xenocara/xserver/hw/xwin/winrandr.c
2019-07-27 07:57:06 +00:00

287 lines
8.5 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)
{
rrScrPrivPtr pRRScrPriv;
RROutputPtr output;
pRRScrPriv = rrGetScrPriv(pScreen);
output = pRRScrPriv->outputs[0];
winDebug("winRandRGetInfo ()\n");
/* Don't support rotations */
*pRotations = RR_Rotate_0;
/* 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;
}
return TRUE;
}
/*
*/
void
winDoRandRScreenSetSize(ScreenPtr pScreen,
CARD16 width,
CARD16 height, CARD32 mmWidth, CARD32 mmHeight)
{
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);
/* 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
#ifdef XWIN_MULTIWINDOWEXTWM
|| pScreenInfo->fMWExtWM
#endif
|| 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;
}
/*
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;
}