/* mouse_dinput_grab: [window thread]
* Grabs the mouse device.
*/
int mouse_dinput_grab(void)
{
HRESULT hr;
DWORD level;
HWND allegro_wnd = win_get_window();
if (mouse_dinput_device) {
/* necessary in order to set the cooperative level */
mouse_dinput_unacquire();
if (gfx_driver && !gfx_driver->windowed) {
level = DISCL_FOREGROUND | DISCL_EXCLUSIVE;
_TRACE(PREFIX_I "foreground exclusive cooperative level requested for mouse\n");
}
else {
level = DISCL_FOREGROUND | DISCL_NONEXCLUSIVE;
_TRACE(PREFIX_I "foreground non-exclusive cooperative level requested for mouse\n");
}
/* set cooperative level */
hr = IDirectInputDevice_SetCooperativeLevel(mouse_dinput_device, allegro_wnd, level);
if (FAILED(hr)) {
_TRACE(PREFIX_E "set cooperative level failed: %s\n", dinput_err_str(hr));
return -1;
}
mouse_dinput_acquire();
/* update the system cursor */
mouse_set_syscursor();
return 0;
}
else {
/* update the system cursor */
mouse_set_syscursor();
return -1;
}
}
/* mouse_set_sysmenu: [window thread]
* Changes the state of the mouse when going to/from sysmenu mode.
*/
int mouse_set_sysmenu(int state)
{
POINT p;
if (mouse_dinput_device) {
if (state == TRUE) {
if (_mouse_on) {
_mouse_on = FALSE;
mouse_set_syscursor();
}
}
else {
READ_CURSOR_POS(p);
}
_handle_mouse_input();
}
return 0;
}
/* directx_wnd_proc:
* Window procedure for the Allegro window class.
*/
static LRESULT CALLBACK directx_wnd_proc(HWND wnd, UINT message, WPARAM wparam, LPARAM lparam)
{
PAINTSTRUCT ps;
if (message == msg_call_proc)
return ((int (*)(void))wparam) ();
if (message == msg_suicide) {
DestroyWindow(wnd);
return 0;
}
/* See get_reverse_mapping() in wkeybd.c to see what this is for. */
if (FALSE && (message == WM_KEYDOWN || message == WM_SYSKEYDOWN)) {
static char name[256];
TCHAR str[256];
WCHAR wstr[256];
GetKeyNameText(lparam, str, sizeof str);
MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, str, -1, wstr, sizeof wstr);
uconvert((char *)wstr, U_UNICODE, name, U_CURRENT, sizeof name);
_TRACE(PREFIX_I" key[%s] = 0x%08lx;\n", name, lparam & 0x1ff0000);
}
switch (message) {
case WM_CREATE:
if (!user_wnd_proc)
allegro_wnd = wnd;
break;
case WM_DESTROY:
if (user_wnd_proc) {
exit_window_modules(NULL);
_win_reset_switch_mode();
}
else {
PostQuitMessage(0);
}
allegro_wnd = NULL;
break;
case WM_SETCURSOR:
if (!user_wnd_proc || _mouse_installed) {
mouse_set_syscursor();
return 1; /* not TRUE */
}
break;
case WM_ACTIVATE:
if (LOWORD(wparam) == WA_INACTIVE) {
_win_switch_out();
}
else {
/* Ignore the WM_ACTIVATE event if the window is minimized. */
if (HIWORD(wparam))
break;
if (gfx_driver && !gfx_driver->windowed) {
/* 1.2s delay to let Windows complete the switch in fullscreen mode */
SetTimer(allegro_wnd, SWITCH_TIMER, 1200, NULL);
}
else {
/* no delay in windowed mode */
_win_switch_in();
}
}
break;
case WM_TIMER:
if (wparam == SWITCH_TIMER) {
KillTimer(allegro_wnd, SWITCH_TIMER);
_win_switch_in();
return 0;
}
break;
case WM_ENTERSIZEMOVE:
if (win_gfx_driver && win_gfx_driver->enter_sysmode)
win_gfx_driver->enter_sysmode();
break;
case WM_EXITSIZEMOVE:
if (win_gfx_driver && win_gfx_driver->exit_sysmode)
win_gfx_driver->exit_sysmode();
break;
case WM_MOVE:
if (GetActiveWindow() == allegro_wnd) {
if (!IsIconic(allegro_wnd)) {
wnd_x = (short) LOWORD(lparam);
wnd_y = (short) HIWORD(lparam);
if (win_gfx_driver && win_gfx_driver->move)
win_gfx_driver->move(wnd_x, wnd_y, wnd_width, wnd_height);
}
else if (win_gfx_driver && win_gfx_driver->iconify) {
win_gfx_driver->iconify();
}
}
break;
case WM_SIZE:
wnd_width = LOWORD(lparam);
wnd_height = HIWORD(lparam);
break;
case WM_PAINT:
if (!user_wnd_proc || win_gfx_driver) {
BeginPaint(wnd, &ps);
if (win_gfx_driver && win_gfx_driver->paint)
win_gfx_driver->paint(&ps.rcPaint);
EndPaint(wnd, &ps);
return 0;
}
break;
case WM_KEYDOWN:
case WM_KEYUP:
case WM_SYSKEYDOWN:
case WM_SYSKEYUP:
/* Disable the default message-based key handler
* in order to prevent conflicts on NT kernels.
*/
if (!user_wnd_proc || _keyboard_installed)
return 0;
break;
case WM_SYSCOMMAND:
if (wparam == SC_MONITORPOWER || wparam == SC_SCREENSAVE) {
if (_screensaver_policy == ALWAYS_DISABLED
|| (_screensaver_policy == FULLSCREEN_DISABLED
&& gfx_driver && !gfx_driver->windowed))
return 0;
}
break;
case WM_INITMENUPOPUP:
wnd_sysmenu = TRUE;
mouse_set_sysmenu(TRUE);
if (win_gfx_driver && win_gfx_driver->enter_sysmode)
win_gfx_driver->enter_sysmode();
break;
case WM_MENUSELECT:
if ((HIWORD(wparam) == 0xFFFF) && (!lparam)) {
wnd_sysmenu = FALSE;
mouse_set_sysmenu(FALSE);
if (win_gfx_driver && win_gfx_driver->exit_sysmode)
win_gfx_driver->exit_sysmode();
}
break;
case WM_MENUCHAR :
return (MNC_CLOSE<<16)|(wparam&0xffff);
case WM_CLOSE:
if (!user_wnd_proc) {
if (user_close_proc)
(*user_close_proc)();
return 0;
}
break;
}
/* pass message to default window proc */
if (user_wnd_proc)
return CallWindowProc(user_wnd_proc, wnd, message, wparam, lparam);
else
return DefWindowProc(wnd, message, wparam, lparam);
}
