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gimp/app/widgets/gimpcontainertreeview.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpcontainertreeview.c
* Copyright (C) 2003-2004 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/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpviewable.h"
#include "gimpcellrendererviewable.h"
#include "gimpcontainertreeview.h"
#include "gimpcontainertreeview-dnd.h"
#include "gimpcontainerview.h"
#include "gimpdnd.h"
#include "gimpviewrenderer.h"
#include "gimpwidgets-utils.h"
enum
{
COLUMN_RENDERER,
COLUMN_NAME,
COLUMN_NAME_ATTRIBUTES,
NUM_COLUMNS
};
static void gimp_container_tree_view_view_iface_init (GimpContainerViewInterface *iface);
static GObject *gimp_container_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_container_tree_view_unrealize (GtkWidget *widget);
static void gimp_container_tree_view_unmap (GtkWidget *widget);
static gboolean gimp_container_tree_view_popup_menu (GtkWidget *widget);
static void gimp_container_tree_view_set_container (GimpContainerView *view,
GimpContainer *container);
static void gimp_container_tree_view_set_context (GimpContainerView *view,
GimpContext *context);
static gpointer gimp_container_tree_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gint index);
static void gimp_container_tree_view_remove_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static void gimp_container_tree_view_reorder_item (GimpContainerView *view,
GimpViewable *viewable,
gint new_index,
gpointer insert_data);
static void gimp_container_tree_view_rename_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static gboolean gimp_container_tree_view_select_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data);
static void gimp_container_tree_view_clear_items (GimpContainerView *view);
static void gimp_container_tree_view_set_view_size (GimpContainerView *view);
static void gimp_container_tree_view_name_canceled (GtkCellRendererText *cell,
GimpContainerTreeView *tree_view);
static void gimp_container_tree_view_selection_changed (GtkTreeSelection *sel,
GimpContainerTreeView *tree_view);
static gboolean gimp_container_tree_view_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpContainerTreeView *tree_view);
static void gimp_container_tree_view_renderer_update (GimpViewRenderer *renderer,
GimpContainerTreeView *tree_view);
static GimpViewable * gimp_container_tree_view_drag_viewable (GtkWidget *widget,
GimpContext **context,
gpointer data);
static GdkPixbuf * gimp_container_tree_view_drag_pixbuf (GtkWidget *widget,
gpointer data);
G_DEFINE_TYPE_WITH_CODE (GimpContainerTreeView, gimp_container_tree_view,
GIMP_TYPE_CONTAINER_BOX,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONTAINER_VIEW,
gimp_container_tree_view_view_iface_init))
#define parent_class gimp_container_tree_view_parent_class
static GimpContainerViewInterface *parent_view_iface = NULL;
static void
gimp_container_tree_view_class_init (GimpContainerTreeViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->constructor = gimp_container_tree_view_constructor;
widget_class->unrealize = gimp_container_tree_view_unrealize;
widget_class->unmap = gimp_container_tree_view_unmap;
widget_class->popup_menu = gimp_container_tree_view_popup_menu;
klass->drop_possible = gimp_container_tree_view_real_drop_possible;
klass->drop_viewable = gimp_container_tree_view_real_drop_viewable;
klass->drop_color = NULL;
klass->drop_uri_list = NULL;
klass->drop_svg = NULL;
klass->drop_component = NULL;
klass->drop_pixbuf = NULL;
}
static void
