Add cached fontmetrics to UiStyle

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

diff --git a/src/uisupport/uistyle.h b/src/uisupport/uistyle.h
index 4d98330..cd6458e 100644 (file)
--- a/src/uisupport/uistyle.h
+++ b/src/uisupport/uistyle.h
@@ -21,6 +21,8 @@
 #ifndef _UISTYLE_H_
 #define _UISTYLE_H_
 
+#include <QDataStream>
+#include <QFontMetricsF>
 #include <QTextCharFormat>
 #include <QTextLayout>
 #include <QUrl>
@@ -29,22 +31,85 @@
 #include "settings.h"
 
 class UiStyle {
+  Q_DECLARE_TR_FUNCTIONS (UiStyle);
 
   public:
     UiStyle(const QString &settingsKey);
     virtual ~UiStyle();
 
-    /** This enumerates the possible formats a text element may have. */
+    typedef QList<QPair<quint16, quint32> > FormatList;
+
+    //! This enumerates the possible formats a text element may have. */
+    /** These formats are ordered on increasing importance, in cases where a given property is specified
+     *  by multiple active formats.
+     *  \NOTE: Do not change/add values here without also adapting the relevant
+     *         methods in this class (in particular mergedFormat())!
+     *         Also, we _do_ rely on certain properties of these values in styleString() and friends!
+     */
     enum FormatType {
-      None, Bold, Italic, Underline, Reverse,                                        // Standard formats
-      PlainMsg, NoticeMsg, ServerMsg, ErrorMsg, JoinMsg, PartMsg, QuitMsg, KickMsg,  // Internal message formats
-      RenameMsg, ModeMsg, ActionMsg,                                                 // ...cnt'd
-      Timestamp, Sender, Nick, Hostmask, ChannelName, ModeFlags, Url,                // individual elements
-      FgCol00, FgCol01, FgCol02, FgCol03, FgCol04, FgCol05, FgCol06, FgCol07,        // Color codes
-      FgCol08, FgCol09, FgCol10, FgCol11, FgCol12, FgCol13, FgCol14, FgCol15,
-      BgCol00, BgCol01, BgCol02, BgCol03, BgCol04, BgCol05, BgCol06, BgCol07,
-      BgCol08, BgCol09, BgCol10, BgCol11, BgCol12, BgCol13, BgCol14, BgCol15,
-      NumFormatTypes, Invalid   // Do not add anything after this
+      None            = 0x00000000,
+      Invalid         = 0x11111111,
+      // Message Formats (mutually exclusive!)
+      PlainMsg        = 0x00000001,
+      NoticeMsg       = 0x00000002,
+      ServerMsg       = 0x00000003,
+      ErrorMsg        = 0x00000004,
+      JoinMsg         = 0x00000005,
+      PartMsg         = 0x00000006,
+      QuitMsg         = 0x00000007,
+      KickMsg         = 0x00000008,
+      RenameMsg       = 0x00000009,
+      ModeMsg         = 0x0000000a,
+      ActionMsg       = 0x0000000b,
+      // Standard Formats
+      Bold            = 0x00000010,
+      Italic          = 0x00000020,
+      Underline       = 0x00000040,
+      Reverse         = 0x00000080,
+      // Individual parts of a message
+      Timestamp       = 0x00000100,
+      Sender          = 0x00000200,
+      Nick            = 0x00000400,
+      Hostmask        = 0x00000800,
+      ChannelName     = 0x00001000,
+      ModeFlags       = 0x00002000,
+      // URL is special, we want that to take precedence over the rest...
+      Url             = 0x00100000,
+      // Colors
+      FgCol00         = 0x00400000,
+      FgCol01         = 0x01400000,
+      FgCol02         = 0x02400000,
+      FgCol03         = 0x03400000,
+      FgCol04         = 0x04400000,
+      FgCol05         = 0x05400000,
+      FgCol06         = 0x06400000,
+      FgCol07         = 0x07400000,
+      FgCol08         = 0x08400000,
+      FgCol09         = 0x09400000,
+      FgCol10         = 0x0a400000,
+      FgCol11         = 0x0b400000,
+      FgCol12         = 0x0c400000,
+      FgCol13         = 0x0d400000,
+      FgCol14         = 0x0e400000,
+      FgCol15         = 0x0f400000,
+
+      BgCol00         = 0x00800000,
+      BgCol01         = 0x10800000,
+      BgCol02         = 0x20800000,
+      BgCol03         = 0x30800000,
+      BgCol04         = 0x40800000,
+      BgCol05         = 0x50800000,
+      BgCol06         = 0x60800000,
+      BgCol07         = 0x70800000,
+      BgCol08         = 0x80800000,
+      BgCol09         = 0x90800000,
+      BgCol10         = 0xa0800000,
+      BgCol11         = 0xb0800000,
+      BgCol12         = 0xc0800000,
+      BgCol13         = 0xd0800000,
+      BgCol14         = 0xe0800000,
+      BgCol15         = 0xf0800000
+
     };
 
     struct UrlInfo {
@@ -52,32 +117,50 @@ class UiStyle {
       QUrl url;
     };
 
-    struct StyledText {
-      QString text;
-      QList<QTextLayout::FormatRange> formats;
-      QList<UrlInfo> urls;
+    struct StyledString {
+      QString plainText;
+      FormatList formatList;  // starting pos, ftypes
     };
 
-    StyledText styleString(QString);
+    struct StyledMessage {
+      StyledString timestamp;
+      StyledString sender;
+      StyledString contents;
+    };
+
+    StyledString styleString(const QString &);
+    StyledMessage styleMessage(const Message &);
 
     void setFormat(FormatType, QTextCharFormat, Settings::Mode mode/* = Settings::Custom*/);
     QTextCharFormat format(FormatType, Settings::Mode mode = Settings::Custom) const;
+    QTextCharFormat mergedFormat(quint32 formatType);
+    QFontMetricsF *fontMetrics(quint32 formatType);
 
     FormatType formatType(const QString &code) const;
     QString formatCode(FormatType) const;
 
+    inline QFont defaultFont() const { return _defaultFont; }
+
   protected:
 
 
   private:
-    QTextCharFormat mergedFormat(QList<FormatType>);
-
-    QVector<QTextCharFormat> _defaultFormats;
-    QVector<QTextCharFormat> _customFormats;
+    QString mircToInternal(const QString &);
+
+    QFont _defaultFont;
+    QTextCharFormat _defaultPlainFormat;
+    QHash<FormatType, QTextCharFormat> _defaultFormats;
+    QHash<FormatType, QTextCharFormat> _customFormats;
+    QHash<quint32, QTextCharFormat> _cachedFormats;
+    QHash<quint32, QFontMetricsF *> _cachedFontMetrics;
     QHash<QString, FormatType> _formatCodes;
 
     QString _settingsKey;
-
 };
 
+QDataStream &operator<<(QDataStream &out, const UiStyle::FormatList &formatList);
+QDataStream &operator>>(QDataStream &in, UiStyle::FormatList &formatList);
+
+Q_DECLARE_METATYPE(UiStyle::FormatList);
+
 #endif