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Vim/src/gui.c

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/* vi:set ts=8 sts=4 sw=4 noet:
*
* 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;
#if !defined(FEAT_GUI_GTK)
static void set_guifontwide(char_u *font_name);
#endif
static void gui_check_pos(void);
static void gui_reset_scroll_region(void);
static void gui_outstr(char_u *, int);
static int gui_screenchar(int off, int flags, guicolor_T fg, guicolor_T bg, int back);
static int gui_outstr_nowrap(char_u *s, int len, int flags, guicolor_T fg, guicolor_T bg, int back);
static void gui_delete_lines(int row, int count);
static void gui_insert_lines(int row, int count);
static int gui_xy2colrow(int x, int y, int *colp);
#if defined(FEAT_GUI_TABLINE) || defined(PROTO)
static int gui_has_tabline(void);
#endif
static void gui_do_scrollbar(win_T *wp, int which, int enable);
static void gui_update_horiz_scrollbar(int);
static void gui_set_fg_color(char_u *name);
static void gui_set_bg_color(char_u *name);
static win_T *xy2win(int x, int y, mouse_find_T popup);
#ifdef GUI_MAY_FORK
static void gui_do_fork(void);
static int gui_read_child_pipe(int fd);
// Return values for gui_read_child_pipe
enum {
GUI_CHILD_IO_ERROR,
GUI_CHILD_OK,
GUI_CHILD_FAILED
};
#endif
static void gui_attempt_start(void);
static int can_update_cursor = TRUE; // can display the cursor
static int disable_flush = 0; // If > 0, gui_mch_flush() is disabled.
/*
* 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 *arg UNUSED)
{
char_u *old_term;
static int recursive = 0;
#if defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD)
char *msg = NULL;
#endif
old_term = vim_strsave(T_NAME);
settmode(TMODE_COOK); // stop RAW mode
if (full_screen)
cursor_on(); // needed for ":gui" in .vimrc
full_screen = FALSE;
++recursive;
#ifdef GUI_MAY_FORK
/*
* 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'.
* Don't do this when there is a running job, we can only get the status
* of a child from the parent.
*/
if (gui.dofork && !vim_strchr(p_go, GO_FORG) && recursive <= 1
# ifdef FEAT_JOB_CHANNEL
&& !job_any_running()
# endif
)
{
gui_do_fork();
}
else
#endif
#ifdef GUI_MAY_SPAWN
if (gui.dospawn
# ifdef EXPERIMENTAL_GUI_CMD
&& gui.dofork
# endif
&& !vim_strchr(p_go, GO_FORG)
&& !anyBufIsChanged()
# ifdef FEAT_JOB_CHANNEL
&& !job_any_running()
# endif
)
{
# ifdef EXPERIMENTAL_GUI_CMD
msg =
# endif
gui_mch_do_spawn(arg);
}
else
#endif
{
#ifdef FEAT_GUI_GTK
// If there is 'f' in 'guioptions' and specify -g argument,
// gui_mch_init_check() was not called yet.
if (gui_mch_init_check() != OK)
getout_preserve_modified(1);
#endif
gui_attempt_start();
}
if (!gui.in_use) // failed to start GUI
{
// Back to old term settings
//
// FIXME: If we got here because a child process failed and flagged to
// the parent to resume, and X11 is enabled with FEAT_TITLE, this will
// hit an X11 I/O error and do a longjmp(), leaving recursive
// permanently set to 1. This is probably not as big a problem as it
// sounds, because gui_mch_init() in both gui_x11.c and gui_gtk_x11.c
// return "OK" unconditionally, so it would be very difficult to
// actually hit this case.
termcapinit(old_term);
settmode(TMODE_RAW); // restart RAW mode
#ifdef FEAT_TITLE
set_title_defaults(); // set 'title' and 'icon' again
#endif
#if defined(GUI_MAY_SPAWN) && defined(EXPERIMENTAL_GUI_CMD)
if (msg)
emsg(msg);
#endif
}
vim_free(old_term);
// If the GUI started successfully, trigger the GUIEnter event, otherwise
// the GUIFailed event.
gui_mch_update();
apply_autocmds(gui.in_use ? EVENT_GUIENTER : EVENT_GUIFAILED,
NULL, NULL, FALSE, curbuf);
--recursive;
}
/*
* 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().
*/
static void
gui_attempt_start(void)
{
static int recursive = 0;
++recursive;
gui.starting = TRUE;
#ifdef FEAT_GUI_GTK
gui.event_time = GDK_CURRENT_TIME;
#endif
termcapinit((char_u *)"builtin_gui");
gui.starting = recursive - 1;
#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11)
if (gui.in_use)
{
# ifdef FEAT_EVAL
Window x11_window;
Display *x11_display;
if (gui_get_x11_windis(&x11_window, &x11_display) == OK)
set_vim_var_nr(VV_WINDOWID, (long)x11_window);
# endif
// Display error messages in a dialog now.
display_errors();
}
#endif
--recursive;
}
#ifdef GUI_MAY_FORK
// for waitpid()
# if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT)
# include <sys/wait.h>
# endif
/*
* Create a new process, by forking. In the child, start the GUI, and in
* the parent, exit.
*
* If something goes wrong, this will return with gui.in_use still set
* to FALSE, in which case the caller should continue execution without
* the GUI.
*
* If the child fails to start the GUI, then the child will exit and the
* parent will return. If the child succeeds, then the parent will exit
* and the child will return.
*/
static void
gui_do_fork(void)
{
int pipefd[2]; // pipe between parent and child
int pipe_error;
int status;
int exit_status;
pid_t pid = -1;
// Setup a pipe between the child and the parent, so that the parent
// knows when the child has done the setsid() call and is allowed to
// exit.
pipe_error = (pipe(pipefd) < 0);
pid = fork();
if (pid < 0) // Fork error
{
emsg(_("E851: Failed to create a new process for the GUI"));
return;
}
else 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).
if (!pipe_error)
{
// The read returns when the child closes the pipe (or when
// the child dies for some reason).
close(pipefd[1]);
status = gui_read_child_pipe(pipefd[0]);
if (status == GUI_CHILD_FAILED)
{
// The child failed to start the GUI, so the caller must
// continue. There may be more error information written
// to stderr by the child.
# ifdef __NeXT__
wait4(pid, &exit_status, 0, (struct rusage *)0);
# else
waitpid(pid, &exit_status, 0);
# endif
emsg(_("E852: The child process failed to start the GUI"));
return;
}
else if (status == GUI_CHILD_IO_ERROR)
{
pipe_error = TRUE;
}
// else GUI_CHILD_OK: parent exit
}
if (pipe_error)
ui_delay(301L, TRUE);
// When swapping screens we may need to go to the next line, e.g.,
// after a hit-enter prompt and using ":gui".
if (newline_on_exit)
mch_errmsg("\r\n");
/*
* The parent must skip the normal exit() processing, the child
* will do it. For example, GTK messes up signals when exiting.
*/
_exit(0);
}
// Child
#ifdef FEAT_GUI_GTK
// Call gtk_init_check() here after fork(). See gui_init_check().
if (gui_mch_init_check() != OK)
getout_preserve_modified(1);
#endif
# 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 defined(HAVE_SETSID)
(void)setsid();
# else
(void)setpgid(0, 0);
# endif
# endif
if (!pipe_error)
close(pipefd[0]);
# if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION)
// Tell the session manager our new PID
gui_mch_forked();
# endif
// Try to start the GUI
gui_attempt_start();
// Notify the parent
if (!pipe_error)
{
if (gui.in_use)
write_eintr(pipefd[1], "ok", 3);
else
write_eintr(pipefd[1], "fail", 5);
close(pipefd[1]);
}
// If we failed to start the GUI, exit now.
if (!gui.in_use)
getout_preserve_modified(1);
}
/*
* Read from a pipe assumed to be connected to the child process (this
* function is called from the parent).
* Return GUI_CHILD_OK if the child successfully started the GUI,
* GUY_CHILD_FAILED if the child failed, or GUI_CHILD_IO_ERROR if there was
* some other error.
*
* The file descriptor will be closed before the function returns.
*/
static int
gui_read_child_pipe(int fd)
{
long bytes_read;
#define READ_BUFFER_SIZE 10
char buffer[READ_BUFFER_SIZE];
bytes_read = read_eintr(fd, buffer, READ_BUFFER_SIZE - 1);
#undef READ_BUFFER_SIZE
close(fd);
if (bytes_read < 0)
return GUI_CHILD_IO_ERROR;
buffer[bytes_read] = NUL;
if (strcmp(buffer, "ok") == 0)
return GUI_CHILD_OK;
return GUI_CHILD_FAILED;
}
#endif // GUI_MAY_FORK
/*
* Call this when vim starts up, whether or not the GUI is started
*/
void
gui_prepare(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(void)
{
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;
#ifndef FEAT_GUI_GTK
gui.bold_font = NOFONT;
gui.ital_font = NOFONT;
gui.boldital_font = NOFONT;
# ifdef FEAT_XFONTSET
gui.fontset = NOFONTSET;
# endif
#endif
gui.wide_font = NOFONT;
#ifndef FEAT_GUI_GTK
gui.wide_bold_font = NOFONT;
gui.wide_ital_font = NOFONT;
gui.wide_boldital_font = NOFONT;
#endif
#ifdef FEAT_MENU
# ifndef FEAT_GUI_GTK
# ifdef FONTSET_ALWAYS
gui.menu_fontset = NOFONTSET;
# else
gui.menu_font = NOFONT;
# endif
# 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_TIP
gui.tooltip_fontset = NOFONTSET;
#endif
gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH;
gui.prev_wrap = -1;
#if defined(ALWAYS_USE_GUI) || defined(VIMDLL)
result = OK;
#else
# ifdef FEAT_GUI_GTK
/*
* Note: Don't call gtk_init_check() before fork, it will be called after
* the fork. When calling it before fork, it make vim hang for a while.
* See gui_do_fork().
* Use a simpler check if the GUI window can probably be opened.
*/
result = gui.dofork ? gui_mch_early_init_check(TRUE) : gui_mch_init_check();
# else
result = gui_mch_init_check();
# endif
#endif
return result;
}
/*
* This is the call which starts the GUI.
*/
void
gui_init(void)
{
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;
}
/*
* Reset 'paste'. It's useful in the terminal, but not in the GUI. It
* breaks the Paste toolbar button.
*/
set_option_value((char_u *)"paste", 0L, NULL, 0);
/*
* 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, DOSO_NONE, NULL);
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, SID_NONE);
/*
* 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, DOSO_NONE, NULL) != OK)
semsg(_("E230: Cannot read from \"%s\""), use_gvimrc, NULL);
}
else
{
/*
* Get system wide defaults for gvim, only when file name defined.
