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gimp/app/widgets/gimpdrawablelistview.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdrawablelistview.c
* Copyright (C) 2001 Michael Natterer
*
* 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 <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpchannel.h"
#include "core/gimpcontainer.h"
#include "core/gimpdrawable.h"
#include "core/gimpimage.h"
#include "core/gimplayer.h"
#include "core/gimpmarshal.h"
#include "gimpchannellistview.h"
#include "gimpdnd.h"
#include "gimpdrawablelistview.h"
#include "gimplayerlistview.h"
#include "gimplistitem.h"
#include "gimppreview.h"
#include "gdisplay.h"
#include "libgimp/gimpintl.h"
enum
{
SET_IMAGE,
LAST_SIGNAL
};
static void gimp_drawable_list_view_class_init (GimpDrawableListViewClass *klass);
static void gimp_drawable_list_view_init (GimpDrawableListView *view);
static void gimp_drawable_list_view_destroy (GtkObject *object);
static void gimp_drawable_list_view_real_set_image (GimpDrawableListView *view,
GimpImage *gimage);
static gpointer gimp_drawable_list_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gint index);
static void gimp_drawable_list_view_select_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data);
static void gimp_drawable_list_view_activate_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data);
static void gimp_drawable_list_view_context_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data);
static void gimp_drawable_list_view_new_drawable (GimpDrawableListView *view,
GimpDrawable *drawable);
static void gimp_drawable_list_view_new_clicked (GtkWidget *widget,
GimpDrawableListView *view);
static void gimp_drawable_list_view_new_dropped (GtkWidget *widget,
GimpViewable *viewable,
gpointer data);
static void gimp_drawable_list_view_raise_clicked (GtkWidget *widget,
GimpDrawableListView *view);
static void gimp_drawable_list_view_raise_extended_clicked
(GtkWidget *widget,
guint state,
GimpDrawableListView *view);
static void gimp_drawable_list_view_lower_clicked (GtkWidget *widget,
GimpDrawableListView *view);
static void gimp_drawable_list_view_lower_extended_clicked
(GtkWidget *widget,
guint state,
GimpDrawableListView *view);
static void gimp_drawable_list_view_duplicate_clicked (GtkWidget *widget,
GimpDrawableListView *view);
static void gimp_drawable_list_view_edit_clicked (GtkWidget *widget,
GimpDrawableListView *view);
static void gimp_drawable_list_view_delete_clicked (GtkWidget *widget,
GimpDrawableListView *view);
static void gimp_drawable_list_view_drawable_changed (GimpImage *gimage,
GimpDrawableListView *view);
static void gimp_drawable_list_view_size_changed (GimpImage *gimage,
GimpDrawableListView *view);
static void gimp_drawable_list_view_floating_selection_changed
(GimpImage *gimage,
GimpDrawableListView *view);
static guint view_signals[LAST_SIGNAL] = { 0 };
static GimpContainerListViewClass *parent_class = NULL;
GType
gimp_drawable_list_view_get_type (void)
{
static GType view_type = 0;
if (! view_type)
{
GtkTypeInfo view_info =
{
"GimpDrawableListView",
sizeof (GimpDrawableListView),
sizeof (GimpDrawableListViewClass),
(GtkClassInitFunc) gimp_drawable_list_view_class_init,
(GtkObjectInitFunc) gimp_drawable_list_view_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL
};
view_type = gtk_type_unique (GIMP_TYPE_CONTAINER_LIST_VIEW, &view_info);
}
return view_type;
}
static void
gimp_drawable_list_view_class_init (GimpDrawableListViewClass *klass)
{
GtkObjectClass *object_class;
GimpContainerViewClass *container_view_class;
object_class = (GtkObjectClass *) klass;
container_view_class = (GimpContainerViewClass *) klass;
parent_class = g_type_class_peek_parent (klass);
view_signals[SET_IMAGE] =
