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gimp/app/widgets/gimpcontainerentry.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontainerentry.c
* Copyright (C) 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "widgets-types.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpviewable.h"
#include "gimpcellrendererviewable.h"
#include "gimpcontainerentry.h"
#include "gimpcontainerview.h"
#include "gimpviewrenderer.h"
#define gimp_container_entry_get_model(entry) \
gtk_entry_completion_get_model (gtk_entry_get_completion (GTK_ENTRY (entry)))
static void gimp_container_entry_view_iface_init (GimpContainerViewInterface *iface);
static void gimp_container_entry_set_context (GimpContainerView *view,
GimpContext *context);
static gpointer gimp_container_entry_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer parent_insert_data,
gint index);
static void gimp_container_entry_remove_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static void gimp_container_entry_reorder_item (GimpContainerView *view,
GimpViewable *viewable,
gint new_index,
gpointer insert_data);
static void gimp_container_entry_rename_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static gboolean gimp_container_entry_select_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static void gimp_container_entry_clear_items (GimpContainerView *view);
static void gimp_container_entry_set_view_size (GimpContainerView *view);
static void gimp_container_entry_changed (GtkEntry *entry,
GimpContainerView *view);
static void gimp_container_entry_match_selected (GtkEntryCompletion *widget,
GtkTreeModel *model,
GtkTreeIter *iter,
GimpContainerView *view);
static void gimp_container_entry_renderer_update (GimpViewRenderer *renderer,
GimpContainerView *view);
G_DEFINE_TYPE_WITH_CODE (GimpContainerEntry, gimp_container_entry,
GTK_TYPE_ENTRY,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
gimp_container_entry_view_iface_init))
#define parent_class gimp_container_entry_parent_class
static GimpContainerViewInterface *parent_view_iface = NULL;
static void
gimp_container_entry_class_init (GimpContainerEntryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gimp_container_view_set_property;
object_class->get_property = gimp_container_view_get_property;
gimp_container_view_install_properties (object_class);
}
static void
gimp_container_entry_view_iface_init (GimpContainerViewInterface *iface)
{
parent_view_iface = g_type_interface_peek_parent (iface);
if (! parent_view_iface)
parent_view_iface = g_type_default_interface_peek (GIMP_TYPE_CONTAINER_VIEW);
iface->set_context = gimp_container_entry_set_context;
iface->insert_item = gimp_container_entry_insert_item;
iface->remove_item = gimp_container_entry_remove_item;
iface->reorder_item = gimp_container_entry_reorder_item;
iface->rename_item = gimp_container_entry_rename_item;
iface->select_item = gimp_container_entry_select_item;
iface->clear_items = gimp_container_entry_clear_items;
iface->set_view_size = gimp_container_entry_set_view_size;
iface->insert_data_free = (GDestroyNotify) gtk_tree_iter_free;
}
static void
gimp_container_entry_init (GimpContainerEntry *entry)
{
GtkEntryCompletion *completion;
GtkListStore *store;
GtkCellRenderer *cell;
completion = g_object_new (GTK_TYPE_ENTRY_COMPLETION,
"inline-completion", TRUE,
"popup-single-match", FALSE,
"popup-set-width", FALSE,
NULL);
store = gtk_list_store_new (GIMP_CONTAINER_ENTRY_N_COLUMNS,
GIMP_TYPE_VIEW_RENDERER,
G_TYPE_STRING);
gtk_entry_completion_set_model (completion, GTK_TREE_MODEL (store));
g_object_unref (store);
gtk_entry_set_completion (GTK_ENTRY (entry), completion);