*/
#ifdef SYS_GVIMRC_FILE
do_source((char_u *)SYS_GVIMRC_FILE, FALSE, DOSO_NONE, NULL);
#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,
DOSO_GVIMRC, NULL) == FAIL
#ifdef USR_GVIMRC_FILE2
&& do_source((char_u *)USR_GVIMRC_FILE2, TRUE,
DOSO_GVIMRC, NULL) == FAIL
#endif
#ifdef USR_GVIMRC_FILE3
&& do_source((char_u *)USR_GVIMRC_FILE3, TRUE,
DOSO_GVIMRC, NULL) == FAIL
#endif
)
{
#ifdef USR_GVIMRC_FILE4
(void)do_source((char_u *)USR_GVIMRC_FILE4, TRUE,
DOSO_GVIMRC, NULL);
#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
{
stat_T 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, TRUE) != FPC_SAME
#ifdef SYS_GVIMRC_FILE
&& fullpathcmp((char_u *)SYS_GVIMRC_FILE,
(char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
#endif
#ifdef USR_GVIMRC_FILE2
&& fullpathcmp((char_u *)USR_GVIMRC_FILE2,
(char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
#endif
#ifdef USR_GVIMRC_FILE3
&& fullpathcmp((char_u *)USR_GVIMRC_FILE3,
(char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
#endif
#ifdef USR_GVIMRC_FILE4
&& fullpathcmp((char_u *)USR_GVIMRC_FILE4,
(char_u *)GVIMRC_FILE, FALSE, TRUE) != FPC_SAME
#endif
)
do_source((char_u *)GVIMRC_FILE, TRUE, DOSO_GVIMRC, NULL);
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;
clear_sb_text(TRUE);
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)
{
emsg(_("E665: Cannot start GUI, no valid font found"));
goto error2;
}
if (gui_get_wide_font() == FAIL)
emsg(_("E231: 'guifontwide' invalid"));
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_SIGN_ICONS
sign_gui_started();
#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;
#ifdef FEAT_GUI_MSWIN
// 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.
// If the window is already maximized (e.g. when --windowid is passed in),
// we want to use the system-provided dimensions by passing FALSE to
// mustset. Otherwise, we want to initialize with the default rows/columns.
if (gui_mch_maximized())
gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
else
gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH);
#else
# ifndef FEAT_GUI_GTK
gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
# endif
#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_ARABIC
// Our GUI can't do bidi.
p_tbidi = FALSE;
#endif
#if defined(FEAT_GUI_GTK)
// Give GTK+ a chance to put all widget's into place.
gui_mch_update();
# ifdef FEAT_MENU
// If there is no 'm' in 'guioptions' we need to remove the menu now.
// It was still there to make F10 work.
if (vim_strchr(p_go, GO_MENUS) == NULL)
{
--gui.starting;
gui_mch_enable_menu(FALSE);
++gui.starting;
gui_mch_update();
}
# endif
// Now make sure the shell fits on the screen.
if (gui_mch_maximized())
gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
else
gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH);
#endif
// When 'lines' was set while starting up the topframe may have to be
// resized.
win_new_shellsize();
#ifdef FEAT_BEVAL_GUI
// Always create the Balloon Evaluation area, but disable it when
// 'ballooneval' is off.
if (balloonEval != NULL)
{
# ifdef FEAT_VARTABS
vim_free(balloonEval->vts);
# endif
vim_free(balloonEval);
}
balloonEvalForTerm = FALSE;
# ifdef FEAT_GUI_GTK
balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL,
&general_beval_cb, NULL);
# else
# if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)
{
extern Widget textArea;
balloonEval = gui_mch_create_beval_area(textArea, NULL,
&general_beval_cb, NULL);
}
# else
# ifdef FEAT_GUI_MSWIN
balloonEval = gui_mch_create_beval_area(NULL, NULL,
&general_beval_cb, NULL);
# endif
# endif
# endif
if (!p_beval)
gui_mch_disable_beval_area(balloonEval);
#endif
#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
if (!im_xim_isvalid_imactivate())
emsg(_("E599: Value of 'imactivatekey' is invalid"));
#endif
// When 'cmdheight' was set during startup it may not have taken
// effect yet.
if (p_ch != 1L)
command_height();
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(int rc)
{
// don't free the fonts, it leads to a BUS error
// richard@whitequeen.com Jul 99
free_highlight_fonts();
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(FEAT_GUI_MAC) || defined(PROTO)
# define NEED_GUI_UPDATE_SCREEN 1
/*
* 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(void)
{
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, FALSE))
getout(0);
exiting = FALSE;
cmdmod = save_cmdmod;
gui_update_screen(); // redraw, window may show changed buffer
}
#endif
/*
* Set the font. "font_list" is 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.
*/
int
gui_init_font(char_u *font_list, int fontset UNUSED)
{
#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, ",");
// Careful!!! The Win32 version of gui_mch_init_font(), when
// called with "*" will change p_guifont to the selected font
// name, which frees the old value. This makes font_list
// invalid. Thus when OK is returned here, font_list must no
// longer be used!
if (gui_mch_init_font(font_name, FALSE) == OK)
{
#if !defined(FEAT_GUI_GTK)
// 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)
{
#ifndef FEAT_GUI_GTK
// 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);
#endif
gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH);
}
return ret;
}
#ifndef FEAT_GUI_GTK
/*
* Try setting 'guifontwide' to a font twice as wide as "name".
*/
static void
set_guifontwide(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_mch_free_font(gui.wide_font);
gui.wide_font = font;
set_string_option_direct((char_u *)"gfw", -1,
wide_name, OPT_FREE, 0);
}
}
break;
}
}
}
}
#endif // !FEAT_GUI_GTK
/*
* Get the font for 'guifontwide'.
* Return FAIL for an invalid font name.
*/
int
gui_get_wide_font(void)
{
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);
#ifdef FEAT_GUI_GTK
// Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'.
if (font != NOFONT && gui.norm_font != NOFONT
&& pango_font_description_equal(font, gui.norm_font))
{
gui.wide_font = NOFONT;
gui_mch_free_font(font);
}
else
#endif
gui.wide_font = font;
#ifdef FEAT_GUI_MSWIN
gui_mch_wide_font_changed();
#else
/*
* TODO: setup wide_bold_font, wide_ital_font and wide_boldital_font to
* support those fonts for 'guifontwide'.
*/
#endif
return OK;
}
static void
gui_set_cursor(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(void)
{
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(
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;
cursorentry_T *shape;
int id;
#ifdef FEAT_TERMINAL
guicolor_T shape_fg = INVALCOLOR;
guicolor_T shape_bg = INVALCOLOR;
#endif
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 or the screen size
// doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then.
if (!can_update_cursor || screen_Columns != gui.num_cols
|| screen_Rows != gui.num_rows)
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 HAVE_INPUT_METHOD
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;
// 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;
gui.cursor_is_valid = TRUE;
/*
* How the cursor is drawn depends on the current mode.
* When in a terminal window use the shape/color specified there.
*/
#ifdef FEAT_TERMINAL
if (terminal_is_active())
shape = term_get_cursor_shape(&shape_fg, &shape_bg);
else
#endif
shape = &shape_table[get_shape_idx(FALSE)];
if (State & LANGMAP)
id = shape->id_lm;
else
id = shape->id;
// get the colors and attributes for the cursor. Default is inverted
cfg = INVALCOLOR;
cbg = INVALCOLOR;
cattr = HL_INVERSE;
gui_mch_set_blinking(shape->blinkwait,
shape->blinkon,
shape->blinkoff);
if (shape->blinkwait == 0 || shape->blinkon == 0
|| shape->blinkoff == 0)
gui_mch_stop_blink(FALSE);
#ifdef FEAT_TERMINAL
if (shape_bg != INVALCOLOR)
{
cattr = 0;
cfg = shape_fg;
cbg = shape_bg;
}
else
#endif
if (id > 0)
{
cattr = syn_id2colors(id, &cfg, &cbg);
#if defined(HAVE_INPUT_METHOD)
{
static int iid;
guicolor_T fg, bg;
if (
# if defined(FEAT_GUI_GTK) && defined(FEAT_XIM)
preedit_get_status()
# else
im_get_status()
# endif
)
{
iid = syn_name2id((char_u *)"CursorIM");
if (iid > 0)
{
syn_id2colors(iid, &fg, &bg);
if (bg != INVALCOLOR)
cbg = bg;
if (fg != INVALCOLOR)
cfg = fg;
}
}
}
#endif
}
/*
* 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 == INVALCOLOR)
cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
: aep->ae_u.gui.fg_color);
if (cbg == INVALCOLOR)
cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color
: aep->ae_u.gui.bg_color);
}
if (cfg == INVALCOLOR)
cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel;
if (cbg == INVALCOLOR)
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);
xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color
: aep->ae_u.gui.fg_color);
if (xim_bg_color == INVALCOLOR)
xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel
: gui.back_pixel;
if (xim_fg_color == INVALCOLOR)
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->shape == SHAPE_BLOCK)
{
/*
* Draw the text character with the cursor colors. Use the
* character attributes plus the cursor attributes.
*/
gui.highlight_mask = (cattr | attr);
(void)gui_screenchar(LineOffset[gui.row] + gui.col,
GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0);
}
else
{
#if defined(FEAT_RIGHTLEFT)
int col_off = FALSE;
#endif
/*
* First draw the partial cursor, then overwrite with the text
* character, using a transparent background.
*/
if (shape->shape == SHAPE_VER)
{
cur_height = gui.char_height;
cur_width = (gui.char_width * shape->percentage + 99) / 100;
}
else
{
cur_height = (gui.char_height * shape->percentage + 99) / 100;
cur_width = gui.char_width;
}
if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col,
LineOffset[gui.row] + screen_Columns) > 1)
{
// Double wide character.
if (shape->shape != SHAPE_VER)
cur_width += gui.char_width;
#ifdef FEAT_RIGHTLEFT
if (CURSOR_BAR_RIGHT)
{
// gui.col points to the left halve of the character but
// the vertical line needs to be on the right halve.
// A double-wide horizontal line is also drawn from the
// right halve in gui_mch_draw_part_cursor().
col_off = TRUE;
++gui.col;
}
#endif
}
gui_mch_draw_part_cursor(cur_width, cur_height, cbg);
#if defined(FEAT_RIGHTLEFT)
if (col_off)
--gui.col;
#endif
#ifndef FEAT_GUI_MSWIN // doesn't seem to work for MSWindows
gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col];
(void)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(void)
{
# 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().
*/
static void
gui_position_components(int total_width UNUSED)
{
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_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \
|| defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MAC))
if (gui_has_tabline())
text_area_y += gui.tabline_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
#if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK)
+ 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;
}
/*
* Get the width of the widgets and decorations to the side of the text area.
