Adding upstream version 2.10.34.upstream/2.10.34upstream

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

1 files changed, 905 insertions, 0 deletions

diff --git a/app/widgets/gimpactionview.c b/app/widgets/gimpactionview.c
new file mode 100644
index 0000000..36c2e98
--- /dev/null
+++ b/app/widgets/gimpactionview.c
@@ -0,0 +1,905 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpactionview.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 <gdk/gdkkeysyms.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+
+#include "gimpaction.h"
+#include "gimpactiongroup.h"
+#include "gimpactionview.h"
+#include "gimpmessagebox.h"
+#include "gimpmessagedialog.h"
+#include "gimpuimanager.h"
+
+#include "gimp-intl.h"
+
+
+/*  local function prototypes  */
+
+static void     gimp_action_view_dispose         (GObject         *object);
+static void     gimp_action_view_finalize        (GObject         *object);
+
+static void     gimp_action_view_select_path     (GimpActionView  *view,
+                                                  GtkTreePath     *path);
+static gboolean gimp_action_view_accel_find_func (GtkAccelKey     *key,
+                                                  GClosure        *closure,
+                                                  gpointer         data);
+static void     gimp_action_view_accel_changed   (GtkAccelGroup   *accel_group,
+                                                  guint            unused1,
+                                                  GdkModifierType  unused2,
+                                                  GClosure        *accel_closure,
+                                                  GimpActionView  *view);
+static void     gimp_action_view_accel_edited    (GtkCellRendererAccel *accel,
+                                                  const char      *path_string,
+                                                  guint            accel_key,
+                                                  GdkModifierType  accel_mask,
+                                                  guint            hardware_keycode,
+                                                  GimpActionView  *view);
+static void     gimp_action_view_accel_cleared   (GtkCellRendererAccel *accel,
+                                                  const char      *path_string,
+                                                  GimpActionView  *view);
+
+
+G_DEFINE_TYPE (GimpActionView, gimp_action_view, GTK_TYPE_TREE_VIEW)
+
+#define parent_class gimp_action_view_parent_class
+
+
+static void
+gimp_action_view_class_init (GimpActionViewClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->dispose  = gimp_action_view_dispose;
+  object_class->finalize = gimp_action_view_finalize;
+}
+
+static void
+gimp_action_view_init (GimpActionView *view)
+{
+}
+
+static void
+gimp_action_view_dispose (GObject *object)
+{
+  GimpActionView *view = GIMP_ACTION_VIEW (object);
+
+  if (view->manager)
+    {
+      if (view->show_shortcuts)
+        {
+          GtkAccelGroup *group;
+
+          group = gimp_ui_manager_get_accel_group (view->manager);
+
+          g_signal_handlers_disconnect_by_func (group,
+                                                gimp_action_view_accel_changed,
+                                                view);
+        }
+
+      g_clear_object (&view->manager);
+    }
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gimp_action_view_finalize (GObject *object)
+{
+  GimpActionView *view = GIMP_ACTION_VIEW (object);
+
+  g_clear_pointer (&view->filter, g_free);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+idle_start_editing (GtkTreeView *tree_view)
+{
+  GtkTreePath *path;
+
+  path = g_object_get_data (G_OBJECT (tree_view), "start-editing-path");
+
+  if (path)
+    {
+      gtk_widget_grab_focus (GTK_WIDGET (tree_view));
+
+      gtk_tree_view_set_cursor (tree_view, path,
+                                gtk_tree_view_get_column (tree_view, 1),
+                                TRUE);
+
+      g_object_set_data (G_OBJECT (tree_view), "start-editing-path", NULL);
+    }
+
+  return FALSE;
+}
+
+static gboolean
+gimp_action_view_button_press (GtkWidget      *widget,
+                               GdkEventButton *event)
+{
+  GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
+  GtkTreePath *path;