gimp_container_tree_view_view_iface_init (GimpContainerViewInterface *iface)
{
parent_view_iface = g_type_interface_peek_parent (iface);
iface->set_container = gimp_container_tree_view_set_container;
iface->set_context = gimp_container_tree_view_set_context;
iface->insert_item = gimp_container_tree_view_insert_item;
iface->remove_item = gimp_container_tree_view_remove_item;
iface->reorder_item = gimp_container_tree_view_reorder_item;
iface->rename_item = gimp_container_tree_view_rename_item;
iface->select_item = gimp_container_tree_view_select_item;
iface->clear_items = gimp_container_tree_view_clear_items;
iface->set_view_size = gimp_container_tree_view_set_view_size;
iface->insert_data_free = (GDestroyNotify) g_free;
}
static void
gimp_container_tree_view_init (GimpContainerTreeView *tree_view)
{
GimpContainerBox *box = GIMP_CONTAINER_BOX (tree_view);
tree_view->n_model_columns = NUM_COLUMNS;
tree_view->model_columns[COLUMN_RENDERER] = GIMP_TYPE_VIEW_RENDERER;
tree_view->model_columns[COLUMN_NAME] = G_TYPE_STRING;
tree_view->model_columns[COLUMN_NAME_ATTRIBUTES] = PANGO_TYPE_ATTR_LIST;
tree_view->model_column_renderer = COLUMN_RENDERER;
tree_view->model_column_name = COLUMN_NAME;
tree_view->model_column_name_attributes = COLUMN_NAME_ATTRIBUTES;
gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (box->scrolled_win),
GTK_SHADOW_IN);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (box->scrolled_win),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
}
static GObject *
gimp_container_tree_view_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GimpContainerTreeView *tree_view;
GimpContainerView *view;
GimpContainerBox *box;
GtkListStore *list;
GObject *object;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
tree_view = GIMP_CONTAINER_TREE_VIEW (object);
view = GIMP_CONTAINER_VIEW (object);
box = GIMP_CONTAINER_BOX (object);
list = gtk_list_store_newv (tree_view->n_model_columns,
tree_view->model_columns);
tree_view->model = GTK_TREE_MODEL (list);
tree_view->view = g_object_new (GTK_TYPE_TREE_VIEW,
"model", list,
"search-column", COLUMN_NAME,
"enable-search", FALSE,
"headers-visible", FALSE,
NULL);
g_object_unref (list);
gtk_container_add (GTK_CONTAINER (box->scrolled_win),
GTK_WIDGET (tree_view->view));
gtk_widget_show (GTK_WIDGET (tree_view->view));
gimp_container_view_set_dnd_widget (view, GTK_WIDGET (tree_view->view));
tree_view->main_column = gtk_tree_view_column_new ();
gtk_tree_view_insert_column (tree_view->view, tree_view->main_column, 0);
tree_view->renderer_cell = gimp_cell_renderer_viewable_new ();
gtk_tree_view_column_pack_start (tree_view->main_column,
tree_view->renderer_cell,
FALSE);
gtk_tree_view_column_set_attributes (tree_view->main_column,
tree_view->renderer_cell,
"renderer", COLUMN_RENDERER,
NULL);
tree_view->name_cell = gtk_cell_renderer_text_new ();
g_object_set (tree_view->name_cell, "xalign", 0.0, NULL);
gtk_tree_view_column_pack_end (tree_view->main_column,
tree_view->name_cell,
FALSE);
gtk_tree_view_column_set_attributes (tree_view->main_column,
tree_view->name_cell,
"text", COLUMN_NAME,
"attributes", COLUMN_NAME_ATTRIBUTES,
NULL);
g_signal_connect (tree_view->name_cell, "editing-canceled",
G_CALLBACK (gimp_container_tree_view_name_canceled),
tree_view);
tree_view->renderer_cells = g_list_prepend (tree_view->renderer_cells,
tree_view->renderer_cell);
tree_view->selection = gtk_tree_view_get_selection (tree_view->view);
g_signal_connect (tree_view->selection, "changed",
G_CALLBACK (gimp_container_tree_view_selection_changed),
tree_view);
g_signal_connect (tree_view->view, "drag-leave",
