forked from AuroraMiddleware/gtk
115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2021 Red Hat, Inc.
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*
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* Authors:
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* - Matthias Clasen <mclasen@redhat.com>
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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 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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#include "config.h"
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#include "gtkpanedhandleprivate.h"
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#include "gtkwidgetprivate.h"
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#include "gtkcssnodeprivate.h"
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#include "gtkcssstyleprivate.h"
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#include "gtkrendericonprivate.h"
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#include "gtkcssboxesprivate.h"
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#include "gtkprivate.h"
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#include "gtkpaned.h"
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G_DEFINE_TYPE (GtkPanedHandle, gtk_paned_handle, GTK_TYPE_WIDGET);
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static void
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gtk_paned_handle_snapshot (GtkWidget *widget,
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GtkSnapshot *snapshot)
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{
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GtkCssStyle *style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
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int width, height;
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width = gtk_widget_get_width (widget);
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height = gtk_widget_get_height (widget);
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if (width > 0 && height > 0)
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gtk_css_style_snapshot_icon (style, snapshot, width, height);
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}
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#define HANDLE_EXTRA_SIZE 6
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static gboolean
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gtk_paned_handle_contains (GtkWidget *widget,
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double x,
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double y)
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{
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GtkWidget *paned;
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GtkCssBoxes boxes;
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graphene_rect_t area;
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gtk_css_boxes_init (&boxes, widget);
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graphene_rect_init_from_rect (&area, gtk_css_boxes_get_border_rect (&boxes));
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paned = gtk_widget_get_parent (widget);
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if (!gtk_paned_get_wide_handle (GTK_PANED (paned)))
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graphene_rect_inset (&area, - HANDLE_EXTRA_SIZE, - HANDLE_EXTRA_SIZE);
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return graphene_rect_contains_point (&area, &GRAPHENE_POINT_INIT (x, y));
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}
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static void
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gtk_paned_handle_finalize (GObject *object)
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{
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GtkPanedHandle *self = GTK_PANED_HANDLE (object);
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GtkWidget *widget;
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widget = _gtk_widget_get_first_child (GTK_WIDGET (self));
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while (widget != NULL)
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{
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GtkWidget *next = _gtk_widget_get_next_sibling (widget);
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gtk_widget_unparent (widget);
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widget = next;
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}
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G_OBJECT_CLASS (gtk_paned_handle_parent_class)->finalize (object);
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}
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static void
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gtk_paned_handle_class_init (GtkPanedHandleClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
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object_class->finalize = gtk_paned_handle_finalize;
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widget_class->snapshot = gtk_paned_handle_snapshot;
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widget_class->contains = gtk_paned_handle_contains;
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gtk_widget_class_set_css_name (widget_class, I_("separator"));
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}
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static void
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gtk_paned_handle_init (GtkPanedHandle *self)
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{
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}
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GtkWidget *
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gtk_paned_handle_new (void)
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{
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return g_object_new (GTK_TYPE_PANED_HANDLE, NULL);
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}
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