--- /dev/null
+/* Implements an elisp-programmable menubar -- Gtk interface.
+ Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+ Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
+
+This file is part of XEmacs.
+
+XEmacs 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 2, or (at your option) any
+later version.
+
+XEmacs 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 XEmacs; see the file COPYING. If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* Synched up with: Not in FSF. */
+
+/* created 16-dec-91 by jwz */
+
+#include <config.h>
+#include "lisp.h"
+
+#include "console-gtk.h"
+#include "gui-gtk.h"
+
+#include "buffer.h"
+#include "commands.h" /* zmacs_regions */
+#include "ui-gtk.h"
+#include "gui.h"
+#include "events.h"
+#include "frame.h"
+#include "opaque.h"
+#include "window.h"
+
+#ifdef HAVE_GNOME
+#include <libgnomeui/libgnomeui.h>
+#endif
+
+#define MENUBAR_TYPE 0
+#define SUBMENU_TYPE 1
+#define POPUP_TYPE 2
+
+static GtkWidget *menu_descriptor_to_widget_1 (Lisp_Object descr, GtkAccelGroup* accel_group);
+
+#define FRAME_MENUBAR_DATA(frame) ((frame)->menubar_data)
+#define XFRAME_MENUBAR_DATA_LASTBUFF(frame) (XCAR ((frame)->menubar_data))
+#define XFRAME_MENUBAR_DATA_UPTODATE(frame) (XCDR ((frame)->menubar_data))
+
+\f
+/* This is a bogus subclass of GtkMenuBar so that the menu never tries
+** to be bigger than the text widget. This prevents weird resizing
+** when jumping around between buffers with radically different menu
+** sizes.
+*/
+
+#define GTK_XEMACS_MENUBAR(obj) GTK_CHECK_CAST (obj, gtk_xemacs_menubar_get_type (), GtkXEmacsMenubar)
+#define GTK_XEMACS_MENUBAR_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_xemacs_menubar_get_type (), GtkXEmacsMenubarClass)
+#define GTK_IS_XEMACS_MENUBAR(obj) GTK_CHECK_TYPE (obj, gtk_xemacs_menubar_get_type ())
+#define GTK_XEMACS_MENUBAR_FRAME(obj) GTK_XEMACS_MENUBAR (obj)->f
+
+typedef struct _GtkXEmacsMenubar GtkXEmacsMenubar;
+typedef struct _GtkXEmacsMenubarClass GtkXEmacsMenubarClass;
+
+struct _GtkXEmacsMenubar
+{
+ GtkMenuBar menu;
+ struct frame *frame;
+};
+
+struct _GtkXEmacsMenubarClass
+{
+ GtkMenuBarClass parent_class;
+};
+
+guint gtk_xemacs_menubar_get_type (void);
+GtkWidget *gtk_xemacs_menubar_new (struct frame *f);
+
+static void gtk_xemacs_menubar_class_init (GtkXEmacsMenubarClass *klass);
+static void gtk_xemacs_menubar_init (GtkXEmacsMenubar *xemacs);
+static void gtk_xemacs_menubar_size_request (GtkWidget *widget, GtkRequisition *requisition);
+
+guint
+gtk_xemacs_menubar_get_type (void)
+{
+ static guint xemacs_menubar_type;
+
+ if (!xemacs_menubar_type)
+ {
+ static const GtkTypeInfo xemacs_menubar_info =
+ {
+ "GtkXEmacsMenubar",
+ sizeof (GtkXEmacsMenubar),
+ sizeof (GtkXEmacsMenubarClass),
+ (GtkClassInitFunc) gtk_xemacs_menubar_class_init,
+ (GtkObjectInitFunc) gtk_xemacs_menubar_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ xemacs_menubar_type = gtk_type_unique (gtk_menu_bar_get_type (), &xemacs_menubar_info);
+ }
+
+ return xemacs_menubar_type;
+}
+
+static GtkWidgetClass *menubar_parent_class;
+
+static void gtk_xemacs_menubar_class_init (GtkXEmacsMenubarClass *klass)
+{
+ GtkWidgetClass *widget_class;
+
+ widget_class = (GtkWidgetClass*) klass;
+ menubar_parent_class = (GtkWidgetClass *) gtk_type_class (gtk_menu_bar_get_type ());
+
+ widget_class->size_request = gtk_xemacs_menubar_size_request;
+}
+
+static void gtk_xemacs_menubar_init (GtkXEmacsMenubar *xemacs)
+{
+}
+
+static void gtk_xemacs_menubar_size_request (GtkWidget *widget, GtkRequisition *requisition)
+{
+ GtkXEmacsMenubar *x = GTK_XEMACS_MENUBAR (widget);
+ GtkRequisition frame_size;
+
+ menubar_parent_class->size_request (widget, requisition);
+
+ /* #### BILL!
+ ** We should really only do this if the menu has not been detached!
+ **
+ ** WMP 9/9/2000
+ */
+
+ gtk_widget_size_request (FRAME_GTK_TEXT_WIDGET (x->frame), &frame_size);
+
+ requisition->width = frame_size.width;
+}
+
+GtkWidget *
+gtk_xemacs_menubar_new (struct frame *f)
+{
+ GtkXEmacsMenubar *menubar = gtk_type_new (gtk_xemacs_menubar_get_type ());
+
+ menubar->frame = f;
+
+ return (GTK_WIDGET (menubar));
+}
+\f
+/*
+ * Label with XEmacs accelerator character support.
+ *
+ * The default interfaces to GtkAccelLabel does not understand XEmacs
+ * keystroke printing conventions, nor is it convenient in the places where is
+ * it needed. This subclass provides an alternative interface more suited to
+ * XEmacs needs but does not add new functionality.
