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gimp/app/widgets/gimpvectorstreeview.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpvectorstreeview.c
* Copyright (C) 2001-2004 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/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "vectors/gimpvectors.h"
#include "vectors/gimpvectors-export.h"
#include "vectors/gimpvectors-import.h"
#include "gimpcontainerview.h"
#include "gimpvectorstreeview.h"
#include "gimpdnd.h"
#include "gimphelp-ids.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
static void gimp_vectors_tree_view_class_init (GimpVectorsTreeViewClass *klass);
static void gimp_vectors_tree_view_init (GimpVectorsTreeView *view);
static void gimp_vectors_tree_view_view_iface_init (GimpContainerViewInterface *view_iface);
static GObject * gimp_vectors_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_vectors_tree_view_set_container (GimpContainerView *view,
GimpContainer *container);
static void gimp_vectors_tree_view_drop_svg (GimpContainerTreeView *tree_view,
const gchar *svg_data,
gsize svg_data_len,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static guchar * gimp_vectors_tree_view_drag_svg (GtkWidget *widget,
gsize *svg_data_len,
gpointer data);
static GimpItemTreeViewClass *parent_class = NULL;
static GimpContainerViewInterface *parent_view_iface = NULL;
GType
gimp_vectors_tree_view_get_type (void)
{
static GType view_type = 0;
if (! view_type)
{
static const GTypeInfo view_info =
{
sizeof (GimpVectorsTreeViewClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_vectors_tree_view_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpVectorsTreeView),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_vectors_tree_view_init,
};
static const GInterfaceInfo view_iface_info =
{
(GInterfaceInitFunc) gimp_vectors_tree_view_view_iface_init,
NULL, /* iface_finalize */
NULL /* iface_data */
};
view_type = g_type_register_static (GIMP_TYPE_ITEM_TREE_VIEW,
"GimpVectorsTreeView",
&view_info, 0);
g_type_add_interface_static (view_type, GIMP_TYPE_CONTAINER_VIEW,
&view_iface_info);
}
return view_type;
}
static void
gimp_vectors_tree_view_class_init (GimpVectorsTreeViewClass *klass)
{
GObjectClass *object_class;
GimpContainerTreeViewClass *view_class;
GimpItemTreeViewClass *item_view_class;
object_class = G_OBJECT_CLASS (klass);
view_class = GIMP_CONTAINER_TREE_VIEW_CLASS (klass);
item_view_class = GIMP_ITEM_TREE_VIEW_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->constructor = gimp_vectors_tree_view_constructor;
view_class->drop_svg = gimp_vectors_tree_view_drop_svg;
item_view_class->get_container = gimp_image_get_vectors;
item_view_class->get_active_item = (GimpGetItemFunc) gimp_image_get_active_vectors;
item_view_class->set_active_item = (GimpSetItemFunc) gimp_image_set_active_vectors;
item_view_class->reorder_item = (GimpReorderItemFunc) gimp_image_position_vectors;
item_view_class->add_item = (GimpAddItemFunc) gimp_image_add_vectors;
item_view_class->remove_item = (GimpRemoveItemFunc) gimp_image_remove_vectors;
item_view_class->edit_desc = _("Edit path attributes");
item_view_class->edit_help_id = GIMP_HELP_PATH_EDIT;
item_view_class->new_desc = _("New path\n%s new path dialog");
item_view_class->new_help_id = GIMP_HELP_PATH_NEW;
item_view_class->duplicate_desc = _("Duplicate path");
item_view_class->duplicate_help_id = GIMP_HELP_PATH_DUPLICATE;
item_view_class->delete_desc = _("Delete path");
item_view_class->delete_help_id = GIMP_HELP_PATH_DELETE;
item_view_class->raise_desc = _("Raise path");
item_view_class->raise_help_id = GIMP_HELP_PATH_RAISE;
item_view_class->raise_to_top_desc = _("Raise path to top");
item_view_class->raise_to_top_help_id = GIMP_HELP_PATH_RAISE_TO_TOP;
item_view_class->lower_desc = _("Lower path");
item_view_class->lower_help_id = GIMP_HELP_PATH_LOWER;
item_view_class->lower_to_bottom_desc = _("Lower path to bottom");
item_view_class->lower_to_bottom_help_id = GIMP_HELP_PATH_LOWER_TO_BOTTOM;
item_view_class->reorder_desc = _("Reorder path");
}
static void
gimp_vectors_tree_view_init (GimpVectorsTreeView *view)
{
}
