+
+#if wxRICHTEXT_USE_OPTIMIZED_DRAWING
+ // Find refresh rectangle if we are in a position to optimise refresh
+ if (m_cmdId == wxRICHTEXT_INSERT && optimizationLineCharPositions && optimizationLineCharPositions->GetCount() > 0)
+ {
+ size_t i;
+
+ wxSize clientSize = m_ctrl->GetClientSize();
+ wxPoint firstVisiblePt = m_ctrl->GetFirstVisiblePoint();
+
+ // Start/end positions
+ int firstY = 0;
+ int lastY = firstVisiblePt.y + clientSize.y;
+
+ bool foundStart = false;
+ bool foundEnd = false;
+
+ // position offset - how many characters were inserted
+ int positionOffset = GetRange().GetLength();
+
+ // find the first line which is being drawn at the same position as it was
+ // before. Since we're talking about a simple insertion, we can assume
+ // that the rest of the window does not need to be redrawn.
+
+ wxRichTextParagraph* para = m_buffer->GetParagraphAtPosition(GetPosition());
+ wxRichTextObjectList::compatibility_iterator node = m_buffer->GetChildren().Find(para);
+ while (node)
+ {
+ wxRichTextParagraph* child = (wxRichTextParagraph*) node->GetData();
+ wxRichTextLineList::compatibility_iterator node2 = child->GetLines().GetFirst();
+ while (node2)
+ {
+ wxRichTextLine* line = node2->GetData();
+ wxPoint pt = line->GetAbsolutePosition();
+ wxRichTextRange range = line->GetAbsoluteRange();
+
+ // we want to find the first line that is in the same position
+ // as before. This will mean we're at the end of the changed text.
+
+ if (pt.y > lastY) // going past the end of the window, no more info
+ {
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+ }
+ else
+ {
+ if (!foundStart)
+ {
+ firstY = pt.y - firstVisiblePt.y;
+ foundStart = true;
+ }
+
+ // search for this line being at the same position as before
+ for (i = 0; i < optimizationLineCharPositions->GetCount(); i++)
+ {
+ if (((*optimizationLineCharPositions)[i] + positionOffset == range.GetStart()) &&
+ ((*optimizationLineYPositions)[i] == pt.y))
+ {
+ // Stop, we're now the same as we were
+ foundEnd = true;
+ lastY = pt.y - firstVisiblePt.y;
+
+ node2 = wxRichTextLineList::compatibility_iterator();
+ node = wxRichTextObjectList::compatibility_iterator();
+
+ break;
+ }
+ }
+ }
+
+ if (node2)
+ node2 = node2->GetNext();
+ }
+
+ if (node)
+ node = node->GetNext();
+ }
+
+ if (!foundStart)
+ firstY = firstVisiblePt.y;
+ if (!foundEnd)
+ lastY = firstVisiblePt.y + clientSize.y;
+
+ wxRect rect(firstVisiblePt.x, firstY, firstVisiblePt.x + clientSize.x, lastY - firstY);
+ m_ctrl->RefreshRect(rect);
+
+ // TODO: we need to make sure that lines are only drawn if in the update region. The rect
+ // passed to Draw is currently used in different ways (to pass the position the content should
+ // be drawn at as well as the relevant region).
+ }
+ else
+#endif
+ m_ctrl->Refresh(false);
projects / wxWidgets.git / blobdiff