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- /* vi:set ts=8 sts=4 sw=4:
- *
- * VIM - Vi IMproved by Bram Moolenaar
- * GUI/Motif support by Robert Webb
- *
- * Do ":help uganda" in Vim to read copying and usage conditions.
- * Do ":help credits" in Vim to see a list of people who contributed.
- * See README.txt for an overview of the Vim source code.
- */
-
- #include "vim.h"
-
- /* Structure containing all the GUI information */
- gui_T gui;
-
- #ifdef FEAT_MBYTE
- static void set_guifontwide __ARGS((char_u *font_name));
- #endif
- static void gui_check_pos __ARGS((void));
- static void gui_position_components __ARGS((int));
- static void gui_outstr __ARGS((char_u *, int));
- static void gui_screenchar __ARGS((int off, int flags, guicolor_T fg, guicolor_T bg, int back));
- static void gui_delete_lines __ARGS((int row, int count));
- static void gui_insert_lines __ARGS((int row, int count));
- static void gui_do_scrollbar __ARGS((win_T *wp, int which, int enable));
- static void gui_update_horiz_scrollbar __ARGS((int));
- static win_T *xy2win __ARGS((int x, int y));
-
- static int can_update_cursor = TRUE; /* can display the cursor */
-
- /*
- * The Athena scrollbars can move the thumb to after the end of the scrollbar,
- * this makes the thumb indicate the part of the text that is shown. Motif
- * can't do this.
- */
- #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MAC)
- # define SCROLL_PAST_END
- #endif
-
- /*
- * gui_start -- Called when user wants to start the GUI.
- *
- * Careful: This function can be called recursively when there is a ":gui"
- * command in the .gvimrc file. Only the first call should fork, not the
- * recursive call.
- */
- void
- gui_start()
- {
- char_u *old_term;
- #if defined(UNIX) && !defined(__BEOS__)
- pid_t pid = -1;
- int dofork = TRUE;
- #endif
- static int recursive = 0;
-
- old_term = vim_strsave(T_NAME);
-
- /*
- * Set_termname() will call gui_init() to start the GUI.
- * Set the "starting" flag, to indicate that the GUI will start.
- *
- * We don't want to open the GUI shell until after we've read .gvimrc,
- * otherwise we don't know what font we will use, and hence we don't know
- * what size the shell should be. So if there are errors in the .gvimrc
- * file, they will have to go to the terminal: Set full_screen to FALSE.
- * full_screen will be set to TRUE again by a successful termcapinit().
- */
- settmode(TMODE_COOK); /* stop RAW mode */
- if (full_screen)
- cursor_on(); /* needed for ":gui" in .vimrc */
- gui.starting = TRUE;
- full_screen = FALSE;
-
- #if defined(UNIX) && !defined(__BEOS__)
- if (!gui.dofork || vim_strchr(p_go, GO_FORG) || recursive)
- dofork = FALSE;
- #endif
- ++recursive;
-
- termcapinit((char_u *)"builtin_gui");
- gui.starting = recursive - 1;
-
- if (!gui.in_use) /* failed to start GUI */
- {
- termcapinit(old_term); /* back to old term settings */
- settmode(TMODE_RAW); /* restart RAW mode */
- #ifdef FEAT_TITLE
- set_title_defaults(); /* set 'title' and 'icon' again */
- #endif
- }
-
- vim_free(old_term);
-
- #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
- if (gui.in_use)
- /* Display error messages in a dialog now. */
- display_errors();
- #endif
-
- #if defined(UNIX) && !defined(__BEOS__) && !defined(__QNXNTO__)
- /*
- * Quit the current process and continue in the child.
- * Makes "gvim file" disconnect from the shell it was started in.
- * Don't do this when Vim was started with "-f" or the 'f' flag is present
- * in 'guioptions'.
- */
- if (gui.in_use && dofork)
- {
- pid = fork();
- if (pid > 0) /* Parent */
- {
- /* Give the child some time to do the setsid(), otherwise the
- * exit() may kill the child too (when starting gvim from inside a
- * gvim). */
- ui_delay(100L, TRUE);
-
- /*
- * The parent must skip the normal exit() processing, the child
- * will do it. For example, GTK messes up signals when exiting.
- */
- _exit(0);
- }
-
- # if defined(HAVE_SETSID) || defined(HAVE_SETPGID)
- /*
- * Change our process group. On some systems/shells a CTRL-C in the
- * shell where Vim was started would otherwise kill gvim!
- */
- if (pid == 0) /* child */
- # if defined(HAVE_SETSID)
- (void)setsid();
- # else
- (void)setpgid(0, 0);
- # endif
- # endif
- }
- #else
- # if defined(__QNXNTO__)
- if (gui.in_use && dofork)
- procmgr_daemon(0, PROCMGR_DAEMON_KEEPUMASK | PROCMGR_DAEMON_NOCHDIR |
- PROCMGR_DAEMON_NOCLOSE | PROCMGR_DAEMON_NODEVNULL);
- # endif
- #endif
-
- #ifdef FEAT_AUTOCMD
- /* If the GUI started successfully, trigger the GUIEnter event */
- if (gui.in_use)
- apply_autocmds(EVENT_GUIENTER, NULL, NULL, FALSE, curbuf);
- #endif
- --recursive;
- }
-
- /*
- * Call this when vim starts up, whether or not the GUI is started
- */
- void
- gui_prepare(argc, argv)
- int *argc;
- char **argv;
- {
- gui.in_use = FALSE; /* No GUI yet (maybe later) */
- gui.starting = FALSE; /* No GUI yet (maybe later) */
- gui_mch_prepare(argc, argv);
- }
-
- /*
- * Try initializing the GUI and check if it can be started.
- * Used from main() to check early if "vim -g" can start the GUI.
- * Used from gui_init() to prepare for starting the GUI.
- * Returns FAIL or OK.
- */
- int
- gui_init_check()
- {
- static int result = MAYBE;
-
- if (result != MAYBE)
- {
- if (result == FAIL)
- EMSG(_("E229: Cannot start the GUI"));
- return result;
- }
-
- gui.shell_created = FALSE;
- gui.dying = FALSE;
- gui.in_focus = TRUE; /* so the guicursor setting works */
- gui.dragged_sb = SBAR_NONE;
- gui.dragged_wp = NULL;
- gui.pointer_hidden = FALSE;
- gui.col = 0;
- gui.row = 0;
- gui.num_cols = Columns;
- gui.num_rows = Rows;
-
- gui.cursor_is_valid = FALSE;
- gui.scroll_region_top = 0;
- gui.scroll_region_bot = Rows - 1;
- gui.scroll_region_left = 0;
- gui.scroll_region_right = Columns - 1;
- gui.highlight_mask = HL_NORMAL;
- gui.char_width = 1;
- gui.char_height = 1;
- gui.char_ascent = 0;
- gui.border_width = 0;
-
- gui.norm_font = NOFONT;
- gui.bold_font = NOFONT;
- gui.ital_font = NOFONT;
- gui.boldital_font = NOFONT;
- #ifdef FEAT_XFONTSET
- gui.fontset = NOFONTSET;
- #endif
-
- #ifdef FEAT_MENU
- # ifdef FONTSET_ALWAYS
- gui.menu_fontset = NOFONTSET;
- # else
- gui.menu_font = NOFONT;
- # endif
- gui.menu_is_active = TRUE; /* default: include menu */
- # ifndef FEAT_GUI_GTK
- gui.menu_height = MENU_DEFAULT_HEIGHT;
- gui.menu_width = 0;
- # endif
- #endif
- #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA))
- gui.toolbar_height = 0;
- #endif
- #if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF)
- gui.footer_height = 0;
- #endif
- #ifdef FEAT_BEVAL
- gui.tooltip_fontset = NOFONTSET;
- #endif
-
- gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH;
- gui.prev_wrap = -1;
-
- #ifdef ALWAYS_USE_GUI
- result = OK;
- #else
- result = gui_mch_init_check();
- #endif
- return result;
- }
-
- /*
- * This is the call which starts the GUI.
- */
- void
- gui_init()
- {
- win_T *wp;
- static int recursive = 0;
-
- /*
- * It's possible to use ":gui" in a .gvimrc file. The first halve of this
- * function will then be executed at the first call, the rest by the
- * recursive call. This allow the shell to be opened halfway reading a
- * gvimrc file.
- */
- if (!recursive)
- {
- ++recursive;
-
- clip_init(TRUE);
-
- /* If can't initialize, don't try doing the rest */
- if (gui_init_check() == FAIL)
- {
- --recursive;
- clip_init(FALSE);
- return;
- }
-
- /*
- * Set up system-wide default menus.
- */
- #if defined(SYS_MENU_FILE) && defined(FEAT_MENU)
- if (vim_strchr(p_go, GO_NOSYSMENU) == NULL)
- {
- sys_menu = TRUE;
- do_source((char_u *)SYS_MENU_FILE, FALSE, FALSE);
- sys_menu = FALSE;
- }
- #endif
-
- /*
- * Switch on the mouse by default, unless the user changed it already.
- * This can then be changed in the .gvimrc.
- */
- if (!option_was_set((char_u *)"mouse"))
- set_string_option_direct((char_u *)"mouse", -1,
- (char_u *)"a", OPT_FREE);
-
- /*
- * If -U option given, use only the initializations from that file and
- * nothing else. Skip all initializations for "-U NONE" or "-u NORC".
- */
- if (use_gvimrc != NULL)
- {
- if (STRCMP(use_gvimrc, "NONE") != 0
- && STRCMP(use_gvimrc, "NORC") != 0
- && do_source(use_gvimrc, FALSE, FALSE) != OK)
- EMSG2(_("E230: Cannot read from \"%s\""), use_gvimrc);
- }
- else
- {
- /*
- * Get system wide defaults for gvim, only when file name defined.
- */
- #ifdef SYS_GVIMRC_FILE
- do_source((char_u *)SYS_GVIMRC_FILE, FALSE, FALSE);
- #endif
-
- /*
- * Try to read GUI initialization commands from the following
- * places:
- * - environment variable GVIMINIT
- * - the user gvimrc file (~/.gvimrc)
- * - the second user gvimrc file ($VIM/.gvimrc for Dos)
- * - the third user gvimrc file ($VIM/.gvimrc for Amiga)
- * The first that exists is used, the rest is ignored.
- */
- if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL
- && do_source((char_u *)USR_GVIMRC_FILE, TRUE, FALSE) == FAIL
- #ifdef USR_GVIMRC_FILE2
- && do_source((char_u *)USR_GVIMRC_FILE2, TRUE, FALSE) == FAIL
- #endif
- )
- {
- #ifdef USR_GVIMRC_FILE3
- (void)do_source((char_u *)USR_GVIMRC_FILE3, TRUE, FALSE);
- #endif
- }
-
- /*
- * Read initialization commands from ".gvimrc" in current
- * directory. This is only done if the 'exrc' option is set.
- * Because of security reasons we disallow shell and write
- * commands now, except for unix if the file is owned by the user
- * or 'secure' option has been reset in environment of global
- * ".gvimrc".
- * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE,
- * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE.
- */
- if (p_exrc)
- {
- #ifdef UNIX
- {
- struct stat s;
-
- /* if ".gvimrc" file is not owned by user, set 'secure'
- * mode */
- if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid())
- secure = p_secure;
- }
- #else
- secure = p_secure;
- #endif
-
- if ( fullpathcmp((char_u *)USR_GVIMRC_FILE,
- (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
- #ifdef SYS_GVIMRC_FILE
- && fullpathcmp((char_u *)SYS_GVIMRC_FILE,
- (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
- #endif
- #ifdef USR_GVIMRC_FILE2
- && fullpathcmp((char_u *)USR_GVIMRC_FILE2,
- (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
- #endif
- #ifdef USR_GVIMRC_FILE3
- && fullpathcmp((char_u *)USR_GVIMRC_FILE3,
- (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME
- #endif
- )
- do_source((char_u *)GVIMRC_FILE, TRUE, FALSE);
-
- if (secure == 2)
- need_wait_return = TRUE;
- secure = 0;
- }
- }
-
- if (need_wait_return || msg_didany)
- wait_return(TRUE);
-
- --recursive;
- }
-
- /* If recursive call opened the shell, return here from the first call */
- if (gui.in_use)
- return;
-
- /*
- * Create the GUI shell.
- */
- gui.in_use = TRUE; /* Must be set after menus have been set up */
- if (gui_mch_init() == FAIL)
- goto error;
-
- /* Avoid a delay for an error message that was printed in the terminal
- * where Vim was started. */
- emsg_on_display = FALSE;
- msg_scrolled = 0;
- need_wait_return = FALSE;
- msg_didany = FALSE;
-
- /*
- * Check validity of any generic resources that may have been loaded.
- */
- if (gui.border_width < 0)
- gui.border_width = 0;
-
- /*
- * Set up the fonts. First use a font specified with "-fn" or "-font".
- */
- if (font_argument != NULL)
- set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0);
- if (
- #ifdef FEAT_XFONTSET
- (*p_guifontset == NUL
- || gui_init_font(p_guifontset, TRUE) == FAIL) &&
- #endif
- gui_init_font(*p_guifont == NUL ? hl_get_font_name()
- : p_guifont, FALSE) == FAIL)
- goto error2;
- #ifdef FEAT_MBYTE
- if (gui_get_wide_font() == FAIL)
- EMSG(_("E231: 'guifontwide' invalid"));
- #endif
-
- gui.num_cols = Columns;
- gui.num_rows = Rows;
- gui_reset_scroll_region();
-
- /* Create initial scrollbars */
- FOR_ALL_WINDOWS(wp)
- {
- gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp);
- gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp);
- }
- gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL);
-
- #ifdef FEAT_MENU
- gui_create_initial_menus(root_menu);
- #endif
- #ifdef FEAT_SUN_WORKSHOP
- if (usingSunWorkShop)
- workshop_init();
- #endif
-
- /* Configure the desired menu and scrollbars */
- gui_init_which_components(NULL);
-
- /* All components of the GUI have been created now */
- gui.shell_created = TRUE;
-
- #ifndef FEAT_GUI_GTK
- /* Set the shell size, adjusted for the screen size. For GTK this only
- * works after the shell has been opened, thus it is further down. */
- gui_set_shellsize(FALSE, TRUE);
- #endif
- #if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
- /* Need to set the size of the menubar after all the menus have been
- * created. */
- gui_mch_compute_menu_height((Widget)0);
- #endif
-
- /*
- * Actually open the GUI shell.
