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-rw-r--r--app/widgets/gimpdevices.c343
1 files changed, 343 insertions, 0 deletions
diff --git a/app/widgets/gimpdevices.c b/app/widgets/gimpdevices.c
new file mode 100644
index 0000000..22c691e
--- /dev/null
+++ b/app/widgets/gimpdevices.c
@@ -0,0 +1,343 @@
+/* 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpconfig/gimpconfig.h"
+#include "libgimpbase/gimpbase.h"
+
+#include "widgets-types.h"
+
+#include "config/gimpguiconfig.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpdatafactory.h"
+#include "core/gimperror.h"
+#include "core/gimpgradient.h"
+#include "core/gimplist.h"
+#include "core/gimppattern.h"
+#include "core/gimptoolinfo.h"
+
+#include "gimpdeviceinfo.h"
+#include "gimpdevicemanager.h"
+#include "gimpdevices.h"
+
+#include "gimp-intl.h"
+
+
+#define GIMP_DEVICE_MANAGER_DATA_KEY "gimp-device-manager"
+
+
+static gboolean devicerc_deleted = FALSE;
+
+
+/* public functions */
+
+void
+gimp_devices_init (Gimp *gimp)
+{
+ GimpDeviceManager *manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ manager = g_object_get_data (G_OBJECT (gimp), GIMP_DEVICE_MANAGER_DATA_KEY);
+
+ g_return_if_fail (manager == NULL);
+
+ manager = gimp_device_manager_new (gimp);
+
+ g_object_set_data_full (G_OBJECT (gimp),
+ GIMP_DEVICE_MANAGER_DATA_KEY, manager,
+ (GDestroyNotify) g_object_unref);
+}
+
+void
+gimp_devices_exit (Gimp *gimp)
+{
+ GimpDeviceManager *manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ manager = gimp_devices_get_manager (gimp);
+
+ g_return_if_fail (GIMP_IS_DEVICE_MANAGER (manager));
+
+ g_object_set_data (G_OBJECT (gimp), GIMP_DEVICE_MANAGER_DATA_KEY, NULL);
+}
+
+void
+gimp_devices_restore (Gimp *gimp)
+{
+ GimpDeviceManager *manager;
+ GList *list;
+ GFile *file;
+ GError *error = NULL;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ manager = gimp_devices_get_manager (gimp);
+
+ g_return_if_fail (GIMP_IS_DEVICE_MANAGER (manager));
+
+ for (list = GIMP_LIST (manager)->queue->head;
+ list;
+ list = g_list_next (list))
+ {
+ GimpDeviceInfo *device_info = list->data;
+
+ gimp_device_info_save_tool (device_info);
+ gimp_device_info_set_default_tool (device_info);
+ }
+
+ file = gimp_directory_file ("devicerc", NULL);
+
+ if (gimp->be_verbose)
+ g_print ("Parsing '%s'\n", gimp_file_get_utf8_name (file));
+
+ if (! gimp_config_deserialize_gfile (GIMP_CONFIG (manager),
+ file,
+ gimp,
+ &error))
+ {
+ if (error->code != GIMP_CONFIG_ERROR_OPEN_ENOENT)
+ gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
+
+ g_error_free (error);
+ /* don't bail out here */
+ }
+
+ g_object_unref (file);
+
+ for (list = GIMP_LIST (manager)->queue->head;
+ list;
+ list = g_list_next (list))
+ {
+ GimpDeviceInfo *device_info = list->data;
+
+ if (! GIMP_TOOL_PRESET (device_info)->tool_options)
+ {
+ gimp_device_info_save_tool (device_info);
+
+ g_printerr ("%s: set default tool on loaded GimpDeviceInfo without tool options: %s\n",
+ G_STRFUNC, gimp_object_get_name (device_info));
+ }
+ }
+
+ if (! GIMP_GUI_CONFIG (gimp->config)->devices_share_tool)
+ {
+ GimpDeviceInfo *current_device;
+
+ current_device = gimp_device_manager_get_current_device (manager);
+
+ gimp_device_info_restore_tool (current_device);
+ }
+}
+
+void
+gimp_devices_save (Gimp *gimp,
+ gboolean always_save)
+{
+ GimpDeviceManager *manager;
+ GFile *file;
+ GError *error = NULL;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ manager = gimp_devices_get_manager (gimp);
+
+ g_return_if_fail (GIMP_IS_DEVICE_MANAGER (manager));
+
+ if (devicerc_deleted && ! always_save)
+ return;
+
+ file = gimp_directory_file ("devicerc", NULL);
+
+ if (gimp->be_verbose)
+ g_print ("Writing '%s'\n", gimp_file_get_utf8_name (file));
+
