305 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			305 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved.
 | |
|  *Copyright (C) 2009-2010 Jon TURNEY
 | |
|  *
 | |
|  *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 HAROLD L HUNT II 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 of the author(s)
 | |
|  *shall not be used in advertising or otherwise to promote the sale, use
 | |
|  *or other dealings in this Software without prior written authorization
 | |
|  *from the author(s)
 | |
|  *
 | |
|  * Authors:	Harold L Hunt II
 | |
|  *              Jon TURNEY
 | |
|  */
 | |
| 
 | |
| #ifdef HAVE_XWIN_CONFIG_H
 | |
| #include <xwin-config.h>
 | |
| #endif
 | |
| #include "win.h"
 | |
| 
 | |
| /*
 | |
|  * Answer queries about the RandR features supported.
 | |
|  */
 | |
| 
 | |
| static Bool
 | |
| winRandRGetInfo(ScreenPtr pScreen, Rotation * pRotations)
 | |
| {
 | |
|     winDebug("winRandRGetInfo ()\n");
 | |
| 
 | |
|     /* Don't support rotations */
 | |
|     *pRotations = RR_Rotate_0;
 | |
| 
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| winRandRUpdateMode(ScreenPtr pScreen, RROutputPtr output)
 | |
| {
 | |
|     /* Delete previous mode */
 | |
|     if (output->modes[0])
 | |
|         {
 | |
|             RRModeDestroy(output->modes[0]);
 | |
|             RRModeDestroy(output->crtc->mode);
 | |
|         }
 | |
| 
 | |
|     /* Register current mode */
 | |
|     {
 | |
|         xRRModeInfo modeInfo;
 | |
|         RRModePtr mode;
 | |
|         char name[100];
 | |
| 
 | |
|         memset(&modeInfo, '\0', sizeof(modeInfo));
 | |
|         snprintf(name, sizeof(name), "%dx%d", pScreen->width, pScreen->height);
 | |
| 
 | |
|         modeInfo.width = pScreen->width;
 | |
|         modeInfo.height = pScreen->height;
 | |
|         modeInfo.hTotal = pScreen->width;
 | |
|         modeInfo.vTotal = pScreen->height;
 | |
|         modeInfo.dotClock = 0;
 | |
|         modeInfo.nameLength = strlen(name);
 | |
|         mode = RRModeGet(&modeInfo, name);
 | |
| 
 | |
|         output->modes[0] = mode;
 | |
|         output->numModes = 1;
 | |
| 
 | |
|         mode = RRModeGet(&modeInfo, name);
 | |
|         output->crtc->mode = mode;
 | |
|     }
 | |
| }
 | |
| 
 | |
| /*
 | |
| 
 | |
| */
 | |
| void
 | |
| winDoRandRScreenSetSize(ScreenPtr pScreen,
 | |
|                         CARD16 width,
 | |
|                         CARD16 height, CARD32 mmWidth, CARD32 mmHeight)
 | |
| {
 | |
|     rrScrPrivPtr pRRScrPriv;
 | |
|     winScreenPriv(pScreen);
 | |
|     winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
 | |
|     WindowPtr pRoot = pScreen->root;
 | |
| 
 | |
|     /* Ignore changes which do nothing */
 | |
|     if ((pScreen->width == width) && (pScreen->height == height) &&
 | |
|         (pScreen->mmWidth == mmWidth) && (pScreen->mmHeight == mmHeight))
 | |
|         return;
 | |
| 
 | |
|     // Prevent screen updates while we change things around
 | |
|     SetRootClip(pScreen, ROOT_CLIP_NONE);
 | |
| 
 | |
|     /* Update the screen size as requested */
 | |
|     pScreenInfo->dwWidth = width;
 | |
|     pScreenInfo->dwHeight = height;
 | |
| 
 | |
|     /* Reallocate the framebuffer used by the drawing engine */
 | |
|     (*pScreenPriv->pwinFreeFB) (pScreen);
 | |
|     if (!(*pScreenPriv->pwinAllocateFB) (pScreen)) {
 | |
|         ErrorF("winDoRandRScreenSetSize - Could not reallocate framebuffer\n");
 | |
|     }
 | |
| 
 | |
|     pScreen->width = width;
 | |
|     pScreen->height = height;
 | |
|     pScreen->mmWidth = mmWidth;
 | |
|     pScreen->mmHeight = mmHeight;
 | |
| 
 | |
|     /* Update the screen pixmap to point to the new framebuffer */
 | |
|     winUpdateFBPointer(pScreen, pScreenInfo->pfb);
 | |
| 
 | |
|     // pScreen->devPrivate == pScreen->GetScreenPixmap(screen) ?
