diff options
| -rw-r--r-- | indra/llrender/llfontgl.cpp | 24 | ||||
| -rw-r--r-- | indra/llui/lllineeditor.cpp | 6 |
2 files changed, 25 insertions, 5 deletions
diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp index 1de1d6ded4..b6a6b448ee 100644 --- a/indra/llrender/llfontgl.cpp +++ b/indra/llrender/llfontgl.cpp @@ -601,14 +601,20 @@ S32 LLFontGL::firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_ { llwchar wch = wchars[i]; - F32 char_width = mFontFreetype->getXAdvance(wch); + const LLFontGlyphInfo* fgi= mFontFreetype->getGlyphInfo(wch); + + // last character uses character width, since the whole character needs to be visible + // other characters just use advance + F32 width = (i == start) + ? (F32)(fgi->mWidth + fgi->mXBearing) // use actual width for last character + : fgi->mXAdvance; // use advance for all other characters - if( scaled_max_pixels < (total_width + char_width) ) + if( scaled_max_pixels < (total_width + width) ) { break; } - total_width += char_width; + total_width += width; drawable_chars++; if( max_chars >= 0 && drawable_chars >= max_chars ) @@ -626,7 +632,17 @@ S32 LLFontGL::firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_ total_width = llround(total_width); } - return start_pos - drawable_chars; + if (drawable_chars == 0) + { + return start_pos; // just draw last character + } + else + { + // if only 1 character is drawable, we want to return start_pos as the first character to draw + // if 2 are drawable, return start_pos and character before start_pos, etc. + return start_pos + 1 - drawable_chars; + } + } S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, S32 begin_offset, F32 target_x, F32 max_pixels, S32 max_chars, BOOL round) const 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)); |