diff options
Diffstat (limited to 'indra/llui/llviewmodel.cpp')
-rw-r--r-- | indra/llui/llviewmodel.cpp | 61 |
1 files changed, 36 insertions, 25 deletions
diff --git a/indra/llui/llviewmodel.cpp b/indra/llui/llviewmodel.cpp index a400eb70c0..93106b344f 100644 --- a/indra/llui/llviewmodel.cpp +++ b/indra/llui/llviewmodel.cpp @@ -3,25 +3,25 @@ * @author Nat Goodspeed * @date 2008-08-08 * @brief Implementation for llviewmodel. - * + * * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -37,13 +37,13 @@ /// LLViewModel::LLViewModel() -: mDirty(false) +: mDirty(false) { } /// Instantiate an LLViewModel with an existing data value LLViewModel::LLViewModel(const LLSD& value) -: mDirty(false) +: mDirty(false) { setValue(value); } @@ -65,23 +65,23 @@ LLSD LLViewModel::getValue() const /// LLTextViewModel::LLTextViewModel() : LLViewModel(false), - mUpdateFromDisplay(false) + mUpdateFromDisplay(false) { } /// Instantiate an LLViewModel with an existing data value LLTextViewModel::LLTextViewModel(const LLSD& value) : LLViewModel(value), - mUpdateFromDisplay(false) + mUpdateFromDisplay(false) { } /// Update the stored value void LLTextViewModel::setValue(const LLSD& value) { - // approximate LLSD storage usage - LLViewModel::setValue(value); - mDisplay = utf8str_to_wstring(value.asString()); + // approximate LLSD storage usage + LLViewModel::setValue(value); + mDisplay = utf8str_to_wstring(mStringValue = value.asString()); // mDisplay and mValue agree mUpdateFromDisplay = false; @@ -93,31 +93,42 @@ void LLTextViewModel::setDisplay(const LLWString& value) // and do the utf8str_to_wstring() to get the corresponding mDisplay // value. But a text editor might want to edit the display string // directly, then convert back to UTF8 on commit. - mDisplay = value; - mDirty = true; + mDisplay = value; + mDirty = true; // Don't immediately convert to UTF8 -- do it lazily -- we expect many // more setDisplay() calls than getValue() calls. Just flag that it needs // doing. mUpdateFromDisplay = true; } -LLSD LLTextViewModel::getValue() const +inline void updateFromDisplayIfNeeded(const LLTextViewModel* model) { - // Has anyone called setDisplay() since the last setValue()? If so, have - // to convert mDisplay back to UTF8. - if (mUpdateFromDisplay) + // Has anyone called setDisplay() since the last setValue()? + // If so, have to convert mDisplay back to UTF8. + if (model->mUpdateFromDisplay) { - // The fact that we're lazily updating fields in this object should be - // transparent to clients, which is why this method is left - // conventionally const. Nor do we particularly want to make these - // members mutable. Just cast away constness in this one place. - LLTextViewModel* nthis = const_cast<LLTextViewModel*>(this); + // The fact that we're lazily updating fields + // in this object should be transparent to clients, + // which is why this method is left conventionally const. + // Nor do we particularly want to make these members mutable. + // Just cast away constness in this one place. + LLTextViewModel* nthis = const_cast<LLTextViewModel*>(model); nthis->mUpdateFromDisplay = false; - nthis->mValue = wstring_to_utf8str(mDisplay); + nthis->mValue = nthis->mStringValue = wstring_to_utf8str(model->mDisplay); } - return LLViewModel::getValue(); } +LLSD LLTextViewModel::getValue() const +{ + updateFromDisplayIfNeeded(this); + return mValue; +} + +const std::string& LLTextViewModel::getStringValue() const +{ + updateFromDisplayIfNeeded(this); + return mStringValue; +} //////////////////////////////////////////////////////////////////////////// |