- */
- if (gui_mch_open() != FAIL)
- {
- #ifdef FEAT_TITLE
- maketitle();
- resettitle();
- #endif
- init_gui_options();
- #ifdef FEAT_GUI_GTK
- /* Give GTK+ a chance to put all widget's into place. */
- gui_mch_update();
- /* Now make sure the shell fits on the screen. */
- gui_set_shellsize(FALSE, TRUE);
- #endif
- return;
- }
-
- error2:
- #ifdef FEAT_GUI_X11
- /* undo gui_mch_init() */
- gui_mch_uninit();
- #endif
-
- error:
- gui.in_use = FALSE;
- clip_init(FALSE);
- }
-
-
- void
- gui_exit(rc)
- int rc;
- {
- #ifndef __BEOS__
- /* don't free the fonts, it leads to a BUS error
- * richard@whitequeen.com Jul 99 */
- free_highlight_fonts();
- #endif
- gui.in_use = FALSE;
- gui_mch_exit(rc);
- }
-
- #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \
- || defined(FEAT_GUI_PHOTON) || defined(PROTO)
- /*
- * Called when the GUI shell is closed by the user. If there are no changed
- * files Vim exits, otherwise there will be a dialog to ask the user what to
- * do.
- * When this function returns, Vim should NOT exit!
- */
- void
- gui_shell_closed()
- {
- cmdmod_T save_cmdmod;
-
- save_cmdmod = cmdmod;
-
- /* Only exit when there are no changed files */
- exiting = TRUE;
- # ifdef FEAT_BROWSE
- cmdmod.browse = TRUE;
- # endif
- # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
- cmdmod.confirm = TRUE;
- # endif
- /* If there are changed buffers, present the user with a dialog if
- * possible, otherwise give an error message. */
- if (!check_changed_any(FALSE))
- getout(0);
-
- exiting = FALSE;
- cmdmod = save_cmdmod;
- setcursor(); /* position cursor */
- out_flush();
- }
- #endif
-
- /*
- * Set the font. "font_list" is a a comma separated list of font names. The
- * first font name that works is used. If none is found, use the default
- * font.
- * If "fontset" is TRUE, the "font_list" is used as one name for the fontset.
- * Return OK when able to set the font. When it failed FAIL is returned and
- * the fonts are unchanged.
- */
- /*ARGSUSED*/
- int
- gui_init_font(font_list, fontset)
- char_u *font_list;
- int fontset;
- {
- #define FONTLEN 320
- char_u font_name[FONTLEN];
- int font_list_empty = FALSE;
- int ret = FAIL;
-
- if (!gui.in_use)
- return FAIL;
-
- font_name[0] = NUL;
- if (*font_list == NUL)
- font_list_empty = TRUE;
- else
- {
- #ifdef FEAT_XFONTSET
- /* When using a fontset, the whole list of fonts is one name. */
- if (fontset)
- ret = gui_mch_init_font(font_list, TRUE);
- else
- #endif
- while (*font_list != NUL)
- {
- /* Isolate one comma separated font name. */
- (void)copy_option_part(&font_list, font_name, FONTLEN, ",");
- if (gui_mch_init_font(font_name, FALSE) == OK)
- {
- #ifdef FEAT_MBYTE
- /* If it's a Unicode font, try setting 'guifontwide' to a
- * similar double-width font. */
- if ((p_guifontwide == NULL || *p_guifontwide == NUL)
- && strstr((char *)font_name, "10646") != NULL)
- set_guifontwide(font_name);
- #endif
- ret = OK;
- break;
- }
- }
- }
-
- if (ret != OK
- && STRCMP(font_list, "*") != 0
- && (font_list_empty || gui.norm_font == NOFONT))
- {
- /*
- * Couldn't load any font in 'font_list', keep the current font if
- * there is one. If 'font_list' is empty, or if there is no current
- * font, tell gui_mch_init_font() to try to find a font we can load.
- */
- ret = gui_mch_init_font(NULL, FALSE);
- }
-
- if (ret == OK)
- {
- /* Set normal font as current font */
- #ifdef FEAT_XFONTSET
- if (gui.fontset != NOFONTSET)
- gui_mch_set_fontset(gui.fontset);
- else
- #endif
- gui_mch_set_font(gui.norm_font);
- gui_set_shellsize(FALSE,
- #ifdef MSWIN
- TRUE
- #else
- FALSE
- #endif
- );
- }
-
- return ret;
- }
-
- #if defined(FEAT_MBYTE) || defined(PROTO)
- /*
- * Try setting 'guifontwide' to a font twice as wide as "name".
- */
- static void
- set_guifontwide(name)
- char_u *name;
- {
- int i = 0;
- char_u wide_name[FONTLEN + 10]; /* room for 2 * width and '*' */
- char_u *wp = NULL;
- char_u *p;
- GuiFont font;
-
- wp = wide_name;
- for (p = name; *p != NUL; ++p)
- {
- *wp++ = *p;
- if (*p == '-')
- {
- ++i;
- if (i == 6) /* font type: change "--" to "-*-" */
- {
- if (p[1] == '-')
- *wp++ = '*';
- }
- else if (i == 12) /* found the width */
- {
- ++p;
- i = getdigits(&p);
- if (i != 0)
- {
- /* Double the width specification. */
- sprintf((char *)wp, "%d%s", i * 2, p);
- font = gui_mch_get_font(wide_name, FALSE);
- if (font != NOFONT)
- {
- gui.wide_font = font;
- set_string_option_direct((char_u *)"gfw", -1,
- wide_name, OPT_FREE);
- }
- }
- break;
- }
- }
- }
- }
-
- /*
- * Get the font for 'guifontwide'.
- * Return FAIL for an invalid font name.
- */
- int
- gui_get_wide_font()
- {
- GuiFont font = NOFONT;
- char_u font_name[FONTLEN];
- char_u *p;
-
- if (!gui.in_use) /* Can't allocate font yet, assume it's OK. */
- return OK; /* Will give an error message later. */
-
- if (p_guifontwide != NULL && *p_guifontwide != NUL)
- {
- for (p = p_guifontwide; *p != NUL; )
- {
- /* Isolate one comma separated font name. */
- (void)copy_option_part(&p, font_name, FONTLEN, ",");
- font = gui_mch_get_font(font_name, FALSE);
- if (font != NOFONT)
- break;
- }
- if (font == NOFONT)
- return FAIL;
- }
-
- gui_mch_free_font(gui.wide_font);
- gui.wide_font = font;
- return OK;
- }
- #endif
-
- void
- gui_set_cursor(row, col)
- int row;
- int col;
- {
- gui.row = row;
- gui.col = col;
- }
-
- /*
- * gui_check_pos - check if the cursor is on the screen.
- */
- static void
- gui_check_pos()
- {
- if (gui.row >= screen_Rows)
- gui.row = screen_Rows - 1;
- if (gui.col >= screen_Columns)
- gui.col = screen_Columns - 1;
- if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns)
- gui.cursor_is_valid = FALSE;
- }
-
- /*
- * Redraw the cursor if necessary or when forced.
- * Careful: The contents of ScreenLines[] must match what is on the screen,
- * otherwise this goes wrong. May need to call out_flush() first.
- */
- void
- gui_update_cursor(force, clear_selection)
- int force; /* when TRUE, update even when not moved */
- int clear_selection;/* clear selection under cursor */
- {
- int cur_width = 0;
- int cur_height = 0;
- int old_hl_mask;
- int idx;
- int id;
- guicolor_T cfg, cbg, cc; /* cursor fore-/background color */
- int cattr; /* cursor attributes */
- int attr;
- attrentry_T *aep = NULL;
-
- /* Don't update the cursor when halfway busy scrolling.
- * ScreenLines[] isn't valid then. */
- if (!can_update_cursor)
- return;
-
- gui_check_pos();
- if (!gui.cursor_is_valid || force
- || gui.row != gui.cursor_row || gui.col != gui.cursor_col)
- {
- gui_undraw_cursor();
- if (gui.row < 0)
- return;
- #ifdef USE_IM_CONTROL
- if (gui.row != gui.cursor_row || gui.col != gui.cursor_col)
- im_set_position(gui.row, gui.col);
- #endif
- gui.cursor_row = gui.row;
- gui.cursor_col = gui.col;
- gui.cursor_is_valid = TRUE;
-
- /* Only write to the screen after ScreenLines[] has been initialized */
- if (!screen_cleared || ScreenLines == NULL)
- return;
-
- /* Clear the selection if we are about to write over it */
- if (clear_selection)
- clip_may_clear_selection(gui.row, gui.row);
- /* Check that the cursor is inside the shell (resizing may have made
- * it invalid) */
- if (gui.row >= screen_Rows || gui.col >= screen_Columns)
- return;
-
- /*
- * How the cursor is drawn depends on the current mode.
- */
- idx = get_shape_idx(FALSE);
- if (State & LANGMAP)
- id = shape_table[idx].id_lm;
- else
- id = shape_table[idx].id;
-
- /* get the colors and attributes for the cursor. Default is inverted */
- cfg = (guicolor_T)-1;
- cbg = (guicolor_T)-1;
- cattr = HL_INVERSE;
- gui_mch_set_blinking(shape_table[idx].blinkwait,
- shape_table[idx].blinkon,
- shape_table[idx].blinkoff);
- if (id > 0)
- {
- cattr = syn_id2colors(id, &cfg, &cbg);
- #if defined(USE_IM_CONTROL) || defined(FEAT_HANGULIN)
- {
- static int iid;
- guicolor_T fg, bg;
-
- if (im_get_status())
- {
- iid = syn_name2id((char_u *)"CursorIM");
- if (iid > 0)
- {
- syn_id2colors(iid, &fg, &bg);
- if (bg > 0)
- cbg = bg;
- }
- }
- }
- #endif
- --cbg;
- --cfg;
- }
-
- /*
- * Get the attributes for the character under the cursor.
- * When no cursor color was given, use the character color.
- */
- attr = ScreenAttrs[LineOffset[gui.row] + gui.col];
- if (attr > HL_ALL)
- aep = syn_gui_attr2entry(attr);
- if (aep != NULL)
- {
- attr = aep->ae_attr;
- if (cfg < 0)
- cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
- : aep->ae_u.gui.fg_color) - 1;
- if (cbg < 0)
- cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
- : aep->ae_u.gui.bg_color) - 1;
- }
- if (cfg < 0)
- cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel;
- if (cbg < 0)
- cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel;
-
- #ifdef FEAT_XIM
- if (aep != NULL)
- {
- xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
- : aep->ae_u.gui.bg_color) - 1;
- xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
- : aep->ae_u.gui.fg_color) - 1;
- if (xim_bg_color < 0)
- xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
- : gui.back_pixel;
- if (xim_fg_color < 0)
- xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel
- : gui.norm_pixel;
- }
- else
- {
- xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
- : gui.back_pixel;
- xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel
- : gui.norm_pixel;
- }
- #endif
-
- attr &= ~HL_INVERSE;
- if (cattr & HL_INVERSE)
- {
- cc = cbg;
- cbg = cfg;
- cfg = cc;
- }
- cattr &= ~HL_INVERSE;
-
- /*
- * When we don't have window focus, draw a hollow cursor.
- */
- if (!gui.in_focus)
- {
- gui_mch_draw_hollow_cursor(cbg);
- return;
- }
-
- old_hl_mask = gui.highlight_mask;
- if (shape_table[idx].shape == SHAPE_BLOCK
- #ifdef FEAT_HANGULIN
- || composing_hangul
- #endif
- )
- {
- /*
- * Draw the text character with the cursor colors. Use the
- * character attributes plus the cursor attributes.
- */
- gui.highlight_mask = (cattr | attr);
- #ifdef FEAT_HANGULIN
- if (composing_hangul)
- gui_outstr_nowrap(composing_hangul_buffer, 2,
- GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0);
- else
- #endif
- gui_screenchar(LineOffset[gui.row] + gui.col,
- GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0);
- }
- else
- {
- /*
- * First draw the partial cursor, then overwrite with the text
- * character, using a transparent background.
- */
- if (shape_table[idx].shape == SHAPE_VER)
- {
- cur_height = gui.char_height;
- cur_width = (gui.char_width * shape_table[idx].percentage
- + 99) / 100;
- }
- else
- {
- cur_height = (gui.char_height * shape_table[idx].percentage
- + 99) / 100;
- cur_width = gui.char_width;
- #ifdef FEAT_MBYTE
- if ((*mb_off2cells)(LineOffset[gui.row] + gui.col) > 1)
- cur_width += gui.char_width;
- #endif
- }
- gui_mch_draw_part_cursor(cur_width, cur_height, cbg);
-
- #ifndef FEAT_GUI_MSWIN /* doesn't seem to work for MSWindows */
- gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col];
- gui_screenchar(LineOffset[gui.row] + gui.col,
- GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR,
- (guicolor_T)0, (guicolor_T)0, 0);
- #endif
- }
- gui.highlight_mask = old_hl_mask;
- }
- }
-
- #if defined(FEAT_MENU) || defined(PROTO)
- void
- gui_position_menu()
- {
- # if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF)
- if (gui.menu_is_active && gui.in_use)
- gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height);
- # endif
- }
- #endif
-
- /*
- * Position the various GUI components (text area, menu). The vertical
- * scrollbars are NOT handled here. See gui_update_scrollbars().