+ */
+#define GTK_TYPE_XEMACS_ACCEL_LABEL (gtk_xemacs_accel_label_get_type ())
+#define GTK_XEMACS_ACCEL_LABEL(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_ACCEL_LABEL, GtkXEmacsAccelLabel))
+#define GTK_XEMACS_ACCEL_LABEL_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_ACCEL_LABEL, GtkXEmacsAccelLabelClass))
+#define GTK_IS_XEMACS_ACCEL_LABEL(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_XEMACS_ACCEL_LABEL))
+#define GTK_IS_XEMACS_ACCEL_LABEL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_XEMACS_ACCEL_LABEL))
+
+typedef struct _GtkXEmacsAccelLabel GtkXEmacsAccelLabel;
+typedef struct _GtkXEmacsAccelLabelClass GtkXEmacsAccelLabelClass;
+
+/* Instance structure. No additional fields required. */
+struct _GtkXEmacsAccelLabel
+{
+ GtkAccelLabel label;
+};
+
+/* Class structure. No additional fields required. */
+struct _GtkXEmacsAccelLabelClass
+{
+ GtkAccelLabelClass parent_class;
+};
+
+static GtkType gtk_xemacs_accel_label_get_type(void);
+static GtkWidget* gtk_xemacs_accel_label_new(const gchar *string);
+static void gtk_xemacs_set_accel_keys(GtkXEmacsAccelLabel* l,
+ Lisp_Object keys);
+static void gtk_xemacs_accel_label_class_init(GtkXEmacsAccelLabelClass *klass);
+static void gtk_xemacs_accel_label_init(GtkXEmacsAccelLabel *xemacs);
+
+static GtkType
+gtk_xemacs_accel_label_get_type(void)
+{
+ static GtkType xemacs_accel_label_type = 0;
+
+ if (!xemacs_accel_label_type)
+ {
+ static const GtkTypeInfo xemacs_accel_label_info =
+ {
+ "GtkXEmacsAccelLabel",
+ sizeof (GtkXEmacsAccelLabel),
+ sizeof (GtkXEmacsAccelLabelClass),
+ (GtkClassInitFunc) gtk_xemacs_accel_label_class_init,
+ (GtkObjectInitFunc) gtk_xemacs_accel_label_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ xemacs_accel_label_type = gtk_type_unique (gtk_accel_label_get_type(), &xemacs_accel_label_info);
+ }
+
+ return xemacs_accel_label_type;
+}
+
+static void
+gtk_xemacs_accel_label_class_init(GtkXEmacsAccelLabelClass *klass)
+{
+ /* Nothing to do. */
+}
+
+static void
+gtk_xemacs_accel_label_init(GtkXEmacsAccelLabel *xemacs)
+{
+ /* Nothing to do. */
+}
+
+static GtkWidget*
+gtk_xemacs_accel_label_new (const gchar *string)
+{
+ GtkXEmacsAccelLabel *xemacs_accel_label;
+
+ xemacs_accel_label = gtk_type_new (GTK_TYPE_XEMACS_ACCEL_LABEL);
+
+ if (string && *string)
+ gtk_label_set_text (GTK_LABEL (xemacs_accel_label), string);
+
+ return GTK_WIDGET (xemacs_accel_label);
+}
+
+/* Make the string <keys> the accelerator string for the label. */
+static void
+gtk_xemacs_set_accel_keys(GtkXEmacsAccelLabel* l, Lisp_Object keys)
+{
+ g_return_if_fail (l != NULL);
+ g_return_if_fail (GTK_IS_XEMACS_ACCEL_LABEL (l));
+
+ /* Disable the standard way of finding the accelerator string for the
+ label. */
+ gtk_accel_label_set_accel_widget (GTK_ACCEL_LABEL(l), NULL);
+
+ /* Set the string straight from the object. */
+ if (STRINGP (keys) && XSTRING_LENGTH (keys))
+ {
+ C_STRING_TO_EXTERNAL_MALLOC(XSTRING_DATA (keys),
+ l->label.accel_string,
+ Qctext);
+ }
+ else
+ {
+ /* l->label.accel_string = NULL;*/
+ }
+}
+\f
+
+/* We now return you to your regularly scheduled menus... */
+
+int dockable_menubar;
+
+/* #define TEAR_OFF_MENUS */
+
+#ifdef TEAR_OFF_MENUS
+int tear_off_menus;
+#endif
+
+\f
+/* Converting from XEmacs to GTK representation */
+static Lisp_Object
+menu_name_to_accelerator (char *name)
+{
+ while (*name) {
+ if (*name=='%') {
+ ++name;
+ if (!(*name))
+ return Qnil;
+ if (*name=='_' && *(name+1))
+ {
+ int accelerator = (int) (unsigned char) (*(name+1));
+ return make_char (tolower (accelerator));
+ }
+ }
+ ++name;
+ }
+ return Qnil;
+}
+
+#define XEMACS_MENU_DESCR_TAG "xemacs::menu::description"
+#define XEMACS_MENU_FILTER_TAG "xemacs::menu::filter"
+#define XEMACS_MENU_GUIID_TAG "xemacs::menu::gui_id"
+#define XEMACS_MENU_FIRSTTIME_TAG "xemacs::menu::first_time"
+
+static void __activate_menu(GtkMenuItem *, gpointer);
+
+#ifdef TEAR_OFF_MENUS
+static void
+__torn_off_sir(GtkMenuItem *item, gpointer user_data)
+{
+ GtkWidget *menu_item = GTK_WIDGET (user_data);
+
+ if (GTK_TEAROFF_MENU_ITEM (item)->torn_off)
+ {
+ /* Menu was just torn off */
+ GUI_ID id = new_gui_id ();
+ Lisp_Object menu_desc = Qnil;
+ GtkWidget *old_submenu = GTK_MENU_ITEM (menu_item)->submenu;
+
+ VOID_TO_LISP (menu_desc, gtk_object_get_data (GTK_OBJECT (menu_item), XEMACS_MENU_DESCR_TAG));
+
+ /* GCPRO all of our very own */
+ gcpro_popup_callbacks (id, menu_desc);
+
+ /* Hide the now detached menu from the attentions of
+ __activate_menu destroying the old submenu */
+#if 0
+ gtk_widget_ref (old_submenu);
+ gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), gtk_menu_new ());
+ gtk_widget_show_all (old_submenu);
+#endif
+ }
+}
+#endif
+
+/* This is called when a menu is about to be shown... this is what
+ does the delayed creation of the menu items. We populate the
+ submenu and away we go. */
+static void
+__maybe_destroy (GtkWidget *child, GtkWidget *precious)
+{
+ if (GTK_IS_MENU_ITEM (child) && !GTK_IS_TEAROFF_MENU_ITEM (child))
+ {
+ if (GTK_WIDGET_VISIBLE (child))
+ {
+ /* If we delete the menu item that was 'active' when the
+ menu was cancelled, GTK gets upset because it tries to
+ remove the focus rectangle from a (now) dead widget.
+
+ This widget will eventually get killed because it will
+ not be visible the next time the window is shown.