*/
int
gui_get_base_width(void)
{
int base_width;
base_width = 2 * gui.border_offset;
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;
}
/*
* Get the height of the widgets and decorations above and below the text area.
*/
int
gui_get_base_height(void)
{
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
# if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \
|| defined(FEAT_GUI_MOTIF))
if (gui_has_tabline())
base_height += gui.tabline_height;
# 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(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:
new_pixel_width = 0;
new_pixel_height = 0;
busy = TRUE;
// 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()) / 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;
// Only comparing Rows and Columns may be sufficient, but let's stay on
// the safe side.
if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns
|| gui.num_rows != Rows || gui.num_cols != Columns)
shell_resized();
gui_update_scrollbars(TRUE);
gui_update_cursor(FALSE, TRUE);
#if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK)
xim_set_status_area();
#endif
busy = FALSE;
// We may have been called again while redrawing the screen.
// Need to do it all again with the latest size then. But only if the size
// actually changed.
if (new_pixel_height)
{
if (pixel_width == new_pixel_width && pixel_height == new_pixel_height)
{
new_pixel_width = 0;
new_pixel_height = 0;
}
else
{
pixel_width = new_pixel_width;
pixel_height = new_pixel_height;
goto again;
}
}
}
/*
* Check if gui_resize_shell() must be called.
*/
void
gui_may_resize_shell(void)
{
if (new_pixel_height)
// careful: gui_resize_shell() may postpone the resize again if we
// were called indirectly by it
gui_resize_shell(new_pixel_width, new_pixel_height);
}
int
gui_get_shellsize(void)
{
Rows = gui.num_rows;
Columns = gui.num_cols;
return OK;
}
/*
* Set the size of the Vim shell according to Rows and Columns.
* If "fit_to_display" is TRUE then the size may be reduced to fit the window
* on the screen.
* When "mustset" is TRUE the size was set by the user. When FALSE a UI
* component was added or removed (e.g., a scrollbar).
*/
void
gui_set_shellsize(
int mustset UNUSED,
int fit_to_display,
int direction) // RESIZE_HOR, RESIZE_VER
{
int base_width;
int base_height;
int width;
int height;
int min_width;
int min_height;
int screen_w;
int screen_h;
#ifdef FEAT_GUI_GTK
int un_maximize = mustset;
int did_adjust = 0;
#endif
int x = -1, y = -1;
if (!gui.shell_created)
return;
#if defined(MSWIN) || defined(FEAT_GUI_GTK)
// If not setting to a user specified size and maximized, calculate the
// number of characters that fit in the maximized window.
if (!mustset && (vim_strchr(p_go, GO_KEEPWINSIZE) != NULL
|| gui_mch_maximized()))
{
gui_mch_newfont();
return;
}
#endif
base_width = gui_get_base_width();
base_height = gui_get_base_height();
if (fit_to_display)
// Remember the original window position.
(void)gui_mch_get_winpos(&x, &y);
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 ((direction & RESIZE_HOR) && 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;
#ifdef FEAT_GUI_GTK
++did_adjust;
#endif
}
if ((direction & RESIZE_VERT) && height > screen_h)
{
Rows = (screen_h - base_height) / gui.char_height;
check_shellsize();
height = Rows * gui.char_height + base_height;
#ifdef FEAT_GUI_GTK
++did_adjust;
#endif
}
#ifdef FEAT_GUI_GTK
if (did_adjust == 2 || (width + gui.char_width >= screen_w
&& height + gui.char_height >= screen_h))
// don't unmaximize if at maximum size
un_maximize = FALSE;
#endif
}
limit_screen_size();
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;
min_height += tabline_height() * gui.char_height;
#ifdef FEAT_GUI_GTK
if (un_maximize)
{
// If the window size is smaller than the screen unmaximize the
// window, otherwise resizing won't work.
gui_mch_get_screen_dimensions(&screen_w, &screen_h);
if ((width + gui.char_width < screen_w
|| height + gui.char_height * 2 < screen_h)
&& gui_mch_maximized())
gui_mch_unmaximize();
}
#endif
gui_mch_set_shellsize(width, height, min_width, min_height,
base_width, base_height, direction);
if (fit_to_display && x >= 0 && y >= 0)
{
// Some window managers put the Vim window left of/above the screen.
// Only change the position if it wasn't already negative before
// (happens on MS-Windows with a secondary monitor).
gui_mch_update();
if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0))
gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y);
}
gui_position_components(width);
gui_update_scrollbars(TRUE);
gui_reset_scroll_region();
}
/*
* Called when Rows and/or Columns has changed.
*/
void
gui_new_shellsize(void)
{
gui_reset_scroll_region();
}
/*
* Make scroll region cover whole screen.
*/
static void
gui_reset_scroll_region(void)
{
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;
}
static void
gui_start_highlight(int mask)
{
if (mask > HL_ALL) // highlight code
gui.highlight_mask = mask;
else // mask
gui.highlight_mask |= mask;
}
void
gui_stop_highlight(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(
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(void)
{
OUT_STR(IF_EB("\033|s", ESC_STR "|s"));
}
void
gui_write(
char_u *s,
int len)
{
char_u *p;
int arg1 = 0, arg2 = 0;
int force_cursor = FALSE; // force cursor update
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_byte(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 (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(*(p + 1))))
{
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;
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;
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
# ifdef FEAT_NETBEANS_INTG
&& s[0] != MULTISIGN_BYTE
# endif
#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
# ifdef FEAT_NETBEANS_INTG
|| *p == MULTISIGN_BYTE
# endif
#endif
))
{
len--;
p++;
}
gui_outstr(s, (int)(p - s));
s = p;
}
}
// Postponed update of the cursor (won't work if "can_update_cursor" isn't
// set).
if (force_cursor)
gui_update_cursor(TRUE, 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_may_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(int undraw)
{
if (gui.in_use)
{
// Undraw the cursor now, we probably can't do it after the change.
if (undraw)
gui_undraw_cursor();
can_update_cursor = FALSE;
}
}
void
gui_can_update_cursor(void)
{
can_update_cursor = TRUE;
// No need to update the cursor right now, there is always more output
// after scrolling.
}
/*
* Disable issuing gui_mch_flush().
*/
void
gui_disable_flush(void)
{
++disable_flush;
}
/*
* Enable issuing gui_mch_flush().
*/
void
gui_enable_flush(void)
{
--disable_flush;
}
/*
* Issue gui_mch_flush() if it is not disabled.
*/
void
gui_may_flush(void)
{
if (disable_flush == 0)
gui_mch_flush();
}
static void
gui_outstr(char_u *s, int len)
{
int this_len;
int cells;
if (len == 0)
return;
if (len < 0)
len = (int)STRLEN(s);
while (len > 0)
{
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)(s + this_len);
}
if (this_len > len)
this_len = len; // don't include following composing char
}
else
if (gui.col + len > Columns)
this_len = Columns - gui.col;
else
this_len = len;
(void)gui_outstr_nowrap(s, this_len,
0, (guicolor_T)0, (guicolor_T)0, 0);
s += this_len;
len -= this_len;
// fill up for a double-width char that doesn't fit.
if (len > 0 && gui.col < Columns)
(void)gui_outstr_nowrap((char_u *)" ", 1,
0, (guicolor_T)0, (guicolor_T)0, 0);
// 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".
* Returns FAIL or OK, just like gui_outstr_nowrap().
*/
static int
gui_screenchar(
int off, // Offset from start of screen
int flags,
guicolor_T fg, // colors for cursor
guicolor_T bg, // colors for cursor
int back) // backup this many chars when using bold trick
{
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 OK;
if (enc_utf8 && ScreenLinesUC[off] != 0)
// Draw UTF-8 multi-byte character.
return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf),
flags, fg, bg, back);
if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
{
buf[0] = ScreenLines[off];
buf[1] = ScreenLines2[off];
return gui_outstr_nowrap(buf, 2, flags, fg, bg, back);
}
// Draw non-multi-byte character or DBCS character.
return gui_outstr_nowrap(ScreenLines + off,
enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1,
flags, fg, bg, back);
}
#ifdef FEAT_GUI_GTK
/*
* Output the string at the given screen position. This is used in place
* of gui_screenchar() where possible because Pango needs as much context
* as possible to work nicely. It's a lot faster as well.
*/
static int
gui_screenstr(
int off, // Offset from start of screen
int len, // string length in screen cells
int flags,
guicolor_T fg, // colors for cursor
guicolor_T bg, // colors for cursor
int back) // backup this many chars when using bold trick
{
char_u *buf;
int outlen = 0;
int i;
int retval;
if (len <= 0) // "cannot happen"?
return OK;
if (enc_utf8)
{
buf = alloc(len * MB_MAXBYTES + 1);
if (buf == NULL)
return OK; // not much we could do here...
for (i = off; i < off + len; ++i)
{
if (ScreenLines[i] == 0)
continue; // skip second half of double-width char
if (ScreenLinesUC[i] == 0)
buf[outlen++] = ScreenLines[i];
else
outlen += utfc_char2bytes(i, buf + outlen);
}
buf[outlen] = NUL; // only to aid debugging
retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back);
vim_free(buf);
return retval;
}
else if (enc_dbcs == DBCS_JPNU)
{
buf = alloc(len * 2 + 1);
if (buf == NULL)
return OK; // not much we could do here...
for (i = off; i < off + len; ++i)
{
buf[outlen++] = ScreenLines[i];
// handle double-byte single-width char
if (ScreenLines[i] == 0x8e)
buf[outlen++] = ScreenLines2[i];
else if (MB_BYTE2LEN(ScreenLines[i]) == 2)
buf[outlen++] = ScreenLines[++i];
}
buf[outlen] = NUL; // only to aid debugging
retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back);
vim_free(buf);
return retval;
}
else
{
return gui_outstr_nowrap(&ScreenLines[off], len,
flags, fg, bg, back);
}
}
#endif // FEAT_GUI_GTK
/*
* 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 transparent
* background.
* GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over
* it.
* Returns OK, unless "back" is non-zero and using the bold trick, then return
* FAIL (the caller should start drawing "back" chars back).
