diff options
Diffstat (limited to 'src/x.cpp')
| -rw-r--r-- | src/x.cpp | 796 |
1 files changed, 0 insertions, 796 deletions
diff --git a/src/x.cpp b/src/x.cpp deleted file mode 100644 index ef43f08..0000000 --- a/src/x.cpp +++ /dev/null @@ -1,796 +0,0 @@ -#include "x.h" -#include "cvt.h" -#include <QDebug> - - -/////////////////////////////////////////////////////////////////////////////// -/////////////////////////////////////////////////////////////////////////////// -/////////////////////////////////////////////////////////////////////////////// - -enum class Projector { - No, - Yes, - Maybe -}; - -struct OutputInfo { - OutputInfo(RROutput id, XRROutputInfo *output, XRRCrtcInfo *crtc, XRRModeInfo *mode) - : output(output), crtc(crtc), mode(mode), id(id), position(-1), outputType(Projector::No) {} - ~OutputInfo() { - XRRFreeOutputInfo(output); - } - XRROutputInfo* output; - XRRCrtcInfo* crtc; - XRRModeInfo* mode; - RROutput id; - QString modelName; - QString outputName; - int position; - Projector outputType; -}; - -ScreenInfo::ScreenInfo(const OutputInfo *oi, const ModeMap &om) - : position(oi->position), name(oi->modelName), output(oi->outputName), - isProjector(oi->outputType == Projector::Yes) -{ - if (oi->mode != nullptr) { - currentResolution = QSize(QSize(int(oi->mode->width), int(oi->mode->height))); - } - for (int i = 0; i < oi->output->nmode; ++i) { - if (om.contains(oi->output->modes[i])) { - auto m = om.value(oi->output->modes[i]); - const QSize size(int(m->width), int(m->height)); - if (!modes.contains(size)) { - modes.append(size); - } - if (i == 0 && oi->output->npreferred > 0) { - preferredResolution = size; - } - } - } -} - -ScreenSetup * ScreenSetup::_instance = nullptr; - -ScreenSetup::ScreenSetup() : _screenResources(nullptr) -{ - // Get initial data (to be freed) - _display = XOpenDisplay(nullptr); - if (_display == nullptr) { - qFatal("Cannot open display"); - ::exit(1); - } - _EDID_ATOM = XInternAtom(_display, RR_PROPERTY_RANDR_EDID, False); - /* Get informations about Xserver */ - updateScreenResources(); - -} - -void ScreenSetup::freeResources() -{ - freeCrtcBackup(); - // Clear the modemap (nothing to be freed, stored in screenResources) - _modeMap.clear(); - _resolutions.clear(); - - // Clear output info - for (OutputInfo *output : _outputMap.values()) { - delete output; - } - _outputMap.clear(); - - // Clear crtc info - for (XRRCrtcInfo *info : _crtcMap.values()) { - XRRFreeCrtcInfo(info); - } - _crtcMap.clear(); - - // Release resources - if (_screenResources != nullptr) { - XRRFreeScreenResources(_screenResources); - _screenResources = nullptr; - } - XRRFreeScreenResources(_screenResources); -} - -static bool xRectLessThan(const OutputInfo* const &a, const OutputInfo* const &b) -{ - return a->crtc->x < b->crtc->x; -} - -static double toVertRefresh(const XRRModeInfo *mode) -{ - if (mode->hTotal > 0 && mode->vTotal > 0) - return (double(mode->dotClock) / (double(mode->hTotal) * double(mode->vTotal))); - return 0; -} - -/** - * Check list of known model names that falsely report a screen size or similar - */ -static QStringList initProjectorList() -{ - QStringList list; - list << "AT-HDVS-RX"; // Switchbox - // TODO: Load from file - return list; -} - -static bool isProjectorName(const QString &name) -{ - static QStringList projectors = initProjectorList(); - return projectors.contains(name); -} - -//___________________________________________________________________________ -void ScreenSetup::updateScreenResources() -{ - freeResources(); - _screenResources = XRRGetScreenResourcesCurrent(_display, DefaultRootWindow(_display)); - // Create the modemap - qDebug() << "Modes"; - for (int i = 0; i < _screenResources->nmode; ++i) { - _modeMap.insert( - _screenResources->modes[i].id, - &_screenResources->modes[i]); - qDebug() << _screenResources->modes[i].id << "\t" - << _screenResources->modes[i].width << "x" - << _screenResources->modes[i].height; - } - - /* - int num = 0; - XRRMonitorInfo *mi = XRRGetMonitors(_display, DefaultRootWindow(_display), True, &num); - for (int i = 0; i < num; ++i) { - char *name = XGetAtomName(_display, mi [i].name); - if (name == nullptr) - continue; - qDebug() << "some monitor with name" << name << mi[i].primary; - XFree(name); - } - */ - - // Create crtcMap - qDebug() << "CRTCs"; - for (int i = 0; i < _screenResources->ncrtc; ++i) { - XRRCrtcInfo * info = XRRGetCrtcInfo( - _display, - _screenResources, - _screenResources->crtcs[i]); - if (info == nullptr) { - qDebug() << "Error getting CRTC info for crtc" << i; - continue; - } - qDebug() << _screenResources->crtcs[i] << "-- Outputs:" << info->noutput << "Possible:" << info->npossible; - _crtcMap.insert(_screenResources->crtcs[i], info); - } - - // Create outputmap and connectedOutputMap - qDebug() << "Outputs"; - QHash<RROutput, QString> tempMap; - QMap<Projector, int> typeCount; - for (int i = 0; i < _screenResources->noutput; ++i) { - XRROutputInfo* info = XRRGetOutputInfo( - _display, - _screenResources, - _screenResources->outputs[i]); - if (info == nullptr) { - qDebug() << "Error getting info for output" << i; - continue; - } - const QString outputName = QString::fromLocal8Bit(info->name, info->nameLen); - tempMap.insert(_screenResources->outputs[i], outputName); - if (info->connection == RR_Disconnected) { - qDebug() << "Ignoring disconnected output" << outputName; - XRRFreeOutputInfo(info); - continue; - } - bool disconnected = false; - if (info->crtc == None) { - disconnected = true; - qDebug() << "Connected output" << outputName << "has no CRTC -- trying to find free one"; - info->crtc = getFreeCrtc(info); - } - if (!_crtcMap.contains(info->crtc)) { - qDebug() << "Have output" << outputName << "with no known crtc"; - XRRFreeOutputInfo(info); - continue; - } - XRRCrtcInfo *crtc = _crtcMap.value(info->crtc); - XRRModeInfo *mode = nullptr; - if (!disconnected) { - if (!_modeMap.contains(crtc->mode)) { - qDebug() << "Have output" << outputName << " with crtc with no known mode -- offline?"; - } else { - mode = _modeMap.value(crtc->mode); - } - } - OutputInfo *oi = new OutputInfo(_screenResources->outputs[i], info, crtc, mode); - oi->outputName = outputName; - if (!this->readEdid(oi)) { // We have no EDID - take it as an indicator that there's a dumb output split/switch box - oi->outputType = Projector::Maybe; - } else if ((info->mm_height == 0 && info->mm_width == 0) || isProjectorName(oi->modelName)) { - oi->outputType = Projector::Yes; // Screens with size 0x0 are projectors by convention - } else if (info->mm_width > 500 && info->mm_height > 500) { // Big screen - probably should be handled like a projector - oi->outputType = Projector::Yes; - } else if (info->mm_width > 350 && info->mm_height > 350) { // Somewhere in-between - oi->outputType = Projector::Maybe; - } - typeCount[oi->outputType]++; - _outputMap.insert(_screenResources->outputs[i], oi); - qDebug() << "Connected" << outputName << "-- Clones:" << info->nclone << "Modes:" << info->nmode << "Crtcs:" << info->ncrtc << "Preferred:" << info->npreferred; - } - // Final checks for projector - if (typeCount[Projector::Yes] == 0) { - // No definitive projector - if (typeCount[Projector::Maybe] > 0 && typeCount[Projector::No] > 0) { - // Potential projector(s) and normal screen, promote - for (OutputInfo *info : _outputMap) { - if (info->outputType == Projector::Maybe) { - info->outputType = Projector::Yes; - break; - } - } - } - } - // Print mappings - for (XRRCrtcInfo *info : _crtcMap) { - qDebug() << info << ":"; - for (int i = 0; i < info->npossible; ++i) { - qDebug() << "Possible:" << tempMap[info->possible[i]]; - } - } - // Determine each screen's position - QList<OutputInfo*> screens = _outputMap.values(); - // Nothing connected? - if (screens.isEmpty()) - return; - qSort(screens.begin(), screens.end(), xRectLessThan); - int endX = -0xffff; - qDebug() << "From left to right"; - for (OutputInfo* output : screens) { - if (output->mode == nullptr) { - qDebug() << "(Ignoring" << output->outputName << "since it's disconnected)"; - } - if (output->crtc->x >= endX) { - QSize res(0, 0); - if (_modeMap.contains(output->crtc->mode)) { - auto mode = _modeMap.value(output->crtc->mode); - res = QSize(int(mode->width), int(mode->height)); - } - _resolutions.append(res); - endX = -0xffff; // Reset - } - output->position = _resolutions.size() - 1; - qDebug() << "Screen (" << output->crtc->x << "," << output->crtc->y << ") @" << output->crtc->width << "x" << output->crtc->height << "as screen" << output->position; - if (output->crtc->x + int(output->crtc->width) > endX) { - endX = output->crtc->x + int(output->crtc->width); - } - } - qDebug() << "Loaded."; -} - -QMap<QString, ScreenInfo> ScreenSetup::getScreenPositions() const -{ - QMap<QString, ScreenInfo> ret; - for (auto oi : _outputMap) { - ret.insert(oi->outputName, ScreenInfo(oi, _modeMap)); - } - return ret; -} - - - -bool ScreenSetup::readEdid(OutputInfo* output) -{ - int numProps = 0; - bool found = false; - Atom* properties = XRRListOutputProperties(_display, output->id, &numProps); - for (int i = 0; i < numProps; ++i) { - if (properties[i] == _EDID_ATOM) { - found = true; - break; - } - } - XFree(properties); - if (!found) - return false; - - unsigned long nitems, bytes_after; - unsigned char *prop; - int actual_format; - Atom actual_type; - bool valid; - - XRRGetOutputProperty(_display, output->id, _EDID_ATOM, - 0, 128, False, False, - AnyPropertyType, - &actual_type, &actual_format, - &nitems, &bytes_after, &prop); - valid = (actual_format == 8 && nitems >= 128); - - if (valid) { - int idx; - for (unsigned char *byte = prop + 54; byte < prop + 126; byte += 18) { - if (byte[0] != 0 || byte[1] != 0 || byte[2] != 0) - continue; // Not a text block - if (byte[3] == 0xfc) { // Serial number - output->modelName = QString::fromLatin1(reinterpret_cast<const char*>(byte) + 5, 13); // It's actually CP-437 but meh - if ((idx = output->modelName.indexOf('\r')) != -1) { - output->modelName.truncate(idx); - } - output->modelName = output->modelName.trimmed(); - qDebug() << "Display name:" << output->modelName; - } - } - } - XFree(prop); - return valid; -} - -/** - * Create common modes and add them to all outputs. - * Make sure every output has some variant of the most commonly - * used