//
// UpdateGrab (From chocolate-doom)
//
static void UpdateGrab(void)
{
bool grab = MouseShouldBeGrabbed();
if (grab && !mousegrabbed)
{
SetCursorState(false);
SDL_WM_GrabInput(SDL_GRAB_ON);
// Warp the mouse back to the middle of the screen
if(screen)
SDL_WarpMouse(screen->width/ 2, screen->height / 2);
// eat all pending input from outside the game
SDL_Event ev;
while (SDL_PollEvent(&ev));
}
else if (!grab && mousegrabbed)
{
SetCursorState(true);
SDL_WM_GrabInput(SDL_GRAB_OFF);
}
mousegrabbed = grab;
}
//
// UpdateGrab (From chocolate-doom)
//
static void UpdateGrab(void)
{
bool grab = MouseShouldBeGrabbed();
if (grab && !mousegrabbed)
{
SetCursorState(false);
SDL_WM_GrabInput(SDL_GRAB_ON);
// Warp the mouse back to the middle of the screen
if(screen)
SDL_WarpMouse(screen->width/ 2, screen->height / 2);
I_FlushInput();
}
else if (!grab && mousegrabbed)
{
SetCursorState(true);
SDL_WM_GrabInput(SDL_GRAB_OFF);
}
#if defined WIN32 && !defined _XBOX
if (Args.CheckParm ("-gdi"))
{
if (grab)
FixGDIMouseInput();
else
RestoreGDIMouseSettings();
}
#endif
mousegrabbed = grab;
}
void CMouseBehaviour::UpdateCursor (void)
{
if ( m_bCursorOn
&& m_bHasMoved)
{
m_bHasMoved = FALSE;
SetCursorState (m_nPosX, m_nPosY, TRUE);
}
}
boolean CMouseBehaviour::ShowCursor (boolean bShow)
{
boolean bResult = m_bCursorOn;
m_bCursorOn = bShow;
assert (m_nPosX < m_nScreenWidth);
assert (m_nPosY < m_nScreenHeight);
SetCursorState (m_nPosX, m_nPosY, m_bCursorOn);
return bResult;
}
//
// I_ResumeMouse
//
void I_ResumeMouse (void)
{
if(havefocus)
{
GrabMouse();
SetCursorState(false);
// denis - disable key repeats as they mess with the mouse in XP
SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
}
mousepaused = false;
}
void I_PauseMouse (void)
{
// denis - disable key repeats as they mess with the mouse in XP
SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL);
if (fullscreen)
return;
UngrabMouse();
SetCursorState(true);
mousepaused = true;
}
//
// UpdateGrab (From chocolate-doom)
//
static void UpdateGrab(void)
{
bool grab;
grab = MouseShouldBeGrabbed();
if (grab && !mousegrabbed)
{
if(screen)
SDL_WarpMouse(screen->width/ 2, screen->height / 2);
SetCursorState(false);
SDL_WM_GrabInput(SDL_GRAB_ON);
flushmouse = true;
}
else if (!grab && mousegrabbed)
{
SetCursorState(true);
SDL_WM_GrabInput(SDL_GRAB_OFF);
}
mousegrabbed = grab;
}
boolean CMouseBehaviour::SetCursor (unsigned nPosX, unsigned nPosY)
{
assert (m_nScreenWidth > 0);
assert (m_nScreenHeight > 0);
if ( nPosX >= m_nScreenWidth
|| nPosY >= m_nScreenHeight)
{
return FALSE;
}
m_nPosX = nPosX;
m_nPosY = nPosY;
if (!m_bCursorOn)
{
return TRUE;
}
return SetCursorState (m_nPosX, m_nPosY, TRUE);
}
//
// I_GetEvent
//
void I_GetEvent (void)
{
event_t event;
event_t mouseevent = {ev_mouse, 0, 0, 0};
static int mbuttons = 0;
int sendmouseevent = 0;
SDL_Event ev;
if (!(SDL_GetAppState()&SDL_APPINPUTFOCUS) && havefocus)
