diff options
Diffstat (limited to 'hw/xquartz/quartzCursor.c')
| -rw-r--r-- | hw/xquartz/quartzCursor.c | 646 |
1 files changed, 0 insertions, 646 deletions
diff --git a/hw/xquartz/quartzCursor.c b/hw/xquartz/quartzCursor.c deleted file mode 100644 index f82ccd380..000000000 --- a/hw/xquartz/quartzCursor.c +++ /dev/null @@ -1,646 +0,0 @@ -/************************************************************** - * - * Support for using the Quartz Window Manager cursor - * - * Copyright (c) 2001-2003 Torrey T. Lyons and Greg Parker. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name(s) of the above copyright - * holders shall not be used in advertising or otherwise to promote the sale, - * use or other dealings in this Software without prior written authorization. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "quartzCommon.h" -#include "quartzCursor.h" -#include "darwin.h" - -#include <pthread.h> - -#include "mi.h" -#include "scrnintstr.h" -#include "cursorstr.h" -#include "mipointrst.h" -#include "globals.h" - -// Size of the QuickDraw cursor -#define CURSORWIDTH 16 -#define CURSORHEIGHT 16 - -typedef struct { - int qdCursorMode; - int qdCursorVisible; - int useQDCursor; - QueryBestSizeProcPtr QueryBestSize; - miPointerSpriteFuncPtr spriteFuncs; -} QuartzCursorScreenRec, *QuartzCursorScreenPtr; - -static DevPrivateKey darwinCursorScreenKey = &darwinCursorScreenKey; -static CursorPtr quartzLatentCursor = NULL; -static QD_Cursor gQDArrow; // QuickDraw arrow cursor - -// Cursor for the main thread to set (NULL = arrow cursor). -static CCrsrHandle currentCursor = NULL; -static pthread_mutex_t cursorMutex; -static pthread_cond_t cursorCondition; - -#define CURSOR_PRIV(pScreen) ((QuartzCursorScreenPtr) \ - dixLookupPrivate(&pScreen->devPrivates, darwinCursorScreenKey)) - -#define HIDE_QD_CURSOR(pScreen, visible) \ - if (visible) { \ - int ix; \ - for (ix = 0; ix < QUARTZ_PRIV(pScreen)->displayCount; ix++) { \ - CGDisplayHideCursor(QUARTZ_PRIV(pScreen)->displayIDs[ix]); \ - } \ - visible = FALSE; \ - } ((void)0) - -#define SHOW_QD_CURSOR(pScreen, visible) \ - { \ - int ix; \ - for (ix = 0; ix < QUARTZ_PRIV(pScreen)->displayCount; ix++) { \ - CGDisplayShowCursor(QUARTZ_PRIV(pScreen)->displayIDs[ix]); \ - } \ - visible = TRUE; \ - } ((void)0) - -#define CHANGE_QD_CURSOR(cursorH) \ - if (!quartzServerQuitting) { \ - /* Acquire lock and tell the main thread to change cursor */ \ - pthread_mutex_lock(&cursorMutex); \ - currentCursor = (CCrsrHandle) (cursorH); \ - QuartzMessageMainThread(kQuartzCursorUpdate, NULL, 0); \ - \ - /* Wait for the main thread to change the cursor */ \ - pthread_cond_wait(&cursorCondition, &cursorMutex); \ - pthread_mutex_unlock(&cursorMutex); \ - } ((void)0) - - -/* - * MakeQDCursor helpers: CTAB_ENTER, interleave - */ - -// Add a color entry to a ctab -#define CTAB_ENTER(ctab, index, r, g, b) \ - ctab->ctTable[index].value = index; \ - ctab->ctTable[index].rgb.red = r; \ - ctab->ctTable[index].rgb.green = g; \ - ctab->ctTable[index].rgb.blue = b - -// Make an unsigned short by interleaving the bits of bytes c1 and c2. -// High bit of c1 is first; low bit of c2 is last. -// Interleave is a built-in INTERCAL operator. -static unsigned short -interleave( - unsigned char c1, - unsigned char c2 ) -{ - return - ((c1 & 0x80) << 8) | ((c2 & 0x80) << 7) | - ((c1 & 0x40) << 7) | ((c2 & 0x40) << 6) | - ((c1 & 0x20) << 6) | ((c2 & 0x20) << 5) | - ((c1 & 0x10) << 5) | ((c2 & 0x10) << 4) | - ((c1 & 0x08) << 4) | ((c2 & 0x08) << 3) | - ((c1 & 0x04) << 3) | ((c2 & 0x04) << 2) | - ((c1 & 0x02) << 2) | ((c2 & 0x02) << 1) | - ((c1 & 0x01) << 1) | ((c2 & 0x01) << 0) ; -} - -/* - * MakeQDCursor - * Make a QuickDraw color cursor from the given X11 cursor. - * Warning: This code is nasty. Color cursors were meant to be read - * from resources; constructing the structures programmatically is messy. - */ -/* - QuickDraw cursor representation: - Our color cursor is a 2 bit per pixel pixmap. - Each pixel's bits are (source<<1 | mask) from the original X cursor pixel. - The cursor's color table maps the colors like this: - (2-bit value | X result | colortable | Mac result) - 00 | transparent | white | transparent (white outside mask) - 01 | back color | back color | back color - 10 | undefined | black | invert background (just for fun) - 11 | fore color | fore color | fore color -*/ -static CCrsrHandle -MakeQDCursor( - CursorPtr pCursor ) -{ - CCrsrHandle result; - CCrsrPtr curs; - int i, w, h; - unsigned short rowMask; - PixMap *pix; - ColorTable *ctab; - unsigned short *image; - - result = (CCrsrHandle) NewHandleClear(sizeof(CCrsr)); - if (!result) return NULL; - HLock((Handle)result); - curs = *result; - - // Initialize CCrsr - curs->crsrType = 0x8001; // 0x8000 = b&w, 0x8001 = color - curs->crsrMap = (PixMapHandle) NewHandleClear(sizeof(PixMap)); - if (!curs->crsrMap) goto pixAllocFailed; - HLock((Handle)curs->crsrMap); - pix = *curs->crsrMap; - curs->crsrData = NULL; // raw cursor image data (set below) - curs->crsrXData = NULL; // QD's processed data - curs->crsrXValid = 0; // zero means QD must re-process cursor data - curs->crsrXHandle = NULL; // reserved - memset(curs->crsr1Data, 0, CURSORWIDTH*CURSORHEIGHT/8); // b&w data - memset(curs->crsrMask, 0, CURSORWIDTH*CURSORHEIGHT/8); // b&w & color mask - curs->crsrHotSpot.h = min(CURSORWIDTH, pCursor->bits->xhot); // hot spot - curs->crsrHotSpot.v = min(CURSORHEIGHT, pCursor->bits->yhot); // hot spot - curs->crsrXTable = 0; // reserved - curs->crsrID = GetCTSeed(); // unique ID from Color Manager - - // Set the b&w data and mask - w = min(pCursor->bits->width, CURSORWIDTH); - h = min(pCursor->bits->height, CURSORHEIGHT); - rowMask = ~((1 << (CURSORWIDTH - w)) - 1); - for (i = 0; i < h; i++) { - curs->crsr1Data[i] = rowMask & - ((pCursor->bits->source[i*4]<<8) | pCursor->bits->source[i*4+1]); - curs->crsrMask[i] = rowMask & - ((pCursor->bits->mask[i*4]<<8) | pCursor->bits->mask[i*4+1]); - } - - // Set the color data and mask - // crsrMap: defines bit depth and size and colortable only - pix->rowBytes = (CURSORWIDTH * 2 / 8) | 0x8000; // last bit on means PixMap - SetRect(&pix->bounds, 0, 0, CURSORWIDTH, CURSORHEIGHT); // see TN 1020 - pix->pixelSize = 2; - pix->cmpCount = 1; - pix->cmpSize = 2; - // pix->pmTable set below - - // crsrData is the pixel data. crsrMap's baseAddr is not used. - curs->crsrData = NewHandleClear(CURSORWIDTH*CURSORHEIGHT * 2 / 8); - if (!curs->crsrData) goto imageAllocFailed; - HLock((Handle)curs->crsrData); - image = (unsigned short *) *curs->crsrData; - // Pixel data is just 1-bit data and mask interleaved (see above) - for (i = 0; i < h; i++) { - unsigned char s, m; - s = pCursor->bits->source[i*4] & (rowMask >> 8); - m = pCursor->bits->mask[i*4] & (rowMask >> 8); - image[2*i] = interleave(s, m); - s = pCursor->bits->source[i*4+1] & (rowMask & 0x00ff); - m = pCursor->bits->mask[i*4+1] & (rowMask & 0x00ff); - image[2*i+1] = interleave(s, m); - } - - // Build the color table (entries described above) - // NewPixMap