+
+  if (event->window != gtk_tree_view_get_bin_window (tree_view))
+    return FALSE;
+
+  if (gtk_tree_view_get_path_at_pos (tree_view,
+                                     (gint) event->x,
+                                     (gint) event->y,
+                                     &path, NULL,
+                                     NULL, NULL))
+    {
+      GClosure *closure;
+      GSource  *source;
+
+      if (gtk_tree_path_get_depth (path) == 1)
+        {
+          gtk_tree_path_free (path);
+          return FALSE;
+        }
+
+      g_object_set_data_full (G_OBJECT (tree_view), "start-editing-path",
+                              path, (GDestroyNotify) gtk_tree_path_free);
+
+      g_signal_stop_emission_by_name (tree_view, "button-press-event");
+
+      closure = g_cclosure_new_object (G_CALLBACK (idle_start_editing),
+                                       G_OBJECT (tree_view));
+
+      source = g_idle_source_new ();
+      g_source_set_closure (source, closure);
+      g_source_attach (source, NULL);
+      g_source_unref (source);
+    }
+
+  return TRUE;
+}
+
+GtkWidget *
+gimp_action_view_new (GimpUIManager *manager,
+                      const gchar   *select_action,
+                      gboolean       show_shortcuts)
+{
+  GtkTreeView       *view;
+  GtkTreeViewColumn *column;
+  GtkCellRenderer   *cell;
+  GtkTreeStore      *store;
+  GtkTreeModel      *filter;
+  GtkAccelGroup     *accel_group;
+  GList             *list;
+  GtkTreePath       *select_path = NULL;
+
+  g_return_val_if_fail (GIMP_IS_UI_MANAGER (manager), NULL);
+
+  store = gtk_tree_store_new (GIMP_ACTION_VIEW_N_COLUMNS,
+                              G_TYPE_BOOLEAN,         /* COLUMN_VISIBLE        */
+                              GIMP_TYPE_ACTION,       /* COLUMN_ACTION         */
+                              G_TYPE_STRING,          /* COLUMN_ICON_NAME      */
+                              G_TYPE_STRING,          /* COLUMN_LABEL          */
+                              G_TYPE_STRING,          /* COLUMN_LABEL_CASEFOLD */
+                              G_TYPE_STRING,          /* COLUMN_NAME           */
+                              G_TYPE_UINT,            /* COLUMN_ACCEL_KEY      */
+                              GDK_TYPE_MODIFIER_TYPE, /* COLUMN_ACCEL_MASK     */
+                              G_TYPE_CLOSURE);        /* COLUMN_ACCEL_CLOSURE  */
+
+  accel_group = gimp_ui_manager_get_accel_group (manager);
+
+  for (list = gimp_ui_manager_get_action_groups (manager);
+       list;
+       list = g_list_next (list))
+    {
+      GimpActionGroup *group = list->data;
+      GList           *actions;
+      GList           *list2;
+      GtkTreeIter      group_iter;
+
+      gtk_tree_store_append (store, &group_iter, NULL);
+
+      gtk_tree_store_set (store, &group_iter,
+                          GIMP_ACTION_VIEW_COLUMN_ICON_NAME, group->icon_name,
+                          GIMP_ACTION_VIEW_COLUMN_LABEL,     group->label,
+                          -1);
+
+      actions = gimp_action_group_list_actions (group);
+
+      actions = g_list_sort (actions, (GCompareFunc) gimp_action_name_compare);
+
+      for (list2 = actions; list2; list2 = g_list_next (list2))
+        {
+          GimpAction      *action        = list2->data;
+          const gchar     *name          = gimp_action_get_name (action);
+          const gchar     *icon_name     = gimp_action_get_icon_name (action);
+          gchar           *label;
+          gchar           *label_casefold;
+          guint            accel_key     = 0;
+          GdkModifierType  accel_mask    = 0;
+          GClosure        *accel_closure = NULL;
+          GtkTreeIter      action_iter;
+
+          if (gimp_action_is_gui_blacklisted (name))
+            continue;
+
+          label = gimp_strip_uline (gimp_action_get_label (action));
+
+          if (! (label && strlen (label)))
+            {
+              g_free (label);
+              label = g_strdup (name);
+            }
+
+          label_casefold = g_utf8_casefold (label, -1);
+
+          if (show_shortcuts)
+            {
+              accel_closure = gimp_action_get_accel_closure (action);
+
+              if (accel_closure)
+                {
+                  GtkAccelKey *key;
+
+                  key = gtk_accel_group_find (accel_group,