 | |
|     // resize the root window
 | |
|     //pScreen->ResizeWindow(pRoot, 0, 0, width, height, NULL);
 | |
|     // does this emit a ConfigureNotify??
 | |
| 
 | |
|     // Restore the ability to update screen, now with new dimensions
 | |
|     SetRootClip(pScreen, ROOT_CLIP_FULL);
 | |
| 
 | |
|     // and arrange for it to be repainted
 | |
|     pScreen->PaintWindow(pRoot, &pRoot->borderClip, PW_BACKGROUND);
 | |
| 
 | |
|     // Set mode to current display size
 | |
|     pRRScrPriv = rrGetScrPriv(pScreen);
 | |
|     winRandRUpdateMode(pScreen, pRRScrPriv->primaryOutput);
 | |
| 
 | |
|     /* Indicate that a screen size change took place */
 | |
|     RRScreenSizeNotify(pScreen);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Respond to resize request
 | |
|  */
 | |
| static
 | |
|     Bool
 | |
| winRandRScreenSetSize(ScreenPtr pScreen,
 | |
|                       CARD16 width,
 | |
|                       CARD16 height, CARD32 mmWidth, CARD32 mmHeight)
 | |
| {
 | |
|     winScreenPriv(pScreen);
 | |
|     winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
 | |
| 
 | |
|     winDebug("winRandRScreenSetSize ()\n");
 | |
| 
 | |
|     /*
 | |
|        It doesn't currently make sense to allow resize in fullscreen mode
 | |
|        (we'd actually have to list the supported resolutions)
 | |
|      */
 | |
|     if (pScreenInfo->fFullScreen) {
 | |
|         ErrorF
 | |
|             ("winRandRScreenSetSize - resize not supported in fullscreen mode\n");
 | |
|         return FALSE;
 | |
|     }
 | |
| 
 | |
|     /*
 | |
|        Client resize requests aren't allowed in rootless modes, even if
 | |
|        the X screen is monitor or virtual desktop size, we'd need to
 | |
|        resize the native display size
 | |
|      */
 | |
|     if (FALSE
 | |
|         || pScreenInfo->fRootless
 | |
|         || pScreenInfo->fMultiWindow
 | |
|         ) {
 | |
|         ErrorF
 | |
|             ("winRandRScreenSetSize - resize not supported in rootless modes\n");
 | |
|         return FALSE;
 | |
|     }
 | |
| 
 | |
|     winDoRandRScreenSetSize(pScreen, width, height, mmWidth, mmHeight);
 | |
| 
 | |
|     /* Cause the native window for the screen to resize itself */
 | |
|     {
 | |
|         DWORD dwStyle, dwExStyle;
 | |
|         RECT rcClient;
 | |
| 
 | |
|         rcClient.left = 0;
 | |
|         rcClient.top = 0;
 | |
|         rcClient.right = width;
 | |
|         rcClient.bottom = height;
 | |
| 
 | |
|         ErrorF("winRandRScreenSetSize new client area w: %d h: %d\n", width,
 | |
|                height);
 | |
| 
 | |
|         /* Get the Windows window style and extended style */
 | |
|         dwExStyle = GetWindowLongPtr(pScreenPriv->hwndScreen, GWL_EXSTYLE);
 | |
|         dwStyle = GetWindowLongPtr(pScreenPriv->hwndScreen, GWL_STYLE);
 | |
| 
 | |
|         /*
 | |
|          * Calculate the window size needed for the given client area
 | |
|          * adjusting for any decorations it will have
 | |
|          */
 | |
|         AdjustWindowRectEx(&rcClient, dwStyle, FALSE, dwExStyle);
 | |
| 
 | |
|         ErrorF("winRandRScreenSetSize new window area w: %d h: %d\n",
 | |
|                (int)(rcClient.right - rcClient.left),
 | |
|                (int)(rcClient.bottom - rcClient.top));
 | |
| 
 | |
|         SetWindowPos(pScreenPriv->hwndScreen, NULL,
 | |
|                      0, 0, rcClient.right - rcClient.left,
 | |
|                      rcClient.bottom - rcClient.top, SWP_NOZORDER | SWP_NOMOVE);
 | |
|     }
 | |
| 
 | |
|     return TRUE;
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * Initialize the RandR layer.
