148 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			148 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* gtkcelleditable.c
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|  * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@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 Library 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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|  * Library General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Library 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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| 
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| /**
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|  * SECTION:gtkcelleditable
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|  * @Short_description: Interface for widgets which can are used for editing
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|  *  cells
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|  * @Title: GtkCellEditable
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|  * @See_also: #GtkEntry, #GtkCellRenderer
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|  *
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|  * The #GtkCellEditable interface must be implemented for widgets to be usable
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|  * when editing the contents of a #GtkTreeView cell.
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|  */
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| 
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| #include "config.h"
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| #include "gtkcelleditable.h"
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| #include "gtkmarshalers.h"
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| #include "gtkprivate.h"
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| #include "gtkintl.h"
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| 
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| 
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| typedef GtkCellEditableIface GtkCellEditableInterface;
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| G_DEFINE_INTERFACE(GtkCellEditable, gtk_cell_editable, GTK_TYPE_WIDGET)
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| 
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| static void
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| gtk_cell_editable_default_init (GtkCellEditableInterface *iface)
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| {
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|   /**
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|    * GtkCellEditable:editing-canceled:
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|    *
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|    * Indicates whether editing on the cell has been canceled.
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|    *
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|    * Since: 2.20
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|    */
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|   g_object_interface_install_property (iface,
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|                                        g_param_spec_boolean ("editing-canceled",
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|                                        P_("Editing Canceled"),
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|                                        P_("Indicates that editing has been canceled"),
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|                                        FALSE,
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|                                        GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
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| 
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|   /**
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|    * GtkCellEditable::editing-done:
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|    * @cell_editable: the object on which the signal was emitted
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|    *
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|    * This signal is a sign for the cell renderer to update its
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|    * value from the @cell_editable.
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|    *
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|    * Implementations of #GtkCellEditable are responsible for
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|    * emitting this signal when they are done editing, e.g.
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|    * #GtkEntry is emitting it when the user presses Enter.
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|    *
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|    * gtk_cell_editable_editing_done() is a convenience method
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|    * for emitting #GtkCellEditable::editing-done.
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|    */
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|   g_signal_new (I_("editing-done"),
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|                 GTK_TYPE_CELL_EDITABLE,
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|                 G_SIGNAL_RUN_LAST,
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|                 G_STRUCT_OFFSET (GtkCellEditableIface, editing_done),
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|                 NULL, NULL,
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|                 _gtk_marshal_VOID__VOID,
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|                 G_TYPE_NONE, 0);
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| 
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|   /**
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|    * GtkCellEditable::remove-widget:
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|    * @cell_editable: the object on which the signal was emitted
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|    *
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|    * This signal is meant to indicate that the cell is finished
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|    * editing, and the widget may now be destroyed.
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|    *
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|    * Implementations of #GtkCellEditable are responsible for
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|    * emitting this signal when they are done editing. It must
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|    * be emitted after the #GtkCellEditable::editing-done signal,
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|    * to give the cell renderer a chance to update the cell's value
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|    * before the widget is removed.
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|    *
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|    * gtk_cell_editable_remove_widget() is a convenience method
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|    * for emitting #GtkCellEditable::remove-widget.
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|    */
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|   g_signal_new (I_("remove-widget"),
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|                 GTK_TYPE_CELL_EDITABLE,
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|                 G_SIGNAL_RUN_LAST,
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|                 G_STRUCT_OFFSET (GtkCellEditableIface, remove_widget),
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|                 NULL, NULL,
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|                 _gtk_marshal_VOID__VOID,
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|                 G_TYPE_NONE, 0);
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| }
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| 
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| /**
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|  * gtk_cell_editable_start_editing:
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|  * @cell_editable: A #GtkCellEditable
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|  * @event: (allow-none): A #GdkEvent, or %NULL
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|  * 
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|  * Begins editing on a @cell_editable. @event is the #GdkEvent that began 
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|  * the editing process. It may be %NULL, in the instance that editing was 
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|  * initiated through programatic means.
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|  **/
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| void
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| gtk_cell_editable_start_editing (GtkCellEditable *cell_editable,
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| 				 GdkEvent        *event)
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| {
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|   g_return_if_fail (GTK_IS_CELL_EDITABLE (cell_editable));
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| 
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|   (* GTK_CELL_EDITABLE_GET_IFACE (cell_editable)->start_editing) (cell_editable, event);
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| }
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| 
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| /**
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|  * gtk_cell_editable_editing_done:
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|  * @cell_editable: A #GtkCellEditable
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|  * 
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|  * Emits the #GtkCellEditable::editing-done signal. 
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|  **/
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| void
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| gtk_cell_editable_editing_done (GtkCellEditable *cell_editable)
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| {
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|   g_return_if_fail (GTK_IS_CELL_EDITABLE (cell_editable));
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| 
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|   g_signal_emit_by_name (cell_editable, "editing-done");
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| }
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| 
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| /**
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|  * gtk_cell_editable_remove_widget:
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|  * @cell_editable: A #GtkCellEditable
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|  * 
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|  * Emits the #GtkCellEditable::remove-widget signal.  
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|  **/
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| void
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| gtk_cell_editable_remove_widget (GtkCellEditable *cell_editable)
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| {
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|   g_return_if_fail (GTK_IS_CELL_EDITABLE (cell_editable));
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| 
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|   g_signal_emit_by_name (cell_editable, "remove-widget");
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| }
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