+                                              gimp_action_view_accel_find_func,
+                                              accel_closure);
+
+                  if (key            &&
+                      key->accel_key &&
+                      key->accel_flags & GTK_ACCEL_VISIBLE)
+                    {
+                      accel_key  = key->accel_key;
+                      accel_mask = key->accel_mods;
+                    }
+                }
+            }
+
+          gtk_tree_store_append (store, &action_iter, &group_iter);
+
+          gtk_tree_store_set (store, &action_iter,
+                              GIMP_ACTION_VIEW_COLUMN_VISIBLE,        TRUE,
+                              GIMP_ACTION_VIEW_COLUMN_ACTION,         action,
+                              GIMP_ACTION_VIEW_COLUMN_ICON_NAME,      icon_name,
+                              GIMP_ACTION_VIEW_COLUMN_LABEL,          label,
+                              GIMP_ACTION_VIEW_COLUMN_LABEL_CASEFOLD, label_casefold,
+                              GIMP_ACTION_VIEW_COLUMN_NAME,           name,
+                              GIMP_ACTION_VIEW_COLUMN_ACCEL_KEY,      accel_key,
+                              GIMP_ACTION_VIEW_COLUMN_ACCEL_MASK,     accel_mask,
+                              GIMP_ACTION_VIEW_COLUMN_ACCEL_CLOSURE,  accel_closure,
+                              -1);
+
+          g_free (label);
+          g_free (label_casefold);
+
+          if (select_action && ! strcmp (select_action, name))
+            {
+              select_path = gtk_tree_model_get_path (GTK_TREE_MODEL (store),
+                                                     &action_iter);
+            }
+        }
+
+      g_list_free (actions);
+    }
+
+  filter = gtk_tree_model_filter_new (GTK_TREE_MODEL (store), NULL);
+
+  g_object_unref (store);
+
+  view = g_object_new (GIMP_TYPE_ACTION_VIEW,
+                       "model",      filter,
+                       "rules-hint", TRUE,
+                       NULL);
+
+  g_object_unref (filter);
+
+  gtk_tree_model_filter_set_visible_column (GTK_TREE_MODEL_FILTER (filter),
+                                            GIMP_ACTION_VIEW_COLUMN_VISIBLE);
+
+  GIMP_ACTION_VIEW (view)->manager        = g_object_ref (manager);
+  GIMP_ACTION_VIEW (view)->show_shortcuts = show_shortcuts;
+
+  gtk_tree_view_set_search_column (GTK_TREE_VIEW (view),
+                                   GIMP_ACTION_VIEW_COLUMN_LABEL);
+
+  column = gtk_tree_view_column_new ();
+  gtk_tree_view_column_set_title (column, _("Action"));
+
+  cell = gtk_cell_renderer_pixbuf_new ();
+  gtk_tree_view_column_pack_start (column, cell, FALSE);
+  gtk_tree_view_column_set_attributes (column, cell,
+                                       "icon-name",
+                                       GIMP_ACTION_VIEW_COLUMN_ICON_NAME,
+                                       NULL);
+
+  cell = gtk_cell_renderer_text_new ();
+  gtk_tree_view_column_pack_start (column, cell, TRUE);
+  gtk_tree_view_column_set_attributes (column, cell,
+                                       "text",
+                                       GIMP_ACTION_VIEW_COLUMN_LABEL,
+                                       NULL);
+
+  gtk_tree_view_append_column (view, column);
+
+  if (show_shortcuts)
+    {
+      g_signal_connect (view, "button-press-event",
+                        G_CALLBACK (gimp_action_view_button_press),
+                        NULL);
+
+      g_signal_connect (accel_group, "accel-changed",
+                        G_CALLBACK (gimp_action_view_accel_changed),
+                        view);
+
+      column = gtk_tree_view_column_new ();
+      gtk_tree_view_column_set_title (column, _("Shortcut"));
+
+      cell = gtk_cell_renderer_accel_new ();
+      g_object_set (cell,
+                    "mode",     GTK_CELL_RENDERER_MODE_EDITABLE,
+                    "editable", TRUE,
+                    NULL);
+      gtk_tree_view_column_pack_start (column, cell, TRUE);
+      gtk_tree_view_column_set_attributes (column, cell,
+                                           "accel-key",
+                                           GIMP_ACTION_VIEW_COLUMN_ACCEL_KEY,
+                                           "accel-mods",
+                                           GIMP_ACTION_VIEW_COLUMN_ACCEL_MASK,
