diff options
Diffstat (limited to 'src/gui/text/qtextengine.cpp')
-rw-r--r-- | src/gui/text/qtextengine.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp index 5670e29..8d6dd6c 100644 --- a/src/gui/text/qtextengine.cpp +++ b/src/gui/text/qtextengine.cpp @@ -1561,14 +1561,19 @@ bool QTextEngine::isRightToLeft() const int QTextEngine::findItem(int strPos) const { itemize(); - - // ##### use binary search - int item; - for (item = layoutData->items.size()-1; item > 0; --item) { - if (layoutData->items[item].position <= strPos) - break; + int left = 0; + int right = layoutData->items.size()-1; + while(left <= right) { + int middle = ((right-left)/2)+left; + if (strPos > layoutData->items[middle].position) + left = middle+1; + else if(strPos < layoutData->items[middle].position) + right = middle-1; + else { + return middle; + } } - return item; + return right; } QFixed QTextEngine::width(int from, int len) const |