allocates a color table handle. - pix->pmTable = (CTabHandle) NewHandleClear(sizeof(ColorTable) + 3 - * sizeof(ColorSpec)); - if (!pix->pmTable) goto ctabAllocFailed; - HLock((Handle)pix->pmTable); - ctab = *pix->pmTable; - ctab->ctSeed = GetCTSeed(); - ctab->ctFlags = 0; - ctab->ctSize = 3; // color count - 1 - CTAB_ENTER(ctab, 0, 0xffff, 0xffff, 0xffff); - CTAB_ENTER(ctab, 1, pCursor->backRed, pCursor->backGreen, - pCursor->backBlue); - CTAB_ENTER(ctab, 2, 0x0000, 0x0000, 0x0000); - CTAB_ENTER(ctab, 3, pCursor->foreRed, pCursor->foreGreen, - pCursor->foreBlue); - - HUnlock((Handle)pix->pmTable); // ctab - HUnlock((Handle)curs->crsrData); // image data - HUnlock((Handle)curs->crsrMap); // pix - HUnlock((Handle)result); // cursor - - return result; - - // "What we have here is a failure to allocate" -ctabAllocFailed: - HUnlock((Handle)curs->crsrData); - DisposeHandle((Handle)curs->crsrData); -imageAllocFailed: - HUnlock((Handle)curs->crsrMap); - DisposeHandle((Handle)curs->crsrMap); -pixAllocFailed: - HUnlock((Handle)result); - DisposeHandle((Handle)result); - return NULL; -} - - -/* - * FreeQDCursor - * Destroy a QuickDraw color cursor created with MakeQDCursor(). - * The cursor must not currently be on screen. - */ -static void FreeQDCursor(CCrsrHandle cursHandle) -{ - CCrsrPtr curs; - PixMap *pix; - - HLock((Handle)cursHandle); - curs = *cursHandle; - HLock((Handle)curs->crsrMap); - pix = *curs->crsrMap; - DisposeHandle((Handle)pix->pmTable); - HUnlock((Handle)curs->crsrMap); - DisposeHandle((Handle)curs->crsrMap); - DisposeHandle((Handle)curs->crsrData); - HUnlock((Handle)cursHandle); - DisposeHandle((Handle)cursHandle); -} - - -/* -=========================================================================== - - Pointer sprite functions - -=========================================================================== -*/ - -/* - * QuartzRealizeCursor - * Convert the X cursor representation to QuickDraw format if possible. - */ -Bool -QuartzRealizeCursor( - ScreenPtr pScreen, - CursorPtr pCursor ) -{ - CCrsrHandle qdCursor; - QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen); - - if(!pCursor || !pCursor->bits) - return FALSE; - - // if the cursor is too big we use a software cursor - if ((pCursor->bits->height > CURSORHEIGHT) || - (pCursor->bits->width > CURSORWIDTH) || !ScreenPriv->useQDCursor) - { - if (quartzRootless) { - // rootless can't use a software cursor - return TRUE; - } else { - return (*ScreenPriv->spriteFuncs->RealizeCursor) - (pScreen, pCursor); - } - } - - // make new cursor image - qdCursor = MakeQDCursor(pCursor); - if (!qdCursor) return FALSE; - - // save the result - dixSetPrivate(&pCursor->devPrivates, pScreen, qdCursor); - - return TRUE; -} - - -/* - * QuartzUnrealizeCursor - * Free the storage space associated with a realized cursor. - */ -Bool -QuartzUnrealizeCursor( - ScreenPtr pScreen, - CursorPtr pCursor ) -{ - QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen); - - if ((pCursor->bits->height > CURSORHEIGHT) || - (pCursor->bits->width > CURSORWIDTH) || !ScreenPriv->useQDCursor) - { - if (quartzRootless) { - return TRUE; - } else { - return (*ScreenPriv->spriteFuncs->UnrealizeCursor) - (pScreen, pCursor); - } - } else { - CCrsrHandle oldCursor = dixLookupPrivate(&pCursor->devPrivates, - pScreen); - if (currentCursor != oldCursor) { - // This should only fail when quitting, in which case we just leak. - FreeQDCursor(oldCursor); - } - dixSetPrivate(&pCursor->devPrivates, pScreen, NULL); - return