307 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			307 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved.
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 *Copyright (C) 2009-2010 Jon TURNEY
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 *
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 *Permission is hereby granted, free of charge, to any person obtaining
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 *a copy of this software and associated documentation files (the
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 *"Software"), to deal in the Software without restriction, including
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 *without limitation the rights to use, copy, modify, merge, publish,
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 *distribute, sublicense, and/or sell copies of the Software, and to
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 *permit persons to whom the Software is furnished to do so, subject to
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 *the following conditions:
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 *
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 *The above copyright notice and this permission notice shall be
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 *included in all copies or substantial portions of the Software.
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 *
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 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
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 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 *Except as contained in this notice, the name of the author(s)
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 *shall not be used in advertising or otherwise to promote the sale, use
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 *or other dealings in this Software without prior written authorization
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 *from the author(s)
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 *
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 * Authors:	Harold L Hunt II
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 *              Jon TURNEY
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 */
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include "win.h"
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#include "randr/randrstr_priv.h"
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/*
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 * Answer queries about the RandR features supported.
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 */
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static Bool
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winRandRGetInfo(ScreenPtr pScreen, Rotation * pRotations)
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{
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    winDebug("winRandRGetInfo ()\n");
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    /* Don't support rotations */
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    *pRotations = RR_Rotate_0;
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    return TRUE;
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}
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static void
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winRandRUpdateMode(ScreenPtr pScreen, RROutputPtr output)
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{
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    /* Delete previous mode */
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    if (output->modes[0])
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        {
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            RRModeDestroy(output->modes[0]);
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            RRModeDestroy(output->crtc->mode);
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        }
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    /* Register current mode */
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    {
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        xRRModeInfo modeInfo;
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        RRModePtr mode;
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        char name[100];
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        memset(&modeInfo, '\0', sizeof(modeInfo));
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        snprintf(name, sizeof(name), "%dx%d", pScreen->width, pScreen->height);
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        modeInfo.width = pScreen->width;
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        modeInfo.height = pScreen->height;
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        modeInfo.hTotal = pScreen->width;
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        modeInfo.vTotal = pScreen->height;
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        modeInfo.dotClock = 0;
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        modeInfo.nameLength = strlen(name);
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        mode = RRModeGet(&modeInfo, name);
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        output->modes[0] = mode;
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        output->numModes = 1;
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        mode = RRModeGet(&modeInfo, name);
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        output->crtc->mode = mode;
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    }
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}
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/*
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*/
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void
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winDoRandRScreenSetSize(ScreenPtr pScreen,
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                        CARD16 width,
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                        CARD16 height, CARD32 mmWidth, CARD32 mmHeight)
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{
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    rrScrPrivPtr pRRScrPriv;
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    winScreenPriv(pScreen);
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    winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
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    WindowPtr pRoot = pScreen->root;
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    /* Ignore changes which do nothing */
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    if ((pScreen->width == width) && (pScreen->height == height) &&
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        (pScreen->mmWidth == mmWidth) && (pScreen->mmHeight == mmHeight))
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        return;
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    // Prevent screen updates while we change things around
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    SetRootClip(pScreen, ROOT_CLIP_NONE);
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    /* Update the screen size as requested */
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    pScreenInfo->dwWidth = width;
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    pScreenInfo->dwHeight = height;
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    /* Reallocate the framebuffer used by the drawing engine */
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    (*pScreenPriv->pwinFreeFB) (pScreen);
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    if (!(*pScreenPriv->pwinAllocateFB) (pScreen)) {
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        ErrorF("winDoRandRScreenSetSize - Could not reallocate framebuffer\n");
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    }
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    pScreen->width = width;
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    pScreen->height = height;
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    pScreen->mmWidth = mmWidth;
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    pScreen->mmHeight = mmHeight;
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    /* Update the screen pixmap to point to the new framebuffer */
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    winUpdateFBPointer(pScreen, pScreenInfo->pfb);
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    // pScreen->devPrivate == pScreen->GetScreenPixmap(screen) ?
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    // resize the root window
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    //pScreen->ResizeWindow(pRoot, 0, 0, width, height, NULL);
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    // does this emit a ConfigureNotify??
