diff options
author | Jeremy Huddleston <jeremy@yuffie.local> | 2007-12-05 19:43:49 -0800 |
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committer | Jeremy Huddleston <jeremy@yuffie.local> | 2007-12-05 20:32:40 -0800 |
commit | bc65a243930e4b02f06a861495420b0a120eae8c (patch) | |
tree | 4b7eb179b0f972c3ee150735a550070aaa498301 /hw/darwin/quartz/quartzCursor.c | |
parent | e00f7061b22001989edf5bd38c2d0cc1566fdd19 (diff) |
Darwin: Flattened quartz into darwin, renamed darwin xquartz
Leaving xpr unflattened since we want modularity to replace that with xpc (XPluginComposite) at some point
(cherry picked from commit 48e6a75fbdd0fee86e364f02ace83f20b312a2b2)
Diffstat (limited to 'hw/darwin/quartz/quartzCursor.c')
-rw-r--r-- | hw/darwin/quartz/quartzCursor.c | 654 |
1 files changed, 0 insertions, 654 deletions
diff --git a/hw/darwin/quartz/quartzCursor.c b/hw/darwin/quartz/quartzCursor.c deleted file mode 100644 index 6e86acbc4..000000000 --- a/hw/darwin/quartz/quartzCursor.c +++ /dev/null @@ -1,654 +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 int darwinCursorScreenIndex = -1; -static unsigned long darwinCursorGeneration = 0; -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)pScreen->devPrivates[darwinCursorScreenIndex].ptr) - -#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 - pCursor->devPriv[pScreen->myNum] = (pointer) 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 = (CCrsrHandle) pCursor->devPriv[pScreen->myNum]; - - if (currentCursor != oldCursor) { - // This should only fail when quitting, in which case we just leak. - FreeQDCursor(oldCursor); - } - pCursor->devPriv[pScreen->myNum] = 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(pCursor->devPriv[pScreen->myNum]); - 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; - } - - // allocate private storage for this screen's QuickDraw cursor info - if (darwinCursorGeneration != serverGeneration) { - if ((darwinCursorScreenIndex = AllocateScreenPrivateIndex()) < 0) - return FALSE; - darwinCursorGeneration = serverGeneration; - } - - 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) - pScreen->devPrivates[miPointerScreenIndex].ptr; - - 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); -} |