TRUE; - } -} - - -/* - * QuartzSetCursor - * Set the cursor sprite and position. - * Use QuickDraw cursor if possible. - */ -static void -QuartzSetCursor( - ScreenPtr pScreen, - CursorPtr pCursor, - int x, - int y) -{ - QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen); - - quartzLatentCursor = pCursor; - - // Don't touch Mac OS cursor if X is hidden! - if (!quartzServerVisible) - return; - - if (!pCursor) { - // Remove the cursor completely. - HIDE_QD_CURSOR(pScreen, ScreenPriv->qdCursorVisible); - if (! ScreenPriv->qdCursorMode) - (*ScreenPriv->spriteFuncs->SetCursor)(pScreen, 0, x, y); - } - else if ((pCursor->bits->height <= CURSORHEIGHT) && - (pCursor->bits->width <= CURSORWIDTH) && ScreenPriv->useQDCursor) - { - // Cursor is small enough to use QuickDraw directly. - if (! ScreenPriv->qdCursorMode) // remove the X cursor - (*ScreenPriv->spriteFuncs->SetCursor)(pScreen, 0, x, y); - ScreenPriv->qdCursorMode = TRUE; - - CHANGE_QD_CURSOR(dixLookupPrivate(&pCursor->devPrivates, pScreen)); - SHOW_QD_CURSOR(pScreen, ScreenPriv->qdCursorVisible); - } - else if (quartzRootless) { - // Rootless can't use a software cursor, so we just use Mac OS arrow. - CHANGE_QD_CURSOR(NULL); - SHOW_QD_CURSOR(pScreen, ScreenPriv->qdCursorVisible); - } - else { - // Cursor is too big for QuickDraw. Use X software cursor. - HIDE_QD_CURSOR(pScreen, ScreenPriv->qdCursorVisible); - ScreenPriv->qdCursorMode = FALSE; - (*ScreenPriv->spriteFuncs->SetCursor)(pScreen, pCursor, x, y); - } -} - - -/* - * QuartzReallySetCursor - * Set the QuickDraw cursor. Called from the main thread since changing the - * cursor with QuickDraw is not thread safe on dual processor machines. - */ -void -QuartzReallySetCursor() -{ - pthread_mutex_lock(&cursorMutex); - - if (currentCursor) { - SetCCursor(currentCursor); - } else { - SetCursor(&gQDArrow); - } - - pthread_cond_signal(&cursorCondition); - pthread_mutex_unlock(&cursorMutex); -} - - -/* - * QuartzMoveCursor - * Move the cursor. This is a noop for QuickDraw. - */ -static void -QuartzMoveCursor( - ScreenPtr pScreen, - int x, - int y) -{ - QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen); - - // only the X cursor needs to be explicitly moved - if (!ScreenPriv->qdCursorMode) - (*ScreenPriv->spriteFuncs->MoveCursor)(pScreen, x, y); -} - - -static miPointerSpriteFuncRec quartzSpriteFuncsRec = { - QuartzRealizeCursor, - QuartzUnrealizeCursor, - QuartzSetCursor, - QuartzMoveCursor -}; - - -/* -=========================================================================== - - Pointer screen functions - -=========================================================================== -*/ - -/* - * QuartzCursorOffScreen - */ -static Bool QuartzCursorOffScreen(ScreenPtr *pScreen, int *x, int *y) -{ - return FALSE; -} - - -/* - * QuartzCrossScreen - */ -static void QuartzCrossScreen(ScreenPtr pScreen, Bool entering) -{ - return; -} - - -/* - * QuartzWarpCursor - * Change the cursor position without generating an event or motion history. - * The input coordinates (x,y) are in pScreen-local X11 coordinates. - * - */ -static void -QuartzWarpCursor( - ScreenPtr pScreen, - int x, - int y) -{ - static int neverMoved = TRUE; - - if (neverMoved) { - // Don't move the cursor the first time. This is the jump-to-center - // initialization, and it's annoying because we may still be in MacOS. - neverMoved = FALSE; - return; - } - - if (quartzServerVisible) { - CGDisplayErr cgErr; - CGPoint cgPoint; - // Only need to do this for one display. Any display will