Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 285 insertions, 0 deletions

diff --git a/app/widgets/gimpaccellabel.c b/app/widgets/gimpaccellabel.c
new file mode 100644
index 0000000..cd97206
--- /dev/null
+++ b/app/widgets/gimpaccellabel.c
@@ -0,0 +1,285 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpaccellabel.c
+ * Copyright (C) 2020 Ell
+ *
+ * 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 "libgimpbase/gimpbase.h"
+
+#include "widgets-types.h"
+
+#include "gimpaction.h"
+#include "gimpaccellabel.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_ACTION
+};
+
+
+struct _GimpAccelLabelPrivate
+{
+  GimpAction *action;
+};
+
+
+/*  local function prototypes  */
+
+static void   gimp_accel_label_dispose       (GObject             *object);
+static void   gimp_accel_label_set_property  (GObject             *object,
+                                              guint                property_id,
+                                              const GValue        *value,
+                                              GParamSpec          *pspec);
+static void   gimp_accel_label_get_property  (GObject             *object,
+                                              guint                property_id,
+                                              GValue              *value,
+                                              GParamSpec          *pspec);
+
+static void   gimp_accel_label_accel_changed (GtkAccelGroup       *accel_group,
+                                              guint                keyval,
+                                              GdkModifierType      modifier,
+                                              GClosure            *accel_closure,
+                                              GimpAccelLabel      *accel_label);
+
+static void   gimp_accel_label_update        (GimpAccelLabel      *accel_label);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpAccelLabel, gimp_accel_label, GTK_TYPE_LABEL)
+
+#define parent_class gimp_accel_label_parent_class
+
+
+/*  private functions  */
+
+static void
+gimp_accel_label_class_init (GimpAccelLabelClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->dispose      = gimp_accel_label_dispose;
+  object_class->get_property = gimp_accel_label_get_property;
+  object_class->set_property = gimp_accel_label_set_property;
+
+  g_object_class_install_property (object_class, PROP_ACTION,
+                                   g_param_spec_object ("action",
+                                                        NULL, NULL,
+                                                        GIMP_TYPE_ACTION,
+                                                        GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_accel_label_init (GimpAccelLabel *accel_label)
+{
+  accel_label->priv = gimp_accel_label_get_instance_private (accel_label);
+}
+
+static void
+gimp_accel_label_dispose (GObject *object)
+{
+  GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object);
+
+  gimp_accel_label_set_action (accel_label, NULL);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_accel_label_set_property (GObject      *object,
+                               guint         property_id,
+                               const GValue *value,
+                               GParamSpec   *pspec)
+{
+  GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object);
+
+  switch (property_id)
+    {
+    case PROP_ACTION:
+      gimp_accel_label_set_action (accel_label, g_value_get_object (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_accel_label_get_property (GObject    *object,
+                               guint       property_id,
+                               GValue     *value,
+                               GParamSpec *pspec)
+{
+  GimpAccelLabel *accel_label = GIMP_ACCEL_LABEL (object);
+
+  switch (property_id)
+    {
+    case PROP_ACTION:
+      g_value_set_object (value, accel_label->priv->action);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_accel_label_accel_changed (GtkAccelGroup   *accel_group,
+                                guint            keyval,
+                                GdkModifierType  modifier,
+                                GClosure        *accel_closure,
+                                GimpAccelLabel  *accel_label)
+{
+  if (accel_closure ==
+      gimp_action_get_accel_closure (accel_label->priv->action))
+    {
+      gimp_accel_label_update (accel_label);
+    }
+}
+
+static gboolean
+gimp_accel_label_update_accel_find_func (GtkAccelKey *key,
+                                         GClosure    *closure,
+                                         gpointer     data)
+{
+  return (GClosure *) data == closure;
+}
+
+static void
+gimp_accel_label_update (GimpAccelLabel *accel_label)
+{
+  GClosure      *accel_closure;
+  GtkAccelGroup *accel_group;
+  GtkAccelKey   *accel_key;
+
+  gtk_label_set_label (GTK_LABEL (accel_label), NULL);
+
+  if (! accel_label->priv->action)
+    return;
+
+  accel_closure = gimp_action_get_accel_closure (accel_label->priv->action);
+
+  if (! accel_closure)
+    return;
+
+  accel_group = gtk_accel_group_from_accel_closure (accel_closure);
+
+  if (! accel_group)
+    return;
+
+  accel_key = gtk_accel_group_find (accel_group,
+                                    gimp_accel_label_update_accel_find_func,
+                                    accel_closure);
+
+  if (accel_key            &&
+      accel_key->accel_key &&
+      (accel_key->accel_flags & GTK_ACCEL_VISIBLE))
+    {
+      gchar *label;
+
+      label = gtk_accelerator_get_label (accel_key->accel_key,
+                                         accel_key->accel_mods);
+
+      gtk_label_set_label (GTK_LABEL (accel_label), label);
+
+      g_free (label);
+    }
+}
+
+
+/*  public functions  */
+
+GtkWidget *
+gimp_accel_label_new (GimpAction *action)
+{
+  g_return_val_if_fail (action == NULL || GIMP_IS_ACTION (action), NULL);
+
+  return g_object_new (GIMP_TYPE_ACCEL_LABEL,
+                       "action", action,
+                       NULL);
+}
+
+void
+gimp_accel_label_set_action (GimpAccelLabel *accel_label,
+                             GimpAction     *action)
+{
+  g_return_if_fail (GIMP_IS_ACCEL_LABEL (accel_label));
+  g_return_if_fail (action == NULL || GIMP_IS_ACTION (action));
+
+  if (action != accel_label->priv->action)
+    {
+      if (accel_label->priv->action)
+        {
+          GClosure *accel_closure;
+
+          accel_closure = gimp_action_get_accel_closure (
+            accel_label->priv->action);
+
+          if (accel_closure)
+            {
+              GtkAccelGroup *accel_group;
+
+              accel_group = gtk_accel_group_from_accel_closure (accel_closure);
+
+              g_signal_handlers_disconnect_by_func (
+                accel_group,
+                gimp_accel_label_accel_changed,
+                accel_label);
+            }
+        }
+
+      g_set_object (&accel_label->priv->action, action);
+
+      if (accel_label->priv->action)
+        {
+          GClosure *accel_closure;
+
+          accel_closure = gimp_action_get_accel_closure (
+            accel_label->priv->action);
+
+          if (accel_closure)
+            {
+              GtkAccelGroup *accel_group;
+
+              accel_group = gtk_accel_group_from_accel_closure (accel_closure);
+
+              g_signal_connect (accel_group, "accel-changed",
+                                G_CALLBACK (gimp_accel_label_accel_changed),
+                                accel_label);
+            }
+        }
+
+      gimp_accel_label_update (accel_label);
+
+      g_object_notify (G_OBJECT (accel_label), "action");
+    }
+}
+
+GimpAction *
+gimp_accel_label_get_action (GimpAccelLabel *accel_label)
+{
+  g_return_val_if_fail (GIMP_IS_ACCEL_LABEL (accel_label), NULL);
+
+  return accel_label->priv->action;
+}