quakespasm/Quake/in_sdl.c

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/*
Copyright (C) 1996-2001 Id Software, Inc.
Copyright (C) 2002-2005 John Fitzgibbons and others
Copyright (C) 2007-2008 Kristian Duske
Copyright (C) 2010-2014 QuakeSpasm developers
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "quakedef.h"
#if defined(SDL_FRAMEWORK) || defined(NO_SDL_CONFIG)
#if defined(USE_SDL2)
#include <SDL2/SDL.h>
#else
#include <SDL/SDL.h>
#endif
#else
#include "SDL.h"
#endif
static qboolean textmode;
#ifdef __APPLE__
/* Mouse acceleration needs to be disabled on OS X */
#define MACOS_X_ACCELERATION_HACK
#endif
#ifdef MACOS_X_ACCELERATION_HACK
#include <IOKit/IOTypes.h>
#include <IOKit/hidsystem/IOHIDLib.h>
#include <IOKit/hidsystem/IOHIDParameter.h>
#include <IOKit/hidsystem/event_status_driver.h>
#endif
static qboolean no_mouse = false;
static int buttonremap[] =
{
K_MOUSE1,
K_MOUSE3, /* right button */
K_MOUSE2, /* middle button */
#if !defined(USE_SDL2) /* mousewheel up/down not counted as buttons in SDL2 */
K_MWHEELUP,
K_MWHEELDOWN,
#endif
K_MOUSE4,
K_MOUSE5
};
/* mouse variables */
cvar_t m_filter = {"m_filter","0",CVAR_NONE};
/* total accumulated mouse movement since last frame,
* gets updated from the main game loop via IN_MouseMove */
static int total_dx, total_dy = 0;
static int IN_FilterMouseEvents (const SDL_Event *event)
{
switch (event->type)
{
case SDL_MOUSEMOTION:
// case SDL_MOUSEBUTTONDOWN:
// case SDL_MOUSEBUTTONUP:
return 0;
}
return 1;
}
#if defined(USE_SDL2)
static int IN_SDL2_FilterMouseEvents (void *userdata, SDL_Event *event)
{
return IN_FilterMouseEvents (event);
}
#endif
static void IN_BeginIgnoringMouseEvents()
{
#if defined(USE_SDL2)
SDL_EventFilter currentFilter = NULL;
void *currentUserdata = NULL;
SDL_GetEventFilter(&currentFilter, &currentUserdata);
if (currentFilter != IN_SDL2_FilterMouseEvents)
SDL_SetEventFilter(IN_SDL2_FilterMouseEvents, NULL);
#else
if (SDL_GetEventFilter() != IN_FilterMouseEvents)
SDL_SetEventFilter(IN_FilterMouseEvents);
#endif
}
static void IN_EndIgnoringMouseEvents()
{
#if defined(USE_SDL2)
SDL_EventFilter currentFilter;
void *currentUserdata;
if (SDL_GetEventFilter(&currentFilter, &currentUserdata) == SDL_TRUE)
SDL_SetEventFilter(NULL, NULL);
#else
if (SDL_GetEventFilter() != NULL)
SDL_SetEventFilter(NULL);
#endif
}
#ifdef MACOS_X_ACCELERATION_HACK
static cvar_t in_disablemacosxmouseaccel = {"in_disablemacosxmouseaccel", "1", CVAR_ARCHIVE};
static double originalMouseSpeed = -1.0;
static io_connect_t IN_GetIOHandle(void)
{
io_connect_t iohandle = MACH_PORT_NULL;
io_service_t iohidsystem = MACH_PORT_NULL;
mach_port_t masterport;
kern_return_t status;
status = IOMasterPort(MACH_PORT_NULL, &masterport);
if (status != KERN_SUCCESS)
return 0;
