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-rw-r--r--app/widgets/gimpcontrollerinfo.c532
1 files changed, 532 insertions, 0 deletions
diff --git a/app/widgets/gimpcontrollerinfo.c b/app/widgets/gimpcontrollerinfo.c
new file mode 100644
index 0000000..a67203d
--- /dev/null
+++ b/app/widgets/gimpcontrollerinfo.c
@@ -0,0 +1,532 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * gimpcontrollerinfo.c
+ * Copyright (C) 2004-2005 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 "libgimpconfig/gimpconfig.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#define GIMP_ENABLE_CONTROLLER_UNDER_CONSTRUCTION
+#include "libgimpwidgets/gimpcontroller.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpmarshal.h"
+
+#include "gimpcontrollerinfo.h"
+
+#include "gimp-intl.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_ENABLED,
+ PROP_DEBUG_EVENTS,
+ PROP_CONTROLLER,
+ PROP_MAPPING
+};
+
+enum
+{
+ EVENT_MAPPED,
+ LAST_SIGNAL
+};
+
+
+static void gimp_controller_info_config_iface_init (GimpConfigInterface *iface);
+
+static void gimp_controller_info_finalize (GObject *object);
+static void gimp_controller_info_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_controller_info_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static gboolean gimp_controller_info_serialize_property (GimpConfig *config,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec,
+ GimpConfigWriter *writer);
+static gboolean gimp_controller_info_deserialize_property (GimpConfig *config,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec,
+ GScanner *scanner,
+ GTokenType *expected);
+
+static gboolean gimp_controller_info_event (GimpController *controller,
+ const GimpControllerEvent *event,
+ GimpControllerInfo *info);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpControllerInfo, gimp_controller_info,
+ GIMP_TYPE_VIEWABLE,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG,
+ gimp_controller_info_config_iface_init))
+
+#define parent_class gimp_controller_info_parent_class
+
+static guint info_signals[LAST_SIGNAL] = { 0 };
+
+
+static void
+gimp_controller_info_class_init (GimpControllerInfoClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
+
+ object_class->finalize = gimp_controller_info_finalize;
+ object_class->set_property = gimp_controller_info_set_property;
+ object_class->get_property = gimp_controller_info_get_property;
+
+ viewable_class->default_icon_name = GIMP_ICON_CONTROLLER;
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_ENABLED,
+ "enabled",
+ _("Enabled"),
+ NULL,
+ TRUE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_DEBUG_EVENTS,
+ "debug-events",
+ _("Debug events"),
+ NULL,
+ FALSE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_OBJECT (object_class, PROP_CONTROLLER,
+ "controller",
+ "Controller",
+ NULL,
+ GIMP_TYPE_CONTROLLER,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ GIMP_CONFIG_PROP_BOXED (object_class, PROP_MAPPING,
+ "mapping",
+ "Mapping",
+ NULL,
+ G_TYPE_HASH_TABLE,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ info_signals[EVENT_MAPPED] =
+ g_signal_new ("event-mapped",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GimpControllerInfoClass, event_mapped),
+ g_signal_accumulator_true_handled, NULL,
+ gimp_marshal_BOOLEAN__OBJECT_POINTER_STRING,
+ G_TYPE_BOOLEAN, 3,
+ G_TYPE_OBJECT,
+ G_TYPE_POINTER,
+ G_TYPE_STRING);
+}
+
+static void
+gimp_controller_info_init (GimpControllerInfo *info)
+{
+ info->controller = NULL;
+ info->mapping = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) g_free);
+}
+
+static void
+gimp_controller_info_config_iface_init (GimpConfigInterface *iface)
+{
+ iface->serialize_property = gimp_controller_info_serialize_property;
+ iface->deserialize_property = gimp_controller_info_deserialize_property;
