Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 292 insertions, 0 deletions

diff --git a/app/widgets/gimpsessioninfo-book.c b/app/widgets/gimpsessioninfo-book.c
new file mode 100644
index 0000000..e103165
--- /dev/null
+++ b/app/widgets/gimpsessioninfo-book.c
@@ -0,0 +1,292 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpsessioninfo-book.c
+ * Copyright (C) 2001-2007 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 <gtk/gtk.h>
+
+#include "libgimpconfig/gimpconfig.h"
+
+#include "widgets-types.h"
+
+#include "gimpdialogfactory.h"
+#include "gimpdock.h"
+#include "gimpdockbook.h"
+#include "gimpsessioninfo.h"
+#include "gimpsessioninfo-book.h"
+#include "gimpsessioninfo-dockable.h"
+
+
+enum
+{
+  SESSION_INFO_BOOK_POSITION,
+  SESSION_INFO_BOOK_CURRENT_PAGE,
+  SESSION_INFO_BOOK_DOCKABLE
+};
+
+
+/*  public functions  */
+
+GimpSessionInfoBook *
+gimp_session_info_book_new (void)
+{
+  return g_slice_new0 (GimpSessionInfoBook);
+}
+
+void
+gimp_session_info_book_free (GimpSessionInfoBook *info)
+{
+  g_return_if_fail (info != NULL);
+
+  if (info->dockables)
+    {
+      g_list_free_full (info->dockables,
+                        (GDestroyNotify) gimp_session_info_dockable_free);
+      info->dockables = NULL;
+    }
+
+  g_slice_free (GimpSessionInfoBook, info);
+}
+
+void
+gimp_session_info_book_serialize (GimpConfigWriter    *writer,
+                                  GimpSessionInfoBook *info)
+{
+  GList *pages;
+
+  g_return_if_fail (writer != NULL);
+  g_return_if_fail (info != NULL);
+
+  gimp_config_writer_open (writer, "book");
+
+  if (info->position != 0)
+    {
+      gint position;
+
+      position = gimp_session_info_apply_position_accuracy (info->position);
+
+      gimp_config_writer_open (writer, "position");
+      gimp_config_writer_printf (writer, "%d", position);
+      gimp_config_writer_close (writer);
+    }
+
+  gimp_config_writer_open (writer, "current-page");
+  gimp_config_writer_printf (writer, "%d", info->current_page);
+  gimp_config_writer_close (writer);
+
+  for (pages = info->dockables; pages; pages = g_list_next (pages))
+    gimp_session_info_dockable_serialize (writer, pages->data);
+
+  gimp_config_writer_close (writer);
+}
+
+GTokenType
+gimp_session_info_book_deserialize (GScanner             *scanner,
+                                    gint                  scope,
+                                    GimpSessionInfoBook **book)
+{
+  GimpSessionInfoBook *info;
+  GTokenType           token;
+
+  g_return_val_if_fail (scanner != NULL, G_TOKEN_LEFT_PAREN);
+  g_return_val_if_fail (book != NULL, G_TOKEN_LEFT_PAREN);
+
+  g_scanner_scope_add_symbol (scanner, scope, "position",
+                              GINT_TO_POINTER (SESSION_INFO_BOOK_POSITION));
+  g_scanner_scope_add_symbol (scanner, scope, "current-page",
+                              GINT_TO_POINTER (SESSION_INFO_BOOK_CURRENT_PAGE));
+  g_scanner_scope_add_symbol (scanner, scope, "dockable",
+                              GINT_TO_POINTER (SESSION_INFO_BOOK_DOCKABLE));
+
+  info = gimp_session_info_book_new ();
+
+  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_SYMBOL;
+          break;
+
+        case G_TOKEN_SYMBOL:
+          switch (GPOINTER_TO_INT (scanner->value.v_symbol))
+            {
+              GimpSessionInfoDockable *dockable;
+
+            case SESSION_INFO_BOOK_POSITION:
+              token = G_TOKEN_INT;
+              if (! gimp_scanner_parse_int (scanner, &info->position))
+                goto error;
+              break;
+
+            case SESSION_INFO_BOOK_CURRENT_PAGE:
+              token = G_TOKEN_INT;
+              if (! gimp_scanner_parse_int (scanner, &info->current_page))
+                goto error;
+              break;
+
+            case SESSION_INFO_BOOK_DOCKABLE:
+              g_scanner_set_scope (scanner, scope + 1);
+              token = gimp_session_info_dockable_deserialize (scanner,
