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https://gitlab.gnome.org/GNOME/gtk.git
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Add GtkSwitch, a "light-switch" like widget
The GtkSwitch widget is a simple UI control that has two states: on and off. Toggling between the states is possible by clicking the widget or by dragging the handle. https://bugzilla.gnome.org/show_bug.cgi?id=634987
This commit is contained in:
Emmanuele Bassi
parent
7d0e356946
commit
0cd0e4091f
@ -288,6 +288,7 @@ gtk_public_h_sources = \
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gtkstatusicon.h \
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gtkstatusicon.h \
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gtkstock.h \
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gtkstock.h \
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gtkstyle.h \
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gtkstyle.h \
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gtkswitch.h \
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gtktable.h \
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gtktable.h \
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gtktearoffmenuitem.h \
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gtktearoffmenuitem.h \
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gtktestutils.h \
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gtktestutils.h \
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@ -561,6 +562,7 @@ gtk_base_c_sources = \
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gtkstatusicon.c \
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gtkstatusicon.c \
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gtkstock.c \
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gtkstock.c \
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gtkstyle.c \
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gtkstyle.c \
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gtkswitch.c \
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gtktable.c \
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gtktable.c \
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gtktearoffmenuitem.c \
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gtktearoffmenuitem.c \
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gtktestutils.c \
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gtktestutils.c \
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@ -171,6 +171,7 @@
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#include <gtk/gtkstatusicon.h>
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#include <gtk/gtkstatusicon.h>
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#include <gtk/gtkstock.h>
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#include <gtk/gtkstock.h>
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#include <gtk/gtkstyle.h>
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#include <gtk/gtkstyle.h>
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#include <gtk/gtkswitch.h>
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#include <gtk/gtktable.h>
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#include <gtk/gtktable.h>
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#include <gtk/gtktearoffmenuitem.h>
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#include <gtk/gtktearoffmenuitem.h>
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#include <gtk/gtktextbuffer.h>
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#include <gtk/gtktextbuffer.h>
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@ -2236,6 +2236,10 @@ gtk_stock_item_free
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gtk_stock_list_ids
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gtk_stock_list_ids
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gtk_stock_lookup
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gtk_stock_lookup
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gtk_stock_set_translate_func
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gtk_stock_set_translate_func
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gtk_switch_get_active
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gtk_switch_get_type G_GNUC_CONST
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gtk_switch_new
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gtk_switch_set_active
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gtk_style_apply_default_background
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gtk_style_apply_default_background
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gtk_style_attach
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gtk_style_attach
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gtk_style_copy
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gtk_style_copy
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864
gtk/gtkswitch.c
Normal file
864
gtk/gtkswitch.c
Normal file
@ -0,0 +1,864 @@
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/* GTK - The GIMP Toolkit
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*
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* Copyright (C) 2010 Intel Corporation
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* Copyright (C) 2010 RedHat, Inc.
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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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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* Matthias Clasen <mclasen@redhat.com>
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*
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* Based on similar code from:
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* Thomas Wood <thos@linux.intel.com>
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*/
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/**
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* SECTION:gtkswitch
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* @Short_Description: A "light switch" style toggle
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* @Title: GtkSwitch
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* @See_Also: #GtkToggleButton
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*
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* #GtkSwitch is a widget that has two states: on or off. The user can control
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* which state should be active by clicking the empty area, or by dragging the
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* handle.
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*/
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#include "config.h"
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#include "gtkswitch.h"
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#include <gdk/gdkkeysyms.h>
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#include "gtkintl.h"
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#include "gtkmarshalers.h"
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#include "gtkstyle.h"
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#include "gtkprivate.h"
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#include "gtkwidget.h"
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#include "gtkactivatable.h"
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#include "gtktoggleaction.h"
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#define DEFAULT_SLIDER_WIDTH (36)
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#define DEFAULT_SLIDER_HEIGHT (22)
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struct _GtkSwitchPrivate
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{
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GdkWindow *event_window;
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GtkAction *action;
