362 lines
12 KiB
C
362 lines
12 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
|
|
*
|
|
* pikapdbdialog.c
|
|
* Copyright (C) 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 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 "libpikabase/pikabase.h"
|
|
#include "libpikawidgets/pikawidgets.h"
|
|
|
|
#include "widgets-types.h"
|
|
|
|
#include "core/pika.h"
|
|
#include "core/pikacontext.h"
|
|
|
|
#include "pdb/pikapdb.h"
|
|
|
|
#include "pikamenufactory.h"
|
|
#include "pikapdbdialog.h"
|
|
#include "pikawidgets-utils.h"
|
|
|
|
#include "pika-intl.h"
|
|
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
PROP_PDB,
|
|
PROP_CONTEXT,
|
|
PROP_SELECT_TYPE,
|
|
PROP_INITIAL_OBJECT,
|
|
PROP_CALLBACK_NAME,
|
|
PROP_MENU_FACTORY
|
|
};
|
|
|
|
|
|
static void pika_pdb_dialog_constructed (GObject *object);
|
|
static void pika_pdb_dialog_dispose (GObject *object);
|
|
static void pika_pdb_dialog_set_property (GObject *object,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec);
|
|
|
|
static void pika_pdb_dialog_response (GtkDialog *dialog,
|
|
gint response_id);
|
|
|
|
static void pika_pdb_dialog_context_changed (PikaContext *context,
|
|
PikaObject *object,
|
|
PikaPdbDialog *dialog);
|
|
static void pika_pdb_dialog_plug_in_closed (PikaPlugInManager *manager,
|
|
PikaPlugIn *plug_in,
|
|
PikaPdbDialog *dialog);
|
|
|
|
|
|
G_DEFINE_ABSTRACT_TYPE (PikaPdbDialog, pika_pdb_dialog, PIKA_TYPE_DIALOG)
|
|
|
|
#define parent_class pika_pdb_dialog_parent_class
|
|
|
|
|
|
static void
|
|
pika_pdb_dialog_class_init (PikaPdbDialogClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GtkDialogClass *dialog_class = GTK_DIALOG_CLASS (klass);
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
object_class->constructed = pika_pdb_dialog_constructed;
|
|
object_class->dispose = pika_pdb_dialog_dispose;
|
|
object_class->set_property = pika_pdb_dialog_set_property;
|
|
|
|
dialog_class->response = pika_pdb_dialog_response;
|
|
|
|
klass->run_callback = NULL;
|
|
|
|
g_object_class_install_property (object_class, PROP_CONTEXT,
|
|
g_param_spec_object ("context", NULL, NULL,
|
|
PIKA_TYPE_CONTEXT,
|
|
PIKA_PARAM_WRITABLE |
|
|
G_PARAM_CONSTRUCT_ONLY));
|
|
|
|
g_object_class_install_property (object_class, PROP_PDB,
|
|
g_param_spec_object ("pdb", NULL, NULL,
|
|
PIKA_TYPE_PDB,
|
|
PIKA_PARAM_WRITABLE |
|
|
G_PARAM_CONSTRUCT_ONLY));
|
|
|
|
g_object_class_install_property (object_class, PROP_SELECT_TYPE,
|
|
g_param_spec_gtype ("select-type",
|
|
NULL, NULL,
|
|
PIKA_TYPE_OBJECT,
|
|
PIKA_PARAM_WRITABLE |
|
|
G_PARAM_CONSTRUCT_ONLY));
|
|
|
|
g_object_class_install_property (object_class, PROP_INITIAL_OBJECT,
|
|
g_param_spec_object ("initial-object",
|
|
NULL, NULL,
|
|
PIKA_TYPE_OBJECT,
|
|
PIKA_PARAM_WRITABLE |
|
|
G_PARAM_CONSTRUCT_ONLY));
|
|
|
|
g_object_class_install_property (object_class, PROP_CALLBACK_NAME,
|
|
g_param_spec_string ("callback-name",
|
|
NULL, NULL,
|
|
NULL,
|
|
PIKA_PARAM_WRITABLE |
|
|
G_PARAM_CONSTRUCT_ONLY));
