From b9de65d2750c0f5632116864af792c40078830ab Mon Sep 17 00:00:00 2001
From: Alexander Gavriliuk <alexandrgproductengine@lindenlab.com>
Date: Tue, 29 Aug 2023 15:07:41 +0200
Subject: SL-20209 Add 'noscroll' parameter to LLPanelEmojiComplete::Params

---
 indra/newview/llpanelemojicomplete.cpp | 25 ++++++++++++++++++++++---
 indra/newview/llpanelemojicomplete.h   | 17 ++++++++++++-----
 2 files changed, 34 insertions(+), 8 deletions(-)

(limited to 'indra/newview')

diff --git a/indra/newview/llpanelemojicomplete.cpp b/indra/newview/llpanelemojicomplete.cpp
index 8b89e3aa14..8fc84c0387 100644
--- a/indra/newview/llpanelemojicomplete.cpp
+++ b/indra/newview/llpanelemojicomplete.cpp
@@ -41,6 +41,7 @@ static LLDefaultChildRegistry::Register<LLPanelEmojiComplete> r("emoji_complete"
 
 LLPanelEmojiComplete::Params::Params()
 	: autosize("autosize")
+	, noscroll("noscroll")
 	, max_emoji("max_emoji")
 	, padding("padding")
 	, selected_image("selected_image")
@@ -50,6 +51,7 @@ LLPanelEmojiComplete::Params::Params()
 LLPanelEmojiComplete::LLPanelEmojiComplete(const LLPanelEmojiComplete::Params& p)
 	: LLUICtrl(p)
 	, mAutoSize(p.autosize)
+	, mNoScroll(p.noscroll)
 	, mMaxVisible(p.max_emoji)
 	, mPadding(p.padding)
 	, mSelectedImage(p.selected_image)
@@ -152,7 +154,7 @@ BOOL LLPanelEmojiComplete::handleMouseUp(S32 x, S32 y, MASK mask)
 
 void LLPanelEmojiComplete::onCommit()
 {
-	if (npos != mCurSelected)
+	if (mCurSelected < mEmojis.size())
 	{
 		LLWString wstr;
 		wstr.push_back(mEmojis.at(mCurSelected));
@@ -167,6 +169,14 @@ void LLPanelEmojiComplete::reshape(S32 width, S32 height, BOOL called_from_paren
 	updateConstraints();
 }
 
+void LLPanelEmojiComplete::setEmojis(const LLWString& emojis)
+{
+	mEmojis = emojis;
+	mCurSelected = 0;
+
+	onEmojisChanged();
+}
+
 void LLPanelEmojiComplete::setEmojiHint(const std::string& hint)
 {
 	llwchar curEmoji = (mCurSelected < mEmojis.size()) ? mEmojis.at(mCurSelected) : 0;
@@ -175,6 +185,11 @@ void LLPanelEmojiComplete::setEmojiHint(const std::string& hint)
 	size_t curEmojiIdx = (curEmoji) ? mEmojis.find(curEmoji) : std::string::npos;
 	mCurSelected = (std::string::npos != curEmojiIdx) ? curEmojiIdx : 0;
 
+	onEmojisChanged();
+}
+
+void LLPanelEmojiComplete::onEmojisChanged()
+{
 	if (mAutoSize)
 	{
 		mVisibleEmojis = std::min(mEmojis.size(), mMaxVisible);
@@ -233,9 +248,13 @@ void LLPanelEmojiComplete::updateConstraints()
 void LLPanelEmojiComplete::updateScrollPos()
 {
 	const size_t cntEmoji = mEmojis.size();
-	if (0 == cntEmoji || cntEmoji < mVisibleEmojis || 0 == mCurSelected)
+	if (mNoScroll || 0 == cntEmoji || cntEmoji < mVisibleEmojis || 0 == mCurSelected)
 	{
 		mScrollPos = 0;
+		if (mCurSelected >= mVisibleEmojis)
+		{
+			mCurSelected = mVisibleEmojis ? mVisibleEmojis - 1 : 0;
+		}
 	}
 	else if (cntEmoji - 1 == mCurSelected)
 	{
@@ -273,11 +292,11 @@ BOOL LLFloaterEmojiComplete::handleKey(KEY key, MASK mask, BOOL called_from_pare
 				handled = true;
 				break;
 		}
-
 	}
 
 	if (handled)
 		return TRUE;
+
 	return LLFloater::handleKey(key, mask, called_from_parent);
 }
 
diff --git a/indra/newview/llpanelemojicomplete.h b/indra/newview/llpanelemojicomplete.h
index aa0f806525..3456de4044 100644
--- a/indra/newview/llpanelemojicomplete.h
+++ b/indra/newview/llpanelemojicomplete.h
@@ -40,6 +40,7 @@ public:
 	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
 		Optional<bool>       autosize;
+		Optional<bool>       noscroll;
 		Optional<S32>        max_emoji,
 		                     padding;
 
@@ -50,6 +51,7 @@ public:
 
 protected:
 	LLPanelEmojiComplete(const LLPanelEmojiComplete::Params&);
+
 public:
 	virtual ~LLPanelEmojiComplete();
 
@@ -62,9 +64,13 @@ public:
 	void reshape(S32 width, S32 height, BOOL called_from_parent) override;
 
 public:
+	const LLWString& getEmojis() const { return mEmojis; }
 	size_t getEmojiCount() const { return mEmojis.size(); }
-	void   setEmojiHint(const std::string& hint);
+	void setEmojis(const LLWString& emojis);
+	void setEmojiHint(const std::string& hint);
+
 protected:
+	void LLPanelEmojiComplete::onEmojisChanged();
 	size_t posToIndex(S32 x, S32 y) const;
 	void select(size_t emoji_idx);
 	void selectNext();
@@ -76,13 +82,14 @@ protected:
 protected:
 	static constexpr auto npos = std::numeric_limits<size_t>::max();
 
-	bool            mAutoSize = false;
+	const bool      mAutoSize = false;
+	const bool      mNoScroll = false;
 	const LLFontGL* mFont;
 	U16             mEmojiWidth = 0;
-	size_t          mMaxVisible = 0;
-	S32             mPadding = 8;
+	const size_t    mMaxVisible = 0;
+	const S32       mPadding = 8;
 	LLRect          mRenderRect;
-	LLUIImagePtr	mSelectedImage;
+	const LLUIImagePtr mSelectedImage;
 
 	LLWString       mEmojis;
 	size_t          mVisibleEmojis = 0;
-- 
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