*/
static int
gui_outstr_nowrap(
char_u *s,
int len,
int flags,
guicolor_T fg, // colors for cursor
guicolor_T 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;
guicolor_T sp_color;
#if !defined(FEAT_GUI_GTK)
GuiFont font = NOFONT;
GuiFont wide_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;
int signcol = 0;
char_u extra[18];
# ifdef FEAT_NETBEANS_INTG
int multi_sign = FALSE;
# endif
#endif
if (len < 0)
len = (int)STRLEN(s);
if (len == 0)
return OK;
#ifdef FEAT_SIGN_ICONS
if (*s == SIGN_BYTE
# ifdef FEAT_NETBEANS_INTG
|| *s == MULTISIGN_BYTE
# endif
)
{
# ifdef FEAT_NETBEANS_INTG
if (*s == MULTISIGN_BYTE)
multi_sign = TRUE;
# endif
// draw spaces instead
if (*curwin->w_p_scl == 'n' && *(curwin->w_p_scl + 1) == 'u' &&
(curwin->w_p_nu || curwin->w_p_rnu))
{
sprintf((char *)extra, "%*c ", number_width(curwin), ' ');
s = extra;
}
else
s = (char_u *)" ";
if (len == 1 && col > 0)
--col;
len = (int)STRLEN(s);
if (len > 2)
// right align sign icon in the number column
signcol = col + len - 3;
else
signcol = col;
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;
#if !defined(FEAT_GUI_GTK)
// 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;
/*
* Choose correct wide_font by font. wide_font should be set with font
* at same time in above block. But it will make many "ifdef" nasty
* blocks. So we do it here.
*/
if (font == gui.boldital_font && gui.wide_boldital_font)
wide_font = gui.wide_boldital_font;
else if (font == gui.bold_font && gui.wide_bold_font)
wide_font = gui.wide_bold_font;
else if (font == gui.ital_font && gui.wide_ital_font)
wide_font = gui.wide_ital_font;
else if (font == gui.norm_font && gui.wide_font)
wide_font = gui.wide_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;
sp_color = fg;
}
else if (aep != NULL)
{
fg_color = aep->ae_u.gui.fg_color;
if (fg_color == INVALCOLOR)
fg_color = gui.norm_pixel;
bg_color = aep->ae_u.gui.bg_color;
if (bg_color == INVALCOLOR)
bg_color = gui.back_pixel;
sp_color = aep->ae_u.gui.sp_color;
if (sp_color == INVALCOLOR)
sp_color = fg_color;
}
else
{
fg_color = gui.norm_pixel;
sp_color = fg_color;
}
if (highlight_mask & (HL_INVERSE | HL_STANDOUT))
{
#if defined(AMIGA)
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)
gui_mch_set_colors(fg_color, bg_color);
#else
gui_mch_set_fg_color(fg_color);
gui_mch_set_bg_color(bg_color);
#endif
}
gui_mch_set_sp_color(sp_color);
// Clear the selection if we are about to write over it
if (!(flags & GUI_MON_NOCLEAR))
clip_may_clear_selection(gui.row, gui.row);
// If there's no bold font, then fake it
if (hl_mask_todo & (HL_BOLD | HL_STANDOUT))
draw_flags |= DRAW_BOLD;
/*
* When drawing bold or italic characters the spill-over from the left
* neighbor may be destroyed. Let the caller backup to start redrawing
* just after a blank.
*/
if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC)))
return FAIL;
#if defined(FEAT_GUI_GTK)
// If there's no italic font, then fake it.
// For GTK2, we don't need a different font for italic style.
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) || (hl_mask_todo & HL_ITALIC))
draw_flags |= DRAW_UNDERL;
#endif
// Do we undercurl the text?
if (hl_mask_todo & HL_UNDERCURL)
draw_flags |= DRAW_UNDERC;
// Do we strikethrough the text?
if (hl_mask_todo & HL_STRIKETHROUGH)
draw_flags |= DRAW_STRIKE;
// Do we draw transparently?
if (flags & GUI_MON_TRS_CURSOR)
draw_flags |= DRAW_TRANSP;
/*
* Draw the text.
*/
#ifdef FEAT_GUI_GTK
// The value returned is the length in display cells
len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags);
#else
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 drawn
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 curr_wide = FALSE; // use 'guifontwide'
int prev_wide = FALSE;
int wide_changed;
# ifdef MSWIN
int sep_comp = FALSE; // Don't separate composing chars.
# else
int sep_comp = TRUE; // Separate composing chars.
# endif
// 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);
comping = utf_iscomposing(c);
if (!comping) // count cells from non-composing chars
cells += cn;
if (!comping || sep_comp)
{
if (cn > 1
# ifdef FEAT_XFONTSET
&& fontset == NOFONTSET
# endif
&& wide_font != NOFONT)
curr_wide = TRUE;
else
curr_wide = FALSE;
}
cl = utf_ptr2len(s + i);
if (cl == 0) // hit end of string
len = i + cl; // len must be wrong "cannot happen"
wide_changed = curr_wide != prev_wide;
// Print the string so far if it's the last character or there is
// a composing character.
if (i + cl >= len || (comping && sep_comp && i > start)
|| wide_changed
# if defined(FEAT_GUI_X11)
|| (cn > 1
# ifdef FEAT_XFONTSET
// No fontset: At least draw char after wide char at
// right position.
&& fontset == NOFONTSET
# endif
)
# endif
)
{
if ((comping && sep_comp) || wide_changed)
thislen = i - start;
else
thislen = i - start + cl;
if (thislen > 0)
{
if (prev_wide)
gui_mch_set_font(wide_font);
gui_mch_draw_string(gui.row, scol, s + start, thislen,
draw_flags);
if (prev_wide)
gui_mch_set_font(font);
start += thislen;
}
scol += cells;
cells = 0;
// Adjust to not draw a character which width is changed
// against with last one.
if (wide_changed && !(comping && sep_comp))
{
scol -= cn;
cl = 0;
}
# if defined(FEAT_GUI_X11)
// 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
&& !wide_changed)
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 && sep_comp)
{
# if defined(__APPLE_CC__) && TARGET_API_MAC_CARBON
// Carbon ATSUI autodraws composing char over previous char
gui_mch_draw_string(gui.row, scol, s + i, cl,
draw_flags | DRAW_TRANSP);
# else
gui_mch_draw_string(gui.row, scol - cn, s + i, cl,
draw_flags | DRAW_TRANSP);
# endif
start = i + cl;
}
prev_wide = curr_wide;
}
// The stuff below assumes "len" is the length in screen columns.
len = scol - col;
}
else
{
gui_mch_draw_string(gui.row, col, s, len, draw_flags);
if (enc_dbcs == DBCS_JPNU)
{
// Get the length in display cells, this can be different from the
// number of bytes for "euc-jp".
len = mb_string2cells(s, len);
}
}
#endif // !FEAT_GUI_GTK
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, signcol, gui.highlight_mask);
# if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \
|| defined(FEAT_GUI_GTK) || defined(FEAT_GUI_MSWIN))
if (multi_sign)
netbeans_draw_multisign_indicator(gui.row);
# endif
#endif
return OK;
}
/*
* 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(void)
{
if (gui.cursor_is_valid)
{
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);
// Cursor_is_valid is reset when the cursor is undrawn, also reset it
// here in case it wasn't needed to undraw it.
gui.cursor_is_valid = FALSE;
}
}
void
gui_redraw(
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(TRUE, 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(
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;
sattr_T first_attr;
int idx, len;
int back, nback;
int retval = FALSE;
int orig_col1, orig_col2;
// 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;
orig_col1 = col1;
orig_col2 = col2;
for (gui.row = row1; gui.row <= row2; gui.row++)
{
// 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)
{
if (col1 > 0)
--col1;
else
{
// FIXME: how can the first character ever be zero?
// Make this IEMSGN when it no longer breaks Travis CI.
vim_snprintf((char *)IObuff, IOSIZE,
"INTERNAL ERROR: NUL in ScreenLines in row %ld",
(long)gui.row);
msg((char *)IObuff);
}
}
#ifdef FEAT_GUI_GTK
if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0)
++col2;
#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
&& ScreenLines[off - 1] != ' ');
// 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;
#if !defined(FEAT_GUI_GTK)
if (enc_utf8 && ScreenLinesUC[off] != 0)
{
// output multi-byte character separately
nback = gui_screenchar(off, flags,
(guicolor_T)0, (guicolor_T)0, back);
if (gui.col < Columns && ScreenLines[off + 1] == 0)
idx = 2;
else
idx = 1;
}
else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)
{
// output double-byte, single-width character separately
nback = gui_screenchar(off, flags,
(guicolor_T)0, (guicolor_T)0, back);
idx = 1;
}
else
#endif
{
#ifdef FEAT_GUI_GTK
for (idx = 0; idx < len; ++idx)
{
if (enc_utf8 && ScreenLines[off + idx] == 0)
continue; // skip second half of double-width char
if (ScreenAttrs[off + idx] != first_attr)
break;
}
// gui_screenstr() takes care of multibyte chars
nback = gui_screenstr(off, idx, flags,
(guicolor_T)0, (guicolor_T)0, back);
#else
for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr;
idx++)
{
// 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)(ScreenLines
+ off + idx) == 2)
++idx; // skip second byte of double-byte char
}
}
nback = gui_outstr_nowrap(ScreenLines + off, idx, flags,
(guicolor_T)0, (guicolor_T)0, back);
#endif
}
if (nback == FAIL)
{
// Must back up to start drawing where a bold or italic word
// starts.
off -= back;
len += back;
gui.col -= back;
}
else
{
off += idx;
len -= idx;
}
back = 0;
}
}
// Put the cursor back where it was
gui.row = old_row;
gui.col = old_col;
gui.highlight_mask = (int)old_hl_mask;
return retval;
}
static void
gui_delete_lines(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(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;
}
}
}
#ifdef FEAT_TIMERS
/*
* Passed to ui_wait_for_chars_or_timer(), ignoring extra arguments.
*/
static int
gui_wait_for_chars_3(
long wtime,
int *interrupted UNUSED,
int ignore_input UNUSED)
{
return gui_mch_wait_for_chars(wtime);
}
#endif
/*
* Returns OK if a character was found to be available within the given time,
* or FAIL otherwise.
*/
static int
gui_wait_for_chars_or_timer(
long wtime,
int *interrupted UNUSED,
int ignore_input UNUSED)
{
#ifdef FEAT_TIMERS
return ui_wait_for_chars_or_timer(wtime, gui_wait_for_chars_3,
interrupted, ignore_input);
#else
return gui_mch_wait_for_chars(wtime);
#endif
}
/*
* 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 the number of characters read or zero when timed out or interrupted.
* "buf" may be NULL, in which case a non-zero number is returned if characters
* are available.
*/
static int
gui_wait_for_chars_buf(
char_u *buf,
int maxlen,
long wtime, // don't use "time", MIPS cannot handle it
int tb_change_cnt)
{
int retval;
#ifdef FEAT_MENU
// If we're going to wait a bit, update the menus and mouse shape for the
// current State.
if (wtime != 0)
gui_update_menus(0);
#endif
gui_mch_update();
if (input_available()) // Got char, return immediately
{
if (buf != NULL && !typebuf_changed(tb_change_cnt))
return read_from_input_buf(buf, (long)maxlen);
return 0;
}
if (wtime == 0) // Don't wait for char
return FAIL;
// Before waiting, flush any output to the screen.
gui_mch_flush();
// Blink while waiting for a character.
gui_mch_start_blink();
// Common function to loop until "wtime" is met, while handling timers and
// other callbacks.
retval = inchar_loop(buf, maxlen, wtime, tb_change_cnt,
gui_wait_for_chars_or_timer, NULL);
gui_mch_stop_blink(TRUE);
return retval;
}
/*
* Wait for a character from the keyboard without actually reading it.
