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revealer: Implement snapshot()

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The revealer needs to clip the child during animations, whcih draw() did
automatically, but snapshot() does not.
This commit is contained in:
Benjamin Otte 2016-12-20 19:06:07 +01:00
parent c4065b9ee0
commit acaa04c031
1 changed files with 41 additions and 5 deletions
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46
gtk/gtkrevealer.c
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@ -21,13 +21,15 @@
*/
#include "config.h"
#include "gtkrevealer.h"
#include <gdk/gdk.h>
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
#include "gtksettingsprivate.h"
#include "gtkprogresstrackerprivate.h"
#include "gtkintl.h"
#include "gtkprivate.h"
#include "gtkprogresstrackerprivate.h"
#include "gtksettingsprivate.h"
#include "gtksnapshot.h"
#include "gtktypebuiltins.h"
#include "fallback-c89.c"
@ -107,6 +109,8 @@ static void gtk_revealer_measure (GtkWidget *widget,
int *natural,
int *minimum_baseline,
int *natural_baseline);
static void gtk_revealer_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot);
G_DEFINE_TYPE_WITH_PRIVATE (GtkRevealer, gtk_revealer, GTK_TYPE_BIN)
@ -219,6 +223,7 @@ gtk_revealer_class_init (GtkRevealerClass *klass)
widget_class->map = gtk_revealer_real_map;
widget_class->unmap = gtk_revealer_real_unmap;
widget_class->measure = gtk_revealer_measure;
widget_class->snapshot = gtk_revealer_snapshot;
container_class->add = gtk_revealer_real_add;
@ -818,6 +823,37 @@ gtk_revealer_measure (GtkWidget *widget,
set_height_with_paddings (GTK_REVEALER (widget), min_size, nat_size, minimum, natural);
}
static void
gtk_revealer_snapshot (GtkWidget *widget,
GtkSnapshot *snapshot)
{
GtkRevealer *revealer = GTK_REVEALER (widget);
GtkRevealerTransitionType transition;
GtkWidget *child;
child = gtk_bin_get_child (GTK_BIN (revealer));
if (child == NULL || !gtk_widget_get_mapped (child))
return;
transition = effective_transition (revealer);
if (transition == GTK_REVEALER_TRANSITION_TYPE_NONE)
{
gtk_container_snapshot_child (GTK_CONTAINER (revealer), child, snapshot);
}
else
{
gtk_snapshot_push_clip (snapshot,
&GRAPHENE_RECT_INIT(
0, 0,
gtk_widget_get_allocated_width (widget),
gtk_widget_get_allocated_height (widget)
),
"RevealerClip");
gtk_container_snapshot_child (GTK_CONTAINER (revealer), child, snapshot);
gtk_snapshot_pop_and_append (snapshot);
}
}
/**
* gtk_revealer_get_transition_duration:
* @revealer: a #GtkRevealer