2720 lines
64 KiB
C++
2720 lines
64 KiB
C++
/**
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* @file lllineeditor.cpp
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* @brief LLLineEditor base class
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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// Text editor widget to let users enter a single line.
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#include "linden_common.h"
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#define LLLINEEDITOR_CPP
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#include "lllineeditor.h"
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#include "lltexteditor.h"
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#include "llmath.h"
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#include "llfontgl.h"
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#include "llgl.h"
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#include "lltimer.h"
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#include "llcalc.h"
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//#include "llclipboard.h"
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#include "llcontrol.h"
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#include "llbutton.h"
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#include "llfocusmgr.h"
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#include "llkeyboard.h"
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#include "llrect.h"
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#include "llresmgr.h"
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#include "llspellcheck.h"
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#include "llstring.h"
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#include "llwindow.h"
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#include "llui.h"
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#include "lluictrlfactory.h"
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#include "llclipboard.h"
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#include "llmenugl.h"
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//
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// Imported globals
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//
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//
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// Constants
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//
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const F32 CURSOR_FLASH_DELAY = 1.0f; // in seconds
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const S32 SCROLL_INCREMENT_ADD = 0; // make space for typing
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const S32 SCROLL_INCREMENT_DEL = 4; // make space for baskspacing
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const F32 AUTO_SCROLL_TIME = 0.05f;
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const F32 TRIPLE_CLICK_INTERVAL = 0.3f; // delay between double and triple click. *TODO: make this equal to the double click interval?
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const F32 SPELLCHECK_DELAY = 0.5f; // delay between the last keypress and spell checking the word the cursor is on
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const std::string PASSWORD_ASTERISK( "\xE2\x80\xA2" ); // U+2022 BULLET
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static LLDefaultChildRegistry::Register<LLLineEditor> r1("line_editor");
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// Compiler optimization, generate extern template
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template class LLLineEditor* LLView::getChild<class LLLineEditor>(
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const std::string& name, BOOL recurse) const;
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//
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// Member functions
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//
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LLLineEditor::Params::Params()
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: max_length(""),
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keystroke_callback("keystroke_callback"),
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prevalidate_callback("prevalidate_callback"),
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prevalidate_input_callback("prevalidate_input_callback"),
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background_image("background_image"),
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background_image_disabled("background_image_disabled"),
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background_image_focused("background_image_focused"),
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bg_image_always_focused("bg_image_always_focused", false),
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show_label_focused("show_label_focused", false),
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select_on_focus("select_on_focus", false),
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revert_on_esc("revert_on_esc", true),
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spellcheck("spellcheck", false),
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commit_on_focus_lost("commit_on_focus_lost", true),
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ignore_tab("ignore_tab", true),
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is_password("is_password", false),
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cursor_color("cursor_color"),
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use_bg_color("use_bg_color", false),
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bg_color("bg_color"),
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text_color("text_color"),
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text_readonly_color("text_readonly_color"),
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text_tentative_color("text_tentative_color"),
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highlight_color("highlight_color"),
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preedit_bg_color("preedit_bg_color"),
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border(""),
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bg_visible("bg_visible"),
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text_pad_left("text_pad_left"),
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text_pad_right("text_pad_right"),
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default_text("default_text")
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{
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changeDefault(mouse_opaque, true);
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addSynonym(select_on_focus, "select_all_on_focus_received");
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addSynonym(border, "border");
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addSynonym(label, "watermark_text");
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addSynonym(max_length.chars, "max_length");
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}
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LLLineEditor::LLLineEditor(const LLLineEditor::Params& p)
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: LLUICtrl(p),
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mMaxLengthBytes(p.max_length.bytes),
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mMaxLengthChars(p.max_length.chars),
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mCursorPos( 0 ),
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mScrollHPos( 0 ),
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mTextPadLeft(p.text_pad_left),
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mTextPadRight(p.text_pad_right),
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mTextLeftEdge(0), // computed in updateTextPadding() below
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mTextRightEdge(0), // computed in updateTextPadding() below
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mCommitOnFocusLost( p.commit_on_focus_lost ),
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mKeystrokeOnEsc(FALSE),
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mRevertOnEsc( p.revert_on_esc ),
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mKeystrokeCallback( p.keystroke_callback() ),
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mIsSelecting( FALSE ),
