1994-01-18 23:47:41 +00:00
|
|
|
|
/* The lwlib interface to "xlwmenu" menus.
|
|
|
|
|
Copyright (C) 1992 Lucid, Inc.
|
|
|
|
|
|
|
|
|
|
This file is part of the Lucid Widget Library.
|
|
|
|
|
|
|
|
|
|
The Lucid Widget Library 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 1, or (at your option)
|
|
|
|
|
any later version.
|
|
|
|
|
|
|
|
|
|
The Lucid Widget 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 General Public License for more details.
|
|
|
|
|
|
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
|
|
|
along with GNU Emacs; see the file COPYING. If not, write to
|
1996-01-15 09:18:04 +00:00
|
|
|
|
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
|
|
Boston, MA 02111-1307, USA. */
|
1994-01-18 23:47:41 +00:00
|
|
|
|
|
|
|
|
|
#include "lwlib-Xlw.h"
|
|
|
|
|
#include <X11/StringDefs.h>
|
|
|
|
|
#include <X11/IntrinsicP.h>
|
|
|
|
|
#include <X11/ObjectP.h>
|
|
|
|
|
#include <X11/CompositeP.h>
|
|
|
|
|
#include <X11/Shell.h>
|
|
|
|
|
#include "xlwmenu.h"
|
|
|
|
|
|
|
|
|
|
/* Menu callbacks */
|
|
|
|
|
static void
|
1994-01-31 05:35:36 +00:00
|
|
|
|
pre_hook (w, client_data, call_data)
|
|
|
|
|
Widget w;
|
|
|
|
|
XtPointer client_data;
|
|
|
|
|
XtPointer call_data;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
|
|
|
|
widget_instance* instance = (widget_instance*)client_data;
|
|
|
|
|
widget_value* val;
|
|
|
|
|
|
|
|
|
|
if (w->core.being_destroyed)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
val = lw_get_widget_value_for_widget (instance, w);
|
|
|
|
|
if (instance->info->pre_activate_cb)
|
|
|
|
|
instance->info->pre_activate_cb (w, instance->info->id,
|
|
|
|
|
val ? val->call_data : NULL);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
1994-01-31 05:35:36 +00:00
|
|
|
|
pick_hook (w, client_data, call_data)
|
|
|
|
|
Widget w;
|
|
|
|
|
XtPointer client_data;
|
|
|
|
|
XtPointer call_data;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
|
|
|
|
widget_instance* instance = (widget_instance*)client_data;
|
|
|
|
|
widget_value* contents_val = (widget_value*)call_data;
|
|
|
|
|
widget_value* widget_val;
|
|
|
|
|
XtPointer widget_arg;
|
|
|
|
|
|
|
|
|
|
if (w->core.being_destroyed)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
if (instance->info->selection_cb && contents_val && contents_val->enabled
|
|
|
|
|
&& !contents_val->contents)
|
|
|
|
|
instance->info->selection_cb (w, instance->info->id,
|
|
|
|
|
contents_val->call_data);
|
|
|
|
|
|
|
|
|
|
widget_val = lw_get_widget_value_for_widget (instance, w);
|
|
|
|
|
widget_arg = widget_val ? widget_val->call_data : NULL;
|
|
|
|
|
if (instance->info->post_activate_cb)
|
|
|
|
|
instance->info->post_activate_cb (w, instance->info->id, widget_arg);
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* creation functions */
|
1994-02-18 13:24:41 +00:00
|
|
|
|
|
1994-01-18 23:47:41 +00:00
|
|
|
|
static Widget
|
1994-01-31 05:35:36 +00:00
|
|
|
|
xlw_create_menubar (instance)
|
|
|
|
|
widget_instance* instance;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
