From 409b9eebe12b864280ead8e3c537a73e40548b97 Mon Sep 17 00:00:00 2001
From: Rye Mutt <rye@alchemyviewer.org>
Date: Sun, 4 Aug 2024 20:02:53 -0400
Subject: Fix chat text segments not dynamically updating when colors changed
 in preferences

---
 indra/llui/lllineeditor.h   |  2 +-
 indra/llui/llstyle.cpp      |  6 ++--
 indra/llui/llstyle.h        | 18 +++++++----
 indra/llui/lltextbase.cpp   | 12 +++----
 indra/llui/lltextparser.cpp | 78 ++++++++++++++++++++++-----------------------
 indra/llui/lltextparser.h   |  5 ++-
 6 files changed, 64 insertions(+), 57 deletions(-)

(limited to 'indra/llui')

diff --git a/indra/llui/lllineeditor.h b/indra/llui/lllineeditor.h
index 22ec9ecc8a..cdd22413e7 100644
--- a/indra/llui/lllineeditor.h
+++ b/indra/llui/lllineeditor.h
@@ -204,7 +204,7 @@ public:
     void            setText(const LLStringExplicit &new_text);
 
     const std::string& getText() const override { return mText.getString(); }
-    LLWString       getWText() const    { return mText.getWString(); }
+    const LLWString&   getWText() const    { return mText.getWString(); }
     LLWString getConvertedText() const; // trimmed text with paragraphs converted to newlines
 
     S32             getLength() const   { return mText.length(); }
diff --git a/indra/llui/llstyle.cpp b/indra/llui/llstyle.cpp
index abf6e1284b..df4b0ef6a0 100644
--- a/indra/llui/llstyle.cpp
+++ b/indra/llui/llstyle.cpp
@@ -33,11 +33,12 @@
 #include "llui.h"
 
 LLStyle::Params::Params()
-:   visible("visible", true),
+    : visible("visible", true),
     drop_shadow("drop_shadow", LLFontGL::NO_SHADOW),
     color("color", LLColor4::black),
     readonly_color("readonly_color", LLColor4::black),
     selected_color("selected_color", LLColor4::black),
+    alpha("alpha", 1.f),
     font("font", LLFontGL::getFontMonospace()),
     image("image"),
     link_href("href"),
@@ -54,7 +55,8 @@ LLStyle::LLStyle(const LLStyle::Params& p)
     mLink(p.link_href),
     mIsLink(p.is_link.isProvided() ? p.is_link : !p.link_href().empty()),
     mDropShadow(p.drop_shadow),
-    mImagep(p.image())
+    mImagep(p.image()),
+    mAlpha(p.alpha)
 {}
 
 void LLStyle::setFont(const LLFontGL* font)
diff --git a/indra/llui/llstyle.h b/indra/llui/llstyle.h
index 7dbccfff87..e506895de5 100644
--- a/indra/llui/llstyle.h
+++ b/indra/llui/llstyle.h
@@ -44,6 +44,7 @@ public:
         Optional<LLUIColor>             color,
                                         readonly_color,
                                         selected_color;
+        Optional<F32>                   alpha;
         Optional<const LLFontGL*>       font;
         Optional<LLUIImage*>            image;
         Optional<std::string>           link_href;
@@ -61,6 +62,9 @@ public:
     const LLUIColor& getSelectedColor() const { return mSelectedColor; }
     void setSelectedColor(const LLUIColor& color) { mSelectedColor = color; }
 
+    F32 getAlpha() const { return mAlpha; }
+    void setAlpha(F32 alpha) { mAlpha = alpha; }
+
     bool isVisible() const;
     void setVisible(bool is_visible);
 
@@ -89,7 +93,8 @@ public:
             && mFont == rhs.mFont
             && mLink == rhs.mLink
             && mImagep == rhs.mImagep
-            && mDropShadow == rhs.mDropShadow;
+            && mDropShadow == rhs.mDropShadow
+            && mAlpha == rhs.mAlpha;
     }
 
     bool operator!=(const LLStyle& rhs) const { return !(*this == rhs); }
@@ -98,18 +103,19 @@ public:
     LLFontGL::ShadowType        mDropShadow;
 
 protected:
-    ~LLStyle() { }
+    ~LLStyle() = default;
 
 private:
-    bool                mVisible;
+    std::string         mFontName;
+    std::string         mLink;
     LLUIColor           mColor;
     LLUIColor           mReadOnlyColor;
     LLUIColor           mSelectedColor;
-    std::string         mFontName;
     const LLFontGL*     mFont;
-    std::string         mLink;
-    bool                mIsLink;
     LLPointer<LLUIImage> mImagep;
+    F32                 mAlpha;
+    bool                mVisible;
+    bool                mIsLink;
 };
 
 typedef LLPointer<LLStyle> LLStyleSP;
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index e09fef40df..0aebf7543c 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -2417,16 +2417,14 @@ void LLTextBase::appendAndHighlightTextImpl(const std::string &new_text, S32 hig
     {
         LLStyle::Params highlight_params(style_params);
 