G_CALLBACK (gimp_container_tree_view_drag_leave),
tree_view);
g_signal_connect (tree_view->view, "drag-motion",
G_CALLBACK (gimp_container_tree_view_drag_motion),
tree_view);
g_signal_connect (tree_view->view, "drag-drop",
G_CALLBACK (gimp_container_tree_view_drag_drop),
tree_view);
g_signal_connect (tree_view->view, "drag-data-received",
G_CALLBACK (gimp_container_tree_view_drag_data_received),
tree_view);
return object;
}
static void
gimp_container_tree_view_unrealize (GtkWidget *widget)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (widget);
GtkTreeIter iter;
gboolean iter_valid;
for (iter_valid = gtk_tree_model_get_iter_first (tree_view->model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (tree_view->model, &iter))
{
GimpViewRenderer *renderer;
gtk_tree_model_get (tree_view->model, &iter,
COLUMN_RENDERER, &renderer,
-1);
gimp_view_renderer_unrealize (renderer);
g_object_unref (renderer);
}
GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
}
static void
gimp_container_tree_view_unmap (GtkWidget *widget)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (widget);
if (tree_view->scroll_timeout_id)
{
g_source_remove (tree_view->scroll_timeout_id);
tree_view->scroll_timeout_id = 0;
}
GTK_WIDGET_CLASS (parent_class)->unmap (widget);
}
static void
gimp_container_tree_view_menu_position (GtkMenu *menu,
gint *x,
gint *y,
gpointer data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (data);
GtkWidget *widget = GTK_WIDGET (tree_view->view);
GtkTreeIter selected_iter;
gdk_window_get_origin (widget->window, x, y);
if (GTK_WIDGET_NO_WINDOW (widget))
{
*x += widget->allocation.x;
*y += widget->allocation.y;
}
if (gtk_tree_selection_get_selected (tree_view->selection, NULL,
&selected_iter))
{
GtkTreePath *path;
GdkRectangle cell_rect;
gint center;
path = gtk_tree_model_get_path (tree_view->model, &selected_iter);
gtk_tree_view_get_cell_area (tree_view->view, path,
tree_view->main_column, &cell_rect);
gtk_tree_path_free (path);
center = cell_rect.y + cell_rect.height / 2;
center = CLAMP (center, 0, widget->allocation.height);
*x += widget->allocation.width / 2;
*y += center;
}
else
{
*x += widget->style->xthickness;
*y += widget->style->ythickness;
}
gimp_menu_position (menu, x, y);
}
static gboolean
gimp_container_tree_view_popup_menu (GtkWidget *widget)
{
return gimp_editor_popup_menu (GIMP_EDITOR (widget),
gimp_container_tree_view_menu_position,
widget);
}
GtkWidget *
gimp_container_tree_view_new (GimpContainer *container,
GimpContext *context,
gint view_size,
gint view_border_width)
{
GimpContainerTreeView *tree_view;
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);
g_return_val_if_fail (view_size > 0 &&
view_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
NULL);
tree_view = g_object_new (GIMP_TYPE_CONTAINER_TREE_VIEW, NULL);
view = GIMP_CONTAINER_VIEW (tree_view);
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 GTK_WIDGET (tree_view);
}
static void
gimp_container_tree_view_set (GimpContainerTreeView *tree_view,
GtkTreeIter *iter,
GimpViewable *viewable)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (tree_view);
GimpViewRenderer *renderer;
gchar *name;
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_tree_view_renderer_update),
tree_view);
name = gimp_viewable_get_description (viewable, NULL);
gtk_list_store_set (GTK_LIST_STORE (tree_view->model), iter,
COLUMN_RENDERER, renderer,
COLUMN_NAME, name,
-1);
g_free (name);
g_object_unref (renderer);
}
/* GimpContainerView methods */
static void
gimp_container_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 (view);