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mSelectionStart( 0 ),
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mSelectionEnd( 0 ),
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mLastSelectionX(-1),
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mLastSelectionY(-1),
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mLastSelectionStart(-1),
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mLastSelectionEnd(-1),
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mBorderThickness( 0 ),
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mIgnoreArrowKeys( FALSE ),
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mIgnoreTab( p.ignore_tab ),
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mDrawAsterixes( p.is_password ),
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mSpellCheck( p.spellcheck ),
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mSpellCheckStart(-1),
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mSpellCheckEnd(-1),
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mSelectAllonFocusReceived( p.select_on_focus ),
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mSelectAllonCommit( TRUE ),
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mPassDelete(FALSE),
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mReadOnly(FALSE),
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mBgImage( p.background_image ),
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mBgImageDisabled( p.background_image_disabled ),
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mBgImageFocused( p.background_image_focused ),
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mShowImageFocused( p.bg_image_always_focused ),
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mShowLabelFocused( p.show_label_focused ),
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mUseBgColor(p.use_bg_color),
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mHaveHistory(FALSE),
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mReplaceNewlinesWithSpaces( TRUE ),
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mLabel(p.label),
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mCursorColor(p.cursor_color()),
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mBgColor(p.bg_color()),
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mFgColor(p.text_color()),
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mReadOnlyFgColor(p.text_readonly_color()),
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mTentativeFgColor(p.text_tentative_color()),
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mHighlightColor(p.highlight_color()),
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mPreeditBgColor(p.preedit_bg_color()),
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mGLFont(p.font),
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mContextMenuHandle(),
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mShowContextMenu(true)
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{
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llassert( mMaxLengthBytes > 0 );
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LLUICtrl::setEnabled(TRUE);
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setEnabled(p.enabled);
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mScrollTimer.reset();
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mTripleClickTimer.reset();
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setText(p.default_text());
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if (p.initial_value.isProvided()
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&& !p.control_name.isProvided())
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{
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// Initial value often is descriptive, like "Type some ID here"
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// and can be longer than size limitation, ignore size
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setText(p.initial_value.getValue().asString(), false);
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}
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// Initialize current history line iterator
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mCurrentHistoryLine = mLineHistory.begin();
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LLRect border_rect(getLocalRect());
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// adjust for gl line drawing glitch
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border_rect.mTop -= 1;
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border_rect.mRight -=1;
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LLViewBorder::Params border_p(p.border);
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border_p.rect = border_rect;
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border_p.follows.flags = FOLLOWS_ALL;
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border_p.bevel_style = LLViewBorder::BEVEL_IN;
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mBorder = LLUICtrlFactory::create<LLViewBorder>(border_p);
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addChild( mBorder );
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// clamp text padding to current editor size
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updateTextPadding();
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setCursor(mText.length());
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if (mSpellCheck)
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{
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LLSpellChecker::setSettingsChangeCallback(boost::bind(&LLLineEditor::onSpellCheckSettingsChange, this));
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}
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mSpellCheckTimer.reset();
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setPrevalidateInput(p.prevalidate_input_callback());
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setPrevalidate(p.prevalidate_callback());
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}
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LLLineEditor::~LLLineEditor()
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{
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mCommitOnFocusLost = FALSE;
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// Make sure no context menu linger around once the widget is deleted
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LLContextMenu* menu = static_cast<LLContextMenu*>(mContextMenuHandle.get());
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if (menu)
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{
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menu->hide();
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}
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setContextMenu(NULL);
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// calls onCommit() while LLLineEditor still valid
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gFocusMgr.releaseFocusIfNeeded( this );
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}
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void LLLineEditor::initFromParams(const LLLineEditor::Params& params)
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{
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LLUICtrl::initFromParams(params);
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LLUICtrl::setEnabled(TRUE);
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setEnabled(params.enabled);
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}
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void LLLineEditor::onFocusReceived()
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{
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gEditMenuHandler = this;
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LLUICtrl::onFocusReceived();
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updateAllowingLanguageInput();
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}
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void LLLineEditor::onFocusLost()
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{
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// The call to updateAllowLanguageInput()
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// when loosing the keyboard focus *may*
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// indirectly invoke handleUnicodeCharHere(),
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// so it must be called before onCommit.
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updateAllowingLanguageInput();
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if( mCommitOnFocusLost && mText.getString() != mPrevText)
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{
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onCommit();
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}
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if( gEditMenuHandler == this )
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{
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gEditMenuHandler = NULL;
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}
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getWindow()->showCursorFromMouseMove();
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LLUICtrl::onFocusLost();
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}
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// virtual
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void LLLineEditor::onCommit()
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{
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// put current line into the line history
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updateHistory();
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setControlValue(getValue());
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LLUICtrl::onCommit();
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resetDirty();
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// Selection on commit needs to be turned off when evaluating maths
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// expressions, to allow indication of the error position
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if (mSelectAllonCommit) selectAll();
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}
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// Returns TRUE if user changed value at all
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// virtual
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BOOL LLLineEditor::isDirty() const
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{
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return mText.getString() != mPrevText;
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}
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// Clear dirty state
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// virtual
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void LLLineEditor::resetDirty()
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{
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mPrevText = mText.getString();
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}
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// assumes UTF8 text
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// virtual
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void LLLineEditor::setValue(const LLSD& value )
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{
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setText(value.asString());
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}
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//virtual
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LLSD LLLineEditor::getValue() const
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{
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return LLSD(getText());
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}
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// line history support
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void LLLineEditor::updateHistory()
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{
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// On history enabled line editors, remember committed line and
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// reset current history line number.
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// Be sure only to remember lines that are not empty and that are
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// different from the last on the list.
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if( mHaveHistory && getLength() )
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{
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if( !mLineHistory.empty() )
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{
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// When not empty, last line of history should always be blank.
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if( mLineHistory.back().empty() )
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{
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// discard the empty line
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mLineHistory.pop_back();
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}
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else
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{
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LL_WARNS("") << "Last line of history was not blank." << LL_ENDL;
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}
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}
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// Add text to history, ignoring duplicates
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if( mLineHistory.empty() || getText() != mLineHistory.back() )
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{
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mLineHistory.push_back( getText() );
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}
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// Restore the blank line and set mCurrentHistoryLine to point at it
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mLineHistory.push_back( "" );
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mCurrentHistoryLine = mLineHistory.end() - 1;
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}
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}
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void LLLineEditor::reshape(S32 width, S32 height, BOOL called_from_parent)
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{
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LLUICtrl::reshape(width, height, called_from_parent);
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updateTextPadding(); // For clamping side-effect.
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setCursor(mCursorPos); // For clamping side-effect.
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}
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void LLLineEditor::setEnabled(BOOL enabled)
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{
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mReadOnly = !enabled;
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setTabStop(!mReadOnly);
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updateAllowingLanguageInput();
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}
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void LLLineEditor::setMaxTextLength(S32 max_text_length)
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{
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S32 max_len = llmax(0, max_text_length);
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mMaxLengthBytes = max_len;
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}
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void LLLineEditor::setMaxTextChars(S32 max_text_chars)
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{
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S32 max_chars = llmax(0, max_text_chars);
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mMaxLengthChars = max_chars;
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}
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void LLLineEditor::getTextPadding(S32 *left, S32 *right)
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{
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*left = mTextPadLeft;
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*right = mTextPadRight;
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}
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void LLLineEditor::setTextPadding(S32 left, S32 right)
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{
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mTextPadLeft = left;
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mTextPadRight = right;
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updateTextPadding();
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}
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void LLLineEditor::updateTextPadding()
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{
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mTextLeftEdge = llclamp(mTextPadLeft, 0, getRect().getWidth());
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mTextRightEdge = getRect().getWidth() - llclamp(mTextPadRight, 0, getRect().getWidth());
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}
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void LLLineEditor::setText(const LLStringExplicit &new_text)
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{
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setText(new_text, true);
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}
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void LLLineEditor::setText(const LLStringExplicit &new_text, bool use_size_limit)
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{
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// If new text is identical, don't copy and don't move insertion point
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if (mText.getString() == new_text)
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{
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return;
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}
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// Check to see if entire field is selected.
