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gimp/app/widgets/gimpcontainerview.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontainerview.c
* Copyright (C) 2001-2003 Michael Natterer <mitch@gimp.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpmarshal.h"
#include "core/gimpviewable.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimpviewrenderer.h"
enum
{
SELECT_ITEM,
ACTIVATE_ITEM,
CONTEXT_ITEM,
LAST_SIGNAL
};
#define GIMP_CONTAINER_VIEW_GET_PRIVATE(obj) (gimp_container_view_get_private ((GimpContainerView *) (obj)))
typedef struct _GimpContainerViewPrivate GimpContainerViewPrivate;
struct _GimpContainerViewPrivate
{
GimpContainer *container;
GimpContext *context;
GHashTable *hash_table;
gint preview_size;
gint preview_border_width;
gboolean reorderable;
/* initialized by subclass */
GtkWidget *dnd_widget;
GQuark name_changed_handler_id;
};
static void gimp_container_view_iface_base_init (GimpContainerViewInterface *view_iface);
static GimpContainerViewPrivate *
gimp_container_view_get_private (GimpContainerView *view);
static void gimp_container_view_real_set_container (GimpContainerView *view,
GimpContainer *container);
static void gimp_container_view_clear_items (GimpContainerView *view);
static void gimp_container_view_real_clear_items (GimpContainerView *view);
static void gimp_container_view_add_foreach (GimpViewable *viewable,
GimpContainerView *view);
static void gimp_container_view_add (GimpContainerView *view,
GimpViewable *viewable,
GimpContainer *container);
static void gimp_container_view_remove (GimpContainerView *view,
GimpViewable *viewable,
GimpContainer *container);
static void gimp_container_view_reorder (GimpContainerView *view,
GimpViewable *viewable,
gint new_index,
GimpContainer *container);
static void gimp_container_view_freeze (GimpContainerView *view,
GimpContainer *container);
static void gimp_container_view_thaw (GimpContainerView *view,
GimpContainer *container);
static void gimp_container_view_name_changed (GimpViewable *viewable,
GimpContainerView *view);
static void gimp_container_view_context_changed (GimpContext *context,
GimpViewable *viewable,
GimpContainerView *view);
static void gimp_container_view_viewable_dropped (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data);
static void gimp_container_view_button_viewable_dropped (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data);
static guint view_signals[LAST_SIGNAL] = { 0 };
GType
gimp_container_view_interface_get_type (void)
{
static GType iface_type = 0;
if (! iface_type)
{
static const GTypeInfo iface_info =
{
sizeof (GimpContainerViewInterface),
(GBaseInitFunc) gimp_container_view_iface_base_init,
(GBaseFinalizeFunc) NULL,
};
iface_type = g_type_register_static (G_TYPE_INTERFACE,
"GimpContainerViewInterface",
&iface_info,
0);
g_type_interface_add_prerequisite (iface_type, GTK_TYPE_WIDGET);
}
return iface_type;
}
static void
gimp_container_view_iface_base_init (GimpContainerViewInterface *view_iface)
{
if (view_iface->set_container)
return;
view_signals[SELECT_ITEM] =
g_signal_new ("select-item",
G_TYPE_FROM_INTERFACE (view_iface),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GimpContainerViewInterface, select_item),
NULL, NULL,
gimp_marshal_BOOLEAN__OBJECT_POINTER,
G_TYPE_BOOLEAN, 2,
GIMP_TYPE_OBJECT,
G_TYPE_POINTER);
view_signals[ACTIVATE_ITEM] =
g_signal_new ("activate-item",
G_TYPE_FROM_INTERFACE (view_iface),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContainerViewInterface, activate_item),
