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jared2020jared2020
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使用简易的无边框窗口，能改变大小和拖动即可。比较麻烦的细节问题不在这里处理了。
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11 files changed

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11 files changed

+343
-589
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‎3rdparty/TaoCommon/src/TaoCommon/Frameless/TaoFrameLessView.cpp

Lines changed: 217 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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#include "Frameless/TaoFrameLessView.h"
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#include <QGuiApplication>
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#include <QQuickItem>
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#include <QScreen>
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#include <QWindow>
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struct TaoFrameLessViewPrivate
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{
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uint32_t mPressedEdge;
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QRect mPressedGeometry;
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};
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TaoFrameLessView::TaoFrameLessView(QWindow* parent)
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: Super(parent)
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, d(std::make_unique<TaoFrameLessViewPrivate>())
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{
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setFlags(flags() | Qt::FramelessWindowHint | Qt::Window);
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setResizeMode(SizeRootObjectToView);
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}
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TaoFrameLessView::~TaoFrameLessView() { }
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QRect TaoFrameLessView::calcCenterGeo(const QRect& screenGeo, const QSize& normalSize)
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{
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int w = normalSize.width();
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int h = normalSize.height();
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int x = screenGeo.x() + (screenGeo.width() - w) / 2;
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int y = screenGeo.y() + (screenGeo.height() - h) / 2;
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if (screenGeo.width() < w)
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{
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x = screenGeo.x();
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w = screenGeo.width();
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}
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if (screenGeo.height() < h)
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{
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y = screenGeo.y();
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h = screenGeo.height();
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}
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return { x, y, w, h };
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}
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void TaoFrameLessView::moveToScreenCenter()
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{
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auto geo = calcCenterGeo(screen()->availableGeometry(), size());
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if (minimumWidth() > geo.width() || minimumHeight() > geo.height())
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{
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setMinimumSize(geo.size());
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}
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setGeometry(geo);
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update();
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}
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void TaoFrameLessView::move(int x, int y)
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{
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setPosition(x, y);
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}
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QPoint TaoFrameLessView::mousePosition() const
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{
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return QCursor::pos();
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}
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QPoint TaoFrameLessView::globalPosToWindowPos(const QPoint& pos) const
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{
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return mapFromGlobal(pos);
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}
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void TaoFrameLessView::mousePressEvent(QMouseEvent* event)
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{
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auto mousePos = event->pos();
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emit mousePressed(mousePos.x(), mousePos.y(), event->button());
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d->mPressedEdge = getPosEdges(mousePos);
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if (d->mPressedEdge)
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{
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d->mPressedGeometry = geometry();
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}
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Super::mousePressEvent(event);
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}
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void TaoFrameLessView::mouseReleaseEvent(QMouseEvent* event)
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{
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d->mPressedEdge = 0;
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d->mPressedGeometry = {};
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Super::mouseReleaseEvent(event);
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}
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void TaoFrameLessView::mouseMoveEvent(QMouseEvent* event)
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{
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{
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// 实时计算光标
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auto edges = getPosEdges(event->pos());
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auto shape = getCursorShapeByEdge(edges);
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setCursor(shape);
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}
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{
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// 根据按下时位置执行move
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if (d->mPressedEdge)
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{
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doMoveTo(event->pos());
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}
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}
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Super::mouseMoveEvent(event);
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}
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Qt::CursorShape TaoFrameLessView::getCursorShapeByEdge(const Qt::Edges& edges)
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{
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switch (edges)
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{
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case Qt::Edge::TopEdge:
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case Qt::Edge::BottomEdge: {
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return Qt::CursorShape::SizeVerCursor;
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break;
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}
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case Qt::Edge::LeftEdge:
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case Qt::Edge::RightEdge: {
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return Qt::CursorShape::SizeHorCursor;
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break;
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}
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case (Qt::Edge::TopEdge | Qt::Edge::LeftEdge):
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case (Qt::Edge::BottomEdge | Qt::Edge::RightEdge): {
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return Qt::CursorShape::SizeFDiagCursor;
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break;
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}
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case (Qt::Edge::TopEdge | Qt::Edge::RightEdge):
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case (Qt::Edge::BottomEdge | Qt::Edge::LeftEdge): {
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return Qt::CursorShape::SizeBDiagCursor;
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break;
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}
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default:
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break;
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}
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return Qt::CursorShape::ArrowCursor;
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}
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void TaoFrameLessView::doMoveTo(const QPoint& nowPos)
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{
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switch (d->mPressedEdge)
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{
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case Qt::Edge::TopEdge: {
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auto gPos = mapToGlobal(nowPos);
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auto newGeo = d->mPressedGeometry.adjusted(0, gPos.y() - d->mPressedGeometry.top(), 0, 0);
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// setGeometry(newGeo);
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setY(newGeo.y());
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setHeight(newGeo.height());
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break;
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}
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case Qt::Edge::BottomEdge: {
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auto gPos = mapToGlobal(nowPos);
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auto newGeo = d->mPressedGeometry.adjusted(0, 0, 0, gPos.y() - d->mPressedGeometry.bottom());
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setGeometry(newGeo);
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break;
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}
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case Qt::Edge::LeftEdge: {
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auto gPos = mapToGlobal(nowPos);
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auto newGeo = d->mPressedGeometry.adjusted(gPos.x() - d->mPressedGeometry.left(), 0, 0, 0);
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setGeometry(newGeo);
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break;
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}
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case Qt::Edge::RightEdge: {
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auto gPos = mapToGlobal(nowPos);
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auto newGeo = d->mPressedGeometry.adjusted(0, 0, gPos.x() - d->mPressedGeometry.right(), 0);
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setGeometry(newGeo);
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break;
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}
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case (Qt::Edge::TopEdge | Qt::Edge::LeftEdge): {
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auto gPos = mapToGlobal(nowPos);
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auto newGeo = d->mPressedGeometry.adjusted(gPos.x() - d->mPressedGeometry.left(), gPos.y() - d->mPressedGeometry.top(), 0, 0);
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setGeometry(newGeo);
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break;
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}
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case (Qt::Edge::BottomEdge | Qt::Edge::RightEdge): {
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auto gPos = mapToGlobal(nowPos);
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auto newGeo = d->mPressedGeometry.adjusted(0, 0, gPos.x() - d->mPressedGeometry.right(), gPos.y() - d->mPressedGeometry.bottom());
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setGeometry(newGeo);
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break;
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}
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case (Qt::Edge::TopEdge | Qt::Edge::RightEdge): {
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auto gPos = mapToGlobal(nowPos);
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auto newGeo = d->mPressedGeometry.adjusted(0, gPos.y() - d->mPressedGeometry.top(), gPos.x() - d->mPressedGeometry.right(), 0);
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setGeometry(newGeo);
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break;
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}
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case (Qt::Edge::BottomEdge | Qt::Edge::LeftEdge): {
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auto gPos = mapToGlobal(nowPos);
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auto newGeo = d->mPressedGeometry.adjusted(gPos.x() - d->mPressedGeometry.left(), 0, 0, gPos.y() - d->mPressedGeometry.bottom());
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setGeometry(newGeo);
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break;
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}
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default:
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break;
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}
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}
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Qt::Edges TaoFrameLessView::getPosEdges(const QPoint& pos) const
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{
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uint32_t edges = 0;
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if (pos.x() < 0 || pos.x() > width())
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{
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return (Qt::Edges)edges;
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}
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if (pos.y() < 0 || pos.y() > height())
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{
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return (Qt::Edges)edges;
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}
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if (pos.x() <= borderWidth())
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{
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edges |= Qt::Edge::LeftEdge;
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}
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else if (width() - borderWidth() <= pos.x())
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{
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edges |= Qt::Edge::RightEdge;
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}
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if (pos.y() <= borderWidth())
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{
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edges |= Qt::Edge::TopEdge;
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}
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else if (height() - borderWidth() <= pos.y())
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{
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edges |= Qt::Edge::BottomEdge;
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}
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return (Qt::Edges)edges;
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}

