422 lines
11 KiB
C++
422 lines
11 KiB
C++
/**
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* @file PaiDialog.cpp
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* @date 2011-10-17
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*/
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#include <QMouseEvent>
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#include <QPainter>
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#include <QDesktopWidget>
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#include <QApplication>
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#include "PaiDialog.h"
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#include "PaiWidget.h"
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#include "Configure.h"
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using namespace pai::gui;
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const int WIDGET_MARGIN = 5;
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bool PaiDialog::m_InitWinChangeSizeMode = false;
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int PaiDialog::m_WinChangeSizeMode = 0;//默认采用鼠标改变窗体大小时，窗体实时改变显示，可在配置文件pai.conf修改
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PaiDialog::PaiDialog(QWidget *pParent, Qt::WindowFlags flag) :
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QDialog(pParent, flag),
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m_ResizeDirction(ResizeDirction_None),
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m_IsPress(false),
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m_moved(false),
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m_TimerID(-1),
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m_ConstSize(false)
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{
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setMouseTracking(true);
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setWindowFlags(windowFlags() | Qt::FramelessWindowHint);
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m_pRubberBand = new QRubberBand(QRubberBand::Rectangle);
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m_pTitleBar = new pai::gui::PaiTitleBar(this);
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m_pTitleBar->SetTitleBarFlags(PaiTitleBar::CloseButtonHint);
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m_pContainer = new PaiWidget(this);
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m_pContainer->setObjectName("DialogMainWidget");
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m_pContainer->setStyleSheet("QWidget#DialogMainWidget{background-color: #E4EEFA}");
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if(!PaiDialog::m_InitWinChangeSizeMode)
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{
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PaiDialog::m_InitWinChangeSizeMode = true;
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// 设置鼠标改变窗体大小显示方式
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pai::conf::CConfigure conf;
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QString winChangeSizeMode = QString::fromStdString(conf.GetValueByKey("WINDOW_CHANGESIZE_MODE"));
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if(!winChangeSizeMode.isEmpty())
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{
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bool bOK;
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int mode = winChangeSizeMode.toInt(&bOK, 10);
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if(bOK)
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{
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PaiDialog::SetWindowChangeSizeMode(mode);
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}
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}
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}
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QVBoxLayout *pContainerLayout = new QVBoxLayout;
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pContainerLayout->setContentsMargins(WIDGET_MARGIN, 0, WIDGET_MARGIN, WIDGET_MARGIN);
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pContainerLayout->setSpacing(0);
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pContainerLayout->addWidget(m_pContainer);
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QVBoxLayout *pMainLayout = new QVBoxLayout(this);
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pMainLayout->setContentsMargins(1, 1, 1, 1);
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pMainLayout->setSpacing(0);
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pMainLayout->addWidget(m_pTitleBar);
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pMainLayout->addLayout(pContainerLayout);
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pMainLayout->setSizeConstraint(QLayout::SetDefaultConstraint);
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connect(m_pTitleBar, SIGNAL(HandleExitButton()), this, SIGNAL(CloseButtonClicked()));
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connect(m_pTitleBar, SIGNAL(HandleExitButton()), this, SLOT(close()));
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connect(m_pTitleBar, SIGNAL(HandleMinimumButton()), this, SLOT(showMinimized()));
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}
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PaiDialog::~PaiDialog()
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{
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if(m_pRubberBand)
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{
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delete m_pRubberBand;
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m_pRubberBand = NULL;
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}
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}
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void PaiDialog::setGeometry(int x, int y, int w, int h)
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{
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setGeometry(QRect(x, y, w, h));
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}
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void PaiDialog::setGeometry(const QRect & rect)
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{
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QDialog::setGeometry(rect);
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QDesktopWidget *pDesktop = QApplication::desktop();
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if(pDesktop)
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{
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QRect screenRect = pDesktop->availableGeometry();
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if(screenRect.isValid() && screenRect.contains(QRect(rect)))
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{
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m_pTitleBar->ChangeRestoreButtonState(false);
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}
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}
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}
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void PaiDialog::mousePressEvent(QMouseEvent *pEvent)
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{
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QDialog::mousePressEvent(pEvent);
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// 鼠标在边界，要触发resize事件
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m_IsPress = true;
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}
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void PaiDialog::mouseReleaseEvent(QMouseEvent *pEvent)
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{
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QDialog::mouseReleaseEvent(pEvent);
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m_pRubberBand->hide();
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m_IsPress = false;
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if(m_moved && (pEvent->button() == Qt::LeftButton) && (m_ResizeDirction != ResizeDirction_None))
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{
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m_moved = false;
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setGeometry(m_pRubberBand->geometry());
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pEvent->accept();
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}
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m_ResizeDirction = ResizeDirction_None;
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setCursor(Qt::ArrowCursor);
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}
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void PaiDialog::mouseMoveEvent(QMouseEvent *pEvent)
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{
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QDialog::mouseMoveEvent(pEvent);
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if(!m_ConstSize)
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{
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if(!m_IsPress)
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{
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SetCursorShape(pEvent->pos());
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}
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if(pEvent->buttons() & Qt::LeftButton)
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{
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// resize事件
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if(m_ResizeDirction != ResizeDirction_None)