NULL, NULL,
gimp_marshal_VOID__OBJECT_POINTER,
G_TYPE_NONE, 2,
GIMP_TYPE_OBJECT,
G_TYPE_POINTER);
view_signals[CONTEXT_ITEM] =
g_signal_new ("context-item",
G_TYPE_FROM_INTERFACE (view_iface),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpContainerViewInterface, context_item),
NULL, NULL,
gimp_marshal_VOID__OBJECT_POINTER,
G_TYPE_NONE, 2,
GIMP_TYPE_OBJECT,
G_TYPE_POINTER);
view_iface->select_item = NULL;
view_iface->activate_item = NULL;
view_iface->context_item = NULL;
view_iface->set_container = gimp_container_view_real_set_container;
view_iface->insert_item = NULL;
view_iface->remove_item = NULL;
view_iface->reorder_item = NULL;
view_iface->rename_item = NULL;
view_iface->clear_items = gimp_container_view_real_clear_items;
view_iface->set_preview_size = NULL;
view_iface->insert_data_free = NULL;
g_object_interface_install_property (view_iface,
g_param_spec_object ("container",
NULL, NULL,
GIMP_TYPE_CONTAINER,
G_PARAM_READWRITE));
g_object_interface_install_property (view_iface,
g_param_spec_object ("context",
NULL, NULL,
GIMP_TYPE_CONTEXT,
G_PARAM_READWRITE));
g_object_interface_install_property (view_iface,
g_param_spec_boolean ("reorderable",
NULL, NULL,
FALSE,
G_PARAM_READWRITE));
g_object_interface_install_property (view_iface,
g_param_spec_int ("preview-size",
NULL, NULL,
1, GIMP_VIEWABLE_MAX_PREVIEW_SIZE,
GIMP_VIEW_SIZE_MEDIUM,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
g_object_interface_install_property (view_iface,
g_param_spec_int ("preview-border-width",
NULL, NULL,
0, GIMP_VIEW_MAX_BORDER_WIDTH,
1,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT));
}
static void
gimp_container_view_private_dispose (GimpContainerView *view,
GimpContainerViewPrivate *private)
{
if (private->container)
gimp_container_view_set_container (view, NULL);
if (private->context)
gimp_container_view_set_context (view, NULL);
}
static void
gimp_container_view_private_finalize (GimpContainerViewPrivate *private)
{
if (private->hash_table)
{
g_hash_table_destroy (private->hash_table);
private->hash_table = NULL;
}
g_free (private);
}
static GimpContainerViewPrivate *
gimp_container_view_get_private (GimpContainerView *view)
{
GimpContainerViewPrivate *private;
static GQuark private_key = 0;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), NULL);
if (! private_key)
private_key = g_quark_from_static_string ("gimp-container-view-private");
private = g_object_get_qdata ((GObject *) view, private_key);
if (! private)
{
GimpContainerViewInterface *view_iface;
view_iface = GIMP_CONTAINER_VIEW_GET_INTERFACE (view);
private = g_new0 (GimpContainerViewPrivate, 1);
private->preview_border_width = 1;
g_object_set_qdata_full ((GObject *) view, private_key, private,
(GDestroyNotify) gimp_container_view_private_finalize);
g_signal_connect (view, "destroy",
G_CALLBACK (gimp_container_view_private_dispose),
private);
}
return private;
}
/**
* gimp_container_view_install_properties:
* @klass: the class structure for a type deriving from #GObject
*
* Installs the necessary properties for a class implementing
* #GimpContainerView. A #GimpContainerViewProp property is installed
* for each property, using the values from the #GimpContainerViewProp
* enumeration. The caller must make sure itself that the enumeration
* values don't collide with some other property values they
* are using (that's what %GIMP_CONTAINER_VIEW_PROP_LAST is good for).
