/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997-2006 Sam Lantinga

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library 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

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Sam Lantinga

slouken@libsdl.org

*/

/* Handle the event stream, converting Amiga events into SDL events */

#include "SDL.h"

#include "SDL_syswm.h"

#include "SDL_sysevents.h"

#include "SDL_sysvideo.h"

#include "SDL_events_c.h"

#include "SDL_cgxvideo.h"

#include "SDL_cgxmodes_c.h"

#include "SDL_cgximage_c.h"

#include "SDL_cgxwm_c.h"

#include "SDL_amigaevents_c.h"

/* The translation tables from an Amiga keysym to a SDL keysym */

static SDLKey MISC_keymap[256];

SDL_keysym *amiga_TranslateKey(int code, SDL_keysym *keysym);

struct IOStdReq *ConReq=NULL;

struct MsgPort *ConPort=NULL;

/* Note: The X server buffers and accumulates mouse motion events, so

the motion event generated by the warp may not appear exactly as we

expect it to. We work around this (and improve performance) by only

warping the pointer when it reaches the edge, and then wait for it.

*/

#define MOUSE_FUDGE_FACTOR 8

#if 0

static inline int amiga_WarpedMotion(_THIS, struct IntuiMessage *m)

{

int w, h, i;

int deltax, deltay;

int posted;

w = SDL_VideoSurface->w;

h = SDL_VideoSurface->h;

deltax = xevent->xmotion.x - mouse_last.x;

deltay = xevent->xmotion.y - mouse_last.y;

#ifdef DEBUG_MOTION

printf("Warped mouse motion: %d,%d\n", deltax, deltay);

#endif

mouse_last.x = xevent->xmotion.x;

mouse_last.y = xevent->xmotion.y;

posted = SDL_PrivateMouseMotion(0, 1, deltax, deltay);

if ( (xevent->xmotion.x < MOUSE_FUDGE_FACTOR) ||

(xevent->xmotion.x > (w-MOUSE_FUDGE_FACTOR)) ||

(xevent->xmotion.y < MOUSE_FUDGE_FACTOR) ||

(xevent->xmotion.y > (h-MOUSE_FUDGE_FACTOR)) ) {

/* Get the events that have accumulated */

while ( XCheckTypedEvent(SDL_Display, MotionNotify, xevent) ) {

deltax = xevent->xmotion.x - mouse_last.x;

deltay = xevent->xmotion.y - mouse_last.y;

#ifdef DEBUG_MOTION

printf("Extra mouse motion: %d,%d\n", deltax, deltay);

#endif

mouse_last.x = xevent->xmotion.x;

mouse_last.y = xevent->xmotion.y;

posted += SDL_PrivateMouseMotion(0, 1, deltax, deltay);

}

mouse_last.x = w/2;

mouse_last.y = h/2;

XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0,

mouse_last.x, mouse_last.y);

for ( i=0; i<10; ++i ) {

XMaskEvent(SDL_Display, PointerMotionMask, xevent);

if ( (xevent->xmotion.x >

(mouse_last.x-MOUSE_FUDGE_FACTOR)) &&

(xevent->xmotion.x <

(mouse_last.x+MOUSE_FUDGE_FACTOR)) &&

(xevent->xmotion.y >

(mouse_last.y-MOUSE_FUDGE_FACTOR)) &&

(xevent->xmotion.y <

(mouse_last.y+MOUSE_FUDGE_FACTOR)) ) {

break;

}

#ifdef DEBUG_XEVENTS

printf("Lost mouse motion: %d,%d\n", xevent->xmotion.x, xevent->xmotion.y);

#endif

}

#ifdef DEBUG_XEVENTS

if ( i == 10 ) {

printf("Warning: didn't detect mouse warp motion\n");

}

#endif

}

return(posted);

}

#endif

static int amiga_GetButton(int code)

{

switch(code)

{

case IECODE_MBUTTON:

return SDL_BUTTON_MIDDLE;

case IECODE_RBUTTON:

return SDL_BUTTON_RIGHT;

default:

return SDL_BUTTON_LEFT;

}

}

static int amiga_DispatchEvent(_THIS,struct IntuiMessage *msg)

{

int class=msg->Class,code=msg->Code;

int posted;

posted = 0;

switch (class) {

/* Gaining mouse coverage? */

case IDCMP_ACTIVEWINDOW:

posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);

break;