- */
- /*ARGSUSED*/
- static void
- gui_position_components(total_width)
- int total_width;
- {
- int text_area_x;
- int text_area_y;
- int text_area_width;
- int text_area_height;
-
- /* avoid that moving components around generates events */
- ++hold_gui_events;
-
- text_area_x = 0;
- if (gui.which_scrollbars[SBAR_LEFT])
- text_area_x += gui.scrollbar_width;
-
- text_area_y = 0;
- #if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON))
- gui.menu_width = total_width;
- if (gui.menu_is_active)
- text_area_y += gui.menu_height;
- #endif
- #if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN)
- if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
- text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
- #endif
-
- #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA))
- if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
- {
- # ifdef FEAT_GUI_ATHENA
- gui_mch_set_toolbar_pos(0, text_area_y,
- gui.menu_width, gui.toolbar_height);
- # endif
- text_area_y += gui.toolbar_height;
- }
- #endif
-
- text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2;
- text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2;
-
- gui_mch_set_text_area_pos(text_area_x,
- text_area_y,
- text_area_width,
- text_area_height
- #ifdef FEAT_XIM
- + xim_get_status_area_height()
- #endif
- );
- #ifdef FEAT_MENU
- gui_position_menu();
- #endif
- if (gui.which_scrollbars[SBAR_BOTTOM])
- gui_mch_set_scrollbar_pos(&gui.bottom_sbar,
- text_area_x,
- text_area_y + text_area_height,
- text_area_width,
- gui.scrollbar_height);
- gui.left_sbar_x = 0;
- gui.right_sbar_x = text_area_x + text_area_width;
-
- --hold_gui_events;
- }
-
- int
- gui_get_base_width()
- {
- int base_width;
-
- #ifdef FEAT_FOOTER
- base_width = 4 * gui.border_offset;
- #else
- base_width = 2 * gui.border_offset;
- #endif
- if (gui.which_scrollbars[SBAR_LEFT])
- base_width += gui.scrollbar_width;
- if (gui.which_scrollbars[SBAR_RIGHT])
- base_width += gui.scrollbar_width;
- return base_width;
- }
-
- int
- gui_get_base_height()
- {
- int base_height;
-
- base_height = 2 * gui.border_offset;
- if (gui.which_scrollbars[SBAR_BOTTOM])
- base_height += gui.scrollbar_height;
- #ifdef FEAT_GUI_GTK
- /* We can't take the sizes properly into account until anything is
- * realized. Therefore we recalculate all the values here just before
- * setting the size. (--mdcki) */
- #else
- # ifdef FEAT_MENU
- if (gui.menu_is_active)
- base_height += gui.menu_height;
- # endif
- # ifdef FEAT_TOOLBAR
- if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
- # if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR)
- base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT);
- # else
- base_height += gui.toolbar_height;
- # endif
- # endif
- # ifdef FEAT_FOOTER
- if (vim_strchr(p_go, GO_FOOTER) != NULL)
- base_height += gui.footer_height;
- # endif
- # if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU)
- base_height += gui_mch_text_area_extra_height();
- # endif
- #endif
- return base_height;
- }
-
- /*
- * Should be called after the GUI shell has been resized. Its arguments are
- * the new width and height of the shell in pixels.
- */
- void
- gui_resize_shell(pixel_width, pixel_height)
- int pixel_width;
- int pixel_height;
- {
- static int busy = FALSE;
-
- if (!gui.shell_created) /* ignore when still initializing */
- return;
-
- /*
- * Can't resize the screen while it is being redrawn. Remember the new
- * size and handle it later.
- */
- if (updating_screen || busy)
- {
- new_pixel_width = pixel_width;
- new_pixel_height = pixel_height;
- return;
- }
-
- again:
- busy = TRUE;
-
- #ifdef FEAT_GUI_BEOS
- vim_lock_screen();
- #endif
-
- /* Flush pending output before redrawing */
- out_flush();
-
- gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width;
- gui.num_rows = (pixel_height - gui_get_base_height()
- #if !defined(FEAT_GUI_PHOTON) && !defined(FEAT_GUI_MSWIN)
- + (gui.char_height / 2)
- #endif
- ) / gui.char_height;
-
- gui_position_components(pixel_width);
-
- gui_reset_scroll_region();
- /*
- * At the "more" and ":confirm" prompt there is no redraw, put the cursor
- * at the last line here (why does it have to be one row too low?).
- */
- if (State == ASKMORE || State == CONFIRM)
- gui.row = gui.num_rows;
-
- if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns)
- shell_resized();
-
- #ifdef FEAT_GUI_BEOS
- vim_unlock_screen();
- #endif
-
- gui_update_scrollbars(TRUE);
- gui_update_cursor(FALSE, TRUE);
- #ifdef FEAT_XIM
- xim_set_status_area();
- #endif
-
- busy = FALSE;
- /*
- * We could have been called again while redrawing the screen.
- * Need to do it all again with the latest size then.
- */
- if (new_pixel_height)
- {
- pixel_width = new_pixel_width;
- pixel_height = new_pixel_height;
- new_pixel_width = 0;
- new_pixel_height = 0;
- goto again;
- }
- }
-
- /*
- * Check if gui_resize_shell() must be called.
- */
- void
- gui_may_resize_shell()
- {
- int h, w;
-
- if (new_pixel_height)
- {
- /* careful: gui_resize_shell() may postpone the resize again if we
- * were called indirectly by it */
- w = new_pixel_width;
- h = new_pixel_height;
- new_pixel_width = 0;
- new_pixel_height = 0;
- gui_resize_shell(w, h);
- }
- }
-
- int
- gui_get_shellsize()
- {
- Rows = gui.num_rows;
- Columns = gui.num_cols;
- return OK;
- }
-
- /*
- * Set the size of the Vim shell according to Rows and Columns.
- */
- /*ARGSUSED*/
- void
- gui_set_shellsize(mustset, fit_to_display)
- int mustset; /* set by the user */
- int fit_to_display;
- {
- int base_width;
- int base_height;
- int width;
- int height;
- int min_width;
- int min_height;
- int screen_w;
- int screen_h;
-
- if (!gui.shell_created)
- return;
-
- #ifdef MSWIN
- /* If not setting to a user specified size and maximized, calculate the
- * number of characters that fit in the maximized window. */
- if (!mustset && gui_mch_maximized())
- {
- gui_mch_newfont();
- return;
- }
- #endif
-
- base_width = gui_get_base_width();
- base_height = gui_get_base_height();
- #ifdef USE_SUN_WORKSHOP
- if (!mustset && usingSunWorkShop
- && workshop_get_width_height(&width, &height))
- {
- Columns = (width - base_width + gui.char_width - 1) / gui.char_width;
- Rows = (height - base_height + gui.char_height - 1) / gui.char_height;
- }
- else
- #endif
- {
- width = Columns * gui.char_width + base_width;
- height = Rows * gui.char_height + base_height;
- }
-
- if (fit_to_display)
- {
- gui_mch_get_screen_dimensions(&screen_w, &screen_h);
- if (width > screen_w)
- {
- Columns = (screen_w - base_width) / gui.char_width;
- if (Columns < MIN_COLUMNS)
- Columns = MIN_COLUMNS;
- width = Columns * gui.char_width + base_width;
- }
- if (height > screen_h)
- {
- Rows = (screen_h - base_height) / gui.char_height;
- check_shellsize();
- height = Rows * gui.char_height + base_height;
- }
- }
- gui.num_cols = Columns;
- gui.num_rows = Rows;
-
- min_width = base_width + MIN_COLUMNS * gui.char_width;
- min_height = base_height + MIN_LINES * gui.char_height;
-
- gui_mch_set_shellsize(width, height, min_width, min_height,
- base_width, base_height);
- gui_position_components(width);
- gui_update_scrollbars(TRUE);
- gui_reset_scroll_region();
- }
-
- /*
- * Called when Rows and/or Columns has changed.
- */
- void
- gui_new_shellsize()
- {
- gui_reset_scroll_region();
- }
-
- /*
- * Make scroll region cover whole screen.
- */
- void
- gui_reset_scroll_region()
- {
- gui.scroll_region_top = 0;
- gui.scroll_region_bot = gui.num_rows - 1;
- gui.scroll_region_left = 0;
- gui.scroll_region_right = gui.num_cols - 1;
- }
-
- void
- gui_start_highlight(mask)
- int mask;
- {
- if (mask > HL_ALL) /* highlight code */
- gui.highlight_mask = mask;
- else /* mask */
- gui.highlight_mask |= mask;
- }
-
- void
- gui_stop_highlight(mask)
- int mask;
- {
- if (mask > HL_ALL) /* highlight code */
- gui.highlight_mask = HL_NORMAL;
- else /* mask */
- gui.highlight_mask &= ~mask;
- }
-
- /*
- * Clear a rectangular region of the screen from text pos (row1, col1) to
- * (row2, col2) inclusive.
- */
- void
- gui_clear_block(row1, col1, row2, col2)
- int row1;
- int col1;
- int row2;
- int col2;
- {
- /* Clear the selection if we are about to write over it */
- clip_may_clear_selection(row1, row2);
-
- gui_mch_clear_block(row1, col1, row2, col2);
-
- /* Invalidate cursor if it was in this block */
- if ( gui.cursor_row >= row1 && gui.cursor_row <= row2
- && gui.cursor_col >= col1 && gui.cursor_col <= col2)
- gui.cursor_is_valid = FALSE;
- }
-
- /*
- * Write code to update the cursor later. This avoids the need to flush the
- * output buffer before calling gui_update_cursor().
- */
- void
- gui_update_cursor_later()
- {
- OUT_STR(IF_EB("\033|s", ESC_STR "|s"));
- }
-
- void
- gui_write(s, len)
- char_u *s;
- int len;
- {
- char_u *p;
- int arg1 = 0, arg2 = 0;
- /* this doesn't make sense, disabled until someone can explain why it
- * would be needed */
- #if 0 && (defined(RISCOS) || defined(WIN16))
- int force_cursor = TRUE; /* JK230798, stop Vim being smart or
- our redraw speed will suffer */
- #else
- int force_cursor = FALSE; /* force cursor update */
- #endif
- int force_scrollbar = FALSE;
- static win_T *old_curwin = NULL;
-
- /* #define DEBUG_GUI_WRITE */
- #ifdef DEBUG_GUI_WRITE
- {
- int i;
- char_u *str;
-
- printf("gui_write(%d):\n ", len);
- for (i = 0; i < len; i++)
- if (s[i] == ESC)
- {
- if (i != 0)
- printf("\n ");
- printf("<ESC>");
- }
- else
- {
- str = transchar(s[i]);
- if (str[0] && str[1])
- printf("<%s>", (char *)str);
- else
- printf("%s", (char *)str);
- }
- printf("\n");
- }
- #endif
- while (len)
- {
- if (s[0] == ESC && s[1] == '|')
- {
- p = s + 2;
- if (isdigit(*p))
- {
- arg1 = getdigits(&p);
- if (p > s + len)
- break;
- if (*p == ';')
- {
- ++p;
- arg2 = getdigits(&p);
- if (p > s + len)
- break;
- }
- }
- switch (*p)
- {
- case 'C': /* Clear screen */
- clip_scroll_selection(9999);
- gui_mch_clear_all();
- gui.cursor_is_valid = FALSE;
- force_scrollbar = TRUE;
- break;
- case 'M': /* Move cursor */
- gui_set_cursor(arg1, arg2);
- break;
- case 's': /* force cursor (shape) update */
- force_cursor = TRUE;
- break;
- case 'R': /* Set scroll region */
- if (arg1 < arg2)
- {
- gui.scroll_region_top = arg1;
- gui.scroll_region_bot = arg2;
- }
- else
- {
- gui.scroll_region_top = arg2;
- gui.scroll_region_bot = arg1;
- }
- break;
- #ifdef FEAT_VERTSPLIT
- case 'V': /* Set vertical scroll region */
- if (arg1 < arg2)
- {
- gui.scroll_region_left = arg1;
- gui.scroll_region_right = arg2;
- }
- else
- {
- gui.scroll_region_left = arg2;
- gui.scroll_region_right = arg1;
- }
- break;
- #endif
- case 'd': /* Delete line */
- gui_delete_lines(gui.row, 1);
- break;
- case 'D': /* Delete lines */
- gui_delete_lines(gui.row, arg1);
- break;
- case 'i': /* Insert line */
- gui_insert_lines(gui.row, 1);
- break;
- case 'I': /* Insert lines */
- gui_insert_lines(gui.row, arg1);
- break;
- case '$': /* Clear to end-of-line */
- gui_clear_block(gui.row, gui.col, gui.row,
- (int)Columns - 1);
- break;
- case 'h': /* Turn on highlighting */
- gui_start_highlight(arg1);
- break;
- case 'H': /* Turn off highlighting */
- gui_stop_highlight(arg1);
- break;
- case 'f': /* flash the window (visual bell) */
- gui_mch_flash(arg1 == 0 ? 20 : arg1);
- break;
- default:
- p = s + 1; /* Skip the ESC */
- break;
- }
- len -= (int)(++p - s);
- s = p;
- }
- else if (
- #ifdef EBCDIC
- CtrlChar(s[0]) != 0 /* Ctrl character */
- #else
- s[0] < 0x20 /* Ctrl character */
- #endif
- #ifdef FEAT_SIGN_ICONS
- && s[0] != SIGN_BYTE
- #endif
- )
- {
- if (s[0] == '\n') /* NL */
- {
- gui.col = 0;
- if (gui.row < gui.scroll_region_bot)
- gui.row++;
- else
- gui_delete_lines(gui.scroll_region_top, 1);
- }
- else if (s[0] == '\r') /* CR */
- {
- gui.col = 0;
- }
- else if (s[0] == '\b') /* Backspace */
- {
- if (gui.col)
- --gui.col;
- }
- else if (s[0] == Ctrl_L) /* cursor-right */
- {
- ++gui.col;
- }
- else if (s[0] == Ctrl_G) /* Beep */
- {
- gui_mch_beep();
- }
- /* Other Ctrl character: shouldn't happen! */
-
- --len; /* Skip this char */
- ++s;
- }
- else
- {
- p = s;
- while (len > 0 && (
- #ifdef EBCDIC
- CtrlChar(*p) == 0
- #else
- *p >= 0x20
- #endif
- #ifdef FEAT_SIGN_ICONS
- || *p == SIGN_BYTE
- #endif
- ))
- {
- len--;
- p++;
- }
- gui_outstr(s, (int)(p - s));
- s = p;
- }
- }
-
- /* Don't update cursor when ScreenLines[] is invalid (busy scrolling). */
- if (can_update_cursor && force_cursor)
- gui_update_cursor(force_cursor, TRUE);
-
- /* When switching to another window the dragging must have stopped.
- * Required for GTK, dragged_sb isn't reset. */
- if (old_curwin != curwin)
- gui.dragged_sb = SBAR_NONE;
-
- /* Update the scrollbars after clearing the screen or when switched
- * to another window.
