122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
/*
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* Copyright © 2018 Benjamin Otte
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#include "config.h"
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#include "highlightoverlay.h"
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#include "gtkwidget.h"
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struct _GtkHighlightOverlay
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{
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GtkInspectorOverlay parent_instance;
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GtkWidget *widget;
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GdkRGBA color;
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};
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struct _GtkHighlightOverlayClass
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{
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GtkInspectorOverlayClass parent_class;
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};
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G_DEFINE_TYPE (GtkHighlightOverlay, gtk_highlight_overlay, GTK_TYPE_INSPECTOR_OVERLAY)
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static void
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gtk_highlight_overlay_snapshot (GtkInspectorOverlay *overlay,
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GtkSnapshot *snapshot,
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GskRenderNode *node,
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GtkWidget *widget)
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{
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GtkHighlightOverlay *self = GTK_HIGHLIGHT_OVERLAY (overlay);
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graphene_rect_t bounds;
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if (!gtk_widget_compute_bounds (self->widget, widget, &bounds))
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return;
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gtk_snapshot_append_color (snapshot,
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&self->color,
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&bounds);
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}
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static void
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gtk_highlight_overlay_queue_draw (GtkInspectorOverlay *overlay)
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{
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GtkHighlightOverlay *self = GTK_HIGHLIGHT_OVERLAY (overlay);
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gtk_widget_queue_draw (self->widget);
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}
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static void
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gtk_highlight_overlay_dispose (GObject *object)
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{
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GtkHighlightOverlay *self = GTK_HIGHLIGHT_OVERLAY (object);
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g_clear_object (&self->widget);
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G_OBJECT_CLASS (gtk_highlight_overlay_parent_class)->dispose (object);
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}
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static void
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gtk_highlight_overlay_class_init (GtkHighlightOverlayClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GtkInspectorOverlayClass *overlay_class = GTK_INSPECTOR_OVERLAY_CLASS (klass);
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overlay_class->snapshot = gtk_highlight_overlay_snapshot;
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overlay_class->queue_draw = gtk_highlight_overlay_queue_draw;
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gobject_class->dispose = gtk_highlight_overlay_dispose;
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}
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static void
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gtk_highlight_overlay_init (GtkHighlightOverlay *self)
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{
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self->color = (GdkRGBA) { 0.0, 0.0, 1.0, 0.2 };
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}
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GtkInspectorOverlay *
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gtk_highlight_overlay_new (GtkWidget *widget)
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{
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GtkHighlightOverlay *self;
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self = g_object_new (GTK_TYPE_HIGHLIGHT_OVERLAY, NULL);
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self->widget = g_object_ref (widget);
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return GTK_INSPECTOR_OVERLAY (self);
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}
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GtkWidget *
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gtk_highlight_overlay_get_widget (GtkHighlightOverlay *self)
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{
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return self->widget;
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}
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void
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gtk_highlight_overlay_set_color (GtkHighlightOverlay *self,
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const GdkRGBA *color)
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{
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if (gdk_rgba_equal (&self->color, color))
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return;
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self->color = *color;
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gtk_inspector_overlay_queue_draw (GTK_INSPECTOR_OVERLAY (self));
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}
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