diff options
Diffstat (limited to 'indra')
-rwxr-xr-x | indra/llui/lltextbase.cpp | 29 | ||||
-rwxr-xr-x | indra/llui/lltextbase.h | 1 | ||||
-rwxr-xr-x | indra/llui/lltexteditor.cpp | 56 |
3 files changed, 79 insertions, 7 deletions
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp index 62edbadb07..183d6481c3 100755 --- a/indra/llui/lltextbase.cpp +++ b/indra/llui/lltextbase.cpp @@ -225,7 +225,8 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p) mParseHighlights(p.parse_highlights), mBGVisible(p.bg_visible), mScroller(NULL), - mStyleDirty(true) + mStyleDirty(true), + mDrawRightmostCursor(false) { if(p.allow_scroll) { @@ -1510,6 +1511,11 @@ void LLTextBase::reflow() // find and erase line info structs starting at start_index and going to end of document if (!mLineInfoList.empty()) { + if (mDrawRightmostCursor) + { + start_index--; + } + // find first element whose end comes after start_index line_list_t::iterator iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), start_index, line_end_compare()); line_start_index = iter->mDocIndexStart; @@ -1698,6 +1704,11 @@ S32 LLTextBase::getLineNumFromDocIndex( S32 doc_index, bool include_wordwrap) co } else { + if (mDrawRightmostCursor) + { + doc_index--; + } + line_list_t::const_iterator iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), doc_index, line_end_compare()); if (include_wordwrap) { @@ -1726,6 +1737,11 @@ S32 LLTextBase::getLineOffsetFromDocIndex( S32 startpos, bool include_wordwrap) } else { + if (mDrawRightmostCursor) + { + startpos--; + } + line_list_t::const_iterator iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), startpos, line_end_compare()); return startpos - iter->mDocIndexStart; } @@ -2445,7 +2461,7 @@ S32 LLTextBase::getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round, } else if (hit_past_end_of_line && segmentp->getEnd() >= line_iter->mDocIndexEnd) { - if (getLineNumFromDocIndex(line_iter->mDocIndexEnd - 1) == line_iter->mLineNum) + if (getLineNumFromDocIndex(line_iter->mDocIndexEnd - 1) == line_iter->mLineNum && !mDrawRightmostCursor) { // if segment wraps to the next line we should step one char back // to compensate for the space char between words @@ -2478,8 +2494,13 @@ LLRect LLTextBase::getDocRectFromDocIndex(S32 pos) const // clamp pos to valid values pos = llclamp(pos, 0, mLineInfoList.back().mDocIndexEnd - 1); - // find line that contains cursor - line_list_t::const_iterator line_iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), pos, line_end_compare()); + S32 corrected_pos = pos; + if (mDrawRightmostCursor && pos > 0) + { + corrected_pos--; + } + + line_list_t::const_iterator line_iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), corrected_pos, line_end_compare()); doc_rect.mLeft = line_iter->mRect.mLeft; doc_rect.mBottom = line_iter->mRect.mBottom; diff --git a/indra/llui/lltextbase.h b/indra/llui/lltextbase.h index d1f66b6cfe..51ab81bf29 100755 --- a/indra/llui/lltextbase.h +++ b/indra/llui/lltextbase.h @@ -606,6 +606,7 @@ protected: // cursor S32 mCursorPos; // I-beam is just after the mCursorPos-th character. + bool mDrawRightmostCursor; // When cursor is on the rightmost position on the line S32 mDesiredXPixel; // X pixel position where the user wants the cursor to be LLFrameTimer mCursorBlinkTimer; // timer that controls cursor blinking diff --git a/indra/llui/lltexteditor.cpp b/indra/llui/lltexteditor.cpp index fbd742f615..6bb13516bf 100755 --- a/indra/llui/lltexteditor.cpp +++ b/indra/llui/lltexteditor.cpp @@ -1135,8 +1135,14 @@ void LLTextEditor::addChar(llwchar wc) setCursorPos(new_cursor_pos); } } -} + if (mCursorPos > 0) + { + LLRect current_cursor_rect = getDocRectFromDocIndex(mCursorPos); + LLRect prev_cursor_rect = getDocRectFromDocIndex(mCursorPos - 1); + mDrawRightmostCursor = current_cursor_rect.mBottom < prev_cursor_rect.mBottom; + } +} void LLTextEditor::addLineBreakChar(BOOL group_together) { @@ -1282,6 +1288,12 @@ BOOL LLTextEditor::handleNavigationKey(const KEY key, const MASK mask) break; case KEY_HOME: + if(mDrawRightmostCursor && mCursorPos > 0) + { + mCursorPos--; + mDrawRightmostCursor = false; + } + startOfLine(); break; @@ -1296,6 +1308,14 @@ BOOL LLTextEditor::handleNavigationKey(const KEY key, const MASK mask) case KEY_END: endOfLine(); + if (!mDrawRightmostCursor) + { + mDrawRightmostCursor = true; + if (mCursorPos + 1 < getLength()) + { + setCursorPos(mCursorPos + 1); + } + } break; case KEY_LEFT: @@ -1307,7 +1327,18 @@ BOOL LLTextEditor::handleNavigationKey(const KEY key, const MASK mask) { if( 0 < mCursorPos ) { - setCursorPos(mCursorPos - 1); + LLRect current_cursor_rect = getDocRectFromDocIndex(mCursorPos); + LLRect next_cursor_rect = getDocRectFromDocIndex(mCursorPos - 1); + + if (current_cursor_rect.mBottom < next_cursor_rect.mBottom) + { + mDrawRightmostCursor = true; + } + else + { + mDrawRightmostCursor = false; + setCursorPos(mCursorPos - 1); + } } else { @@ -1325,7 +1356,26 @@ BOOL LLTextEditor::handleNavigationKey(const KEY key, const MASK mask) { if( mCursorPos < getLength() ) { - setCursorPos(mCursorPos + 1); + LLRect current_cursor_rect = getDocRectFromDocIndex(mCursorPos); + LLRect next_cursor_rect = getDocRectFromDocIndex(mCursorPos + 1); + + if (current_cursor_rect.mBottom > next_cursor_rect.mBottom) + { + if (mDrawRightmostCursor) + { + mDrawRightmostCursor = false; + } + else + { + mDrawRightmostCursor = true; + setCursorPos(mCursorPos + 1); + } + } + else + { + mDrawRightmostCursor = false; + setCursorPos(mCursorPos + 1); + } } else { |