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cnq3/code/win32/win_input.cpp

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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.
Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "../client/client.h"
#include "win_local.h"
struct Mouse {
virtual qbool Init() { return qtrue; }
virtual qbool Activate( qbool active );
virtual void Shutdown() {}
virtual qbool ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam ) { return qfalse; } // returns true if the event was handled
Mouse() : active(qfalse), wheel(0) {}
void UpdateWheel( int delta );
private:
qbool active;
int wheel;
};
static Mouse* mouse;
qbool Mouse::Activate( qbool _active )
{
if (active == _active)
return qfalse;
active = _active;
wheel = 0;
return qtrue;
}
void Mouse::UpdateWheel( int delta )
{
wheel += delta;
while (wheel >= WHEEL_DELTA) {
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MWHEELUP, qtrue, 0, NULL );
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MWHEELUP, qfalse, 0, NULL );
wheel -= WHEEL_DELTA;
}
while (wheel <= -WHEEL_DELTA) {
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MWHEELDOWN, qtrue, 0, NULL );
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MWHEELDOWN, qfalse, 0, NULL );
wheel += WHEEL_DELTA;
}
}
///////////////////////////////////////////////////////////////
struct rawmouse_t : public Mouse {
virtual qbool Init();
virtual qbool Activate( qbool active );
virtual qbool ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam );
};
static rawmouse_t rawmouse;
qbool rawmouse_t::Init()
{
return Activate( qtrue );
}
qbool rawmouse_t::Activate( qbool active )
{
// RIDEV_NOLEGACY means we only get WM_INPUT and not WM_LBUTTONDOWN etc
RAWINPUTDEVICE rid;
rid.usUsagePage = 1;
rid.usUsage = 2;
rid.dwFlags = active ? RIDEV_NOLEGACY : RIDEV_REMOVE;
rid.hwndTarget = NULL;
return !!RegisterRawInputDevices( &rid, 1, sizeof(rid) );
}
// MSDN says you have to always let DefWindowProc run for WM_INPUT
// regardless of whether you process the message or not, so ALWAYS return false here
qbool rawmouse_t::ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam )
{
if (msg != WM_INPUT)
return qfalse;
HRAWINPUT h = (HRAWINPUT)lParam;
UINT size;
if (GetRawInputData( h, RID_INPUT, NULL, &size, sizeof(RAWINPUTHEADER) ) == -1)
return qfalse;
RAWINPUT ri;
if (GetRawInputData( h, RID_INPUT, &ri, &size, sizeof(RAWINPUTHEADER) ) != size)
return qfalse;
if ( (ri.header.dwType != RIM_TYPEMOUSE) || (ri.data.mouse.usFlags != MOUSE_MOVE_RELATIVE) )
return qfalse;
const int dx = (int)ri.data.mouse.lLastX;
const int dy = (int)ri.data.mouse.lLastY;
if (dx != 0 || dy != 0)
Sys_QueEvent( g_wv.sysMsgTime, SE_MOUSE, dx, dy, 0, NULL );
if (!ri.data.mouse.usButtonFlags) // no button or wheel transitions
return qfalse;
if (ri.data.mouse.usButtonFlags & RI_MOUSE_WHEEL)
UpdateWheel( (SHORT)ri.data.mouse.usButtonData );
// typical MS clusterfuck for button handling, sigh... and better yet,
// ulRawButtons isn't actually populated at all with the ms mouse drivers
#define QUEUE_RI_BUTTON( button ) \
if (ri.data.mouse.usButtonFlags & (RI_MOUSE_BUTTON_##button##_DOWN)) \
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MOUSE##button##, qtrue, 0, NULL ); \
if (ri.data.mouse.usButtonFlags & (RI_MOUSE_BUTTON_##button##_UP)) \
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MOUSE##button##, qfalse, 0, NULL );
QUEUE_RI_BUTTON( 1 );
QUEUE_RI_BUTTON( 2 );
QUEUE_RI_BUTTON( 3 );
QUEUE_RI_BUTTON( 4 );
QUEUE_RI_BUTTON( 5 );
#undef QUEUE_RI_BUTTON
return qfalse;
}
///////////////////////////////////////////////////////////////
struct winmouse_t : public Mouse {
virtual qbool Activate( qbool active );
virtual qbool ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam );
void UpdateWindowCenter();
int window_center_x, window_center_y;
qbool active;
};
static winmouse_t winmouse;
void winmouse_t::UpdateWindowCenter()
{
const RECT& rect = g_wv.monitorRects[g_wv.monitor];
window_center_x = (int)( rect.left + rect.right ) / 2;
window_center_y = (int)( rect.top + rect.bottom ) / 2;
}
qbool winmouse_t::Activate( qbool _active )
{
active = _active;
if (!_active)
return qtrue;
UpdateWindowCenter();
SetCursorPos( window_center_x, window_center_y );
return qtrue;
}
qbool winmouse_t::ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam )
{
if ( !active )
return qfalse;
UpdateWindowCenter();
#define QUEUE_WM_BUTTON( qbutton, mask ) \
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, qbutton, (wParam & mask), 0, NULL );
POINT p;
GetCursorPos( &p );
const int dx = p.x - window_center_x;
const int dy = p.y - window_center_y;
if (dx != 0 || dy != 0) {
Sys_QueEvent( g_wv.sysMsgTime, SE_MOUSE, dx, dy, 0, NULL );
SetCursorPos( window_center_x, window_center_y );
}
switch (msg) {
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
QUEUE_WM_BUTTON( K_MOUSE1, MK_LBUTTON );
break;
case WM_RBUTTONDOWN:
case WM_RBUTTONUP:
QUEUE_WM_BUTTON( K_MOUSE2, MK_RBUTTON );
break;
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
QUEUE_WM_BUTTON( K_MOUSE3, MK_MBUTTON );
break;
case WM_XBUTTONDOWN:
case WM_XBUTTONUP:
if (GET_XBUTTON_WPARAM(wParam) == XBUTTON1)
QUEUE_WM_BUTTON( K_MOUSE4, MK_XBUTTON1 );
if (GET_XBUTTON_WPARAM(wParam) == XBUTTON2)
QUEUE_WM_BUTTON( K_MOUSE5, MK_XBUTTON2 );
break;
#undef QUEUE_WM_BUTTON
case WM_MOUSEWHEEL:
UpdateWheel( GET_WHEEL_DELTA_WPARAM(wParam) );
break;
default:
return qfalse;
}
return qtrue;
}
///////////////////////////////////////////////////////////////
static void IN_StartupMouse()
{
assert( !mouse );
mouse = 0;
cvar_t* in_mouse = Cvar_Get( "in_mouse", "1", CVAR_ARCHIVE|CVAR_LATCH );
in_mouse->modified = qfalse;
if (!in_mouse->integer) {
Com_Printf( "Mouse not active.\n" );
return;
}
if (in_mouse->integer == 1) {
if (rawmouse.Init()) {
mouse = &rawmouse;
Com_Printf( "Using raw mouse input\n" );
return;
}
Com_Printf( "Raw mouse initialization failed\n" );
}
mouse = &winmouse;
mouse->Init();
Com_Printf( "Using Win32 mouse input\n" );
}
qbool IN_ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam )
{
if (!mouse)
return qfalse;
return mouse->ProcessMessage( msg, wParam, lParam );
}
///////////////////////////////////////////////////////////////
static void IN_StartupMIDI();
static void IN_ShutdownMIDI();
static void IN_StartupJoystick();
static void IN_JoyMove();
static void IN_StartupHotKey( qbool fullStartUp );
static void IN_ShutDownHotKey();
static void IN_UpdateHotKey();
cvar_t* in_joystick;
cvar_t* in_midi;
cvar_t* in_minimize;
static void IN_Startup()
{
QSUBSYSTEM_INIT_START( "Input" );
IN_StartupMouse();
IN_StartupJoystick();
IN_StartupMIDI();
IN_StartupHotKey( qtrue );
QSUBSYSTEM_INIT_DONE( "Input" );
}
void IN_Init()
{
in_midi = Cvar_Get( "in_midi", "0", CVAR_ARCHIVE );
in_joystick = Cvar_Get( "in_joystick", "0", CVAR_ARCHIVE|CVAR_LATCH );
in_joystick->modified = qfalse;
IN_Startup();
}
void IN_Shutdown()
{
IN_Activate( qfalse );
if (mouse) {
mouse->Shutdown();
mouse = NULL;
}
IN_ShutdownMIDI();
IN_ShutDownHotKey();
}
void IN_SetCursorSettings( qbool active )
{
if (active) {
while (ShowCursor(FALSE) >= 0)
;
RECT rc;
GetWindowRect( g_wv.hWnd, &rc );
SetCapture( g_wv.hWnd );
ClipCursor( &rc );
} else {
while (ShowCursor(TRUE) < 0)
;
ClipCursor( NULL );
ReleaseCapture();
}
}
// called when the window gains or loses focus or changes in some way
// the window may have been destroyed and recreated between a deactivate and an activate
void IN_Activate( qbool active )
{
if ( !mouse || !mouse->Mouse::Activate( active ) )
return;
