diff options
Diffstat (limited to 'randr/rrscreen.c')
| -rw-r--r-- | randr/rrscreen.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/randr/rrscreen.c b/randr/rrscreen.c new file mode 100644 index 000000000..47ba12d39 --- /dev/null +++ b/randr/rrscreen.c @@ -0,0 +1,205 @@ +/* + * Copyright © 2006 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include "randrstr.h" + +extern char *ConnectionInfo; + +static int padlength[4] = {0, 3, 2, 1}; + +/* + * Edit connection information block so that new clients + * see the current screen size on connect + */ +static void +RREditConnectionInfo (ScreenPtr pScreen) +{ + xConnSetup *connSetup; + char *vendor; + xPixmapFormat *formats; + xWindowRoot *root; + xDepth *depth; + xVisualType *visual; + int screen = 0; + int d; + + connSetup = (xConnSetup *) ConnectionInfo; + vendor = (char *) connSetup + sizeof (xConnSetup); + formats = (xPixmapFormat *) ((char *) vendor + + connSetup->nbytesVendor + + padlength[connSetup->nbytesVendor & 3]); + root = (xWindowRoot *) ((char *) formats + + sizeof (xPixmapFormat) * screenInfo.numPixmapFormats); + while (screen != pScreen->myNum) + { + depth = (xDepth *) ((char *) root + + sizeof (xWindowRoot)); + for (d = 0; d < root->nDepths; d++) + { + visual = (xVisualType *) ((char *) depth + + sizeof (xDepth)); + depth = (xDepth *) ((char *) visual + + depth->nVisuals * sizeof (xVisualType)); + } + root = (xWindowRoot *) ((char *) depth); + screen++; + } + root->pixWidth = pScreen->width; + root->pixHeight = pScreen->height; + root->mmWidth = pScreen->mmWidth; + root->mmHeight = pScreen->mmHeight; +} + +static void +RRSendConfigNotify (ScreenPtr pScreen) +{ + WindowPtr pWin = WindowTable[pScreen->myNum]; + xEvent event; + + event.u.u.type = ConfigureNotify; + event.u.configureNotify.window = pWin->drawable.id; + event.u.configureNotify.aboveSibling = None; + event.u.configureNotify.x = 0; + event.u.configureNotify.y = 0; + + /* XXX xinerama stuff ? */ + + event.u.configureNotify.width = pWin->drawable.width; + event.u.configureNotify.height = pWin->drawable.height; + event.u.configureNotify.borderWidth = wBorderWidth (pWin); + event.u.configureNotify.override = pWin->overrideRedirect; + DeliverEvents(pWin, &event, 1, NullWindow); +} + +void +RRDeliverScreenEvent (ClientPtr client, WindowPtr pWin, ScreenPtr pScreen) +{ + rrScrPriv (pScreen); + xRRScreenChangeNotifyEvent se; + RRCrtcPtr crtc = pScrPriv->numCrtcs ? pScrPriv->crtcs[0] : NULL; + RROutputPtr output = pScrPriv->numOutputs ? pScrPriv->outputs[0] : NULL; + RRModePtr mode = crtc ? crtc->mode : NULL; + WindowPtr pRoot = WindowTable[pScreen->myNum]; + int i; + + se.type = RRScreenChangeNotify + RREventBase; + se.rotation = (CARD8) (crtc ? crtc->rotation : RR_Rotate_0); + se.timestamp = pScrPriv->lastSetTime.milliseconds; + se.sequenceNumber = client->sequence; + se.configTimestamp = pScrPriv->lastConfigTime.milliseconds; + se.root = pRoot->drawable.id; + se.window = pWin->drawable.id; +#ifdef RENDER + se.subpixelOrder = PictureGetSubpixelOrder (pScreen); +#else + se.subpixelOrder = SubPixelUnknown; +#endif + + se.sequenceNumber = client->sequence; + if (mode) + { + se.sizeID = -1; + for (i = 0; i < output->numModes; i++) + if (mode == output->modes[i]) + { + se.sizeID = i; + break; + } + se.widthInPixels = mode->mode.width; + se.heightInPixels = mode->mode.height; + se.widthInMillimeters = mode->mode.mmWidth; + se.heightInMillimeters = mode->mode.mmHeight; + } + else + { + /* + * This "shouldn't happen", but a broken DDX can + * forget to set the current configuration on GetInfo + */ + se.sizeID = 0xffff; + se.widthInPixels = 0; + se.heightInPixels = 0; + se.widthInMillimeters = 0; + se.heightInMillimeters = 0; + } + WriteEventsToClient (client, 1, (xEvent *) &se); +} + +/* + * Notify the extension that the screen size has been changed. + * The driver is responsible for calling this whenever it has changed + * the size of the screen + */ +void +RRScreenSizeNotify (ScreenPtr pScreen) +{ + rrScrPriv(pScreen); + /* + * Deliver ConfigureNotify events when root changes + * pixel size + */ + if (pScrPriv->width == pScreen->width && + pScrPriv->height == pScreen->height) + return; + + pScrPriv->width = pScreen->width; + pScrPriv->height = pScreen->height; + pScrPriv->changed = TRUE; + + RRSendConfigNotify (pScreen); + RREditConnectionInfo (pScreen); + + /* + * Fix pointer bounds and location + */ + ScreenRestructured (pScreen); +} + +/* + * Request that the screen be resized + */ +Bool +RRScreenSizeSet (ScreenPtr pScreen, + CARD16 width, + CARD16 height, + CARD32 mmWidth, + CARD32 mmHeight) +{ + rrScrPriv(pScreen); + +#if RANDR_12_INTERFACE + if (pScrPriv->rrScreenSizeSet) + { + return (*pScrPriv->rrScreenSizeSet) (pScreen, + width, height, + mmWidth, mmHeight); + } +#endif +#if RANDR_10_INTERFACE + if (pScrPriv->rrSetConfig) + { + return TRUE; /* can't set size separately */ + } +#endif + return FALSE; +} + |