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Gimp/app/widgets/gimpdatafactoryview.c
Michael Natterer b416994ed0 app: make GimpContainerView behave like a normal widget 
The old API to select stuff and its signals was doing unexpected
stuff and was very confusing. Change things to be "normal":

The selection API is now set_selected() and get_selected(), with no
internal data exposed, and set_selected() emitting the expected
signal.

The signals are now "selection-changed" and "item-activated".
"selection-changed" is always emitted in response to changing the
selection, be it via the API, or by changes in the model (the internal
callbacks in from e.g. GimpContext or GimpImage simply call set_selected()
and don't do any unxpected magic).
2025-08-01 10:02:37 +02:00

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdatafactoryview.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 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpdata.h"
#include "core/gimpdatafactory.h"
#include "core/gimplist.h"
#include "core/gimptaggedcontainer.h"
#include "gimpcombotagentry.h"
#include "gimpcontainertreestore.h"
#include "gimpcontainertreeview.h"
#include "gimpcontainerview.h"
#include "gimpdatafactoryview.h"
#include "gimpdnd.h"
#include "gimpdocked.h"
#include "gimpmenufactory.h"
#include "gimpsessioninfo-aux.h"
#include "gimptagentry.h"
#include "gimpuimanager.h"
#include "gimpviewrenderer.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
enum
{
PROP_0,
PROP_DATA_FACTORY,
PROP_ACTION_GROUP
};
struct _GimpDataFactoryViewPrivate
{
GimpDataFactory *factory;
gchar *action_group;
GimpContainer *tagged_container;
GtkWidget *query_tag_entry;
GtkWidget *assign_tag_entry;
GList *selected_items;
GtkWidget *follow_theme_toggle;
gboolean show_follow_theme_toggle;
GtkWidget *edit_button;
GtkWidget *new_button;
GtkWidget *duplicate_button;
GtkWidget *delete_button;
GtkWidget *refresh_button;
};
static void gimp_data_factory_view_docked_iface_init (GimpDockedInterface *iface);
static GObject *
gimp_data_factory_view_constructor (GType type,
guint n_construct_params,
GObjectConstructParam *construct_params);
static void gimp_data_factory_view_constructed (GObject *object);
static void gimp_data_factory_view_dispose (GObject *object);
static void gimp_data_factory_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_data_factory_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_data_factory_view_set_aux_info (GimpDocked *docked,
GList *aux_info);
static GList * gimp_data_factory_view_get_aux_info (GimpDocked *docked);
static void gimp_data_factory_view_activate_item (GimpContainerEditor *editor,
GimpViewable *viewable);
static void gimp_data_factory_view_select_item (GimpContainerEditor *editor,
GimpViewable *viewable);
static void gimp_data_factory_view_tree_name_edited (GtkCellRendererText *cell,
const gchar *path,
const gchar *name,
GimpDataFactoryView *view);
G_DEFINE_TYPE_WITH_CODE (GimpDataFactoryView, gimp_data_factory_view,
GIMP_TYPE_CONTAINER_EDITOR,
G_ADD_PRIVATE (GimpDataFactoryView)
G_IMPLEMENT_INTERFACE (GIMP_TYPE_DOCKED,
gimp_data_factory_view_docked_iface_init))
#define parent_class gimp_data_factory_view_parent_class
static GimpDockedInterface *parent_docked_iface = NULL;
static void
gimp_data_factory_view_class_init (GimpDataFactoryViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpContainerEditorClass *editor_class = GIMP_CONTAINER_EDITOR_CLASS (klass);
object_class->constructor = gimp_data_factory_view_constructor;
object_class->constructed = gimp_data_factory_view_constructed;
