1 #define DIRECTINPUT_VERSION 0x0700

2 #include <dinput.h>

3 #include "plat-mouse.h"

4 #include "win.h"

5

6 extern "C" int video_fullscreen;

7

8 extern "C" void fatal(const char *format, ...);

9 extern "C" void pclog(const char *format, ...);

10

11 extern "C" void mouse_init();

12 extern "C" void mouse_close();

13 extern "C" void mouse_poll_host();

14 extern "C" void mouse_get_mickeys(int *x, int *y);

15

16 static LPDIRECTINPUT lpdi;

17 static LPDIRECTINPUTDEVICE lpdi_mouse = NULL;

18 static DIMOUSESTATE mousestate;

19 static int mouse_x = 0, mouse_y = 0;

20 int mouse_buttons = 0;

21

22 void mouse_init()

23 {

24 atexit(mouse_close);

25

26 if (FAILED(DirectInputCreate(hinstance, DIRECTINPUT_VERSION, &lpdi, NULL)))

27 fatal("mouse_init : DirectInputCreate failed\n");

28 if (FAILED(lpdi->CreateDevice(GUID_SysMouse, &lpdi_mouse, NULL)))

29 fatal("mouse_init : CreateDevice failed\n");

30 if (FAILED(lpdi_mouse->SetCooperativeLevel(ghwnd, DISCL_FOREGROUND | (video_fullscreen ? DISCL_EXCLUSIVE : DISCL_NONEXCLUSIVE))))

31 fatal("mouse_init : SetCooperativeLevel failed\n");

32 if (FAILED(lpdi_mouse->SetDataFormat(&c_dfDIMouse)))

33 fatal("mouse_init : SetDataFormat failed\n");

34 if (FAILED(lpdi_mouse->Acquire()))

35 fatal("mouse_init : Acquire failed\n");

36 }

37

38 void mouse_close()

39 {

40 if (lpdi_mouse)

41 {

42 lpdi_mouse->Release();

43 lpdi_mouse = NULL;

44 }

45 }

46

47 void mouse_poll_host()

48 {

49 if (FAILED(lpdi_mouse->GetDeviceState(sizeof(DIMOUSESTATE), (LPVOID)&mousestate)))

50 {

51 lpdi_mouse->Acquire();

52 lpdi_mouse->GetDeviceState(sizeof(DIMOUSESTATE), (LPVOID)&mousestate);

53 }

54 mouse_buttons = 0;

55 if (mousestate.rgbButtons[0] & 0x80)

56 mouse_buttons |= 1;

57 if (mousestate.rgbButtons[1] & 0x80)

58 mouse_buttons |= 2;

59 if (mousestate.rgbButtons[2] & 0x80)

60 mouse_buttons |= 4;

61 mouse_x += mousestate.lX;

62 mouse_y += mousestate.lY;

63 if (!mousecapture && !video_fullscreen)

64 mouse_x = mouse_y = mouse_buttons = 0;

65 }

66

67 void mouse_get_mickeys(int *x, int *y)

68 {

69 *x = mouse_x;

70 *y = mouse_y;

71 mouse_x = mouse_y = 0;

72 }