+                                           NULL);
+
+      g_signal_connect (cell, "accel-edited",
+                        G_CALLBACK (gimp_action_view_accel_edited),
+                        view);
+      g_signal_connect (cell, "accel-cleared",
+                        G_CALLBACK (gimp_action_view_accel_cleared),
+                        view);
+
+      gtk_tree_view_append_column (view, column);
+    }
+
+  column = gtk_tree_view_column_new ();
+  gtk_tree_view_column_set_title (column, _("Name"));
+
+  cell = gtk_cell_renderer_text_new ();
+  gtk_tree_view_column_pack_start (column, cell, TRUE);
+  gtk_tree_view_column_set_attributes (column, cell,
+                                       "text",
+                                       GIMP_ACTION_VIEW_COLUMN_NAME,
+                                       NULL);
+
+  gtk_tree_view_append_column (view, column);
+
+  if (select_path)
+    {
+      gimp_action_view_select_path (GIMP_ACTION_VIEW (view), select_path);
+      gtk_tree_path_free (select_path);
+    }
+
+  return GTK_WIDGET (view);
+}
+
+void
+gimp_action_view_set_filter (GimpActionView *view,
+                             const gchar    *filter)
+{
+  GtkTreeSelection    *sel;
+  GtkTreeModel        *filtered_model;
+  GtkTreeModel        *model;
+  GtkTreeIter          iter;
+  gboolean             iter_valid;
+  GtkTreeRowReference *selected_row = NULL;
+
+  g_return_if_fail (GIMP_IS_ACTION_VIEW (view));
+
+  filtered_model = gtk_tree_view_get_model (GTK_TREE_VIEW (view));
+  model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filtered_model));
+
+  if (filter && ! strlen (filter))
+    filter = NULL;
+
+  g_clear_pointer (&view->filter, g_free);
+
+  if (filter)
+    view->filter = g_utf8_casefold (filter, -1);
+
+  sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (view));
+
+  if (gtk_tree_selection_get_selected (sel, NULL, &iter))
+    {
+      GtkTreePath *path = gtk_tree_model_get_path (filtered_model, &iter);
+
+      selected_row = gtk_tree_row_reference_new (filtered_model, path);
+    }
+
+  for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
+       iter_valid;
+       iter_valid = gtk_tree_model_iter_next (model, &iter))
+    {
+      GtkTreeIter child_iter;
+      gboolean    child_valid;
+      gint        n_children = 0;
+
+      for (child_valid = gtk_tree_model_iter_children (model, &child_iter,
+                                                       &iter);
+           child_valid;
+           child_valid = gtk_tree_model_iter_next (model, &child_iter))
+        {
+          gboolean visible = TRUE;
+
+          if (view->filter)
+            {
+              gchar *label;
+              gchar *name;
+
+              gtk_tree_model_get (model, &child_iter,
+                                  GIMP_ACTION_VIEW_COLUMN_LABEL_CASEFOLD, &label,
+                                  GIMP_ACTION_VIEW_COLUMN_NAME,           &name,
+                                  -1);
+
+              visible = label && name && (strstr (label, view->filter) != NULL ||
+                                          strstr (name,  view->filter) != NULL);
+
+              g_free (label);
+              g_free (name);
+            }
+
+          gtk_tree_store_set (GTK_TREE_STORE (model), &child_iter,
+                              GIMP_ACTION_VIEW_COLUMN_VISIBLE, visible,
+                              -1);
+
+          if (visible)
+            n_children++;
+        }
+
+      gtk_tree_store_set (GTK_TREE_STORE (model), &iter,
+                          GIMP_ACTION_VIEW_COLUMN_VISIBLE, n_children > 0,
+                          -1);
+    }
+
+  if (view->filter)
+    gtk_tree_view_expand_all (GTK_TREE_VIEW (view));
+  else
+    gtk_tree_view_collapse_all (GTK_TREE_VIEW (view));
+
+  gtk_tree_view_columns_autosize (GTK_TREE_VIEW (view));
+
+  if (selected_row)
+    {
+      if (gtk_tree_row_reference_valid (selected_row))
+        {
+          GtkTreePath *path = gtk_tree_row_reference_get_path (selected_row);
+
+          gimp_action_view_select_path (view, path);
+          gtk_tree_path_free (path);
+        }
+
+      gtk_tree_row_reference_free (selected_row);
+    }
+}
+
+
+/*  private functions  */
+
+static void
+gimp_action_view_select_path (GimpActionView *view,
+                              GtkTreePath    *path)
+{
