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xenocara/xserver/hw/kdrive/ephyr/ephyr.c
matthieu 61a7d5427d Update to xserver 1.11.2
2011-11-05 13:32:40 +00:00

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/*
* Xephyr - A kdrive X server thats runs in a host X window.
* Authored by Matthew Allum <mallum@openedhand.com>
*
* Copyright © 2004 Nokia
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Nokia not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Nokia makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* NOKIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "ephyr.h"
#include "inputstr.h"
#include "scrnintstr.h"
#include "ephyrlog.h"
#ifdef XF86DRI
#include "ephyrdri.h"
#include "ephyrdriext.h"
#include "ephyrglxext.h"
#endif /* XF86DRI */
#include "xkbsrv.h"
extern int KdTsPhyScreen;
#ifdef GLXEXT
extern Bool noGlxVisualInit;
#endif
KdKeyboardInfo *ephyrKbd;
KdPointerInfo *ephyrMouse;
EphyrKeySyms ephyrKeySyms;
Bool ephyrNoDRI=FALSE ;
Bool ephyrNoXV=FALSE ;
static int mouseState = 0;
static Rotation ephyrRandr = RR_Rotate_0;
typedef struct _EphyrInputPrivate {
Bool enabled;
} EphyrKbdPrivate, EphyrPointerPrivate;
Bool EphyrWantGrayScale = 0;
Bool
ephyrInitialize (KdCardInfo *card, EphyrPriv *priv)
{
OsSignal(SIGUSR1, hostx_handle_signal);
priv->base = 0;
priv->bytes_per_line = 0;
return TRUE;
}
Bool
ephyrCardInit (KdCardInfo *card)
{
EphyrPriv *priv;
priv = (EphyrPriv *) malloc(sizeof (EphyrPriv));
if (!priv)
return FALSE;
if (!ephyrInitialize (card, priv))
{
free(priv);
return FALSE;
}
card->driver = priv;
return TRUE;
}
Bool
ephyrScreenInitialize (KdScreenInfo *screen, EphyrScrPriv *scrpriv)
{
int width = 640, height = 480;
CARD32 redMask, greenMask, blueMask;
if (hostx_want_screen_size(screen, &width, &height)
|| !screen->width || !screen->height)
{
screen->width = width;
screen->height = height;
}
if (EphyrWantGrayScale)
screen->fb.depth = 8;
if (screen->fb.depth && screen->fb.depth != hostx_get_depth())
{
if (screen->fb.depth < hostx_get_depth()
&& (screen->fb.depth == 24 || screen->fb.depth == 16
|| screen->fb.depth == 8))
{
hostx_set_server_depth(screen, screen->fb.depth);
}
else
ErrorF("\nXephyr: requested screen depth not supported, setting to match hosts.\n");
}
screen->fb.depth = hostx_get_server_depth(screen);
screen->rate = 72;
if (screen->fb.depth <= 8)
{
if (EphyrWantGrayScale)
screen->fb.visuals = ((1 << StaticGray) | (1 << GrayScale));
else
screen->fb.visuals = ((1 << StaticGray) |
(1 << GrayScale) |
(1 << StaticColor) |
(1 << PseudoColor) |
(1 << TrueColor) |
(1 << DirectColor));
screen->fb.redMask = 0x00;
screen->fb.greenMask = 0x00;
screen->fb.blueMask = 0x00;
screen->fb.depth = 8;
screen->fb.bitsPerPixel = 8;
}
else
{
screen->fb.visuals = (1 << TrueColor);
if (screen->fb.depth <= 15)
{
screen->fb.depth = 15;
screen->fb.bitsPerPixel = 16;
}
else if (screen->fb.depth <= 16)
{
screen->fb.depth = 16;
screen->fb.bitsPerPixel = 16;
}
else if (screen->fb.depth <= 24)
{
screen->fb.depth = 24;
screen->fb.bitsPerPixel = 32;
}
else if (screen->fb.depth <= 30)
{
screen->fb.depth = 30;
screen->fb.bitsPerPixel = 32;
}
else
{
ErrorF("\nXephyr: Unsupported screen depth %d\n",
screen->fb.depth);
return FALSE;
}
hostx_get_visual_masks (screen, &redMask, &greenMask, &blueMask);
screen->fb.redMask = (Pixel) redMask;
screen->fb.greenMask = (Pixel) greenMask;
screen->fb.blueMask = (Pixel) blueMask;
}
scrpriv->randr = screen->randr;
return ephyrMapFramebuffer (screen);
}
Bool
ephyrScreenInit (KdScreenInfo *screen)
{
EphyrScrPriv *scrpriv;
scrpriv = calloc(1, sizeof (EphyrScrPriv));
if (!scrpriv)
return FALSE;
screen->driver = scrpriv;
if (!ephyrScreenInitialize (screen, scrpriv))
{
screen->driver = 0;
free(scrpriv);
return FALSE;
}
return TRUE;
}
void*
ephyrWindowLinear (ScreenPtr pScreen,
CARD32 row,
CARD32 offset,
int mode,
CARD32 *size,
void *closure)
{
KdScreenPriv(pScreen);
EphyrPriv *priv = pScreenPriv->card->driver;
if (!pScreenPriv->enabled)
return 0;
*size = priv->bytes_per_line;
return priv->base + row * priv->bytes_per_line + offset;
}
/**
* Figure out display buffer size. If fakexa is enabled, allocate a larger
* buffer so that fakexa has space to put offscreen pixmaps.