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S32 len = mText.length();
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BOOL all_selected = (len > 0)
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&& (( mSelectionStart == 0 && mSelectionEnd == len )
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|| ( mSelectionStart == len && mSelectionEnd == 0 ));
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// Do safe truncation so we don't split multi-byte characters
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// also consider entire string selected when mSelectAllonFocusReceived is set on an empty, focused line editor
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all_selected = all_selected || (len == 0 && hasFocus() && mSelectAllonFocusReceived);
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std::string truncated_utf8 = new_text;
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if (use_size_limit && truncated_utf8.size() > (U32)mMaxLengthBytes)
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{
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truncated_utf8 = utf8str_truncate(new_text, mMaxLengthBytes);
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}
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mText.assign(truncated_utf8);
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if (use_size_limit && mMaxLengthChars)
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{
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mText.assign(utf8str_symbol_truncate(truncated_utf8, mMaxLengthChars));
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}
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if (all_selected)
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{
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// ...keep whole thing selected
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selectAll();
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}
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else
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{
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// try to preserve insertion point, but deselect text
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deselect();
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}
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setCursor(llmin((S32)mText.length(), getCursor()));
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// Set current history line to end of history.
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if (mLineHistory.empty())
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{
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mCurrentHistoryLine = mLineHistory.end();
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}
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else
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{
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mCurrentHistoryLine = mLineHistory.end() - 1;
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}
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mPrevText = mText;
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}
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// Picks a new cursor position based on the actual screen size of text being drawn.
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void LLLineEditor::setCursorAtLocalPos( S32 local_mouse_x )
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{
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S32 cursor_pos = calcCursorPos(local_mouse_x);
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S32 left_pos = llmin( mSelectionStart, cursor_pos );
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S32 length = llabs( mSelectionStart - cursor_pos );
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const LLWString& substr = mText.getWString().substr(left_pos, length);
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if (mIsSelecting && !prevalidateInput(substr))
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return;
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setCursor(cursor_pos);
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}
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void LLLineEditor::setCursor( S32 pos )
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{
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S32 old_cursor_pos = getCursor();
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mCursorPos = llclamp( pos, 0, mText.length());
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// position of end of next character after cursor
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S32 pixels_after_scroll = findPixelNearestPos();
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if( pixels_after_scroll > mTextRightEdge )
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{
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S32 width_chars_to_left = mGLFont->getWidth(mText.getWString().c_str(), 0, mScrollHPos);
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S32 last_visible_char = mGLFont->maxDrawableChars(mText.getWString().c_str(), llmax(0.f, (F32)(mTextRightEdge - mTextLeftEdge + width_chars_to_left)));
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// character immediately to left of cursor should be last one visible (SCROLL_INCREMENT_ADD will scroll in more characters)
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// or first character if cursor is at beginning
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S32 new_last_visible_char = llmax(0, getCursor() - 1);
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S32 min_scroll = mGLFont->firstDrawableChar(mText.getWString().c_str(), (F32)(mTextRightEdge - mTextLeftEdge), mText.length(), new_last_visible_char);
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if (old_cursor_pos == last_visible_char)
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{
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mScrollHPos = llmin(mText.length(), llmax(min_scroll, mScrollHPos + SCROLL_INCREMENT_ADD));
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}
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else
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{
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mScrollHPos = min_scroll;
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}
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}
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else if (getCursor() < mScrollHPos)
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{
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if (old_cursor_pos == mScrollHPos)
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{
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mScrollHPos = llmax(0, llmin(getCursor(), mScrollHPos - SCROLL_INCREMENT_DEL));
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}
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else
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{
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mScrollHPos = getCursor();
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}
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}
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}
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void LLLineEditor::setCursorToEnd()
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{
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setCursor(mText.length());
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deselect();
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}
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void LLLineEditor::resetScrollPosition()
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{
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mScrollHPos = 0;
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// make sure cursor says in visible range
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setCursor(getCursor());
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}
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BOOL LLLineEditor::canDeselect() const
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{
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return hasSelection();
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}
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void LLLineEditor::deselect()
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{
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|
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 == false) || ( 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 == false) || ( 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()) == true)
|
|
{
|
|
LLSpellChecker::instance().getSuggestions(misspelled_word, mSuggestionList);
|
|
}
|
|
}
|
|
|
|
menu->setItemVisible("Suggestion Separator", (use_spellcheck) && (!mSuggestionList.empty()));
|
|
menu->setItemVisible("Add to Dictionary", (use_spellcheck) && (is_misspelled));
|
|
menu->setItemVisible("Add to Ignore", (use_spellcheck) && (is_misspelled));
|
|
menu->setItemVisible("Spellcheck Separator", (use_spellcheck) && (is_misspelled));
|
|
menu->show(screen_x, screen_y, this);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|