src/tests/apps/miniterminal/Console.h

   1 #ifndef _CONSOLE_H_
   2 #define _CONSOLE_H_
   3
   4 #include <SupportDefs.h>
   5
   6 #define TAB_SIZE 8
   7 #define TAB_MASK 7
   8
   9 #define FMASK 0x0f
  10 #define BMASK 0x70
  11
  12 typedef enum {
  13         CONSOLE_STATE_NORMAL = 0,
  14         CONSOLE_STATE_GOT_ESCAPE,
  15         CONSOLE_STATE_SEEN_BRACKET,
  16         CONSOLE_STATE_NEW_ARG,
  17         CONSOLE_STATE_PARSING_ARG,
  18 } console_state;
  19
  20 typedef enum {
  21         SCREEN_ERASE_WHOLE,
  22         SCREEN_ERASE_UP,
  23         SCREEN_ERASE_DOWN
  24 } erase_screen_mode;
  25
  26 typedef enum {
  27         LINE_ERASE_WHOLE,
  28         LINE_ERASE_LEFT,
  29         LINE_ERASE_RIGHT
  30 } erase_line_mode;
  31
  32 #define MAX_ARGS 8
  33
  34 class ViewBuffer;
  35
  36 class Console {
  37 public:
  38                                                         Console(ViewBuffer *output);
  39                                                         ~Console();
  40
  41                 void                            ResetConsole();
  42
  43                 void                            SetScrollRegion(int top, int bottom);
  44                 void                            ScrollUp();
  45                 void                            ScrollDown();
  46
  47                 void                            LineFeed();
  48                 void                            RLineFeed();
  49                 void                            CariageReturn();
  50
  51                 void                            Delete();
  52                 void                            Tab();
  53
  54                 void                            EraseLine(erase_line_mode mode);
  55                 void                            EraseScreen(erase_screen_mode mode);
  56
  57                 void                            SaveCursor(bool save_attrs);
  58                 void                            RestoreCursor(bool restore_attrs);
  59                 void                            UpdateCursor(int x, int y);
  60                 void                            GotoXY(int new_x, int new_y);
  61
  62                 void                            PutChar(const char c);
  63
  64                 void                            SetVT100Attributes(int32 *args, int32 argCount);
  65                 bool                            ProcessVT100Command(const char c, bool seen_bracket, int32 *args, int32 argCount);
  66
  67                 void                            Write(const void *buf, size_t len);
  68
  69 private:
  70 static  void                            ResizeCallback(int32 width, int32 height, void *data);
  71
  72                 int32                           fLines;
  73                 int32                           fColumns;
  74
  75                 uint8                           fAttr;
  76                 uint8                           fSavedAttr;
  77                 bool                            fBrightAttr;
  78                 bool                            fReverseAttr;
  79
  80                 int32                           fX;                             // current x coordinate
  81                 int32                           fY;                             // current y coordinate
  82                 int32                           fSavedX;                // used to save x and y
  83                 int32                           fSavedY;
  84
  85                 int32                           fScrollTop;             // top of the scroll region
  86                 int32                           fScrollBottom;  // bottom of the scroll region
  87
  88                 /* state machine */
  89                 console_state           fState;
  90                 int32                           fArgCount;
  91                 int32                           fArgs[MAX_ARGS];
  92
  93                 ViewBuffer                      *fOutput;
  94 };
  95
  96 #endif