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gint handle_x;
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gint offset;
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gint drag_start;
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gint drag_threshold;
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guint is_active : 1;
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guint is_dragging : 1;
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guint in_press : 1;
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guint in_switch : 1;
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guint use_action_appearance : 1;
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};
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enum
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{
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PROP_0,
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PROP_ACTIVE,
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PROP_RELATED_ACTION,
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PROP_USE_ACTION_APPEARANCE,
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LAST_PROP
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};
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static GParamSpec *switch_props[LAST_PROP] = { NULL, };
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static void gtk_switch_activatable_interface_init (GtkActivatableIface *iface);
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G_DEFINE_TYPE_WITH_CODE (GtkSwitch, gtk_switch, GTK_TYPE_WIDGET,
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G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE,
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gtk_switch_activatable_interface_init));
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static gboolean
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gtk_switch_button_press (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
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GtkAllocation allocation;
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gtk_widget_get_allocation (widget, &allocation);
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if (priv->is_active)
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{
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/* if the event occurred in the "off" area, then this
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* is a direct toggle
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*/
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if (event->x <= allocation.width / 2)
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{
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priv->in_press = TRUE;
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return FALSE;
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}
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priv->offset = event->x - allocation.width / 2;
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}
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else
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{
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/* if the event occurred in the "on" area, then this
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* is a direct toggle
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*/
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if (event->x >= allocation.width / 2)
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{
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priv->in_press = TRUE;
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return FALSE;
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}
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priv->offset = event->x;
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}
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priv->drag_start = event->x;
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g_object_get (gtk_widget_get_settings (widget),
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"gtk-dnd-drag-threshold", &priv->drag_threshold,
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NULL);
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return FALSE;
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}
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static gboolean
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gtk_switch_motion (GtkWidget *widget,
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GdkEventMotion *event)
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{
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GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
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/* if this is a direct toggle we don't handle motion */
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if (priv->in_press)
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return FALSE;
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if (ABS (event->x - priv->drag_start) < priv->drag_threshold)
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return TRUE;
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if (event->state & GDK_BUTTON1_MASK)
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{
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gint position = event->x - priv->offset;
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GtkAllocation allocation;
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GtkStyle *style;
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style = gtk_widget_get_style (widget);
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gtk_widget_get_allocation (widget, &allocation);
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/* constrain the handle within the trough width */
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if (position > (allocation.width / 2 - style->xthickness))
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priv->handle_x = allocation.width / 2 - style->xthickness;
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else if (position < style->xthickness)
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priv->handle_x = style->xthickness;
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else
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priv->handle_x = position;
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priv->is_dragging = TRUE;
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/* we need to redraw the handle */
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gtk_widget_queue_draw (widget);
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return TRUE;
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}
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return FALSE;
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}
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static gboolean
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gtk_switch_button_release (GtkWidget *widget,
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GdkEventButton *event)
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{
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GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
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GtkAllocation allocation;
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gtk_widget_get_allocation (widget, &allocation);
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/* dragged toggles have a "soft" grab, so we don't care whether we
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* are in the switch or not when the button is released; we do care
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* for direct toggles, instead
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*/