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    // Restore the ability to update screen, now with new dimensions
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    SetRootClip(pScreen, ROOT_CLIP_FULL);
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    // and arrange for it to be repainted
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    pScreen->PaintWindow(pRoot, &pRoot->borderClip, PW_BACKGROUND);
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    // Set mode to current display size
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    pRRScrPriv = rrGetScrPriv(pScreen);
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    winRandRUpdateMode(pScreen, pRRScrPriv->primaryOutput);
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    /* Indicate that a screen size change took place */
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    RRScreenSizeNotify(pScreen);
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}
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/*
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 * Respond to resize request
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 */
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static
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    Bool
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winRandRScreenSetSize(ScreenPtr pScreen,
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                      CARD16 width,
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                      CARD16 height, CARD32 mmWidth, CARD32 mmHeight)
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{
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    winScreenPriv(pScreen);
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    winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
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    winDebug("winRandRScreenSetSize ()\n");
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    /*
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       It doesn't currently make sense to allow resize in fullscreen mode
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       (we'd actually have to list the supported resolutions)
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     */
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    if (pScreenInfo->fFullScreen) {
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        ErrorF
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            ("winRandRScreenSetSize - resize not supported in fullscreen mode\n");
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        return FALSE;
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    }
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    /*
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       Client resize requests aren't allowed in rootless modes, even if
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       the X screen is monitor or virtual desktop size, we'd need to
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       resize the native display size
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     */
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    if (FALSE
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        || pScreenInfo->fRootless
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        || pScreenInfo->fMultiWindow
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        ) {
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        ErrorF
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            ("winRandRScreenSetSize - resize not supported in rootless modes\n");
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        return FALSE;
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    }
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    winDoRandRScreenSetSize(pScreen, width, height, mmWidth, mmHeight);
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    /* Cause the native window for the screen to resize itself */
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    {
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        DWORD dwStyle, dwExStyle;
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        RECT rcClient;
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        rcClient.left = 0;
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        rcClient.top = 0;
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        rcClient.right = width;
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        rcClient.bottom = height;
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        ErrorF("winRandRScreenSetSize new client area w: %d h: %d\n", width,
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               height);
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        /* Get the Windows window style and extended style */
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        dwExStyle = GetWindowLongPtr(pScreenPriv->hwndScreen, GWL_EXSTYLE);
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        dwStyle = GetWindowLongPtr(pScreenPriv->hwndScreen, GWL_STYLE);
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        /*
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         * Calculate the window size needed for the given client area
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         * adjusting for any decorations it will have
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         */
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        AdjustWindowRectEx(&rcClient, dwStyle, FALSE, dwExStyle);
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        ErrorF("winRandRScreenSetSize new window area w: %d h: %d\n",
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               (int)(rcClient.right - rcClient.left),
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               (int)(rcClient.bottom - rcClient.top));
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        SetWindowPos(pScreenPriv->hwndScreen, NULL,
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                     0, 0, rcClient.right - rcClient.left,
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                     rcClient.bottom - rcClient.top, SWP_NOZORDER | SWP_NOMOVE);
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    }
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    return TRUE;
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}
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/*
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 * Initialize the RandR layer.
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 */
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Bool
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winRandRInit(ScreenPtr pScreen)
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{
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    rrScrPrivPtr pRRScrPriv;
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    winDebug("winRandRInit ()\n");
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    if (!RRScreenInit(pScreen)) {
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        ErrorF("winRandRInit () - RRScreenInit () failed\n");
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        return FALSE;
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    }
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    /* Set some RandR function pointers */
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    pRRScrPriv = rrGetScrPriv(pScreen);
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    pRRScrPriv->rrGetInfo = winRandRGetInfo;
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    pRRScrPriv->rrSetConfig = NULL;
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    pRRScrPriv->rrScreenSetSize = winRandRScreenSetSize;
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    pRRScrPriv->rrCrtcSet = NULL;
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    pRRScrPriv->rrCrtcSetGamma = NULL;
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    /* Create a CRTC and an output for the screen, and hook them together */
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    {
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        RRCrtcPtr crtc;
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        RROutputPtr output;
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        crtc = RRCrtcCreate(pScreen, NULL);
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        if (!crtc)
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            return FALSE;
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        crtc->rotations = RR_Rotate_0;
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        output = RROutputCreate(pScreen, "default", 7, NULL);
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        if (!output)
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            return FALSE;
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        RROutputSetCrtcs(output, &crtc, 1);
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        RROutputSetConnection(output, RR_Connected);
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        RROutputSetSubpixelOrder(output, PictureGetSubpixelOrder(pScreen));
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        output->crtc = crtc;
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        /* Set crtc outputs (should use RRCrtcNotify?) */
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        crtc->outputs = calloc(1, sizeof(RROutputPtr));
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        crtc->outputs[0] = output;
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        crtc->numOutputs = 1;
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        pRRScrPriv->primaryOutput = output;
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        /* Ensure we have space for exactly one mode */
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        output->modes = calloc(1, sizeof(RRModePtr));
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        output->modes[0] = NULL;
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        /* Set mode to current display size */
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        winRandRUpdateMode(pScreen, output);
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        /* Make up some physical dimensions */
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        output->mmWidth = (pScreen->width * 25.4)/monitorResolution;
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        output->mmHeight = (pScreen->height * 25.4)/monitorResolution;
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        /* Allocate and make up a (fixed, linear) gamma ramp */
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        {
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            int i;
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            RRCrtcGammaSetSize(crtc, 256);
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            for (i = 0; i < crtc->gammaSize; i++) {
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                crtc->gammaRed[i] = i << 8;
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                crtc->gammaBlue[i] = i << 8;
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                crtc->gammaGreen[i] = i << 8;
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            }
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        }
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    }
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    /*
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       The screen doesn't have to be limited to the actual
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       monitor size (we can have scrollbars :-), so set the
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       upper limit to the maximum coordinates X11 can use.
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     */
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    RRScreenSetSizeRange(pScreen, 0, 0, 32768, 32768);
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    return TRUE;
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}
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