g_signal_new ("set_image",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GimpDrawableListViewClass, set_image),
NULL, NULL,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_OBJECT);
object_class->destroy = gimp_drawable_list_view_destroy;
container_view_class->insert_item = gimp_drawable_list_view_insert_item;
container_view_class->select_item = gimp_drawable_list_view_select_item;
container_view_class->activate_item = gimp_drawable_list_view_activate_item;
container_view_class->context_item = gimp_drawable_list_view_context_item;
klass->set_image = gimp_drawable_list_view_real_set_image;
}
static void
gimp_drawable_list_view_init (GimpDrawableListView *view)
{
GimpContainerView *container_view;
container_view = GIMP_CONTAINER_VIEW (view);
view->gimage = NULL;
view->drawable_type = GTK_TYPE_NONE;
view->signal_name = NULL;
view->new_button =
gimp_container_view_add_button (container_view,
GIMP_STOCK_NEW,
_("New"), NULL,
G_CALLBACK (gimp_drawable_list_view_new_clicked),
NULL,
view);
view->raise_button =
gimp_container_view_add_button (container_view,
GIMP_STOCK_RAISE,
_("Raise\n"
"<Shift> To Top"), NULL,
G_CALLBACK (gimp_drawable_list_view_raise_clicked),
G_CALLBACK (gimp_drawable_list_view_raise_extended_clicked),
view);
view->lower_button =
gimp_container_view_add_button (container_view,
GIMP_STOCK_LOWER,
_("Lower\n"
"<Shift> To Bottom"), NULL,
G_CALLBACK (gimp_drawable_list_view_lower_clicked),
G_CALLBACK (gimp_drawable_list_view_lower_extended_clicked),
view);
view->duplicate_button =
gimp_container_view_add_button (container_view,
GIMP_STOCK_DUPLICATE,
_("Duplicate"), NULL,
G_CALLBACK (gimp_drawable_list_view_duplicate_clicked),
NULL,
view);
view->edit_button =
gimp_container_view_add_button (container_view,
GIMP_STOCK_EDIT,
_("Edit"), NULL,
G_CALLBACK (gimp_drawable_list_view_edit_clicked),
NULL,
view);
view->delete_button =
gimp_container_view_add_button (container_view,
GIMP_STOCK_DELETE,
_("Delete"), NULL,
G_CALLBACK (gimp_drawable_list_view_delete_clicked),
NULL,
view);
gtk_widget_set_sensitive (view->new_button, FALSE);
gtk_widget_set_sensitive (view->raise_button, FALSE);
gtk_widget_set_sensitive (view->lower_button, FALSE);
gtk_widget_set_sensitive (view->duplicate_button, FALSE);
gtk_widget_set_sensitive (view->edit_button, FALSE);
gtk_widget_set_sensitive (view->delete_button, FALSE);
}
static void
gimp_drawable_list_view_destroy (GtkObject *object)
{
GimpDrawableListView *view;
view = GIMP_DRAWABLE_LIST_VIEW (object);
if (view->gimage)
gimp_drawable_list_view_set_image (view, NULL);
if (view->signal_name)
{
g_free (view->signal_name);
view->signal_name = NULL;
}
if (GTK_OBJECT_CLASS (parent_class)->destroy)
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
GtkWidget *
gimp_drawable_list_view_new (gint preview_size,
GimpImage *gimage,
GtkType drawable_type,
const gchar *signal_name,
GimpGetContainerFunc get_container_func,
GimpGetDrawableFunc get_drawable_func,
GimpSetDrawableFunc set_drawable_func,
GimpReorderDrawableFunc reorder_drawable_func,
GimpAddDrawableFunc add_drawable_func,
GimpRemoveDrawableFunc remove_drawable_func,
GimpCopyDrawableFunc copy_drawable_func,
GimpNewDrawableFunc new_drawable_func,
GimpEditDrawableFunc edit_drawable_func,
GimpDrawableContextFunc drawable_context_func)
{
GimpDrawableListView *list_view;
GimpContainerView *view;
g_return_val_if_fail (preview_size > 0 && preview_size <= 64, NULL);
g_return_val_if_fail (! gimage || GIMP_IS_IMAGE (gimage), NULL);
g_return_val_if_fail (signal_name != NULL, NULL);
g_return_val_if_fail (get_container_func != NULL, NULL);
g_return_val_if_fail (get_drawable_func != NULL, NULL);
g_return_val_if_fail (get_drawable_func != NULL, NULL);
g_return_val_if_fail (reorder_drawable_func != NULL, NULL);
