111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
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/*
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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 "focusoverlay.h"
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#include "gtkwidget.h"
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#include "gtkroot.h"
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#include "gtknative.h"
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struct _GtkFocusOverlay
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{
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GtkInspectorOverlay parent_instance;
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GdkRGBA color;
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};
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struct _GtkFocusOverlayClass
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{
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GtkInspectorOverlayClass parent_class;
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};
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G_DEFINE_TYPE (GtkFocusOverlay, gtk_focus_overlay, GTK_TYPE_INSPECTOR_OVERLAY)
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static void
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gtk_focus_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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GtkFocusOverlay *self = GTK_FOCUS_OVERLAY (overlay);
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GtkWidget *focus;
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graphene_rect_t bounds;
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if (!GTK_IS_NATIVE (widget))
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return;
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focus = gtk_root_get_focus (GTK_ROOT (gtk_widget_get_root (widget)));
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if (!focus)
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return;
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if (!gtk_widget_is_ancestor (focus, widget))
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return;
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if (GTK_WIDGET (gtk_widget_get_native (focus)) != widget)
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return;
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if (!gtk_widget_compute_bounds (focus, widget, &bounds))
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return;
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gtk_snapshot_append_color (snapshot, &self->color, &bounds);
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}
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static void
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gtk_focus_overlay_queue_draw (GtkInspectorOverlay *overlay)
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{
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}
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static void
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gtk_focus_overlay_class_init (GtkFocusOverlayClass *klass)
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{
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GtkInspectorOverlayClass *overlay_class = GTK_INSPECTOR_OVERLAY_CLASS (klass);
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overlay_class->snapshot = gtk_focus_overlay_snapshot;
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overlay_class->queue_draw = gtk_focus_overlay_queue_draw;
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}
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static void
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gtk_focus_overlay_init (GtkFocusOverlay *self)
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{
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self->color = (GdkRGBA) { 0.5, 0.0, 1.0, 0.2 };
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}
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GtkInspectorOverlay *
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gtk_focus_overlay_new (void)
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{
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GtkFocusOverlay *self;
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self = g_object_new (GTK_TYPE_FOCUS_OVERLAY, NULL);
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return GTK_INSPECTOR_OVERLAY (self);
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}
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void
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gtk_focus_overlay_set_color (GtkFocusOverlay *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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