static void
RRMonitorGetCrtcGeometry(RRCrtcPtr crtc, RRMonitorGeometryPtr geometry)
{
ScreenPtr screen = crtc->pScreen;
rrScrPrivPtr pScrPriv = rrGetScrPriv(screen);
BoxRec panned_area;
/* Check to see if crtc is panned and return the full area when applicable. */
if (pScrPriv && pScrPriv->rrGetPanning &&
pScrPriv->rrGetPanning(screen, crtc, &panned_area, NULL, NULL) &&
(panned_area.x2 > panned_area.x1) &&
(panned_area.y2 > panned_area.y1)) {
geometry->box = panned_area;
}
else {
int width, height;
RRCrtcGetScanoutSize(crtc, &width, &height);
geometry->box.x1 = crtc->x;
geometry->box.y1 = crtc->y;
geometry->box.x2 = geometry->box.x1 + width;
geometry->box.y2 = geometry->box.y1 + height;
}
if (crtc->numOutputs && crtc->outputs[0]->mmWidth && crtc->outputs[0]->mmHeight) {
RROutputPtr output = crtc->outputs[0];
geometry->mmWidth = output->mmWidth;
geometry->mmHeight = output->mmHeight;
} else {
geometry->mmWidth = floor ((geometry->box.x2 - geometry->box.x1) / DEFAULT_PIXELS_PER_MM + 0.5);
geometry->mmHeight = floor ((geometry->box.y2 - geometry->box.y1) / DEFAULT_PIXELS_PER_MM + 0.5);
}
}
/*
* Find the CRTC nearest the specified position, ignoring 'skip'
*/
static void
RRPointerToNearestCrtc(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y,
RRCrtcPtr skip)
{
rrScrPriv(pScreen);
int c;
RRCrtcPtr nearest = NULL;
int best = 0;
int best_dx = 0, best_dy = 0;
for (c = 0; c < pScrPriv->numCrtcs; c++) {
RRCrtcPtr crtc = pScrPriv->crtcs[c];
RRModePtr mode = crtc->mode;
int dx, dy;
int dist;
int scan_width, scan_height;
if (!mode)
continue;
if (crtc == skip)
continue;
RRCrtcGetScanoutSize(crtc, &scan_width, &scan_height);
if (x < crtc->x)
dx = crtc->x - x;
else if (x > crtc->x + scan_width - 1)
dx = crtc->x + (scan_width - 1) - x;
else
dx = 0;
if (y < crtc->y)
dy = crtc->y - y;
else if (y > crtc->y + scan_height - 1)
dy = crtc->y + (scan_height - 1) - y;
else
dy = 0;
dist = dx * dx + dy * dy;
if (!nearest || dist < best) {
nearest = crtc;
best_dx = dx;
best_dy = dy;
best = dist;
}
}
if (best_dx || best_dy)
(*pScreen->SetCursorPosition) (pDev, pScreen, x + best_dx, y + best_dy,
TRUE);
pScrPriv->pointerCrtc = nearest;
}
static Bool
RRCrtcContainsPosition(RRCrtcPtr crtc, int x, int y)
{
RRModePtr mode = crtc->mode;
int scan_width, scan_height;
if (!mode)
return FALSE;
RRCrtcGetScanoutSize(crtc, &scan_width, &scan_height);
if (crtc->x <= x && x < crtc->x + scan_width &&
crtc->y <= y && y < crtc->y + scan_height)
return TRUE;
return FALSE;
}
int
ProcRRGetCrtcInfo (ClientPtr client)
{
REQUEST(xRRGetCrtcInfoReq);
xRRGetCrtcInfoReply rep;
RRCrtcPtr crtc;
CARD8 *extra;
unsigned long extraLen;
ScreenPtr pScreen;
rrScrPrivPtr pScrPriv;
RRModePtr mode;
RROutput *outputs;
RROutput *possible;
int i, j, k, n;
int width, height;
BoxRec panned_area;
REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq);
VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess);
/* All crtcs must be associated with screens before client
* requests are processed
*/
pScreen = crtc->pScreen;
pScrPriv = rrGetScrPriv(pScreen);
mode = crtc->mode;
rep.type = X_Reply;
rep.status = RRSetConfigSuccess;
rep.sequenceNumber = client->sequence;
rep.length = 0;
rep.timestamp = pScrPriv->lastSetTime.milliseconds;
if (pScrPriv->rrGetPanning &&
pScrPriv->rrGetPanning (pScreen, crtc, &panned_area, NULL, NULL) &&
(panned_area.x2 > panned_area.x1) && (panned_area.y2 > panned_area.y1))
{
rep.x = panned_area.x1;
rep.y = panned_area.y1;
rep.width = panned_area.x2 - panned_area.x1;
rep.height = panned_area.y2 - panned_area.y1;
}
else
{
RRCrtcGetScanoutSize (crtc, &width, &height);
rep.x = crtc->x;
rep.y = crtc->y;
rep.width = width;
rep.height = height;
}
rep.mode = mode ? mode->mode.id : 0;
rep.rotation = crtc->rotation;
rep.rotations = crtc->rotations;
rep.nOutput = crtc->numOutputs;
k = 0;
for (i = 0; i < pScrPriv->numOutputs; i++)
for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
if (pScrPriv->outputs[i]->crtcs[j] == crtc)
k++;
rep.nPossibleOutput = k;
rep.length = rep.nOutput + rep.nPossibleOutput;
extraLen = rep.length << 2;
if (extraLen)
{
extra = malloc(extraLen);
if (!extra)
return BadAlloc;
}
else
extra = NULL;
outputs = (RROutput *) extra;
possible = (RROutput *) (outputs + rep.nOutput);
for (i = 0; i < crtc->numOutputs; i++)
{
outputs[i] = crtc->outputs[i]->id;
if (client->swapped)
swapl (&outputs[i], n);
}
k = 0;
for (i = 0; i < pScrPriv->numOutputs; i++)
for (j = 0; j < pScrPriv->outputs[i]->numCrtcs; j++)
if (pScrPriv->outputs[i]->crtcs[j] == crtc)
{
possible[k] = pScrPriv->outputs[i]->id;
if (client->swapped)
swapl (&possible[k], n);
k++;
}
if (client->swapped) {
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swapl(&rep.timestamp, n);
swaps(&rep.x, n);
swaps(&rep.y, n);
swaps(&rep.width, n);
swaps(&rep.height, n);
swapl(&rep.mode, n);
swaps(&rep.rotation, n);
swaps(&rep.rotations, n);
swaps(&rep.nOutput, n);
swaps(&rep.nPossibleOutput, n);
}
WriteToClient(client, sizeof(xRRGetCrtcInfoReply), (char *)&rep);
if (extraLen)
{
WriteToClient (client, extraLen, (char *) extra);
free(extra);
}
return Success;
}