KeyEvent::KeyEvent(QWidget *parent)
: QWidget(parent)
{
setWindowTitle(tr("键盘事件"));
setAutoFillBackground(true);
QPalette palette = this->palette();
palette.setColor(QPalette::Window,Qt::white);
setPalette(palette);
setMinimumSize(512,256);
setMaximumSize(512,256);
width=size().width();
height=size().height();
pix = new QPixmap(width,height);
pix->fill(Qt::white);
image.load(":/image.png");
startX=0;
startY=0;
step=20;
drawPix();
resize(512,256);
}
TrayIcon::TrayIcon(QObject *parent)
: QSystemTrayIcon(parent)
{
yhenda();
suurus = QSize(100,100);
qDebug()<<"suurus.height() = "<<suurus.height();
font = QFont("Verdana narrow",((suurus.height()-3)/2), QFont::DemiBold);
pmap = new QPixmap(suurus);
drawPix();
taimer.setInterval(1200);
taimer.start();
connect(this, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
this, SLOT(clicked(QSystemTrayIcon::ActivationReason)));
connect(&taimer, SIGNAL(timeout()), this, SLOT(drawPix()));
}
void line_pattern_plot(int x, int y){
drawPix(x,y,
current_line_pattern.R[current_line_pattern_idx],
current_line_pattern.G[current_line_pattern_idx],
current_line_pattern.B[current_line_pattern_idx],
current_line_pattern.Alpha[current_line_pattern_idx]);
current_line_pattern_idx ++;
if (current_line_pattern_idx>=current_line_pattern.length) current_line_pattern_idx=0;
}
//fungsi helper
bool kapalterbang::lineIntersectsSquare(int x1, int y1, int x2, int y2, int xBL, int yBL, int xTR, int yTR){
for (int x=xBL;x<=xTR;x++){
long y = ((long)x-(long)x1)*((long)y2-(long)y1)/((long)x2-(long)x1)+y1;
if (y>=yBL && y<= yTR) return true;
drawPix(x-1,y-1,255,255,255,255);
}
return false;
}
void KeyEvent::keyPressEvent(QKeyEvent *event)
{
if(event->modifiers()==Qt::ControlModifier)
{
if(event->key()==Qt::Key_Left)
{
startX=(startX-1<0)?startX:startX-1;
}
if(event->key()==Qt::Key_Right)
{
startX=(startX+1+image.width()>width)?startX:startX+1;
}
if(event->key()==Qt::Key_Up)
{
startY=(startY-1<0)?startY:startY-1;
}
if(event->key()==Qt::Key_Down)
{
startY=(startY+1+image.height()>height)?startY:startY+1;
}
}
else
{
startX=startX-startX%step;
startY=startY-startY%step;
if(event->key()==Qt::Key_Left)
{
startX=(startX-step<0)?startX:startX-step;
}
if(event->key()==Qt::Key_Right)
{
startX=(startX+step+image.width()>width)?startX:startX+step;
}
if(event->key()==Qt::Key_Up)
{
startY=(startY-step<0)?startY:startY-step;
}
if(event->key()==Qt::Key_Down)
{
startY=(startY+step+image.height()>height)?startY:startY+step;
}
if(event->key()==Qt::Key_Home)
{
startX=0;
startY=0;
}
if(event->key()==Qt::Key_End)
{
startX=width-image.width();
startY=height-image.height();
}
}
drawPix();
update();
}
void TrayIcon::clicked(QSystemTrayIcon::ActivationReason reason)
{
switch (reason)
{
case(QSystemTrayIcon::Trigger):
{
drawPix();
break;
}
case(QSystemTrayIcon::MiddleClick):
{
qApp->quit();
break;
}
default:
break;
}
}
