/* Functions for creating and updating GTK widgets.
- Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include <string.h>
#include <signal.h>
#include <stdio.h>
+#include <setjmp.h>
#include "lisp.h"
#include "xterm.h"
#include "blockinput.h"
#include "syssignal.h"
#include "window.h"
-#include "atimer.h"
#include "gtkutil.h"
#include "termhooks.h"
#include "keyboard.h"
static GdkDisplay *gdpy_def;
-/* Return the GdkDisplay that corresponds to the X display DPY. */
-
-static GdkDisplay *
-xg_get_gdk_display (dpy)
- Display *dpy;
-{
- return gdk_x11_lookup_xdisplay (dpy);
-}
-
/* When the GTK widget W is to be created on a display for F that
is not the default display, set the display for W.
W can be a GtkMenu or a GtkWindow widget. */
/***********************************************************************
Utility functions
***********************************************************************/
-/* The timer for scroll bar repetition and menu bar timeouts.
- NULL if no timer is started. */
-static struct atimer *xg_timer;
-
-
/* The next two variables and functions are taken from lwlib. */
static widget_value *widget_value_free_list;
static int malloc_cpt;
GdkPixmap *gmask;
GdkColormap *cmap;
{
- int x, y, width, height, rowstride, mask_rowstride;
+ int width, height;
GdkPixbuf *icon_buf, *tmp_buf;
- guchar *pixels;
- guchar *mask_pixels;
gdk_drawable_get_size (gpix, &width, &height);
tmp_buf = gdk_pixbuf_get_from_drawable (NULL, gpix, cmap,
gdk_window_set_cursor (GDK_WINDOW (children->data), cursor);
}
-/* Timer function called when a timeout occurs for xg_timer.
- This function processes all GTK events in a recursive event loop.
- This is done because GTK timer events are not seen by Emacs event
- detection, Emacs only looks for X events. When a scroll bar has the
- pointer (detected by button press/release events below) an Emacs
- timer is started, and this function can then check if the GTK timer
- has expired by calling the GTK event loop.
- Also, when a menu is active, it has a small timeout before it
- pops down the sub menu under it. */
-
-static void
-xg_process_timeouts (timer)
- struct atimer *timer;
-{
- BLOCK_INPUT;
- /* Ideally we would like to just handle timer events, like the Xt version
- of this does in xterm.c, but there is no such feature in GTK. */
- while (gtk_events_pending ())
- gtk_main_iteration ();
- UNBLOCK_INPUT;
-}
-
-/* Start the xg_timer with an interval of 0.1 seconds, if not already started.
- xg_process_timeouts is called when the timer expires. The timer
- started is continuous, i.e. runs until xg_stop_timer is called. */
-
-static void
-xg_start_timer ()
-{
- if (! xg_timer)
- {
- EMACS_TIME interval;
- EMACS_SET_SECS_USECS (interval, 0, 100000);
- xg_timer = start_atimer (ATIMER_CONTINUOUS,
- interval,
- xg_process_timeouts,
- 0);
- }
-}
-
-/* Stop the xg_timer if started. */
-
-static void
-xg_stop_timer ()
-{
- if (xg_timer)
- {
- cancel_atimer (xg_timer);
- xg_timer = 0;
- }
-}
-
/* Insert NODE into linked LIST. */
static void
f->left_pos, f->top_pos);
}
+/* Clear under internal border if any. As we use a mix of Gtk+ and X calls
+ and use a GtkFixed widget, this doesn't happen automatically. */
+
+static void
+xg_clear_under_internal_border (f)
+ FRAME_PTR f;
+{
+ if (FRAME_INTERNAL_BORDER_WIDTH (f) > 0)
+ {
+ GtkWidget *wfixed = f->output_data.x->edit_widget;
+ gtk_widget_queue_draw (wfixed);
+ gdk_window_process_all_updates ();
+ x_clear_area (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f),
+ 0, 0,
+ FRAME_PIXEL_WIDTH (f),
+ FRAME_INTERNAL_BORDER_WIDTH (f), 0);
+ x_clear_area (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f),
+ 0, 0,
+ FRAME_INTERNAL_BORDER_WIDTH (f),
+ FRAME_PIXEL_HEIGHT (f), 0);
+ x_clear_area (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f),
+ 0, FRAME_PIXEL_HEIGHT (f) - FRAME_INTERNAL_BORDER_WIDTH (f),
+ FRAME_PIXEL_WIDTH (f),
+ FRAME_INTERNAL_BORDER_WIDTH (f), 0);
+ x_clear_area (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f),
+ FRAME_PIXEL_WIDTH (f) - FRAME_INTERNAL_BORDER_WIDTH (f),
+ 0,
+ FRAME_INTERNAL_BORDER_WIDTH (f),
+ FRAME_PIXEL_HEIGHT (f), 0);
+ }
+}
+
/* Function to handle resize of our frame. As we have a Gtk+ tool bar
and a Gtk+ menu bar, we get resize events for the edit part of the
frame only. We let Gtk+ deal with the Gtk+ parts.
