修正无边框类
feiyangqingyun
parent
bb89c4a67c
commit
2a5256d1c6
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@ -34,146 +34,147 @@ bool FramelessWidget::eventFilter(QObject *watched, QEvent *event)
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int height = widget->height();
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//左侧描点区域
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rectLeft = QRectF(0, padding, padding, height - padding * 2);
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rectLeft = QRect(0, padding, padding, height - padding * 2);
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//上侧描点区域
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rectTop = QRectF(padding, 0, width - padding * 2, padding);
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rectTop = QRect(padding, 0, width - padding * 2, padding);
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//右侧描点区域
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rectRight = QRectF(width - padding, padding, padding, height - padding * 2);
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rectRight = QRect(width - padding, padding, padding, height - padding * 2);
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//下侧描点区域
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rectBottom = QRectF(padding, height - padding, width - padding * 2, padding);
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rectBottom = QRect(padding, height - padding, width - padding * 2, padding);
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//左上角描点区域
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rectLeftTop = QRectF(0, 0, padding, padding);
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rectLeftTop = QRect(0, 0, padding, padding);
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//右上角描点区域
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rectRightTop = QRectF(width - padding, 0, padding, padding);
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rectRightTop = QRect(width - padding, 0, padding, padding);
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//左下角描点区域
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rectLeftBottom = QRectF(0, height - padding, padding, padding);
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rectLeftBottom = QRect(0, height - padding, padding, padding);
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//右下角描点区域
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rectRightBottom = QRectF(width - padding, height - padding, padding, padding);
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} else {
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QMouseEvent *mouseEvent = (QMouseEvent *)event;
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if (event->type() == QEvent::MouseButtonPress) {
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//记住当前控件坐标和宽高以及鼠标按下的坐标
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rectX = widget->x();
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rectY = widget->y();
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rectW = widget->width();
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rectH = widget->height();
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lastPos = mouseEvent->pos();
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//判断按下的手柄的区域位置
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if (rectLeft.contains(lastPos)) {
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pressedLeft = true;
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} else if (rectRight.contains(lastPos)) {
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pressedRight = true;
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} else if (rectTop.contains(lastPos)) {
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pressedTop = true;
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} else if (rectBottom.contains(lastPos)) {
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pressedBottom = true;
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} else if (rectLeftTop.contains(lastPos)) {
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pressedLeftTop = true;
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} else if (rectRightTop.contains(lastPos)) {
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pressedRightTop = true;
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} else if (rectLeftBottom.contains(lastPos)) {
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pressedLeftBottom = true;
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} else if (rectRightBottom.contains(lastPos)) {
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pressedRightBottom = true;
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rectRightBottom = QRect(width - padding, height - padding, padding, padding);
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} else if (event->type() == QEvent::HoverMove) {
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//设置对应鼠标形状,这个必须放在这里而不是下面,因为可以在鼠标没有按下的时候识别
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QHoverEvent *hoverEvent = (QHoverEvent *)event;
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QPoint point = hoverEvent->pos();
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if (resizeEnable) {
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if (rectLeft.contains(point)) {
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widget->setCursor(Qt::SizeHorCursor);
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} else if (rectRight.contains(point)) {
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widget->setCursor(Qt::SizeHorCursor);
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} else if (rectTop.contains(point)) {
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widget->setCursor(Qt::SizeVerCursor);
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} else if (rectBottom.contains(point)) {
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widget->setCursor(Qt::SizeVerCursor);
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} else if (rectLeftTop.contains(point)) {
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widget->setCursor(Qt::SizeFDiagCursor);
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} else if (rectRightTop.contains(point)) {
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widget->setCursor(Qt::SizeBDiagCursor);
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} else if (rectLeftBottom.contains(point)) {
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widget->setCursor(Qt::SizeBDiagCursor);
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} else if (rectRightBottom.contains(point)) {
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widget->setCursor(Qt::SizeFDiagCursor);
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} else {
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pressed = true;
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widget->setCursor(Qt::ArrowCursor);
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}
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} else if (event->type() == QEvent::MouseMove) {
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//设置对应鼠标形状,这个必须放在这里而不是下面,因为可以在鼠标没有按下的时候识别
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QPoint point = mouseEvent->pos();
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if (resizeEnable) {
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if (rectLeft.contains(point)) {
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widget->setCursor(Qt::SizeHorCursor);
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} else if (rectRight.contains(point)) {
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widget->setCursor(Qt::SizeHorCursor);
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} else if (rectTop.contains(point)) {
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widget->setCursor(Qt::SizeVerCursor);
