keyboard.cpp

linux 下keypad 使用详细代码,请查看

#include <qapplication.h>
#include <qpainter.h>
#include <qwidget.h>
#include <stdio.h>



class TestKeyboard : public QWidget	
{
public:
    TestKeyboard();
protected:
     void    keyPressEvent( QKeyEvent * );
     void    keyReleaseEvent(QKeyEvent *);
};

TestKeyboard::TestKeyboard()
{
}


/*
S3C2410_GPF3: Menu key    keyval=0x01
S3C2410_GPF4: Music key   keyval=0x02
S3C2410_GPF5: Return key  keyval=0x03
S3C2410_GPF6: Delete key  keyval=0x04
S3C2410_GPF7: Enter key   keyval=0x05
S3C2410_GPG0: Up key      keyval=0x06
S3C2410_GPG1: Down key    keyval=0x07
S3C2410_GPG2: Left key    keyval=0x08
S3C2410_GPG3: Right key   keyval=0x09
S3C2410_GPG4: vol+ key    keyval=0x0a
S3C2410_GPG5: vol- key    keyval=0x0b
*/


void TestKeyboard::keyReleaseEvent(QKeyEvent *k)
{
   printf("key release keyvalue=%d\n",k->key());
}


void TestKeyboard::keyPressEvent( QKeyEvent *k )
{
    switch (k->key()){
 	case  0x01:				
	    printf("press Menu_key\n" );
	    break;
	case  0x02:				
	    printf("press Music_key\n");
	    break;
	case  0x03:				
	    printf("press Return_key\n" );
	    break;
	case  0x04:				
	    printf("press Delete_key\n");
	    break;    
 	case 0x05:				
	    printf("press Enter_key\n" );
	    break;
	case 0x06:				
	    printf("press Up_key\n");
	    break;
 	case 0x07:				
	    printf("press Down_key\n" );
	    break;
	case 0x08:				
	    printf("press Left_key\n");
	    break;
 	case 0x09:				
	    printf("press Right_key\n" );
	    break;
	case 0x0a:				
	    printf("press Volp_key\n");
	    break;
	case 0x0b:
	    printf("press Voln_key\n");
	    break;    
	default:
            printf("KeyCode=%d\n",k->key());
	    break;    	    	    	    
      }
}


int main( int argc, char **argv )
{
    QApplication a( argc, argv );		
    TestKeyboard  test; 
    a.setMainWidget( &test);			
    test.setCaption("Test Keyboard  Example");
    test.show();				
    return a.exec();				
}