Tobias J. Endres
8ff291c4b4
Added qDebug() statements to trace the execution flow and print out important values in the damage monitoring thread. This will help to identify if X11 damage events are being received.
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#include "hgx11damage.h"
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// public
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hgx11damage::hgx11damage(QWaitCondition * grabbed, unsigned short frameSkip)
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{
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_grabbed_p = grabbed;
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_frameSkip_m = frameSkip;
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_display_p = XOpenDisplay(nullptr);
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if(_display_p == nullptr){
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qCritical() << "Failed to open X11 display";
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return;
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}
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_damage_m = XDamageCreate(_display_p, DefaultRootWindow(_display_p), XDamageReportNonEmpty);
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}
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hgx11damage::~hgx11damage()
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{
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_loop_m = false;
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if (_damage_m) {
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XDamageDestroy(_display_p, _damage_m);
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}
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}
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// protected
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void hgx11damage::_monitor()
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{
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if(_display_p == nullptr){
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return;
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}
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qDebug() << "Monitoring for X11 damage events.";
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while (_loop_m) {
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XNextEvent(_display_p, &_event_m);
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qDebug() << "X11 event received:" << _event_m.type;
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if (_frameCount_m++ < _frameSkip_m) {
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XDamageSubtract(_display_p ,_damage_m, None, None);
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continue;
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}
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_mutex_m.lock();
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emit damageDetected();
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_grabbed_p->wait(&_mutex_m);
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_mutex_m.unlock();
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XDamageSubtract(_display_p ,_damage_m, None, None);
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_frameCount_m = 0;
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}
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}
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