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Make realize and unrealize signals. (#73310)

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Wed Feb 25 12:44:49 2004  Owen Taylor  <otaylor@redhat.com>

        * gtk/gtkstyle.[ch]: Make realize and unrealize signals. (#73310)
This commit is contained in:
Owen Taylor 2004-02-25 18:03:12 +00:00 committed by Owen Taylor
parent 32ba5ce7d8
commit e81b19c5ee
6 changed files with 60 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Wed Feb 25 12:44:49 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkstyle.[ch]: Make realize and unrealize signals. (#73310)
Wed Feb 25 12:21:32 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkwidget.[ch] gtk/gtklabel.c: Patch from

4
ChangeLog.pre-2-10
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@ -1,3 +1,7 @@
Wed Feb 25 12:44:49 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkstyle.[ch]: Make realize and unrealize signals. (#73310)
Wed Feb 25 12:21:32 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkwidget.[ch] gtk/gtklabel.c: Patch from

4
ChangeLog.pre-2-4
View File

@ -1,3 +1,7 @@
Wed Feb 25 12:44:49 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkstyle.[ch]: Make realize and unrealize signals. (#73310)
Wed Feb 25 12:21:32 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkwidget.[ch] gtk/gtklabel.c: Patch from

4
ChangeLog.pre-2-6
View File

@ -1,3 +1,7 @@
Wed Feb 25 12:44:49 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkstyle.[ch]: Make realize and unrealize signals. (#73310)
Wed Feb 25 12:21:32 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkwidget.[ch] gtk/gtklabel.c: Patch from

4
ChangeLog.pre-2-8
View File

@ -1,3 +1,7 @@
Wed Feb 25 12:44:49 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkstyle.[ch]: Make realize and unrealize signals. (#73310)
Wed Feb 25 12:21:32 2004 Owen Taylor <otaylor@redhat.com>
* gtk/gtkwidget.[ch] gtk/gtklabel.c: Patch from

42
gtk/gtkstyle.c
View File

@ -28,6 +28,7 @@
#include <stdlib.h>
#include <string.h>
#include "gtkgc.h"
#include "gtkmarshalers.h"
#include "gtkrc.h"
#include "gtkspinbutton.h"
#include "gtkstyle.h"
@ -462,6 +463,9 @@ static const GdkColor gtk_default_active_base = { 0, 0x8080, 0x7d7d, 0x7474 }
static gpointer parent_class = NULL;
/* --- signals --- */
static guint realize_signal = 0;
static guint unrealize_signal = 0;
/* --- functions --- */
GType
@ -640,6 +644,40 @@ gtk_style_class_init (GtkStyleClass *klass)
klass->draw_expander = gtk_default_draw_expander;
klass->draw_layout = gtk_default_draw_layout;
klass->draw_resize_grip = gtk_default_draw_resize_grip;
/**
* GtkStyle::realize:
* @style: the object which received the signal
*
* Emitted when the style has been initialized for a particular
* colormap and depth. Connecting to this signal is probably seldom
* useful since most of the time applications and widgets only
* deal with styles that have been already realized.
*/
realize_signal = g_signal_new ("realize",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkStyleClass, realize),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
/**
* GtkStyle::unrealize:
* @style: the object which received the signal
*
* Emitted when the aspects of the style specific to a particular colormap
* and depth are being cleaned up. A connection to this signal can be useful
* if a widget wants to cache objects like a #GdkGC as object data on #GtkStyle.
* This signal provides a convenient place to free such cached objects.
*/
unrealize_signal = g_signal_new ("unrealize",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkStyleClass, unrealize),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
@ -859,7 +897,7 @@ gtk_style_detach (GtkStyle *style)
style->attach_count -= 1;
if (style->attach_count == 0)
{
GTK_STYLE_GET_CLASS (style)->unrealize (style);
g_signal_emit (style, unrealize_signal, 0);
g_object_unref (style->colormap);
style->colormap = NULL;
@ -915,7 +953,7 @@ gtk_style_realize (GtkStyle *style,
style->colormap = g_object_ref (colormap);
style->depth = gdk_colormap_get_visual (colormap)->depth;
GTK_STYLE_GET_CLASS (style)->realize (style);
g_signal_emit (style, realize_signal, 0);
}
GtkIconSet*