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#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include "xf86.h"
#include "xf86CursorPriv.h"
#include "colormapst.h"
#include "cursorstr.h"
DevPrivateKey xf86CursorScreenKey = &xf86CursorScreenKey;
/* sprite functions */
static Bool xf86CursorRealizeCursor(ScreenPtr, CursorPtr);
static Bool xf86CursorUnrealizeCursor(ScreenPtr, CursorPtr);
static void xf86CursorSetCursor(ScreenPtr, CursorPtr, int, int);
static void xf86CursorMoveCursor(ScreenPtr, int, int);
static miPointerSpriteFuncRec xf86CursorSpriteFuncs = {
xf86CursorRealizeCursor,
xf86CursorUnrealizeCursor,
xf86CursorSetCursor,
xf86CursorMoveCursor
};
/* Screen functions */
static void xf86CursorInstallColormap(ColormapPtr);
static void xf86CursorRecolorCursor(ScreenPtr, CursorPtr, Bool);
static Bool xf86CursorCloseScreen(int, ScreenPtr);
static void xf86CursorQueryBestSize(int, unsigned short*, unsigned short*,
ScreenPtr);
/* ScrnInfoRec functions */
static void xf86CursorEnableDisableFBAccess(int, Bool);
static Bool xf86CursorSwitchMode(int, DisplayModePtr,int);
Bool
xf86InitCursor(
ScreenPtr pScreen,
xf86CursorInfoPtr infoPtr
)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
xf86CursorScreenPtr ScreenPriv;
miPointerScreenPtr PointPriv;
if (!xf86InitHardwareCursor(pScreen, infoPtr))
return FALSE;
ScreenPriv = xcalloc(1, sizeof(xf86CursorScreenRec));
if (!ScreenPriv)
return FALSE;
dixSetPrivate(&pScreen->devPrivates, xf86CursorScreenKey, ScreenPriv);
ScreenPriv->SWCursor = TRUE;
ScreenPriv->isUp = FALSE;
ScreenPriv->CurrentCursor = NULL;
ScreenPriv->CursorInfoPtr = infoPtr;
ScreenPriv->PalettedCursor = FALSE;
ScreenPriv->pInstalledMap = NULL;
ScreenPriv->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = xf86CursorCloseScreen;
ScreenPriv->QueryBestSize = pScreen->QueryBestSize;
pScreen->QueryBestSize = xf86CursorQueryBestSize;
ScreenPriv->RecolorCursor = pScreen->RecolorCursor;
pScreen->RecolorCursor = xf86CursorRecolorCursor;
if ((infoPtr->pScrn->bitsPerPixel == 8) &&
!(infoPtr->Flags & HARDWARE_CURSOR_TRUECOLOR_AT_8BPP)) {
ScreenPriv->InstallColormap = pScreen->InstallColormap;
pScreen->InstallColormap = xf86CursorInstallColormap;
ScreenPriv->PalettedCursor = TRUE;
}
PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
ScreenPriv->showTransparent = PointPriv->showTransparent;
if (infoPtr->Flags & HARDWARE_CURSOR_SHOW_TRANSPARENT)
PointPriv->showTransparent = TRUE;
else
PointPriv->showTransparent = FALSE;
ScreenPriv->spriteFuncs = PointPriv->spriteFuncs;
PointPriv->spriteFuncs = &xf86CursorSpriteFuncs;
ScreenPriv->EnableDisableFBAccess = pScrn->EnableDisableFBAccess;
ScreenPriv->SwitchMode = pScrn->SwitchMode;
ScreenPriv->ForceHWCursorCount = 0;
ScreenPriv->HWCursorForced = FALSE;
pScrn->EnableDisableFBAccess = xf86CursorEnableDisableFBAccess;
if (pScrn->SwitchMode)
pScrn->SwitchMode = xf86CursorSwitchMode;
return TRUE;
}
/***** Screen functions *****/
static Bool
xf86CursorCloseScreen(int i, ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
miPointerScreenPtr PointPriv = (miPointerScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, miPointerScreenKey);
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
