forked from AuroraMiddleware/gtk
7260e0570c
This is a helper object to provide context-dependent content edition apt for touch devices.
405 lines
12 KiB
C
405 lines
12 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright © 2013 Carlos Garnacho <carlosg@gnome.org>
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
/**
|
|
* SECTION:gtkselectionwindow
|
|
* @Short_description: Bubble window for content edition
|
|
* @Title: GtkSelectionWindow
|
|
*
|
|
* GtkSelection widget is a small helper object to implement
|
|
* touch-friendly content edition. #GtkEntry and #GtkTextView
|
|
* use this internally to allow text selection edition and
|
|
* manipulation.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "gtkselectionwindow.h"
|
|
#include "gtkprivate.h"
|
|
#include "gtkintl.h"
|
|
|
|
#define TOOLBAR_UI \
|
|
"<ui>" \
|
|
" <toolbar>" \
|
|
" <toolitem name='cut' action='Cut' />" \
|
|
" <toolitem name='copy' action='Copy' />" \
|
|
" <toolitem name='paste' action='Paste' />" \
|
|
" <separator />" \
|
|
" </toolbar>" \
|
|
"</ui>"
|
|
|
|
static void _action_cut_cb (GtkAction *action,
|
|
GtkSelectionWindow *window);
|
|
static void _action_copy_cb (GtkAction *action,
|
|
GtkSelectionWindow *window);
|
|
static void _action_paste_cb (GtkAction *action,
|
|
GtkSelectionWindow *window);
|
|
|
|
static GtkActionEntry entries[] = {
|
|
{ "Cut", GTK_STOCK_CUT, NULL, NULL, NULL, G_CALLBACK (_action_cut_cb) },
|
|
{ "Copy", GTK_STOCK_COPY, NULL, NULL, NULL, G_CALLBACK (_action_copy_cb) },
|
|
{ "Paste", GTK_STOCK_PASTE, NULL, NULL, NULL, G_CALLBACK (_action_paste_cb) }
|
|
};
|
|
|
|
enum {
|
|
PROP_EDITABLE = 1,
|
|
PROP_HAS_SELECTION
|
|
};
|
|
|
|
enum {
|
|
CUT,
|
|
COPY,
|
|
PASTE,
|
|
N_SIGNALS
|
|
};
|
|
|
|
static guint signals[N_SIGNALS] = { 0 };
|
|
|
|
struct _GtkSelectionWindowPrivate
|
|
{
|
|
GtkUIManager *ui_manager;
|
|
GtkWidget *toolbar;
|
|
guint editable : 1;
|
|
guint has_selection : 1;
|
|
};
|
|
|
|
G_DEFINE_TYPE (GtkSelectionWindow, gtk_selection_window, GTK_TYPE_BUBBLE_WINDOW)
|
|
|
|
static void
|
|
_action_cut_cb (GtkAction *action,
|
|
GtkSelectionWindow *window)
|
|
{
|
|
g_signal_emit (window, signals[CUT], 0);
|
|
}
|
|
|
|
static void
|
|
_action_copy_cb (GtkAction *action,
|
|
GtkSelectionWindow *window)
|
|
{
|
|
g_signal_emit (window, signals[COPY], 0);
|
|
}
|
|
|
|
static void
|
|
_action_paste_cb (GtkAction *action,
|
|
GtkSelectionWindow *window)
|
|
{
|
|
g_signal_emit (window, signals[PASTE], 0);
|
|
}
|
|
|
|
static void
|
|
_gtk_selection_window_update_state (GtkSelectionWindow *window)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
GtkClipboard *clipboard;
|
|
gboolean text_available;
|
|
GtkAction *action;
|
|
|
|
priv = window->_priv;
|
|
clipboard = gtk_widget_get_clipboard (GTK_WIDGET (window),
|
|
GDK_SELECTION_CLIPBOARD);
|
|
text_available = gtk_clipboard_wait_is_text_available (clipboard);
|
|
|
|
action = gtk_ui_manager_get_action (priv->ui_manager, "/toolbar/cut");
|
|
gtk_action_set_sensitive (action, priv->editable && priv->has_selection);
|
|
|
|
action = gtk_ui_manager_get_action (priv->ui_manager, "/toolbar/copy");
|
|
gtk_action_set_sensitive (action, priv->has_selection);
|
|
|
|
action = gtk_ui_manager_get_action (priv->ui_manager, "/toolbar/paste");
|
|
gtk_action_set_sensitive (action, text_available && priv->editable);
|
|
}
|
|
|
|
static void
|
|
gtk_selection_window_map (GtkWidget *widget)
|
|
{
|
|
_gtk_selection_window_update_state (GTK_SELECTION_WINDOW (widget));
|
|
GTK_WIDGET_CLASS (gtk_selection_window_parent_class)->map (widget);
|
|
}
|
|
|
|
static void
|
|
gtk_selection_window_finalize (GObject *object)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
|
|
priv = GTK_SELECTION_WINDOW (object)->_priv;
|
|
g_object_unref (priv->ui_manager);
