1 files changed, 392 insertions, 0 deletions
diff --git a/app/widgets/gimpaction.c b/app/widgets/gimpaction.c
new file mode 100644
index 0000000..88cae45
--- /dev/null
+++ b/app/widgets/gimpaction.c
@@ -0,0 +1,392 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpaction.c
+ * Copyright (C) 2004-2019 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 <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpmarshal.h"
+
+#include "gimpaction.h"
+
+
+enum
+{
+  ACTIVATE,
+  CHANGE_STATE,
+  LAST_SIGNAL
+};
+
+
+static void   gimp_action_set_proxy_tooltip (GimpAction       *action,
+                                             GtkWidget        *proxy);
+static void   gimp_action_tooltip_notify    (GimpAction       *action,
+                                             const GParamSpec *pspec,
+                                             gpointer          data);
+
+
+G_DEFINE_INTERFACE (GimpAction, gimp_action, GTK_TYPE_ACTION)
+
+static guint action_signals[LAST_SIGNAL];
+
+
+static void
+gimp_action_default_init (GimpActionInterface *iface)
+{
+  action_signals[ACTIVATE] =
+    g_signal_new ("gimp-activate",
+                  G_TYPE_FROM_INTERFACE (iface),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpActionInterface, activate),
+                  NULL, NULL,
+                  gimp_marshal_VOID__VARIANT,
+                  G_TYPE_NONE, 1,
+                  G_TYPE_VARIANT);
+
+  action_signals[CHANGE_STATE] =
+    g_signal_new ("gimp-change-state",
+                  G_TYPE_FROM_INTERFACE (iface),
+                  G_SIGNAL_RUN_FIRST,
+                  G_STRUCT_OFFSET (GimpActionInterface, change_state),
+                  NULL, NULL,
+                  gimp_marshal_VOID__VARIANT,
+                  G_TYPE_NONE, 1,
+                  G_TYPE_VARIANT);
+}
+
+void
+gimp_action_init (GimpAction *action)
+{
+  g_return_if_fail (GIMP_IS_ACTION (action));
+
+  g_signal_connect (action, "notify::tooltip",
+                    G_CALLBACK (gimp_action_tooltip_notify),
+                    NULL);
+}
+
+
+/*  public functions  */
+
+void
+gimp_action_emit_activate (GimpAction *action,
+                           GVariant   *value)
+{
+  g_return_if_fail (GIMP_IS_ACTION (action));
+
+  if (value)
+    g_variant_ref_sink (value);
+
+  g_signal_emit (action, action_signals[ACTIVATE], 0, value);
+
+  if (value)
+    g_variant_unref (value);
+}
+
+void
+gimp_action_emit_change_state (GimpAction *action,
+                               GVariant   *value)
+{
+  g_return_if_fail (GIMP_IS_ACTION (action));
+
+  if (value)
+    g_variant_ref_sink (value);
+
+  g_signal_emit (action, action_signals[CHANGE_STATE], 0, value);
+
+  if (value)
+    g_variant_unref (value);
+}
+
+void
+gimp_action_set_proxy (GimpAction *action,
+                       GtkWidget  *proxy)
+{
+  g_return_if_fail (GIMP_IS_ACTION (action));
+  g_return_if_fail (GTK_IS_WIDGET (proxy));
+
+  gimp_action_set_proxy_tooltip (action, proxy);
+}
+
+const gchar *
+gimp_action_get_name (GimpAction *action)
+{
+  return gtk_action_get_name ((GtkAction *) action);
+}
+
+void
+gimp_action_set_label (GimpAction  *action,
+                       const gchar *label)
+{
+  gtk_action_set_label ((GtkAction *) action, label);
+}
+
+const gchar *
+gimp_action_get_label (GimpAction *action)
+{
+  return gtk_action_get_label ((GtkAction *) action);
+}
+
+void
+gimp_action_set_tooltip (GimpAction  *action,
+                         const gchar *tooltip)
+{
+  gtk_action_set_tooltip ((GtkAction *) action, tooltip);
+}
+
+const gchar *
+gimp_action_get_tooltip (GimpAction *action)
+{
+  return gtk_action_get_tooltip ((GtkAction *) action);
+}
+
+void
+gimp_action_set_icon_name (GimpAction  *action,
+                           const gchar *icon_name)
+{
+  gtk_action_set_icon_name ((GtkAction *) action, icon_name);
+}
+
+const gchar *
+gimp_action_get_icon_name (GimpAction *action)
+{
+  return gtk_action_get_icon_name ((GtkAction *) action);
+}
+
+void
+gimp_action_set_gicon (GimpAction *action,
+                       GIcon      *icon)
+{
+  gtk_action_set_gicon ((GtkAction *) action, icon);
+}
+
+GIcon *
+gimp_action_get_gicon (GimpAction *action)
+{
+  return gtk_action_get_gicon ((GtkAction *) action);
+}
+
+void
+gimp_action_set_help_id (GimpAction  *action,
+                         const gchar *help_id)
+{
+  g_return_if_fail (GIMP_IS_ACTION (action));
+
+  g_object_set_qdata_full (G_OBJECT (action), GIMP_HELP_ID,
+                           g_strdup (help_id),
+                           (GDestroyNotify) g_free);