object_class->dispose = gimp_data_factory_view_dispose;
object_class->set_property = gimp_data_factory_view_set_property;
object_class->get_property = gimp_data_factory_view_get_property;
editor_class->select_item = gimp_data_factory_view_select_item;
editor_class->activate_item = gimp_data_factory_view_activate_item;
g_object_class_install_property (object_class, PROP_DATA_FACTORY,
g_param_spec_object ("data-factory",
NULL, NULL,
GIMP_TYPE_DATA_FACTORY,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_ACTION_GROUP,
g_param_spec_string ("action-group",
NULL, NULL,
NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_data_factory_view_init (GimpDataFactoryView *view)
{
view->priv = gimp_data_factory_view_get_instance_private (view);
view->priv->tagged_container = NULL;
view->priv->query_tag_entry = NULL;
view->priv->assign_tag_entry = NULL;
view->priv->selected_items = NULL;
view->priv->edit_button = NULL;
view->priv->new_button = NULL;
view->priv->duplicate_button = NULL;
view->priv->delete_button = NULL;
view->priv->refresh_button = NULL;
view->priv->show_follow_theme_toggle = FALSE;
}
static void
gimp_data_factory_view_docked_iface_init (GimpDockedInterface *iface)
{
parent_docked_iface = g_type_interface_peek_parent (iface);
if (! parent_docked_iface)
parent_docked_iface = g_type_default_interface_peek (GIMP_TYPE_DOCKED);
iface->set_aux_info = gimp_data_factory_view_set_aux_info;
iface->get_aux_info = gimp_data_factory_view_get_aux_info;
}
static GObject *
gimp_data_factory_view_constructor (GType type,
guint n_construct_params,
GObjectConstructParam *construct_params)
{
GimpDataFactoryView *factory_view;
GObject *object;
object = G_OBJECT_CLASS (parent_class)->constructor (type,
n_construct_params,
construct_params);
factory_view = GIMP_DATA_FACTORY_VIEW (object);
gimp_assert (GIMP_IS_DATA_FACTORY (factory_view->priv->factory));
gimp_assert (factory_view->priv->action_group != NULL);
factory_view->priv->tagged_container =
gimp_tagged_container_new (gimp_data_factory_get_container (factory_view->priv->factory));
/* this must happen in constructor(), because doing it in
* set_property() warns about wrong construct property usage
*/
g_object_set (object,
"container", factory_view->priv->tagged_container,
NULL);
return object;
}
static void
gimp_data_factory_view_constructed (GObject *object)
{
GimpDataFactoryView *factory_view = GIMP_DATA_FACTORY_VIEW (object);
GimpDataFactoryViewPrivate *priv = factory_view->priv;
GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (object);
GimpUIManager *manager;
GimpContext *context;
GtkWidget *image;
GtkWidget *hbox;
gchar *str;
GtkIconSize button_icon_size;
GtkReliefStyle button_relief;
G_OBJECT_CLASS (parent_class)->constructed (object);
gimp_container_editor_set_selection_mode (editor, GTK_SELECTION_SINGLE);
if (GIMP_IS_CONTAINER_TREE_VIEW (editor->view))
{
GimpContainerTreeView *tree_view;
tree_view = GIMP_CONTAINER_TREE_VIEW (editor->view);
gimp_container_tree_view_connect_name_edited (tree_view,
G_CALLBACK (gimp_data_factory_view_tree_name_edited),
factory_view);
}
manager = gimp_editor_get_ui_manager (GIMP_EDITOR (editor->view));
str = g_strdup_printf ("%s-edit", priv->action_group);
if (gimp_ui_manager_find_action (manager, priv->action_group, str))
priv->edit_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor->view),
priv->action_group,
str, NULL);
g_free (str);
if (gimp_data_factory_view_has_data_new_func (factory_view))
{
str = g_strdup_printf ("%s-new", priv->action_group);
priv->new_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor->view),
