_active && gui.in_use) 1300 gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height); 1301 # endif 1302 } 1303 #endif 1304 1305 /* 1306 * Position the various GUI components (text area, menu). The vertical 1307 * scrollbars are NOT handled here. See gui_update_scrollbars(). 1308 */ 1309 static void 1310 gui_position_components(int total_width UNUSED) 1311 { 1312 int text_area_x; 1313 int text_area_y; 1314 int text_area_width; 1315 int text_area_height; 1316 1317 /* avoid that moving components around generates events */ 1318 ++hold_gui_events; 1319 1320 text_area_x = 0; 1321 if (gui.which_scrollbars[SBAR_LEFT]) 1322 text_area_x += gui.scrollbar_width; 1323 1324 text_area_y = 0; 1325 #if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON)) 1326 gui.menu_width = total_width; 1327 if (gui.menu_is_active) 1328 text_area_y += gui.menu_height; 1329 #endif 1330 #if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN) 1331 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1332 text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 1333 #endif 1334 1335 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1336 || defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MAC)) 1337 if (gui_has_tabline()) 1338 text_area_y += gui.tabline_height; 1339 #endif 1340 1341 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) 1342 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1343 { 1344 # ifdef FEAT_GUI_ATHENA 1345 gui_mch_set_toolbar_pos(0, text_area_y, 1346 gui.menu_width, gui.toolbar_height); 1347 # endif 1348 text_area_y += gui.toolbar_height; 1349 } 1350 #endif 1351 1352 text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2; 1353 text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2; 1354 1355 gui_mch_set_text_area_pos(text_area_x, 1356 text_area_y, 1357 text_area_width, 1358 text_area_height 1359 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1360 + xim_get_status_area_height() 1361 #endif 1362 ); 1363 #ifdef FEAT_MENU 1364 gui_position_menu(); 1365 #endif 1366 if (gui.which_scrollbars[SBAR_BOTTOM]) 1367 gui_mch_set_scrollbar_pos(&gui.bottom_sbar, 1368 text_area_x, 1369 text_area_y + text_area_height, 1370 text_area_width, 1371 gui.scrollbar_height); 1372 gui.left_sbar_x = 0; 1373 gui.right_sbar_x = text_area_x + text_area_width; 1374 1375 --hold_gui_events; 1376 } 1377 1378 /* 1379 * Get the width of the widgets and decorations to the side of the text area. 1380 */ 1381 int 1382 gui_get_base_width(void) 1383 { 1384 int base_width; 1385 1386 base_width = 2 * gui.border_offset; 1387 if (gui.which_scrollbars[SBAR_LEFT]) 1388 base_width += gui.scrollbar_width; 1389 if (gui.which_scrollbars[SBAR_RIGHT]) 1390 base_width += gui.scrollbar_width; 1391 return base_width; 1392 } 1393 1394 /* 1395 * Get the height of the widgets and decorations above and below the text area. 1396 */ 1397 int 1398 gui_get_base_height(void) 1399 { 1400 int base_height; 1401 1402 base_height = 2 * gui.border_offset; 1403 if (gui.which_scrollbars[SBAR_BOTTOM]) 1404 base_height += gui.scrollbar_height; 1405 #ifdef FEAT_GUI_GTK 1406 /* We can't take the sizes properly into account until anything is 1407 * realized. Therefore we recalculate all the values here just before 1408 * setting the size. (--mdcki) */ 1409 #else 1410 # ifdef FEAT_MENU 1411 if (gui.menu_is_active) 1412 base_height += gui.menu_height; 1413 # endif 1414 # ifdef FEAT_TOOLBAR 1415 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 1416 # if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR) 1417 base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT); 1418 # else 1419 base_height += gui.toolbar_height; 1420 # endif 1421 # endif 1422 # if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ 1423 || defined(FEAT_GUI_MOTIF)) 1424 if (gui_has_tabline()) 1425 base_height += gui.tabline_height; 1426 # endif 1427 # ifdef FEAT_FOOTER 1428 if (vim_strchr(p_go, GO_FOOTER) != NULL) 1429 base_height += gui.footer_height; 1430 # endif 1431 # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) 1432 base_height += gui_mch_text_area_extra_height(); 1433 # endif 1434 #endif 1435 return base_height; 1436 } 1437 1438 /* 1439 * Should be called after the GUI shell has been resized. Its arguments are 1440 * the new width and height of the shell in pixels. 1441 */ 1442 void 1443 gui_resize_shell(int pixel_width, int pixel_height) 1444 { 1445 static int busy = FALSE; 1446 1447 if (!gui.shell_created) /* ignore when still initializing */ 1448 return; 1449 1450 /* 1451 * Can't resize the screen while it is being redrawn. Remember the new 1452 * size and handle it later. 1453 */ 1454 if (updating_screen || busy) 1455 { 1456 new_pixel_width = pixel_width; 1457 new_pixel_height = pixel_height; 1458 return; 1459 } 1460 1461 again: 1462 new_pixel_width = 0; 1463 new_pixel_height = 0; 1464 busy = TRUE; 1465 1466 /* Flush pending output before redrawing */ 1467 out_flush(); 1468 1469 gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width; 1470 gui.num_rows = (pixel_height - gui_get_base_height()) / gui.char_height; 1471 1472 gui_position_components(pixel_width); 1473 gui_reset_scroll_region(); 1474 1475 /* 1476 * At the "more" and ":confirm" prompt there is no redraw, put the cursor 1477 * at the last line here (why does it have to be one row too low?). 1478 */ 1479 if (State == ASKMORE || State == CONFIRM) 1480 gui.row = gui.num_rows; 1481 1482 /* Only comparing Rows and Columns may be sufficient, but let's stay on 1483 * the safe side. */ 1484 if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns 1485 || gui.num_rows != Rows || gui.num_cols != Columns) 1486 shell_resized(); 1487 1488 gui_update_scrollbars(TRUE); 1489 gui_update_cursor(FALSE, TRUE); 1490 #if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) 1491 xim_set_status_area(); 1492 #endif 1493 1494 busy = FALSE; 1495 1496 /* We may have been called again while redrawing the screen. 1497 * Need to do it all again with the latest size then. But only if the size 1498 * actually changed. */ 1499 if (new_pixel_height) 1500 { 1501 if (pixel_width == new_pixel_width && pixel_height == new_pixel_height) 1502 { 1503 new_pixel_width = 0; 1504 new_pixel_height = 0; 1505 } 1506 else 1507 { 1508 pixel_width = new_pixel_width; 1509 pixel_height = new_pixel_height; 1510 goto again; 1511 } 1512 } 1513 } 1514 1515 /* 1516 * Check if gui_resize_shell() must be called. 1517 */ 1518 void 1519 gui_may_resize_shell(void) 1520 { 1521 if (new_pixel_height) 1522 /* careful: gui_resize_shell() may postpone the resize again if we 1523 * were called indirectly by it */ 1524 gui_resize_shell(new_pixel_width, new_pixel_height); 1525 } 1526 1527 int 1528 gui_get_shellsize(void) 1529 { 1530 Rows = gui.num_rows; 1531 Columns = gui.num_cols; 1532 return OK; 1533 } 1534 1535 /* 1536 * Set the size of the Vim shell according to Rows and Columns. 1537 * If "fit_to_display" is TRUE then the size may be reduced to fit the window 1538 * on the screen. 1539 */ 1540 void 1541 gui_set_shellsize( 1542 int mustset UNUSED, /* set by the user */ 1543 int fit_to_display, 1544 int direction) /* RESIZE_HOR, RESIZE_VER */ 1545 { 1546 int base_width; 1547 int base_height; 1548 int width; 1549 int height; 1550 int min_width; 1551 int min_height; 1552 int screen_w; 1553 int screen_h; 1554 #ifdef FEAT_GUI_GTK 1555 int un_maximize = mustset; 1556 int did_adjust = 0; 1557 #endif 1558 int x = -1, y = -1; 1559 1560 if (!gui.shell_created) 1561 return; 1562 1563 #if defined(MSWIN) || defined(FEAT_GUI_GTK) 1564 /* If not setting to a user specified size and maximized, calculate the 1565 * number of characters that fit in the maximized window. */ 1566 if (!mustset && gui_mch_maximized()) 1567 { 1568 gui_mch_newfont(); 1569 return; 1570 } 1571 #endif 1572 1573 base_width = gui_get_base_width(); 1574 base_height = gui_get_base_height(); 1575 if (fit_to_display) 1576 /* Remember the original window position. */ 1577 (void)gui_mch_get_winpos(&x, &y); 1578 1579 #ifdef USE_SUN_WORKSHOP 1580 if (!mustset && usingSunWorkShop 1581 && workshop_get_width_height(&width, &height)) 1582 { 1583 Columns = (width - base_width + gui.char_width - 1) / gui.char_width; 1584 Rows = (height - base_height + gui.char_height - 1) / gui.char_height; 1585 } 1586 else 1587 #endif 1588 { 1589 width = Columns * gui.char_width + base_width; 1590 height = Rows * gui.char_height + base_height; 1591 } 1592 1593 if (fit_to_display) 1594 { 1595 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1596 if ((direction & RESIZE_HOR) && width > screen_w) 1597 { 1598 Columns = (screen_w - base_width) / gui.char_width; 1599 if (Columns < MIN_COLUMNS) 1600 Columns = MIN_COLUMNS; 1601 width = Columns * gui.char_width + base_width; 1602 #ifdef FEAT_GUI_GTK 1603 ++did_adjust; 1604 #endif 1605 } 1606 if ((direction & RESIZE_VERT) && height > screen_h) 1607 { 1608 Rows = (screen_h - base_height) / gui.char_height; 1609 check_shellsize(); 1610 height = Rows * gui.char_height + base_height; 1611 #ifdef FEAT_GUI_GTK 1612 ++did_adjust; 1613 #endif 1614 } 1615 #ifdef FEAT_GUI_GTK 1616 if (did_adjust == 2 || (width + gui.char_width >= screen_w 1617 && height + gui.char_height >= screen_h)) 1618 /* don't unmaximize if at maximum size */ 1619 un_maximize = FALSE; 1620 #endif 1621 } 1622 limit_screen_size(); 1623 gui.num_cols = Columns; 1624 gui.num_rows = Rows; 1625 1626 min_width = base_width + MIN_COLUMNS * gui.char_width; 1627 min_height = base_height + MIN_LINES * gui.char_height; 1628 #ifdef FEAT_WINDOWS 1629 min_height += tabline_height() * gui.char_height; 1630 #endif 1631 1632 #ifdef FEAT_GUI_GTK 1633 if (un_maximize) 1634 { 1635 /* If the window size is smaller than the screen unmaximize the 1636 * window, otherwise resizing won't work. */ 1637 gui_mch_get_screen_dimensions(&screen_w, &screen_h); 1638 if ((width + gui.char_width < screen_w 1639 || height + gui.char_height * 2 < screen_h) 1640 && gui_mch_maximized()) 1641 gui_mch_unmaximize(); 1642 } 1643 #endif 1644 1645 gui_mch_set_shellsize(width, height, min_width, min_height, 1646 base_width, base_height, direction); 1647 1648 if (fit_to_display && x >= 0 && y >= 0) 1649 { 1650 /* Some window managers put the Vim window left of/above the screen. 1651 * Only change the position if it wasn't already negative before 1652 * (happens on MS-Windows with a secondary monitor). */ 1653 gui_mch_update(); 1654 if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0)) 1655 gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y); 1656 } 1657 1658 gui_position_components(width); 1659 gui_update_scrollbars(TRUE); 1660 gui_reset_scroll_region(); 1661 } 1662 1663 /* 1664 * Called when Rows and/or Columns has changed. 1665 */ 1666 void 1667 gui_new_shellsize(void) 1668 { 1669 gui_reset_scroll_region(); 1670 } 1671 1672 /* 1673 * Make scroll region cover whole screen. 1674 */ 1675 void 1676 gui_reset_scroll_region(void) 1677 { 1678 gui.scroll_region_top = 0; 1679 gui.scroll_region_bot = gui.num_rows - 1; 1680 gui.scroll_region_left = 0; 1681 gui.scroll_region_right = gui.num_cols - 1; 1682 } 1683 1684 void 1685 gui_start_highlight(int mask) 1686 { 1687 if (mask > HL_ALL) /* highlight code */ 1688 gui.highlight_mask = mask; 1689 else /* mask */ 1690 gui.highlight_mask |= mask; 1691 } 1692 1693 void 1694 gui_stop_highlight(int mask) 1695 { 1696 if (mask > HL_ALL) /* highlight code */ 1697 gui.highlight_mask = HL_NORMAL; 1698 else /* mask */ 1699 gui.highlight_mask &= ~mask; 1700 } 1701 1702 /* 1703 * Clear a rectangular region of the screen from text pos (row1, col1) to 1704 * (row2, col2) inclusive. 1705 */ 1706 void 1707 gui_clear_block( 1708 int row1, 1709 int col1, 1710 int row2, 1711 int col2) 1712 { 1713 /* Clear the selection if we are about to write over it */ 1714 clip_may_clear_selection(row1, row2); 1715 1716 gui_mch_clear_block(row1, col1, row2, col2); 1717 1718 /* Invalidate cursor if it was in this block */ 1719 if ( gui.cursor_row >= row1 && gui.cursor_row <= row2 1720 && gui.cursor_col >= col1 && gui.cursor_col <= col2) 1721 gui.cursor_is_valid = FALSE; 1722 } 1723 1724 /* 1725 * Write code to update the cursor later. This avoids the need to flush the 1726 * output buffer before calling gui_update_cursor(). 1727 */ 1728 void 1729 gui_update_cursor_later(void) 1730 { 1731 OUT_STR(IF_EB("\033|s", ESC_STR "|s")); 1732 } 1733 1734 void 1735 gui_write( 1736 char_u *s, 1737 int len) 1738 { 1739 char_u *p; 1740 int arg1 = 0, arg2 = 0; 1741 int force_cursor = FALSE; /* force cursor update */ 1742 int force_scrollbar = FALSE; 1743 static win_T *old_curwin = NULL; 1744 1745 /* #define DEBUG_GUI_WRITE */ 1746 #ifdef DEBUG_GUI_WRITE 1747 { 1748 int i; 1749 char_u *str; 1750 1751 printf("gui_write(%d):\n ", len); 1752 for (i = 0; i < len; i++) 1753 if (s[i] == ESC) 1754 { 1755 if (i != 0) 1756 printf("\n "); 1757 printf("<ESC>"); 1758 } 1759 else 1760 { 1761 str = transchar_byte(s[i]); 1762 if (str[0] && str[1]) 1763 printf("<%s>", (char *)str); 1764 else 1765 printf("%s", (char *)str); 1766 } 1767 printf("\n"); 1768 } 1769 #endif 1770 while (len) 1771 { 1772 if (s[0] == ESC && s[1] == '|') 1773 { 1774 p = s + 2; 1775 if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(*(p + 1)))) 1776 { 1777 arg1 = getdigits(&p); 1778 if (p > s + len) 1779 break; 1780 if (*p == ';') 1781 { 1782 ++p; 1783 arg2 = getdigits(&p); 1784 if (p > s + len) 1785 break; 1786 } 1787 } 1788 switch (*p) 1789 { 1790 case 'C': /* Clear screen */ 1791 clip_scroll_selection(9999); 1792 gui_mch_clear_all(); 1793 gui.cursor_is_valid = FALSE; 1794 force_scrollbar = TRUE; 1795 break; 1796 case 'M': /* Move cursor */ 1797 gui_set_cursor(arg1, arg2); 1798 break; 1799 case 's': /* force cursor (shape) update */ 1800 force_cursor = TRUE; 1801 break; 1802 case 'R': /* Set scroll region */ 1803 if (arg1 < arg2) 1804 { 1805 gui.scroll_region_top = arg1; 1806 gui.scroll_region_bot = arg2; 1807 } 1808 else 1809 { 1810 gui.scroll_region_top = arg2; 1811 gui.scroll_region_bot = arg1; 1812 } 1813 break; 1814 #ifdef FEAT_WINDOWS 1815 case 'V': /* Set vertical scroll region */ 1816 if (arg1 < arg2) 1817 { 1818 gui.scroll_region_left = arg1; 1819 gui.scroll_region_right = arg2; 1820 } 1821 else 1822 { 1823 gui.scroll_region_left = arg2; 1824 gui.scroll_region_right = arg1; 1825 } 1826 break; 1827 #endif 1828 case 'd': /* Delete line */ 1829 gui_delete_lines(gui.row, 1); 1830 break; 1831 case 'D': /* Delete lines */ 1832 gui_delete_lines(gui.row, arg1); 1833 break; 1834 case 'i': /* Insert line */ 1835 gui_insert_lines(gui.row, 1); 1836 break; 1837 case 'I': /* Insert lines */ 1838 gui_insert_lines(gui.row, arg1); 1839 break; 1840 case '$': /* Clear to end-of-line */ 1841 gui_clear_block(gui.row, gui.col, gui.row, 1842 (int)Columns - 1); 1843 break; 1844 case 'h': /* Turn on highlighting */ 1845 gui_start_highlight(arg1); 1846 break; 1847 case 'H': /* Turn off highlighting */ 1848 gui_stop_highlight(arg1); 1849 break; 1850 case 'f': /* flash the window (visual bell) */ 1851 gui_mch_flash(arg1 == 0 ? 