IN_SetCursorSettings( active );
mouse->Activate( active );
}
qbool IN_ShouldBeActive()
{
return g_wv.activeApp && (!(cls.keyCatchers & KEYCATCH_CONSOLE) || Cvar_VariableIntegerValue("r_fullscreen"));
}
// called every frame, even if not generating commands
void IN_Frame()
{
IN_JoyMove();
IN_UpdateHotKey();
if (!mouse)
return;
IN_Activate( IN_ShouldBeActive() );
}
/*
=========================================================================
JOYSTICK
=========================================================================
*/
typedef struct {
qbool avail;
int id; // joystick number
JOYCAPS jc;
int oldbuttonstate;
int oldpovstate;
JOYINFOEX ji;
} joystickInfo_t;
static joystickInfo_t joy;
static const cvar_t* in_joyBallScale;
static const cvar_t* in_debugJoystick;
static const cvar_t* joy_threshold;
static void IN_StartupJoystick()
{
// assume no joystick
joy.avail = qfalse;
if ( !in_joystick->integer )
return;
// verify joystick driver is present
int numdevs;
if ((numdevs = joyGetNumDevs()) == 0)
{
Com_Printf( "joystick not found -- driver not present\n" );
return;
}
// cycle through the joystick ids for the first valid one
MMRESULT mmr = !JOYERR_NOERROR;
for (joy.id=0 ; joy.id<numdevs ; joy.id++)
{
Com_Memset (&joy.ji, 0, sizeof(joy.ji));
joy.ji.dwSize = sizeof(joy.ji);
joy.ji.dwFlags = JOY_RETURNCENTERED;
if ((mmr = joyGetPosEx (joy.id, &joy.ji)) == JOYERR_NOERROR)
break;
}
// abort startup if we didn't find a valid joystick
if (mmr != JOYERR_NOERROR)
{
Com_Printf( "joystick not found -- no valid joysticks (%x)\n", mmr );
return;
}
// get the capabilities of the selected joystick
// abort startup if command fails
Com_Memset (&joy.jc, 0, sizeof(joy.jc));
if ((mmr = joyGetDevCaps (joy.id, &joy.jc, sizeof(joy.jc))) != JOYERR_NOERROR)
{
Com_Printf( "joystick not found -- invalid joystick capabilities (%x)\n", mmr );
return;
}
// activate and archive the cvars since they actually want joystick support
in_debugJoystick = Cvar_Get ("in_debugjoystick", "0", CVAR_TEMP);
in_joyBallScale = Cvar_Get ("in_joyBallScale", "0.02", CVAR_ARCHIVE);
joy_threshold = Cvar_Get ("joy_threshold", "0.15", CVAR_ARCHIVE);
Com_Printf( "Joystick found.\n" );
Com_Printf( "Pname: %s\n", joy.jc.szPname );
Com_Printf( "OemVxD: %s\n", joy.jc.szOEMVxD );
Com_Printf( "RegKey: %s\n", joy.jc.szRegKey );
Com_Printf( "Numbuttons: %i / %i\n", joy.jc.wNumButtons, joy.jc.wMaxButtons );
Com_Printf( "Axis: %i / %i\n", joy.jc.wNumAxes, joy.jc.wMaxAxes );
Com_Printf( "Caps: 0x%x\n", joy.jc.wCaps );
if ( joy.jc.wCaps & JOYCAPS_HASPOV ) {
Com_Printf( "HASPOV\n" );
} else {
Com_Printf( "no POV\n" );
}
// old button and POV states default to no buttons pressed
joy.oldbuttonstate = 0;
joy.oldpovstate = 0;
// mark the joystick as available
joy.avail = qtrue;
}
static float JoyToF( int value )
{
float fValue;
// move centerpoint to zero
value -= 32768;
// convert range from -32768..32767 to -1..1
fValue = (float)value / 32768.0;
return Com_Clamp( -1, 1, fValue );
}
static int JoyToI( int value )
{
// move centerpoint to zero
return (value - 32768);
}
static const int joyDirectionKeys[16] = {
K_LEFTARROW, K_RIGHTARROW,
K_UPARROW, K_DOWNARROW,
K_JOY16, K_JOY17,
K_JOY18, K_JOY19,
K_JOY20, K_JOY21,
K_JOY22, K_JOY23,
K_JOY24, K_JOY25,
K_JOY26, K_JOY27
};
static void IN_JoyMove()
{
float fAxisValue;
UINT i;
DWORD buttonstate, povstate;
int x, y;
// verify joystick is available and that the user wants to use it
if ( !joy.avail ) {
return;
}
// collect the joystick data, if possible
Com_Memset (&joy.ji, 0, sizeof(joy.ji));
joy.ji.dwSize = sizeof(joy.ji);
joy.ji.dwFlags = JOY_RETURNALL;
if ( joyGetPosEx (joy.id, &joy.ji) != JOYERR_NOERROR ) {
// read error occurred
// turning off the joystick seems too harsh for 1 read error,
// but what should be done?
