JuniorHighClient/HJUnHandle/qpaperedithandler.h

#ifndef QPAPEREDITHANDLER_H
#define QPAPEREDITHANDLER_H

#include <QWidget>
#include "ui_qpaperedithandler.h"
#include<QPalette>
#include <QPainter>
#include <QMouseEvent>

#include <QStyledItemDelegate>
#include <vector>
using namespace std;
struct ItemInfo
{
	int id;
	QString origion_imgpath;
	string img_oldpath;
	QImage* pPreviewImg;
	QListWidgetItem* pItem;
};
Q_DECLARE_METATYPE(ItemInfo)
class MyItemPainter : public QStyledItemDelegate
{
	Q_OBJECT

public:
	MyItemPainter(QWidget *parent);
	~MyItemPainter();

private:
	QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const;
	void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const;
};

class QPaperEditHandler : public QWidget
{
	Q_OBJECT
	enum MouseStatus
	{
		Mouse_Normal,
		Mouse_Drag,
		Mouse_Pen,
		Mouse_Line,
		Mouse_Eraser,
		Mouse_Cut,
		Mouse_Cuting,
		Mouse_Locate,
	};

public:
	QPaperEditHandler(QWidget *parent = 0);
	~QPaperEditHandler();
	void SetOrigionImg(QString path, string oldpath);
	void SetImgList(vector<QString> imglist,vector<string> oldpathlist);
	void SetShowSchema(bool bshow);//是否显示模板按钮
	vector<string> GetEditedImgs();
	void ShowMovie(bool bshow=true);
	void SetViewMode(bool view = true);//查看模式，不处理异常
	bool m_bIsEdited;//图片是否修改过
	void SetPaper(int paper_id);
	void SetTitleInfo(string info);
	void SetHandlerKaohaoyichang(bool bViewMode = true);
	int paper_id;
Q_SIGNALS:
	void switchToShibieYichang();
	void PaperChange(QString);
	void sig_SetViewMode(bool);
private:
	void ClickDrag();
	void ClickRoomin();
	void ClickRoomout();
	void ClickRotate90();
	void ClickRotateN90();
	void ClickUndo();
	void ClickRedo();
	void ClickPen(QObject* sender);
	void ClickEraser(QObject* sender);
	void ClickLine(QObject* sender);
	void ClickCut();
	void ClickLocate(QObject* sender);
	void ClickMore();
	void ClickPre();
	void ClickPreView();
	void ClickNext();
	void ClickRestore();
	void ClickSwitchDrag();//切换到拖移模式
	void ClickCur();//考号冲突  点击当前页
	void ClickConflict(int index);//考号冲突 点击重复1 2 3 4 5
	void ClickSwitchPage();
	void paintEvent(QPaintEvent *);
	void mouseMoveEvent(QMouseEvent *event);
	void mousePressEvent(QMouseEvent *event);
	void mouseReleaseEvent(QMouseEvent *event);
	void wheelEvent(QWheelEvent *event);
	virtual void resizeEvent(QResizeEvent *event);
	bool eventFilter(QObject *watched, QEvent *event);
	QPoint PointSwitchToImg(QPoint sPoint);
	QRect RectSwitchImg(QRect sRect);
	QPoint PointSwitchToClient(QPoint sPoint);
	QRect RectSwitchToClient(QRect sRect);

	void Reset();
	void LoadPreview();
private slots:
	void ClickButton();
	
public slots :
	void ClickPreViewLable(int id);
	void ListItemChange(QListWidgetItem*);
	void mergeImg();
	void ClickCutOK();
	void ClickCutDel();
	void ClickCutSave();
	void ClickCutCopy();
private:
	Ui::QPaperEditHandler ui;
	QPoint startPoint;
	QPoint endPoint;
	bool ispressed;
	MouseStatus mousestatus;
	QPixmap bgmap;
	QImage bgimage;
	float room;

	QString origionImgpath;
	string oldimgpath;
	QPoint offset;
	
	int eraserW;
	int eraserH;

	int locateW;
	int locateH;

	QPen pen;
	int penW;
	QColor penColor;
	int lineW;
	QColor lineColor;
	
	vector<ItemInfo> iteminfos;
	vector<QString> origionImglist;
	vector<string> oldImgpathlist;
	MyItemPainter itemPainter;
	bool bLoadedPreview;//延迟加载预览图

	bool m_bShowMovie;
	int NextItem();
	int preItem();
	void HideButtons();
	bool bFirstResize;//第一次显示图片时完整显示，作个标记
	vector<int> m_conflict_paper;
	int m_curpage;//当前操作的是哪一页 对于考号冲突的情况 当切换到其它试卷时，保存当前页号
	string m_titleInfo;
};

#endif // QPAPEREDITHANDLER_H