+                                                              scope + 1,
+                                                              &dockable);
+
+              if (token == G_TOKEN_LEFT_PAREN)
+                {
+                  info->dockables = g_list_append (info->dockables, dockable);
+                  g_scanner_set_scope (scanner, scope);
+                }
+              else
+                goto error;
+
+              break;
+
+            default:
+              goto error;
+            }
+          token = G_TOKEN_RIGHT_PAREN;
+          break;
+
+        case G_TOKEN_RIGHT_PAREN:
+          token = G_TOKEN_LEFT_PAREN;
+          break;
+
+        default:
+          break;
+        }
+    }
+
+  *book = info;
+
+  g_scanner_scope_remove_symbol (scanner, scope, "position");
+  g_scanner_scope_remove_symbol (scanner, scope, "current-page");
+  g_scanner_scope_remove_symbol (scanner, scope, "dockable");
+
+  return token;
+
+ error:
+  *book = NULL;
+
+  gimp_session_info_book_free (info);
+
+  return token;
+}
+
+GimpSessionInfoBook *
+gimp_session_info_book_from_widget (GimpDockbook *dockbook)
+{
+  GimpSessionInfoBook *info;
+  GtkWidget           *parent;
+  GList               *children;
+  GList               *list;
+
+  g_return_val_if_fail (GIMP_IS_DOCKBOOK (dockbook), NULL);
+
+  info = gimp_session_info_book_new ();
+
+  parent = gtk_widget_get_parent (GTK_WIDGET (dockbook));
+
+  if (GTK_IS_PANED (parent))
+    {
+      GtkPaned *paned = GTK_PANED (parent);
+
+      if (GTK_WIDGET (dockbook) == gtk_paned_get_child2 (paned))
+        info->position = gtk_paned_get_position (paned);
+    }
+
+  info->current_page =
+    gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook));
+
+  children = gtk_container_get_children (GTK_CONTAINER (dockbook));
+
+  for (list = children; list; list = g_list_next (list))
+    {
+      GimpSessionInfoDockable *dockable;
+
+      dockable = gimp_session_info_dockable_from_widget (list->data);
+
+      info->dockables = g_list_prepend (info->dockables, dockable);
+    }
+
+  info->dockables = g_list_reverse (info->dockables);
+
+  g_list_free (children);
+
+  return info;
+}
+
+GimpDockbook *
+gimp_session_info_book_restore (GimpSessionInfoBook *info,
+                                GimpDock            *dock)
+{
+  GimpDialogFactory *dialog_factory;
+  GimpMenuFactory   *menu_factory;
+  GtkWidget         *dockbook;
+  GList             *pages;
+  gint               n_dockables = 0;
+
+  g_return_val_if_fail (info != NULL, NULL);
+  g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
+
+  dialog_factory = gimp_dock_get_dialog_factory (dock);
+  menu_factory   = gimp_dialog_factory_get_menu_factory (dialog_factory);
+
+  dockbook = gimp_dockbook_new (menu_factory);
+
+  gimp_dock_add_book (dock, GIMP_DOCKBOOK (dockbook), -1);
+
+  for (pages = info->dockables; pages; pages = g_list_next (pages))
+    {
+      GimpSessionInfoDockable *dockable_info = pages->data;
+      GimpDockable            *dockable;
+
+      dockable = gimp_session_info_dockable_restore (dockable_info, dock);
+
+      if (dockable)
+        {
+          gimp_dockbook_add (GIMP_DOCKBOOK (dockbook), dockable, -1);
+          n_dockables++;
+        }
+    }
+
+  if (info->current_page <
+      gtk_notebook_get_n_pages (GTK_NOTEBOOK (dockbook)))
+    {
+      gtk_notebook_set_current_page (GTK_NOTEBOOK (dockbook),
+                                     info->current_page);
+    }
+  else if (n_dockables > 1)
+    {
+      gtk_notebook_set_current_page (GTK_NOTEBOOK (dockbook), 0);
+    }
+
+  /*  Return the dockbook even if no dockable could be restored
+   *  (n_dockables == 0) because otherwise we would have to remove it
+   *  from the dock right here, which could implicitly destroy the
+   *  dock and make catching restore errors much harder on higher
+   *  levels. Instead, we check for restored empty dockbooks in our
+   *  caller.
+   */
+  return GIMP_DOCKBOOK (dockbook);
+}