PIKApp/app/widgets/pikacontainerentry.c

445 lines
16 KiB
C

/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikacontainerentry.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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pikacontainer.h"
#include "core/pikacontext.h"
#include "core/pikaviewable.h"
#include "pikacellrendererviewable.h"
#include "pikacontainerentry.h"
#include "pikacontainertreestore.h"
#include "pikacontainerview.h"
#include "pikaviewrenderer.h"
static void pika_container_entry_view_iface_init (PikaContainerViewInterface *iface);
static void pika_container_entry_finalize (GObject *object);
static void pika_container_entry_set_context (PikaContainerView *view,
PikaContext *context);
static gpointer pika_container_entry_insert_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer parent_insert_data,
gint index);
static void pika_container_entry_remove_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data);
static void pika_container_entry_reorder_item (PikaContainerView *view,
PikaViewable *viewable,
gint new_index,
gpointer insert_data);
static void pika_container_entry_rename_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data);
static gboolean pika_container_entry_select_items(PikaContainerView *view,
GList *items,
GList *paths);
static void pika_container_entry_clear_items (PikaContainerView *view);
static void pika_container_entry_set_view_size (PikaContainerView *view);
static gint pika_container_entry_get_selected (PikaContainerView *view,
GList **items,
GList **items_data);
static void pika_container_entry_changed (GtkEntry *entry,
PikaContainerView *view);
static void pika_container_entry_match_selected (GtkEntryCompletion *widget,
GtkTreeModel *model,
GtkTreeIter *iter,
PikaContainerView *view);
G_DEFINE_TYPE_WITH_CODE (PikaContainerEntry, pika_container_entry,
GTK_TYPE_ENTRY,
G_IMPLEMENT_INTERFACE (PIKA_TYPE_CONTAINER_VIEW,
pika_container_entry_view_iface_init))
#define parent_class pika_container_entry_parent_class
static PikaContainerViewInterface *parent_view_iface = NULL;
static void
pika_container_entry_class_init (PikaContainerEntryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = pika_container_view_set_property;
object_class->get_property = pika_container_view_get_property;
object_class->finalize = pika_container_entry_finalize;
pika_container_view_install_properties (object_class);
}
static void
pika_container_entry_view_iface_init (PikaContainerViewInterface *iface)
{
parent_view_iface = g_type_interface_peek_parent (iface);
if (! parent_view_iface)
parent_view_iface = g_type_default_interface_peek (PIKA_TYPE_CONTAINER_VIEW);
iface->set_context = pika_container_entry_set_context;
iface->insert_item = pika_container_entry_insert_item;
iface->remove_item = pika_container_entry_remove_item;
iface->reorder_item = pika_container_entry_reorder_item;
iface->rename_item = pika_container_entry_rename_item;
iface->select_items = pika_container_entry_select_items;
iface->clear_items = pika_container_entry_clear_items;
iface->set_view_size = pika_container_entry_set_view_size;
iface->get_selected = pika_container_entry_get_selected;
iface->insert_data_free = (GDestroyNotify) gtk_tree_iter_free;
}
static void
pika_container_entry_init (PikaContainerEntry *entry)
{
GtkEntryCompletion *completion;
GtkTreeModel *model;
GtkCellRenderer *cell;
GType types[PIKA_CONTAINER_TREE_STORE_N_COLUMNS];
gint n_types = 0;
entry->viewable = NULL;
completion = g_object_new (GTK_TYPE_ENTRY_COMPLETION,
"inline-completion", FALSE,
"popup-single-match", TRUE,
"popup-set-width", FALSE,
NULL);
pika_container_tree_store_columns_init (types, &n_types);
model = pika_container_tree_store_new (PIKA_CONTAINER_VIEW (entry),
n_types, types);
pika_container_tree_store_set_use_name (PIKA_CONTAINER_TREE_STORE (model),
TRUE);
gtk_entry_completion_set_model (completion, model);
g_object_unref (model);
gtk_entry_set_completion (GTK_ENTRY (entry), completion);
g_signal_connect (completion, "match-selected",
G_CALLBACK (pika_container_entry_match_selected),
entry);
g_object_unref (completion);
/* FIXME: This can be done better with GTK+ 2.6. */
cell = pika_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",
PIKA_CONTAINER_TREE_STORE_COLUMN_RENDERER,
NULL);
pika_container_tree_store_add_renderer_cell (PIKA_CONTAINER_TREE_STORE (model),
cell, -1);
gtk_entry_completion_set_text_column (completion,
PIKA_CONTAINER_TREE_STORE_COLUMN_NAME);
g_signal_connect (entry, "changed",
G_CALLBACK (pika_container_entry_changed),
entry);
}
GtkWidget *
pika_container_entry_new (PikaContainer *container,
PikaContext *context,
gint view_size,
gint view_border_width)
{
GtkWidget *entry;
PikaContainerView *view;
g_return_val_if_fail (container == NULL || PIKA_IS_CONTAINER (container),
NULL);
g_return_val_if_fail (context == NULL || PIKA_IS_CONTEXT (context), NULL);
entry = g_object_new (PIKA_TYPE_CONTAINER_ENTRY, NULL);
view = PIKA_CONTAINER_VIEW (entry);
pika_container_view_set_view_size (view, view_size, view_border_width);
if (container)
pika_container_view_set_container (view, container);
if (context)
pika_container_view_set_context (view, context);
return entry;
}
/* PikaContainerView methods */