-        LLSD pieces = LLTextParser::instance().parsePartialLineHighlights(new_text, highlight_params.color(), (LLTextParser::EHighlightPosition)highlight_part);
+        auto pieces = LLTextParser::instance().parsePartialLineHighlights(new_text, highlight_params.color, (LLTextParser::EHighlightPosition)highlight_part);
         for (S32 i = 0; i < pieces.size(); i++)
         {
-            LLSD color_llsd = pieces[i]["color"];
-            LLColor4 lcolor;
-            lcolor.setValue(color_llsd);
-            highlight_params.color = lcolor;
+            const auto& piece_pair = pieces[i];
+            highlight_params.color = piece_pair.second;
 
             LLWString wide_text;
-            wide_text = utf8str_to_wstring(pieces[i]["text"].asString());
+            wide_text = utf8str_to_wstring(piece_pair.first);
 
             S32 cur_length = getLength();
             LLStyleConstSP sp(new LLStyle(highlight_params));
@@ -3333,7 +3331,7 @@ F32 LLNormalTextSegment::drawClippedSegment(S32 seg_start, S32 seg_end, S32 sele
 
     const LLFontGL* font = mStyle->getFont();
 
-    LLColor4 color = (mEditor.getReadOnly() ? mStyle->getReadOnlyColor() : mStyle->getColor())  % alpha;
+    LLColor4 color = (mEditor.getReadOnly() ? mStyle->getReadOnlyColor() : mStyle->getColor())  % (alpha * mStyle->getAlpha());
 
     if( selection_start > seg_start )
     {
diff --git a/indra/llui/lltextparser.cpp b/indra/llui/lltextparser.cpp
index 097b168106..d4ef77664e 100644
--- a/indra/llui/lltextparser.cpp
+++ b/indra/llui/lltextparser.cpp
@@ -36,6 +36,7 @@
 #include "llmath.h"
 #include "v4color.h"
 #include "lldir.h"
+#include "lluicolor.h"
 
 //
 // Member Functions
@@ -80,14 +81,14 @@ S32 LLTextParser::findPattern(const std::string &text, LLSD highlight)
     return static_cast<S32>(found);
 }
 
-LLSD LLTextParser::parsePartialLineHighlights(const std::string &text, const LLColor4 &color, EHighlightPosition part, S32 index)
+LLTextParser::parser_out_vec_t LLTextParser::parsePartialLineHighlights(const std::string &text, const LLUIColor& color, EHighlightPosition part, S32 index)
 {
     loadKeywords();
 
     //evil recursive string atomizer.
-    LLSD ret_llsd, start_llsd, middle_llsd, end_llsd;
+    parser_out_vec_t ret_vec, start_vec, middle_vec, end_vec;
 
-    for (S32 i=index;i<mHighlights.size();i++)
+    for (S32 i=index, size = (S32)mHighlights.size();i< size;i++)
     {
         S32 condition = mHighlights[i]["condition"];
         if ((S32)mHighlights[i]["highlight"]==PART && condition!=MATCHES)
@@ -104,72 +105,69 @@ LLSD LLTextParser::parsePartialLineHighlights(const std::string &text, const LLC
                     EHighlightPosition newpart;
                     if (start==0)
                     {
-                        start_llsd[0]["text"] =text.substr(0,end);
-                        start_llsd[0]["color"]=mHighlights[i]["color"];
+                        if (start_vec.empty())
+                        {
+                            start_vec.push_back(std::make_pair(text.substr(0, end), LLColor4(mHighlights[i]["color"])));
+                        }
+                        else
+                        {
+                            start_vec[0] = std::make_pair(text.substr(0, end), LLColor4(mHighlights[i]["color"]));
+                        }
 
                         if (end < len)
                         {
                             if (part==END   || part==WHOLE) newpart=END; else newpart=MIDDLE;
-                            end_llsd=parsePartialLineHighlights(text.substr( end ),color,newpart,i);
+                            end_vec = parsePartialLineHighlights(text.substr( end ),color,newpart,i);
                         }
                     }
                     else
                     {
                         if (part==START || part==WHOLE) newpart=START; else newpart=MIDDLE;
 
