diff options
-rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/Screen.c | 97 |
1 files changed, 81 insertions, 16 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Screen.c b/nx-X11/programs/Xserver/hw/nxagent/Screen.c index 628bf990a..cc44c1b7a 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/Screen.c +++ b/nx-X11/programs/Xserver/hw/nxagent/Screen.c @@ -3642,6 +3642,11 @@ Bool intersect(int ax1, int ay1, unsigned int aw, unsigned int ah, /* check if there's any intersection at all */ if (ax2 < bx1 || bx2 < ax1 || ay2 < by1 || by2 < ay1) { + + #ifdef DEBUG + fprintf(stderr, "intersect: the given rectangles do not intersect at all\n"); + #endif + return FALSE; } @@ -3657,12 +3662,22 @@ Bool intersect(int ax1, int ay1, unsigned int aw, unsigned int ah, /* check if the resulting rectangle is feasible */ if (iw <= 0 || ih <= 0) { + + #ifdef DEBUG + fprintf(stderr, "intersect: intersection rectangle not feasible\n"); + #endif + return FALSE; } *x = ix; *y = iy; *w = iw; *h = ih; + + #ifdef DEBUG + fprintf(stderr, "intersect: intersection is: ([%d],[%d]) [ %d x %d ]\n", *x, *y, *w, *h); + #endif + return TRUE; } @@ -3674,24 +3689,73 @@ Bool intersect_bb(int ax1, int ay1, unsigned int aw, unsigned int ah, int bbx1, int bby1, int bbx2, int bby2, int *x, int *y, unsigned int *w, unsigned int *h) { + + #ifdef DEBUG + fprintf(stderr, "intersect_bb: session window: ([%d],[%d]) [ %d x %d ]\n", ax1, ay1, aw, ah); + fprintf(stderr, "intersect_bb: crtc: ([%d],[%d]) [ %d x %d ]\n", bx1, by1, bw, bh); + fprintf(stderr, "intersect_bb: bounding box: ([%d],[%d]) [ %d x %d ]\n", bbx1, bby1, bbx2-bbx1, bby2-bby1); + #endif + Bool result = intersect(ax1, ay1, aw, ah, bx1, by1, bw, bh, x, y, w, h); + if (result == TRUE) { - /* check if outside of bounding box */ - if (ax1 < bbx1 || ax1 + aw > bbx2) { + + /* + * ###### The X-Coordinate ###### + */ + + /* check if outside-left of bounding box */ + if (bx1 == bbx1 && ax1 < bbx1) { + + *w += bbx1 - ax1; + *x = 0; + + #ifdef DEBUG + fprintf(stderr, "intersect_bb: session box is outside-left of the bounding box - width gets adapted to [%d]\n", *w); + #endif + + + } + + /* check if outside-right of bounding box */ + if (bx1 + bw == bbx2 && ax1 + aw > bbx2) { + + *w += ax1 + aw - bbx2; + #ifdef DEBUG - fprintf(stderr, "intersect: box has parts outside bounding box - width stays unchanged [%d]\n", aw); + fprintf(stderr, "intersect_bb: session box is outside-right of the bounding box - width gets adapted to [%d]\n", *w); #endif - *w = aw; + } - if (ay1 < bby1 || ay1 + ah > bby2) { + /* + * ###### The Y-Coordinate ###### + */ + + /* check if outside-above of bounding box */ + if (by1 == bby1 && ay1 < bby1) { + + *h += bby1 - ay1; + *y = 0; + #ifdef DEBUG - fprintf(stderr, "intersect: box has parts outside bounding box - height stays unchanged [%d]\n", ah); + fprintf(stderr, "intersect_bb: session box is outside-above of the bounding box - height gets adapted to [%d]\n", *h); #endif - *h = ah; + } - } + /* check if outside-below of bounding box */ + if (by1 + bh == bby2 && ay1 + ah > bby2) { + + *h += ay1 + ah - bby2; + + #ifdef DEBUG + fprintf(stderr, "intersect_bb: session box is outside-below of the bounding box - height gets adapted to [%d]\n", *h); + #endif + + } + + } return result; } #endif @@ -4057,8 +4121,10 @@ int nxagentAdjustRandRXinerama(ScreenPtr pScreen) 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; + int new_x = 0; + int new_y = 0; + unsigned int new_w = 0; + unsigned int new_h = 0; /* if ((nxagentOption(X) < bbx1 || (nxagentOption(X) + width >= bbx2 )) { @@ -4186,15 +4252,14 @@ int nxagentAdjustRandRXinerama(ScreenPtr pScreen) fprintf(stderr, "nxagentAdjustRandRXinerama: setting mode [%s] ([%p]) refcnt [%d] for output %d [%s]\n", mymode->name, (void *) mymode, mymode->refcnt, i, pScrPriv->outputs[i]->name); #endif RROutputSetModes(pScrPriv->outputs[i], &mymode, 1, 0); - - #ifdef DEBUG - fprintf(stderr, "nxagentAdjustRandRXinerama: setting mode [%s] ([%p]) refcnt [%d] for crtc %d\n", mymode->name, (void *) mymode, mymode->refcnt, i); - #endif - RRCrtcSet(pScrPriv->crtcs[i], mymode, new_x, new_y, RR_Rotate_0, 1, &(pScrPriv->outputs[i])); - } } /* if disable_output */ + #ifdef DEBUG + fprintf(stderr, "nxagentAdjustRandRXinerama: setting mode [%s] ([%p]) refcnt [%d] for crtc %d\n", mymode->name, (void *) mymode, mymode->refcnt, i); + #endif + RRCrtcSet(pScrPriv->crtcs[i], mymode, new_x, new_y, RR_Rotate_0, 1, &(pScrPriv->outputs[i])); + /* throw away the mode if otherwise unused. We do not need it anymore. We call FreeResource() to ensure the system will not try to free it again on shutdown */ |