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if (!priv->is_dragging && !priv->in_switch)
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return FALSE;
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/* direct toggle */
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if (priv->in_press)
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{
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priv->in_press = FALSE;
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gtk_switch_set_active (GTK_SWITCH (widget), !priv->is_active);
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return TRUE;
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}
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/* dragged toggle */
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if (priv->is_dragging)
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{
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priv->is_dragging = FALSE;
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/* if half the handle passed the middle of the switch, then we
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* consider it to be on
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*/
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if ((priv->handle_x + (allocation.width / 4)) >= (allocation.width / 2))
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{
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gtk_switch_set_active (GTK_SWITCH (widget), TRUE);
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priv->handle_x = allocation.width / 2;
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}
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else
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{
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gtk_switch_set_active (GTK_SWITCH (widget), FALSE);
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priv->handle_x = 0;
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}
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gtk_widget_queue_draw (widget);
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return TRUE;
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}
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return FALSE;
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}
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static gboolean
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gtk_switch_enter (GtkWidget *widget,
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GdkEventCrossing *event)
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{
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GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
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if (event->window == priv->event_window)
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priv->in_switch = TRUE;
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return FALSE;
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}
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static gboolean
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gtk_switch_leave (GtkWidget *widget,
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GdkEventCrossing *event)
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{
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GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
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if (event->window == priv->event_window)
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priv->in_switch = FALSE;
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return FALSE;
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}
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static gboolean
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gtk_switch_key_release (GtkWidget *widget,
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GdkEventKey *event)
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{
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GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
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if (event->keyval == GDK_KEY_Return ||
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event->keyval == GDK_KEY_KP_Enter ||
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event->keyval == GDK_KEY_ISO_Enter ||
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event->keyval == GDK_KEY_space ||
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event->keyval == GDK_KEY_KP_Space)
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{
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gtk_switch_set_active (GTK_SWITCH (widget), !priv->is_active);
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}
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return FALSE;
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}
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static void
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gtk_switch_get_preferred_width (GtkWidget *widget,
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gint *minimum,
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gint *natural)
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{
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GtkStyle *style = gtk_widget_get_style (widget);
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gint width, slider_width, focus_width, focus_pad;
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PangoLayout *layout;
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PangoRectangle logical_rect;
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width = style->xthickness * 2;
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gtk_widget_style_get (widget,
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"slider-width", &slider_width,
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"focus-line-width", &focus_width,
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"focus-padding", &focus_pad,
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NULL);
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width += 2 * (focus_width + focus_pad);
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/* Translators: if the "on" state label requires more than three
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* glyphs then use MEDIUM VERTICAL BAR (U+2759) as the text for
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* the state
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*/
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layout = gtk_widget_create_pango_layout (widget, C_("switch", "ON"));
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pango_layout_get_extents (layout, NULL, &logical_rect);
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pango_extents_to_pixels (&logical_rect, NULL);
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width += MAX (logical_rect.width, slider_width);
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/* Translators: if the "off" state label requires more than three
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* glyphs then use WHITE CIRCLE (U+25CB) as the text for the state
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*/
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pango_layout_set_text (layout, C_("switch", "OFF"), -1);
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pango_layout_get_extents (layout, NULL, &logical_rect);
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pango_extents_to_pixels (&logical_rect, NULL);
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width += MAX (logical_rect.width, slider_width);
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g_object_unref (layout);
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if (minimum)
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*minimum = width;