if (ScreenPriv->isUp && pScrn->vtSema)
xf86SetCursor(pScreen, NullCursor, ScreenPriv->x, ScreenPriv->y);
pScreen->CloseScreen = ScreenPriv->CloseScreen;
pScreen->QueryBestSize = ScreenPriv->QueryBestSize;
pScreen->RecolorCursor = ScreenPriv->RecolorCursor;
if (ScreenPriv->InstallColormap)
pScreen->InstallColormap = ScreenPriv->InstallColormap;
PointPriv->spriteFuncs = ScreenPriv->spriteFuncs;
PointPriv->showTransparent = ScreenPriv->showTransparent;
pScrn->EnableDisableFBAccess = ScreenPriv->EnableDisableFBAccess;
pScrn->SwitchMode = ScreenPriv->SwitchMode;
xfree(ScreenPriv->transparentData);
xfree(ScreenPriv);
return (*pScreen->CloseScreen)(i, pScreen);
}
static void
xf86CursorQueryBestSize(
int class,
unsigned short *width,
unsigned short *height,
ScreenPtr pScreen)
{
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
if (class == CursorShape) {
if(*width > ScreenPriv->CursorInfoPtr->MaxWidth)
*width = ScreenPriv->CursorInfoPtr->MaxWidth;
if(*height > ScreenPriv->CursorInfoPtr->MaxHeight)
*height = ScreenPriv->CursorInfoPtr->MaxHeight;
} else
(*ScreenPriv->QueryBestSize)(class, width, height, pScreen);
}
static void
xf86CursorInstallColormap(ColormapPtr pMap)
{
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pMap->pScreen->devPrivates, xf86CursorScreenKey);
ScreenPriv->pInstalledMap = pMap;
(*ScreenPriv->InstallColormap)(pMap);
}
static void
xf86CursorRecolorCursor(
ScreenPtr pScreen,
CursorPtr pCurs,
Bool displayed)
{
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
if (!displayed)
return;
if (ScreenPriv->SWCursor)
(*ScreenPriv->RecolorCursor)(pScreen, pCurs, displayed);
else
xf86RecolorCursor(pScreen, pCurs, displayed);
}
/***** ScrnInfoRec functions *********/
static void
xf86CursorEnableDisableFBAccess(
int index,
Bool enable)
{
ScreenPtr pScreen = screenInfo.screens[index];
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
if (!enable && ScreenPriv->CurrentCursor != NullCursor) {
CursorPtr currentCursor = ScreenPriv->CurrentCursor;
xf86CursorSetCursor(pScreen, NullCursor, ScreenPriv->x, ScreenPriv->y);
ScreenPriv->isUp = FALSE;
ScreenPriv->SWCursor = TRUE;
ScreenPriv->SavedCursor = currentCursor;
}
if (ScreenPriv->EnableDisableFBAccess)
(*ScreenPriv->EnableDisableFBAccess)(index, enable);
if (enable && ScreenPriv->SavedCursor)
{
/*
* Re-set current cursor so drivers can react to FB access having been
* temporarily disabled.
*/
xf86CursorSetCursor(pScreen, ScreenPriv->SavedCursor,
ScreenPriv->x, ScreenPriv->y);
ScreenPriv->SavedCursor = NULL;
}
}
static Bool
xf86CursorSwitchMode(int index, DisplayModePtr mode, int flags)
{
Bool ret;
ScreenPtr pScreen = screenInfo.screens[index];
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
miPointerScreenPtr PointPriv = (miPointerScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, miPointerScreenKey);
if (ScreenPriv->isUp) {
xf86SetCursor(pScreen, NullCursor, ScreenPriv->x, ScreenPriv->y);
ScreenPriv->isUp = FALSE;
}
ret = (*ScreenPriv->SwitchMode)(index, mode, flags);
/*
* Cannot restore cursor here because the new frame[XY][01] haven't been
* calculated yet. However, because the hardware cursor was removed above,
* ensure the cursor is repainted by miPointerWarpCursor().