FRAME_PTR f;
int pixelwidth, pixelheight;
{
- int rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, pixelheight);
- int columns = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pixelwidth);
-
- if (FRAME_GTK_WIDGET (f)
- && (columns != FRAME_COLS (f)
- || rows != FRAME_LINES (f)
- || pixelwidth != FRAME_PIXEL_WIDTH (f)
- || pixelheight != FRAME_PIXEL_HEIGHT (f)))
+ int rows, columns;
+
+ if (pixelwidth == -1 && pixelheight == -1)
+ {
+ if (FRAME_GTK_WIDGET (f) && GTK_WIDGET_MAPPED (FRAME_GTK_WIDGET (f)))
+ gdk_window_get_geometry (FRAME_GTK_WIDGET (f)->window, 0, 0,
+ &pixelwidth, &pixelheight, 0);
+ else return;
+ }
+
+
+ rows = FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f, pixelheight);
+ columns = FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f, pixelwidth);
+
+ if (columns != FRAME_COLS (f)
+ || rows != FRAME_LINES (f)
+ || pixelwidth != FRAME_PIXEL_WIDTH (f)
+ || pixelheight != FRAME_PIXEL_HEIGHT (f))
{
FRAME_PIXEL_WIDTH (f) = pixelwidth;
FRAME_PIXEL_HEIGHT (f) = pixelheight;
+ xg_clear_under_internal_border (f);
change_frame_size (f, rows, columns, 0, 1, 0);
SET_FRAME_GARBAGED (f);
cancel_mouse_face (f);
after calculating that value. */
pixelwidth = FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f, cols);
+
+ /* Do this before resize, as we don't know yet if we will be resized. */
+ xg_clear_under_internal_border (f);
+
/* Must resize our top level widget. Font size may have changed,
but not rows/cols. */
gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)),
x_wm_set_size_hint (f, 0, 0);
SET_FRAME_GARBAGED (f);
-
- /* We can not call change_frame_size here, we can not set pixel
- width/height either. The window manager may override our resize
- request, XMonad does this all the time. The best we can do
- is try to sync, so lisp code sees the updated size as fast as
- possible. */
- gdk_window_process_all_updates ();
- x_sync (f);
+ cancel_mouse_face (f);
+
+ /* We can not call change_frame_size for a mapped frame,
+ we can not set pixel width/height either. The window manager may
+ override our resize request, XMonad does this all the time.
+ The best we can do is try to sync, so lisp code sees the updated
+ size as fast as possible.
+ For unmapped windows, we can set rows/cols. When
+ the frame is mapped again we will (hopefully) get the correct size. */
+ if (f->async_visible)
+ {
+ /* Must call this to flush out events */
+ (void)gtk_events_pending ();
+ gdk_flush ();
+ x_wait_for_event (f, ConfigureNotify);
+ }
+ else
+ {
+ change_frame_size (f, rows, cols, 0, 1, 0);
+ FRAME_PIXEL_WIDTH (f) = pixelwidth;
+ FRAME_PIXEL_HEIGHT (f) = pixelheight;
+ }
}
/* Handle height changes (i.e. add/remove menu/toolbar).
GtkWidget *wfixed;
GdkColor bg;
GtkRcStyle *style;
- int i;
char *title = 0;
BLOCK_INPUT;
and specify it.
