PIKApp/app/widgets/pikacontrollers.c

378 lines
11 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
*
* 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 <gegl.h>
#include <gtk/gtk.h>
#include "libpikabase/pikabase.h"
#include "libpikaconfig/pikaconfig.h"
#include "libpikawidgets/pikawidgets.h"
#define PIKA_ENABLE_CONTROLLER_UNDER_CONSTRUCTION
#include "libpikawidgets/pikacontroller.h"
#include "widgets-types.h"
#include "core/pika.h"
#include "core/pikalist.h"
#include "pikaaction.h"
#include "pikaactiongroup.h"
#include "pikacontrollerinfo.h"
#include "pikacontrollers.h"
#include "pikacontrollerkeyboard.h"
#include "pikacontrollerwheel.h"
#include "pikaenumaction.h"
#include "pikauimanager.h"
#include "pika-intl.h"
#define PIKA_CONTROLLER_MANAGER_DATA_KEY "pika-controller-manager"
typedef struct _PikaControllerManager PikaControllerManager;
struct _PikaControllerManager
{
PikaContainer *controllers;
GQuark event_mapped_id;
PikaController *wheel;
PikaController *keyboard;
PikaUIManager *ui_manager;
};
/* local function prototypes */
static PikaControllerManager * pika_controller_manager_get (Pika *pika);
static void pika_controller_manager_free (PikaControllerManager *manager);
static void pika_controllers_add (PikaContainer *container,
PikaControllerInfo *info,
PikaControllerManager *manager);
static void pika_controllers_remove (PikaContainer *container,
PikaControllerInfo *info,
PikaControllerManager *manager);
static gboolean pika_controllers_event_mapped (PikaControllerInfo *info,
PikaController *controller,
const PikaControllerEvent *event,
const gchar *action_name,
PikaControllerManager *manager);
/* public functions */
void
pika_controllers_init (Pika *pika)
{
PikaControllerManager *manager;
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (pika_controller_manager_get (pika) == NULL);
manager = g_slice_new0 (PikaControllerManager);
g_object_set_data_full (G_OBJECT (pika),
PIKA_CONTROLLER_MANAGER_DATA_KEY, manager,
(GDestroyNotify) pika_controller_manager_free);
manager->controllers = pika_list_new (PIKA_TYPE_CONTROLLER_INFO, TRUE);
g_signal_connect (manager->controllers, "add",
G_CALLBACK (pika_controllers_add),
manager);
g_signal_connect (manager->controllers, "remove",
G_CALLBACK (pika_controllers_remove),
manager);
manager->event_mapped_id =
pika_container_add_handler (manager->controllers, "event-mapped",
G_CALLBACK (pika_controllers_event_mapped),
manager);
g_type_class_ref (PIKA_TYPE_CONTROLLER_WHEEL);
g_type_class_ref (PIKA_TYPE_CONTROLLER_KEYBOARD);
}
void
pika_controllers_exit (Pika *pika)
{
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (pika_controller_manager_get (pika) != NULL);
g_object_set_data (G_OBJECT (pika), PIKA_CONTROLLER_MANAGER_DATA_KEY, NULL);
g_type_class_unref (g_type_class_peek (PIKA_TYPE_CONTROLLER_WHEEL));
g_type_class_unref (g_type_class_peek (PIKA_TYPE_CONTROLLER_KEYBOARD));
}
void
pika_controllers_restore (Pika *pika,
PikaUIManager *ui_manager)
{
PikaControllerManager *manager;
GFile *file;
GError *error = NULL;
g_return_if_fail (PIKA_IS_PIKA (pika));
g_return_if_fail (PIKA_IS_UI_MANAGER (ui_manager));
manager = pika_controller_manager_get (pika);
g_return_if_fail (manager != NULL);
g_return_if_fail (manager->ui_manager == NULL);
manager->ui_manager = ui_manager;
file = pika_directory_file ("controllerrc", NULL);
if (pika->be_verbose)
g_print ("Parsing '%s'\n", pika_file_get_utf8_name (file));
if (! pika_config_deserialize_file (PIKA_CONFIG (manager->controllers),
file, NULL, &error))
{
if (error->code == PIKA_CONFIG_ERROR_OPEN_ENOENT)
{
g_clear_error (&error);
g_object_unref (file);
if (g_getenv ("PIKA_TESTING_ABS_TOP_SRCDIR"))
{
gchar *path;
path = g_build_filename (g_getenv ("PIKA_TESTING_ABS_TOP_SRCDIR"),
"etc", "controllerrc", NULL);
file = g_file_new_for_path (path);
g_free (path);
}
else
{
file = pika_sysconf_directory_file ("controllerrc", NULL);
}
if (! pika_config_deserialize_file (PIKA_CONFIG (manager->controllers),
file, NULL, &error))