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if (natural)
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*natural = width;
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}
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static void
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gtk_switch_get_preferred_height (GtkWidget *widget,
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gint *minimum,
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gint *natural)
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{
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GtkStyle *style = gtk_widget_get_style (widget);
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gint height, focus_width, focus_pad;
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PangoLayout *layout;
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PangoRectangle logical_rect;
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gchar *str;
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height = style->ythickness * 2;
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gtk_widget_style_get (widget,
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"focus-line-width", &focus_width,
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"focus-padding", &focus_pad,
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NULL);
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height += 2 * (focus_width + focus_pad);
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str = g_strdup_printf ("%s%s",
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C_("switch", "ON"),
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C_("switch", "OFF"));
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layout = gtk_widget_create_pango_layout (widget, str);
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pango_layout_get_extents (layout, NULL, &logical_rect);
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pango_extents_to_pixels (&logical_rect, NULL);
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height += MAX (DEFAULT_SLIDER_HEIGHT, logical_rect.height);
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g_object_unref (layout);
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g_free (str);
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if (minimum)
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*minimum = height;
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if (natural)
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*natural = height;
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}
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static void
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gtk_switch_size_allocate (GtkWidget *widget,
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||||||
|
GtkAllocation *allocation)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
|
||||||
|
|
||||||
|
gtk_widget_set_allocation (widget, allocation);
|
||||||
|
|
||||||
|
if (gtk_widget_get_realized (widget))
|
||||||
|
gdk_window_move_resize (priv->event_window,
|
||||||
|
allocation->x,
|
||||||
|
allocation->y,
|
||||||
|
allocation->width,
|
||||||
|
allocation->height);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_realize (GtkWidget *widget)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
|
||||||
|
GdkWindow *parent_window;
|
||||||
|
GdkWindowAttr attributes;
|
||||||
|
gint attributes_mask;
|
||||||
|
GtkAllocation allocation;
|
||||||
|
|
||||||
|
gtk_widget_set_realized (widget, TRUE);
|
||||||
|
parent_window = gtk_widget_get_parent_window (widget);
|
||||||
|
gtk_widget_set_window (widget, parent_window);
|
||||||
|
g_object_ref (parent_window);
|
||||||
|
|
||||||
|
gtk_widget_get_allocation (widget, &allocation);
|
||||||
|
|
||||||
|
attributes.window_type = GDK_WINDOW_CHILD;
|
||||||
|
attributes.wclass = GDK_INPUT_ONLY;
|
||||||
|
attributes.x = allocation.x;
|
||||||
|
attributes.y = allocation.y;
|
||||||
|
attributes.width = allocation.width;
|
||||||
|
attributes.height = allocation.height;
|
||||||
|
attributes.event_mask = gtk_widget_get_events (widget);
|
||||||
|
attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
|
||||||
|
GDK_BUTTON_RELEASE_MASK |
|
||||||
|
GDK_BUTTON1_MOTION_MASK |
|
||||||
|
GDK_POINTER_MOTION_HINT_MASK |
|
||||||
|
GDK_POINTER_MOTION_MASK |
|
||||||
|
GDK_ENTER_NOTIFY_MASK |
|
||||||
|
GDK_LEAVE_NOTIFY_MASK);
|
||||||
|
attributes_mask = GDK_WA_X | GDK_WA_Y;
|
||||||
|
|
||||||
|
priv->event_window = gdk_window_new (parent_window,
|
||||||
|
&attributes,
|
||||||
|
attributes_mask);
|
||||||
|
gdk_window_set_user_data (priv->event_window, widget);
|
||||||
|
|
||||||
|
gtk_widget_style_attach (widget);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_unrealize (GtkWidget *widget)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
|
||||||
|
|
||||||
|
if (priv->event_window != NULL)
|
||||||
|
{
|
||||||
|
gdk_window_set_user_data (priv->event_window, NULL);
|
||||||
|
gdk_window_destroy (priv->event_window);
|
||||||
|
priv->event_window = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
GTK_WIDGET_CLASS (gtk_switch_parent_class)->unrealize (widget);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_map (GtkWidget *widget)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
|
||||||
|
|
||||||
|
GTK_WIDGET_CLASS (gtk_switch_parent_class)->map (widget);
|
||||||
|
|
||||||
|
if (priv->event_window)
|
||||||
|
gdk_window_show (priv->event_window);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_unmap (GtkWidget *widget)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
|
||||||
|
|
||||||
|
if (priv->event_window)
|
||||||
|
gdk_window_hide (priv->event_window);
|
||||||
|
|
||||||
|
GTK_WIDGET_CLASS (gtk_switch_parent_class)->unmap (widget);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline void
|
||||||
|
gtk_switch_paint_handle (GtkWidget *widget,
|
||||||
|
cairo_t *cr,
|
||||||
|
GdkRectangle *box)
|
||||||
|
{
|
||||||
|
GtkStyle *style = gtk_widget_get_style (widget);
|
||||||
|
|
||||||
|
gtk_paint_slider (style, cr,
|
||||||
|
gtk_widget_get_state (widget),
|
||||||
|
GTK_SHADOW_OUT,
|
||||||
|
GTK_WIDGET (widget), "switch-slider",
|
||||||
|
box->x,
|
||||||
|
box->y,
|
||||||
|
box->width,
|
||||||
|
box->height,
|
||||||
|
GTK_ORIENTATION_HORIZONTAL);
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gtk_switch_draw (GtkWidget *widget,
|
||||||
|
cairo_t *cr)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = GTK_SWITCH (widget)->priv;
|
||||||
|
GtkStyle *style;
|
||||||
|
GdkRectangle handle;
|
||||||
|
PangoLayout *layout;
|
||||||
|
PangoRectangle rect;
|
||||||
|
gint label_x, label_y;
|
||||||
|
GtkStateType state;
|
||||||
|
gint focus_width, focus_pad;
|
||||||
|
gint x, y, width, height;
|
||||||
|
|
||||||
|
gtk_widget_style_get (widget,
|
||||||
|
"focus-line-width", &focus_width,
|
||||||
|
"focus-padding", &focus_pad,
|
||||||
|
NULL);
|
||||||
|
|
||||||
|
style = gtk_widget_get_style (widget);
|
||||||
|
|
||||||
|
x = 0;
|
||||||
|
y = 0;
|
||||||
|
width = gtk_widget_get_allocated_width (widget);
|
||||||
|
height = gtk_widget_get_allocated_height (widget);
|
||||||
|
|
||||||
|
if (gtk_widget_has_focus (widget))
|
||||||
|
gtk_paint_focus (style, cr,
|
||||||
|
gtk_widget_get_state (widget),
|
||||||
|
widget, "button",
|
||||||
|
x, y, width, height);
|
||||||
|
|
||||||
|
x += focus_width + focus_pad;
|
||||||
|
y += focus_width + focus_pad;
|
||||||
|
width -= 2 * (focus_width + focus_pad);
|
||||||
|
height -= 2 * (focus_width + focus_pad);
|
||||||
|
|
||||||
|
state = priv->is_active ? GTK_STATE_SELECTED : gtk_widget_get_state (widget);
|
||||||
|
|
||||||
|
/* background - XXX should this be a flat box instead? we're missing
|
||||||
|
* the border given by the shadow with that, which would require
|
||||||
|
