414 lines
11 KiB
C++
414 lines
11 KiB
C++
#include "BaseWgt.h"
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#include <QHoverEvent>
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#include <QApplication>
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#include <QDesktopWidget>
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#include <QDebug>
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#include <QDir>
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enum MouseStyle{ NORMAL, RIGHT, BOTTOMRIGHT, BOTTOM } mouseStyle;
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BaseWgt::BaseWgt(QWidget *parent)
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: QWidget(parent)
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, m_bResizable(true)
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, m_iMarginWidth(6)
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, m_bPressed(false)
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, m_ptPressPos(0, 0)
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, m_bIsMaxState(false)
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{
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//this->setAttribute(Qt::WA_TranslucentBackground);
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this->setWindowFlags(Qt::FramelessWindowHint | Qt::Window);
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this->initUiControl();
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this->initSignalSlotConn();
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this->setAttribute(Qt::WA_Hover);
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this->installEventFilter(this);
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}
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BaseWgt::~BaseWgt()
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{
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}
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bool BaseWgt::eventFilter(QObject *obj, QEvent *event)
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{
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if (obj != this && obj != m_pTopWgt)
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{
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return false;
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}
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switch(event->type())
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{
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case QEvent::MouseMove:
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{
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QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent *>(event);
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if (m_bPressed && mouseStyle == NORMAL && NULL != mouseEvent)
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{
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//如果是最大化，则先恢复正常状态
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if (m_bIsMaxState)
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{
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QPoint pt = this->mapFromGlobal(QCursor::pos());
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int iMaxWidth = this->width();
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m_bIsMaxState = !m_bIsMaxState;
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this->resize(m_normalRect.size());
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m_pMaxBtn->setProperty("maxState", false);
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m_pMaxBtn->setToolTip("最大化");
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QStyle *pStyle = this->style();
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pStyle->unpolish(m_pMaxBtn);
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pStyle->polish(m_pMaxBtn);
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m_ptPressPos.setY(pt.y());
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m_ptPressPos.setX(pt.x() * (this->width() - 100) / (iMaxWidth - 100));
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}
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this->move(this->mapToGlobal(mouseEvent->pos()) - m_ptPressPos);
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return true;
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}
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break;
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}
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//[1]鼠标在界面上移动
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case QEvent::HoverMove:
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{
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QHoverEvent *hoverEvent = dynamic_cast<QHoverEvent *>(event);
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if (m_bPressed)
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{
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//只能在界面右边或者右下角缩放界面
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QPoint ptGlobalPos = this->mapToGlobal(hoverEvent->pos());
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QPoint ptTopLeft = this->frameGeometry().topLeft();
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QPoint ptBottomRight = this->frameGeometry().bottomRight();
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switch(mouseStyle)
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{
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case BOTTOM:
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if (ptGlobalPos.y() - ptTopLeft.y() > this->minimumHeight())
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{
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ptBottomRight.setY(ptGlobalPos.y());
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}
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else
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{
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ptBottomRight.setY(ptTopLeft.y() + this->minimumHeight());
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}
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break;
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case RIGHT:
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if (ptGlobalPos.x() - ptTopLeft.x() > this->minimumWidth())
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{
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ptBottomRight.setX(ptGlobalPos.x());
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}
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else
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{
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ptBottomRight.setX(ptTopLeft.x() + this->minimumWidth());
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}
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break;
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case BOTTOMRIGHT:
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if (ptGlobalPos.y() - ptTopLeft.y() > this->minimumHeight())
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{
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ptBottomRight.setY(ptGlobalPos.y());
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}
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else
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{
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ptBottomRight.setY(ptTopLeft.y() + this->minimumHeight());
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}
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if (ptGlobalPos.x() - ptTopLeft.x() > this->minimumWidth())
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{
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ptBottomRight.setX(ptGlobalPos.x());
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}
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else
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{
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ptBottomRight.setX(ptTopLeft.x() + this->minimumWidth());
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}
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break;
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}
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this->setGeometry(QRect(ptTopLeft, ptBottomRight));
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return true;
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}
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else
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{
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changeMouseStyle(hoverEvent->pos());
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}
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}
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break;
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//[1]end 鼠标在界面上移动
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//[2]鼠标按下
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case QEvent::MouseButtonPress:
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{
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//在顶部/右方边缘/右下角时，鼠标按下时做标记
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QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent *>(event);