- * Update the horizontal scrollbar always, it's difficult to check all
- * situations where it might change. */
- if (force_scrollbar || old_curwin != curwin)
- gui_update_scrollbars(force_scrollbar);
- else
- gui_update_horiz_scrollbar(FALSE);
- old_curwin = curwin;
-
- /*
- * We need to make sure this is cleared since Athena doesn't tell us when
- * he is done dragging. Do the same for GTK.
- */
- #if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK)
- gui.dragged_sb = SBAR_NONE;
- #endif
-
- gui_mch_flush(); /* In case vim decides to take a nap */
- }
-
- /*
- * When ScreenLines[] is invalid, updating the cursor should not be done, it
- * produces wrong results. Call gui_dont_update_cursor() before that code and
- * gui_can_update_cursor() afterwards.
- */
- void
- gui_dont_update_cursor()
- {
- can_update_cursor = FALSE;
- }
-
- void
- gui_can_update_cursor()
- {
- can_update_cursor = TRUE;
- /* No need to update the cursor right now, there is always more output
- * after scrolling. */
- }
-
- static void
- gui_outstr(s, len)
- char_u *s;
- int len;
- {
- int this_len;
- #ifdef FEAT_MBYTE
- int cells;
- #endif
-
- if (len == 0)
- return;
-
- if (len < 0)
- len = (int)STRLEN(s);
-
- while (len > 0)
- {
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- {
- /* Find out how many chars fit in the current line. */
- cells = 0;
- for (this_len = 0; this_len < len; )
- {
- cells += (*mb_ptr2cells)(s + this_len);
- if (gui.col + cells > Columns)
- break;
- this_len += (*mb_ptr2len_check)(s + this_len);
- }
- if (this_len > len)
- this_len = len; /* don't include following composing char */
- }
- else
- #endif
- if (gui.col + len > Columns)
- this_len = Columns - gui.col;
- else
- this_len = len;
-
- gui_outstr_nowrap(s, this_len, 0, (guicolor_T)0, (guicolor_T)0, 0);
- s += this_len;
- len -= this_len;
- #ifdef FEAT_MBYTE
- /* fill up for a double-width char that doesn't fit. */
- if (len > 0 && gui.col < Columns)
- gui_outstr_nowrap((char_u *)" ", 1,
- 0, (guicolor_T)0, (guicolor_T)0, 0);
- #endif
- /* The cursor may wrap to the next line. */
- if (gui.col >= Columns)
- {
- gui.col = 0;
- gui.row++;
- }
- }
- }
-
- /*
- * Output one character (may be one or two display cells).
- * Caller must check for valid "off".
- */
- static void
- gui_screenchar(off, flags, fg, bg, back)
- int off; /* Offset from start of screen */
- int flags;
- guicolor_T fg, bg; /* colors for cursor */
- int back; /* backup this many chars when using bold trick */
- {
- #ifdef FEAT_MBYTE
- char_u buf[MB_MAXBYTES + 1];
-
- /* Don't draw right halve of a double-width UTF-8 char. "cannot happen" */
- if (enc_utf8 && ScreenLines[off] == 0)
- return;
- if (enc_utf8 && ScreenLinesUC[off] != 0)
- /* Draw UTF-8 multi-byte character. */
- gui_outstr_nowrap(buf,
- utfc_char2bytes(off, buf),
- flags, fg, bg, 0);
- else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
- {
- buf[0] = ScreenLines[off];
- buf[1] = ScreenLines2[off];
- gui_outstr_nowrap(buf, 2, flags, fg, bg, 0);
- }
- else
- /* Draw non-multi-byte character or DBCS character. */
- gui_outstr_nowrap(ScreenLines + off,
- enc_dbcs ? (*mb_ptr2len_check)(ScreenLines + off) : 1,
- flags, fg, bg, back);
- #else
- gui_outstr_nowrap(ScreenLines + off,
- 1,
- flags, fg, bg, back);
- #endif
- }
-
- /*
- * Output the given string at the current cursor position. If the string is
- * too long to fit on the line, then it is truncated.
- * "flags":
- * GUI_MON_IS_CURSOR should only be used when this function is being called to
- * actually draw (an inverted) cursor.
- * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparant
- * background.
- */
- void
- gui_outstr_nowrap(s, len, flags, fg, bg, back)
- char_u *s;
- int len;
- int flags;
- guicolor_T fg, bg; /* colors for cursor */
- int back; /* backup this many chars when using bold trick */
- {
- long_u highlight_mask;
- long_u hl_mask_todo;
- guicolor_T fg_color;
- guicolor_T bg_color;
- #ifndef MSWIN16_FASTTEXT
- GuiFont font = NOFONT;
- # ifdef FEAT_XFONTSET
- GuiFontset fontset = NOFONTSET;
- # endif
- #endif
- attrentry_T *aep = NULL;
- int draw_flags;
- int col = gui.col;
- #ifdef FEAT_SIGN_ICONS
- int draw_sign = FALSE;
- #endif
-
- if (len < 0)
- len = (int)STRLEN(s);
- if (len == 0)
- return;
-
- #ifdef FEAT_SIGN_ICONS
- if (*s == SIGN_BYTE)
- {
- /* draw spaces instead */
- s = (char_u *)" ";
- if (len == 1 && col > 0)
- --col;
- len = 2;
- draw_sign = TRUE;
- highlight_mask = 0;
- }
- else
- #endif
- if (gui.highlight_mask > HL_ALL)
- {
- aep = syn_gui_attr2entry(gui.highlight_mask);
- if (aep == NULL) /* highlighting not set */
- highlight_mask = 0;
- else
- highlight_mask = aep->ae_attr;
- }
- else
- highlight_mask = gui.highlight_mask;
- hl_mask_todo = highlight_mask;
-
- #ifndef MSWIN16_FASTTEXT
- /* Set the font */
- if (aep != NULL && aep->ae_u.gui.font != NOFONT)
- font = aep->ae_u.gui.font;
- # ifdef FEAT_XFONTSET
- else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET)
- fontset = aep->ae_u.gui.fontset;
- # endif
- else
- {
- # ifdef FEAT_XFONTSET
- if (gui.fontset != NOFONTSET)
- fontset = gui.fontset;
- else
- # endif
- if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
- {
- if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT)
- {
- font = gui.boldital_font;
- hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC);
- }
- else if (gui.bold_font != NOFONT)
- {
- font = gui.bold_font;
- hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT);
- }
- else
- font = gui.norm_font;
- }
- else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT)
- {
- font = gui.ital_font;
- hl_mask_todo &= ~HL_ITALIC;
- }
- else
- font = gui.norm_font;
- }
- # ifdef FEAT_XFONTSET
- if (fontset != NOFONTSET)
- gui_mch_set_fontset(fontset);
- else
- # endif
- gui_mch_set_font(font);
- #endif
-
- draw_flags = 0;
-
- /* Set the color */
- bg_color = gui.back_pixel;
- if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus)
- {
- draw_flags |= DRAW_CURSOR;
- fg_color = fg;
- bg_color = bg;
- }
- else if (aep != NULL)
- {
- fg_color = aep->ae_u.gui.fg_color;
- if (fg_color == 0)
- fg_color = gui.norm_pixel;
- else
- --fg_color;
- bg_color = aep->ae_u.gui.bg_color;
- if (bg_color == 0)
- bg_color = gui.back_pixel;
- else
- --bg_color;
- }
- else
- fg_color = gui.norm_pixel;
-
- if (highlight_mask & (HL_INVERSE | HL_STANDOUT))
- {
- #if defined(AMIGA) || defined(RISCOS)
- gui_mch_set_colors(bg_color, fg_color);
- #else
- gui_mch_set_fg_color(bg_color);
- gui_mch_set_bg_color(fg_color);
- #endif
- }
- else
- {
- #if defined(AMIGA) || defined(RISCOS)
- gui_mch_set_colors(fg_color, bg_color);
- #else
- gui_mch_set_fg_color(fg_color);
- gui_mch_set_bg_color(bg_color);
- #endif
- }
-
- /* Clear the selection if we are about to write over it */
- if (!(flags & GUI_MON_NOCLEAR))
- clip_may_clear_selection(gui.row, gui.row);
-
-
- #ifndef MSWIN16_FASTTEXT
- /* If there's no bold font, then fake it */
- if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
- draw_flags |= DRAW_BOLD;
- #endif
-
- /*
- * When drawing bold or italic characters the spill-over from the left
- * neighbor may be destroyed. Backup to start redrawing just after a
- * blank.
- */
- if ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC))
- {
- s -= back;
- len += back;
- col -= back;
- }
-
- #ifdef RISCOS
- /* If there's no italic font, then fake it */
- if (hl_mask_todo & HL_ITALIC)
- draw_flags |= DRAW_ITALIC;
-
- /* Do we underline the text? */
- if (hl_mask_todo & HL_UNDERLINE)
- draw_flags |= DRAW_UNDERL;
- #else
- /* Do we underline the text? */
- if ((hl_mask_todo & HL_UNDERLINE)
- # ifndef MSWIN16_FASTTEXT
- || (hl_mask_todo & HL_ITALIC)
- # endif
- )
- draw_flags |= DRAW_UNDERL;
- #endif
-
- /* Do we draw transparantly? */
- if (flags & GUI_MON_TRS_CURSOR)
- draw_flags |= DRAW_TRANSP;
-
- /*
- * Draw the text.
- */
- #ifdef FEAT_MBYTE
- if (enc_utf8)
- {
- int start; /* index of bytes to be drawn */
- int cells; /* cellwidth of bytes to be drawn */
- int thislen; /* length of bytes to be drawin */
- int cn; /* cellwidth of current char */
- int i; /* index of current char */
- int c; /* current char value */
- int cl; /* byte length of current char */
- int comping; /* current char is composing */
- int scol = col; /* screen column */
- int dowide; /* use 'guifontwide' */
-
- /* Break the string at a composing character, it has to be drawn on
- * top of the previous character. */
- start = 0;
- cells = 0;
- for (i = 0; i < len; i += cl)
- {
- c = utf_ptr2char(s + i);
- cn = utf_char2cells(c);
- if (cn > 1
- # ifdef FEAT_XFONTSET
- && fontset == NOFONTSET
- # endif
- && gui.wide_font != NOFONT)
- dowide = TRUE;
- else
- dowide = FALSE;
- comping = utf_iscomposing(c);
- if (!comping) /* count cells from non-composing chars */
- cells += cn;
- cl = utf_ptr2len_check(s + i);
- if (cl == 0) /* hit end of string */
- len = i + cl; /* len must be wrong "cannot happen" */
-
- /* print the string so far if it's the last character or there is
- * a composing character. */
- if (i + cl >= len || (comping && i > start)
- #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
- || (cn > 1
- # ifdef FEAT_XFONTSET
- /* No fontset: At least draw char after wide char at
- * right position. */
- && fontset == NOFONTSET
- # endif
- )
- #endif
- )
- {
- if (comping || dowide)
- thislen = i - start;
- else
- thislen = i - start + cl;
- if (thislen > 0)
- {
- gui_mch_draw_string(gui.row, scol, s + start, thislen,
- draw_flags);
- start += thislen;
- }
- scol += cells;
- cells = 0;
- if (dowide)
- {
- gui_mch_set_font(gui.wide_font);
- gui_mch_draw_string(gui.row, scol - cn,
- s + start, cl, draw_flags);
- gui_mch_set_font(font);
- start += cl;
- }
-
- #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
- /* No fontset: draw a space to fill the gap after a wide char */
- if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0
- # ifdef FEAT_XFONTSET
- && fontset == NOFONTSET
- # endif
- && !dowide)
- gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ",
- 1, draw_flags);
- #endif
- }
- /* Draw a composing char on top of the previous char. */
- if (comping)
- {
- gui_mch_draw_string(gui.row, scol - cn, s + i, cl,
- draw_flags | DRAW_TRANSP);
- start = i + cl;
- }
- }
- /* The stuff below assumes "len" is the length in screen columns. */
- len = scol - col;
- }
- else
- #endif
- {
- gui_mch_draw_string(gui.row, col, s, len, draw_flags);
- #ifdef FEAT_MBYTE
- if (enc_dbcs == DBCS_JPNU)
- {
- int clen = 0;
- int i;
-
- /* Get the length in display cells, this can be different from the
- * number of bytes for "euc-jp". */
- for (i = 0; i < len; i += (*mb_ptr2len_check)(s + i))
- clen += (*mb_ptr2cells)(s + i);
- len = clen;
- }
- #endif
- }
-
- if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR)))
- gui.col = col + len;
-
- /* May need to invert it when it's part of the selection. */
- if (flags & GUI_MON_NOCLEAR)
- clip_may_redraw_selection(gui.row, col, len);
-
- if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR)))
- {
- /* Invalidate the old physical cursor position if we wrote over it */
- if (gui.cursor_row == gui.row
- && gui.cursor_col >= col
- && gui.cursor_col < col + len)
- gui.cursor_is_valid = FALSE;
- }
-
- #ifdef FEAT_SIGN_ICONS
- if (draw_sign)
- /* Draw the sign on top of the spaces. */
- gui_mch_drawsign(gui.row, col, gui.highlight_mask);
- #endif
- }
-
- /*
- * Un-draw the cursor. Actually this just redraws the character at the given
- * position. The character just before it too, for when it was in bold.
- */
- void
- gui_undraw_cursor()
- {
- if (gui.cursor_is_valid)
- {
- #ifdef FEAT_HANGULIN
- if (composing_hangul
- && gui.col == gui.cursor_col && gui.row == gui.cursor_row)
- gui_outstr_nowrap(composing_hangul_buffer, 2,
- GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR,
- gui.norm_pixel, gui.back_pixel, 0);
- else
- {
- #endif
- if (gui_redraw_block(gui.cursor_row, gui.cursor_col,
- gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR)
- && gui.cursor_col > 0)
- (void)gui_redraw_block(gui.cursor_row, gui.cursor_col - 1,
- gui.cursor_row, gui.cursor_col - 1, GUI_MON_NOCLEAR);
- #ifdef FEAT_HANGULIN
- if (composing_hangul)
- (void)gui_redraw_block(gui.cursor_row, gui.cursor_col + 1,
- gui.cursor_row, gui.cursor_col + 1, GUI_MON_NOCLEAR);
- }
- #endif
- }
- }
-
- void
- gui_redraw(x, y, w, h)
- int x;
- int y;
- int w;
- int h;
- {
- int row1, col1, row2, col2;
-
- row1 = Y_2_ROW(y);
- col1 = X_2_COL(x);
- row2 = Y_2_ROW(y + h - 1);
- col2 = X_2_COL(x + w - 1);
-
- (void)gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR);
-
- /*
- * We may need to redraw the cursor, but don't take it upon us to change
- * its location after a scroll.
