diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/Screen.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/Screen.c | 428 |
1 files changed, 361 insertions, 67 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.c b/nx-X11/programs/Xserver/hw/nxagent/Screen.c index 2f70334d4..ec34eddb6 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/Screen.c +++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.c @@ -133,14 +133,6 @@ extern Pixmap nxagentIconPixmap; extern Pixmap nxagentIconShape; extern Bool useXpmIcon; -/* - * From randr/randr.c. - */ - -extern Bool RRGetInfo(ScreenPtr pScreen); -extern void RRSendConfigNotify(ScreenPtr pScreen); -extern void RREditConnectionInfo(ScreenPtr pScreen); - Window nxagentDefaultWindows[MAXSCREENS]; Window nxagentInputWindows[MAXSCREENS]; Window nxagentScreenSaverWindows[MAXSCREENS]; @@ -323,7 +315,7 @@ void nxagentMaximizeToFullScreen(ScreenPtr pScreen) XUnmapWindow(nxagentDisplay, nxagentIconWindow); */ /* -FIXME: We'll chech for ReparentNotify and LeaveNotify events after XReparentWindow() +FIXME: We'll check for ReparentNotify and LeaveNotify events after XReparentWindow() in order to avoid the session window is iconified. We could avoid the sesssion window is iconified when a LeaveNotify event is received, so this check would be unnecessary. @@ -1121,6 +1113,9 @@ Bool nxagentOpenScreen(int index, ScreenPtr pScreen, nxagentChangeOption(ViewportXSpan, nxagentOption(Width) - nxagentOption(RootWidth)); nxagentChangeOption(ViewportYSpan, nxagentOption(Height) - nxagentOption(RootHeight)); + /* store the user's preference provided via cmdline */ + nxagentOption(Xinerama) = !noPanoramiXExtension; + if (nxagentReconnectTrap == 0) { if (nxagentOption(Persistent)) @@ -2039,6 +2034,9 @@ N/A nxagentCompositeExtensionInit(); + /* We use this to get informed about RandR changes on the real display. + FIXME: It would probably be better to use an RRScreenChangeNotifyEvent here. */ + XSelectInput(nxagentDisplay, DefaultRootWindow(nxagentDisplay), StructureNotifyMask); #ifdef NXAGENT_TIMESTAMP @@ -2075,6 +2073,10 @@ Bool nxagentCloseScreen(int index, ScreenPtr pScreen) { int i; + #ifdef DEBUG + fprintf(stderr, "running nxagentCloseScreen()\n"); + #endif + for (i = 0; i < pScreen->numDepths; i++) { xfree(pScreen->allowedDepths[i].vids); @@ -3589,21 +3591,61 @@ Bool nxagentReconnectScreen(void *p0) return True; } -RRModePtr nxagentRRCustomMode = NULL; +/* FIXME: there must be such macros somewhere already...*/ +#define MAX(a,b) ((a) > (b)) ? (a) : (b); +#define MIN(a,b) ((a) < (b)) ? (a) : (b); + +/* intersect two rectangles */ +Bool intersect(int ax1, int ay1, unsigned int aw, unsigned int ah, + int bx1, int by1, unsigned int bw, unsigned int bh, + int *x, int *y, unsigned int *w, unsigned int *h) +{ + int tx1, ty1, tx2, ty2, ix, iy; + unsigned int iw, ih; + + int ax2 = ax1 + aw; + int ay2 = ay1 + ah; + int bx2 = bx1 + bw; + int by2 = by1 + bh; + + /* thanks to http://silentmatt.com/rectangle-intersection */ + + /* check if there's any intersection at all */ + if (ax2 < bx1 || bx2 < ax1 || ay2 < by1 || by2 < ay1) { + return FALSE; + } + + tx1 = MAX(ax1, bx1); + ty1 = MAX(ay1, by1); + tx2 = MIN(ax2, bx2); + ty2 = MIN(ay2, by2); + + ix = tx1 - ax1; + iy = ty1 - ay1; + iw = tx2 - tx1; + ih = ty2 - ty1; + + /* check if the resulting rectangle is feasible */ + if (iw <= 0 || ih <= 0) { + return FALSE; + } + *x = ix; + *y = iy; + *w = iw; + *h = ih; + return TRUE; +} int nxagentChangeScreenConfig(int screen, int width, int height, int mmWidth, int mmHeight) { ScreenPtr pScreen; - rrScrPrivPtr pScrPriv; - RROutputPtr output; - RRCrtcPtr crtc; - RRModePtr mode; - xRRModeInfo modeInfo; - char name[100]; - int r, c, m; - int refresh = 60; - int doNotify = 1; + /* FIXME: when is this needed? */ + int doNotify = TRUE; + int r; + #ifdef TEST + fprintf(stderr, "nxagentChangeScreenConfig: WindowTable[%d] is %p\n", screen, WindowTable[screen]); + #endif if (WindowTable[screen] == NULL) { return 0; @@ -3611,16 +3653,16 @@ int nxagentChangeScreenConfig(int screen, int width, int height, int mmWidth, in UpdateCurrentTime(); - if (nxagentGrabServerInfo.grabstate == SERVER_GRABBED) + if (nxagentGrabServerInfo.grabstate == SERVER_GRABBED && nxagentGrabServerInfo.client != NULL) { /* * If any client grabbed the server it won't expect that screen * configuration changes until it releases the grab. That could - * get an X error because available modes are chanded meanwhile. + * get an X error because available modes are changed meanwhile. */ #ifdef TEST - fprintf(stderr, "nxagentChangeScreenConfig: Cancel with grabbed server.\n"); + fprintf(stderr, "nxagentChangeScreenConfig: Cancel with grabbed server (grab held by %p).\n", nxagentGrabServerInfo.client); #endif return 0; @@ -3636,76 +3678,328 @@ int nxagentChangeScreenConfig(int screen, int width, int height, int mmWidth, in if (r != 0) { - pScrPriv = rrGetScrPriv(pScreen); + nxagentAdjustRandRXinerama(pScreen); + } + + if (doNotify) + { + RRScreenSizeNotify(pScreen); + } + +#ifdef DEBUG + fprintf(stderr, "nxagentChangeScreenConfig: Geometry: %d,%d %dx%d\n", nxagentOption(X), nxagentOption(Y),nxagentOption(Width),nxagentOption(Height)); + fprintf(stderr, "nxagentChangeScreenConfig: return %d\n", r); +#endif + + return r; +} - if (pScrPriv) +int nxagentAdjustRandRXinerama(ScreenPtr pScreen) +{ + rrScrPrivPtr pScrPriv; + RROutputPtr output; + xRRModeInfo modeInfo; + char name[100]; + int refresh = 60; + int width = nxagentOption(Width); + int height = nxagentOption(Height); + + pScrPriv = rrGetScrPriv(pScreen); + + if (pScrPriv) + { + int i, j; + int number = 0; + + XineramaScreenInfo *screeninfo = NULL; + + if (nxagentOption(Xinerama)) { + screeninfo = XineramaQueryScreens(nxagentDisplay, &number); +#ifdef DEBUG + if (number) { + fprintf(stderr, "nxagentAdjustRandRXinerama: XineramaQueryScreens() returned %d screens\n", number); + } + else + { + fprintf(stderr, "nxagentAdjustRandRXinerama: XineramaQueryScreens() failed - continuing without xinerama\n"); + } + } + else + { + fprintf(stderr, "nxagentAdjustRandRXinerama: Xinerama is disabled\n"); +#endif + } + + /* + * if there's no xinerama on the real server or xinerama is + * disabled in nxagent we only report one big screen. Clients + * still see xinerama enabled but it will report only one (big) + * screen. This is consistent with the way rrxinerama always + * behaved. The single PanoramiX/Xinerama extension however + * disables xinerama if only one screen exists. + */ + if (number == 0) { + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: faking xinerama\n" ); + #endif + number = 1; + + if (screeninfo) { + xfree(screeninfo); + } + if (!(screeninfo = xalloc(sizeof(XineramaScreenInfo)))) { + return FALSE; + } + + /* fake a xinerama screeninfo that covers the whole screen */ + screeninfo->x_org = nxagentOption(X); + screeninfo->y_org = nxagentOption(Y); + screeninfo->width = nxagentOption(Width); + screeninfo->height = nxagentOption(Height); + } + +#ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: numCrtcs = %d, numOutputs = %d\n", pScrPriv->numCrtcs, pScrPriv->numOutputs); { - output = RRFirstOutput(pScreen); + Bool rrgetinfo; - if (output && output -> crtc) + /* + * Convert old RANDR 1.0 data (if any) to current structure. This + * is needed once at the first run of this function. If we don't + * do this here it will be done implicitely later and add mode(s) to + * our crtc(s)! + */ + rrgetinfo = RRGetInfo(pScreen); + + fprintf(stderr, "nxagentAdjustRandRXinerama: RRGetInfo returned %d\n", rrgetinfo); + } +#else + /* we are not interested in the return code */ + RRGetInfo(pScreen); +#endif + + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: numCrtcs = %d, numOutputs = %d\n", pScrPriv->numCrtcs, pScrPriv->numOutputs); + #endif + + /* adjust the number of CRTCs to match the number of reported + xinerama screens on the real server */ + while (number != pScrPriv->numCrtcs) { + if (number < pScrPriv->numCrtcs) { + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: destroying crtc\n"); + #endif + RRCrtcDestroy(pScrPriv->crtcs[pScrPriv->numCrtcs - 1]); + } + else { - crtc = output -> crtc; + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: adding crtc\n"); + #endif + RRCrtcCreate(pScreen, NULL); + } + } - for (c = 0; c < pScrPriv -> numCrtcs; c++) - { - RRCrtcSet(pScrPriv -> crtcs[c], NULL, 0, 0, RR_Rotate_0, 0, NULL); + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: numCrtcs = %d, numOutputs = %d\n", pScrPriv->numCrtcs, pScrPriv->numOutputs); + #endif + + /* set gamma. Currently the only reason for doing this is + preventing the xrandr command from complaining about missing + gamma. */ + for (i = 0; i < pScrPriv->numCrtcs; i++) { + if (pScrPriv->crtcs[i]->gammaSize == 0) { + CARD16 gamma = 0; + RRCrtcGammaSetSize(pScrPriv->crtcs[i], 1); + RRCrtcGammaSet(pScrPriv->crtcs[i], &gamma, &gamma, &gamma); + RRCrtcGammaNotify(pScrPriv->crtcs[i]); + } + } + + /* delete superfluous non-NX outputs */ + for (i = pScrPriv->numOutputs - 1; i >= 0; i--) { + if (strncmp(pScrPriv->outputs[i]->name, "NX", 2)) { + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: destroying output %s\n", pScrPriv->outputs[i]->name); + #endif + RROutputDestroy(pScrPriv->outputs[i]); + } + } + + /* at this stage only NX outputs are left - we delete the superfluous ones */ + for (i = pScrPriv->numOutputs - 1; i >= number; i--) { + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: destroying output %s\n", pScrPriv->outputs[i]->name); + #endif + RROutputDestroy(pScrPriv->outputs[i]); + } + + /* add and init outputs */ + for (i = 0; i < number; i++) { + if (i >= pScrPriv->numOutputs) { + sprintf(name, "NX%d", i+1); + output = RROutputCreate(pScreen, name, strlen(name), NULL); + /* will be done later + RROutputSetConnection(output, RR_Disconnected); + */ + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: created new output %s\n", name); + #endif + } + else + { + output = pScrPriv->outputs[i]; + } + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: adjusting output %s\n", pScrPriv->outputs[i]->name); + #endif + RROutputSetCrtcs(output, &(pScrPriv->crtcs[i]), 1); + /* FIXME: Isn't there a function for setting this? */ + output->crtc = pScrPriv->crtcs[i]; + /* FIXME: get SubPixelOrder from real X server */ + RROutputSetSubpixelOrder(output, SubPixelUnknown); + /* FIXME: What is the correct physical size here? */ + RROutputSetPhysicalSize(output, 0, 0); + } + + for (i = 0; i < pScrPriv->numOutputs; i++ ) { + Bool disable_output = FALSE; + RRModePtr mymode, prevmode; + int new_x, new_y; + unsigned int new_w, new_h; + + /* if there's no intersection disconnect the output */ + disable_output = !intersect(nxagentOption(X), nxagentOption(Y), + width, height, + screeninfo[i].x_org, screeninfo[i].y_org, + screeninfo[i].width, screeninfo[i].height, + &new_x, &new_y, &new_w, &new_h); + + RROutputSetCrtcs(pScrPriv->outputs[i], &(pScrPriv->crtcs[i]), 1); + + /* save previous mode */ + prevmode = pScrPriv->crtcs[i]->mode; + + if (disable_output) { + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: output %d: no (valid) intersection - disconnecting\n", i); + #endif + RROutputSetConnection(pScrPriv->outputs[i], RR_Disconnected); + + /* + * Tests revealed that some window managers (e.g. LXDE) also + * take disconnected outputs into account when calculating + * stuff like wallpaper tile size and maximum window + * size. This is problematic when the disconnected output is + * smaller than any of the connected ones. Solution: unset + * the mode of the output's crtc. This also leads to + * xinerama not showing the disconnected head anymore. + */ + RRCrtcSet(pScrPriv->crtcs[i], NULL, 0, 0, RR_Rotate_0, 1, &(pScrPriv->outputs[i])); + RROutputSetModes(pScrPriv->outputs[i], NULL, 0, 0); + if(prevmode) { + if(prevmode->refcnt == 1) + FreeResource(prevmode->mode.id, 0); } + } + else + { + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: crtc %d: intersection is x=%d, y=%d, width=%d, height=%d'\n", i, new_x, new_y, new_w, new_h); + #endif + RROutputSetConnection(pScrPriv->outputs[i], RR_Connected); memset(&modeInfo, '\0', sizeof(modeInfo)); - sprintf(name, "%dx%d", width, height); - - modeInfo.width = width; - modeInfo.height = height; - modeInfo.hTotal = width; - modeInfo.vTotal = height; - modeInfo.dotClock = ((CARD32) width * (CARD32) height * - (CARD32) refresh); + /* avoid collisions with pre-existing default modes by using a + separate namespace. If we'd simply use XxY we could not + distinguish between pre-existing modes which should stay + and our own modes that should be removed after use. */ + /*sprintf(name, "nx%d", i+1);*/ + /*sprintf(name, "%dx%d", new_w, new_h);*/ + sprintf(name, "nx_%dx%d", new_w, new_h); + + modeInfo.width = new_w; + modeInfo.height = new_h; + modeInfo.hTotal = new_w; + modeInfo.vTotal = new_h; + modeInfo.dotClock = ((CARD32) new_w * (CARD32) new_h * (CARD32) refresh); modeInfo.nameLength = strlen(name); - if (nxagentRRCustomMode != NULL) + mymode = RRModeGet(&modeInfo, name); + +#ifdef DEBUG + if (mymode) { + fprintf(stderr, "nxagentAdjustRandRXinerama: mode %s (%p) created/received, refcnt=%d\n", name, mymode, mymode->refcnt); + } + else { - RROutputDeleteUserMode(output, nxagentRRCustomMode); - FreeResource(nxagentRRCustomMode -> mode.id, 0); + fprintf(stderr, "nxagentAdjustRandRXinerama: mode %s creation failed!\n", name); + } +#endif - if (crtc != NULL && crtc -> mode == nxagentRRCustomMode) + if (prevmode) { + if (mymode == prevmode) { - RRCrtcSet(crtc, NULL, 0, 0, RR_Rotate_0, 0, NULL); + /* if they are the same RRModeGet() has increased the + refcnt by 1. We decrease it again by calling only + RRModeDestroy() and forget about prevmode */ + } else { + RROutputSetModes(pScrPriv->outputs[i], &mymode, 1, 0); + RRCrtcSet(pScrPriv->crtcs[i], mymode, new_x, new_y, RR_Rotate_0, 1, &(pScrPriv->outputs[i])); } - - #ifdef TEST - fprintf(stderr, "nxagentChangeScreenConfig: " - "Going to destroy mode %p with refcnt %d.\n", - nxagentRRCustomMode, nxagentRRCustomMode->refcnt); - #endif - - RRModeDestroy(nxagentRRCustomMode); + if(prevmode->refcnt == 1) + FreeResource(prevmode->mode.id, 0); + } + else + { + /* we do not have a previous mode, so there's no need to handle it here */ + RROutputSetModes(pScrPriv->outputs[i], &mymode, 1, 0); + RRCrtcSet(pScrPriv->crtcs[i], mymode, new_x, new_y, RR_Rotate_0, 1, &(pScrPriv->outputs[i])); } - nxagentRRCustomMode = RRModeGet(&modeInfo, name); - - RROutputAddUserMode(output, nxagentRRCustomMode); + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: mode %s (%p) added to output and crtc %d\n", name, mymode, i); + #endif + } /* if disable_output */ - RRCrtcSet(crtc, nxagentRRCustomMode, 0, 0, RR_Rotate_0, 1, &output); + RROutputChanged(pScrPriv->outputs[i], TRUE); + RRCrtcChanged(pScrPriv->crtcs[i], TRUE); + } - RROutputChanged(output, 1); + /* release allocated memory */ + if (screeninfo) { + xfree(screeninfo); + screeninfo = NULL; + } - doNotify = 0; +#ifdef DEBUG + for (i = 0; i < pScrPriv->numCrtcs; i++) { + RRModePtr mode = pScrPriv->crtcs[i]->mode; + if (mode) { + fprintf(stderr, "nxagentAdjustRandRXinerama: crtc %d has mode %s and %d outputs\n", i, pScrPriv->crtcs[i]->mode->name, pScrPriv->crtcs[i]->numOutputs); + } + else + { + fprintf(stderr, "nxagentAdjustRandRXinerama: crtc %d has no mode and %d outputs\n", i, pScrPriv->crtcs[i]->numOutputs); } - pScrPriv -> lastSetTime = currentTime; - - pScrPriv->changed = 1; - pScrPriv->configChanged = 1; + fprintf(stderr, "nxagentAdjustRandRXinerama: output[%d]->crtc=%p\n", i, pScrPriv->outputs[i]->crtc); } +#endif - if (doNotify -) - { - RRScreenSizeNotify(pScreen); - } + pScrPriv -> lastSetTime = currentTime; + + pScrPriv->changed = TRUE; + pScrPriv->configChanged = TRUE; } - return r; + /* FIXME: adjust maximum screen size according to remote randr/xinerama setup */ + + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: Min %dx%d, Max %dx%d \n", pScrPriv->minWidth,pScrPriv->minHeight,pScrPriv->maxWidth,pScrPriv->maxHeight); + #endif + + return TRUE; } void nxagentSaveAreas(PixmapPtr pPixmap, RegionPtr prgnSave, int xorg, int yorg, WindowPtr pWin) |