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Diffstat (limited to 'indra/newview/llpanelemojicomplete.cpp')
| -rw-r--r-- | indra/newview/llpanelemojicomplete.cpp | 579 |
1 files changed, 579 insertions, 0 deletions
diff --git a/indra/newview/llpanelemojicomplete.cpp b/indra/newview/llpanelemojicomplete.cpp new file mode 100644 index 0000000000..e6e3a10e13 --- /dev/null +++ b/indra/newview/llpanelemojicomplete.cpp @@ -0,0 +1,579 @@ +/** +* @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 "llscrollbar.h" +#include "lluictrlfactory.h" + +constexpr U32 MIN_MOUSE_MOVE_DELTA = 4; +constexpr U32 MIN_SHORT_CODE_WIDTH = 100; +constexpr U32 DEF_PADDING = 8; + +// ============================================================================ +// LLPanelEmojiComplete +// + +static LLDefaultChildRegistry::Register<LLPanelEmojiComplete> r("emoji_complete"); + +LLPanelEmojiComplete::Params::Params() + : autosize("autosize") + , noscroll("noscroll") + , vertical("vertical") + , max_visible("max_visible") + , padding("padding", DEF_PADDING) + , selected_image("selected_image") +{ +} + +LLPanelEmojiComplete::LLPanelEmojiComplete(const LLPanelEmojiComplete::Params& p) + : LLUICtrl(p) + , mAutoSize(p.autosize) + , mNoScroll(p.noscroll) + , mVertical(p.vertical) + , mMaxVisible(p.max_visible) + , mPadding(p.padding) + , mSelectedImage(p.selected_image) + , mIconFont(LLFontGL::getFontEmojiHuge()) + , mTextFont(LLFontGL::getFontSansSerifBig()) + , mScrollbar(nullptr) +{ + if (mVertical) + { + LLScrollbar::Params sbparams; + sbparams.orientation(LLScrollbar::VERTICAL); + sbparams.change_callback([this](S32 index, LLScrollbar*) { onScrollbarChange(index); }); + mScrollbar = LLUICtrlFactory::create<LLScrollbar>(sbparams); + addChild(mScrollbar); + } +} + +LLPanelEmojiComplete::~LLPanelEmojiComplete() +{ +} + +void LLPanelEmojiComplete::draw() +{ + LLUICtrl::draw(); + + if (!mTotalEmojis) + return; + + const size_t firstVisibleIdx = mScrollPos; + const size_t lastVisibleIdx = llmin(mScrollPos + mVisibleEmojis, mTotalEmojis); + + if (mCurSelected >= firstVisibleIdx && mCurSelected < lastVisibleIdx) + { + S32 x, y, width, height; + if (mVertical) + { + x = mRenderRect.mLeft; + y = mRenderRect.mTop - (mCurSelected - firstVisibleIdx + 1) * mEmojiHeight; + width = mRenderRect.getWidth(); + height = mEmojiHeight; + } + else + { + x = mRenderRect.mLeft + (mCurSelected - firstVisibleIdx) * mEmojiWidth; + y = mRenderRect.mBottom; + width = mEmojiWidth; + height = mRenderRect.getHeight(); + } + mSelectedImage->draw(x, y, width, height); + } + + F32 iconCenterX = mRenderRect.mLeft + (F32)mEmojiWidth / 2; + F32 iconCenterY = mRenderRect.mTop - (F32)mEmojiHeight / 2; + F32 textLeft = mVertical ? mRenderRect.mLeft + mEmojiWidth + mPadding : 0; + F32 textWidth = mVertical ? getRect().getWidth() - textLeft - mPadding : 0; + + for (U32 curIdx = firstVisibleIdx; curIdx < lastVisibleIdx; curIdx++) + { + LLWString text(1, mEmojis[curIdx].Character); + mIconFont->render(text, 0, iconCenterX, iconCenterY, + LLColor4::white, LLFontGL::HCENTER, LLFontGL::VCENTER, LLFontGL::NORMAL, + LLFontGL::DROP_SHADOW_SOFT, 1); + if (mVertical) + { + const std::string& shortCode = mEmojis[curIdx].String; + F32 x0 = textLeft; + F32 x1 = textWidth; + if (mEmojis[curIdx].Begin) + { + std::string