static void
gimp_vectors_tree_view_view_iface_init (GimpContainerViewInterface *view_iface)
{
parent_view_iface = g_type_interface_peek_parent (view_iface);
view_iface->set_container = gimp_vectors_tree_view_set_container;
}
static GObject *
gimp_vectors_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpEditor *editor;
GimpContainerTreeView *tree_view;
GimpVectorsTreeView *view;
gchar *str;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
editor = GIMP_EDITOR (object);
tree_view = GIMP_CONTAINER_TREE_VIEW (object);
view = GIMP_VECTORS_TREE_VIEW (object);
/* Hide basically useless Edit button */
gtk_widget_hide (GIMP_ITEM_TREE_VIEW (view)->edit_button);
str = g_strdup_printf (_("Path to Selection\n"
"%s Add\n"
"%s Subtract\n"
"%s Intersect"),
gimp_get_mod_string (GDK_SHIFT_MASK),
gimp_get_mod_string (GDK_CONTROL_MASK),
gimp_get_mod_string (GDK_SHIFT_MASK |
GDK_CONTROL_MASK));
view->toselection_button =
gimp_editor_add_action_button (editor, "vectors",
"vectors-selection-replace",
"vectors-selection-intersect",
GDK_SHIFT_MASK | GDK_CONTROL_MASK,
"vectors-selection-subtract",
GDK_CONTROL_MASK,
"vectors-selection-add",
GDK_SHIFT_MASK,
NULL);
gimp_help_set_help_data (view->toselection_button, str,
GIMP_HELP_PATH_SELECTION_REPLACE);
g_free (str);
str = g_strdup_printf (_("Selection to Path\n"
"%s Advanced Options"),
gimp_get_mod_string (GDK_SHIFT_MASK));
view->tovectors_button =
gimp_editor_add_action_button (editor, "vectors",
"vectors-selection-to-vectors",
"vectors-selection-to-vectors-advanced",
GDK_SHIFT_MASK,
NULL);
gimp_help_set_help_data (view->tovectors_button, str,
GIMP_HELP_SELECTION_TO_PATH);
g_free (str);
view->stroke_button =
gimp_editor_add_action_button (editor, "vectors",
"vectors-stroke", NULL);
gtk_box_reorder_child (GTK_BOX (editor->button_box),
view->toselection_button, 5);
gtk_box_reorder_child (GTK_BOX (editor->button_box),
view->tovectors_button, 6);
gtk_box_reorder_child (GTK_BOX (editor->button_box),
view->stroke_button, 7);
gimp_dnd_svg_dest_add (GTK_WIDGET (tree_view->view), NULL, view);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (editor),
GTK_BUTTON (view->toselection_button),
GIMP_TYPE_VECTORS);
gimp_container_view_enable_dnd (GIMP_CONTAINER_VIEW (editor),
GTK_BUTTON (view->stroke_button),
GIMP_TYPE_VECTORS);
return object;
}
static void
gimp_vectors_tree_view_set_container (GimpContainerView *view,
GimpContainer *container)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GimpContainer *old_container;
old_container = gimp_container_view_get_container (GIMP_CONTAINER_VIEW (view));
if (old_container && ! container)
{
gimp_dnd_svg_source_remove (GTK_WIDGET (tree_view->view));
}
parent_view_iface->set_container (view, container);
if (! old_container && container)
{
gimp_dnd_svg_source_add (GTK_WIDGET (tree_view->view),
gimp_vectors_tree_view_drag_svg,
tree_view);
}
}
static void
gimp_vectors_tree_view_drop_svg (GimpContainerTreeView *tree_view,
const gchar *svg_data,
gsize svg_data_len,
GimpViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos)
{
GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (tree_view);
GimpImage *gimage = view->gimage;
GError *error = NULL;
gint index;
g_print ("%s: SVG dropped (len = %d)\n", G_STRFUNC, svg_data_len);
index = gimp_image_get_vectors_index (gimage, GIMP_VECTORS (dest_viewable));
if (drop_pos == GTK_TREE_VIEW_DROP_AFTER)
index++;
if (! gimp_vectors_import_buffer (gimage, svg_data, svg_data_len,
TRUE, TRUE, index, &error))
{
g_message (error->message);
g_clear_error (&error);
}
else
{
gimp_image_flush (gimage);
}
}
static guchar *
gimp_vectors_tree_view_drag_svg (GtkWidget *widget,
gsize *svg_data_len,
gpointer data)
{
GimpItemTreeView *view = GIMP_ITEM_TREE_VIEW (data);
GimpImage *gimage = view->gimage;
GimpItem *item;
gchar *svg_data = NULL;
item = GIMP_ITEM_TREE_VIEW_GET_CLASS (view)->get_active_item (gimage);
*svg_data_len = 0;
if (item)
{
svg_data = gimp_vectors_export_string (gimage, GIMP_VECTORS (item));
if (svg_data)
*svg_data_len = strlen (svg_data) + 1;
}
return (guchar *) svg_data;
}
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