*/
int
ephyrBufferHeight(KdScreenInfo *screen)
{
int buffer_height;
if (ephyrFuncs.initAccel == NULL)
buffer_height = screen->height;
else
buffer_height = 3 * screen->height;
return buffer_height;
}
Bool
ephyrMapFramebuffer (KdScreenInfo *screen)
{
EphyrScrPriv *scrpriv = screen->driver;
EphyrPriv *priv = screen->card->driver;
KdPointerMatrix m;
int buffer_height;
EPHYR_LOG("screen->width: %d, screen->height: %d index=%d",
screen->width, screen->height, screen->mynum);
/*
* Use the rotation last applied to ourselves (in the Xephyr case the fb
* coordinate system moves independently of the pointer coordiante system).
*/
KdComputePointerMatrix (&m, ephyrRandr, screen->width, screen->height);
KdSetPointerMatrix (&m);
priv->bytes_per_line = ((screen->width * screen->fb.bitsPerPixel + 31) >> 5) << 2;
buffer_height = ephyrBufferHeight(screen);
priv->base = hostx_screen_init (screen, screen->width, screen->height, buffer_height);
if ((scrpriv->randr & RR_Rotate_0) && !(scrpriv->randr & RR_Reflect_All))
{
scrpriv->shadow = FALSE;
screen->fb.byteStride = priv->bytes_per_line;
screen->fb.pixelStride = screen->width;
screen->fb.frameBuffer = (CARD8 *) (priv->base);
}
else
{
/* Rotated/Reflected so we need to use shadow fb */
scrpriv->shadow = TRUE;
EPHYR_LOG("allocing shadow");
KdShadowFbAlloc (screen,
scrpriv->randr & (RR_Rotate_90|RR_Rotate_270));
}
return TRUE;
}
void
ephyrSetScreenSizes (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
if (scrpriv->randr & (RR_Rotate_0|RR_Rotate_180))
{
pScreen->width = screen->width;
pScreen->height = screen->height;
pScreen->mmWidth = screen->width_mm;
pScreen->mmHeight = screen->height_mm;
}
else
{
pScreen->width = screen->height;
pScreen->height = screen->width;
pScreen->mmWidth = screen->height_mm;
pScreen->mmHeight = screen->width_mm;
}
}
Bool
ephyrUnmapFramebuffer (KdScreenInfo *screen)
{
EphyrScrPriv *scrpriv = screen->driver;
if (scrpriv->shadow)
KdShadowFbFree (screen);
/* Note, priv->base will get freed when XImage recreated */
return TRUE;
}
void
ephyrShadowUpdate (ScreenPtr pScreen, shadowBufPtr pBuf)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EPHYR_LOG("slow paint");
/* FIXME: Slow Rotated/Reflected updates could be much
* much faster efficiently updating via tranforming
* pBuf->pDamage regions
*/
shadowUpdateRotatePacked(pScreen, pBuf);
hostx_paint_rect(screen, 0,0,0,0, screen->width, screen->height);
}
static void
ephyrInternalDamageRedisplay (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
RegionPtr pRegion;
if (!scrpriv || !scrpriv->pDamage)
return;
pRegion = DamageRegion (scrpriv->pDamage);
if (RegionNotEmpty(pRegion))
{
int nbox;
BoxPtr pbox;
nbox = RegionNumRects (pRegion);
pbox = RegionRects (pRegion);
while (nbox--)
{
hostx_paint_rect(screen,
pbox->x1, pbox->y1,
pbox->x1, pbox->y1,
pbox->x2 - pbox->x1,
pbox->y2 - pbox->y1);
pbox++;
}
DamageEmpty (scrpriv->pDamage);
}
}
static void
ephyrInternalDamageBlockHandler (pointer data,
OSTimePtr pTimeout,
pointer pRead)
{
ScreenPtr pScreen = (ScreenPtr) data;
ephyrInternalDamageRedisplay (pScreen);