20 : arg1); 1852 break; 1853 default: 1854 p = s + 1; /* Skip the ESC */ 1855 break; 1856 } 1857 len -= (int)(++p - s); 1858 s = p; 1859 } 1860 else if ( 1861 #ifdef EBCDIC 1862 CtrlChar(s[0]) != 0 /* Ctrl character */ 1863 #else 1864 s[0] < 0x20 /* Ctrl character */ 1865 #endif 1866 #ifdef FEAT_SIGN_ICONS 1867 && s[0] != SIGN_BYTE 1868 # ifdef FEAT_NETBEANS_INTG 1869 && s[0] != MULTISIGN_BYTE 1870 # endif 1871 #endif 1872 ) 1873 { 1874 if (s[0] == '\n') /* NL */ 1875 { 1876 gui.col = 0; 1877 if (gui.row < gui.scroll_region_bot) 1878 gui.row++; 1879 else 1880 gui_delete_lines(gui.scroll_region_top, 1); 1881 } 1882 else if (s[0] == '\r') /* CR */ 1883 { 1884 gui.col = 0; 1885 } 1886 else if (s[0] == '\b') /* Backspace */ 1887 { 1888 if (gui.col) 1889 --gui.col; 1890 } 1891 else if (s[0] == Ctrl_L) /* cursor-right */ 1892 { 1893 ++gui.col; 1894 } 1895 else if (s[0] == Ctrl_G) /* Beep */ 1896 { 1897 gui_mch_beep(); 1898 } 1899 /* Other Ctrl character: shouldn't happen! */ 1900 1901 --len; /* Skip this char */ 1902 ++s; 1903 } 1904 else 1905 { 1906 p = s; 1907 while (len > 0 && ( 1908 #ifdef EBCDIC 1909 CtrlChar(*p) == 0 1910 #else 1911 *p >= 0x20 1912 #endif 1913 #ifdef FEAT_SIGN_ICONS 1914 || *p == SIGN_BYTE 1915 # ifdef FEAT_NETBEANS_INTG 1916 || *p == MULTISIGN_BYTE 1917 # endif 1918 #endif 1919 )) 1920 { 1921 len--; 1922 p++; 1923 } 1924 gui_outstr(s, (int)(p - s)); 1925 s = p; 1926 } 1927 } 1928 1929 /* Postponed update of the cursor (won't work if "can_update_cursor" isn't 1930 * set). */ 1931 if (force_cursor) 1932 gui_update_cursor(TRUE, TRUE); 1933 1934 /* When switching to another window the dragging must have stopped. 1935 * Required for GTK, dragged_sb isn't reset. */ 1936 if (old_curwin != curwin) 1937 gui.dragged_sb = SBAR_NONE; 1938 1939 /* Update the scrollbars after clearing the screen or when switched 1940 * to another window. 1941 * Update the horizontal scrollbar always, it's difficult to check all 1942 * situations where it might change. */ 1943 if (force_scrollbar || old_curwin != curwin) 1944 gui_update_scrollbars(force_scrollbar); 1945 else 1946 gui_update_horiz_scrollbar(FALSE); 1947 old_curwin = curwin; 1948 1949 /* 1950 * We need to make sure this is cleared since Athena doesn't tell us when 1951 * he is done dragging. Do the same for GTK. 1952 */ 1953 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 1954 gui.dragged_sb = SBAR_NONE; 1955 #endif 1956 1957 gui_mch_flush(); /* In case vim decides to take a nap */ 1958 } 1959 1960 /* 1961 * When ScreenLines[] is invalid, updating the cursor should not be done, it 1962 * produces wrong results. Call gui_dont_update_cursor() before that code and 1963 * gui_can_update_cursor() afterwards. 1964 */ 1965 void 1966 gui_dont_update_cursor(int undraw) 1967 { 1968 if (gui.in_use) 1969 { 1970 /* Undraw the cursor now, we probably can't do it after the change. */ 1971 if (undraw) 1972 gui_undraw_cursor(); 1973 can_update_cursor = FALSE; 1974 } 1975 } 1976 1977 void 1978 gui_can_update_cursor(void) 1979 { 1980 can_update_cursor = TRUE; 1981 /* No need to update the cursor right now, there is always more output 1982 * after scrolling. */ 1983 } 1984 1985 static void 1986 gui_outstr(char_u *s, int len) 1987 { 1988 int this_len; 1989 #ifdef FEAT_MBYTE 1990 int cells; 1991 #endif 1992 1993 if (len == 0) 1994 return; 1995 1996 if (len < 0) 1997 len = (int)STRLEN(s); 1998 1999 while (len > 0) 2000 { 2001 #ifdef FEAT_MBYTE 2002 if (has_mbyte) 2003 { 2004 /* Find out how many chars fit in the current line. */ 2005 cells = 0; 2006 for (this_len = 0; this_len < len; ) 2007 { 2008 cells += (*mb_ptr2cells)(s + this_len); 2009 if (gui.col + cells > Columns) 2010 break; 2011 this_len += (*mb_ptr2len)(s + this_len); 2012 } 2013 if (this_len > len) 2014 this_len = len; /* don't include following composing char */ 2015 } 2016 else 2017 #endif 2018 if (gui.col + len > Columns) 2019 this_len = Columns - gui.col; 2020 else 2021 this_len = len; 2022 2023 (void)gui_outstr_nowrap(s, this_len, 2024 0, (guicolor_T)0, (guicolor_T)0, 0); 2025 s += this_len; 2026 len -= this_len; 2027 #ifdef FEAT_MBYTE 2028 /* fill up for a double-width char that doesn't fit. */ 2029 if (len > 0 && gui.col < Columns) 2030 (void)gui_outstr_nowrap((char_u *)" ", 1, 2031 0, (guicolor_T)0, (guicolor_T)0, 0); 2032 #endif 2033 /* The cursor may wrap to the next line. */ 2034 if (gui.col >= Columns) 2035 { 2036 gui.col = 0; 2037 gui.row++; 2038 } 2039 } 2040 } 2041 2042 /* 2043 * Output one character (may be one or two display cells). 2044 * Caller must check for valid "off". 2045 * Returns FAIL or OK, just like gui_outstr_nowrap(). 2046 */ 2047 static int 2048 gui_screenchar( 2049 int off, /* Offset from start of screen */ 2050 int flags, 2051 guicolor_T fg, /* colors for cursor */ 2052 guicolor_T bg, /* colors for cursor */ 2053 int back) /* backup this many chars when using bold trick */ 2054 { 2055 #ifdef FEAT_MBYTE 2056 char_u buf[MB_MAXBYTES + 1]; 2057 2058 /* Don't draw right halve of a double-width UTF-8 char. "cannot happen" */ 2059 if (enc_utf8 && ScreenLines[off] == 0) 2060 return OK; 2061 2062 if (enc_utf8 && ScreenLinesUC[off] != 0) 2063 /* Draw UTF-8 multi-byte character. */ 2064 return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf), 2065 flags, fg, bg, back); 2066 2067 if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2068 { 2069 buf[0] = ScreenLines[off]; 2070 buf[1] = ScreenLines2[off]; 2071 return gui_outstr_nowrap(buf, 2, flags, fg, bg, back); 2072 } 2073 2074 /* Draw non-multi-byte character or DBCS character. */ 2075 return gui_outstr_nowrap(ScreenLines + off, 2076 enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1, 2077 flags, fg, bg, back); 2078 #else 2079 return gui_outstr_nowrap(ScreenLines + off, 1, flags, fg, bg, back); 2080 #endif 2081 } 2082 2083 #ifdef FEAT_GUI_GTK 2084 /* 2085 * Output the string at the given screen position. This is used in place 2086 * of gui_screenchar() where possible because Pango needs as much context 2087 * as possible to work nicely. It's a lot faster as well. 2088 */ 2089 static int 2090 gui_screenstr( 2091 int off, /* Offset from start of screen */ 2092 int len, /* string length in screen cells */ 2093 int flags, 2094 guicolor_T fg, /* colors for cursor */ 2095 guicolor_T bg, /* colors for cursor */ 2096 int back) /* backup this many chars when using bold trick */ 2097 { 2098 char_u *buf; 2099 int outlen = 0; 2100 int i; 2101 int retval; 2102 2103 if (len <= 0) /* "cannot happen"? */ 2104 return OK; 2105 2106 if (enc_utf8) 2107 { 2108 buf = alloc((unsigned)(len * MB_MAXBYTES + 1)); 2109 if (buf == NULL) 2110 return OK; /* not much we could do here... */ 2111 2112 for (i = off; i < off + len; ++i) 2113 { 2114 if (ScreenLines[i] == 0) 2115 continue; /* skip second half of double-width char */ 2116 2117 if (ScreenLinesUC[i] == 0) 2118 buf[outlen++] = ScreenLines[i]; 2119 else 2120 outlen += utfc_char2bytes(i, buf + outlen); 2121 } 2122 2123 buf[outlen] = NUL; /* only to aid debugging */ 2124 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2125 vim_free(buf); 2126 2127 return retval; 2128 } 2129 else if (enc_dbcs == DBCS_JPNU) 2130 { 2131 buf = alloc((unsigned)(len * 2 + 1)); 2132 if (buf == NULL) 2133 return OK; /* not much we could do here... */ 2134 2135 for (i = off; i < off + len; ++i) 2136 { 2137 buf[outlen++] = ScreenLines[i]; 2138 2139 /* handle double-byte single-width char */ 2140 if (ScreenLines[i] == 0x8e) 2141 buf[outlen++] = ScreenLines2[i]; 2142 else if (MB_BYTE2LEN(ScreenLines[i]) == 2) 2143 buf[outlen++] = ScreenLines[++i]; 2144 } 2145 2146 buf[outlen] = NUL; /* only to aid debugging */ 2147 retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); 2148 vim_free(buf); 2149 2150 return retval; 2151 } 2152 else 2153 { 2154 return gui_outstr_nowrap(&ScreenLines[off], len, 2155 flags, fg, bg, back); 2156 } 2157 } 2158 #endif /* FEAT_GUI_GTK */ 2159 2160 /* 2161 * Output the given string at the current cursor position. If the string is 2162 * too long to fit on the line, then it is truncated. 2163 * "flags": 2164 * GUI_MON_IS_CURSOR should only be used when this function is being called to 2165 * actually draw (an inverted) cursor. 2166 * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparent 2167 * background. 2168 * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over 2169 * it. 2170 * Returns OK, unless "back" is non-zero and using the bold trick, then return 2171 * FAIL (the caller should start drawing "back" chars back). 2172 */ 2173 int 2174 gui_outstr_nowrap( 2175 char_u *s, 2176 int len, 2177 int flags, 2178 guicolor_T fg, /* colors for cursor */ 2179 guicolor_T bg, /* colors for cursor */ 2180 int back) /* backup this many chars when using bold trick */ 2181 { 2182 long_u highlight_mask; 2183 long_u hl_mask_todo; 2184 guicolor_T fg_color; 2185 guicolor_T bg_color; 2186 guicolor_T sp_color; 2187 #if !defined(FEAT_GUI_GTK) 2188 GuiFont font = NOFONT; 2189 # ifdef FEAT_MBYTE 2190 GuiFont wide_font = NOFONT; 2191 # endif 2192 # ifdef FEAT_XFONTSET 2193 GuiFontset fontset = NOFONTSET; 2194 # endif 2195 #endif 2196 attrentry_T *aep = NULL; 2197 int draw_flags; 2198 int col = gui.col; 2199 #ifdef FEAT_SIGN_ICONS 2200 int draw_sign = FALSE; 2201 # ifdef FEAT_NETBEANS_INTG 2202 int multi_sign = FALSE; 2203 # endif 2204 #endif 2205 2206 if (len < 0) 2207 len = (int)STRLEN(s); 2208 if (len == 0) 2209 return OK; 2210 2211 #ifdef FEAT_SIGN_ICONS 2212 if (*s == SIGN_BYTE 2213 # ifdef FEAT_NETBEANS_INTG 2214 || *s == MULTISIGN_BYTE 2215 # endif 2216 ) 2217 { 2218 # ifdef FEAT_NETBEANS_INTG 2219 if (*s == MULTISIGN_BYTE) 2220 multi_sign = TRUE; 2221 # endif 2222 /* draw spaces instead */ 2223 s = (char_u *)" "; 2224 if (len == 1 && col > 0) 2225 --col; 2226 len = 2; 2227 draw_sign = TRUE; 2228 highlight_mask = 0; 2229 } 2230 else 2231 #endif 2232 if (gui.highlight_mask > HL_ALL) 2233 { 2234 aep = syn_gui_attr2entry(gui.highlight_mask); 2235 if (aep == NULL) /* highlighting not set */ 2236 highlight_mask = 0; 2237 else 2238 highlight_mask = aep->ae_attr; 2239 } 2240 else 2241 highlight_mask = gui.highlight_mask; 2242 hl_mask_todo = highlight_mask; 2243 2244 #if !defined(FEAT_GUI_GTK) 2245 /* Set the font */ 2246 if (aep != NULL && aep->ae_u.gui.font != NOFONT) 2247 font = aep->ae_u.gui.font; 2248 # ifdef FEAT_XFONTSET 2249 else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET) 2250 fontset = aep->ae_u.gui.fontset; 2251 # endif 2252 else 2253 { 2254 # ifdef FEAT_XFONTSET 2255 if (gui.fontset != NOFONTSET) 2256 fontset = gui.fontset; 2257 else 2258 # endif 2259 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2260 { 2261 if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT) 2262 { 2263 font = gui.boldital_font; 2264 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC); 2265 } 2266 else if (gui.bold_font != NOFONT) 2267 { 2268 font = gui.bold_font; 2269 hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT); 2270 } 2271 else 2272 font = gui.norm_font; 2273 } 2274 else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT) 2275 { 2276 font = gui.ital_font; 2277 hl_mask_todo &= ~HL_ITALIC; 2278 } 2279 else 2280 font = gui.norm_font; 2281 2282 # ifdef FEAT_MBYTE 2283 /* 2284 * Choose correct wide_font by font. wide_font should be set with font 2285 * at same time in above block. But it will make many "ifdef" nasty 2286 * blocks. So we do it here. 2287 */ 2288 if (font == gui.boldital_font && gui.wide_boldital_font) 2289 wide_font = gui.wide_boldital_font; 2290 else if (font == gui.bold_font && gui.wide_bold_font) 2291 wide_font = gui.wide_bold_font; 2292 else if (font == gui.ital_font && gui.wide_ital_font) 2293 wide_font = gui.wide_ital_font; 2294 else if (font == gui.norm_font && gui.wide_font) 2295 wide_font = gui.wide_font; 2296 # endif 2297 2298 } 2299 # ifdef FEAT_XFONTSET 2300 if (fontset != NOFONTSET) 2301 gui_mch_set_fontset(fontset); 2302 else 2303 # endif 2304 gui_mch_set_font(font); 2305 #endif 2306 2307 draw_flags = 0; 2308 2309 /* Set the color */ 2310 bg_color = gui.back_pixel; 2311 if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus) 2312 { 2313 draw_flags |= DRAW_CURSOR; 2314 fg_color = fg; 2315 bg_color = bg; 2316 sp_color = fg; 2317 } 2318 else if (aep != NULL) 2319 { 2320 fg_color = aep->ae_u.gui.fg_color; 2321 if (fg_color == INVALCOLOR) 2322 fg_color = gui.norm_pixel; 2323 bg_color = aep->ae_u.gui.bg_color; 2324 if (bg_color == INVALCOLOR) 2325 bg_color = gui.back_pixel; 2326 sp_color = aep->ae_u.gui.sp_color; 2327 if (sp_color == INVALCOLOR) 2328 sp_color = fg_color; 2329 } 2330 else 2331 { 2332 fg_color = gui.norm_pixel; 2333 sp_color = fg_color; 2334 } 2335 2336 if (highlight_mask & (HL_INVERSE | HL_STANDOUT)) 2337 { 2338 #if defined(AMIGA) 2339 gui_mch_set_colors(bg_color, fg_color); 2340 #else 2341 gui_mch_set_fg_color(bg_color); 2342 gui_mch_set_bg_color(fg_color); 2343 #endif 2344 } 2345 else 2346 { 2347 #if defined(AMIGA) 2348 gui_mch_set_colors(fg_color, bg_color); 2349 #else 2350 gui_mch_set_fg_color(fg_color); 2351 gui_mch_set_bg_color(bg_color); 2352 #endif 2353 } 2354 gui_mch_set_sp_color(sp_color); 2355 2356 /* Clear the selection if we are about to write over it */ 2357 if (!(flags & GUI_MON_NOCLEAR)) 2358 clip_may_clear_selection(gui.row, gui.row); 2359 2360 2361 /* If there's no bold font, then fake it */ 2362 if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) 2363 draw_flags |= DRAW_BOLD; 2364 2365 /* 2366 * When drawing bold or italic characters the spill-over from the left 2367 * neighbor may be destroyed. Let the caller backup to start redrawing 2368 * just after a blank. 