void eWidget::invalidate(eRect area, int force)
{
if ( (!(state & stateVisible)) && (!force))
return;
if (area.isNull())
area=eRect(0, 0, size.width(), size.height());
eWidget *w=this;
// problem: überlappende, nicht transparente fenster
while (force || (((int)w->getBackgroundColor())==-1))
// while (1)
{
force=0;
if (!w->parent) // spaetestens fuers TLW sollte backgroundcolor aber non-transparent sein
break;
area.moveBy(w->position.x(), w->position.y());
w=w->parent;
area.moveBy(w->clientrect.x(), w->clientrect.y());
area&=w->clientrect;
}
w->redraw(area);
}
gPainter::gPainter(gDC &dc, eRect rect): dc(dc), rc(gRC::getInstance()), foregroundColor(0), backgroundColor(0), cornerRound(0)
{
if (rect.isNull())
rect=eRect(ePoint(0, 0), dc.getSize());
// ASSERT(!gPainter_instances);
gPainter_instances++;
begin(rect);
}
void eWidget::redraw(eRect area) // area bezieht sich nicht auf die clientarea
{
if (getTLW()->just_showing)
return;
if (state & stateVisible )
{
if (area.isNull())
area=eRect(0, 0, size.width(), size.height());
if (area.width()>0)
{
gPainter *p=getPainter(area);
if (p)
{
eraseBackground(p, area);
redrawWidget(p, area);
delete p;
}
}
if(!childlist.empty())
{
area.moveBy(-clientrect.x(), -clientrect.y()); // ab hier jetzt schon.
ePtrList<eWidget>::iterator It(childlist);
while (It != childlist.end())
{
eRect cr=area&eRect((*It)->position, (*It)->size);
if (!cr.isEmpty())
{
cr.moveBy(-It->position.x(), -It->position.y());
It->redraw(cr);
}
++It;
}
}
}
}