- * (maybe be more strict even and test col too?)
- * These things may be outside the update/clipping region and reality may
- * not reflect Vims internal ideas if these operations are clipped away.
- */
- if (gui.row == gui.cursor_row)
- gui_update_cursor(FALSE, TRUE);
- }
-
- /*
- * Draw a rectangular block of characters, from row1 to row2 (inclusive) and
- * from col1 to col2 (inclusive).
- * Return TRUE when the character before the first drawn character has
- * different attributes (may have to be redrawn too).
- */
- int
- gui_redraw_block(row1, col1, row2, col2, flags)
- int row1;
- int col1;
- int row2;
- int col2;
- int flags; /* flags for gui_outstr_nowrap() */
- {
- int old_row, old_col;
- long_u old_hl_mask;
- int off;
- char_u first_attr;
- int idx, len;
- int back;
- int retval = FALSE;
- #ifdef FEAT_MBYTE
- int orig_col1, orig_col2;
- #endif
-
- /* Don't try to update when ScreenLines is not valid */
- if (!screen_cleared || ScreenLines == NULL)
- return retval;
-
- /* Don't try to draw outside the shell! */
- /* Check everything, strange values may be caused by a big border width */
- col1 = check_col(col1);
- col2 = check_col(col2);
- row1 = check_row(row1);
- row2 = check_row(row2);
-
- /* Remember where our cursor was */
- old_row = gui.row;
- old_col = gui.col;
- old_hl_mask = gui.highlight_mask;
- #ifdef FEAT_MBYTE
- orig_col1 = col1;
- orig_col2 = col2;
- #endif
-
- for (gui.row = row1; gui.row <= row2; gui.row++)
- {
- #ifdef FEAT_MBYTE
- /* When only half of a double-wide character is in the block, include
- * the other half. */
- col1 = orig_col1;
- col2 = orig_col2;
- off = LineOffset[gui.row];
- if (enc_dbcs != 0)
- {
- if (col1 > 0)
- col1 -= dbcs_screen_head_off(ScreenLines + off,
- ScreenLines + off + col1);
- col2 += dbcs_screen_tail_off(ScreenLines + off,
- ScreenLines + off + col2);
- }
- else if (enc_utf8)
- {
- if (ScreenLines[off + col1] == 0)
- --col1;
- }
- #endif
- gui.col = col1;
- off = LineOffset[gui.row] + gui.col;
- len = col2 - col1 + 1;
-
- /* Find how many chars back this highlighting starts, or where a space
- * is. Needed for when the bold trick is used */
- for (back = 0; back < col1; ++back)
- if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off]
- || ScreenLines[off - 1 - back] == ' ')
- break;
- retval = (col1 > 0 && ScreenAttrs[off - 1] != 0 && back == 0);
-
- /* break it up in strings of characters with the same attributes */
- /* print UTF-8 characters individually */
- while (len > 0)
- {
- first_attr = ScreenAttrs[off];
- gui.highlight_mask = first_attr;
- #ifdef FEAT_MBYTE
- if (enc_utf8 && ScreenLinesUC[off] != 0)
- {
- /* output multi-byte character separately */
- gui_screenchar(off, flags, (guicolor_T)0, (guicolor_T)0, back);
- ++off;
- --len;
- if (ScreenLines[off] == 0)
- {
- ++off;
- --len;
- }
- }
- else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
- {
- /* output double-byte, single-width character separately */
- gui_screenchar(off, flags, (guicolor_T)0, (guicolor_T)0, back);
- ++off;
- --len;
- }
- else
- #endif
- {
- for (idx = 0; len > 0 && ScreenAttrs[off + idx] == first_attr;
- idx++)
- {
- #ifdef FEAT_MBYTE
- /* Stop at a multi-byte Unicode character. */
- if (enc_utf8 && ScreenLinesUC[off + idx] != 0)
- break;
- if (enc_dbcs == DBCS_JPNU)
- {
- /* Stop at a double-byte single-width char. */
- if (ScreenLines[off + idx] == 0x8e)
- break;
- if (len > 1 && (*mb_ptr2len_check)(ScreenLines
- + off + idx) == 2)
- {
- ++idx; /* skip second byte of double-byte char */
- --len;
- }
- }
- #endif
- --len;
- }
- gui_outstr_nowrap(ScreenLines + off, idx, flags,
- (guicolor_T)0, (guicolor_T)0, back);
- off += idx;
- }
- back = 0;
- }
- }
-
- /* Put the cursor back where it was */
- gui.row = old_row;
- gui.col = old_col;
- gui.highlight_mask = old_hl_mask;
-
- return retval;
- }
-
- static void
- gui_delete_lines(row, count)
- int row;
- int count;
- {
- if (count <= 0)
- return;
-
- if (row + count > gui.scroll_region_bot)
- /* Scrolled out of region, just blank the lines out */
- gui_clear_block(row, gui.scroll_region_left,
- gui.scroll_region_bot, gui.scroll_region_right);
- else
- {
- gui_mch_delete_lines(row, count);
-
- /* If the cursor was in the deleted lines it's now gone. If the
- * cursor was in the scrolled lines adjust its position. */
- if (gui.cursor_row >= row
- && gui.cursor_col >= gui.scroll_region_left
- && gui.cursor_col <= gui.scroll_region_right)
- {
- if (gui.cursor_row < row + count)
- gui.cursor_is_valid = FALSE;
- else if (gui.cursor_row <= gui.scroll_region_bot)
- gui.cursor_row -= count;
- }
- }
- }
-
- static void
- gui_insert_lines(row, count)
- int row;
- int count;
- {
- if (count <= 0)
- return;
-
- if (row + count > gui.scroll_region_bot)
- /* Scrolled out of region, just blank the lines out */
- gui_clear_block(row, gui.scroll_region_left,
- gui.scroll_region_bot, gui.scroll_region_right);
- else
- {
- gui_mch_insert_lines(row, count);
-
- if (gui.cursor_row >= gui.row
- && gui.cursor_col >= gui.scroll_region_left
- && gui.cursor_col <= gui.scroll_region_right)
- {
- if (gui.cursor_row <= gui.scroll_region_bot - count)
- gui.cursor_row += count;
- else if (gui.cursor_row <= gui.scroll_region_bot)
- gui.cursor_is_valid = FALSE;
- }
- }
- }
-
- /*
- * The main GUI input routine. Waits for a character from the keyboard.
- * wtime == -1 Wait forever.
- * wtime == 0 Don't wait.
- * wtime > 0 Wait wtime milliseconds for a character.
- * Returns OK if a character was found to be available within the given time,
- * or FAIL otherwise.
- */
- int
- gui_wait_for_chars(wtime)
- long wtime;
- {
- int retval;
- #ifdef FEAT_AUTOCMD
- static int once_already = 0;
- #endif
-
- /*
- * If we're going to wait a bit, update the menus and mouse shape for the
- * current State.
- */
- if (wtime != 0)
- {
- #ifdef FEAT_MENU
- gui_update_menus(0);
- #endif
- }
-
- gui_mch_update();
- if (!vim_is_input_buf_empty()) /* Got char, return immediately */
- {
- #ifdef FEAT_AUTOCMD
- once_already = 0;
- #endif
- return OK;
- }
- if (wtime == 0) /* Don't wait for char */
- {
- #ifdef FEAT_AUTOCMD
- once_already = 0;
- #endif
- return FAIL;
- }
-
- /* Before waiting, flush any output to the screen. */
- gui_mch_flush();
-
- if (wtime > 0)
- {
- /* Blink when waiting for a character. Probably only does something
- * for showmatch() */
- gui_mch_start_blink();
- retval = gui_mch_wait_for_chars(wtime);
- gui_mch_stop_blink();
- #ifdef FEAT_AUTOCMD
- once_already = 0;
- #endif
- return retval;
- }
-
- /*
- * While we are waiting indefenitely for a character, blink the cursor.
- */
- gui_mch_start_blink();
-
-
- #ifdef FEAT_AUTOCMD
- /* If there is no character available within 2 seconds (default),
- * write the autoscript file to disk */
- if (once_already == 2)
- {
- updatescript(0);
- retval = gui_mch_wait_for_chars(-1L);
- once_already = 0;
- }
- else if (once_already == 1)
- {
- setcursor();
- once_already = 2;
- retval = 0;
- }
- else
- #endif
- if (gui_mch_wait_for_chars(p_ut) != OK)
- {
- #ifdef FEAT_AUTOCMD
- if (has_cursorhold() && get_real_state() == NORMAL_BUSY)
- {
- apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
- update_screen(VALID);
-
- once_already = 1;
- retval = 0;
- }
- else
- #endif
- {
- updatescript(0);
- retval = gui_mch_wait_for_chars(-1L);
- #ifdef FEAT_AUTOCMD
- once_already = 0;
- #endif
- }
- }
- else
- retval = OK;
-
- gui_mch_stop_blink();
- return retval;
- }
-
- /*
- * Generic mouse support function. Add a mouse event to the input buffer with
- * the given properties.
- * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT,
- * MOUSE_DRAG, or MOUSE_RELEASE.
- * MOUSE_4 and MOUSE_5 are used for a scroll wheel.
- * x, y --- Coordinates of mouse in pixels.
- * repeated_click --- TRUE if this click comes only a short time after a
- * previous click.
- * modifiers --- Bit field which may be any of the following modifiers
- * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT.
- * This function will ignore drag events where the mouse has not moved to a new
- * character.
- */
- void
- gui_send_mouse_event(button, x, y, repeated_click, modifiers)
- int button;
- int x;
- int y;
- int repeated_click;
- int_u modifiers;
- {
- static int prev_row = 0, prev_col = 0;
- static int prev_button = -1;
- static int num_clicks = 1;
- char_u string[6];
- int row, col;
- #ifdef FEAT_CLIPBOARD
- int checkfor;
- int did_clip = FALSE;
- #endif
-
- /*
- * Scrolling may happen at any time, also while a selection is present.
- */
- if (button == MOUSE_4 || button == MOUSE_5)
- {
- /* Don't put events in the input queue now. */
- if (hold_gui_events)
- return;
-
- string[3] = CSI;
- string[4] = KS_EXTRA;
- string[5] = (int)(button == MOUSE_4 ? KE_MOUSEDOWN : KE_MOUSEUP);
- if (modifiers == 0)
- add_to_input_buf(string + 3, 3);
- else
- {
- string[0] = CSI;
- string[1] = KS_MODIFIER;
- string[2] = 0;
- if (modifiers & MOUSE_SHIFT)
- string[2] |= MOD_MASK_SHIFT;
- if (modifiers & MOUSE_CTRL)
- string[2] |= MOD_MASK_CTRL;
- if (modifiers & MOUSE_ALT)
- string[2] |= MOD_MASK_ALT;
- add_to_input_buf(string, 6);
- }
- return;
- }
-
- #ifdef FEAT_CLIPBOARD
- /* If a clipboard selection is in progress, handle it */
- if (clip_star.state == SELECT_IN_PROGRESS)
- {
- clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click);
- return;
- }
-
- /* Determine which mouse settings to look for based on the current mode */
- switch (get_real_state())
- {
- case NORMAL_BUSY:
- case OP_PENDING:
- case NORMAL: checkfor = MOUSE_NORMAL; break;
- case VISUAL: checkfor = MOUSE_VISUAL; break;
- case REPLACE:
- case REPLACE+LANGMAP:
- #ifdef FEAT_VREPLACE
- case VREPLACE:
- case VREPLACE+LANGMAP:
- #endif
- case INSERT:
- case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break;
- case HITRETURN: checkfor = MOUSE_RETURN; break;
-
- /*
- * On the command line, use the clipboard selection on all lines
- * but the command line. But not when pasting.
- */
- case CMDLINE:
- case CMDLINE+LANGMAP:
- if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE)
- checkfor = MOUSE_NONE;
- else
- checkfor = MOUSE_COMMAND;
- break;
-
- default:
- checkfor = MOUSE_NONE;
- break;
- };
-
- /*
- * Allow clipboard selection of text on the command line in "normal"
- * modes. Don't do this when dragging the status line, or extending a
- * Visual selection.
- */
- if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT))
- && Y_2_ROW(y) >= topframe->fr_height
- && button != MOUSE_DRAG
- # ifdef FEAT_MOUSESHAPE
- && !drag_status_line
- # ifdef FEAT_VERTSPLIT
- && !drag_sep_line
- # endif
- # endif
- )
- checkfor = MOUSE_NONE;
-
- /*
- * Use modeless selection when holding CTRL and SHIFT pressed.
- */
- if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT))
- checkfor = MOUSE_NONEF;
-
- /*
- * In Ex mode, always use modeless selection.
- */
- if (exmode_active)
- checkfor = MOUSE_NONE;
-
- /*
- * If the mouse settings say to not use the mouse, use the modeless
- * selection. But if Visual is active, assume that only the Visual area
- * will be selected.
- * Exception: On the command line, both the selection is used and a mouse
- * key is send.
- */
- if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND)
- {
- #ifdef FEAT_VISUAL
- /* Don't do modeless selection in Visual mode. */
- if (checkfor != MOUSE_NONEF && VIsual_active)
- return;
- #endif
-
- /*
- * When 'mousemodel' is "popup", shift-left is translated to right.
- * But not when also using Ctrl.
- */
- if (mouse_model_popup() && button == MOUSE_LEFT
- && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL))
- {
- button = MOUSE_RIGHT;
- modifiers &= ~ MOUSE_SHIFT;
- }
-
- /* If the selection is done, allow the right button to extend it.