2369 */ 2370 if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC))) 2371 return FAIL; 2372 2373 #if defined(FEAT_GUI_GTK) 2374 /* If there's no italic font, then fake it. 2375 * For GTK2, we don't need a different font for italic style. */ 2376 if (hl_mask_todo & HL_ITALIC) 2377 draw_flags |= DRAW_ITALIC; 2378 2379 /* Do we underline the text? */ 2380 if (hl_mask_todo & HL_UNDERLINE) 2381 draw_flags |= DRAW_UNDERL; 2382 #else 2383 /* Do we underline the text? */ 2384 if ((hl_mask_todo & HL_UNDERLINE) || (hl_mask_todo & HL_ITALIC)) 2385 draw_flags |= DRAW_UNDERL; 2386 #endif 2387 /* Do we undercurl the text? */ 2388 if (hl_mask_todo & HL_UNDERCURL) 2389 draw_flags |= DRAW_UNDERC; 2390 2391 /* Do we draw transparently? */ 2392 if (flags & GUI_MON_TRS_CURSOR) 2393 draw_flags |= DRAW_TRANSP; 2394 2395 /* 2396 * Draw the text. 2397 */ 2398 #ifdef FEAT_GUI_GTK 2399 /* The value returned is the length in display cells */ 2400 len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags); 2401 #else 2402 # ifdef FEAT_MBYTE 2403 if (enc_utf8) 2404 { 2405 int start; /* index of bytes to be drawn */ 2406 int cells; /* cellwidth of bytes to be drawn */ 2407 int thislen; /* length of bytes to be drawn */ 2408 int cn; /* cellwidth of current char */ 2409 int i; /* index of current char */ 2410 int c; /* current char value */ 2411 int cl; /* byte length of current char */ 2412 int comping; /* current char is composing */ 2413 int scol = col; /* screen column */ 2414 int curr_wide; /* use 'guifontwide' */ 2415 int prev_wide = FALSE; 2416 int wide_changed; 2417 2418 /* Break the string at a composing character, it has to be drawn on 2419 * top of the previous character. */ 2420 start = 0; 2421 cells = 0; 2422 for (i = 0; i < len; i += cl) 2423 { 2424 c = utf_ptr2char(s + i); 2425 cn = utf_char2cells(c); 2426 if (cn > 1 2427 # ifdef FEAT_XFONTSET 2428 && fontset == NOFONTSET 2429 # endif 2430 && wide_font != NOFONT) 2431 curr_wide = TRUE; 2432 else 2433 curr_wide = FALSE; 2434 comping = utf_iscomposing(c); 2435 if (!comping) /* count cells from non-composing chars */ 2436 cells += cn; 2437 cl = utf_ptr2len(s + i); 2438 if (cl == 0) /* hit end of string */ 2439 len = i + cl; /* len must be wrong "cannot happen" */ 2440 2441 wide_changed = curr_wide != prev_wide; 2442 2443 /* Print the string so far if it's the last character or there is 2444 * a composing character. */ 2445 if (i + cl >= len || (comping && i > start) || wide_changed 2446 # if defined(FEAT_GUI_X11) 2447 || (cn > 1 2448 # ifdef FEAT_XFONTSET 2449 /* No fontset: At least draw char after wide char at 2450 * right position. */ 2451 && fontset == NOFONTSET 2452 # endif 2453 ) 2454 # endif 2455 ) 2456 { 2457 if (comping || wide_changed) 2458 thislen = i - start; 2459 else 2460 thislen = i - start + cl; 2461 if (thislen > 0) 2462 { 2463 if (prev_wide) 2464 gui_mch_set_font(wide_font); 2465 gui_mch_draw_string(gui.row, scol, s + start, thislen, 2466 draw_flags); 2467 if (prev_wide) 2468 gui_mch_set_font(font); 2469 start += thislen; 2470 } 2471 scol += cells; 2472 cells = 0; 2473 /* Adjust to not draw a character which width is changed 2474 * against with last one. */ 2475 if (wide_changed && !comping) 2476 { 2477 scol -= cn; 2478 cl = 0; 2479 } 2480 2481 # if defined(FEAT_GUI_X11) 2482 /* No fontset: draw a space to fill the gap after a wide char 2483 * */ 2484 if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0 2485 # ifdef FEAT_XFONTSET 2486 && fontset == NOFONTSET 2487 # endif 2488 && !wide_changed) 2489 gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ", 2490 1, draw_flags); 2491 # endif 2492 } 2493 /* Draw a composing char on top of the previous char. */ 2494 if (comping) 2495 { 2496 # if (defined(__APPLE_CC__) || defined(__MRC__)) && TARGET_API_MAC_CARBON 2497 /* Carbon ATSUI autodraws composing char over previous char */ 2498 gui_mch_draw_string(gui.row, scol, s + i, cl, 2499 draw_flags | DRAW_TRANSP); 2500 # else 2501 gui_mch_draw_string(gui.row, scol - cn, s + i, cl, 2502 draw_flags | DRAW_TRANSP); 2503 # endif 2504 start = i + cl; 2505 } 2506 prev_wide = curr_wide; 2507 } 2508 /* The stuff below assumes "len" is the length in screen columns. */ 2509 len = scol - col; 2510 } 2511 else 2512 # endif 2513 { 2514 gui_mch_draw_string(gui.row, col, s, len, draw_flags); 2515 # ifdef FEAT_MBYTE 2516 if (enc_dbcs == DBCS_JPNU) 2517 { 2518 /* Get the length in display cells, this can be different from the 2519 * number of bytes for "euc-jp". */ 2520 len = mb_string2cells(s, len); 2521 } 2522 # endif 2523 } 2524 #endif /* !FEAT_GUI_GTK */ 2525 2526 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2527 gui.col = col + len; 2528 2529 /* May need to invert it when it's part of the selection. */ 2530 if (flags & GUI_MON_NOCLEAR) 2531 clip_may_redraw_selection(gui.row, col, len); 2532 2533 if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) 2534 { 2535 /* Invalidate the old physical cursor position if we wrote over it */ 2536 if (gui.cursor_row == gui.row 2537 && gui.cursor_col >= col 2538 && gui.cursor_col < col + len) 2539 gui.cursor_is_valid = FALSE; 2540 } 2541 2542 #ifdef FEAT_SIGN_ICONS 2543 if (draw_sign) 2544 /* Draw the sign on top of the spaces. */ 2545 gui_mch_drawsign(gui.row, col, gui.highlight_mask); 2546 # if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \ 2547 || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32)) 2548 if (multi_sign) 2549 netbeans_draw_multisign_indicator(gui.row); 2550 # endif 2551 #endif 2552 2553 return OK; 2554 } 2555 2556 /* 2557 * Un-draw the cursor. Actually this just redraws the character at the given 2558 * position. The character just before it too, for when it was in bold. 2559 */ 2560 void 2561 gui_undraw_cursor(void) 2562 { 2563 if (gui.cursor_is_valid) 2564 { 2565 #ifdef FEAT_HANGULIN 2566 if (composing_hangul 2567 && gui.col == gui.cursor_col && gui.row == gui.cursor_row) 2568 { 2569 char_u *comp_buf; 2570 int comp_len; 2571 2572 comp_buf = hangul_composing_buffer_get(&comp_len); 2573 if (comp_buf) 2574 { 2575 (void)gui_outstr_nowrap(comp_buf, comp_len, 2576 GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, 2577 gui.norm_pixel, gui.back_pixel, 0); 2578 vim_free(comp_buf); 2579 } 2580 } 2581 else 2582 { 2583 #endif 2584 if (gui_redraw_block(gui.cursor_row, gui.cursor_col, 2585 gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR) 2586 && gui.cursor_col > 0) 2587 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col - 1, 2588 gui.cursor_row, gui.cursor_col - 1, GUI_MON_NOCLEAR); 2589 #ifdef FEAT_HANGULIN 2590 if (composing_hangul) 2591 (void)gui_redraw_block(gui.cursor_row, gui.cursor_col + 1, 2592 gui.cursor_row, gui.cursor_col + 1, GUI_MON_NOCLEAR); 2593 } 2594 #endif 2595 /* Cursor_is_valid is reset when the cursor is undrawn, also reset it 2596 * here in case it wasn't needed to undraw it. */ 2597 gui.cursor_is_valid = FALSE; 2598 } 2599 } 2600 2601 void 2602 gui_redraw( 2603 int x, 2604 int y, 2605 int w, 2606 int h) 2607 { 2608 int row1, col1, row2, col2; 2609 2610 row1 = Y_2_ROW(y); 2611 col1 = X_2_COL(x); 2612 row2 = Y_2_ROW(y + h - 1); 2613 col2 = X_2_COL(x + w - 1); 2614 2615 (void)gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR); 2616 2617 /* 2618 * We may need to redraw the cursor, but don't take it upon us to change 2619 * its location after a scroll. 2620 * (maybe be more strict even and test col too?) 2621 * These things may be outside the update/clipping region and reality may 2622 * not reflect Vims internal ideas if these operations are clipped away. 2623 */ 2624 if (gui.row == gui.cursor_row) 2625 gui_update_cursor(TRUE, TRUE); 2626 } 2627 2628 /* 2629 * Draw a rectangular block of characters, from row1 to row2 (inclusive) and 2630 * from col1 to col2 (inclusive). 2631 * Return TRUE when the character before the first drawn character has 2632 * different attributes (may have to be redrawn too). 2633 */ 2634 int 2635 gui_redraw_block( 2636 int row1, 2637 int col1, 2638 int row2, 2639 int col2, 2640 int flags) /* flags for gui_outstr_nowrap() */ 2641 { 2642 int old_row, old_col; 2643 long_u old_hl_mask; 2644 int off; 2645 sattr_T first_attr; 2646 int idx, len; 2647 int back, nback; 2648 int retval = FALSE; 2649 #ifdef FEAT_MBYTE 2650 int orig_col1, orig_col2; 2651 #endif 2652 2653 /* Don't try to update when ScreenLines is not valid */ 2654 if (!screen_cleared || ScreenLines == NULL) 2655 return retval; 2656 2657 /* Don't try to draw outside the shell! */ 2658 /* Check everything, strange values may be caused by a big border width */ 2659 col1 = check_col(col1); 2660 col2 = check_col(col2); 2661 row1 = check_row(row1); 2662 row2 = check_row(row2); 2663 2664 /* Remember where our cursor was */ 2665 old_row = gui.row; 2666 old_col = gui.col; 2667 old_hl_mask = gui.highlight_mask; 2668 #ifdef FEAT_MBYTE 2669 orig_col1 = col1; 2670 orig_col2 = col2; 2671 #endif 2672 2673 for (gui.row = row1; gui.row <= row2; gui.row++) 2674 { 2675 #ifdef FEAT_MBYTE 2676 /* When only half of a double-wide character is in the block, include 2677 * the other half. */ 2678 col1 = orig_col1; 2679 col2 = orig_col2; 2680 off = LineOffset[gui.row]; 2681 if (enc_dbcs != 0) 2682 { 2683 if (col1 > 0) 2684 col1 -= dbcs_screen_head_off(ScreenLines + off, 2685 ScreenLines + off + col1); 2686 col2 += dbcs_screen_tail_off(ScreenLines + off, 2687 ScreenLines + off + col2); 2688 } 2689 else if (enc_utf8) 2690 { 2691 if (ScreenLines[off + col1] == 0) 2692 --col1; 2693 # ifdef FEAT_GUI_GTK 2694 if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) 2695 ++col2; 2696 # endif 2697 } 2698 #endif 2699 gui.col = col1; 2700 off = LineOffset[gui.row] + gui.col; 2701 len = col2 - col1 + 1; 2702 2703 /* Find how many chars back this highlighting starts, or where a space 2704 * is. Needed for when the bold trick is used */ 2705 for (back = 0; back < col1; ++back) 2706 if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off] 2707 || ScreenLines[off - 1 - back] == ' ') 2708 break; 2709 retval = (col1 > 0 && ScreenAttrs[off - 1] != 0 && back == 0 2710 && ScreenLines[off - 1] != ' '); 2711 2712 /* Break it up in strings of characters with the same attributes. */ 2713 /* Print UTF-8 characters individually. */ 2714 while (len > 0) 2715 { 2716 first_attr = ScreenAttrs[off]; 2717 gui.highlight_mask = first_attr; 2718 #if defined(FEAT_MBYTE) && !defined(FEAT_GUI_GTK) 2719 if (enc_utf8 && ScreenLinesUC[off] != 0) 2720 { 2721 /* output multi-byte character separately */ 2722 nback = gui_screenchar(off, flags, 2723 (guicolor_T)0, (guicolor_T)0, back); 2724 if (gui.col < Columns && ScreenLines[off + 1] == 0) 2725 idx = 2; 2726 else 2727 idx = 1; 2728 } 2729 else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) 2730 { 2731 /* output double-byte, single-width character separately */ 2732 nback = gui_screenchar(off, flags, 2733 (guicolor_T)0, (guicolor_T)0, back); 2734 idx = 1; 2735 } 2736 else 2737 #endif 2738 { 2739 #ifdef FEAT_GUI_GTK 2740 for (idx = 0; idx < len; ++idx) 2741 { 2742 if (enc_utf8 && ScreenLines[off + idx] == 0) 2743 continue; /* skip second half of double-width char */ 2744 if (ScreenAttrs[off + idx] != first_attr) 2745 break; 2746 } 2747 /* gui_screenstr() takes care of multibyte chars */ 2748 nback = gui_screenstr(off, idx, flags, 2749 (guicolor_T)0, (guicolor_T)0, back); 2750 #else 2751 for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr; 2752 idx++) 2753 { 2754 # ifdef FEAT_MBYTE 2755 /* Stop at a multi-byte Unicode character. */ 2756 if (enc_utf8 && ScreenLinesUC[off + idx] != 0) 2757 break; 2758 if (enc_dbcs == DBCS_JPNU) 2759 { 2760 /* Stop at a double-byte single-width char. */ 2761 if (ScreenLines[off + idx] == 0x8e) 2762 break; 2763 if (len > 1 && (*mb_ptr2len)(ScreenLines 2764 + off + idx) == 2) 2765 ++idx; /* skip second byte of double-byte char */ 2766 } 2767 # endif 2768 } 2769 nback = gui_outstr_nowrap(ScreenLines + off, idx, flags, 2770 (guicolor_T)0, (guicolor_T)0, back); 2771 #endif 2772 } 2773 if (nback == FAIL) 2774 { 2775 /* Must back up to start drawing where a bold or italic word 2776 * starts. */ 2777 off -= back; 2778 len += back; 2779 gui.col -= back; 2780 } 2781 else 2782 { 2783 off += idx; 2784 len -= idx; 2785 } 2786 back = 0; 2787 } 2788 } 2789 2790 /* Put the cursor back where it was */ 2791 gui.row = old_row; 2792 gui.col = old_col; 2793 gui.highlight_mask = (int)old_hl_mask; 2794 2795 return retval; 2796 } 2797 2798 static void 2799 gui_delete_lines(int row, int count) 2800 { 2801 if (count <= 0) 2802 return; 2803 2804 if (row + count > gui.scroll_region_bot) 2805 /* Scrolled out of region, just blank the lines out */ 2806 gui_clear_block(row, gui.scroll_region_left, 2807 gui.scroll_region_bot, gui.scroll_region_right); 2808 else 2809 { 2810 gui_mch_delete_lines(row, count); 2811 2812 /* If the cursor was in the deleted lines it's now gone. If the 2813 * cursor was in the scrolled lines adjust its position. */ 2814 if (gui.cursor_row >= row 2815 && gui.cursor_col >= gui.scroll_region_left 2816 && gui.cursor_col <= gui.scroll_region_right) 2817 { 2818 if (gui.cursor_row < row + count) 2819 gui.cursor_is_valid = FALSE; 2820 else if (gui.cursor_row <= gui.scroll_region_bot) 2821 gui.cursor_row -= count; 2822 } 2823 } 2824 } 2825 2826 static void 2827 gui_insert_lines(int row, int count) 2828 { 2829 if (count <= 0) 2830 return; 2831 2832 if (row + count > gui.scroll_region_bot) 2833 /* Scrolled out of region, just blank the lines out */ 2834 gui_clear_block(row, gui.scroll_region_left, 2835 gui.scroll_region_bot, gui.scroll_region_right); 2836 else 2837 { 2838 gui_mch_insert_lines(row, count); 2839 2840 if (gui.cursor_row >= gui.row 2841 && gui.cursor_col >= gui.scroll_region_left 2842 && gui.cursor_col <= gui.scroll_region_right) 2843 { 2844 if (gui.cursor_row <= gui.scroll_region_bot - count) 2845 gui.cursor_row += count; 2846 else if (gui.cursor_row <= gui.scroll_region_bot) 2847 gui.cursor_is_valid = FALSE; 2848 } 2849 } 2850 } 2851 2852 /* 2853 * Returns OK if a character was found to be available within the given time, 2854 * or FAIL otherwise. 