Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 263 insertions, 0 deletions

diff --git a/libgimpwidgets/gimpcontroller.c b/libgimpwidgets/gimpcontroller.c
new file mode 100644
index 0000000..72199df
--- /dev/null
+++ b/libgimpwidgets/gimpcontroller.c
@@ -0,0 +1,263 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * gimpcontroller.c
+ * Copyright (C) 2004 Michael Natterer <mitch@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  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 "gimpwidgetstypes.h"
+
+#include "gimpwidgetsmarshal.h"
+
+#define GIMP_ENABLE_CONTROLLER_UNDER_CONSTRUCTION
+#include "gimpcontroller.h"
+#include "gimpicons.h"
+
+
+/**
+ * SECTION: gimpcontroller
+ * @title: GimpController
+ * @short_description: Pluggable GIMP input controller modules.
+ *
+ * An abstract interface for implementing arbitrary input controllers.
+ **/
+
+
+enum
+{
+  PROP_0,
+  PROP_NAME,
+  PROP_STATE
+};
+
+enum
+{
+  EVENT,
+  LAST_SIGNAL
+};
+
+
+static void   gimp_controller_finalize     (GObject      *object);
+static void   gimp_controller_set_property (GObject      *object,
+                                            guint         property_id,
+                                            const GValue *value,
+                                            GParamSpec   *pspec);
+static void   gimp_controller_get_property (GObject      *object,
+                                            guint         property_id,
+                                            GValue       *value,
+                                            GParamSpec   *pspec);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpController, gimp_controller, G_TYPE_OBJECT,
+                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, NULL))
+
+#define parent_class gimp_controller_parent_class
+
+static guint controller_signals[LAST_SIGNAL] = { 0 };
+
+
+static void
+gimp_controller_class_init (GimpControllerClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize     = gimp_controller_finalize;
+  object_class->set_property = gimp_controller_set_property;
+  object_class->get_property = gimp_controller_get_property;
+
+  klass->name                = "Unnamed";
+  klass->help_domain         = NULL;
+  klass->help_id             = NULL;
+  klass->icon_name           = GIMP_ICON_CONTROLLER;
+
+  klass->get_n_events        = NULL;
+  klass->get_event_name      = NULL;
+  klass->event               = NULL;
+
+  g_object_class_install_property (object_class, PROP_NAME,
+                                   g_param_spec_string ("name",
+                                                        "Name",
+                                                        "The controller's name",
+                                                        "Unnamed Controller",
+                                                        GIMP_PARAM_READWRITE |
+                                                        G_PARAM_CONSTRUCT));
+
+  g_object_class_install_property (object_class, PROP_STATE,
+                                   g_param_spec_string ("state",
+                                                        "State",
+                                                        "The controller's state, as human-readable string",
+                                                        "Unknown",
+                                                        GIMP_PARAM_READWRITE |
+                                                        G_PARAM_CONSTRUCT));
+
+  controller_signals[EVENT] =
+    g_signal_new ("event",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (GimpControllerClass, event),
+                  g_signal_accumulator_true_handled, NULL,
+                  _gimp_widgets_marshal_BOOLEAN__POINTER,
+                  G_TYPE_BOOLEAN, 1,
+                  G_TYPE_POINTER);
+}
+
+static void
+gimp_controller_init (GimpController *controller)
+{
+}
+
+static void
+gimp_controller_finalize (GObject *object)
+{
+  GimpController *controller = GIMP_CONTROLLER (object);
+
+  g_clear_pointer (&controller->name,  g_free);
+  g_clear_pointer (&controller->state, g_free);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_controller_set_property (GObject      *object,
+                              guint         property_id,
+                              const GValue *value,
+                              GParamSpec   *pspec)
+{
+  GimpController *controller = GIMP_CONTROLLER (object);
+
+  switch (property_id)
+    {
+    case PROP_NAME:
+      if (controller->name)
+        g_free (controller->name);
+      controller->name = g_value_dup_string (value);
+      break;
+    case PROP_STATE:
+      if (controller->state)
+        g_free (controller->state);
+      controller->state = g_value_dup_string (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_controller_get_property (GObject    *object,
+                              guint       property_id,
+                              GValue     *value,
+                              GParamSpec *pspec)
+{
+  GimpController *controller = GIMP_CONTROLLER (object);
+
+  switch (property_id)
+    {
+    case PROP_NAME:
+      g_value_set_string (value, controller->name);
+      break;
+    case PROP_STATE:
+      g_value_set_string (value, controller->state);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+GimpController *
+gimp_controller_new (GType controller_type)
+{
+  GimpController *controller;
+
+  g_return_val_if_fail (g_type_is_a (controller_type, GIMP_TYPE_CONTROLLER),
+                        NULL);
+
+  controller = g_object_new (controller_type, NULL);
+
+  return controller;
+}
+
+gint
+gimp_controller_get_n_events (GimpController *controller)
+{
+  g_return_val_if_fail (GIMP_IS_CONTROLLER (controller), 0);
+
+  if (GIMP_CONTROLLER_GET_CLASS (controller)->get_n_events)
+    return GIMP_CONTROLLER_GET_CLASS (controller)->get_n_events (controller);
+
+  return 0;
+}
+
+const gchar *
+gimp_controller_get_event_name (GimpController *controller,
+                                gint            event_id)
+{
+  const gchar *name = NULL;
+
+  g_return_val_if_fail (GIMP_IS_CONTROLLER (controller), NULL);
+
+  if (GIMP_CONTROLLER_GET_CLASS (controller)->get_event_name)
+    name = GIMP_CONTROLLER_GET_CLASS (controller)->get_event_name (controller,
+                                                                   event_id);
+
+  if (! name)
+    name = "<invalid event id>";
+
+  return name;
+}
+
+const gchar *
+gimp_controller_get_event_blurb (GimpController *controller,
+                                 gint            event_id)
+{
+  const gchar *blurb = NULL;
+
+  g_return_val_if_fail (GIMP_IS_CONTROLLER (controller), NULL);
+
+  if (GIMP_CONTROLLER_GET_CLASS (controller)->get_event_blurb)
+    blurb =  GIMP_CONTROLLER_GET_CLASS (controller)->get_event_blurb (controller,
+                                                                      event_id);
+
+  if (! blurb)
+    blurb = "<invalid event id>";
+
+  return blurb;
+}
+
+gboolean
+gimp_controller_event (GimpController            *controller,
+                       const GimpControllerEvent *event)
+{
+  gboolean retval = FALSE;
+
+  g_return_val_if_fail (GIMP_IS_CONTROLLER (controller), FALSE);
+  g_return_val_if_fail (event != NULL, FALSE);
+
+  g_signal_emit (controller, controller_signals[EVENT], 0,
+                 event, &retval);
+
+  return retval;
+}