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Basic implementation for highlighting text selection in word wrap

This commit is contained in:
James Johnson 2018-01-11 17:41:18 -05:00
parent 422517aff4
commit 71931c8e43
1 changed files with 17 additions and 1 deletions
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18
src/dlangui/widgets/editors.d
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@ -3336,7 +3336,23 @@ class EditBox : EditWidgetBase {
Rect rc = lineRect;
rc.left = startx;
rc.right = endx;
if (!rc.empty) {
if (!rc.empty && _wordWrap)
{
auto limitNumber = (int num, int limit) => num > limit ? limit : num;
LineSpan curSpan = getSpan(lineIndex);
int yOffset = _lineHeight * (wrapsUpTo(lineIndex));
rc.offset(0, yOffset);
Rect[] wrappedSelection;
wrappedSelection.length = curSpan.len;
foreach (int i, wrapLineRect; wrappedSelection)
{
wrapLineRect = rc;
wrapLineRect.offset(-1 * curSpan.accumulation(i, LineSpan.WrapPointInfo.Width), i * _lineHeight);
wrapLineRect.right = limitNumber(wrapLineRect.right,(rc.left + curSpan.wrapPoints[i].wrapWidth));
buf.fillRect(wrapLineRect, focused ? _selectionColorFocused : _selectionColorNormal);
}
}
else if (!rc.empty) {
// draw selection rect for line
buf.fillRect(rc, focused ? _selectionColorFocused : _selectionColorNormal);
}