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Diffstat (limited to 'lwlib/lwlib-utils.c')
| -rw-r--r-- | lwlib/lwlib-utils.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/lwlib/lwlib-utils.c b/lwlib/lwlib-utils.c deleted file mode 100644 index c6899b57af7..00000000000 --- a/lwlib/lwlib-utils.c +++ /dev/null @@ -1,173 +0,0 @@ -/* Defines some widget utility functions. - 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 -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <memory.h> - -#include <X11/Xatom.h> -#include <X11/IntrinsicP.h> -#include <X11/ObjectP.h> -#include "lwlib-utils.h" - -/* Redisplay the contents of the widget, without first clearing it. */ -void -XtNoClearRefreshWidget (widget) - Widget widget; -{ - XEvent event; - - event.type = Expose; - event.xexpose.serial = 0; - event.xexpose.send_event = 0; - event.xexpose.display = XtDisplay (widget); - event.xexpose.window = XtWindow (widget); - event.xexpose.x = 0; - event.xexpose.y = 0; - event.xexpose.width = widget->core.width; - event.xexpose.height = widget->core.height; - event.xexpose.count = 0; - - (*widget->core.widget_class->core_class.expose) - (widget, &event, (Region)NULL); -} - - -/* - * Apply a function to all the subwidgets of a given widget recursively. -*/ -void -XtApplyToWidgets (w, proc, arg) - Widget w; - XtApplyToWidgetsProc proc; - XtPointer arg; -{ - if (XtIsComposite (w)) - { - CompositeWidget cw = (CompositeWidget) w; - /* We have to copy the children list before mapping over it, because - the procedure might add/delete elements, which would lose badly. - */ - int nkids = cw->composite.num_children; - Widget *kids = (Widget *) malloc (sizeof (Widget) * nkids); - int i; - memcpy (kids, cw->composite.children, sizeof (Widget) * nkids); - for (i = 0; i < nkids; i++) -/* This prevent us from using gadgets, why is it here? */ -/* if (XtIsWidget (kids [i])) */ - { - /* do the kiddies first in case we're destroying */ - XtApplyToWidgets (kids [i], proc, arg); - proc (kids [i], arg); - } - free (kids); - } -} - - -/* - * Apply a function to all the subwidgets of a given widget recursively. - * Stop as soon as the function returns non NULL and returns this as a value. - */ -void * -XtApplyUntilToWidgets (w, proc, arg) - Widget w; - XtApplyUntilToWidgetsProc proc; - XtPointer arg; -{ - void* result; - if (XtIsComposite (w)) - { - CompositeWidget cw = (CompositeWidget)w; - int i; - for (i = 0; i < cw->composite.num_children; i++) - if (XtIsWidget (cw->composite.children [i])){ - result = proc (cw->composite.children [i], arg); - if (result) - return result; - result = XtApplyUntilToWidgets (cw->composite.children [i], proc, - arg); - if (result) - return result; - } - } - return NULL; -} - - -/* - * Returns a copy of the list of all children of a composite widget - */ -Widget * -XtCompositeChildren (widget, number) - Widget widget; - unsigned int* number; -{ - CompositeWidget cw = (CompositeWidget)widget; - Widget* result; - int n; - int i; - - if (!XtIsComposite (widget)) - { - *number = 0; - return NULL; - } - n = cw->composite.num_children; - result = (Widget*)XtMalloc (n * sizeof (Widget)); - *number = n; - for (i = 0; i < n; i++) - result [i] = cw->composite.children [i]; - return result; -} - -Boolean -XtWidgetBeingDestroyedP (widget) - Widget widget; -{ - return widget->core.being_destroyed; -} - -void -XtSafelyDestroyWidget (widget) - Widget widget; -{ -#if 0 - - /* this requires IntrinsicI.h (actually, InitialI.h) */ - - XtAppContext app = XtWidgetToApplicationContext(widget); - - if (app->dispatch_level == 0) - { - app->dispatch_level = 1; - XtDestroyWidget (widget); - /* generates an event so that the event loop will be called */ - XChangeProperty (XtDisplay (widget), XtWindow (widget), - XA_STRING, XA_STRING, 32, PropModeAppend, NULL, 0); - app->dispatch_level = 0; - } - else - XtDestroyWidget (widget); - -#else - abort (); -#endif -} |