+ */
+ gtk_widget_set_sensitive (child, FALSE);
+ gtk_widget_hide_all (child);
+ }
+ else
+ {
+ gtk_widget_destroy (child);
+ }
+ }
+}
+
+/* If user_data != 0x00 then we are using a hook to build the menu. */
+static void
+__activate_menu(GtkMenuItem *item, gpointer user_data)
+{
+ Lisp_Object desc;
+ gpointer force_clear = gtk_object_get_data (GTK_OBJECT (item), XEMACS_MENU_FIRSTTIME_TAG);
+
+ gtk_object_set_data (GTK_OBJECT (item), XEMACS_MENU_FIRSTTIME_TAG, 0x00);
+
+ /* Delete the old contents of the menu if we are the top level menubar */
+ if (GTK_IS_MENU_BAR (GTK_WIDGET (item)->parent) || force_clear)
+ {
+ GtkWidget *selected = gtk_menu_get_active (GTK_MENU (item->submenu));
+
+ gtk_container_foreach (GTK_CONTAINER (item->submenu),(GtkCallback) __maybe_destroy,
+ selected);
+ }
+ else if (gtk_container_children (GTK_CONTAINER (item->submenu)))
+ {
+ return;
+ }
+
+ VOID_TO_LISP (desc, gtk_object_get_data (GTK_OBJECT (item), XEMACS_MENU_DESCR_TAG));
+
+#ifdef TEAR_OFF_MENUS
+ /* Lets stick in a detacher just for giggles */
+ if (tear_off_menus && !gtk_container_children (GTK_CONTAINER (item->submenu)))
+ {
+ GtkWidget *w = gtk_tearoff_menu_item_new ();
+ gtk_widget_show (w);
+ gtk_menu_append (GTK_MENU (item->submenu), w);
+ gtk_signal_connect (GTK_OBJECT (w), "activate", GTK_SIGNAL_FUNC (__torn_off_sir), item);
+ }
+#endif
+
+ if (user_data)
+ {
+ GUI_ID id = (GUI_ID) gtk_object_get_data (GTK_OBJECT (item), XEMACS_MENU_GUIID_TAG);
+ Lisp_Object hook_fn;
+ struct gcpro gcpro1, gcpro2;
+
+ VOID_TO_LISP (hook_fn, gtk_object_get_data (GTK_OBJECT (item), XEMACS_MENU_FILTER_TAG));
+
+ GCPRO2 (desc, hook_fn);
+
+ desc = call1 (hook_fn, desc);
+
+ UNGCPRO;
+
+ ungcpro_popup_callbacks (id);
+ gcpro_popup_callbacks (id, desc);
+ }
+
+ /* Build the child widgets */
+ for (; !NILP (desc); desc = Fcdr (desc))
+ {
+ GtkWidget *next = NULL;
+ Lisp_Object child = Fcar (desc);
+
+ if (NILP (child)) /* the partition */
+ {
+ /* Signal an error here? The NILP handling is handled a
+ layer higher where appropriate */
+ }
+ else
+ {
+ next = menu_descriptor_to_widget_1 (child,
+ gtk_menu_ensure_uline_accel_group (GTK_MENU (item->submenu)));
+ }
+
+ if (!next)
+ {
+ continue;
+ }
+
+ gtk_widget_show_all (next);
+ gtk_menu_append (GTK_MENU (item->submenu), next);
+ }
+}
+
+/* This is called whenever an item with a GUI_ID associated with it is
+ destroyed. This allows us to remove the references in gui-gtk.c
+ that made sure callbacks and such were GCPRO-ed
+*/
+static void
+__remove_gcpro_by_id (gpointer user_data)
+{
+ ungcpro_popup_callbacks ((GUI_ID) user_data);
+}
+
+static void
+__kill_stupid_gtk_timer (GtkObject *obj, gpointer user_data)
+{
+ GtkMenuItem *mi = GTK_MENU_ITEM (obj);
+
+ if (mi->timer)
+ {
+ gtk_timeout_remove (mi->timer);
+ mi->timer = 0;
+ }
+}
+
+/* Convert the XEmacs menu accelerator representation to Gtk mnemonic form. If
+ no accelerator has been provided, put one at the start of the string (this
+ mirrors the behaviour under X). This algorithm is also found in
+ dialog-gtk.el:gtk-popup-convert-underscores.
+*/
+static char *
+convert_underscores(const char *name)
+{
+ char *rval;
+ int i,j;
+ int found_accel = FALSE;
+ int underscores = 0;
+
+ for (i = 0; name[i]; ++i)
+ if (name[i] == '%' && name[i+1] == '_')
+ {
+ found_accel = TRUE;
+ }
+ else if (name[i] == '_')
+ {
+ underscores++;
+ }
+
+ /* Allocate space for the original string, plus zero byte plus extra space
+ for all quoted underscores plus possible additional leading accelerator. */
+ rval = xmalloc_and_zero (strlen(name) + 1 + underscores
+ + (found_accel ? 0 : 1));
+
+ if (!found_accel)
+ rval[0] = '_';
+
+ for (i = 0, j = (found_accel ? 0 : 1); name[i]; i++)
+ {
+ if (name[i]=='%')
+ {
+ i++;
+ if (!(name[i]))
+ continue;
+
+ if ((name[i] != '_') && (name[i] != '%'))
+ i--;
+
+ found_accel = TRUE;
+ }
+ else if (name[i] == '_')
+ {
+ rval[j++] = '_';
+ }
+
+ rval[j++] = name[i];
+ }
+
+ return rval;
+}
+
+
+/* Remove the XEmacs menu accellerator representation from a string. */
+static char *
+remove_underscores(const char *name)
+{
+ char *rval = xmalloc_and_zero (strlen(name) + 1);
+ int i,j;
+
+ for (i = 0, j = 0; name[i]; i++)
+ {
+ if (name[i]=='%') {
+ i++;
+ if (!(name[i]))
+ continue;
+
+ if ((name[i] != '_') && (name[i] != '%'))
+ i--;
+ else
+ continue;
+ }
+ rval[j++] = name[i];
+ }
+ return rval;
+}
+
+/* This converts an entire menu into a GtkMenuItem (with an attached
+ submenu). A menu is a list of (STRING [:keyword value]+ [DESCR]+)
+ DESCR is either a list (meaning a submenu), a vector, or nil (if
+ you include a :filter keyword) */
+static GtkWidget *
+menu_convert (Lisp_Object desc, GtkWidget *reuse,
+ GtkAccelGroup* menubar_accel_group)
+{
+ GtkWidget *menu_item = NULL;
+ GtkWidget *submenu = NULL;
+ Lisp_Object key, val;
+ Lisp_Object include_p = Qnil, hook_fn = Qnil, config_tag = Qnil;