static GtkTreeModel *
pika_container_entry_get_model (PikaContainerView *view)
{
GtkEntryCompletion *completion;
completion = gtk_entry_get_completion (GTK_ENTRY (view));
if (completion)
return gtk_entry_completion_get_model (completion);
return NULL;
}
static void
pika_container_entry_finalize (GObject *object)
{
PikaContainerEntry *entry = PIKA_CONTAINER_ENTRY (object);
g_clear_weak_pointer (&entry->viewable);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
pika_container_entry_set_context (PikaContainerView *view,
PikaContext *context)
{
GtkTreeModel *model = pika_container_entry_get_model (view);
parent_view_iface->set_context (view, context);
if (model)
pika_container_tree_store_set_context (PIKA_CONTAINER_TREE_STORE (model),
context);
}
static gpointer
pika_container_entry_insert_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer parent_insert_data,
gint index)
{
GtkTreeModel *model = pika_container_entry_get_model (view);
return pika_container_tree_store_insert_item (PIKA_CONTAINER_TREE_STORE (model),
viewable,
parent_insert_data,
index);
}
static void
pika_container_entry_remove_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data)
{
GtkTreeModel *model = pika_container_entry_get_model (view);
pika_container_tree_store_remove_item (PIKA_CONTAINER_TREE_STORE (model),
viewable,
insert_data);
}
static void
pika_container_entry_reorder_item (PikaContainerView *view,
PikaViewable *viewable,
gint new_index,
gpointer insert_data)
{
GtkTreeModel *model = pika_container_entry_get_model (view);
pika_container_tree_store_reorder_item (PIKA_CONTAINER_TREE_STORE (model),
viewable,
new_index,
insert_data);
}
static void
pika_container_entry_rename_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer insert_data)
{
PikaContainerEntry *container_entry = PIKA_CONTAINER_ENTRY (view);
GtkEntry *entry = GTK_ENTRY (view);
GtkTreeModel *model = pika_container_entry_get_model (view);
if (viewable == container_entry->viewable)
{
g_signal_handlers_block_by_func (entry,
pika_container_entry_changed,
view);
gtk_entry_set_text (entry, pika_object_get_name (viewable));
g_signal_handlers_unblock_by_func (entry,
pika_container_entry_changed,
view);
}
pika_container_tree_store_rename_item (PIKA_CONTAINER_TREE_STORE (model),
viewable,
insert_data);
}
static gboolean
pika_container_entry_select_items (PikaContainerView *view,
GList *viewables,
GList *paths)
{
PikaContainerEntry *container_entry = PIKA_CONTAINER_ENTRY (view);
GtkEntry *entry = GTK_ENTRY (view);
PikaViewable *viewable = NULL;
/* XXX Only support 1 selected viewable for now. */
if (viewables)
viewable = viewables->data;
g_signal_handlers_block_by_func (entry,
pika_container_entry_changed,
view);
g_set_weak_pointer (&container_entry->viewable, viewable);
if (viewable)
{
gtk_entry_set_icon_from_icon_name (entry,
GTK_ENTRY_ICON_SECONDARY,
NULL);
}
else
{
/* The selected item does not exist. */
gtk_entry_set_icon_from_icon_name (entry,
GTK_ENTRY_ICON_SECONDARY,
PIKA_ICON_MASCOT_EEK);
}
gtk_entry_set_text (entry, viewable? pika_object_get_name (viewable) : "");
g_signal_handlers_unblock_by_func (entry,
pika_container_entry_changed,
view);
return TRUE;
}
static void
pika_container_entry_clear_items (PikaContainerView *view)
{
GtkTreeModel *model = pika_container_entry_get_model (view);
/* model is NULL in dispose() */
if (model)
pika_container_tree_store_clear_items (PIKA_CONTAINER_TREE_STORE (model));
parent_view_iface->clear_items (view);
}
static void
pika_container_entry_set_view_size (PikaContainerView *view)
{
GtkTreeModel *model = pika_container_entry_get_model (view);
pika_container_tree_store_set_view_size (PIKA_CONTAINER_TREE_STORE (model));
}
static gint
pika_container_entry_get_selected (PikaContainerView *view,
GList **items,
GList **items_data)
{
PikaContainerEntry *container_entry = PIKA_CONTAINER_ENTRY (view);
if (items)
{
if (container_entry->viewable != NULL)
*items = g_list_prepend (NULL, container_entry->viewable);
else
*items = NULL;
}
return container_entry->viewable == NULL ? 0 : 1;
}
static void
pika_container_entry_changed (GtkEntry *entry,
PikaContainerView *view)
{
PikaContainerEntry *container_entry = PIKA_CONTAINER_ENTRY (entry);
PikaContainer *container = pika_container_view_get_container (view);
PikaObject *object;
const gchar *text;
if (! container)
return;
text = gtk_entry_get_text (entry);
object = pika_container_get_child_by_name (container, text);
g_set_weak_pointer (&container_entry->viewable, PIKA_VIEWABLE (object));
if (container_entry->viewable)
{
pika_container_view_item_selected (view, container_entry->viewable);
gtk_entry_set_icon_from_icon_name (entry,
GTK_ENTRY_ICON_SECONDARY,
NULL);
}
else
{
/* While editing the entry, show EEK for non-existent item. */
gtk_entry_set_icon_from_icon_name (entry,
GTK_ENTRY_ICON_SECONDARY,
PIKA_ICON_MASCOT_EEK);
}
}
static void
pika_container_entry_match_selected (GtkEntryCompletion *widget,
GtkTreeModel *model,
GtkTreeIter *iter,
PikaContainerView *view)
{
PikaViewRenderer *renderer;
gtk_tree_model_get (model, iter,
PIKA_CONTAINER_TREE_STORE_COLUMN_RENDERER, &renderer,
-1);
pika_container_view_item_selected (view, renderer->viewable);
g_object_unref (renderer);
}