priv->action_group,
str, NULL);
g_free (str);
}
str = g_strdup_printf ("%s-duplicate", priv->action_group);
if (gimp_ui_manager_find_action (manager, priv->action_group, str))
priv->duplicate_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor->view),
priv->action_group,
str, NULL);
g_free (str);
str = g_strdup_printf ("%s-delete", priv->action_group);
if (gimp_ui_manager_find_action (manager, priv->action_group, str))
priv->delete_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor->view),
priv->action_group,
str, NULL);
g_free (str);
str = g_strdup_printf ("%s-refresh", priv->action_group);
if (gimp_ui_manager_find_action (manager, priv->action_group, str))
priv->refresh_button =
gimp_editor_add_action_button (GIMP_EDITOR (editor->view),
priv->action_group,
str, NULL);
g_free (str);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 1);
gtk_box_pack_start (GTK_BOX (editor->view), hbox, FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (editor->view), hbox, 0);
gtk_widget_set_visible (hbox, TRUE);
/* Query tag entry */
priv->query_tag_entry =
gimp_combo_tag_entry_new (GIMP_TAGGED_CONTAINER (priv->tagged_container),
GIMP_TAG_ENTRY_MODE_QUERY);
gtk_box_pack_start (GTK_BOX (hbox), priv->query_tag_entry, TRUE, TRUE, 0);
gtk_widget_show (priv->query_tag_entry);
/* Follow Theme toggle */
g_object_get (object,
"context", &context,
NULL);
gtk_widget_style_get (GTK_WIDGET (editor->view),
"button-icon-size", &button_icon_size,
"button-relief", &button_relief,
NULL);
#define GIMP_ICON_FOLLOW_THEME "gimp-prefs-theme"
priv->follow_theme_toggle = gimp_prop_toggle_new (G_OBJECT (context->gimp->config),
"viewables-follow-theme",
GIMP_ICON_FOLLOW_THEME, NULL,
&image);
gtk_button_set_relief (GTK_BUTTON (priv->follow_theme_toggle), button_relief);
/* Re-setting the image to make sure we use the correct size from theme. */
gtk_image_set_from_icon_name (GTK_IMAGE (image), GIMP_ICON_FOLLOW_THEME, button_icon_size);
#undef GIMP_ICON_FOLLOW_THEME
gtk_box_pack_start (GTK_BOX (hbox), priv->follow_theme_toggle, FALSE, FALSE, 0);
gtk_widget_set_visible (priv->follow_theme_toggle, priv->show_follow_theme_toggle);
g_object_unref (context);
/* Assign tag entry */
priv->assign_tag_entry =
gimp_combo_tag_entry_new (GIMP_TAGGED_CONTAINER (priv->tagged_container),
GIMP_TAG_ENTRY_MODE_ASSIGN);
gimp_tag_entry_set_selected_items (GIMP_TAG_ENTRY (priv->assign_tag_entry),
priv->selected_items);
g_list_free (priv->selected_items);
priv->selected_items = NULL;
gtk_box_pack_start (GTK_BOX (editor->view),
priv->assign_tag_entry,
FALSE, FALSE, 0);
gtk_widget_show (priv->assign_tag_entry);
if (priv->edit_button)
gimp_container_view_enable_dnd (editor->view,
GTK_BUTTON (priv->edit_button),
gimp_data_factory_get_data_type (priv->factory));
if (priv->duplicate_button)
gimp_container_view_enable_dnd (editor->view,
GTK_BUTTON (priv->duplicate_button),
gimp_data_factory_get_data_type (priv->factory));
if (priv->delete_button)
gimp_container_view_enable_dnd (editor->view,
GTK_BUTTON (priv->delete_button),
gimp_data_factory_get_data_type (priv->factory));
gimp_ui_manager_update (manager, editor);
}
static void
gimp_data_factory_view_dispose (GObject *object)
{
GimpDataFactoryView *factory_view = GIMP_DATA_FACTORY_VIEW (object);
g_clear_object (&factory_view->priv->tagged_container);
g_clear_object (&factory_view->priv->factory);
g_clear_pointer (&factory_view->priv->action_group, g_free);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_data_factory_view_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDataFactoryView *factory_view = GIMP_DATA_FACTORY_VIEW (object);