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{
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m_moved = true;
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if(!m_pRubberBand->isVisible())
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{
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m_pRubberBand->setGeometry(frameGeometry());
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m_pRubberBand->show();
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}
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ResizeFrame(pEvent->globalPos());
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if(PaiDialog::m_WinChangeSizeMode != 0)
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{
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setGeometry(m_pRubberBand->geometry());
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}
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pEvent->accept();
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}
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}
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}
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}
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void PaiDialog::timerEvent(QTimerEvent *)
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{
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if(!m_IsPress)
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{
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SetCursorShape(mapFromGlobal(QCursor::pos()));
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}
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}
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void PaiDialog::SetCursorShape(const QPoint & mousePos)
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{
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QRect qRect = rect();
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// 左上
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if((qAbs(mousePos.x() - qRect.left()) <= 5) && (qAbs(mousePos.y() - qRect.top()) <= 5))
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{
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setCursor(Qt::SizeFDiagCursor);
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m_ResizeDirction = ResizeDirction_TopLeft;
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}
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//左下
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else if((qAbs(mousePos.x() - qRect.left()) <= 5) && (qAbs(mousePos.y() - qRect.bottom()) <= 5))
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{
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setCursor(Qt::SizeBDiagCursor);
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m_ResizeDirction = ResizeDirction_BottomLeft;
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}
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//右上
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else if((qAbs(mousePos.x() - qRect.right()) <= 5) && (qAbs(mousePos.y() - qRect.top()) <= 5))
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{
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setCursor(Qt::SizeBDiagCursor);
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m_ResizeDirction = ResizeDirction_TopRight;
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}
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//右下
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else if((qAbs(mousePos.x() - qRect.right()) <= 5) && (qAbs(mousePos.y() - qRect.bottom()) <= 5))
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{
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setCursor(Qt::SizeFDiagCursor);
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m_ResizeDirction = ResizeDirction_BottomRight;
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}
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//左
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else if((qAbs(mousePos.x() - qRect.left()) <= 5) && !(mousePos.y() - qRect.top() < 2 || qRect.bottom() - mousePos.y() < 2))
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{
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setCursor(Qt::SizeHorCursor);
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m_ResizeDirction = ResizeDirction_Left;
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}
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//右
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else if((qAbs(mousePos.x() - qRect.right()) <= 5) && !(mousePos.y() - qRect.top() < 2 || qRect.bottom() - mousePos.y() < 2))
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{
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setCursor(Qt::SizeHorCursor);
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m_ResizeDirction = ResizeDirction_Right;
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}
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//上
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else if((qAbs(mousePos.y() - qRect.top()) <= 5) && !(mousePos.x() - qRect.left() < 2 || qRect.right() - mousePos.x() < 2))
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{
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setCursor(Qt::SizeVerCursor);
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m_ResizeDirction = ResizeDirction_Top;
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}
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//下
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else if((qAbs(mousePos.y() - qRect.bottom()) <= 5) && !(mousePos.x() - qRect.left() < 2 || qRect.right() - mousePos.x() < 2))
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{
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setCursor(Qt::SizeVerCursor);
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m_ResizeDirction = ResizeDirction_Bottom;
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}
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else
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{
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if(!m_IsPress)
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{
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setCursor(Qt::ArrowCursor);
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m_ResizeDirction = ResizeDirction_None;
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if(m_TimerID != -1)
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{
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killTimer(m_TimerID);
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m_TimerID = -1;
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}
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}
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}
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if(m_ResizeDirction != ResizeDirction_None)
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{
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if(m_TimerID == -1)
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{
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m_TimerID = startTimer(100);
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}
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}
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}
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void PaiDialog::ResizeFrame(const QPoint & mousePos)
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{
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QRect origRect = m_pRubberBand->frameGeometry();
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int left = origRect.left();
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int top = origRect.top();
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int right = origRect.right();
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int bottom = origRect.bottom();
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origRect.getCoords(&left, &top, &right, &bottom);
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int minWidth = minimumWidth();
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int minHeight = minimumHeight();
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switch(m_ResizeDirction)
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{
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case ResizeDirction_Top:
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{
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top = mousePos.y();
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}
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break;
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case ResizeDirction_Bottom:
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{
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bottom = mousePos.y();
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}
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break;
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case ResizeDirction_Left:
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{
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left = mousePos.x();
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}
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break;
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case ResizeDirction_Right:
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{
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right = mousePos.x();
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}
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break;
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case ResizeDirction_TopLeft:
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{
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top = mousePos.y();
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left = mousePos.x();
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}
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break;
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case ResizeDirction_TopRight:
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{
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top = mousePos.y();
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right = mousePos.x();
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}
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break;
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case ResizeDirction_BottomLeft:
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{
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bottom = mousePos.y();
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left = mousePos.x();
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}
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break;
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case ResizeDirction_BottomRight:
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{
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bottom = mousePos.y();
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right = mousePos.x();
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}
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break;
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case ResizeDirction_None:
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default:
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break;
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}
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QRect newRect(QPoint(left, top), QPoint(right, bottom));
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if(newRect.isValid())
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{
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if(minWidth > newRect.width())
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{
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if(left != origRect.left())
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{
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newRect.setLeft(origRect.left());
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}
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else
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{
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newRect.setRight(origRect.right());
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}
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}
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if(minHeight > newRect.height())
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{
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if(top != origRect.top())
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{
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newRect.setTop(origRect.top());
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}
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else
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{
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newRect.setBottom(origRect.bottom());
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}
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}
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m_pRubberBand->setGeometry(newRect);
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}
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}
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QWidget* PaiDialog::GetContainer()
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{
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return m_pContainer;
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}
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void PaiDialog::setWindowTitle(const QString & windowTitle)
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{
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m_pTitleBar->SetTitle(windowTitle);
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}
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void PaiDialog::SetTitleBarFlags(PaiTitleBar::TitleBarFlags flags)
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{
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m_pTitleBar->SetTitleBarFlags(flags);
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if(flags & PaiTitleBar::MinimumButtonHint)
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{
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// add minimize button and close button, the default only contains close button.
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// window flag is needed, because the dialog flag will not accept the minimize flag.
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setWindowFlags(Qt::FramelessWindowHint | Qt::Window | Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint);
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}
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}
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PaiTitleBar::TitleBarFlags PaiDialog::GetTitleBarFlags() const
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{
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return m_pTitleBar->GetTitleBarFlags();
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}
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void PaiDialog::setLayout(QLayout *pLayout)
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{
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m_pContainer->setLayout(pLayout);
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}
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QLayout* PaiDialog::layout() const
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{
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return m_pContainer->layout();
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}
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void PaiDialog::paintEvent(QPaintEvent *pEvent)
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{
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QDialog::paintEvent(pEvent);
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QPainter painter(this);
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painter.fillRect(rect(), QBrush(QColor("#C9DDEB")));
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painter.setPen(QColor("#829BB5"));
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painter.drawRect(rect().adjusted(0, 0, -1, -1));
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}
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void PaiDialog::InsertTitleBarWidget(QWidget *pWidget, Qt::Alignment alignment)
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{
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m_pTitleBar->InsertWidget(pWidget, alignment);
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}
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void PaiDialog::SetConstraintSize(bool constraint)
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{
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m_ConstSize = constraint;
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}
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void PaiDialog::show()
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{
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if(parentWidget() && (windowFlags() & Qt::WindowMinimizeButtonHint))
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{
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QPoint centerPoint = parentWidget()->mapToGlobal(parentWidget()->geometry().center());
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int x = centerPoint.x() - (sizeHint().width() / 2);
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int y = centerPoint.y() - (sizeHint().height() / 2) - 100; // 抬高100px
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move((x < 0) ? 0 : x, (y < 0) ? 0 : y);
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}
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QDialog::show();
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}
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int PaiDialog::exec()
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{
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if(parentWidget() && (windowFlags() & Qt::WindowMinimizeButtonHint))
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{
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QPoint centerPoint = parentWidget()->geometry().center();
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int x = centerPoint.x() - (size().width() / 2);
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int y = centerPoint.y() - (size().height() / 2) - 60; // 抬高60px
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move((x < 0) ? 0 : x, (y < 0) ? 0 : y);
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}
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return QDialog::exec();
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}
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void PaiDialog::SetWindowChangeSizeMode(int mode)
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{
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PaiDialog::m_WinChangeSizeMode = mode;
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}
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