* fixing all theme engines to add a subtle border for this widget
|
||||||
|
*/
|
||||||
|
gtk_paint_box (style, cr,
|
||||||
|
state,
|
||||||
|
GTK_SHADOW_IN,
|
||||||
|
widget, "switch-background",
|
||||||
|
x, y, width, height);
|
||||||
|
|
||||||
|
if (!gtk_widget_is_sensitive (widget))
|
||||||
|
state = GTK_STATE_INSENSITIVE;
|
||||||
|
|
||||||
|
/* XXX the +1/-1 it's pixel wriggling after checking with the default
|
||||||
|
* theme and xmag
|
||||||
|
*/
|
||||||
|
handle.y = y + style->ythickness + 1;
|
||||||
|
handle.width = (width - style->xthickness * 2) / 2;
|
||||||
|
handle.height = (height - style->ythickness * 2) - 1;
|
||||||
|
|
||||||
|
/* Translators: if the "on" state label requires more than three
|
||||||
|
* glyphs then use MEDIUM VERTICAL BAR (U+2759) as the text for
|
||||||
|
* the state
|
||||||
|
*/
|
||||||
|
layout = gtk_widget_create_pango_layout (widget, C_("switch", "ON"));
|
||||||
|
pango_layout_get_extents (layout, NULL, &rect);
|
||||||
|
pango_extents_to_pixels (&rect, NULL);
|
||||||
|
|
||||||
|
label_x = x + style->xthickness
|
||||||
|
+ ((width / 2) - rect.width - (style->xthickness * 2)) / 2;
|
||||||
|
label_y = y + style->ythickness
|
||||||
|
+ (height - rect.height - (style->ythickness * 2)) / 2;
|
||||||
|
|
||||||
|
gtk_paint_layout (style, cr,
|
||||||
|
state,
|
||||||
|
FALSE,
|
||||||
|
widget, "switch-on-label",
|
||||||
|
label_x, label_y,
|
||||||
|
layout);
|
||||||
|
|
||||||
|
g_object_unref (layout);
|
||||||
|
|
||||||
|
/* Translators: if the "off" state label requires more than three
|
||||||
|
* glyphs then use WHITE CIRCLE (U+25CB) as the text for the state
|
||||||
|
*/
|
||||||
|
layout = gtk_widget_create_pango_layout (widget, C_("switch", "OFF"));
|
||||||
|
pango_layout_get_extents (layout, NULL, &rect);
|
||||||
|
pango_extents_to_pixels (&rect, NULL);
|
||||||
|
|
||||||
|
label_x = x + style->xthickness
|
||||||
|
+ (width / 2)
|
||||||
|
+ ((width / 2) - rect.width - (style->xthickness * 2)) / 2;
|
||||||
|
label_y = y + style->ythickness
|
||||||
|
+ (height - rect.height - (style->ythickness * 2)) / 2;
|
||||||
|
|
||||||
|
gtk_paint_layout (style, cr,
|
||||||
|
state,
|
||||||
|
FALSE,
|
||||||
|
widget, "switch-off-label",
|
||||||
|
label_x, label_y,
|
||||||
|
layout);
|
||||||
|
|
||||||
|
g_object_unref (layout);
|
||||||
|
|
||||||
|
if (priv->is_dragging)
|
||||||
|
handle.x = x + priv->handle_x;
|
||||||
|
else if (priv->is_active)
|
||||||
|
handle.x = x + width - handle.width - style->xthickness;
|
||||||
|
else
|
||||||
|
handle.x = x + style->xthickness;
|
||||||
|
|
||||||
|
gtk_switch_paint_handle (widget, cr, &handle);
|
||||||
|
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_set_related_action (GtkSwitch *sw,
|
||||||
|
GtkAction *action)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = sw->priv;
|
||||||
|
|
||||||
|
if (priv->action == action)
|
||||||
|
return;
|
||||||
|
|
||||||
|
gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (sw), action);
|
||||||
|
|
||||||
|
priv->action = action;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_set_use_action_appearance (GtkSwitch *sw,
|
||||||
|
gboolean use_appearance)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = sw->priv;
|
||||||
|
|
||||||
|
if (priv->use_action_appearance != use_appearance)
|
||||||
|
{
|
||||||
|
priv->use_action_appearance = use_appearance;
|
||||||
|
|
||||||
|
gtk_activatable_sync_action_properties (GTK_ACTIVATABLE (sw), priv->action);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_set_property (GObject *gobject,
|
||||||
|
guint prop_id,
|
||||||
|
const GValue *value,
|
||||||
|
GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
GtkSwitch *sw = GTK_SWITCH (gobject);
|
||||||
|
|
||||||
|
switch (prop_id)
|
||||||
|
{
|
||||||
|
case PROP_ACTIVE:
|
||||||
|
gtk_switch_set_active (sw, g_value_get_boolean (value));
|
||||||
|
break;
|
||||||
|
|
||||||
|
case PROP_RELATED_ACTION:
|
||||||
|
gtk_switch_set_related_action (sw, g_value_get_object (value));
|
||||||
|
break;
|
||||||
|
|
||||||
|
case PROP_USE_ACTION_APPEARANCE:
|
||||||
|
gtk_switch_set_use_action_appearance (sw, g_value_get_boolean (value));
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_get_property (GObject *gobject,
|
||||||
|
guint prop_id,
|
||||||
|
GValue *value,
|
||||||
|
GParamSpec *pspec)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = GTK_SWITCH (gobject)->priv;
|
||||||
|
|
||||||
|
switch (prop_id)
|
||||||
|
{
|
||||||
|
case PROP_ACTIVE:
|
||||||
|
g_value_set_boolean (value, priv->is_active);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case PROP_RELATED_ACTION:
|
||||||
|
g_value_set_object (value, priv->action);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case PROP_USE_ACTION_APPEARANCE:
|
||||||
|
g_value_set_boolean (value, priv->use_action_appearance);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_dispose (GObject *object)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv = GTK_SWITCH (object)->priv;
|
||||||
|
|
||||||
|
if (priv->action)
|
||||||
|
{
|
||||||
|
gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (object), NULL);
|
||||||
|
priv->action = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
G_OBJECT_CLASS (gtk_switch_parent_class)->dispose (object);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_class_init (GtkSwitchClass *klass)
|
||||||
|
{
|
||||||
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||||||
|
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||||
|
gpointer activatable_iface;
|
||||||
|
|
||||||
|
g_type_class_add_private (klass, sizeof (GtkSwitchPrivate));
|
||||||
|
|
||||||
|
activatable_iface = g_type_default_interface_peek (GTK_TYPE_ACTIVATABLE);
|
||||||
|
switch_props[PROP_RELATED_ACTION] =
|
||||||
|
g_param_spec_override ("related-action",
|
||||||
|
g_object_interface_find_property (activatable_iface,
|
||||||
|
"related-action"));
|
||||||
|
|
||||||
|
switch_props[PROP_USE_ACTION_APPEARANCE] =
|
||||||
|
g_param_spec_override ("use-action-appearance",
|
||||||
|
g_object_interface_find_property (activatable_iface,
|
||||||
|
"use-action-appearance"));
|
||||||
|
|
||||||
|
/**
|
||||||
|
* GtkSwitch:active:
|
||||||
|
*
|
||||||
|
* Whether the #GtkSwitch widget is in its on or off state.
|
||||||
|
*/
|
||||||
|
switch_props[PROP_ACTIVE] =
|
||||||
|
g_param_spec_boolean ("active",
|
||||||
|
P_("Active"),
|
||||||
|
P_("Whether the switch is on or off"),
|
||||||
|
FALSE,
|
||||||
|
GTK_PARAM_READWRITE);
|
||||||
|
|
||||||
|
gobject_class->set_property = gtk_switch_set_property;
|
||||||
|
gobject_class->get_property = gtk_switch_get_property;
|
||||||
|
gobject_class->dispose = gtk_switch_dispose;
|
||||||
|
|
||||||
|
g_object_class_install_properties (gobject_class, LAST_PROP, switch_props);
|
||||||
|
|
||||||
|
widget_class->get_preferred_width = gtk_switch_get_preferred_width;
|
||||||
|
widget_class->get_preferred_height = gtk_switch_get_preferred_height;
|
||||||
|
widget_class->size_allocate = gtk_switch_size_allocate;
|
||||||
|
widget_class->realize = gtk_switch_realize;
|
||||||
|
widget_class->unrealize = gtk_switch_unrealize;
|
||||||
|
widget_class->map = gtk_switch_map;
|
||||||
|
widget_class->unmap = gtk_switch_unmap;
|
||||||
|
widget_class->draw = gtk_switch_draw;
|
||||||
|
widget_class->button_press_event = gtk_switch_button_press;
|
||||||
|
widget_class->button_release_event = gtk_switch_button_release;
|
||||||
|
widget_class->motion_notify_event = gtk_switch_motion;
|
||||||
|
widget_class->enter_notify_event = gtk_switch_enter;
|
||||||
|
widget_class->leave_notify_event = gtk_switch_leave;
|
||||||
|
widget_class->key_release_event = gtk_switch_key_release;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* GtkSwitch:slider-width:
|
||||||
|
*
|
||||||
|
* The minimum width of the #GtkSwitch handle, in pixels.
