Sweden-Number/dlls/x11drv/xrandr.c

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/*
* Wine X11drv Xrandr interface
*
* Copyright 2003 Alexander James Pasadyn
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <string.h>
#include <stdio.h>
#ifdef HAVE_LIBXRANDR
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#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>
#include "x11drv.h"
#include "x11ddraw.h"
#include "xrandr.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "ddrawi.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(xrandr);
extern int usexrandr;
static int xrandr_event, xrandr_error, xrandr_major, xrandr_minor;
static LPDDHALMODEINFO dd_modes;
static unsigned int dd_mode_count;
static XRRScreenSize *real_xrandr_sizes;
static short **real_xrandr_rates;
static unsigned int real_xrandr_sizes_count;
static int *real_xrandr_rates_count;
static unsigned int real_xrandr_modes_count;
static int XRandRErrorHandler(Display *dpy, XErrorEvent *event, void *arg)
{
return 1;
}
static Bool in_desktop_mode;
/* create the mode structures */
static void make_modes(void)
{
int i, j;
for (i=0; i<real_xrandr_sizes_count; i++)
{
if (real_xrandr_rates_count[i])
{
for (j=0; j < real_xrandr_rates_count[i]; j++)
{
X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
real_xrandr_sizes[i].height,
0, real_xrandr_rates[i][j]);
}
}
else
{
X11DRV_Settings_AddOneMode(real_xrandr_sizes[i].width,
real_xrandr_sizes[i].height,
0, 0);
}
}
}
static int X11DRV_XRandR_GetCurrentMode(void)
{
SizeID size;
Rotation rot;
Window root;
XRRScreenConfiguration *sc;
short rate;
int i;
int res = -1;
wine_tsx11_lock();
root = RootWindow (gdi_display, DefaultScreen(gdi_display));
sc = XRRGetScreenInfo (gdi_display, root);
size = XRRConfigCurrentConfiguration (sc, &rot);
rate = XRRConfigCurrentRate (sc);
for (i = 0; i < real_xrandr_modes_count; i++)
{
if ( (dd_modes[i].dwWidth == real_xrandr_sizes[size].width ) &&
(dd_modes[i].dwHeight == real_xrandr_sizes[size].height) &&
(dd_modes[i].wRefreshRate == rate ) )
{
res = i;
}
}
XRRFreeScreenConfigInfo(sc);
wine_tsx11_unlock();
if (res == -1)
{
ERR("In unknown mode, returning default\n");
res = 0;
}
return res;
}
static void X11DRV_XRandR_SetCurrentMode(int mode)
{
SizeID size;
Rotation rot;
Window root;
XRRScreenConfiguration *sc;
Status stat = RRSetConfigSuccess;
short rate;
int i, j;
DWORD dwBpp = screen_depth;
if (dwBpp == 24) dwBpp = 32;
wine_tsx11_lock();
root = RootWindow (gdi_display, DefaultScreen(gdi_display));
sc = XRRGetScreenInfo (gdi_display, root);
size = XRRConfigCurrentConfiguration (sc, &rot);
if (dwBpp != dd_modes[mode].dwBPP)
{
FIXME("Cannot change screen BPP from %ld to %ld\n", dwBpp, dd_modes[mode].dwBPP);
}
mode = mode%real_xrandr_modes_count;
for (i = 0; i < real_xrandr_sizes_count; i++)
{
if ( (dd_modes[mode].dwWidth == real_xrandr_sizes[i].width ) &&
(dd_modes[mode].dwHeight == real_xrandr_sizes[i].height) )
{
size = i;
if (real_xrandr_rates_count[i])
{
for (j=0; j < real_xrandr_rates_count[i]; j++)
{
if (dd_modes[mode].wRefreshRate == real_xrandr_rates[i][j])
{
rate = real_xrandr_rates[i][j];
TRACE("Resizing X display to %ldx%ld @%d Hz\n",
dd_modes[mode].dwWidth, dd_modes[mode].dwHeight, rate);
stat = XRRSetScreenConfigAndRate (gdi_display, sc, root,
size, rot, rate, CurrentTime);
FIXME("Need to update SYSMETRICS after resizing display (now %ldx%ld)\n",
dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
}
}
}
else
{
TRACE("Resizing X display to %ldx%ld\n",
dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
stat = XRRSetScreenConfig (gdi_display, sc, root,
size, rot, CurrentTime);
FIXME("Need to update SYSMETRICS after resizing display (now %ldx%ld)\n",
dd_modes[mode].dwWidth, dd_modes[mode].dwHeight);
}
}
}
if (stat != RRSetConfigSuccess)
{
ERR("Resolution change not successful -- perhaps display has chaned?");
}
XRRFreeScreenConfigInfo(sc);
wine_tsx11_unlock();
}
void X11DRV_XRandR_Init(void)
{
Bool ok;
int nmodes = 0;
int i;
in_desktop_mode = (root_window != DefaultRootWindow(gdi_display));
if (xrandr_major) return; /* already initialized? */
if (!usexrandr) return; /* disabled in config */
if (in_desktop_mode) return; /* not compatible with desktop mode */
/* see if Xrandr is available */
wine_tsx11_lock();
ok = XRRQueryExtension(gdi_display, &xrandr_event, &xrandr_error);
if (ok)
{
X11DRV_expect_error(gdi_display, XRandRErrorHandler, NULL);
ok = XRRQueryVersion(gdi_display, &xrandr_major, &xrandr_minor);
if (X11DRV_check_error()) ok = FALSE;
}
if (ok)
{
TRACE("Found XRandR - major: %d, minor: %d\n", xrandr_major, xrandr_minor);
/* retrieve modes */
real_xrandr_sizes = XRRSizes(gdi_display, DefaultScreen(gdi_display), &real_xrandr_sizes_count);
ok = (real_xrandr_sizes_count>0);
}
if (ok)
{
real_xrandr_rates = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(short *) * real_xrandr_sizes_count);
real_xrandr_rates_count = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(int) * real_xrandr_sizes_count);
for (i=0; i < real_xrandr_sizes_count; i++)
{
real_xrandr_rates[i] = XRRRates (gdi_display, DefaultScreen(gdi_display), i, &(real_xrandr_rates_count[i]));
if (real_xrandr_rates_count[i])
{
nmodes += real_xrandr_rates_count[i];
}
else
{
nmodes++;
}
}
}
wine_tsx11_unlock();
if (!ok) return;
real_xrandr_modes_count = nmodes;
TRACE("XRandR modes: count=%d\n", nmodes);
dd_modes = X11DRV_Settings_SetHandlers("XRandR",
X11DRV_XRandR_GetCurrentMode,
X11DRV_XRandR_SetCurrentMode,
nmodes, 1);
make_modes();
X11DRV_Settings_AddDepthModes();
dd_mode_count = X11DRV_Settings_GetModeCount();
X11DRV_Settings_SetDefaultMode(0);
TRACE("Available DD modes: count=%d\n", dd_mode_count);
TRACE("Enabling XRandR\n");
}
void X11DRV_XRandR_Cleanup(void)
{
if (real_xrandr_rates)
{
HeapFree(GetProcessHeap(), 0, real_xrandr_rates);
real_xrandr_rates = NULL;
}
if (real_xrandr_rates_count)
{
HeapFree(GetProcessHeap(), 0, real_xrandr_rates_count);
real_xrandr_rates_count = NULL;
}
}
#endif /* HAVE_LIBXRANDR */