/* Losing mouse coverage? */

case IDCMP_INACTIVEWINDOW:

posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);

break;

#if 0

/* Gaining input focus? */

case IDCMP_ACTIVEWINDOW:

posted = SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);

/* Queue entry into fullscreen mode */

switch_waiting = 0x01 | SDL_FULLSCREEN;

switch_time = SDL_GetTicks() + 1500;

break;

/* Losing input focus? */

case IDCMP_INACTIVEWINDOW:

posted = SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS);

/* Queue leaving fullscreen mode */

switch_waiting = 0x01;

switch_time = SDL_GetTicks() + 200;

break;

#endif

/* Mouse motion? */

case IDCMP_MOUSEMOVE:

if ( SDL_VideoSurface ) {

posted = SDL_PrivateMouseMotion(0, 0,

msg->MouseX-SDL_Window->BorderLeft,

msg->MouseY-SDL_Window->BorderTop);

}

break;

/* Mouse button press? */

case IDCMP_MOUSEBUTTONS:

if(!(code&IECODE_UP_PREFIX))

{

posted = SDL_PrivateMouseButton(SDL_PRESSED,

amiga_GetButton(code), 0, 0);

}

/* Mouse button release? */

else

{

code&=~IECODE_UP_PREFIX;

posted = SDL_PrivateMouseButton(SDL_RELEASED,

amiga_GetButton(code), 0, 0);

}

break;

case IDCMP_RAWKEY:

/* Key press? */

if( !(code&IECODE_UP_PREFIX) )

{

SDL_keysym keysym;

posted = SDL_PrivateKeyboard(SDL_PRESSED,

amiga_TranslateKey(code, &keysym));

}

else

{

/* Key release? */

SDL_keysym keysym;

code&=~IECODE_UP_PREFIX;

/* Check to see if this is a repeated key */

/* if ( ! X11_KeyRepeat(SDL_Display, &xevent) ) */

posted = SDL_PrivateKeyboard(SDL_RELEASED,

amiga_TranslateKey(code, &keysym));

}

break;

/* Have we been iconified? */

#if 0

case UnmapNotify: {

#ifdef DEBUG_XEVENTS

printf("UnmapNotify!\n");

#endif

posted=SDL_PrivateAppActive(0, SDL_APPACTIVE|SDL_APPINPUTFOCUS);

}

break;

/* Have we been restored? */

case MapNotify: {

#ifdef DEBUG_XEVENTS

printf("MapNotify!\n");

#endif

posted = SDL_PrivateAppActive(1, SDL_APPACTIVE);

if ( SDL_VideoSurface &&

(SDL_VideoSurface->flags & SDL_FULLSCREEN) )

{

CGX_EnterFullScreen(this);

} else {

X11_GrabInputNoLock(this, this->input_grab);

}

if ( SDL_VideoSurface ) {

CGX_RefreshDisplay(this);

}

}

break;

case Expose:

if ( SDL_VideoSurface && (xevent.xexpose.count == 0) ) {

CGX_RefreshDisplay(this);

}

break;

#endif

/* Have we been resized? */

case IDCMP_NEWSIZE:

SDL_PrivateResize(SDL_Window->Width-SDL_Window->BorderLeft-SDL_Window->BorderRight,

SDL_Window->Height-SDL_Window->BorderTop-SDL_Window->BorderBottom);

break;

/* Have we been requested to quit? */

case IDCMP_CLOSEWINDOW:

posted = SDL_PrivateQuit();

break;

/* Do we need to refresh ourselves? */

default: {

/* Only post the event if we're watching for it */

if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {

SDL_SysWMmsg wmmsg;

SDL_VERSION(&wmmsg.version);

#if 0

wmmsg.subsystem = SDL_SYSWM_CGX;

wmmsg.event.xevent = xevent;

#endif

posted = SDL_PrivateSysWMEvent(&wmmsg);

}

}

break;

}

ReplyMsg((struct Message *)msg);

return(posted);

}

void amiga_PumpEvents(_THIS)

{

int pending;

struct IntuiMessage *m;

/* Keep processing pending events */

pending = 0;

while ( m=(struct IntuiMessage *)GetMsg(SDL_Window->UserPort) ) {

amiga_DispatchEvent(this,m);

++pending;

}

}

void amiga_InitKeymap(void)

{

int i;