+ if (! GIMP_GUI_CONFIG (gimp->config)->devices_share_tool)
+ {
+ GimpDeviceInfo *current_device;
+
+ current_device = gimp_device_manager_get_current_device (manager);
+
+ gimp_device_info_save_tool (current_device);
+ }
+
+ if (! gimp_config_serialize_to_gfile (GIMP_CONFIG (manager),
+ file,
+ "GIMP devicerc",
+ "end of devicerc",
+ NULL,
+ &error))
+ {
+ gimp_message_literal (gimp, NULL, GIMP_MESSAGE_ERROR, error->message);
+ g_error_free (error);
+ }
+
+ g_object_unref (file);
+
+ devicerc_deleted = FALSE;
+}
+
+gboolean
+gimp_devices_clear (Gimp *gimp,
+ GError **error)
+{
+ GimpDeviceManager *manager;
+ GFile *file;
+ GError *my_error = NULL;
+ gboolean success = TRUE;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+ manager = gimp_devices_get_manager (gimp);
+
+ g_return_val_if_fail (GIMP_IS_DEVICE_MANAGER (manager), FALSE);
+
+ file = gimp_directory_file ("devicerc", NULL);
+
+ if (! g_file_delete (file, NULL, &my_error) &&
+ my_error->code != G_IO_ERROR_NOT_FOUND)
+ {
+ success = FALSE;
+
+ g_set_error (error, GIMP_ERROR, GIMP_FAILED,
+ _("Deleting \"%s\" failed: %s"),
+ gimp_file_get_utf8_name (file), my_error->message);
+ }
+ else
+ {
+ devicerc_deleted = TRUE;
+ }
+
+ g_clear_error (&my_error);
+ g_object_unref (file);
+
+ return success;
+}
+
+GimpDeviceManager *
+gimp_devices_get_manager (Gimp *gimp)
+{
+ GimpDeviceManager *manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+ manager = g_object_get_data (G_OBJECT (gimp), GIMP_DEVICE_MANAGER_DATA_KEY);
+
+ g_return_val_if_fail (GIMP_IS_DEVICE_MANAGER (manager), NULL);
+
+ return manager;
+}
+
+void
+gimp_devices_add_widget (Gimp *gimp,
+ GtkWidget *widget)
+{
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+
+ gtk_widget_set_extension_events (widget, GDK_EXTENSION_EVENTS_ALL);
+
+ g_signal_connect (widget, "motion-notify-event",
+ G_CALLBACK (gimp_devices_check_callback),
+ gimp);
+}
+
+gboolean
+gimp_devices_check_callback (GtkWidget *widget,
+ GdkEvent *event,
+ Gimp *gimp)
+{
+ g_return_val_if_fail (event != NULL, FALSE);
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+ if (! gimp->busy)
+ gimp_devices_check_change (gimp, event);
+
+ return FALSE;
+}
+
+gboolean
+gimp_devices_check_change (Gimp *gimp,
+ GdkEvent *event)
+{
+ GimpDeviceManager *manager;
+ GdkDevice *device;
+ GimpDeviceInfo *device_info;
+ GtkWidget *source;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ manager = gimp_devices_get_manager (gimp);
+
+ g_return_val_if_fail (GIMP_IS_DEVICE_MANAGER (manager), FALSE);
+
+ /* It is possible that the event was propagated from a widget that does not
+ want extension events and therefore always sends core pointer events.
+ This can cause a false switch to the core pointer device. */
+
+ source = gtk_get_event_widget (event);
+
+ if (source &&
+ gtk_widget_get_extension_events (source) == GDK_EXTENSION_EVENTS_NONE)
+ return FALSE;
+
+ switch (event->type)
+ {
+ case GDK_MOTION_NOTIFY:
+ device = ((GdkEventMotion *) event)->device;
+ break;
+
+ case GDK_BUTTON_PRESS:
+ case GDK_2BUTTON_PRESS:
+ case GDK_3BUTTON_PRESS:
+ case GDK_BUTTON_RELEASE:
+ device = ((GdkEventButton *) event)->device;
+ break;
+
+ case GDK_PROXIMITY_IN:
+ case GDK_PROXIMITY_OUT:
+ device = ((GdkEventProximity *) event)->device;
+ break;
+
+ case GDK_SCROLL:
+ device = ((GdkEventScroll *) event)->device;
+ break;
+
+ default:
+ device = gimp_device_manager_get_current_device (manager)->device;
+ break;
+ }
+
+ device_info = gimp_device_info_get_by_device (device);
+
+ if (device_info != gimp_device_manager_get_current_device (manager))
+ {
+ gimp_device_manager_set_current_device (manager, device_info);
+ return TRUE;
+ }
+
+ return FALSE;
+}
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