2855 */ 2856 static int 2857 gui_wait_for_chars_or_timer(long wtime) 2858 { 2859 #ifdef FEAT_TIMERS 2860 int due_time; 2861 long remaining = wtime; 2862 int tb_change_cnt = typebuf.tb_change_cnt; 2863 2864 /* When waiting very briefly don't trigger timers. */ 2865 if (wtime >= 0 && wtime < 10L) 2866 return gui_mch_wait_for_chars(wtime); 2867 2868 while (wtime < 0 || remaining > 0) 2869 { 2870 /* Trigger timers and then get the time in wtime until the next one is 2871 * due. Wait up to that time. */ 2872 due_time = check_due_timer(); 2873 if (typebuf.tb_change_cnt != tb_change_cnt) 2874 { 2875 /* timer may have used feedkeys() */ 2876 return FAIL; 2877 } 2878 if (due_time <= 0 || (wtime > 0 && due_time > remaining)) 2879 due_time = remaining; 2880 if (gui_mch_wait_for_chars(due_time)) 2881 return OK; 2882 if (wtime > 0) 2883 remaining -= due_time; 2884 } 2885 return FAIL; 2886 #else 2887 return gui_mch_wait_for_chars(wtime); 2888 #endif 2889 } 2890 2891 /* 2892 * The main GUI input routine. Waits for a character from the keyboard. 2893 * wtime == -1 Wait forever. 2894 * wtime == 0 Don't wait. 2895 * wtime > 0 Wait wtime milliseconds for a character. 2896 * Returns OK if a character was found to be available within the given time, 2897 * or FAIL otherwise. 2898 */ 2899 int 2900 gui_wait_for_chars(long wtime) 2901 { 2902 int retval; 2903 int tb_change_cnt = typebuf.tb_change_cnt; 2904 2905 #ifdef FEAT_MENU 2906 /* 2907 * If we're going to wait a bit, update the menus and mouse shape for the 2908 * current State. 2909 */ 2910 if (wtime != 0) 2911 gui_update_menus(0); 2912 #endif 2913 2914 gui_mch_update(); 2915 if (input_available()) /* Got char, return immediately */ 2916 return OK; 2917 if (wtime == 0) /* Don't wait for char */ 2918 return FAIL; 2919 2920 /* Before waiting, flush any output to the screen. */ 2921 gui_mch_flush(); 2922 2923 if (wtime > 0) 2924 { 2925 /* Blink when waiting for a character. Probably only does something 2926 * for showmatch() */ 2927 gui_mch_start_blink(); 2928 retval = gui_wait_for_chars_or_timer(wtime); 2929 gui_mch_stop_blink(); 2930 return retval; 2931 } 2932 2933 /* 2934 * While we are waiting indefinitely for a character, blink the cursor. 2935 */ 2936 gui_mch_start_blink(); 2937 2938 retval = FAIL; 2939 /* 2940 * We may want to trigger the CursorHold event. First wait for 2941 * 'updatetime' and if nothing is typed within that time put the 2942 * K_CURSORHOLD key in the input buffer. 2943 */ 2944 if (gui_wait_for_chars_or_timer(p_ut) == OK) 2945 retval = OK; 2946 #ifdef FEAT_AUTOCMD 2947 else if (trigger_cursorhold()) 2948 { 2949 char_u buf[3]; 2950 2951 /* Put K_CURSORHOLD in the input buffer. */ 2952 buf[0] = CSI; 2953 buf[1] = KS_EXTRA; 2954 buf[2] = (int)KE_CURSORHOLD; 2955 add_to_input_buf(buf, 3); 2956 2957 retval = OK; 2958 } 2959 #endif 2960 2961 if (retval == FAIL && typebuf.tb_change_cnt == tb_change_cnt) 2962 { 2963 /* Blocking wait. */ 2964 before_blocking(); 2965 retval = gui_wait_for_chars_or_timer(-1L); 2966 } 2967 2968 gui_mch_stop_blink(); 2969 return retval; 2970 } 2971 2972 /* 2973 * Fill p[4] with mouse coordinates encoded for check_termcode(). 2974 */ 2975 static void 2976 fill_mouse_coord(char_u *p, int col, int row) 2977 { 2978 p[0] = (char_u)(col / 128 + ' ' + 1); 2979 p[1] = (char_u)(col % 128 + ' ' + 1); 2980 p[2] = (char_u)(row / 128 + ' ' + 1); 2981 p[3] = (char_u)(row % 128 + ' ' + 1); 2982 } 2983 2984 /* 2985 * Generic mouse support function. Add a mouse event to the input buffer with 2986 * the given properties. 2987 * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT, 2988 * MOUSE_X1, MOUSE_X2 2989 * MOUSE_DRAG, or MOUSE_RELEASE. 2990 * MOUSE_4 and MOUSE_5 are used for vertical scroll wheel, 2991 * MOUSE_6 and MOUSE_7 for horizontal scroll wheel. 2992 * x, y --- Coordinates of mouse in pixels. 2993 * repeated_click --- TRUE if this click comes only a short time after a 2994 * previous click. 2995 * modifiers --- Bit field which may be any of the following modifiers 2996 * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT. 2997 * This function will ignore drag events where the mouse has not moved to a new 2998 * character. 2999 */ 3000 void 3001 gui_send_mouse_event( 3002 int button, 3003 int x, 3004 int y, 3005 int repeated_click, 3006 int_u modifiers) 3007 { 3008 static int prev_row = 0, prev_col = 0; 3009 static int prev_button = -1; 3010 static int num_clicks = 1; 3011 char_u string[10]; 3012 enum key_extra button_char; 3013 int row, col; 3014 #ifdef FEAT_CLIPBOARD 3015 int checkfor; 3016 int did_clip = FALSE; 3017 #endif 3018 3019 /* 3020 * Scrolling may happen at any time, also while a selection is present. 3021 */ 3022 switch (button) 3023 { 3024 case MOUSE_X1: 3025 button_char = KE_X1MOUSE; 3026 goto button_set; 3027 case MOUSE_X2: 3028 button_char = KE_X2MOUSE; 3029 goto button_set; 3030 case MOUSE_4: 3031 button_char = KE_MOUSEDOWN; 3032 goto button_set; 3033 case MOUSE_5: 3034 button_char = KE_MOUSEUP; 3035 goto button_set; 3036 case MOUSE_6: 3037 button_char = KE_MOUSELEFT; 3038 goto button_set; 3039 case MOUSE_7: 3040 button_char = KE_MOUSERIGHT; 3041 button_set: 3042 { 3043 /* Don't put events in the input queue now. */ 3044 if (hold_gui_events) 3045 return; 3046 3047 string[3] = CSI; 3048 string[4] = KS_EXTRA; 3049 string[5] = (int)button_char; 3050 3051 /* Pass the pointer coordinates of the scroll event so that we 3052 * know which window to scroll. */ 3053 row = gui_xy2colrow(x, y, &col); 3054 string[6] = (char_u)(col / 128 + ' ' + 1); 3055 string[7] = (char_u)(col % 128 + ' ' + 1); 3056 string[8] = (char_u)(row / 128 + ' ' + 1); 3057 string[9] = (char_u)(row % 128 + ' ' + 1); 3058 3059 if (modifiers == 0) 3060 add_to_input_buf(string + 3, 7); 3061 else 3062 { 3063 string[0] = CSI; 3064 string[1] = KS_MODIFIER; 3065 string[2] = 0; 3066 if (modifiers & MOUSE_SHIFT) 3067 string[2] |= MOD_MASK_SHIFT; 3068 if (modifiers & MOUSE_CTRL) 3069 string[2] |= MOD_MASK_CTRL; 3070 if (modifiers & MOUSE_ALT) 3071 string[2] |= MOD_MASK_ALT; 3072 add_to_input_buf(string, 10); 3073 } 3074 return; 3075 } 3076 } 3077 3078 #ifdef FEAT_CLIPBOARD 3079 /* If a clipboard selection is in progress, handle it */ 3080 if (clip_star.state == SELECT_IN_PROGRESS) 3081 { 3082 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click); 3083 return; 3084 } 3085 3086 /* Determine which mouse settings to look for based on the current mode */ 3087 switch (get_real_state()) 3088 { 3089 case NORMAL_BUSY: 3090 case OP_PENDING: 3091 case NORMAL: checkfor = MOUSE_NORMAL; break; 3092 case VISUAL: checkfor = MOUSE_VISUAL; break; 3093 case SELECTMODE: checkfor = MOUSE_VISUAL; break; 3094 case REPLACE: 3095 case REPLACE+LANGMAP: 3096 #ifdef FEAT_VREPLACE 3097 case VREPLACE: 3098 case VREPLACE+LANGMAP: 3099 #endif 3100 case INSERT: 3101 case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break; 3102 case ASKMORE: 3103 case HITRETURN: /* At the more- and hit-enter prompt pass the 3104 mouse event for a click on or below the 3105 message line. */ 3106 if (Y_2_ROW(y) >= msg_row) 3107 checkfor = MOUSE_NORMAL; 3108 else 3109 checkfor = MOUSE_RETURN; 3110 break; 3111 3112 /* 3113 * On the command line, use the clipboard selection on all lines 3114 * but the command line. But not when pasting. 3115 */ 3116 case CMDLINE: 3117 case CMDLINE+LANGMAP: 3118 if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE) 3119 checkfor = MOUSE_NONE; 3120 else 3121 checkfor = MOUSE_COMMAND; 3122 break; 3123 3124 default: 3125 checkfor = MOUSE_NONE; 3126 break; 3127 }; 3128 3129 /* 3130 * Allow clipboard selection of text on the command line in "normal" 3131 * modes. Don't do this when dragging the status line, or extending a 3132 * Visual selection. 3133 */ 3134 if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT)) 3135 && Y_2_ROW(y) >= topframe->fr_height 3136 # ifdef FEAT_WINDOWS 3137 + firstwin->w_winrow 3138 # endif 3139 && button != MOUSE_DRAG 3140 # ifdef FEAT_MOUSESHAPE 3141 && !drag_status_line 3142 # ifdef FEAT_WINDOWS 3143 && !drag_sep_line 3144 # endif 3145 # endif 3146 ) 3147 checkfor = MOUSE_NONE; 3148 3149 /* 3150 * Use modeless selection when holding CTRL and SHIFT pressed. 3151 */ 3152 if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT)) 3153 checkfor = MOUSE_NONEF; 3154 3155 /* 3156 * In Ex mode, always use modeless selection. 3157 */ 3158 if (exmode_active) 3159 checkfor = MOUSE_NONE; 3160 3161 /* 3162 * If the mouse settings say to not use the mouse, use the modeless 3163 * selection. But if Visual is active, assume that only the Visual area 3164 * will be selected. 3165 * Exception: On the command line, both the selection is used and a mouse 3166 * key is send. 3167 */ 3168 if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND) 3169 { 3170 /* Don't do modeless selection in Visual mode. */ 3171 if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL)) 3172 return; 3173 3174 /* 3175 * When 'mousemodel' is "popup", shift-left is translated to right. 3176 * But not when also using Ctrl. 3177 */ 3178 if (mouse_model_popup() && button == MOUSE_LEFT 3179 && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL)) 3180 { 3181 button = MOUSE_RIGHT; 3182 modifiers &= ~ MOUSE_SHIFT; 3183 } 3184 3185 /* If the selection is done, allow the right button to extend it. 3186 * If the selection is cleared, allow the right button to start it 3187 * from the cursor position. */ 3188 if (button == MOUSE_RIGHT) 3189 { 3190 if (clip_star.state == SELECT_CLEARED) 3191 { 3192 if (State & CMDLINE) 3193 { 3194 col = msg_col; 3195 row = msg_row; 3196 } 3197 else 3198 { 3199 col = curwin->w_wcol; 3200 row = curwin->w_wrow + W_WINROW(curwin); 3201 } 3202 clip_start_selection(col, row, FALSE); 3203 } 3204 clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), 3205 repeated_click); 3206 did_clip = TRUE; 3207 } 3208 /* Allow the left button to start the selection */ 3209 else if (button == MOUSE_LEFT) 3210 { 3211 clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click); 3212 did_clip = TRUE; 3213 } 3214 3215 /* Always allow pasting */ 3216 if (button != MOUSE_MIDDLE) 3217 { 3218 if (!mouse_has(checkfor) || button == MOUSE_RELEASE) 3219 return; 3220 if (checkfor != MOUSE_COMMAND) 3221 button = MOUSE_LEFT; 3222 } 3223 repeated_click = FALSE; 3224 } 3225 3226 if (clip_star.state != SELECT_CLEARED && !did_clip) 3227 clip_clear_selection(&clip_star); 3228 #endif 3229 3230 /* Don't put events in the input queue now. */ 3231 if (hold_gui_events) 3232 return; 3233 3234 row = gui_xy2colrow(x, y, &col); 3235 3236 /* 3237 * If we are dragging and the mouse hasn't moved far enough to be on a 3238 * different character, then don't send an event to vim. 3239 */ 3240 if (button == MOUSE_DRAG) 3241 { 3242 if (row == prev_row && col == prev_col) 3243 return; 3244 /* Dragging above the window, set "row" to -1 to cause a scroll. */ 3245 if (y < 0) 3246 row = -1; 3247 } 3248 3249 /* 3250 * If topline has changed (window scrolled) since the last click, reset 3251 * repeated_click, because we don't want starting Visual mode when 3252 * clicking on a different character in the text. 3253 */ 3254 if (curwin->w_topline != gui_prev_topline 3255 #ifdef FEAT_DIFF 3256 || curwin->w_topfill != gui_prev_topfill 3257 #endif 3258 ) 3259 repeated_click = FALSE; 3260 3261 string[0] = CSI; /* this sequence is recognized by check_termcode() */ 3262 string[1] = KS_MOUSE; 3263 string[2] = KE_FILLER; 3264 if (button != MOUSE_DRAG && button != MOUSE_RELEASE) 3265 { 3266 if (repeated_click) 3267 { 3268 /* 3269 * Handle multiple clicks. They only count if the mouse is still 3270 * pointing at the same character. 3271 */ 3272 if (button != prev_button || row != prev_row || col != prev_col) 3273 num_clicks = 1; 3274 else if (++num_clicks > 4) 3275 num_clicks = 1; 3276 } 3277 else 3278 num_clicks = 1; 3279 prev_button = button; 3280 gui_prev_topline = curwin->w_topline; 3281 #ifdef FEAT_DIFF 3282 gui_prev_topfill = curwin->w_topfill; 3283 #endif 3284 3285 string[3] = (char_u)(button | 0x20); 3286 SET_NUM_MOUSE_CLICKS(string[3], num_clicks); 3287 } 3288 else 3289 string[3] = (char_u)button; 3290 3291 string[3] |= modifiers; 3292 fill_mouse_coord(string + 4, col, row); 3293 add_to_input_buf(string, 8); 3294 3295 if (row < 0) 3296 prev_row = 0; 3297 else 3298 prev_row = row; 3299 prev_col = col; 3300 3301 /* 3302 * We need to make sure this is cleared since Athena doesn't tell us when 3303 * he is done dragging. Neither does GTK+ 2 -- at least for now. 3304 */ 3305 #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) 3306 gui.dragged_sb = SBAR_NONE; 3307 #endif 3308 } 3309 3310 /* 3311 * Convert x and y coordinate to column and row in text window. 3312 * Corrects for multi-byte character. 3313 * returns column in "*colp" and row as return value; 3314 */ 3315 int 3316 gui_xy2colrow(int x, int y, int *colp) 3317 { 3318 int col = check_col(X_2_COL(x)); 3319 int row = check_row(Y_2_ROW(y)); 3320 3321 #ifdef FEAT_MBYTE 3322 *colp = mb_fix_col(col, row); 3323 #else 3324 *colp = col; 3325 #endif 3326 return row; 3327 } 3328 3329 #if defined(FEAT_MENU) || defined(PROTO) 3330 /* 3331 * Callback function for when a menu entry has been selected. 3332 */ 3333 void 3334 gui_menu_cb(vimmenu_T *menu) 3335 { 3336 char_u bytes[sizeof(long_u)]; 3337 3338 /* Don't put events in the input queue now. */ 3339 if (hold_gui_events) 3340 return; 3341 3342 bytes[0] = CSI; 3343 bytes[1] = KS_MENU; 3344 bytes[2] = KE_FILLER; 3345 add_to_input_buf(bytes, 3); 3346 add_long_to_buf((long_u)menu, bytes); 3347 add_to_input_buf_csi(bytes, sizeof(long_u)); 3348 } 3349 #endif 3350 3351 static int prev_which_scrollbars[3]; 3352 3353 /* 3354 * Set which components are present. 3355 * If "oldval" is not NULL, "oldval" is the previous value, the new value is 3356 * in p_go. 3357 */ 3358 void 3359 gui_init_which_components(char_u *oldval UNUSED) 3360 { 3361 #ifdef FEAT_MENU 3362 static int prev_menu_is_active = -1; 3363 #endif 3364 #ifdef FEAT_TOOLBAR 3365 static int prev_toolbar = -1; 3366 int using_toolbar = FALSE; 3367 #endif 3368 #ifdef FEAT_GUI_TABLINE 3369 int using_tabline; 3370 #endif 3371 #ifdef FEAT_FOOTER 3372 static int prev_footer = -1; 3373 int using_footer = FALSE; 3374 #endif 3375 #if defined(FEAT_MENU) 3376 static int prev_tearoff = -1; 3377 int using_tearoff = FALSE; 3378 #endif 3379 3380 char_u *p; 3381 int i; 3382 #ifdef FEAT_MENU 3383 int grey_old, grey_new; 3384 char_u *temp; 3385 #endif 3386 win_T *wp; 3387 int need_set_size; 3388 int fix_size; 3389 3390 #ifdef FEAT_MENU 3391 if (oldval != NULL && gui.in_use) 3392 { 3393 /* 3394 * Check if the menu's go from grey to non-grey or vise versa. 