Usermode/Applications/axwin3_src/WM/input.c

   1 /*
   2  * Acess2 GUI (AxWin) Version 3
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * input.c
   6  * - Input abstraction
   7  */
   8 #include <common.h>
   9 #include <acess/sys.h>
  10
  11 typedef struct
  12 {
  13         int Num;
  14         int Value;
  15 } tNumValue;
  16
  17 #define JOY_IOCTL_GETSETAXISLIMIT       6
  18 #define JOY_IOCTL_GETSETAXISPOSITION    7
  19
  20 // === CODE ===
  21 int Input_Init(void)
  22 {
  23         tNumValue       num_value;
  24
  25         // Open mouse for RW
  26         giMouseFD = open(gsMouseDevice, 3);
  27
  28         // Set mouse limits
  29         num_value.Num = 0;
  30         num_value.Value = giScreenWidth;
  31         ioctl(giMouseFD, JOY_IOCTL_GETSETAXISLIMIT, &num_value);
  32         num_value.Value = giScreenWidth/2;
  33         ioctl(giMouseFD, JOY_IOCTL_GETSETAXISPOSITION, &num_value);
  34
  35         num_value.Num = 1;
  36         num_value.Value = giScreenHeight;
  37         ioctl(giMouseFD, JOY_IOCTL_GETSETAXISLIMIT, &num_value);
  38         num_value.Value = giScreenHeight/2;
  39         ioctl(giMouseFD, JOY_IOCTL_GETSETAXISPOSITION, &num_value);
  40
  41         return 0;
  42 }
  43
  44 void Input_FillSelect(int *nfds, fd_set *set)
  45 {
  46         if(*nfds < giTerminalFD)        *nfds = giTerminalFD;
  47         if(*nfds < giMouseFD)   *nfds = giMouseFD;
  48         FD_SET(giTerminalFD, set);
  49         FD_SET(giMouseFD, set);
  50 }
  51
  52 void Input_HandleSelect(fd_set *set)
  53 {
  54         if(FD_ISSET(giTerminalFD, set))
  55         {
  56                 uint32_t        codepoint;
  57                 if( read(giTerminalFD, &codepoint, sizeof(codepoint)) != sizeof(codepoint) )
  58                 {
  59                         // oops, error
  60                 }
  61                 // TODO: pass on to message handler
  62                 _SysDebug("Keypress 0x%x", codepoint);
  63         }
  64
  65         if(FD_ISSET(giMouseFD, set))
  66         {
  67                 struct sMouseInfo {
  68                         uint16_t        NAxies;
  69                         uint16_t        NButtons;
  70                         struct sMouseAxis {
  71                                  int16_t        MinValue;
  72                                  int16_t        MaxValue;
  73                                  int16_t        CurValue;
  74                                 uint16_t        CursorPos;
  75                         }       Axies[2];
  76                         uint8_t Buttons[3];
  77                 }       mouseinfo;
  78
  79                 seek(giMouseFD, 0, SEEK_SET);
  80                 if( read(giMouseFD, &mouseinfo, sizeof(mouseinfo)) != sizeof(mouseinfo) )
  81                 {
  82                         // Not a 3 button mouse, oops
  83                         return ;
  84                 }
  85
  86                 // Handle movement
  87                 Video_SetCursorPos( mouseinfo.Axies[0].CursorPos, mouseinfo.Axies[1].CursorPos );
  88 //              _SysDebug("Cursor to %i,%i", mouseinfo.Axies[0].CursorPos, mouseinfo.Axies[1].CursorPos);
  89         }
  90 }