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/*
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Copyright (C) 2002-2009 Karl J. Runge <runge@karlrunge.com>
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All rights reserved.
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This file is part of x11vnc.
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x11vnc is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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x11vnc is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with x11vnc; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
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or see <http://www.gnu.org/licenses/>.
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In addition, as a special exception, Karl J. Runge
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gives permission to link the code of its release of x11vnc with the
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OpenSSL project's "OpenSSL" library (or with modified versions of it
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that use the same license as the "OpenSSL" library), and distribute
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the linked executables. You must obey the GNU General Public License
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in all respects for all of the code used other than "OpenSSL". If you
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modify this file, you may extend this exception to your version of the
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file, but you are not obligated to do so. If you do not wish to do
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so, delete this exception statement from your version.
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*/
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#ifndef _X11VNC_XRANDR_H
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#define _X11VNC_XRANDR_H
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/* -- xrandr.h -- */
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extern time_t last_subwin_trap;
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extern int subwin_trap_count;
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extern XErrorHandler old_getimage_handler;
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extern int xrandr_present;
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extern int xrandr_width;
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extern int xrandr_height;
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extern int xrandr_rotation;
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extern Time xrandr_timestamp;
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extern Time xrandr_cfg_time;
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extern void initialize_xrandr(void);
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extern int check_xrandr_event(char *msg);
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extern int known_xrandr_mode(char *s);
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#define XRANDR_SET_TRAP_RET(x,y) \
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if (subwin || xrandr) { \
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trapped_getimage_xerror = 0; \
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old_getimage_handler = XSetErrorHandler(trap_getimage_xerror); \
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if (check_xrandr_event(y)) { \
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trapped_getimage_xerror = 0; \
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XSetErrorHandler(old_getimage_handler); \
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X_UNLOCK; \
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return(x); \
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} \
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}
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#define XRANDR_CHK_TRAP_RET(x,y) \
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if (subwin || xrandr) { \
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if (trapped_getimage_xerror) { \
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if (subwin) { \
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static int last = 0; \
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subwin_trap_count++; \
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if (time(NULL) > last_subwin_trap + 60) { \
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rfbLog("trapped GetImage xerror" \
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" in SUBWIN mode. [%d]\n", \
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subwin_trap_count); \
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last_subwin_trap = time(NULL); \
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last = subwin_trap_count; \
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} \
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if (subwin_trap_count - last > 30) { \
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/* window probably iconified */ \
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usleep(1000*1000); \
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} \
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} else { \
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rfbLog("trapped GetImage xerror" \
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" in XRANDR mode.\n"); \
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} \
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trapped_getimage_xerror = 0; \
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XSetErrorHandler(old_getimage_handler); \
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XFlush_wr(dpy); \
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check_xrandr_event(y); \
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X_UNLOCK; \
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return(x); \
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} \
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}
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#endif /* _X11VNC_XRANDR_H */
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