**/
void
gimp_container_view_install_properties (GObjectClass *klass)
{
g_object_class_override_property (klass,
GIMP_CONTAINER_VIEW_PROP_CONTAINER,
"container");
g_object_class_override_property (klass,
GIMP_CONTAINER_VIEW_PROP_CONTEXT,
"context");
g_object_class_override_property (klass,
GIMP_CONTAINER_VIEW_PROP_REORDERABLE,
"reorderable");
g_object_class_override_property (klass,
GIMP_CONTAINER_VIEW_PROP_PREVIEW_SIZE,
"preview-size");
g_object_class_override_property (klass,
GIMP_CONTAINER_VIEW_PROP_PREVIEW_BORDER_WIDTH,
"preview-border-width");
}
GimpContainer *
gimp_container_view_get_container (GimpContainerView *view)
{
GimpContainerViewPrivate *private;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), NULL);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
return private->container;
}
void
gimp_container_view_set_container (GimpContainerView *view,
GimpContainer *container)
{
GimpContainerViewPrivate *private;
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (container == NULL || GIMP_IS_CONTAINER (container));
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (container != private->container)
{
GIMP_CONTAINER_VIEW_GET_INTERFACE (view)->set_container (view, container);
g_object_notify (G_OBJECT (view), "container");
}
}
static void
gimp_container_view_real_set_container (GimpContainerView *view,
GimpContainer *container)
{
GimpContainerViewPrivate *private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (private->container)
{
gimp_container_view_select_item (view, NULL);
gimp_container_view_clear_items (view);
gimp_container_remove_handler (private->container,
private->name_changed_handler_id);
g_signal_handlers_disconnect_by_func (private->container,
gimp_container_view_add,
view);
g_signal_handlers_disconnect_by_func (private->container,
gimp_container_view_remove,
view);
g_signal_handlers_disconnect_by_func (private->container,
gimp_container_view_reorder,
view);
g_signal_handlers_disconnect_by_func (private->container,
gimp_container_view_freeze,
view);
g_signal_handlers_disconnect_by_func (private->container,
gimp_container_view_thaw,
view);
if (private->context)
{
g_signal_handlers_disconnect_by_func (private->context,
gimp_container_view_context_changed,
view);
if (private->dnd_widget)
{
gtk_drag_dest_unset (private->dnd_widget);
gimp_dnd_viewable_dest_remove (private->dnd_widget,
private->container->children_type);
}
}
}
private->container = container;
if (private->container)
{
GimpViewableClass *viewable_class;
viewable_class = g_type_class_ref (container->children_type);
gimp_container_foreach (private->container,
(GFunc) gimp_container_view_add_foreach,
view);
private->name_changed_handler_id =
gimp_container_add_handler (private->container,
viewable_class->name_changed_signal,
G_CALLBACK (gimp_container_view_name_changed),
view);
g_type_class_unref (viewable_class);
g_signal_connect_object (private->container, "add",
G_CALLBACK (gimp_container_view_add),
view,
G_CONNECT_SWAPPED);
g_signal_connect_object (private->container, "remove",
G_CALLBACK (gimp_container_view_remove),
view,
G_CONNECT_SWAPPED);
g_signal_connect_object (private->container, "reorder",
G_CALLBACK (gimp_container_view_reorder),
view,
G_CONNECT_SWAPPED);
g_signal_connect_object (private->container, "freeze",
G_CALLBACK (gimp_container_view_freeze),
view,
G_CONNECT_SWAPPED);
g_signal_connect_object (private->container, "thaw",
G_CALLBACK (gimp_container_view_thaw),
view,
G_CONNECT_SWAPPED);
if (private->context)
{
GimpObject *object;
const gchar *signal_name;
signal_name =
gimp_context_type_to_signal_name (private->container->children_type);
g_signal_connect_object (private->context, signal_name,
G_CALLBACK (gimp_container_view_context_changed),
view,
0);
object = gimp_context_get_by_type (private->context,
private->container->children_type);
gimp_container_view_select_item (view, (GimpViewable *) object);
if (private->dnd_widget)
gimp_dnd_viewable_dest_add (private->dnd_widget,
private->container->children_type,
gimp_container_view_viewable_dropped,
view);
}
}
}
GimpContext *
gimp_container_view_get_context (GimpContainerView *view)
{
GimpContainerViewPrivate *private;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), NULL);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
return private->context;
}
void
gimp_container_view_set_context (GimpContainerView *view,
GimpContext *context)
{
GimpContainerViewPrivate *private;
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (! context || GIMP_IS_CONTEXT (context));
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (context == private->context)
