326 lines
13 KiB
C++
326 lines
13 KiB
C++
#include "screenunit.h"
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#include "expertwin.h"
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#include <QDirIterator>
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#include <QGraphicsScene>
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#include <QGraphicsSceneMouseEvent>
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#include <QJsonArray>
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#include <QJsonObject>
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#include <QLabel>
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#include <QPainter>
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#include <QSpinBox>
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#include <QMouseEvent>
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ScreenUnit::ScreenUnit(ExpertWin *expertWin, const QString &name, int x, int y, int w, int h, QWidget *parent) : QWidget{parent}, expertWin{expertWin}, name{name}, mX{x}, mY{y}, mW{w}, mH{h} {
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setGeometry(x, y, w, h);
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setMouseTracking(true);
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auto font = this->font();
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font.setPixelSize(12);
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setFont(font);
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mSidePen.setCapStyle(Qt::FlatCap);
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mSidePen.setDashPattern(QVector<qreal>{2,2});
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}
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void ScreenUnit::paintEvent(QPaintEvent *) {
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QPainter painter(this);
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painter.setPen(mSidePen);
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painter.drawRect(QRectF(0.5, 0.5, width()-1, height()-1));
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painter.drawText(2, 16, name);
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painter.drawText(2, 32, "位置: "+QString::number(mX)+", "+QString::number(mY));
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painter.drawText(2, 48, "大小: "+QString::number(mW)+" x "+QString::number(mH));
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//磁条吸附时两化吸附的边
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static QPen snapPen(QColor(0x00ff00), 2);
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painter.setPen(snapPen);
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if(mLRSnap==1) painter.drawLine(QPointF(1, 0), QPointF(1, height()));
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else if(mLRSnap==2) painter.drawLine(QPointF(width()-1, 0), QPointF(width()-1, height()));
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if(mTBSnap==1) painter.drawLine(QPointF(0, 1), QPointF(width(), 1));
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else if(mTBSnap==2) painter.drawLine(QPointF(0, height()-1), QPointF(width(), height()-1));
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}
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void ScreenUnit::setFrmSec(const QPoint &pos) {
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if(isMaximized()) return;
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if(pos.y()<8) {
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if(pos.x()<16) setFrmSecIfNeed(Qt::TopLeftSection, Qt::SizeFDiagCursor);
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else if(pos.x()<width()-16) setFrmSecIfNeed(Qt::TopSection, Qt::SizeVerCursor);
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else setFrmSecIfNeed(Qt::TopRightSection, Qt::SizeBDiagCursor);
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} else if(pos.y()>=height()-8) {
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if(pos.x()<16) setFrmSecIfNeed(Qt::BottomLeftSection, Qt::SizeBDiagCursor);
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else if(pos.x()<width()-16) setFrmSecIfNeed(Qt::BottomSection, Qt::SizeVerCursor);
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else setFrmSecIfNeed(Qt::BottomRightSection, Qt::SizeFDiagCursor);
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} else if(pos.x()<8) {
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if(pos.y()<16) setFrmSecIfNeed(Qt::TopLeftSection, Qt::SizeFDiagCursor);
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else if(pos.y()<height()-16) setFrmSecIfNeed(Qt::LeftSection, Qt::SizeHorCursor);
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else setFrmSecIfNeed(Qt::BottomLeftSection, Qt::SizeBDiagCursor);
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} else if(pos.x()>=width()-8) {
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if(pos.y()<16) setFrmSecIfNeed(Qt::TopRightSection, Qt::SizeBDiagCursor);
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else if(pos.y()<height()-16) setFrmSecIfNeed(Qt::RightSection, Qt::SizeHorCursor);
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else setFrmSecIfNeed(Qt::BottomRightSection, Qt::SizeFDiagCursor);
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} else setFrmSecIfNeed(Qt::TitleBarArea, Qt::SizeAllCursor);
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}
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void ScreenUnit::mousePressEvent(QMouseEvent *e) {
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QWidget::mousePressEvent(e);
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if(e->button() != Qt::LeftButton) return;
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setFrmSec(e->pos());
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if(mFrmSec==Qt::TitleBarArea || mFrmSec==Qt::TopSection || mFrmSec==Qt::LeftSection || mFrmSec==Qt::TopLeftSection) mPressRel = pos() - e->globalPos();
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else if(mFrmSec==Qt::BottomRightSection) mPressRel = QPoint(width() - e->globalX(), height() - e->globalY());
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else if(mFrmSec==Qt::RightSection ) mPressRel = QPoint(width() - e->globalX(), height() );
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else if(mFrmSec==Qt::BottomSection ) mPressRel = QPoint(width() , height() - e->globalY());
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else if(mFrmSec==Qt::TopRightSection ) mPressRel = geometry().topRight() - e->globalPos();
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else if(mFrmSec==Qt::BottomLeftSection ) mPressRel = geometry().bottomLeft() - e->globalPos();
