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/*
* 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 "highlightoverlay.h"
#include "gtkwidget.h"
struct _GtkHighlightOverlay
{
GtkInspectorOverlay parent_instance;
GtkWidget *widget;
GdkRGBA color;
};
struct _GtkHighlightOverlayClass
{
GtkInspectorOverlayClass parent_class;
};
G_DEFINE_TYPE (GtkHighlightOverlay, gtk_highlight_overlay, GTK_TYPE_INSPECTOR_OVERLAY)
static void
gtk_highlight_overlay_snapshot (GtkInspectorOverlay *overlay,
GtkSnapshot *snapshot,
GskRenderNode *node,
GtkWidget *widget)
{
GtkHighlightOverlay *self = GTK_HIGHLIGHT_OVERLAY (overlay);
graphene_rect_t bounds;
if (!gtk_widget_compute_bounds (self->widget, widget, &bounds))
return;
gtk_snapshot_append_color (snapshot,
&self->color,
&bounds);
}
static void
gtk_highlight_overlay_queue_draw (GtkInspectorOverlay *overlay)
{
GtkHighlightOverlay *self = GTK_HIGHLIGHT_OVERLAY (overlay);
gtk_widget_queue_draw (self->widget);
}
static void
gtk_highlight_overlay_dispose (GObject *object)
{
GtkHighlightOverlay *self = GTK_HIGHLIGHT_OVERLAY (object);
g_clear_object (&self->widget);
G_OBJECT_CLASS (gtk_highlight_overlay_parent_class)->dispose (object);
}
static void
gtk_highlight_overlay_class_init (GtkHighlightOverlayClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GtkInspectorOverlayClass *overlay_class = GTK_INSPECTOR_OVERLAY_CLASS (klass);
overlay_class->snapshot = gtk_highlight_overlay_snapshot;
overlay_class->queue_draw = gtk_highlight_overlay_queue_draw;
gobject_class->dispose = gtk_highlight_overlay_dispose;
}
static void
gtk_highlight_overlay_init (GtkHighlightOverlay *self)
{
self->color = (GdkRGBA) { 0.0, 0.0, 1.0, 0.2 };
}
GtkInspectorOverlay *
gtk_highlight_overlay_new (GtkWidget *widget)
{
GtkHighlightOverlay *self;
self = g_object_new (GTK_TYPE_HIGHLIGHT_OVERLAY, NULL);
self->widget = g_object_ref (widget);
return GTK_INSPECTOR_OVERLAY (self);
}
GtkWidget *
gtk_highlight_overlay_get_widget (GtkHighlightOverlay *self)
{
return self->widget;
}
void
gtk_highlight_overlay_set_color (GtkHighlightOverlay *self,
const GdkRGBA *color)
{
if (gdk_rgba_equal (&self->color, color))
return;
self->color = *color;
gtk_inspector_overlay_queue_draw (GTK_INSPECTOR_OVERLAY (self));
}
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