+  GtkTreeView *tv = GTK_TREE_VIEW (view);
+  GtkTreePath *expand;
+
+  expand = gtk_tree_path_copy (path);
+  gtk_tree_path_up (expand);
+  gtk_tree_view_expand_row (tv, expand, FALSE);
+  gtk_tree_path_free (expand);
+
+  gtk_tree_view_set_cursor (tv, path, NULL, FALSE);
+  gtk_tree_view_scroll_to_cell (tv, path, NULL, TRUE, 0.5, 0.0);
+}
+
+static gboolean
+gimp_action_view_accel_find_func (GtkAccelKey *key,
+                                  GClosure    *closure,
+                                  gpointer     data)
+{
+  return (GClosure *) data == closure;
+}
+
+static void
+gimp_action_view_accel_changed (GtkAccelGroup   *accel_group,
+                                guint            unused1,
+                                GdkModifierType  unused2,
+                                GClosure        *accel_closure,
+                                GimpActionView  *view)
+{
+  GtkTreeModel *model;
+  GtkTreeIter   iter;
+  gboolean      iter_valid;
+
+  model = gtk_tree_view_get_model (GTK_TREE_VIEW (view));
+  if (! model)
+    return;
+
+  model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (model));
+  if (! model)
+    return;
+
+  for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
+       iter_valid;
+       iter_valid = gtk_tree_model_iter_next (model, &iter))
+    {
+      GtkTreeIter child_iter;
+      gboolean    child_valid;
+
+      for (child_valid = gtk_tree_model_iter_children (model, &child_iter,
+                                                       &iter);
+           child_valid;
+           child_valid = gtk_tree_model_iter_next (model, &child_iter))
+        {
+          GClosure *closure;
+
+          gtk_tree_model_get (model, &child_iter,
+                              GIMP_ACTION_VIEW_COLUMN_ACCEL_CLOSURE, &closure,
+                              -1);
+
+          if (closure)
+            g_closure_unref (closure);
+
+          if (accel_closure == closure)
+            {
+              GtkAccelKey     *key;
+              guint            accel_key  = 0;
+              GdkModifierType  accel_mask = 0;
+
+              key = gtk_accel_group_find (accel_group,
+                                          gimp_action_view_accel_find_func,
+                                          accel_closure);
+
+              if (key            &&
+                  key->accel_key &&
+                  key->accel_flags & GTK_ACCEL_VISIBLE)
+                {
+                  accel_key  = key->accel_key;
+                  accel_mask = key->accel_mods;
+                }
+
+              gtk_tree_store_set (GTK_TREE_STORE (model), &child_iter,
+                                  GIMP_ACTION_VIEW_COLUMN_ACCEL_KEY,  accel_key,
+                                  GIMP_ACTION_VIEW_COLUMN_ACCEL_MASK, accel_mask,
+                                  -1);
+
+              return;
+            }
+        }
+    }
+}
+
+typedef struct
+{
+  GimpUIManager   *manager;
+  gchar           *accel_path;
+  guint            accel_key;
+  GdkModifierType  accel_mask;
+} ConfirmData;
+
+static void
+gimp_action_view_conflict_response (GtkWidget   *dialog,
+                                    gint         response_id,
+                                    ConfirmData *confirm_data)
+{
+  gtk_widget_destroy (dialog);
+
+  if (response_id == GTK_RESPONSE_OK)
+    {
+      if (! gtk_accel_map_change_entry (confirm_data->accel_path,
+                                        confirm_data->accel_key,
+                                        confirm_data->accel_mask,
+                                        TRUE))
+        {
+          gimp_message_literal (confirm_data->manager->gimp, G_OBJECT (dialog),
+                                GIMP_MESSAGE_ERROR,
+                                _("Changing shortcut failed."));
+        }
+    }
+
+  g_free (confirm_data->accel_path);
+
+  g_slice_free (ConfirmData, confirm_data);
+}
+
+static void
+gimp_action_view_conflict_confirm (GimpActionView  *view,
+                                   GimpAction      *action,
+                                   guint            accel_key,
+                                   GdkModifierType  accel_mask,
+                                   const gchar     *accel_path)
+{
+  GimpActionGroup *group;
+  gchar           *label;
+  gchar           *accel_string;
+  ConfirmData     *confirm_data;