+ Lisp_Object active_p = Qt;
+ Lisp_Object accel;
+ int included_spec = 0;
+ int active_spec = 0;
+
+ if (STRINGP (XCAR (desc)))
+ {
+ accel = menu_name_to_accelerator (XSTRING_DATA (XCAR (desc)));
+
+ if (!reuse)
+ {
+ char *temp_menu_name = convert_underscores (XSTRING_DATA (XCAR (desc)));
+ GtkWidget* accel_label = gtk_xemacs_accel_label_new(NULL);
+ guint accel_key;
+
+ gtk_misc_set_alignment (GTK_MISC (accel_label), 0.0, 0.5);
+ accel_key = gtk_label_parse_uline (GTK_LABEL (accel_label), temp_menu_name);
+
+ menu_item = gtk_menu_item_new ();
+ gtk_container_add (GTK_CONTAINER (menu_item), accel_label);
+ gtk_widget_show (accel_label);
+
+ if (menubar_accel_group)
+ gtk_widget_add_accelerator (menu_item,
+ "activate_item",
+ menubar_accel_group,
+ accel_key, GDK_MOD1_MASK,
+ GTK_ACCEL_LOCKED);
+ free (temp_menu_name);
+ }
+ else
+ {
+ menu_item = reuse;
+ }
+
+ submenu = gtk_menu_new ();
+ gtk_widget_show (menu_item);
+ gtk_widget_show (submenu);
+
+ if (!reuse)
+ gtk_signal_connect (GTK_OBJECT (menu_item), "destroy",
+ GTK_SIGNAL_FUNC (__kill_stupid_gtk_timer), NULL);
+
+ /* Without this sometimes a submenu gets left on the screen -
+ ** urk
+ */
+ if (GTK_MENU_ITEM (menu_item)->submenu)
+ {
+ gtk_widget_destroy (GTK_MENU_ITEM (menu_item)->submenu);
+ }
+
+ gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), submenu);
+
+ /* We put this bogus menu item in so that GTK does the right
+ ** thing when the menu is near the screen border.
+ **
+ ** Aug 29, 2000
+ */
+ {
+ GtkWidget *bogus_item = gtk_menu_item_new_with_label ("A suitably long label here...");
+
+ gtk_object_set_data (GTK_OBJECT (menu_item), XEMACS_MENU_FIRSTTIME_TAG, (gpointer)0x01);
+ gtk_widget_show_all (bogus_item);
+ gtk_menu_append (GTK_MENU (submenu), bogus_item);
+ }
+
+ desc = Fcdr (desc);
+
+ while (key = Fcar (desc), KEYWORDP (key))
+ {
+ Lisp_Object cascade = desc;
+ desc = Fcdr (desc);
+ if (NILP (desc))
+ signal_simple_error ("keyword in menu lacks a value",
+ cascade);
+ val = Fcar (desc);
+ desc = Fcdr (desc);
+ if (EQ (key, Q_included))
+ include_p = val, included_spec = 1;
+ else if (EQ (key, Q_config))
+ config_tag = val;
+ else if (EQ (key, Q_filter))
+ hook_fn = val;
+ else if (EQ (key, Q_active))
+ active_p = val, active_spec = 1;
+ else if (EQ (key, Q_accelerator))
+ {
+#if 0
+ if ( SYMBOLP (val)
+ || CHARP (val))
+ wv->accel = LISP_TO_VOID (val);
+ else
+ signal_simple_error ("bad keyboard accelerator", val);
+#endif
+ }
+ else if (EQ (key, Q_label))
+ {
+ /* implement in 21.2 */
+ }
+ else
+ signal_simple_error ("unknown menu cascade keyword", cascade);
+ }
+
+ gtk_object_set_data (GTK_OBJECT (menu_item), XEMACS_MENU_DESCR_TAG, LISP_TO_VOID (desc));
+ gtk_object_set_data (GTK_OBJECT (menu_item), XEMACS_MENU_FILTER_TAG, LISP_TO_VOID (hook_fn));
+
+ if ((!NILP (config_tag)
+ && NILP (Fmemq (config_tag, Vmenubar_configuration)))
+ || (included_spec && NILP (Feval (include_p))))
+ {
+ return (NULL);
+ }
+
+ if (active_spec)
+ active_p = Feval (active_p);
+
+ gtk_widget_set_sensitive (GTK_WIDGET (menu_item), ! NILP (active_p));
+ }
+ else
+ {
+ signal_simple_error ("menu name (first element) must be a string",
+ desc);
+ }
+
+ /* If we are reusing a widget, we need to make sure we clean
+ ** everything up.
+ */
+ if (reuse)
+ {
+ gpointer id = gtk_object_get_data (GTK_OBJECT (reuse), XEMACS_MENU_GUIID_TAG);
+
+ if (id)
+ {
+ /* If the menu item had a GUI_ID that means it was a filter menu */
+ __remove_gcpro_by_id (id);
+ gtk_signal_disconnect_by_func (GTK_OBJECT (reuse),
+ GTK_SIGNAL_FUNC (__activate_menu),
+ (gpointer) 0x01 );
+ }
+ else
+ {
+ gtk_signal_disconnect_by_func (GTK_OBJECT (reuse),
+ GTK_SIGNAL_FUNC (__activate_menu),
+ NULL);
+ }
+
+ GTK_MENU_ITEM (reuse)->right_justify = 0;
+ }
+
+ if (NILP (hook_fn))
+ {
+ /* Generic menu builder */
+ gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
+ GTK_SIGNAL_FUNC (__activate_menu),
+ NULL);
+ }
+ else
+ {
+ GUI_ID id = new_gui_id ();
+
+ gtk_object_set_data (GTK_OBJECT (menu_item), XEMACS_MENU_GUIID_TAG,
+ (gpointer) id);
+
+ /* Make sure we gcpro the menu descriptions */
+ gcpro_popup_callbacks (id, desc);
+ gtk_object_weakref (GTK_OBJECT (menu_item), __remove_gcpro_by_id,
+ (gpointer) id);
+
+ gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
+ GTK_SIGNAL_FUNC (__activate_menu),
+ (gpointer) 0x01);
+ }
+
+ return (menu_item);
+}
+
+/* Called whenever a button, radio, or toggle is selected in the menu */
+static void
+__generic_button_callback (GtkMenuItem *item, gpointer user_data)
+{
+ Lisp_Object callback, function, data, channel;
+
+ XSETFRAME (channel, gtk_widget_to_frame (GTK_WIDGET (item)));
+
+ VOID_TO_LISP (callback, user_data);
+
+ get_gui_callback (callback, &function, &data);
+
+ signal_special_gtk_user_event (channel, function, data);
+}
+
+/* Convert a single menu item descriptor to a suitable GtkMenuItem */
+/* This function cannot GC.