3395 */ 3396 grey_old = (vim_strchr(oldval, GO_GREY) != NULL); 3397 grey_new = (vim_strchr(p_go, GO_GREY) != NULL); 3398 if (grey_old != grey_new) 3399 { 3400 temp = p_go; 3401 p_go = oldval; 3402 gui_update_menus(MENU_ALL_MODES); 3403 p_go = temp; 3404 } 3405 } 3406 gui.menu_is_active = FALSE; 3407 #endif 3408 3409 for (i = 0; i < 3; i++) 3410 gui.which_scrollbars[i] = FALSE; 3411 for (p = p_go; *p; p++) 3412 switch (*p) 3413 { 3414 case GO_LEFT: 3415 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3416 break; 3417 case GO_RIGHT: 3418 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3419 break; 3420 #ifdef FEAT_WINDOWS 3421 case GO_VLEFT: 3422 if (win_hasvertsplit()) 3423 gui.which_scrollbars[SBAR_LEFT] = TRUE; 3424 break; 3425 case GO_VRIGHT: 3426 if (win_hasvertsplit()) 3427 gui.which_scrollbars[SBAR_RIGHT] = TRUE; 3428 break; 3429 #endif 3430 case GO_BOT: 3431 gui.which_scrollbars[SBAR_BOTTOM] = TRUE; 3432 break; 3433 #ifdef FEAT_MENU 3434 case GO_MENUS: 3435 gui.menu_is_active = TRUE; 3436 break; 3437 #endif 3438 case GO_GREY: 3439 /* make menu's have grey items, ignored here */ 3440 break; 3441 #ifdef FEAT_TOOLBAR 3442 case GO_TOOLBAR: 3443 using_toolbar = TRUE; 3444 break; 3445 #endif 3446 #ifdef FEAT_FOOTER 3447 case GO_FOOTER: 3448 using_footer = TRUE; 3449 break; 3450 #endif 3451 case GO_TEAROFF: 3452 #if defined(FEAT_MENU) 3453 using_tearoff = TRUE; 3454 #endif 3455 break; 3456 default: 3457 /* Ignore options that are not supported */ 3458 break; 3459 } 3460 3461 if (gui.in_use) 3462 { 3463 need_set_size = 0; 3464 fix_size = FALSE; 3465 3466 #ifdef FEAT_GUI_TABLINE 3467 /* Update the GUI tab line, it may appear or disappear. This may 3468 * cause the non-GUI tab line to disappear or appear. */ 3469 using_tabline = gui_has_tabline(); 3470 if (!gui_mch_showing_tabline() != !using_tabline) 3471 { 3472 /* We don't want a resize event change "Rows" here, save and 3473 * restore it. Resizing is handled below. */ 3474 i = Rows; 3475 gui_update_tabline(); 3476 Rows = i; 3477 need_set_size |= RESIZE_VERT; 3478 if (using_tabline) 3479 fix_size = TRUE; 3480 if (!gui_use_tabline()) 3481 redraw_tabline = TRUE; /* may draw non-GUI tab line */ 3482 } 3483 #endif 3484 3485 for (i = 0; i < 3; i++) 3486 { 3487 /* The scrollbar needs to be updated when it is shown/unshown and 3488 * when switching tab pages. But the size only changes when it's 3489 * shown/unshown. Thus we need two places to remember whether a 3490 * scrollbar is there or not. */ 3491 if (gui.which_scrollbars[i] != prev_which_scrollbars[i] 3492 #ifdef FEAT_WINDOWS 3493 || gui.which_scrollbars[i] 3494 != curtab->tp_prev_which_scrollbars[i] 3495 #endif 3496 ) 3497 { 3498 if (i == SBAR_BOTTOM) 3499 gui_mch_enable_scrollbar(&gui.bottom_sbar, 3500 gui.which_scrollbars[i]); 3501 else 3502 { 3503 FOR_ALL_WINDOWS(wp) 3504 { 3505 gui_do_scrollbar(wp, i, gui.which_scrollbars[i]); 3506 } 3507 } 3508 if (gui.which_scrollbars[i] != prev_which_scrollbars[i]) 3509 { 3510 if (i == SBAR_BOTTOM) 3511 need_set_size |= RESIZE_VERT; 3512 else 3513 need_set_size |= RESIZE_HOR; 3514 if (gui.which_scrollbars[i]) 3515 fix_size = TRUE; 3516 } 3517 } 3518 #ifdef FEAT_WINDOWS 3519 curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3520 #endif 3521 prev_which_scrollbars[i] = gui.which_scrollbars[i]; 3522 } 3523 3524 #ifdef FEAT_MENU 3525 if (gui.menu_is_active != prev_menu_is_active) 3526 { 3527 /* We don't want a resize event change "Rows" here, save and 3528 * restore it. Resizing is handled below. */ 3529 i = Rows; 3530 gui_mch_enable_menu(gui.menu_is_active); 3531 Rows = i; 3532 prev_menu_is_active = gui.menu_is_active; 3533 need_set_size |= RESIZE_VERT; 3534 if (gui.menu_is_active) 3535 fix_size = TRUE; 3536 } 3537 #endif 3538 3539 #ifdef FEAT_TOOLBAR 3540 if (using_toolbar != prev_toolbar) 3541 { 3542 gui_mch_show_toolbar(using_toolbar); 3543 prev_toolbar = using_toolbar; 3544 need_set_size |= RESIZE_VERT; 3545 if (using_toolbar) 3546 fix_size = TRUE; 3547 } 3548 #endif 3549 #ifdef FEAT_FOOTER 3550 if (using_footer != prev_footer) 3551 { 3552 gui_mch_enable_footer(using_footer); 3553 prev_footer = using_footer; 3554 need_set_size |= RESIZE_VERT; 3555 if (using_footer) 3556 fix_size = TRUE; 3557 } 3558 #endif 3559 #if defined(FEAT_MENU) && !(defined(WIN3264) && !defined(FEAT_TEAROFF)) 3560 if (using_tearoff != prev_tearoff) 3561 { 3562 gui_mch_toggle_tearoffs(using_tearoff); 3563 prev_tearoff = using_tearoff; 3564 } 3565 #endif 3566 if (need_set_size != 0) 3567 { 3568 #ifdef FEAT_GUI_GTK 3569 long prev_Columns = Columns; 3570 long prev_Rows = Rows; 3571 #endif 3572 /* Adjust the size of the window to make the text area keep the 3573 * same size and to avoid that part of our window is off-screen 3574 * and a scrollbar can't be used, for example. */ 3575 gui_set_shellsize(FALSE, fix_size, need_set_size); 3576 3577 #ifdef FEAT_GUI_GTK 3578 /* GTK has the annoying habit of sending us resize events when 3579 * changing the window size ourselves. This mostly happens when 3580 * waiting for a character to arrive, quite unpredictably, and may 3581 * change Columns and Rows when we don't want it. Wait for a 3582 * character here to avoid this effect. 3583 * If you remove this, please test this command for resizing 3584 * effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q". 3585 * Don't do this while starting up though. 3586 * Don't change Rows when adding menu/toolbar/tabline. 3587 * Don't change Columns when adding vertical toolbar. */ 3588 if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR)) 3589 (void)char_avail(); 3590 if ((need_set_size & RESIZE_VERT) == 0) 3591 Rows = prev_Rows; 3592 if ((need_set_size & RESIZE_HOR) == 0) 3593 Columns = prev_Columns; 3594 #endif 3595 } 3596 #ifdef FEAT_WINDOWS 3597 /* When the console tabline appears or disappears the window positions 3598 * change. */ 3599 if (firstwin->w_winrow != tabline_height()) 3600 shell_new_rows(); /* recompute window positions and heights */ 3601 #endif 3602 } 3603 } 3604 3605 #if defined(FEAT_GUI_TABLINE) || defined(PROTO) 3606 /* 3607 * Return TRUE if the GUI is taking care of the tabline. 3608 * It may still be hidden if 'showtabline' is zero. 3609 */ 3610 int 3611 gui_use_tabline(void) 3612 { 3613 return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL; 3614 } 3615 3616 /* 3617 * Return TRUE if the GUI is showing the tabline. 3618 * This uses 'showtabline'. 3619 */ 3620 static int 3621 gui_has_tabline(void) 3622 { 3623 if (!gui_use_tabline() 3624 || p_stal == 0 3625 || (p_stal == 1 && first_tabpage->tp_next == NULL)) 3626 return FALSE; 3627 return TRUE; 3628 } 3629 3630 /* 3631 * Update the tabline. 3632 * This may display/undisplay the tabline and update the labels. 3633 */ 3634 void 3635 gui_update_tabline(void) 3636 { 3637 int showit = gui_has_tabline(); 3638 int shown = gui_mch_showing_tabline(); 3639 3640 if (!gui.starting && starting == 0) 3641 { 3642 /* Updating the tabline uses direct GUI commands, flush 3643 * outstanding instructions first. (esp. clear screen) */ 3644 out_flush(); 3645 gui_mch_flush(); 3646 3647 if (!showit != !shown) 3648 gui_mch_show_tabline(showit); 3649 if (showit != 0) 3650 gui_mch_update_tabline(); 3651 3652 /* When the tabs change from hidden to shown or from shown to 3653 * hidden the size of the text area should remain the same. */ 3654 if (!showit != !shown) 3655 gui_set_shellsize(FALSE, showit, RESIZE_VERT); 3656 } 3657 } 3658 3659 /* 3660 * Get the label or tooltip for tab page "tp" into NameBuff[]. 3661 */ 3662 void 3663 get_tabline_label( 3664 tabpage_T *tp, 3665 int tooltip) /* TRUE: get tooltip */ 3666 { 3667 int modified = FALSE; 3668 char_u buf[40]; 3669 int wincount; 3670 win_T *wp; 3671 char_u **opt; 3672 3673 /* Use 'guitablabel' or 'guitabtooltip' if it's set. */ 3674 opt = (tooltip ? &p_gtt : &p_gtl); 3675 if (**opt != NUL) 3676 { 3677 int use_sandbox = FALSE; 3678 int save_called_emsg = called_emsg; 3679 char_u res[MAXPATHL]; 3680 tabpage_T *save_curtab; 3681 char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip" 3682 : "guitablabel"); 3683 3684 called_emsg = FALSE; 3685 3686 printer_page_num = tabpage_index(tp); 3687 # ifdef FEAT_EVAL 3688 set_vim_var_nr(VV_LNUM, printer_page_num); 3689 use_sandbox = was_set_insecurely(opt_name, 0); 3690 # endif 3691 /* It's almost as going to the tabpage, but without autocommands. */ 3692 curtab->tp_firstwin = firstwin; 3693 curtab->tp_lastwin = lastwin; 3694 curtab->tp_curwin = curwin; 3695 save_curtab = curtab; 3696 curtab = tp; 3697 topframe = curtab->tp_topframe; 3698 firstwin = curtab->tp_firstwin; 3699 lastwin = curtab->tp_lastwin; 3700 curwin = curtab->tp_curwin; 3701 curbuf = curwin->w_buffer; 3702 3703 /* Can't use NameBuff directly, build_stl_str_hl() uses it. */ 3704 build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox, 3705 0, (int)Columns, NULL, NULL); 3706 STRCPY(NameBuff, res); 3707 3708 /* Back to the original curtab. */ 3709 curtab = save_curtab; 3710 topframe = curtab->tp_topframe; 3711 firstwin = curtab->tp_firstwin; 3712 lastwin = curtab->tp_lastwin; 3713 curwin = curtab->tp_curwin; 3714 curbuf = curwin->w_buffer; 3715 3716 if (called_emsg) 3717 set_string_option_direct(opt_name, -1, 3718 (char_u *)"", OPT_FREE, SID_ERROR); 3719 called_emsg |= save_called_emsg; 3720 } 3721 3722 /* If 'guitablabel'/'guitabtooltip' is not set or the result is empty then 3723 * use a default label. */ 3724 if (**opt == NUL || *NameBuff == NUL) 3725 { 3726 /* Get the buffer name into NameBuff[] and shorten it. */ 3727 get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer); 3728 if (!tooltip) 3729 shorten_dir(NameBuff); 3730 3731 wp = (tp == curtab) ? firstwin : tp->tp_firstwin; 3732 for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount) 3733 if (bufIsChanged(wp->w_buffer)) 3734 modified = TRUE; 3735 if (modified || wincount > 1) 3736 { 3737 if (wincount > 1) 3738 vim_snprintf((char *)buf, sizeof(buf), "%d", wincount); 3739 else 3740 buf[0] = NUL; 3741 if (modified) 3742 STRCAT(buf, "+"); 3743 STRCAT(buf, " "); 3744 STRMOVE(NameBuff + STRLEN(buf), NameBuff); 3745 mch_memmove(NameBuff, buf, STRLEN(buf)); 3746 } 3747 } 3748 } 3749 3750 /* 3751 * Send the event for clicking to select tab page "nr". 3752 * Returns TRUE if it was done, FALSE when skipped because we are already at 3753 * that tab page or the cmdline window is open. 3754 */ 3755 int 3756 send_tabline_event(int nr) 3757 { 3758 char_u string[3]; 3759 3760 if (nr == tabpage_index(curtab)) 3761 return FALSE; 3762 3763 /* Don't put events in the input queue now. */ 3764 if (hold_gui_events 3765 # ifdef FEAT_CMDWIN 3766 || cmdwin_type != 0 3767 # endif 3768 ) 3769 { 3770 /* Set it back to the current tab page. */ 3771 gui_mch_set_curtab(tabpage_index(curtab)); 3772 return FALSE; 3773 } 3774 3775 string[0] = CSI; 3776 string[1] = KS_TABLINE; 3777 string[2] = KE_FILLER; 3778 add_to_input_buf(string, 3); 3779 string[0] = nr; 3780 add_to_input_buf_csi(string, 1); 3781 return TRUE; 3782 } 3783 3784 /* 3785 * Send a tabline menu event 3786 */ 3787 void 3788 send_tabline_menu_event(int tabidx, int event) 3789 { 3790 char_u string[3]; 3791 3792 /* Don't put events in the input queue now. */ 3793 if (hold_gui_events) 3794 return; 3795 3796 string[0] = CSI; 3797 string[1] = KS_TABMENU; 3798 string[2] = KE_FILLER; 3799 add_to_input_buf(string, 3); 3800 string[0] = tabidx; 3801 string[1] = (char_u)(long)event; 3802 add_to_input_buf_csi(string, 2); 3803 } 3804 3805 #endif 3806 3807 /* 3808 * Scrollbar stuff: 3809 */ 3810 3811 #if defined(FEAT_WINDOWS) || defined(PROTO) 3812 /* 3813 * Remove all scrollbars. Used before switching to another tab page. 3814 */ 3815 void 3816 gui_remove_scrollbars(void) 3817 { 3818 int i; 3819 win_T *wp; 3820 3821 for (i = 0; i < 3; i++) 3822 { 3823 if (i == SBAR_BOTTOM) 3824 gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE); 3825 else 3826 { 3827 FOR_ALL_WINDOWS(wp) 3828 { 3829 gui_do_scrollbar(wp, i, FALSE); 3830 } 3831 } 3832 curtab->tp_prev_which_scrollbars[i] = -1; 3833 } 3834 } 3835 #endif 3836 3837 void 3838 gui_create_scrollbar(scrollbar_T *sb, int type, win_T *wp) 3839 { 3840 static int sbar_ident = 0; 3841 3842 sb->ident = sbar_ident++; /* No check for too big, but would it happen? */ 3843 sb->wp = wp; 3844 sb->type = type; 3845 sb->value = 0; 3846 #ifdef FEAT_GUI_ATHENA 3847 sb->pixval = 0; 3848 #endif 3849 sb->size = 1; 3850 sb->max = 1; 3851 sb->top = 0; 3852 sb->height = 0; 3853 #ifdef FEAT_WINDOWS 3854 sb->width = 0; 3855 #endif 3856 sb->status_height = 0; 3857 gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT); 3858 } 3859 3860 /* 3861 * Find the scrollbar with the given index. 3862 */ 3863 scrollbar_T * 3864 gui_find_scrollbar(long ident) 3865 { 3866 win_T *wp; 3867 3868 if (gui.bottom_sbar.ident == ident) 3869 return &gui.bottom_sbar; 3870 FOR_ALL_WINDOWS(wp) 3871 { 3872 if (wp->w_scrollbars[SBAR_LEFT].ident == ident) 3873 return &wp->w_scrollbars[SBAR_LEFT]; 3874 if (wp->w_scrollbars[SBAR_RIGHT].ident == ident) 3875 return &wp->w_scrollbars[SBAR_RIGHT]; 3876 } 3877 return NULL; 3878 } 3879 3880 /* 3881 * For most systems: Put a code in the input buffer for a dragged scrollbar. 3882 * 3883 * For Win32, Macintosh and GTK+ 2: 3884 * Scrollbars seem to grab focus and vim doesn't read the input queue until 3885 * you stop dragging the scrollbar. We get here each time the scrollbar is 3886 * dragged another pixel, but as far as the rest of vim goes, it thinks 3887 * we're just hanging in the call to DispatchMessage() in 3888 * process_message(). The DispatchMessage() call that hangs was passed a 3889 * mouse button click event in the scrollbar window. -- webb. 3890 * 3891 * Solution: Do the scrolling right here. But only when allowed. 3892 * Ignore the scrollbars while executing an external command or when there 3893 * are still characters to be processed. 