/**
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* Ò¶º£»Ô
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* QQȺ121376426
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* http://blog.yundiantech.com/
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*/
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#include "DragAbleWidget.h"
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#include "ui_DragAbleWidget.h"
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#include <QDesktopWidget>
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#include <QMouseEvent>
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#include <QTimer>
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#include <QDebug>
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#define MARGINS 2 //´°Ìå±ß¿ò
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DragAbleWidget::DragAbleWidget(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::DragAbleWidget)
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{
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ui->setupUi(this);
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///¶¨Ê±Æ÷ÓÃÓÚ¶¨ÖƼì²âÊó±êλÖ㬷ÀÖ¹Êó±ê¿ìËÙÒÆÈë´°¿Ú£¬Ã»Óмì²âµ½£¬µ¼ÖÂÊó±ê¼ýÍ·³ÊÏÖÍÏÀµÄÐÎ×´
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mTimer = new QTimer;
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mTimer->setInterval(1000);
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connect(mTimer, &QTimer::timeout, this, &DragAbleWidget::slotTimerTimeOut);
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mTimer->start();
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///¸Ä±ä´°Ìå´óСÏà¹Ø
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isMax = false;
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int w = this->width();
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int h = this->height();
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QRect screenRect = QApplication::desktop()->screenGeometry();//»ñÈ¡É豸ÆÁÄ»´óС
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int x = (screenRect.width() - w) / 2;
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int y = (screenRect.height() - h) / 2;
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mLocation = this->geometry();
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// mLocation = QRect(x, y, w, h);
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// this->setGeometry(mLocation);
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isLeftPressDown = false;
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this->dir = NONE;
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this->setMouseTracking(true);// ×·×ÙÊó±ê
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ui->widget_frame->setMouseTracking(true);
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ui->widget_back->setMouseTracking(true);
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ui->widget_container->setMouseTracking(true);
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// ui->widget_center->setMouseTracking(true);
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this->setFocusPolicy(Qt::ClickFocus);
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ui->widget_frame->setContentsMargins(MARGINS,MARGINS,MARGINS,MARGINS);
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showBorderRadius(true);
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// ui->widget_frame->setContentsMargins(1, 1, 1, 1);
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//°²×°Ê¼þ¼àÌýÆ÷,ÈñêÌâÀ¸Ê¶±ðÊó±êË«»÷
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// ui->widget_beingClass_back->installEventFilter(this);
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}
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DragAbleWidget::~DragAbleWidget()
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{
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}
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QWidget *DragAbleWidget::getContainWidget()
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{
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return ui->widget_container;
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}
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void DragAbleWidget::setTitle(QString str)
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{
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ui->label_titleName->setText(str);
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this->setWindowTitle(str);
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}
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////////////¸Ä±ä´°Ìå´óСÏà¹Ø
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void DragAbleWidget::mouseReleaseEvent(QMouseEvent *event)
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{
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if(event->button() == Qt::LeftButton)
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{
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isLeftPressDown = false;
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if(dir != NONE)
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{
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this->releaseMouse();
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this->setCursor(QCursor(Qt::ArrowCursor));
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}
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}
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}
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void DragAbleWidget::mousePressEvent(QMouseEvent *event)
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{
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// qDebug()<<__FUNCTION__;
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if (event->type() == QEvent::MouseButtonDblClick)
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{
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if (event->button() == Qt::LeftButton)
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{
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// if(QApplication::keyboardModifiers() == (Qt::ControlModifier|Qt::ShiftModifier|Qt::AltModifier))
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{
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doChangeFullScreen(); //ctrl + ×ó¼ü
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}
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}
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}
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switch(event->button()) {
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case Qt::LeftButton:
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if (isMax || this->isFullScreen()) break;
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isLeftPressDown = true;
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checkCursorDirect(event->globalPos());
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if(dir != NONE) {
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this->mouseGrabber();
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} else {
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dragPosition = event->globalPos() - this->frameGeometry().topLeft();
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}
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break;
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// case Qt::RightButton:
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// if (!this->isFullScreen())
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// mAction_FullScreen->setText(tr("show fullscreen"));
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// else
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// mAction_FullScreen->setText(tr("quit fullscreen"));
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// mPopMenu->exec(QCursor::pos());
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// break;
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default:
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QWidget::mousePressEvent(event);
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}
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}
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void DragAbleWidget::mouseMoveEvent(QMouseEvent *event)
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{
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// qDebug()<<__FUNCTION__;
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if (isMax || this->isFullScreen()) return;
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QPoint gloPoint = event->globalPos();
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QRect rect = this->rect();
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QPoint tl = mapToGlobal(rect.topLeft());
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QPoint rb = mapToGlobal(rect.bottomRight());
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if(!isLeftPressDown) {
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checkCursorDirect(gloPoint);
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} else {
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if(dir != NONE) {
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QRect rMove(tl, rb);
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switch(dir) {
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case LEFT:
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if(rb.x() - gloPoint.x() <= this->minimumWidth())
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rMove.setX(tl.x());
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else
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rMove.setX(gloPoint.x());
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break;
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case RIGHT:
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rMove.setWidth(gloPoint.x() - tl.x());
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break;
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case UP:
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if(rb.y() - gloPoint.y() <= this->minimumHeight())
