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switch: Unclip the slider shadow

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This commit arranges things so the shadow of the slider can
extend outside the widget, even if the switch itself has no
shadow.

https://bugzilla.gnome.org/show_bug.cgi?id=755791
This commit is contained in:
Matthias Clasen 2015-10-03 16:20:50 -04:00
parent c0e3b6ce71
commit 83b8bcb63a
1 changed files with 25 additions and 1 deletions
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26
gtk/gtkswitch.c
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@ -52,6 +52,8 @@
#include "a11y/gtkswitchaccessible.h"
#include "gtkactionhelper.h"
#include "gtkwidgetprivate.h"
#include "gtkcssshadowsvalueprivate.h"
#include "gtkstylecontextprivate.h"
#include "fallback-c89.c"
@ -447,6 +449,9 @@ gtk_switch_size_allocate (GtkWidget *widget,
GtkAllocation *allocation)
{
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
GtkStyleContext *context;
GtkBorder extents;
GtkAllocation clip;
gtk_widget_set_allocation (widget, allocation);
@ -457,7 +462,26 @@ gtk_switch_size_allocate (GtkWidget *widget,
allocation->width,
allocation->height);
_gtk_widget_set_simple_clip (widget, NULL);
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_remove_class (context, GTK_STYLE_CLASS_TROUGH);
gtk_style_context_add_class (context, GTK_STYLE_CLASS_SLIDER);
_gtk_css_shadows_value_get_extents (_gtk_style_context_peek_property (context,
GTK_CSS_PROPERTY_BOX_SHADOW),
&extents);
gtk_style_context_restore (context);
clip = *allocation;
clip.x -= extents.left;
clip.y -= extents.top;
clip.width += extents.left + extents.right;
clip.height += extents.top + extents.bottom;
_gtk_widget_set_simple_clip (widget, &clip);
}
static void