void Canvas::redraw()
{
QCanvasItemList l = m_canvas->allItems();
for(QCanvasItemList::iterator i = l.begin(),
e = l.end(); i != e; ++i)
{
delete *i;
}
unsigned count = 0;
for (unsigned x = 10; x < 4*1600; x += 20)
for (unsigned y = 10; y < 600; y += 20) {
QCanvasRectangle* r = new QCanvasRectangle(x, y, 10, 10, m_canvas);
r->setPen(m_pen);
r->setBrush(m_brushes[m_current_brush]);
r->show();
++count;
QCanvasText* t = new QCanvasText("D", m_canvas);
t->move(x, y);
t->show();
++count;
}
(new QCanvasText(QString::number(count), m_canvas))->show();
m_canvas->setAllChanged();
}
QCanvasRectangle * KGrCanvas::drawRectangle (int z, int x, int y, int w, int h)
{
QCanvasRectangle * r = new QCanvasRectangle (x, y, w, h, field);
r->setBrush (QBrush (colour));
r->setPen (QPen (NoPen));
r->setZ (z);
r->show();
return (r);
}
void ScheduleDialog::drawTimings(DrawProperties *p, BlockNode* node)
{
int line = blocks_.findIndex(node);
int y = p->y + line * (BOX_HEIGHT + BOX_YSPACING) + RULER_HEIGHT;
// if nameWidth is set the name should be drawn within the graph canvas
if (p->nameWidth == 0) {
// draw labels
QCanvasText* text = new QCanvasText(node->model()->name(), labelCanvas);
text->move(WIDGET_SPACING, y);
text->show();
// resize canvas if label doesn't fit.
if ((int)(text->boundingRect().width() + 2 * WIDGET_SPACING)
> labelCanvas->width())
{
labelCanvas->resize(text->boundingRect().width()
+ (2 * WIDGET_SPACING), labelCanvas->height());
labelCanvasView->setFixedWidth(labelCanvas->width() + 4);
}
} else {
// draw labels
QCanvasText* text = new QCanvasText(node->model()->name(), p->canvas);
text->move(p->x, y);
text->show();
}
// check if block is configured correctly
if (node->clock() <= 0) {
// draw info and skip
QCanvasRectangle *box = new QCanvasRectangle(p->canvas);
box->setSize(p->width - p->nameWidth, BOX_HEIGHT + BOX_YSPACING);
box->setBrush(white);
box->setPen(lightGray);
box->move(p->x + p->nameWidth, RULER_HEIGHT - BOX_YSPACING
/ 2 + line * (BOX_YSPACING + BOX_HEIGHT));
box->setZ(2);
box->show();
QCanvasText *text = new QCanvasText(tr("Missing clock value."),
p->canvas);
text->move(p->x + p->nameWidth, y);
text->setColor(black);
text->setZ(3);
text->show();
return;
}
// draw blocks
int t = node->offset();
double X = t * p->pixPerNs;
while (X < p->width - p->nameWidth) {
// draw block
QRect thisBlock = calcBlockPosition(p, node, t);
QCanvasRectangle* box = new FancyRectangle(thisBlock, p->canvas);
// box->setBrush(QBrush(white));
box->setBrush(QBrush(colormanager_->color(node->model())));
box->setZ(2);
box->show();
// draw lines for all connected 'children'
QPtrList<BlockNode> neighbours = node->neighbours();
for (QPtrListIterator<BlockNode> it(neighbours); it != 0; ++it) {
BlockNode *target = *it;
// skip if child has no clock
if (target->clock() <= 0) {
continue;
}
// find next start time for the target block
unsigned int targetTime = target->offset();
while (targetTime <= t + node->runtime()) {
targetTime += target->clock();
}
// check if this block is the next source for the target block
if (t + (2 * node->runtime()) + node->clock() < targetTime) {
continue;
}
// calculate position of the target block
QRect targetBlock = calcBlockPosition(p, target, targetTime);
// draw a line with arrowhead between this block and the next
// target block.
QCanvasLine *line = new ArrowLine(p->canvas);
int start = thisBlock.x() + (int)rint(node->runtime() * p->pixPerNs * zoom_);
line->setPoints(start,
thisBlock.y() + thisBlock.height(),
targetBlock.x(),
targetBlock.y());
line->setZ(1);
line->show();
}
t += node->clock();
X = rint(t * p->pixPerNs);
}
return;
}