}
static void
ephyrInternalDamageWakeupHandler (pointer data, int i, pointer LastSelectMask)
{
/* FIXME: Not needed ? */
}
Bool
ephyrSetInternalDamage (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
PixmapPtr pPixmap = NULL;
scrpriv->pDamage = DamageCreate ((DamageReportFunc) 0,
(DamageDestroyFunc) 0,
DamageReportNone,
TRUE,
pScreen,
pScreen);
if (!RegisterBlockAndWakeupHandlers (ephyrInternalDamageBlockHandler,
ephyrInternalDamageWakeupHandler,
(pointer) pScreen))
return FALSE;
pPixmap = (*pScreen->GetScreenPixmap) (pScreen);
DamageRegister (&pPixmap->drawable, scrpriv->pDamage);
return TRUE;
}
void
ephyrUnsetInternalDamage (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
PixmapPtr pPixmap = NULL;
pPixmap = (*pScreen->GetScreenPixmap) (pScreen);
DamageUnregister (&pPixmap->drawable, scrpriv->pDamage);
DamageDestroy (scrpriv->pDamage);
RemoveBlockAndWakeupHandlers (ephyrInternalDamageBlockHandler,
ephyrInternalDamageWakeupHandler,
(pointer) pScreen);
}
#ifdef RANDR
Bool
ephyrRandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
RRScreenSizePtr pSize;
Rotation randr;
int n = 0;
struct { int width, height; } sizes[] =
{
{ 1600, 1200 },
{ 1400, 1050 },
{ 1280, 960 },
{ 1280, 1024 },
{ 1152, 864 },
{ 1024, 768 },
{ 832, 624 },
{ 800, 600 },
{ 720, 400 },
{ 480, 640 },
{ 640, 480 },
{ 640, 400 },
{ 320, 240 },
{ 240, 320 },
{ 160, 160 },
{ 0, 0 }
};
EPHYR_LOG("mark");
*rotations = RR_Rotate_All|RR_Reflect_All;
if (!hostx_want_preexisting_window (screen)
&& !hostx_want_fullscreen ()) /* only if no -parent switch */
{
while (sizes[n].width != 0 && sizes[n].height != 0)
{
RRRegisterSize (pScreen,
sizes[n].width,
sizes[n].height,
(sizes[n].width * screen->width_mm)/screen->width,
(sizes[n].height *screen->height_mm)/screen->height
);
n++;
}
}
pSize = RRRegisterSize (pScreen,
screen->width,
screen->height,
screen->width_mm,
screen->height_mm);
randr = KdSubRotation (scrpriv->randr, screen->randr);
RRSetCurrentConfig (pScreen, randr, 0, pSize);
return TRUE;
}
Bool
ephyrRandRSetConfig (ScreenPtr pScreen,
Rotation randr,
int rate,
RRScreenSizePtr pSize)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
Bool wasEnabled = pScreenPriv->enabled;
EphyrScrPriv oldscr;
int oldwidth, oldheight, oldmmwidth, oldmmheight;
Bool oldshadow;
int newwidth, newheight;
if (screen->randr & (RR_Rotate_0|RR_Rotate_180))
{
newwidth = pSize->width;
newheight = pSize->height;
}
else
{
newwidth = pSize->height;
newheight = pSize->width;
}
if (wasEnabled)
KdDisableScreen (pScreen);
oldscr = *scrpriv;
oldwidth = screen->width;
oldheight = screen->height;
oldmmwidth = pScreen->mmWidth;
oldmmheight = pScreen->mmHeight;
oldshadow = scrpriv->shadow;
/*
* Set new configuration
*/
/*
* We need to store the rotation value for pointer coords transformation;
* though initially the pointer and fb rotation are identical, when we map
* the fb, the screen will be reinitialized and return into an unrotated
* state (presumably the HW is taking care of the rotation of the fb), but the
* pointer still needs to be transformed.
