gtk2/gtk/inspector/focusoverlay.c
Timm Bäder a5e7e72dd8 inspector: Fix overlay coordinates
Get the native transform only once, for all overlays. Unfortunately we
have to undo this for the updates overlay since that one gets values
in surface coordinates.
2020-05-20 17:06:54 +02:00

112 lines
2.7 KiB
C

/*
* Copyright © 2018 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "focusoverlay.h"
#include "gtkintl.h"
#include "gtkwidget.h"
#include "gtkroot.h"
#include "gtknativeprivate.h"
struct _GtkFocusOverlay
{
GtkInspectorOverlay parent_instance;
GdkRGBA color;
};
struct _GtkFocusOverlayClass
{
GtkInspectorOverlayClass parent_class;
};
G_DEFINE_TYPE (GtkFocusOverlay, gtk_focus_overlay, GTK_TYPE_INSPECTOR_OVERLAY)
static void
gtk_focus_overlay_snapshot (GtkInspectorOverlay *overlay,
GtkSnapshot *snapshot,
GskRenderNode *node,
GtkWidget *widget)
{
GtkFocusOverlay *self = GTK_FOCUS_OVERLAY (overlay);
GtkWidget *focus;
graphene_rect_t bounds;
if (!GTK_IS_NATIVE (widget))
return;
focus = gtk_root_get_focus (GTK_ROOT (gtk_widget_get_root (widget)));
if (!focus)
return;
if (!gtk_widget_is_ancestor (focus, widget))
return;
if (GTK_WIDGET (gtk_widget_get_native (focus)) != widget)
return;
if (!gtk_widget_compute_bounds (focus, widget, &bounds))
return;
gtk_snapshot_append_color (snapshot, &self->color, &bounds);
}
static void
gtk_focus_overlay_queue_draw (GtkInspectorOverlay *overlay)
{
}
static void
gtk_focus_overlay_class_init (GtkFocusOverlayClass *klass)
{
GtkInspectorOverlayClass *overlay_class = GTK_INSPECTOR_OVERLAY_CLASS (klass);
overlay_class->snapshot = gtk_focus_overlay_snapshot;
overlay_class->queue_draw = gtk_focus_overlay_queue_draw;
}
static void
gtk_focus_overlay_init (GtkFocusOverlay *self)
{
self->color = (GdkRGBA) { 0.5, 0.0, 1.0, 0.2 };
}
GtkInspectorOverlay *
gtk_focus_overlay_new (void)
{
GtkFocusOverlay *self;
self = g_object_new (GTK_TYPE_FOCUS_OVERLAY, NULL);
return GTK_INSPECTOR_OVERLAY (self);
}
void
gtk_focus_overlay_set_color (GtkFocusOverlay *self,
const GdkRGBA *color)
{
if (gdk_rgba_equal (&self->color, color))
return;
self->color = *color;
gtk_inspector_overlay_queue_draw (GTK_INSPECTOR_OVERLAY (self));
}