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修正无边框类

master
feiyangqingyun 2019-10-11 17:13:42 +08:00
parent bb89c4a67c
commit 2a5256d1c6
4 changed files with 167 additions and 161 deletions
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254
framelesswidget/framelesswidget.cpp
View File

@ -34,146 +34,147 @@ bool FramelessWidget::eventFilter(QObject *watched, QEvent *event)
int height = widget->height(); int height = widget->height();
//左侧描点区域 //左侧描点区域
rectLeft = QRectF(0, padding, padding, height - padding * 2); rectLeft = QRect(0, padding, padding, height - padding * 2);
//上侧描点区域 //上侧描点区域
rectTop = QRectF(padding, 0, width - padding * 2, padding); rectTop = QRect(padding, 0, width - padding * 2, padding);
//右侧描点区域 //右侧描点区域
rectRight = QRectF(width - padding, padding, padding, height - padding * 2); rectRight = QRect(width - padding, padding, padding, height - padding * 2);
//下侧描点区域 //下侧描点区域
rectBottom = QRectF(padding, height - padding, width - padding * 2, padding); rectBottom = QRect(padding, height - padding, width - padding * 2, padding);
//左上角描点区域 //左上角描点区域
rectLeftTop = QRectF(0, 0, padding, padding); rectLeftTop = QRect(0, 0, padding, padding);
//右上角描点区域 //右上角描点区域
rectRightTop = QRectF(width - padding, 0, padding, padding); rectRightTop = QRect(width - padding, 0, padding, padding);
//左下角描点区域 //左下角描点区域
rectLeftBottom = QRectF(0, height - padding, padding, padding); rectLeftBottom = QRect(0, height - padding, padding, padding);
//右下角描点区域 //右下角描点区域
rectRightBottom = QRectF(width - padding, height - padding, padding, padding); rectRightBottom = QRect(width - padding, height - padding, padding, padding);
} else { } else if (event->type() == QEvent::HoverMove) {
QMouseEvent *mouseEvent = (QMouseEvent *)event; //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
if (event->type() == QEvent::MouseButtonPress) { QHoverEvent *hoverEvent = (QHoverEvent *)event;
//记住当前控件坐标和宽高以及鼠标按下的坐标 QPoint point = hoverEvent->pos();
rectX = widget->x(); if (resizeEnable) {
rectY = widget->y(); if (rectLeft.contains(point)) {
rectW = widget->width(); widget->setCursor(Qt::SizeHorCursor);
rectH = widget->height(); } else if (rectRight.contains(point)) {
lastPos = mouseEvent->pos(); widget->setCursor(Qt::SizeHorCursor);
} else if (rectTop.contains(point)) {
//判断按下的手柄的区域位置 widget->setCursor(Qt::SizeVerCursor);
if (rectLeft.contains(lastPos)) { } else if (rectBottom.contains(point)) {
pressedLeft = true; widget->setCursor(Qt::SizeVerCursor);
} else if (rectRight.contains(lastPos)) { } else if (rectLeftTop.contains(point)) {
pressedRight = true; widget->setCursor(Qt::SizeFDiagCursor);
} else if (rectTop.contains(lastPos)) { } else if (rectRightTop.contains(point)) {
pressedTop = true; widget->setCursor(Qt::SizeBDiagCursor);
} else if (rectBottom.contains(lastPos)) { } else if (rectLeftBottom.contains(point)) {
pressedBottom = true; widget->setCursor(Qt::SizeBDiagCursor);
} else if (rectLeftTop.contains(lastPos)) { } else if (rectRightBottom.contains(point)) {
pressedLeftTop = true; widget->setCursor(Qt::SizeFDiagCursor);
} else if (rectRightTop.contains(lastPos)) {
pressedRightTop = true;
} else if (rectLeftBottom.contains(lastPos)) {
pressedLeftBottom = true;
} else if (rectRightBottom.contains(lastPos)) {
pressedRightBottom = true;
