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-rw-r--r--app/widgets/gimpsessioninfo-book.c292
1 files changed, 292 insertions, 0 deletions
diff --git a/app/widgets/gimpsessioninfo-book.c b/app/widgets/gimpsessioninfo-book.c
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+++ b/app/widgets/gimpsessioninfo-book.c
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+/* 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);
+}
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