if (old_container)
{
if (! container)
{
if (gimp_dnd_viewable_source_remove (GTK_WIDGET (tree_view->view),
old_container->children_type))
{
if (GIMP_VIEWABLE_CLASS (g_type_class_peek (old_container->children_type))->get_size)
gimp_dnd_pixbuf_source_remove (GTK_WIDGET (tree_view->view));
gtk_drag_source_unset (GTK_WIDGET (tree_view->view));
}
g_signal_handlers_disconnect_by_func (tree_view->view,
gimp_container_tree_view_button_press,
tree_view);
}
}
else if (container)
{
if (gimp_dnd_drag_source_set_by_type (GTK_WIDGET (tree_view->view),
GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
container->children_type,
GDK_ACTION_COPY))
{
gimp_dnd_viewable_source_add (GTK_WIDGET (tree_view->view),
container->children_type,
gimp_container_tree_view_drag_viewable,
tree_view);
if (GIMP_VIEWABLE_CLASS (g_type_class_peek (container->children_type))->get_size)
gimp_dnd_pixbuf_source_add (GTK_WIDGET (tree_view->view),
gimp_container_tree_view_drag_pixbuf,
tree_view);
}
/* connect button_press_event after DND so we can keep the list from
* selecting the item on button2
*/
g_signal_connect (tree_view->view, "button-press-event",
G_CALLBACK (gimp_container_tree_view_button_press),
tree_view);
}
parent_view_iface->set_container (view, container);
}
static void
gimp_container_tree_view_set_context (GimpContainerView *view,
GimpContext *context)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
parent_view_iface->set_context (view, context);
if (tree_view->model)
{
GtkTreeIter iter;
gboolean iter_valid;
for (iter_valid = gtk_tree_model_get_iter_first (tree_view->model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (tree_view->model, &iter))
{
GimpViewRenderer *renderer;
gtk_tree_model_get (tree_view->model, &iter,
COLUMN_RENDERER, &renderer,
-1);
gimp_view_renderer_set_context (renderer, context);
g_object_unref (renderer);
}
}
}
static gpointer
gimp_container_tree_view_insert_item (GimpContainerView *view,
GimpViewable *viewable,
gint index)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter;
iter = g_new0 (GtkTreeIter, 1);
if (index == -1)
gtk_list_store_append (GTK_LIST_STORE (tree_view->model), iter);
else
gtk_list_store_insert (GTK_LIST_STORE (tree_view->model), iter, index);
gimp_container_tree_view_set (tree_view, iter, viewable);
return (gpointer) iter;
}
static void
gimp_container_tree_view_remove_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
if (iter)
{
gtk_list_store_remove (GTK_LIST_STORE (tree_view->model), iter);
#ifdef __GNUC__
#warning FIXME: remove this hack as soon as bug #149906 is fixed
#endif
/* if the store is empty after this remove, clear out renderers
* from all cells so they don't keep refing the viewables
*/
if (! gtk_tree_model_iter_n_children (tree_view->model, NULL))
{
GList *list;
for (list = tree_view->renderer_cells; list; list = g_list_next (list))
g_object_set (list->data, "renderer", NULL, NULL);
}
}
}
static void
gimp_container_tree_view_reorder_item (GimpContainerView *view,
GimpViewable *viewable,
gint new_index,
gpointer insert_data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
if (iter)
{
GimpContainer *container;
GtkTreePath *path;
GtkTreeIter selected_iter;
gboolean selected;
container = gimp_container_view_get_container (view);
selected = gtk_tree_selection_get_selected (tree_view->selection,
NULL, &selected_iter);
if (selected)
{
GimpViewRenderer *renderer;
gtk_tree_model_get (tree_view->model, &selected_iter,
COLUMN_RENDERER, &renderer,
-1);
if (renderer->viewable != viewable)
selected = FALSE;
g_object_unref (renderer);