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} else if (rectBottom.contains(point)) {
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widget->setCursor(Qt::SizeVerCursor);
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} else if (rectLeftTop.contains(point)) {
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widget->setCursor(Qt::SizeFDiagCursor);
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} else if (rectRightTop.contains(point)) {
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widget->setCursor(Qt::SizeBDiagCursor);
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} else if (rectLeftBottom.contains(point)) {
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widget->setCursor(Qt::SizeBDiagCursor);
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} else if (rectRightBottom.contains(point)) {
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widget->setCursor(Qt::SizeFDiagCursor);
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} else {
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widget->setCursor(Qt::ArrowCursor);
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}
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//根据当前鼠标位置,计算XY轴移动了多少
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int offsetX = point.x() - lastPos.x();
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int offsetY = point.y() - lastPos.y();
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//根据按下处的位置判断是否是移动控件还是拉伸控件
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if (moveEnable) {
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if (pressed) {
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widget->move(widget->x() + offsetX, widget->y() + offsetY);
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}
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}
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if (resizeEnable) {
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if (pressedLeft) {
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int resizeW = widget->width() - offsetX;
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if (widget->minimumWidth() <= resizeW) {
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widget->setGeometry(widget->x() + offsetX, rectY, resizeW, rectH);
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}
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}
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//根据当前鼠标位置,计算XY轴移动了多少
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int offsetX = point.x() - lastPos.x();
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int offsetY = point.y() - lastPos.y();
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//根据按下处的位置判断是否是移动控件还是拉伸控件
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if (moveEnable) {
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if (pressed) {
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widget->move(widget->x() + offsetX, widget->y() + offsetY);
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} else if (pressedRight) {
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widget->setGeometry(rectX, rectY, rectW + offsetX, rectH);
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} else if (pressedTop) {
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int resizeH = widget->height() - offsetY;
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if (widget->minimumHeight() <= resizeH) {
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widget->setGeometry(rectX, widget->y() + offsetY, rectW, resizeH);
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}
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}
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if (resizeEnable) {
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if (pressedLeft) {
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int resizeW = widget->width() - offsetX;
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if (widget->minimumWidth() <= resizeW) {
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widget->setGeometry(widget->x() + offsetX, rectY, resizeW, rectH);
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}
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} else if (pressedRight) {
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widget->setGeometry(rectX, rectY, rectW + offsetX, rectH);
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} else if (pressedTop) {
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int resizeH = widget->height() - offsetY;
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if (widget->minimumHeight() <= resizeH) {
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widget->setGeometry(rectX, widget->y() + offsetY, rectW, resizeH);
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}
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} else if (pressedBottom) {
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widget->setGeometry(rectX, rectY, rectW, rectH + offsetY);
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} else if (pressedLeftTop) {
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int resizeW = widget->width() - offsetX;
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int resizeH = widget->height() - offsetY;
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if (widget->minimumWidth() <= resizeW) {
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widget->setGeometry(widget->x() + offsetX, widget->y(), resizeW, resizeH);
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}
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if (widget->minimumHeight() <= resizeH) {
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widget->setGeometry(widget->x(), widget->y() + offsetY, resizeW, resizeH);
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}
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} else if (pressedRightTop) {
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int resizeW = rectW + offsetX;
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int resizeH = widget->height() - offsetY;
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if (widget->minimumHeight() <= resizeH) {
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widget->setGeometry(widget->x(), widget->y() + offsetY, resizeW, resizeH);
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}
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} else if (pressedLeftBottom) {
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int resizeW = widget->width() - offsetX;
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int resizeH = rectH + offsetY;
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if (widget->minimumWidth() <= resizeW) {
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widget->setGeometry(widget->x() + offsetX, widget->y(), resizeW, resizeH);
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}
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if (widget->minimumHeight() <= resizeH) {
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widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH);
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}
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} else if (pressedRightBottom) {
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int resizeW = rectW + offsetX;
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int resizeH = rectH + offsetY;
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} else if (pressedBottom) {
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widget->setGeometry(rectX, rectY, rectW, rectH + offsetY);
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} else if (pressedLeftTop) {
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int resizeW = widget->width() - offsetX;
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int resizeH = widget->height() - offsetY;