1994-02-15 13:54:14 +00:00
|
|
|
|
Widget widget;
|
1994-09-16 18:39:54 +00:00
|
|
|
|
Arg al[5];
|
1994-02-23 08:39:25 +00:00
|
|
|
|
int ac = 0;
|
1994-02-15 13:54:14 +00:00
|
|
|
|
|
1994-02-23 08:39:25 +00:00
|
|
|
|
XtSetArg (al[ac], XtNmenu, instance->info->val); ac++;
|
1994-09-16 18:39:54 +00:00
|
|
|
|
#ifdef emacs
|
|
|
|
|
XtSetArg (al[ac], XtNshowGrip, 0); ac++;
|
|
|
|
|
XtSetArg (al[ac], XtNresizeToPreferred, 1); ac++;
|
|
|
|
|
XtSetArg (al[ac], XtNallowResize, 1); ac++;
|
|
|
|
|
#endif
|
1994-02-15 13:54:14 +00:00
|
|
|
|
|
1994-02-23 08:39:25 +00:00
|
|
|
|
/* This used to use XtVaCreateWidget, but an old Xt version
|
|
|
|
|
has a bug in XtVaCreateWidget that frees instance->info->name. */
|
1994-02-19 20:53:26 +00:00
|
|
|
|
widget
|
1994-02-23 08:39:25 +00:00
|
|
|
|
= XtCreateWidget (instance->info->name, xlwMenuWidgetClass,
|
|
|
|
|
instance->parent, al, ac);
|
1994-02-15 13:59:18 +00:00
|
|
|
|
|
1994-01-18 23:47:41 +00:00
|
|
|
|
XtAddCallback (widget, XtNopen, pre_hook, (XtPointer)instance);
|
|
|
|
|
XtAddCallback (widget, XtNselect, pick_hook, (XtPointer)instance);
|
|
|
|
|
return widget;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static Widget
|
1994-01-31 05:35:36 +00:00
|
|
|
|
xlw_create_popup_menu (instance)
|
|
|
|
|
widget_instance* instance;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
1994-02-19 20:53:26 +00:00
|
|
|
|
Widget popup_shell
|
|
|
|
|
= XtCreatePopupShell (instance->info->name, overrideShellWidgetClass,
|
|
|
|
|
instance->parent, NULL, 0);
|
1994-01-18 23:47:41 +00:00
|
|
|
|
|
1994-02-15 13:59:18 +00:00
|
|
|
|
Widget widget;
|
1994-02-23 08:39:25 +00:00
|
|
|
|
Arg al[2];
|
|
|
|
|
int ac = 0;
|
1994-02-15 13:59:18 +00:00
|
|
|
|
|
1994-02-23 08:39:25 +00:00
|
|
|
|
XtSetArg (al[ac], XtNmenu, instance->info->val); ac++;
|
|
|
|
|
XtSetArg (al[ac], XtNhorizontal, False); ac++;
|
1994-02-15 13:59:18 +00:00
|
|
|
|
|
1994-02-23 08:39:25 +00:00
|
|
|
|
/* This used to use XtVaManagedCreateWidget, but an old Xt version
|
|
|
|
|
has a bug in XtVaManagedCreateWidget that frees instance->info->name. */
|
1994-02-19 20:53:26 +00:00
|
|
|
|
widget
|
1994-02-23 08:39:25 +00:00
|
|
|
|
= XtCreateManagedWidget ("popup", xlwMenuWidgetClass,
|
|
|
|
|
popup_shell, al, ac);
|
1994-02-15 13:59:18 +00:00
|
|
|
|
|
1994-01-18 23:47:41 +00:00
|
|
|
|
XtAddCallback (widget, XtNselect, pick_hook, (XtPointer)instance);
|
|
|
|
|
|
|
|
|
|
return popup_shell;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
widget_creation_entry
|
|
|
|
|
xlw_creation_table [] =
|
|
|
|
|
{
|
|
|
|
|
{"menubar", xlw_create_menubar},
|
|
|
|
|
{"popup", xlw_create_popup_menu},
|
|
|
|
|
{NULL, NULL}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
Boolean
|
1994-01-31 05:35:36 +00:00
|
|
|
|
lw_lucid_widget_p (widget)
|
|
|
|
|
Widget widget;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
|
|
|
|
WidgetClass the_class = XtClass (widget);
|
1994-02-19 20:53:26 +00:00
|
|
|
|
|
1994-01-18 23:47:41 +00:00
|
|
|
|
if (the_class == xlwMenuWidgetClass)
|
|
|
|
|