} else { } else {
pressed = true; widget->setCursor(Qt::ArrowCursor);
} }
} else if (event->type() == QEvent::MouseMove) { }
//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
QPoint point = mouseEvent->pos(); //根据当前鼠标位置,计算XY轴移动了多少
if (resizeEnable) { int offsetX = point.x() - lastPos.x();
if (rectLeft.contains(point)) { int offsetY = point.y() - lastPos.y();
widget->setCursor(Qt::SizeHorCursor);
} else if (rectRight.contains(point)) { //根据按下处的位置判断是否是移动控件还是拉伸控件
widget->setCursor(Qt::SizeHorCursor); if (moveEnable) {
} else if (rectTop.contains(point)) { if (pressed) {
widget->setCursor(Qt::SizeVerCursor); widget->move(widget->x() + offsetX, widget->y() + offsetY);
} else if (rectBottom.contains(point)) { }
widget->setCursor(Qt::SizeVerCursor); }
} else if (rectLeftTop.contains(point)) {
widget->setCursor(Qt::SizeFDiagCursor); if (resizeEnable) {
} else if (rectRightTop.contains(point)) { if (pressedLeft) {
widget->setCursor(Qt::SizeBDiagCursor); int resizeW = widget->width() - offsetX;
} else if (rectLeftBottom.contains(point)) { if (widget->minimumWidth() <= resizeW) {
widget->setCursor(Qt::SizeBDiagCursor); widget->setGeometry(widget->x() + offsetX, rectY, resizeW, rectH);
} else if (rectRightBottom.contains(point)) {
widget->setCursor(Qt::SizeFDiagCursor);
} else {
widget->setCursor(Qt::ArrowCursor);
} }
} } else if (pressedRight) {
widget->setGeometry(rectX, rectY, rectW + offsetX, rectH);
//根据当前鼠标位置,计算XY轴移动了多少 } else if (pressedTop) {
int offsetX = point.x() - lastPos.x(); int resizeH = widget->height() - offsetY;
int offsetY = point.y() - lastPos.y(); if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(rectX, widget->y() + offsetY, rectW, resizeH);
//根据按下处的位置判断是否是移动控件还是拉伸控件
if (moveEnable) {
if (pressed) {
widget->move(widget->x() + offsetX, widget->y() + offsetY);
} }
} } else if (pressedBottom) {
widget->setGeometry(rectX, rectY, rectW, rectH + offsetY);
if (resizeEnable) { } else if (pressedLeftTop) {
if (pressedLeft) { int resizeW = widget->width() - offsetX;
int resizeW = widget->width() - offsetX; int resizeH = widget->height() - offsetY;
if (widget->minimumWidth() <= resizeW) { if (widget->minimumWidth() <= resizeW) {
widget->setGeometry(widget->x() + offsetX, rectY, resizeW, rectH); widget->setGeometry(widget->x() + offsetX, widget->y(), resizeW, resizeH);
} }
} else if (pressedRight) { if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(rectX, rectY, rectW + offsetX, rectH); widget->setGeometry(widget->x(), widget->y() + offsetY, resizeW, resizeH);
} else if (pressedTop) { }
int resizeH = widget->height() - offsetY; } else if (pressedRightTop) {
if (widget->minimumHeight() <= resizeH) { int resizeW = rectW + offsetX;
widget->setGeometry(rectX, widget->y() + offsetY, rectW, resizeH); int resizeH = widget->height() - offsetY;
} if (widget->minimumHeight() <= resizeH) {
} else if (pressedBottom) { widget->setGeometry(widget->x(), widget->y() + offsetY, resizeW, resizeH);
widget->setGeometry(rectX, rectY, rectW, rectH + offsetY); }
} else if (pressedLeftTop) { } else if (pressedLeftBottom) {
int resizeW = widget->width() - offsetX; int resizeW = widget->width() - offsetX;
int resizeH = widget->height() - offsetY; int resizeH = rectH + offsetY;
if (widget->minimumWidth() <= resizeW) { if (widget->minimumWidth() <= resizeW) {
