Introducing QssParser

[quassel.git] / src / uisupport / uistyle.h

diff --git a/src/uisupport/uistyle.h b/src/uisupport/uistyle.h
index 7692227..57e8988 100644 (file)
--- a/src/uisupport/uistyle.h
+++ b/src/uisupport/uistyle.h
@@ -23,9 +23,11 @@
 
 #include <QDataStream>
 #include <QFontMetricsF>
+#include <QHash>
 #include <QTextCharFormat>
 #include <QTextLayout>
-#include <QUrl>
+#include <QPalette>
+#include <QVector>
 
 #include "message.h"
 #include "settings.h"
@@ -49,6 +51,7 @@ public:
   enum FormatType {
     None            = 0x00000000,
     Invalid         = 0x11111111,
+
     // Message Formats (mutually exclusive!)
     PlainMsg        = 0x00000001,
     NoticeMsg       = 0x00000002,
@@ -61,11 +64,18 @@ public:
     RenameMsg       = 0x00000009,
     ModeMsg         = 0x0000000a,
     ActionMsg       = 0x0000000b,
+    HighlightMsg    = 0x0000000f,
+
+    // Note: mergedFormat() assumes that 0x10 - 0x80 are *only* used within the message contents,
+    //       e.g. not together with any of 0x0100-0x2000!
+    //       If we happen to find a use case for that, we can see if/how to implement that though.
+
     // Standard Formats
     Bold            = 0x00000010,
     Italic          = 0x00000020,
     Underline       = 0x00000040,
     Reverse         = 0x00000080,
+
     // Individual parts of a message
     Timestamp       = 0x00000100,
     Sender          = 0x00000200,
@@ -73,9 +83,11 @@ public:
     Hostmask        = 0x00000800,
     ChannelName     = 0x00001000,
     ModeFlags       = 0x00002000,
+
     // URL is special, we want that to take precedence over the rest...
     Url             = 0x00100000,
-    // Colors
+
+    // mIRC Colors - we assume those to be present only in plain contents
     FgCol00         = 0x00400000,
     FgCol01         = 0x01400000,
     FgCol02         = 0x02400000,
@@ -108,13 +120,33 @@ public:
     BgCol12         = 0xc0800000,
     BgCol13         = 0xd0800000,
     BgCol14         = 0xe0800000,
-    BgCol15         = 0xf0800000
+    BgCol15         = 0xf0800000,
 
-  };
+    // Colors used for sender auto coloring
+    // (starting at 01 because 00 is the default Sender format)
+    SenderCol01     = 0x01000200,
+    SenderCol02     = 0x02000200,
+    SenderCol03     = 0x03000200,
+    SenderCol04     = 0x04000200,
+    SenderCol05     = 0x05000200,
+    SenderCol06     = 0x06000200,
+    SenderCol07     = 0x07000200,
+    SenderCol08     = 0x08000200,
+    SenderCol09     = 0x09000200,
+    SenderCol10     = 0x0a000200,
+    SenderCol11     = 0x0b000200,
+    SenderCol12     = 0x0c000200,
+    SenderCol13     = 0x0d000200,
+    SenderCol14     = 0x0e000200,
+    SenderCol15     = 0x0f000200,
+    SenderCol16     = 0x10000200,
+    SenderCol17     = 0x11000200,
+    SenderCol18     = 0x12000200,
+    SenderCol19     = 0x13000200,
+    SenderCol20     = 0x14000200,
+    SenderCol21     = 0x15000200,
 
-  struct UrlInfo {
-    int start, end;
-    QUrl url;
+    SenderColSelf   = 0xff000200
   };
 
   struct StyledString {
@@ -123,11 +155,13 @@ public:
   };
 
   class StyledMessage;
+  class QssParser;
 
   StyledString styleString(const QString &);
   QString mircToInternal(const QString &) const;
 
   void setFormat(FormatType, QTextCharFormat, Settings::Mode mode/* = Settings::Custom*/);
+  void setSenderAutoColor(bool state);
   QTextCharFormat format(FormatType, Settings::Mode mode = Settings::Custom) const;
   QTextCharFormat mergedFormat(quint32 formatType);
   QFontMetricsF *fontMetrics(quint32 formatType);
@@ -140,6 +174,10 @@ public:
   QList<QTextLayout::FormatRange> toTextLayoutList(const FormatList &, int textLength);
 
 protected:
+  void loadStyleSheet();
+
+  bool _senderAutoColor;
+
 private:
   QFont _defaultFont;
   QTextCharFormat _defaultPlainFormat;
@@ -156,20 +194,73 @@ class UiStyle::StyledMessage : public Message {
 public:
   explicit StyledMessage(const Message &message);
 
+  //! Styling is only needed for calls to plainContents() and contentsFormatList()
+  // StyledMessage can't style lazily by itself, as it doesn't know the used style
   bool inline needsStyling() const { return _contents.plainText.isNull(); }
-  void style(UiStyle *style);
+  void style(UiStyle *style) const;
+
 
   QString decoratedTimestamp() const;
   QString plainSender() const;             //!< Nickname (no decorations) for Plain and Notice, empty else
   QString decoratedSender() const;
-  const QString &plainContents() const { return _contents.plainText; }
+  inline const QString &plainContents() const { return _contents.plainText; }
 
   inline FormatType timestampFormat() const { return UiStyle::Timestamp; }
   FormatType senderFormat() const;
   inline const FormatList &contentsFormatList() const { return _contents.formatList; }
 
 private:
-  StyledString _contents;
+  mutable StyledString _contents;
+};
+
+class UiStyle::QssParser {
+public:
+  enum Column {
+    Any,
+    Timestamp,
+    Sender,
+    Contents
+  };
+
+  struct ChatLineFormat {
+    QVector<QTextCharFormat> senderColors;
+    QVector<QTextCharFormat> mircColors;
+    QHash<FormatType, QTextCharFormat> formats;
+
+  };
+
+  QssParser();
+
+  void loadStyleSheet(const QString &sheet);
+
+  inline QPalette palette() const { return _palette; }
+  ChatLineFormat basicFormat() const;
+  QHash<FormatType, ChatLineFormat> specialFormats() const;
+
+protected:
+  typedef QList<qreal> ColorTuple;
+
+  void parseChatLineData(const QString &decl, const QString &contents);
+  void parsePaletteData(const QString &decl, const QString &contents);
+
+  QTextCharFormat parseFormat(const QString &qss);
+  bool parsePalette(QPalette &, const QString &qss);
+
+  // Parse basic data types
+  QBrush parseBrushValue(const QString &str);
+  QColor parseColorValue(const QString &str);
+  QFont parseFont(const QString &str);
+
+  // Parse subelements
+  ColorTuple parseColorTuple(const QString &str);
+  QGradientStops parseGradientStops(const QString &str);
+
+  QHash<QString, QPalette::ColorRole> _paletteColorRoles;
+
+private:
+  QPalette _palette;
+  ChatLineFormat _basicFormat;
+  QHash<FormatType, ChatLineFormat> _specialFormats;
 };
 
 QDataStream &operator<<(QDataStream &out, const UiStyle::FormatList &formatList);