- * If the selection is cleared, allow the right button to start it
- * from the cursor position. */
- if (button == MOUSE_RIGHT)
- {
- if (clip_star.state == SELECT_CLEARED)
- {
- if (State & CMDLINE)
- {
- col = msg_col;
- row = msg_row;
- }
- else
- {
- col = curwin->w_wcol;
- row = curwin->w_wrow + W_WINROW(curwin);
- }
- clip_start_selection(col, row, FALSE);
- }
- clip_process_selection(button, X_2_COL(x), Y_2_ROW(y),
- repeated_click);
- did_clip = TRUE;
- }
- /* Allow the left button to start the selection */
- else if (button ==
- # ifdef RISCOS
- /* Only start a drag on a drag event. Otherwise
- * we don't get a release event.
- */
- MOUSE_DRAG
- # else
- MOUSE_LEFT
- # endif
- )
- {
- clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click);
- did_clip = TRUE;
- }
- # ifdef RISCOS
- else if (button == MOUSE_LEFT)
- {
- clip_clear_selection();
- did_clip = TRUE;
- }
- # endif
-
- /* Always allow pasting */
- if (button != MOUSE_MIDDLE)
- {
- if (!mouse_has(checkfor) || button == MOUSE_RELEASE)
- return;
- if (checkfor != MOUSE_COMMAND)
- button = MOUSE_LEFT;
- }
- repeated_click = FALSE;
- }
-
- if (clip_star.state != SELECT_CLEARED && !did_clip)
- clip_clear_selection();
- #endif
-
- /* Don't put events in the input queue now. */
- if (hold_gui_events)
- return;
-
- row = gui_xy2colrow(x, y, &col);
-
- /*
- * If we are dragging and the mouse hasn't moved far enough to be on a
- * different character, then don't send an event to vim.
- */
- if (button == MOUSE_DRAG)
- {
- if (row == prev_row && col == prev_col)
- return;
- /* Dragging above the window, set "row" to -1 to cause a scroll. */
- if (y < 0)
- row = -1;
- }
-
- /*
- * If topline has changed (window scrolled) since the last click, reset
- * repeated_click, because we don't want starting Visual mode when
- * clicking on a different character in the text.
- */
- if (curwin->w_topline != gui_prev_topline
- #ifdef FEAT_DIFF
- || curwin->w_topfill != gui_prev_topfill
- #endif
- )
- repeated_click = FALSE;
-
- string[0] = CSI; /* this sequence is recognized by check_termcode() */
- string[1] = KS_MOUSE;
- string[2] = KE_FILLER;
- if (button != MOUSE_DRAG && button != MOUSE_RELEASE)
- {
- if (repeated_click)
- {
- /*
- * Handle multiple clicks. They only count if the mouse is still
- * pointing at the same character.
- */
- if (button != prev_button || row != prev_row || col != prev_col)
- num_clicks = 1;
- else if (++num_clicks > 4)
- num_clicks = 1;
- }
- else
- num_clicks = 1;
- prev_button = button;
- gui_prev_topline = curwin->w_topline;
- #ifdef FEAT_DIFF
- gui_prev_topfill = curwin->w_topfill;
- #endif
-
- string[3] = (char_u)(button | 0x20);
- SET_NUM_MOUSE_CLICKS(string[3], num_clicks);
- }
- else
- string[3] = (char_u)button;
-
- string[3] |= modifiers;
- /* Can't encode numbers above 222... */
- string[4] = (char_u)((col > 222 ? 222 : col) + ' ' + 1);
- string[5] = (char_u)((row > 222 ? 222 : row) + ' ' + 1);
- add_to_input_buf(string, 6);
-
- if (row < 0)
- prev_row = 0;
- else
- prev_row = row;
- prev_col = col;
-
- /*
- * We need to make sure this is cleared since Athena doesn't tell us when
- * he is done dragging.
- */
- #ifdef FEAT_GUI_ATHENA
- gui.dragged_sb = SBAR_NONE;
- #endif
- }
-
- /*
- * Convert x and y coordinate to column and row in text window.
- * Corrects for multi-byte character.
- * returns column in "*colp" and row as return value;
- */
- int
- gui_xy2colrow(x, y, colp)
- int x;
- int y;
- int *colp;
- {
- int col = check_col(X_2_COL(x));
- int row = check_row(Y_2_ROW(y));
-
- #ifdef FEAT_MBYTE
- *colp = mb_fix_col(col, row);
- #else
- *colp = col;
- #endif
- return row;
- }
-
- #if defined(FEAT_MENU) || defined(PROTO)
- /*
- * Callback function for when a menu entry has been selected.
- */
- void
- gui_menu_cb(menu)
- vimmenu_T *menu;
- {
- char_u bytes[3 + sizeof(long_u)];
-
- /* Don't put events in the input queue now. */
- if (hold_gui_events)
- return;
-
- bytes[0] = CSI;
- bytes[1] = KS_MENU;
- bytes[2] = KE_FILLER;
- add_long_to_buf((long_u)menu, bytes + 3);
- add_to_input_buf(bytes, 3 + sizeof(long_u));
- }
- #endif
-
- /*
- * Set which components are present.
- * If "oldval" is not NULL, "oldval" is the previous value, the new * value is
- * in p_go.
- */
- /*ARGSUSED*/
- void
- gui_init_which_components(oldval)
- char_u *oldval;
- {
- static int prev_which_scrollbars[3] = {-1, -1, -1};
- #ifdef FEAT_MENU
- static int prev_menu_is_active = -1;
- #endif
- #ifdef FEAT_TOOLBAR
- static int prev_toolbar = -1;
- int using_toolbar = FALSE;
- #endif
- #ifdef FEAT_FOOTER
- static int prev_footer = -1;
- int using_footer = FALSE;
- #endif
- #if defined(FEAT_MENU) && !defined(WIN16)
- static int prev_tearoff = -1;
- int using_tearoff = FALSE;
- #endif
-
- char_u *p;
- int i;
- #ifdef FEAT_MENU
- int grey_old, grey_new;
- char_u *temp;
- #endif
- win_T *wp;
- int need_set_size;
-
- #ifdef FEAT_MENU
- if (oldval != NULL && gui.in_use)
- {
- /*
- * Check if the menu's go from grey to non-grey or vise versa.
- */
- grey_old = (vim_strchr(oldval, GO_GREY) != NULL);
- grey_new = (vim_strchr(p_go, GO_GREY) != NULL);
- if (grey_old != grey_new)
- {
- temp = p_go;
- p_go = oldval;
- gui_update_menus(MENU_ALL_MODES);
- p_go = temp;
- }
- }
- gui.menu_is_active = FALSE;
- #endif
-
- for (i = 0; i < 3; i++)
- gui.which_scrollbars[i] = FALSE;
- for (p = p_go; *p; p++)
- switch (*p)
- {
- case GO_LEFT:
- gui.which_scrollbars[SBAR_LEFT] = TRUE;
- break;
- case GO_RIGHT:
- gui.which_scrollbars[SBAR_RIGHT] = TRUE;
- break;
- #ifdef FEAT_VERTSPLIT
- case GO_VLEFT:
- if (win_hasvertsplit())
- gui.which_scrollbars[SBAR_LEFT] = TRUE;
- break;
- case GO_VRIGHT:
- if (win_hasvertsplit())
- gui.which_scrollbars[SBAR_RIGHT] = TRUE;
- break;
- #endif
- case GO_BOT:
- gui.which_scrollbars[SBAR_BOTTOM] = TRUE;
- break;
- #ifdef FEAT_MENU
- case GO_MENUS:
- gui.menu_is_active = TRUE;
- break;
- #endif
- case GO_GREY:
- /* make menu's have grey items, ignored here */
- break;
- #ifdef FEAT_TOOLBAR
- case GO_TOOLBAR:
- using_toolbar = TRUE;
- break;
- #endif
- #ifdef FEAT_FOOTER
- case GO_FOOTER:
- using_footer = TRUE;
- break;
- #endif
- case GO_TEAROFF:
- #if defined(FEAT_MENU) && !defined(WIN16)
- using_tearoff = TRUE;
- #endif
- break;
- default:
- /* Ignore options that are not supported */
- break;
- }
- if (gui.in_use)
- {
- need_set_size = FALSE;
- for (i = 0; i < 3; i++)
- {
- if (gui.which_scrollbars[i] != prev_which_scrollbars[i])
- {
- if (i == SBAR_BOTTOM)
- gui_mch_enable_scrollbar(&gui.bottom_sbar,
- gui.which_scrollbars[i]);
- else
- {
- FOR_ALL_WINDOWS(wp)
- {
- gui_do_scrollbar(wp, i, gui.which_scrollbars[i]);
- }
- }
- need_set_size = TRUE;
- }
- prev_which_scrollbars[i] = gui.which_scrollbars[i];
- }
-
- #ifdef FEAT_MENU
- if (gui.menu_is_active != prev_menu_is_active)
- {
- gui_mch_enable_menu(gui.menu_is_active);
- prev_menu_is_active = gui.menu_is_active;
- need_set_size = TRUE;
- }
- #endif
-
- #ifdef FEAT_TOOLBAR
- if (using_toolbar != prev_toolbar)
- {
- gui_mch_show_toolbar(using_toolbar);
- prev_toolbar = using_toolbar;
- need_set_size = TRUE;
- }
- #endif
- #ifdef FEAT_FOOTER
- if (using_footer != prev_footer)
- {
- gui_mch_enable_footer(using_footer);
- prev_footer = using_footer;
- need_set_size = TRUE;
- }
- #endif
- #if defined(FEAT_MENU) && !defined(WIN16) && !(defined(WIN3264) && !defined(FEAT_TEAROFF))
- if (using_tearoff != prev_tearoff)
- {
- gui_mch_toggle_tearoffs(using_tearoff);
- prev_tearoff = using_tearoff;
- }
- #endif
- if (need_set_size)
- gui_set_shellsize(FALSE, FALSE);
- }
- }
-
-
- /*
- * Scrollbar stuff:
- */
-
- void
- gui_create_scrollbar(sb, type, wp)
- scrollbar_T *sb;
- int type;
- win_T *wp;
- {
- static int sbar_ident = 0;
-
- sb->ident = sbar_ident++; /* No check for too big, but would it happen? */
- sb->wp = wp;
- sb->type = type;
- sb->value = 0;
- sb->pixval = 0;
- sb->size = 1;
- sb->max = 1;
- sb->top = 0;
- sb->height = 0;
- #ifdef FEAT_VERTSPLIT
- sb->width = 0;
- #endif
- sb->status_height = 0;
- gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT);
- }
-
- /*
- * Find the scrollbar with the given index.
- */
- scrollbar_T *
- gui_find_scrollbar(ident)
- long ident;
- {
- win_T *wp;
-
- if (gui.bottom_sbar.ident == ident)
- return &gui.bottom_sbar;
- FOR_ALL_WINDOWS(wp)
- {
- if (wp->w_scrollbars[SBAR_LEFT].ident == ident)
- return &wp->w_scrollbars[SBAR_LEFT];
- if (wp->w_scrollbars[SBAR_RIGHT].ident == ident)
- return &wp->w_scrollbars[SBAR_RIGHT];
- }
- return NULL;
- }
-
- /*
- * For most systems: Put a code in the input buffer for a dragged scrollbar.
- *
- * For Win32 and Macintosh:
- * Scrollbars seem to grab focus and vim doesn't read the input queue until
- * you stop dragging the scrollbar. We get here each time the scrollbar is
- * dragged another pixel, but as far as the rest of vim goes, it thinks
- * we're just hanging in the call to DispatchMessage() in
- * process_message(). The DispatchMessage() call that hangs was passed a
- * mouse button click event in the scrollbar window. -- webb.
- *
- * Solution: Do the scrolling right here. But only when allowed.
- * Ignore the scrollbars while executing an external command or when there
- * are still characters to be processed.
