btn.hpp

一个嵌入式系统的C代码

//***********************************************************************
//  MODULE : Btn - Class Header                                         *
//  AUTHOR : Ron Chernich                                               *
//  PURPOSE: Class header for "button" like objects used in RCOS        *
//  HISTORY:                                                            *
//   18-JAN-93  First (MSC/C++ 7.00) version                            *
//***********************************************************************

#ifndef _RCOS_BTN

  #include "rcos.hpp"
  #include "obj.hpp"
  #include "str.hpp"
  #include "dbllist.hpp"

//  #ifdef _DOS_ENV
    #define ALT_Q     16  // ALT-Key combinations used as button "hot-key"
    #define ALT_W     17  // flagged by a "&" prefix in the button label
    #define ALT_E     18
    #define ALT_R     19
    #define ALT_T     20
    #define ALT_Y     21
    #define ALT_U     22
    #define ALT_I     23
    #define ALT_O     24
    #define ALT_P     25
    #define ALT_A     30
    #define ALT_S     31
    #define ALT_D     32
    #define ALT_F     33
    #define ALT_G     34
    #define ALT_H     35
    #define ALT_J     36
    #define ALT_K     37
    #define ALT_L     38
    #define ALT_Z     44
    #define ALT_X     45
    #define ALT_C     46
    #define ALT_V     47
    #define ALT_B     48
    #define ALT_N     49
    #define ALT_M     50

    #define ALT_F1   104
    #define ALT_F2   105
    #define ALT_F3   106
    #define ALT_F4   107
    #define ALT_F5   108
    #define ALT_F6   109
    #define ALT_F7   110
    #define ALT_F8   111
    #define ALT_F9   112
    #define ALT_F10  113
    #define ALT_F11  114
    #define ALT_F12  115

    #define ALT_1    120
    #define ALT_2    121
    #define ALT_3    122
    #define ALT_4    123
    #define ALT_5    124
    #define ALT_6    125
    #define ALT_7    126
    #define ALT_8    127
    #define ALT_9    128
    #define ALT_0    129

    #define F1_KEY    59
    #define F2_KEY    60
    #define F3_KEY    61
    #define F4_KEY    62
    #define F5_KEY    63
    #define F6_KEY    64
    #define F7_KEY    65
    #define F8_KEY    66
    #define F9_KEY    67
    #define F0_KEY    68
    #define F11_KEY   69
    #define F12_KEY   70
    
 // #endif

  ////////////////////////////
  // Base information common to all button types (which are based on this)
  // Since they will need direct access to this data, the structure must
  // lie outside the class context..
  //
  struct btn {
    UINT16 Id;          // The (unique) ID by which the control is known
    UINT16 status;      // Storage for Bit significant control data
    char   HotKey;      // The ALT-key which will activate the control
    Str    *pst;        // An (optional) label for the object
    rect   r;           // "Hot" Area of control
  };

  ///////////////////
  // Generalised class, based on a double linked list, to support
  // Push Buttons, Radio Buttons, Check Boxes and System Menu objects.
  //
  class Btn : public DblList {
  public:
    btn *pb;
    Btn () { };					// no default needed
    ~Btn ();					// but a destructor is
    btn *BtnHit  (const char);			// activated by Keypress
    btn *BtnHit  (point&);			// or by mouse click
    void BtnKill (const UINT16);		// destroy all trace by ID
    BOOL BtnFind (const UINT16);		// locate by ID
    BOOL BtnNew  (const UINT16, char*, rect&);	// create new object with ID
    virtual void Refresh (void) = 0;		// re-render gadget image(s)
  };

  #define _RCOS_BTN

#endif

/************************************ EOF ********************************/