// Com_Printf ("IN_ReadJoystick: no response\n");
// joy.avail = qfalse;
return;
}
if ( in_debugJoystick->integer ) {
Com_Printf( "%8x %5i %5.2f %5.2f %5.2f %5.2f %6i %6i\n",
joy.ji.dwButtons,
joy.ji.dwPOV,
JoyToF( joy.ji.dwXpos ), JoyToF( joy.ji.dwYpos ),
JoyToF( joy.ji.dwZpos ), JoyToF( joy.ji.dwRpos ),
JoyToI( joy.ji.dwUpos ), JoyToI( joy.ji.dwVpos ) );
}
// loop through the joystick buttons
// key a joystick event or auxillary event for higher number buttons for each state change
buttonstate = joy.ji.dwButtons;
for ( i=0 ; i < joy.jc.wNumButtons ; i++ ) {
if ( (buttonstate & (1<<i)) && !(joy.oldbuttonstate & (1<<i)) ) {
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_JOY1 + i, qtrue, 0, NULL );
}
if ( !(buttonstate & (1<<i)) && (joy.oldbuttonstate & (1<<i)) ) {
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_JOY1 + i, qfalse, 0, NULL );
}
}
joy.oldbuttonstate = buttonstate;
povstate = 0;
// convert main joystick motion into 6 direction button bits
for (i = 0; i < joy.jc.wNumAxes && i < 4 ; i++) {
// get the floating point zero-centered, potentially-inverted data for the current axis
fAxisValue = JoyToF( (&joy.ji.dwXpos)[i] );
if ( fAxisValue < -joy_threshold->value ) {
povstate |= (1<<(i*2));
} else if ( fAxisValue > joy_threshold->value ) {
povstate |= (1<<(i*2+1));
}
}
// convert POV information from a direction into 4 button bits
if ( joy.jc.wCaps & JOYCAPS_HASPOV ) {
if ( joy.ji.dwPOV != JOY_POVCENTERED ) {
if (joy.ji.dwPOV == JOY_POVFORWARD)
povstate |= 1<<12;
if (joy.ji.dwPOV == JOY_POVBACKWARD)
povstate |= 1<<13;
if (joy.ji.dwPOV == JOY_POVRIGHT)
povstate |= 1<<14;
if (joy.ji.dwPOV == JOY_POVLEFT)
povstate |= 1<<15;
}
}
// determine which bits have changed and key an auxillary event for each change
for (i=0 ; i < 16 ; i++) {
if ( (povstate & (1<<i)) && !(joy.oldpovstate & (1<<i)) ) {
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, joyDirectionKeys[i], qtrue, 0, NULL );
}
if ( !(povstate & (1<<i)) && (joy.oldpovstate & (1<<i)) ) {
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, joyDirectionKeys[i], qfalse, 0, NULL );
}
}
joy.oldpovstate = povstate;
// if there is a trackball like interface, simulate mouse moves
if ( joy.jc.wNumAxes >= 6 ) {
x = JoyToI( joy.ji.dwUpos ) * in_joyBallScale->value;
y = JoyToI( joy.ji.dwVpos ) * in_joyBallScale->value;
if ( x || y ) {
Sys_QueEvent( g_wv.sysMsgTime, SE_MOUSE, x, y, 0, NULL );
}
}
}
/*
=========================================================================
MIDI
=========================================================================
*/
#define MAX_MIDIIN_DEVICES 8
typedef struct {
int numDevices;
MIDIINCAPS caps[MAX_MIDIIN_DEVICES];
HMIDIIN hMidiIn;
} MidiInfo_t;
static MidiInfo_t s_midiInfo;
static const cvar_t* in_midiport;
static const cvar_t* in_midichannel;
static const cvar_t* in_mididevice;
static void MIDI_NoteOff( int note )
{
int qkey;
qkey = note - 60 + K_AUX1;
if ( qkey > 255 || qkey < K_AUX1 )
return;
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, qkey, qfalse, 0, NULL );
}
static void MIDI_NoteOn( int note, int velocity )
{
int qkey;
if ( velocity == 0 )
MIDI_NoteOff( note );
qkey = note - 60 + K_AUX1;
if ( qkey > 255 || qkey < K_AUX1 )
return;
Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, qkey, qtrue, 0, NULL );