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if (widget->minimumWidth() <= resizeW) {
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widget->setGeometry(widget->x() + offsetX, widget->y(), resizeW, resizeH);
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}
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if (widget->minimumHeight() <= resizeH) {
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widget->setGeometry(widget->x(), widget->y() + offsetY, resizeW, resizeH);
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}
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} else if (pressedRightTop) {
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int resizeW = rectW + offsetX;
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int resizeH = widget->height() - offsetY;
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if (widget->minimumHeight() <= resizeH) {
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widget->setGeometry(widget->x(), widget->y() + offsetY, resizeW, resizeH);
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}
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} else if (pressedLeftBottom) {
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int resizeW = widget->width() - offsetX;
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int resizeH = rectH + offsetY;
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if (widget->minimumWidth() <= resizeW) {
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widget->setGeometry(widget->x() + offsetX, widget->y(), resizeW, resizeH);
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}
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if (widget->minimumHeight() <= resizeH) {
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widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH);
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}
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} else if (pressedRightBottom) {
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int resizeW = rectW + offsetX;
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int resizeH = rectH + offsetY;
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widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH);
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}
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} else if (event->type() == QEvent::MouseButtonRelease) {
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//恢复所有
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pressed = false;
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pressedLeft = false;
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pressedRight = false;
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pressedTop = false;
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pressedBottom = false;
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pressedLeftTop = false;
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pressedRightTop = false;
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pressedLeftBottom = false;
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pressedRightBottom = false;
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widget->setCursor(Qt::ArrowCursor);
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}
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} else if (event->type() == QEvent::MouseButtonPress) {
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//记住当前控件坐标和宽高以及鼠标按下的坐标
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QMouseEvent *mouseEvent = (QMouseEvent *)event;
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rectX = widget->x();
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rectY = widget->y();
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rectW = widget->width();
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rectH = widget->height();
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lastPos = mouseEvent->pos();
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//判断按下的手柄的区域位置
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if (rectLeft.contains(lastPos)) {
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pressedLeft = true;
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} else if (rectRight.contains(lastPos)) {
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pressedRight = true;
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} else if (rectTop.contains(lastPos)) {
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pressedTop = true;
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} else if (rectBottom.contains(lastPos)) {
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pressedBottom = true;
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} else if (rectLeftTop.contains(lastPos)) {
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pressedLeftTop = true;
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} else if (rectRightTop.contains(lastPos)) {
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pressedRightTop = true;
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} else if (rectLeftBottom.contains(lastPos)) {
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pressedLeftBottom = true;
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} else if (rectRightBottom.contains(lastPos)) {
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pressedRightBottom = true;
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} else {
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pressed = true;
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}
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} else if (event->type() == QEvent::MouseMove) {
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//改成用HoverMove识别
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} else if (event->type() == QEvent::MouseButtonRelease) {
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//恢复所有
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pressed = false;
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pressedLeft = false;
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pressedRight = false;
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pressedTop = false;
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pressedBottom = false;
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pressedLeftTop = false;
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pressedRightTop = false;
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pressedLeftBottom = false;
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pressedRightBottom = false;
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widget->setCursor(Qt::ArrowCursor);
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}
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}
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@ -203,8 +204,7 @@ void FramelessWidget::setWidget(QWidget *widget)
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this->widget->setMouseTracking(true);
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//绑定事件过滤器
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this->widget->installEventFilter(this);
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//设置无边框属性
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this->widget->setWindowFlags(widget->windowFlags() | Qt::FramelessWindowHint);
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//this->widget->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
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//设置悬停为真,必须设置这个,不然当父窗体里边还有子窗体全部遮挡了识别不到MouseMove,需要识别HoverMove
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this->widget->setAttribute(Qt::WA_Hover, true);
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}
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}
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@ -51,14 +51,14 @@ private:
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int rectX, rectY, rectW, rectH; //窗体坐标+宽高
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QPoint lastPos; //鼠标按下处坐标
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QRectF rectLeft; //左侧区域
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QRectF rectRight; //右侧区域
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QRectF rectTop; //上侧区域
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QRectF rectBottom; //下侧区域
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QRectF rectLeftTop; //左上侧区域
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QRectF rectRightTop; //右上侧区域
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QRectF rectLeftBottom; //左下侧区域
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QRectF rectRightBottom; //右下侧区域
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QRect rectLeft; //左侧区域
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QRect rectRight; //右侧区域
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QRect rectTop; //上侧区域
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QRect rectBottom; //下侧区域
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QRect rectLeftTop; //左上侧区域
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QRect rectRightTop; //右上侧区域
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QRect rectLeftBottom; //左下侧区域
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QRect rectRightBottom; //右下侧区域
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public Q_SLOTS:
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//设置边距
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@ -9,6 +9,7 @@
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frmFramelessWidget::frmFramelessWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmFramelessWidget)
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{
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ui->setupUi(this);
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w = 0;
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}
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frmFramelessWidget::~frmFramelessWidget()
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@ -23,37 +24,41 @@ void frmFramelessWidget::closeEvent(QCloseEvent *)
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void frmFramelessWidget::on_btnOpen_clicked()
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{
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QWidget *w = new QWidget;
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w->setAttribute(Qt::WA_DeleteOnClose);
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w->setWindowFlags(Qt::WindowStaysOnTopHint);
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w->setWindowTitle("自由拉伸无边框窗体");
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w->setMinimumSize(200, 120);
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w->resize(480, 320);
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if (w == 0) {
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w = new QWidget;
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//设置无边框属性
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w->setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint);
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//w->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
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w->setWindowTitle("自由拉伸无边框窗体");
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w->setMinimumSize(200, 120);
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w->resize(480, 320);
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//设置下背景颜色区别看
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QPalette palette = w->palette();
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palette.setBrush(QPalette::Background, QColor(162, 121, 197));
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w->setPalette(palette);
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//设置下背景颜色区别看
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QPalette palette = w->palette();
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palette.setBrush(QPalette::Background, QColor(162, 121, 197));
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w->setPalette(palette);
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QPushButton *btn = new QPushButton(w);
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btn->setText("关闭");
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btn->setGeometry(10, 10, 130, 25);
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connect(btn, SIGNAL(clicked(bool)), w, SLOT(close()));
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QPushButton *btn = new QPushButton(w);
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btn->setText("关闭");
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btn->setGeometry(10, 10, 130, 25);
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connect(btn, SIGNAL(clicked(bool)), w, SLOT(close()));
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QCheckBox *cboxMove = new QCheckBox(w);
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cboxMove->setText("可移动");
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cboxMove->setChecked(true);
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cboxMove->setGeometry(10, 40, 70, 25);
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connect(cboxMove, SIGNAL(stateChanged(int)), this, SLOT(stateChanged1(int)));
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QCheckBox *cboxMove = new QCheckBox(w);
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cboxMove->setText("可移动");
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cboxMove->setChecked(true);
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cboxMove->setGeometry(10, 40, 70, 25);
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connect(cboxMove, SIGNAL(stateChanged(int)), this, SLOT(stateChanged1(int)));
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QCheckBox *cboxResize = new QCheckBox(w);
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cboxResize->setText("可拉伸");
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cboxResize->setChecked(true);
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cboxResize->setGeometry(80, 40, 70, 25);
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connect(cboxResize, SIGNAL(stateChanged(int)), this, SLOT(stateChanged2(int)));
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QCheckBox *cboxResize = new QCheckBox(w);
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cboxResize->setText("可拉伸");
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cboxResize->setChecked(true);
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cboxResize->setGeometry(80, 40, 70, 25);
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connect(cboxResize, SIGNAL(stateChanged(int)), this, SLOT(stateChanged2(int)));
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frameless = new FramelessWidget(w);
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frameless->setWidget(w);
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}
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frameless = new FramelessWidget(w);
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frameless->setWidget(w);
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w->show();
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}
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@ -22,6 +22,7 @@ protected:
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private:
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Ui::frmFramelessWidget *ui;
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QWidget *w;
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FramelessWidget *frameless;
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private slots:
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