95 lines
2.1 KiB
C++
95 lines
2.1 KiB
C++
#ifndef SCREENWIDGET_H
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#define SCREENWIDGET_H
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/**
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* 全局截屏控件 作者:feiyangqingyun(QQ:517216493) 2016-11-11
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* 1. 鼠标右键弹出菜单。
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* 2. 支持全局截屏。
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* 3. 支持局部截屏。
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* 4. 支持截图区域拖动。
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* 5. 支持图片另存为。
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*/
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#include <QWidget>
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#include <QMenu>
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#include <QPoint>
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#include <QSize>
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class Screen
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{
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public:
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enum STATUS {SELECT, MOV, SET_W_H};
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Screen() {}
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Screen(QSize size);
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void setStart(QPoint pos);
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void setEnd(QPoint pos);
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QPoint getStart();
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QPoint getEnd();
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QPoint getLeftUp();
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QPoint getRightDown();
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STATUS getStatus();
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void setStatus(STATUS status);
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int width();
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int height();
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//检测坐标点是否在截图区域内
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bool isInArea(QPoint pos);
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//按坐标移动截图区域
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void move(QPoint p);
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private:
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//记录 截图区域 左上角、右下角
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QPoint leftUpPos, rightDownPos;
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//记录 鼠标开始位置、结束位置
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QPoint startPos, endPos;
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//记录屏幕大小
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int maxWidth, maxHeight;
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//三个状态: 选择区域、移动区域、设置width height
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STATUS status;
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//比较两位置，判断左上角、右下角
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void cmpPoint(QPoint &s, QPoint &e);
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};
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#ifdef quc
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class Q_DECL_EXPORT ScreenWidget : public QWidget
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#else
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class ScreenWidget : public QWidget
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#endif
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{
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Q_OBJECT
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public:
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static ScreenWidget *Instance();
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explicit ScreenWidget(QWidget *parent = 0);
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private:
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static QScopedPointer<ScreenWidget> self;
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QMenu *menu; //右键菜单对象
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Screen *screen; //截屏对象
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QPixmap *fullScreen; //保存全屏图像
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QPixmap *bgScreen; //模糊背景图
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QPoint movPos; //坐标
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protected:
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void contextMenuEvent(QContextMenuEvent *);
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void mousePressEvent(QMouseEvent *);
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void mouseMoveEvent(QMouseEvent *);
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void mouseReleaseEvent(QMouseEvent *);
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void paintEvent(QPaintEvent *);
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void showEvent(QShowEvent *);
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private slots:
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void saveScreen();
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void saveFullScreen();
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void saveScreenOther();
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void saveFullOther();
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};
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#endif // SCREENWIDGET_H
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