iohidsystem = IORegistryEntryFromPath(masterport, kIOServicePlane ":/IOResources/IOHIDSystem");
if (!iohidsystem)
return 0;
status = IOServiceOpen(iohidsystem, mach_task_self(), kIOHIDParamConnectType, &iohandle);
IOObjectRelease(iohidsystem);
return iohandle;
}
static void IN_DisableOSXMouseAccel (void)
{
io_connect_t mouseDev = IN_GetIOHandle();
if (mouseDev != 0)
{
if (IOHIDGetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), &originalMouseSpeed) == kIOReturnSuccess)
{
if (IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), -1.0) != kIOReturnSuccess)
{
Cvar_Set("in_disablemacosxmouseaccel", "0");
Con_Printf("WARNING: Could not disable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
}
}
else
{
Cvar_Set("in_disablemacosxmouseaccel", "0");
Con_Printf("WARNING: Could not disable mouse acceleration (failed at IOHIDGetAccelerationWithKey).\n");
}
IOServiceClose(mouseDev);
}
else
{
Cvar_Set("in_disablemacosxmouseaccel", "0");
Con_Printf("WARNING: Could not disable mouse acceleration (failed at IO_GetIOHandle).\n");
}
}
static void IN_ReenableOSXMouseAccel (void)
{
io_connect_t mouseDev = IN_GetIOHandle();
if (mouseDev != 0)
{
if (IOHIDSetAccelerationWithKey(mouseDev, CFSTR(kIOHIDMouseAccelerationType), originalMouseSpeed) != kIOReturnSuccess)
Con_Printf("WARNING: Could not re-enable mouse acceleration (failed at IOHIDSetAccelerationWithKey).\n");
IOServiceClose(mouseDev);
}
else
{
Con_Printf("WARNING: Could not re-enable mouse acceleration (failed at IO_GetIOHandle).\n");
}
originalMouseSpeed = -1;
}
#endif /* MACOS_X_ACCELERATION_HACK */
void IN_Activate (void)
{
if (no_mouse)
return;
#ifdef MACOS_X_ACCELERATION_HACK
/* Save the status of mouse acceleration */
if (originalMouseSpeed == -1 && in_disablemacosxmouseaccel.value)
IN_DisableOSXMouseAccel();
#endif
#if defined(USE_SDL2)
if (SDL_SetRelativeMouseMode(SDL_TRUE) != 0)
{
Con_Printf("WARNING: SDL_SetRelativeMouseMode(SDL_TRUE) failed.\n");
}
#else
if (SDL_WM_GrabInput(SDL_GRAB_QUERY) != SDL_GRAB_ON)
{
SDL_WM_GrabInput(SDL_GRAB_ON);
if (SDL_WM_GrabInput(SDL_GRAB_QUERY) != SDL_GRAB_ON)
Con_Printf("WARNING: SDL_WM_GrabInput(SDL_GRAB_ON) failed.\n");
}
if (SDL_ShowCursor(SDL_QUERY) != SDL_DISABLE)
{
SDL_ShowCursor(SDL_DISABLE);
if (SDL_ShowCursor(SDL_QUERY) != SDL_DISABLE)
Con_Printf("WARNING: SDL_ShowCursor(SDL_DISABLE) failed.\n");
}
#endif
IN_EndIgnoringMouseEvents();
total_dx = 0;
total_dy = 0;
}
void IN_Deactivate (qboolean free_cursor)
{
if (no_mouse)
return;
#ifdef MACOS_X_ACCELERATION_HACK
if (originalMouseSpeed != -1)
IN_ReenableOSXMouseAccel();
#endif
if (free_cursor)
{
#if defined(USE_SDL2)
SDL_SetRelativeMouseMode(SDL_FALSE);
#else
if (SDL_WM_GrabInput(SDL_GRAB_QUERY) != SDL_GRAB_OFF)
{
SDL_WM_GrabInput(SDL_GRAB_OFF);
if (SDL_WM_GrabInput(SDL_GRAB_QUERY) != SDL_GRAB_OFF)