return;
if (private->context)
{
if (private->container)
{
g_signal_handlers_disconnect_by_func (private->context,
gimp_container_view_context_changed,
view);
if (private->dnd_widget)
{
gtk_drag_dest_unset (private->dnd_widget);
gimp_dnd_viewable_dest_remove (private->dnd_widget,
private->container->children_type);
}
}
g_object_unref (private->context);
}
private->context = context;
if (private->context)
{
g_object_ref (private->context);
if (private->container)
{
GimpObject *object;
const gchar *signal_name;
signal_name =
gimp_context_type_to_signal_name (private->container->children_type);
g_signal_connect_object (private->context, signal_name,
G_CALLBACK (gimp_container_view_context_changed),
view,
0);
object = gimp_context_get_by_type (private->context,
private->container->children_type);
gimp_container_view_select_item (view, (GimpViewable *) object);
if (private->dnd_widget)
gimp_dnd_viewable_dest_add (private->dnd_widget,
private->container->children_type,
gimp_container_view_viewable_dropped,
view);
}
}
g_object_notify (G_OBJECT (view), "context");
}
gint
gimp_container_view_get_preview_size (GimpContainerView *view,
gint *preview_border_width)
{
GimpContainerViewPrivate *private;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), 0);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (preview_border_width)
*preview_border_width = private->preview_border_width;
return private->preview_size;
}
void
gimp_container_view_set_preview_size (GimpContainerView *view,
gint preview_size,
gint preview_border_width)
{
GimpContainerViewPrivate *private;
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (preview_size > 0 &&
preview_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE);
g_return_if_fail (preview_border_width >= 0 &&
preview_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (private->preview_size != preview_size ||
private->preview_border_width != preview_border_width)
{
private->preview_size = preview_size;
private->preview_border_width = preview_border_width;
GIMP_CONTAINER_VIEW_GET_INTERFACE (view)->set_preview_size (view);
g_object_freeze_notify (G_OBJECT (view));
g_object_notify (G_OBJECT (view), "preview-size");
g_object_notify (G_OBJECT (view), "preview-border-width");
g_object_thaw_notify (G_OBJECT (view));
}
}
gboolean
gimp_container_view_get_reorderable (GimpContainerView *view)
{
GimpContainerViewPrivate *private;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), FALSE);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
return private->reorderable;
}
void
gimp_container_view_set_reorderable (GimpContainerView *view,
gboolean reorderable)
{
GimpContainerViewPrivate *private;
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
private->reorderable = reorderable ? TRUE : FALSE;
g_object_notify (G_OBJECT (view), "reorderable");
}
GtkWidget *
gimp_container_view_get_dnd_widget (GimpContainerView *view)
{
GimpContainerViewPrivate *private;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), NULL);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
return private->dnd_widget;
}
void
gimp_container_view_set_dnd_widget (GimpContainerView *view,
GtkWidget *dnd_widget)
{
GimpContainerViewPrivate *private;
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (dnd_widget == NULL || GTK_IS_WIDGET (dnd_widget));
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
private->dnd_widget = dnd_widget;
}
void
gimp_container_view_enable_dnd (GimpContainerView *view,
GtkButton *button,
GType children_type)
{
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (GTK_IS_BUTTON (button));
gimp_dnd_viewable_dest_add (GTK_WIDGET (button),
children_type,
gimp_container_view_button_viewable_dropped,
view);
}
gboolean
gimp_container_view_select_item (GimpContainerView *view,
GimpViewable *viewable)
{
GimpContainerViewPrivate *private;
gboolean success = FALSE;
gpointer insert_data;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), FALSE);
g_return_val_if_fail (viewable == NULL || GIMP_IS_VIEWABLE (viewable), FALSE);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (private->hash_table)
insert_data = g_hash_table_lookup (private->hash_table, viewable);
else
insert_data = NULL;
g_signal_emit (view, view_signals[SELECT_ITEM], 0,
viewable, insert_data, &success);
return success;
}
void
gimp_container_view_activate_item (GimpContainerView *view,
GimpViewable *viewable)
{
GimpContainerViewPrivate *private;
gpointer insert_data;
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (private->hash_table)