|
|
|
|
g_object_class_install_property (object_class, PROP_MENU_FACTORY,
|
|
g_param_spec_object ("menu-factory",
|
|
NULL, NULL,
|
|
PIKA_TYPE_MENU_FACTORY,
|
|
PIKA_PARAM_WRITABLE |
|
|
G_PARAM_CONSTRUCT_ONLY));
|
|
}
|
|
|
|
static void
|
|
pika_pdb_dialog_init (PikaPdbDialog *dialog)
|
|
{
|
|
gtk_dialog_add_button (GTK_DIALOG (dialog),
|
|
_("_Close"), GTK_RESPONSE_CLOSE);
|
|
}
|
|
|
|
static void
|
|
pika_pdb_dialog_constructed (GObject *object)
|
|
{
|
|
PikaPdbDialog *dialog = PIKA_PDB_DIALOG (object);
|
|
PikaPdbDialogClass *klass = PIKA_PDB_DIALOG_GET_CLASS (object);
|
|
const gchar *signal_name;
|
|
|
|
G_OBJECT_CLASS (parent_class)->constructed (object);
|
|
|
|
klass->dialogs = g_list_prepend (klass->dialogs, dialog);
|
|
|
|
pika_assert (PIKA_IS_PDB (dialog->pdb));
|
|
pika_assert (PIKA_IS_CONTEXT (dialog->caller_context));
|
|
pika_assert (g_type_is_a (dialog->select_type, PIKA_TYPE_OBJECT));
|
|
|
|
dialog->context = pika_context_new (dialog->caller_context->pika,
|
|
G_OBJECT_TYPE_NAME (object),
|
|
NULL);
|
|
|
|
pika_context_set_by_type (dialog->context, dialog->select_type,
|
|
dialog->initial_object);
|
|
|
|
dialog->initial_object = NULL;
|
|
|
|
signal_name = pika_context_type_to_signal_name (dialog->select_type);
|
|
|
|
g_signal_connect_object (dialog->context, signal_name,
|
|
G_CALLBACK (pika_pdb_dialog_context_changed),
|
|
dialog, 0);
|
|
g_signal_connect_object (dialog->context->pika->plug_in_manager,
|
|
"plug-in-closed",
|
|
G_CALLBACK (pika_pdb_dialog_plug_in_closed),
|
|
dialog, 0);
|
|
}
|
|
|
|
static void
|
|
pika_pdb_dialog_dispose (GObject *object)
|
|
{
|
|
PikaPdbDialog *dialog = PIKA_PDB_DIALOG (object);
|
|
PikaPdbDialogClass *klass = PIKA_PDB_DIALOG_GET_CLASS (object);
|
|
|
|
klass->dialogs = g_list_remove (klass->dialogs, object);
|
|
|
|
g_clear_object (&dialog->pdb);
|
|
g_clear_object (&dialog->caller_context);
|
|
g_clear_object (&dialog->context);
|
|
|
|
g_clear_pointer (&dialog->callback_name, g_free);
|
|
|
|
g_clear_object (&dialog->menu_factory);
|
|
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
pika_pdb_dialog_set_property (GObject *object,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
PikaPdbDialog *dialog = PIKA_PDB_DIALOG (object);
|
|
|
|
switch (property_id)
|
|
{
|
|
case PROP_PDB:
|
|
dialog->pdb = g_value_dup_object (value);
|
|
break;
|
|
|
|
case PROP_CONTEXT:
|
|
dialog->caller_context = g_value_dup_object (value);
|
|
break;
|
|
|
|
case PROP_SELECT_TYPE:
|
|
dialog->select_type = g_value_get_gtype (value);
|
|
break;
|
|
|
|
case PROP_INITIAL_OBJECT:
|
|
/* don't ref, see constructor */
|
|
dialog->initial_object = g_value_get_object (value);
|
|
break;
|
|
|
|
case PROP_CALLBACK_NAME:
|
|
if (dialog->callback_name)
|
|
g_free (dialog->callback_name);
|
|
dialog->callback_name = g_value_dup_string (value);
|
|
break;
|
|
|
|
case PROP_MENU_FACTORY:
|
|
dialog->menu_factory = g_value_dup_object (value);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_pdb_dialog_response (GtkDialog *gtk_dialog,