do. - CGDirectDisplayID cgID = QUARTZ_PRIV(pScreen)->displayIDs[0]; - CGRect cgRect = CGDisplayBounds(cgID); - - // Convert (x,y) to CoreGraphics screen-local CG coordinates. - // This is necessary because the X11 screen and CG screen may not - // coincide. (e.g. X11 screen may be moved to dodge the menu bar) - - // Make point in X11 global coordinates - cgPoint = CGPointMake(x + dixScreenOrigins[pScreen->myNum].x, - y + dixScreenOrigins[pScreen->myNum].y); - // Shift to CoreGraphics global screen coordinates - cgPoint.x += darwinMainScreenX; - cgPoint.y += darwinMainScreenY; - // Shift to CoreGraphics screen-local coordinates - cgPoint.x -= cgRect.origin.x; - cgPoint.y -= cgRect.origin.y; - - cgErr = CGDisplayMoveCursorToPoint(cgID, cgPoint); - if (cgErr != CGDisplayNoErr) { - ErrorF("Could not set cursor position with error code 0x%x.\n", - cgErr); - } - } - - miPointerWarpCursor(pScreen, x, y); - miPointerUpdate(); -} - - -static miPointerScreenFuncRec quartzScreenFuncsRec = { - QuartzCursorOffScreen, - QuartzCrossScreen, - QuartzWarpCursor, - DarwinEQPointerPost, - DarwinEQSwitchScreen -}; - - -/* -=========================================================================== - - Other screen functions - -=========================================================================== -*/ - -/* - * QuartzCursorQueryBestSize - * Handle queries for best cursor size - */ -static void -QuartzCursorQueryBestSize( - int class, - unsigned short *width, - unsigned short *height, - ScreenPtr pScreen) -{ - QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen); - - if (class == CursorShape) { - *width = CURSORWIDTH; - *height = CURSORHEIGHT; - } else { - (*ScreenPriv->QueryBestSize)(class, width, height, pScreen); - } -} - - -/* - * QuartzInitCursor - * Initialize cursor support - */ -Bool -QuartzInitCursor( - ScreenPtr pScreen ) -{ - QuartzCursorScreenPtr ScreenPriv; - miPointerScreenPtr PointPriv; - DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen); - - // initialize software cursor handling (always needed as backup) - if (!miDCInitialize(pScreen, &quartzScreenFuncsRec)) { - return FALSE; - } - - ScreenPriv = xcalloc( 1, sizeof(QuartzCursorScreenRec) ); - if (!ScreenPriv) return FALSE; - - CURSOR_PRIV(pScreen) = ScreenPriv; - - // override some screen procedures - ScreenPriv->QueryBestSize = pScreen->QueryBestSize; - pScreen->QueryBestSize = QuartzCursorQueryBestSize; - - // initialize QuickDraw cursor handling - GetQDGlobalsArrow(&gQDArrow); - PointPriv = (miPointerScreenPtr) - dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey); - - ScreenPriv->spriteFuncs = PointPriv->spriteFuncs; - PointPriv->spriteFuncs = &quartzSpriteFuncsRec; - - if (!quartzRootless) - ScreenPriv->useQDCursor = QuartzFSUseQDCursor(dfb->colorBitsPerPixel); - else - ScreenPriv->useQDCursor = TRUE; - ScreenPriv->qdCursorMode = TRUE; - ScreenPriv->qdCursorVisible = TRUE; - - // initialize cursor mutex lock - pthread_mutex_init(&cursorMutex, NULL); - - // initialize condition for waiting - pthread_cond_init(&cursorCondition, NULL); - - return TRUE; -} - - -// X server is hiding. Restore the Aqua cursor. -void QuartzSuspendXCursor( - ScreenPtr pScreen ) -{ - QuartzCursorScreenPtr ScreenPriv = CURSOR_PRIV(pScreen); - - CHANGE_QD_CURSOR(NULL); - SHOW_QD_CURSOR(pScreen, ScreenPriv->qdCursorVisible); -} - - -// X server is showing. Restore the X cursor. -void QuartzResumeXCursor( - ScreenPtr pScreen, - int x, - int y ) -{ - QuartzSetCursor(pScreen, quartzLatentCursor, x, y); -} |