}
static void CALLBACK MidiInProc( HMIDIIN hMidiIn, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2 )
{
int message;
switch ( uMsg )
{
case MIM_OPEN:
break;
case MIM_CLOSE:
break;
case MIM_DATA:
message = dwParam1 & 0xff;
if ( ( message & 0xf0 ) == 0x90 )
{
if ( ( ( message & 0x0f ) + 1 ) == in_midichannel->integer )
MIDI_NoteOn( ( dwParam1 & 0xff00 ) >> 8, ( dwParam1 & 0xff0000 ) >> 16 );
}
else if ( ( message & 0xf0 ) == 0x80 )
{
if ( ( ( message & 0x0f ) + 1 ) == in_midichannel->integer )
MIDI_NoteOff( ( dwParam1 & 0xff00 ) >> 8 );
}
break;
case MIM_LONGDATA:
break;
case MIM_ERROR:
break;
case MIM_LONGERROR:
break;
}
// Sys_QueEvent( sys_msg_time, SE_KEY, wMsg, qtrue, 0, NULL );
}
static void MidiInfo_f( void )
{
int i;
const char *enableStrings[] = { "disabled", "enabled" };
Com_Printf( "\nMIDI control: %s\n", enableStrings[in_midi->integer != 0] );
Com_Printf( "port: %d\n", in_midiport->integer );
Com_Printf( "channel: %d\n", in_midichannel->integer );
Com_Printf( "current device: %d\n", in_mididevice->integer );
Com_Printf( "number of devices: %d\n", s_midiInfo.numDevices );
for ( i = 0; i < s_midiInfo.numDevices; i++ )
{
if ( i == Cvar_VariableValue( "in_mididevice" ) )
Com_Printf( "***" );
else
Com_Printf( "..." );
Com_Printf( "device %2d: %s\n", i, s_midiInfo.caps[i].szPname );
Com_Printf( "...manufacturer ID: 0x%hx\n", s_midiInfo.caps[i].wMid );
Com_Printf( "...product ID: 0x%hx\n", s_midiInfo.caps[i].wPid );
Com_Printf( "\n" );
}
}
static void IN_StartupMIDI()
{
int i;
if ( !Cvar_VariableValue( "in_midi" ) )
return;
//
// enumerate MIDI IN devices
//
s_midiInfo.numDevices = midiInGetNumDevs();
for ( i = 0; i < s_midiInfo.numDevices; i++ )
{
midiInGetDevCaps( i, &s_midiInfo.caps[i], sizeof( s_midiInfo.caps[i] ) );
}
// activate and archive the cvars since they actually want midi support
in_midiport = Cvar_Get ("in_midiport", "1", CVAR_ARCHIVE);
in_midichannel = Cvar_Get ("in_midichannel", "1", CVAR_ARCHIVE);
in_mididevice = Cvar_Get ("in_mididevice", "0", CVAR_ARCHIVE);
Cmd_AddCommand( "midiinfo", MidiInfo_f );
//
// open the MIDI IN port
//
if ( midiInOpen( &s_midiInfo.hMidiIn,
in_mididevice->integer,
( unsigned long ) MidiInProc,
( unsigned long ) NULL,
CALLBACK_FUNCTION ) != MMSYSERR_NOERROR )
{
Com_Printf( "WARNING: could not open MIDI device %d: '%s'\n", in_mididevice->integer , s_midiInfo.caps[( int ) in_mididevice->value] );
return;
}
midiInStart( s_midiInfo.hMidiIn );
}
static void IN_ShutdownMIDI()
{
if ( s_midiInfo.hMidiIn )
midiInClose( s_midiInfo.hMidiIn );
Com_Memset( &s_midiInfo, 0, sizeof( s_midiInfo ) );
Cmd_RemoveCommand( "midiinfo" );
}
/*
=========================================================================
MINIMIZE HOTKEY
=========================================================================
*/
#ifndef MOD_NOREPEAT
#define MOD_NOREPEAT 0x4000
#endif
static void WIN_RegisterHotKey( UINT modifiers, UINT key )
{
if ( g_wv.minimizeHotKeyValid )
return;
// the return value, when not 0, is guaranteed to be in
// the proper range for RegisterHotKey
const int atom = (int)GlobalAddAtom( "cnq3_minimize_hotkey" );
if ( atom == 0 )
return;
if ( RegisterHotKey(g_wv.hWnd, atom, modifiers | MOD_NOREPEAT, key) == 0 )
{
GlobalDeleteAtom( (ATOM)atom );
Com_Printf( "ERROR: the in_minimize hotkey registration failed\n" );
