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Diffstat (limited to 'indra/llui/llemojihelper.cpp')
| -rw-r--r-- | indra/llui/llemojihelper.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/indra/llui/llemojihelper.cpp b/indra/llui/llemojihelper.cpp new file mode 100644 index 0000000000..d4c31ee986 --- /dev/null +++ b/indra/llui/llemojihelper.cpp @@ -0,0 +1,142 @@ +/** +* @file llemojihelper.h +* @brief Header file for LLEmojiHelper +* +* $LicenseInfo:firstyear=2014&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2014, 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 "llemojidictionary.h" +#include "llemojihelper.h" +#include "llfloater.h" +#include "llfloaterreg.h" +#include "lluictrl.h" + +// ============================================================================ +// Constants +// + +constexpr char DEFAULT_EMOJI_HELPER_FLOATER[] = "emoji_complete"; +constexpr S32 HELPER_FLOATER_OFFSET_X = 20; +constexpr S32 HELPER_FLOATER_OFFSET_Y = 0; + +// ============================================================================ +// LLEmojiHelper +// + +std::string LLEmojiHelper::getToolTip(llwchar ch) const +{ + return LLEmojiDictionary::instance().getNameFromEmoji(ch); +} + +bool LLEmojiHelper::isActive(const LLUICtrl* ctrl_p) const +{ + return mHostHandle.get() == ctrl_p; +} + +// static +bool LLEmojiHelper::isCursorInEmojiCode(const LLWString& wtext, S32 cursorPos, S32* pShortCodePos) +{ + S32 shortCodePos = cursorPos; + + while (shortCodePos > 1 && + (LLStringOps::isAlnum(wtext[shortCodePos - 1]) || wtext[shortCodePos - 1] == L'-' || wtext[shortCodePos - 1] == L'_') ) + { + shortCodePos--; + } + + bool isShortCode = (L':' == wtext[shortCodePos - 1]) && (cursorPos - shortCodePos >= 2); + if (pShortCodePos) + *pShortCodePos = (isShortCode) ? shortCodePos - 1 : -1; + return isShortCode; +} + +void LLEmojiHelper::showHelper(LLUICtrl* hostctrl_p, S32 local_x, S32 local_y, const std::string& short_code, std::function<void(LLWString)> cb) +{ + if (mHelperHandle.isDead()) + { + LLFloater* pHelperFloater = LLFloaterReg::getInstance(DEFAULT_EMOJI_HELPER_FLOATER); + mHelperHandle = pHelperFloater->getHandle(); + mHelperCommitConn = pHelperFloater->setCommitCallback(std::bind([&](const LLSD& sdValue) { onCommitEmoji(utf8str_to_wstring(sdValue.asStringRef())); }, std::placeholders::_2)); + } + setHostCtrl(hostctrl_p); + mEmojiCommitCb = cb; + + S32 floater_x, floater_y; + if (!hostctrl_p->localPointToOtherView(local_x, local_y, &floater_x, &floater_y, gFloaterView)) + { + LL_ERRS() << "Cannot show emoji helper for non-floater controls." << LL_ENDL; + return; + } + + LLFloater* pHelperFloater = mHelperHandle.get(); + LLRect rct = pHelperFloater->getRect(); + rct.setLeftTopAndSize(floater_x - HELPER_FLOATER_OFFSET_X, floater_y - HELPER_FLOATER_OFFSET_Y + rct.getHeight(), rct.getWidth(), rct.getHeight()); + pHelperFloater->setRect(rct); + pHelperFloater->openFloater(LLSD().with("hint", short_code)); +} + +void LLEmojiHelper::hideHelper(const LLUICtrl* ctrl_p) +{ + setHostCtrl(nullptr); +} + +bool LLEmojiHelper::handleKey(const LLUICtrl* ctrl_p, KEY key, MASK mask) +{ + if (mHelperHandle.isDead() || !isActive(ctrl_p)) + { + return false; + } + + return mHelperHandle.get()->handleKey(key, mask, true); +} + +void LLEmojiHelper::onCommitEmoji(const LLWString& wstr) +{ + if (!mHostHandle.isDead() && mEmojiCommitCb) + { + mEmojiCommitCb(wstr); + } +} + +void LLEmojiHelper::setHostCtrl(LLUICtrl* hostctrl_p) +{ + const LLUICtrl* pCurHostCtrl = mHostHandle.get(); + if (pCurHostCtrl != hostctrl_p) + { + mHostCtrlFocusLostConn.disconnect(); + mHostHandle.markDead(); + mEmojiCommitCb = {}; + + if (!mHelperHandle.isDead()) + { + mHelperHandle.get()->closeFloater(); + } + + if (hostctrl_p) + { + mHostHandle = hostctrl_p->getHandle(); + mHostCtrlFocusLostConn = hostctrl_p->setFocusLostCallback(std::bind([&]() { hideHelper(getHostCtrl()); })); + } + } +} |