* Also deals with timers.
* 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(long wtime, int tb_change_cnt)
{
return gui_wait_for_chars_buf(NULL, 0, wtime, tb_change_cnt);
}
/*
* Equivalent of mch_inchar() for the GUI.
*/
int
gui_inchar(
char_u *buf,
int maxlen,
long wtime, // milli seconds
int tb_change_cnt)
{
return gui_wait_for_chars_buf(buf, maxlen, wtime, tb_change_cnt);
}
/*
* Fill p[4] with mouse coordinates encoded for check_termcode().
*/
static void
fill_mouse_coord(char_u *p, int col, int row)
{
p[0] = (char_u)(col / 128 + ' ' + 1);
p[1] = (char_u)(col % 128 + ' ' + 1);
p[2] = (char_u)(row / 128 + ' ' + 1);
p[3] = (char_u)(row % 128 + ' ' + 1);
}
/*
* 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_X1, MOUSE_X2
* MOUSE_DRAG, or MOUSE_RELEASE.
* MOUSE_4 and MOUSE_5 are used for vertical scroll wheel,
* MOUSE_6 and MOUSE_7 for horizontal 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(
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[10];
enum key_extra button_char;
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.
*/
switch (button)
{
case MOUSE_X1:
button_char = KE_X1MOUSE;
goto button_set;
case MOUSE_X2:
button_char = KE_X2MOUSE;
goto button_set;
case MOUSE_4:
button_char = KE_MOUSEDOWN;
goto button_set;
case MOUSE_5:
button_char = KE_MOUSEUP;
goto button_set;
case MOUSE_6:
button_char = KE_MOUSELEFT;
goto button_set;
case MOUSE_7:
button_char = KE_MOUSERIGHT;
button_set:
{
// 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_char;
// Pass the pointer coordinates of the scroll event so that we
// know which window to scroll.
row = gui_xy2colrow(x, y, &col);
string[6] = (char_u)(col / 128 + ' ' + 1);
string[7] = (char_u)(col % 128 + ' ' + 1);
string[8] = (char_u)(row / 128 + ' ' + 1);
string[9] = (char_u)(row % 128 + ' ' + 1);
if (modifiers == 0)
add_to_input_buf(string + 3, 7);
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, 10);
}
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);
// A release event may still need to be sent if the position is equal.
row = gui_xy2colrow(x, y, &col);
if (button != MOUSE_RELEASE || row != prev_row || col != prev_col)
return;
}
// Determine which mouse settings to look for based on the current mode
switch (get_real_state())
{
case NORMAL_BUSY:
case OP_PENDING:
# ifdef FEAT_TERMINAL
case TERMINAL:
# endif
case NORMAL: checkfor = MOUSE_NORMAL; break;
case VISUAL: checkfor = MOUSE_VISUAL; break;
case SELECTMODE: checkfor = MOUSE_VISUAL; break;
case REPLACE:
case REPLACE+LANGMAP:
case VREPLACE:
case VREPLACE+LANGMAP:
case INSERT:
case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break;
case ASKMORE:
case HITRETURN: // At the more- and hit-enter prompt pass the
// mouse event for a click on or below the
// message line.
if (Y_2_ROW(y) >= msg_row)
checkfor = MOUSE_NORMAL;
else
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 + firstwin->w_winrow
&& button != MOUSE_DRAG
# ifdef FEAT_MOUSESHAPE
&& !drag_status_line
&& !drag_sep_line
# 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)
{
// Don't do modeless selection in Visual mode.
if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL))
return;
/*
* 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 == MOUSE_LEFT)
{
clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click);
did_clip = TRUE;
}
// 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(&clip_star);
#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;
fill_mouse_coord(string + 4, col, row);
add_to_input_buf(string, 8);
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. Neither does GTK+ 2 -- at least for now.
*/
#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK)
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;
*/
static int
gui_xy2colrow(int x, int y, int *colp)
{
int col = check_col(X_2_COL(x));
int row = check_row(Y_2_ROW(y));
*colp = mb_fix_col(col, row);
return row;
}
#if defined(FEAT_MENU) || defined(PROTO)
/*
* Callback function for when a menu entry has been selected.
*/
void
gui_menu_cb(vimmenu_T *menu)
{
char_u bytes[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_to_input_buf(bytes, 3);
add_long_to_buf((long_u)menu, bytes);
add_to_input_buf_csi(bytes, sizeof(long_u));
}
#endif
static int prev_which_scrollbars[3];
/*
* Set which components are present.
* If "oldval" is not NULL, "oldval" is the previous value, the new value is
* in p_go.
*/
void
gui_init_which_components(char_u *oldval UNUSED)
{
#ifdef FEAT_GUI_DARKTHEME
static int prev_dark_theme = -1;
int using_dark_theme = FALSE;
#endif
#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_GUI_TABLINE
int using_tabline;
#endif
#ifdef FEAT_FOOTER
static int prev_footer = -1;
int using_footer = FALSE;
#endif
#if defined(FEAT_MENU)
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;
int fix_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;
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;
case GO_BOT:
gui.which_scrollbars[SBAR_BOTTOM] = TRUE;
break;
#ifdef FEAT_GUI_DARKTHEME
case GO_DARKTHEME:
using_dark_theme = TRUE;
break;
#endif
#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)
using_tearoff = TRUE;
#endif
break;
default:
// Ignore options that are not supported
break;
}
if (gui.in_use)
{
need_set_size = 0;
fix_size = FALSE;
#ifdef FEAT_GUI_DARKTHEME
if (using_dark_theme != prev_dark_theme)
{
gui_mch_set_dark_theme(using_dark_theme);
prev_dark_theme = using_dark_theme;
}
#endif
#ifdef FEAT_GUI_TABLINE
// Update the GUI tab line, it may appear or disappear. This may
// cause the non-GUI tab line to disappear or appear.
using_tabline = gui_has_tabline();
if (!gui_mch_showing_tabline() != !using_tabline)
{
// We don't want a resize event change "Rows" here, save and
// restore it. Resizing is handled below.
i = Rows;
gui_update_tabline();
Rows = i;
need_set_size |= RESIZE_VERT;
if (using_tabline)
fix_size = TRUE;
if (!gui_use_tabline())
redraw_tabline = TRUE; // may draw non-GUI tab line
}
#endif
for (i = 0; i < 3; i++)
{
// The scrollbar needs to be updated when it is shown/unshown and
// when switching tab pages. But the size only changes when it's
// shown/unshown. Thus we need two places to remember whether a
// scrollbar is there or not.
if (gui.which_scrollbars[i] != prev_which_scrollbars[i]
|| gui.which_scrollbars[i]
!= curtab->tp_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]);
}
if (gui.which_scrollbars[i] != prev_which_scrollbars[i])
{
if (i == SBAR_BOTTOM)
need_set_size |= RESIZE_VERT;
else
need_set_size |= RESIZE_HOR;
if (gui.which_scrollbars[i])
fix_size = TRUE;
}
}
curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i];
prev_which_scrollbars[i] = gui.which_scrollbars[i];
}
#ifdef FEAT_MENU
if (gui.menu_is_active != prev_menu_is_active)
{
// We don't want a resize event change "Rows" here, save and
// restore it. Resizing is handled below.
i = Rows;
gui_mch_enable_menu(gui.menu_is_active);
Rows = i;
prev_menu_is_active = gui.menu_is_active;
need_set_size |= RESIZE_VERT;
if (gui.menu_is_active)
fix_size = TRUE;
}
#endif
#ifdef FEAT_TOOLBAR
if (using_toolbar != prev_toolbar)
{
gui_mch_show_toolbar(using_toolbar);
prev_toolbar = using_toolbar;
need_set_size |= RESIZE_VERT;
if (using_toolbar)
fix_size = TRUE;
}
#endif
#ifdef FEAT_FOOTER
if (using_footer != prev_footer)
{
gui_mch_enable_footer(using_footer);
prev_footer = using_footer;
need_set_size |= RESIZE_VERT;
if (using_footer)
fix_size = TRUE;
}
#endif
#if defined(FEAT_MENU) && !(defined(MSWIN) && !defined(FEAT_TEAROFF))
if (using_tearoff != prev_tearoff)
{
gui_mch_toggle_tearoffs(using_tearoff);
prev_tearoff = using_tearoff;
}
#endif
if (need_set_size != 0)
{
#ifdef FEAT_GUI_GTK
long prev_Columns = Columns;
long prev_Rows = Rows;
#endif
// Adjust the size of the window to make the text area keep the
// same size and to avoid that part of our window is off-screen
// and a scrollbar can't be used, for example.
gui_set_shellsize(FALSE, fix_size, need_set_size);
#ifdef FEAT_GUI_GTK
// GTK has the annoying habit of sending us resize events when
// changing the window size ourselves. This mostly happens when
// waiting for a character to arrive, quite unpredictably, and may
// change Columns and Rows when we don't want it. Wait for a
// character here to avoid this effect.
// If you remove this, please test this command for resizing
// effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q".
// Don't do this while starting up though.
// Don't change Rows when adding menu/toolbar/tabline.
// Don't change Columns when adding vertical toolbar.
if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR))
(void)char_avail();
if ((need_set_size & RESIZE_VERT) == 0)
Rows = prev_Rows;
if ((need_set_size & RESIZE_HOR) == 0)
Columns = prev_Columns;
#endif
}
// When the console tabline appears or disappears the window positions
// change.
if (firstwin->w_winrow != tabline_height())
shell_new_rows(); // recompute window positions and heights
}
}
#if defined(FEAT_GUI_TABLINE) || defined(PROTO)
/*
* Return TRUE if the GUI is taking care of the tabline.
* It may still be hidden if 'showtabline' is zero.
*/
int
gui_use_tabline(void)
{
return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL;
}
/*
* Return TRUE if the GUI is showing the tabline.
* This uses 'showtabline'.
*/
static int
gui_has_tabline(void)
{
if (!gui_use_tabline()
|| p_stal == 0
|| (p_stal == 1 && first_tabpage->tp_next == NULL))
return FALSE;
return TRUE;
}
/*
* Update the tabline.
* This may display/undisplay the tabline and update the labels.