|
|
|
|
G_OBJECT_CLASS (gtk_selection_window_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gtk_selection_window_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
switch (prop_id)
|
|
{
|
|
case PROP_EDITABLE:
|
|
gtk_selection_window_set_editable (GTK_SELECTION_WINDOW (object),
|
|
g_value_get_boolean (value));
|
|
break;
|
|
case PROP_HAS_SELECTION:
|
|
gtk_selection_window_set_has_selection (GTK_SELECTION_WINDOW (object),
|
|
g_value_get_boolean (value));
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_selection_window_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
|
|
priv = GTK_SELECTION_WINDOW (object)->_priv;
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_EDITABLE:
|
|
g_value_set_boolean (value, priv->editable);
|
|
break;
|
|
case PROP_HAS_SELECTION:
|
|
g_value_set_boolean (value, priv->has_selection);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_selection_window_class_init (GtkSelectionWindowClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
|
|
|
object_class->finalize = gtk_selection_window_finalize;
|
|
object_class->set_property = gtk_selection_window_set_property;
|
|
object_class->get_property = gtk_selection_window_get_property;
|
|
|
|
widget_class->map = gtk_selection_window_map;
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_EDITABLE,
|
|
g_param_spec_boolean ("editable",
|
|
P_("Editable"),
|
|
P_("Whether content is editable"),
|
|
TRUE,
|
|
GTK_PARAM_READWRITE |
|
|
G_PARAM_CONSTRUCT));
|
|
g_object_class_install_property (object_class,
|
|
PROP_HAS_SELECTION,
|
|
g_param_spec_boolean ("has-selection",
|
|
P_("Has selection"),
|
|
P_("Whether there is any content currently selected"),
|
|
TRUE,
|
|
GTK_PARAM_READWRITE |
|
|
G_PARAM_CONSTRUCT));
|
|
signals[CUT] =
|
|
g_signal_new (I_("cut"),
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST, 0,
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
signals[COPY] =
|
|
g_signal_new (I_("copy"),
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST, 0,
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
signals[PASTE] =
|
|
g_signal_new (I_("paste"),
|
|
G_OBJECT_CLASS_TYPE (object_class),
|
|
G_SIGNAL_RUN_LAST, 0,
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__VOID,
|
|
G_TYPE_NONE, 0);
|
|
|
|
g_type_class_add_private (klass, sizeof (GtkSelectionWindowPrivate));
|
|
}
|
|
|
|
static void
|
|
gtk_selection_window_init (GtkSelectionWindow *window)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
GtkActionGroup *group;
|
|
|
|
window->_priv = priv = G_TYPE_INSTANCE_GET_PRIVATE (window,
|
|
GTK_TYPE_SELECTION_WINDOW,
|
|
GtkSelectionWindowPrivate);
|
|
|
|
group = gtk_action_group_new ("SelectionToolbar");
|
|
gtk_action_group_add_actions (group, entries, G_N_ELEMENTS (entries), window);
|
|
|
|
priv->ui_manager = gtk_ui_manager_new ();
|
|
gtk_ui_manager_insert_action_group (priv->ui_manager, group, 0);
|
|
gtk_ui_manager_add_ui_from_string (priv->ui_manager, TOOLBAR_UI, -1, NULL);
|
|
|
|
priv->toolbar = gtk_ui_manager_get_widget (priv->ui_manager, "/toolbar");
|
|
gtk_toolbar_set_show_arrow (GTK_TOOLBAR (priv->toolbar), FALSE);
|
|
gtk_widget_show_all (priv->toolbar);
|
|
|
|
gtk_container_add (GTK_CONTAINER (window), priv->toolbar);
|
|
}
|
|
|
|
/**
|
|
* gtk_selection_window_new:
|
|
*
|
|
* Creates a new #GtkSelectionWindow
|
|
*
|
|
* Returns: a newly created #GtkSelectionWindow
|
|
**/
|
|
GtkWidget *
|
|
gtk_selection_window_new (void)
|
|
{
|
|
return g_object_new (GTK_TYPE_SELECTION_WINDOW, NULL);
|
|
}
|
|
|
|
/**
|
|
* gtk_selection_window_set_editable:
|
|
* @window: a #GtkSelectionWindow
|
|
* @editable: whether the current selection is editable
|
|
*
|
|
* Sets whether the current selection is editable. Toolbar options'
|
|
* sensitivity will change according to this.
|
|
*
|
|
* Since: 3.8
|
|
**/
|
|
void
|
|
gtk_selection_window_set_editable (GtkSelectionWindow *window,
|
|
gboolean editable)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
gboolean need_update;
|
|
|
|
g_return_if_fail (GTK_IS_SELECTION_WINDOW (window));
|
|
|
|
priv = window->_priv;
|
|
need_update = priv->editable != editable &&
|
|
gtk_widget_get_visible (GTK_WIDGET (window));
|
|
priv->editable = editable;
|
|
|
|
if (need_update)
|
|
_gtk_selection_window_update_state (window);
|
|
|
|
g_object_notify (G_OBJECT (window), "editable");
|
|
}
|
|
|
|
/**
|
|
* gtk_selection_window_get_editable:
|
|
* @window: a #GtkSelectionWindow
|
|
*
|
|
* Returns whether the contents are editable according to @window
|
|
*
|
|
* Returns: whether the contents are editable
|
|
*
|
|
* Since: 3.8
|
|
**/
|
|
gboolean
|
|
gtk_selection_window_get_editable (GtkSelectionWindow *window)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_SELECTION_WINDOW (window), FALSE);
|
|
|
|
priv = window->_priv;
|
|
|
|
return priv->editable;
|
|
}
|
|
|
|
/**
|
|
* gtk_selection_window_set_has_selection:
|
|
* @window: a #GtkSelectionWindow
|
|
* @has_selection: whether there is currently a selection
|
|
*
|
|
* Sets whether there is any selected content. Toolbar options'
|
|
* sensitivity will change according to this.
|
|
*
|
|
* Since: 3.8
|
|
**/
|
|
void
|
|
gtk_selection_window_set_has_selection (GtkSelectionWindow *window,
|
|
gboolean has_selection)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
gboolean need_update;
|
|
|
|
g_return_if_fail (GTK_IS_SELECTION_WINDOW (window));
|
|
|
|
priv = window->_priv;
|
|
need_update = priv->has_selection != has_selection &&
|
|
gtk_widget_get_visible (GTK_WIDGET (window));
|
|
priv->has_selection = has_selection;
|
|
|
|
if (need_update)
|
|
_gtk_selection_window_update_state (window);
|
|
|
|
g_object_notify (G_OBJECT (window), "has-selection");
|
|
}
|
|
|
|
/**
|
|
* gtk_selection_window_get_has_selection:
|
|
* @window: a #GtkSelectionWindow
|
|
*
|
|
* Returns whether there any content is selected according to @window
|
|
*
|
|
* Returns: whether there is selected content
|
|
*
|
|
* Since: 3.8
|
|
**/
|
|
gboolean
|
|
gtk_selection_window_get_has_selection (GtkSelectionWindow *window)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_SELECTION_WINDOW (window), FALSE);
|
|
|
|
priv = window->_priv;
|
|
|
|
return priv->has_selection;
|
|
}
|
|
|
|
/**
|
|
* gtk_selection_window_get_toolbar:
|
|
* @window: a #GtkSelectionWindow
|
|
*
|
|
* Returns the toolbar contained by @window so e.g. new elements
|
|
* can be added.
|
|
*
|
|
* Returns: the internal toolbar
|
|
*
|
|
* Since: 3.8
|
|
**/
|
|
GtkWidget *
|
|
gtk_selection_window_get_toolbar (GtkSelectionWindow *window)
|
|
{
|
|
GtkSelectionWindowPrivate *priv;
|
|
|
|
g_return_val_if_fail (GTK_IS_SELECTION_WINDOW (window), FALSE);
|
|
|
|
priv = window->_priv;
|
|
|
|
return priv->toolbar;
|
|
}
|