GTK will itself handle calculating the real position this way. */
xg_set_geometry (f);
- int grav = gtk_window_get_gravity (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)));
- f->win_gravity = grav;
+ f->win_gravity
+ = gtk_window_get_gravity (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)));
gtk_widget_add_events (wfixed,
GDK_POINTER_MOTION_MASK
long flags;
int user_position;
{
- /* Don't set size hints during initialization; that apparently leads
- to a race condition. See the thread at
- http://lists.gnu.org/archive/html/emacs-devel/2008-10/msg00033.html */
- if (NILP (Vafter_init_time) || !FRAME_GTK_OUTER_WIDGET (f))
- return;
-
/* Must use GTK routines here, otherwise GTK resets the size hints
to its own defaults. */
GdkGeometry size_hints;
int min_rows = 0, min_cols = 0;
int win_gravity = f->win_gravity;
+ /* Don't set size hints during initialization; that apparently leads
+ to a race condition. See the thread at
+ http://lists.gnu.org/archive/html/emacs-devel/2008-10/msg00033.html */
+ if (NILP (Vafter_init_time) || !FRAME_GTK_OUTER_WIDGET (f))
+ return;
+
if (flags)
{
memset (&size_hints, 0, sizeof (size_hints));
return wdialog;
}
-
-\f
-/***********************************************************************
- File dialog functions
- ***********************************************************************/
-/* Return non-zero if the old file selection dialog is being used.
- Return zero if not. */
-
-int
-xg_uses_old_file_dialog ()
+struct xg_dialog_data
{
-#ifdef HAVE_GTK_FILE_BOTH
- extern int x_gtk_use_old_file_dialog;
- return x_gtk_use_old_file_dialog;
-#else /* ! HAVE_GTK_FILE_BOTH */
-
-#ifdef HAVE_GTK_FILE_SELECTION_NEW
- return 1;
-#else
- return 0;
-#endif
-
-#endif /* ! HAVE_GTK_FILE_BOTH */
-}
-
+ GMainLoop *loop;
+ int response;
+ GtkWidget *w;
+ guint timerid;
+};
/* Function that is called when the file or font dialogs pop down.
W is the dialog widget, RESPONSE is the response code.
- USER_DATA is what we passed in to g_signal_connect (pointer to int). */
+ USER_DATA is what we passed in to g_signal_connect. */
static void
xg_dialog_response_cb (w,
- response,
- user_data)
+ response,
+ user_data)
GtkDialog *w;
gint response;
gpointer user_data;
{
- int *ptr = (int *) user_data;
- *ptr = response;
+ struct xg_dialog_data *dd = (struct xg_dialog_data *)user_data;
+ dd->response = response;
+ g_main_loop_quit (dd->loop);
}
Lisp_Object arg;
{
struct Lisp_Save_Value *p = XSAVE_VALUE (arg);
+ struct xg_dialog_data *dd = (struct xg_dialog_data *) p->pointer;
+
BLOCK_INPUT;
- gtk_widget_destroy (GTK_WIDGET (p->pointer));
+ if (dd->w) gtk_widget_destroy (dd->w);
+ if (dd->timerid != 0) g_source_remove (dd->timerid);
+
+ g_main_loop_quit (dd->loop);
+ g_main_loop_unref (dd->loop);
+
UNBLOCK_INPUT;
+
return Qnil;
}
+/* If there are any emacs timers pending, add a timeout to main loop in DATA.
+ We pass in DATA as gpointer* so we can use this as a callback. */
+
+static gboolean
+xg_maybe_add_timer (data)
+ gpointer data;
+{
+ struct xg_dialog_data *dd = (struct xg_dialog_data *) data;
+ EMACS_TIME next_time = timer_check (1);
+ long secs = EMACS_SECS (next_time);
+ long usecs = EMACS_USECS (next_time);
+
+ dd->timerid = 0;
+
+ if (secs >= 0 && usecs >= 0 && secs < ((guint)-1)/1000)
+ {
+ dd->timerid = g_timeout_add (secs * 1000 + usecs/1000,
+ xg_maybe_add_timer,
+ dd);
+ }
+ return FALSE;
+}
+
+
+/* Pops up a modal dialog W and waits for response.
+ We don't use gtk_dialog_run because we want to process emacs timers.