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if (mouseEvent->button() == Qt::LeftButton)
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{
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if (mouseEvent->pos().y() <= TOP_HEIGHT | mouseStyle != NORMAL)
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{
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qDebug()<<"pressed in";
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m_bPressed = true;
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m_ptPressPos = mouseEvent->globalPos() - this->frameGeometry().topLeft();
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}
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}
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}
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break;
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//[2]end 鼠标按下
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//[3]鼠标左键松开
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case QEvent::MouseButtonRelease:
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{
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QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent *>(event);
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if (mouseEvent->button() == Qt::LeftButton)
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{
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qDebug()<<"release in";
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m_bPressed = false;
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changeMouseStyle(mouseEvent->pos());
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}
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}
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break;
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//[3]end 鼠标左键松开
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//[4]鼠标双击
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case QEvent::MouseButtonDblClick:
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{
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QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent *>(event);
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if (mouseEvent->button() == Qt::LeftButton && mouseEvent->pos().y() <= TOP_HEIGHT)
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{
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qDebug()<<"dbc in";
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maximumBtnClickedSlot();
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return true;
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}
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}
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break;
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//[4]鼠标双击
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case QEvent::Show:
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{
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repaint();
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}
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default:
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break;
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}
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return false;
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}
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void BaseWgt::changeMouseStyle(const QPoint &ptMousePos)
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{
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if (!m_bResizable)
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{
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setCursor(Qt::ArrowCursor);//正常样式
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mouseStyle = NORMAL;
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return;
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}
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if (m_bIsMaxState)
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{
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setCursor(Qt::ArrowCursor);//正常样式
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mouseStyle = NORMAL;
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return;
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}
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int iPosX = ptMousePos.x();
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int iPosY = ptMousePos.y();
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int iWidth = this->width();
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int iHeight = this->height();
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if (iPosX >= iWidth - m_iMarginWidth && iPosX <= iWidth)
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{
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if (iPosY >= iHeight - m_iMarginWidth && iPosY <= iHeight)
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{
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setCursor(Qt::SizeFDiagCursor);//右下
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mouseStyle = BOTTOMRIGHT;
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return;
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}
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setCursor(Qt::SizeHorCursor);
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mouseStyle = RIGHT;//右
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return;
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}
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if (iPosY >= iHeight - m_iMarginWidth && iPosY <= iHeight)
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{
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setCursor(Qt::SizeVerCursor);//下
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mouseStyle = BOTTOM;
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return;
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}
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setCursor(Qt::ArrowCursor);
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mouseStyle = NORMAL;
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return;
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}
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//[4]设置是否可以伸缩
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void BaseWgt::setResizable(bool bResizable)
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{
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m_bResizable = bResizable;
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}
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//[4]end 设置是否可以伸缩
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//[5]设置鼠标样式在界面边缘改变的范围
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void BaseWgt::setMargin(const int &iMargin)
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{
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m_iMarginWidth = iMargin;
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}
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//[5]end 设置鼠标样式在界面边缘改变的范围
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void BaseWgt::initUiControl()
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{
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//设置使程序支持中文字符
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QTextCodec *codec = QTextCodec::codecForName("System"); // 获取系统编码
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QTextCodec::setCodecForLocale(codec);
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// QTextCodec::setCodecForCStrings(codec);
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// QTextCodec::setCodecForTr(codec);
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QDesktopWidget*pDeskTop = QApplication::desktop();
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if(pDeskTop->screenCount() >= 2)
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{
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m_screenRect = pDeskTop->screenGeometry(pDeskTop->primaryScreen() == 0?1:0);
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}
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else
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{
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m_screenRect = pDeskTop->availableGeometry();//保存屏幕大小
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}
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m_pBottomWgt = new QWidget(this);
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m_pBottomWgt->setObjectName("m_pBottomWgt");
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QVBoxLayout *pVBoxLayoutBottom = new QVBoxLayout(this);
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pVBoxLayoutBottom->setMargin(0);
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pVBoxLayoutBottom->setSpacing(0);
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pVBoxLayoutBottom->addWidget(m_pBottomWgt);
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m_pTopWgt = new QWidget(this);
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m_pTopWgt->installEventFilter(this);
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m_pTopWgt->setObjectName("m_pTopWgt");
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m_pTopWgt->setMinimumHeight(TOP_HEIGHT);