- */
- void
- gui_drag_scrollbar(sb, value, still_dragging)
- scrollbar_T *sb;
- long value;
- int still_dragging;
- {
- #ifdef FEAT_WINDOWS
- win_T *wp;
- #endif
- int sb_num;
- #ifdef USE_ON_FLY_SCROLL
- colnr_T old_leftcol = curwin->w_leftcol;
- linenr_T old_topline = curwin->w_topline;
- # ifdef FEAT_DIFF
- int old_topfill = curwin->w_topfill;
- # endif
- #else
- char_u bytes[4 + sizeof(long_u)];
- int byte_count;
- #endif
-
- if (sb == NULL)
- return;
-
- /* Don't put events in the input queue now. */
- if (hold_gui_events)
- return;
-
- #ifdef FEAT_CMDWIN
- if (cmdwin_type != 0 && sb->wp != curwin)
- return;
- #endif
-
- if (still_dragging)
- {
- if (sb->wp == NULL)
- gui.dragged_sb = SBAR_BOTTOM;
- else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT])
- gui.dragged_sb = SBAR_LEFT;
- else
- gui.dragged_sb = SBAR_RIGHT;
- gui.dragged_wp = sb->wp;
- }
- else
- gui.dragged_sb = SBAR_NONE;
-
- /* Vertical sbar info is kept in the first sbar (the left one) */
- if (sb->wp != NULL)
- sb = &sb->wp->w_scrollbars[0];
-
- /*
- * Check validity of value
- */
- if (value < 0)
- value = 0;
- #ifdef SCROLL_PAST_END
- else if (value > sb->max)
- value = sb->max;
- #else
- if (value > sb->max - sb->size + 1)
- value = sb->max - sb->size + 1;
- #endif
-
- sb->value = value;
-
- #ifdef USE_ON_FLY_SCROLL
- /* When not allowed to do the scrolling right now, return. */
- if (dont_scroll || !vim_is_input_buf_empty())
- return;
- #endif
-
- #ifdef FEAT_RIGHTLEFT
- if (sb->wp == NULL && curwin->w_p_rl)
- {
- value = sb->max + 1 - sb->size - value;
- if (value < 0)
- value = 0;
- }
- #endif
-
- if (sb->wp != NULL) /* vertical scrollbar */
- {
- sb_num = 0;
- #ifdef FEAT_WINDOWS
- for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next)
- sb_num++;
- if (wp == NULL)
- return;
- #else
- if (sb->wp != curwin)
- return;
- #endif
-
- #ifdef USE_ON_FLY_SCROLL
- current_scrollbar = sb_num;
- scrollbar_value = value;
- if (State & NORMAL)
- {
- gui_do_scroll();
- setcursor();
- }
- else if (State & INSERT)
- {
- ins_scroll();
- setcursor();
- }
- else if (State & CMDLINE)
- {
- if (msg_scrolled == 0)
- {
- gui_do_scroll();
- redrawcmdline();
- }
- }
- # ifdef FEAT_FOLDING
- /* Value may have been changed for closed fold. */
- sb->value = sb->wp->w_topline - 1;
- # endif
- #else
- bytes[0] = CSI;
- bytes[1] = KS_VER_SCROLLBAR;
- bytes[2] = KE_FILLER;
- bytes[3] = (char_u)sb_num;
- byte_count = 4;
- #endif
- }
- else
- {
- #ifdef USE_ON_FLY_SCROLL
- scrollbar_value = value;
-
- if (State & NORMAL)
- gui_do_horiz_scroll();
- else if (State & INSERT)
- ins_horscroll();
- else if (State & CMDLINE)
- {
- if (!msg_scrolled)
- {
- gui_do_horiz_scroll();
- redrawcmdline();
- }
- }
- if (old_leftcol != curwin->w_leftcol)
- {
- updateWindow(curwin); /* update window, status and cmdline */
- setcursor();
- }
- #else
- bytes[0] = CSI;
- bytes[1] = KS_HOR_SCROLLBAR;
- bytes[2] = KE_FILLER;
- byte_count = 3;
- #endif
- }
-
- #ifdef USE_ON_FLY_SCROLL
- # ifdef FEAT_SCROLLBIND
- /*
- * synchronize other windows, as necessary according to 'scrollbind'
- */
- if (curwin->w_p_scb
- && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol)
- || (sb->wp == curwin && (curwin->w_topline != old_topline
- # ifdef FEAT_DIFF
- || curwin->w_topfill != old_topfill
- # endif
- ))))
- {
- do_check_scrollbind(TRUE);
- /* need to update the window right here */
- for (wp = firstwin; wp != NULL; wp = wp->w_next)
- if (wp->w_redr_type > 0)
- updateWindow(wp);
- setcursor();
- }
- # endif
- out_flush();
- gui_update_cursor(FALSE, TRUE);
- #else
- add_long_to_buf((long)value, bytes + byte_count);
- add_to_input_buf(bytes, byte_count + sizeof(long_u));
- #endif
- }
-
- /*
- * Scrollbar stuff:
- */
-
- void
- gui_update_scrollbars(force)
- int force; /* Force all scrollbars to get updated */
- {
- win_T *wp;
- scrollbar_T *sb;
- long val, size, max; /* need 32 bits here */
- int which_sb;
- int h, y;
- #ifdef FEAT_VERTSPLIT
- static win_T *prev_curwin = NULL;
- #endif
-
- /* Update the horizontal scrollbar */
- gui_update_horiz_scrollbar(force);
-
- #ifndef WIN3264
- /* Return straight away if there is neither a left nor right scrollbar.
- * On MS-Windows this is required anyway for scrollwheel messages. */
- if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT])
- return;
- #endif
-
- /*
- * Don't want to update a scrollbar while we're dragging it. But if we
- * have both a left and right scrollbar, and we drag one of them, we still
- * need to update the other one.
- */
- if ( (gui.dragged_sb == SBAR_LEFT
- || gui.dragged_sb == SBAR_RIGHT)
- && (!gui.which_scrollbars[SBAR_LEFT]
- || !gui.which_scrollbars[SBAR_RIGHT])
- && !force)
- return;
-
- if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT))
- {
- /*
- * If we have two scrollbars and one of them is being dragged, just
- * copy the scrollbar position from the dragged one to the other one.
- */
- which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb;
- if (gui.dragged_wp != NULL)
- gui_mch_set_scrollbar_thumb(
- &gui.dragged_wp->w_scrollbars[which_sb],
- gui.dragged_wp->w_scrollbars[0].value,
- gui.dragged_wp->w_scrollbars[0].size,
- gui.dragged_wp->w_scrollbars[0].max);
- return;
- }
-
- /* avoid that moving components around generates events */
- ++hold_gui_events;
-
- for (wp = firstwin; wp != NULL; wp = W_NEXT(wp))
- {
- if (wp->w_buffer == NULL) /* just in case */
- continue;
- #ifdef SCROLL_PAST_END
- max = wp->w_buffer->b_ml.ml_line_count - 1;
- #else
- max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2;
- #endif
- if (max < 0) /* empty buffer */
- max = 0;
- val = wp->w_topline - 1;
- size = wp->w_height;
- #ifdef SCROLL_PAST_END
- if (val > max) /* just in case */
- val = max;
- #else
- if (size > max + 1) /* just in case */
- size = max + 1;
- if (val > max - size + 1)
- val = max - size + 1;
- #endif
- if (val < 0) /* minimal value is 0 */
- val = 0;
-
- /*
- * Scrollbar at index 0 (the left one) contains all the information.
- * It would be the same info for left and right so we just store it for
- * one of them.
- */
- sb = &wp->w_scrollbars[0];
-
- /*
- * Note: no check for valid w_botline. If it's not valid the
- * scrollbars will be updated later anyway.
- */
- if (size < 1 || wp->w_botline - 2 > max)
- {
- /*
- * This can happen during changing files. Just don't update the
- * scrollbar for now.
- */
- sb->height = 0; /* Force update next time */
- if (gui.which_scrollbars[SBAR_LEFT])
- gui_do_scrollbar(wp, SBAR_LEFT, FALSE);
- if (gui.which_scrollbars[SBAR_RIGHT])
- gui_do_scrollbar(wp, SBAR_RIGHT, FALSE);
- continue;
- }
- if (force || sb->height != wp->w_height
- #ifdef FEAT_WINDOWS
- || sb->top != wp->w_winrow
- || sb->status_height != wp->w_status_height
- # ifdef FEAT_VERTSPLIT
- || sb->width != wp->w_width
- || prev_curwin != curwin
- # endif
- #endif
- )
- {
- /* Height, width or position of scrollbar has changed. For
- * vertical split: curwin changed. */
- sb->height = wp->w_height;
- #ifdef FEAT_WINDOWS
- sb->top = wp->w_winrow;
- sb->status_height = wp->w_status_height;
- # ifdef FEAT_VERTSPLIT
- sb->width = wp->w_width;
- # endif
- #endif
-
- /* Calculate height and position in pixels */
- h = (sb->height + sb->status_height) * gui.char_height;
- y = sb->top * gui.char_height + gui.border_offset;
- #if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON)
- if (gui.menu_is_active)
- y += gui.menu_height;
- #endif
-
- #if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA))
- if (vim_strchr(p_go, GO_TOOLBAR) != NULL)
- # ifdef FEAT_GUI_ATHENA
- y += gui.toolbar_height;
- # else
- # ifdef FEAT_GUI_MSWIN
- y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT;
- # endif
- # endif
- #endif
-
- #ifdef FEAT_WINDOWS
- if (wp->w_winrow == 0)
- #endif
- {
- /* Height of top scrollbar includes width of top border */
- h += gui.border_offset;
- y -= gui.border_offset;
- }
- if (gui.which_scrollbars[SBAR_LEFT])
- {
- gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT],
- gui.left_sbar_x, y,
- gui.scrollbar_width, h);
- gui_do_scrollbar(wp, SBAR_LEFT, TRUE);
- }
- if (gui.which_scrollbars[SBAR_RIGHT])
- {
- gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT],
- gui.right_sbar_x, y,
- gui.scrollbar_width, h);
- gui_do_scrollbar(wp, SBAR_RIGHT, TRUE);
- }
- }
-
- /* reduce the number of calls to gui_mch_set_scrollbar_thumb() by
- * checking if the thumb moved at least a pixel */
- if (max == 0)
- y = 0;
- else
- y = (val * (sb->height + 2) * gui.char_height + max / 2) / max;
- #ifndef RISCOS
- /* RISCOS does scrollbars differently - if the position through the
- * file has changed then we must update the scrollbar regardless of
- * how far we think it has moved. */
- if (force || sb->pixval != y || sb->size != size || sb->max != max)
- #endif
- {
- /* Thumb of scrollbar has moved */
- sb->value = val;
- sb->pixval = y;
- sb->size = size;
- sb->max = max;
- if (gui.which_scrollbars[SBAR_LEFT] && gui.dragged_sb != SBAR_LEFT)
- gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT],
- val, size, max);
- if (gui.which_scrollbars[SBAR_RIGHT]
- && gui.dragged_sb != SBAR_RIGHT)
- gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT],
- val, size, max);
- }
- }
- #ifdef FEAT_VERTSPLIT
- prev_curwin = curwin;
- #endif
- --hold_gui_events;
- }
-
- /*
- * Enable or disable a scrollbar.
- * Check for scrollbars for vertically split windows which are not enabled
- * sometimes.
- */
- static void
- gui_do_scrollbar(wp, which, enable)
- win_T *wp;
- int which; /* SBAR_LEFT or SBAR_RIGHT */
- int enable; /* TRUE to enable scrollbar */
- {
- #ifdef FEAT_VERTSPLIT
- int midcol = curwin->w_wincol + curwin->w_width / 2;
- int has_midcol = (wp->w_wincol <= midcol
- && wp->w_wincol + wp->w_width >= midcol);
-
- /* Only enable scrollbars that contain the middle column of the current
- * window. */
- if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT])
- {
- /* Scrollbars only on one side. Don't enable scrollbars that don't
- * contain the middle column of the current window. */
- if (!has_midcol)
- enable = FALSE;
- }
- else
- {
- /* Scrollbars on both sides. Don't enable scrollbars that neither
- * contain the middle column of the current window nor are on the far
- * side. */
- if (midcol > Columns / 2)
- {
- if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol)
- enable = FALSE;
- }
- else
- {
- if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns
- : !has_midcol)
- enable = FALSE;
- }
- }
- #endif
- gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable);
- }
-
- /*
- * Scroll a window according to the values set in the globals current_scrollbar
- * and scrollbar_value. Return TRUE if the cursor in the current window moved
- * or FALSE otherwise.
- */
- int
- gui_do_scroll()
- {
- win_T *wp, *save_wp;
- int i;
- long nlines;
- pos_T old_cursor;
- linenr_T old_topline;
- #ifdef FEAT_DIFF
- int old_topfill;
- #endif
-
- for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++)
- if (wp == NULL)
- break;
- if (wp == NULL)
- /* Couldn't find window */
- return FALSE;
-
- /*
- * Compute number of lines to scroll. If zero, nothing to do.
- */
- nlines = (long)scrollbar_value + 1 - (long)wp->w_topline;
- if (nlines == 0)
- return FALSE;
-
- save_wp = curwin;
- old_topline = wp->w_topline;
- #ifdef FEAT_DIFF
- old_topfill = wp->w_topfill;
- #endif
- old_cursor = wp->w_cursor;
- curwin = wp;
- curbuf = wp->w_buffer;
- if (nlines < 0)
- scrolldown(-nlines, gui.dragged_wp == NULL);
- else
- scrollup(nlines, gui.dragged_wp == NULL);
- /* Reset dragged_wp after using it. "dragged_sb" will have been reset for
- * the mouse-up event already, but we still want it to behave like when
- * dragging. But not the next click in an arrow. */
- if (gui.dragged_sb == SBAR_NONE)
- gui.dragged_wp = NULL;
-
- if (old_topline != wp->w_topline
- #ifdef FEAT_DIFF
- || old_topfill != wp->w_topfill
- #endif
- )
- {
- if (p_so != 0)
- {
- cursor_correct(); /* fix window for 'so' */
- update_topline(); /* avoid up/down jump */
- }
- if (old_cursor.lnum != wp->w_cursor.lnum)
- coladvance(wp->w_curswant);
- #ifdef FEAT_SCROLLBIND
- wp->w_scbind_pos = wp->w_topline;
- #endif
- }
-
- curwin = save_wp;
- curbuf = save_wp->w_buffer;
-
- /*
- * Don't call updateWindow() when nothing has changed (it will overwrite
- * the status line!).
- */
- if (old_topline != wp->w_topline
- #ifdef FEAT_DIFF
- || old_topfill != wp->w_topfill
- #endif
- )
- {
- redraw_win_later(wp, VALID);
- updateWindow(wp); /* update window, status line, and cmdline */
- }
-
- return (wp == curwin && !equal(curwin->w_cursor, old_cursor));
- }
-
-
- /*
- * Horizontal scrollbar stuff:
- */
-
- static void
- gui_update_horiz_scrollbar(force)
- int force;
- {
- long value, size, max; /* need 32 bit ints here */
- char_u *p;
-
- if (!gui.which_scrollbars[SBAR_BOTTOM])
- return;
-
- if (!force && gui.dragged_sb == SBAR_BOTTOM)
- return;
-
- if (!force && curwin->w_p_wrap && gui.prev_wrap)
- return;
-
- /*
- * It is possible for the cursor to be invalid if we're in the middle of
- * something (like changing files). If so, don't do anything for now.
- */
- if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
- {
- gui.bottom_sbar.value = -1;
- return;
- }
-
- size = W_WIDTH(curwin);
- if (curwin->w_p_wrap)
- {
- value = 0;
- #ifdef SCROLL_PAST_END
- max = 0;
- #else
- max = W_WIDTH(curwin) - 1;
- #endif
- }
- else
- {
- value = curwin->w_leftcol;
-
- /* Calculate max for horizontal scrollbar */
- p = ml_get_curline();
- max = 0;
- if (p != NULL && p[0] != NUL)
- for (;;)
- {
- int w = chartabsize(p, (colnr_T)max);
- #ifdef FEAT_MBYTE
- if (has_mbyte)
- p += (*mb_ptr2len_check)(p);
- else
- #endif
- ++p;
- if (*p == NUL) /* Don't count last character */
- break;
- max += w;
- }
- #ifndef SCROLL_PAST_END
- max += W_WIDTH(curwin) - 1;
- #endif
- /* The line number isn't scrolled, thus there is less space when
- * 'number' is set (also for 'foldcolumn'). */
- size -= curwin_col_off();
- #ifndef SCROLL_PAST_END
- max -= curwin_col_off();
- #endif
- }
-
- #ifndef SCROLL_PAST_END
- if (value > max - size + 1)
- value = max - size + 1; /* limit the value to allowable range */
- #endif
-
- #ifdef FEAT_RIGHTLEFT
- if (curwin->w_p_rl)
- {
- value = max + 1 - size - value;
- if (value < 0)
- {
- size += value;
- value = 0;
- }
- }
- #endif
- if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size
- && max == gui.bottom_sbar.max)
- return;
-
- gui.bottom_sbar.value = value;
- gui.bottom_sbar.size = size;
- gui.bottom_sbar.max = max;
- gui.prev_wrap = curwin->w_p_wrap;
-
- gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max);
- }
-
- /*
- * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise.
