diff options
Diffstat (limited to 'lib/gui/elistbox.cpp')
| -rw-r--r-- | lib/gui/elistbox.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/gui/elistbox.cpp b/lib/gui/elistbox.cpp index 09d5ec2a..f3028ae3 100644 --- a/lib/gui/elistbox.cpp +++ b/lib/gui/elistbox.cpp @@ -310,10 +310,23 @@ int eListbox::event(int event, void *data, void *data2) m_content->cursorSave(); m_content->cursorMove(m_top - m_selected); + gRegion entryrect = eRect(0, 0, size().width(), m_itemheight); + const gRegion &paint_region = *(gRegion*)data; + for (int y = 0, i = 0; i <= m_items_per_page; y += m_itemheight, ++i) { - m_content->paint(painter, *style, ePoint(0, y), m_selected == m_content->cursorGet() && m_content->size() && m_selection_enabled); + gRegion entry_clip_rect = paint_region & entryrect; + + if (!entry_clip_rect.empty()) + m_content->paint(painter, *style, ePoint(0, y), m_selected == m_content->cursorGet() && m_content->size() && m_selection_enabled); + + /* (we could clip with entry_clip_rect, but + this shouldn't change the behaviour of any + well behaving content, so it would just + degrade performance without any gain.) */ + m_content->cursorMove(+1); + entryrect.moveBy(ePoint(0, m_itemheight)); } if (m_scrollbar && m_scrollbar->isVisible()) |