forked from AuroraMiddleware/gtk
35488959b4
Instead of bending GtkGizmo to the breaking point, split off a GtkPanedHandle class that just does what is needed here. Its simpler, and lets us keep GtkGizmo simpler too. Everybody wins.
115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright (C) 2021 Red Hat, Inc.
|
|
*
|
|
* Authors:
|
|
* - Matthias Clasen <mclasen@redhat.com>
|
|
*
|
|
* 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 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/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gtkpanedhandleprivate.h"
|
|
#include "gtkwidgetprivate.h"
|
|
#include "gtkcssnodeprivate.h"
|
|
#include "gtkcssstyleprivate.h"
|
|
#include "gtkrendericonprivate.h"
|
|
#include "gtkcssboxesprivate.h"
|
|
#include "gtkintl.h"
|
|
|
|
#include "gtkpaned.h"
|
|
|
|
|
|
G_DEFINE_TYPE (GtkPanedHandle, gtk_paned_handle, GTK_TYPE_WIDGET);
|
|
|
|
static void
|
|
gtk_paned_handle_snapshot (GtkWidget *widget,
|
|
GtkSnapshot *snapshot)
|
|
{
|
|
GtkCssStyle *style = gtk_css_node_get_style (gtk_widget_get_css_node (widget));
|
|
int width, height;
|
|
|
|
width = gtk_widget_get_width (widget);
|
|
height = gtk_widget_get_height (widget);
|
|
|
|
if (width > 0 && height > 0)
|
|
gtk_css_style_snapshot_icon (style, snapshot, width, height);
|
|
}
|
|
|
|
#define HANDLE_EXTRA_SIZE 6
|
|
|
|
static gboolean
|
|
gtk_paned_handle_contains (GtkWidget *widget,
|
|
double x,
|
|
double y)
|
|
{
|
|
GtkWidget *paned;
|
|
GtkCssBoxes boxes;
|
|
graphene_rect_t area;
|
|
|
|
gtk_css_boxes_init (&boxes, widget);
|
|
|
|
graphene_rect_init_from_rect (&area, gtk_css_boxes_get_border_rect (&boxes));
|
|
|
|
paned = gtk_widget_get_parent (widget);
|
|
if (!gtk_paned_get_wide_handle (GTK_PANED (paned)))
|
|
graphene_rect_inset (&area, - HANDLE_EXTRA_SIZE, - HANDLE_EXTRA_SIZE);
|
|
|
|
return graphene_rect_contains_point (&area, &GRAPHENE_POINT_INIT (x, y));
|
|
}
|
|
|
|
static void
|
|
gtk_paned_handle_finalize (GObject *object)
|
|
{
|
|
GtkPanedHandle *self = GTK_PANED_HANDLE (object);
|
|
GtkWidget *widget;
|
|
|
|
widget = _gtk_widget_get_first_child (GTK_WIDGET (self));
|
|
while (widget != NULL)
|
|
{
|
|
GtkWidget *next = _gtk_widget_get_next_sibling (widget);
|
|
|
|
gtk_widget_unparent (widget);
|
|
|
|
widget = next;
|
|
}
|
|
|
|
G_OBJECT_CLASS (gtk_paned_handle_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gtk_paned_handle_class_init (GtkPanedHandleClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
|
|
|
object_class->finalize = gtk_paned_handle_finalize;
|
|
|
|
widget_class->snapshot = gtk_paned_handle_snapshot;
|
|
widget_class->contains = gtk_paned_handle_contains;
|
|
|
|
gtk_widget_class_set_css_name (widget_class, I_("separator"));
|
|
}
|
|
|
|
static void
|
|
gtk_paned_handle_init (GtkPanedHandle *self)
|
|
{
|
|
}
|
|
|
|
GtkWidget *
|
|
gtk_paned_handle_new (void)
|
|
{
|
|
return g_object_new (GTK_TYPE_PANED_HANDLE, NULL);
|
|
}
|