modes. - */ -void ScreenSetup::initModes() -{ - // First copy typical resolutions to all outputs -#define RES(x,y) (((y) << 16) | (x)) - QSet<quint32> wanted; - wanted << RES(1280, 720) << RES(1280, 800) << RES(1920, 1080); - for (XRRModeInfo *mode : _modeMap) { - if (toVertRefresh(mode) < 58 || toVertRefresh(mode) > 61) - continue; // Play it safe and consider only those for copying that are 60Hz - wanted.remove(RES(mode->width, mode->height)); - // Make sure all outputs got it - for (OutputInfo *info : _outputMap) { - if (getOutputModeForResolution(info->output, mode->width, mode->height)) - continue; - XRRAddOutputMode(_display, info->id, mode->id); - } - } -#undef RES - // Create those that no output supported - for (auto res : wanted) { - unsigned int x = res & 0xffff; - unsigned int y = res >> 16; - createMode(x, y, 60, QString::asprintf("%ux%u", x, y)); - } - if (!wanted.isEmpty()) { - updateScreenResources(); - } - // Finally copy all those the projector supports to other outputs - for (auto key : _outputMap.keys()) { - OutputInfo *oi = _outputMap[key]; - if (oi->outputType == Projector::Yes) { - copyModesToAll(key, oi->output->nmode); - } - } - updateScreenResources(); -} - -XRRModeInfo* ScreenSetup::getPreferredMode(OutputInfo *oi) const -{ - if (oi->output->nmode == 0) { - qDebug() << "getPreferredMode: Output" << oi->outputName << "has no modes!?"; - return nullptr; // WTF!? - } - RRMode mode; - if (oi->output->npreferred > 0) { - mode = oi->output->modes[0]; - } else { - mode = getOutputModeForResolution(oi->output, 1920, 1080); - if (mode == None) { - mode = getOutputModeForResolution(oi->output, 1280, 720); - } - if (mode == None) { - mode = getOutputModeForResolution(oi->output, 1280, 800); - } - if (mode == None) { - mode = oi->output->modes[0]; - } - } - if (!_modeMap.contains(mode)) - return nullptr; - return _modeMap[mode]; -} - -QList<QSize> ScreenSetup::getTotalSize(const QList<OutputInfo*> &projectors, const QList<OutputInfo*> &screens) const -{ - const int max = qMax(screens.size(), projectors.size()); - QList<QSize> modes; - for (int i = 0; i < max; ++i) { - XRRModeInfo *mode = nullptr; - if (i < projectors.size()) { - mode = getPreferredMode(projectors.at(i)); - } - if (mode == nullptr && i < screens.size()) { - mode = getPreferredMode(screens.at(i)); - } - if (mode != nullptr) { - modes.append(QSize(int(mode->width), int(mode->height))); - } - } - return modes; -} - -static QSize getTotalSizeHorz(const QList<QSize> &list) -{ - QSize ret(0, 0); - for (auto e : list) { - ret.rwidth() += e.width(); - ret.rheight() = qMax(ret.height(), e.height()); - } - return ret; -} - -bool ScreenSetup::setOutputResolution(OutputInfo *oi, int x, int y, const QSize &size, bool dryRun) -{ - RRMode mode = getOutputModeForResolution(oi->output, size); - if (mode == None) { - qDebug() << "Cannot set" << oi->outputName << "to" << size << " since it's not supported"; - if (oi->output->nmode == 0) - return false; - qDebug() << "falling back to its default"; - mode = oi->output->modes[0]; - } - if (!dryRun) { - XRRSetCrtcConfig(_display, - _screenResources, - oi->output->crtc, - CurrentTime, - x, y, mode, - RR_Rotate_0, - &oi->id, 1); - } - qDebug() << "Set" << oi->outputName << "to" << _modeMap[mode]->width << "x" << _modeMap[mode]->height << "-- offset" << x << "/" << y; - return true; -} - -ScreenMode ScreenSetup::getCurrentMode() -{ - bool notAtOrigin = false; - for (auto oi : _outputMap) { - if (oi->mode != nullptr) { - if (oi->crtc->x != 0 || oi->crtc->y != 0) { - notAtOrigin = true; - } - } - } - if (_outputMap.size() == 1) - return ScreenMode::Single; - if (_outputMap.size() > 2) - return ScreenMode::Advanced; - if (notAtOrigin) - return ScreenMode::Dual; - return ScreenMode::Clone; -} - -ScreenMode ScreenSetup::setDefaultMode(bool dryRun) -{ - if (_outputMap.size() == 1) // Only one output exists, do nothing - return ScreenMode::Single; - QMap<QString, OutputInfo*> screenMap; - QMap<QString, OutputInfo*> projectorMap; - for (auto o : _outputMap) { - qDebug() << o->outputName << quint32(o->outputType); - if (o->outputType == Projector::Yes) { - projectorMap.insert(o->outputName, o); - } else { - screenMap.insert(o->outputName, o); - } - } - auto projectors = projectorMap.values(); - auto screens = screenMap.values(); - qDebug() << projectors.size() << "projectors," << screens.size() << "screens."; - QList<QSize> outputSizes = getTotalSize(projectors, screens); - if (outputSizes.isEmpty()) - return ScreenMode::Advanced; // Dunno lol - QSize screenSize = getTotalSizeHorz(outputSizes); - if (!dryRun) { - XGrabServer(_display); - disconnectAllCrtcs(); - // Set new screen size - setScreenSize(screenSize); - } - - qDebug() << "Virtual size:" << screenSize << "with" << outputSizes.size() << "different screens."; - - int offset = 0; - for (int i = 0; i < outputSizes.size(); ++i) { - const QSize &size = outputSizes.at(i); - if (i < projectors.size()) { - setOutputResolution(projectors.at(i), offset, 0, size, dryRun); - } - if (i < screens.size()) { - setOutputResolution(screens.at(i), offset, 0, size, dryRun); - } - offset += size.width(); - } - if (!dryRun) { - XUngrabServer(_display); - XSync(_display, False); - } - updateScreenResources(); // Re-Read - if (outputSizes.size() == 1) // One output size, at least 2 outputs in total -- clone mode - return ScreenMode::Clone; - if (outputSizes.size() == 2 && _outputMap.size() == 2) // Two outputs, two sizes -- extended - return ScreenMode::Dual; - return ScreenMode::Advanced; // Must be more than 2 outputs -> something more involved -} - -/** - * Copy first "num" modes from output to all other outputs if they - * dont have a suitable mode yet. - */ -void ScreenSetup::copyModesToAll(RROutput sourceId, int num) -{ - const XRROutputInfo *outputInfo = _outputMap[sourceId]->output; - for (int i = 0; i < num; ++i) { - if (!_modeMap.contains(outputInfo->modes[i])) { - qDebug() << "BUG: Mode" << outputInfo->modes[i] << "not found in copyModesToAll"; - continue; - } - const XRRModeInfo *mode = _modeMap[outputInfo->modes[i]]; - for (auto other : _outputMap.keys()) { - if (other == sourceId) - continue; - const XRROutputInfo *otherInfo = _outputMap[other]->output; - if (getOutputModeForResolution(otherInfo, mode->width, mode->height) != None) - continue; - XRRAddOutputMode(_display, other, outputInfo->modes[i]); - } - } -} - -/** - * Get the RRMode for the specified output matching the given resolution. - * If multiple modes match the given resolution, the function will - * return the first matching preferred mode. If no preferred - * mode matches, the non-preferred mode with the highest refresh rate - * will be returned. - * Otherwise, None will be returned. - */ -RRMode ScreenSetup::getOutputModeForResolution(const XRROutputInfo *output, unsigned int width, unsigned int height) const -{ - XRRModeInfo *retval = nullptr; - for (int i = 0; i < output->nmode; ++i) { - if (!_modeMap.contains(output->modes[i])) - continue; - XRRModeInfo *info = _modeMap[output->modes[i]]; - if (info->width == width && info->height == height) { - if (i < output->npreferred) - return output->modes[i]; - if (retval == nullptr || retval->dotClock < info->dotClock) { - retval = info; - } - } - } - return retval == nullptr ? None : retval->id; -} - -RRMode ScreenSetup::getOutputModeForResolution(const XRROutputInfo *output, const QSize &resolution) const -{ - return getOutputModeForResolution(output, static_cast<unsigned int>(resolution.width()), static_cast<unsigned int>(resolution.height())); -} - -RRCrtc ScreenSetup::getFreeCrtc(const XRROutputInfo* output) const -{ - for (int i = 0; i < output->ncrtc; ++i) { - RRCrtc c = output->crtcs[i]; - if (!_crtcMap.contains(c)) { - // Unknown CRTC!? Scan already known outputs - qDebug() << "BUG: Output has unknown possible CRTC"; - for (auto oi : _outputMap) { - if (oi->output->crtc == c) - goto next; - } - } else { - // Known CRTC -- see if free - if (_crtcMap[c]->noutput > 0) - goto next; - } - return c; -next:; - } - return None; -} - -//___________________________________________________________________________ -bool ScreenSetup::createMode(unsigned int resX, unsigned int resY, float refresh, QString name) -{ - QByteArray ba = name.toLocal8Bit(); - mode *mode = vert_refresh(int(resX), int(resY), refresh, 0, 0, 0); - if (mode == nullptr) - return false; - XRRModeInfo m; - m.width = static_cast<unsigned int>(mode->hr); - m.height = static_cast<unsigned int>(mode->vr); - m.dotClock = static_cast<unsigned long>(mode->pclk) * 1000ul * 1000ul; - m.hSyncStart= static_cast<unsigned int>(mode->hss); - m.hSyncEnd = static_cast<unsigned int>(mode->hse); - m.hTotal = static_cast<unsigned int>(mode->hfl); - m.hSkew = 0; - m.vSyncStart= static_cast<unsigned int>(mode->vss); - m.vSyncEnd = static_cast<unsigned int>(mode->vse); - m.vTotal = static_cast<unsigned int>(mode->vfl); - m.id = 0; - m.name = ba.data(); - m.nameLength = static_cast<unsigned int>(ba.length()); - free(mode); - - for (XRRModeInfo *mode : _modeMap) { - if (mode->width == m.width && mode->height == m.height && mode->dotClock == m.dotClock) - return true; // Already exists, return true? - } - - RRMode xid = XRRCreateMode(_display, DefaultRootWindow(_display), &m); - qDebug() << "Return value of create was" << xid; - // Immediately add to all screens - for (OutputInfo *info : _outputMap) { - XRRAddOutputMode(_display, info->id, xid); - } - return true; -} - -//___________________________________________________________________________ -ScreenSetup::~ScreenSetup() -{ - freeResources(); - XCloseDisplay(_display); -} - -void ScreenSetup::setScreenSize(const QSize &size) -{ - XRRSetScreenSize(_display, DefaultRootWindow(_display), - size.width(), size.height(), - int(25.4 * size.width() / 96.0), // standard dpi that X uses - int(25.4 * size.height() / 96.0)); // standard dpi that X uses -} - -void ScreenSetup::disconnectAllCrtcs() -{ - // Disconnect everything - for (auto crtc : _crtcMap.keys()) { - XRRSetCrtcConfig(_display, _screenResources, crtc, CurrentTime, - 0, 0, None, RR_Rotate_0, nullptr, 0); - } -} - -void ScreenSetup::freeCrtcBackup() -{ - for (auto entry : _crtcBackup) { - free(entry->outputs); - free(entry); - } - _crtcBackup.clear(); - qDebug() << "CRTC freed"; -} - -void