/*

SDL - Simple DirectMedia Layer

Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga

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

modify it under the terms of the GNU Library General Public

License as published by the Free Software Foundation; either

version 2 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

Library General Public License for more details.

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

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

Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Sam Lantinga

slouken@libsdl.org

*/

#ifdef SAVE_RCSID

static char rcsid =

"@(#) $Id$";

#endif

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

#define DISABLE_X11

#include <Ph.h>

#include <stdio.h>

#include <setjmp.h>

#include <photon/PkKeyDef.h>

#include <sys/time.h>

#include "SDL.h"

#include "SDL_syswm.h"

#include "SDL_sysevents.h"

#include "SDL_sysvideo.h"

#include "SDL_events_c.h"

#include "SDL_ph_video.h"

#include "SDL_ph_modes_c.h"

#include "SDL_ph_image_c.h"

#include "SDL_ph_events_c.h"

/* The translation tables from a photon keysym to a SDL keysym */

static SDLKey ODD_keymap[256];

static SDLKey MISC_keymap[0xFF + 1];

SDL_keysym *ph_TranslateKey(PhKeyEvent_t *key, SDL_keysym *keysym);

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

(idea shamelessly lifted from GII -- thanks guys! :)

*/

#if 0

static int ph_KeyRepeat(_THIS, PhKeyEvent_t* keyevent)

{

// PhEvent_t* peekevent;

PhKeyEvent_t* keyEvent;

int repeated;

repeated = 0;

switch (PhEventPeek( peekevent, EVENT_SIZE ))

{

case Ph_EVENT_MSG: {

if(peekevent->type == Ph_EV_KEY)

{

keyEvent = PhGetData( peekevent );

if ( !(Pk_KF_Key_Down & keyEvent->key_flags) &&

(keyEvent->key_cap == keyevent->key_cap) &&

(peekevent->timestamp == event->timestamp)

) {

repeated = 1;

/* PhEventNext( peekevent, EVENT_SIZE ); */

}

}

}

break;

case -1: {

perror( "PhEventPeek failed" );

}

break;

default: /* no events pending */

}

return(repeated);

}

#endif

static int ph_WarpedMotion(_THIS, PhEvent_t *winEvent)

{

/* PhPointerEvent_t *pointer = PhGetData( winEvent ); */

PhRect_t *rect = PhGetRects( winEvent );

int centre_x, centre_y;

int dx, dy;

short abs_x, abs_y;

int posted;

centre_x = SDL_VideoSurface->w / 2;

centre_y = SDL_VideoSurface->h / 2;

dx = rect->ul.x - centre_x;

dy = rect->ul.y - centre_y;

posted = SDL_PrivateMouseMotion( 0, 1, dx, dy );

/* Move mouse cursor to middle of the window */

PtGetAbsPosition( window, &abs_x, &abs_y );

PhMoveCursorAbs( PhInputGroup(NULL),

abs_x + centre_x,

abs_y + centre_y );

return(posted);

}

/* Control which motion flags the window has set, a flags value of -1 sets

* MOTION_BUTTON and MOTION_NOBUTTON */

static void set_motion_sensitivity(_THIS, unsigned int flags)

{

int rid, fields = Ph_EV_PTR_MOTION_BUTTON | Ph_EV_PTR_MOTION_NOBUTTON;

PhRegion_t region;

if( window )

{

rid = PtWidgetRid( window );

if( rid != 0 && PhRegionQuery( rid, &region, NULL, NULL, 0 ) == 0 )

{

region.events_sense = ( region.events_sense & ~fields ) |

( flags & fields );

PhRegionChange( Ph_REGION_EV_SENSE, 0, &region,

NULL, NULL );

}

}

}

/* Convert the photon button state value to an SDL value */

static Uint8 ph2sdl_mousebutton( unsigned short button_state )

{

Uint8 mouse_button = 0;

if( button_state & Ph_BUTTON_SELECT )

mouse_button |= SDL_BUTTON_LEFT;

if( button_state & Ph_BUTTON_MENU )

mouse_button |= SDL_BUTTON_RIGHT;

if( button_state & Ph_BUTTON_ADJUST )

mouse_button |= SDL_BUTTON_MIDDLE;

return( mouse_button );

}

static int ph_DispatchEvent(_THIS)

{

int posted;

PhRect_t* rect;

PhPointerEvent_t* pointerEvent;

PhKeyEvent_t* keyEvent;

