Usermode/Applications/axwin2_src/WM/input.c

   1 /*
   2  * Acess GUI (AxWin) Version 2
   3  * By John Hodge (thePowersGang)
   4  */
   5 #include "common.h"
   6 #include <acess/sys.h>
   7
   8 #define JOY_IOCTL_GETSETAXISLIMIT       6
   9 #define JOY_IOCTL_GETSETAXISPOSITION    7
  10
  11 // === CODE ===
  12 int Input_Init(void)
  13 {
  14         struct {
  15                  int    Num, Value;
  16         }       num_value;
  17
  18         // Open mouse for RW
  19         giMouseFD = open(gsMouseDevice, 3);
  20
  21         // Set mouse limits
  22         num_value.Num = 0;
  23         num_value.Value = giScreenWidth;
  24         ioctl(giMouseFD, JOY_IOCTL_GETSETAXISLIMIT, &num_value);
  25         num_value.Value = giScreenWidth/2;
  26         ioctl(giMouseFD, JOY_IOCTL_GETSETAXISPOSITION, &num_value);
  27
  28         num_value.Num = 1;
  29         num_value.Value = giScreenHeight;
  30         ioctl(giMouseFD, JOY_IOCTL_GETSETAXISLIMIT, &num_value);
  31         num_value.Value = giScreenHeight/2;
  32         ioctl(giMouseFD, JOY_IOCTL_GETSETAXISPOSITION, &num_value);
  33
  34         return 0;
  35 }
  36
  37 void Input_FillSelect(int *nfds, fd_set *set)
  38 {
  39         if(*nfds < giTerminalFD)        *nfds = giTerminalFD;
  40         if(*nfds < giMouseFD)   *nfds = giMouseFD;
  41         FD_SET(giTerminalFD, set);
  42         FD_SET(giMouseFD, set);
  43 }
  44
  45 void Input_HandleSelect(fd_set *set)
  46 {
  47         if(FD_ISSET(giTerminalFD, set))
  48         {
  49                 uint32_t        codepoint;
  50                 if( read(giTerminalFD, &codepoint, sizeof(codepoint)) != sizeof(codepoint) )
  51                 {
  52                         // oops, error
  53                 }
  54                 // TODO: pass on to message handler
  55                 _SysDebug("Keypress 0x%x", codepoint);
  56         }
  57
  58         if(FD_ISSET(giMouseFD, set))
  59         {
  60                 struct sMouseInfo {
  61                         uint16_t        NAxies;
  62                         uint16_t        NButtons;
  63                         struct sMouseAxis {
  64                                  int16_t        MinValue;
  65                                  int16_t        MaxValue;
  66                                  int16_t        CurValue;
  67                                 uint16_t        CursorPos;
  68                         }       Axies[2];
  69                         uint8_t Buttons[3];
  70                 }       mouseinfo;
  71
  72                 seek(giMouseFD, 0, SEEK_SET);
  73                 if( read(giMouseFD, &mouseinfo, sizeof(mouseinfo)) != sizeof(mouseinfo) )
  74                 {
  75                         // Not a 3 button mouse, oops
  76                         return ;
  77                 }
  78
  79 //              _SysDebug("sizeof(uint16_t) = %i, sizeof(int16_t) = %i",
  80 //                      sizeof(uint16_t), sizeof(int16_t));
  81 //              _SysDebug("NAxies=%i,NButtons=%i", mouseinfo.NAxies, mouseinfo.NButtons);
  82 //              _SysDebug("offsetof(Axies[0].MinValue) = %i", offsetof(struct sMouseInfo, Axies[0].MinValue));
  83 //              _SysDebug("[0] = {MinValue=%i,MaxValue=%i,CurValue=%i}",
  84 //                      mouseinfo.Axies[0].MinValue, mouseinfo.Axies[0].MaxValue,
  85 //                      mouseinfo.Axies[0].CurValue
  86 //                      );
  87                 // Handle movement
  88                 Video_SetCursorPos( mouseinfo.Axies[0].CursorPos, mouseinfo.Axies[1].CursorPos );
  89 //              _SysDebug("Cursor to %i,%i", mouseinfo.Axies[0].CursorPos, mouseinfo.Axies[1].CursorPos);
  90         }
  91 }