ScreenSetup::createCrtcBackup() -{ - freeCrtcBackup(); - for (CrtcMap::iterator it = _crtcMap.begin(); it != _crtcMap.end(); ++it) { - const auto src = it.value(); - XRRCrtcInfo *copy = static_cast<XRRCrtcInfo*>(calloc(1, sizeof(XRRCrtcInfo))); - copy->outputs = static_cast<RROutput*>(calloc(size_t(src->noutput), sizeof(RROutput))); - copy->x = src->x; - copy->y = src->y; - copy->mode = src->mode; - copy->rotation = src->rotation; - copy->noutput = src->noutput; - for (int i = 0; i < src->noutput; ++i) { - copy->outputs[i] = src->outputs[i]; - } - _crtcBackup[it.key()] = copy; - } - qDebug() << "Created CRTC backup with entries:" << _crtcBackup.size(); -} - -bool ScreenSetup::setClone(const QSize &resolution) -{ - createCrtcBackup(); - XGrabServer(_display); - disconnectAllCrtcs(); - setScreenSize(resolution); - bool ok = false; - for (auto oi : _outputMap) { - ok = setOutputResolution(oi, 0, 0, resolution) || ok; - } - XUngrabServer(_display); - XSync(_display, False); - return ok; -} - -bool ScreenSetup::setCustom(const QList<QPair<QSize, QList<QString>>> &list) -{ - QList<QSize> sizes; - for (auto e : list) { - if (e.second.isEmpty()) - continue; - sizes.append(e.first); - } - if (sizes.isEmpty()) - return false; - createCrtcBackup(); - auto screenSize = getTotalSizeHorz(sizes); - if (screenSize.isEmpty()) - return false; - XGrabServer(_display); - disconnectAllCrtcs(); - setScreenSize(screenSize); - int x = 0; - bool ok = false; - for (auto e : list) { - if (e.second.isEmpty()) - continue; - const QSize &res = e.first; - for (auto outputName : e.second) { - for (auto oi : _outputMap) { - if (oi->outputName != outputName) - continue; - ok = setOutputResolution(oi, x, 0, res) || ok; - } - } - x += res.width(); - } - XUngrabServer(_display); - XSync(_display, False); - return ok; -} - -void ScreenSetup::revertChanges() -{ - if (_crtcBackup.isEmpty()) - return; - qDebug() << "Starting revert"; - XGrabServer(_display); - disconnectAllCrtcs(); - QSize screenSize; - for (auto e : _crtcBackup) { - if (e->mode == None || !_modeMap.contains(e->mode)) - continue; - screenSize = screenSize.expandedTo(QSize(e->x + int(_modeMap[e->mode]->width), e->y + int(_modeMap[e->mode]->height))); - } - for (CrtcMap::iterator it = _crtcBackup.begin(); it != _crtcBackup.end(); ++it) { - auto e = it.value(); - if (e->mode == None) - continue; - XRRSetCrtcConfig(_display, _screenResources, it.key(), CurrentTime, - e->x, e->y, e->mode, e->rotation, e->outputs, e->noutput); - } - XUngrabServer(_display); - XSync(_display, False); -} - -static bool modeBiggerThan(const QSize &a, const QSize &b) -{ - if (a.width() > b.width()) - return true; - return a.width() == b.width() && a.height() > b.height(); -} - -ResolutionVector ScreenSetup::getCommonModes() const -{ - QHash<QPair<quint32, quint32>, QSet<RROutput>> matches; - for (auto oi : _outputMap) { - for (int i = 0; i < oi->output->nmode; ++i) { - if (!_modeMap.contains(oi->output->modes[i])) - continue; - const auto mode = _modeMap[oi->output->modes[i]]; - const QPair<quint32, quint32> pair = qMakePair(mode->width, mode->height); - matches[pair].insert(oi->id); - } - } - ResolutionVector ret; - for (auto it = matches.begin(); it != matches.end(); ++it) { - if (it.value().size() == _outputMap.size()) { - ret.append(QSize(int(it.key().first), int(it.key().second))); - } - } - qSort(ret.begin(), ret.end(), modeBiggerThan); - return ret; -} - - |