‎3rdparty/TaoCommon/src/TaoCommon/Frameless/TaoFrameLessView.h

Lines changed: 19 additions & 32 deletions
Original file line numberDiff line numberDiff line change
@@ -1,56 +1,43 @@
11
#pragma once
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#include "Common/PropertyHelper.h"
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#include "TaoCommonGlobal.h"
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#include <QMouseEvent>
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#include <QQuickView>
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#include <QRegion>
67

7-
// 无边框窗口，主要用来实现自定义标题栏。
8-
// Windows平台支持拖动和改变大小，支持Aero效果
9-
// 非Windows平台，去掉边框，不做其它处理。由Qml模拟resize和拖动。
10-
class TaoFrameLessViewPrivate;
8+
// 简易的无边框窗口，主要用来实现自定义标题栏。
9+
// 支持标题栏拖动和边缘改变大小，不做深度处理
10+
struct TaoFrameLessViewPrivate;
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class TAO_API TaoFrameLessView : public QQuickView
1212
{
1313
Q_OBJECT
1414
using Super = QQuickView;
15-
Q_PROPERTY(bool isMax READ isMax NOTIFY isMaxChanged)
16-
Q_PROPERTY(bool isFull READ isFull NOTIFY isFullChanged)
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AUTO_PROPERTY(int, borderWidth, 4)
1716
public:
1817
explicit TaoFrameLessView(QWindow* parent = nullptr);
1918
~TaoFrameLessView();
20-
void moveToScreenCenter();
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bool isMax() const;
22-
bool isFull() const;
23-
QQuickItem* titleItem() const;
2419

2520
static QRect calcCenterGeo(const QRect& screenGeo, const QSize& normalSize);
2621
public slots:
27-
void setIsMax(bool isMax);
28-
void setIsFull(bool isFull);
29-
void setTitleItem(QQuickItem* item);
22+
void moveToScreenCenter();
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void move(int x, int y);
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25+
QPoint mousePosition() const;
3026

27+
QPoint globalPosToWindowPos(const QPoint& pos) const;
3128
signals:
32-
void isMaxChanged(bool isMax);
33-
void isFullChanged(bool isFull);
3429
void mousePressed(int xPos, int yPos, int button);
3530

3631
protected:
37-
void showEvent(QShowEvent* e) override;
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void resizeEvent(QResizeEvent* e) override;
39-
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
40-
bool nativeEvent(const QByteArray& eventType, void* message, qintptr* result) override;
41-
#else
42-
bool nativeEvent(const QByteArray& eventType, void* message, long* result) override;
43-
#endif
44-
void mousePressEvent(QMouseEvent* event) override
45-
{
46-
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
47-
emit mousePressed(event->position().x(), event->position().y(), event->button());
48-
#else
49-
emit mousePressed(event->x(), event->y(), event->button());
50-
#endif
51-
Super::mousePressEvent(event);
52-
}
32+
void mousePressEvent(QMouseEvent* event) override;
33+
void mouseReleaseEvent(QMouseEvent* event) override;
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void mouseMoveEvent(QMouseEvent* event) override;
35+
36+
Qt::Edges getPosEdges(const QPoint& pos) const;
37+
Qt::CursorShape getCursorShapeByEdge(const Qt::Edges& edges);
38+
39+
void doMoveTo(const QPoint& nowPos);
5340

5441
private:
55-
TaoFrameLessViewPrivate* d;
42+
std::unique_ptr<TaoFrameLessViewPrivate> d;
5643
};

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