|
|
gint response_id)
|
|
{
|
|
PikaPdbDialog *dialog = PIKA_PDB_DIALOG (gtk_dialog);
|
|
|
|
pika_pdb_dialog_run_callback (&dialog, TRUE);
|
|
if (dialog)
|
|
gtk_widget_destroy (GTK_WIDGET (dialog));
|
|
}
|
|
|
|
void
|
|
pika_pdb_dialog_run_callback (PikaPdbDialog **dialog,
|
|
gboolean closing)
|
|
{
|
|
PikaPdbDialogClass *klass = PIKA_PDB_DIALOG_GET_CLASS (*dialog);
|
|
PikaObject *object;
|
|
|
|
g_object_add_weak_pointer (G_OBJECT (*dialog), (gpointer) dialog);
|
|
object = pika_context_get_by_type ((*dialog)->context, (*dialog)->select_type);
|
|
|
|
if (*dialog && object &&
|
|
klass->run_callback &&
|
|
(*dialog)->callback_name &&
|
|
! (*dialog)->callback_busy)
|
|
{
|
|
(*dialog)->callback_busy = TRUE;
|
|
|
|
if (pika_pdb_lookup_procedure ((*dialog)->pdb, (*dialog)->callback_name))
|
|
{
|
|
PikaValueArray *return_vals;
|
|
GError *error = NULL;
|
|
|
|
return_vals = klass->run_callback (*dialog, object, closing, &error);
|
|
|
|
if (*dialog &&
|
|
g_value_get_enum (pika_value_array_index (return_vals, 0)) !=
|
|
PIKA_PDB_SUCCESS)
|
|
{
|
|
const gchar *message;
|
|
|
|
if (error && error->message)
|
|
message = error->message;
|
|
else
|
|
message = _("The corresponding plug-in may have crashed.");
|
|
|
|
pika_message ((*dialog)->context->pika, G_OBJECT (*dialog),
|
|
PIKA_MESSAGE_ERROR,
|
|
_("Unable to run %s callback.\n%s"),
|
|
g_type_name (G_TYPE_FROM_INSTANCE (*dialog)),
|
|
message);
|
|
}
|
|
else if (*dialog && error)
|
|
{
|
|
pika_message_literal ((*dialog)->context->pika, G_OBJECT (*dialog),
|
|
PIKA_MESSAGE_ERROR,
|
|
error->message);
|
|
g_error_free (error);
|
|
}
|
|
|
|
pika_value_array_unref (return_vals);
|
|
}
|
|
|
|
if (*dialog)
|
|
(*dialog)->callback_busy = FALSE;
|
|
}
|
|
|
|
if (*dialog)
|
|
g_object_remove_weak_pointer (G_OBJECT (*dialog), (gpointer) dialog);
|
|
}
|
|
|
|
PikaPdbDialog *
|
|
pika_pdb_dialog_get_by_callback (PikaPdbDialogClass *klass,
|
|
const gchar *callback_name)
|
|
{
|
|
GList *list;
|
|
|
|
g_return_val_if_fail (PIKA_IS_PDB_DIALOG_CLASS (klass), NULL);
|
|
g_return_val_if_fail (callback_name != NULL, NULL);
|
|
|
|
for (list = klass->dialogs; list; list = g_list_next (list))
|
|
{
|
|
PikaPdbDialog *dialog = list->data;
|
|
|
|
if (dialog->callback_name &&
|
|
! strcmp (callback_name, dialog->callback_name))
|
|
return dialog;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static void
|
|
pika_pdb_dialog_context_changed (PikaContext *context,
|
|
PikaObject *object,
|
|
PikaPdbDialog *dialog)
|
|
{
|
|
if (object)
|
|
pika_pdb_dialog_run_callback (&dialog, FALSE);
|
|
}
|
|
|
|
static void
|
|
pika_pdb_dialog_plug_in_closed (PikaPlugInManager *manager,
|
|
PikaPlugIn *plug_in,
|
|
PikaPdbDialog *dialog)
|
|
{
|
|
if (dialog->caller_context && dialog->callback_name)
|
|
{
|
|
if (! pika_pdb_lookup_procedure (dialog->pdb, dialog->callback_name))
|
|
{
|
|
gtk_dialog_response (GTK_DIALOG (dialog), GTK_RESPONSE_CLOSE);
|
|
}
|
|
}
|
|
}
|