*/
ephyrRandr = KdAddRotation (screen->randr, randr);
scrpriv->randr = ephyrRandr;
ephyrUnmapFramebuffer (screen);
screen->width = newwidth;
screen->height = newheight;
if (!ephyrMapFramebuffer (screen))
goto bail4;
/* FIXME below should go in own call */
if (oldshadow)
KdShadowUnset (screen->pScreen);
else
ephyrUnsetInternalDamage(screen->pScreen);
if (scrpriv->shadow)
{
if (!KdShadowSet (screen->pScreen,
scrpriv->randr,
ephyrShadowUpdate,
ephyrWindowLinear))
goto bail4;
}
else
{
/* Without shadow fb ( non rotated ) we need
* to use damage to efficiently update display
* via signal regions what to copy from 'fb'.
*/
if (!ephyrSetInternalDamage(screen->pScreen))
goto bail4;
}
ephyrSetScreenSizes (screen->pScreen);
/*
* Set frame buffer mapping
*/
(*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap (pScreen),
pScreen->width,
pScreen->height,
screen->fb.depth,
screen->fb.bitsPerPixel,
screen->fb.byteStride,
screen->fb.frameBuffer);
/* set the subpixel order */
KdSetSubpixelOrder (pScreen, scrpriv->randr);
if (wasEnabled)
KdEnableScreen (pScreen);
return TRUE;
bail4:
EPHYR_LOG("bailed");
ephyrUnmapFramebuffer (screen);
*scrpriv = oldscr;
(void) ephyrMapFramebuffer (screen);
pScreen->width = oldwidth;
pScreen->height = oldheight;
pScreen->mmWidth = oldmmwidth;
pScreen->mmHeight = oldmmheight;
if (wasEnabled)
KdEnableScreen (pScreen);
return FALSE;
}
Bool
ephyrRandRInit (ScreenPtr pScreen)
{
rrScrPrivPtr pScrPriv;
if (!RRScreenInit (pScreen))
return FALSE;
pScrPriv = rrGetScrPriv(pScreen);
pScrPriv->rrGetInfo = ephyrRandRGetInfo;
pScrPriv->rrSetConfig = ephyrRandRSetConfig;
return TRUE;
}
#endif
Bool
ephyrCreateColormap (ColormapPtr pmap)
{
return fbInitializeColormap (pmap);
}
Bool
ephyrInitScreen (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EPHYR_LOG ("pScreen->myNum:%d\n", pScreen->myNum) ;
hostx_set_screen_number (screen, pScreen->myNum);
hostx_set_win_title (screen, "(ctrl+shift grabs mouse and keyboard)") ;
pScreen->CreateColormap = ephyrCreateColormap;
#ifdef XV
if (!ephyrNoXV) {
if (!ephyrInitVideo (pScreen)) {
EPHYR_LOG_ERROR ("failed to initialize xvideo\n") ;
} else {
EPHYR_LOG ("initialized xvideo okay\n") ;
}
}
#endif /*XV*/
#ifdef XF86DRI
if (!ephyrNoDRI && !hostx_has_dri ()) {
EPHYR_LOG ("host x does not support DRI. Disabling DRI forwarding\n") ;
ephyrNoDRI = TRUE ;
#ifdef GLXEXT
noGlxVisualInit = FALSE ;
#endif
}
if (!ephyrNoDRI) {
ephyrDRIExtensionInit (pScreen) ;
ephyrHijackGLXExtension () ;
}
#endif
#ifdef GLXEXT
if (ephyrNoDRI) {
noGlxVisualInit = FALSE ;
}
#endif
return TRUE;
}
Bool
ephyrFinishInitScreen (ScreenPtr pScreen)
{
/* FIXME: Calling this even if not using shadow.
* Seems harmless enough. But may be safer elsewhere.