*/
void
gui_update_tabline(void)
{
int showit = gui_has_tabline();
int shown = gui_mch_showing_tabline();
if (!gui.starting && starting == 0)
{
// Updating the tabline uses direct GUI commands, flush
// outstanding instructions first. (esp. clear screen)
out_flush();
if (!showit != !shown)
gui_mch_show_tabline(showit);
if (showit != 0)
gui_mch_update_tabline();
// When the tabs change from hidden to shown or from shown to
// hidden the size of the text area should remain the same.
if (!showit != !shown)
gui_set_shellsize(FALSE, showit, RESIZE_VERT);
}
}
/*
* Get the label or tooltip for tab page "tp" into NameBuff[].
*/
void
get_tabline_label(
tabpage_T *tp,
int tooltip) // TRUE: get tooltip
{
int modified = FALSE;
char_u buf[40];
int wincount;
win_T *wp;
char_u **opt;
// Use 'guitablabel' or 'guitabtooltip' if it's set.
opt = (tooltip ? &p_gtt : &p_gtl);
if (**opt != NUL)
{
int use_sandbox = FALSE;
int called_emsg_before = called_emsg;
char_u res[MAXPATHL];
tabpage_T *save_curtab;
char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip"
: "guitablabel");
printer_page_num = tabpage_index(tp);
# ifdef FEAT_EVAL
set_vim_var_nr(VV_LNUM, printer_page_num);
use_sandbox = was_set_insecurely(opt_name, 0);
# endif
// It's almost as going to the tabpage, but without autocommands.
curtab->tp_firstwin = firstwin;
curtab->tp_lastwin = lastwin;
curtab->tp_curwin = curwin;
save_curtab = curtab;
curtab = tp;
topframe = curtab->tp_topframe;
firstwin = curtab->tp_firstwin;
lastwin = curtab->tp_lastwin;
curwin = curtab->tp_curwin;
curbuf = curwin->w_buffer;
// Can't use NameBuff directly, build_stl_str_hl() uses it.
build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox,
0, (int)Columns, NULL, NULL);
STRCPY(NameBuff, res);
// Back to the original curtab.
curtab = save_curtab;
topframe = curtab->tp_topframe;
firstwin = curtab->tp_firstwin;
lastwin = curtab->tp_lastwin;
curwin = curtab->tp_curwin;
curbuf = curwin->w_buffer;
if (called_emsg > called_emsg_before)
set_string_option_direct(opt_name, -1,
(char_u *)"", OPT_FREE, SID_ERROR);
}
// If 'guitablabel'/'guitabtooltip' is not set or the result is empty then
// use a default label.
if (**opt == NUL || *NameBuff == NUL)
{
// Get the buffer name into NameBuff[] and shorten it.
get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer);
if (!tooltip)
shorten_dir(NameBuff);
wp = (tp == curtab) ? firstwin : tp->tp_firstwin;
for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount)
if (bufIsChanged(wp->w_buffer))
modified = TRUE;
if (modified || wincount > 1)
{
if (wincount > 1)
vim_snprintf((char *)buf, sizeof(buf), "%d", wincount);
else
buf[0] = NUL;
if (modified)
STRCAT(buf, "+");
STRCAT(buf, " ");
STRMOVE(NameBuff + STRLEN(buf), NameBuff);
mch_memmove(NameBuff, buf, STRLEN(buf));
}
}
}
/*
* Send the event for clicking to select tab page "nr".
* Returns TRUE if it was done, FALSE when skipped because we are already at
* that tab page or the cmdline window is open.
*/
int
send_tabline_event(int nr)
{
char_u string[3];
if (nr == tabpage_index(curtab))
return FALSE;
// Don't put events in the input queue now.
if (hold_gui_events
# ifdef FEAT_CMDWIN
|| cmdwin_type != 0
# endif
)
{
// Set it back to the current tab page.
gui_mch_set_curtab(tabpage_index(curtab));
return FALSE;
}
string[0] = CSI;
string[1] = KS_TABLINE;
string[2] = KE_FILLER;
add_to_input_buf(string, 3);
string[0] = nr;
add_to_input_buf_csi(string, 1);
return TRUE;
}
/*
* Send a tabline menu event
*/
void
send_tabline_menu_event(int tabidx, int event)
{
char_u string[3];
// Don't put events in the input queue now.
if (hold_gui_events)
return;
// Cannot close the last tabpage.
if (event == TABLINE_MENU_CLOSE && first_tabpage->tp_next == NULL)
return;
string[0] = CSI;
string[1] = KS_TABMENU;
string[2] = KE_FILLER;
add_to_input_buf(string, 3);
string[0] = tabidx;
string[1] = (char_u)(long)event;
add_to_input_buf_csi(string, 2);
}
#endif
/*
* Scrollbar stuff:
*/
/*
* Remove all scrollbars. Used before switching to another tab page.
*/
void
gui_remove_scrollbars(void)
{
int i;
win_T *wp;
for (i = 0; i < 3; i++)
{
if (i == SBAR_BOTTOM)
gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE);
else
{
FOR_ALL_WINDOWS(wp)
gui_do_scrollbar(wp, i, FALSE);
}
curtab->tp_prev_which_scrollbars[i] = -1;
}
}
void
gui_create_scrollbar(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;
#ifdef FEAT_GUI_ATHENA
sb->pixval = 0;
#endif
sb->size = 1;
sb->max = 1;
sb->top = 0;
sb->height = 0;
sb->width = 0;
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(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, Macintosh and GTK+ 2:
* 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(scrollbar_T *sb, long value, int still_dragging)
{
win_T *wp;
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[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;
#ifdef FEAT_GUI_GTK
// Keep the "dragged_wp" value until after the scrolling, for when the
// mouse button is released. GTK2 doesn't send the button-up event.
gui.dragged_wp = NULL;
#endif
}
// 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.
// This also checked input_available(), but that causes the first click in
// a scrollbar to be ignored when Vim doesn't have focus.
if (dont_scroll)
return;
#endif
// Disallow scrolling the current window when the completion popup menu is
// visible.
if ((sb->wp == NULL || sb->wp == curwin) && pum_visible())
return;
#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;
for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next)
sb_num++;
if (wp == NULL)
return;
#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
// When dragging one scrollbar and there is another one at the other
// side move the thumb of that one too.
if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT])
gui_mch_set_scrollbar_thumb(
&sb->wp->w_scrollbars[
sb == &sb->wp->w_scrollbars[SBAR_RIGHT]
? SBAR_LEFT : SBAR_RIGHT],
sb->value, sb->size, sb->max);
#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(scrollbar_value, FALSE);
else if (State & INSERT)
ins_horscroll();
else if (State & CMDLINE)
{
if (msg_scrolled == 0)
{
gui_do_horiz_scroll(scrollbar_value, FALSE);
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
/*
* 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_ALL_WINDOWS(wp)
if (wp->w_redr_type > 0)
updateWindow(wp);
setcursor();
}
out_flush_cursor(FALSE, TRUE);
#else
add_to_input_buf(bytes, byte_count);
add_long_to_buf((long_u)value, bytes);
add_to_input_buf_csi(bytes, sizeof(long_u));
#endif
}
/*
* Scrollbar stuff:
*/
/*
* Called when something in the window layout has changed.
*/
void
gui_may_update_scrollbars(void)
{
if (gui.in_use && starting == 0)
{
out_flush();
gui_init_which_components(NULL);
gui_update_scrollbars(TRUE);
}
need_mouse_correct = TRUE;
}
void
gui_update_scrollbars(
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;
static win_T *prev_curwin = NULL;
// Update the horizontal scrollbar
gui_update_horiz_scrollbar(force);
#ifndef MSWIN
// 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 (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT)
&& gui.which_scrollbars[SBAR_LEFT]
&& gui.which_scrollbars[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);
}
// 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;
// Skip a scrollbar that is being dragged.
if (!force && (gui.dragged_sb == SBAR_LEFT
|| gui.dragged_sb == SBAR_RIGHT)
&& gui.dragged_wp == wp)
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
|| sb->top != wp->w_winrow
|| sb->status_height != wp->w_status_height
|| sb->width != wp->w_width
|| prev_curwin != curwin)
{
// Height, width or position of scrollbar has changed. For
// vertical split: curwin changed.
sb->height = wp->w_height;
sb->top = wp->w_winrow;
sb->status_height = wp->w_status_height;
sb->width = wp->w_width;
// 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
#if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN)
if (gui_has_tabline())
y += gui.tabline_height;
#endif
if (wp->w_winrow == 0)
{
// 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. Only do this for
// Athena, most other GUIs require the update anyway to make the
// arrows work.
#ifdef FEAT_GUI_ATHENA
if (max == 0)
y = 0;
else
y = (val * (sb->height + 2) * gui.char_height + max / 2) / max;
if (force || sb->pixval != y || sb->size != size || sb->max != max)
#else
if (force || sb->value != val || sb->size != size || sb->max != max)
#endif
{
// Thumb of scrollbar has moved
sb->value = val;
#ifdef FEAT_GUI_ATHENA
sb->pixval = y;
#endif
sb->size = size;
sb->max = max;
if (gui.which_scrollbars[SBAR_LEFT]
&& (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp))
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.dragged_wp != wp))
gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT],
val, size, max);
}
}
prev_curwin = curwin;
--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(
win_T *wp,
int which, // SBAR_LEFT or SBAR_RIGHT
int enable) // TRUE to enable scrollbar
{
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;
}
}
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(void)
{
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 (get_scrolloff_value() != 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);
wp->w_scbind_pos = wp->w_topline;
}
// Make sure wp->w_leftcol and wp->w_skipcol are correct.
validate_cursor();
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
|| wp->w_redr_type != 0
#ifdef FEAT_DIFF
|| old_topfill != wp->w_topfill
#endif
)
{
int type = VALID;
if (pum_visible())
{
type = NOT_VALID;
wp->w_lines_valid = 0;
}
// Don't set must_redraw here, it may cause the popup menu to
// disappear when losing focus after a scrollbar drag.
if (wp->w_redr_type < type)
wp->w_redr_type = type;
mch_disable_flush();
updateWindow(wp); // update window, status line, and cmdline
mch_enable_flush();
}
// May need to redraw the popup menu.
if (pum_visible())
pum_redraw();
return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor));
}
/*
* Horizontal scrollbar stuff:
*/
/*
* Return length of line "lnum" for horizontal scrolling.
*/
static colnr_T
scroll_line_len(linenr_T lnum)
{
char_u *p;
colnr_T col;
int w;
p = ml_get(lnum);
col = 0;
if (*p != NUL)
for (;;)
{
w = chartabsize(p, col);
MB_PTR_ADV(p);
if (*p == NUL) // don't count the last character
break;
col += w;
}
return col;
}
// Remember which line is currently the longest, so that we don't have to
// search for it when scrolling horizontally.
static linenr_T longest_lnum = 0;
/*
* Find longest visible line number. If this is not possible (or not desired,
* by setting 'h' in "guioptions") then the current line number is returned.