}
if (new_index == -1 || new_index == container->num_children - 1)
{
gtk_list_store_move_before (GTK_LIST_STORE (tree_view->model),
iter, NULL);
}
else if (new_index == 0)
{
gtk_list_store_move_after (GTK_LIST_STORE (tree_view->model),
iter, NULL);
}
else
{
GtkTreeIter place_iter;
gint old_index;
path = gtk_tree_model_get_path (tree_view->model, iter);
old_index = gtk_tree_path_get_indices (path)[0];
gtk_tree_path_free (path);
if (new_index != old_index)
{
path = gtk_tree_path_new_from_indices (new_index, -1);
gtk_tree_model_get_iter (tree_view->model, &place_iter, path);
gtk_tree_path_free (path);
if (new_index > old_index)
gtk_list_store_move_after (GTK_LIST_STORE (tree_view->model),
iter, &place_iter);
else
gtk_list_store_move_before (GTK_LIST_STORE (tree_view->model),
iter, &place_iter);
}
}
if (selected)
gimp_container_view_select_item (view, viewable);
}
}
static void
gimp_container_tree_view_rename_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
if (iter)
{
gchar *name = gimp_viewable_get_description (viewable, NULL);
gtk_list_store_set (GTK_LIST_STORE (tree_view->model), iter,
COLUMN_NAME, name,
-1);
g_free (name);
}
}
static gboolean
gimp_container_tree_view_select_item (GimpContainerView *view,
GimpViewable *viewable,
gpointer insert_data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter = (GtkTreeIter *) insert_data;
if (iter)
{
GtkTreePath *path;
path = gtk_tree_model_get_path (tree_view->model, iter);
g_signal_handlers_block_by_func (tree_view->selection,
gimp_container_tree_view_selection_changed,
tree_view);
gtk_tree_view_set_cursor (tree_view->view, path, NULL, FALSE);
g_signal_handlers_unblock_by_func (tree_view->selection,
gimp_container_tree_view_selection_changed,
tree_view);
gtk_tree_view_scroll_to_cell (tree_view->view, path,
NULL, FALSE, 0.0, 0.0);
gtk_tree_path_free (path);
}
else
{
gtk_tree_selection_unselect_all (tree_view->selection);
}
return TRUE;
}
static void
gimp_container_tree_view_clear_items (GimpContainerView *view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
gtk_list_store_clear (GTK_LIST_STORE (tree_view->model));
#ifdef __GNUC__
#warning FIXME: remove this hack as soon as bug #149906 is fixed
#endif
/* clear out renderers from all cells so they don't keep refing the
* viewables
*/
if (! gtk_tree_model_iter_n_children (tree_view->model, NULL))
{
GList *list;
for (list = tree_view->renderer_cells; list; list = g_list_next (list))
g_object_set (list->data, "renderer", NULL, NULL);
}
parent_view_iface->clear_items (view);
}
static void
gimp_container_tree_view_set_view_size (GimpContainerView *view)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (view);
GtkWidget *tree_widget;
GList *list;
gint view_size;
gint border_width;
view_size = gimp_container_view_get_view_size (view, &border_width);
if (tree_view->model)
{
GtkTreeIter iter;
gboolean iter_valid;
for (iter_valid = gtk_tree_model_get_iter_first (tree_view->model, &iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (tree_view->model, &iter))
{
GimpViewRenderer *renderer;
gtk_tree_model_get (tree_view->model, &iter,
COLUMN_RENDERER, &renderer,
-1);
gimp_view_renderer_set_size (renderer, view_size, border_width);
g_object_unref (renderer);
}
}
tree_widget = GTK_WIDGET (tree_view->view);
if (! tree_widget)
return;
for (list = tree_view->toggle_cells; list; list = g_list_next (list))
{
gchar *stock_id;
GtkIconSize icon_size;
g_object_get (list->data, "stock-id", &stock_id, NULL);
if (stock_id)
{
icon_size = gimp_get_icon_size (tree_widget,
stock_id,
GTK_ICON_SIZE_BUTTON,
