src/apps/serialconnect/TermView.h

   1 /*
   2  * Copyright 2012-2015, Adrien Destugues, pulkomandy@gmail.com
   3  * Distributed under the terms of the MIT licence.
   4  */
   5
   6
   7 #include <String.h>
   8 #include <View.h>
   9
  10 extern "C" {
  11         #include <vterm.h>
  12 }
  13
  14
  15 class TermView: public BView
  16 {
  17         public:
  18                                                         TermView();
  19                                                         TermView(BRect bounds);
  20                                                         ~TermView();
  21
  22                                 void            AttachedToWindow();
  23                                 void            Draw(BRect updateRect);
  24                                 void            FrameResized(float width, float height);
  25                                 void            GetPreferredSize(float* width, float* height);
  26                                 void            KeyDown(const char* bytes, int32 numBytes);
  27                                 void            MessageReceived(BMessage* message);
  28                                 void            SetLineTerminator(BString bytes);
  29
  30                                 void            PushBytes(const char* bytes, const size_t length);
  31
  32         private:
  33                                 void            _Init();
  34
  35                                 VTermRect       _PixelsToGlyphs(BRect pixels) const;
  36                                 BRect           _GlyphsToPixels(const VTermRect& glyphs) const;
  37                                 BRect           _GlyphsToPixels(const int width, const int height)
  38                                                                 const;
  39                                 void            _GetCell(VTermPos pos, VTermScreenCell& cell);
  40
  41                                 void            _Damage(VTermRect rect);
  42                                 void            _MoveCursor(VTermPos pos, VTermPos oldPos,
  43                                                                 int visible);
  44                                 void            _PushLine(int cols, const VTermScreenCell* cells);
  45
  46                 static  int                     _Damage(VTermRect rect, void* user);
  47                 static  int                     _MoveCursor(VTermPos pos, VTermPos oldPos,
  48                                                                 int visible, void* user);
  49                 static  int                     _PushLine(int cols, const VTermScreenCell* cells,
  50                                                                 void* user);
  51                 static  int                     _PopLine(int cols, const VTermScreenCell* cells,
  52                                                                 void* user);
  53
  54         private:
  55                 VTerm* fTerm;
  56                 VTermScreen* fTermScreen;
  57                 BList fScrollBuffer;
  58                 int fFontWidth;
  59                 int fFontHeight;
  60
  61                 BString fLineTerminator;
  62
  63                 static const VTermScreenCallbacks sScreenCallbacks;
  64
  65                 static const int kDefaultWidth = 80;
  66                 static const int kDefaultHeight = 25;
  67                 static const int kBorderSpacing = 3;
  68                 static const int kScrollBackSize = 1000;
  69 };