- */
- int
- gui_do_horiz_scroll()
- {
- /* no wrapping, no scrolling */
- if (curwin->w_p_wrap)
- return FALSE;
-
- if (curwin->w_leftcol == scrollbar_value)
- return FALSE;
-
- curwin->w_leftcol = scrollbar_value;
- return leftcol_changed();
- }
-
- /*
- * Check that none of the colors are the same as the background color
- */
- void
- gui_check_colors()
- {
- if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == (guicolor_T)-1)
- {
- gui_set_bg_color((char_u *)"White");
- if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == (guicolor_T)-1)
- gui_set_fg_color((char_u *)"Black");
- }
- }
-
- void
- gui_set_fg_color(name)
- char_u *name;
- {
- gui.norm_pixel = gui_mch_get_color(name);
- hl_set_fg_color_name(vim_strsave(name));
- }
-
- void
- gui_set_bg_color(name)
- char_u *name;
- {
- gui.back_pixel = gui_mch_get_color(name);
- hl_set_bg_color_name(vim_strsave(name));
- }
-
- /*
- * Return the grey value of a color (range 0-255).
- */
- int
- gui_get_lightness(pixel)
- guicolor_T pixel;
- {
- long_u rgb = gui_mch_get_rgb(pixel);
-
- return ( (((rgb >> 16) & 0xff) * 299)
- + (((rgb >> 8) & 0xff) * 587)
- + ((rgb & 0xff) * 114)) / 1000;
- }
-
- #if defined(FEAT_GUI_X11) || defined(PROTO)
- void
- gui_new_scrollbar_colors()
- {
- win_T *wp;
-
- /* Nothing to do if GUI hasn't started yet. */
- if (!gui.in_use)
- return;
-
- FOR_ALL_WINDOWS(wp)
- {
- gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT]));
- gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT]));
- }
- gui_mch_set_scrollbar_colors(&gui.bottom_sbar);
- }
- #endif
-
- /*
- * Call this when focus has changed.
- */
- void
- gui_focus_change(in_focus)
- int in_focus;
- {
- gui.in_focus = in_focus;
- out_flush(); /* make sure output has been written */
- gui_update_cursor(TRUE, FALSE);
-
- #ifdef FEAT_XIM
- xim_set_focus(in_focus);
- #endif
-
- ui_focus_change(in_focus);
- }
-
- /*
- * Called when the mouse moved (but not when dragging).
- */
- void
- gui_mouse_moved(x, y)
- int x;
- int y;
- {
- win_T *wp;
- char_u st[6];
-
- #ifdef FEAT_MOUSESHAPE
- /* Get window pointer, and update mouse shape as well. */
- wp = xy2win(x, y);
- #endif
-
- /* Only handle this when 'mousefocus' set and ... */
- if (p_mousef
- && !hold_gui_events /* not holding events */
- && (State & (NORMAL|INSERT))/* Normal/Visual/Insert mode */
- && State != HITRETURN /* but not hit-return prompt */
- && msg_scrolled == 0 /* no scrolled message */
- && !need_mouse_correct /* not moving the pointer */
- && gui.in_focus) /* gvim in focus */
- {
- /* Don't move the mouse when it's left or right of the Vim window */
- if (x < 0 || x > Columns * gui.char_width)
- return;
- #ifndef FEAT_MOUSESHAPE
- wp = xy2win(x, y);
- #endif
- if (wp == curwin || wp == NULL)
- return; /* still in the same old window, or none at all */
-
- /*
- * format a mouse click on status line input
- * ala gui_send_mouse_event(0, x, y, 0, 0);
- * Trick: Use a column of -1, so that check_termcode will generate a
- * K_LEFTMOUSE_NM key code.
- */
- if (finish_op)
- {
- /* abort the current operator first */
- st[0] = ESC;
- add_to_input_buf(st, 1);
- }
- st[0] = CSI;
- st[1] = KS_MOUSE;
- st[2] = KE_FILLER;
- st[3] = (char_u)MOUSE_LEFT;
- #ifdef FEAT_VERTSPLIT
- st[4] = (char_u)(W_WINCOL(wp) + ' ' + 1); /* column -1 */
- #else
- st[4] = (char_u)(' '); /* column -1 */
- #endif
- st[5] = (char_u)(wp->w_height + W_WINROW(wp) + ' ' + 1);
- add_to_input_buf(st, 6);
- st[3] = (char_u)MOUSE_RELEASE;
- add_to_input_buf(st, 6);
-
- #ifdef FEAT_GUI_GTK
- /* Need to wake up the main loop */
- if (gtk_main_level() > 0)
- gtk_main_quit();
- #endif
- }
- }
-
- /*
- * Called when mouse should be moved to window with focus.
- */
- void
- gui_mouse_correct()
- {
- int x, y;
- win_T *wp = NULL;
-
- need_mouse_correct = FALSE;
- if (gui.in_use && p_mousef)
- {
- x = gui_mch_get_mouse_x();
- /* Don't move the mouse when it's left or right of the Vim window */
- if (x < 0 || x > Columns * gui.char_width)
- return;
- y = gui_mch_get_mouse_y();
- if (y >= 0)
- wp = xy2win(x, y);
- if (wp != curwin && wp != NULL) /* If in other than current window */
- {
- validate_cline_row();
- gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3,
- (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height
- + (gui.char_height) / 2);
- }
- }
- }
-
- /*
- * Find window where the mouse pointer "y" coordinate is in.
- */
- /*ARGSUSED*/
- static win_T *
- xy2win(x, y)
- int x;
- int y;
- {
- #ifdef FEAT_WINDOWS
- int row;
- int col;
- win_T *wp;
-
- row = Y_2_ROW(y);
- col = X_2_COL(x);
- if (row < 0 || col < 0) /* before first window */
- return NULL;
- wp = mouse_find_win(&row, &col);
- # ifdef FEAT_MOUSESHAPE
- if (State == HITRETURN || State == ASKMORE)
- update_mouseshape(SHAPE_IDX_MORE);
- else if (row > wp->w_height) /* below status line */
- update_mouseshape(SHAPE_IDX_CLINE);
- # ifdef FEAT_VERTSPLIT
- else if (!(State & CMDLINE) && W_VSEP_WIDTH(wp) > 0 && col == wp->w_width
- && (row != wp->w_height || !stl_connected(wp)))
- update_mouseshape(SHAPE_IDX_VSEP);
- # endif
- else if (!(State & CMDLINE) && W_STATUS_HEIGHT(wp) > 0
- && row == wp->w_height)
- update_mouseshape(SHAPE_IDX_STATUS);
- else
- update_mouseshape(-2);
- # endif
- return wp;
- #else
- return firstwin;
- #endif
- }
-
- /*
- * ":gui" and ":gvim": Change from the terminal version to the GUI version.
- * File names may be given to redefine the args list.
- */
- void
- ex_gui(eap)
- exarg_T *eap;
- {
- char_u *arg = eap->arg;
-
- /*
- * Check for "-f" argument: foreground, don't fork.
- * Also don't fork when started with "gvim -f".
- * Do fork when using "gui -b".
- */
- if (arg[0] == '-'
- && (arg[1] == 'f' || arg[1] == 'b')
- && (arg[2] == NUL || vim_iswhite(arg[2])))
- {
- gui.dofork = (arg[1] == 'b');
- eap->arg = skipwhite(eap->arg + 2);
- }
- if (!gui.in_use)
- {
- /* Clear the command. Needed for when forking+exiting, to avoid part
- * of the argument ending up after the shell prompt. */
- msg_clr_eos();
- gui_start();
- }
- if (!ends_excmd(*eap->arg))
- ex_next(eap);
- }
-
- #if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32) \
- || defined(FEAT_GUI_PHOTON)) && defined(FEAT_TOOLBAR)) || defined(PROTO)
- /*
- * This is shared between Athena, Motif and GTK.
- */
- static char_u *gfp_buffer;
-
- static void gfp_setname __ARGS((char_u *fname));
-
- /*
- * Callback function for do_in_runtimepath().
- */
- static void
- gfp_setname(fname)
- char_u *fname;
- {
- if (STRLEN(fname) >= MAXPATHL)
- *gfp_buffer = NUL;
- else
- STRCPY(gfp_buffer, fname);
- }
-
- /*
- * Find the path of bitmap "name" with extension "ext" in 'runtimepath'.
- * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result.
- */
- int
- gui_find_bitmap(name, buffer, ext)
- char_u *name;
- char_u *buffer;
- char *ext;
- {
- if (STRLEN(name) > MAXPATHL - 14)
- return FAIL;
- sprintf((char *)buffer, "bitmaps/%s.%s", name, ext);
- gfp_buffer = buffer;
- if (do_in_runtimepath(buffer, FALSE, gfp_setname) == FAIL || *buffer == NUL)
- return FAIL;
- return OK;
- }
- #endif
-
- #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO)
- void
- display_errors()
- {
- char_u *p;
-
- if (isatty(2))
- fflush(stderr);
- else if (error_ga.ga_data != NULL)
- {
- /* avoid putting up a message box with blanks only */
- for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p)
- if (!isspace(*p))
- {
- /* Truncate a very long message, it will go off-screen. */
- if (STRLEN(p) > 2000)
- STRCPY(p + 2000 - 14, "...(truncated)");
- (void)do_dialog(VIM_ERROR, (char_u *)_("Error"),
- p, (char_u *)_("&Ok"), 1, NULL);
- break;
- }
- ga_clear(&error_ga);
- }
- }
- #endif
-
- #if defined(NO_CONSOLE_INPUT) || defined(PROTO)
- /*
- * Return TRUE if still starting up and there is no place to enter text.
- * For GTK and X11 we check if stderr is not a tty, which means we were
- * (probably) started from the desktop. Also check stdin, "vim >& file" does
- * allow typing on stdin.
- */
- int
- no_console_input()
- {
- return ((!gui.in_use || gui.starting)
- # ifndef NO_CONSOLE
- && !isatty(0) && !isatty(2)
- # endif
- );
- }
- #endif
-
- #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_GUI_MOTIF) || defined(PROTO)
- /*
- * Update the current window and the screen.
- */
- void
- gui_update_screen()
- {
- update_topline();
- validate_cursor();
- update_screen(0); /* may need to update the screen */
- setcursor();
- out_flush(); /* make sure output has been written */
- gui_update_cursor(TRUE, FALSE);
- gui_mch_flush();
- }
- #endif
-
- #if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MOTIF) || defined(PROTO)
- /*
- * Get the text to use in a find/replace dialog. Uses the last search pattern
- * if the argument is empty.
- * Returns an allocated string.
- */
- char_u *
- get_find_dialog_text(arg, wordp)
- char_u *arg;
- int *wordp; /* return: TRUE if \< \> found */
- {
- char_u *text;
-
- if (*arg == NUL)
- text = last_search_pat();
- else
- text = arg;
- if (text != NULL)
- {
- text = vim_strsave(text);
- if (text != NULL)
- {
- int len = STRLEN(text);
-
- /* Remove "\V" */
- if (len >= 2 && STRNCMP(text, "\\V", 2) == 0)
- mch_memmove(text, text + 2, (size_t)(len - 2));
-
- /* Recognize "\<text\>" and remove. */
- if (len >= 4
- && STRNCMP(text, "\\<", 2) == 0
- && STRNCMP(text + len - 2, "\\>", 2) == 0)
- {
- *wordp = TRUE;
- mch_memmove(text, text + 2, (size_t)(len - 4));
- text[len - 4] = NUL;
- }
- }
- }
- return text;
- }
-
- /*
- * Handle the press of a button in the find-replace dialog.
- * Return TRUE when something was added to the input buffer.
- */
- int
- gui_do_findrepl(flags, find_text, repl_text, down, exact)
- int flags; /* one of FR_REPLACE, FR_FINDNEXT, etc. */
- char_u *find_text;
- char_u *repl_text;
- int down; /* Search downwards. */
- int exact; /* Exact word match. */
- {
- garray_T ga;
-
- ga_init2(&ga, 1, 100);
-
- /* start stuffing in the command text */
- if (State & INSERT)
- ga_append(&ga, Ctrl_O);
- else if ((State | NORMAL) == 0)
- ga_append(&ga, ESC);
-
- if (flags == FR_REPLACE)
- {
- /* Do the replacement when the text under the cursor matches. */
- if (STRNCMP(ml_get_cursor(), find_text, STRLEN(find_text)) == 0
- && u_save_cursor() == OK)
- {
- del_bytes((long)STRLEN(find_text), FALSE);
- ins_str(repl_text);
- }
- }
- else if (flags == FR_REPLACEALL)
- {
- ga_concat(&ga, (char_u *)":%sno/");
- ga_concat(&ga, find_text);
- ga_concat(&ga, (char_u *)"/");
- ga_concat(&ga, repl_text);
- ga_concat(&ga, (char_u *)"/g\r");
- }
-
- if (flags != FR_REPLACEALL)
- {
- /* Search for the next match. */
- if (down)
- ga_concat(&ga, (char_u *)"/\\V");
- else
- ga_concat(&ga, (char_u *)"?\\V");
- if (exact)
- ga_concat(&ga, (char_u *)"\\<");
- ga_concat(&ga, find_text);
- if (exact)
- ga_concat(&ga, (char_u *)"\\>");
- ga_concat(&ga, (char_u *)"\r");
- }
-
- if (ga.ga_len > 0)
- add_to_input_buf((char_u *)ga.ga_data, ga.ga_len);
-
- vim_free(ga.ga_data);
- return (ga.ga_len > 0);
- }
-
- #endif
-