view_size -
2 * tree_widget->style->xthickness,
view_size -
2 * tree_widget->style->ythickness);
g_object_set (list->data, "stock-size", icon_size, NULL);
g_free (stock_id);
}
}
gtk_tree_view_columns_autosize (tree_view->view);
}
/* callbacks */
static void
gimp_container_tree_view_name_canceled (GtkCellRendererText *cell,
GimpContainerTreeView *tree_view)
{
GtkTreeIter iter;
g_print ("editing canceled\n");
if (gtk_tree_selection_get_selected (tree_view->selection, NULL, &iter))
{
GimpViewRenderer *renderer;
gchar *name;
gtk_tree_model_get (tree_view->model, &iter,
tree_view->model_column_renderer, &renderer,
-1);
name = gimp_viewable_get_description (renderer->viewable, NULL);
g_print ("restoring '%s'\n", name);
gtk_list_store_set (GTK_LIST_STORE (tree_view->model), &iter,
tree_view->model_column_name, name,
-1);
g_free (name);
g_object_unref (renderer);
}
}
static void
gimp_container_tree_view_selection_changed (GtkTreeSelection *selection,
GimpContainerTreeView *tree_view)
{
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (selection, NULL, &iter))
{
GimpViewRenderer *renderer;
gtk_tree_model_get (tree_view->model, &iter,
COLUMN_RENDERER, &renderer,
-1);
gimp_container_view_item_selected (GIMP_CONTAINER_VIEW (tree_view),
renderer->viewable);
g_object_unref (renderer);
}
}
static GtkCellRenderer *
gimp_container_tree_view_find_click_cell (GtkWidget *widget,
GList *cells,
GtkTreeViewColumn *column,
GdkRectangle *column_area,
gint tree_x,
gint tree_y)
{
GList *list;
gboolean rtl = (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL);
for (list = cells; list; list = g_list_next (list))
{
GtkCellRenderer *renderer = list->data;
gint start;
gint width;
if (renderer->visible &&
gtk_tree_view_column_cell_get_position (column, renderer,
&start, &width))
{
gint x;
if (rtl)
x = column_area->x + column_area->width - start - width;
else
x = start + column_area->x;
if (tree_x >= x + renderer->xpad &&
tree_x < x + width - renderer->xpad)
{
return renderer;
}
}
}
return NULL;
}
static gboolean
gimp_container_tree_view_button_press (GtkWidget *widget,
GdkEventButton *bevent,
GimpContainerTreeView *tree_view)
{
GimpContainerView *container_view = GIMP_CONTAINER_VIEW (tree_view);
GtkTreeViewColumn *column;
GtkTreePath *path;
tree_view->dnd_renderer = NULL;
if (! GTK_WIDGET_HAS_FOCUS (widget))
gtk_widget_grab_focus (widget);
if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (widget),
bevent->x, bevent->y,
&path, &column, NULL, NULL))
{
GimpViewRenderer *renderer;
GimpCellRendererToggle *toggled_cell = NULL;
GimpCellRendererViewable *clicked_cell = NULL;
GtkCellRenderer *edit_cell = NULL;
GdkRectangle column_area;
GtkTreeIter iter;
gtk_tree_model_get_iter (tree_view->model, &iter, path);
gtk_tree_model_get (tree_view->model, &iter,
COLUMN_RENDERER, &renderer,
-1);
tree_view->dnd_renderer = renderer;
gtk_tree_view_get_background_area (tree_view->view, path,
column, &column_area);
gtk_tree_view_column_cell_set_cell_data (column,
tree_view->model,
&iter,
FALSE, FALSE);
toggled_cell = (GimpCellRendererToggle *)
gimp_container_tree_view_find_click_cell (widget,
tree_view->toggle_cells,
column, &column_area,
bevent->x, bevent->y);
if (! toggled_cell)
clicked_cell = (GimpCellRendererViewable *)
gimp_container_tree_view_find_click_cell (widget,
tree_view->renderer_cells,
column, &column_area,
bevent->x, bevent->y);
if (! toggled_cell && ! clicked_cell)
edit_cell =
gimp_container_tree_view_find_click_cell (widget,
tree_view->editable_cells,
column, &column_area,
bevent->x, bevent->y);
g_object_ref (tree_view);
