71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
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#include "CursorController.h"
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#include <QWidget>
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#include <QCursor>
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#include <QApplication>
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#include <QScreen>
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#include <QMouseEvent>
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#include <QDebug>
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CursorController::CursorController(QObject *parent)
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: QObject(parent)
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{
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// 判断能否真正移动系统光标
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m_useRealCursor = QGuiApplication::platformName() != "eglfs"
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&& QGuiApplication::platformName() != "linuxfb"
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&& QGuiApplication::platformName() != "minimal";
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if (!m_useRealCursor)
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m_pos = QGuiApplication::primaryScreen()->geometry().center();
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else
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m_pos = QCursor::pos();
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}
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void CursorController::handleKey(int key)
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{
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QPoint delta;
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switch (key) {
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case Qt::Key_Up: delta = QPoint(0, -cfg.step); break;
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case Qt::Key_Down: delta = QPoint(0, cfg.step); break;
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case Qt::Key_Left: delta = QPoint(-cfg.step, 0); break;
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case Qt::Key_Right: delta = QPoint( cfg.step, 0); break;
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case Qt::Key_Return:
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case Qt::Key_Space:
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if (cfg.emulate) emulateClick();
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return;
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default: return;
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}
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move(delta);
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}
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void CursorController::move(const QPoint &delta)
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{
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QRect desk = QGuiApplication::primaryScreen()->geometry();
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m_pos += delta;
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if (cfg.wrap) {
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m_pos.setX(((m_pos.x() - desk.left()) % desk.width() + desk.width()) % desk.width() + desk.left());
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m_pos.setY(((m_pos.y() - desk.top()) % desk.height() + desk.height()) % desk.height() + desk.top());
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} else {
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m_pos.setX(qBound(desk.left() + cfg.edgeGap, m_pos.x(), desk.right() - cfg.edgeGap));
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m_pos.setY(qBound(desk.top() + cfg.edgeGap, m_pos.y(), desk.bottom() - cfg.edgeGap));
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}
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if (m_useRealCursor)
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QCursor::setPos(m_pos);
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emit cursorMoved(m_pos);
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}
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void CursorController::emulateClick()
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{
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QWidget *w = QApplication::widgetAt(m_pos);
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if (w) {
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QPoint local = w->mapFromGlobal(m_pos);
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QMouseEvent press (QEvent::MouseButtonPress, local, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
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QMouseEvent release(QEvent::MouseButtonRelease, local, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
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QApplication::sendEvent(w, &press);
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QApplication::sendEvent(w, &release);
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}
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emit clicked(w);
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}
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