*/
ScreenPriv->CursorToRestore = ScreenPriv->CurrentCursor;
PointPriv->waitForUpdate = FALSE; /* Force cursor repaint */
return ret;
}
/****** miPointerSpriteFunctions *******/
static Bool
xf86CursorRealizeCursor(ScreenPtr pScreen, CursorPtr pCurs)
{
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
if (pCurs->refcnt <= 1)
dixSetPrivate(&pCurs->devPrivates, pScreen, NULL);
return (*ScreenPriv->spriteFuncs->RealizeCursor)(pScreen, pCurs);
}
static Bool
xf86CursorUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCurs)
{
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
if (pCurs->refcnt <= 1) {
xfree(dixLookupPrivate(&pCurs->devPrivates, pScreen));
dixSetPrivate(&pCurs->devPrivates, pScreen, NULL);
}
return (*ScreenPriv->spriteFuncs->UnrealizeCursor)(pScreen, pCurs);
}
static void
xf86CursorSetCursor(ScreenPtr pScreen, CursorPtr pCurs, int x, int y)
{
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
xf86CursorInfoPtr infoPtr = ScreenPriv->CursorInfoPtr;
miPointerScreenPtr PointPriv;
ScreenPriv->CurrentCursor = pCurs;
ScreenPriv->x = x;
ScreenPriv->y = y;
ScreenPriv->CursorToRestore = NULL;
if (!infoPtr->pScrn->vtSema)
ScreenPriv->SavedCursor = pCurs;
if (pCurs == NullCursor) { /* means we're supposed to remove the cursor */
if (ScreenPriv->SWCursor)
(*ScreenPriv->spriteFuncs->SetCursor)(pScreen, NullCursor, x, y);
else if (ScreenPriv->isUp) {
xf86SetCursor(pScreen, NullCursor, x, y);
ScreenPriv->isUp = FALSE;
}
return;
}
ScreenPriv->HotX = pCurs->bits->xhot;
ScreenPriv->HotY = pCurs->bits->yhot;
PointPriv = (miPointerScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
miPointerScreenKey);
if (infoPtr->pScrn->vtSema && (ScreenPriv->ForceHWCursorCount || ((
#ifdef ARGB_CURSOR
pCurs->bits->argb && infoPtr->UseHWCursorARGB &&
(*infoPtr->UseHWCursorARGB) (pScreen, pCurs) ) || (
pCurs->bits->argb == 0 &&
#endif
(pCurs->bits->height <= infoPtr->MaxHeight) &&
(pCurs->bits->width <= infoPtr->MaxWidth) &&
(!infoPtr->UseHWCursor || (*infoPtr->UseHWCursor)(pScreen, pCurs))))))
{
if (ScreenPriv->SWCursor) /* remove the SW cursor */
(*ScreenPriv->spriteFuncs->SetCursor)(pScreen, NullCursor, x, y);
xf86SetCursor(pScreen, pCurs, x, y);
ScreenPriv->SWCursor = FALSE;
ScreenPriv->isUp = TRUE;
PointPriv->waitForUpdate = !infoPtr->pScrn->silkenMouse;
return;
}
PointPriv->waitForUpdate = TRUE;
if (ScreenPriv->isUp) {
/* Remove the HW cursor, or make it transparent */
if (infoPtr->Flags & HARDWARE_CURSOR_SHOW_TRANSPARENT) {
xf86SetTransparentCursor(pScreen);
} else {
xf86SetCursor(pScreen, NullCursor, x, y);
ScreenPriv->isUp = FALSE;
}
}
ScreenPriv->SWCursor = TRUE;
if (pCurs->bits->emptyMask && !ScreenPriv->showTransparent)
pCurs = NullCursor;
(*ScreenPriv->spriteFuncs->SetCursor)(pScreen, pCurs, x, y);
}
static void
xf86CursorMoveCursor(ScreenPtr pScreen, int x, int y)
{
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
ScreenPriv->x = x;
ScreenPriv->y = y;
if (ScreenPriv->CursorToRestore)
xf86CursorSetCursor(pScreen, ScreenPriv->CursorToRestore,
ScreenPriv->x, ScreenPriv->y);
else if (ScreenPriv->SWCursor)
(*ScreenPriv->spriteFuncs->MoveCursor)(pScreen, x, y);
else if (ScreenPriv->isUp)
xf86MoveCursor(pScreen, x, y);
}
void
xf86ForceHWCursor (ScreenPtr pScreen, Bool on)
{
xf86CursorScreenPtr ScreenPriv = (xf86CursorScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, xf86CursorScreenKey);
if (on)
{
if (ScreenPriv->ForceHWCursorCount++ == 0)
{
if (ScreenPriv->SWCursor && ScreenPriv->CurrentCursor)
{
ScreenPriv->HWCursorForced = TRUE;
xf86CursorSetCursor (pScreen, ScreenPriv->CurrentCursor,
ScreenPriv->x, ScreenPriv->y);
}
else
ScreenPriv->HWCursorForced = FALSE;
}
}
else
{
if (--ScreenPriv->ForceHWCursorCount == 0)
{
if (ScreenPriv->HWCursorForced && ScreenPriv->CurrentCursor)
xf86CursorSetCursor (pScreen, ScreenPriv->CurrentCursor,
ScreenPriv->x, ScreenPriv->y);
}
}
}
xf86CursorInfoPtr
xf86CreateCursorInfoRec(void)
{
return xcalloc(1, sizeof(xf86CursorInfoRec));
}
void
xf86DestroyCursorInfoRec(xf86CursorInfoPtr infoPtr)
{
xfree(infoPtr);
}
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