302 lines
8.5 KiB
C
302 lines
8.5 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikasessioninfo-book.c
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* Copyright (C) 2001-2007 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "libpikaconfig/pikaconfig.h"
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#include "widgets-types.h"
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#include "core/pikacontext.h"
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#include "menus/menus.h"
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#include "pikadialogfactory.h"
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#include "pikadock.h"
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#include "pikadockbook.h"
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#include "pikasessioninfo.h"
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#include "pikasessioninfo-book.h"
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#include "pikasessioninfo-dockable.h"
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enum
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{
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SESSION_INFO_BOOK_POSITION,
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SESSION_INFO_BOOK_CURRENT_PAGE,
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SESSION_INFO_BOOK_DOCKABLE
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};
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/* public functions */
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PikaSessionInfoBook *
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pika_session_info_book_new (void)
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{
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return g_slice_new0 (PikaSessionInfoBook);
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}
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void
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pika_session_info_book_free (PikaSessionInfoBook *info)
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{
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g_return_if_fail (info != NULL);
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if (info->dockables)
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{
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g_list_free_full (info->dockables,
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(GDestroyNotify) pika_session_info_dockable_free);
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info->dockables = NULL;
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}
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g_slice_free (PikaSessionInfoBook, info);
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}
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void
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pika_session_info_book_serialize (PikaConfigWriter *writer,
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PikaSessionInfoBook *info)
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{
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GList *pages;
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g_return_if_fail (writer != NULL);
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g_return_if_fail (info != NULL);
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pika_config_writer_open (writer, "book");
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if (info->position != 0)
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{
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gint position;
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position = pika_session_info_apply_position_accuracy (info->position);
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pika_config_writer_open (writer, "position");
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pika_config_writer_printf (writer, "%d", position);
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pika_config_writer_close (writer);
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}
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pika_config_writer_open (writer, "current-page");
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pika_config_writer_printf (writer, "%d", info->current_page);
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pika_config_writer_close (writer);
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for (pages = info->dockables; pages; pages = g_list_next (pages))
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pika_session_info_dockable_serialize (writer, pages->data);
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pika_config_writer_close (writer);
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}
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GTokenType
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pika_session_info_book_deserialize (GScanner *scanner,
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gint scope,
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PikaSessionInfoBook **book)
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{
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PikaSessionInfoBook *info;
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GTokenType token;
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g_return_val_if_fail (scanner != NULL, G_TOKEN_LEFT_PAREN);
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g_return_val_if_fail (book != NULL, G_TOKEN_LEFT_PAREN);
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g_scanner_scope_add_symbol (scanner, scope, "position",
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GINT_TO_POINTER (SESSION_INFO_BOOK_POSITION));
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g_scanner_scope_add_symbol (scanner, scope, "current-page",
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GINT_TO_POINTER (SESSION_INFO_BOOK_CURRENT_PAGE));
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g_scanner_scope_add_symbol (scanner, scope, "dockable",
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GINT_TO_POINTER (SESSION_INFO_BOOK_DOCKABLE));
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info = pika_session_info_book_new ();
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token = G_TOKEN_LEFT_PAREN;
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while (g_scanner_peek_next_token (scanner) == token)
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{
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token = g_scanner_get_next_token (scanner);
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switch (token)
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{
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case G_TOKEN_LEFT_PAREN:
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token = G_TOKEN_SYMBOL;
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break;
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case G_TOKEN_SYMBOL:
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switch (GPOINTER_TO_INT (scanner->value.v_symbol))
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{
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PikaSessionInfoDockable *dockable;
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case SESSION_INFO_BOOK_POSITION:
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token = G_TOKEN_INT;
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if (! pika_scanner_parse_int (scanner, &info->position))
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goto error;
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break;
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case SESSION_INFO_BOOK_CURRENT_PAGE:
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token = G_TOKEN_INT;
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if (! pika_scanner_parse_int (scanner, &info->current_page))
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goto error;
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break;
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case SESSION_INFO_BOOK_DOCKABLE:
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g_scanner_set_scope (scanner, scope + 1);
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token = pika_session_info_dockable_deserialize (scanner,
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scope + 1,
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&dockable);
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if (token == G_TOKEN_LEFT_PAREN)