insert_data = g_hash_table_lookup (private->hash_table, viewable);
else
insert_data = NULL;
g_signal_emit (view, view_signals[ACTIVATE_ITEM], 0,
viewable, insert_data);
}
void
gimp_container_view_context_item (GimpContainerView *view,
GimpViewable *viewable)
{
GimpContainerViewPrivate *private;
gpointer insert_data;
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (private->hash_table)
insert_data = g_hash_table_lookup (private->hash_table, viewable);
else
insert_data = NULL;
g_signal_emit (view, view_signals[CONTEXT_ITEM], 0,
viewable, insert_data);
}
gpointer
gimp_container_view_lookup (GimpContainerView *view,
GimpViewable *viewable)
{
GimpContainerViewPrivate *private;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), NULL);
g_return_val_if_fail (viewable == NULL || GIMP_IS_VIEWABLE (viewable), NULL);
/* we handle the NULL viewable here as a workaround for bug #149906 */
if (! viewable)
return NULL;
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (private->hash_table)
return g_hash_table_lookup (private->hash_table, viewable);
return NULL;
}
gboolean
gimp_container_view_item_selected (GimpContainerView *view,
GimpViewable *viewable)
{
GimpContainerViewPrivate *private;
gboolean success;
g_return_val_if_fail (GIMP_IS_CONTAINER_VIEW (view), FALSE);
g_return_val_if_fail (GIMP_IS_VIEWABLE (viewable), FALSE);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
/* HACK */
if (private->container && private->context)
{
gimp_context_set_by_type (private->context,
private->container->children_type,
GIMP_OBJECT (viewable));
return TRUE;
}
success = gimp_container_view_select_item (view, viewable);
#if 0
if (success && private->container && private->context)
{
GimpContext *context;
/* ref and remember the context because private->context may
* become NULL by calling gimp_context_set_by_type()
*/
context = g_object_ref (private->context);
g_signal_handlers_block_by_func (context,
gimp_container_view_context_changed,
view);
gimp_context_set_by_type (context,
private->container->children_type,
GIMP_OBJECT (viewable));
g_signal_handlers_unblock_by_func (context,
gimp_container_view_context_changed,
view);
g_object_unref (context);
}
#endif
return success;
}
void
gimp_container_view_item_activated (GimpContainerView *view,
GimpViewable *viewable)
{
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
gimp_container_view_activate_item (view, viewable);
}
void
gimp_container_view_item_context (GimpContainerView *view,
GimpViewable *viewable)
{
g_return_if_fail (GIMP_IS_CONTAINER_VIEW (view));
g_return_if_fail (GIMP_IS_VIEWABLE (viewable));
gimp_container_view_context_item (view, viewable);
}
void
gimp_container_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (object);
switch (property_id)
{
case GIMP_CONTAINER_VIEW_PROP_CONTAINER:
gimp_container_view_set_container (view, g_value_get_object (value));
break;
case GIMP_CONTAINER_VIEW_PROP_CONTEXT:
gimp_container_view_set_context (view, g_value_get_object (value));
break;
case GIMP_CONTAINER_VIEW_PROP_REORDERABLE:
gimp_container_view_set_reorderable (view, g_value_get_boolean (value));
break;
case GIMP_CONTAINER_VIEW_PROP_PREVIEW_SIZE:
case GIMP_CONTAINER_VIEW_PROP_PREVIEW_BORDER_WIDTH:
{
gint size, border;
size = gimp_container_view_get_preview_size (view, &border);
if (property_id == GIMP_CONTAINER_VIEW_PROP_PREVIEW_SIZE)
size = g_value_get_int (value);
else
border = g_value_get_int (value);
gimp_container_view_set_preview_size (view, size, border);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
void
gimp_container_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (object);
switch (property_id)
{
case GIMP_CONTAINER_VIEW_PROP_CONTAINER:
g_value_set_object (value, gimp_container_view_get_container (view));
break;
case GIMP_CONTAINER_VIEW_PROP_CONTEXT:
g_value_set_object (value, gimp_container_view_get_context (view));
break;
case GIMP_CONTAINER_VIEW_PROP_REORDERABLE:
g_value_set_boolean (value, gimp_container_view_get_reorderable (view));
break;
case GIMP_CONTAINER_VIEW_PROP_PREVIEW_SIZE:
case GIMP_CONTAINER_VIEW_PROP_PREVIEW_BORDER_WIDTH:
{
gint size, border;
size = gimp_container_view_get_preview_size (view, &border);
if (property_id == GIMP_CONTAINER_VIEW_PROP_PREVIEW_SIZE)
g_value_set_int (value, size);
else
g_value_set_int (value, border);
}
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_container_view_clear_items (GimpContainerView *view)
{
GIMP_CONTAINER_VIEW_GET_INTERFACE (view)->clear_items (view);
}
static void
gimp_container_view_real_clear_items (GimpContainerView *view)
{