Con_Printf("WARNING: SDL_WM_GrabInput(SDL_GRAB_OFF) failed.\n");
}
if (SDL_ShowCursor(SDL_QUERY) != SDL_ENABLE)
{
SDL_ShowCursor(SDL_ENABLE);
if (SDL_ShowCursor(SDL_QUERY) != SDL_ENABLE)
Con_Printf("WARNING: SDL_ShowCursor(SDL_ENABLE) failed.\n");
}
#endif
}
/* discard all mouse events when input is deactivated */
IN_BeginIgnoringMouseEvents();
}
void IN_Init (void)
{
textmode = Key_InputtingText();
#if !defined(USE_SDL2)
SDL_EnableUNICODE (textmode);
if (SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY, SDL_DEFAULT_REPEAT_INTERVAL) == -1)
Con_Printf("Warning: SDL_EnableKeyRepeat() failed.\n");
#endif
if (safemode || COM_CheckParm("-nomouse"))
{
no_mouse = true;
/* discard all mouse events when input is deactivated */
IN_BeginIgnoringMouseEvents();
}
#ifdef MACOS_X_ACCELERATION_HACK
Cvar_RegisterVariable(&in_disablemacosxmouseaccel);
#endif
IN_Activate();
}
void IN_Shutdown (void)
{
IN_Deactivate(true);
}
void IN_Commands (void)
{
/* TODO: implement this for joystick support */
}
extern cvar_t cl_maxpitch; /* johnfitz -- variable pitch clamping */
extern cvar_t cl_minpitch; /* johnfitz -- variable pitch clamping */
void IN_MouseMove(int dx, int dy)
{
total_dx += dx;
total_dy += dy;
}
void IN_Move (usercmd_t *cmd)
{
int dmx, dmy;
/* TODO: fix this
if (m_filter.value)
{
dmx = (2*mx - dmx) * 0.5;
dmy = (2*my - dmy) * 0.5;
}
*/
dmx = total_dx * sensitivity.value;
dmy = total_dy * sensitivity.value;
total_dx = 0;
total_dy = 0;
if ( (in_strafe.state & 1) || (lookstrafe.value && (in_mlook.state & 1) ))
cmd->sidemove += m_side.value * dmx;
else
cl.viewangles[YAW] -= m_yaw.value * dmx;
if (in_mlook.state & 1)
{
if (dmx || dmy)
V_StopPitchDrift ();
}
if ( (in_mlook.state & 1) && !(in_strafe.state & 1))
{
cl.viewangles[PITCH] += m_pitch.value * dmy;
/* johnfitz -- variable pitch clamping */
if (cl.viewangles[PITCH] > cl_maxpitch.value)
cl.viewangles[PITCH] = cl_maxpitch.value;
if (cl.viewangles[PITCH] < cl_minpitch.value)
cl.viewangles[PITCH] = cl_minpitch.value;
}
else
{
if ((in_strafe.state & 1) && noclip_anglehack)
cmd->upmove -= m_forward.value * dmy;
else
cmd->forwardmove -= m_forward.value * dmy;
}
}
void IN_ClearStates (void)
{
}
void IN_UpdateInputMode (void)
{
qboolean want_textmode = Key_InputtingText();
if (textmode != want_textmode)
{
textmode = want_textmode;
#if !defined(USE_SDL2)
SDL_EnableUNICODE(textmode);
#else
if (textmode)
SDL_StartTextInput();
else
SDL_StopTextInput();
#endif
}
}
#if !defined(USE_SDL2)
static inline int IN_SDL_KeysymToQuakeKey(SDLKey sym)
{
if (sym > SDLK_SPACE && sym < SDLK_DELETE)
return sym;
switch (sym)
{
case SDLK_TAB: return K_TAB;
case SDLK_RETURN: return K_ENTER;
case SDLK_ESCAPE: return K_ESCAPE;
case SDLK_SPACE: return K_SPACE;
case SDLK_BACKSPACE: return K_BACKSPACE;