+ The dialog W is not destroyed when this function returns. */
+
+static int
+xg_dialog_run (f, w)
+ FRAME_PTR f;
+ GtkWidget *w;
+
+{
+ int count = SPECPDL_INDEX ();
+ struct xg_dialog_data dd;
+
+ xg_set_screen (w, f);
+ gtk_window_set_transient_for (GTK_WINDOW (w),
+ GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)));
+ gtk_window_set_destroy_with_parent (GTK_WINDOW (w), TRUE);
+ gtk_window_set_modal (GTK_WINDOW (w), TRUE);
+
+ dd.loop = g_main_loop_new (NULL, FALSE);
+ dd.response = GTK_RESPONSE_CANCEL;
+ dd.w = w;
+ dd.timerid = 0;
+
+ g_signal_connect (G_OBJECT (w),
+ "response",
+ G_CALLBACK (xg_dialog_response_cb),
+ &dd);
+ /* Don't destroy the widget if closed by the window manager close button. */
+ g_signal_connect (G_OBJECT (w), "delete-event", G_CALLBACK (gtk_true), NULL);
+ gtk_widget_show (w);
+
+ record_unwind_protect (pop_down_dialog, make_save_value (&dd, 0));
+
+ (void) xg_maybe_add_timer (&dd);
+ g_main_loop_run (dd.loop);
+
+ dd.w = 0;
+ unbind_to (count, Qnil);
+
+ return dd.response;
+}
+
+\f
+/***********************************************************************
+ File dialog functions
+ ***********************************************************************/
+/* Return non-zero if the old file selection dialog is being used.
+ Return zero if not. */
+
+int
+xg_uses_old_file_dialog ()
+{
+#ifdef HAVE_GTK_FILE_BOTH
+ extern int x_gtk_use_old_file_dialog;
+ return x_gtk_use_old_file_dialog;
+#else /* ! HAVE_GTK_FILE_BOTH */
+
+#ifdef HAVE_GTK_FILE_SELECTION_NEW
+ return 1;
+#else
+ return 0;
+#endif
+
+#endif /* ! HAVE_GTK_FILE_BOTH */
+}
+
+
typedef char * (*xg_get_file_func) P_ ((GtkWidget *));
#ifdef HAVE_GTK_FILE_CHOOSER_DIALOG_NEW
if (strcmp (arg1->name, "show-hidden") == 0)
{
- GtkFileChooser *dialog = GTK_FILE_CHOOSER (gobject);
GtkWidget *wtoggle = GTK_WIDGET (user_data);
gboolean visible, toggle_on;
int mustmatch_p, only_dir_p;
{
GtkWidget *w = 0;
- int count = SPECPDL_INDEX ();
char *fn = 0;
int filesel_done = 0;
xg_get_file_func func;
#endif /* HAVE_GTK_FILE_BOTH */
- xg_set_screen (w, f);
gtk_widget_set_name (w, "emacs-filedialog");
- gtk_window_set_transient_for (GTK_WINDOW (w),
- GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)));
- gtk_window_set_destroy_with_parent (GTK_WINDOW (w), TRUE);
- gtk_window_set_modal (GTK_WINDOW (w), TRUE);
-
- g_signal_connect (G_OBJECT (w),
- "response",
- G_CALLBACK (xg_dialog_response_cb),
- &filesel_done);
-
- /* Don't destroy the widget if closed by the window manager close button. */
- g_signal_connect (G_OBJECT (w), "delete-event", G_CALLBACK (gtk_true), NULL);
-
- gtk_widget_show (w);
- record_unwind_protect (pop_down_dialog, make_save_value (w, 0));
- while (! filesel_done)
- {
- x_menu_wait_for_event (0);
- gtk_main_iteration ();
- }
+ filesel_done = xg_dialog_run (f, w);
#if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN)
sigunblock (sigmask (__SIGRTMIN));
if (filesel_done == GTK_RESPONSE_OK)
fn = (*func) (w);
- unbind_to (count, Qnil);
-
+ gtk_widget_destroy (w);
return fn;
}
FRAME_PTR f;
char *default_name;
{
- GtkWidget *w = 0;
- int count = SPECPDL_INDEX ();
+ GtkWidget *w;
char *fontname = NULL;
int done = 0;
#endif /* HAVE_GTK_AND_PTHREAD */
w = gtk_font_selection_dialog_new ("Pick a font");
- if (default_name)
- gtk_font_selection_dialog_set_font_name (GTK_FONT_SELECTION_DIALOG (w),
- default_name);
+ if (!default_name)
+ default_name = "Monospace 10";
+ gtk_font_selection_dialog_set_font_name (GTK_FONT_SELECTION_DIALOG (w),
+ default_name);
- xg_set_screen (w, f);
gtk_widget_set_name (w, "emacs-fontdialog");
- gtk_window_set_transient_for (GTK_WINDOW (w),
- GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)));
- gtk_window_set_destroy_with_parent (GTK_WINDOW (w), TRUE);
