LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if (msg == WM_SETCURSOR)
{
if (LOWORD(lParam) == HTCLIENT && !MouseShouldBeGrabbed())
{
SetCursor(LoadCursor(NULL, IDC_ARROW));
return true;
}
}
else if (msg == WM_SYSCOMMAND)
{
if ((wParam & 0xFFF0) == SC_MAXIMIZE)
{
I_ToggleFullscreen();
return true;
}
else if ((wParam & 0xFFF0) == SC_KEYMENU)
return false;
}
else if (msg == WM_SYSKEYDOWN && wParam == VK_RETURN && !(lParam & 0x40000000))
{
I_ToggleFullscreen();
return true;
}
else if (msg == WM_DEVICECHANGE)
I_InitGamepad();
else if (msg == WM_SIZE && !vid_fullscreen)
blitfunc();
else if (msg == WM_GETMINMAXINFO)
{
LPMINMAXINFO minmaxinfo = (LPMINMAXINFO)lParam;
minmaxinfo->ptMinTrackSize.x = ORIGINALWIDTH + windowborderwidth;
minmaxinfo->ptMinTrackSize.y = ORIGINALWIDTH * 3 / 4 + windowborderheight;
return false;
}
return CallWindowProc(oldProc, hwnd, msg, wParam, lParam);
}
static void I_GetEvent(SDL_Window *window)
{
SDL_Event ev;
int sendmouseevent = 0;
int buttons = 0;
event_t d_event = { ev_keydown, 0, 0, 0, false };
event_t mouseevent = { ev_mouse, 0, 0, 0, false };
event_t tempevent = { ev_keydown, 0, 0, 0, false };
// [CG] 01/31/2012: Ensure we have the latest info about focus and mouse grabbing.
UpdateFocus(window);
UpdateGrab(window);
while(SDL_PollEvent(&ev))
{
// haleyjd 10/08/05: from Chocolate DOOM
if(!window_focused &&
(ev.type == SDL_MOUSEMOTION ||
ev.type == SDL_MOUSEBUTTONDOWN ||
ev.type == SDL_MOUSEBUTTONUP))
{
continue;
}
switch(ev.type)
{
case SDL_TEXTINPUT:
for(unsigned int i = 0; i < SDL_strlen(ev.text.text); i++)
{
const char currchar = ev.text.text[i];
if(ectype::isPrint(currchar))
{
event_t textevent = { ev_text, currchar, 0, 0, !!ev.key.repeat };
D_PostEvent(&textevent);
}
}
break;
case SDL_KEYDOWN:
d_event.type = ev_keydown;
d_event.repeat = !!ev.key.repeat;
d_event.data1 = I_TranslateKey(&ev.key.keysym);
#if (EE_CURRENT_PLATFORM != EE_PLATFORM_MACOSX)
// This quick exit code is adapted from PRBoom+
// See PRBoom+'s I_GetEvent for a cross-platform implementation of how to get that input.
if(ev.key.keysym.mod & KMOD_LALT)
{
// Prevent executing action on Alt-Tab
if(ev.key.keysym.scancode == SDL_SCANCODE_TAB)
break;
// Immediately exit on Alt+F4 ("Boss Key")
else if(ev.key.keysym.scancode == SDL_SCANCODE_F4)
{
I_QuitFast();
break;
}
else if(ev.key.keysym.scancode == SDL_SCANCODE_RETURN)
{
I_ToggleFullscreen();
break;
}
}
#else
// Also provide macOS option for quick exit and fullscreen toggle
if(ev.key.keysym.mod & KMOD_GUI)
{
if(ev.key.keysym.scancode == SDL_SCANCODE_Q)
{
I_QuitFast();
break;
}
else if(ev.key.keysym.scancode == SDL_SCANCODE_F)
{
I_ToggleFullscreen();
break;
}
}
#endif
// MaxW: 2017/10/12: Removed deferred event adding for caps lock
// MaxW: 2017/10/18: Removed character input
D_PostEvent(&d_event);
break;
case SDL_KEYUP:
d_event.type = ev_keyup;
d_event.data1 = I_TranslateKey(&ev.key.keysym);
D_PostEvent(&d_event);
break;
case SDL_MOUSEMOTION:
if(!usemouse || ((mouseAccel_type == ACCELTYPE_CHOCO) ||
(mouseAccel_type == ACCELTYPE_CUSTOM)))
continue;
// haleyjd 06/14/10: no mouse motion at startup.
