PC World Komputer 1999 March/PCWK3A99.iso/Linux/DDD331/DDD-3_1_.000/DDD-3_1_/ddd-3.1.1/ddd/wm.C

C/C++ Source or Header | 1998-04-29 | 4.8 KB | 200 lines

// $Id: wm.C,v 1.20 1998/04/29 17:44:53 zeller Exp $ -*- C++ -*-
// DDD window manager functions

// Copyright (C) 1996 Technische Universitaet Braunschweig, Germany.
// Written by Andreas Zeller <[e-mail]>.
//
// This file is part of DDD.
//
// DDD 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 of the License, or (at your option) any later version.
//
// DDD 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 DDD -- see the file COPYING.
// If not, write to the Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// DDD is the data display debugger.
// For details, see the DDD World-Wide-Web page,
// `http://www.cs.tu-bs.de/softech/ddd/',
// or send a mail to the DDD developers <[e-mail]>.

char wm_rcsid[] =
    "$Id: wm.C,v 1.20 1998/04/29 17:44:53 zeller Exp $";

#ifdef __GNUG__
#pragma implementation
#endif

#include "wm.h"

#include "Command.h"
#include "ddd.h"
#include "string-fun.h"
#include "findParent.h"

#include <Xm/Xm.h>
#include <Xm/DialogS.h>
#include <X11/Xutil.h>

// ANSI C++ doesn't like the XtIsRealized() macro
#ifdef XtIsRealized
#undef XtIsRealized
#endif

//-----------------------------------------------------------------------------
// Window Manager Functions
//-----------------------------------------------------------------------------

void wm_set_icon(Display *display, Window shell, Pixmap icon, Pixmap mask)
{
    XWMHints *wm_hints = XAllocWMHints();

    wm_hints->flags       = IconPixmapHint | IconMaskHint;
    wm_hints->icon_pixmap = icon;
    wm_hints->icon_mask   = mask;

    XSetWMHints(display, shell, wm_hints);

    XFree((void *)wm_hints);
}

void wm_set_icon(Widget shell, Pixmap icon, Pixmap mask)
{
    if (XtIsWMShell(shell))
    {
    XtVaSetValues(shell,
              XmNiconPixmap, icon,
              XmNiconMask, mask,
              NULL);
    }

#if 0                // This should be done by the shell.
    wm_set_icon(XtDisplay(shell), XtWindow(shell), icon, mask);
#endif
}

void wm_set_name(Display *display, Window shell_window,
         string title, string icon)
{
    strip_space(title);
    strip_space(icon);

    if (title != "")
    XStoreName(display, shell_window, (String)title);
    if (icon != "")
    XSetIconName(display, shell_window, (String)icon);
}

void wm_set_name(Widget shell, string title, string icon)
{
    strip_space(title);
    strip_space(icon);

    XtVaSetValues(shell,
          XmNiconName, (char *)icon,
          XmNtitle,    (char *)title,
          NULL);

#if 0                // This should be done by the shell.
    wm_set_name(XtDisplay(shell), XtWindow(shell), title, icon);
#endif
}

// Wait until W is mapped
void wait_until_mapped(Widget w, Widget shell)
{
    XSync(XtDisplay(w), false);
    XmUpdateDisplay(w);

    if (shell == 0)
    shell = find_shell(w);

    if (XtIsRealized(w) && XtIsRealized(shell))
    {
      XWindowAttributes attr;
    while (XGetWindowAttributes(XtDisplay(w), XtWindow(w), &attr)
           && attr.map_state != IsViewable)
    {
        if (XGetWindowAttributes(XtDisplay(shell), XtWindow(shell), &attr)
        && attr.map_state != IsViewable)
        break;        // Shell is withdrawn or iconic

        // Wait for exposure event
        XEvent event;
        XtAppNextEvent(XtWidgetToApplicationContext(w), &event);
        XtDispatchEvent(&event);
    }
    }

    XSync(XtDisplay(w), false);
    XmUpdateDisplay(w);
}

void raise_shell(Widget w)
{
    if (w == 0 || !XtIsRealized(w))
    return;

    // Place current shell on top
    Widget shell = findShellParent(w);
    if (shell != 0 && XtIsRealized(shell))
    {
    XRaiseWindow(XtDisplay(w), XtWindow(shell));

#if 0
    wait_until_mapped(w);

    // Get focus
    XSetInputFocus(XtDisplay(w), XtWindow(w), RevertToParent,
               XtLastTimestampProcessed(XtDisplay(w)));
#endif

    // Try this one
    XmProcessTraversal(w, XmTRAVERSE_CURRENT);
    }
}

void manage_and_raise(Widget w)
{
    if (w != 0)
    {
    // If top-level shell is withdrawn or iconic, realize dialog as icon
    bool iconic = false;
    Widget shell = find_shell(w);
    if (shell != 0)
    {
        XWindowAttributes attr;
        iconic = (!XtIsRealized(shell)
              || XGetWindowAttributes(XtDisplay(shell),
                          XtWindow(shell), &attr)
              && attr.map_state != IsViewable);

        if (iconic)
        XtVaSetValues(w, XmNinitialState, IconicState, NULL);
    }

    XtManageChild(w);

    shell = w;
    while (shell != 0 && !XtIsShell(shell))
        shell = XtParent(shell);

    if (shell != 0 && !XmIsDialogShell(shell))
    {
        if (!XtIsRealized(shell))
        XtRealizeWidget(shell);
        XtPopup(shell, XtGrabNone);
    }

    raise_shell(w);
    }
}