*/
static linenr_T
gui_find_longest_lnum(void)
{
linenr_T ret = 0;
// Calculate maximum for horizontal scrollbar. Check for reasonable
// line numbers, topline and botline can be invalid when displaying is
// postponed.
if (vim_strchr(p_go, GO_HORSCROLL) == NULL
&& curwin->w_topline <= curwin->w_cursor.lnum
&& curwin->w_botline > curwin->w_cursor.lnum
&& curwin->w_botline <= curbuf->b_ml.ml_line_count + 1)
{
linenr_T lnum;
colnr_T n;
long max = 0;
// Use maximum of all visible lines. Remember the lnum of the
// longest line, closest to the cursor line. Used when scrolling
// below.
for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum)
{
n = scroll_line_len(lnum);
if (n > (colnr_T)max)
{
max = n;
ret = lnum;
}
else if (n == (colnr_T)max
&& abs((int)(lnum - curwin->w_cursor.lnum))
< abs((int)(ret - curwin->w_cursor.lnum)))
ret = lnum;
}
}
else
// Use cursor line only.
ret = curwin->w_cursor.lnum;
return ret;
}
static void
gui_update_horiz_scrollbar(int force)
{
long value, size, max; // need 32 bit ints here
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 = curwin->w_width;
if (curwin->w_p_wrap)
{
value = 0;
#ifdef SCROLL_PAST_END
max = 0;
#else
max = curwin->w_width - 1;
#endif
}
else
{
value = curwin->w_leftcol;
longest_lnum = gui_find_longest_lnum();
max = scroll_line_len(longest_lnum);
if (virtual_active())
{
// May move the cursor even further to the right.
if (curwin->w_virtcol >= (colnr_T)max)
max = curwin->w_virtcol;
}
#ifndef SCROLL_PAST_END
max += curwin->w_width - 1;
#endif
// The line number isn't scrolled, thus there is less space when
// 'number' or 'relativenumber' 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(long_u leftcol, int compute_longest_lnum)
{
// no wrapping, no scrolling
if (curwin->w_p_wrap)
return FALSE;
if (curwin->w_leftcol == (colnr_T)leftcol)
return FALSE;
curwin->w_leftcol = (colnr_T)leftcol;
// When the line of the cursor is too short, move the cursor to the
// longest visible line.
if (vim_strchr(p_go, GO_HORSCROLL) == NULL
&& !virtual_active()
&& (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum))
{
if (compute_longest_lnum)
{
curwin->w_cursor.lnum = gui_find_longest_lnum();
curwin->w_cursor.col = 0;
}
// Do a sanity check on "longest_lnum", just in case.
else if (longest_lnum >= curwin->w_topline
&& longest_lnum < curwin->w_botline)
{
curwin->w_cursor.lnum = longest_lnum;
curwin->w_cursor.col = 0;
}
}
return leftcol_changed();
}
/*
* Check that none of the colors are the same as the background color
*/
void
gui_check_colors(void)
{
if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR)
{
gui_set_bg_color((char_u *)"White");
if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR)
gui_set_fg_color((char_u *)"Black");
}
}
static void
gui_set_fg_color(char_u *name)
{
gui.norm_pixel = gui_get_color(name);
hl_set_fg_color_name(vim_strsave(name));
}
static void
gui_set_bg_color(char_u *name)
{
gui.back_pixel = gui_get_color(name);
hl_set_bg_color_name(vim_strsave(name));
}
/*
* Allocate a color by name.
* Returns INVALCOLOR and gives an error message when failed.
*/
guicolor_T
gui_get_color(char_u *name)
{
guicolor_T t;
if (*name == NUL)
return INVALCOLOR;
t = gui_mch_get_color(name);
if (t == INVALCOLOR
#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK)
&& gui.in_use
#endif
)
semsg(_("E254: Cannot allocate color %s"), name);
return t;
}
/*
* Return the grey value of a color (range 0-255).
*/
int
gui_get_lightness(guicolor_T pixel)
{
long_u rgb = (long_u)gui_mch_get_rgb(pixel);
return (int)( (((rgb >> 16) & 0xff) * 299)
+ (((rgb >> 8) & 0xff) * 587)
+ ((rgb & 0xff) * 114)) / 1000;
}
char_u *
gui_bg_default(void)
{
if (gui_get_lightness(gui.back_pixel) < 127)
return (char_u *)"dark";
return (char_u *)"light";
}
/*
* Option initializations that can only be done after opening the GUI window.
*/
void
init_gui_options(void)
{
// Set the 'background' option according to the lightness of the
// background color, unless the user has set it already.
if (!option_was_set((char_u *)"bg") && STRCMP(p_bg, gui_bg_default()) != 0)
{
set_option_value((char_u *)"bg", 0L, gui_bg_default(), 0);
highlight_changed();
}
}
#if defined(FEAT_GUI_X11) || defined(PROTO)
void
gui_new_scrollbar_colors(void)
{
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(int in_focus)
{
/*
* Skip this code to avoid drawing the cursor when debugging and switching
* between the debugger window and gvim.
*/
#if 1
gui.in_focus = in_focus;
out_flush_cursor(TRUE, FALSE);
# ifdef FEAT_XIM
xim_set_focus(in_focus);
# endif
// Put events in the input queue only when allowed.
// ui_focus_change() isn't called directly, because it invokes
// autocommands and that must not happen asynchronously.
if (!hold_gui_events)
{
char_u bytes[3];
bytes[0] = CSI;
bytes[1] = KS_EXTRA;
bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST;
add_to_input_buf(bytes, 3);
}
#endif
}
/*
* When mouse moved: apply 'mousefocus'.
* Also updates the mouse pointer shape.
*/
static void
gui_mouse_focus(int x, int y)
{
win_T *wp;
char_u st[8];
#ifdef FEAT_MOUSESHAPE
// Get window pointer, and update mouse shape as well.
wp = xy2win(x, y, IGNORE_POPUP);
#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, IGNORE_POPUP);
#endif
if (wp == curwin || wp == NULL)
return; // still in the same old window, or none at all
// Ignore position in the tab pages line.
if (Y_2_ROW(y) < tabline_height())
return;
/*
* format a mouse click on status line input
* ala gui_send_mouse_event(0, x, y, 0, 0);
* Trick: Use a column number -1, so that get_pseudo_mouse_code() 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;
fill_mouse_coord(st + 4,
wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF,
wp->w_height + W_WINROW(wp));
add_to_input_buf(st, 8);
st[3] = (char_u)MOUSE_RELEASE;
add_to_input_buf(st, 8);
#ifdef FEAT_GUI_GTK
// Need to wake up the main loop
if (gtk_main_level() > 0)
gtk_main_quit();
#endif
}
}
/*
* Called when the mouse moved (but not when dragging).
*/
void
gui_mouse_moved(int x, int y)
{
// Ignore this while still starting up.
if (!gui.in_use || gui.starting)
return;
// apply 'mousefocus' and pointer shape
gui_mouse_focus(x, y);
#ifdef FEAT_PROP_POPUP
if (popup_visible)
// Generate a mouse-moved event, so that the popup can perhaps be
// closed, just like in the terminal.
gui_send_mouse_event(MOUSE_DRAG, x, y, FALSE, 0);
#endif
}
/*
* Get the window where the mouse pointer is on.
* Returns NULL if not found.
*/
win_T *
gui_mouse_window(mouse_find_T popup)
{
int x, y;
if (!(gui.in_use && (p_mousef || popup == FIND_POPUP)))
return NULL;
gui_mch_getmouse(&x, &y);
// Only use the mouse when it's on the Vim window
if (x >= 0 && x <= Columns * gui.char_width
&& y >= 0 && Y_2_ROW(y) >= tabline_height())
return xy2win(x, y, popup);
return NULL;
}
/*
* Called when mouse should be moved to window with focus.
*/
void
gui_mouse_correct(void)
{
win_T *wp = NULL;
need_mouse_correct = FALSE;
wp = gui_mouse_window(IGNORE_POPUP);
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 "x" / "y" coordinate is in.
* As a side effect update the shape of the mouse pointer.
*/
static win_T *
xy2win(int x, int y, mouse_find_T popup)
{
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, popup);
if (wp == NULL)
return NULL;
#ifdef FEAT_MOUSESHAPE
if (State == HITRETURN || State == ASKMORE)
{
if (Y_2_ROW(y) >= msg_row)
update_mouseshape(SHAPE_IDX_MOREL);
else
update_mouseshape(SHAPE_IDX_MORE);
}
else if (row > wp->w_height) // below status line
update_mouseshape(SHAPE_IDX_CLINE);
else if (!(State & CMDLINE) && wp->w_vsep_width > 0 && col == wp->w_width
&& (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0)
update_mouseshape(SHAPE_IDX_VSEP);
else if (!(State & CMDLINE) && wp->w_status_height > 0
&& row == wp->w_height && msg_scrolled == 0)
update_mouseshape(SHAPE_IDX_STATUS);
else
update_mouseshape(-2);
#endif
return wp;
}
/*
* ":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(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)
{
#if defined(VIMDLL) && !defined(EXPERIMENTAL_GUI_CMD)
if (!gui.starting)
{
emsg(_(e_nogvim));
return;
}
#endif
// Clear the command. Needed for when forking+exiting, to avoid part
// of the argument ending up after the shell prompt.
msg_clr_eos_force();
#ifdef GUI_MAY_SPAWN
if (!ends_excmd(*eap->arg))
gui_start(eap->arg);
else
#endif
gui_start(NULL);
#ifdef FEAT_JOB_CHANNEL
channel_gui_register_all();
#endif
}
if (!ends_excmd(*eap->arg))
ex_next(eap);
}
#if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) \
|| defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_PHOTON)) \
&& defined(FEAT_TOOLBAR)) || defined(PROTO)
/*
* This is shared between Athena, Motif and GTK.
*/
/*
* Callback function for do_in_runtimepath().
*/
static void
gfp_setname(char_u *fname, void *cookie)
{
char_u *gfp_buffer = cookie;
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(char_u *name, char_u *buffer, char *ext)
{
if (STRLEN(name) > MAXPATHL - 14)
return FAIL;
vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext);
if (do_in_runtimepath(buffer, 0, gfp_setname, buffer) == FAIL
|| *buffer == NUL)
return FAIL;
return OK;
}
# if !defined(FEAT_GUI_GTK) || defined(PROTO)
/*
* Given the name of the "icon=" argument, try finding the bitmap file for the
* icon. If it is an absolute path name, use it as it is. Otherwise append
* "ext" and search for it in 'runtimepath'.
* The result is put in "buffer[MAXPATHL]". If something fails "buffer"
* contains "name".
