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Diffstat (limited to 'indra/newview/llpanelemojicomplete.cpp')
| -rw-r--r-- | indra/newview/llpanelemojicomplete.cpp | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/indra/newview/llpanelemojicomplete.cpp b/indra/newview/llpanelemojicomplete.cpp new file mode 100644 index 0000000000..8b89e3aa14 --- /dev/null +++ b/indra/newview/llpanelemojicomplete.cpp @@ -0,0 +1,321 @@ +/** +* @file llpanelemojicomplete.h +* @brief Header file for LLPanelEmojiComplete +* +* $LicenseInfo:firstyear=2012&license=lgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2011, 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 "llviewerprecompiledheaders.h" + +#include "llemojidictionary.h" +#include "llemojihelper.h" +#include "llpanelemojicomplete.h" +#include "lluictrlfactory.h" + +constexpr U32 MIN_MOUSE_MOVE_DELTA = 4; + +// ============================================================================ +// LLPanelEmojiComplete +// + +static LLDefaultChildRegistry::Register<LLPanelEmojiComplete> r("emoji_complete"); + +LLPanelEmojiComplete::Params::Params() + : autosize("autosize") + , max_emoji("max_emoji") + , padding("padding") + , selected_image("selected_image") +{ +} + +LLPanelEmojiComplete::LLPanelEmojiComplete(const LLPanelEmojiComplete::Params& p) + : LLUICtrl(p) + , mAutoSize(p.autosize) + , mMaxVisible(p.max_emoji) + , mPadding(p.padding) + , mSelectedImage(p.selected_image) +{ + setFont(p.font); +} + +LLPanelEmojiComplete::~LLPanelEmojiComplete() +{ +} + +void LLPanelEmojiComplete::draw() +{ + if (!mEmojis.empty()) + { + const S32 centerY = mRenderRect.getCenterY(); + const size_t firstVisibleIdx = mScrollPos, lastVisibleIdx = llmin(mScrollPos + mVisibleEmojis, mEmojis.size()) - 1; + + if (mCurSelected >= firstVisibleIdx && mCurSelected <= lastVisibleIdx) + { + const S32 emoji_left = mRenderRect.mLeft + (mCurSelected - firstVisibleIdx) * mEmojiWidth; + const S32 emoji_height = mFont->getLineHeight() + mPadding; + mSelectedImage->draw(emoji_left, centerY - emoji_height / 2, mEmojiWidth, emoji_height); + } + + U32 left = mRenderRect.mLeft + mPadding; + for (U32 curIdx = firstVisibleIdx; curIdx <= lastVisibleIdx; curIdx++) + { + mFont->render( + mEmojis, curIdx, + left, centerY, + LLColor4::white, LLFontGL::LEFT, LLFontGL::VCENTER, LLFontGL::NORMAL, LLFontGL::DROP_SHADOW_SOFT, + 1, S32_MAX, nullptr, false, true); + left += mEmojiWidth; + } + } +} + +BOOL LLPanelEmojiComplete::handleHover(S32 x, S32 y, MASK mask) +{ + LLVector2 curHover(x, y); + if ((mLastHover - curHover).lengthSquared() > MIN_MOUSE_MOVE_DELTA) + { + mCurSelected = posToIndex(x, y); + mLastHover = curHover; + } + + return TRUE; +} + +BOOL LLPanelEmojiComplete::handleKey(KEY key, MASK mask, BOOL called_from_parent) +{ + bool handled = false; + if (MASK_NONE == mask) + { + switch (key) + { + case KEY_LEFT: + case KEY_UP: + selectPrevious(); + handled = true; + break; + case KEY_RIGHT: + case KEY_DOWN: + selectNext(); + handled = true; + break; + case KEY_RETURN: + if (!mEmojis.empty()) + { + onCommit(); + handled = true; + } + break; + } + } + + if (handled) + { + return TRUE; + } + return LLUICtrl::handleKey(key, mask, called_from_parent); +} + +BOOL LLPanelEmojiComplete::handleMouseDown(S32 x, S32 y, MASK mask) +{ + mCurSelected = posToIndex(x, y); + mLastHover = LLVector2(x, y); + + return TRUE; +} + +BOOL LLPanelEmojiComplete::handleMouseUp(S32 x, S32 y, MASK mask) +{ + mCurSelected = posToIndex(x, y); + onCommit(); + + return TRUE; +} + +void LLPanelEmojiComplete::onCommit() +{ + if (npos != mCurSelected) + { + LLWString wstr; + wstr.push_back(mEmojis.at(mCurSelected)); + setValue(wstring_to_utf8str(wstr)); + LLUICtrl::onCommit(); + } +} + +void LLPanelEmojiComplete::reshape(S32 width, S32 height, BOOL called_from_parent) +{ + LLUICtrl::reshape(width, height, called_from_parent); + updateConstraints(); +} + +void