diff options
Diffstat (limited to 'indra/llui/lltextbase.cpp')
| -rw-r--r-- | indra/llui/lltextbase.cpp | 236 |
1 files changed, 232 insertions, 4 deletions
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp index 104481cbfc..3815eec447 100644 --- a/indra/llui/lltextbase.cpp +++ b/indra/llui/lltextbase.cpp @@ -32,6 +32,7 @@ #include "lllocalcliprect.h" #include "llmenugl.h" #include "llscrollcontainer.h" +#include "llspellcheck.h" #include "llstl.h" #include "lltextparser.h" #include "lltextutil.h" @@ -155,6 +156,7 @@ LLTextBase::Params::Params() plain_text("plain_text",false), track_end("track_end", false), read_only("read_only", false), + spellcheck("spellcheck", false), v_pad("v_pad", 0), h_pad("h_pad", 0), clip("clip", true), @@ -181,6 +183,9 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p) mFontShadow(p.font_shadow), mPopupMenu(NULL), mReadOnly(p.read_only), + mSpellCheck(p.spellcheck), + mSpellCheckStart(-1), + mSpellCheckEnd(-1), mCursorColor(p.cursor_color), mFgColor(p.text_color), mBorderVisible( p.border_visible ), @@ -246,6 +251,12 @@ LLTextBase::LLTextBase(const LLTextBase::Params &p) addChild(mDocumentView); } + if (mSpellCheck) + { + LLSpellChecker::setSettingsChangeCallback(boost::bind(&LLTextBase::onSpellCheckSettingsChange, this)); + } + mSpellCheckTimer.reset(); + createDefaultSegment(); updateRects(); @@ -541,8 +552,92 @@ void LLTextBase::drawText() return; } + // Perform spell check if needed + if ( (getSpellCheck()) && (getWText().length() > 2) ) + { + // Calculate start and end indices for the spell checking range + S32 start = line_start, end = getLineEnd(last_line); + + if ( (mSpellCheckStart != start) || (mSpellCheckEnd != end) ) + { + const LLWString& wstrText = getWText(); + mMisspellRanges.clear(); + + segment_set_t::const_iterator seg_it = getSegIterContaining(start); + while (mSegments.end() != seg_it) + { + LLTextSegmentPtr text_segment = *seg_it; + if ( (text_segment.isNull()) || (text_segment->getStart() >= end) ) + { + break; + } + + if (!text_segment->canEdit()) + { + ++seg_it; + continue; + } + + // Combine adjoining text segments into one + U32 seg_start = text_segment->getStart(), seg_end = llmin(text_segment->getEnd(), end); + while (mSegments.end() != ++seg_it) + { + text_segment = *seg_it; + if ( (text_segment.isNull()) || (!text_segment->canEdit()) || (text_segment->getStart() >= end) ) + { + break; + } + seg_end = llmin(text_segment->getEnd(), end); + } + + // Find the start of the first word + U32 word_start = seg_start, word_end = -1; + while ( (word_start < wstrText.length()) && (!LLStringOps::isAlpha(wstrText[word_start])) ) + { + word_start++; + } + + // Iterate over all words in the text block and check them one by one + while (word_start < seg_end) + { + // Find the end of the current word (special case handling for "'" when it's used as a contraction) + word_end = word_start + 1; + while ( (word_end < seg_end) && + ((LLWStringUtil::isPartOfWord(wstrText[word_end])) || + ((L'\'' == wstrText[word_end]) && + (LLStringOps::isAlnum(wstrText[word_end - 1])) && (LLStringOps::isAlnum(wstrText[word_end + 1])))) ) + { + word_end++; + } + if (word_end > seg_end) + { + break; + } + + // Don't process words shorter than 3 characters + std::string word = wstring_to_utf8str(wstrText.substr(word_start, word_end - word_start)); + if ( (word.length() >= 3) && (!LLSpellChecker::instance().checkSpelling(word)) ) + { + mMisspellRanges.push_back(std::pair<U32, U32>(word_start, word_end)); + } + + // Find the start of the next word + word_start = word_end + 1; + while ( (word_start < seg_end) && (!LLWStringUtil::isPartOfWord(wstrText[word_start])) ) + { + word_start++; + } + } + } + + mSpellCheckStart = start; + mSpellCheckEnd = end; + } + } + LLTextSegmentPtr cur_segment = *seg_iter; + std::list<std::pair<U32, U32> >::const_iterator misspell_it = std::lower_bound(mMisspellRanges.begin(), mMisspellRanges.end(), std::pair<U32, U32>(line_start, 0)); for (S32 cur_line = first_line; cur_line < last_line; cur_line++) { S32 next_line = cur_line + 1; @@ -577,7 +672,8 @@ void LLTextBase::drawText() cur_segment = *seg_iter; } - S32 clipped_end = llmin( line_end, cur_segment->getEnd() ) - cur_segment->getStart(); + S32 seg_end = llmin(line_end, cur_segment->getEnd()); + S32 clipped_end = seg_end - cur_segment->getStart(); if (mUseEllipses // using ellipses && clipped_end == line_end // last segment on line @@ -589,6 +685,46 @@ void LLTextBase::drawText() text_rect.mRight -= 2; } + // Draw squiggly lines under any visible misspelled words + while ( (mMisspellRanges.end() != misspell_it) && (misspell_it->first < seg_end) && (misspell_it->second > seg_start) ) + { + // Skip the current word if the user is still busy editing it + if ( (!mSpellCheckTimer.hasExpired()) && (misspell_it->first <= (U32)mCursorPos) && (misspell_it->second >= (U32)mCursorPos) ) + { + ++misspell_it; + continue; + } + + U32 misspell_start = llmax<U32>(misspell_it->first, seg_start), misspell_end = llmin<U32>(misspell_it->second, seg_end); + S32 squiggle_start = 0, squiggle_end = 0, pony = 0; + cur_segment->getDimensions(seg_start - cur_segment->getStart(), misspell_start - seg_start, squiggle_start, pony); + cur_segment->getDimensions(misspell_start - cur_segment->getStart(), misspell_end - misspell_start, squiggle_end, pony); + squiggle_start += text_rect.mLeft; + + pony = (squiggle_end + 3) / 6; + squiggle_start += squiggle_end / 2 - pony * 3; + squiggle_end = squiggle_start + pony * 6; + + S32 squiggle_bottom = text_rect.mBottom + (S32)cur_segment->getStyle()->getFont()->getDescenderHeight(); + + gGL.color4ub(255, 0, 0, 200); + while (squiggle_start + 1 < squiggle_end) + { + gl_line_2d(squiggle_start, squiggle_bottom, squiggle_start + 2, squiggle_bottom - 2); + if (squiggle_start + 3 < squiggle_end) + { + gl_line_2d(squiggle_start + 2, squiggle_bottom - 3, squiggle_start + 4, squiggle_bottom - 1); + } + squiggle_start += 4; + } + + if (misspell_it->second > seg_end) + { + break; + } + ++misspell_it; + } + text_rect.mLeft = (S32)(cur_segment->draw(seg_start - cur_segment->getStart(), clipped_end, selection_left, selection_right, text_rect)); seg_start = clipped_end + cur_segment->getStart(); @@ -1108,6 +1244,99 @@ void LLTextBase::deselect() mIsSelecting = FALSE; } +bool LLTextBase::getSpellCheck() const +{ + return (LLSpellChecker::getUseSpellCheck()) && (!mReadOnly) && (mSpellCheck); +} + +const std::string& LLTextBase::getSuggestion(U32 index) const +{ + return (index < mSuggestionList.size()) ? mSuggestionList[index] : LLStringUtil::null; +} + +U32 LLTextBase::getSuggestionCount() const +{ + return mSuggestionList.size(); +} + +void LLTextBase::replaceWithSuggestion(U32 index) +{ + for (std::list<std::pair<U32, U32> >::const_iterator it = mMisspellRanges.begin(); it != mMisspellRanges.end(); ++it) + { + if ( (it->first <= (U32)mCursorPos) && (it->second >= (U32)mCursorPos) ) + { + deselect(); + + // Delete the misspelled word + removeStringNoUndo(it->first, it->second - it->first); + + // Insert the suggestion in its place + LLWString suggestion = utf8str_to_wstring(mSuggestionList[index]); + insertStringNoUndo(it->first, utf8str_to_wstring(mSuggestionList[index])); + setCursorPos(it->first + (S32)suggestion.length()); + + break; + } + } + mSpellCheckStart = mSpellCheckEnd = -1; +} + +void LLTextBase::addToDictionary() +{ + if (canAddToDictionary()) + { + LLSpellChecker::instance().addToCustomDictionary(getMisspelledWord(mCursorPos)); + } +} + +bool LLTextBase::canAddToDictionary() const +{ + return (getSpellCheck()) && (isMisspelledWord(mCursorPos)); +} + +void LLTextBase::addToIgnore() +{ + if (canAddToIgnore()) + { + LLSpellChecker::instance().addToIgnoreList(getMisspelledWord(mCursorPos)); + } +} + +bool LLTextBase::canAddToIgnore() const +{ + return (getSpellCheck()) && (isMisspelledWord(mCursorPos)); +} + +std::string LLTextBase::getMisspelledWord(U32 pos) const +{ + for (std::list<std::pair<U32, U32> >::const_iterator it = mMisspellRanges.begin(); it != mMisspellRanges.end(); ++it) + { + if ( (it->first <= pos) && (it->second >= pos) ) + { + return wstring_to_utf8str(getWText().substr(it->first, it->second - it->first)); + } + } + return LLStringUtil::null; +} + +bool LLTextBase::isMisspelledWord(U32 pos) const +{ + for (std::list<std::pair<U32, U32> >::const_iterator it = mMisspellRanges.begin(); it != mMisspellRanges.end(); ++it) + { + if ( (it->first <= pos) && (it->second >= pos) ) + { + return true; + } + } + return false; +} + +void LLTextBase::onSpellCheckSettingsChange() +{ + // Recheck the spelling on every change + mMisspellRanges.clear(); + mSpellCheckStart = mSpellCheckEnd = -1; +} // Sets the scrollbar from the cursor position void LLTextBase::updateScrollFromCursor() @@ -1707,9 +1936,6 @@ void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Para while ( LLUrlRegistry::instance().findUrl(text, match, boost::bind(&LLTextBase::replaceUrl, this, _1, _2, _3)) ) { - - LLTextUtil::processUrlMatch(&match,this); - start = match.getStart(); end = match.getEnd()+1; @@ -1745,6 +1971,8 @@ void LLTextBase::appendTextImpl(const std::string &new_text, const LLStyle::Para } } + LLTextUtil::processUrlMatch(&match,this); + // move on to the rest of the text after the Url if (end < (S32)text.length()) { |