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