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rMove.setY(tl.y());
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else
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rMove.setY(gloPoint.y());
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break;
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case DOWN:
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rMove.setHeight(gloPoint.y() - tl.y());
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break;
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case LEFTTOP:
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if(rb.x() - gloPoint.x() <= this->minimumWidth())
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rMove.setX(tl.x());
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else
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rMove.setX(gloPoint.x());
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if(rb.y() - gloPoint.y() <= this->minimumHeight())
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rMove.setY(tl.y());
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else
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rMove.setY(gloPoint.y());
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break;
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case RIGHTTOP:
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rMove.setWidth(gloPoint.x() - tl.x());
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rMove.setY(gloPoint.y());
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break;
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case LEFTBOTTOM:
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rMove.setX(gloPoint.x());
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rMove.setHeight(gloPoint.y() - tl.y());
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break;
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case RIGHTBOTTOM:
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rMove.setWidth(gloPoint.x() - tl.x());
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rMove.setHeight(gloPoint.y() - tl.y());
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break;
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default:
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break;
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}
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this->setGeometry(rMove);
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// emit sig_WindowMoved(rMove);
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} else {
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checkCursorDirect(event->globalPos());
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if (dir == NONE && !isMax)
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{
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QPoint point = event->globalPos() - dragPosition;
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QRect mLimitRect = QApplication::desktop()->availableGeometry();
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if (point.x() < mLimitRect.x())
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point.setX(mLimitRect.x());
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if (point.x() > (mLimitRect.x()+mLimitRect.width()-this->width()))
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point.setX(mLimitRect.x()+mLimitRect.width()-this->width());
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if (point.y() < mLimitRect.y())
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point.setY(mLimitRect.y());
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if (point.y() > (mLimitRect.y()+mLimitRect.height()-this->height()))
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point.setY(mLimitRect.y()+mLimitRect.height()-this->height());
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move(point);
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}
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event->accept();
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}
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}
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// QWidget::mouseMoveEvent(event);¡¢
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event->accept();
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}
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void DragAbleWidget::checkCursorDirect(const QPoint &cursorGlobalPoint)
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{
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// »ñÈ¡´°ÌåÔÚÆÁÄ»ÉϵÄλÖÃÇøÓò£¬tlΪtopleftµã£¬rbΪrightbottomµã
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QRect rect = this->rect();
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QPoint tl = mapToGlobal(rect.topLeft());
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QPoint rb = mapToGlobal(rect.bottomRight());
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int x = cursorGlobalPoint.x();
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int y = cursorGlobalPoint.y();
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if(tl.x() + PADDING >= x && tl.x() <= x && tl.y() + PADDING >= y && tl.y() <= y) {
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// ×óÉϽÇ
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dir = LEFTTOP;
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this->setCursor(QCursor(Qt::SizeFDiagCursor)); // ÉèÖÃÊó±êÐÎ×´
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} else if(x >= rb.x() - PADDING && x <= rb.x() && y >= rb.y() - PADDING && y <= rb.y()) {
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// ÓÒϽÇ
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dir = RIGHTBOTTOM;
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this->setCursor(QCursor(Qt::SizeFDiagCursor));
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} else if(x <= tl.x() + PADDING && x >= tl.x() && y >= rb.y() - PADDING && y <= rb.y()) {
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//×óϽÇ
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dir = LEFTBOTTOM;
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this->setCursor(QCursor(Qt::SizeBDiagCursor));
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} else if(x <= rb.x() && x >= rb.x() - PADDING && y >= tl.y() && y <= tl.y() + PADDING) {
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// ÓÒÉϽÇ
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dir = RIGHTTOP;
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this->setCursor(QCursor(Qt::SizeBDiagCursor));
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} else if(x <= tl.x() + PADDING && x >= tl.x()) {
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// ×ó±ß
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dir = LEFT;
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this->setCursor(QCursor(Qt::SizeHorCursor));
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} else if( x <= rb.x() && x >= rb.x() - PADDING) {
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// ÓÒ±ß
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dir = RIGHT;
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this->setCursor(QCursor(Qt::SizeHorCursor));
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}else if(y >= tl.y() && y <= tl.y() + PADDING){
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// Éϱß
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dir = UP;
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this->setCursor(QCursor(Qt::SizeVerCursor));
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} else if(y <= rb.y() && y >= rb.y() - PADDING) {
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// 챧
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dir = DOWN;
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this->setCursor(QCursor(Qt::SizeVerCursor));
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}else {
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// ĬÈÏ
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dir = NONE;
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this->setCursor(QCursor(Qt::ArrowCursor));
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}
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}
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void DragAbleWidget::doShowFullScreen()
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{
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this->show();
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this->showFullScreen();
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this->raise();
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ui->widget_frame->setContentsMargins(0,0,0,0); //Òþ²Ø±ß¿ò
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showBorderRadius(false);
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ui->btnMenu_Max->setIcon(QIcon(":/image/shownormalbtn.png"));
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ui->widget_title->hide(); //Òþ²Ø±êÌâÀ¸
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// ui->verticalLayout_titleWidget_Back->removeWidget(ui->widget_title);
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// ui->widget_title->setParent(NULL);
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// ui->widget_title->setWindowFlags(Qt::FramelessWindowHint|Qt::WindowStaysOnTopHint|Qt::Tool|Qt::X11BypassWindowManagerHint);
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// ui->widget_title->resize(QApplication::desktop()->screen()->width(), ui->widget_title->height());
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// ui->widget_title->move(0,0);
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// ui->widget_title->show();
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}
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void DragAbleWidget::doShowNormal()
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{
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qDebug()<<__FUNCTION__;
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this->show();
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this->showNormal();
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this->raise();
