summaryrefslogtreecommitdiff
path: root/indra/llui/lllineeditor.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'indra/llui/lllineeditor.cpp')
-rw-r--r--indra/llui/lllineeditor.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp
index eb2b4f7705..3e277f47b5 100644
--- a/indra/llui/lllineeditor.cpp
+++ b/indra/llui/lllineeditor.cpp
@@ -422,12 +422,16 @@ void LLLineEditor::setCursor( S32 pos )
S32 old_cursor_pos = getCursor();
mCursorPos = llclamp( pos, 0, mText.length());
+ // position of end of next character after cursor
S32 pixels_after_scroll = findPixelNearestPos();
if( pixels_after_scroll > mTextRightEdge )
{
S32 width_chars_to_left = mGLFont->getWidth(mText.getWString().c_str(), 0, mScrollHPos);
S32 last_visible_char = mGLFont->maxDrawableChars(mText.getWString().c_str(), llmax(0.f, (F32)(mTextRightEdge - mTextLeftEdge + width_chars_to_left)));
- S32 min_scroll = mGLFont->firstDrawableChar(mText.getWString().c_str(), (F32)(mTextRightEdge - mTextLeftEdge), mText.length(), getCursor());
+ // character immediately to left of cursor should be last one visible (SCROLL_INCREMENT_ADD will scroll in more characters)
+ // or first character if cursor is at beginning
+ S32 new_last_visible_char = llmax(0, getCursor() - 1);
+ S32 min_scroll = mGLFont->firstDrawableChar(mText.getWString().c_str(), (F32)(mTextRightEdge - mTextLeftEdge), mText.length(), new_last_visible_char);
if (old_cursor_pos == last_visible_char)
{
mScrollHPos = llmin(mText.length(), llmax(min_scroll, mScrollHPos + SCROLL_INCREMENT_ADD));