if(gametic == 0)
continue;
// SoM 1-20-04 Ok, use xrel/yrel for mouse movement because most
// people like it the most.
if(mouseAccel_type == ACCELTYPE_NONE)
{
mouseevent.data2 += ev.motion.xrel;
mouseevent.data3 -= ev.motion.yrel;
}
else if(mouseAccel_type == ACCELTYPE_LINEAR)
{
// Simple linear acceleration
// Evaluates to 1.25 * x. So Why don't I just do that? .... shut up
mouseevent.data2 += (ev.motion.xrel + (float)(ev.motion.xrel * 0.25f));
mouseevent.data3 -= (ev.motion.yrel + (float)(ev.motion.yrel * 0.25f));
}
sendmouseevent = 1;
break;
case SDL_MOUSEBUTTONDOWN:
if(!usemouse)
continue;
d_event.type = ev_keydown;
switch(ev.button.button)
{
case SDL_BUTTON_LEFT:
sendmouseevent = 1;
buttons |= 1;
d_event.data1 = KEYD_MOUSE1;
break;
case SDL_BUTTON_MIDDLE:
// haleyjd 05/28/06: swapped MOUSE3/MOUSE2
sendmouseevent = 1;
buttons |= 4;
d_event.data1 = KEYD_MOUSE3;
break;
case SDL_BUTTON_RIGHT:
sendmouseevent = 1;
buttons |= 2;
d_event.data1 = KEYD_MOUSE2;
break;
case SDL_BUTTON_X1:
d_event.data1 = KEYD_MOUSE4;
break;
case SDL_BUTTON_X2:
d_event.data1 = KEYD_MOUSE5;
break;
}
D_PostEvent(&d_event);
break;
case SDL_MOUSEWHEEL:
if(!usemouse)
continue;
d_event.type = ev_keydown;
// SDL_TODO: Allow y to correspond to # of weps scrolled through?
if(ev.wheel.y > 0)
{
d_event.data1 = KEYD_MWHEELUP;
D_PostEvent(&d_event);
// WHEELUP sends a button up event immediately. That won't work;
// we need an input latency gap of at least one gametic.
tempevent.type = ev_keyup;
tempevent.data1 = KEYD_MWHEELUP;
I_AddDeferredEvent(tempevent, gametic + 1);
break;
}
else if(ev.wheel.y < 0)
{
d_event.data1 = KEYD_MWHEELDOWN;
D_PostEvent(&d_event);
// ditto, as above.
tempevent.type = ev_keyup;
tempevent.data1 = KEYD_MWHEELDOWN;
I_AddDeferredEvent(tempevent, gametic + 1);
break;
}
case SDL_MOUSEBUTTONUP:
if(!usemouse)
continue;
d_event.type = ev_keyup;
d_event.data1 = 0;
switch(ev.button.button)
{
case SDL_BUTTON_LEFT:
sendmouseevent = 1;
buttons &= ~1;
d_event.data1 = KEYD_MOUSE1;
break;
case SDL_BUTTON_MIDDLE:
// haleyjd 05/28/06: swapped MOUSE3/MOUSE2
sendmouseevent = 1;
buttons &= ~4;
d_event.data1 = KEYD_MOUSE3;
break;
case SDL_BUTTON_RIGHT:
sendmouseevent = 1;
buttons &= ~2;
d_event.data1 = KEYD_MOUSE2;
break;
case SDL_BUTTON_X1:
d_event.data1 = KEYD_MOUSE4;
break;
case SDL_BUTTON_X2:
d_event.data1 = KEYD_MOUSE5;
break;
}
if(d_event.data1)
D_PostEvent(&d_event);
break;
case SDL_QUIT:
MN_QuitDoom();
break;
case SDL_WINDOWEVENT:
// haleyjd 10/08/05: from Chocolate DOOM:
// need to update our focus state
// 2/14/2011: Update mouse grabbing as well (thanks Catoptromancy)
UpdateFocus(window);
UpdateGrab(window);
break;
default:
break;
}
}
if(sendmouseevent)
{
mouseevent.data1 = buttons;
D_PostEvent(&mouseevent);
}
// SoM: if paused, delay for a short amount of time to allow other threads
// to process on the system. Otherwise Eternity will use almost 100% of the
// CPU even while paused.
if(paused || !window_focused)
SDL_Delay(1);
}