g_return_val_if_fail (add_drawable_func != NULL, NULL);
g_return_val_if_fail (remove_drawable_func != NULL, NULL);
g_return_val_if_fail (copy_drawable_func != NULL, NULL);
g_return_val_if_fail (new_drawable_func != NULL, NULL);
g_return_val_if_fail (edit_drawable_func != NULL, NULL);
g_return_val_if_fail (drawable_context_func != NULL, NULL);
if (drawable_type == GIMP_TYPE_LAYER)
{
list_view = gtk_type_new (GIMP_TYPE_LAYER_LIST_VIEW);
}
else if (drawable_type == GIMP_TYPE_CHANNEL)
{
list_view = gtk_type_new (GIMP_TYPE_CHANNEL_LIST_VIEW);
}
else
{
list_view = gtk_type_new (GIMP_TYPE_DRAWABLE_LIST_VIEW);
}
view = GIMP_CONTAINER_VIEW (list_view);
view->preview_size = preview_size;
list_view->drawable_type = drawable_type;
list_view->signal_name = g_strdup (signal_name);
list_view->get_container_func = get_container_func;
list_view->get_drawable_func = get_drawable_func;
list_view->set_drawable_func = set_drawable_func;
list_view->reorder_drawable_func = reorder_drawable_func;
list_view->add_drawable_func = add_drawable_func;
list_view->remove_drawable_func = remove_drawable_func;
list_view->copy_drawable_func = copy_drawable_func;
list_view->new_drawable_func = new_drawable_func;
list_view->edit_drawable_func = edit_drawable_func;
list_view->drawable_context_func = drawable_context_func;
/* connect "drop to new" manually as it makes a difference whether
* it was clicked or dropped
*/
gimp_gtk_drag_dest_set_by_type (list_view->new_button,
GTK_DEST_DEFAULT_ALL,
drawable_type,
GDK_ACTION_COPY);
gimp_dnd_viewable_dest_set (list_view->new_button,
drawable_type,
gimp_drawable_list_view_new_dropped,
view);
gimp_container_view_enable_dnd (view,
GTK_BUTTON (list_view->duplicate_button),
drawable_type);
gimp_container_view_enable_dnd (view,
GTK_BUTTON (list_view->edit_button),
drawable_type);
gimp_container_view_enable_dnd (view,
GTK_BUTTON (list_view->delete_button),
drawable_type);
gimp_drawable_list_view_set_image (list_view, gimage);
return GTK_WIDGET (list_view);
}
void
gimp_drawable_list_view_set_image (GimpDrawableListView *view,
GimpImage *gimage)
{
g_return_if_fail (GIMP_IS_DRAWABLE_LIST_VIEW (view));
g_return_if_fail (! gimage || GIMP_IS_IMAGE (gimage));
g_signal_emit (G_OBJECT (view), view_signals[SET_IMAGE], 0,
gimage);
}
static void
gimp_drawable_list_view_real_set_image (GimpDrawableListView *view,
GimpImage *gimage)
{
g_return_if_fail (GIMP_IS_DRAWABLE_LIST_VIEW (view));
g_return_if_fail (! gimage || GIMP_IS_IMAGE (gimage));
if (view->gimage == gimage)
return;
if (view->gimage)
{
g_signal_handlers_disconnect_by_func (G_OBJECT (view->gimage),
gimp_drawable_list_view_drawable_changed,
view);
g_signal_handlers_disconnect_by_func (G_OBJECT (view->gimage),
gimp_drawable_list_view_size_changed,
view);
g_signal_handlers_disconnect_by_func (G_OBJECT (view->gimage),
gimp_drawable_list_view_floating_selection_changed,
view);
gimp_container_view_set_container (GIMP_CONTAINER_VIEW (view), NULL);
}
view->gimage = gimage;
if (view->gimage)
{
GimpContainer *container;
container = view->get_container_func (view->gimage);
gimp_container_view_set_container (GIMP_CONTAINER_VIEW (view), container);
g_signal_connect (G_OBJECT (view->gimage), view->signal_name,
G_CALLBACK (gimp_drawable_list_view_drawable_changed),
view);
g_signal_connect (G_OBJECT (view->gimage), "size_changed",
G_CALLBACK (gimp_drawable_list_view_size_changed),
view);
g_signal_connect (G_OBJECT (view->gimage), "floating_selection_changed",
G_CALLBACK (gimp_drawable_list_view_floating_selection_changed),
view);
gimp_drawable_list_view_drawable_changed (view->gimage, view);
if (gimp_image_floating_sel (view->gimage))
gimp_drawable_list_view_floating_selection_changed (view->gimage, view);
