gtk2/gtk/inspector/magnifier.c
Matthias Clasen 7c2ce72b5f inspector: Manage visibility of stack pages
The hand-rolled stack combo we were using before
was looking at the visibility of the page itself
to show or hide items. Other stack switchers
expect us to use the GtkStackPage::visible
property for this.
2019-04-02 23:36:45 +00:00

147 lines
4.0 KiB
C

/*
* Copyright (c) 2014 Red Hat, Inc.
*
* 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 <glib/gi18n-lib.h>
#include "magnifier.h"
#include "gtkmagnifierprivate.h"
#include "gtklabel.h"
#include "gtkadjustment.h"
#include "gtkstack.h"
enum
{
PROP_0,
PROP_ADJUSTMENT
};
struct _GtkInspectorMagnifierPrivate
{
GtkWidget *object;
GtkWidget *magnifier;
GtkAdjustment *adjustment;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorMagnifier, gtk_inspector_magnifier, GTK_TYPE_BOX)
static void
gtk_inspector_magnifier_init (GtkInspectorMagnifier *sl)
{
sl->priv = gtk_inspector_magnifier_get_instance_private (sl);
gtk_widget_init_template (GTK_WIDGET (sl));
}
void
gtk_inspector_magnifier_set_object (GtkInspectorMagnifier *sl,
GObject *object)
{
GtkWidget *stack;
GtkStackPage *page;
stack = gtk_widget_get_parent (GTK_WIDGET (sl));
page = gtk_stack_get_page (GTK_STACK (stack), GTK_WIDGET (sl));
sl->priv->object = NULL;
if (!GTK_IS_WIDGET (object) || !gtk_widget_is_visible (GTK_WIDGET (object)))
{
g_object_set (page, "visible", FALSE, NULL);
_gtk_magnifier_set_inspected (GTK_MAGNIFIER (sl->priv->magnifier), NULL);
return;
}
g_object_set (page, "visible", TRUE, NULL);
sl->priv->object = GTK_WIDGET (object);
_gtk_magnifier_set_inspected (GTK_MAGNIFIER (sl->priv->magnifier), GTK_WIDGET (object));
_gtk_magnifier_set_coords (GTK_MAGNIFIER (sl->priv->magnifier), 0, 0);
}
static void
get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec)
{
GtkInspectorMagnifier *sl = GTK_INSPECTOR_MAGNIFIER (object);
switch (param_id)
{
case PROP_ADJUSTMENT:
g_value_take_object (value, sl->priv->adjustment);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
set_property (GObject *object,
guint param_id,
const GValue *value,
GParamSpec *pspec)
{
GtkInspectorMagnifier *sl = GTK_INSPECTOR_MAGNIFIER (object);
switch (param_id)
{
case PROP_ADJUSTMENT:
sl->priv->adjustment = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
break;
}
}
static void
constructed (GObject *object)
{
GtkInspectorMagnifier *sl = GTK_INSPECTOR_MAGNIFIER (object);
g_object_bind_property (sl->priv->adjustment, "value",
sl->priv->magnifier, "magnification",
G_BINDING_SYNC_CREATE);
}
static void
gtk_inspector_magnifier_class_init (GtkInspectorMagnifierClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->get_property = get_property;
object_class->set_property = set_property;
object_class->constructed = constructed;
g_object_class_install_property (object_class, PROP_ADJUSTMENT,
g_param_spec_object ("adjustment", NULL, NULL,
GTK_TYPE_ADJUSTMENT, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/libgtk/inspector/magnifier.ui");
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorMagnifier, magnifier);
}
// vim: set et sw=2 ts=2: