diff options
Diffstat (limited to 'indra/llui/lllineeditor.cpp')
| -rw-r--r-- | indra/llui/lllineeditor.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp index cb5aea272d..2cdcd3345e 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)); |