return;
}
g_wv.minimizeHotKeyValid = qtrue;
g_wv.minimizeHotKeyId = atom;
g_wv.minimizeHotKeyKey = key;
g_wv.minimizeHotKeyMods = modifiers;
}
void WIN_RegisterLastValidHotKey()
{
if ( g_wv.minimizeHotKeyKey != 0 )
WIN_RegisterHotKey( g_wv.minimizeHotKeyMods, g_wv.minimizeHotKeyKey );
}
void WIN_UnregisterHotKey()
{
if ( !g_wv.minimizeHotKeyValid )
return;
UnregisterHotKey( g_wv.hWnd, g_wv.minimizeHotKeyId );
GlobalDeleteAtom( (ATOM)g_wv.minimizeHotKeyId );
g_wv.minimizeHotKeyValid = qfalse;
g_wv.minimizeHotKeyId = 0;
}
typedef struct {
const char* name;
UINT key; // or flag
qbool reserved;
} win_keyMap_t;
#define KEY(Name, Key) { Name, Key, qfalse }
#define KEYR(Name, Key) { Name, Key, qtrue }
static const win_keyMap_t win_stdKeyMaps[] =
{
KEYR("back", VK_BACK),
KEYR("backspace", VK_BACK),
KEY("tab", VK_TAB),
KEYR("return", VK_RETURN),
KEYR("enter", VK_RETURN),
KEY("pause", VK_PAUSE),
KEY("capital", VK_CAPITAL),
KEY("caps", VK_CAPITAL),
KEY("capslock", VK_CAPITAL),
KEYR("esc", VK_ESCAPE),
KEYR("escape", VK_ESCAPE),
KEYR("space", VK_SPACE),
KEY("pageup", VK_PRIOR),
KEY("pgup", VK_PRIOR),
KEY("pagedown", VK_NEXT),
KEY("pgdn", VK_NEXT),
KEY("end", VK_END),
KEY("home", VK_HOME),
KEY("left", VK_LEFT),
KEY("leftarrow", VK_LEFT),
KEY("up", VK_UP),
KEY("uparrow", VK_UP),
KEY("right", VK_RIGHT),
KEY("rightarrow", VK_RIGHT),
KEY("down", VK_DOWN),
KEY("downarrow", VK_DOWN),
KEY("select", VK_SELECT),
KEY("print", VK_PRINT),
KEY("snapshot", VK_SNAPSHOT),
KEY("printscreen", VK_SNAPSHOT),
KEY("prtsc", VK_SNAPSHOT),
KEY("insert", VK_INSERT),
KEY("ins", VK_INSERT),
KEYR("delete", VK_DELETE),
KEYR("del", VK_DELETE),
KEY("kpmultiply", VK_MULTIPLY),
KEY("kpmul", VK_MULTIPLY),
KEY("kpadd", VK_ADD),
KEY("kpsubtract", VK_SUBTRACT),
KEY("kpsub", VK_SUBTRACT),
KEY("kpdecimal", VK_DECIMAL),
KEY("kpdec", VK_DECIMAL),
KEY("kpdelete", VK_DECIMAL),
KEY("kpdel", VK_DECIMAL),
KEY("kpdivide", VK_DIVIDE),
KEY("kpdiv", VK_DIVIDE),
KEY("numlock", VK_NUMLOCK),
KEY("kpnumlock", VK_NUMLOCK),
KEY("kplock", VK_NUMLOCK),
KEY("scrolllock", VK_SCROLL),
KEY("scroll", VK_SCROLL),
KEY("oem1", VK_OEM_1),
KEY(";", VK_OEM_1),
KEY(":", VK_OEM_1),
KEY("oem2", VK_OEM_2),
KEY("/", VK_OEM_2),
KEY("?", VK_OEM_2),
KEY("oem3", VK_OEM_3),
KEY("backtick", VK_OEM_3),
KEY("tilde", VK_OEM_3),
KEY("oem4", VK_OEM_4),
KEY("[", VK_OEM_4),
KEY("{", VK_OEM_4),
KEY("oem5", VK_OEM_5),
KEY("\\", VK_OEM_5),
KEY("|", VK_OEM_5),
KEY("oem6", VK_OEM_6),
KEY("]", VK_OEM_6),
KEY("}", VK_OEM_6),
KEY("oem7", VK_OEM_7),
KEY("\"", VK_OEM_7),
KEY("'", VK_OEM_7),
KEY("oem8", VK_OEM_8),
KEY("oem102", VK_OEM_102),
KEY("+", VK_OEM_PLUS),
KEY("=", VK_OEM_PLUS),
KEY(",", VK_OEM_COMMA),
KEY("<", VK_OEM_COMMA),
KEY("-", VK_OEM_MINUS),
KEY("_", VK_OEM_MINUS),
KEY(".", VK_OEM_PERIOD),
KEY(">", VK_OEM_PERIOD),
KEY("!", '1'),
KEY("@", '2'),
KEY("#", '3'),
KEY("$", '4'),
KEY("%", '5'),
KEY("^", '6'),
KEY("&", '7'),
KEY("*", '8'),
KEY("(", '9'),
KEY(")", '0'),
KEY("kp0", 0x60),
KEY("kp1", 0x61),
KEY("kp2", 0x62),
KEY("kp3", 0x63),
KEY("kp4", 0x64),
KEY("kp5", 0x65),
KEY("kp6", 0x66),
KEY("kp7", 0x67),
KEY("kp8", 0x68),
KEY("kp9", 0x69),
KEY("f1", 0x70),
KEY("f2", 0x71),
KEY("f3", 0x72),
KEY("f4", 0x73),
KEY("f5", 0x74),
KEY("f6", 0x75),
KEY("f7", 0x76),
KEY("f8", 0x77),
KEY("f9", 0x78),
KEY("f10", 0x79),
KEY("f11", 0x7A),
KEY("f12", 0x7B)
};
#undef KEY
#define MOD(Name, Flag) { Name, Flag }
static const win_keyMap_t win_modKeyMaps[] =
{
MOD("alt", MOD_ALT),
MOD("ctl", MOD_CONTROL),
MOD("ctrl", MOD_CONTROL),
MOD("control", MOD_CONTROL),
MOD("shift", MOD_SHIFT),
MOD("win", MOD_WIN),
MOD("windows", MOD_WIN)
};
#undef MOD
typedef struct {
const char* name;
UINT key;
UINT mod;
} win_hotKey_t;
#define KEY(Name, Key, Mod) { Name, Key, Mod }
static const win_hotKey_t win_allowedSingleKeys[] =
{
KEY("alt", VK_MENU, MOD_ALT),
KEY("ctl", VK_CONTROL, MOD_CONTROL),
KEY("ctrl", VK_CONTROL, MOD_CONTROL),
KEY("control", VK_CONTROL, MOD_CONTROL),
KEY("shift", VK_SHIFT, MOD_SHIFT)
};
#undef KEY
#define KEY(Mod, Key, Name) { Name, Key, Mod }
static const win_hotKey_t win_reservedHotkeys[] =
{
KEY(MOD_ALT, VK_RETURN, "fullscreen toggle"),
KEY(MOD_ALT, VK_TAB, "task switch"),
KEY(MOD_WIN, 'D', "show desktop toggle"),
KEY(MOD_WIN, 'M', "minimize everything"),
KEY(MOD_CONTROL | MOD_ALT, VK_DELETE, "log-in screen / task manager")
};
#undef KEY
static qbool WIN_ParseKey( UINT* key, qbool* reserved, const char* name, const win_keyMap_t* keyMaps, int keyCount, qbool modsOnly )
{
if ( !modsOnly )
{
const int l = (int)strlen( name );
if ( l == 1 )
{
const char c = name[0];
// digits
if ( c >= 0x30 && c <= 0x39 )
{
*key = (UINT)c;
*reserved = qtrue;
return qtrue;
}
// uppercase letters
else if ( c >= 0x41 && c <= 0x5A )
{
*key = (UINT)c;
*reserved = qtrue;
return qtrue;
}
// lowercase letters
else if ( c >= 0x61 && c <= 0x7A )
{
*key = (UINT)c - 0x20;
*reserved = qtrue;
return qtrue;
}
}
}
for ( int i = 0; i < keyCount; ++i )
{
if ( Q_stricmp( name, keyMaps[i].name ) == 0 )
{
*key = keyMaps[i].key;
*reserved = keyMaps[i].reserved;
return qtrue;
}
}
return qfalse;
}
static qbool WIN_IsAllowedSingleHotKey( win_hotKey_t* hotKey, const char* name )
{
const int keyCount = ARRAY_LEN( win_allowedSingleKeys );
for(int i = 0; i < keyCount; ++i)
{
if ( Q_stricmp( name, win_allowedSingleKeys[i].name ) == 0 )
{
*hotKey = win_allowedSingleKeys[i];
return qtrue;
}
}
UINT key;
qbool reserved;
if ( WIN_ParseKey( &key, &reserved, name, win_stdKeyMaps, ARRAY_LEN(win_stdKeyMaps), qfalse ) &&
!reserved )
{
hotKey->key = key;
hotKey->mod = 0;
hotKey->name = "";
return qtrue;
}
return qfalse;
}
static qbool WIN_IsReservedHotKey( win_hotKey_t* hotKey, UINT key, UINT mods )
{
const int keyCount = ARRAY_LEN( win_reservedHotkeys );
for(int i = 0; i < keyCount; ++i)
{
if ( key == win_reservedHotkeys[i].key &&
mods == win_reservedHotkeys[i].mod )
{
*hotKey = win_reservedHotkeys[i];
return qtrue;
}
}
return qfalse;
}
static void WIN_PrintHotKeyHelp()
{
Com_Printf( "The key names must be separated by whitespace,\n" );
Com_Printf( "so use double quotes to enclose the key list.\n" );
Com_Printf( "To print the key names, use the minimizekeynames command.\n" );
}
static qbool WIN_ParseHotKey( UINT* key, UINT* modifiers )
{
Cmd_TokenizeString( in_minimize->string );
const int count = Cmd_Argc();
if ( count <= 0 )
return qfalse;
if ( count == 1 )
{
win_hotKey_t hotKey;
if( !WIN_IsAllowedSingleHotKey( &hotKey, Cmd_Argv(0) ) )
{
Com_Printf( "ERROR: this key can't be used alone\n" );
WIN_PrintHotKeyHelp();
return qfalse;
}
Com_Printf( "the key '%s' will be registered alone as a hotkey\n", Cmd_Argv(0) );