+ It is only called from menu_item_descriptor_to_widget_value, which
+ prohibits GC. */
+static GtkWidget *
+menu_descriptor_to_widget_1 (Lisp_Object descr, GtkAccelGroup* accel_group)
+{
+ if (STRINGP (descr))
+ {
+ /* It is a separator. Unfortunately GTK does not allow us to
+ specify what our separators look like, so we can't do all the
+ fancy stuff that the X code does.
+ */
+ return (gtk_menu_item_new ());
+ }
+ else if (LISTP (descr))
+ {
+ /* It is a submenu */
+ return (menu_convert (descr, NULL, accel_group));
+ }
+ else if (VECTORP (descr))
+ {
+ /* An actual menu item description! This gets yucky. */
+ Lisp_Object name = Qnil;
+ Lisp_Object callback = Qnil;
+ Lisp_Object suffix = Qnil;
+ Lisp_Object active_p = Qt;
+ Lisp_Object include_p = Qt;
+ Lisp_Object selected_p = Qnil;
+ Lisp_Object keys = Qnil;
+ Lisp_Object style = Qnil;
+ Lisp_Object config_tag = Qnil;
+ Lisp_Object accel = Qnil;
+ GtkWidget *main_label = NULL;
+ int length = XVECTOR_LENGTH (descr);
+ Lisp_Object *contents = XVECTOR_DATA (descr);
+ int plist_p;
+ int selected_spec = 0, included_spec = 0;
+ GtkWidget *widget = NULL;
+ guint accel_key;
+
+ if (length < 2)
+ signal_simple_error ("button descriptors must be at least 2 long", descr);
+
+ /* length 2: [ "name" callback ]
+ length 3: [ "name" callback active-p ]
+ length 4: [ "name" callback active-p suffix ]
+ or [ "name" callback keyword value ]
+ length 5+: [ "name" callback [ keyword value ]+ ]
+ */
+ plist_p = (length >= 5 || (length > 2 && KEYWORDP (contents [2])));
+
+ if (!plist_p && length > 2)
+ /* the old way */
+ {
+ name = contents [0];
+ callback = contents [1];
+ active_p = contents [2];
+ if (length == 4)
+ suffix = contents [3];
+ }
+ else
+ {
+ /* the new way */
+ int i;
+ if (length & 1)
+ signal_simple_error (
+ "button descriptor has an odd number of keywords and values",
+ descr);
+
+ name = contents [0];
+ callback = contents [1];
+ for (i = 2; i < length;)
+ {
+ Lisp_Object key = contents [i++];
+ Lisp_Object val = contents [i++];
+ if (!KEYWORDP (key))
+ signal_simple_error_2 ("not a keyword", key, descr);
+
+ if (EQ (key, Q_active)) active_p = val;
+ else if (EQ (key, Q_suffix)) suffix = val;
+ else if (EQ (key, Q_keys)) keys = val;
+ else if (EQ (key, Q_key_sequence)) ; /* ignored for FSF compat */
+ else if (EQ (key, Q_label)) ; /* implement for 21.0 */
+ else if (EQ (key, Q_style)) style = val;
+ else if (EQ (key, Q_selected)) selected_p = val, selected_spec = 1;
+ else if (EQ (key, Q_included)) include_p = val, included_spec = 1;
+ else if (EQ (key, Q_config)) config_tag = val;
+ else if (EQ (key, Q_accelerator))
+ {
+ if ( SYMBOLP (val) || CHARP (val))
+ accel = val;
+ else
+ signal_simple_error ("bad keyboard accelerator", val);
+ }
+ else if (EQ (key, Q_filter))
+ signal_simple_error(":filter keyword not permitted on leaf nodes", descr);
+ else
+ signal_simple_error_2 ("unknown menu item keyword", key, descr);
+ }
+ }
+
+#ifdef HAVE_MENUBARS
+ if ((!NILP (config_tag) && NILP (Fmemq (config_tag, Vmenubar_configuration)))
+ || (included_spec && NILP (Feval (include_p))))
+ {
+ /* the include specification says to ignore this item. */
+ return 0;
+ }
+#endif /* HAVE_MENUBARS */
+
+ CHECK_STRING (name);
+
+ if (NILP (accel))
+ accel = menu_name_to_accelerator (XSTRING_DATA (name));
+
+ if (!NILP (suffix))
+ suffix = Feval (suffix);
+
+ if (!separator_string_p (XSTRING_DATA (name)))
+ {
+ char *label_buffer = NULL;
+ char *temp_label = NULL;
+
+ if (STRINGP (suffix) && XSTRING_LENGTH (suffix))
+ {
+ label_buffer = alloca (XSTRING_LENGTH (name) + 15 + XSTRING_LENGTH (suffix));
+ sprintf (label_buffer, "%s %s ", XSTRING_DATA (name), XSTRING_DATA (suffix));
+ }
+ else
+ {
+ label_buffer = alloca (XSTRING_LENGTH (name) + 15);
+ sprintf (label_buffer, "%s ", XSTRING_DATA (name));
+ }
+
+ temp_label = convert_underscores (label_buffer);
+ main_label = gtk_xemacs_accel_label_new (NULL);
+ accel_key = gtk_label_parse_uline (GTK_LABEL (main_label), temp_label);
+ free (temp_label);
+ }
+
+ /* Evaluate the selected and active items now */
+ if (selected_spec)
+ {
+ if (NILP (selected_p) || EQ (selected_p, Qt))
+ {
+ /* Do nothing */
+ }
+ else
+ {
+ selected_p = Feval (selected_p);
+ }
+ }
+
+ if (NILP (active_p) || EQ (active_p, Qt))
+ {
+ /* Do Nothing */
+ }
+ else
+ {
+ active_p = Feval (active_p);
+ }
+
+ if (0 ||
+#ifdef HAVE_MENUBARS
+ menubar_show_keybindings
+#endif
+ )
+ {
+ /* Need to get keybindings */
+ if (!NILP (keys))
+ {
+ /* User-specified string to generate key bindings with */
+ CHECK_STRING (keys);
+
+ keys = Fsubstitute_command_keys (keys);
+ }
+ else if (SYMBOLP (callback))
+ {
+ char buf[1024];
+
+ /* #### Warning, dependency here on current_buffer and point */
+ where_is_to_char (callback, buf);
+
+ keys = build_string (buf);
+ }
+ }
+
+ /* Now we get down to the dirty business of creating the widgets */
+ if (NILP (style) || EQ (style, Qtext) || EQ (style, Qbutton))
+ {
+ /* A normal menu item */
+ widget = gtk_menu_item_new ();
+ }
+ else if (EQ (style, Qtoggle) || EQ (style, Qradio))
+ {
+ /* They are radio or toggle buttons.
