choice.h

爱可视605看PDF程式源代码, 基于APDF

#ifndef CHOICE_H
#define CHOICE_H

#include <qpixmap.h>
#include <qwidget.h>
#include <qrect.h>
#include <qtimer.h>

class Choice : public QWidget {
	Q_OBJECT
 public:
	Choice(const QString &label, QWidget *parent);
	void setLabel(const QString &label);

 protected:
	virtual void paintEvent(QPaintEvent *evt);
	int arrowBaseLinePos();
	int rArrowXPos();
	static QPixmap *s_larrow, *s_rarrow;

 private:
	QString m_label;
};

class XofYChoice : public Choice {
	Q_OBJECT
 public:
	XofYChoice(int x, int y, QWidget *parent);
	int getX();
	void setValues(int x, int y);

 signals:
	void valueChanged(int x);

 protected:
	virtual void keyReleaseEvent(QKeyEvent *e);
	virtual void mouseMoveEvent(QMouseEvent *e);
	virtual void mousePressEvent(QMouseEvent *e);
	virtual void mouseReleaseEvent(QMouseEvent *e);

  private slots:
	void updateX();

 private:
	int m_x, m_y;
	QTimer mousepress_timer;
	enum { left, right } timer_direction;

	QRect leftArrowRect();
	QRect rightArrowRect();
	void incX();
	void decX();
};

#endif // CHOICE_H