*key = hotKey.key;
*modifiers = hotKey.mod;
return qtrue;
}
*modifiers = 0;
qbool keyFound = qfalse;
for ( int i = 0; i < count; ++i )
{
const char* const keyName = Cmd_Argv(i);
if ( *keyName == '\0' )
continue;
qbool reserved;
if ( WIN_ParseKey( key, &reserved, keyName, win_stdKeyMaps, ARRAY_LEN(win_stdKeyMaps), qfalse ) )
{
if ( keyFound ) // we allow at most 1 normal key
{
Com_Printf( "ERROR: in_minimize specified more than 1 non-modifier key\n" );
WIN_PrintHotKeyHelp();
return qfalse;
}
keyFound = qtrue;
continue;
}
UINT mod;
if ( WIN_ParseKey( &mod, &reserved, keyName, win_modKeyMaps, ARRAY_LEN(win_modKeyMaps), qtrue ) )
{
*modifiers |= mod;
}
else
{
Com_Printf( "ERROR: in_minimize doesn't recognize key name '%s'\n", keyName );
WIN_PrintHotKeyHelp();
return qfalse;
}
}
if ( !keyFound )
{
Com_Printf("ERROR: in_minimize didn't specify a non-modifier key\n");
WIN_PrintHotKeyHelp();
return qfalse;
}
int modCount = 0;
UINT mods = *modifiers;
for ( UINT i = 0; i < 32; ++i )
{
if ((mods & 1) != 0 )
++modCount;
mods >>= 1;
}
// we require either 1 or 2 modifier keys
if ( modCount < 1 || modCount > 2 )
{
Com_Printf("ERROR: in_minimize must specify at most 2 modifier keys\n");
WIN_PrintHotKeyHelp();
return qfalse;
}
// don't use reserved key combos
win_hotKey_t hotKey;
if( WIN_IsReservedHotKey( &hotKey, *key, *modifiers ) )
{
Com_Printf( "ERROR: this combo is reserved for: %s\n", hotKey.name );
return qfalse;
}
return qtrue;
}
static void WIN_PrintKeyNames( const win_keyMap_t* keys, int keyCount )
{
const int columnCount = 4;
const int lineCount = (keyCount + columnCount - 1) / columnCount;
int maxColumnWidths[columnCount];
for ( int x = 0; x < columnCount; ++x )
{
int maxWidth = 0;
for ( int y = 0; y < lineCount; ++y )
{
const int k = x * lineCount + y;
if ( k >= keyCount )
break;
const int l = (int)strlen( keys[k].name );
maxWidth = max( maxWidth, l );
}
maxColumnWidths[x] = maxWidth;
}
for ( int y = 0; y < lineCount; ++y )
{
Com_Printf( " " );
for ( int x = 0; x < columnCount; ++x )
{
const int k = x * lineCount + y;
if ( k >= keyCount )
break;
const char* n = keys[k].name;
const int l = (int)strlen(n);
Com_Printf(n);
const int spaceCount = maxColumnWidths[x] - l + 2;
for ( int s = 0; s < spaceCount; ++s )
Com_Printf( " " );
}
Com_Printf( "\n" );
}
}
static void WIN_PrintMinimizeKeyNames()
{
Com_Printf( "Key Names:\n" );
WIN_PrintKeyNames( win_stdKeyMaps, ARRAY_LEN( win_stdKeyMaps ) );
Com_Printf( "\n" );
Com_Printf( "Modifier Key Names:\n" );
WIN_PrintKeyNames( win_modKeyMaps, ARRAY_LEN( win_modKeyMaps ) );
}
static void IN_StartupHotKey( qbool fullStartUp )
{
in_minimize = Cvar_Get( "in_minimize", "", CVAR_ARCHIVE );
in_minimize->modified = qfalse;
if ( fullStartUp )
Cmd_AddCommand( "minimizekeynames", &WIN_PrintMinimizeKeyNames );
WIN_UnregisterHotKey();
if ( in_minimize->string[0] == '\0' )
return;
UINT key, modifiers;
if ( !WIN_ParseHotKey( &key, &modifiers ) )
return;
WIN_RegisterHotKey( modifiers, key );
}
static void IN_ShutDownHotKey()
{
Cmd_RemoveCommand( "minimizekeynames" );
WIN_UnregisterHotKey();
}
static void IN_UpdateHotKey()
{
if ( !in_minimize->modified )
return;
in_minimize->modified = qtrue;
IN_StartupHotKey( qfalse );
}
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