+
+ XEmacs' menu descriptions are fairly lame in that they do
+ not have the idea of a 'group' of radio buttons. They
+ are exactly like toggle buttons except that they get
+ drawn differently.
+
+ GTK rips us a new one again. If you have a radio button
+ in a group by itself, it always draws it as highlighted.
+ So we dummy up and create a second radio button that does
+ not get added to the menu, but gets invisibly set/unset
+ when the other gets unset/set. *sigh*
+
+ */
+ if (EQ (style, Qradio))
+ {
+ GtkWidget *dummy_sibling = NULL;
+ GSList *group = NULL;
+
+ dummy_sibling = gtk_radio_menu_item_new (group);
+ group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (dummy_sibling));
+ widget = gtk_radio_menu_item_new (group);
+
+ /* We need to notice when the 'real' one gets destroyed
+ so we can clean up the dummy as well. */
+ gtk_object_weakref (GTK_OBJECT (widget),
+ (GtkDestroyNotify) gtk_widget_destroy,
+ dummy_sibling);
+ }
+ else
+ {
+ widget = gtk_check_menu_item_new ();
+ }
+
+ /* What horrible defaults you have GTK dear! The default
+ for a toggle menu item is to not show the toggle unless it
+ is turned on or actively highlighted. How absolutely
+ hideous. */
+ gtk_check_menu_item_set_show_toggle (GTK_CHECK_MENU_ITEM (widget), TRUE);
+ gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (widget),
+ NILP (selected_p) ? FALSE : TRUE);
+ }
+ else
+ {
+ signal_simple_error_2 ("unknown style", style, descr);
+ }
+
+ gtk_widget_set_sensitive (widget, ! NILP (active_p));
+
+ gtk_signal_connect (GTK_OBJECT (widget), "activate-item",
+ GTK_SIGNAL_FUNC (__generic_button_callback),
+ LISP_TO_VOID (callback));
+
+ gtk_signal_connect (GTK_OBJECT (widget), "activate",
+ GTK_SIGNAL_FUNC (__generic_button_callback),
+ LISP_TO_VOID (callback));
+
+ /* Now that all the information about the menu item is know, set the
+ remaining properties.
+ */
+
+ if (main_label)
+ {
+ gtk_container_add (GTK_CONTAINER (widget), main_label);
+
+ gtk_misc_set_alignment (GTK_MISC (main_label), 0.0, 0.5);
+ gtk_xemacs_set_accel_keys(GTK_XEMACS_ACCEL_LABEL(main_label), keys);
+
+ if (accel_group)
+ gtk_widget_add_accelerator (widget,
+ "activate_item",
+ accel_group,
+ accel_key, 0,
+ GTK_ACCEL_LOCKED);
+ }
+
+ return (widget);
+ }
+ else
+ {
+ return (NULL);
+ /* ABORT (); ???? */
+ }
+}
+
+static GtkWidget *
+menu_descriptor_to_widget (Lisp_Object descr, GtkAccelGroup* accel_group)
+{
+ int count = specpdl_depth ();
+ GtkWidget *rval = NULL;
+
+ record_unwind_protect (restore_gc_inhibit, make_int (gc_currently_forbidden));
+
+ gc_currently_forbidden = 1;
+
+ /* Cannot GC from here on out... */
+ rval = menu_descriptor_to_widget_1 (descr, accel_group);
+ unbind_to (count, Qnil);
+ return (rval);
+
+}
+
+static gboolean
+menu_can_reuse_widget (GtkWidget *child, const char *label)
+{
+ /* Everything up at the top level was done using
+ ** gtk_xemacs_accel_label_new(), but we still double check to make
+ ** sure we don't seriously foobar ourselves.
+ */
+ gpointer possible_child =
+ g_list_nth_data (gtk_container_children (GTK_CONTAINER (child)), 0);
+ gboolean ret_val = FALSE;
+
+ if (possible_child && GTK_IS_LABEL (possible_child))
+ {
+ char *temp_label = remove_underscores (label);
+
+ if (!strcmp (GTK_LABEL (possible_child)->label, temp_label))
+ ret_val = TRUE;
+
+ free (temp_label);
+ }
+
+ return ret_val;
+}
+
+/* Converts a menubar description into a GtkMenuBar... a menubar is a
+ list of menus or buttons
+*/
+static void
+menu_create_menubar (struct frame *f, Lisp_Object descr)
+{
+ gboolean right_justify = FALSE;
+ Lisp_Object tail = Qnil;
+ Lisp_Object value = descr;
+ Lisp_Object item_descr = Qnil;
+ GtkWidget *menubar = FRAME_GTK_MENUBAR_WIDGET (f);
+ GUI_ID id = (GUI_ID) gtk_object_get_data (GTK_OBJECT (menubar), XEMACS_MENU_GUIID_TAG);
+ guint menu_position = 0;
+ GtkAccelGroup *menubar_accel_group;
+
+ /* Remove any existing protection for old menu items */
+ ungcpro_popup_callbacks (id);
+
+ /* GCPRO the whole damn thing */
+ gcpro_popup_callbacks (id, descr);
+
+ menubar_accel_group = gtk_accel_group_new();
+
+ EXTERNAL_LIST_LOOP (tail, value)
+ {
+ gpointer current_child = g_list_nth_data (GTK_MENU_SHELL (menubar)->children, menu_position);
+
+ item_descr = XCAR (tail);
+
+ if (NILP (item_descr))
+ {
+ /* Need to start right-justifying menus */
+ right_justify = TRUE;
+ menu_position--;
+ }
+ else if (VECTORP (item_descr))
+ {
+ /* It is a button description */
+ GtkWidget *item;
+
+ item = menu_descriptor_to_widget (item_descr, menubar_accel_group);
+ gtk_widget_set_name (item, "XEmacsMenuButton");
+
+ if (!item)
+ {
+ item = gtk_menu_item_new_with_label ("ITEM CREATION ERROR");
+ }
+
+ gtk_widget_show_all (item);
+ if (current_child) gtk_widget_destroy (GTK_WIDGET (current_child));
+ gtk_menu_bar_insert (GTK_MENU_BAR (menubar), item, menu_position);
+ }
+ else if (LISTP (item_descr))
+ {
+ /* Need to actually convert it into a menu and slap it in */