text = shortCode.substr(0, mEmojis[curIdx].Begin); + mTextFont->renderUTF8(text, 0, x0, iconCenterY, LLColor4::white, + LLFontGL::LEFT, LLFontGL::VCENTER, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, + text.size(), x1); + x0 += mTextFont->getWidthF32(text); + x1 = textLeft + textWidth - x0; + } + if (x1 > 0 && mEmojis[curIdx].End > mEmojis[curIdx].Begin) + { + std::string text = shortCode.substr(mEmojis[curIdx].Begin, mEmojis[curIdx].End - mEmojis[curIdx].Begin); + mTextFont->renderUTF8(text, 0, x0, iconCenterY, LLColor4::yellow6, + LLFontGL::LEFT, LLFontGL::VCENTER, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, + text.size(), x1); + x0 += mTextFont->getWidthF32(text); + x1 = textLeft + textWidth - x0; + } + if (x1 > 0 && mEmojis[curIdx].End < shortCode.size()) + { + std::string text = shortCode.substr(mEmojis[curIdx].End); + mTextFont->renderUTF8(text, 0, x0, iconCenterY, LLColor4::white, + LLFontGL::LEFT, LLFontGL::VCENTER, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, + text.size(), x1); + } + iconCenterY -= mEmojiHeight; + } + else + { + iconCenterX += mEmojiWidth; + } + } +} + +BOOL LLPanelEmojiComplete::handleHover(S32 x, S32 y, MASK mask) +{ + if (mScrollbar && mScrollbar->getVisible() && childrenHandleHover(x, y, mask)) + return TRUE; + + LLVector2 curHover(x, y); + if ((mLastHover - curHover).lengthSquared() > MIN_MOUSE_MOVE_DELTA) + { + size_t index = posToIndex(x, y); + if (index < mTotalEmojis) + mCurSelected = index; + mLastHover = curHover; + } + + return TRUE; +} + +BOOL LLPanelEmojiComplete::handleKey(KEY key, MASK mask, BOOL called_from_parent) +{ + bool handled = false; + if (mTotalEmojis && MASK_NONE == mask) + { + switch (key) + { + case KEY_HOME: + select(0); + handled = true; + break; + + case KEY_END: + select(mTotalEmojis - 1); + handled = true; + break; + + case KEY_PAGE_DOWN: + select(mCurSelected + mVisibleEmojis - 1); + handled = true; + break; + + case KEY_PAGE_UP: + select(mCurSelected - llmin(mCurSelected, mVisibleEmojis + 1)); + handled = true; + break; + + case KEY_LEFT: + case KEY_UP: + selectPrevious(); + handled = true; + break; + + case KEY_RIGHT: + case KEY_DOWN: + selectNext(); + handled = true; + break; + + case KEY_RETURN: + 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) +{ + if (mScrollbar && mScrollbar->getVisible() && childrenHandleMouseDown(x, y, mask)) + return TRUE; + + mCurSelected = posToIndex(x, y); + mLastHover = LLVector2(x, y); + + return TRUE; +} + +BOOL LLPanelEmojiComplete::handleMouseUp(S32 x, S32 y, MASK mask) +{ + if (mScrollbar && mScrollbar->getVisible() && childrenHandleMouseUp(x, y, mask)) + return TRUE; + + mCurSelected = posToIndex(x, y); + onCommit(); + + return TRUE; +} + +BOOL LLPanelEmojiComplete::handleScrollWheel(S32 x, S32 y, S32 clicks) +{ + if (mNoScroll) + return FALSE; + + if (mScrollbar && mScrollbar->getVisible() && mScrollbar->handleScrollWheel(x, y, clicks)) + { + mCurSelected = posToIndex(x, y); + return TRUE; + } + + if (mTotalEmojis > mVisibleEmojis) + { + // In case of wheel up (clicks < 0) we shouldn't subtract more than value of mScrollPos + // Example: if mScrollPos = 0, clicks = -1 then (mScrollPos + clicks) becomes SIZE_MAX + // As a result of llclamp<size_t>() mScrollPos becomes (mTotalEmojis - mVisibleEmojis) + S32 newScrollPos = llmax(0, (S32)mScrollPos + clicks); + mScrollPos = llclamp<size_t>((size_t)newScrollPos, 0, mTotalEmojis - mVisibleEmojis); + mCurSelected = posToIndex(x, y); + return TRUE; + } + + return FALSE; +} + +void LLPanelEmojiComplete::onCommit() +{ + if (mCurSelected < mTotalEmojis) + { + LLSD value(wstring_to_utf8str(LLWString(1, mEmojis[mCurSelected].Character))); + setValue(value); + LLUICtrl::onCommit(); + } +} + +void LLPanelEmojiComplete::reshape(S32 width, S32 height, BOOL called_from_parent) +{ + LLUICtrl::reshape(width, height, called_from_parent); + if (mAutoSize) + { + updateConstraints(); + } + else + { + onEmojisChanged(); + } +} + +void LLPanelEmojiComplete::setEmojis(const LLWString& emojis) +{ + mEmojis.clear(); + + auto& emoji2descr = LLEmojiDictionary::instance().getEmoji2Descr(); + for (const llwchar& emoji : emojis) + { + std::string shortCode; + if (mVertical) + { + auto it = emoji2descr.find(emoji); + if (it != emoji2descr.end() && !it->second->ShortCodes.empty()) + { + shortCode = it->second->ShortCodes.front(); + } + } + mEmojis.emplace_back(emoji, shortCode, 0, 0); + } + + mTotalEmojis = mEmojis.size(); + mCurSelected = 0; + + onEmojisChanged(); +} + +void LLPanelEmojiComplete::setEmojiHint(const std::string& hint) +{ + llwchar curEmoji = mCurSelected < mTotalEmojis ? mEmojis[mCurSelected].Character : 0; + + LLEmojiDictionary::instance().findByShortCode(mEmojis, hint); + mTotalEmojis = mEmojis.size(); + + mCurSelected = 0; + for (size_t i = 1; i < mTotalEmojis; ++i) + { + if (mEmojis[i].Character == curEmoji) + { + mCurSelected = i; + break; + } + } + + onEmojisChanged(); +} + +U32 LLPanelEmojiComplete::getMaxShortCodeWidth() const +{ + U32 max_width = 0; + for (const LLEmojiSearchResult& result : mEmojis) + { + S32 width = mTextFont->getWidth(result.String); + if (width > max_width) + { + max_width = width; + } + } + return max_width; +} + +void LLPanelEmojiComplete::onEmojisChanged() +{ + if (mAutoSize) + { + S32 width, height; + mVisibleEmojis = llmin(mTotalEmojis, mMaxVisible); + if (mVertical) + { + U32 maxShortCodeWidth = getMaxShortCodeWidth(); + U32 shortCodeWidth = llmax(maxShortCodeWidth, MIN_SHORT_CODE_WIDTH); + width = mEmojiWidth + shortCodeWidth + mPadding * 2; + if (!mNoScroll && mVisibleEmojis < mTotalEmojis) + { + width += mScrollbar->getThickness(); + } + height = mVisibleEmojis * mEmojiHeight; + } + else + { + width = mVisibleEmojis * mEmojiWidth; + height = getRect().getHeight(); + } + LLUICtrl::reshape(width, height, false); + } + else + { + mVisibleEmojis = mVertical ? + mEmojiHeight ? getRect().getHeight() / mEmojiHeight : 0 : + mEmojiWidth ? getRect().getWidth() / mEmojiWidth : 0; + } + + updateConstraints(); +} + +void LLPanelEmojiComplete::onScrollbarChange(S32 index) +{ + mScrollPos = llclamp<size_t>(index, 0, mTotalEmojis - mVisibleEmojis); +} + +size_t LLPanelEmojiComplete::posToIndex(S32 x, S32 y) const +{ + if (mRenderRect.pointInRect(x, y)) + { + U32 pos = mVertical ? (U32)(mRenderRect.mTop - y) / mEmojiHeight : x / mEmojiWidth; + return llmin(mScrollPos + pos, mTotalEmojis - 1); + } + return std::string::npos; +} + +void LLPanelEmojiComplete::select(size_t emoji_idx) +{ + mCurSelected = llclamp<size_t>(emoji_idx, 0, mTotalEmojis - 1); + + updateScrollPos(); +} + +void LLPanelEmojiComplete::selectNext() +{ + if (!mTotalEmojis) + return; + + mCurSelected = (mCurSelected < mTotalEmojis - 1) ? mCurSelected + 1 : 0; + + updateScrollPos(); +} + +void LLPanelEmojiComplete::selectPrevious() +{ + if (!mTotalEmojis) + return; + + mCurSelected = (mCurSelected && mCurSelected < mTotalEmojis) ? mCurSelected - 1 : mTotalEmojis - 1; + + updateScrollPos(); +} + +void LLPanelEmojiComplete::updateConstraints() +{ + mRenderRect = getLocalRect(); + + mEmojiWidth = mIconFont->getWidthF32(u8"\U0001F431") + mPadding * 2; + if (mVertical) + { + mEmojiHeight = mIconFont->getLineHeight() + mPadding * 2; + if (!mNoScroll && mVisibleEmojis < mTotalEmojis) + { + mRenderRect.mRight -= mScrollbar->getThickness(); + mScrollbar->setDocSize(mTotalEmojis); + mScrollbar->setPageSize(mVisibleEmojis); + mScrollbar->setOrigin(mRenderRect.mRight, 0); + mScrollbar->reshape(mScrollbar->getThickness(), mRenderRect.mTop, TRUE); + mScrollbar->setVisible(TRUE); + } + else + { + mScrollbar->setVisible(FALSE); + } + } + else + { + mEmojiHeight = mRenderRect.getHeight(); + mRenderRect.stretch((mRenderRect.getWidth() - mVisibleEmojis * mEmojiWidth) / -2, 0); + } + + updateScrollPos(); +} + +void LLPanelEmojiComplete::updateScrollPos() +{ + if (mNoScroll || 0 == mTotalEmojis || mTotalEmojis < mVisibleEmojis || 0 == mCurSelected) + { + mScrollPos = 0; + if (mCurSelected >= mVisibleEmojis) + { + mCurSelected = mVisibleEmojis ? mVisibleEmojis - 1 : 0; + } + } + else if (mTotalEmojis - 1 == mCurSelected) + { + mScrollPos = mTotalEmojis - mVisibleEmojis; + } + else + { + mScrollPos = mCurSelected - ((float)mCurSelected / (mTotalEmojis - 2) * (mVisibleEmojis - 2)); + } + + if (mScrollbar && mScrollbar->getVisible()) + { + mScrollbar->setDocPos(mScrollPos); + } +} + +// ============================================================================ +// 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(); + return; + } + + if (mEmojiCtrl->isAutoSize()) + { + LLRect outer_rect = getRect(); + const LLRect& inner_rect = mEmojiCtrl->getRect(); + outer_rect.mTop = outer_rect.mBottom + inner_rect.mBottom * 2 + inner_rect.getHeight(); + outer_rect.mRight = outer_rect.mLeft + inner_rect.mLeft * 2 + inner_rect.getWidth(); + setRect(outer_rect); + } + + gFloaterView->adjustToFitScreen(this, FALSE); +} + +BOOL LLFloaterEmojiComplete::postBuild() +{ + mEmojiCtrl = findChild<LLPanelEmojiComplete>("emoji_complete_ctrl"); + mEmojiCtrl->setCommitCallback( + [this](LLUICtrl* ctrl, const LLSD& param) + { + setValue(param); + onCommit(); + }); + + mEmojiCtrlHorz = getRect().getWidth() - mEmojiCtrl->getRect().getWidth(); + mEmojiCtrlVert = getRect().getHeight() - mEmojiCtrl->getRect().getHeight(); + + return LLFloater::postBuild(); +} + +void LLFloaterEmojiComplete::reshape(S32 width, S32 height, BOOL called_from_parent) +{ + if (called_from_parent) + { + LLFloater::reshape(width, height, called_from_parent); + } + else + { + LLRect outer(getRect()), inner(mEmojiCtrl->getRect()); + outer.mRight = outer.mLeft + inner.getWidth() + mEmojiCtrlHorz; + outer.mTop = outer.mBottom + inner.getHeight() + mEmojiCtrlVert; + setRect(outer); + } +} + +// ============================================================================ |