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m_pTopWgt->setMaximumHeight(TOP_HEIGHT);
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//m_pTopWgt->setAttribute(Qt::WA_Hover);
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m_pMainWgt = new QWidget(this);
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m_pMainWgt->setObjectName("m_pMainWgt");
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QVBoxLayout *pVBoxLayout = new QVBoxLayout(m_pBottomWgt);
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pVBoxLayout->setMargin(0);
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pVBoxLayout->setSpacing(0);
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pVBoxLayout->addWidget(m_pTopWgt);
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pVBoxLayout->addWidget(m_pMainWgt);
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m_pIconLabel = new QLabel(this);
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m_pTitleLbl = new QLabel(this);
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m_pMinBtn = new QPushButton(this);
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m_pMaxBtn = new QPushButton(this);
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m_pCloseBtn = new QPushButton(this);
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m_pIconLabel->setMinimumSize(20, 20);
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m_pIconLabel->setMaximumSize(20, 20);
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m_pMinBtn->setMinimumSize(27, 22);
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m_pMinBtn->setMaximumSize(27, 22);
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m_pMaxBtn->setMinimumSize(27, 22);
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m_pMaxBtn->setMaximumSize(27, 22);
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m_pCloseBtn->setMinimumSize(42, 22);
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m_pCloseBtn->setMaximumSize(42, 22);
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m_pMinBtn->setToolTip("最小化");
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m_pMaxBtn->setToolTip("最大化");
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m_pCloseBtn->setToolTip("关闭");
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m_pIconLabel->setObjectName("m_pIconLabel");
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m_pTitleLbl->setObjectName("m_pTitleLbl");
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m_pMinBtn->setObjectName("m_pMinBtn");
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m_pMaxBtn->setObjectName("m_pMaxBtn");
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m_pCloseBtn->setObjectName("m_pCloseBtn");
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QHBoxLayout *pHBoxLayout = new QHBoxLayout;
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pHBoxLayout->setContentsMargins(8, 2, 2, 2);
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pHBoxLayout->setSpacing(1);
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pHBoxLayout->addWidget(m_pIconLabel);
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pHBoxLayout->addSpacing(5);
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pHBoxLayout->addWidget(m_pTitleLbl);
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pHBoxLayout->addStretch();
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pHBoxLayout->addWidget(m_pMinBtn);
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pHBoxLayout->addWidget(m_pMaxBtn);
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pHBoxLayout->addWidget(m_pCloseBtn);
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m_pTopWgt->setLayout(pHBoxLayout);
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//载入样式表
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QFile file(WGT_STYLE_PATH);
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if (file.open(QIODevice::ReadOnly))
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{
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QString strSheet = file.readAll();
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setStyleSheet(strSheet);
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}
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}
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//初始化信号槽连接
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void BaseWgt::initSignalSlotConn()
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{
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connect(m_pMinBtn, SIGNAL(clicked()), this, SLOT(minimumBtnClickedSlot()));
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connect(m_pMaxBtn, SIGNAL(clicked()), this, SLOT(maximumBtnClickedSlot()));
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connect(m_pCloseBtn, SIGNAL(clicked()), this, SLOT(close()));
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}
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//最小化按钮单击槽函数
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void BaseWgt::minimumBtnClickedSlot()
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{
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showMinimized();
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}
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//最大化按钮单击槽函数
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void BaseWgt::maximumBtnClickedSlot()
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{
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m_bIsMaxState = !m_bIsMaxState;
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if (m_bIsMaxState)
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{
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//记录下正常窗口的状态
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m_normalRect.setTopLeft(this->frameGeometry().topLeft());
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m_normalRect.setSize(this->size());
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this->setGeometry(m_screenRect);
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m_pMaxBtn->setProperty("maxState", true);
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m_pMaxBtn->setToolTip("restore");
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}
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else
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{
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this->setGeometry(m_normalRect);
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m_pMaxBtn->setProperty("maxState", false);
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m_pMaxBtn->setToolTip("最大化");
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}
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QStyle *pStyle = this->style();
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pStyle->unpolish(m_pMaxBtn);
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pStyle->polish(m_pMaxBtn);
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}
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void BaseWgt::setSysIcon(const QString &url)
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{
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qDebug()<<QDir::currentPath();
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QPixmap *pixmap = new QPixmap(url);
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m_pTitleLbl->setPixmap(*pixmap);
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}
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//设置窗口标题
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void BaseWgt::setWindowTitle(const QString &strTitle)
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{
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m_pTitleLbl->setText(strTitle);
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m_pTitleLbl->setFixedSize(m_pTitleLbl->sizeHint());
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m_pTitleLbl->setFixedHeight(22);
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}
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void BaseWgt::hideTopWgt()
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{
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m_pTopWgt->hide();
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}
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void BaseWgt::setTopWgtHiddent(bool bHide)
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{
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if(bHide)
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{
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m_pTopWgt->hide();
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}
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else
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{
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m_pTopWgt->show();
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}
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}
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void BaseWgt::setCloseBtnVisible(bool bVisible)
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{
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if(!m_pCloseBtn) return;
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m_pCloseBtn->setVisible(bVisible);
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}
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