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else if(mFrmSec==Qt::NoSection) mPressRel.setX(INT_MIN);
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if(mPressRel.x()!=INT_MIN) {
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mOtherEles.clear();
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auto parent = this->parentWidget();
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if(0 == parent) return;
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auto items = parent->children();
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foreach(auto item, items) {
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if(item==this) continue;
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auto ele = static_cast<ScreenUnit*>(item);
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mOtherEles.append(ele);
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}
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}
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}
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void ScreenUnit::mouseReleaseEvent(QMouseEvent *event) {
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QWidget::mouseReleaseEvent(event);
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if(Qt::LeftButton == event->button()) {
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mPressRel.setX(INT_MIN);
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clearSnap();
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foreach(auto ele, mOtherEles) ele->clearSnap();
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}
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}
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#define SnapSpace 6
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void ScreenUnit::mouseMoveEvent(QMouseEvent *e){
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if(! (e->buttons() & Qt::LeftButton)) {
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setFrmSec(e->pos());
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return;
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}
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if(mFrmSec==Qt::NoSection || mPressRel.x()==INT_MIN) return;
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auto mousePos = e->globalPos();
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auto dstHor = mPressRel.x() + mousePos.x();
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auto dstVer = mPressRel.y() + mousePos.y();
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mLRSnap = mTBSnap = 0;
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foreach(auto ele, mOtherEles) ele->clearSnap();
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if(mFrmSec==Qt::TitleBarArea) {
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dstHor = qBound(0, dstHor, expertWin->screenWidth - width());
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dstVer = qBound(0, dstVer, expertWin->screenHeight - height());
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if(dstHor==0) mLRSnap = 1;
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else if(dstHor==expertWin->screenWidth - width()) mLRSnap = 2;
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if(dstVer==0) mTBSnap = 1;
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else if(dstVer==expertWin->screenHeight - height()) mTBSnap = 2;
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if(mLRSnap==0) foreach(ScreenUnit *ele, mOtherEles) {//左右
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if(abs(dstHor - ele->x()) < SnapSpace && ele->x() <= expertWin->screenWidth - width()) {
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dstHor = ele->x();
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mLRSnap = 1;
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ele->mLRSnap = 1;
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ele->update();
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break;
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}
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auto eleRight = ele->x() + ele->width();
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if(abs(dstHor - eleRight) < SnapSpace && eleRight <= expertWin->screenWidth - width()) {
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dstHor = eleRight;
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mLRSnap = 1;
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ele->mLRSnap = 2;
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ele->update();
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break;
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}
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auto right = dstHor + width();
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if(abs(right - ele->x()) < SnapSpace && ele->x() - width() >= 0) {
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dstHor = ele->x() - width();
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mLRSnap = 2;
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ele->mLRSnap = 1;
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ele->update();
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break;
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}
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if(abs(right - eleRight) < SnapSpace && eleRight - width() >= 0) {
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dstHor = eleRight - width();
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mLRSnap = 2;
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ele->mLRSnap = 2;
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ele->update();
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break;
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}
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}
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if(mTBSnap==0) foreach(ScreenUnit *ele, mOtherEles) {//上下
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if(abs(dstVer-ele->y()) < SnapSpace && ele->y() <= expertWin->screenHeight - height()) {
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dstVer = ele->y();
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mTBSnap = 1;
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ele->mTBSnap = 1;
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ele->update();
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break;
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}
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auto eleBtm = ele->y() + ele->height();
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if(abs(dstVer - eleBtm) < SnapSpace && eleBtm <= expertWin->screenHeight - height()) {
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dstVer = eleBtm;