3894 */ 3895 void 3896 gui_drag_scrollbar(scrollbar_T *sb, long value, int still_dragging) 3897 { 3898 #ifdef FEAT_WINDOWS 3899 win_T *wp; 3900 #endif 3901 int sb_num; 3902 #ifdef USE_ON_FLY_SCROLL 3903 colnr_T old_leftcol = curwin->w_leftcol; 3904 # ifdef FEAT_SCROLLBIND 3905 linenr_T old_topline = curwin->w_topline; 3906 # endif 3907 # ifdef FEAT_DIFF 3908 int old_topfill = curwin->w_topfill; 3909 # endif 3910 #else 3911 char_u bytes[sizeof(long_u)]; 3912 int byte_count; 3913 #endif 3914 3915 if (sb == NULL) 3916 return; 3917 3918 /* Don't put events in the input queue now. */ 3919 if (hold_gui_events) 3920 return; 3921 3922 #ifdef FEAT_CMDWIN 3923 if (cmdwin_type != 0 && sb->wp != curwin) 3924 return; 3925 #endif 3926 3927 if (still_dragging) 3928 { 3929 if (sb->wp == NULL) 3930 gui.dragged_sb = SBAR_BOTTOM; 3931 else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT]) 3932 gui.dragged_sb = SBAR_LEFT; 3933 else 3934 gui.dragged_sb = SBAR_RIGHT; 3935 gui.dragged_wp = sb->wp; 3936 } 3937 else 3938 { 3939 gui.dragged_sb = SBAR_NONE; 3940 #ifdef FEAT_GUI_GTK 3941 /* Keep the "dragged_wp" value until after the scrolling, for when the 3942 * mouse button is released. GTK2 doesn't send the button-up event. */ 3943 gui.dragged_wp = NULL; 3944 #endif 3945 } 3946 3947 /* Vertical sbar info is kept in the first sbar (the left one) */ 3948 if (sb->wp != NULL) 3949 sb = &sb->wp->w_scrollbars[0]; 3950 3951 /* 3952 * Check validity of value 3953 */ 3954 if (value < 0) 3955 value = 0; 3956 #ifdef SCROLL_PAST_END 3957 else if (value > sb->max) 3958 value = sb->max; 3959 #else 3960 if (value > sb->max - sb->size + 1) 3961 value = sb->max - sb->size + 1; 3962 #endif 3963 3964 sb->value = value; 3965 3966 #ifdef USE_ON_FLY_SCROLL 3967 /* When not allowed to do the scrolling right now, return. 3968 * This also checked input_available(), but that causes the first click in 3969 * a scrollbar to be ignored when Vim doesn't have focus. */ 3970 if (dont_scroll) 3971 return; 3972 #endif 3973 #ifdef FEAT_INS_EXPAND 3974 /* Disallow scrolling the current window when the completion popup menu is 3975 * visible. */ 3976 if ((sb->wp == NULL || sb->wp == curwin) && pum_visible()) 3977 return; 3978 #endif 3979 3980 #ifdef FEAT_RIGHTLEFT 3981 if (sb->wp == NULL && curwin->w_p_rl) 3982 { 3983 value = sb->max + 1 - sb->size - value; 3984 if (value < 0) 3985 value = 0; 3986 } 3987 #endif 3988 3989 if (sb->wp != NULL) /* vertical scrollbar */ 3990 { 3991 sb_num = 0; 3992 #ifdef FEAT_WINDOWS 3993 for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next) 3994 sb_num++; 3995 if (wp == NULL) 3996 return; 3997 #else 3998 if (sb->wp != curwin) 3999 return; 4000 #endif 4001 4002 #ifdef USE_ON_FLY_SCROLL 4003 current_scrollbar = sb_num; 4004 scrollbar_value = value; 4005 if (State & NORMAL) 4006 { 4007 gui_do_scroll(); 4008 setcursor(); 4009 } 4010 else if (State & INSERT) 4011 { 4012 ins_scroll(); 4013 setcursor(); 4014 } 4015 else if (State & CMDLINE) 4016 { 4017 if (msg_scrolled == 0) 4018 { 4019 gui_do_scroll(); 4020 redrawcmdline(); 4021 } 4022 } 4023 # ifdef FEAT_FOLDING 4024 /* Value may have been changed for closed fold. */ 4025 sb->value = sb->wp->w_topline - 1; 4026 # endif 4027 4028 /* When dragging one scrollbar and there is another one at the other 4029 * side move the thumb of that one too. */ 4030 if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT]) 4031 gui_mch_set_scrollbar_thumb( 4032 &sb->wp->w_scrollbars[ 4033 sb == &sb->wp->w_scrollbars[SBAR_RIGHT] 4034 ? SBAR_LEFT : SBAR_RIGHT], 4035 sb->value, sb->size, sb->max); 4036 4037 #else 4038 bytes[0] = CSI; 4039 bytes[1] = KS_VER_SCROLLBAR; 4040 bytes[2] = KE_FILLER; 4041 bytes[3] = (char_u)sb_num; 4042 byte_count = 4; 4043 #endif 4044 } 4045 else 4046 { 4047 #ifdef USE_ON_FLY_SCROLL 4048 scrollbar_value = value; 4049 4050 if (State & NORMAL) 4051 gui_do_horiz_scroll(scrollbar_value, FALSE); 4052 else if (State & INSERT) 4053 ins_horscroll(); 4054 else if (State & CMDLINE) 4055 { 4056 if (msg_scrolled == 0) 4057 { 4058 gui_do_horiz_scroll(scrollbar_value, FALSE); 4059 redrawcmdline(); 4060 } 4061 } 4062 if (old_leftcol != curwin->w_leftcol) 4063 { 4064 updateWindow(curwin); /* update window, status and cmdline */ 4065 setcursor(); 4066 } 4067 #else 4068 bytes[0] = CSI; 4069 bytes[1] = KS_HOR_SCROLLBAR; 4070 bytes[2] = KE_FILLER; 4071 byte_count = 3; 4072 #endif 4073 } 4074 4075 #ifdef USE_ON_FLY_SCROLL 4076 # ifdef FEAT_SCROLLBIND 4077 /* 4078 * synchronize other windows, as necessary according to 'scrollbind' 4079 */ 4080 if (curwin->w_p_scb 4081 && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol) 4082 || (sb->wp == curwin && (curwin->w_topline != old_topline 4083 # ifdef FEAT_DIFF 4084 || curwin->w_topfill != old_topfill 4085 # endif 4086 )))) 4087 { 4088 do_check_scrollbind(TRUE); 4089 /* need to update the window right here */ 4090 FOR_ALL_WINDOWS(wp) 4091 if (wp->w_redr_type > 0) 4092 updateWindow(wp); 4093 setcursor(); 4094 } 4095 # endif 4096 out_flush(); 4097 gui_update_cursor(FALSE, TRUE); 4098 #else 4099 add_to_input_buf(bytes, byte_count); 4100 add_long_to_buf((long_u)value, bytes); 4101 add_to_input_buf_csi(bytes, sizeof(long_u)); 4102 #endif 4103 } 4104 4105 /* 4106 * Scrollbar stuff: 4107 */ 4108 4109 #if defined(FEAT_AUTOCMD) || defined(FEAT_WINDOWS) || defined(PROTO) 4110 /* 4111 * Called when something in the window layout has changed. 4112 */ 4113 void 4114 gui_may_update_scrollbars(void) 4115 { 4116 if (gui.in_use && starting == 0) 4117 { 4118 out_flush(); 4119 gui_init_which_components(NULL); 4120 gui_update_scrollbars(TRUE); 4121 } 4122 need_mouse_correct = TRUE; 4123 } 4124 #endif 4125 4126 void 4127 gui_update_scrollbars( 4128 int force) /* Force all scrollbars to get updated */ 4129 { 4130 win_T *wp; 4131 scrollbar_T *sb; 4132 long val, size, max; /* need 32 bits here */ 4133 int which_sb; 4134 int h, y; 4135 #ifdef FEAT_WINDOWS 4136 static win_T *prev_curwin = NULL; 4137 #endif 4138 4139 /* Update the horizontal scrollbar */ 4140 gui_update_horiz_scrollbar(force); 4141 4142 #ifndef WIN3264 4143 /* Return straight away if there is neither a left nor right scrollbar. 4144 * On MS-Windows this is required anyway for scrollwheel messages. */ 4145 if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT]) 4146 return; 4147 #endif 4148 4149 /* 4150 * Don't want to update a scrollbar while we're dragging it. But if we 4151 * have both a left and right scrollbar, and we drag one of them, we still 4152 * need to update the other one. 4153 */ 4154 if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT) 4155 && gui.which_scrollbars[SBAR_LEFT] 4156 && gui.which_scrollbars[SBAR_RIGHT]) 4157 { 4158 /* 4159 * If we have two scrollbars and one of them is being dragged, just 4160 * copy the scrollbar position from the dragged one to the other one. 4161 */ 4162 which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb; 4163 if (gui.dragged_wp != NULL) 4164 gui_mch_set_scrollbar_thumb( 4165 &gui.dragged_wp->w_scrollbars[which_sb], 4166 gui.dragged_wp->w_scrollbars[0].value, 4167 gui.dragged_wp->w_scrollbars[0].size, 4168 gui.dragged_wp->w_scrollbars[0].max); 4169 } 4170 4171 /* avoid that moving components around generates events */ 4172 ++hold_gui_events; 4173 4174 for (wp = firstwin; wp != NULL; wp = W_NEXT(wp)) 4175 { 4176 if (wp->w_buffer == NULL) /* just in case */ 4177 continue; 4178 /* Skip a scrollbar that is being dragged. */ 4179 if (!force && (gui.dragged_sb == SBAR_LEFT 4180 || gui.dragged_sb == SBAR_RIGHT) 4181 && gui.dragged_wp == wp) 4182 continue; 4183 4184 #ifdef SCROLL_PAST_END 4185 max = wp->w_buffer->b_ml.ml_line_count - 1; 4186 #else 4187 max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2; 4188 #endif 4189 if (max < 0) /* empty buffer */ 4190 max = 0; 4191 val = wp->w_topline - 1; 4192 size = wp->w_height; 4193 #ifdef SCROLL_PAST_END 4194 if (val > max) /* just in case */ 4195 val = max; 4196 #else 4197 if (size > max + 1) /* just in case */ 4198 size = max + 1; 4199 if (val > max - size + 1) 4200 val = max - size + 1; 4201 #endif 4202 if (val < 0) /* minimal value is 0 */ 4203 val = 0; 4204 4205 /* 4206 * Scrollbar at index 0 (the left one) contains all the information. 4207 * It would be the same info for left and right so we just store it for 4208 * one of them. 4209 */ 4210 sb = &wp->w_scrollbars[0]; 4211 4212 /* 4213 * Note: no check for valid w_botline. If it's not valid the 4214 * scrollbars will be updated later anyway. 4215 */ 4216 if (size < 1 || wp->w_botline - 2 > max) 4217 { 4218 /* 4219 * This can happen during changing files. Just don't update the 4220 * scrollbar for now. 4221 */ 4222 sb->height = 0; /* Force update next time */ 4223 if (gui.which_scrollbars[SBAR_LEFT]) 4224 gui_do_scrollbar(wp, SBAR_LEFT, FALSE); 4225 if (gui.which_scrollbars[SBAR_RIGHT]) 4226 gui_do_scrollbar(wp, SBAR_RIGHT, FALSE); 4227 continue; 4228 } 4229 if (force || sb->height != wp->w_height 4230 #ifdef FEAT_WINDOWS 4231 || sb->top != wp->w_winrow 4232 || sb->status_height != wp->w_status_height 4233 || sb->width != wp->w_width 4234 || prev_curwin != curwin 4235 #endif 4236 ) 4237 { 4238 /* Height, width or position of scrollbar has changed. For 4239 * vertical split: curwin changed. */ 4240 sb->height = wp->w_height; 4241 #ifdef FEAT_WINDOWS 4242 sb->top = wp->w_winrow; 4243 sb->status_height = wp->w_status_height; 4244 sb->width = wp->w_width; 4245 #endif 4246 4247 /* Calculate height and position in pixels */ 4248 h = (sb->height + sb->status_height) * gui.char_height; 4249 y = sb->top * gui.char_height + gui.border_offset; 4250 #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON) 4251 if (gui.menu_is_active) 4252 y += gui.menu_height; 4253 #endif 4254 4255 #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA)) 4256 if (vim_strchr(p_go, GO_TOOLBAR) != NULL) 4257 # ifdef FEAT_GUI_ATHENA 4258 y += gui.toolbar_height; 4259 # else 4260 # ifdef FEAT_GUI_MSWIN 4261 y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; 4262 # endif 4263 # endif 4264 #endif 4265 4266 #if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN) 4267 if (gui_has_tabline()) 4268 y += gui.tabline_height; 4269 #endif 4270 4271 #ifdef FEAT_WINDOWS 4272 if (wp->w_winrow == 0) 4273 #endif 4274 { 4275 /* Height of top scrollbar includes width of top border */ 4276 h += gui.border_offset; 4277 y -= gui.border_offset; 4278 } 4279 if (gui.which_scrollbars[SBAR_LEFT]) 4280 { 4281 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT], 4282 gui.left_sbar_x, y, 4283 gui.scrollbar_width, h); 4284 gui_do_scrollbar(wp, SBAR_LEFT, TRUE); 4285 } 4286 if (gui.which_scrollbars[SBAR_RIGHT]) 4287 { 4288 gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT], 4289 gui.right_sbar_x, y, 4290 gui.scrollbar_width, h); 4291 gui_do_scrollbar(wp, SBAR_RIGHT, TRUE); 4292 } 4293 } 4294 4295 /* Reduce the number of calls to gui_mch_set_scrollbar_thumb() by 4296 * checking if the thumb moved at least a pixel. Only do this for 4297 * Athena, most other GUIs require the update anyway to make the 4298 * arrows work. */ 4299 #ifdef FEAT_GUI_ATHENA 4300 if (max == 0) 4301 y = 0; 4302 else 4303 y = (val * (sb->height + 2) * gui.char_height + max / 2) / max; 4304 if (force || sb->pixval != y || sb->size != size || sb->max != max) 4305 #else 4306 if (force || sb->value != val || sb->size != size || sb->max != max) 4307 #endif 4308 { 4309 /* Thumb of scrollbar has moved */ 4310 sb->value = val; 4311 #ifdef FEAT_GUI_ATHENA 4312 sb->pixval = y; 4313 #endif 4314 sb->size = size; 4315 sb->max = max; 4316 if (gui.which_scrollbars[SBAR_LEFT] 4317 && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp)) 4318 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT], 4319 val, size, max); 4320 if (gui.which_scrollbars[SBAR_RIGHT] 4321 && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp)) 4322 gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT], 4323 val, size, max); 4324 } 4325 } 4326 #ifdef FEAT_WINDOWS 4327 prev_curwin = curwin; 4328 #endif 4329 --hold_gui_events; 4330 } 4331 4332 /* 4333 * Enable or disable a scrollbar. 4334 * Check for scrollbars for vertically split windows which are not enabled 4335 * sometimes. 4336 */ 4337 static void 4338 gui_do_scrollbar( 4339 win_T *wp, 4340 int which, /* SBAR_LEFT or SBAR_RIGHT */ 4341 int enable) /* TRUE to enable scrollbar */ 4342 { 4343 #ifdef FEAT_WINDOWS 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 #endif 4375 gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable); 4376 } 4377 4378 /* 4379 * Scroll a window according to the values set in the globals current_scrollbar 4380 * and scrollbar_value. Return TRUE if the cursor in the current window moved 4381 * or FALSE otherwise. 4382 */ 4383 int 4384 gui_do_scroll(void) 4385 { 4386 win_T *wp, *save_wp; 4387 int i; 4388 long nlines; 4389 pos_T old_cursor; 4390 linenr_T old_topline; 4391 #ifdef FEAT_DIFF 4392 int old_topfill; 4393 #endif 4394 4395 for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++) 4396 if (wp == NULL) 4397 break; 4398 if (wp == NULL) 4399 /* Couldn't find window */ 4400 return FALSE; 4401 4402 /* 4403 * Compute number of lines to scroll. If zero, nothing to do. 4404 */ 4405 nlines = (long)scrollbar_value + 1 - (long)wp->w_topline; 4406 if (nlines == 0) 4407 return FALSE; 4408 4409 save_wp = curwin; 4410 old_topline = wp->w_topline; 4411 #ifdef FEAT_DIFF 4412 old_topfill = wp->w_topfill; 4413 #endif 4414 old_cursor = wp->w_cursor; 4415 curwin = wp; 4416 curbuf = wp->w_buffer; 4417 if (nlines < 0) 4418 scrolldown(-nlines, gui.dragged_wp == NULL); 4419 else 4420 scrollup(nlines, gui.dragged_wp == NULL); 4421 /* Reset dragged_wp after using it. "dragged_sb" will have been reset for 4422 * the mouse-up event already, but we still want it to behave like when 4423 * dragging. But not the next click in an arrow. */ 4424 if (gui.dragged_sb == SBAR_NONE) 4425 gui.dragged_wp = NULL; 4426 4427 if (old_topline != wp->w_topline 4428 #ifdef FEAT_DIFF 4429 || old_topfill != wp->w_topfill 4430 #endif 4431 ) 4432 { 4433 if (p_so != 0) 4434 { 4435 cursor_correct(); /* fix window for 'so' */ 4436 update_topline(); /* avoid up/down jump */ 4437 } 4438 if (old_cursor.lnum != wp->w_cursor.lnum) 4439 coladvance(wp->w_curswant); 4440 #ifdef FEAT_SCROLLBIND 4441 wp->w_scbind_pos = wp->w_topline; 4442 #endif 4443 } 4444 4445 /* Make sure wp->w_leftcol and wp->w_skipcol are correct. */ 4446 validate_cursor(); 4447 4448 curwin = save_wp; 4449 curbuf = save_wp->w_buffer; 4450 4451 /* 4452 * Don't call updateWindow() when nothing has changed (it will overwrite 4453 * the status line!). 