-                        start_llsd=parsePartialLineHighlights(text.substr(0,start),color,newpart,i+1);
+                        start_vec = parsePartialLineHighlights(text.substr(0,start),color,newpart,i+1);
 
                         if (end < len)
                         {
-                            middle_llsd[0]["text"] =text.substr(start,end);
-                            middle_llsd[0]["color"]=mHighlights[i]["color"];
+                            if (middle_vec.empty())
+                            {
+                                middle_vec.push_back(std::make_pair(text.substr(start, end), LLColor4(mHighlights[i]["color"])));
+                            }
+                            else
+                            {
+                                middle_vec[0] = std::make_pair(text.substr(start, end), LLColor4(mHighlights[i]["color"]));
+                            }
 
                             if (part==END   || part==WHOLE) newpart=END; else newpart=MIDDLE;
 
-                            end_llsd=parsePartialLineHighlights(text.substr( (start+end) ),color,newpart,i);
+                            end_vec = parsePartialLineHighlights(text.substr( (start+end) ),color,newpart,i);
                         }
                         else
                         {
-                            end_llsd[0]["text"] =text.substr(start,end);
-                            end_llsd[0]["color"]=mHighlights[i]["color"];
+                            if (end_vec.empty())
+                            {
+                                end_vec.push_back(std::make_pair(text.substr(start, end), LLColor4(mHighlights[i]["color"])));
+                            }
+                            else
+                            {
+                                end_vec[0] = std::make_pair(text.substr(start, end), LLColor4(mHighlights[i]["color"]));
+                            }
                         }
                     }
 
-                    S32 retcount=0;
-
-                    //FIXME These loops should be wrapped into a subroutine.
-                    for (LLSD::array_iterator iter = start_llsd.beginArray();
-                         iter != start_llsd.endArray();++iter)
-                    {
-                        LLSD highlight = *iter;
-                        ret_llsd[retcount++]=highlight;
-                    }
-
-                    for (LLSD::array_iterator iter = middle_llsd.beginArray();
-                         iter != middle_llsd.endArray();++iter)
-                    {
-                        LLSD highlight = *iter;
-                        ret_llsd[retcount++]=highlight;
-                    }
-
-                    for (LLSD::array_iterator iter = end_llsd.beginArray();
-                         iter != end_llsd.endArray();++iter)
-                    {
-                        LLSD highlight = *iter;
-                        ret_llsd[retcount++]=highlight;
-                    }
+                    ret_vec.reserve(start_vec.size() + middle_vec.size() + end_vec.size());
+                    ret_vec.insert(ret_vec.end(), start_vec.begin(), start_vec.end());
+                    ret_vec.insert(ret_vec.end(), middle_vec.begin(), middle_vec.end());
+                    ret_vec.insert(ret_vec.end(), end_vec.begin(), end_vec.end());
 
-                    return ret_llsd;
+                    return ret_vec;
                 }
             }
         }
     }
 
     //No patterns found.  Just send back what was passed in.
-    ret_llsd[0]["text"] =text;
-    LLSD color_sd = color.getValue();
-    ret_llsd[0]["color"]=color_sd;
-    return ret_llsd;
+    ret_vec.push_back(std::make_pair(text, color));
+    return ret_vec;
 }
 
 bool LLTextParser::parseFullLineHighlights(const std::string &text, LLColor4 *color)
diff --git a/indra/llui/lltextparser.h b/indra/llui/lltextparser.h
index 20fcc07e4c..c5756f9b4c 100644
--- a/indra/llui/lltextparser.h
+++ b/indra/llui/lltextparser.h
@@ -30,6 +30,7 @@
 
 #include "llsd.h"
 #include "llsingleton.h"
+#include "lluicolor.h"
 
 class LLUUID;
 class LLVector3d;
@@ -45,7 +46,9 @@ public:
     typedef enum e_highlight_position { WHOLE, START, MIDDLE, END } EHighlightPosition;
     typedef enum e_dialog_action { ACTION_NONE, ACTION_CLOSE, ACTION_ADD, ACTION_COPY, ACTION_UPDATE } EDialogAction;
 
-    LLSD parsePartialLineHighlights(const std::string &text,const LLColor4 &color, EHighlightPosition part=WHOLE, S32 index=0);
+    using parser_out_vec_t = std::vector<std::pair<std::string, LLUIColor>>;
+
+    parser_out_vec_t parsePartialLineHighlights(const std::string &text,const LLUIColor &color, EHighlightPosition part=WHOLE, S32 index=0);
     bool parseFullLineHighlights(const std::string &text, LLColor4 *color);
 
 private:
-- 
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