diff options
Diffstat (limited to 'indra/llui/lllineeditor.cpp')
| -rw-r--r-- | indra/llui/lllineeditor.cpp | 257 |
1 files changed, 231 insertions, 26 deletions
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp index 06dfc90d83..42cfc4cae9 100644 --- a/indra/llui/lllineeditor.cpp +++ b/indra/llui/lllineeditor.cpp @@ -45,6 +45,7 @@ #include "llkeyboard.h" #include "llrect.h" #include "llresmgr.h" +#include "llspellcheck.h" #include "llstring.h" #include "llwindow.h" #include "llui.h" @@ -65,6 +66,7 @@ const S32 SCROLL_INCREMENT_ADD = 0; // make space for typing const S32 SCROLL_INCREMENT_DEL = 4; // make space for baskspacing const F32 AUTO_SCROLL_TIME = 0.05f; const F32 TRIPLE_CLICK_INTERVAL = 0.3f; // delay between double and triple click. *TODO: make this equal to the double click interval? +const F32 SPELLCHECK_DELAY = 0.5f; // delay between the last keypress and spell checking the word the cursor is on const std::string PASSWORD_ASTERISK( "\xE2\x80\xA2" ); // U+2022 BULLET @@ -88,6 +90,7 @@ LLLineEditor::Params::Params() background_image_focused("background_image_focused"), select_on_focus("select_on_focus", false), revert_on_esc("revert_on_esc", true), + spellcheck("spellcheck", false), commit_on_focus_lost("commit_on_focus_lost", true), ignore_tab("ignore_tab", true), is_password("is_password", false), @@ -134,6 +137,9 @@ LLLineEditor::LLLineEditor(const LLLineEditor::Params& p) mIgnoreArrowKeys( FALSE ), mIgnoreTab( p.ignore_tab ), mDrawAsterixes( p.is_password ), + mSpellCheck( p.spellcheck ), + mSpellCheckStart(-1), + mSpellCheckEnd(-1), mSelectAllonFocusReceived( p.select_on_focus ), mSelectAllonCommit( TRUE ), mPassDelete(FALSE), @@ -177,6 +183,12 @@ LLLineEditor::LLLineEditor(const LLLineEditor::Params& p) updateTextPadding(); setCursor(mText.length()); + if (mSpellCheck) + { + LLSpellChecker::setSettingsChangeCallback(boost::bind(&LLLineEditor::onSpellCheckSettingsChange, this)); + } + mSpellCheckTimer.reset(); + setPrevalidateInput(p.prevalidate_input_callback()); setPrevalidate(p.prevalidate_callback()); @@ -519,6 +531,95 @@ void LLLineEditor::selectAll() updatePrimary(); } +bool LLLineEditor::getSpellCheck() const +{ + return (LLSpellChecker::getUseSpellCheck()) && (!mReadOnly) && (mSpellCheck); +} + +const std::string& LLLineEditor::getSuggestion(U32 index) const +{ + return (index < mSuggestionList.size()) ? mSuggestionList[index] : LLStringUtil::null; +} + +U32 LLLineEditor::getSuggestionCount() const +{ + return mSuggestionList.size(); +} + +void LLLineEditor::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 + mText.erase(it->first, it->second - it->first); + + // Insert the suggestion in its place + LLWString suggestion = utf8str_to_wstring(mSuggestionList[index]); + mText.insert(it->first, suggestion); + setCursor(it->first + (S32)suggestion.length()); + + break; + } + } + mSpellCheckStart = mSpellCheckEnd = -1; +} + +void LLLineEditor::addToDictionary() +{ + if (canAddToDictionary()) + { + LLSpellChecker::instance().addToCustomDictionary(getMisspelledWord(mCursorPos)); + } +} + +bool LLLineEditor::canAddToDictionary() const +{ + return (getSpellCheck()) && (isMisspelledWord(mCursorPos)); +} + +void LLLineEditor::addToIgnore() +{ + if (canAddToIgnore()) + { + LLSpellChecker::instance().addToIgnoreList(getMisspelledWord(mCursorPos)); + } +} + +bool LLLineEditor::canAddToIgnore() const +{ + return (getSpellCheck()) && (isMisspelledWord(mCursorPos)); +} + +std::string LLLineEditor::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(mText.getWString().substr(it->first, it->second - it->first)); + } + return LLStringUtil::null; +} + +bool LLLineEditor::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 LLLineEditor::onSpellCheckSettingsChange() +{ + // Recheck the spelling on every change + mMisspellRanges.clear(); + mSpellCheckStart = mSpellCheckEnd = -1; +} BOOL LLLineEditor::handleDoubleClick(S32 x, S32 y, MASK mask) { @@ -1058,9 +1159,8 @@ void LLLineEditor::cut() LLUI::reportBadKeystroke(); } else - if( mKeystrokeCallback ) { - mKeystrokeCallback( this ); + onKeystroke(); } } } @@ -1194,9 +1294,8 @@ void LLLineEditor::pasteHelper(bool is_primary) LLUI::reportBadKeystroke(); } else - if( mKeystrokeCallback ) { - mKeystrokeCallback( this ); + onKeystroke(); } } } @@ -1449,9 +1548,10 @@ BOOL LLLineEditor::handleKeyHere(KEY key, MASK mask ) // Notify owner if requested if (!need_to_rollback && handled) { - if (mKeystrokeCallback) + onKeystroke(); + if ( (!selection_modified) && (KEY_BACKSPACE == key) ) { - mKeystrokeCallback(this); + mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY); } } } @@ -1504,12 +1604,11 @@ BOOL LLLineEditor::handleUnicodeCharHere(llwchar uni_char) // Notify owner if requested if( !need_to_rollback && handled ) { - if( mKeystrokeCallback ) - { - // HACK! The only usage of this callback doesn't do anything with the character. - // We'll have to do something about this if something ever changes! - Doug - mKeystrokeCallback( this ); - } + // HACK! The only usage of this callback doesn't do anything with the character. + // We'll have to do something about this if something ever changes! - Doug + onKeystroke(); + + mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY); } } return handled; @@ -1538,9 +1637,7 @@ void LLLineEditor::doDelete() if (!prevalidateInput(text_to_delete)) { - if( mKeystrokeCallback ) - mKeystrokeCallback( this ); - + onKeystroke(); return; } setCursor(getCursor() + 1); @@ -1556,10 +1653,9 @@ void LLLineEditor::doDelete() } else { - if( mKeystrokeCallback ) - { - mKeystrokeCallback( this ); - } + onKeystroke(); + + mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY); } } } @@ -1756,7 +1852,7 @@ void LLLineEditor::draw() if( (rendered_pixels_right < (F32)mTextRightEdge) && (rendered_text < text_len) ) { // unselected, right side - mGLFont->render( + rendered_text += mGLFont->render( mText, mScrollHPos + rendered_text, rendered_pixels_right, text_bottom, text_color, @@ -1770,7 +1866,7 @@ void LLLineEditor::draw() } else { - mGLFont->render( + rendered_text = mGLFont->render( mText, mScrollHPos, rendered_pixels_right, text_bottom, text_color, @@ -1785,6 +1881,80 @@ void LLLineEditor::draw() mBorder->setVisible(FALSE); // no more programmatic art. #endif + if ( (getSpellCheck()) && (mText.length() > 2) ) + { + // Calculate start and end indices for the first and last visible word + U32 start = prevWordPos(mScrollHPos), end = nextWordPos(mScrollHPos + rendered_text); + + if ( (mSpellCheckStart != start) || (mSpellCheckEnd = end) ) + { + const LLWString& text = mText.getWString().substr(start, end); + + // Find the start of the first word + U32 word_start = 0, word_end = 0; + while ( (word_start < text.length()) && (!LLStringOps::isAlpha(text[word_start])) ) + word_start++; + + // Iterate over all words in the text block and check them one by one + mMisspellRanges.clear(); + while (word_start < text.length()) + { + // 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 < text.length()) && + ((LLWStringUtil::isPartOfWord(text[word_end])) || + ((L'\'' == text[word_end]) && (word_end + 1 < text.length()) && + (LLStringOps::isAlnum(text[word_end - 1])) && (LLStringOps::isAlnum(text[word_end + 1])))) ) + { + word_end++; + } + if (word_end >= text.length()) + break; + + // Don't process words shorter than 3 characters + std::string word = wstring_to_utf8str(text.substr(word_start, word_end - word_start)); + if ( (word.length() >= 3) && (!LLSpellChecker::instance().checkSpelling(word)) ) + mMisspellRanges.push_back(std::pair<U32, U32>(start + word_start, start + word_end)); + + // Find the start of the next word + word_start = word_end + 1; + while ( (word_start < text.length()) && (!LLWStringUtil::isPartOfWord(text[word_start])) ) + word_start++; + } + + mSpellCheckStart = start; + mSpellCheckEnd = end; + } + + // Draw squiggly lines under any (visible) misspelled words + for (std::list<std::pair<U32, U32> >::const_iterator it = mMisspellRanges.begin(); it != mMisspellRanges.end(); ++it) + { + // Skip over words that aren't (partially) visible + if ( ((it->first < start) && (it->second < start)) || (it->first > end) ) + continue; + + // Skip the current word if the user is still busy editing it + if ( (!mSpellCheckTimer.hasExpired()) && (it->first <= (U32)mCursorPos) && (it->second >= (U32)mCursorPos) ) + continue; + + S32 pxWidth = getRect().getWidth(); + S32 pxStart = findPixelNearestPos(it->first - getCursor()); + if (pxStart > pxWidth) + continue; + S32 pxEnd = findPixelNearestPos(it->second - getCursor()); + if (pxEnd > pxWidth) + pxEnd = pxWidth; + + gGL.color4ub(255, 0, 0, 200); + while (pxStart < pxEnd) + { + gl_line_2d(pxStart, text_bottom - 2, pxStart + 3, text_bottom + 1); + gl_line_2d(pxStart + 3, text_bottom + 1, pxStart + 6, text_bottom - 2); + pxStart += 6; + } + } + } + // If we're editing... if( hasFocus()) { @@ -2116,6 +2286,15 @@ void LLLineEditor::setSelectAllonFocusReceived(BOOL b) mSelectAllonFocusReceived = b; } +void LLLineEditor::onKeystroke() +{ + if (mKeystrokeCallback) + { + mKeystrokeCallback(this); + } + + mSpellCheckStart = mSpellCheckEnd = -1; +} void LLLineEditor::setKeystrokeCallback(callback_t callback, void* user_data) { @@ -2238,10 +2417,9 @@ void LLLineEditor::updatePreedit(const LLWString &preedit_string, // Update of the preedit should be caused by some key strokes. mKeystrokeTimer.reset(); - if( mKeystrokeCallback ) - { - mKeystrokeCallback( this ); - } + onKeystroke(); + + mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY); } BOOL LLLineEditor::getPreeditLocation(S32 query_offset, LLCoordGL *coord, LLRect *bounds, LLRect *control) const @@ -2393,7 +2571,34 @@ void LLLineEditor::showContextMenu(S32 x, S32 y) S32 screen_x, screen_y; localPointToScreen(x, y, &screen_x, &screen_y); - menu->show(screen_x, screen_y); + + setCursorAtLocalPos(x); + if (hasSelection()) + { + if ( (mCursorPos < llmin(mSelectionStart, mSelectionEnd)) || (mCursorPos > llmax(mSelectionStart, mSelectionEnd)) ) + deselect(); + else + setCursor(llmax(mSelectionStart, mSelectionEnd)); + } + + bool use_spellcheck = getSpellCheck(), is_misspelled = false; + if (use_spellcheck) + { + mSuggestionList.clear(); + + // If the cursor is on a misspelled word, retrieve suggestions for it + std::string misspelled_word = getMisspelledWord(mCursorPos); + if ((is_misspelled = !misspelled_word.empty()) == true) + { + LLSpellChecker::instance().getSuggestions(misspelled_word, mSuggestionList); + } + } + + menu->setItemVisible("Suggestion Separator", (use_spellcheck) && (!mSuggestionList.empty())); + menu->setItemVisible("Add to Dictionary", (use_spellcheck) && (is_misspelled)); + menu->setItemVisible("Add to Ignore", (use_spellcheck) && (is_misspelled)); + menu->setItemVisible("Spellcheck Separator", (use_spellcheck) && (is_misspelled)); + menu->show(screen_x, screen_y, this); } } |