 | |
|  */
 | |
| 
 | |
| Bool
 | |
| winRandRInit(ScreenPtr pScreen)
 | |
| {
 | |
|     rrScrPrivPtr pRRScrPriv;
 | |
| 
 | |
|     winDebug("winRandRInit ()\n");
 | |
| 
 | |
|     if (!RRScreenInit(pScreen)) {
 | |
|         ErrorF("winRandRInit () - RRScreenInit () failed\n");
 | |
|         return FALSE;
 | |
|     }
 | |
| 
 | |
|     /* Set some RandR function pointers */
 | |
|     pRRScrPriv = rrGetScrPriv(pScreen);
 | |
|     pRRScrPriv->rrGetInfo = winRandRGetInfo;
 | |
|     pRRScrPriv->rrSetConfig = NULL;
 | |
|     pRRScrPriv->rrScreenSetSize = winRandRScreenSetSize;
 | |
|     pRRScrPriv->rrCrtcSet = NULL;
 | |
|     pRRScrPriv->rrCrtcSetGamma = NULL;
 | |
| 
 | |
|     /* Create a CRTC and an output for the screen, and hook them together */
 | |
|     {
 | |
|         RRCrtcPtr crtc;
 | |
|         RROutputPtr output;
 | |
| 
 | |
|         crtc = RRCrtcCreate(pScreen, NULL);
 | |
|         if (!crtc)
 | |
|             return FALSE;
 | |
| 
 | |
|         crtc->rotations = RR_Rotate_0;
 | |
| 
 | |
|         output = RROutputCreate(pScreen, "default", 7, NULL);
 | |
|         if (!output)
 | |
|             return FALSE;
 | |
| 
 | |
|         RROutputSetCrtcs(output, &crtc, 1);
 | |
|         RROutputSetConnection(output, RR_Connected);
 | |
|         RROutputSetSubpixelOrder(output, PictureGetSubpixelOrder(pScreen));
 | |
| 
 | |
|         output->crtc = crtc;
 | |
| 
 | |
|         /* Set crtc outputs (should use RRCrtcNotify?) */
 | |
|         crtc->outputs = malloc(sizeof(RROutputPtr));
 | |
|         crtc->outputs[0] = output;
 | |
|         crtc->numOutputs = 1;
 | |
| 
 | |
|         pRRScrPriv->primaryOutput = output;
 | |
| 
 | |
|         /* Ensure we have space for exactly one mode */
 | |
|         output->modes = malloc(sizeof(RRModePtr));
 | |
|         output->modes[0] = NULL;
 | |
| 
 | |
|         /* Set mode to current display size */
 | |
|         winRandRUpdateMode(pScreen, output);
 | |
| 
 | |
|         /* Make up some physical dimensions */
 | |
|         output->mmWidth = (pScreen->width * 25.4)/monitorResolution;
 | |
|         output->mmHeight = (pScreen->height * 25.4)/monitorResolution;
 | |
| 
 | |
|         /* Allocate and make up a (fixed, linear) gamma ramp */
 | |
|         {
 | |
|             int i;
 | |
|             RRCrtcGammaSetSize(crtc, 256);
 | |
|             for (i = 0; i < crtc->gammaSize; i++) {
 | |
|                 crtc->gammaRed[i] = i << 8;
 | |
|                 crtc->gammaBlue[i] = i << 8;
 | |
|                 crtc->gammaGreen[i] = i << 8;
 | |
|             }
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /*
 | |
|        The screen doesn't have to be limited to the actual
 | |
|        monitor size (we can have scrollbars :-), so set the
 | |
|        upper limit to the maximum coordinates X11 can use.
 | |
|      */
 | |
|     RRScreenSetSizeRange(pScreen, 0, 0, 32768, 32768);
 | |
| 
 | |
|     return TRUE;
 | |
| }
 |