keyboardwidget_internal.h

来自「爱可视605看PDF程式源代码, 基于APDF」· C头文件 代码 · 共 65 行

#ifndef KEYBOARD_WIDGET_INTERNAL_H
#define KEYBOARD_WIDGET_INTERNAL_H

#include "keyboard_layouts.h"
#include <qwidget.h>

class QImage;


namespace archos {

class KeyboardWidgetInternal : public QWidget {
	Q_OBJECT

 public:
	        KeyboardWidgetInternal( QWidget *parent );
	virtual ~KeyboardWidgetInternal();

	        void setReceiver( QWidget* receiver );

	virtual bool eventFilter( QObject *obj, QEvent *evt );
	virtual int  heightForWidth( int w ) const;

 signals:
	void enterPressed();

 protected:
	virtual void paintEvent( QPaintEvent *evt );
	virtual void keyPressEvent( QKeyEvent *evt );
	virtual void keyReleaseEvent( QKeyEvent *evt );
	virtual void mousePressEvent( QMouseEvent *evt );
	virtual void mouseReleaseEvent( QMouseEvent *evt );
	virtual void mouseMoveEvent( QMouseEvent *evt );
	virtual void timerEvent( QTimerEvent *evt );

 private:
	const Layout *m_layout;
	QWidget *m_tgt;
	int m_selection,
		m_selection_bak,
		m_modifier;
	bool m_ignore_event;

	QRect   areaFor( int index ) const;
	int     indexAt( int xpos, int ypos ) const;
	bool    isValidKey( wchar key ) const;
	wchar   getKey( int index, int modifier ) const;
	QString getKeyLabel( wchar key, QImage **icon, bool blue, bool disabled ) const;
	void    displayKeyLabel( QPainter *p, int index, int modifier, const QRect &area ) const;
	void    displayKey( QPainter *p, int index ) const;
	QRect   displayButton( QPainter *p, int index ) const;
	const Layout* getLayout() const;

	void    reset();
	void    toggleModifier();
	void    toggleArea();
	void    handleOkPressed( bool autorepeat );
	void    moveSelection( int dir );
	void    sendKey( wchar key, bool autorepeat );
};

}

#endif // KEYBOARD_WIDGET_INTERNAL_H