g_signal_connect (completion, "match-selected",
G_CALLBACK (gimp_container_entry_match_selected),
entry);
g_object_unref (completion);
/* FIXME: This can be done better with GTK+ 2.6. */
cell = gimp_cell_renderer_viewable_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (completion), cell, FALSE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (completion), cell,
"renderer",
GIMP_CONTAINER_ENTRY_COLUMN_RENDERER,
NULL);
gtk_entry_completion_set_text_column (completion,
GIMP_CONTAINER_ENTRY_COLUMN_NAME);
g_signal_connect (entry, "changed",
G_CALLBACK (gimp_container_entry_changed),
entry);
}
GtkWidget *
gimp_container_entry_new (GimpContainer *container,
GimpContext *context,
gint view_size,
gint view_border_width)
{
GtkWidget *entry;
GimpContainerView *view;
g_return_val_if_fail (container == NULL || GIMP_IS_CONTAINER (container),
NULL);
g_return_val_if_fail (context == NULL || GIMP_IS_CONTEXT (context), NULL);
entry = g_object_new (GIMP_TYPE_CONTAINER_ENTRY, NULL);
view = GIMP_CONTAINER_VIEW (entry);
gimp_container_view_set_view_size (view, view_size, view_border_width);
if (container)
gimp_container_view_set_container (view, container);
if (context)
gimp_container_view_set_context (view, context);
return entry;
}
static void
gimp_container_entry_set (GimpContainerEntry *entry,
GtkTreeIter *iter,
GimpViewable *viewable)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (entry);
GtkTreeModel *model = gimp_container_entry_get_model (entry);
GimpViewRenderer *renderer;
gint view_size;
gint border_width;
view_size = gimp_container_view_get_view_size (view, &border_width);
renderer = gimp_view_renderer_new (gimp_container_view_get_context (view),
G_TYPE_FROM_INSTANCE (viewable),
view_size, border_width,
FALSE);
gimp_view_renderer_set_viewable (renderer, viewable);
gimp_view_renderer_remove_idle (renderer);
g_signal_connect (renderer, "update",
G_CALLBACK (gimp_container_entry_renderer_update),
view);
gtk_list_store_set (GTK_LIST_STORE (model), iter,
GIMP_CONTAINER_ENTRY_COLUMN_RENDERER,
renderer,
GIMP_CONTAINER_ENTRY_COLUMN_NAME,
gimp_object_get_name (viewable),
-1);
g_object_unref (renderer);
}
/* GimpContainerView methods */
static void
gimp_container_entry_set_context (GimpContainerView *view,
GimpContext *context)
{
GtkTreeModel *model = gimp_container_entry_get_model (view);
parent_view_iface->set_context (view, context);
if (model)
{
GtkTreeIter iter;
gboolean iter_valid;
for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, &iter))
{
GimpViewRenderer *renderer;
gtk_tree_model_get (model, &iter,
GIMP_CONTAINER_ENTRY_COLUMN_RENDERER, &renderer,
-1);
gimp_view_renderer_set_context (renderer, context);
g_object_unref (renderer);
}
}
}
static gpointer
gimp_container_entry_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer parent_insert_data,
gint index)
{
GtkTreeModel *model = gimp_container_entry_get_model (view);
GtkTreeIter iter;
if (index == -1)
gtk_list_store_append (GTK_LIST_STORE (model), &iter);
else
gtk_list_store_insert (GTK_LIST_STORE (model), &iter, index);
gimp_container_entry_set (GIMP_CONTAINER_ENTRY (view), &iter, viewable);
return gtk_tree_iter_copy (&iter);
}
static void
gimp_container_entry_remove_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GtkTreeModel *model = gimp_container_entry_get_model (view);
GtkTreeIter *iter = insert_data;
if (iter)
gtk_list_store_remove (GTK_LIST_STORE (model), iter);
}
static void
gimp_container_entry_reorder_item (GimpContainerView *view,
GimpViewable *viewable,
gint new_index,
gpointer insert_data)
{
GtkTreeModel *model = gimp_container_entry_get_model (view);