}
gtk_widget_set_sensitive (view->new_button, (view->gimage != NULL));
}
/* GimpContainerView methods */
static gpointer
gimp_drawable_list_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gint index)
{
gpointer list_item = NULL;
if (GIMP_CONTAINER_VIEW_CLASS (parent_class)->insert_item)
list_item = GIMP_CONTAINER_VIEW_CLASS (parent_class)->insert_item (view,
viewable,
index);
if (list_item)
gimp_list_item_set_reorderable (GIMP_LIST_ITEM (list_item),
TRUE, view->container);
return list_item;
}
static void
gimp_drawable_list_view_select_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
GimpDrawableListView *list_view;
gboolean raise_sensitive = FALSE;
gboolean lower_sensitive = FALSE;
gboolean duplicate_sensitive = FALSE;
gboolean edit_sensitive = FALSE;
gboolean delete_sensitive = FALSE;
list_view = GIMP_DRAWABLE_LIST_VIEW (view);
if (GIMP_CONTAINER_VIEW_CLASS (parent_class)->select_item)
GIMP_CONTAINER_VIEW_CLASS (parent_class)->select_item (view,
item,
insert_data);
if (item)
{
GimpDrawable *drawable;
gint index;
drawable = list_view->get_drawable_func (list_view->gimage);
if (drawable != GIMP_DRAWABLE (item))
{
list_view->set_drawable_func (list_view->gimage,
GIMP_DRAWABLE (item));
gdisplays_flush ();
}
index = gimp_container_get_child_index (view->container,
GIMP_OBJECT (item));
if (view->container->num_children > 1)
{
if (index > 0)
raise_sensitive = TRUE;
if (index < (view->container->num_children - 1))
lower_sensitive = TRUE;
}
duplicate_sensitive = TRUE;
edit_sensitive = TRUE;
delete_sensitive = TRUE;
}
gtk_widget_set_sensitive (list_view->raise_button, raise_sensitive);
gtk_widget_set_sensitive (list_view->lower_button, lower_sensitive);
gtk_widget_set_sensitive (list_view->duplicate_button, duplicate_sensitive);
gtk_widget_set_sensitive (list_view->edit_button, edit_sensitive);
gtk_widget_set_sensitive (list_view->delete_button, delete_sensitive);
}
static void
gimp_drawable_list_view_activate_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
if (GIMP_CONTAINER_VIEW_CLASS (parent_class)->activate_item)
GIMP_CONTAINER_VIEW_CLASS (parent_class)->activate_item (view,
item,
insert_data);
gtk_button_clicked (GTK_BUTTON (GIMP_DRAWABLE_LIST_VIEW (view)->edit_button));
}
static void
gimp_drawable_list_view_context_item (GimpContainerView *view,
GimpViewable *item,
gpointer insert_data)
{
if (GIMP_CONTAINER_VIEW_CLASS (parent_class)->context_item)
GIMP_CONTAINER_VIEW_CLASS (parent_class)->context_item (view,
item,
insert_data);
GIMP_DRAWABLE_LIST_VIEW (view)->drawable_context_func
(gimp_drawable_gimage (GIMP_DRAWABLE (item)));
}
/* "New" functions */
static void
gimp_drawable_list_view_new_drawable (GimpDrawableListView *view,
GimpDrawable *drawable)
{
if (drawable)
{
g_print ("new with \"%s\"'s properties\n", GIMP_OBJECT (drawable)->name);
}
else
{
view->new_drawable_func (view->gimage);
}
}
static void
gimp_drawable_list_view_new_clicked (GtkWidget *widget,
GimpDrawableListView *view)
{
gimp_drawable_list_view_new_drawable (view, NULL);
}
static void
gimp_drawable_list_view_new_dropped (GtkWidget *widget,
GimpViewable *viewable,
gpointer data)
{
GimpDrawableListView *view;
view = (GimpDrawableListView *) data;
if (viewable && gimp_container_have (GIMP_CONTAINER_VIEW (view)->container,
GIMP_OBJECT (viewable)))
{
gimp_drawable_list_view_new_drawable (view, GIMP_DRAWABLE (viewable));
}
}
/* "Duplicate" functions */
static void
gimp_drawable_list_view_duplicate_clicked (GtkWidget *widget,
GimpDrawableListView *view)
{
GimpDrawable *drawable;
GimpDrawable *new_drawable;
drawable = view->get_drawable_func (view->gimage);
new_drawable = view->copy_drawable_func (drawable, TRUE);
view->add_drawable_func (view->gimage, new_drawable, -1);