switch (property_id)
{
case PROP_DATA_FACTORY:
factory_view->priv->factory = g_value_dup_object (value);
break;
case PROP_ACTION_GROUP:
factory_view->priv->action_group = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_data_factory_view_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDataFactoryView *factory_view = GIMP_DATA_FACTORY_VIEW (object);
switch (property_id)
{
case PROP_DATA_FACTORY:
g_value_set_object (value, factory_view->priv->factory);
break;
case PROP_ACTION_GROUP:
g_value_set_string (value, factory_view->priv->action_group);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
#define AUX_INFO_TAG_FILTER "tag-filter"
static void
gimp_data_factory_view_set_aux_info (GimpDocked *docked,
GList *aux_info)
{
GimpDataFactoryView *view = GIMP_DATA_FACTORY_VIEW (docked);
GList *list;
parent_docked_iface->set_aux_info (docked, aux_info);
for (list = aux_info; list; list = g_list_next (list))
{
GimpSessionInfoAux *aux = list->data;
if (! strcmp (aux->name, AUX_INFO_TAG_FILTER))
{
gtk_entry_set_text (GTK_ENTRY (view->priv->query_tag_entry),
aux->value);
}
}
}
static GList *
gimp_data_factory_view_get_aux_info (GimpDocked *docked)
{
GimpDataFactoryView *view = GIMP_DATA_FACTORY_VIEW (docked);
GList *aux_info;
const gchar *tag_filter;
aux_info = parent_docked_iface->get_aux_info (docked);
tag_filter = gtk_entry_get_text (GTK_ENTRY (view->priv->query_tag_entry));
if (tag_filter && *tag_filter)
{
GimpSessionInfoAux *aux;
aux = gimp_session_info_aux_new (AUX_INFO_TAG_FILTER, tag_filter);
aux_info = g_list_append (aux_info, aux);
}
return aux_info;
}
GtkWidget *
gimp_data_factory_view_new (GimpViewType view_type,
GimpDataFactory *factory,
GimpContext *context,
gint view_size,
gint view_border_width,
GimpMenuFactory *menu_factory,
const gchar *menu_identifier,
const gchar *ui_path,
const gchar *action_group)
{
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
g_return_val_if_fail (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);
g_return_val_if_fail (menu_factory == NULL ||
GIMP_IS_MENU_FACTORY (menu_factory), NULL);
g_return_val_if_fail (action_group != NULL, NULL);
return g_object_new (GIMP_TYPE_DATA_FACTORY_VIEW,
"view-type", view_type,
"data-factory", factory,
"context", context,
"view-size", view_size,
"view-border-width", view_border_width,
"menu-factory", menu_factory,
"menu-identifier", menu_identifier,
"ui-path", ui_path,
"action-group", action_group,
NULL);
}
void
gimp_data_factory_view_show_follow_theme_toggle (GimpDataFactoryView *view,
gboolean show)
{
view->priv->show_follow_theme_toggle = show;
if (view->priv->follow_theme_toggle != NULL)
gtk_widget_set_visible (view->priv->follow_theme_toggle, show);
}
GtkWidget *
gimp_data_factory_view_get_edit_button (GimpDataFactoryView *factory_view)
{
g_return_val_if_fail (GIMP_IS_DATA_FACTORY_VIEW (factory_view), NULL);
return factory_view->priv->edit_button;
}
GtkWidget *
gimp_data_factory_view_get_duplicate_button (GimpDataFactoryView *factory_view)
{
g_return_val_if_fail (GIMP_IS_DATA_FACTORY_VIEW (factory_view), NULL);
return factory_view->priv->duplicate_button;
}
GimpDataFactory *
gimp_data_factory_view_get_data_factory (GimpDataFactoryView *factory_view)
{
g_return_val_if_fail (GIMP_IS_DATA_FACTORY_VIEW (factory_view), NULL);
return factory_view->priv->factory;
}
GType
gimp_data_factory_view_get_child_type (GimpDataFactoryView *factory_view)
{
g_return_val_if_fail (GIMP_IS_DATA_FACTORY_VIEW (factory_view), G_TYPE_NONE);
return gimp_data_factory_get_data_type (factory_view->priv->factory);