4454 */ 4455 if (old_topline != wp->w_topline 4456 || wp->w_redr_type != 0 4457 #ifdef FEAT_DIFF 4458 || old_topfill != wp->w_topfill 4459 #endif 4460 ) 4461 { 4462 int type = VALID; 4463 4464 #ifdef FEAT_INS_EXPAND 4465 if (pum_visible()) 4466 { 4467 type = NOT_VALID; 4468 wp->w_lines_valid = 0; 4469 } 4470 #endif 4471 /* Don't set must_redraw here, it may cause the popup menu to 4472 * disappear when losing focus after a scrollbar drag. */ 4473 if (wp->w_redr_type < type) 4474 wp->w_redr_type = type; 4475 updateWindow(wp); /* update window, status line, and cmdline */ 4476 } 4477 4478 #ifdef FEAT_INS_EXPAND 4479 /* May need to redraw the popup menu. */ 4480 if (pum_visible()) 4481 pum_redraw(); 4482 #endif 4483 4484 return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor)); 4485 } 4486 4487 4488 /* 4489 * Horizontal scrollbar stuff: 4490 */ 4491 4492 /* 4493 * Return length of line "lnum" for horizontal scrolling. 4494 */ 4495 static colnr_T 4496 scroll_line_len(linenr_T lnum) 4497 { 4498 char_u *p; 4499 colnr_T col; 4500 int w; 4501 4502 p = ml_get(lnum); 4503 col = 0; 4504 if (*p != NUL) 4505 for (;;) 4506 { 4507 w = chartabsize(p, col); 4508 MB_PTR_ADV(p); 4509 if (*p == NUL) /* don't count the last character */ 4510 break; 4511 col += w; 4512 } 4513 return col; 4514 } 4515 4516 /* Remember which line is currently the longest, so that we don't have to 4517 * search for it when scrolling horizontally. */ 4518 static linenr_T longest_lnum = 0; 4519 4520 /* 4521 * Find longest visible line number. If this is not possible (or not desired, 4522 * by setting 'h' in "guioptions") then the current line number is returned. 4523 */ 4524 static linenr_T 4525 gui_find_longest_lnum(void) 4526 { 4527 linenr_T ret = 0; 4528 4529 /* Calculate maximum for horizontal scrollbar. Check for reasonable 4530 * line numbers, topline and botline can be invalid when displaying is 4531 * postponed. */ 4532 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4533 && curwin->w_topline <= curwin->w_cursor.lnum 4534 && curwin->w_botline > curwin->w_cursor.lnum 4535 && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1) 4536 { 4537 linenr_T lnum; 4538 colnr_T n; 4539 long max = 0; 4540 4541 /* Use maximum of all visible lines. Remember the lnum of the 4542 * longest line, closest to the cursor line. Used when scrolling 4543 * below. */ 4544 for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum) 4545 { 4546 n = scroll_line_len(lnum); 4547 if (n > (colnr_T)max) 4548 { 4549 max = n; 4550 ret = lnum; 4551 } 4552 else if (n == (colnr_T)max 4553 && abs((int)(lnum - curwin->w_cursor.lnum)) 4554 < abs((int)(ret - curwin->w_cursor.lnum))) 4555 ret = lnum; 4556 } 4557 } 4558 else 4559 /* Use cursor line only. */ 4560 ret = curwin->w_cursor.lnum; 4561 4562 return ret; 4563 } 4564 4565 static void 4566 gui_update_horiz_scrollbar(int force) 4567 { 4568 long value, size, max; /* need 32 bit ints here */ 4569 4570 if (!gui.which_scrollbars[SBAR_BOTTOM]) 4571 return; 4572 4573 if (!force && gui.dragged_sb == SBAR_BOTTOM) 4574 return; 4575 4576 if (!force && curwin->w_p_wrap && gui.prev_wrap) 4577 return; 4578 4579 /* 4580 * It is possible for the cursor to be invalid if we're in the middle of 4581 * something (like changing files). If so, don't do anything for now. 4582 */ 4583 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 4584 { 4585 gui.bottom_sbar.value = -1; 4586 return; 4587 } 4588 4589 size = W_WIDTH(curwin); 4590 if (curwin->w_p_wrap) 4591 { 4592 value = 0; 4593 #ifdef SCROLL_PAST_END 4594 max = 0; 4595 #else 4596 max = W_WIDTH(curwin) - 1; 4597 #endif 4598 } 4599 else 4600 { 4601 value = curwin->w_leftcol; 4602 4603 longest_lnum = gui_find_longest_lnum(); 4604 max = scroll_line_len(longest_lnum); 4605 4606 #ifdef FEAT_VIRTUALEDIT 4607 if (virtual_active()) 4608 { 4609 /* May move the cursor even further to the right. */ 4610 if (curwin->w_virtcol >= (colnr_T)max) 4611 max = curwin->w_virtcol; 4612 } 4613 #endif 4614 4615 #ifndef SCROLL_PAST_END 4616 max += W_WIDTH(curwin) - 1; 4617 #endif 4618 /* The line number isn't scrolled, thus there is less space when 4619 * 'number' or 'relativenumber' is set (also for 'foldcolumn'). */ 4620 size -= curwin_col_off(); 4621 #ifndef SCROLL_PAST_END 4622 max -= curwin_col_off(); 4623 #endif 4624 } 4625 4626 #ifndef SCROLL_PAST_END 4627 if (value > max - size + 1) 4628 value = max - size + 1; /* limit the value to allowable range */ 4629 #endif 4630 4631 #ifdef FEAT_RIGHTLEFT 4632 if (curwin->w_p_rl) 4633 { 4634 value = max + 1 - size - value; 4635 if (value < 0) 4636 { 4637 size += value; 4638 value = 0; 4639 } 4640 } 4641 #endif 4642 if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size 4643 && max == gui.bottom_sbar.max) 4644 return; 4645 4646 gui.bottom_sbar.value = value; 4647 gui.bottom_sbar.size = size; 4648 gui.bottom_sbar.max = max; 4649 gui.prev_wrap = curwin->w_p_wrap; 4650 4651 gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max); 4652 } 4653 4654 /* 4655 * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise. 4656 */ 4657 int 4658 gui_do_horiz_scroll(long_u leftcol, int compute_longest_lnum) 4659 { 4660 /* no wrapping, no scrolling */ 4661 if (curwin->w_p_wrap) 4662 return FALSE; 4663 4664 if (curwin->w_leftcol == (colnr_T)leftcol) 4665 return FALSE; 4666 4667 curwin->w_leftcol = (colnr_T)leftcol; 4668 4669 /* When the line of the cursor is too short, move the cursor to the 4670 * longest visible line. */ 4671 if (vim_strchr(p_go, GO_HORSCROLL) == NULL 4672 && !virtual_active() 4673 && (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum)) 4674 { 4675 if (compute_longest_lnum) 4676 { 4677 curwin->w_cursor.lnum = gui_find_longest_lnum(); 4678 curwin->w_cursor.col = 0; 4679 } 4680 /* Do a sanity check on "longest_lnum", just in case. */ 4681 else if (longest_lnum >= curwin->w_topline 4682 && longest_lnum < curwin->w_botline) 4683 { 4684 curwin->w_cursor.lnum = longest_lnum; 4685 curwin->w_cursor.col = 0; 4686 } 4687 } 4688 4689 return leftcol_changed(); 4690 } 4691 4692 /* 4693 * Check that none of the colors are the same as the background color 4694 */ 4695 void 4696 gui_check_colors(void) 4697 { 4698 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4699 { 4700 gui_set_bg_color((char_u *)"White"); 4701 if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) 4702 gui_set_fg_color((char_u *)"Black"); 4703 } 4704 } 4705 4706 static void 4707 gui_set_fg_color(char_u *name) 4708 { 4709 gui.norm_pixel = gui_get_color(name); 4710 hl_set_fg_color_name(vim_strsave(name)); 4711 } 4712 4713 static void 4714 gui_set_bg_color(char_u *name) 4715 { 4716 gui.back_pixel = gui_get_color(name); 4717 hl_set_bg_color_name(vim_strsave(name)); 4718 } 4719 4720 /* 4721 * Allocate a color by name. 4722 * Returns INVALCOLOR and gives an error message when failed. 4723 */ 4724 guicolor_T 4725 gui_get_color(char_u *name) 4726 { 4727 guicolor_T t; 4728 4729 if (*name == NUL) 4730 return INVALCOLOR; 4731 t = gui_mch_get_color(name); 4732 4733 if (t == INVALCOLOR 4734 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) 4735 && gui.in_use 4736 #endif 4737 ) 4738 EMSG2(_("E254: Cannot allocate color %s"), name); 4739 return t; 4740 } 4741 4742 /* 4743 * Return the grey value of a color (range 0-255). 4744 */ 4745 int 4746 gui_get_lightness(guicolor_T pixel) 4747 { 4748 long_u rgb = (long_u)gui_mch_get_rgb(pixel); 4749 4750 return (int)( (((rgb >> 16) & 0xff) * 299) 4751 + (((rgb >> 8) & 0xff) * 587) 4752 + ((rgb & 0xff) * 114)) / 1000; 4753 } 4754 4755 #if defined(FEAT_GUI_X11) || defined(PROTO) 4756 void 4757 gui_new_scrollbar_colors(void) 4758 { 4759 win_T *wp; 4760 4761 /* Nothing to do if GUI hasn't started yet. */ 4762 if (!gui.in_use) 4763 return; 4764 4765 FOR_ALL_WINDOWS(wp) 4766 { 4767 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT])); 4768 gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT])); 4769 } 4770 gui_mch_set_scrollbar_colors(&gui.bottom_sbar); 4771 } 4772 #endif 4773 4774 /* 4775 * Call this when focus has changed. 4776 */ 4777 void 4778 gui_focus_change(int in_focus) 4779 { 4780 /* 4781 * Skip this code to avoid drawing the cursor when debugging and switching 4782 * between the debugger window and gvim. 4783 */ 4784 #if 1 4785 gui.in_focus = in_focus; 4786 out_flush(); /* make sure output has been written */ 4787 gui_update_cursor(TRUE, FALSE); 4788 4789 # ifdef FEAT_XIM 4790 xim_set_focus(in_focus); 4791 # endif 4792 4793 /* Put events in the input queue only when allowed. 4794 * ui_focus_change() isn't called directly, because it invokes 4795 * autocommands and that must not happen asynchronously. */ 4796 if (!hold_gui_events) 4797 { 4798 char_u bytes[3]; 4799 4800 bytes[0] = CSI; 4801 bytes[1] = KS_EXTRA; 4802 bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST; 4803 add_to_input_buf(bytes, 3); 4804 } 4805 #endif 4806 } 4807 4808 /* 4809 * Called when the mouse moved (but not when dragging). 4810 */ 4811 void 4812 gui_mouse_moved(int x, int y) 4813 { 4814 win_T *wp; 4815 char_u st[8]; 4816 4817 /* Ignore this while still starting up. */ 4818 if (!gui.in_use || gui.starting) 4819 return; 4820 4821 #ifdef FEAT_MOUSESHAPE 4822 /* Get window pointer, and update mouse shape as well. */ 4823 wp = xy2win(x, y); 4824 #endif 4825 4826 /* Only handle this when 'mousefocus' set and ... */ 4827 if (p_mousef 4828 && !hold_gui_events /* not holding events */ 4829 && (State & (NORMAL|INSERT))/* Normal/Visual/Insert mode */ 4830 && State != HITRETURN /* but not hit-return prompt */ 4831 && msg_scrolled == 0 /* no scrolled message */ 4832 && !need_mouse_correct /* not moving the pointer */ 4833 && gui.in_focus) /* gvim in focus */ 4834 { 4835 /* Don't move the mouse when it's left or right of the Vim window */ 4836 if (x < 0 || x > Columns * gui.char_width) 4837 return; 4838 #ifndef FEAT_MOUSESHAPE 4839 wp = xy2win(x, y); 4840 #endif 4841 if (wp == curwin || wp == NULL) 4842 return; /* still in the same old window, or none at all */ 4843 4844 #ifdef FEAT_WINDOWS 4845 /* Ignore position in the tab pages line. */ 4846 if (Y_2_ROW(y) < tabline_height()) 4847 return; 4848 #endif 4849 4850 /* 4851 * format a mouse click on status line input 4852 * ala gui_send_mouse_event(0, x, y, 0, 0); 4853 * Trick: Use a column number -1, so that get_pseudo_mouse_code() will 4854 * generate a K_LEFTMOUSE_NM key code. 4855 */ 4856 if (finish_op) 4857 { 4858 /* abort the current operator first */ 4859 st[0] = ESC; 4860 add_to_input_buf(st, 1); 4861 } 4862 st[0] = CSI; 4863 st[1] = KS_MOUSE; 4864 st[2] = KE_FILLER; 4865 st[3] = (char_u)MOUSE_LEFT; 4866 fill_mouse_coord(st + 4, 4867 #ifdef FEAT_WINDOWS 4868 wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF, 4869 #else 4870 -1, 4871 #endif 4872 wp->w_height + W_WINROW(wp)); 4873 4874 add_to_input_buf(st, 8); 4875 st[3] = (char_u)MOUSE_RELEASE; 4876 add_to_input_buf(st, 8); 4877 #ifdef FEAT_GUI_GTK 4878 /* Need to wake up the main loop */ 4879 if (gtk_main_level() > 0) 4880 gtk_main_quit(); 4881 #endif 4882 } 4883 } 4884 4885 /* 4886 * Called when mouse should be moved to window with focus. 4887 */ 4888 void 4889 gui_mouse_correct(void) 4890 { 4891 int x, y; 4892 win_T *wp = NULL; 4893 4894 need_mouse_correct = FALSE; 4895 4896 if (!(gui.in_use && p_mousef)) 4897 return; 4898 4899 gui_mch_getmouse(&x, &y); 4900 /* Don't move the mouse when it's left or right of the Vim window */ 4901 if (x < 0 || x > Columns * gui.char_width) 4902 return; 4903 if (y >= 0 4904 # ifdef FEAT_WINDOWS 4905 && Y_2_ROW(y) >= tabline_height() 4906 # endif 4907 ) 4908 wp = xy2win(x, y); 4909 if (wp != curwin && wp != NULL) /* If in other than current window */ 4910 { 4911 validate_cline_row(); 4912 gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3, 4913 (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height 4914 + (gui.char_height) / 2); 4915 } 4916 } 4917 4918 /* 4919 * Find window where the mouse pointer "y" coordinate is in. 4920 */ 4921 static win_T * 4922 xy2win(int x UNUSED, int y UNUSED) 4923 { 4924 #ifdef FEAT_WINDOWS 4925 int row; 4926 int col; 4927 win_T *wp; 4928 4929 row = Y_2_ROW(y); 4930 col = X_2_COL(x); 4931 if (row < 0 || col < 0) /* before first window */ 4932 return NULL; 4933 wp = mouse_find_win(&row, &col); 4934 # ifdef FEAT_MOUSESHAPE 4935 if (State == HITRETURN || State == ASKMORE) 4936 { 4937 if (Y_2_ROW(y) >= msg_row) 4938 update_mouseshape(SHAPE_IDX_MOREL); 4939 else 4940 update_mouseshape(SHAPE_IDX_MORE); 4941 } 4942 else if (row > wp->w_height) /* below status line */ 4943 update_mouseshape(SHAPE_IDX_CLINE); 4944 else if (!(State & CMDLINE) && W_VSEP_WIDTH(wp) > 0 && col == wp->w_width 4945 && (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0) 4946 update_mouseshape(SHAPE_IDX_VSEP); 4947 else if (!(State & CMDLINE) && W_STATUS_HEIGHT(wp) > 0 4948 && row == wp->w_height && msg_scrolled == 0) 4949 update_mouseshape(SHAPE_IDX_STATUS); 4950 else 4951 update_mouseshape(-2); 4952 # endif 4953 return wp; 4954 #else 4955 return firstwin; 4956 #endif 4957 } 4958 4959 /* 4960 * ":gui" and ":gvim": Change from the terminal version to the GUI version. 4961 * File names may be given to redefine the args list. 4962 */ 4963 void 4964 ex_gui(exarg_T *eap) 4965 { 4966 char_u *arg = eap->arg; 4967 4968 /* 4969 * Check for "-f" argument: foreground, don't fork. 4970 * Also don't fork when started with "gvim -f". 4971 * Do fork when using "gui -b". 4972 */ 4973 if (arg[0] == '-' 4974 && (arg[1] == 'f' || arg[1] == 'b') 4975 && (arg[2] == NUL || VIM_ISWHITE(arg[2]))) 4976 { 4977 gui.dofork = (arg[1] == 'b'); 4978 eap->arg = skipwhite(eap->arg + 2); 4979 } 4980 if (!gui.in_use) 4981 { 4982 /* Clear the command. Needed for when forking+exiting, to avoid part 4983 * of the argument ending up after the shell prompt. */ 4984 msg_clr_eos_force(); 4985 gui_start(); 4986 #ifdef FEAT_JOB_CHANNEL 4987 channel_gui_register_all(); 4988 #endif 4989 } 4990 if (!ends_excmd(*eap->arg)) 4991 ex_next(eap); 4992 } 4993 4994 #if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32) \ 4995 || defined(FEAT_GUI_PHOTON)) && defined(FEAT_TOOLBAR)) || defined(PROTO) 4996 /* 4997 * This is shared between Athena, Motif and GTK. 4998 */ 4999 static void gfp_setname(char_u *fname, void *cookie); 5000 5001 /* 5002 * Callback function for do_in_runtimepath(). 