case SDLK_UP: return K_UPARROW;
case SDLK_DOWN: return K_DOWNARROW;
case SDLK_LEFT: return K_LEFTARROW;
case SDLK_RIGHT: return K_RIGHTARROW;
case SDLK_LALT: return K_ALT;
case SDLK_RALT: return K_ALT;
case SDLK_LCTRL: return K_CTRL;
case SDLK_RCTRL: return K_CTRL;
case SDLK_LSHIFT: return K_SHIFT;
case SDLK_RSHIFT: return K_SHIFT;
case SDLK_F1: return K_F1;
case SDLK_F2: return K_F2;
case SDLK_F3: return K_F3;
case SDLK_F4: return K_F4;
case SDLK_F5: return K_F5;
case SDLK_F6: return K_F6;
case SDLK_F7: return K_F7;
case SDLK_F8: return K_F8;
case SDLK_F9: return K_F9;
case SDLK_F10: return K_F10;
case SDLK_F11: return K_F11;
case SDLK_F12: return K_F12;
case SDLK_INSERT: return K_INS;
case SDLK_DELETE: return K_DEL;
case SDLK_PAGEDOWN: return K_PGDN;
case SDLK_PAGEUP: return K_PGUP;
case SDLK_HOME: return K_HOME;
case SDLK_END: return K_END;
case SDLK_NUMLOCK: return K_KP_NUMLOCK;
case SDLK_KP_DIVIDE: return K_KP_SLASH;
case SDLK_KP_MULTIPLY: return K_KP_STAR;
case SDLK_KP_MINUS:return K_KP_MINUS;
case SDLK_KP7: return K_KP_HOME;
case SDLK_KP8: return K_KP_UPARROW;
case SDLK_KP9: return K_KP_PGUP;
case SDLK_KP_PLUS: return K_KP_PLUS;
case SDLK_KP4: return K_KP_LEFTARROW;
case SDLK_KP5: return K_KP_5;
case SDLK_KP6: return K_KP_RIGHTARROW;
case SDLK_KP1: return K_KP_END;
case SDLK_KP2: return K_KP_DOWNARROW;
case SDLK_KP3: return K_KP_PGDN;
case SDLK_KP_ENTER: return K_KP_ENTER;
case SDLK_KP0: return K_KP_INS;
case SDLK_KP_PERIOD: return K_KP_DEL;
case SDLK_LMETA: return K_COMMAND;
case SDLK_RMETA: return K_COMMAND;
case SDLK_BREAK: return K_PAUSE;
case SDLK_PAUSE: return K_PAUSE;
case SDLK_WORLD_18: return '~'; // the '<27>' key
default: return 0;
}
}
#endif
#if defined(USE_SDL2)
static inline int IN_SDL2_ScancodeToQuakeKey(SDL_Scancode scancode)
{
switch (scancode)
{
case SDL_SCANCODE_TAB: return K_TAB;
case SDL_SCANCODE_RETURN: return K_ENTER;
case SDL_SCANCODE_RETURN2: return K_ENTER;
case SDL_SCANCODE_ESCAPE: return K_ESCAPE;
case SDL_SCANCODE_SPACE: return K_SPACE;
case SDL_SCANCODE_A: return 'a';
case SDL_SCANCODE_B: return 'b';
case SDL_SCANCODE_C: return 'c';
case SDL_SCANCODE_D: return 'd';
case SDL_SCANCODE_E: return 'e';
case SDL_SCANCODE_F: return 'f';
case SDL_SCANCODE_G: return 'g';
case SDL_SCANCODE_H: return 'h';
case SDL_SCANCODE_I: return 'i';
case SDL_SCANCODE_J: return 'j';
case SDL_SCANCODE_K: return 'k';
case SDL_SCANCODE_L: return 'l';
case SDL_SCANCODE_M: return 'm';
case SDL_SCANCODE_N: return 'n';
case SDL_SCANCODE_O: return 'o';
case SDL_SCANCODE_P: return 'p';
case SDL_SCANCODE_Q: return 'q';
case SDL_SCANCODE_R: return 'r';
case SDL_SCANCODE_S: return 's';
case SDL_SCANCODE_T: return 't';
case SDL_SCANCODE_U: return 'u';
case SDL_SCANCODE_V: return 'v';
case SDL_SCANCODE_W: return 'w';
case SDL_SCANCODE_X: return 'x';