/* Map the miscellaneous keys */

for ( i=0; i<SDL_TABLESIZE(MISC_keymap); ++i )

MISC_keymap[i] = SDLK_UNKNOWN;

/* These X keysyms have 0xFF as the high byte */

MISC_keymap[65] = SDLK_BACKSPACE;

MISC_keymap[66] = SDLK_TAB;

MISC_keymap[70] = SDLK_CLEAR;

MISC_keymap[70] = SDLK_DELETE;

MISC_keymap[68] = SDLK_RETURN;

// MISC_keymap[XK_Pause&0xFF] = SDLK_PAUSE;

MISC_keymap[69] = SDLK_ESCAPE;

MISC_keymap[70] = SDLK_DELETE;

/*

SDLK_SPACE = 32,

SDLK_MINUS = 45,

SDLK_LESS = 60,

SDLK_COMMA = 44,

SDLK_PERIOD = 46,

SDLK_0 = 48,

SDLK_1 = 49,

SDLK_2 = 50,

SDLK_3 = 51,

SDLK_4 = 52,

SDLK_5 = 53,

SDLK_6 = 54,

SDLK_7 = 55,

SDLK_8 = 56,

SDLK_9 = 57,

SDLK_BACKQUOTE = 96,

SDLK_BACKSLASH = 92,

SDLK_a = 97,

SDLK_b = 98,

SDLK_c = 99,

SDLK_d = 100,

SDLK_e = 101,

SDLK_f = 102,

SDLK_g = 103,

SDLK_h = 104,

SDLK_i = 105,

SDLK_j = 106,

SDLK_k = 107,

SDLK_l = 108,

SDLK_m = 109,

SDLK_n = 110,

SDLK_o = 111,

SDLK_p = 112,

SDLK_q = 113,

SDLK_r = 114,

SDLK_s = 115,

SDLK_t = 116,

SDLK_u = 117,

SDLK_v = 118,

SDLK_w = 119,

SDLK_x = 120,

SDLK_y = 121,

SDLK_z = 122,

*/

MISC_keymap[15] = SDLK_KP0; /* Keypad 0-9 */

MISC_keymap[29] = SDLK_KP1;

MISC_keymap[30] = SDLK_KP2;

MISC_keymap[31] = SDLK_KP3;

MISC_keymap[45] = SDLK_KP4;

MISC_keymap[46] = SDLK_KP5;

MISC_keymap[47] = SDLK_KP6;

MISC_keymap[61] = SDLK_KP7;

MISC_keymap[62] = SDLK_KP8;

MISC_keymap[63] = SDLK_KP9;

MISC_keymap[60] = SDLK_KP_PERIOD;

MISC_keymap[92] = SDLK_KP_DIVIDE;

MISC_keymap[93] = SDLK_KP_MULTIPLY;

MISC_keymap[74] = SDLK_KP_MINUS;

MISC_keymap[94] = SDLK_KP_PLUS;

MISC_keymap[67] = SDLK_KP_ENTER;

// MISC_keymap[XK_KP_Equal&0xFF] = SDLK_KP_EQUALS;

MISC_keymap[76] = SDLK_UP;

MISC_keymap[77] = SDLK_DOWN;

MISC_keymap[78] = SDLK_RIGHT;

MISC_keymap[79] = SDLK_LEFT;

/*

MISC_keymap[XK_Insert&0xFF] = SDLK_INSERT;

MISC_keymap[XK_Home&0xFF] = SDLK_HOME;

MISC_keymap[XK_End&0xFF] = SDLK_END;

*/

// Mappati sulle parentesi del taastierino

MISC_keymap[90] = SDLK_PAGEUP;

MISC_keymap[91] = SDLK_PAGEDOWN;

MISC_keymap[80] = SDLK_F1;

MISC_keymap[81] = SDLK_F2;

MISC_keymap[82] = SDLK_F3;

MISC_keymap[83] = SDLK_F4;

MISC_keymap[84] = SDLK_F5;

MISC_keymap[85] = SDLK_F6;

MISC_keymap[86] = SDLK_F7;

MISC_keymap[87] = SDLK_F8;

MISC_keymap[88] = SDLK_F9;

MISC_keymap[89] = SDLK_F10;

// MISC_keymap[XK_F11&0xFF] = SDLK_F11;

// MISC_keymap[XK_F12&0xFF] = SDLK_F12;

// MISC_keymap[XK_F13&0xFF] = SDLK_F13;

// MISC_keymap[XK_F14&0xFF] = SDLK_F14;

// MISC_keymap[XK_F15&0xFF] = SDLK_F15;

// MISC_keymap[XK_Num_Lock&0xFF] = SDLK_NUMLOCK;

MISC_keymap[98] = SDLK_CAPSLOCK;

// MISC_keymap[XK_Scroll_Lock&0xFF] = SDLK_SCROLLOCK;

MISC_keymap[97] = SDLK_RSHIFT;

MISC_keymap[96] = SDLK_LSHIFT;

MISC_keymap[99] = SDLK_LCTRL;

MISC_keymap[99] = SDLK_LCTRL;

MISC_keymap[101] = SDLK_RALT;

MISC_keymap[100] = SDLK_LALT;

// MISC_keymap[XK_Meta_R&0xFF] = SDLK_RMETA;

// MISC_keymap[XK_Meta_L&0xFF] = SDLK_LMETA;

MISC_keymap[103] = SDLK_LSUPER; /* Left "Windows" */

MISC_keymap[102] = SDLK_RSUPER; /* Right "Windows */

MISC_keymap[95] = SDLK_HELP;

}

SDL_keysym *amiga_TranslateKey(int code, SDL_keysym *keysym)

{

#ifdef STORMC4_WOS

static struct Library *KeymapBase=NULL; /* Linking failed in WOS version if ConsoleDevice was used */

#else

static struct Library *ConsoleDevice=NULL;

#endif

/* Get the raw keyboard scancode */

keysym->scancode = code;

keysym->sym = MISC_keymap[code];

#ifdef DEBUG_KEYS

fprintf(stderr, "Translating key 0x%.4x (%d)\n", xsym, xkey->keycode);

#endif

/* Get the translated SDL virtual keysym */

if ( keysym->sym==SDLK_UNKNOWN )

{

#ifdef STORMC4_WOS

if(!KeymapBase)

#else

if(!ConsoleDevice)

#endif

{

#ifdef STORMC4_WOS

KeymapBase=OpenLibrary("keymap.library", 0L);

#else

if(ConPort=CreateMsgPort())

{

if(ConReq=CreateIORequest(ConPort,sizeof(struct IOStdReq)))

{

if(!OpenDevice("console.device",-1,(struct IORequest *)ConReq,0))

ConsoleDevice=(struct Library *)ConReq->io_Device;

else

{

DeleteIORequest(ConReq);

ConReq=NULL;

}

}

else

{

DeleteMsgPort(ConPort);

ConPort=NULL;

}

}

#endif

}

#ifdef STORMC4_WOS

if(KeymapBase)

#else

if(ConsoleDevice)

#endif

{

struct InputEvent event;

long actual;

char buffer[5];

event.ie_Qualifier=0;

event.ie_Class=IECLASS_RAWKEY;

event.ie_SubClass=0L;

event.ie_Code=code;

event.ie_X=event.ie_Y=0;

event.ie_EventAddress=NULL;

event.ie_NextEvent=NULL;

event.ie_Prev1DownCode=event.ie_Prev1DownQual=event.ie_Prev2DownCode=event.ie_Prev2DownQual=0;

#ifdef STORMC4_WOS

if( (actual=MapRawKey(&event,buffer,5,NULL))>=0)

#else

if( (actual=RawKeyConvert(&event,buffer,5,NULL))>=0)

#endif

{

if(actual>1)

{

D(bug("Warning (%ld) character conversion!\n",actual));

}

else if(actual==1)

{

keysym->sym=*buffer;

D(bug("Converted rawcode %ld to <%lc>\n",code,*buffer));

// Bufferizzo x le successive chiamate!

MISC_keymap[code]=*buffer;

}

}

}

}

keysym->mod = KMOD_NONE;

/* If UNICODE is on, get the UNICODE value for the key */

keysym->unicode = 0;

if ( SDL_TranslateUNICODE ) {

#if 0

static XComposeStatus state;

/* Until we handle the IM protocol, use XLookupString() */

unsigned char keybuf[32];

if ( XLookupString(xkey, (char *)keybuf, sizeof(keybuf),

NULL, &state) ) {

keysym->unicode = keybuf[0];

}

#endif

}

return(keysym);

}

void amiga_InitOSKeymap(_THIS)

{

amiga_InitKeymap();

}