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mTBSnap = 1;
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ele->mTBSnap = 2;
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ele->update();
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break;
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}
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auto btm = dstVer + height();
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if(abs(btm - ele->y()) < SnapSpace && ele->y() - height() >= 0) {
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dstVer = ele->y() - height();
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mTBSnap = 2;
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ele->mTBSnap = 1;
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ele->update();
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break;
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}
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if(abs(btm - eleBtm) < SnapSpace && eleBtm - height() >= 0) {
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dstVer = eleBtm - height();
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mTBSnap = 2;
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ele->mTBSnap = 2;
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ele->update();
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break;
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}
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}
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move(dstHor, dstVer);
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mX = qRound(dstHor / expertWin->rate);
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mY = qRound(dstVer / expertWin->rate);
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update();
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} else if(mFrmSec==Qt::BottomRightSection) {
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if(dstHor < m_handleLen) dstHor = m_handleLen;
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if(dstVer < m_handleLen) dstVer = m_handleLen;
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if(expertWin->screenWidth>0 && expertWin->screenHeight>0) {
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dstHor = qMin(dstHor, expertWin->screenWidth - x());
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dstVer = qMin(dstVer, expertWin->screenHeight - y());
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}
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resize(dstHor, dstVer);
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mW = qRound(dstHor / expertWin->rate);
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mH = qRound(dstVer / expertWin->rate);
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} else if(mFrmSec==Qt::RightSection) {
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if(dstHor < m_handleLen) dstHor = m_handleLen;
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if(expertWin->screenWidth>0 && expertWin->screenHeight>0) dstHor = qMin(dstHor, expertWin->screenWidth - x());
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auto right = x() + dstHor;
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if(right < expertWin->screenWidth-8) foreach(ScreenUnit *ele, mOtherEles) {//左右
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if(abs(right - ele->x()) < SnapSpace) {
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dstHor = ele->x() - x();
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mLRSnap = 2;
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ele->mLRSnap = 1;
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ele->update();
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break;
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}
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auto eleRight = ele->x() + ele->width();
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if(abs(right - eleRight) < SnapSpace) {
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dstHor = eleRight - x();
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mLRSnap = 2;
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ele->mLRSnap = 2;
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ele->update();
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break;
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}
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}
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resize(dstHor, mPressRel.y());
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mW = qRound(dstHor / expertWin->rate);
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} else if(mFrmSec==Qt::BottomSection) {
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if(dstVer < m_handleLen) dstVer = m_handleLen;
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if(expertWin->screenWidth>0 && expertWin->screenHeight>0) dstVer = qMin(dstVer, expertWin->screenHeight - y());
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auto btm = y() + dstVer;
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if(btm < expertWin->screenHeight-8) foreach(ScreenUnit *ele, mOtherEles) {//上下
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auto eleBtm = ele->y() + ele->height();
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if(abs(btm - ele->y()) < SnapSpace) {
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dstVer = ele->y() - y();
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mTBSnap = 2;
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ele->mTBSnap = 1;
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ele->update();
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break;
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}
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if(abs(btm - eleBtm) < SnapSpace) {
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dstVer = eleBtm - y();
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mTBSnap = 2;
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ele->mTBSnap = 2;
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ele->update();
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break;
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}
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}
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resize(mPressRel.rx(), dstVer);
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mH = qRound(dstVer / expertWin->rate);
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} else {
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auto geo = geometry();
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if(mFrmSec==Qt::LeftSection) {
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dstHor = qMin(dstHor, geo.right() - m_handleLen);