- gtk_window_set_modal (GTK_WINDOW (w), TRUE);
-
- g_signal_connect (G_OBJECT (w), "response",
- G_CALLBACK (xg_dialog_response_cb), &done);
- /* Don't destroy the widget if closed by the window manager close button. */
- g_signal_connect (G_OBJECT (w), "delete-event", G_CALLBACK (gtk_true), NULL);
-
- gtk_widget_show (w);
-
- record_unwind_protect (pop_down_dialog, make_save_value (w, 0));
- while (!done)
- {
- x_menu_wait_for_event (0);
- gtk_main_iteration ();
- }
+ done = xg_dialog_run (f, w);
#if defined (HAVE_GTK_AND_PTHREAD) && defined (__SIGRTMIN)
sigunblock (sigmask (__SIGRTMIN));
if (done == GTK_RESPONSE_OK)
fontname = gtk_font_selection_dialog_get_font_name
- ((GtkFontSelectionDialog *) w);
-
- unbind_to (count, Qnil);
+ (GTK_FONT_SELECTION_DIALOG (w));
+ gtk_widget_destroy (w);
return fontname;
}
#endif /* HAVE_FREETYPE */
unref_cl_data ((xg_menu_cb_data*) client_data);
}
-/* Callback called when a menu does a grab or ungrab. That means the
- menu has been activated or deactivated.
- Used to start a timer so the small timeout the menus in GTK uses before
- popping down a menu is seen by Emacs (see xg_process_timeouts above).
- W is the widget that does the grab (not used).
- UNGRAB_P is TRUE if this is an ungrab, FALSE if it is a grab.
- CLIENT_DATA is NULL (not used). */
-
-/* Keep track of total number of grabs. */
-static int menu_grab_callback_cnt;
-
-static void
-menu_grab_callback (GtkWidget *widget,
- gboolean ungrab_p,
- gpointer client_data)
-{
- if (ungrab_p) menu_grab_callback_cnt--;
- else menu_grab_callback_cnt++;
-
- if (menu_grab_callback_cnt > 0 && ! xg_timer) xg_start_timer ();
- else if (menu_grab_callback_cnt == 0 && xg_timer) xg_stop_timer ();
-}
-
/* Make a GTK widget that contains both UTF8_LABEL and UTF8_KEY (both
must be non-NULL) and can be inserted into a menu item.
/* Return non-zero if LABEL specifies a separator (GTK only has one
separator type) */
-static char* separator_names[] = {
+static const char* separator_names[] = {
"space",
"no-line",
"single-line",
G_CALLBACK (menuitem_highlight_callback),
NULL);
}
- else wmenu = gtk_menu_bar_new ();
+ else
+ {
+ wmenu = gtk_menu_bar_new ();
+ /* Set width of menu bar to a small value so it doesn't enlarge
+ a small initial frame size. The width will be set to the
+ width of the frame later on when it is added to a container.
+ height -1: Natural height. */
+ gtk_widget_set_size_request (wmenu, 1, -1);
+ }
/* Put cl_data on the top menu for easier access. */
cl_data = make_cl_data (cl_data, f, highlight_cb);
if (deactivate_cb)
g_signal_connect (G_OBJECT (wmenu),
"selection-done", deactivate_cb, 0);
-
- g_signal_connect (G_OBJECT (wmenu),
- "grab-notify", G_CALLBACK (menu_grab_callback), 0);
}
if (! menu_bar_p && add_tearoff_p)
/* Item(s) have been removed. Remove all remaining items. */
xg_destroy_widgets (iter);
+ /* Add a blank entry so the menubar doesn't collapse to nothing. */
+ gtk_menu_shell_insert (GTK_MENU_SHELL (menubar),
+ gtk_menu_item_new_with_label (""),
+ 0);
/* All updated. */
val = 0;
iter = 0;
if (!x->menubar_widget || GTK_WIDGET_MAPPED (x->menubar_widget))
return 0;
+ if (x->menubar_widget && gtk_widget_get_parent (x->menubar_widget))
+ return 0; /* Already done this, happens for frames created invisible. */
+
BLOCK_INPUT;
gtk_box_pack_start (GTK_BOX (x->vbox_widget), x->menubar_widget,
GtkWidget *widget;
gpointer data;
{
- gpointer p;
int id = (int) (EMACS_INT) data; /* The EMACS_INT cast avoids a warning. */
-
- p = g_object_get_data (G_OBJECT (widget), XG_LAST_SB_DATA);
- xfree (p);
xg_remove_widget_from_map (id);
}
-/* Callback for button press/release events. Used to start timer so that
- the scroll bar repetition timer in GTK gets handled.
