3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * Common internal rootless definitions and code
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * Copyright (c) 2001 Greg Parker. All Rights Reserved.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * Permission is hereby granted, free of charge, to any person obtaining a
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * copy of this software and associated documentation files (the "Software"),
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * to deal in the Software without restriction, including without limitation
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * the rights to use, copy, modify, merge, publish, distribute, sublicense,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * and/or sell copies of the Software, and to permit persons to whom the
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * Software is furnished to do so, subject to the following conditions:
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * The above copyright notice and this permission notice shall be included in
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * all copies or substantial portions of the Software.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync * DEALINGS IN THE SOFTWARE.
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync * Except as contained in this notice, the name(s) of the above copyright
930b5f872e89407f445d4000d4e4aaecaa6a0998vboxsync * holders shall not be used in advertising or otherwise to promote the sale,
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * use or other dealings in this Software without prior written authorization.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Debug output, or not.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Global variables
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// RootlessGCRec: private per-gc data
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsynctypedef struct {
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// RootlessScreenRec: per-screen private data
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync // Rootless implementation functions
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync // Wrapped screen functions
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync CreateScreenResourcesProcPtr CreateScreenResources;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync ChangeWindowAttributesProcPtr ChangeWindowAttributes;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync PaintWindowBackgroundProcPtr PaintWindowBackground;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync MarkOverlappedWindowsProcPtr MarkOverlappedWindows;
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// "Definition of the Porting Layer for the X11 Sample Server" says
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// unwrap and rewrap of screen functions is unnecessary, but
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// screen->CreateGC changes after a call to cfbCreateGC.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Accessors for screen and window privates
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync ((RootlessScreenRec *)(pScreen)->devPrivates[rootlessScreenPrivateIndex].ptr)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync ((RootlessWindowRec *)(pWin)->devPrivates[rootlessWindowPrivateIndex].ptr)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Call a rootless implementation function.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Many rootless implementation functions are allowed to be NULL.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// BoxRec manipulators
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Copied from shadowfb
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0))
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// HUGE_ROOT and NORMAL_ROOT
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// We don't want to clip windows to the edge of the screen.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// HUGE_ROOT temporarily makes the root window really big.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// This is needed as a wrapper around any function that calls
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// SetWinSize or SetBorderSize which clip a window against its
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// parents, including the root.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync while (w->parent) \
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync } while (0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync while (w->parent) \
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync } while (0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Returns TRUE if this window is a top-level window (i.e. child of the root)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// The root is not a top-level window.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync ((pWin) && (pWin)->parent && !(pWin)->parent->parent)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Returns TRUE if this window is a root window
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync ((pWin) == WindowTable[(pWin)->drawable.pScreen->myNum])
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * SetPixmapBaseToScreen
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * Move the given pixmap's base address to where pixel (0, 0)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * would be if the pixmap's actual data started at (x, y).
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * Can't access the bits before the first word of the drawable's data in
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync * rootless mode, so make sure our base address is always 32-bit aligned.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync _pPix->devPrivate.ptr = (char *) (_pPix->devPrivate.ptr) - \
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync unsigned _diff = ((unsigned) _pPix->devPrivate.ptr) & \
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync _pPix->devPrivate.ptr = (char *) (_pPix->devPrivate.ptr) - \
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Returns TRUE if this window is visible inside a frame
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// (e.g. it is visible and has a top-level or root parent)
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Routines that cause regions to get redrawn.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// DamageRegion and DamageRect are in global coordinates.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// DamageBox is in window-local coordinates.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncvoid RootlessDamageRegion(WindowPtr pWindow, RegionPtr pRegion);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncvoid RootlessDamageRect(WindowPtr pWindow, int x, int y, int w, int h);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsyncvoid RootlessDamageBox(WindowPtr pWindow, BoxPtr pBox);
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Move a window to its proper location on the screen.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync// Move the window to it's correct place in the physical stacking order.
3194da424708abdd288b28d96892b3a5f3f7df0bvboxsync#endif /* _ROOTLESSCOMMON_H */