{
havefocus = false;
UngrabMouse();
SetCursorState(true);
}
else if((SDL_GetAppState()&SDL_APPINPUTFOCUS) && !havefocus)
{
havefocus = true;
if(!mousepaused)
I_ResumeMouse();
}
while(SDL_PollEvent(&ev))
{
event.data1 = event.data2 = event.data3 = 0;
switch(ev.type)
{
case SDL_QUIT:
AddCommandString("quit");
break;
case SDL_KEYDOWN:
event.type = ev_keydown;
event.data1 = ev.key.keysym.sym;
if(event.data1 >= SDLK_KP0 && event.data1 <= SDLK_KP9)
event.data2 = event.data3 = '0' + (event.data1 - SDLK_KP0);
else if(event.data1 == SDLK_KP_PERIOD)
event.data2 = event.data3 = '.';
else if(event.data1 == SDLK_KP_DIVIDE)
event.data2 = event.data3 = '/';
else if(event.data1 == SDLK_KP_ENTER)
event.data2 = event.data3 = '\r';
else if ( (ev.key.keysym.unicode & 0xFF80) == 0 )
event.data2 = event.data3 = ev.key.keysym.unicode;
else
event.data2 = event.data3 = 0;
#ifdef WIN32
// SoM: Ignore the tab portion of alt-tab presses
if(event.data1 == SDLK_TAB && SDL_GetModState() & (KMOD_LALT | KMOD_RALT))
event.data1 = event.data2 = event.data3 = 0;
else
#endif
D_PostEvent(&event);
break;
case SDL_KEYUP:
event.type = ev_keyup;
event.data1 = ev.key.keysym.sym;
if ( (ev.key.keysym.unicode & 0xFF80) == 0 )
event.data2 = event.data3 = ev.key.keysym.unicode;
else
event.data2 = event.data3 = 0;
D_PostEvent(&event);
break;
case SDL_MOUSEMOTION:
if(flushmouse)
{
flushmouse = false;
break;
}
// denis - ignore artificially inserted events (see SDL_WarpMouse below)
if(ev.motion.x == screen->width/2 &&
ev.motion.y == screen->height/2)
{
break;
}
mouseevent.data2 += AccelerateMouse(ev.motion.xrel);
mouseevent.data3 -= AccelerateMouse(ev.motion.yrel);
sendmouseevent = 1;
break;
case SDL_MOUSEBUTTONDOWN:
if(nomouse)
break;
event.type = ev_keydown;
if(ev.button.button == SDL_BUTTON_LEFT)
{
event.data1 = KEY_MOUSE1;
mbuttons |= 1;
}
else if(ev.button.button == SDL_BUTTON_RIGHT)
{
event.data1 = KEY_MOUSE2;
mbuttons |= 2;
}
else if(ev.button.button == SDL_BUTTON_MIDDLE)
{
event.data1 = KEY_MOUSE3;
mbuttons |= 4;
}
else if(ev.button.button == SDL_BUTTON_WHEELUP)
event.data1 = KEY_MWHEELUP;
else if(ev.button.button == SDL_BUTTON_WHEELDOWN)
event.data1 = KEY_MWHEELDOWN;
D_PostEvent(&event);
break;
case SDL_MOUSEBUTTONUP:
if(nomouse)
break;
event.type = ev_keyup;
if(ev.button.button == SDL_BUTTON_LEFT)
{
event.data1 = KEY_MOUSE1;
mbuttons &= ~1;
}
else if(ev.button.button == SDL_BUTTON_RIGHT)
{
event.data1 = KEY_MOUSE2;
mbuttons &= ~2;
}
else if(ev.button.button == SDL_BUTTON_MIDDLE)
{
event.data1 = KEY_MOUSE3;
mbuttons &= ~4;
}
else if(ev.button.button == SDL_BUTTON_WHEELUP)
event.data1 = KEY_MWHEELUP;
else if(ev.button.button == SDL_BUTTON_WHEELDOWN)
event.data1 = KEY_MWHEELDOWN;
D_PostEvent(&event);
break;
};
}
if(!nomouse)
{
if(sendmouseevent)
{
mouseevent.data1 = mbuttons;
D_PostEvent(&mouseevent);
}
if(mousegrabbed && screen)
{
SDL_WarpMouse(screen->width/ 2, screen->height / 2);
}
}
}
