diff options
Diffstat (limited to 'indra/llui/llchatentry.cpp')
| -rw-r--r-- | indra/llui/llchatentry.cpp | 502 |
1 files changed, 251 insertions, 251 deletions
diff --git a/indra/llui/llchatentry.cpp b/indra/llui/llchatentry.cpp index 3aa65355e5..da5afd0386 100644 --- a/indra/llui/llchatentry.cpp +++ b/indra/llui/llchatentry.cpp @@ -1,251 +1,251 @@ -/**
- * @file llchatentry.cpp
- * @brief LLChatEntry implementation
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2012, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-#include "llscrollcontainer.h"
-
-#include "llchatentry.h"
-
-static LLDefaultChildRegistry::Register<LLChatEntry> r("chat_editor");
-
-LLChatEntry::Params::Params()
-: has_history("has_history", true),
- is_expandable("is_expandable", false),
- expand_lines_count("expand_lines_count", 1)
-{}
-
-LLChatEntry::LLChatEntry(const Params& p)
-: LLTextEditor(p),
- mTextExpandedSignal(NULL),
- mHasHistory(p.has_history),
- mIsExpandable(p.is_expandable),
- mExpandLinesCount(p.expand_lines_count),
- mPrevLinesCount(0),
- mSingleLineMode(false),
- mPrevExpandedLineCount(S32_MAX)
-{
- // Initialize current history line iterator
- mCurrentHistoryLine = mLineHistory.begin();
-
- mAutoIndent = false;
- keepSelectionOnReturn(true);
-}
-
-LLChatEntry::~LLChatEntry()
-{
- delete mTextExpandedSignal;
-}
-
-void LLChatEntry::draw()
-{
- if(mIsExpandable)
- {
- reflow();
- expandText();
- }
- LLTextEditor::draw();
-}
-
-void LLChatEntry::onCommit()
-{
- updateHistory();
- LLTextEditor::onCommit();
-}
-
-boost::signals2::connection LLChatEntry::setTextExpandedCallback(const commit_signal_t::slot_type& cb)
-{
- if (!mTextExpandedSignal)
- {
- mTextExpandedSignal = new commit_signal_t();
- }
- return mTextExpandedSignal->connect(cb);
-}
-
-void LLChatEntry::expandText()
-{
- S32 line_count = mSingleLineMode ? 1 : mExpandLinesCount;
-
- int visible_lines_count = llabs(getVisibleLines(true).first - getVisibleLines(true).second);
- bool can_changed = getLineCount() <= line_count || line_count < mPrevExpandedLineCount ;
- mPrevExpandedLineCount = line_count;
-
- // true if pasted text has more lines than expand height limit and expand limit is not reached yet
- bool text_pasted = (getLineCount() > line_count) && (visible_lines_count < line_count);
-
- if (mIsExpandable && (can_changed || text_pasted || mSingleLineMode) && getLineCount() != mPrevLinesCount)
- {
- int lines_height = 0;
- if (text_pasted)
- {
- // text is pasted and now mLineInfoList.size() > mExpandLineCounts and mLineInfoList is not empty,
- // so lines_height is the sum of the last 'expanded_line_count' lines height
- lines_height = (mLineInfoList.end() - line_count)->mRect.mTop - mLineInfoList.back().mRect.mBottom;
- }
- else
- {
- lines_height = mLineInfoList.begin()->mRect.mTop - mLineInfoList.back().mRect.mBottom;
- }
-
- int height = mVPad * 2 + lines_height;
-
- LLRect doc_rect = getRect();
- doc_rect.setOriginAndSize(doc_rect.mLeft, doc_rect.mBottom, doc_rect.getWidth(), height);
- setShape(doc_rect);
-
- mPrevLinesCount = getLineCount();
-
- if (mTextExpandedSignal)
- {
- (*mTextExpandedSignal)(this, LLSD() );
- }
-
- needsReflow();
- }
-}
-
-// line history support
-void LLChatEntry::updateHistory()
-{
- // On history enabled, remember committed line and
- // reset current history line number.
- // Be sure only to remember lines that are not empty and that are
- // different from the last on the list.
- if (mHasHistory && getLength())
- {
- // Add text to history, ignoring duplicates
- if (mLineHistory.empty() || getText() != mLineHistory.back())
- {
- mLineHistory.push_back(getText());
- }
-
- mCurrentHistoryLine = mLineHistory.end();
- }
-}
-
-void LLChatEntry::beforeValueChange()
-{
- if(this->getLength() == 0 && !mLabel.empty())
- {
- this->clearSegments();
- }
-}
-
-void LLChatEntry::onValueChange(S32 start, S32 end)
-{
- //Internally resetLabel() must meet a condition before it can reset the label
- resetLabel();
-}
-
-bool LLChatEntry::useLabel() const
-{
- return !getLength() && !mLabel.empty();
-}
-
-void LLChatEntry::onFocusReceived()
-{
- LLUICtrl::onFocusReceived();
- updateAllowingLanguageInput();
-}
-
-void LLChatEntry::onFocusLost()
-{
- LLTextEditor::focusLostHelper();
- LLUICtrl::onFocusLost();
-}
-
-bool LLChatEntry::handleSpecialKey(const KEY key, const MASK mask)
-{
- bool handled = false;
-
- LLTextEditor::handleSpecialKey(key, mask);
-
- switch(key)
- {
- case KEY_RETURN:
- if (MASK_NONE == mask)
- {
- needsReflow();
- }
- break;
-
- case KEY_UP:
- if (mHasHistory && MASK_CONTROL == mask)
- {
- if (!mLineHistory.empty() && mCurrentHistoryLine > mLineHistory.begin())
- {
- setText(*(--mCurrentHistoryLine));
- endOfDoc();
- }
- else
- {
- LLUI::getInstance()->reportBadKeystroke();
- }
- handled = true;
- }
- break;
-
- case KEY_DOWN:
- if (mHasHistory && MASK_CONTROL == mask)
- {
- if (!mLineHistory.empty() && mCurrentHistoryLine < (mLineHistory.end() - 1) )
- {
- setText(*(++mCurrentHistoryLine));
- endOfDoc();
- }
- else if (!mLineHistory.empty() && mCurrentHistoryLine == (mLineHistory.end() - 1) )
- {
- mCurrentHistoryLine++;
- std::string empty("");
- setText(empty);
- needsReflow();
- endOfDoc();
- }
- else
- {
- LLUI::getInstance()->reportBadKeystroke();
- }
- handled = true;
- }
- break;
-
- default:
- break;
- }
-
- return handled;
-}
-
-void LLChatEntry::enableSingleLineMode(bool single_line_mode)
-{
- if (mScroller)
- {
- mScroller->setSize(single_line_mode ? 0 : -1);
- }
-
- mSingleLineMode = single_line_mode;
- mPrevLinesCount = -1;
- setWordWrap(!single_line_mode);
-}
+/** + * @file llchatentry.cpp + * @brief LLChatEntry implementation + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2012, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "linden_common.h" +#include "llscrollcontainer.h" + +#include "llchatentry.h" + +static LLDefaultChildRegistry::Register<LLChatEntry> r("chat_editor"); + +LLChatEntry::Params::Params() +: has_history("has_history", true), + is_expandable("is_expandable", false), + expand_lines_count("expand_lines_count", 1) +{} + +LLChatEntry::LLChatEntry(const Params& p) +: LLTextEditor(p), + mTextExpandedSignal(NULL), + mHasHistory(p.has_history), + mIsExpandable(p.is_expandable), + mExpandLinesCount(p.expand_lines_count), + mPrevLinesCount(0), + mSingleLineMode(false), + mPrevExpandedLineCount(S32_MAX) +{ + // Initialize current history line iterator + mCurrentHistoryLine = mLineHistory.begin(); + + mAutoIndent = false; + keepSelectionOnReturn(true); +} + +LLChatEntry::~LLChatEntry() +{ + delete mTextExpandedSignal; +} + +void LLChatEntry::draw() +{ + if(mIsExpandable) + { + reflow(); + expandText(); + } + LLTextEditor::draw(); +} + +void LLChatEntry::onCommit() +{ + updateHistory(); + LLTextEditor::onCommit(); +} + +boost::signals2::connection LLChatEntry::setTextExpandedCallback(const commit_signal_t::slot_type& cb) +{ + if (!mTextExpandedSignal) + { + mTextExpandedSignal = new commit_signal_t(); + } + return mTextExpandedSignal->connect(cb); +} + +void LLChatEntry::expandText() +{ + S32 line_count = mSingleLineMode ? 1 : mExpandLinesCount; + + int visible_lines_count = llabs(getVisibleLines(true).first - getVisibleLines(true).second); + bool can_changed = getLineCount() <= line_count || line_count < mPrevExpandedLineCount ; + mPrevExpandedLineCount = line_count; + + // true if pasted text has more lines than expand height limit and expand limit is not reached yet + bool text_pasted = (getLineCount() > line_count) && (visible_lines_count < line_count); + + if (mIsExpandable && (can_changed || text_pasted || mSingleLineMode) && getLineCount() != mPrevLinesCount) + { + int lines_height = 0; + if (text_pasted) + { + // text is pasted and now mLineInfoList.size() > mExpandLineCounts and mLineInfoList is not empty, + // so lines_height is the sum of the last 'expanded_line_count' lines height + lines_height = (mLineInfoList.end() - line_count)->mRect.mTop - mLineInfoList.back().mRect.mBottom; + } + else + { + lines_height = mLineInfoList.begin()->mRect.mTop - mLineInfoList.back().mRect.mBottom; + } + + int height = mVPad * 2 + lines_height; + + LLRect doc_rect = getRect(); + doc_rect.setOriginAndSize(doc_rect.mLeft, doc_rect.mBottom, doc_rect.getWidth(), height); + setShape(doc_rect); + + mPrevLinesCount = getLineCount(); + + if (mTextExpandedSignal) + { + (*mTextExpandedSignal)(this, LLSD() ); + } + + needsReflow(); + } +} + +// line history support +void LLChatEntry::updateHistory() +{ + // On history enabled, remember committed line and + // reset current history line number. + // Be sure only to remember lines that are not empty and that are + // different from the last on the list. + if (mHasHistory && getLength()) + { + // Add text to history, ignoring duplicates + if (mLineHistory.empty() || getText() != mLineHistory.back()) + { + mLineHistory.push_back(getText()); + } + + mCurrentHistoryLine = mLineHistory.end(); + } +} + +void LLChatEntry::beforeValueChange() +{ + if(this->getLength() == 0 && !mLabel.empty()) + { + this->clearSegments(); + } +} + +void LLChatEntry::onValueChange(S32 start, S32 end) +{ + //Internally resetLabel() must meet a condition before it can reset the label + resetLabel(); +} + +bool LLChatEntry::useLabel() const +{ + return !getLength() && !mLabel.empty(); +} + +void LLChatEntry::onFocusReceived() +{ + LLUICtrl::onFocusReceived(); + updateAllowingLanguageInput(); +} + +void LLChatEntry::onFocusLost() +{ + LLTextEditor::focusLostHelper(); + LLUICtrl::onFocusLost(); +} + +bool LLChatEntry::handleSpecialKey(const KEY key, const MASK mask) +{ + bool handled = false; + + LLTextEditor::handleSpecialKey(key, mask); + + switch(key) + { + case KEY_RETURN: + if (MASK_NONE == mask) + { + needsReflow(); + } + break; + + case KEY_UP: + if (mHasHistory && MASK_CONTROL == mask) + { + if (!mLineHistory.empty() && mCurrentHistoryLine > mLineHistory.begin()) + { + setText(*(--mCurrentHistoryLine)); + endOfDoc(); + } + else + { + LLUI::getInstance()->reportBadKeystroke(); + } + handled = true; + } + break; + + case KEY_DOWN: + if (mHasHistory && MASK_CONTROL == mask) + { + if (!mLineHistory.empty() && mCurrentHistoryLine < (mLineHistory.end() - 1) ) + { + setText(*(++mCurrentHistoryLine)); + endOfDoc(); + } + else if (!mLineHistory.empty() && mCurrentHistoryLine == (mLineHistory.end() - 1) ) + { + mCurrentHistoryLine++; + std::string empty(""); + setText(empty); + needsReflow(); + endOfDoc(); + } + else + { + LLUI::getInstance()->reportBadKeystroke(); + } + handled = true; + } + break; + + default: + break; + } + + return handled; +} + +void LLChatEntry::enableSingleLineMode(bool single_line_mode) +{ + if (mScroller) + { + mScroller->setSize(single_line_mode ? 0 : -1); + } + + mSingleLineMode = single_line_mode; + mPrevLinesCount = -1; + setWordWrap(!single_line_mode); +} |