5003 */ 5004 static void 5005 gfp_setname(char_u *fname, void *cookie) 5006 { 5007 char_u *gfp_buffer = cookie; 5008 5009 if (STRLEN(fname) >= MAXPATHL) 5010 *gfp_buffer = NUL; 5011 else 5012 STRCPY(gfp_buffer, fname); 5013 } 5014 5015 /* 5016 * Find the path of bitmap "name" with extension "ext" in 'runtimepath'. 5017 * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result. 5018 */ 5019 int 5020 gui_find_bitmap(char_u *name, char_u *buffer, char *ext) 5021 { 5022 if (STRLEN(name) > MAXPATHL - 14) 5023 return FAIL; 5024 vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext); 5025 if (do_in_runtimepath(buffer, 0, gfp_setname, buffer) == FAIL 5026 || *buffer == NUL) 5027 return FAIL; 5028 return OK; 5029 } 5030 5031 # if !defined(FEAT_GUI_GTK) || defined(PROTO) 5032 /* 5033 * Given the name of the "icon=" argument, try finding the bitmap file for the 5034 * icon. If it is an absolute path name, use it as it is. Otherwise append 5035 * "ext" and search for it in 'runtimepath'. 5036 * The result is put in "buffer[MAXPATHL]". If something fails "buffer" 5037 * contains "name". 5038 */ 5039 void 5040 gui_find_iconfile(char_u *name, char_u *buffer, char *ext) 5041 { 5042 char_u buf[MAXPATHL + 1]; 5043 5044 expand_env(name, buffer, MAXPATHL); 5045 if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK) 5046 STRCPY(buffer, buf); 5047 } 5048 # endif 5049 #endif 5050 5051 #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO) 5052 void 5053 display_errors(void) 5054 { 5055 char_u *p; 5056 5057 if (isatty(2)) 5058 fflush(stderr); 5059 else if (error_ga.ga_data != NULL) 5060 { 5061 /* avoid putting up a message box with blanks only */ 5062 for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p) 5063 if (!isspace(*p)) 5064 { 5065 /* Truncate a very long message, it will go off-screen. */ 5066 if (STRLEN(p) > 2000) 5067 STRCPY(p + 2000 - 14, "...(truncated)"); 5068 (void)do_dialog(VIM_ERROR, (char_u *)_("Error"), 5069 p, (char_u *)_("&Ok"), 1, NULL, FALSE); 5070 break; 5071 } 5072 ga_clear(&error_ga); 5073 } 5074 } 5075 #endif 5076 5077 #if defined(NO_CONSOLE_INPUT) || defined(PROTO) 5078 /* 5079 * Return TRUE if still starting up and there is no place to enter text. 5080 * For GTK and X11 we check if stderr is not a tty, which means we were 5081 * (probably) started from the desktop. Also check stdin, "vim >& file" does 5082 * allow typing on stdin. 5083 */ 5084 int 5085 no_console_input(void) 5086 { 5087 return ((!gui.in_use || gui.starting) 5088 # ifndef NO_CONSOLE 5089 && !isatty(0) && !isatty(2) 5090 # endif 5091 ); 5092 } 5093 #endif 5094 5095 #if defined(FIND_REPLACE_DIALOG) || defined(FEAT_SUN_WORKSHOP) \ 5096 || defined(NEED_GUI_UPDATE_SCREEN) \ 5097 || defined(PROTO) 5098 /* 5099 * Update the current window and the screen. 5100 */ 5101 void 5102 gui_update_screen(void) 5103 { 5104 #ifdef FEAT_CONCEAL 5105 linenr_T conceal_old_cursor_line = 0; 5106 linenr_T conceal_new_cursor_line = 0; 5107 int conceal_update_lines = FALSE; 5108 #endif 5109 5110 update_topline(); 5111 validate_cursor(); 5112 5113 #if defined(FEAT_AUTOCMD) || defined(FEAT_CONCEAL) 5114 /* Trigger CursorMoved if the cursor moved. */ 5115 if (!finish_op && ( 5116 # ifdef FEAT_AUTOCMD 5117 has_cursormoved() 5118 # endif 5119 # if defined(FEAT_AUTOCMD) && defined(FEAT_CONCEAL) 5120 || 5121 # endif 5122 # ifdef FEAT_CONCEAL 5123 curwin->w_p_cole > 0 5124 # endif 5125 ) 5126 && !EQUAL_POS(last_cursormoved, curwin->w_cursor)) 5127 { 5128 # ifdef FEAT_AUTOCMD 5129 if (has_cursormoved()) 5130 apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf); 5131 # endif 5132 # ifdef FEAT_CONCEAL 5133 if (curwin->w_p_cole > 0) 5134 { 5135 conceal_old_cursor_line = last_cursormoved.lnum; 5136 conceal_new_cursor_line = curwin->w_cursor.lnum; 5137 conceal_update_lines = TRUE; 5138 } 5139 # endif 5140 last_cursormoved = curwin->w_cursor; 5141 } 5142 #endif 5143 5144 update_screen(0); /* may need to update the screen */ 5145 setcursor(); 5146 # if defined(FEAT_CONCEAL) 5147 if (conceal_update_lines 5148 && (conceal_old_cursor_line != conceal_new_cursor_line 5149 || conceal_cursor_line(curwin) 5150 || need_cursor_line_redraw)) 5151 { 5152 if (conceal_old_cursor_line != conceal_new_cursor_line) 5153 update_single_line(curwin, conceal_old_cursor_line); 5154 update_single_line(curwin, conceal_new_cursor_line); 5155 curwin->w_valid &= ~VALID_CROW; 5156 } 5157 # endif 5158 out_flush(); /* make sure output has been written */ 5159 gui_update_cursor(TRUE, FALSE); 5160 gui_mch_flush(); 5161 } 5162 #endif 5163 5164 #if defined(FIND_REPLACE_DIALOG) || defined(PROTO) 5165 static void concat_esc(garray_T *gap, char_u *text, int what); 5166 5167 /* 5168 * Get the text to use in a find/replace dialog. Uses the last search pattern 5169 * if the argument is empty. 5170 * Returns an allocated string. 5171 */ 5172 char_u * 5173 get_find_dialog_text( 5174 char_u *arg, 5175 int *wwordp, /* return: TRUE if \< \> found */ 5176 int *mcasep) /* return: TRUE if \C found */ 5177 { 5178 char_u *text; 5179 5180 if (*arg == NUL) 5181 text = last_search_pat(); 5182 else 5183 text = arg; 5184 if (text != NULL) 5185 { 5186 text = vim_strsave(text); 5187 if (text != NULL) 5188 { 5189 int len = (int)STRLEN(text); 5190 int i; 5191 5192 /* Remove "\V" */ 5193 if (len >= 2 && STRNCMP(text, "\\V", 2) == 0) 5194 { 5195 mch_memmove(text, text + 2, (size_t)(len - 1)); 5196 len -= 2; 5197 } 5198 5199 /* Recognize "\c" and "\C" and remove. */ 5200 if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C')) 5201 { 5202 *mcasep = (text[1] == 'C'); 5203 mch_memmove(text, text + 2, (size_t)(len - 1)); 5204 len -= 2; 5205 } 5206 5207 /* Recognize "\<text\>" and remove. */ 5208 if (len >= 4 5209 && STRNCMP(text, "\\<", 2) == 0 5210 && STRNCMP(text + len - 2, "\\>", 2) == 0) 5211 { 5212 *wwordp = TRUE; 5213 mch_memmove(text, text + 2, (size_t)(len - 4)); 5214 text[len - 4] = NUL; 5215 } 5216 5217 /* Recognize "\/" or "\?" and remove. */ 5218 for (i = 0; i + 1 < len; ++i) 5219 if (text[i] == '\\' && (text[i + 1] == '/' 5220 || text[i + 1] == '?')) 5221 { 5222 mch_memmove(text + i, text + i + 1, (size_t)(len - i)); 5223 --len; 5224 } 5225 } 5226 } 5227 return text; 5228 } 5229 5230 /* 5231 * Concatenate "text" to grow array "gap", escaping "what" with a backslash. 5232 */ 5233 static void 5234 concat_esc(garray_T *gap, char_u *text, int what) 5235 { 5236 while (*text != NUL) 5237 { 5238 #ifdef FEAT_MBYTE 5239 int l = (*mb_ptr2len)(text); 5240 5241 if (l > 1) 5242 { 5243 while (--l >= 0) 5244 ga_append(gap, *text++); 5245 continue; 5246 } 5247 #endif 5248 if (*text == what) 5249 ga_append(gap, '\\'); 5250 ga_append(gap, *text); 5251 ++text; 5252 } 5253 } 5254 5255 /* 5256 * Handle the press of a button in the find-replace dialog. 5257 * Return TRUE when something was added to the input buffer. 5258 */ 5259 int 5260 gui_do_findrepl( 5261 int flags, /* one of FRD_REPLACE, FRD_FINDNEXT, etc. */ 5262 char_u *find_text, 5263 char_u *repl_text, 5264 int down) /* Search downwards. */ 5265 { 5266 garray_T ga; 5267 int i; 5268 int type = (flags & FRD_TYPE_MASK); 5269 char_u *p; 5270 regmatch_T regmatch; 5271 int save_did_emsg = did_emsg; 5272 static int busy = FALSE; 5273 5274 /* When the screen is being updated we should not change buffers and 5275 * windows structures, it may cause freed memory to be used. Also don't 5276 * do this recursively (pressing "Find" quickly several times. */ 5277 if (updating_screen || busy) 5278 return FALSE; 5279 5280 /* refuse replace when text cannot be changed */ 5281 if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked()) 5282 return FALSE; 5283 5284 busy = TRUE; 5285 5286 ga_init2(&ga, 1, 100); 5287 if (type == FRD_REPLACEALL) 5288 ga_concat(&ga, (char_u *)"%s/"); 5289 5290 ga_concat(&ga, (char_u *)"\\V"); 5291 if (flags & FRD_MATCH_CASE) 5292 ga_concat(&ga, (char_u *)"\\C"); 5293 else 5294 ga_concat(&ga, (char_u *)"\\c"); 5295 if (flags & FRD_WHOLE_WORD) 5296 ga_concat(&ga, (char_u *)"\\<"); 5297 if (type == FRD_REPLACEALL || down) 5298 concat_esc(&ga, find_text, '/'); /* escape slashes */ 5299 else 5300 concat_esc(&ga, find_text, '?'); /* escape '?' */ 5301 if (flags & FRD_WHOLE_WORD) 5302 ga_concat(&ga, (char_u *)"\\>"); 5303 5304 if (type == FRD_REPLACEALL) 5305 { 5306 ga_concat(&ga, (char_u *)"/"); 5307 /* escape / and \ */ 5308 p = vim_strsave_escaped(repl_text, (char_u *)"/\\"); 5309 if (p != NULL) 5310 ga_concat(&ga, p); 5311 vim_free(p); 5312 ga_concat(&ga, (char_u *)"/g"); 5313 } 5314 ga_append(&ga, NUL); 5315 5316 if (type == FRD_REPLACE) 5317 { 5318 /* Do the replacement when the text at the cursor matches. Thus no 5319 * replacement is done if the cursor was moved! */ 5320 regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING); 5321 regmatch.rm_ic = 0; 5322 if (regmatch.regprog != NULL) 5323 { 5324 p = ml_get_cursor(); 5325 if (vim_regexec_nl(®match, p, (colnr_T)0) 5326 && regmatch.startp[0] == p) 5327 { 5328 /* Clear the command line to remove any old "No match" 5329 * error. */ 5330 msg_end_prompt(); 5331 5332 if (u_save_cursor() == OK) 5333 { 5334 /* A button was pressed thus undo should be synced. */ 5335 u_sync(FALSE); 5336 5337 del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]), 5338 FALSE, FALSE); 5339 ins_str(repl_text); 5340 } 5341 } 5342 else 5343 MSG(_("No match at cursor, finding next")); 5344 vim_regfree(regmatch.regprog); 5345 } 5346 } 5347 5348 if (type == FRD_REPLACEALL) 5349 { 5350 /* A button was pressed, thus undo should be synced. */ 5351 u_sync(FALSE); 5352 do_cmdline_cmd(ga.ga_data); 5353 } 5354 else 5355 { 5356 int searchflags = SEARCH_MSG + SEARCH_MARK; 5357 5358 /* Search for the next match. 5359 * Don't skip text under cursor for single replace. */ 5360 if (type == FRD_REPLACE) 5361 searchflags += SEARCH_START; 5362 i = msg_scroll; 5363 (void)do_search(NULL, down ? '/' : '?', ga.ga_data, 1L, 5364 searchflags, NULL, NULL); 5365 msg_scroll = i; /* don't let an error message set msg_scroll */ 5366 } 5367 5368 /* Don't want to pass did_emsg to other code, it may cause disabling 5369 * syntax HL if we were busy redrawing. */ 5370 did_emsg = save_did_emsg; 5371 5372 if (State & (NORMAL | INSERT)) 5373 { 5374 gui_update_screen(); /* update the screen */ 5375 msg_didout = 0; /* overwrite any message */ 5376 need_wait_return = FALSE; /* don't wait for return */ 5377 } 5378 5379 vim_free(ga.ga_data); 5380 busy = FALSE; 5381 return (ga.ga_len > 0); 5382 } 5383 5384 #endif 5385 5386 #if (defined(FEAT_DND) && defined(FEAT_GUI_GTK)) \ 5387 || defined(FEAT_GUI_MSWIN) \ 5388 || defined(FEAT_GUI_MAC) \ 5389 || defined(PROTO) 5390 5391 #ifdef FEAT_WINDOWS 5392 static void gui_wingoto_xy(int x, int y); 5393 5394 /* 5395 * Jump to the window at specified point (x, y). 5396 */ 5397 static void 5398 gui_wingoto_xy(int x, int y) 5399 { 5400 int row = Y_2_ROW(y); 5401 int col = X_2_COL(x); 5402 win_T *wp; 5403 5404 if (row >= 0 && col >= 0) 5405 { 5406 wp = mouse_find_win(&row, &col); 5407 if (wp != NULL && wp != curwin) 5408 win_goto(wp); 5409 } 5410 } 5411 #endif 5412 5413 /* 5414 * Process file drop. Mouse cursor position, key modifiers, name of files 5415 * and count of files are given. Argument "fnames[count]" has full pathnames 5416 * of dropped files, they will be freed in this function, and caller can't use 5417 * fnames after call this function. 5418 */ 5419 void 5420 gui_handle_drop( 5421 int x UNUSED, 5422 int y UNUSED, 5423 int_u modifiers, 5424 char_u **fnames, 5425 int count) 5426 { 5427 int i; 5428 char_u *p; 5429 static int entered = FALSE; 5430 5431 /* 5432 * This function is called by event handlers. Just in case we get a 5433 * second event before the first one is handled, ignore the second one. 5434 * Not sure if this can ever happen, just in case. 5435 */ 5436 if (entered) 5437 return; 5438 entered = TRUE; 5439 5440 /* 5441 * When the cursor is at the command line, add the file names to the 5442 * command line, don't edit the files. 5443 */ 5444 if (State & CMDLINE) 5445 { 5446 shorten_filenames(fnames, count); 5447 for (i = 0; i < count; ++i) 5448 { 5449 if (fnames[i] != NULL) 5450 { 5451 if (i > 0) 5452 add_to_input_buf((char_u*)" ", 1); 5453 5454 /* We don't know what command is used thus we can't be sure 5455 * about which characters need to be escaped. Only escape the 5456 * most common ones. */ 5457 # ifdef BACKSLASH_IN_FILENAME 5458 p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|"); 5459 # else 5460 p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|"); 5461 # endif 5462 if (p != NULL) 5463 add_to_input_buf_csi(p, (int)STRLEN(p)); 5464 vim_free(p); 5465 vim_free(fnames[i]); 5466 } 5467 } 5468 vim_free(fnames); 5469 } 5470 else 5471 { 5472 /* Go to the window under mouse cursor, then shorten given "fnames" by 5473 * current window, because a window can have local current dir. */ 5474 # ifdef FEAT_WINDOWS 5475 gui_wingoto_xy(x, y); 5476 # endif 5477 shorten_filenames(fnames, count); 5478 5479 /* If Shift held down, remember the first item. */ 5480 if ((modifiers & MOUSE_SHIFT) != 0) 5481 p = vim_strsave(fnames[0]); 5482 else 5483 p = NULL; 5484 5485 /* Handle the drop, :edit or :split to get to the file. This also 5486 * frees fnames[]. Skip this if there is only one item it's a 5487 * directory and Shift is held down. */ 5488 if (count == 1 && (modifiers & MOUSE_SHIFT) != 0 5489 && mch_isdir(fnames[0])) 5490 { 5491 vim_free(fnames[0]); 5492 vim_free(fnames); 5493 } 5494 else 5495 handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0); 5496 5497 /* If Shift held down, change to first file's directory. If the first 5498 * item is a directory, change to that directory (and let the explorer 5499 * plugin show the contents). */ 5500 if (p != NULL) 5501 { 5502 if (mch_isdir(p)) 5503 { 5504 if (mch_chdir((char *)p) == 0) 5505 shorten_fnames(TRUE); 5506 } 5507 else if (vim_chdirfile(p) == OK) 5508 shorten_fnames(TRUE); 5509 vim_free(p); 5510 } 5511 5512 /* Update the screen display */ 5513 update_screen(NOT_VALID); 5514 # ifdef FEAT_MENU 5515 gui_update_menus(0); 5516 # endif 5517 #ifdef FEAT_TITLE 5518 maketitle(); 5519 #endif 5520 setcursor(); 5521 out_flush(); 5522 gui_update_cursor(FALSE, FALSE); 5523 gui_mch_flush(); 5524 } 5525 5526 entered = FALSE; 5527 } 5528 #endif 5529