*/
void
gui_find_iconfile(char_u *name, char_u *buffer, char *ext)
{
char_u buf[MAXPATHL + 1];
expand_env(name, buffer, MAXPATHL);
if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK)
STRCPY(buffer, buf);
}
# endif
#endif
#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO)
void
display_errors(void)
{
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, FALSE);
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(void)
{
return ((!gui.in_use || gui.starting)
# ifndef NO_CONSOLE
&& !isatty(0) && !isatty(2)
# endif
);
}
#endif
#if defined(FIND_REPLACE_DIALOG) \
|| defined(NEED_GUI_UPDATE_SCREEN) \
|| defined(PROTO)
/*
* Update the current window and the screen.
*/
void
gui_update_screen(void)
{
# ifdef FEAT_CONCEAL
linenr_T conceal_old_cursor_line = 0;
linenr_T conceal_new_cursor_line = 0;
int conceal_update_lines = FALSE;
# endif
update_topline();
validate_cursor();
// Trigger CursorMoved if the cursor moved.
if (!finish_op && (has_cursormoved()
# ifdef FEAT_PROP_POPUP
|| popup_visible
# endif
# ifdef FEAT_CONCEAL
|| curwin->w_p_cole > 0
# endif
) && !EQUAL_POS(last_cursormoved, curwin->w_cursor))
{
if (has_cursormoved())
apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf);
#ifdef FEAT_PROP_POPUP
if (popup_visible)
popup_check_cursor_pos();
#endif
# ifdef FEAT_CONCEAL
if (curwin->w_p_cole > 0)
{
conceal_old_cursor_line = last_cursormoved.lnum;
conceal_new_cursor_line = curwin->w_cursor.lnum;
conceal_update_lines = TRUE;
}
# endif
last_cursormoved = curwin->w_cursor;
}
# ifdef FEAT_CONCEAL
if (conceal_update_lines
&& (conceal_old_cursor_line != conceal_new_cursor_line
|| conceal_cursor_line(curwin)
|| need_cursor_line_redraw))
{
if (conceal_old_cursor_line != conceal_new_cursor_line)
redrawWinline(curwin, conceal_old_cursor_line);
redrawWinline(curwin, conceal_new_cursor_line);
curwin->w_valid &= ~VALID_CROW;
need_cursor_line_redraw = FALSE;
}
# endif
update_screen(0); // may need to update the screen
setcursor();
out_flush_cursor(TRUE, FALSE);
}
#endif
#if defined(FIND_REPLACE_DIALOG) || 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(
char_u *arg,
int *wwordp, // return: TRUE if \< \> found
int *mcasep) // return: TRUE if \C 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 = (int)STRLEN(text);
int i;
// Remove "\V"
if (len >= 2 && STRNCMP(text, "\\V", 2) == 0)
{
mch_memmove(text, text + 2, (size_t)(len - 1));
len -= 2;
}
// Recognize "\c" and "\C" and remove.
if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C'))
{
*mcasep = (text[1] == 'C');
mch_memmove(text, text + 2, (size_t)(len - 1));
len -= 2;
}
// Recognize "\<text\>" and remove.
if (len >= 4
&& STRNCMP(text, "\\<", 2) == 0
&& STRNCMP(text + len - 2, "\\>", 2) == 0)
{
*wwordp = TRUE;
mch_memmove(text, text + 2, (size_t)(len - 4));
text[len - 4] = NUL;
}
// Recognize "\/" or "\?" and remove.
for (i = 0; i + 1 < len; ++i)
if (text[i] == '\\' && (text[i + 1] == '/'
|| text[i + 1] == '?'))
{
mch_memmove(text + i, text + i + 1, (size_t)(len - i));
--len;
}
}
}
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(
int flags, // one of FRD_REPLACE, FRD_FINDNEXT, etc.
char_u *find_text,
char_u *repl_text,
int down) // Search downwards.
{
garray_T ga;
int i;
int type = (flags & FRD_TYPE_MASK);
char_u *p;
regmatch_T regmatch;
int save_did_emsg = did_emsg;
static int busy = FALSE;
// When the screen is being updated we should not change buffers and
// windows structures, it may cause freed memory to be used. Also don't
// do this recursively (pressing "Find" quickly several times.
if (updating_screen || busy)
return FALSE;
// refuse replace when text cannot be changed
if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked())
return FALSE;
busy = TRUE;
ga_init2(&ga, 1, 100);
if (type == FRD_REPLACEALL)
ga_concat(&ga, (char_u *)"%s/");
ga_concat(&ga, (char_u *)"\\V");
if (flags & FRD_MATCH_CASE)
ga_concat(&ga, (char_u *)"\\C");
else
ga_concat(&ga, (char_u *)"\\c");
if (flags & FRD_WHOLE_WORD)
ga_concat(&ga, (char_u *)"\\<");
// escape slash and backslash
p = vim_strsave_escaped(find_text, (char_u *)"/\\");
if (p != NULL)
ga_concat(&ga, p);
vim_free(p);
if (flags & FRD_WHOLE_WORD)
ga_concat(&ga, (char_u *)"\\>");
if (type == FRD_REPLACEALL)
{
ga_concat(&ga, (char_u *)"/");
// escape slash and backslash
p = vim_strsave_escaped(repl_text, (char_u *)"/\\");
if (p != NULL)
ga_concat(&ga, p);
vim_free(p);
ga_concat(&ga, (char_u *)"/g");
}
ga_append(&ga, NUL);
if (type == FRD_REPLACE)
{
// Do the replacement when the text at the cursor matches. Thus no
// replacement is done if the cursor was moved!
regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING);
regmatch.rm_ic = 0;
if (regmatch.regprog != NULL)
{
p = ml_get_cursor();
if (vim_regexec_nl(&regmatch, p, (colnr_T)0)
&& regmatch.startp[0] == p)
{
// Clear the command line to remove any old "No match"
// error.
msg_end_prompt();
if (u_save_cursor() == OK)
{
// A button was pressed thus undo should be synced.
u_sync(FALSE);
del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]),
FALSE, FALSE);
ins_str(repl_text);
}
}
else
msg(_("No match at cursor, finding next"));
vim_regfree(regmatch.regprog);
}
}
if (type == FRD_REPLACEALL)
{
// A button was pressed, thus undo should be synced.
u_sync(FALSE);
do_cmdline_cmd(ga.ga_data);
}
else
{
int searchflags = SEARCH_MSG + SEARCH_MARK;
// Search for the next match.
// Don't skip text under cursor for single replace.
if (type == FRD_REPLACE)
searchflags += SEARCH_START;
i = msg_scroll;
if (down)
{
(void)do_search(NULL, '/', ga.ga_data, 1L, searchflags, NULL);
}
else
{
// We need to escape '?' if and only if we are searching in the up
// direction
p = vim_strsave_escaped(ga.ga_data, (char_u *)"?");
if (p != NULL)
(void)do_search(NULL, '?', p, 1L, searchflags, NULL);
vim_free(p);
}
msg_scroll = i; // don't let an error message set msg_scroll
}
// Don't want to pass did_emsg to other code, it may cause disabling
// syntax HL if we were busy redrawing.
did_emsg = save_did_emsg;
if (State & (NORMAL | INSERT))
{
gui_update_screen(); // update the screen
msg_didout = 0; // overwrite any message
need_wait_return = FALSE; // don't wait for return
}
vim_free(ga.ga_data);
busy = FALSE;
return (ga.ga_len > 0);
}
#endif
#if defined(HAVE_DROP_FILE) || defined(PROTO)
/*
* Jump to the window at specified point (x, y).
*/
static void
gui_wingoto_xy(int x, int y)
{
int row = Y_2_ROW(y);
int col = X_2_COL(x);
win_T *wp;
if (row >= 0 && col >= 0)
{
wp = mouse_find_win(&row, &col, FAIL_POPUP);
if (wp != NULL && wp != curwin)
win_goto(wp);
}
}
/*
* Function passed to handle_drop() for the actions to be done after the
* argument list has been updated.
*/
static void
drop_callback(void *cookie)
{
char_u *p = cookie;
// If Shift held down, change to first file's directory. If the first
// item is a directory, change to that directory (and let the explorer
// plugin show the contents).
if (p != NULL)
{
if (mch_isdir(p))
{
if (mch_chdir((char *)p) == 0)
shorten_fnames(TRUE);
}
else if (vim_chdirfile(p, "drop") == OK)
shorten_fnames(TRUE);
vim_free(p);
}
// Update the screen display
update_screen(NOT_VALID);
# ifdef FEAT_MENU
gui_update_menus(0);
# endif
#ifdef FEAT_TITLE
maketitle();
#endif
setcursor();
out_flush_cursor(FALSE, FALSE);
}
/*
* Process file drop. Mouse cursor position, key modifiers, name of files
* and count of files are given. Argument "fnames[count]" has full pathnames
* of dropped files, they will be freed in this function, and caller can't use
* fnames after call this function.
*/
void
gui_handle_drop(
int x UNUSED,
int y UNUSED,
int_u modifiers,
char_u **fnames,
int count)
{
int i;
char_u *p;
static int entered = FALSE;
/*
* This function is called by event handlers. Just in case we get a
* second event before the first one is handled, ignore the second one.
* Not sure if this can ever happen, just in case.
*/
if (entered)
return;
entered = TRUE;
/*
* When the cursor is at the command line, add the file names to the
* command line, don't edit the files.
*/
if (State & CMDLINE)
{
shorten_filenames(fnames, count);
for (i = 0; i < count; ++i)
{
if (fnames[i] != NULL)
{
if (i > 0)
add_to_input_buf((char_u*)" ", 1);
// We don't know what command is used thus we can't be sure
// about which characters need to be escaped. Only escape the
// most common ones.
# ifdef BACKSLASH_IN_FILENAME
p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|");
# else
p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|");
# endif
if (p != NULL)
add_to_input_buf_csi(p, (int)STRLEN(p));
vim_free(p);
vim_free(fnames[i]);
}
}
vim_free(fnames);
}
else
{
// Go to the window under mouse cursor, then shorten given "fnames" by
// current window, because a window can have local current dir.
gui_wingoto_xy(x, y);
shorten_filenames(fnames, count);
// If Shift held down, remember the first item.
if ((modifiers & MOUSE_SHIFT) != 0)
p = vim_strsave(fnames[0]);
else
p = NULL;
// Handle the drop, :edit or :split to get to the file. This also
// frees fnames[]. Skip this if there is only one item, it's a
// directory and Shift is held down.
if (count == 1 && (modifiers & MOUSE_SHIFT) != 0
&& mch_isdir(fnames[0]))
{
vim_free(fnames[0]);
vim_free(fnames);
}
else
handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0,
drop_callback, (void *)p);
}
entered = FALSE;
}
#endif
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