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if(dstHor < 0) dstHor = 0;
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if(dstHor > 8) foreach(ScreenUnit *ele, mOtherEles) {//左右
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if(abs(dstHor - ele->x()) < SnapSpace) {
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dstHor = ele->x();
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mLRSnap = 1;
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ele->mLRSnap = 1;
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ele->update();
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break;
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}
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auto eleRight = ele->x() + ele->width();
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if(abs(dstHor - eleRight) < SnapSpace) {
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dstHor = eleRight;
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mLRSnap = 1;
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ele->mLRSnap = 2;
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ele->update();
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break;
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}
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}
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geo.setLeft(dstHor);
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} else if(mFrmSec==Qt::TopSection) {
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dstVer = qMin(dstVer, geo.bottom() - m_handleLen);
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if(dstVer < 0) dstVer = 0;
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if(dstVer > 8) foreach(ScreenUnit *ele, mOtherEles) {//上下
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if(abs(dstVer - ele->y()) < SnapSpace) {
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dstVer = ele->y();
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mTBSnap = 1;
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ele->mTBSnap = 1;
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ele->update();
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break;
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}
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auto eleBtm = ele->y() + ele->height();
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if(abs(dstVer - eleBtm) < SnapSpace) {
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dstVer = eleBtm;
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mTBSnap = 1;
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ele->mTBSnap = 2;
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ele->update();
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break;
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}
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}
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geo.setTop(dstVer);
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} else if(mFrmSec==Qt::TopLeftSection) {
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dstHor = qMin(dstHor, geo.right() - m_handleLen);
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dstVer = qMin(dstVer, geo.bottom() - m_handleLen);
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if(dstHor < 0) dstHor = 0;
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if(dstVer < 0) dstVer = 0;
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geo.setLeft(dstHor);
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geo.setTop(dstVer);
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} else if(mFrmSec==Qt::TopRightSection) {
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dstHor = qMax(dstHor, geo.x() + m_handleLen);
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dstVer = qMin(dstVer, geo.bottom() - m_handleLen);
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if(dstHor > expertWin->screenWidth) dstHor = expertWin->screenWidth;
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if(dstVer < 0) dstVer = 0;
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geo.setRight(dstHor);
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geo.setTop(dstVer);
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} else if(mFrmSec==Qt::BottomLeftSection) {
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dstHor = qMin(dstHor, geo.right() - m_handleLen);
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dstVer = qMax(dstVer, geo.y() + m_handleLen);
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if(dstHor < 0) dstHor = 0;
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if(dstVer > expertWin->screenHeight) dstVer = expertWin->screenHeight;
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geo.setLeft(dstHor);
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geo.setBottom(dstVer);
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}
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setGeometry(geo);
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mX = qRound(geo.x() / expertWin->rate);
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mY = qRound(geo.y() / expertWin->rate);
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mW = qRound(geo.width() / expertWin->rate);
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mH = qRound(geo.height() / expertWin->rate);
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}
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}
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void ScreenUnit::leaveEvent(QEvent *) {
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setFrmSecIfNeed(Qt::NoSection, Qt::ArrowCursor);
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mPressRel.setX(INT_MIN);
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}
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void ScreenUnit::setFrmSecIfNeed(Qt::WindowFrameSection frmSec, Qt::CursorShape cursor) {
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if(mFrmSec==frmSec) return;
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mFrmSec = frmSec;
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if(cursor==Qt::ArrowCursor) unsetCursor();
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else setCursor(cursor);
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}
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void ScreenUnit::clearSnap() {
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if(mLRSnap==0 && mTBSnap==0) return;
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mLRSnap = mTBSnap = 0;
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update();
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}
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