+ GtkWidget *widget;
+ gboolean reused_p = FALSE;
+
+ /* We may be able to reuse the widget, let's at least check. */
+ if (current_child && menu_can_reuse_widget (GTK_WIDGET (current_child),
+ XSTRING_DATA (XCAR (item_descr))))
+ {
+ widget = menu_convert (item_descr, GTK_WIDGET (current_child),
+ menubar_accel_group);
+ reused_p = TRUE;
+ }
+ else
+ {
+ widget = menu_convert (item_descr, NULL, menubar_accel_group);
+ if (current_child) gtk_widget_destroy (GTK_WIDGET (current_child));
+ gtk_menu_bar_insert (GTK_MENU_BAR (menubar), widget, menu_position);
+ }
+
+ if (widget)
+ {
+ if (right_justify) gtk_menu_item_right_justify (GTK_MENU_ITEM (widget));
+ }
+ else
+ {
+ widget = gtk_menu_item_new_with_label ("ERROR");
+ /* abort() */
+ }
+ gtk_widget_show_all (widget);
+ }
+ else if (STRINGP (item_descr))
+ {
+ /* Do I really want to be this careful? Anything else in a
+ menubar description is illegal */
+ }
+ menu_position++;
+ }
+
+ /* Need to delete any menu items that were past the bounds of the new one */
+ {
+ GList *l = NULL;
+
+ while ((l = g_list_nth (GTK_MENU_SHELL (menubar)->children, menu_position)))
+ {
+ gpointer data = l->data;
+ g_list_remove_link (GTK_MENU_SHELL (menubar)->children, l);
+
+ if (data)
+ {
+ gtk_widget_destroy (GTK_WIDGET (data));
+ }
+ }
+ }
+
+ /* Attach the new accelerator group to the frame. */
+ gtk_window_add_accel_group (GTK_WINDOW (FRAME_GTK_SHELL_WIDGET(f)),
+ menubar_accel_group);
+}
+
+\f
+/* Deal with getting/setting the menubar */
+#ifndef GNOME_IS_APP
+#define GNOME_IS_APP(x) 0
+#define gnome_app_set_menus(x,y)
+#endif
+
+static gboolean
+run_menubar_hook (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
+{
+ if (!GTK_MENU_SHELL(widget)->active)
+ {
+ run_hook (Qactivate_menubar_hook);
+ }
+ return(FALSE);
+}
+
+static void
+create_menubar_widget (struct frame *f)
+{
+ GUI_ID id = new_gui_id ();
+ GtkWidget *handlebox = NULL;
+ GtkWidget *menubar = gtk_xemacs_menubar_new (f);
+
+ if (GNOME_IS_APP (FRAME_GTK_SHELL_WIDGET (f)))
+ {
+ gnome_app_set_menus (GNOME_APP (FRAME_GTK_SHELL_WIDGET (f)), GTK_MENU_BAR (menubar));
+ }
+ else if (dockable_menubar)
+ {
+ handlebox = gtk_handle_box_new ();
+ gtk_handle_box_set_handle_position (GTK_HANDLE_BOX (handlebox), GTK_POS_LEFT);
+ gtk_container_add (GTK_CONTAINER (handlebox), menubar);
+ gtk_box_pack_start (GTK_BOX (FRAME_GTK_CONTAINER_WIDGET (f)), handlebox, FALSE, FALSE, 0);
+ }
+ else
+ {
+ gtk_box_pack_start (GTK_BOX (FRAME_GTK_CONTAINER_WIDGET (f)), menubar, FALSE, FALSE, 0);
+ }
+
+ gtk_signal_connect (GTK_OBJECT (menubar), "button-press-event",
+ GTK_SIGNAL_FUNC (run_menubar_hook), NULL);
+
+ FRAME_GTK_MENUBAR_WIDGET (f) = menubar;
+ gtk_object_set_data (GTK_OBJECT (menubar), XEMACS_MENU_GUIID_TAG, (gpointer) id);
+ gtk_object_weakref (GTK_OBJECT (menubar), __remove_gcpro_by_id, (gpointer) id);
+}
+
+static int
+set_frame_menubar (struct frame *f, int first_time_p)
+{
+ Lisp_Object menubar;
+ int menubar_visible;
+ /* As for the toolbar, the minibuffer does not have its own menubar. */
+ struct window *w = XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f));
+
+ if (! FRAME_GTK_P (f))
+ return 0;
+
+ /***** first compute the contents of the menubar *****/
+
+ if (! first_time_p)
+ {
+ /* evaluate `current-menubar' in the buffer of the selected window
+ of the frame in question. */
+ menubar = symbol_value_in_buffer (Qcurrent_menubar, w->buffer);
+ }
+ else
+ {
+ /* That's a little tricky the first time since the frame isn't
+ fully initialized yet. */
+ menubar = Fsymbol_value (Qcurrent_menubar);
+ }
+
+ if (NILP (menubar))
+ {
+ menubar = Vblank_menubar;
+ menubar_visible = 0;
+ }
+ else
+ {
+ menubar_visible = !NILP (w->menubar_visible_p);
+ }
+
+ if (!FRAME_GTK_MENUBAR_WIDGET (f))
+ {
+ create_menubar_widget (f);
+ }
+
+ /* Populate the menubar, but nothing is shown yet */
+ {
+ Lisp_Object old_buffer;
+ int count = specpdl_depth ();
+
+ old_buffer = Fcurrent_buffer ();
+ record_unwind_protect (Fset_buffer, old_buffer);
+ Fset_buffer (XWINDOW (FRAME_SELECTED_WINDOW (f))->buffer);
+
+ menu_create_menubar (f, menubar);
+
+ Fset_buffer (old_buffer);
+ unbind_to (count, Qnil);
+ }
+
+ FRAME_MENUBAR_DATA (f) = Fcons (XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f))->buffer, Qt);
+
+ return (menubar_visible);
+}
+
+/* Called from gtk_create_widgets() to create the inital menubar of a frame
+ before it is mapped, so that the window is mapped with the menubar already
+ there instead of us tacking it on later and thrashing the window after it
+ is visible. */
+int
+gtk_initialize_frame_menubar (struct frame *f)
+{
+ create_menubar_widget (f);
+ return set_frame_menubar (f, 1);
+}
+
+\f
+static void
+gtk_update_frame_menubar_internal (struct frame *f)
+{
+ /* We assume the menubar contents has changed if the global flag is set,
+ or if the current buffer has changed, or if the menubar has never
+ been updated before.
