gimp/app/widgets/gimpcontrollers.c

382 lines
11 KiB
C

/* GIMP - The GNU Image Manipulation Program
* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#define GIMP_ENABLE_CONTROLLER_UNDER_CONSTRUCTION
#include "libgimpwidgets/gimpcontroller.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimplist.h"
#include "gimpcontrollerinfo.h"
#include "gimpcontrollers.h"
#include "gimpcontrollerkeyboard.h"
#include "gimpcontrollermouse.h"
#include "gimpcontrollerwheel.h"
#include "gimpenumaction.h"
#include "gimpuimanager.h"
#include "gimp-intl.h"
#define GIMP_CONTROLLER_MANAGER_DATA_KEY "gimp-controller-manager"
typedef struct _GimpControllerManager GimpControllerManager;
struct _GimpControllerManager
{
GimpContainer *controllers;
GQuark event_mapped_id;
GimpController *mouse;
GimpController *wheel;
GimpController *keyboard;
GimpUIManager *ui_manager;
};
/* local function prototypes */
static GimpControllerManager * gimp_controller_manager_get (Gimp *gimp);
static void gimp_controller_manager_free (GimpControllerManager *manager);
static void gimp_controllers_add (GimpContainer *container,
GimpControllerInfo *info,
GimpControllerManager *manager);
static void gimp_controllers_remove (GimpContainer *container,
GimpControllerInfo *info,
GimpControllerManager *manager);
static gboolean gimp_controllers_event_mapped (GimpControllerInfo *info,
GimpController *controller,
const GimpControllerEvent *event,
const gchar *action_name,
GimpControllerManager *manager);
/* public functions */
void
gimp_controllers_init (Gimp *gimp)
{
GimpControllerManager *manager;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (gimp_controller_manager_get (gimp) == NULL);
manager = g_slice_new0 (GimpControllerManager);
g_object_set_data_full (G_OBJECT (gimp),
GIMP_CONTROLLER_MANAGER_DATA_KEY, manager,
(GDestroyNotify) gimp_controller_manager_free);
manager->controllers = gimp_list_new (GIMP_TYPE_CONTROLLER_INFO, TRUE);
g_signal_connect (manager->controllers, "add",
G_CALLBACK (gimp_controllers_add),
manager);
g_signal_connect (manager->controllers, "remove",
G_CALLBACK (gimp_controllers_remove),
manager);
manager->event_mapped_id =
gimp_container_add_handler (manager->controllers, "event-mapped",
G_CALLBACK (gimp_controllers_event_mapped),
manager);
g_type_class_ref (GIMP_TYPE_CONTROLLER_MOUSE);
g_type_class_ref (GIMP_TYPE_CONTROLLER_WHEEL);
g_type_class_ref (GIMP_TYPE_CONTROLLER_KEYBOARD);
}
void
gimp_controllers_exit (Gimp *gimp)
{
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (gimp_controller_manager_get (gimp) != NULL);
g_object_set_data (G_OBJECT (gimp), GIMP_CONTROLLER_MANAGER_DATA_KEY, NULL);
g_type_class_unref (g_type_class_peek (GIMP_TYPE_CONTROLLER_WHEEL));
g_type_class_unref (g_type_class_peek (GIMP_TYPE_CONTROLLER_KEYBOARD));
}
void
gimp_controllers_restore (Gimp *gimp,
GimpUIManager *ui_manager)
{
GimpControllerManager *manager;
GFile *file;
GError *error = NULL;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (GIMP_IS_UI_MANAGER (ui_manager));
manager = gimp_controller_manager_get (gimp);
g_return_if_fail (manager != NULL);
g_return_if_fail (manager->ui_manager == NULL);
manager->ui_manager = g_object_ref (ui_manager);
file = gimp_directory_file ("controllerrc", NULL);
if (gimp->be_verbose)
g_print ("Parsing '%s'\n", gimp_file_get_utf8_name (file));
if (! gimp_config_deserialize_gfile (GIMP_CONFIG (manager->controllers),
file, NULL, &error))
{
if (error->code == GIMP_CONFIG_ERROR_OPEN_ENOENT)
{
g_clear_error (&error);
g_object_unref (file);
file = gimp_sysconf_directory_file ("controllerrc", NULL);
if (! gimp_config_deserialize_gfile (GIMP_CONFIG (manager->controllers),
file, NULL, &error))
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR,
error->message);
}
}
else
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
}
g_clear_error (&error);
}
gimp_list_reverse (GIMP_LIST (manager->controllers));
g_object_unref (file);
}
void
gimp_controllers_save (Gimp *gimp)
{
const gchar *header =
"GIMP controllerrc\n"
"\n"