GimpContainer *container = gimp_container_view_get_container (view);
GtkTreeIter *iter = insert_data;
if (!iter)
return;
if (new_index == -1 ||
new_index == gimp_container_get_n_children (container) - 1)
{
gtk_list_store_move_before (GTK_LIST_STORE (model), iter, NULL);
}
else if (new_index == 0)
{
gtk_list_store_move_after (GTK_LIST_STORE (model), iter, NULL);
}
else
{
GtkTreePath *path;
gint old_index;
path = gtk_tree_model_get_path (model, iter);
old_index = gtk_tree_path_get_indices (path)[0];
gtk_tree_path_free (path);
if (new_index != old_index)
{
GtkTreeIter place;
path = gtk_tree_path_new_from_indices (new_index, -1);
gtk_tree_model_get_iter (model, &place, path);
gtk_tree_path_free (path);
if (new_index > old_index)
gtk_list_store_move_after (GTK_LIST_STORE (model), iter, &place);
else
gtk_list_store_move_before (GTK_LIST_STORE (model), iter, &place);
}
}
}
static void
gimp_container_entry_rename_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GtkTreeModel *model = gimp_container_entry_get_model (view);
GtkTreeIter *iter = insert_data;
if (iter)
gtk_list_store_set (GTK_LIST_STORE (model), iter,
GIMP_CONTAINER_ENTRY_COLUMN_NAME,
gimp_object_get_name (viewable),
-1);
}
static gboolean
gimp_container_entry_select_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GtkEntry *entry = GTK_ENTRY (view);
GtkTreeIter *iter = insert_data;
g_signal_handlers_block_by_func (entry,
gimp_container_entry_changed,
view);
gtk_entry_set_text (entry, iter ? gimp_object_get_name (viewable) : "");
g_signal_handlers_unblock_by_func (entry,
gimp_container_entry_changed,
view);
return TRUE;
}
static void
gimp_container_entry_clear_items (GimpContainerView *view)
{
GtkTreeModel *model = gimp_container_entry_get_model (view);
gtk_list_store_clear (GTK_LIST_STORE (model));
parent_view_iface->clear_items (view);
}
static void
gimp_container_entry_set_view_size (GimpContainerView *view)
{
GtkTreeModel *model = gimp_container_entry_get_model (view);
GtkTreeIter iter;
gboolean iter_valid;
gint view_size;
gint border_width;
if (! model)
return;
view_size = gimp_container_view_get_view_size (view, &border_width);
for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, &iter))
{
GimpViewRenderer *renderer;
gtk_tree_model_get (model, &iter,
GIMP_CONTAINER_ENTRY_COLUMN_RENDERER, &renderer,
-1);
gimp_view_renderer_set_size (renderer, view_size, border_width);
g_object_unref (renderer);
}
}
static void
gimp_container_entry_changed (GtkEntry *entry,
GimpContainerView *view)
{
GimpContainer *container = gimp_container_view_get_container (view);
GimpObject *object;
const gchar *text;
if (! container)
return;
text = gtk_entry_get_text (entry);
object = gimp_container_get_child_by_name (container, text);
if (object)
gimp_container_view_item_selected (view, GIMP_VIEWABLE (object));
}
static void
gimp_container_entry_match_selected (GtkEntryCompletion *widget,
GtkTreeModel *model,
GtkTreeIter *iter,
GimpContainerView *view)
{
GimpViewRenderer *renderer;
gtk_tree_model_get (model, iter,
GIMP_CONTAINER_ENTRY_COLUMN_RENDERER, &renderer,
-1);
gimp_container_view_item_selected (view, renderer->viewable);
g_object_unref (renderer);
}
static void
gimp_container_entry_renderer_update (GimpViewRenderer *renderer,
GimpContainerView *view)
{
GtkTreeIter *iter = gimp_container_view_lookup (view, renderer->viewable);
if (iter)
{
GtkTreeModel *model = gimp_container_entry_get_model (view);
GtkTreePath *path = gtk_tree_model_get_path (model, iter);
gtk_tree_model_row_changed (model, path, iter);
gtk_tree_path_free (path);
}
}
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