{
pika_message_literal (pika, NULL, PIKA_MESSAGE_ERROR,
error->message);
}
}
else
{
pika_message_literal (pika, NULL, PIKA_MESSAGE_ERROR, error->message);
}
g_clear_error (&error);
}
pika_list_reverse (PIKA_LIST (manager->controllers));
g_object_unref (file);
}
void
pika_controllers_save (Pika *pika)
{
const gchar *header =
"PIKA controllerrc\n"
"\n"
"This file will be entirely rewritten each time you exit.";
const gchar *footer =
"end of controllerrc";
PikaControllerManager *manager;
GFile *file;
GError *error = NULL;
g_return_if_fail (PIKA_IS_PIKA (pika));
manager = pika_controller_manager_get (pika);
g_return_if_fail (manager != NULL);
file = pika_directory_file ("controllerrc", NULL);
if (pika->be_verbose)
g_print ("Writing '%s'\n", pika_file_get_utf8_name (file));
if (! pika_config_serialize_to_file (PIKA_CONFIG (manager->controllers),
file,
header, footer, NULL,
&error))
{
pika_message_literal (pika, NULL, PIKA_MESSAGE_ERROR, error->message);
g_error_free (error);
}
g_object_unref (file);
}
PikaContainer *
pika_controllers_get_list (Pika *pika)
{
PikaControllerManager *manager;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
manager = pika_controller_manager_get (pika);
g_return_val_if_fail (manager != NULL, NULL);
return manager->controllers;
}
PikaUIManager *
pika_controllers_get_ui_manager (Pika *pika)
{
PikaControllerManager *manager;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
manager = pika_controller_manager_get (pika);
g_return_val_if_fail (manager != NULL, NULL);
return manager->ui_manager;
}
PikaController *
pika_controllers_get_wheel (Pika *pika)
{
PikaControllerManager *manager;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
manager = pika_controller_manager_get (pika);
g_return_val_if_fail (manager != NULL, NULL);
return manager->wheel;
}
PikaController *
pika_controllers_get_keyboard (Pika *pika)
{
PikaControllerManager *manager;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
manager = pika_controller_manager_get (pika);
g_return_val_if_fail (manager != NULL, NULL);
return manager->keyboard;
}
/* private functions */
static PikaControllerManager *
pika_controller_manager_get (Pika *pika)
{
return g_object_get_data (G_OBJECT (pika), PIKA_CONTROLLER_MANAGER_DATA_KEY);
}
static void
pika_controller_manager_free (PikaControllerManager *manager)
{
pika_container_remove_handler (manager->controllers,
manager->event_mapped_id);
g_clear_object (&manager->controllers);
g_slice_free (PikaControllerManager, manager);
}
static void
pika_controllers_add (PikaContainer *container,
PikaControllerInfo *info,
PikaControllerManager *manager)
{
if (PIKA_IS_CONTROLLER_WHEEL (info->controller))
manager->wheel = info->controller;
else if (PIKA_IS_CONTROLLER_KEYBOARD (info->controller))
manager->keyboard = info->controller;
}
static void
pika_controllers_remove (PikaContainer *container,
PikaControllerInfo *info,
PikaControllerManager *manager)
{
if (info->controller == manager->wheel)
manager->wheel = NULL;
else if (info->controller == manager->keyboard)
manager->keyboard = NULL;
}
static gboolean
pika_controllers_event_mapped (PikaControllerInfo *info,
PikaController *controller,
const PikaControllerEvent *event,
const gchar *action_name,
PikaControllerManager *manager)
{
GList *list;
for (list = pika_ui_manager_get_action_groups (manager->ui_manager);
list;
list = g_list_next (list))
{
PikaActionGroup *group = list->data;
PikaAction *action;
action = pika_action_group_get_action (group, action_name);
if (action)
{
switch (event->type)
{
case PIKA_CONTROLLER_EVENT_VALUE:
if (G_VALUE_HOLDS_DOUBLE (&event->value.value) &&
PIKA_IS_ENUM_ACTION (action) &&
PIKA_ENUM_ACTION (action)->value_variable)
{
gdouble value = g_value_get_double (&event->value.value);
pika_action_emit_activate (PIKA_ACTION (action),
g_variant_new_int32 (value * 1000));
break;
}
/* else fallthru */
case PIKA_CONTROLLER_EVENT_TRIGGER:
default:
pika_action_activate (action);
break;
}
return TRUE;
}
}
return FALSE;
}