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Minor changes in Widget::scrollRegion()

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This commit is contained in:
David Capello 2014-05-04 21:32:13 -03:00
parent 41863f9d3d
commit b45cd3e07e
1 changed files with 15 additions and 16 deletions
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31
src/ui/widget.cpp
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@ -1035,27 +1035,26 @@ void Widget::invalidateRegion(const Region& region)
void Widget::scrollRegion(const Region& region, int dx, int dy)
{
if (dx != 0 || dy != 0) {
Region reg2 = region;
reg2.offset(dx, dy);
reg2.createIntersection(reg2, region);
reg2.offset(-dx, -dy);
if (dx == 0 && dy == 0)
return;
// Move screen pixels
jmouse_hide();
ui::_move_region(reg2, dx, dy);
jmouse_show();
Region reg2 = region;
reg2.offset(dx, dy);
reg2.createIntersection(reg2, region);
reg2.offset(-dx, -dy);
reg2.offset(dx, dy);
// Move screen pixels
ui::_move_region(reg2, dx, dy);
m_updateRegion.createUnion(m_updateRegion, region);
m_updateRegion.createSubtraction(m_updateRegion, reg2);
reg2.offset(dx, dy);
mark_dirty_flag(this);
m_updateRegion.createUnion(m_updateRegion, region);
m_updateRegion.createSubtraction(m_updateRegion, reg2);
// Generate the kPaintMessage messages for the widget's m_updateRegion
flushRedraw();
}
mark_dirty_flag(this);
// Generate the kPaintMessage messages for the widget's m_updateRegion
flushRedraw();
}
class DeleteGraphicsAndBitmap {