uistyle: Support rendering of strikethrough'd text

As defined in [1], format code 0x1e indicates text that is struck
through. Add support for rendering this accordingly.

Extend the stylesheet parser so the format can be defined, and
add to the default stylesheet.

[1] https://modern.ircdocs.horse/formatting.html#strikethrough

diff --git a/data/stylesheets/default.qss b/data/stylesheets/default.qss
index 506dda9..6027980 100644 (file)
--- a/data/stylesheets/default.qss
+++ b/data/stylesheets/default.qss
@@ -77,9 +77,10 @@ ChatLine[fg-color="0f"] { foreground: #c0c0c0; }
 ChatLine[bg-color="0f"] { background: #c0c0c0; }
 
 // mIRC formats
-ChatLine[format="bold"]      { font-weight: bold; }
-ChatLine[format="italic"]    { font-style: italic; }
-ChatLine[format="underline"] { font-style: underline; }
+ChatLine[format="bold"]          { font-weight: bold; }
+ChatLine[format="italic"]        { font-style: italic; }
+ChatLine[format="underline"]     { font-style: underline; }
+ChatLine[format="strikethrough"] { font-style: strikethrough; }
 
 // ChatView message colors
 ChatLine#notice { foreground: #916409; }

diff --git a/src/uisupport/qssparser.cpp b/src/uisupport/qssparser.cpp
index 07dab3a..3e5cd8e 100644 (file)
--- a/src/uisupport/qssparser.cpp
+++ b/src/uisupport/qssparser.cpp
@@ -322,6 +322,8 @@ std::pair<UiStyle::FormatType, UiStyle::MessageLabel> QssParser::parseFormatType
                     fmtType |= FormatType::Italic;
                 else if (condValue == "underline")
                     fmtType |= FormatType::Underline;
+                else if (condValue == "strikethrough")
+                    fmtType |= FormatType::Strikethrough;
                 else {
                     qWarning() << Q_FUNC_INFO << tr("Invalid format name: %1").arg(condValue);
                     return invalid;
@@ -713,7 +715,7 @@ QGradientStops QssParser::parseGradientStops(const QString &str_)
 
 void QssParser::parseFont(const QString &value, QTextCharFormat *format)
 {
-    static const QRegExp rx("((?:(?:normal|italic|oblique|underline|bold|100|200|300|400|500|600|700|800|900) ){0,2}) ?(\\d+)(pt|px)? \"(.*)\"");
+    static const QRegExp rx("((?:(?:normal|italic|oblique|underline|strikethrough|bold|100|200|300|400|500|600|700|800|900) ){0,2}) ?(\\d+)(pt|px)? \"(.*)\"");
     if (!rx.exactMatch(value)) {
         qWarning() << Q_FUNC_INFO << tr("Invalid font specification: %1").arg(value);
         return;
@@ -726,6 +728,7 @@ void QssParser::parseFont(const QString &value, QTextCharFormat *format)
             format->setFontItalic(true);
         else if (prop == "underline")
             format->setFontUnderline(true);
+        // Oblique is not a property supported by QTextCharFormat
         //else if(prop == "oblique")
         //  format->setStyle(QFont::StyleOblique);
         else if (prop == "bold")
@@ -753,6 +756,9 @@ void QssParser::parseFontStyle(const QString &value, QTextCharFormat *format)
         format->setFontItalic(true);
     else if (value == "underline")
         format->setFontUnderline(true);
+    else if (value == "strikethrough")
+        format->setFontStrikeOut(true);
+    // Oblique is not a property supported by QTextCharFormat
     //else if(value == "oblique")
     //  format->setStyle(QFont::StyleOblique);
     else {

diff --git a/src/uisupport/uistyle.cpp b/src/uisupport/uistyle.cpp
index bd9b013..831c76e 100644 (file)
--- a/src/uisupport/uistyle.cpp
+++ b/src/uisupport/uistyle.cpp
@@ -85,8 +85,9 @@ UiStyle::UiStyle(QObject *parent)
     // Now initialize the mapping between FormatCodes and FormatTypes...
     _formatCodes["%O"] = FormatType::Base;
     _formatCodes["%B"] = FormatType::Bold;
-    _formatCodes["%S"] = FormatType::Italic;
+    _formatCodes["%I"] = FormatType::Italic;
     _formatCodes["%U"] = FormatType::Underline;
+    _formatCodes["%S"] = FormatType::Strikethrough;
 
     _formatCodes["%DN"] = FormatType::Nick;
     _formatCodes["%DH"] = FormatType::Hostmask;
@@ -761,6 +762,9 @@ QString UiStyle::mircToInternal(const QString &mirc_)
                     mirc += "%R";
                     break;
                 case '\x1d':
+                    mirc += "%I";
+                    break;
+                case '\x1e':
                     mirc += "%S";
                     break;
                 case '\x1f':

diff --git a/src/uisupport/uistyle.h b/src/uisupport/uistyle.h
index 35d9eee..023808e 100644 (file)
--- a/src/uisupport/uistyle.h
+++ b/src/uisupport/uistyle.h
@@ -81,6 +81,7 @@ public:
         Bold            = 0x00000100,
         Italic          = 0x00000200,
         Underline       = 0x00000400,
+        Strikethrough   = 0x00000800,
 
         // Individual parts of a message
         Timestamp       = 0x00001000,