"This file will be entirely rewritten each time you exit.";
const gchar *footer =
"end of controllerrc";
GimpControllerManager *manager;
GFile *file;
GError *error = NULL;
g_return_if_fail (GIMP_IS_GIMP (gimp));
manager = gimp_controller_manager_get (gimp);
g_return_if_fail (manager != NULL);
file = gimp_directory_file ("controllerrc", NULL);
if (gimp->be_verbose)
g_print ("Writing '%s'\n", gimp_file_get_utf8_name (file));
if (! gimp_config_serialize_to_gfile (GIMP_CONFIG (manager->controllers),
file,
header, footer, NULL,
&error))
{
gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
g_error_free (error);
}
g_object_unref (file);
}
GimpContainer *
gimp_controllers_get_list (Gimp *gimp)
{
GimpControllerManager *manager;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
manager = gimp_controller_manager_get (gimp);
g_return_val_if_fail (manager != NULL, NULL);
return manager->controllers;
}
GimpUIManager *
gimp_controllers_get_ui_manager (Gimp *gimp)
{
GimpControllerManager *manager;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
manager = gimp_controller_manager_get (gimp);
g_return_val_if_fail (manager != NULL, NULL);
return manager->ui_manager;
}
GimpController *
gimp_controllers_get_mouse (Gimp *gimp)
{
GimpControllerManager *manager;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
manager = gimp_controller_manager_get (gimp);
g_return_val_if_fail (manager != NULL, NULL);
return manager->mouse;
}
GimpController *
gimp_controllers_get_wheel (Gimp *gimp)
{
GimpControllerManager *manager;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
manager = gimp_controller_manager_get (gimp);
g_return_val_if_fail (manager != NULL, NULL);
return manager->wheel;
}
GimpController *
gimp_controllers_get_keyboard (Gimp *gimp)
{
GimpControllerManager *manager;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
manager = gimp_controller_manager_get (gimp);
g_return_val_if_fail (manager != NULL, NULL);
return manager->keyboard;
}
/* private functions */
static GimpControllerManager *
gimp_controller_manager_get (Gimp *gimp)
{
return g_object_get_data (G_OBJECT (gimp), GIMP_CONTROLLER_MANAGER_DATA_KEY);
}
static void
gimp_controller_manager_free (GimpControllerManager *manager)
{
gimp_container_remove_handler (manager->controllers,
manager->event_mapped_id);
g_object_unref (manager->controllers);
g_object_unref (manager->ui_manager);
g_slice_free (GimpControllerManager, manager);
}
static void
gimp_controllers_add (GimpContainer *container,
GimpControllerInfo *info,
GimpControllerManager *manager)
{
if (GIMP_IS_CONTROLLER_WHEEL (info->controller))
manager->wheel = info->controller;
else if (GIMP_IS_CONTROLLER_KEYBOARD (info->controller))
manager->keyboard = info->controller;
else if (GIMP_IS_CONTROLLER_MOUSE (info->controller))
manager->mouse = info->controller;
}
static void
gimp_controllers_remove (GimpContainer *container,
GimpControllerInfo *info,
GimpControllerManager *manager)
{
if (info->controller == manager->wheel)
manager->wheel = NULL;
else if (info->controller == manager->keyboard)
manager->keyboard = NULL;
}
static gboolean
gimp_controllers_event_mapped (GimpControllerInfo *info,
GimpController *controller,
const GimpControllerEvent *event,
const gchar *action_name,
GimpControllerManager *manager)
{
GtkUIManager *ui_manager = GTK_UI_MANAGER (manager->ui_manager);
GList *list;
for (list = gtk_ui_manager_get_action_groups (ui_manager);
list;
list = g_list_next (list))
{
GtkActionGroup *group = list->data;
GtkAction *action;
action = gtk_action_group_get_action (group, action_name);
if (action)
{
switch (event->type)
{
case GIMP_CONTROLLER_EVENT_VALUE:
if (G_VALUE_HOLDS_DOUBLE (&event->value.value) &&
GIMP_IS_ENUM_ACTION (action) &&
GIMP_ENUM_ACTION (action)->value_variable)
{
gdouble value = g_value_get_double (&event->value.value);
gimp_enum_action_selected (GIMP_ENUM_ACTION (action),
value * 1000);
break;
}
/* else fallthru */
case GIMP_CONTROLLER_EVENT_TRIGGER:
default:
gtk_action_activate (action);
break;
}
return TRUE;
}
}
return FALSE;
}