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-rw-r--r--gtk/gtkmenufactory.c541
1 files changed, 541 insertions, 0 deletions
diff --git a/gtk/gtkmenufactory.c b/gtk/gtkmenufactory.c
new file mode 100644
index 000000000..d6e9ea684
--- /dev/null
+++ b/gtk/gtkmenufactory.c
@@ -0,0 +1,541 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <string.h>
+#include "gtkcheckmenuitem.h"
+#include "gtkmenu.h"
+#include "gtkmenubar.h"
+#include "gtkmenufactory.h"
+#include "gtkmenuitem.h"
+#include "gtksignal.h"
+
+
+enum
+{
+ CREATE = 1 << 0,
+ DESTROY = 1 << 1,
+ CHECK = 1 << 2
+};
+
+
+static void gtk_menu_factory_create (GtkMenuFactory *factory,
+ GtkMenuEntry *entry,
+ GtkWidget *parent,
+ const char *path);
+static void gtk_menu_factory_remove (GtkMenuFactory *factory,
+ GtkWidget *parent,
+ const char *path);
+static GtkWidget* gtk_menu_factory_make_widget (GtkMenuFactory *factory);
+static GtkMenuPath* gtk_menu_factory_get (GtkWidget *parent,
+ const char *path,
+ int flags);
+static GtkMenuPath* gtk_menu_factory_find_recurse (GtkMenuFactory *factory,
+ GtkWidget *parent,
+ const char *path);
+static void gtk_menu_factory_parse_accelerator (const char *accelerator,
+ char *accelerator_key,
+ guint8 *accelerator_mods);
+
+
+GtkMenuFactory*
+gtk_menu_factory_new (GtkMenuFactoryType type)
+{
+ GtkMenuFactory *factory;
+
+ factory = g_new (GtkMenuFactory, 1);
+ factory->path = NULL;
+ factory->type = type;
+ factory->table = NULL;
+ factory->widget = NULL;
+ factory->subfactories = NULL;
+
+ return factory;
+}
+
+void
+gtk_menu_factory_destroy (GtkMenuFactory *factory)
+{
+ GtkMenuFactory *subfactory;
+ GList *tmp_list;
+
+ g_return_if_fail (factory != NULL);
+
+ if (factory->path)
+ g_free (factory->path);
+
+ tmp_list = factory->subfactories;
+ while (tmp_list)
+ {
+ subfactory = tmp_list->data;
+ tmp_list = tmp_list->next;
+
+ gtk_menu_factory_destroy (subfactory);
+ }
+}
+
+void
+gtk_menu_factory_add_entries (GtkMenuFactory *factory,
+ GtkMenuEntry *entries,
+ int nentries)
+{
+ int i;
+
+ g_return_if_fail (factory != NULL);
+ g_return_if_fail (entries != NULL);
+ g_return_if_fail (nentries > 0);
+
+ if (!factory->widget)
+ factory->widget = gtk_menu_factory_make_widget (factory);
+
+ for (i = 0; i < nentries; i++)
+ gtk_menu_factory_create (factory, &entries[i], factory->widget, entries[i].path);
+}
+
+void
+gtk_menu_factory_add_subfactory (GtkMenuFactory *factory,
+ GtkMenuFactory *subfactory,
+ const char *path)
+{
+ g_return_if_fail (factory != NULL);
+ g_return_if_fail (subfactory != NULL);
+ g_return_if_fail (path != NULL);
+
+ if (subfactory->path)
+ g_free (subfactory->path);
+ subfactory->path = g_strdup (path);
+
+ factory->subfactories = g_list_append (factory->subfactories, subfactory);
+}
+
+void
+gtk_menu_factory_remove_paths (GtkMenuFactory *factory,
+ char **paths,
+ int npaths)
+{
+ int i;
+
+ g_return_if_fail (factory != NULL);
+ g_return_if_fail (paths != NULL);
+ g_return_if_fail (npaths > 0);
+
+ if (factory->widget)
+ {
+ for (i = 0; i < npaths; i++)
+ gtk_menu_factory_remove (factory, factory->widget, paths[i]);
+ }
+}
+
+void
+gtk_menu_factory_remove_entries (GtkMenuFactory *factory,
+ GtkMenuEntry *entries,
+ int nentries)
+{
+ int i;
+
+ g_return_if_fail (factory != NULL);
+ g_return_if_fail (entries != NULL);
+ g_return_if_fail (nentries > 0);
+
+ if (factory->widget)
+ {
+ for (i = 0; i < nentries; i++)
+ gtk_menu_factory_remove (factory, factory->widget, entries[i].path);
+ }
+}
+
+void
+gtk_menu_factory_remove_subfactory (GtkMenuFactory *factory,
+ GtkMenuFactory *subfactory,
+ const char *path)
+{
+ g_return_if_fail (factory != NULL);
+ g_return_if_fail (subfactory != NULL);
+ g_return_if_fail (path != NULL);
+
+ g_warning ("FIXME: gtk_menu_factory_remove_subfactory");
+}
+
+GtkMenuPath*
+gtk_menu_factory_find (GtkMenuFactory *factory,
+ const char *path)
+{
+ g_return_val_if_fail (factory != NULL, NULL);
+ g_return_val_if_fail (path != NULL, NULL);
+
+ return gtk_menu_factory_find_recurse (factory, factory->widget, path);
+}
+
+
+static void
+gtk_menu_factory_create (GtkMenuFactory *factory,
+ GtkMenuEntry *entry,
+ GtkWidget *parent,
+ const char *path)
+{
+ GtkMenuFactory *subfactory;
+ GtkMenuPath *menu_path;
+ GtkWidget *menu;
+ GList *tmp_list;
+ char tmp_path[256];
+ char accelerator_key;
+ guint8 accelerator_mods;
+ char *p;
+
+ g_return_if_fail (factory != NULL);
+ g_return_if_fail (entry != NULL);
+
+ /* If 'path' is empty, then simply return.
+ */
+ if (!path || path[0] == '\0')
+ return;
+
+ /* Strip off the next part of the path.
+ */
+ p = strchr (path, '/');
+
+ /* If this is the last part of the path ('p' is
+ * NULL), then we create an item.
+ */
+ if (!p)
+ {
+ /* Check to see if this item is a separator.
+ */
+ if (strcmp (path, "<separator>") == 0)
+ {
+ entry->widget = gtk_menu_item_new ();
+ gtk_container_add (GTK_CONTAINER (parent), entry->widget);
+ gtk_widget_show (entry->widget);
+ }
+ else
+ {
+ if (strncmp (path, "<check>", 7) == 0)
+ menu_path = gtk_menu_factory_get (parent, path + 7, CREATE | CHECK);
+ else
+ menu_path = gtk_menu_factory_get (parent, path, CREATE);
+ entry->widget = menu_path->widget;
+
+ if (strcmp (path, "<nothing>") == 0)
+ gtk_widget_hide (entry->widget);
+
+ if (entry->accelerator)
+ {
+ gtk_menu_factory_parse_accelerator (entry->accelerator,
+ &accelerator_key,
+ &accelerator_mods);
+ if (!factory->table)
+ {
+ factory->table = gtk_accelerator_table_new ();
+ gtk_accelerator_table_ref (factory->table);
+ }
+
+ gtk_widget_install_accelerator (menu_path->widget,
+ factory->table,
+ "activate",
+ accelerator_key,
+ accelerator_mods);
+ }
+
+ if (entry->callback)
+ gtk_signal_connect (GTK_OBJECT (menu_path->widget), "activate",
+ (GtkSignalFunc) entry->callback,
+ entry->callback_data);
+ }
+ }
+ else
+ {
+ strncpy (tmp_path, path, (unsigned int) ((long) p - (long) path));
+ tmp_path[(long) p - (long) path] = '\0';
+
+ menu_path = gtk_menu_factory_get (parent, tmp_path, 0);
+ if (!menu_path)
+ {
+ tmp_list = factory->subfactories;
+ while (tmp_list)
+ {
+ subfactory = tmp_list->data;
+ tmp_list = tmp_list->next;
+
+ if (subfactory->path &&
+ (strcmp (subfactory->path, tmp_path) == 0))
+ {
+ if (!subfactory->widget)
+ subfactory->widget = gtk_menu_factory_make_widget (subfactory);
+ gtk_menu_factory_create (subfactory, entry, subfactory->widget, p + 1);
+ return;
+ }
+ }
+
+ menu_path = gtk_menu_factory_get (parent, tmp_path, CREATE);
+ }
+
+ entry->widget = menu_path->widget;
+ menu = GTK_MENU_ITEM (menu_path->widget)->submenu;
+
+ if (!menu)
+ {
+ menu = gtk_menu_new ();
+ gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_path->widget), menu);
+
+ if (!factory->table)
+ {
+ factory->table = gtk_accelerator_table_new ();
+ gtk_accelerator_table_ref (factory->table);
+ }
+ gtk_menu_set_accelerator_table (GTK_MENU (menu), factory->table);
+ }
+
+ gtk_menu_factory_create (factory, entry, menu, p + 1);
+ }
+}
+
+static void
+gtk_menu_factory_remove (GtkMenuFactory *factory,
+ GtkWidget *parent,
+ const char *path)
+{
+ GtkMenuFactory *subfactory;
+ GtkMenuPath *menu_path;
+ GtkWidget *menu;
+ GList *tmp_list;
+ char tmp_path[256];
+ char *p;
+
+ if (!path || path[0] == '\0')
+ return;
+
+ p = strchr (path, '/');
+
+ if (!p)
+ {
+ if (parent)
+ gtk_menu_factory_get (parent, path, DESTROY);
+ }
+ else
+ {
+ strncpy (tmp_path, path, (unsigned int) ((long) p - (long) path));
+ tmp_path[(long) p - (long) path] = '\0';
+
+ menu_path = gtk_menu_factory_get (parent, tmp_path, 0);
+ if (!menu_path)
+ {
+ tmp_list = factory->subfactories;
+ while (tmp_list)
+ {
+ subfactory = tmp_list->data;
+ tmp_list = tmp_list->next;
+
+ if (subfactory->path &&
+ (strcmp (subfactory->path, tmp_path) == 0))
+ {
+ if (!subfactory->widget)
+ return;
+ gtk_menu_factory_remove (subfactory, subfactory->widget, p + 1);
+ }
+ }
+ }
+ else
+ {
+ menu = GTK_MENU_ITEM (menu_path->widget)->submenu;
+ if (menu)
+ gtk_menu_factory_remove (factory, menu, p + 1);
+ }
+ }
+}
+
+static GtkWidget*
+gtk_menu_factory_make_widget (GtkMenuFactory *factory)
+{
+ GtkWidget *widget;
+
+ g_return_val_if_fail (factory != NULL, NULL);
+
+ switch (factory->type)
+ {
+ case GTK_MENU_FACTORY_MENU:
+ widget = gtk_menu_new ();
+
+ if (!factory->table)
+ {
+ factory->table = gtk_accelerator_table_new ();
+ gtk_accelerator_table_ref (factory->table);
+ }
+ gtk_menu_set_accelerator_table (GTK_MENU (widget), factory->table);
+ return widget;
+ case GTK_MENU_FACTORY_MENU_BAR:
+ return gtk_menu_bar_new ();
+ case GTK_MENU_FACTORY_OPTION_MENU:
+ g_error ("not implemented");
+ break;
+ }
+
+ return NULL;
+}
+
+static GtkMenuPath*
+gtk_menu_factory_get (GtkWidget *parent,
+ const char *path,
+ int flags)
+{
+ GtkMenuPath *menu_path;
+ GList *tmp_list;
+
+ tmp_list = gtk_object_get_user_data (GTK_OBJECT (parent));
+ while (tmp_list)
+ {
+ menu_path = tmp_list->data;
+ tmp_list = tmp_list->next;
+
+ if (strcmp (menu_path->path, path) == 0)
+ {
+ if (flags & DESTROY)
+ {
+ tmp_list = gtk_object_get_user_data (GTK_OBJECT (parent));
+ tmp_list = g_list_remove (tmp_list, menu_path);
+ gtk_object_set_user_data (GTK_OBJECT (parent), tmp_list);
+
+ gtk_widget_destroy (menu_path->widget);
+ g_free (menu_path->path);
+ g_free (menu_path);
+
+ return NULL;
+ }
+ else
+ {
+ return menu_path;
+ }
+ }
+ }
+
+ if (flags & CREATE)
+ {
+ menu_path = g_new (GtkMenuPath, 1);
+ menu_path->path = g_strdup (path);
+
+ if (flags & CHECK)
+ menu_path->widget = gtk_check_menu_item_new_with_label (path);
+ else
+ menu_path->widget = gtk_menu_item_new_with_label (path);
+
+ gtk_container_add (GTK_CONTAINER (parent), menu_path->widget);
+ gtk_object_set_user_data (GTK_OBJECT (menu_path->widget), NULL);
+ gtk_widget_show (menu_path->widget);
+
+ tmp_list = gtk_object_get_user_data (GTK_OBJECT (parent));
+ tmp_list = g_list_prepend (tmp_list, menu_path);
+ gtk_object_set_user_data (GTK_OBJECT (parent), tmp_list);
+
+ return menu_path;
+ }
+
+ return NULL;
+}
+
+static GtkMenuPath*
+gtk_menu_factory_find_recurse (GtkMenuFactory *factory,
+ GtkWidget *parent,
+ const char *path)
+{
+ GtkMenuFactory *subfactory;
+ GtkMenuPath *menu_path;
+ GtkWidget *menu;
+ GList *tmp_list;
+ char tmp_path[256];
+ char *p;
+
+ if (!path || path[0] == '\0')
+ return NULL;
+
+ p = strchr (path, '/');
+
+ if (!p)
+ {
+ if (parent)
+ return gtk_menu_factory_get (parent, path, 0);
+ }
+ else
+ {
+ strncpy (tmp_path, path, (unsigned int) ((long) p - (long) path));
+ tmp_path[(long) p - (long) path] = '\0';
+
+ menu_path = gtk_menu_factory_get (parent, tmp_path, 0);
+ if (!menu_path)
+ {
+ tmp_list = factory->subfactories;
+ while (tmp_list)
+ {
+ subfactory = tmp_list->data;
+ tmp_list = tmp_list->next;
+
+ if (subfactory->path &&
+ (strcmp (subfactory->path, tmp_path) == 0))
+ {
+ if (!subfactory->widget)
+ return NULL;
+ return gtk_menu_factory_find_recurse (subfactory, subfactory->widget, p + 1);
+ }
+ }
+
+ return NULL;
+ }
+
+ menu = GTK_MENU_ITEM (menu_path->widget)->submenu;
+ if (menu)
+ return gtk_menu_factory_find_recurse (factory, menu, p + 1);
+ }
+
+ return NULL;
+}
+
+static void
+gtk_menu_factory_parse_accelerator (const char *accelerator,
+ char *accelerator_key,
+ guint8 *accelerator_mods)
+{
+ int done;
+
+ g_return_if_fail (accelerator != NULL);
+ g_return_if_fail (accelerator_key != NULL);
+ g_return_if_fail (accelerator_mods != NULL);
+
+ *accelerator_key = 0;
+ *accelerator_mods = 0;
+
+ done = FALSE;
+ while (!done)
+ {
+ if (strncmp (accelerator, "<shift>", 7) == 0)
+ {
+ accelerator += 7;
+ *accelerator_mods |= GDK_SHIFT_MASK;
+ }
+ else if (strncmp (accelerator, "<alt>", 5) == 0)
+ {
+ accelerator += 5;
+ *accelerator_mods |= GDK_MOD1_MASK;
+ }
+ else if (strncmp (accelerator, "<control>", 9) == 0)
+ {
+ accelerator += 9;
+ *accelerator_mods |= GDK_CONTROL_MASK;
+ }
+ else
+ {
+ done = TRUE;
+ *accelerator_key = accelerator[0];
+ }
+ }
+}
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