PhWindowEvent_t* winEvent;

int i, buttons;

SDL_Rect sdlrects[50];

posted = 0;

switch (event->type)

{

case Ph_EV_BOUNDARY:

{

if (event->subtype == Ph_EV_PTR_ENTER)

{

posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);

}

else if (event->subtype ==Ph_EV_PTR_LEAVE)

{

posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);

}

}

break;

case Ph_EV_PTR_MOTION_BUTTON:

case Ph_EV_PTR_MOTION_NOBUTTON:

{

if (SDL_VideoSurface)

{

pointerEvent = PhGetData(event);

rect = PhGetRects(event);

if (mouse_relative)

{

posted = ph_WarpedMotion(this, event);

}

else

{

posted = SDL_PrivateMouseMotion(0, 0, rect->ul.x, rect->ul.y);

}

}

}

break;

case Ph_EV_BUT_PRESS:

{

pointerEvent = PhGetData( event );

buttons = ph2sdl_mousebutton( pointerEvent->buttons );

if (buttons != 0)

{

posted = SDL_PrivateMouseButton(SDL_PRESSED, buttons, 0, 0);

}

}

break;

case Ph_EV_BUT_RELEASE:

{

pointerEvent = PhGetData(event);

buttons = ph2sdl_mousebutton(pointerEvent->buttons);

if (event->subtype == Ph_EV_RELEASE_REAL && buttons != 0)

{

posted = SDL_PrivateMouseButton(SDL_RELEASED, buttons, 0, 0);

}

else if(event->subtype == Ph_EV_RELEASE_PHANTOM)

{

/* If the mouse is outside the window,

* only a phantom release event is sent, so

* check if the window doesn't have mouse focus.

* Not perfect, maybe checking the mouse button

* state for Ph_EV_BOUNDARY events would be

* better. */

if ((SDL_GetAppState() & SDL_APPMOUSEFOCUS) == 0)

{

posted = SDL_PrivateMouseButton(SDL_RELEASED, buttons, 0, 0);

}

}

}

break;

case Ph_EV_WM:

{

winEvent = PhGetData(event);

/* losing focus */

if ((winEvent->event_f==Ph_WM_FOCUS) && (winEvent->event_state==Ph_WM_EVSTATE_FOCUSLOST))

{

set_motion_sensitivity(this, Ph_EV_PTR_MOTION_BUTTON);

posted = SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS);

/* Queue leaving fullscreen mode */

switch_waiting = 0x01;

switch_time = SDL_GetTicks() + 200;

}

/* gaining focus */

else if ((winEvent->event_f==Ph_WM_FOCUS) && (winEvent->event_state==Ph_WM_EVSTATE_FOCUS))

{

set_motion_sensitivity(this, -1);

posted = SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);

}

/* request to quit */

else if (winEvent->event_f==Ph_WM_CLOSE)

{

posted = SDL_PrivateQuit();

}

/* request to resize */

else if (winEvent->event_f==Ph_WM_RESIZE)

{

SDL_PrivateResize(winEvent->size.w, winEvent->size.h);

}

/* request to maximize */

else if (winEvent->event_f==Ph_WM_MAX)

{

/* TODO: get screen resolution, set window pos to 0, 0 and resize it ! */

}

}

break;

/* window has been resized, moved or removed */

case Ph_EV_EXPOSE:

{

if (SDL_VideoSurface)

{

rect = PhGetRects(event);

for(i=0;i<event->num_rects;i++)

{

sdlrects[i].x = rect[i].ul.x;

sdlrects[i].y = rect[i].ul.y;

sdlrects[i].w = rect[i].lr.x - rect[i].ul.x + 1;

sdlrects[i].h = rect[i].lr.y - rect[i].ul.y + 1;

}

this->UpdateRects(this, event->num_rects, sdlrects);

}

}

break;

case Ph_EV_KEY:

{

SDL_keysym keysym;

posted = 0;

keyEvent = PhGetData( event );

if (Pk_KF_Key_Down & keyEvent->key_flags)

{

posted = SDL_PrivateKeyboard(SDL_PRESSED, ph_TranslateKey(keyEvent, &keysym));

}

else /* must be key release */

{

/* Ignore repeated key release events */

/* if (! Pk_KF_Key_Repeat & keyEvent->key_flags ) */

posted = SDL_PrivateKeyboard(SDL_RELEASED, ph_TranslateKey( keyEvent, &keysym));

}

}

break;