}
gboolean
gimp_data_factory_view_has_data_new_func (GimpDataFactoryView *factory_view)
{
g_return_val_if_fail (GIMP_IS_DATA_FACTORY_VIEW (factory_view), FALSE);
return gimp_data_factory_has_data_new_func (factory_view->priv->factory);
}
gboolean
gimp_data_factory_view_have (GimpDataFactoryView *factory_view,
GimpObject *object)
{
g_return_val_if_fail (GIMP_IS_DATA_FACTORY_VIEW (factory_view), FALSE);
return gimp_container_have (gimp_data_factory_get_container (factory_view->priv->factory),
object);
}
static void
gimp_data_factory_view_select_item (GimpContainerEditor *editor,
GimpViewable *viewable)
{
GimpDataFactoryView *view = GIMP_DATA_FACTORY_VIEW (editor);
if (GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item)
GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item (editor, viewable);
if (view->priv->assign_tag_entry)
{
GimpContainerView *container_view = GIMP_CONTAINER_VIEW (editor->view);
GList *active_items = NULL;
gimp_container_view_get_selected (container_view, &active_items);
gimp_tag_entry_set_selected_items (GIMP_TAG_ENTRY (view->priv->assign_tag_entry),
active_items);
g_list_free (active_items);
}
else if (viewable)
{
view->priv->selected_items = g_list_append (view->priv->selected_items,
viewable);
}
}
static void
gimp_data_factory_view_activate_item (GimpContainerEditor *editor,
GimpViewable *viewable)
{
GimpDataFactoryView *view = GIMP_DATA_FACTORY_VIEW (editor);
GimpData *data = GIMP_DATA (viewable);
if (GIMP_CONTAINER_EDITOR_CLASS (parent_class)->activate_item)
GIMP_CONTAINER_EDITOR_CLASS (parent_class)->activate_item (editor, viewable);
if (data && gimp_data_factory_view_have (view,
GIMP_OBJECT (data)))
{
if (view->priv->edit_button &&
gtk_widget_is_sensitive (view->priv->edit_button))
gtk_button_clicked (GTK_BUTTON (view->priv->edit_button));
}
}
static void
gimp_data_factory_view_tree_name_edited (GtkCellRendererText *cell,
const gchar *path_str,
const gchar *new_name,
GimpDataFactoryView *view)
{
GimpContainerTreeView *tree_view;
GtkTreePath *path;
GtkTreeIter iter;
tree_view = GIMP_CONTAINER_TREE_VIEW (GIMP_CONTAINER_EDITOR (view)->view);
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
GimpViewRenderer *renderer;
GimpData *data;
gchar *name;
gtk_tree_model_get (tree_view->model, &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
data = GIMP_DATA (renderer->viewable);
if (! new_name)
new_name = "";
name = g_strstrip (g_strdup (new_name));
/* We must block the edited callback at this point, because either
* the call to gimp_object_take_name() or gtk_tree_store_set() below
* will trigger a re-ordering and emission of the rows_reordered signal.
* This in turn will stop the editing operation and cause a call to this
* very callback function again. Because the order of the rows has
* changed by then, "path_str" will point at another item and cause the
* name of this item to be changed as well.
*/
g_signal_handlers_block_by_func (cell,
gimp_data_factory_view_tree_name_edited,
view);
if (gimp_data_is_writable (data) &&
strlen (name) &&
g_strcmp0 (name, gimp_object_get_name (data)))
{
gimp_object_take_name (GIMP_OBJECT (data), name);
}
else
{
g_free (name);
name = gimp_viewable_get_description (renderer->viewable, NULL);
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), &iter,
GIMP_CONTAINER_TREE_STORE_COLUMN_NAME, name,
-1);
g_free (name);
}
g_signal_handlers_unblock_by_func (cell,
gimp_data_factory_view_tree_name_edited,
view);
g_object_unref (renderer);
}
gtk_tree_path_free (path);
}
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