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{
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info->dockables = g_list_append (info->dockables, dockable);
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g_scanner_set_scope (scanner, scope);
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}
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else
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goto error;
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break;
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default:
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goto error;
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}
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token = G_TOKEN_RIGHT_PAREN;
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break;
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case G_TOKEN_RIGHT_PAREN:
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token = G_TOKEN_LEFT_PAREN;
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break;
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default:
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break;
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}
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}
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*book = info;
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g_scanner_scope_remove_symbol (scanner, scope, "position");
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g_scanner_scope_remove_symbol (scanner, scope, "current-page");
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g_scanner_scope_remove_symbol (scanner, scope, "dockable");
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return token;
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error:
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*book = NULL;
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pika_session_info_book_free (info);
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return token;
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}
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PikaSessionInfoBook *
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pika_session_info_book_from_widget (PikaDockbook *dockbook)
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{
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PikaSessionInfoBook *info;
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GtkWidget *parent;
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GList *children;
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GList *list;
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g_return_val_if_fail (PIKA_IS_DOCKBOOK (dockbook), NULL);
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info = pika_session_info_book_new ();
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parent = gtk_widget_get_parent (GTK_WIDGET (dockbook));
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if (GTK_IS_PANED (parent))
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{
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GtkPaned *paned = GTK_PANED (parent);
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if (GTK_WIDGET (dockbook) == gtk_paned_get_child2 (paned))
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info->position = gtk_paned_get_position (paned);
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}
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info->current_page =
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gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook));
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children = gtk_container_get_children (GTK_CONTAINER (dockbook));
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for (list = children; list; list = g_list_next (list))
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{
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PikaSessionInfoDockable *dockable;
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dockable = pika_session_info_dockable_from_widget (list->data);
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info->dockables = g_list_prepend (info->dockables, dockable);
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}
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info->dockables = g_list_reverse (info->dockables);
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g_list_free (children);
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return info;
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}
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PikaDockbook *
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pika_session_info_book_restore (PikaSessionInfoBook *info,
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PikaDock *dock)
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{
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PikaDialogFactory *dialog_factory;
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PikaMenuFactory *menu_factory;
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GtkWidget *dockbook;
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GList *pages;
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gint n_dockables = 0;
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g_return_val_if_fail (info != NULL, NULL);
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g_return_val_if_fail (PIKA_IS_DOCK (dock), NULL);
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dialog_factory = pika_dock_get_dialog_factory (dock);
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menu_factory = menus_get_global_menu_factory (pika_dialog_factory_get_context (dialog_factory)->pika);
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dockbook = pika_dockbook_new (menu_factory);
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pika_dock_add_book (dock, PIKA_DOCKBOOK (dockbook), -1);
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for (pages = info->dockables; pages; pages = g_list_next (pages))
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{
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PikaSessionInfoDockable *dockable_info = pages->data;
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PikaDockable *dockable;
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dockable = pika_session_info_dockable_restore (dockable_info, dock);
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if (dockable)
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{
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gtk_notebook_append_page (GTK_NOTEBOOK (dockbook),
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GTK_WIDGET (dockable), NULL);
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n_dockables++;
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}
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}
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if (info->current_page <
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gtk_notebook_get_n_pages (GTK_NOTEBOOK (dockbook)))
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{
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gtk_notebook_set_current_page (GTK_NOTEBOOK (dockbook),
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info->current_page);
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}
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else if (n_dockables > 1)
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{
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gtk_notebook_set_current_page (GTK_NOTEBOOK (dockbook), 0);
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}
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/* Return the dockbook even if no dockable could be restored
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* (n_dockables == 0) because otherwise we would have to remove it
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* from the dock right here, which could implicitly destroy the
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* dock and make catching restore errors much harder on higher
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* levels. Instead, we check for restored empty dockbooks in our
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* caller.
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*/
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return PIKA_DOCKBOOK (dockbook);
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}
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