case SDL_SCANCODE_Y: return 'y';
case SDL_SCANCODE_Z: return 'z';
case SDL_SCANCODE_1: return '1';
case SDL_SCANCODE_2: return '2';
case SDL_SCANCODE_3: return '3';
case SDL_SCANCODE_4: return '4';
case SDL_SCANCODE_5: return '5';
case SDL_SCANCODE_6: return '6';
case SDL_SCANCODE_7: return '7';
case SDL_SCANCODE_8: return '8';
case SDL_SCANCODE_9: return '9';
case SDL_SCANCODE_0: return '0';
case SDL_SCANCODE_MINUS: return '-';
case SDL_SCANCODE_EQUALS: return '=';
case SDL_SCANCODE_LEFTBRACKET: return '[';
case SDL_SCANCODE_RIGHTBRACKET: return ']';
case SDL_SCANCODE_BACKSLASH: return '\\';
case SDL_SCANCODE_NONUSHASH: return '#';
case SDL_SCANCODE_SEMICOLON: return ';';
case SDL_SCANCODE_APOSTROPHE: return '\'';
case SDL_SCANCODE_GRAVE: return '`';
case SDL_SCANCODE_COMMA: return ',';
case SDL_SCANCODE_PERIOD: return '.';
case SDL_SCANCODE_SLASH: return '/';
case SDL_SCANCODE_NONUSBACKSLASH: return '\\';
case SDL_SCANCODE_BACKSPACE: return K_BACKSPACE;
case SDL_SCANCODE_UP: return K_UPARROW;
case SDL_SCANCODE_DOWN: return K_DOWNARROW;
case SDL_SCANCODE_LEFT: return K_LEFTARROW;
case SDL_SCANCODE_RIGHT: return K_RIGHTARROW;
case SDL_SCANCODE_LALT: return K_ALT;
case SDL_SCANCODE_RALT: return K_ALT;
case SDL_SCANCODE_LCTRL: return K_CTRL;
case SDL_SCANCODE_RCTRL: return K_CTRL;
case SDL_SCANCODE_LSHIFT: return K_SHIFT;
case SDL_SCANCODE_RSHIFT: return K_SHIFT;
case SDL_SCANCODE_F1: return K_F1;
case SDL_SCANCODE_F2: return K_F2;
case SDL_SCANCODE_F3: return K_F3;
case SDL_SCANCODE_F4: return K_F4;
case SDL_SCANCODE_F5: return K_F5;
case SDL_SCANCODE_F6: return K_F6;
case SDL_SCANCODE_F7: return K_F7;
case SDL_SCANCODE_F8: return K_F8;
case SDL_SCANCODE_F9: return K_F9;
case SDL_SCANCODE_F10: return K_F10;
case SDL_SCANCODE_F11: return K_F11;
case SDL_SCANCODE_F12: return K_F12;
case SDL_SCANCODE_INSERT: return K_INS;
case SDL_SCANCODE_DELETE: return K_DEL;
case SDL_SCANCODE_PAGEDOWN: return K_PGDN;
case SDL_SCANCODE_PAGEUP: return K_PGUP;
case SDL_SCANCODE_HOME: return K_HOME;
case SDL_SCANCODE_END: return K_END;
case SDL_SCANCODE_NUMLOCKCLEAR: return K_KP_NUMLOCK;
case SDL_SCANCODE_KP_DIVIDE: return K_KP_SLASH;
case SDL_SCANCODE_KP_MULTIPLY: return K_KP_STAR;
case SDL_SCANCODE_KP_MINUS: return K_KP_MINUS;
case SDL_SCANCODE_KP_7: return K_KP_HOME;
case SDL_SCANCODE_KP_8: return K_KP_UPARROW;
case SDL_SCANCODE_KP_9: return K_KP_PGUP;
case SDL_SCANCODE_KP_PLUS: return K_KP_PLUS;
case SDL_SCANCODE_KP_4: return K_KP_LEFTARROW;
case SDL_SCANCODE_KP_5: return K_KP_5;
case SDL_SCANCODE_KP_6: return K_KP_RIGHTARROW;
case SDL_SCANCODE_KP_1: return K_KP_END;
case SDL_SCANCODE_KP_2: return K_KP_DOWNARROW;
case SDL_SCANCODE_KP_3: return K_KP_PGDN;
case SDL_SCANCODE_KP_ENTER: return K_KP_ENTER;
case SDL_SCANCODE_KP_0: return K_KP_INS;