gdisplays_flush ();
}
/* "Raise/Lower" functions */
static void
gimp_drawable_list_view_raise_clicked (GtkWidget *widget,
GimpDrawableListView *view)
{
GimpContainer *container;
GimpDrawable *drawable;
gint index;
container = GIMP_CONTAINER_VIEW (view)->container;
drawable = view->get_drawable_func (view->gimage);
index = gimp_container_get_child_index (container, GIMP_OBJECT (drawable));
if (index > 0)
{
view->reorder_drawable_func (view->gimage, drawable, index - 1, TRUE);
gdisplays_flush ();
}
}
static void
gimp_drawable_list_view_raise_extended_clicked (GtkWidget *widget,
guint state,
GimpDrawableListView *view)
{
GimpContainer *container;
GimpDrawable *drawable;
gint index;
container = GIMP_CONTAINER_VIEW (view)->container;
drawable = view->get_drawable_func (view->gimage);
index = gimp_container_get_child_index (container, GIMP_OBJECT (drawable));
if ((state & GDK_SHIFT_MASK) && (index > 0))
{
view->reorder_drawable_func (view->gimage, drawable, 0, TRUE);
gdisplays_flush ();
}
}
static void
gimp_drawable_list_view_lower_clicked (GtkWidget *widget,
GimpDrawableListView *view)
{
GimpContainer *container;
GimpDrawable *drawable;
gint index;
container = GIMP_CONTAINER_VIEW (view)->container;
drawable = view->get_drawable_func (view->gimage);
index = gimp_container_get_child_index (container, GIMP_OBJECT (drawable));
if (index < container->num_children - 1)
{
view->reorder_drawable_func (view->gimage, drawable, index + 1, TRUE);
gdisplays_flush ();
}
}
static void
gimp_drawable_list_view_lower_extended_clicked (GtkWidget *widget,
guint state,
GimpDrawableListView *view)
{
GimpContainer *container;
GimpDrawable *drawable;
gint index;
container = GIMP_CONTAINER_VIEW (view)->container;
drawable = view->get_drawable_func (view->gimage);
index = gimp_container_get_child_index (container, GIMP_OBJECT (drawable));
if ((state & GDK_SHIFT_MASK) && (index < container->num_children - 1))
{
view->reorder_drawable_func (view->gimage, drawable,
container->num_children - 1, TRUE);
gdisplays_flush ();
}
}
/* "Edit" functions */
static void
gimp_drawable_list_view_edit_clicked (GtkWidget *widget,
GimpDrawableListView *view)
{
GimpDrawable *drawable;
drawable = view->get_drawable_func (view->gimage);
view->edit_drawable_func (drawable);
}
/* "Delete" functions */
static void
gimp_drawable_list_view_delete_clicked (GtkWidget *widget,
GimpDrawableListView *view)
{
GimpDrawable *drawable;
drawable = view->get_drawable_func (view->gimage);
view->remove_drawable_func (view->gimage, drawable);
gdisplays_flush ();
}
/* GimpImage callbacks */
static void
gimp_drawable_list_view_drawable_changed (GimpImage *gimage,
GimpDrawableListView *view)
{
GimpDrawable *drawable;
drawable = view->get_drawable_func (gimage);
gimp_container_view_select_item (GIMP_CONTAINER_VIEW (view),
(GimpViewable *) drawable);
}
static void
gimp_drawable_list_view_size_changed (GimpImage *gimage,
GimpDrawableListView *view)
{
gint preview_size;
preview_size = GIMP_CONTAINER_VIEW (view)->preview_size;
gimp_container_view_set_preview_size (GIMP_CONTAINER_VIEW (view),
preview_size);
}
static void
gimp_drawable_list_view_floating_selection_changed (GimpImage *gimage,
GimpDrawableListView *view)
{
GimpViewable *floating_sel;
GList *list;
floating_sel = (GimpViewable *) gimp_image_floating_sel (gimage);
for (list = GTK_LIST (GIMP_CONTAINER_LIST_VIEW (view)->gtk_list)->children;
list;
list = g_list_next (list))
{
if (! (GIMP_PREVIEW (GIMP_LIST_ITEM (list->data)->preview)->viewable ==
floating_sel))
{
gtk_widget_set_sensitive (GTK_WIDGET (list->data),
floating_sel == NULL);
}
}
/* update button states */
gimp_drawable_list_view_drawable_changed (gimage, view);
}
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