*/
if (!shadowSetup (pScreen))
return FALSE;
#ifdef RANDR
if (!ephyrRandRInit (pScreen))
return FALSE;
#endif
return TRUE;
}
Bool
ephyrCreateResources (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EphyrScrPriv *scrpriv = screen->driver;
EPHYR_LOG("mark pScreen=%p mynum=%d shadow=%d",
pScreen, pScreen->myNum, scrpriv->shadow);
if (scrpriv->shadow)
return KdShadowSet (pScreen,
scrpriv->randr,
ephyrShadowUpdate,
ephyrWindowLinear);
else
return ephyrSetInternalDamage(pScreen);
}
void
ephyrPreserve (KdCardInfo *card)
{
}
Bool
ephyrEnable (ScreenPtr pScreen)
{
return TRUE;
}
Bool
ephyrDPMS (ScreenPtr pScreen, int mode)
{
return TRUE;
}
void
ephyrDisable (ScreenPtr pScreen)
{
}
void
ephyrRestore (KdCardInfo *card)
{
}
void
ephyrScreenFini (KdScreenInfo *screen)
{
EphyrScrPriv *scrpriv = screen->driver;
if (scrpriv->shadow) {
KdShadowFbFree (screen);
}
free(screen->driver);
screen->driver = NULL;
}
/*
* Port of Mark McLoughlin's Xnest fix for focus in + modifier bug.
* See https://bugs.freedesktop.org/show_bug.cgi?id=3030
*/
void
ephyrUpdateModifierState(unsigned int state)
{
DeviceIntPtr pDev = inputInfo.keyboard;
KeyClassPtr keyc = pDev->key;
int i;
CARD8 mask;
int xkb_state;
if (!pDev)
return;
xkb_state = XkbStateFieldFromRec(&pDev->key->xkbInfo->state);
state = state & 0xff;
if (xkb_state == state)
return;
for (i = 0, mask = 1; i < 8; i++, mask <<= 1) {
int key;
/* Modifier is down, but shouldn't be
*/
if ((xkb_state & mask) && !(state & mask)) {
int count = keyc->modifierKeyCount[i];
for (key = 0; key < MAP_LENGTH; key++)
if (keyc->xkbInfo->desc->map->modmap[key] & mask) {
if (key_is_down(pDev, key, KEY_PROCESSED))
KdEnqueueKeyboardEvent (ephyrKbd, key, TRUE);
if (--count == 0)
break;
}
}
/* Modifier shoud be down, but isn't
*/
if (!(xkb_state & mask) && (state & mask))
for (key = 0; key < MAP_LENGTH; key++)
if (keyc->xkbInfo->desc->map->modmap[key] & mask) {
KdEnqueueKeyboardEvent (ephyrKbd, key, FALSE);
break;
}
}
}
static void
ephyrBlockSigio (void)
{
sigset_t set;
sigemptyset (&set);
sigaddset (&set, SIGIO);
sigprocmask (SIG_BLOCK, &set, 0);
}
static void
ephyrUnblockSigio (void)
{
sigset_t set;
sigemptyset (&set);
sigaddset (&set, SIGIO);
sigprocmask (SIG_UNBLOCK, &set, 0);
}
static Bool
ephyrCursorOffScreen(ScreenPtr *ppScreen, int *x, int *y)
{
return FALSE;
}
static void
ephyrCrossScreen (ScreenPtr pScreen, Bool entering)
{
}
int ephyrCurScreen; /*current event screen*/
static void
ephyrWarpCursor (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
{
ephyrBlockSigio ();
ephyrCurScreen = pScreen->myNum;
miPointerWarpCursor (inputInfo.pointer, pScreen, x, y);
ephyrUnblockSigio ();
}
miPointerScreenFuncRec ephyrPointerScreenFuncs =
{
ephyrCursorOffScreen,
ephyrCrossScreen,
ephyrWarpCursor,
NULL,
NULL
};
#ifdef XF86DRI
/**
* find if the remote window denoted by a_remote
* is paired with an internal Window within the Xephyr server.
* If the remove window is paired with an internal window, send an
* expose event to the client insterested in the internal window expose event.
*
* Pairing happens when a drawable inside Xephyr is associated with
* a GL surface in a DRI environment.
* Look at the function ProcXF86DRICreateDrawable in ephyrdriext.c to
* know a paired window is created.
*
* This is useful to make GL drawables (only windows for now) handle
* expose events and send those events to clients.