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if (!isMax)
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{
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ui->widget_frame->setContentsMargins(MARGINS,MARGINS,MARGINS,MARGINS);
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showBorderRadius(true);
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} else {
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ui->widget_frame->setContentsMargins(0,0,0,0);
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showBorderRadius(false);
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}
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ui->btnMenu_Max->setIcon(QIcon(":/image/showmaxsizebtn.png"));
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QTimer::singleShot(20,this,[&]()
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{
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ui->verticalLayout_titleWidget_Back->addWidget(ui->widget_title);
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ui->widget_title->show();
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});
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}
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void DragAbleWidget::showBorderRadius(bool isShow)
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{
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QString str;
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if (isShow)
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{
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str = QString("QWidget#widget_frame\
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{\
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border:3px solid rgb(46, 165, 255);\
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background-color: rgba(255, 255, 255, 0);\
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border-radius:5px;\
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}\
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QWidget#widget_back\
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{\
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border-radius:3px;\
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}\
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QWidget#widget_title\
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{\
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border-top-right-radius:5px;\
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border-top-left-radius:5px;\
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}\
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QWidget#widget_container\
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{\
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border-bottom-right-radius:5px;\
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border-bottom-left-radius:5px;\
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}\
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QStackedWidget\
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{\
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border-bottom-right-radius:5px;\
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border-bottom-left-radius:5px;\
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}\
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QWidget#page_courseList\
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{\
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border-bottom-right-radius:5px;\
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border-bottom-left-radius:5px;\
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}");
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}
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else
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{
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str = QString("QWidget#widget_frame\
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{\
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border:3px solid rgb(46, 165, 255);\
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background-color: rgba(255, 255, 255, 0);\
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border-radius:0px;\
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}\
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QWidget#widget_back\
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{\
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border-radius:0px;\
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}\
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QWidget#widget_title\
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{\
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border-top-right-radius:0px;\
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border-top-left-radius:0px;\
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}\
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QWidget#widget_container\
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{\
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border-bottom-right-radius:0px;\
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border-bottom-left-radius:0px;\
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}\
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QStackedWidget\
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{\
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border-bottom-right-radius:0px;\
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border-bottom-left-radius:0px;\
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}\
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QWidget#page_courseList\
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{\
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border-bottom-right-radius:0px;\
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border-bottom-left-radius:0px;\
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}");
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}
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ui->widget_frame->setStyleSheet(str);
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}
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void DragAbleWidget::doChangeFullScreen()
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{
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if (this->isFullScreen())
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{
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this->doShowNormal();
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// mAction_FullScreen->setText(tr("show fullscreen"));
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}
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else
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{
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this->doShowFullScreen();
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// mAction_FullScreen->setText(tr("quit fullscreen"));
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}
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}
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void DragAbleWidget::on_btnMenu_Close_clicked()
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{
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qDebug()<<__FUNCTION__;
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close();
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// QTimer::singleShot(500,this,[&]()
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// {
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// QPoint pt(0, 0);
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// QMouseEvent evt(QEvent::Leave, pt, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
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// qApp->sendEvent(ui->btnMenu_Close, &evt);
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// });
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}
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void DragAbleWidget::on_btnMenu_Max_clicked()
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{
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doChangeFullScreen();
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}
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void DragAbleWidget::on_btnMenu_Min_clicked()
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{
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if (this->isFullScreen())
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{
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// mAnimation->stop();
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// mTimer_CheckTitle->stop();
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ui->widget_title->move(ui->widget_title->x(), 0 - ui->widget_title->height());
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ui->widget_title->hide();
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}
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this->showMinimized();
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QTimer::singleShot(500,this,[&]()
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{
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QPoint pt(0, 0);
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QMouseEvent evt(QEvent::Leave, pt, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
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qApp->sendEvent(ui->btnMenu_Min, &evt);
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});
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}
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void DragAbleWidget::slotTimerTimeOut()
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{
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if (QObject::sender() == mTimer)
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{
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checkCursorDirect(QCursor::pos());
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}
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}
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