- Also, sets bar->dragging to Qnil when dragging (button release) is done.
- WIDGET is the scroll bar widget the event is for (not used).
- EVENT contains the event.
- USER_DATA points to the struct scrollbar structure.
-
- Returns FALSE to tell GTK that it shall continue propagate the event
- to widgets. */
-
-static gboolean
-scroll_bar_button_cb (widget, event, user_data)
- GtkWidget *widget;
- GdkEventButton *event;
- gpointer user_data;
-{
- if (event->type == GDK_BUTTON_PRESS && ! xg_timer)
- xg_start_timer ();
- else if (event->type == GDK_BUTTON_RELEASE)
- {
- struct scroll_bar *bar = (struct scroll_bar *) user_data;
- if (xg_timer) xg_stop_timer ();
- bar->dragging = Qnil;
- }
-
- return FALSE;
-}
-
/* Create a scroll bar widget for frame F. Store the scroll bar
in BAR.
SCROLL_CALLBACK is the callback to invoke when the value of the
bar changes.
+ END_CALLBACK is the callback to invoke when scrolling ends.
SCROLL_BAR_NAME is the name we use for the scroll bar. Can be used
to set resources for the widget. */
void
-xg_create_scroll_bar (f, bar, scroll_callback, scroll_bar_name)
+xg_create_scroll_bar (f, bar, scroll_callback, end_callback, scroll_bar_name)
FRAME_PTR f;
struct scroll_bar *bar;
- GCallback scroll_callback;
+ GCallback scroll_callback, end_callback;
char *scroll_bar_name;
{
GtkWidget *wscroll;
webox = gtk_event_box_new ();
gtk_widget_set_name (wscroll, scroll_bar_name);
gtk_range_set_update_policy (GTK_RANGE (wscroll), GTK_UPDATE_CONTINUOUS);
+ g_object_set_data (G_OBJECT (wscroll), XG_FRAME_DATA, (gpointer)f);
scroll_id = xg_store_widget_in_map (wscroll);
- g_signal_connect (G_OBJECT (wscroll),
- "value-changed",
- scroll_callback,
- (gpointer) bar);
/* The EMACS_INT cast avoids a warning. */
g_signal_connect (G_OBJECT (wscroll),
"destroy",
G_CALLBACK (xg_gtk_scroll_destroy),
(gpointer) (EMACS_INT) scroll_id);
-
- /* Connect to button press and button release to detect if any scroll bar
- has the pointer. */
g_signal_connect (G_OBJECT (wscroll),
- "button-press-event",
- G_CALLBACK (scroll_bar_button_cb),
+ "change-value",
+ scroll_callback,
(gpointer) bar);
g_signal_connect (G_OBJECT (wscroll),
"button-release-event",
- G_CALLBACK (scroll_bar_button_cb),
+ end_callback,
(gpointer) bar);
-
+
/* The scroll bar widget does not draw on a window of its own. Instead
it draws on the parent window, in this case the edit widget. So
whenever the edit widget is cleared, the scroll bar needs to redraw
{
GtkWidget *wfixed = f->output_data.x->edit_widget;
GtkWidget *wparent = gtk_widget_get_parent (wscroll);
+ GtkFixed *wf = GTK_FIXED (wfixed);
+
+ /* Clear out old position. */
+ GList *iter;
+ int oldx = -1, oldy = -1, oldw, oldh;
+ for (iter = wf->children; iter; iter = iter->next)
+ if (((GtkFixedChild *)iter->data)->widget == wparent)
+ {
+ GtkFixedChild *ch = (GtkFixedChild *)iter->data;
+ if (ch->x != left || ch->y != top)
+ {
+ oldx = ch->x;
+ oldy = ch->y;
+ gtk_widget_get_size_request (wscroll, &oldw, &oldh);
+ }
+ break;
+ }
/* Move and resize to new values. */
gtk_fixed_move (GTK_FIXED (wfixed), wparent, left, top);
gtk_widget_set_size_request (wscroll, width, height);
- gtk_widget_queue_draw (wparent);
+ gtk_widget_queue_draw (wfixed);
gdk_window_process_all_updates ();
+ if (oldx != -1)
+ {
+ /* Clear under old scroll bar position. This must be done after
+ the gtk_widget_queue_draw and gdk_window_process_all_updates
+ above. */
+ x_clear_area (FRAME_X_DISPLAY (f),
+ FRAME_X_WINDOW (f),
+ oldx, oldy, oldw, oldh, 0);
+ }
+
/* GTK does not redraw until the main loop is entered again, but
if there are no X events pending we will not enter it. So we sync
here to get some events. */
+
x_sync (f);
SET_FRAME_GARBAGED (f);
cancel_mouse_face (f);
if (changed || (int) gtk_range_get_value (GTK_RANGE (wscroll)) != value)
{
- GtkWidget *wfixed = f->output_data.x->edit_widget;
-
BLOCK_INPUT;
/* gtk_range_set_value invokes the callback. Set
}
}
+/* Return non-zero if EVENT is for a scroll bar in frame F.
+ When the same X window is used for several Gtk+ widgets, we cannot
+ say for sure based on the X window alone if an event is for the
+ frame. This function does additional checks.
+
+ Return non-zero if the event is for a scroll bar, zero otherwise. */
+
+int
+xg_event_is_for_scrollbar (f, event)
+ FRAME_PTR f;
+ XEvent *event;
+{
+ int retval = 0;
+
+ if (f && event->type == ButtonPress && event->xbutton.button < 4)
+ {
+ /* Check if press occurred outside the edit widget. */
+ GdkDisplay *gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f));
+ retval = gdk_display_get_window_at_pointer (gdpy, NULL, NULL)
+ != f->output_data.x->edit_widget->window;
+ }
+ else if (f
+ && ((event->type == ButtonRelease && event->xbutton.button < 4)
+ || event->type == MotionNotify))
+ {
+ /* If we are releasing or moving the scroll bar, it has the grab. */
+ retval = gtk_grab_get_current () != 0
+ && gtk_grab_get_current () != f->output_data.x->edit_widget;
+ }
+
+ return retval;
+}
+
+
\f
/***********************************************************************
Tool bar functions
GtkWidget *wbutton = GTK_WIDGET (g_object_get_data (G_OBJECT (w),
XG_TOOL_BAR_PROXY_BUTTON));
- xg_tool_bar_help_callback (wbutton, event, client_data);
+ return xg_tool_bar_help_callback (wbutton, event, client_data);
}
FRAME_PTR f;
{
struct x_output *x = f->output_data.x;
- GtkRequisition req;
x->toolbar_widget = gtk_toolbar_new ();
x->toolbar_detached = 0;
/* Update the tool bar for frame F. Add new buttons and remove old. */
+extern Lisp_Object Qx_gtk_map_stock;
+
void
update_frame_tool_bar (f)
FRAME_PTR f;
for (i = 0; i < f->n_tool_bar_items; ++i)
{
-
int enabled_p = !NILP (PROP (TOOL_BAR_ITEM_ENABLED_P));
int selected_p = !NILP (PROP (TOOL_BAR_ITEM_SELECTED_P));
int idx;
Lisp_Object rtl;
GtkWidget *wbutton = NULL;
GtkWidget *weventbox;
- Lisp_Object func = intern ("x-gtk-map-stock");
Lisp_Object specified_file;
ti = gtk_toolbar_get_nth_item (GTK_TOOLBAR (x->toolbar_widget), i);
}
specified_file = file_for_image (image);
- if (!NILP (specified_file) && EQ (Qt, Ffboundp (func)))
- stock = call1 (func, specified_file);
+ if (!NILP (specified_file) && !NILP (Ffboundp (Qx_gtk_map_stock)))
+ stock = call1 (Qx_gtk_map_stock, specified_file);
- if (! NILP (stock) && STRINGP (stock))
+ if (STRINGP (stock))
{
stock_name = SSDATA (stock);
if (stock_name[0] == 'n' && stock_name[1] == ':')