LLPanelEmojiComplete::setEmojiHint(const std::string& hint) +{ + llwchar curEmoji = (mCurSelected < mEmojis.size()) ? mEmojis.at(mCurSelected) : 0; + + mEmojis = LLEmojiDictionary::instance().findMatchingEmojis(hint); + size_t curEmojiIdx = (curEmoji) ? mEmojis.find(curEmoji) : std::string::npos; + mCurSelected = (std::string::npos != curEmojiIdx) ? curEmojiIdx : 0; + + if (mAutoSize) + { + mVisibleEmojis = std::min(mEmojis.size(), mMaxVisible); + reshape(mVisibleEmojis * mEmojiWidth, getRect().getHeight(), false); + } + else + { + updateConstraints(); + } + + mScrollPos = llmin(mScrollPos, mEmojis.size()); +} + +size_t LLPanelEmojiComplete::posToIndex(S32 x, S32 y) const +{ + if (mRenderRect.pointInRect(x, y)) + { + return mScrollPos + llmin((size_t)x / mEmojiWidth, mEmojis.size() - 1); + } + return npos; +} + +void LLPanelEmojiComplete::select(size_t emoji_idx) +{ + mCurSelected = llclamp<size_t>(emoji_idx, 0, mEmojis.size()); + updateScrollPos(); +} + +void LLPanelEmojiComplete::selectNext() +{ + select(mCurSelected + 1 < mEmojis.size() ? mCurSelected + 1 : 0); +} + +void LLPanelEmojiComplete::selectPrevious() +{ + select(mCurSelected - 1 >= 0 ? mCurSelected - 1 : mEmojis.size() - 1); +} + +void LLPanelEmojiComplete::setFont(const LLFontGL* fontp) +{ + mFont = fontp; + updateConstraints(); +} + +void LLPanelEmojiComplete::updateConstraints() +{ + const S32 ctrlWidth = getLocalRect().getWidth(); + + mEmojiWidth = mFont->getWidthF32(u8"\U0001F431") + mPadding * 2; + mVisibleEmojis = ctrlWidth / mEmojiWidth; + mRenderRect = getLocalRect().stretch((ctrlWidth - mVisibleEmojis * mEmojiWidth) / -2, 0); + + updateScrollPos(); +} + +void LLPanelEmojiComplete::updateScrollPos() +{ + const size_t cntEmoji = mEmojis.size(); + if (0 == cntEmoji || cntEmoji < mVisibleEmojis || 0 == mCurSelected) + { + mScrollPos = 0; + } + else if (cntEmoji - 1 == mCurSelected) + { + mScrollPos = mCurSelected - mVisibleEmojis + 1; + } + else + { + mScrollPos = mCurSelected - ((float)mCurSelected / (cntEmoji - 2) * (mVisibleEmojis - 2)); + } +} + +// ============================================================================ +// LLFloaterEmojiComplete +// + +LLFloaterEmojiComplete::LLFloaterEmojiComplete(const LLSD& sdKey) + : LLFloater(sdKey) +{ + // This floater should hover on top of our dependent (with the dependent having the focus) + setFocusStealsFrontmost(false); + setAutoFocus(false); + setBackgroundVisible(false); + setIsChrome(true); +} + +BOOL LLFloaterEmojiComplete::handleKey(KEY key, MASK mask, BOOL called_from_parent) +{ + bool handled = false; + if (MASK_NONE == mask) + { + switch (key) + { + case KEY_ESCAPE: + LLEmojiHelper::instance().hideHelper(); + handled = true; + break; + } + + } + + if (handled) + return TRUE; + return LLFloater::handleKey(key, mask, called_from_parent); +} + +void LLFloaterEmojiComplete::onOpen(const LLSD& key) +{ + mEmojiCtrl->setEmojiHint(key["hint"].asString()); + if (0 == mEmojiCtrl->getEmojiCount()) + { + LLEmojiHelper::instance().hideHelper(); + } +} + +BOOL LLFloaterEmojiComplete::postBuild() +{ + mEmojiCtrl = findChild<LLPanelEmojiComplete>("emoji_complete_ctrl"); + mEmojiCtrl->setCommitCallback( + std::bind([&](const LLSD& sdValue) + { + setValue(sdValue); + onCommit(); + }, std::placeholders::_2)); + mEmojiCtrlHorz = getRect().getWidth() - mEmojiCtrl->getRect().getWidth(); + + return LLFloater::postBuild(); +} + +void LLFloaterEmojiComplete::reshape(S32 width, S32 height, BOOL called_from_parent) +{ + if (!called_from_parent) + { + LLRect rctFloater = getRect(), rctCtrl = mEmojiCtrl->getRect(); + rctFloater.mRight = rctFloater.mLeft + rctCtrl.getWidth() + mEmojiCtrlHorz; + setRect(rctFloater); + + return; + } + + LLFloater::reshape(width, height, called_from_parent); +} + +// ============================================================================ |