*/
static void
ephyrExposePairedWindow (int a_remote)
{
EphyrWindowPair *pair = NULL;
RegionRec reg;
ScreenPtr screen;
if (!findWindowPairFromRemote (a_remote, &pair)) {
EPHYR_LOG ("did not find a pair for this window\n");
return;
}
screen = pair->local->drawable.pScreen;
RegionNull(&reg);
RegionCopy(&reg, &pair->local->clipList);
screen->WindowExposures (pair->local, &reg, NullRegion);
RegionUninit(&reg);
}
#endif /* XF86DRI */
void
ephyrPoll(void)
{
EphyrHostXEvent ev;
while (hostx_get_event(&ev))
{
switch (ev.type)
{
case EPHYR_EV_MOUSE_MOTION:
if (!ephyrMouse ||
!((EphyrPointerPrivate *)ephyrMouse->driverPrivate)->enabled) {
EPHYR_LOG ("skipping mouse motion:%d\n", ephyrCurScreen) ;
continue;
}
{
if (ev.data.mouse_motion.screen >=0
&& (ephyrCurScreen != ev.data.mouse_motion.screen))
{
EPHYR_LOG ("warping mouse cursor. "
"cur_screen%d, motion_screen:%d\n",
ephyrCurScreen, ev.data.mouse_motion.screen) ;
if (ev.data.mouse_motion.screen >= 0)
{
ephyrWarpCursor
(inputInfo.pointer, screenInfo.screens[ev.data.mouse_motion.screen],
ev.data.mouse_motion.x,
ev.data.mouse_motion.y );
}
}
else
{
int x=0, y=0;
#ifdef XF86DRI
EphyrWindowPair *pair = NULL;
#endif
EPHYR_LOG ("enqueuing mouse motion:%d\n", ephyrCurScreen) ;
x = ev.data.mouse_motion.x;
y = ev.data.mouse_motion.y;
EPHYR_LOG ("initial (x,y):(%d,%d)\n", x, y) ;
#ifdef XF86DRI
EPHYR_LOG ("is this window peered by a gl drawable ?\n") ;
if (findWindowPairFromRemote (ev.data.mouse_motion.window,
&pair))
{
EPHYR_LOG ("yes, it is peered\n") ;
x += pair->local->drawable.x;
y += pair->local->drawable.y;
}
else
{
EPHYR_LOG ("no, it is not peered\n") ;
}
EPHYR_LOG ("final (x,y):(%d,%d)\n", x, y) ;
#endif
KdEnqueuePointerEvent(ephyrMouse, mouseState, x, y, 0);
}
}
break;
case EPHYR_EV_MOUSE_PRESS:
if (!ephyrMouse ||
!((EphyrPointerPrivate *)ephyrMouse->driverPrivate)->enabled) {
EPHYR_LOG ("skipping mouse press:%d\n", ephyrCurScreen) ;
continue;
}
EPHYR_LOG ("enqueuing mouse press:%d\n", ephyrCurScreen) ;
ephyrUpdateModifierState(ev.key_state);
mouseState |= ev.data.mouse_down.button_num;
KdEnqueuePointerEvent(ephyrMouse, mouseState|KD_MOUSE_DELTA, 0, 0, 0);
break;
case EPHYR_EV_MOUSE_RELEASE:
if (!ephyrMouse ||
!((EphyrPointerPrivate *)ephyrMouse->driverPrivate)->enabled)
continue;
ephyrUpdateModifierState(ev.key_state);
mouseState &= ~ev.data.mouse_up.button_num;
EPHYR_LOG ("enqueuing mouse release:%d\n", ephyrCurScreen) ;
KdEnqueuePointerEvent(ephyrMouse, mouseState|KD_MOUSE_DELTA, 0, 0, 0);
break;
case EPHYR_EV_KEY_PRESS:
if (!ephyrKbd ||
!((EphyrKbdPrivate *)ephyrKbd->driverPrivate)->enabled)
continue;
ephyrUpdateModifierState(ev.key_state);
KdEnqueueKeyboardEvent (ephyrKbd, ev.data.key_down.scancode, FALSE);
break;
case EPHYR_EV_KEY_RELEASE:
if (!ephyrKbd ||
!((EphyrKbdPrivate *)ephyrKbd->driverPrivate)->enabled)
continue;
ephyrUpdateModifierState(ev.key_state);
KdEnqueueKeyboardEvent (ephyrKbd, ev.data.key_up.scancode, TRUE);
break;
#ifdef XF86DRI
case EPHYR_EV_EXPOSE:
/*
* We only receive expose events when the expose event have
* be generated for a drawable that is a host X window managed
* by Xephyr. Host X windows managed by Xephyr exists for instance
* when Xephyr is asked to create a GL drawable in a DRI environment.
