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- // $Id: findWindow.C,v 1.3 1998/11/12 16:15:08 zeller Exp $ -*- C++ -*-
- // Find a window with given title, name, or class
-
- // Copyright (C) 1998 Technische Universitaet Braunschweig, Germany.
- // Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
- //
- // 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 <ddd@ips.cs.tu-bs.de>.
-
- char findWindow_rcsid[] =
- "$Id: findWindow.C,v 1.3 1998/11/12 16:15:08 zeller Exp $";
-
- #ifdef __GNUG__
- #pragma implementation
- #endif
-
- #include "findWindow.h"
-
- #include "XErrorB.h"
- #include "bool.h"
- #include <iostream.h>
-
- #ifndef LOG_FIND_WINDOWS
- #define LOG_FIND_WINDOWS 0
- #endif
-
- inline bool eq(String s1, String s2)
- {
- #if LOG_FIND_WINDOWS
- if (s1 != 0)
- cout << "Found " << s1 << "\n";
- #endif
-
- return s1 != 0 && s2 != 0 && strcmp(s1, s2) == 0;
- }
-
- bool windowMatches(Display *display, Window window,
- String title, String res_name, String res_class)
- {
- XErrorBlocker blocker(display);
-
- bool matches = false;
-
- char *window_title = 0;
- Status st = XFetchName(display, window, &window_title);
- if (st != 0)
- {
- if (eq(window_title, title))
- matches = true; // Title matches
- XFree(window_title);
- }
-
- if (matches)
- return matches;
-
- XClassHint class_hints;
- st = XGetClassHint(display, window, &class_hints);
- if (st != 0)
- {
- if (eq(class_hints.res_name, res_name))
- matches = true; // Name matches
-
- if (eq(class_hints.res_class, res_class))
- matches = true; // Class matches
-
- XFree(class_hints.res_name);
- XFree(class_hints.res_class);
- }
-
- return matches;
- }
-
- Window findWindow(Display *display, Window window,
- String title, String res_name, String res_class)
- {
- XErrorBlocker blocker(display);
-
- if (windowMatches(display, window, title, res_name, res_class))
- return window;
-
- Window root;
- Window parent;
- Window *children;
- unsigned int nchildren;
- Status st = XQueryTree(display, window,
- &root, &parent, &children, &nchildren);
- if (st != 0)
- {
- for (unsigned int i = 0; i < nchildren; i++)
- {
- Window win = findWindow(display, children[i],
- title, res_name, res_class);
- if (win != None)
- return win;
- }
-
- XFree(children);
- }
-
- return None;
- }
-