widget->setGeometry(widget->x() + offsetX, widget->y(), resizeW, resizeH); widget->setGeometry(widget->x() + offsetX, widget->y(), resizeW, resizeH);
} }
if (widget->minimumHeight() <= resizeH) { if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(widget->x(), widget->y() + offsetY, resizeW, resizeH);
}
} else if (pressedRightTop) {
int resizeW = rectW + offsetX;
int resizeH = widget->height() - offsetY;
if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(widget->x(), widget->y() + offsetY, resizeW, resizeH);
}
} else if (pressedLeftBottom) {
int resizeW = widget->width() - offsetX;
int resizeH = rectH + offsetY;
if (widget->minimumWidth() <= resizeW) {
widget->setGeometry(widget->x() + offsetX, widget->y(), resizeW, resizeH);
}
if (widget->minimumHeight() <= resizeH) {
widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH);
}
} else if (pressedRightBottom) {
int resizeW = rectW + offsetX;
int resizeH = rectH + offsetY;
widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH); widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH);
} }
} else if (pressedRightBottom) {
int resizeW = rectW + offsetX;
int resizeH = rectH + offsetY;
widget->setGeometry(widget->x(), widget->y(), resizeW, resizeH);
} }
} else if (event->type() == QEvent::MouseButtonRelease) {
//恢复所有
pressed = false;
pressedLeft = false;
pressedRight = false;
pressedTop = false;
pressedBottom = false;
pressedLeftTop = false;
pressedRightTop = false;
pressedLeftBottom = false;
pressedRightBottom = false;
widget->setCursor(Qt::ArrowCursor);
} }
} else if (event->type() == QEvent::MouseButtonPress) {
//记住当前控件坐标和宽高以及鼠标按下的坐标
QMouseEvent *mouseEvent = (QMouseEvent *)event;
rectX = widget->x();
rectY = widget->y();
rectW = widget->width();
rectH = widget->height();
lastPos = mouseEvent->pos();
//判断按下的手柄的区域位置
if (rectLeft.contains(lastPos)) {
pressedLeft = true;
} else if (rectRight.contains(lastPos)) {
pressedRight = true;
} else if (rectTop.contains(lastPos)) {
pressedTop = true;
} else if (rectBottom.contains(lastPos)) {
pressedBottom = true;
} else if (rectLeftTop.contains(lastPos)) {
pressedLeftTop = true;
} else if (rectRightTop.contains(lastPos)) {
pressedRightTop = true;
} else if (rectLeftBottom.contains(lastPos)) {
pressedLeftBottom = true;
} else if (rectRightBottom.contains(lastPos)) {
pressedRightBottom = true;
} else {
pressed = true;
}
} else if (event->type() == QEvent::MouseMove) {
//改成用HoverMove识别
} else if (event->type() == QEvent::MouseButtonRelease) {
//恢复所有
pressed = false;
pressedLeft = false;
pressedRight = false;
pressedTop = false;
pressedBottom = false;
pressedLeftTop = false;
pressedRightTop = false;
pressedLeftBottom = false;
pressedRightBottom = false;
widget->setCursor(Qt::ArrowCursor);
} }
} }
@ -203,8 +204,7 @@ void FramelessWidget::setWidget(QWidget *widget)
this->widget->setMouseTracking(true); this->widget->setMouseTracking(true);
//绑定事件过滤器 //绑定事件过滤器
this->widget->installEventFilter(this); this->widget->installEventFilter(this);
//设置无边框属性 //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
this->widget->setWindowFlags(widget->windowFlags() | Qt::FramelessWindowHint); this->widget->setAttribute(Qt::WA_Hover, true);
//this->widget->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
} }
} }