+}
+
+static void
+gimp_controller_info_finalize (GObject *object)
+{
+ GimpControllerInfo *info = GIMP_CONTROLLER_INFO (object);
+
+ g_clear_object (&info->controller);
+ g_clear_pointer (&info->mapping, g_hash_table_unref);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_controller_info_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpControllerInfo *info = GIMP_CONTROLLER_INFO (object);
+
+ switch (property_id)
+ {
+ case PROP_ENABLED:
+ info->enabled = g_value_get_boolean (value);
+ break;
+ case PROP_DEBUG_EVENTS:
+ info->debug_events = g_value_get_boolean (value);
+ break;
+ case PROP_CONTROLLER:
+ if (info->controller)
+ {
+ g_signal_handlers_disconnect_by_func (info->controller,
+ gimp_controller_info_event,
+ info);
+ g_object_unref (info->controller);
+ }
+
+ info->controller = g_value_dup_object (value);
+
+ if (info->controller)
+ {
+ GimpControllerClass *controller_class;
+
+ g_signal_connect_object (info->controller, "event",
+ G_CALLBACK (gimp_controller_info_event),
+ G_OBJECT (info),
+ 0);
+
+ controller_class = GIMP_CONTROLLER_GET_CLASS (info->controller);
+ gimp_viewable_set_icon_name (GIMP_VIEWABLE (info),
+ controller_class->icon_name);
+ }
+ break;
+ case PROP_MAPPING:
+ if (info->mapping)
+ g_hash_table_unref (info->mapping);
+ info->mapping = g_value_dup_boxed (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_controller_info_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpControllerInfo *info = GIMP_CONTROLLER_INFO (object);
+
+ switch (property_id)
+ {
+ case PROP_ENABLED:
+ g_value_set_boolean (value, info->enabled);
+ break;
+ case PROP_DEBUG_EVENTS:
+ g_value_set_boolean (value, info->debug_events);
+ break;
+ case PROP_CONTROLLER:
+ g_value_set_object (value, info->controller);
+ break;
+ case PROP_MAPPING:
+ g_value_set_boxed (value, info->mapping);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_controller_info_serialize_mapping (gpointer key,
+ gpointer value,
+ gpointer data)
+{
+ const gchar *event_name = key;
+ const gchar *action_name = value;
+ GimpConfigWriter *writer = data;
+
+ gimp_config_writer_open (writer, "map");
+ gimp_config_writer_string (writer, event_name);
+ gimp_config_writer_string (writer, action_name);
+ gimp_config_writer_close (writer);
+}
+
+static gboolean
+gimp_controller_info_serialize_property (GimpConfig *config,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec,
+ GimpConfigWriter *writer)
+{
+ GHashTable *mapping;
+
+ if (property_id != PROP_MAPPING)
+ return FALSE;
+
+ mapping = g_value_get_boxed (value);
+
+ if (mapping)
+ {
+ gimp_config_writer_open (writer, pspec->name);
+
+ g_hash_table_foreach (mapping,
+ (GHFunc) gimp_controller_info_serialize_mapping,
+ writer);
+
+ gimp_config_writer_close (writer);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gimp_controller_info_deserialize_property (GimpConfig *config,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec,
+ GScanner *scanner,
+ GTokenType *expected)
+{
+ GHashTable *mapping;
+ GTokenType token;
+
+ if (property_id != PROP_MAPPING)
+ return FALSE;
+
+ mapping = g_hash_table_new_full (g_str_hash,
+ g_str_equal,
+ (GDestroyNotify) g_free,
+ (GDestroyNotify) g_free);
+
+ token = G_TOKEN_LEFT_PAREN;
+
+ while (g_scanner_peek_next_token (scanner) == token)
+ {
+ token = g_scanner_get_next_token (scanner);
+
+ switch (token)
+ {
+ case G_TOKEN_LEFT_PAREN:
+ token = G_TOKEN_IDENTIFIER;
+ break;
+
+ case G_TOKEN_IDENTIFIER:
+ if (! strcmp (scanner->value.v_identifier, "map"))
+ {
+ gchar *event_name;
+ gchar *action_name;
+
+ token = G_TOKEN_STRING;
+ if (! gimp_scanner_parse_string (scanner, &event_name))
+ goto error;
+
+ token = G_TOKEN_STRING;
+ if (! gimp_scanner_parse_string (scanner, &action_name))
+ goto error;
+
+ g_hash_table_insert (mapping, event_name, action_name);
+ }
+ token = G_TOKEN_RIGHT_PAREN;
+ break;
+
+ case G_TOKEN_RIGHT_PAREN:
+ token = G_TOKEN_LEFT_PAREN;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (token == G_TOKEN_LEFT_PAREN)
+ {
+ token = G_TOKEN_RIGHT_PAREN;
+
+ if (g_scanner_peek_next_token (scanner) == token)
+ {
+ g_value_take_boxed (value, mapping);
+ }
+ else
+ {
+ goto error;
+ }
+ }
+ else
+ {
+ error:
+ g_hash_table_unref (mapping);
+
+ *expected = token;
+ }
+
+ return TRUE;
+}
+
+
+/* public functions */
+
+GimpControllerInfo *
+gimp_controller_info_new (GType type)
+{
+ GimpControllerClass *controller_class;
+ GimpController *controller;
+ GimpControllerInfo *info;
+
+ g_return_val_if_fail (g_type_is_a (type, GIMP_TYPE_CONTROLLER), NULL);
+
+ controller_class = g_type_class_ref (type);
+
+ controller = gimp_controller_new (type);
+ info = g_object_new (GIMP_TYPE_CONTROLLER_INFO,
+ "name", controller_class->name,
+ "controller", controller,
+ NULL);
+ g_object_unref (controller);
+
+ g_type_class_unref (controller_class);
+
+ return info;
+}
+
+void
+gimp_controller_info_set_enabled (GimpControllerInfo *info,
+ gboolean enabled)
+{
+ g_return_if_fail (GIMP_IS_CONTROLLER_INFO (info));
+
+ if (enabled != info->enabled)
+ g_object_set (info, "enabled", enabled, NULL);
+}
+
+gboolean
+gimp_controller_info_get_enabled (GimpControllerInfo *info)
+{
+ g_return_val_if_fail (GIMP_IS_CONTROLLER_INFO (info), FALSE);
+
+ return info->enabled;
+}
+
+void
+gimp_controller_info_set_event_snooper (GimpControllerInfo *info,
+ GimpControllerEventSnooper snooper,
+ gpointer snooper_data)
+{
+ g_return_if_fail (GIMP_IS_CONTROLLER_INFO (info));
+
+ info->snooper = snooper;
+ info->snooper_data = snooper_data;
+}
+
+
+/* private functions */
+
+static gboolean
+gimp_controller_info_event (GimpController *controller,
+ const GimpControllerEvent *event,
+ GimpControllerInfo *info)
+{
+ const gchar *event_name;
+ const gchar *event_blurb;
+ const gchar *action_name = NULL;
+
+ event_name = gimp_controller_get_event_name (controller,
+ event->any.event_id);
+ event_blurb = gimp_controller_get_event_blurb (controller,
+ event->any.event_id);
+
+ if (info->debug_events)
+ {
+ g_print ("Received '%s' (class '%s')\n"
+ " controller event '%s (%s)'\n",
+ controller->name, GIMP_CONTROLLER_GET_CLASS (controller)->name,
+ event_name, event_blurb);
+
+ switch (event->any.type)
+ {
+ case GIMP_CONTROLLER_EVENT_TRIGGER:
+ g_print (" (trigger event)\n");
+ break;
+
+ case GIMP_CONTROLLER_EVENT_VALUE:
+ if (G_VALUE_HOLDS_DOUBLE (&event->value.value))
+ g_print (" (value event, value = %f)\n",
+ g_value_get_double (&event->value.value));
+ else
+ g_print (" (value event, unhandled type '%s')\n",
+ g_type_name (event->value.value.g_type));
+ break;
+ }
+ }
+
+ if (info->snooper)
+ {
+ if (info->snooper (info, controller, event, info->snooper_data))
+ {
+ if (info->debug_events)
+ g_print (" intercepted by event snooper\n\n");
+
+ return TRUE;
+ }
+ }
+
+ if (! info->enabled)
+ {
+ if (info->debug_events)
+ g_print (" ignoring because controller is disabled\n\n");
+
+ return FALSE;
+ }
+
+ if (info->mapping)
+ action_name = g_hash_table_lookup (info->mapping, event_name);
+
+ if (action_name)
+ {
+ gboolean retval = FALSE;
+
+ if (info->debug_events)
+ g_print (" maps to action '%s'\n", action_name);
+
+ g_signal_emit (info, info_signals[EVENT_MAPPED], 0,
+ controller, event, action_name, &retval);
+
+ if (info->debug_events)
+ {
+ if (retval)
+ g_print (" action was found\n\n");
+ else
+ g_print (" action NOT found\n\n");
+ }
+
+ return retval;
+ }
+ else
+ {
+ if (info->debug_events)
+ g_print (" doesn't map to action\n\n");
+ }
+
+ return FALSE;
+}
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