+ */
+ int menubar_contents_changed =
+ (f->menubar_changed
+ || NILP (FRAME_MENUBAR_DATA (f))
+ || (!EQ (XFRAME_MENUBAR_DATA_LASTBUFF (f),
+ XWINDOW (FRAME_LAST_NONMINIBUF_WINDOW (f))->buffer)));
+
+ gboolean menubar_was_visible = GTK_WIDGET_VISIBLE (FRAME_GTK_MENUBAR_WIDGET (f));
+ gboolean menubar_will_be_visible = menubar_was_visible;
+ gboolean menubar_visibility_changed;
+
+ if (menubar_contents_changed)
+ {
+ menubar_will_be_visible = set_frame_menubar (f, 0);
+ }
+
+ menubar_visibility_changed = menubar_was_visible != menubar_will_be_visible;
+
+ if (!menubar_visibility_changed)
+ {
+ return;
+ }
+
+ /* We hide and show the menubar's parent (which is actually the
+ GtkHandleBox)... this is to simplify the code that destroys old
+ menu items, etc. There is no easy way to get the child out of a
+ handle box, and I didn't want to add yet another stupid widget
+ slot to struct gtk_frame. */
+ if (menubar_will_be_visible)
+ {
+ gtk_widget_show_all (FRAME_GTK_MENUBAR_WIDGET (f)->parent);
+ }
+ else
+ {
+ gtk_widget_hide_all (FRAME_GTK_MENUBAR_WIDGET (f)->parent);
+ }
+
+ MARK_FRAME_SIZE_SLIPPED (f);
+}
+
+static void
+gtk_update_frame_menubars (struct frame *f)
+{
+ GtkWidget *menubar = NULL;
+
+ assert (FRAME_GTK_P (f));
+
+ menubar = FRAME_GTK_MENUBAR_WIDGET (f);
+
+ if ((GTK_MENU_SHELL (menubar)->active) ||
+ (GTK_MENU_SHELL (menubar)->have_grab) ||
+ (GTK_MENU_SHELL (menubar)->have_xgrab))
+ {
+ return;
+ }
+
+ gtk_update_frame_menubar_internal (f);
+}
+
+static void
+gtk_free_frame_menubars (struct frame *f)
+{
+ GtkWidget *menubar_widget;
+
+ assert (FRAME_GTK_P (f));
+
+ menubar_widget = FRAME_GTK_MENUBAR_WIDGET (f);
+ if (menubar_widget)
+ {
+ gtk_widget_destroy (menubar_widget);
+ }
+}
+
+static void popdown_menu_cb (GtkMenuShell *menu, gpointer user_data)
+{
+ popup_up_p--;
+}
+
+static void
+gtk_popup_menu (Lisp_Object menu_desc, Lisp_Object event)
+{
+ struct Lisp_Event *eev = NULL;
+ GtkWidget *widget = NULL;
+ GtkWidget *menu = NULL;
+ gpointer id = NULL;
+
+ /* Do basic error checking first... */
+ if (SYMBOLP (menu_desc))
+ menu_desc = Fsymbol_value (menu_desc);
+ CHECK_CONS (menu_desc);
+ CHECK_STRING (XCAR (menu_desc));
+
+ /* Now lets get down to business... */
+ widget = menu_descriptor_to_widget (menu_desc, NULL);
+ menu = GTK_MENU_ITEM (widget)->submenu;
+ gtk_widget_set_name (widget, "XEmacsPopupMenu");
+ id = gtk_object_get_data (GTK_OBJECT (widget), XEMACS_MENU_GUIID_TAG);
+
+ __activate_menu (GTK_MENU_ITEM (widget), id);
+
+ if (!NILP (event))
+ {
+ CHECK_LIVE_EVENT (event);
+ eev = XEVENT (event);
+
+ if ((eev->event_type != button_press_event) &&
+ (eev->event_type != button_release_event))
+ wrong_type_argument (Qmouse_event_p, event);
+ }
+ else if (!NILP (Vthis_command_keys))
+ {
+ /* If an event wasn't passed, use the last event of the event
+ sequence currently being executed, if that event is a mouse
+ event. */
+ eev = XEVENT (Vthis_command_keys);
+ if ((eev->event_type != button_press_event) &&
+ (eev->event_type != button_release_event))
+ eev = NULL;
+ }
+
+ gtk_widget_show (menu);
+
+ popup_up_p++;
+ gtk_signal_connect (GTK_OBJECT (menu), "deactivate",
+ GTK_SIGNAL_FUNC (popdown_menu_cb), NULL);
+
+ gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
+ eev ? eev->event.button.button : 0,
+ eev ? eev->timestamp : GDK_CURRENT_TIME);
+}
+
+DEFUN ("gtk-build-xemacs-menu", Fgtk_build_xemacs_menu, 1, 1, 0, /*
+Returns a GTK menu item from MENU, a standard XEmacs menu description.
+See the definition of `popup-menu' for more information on the format of MENU.
+*/
+ (menu))
+{
+ GtkWidget *w = menu_descriptor_to_widget (menu, NULL);
+
+ return (w ? build_gtk_object (GTK_OBJECT (w)) : Qnil);
+}
+
+\f
+void
+syms_of_menubar_gtk (void)
+{
+ DEFSUBR (Fgtk_build_xemacs_menu);
+}
+
+void
+console_type_create_menubar_gtk (void)
+{
+ CONSOLE_HAS_METHOD (gtk, update_frame_menubars);
+ CONSOLE_HAS_METHOD (gtk, free_frame_menubars);
+ CONSOLE_HAS_METHOD (gtk, popup_menu);
+}
+
+void reinit_vars_of_menubar_gtk (void)
+{
+ dockable_menubar = 1;
+#ifdef TEAR_OFF_MENUS
+ tear_off_menus = 1;
+#endif
+}
+
+void
+vars_of_menubar_gtk (void)
+{
+ Fprovide (intern ("gtk-menubars"));
+ DEFVAR_BOOL ("menubar-dockable-p", &dockable_menubar /*
+If non-nil, the frame menubar can be detached into its own top-level window.
+*/ );
+#ifdef TEAR_OFF_MENUS
+ DEFVAR_BOOL ("menubar-tearable-p", &tear_off_menus /*
+If non-nil, menus can be torn off into their own top-level windows.
+*/ );
+#endif
+ reinit_vars_of_menubar_gtk ();
+}