+  GtkWidget       *dialog;
+  GimpMessageBox  *box;
+
+  g_object_get (action, "action-group", &group, NULL);
+
+  label = gimp_strip_uline (gimp_action_get_label (action));
+
+  accel_string = gtk_accelerator_get_label (accel_key, accel_mask);
+
+  confirm_data = g_slice_new (ConfirmData);
+
+  confirm_data->manager    = view->manager;
+  confirm_data->accel_path = g_strdup (accel_path);
+  confirm_data->accel_key  = accel_key;
+  confirm_data->accel_mask = accel_mask;
+
+  dialog =
+    gimp_message_dialog_new (_("Conflicting Shortcuts"),
+                             GIMP_ICON_DIALOG_WARNING,
+                             gtk_widget_get_toplevel (GTK_WIDGET (view)), 0,
+                             gimp_standard_help_func, NULL,
+
+                             _("_Cancel"),            GTK_RESPONSE_CANCEL,
+                             _("_Reassign Shortcut"), GTK_RESPONSE_OK,
+
+                             NULL);
+
+  gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+                                           GTK_RESPONSE_OK,
+                                           GTK_RESPONSE_CANCEL,
+                                           -1);
+
+  g_signal_connect (dialog, "response",
+                    G_CALLBACK (gimp_action_view_conflict_response),
+                    confirm_data);
+
+  box = GIMP_MESSAGE_DIALOG (dialog)->box;
+
+  gimp_message_box_set_primary_text (box,
+                                     _("Shortcut \"%s\" is already taken "
+                                       "by \"%s\" from the \"%s\" group."),
+                                     accel_string, label, group->label);
+  gimp_message_box_set_text (box,
+                             _("Reassigning the shortcut will cause it "
+                               "to be removed from \"%s\"."),
+                             label);
+
+  g_free (label);
+  g_free (accel_string);
+
+  g_object_unref (group);
+
+  gtk_widget_show (dialog);
+}
+
+static const gchar *
+gimp_action_view_get_accel_action (GimpActionView  *view,
+                                   const gchar     *path_string,
+                                   GimpAction     **action_return,
+                                   guint           *action_accel_key,
+                                   GdkModifierType *action_accel_mask)
+{
+  GtkTreeModel *model;
+  GtkTreePath  *path;
+  GtkTreeIter   iter;
+
+  model = gtk_tree_view_get_model (GTK_TREE_VIEW (view));
+  if (! model)
+    return NULL;
+
+  path = gtk_tree_path_new_from_string (path_string);
+
+  if (gtk_tree_model_get_iter (model, &iter, path))
+    {
+      GimpAction *action;
+
+      gtk_tree_model_get (model, &iter,
+                          GIMP_ACTION_VIEW_COLUMN_ACTION,     &action,
+                          GIMP_ACTION_VIEW_COLUMN_ACCEL_KEY,  action_accel_key,
+                          GIMP_ACTION_VIEW_COLUMN_ACCEL_MASK, action_accel_mask,
+                          -1);
+
+      if (! action)
+        goto done;
+
+      gtk_tree_path_free (path);
+      g_object_unref (action);
+
+      *action_return = action;
+
+      return gimp_action_get_accel_path (action);
+    }
+
+ done:
+  gtk_tree_path_free (path);
+
+  return NULL;
+}
+
+static void
+gimp_action_view_accel_edited (GtkCellRendererAccel *accel,
+                               const char           *path_string,
+                               guint                 accel_key,
+                               GdkModifierType       accel_mask,
+                               guint                 hardware_keycode,
+                               GimpActionView       *view)
+{
+  GimpAction      *action;
+  guint            action_accel_key;
+  GdkModifierType  action_accel_mask;
+  const gchar     *accel_path;
+
+  accel_path = gimp_action_view_get_accel_action (view, path_string,
+                                                  &action,
+                                                  &action_accel_key,
+                                                  &action_accel_mask);
+
+  if (! accel_path)
+    return;
+
+  if (accel_key  == action_accel_key &&
+      accel_mask == action_accel_mask)
+    return;
+
+  if (! accel_key ||
+
+      /* Don't allow arrow keys, they are all swallowed by the canvas
+       * and cannot be invoked anyway, the same applies to space.