16
framelesswidget/framelesswidget.h
View File

@ -51,14 +51,14 @@ private:
int rectX, rectY, rectW, rectH; //窗体坐标+宽高 int rectX, rectY, rectW, rectH; //窗体坐标+宽高
QPoint lastPos; //鼠标按下处坐标 QPoint lastPos; //鼠标按下处坐标
QRectF rectLeft; //左侧区域 QRect rectLeft; //左侧区域
QRectF rectRight; //右侧区域 QRect rectRight; //右侧区域
QRectF rectTop; //上侧区域 QRect rectTop; //上侧区域
QRectF rectBottom; //下侧区域 QRect rectBottom; //下侧区域
QRectF rectLeftTop; //左上侧区域 QRect rectLeftTop; //左上侧区域
QRectF rectRightTop; //右上侧区域 QRect rectRightTop; //右上侧区域
QRectF rectLeftBottom; //左下侧区域 QRect rectLeftBottom; //左下侧区域
QRectF rectRightBottom; //右下侧区域 QRect rectRightBottom; //右下侧区域
public Q_SLOTS: public Q_SLOTS:
//设置边距 //设置边距

57
framelesswidget/frmframelesswidget.cpp
View File

@ -9,6 +9,7 @@
frmFramelessWidget::frmFramelessWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmFramelessWidget) frmFramelessWidget::frmFramelessWidget(QWidget *parent) : QWidget(parent), ui(new Ui::frmFramelessWidget)
{ {
ui->setupUi(this); ui->setupUi(this);
w = 0;
} }
frmFramelessWidget::~frmFramelessWidget() frmFramelessWidget::~frmFramelessWidget()
@ -23,37 +24,41 @@ void frmFramelessWidget::closeEvent(QCloseEvent *)
void frmFramelessWidget::on_btnOpen_clicked() void frmFramelessWidget::on_btnOpen_clicked()
{ {
QWidget *w = new QWidget; if (w == 0) {
w->setAttribute(Qt::WA_DeleteOnClose); w = new QWidget;
w->setWindowFlags(Qt::WindowStaysOnTopHint); //设置无边框属性
w->setWindowTitle("自由拉伸无边框窗体"); w->setWindowFlags(Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint);
w->setMinimumSize(200, 120); //w->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint);
w->resize(480, 320); w->setWindowTitle("自由拉伸无边框窗体");
w->setMinimumSize(200, 120);
w->resize(480, 320);
//设置下背景颜色区别看 //设置下背景颜色区别看
QPalette palette = w->palette(); QPalette palette = w->palette();
palette.setBrush(QPalette::Background, QColor(162, 121, 197)); palette.setBrush(QPalette::Background, QColor(162, 121, 197));
w->setPalette(palette); w->setPalette(palette);
QPushButton *btn = new QPushButton(w); QPushButton *btn = new QPushButton(w);
btn->setText("关闭"); btn->setText("关闭");
btn->setGeometry(10, 10, 130, 25); btn->setGeometry(10, 10, 130, 25);
connect(btn, SIGNAL(clicked(bool)), w, SLOT(close())); connect(btn, SIGNAL(clicked(bool)), w, SLOT(close()));
QCheckBox *cboxMove = new QCheckBox(w); QCheckBox *cboxMove = new QCheckBox(w);
cboxMove->setText("可移动"); cboxMove->setText("可移动");
cboxMove->setChecked(true); cboxMove->setChecked(true);
cboxMove->setGeometry(10, 40, 70, 25); cboxMove->setGeometry(10, 40, 70, 25);
connect(cboxMove, SIGNAL(stateChanged(int)), this, SLOT(stateChanged1(int))); connect(cboxMove, SIGNAL(stateChanged(int)), this, SLOT(stateChanged1(int)));
QCheckBox *cboxResize = new QCheckBox(w); QCheckBox *cboxResize = new QCheckBox(w);
cboxResize->setText("可拉伸"); cboxResize->setText("可拉伸");
cboxResize->setChecked(true); cboxResize->setChecked(true);
cboxResize->setGeometry(80, 40, 70, 25); cboxResize->setGeometry(80, 40, 70, 25);
connect(cboxResize, SIGNAL(stateChanged(int)), this, SLOT(stateChanged2(int))); connect(cboxResize, SIGNAL(stateChanged(int)), this, SLOT(stateChanged2(int)));
frameless = new FramelessWidget(w);
frameless->setWidget(w);
}
frameless = new FramelessWidget(w);
frameless->setWidget(w);
w->show(); w->show();
} }

1
framelesswidget/frmframelesswidget.h
View File

@ -22,6 +22,7 @@ protected:
private: private:
Ui::frmFramelessWidget *ui; Ui::frmFramelessWidget *ui;
QWidget *w;
FramelessWidget *frameless; FramelessWidget *frameless;
private slots: private slots: