diff options
Diffstat (limited to 'indra/llui/lllineeditor.cpp')
| -rw-r--r-- | indra/llui/lllineeditor.cpp | 5454 |
1 files changed, 2735 insertions, 2719 deletions
diff --git a/indra/llui/lllineeditor.cpp b/indra/llui/lllineeditor.cpp index 8a04342af0..8c5e69fbb2 100644 --- a/indra/llui/lllineeditor.cpp +++ b/indra/llui/lllineeditor.cpp @@ -1,2719 +1,2735 @@ -/** - * @file lllineeditor.cpp - * @brief LLLineEditor base class - * - * $LicenseInfo:firstyear=2001&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -// Text editor widget to let users enter a single line. - -#include "linden_common.h" - -#define LLLINEEDITOR_CPP -#include "lllineeditor.h" - -#include "lltexteditor.h" -#include "llmath.h" -#include "llfontgl.h" -#include "llgl.h" -#include "lltimer.h" - -#include "llcalc.h" -//#include "llclipboard.h" -#include "llcontrol.h" -#include "llbutton.h" -#include "llfocusmgr.h" -#include "llkeyboard.h" -#include "llrect.h" -#include "llresmgr.h" -#include "llspellcheck.h" -#include "llstring.h" -#include "llwindow.h" -#include "llui.h" -#include "lluictrlfactory.h" -#include "llclipboard.h" -#include "llmenugl.h" - -// -// Imported globals -// - -// -// Constants -// - -const F32 CURSOR_FLASH_DELAY = 1.0f; // in seconds -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 - -static LLDefaultChildRegistry::Register<LLLineEditor> r1("line_editor"); - -// Compiler optimization, generate extern template -template class LLLineEditor* LLView::getChild<class LLLineEditor>( - const std::string& name, bool recurse) const; - -// -// Member functions -// - -LLLineEditor::Params::Params() -: max_length(""), - keystroke_callback("keystroke_callback"), - prevalidate_callback("prevalidate_callback"), - prevalidate_input_callback("prevalidate_input_callback"), - background_image("background_image"), - background_image_disabled("background_image_disabled"), - background_image_focused("background_image_focused"), - bg_image_always_focused("bg_image_always_focused", false), - show_label_focused("show_label_focused", false), - 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), - cursor_color("cursor_color"), - use_bg_color("use_bg_color", false), - bg_color("bg_color"), - text_color("text_color"), - text_readonly_color("text_readonly_color"), - text_tentative_color("text_tentative_color"), - highlight_color("highlight_color"), - preedit_bg_color("preedit_bg_color"), - border(""), - bg_visible("bg_visible"), - text_pad_left("text_pad_left"), - text_pad_right("text_pad_right"), - default_text("default_text") -{ - changeDefault(mouse_opaque, true); - addSynonym(select_on_focus, "select_all_on_focus_received"); - addSynonym(border, "border"); - addSynonym(label, "watermark_text"); - addSynonym(max_length.chars, "max_length"); -} - -LLLineEditor::LLLineEditor(const LLLineEditor::Params& p) -: LLUICtrl(p), - mMaxLengthBytes(p.max_length.bytes), - mMaxLengthChars(p.max_length.chars), - mCursorPos( 0 ), - mScrollHPos( 0 ), - mTextPadLeft(p.text_pad_left), - mTextPadRight(p.text_pad_right), - mTextLeftEdge(0), // computed in updateTextPadding() below - mTextRightEdge(0), // computed in updateTextPadding() below - mCommitOnFocusLost( p.commit_on_focus_lost ), - mKeystrokeOnEsc(false), - mRevertOnEsc( p.revert_on_esc ), - mKeystrokeCallback( p.keystroke_callback() ), - mIsSelecting( false ), - mSelectionStart( 0 ), - mSelectionEnd( 0 ), - mLastSelectionX(-1), - mLastSelectionY(-1), - mLastSelectionStart(-1), - mLastSelectionEnd(-1), - mBorderThickness( 0 ), - 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), - mReadOnly(false), - mBgImage( p.background_image ), - mBgImageDisabled( p.background_image_disabled ), - mBgImageFocused( p.background_image_focused ), - mShowImageFocused( p.bg_image_always_focused ), - mShowLabelFocused( p.show_label_focused ), - mUseBgColor(p.use_bg_color), - mHaveHistory(false), - mReplaceNewlinesWithSpaces( true ), - mLabel(p.label), - mCursorColor(p.cursor_color()), - mBgColor(p.bg_color()), - mFgColor(p.text_color()), - mReadOnlyFgColor(p.text_readonly_color()), - mTentativeFgColor(p.text_tentative_color()), - mHighlightColor(p.highlight_color()), - mPreeditBgColor(p.preedit_bg_color()), - mGLFont(p.font), - mContextMenuHandle(), - mShowContextMenu(true) -{ - llassert( mMaxLengthBytes > 0 ); - - LLUICtrl::setEnabled(true); - setEnabled(p.enabled); - - mScrollTimer.reset(); - mTripleClickTimer.reset(); - setText(p.default_text()); - - if (p.initial_value.isProvided() - && !p.control_name.isProvided()) - { - // Initial value often is descriptive, like "Type some ID here" - // and can be longer than size limitation, ignore size - setText(p.initial_value.getValue().asString(), false); - } - - // Initialize current history line iterator - mCurrentHistoryLine = mLineHistory.begin(); - - LLRect border_rect(getLocalRect()); - // adjust for gl line drawing glitch - border_rect.mTop -= 1; - border_rect.mRight -=1; - LLViewBorder::Params border_p(p.border); - border_p.rect = border_rect; - border_p.follows.flags = FOLLOWS_ALL; - border_p.bevel_style = LLViewBorder::BEVEL_IN; - mBorder = LLUICtrlFactory::create<LLViewBorder>(border_p); - addChild( mBorder ); - - // clamp text padding to current editor size - updateTextPadding(); - setCursor(mText.length()); - - if (mSpellCheck) - { - LLSpellChecker::setSettingsChangeCallback(boost::bind(&LLLineEditor::onSpellCheckSettingsChange, this)); - } - mSpellCheckTimer.reset(); - - setPrevalidateInput(p.prevalidate_input_callback()); - setPrevalidate(p.prevalidate_callback()); -} - -LLLineEditor::~LLLineEditor() -{ - mCommitOnFocusLost = false; - - // Make sure no context menu linger around once the widget is deleted - LLContextMenu* menu = static_cast<LLContextMenu*>(mContextMenuHandle.get()); - if (menu) - { - menu->hide(); - } - setContextMenu(NULL); - - // calls onCommit() while LLLineEditor still valid - gFocusMgr.releaseFocusIfNeeded( this ); -} - -void LLLineEditor::initFromParams(const LLLineEditor::Params& params) -{ - LLUICtrl::initFromParams(params); - LLUICtrl::setEnabled(true); - setEnabled(params.enabled); -} - -void LLLineEditor::onFocusReceived() -{ - gEditMenuHandler = this; - LLUICtrl::onFocusReceived(); - updateAllowingLanguageInput(); -} - -void LLLineEditor::onFocusLost() -{ - // The call to updateAllowLanguageInput() - // when loosing the keyboard focus *may* - // indirectly invoke handleUnicodeCharHere(), - // so it must be called before onCommit. - updateAllowingLanguageInput(); - - if( mCommitOnFocusLost && mText.getString() != mPrevText) - { - onCommit(); - } - - if( gEditMenuHandler == this ) - { - gEditMenuHandler = NULL; - } - - getWindow()->showCursorFromMouseMove(); - - LLUICtrl::onFocusLost(); -} - -// virtual -void LLLineEditor::onCommit() -{ - // put current line into the line history - updateHistory(); - - setControlValue(getValue()); - LLUICtrl::onCommit(); - resetDirty(); - - // Selection on commit needs to be turned off when evaluating maths - // expressions, to allow indication of the error position - if (mSelectAllonCommit) selectAll(); -} - -// Returns true if user changed value at all -// virtual -bool LLLineEditor::isDirty() const -{ - return mText.getString() != mPrevText; -} - -// Clear dirty state -// virtual -void LLLineEditor::resetDirty() -{ - mPrevText = mText.getString(); -} - -// assumes UTF8 text -// virtual -void LLLineEditor::setValue(const LLSD& value ) -{ - setText(value.asString()); -} - -//virtual -LLSD LLLineEditor::getValue() const -{ - return LLSD(getText()); -} - - -// line history support -void LLLineEditor::updateHistory() -{ - // On history enabled line editors, remember committed line and - // reset current history line number. - // Be sure only to remember lines that are not empty and that are - // different from the last on the list. - if( mHaveHistory && getLength() ) - { - if( !mLineHistory.empty() ) - { - // When not empty, last line of history should always be blank. - if( mLineHistory.back().empty() ) - { - // discard the empty line - mLineHistory.pop_back(); - } - else - { - LL_WARNS("") << "Last line of history was not blank." << LL_ENDL; - } - } - - // Add text to history, ignoring duplicates - if( mLineHistory.empty() || getText() != mLineHistory.back() ) - { - mLineHistory.push_back( getText() ); - } - - // Restore the blank line and set mCurrentHistoryLine to point at it - mLineHistory.push_back( "" ); - mCurrentHistoryLine = mLineHistory.end() - 1; - } -} - -void LLLineEditor::reshape(S32 width, S32 height, bool called_from_parent) -{ - LLUICtrl::reshape(width, height, called_from_parent); - updateTextPadding(); // For clamping side-effect. - setCursor(mCursorPos); // For clamping side-effect. -} - -void LLLineEditor::setEnabled(bool enabled) -{ - mReadOnly = !enabled; - setTabStop(!mReadOnly); - updateAllowingLanguageInput(); -} - - -void LLLineEditor::setMaxTextLength(S32 max_text_length) -{ - S32 max_len = llmax(0, max_text_length); - mMaxLengthBytes = max_len; -} - -void LLLineEditor::setMaxTextChars(S32 max_text_chars) -{ - S32 max_chars = llmax(0, max_text_chars); - mMaxLengthChars = max_chars; -} - -void LLLineEditor::getTextPadding(S32 *left, S32 *right) -{ - *left = mTextPadLeft; - *right = mTextPadRight; -} - -void LLLineEditor::setTextPadding(S32 left, S32 right) -{ - mTextPadLeft = left; - mTextPadRight = right; - updateTextPadding(); -} - -void LLLineEditor::updateTextPadding() -{ - mTextLeftEdge = llclamp(mTextPadLeft, 0, getRect().getWidth()); - mTextRightEdge = getRect().getWidth() - llclamp(mTextPadRight, 0, getRect().getWidth()); -} - - -void LLLineEditor::setText(const LLStringExplicit &new_text) -{ - setText(new_text, true); -} - -void LLLineEditor::setText(const LLStringExplicit &new_text, bool use_size_limit) -{ - // If new text is identical, don't copy and don't move insertion point - if (mText.getString() == new_text) - { - return; - } - - // Check to see if entire field is selected. - S32 len = mText.length(); - bool all_selected = (len > 0) - && (( mSelectionStart == 0 && mSelectionEnd == len ) - || ( mSelectionStart == len && mSelectionEnd == 0 )); - - // Do safe truncation so we don't split multi-byte characters - // also consider entire string selected when mSelectAllonFocusReceived is set on an empty, focused line editor - all_selected = all_selected || (len == 0 && hasFocus() && mSelectAllonFocusReceived); - - std::string truncated_utf8 = new_text; - if (use_size_limit && truncated_utf8.size() > (U32)mMaxLengthBytes) - { - truncated_utf8 = utf8str_truncate(new_text, mMaxLengthBytes); - } - mText.assign(truncated_utf8); - - if (use_size_limit && mMaxLengthChars) - { - mText.assign(utf8str_symbol_truncate(truncated_utf8, mMaxLengthChars)); - } - - if (all_selected) - { - // ...keep whole thing selected - selectAll(); - } - else - { - // try to preserve insertion point, but deselect text - deselect(); - } - setCursor(llmin((S32)mText.length(), getCursor())); - - // Set current history line to end of history. - if (mLineHistory.empty()) - { - mCurrentHistoryLine = mLineHistory.end(); - } - else - { - mCurrentHistoryLine = mLineHistory.end() - 1; - } - - mPrevText = mText; -} - - -// Picks a new cursor position based on the actual screen size of text being drawn. -void LLLineEditor::setCursorAtLocalPos( S32 local_mouse_x ) -{ - S32 cursor_pos = calcCursorPos(local_mouse_x); - - S32 left_pos = llmin( mSelectionStart, cursor_pos ); - S32 length = llabs( mSelectionStart - cursor_pos ); - const LLWString& substr = mText.getWString().substr(left_pos, length); - - if (mIsSelecting && !prevalidateInput(substr)) - return; - - setCursor(cursor_pos); -} - -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))); - // 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)); - } - else - { - mScrollHPos = min_scroll; - } - } - else if (getCursor() < mScrollHPos) - { - if (old_cursor_pos == mScrollHPos) - { - mScrollHPos = llmax(0, llmin(getCursor(), mScrollHPos - SCROLL_INCREMENT_DEL)); - } - else - { - mScrollHPos = getCursor(); - } - } -} - - -void LLLineEditor::setCursorToEnd() -{ - setCursor(mText.length()); - deselect(); -} - -void LLLineEditor::resetScrollPosition() -{ - mScrollHPos = 0; - // make sure cursor says in visible range - setCursor(getCursor()); -} - -bool LLLineEditor::canDeselect() const -{ - return hasSelection(); -} - -void LLLineEditor::deselect() -{ - mSelectionStart = 0; - mSelectionEnd = 0; - mIsSelecting = false; -} - - -void LLLineEditor::startSelection() -{ - mIsSelecting = true; - mSelectionStart = getCursor(); - mSelectionEnd = getCursor(); -} - -void LLLineEditor::endSelection() -{ - if( mIsSelecting ) - { - mIsSelecting = false; - mSelectionEnd = getCursor(); - } -} - -bool LLLineEditor::canSelectAll() const -{ - return true; -} - -void LLLineEditor::selectAll() -{ - if (!prevalidateInput(mText.getWString())) - { - return; - } - - mSelectionStart = mText.length(); - mSelectionEnd = 0; - setCursor(mSelectionEnd); - //mScrollHPos = 0; - mIsSelecting = true; - 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) -{ - setFocus( true ); - mTripleClickTimer.setTimerExpirySec(TRIPLE_CLICK_INTERVAL); - - if (mSelectionEnd == 0 && mSelectionStart == mText.length()) - { - // if everything is selected, handle this as a normal click to change insertion point - handleMouseDown(x, y, mask); - } - else - { - const LLWString& wtext = mText.getWString(); - - bool doSelectAll = true; - - // Select the word we're on - if( LLWStringUtil::isPartOfWord( wtext[mCursorPos] ) ) - { - S32 old_selection_start = mLastSelectionStart; - S32 old_selection_end = mLastSelectionEnd; - - // Select word the cursor is over - while ((mCursorPos > 0) && LLWStringUtil::isPartOfWord( wtext[mCursorPos-1] )) - { // Find the start of the word - mCursorPos--; - } - startSelection(); - - while ((mCursorPos < (S32)wtext.length()) && LLWStringUtil::isPartOfWord( wtext[mCursorPos] ) ) - { // Find the end of the word - mCursorPos++; - } - mSelectionEnd = mCursorPos; - - // If nothing changed, then the word was already selected. Select the whole line. - doSelectAll = (old_selection_start == mSelectionStart) && - (old_selection_end == mSelectionEnd); - } - - if ( doSelectAll ) - { // Select everything - selectAll(); - } - } - - // We don't want handleMouseUp() to "finish" the selection (and thereby - // set mSelectionEnd to where the mouse is), so we finish the selection - // here. - mIsSelecting = false; - - // delay cursor flashing - mKeystrokeTimer.reset(); - - // take selection to 'primary' clipboard - updatePrimary(); - - return true; -} - -bool LLLineEditor::handleMouseDown(S32 x, S32 y, MASK mask) -{ - // Check first whether the "clear search" button wants to deal with this. - if(childrenHandleMouseDown(x, y, mask) != NULL) - { - return true; - } - - if (!mSelectAllonFocusReceived - || gFocusMgr.getKeyboardFocus() == this) - { - mLastSelectionStart = -1; - mLastSelectionStart = -1; - - if (mask & MASK_SHIFT) - { - // assume we're starting a drag select - mIsSelecting = true; - - // Handle selection extension - S32 old_cursor_pos = getCursor(); - setCursorAtLocalPos(x); - - if (hasSelection()) - { - /* Mac-like behavior - extend selection towards the cursor - if (getCursor() < mSelectionStart - && getCursor() < mSelectionEnd) - { - // ...left of selection - mSelectionStart = llmax(mSelectionStart, mSelectionEnd); - mSelectionEnd = getCursor(); - } - else if (getCursor() > mSelectionStart - && getCursor() > mSelectionEnd) - { - // ...right of selection - mSelectionStart = llmin(mSelectionStart, mSelectionEnd); - mSelectionEnd = getCursor(); - } - else - { - mSelectionEnd = getCursor(); - } - */ - // Windows behavior - mSelectionEnd = getCursor(); - } - else - { - mSelectionStart = old_cursor_pos; - mSelectionEnd = getCursor(); - } - } - else - { - if (mTripleClickTimer.hasExpired()) - { - // Save selection for word/line selecting on double-click - mLastSelectionStart = mSelectionStart; - mLastSelectionEnd = mSelectionEnd; - - // Move cursor and deselect for regular click - setCursorAtLocalPos( x ); - deselect(); - startSelection(); - } - else // handle triple click - { - selectAll(); - // We don't want handleMouseUp() to "finish" the selection (and thereby - // set mSelectionEnd to where the mouse is), so we finish the selection - // here. - mIsSelecting = false; - } - } - - gFocusMgr.setMouseCapture( this ); - } - - setFocus(true); - - // delay cursor flashing - mKeystrokeTimer.reset(); - - if (mMouseDownSignal) - (*mMouseDownSignal)(this,x,y,mask); - - return true; -} - -bool LLLineEditor::handleMiddleMouseDown(S32 x, S32 y, MASK mask) -{ - // LL_INFOS() << "MiddleMouseDown" << LL_ENDL; - setFocus( true ); - if( canPastePrimary() ) - { - setCursorAtLocalPos(x); - pastePrimary(); - } - return true; -} - -bool LLLineEditor::handleRightMouseDown(S32 x, S32 y, MASK mask) -{ - setFocus(true); - if (!LLUICtrl::handleRightMouseDown(x, y, mask) && getShowContextMenu()) - { - showContextMenu(x, y); - } - return true; -} - -bool LLLineEditor::handleHover(S32 x, S32 y, MASK mask) -{ - bool handled = false; - // Check first whether the "clear search" button wants to deal with this. - if(!hasMouseCapture()) - { - if(childrenHandleHover(x, y, mask) != NULL) - { - return true; - } - } - - if( (hasMouseCapture()) && mIsSelecting ) - { - if (x != mLastSelectionX || y != mLastSelectionY) - { - mLastSelectionX = x; - mLastSelectionY = y; - } - // Scroll if mouse cursor outside of bounds - if (mScrollTimer.hasExpired()) - { - S32 increment = ll_round(mScrollTimer.getElapsedTimeF32() / AUTO_SCROLL_TIME); - mScrollTimer.reset(); - mScrollTimer.setTimerExpirySec(AUTO_SCROLL_TIME); - if( (x < mTextLeftEdge) && (mScrollHPos > 0 ) ) - { - // Scroll to the left - mScrollHPos = llclamp(mScrollHPos - increment, 0, mText.length()); - } - else - if( (x > mTextRightEdge) && (mCursorPos < (S32)mText.length()) ) - { - // If scrolling one pixel would make a difference... - S32 pixels_after_scrolling_one_char = findPixelNearestPos(1); - if( pixels_after_scrolling_one_char >= mTextRightEdge ) - { - // ...scroll to the right - mScrollHPos = llclamp(mScrollHPos + increment, 0, mText.length()); - } - } - } - - setCursorAtLocalPos( x ); - mSelectionEnd = getCursor(); - - // delay cursor flashing - mKeystrokeTimer.reset(); - - getWindow()->setCursor(UI_CURSOR_IBEAM); - LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL; - handled = true; - } - - if( !handled ) - { - getWindow()->setCursor(UI_CURSOR_IBEAM); - LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL; - handled = true; - } - - return handled; -} - - -bool LLLineEditor::handleMouseUp(S32 x, S32 y, MASK mask) -{ - bool handled = false; - - if( hasMouseCapture() ) - { - gFocusMgr.setMouseCapture( NULL ); - handled = true; - } - - // Check first whether the "clear search" button wants to deal with this. - if(!handled && childrenHandleMouseUp(x, y, mask) != NULL) - { - return true; - } - - if( mIsSelecting ) - { - setCursorAtLocalPos( x ); - mSelectionEnd = getCursor(); - - handled = true; - } - - if( handled ) - { - // delay cursor flashing - mKeystrokeTimer.reset(); - - // take selection to 'primary' clipboard - updatePrimary(); - } - - // We won't call LLUICtrl::handleMouseUp to avoid double calls of childrenHandleMouseUp().Just invoke the signal manually. - if (mMouseUpSignal) - (*mMouseUpSignal)(this,x,y, mask); - return handled; -} - - -// Remove a single character from the text -void LLLineEditor::removeChar() -{ - if( getCursor() > 0 ) - { - if (!prevalidateInput(mText.getWString().substr(getCursor()-1, 1))) - return; - - mText.erase(getCursor() - 1, 1); - - setCursor(getCursor() - 1); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } -} - - -void LLLineEditor::addChar(const llwchar uni_char) -{ - llwchar new_c = uni_char; - if (hasSelection()) - { - deleteSelection(); - } - else if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode()) - { - if (!prevalidateInput(mText.getWString().substr(getCursor(), 1))) - return; - - mText.erase(getCursor(), 1); - } - - S32 cur_bytes = mText.getString().size(); - - S32 new_bytes = wchar_utf8_length(new_c); - - bool allow_char = true; - - // Check byte length limit - if ((new_bytes + cur_bytes) > mMaxLengthBytes) - { - allow_char = false; - } - else if (mMaxLengthChars) - { - S32 wide_chars = mText.getWString().size(); - if ((wide_chars + 1) > mMaxLengthChars) - { - allow_char = false; - } - } - - if (allow_char) - { - // Will we need to scroll? - LLWString w_buf; - w_buf.assign(1, new_c); - - mText.insert(getCursor(), w_buf); - setCursor(getCursor() + 1); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } - - getWindow()->hideCursorUntilMouseMove(); -} - -// Extends the selection box to the new cursor position -void LLLineEditor::extendSelection( S32 new_cursor_pos ) -{ - if( !mIsSelecting ) - { - startSelection(); - } - - S32 left_pos = llmin( mSelectionStart, new_cursor_pos ); - S32 selection_length = llabs( mSelectionStart - new_cursor_pos ); - const LLWString& selection = mText.getWString().substr(left_pos, selection_length); - - if (!prevalidateInput(selection)) - return; - - setCursor(new_cursor_pos); - mSelectionEnd = getCursor(); -} - - -void LLLineEditor::setSelection(S32 start, S32 end) -{ - S32 len = mText.length(); - - mIsSelecting = true; - - // JC, yes, this seems odd, but I think you have to presume a - // selection dragged from the end towards the start. - mSelectionStart = llclamp(end, 0, len); - mSelectionEnd = llclamp(start, 0, len); - setCursor(start); -} - -void LLLineEditor::setDrawAsterixes(bool b) -{ - mDrawAsterixes = b; - updateAllowingLanguageInput(); -} - -S32 LLLineEditor::prevWordPos(S32 cursorPos) const -{ - const LLWString& wtext = mText.getWString(); - while( (cursorPos > 0) && (wtext[cursorPos-1] == ' ') ) - { - cursorPos--; - } - while( (cursorPos > 0) && LLWStringUtil::isPartOfWord( wtext[cursorPos-1] ) ) - { - cursorPos--; - } - return cursorPos; -} - -S32 LLLineEditor::nextWordPos(S32 cursorPos) const -{ - const LLWString& wtext = mText.getWString(); - while( (cursorPos < getLength()) && LLWStringUtil::isPartOfWord( wtext[cursorPos] ) ) - { - cursorPos++; - } - while( (cursorPos < getLength()) && (wtext[cursorPos] == ' ') ) - { - cursorPos++; - } - return cursorPos; -} - - -bool LLLineEditor::handleSelectionKey(KEY key, MASK mask) -{ - bool handled = false; - - if( mask & MASK_SHIFT ) - { - handled = true; - - switch( key ) - { - case KEY_LEFT: - if( 0 < getCursor() ) - { - S32 cursorPos = getCursor() - 1; - if( mask & MASK_CONTROL ) - { - cursorPos = prevWordPos(cursorPos); - } - extendSelection( cursorPos ); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } - break; - - case KEY_RIGHT: - if( getCursor() < mText.length()) - { - S32 cursorPos = getCursor() + 1; - if( mask & MASK_CONTROL ) - { - cursorPos = nextWordPos(cursorPos); - } - extendSelection( cursorPos ); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } - break; - - case KEY_PAGE_UP: - case KEY_HOME: - extendSelection( 0 ); - break; - - case KEY_PAGE_DOWN: - case KEY_END: - { - S32 len = mText.length(); - if( len ) - { - extendSelection( len ); - } - break; - } - - default: - handled = false; - break; - } - } - - if(handled) - { - // take selection to 'primary' clipboard - updatePrimary(); - } - - return handled; -} - -void LLLineEditor::deleteSelection() -{ - if( !mReadOnly && hasSelection() ) - { - S32 left_pos, selection_length; - getSelectionRange(&left_pos, &selection_length); - const LLWString& selection = mText.getWString().substr(left_pos, selection_length); - - if (!prevalidateInput(selection)) - return; - - mText.erase(left_pos, selection_length); - deselect(); - setCursor(left_pos); - } -} - -bool LLLineEditor::canCut() const -{ - return !mReadOnly && !mDrawAsterixes && hasSelection(); -} - -// cut selection to clipboard -void LLLineEditor::cut() -{ - if( canCut() ) - { - S32 left_pos, length; - getSelectionRange(&left_pos, &length); - const LLWString& selection = mText.getWString().substr(left_pos, length); - - if (!prevalidateInput(selection)) - return; - - // Prepare for possible rollback - LLLineEditorRollback rollback( this ); - - LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length ); - deleteSelection(); - - // Validate new string and rollback the if needed. - bool need_to_rollback = ( mPrevalidateFunc && !mPrevalidateFunc( mText.getWString() ) ); - if( need_to_rollback ) - { - rollback.doRollback( this ); - LLUI::getInstance()->reportBadKeystroke(); - } - else - { - onKeystroke(); - } - } -} - -bool LLLineEditor::canCopy() const -{ - return !mDrawAsterixes && hasSelection(); -} - - -// copy selection to clipboard -void LLLineEditor::copy() -{ - if( canCopy() ) - { - S32 left_pos = llmin( mSelectionStart, mSelectionEnd ); - S32 length = llabs( mSelectionStart - mSelectionEnd ); - LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length ); - } -} - -bool LLLineEditor::canPaste() const -{ - return !mReadOnly && LLClipboard::instance().isTextAvailable(); -} - -void LLLineEditor::paste() -{ - bool is_primary = false; - pasteHelper(is_primary); -} - -void LLLineEditor::pastePrimary() -{ - bool is_primary = true; - pasteHelper(is_primary); -} - -// paste from primary (is_primary==true) or clipboard (is_primary==false) -void LLLineEditor::pasteHelper(bool is_primary) -{ - bool can_paste_it; - if (is_primary) - { - can_paste_it = canPastePrimary(); - } - else - { - can_paste_it = canPaste(); - } - - if (can_paste_it) - { - LLWString paste; - LLClipboard::instance().pasteFromClipboard(paste, is_primary); - - if (!paste.empty()) - { - if (!prevalidateInput(paste)) - return; - - // Prepare for possible rollback - LLLineEditorRollback rollback(this); - - // Delete any selected characters - if ((!is_primary) && hasSelection()) - { - deleteSelection(); - } - - // Clean up string (replace tabs and returns and remove characters that our fonts don't support.) - LLWString clean_string(paste); - LLWStringUtil::replaceTabsWithSpaces(clean_string, 1); - //clean_string = wstring_detabify(paste, 1); - LLWStringUtil::replaceChar(clean_string, '\n', mReplaceNewlinesWithSpaces ? ' ' : 182); // 182 == paragraph character - - // Insert the string - - // Check to see that the size isn't going to be larger than the max number of bytes - U32 available_bytes = mMaxLengthBytes - wstring_utf8_length(mText); - - if ( available_bytes < (U32) wstring_utf8_length(clean_string) ) - { // Doesn't all fit - llwchar current_symbol = clean_string[0]; - U32 wchars_that_fit = 0; - U32 total_bytes = wchar_utf8_length(current_symbol); - - //loop over the "wide" characters (symbols) - //and check to see how large (in bytes) each symbol is. - while ( total_bytes <= available_bytes ) - { - //while we still have available bytes - //"accept" the current symbol and check the size - //of the next one - current_symbol = clean_string[++wchars_that_fit]; - total_bytes += wchar_utf8_length(current_symbol); - } - // Truncate the clean string at the limit of what will fit - clean_string = clean_string.substr(0, wchars_that_fit); - LLUI::getInstance()->reportBadKeystroke(); - } - - if (mMaxLengthChars) - { - U32 available_chars = mMaxLengthChars - mText.getWString().size(); - - if (available_chars < clean_string.size()) - { - clean_string = clean_string.substr(0, available_chars); - } - - LLUI::getInstance()->reportBadKeystroke(); - } - - mText.insert(getCursor(), clean_string); - setCursor( getCursor() + (S32)clean_string.length() ); - deselect(); - - // Validate new string and rollback the if needed. - bool need_to_rollback = ( mPrevalidateFunc && !mPrevalidateFunc( mText.getWString() ) ); - if( need_to_rollback ) - { - rollback.doRollback( this ); - LLUI::getInstance()->reportBadKeystroke(); - } - else - { - onKeystroke(); - } - } - } -} - -// copy selection to primary -void LLLineEditor::copyPrimary() -{ - if( canCopy() ) - { - S32 left_pos = llmin( mSelectionStart, mSelectionEnd ); - S32 length = llabs( mSelectionStart - mSelectionEnd ); - LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length, true); - } -} - -bool LLLineEditor::canPastePrimary() const -{ - return !mReadOnly && LLClipboard::instance().isTextAvailable(true); -} - -void LLLineEditor::updatePrimary() -{ - if(canCopy() ) - { - copyPrimary(); - } -} - -bool LLLineEditor::handleSpecialKey(KEY key, MASK mask) -{ - bool handled = false; - - switch( key ) - { - case KEY_INSERT: - if (mask == MASK_NONE) - { - gKeyboard->toggleInsertMode(); - } - - handled = true; - break; - - case KEY_BACKSPACE: - if (!mReadOnly) - { - //LL_INFOS() << "Handling backspace" << LL_ENDL; - if( hasSelection() ) - { - deleteSelection(); - } - else - if( 0 < getCursor() ) - { - removeChar(); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } - } - handled = true; - break; - - case KEY_PAGE_UP: - case KEY_HOME: - if (!mIgnoreArrowKeys) - { - setCursor(0); - handled = true; - } - break; - - case KEY_PAGE_DOWN: - case KEY_END: - if (!mIgnoreArrowKeys) - { - S32 len = mText.length(); - if( len ) - { - setCursor(len); - } - handled = true; - } - break; - - case KEY_LEFT: - if (mIgnoreArrowKeys && mask == MASK_NONE) - break; - if ((mask & MASK_ALT) == 0) - { - if( hasSelection() ) - { - setCursor(llmin( getCursor() - 1, mSelectionStart, mSelectionEnd )); - } - else - if( 0 < getCursor() ) - { - S32 cursorPos = getCursor() - 1; - if( mask & MASK_CONTROL ) - { - cursorPos = prevWordPos(cursorPos); - } - setCursor(cursorPos); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } - handled = true; - } - break; - - case KEY_RIGHT: - if (mIgnoreArrowKeys && mask == MASK_NONE) - break; - if ((mask & MASK_ALT) == 0) - { - if (hasSelection()) - { - setCursor(llmax(getCursor() + 1, mSelectionStart, mSelectionEnd)); - } - else - if (getCursor() < mText.length()) - { - S32 cursorPos = getCursor() + 1; - if( mask & MASK_CONTROL ) - { - cursorPos = nextWordPos(cursorPos); - } - setCursor(cursorPos); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } - handled = true; - } - break; - - // handle ctrl-uparrow if we have a history enabled line editor. - case KEY_UP: - if (mHaveHistory && (!mIgnoreArrowKeys || (MASK_CONTROL == mask))) - { - if (mCurrentHistoryLine > mLineHistory.begin()) - { - mText.assign(*(--mCurrentHistoryLine)); - setCursorToEnd(); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } - handled = true; - } - break; - - // handle [ctrl]-downarrow if we have a history enabled line editor - case KEY_DOWN: - if (mHaveHistory && (!mIgnoreArrowKeys || (MASK_CONTROL == mask))) - { - if (!mLineHistory.empty() && mCurrentHistoryLine < mLineHistory.end() - 1) - { - mText.assign( *(++mCurrentHistoryLine) ); - setCursorToEnd(); - } - else - { - LLUI::getInstance()->reportBadKeystroke(); - } - handled = true; - } - break; - - case KEY_RETURN: - // store sent line in history - updateHistory(); - break; - - case KEY_ESCAPE: - if (mRevertOnEsc && mText.getString() != mPrevText) - { - setText(mPrevText); - // Note, don't set handled, still want to loose focus (won't commit becase text is now unchanged) - if (mKeystrokeOnEsc) - { - onKeystroke(); - } - } - break; - - default: - break; - } - - return handled; -} - - -bool LLLineEditor::handleKeyHere(KEY key, MASK mask ) -{ - bool handled = false; - bool selection_modified = false; - - if ( gFocusMgr.getKeyboardFocus() == this ) - { - LLLineEditorRollback rollback( this ); - - if( !handled ) - { - handled = handleSelectionKey( key, mask ); - selection_modified = handled; - } - - // Handle most keys only if the text editor is writeable. - if ( !mReadOnly ) - { - if( !handled ) - { - handled = handleSpecialKey( key, mask ); - } - } - - if( handled ) - { - mKeystrokeTimer.reset(); - - // Most keystrokes will make the selection box go away, but not all will. - if( !selection_modified && - KEY_SHIFT != key && - KEY_CONTROL != key && - KEY_ALT != key && - KEY_CAPSLOCK != key) - { - deselect(); - } - - bool need_to_rollback = false; - - // If read-only, don't allow changes - need_to_rollback |= (mReadOnly && (mText.getString() == rollback.getText())); - - // Validate new string and rollback the keystroke if needed. - need_to_rollback |= (mPrevalidateFunc && !mPrevalidateFunc(mText.getWString())); - - if (need_to_rollback) - { - rollback.doRollback(this); - - LLUI::getInstance()->reportBadKeystroke(); - } - - // Notify owner if requested - if (!need_to_rollback && handled) - { - onKeystroke(); - if ( (!selection_modified) && (KEY_BACKSPACE == key) ) - { - mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY); - } - } - } - } - - return handled; -} - - -bool LLLineEditor::handleUnicodeCharHere(llwchar uni_char) -{ - if ((uni_char < 0x20) || (uni_char == 0x7F)) // Control character or DEL - { - return false; - } - - bool handled = false; - - if ( (gFocusMgr.getKeyboardFocus() == this) && getVisible() && !mReadOnly) - { - handled = true; - - LLLineEditorRollback rollback( this ); - - { - LLWString u_char; - u_char.assign(1, uni_char); - if (!prevalidateInput(u_char)) - return handled; - } - - addChar(uni_char); - - mKeystrokeTimer.reset(); - - deselect(); - - bool need_to_rollback = false; - - // Validate new string and rollback the keystroke if needed. - need_to_rollback |= ( mPrevalidateFunc && !mPrevalidateFunc( mText.getWString() ) ); - - if( need_to_rollback ) - { - rollback.doRollback( this ); - - LLUI::getInstance()->reportBadKeystroke(); - } - - // Notify owner if requested - if( !need_to_rollback && handled ) - { - // 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; -} - - -bool LLLineEditor::canDoDelete() const -{ - return ( !mReadOnly && (!mPassDelete || (hasSelection() || (getCursor() < mText.length()))) ); -} - -void LLLineEditor::doDelete() -{ - if (canDoDelete() && mText.length() > 0) - { - // Prepare for possible rollback - LLLineEditorRollback rollback( this ); - - if (hasSelection()) - { - deleteSelection(); - } - else if ( getCursor() < mText.length()) - { - const LLWString& text_to_delete = mText.getWString().substr(getCursor(), 1); - - if (!prevalidateInput(text_to_delete)) - { - onKeystroke(); - return; - } - setCursor(getCursor() + 1); - removeChar(); - } - - // Validate new string and rollback the if needed. - bool need_to_rollback = ( mPrevalidateFunc && !mPrevalidateFunc( mText.getWString() ) ); - if( need_to_rollback ) - { - rollback.doRollback( this ); - LLUI::getInstance()->reportBadKeystroke(); - } - else - { - onKeystroke(); - - mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY); - } - } -} - - -void LLLineEditor::drawBackground() -{ - F32 alpha = getCurrentTransparency(); - if (mUseBgColor) - { - gl_rect_2d(getLocalRect(), mBgColor % alpha, true); - } - else - { - bool has_focus = hasFocus(); - LLUIImage* image; - if (mReadOnly) - { - image = mBgImageDisabled; - } - else if (has_focus || mShowImageFocused) - { - image = mBgImageFocused; - } - else - { - image = mBgImage; - } - - if (!image) return; - // optionally draw programmatic border - if (has_focus) - { - LLColor4 tmp_color = gFocusMgr.getFocusColor(); - tmp_color.setAlpha(alpha); - image->drawBorder(0, 0, getRect().getWidth(), getRect().getHeight(), - tmp_color, - gFocusMgr.getFocusFlashWidth()); - } - LLColor4 tmp_color = UI_VERTEX_COLOR; - tmp_color.setAlpha(alpha); - image->draw(getLocalRect(), tmp_color); - } -} - -//virtual -const std::string LLLineEditor::getToolTip() const -{ - if (sDebugUnicode) - { - std::string text = getText(); - std::string tooltip = utf8str_showBytesUTF8(text); - return tooltip; - } - - return LLUICtrl::getToolTip(); -} - -//virtual -void LLLineEditor::draw() -{ - F32 alpha = getDrawContext().mAlpha; - S32 text_len = mText.length(); - static LLUICachedControl<S32> lineeditor_cursor_thickness ("UILineEditorCursorThickness", 0); - static LLUICachedControl<F32> preedit_marker_brightness ("UIPreeditMarkerBrightness", 0); - static LLUICachedControl<S32> preedit_marker_gap ("UIPreeditMarkerGap", 0); - static LLUICachedControl<S32> preedit_marker_position ("UIPreeditMarkerPosition", 0); - static LLUICachedControl<S32> preedit_marker_thickness ("UIPreeditMarkerThickness", 0); - static LLUICachedControl<F32> preedit_standout_brightness ("UIPreeditStandoutBrightness", 0); - static LLUICachedControl<S32> preedit_standout_gap ("UIPreeditStandoutGap", 0); - static LLUICachedControl<S32> preedit_standout_position ("UIPreeditStandoutPosition", 0); - static LLUICachedControl<S32> preedit_standout_thickness ("UIPreeditStandoutThickness", 0); - - std::string saved_text; - if (mDrawAsterixes) - { - saved_text = mText.getString(); - std::string text; - for (S32 i = 0; i < mText.length(); i++) - { - text += PASSWORD_ASTERISK; - } - mText = text; - } - - // draw rectangle for the background - LLRect background( 0, getRect().getHeight(), getRect().getWidth(), 0 ); - background.stretch( -mBorderThickness ); - - S32 lineeditor_v_pad = (background.getHeight() - mGLFont->getLineHeight()) / 2; - if (mSpellCheck) - { - lineeditor_v_pad += 1; - } - - drawBackground(); - - // draw text - - // With viewer-2 art files, input region is 2 pixels up - S32 cursor_bottom = background.mBottom + 2; - S32 cursor_top = background.mTop - 1; - - LLColor4 text_color; - if (!mReadOnly) - { - if (!getTentative()) - { - text_color = mFgColor.get(); - } - else - { - text_color = mTentativeFgColor.get(); - } - } - else - { - text_color = mReadOnlyFgColor.get(); - } - text_color.setAlpha(alpha); - LLColor4 label_color = mTentativeFgColor.get(); - label_color.setAlpha(alpha); - - if (hasPreeditString()) - { - // Draw preedit markers. This needs to be before drawing letters. - for (U32 i = 0; i < mPreeditStandouts.size(); i++) - { - const S32 preedit_left = mPreeditPositions[i]; - const S32 preedit_right = mPreeditPositions[i + 1]; - if (preedit_right > mScrollHPos) - { - S32 preedit_pixels_left = findPixelNearestPos(llmax(preedit_left, mScrollHPos) - getCursor()); - S32 preedit_pixels_right = llmin(findPixelNearestPos(preedit_right - getCursor()), background.mRight); - if (preedit_pixels_left >= background.mRight) - { - break; - } - if (mPreeditStandouts[i]) - { - gl_rect_2d(preedit_pixels_left + preedit_standout_gap, - background.mBottom + preedit_standout_position, - preedit_pixels_right - preedit_standout_gap - 1, - background.mBottom + preedit_standout_position - preedit_standout_thickness, - (text_color * preedit_standout_brightness - + mPreeditBgColor * (1 - preedit_standout_brightness)).setAlpha(alpha/*1.0f*/)); - } - else - { - gl_rect_2d(preedit_pixels_left + preedit_marker_gap, - background.mBottom + preedit_marker_position, - preedit_pixels_right - preedit_marker_gap - 1, - background.mBottom + preedit_marker_position - preedit_marker_thickness, - (text_color * preedit_marker_brightness - + mPreeditBgColor * (1 - preedit_marker_brightness)).setAlpha(alpha/*1.0f*/)); - } - } - } - } - - S32 rendered_text = 0; - F32 rendered_pixels_right = (F32)mTextLeftEdge; - F32 text_bottom = (F32)background.mBottom + (F32)lineeditor_v_pad; - - if( (gFocusMgr.getKeyboardFocus() == this) && hasSelection() ) - { - S32 select_left; - S32 select_right; - if (mSelectionStart < mSelectionEnd) - { - select_left = mSelectionStart; - select_right = mSelectionEnd; - } - else - { - select_left = mSelectionEnd; - select_right = mSelectionStart; - } - - if( select_left > mScrollHPos ) - { - // unselected, left side - rendered_text = mGLFont->render( - mText, mScrollHPos, - rendered_pixels_right, text_bottom, - text_color, - LLFontGL::LEFT, LLFontGL::BOTTOM, - 0, - LLFontGL::NO_SHADOW, - select_left - mScrollHPos, - mTextRightEdge - ll_round(rendered_pixels_right), - &rendered_pixels_right); - } - - if( (rendered_pixels_right < (F32)mTextRightEdge) && (rendered_text < text_len) ) - { - LLColor4 color = mHighlightColor; - color.setAlpha(alpha); - // selected middle - S32 width = mGLFont->getWidth(mText.getWString().c_str(), mScrollHPos + rendered_text, select_right - mScrollHPos - rendered_text); - width = llmin(width, mTextRightEdge - ll_round(rendered_pixels_right)); - gl_rect_2d(ll_round(rendered_pixels_right), cursor_top, ll_round(rendered_pixels_right)+width, cursor_bottom, color); - - LLColor4 tmp_color( 1.f - text_color.mV[0], 1.f - text_color.mV[1], 1.f - text_color.mV[2], alpha ); - rendered_text += mGLFont->render( - mText, mScrollHPos + rendered_text, - rendered_pixels_right, text_bottom, - tmp_color, - LLFontGL::LEFT, LLFontGL::BOTTOM, - 0, - LLFontGL::NO_SHADOW, - select_right - mScrollHPos - rendered_text, - mTextRightEdge - ll_round(rendered_pixels_right), - &rendered_pixels_right); - } - - if( (rendered_pixels_right < (F32)mTextRightEdge) && (rendered_text < text_len) ) - { - // unselected, right side - rendered_text += mGLFont->render( - mText, mScrollHPos + rendered_text, - rendered_pixels_right, text_bottom, - text_color, - LLFontGL::LEFT, LLFontGL::BOTTOM, - 0, - LLFontGL::NO_SHADOW, - S32_MAX, - mTextRightEdge - ll_round(rendered_pixels_right), - &rendered_pixels_right); - } - } - else - { - rendered_text = mGLFont->render( - mText, mScrollHPos, - rendered_pixels_right, text_bottom, - text_color, - LLFontGL::LEFT, LLFontGL::BOTTOM, - 0, - LLFontGL::NO_SHADOW, - S32_MAX, - mTextRightEdge - ll_round(rendered_pixels_right), - &rendered_pixels_right); - } -#if 1 // for when we're ready for image art. - 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; - } - - S32 pxBottom = (S32)(text_bottom + mGLFont->getDescenderHeight()); - - gGL.color4ub(255, 0, 0, 200); - while (pxStart + 1 < pxEnd) - { - gl_line_2d(pxStart, pxBottom, pxStart + 2, pxBottom - 2); - if (pxStart + 3 < pxEnd) - { - gl_line_2d(pxStart + 2, pxBottom - 3, pxStart + 4, pxBottom - 1); - } - pxStart += 4; - } - } - } - - // If we're editing... - if( hasFocus()) - { - //mBorder->setVisible(true); // ok, programmer art just this once. - // (Flash the cursor every half second) - if (!mReadOnly && gFocusMgr.getAppHasFocus()) - { - F32 elapsed = mKeystrokeTimer.getElapsedTimeF32(); - if( (elapsed < CURSOR_FLASH_DELAY ) || (S32(elapsed * 2) & 1) ) - { - S32 cursor_left = findPixelNearestPos(); - cursor_left -= lineeditor_cursor_thickness / 2; - S32 cursor_right = cursor_left + lineeditor_cursor_thickness; - if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode() && !hasSelection()) - { - const LLWString space(utf8str_to_wstring(std::string(" "))); - S32 wswidth = mGLFont->getWidth(space.c_str()); - S32 width = mGLFont->getWidth(mText.getWString().c_str(), getCursor(), 1) + 1; - cursor_right = cursor_left + llmax(wswidth, width); - } - // Use same color as text for the Cursor - gl_rect_2d(cursor_left, cursor_top, - cursor_right, cursor_bottom, text_color); - if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode() && !hasSelection()) - { - LLColor4 tmp_color( 1.f - text_color.mV[0], 1.f - text_color.mV[1], 1.f - text_color.mV[2], alpha ); - mGLFont->render(mText, getCursor(), (F32)(cursor_left + lineeditor_cursor_thickness / 2), text_bottom, - tmp_color, - LLFontGL::LEFT, LLFontGL::BOTTOM, - 0, - LLFontGL::NO_SHADOW, - 1); - } - - // Make sure the IME is in the right place - S32 pixels_after_scroll = findPixelNearestPos(); // RCalculcate for IME position - LLRect screen_pos = calcScreenRect(); - LLCoordGL ime_pos( screen_pos.mLeft + pixels_after_scroll, screen_pos.mTop - lineeditor_v_pad ); - - ime_pos.mX = (S32) (ime_pos.mX * LLUI::getScaleFactor().mV[VX]); - ime_pos.mY = (S32) (ime_pos.mY * LLUI::getScaleFactor().mV[VY]); - getWindow()->setLanguageTextInput( ime_pos ); - } - } - - //draw label if no text is provided - //but we should draw it in a different color - //to give indication that it is not text you typed in - if (0 == mText.length() && (mReadOnly || mShowLabelFocused)) - { - mGLFont->render(mLabel.getWString(), 0, - mTextLeftEdge, (F32)text_bottom, - label_color, - LLFontGL::LEFT, - LLFontGL::BOTTOM, - 0, - LLFontGL::NO_SHADOW, - S32_MAX, - mTextRightEdge - ll_round(rendered_pixels_right), - &rendered_pixels_right, false); - } - - - // Draw children (border) - //mBorder->setVisible(true); - mBorder->setKeyboardFocusHighlight( true ); - LLView::draw(); - mBorder->setKeyboardFocusHighlight( false ); - //mBorder->setVisible(false); - } - else // does not have keyboard input - { - // draw label if no text provided - if (0 == mText.length()) - { - mGLFont->render(mLabel.getWString(), 0, - mTextLeftEdge, (F32)text_bottom, - label_color, - LLFontGL::LEFT, - LLFontGL::BOTTOM, - 0, - LLFontGL::NO_SHADOW, - S32_MAX, - mTextRightEdge - ll_round(rendered_pixels_right), - &rendered_pixels_right); - } - // Draw children (border) - LLView::draw(); - } - - if (mDrawAsterixes) - { - mText = saved_text; - } -} - - -// Returns the local screen space X coordinate associated with the text cursor position. -S32 LLLineEditor::findPixelNearestPos(const S32 cursor_offset) const -{ - S32 dpos = getCursor() - mScrollHPos + cursor_offset; - S32 result = mGLFont->getWidth(mText.getWString().c_str(), mScrollHPos, dpos) + mTextLeftEdge; - return result; -} - -S32 LLLineEditor::calcCursorPos(S32 mouse_x) -{ - const llwchar* wtext = mText.getWString().c_str(); - LLWString asterix_text; - if (mDrawAsterixes) - { - for (S32 i = 0; i < mText.length(); i++) - { - asterix_text += utf8str_to_wstring(PASSWORD_ASTERISK); - } - wtext = asterix_text.c_str(); - } - - S32 cur_pos = mScrollHPos + - mGLFont->charFromPixelOffset( - wtext, mScrollHPos, - (F32)(mouse_x - mTextLeftEdge), - (F32)(mTextRightEdge - mTextLeftEdge + 1)); // min-max range is inclusive - - return cur_pos; -} -//virtual -void LLLineEditor::clear() -{ - mText.clear(); - setCursor(0); -} - -//virtual -void LLLineEditor::onTabInto() -{ - selectAll(); - LLUICtrl::onTabInto(); -} - -//virtual -bool LLLineEditor::acceptsTextInput() const -{ - return true; -} - -// Start or stop the editor from accepting text-editing keystrokes -void LLLineEditor::setFocus( bool new_state ) -{ - bool old_state = hasFocus(); - - if (!new_state) - { - getWindow()->allowLanguageTextInput(this, false); - } - - - // getting focus when we didn't have it before, and we want to select all - if (!old_state && new_state && mSelectAllonFocusReceived) - { - selectAll(); - // We don't want handleMouseUp() to "finish" the selection (and thereby - // set mSelectionEnd to where the mouse is), so we finish the selection - // here. - mIsSelecting = false; - } - - if( new_state ) - { - gEditMenuHandler = this; - - // Don't start the cursor flashing right away - mKeystrokeTimer.reset(); - } - else - { - // Not really needed, since loss of keyboard focus should take care of this, - // but limited paranoia is ok. - if( gEditMenuHandler == this ) - { - gEditMenuHandler = NULL; - } - - endSelection(); - } - - LLUICtrl::setFocus( new_state ); - - if (new_state) - { - // Allow Language Text Input only when this LineEditor has - // no prevalidate function attached. This criterion works - // fine on 1.15.0.2, since all prevalidate func reject any - // non-ASCII characters. I'm not sure on future versions, - // however. - getWindow()->allowLanguageTextInput(this, mPrevalidateFunc == NULL); - } -} - -//virtual -void LLLineEditor::setRect(const LLRect& rect) -{ - LLUICtrl::setRect(rect); - if (mBorder) - { - LLRect border_rect = mBorder->getRect(); - // Scalable UI somehow made these rectangles off-by-one. - // I don't know why. JC - border_rect.setOriginAndSize(border_rect.mLeft, border_rect.mBottom, - rect.getWidth()-1, rect.getHeight()-1); - mBorder->setRect(border_rect); - } -} - -void LLLineEditor::setPrevalidate(LLTextValidate::validate_func_t func) -{ - mPrevalidateFunc = func; - updateAllowingLanguageInput(); -} - -void LLLineEditor::setPrevalidateInput(LLTextValidate::validate_func_t func) -{ - mPrevalidateInputFunc = func; - updateAllowingLanguageInput(); -} - -bool LLLineEditor::prevalidateInput(const LLWString& wstr) -{ - if (mPrevalidateInputFunc && !mPrevalidateInputFunc(wstr)) - { - return false; - } - - return true; -} - -// static -bool LLLineEditor::postvalidateFloat(const std::string &str) -{ - LLLocale locale(LLLocale::USER_LOCALE); - - bool success = true; - bool has_decimal = false; - bool has_digit = false; - - LLWString trimmed = utf8str_to_wstring(str); - LLWStringUtil::trim(trimmed); - S32 len = trimmed.length(); - if( 0 < len ) - { - S32 i = 0; - - // First character can be a negative sign - if( '-' == trimmed[0] ) - { - i++; - } - - // May be a comma or period, depending on the locale - llwchar decimal_point = (llwchar)LLResMgr::getInstance()->getDecimalPoint(); - - for( ; i < len; i++ ) - { - if( decimal_point == trimmed[i] ) - { - if( has_decimal ) - { - // can't have two - success = false; - break; - } - else - { - has_decimal = true; - } - } - else - if( LLStringOps::isDigit( trimmed[i] ) ) - { - has_digit = true; - } - else - { - success = false; - break; - } - } - } - - // Gotta have at least one - success = has_digit; - - return success; -} - -bool LLLineEditor::evaluateFloat() -{ - bool success; - F32 result = 0.f; - std::string expr = getText(); - LLStringUtil::toUpper(expr); - - success = LLCalc::getInstance()->evalString(expr, result); - - if (!success) - { - // Move the cursor to near the error on failure - setCursor(LLCalc::getInstance()->getLastErrorPos()); - // *TODO: Translated error message indicating the type of error? Select error text? - } - else - { - // Replace the expression with the result - std::string result_str = llformat("%f",result); - setText(result_str); - selectAll(); - } - - return success; -} - -void LLLineEditor::onMouseCaptureLost() -{ - endSelection(); -} - - -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) -{ - mKeystrokeCallback = boost::bind(callback, _1, user_data); -} - - -bool LLLineEditor::setTextArg( const std::string& key, const LLStringExplicit& text ) -{ - mText.setArg(key, text); - return true; -} - -bool LLLineEditor::setLabelArg( const std::string& key, const LLStringExplicit& text ) -{ - mLabel.setArg(key, text); - return true; -} - - -void LLLineEditor::updateAllowingLanguageInput() -{ - // Allow Language Text Input only when this LineEditor has - // no prevalidate function attached (as long as other criteria - // common to LLTextEditor). This criterion works - // fine on 1.15.0.2, since all prevalidate func reject any - // non-ASCII characters. I'm not sure on future versions, - // however... - LLWindow* window = getWindow(); - if (!window) - { - // test app, no window available - return; - } - if (hasFocus() && !mReadOnly && !mDrawAsterixes && mPrevalidateFunc == NULL) - { - window->allowLanguageTextInput(this, true); - } - else - { - window->allowLanguageTextInput(this, false); - } -} - -bool LLLineEditor::hasPreeditString() const -{ - return (mPreeditPositions.size() > 1); -} - -void LLLineEditor::resetPreedit() -{ - if (hasSelection()) - { - if (hasPreeditString()) - { - LL_WARNS() << "Preedit and selection!" << LL_ENDL; - deselect(); - } - else - { - deleteSelection(); - } - } - if (hasPreeditString()) - { - const S32 preedit_pos = mPreeditPositions.front(); - mText.erase(preedit_pos, mPreeditPositions.back() - preedit_pos); - mText.insert(preedit_pos, mPreeditOverwrittenWString); - setCursor(preedit_pos); - - mPreeditWString.clear(); - mPreeditOverwrittenWString.clear(); - mPreeditPositions.clear(); - - // Don't reset key stroke timer nor invoke keystroke callback, - // because a call to updatePreedit should be follow soon in - // normal course of operation, and timer and callback will be - // maintained there. Doing so here made an odd sound. (VWR-3410) - } -} - -void LLLineEditor::updatePreedit(const LLWString &preedit_string, - const segment_lengths_t &preedit_segment_lengths, const standouts_t &preedit_standouts, S32 caret_position) -{ - // Just in case. - if (mReadOnly) - { - return; - } - - // Note that call to updatePreedit is always preceeded by resetPreedit, - // so we have no existing selection/preedit. - - S32 insert_preedit_at = getCursor(); - - mPreeditWString = preedit_string; - mPreeditPositions.resize(preedit_segment_lengths.size() + 1); - S32 position = insert_preedit_at; - for (segment_lengths_t::size_type i = 0; i < preedit_segment_lengths.size(); i++) - { - mPreeditPositions[i] = position; - position += preedit_segment_lengths[i]; - } - mPreeditPositions.back() = position; - if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode()) - { - mPreeditOverwrittenWString.assign( LLWString( mText, insert_preedit_at, mPreeditWString.length() ) ); - mText.erase(insert_preedit_at, mPreeditWString.length()); - } - else - { - mPreeditOverwrittenWString.clear(); - } - mText.insert(insert_preedit_at, mPreeditWString); - - mPreeditStandouts = preedit_standouts; - - setCursor(position); - setCursor(mPreeditPositions.front() + caret_position); - - // Update of the preedit should be caused by some key strokes. - mKeystrokeTimer.reset(); - onKeystroke(); - - mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY); -} - -bool LLLineEditor::getPreeditLocation(S32 query_offset, LLCoordGL *coord, LLRect *bounds, LLRect *control) const -{ - if (control) - { - LLRect control_rect_screen; - localRectToScreen(getRect(), &control_rect_screen); - LLUI::getInstance()->screenRectToGL(control_rect_screen, control); - } - - S32 preedit_left_column, preedit_right_column; - if (hasPreeditString()) - { - preedit_left_column = mPreeditPositions.front(); - preedit_right_column = mPreeditPositions.back(); - } - else - { - preedit_left_column = preedit_right_column = getCursor(); - } - if (preedit_right_column < mScrollHPos) - { - // This should not occure... - return false; - } - - const S32 query = (query_offset >= 0 ? preedit_left_column + query_offset : getCursor()); - if (query < mScrollHPos || query < preedit_left_column || query > preedit_right_column) - { - return false; - } - - if (coord) - { - S32 query_local = findPixelNearestPos(query - getCursor()); - S32 query_screen_x, query_screen_y; - localPointToScreen(query_local, getRect().getHeight() / 2, &query_screen_x, &query_screen_y); - LLUI::getInstance()->screenPointToGL(query_screen_x, query_screen_y, &coord->mX, &coord->mY); - } - - if (bounds) - { - S32 preedit_left_local = findPixelNearestPos(llmax(preedit_left_column, mScrollHPos) - getCursor()); - S32 preedit_right_local = llmin(findPixelNearestPos(preedit_right_column - getCursor()), getRect().getWidth() - mBorderThickness); - if (preedit_left_local > preedit_right_local) - { - // Is this condition possible? - preedit_right_local = preedit_left_local; - } - - LLRect preedit_rect_local(preedit_left_local, getRect().getHeight(), preedit_right_local, 0); - LLRect preedit_rect_screen; - localRectToScreen(preedit_rect_local, &preedit_rect_screen); - LLUI::getInstance()->screenRectToGL(preedit_rect_screen, bounds); - } - - return true; -} - -void LLLineEditor::getPreeditRange(S32 *position, S32 *length) const -{ - if (hasPreeditString()) - { - *position = mPreeditPositions.front(); - *length = mPreeditPositions.back() - mPreeditPositions.front(); - } - else - { - *position = mCursorPos; - *length = 0; - } -} - -void LLLineEditor::getSelectionRange(S32 *position, S32 *length) const -{ - if (hasSelection()) - { - *position = llmin(mSelectionStart, mSelectionEnd); - *length = llabs(mSelectionStart - mSelectionEnd); - } - else - { - *position = mCursorPos; - *length = 0; - } -} - -void LLLineEditor::markAsPreedit(S32 position, S32 length) -{ - deselect(); - setCursor(position); - if (hasPreeditString()) - { - LL_WARNS() << "markAsPreedit invoked when hasPreeditString is true." << LL_ENDL; - } - mPreeditWString.assign( LLWString( mText.getWString(), position, length ) ); - if (length > 0) - { - mPreeditPositions.resize(2); - mPreeditPositions[0] = position; - mPreeditPositions[1] = position + length; - mPreeditStandouts.resize(1); - mPreeditStandouts[0] = false; - } - else - { - mPreeditPositions.clear(); - mPreeditStandouts.clear(); - } - if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode()) - { - mPreeditOverwrittenWString = mPreeditWString; - } - else - { - mPreeditOverwrittenWString.clear(); - } -} - -S32 LLLineEditor::getPreeditFontSize() const -{ - return ll_round(mGLFont->getLineHeight() * LLUI::getScaleFactor().mV[VY]); -} - -void LLLineEditor::setReplaceNewlinesWithSpaces(bool replace) -{ - mReplaceNewlinesWithSpaces = replace; -} - -LLWString LLLineEditor::getConvertedText() const -{ - LLWString text = getWText(); - LLWStringUtil::trim(text); - if (!mReplaceNewlinesWithSpaces) - { - LLWStringUtil::replaceChar(text,182,'\n'); // Convert paragraph symbols back into newlines. - } - return text; -} - -void LLLineEditor::showContextMenu(S32 x, S32 y) -{ - LLContextMenu* menu = static_cast<LLContextMenu*>(mContextMenuHandle.get()); - if (!menu) - { - llassert(LLMenuGL::sMenuContainer != NULL); - menu = LLUICtrlFactory::createFromFile<LLContextMenu> - ("menu_text_editor.xml", - LLMenuGL::sMenuContainer, - LLMenuHolderGL::child_registry_t::instance()); - setContextMenu(menu); - } - - if (menu) - { - gEditMenuHandler = this; - - S32 screen_x, screen_y; - localPointToScreen(x, y, &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())) - { - 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); - } -} - -void LLLineEditor::setContextMenu(LLContextMenu* new_context_menu) -{ - LLContextMenu* menu = static_cast<LLContextMenu*>(mContextMenuHandle.get()); - if (menu) - { - menu->die(); - mContextMenuHandle.markDead(); - } - - if (new_context_menu) - { - mContextMenuHandle = new_context_menu->getHandle(); - } -} - -void LLLineEditor::setFont(const LLFontGL* font) -{ - mGLFont = font; -} +/**
+ * @file lllineeditor.cpp
+ * @brief LLLineEditor base class
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+// Text editor widget to let users enter a single line.
+
+#include "linden_common.h"
+
+#define LLLINEEDITOR_CPP
+#include "lllineeditor.h"
+
+#include "lltexteditor.h"
+#include "llmath.h"
+#include "llfontgl.h"
+#include "llgl.h"
+#include "lltimer.h"
+
+#include "llcalc.h"
+//#include "llclipboard.h"
+#include "llcontrol.h"
+#include "llbutton.h"
+#include "llfocusmgr.h"
+#include "llkeyboard.h"
+#include "llrect.h"
+#include "llresmgr.h"
+#include "llspellcheck.h"
+#include "llstring.h"
+#include "llwindow.h"
+#include "llui.h"
+#include "lluictrlfactory.h"
+#include "llclipboard.h"
+#include "llmenugl.h"
+
+//
+// Imported globals
+//
+
+//
+// Constants
+//
+
+const F32 CURSOR_FLASH_DELAY = 1.0f; // in seconds
+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
+
+static LLDefaultChildRegistry::Register<LLLineEditor> r1("line_editor");
+
+// Compiler optimization, generate extern template
+template class LLLineEditor* LLView::getChild<class LLLineEditor>(
+ const std::string& name, bool recurse) const;
+
+//
+// Member functions
+//
+
+LLLineEditor::Params::Params()
+: max_length(""),
+ keystroke_callback("keystroke_callback"),
+ prevalidator("prevalidator"),
+ input_prevalidator("input_prevalidator"),
+ background_image("background_image"),
+ background_image_disabled("background_image_disabled"),
+ background_image_focused("background_image_focused"),
+ bg_image_always_focused("bg_image_always_focused", false),
+ show_label_focused("show_label_focused", false),
+ 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),
+ allow_emoji("allow_emoji", true),
+ cursor_color("cursor_color"),
+ use_bg_color("use_bg_color", false),
+ bg_color("bg_color"),
+ text_color("text_color"),
+ text_readonly_color("text_readonly_color"),
+ text_tentative_color("text_tentative_color"),
+ highlight_color("highlight_color"),
+ preedit_bg_color("preedit_bg_color"),
+ border(""),
+ bg_visible("bg_visible"),
+ text_pad_left("text_pad_left"),
+ text_pad_right("text_pad_right"),
+ default_text("default_text")
+{
+ changeDefault(mouse_opaque, true);
+ addSynonym(prevalidator, "prevalidate_callback");
+ addSynonym(input_prevalidator, "prevalidate_input_callback");
+ addSynonym(select_on_focus, "select_all_on_focus_received");
+ addSynonym(border, "border");
+ addSynonym(label, "watermark_text");
+ addSynonym(max_length.chars, "max_length");
+}
+
+LLLineEditor::LLLineEditor(const LLLineEditor::Params& p)
+: LLUICtrl(p),
+ mMaxLengthBytes(p.max_length.bytes),
+ mMaxLengthChars(p.max_length.chars),
+ mCursorPos( 0 ),
+ mScrollHPos( 0 ),
+ mTextPadLeft(p.text_pad_left),
+ mTextPadRight(p.text_pad_right),
+ mTextLeftEdge(0), // computed in updateTextPadding() below
+ mTextRightEdge(0), // computed in updateTextPadding() below
+ mCommitOnFocusLost( p.commit_on_focus_lost ),
+ mKeystrokeOnEsc(false),
+ mRevertOnEsc( p.revert_on_esc ),
+ mKeystrokeCallback( p.keystroke_callback() ),
+ mIsSelecting( false ),
+ mSelectionStart( 0 ),
+ mSelectionEnd( 0 ),
+ mLastSelectionX(-1),
+ mLastSelectionY(-1),
+ mLastSelectionStart(-1),
+ mLastSelectionEnd(-1),
+ mBorderThickness( 0 ),
+ mIgnoreArrowKeys( false ),
+ mIgnoreTab( p.ignore_tab ),
+ mDrawAsterixes( p.is_password ),
+ mAllowEmoji( p.allow_emoji ),
+ mSpellCheck( p.spellcheck ),
+ mSpellCheckStart(-1),
+ mSpellCheckEnd(-1),
+ mSelectAllonFocusReceived( p.select_on_focus ),
+ mSelectAllonCommit( true ),
+ mPassDelete(false),
+ mReadOnly(false),
+ mBgImage( p.background_image ),
+ mBgImageDisabled( p.background_image_disabled ),
+ mBgImageFocused( p.background_image_focused ),
+ mShowImageFocused( p.bg_image_always_focused ),
+ mShowLabelFocused( p.show_label_focused ),
+ mUseBgColor(p.use_bg_color),
+ mHaveHistory(false),
+ mReplaceNewlinesWithSpaces( true ),
+ mPrevalidator(p.prevalidator()),
+ mInputPrevalidator(p.input_prevalidator()),
+ mLabel(p.label),
+ mCursorColor(p.cursor_color()),
+ mBgColor(p.bg_color()),
+ mFgColor(p.text_color()),
+ mReadOnlyFgColor(p.text_readonly_color()),
+ mTentativeFgColor(p.text_tentative_color()),
+ mHighlightColor(p.highlight_color()),
+ mPreeditBgColor(p.preedit_bg_color()),
+ mGLFont(p.font),
+ mContextMenuHandle(),
+ mShowContextMenu(true)
+{
+ llassert( mMaxLengthBytes > 0 );
+
+ LLUICtrl::setEnabled(true);
+ setEnabled(p.enabled);
+
+ mScrollTimer.reset();
+ mTripleClickTimer.reset();
+ setText(p.default_text());
+
+ if (p.initial_value.isProvided()
+ && !p.control_name.isProvided())
+ {
+ // Initial value often is descriptive, like "Type some ID here"
+ // and can be longer than size limitation, ignore size
+ setText(p.initial_value.getValue().asString(), false);
+ }
+
+ // Initialize current history line iterator
+ mCurrentHistoryLine = mLineHistory.begin();
+
+ LLRect border_rect(getLocalRect());
+ // adjust for gl line drawing glitch
+ border_rect.mTop -= 1;
+ border_rect.mRight -=1;
+ LLViewBorder::Params border_p(p.border);
+ border_p.rect = border_rect;
+ border_p.follows.flags = FOLLOWS_ALL;
+ border_p.bevel_style = LLViewBorder::BEVEL_IN;
+ mBorder = LLUICtrlFactory::create<LLViewBorder>(border_p);
+ addChild( mBorder );
+
+ // clamp text padding to current editor size
+ updateTextPadding();
+ setCursor(mText.length());
+
+ if (mSpellCheck)
+ {
+ LLSpellChecker::setSettingsChangeCallback(boost::bind(&LLLineEditor::onSpellCheckSettingsChange, this));
+ }
+ mSpellCheckTimer.reset();
+
+ updateAllowingLanguageInput();
+}
+
+LLLineEditor::~LLLineEditor()
+{
+ mCommitOnFocusLost = false;
+
+ // Make sure no context menu linger around once the widget is deleted
+ LLContextMenu* menu = static_cast<LLContextMenu*>(mContextMenuHandle.get());
+ if (menu)
+ {
+ menu->hide();
+ }
+ setContextMenu(NULL);
+
+ // calls onCommit() while LLLineEditor still valid
+ gFocusMgr.releaseFocusIfNeeded( this );
+}
+
+void LLLineEditor::initFromParams(const LLLineEditor::Params& params)
+{
+ LLUICtrl::initFromParams(params);
+ LLUICtrl::setEnabled(true);
+ setEnabled(params.enabled);
+}
+
+void LLLineEditor::onFocusReceived()
+{
+ gEditMenuHandler = this;
+ LLUICtrl::onFocusReceived();
+ updateAllowingLanguageInput();
+}
+
+void LLLineEditor::onFocusLost()
+{
+ // The call to updateAllowLanguageInput()
+ // when loosing the keyboard focus *may*
+ // indirectly invoke handleUnicodeCharHere(),
+ // so it must be called before onCommit.
+ updateAllowingLanguageInput();
+
+ if( mCommitOnFocusLost && mText.getString() != mPrevText)
+ {
+ onCommit();
+ }
+
+ if( gEditMenuHandler == this )
+ {
+ gEditMenuHandler = NULL;
+ }
+
+ getWindow()->showCursorFromMouseMove();
+
+ LLUICtrl::onFocusLost();
+}
+
+// virtual
+void LLLineEditor::onCommit()
+{
+ // put current line into the line history
+ updateHistory();
+
+ setControlValue(getValue());
+ LLUICtrl::onCommit();
+ resetDirty();
+
+ // Selection on commit needs to be turned off when evaluating maths
+ // expressions, to allow indication of the error position
+ if (mSelectAllonCommit) selectAll();
+}
+
+// Returns true if user changed value at all
+// virtual
+bool LLLineEditor::isDirty() const
+{
+ return mText.getString() != mPrevText;
+}
+
+// Clear dirty state
+// virtual
+void LLLineEditor::resetDirty()
+{
+ mPrevText = mText.getString();
+}
+
+// assumes UTF8 text
+// virtual
+void LLLineEditor::setValue(const LLSD& value )
+{
+ setText(value.asString());
+}
+
+//virtual
+LLSD LLLineEditor::getValue() const
+{
+ return LLSD(getText());
+}
+
+
+// line history support
+void LLLineEditor::updateHistory()
+{
+ // On history enabled line editors, remember committed line and
+ // reset current history line number.
+ // Be sure only to remember lines that are not empty and that are
+ // different from the last on the list.
+ if( mHaveHistory && getLength() )
+ {
+ if( !mLineHistory.empty() )
+ {
+ // When not empty, last line of history should always be blank.
+ if( mLineHistory.back().empty() )
+ {
+ // discard the empty line
+ mLineHistory.pop_back();
+ }
+ else
+ {
+ LL_WARNS("") << "Last line of history was not blank." << LL_ENDL;
+ }
+ }
+
+ // Add text to history, ignoring duplicates
+ if( mLineHistory.empty() || getText() != mLineHistory.back() )
+ {
+ mLineHistory.push_back( getText() );
+ }
+
+ // Restore the blank line and set mCurrentHistoryLine to point at it
+ mLineHistory.push_back( "" );
+ mCurrentHistoryLine = mLineHistory.end() - 1;
+ }
+}
+
+void LLLineEditor::reshape(S32 width, S32 height, bool called_from_parent)
+{
+ LLUICtrl::reshape(width, height, called_from_parent);
+ updateTextPadding(); // For clamping side-effect.
+ setCursor(mCursorPos); // For clamping side-effect.
+}
+
+void LLLineEditor::setEnabled(bool enabled)
+{
+ mReadOnly = !enabled;
+ setTabStop(!mReadOnly);
+ updateAllowingLanguageInput();
+}
+
+
+void LLLineEditor::setMaxTextLength(S32 max_text_length)
+{
+ S32 max_len = llmax(0, max_text_length);
+ mMaxLengthBytes = max_len;
+}
+
+void LLLineEditor::setMaxTextChars(S32 max_text_chars)
+{
+ S32 max_chars = llmax(0, max_text_chars);
+ mMaxLengthChars = max_chars;
+}
+
+void LLLineEditor::getTextPadding(S32 *left, S32 *right)
+{
+ *left = mTextPadLeft;
+ *right = mTextPadRight;
+}
+
+void LLLineEditor::setTextPadding(S32 left, S32 right)
+{
+ mTextPadLeft = left;
+ mTextPadRight = right;
+ updateTextPadding();
+}
+
+void LLLineEditor::updateTextPadding()
+{
+ mTextLeftEdge = llclamp(mTextPadLeft, 0, getRect().getWidth());
+ mTextRightEdge = getRect().getWidth() - llclamp(mTextPadRight, 0, getRect().getWidth());
+}
+
+
+void LLLineEditor::setText(const LLStringExplicit &new_text)
+{
+ setText(new_text, true);
+}
+
+void LLLineEditor::setText(const LLStringExplicit &new_text, bool use_size_limit)
+{
+ // If new text is identical, don't copy and don't move insertion point
+ if (mText.getString() == new_text)
+ {
+ return;
+ }
+
+ // Check to see if entire field is selected.
+ S32 len = mText.length();
+ bool all_selected = (len > 0)
+ && (( mSelectionStart == 0 && mSelectionEnd == len )
+ || ( mSelectionStart == len && mSelectionEnd == 0 ));
+
+ // Do safe truncation so we don't split multi-byte characters
+ // also consider entire string selected when mSelectAllonFocusReceived is set on an empty, focused line editor
+ all_selected = all_selected || (len == 0 && hasFocus() && mSelectAllonFocusReceived);
+
+ std::string truncated_utf8 = new_text;
+ if (!mAllowEmoji)
+ {
+ // Cut emoji symbols if exist
+ utf8str_remove_emojis(truncated_utf8);
+ }
+ if (use_size_limit && truncated_utf8.size() > (U32)mMaxLengthBytes)
+ {
+ truncated_utf8 = utf8str_truncate(new_text, mMaxLengthBytes);
+ }
+ mText.assign(truncated_utf8);
+
+ if (use_size_limit && mMaxLengthChars)
+ {
+ mText.assign(utf8str_symbol_truncate(truncated_utf8, mMaxLengthChars));
+ }
+
+ if (all_selected)
+ {
+ // ...keep whole thing selected
+ selectAll();
+ }
+ else
+ {
+ // try to preserve insertion point, but deselect text
+ deselect();
+ }
+ setCursor(llmin((S32)mText.length(), getCursor()));
+
+ // Set current history line to end of history.
+ if (mLineHistory.empty())
+ {
+ mCurrentHistoryLine = mLineHistory.end();
+ }
+ else
+ {
+ mCurrentHistoryLine = mLineHistory.end() - 1;
+ }
+
+ mPrevText = mText;
+}
+
+
+// Picks a new cursor position based on the actual screen size of text being drawn.
+void LLLineEditor::setCursorAtLocalPos( S32 local_mouse_x )
+{
+ S32 cursor_pos = calcCursorPos(local_mouse_x);
+
+ S32 left_pos = llmin( mSelectionStart, cursor_pos );
+ S32 length = llabs( mSelectionStart - cursor_pos );
+ const LLWString& substr = mText.getWString().substr(left_pos, length);
+
+ if (mIsSelecting && !prevalidateInput(substr))
+ return;
+
+ setCursor(cursor_pos);
+}
+
+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)));
+ // 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));
+ }
+ else
+ {
+ mScrollHPos = min_scroll;
+ }
+ }
+ else if (getCursor() < mScrollHPos)
+ {
+ if (old_cursor_pos == mScrollHPos)
+ {
+ mScrollHPos = llmax(0, llmin(getCursor(), mScrollHPos - SCROLL_INCREMENT_DEL));
+ }
+ else
+ {
+ mScrollHPos = getCursor();
+ }
+ }
+}
+
+
+void LLLineEditor::setCursorToEnd()
+{
+ setCursor(mText.length());
+ deselect();
+}
+
+void LLLineEditor::resetScrollPosition()
+{
+ mScrollHPos = 0;
+ // make sure cursor says in visible range
+ setCursor(getCursor());
+}
+
+bool LLLineEditor::canDeselect() const
+{
+ return hasSelection();
+}
+
+void LLLineEditor::deselect()
+{
+ mSelectionStart = 0;
+ mSelectionEnd = 0;
+ mIsSelecting = false;
+}
+
+
+void LLLineEditor::startSelection()
+{
+ mIsSelecting = true;
+ mSelectionStart = getCursor();
+ mSelectionEnd = getCursor();
+}
+
+void LLLineEditor::endSelection()
+{
+ if( mIsSelecting )
+ {
+ mIsSelecting = false;
+ mSelectionEnd = getCursor();
+ }
+}
+
+bool LLLineEditor::canSelectAll() const
+{
+ return true;
+}
+
+void LLLineEditor::selectAll()
+{
+ if (!prevalidateInput(mText.getWString()))
+ {
+ return;
+ }
+
+ mSelectionStart = mText.length();
+ mSelectionEnd = 0;
+ setCursor(mSelectionEnd);
+ //mScrollHPos = 0;
+ mIsSelecting = true;
+ 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) )
+ {
+ LLWString suggestion = utf8str_to_wstring(mSuggestionList[index]);
+ if (!mAllowEmoji)
+ {
+ // Cut emoji symbols if exist
+ wstring_remove_emojis(suggestion);
+ }
+ if (suggestion.empty())
+ return;
+
+ deselect();
+
+ // Delete the misspelled word
+ mText.erase(it->first, it->second - it->first);
+
+ // Insert the suggestion in its place
+ 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)
+{
+ setFocus( true );
+ mTripleClickTimer.setTimerExpirySec(TRIPLE_CLICK_INTERVAL);
+
+ if (mSelectionEnd == 0 && mSelectionStart == mText.length())
+ {
+ // if everything is selected, handle this as a normal click to change insertion point
+ handleMouseDown(x, y, mask);
+ }
+ else
+ {
+ const LLWString& wtext = mText.getWString();
+
+ bool doSelectAll = true;
+
+ // Select the word we're on
+ if( LLWStringUtil::isPartOfWord( wtext[mCursorPos] ) )
+ {
+ S32 old_selection_start = mLastSelectionStart;
+ S32 old_selection_end = mLastSelectionEnd;
+
+ // Select word the cursor is over
+ while ((mCursorPos > 0) && LLWStringUtil::isPartOfWord( wtext[mCursorPos-1] ))
+ { // Find the start of the word
+ mCursorPos--;
+ }
+ startSelection();
+
+ while ((mCursorPos < (S32)wtext.length()) && LLWStringUtil::isPartOfWord( wtext[mCursorPos] ) )
+ { // Find the end of the word
+ mCursorPos++;
+ }
+ mSelectionEnd = mCursorPos;
+
+ // If nothing changed, then the word was already selected. Select the whole line.
+ doSelectAll = (old_selection_start == mSelectionStart) &&
+ (old_selection_end == mSelectionEnd);
+ }
+
+ if ( doSelectAll )
+ { // Select everything
+ selectAll();
+ }
+ }
+
+ // We don't want handleMouseUp() to "finish" the selection (and thereby
+ // set mSelectionEnd to where the mouse is), so we finish the selection
+ // here.
+ mIsSelecting = false;
+
+ // delay cursor flashing
+ mKeystrokeTimer.reset();
+
+ // take selection to 'primary' clipboard
+ updatePrimary();
+
+ return true;
+}
+
+bool LLLineEditor::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+ // Check first whether the "clear search" button wants to deal with this.
+ if(childrenHandleMouseDown(x, y, mask) != NULL)
+ {
+ return true;
+ }
+
+ if (!mSelectAllonFocusReceived
+ || gFocusMgr.getKeyboardFocus() == this)
+ {
+ mLastSelectionStart = -1;
+ mLastSelectionStart = -1;
+
+ if (mask & MASK_SHIFT)
+ {
+ // assume we're starting a drag select
+ mIsSelecting = true;
+
+ // Handle selection extension
+ S32 old_cursor_pos = getCursor();
+ setCursorAtLocalPos(x);
+
+ if (hasSelection())
+ {
+ /* Mac-like behavior - extend selection towards the cursor
+ if (getCursor() < mSelectionStart
+ && getCursor() < mSelectionEnd)
+ {
+ // ...left of selection
+ mSelectionStart = llmax(mSelectionStart, mSelectionEnd);
+ mSelectionEnd = getCursor();
+ }
+ else if (getCursor() > mSelectionStart
+ && getCursor() > mSelectionEnd)
+ {
+ // ...right of selection
+ mSelectionStart = llmin(mSelectionStart, mSelectionEnd);
+ mSelectionEnd = getCursor();
+ }
+ else
+ {
+ mSelectionEnd = getCursor();
+ }
+ */
+ // Windows behavior
+ mSelectionEnd = getCursor();
+ }
+ else
+ {
+ mSelectionStart = old_cursor_pos;
+ mSelectionEnd = getCursor();
+ }
+ }
+ else
+ {
+ if (mTripleClickTimer.hasExpired())
+ {
+ // Save selection for word/line selecting on double-click
+ mLastSelectionStart = mSelectionStart;
+ mLastSelectionEnd = mSelectionEnd;
+
+ // Move cursor and deselect for regular click
+ setCursorAtLocalPos( x );
+ deselect();
+ startSelection();
+ }
+ else // handle triple click
+ {
+ selectAll();
+ // We don't want handleMouseUp() to "finish" the selection (and thereby
+ // set mSelectionEnd to where the mouse is), so we finish the selection
+ // here.
+ mIsSelecting = false;
+ }
+ }
+
+ gFocusMgr.setMouseCapture( this );
+ }
+
+ setFocus(true);
+
+ // delay cursor flashing
+ mKeystrokeTimer.reset();
+
+ if (mMouseDownSignal)
+ (*mMouseDownSignal)(this,x,y,mask);
+
+ return true;
+}
+
+bool LLLineEditor::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
+{
+ // LL_INFOS() << "MiddleMouseDown" << LL_ENDL;
+ setFocus( true );
+ if( canPastePrimary() )
+ {
+ setCursorAtLocalPos(x);
+ pastePrimary();
+ }
+ return true;
+}
+
+bool LLLineEditor::handleRightMouseDown(S32 x, S32 y, MASK mask)
+{
+ setFocus(true);
+ if (!LLUICtrl::handleRightMouseDown(x, y, mask) && getShowContextMenu())
+ {
+ showContextMenu(x, y);
+ }
+ return true;
+}
+
+bool LLLineEditor::handleHover(S32 x, S32 y, MASK mask)
+{
+ bool handled = false;
+ // Check first whether the "clear search" button wants to deal with this.
+ if(!hasMouseCapture())
+ {
+ if(childrenHandleHover(x, y, mask) != NULL)
+ {
+ return true;
+ }
+ }
+
+ if( (hasMouseCapture()) && mIsSelecting )
+ {
+ if (x != mLastSelectionX || y != mLastSelectionY)
+ {
+ mLastSelectionX = x;
+ mLastSelectionY = y;
+ }
+ // Scroll if mouse cursor outside of bounds
+ if (mScrollTimer.hasExpired())
+ {
+ S32 increment = ll_round(mScrollTimer.getElapsedTimeF32() / AUTO_SCROLL_TIME);
+ mScrollTimer.reset();
+ mScrollTimer.setTimerExpirySec(AUTO_SCROLL_TIME);
+ if( (x < mTextLeftEdge) && (mScrollHPos > 0 ) )
+ {
+ // Scroll to the left
+ mScrollHPos = llclamp(mScrollHPos - increment, 0, mText.length());
+ }
+ else
+ if( (x > mTextRightEdge) && (mCursorPos < (S32)mText.length()) )
+ {
+ // If scrolling one pixel would make a difference...
+ S32 pixels_after_scrolling_one_char = findPixelNearestPos(1);
+ if( pixels_after_scrolling_one_char >= mTextRightEdge )
+ {
+ // ...scroll to the right
+ mScrollHPos = llclamp(mScrollHPos + increment, 0, mText.length());
+ }
+ }
+ }
+
+ setCursorAtLocalPos( x );
+ mSelectionEnd = getCursor();
+
+ // delay cursor flashing
+ mKeystrokeTimer.reset();
+
+ getWindow()->setCursor(UI_CURSOR_IBEAM);
+ LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (active)" << LL_ENDL;
+ handled = true;
+ }
+
+ if( !handled )
+ {
+ getWindow()->setCursor(UI_CURSOR_IBEAM);
+ LL_DEBUGS("UserInput") << "hover handled by " << getName() << " (inactive)" << LL_ENDL;
+ handled = true;
+ }
+
+ return handled;
+}
+
+
+bool LLLineEditor::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+ bool handled = false;
+
+ if( hasMouseCapture() )
+ {
+ gFocusMgr.setMouseCapture( NULL );
+ handled = true;
+ }
+
+ // Check first whether the "clear search" button wants to deal with this.
+ if(!handled && childrenHandleMouseUp(x, y, mask) != NULL)
+ {
+ return true;
+ }
+
+ if( mIsSelecting )
+ {
+ setCursorAtLocalPos( x );
+ mSelectionEnd = getCursor();
+
+ handled = true;
+ }
+
+ if( handled )
+ {
+ // delay cursor flashing
+ mKeystrokeTimer.reset();
+
+ // take selection to 'primary' clipboard
+ updatePrimary();
+ }
+
+ // We won't call LLUICtrl::handleMouseUp to avoid double calls of childrenHandleMouseUp().Just invoke the signal manually.
+ if (mMouseUpSignal)
+ (*mMouseUpSignal)(this,x,y, mask);
+ return handled;
+}
+
+
+// Remove a single character from the text
+void LLLineEditor::removeChar()
+{
+ if( getCursor() > 0 )
+ {
+ if (!prevalidateInput(mText.getWString().substr(getCursor()-1, 1)))
+ return;
+
+ mText.erase(getCursor() - 1, 1);
+
+ setCursor(getCursor() - 1);
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+}
+
+void LLLineEditor::addChar(const llwchar uni_char)
+{
+ if (!mAllowEmoji && LLStringOps::isEmoji(uni_char))
+ return;
+
+ llwchar new_c = uni_char;
+ if (hasSelection())
+ {
+ deleteSelection();
+ }
+ else if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode())
+ {
+ if (!prevalidateInput(mText.getWString().substr(getCursor(), 1)))
+ return;
+
+ mText.erase(getCursor(), 1);
+ }
+
+ S32 cur_bytes = mText.getString().size();
+
+ S32 new_bytes = wchar_utf8_length(new_c);
+
+ bool allow_char = true;
+
+ // Check byte length limit
+ if ((new_bytes + cur_bytes) > mMaxLengthBytes)
+ {
+ allow_char = false;
+ }
+ else if (mMaxLengthChars)
+ {
+ S32 wide_chars = mText.getWString().size();
+ if ((wide_chars + 1) > mMaxLengthChars)
+ {
+ allow_char = false;
+ }
+ }
+
+ if (allow_char)
+ {
+ // Will we need to scroll?
+ LLWString w_buf;
+ w_buf.assign(1, new_c);
+
+ mText.insert(getCursor(), w_buf);
+ setCursor(getCursor() + 1);
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+
+ getWindow()->hideCursorUntilMouseMove();
+}
+
+// Extends the selection box to the new cursor position
+void LLLineEditor::extendSelection( S32 new_cursor_pos )
+{
+ if( !mIsSelecting )
+ {
+ startSelection();
+ }
+
+ S32 left_pos = llmin( mSelectionStart, new_cursor_pos );
+ S32 selection_length = llabs( mSelectionStart - new_cursor_pos );
+ const LLWString& selection = mText.getWString().substr(left_pos, selection_length);
+
+ if (!prevalidateInput(selection))
+ return;
+
+ setCursor(new_cursor_pos);
+ mSelectionEnd = getCursor();
+}
+
+
+void LLLineEditor::setSelection(S32 start, S32 end)
+{
+ S32 len = mText.length();
+
+ mIsSelecting = true;
+
+ // JC, yes, this seems odd, but I think you have to presume a
+ // selection dragged from the end towards the start.
+ mSelectionStart = llclamp(end, 0, len);
+ mSelectionEnd = llclamp(start, 0, len);
+ setCursor(start);
+}
+
+void LLLineEditor::setDrawAsterixes(bool b)
+{
+ mDrawAsterixes = b;
+ updateAllowingLanguageInput();
+}
+
+S32 LLLineEditor::prevWordPos(S32 cursorPos) const
+{
+ const LLWString& wtext = mText.getWString();
+ while( (cursorPos > 0) && (wtext[cursorPos-1] == ' ') )
+ {
+ cursorPos--;
+ }
+ while( (cursorPos > 0) && LLWStringUtil::isPartOfWord( wtext[cursorPos-1] ) )
+ {
+ cursorPos--;
+ }
+ return cursorPos;
+}
+
+S32 LLLineEditor::nextWordPos(S32 cursorPos) const
+{
+ const LLWString& wtext = mText.getWString();
+ while( (cursorPos < getLength()) && LLWStringUtil::isPartOfWord( wtext[cursorPos] ) )
+ {
+ cursorPos++;
+ }
+ while( (cursorPos < getLength()) && (wtext[cursorPos] == ' ') )
+ {
+ cursorPos++;
+ }
+ return cursorPos;
+}
+
+
+bool LLLineEditor::handleSelectionKey(KEY key, MASK mask)
+{
+ bool handled = false;
+
+ if( mask & MASK_SHIFT )
+ {
+ handled = true;
+
+ switch( key )
+ {
+ case KEY_LEFT:
+ if( 0 < getCursor() )
+ {
+ S32 cursorPos = getCursor() - 1;
+ if( mask & MASK_CONTROL )
+ {
+ cursorPos = prevWordPos(cursorPos);
+ }
+ extendSelection( cursorPos );
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+ break;
+
+ case KEY_RIGHT:
+ if( getCursor() < mText.length())
+ {
+ S32 cursorPos = getCursor() + 1;
+ if( mask & MASK_CONTROL )
+ {
+ cursorPos = nextWordPos(cursorPos);
+ }
+ extendSelection( cursorPos );
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+ break;
+
+ case KEY_PAGE_UP:
+ case KEY_HOME:
+ extendSelection( 0 );
+ break;
+
+ case KEY_PAGE_DOWN:
+ case KEY_END:
+ {
+ S32 len = mText.length();
+ if( len )
+ {
+ extendSelection( len );
+ }
+ break;
+ }
+
+ default:
+ handled = false;
+ break;
+ }
+ }
+
+ if(handled)
+ {
+ // take selection to 'primary' clipboard
+ updatePrimary();
+ }
+
+ return handled;
+}
+
+void LLLineEditor::deleteSelection()
+{
+ if( !mReadOnly && hasSelection() )
+ {
+ S32 left_pos, selection_length;
+ getSelectionRange(&left_pos, &selection_length);
+ const LLWString& selection = mText.getWString().substr(left_pos, selection_length);
+
+ if (!prevalidateInput(selection))
+ return;
+
+ mText.erase(left_pos, selection_length);
+ deselect();
+ setCursor(left_pos);
+ }
+}
+
+bool LLLineEditor::canCut() const
+{
+ return !mReadOnly && !mDrawAsterixes && hasSelection();
+}
+
+// cut selection to clipboard
+void LLLineEditor::cut()
+{
+ if( canCut() )
+ {
+ S32 left_pos, length;
+ getSelectionRange(&left_pos, &length);
+ const LLWString& selection = mText.getWString().substr(left_pos, length);
+
+ if (!prevalidateInput(selection))
+ return;
+
+ // Prepare for possible rollback
+ LLLineEditorRollback rollback( this );
+
+ LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length );
+ deleteSelection();
+
+ // Validate new string and rollback the if needed.
+ bool need_to_rollback = mPrevalidator && !mPrevalidator.validate(mText.getWString());
+ if (need_to_rollback)
+ {
+ rollback.doRollback( this );
+ LLUI::getInstance()->reportBadKeystroke();
+ mPrevalidator.showLastErrorUsingTimeout();
+ }
+ else
+ {
+ onKeystroke();
+ }
+ }
+}
+
+bool LLLineEditor::canCopy() const
+{
+ return !mDrawAsterixes && hasSelection();
+}
+
+
+// copy selection to clipboard
+void LLLineEditor::copy()
+{
+ if( canCopy() )
+ {
+ S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
+ S32 length = llabs( mSelectionStart - mSelectionEnd );
+ LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length );
+ }
+}
+
+bool LLLineEditor::canPaste() const
+{
+ return !mReadOnly && LLClipboard::instance().isTextAvailable();
+}
+
+void LLLineEditor::paste()
+{
+ bool is_primary = false;
+ pasteHelper(is_primary);
+}
+
+void LLLineEditor::pastePrimary()
+{
+ bool is_primary = true;
+ pasteHelper(is_primary);
+}
+
+// paste from primary (is_primary==true) or clipboard (is_primary==false)
+void LLLineEditor::pasteHelper(bool is_primary)
+{
+ bool can_paste_it;
+ if (is_primary)
+ {
+ can_paste_it = canPastePrimary();
+ }
+ else
+ {
+ can_paste_it = canPaste();
+ }
+
+ if (can_paste_it)
+ {
+ LLWString paste;
+ LLClipboard::instance().pasteFromClipboard(paste, is_primary);
+
+ if (!paste.empty())
+ {
+ if (!mAllowEmoji)
+ {
+ wstring_remove_emojis(paste);
+ }
+
+ if (!prevalidateInput(paste))
+ return;
+
+ // Prepare for possible rollback
+ LLLineEditorRollback rollback(this);
+
+ // Delete any selected characters
+ if ((!is_primary) && hasSelection())
+ {
+ deleteSelection();
+ }
+
+ // Clean up string (replace tabs and returns and remove characters that our fonts don't support.)
+ LLWString clean_string(paste);
+ LLWStringUtil::replaceTabsWithSpaces(clean_string, 1);
+ //clean_string = wstring_detabify(paste, 1);
+ LLWStringUtil::replaceChar(clean_string, '\n', mReplaceNewlinesWithSpaces ? ' ' : 182); // 182 == paragraph character
+
+ // Insert the string
+
+ // Check to see that the size isn't going to be larger than the max number of bytes
+ U32 available_bytes = mMaxLengthBytes - wstring_utf8_length(mText);
+
+ if ( available_bytes < (U32) wstring_utf8_length(clean_string) )
+ { // Doesn't all fit
+ llwchar current_symbol = clean_string[0];
+ U32 wchars_that_fit = 0;
+ U32 total_bytes = wchar_utf8_length(current_symbol);
+
+ //loop over the "wide" characters (symbols)
+ //and check to see how large (in bytes) each symbol is.
+ while ( total_bytes <= available_bytes )
+ {
+ //while we still have available bytes
+ //"accept" the current symbol and check the size
+ //of the next one
+ current_symbol = clean_string[++wchars_that_fit];
+ total_bytes += wchar_utf8_length(current_symbol);
+ }
+ // Truncate the clean string at the limit of what will fit
+ clean_string = clean_string.substr(0, wchars_that_fit);
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+
+ if (mMaxLengthChars)
+ {
+ U32 available_chars = mMaxLengthChars - mText.getWString().size();
+
+ if (available_chars < clean_string.size())
+ {
+ clean_string = clean_string.substr(0, available_chars);
+ }
+
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+
+ mText.insert(getCursor(), clean_string);
+ setCursor( getCursor() + (S32)clean_string.length() );
+ deselect();
+
+ // Validate new string and rollback the if needed.
+ bool need_to_rollback = mPrevalidator && !mPrevalidator.validate(mText.getWString());
+ if (need_to_rollback)
+ {
+ rollback.doRollback( this );
+ LLUI::getInstance()->reportBadKeystroke();
+ mPrevalidator.showLastErrorUsingTimeout();
+ }
+ else
+ {
+ onKeystroke();
+ }
+ }
+ }
+}
+
+// copy selection to primary
+void LLLineEditor::copyPrimary()
+{
+ if( canCopy() )
+ {
+ S32 left_pos = llmin( mSelectionStart, mSelectionEnd );
+ S32 length = llabs( mSelectionStart - mSelectionEnd );
+ LLClipboard::instance().copyToClipboard( mText.getWString(), left_pos, length, true);
+ }
+}
+
+bool LLLineEditor::canPastePrimary() const
+{
+ return !mReadOnly && LLClipboard::instance().isTextAvailable(true);
+}
+
+void LLLineEditor::updatePrimary()
+{
+ if(canCopy() )
+ {
+ copyPrimary();
+ }
+}
+
+bool LLLineEditor::handleSpecialKey(KEY key, MASK mask)
+{
+ bool handled = false;
+
+ switch( key )
+ {
+ case KEY_INSERT:
+ if (mask == MASK_NONE)
+ {
+ gKeyboard->toggleInsertMode();
+ }
+
+ handled = true;
+ break;
+
+ case KEY_BACKSPACE:
+ if (!mReadOnly)
+ {
+ //LL_INFOS() << "Handling backspace" << LL_ENDL;
+ if( hasSelection() )
+ {
+ deleteSelection();
+ }
+ else
+ if( 0 < getCursor() )
+ {
+ removeChar();
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+ }
+ handled = true;
+ break;
+
+ case KEY_PAGE_UP:
+ case KEY_HOME:
+ if (!mIgnoreArrowKeys)
+ {
+ setCursor(0);
+ handled = true;
+ }
+ break;
+
+ case KEY_PAGE_DOWN:
+ case KEY_END:
+ if (!mIgnoreArrowKeys)
+ {
+ S32 len = mText.length();
+ if( len )
+ {
+ setCursor(len);
+ }
+ handled = true;
+ }
+ break;
+
+ case KEY_LEFT:
+ if (mIgnoreArrowKeys && mask == MASK_NONE)
+ break;
+ if ((mask & MASK_ALT) == 0)
+ {
+ if( hasSelection() )
+ {
+ setCursor(llmin( getCursor() - 1, mSelectionStart, mSelectionEnd ));
+ }
+ else
+ if( 0 < getCursor() )
+ {
+ S32 cursorPos = getCursor() - 1;
+ if( mask & MASK_CONTROL )
+ {
+ cursorPos = prevWordPos(cursorPos);
+ }
+ setCursor(cursorPos);
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+ handled = true;
+ }
+ break;
+
+ case KEY_RIGHT:
+ if (mIgnoreArrowKeys && mask == MASK_NONE)
+ break;
+ if ((mask & MASK_ALT) == 0)
+ {
+ if (hasSelection())
+ {
+ setCursor(llmax(getCursor() + 1, mSelectionStart, mSelectionEnd));
+ }
+ else
+ if (getCursor() < mText.length())
+ {
+ S32 cursorPos = getCursor() + 1;
+ if( mask & MASK_CONTROL )
+ {
+ cursorPos = nextWordPos(cursorPos);
+ }
+ setCursor(cursorPos);
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+ handled = true;
+ }
+ break;
+
+ // handle ctrl-uparrow if we have a history enabled line editor.
+ case KEY_UP:
+ if (mHaveHistory && (!mIgnoreArrowKeys || (MASK_CONTROL == mask)))
+ {
+ if (mCurrentHistoryLine > mLineHistory.begin())
+ {
+ mText.assign(*(--mCurrentHistoryLine));
+ setCursorToEnd();
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+ handled = true;
+ }
+ break;
+
+ // handle [ctrl]-downarrow if we have a history enabled line editor
+ case KEY_DOWN:
+ if (mHaveHistory && (!mIgnoreArrowKeys || (MASK_CONTROL == mask)))
+ {
+ if (!mLineHistory.empty() && mCurrentHistoryLine < mLineHistory.end() - 1)
+ {
+ mText.assign( *(++mCurrentHistoryLine) );
+ setCursorToEnd();
+ }
+ else
+ {
+ LLUI::getInstance()->reportBadKeystroke();
+ }
+ handled = true;
+ }
+ break;
+
+ case KEY_RETURN:
+ // store sent line in history
+ updateHistory();
+ break;
+
+ case KEY_ESCAPE:
+ if (mRevertOnEsc && mText.getString() != mPrevText)
+ {
+ setText(mPrevText);
+ // Note, don't set handled, still want to loose focus (won't commit becase text is now unchanged)
+ if (mKeystrokeOnEsc)
+ {
+ onKeystroke();
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ return handled;
+}
+
+
+bool LLLineEditor::handleKeyHere(KEY key, MASK mask )
+{
+ bool handled = false;
+ bool selection_modified = false;
+
+ if ( gFocusMgr.getKeyboardFocus() == this )
+ {
+ LLLineEditorRollback rollback( this );
+
+ if( !handled )
+ {
+ handled = handleSelectionKey( key, mask );
+ selection_modified = handled;
+ }
+
+ // Handle most keys only if the text editor is writeable.
+ if ( !mReadOnly )
+ {
+ if( !handled )
+ {
+ handled = handleSpecialKey( key, mask );
+ }
+ }
+
+ if( handled )
+ {
+ mKeystrokeTimer.reset();
+
+ // Most keystrokes will make the selection box go away, but not all will.
+ if( !selection_modified &&
+ KEY_SHIFT != key &&
+ KEY_CONTROL != key &&
+ KEY_ALT != key &&
+ KEY_CAPSLOCK != key)
+ {
+ deselect();
+ }
+
+ bool prevalidator_failed = false;
+
+ // If read-only, don't allow changes
+ bool need_to_rollback = mReadOnly && (mText.getString() == rollback.getText());
+
+ // Validate new string and rollback the keystroke if needed.
+ if (!need_to_rollback && mPrevalidator)
+ {
+ prevalidator_failed = !mPrevalidator.validate(mText.getWString());
+ need_to_rollback |= prevalidator_failed;
+ }
+
+ if (need_to_rollback)
+ {
+ rollback.doRollback(this);
+
+ LLUI::getInstance()->reportBadKeystroke();
+ if (prevalidator_failed)
+ {
+ mPrevalidator.showLastErrorUsingTimeout();
+ }
+ }
+
+ // Notify owner if requested
+ if (!need_to_rollback && handled)
+ {
+ onKeystroke();
+ if ( (!selection_modified) && (KEY_BACKSPACE == key) )
+ {
+ mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY);
+ }
+ }
+ }
+ }
+
+ return handled;
+}
+
+
+bool LLLineEditor::handleUnicodeCharHere(llwchar uni_char)
+{
+ if ((uni_char < 0x20) || (uni_char == 0x7F)) // Control character or DEL
+ {
+ return false;
+ }
+
+ bool handled = false;
+
+ if ( (gFocusMgr.getKeyboardFocus() == this) && getVisible() && !mReadOnly)
+ {
+ handled = true;
+
+ LLLineEditorRollback rollback( this );
+
+ {
+ LLWString u_char;
+ u_char.assign(1, uni_char);
+ if (!prevalidateInput(u_char))
+ return handled;
+ }
+
+ addChar(uni_char);
+
+ mKeystrokeTimer.reset();
+
+ deselect();
+
+ // Validate new string and rollback the keystroke if needed.
+ bool need_to_rollback = mPrevalidator && !mPrevalidator.validate(mText.getWString());
+ if (need_to_rollback)
+ {
+ rollback.doRollback( this );
+
+ LLUI::getInstance()->reportBadKeystroke();
+ mPrevalidator.showLastErrorUsingTimeout();
+ }
+
+ // Notify owner if requested
+ if (!need_to_rollback && handled)
+ {
+ // 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;
+}
+
+
+bool LLLineEditor::canDoDelete() const
+{
+ return ( !mReadOnly && (!mPassDelete || (hasSelection() || (getCursor() < mText.length()))) );
+}
+
+void LLLineEditor::doDelete()
+{
+ if (canDoDelete() && mText.length() > 0)
+ {
+ // Prepare for possible rollback
+ LLLineEditorRollback rollback( this );
+
+ if (hasSelection())
+ {
+ deleteSelection();
+ }
+ else if ( getCursor() < mText.length())
+ {
+ const LLWString& text_to_delete = mText.getWString().substr(getCursor(), 1);
+
+ if (!prevalidateInput(text_to_delete))
+ {
+ onKeystroke();
+ return;
+ }
+ setCursor(getCursor() + 1);
+ removeChar();
+ }
+
+ // Validate new string and rollback the if needed.
+ bool need_to_rollback = mPrevalidator && !mPrevalidator.validate(mText.getWString());
+ if (need_to_rollback)
+ {
+ rollback.doRollback(this);
+ LLUI::getInstance()->reportBadKeystroke();
+ mPrevalidator.showLastErrorUsingTimeout();
+ }
+ else
+ {
+ onKeystroke();
+
+ mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY);
+ }
+ }
+}
+
+
+void LLLineEditor::drawBackground()
+{
+ F32 alpha = getCurrentTransparency();
+ if (mUseBgColor)
+ {
+ gl_rect_2d(getLocalRect(), mBgColor % alpha, true);
+ }
+ else
+ {
+ bool has_focus = hasFocus();
+ LLUIImage* image;
+ if (mReadOnly)
+ {
+ image = mBgImageDisabled;
+ }
+ else if (has_focus || mShowImageFocused)
+ {
+ image = mBgImageFocused;
+ }
+ else
+ {
+ image = mBgImage;
+ }
+
+ if (!image) return;
+ // optionally draw programmatic border
+ if (has_focus)
+ {
+ LLColor4 tmp_color = gFocusMgr.getFocusColor();
+ tmp_color.setAlpha(alpha);
+ image->drawBorder(0, 0, getRect().getWidth(), getRect().getHeight(),
+ tmp_color,
+ gFocusMgr.getFocusFlashWidth());
+ }
+ LLColor4 tmp_color = UI_VERTEX_COLOR;
+ tmp_color.setAlpha(alpha);
+ image->draw(getLocalRect(), tmp_color);
+ }
+}
+
+//virtual
+void LLLineEditor::draw()
+{
+ F32 alpha = getDrawContext().mAlpha;
+ S32 text_len = mText.length();
+ static LLUICachedControl<S32> lineeditor_cursor_thickness ("UILineEditorCursorThickness", 0);
+ static LLUICachedControl<F32> preedit_marker_brightness ("UIPreeditMarkerBrightness", 0);
+ static LLUICachedControl<S32> preedit_marker_gap ("UIPreeditMarkerGap", 0);
+ static LLUICachedControl<S32> preedit_marker_position ("UIPreeditMarkerPosition", 0);
+ static LLUICachedControl<S32> preedit_marker_thickness ("UIPreeditMarkerThickness", 0);
+ static LLUICachedControl<F32> preedit_standout_brightness ("UIPreeditStandoutBrightness", 0);
+ static LLUICachedControl<S32> preedit_standout_gap ("UIPreeditStandoutGap", 0);
+ static LLUICachedControl<S32> preedit_standout_position ("UIPreeditStandoutPosition", 0);
+ static LLUICachedControl<S32> preedit_standout_thickness ("UIPreeditStandoutThickness", 0);
+
+ std::string saved_text;
+ if (mDrawAsterixes)
+ {
+ saved_text = mText.getString();
+ std::string text;
+ for (S32 i = 0; i < mText.length(); i++)
+ {
+ text += PASSWORD_ASTERISK;
+ }
+ mText = text;
+ }
+
+ // draw rectangle for the background
+ LLRect background( 0, getRect().getHeight(), getRect().getWidth(), 0 );
+ background.stretch( -mBorderThickness );
+
+ S32 lineeditor_v_pad = (background.getHeight() - mGLFont->getLineHeight()) / 2;
+ if (mSpellCheck)
+ {
+ lineeditor_v_pad += 1;
+ }
+
+ drawBackground();
+
+ // draw text
+
+ // With viewer-2 art files, input region is 2 pixels up
+ S32 cursor_bottom = background.mBottom + 2;
+ S32 cursor_top = background.mTop - 1;
+
+ LLColor4 text_color;
+ if (!mReadOnly)
+ {
+ if (!getTentative())
+ {
+ text_color = mFgColor.get();
+ }
+ else
+ {
+ text_color = mTentativeFgColor.get();
+ }
+ }
+ else
+ {
+ text_color = mReadOnlyFgColor.get();
+ }
+ text_color.setAlpha(alpha);
+ LLColor4 label_color = mTentativeFgColor.get();
+ label_color.setAlpha(alpha);
+
+ if (hasPreeditString())
+ {
+ // Draw preedit markers. This needs to be before drawing letters.
+ for (U32 i = 0; i < mPreeditStandouts.size(); i++)
+ {
+ const S32 preedit_left = mPreeditPositions[i];
+ const S32 preedit_right = mPreeditPositions[i + 1];
+ if (preedit_right > mScrollHPos)
+ {
+ S32 preedit_pixels_left = findPixelNearestPos(llmax(preedit_left, mScrollHPos) - getCursor());
+ S32 preedit_pixels_right = llmin(findPixelNearestPos(preedit_right - getCursor()), background.mRight);
+ if (preedit_pixels_left >= background.mRight)
+ {
+ break;
+ }
+ if (mPreeditStandouts[i])
+ {
+ gl_rect_2d(preedit_pixels_left + preedit_standout_gap,
+ background.mBottom + preedit_standout_position,
+ preedit_pixels_right - preedit_standout_gap - 1,
+ background.mBottom + preedit_standout_position - preedit_standout_thickness,
+ (text_color * preedit_standout_brightness
+ + mPreeditBgColor * (1 - preedit_standout_brightness)).setAlpha(alpha/*1.0f*/));
+ }
+ else
+ {
+ gl_rect_2d(preedit_pixels_left + preedit_marker_gap,
+ background.mBottom + preedit_marker_position,
+ preedit_pixels_right - preedit_marker_gap - 1,
+ background.mBottom + preedit_marker_position - preedit_marker_thickness,
+ (text_color * preedit_marker_brightness
+ + mPreeditBgColor * (1 - preedit_marker_brightness)).setAlpha(alpha/*1.0f*/));
+ }
+ }
+ }
+ }
+
+ S32 rendered_text = 0;
+ F32 rendered_pixels_right = (F32)mTextLeftEdge;
+ F32 text_bottom = (F32)background.mBottom + (F32)lineeditor_v_pad;
+
+ if( (gFocusMgr.getKeyboardFocus() == this) && hasSelection() )
+ {
+ S32 select_left;
+ S32 select_right;
+ if (mSelectionStart < mSelectionEnd)
+ {
+ select_left = mSelectionStart;
+ select_right = mSelectionEnd;
+ }
+ else
+ {
+ select_left = mSelectionEnd;
+ select_right = mSelectionStart;
+ }
+
+ if( select_left > mScrollHPos )
+ {
+ // unselected, left side
+ rendered_text = mGLFont->render(
+ mText, mScrollHPos,
+ rendered_pixels_right, text_bottom,
+ text_color,
+ LLFontGL::LEFT, LLFontGL::BOTTOM,
+ 0,
+ LLFontGL::NO_SHADOW,
+ select_left - mScrollHPos,
+ mTextRightEdge - ll_round(rendered_pixels_right),
+ &rendered_pixels_right);
+ }
+
+ if( (rendered_pixels_right < (F32)mTextRightEdge) && (rendered_text < text_len) )
+ {
+ LLColor4 color = mHighlightColor;
+ color.setAlpha(alpha);
+ // selected middle
+ S32 width = mGLFont->getWidth(mText.getWString().c_str(), mScrollHPos + rendered_text, select_right - mScrollHPos - rendered_text);
+ width = llmin(width, mTextRightEdge - ll_round(rendered_pixels_right));
+ gl_rect_2d(ll_round(rendered_pixels_right), cursor_top, ll_round(rendered_pixels_right)+width, cursor_bottom, color);
+
+ LLColor4 tmp_color( 1.f - text_color.mV[0], 1.f - text_color.mV[1], 1.f - text_color.mV[2], alpha );
+ rendered_text += mGLFont->render(
+ mText, mScrollHPos + rendered_text,
+ rendered_pixels_right, text_bottom,
+ tmp_color,
+ LLFontGL::LEFT, LLFontGL::BOTTOM,
+ 0,
+ LLFontGL::NO_SHADOW,
+ select_right - mScrollHPos - rendered_text,
+ mTextRightEdge - ll_round(rendered_pixels_right),
+ &rendered_pixels_right);
+ }
+
+ if( (rendered_pixels_right < (F32)mTextRightEdge) && (rendered_text < text_len) )
+ {
+ // unselected, right side
+ rendered_text += mGLFont->render(
+ mText, mScrollHPos + rendered_text,
+ rendered_pixels_right, text_bottom,
+ text_color,
+ LLFontGL::LEFT, LLFontGL::BOTTOM,
+ 0,
+ LLFontGL::NO_SHADOW,
+ S32_MAX,
+ mTextRightEdge - ll_round(rendered_pixels_right),
+ &rendered_pixels_right);
+ }
+ }
+ else
+ {
+ rendered_text = mGLFont->render(
+ mText, mScrollHPos,
+ rendered_pixels_right, text_bottom,
+ text_color,
+ LLFontGL::LEFT, LLFontGL::BOTTOM,
+ 0,
+ LLFontGL::NO_SHADOW,
+ S32_MAX,
+ mTextRightEdge - ll_round(rendered_pixels_right),
+ &rendered_pixels_right);
+ }
+#if 1 // for when we're ready for image art.
+ 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;
+ }
+
+ S32 pxBottom = (S32)(text_bottom + mGLFont->getDescenderHeight());
+
+ gGL.color4ub(255, 0, 0, 200);
+ while (pxStart + 1 < pxEnd)
+ {
+ gl_line_2d(pxStart, pxBottom, pxStart + 2, pxBottom - 2);
+ if (pxStart + 3 < pxEnd)
+ {
+ gl_line_2d(pxStart + 2, pxBottom - 3, pxStart + 4, pxBottom - 1);
+ }
+ pxStart += 4;
+ }
+ }
+ }
+
+ // If we're editing...
+ if( hasFocus())
+ {
+ //mBorder->setVisible(true); // ok, programmer art just this once.
+ // (Flash the cursor every half second)
+ if (!mReadOnly && gFocusMgr.getAppHasFocus())
+ {
+ F32 elapsed = mKeystrokeTimer.getElapsedTimeF32();
+ if( (elapsed < CURSOR_FLASH_DELAY ) || (S32(elapsed * 2) & 1) )
+ {
+ S32 cursor_left = findPixelNearestPos();
+ cursor_left -= lineeditor_cursor_thickness / 2;
+ S32 cursor_right = cursor_left + lineeditor_cursor_thickness;
+ if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode() && !hasSelection())
+ {
+ const LLWString space(utf8str_to_wstring(std::string(" ")));
+ S32 wswidth = mGLFont->getWidth(space.c_str());
+ S32 width = mGLFont->getWidth(mText.getWString().c_str(), getCursor(), 1) + 1;
+ cursor_right = cursor_left + llmax(wswidth, width);
+ }
+ // Use same color as text for the Cursor
+ gl_rect_2d(cursor_left, cursor_top,
+ cursor_right, cursor_bottom, text_color);
+ if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode() && !hasSelection())
+ {
+ LLColor4 tmp_color( 1.f - text_color.mV[0], 1.f - text_color.mV[1], 1.f - text_color.mV[2], alpha );
+ mGLFont->render(mText, getCursor(), (F32)(cursor_left + lineeditor_cursor_thickness / 2), text_bottom,
+ tmp_color,
+ LLFontGL::LEFT, LLFontGL::BOTTOM,
+ 0,
+ LLFontGL::NO_SHADOW,
+ 1);
+ }
+
+ // Make sure the IME is in the right place
+ S32 pixels_after_scroll = findPixelNearestPos(); // RCalculcate for IME position
+ LLRect screen_pos = calcScreenRect();
+ LLCoordGL ime_pos( screen_pos.mLeft + pixels_after_scroll, screen_pos.mTop - lineeditor_v_pad );
+
+ ime_pos.mX = (S32) (ime_pos.mX * LLUI::getScaleFactor().mV[VX]);
+ ime_pos.mY = (S32) (ime_pos.mY * LLUI::getScaleFactor().mV[VY]);
+ getWindow()->setLanguageTextInput( ime_pos );
+ }
+ }
+
+ //draw label if no text is provided
+ //but we should draw it in a different color
+ //to give indication that it is not text you typed in
+ if (0 == mText.length() && (mReadOnly || mShowLabelFocused))
+ {
+ mGLFont->render(mLabel.getWString(), 0,
+ mTextLeftEdge, (F32)text_bottom,
+ label_color,
+ LLFontGL::LEFT,
+ LLFontGL::BOTTOM,
+ 0,
+ LLFontGL::NO_SHADOW,
+ S32_MAX,
+ mTextRightEdge - ll_round(rendered_pixels_right),
+ &rendered_pixels_right, false);
+ }
+
+
+ // Draw children (border)
+ //mBorder->setVisible(true);
+ mBorder->setKeyboardFocusHighlight( true );
+ LLView::draw();
+ mBorder->setKeyboardFocusHighlight( false );
+ //mBorder->setVisible(false);
+ }
+ else // does not have keyboard input
+ {
+ // draw label if no text provided
+ if (0 == mText.length())
+ {
+ mGLFont->render(mLabel.getWString(), 0,
+ mTextLeftEdge, (F32)text_bottom,
+ label_color,
+ LLFontGL::LEFT,
+ LLFontGL::BOTTOM,
+ 0,
+ LLFontGL::NO_SHADOW,
+ S32_MAX,
+ mTextRightEdge - ll_round(rendered_pixels_right),
+ &rendered_pixels_right);
+ }
+ // Draw children (border)
+ LLView::draw();
+ }
+
+ if (mDrawAsterixes)
+ {
+ mText = saved_text;
+ }
+}
+
+
+// Returns the local screen space X coordinate associated with the text cursor position.
+S32 LLLineEditor::findPixelNearestPos(const S32 cursor_offset) const
+{
+ S32 dpos = getCursor() - mScrollHPos + cursor_offset;
+ S32 result = mGLFont->getWidth(mText.getWString().c_str(), mScrollHPos, dpos) + mTextLeftEdge;
+ return result;
+}
+
+S32 LLLineEditor::calcCursorPos(S32 mouse_x)
+{
+ const llwchar* wtext = mText.getWString().c_str();
+ LLWString asterix_text;
+ if (mDrawAsterixes)
+ {
+ for (S32 i = 0; i < mText.length(); i++)
+ {
+ asterix_text += utf8str_to_wstring(PASSWORD_ASTERISK);
+ }
+ wtext = asterix_text.c_str();
+ }
+
+ S32 cur_pos = mScrollHPos +
+ mGLFont->charFromPixelOffset(
+ wtext, mScrollHPos,
+ (F32)(mouse_x - mTextLeftEdge),
+ (F32)(mTextRightEdge - mTextLeftEdge + 1)); // min-max range is inclusive
+
+ return cur_pos;
+}
+//virtual
+void LLLineEditor::clear()
+{
+ mText.clear();
+ setCursor(0);
+}
+
+//virtual
+void LLLineEditor::onTabInto()
+{
+ selectAll();
+ LLUICtrl::onTabInto();
+}
+
+//virtual
+bool LLLineEditor::acceptsTextInput() const
+{
+ return true;
+}
+
+// Start or stop the editor from accepting text-editing keystrokes
+void LLLineEditor::setFocus( bool new_state )
+{
+ bool old_state = hasFocus();
+
+ if (!new_state)
+ {
+ getWindow()->allowLanguageTextInput(this, false);
+ }
+
+
+ // getting focus when we didn't have it before, and we want to select all
+ if (!old_state && new_state && mSelectAllonFocusReceived)
+ {
+ selectAll();
+ // We don't want handleMouseUp() to "finish" the selection (and thereby
+ // set mSelectionEnd to where the mouse is), so we finish the selection
+ // here.
+ mIsSelecting = false;
+ }
+
+ if( new_state )
+ {
+ gEditMenuHandler = this;
+
+ // Don't start the cursor flashing right away
+ mKeystrokeTimer.reset();
+ }
+ else
+ {
+ // Not really needed, since loss of keyboard focus should take care of this,
+ // but limited paranoia is ok.
+ if( gEditMenuHandler == this )
+ {
+ gEditMenuHandler = NULL;
+ }
+
+ endSelection();
+ }
+
+ LLUICtrl::setFocus( new_state );
+
+ if (new_state)
+ {
+ // Allow Language Text Input only when this LineEditor has
+ // no prevalidate function attached. This criterion works
+ // fine on 1.15.0.2, since all prevalidate func reject any
+ // non-ASCII characters. I'm not sure on future versions,
+ // however.
+ getWindow()->allowLanguageTextInput(this, !mPrevalidator);
+ }
+}
+
+//virtual
+void LLLineEditor::setRect(const LLRect& rect)
+{
+ LLUICtrl::setRect(rect);
+ if (mBorder)
+ {
+ LLRect border_rect = mBorder->getRect();
+ // Scalable UI somehow made these rectangles off-by-one.
+ // I don't know why. JC
+ border_rect.setOriginAndSize(border_rect.mLeft, border_rect.mBottom,
+ rect.getWidth()-1, rect.getHeight()-1);
+ mBorder->setRect(border_rect);
+ }
+}
+
+void LLLineEditor::setPrevalidate(LLTextValidate::Validator validator)
+{
+ mPrevalidator = validator;
+ updateAllowingLanguageInput();
+}
+
+void LLLineEditor::setPrevalidateInput(LLTextValidate::Validator validator)
+{
+ mInputPrevalidator = validator;
+ updateAllowingLanguageInput();
+}
+
+bool LLLineEditor::prevalidateInput(const LLWString& wstr)
+{
+ return mInputPrevalidator.validate(wstr);
+}
+
+// static
+bool LLLineEditor::postvalidateFloat(const std::string &str)
+{
+ LLLocale locale(LLLocale::USER_LOCALE);
+
+ bool success = true;
+ bool has_decimal = false;
+ bool has_digit = false;
+
+ LLWString trimmed = utf8str_to_wstring(str);
+ LLWStringUtil::trim(trimmed);
+ S32 len = trimmed.length();
+ if( 0 < len )
+ {
+ S32 i = 0;
+
+ // First character can be a negative sign
+ if( '-' == trimmed[0] )
+ {
+ i++;
+ }
+
+ // May be a comma or period, depending on the locale
+ llwchar decimal_point = (llwchar)LLResMgr::getInstance()->getDecimalPoint();
+
+ for( ; i < len; i++ )
+ {
+ if( decimal_point == trimmed[i] )
+ {
+ if( has_decimal )
+ {
+ // can't have two
+ success = false;
+ break;
+ }
+ else
+ {
+ has_decimal = true;
+ }
+ }
+ else
+ if( LLStringOps::isDigit( trimmed[i] ) )
+ {
+ has_digit = true;
+ }
+ else
+ {
+ success = false;
+ break;
+ }
+ }
+ }
+
+ // Gotta have at least one
+ success = has_digit;
+
+ return success;
+}
+
+bool LLLineEditor::evaluateFloat()
+{
+ bool success;
+ F32 result = 0.f;
+ std::string expr = getText();
+ LLStringUtil::toUpper(expr);
+
+ success = LLCalc::getInstance()->evalString(expr, result);
+
+ if (!success)
+ {
+ // Move the cursor to near the error on failure
+ setCursor(LLCalc::getInstance()->getLastErrorPos());
+ // *TODO: Translated error message indicating the type of error? Select error text?
+ }
+ else
+ {
+ // Replace the expression with the result
+ std::string result_str = llformat("%f",result);
+ setText(result_str);
+ selectAll();
+ }
+
+ return success;
+}
+
+void LLLineEditor::onMouseCaptureLost()
+{
+ endSelection();
+}
+
+
+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)
+{
+ mKeystrokeCallback = boost::bind(callback, _1, user_data);
+}
+
+
+bool LLLineEditor::setTextArg( const std::string& key, const LLStringExplicit& text )
+{
+ mText.setArg(key, text);
+ return true;
+}
+
+bool LLLineEditor::setLabelArg( const std::string& key, const LLStringExplicit& text )
+{
+ mLabel.setArg(key, text);
+ return true;
+}
+
+
+void LLLineEditor::updateAllowingLanguageInput()
+{
+ // Allow Language Text Input only when this LineEditor has
+ // no prevalidate function attached (as long as other criteria
+ // common to LLTextEditor). This criterion works
+ // fine on 1.15.0.2, since all prevalidate func reject any
+ // non-ASCII characters. I'm not sure on future versions,
+ // however...
+ LLWindow* window = getWindow();
+ if (!window)
+ {
+ // test app, no window available
+ return;
+ }
+ if (hasFocus() && !mReadOnly && !mDrawAsterixes && !mPrevalidator)
+ {
+ window->allowLanguageTextInput(this, true);
+ }
+ else
+ {
+ window->allowLanguageTextInput(this, false);
+ }
+}
+
+bool LLLineEditor::hasPreeditString() const
+{
+ return (mPreeditPositions.size() > 1);
+}
+
+void LLLineEditor::resetPreedit()
+{
+ if (hasSelection())
+ {
+ if (hasPreeditString())
+ {
+ LL_WARNS() << "Preedit and selection!" << LL_ENDL;
+ deselect();
+ }
+ else
+ {
+ deleteSelection();
+ }
+ }
+ if (hasPreeditString())
+ {
+ const S32 preedit_pos = mPreeditPositions.front();
+ mText.erase(preedit_pos, mPreeditPositions.back() - preedit_pos);
+ mText.insert(preedit_pos, mPreeditOverwrittenWString);
+ setCursor(preedit_pos);
+
+ mPreeditWString.clear();
+ mPreeditOverwrittenWString.clear();
+ mPreeditPositions.clear();
+
+ // Don't reset key stroke timer nor invoke keystroke callback,
+ // because a call to updatePreedit should be follow soon in
+ // normal course of operation, and timer and callback will be
+ // maintained there. Doing so here made an odd sound. (VWR-3410)
+ }
+}
+
+void LLLineEditor::updatePreedit(const LLWString &preedit_string,
+ const segment_lengths_t &preedit_segment_lengths, const standouts_t &preedit_standouts, S32 caret_position)
+{
+ // Just in case.
+ if (mReadOnly)
+ {
+ return;
+ }
+
+ // Note that call to updatePreedit is always preceeded by resetPreedit,
+ // so we have no existing selection/preedit.
+
+ S32 insert_preedit_at = getCursor();
+
+ mPreeditWString = preedit_string;
+ mPreeditPositions.resize(preedit_segment_lengths.size() + 1);
+ S32 position = insert_preedit_at;
+ for (segment_lengths_t::size_type i = 0; i < preedit_segment_lengths.size(); i++)
+ {
+ mPreeditPositions[i] = position;
+ position += preedit_segment_lengths[i];
+ }
+ mPreeditPositions.back() = position;
+ if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode())
+ {
+ mPreeditOverwrittenWString.assign( LLWString( mText, insert_preedit_at, mPreeditWString.length() ) );
+ mText.erase(insert_preedit_at, mPreeditWString.length());
+ }
+ else
+ {
+ mPreeditOverwrittenWString.clear();
+ }
+ mText.insert(insert_preedit_at, mPreeditWString);
+
+ mPreeditStandouts = preedit_standouts;
+
+ setCursor(position);
+ setCursor(mPreeditPositions.front() + caret_position);
+
+ // Update of the preedit should be caused by some key strokes.
+ mKeystrokeTimer.reset();
+ onKeystroke();
+
+ mSpellCheckTimer.setTimerExpirySec(SPELLCHECK_DELAY);
+}
+
+bool LLLineEditor::getPreeditLocation(S32 query_offset, LLCoordGL *coord, LLRect *bounds, LLRect *control) const
+{
+ if (control)
+ {
+ LLRect control_rect_screen;
+ localRectToScreen(getRect(), &control_rect_screen);
+ LLUI::getInstance()->screenRectToGL(control_rect_screen, control);
+ }
+
+ S32 preedit_left_column, preedit_right_column;
+ if (hasPreeditString())
+ {
+ preedit_left_column = mPreeditPositions.front();
+ preedit_right_column = mPreeditPositions.back();
+ }
+ else
+ {
+ preedit_left_column = preedit_right_column = getCursor();
+ }
+ if (preedit_right_column < mScrollHPos)
+ {
+ // This should not occure...
+ return false;
+ }
+
+ const S32 query = (query_offset >= 0 ? preedit_left_column + query_offset : getCursor());
+ if (query < mScrollHPos || query < preedit_left_column || query > preedit_right_column)
+ {
+ return false;
+ }
+
+ if (coord)
+ {
+ S32 query_local = findPixelNearestPos(query - getCursor());
+ S32 query_screen_x, query_screen_y;
+ localPointToScreen(query_local, getRect().getHeight() / 2, &query_screen_x, &query_screen_y);
+ LLUI::getInstance()->screenPointToGL(query_screen_x, query_screen_y, &coord->mX, &coord->mY);
+ }
+
+ if (bounds)
+ {
+ S32 preedit_left_local = findPixelNearestPos(llmax(preedit_left_column, mScrollHPos) - getCursor());
+ S32 preedit_right_local = llmin(findPixelNearestPos(preedit_right_column - getCursor()), getRect().getWidth() - mBorderThickness);
+ if (preedit_left_local > preedit_right_local)
+ {
+ // Is this condition possible?
+ preedit_right_local = preedit_left_local;
+ }
+
+ LLRect preedit_rect_local(preedit_left_local, getRect().getHeight(), preedit_right_local, 0);
+ LLRect preedit_rect_screen;
+ localRectToScreen(preedit_rect_local, &preedit_rect_screen);
+ LLUI::getInstance()->screenRectToGL(preedit_rect_screen, bounds);
+ }
+
+ return true;
+}
+
+void LLLineEditor::getPreeditRange(S32 *position, S32 *length) const
+{
+ if (hasPreeditString())
+ {
+ *position = mPreeditPositions.front();
+ *length = mPreeditPositions.back() - mPreeditPositions.front();
+ }
+ else
+ {
+ *position = mCursorPos;
+ *length = 0;
+ }
+}
+
+void LLLineEditor::getSelectionRange(S32 *position, S32 *length) const
+{
+ if (hasSelection())
+ {
+ *position = llmin(mSelectionStart, mSelectionEnd);
+ *length = llabs(mSelectionStart - mSelectionEnd);
+ }
+ else
+ {
+ *position = mCursorPos;
+ *length = 0;
+ }
+}
+
+void LLLineEditor::markAsPreedit(S32 position, S32 length)
+{
+ deselect();
+ setCursor(position);
+ if (hasPreeditString())
+ {
+ LL_WARNS() << "markAsPreedit invoked when hasPreeditString is true." << LL_ENDL;
+ }
+ mPreeditWString.assign( LLWString( mText.getWString(), position, length ) );
+ if (length > 0)
+ {
+ mPreeditPositions.resize(2);
+ mPreeditPositions[0] = position;
+ mPreeditPositions[1] = position + length;
+ mPreeditStandouts.resize(1);
+ mPreeditStandouts[0] = false;
+ }
+ else
+ {
+ mPreeditPositions.clear();
+ mPreeditStandouts.clear();
+ }
+ if (LL_KIM_OVERWRITE == gKeyboard->getInsertMode())
+ {
+ mPreeditOverwrittenWString = mPreeditWString;
+ }
+ else
+ {
+ mPreeditOverwrittenWString.clear();
+ }
+}
+
+S32 LLLineEditor::getPreeditFontSize() const
+{
+ return ll_round(mGLFont->getLineHeight() * LLUI::getScaleFactor().mV[VY]);
+}
+
+void LLLineEditor::setReplaceNewlinesWithSpaces(bool replace)
+{
+ mReplaceNewlinesWithSpaces = replace;
+}
+
+LLWString LLLineEditor::getConvertedText() const
+{
+ LLWString text = getWText();
+ LLWStringUtil::trim(text);
+ if (!mReplaceNewlinesWithSpaces)
+ {
+ LLWStringUtil::replaceChar(text,182,'\n'); // Convert paragraph symbols back into newlines.
+ }
+ return text;
+}
+
+void LLLineEditor::showContextMenu(S32 x, S32 y)
+{
+ LLContextMenu* menu = static_cast<LLContextMenu*>(mContextMenuHandle.get());
+ if (!menu)
+ {
+ llassert(LLMenuGL::sMenuContainer != NULL);
+ menu = LLUICtrlFactory::createFromFile<LLContextMenu>
+ ("menu_text_editor.xml",
+ LLMenuGL::sMenuContainer,
+ LLMenuHolderGL::child_registry_t::instance());
+ setContextMenu(menu);
+ }
+
+ if (menu)
+ {
+ gEditMenuHandler = this;
+
+ S32 screen_x, screen_y;
+ localPointToScreen(x, y, &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()))
+ {
+ 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);
+ }
+}
+
+void LLLineEditor::setContextMenu(LLContextMenu* new_context_menu)
+{
+ LLContextMenu* menu = static_cast<LLContextMenu*>(mContextMenuHandle.get());
+ if (menu)
+ {
+ menu->die();
+ mContextMenuHandle.markDead();
+ }
+
+ if (new_context_menu)
+ {
+ mContextMenuHandle = new_context_menu->getHandle();
+ }
+}
+
+void LLLineEditor::setFont(const LLFontGL* font)
+{
+ mGLFont = font;
+}
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