scintilla/src/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         int weight;
  18         bool italic;
  19         int size;
  20         int characterSet;
  21         int extraFontFlag;
  22         FontSpecification() :
  23                 fontName(0),
  24                 weight(SC_WEIGHT_NORMAL),
  25                 italic(false),
  26                 size(10 * SC_FONT_SIZE_MULTIPLIER),
  27                 characterSet(0),
  28                 extraFontFlag(0) {
  29         }
  30         bool operator==(const FontSpecification &other) const;
  31         bool operator<(const FontSpecification &other) const;
  32 };
  33
  34 // Just like Font but only has a copy of the FontID so should not delete it
  35 class FontAlias : public Font {
  36         // Private so FontAlias objects can not be assigned except for intiialization
  37         FontAlias &operator=(const FontAlias &);
  38 public:
  39         FontAlias();
  40         FontAlias(const FontAlias &);
  41         virtual ~FontAlias();
  42         void MakeAlias(Font &fontOrigin);
  43         void ClearFont();
  44 };
  45
  46 struct FontMeasurements {
  47         unsigned int ascent;
  48         unsigned int descent;
  49         XYPOSITION aveCharWidth;
  50         XYPOSITION spaceWidth;
  51         int sizeZoomed;
  52         FontMeasurements();
  53         void Clear();
  54 };
  55
  56 /**
  57  */
  58 class Style : public FontSpecification, public FontMeasurements {
  59 public:
  60         ColourDesired fore;
  61         ColourDesired back;
  62         bool eolFilled;
  63         bool underline;
  64         enum ecaseForced {caseMixed, caseUpper, caseLower};
  65         ecaseForced caseForce;
  66         bool visible;
  67         bool changeable;
  68         bool hotspot;
  69
  70         FontAlias font;
  71
  72         Style();
  73         Style(const Style &source);
  74         ~Style();
  75         Style &operator=(const Style &source);
  76         void Clear(ColourDesired fore_, ColourDesired back_,
  77                    int size_,
  78                    const char *fontName_, int characterSet_,
  79                    int weight_, bool italic_, bool eolFilled_,
  80                    bool underline_, ecaseForced caseForce_,
  81                    bool visible_, bool changeable_, bool hotspot_);
  82         void ClearTo(const Style &source);
  83         void Copy(Font &font_, const FontMeasurements &fm_);
  84         bool IsProtected() const { return !(changeable && visible);}
  85 };
  86
  87 #ifdef SCI_NAMESPACE
  88 }
  89 #endif
  90
  91 #endif