GimpContainerViewPrivate *private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (private->hash_table)
{
g_hash_table_destroy (private->hash_table);
private->hash_table = NULL;
}
}
static void
gimp_container_view_add_foreach (GimpViewable *viewable,
GimpContainerView *view)
{
GimpContainerViewInterface *view_iface;
GimpContainerViewPrivate *private;
gpointer insert_data;
view_iface = GIMP_CONTAINER_VIEW_GET_INTERFACE (view);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
insert_data = view_iface->insert_item (view, viewable, -1);
if (! private->hash_table)
private->hash_table = g_hash_table_new_full (g_direct_hash, g_direct_equal,
NULL,
view_iface->insert_data_free);
g_hash_table_insert (private->hash_table, viewable, insert_data);
}
static void
gimp_container_view_add (GimpContainerView *view,
GimpViewable *viewable,
GimpContainer *container)
{
GimpContainerViewInterface *view_iface;
GimpContainerViewPrivate *private;
gpointer insert_data;
gint index;
if (gimp_container_frozen (container))
return;
view_iface = GIMP_CONTAINER_VIEW_GET_INTERFACE (view);
private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
index = gimp_container_get_child_index (container,
GIMP_OBJECT (viewable));
insert_data = view_iface->insert_item (view, viewable, index);
if (! private->hash_table)
private->hash_table = g_hash_table_new_full (g_direct_hash, g_direct_equal,
NULL,
view_iface->insert_data_free);
g_hash_table_insert (private->hash_table, viewable, insert_data);
}
static void
gimp_container_view_remove (GimpContainerView *view,
GimpViewable *viewable,
GimpContainer *container)
{
GimpContainerViewPrivate *private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
gpointer insert_data;
if (gimp_container_frozen (container))
return;
if (! private->hash_table)
return;
insert_data = g_hash_table_lookup (private->hash_table, viewable);
if (insert_data)
{
GIMP_CONTAINER_VIEW_GET_INTERFACE (view)->remove_item (view,
viewable,
insert_data);
g_hash_table_remove (private->hash_table, viewable);
}
}
static void
gimp_container_view_reorder (GimpContainerView *view,
GimpViewable *viewable,
gint new_index,
GimpContainer *container)
{
GimpContainerViewPrivate *private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
gpointer insert_data;
if (gimp_container_frozen (container))
return;
if (! private->hash_table)
return;
insert_data = g_hash_table_lookup (private->hash_table, viewable);
if (insert_data)
{
GIMP_CONTAINER_VIEW_GET_INTERFACE (view)->reorder_item (view,
viewable,
new_index,
insert_data);
}
}
static void
gimp_container_view_freeze (GimpContainerView *view,
GimpContainer *container)
{
gimp_container_view_clear_items (view);
}
static void
gimp_container_view_thaw (GimpContainerView *view,
GimpContainer *container)
{
GimpContainerViewPrivate *private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
gimp_container_foreach (private->container,
(GFunc) gimp_container_view_add_foreach,
view);
if (private->context)
{
GimpObject *object;
object = gimp_context_get_by_type (private->context,
private->container->children_type);
gimp_container_view_select_item (view, (GimpViewable *) object);
}
}
static void
gimp_container_view_name_changed (GimpViewable *viewable,
GimpContainerView *view)
{
GimpContainerViewPrivate *private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
gpointer insert_data;
if (! private->hash_table)
return;
insert_data = g_hash_table_lookup (private->hash_table, viewable);
if (insert_data)
{
GIMP_CONTAINER_VIEW_GET_INTERFACE (view)->rename_item (view,
viewable,
insert_data);
}
}
static void
gimp_container_view_context_changed (GimpContext *context,
GimpViewable *viewable,
GimpContainerView *view)
{
if (! gimp_container_view_select_item (view, viewable))
g_warning ("%s: select_item() failed (should not happen)", G_STRFUNC);
}
static void
gimp_container_view_viewable_dropped (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (data);
GimpContainerViewPrivate *private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (viewable && private->container &&
gimp_container_have (private->container, GIMP_OBJECT (viewable)))
{
gimp_container_view_item_selected (view, viewable);
}
}
static void
gimp_container_view_button_viewable_dropped (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (data);
GimpContainerViewPrivate *private = GIMP_CONTAINER_VIEW_GET_PRIVATE (view);
if (viewable && private->container &&
gimp_container_have (private->container, GIMP_OBJECT (viewable)))
{
gimp_container_view_item_selected (view, viewable);
gtk_button_clicked (GTK_BUTTON (widget));
}
}
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