324 lines
8.6 KiB
C
324 lines
8.6 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 "mivalidate.h" // for union _Validate used by windowstr.h
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#ifndef RANDR_12_INTERFACE
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#error X server must have RandR 1.2 interface
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#endif
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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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/*
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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 what is
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the upper limit?
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*/
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RRScreenSetSizeRange(pScreen, 0, 0, 4096, 4096);
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return TRUE;
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}
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/*
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Copied from the xfree86 DDX
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Why can't this be in DIX?
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Does union _Validate vary depending on DDX??
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*/
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static void
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xf86SetRootClip (ScreenPtr pScreen, Bool enable)
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{
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WindowPtr pWin = pScreen->root;
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WindowPtr pChild;
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Bool WasViewable = (Bool)(pWin->viewable);
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Bool anyMarked = FALSE;
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WindowPtr pLayerWin;
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BoxRec box;
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if (WasViewable)
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{
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for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
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{
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(void) (*pScreen->MarkOverlappedWindows)(pChild,
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pChild,
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&pLayerWin);
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}
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(*pScreen->MarkWindow) (pWin);
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anyMarked = TRUE;
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if (pWin->valdata)
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{
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if (HasBorder (pWin))
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{
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RegionPtr borderVisible;
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borderVisible = REGION_CREATE(pScreen, NullBox, 1);
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REGION_SUBTRACT(pScreen, borderVisible,
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&pWin->borderClip, &pWin->winSize);
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pWin->valdata->before.borderVisible = borderVisible;
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}
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pWin->valdata->before.resized = TRUE;
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}
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}
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/*
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* Use REGION_BREAK to avoid optimizations in ValidateTree
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* that assume the root borderClip can't change well, normally
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* it doesn't...)
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*/
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if (enable)
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{
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box.x1 = 0;
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box.y1 = 0;
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box.x2 = pScreen->width;
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box.y2 = pScreen->height;
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REGION_INIT (pScreen, &pWin->winSize, &box, 1);
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REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
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if (WasViewable)
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REGION_RESET(pScreen, &pWin->borderClip, &box);
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pWin->drawable.width = pScreen->width;
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pWin->drawable.height = pScreen->height;
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REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
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}
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else
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{
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REGION_EMPTY(pScreen, &pWin->borderClip);
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REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
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}
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ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
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if (WasViewable)
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{
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if (pWin->firstChild)
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{
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anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
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pWin->firstChild,
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(WindowPtr *)NULL);
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}
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else
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{
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(*pScreen->MarkWindow) (pWin);
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anyMarked = TRUE;
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}
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if (anyMarked)
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(*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
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}
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if (WasViewable)
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{
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if (anyMarked)
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(*pScreen->HandleExposures)(pWin);
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if (anyMarked && pScreen->PostValidateTree)
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(*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
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}
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if (pWin->realized)
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WindowsRestructured ();
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FlushAllOutput ();
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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,
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CARD32 mmWidth,
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CARD32 mmHeight)
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{
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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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// Prevent screen updates while we change things around
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xf86SetRootClip(pScreen, FALSE);
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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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{
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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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xf86SetRootClip(pScreen, TRUE);
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// and arrange for it to be repainted
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miPaintWindow(pRoot, &pRoot->borderClip, PW_BACKGROUND);
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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,
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CARD16 pixWidth,
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CARD16 pixHeight,
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CARD32 mmWidth,
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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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{
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ErrorF ("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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#ifdef XWIN_MULTIWINDOWEXTWM
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|| pScreenInfo->fMWExtWM
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#endif
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|| pScreenInfo->fRootless
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#ifdef XWIN_MULTIWINDOW
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|| pScreenInfo->fMultiWindow
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#endif
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)
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{
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ErrorF ("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, 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: %ld h: %ld\n", rcClient.right-rcClient.left, rcClient.bottom-rcClient.top);
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SetWindowPos(pScreenPriv->hwndScreen, NULL,
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0, 0, rcClient.right-rcClient.left, rcClient.bottom-rcClient.top,
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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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{
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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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return TRUE;
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}
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