|
||||||
|
*/
|
||||||
|
gtk_widget_class_install_style_property (widget_class,
|
||||||
|
g_param_spec_int ("slider-width",
|
||||||
|
P_("Slider Width"),
|
||||||
|
P_("The minimum width of the handle"),
|
||||||
|
DEFAULT_SLIDER_WIDTH, G_MAXINT,
|
||||||
|
DEFAULT_SLIDER_WIDTH,
|
||||||
|
GTK_PARAM_READABLE));
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_init (GtkSwitch *self)
|
||||||
|
{
|
||||||
|
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, GTK_TYPE_SWITCH, GtkSwitchPrivate);
|
||||||
|
self->priv->use_action_appearance = TRUE;
|
||||||
|
gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
|
||||||
|
gtk_widget_set_can_focus (GTK_WIDGET (self), TRUE);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gtk_switch_new:
|
||||||
|
*
|
||||||
|
* Creates a new #GtkSwitch widget.
|
||||||
|
*
|
||||||
|
* Return value: the newly created #GtkSwitch instance
|
||||||
|
*/
|
||||||
|
GtkWidget *
|
||||||
|
gtk_switch_new (void)
|
||||||
|
{
|
||||||
|
return g_object_new (GTK_TYPE_SWITCH, NULL);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gtk_switch_set_active:
|
||||||
|
* @sw: a #GtkSwitch
|
||||||
|
* @is_active: %TRUE if @sw should be active, and %FALSE otherwise
|
||||||
|
*
|
||||||
|
* Changes the state of @sw to the desired one.
|
||||||
|
*/
|
||||||
|
void
|
||||||
|
gtk_switch_set_active (GtkSwitch *sw,
|
||||||
|
gboolean is_active)
|
||||||
|
{
|
||||||
|
GtkSwitchPrivate *priv;
|
||||||
|
|
||||||
|
g_return_if_fail (GTK_IS_SWITCH (sw));
|
||||||
|
|
||||||
|
is_active = !!is_active;
|
||||||
|
|
||||||
|
priv = sw->priv;
|
||||||
|
|
||||||
|
if (priv->is_active != is_active)
|
||||||
|
{
|
||||||
|
priv->is_active = is_active;
|
||||||
|
|
||||||
|
g_object_notify_by_pspec (G_OBJECT (sw), switch_props[PROP_ACTIVE]);
|
||||||
|
|
||||||
|
if (priv->action)
|
||||||
|
gtk_action_activate (priv->action);
|
||||||
|
|
||||||
|
gtk_widget_queue_draw (GTK_WIDGET (sw));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* gtk_switch_get_active:
|
||||||
|
* @sw: a #GtkSwitch
|
||||||
|
*
|
||||||
|
* Gets whether the #GtkSwitch is in its "on" or "off" state.
|
||||||
|
*
|
||||||
|
* Return value: %TRUE if the #GtkSwitch is active, and %FALSE otherwise
|
||||||
|
*/
|
||||||
|
gboolean
|
||||||
|
gtk_switch_get_active (GtkSwitch *sw)
|
||||||
|
{
|
||||||
|
g_return_val_if_fail (GTK_IS_SWITCH (sw), FALSE);
|
||||||
|
|
||||||
|
return sw->priv->is_active;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_update (GtkActivatable *activatable,
|
||||||
|
GtkAction *action,
|
||||||
|
const gchar *property_name)
|
||||||
|
{
|
||||||
|
if (strcmp (property_name, "visible") == 0)
|
||||||
|
{
|
||||||
|
if (gtk_action_is_visible (action))
|
||||||
|
gtk_widget_show (GTK_WIDGET (activatable));
|
||||||
|
else
|
||||||
|
gtk_widget_hide (GTK_WIDGET (activatable));
|
||||||
|
}
|
||||||
|
else if (strcmp (property_name, "sensitive") == 0)
|
||||||
|
{
|
||||||
|
gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));
|
||||||
|
}
|
||||||
|
else if (strcmp (property_name, "active") == 0)
|
||||||
|
{
|
||||||
|
gtk_action_block_activate (action);
|
||||||
|
gtk_switch_set_active (GTK_SWITCH (activatable), gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
|
||||||
|
gtk_action_unblock_activate (action);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_sync_action_properties (GtkActivatable *activatable,
|
||||||
|
GtkAction *action)
|
||||||
|
{
|
||||||
|
if (!action)
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (gtk_action_is_visible (action))
|
||||||
|
gtk_widget_show (GTK_WIDGET (activatable));
|
||||||
|
else
|
||||||
|
gtk_widget_hide (GTK_WIDGET (activatable));
|
||||||
|
|
||||||
|
gtk_widget_set_sensitive (GTK_WIDGET (activatable), gtk_action_is_sensitive (action));
|
||||||
|
|
||||||
|
gtk_action_block_activate (action);
|
||||||
|
gtk_switch_set_active (GTK_SWITCH (activatable), gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
|
||||||
|
gtk_action_unblock_activate (action);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gtk_switch_activatable_interface_init (GtkActivatableIface *iface)
|
||||||
|
{
|
||||||
|
iface->update = gtk_switch_update;
|
||||||
|
iface->sync_action_properties = gtk_switch_sync_action_properties;
|
||||||
|
}
|
||||||
|
|
||||||
95
gtk/gtkswitch.h
Normal file
95
gtk/gtkswitch.h
Normal file
@ -0,0 +1,95 @@
|
|||||||
|
/* GTK - The GIMP Toolkit
|
||||||
|
*
|
||||||
|
* Copyright (C) 2010 Intel Corporation
|
||||||
|
* Copyright (C) 2010 RedHat, 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, write to the
|
||||||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
* Boston, MA 02111-1307, USA.