+       */
+      accel_key == GDK_KEY_Left  ||
+      accel_key == GDK_KEY_Right ||
+      accel_key == GDK_KEY_Up    ||
+      accel_key == GDK_KEY_Down  ||
+      accel_key == GDK_KEY_space ||
+      accel_key == GDK_KEY_KP_Space)
+    {
+      gimp_message_literal (view->manager->gimp,
+                            G_OBJECT (view), GIMP_MESSAGE_ERROR,
+                            _("Invalid shortcut."));
+    }
+  else if (accel_key        == GDK_KEY_F1 ||
+           action_accel_key == GDK_KEY_F1)
+    {
+      gimp_message_literal (view->manager->gimp,
+                            G_OBJECT (view), GIMP_MESSAGE_ERROR,
+                            _("F1 cannot be remapped."));
+    }
+  else if (accel_key  >= GDK_KEY_0 &&
+           accel_key  <= GDK_KEY_9 &&
+           accel_mask == GDK_MOD1_MASK)
+    {
+      gimp_message (view->manager->gimp,
+                    G_OBJECT (view), GIMP_MESSAGE_ERROR,
+                    _("Alt+%d is used to switch to display %d and "
+                      "cannot be remapped."),
+                    accel_key - GDK_KEY_0,
+                    accel_key == GDK_KEY_0 ? 10 : accel_key - GDK_KEY_0);
+    }
+  else if (! gtk_accel_map_change_entry (accel_path,
+                                         accel_key, accel_mask, FALSE))
+    {
+      GtkTreeModel *model;
+      GimpAction   *conflict_action = NULL;
+      GtkTreeIter   iter;
+      gboolean      iter_valid;
+
+      model = gtk_tree_view_get_model (GTK_TREE_VIEW (view));
+      model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (model));
+
+      for (iter_valid = gtk_tree_model_get_iter_first (model, &iter);
+           iter_valid;
+           iter_valid = gtk_tree_model_iter_next (model, &iter))
+        {
+          GtkTreeIter child_iter;
+          gboolean    child_valid;
+
+          for (child_valid = gtk_tree_model_iter_children (model,
+                                                           &child_iter,
+                                                           &iter);
+               child_valid;
+               child_valid = gtk_tree_model_iter_next (model, &child_iter))
+            {
+              guint           child_accel_key;
+              GdkModifierType child_accel_mask;
+
+              gtk_tree_model_get (model, &child_iter,
+                                  GIMP_ACTION_VIEW_COLUMN_ACCEL_KEY,
+                                  &child_accel_key,
+                                  GIMP_ACTION_VIEW_COLUMN_ACCEL_MASK,
+                                  &child_accel_mask,
+                                  -1);
+
+              if (accel_key  == child_accel_key &&
+                  accel_mask == child_accel_mask)
+                {
+                  gtk_tree_model_get (model, &child_iter,
+                                      GIMP_ACTION_VIEW_COLUMN_ACTION,
+                                      &conflict_action,
+                                      -1);
+                  break;
+                }
+            }
+
+          if (conflict_action)
+            break;
+        }
+
+      if (conflict_action != action)
+        {
+          if (conflict_action)
+            {
+              gimp_action_view_conflict_confirm (view, conflict_action,
+                                                 accel_key,
+                                                 accel_mask,
+                                                 accel_path);
+              g_object_unref (conflict_action);
+            }
+          else
+            {
+              gimp_message_literal (view->manager->gimp,
+                                    G_OBJECT (view), GIMP_MESSAGE_ERROR,
+                                    _("Changing shortcut failed."));
+            }
+        }
+    }
+}
+
+static void
+gimp_action_view_accel_cleared (GtkCellRendererAccel *accel,
+                                const char           *path_string,
+                                GimpActionView       *view)
+{
+  GimpAction      *action;
+  guint            action_accel_key;
+  GdkModifierType  action_accel_mask;
+  const gchar     *accel_path;
+
+  accel_path = gimp_action_view_get_accel_action (view, path_string,
+                                                  &action,
+                                                  &action_accel_key,
+                                                  &action_accel_mask);
+
+  if (! accel_path)
+    return;
+
+  if (action_accel_key == GDK_KEY_F1)
+    {
+      gimp_message_literal (view->manager->gimp,
+                            G_OBJECT (view), GIMP_MESSAGE_ERROR,
+                            _("F1 cannot be remapped."));
+      return;
+    }
+
+  if (! gtk_accel_map_change_entry (accel_path, 0, 0, FALSE))
+    {
+      gimp_message_literal (view->manager->gimp,
+                            G_OBJECT (view), GIMP_MESSAGE_ERROR,
+                            _("Removing shortcut failed."));
+    }
+}