base/applications/network/telnet/src/tconsole.h

   1 #pragma once
   2
   3 #include "tnconfig.h"
   4
   5 /* A diagram of the following values:
   6  *
   7  *           (0,0)
   8  *              +----------------------------------------+
   9  *              |                                        |
  10  *              |                                        |
  11  *              |                                        |
  12  *              |                                        |
  13  *              |                                        |
  14  *              |                                        |
  15  *              |                                        |
  16  *              |                                        |
  17  *              |                                        |
  18  *              |                                        |
  19  *              |                                        |
  20  *              |                                        |
  21  *              |                                        |
  22  *              |          CON_TOP                       |
  23  *              +---------------------------+.....?......|     ---
  24  *              |              .            |            |      |
  25  *              |              .            | <-- OR --> |      |
  26  *              |              .            |            |      |
  27  *  CON_LEFT    |              .            | CON_RIGHT  |
  28  *    (=0)      |              .            | (=CON_     |  CON_LINES
  29  *              |..............*            |   WIDTH)   |
  30  *              |            (CON_CUR_X,    |            |      |
  31  *              |             CON_CUR_Y)    |            |      |
  32  *              |                           |            |      |
  33  *              |                           |            |      |
  34  *              |                           |            |      |
  35  *              +---------------------------+------------+     ---
  36  *                   CON_BOTTOM (=CON_TOP + CON_HEIGHT)
  37  *
  38  *              |--------- CON_COLS --------|
  39  *
  40  * Keep in mind that CON_TOP, CON_BOTTOM, CON_LEFT, and CON_RIGHT are relative
  41  * to zero, but CON_CUR_X, CON_CUR_Y, CON_WIDTH, and CON_HEIGHT are relative to
  42  * CON_TOP and CON_LEFT
  43  */
  44
  45 #define CON_TOP         ConsoleInfo.srWindow.Top
  46 #define CON_BOTTOM      ConsoleInfo.srWindow.Bottom
  47
  48 #define CON_LEFT        0
  49 #define CON_RIGHT       (ConsoleInfo.dwSize.X - 1)
  50
  51 #define CON_HEIGHT      (CON_BOTTOM - CON_TOP)
  52 #define CON_WIDTH       (CON_RIGHT - CON_LEFT)
  53 #define CON_LINES       (CON_HEIGHT + 1)
  54 #define CON_COLS        (CON_WIDTH + 1)
  55
  56 #define CON_CUR_X       (ConsoleInfo.dwCursorPosition.X - CON_LEFT)
  57 #define CON_CUR_Y       (ConsoleInfo.dwCursorPosition.Y - CON_TOP)
  58
  59
  60 class TConsole {
  61 public:
  62         TConsole(HANDLE hConsole);
  63         ~TConsole();
  64         void sync();
  65
  66         // Cursor movement routines
  67     int GetRawCursorX() {return CON_CUR_X;}
  68     int GetRawCursorY() {return CON_CUR_Y;}
  69     int GetCursorX() {return CON_CUR_X;}
  70     int GetCursorY() {
  71                 if(iScrollStart != -1)
  72                         return CON_CUR_Y - iScrollStart;
  73                 return GetRawCursorY();
  74         }
  75         void SetRawCursorPosition(int x, int y);
  76         void SetCursorPosition(int x, int y);
  77         void SetCursorSize(int pct);
  78         void MoveCursorPosition(int x, int y);
  79
  80         // Screen mode/size routines
  81     int GetWidth() {return CON_COLS;}
  82     int GetHeight() {return CON_LINES;}
  83         void SetExtendedMode(int iFunction, BOOL bEnable);
  84         void SetWindowSize(int width, int height);      // Set the size of the window,
  85                                                                                                 // but not the buffer
  86
  87         // Color/attribute routines
  88         void SetAttrib(unsigned char wAttr) {wAttributes = wAttr;}
  89     unsigned char GetAttrib() {return wAttributes;}
  90     void Normal();                                                              // Reset all attributes
  91     void HighVideo();                                                   // Aka "bold"
  92     void LowVideo();
  93     void SetForeground(unsigned char wAttrib);  // Set the foreground directly
  94     void SetBackground(unsigned char wAttrib);
  95     void BlinkOn();                                                             // Blink on/off
  96     void BlinkOff();
  97         void UnderlineOn();                                                     // Underline on/off
  98         void UnderlineOff();
  99         void UlBlinkOn();                                                       // Blink+Underline on/off
 100         void UlBlinkOff();
 101     void ReverseOn();                                                   // Reverse on/off
 102     void ReverseOff();
 103         void Lightbg();                                                         // High-intensity background
 104         void Darkbg();                                                          // Low-intensity background
 105         void setDefaultFg(unsigned char u) {defaultfg = u;}
 106         void setDefaultBg(unsigned char u) {defaultbg = u;}
 107
 108         // Text output routines
 109         unsigned long WriteText(const char *pszString, unsigned long cbString);
 110         unsigned long WriteString(const char* pszString, unsigned long cbString);
 111         unsigned long WriteStringFast(const char *pszString, unsigned long cbString);
 112         unsigned long WriteCtrlString(const char* pszString, unsigned long cbString);
 113         unsigned long WriteCtrlChar(char c);
 114         unsigned long NetWriteString(const char* pszString, unsigned long cbString);
 115
 116         // Clear screen/screen area functions
 117         void ClearScreen(char c = ' ');
 118         void ClearWindow(int start, int end, char c = ' ');
 119         void ClearEOScreen(char c = ' ');
 120         void ClearBOScreen(char c = ' ');
 121         void ClearLine(char c = ' ');
 122         void ClearEOLine(char c = ' ');
 123         void ClearBOLine(char c = ' ');
 124
 125         // Scrolling and text output control functions
 126         void SetScroll(int start, int end);
 127     void ScrollDown(int iStartRow , int iEndRow, int bUp);
 128         void ScrollAll(int bUp) {ScrollDown(iScrollStart, iScrollEnd, bUp);}
 129         void index();
 130         void reverse_index();
 131         void setLineWrap(bool bEnabled){
 132                 if(!ini.get_lock_linewrap())
 133                         ini.set_value("Wrap_Line", bEnabled ? "true" : "false");
 134         }
 135         bool getLineWrap() {return ini.get_wrapline();}
 136
 137     // Insert/delete characters/lines
 138         void InsertLine(int numlines);                  // Added by Titus von Boxberg 30/3/97
 139     void InsertCharacter(int numchar);          // "
 140     void DeleteCharacter(int numchar);          // "
 141         void InsertMode(int i) {insert_mode = i;}
 142
 143         // Miscellaneous functions
 144         void Beep();
 145
 146 protected:
 147         HANDLE hConsole;
 148
 149         CONSOLE_SCREEN_BUFFER_INFO ConsoleInfo;
 150
 151         unsigned char wAttributes;
 152         unsigned char fg, bg;
 153         unsigned char defaultfg, defaultbg;
 154         unsigned char origfg, origbg;
 155
 156         bool blink;
 157         bool underline;
 158         bool reverse;
 159
 160         int iScrollStart;
 161         int iScrollEnd;
 162         int insert_mode;
 163 };
 164
 165 // Non-member functions for saving state -- used by the scrollback buffer viewer
 166 void saveScreen(CHAR_INFO* chiBuffer);
 167 void restoreScreen(CHAR_INFO* chiBuffer);
 168 CHAR_INFO* newBuffer();
 169 void deleteBuffer(CHAR_INFO* chiBuffer);