Event TMGraphView::findEventAt(QPoint pos)
{
// Converting screen coordinates to real address and time
unsigned long long address = displayAddressToRealAddress(view_address + pos.x()/address_zoom_factor);
unsigned long long time = (unsigned long long)(view_time + pos.y()/time_zoom_factor);
// Looking for the right memory block
for(QList<MemoryBlock>::iterator block_it = blocks.begin(); block_it != blocks.end(); block_it++)
{
if(address < block_it->address)
break;// We are too far in memory space
else if(address >= block_it->address && address < block_it->address + block_it->size)
{
// Looking for the right event (if it exist)
for(QList<Event>::iterator event_it = block_it->events.begin(); event_it != block_it->events.end(); event_it++)
{
if(time < event_it->time)
break; // We are too far in time
else if(time == event_it->time && address >= event_it->address && address < event_it->address + event_it->size)
return *event_it; // Found it!
}
}
}
Event ev;
ev.type = EVENT_UFO;
return ev;
}
void TMGraphView::zoomToOverview()
{
view_address = 0;
view_time = 0;
address_zoom_factor = width()/(double)total_bytes;
time_zoom_factor = height()/(double)total_time;
emit positionChange(displayAddressToRealAddress(view_address), view_time);
update();
}
void TMGraphView::addressMove(long long da)
{
if(da < 0 && -da > view_address)
view_address = 0;
else if(da > 0 && da > 0xFFFFFFFFFFFFFFFF - view_address)
view_address = 0xFFFFFFFFFFFFFFFF;
else
view_address += da;
emit positionChange(displayAddressToRealAddress(view_address), view_time);
}
void TMGraphView::timeMove(long long dt)
{
if(dt < 0 && -dt > view_time)
view_time = 0;
else if(dt > 0 && dt > 0xFFFFFFFFFFFFFFFF - view_time)
view_time = 0xFFFFFFFFFFFFFFFF;
else
view_time += dt;
emit positionChange(displayAddressToRealAddress(view_address), view_time);
}
void TMGraphView::zoomToOverview()
{
view_address = 0;
view_time = 0;
updateZoomFactors();
emit positionChange(displayAddressToRealAddress(view_address), view_time);
update();
}
void TMGraphView::onWindowResize()
{
// Special behaviour if overview: fit to new window size
if (view_address == 0 && view_time == 0)
{
updateZoomFactors();
}
// Otherwise, repaint at the same zoom level, thus showing more stuff if you increase window size, less stuff if you decrease it
emit positionChange(displayAddressToRealAddress(view_address), view_time);
update();
}
void TMGraphView::mouseMoveEvent(QMouseEvent * event)
{
if(event->buttons() & Qt::LeftButton)
{
addressMove((long)((drag_last_pos.x()-event->pos().x())/address_zoom_factor));
drag_last_pos.setX(event->pos().x());
timeMove((long)((drag_last_pos.y()-event->pos().y())/time_zoom_factor));
drag_last_pos.setY(event->pos().y());
update();
}
emit cursorPositionChange(displayAddressToRealAddress(view_address + (long long)(event->pos().x()/address_zoom_factor)),
view_time + (long long)(event->pos().y()/time_zoom_factor));
}
void TMGraphView::setTime(unsigned long long time)
{
view_time = time;
emit positionChange(displayAddressToRealAddress(view_address), view_time);
update();
}
