diff options
Diffstat (limited to 'app/widgets/gimpsessioninfo-book.c')
| -rw-r--r-- | app/widgets/gimpsessioninfo-book.c | 292 |
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); +} |