|
||||||
|
*
|
||||||
|
* Author:
|
||||||
|
* Emmanuele Bassi <ebassi@linux.intel.com>
|
||||||
|
* Matthias Clasen <mclasen@redhat.com>
|
||||||
|
*
|
||||||
|
* Based on similar code from:
|
||||||
|
* Thomas Wood <thos@linux.intel.com>
|
||||||
|
*/
|
||||||
|
|
||||||
|
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
|
||||||
|
#error "Only <gtk/gtk.h> can be included directly."
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifndef __GTK_SWITCH_H__
|
||||||
|
#define __GTK_SWITCH_H__
|
||||||
|
|
||||||
|
#include <gtk/gtkwidget.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GTK_TYPE_SWITCH (gtk_switch_get_type ())
|
||||||
|
#define GTK_SWITCH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SWITCH, GtkSwitch))
|
||||||
|
#define GTK_IS_SWITCH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SWITCH))
|
||||||
|
#define GTK_SWITCH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SWITCH, GtkSwitchClass))
|
||||||
|
#define GTK_IS_SWITCH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SWITCH))
|
||||||
|
#define GTK_SWITCH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SWITCH, GtkSwitchClass))
|
||||||
|
|
||||||
|
typedef struct _GtkSwitch GtkSwitch;
|
||||||
|
typedef struct _GtkSwitchPrivate GtkSwitchPrivate;
|
||||||
|
typedef struct _GtkSwitchClass GtkSwitchClass;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* GtkSwitch:
|
||||||
|
*
|
||||||
|
* The <structname>GtkSwitch</structname> structure contains private
|
||||||
|
* data and it should only be accessed using the provided API.
|
||||||
|
*/
|
||||||
|
struct _GtkSwitch
|
||||||
|
{
|
||||||
|
/*< private >*/
|
||||||
|
GtkWidget parent_instance;
|
||||||
|
|
||||||
|
GtkSwitchPrivate *priv;
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* GtkSwitchClass:
|
||||||
|
*
|
||||||
|
* The <structname>GtkSwitchClass</structname> structure contains only
|
||||||
|
* private data.
|
||||||
|
*/
|
||||||
|
struct _GtkSwitchClass
|
||||||
|
{
|
||||||
|
/*< private >*/
|
||||||
|
GtkWidgetClass parent_class;
|
||||||
|
|
||||||
|
void (* _switch_padding_1) (void);
|
||||||
|
void (* _switch_padding_2) (void);
|
||||||
|
void (* _switch_padding_3) (void);
|
||||||
|
void (* _switch_padding_4) (void);
|
||||||
|
void (* _switch_padding_5) (void);
|
||||||
|
void (* _switch_padding_6) (void);
|
||||||
|
void (* _switch_padding_7) (void);
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gtk_switch_get_type (void) G_GNUC_CONST;
|
||||||
|
|
||||||
|
GtkWidget * gtk_switch_new (void);
|
||||||
|
|
||||||
|
void gtk_switch_set_active (GtkSwitch *sw,
|
||||||
|
gboolean is_active);
|
||||||
|
gboolean gtk_switch_get_active (GtkSwitch *sw);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GTK_SWITCH_H__ */
|
||||||
@ -95,7 +95,8 @@ noinst_PROGRAMS = $(TEST_PROGS) \
|
|||||||
testexpand \
|
testexpand \
|
||||||
testexpander \
|
testexpander \
|
||||||
testvolumebutton \
|
testvolumebutton \
|
||||||
testscrolledwindow
|
testscrolledwindow \
|
||||||
|
testswitch
|
||||||
|
|
||||||
if USE_X11
|
if USE_X11
|
||||||
noinst_PROGRAMS += testerrors
|
noinst_PROGRAMS += testerrors
|
||||||
@ -184,6 +185,7 @@ testscrolledwindow_DEPENDENCIES = $(TEST_DEPS)
|
|||||||
testwindows_DEPENDENCIES = $(TEST_DEPS)
|
testwindows_DEPENDENCIES = $(TEST_DEPS)
|
||||||
testexpand_DEPENDENCIES = $(TEST_DEPS)
|
testexpand_DEPENDENCIES = $(TEST_DEPS)
|
||||||
testexpander_DEPENDENCIES = $(TEST_DEPS)
|
testexpander_DEPENDENCIES = $(TEST_DEPS)
|
||||||
|
testswitch_DEPENDENCIES = $(TEST_DEPS)
|
||||||
|
|
||||||
flicker_LDADD = $(LDADDS)
|
flicker_LDADD = $(LDADDS)
|
||||||
simple_LDADD = $(LDADDS)
|
simple_LDADD = $(LDADDS)
|
||||||
@ -258,6 +260,7 @@ testscrolledwindow_LDADD = $(LDADDS)
|
