/* * Common internal rootless definitions and code */ /* * Copyright (c) 2001 Greg Parker. All Rights Reserved. * Copyright (c) 2002-2003 Torrey T. Lyons. 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. */ /* $XFree86: xc/programs/Xserver/hw/darwin/quartz/rootlessCommon.h,v 1.7 2003/01/29 01:11:05 torrey Exp $ */ #ifndef _ROOTLESSCOMMON_H #define _ROOTLESSCOMMON_H #include "rootless.h" #include "fb.h" #ifdef RENDER #include "picturestr.h" #endif // Debug output, or not. #ifdef ROOTLESSDEBUG #define RL_DEBUG_MSG ErrorF #else #define RL_DEBUG_MSG(a, ...) #endif // Global variables extern int rootlessGCPrivateIndex; extern int rootlessScreenPrivateIndex; extern int rootlessWindowPrivateIndex; // RootlessGCRec: private per-gc data typedef struct { GCFuncs *originalFuncs; GCOps *originalOps; } RootlessGCRec; // RootlessWindowRec: private per-window data typedef struct RootlessWindowRec { RootlessFrameRec frame; RegionRec damage; unsigned int borderWidth; // needed for MoveWindow(VTOther) (%$#@!!!) PixmapPtr pixmap; PixmapPtr oldPixmap; BOOL drawing; // TRUE if currently drawing #ifdef SHAPE BOOL shapeDamage; // TRUE if shape has changed #endif } RootlessWindowRec; // RootlessScreenRec: per-screen private data typedef struct { ScreenPtr pScreen; RootlessFrameProcs frameProcs; CloseScreenProcPtr CloseScreen; CreateWindowProcPtr CreateWindow; DestroyWindowProcPtr DestroyWindow; RealizeWindowProcPtr RealizeWindow; UnrealizeWindowProcPtr UnrealizeWindow; MoveWindowProcPtr MoveWindow; ResizeWindowProcPtr ResizeWindow; RestackWindowProcPtr RestackWindow; ChangeBorderWidthProcPtr ChangeBorderWidth; PositionWindowProcPtr PositionWindow; ChangeWindowAttributesProcPtr ChangeWindowAttributes; CreateGCProcPtr CreateGC; PaintWindowBackgroundProcPtr PaintWindowBackground; PaintWindowBorderProcPtr PaintWindowBorder; CopyWindowProcPtr CopyWindow; GetImageProcPtr GetImage; SourceValidateProcPtr SourceValidate; MarkOverlappedWindowsProcPtr MarkOverlappedWindows; ValidateTreeProcPtr ValidateTree; #ifdef SHAPE SetShapeProcPtr SetShape; #endif #ifdef RENDER CompositeProcPtr Composite; GlyphsProcPtr Glyphs; #endif } RootlessScreenRec; // "Definition of the Porting Layer for the X11 Sample Server" says // unwrap and rewrap of screen functions is unnecessary, but // screen->CreateGC changes after a call to cfbCreateGC. #define SCREEN_UNWRAP(screen, fn) \ screen->fn = SCREENREC(screen)->fn; #define SCREEN_WRAP(screen, fn) \ SCREENREC(screen)->fn = screen->fn; \ screen->fn = Rootless##fn // Accessors for screen and window privates #define SCREENREC(pScreen) \ ((RootlessScreenRec*)(pScreen)->devPrivates[rootlessScreenPrivateIndex].ptr) #define WINREC(pWin) \ ((RootlessWindowRec *)(pWin)->devPrivates[rootlessWindowPrivateIndex].ptr) // Call a rootless implementation function. // Many rootless implementation functions are allowed to be NULL. #define CallFrameProc(pScreen, proc, params) \ if (SCREENREC(pScreen)->frameProcs.proc) { \ RL_DEBUG_MSG("calling frame proc " #proc " "); \ SCREENREC(pScreen)->frameProcs.proc params; \ } // BoxRec manipulators // Copied from shadowfb #define TRIM_BOX(box, pGC) { \ BoxPtr extents = &pGC->pCompositeClip->extents;\ if(box.x1 < extents->x1) box.x1 = extents->x1; \ if(box.x2 > extents->x2) box.x2 = extents->x2; \ if(box.y1 < extents->y1) box.y1 = extents->y1; \ if(box.y2 > extents->y2) box.y2 = extents->y2; \ } #define TRANSLATE_BOX(box, pDraw) { \ box.x1 += pDraw->x; \ box.x2 += pDraw->x; \ box.y1 += pDraw->y; \ box.y2 += pDraw->y; \ } #define TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC) { \ TRANSLATE_BOX(box, pDraw); \ TRIM_BOX(box, pGC); \ } #define BOX_NOT_EMPTY(box) \ (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0)) // HUGE_ROOT and NORMAL_ROOT // We don't want to clip windows to the edge of the screen. // HUGE_ROOT temporarily makes the root window really big. // This is needed as a wrapper around any function that calls // SetWinSize or SetBorderSize which clip a window against its // parents, including the root. extern RegionRec rootlessHugeRoot; #define HUGE_ROOT(pWin) \ { \ WindowPtr w = pWin; \ while (w->parent) w = w->parent; \ saveRoot = w->winSize; \ w->winSize = rootlessHugeRoot; \ } #define NORMAL_ROOT(pWin) \ { \ WindowPtr w = pWin; \ while (w->parent) w = w->parent; \ w->winSize = saveRoot; \ } // Returns TRUE if this window is a top-level window (i.e. child of the root) // The root is not a top-level window. #define IsTopLevel(pWin) \ ((pWin) && (pWin)->parent && !(pWin)->parent->parent) // Returns TRUE if this window is a root window #define IsRoot(pWin) \ ((pWin) == WindowTable[(pWin)->drawable.pScreen->myNum]) /* * SetPixmapBaseToScreen * Move the given pixmap's base address to where pixel (0, 0) * would be if the pixmap's actual data started at (x, y). * Can't access the bits before the first word of the drawable's data in * rootless mode, so make sure our base address is always 32-bit aligned. */ #define SetPixmapBaseToScreen(pix, _x, _y) { \ PixmapPtr _pPix = (PixmapPtr) (pix); \ _pPix->devPrivate.ptr = (char *) (_pPix->devPrivate.ptr) - \ ((int)(_x) * _pPix->drawable.bitsPerPixel/8 + \ (int)(_y) * _pPix->devKind); \ if (_pPix->drawable.bitsPerPixel != FB_UNIT) { \ unsigned _diff = ((unsigned) _pPix->devPrivate.ptr) & \ (FB_UNIT / CHAR_BIT - 1); \ _pPix->devPrivate.ptr = (char *) (_pPix->devPrivate.ptr) - \ _diff; \ _pPix->drawable.x = _diff / \ (_pPix->drawable.bitsPerPixel / CHAR_BIT); \ } \ } // Returns the top-level parent of pWindow. // The root is the top-level parent of itself, even though the root is // not otherwise considered to be a top-level window. WindowPtr TopLevelParent(WindowPtr pWindow); // Returns TRUE if this window is visible inside a frame // (e.g. it is visible and has a top-level or root parent) Bool IsFramedWindow(WindowPtr pWin); // Prepare a window for direct access to its backing buffer. void RootlessStartDrawing(WindowPtr pWindow); // Finish drawing to a window's backing buffer. void RootlessStopDrawing(WindowPtr pWindow); // Routines that cause regions to get redrawn. // DamageRegion and DamageRect are in global coordinates. // DamageBox is in window-local coordinates. void RootlessDamageRegion(WindowPtr pWindow, RegionPtr pRegion); void RootlessDamageRect(WindowPtr pWindow, int x, int y, int w, int h); void RootlessDamageBox(WindowPtr pWindow, BoxPtr pBox); void RootlessRedisplay(WindowPtr pWindow); void RootlessRedisplayScreen(ScreenPtr pScreen); // Window reshape needs to be updated. The reshape also forces complete redraw. void RootlessDamageShape(WindowPtr pWin); #endif // _ROOTLESSCOMMON_H