wheel.c

   1 #include <windows.h>
   2 #include <stdio.h>
   3
   4 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
   5             PSTR lpCmdLine, int nCmdShow)
   6 {
   7     int wheel_amount = 0;
   8
   9     char buf[256];
  10     char* p2 = buf;
  11     char* p = lpCmdLine;
  12     while(1) {
  13         if(*p == ' ' || *p == 0) {
  14             *p2 = 0;
  15
  16             wheel_amount = atoi(buf);
  17
  18             if(*p == 0) break;
  19
  20             p++;
  21             p2 = buf;
  22         }
  23         else {
  24             if(p2 - buf < 255) {
  25                 *p2++ = *p++;
  26             }
  27             else {
  28                 p++;
  29             }
  30         }
  31     }
  32
  33     printf("wheel_amount: %d\n", wheel_amount);
  34
  35     INPUT inputs[3];
  36
  37     inputs[0].type = INPUT_MOUSE;
  38
  39     inputs[0].mi.dx = 0;
  40     inputs[0].mi.dy = 0;
  41     inputs[0].mi.mouseData = 0;
  42     inputs[0].mi.dwFlags = MOUSEEVENTF_LEFTDOWN;
  43     inputs[0].mi.time = 0;
  44     inputs[0].mi.dwExtraInfo = 0;
  45
  46     inputs[1].type = INPUT_MOUSE;
  47
  48     inputs[1].mi.dx = 0;
  49     inputs[1].mi.dy = 0;
  50     inputs[1].mi.mouseData = 0;
  51     inputs[1].mi.dwFlags = MOUSEEVENTF_LEFTUP;
  52     inputs[1].mi.time = 0;
  53     inputs[1].mi.dwExtraInfo = 0;
  54
  55     inputs[2].type = INPUT_MOUSE;
  56
  57     inputs[2].mi.dx = 0;
  58     inputs[2].mi.dy = 0;
  59     inputs[2].mi.mouseData = wheel_amount;
  60     inputs[2].mi.dwFlags = MOUSEEVENTF_WHEEL;
  61     inputs[2].mi.time = 0;
  62     inputs[2].mi.dwExtraInfo = 0;
  63
  64     SendInput(3, inputs, sizeof(INPUT));
  65
  66     return 0;
  67 }
  68