42 lines
925 B
C++
42 lines
925 B
C++
#include "hgx11damage.h"
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// public
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hgx11damage::hgx11damage(unsigned short frameSkip)
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{
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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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while (_loop_m) {
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XNextEvent(_display_p, &_event_m);
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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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emit damageDetected();
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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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