|||||||
testwindows_LDADD = $(LDADDS)
|
testwindows_LDADD = $(LDADDS)
|
||||||
testexpand_LDADD = $(LDADDS)
|
testexpand_LDADD = $(LDADDS)
|
||||||
testexpander_LDADD = $(LDADDS)
|
testexpander_LDADD = $(LDADDS)
|
||||||
|
testswitch_LDADD = $(LDADDS)
|
||||||
|
|
||||||
testentrycompletion_SOURCES = \
|
testentrycompletion_SOURCES = \
|
||||||
prop-editor.c \
|
prop-editor.c \
|
||||||
@ -382,6 +385,8 @@ testexpand_SOURCES = testexpand.c
|
|||||||
|
|
||||||
testexpander_SOURCES = testexpander.c
|
testexpander_SOURCES = testexpander.c
|
||||||
|
|
||||||
|
testswitch_SOURCES = testswitch.c
|
||||||
|
|
||||||
EXTRA_DIST += \
|
EXTRA_DIST += \
|
||||||
prop-editor.h \
|
prop-editor.h \
|
||||||
testgtk.1 \
|
testgtk.1 \
|
||||||
|
|||||||
86
tests/testswitch.c
Normal file
86
tests/testswitch.c
Normal file
@ -0,0 +1,86 @@
|
|||||||
|
#include <stdlib.h>
|
||||||
|
#include <gtk/gtk.h>
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
boolean_to_text (GBinding *binding,
|
||||||
|
const GValue *source,
|
||||||
|
GValue *target,
|
||||||
|
gpointer dummy G_GNUC_UNUSED)
|
||||||
|
{
|
||||||
|
if (g_value_get_boolean (source))
|
||||||
|
g_value_set_string (target, "Enabled");
|
||||||
|
else
|
||||||
|
g_value_set_string (target, "Disabled");
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GtkWidget *
|
||||||
|
make_switch (gboolean is_on,
|
||||||
|
gboolean is_sensitive)
|
||||||
|
{
|
||||||
|
GtkWidget *hbox;
|
||||||
|
GtkWidget *sw, *label;
|
||||||
|
|
||||||
|
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
|
||||||
|
|
||||||
|
sw = gtk_switch_new ();
|
||||||
|
gtk_switch_set_active (GTK_SWITCH (sw), is_on);
|
||||||
|
gtk_box_pack_start (GTK_BOX (hbox), sw, FALSE, FALSE, 0);
|
||||||
|
gtk_widget_set_sensitive (sw, is_sensitive);
|
||||||
|
gtk_widget_show (sw);
|
||||||
|
|
||||||
|
label = gtk_label_new (is_on ? "Enabled" : "Disabled");
|
||||||
|
gtk_box_pack_end (GTK_BOX (hbox), label, TRUE, TRUE, 0);
|
||||||
|
gtk_widget_show (label);
|
||||||
|
|
||||||
|
g_object_bind_property_full (sw, "active",
|
||||||
|
label, "label",
|
||||||
|
G_BINDING_DEFAULT,
|
||||||
|
boolean_to_text,
|
||||||
|
NULL,
|
||||||
|
NULL, NULL);
|
||||||
|
|
||||||
|
return hbox;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
main (int argc,
|
||||||
|
char *argv[])
|
||||||
|
{
|
||||||
|
GtkWidget *window;
|
||||||
|
GtkWidget *vbox, *hbox;
|
||||||
|
|
||||||
|
gtk_init (&argc, &argv);
|
||||||
|
|
||||||
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
||||||
|
gtk_window_set_title (GTK_WINDOW (window), "GtkSwitch");
|
||||||
|
gtk_window_set_default_size (GTK_WINDOW (window), 400, -1);
|
||||||
|
gtk_container_set_border_width (GTK_CONTAINER (window), 6);
|
||||||
|
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
|
||||||
|
gtk_widget_show (window);
|
||||||
|
|
||||||
|
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
|
||||||
|
gtk_container_add (GTK_CONTAINER (window), vbox);
|
||||||
|
gtk_widget_show (vbox);
|
||||||
|
|
||||||
|
hbox = make_switch (FALSE, TRUE);
|
||||||
|
gtk_container_add (GTK_CONTAINER (vbox), hbox);
|
||||||
|
gtk_widget_show (hbox);
|
||||||
|
|
||||||
|
hbox = make_switch (TRUE, TRUE);
|
||||||
|
gtk_container_add (GTK_CONTAINER (vbox), hbox);
|
||||||
|
gtk_widget_show (hbox);
|
||||||
|
|
||||||
|
hbox = make_switch (FALSE, FALSE);
|
||||||
|
gtk_container_add (GTK_CONTAINER (vbox), hbox);
|
||||||
|
gtk_widget_show (hbox);
|
||||||
|
|
||||||
|
hbox = make_switch (TRUE, FALSE);
|
||||||
|
gtk_container_add (GTK_CONTAINER (vbox), hbox);
|
||||||
|
gtk_widget_show (hbox);
|
||||||
|
|
||||||
|
gtk_main ();
|
||||||
|
|
||||||
|
return EXIT_SUCCESS;
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user