return True;
|
|
|
|
|
if (the_class == overrideShellWidgetClass)
|
1994-02-19 20:53:26 +00:00
|
|
|
|
return (XtClass (((CompositeWidget)widget)->composite.children [0])
|
|
|
|
|
== xlwMenuWidgetClass);
|
1994-01-18 23:47:41 +00:00
|
|
|
|
return False;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
1994-01-31 05:35:36 +00:00
|
|
|
|
xlw_update_one_widget (instance, widget, val, deep_p)
|
|
|
|
|
widget_instance* instance;
|
|
|
|
|
Widget widget;
|
|
|
|
|
widget_value* val;
|
|
|
|
|
Boolean deep_p;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
|
|
|
|
XlwMenuWidget mw;
|
1994-02-23 08:39:25 +00:00
|
|
|
|
Arg al[1];
|
1994-01-18 23:47:41 +00:00
|
|
|
|
|
|
|
|
|
if (XtIsShell (widget))
|
|
|
|
|
mw = (XlwMenuWidget)((CompositeWidget)widget)->composite.children [0];
|
|
|
|
|
else
|
|
|
|
|
mw = (XlwMenuWidget)widget;
|
1994-02-23 08:39:25 +00:00
|
|
|
|
|
|
|
|
|
/* This used to use XtVaSetValues, but some old Xt versions
|
|
|
|
|
that have a bug in XtVaCreateWidget might have it here too. */
|
|
|
|
|
XtSetArg (al[0], XtNmenu, instance->info->val);
|
|
|
|
|
|
|
|
|
|
XtSetValues (widget, al, 1);
|
1994-01-18 23:47:41 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
1994-01-31 05:35:36 +00:00
|
|
|
|
xlw_update_one_value (instance, widget, val)
|
|
|
|
|
widget_instance* instance;
|
|
|
|
|
Widget widget;
|
|
|
|
|
widget_value* val;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
1994-01-31 05:35:36 +00:00
|
|
|
|
xlw_pop_instance (instance, up)
|
|
|
|
|
widget_instance* instance;
|
|
|
|
|
Boolean up;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
1995-08-02 07:13:45 +00:00
|
|
|
|
xlw_popup_menu (widget, event)
|
1994-01-31 05:35:36 +00:00
|
|
|
|
Widget widget;
|
1995-08-02 07:13:45 +00:00
|
|
|
|
XEvent *event;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
|
|
|
|
XButtonPressedEvent dummy;
|
|
|
|
|
XlwMenuWidget mw;
|
|
|
|
|
|
|
|
|
|
if (!XtIsShell (widget))
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
mw = (XlwMenuWidget)((CompositeWidget)widget)->composite.children [0];
|
|
|
|
|
|
1995-08-02 07:13:45 +00:00
|
|
|
|
if (event)
|
|
|
|
|
pop_up_menu (mw, event);
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
dummy.type = ButtonPress;
|
|
|
|
|
dummy.serial = 0;
|
|
|
|
|
dummy.send_event = 0;
|
|
|
|
|
dummy.display = XtDisplay (widget);
|
|
|
|
|
dummy.window = XtWindow (XtParent (widget));
|
|
|
|
|
dummy.time = CurrentTime;
|
|
|
|
|
dummy.button = 0;
|
|
|
|
|
XQueryPointer (dummy.display, dummy.window, &dummy.root,
|
|
|
|
|
&dummy.subwindow, &dummy.x_root, &dummy.y_root,
|
|
|
|
|
&dummy.x, &dummy.y, &dummy.state);
|
|
|
|
|
|
|
|
|
|
pop_up_menu (mw, &dummy);
|
|
|
|
|
}
|
1994-01-18 23:47:41 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Destruction of instances */
|
|
|
|
|
void
|
1994-01-31 05:35:36 +00:00
|
|
|
|
xlw_destroy_instance (instance)
|
|
|
|
|
widget_instance* instance;
|
1994-01-18 23:47:41 +00:00
|
|
|
|
{
|
|
|
|
|
if (instance->widget)
|
|
|
|
|
XtDestroyWidget (instance->widget);
|
|
|
|
|
}
|
|
|
|
|
|