*/
ephyrExposePairedWindow (ev.data.expose.window);
break;
#endif /* XF86DRI */
default:
break;
}
}
}
void
ephyrCardFini (KdCardInfo *card)
{
EphyrPriv *priv = card->driver;
free(priv);
}
void
ephyrGetColors (ScreenPtr pScreen, int n, xColorItem *pdefs)
{
/* XXX Not sure if this is right */
EPHYR_LOG("mark");
while (n--)
{
pdefs->red = 0;
pdefs->green = 0;
pdefs->blue = 0;
pdefs++;
}
}
void
ephyrPutColors (ScreenPtr pScreen, int n, xColorItem *pdefs)
{
int min, max, p;
/* XXX Not sure if this is right */
min = 256;
max = 0;
while (n--)
{
p = pdefs->pixel;
if (p < min)
min = p;
if (p > max)
max = p;
hostx_set_cmap_entry(p,
pdefs->red >> 8,
pdefs->green >> 8,
pdefs->blue >> 8);
pdefs++;
}
}
/* Mouse calls */
static Status
MouseInit (KdPointerInfo *pi)
{
pi->driverPrivate = (EphyrPointerPrivate *)
calloc(sizeof(EphyrPointerPrivate), 1);
((EphyrPointerPrivate *)pi->driverPrivate)->enabled = FALSE;
pi->nAxes = 3;
pi->nButtons = 32;
free(pi->name);
pi->name = strdup("Xephyr virtual mouse");
/*
* Must transform pointer coords since the pointer position
* relative to the Xephyr window is controlled by the host server and
* remains constant regardless of any rotation applied to the Xephyr screen.
*/
pi->transformCoordinates = TRUE;
ephyrMouse = pi;
return Success;
}
static Status
MouseEnable (KdPointerInfo *pi)
{
((EphyrPointerPrivate *)pi->driverPrivate)->enabled = TRUE;
return Success;
}
static void
MouseDisable (KdPointerInfo *pi)
{
((EphyrPointerPrivate *)pi->driverPrivate)->enabled = FALSE;
return;
}
static void
MouseFini (KdPointerInfo *pi)
{
ephyrMouse = NULL;
return;
}
KdPointerDriver EphyrMouseDriver = {
"ephyr",
MouseInit,
MouseEnable,
MouseDisable,
MouseFini,
NULL,
};
/* Keyboard */
static Status
EphyrKeyboardInit (KdKeyboardInfo *ki)
{
ki->driverPrivate = (EphyrKbdPrivate *)
calloc(sizeof(EphyrKbdPrivate), 1);
hostx_load_keymap();
if (!ephyrKeySyms.map) {
ErrorF("Couldn't load keymap from host\n");
return BadAlloc;
}
ki->minScanCode = ephyrKeySyms.minKeyCode;
ki->maxScanCode = ephyrKeySyms.maxKeyCode;
free(ki->name);
ki->name = strdup("Xephyr virtual keyboard");
ephyrKbd = ki;
return Success;
}
static Status
EphyrKeyboardEnable (KdKeyboardInfo *ki)
{
((EphyrKbdPrivate *)ki->driverPrivate)->enabled = TRUE;
return Success;
}
static void
EphyrKeyboardDisable (KdKeyboardInfo *ki)
{
((EphyrKbdPrivate *)ki->driverPrivate)->enabled = FALSE;
}
static void
EphyrKeyboardFini (KdKeyboardInfo *ki)
{
ephyrKbd = NULL;
return;
}
static void
EphyrKeyboardLeds (KdKeyboardInfo *ki, int leds)
{
}
static void
EphyrKeyboardBell (KdKeyboardInfo *ki, int volume, int frequency, int duration)
{
}
KdKeyboardDriver EphyrKeyboardDriver = {
"ephyr",
EphyrKeyboardInit,
EphyrKeyboardEnable,
EphyrKeyboardLeds,
EphyrKeyboardBell,
EphyrKeyboardDisable,
EphyrKeyboardFini,
NULL,
};
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