switch (bevent->button)
{
case 1:
if (bevent->type == GDK_BUTTON_PRESS)
{
gboolean success = TRUE;
/* don't select item if a toggle was clicked */
if (! toggled_cell)
success = gimp_container_view_item_selected (container_view,
renderer->viewable);
/* a callback invoked by selecting the item may have
* destroyed us, so check if the container is still there
*/
if (gimp_container_view_get_container (container_view))
{
/* another row may have been set by selecting */
gtk_tree_view_column_cell_set_cell_data (column,
tree_view->model,
&iter,
FALSE, FALSE);
if (toggled_cell || clicked_cell)
{
gchar *path_str = gtk_tree_path_to_string (path);
if (toggled_cell)
{
gimp_cell_renderer_toggle_clicked (toggled_cell,
path_str,
bevent->state);
}
else if (clicked_cell)
{
gimp_cell_renderer_viewable_clicked (clicked_cell,
path_str,
bevent->state);
}
g_free (path_str);
}
}
}
else if (bevent->type == GDK_2BUTTON_PRESS)
{
gboolean success = TRUE;
/* don't select item if a toggle was clicked */
if (! toggled_cell)
success = gimp_container_view_item_selected (container_view,
renderer->viewable);
if (success)
{
if (edit_cell)
{
if (edit_cell == tree_view->name_cell)
{
const gchar *real_name;
real_name =
gimp_object_get_name (GIMP_OBJECT (renderer->viewable));
gtk_list_store_set (GTK_LIST_STORE (tree_view->model),
&iter,
tree_view->model_column_name,
real_name,
-1);
}
gtk_tree_view_set_cursor_on_cell (tree_view->view, path,
column, edit_cell, TRUE);
}
else if (! toggled_cell) /* ignore double click on toggles */
{
gimp_container_view_item_activated (container_view,
renderer->viewable);
}
}
}
break;
case 2:
if (bevent->type == GDK_BUTTON_PRESS)
{
if (clicked_cell)
{
gchar *path_str = gtk_tree_path_to_string (path);
gimp_cell_renderer_viewable_clicked (clicked_cell,
path_str,
bevent->state);
g_free (path_str);
}
}
break;
case 3:
if (gimp_container_view_item_selected (container_view,
renderer->viewable))
{
if (gimp_container_view_get_container (container_view))
gimp_container_view_item_context (container_view,
renderer->viewable);
}
break;
default:
break;
}
g_object_unref (tree_view);
gtk_tree_path_free (path);
g_object_unref (renderer);
}
else
{
switch (bevent->button)
{
case 3:
gimp_editor_popup_menu (GIMP_EDITOR (tree_view), NULL, NULL);
break;
default:
break;
}
}
return TRUE;
}
static void
gimp_container_tree_view_renderer_update (GimpViewRenderer *renderer,
GimpContainerTreeView *tree_view)
{
GimpContainerView *view = GIMP_CONTAINER_VIEW (tree_view);
GtkTreeIter *iter;
iter = gimp_container_view_lookup (view, renderer->viewable);
if (iter)
{
GtkTreePath *path;
path = gtk_tree_model_get_path (tree_view->model, iter);
gtk_tree_model_row_changed (tree_view->model, path, iter);
gtk_tree_path_free (path);
}
}
static GimpViewable *
gimp_container_tree_view_drag_viewable (GtkWidget *widget,
GimpContext **context,
gpointer data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (data);
if (context)
*context = gimp_container_view_get_context (GIMP_CONTAINER_VIEW (data));
if (tree_view->dnd_renderer)
return tree_view->dnd_renderer->viewable;
return NULL;
}
static GdkPixbuf *
gimp_container_tree_view_drag_pixbuf (GtkWidget *widget,
gpointer data)
{
GimpContainerTreeView *tree_view = GIMP_CONTAINER_TREE_VIEW (data);
GimpViewRenderer *renderer = tree_view->dnd_renderer;
gint width;
gint height;
if (renderer && gimp_viewable_get_size (renderer->viewable, &width, &height))
return gimp_viewable_get_new_pixbuf (renderer->viewable,
renderer->context,
width, height);
return NULL;
}
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