case SDL_SCANCODE_KP_PERIOD: return K_KP_DEL;
case SDL_SCANCODE_LGUI: return K_COMMAND;
case SDL_SCANCODE_RGUI: return K_COMMAND;
case SDL_SCANCODE_PAUSE: return K_PAUSE;
default: return 0;
}
}
#endif
void IN_SendKeyEvents (void)
{
SDL_Event event;
int sym;
#if defined(USE_SDL2)
static int lastKeyDown = 0;
#endif
while (SDL_PollEvent(&event))
{
switch (event.type)
{
#if defined(USE_SDL2)
case SDL_WINDOWEVENT:
if (event.window.event == SDL_WINDOWEVENT_FOCUS_GAINED)
S_UnblockSound();
else if (event.window.event == SDL_WINDOWEVENT_FOCUS_LOST)
S_BlockSound();
break;
#else
case SDL_ACTIVEEVENT:
if (event.active.state & (SDL_APPINPUTFOCUS|SDL_APPACTIVE))
{
if (event.active.gain)
S_UnblockSound();
else S_BlockSound();
}
break;
#endif
#if defined(USE_SDL2)
case SDL_TEXTINPUT:
// SDL2: We use SDL_TEXTINPUT for typing in the console / chat.
// SDL2 uses the local keyboard layout and handles modifiers
// (shift for uppercase, etc.) for us.
if (!Key_IgnoreTextInput(lastKeyDown))
{
int i;
for (i = 0; event.text.text[i]; i++)
if ((event.text.text[i] & 0x80) == 0)
Char_Event (event.text.text[i]);
}
break;
#endif
case SDL_KEYDOWN:
if ((event.key.keysym.sym == SDLK_RETURN) &&
(event.key.keysym.mod & KMOD_ALT))
{
VID_Toggle();
break;
}
if ((event.key.keysym.sym == SDLK_ESCAPE) &&
(event.key.keysym.mod & KMOD_SHIFT))
{
Con_ToggleConsole_f();
break;
}
/* fallthrough */
case SDL_KEYUP:
#if defined(USE_SDL2)
// SDL2: we interpret the keyboard as the US layout, so keybindings
// are based on key position, not the label on the key cap.
sym = IN_SDL2_ScancodeToQuakeKey(event.key.keysym.scancode);
if (event.type == SDL_KEYDOWN)
lastKeyDown = sym;
else
lastKeyDown = 0;
Key_Event (sym, event.type == SDL_KEYDOWN);
break;
#else
sym = IN_SDL_KeysymToQuakeKey(event.key.keysym.sym);
Key_Event (sym, event.type == SDL_KEYDOWN);
if (event.type == SDL_KEYDOWN && !Key_IgnoreTextInput(sym) &&
event.key.keysym.unicode != 0 && (event.key.keysym.unicode & 0xFF80) == 0)
{
sym = event.key.keysym.unicode & 0x7F;
Char_Event (sym);
}
break;
#endif
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
if (event.button.button < 1 ||
event.button.button > sizeof(buttonremap) / sizeof(buttonremap[0]))
{
Con_Printf ("Ignored event for mouse button %d\n",
event.button.button);
break;
}
Key_Event(buttonremap[event.button.button - 1], event.button.state == SDL_PRESSED);
break;
#if defined(USE_SDL2)
case SDL_MOUSEWHEEL:
if (event.wheel.y > 0)
{
Key_Event(K_MWHEELUP, false);
Key_Event(K_MWHEELUP, true);
}
else if (event.wheel.y < 0)
{
Key_Event(K_MWHEELDOWN, false);
Key_Event(K_MWHEELDOWN, true);
}
break;
#endif
case SDL_MOUSEMOTION:
IN_MouseMove(event.motion.xrel, event.motion.yrel);
break;
case SDL_QUIT:
CL_Disconnect ();
Sys_Quit ();
break;
default:
break;
}
}
}