plugins/scintilla/scintilla/Style.h

   1 // Scintilla source code edit control
   2 /** @file Style.h
   3  ** Defines the font and colour style for a class of text.
   4  **/
   5 // Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
   6 // The License.txt file describes the conditions under which this software may be distributed.
   7
   8 #ifndef STYLE_H
   9 #define STYLE_H
  10
  11 #ifdef SCI_NAMESPACE
  12 namespace Scintilla {
  13 #endif
  14
  15 struct FontSpecification {
  16         const char *fontName;
  17         bool bold;
  18         bool italic;
  19         int size;
  20         int characterSet;
  21         int extraFontFlag;
  22         FontSpecification() :
  23                 fontName(0),
  24                 bold(false),
  25                 italic(false),
  26                 size(10),
  27                 characterSet(0),
  28                 extraFontFlag(0) {
  29         }
  30         bool EqualTo(const FontSpecification &other) const;
  31 };
  32
  33 // Just like Font but only has a copy of the FontID so should not delete it
  34 class FontAlias : public Font {
  35         // Private so FontAlias objects can not be copied
  36         FontAlias(const FontAlias &);
  37         FontAlias &operator=(const FontAlias &);
  38 public:
  39         FontAlias();
  40         virtual ~FontAlias();
  41         void MakeAlias(Font &fontOrigin);
  42         void ClearFont();
  43 };
  44
  45 struct FontMeasurements {
  46         unsigned int lineHeight;
  47         unsigned int ascent;
  48         unsigned int descent;
  49         unsigned int externalLeading;
  50         unsigned int aveCharWidth;
  51         unsigned int spaceWidth;
  52         int sizeZoomed;
  53         FontMeasurements();
  54         void Clear();
  55 };
  56
  57 /**
  58  */
  59 class Style : public FontSpecification, public FontMeasurements {
  60 public:
  61         ColourPair fore;
  62         ColourPair back;
  63         bool eolFilled;
  64         bool underline;
  65         enum ecaseForced {caseMixed, caseUpper, caseLower};
  66         ecaseForced caseForce;
  67         bool visible;
  68         bool changeable;
  69         bool hotspot;
  70
  71         FontAlias font;
  72
  73         Style();
  74         Style(const Style &source);
  75         ~Style();
  76         Style &operator=(const Style &source);
  77         void Clear(ColourDesired fore_, ColourDesired back_,
  78                    int size_,
  79                    const char *fontName_, int characterSet_,
  80                    bool bold_, bool italic_, bool eolFilled_,
  81                    bool underline_, ecaseForced caseForce_,
  82                    bool visible_, bool changeable_, bool hotspot_);
  83         void ClearTo(const Style &source);
  84         void Copy(Font &font_, const FontMeasurements &fm_);
  85         bool IsProtected() const { return !(changeable && visible);}
  86 };
  87
  88 #ifdef SCI_NAMESPACE
  89 }
  90 #endif
  91
  92 #endif