94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
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#include "blackwindow.h"
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#include <QColor>
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#include <QGuiApplication>
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#include <QPainter>
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#include <QScreen>
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#include <QTimer>
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#include <QX11Info>
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#include <QPaintEvent>
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#include <X11/Xatom.h>
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#include <X11/Xutil.h>
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#include <X11/Xlib.h>
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#include <xcb/xcb.h>
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BlackWindow::BlackWindow(QWidget *parent) : QWidget(parent)
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{
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setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint
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| Qt::X11BypassWindowManagerHint);
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setAttribute(Qt::WA_TranslucentBackground);
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setCursor(Qt::BlankCursor);
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//qApp->installNativeEventFilter(this);
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//installEventFilter(this);
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}
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void BlackWindow::paintEvent(QPaintEvent *event)
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{
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for(auto screen : QGuiApplication::screens())
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{
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QPainter painter(this);
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QColor cor = "#000000";
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painter.setBrush(cor);
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painter.drawRect(screen->geometry());
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}
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return QWidget::paintEvent(event);
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}
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void BlackWindow::laterActivate()
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{
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raise();
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}
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bool BlackWindow::eventFilter(QObject *obj, QEvent *event)
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{
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if(event->type() == QEvent::WindowDeactivate){
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QTimer::singleShot(50,this,SLOT(laterActivate()));
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}
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return false;
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}
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bool BlackWindow::nativeEventFilter(const QByteArray &eventType, void *message, long *result)
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{
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if (qstrcmp(eventType, "xcb_generic_event_t") != 0 || screensaverIsShow) {
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return false;
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}
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xcb_generic_event_t *event = reinterpret_cast<xcb_generic_event_t*>(message);
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const uint8_t responseType = event->response_type & ~0x80;
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if (responseType == XCB_CONFIGURE_NOTIFY) {
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xcb_configure_notify_event_t *xc = reinterpret_cast<xcb_configure_notify_event_t*>(event);
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if(xc->window == winId())
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return false;
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XWindowAttributes window_attributes;
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XGetWindowAttributes (QX11Info::display(), xc->window,&window_attributes);
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XClassHint ch;
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ch.res_name = NULL;
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ch.res_class = NULL;
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XGetClassHint (QX11Info::display(), xc->window, &ch);
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if(QString(ch.res_name) == "ukui-screensaver-dialog"){
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// screensaverIsShow = true;
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return false;
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}
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laterActivate();
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}else if(responseType == XCB_MAP_NOTIFY){
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xcb_map_notify_event_t *xm = reinterpret_cast<xcb_map_notify_event_t*>(event);
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if(xm->window == winId())
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return false;
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XWindowAttributes window_attributes;
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XGetWindowAttributes (QX11Info::display(), xm->window,&window_attributes);
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XClassHint ch;
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ch.res_name = NULL;
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ch.res_class = NULL;
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XGetClassHint (QX11Info::display(), xm->window, &ch);
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if(QString(ch.res_name) == "ukui-screensaver-dialog"){
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// screensaverIsShow = true;
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return false;
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}
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laterActivate();
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}
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return false;
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}
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