+}
+
+const gchar *
+gimp_action_get_help_id (GimpAction *action)
+{
+  g_return_val_if_fail (GIMP_IS_ACTION (action), NULL);
+
+  return g_object_get_qdata (G_OBJECT (action), GIMP_HELP_ID);
+}
+
+void
+gimp_action_set_visible (GimpAction *action,
+                         gboolean    visible)
+{
+  gtk_action_set_visible ((GtkAction *) action, visible);
+}
+
+gboolean
+gimp_action_get_visible (GimpAction *action)
+{
+  return gtk_action_get_visible ((GtkAction *) action);
+}
+
+gboolean
+gimp_action_is_visible (GimpAction *action)
+{
+  return gtk_action_is_visible ((GtkAction *) action);
+}
+
+void
+gimp_action_set_sensitive (GimpAction *action,
+                           gboolean    sensitive)
+{
+  gtk_action_set_sensitive ((GtkAction *) action, sensitive);
+}
+
+gboolean
+gimp_action_get_sensitive (GimpAction *action)
+{
+  return gtk_action_get_sensitive ((GtkAction *) action);
+}
+
+gboolean
+gimp_action_is_sensitive (GimpAction *action)
+{
+  return gtk_action_is_sensitive ((GtkAction *) action);
+}
+
+GClosure *
+gimp_action_get_accel_closure (GimpAction *action)
+{
+  return gtk_action_get_accel_closure ((GtkAction *) action);
+}
+
+void
+gimp_action_set_accel_path (GimpAction  *action,
+                            const gchar *accel_path)
+{
+  gtk_action_set_accel_path ((GtkAction *) action, accel_path);
+}
+
+const gchar *
+gimp_action_get_accel_path (GimpAction *action)
+{
+  return gtk_action_get_accel_path ((GtkAction *) action);
+}
+
+void
+gimp_action_set_accel_group (GimpAction  *action,
+                             GtkAccelGroup *accel_group)
+{
+  gtk_action_set_accel_group ((GtkAction *) action, accel_group);
+}
+
+void
+gimp_action_connect_accelerator (GimpAction  *action)
+{
+  gtk_action_connect_accelerator ((GtkAction *) action);
+}
+
+GSList *
+gimp_action_get_proxies (GimpAction *action)
+{
+  return gtk_action_get_proxies ((GtkAction *) action);
+}
+
+void
+gimp_action_activate (GimpAction *action)
+{
+  gtk_action_activate ((GtkAction *) action);
+}
+
+gint
+gimp_action_name_compare (GimpAction  *action1,
+                          GimpAction  *action2)
+{
+  return strcmp (gimp_action_get_name (action1),
+                 gimp_action_get_name (action2));
+}
+
+gboolean
+gimp_action_is_gui_blacklisted (const gchar *action_name)
+{
+  static const gchar *suffixes[] =
+    {
+      "-menu",
+      "-popup"
+    };
+
+  static const gchar *prefixes[] =
+    {
+      "<",
+      "tools-color-average-radius-",
+      "tools-paintbrush-size-",
+      "tools-paintbrush-aspect-ratio-",
+      "tools-paintbrush-angle-",
+      "tools-paintbrush-spacing-",
+      "tools-paintbrush-hardness-",
+      "tools-paintbrush-force-",
+      "tools-ink-blob-size-",
+      "tools-ink-blob-aspect-",
+      "tools-ink-blob-angle-",
+      "tools-mypaint-brush-radius-",
+      "tools-mypaint-brush-hardness-",
+      "tools-foreground-select-brush-size-",
+      "tools-transform-preview-opacity-",
+      "tools-warp-effect-size-",
+      "tools-warp-effect-hardness-"
+    };
+
+  static const gchar *actions[] =
+    {
+      "tools-brightness-contrast",
+      "tools-curves",
+      "tools-levels",
+      "tools-offset",
+      "tools-threshold"
+    };
+
+  gint i;
+
+  if (! (action_name && *action_name))
+    return TRUE;
+
+  for (i = 0; i < G_N_ELEMENTS (suffixes); i++)
+    {
+      if (g_str_has_suffix (action_name, suffixes[i]))
+        return TRUE;
+    }
+
+  for (i = 0; i < G_N_ELEMENTS (prefixes); i++)
+    {
+      if (g_str_has_prefix (action_name, prefixes[i]))
+        return TRUE;
+    }
+
+  for (i = 0; i < G_N_ELEMENTS (actions); i++)
+    {
+      if (! strcmp (action_name, actions[i]))
+        return TRUE;
+    }
+
+  return FALSE;
+}
+
+
+/*  private functions  */
+
+static void
+gimp_action_set_proxy_tooltip (GimpAction *action,
+                               GtkWidget  *proxy)
+{
+  const gchar *tooltip = gimp_action_get_tooltip (action);
+
+  if (tooltip)
+    gimp_help_set_help_data (proxy, tooltip,
+                             g_object_get_qdata (G_OBJECT (proxy),
+                                                 GIMP_HELP_ID));
+}
+
+static void
+gimp_action_tooltip_notify (GimpAction       *action,
+                            const GParamSpec *pspec,
+                            gpointer          data)
+{
+  GSList *list;
+
+  for (list = gimp_action_get_proxies (action);
+       list;
+       list = g_slist_next (list))
+    {
+      gimp_action_set_proxy_tooltip (action, list->data);
+    }
+}