}

return(posted);

}

/* perform a blocking read if no events available */

int ph_Pending(_THIS)

{

/* Flush the display connection and look to see if events are queued */

PgFlush();

while( 1 )

{ //note this is a non-blocking call

switch( PhEventPeek( event, EVENT_SIZE ) )

{

case Ph_EVENT_MSG:

return 1;

break;

case -1:

perror( "PhEventNext failed" );

break;

default:

return 0;

}

}

/* Oh well, nothing is ready .. */

return(0);

}

/*

SAMPLE EVENT PUMP

=================

static void update( int block ){

int ch,fl;

PhKeyEvent_t *key;

for( ;; ){

if( block ){

do{

fl=PhEventNext( event,EVENT_SIZE );

}while( fl!=Ph_EVENT_MSG );

block=0;

}else{

do{

fl=PhEventPeek( event,EVENT_SIZE );

if( !fl ) return;

}while( fl!=Ph_EVENT_MSG );

}

switch( event->type ){

case Ph_EV_KEY:

key=PhGetData( event );

ch=key->key_cap; // & 127;

fl=key->key_flags;

if( ch<32 || ch>127 ) break;

if( fl & Pk_KF_Key_Down ){

if( !(fl & Pk_KF_Key_Repeat) ){

if( queput-queget<QUE_SIZE ) keyque[ queput++ & QUE_MASK ]=ch;

keyMatrix[ch]=1;

}

}else{

keyMatrix[ch]=0;

}

break;

default:

PtEventHandler( event );

}

}

}

*/

void ph_PumpEvents(_THIS)

{

int pending;

/* Keep processing pending events */

pending = 0;

while ( ph_Pending(this) ) {

ph_DispatchEvent(this);

++pending;

}

if ( switch_waiting ) {

Uint32 now;

now = SDL_GetTicks();

#if 0

if ( pending || !SDL_VideoSurface ) {

/* Try again later... */

if ( switch_waiting & SDL_FULLSCREEN ) {

switch_time = now + 1500;

} else {

switch_time = now + 200;

}

} else if ( now >= switch_time ) {

Uint32 go_fullscreen;

go_fullscreen = switch_waiting & SDL_FULLSCREEN;

switch_waiting = 0;

if ( SDL_VideoSurface->flags & SDL_FULLSCREEN ) {

if ( go_fullscreen ) {

ph_EnterFullScreen(this);

} else {

ph_LeaveFullScreen(this);

}

}

/* Handle focus in/out when grabbed */

/*

if ( go_fullscreen ) {

ph_GrabInputNoLock(this, this->input_grab);

} else {

ph_GrabInputNoLock(this, SDL_GRAB_OFF);

}

*/

}

#endif

}

}

void ph_InitKeymap(void)

{

int i;

/* Odd keys used in international keyboards */

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

ODD_keymap[i] = SDLK_UNKNOWN;

/* Map the miscellaneous keys */

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

MISC_keymap[i] = SDLK_UNKNOWN;

MISC_keymap[Pk_BackSpace&0xFF] = SDLK_BACKSPACE;

MISC_keymap[Pk_Tab&0xFF] = SDLK_TAB;

MISC_keymap[Pk_Clear&0xFF] = SDLK_CLEAR;

MISC_keymap[Pk_Return&0xFF] = SDLK_RETURN;

MISC_keymap[Pk_Pause&0xFF] = SDLK_PAUSE;

MISC_keymap[Pk_Escape&0xFF] = SDLK_ESCAPE;

MISC_keymap[Pk_Delete&0xFF] = SDLK_DELETE;

MISC_keymap[Pk_KP_0&0xFF] = SDLK_KP0;

MISC_keymap[Pk_KP_1&0xFF] = SDLK_KP1;

MISC_keymap[Pk_KP_2&0xFF] = SDLK_KP2;

MISC_keymap[Pk_KP_3&0xFF] = SDLK_KP3;

MISC_keymap[Pk_KP_4&0xFF] = SDLK_KP4;

MISC_keymap[Pk_KP_5&0xFF] = SDLK_KP5;

MISC_keymap[Pk_KP_6&0xFF] = SDLK_KP6;

MISC_keymap[Pk_KP_7&0xFF] = SDLK_KP7;

MISC_keymap[Pk_KP_8&0xFF] = SDLK_KP8;

MISC_keymap[Pk_KP_9&0xFF] = SDLK_KP9;

MISC_keymap[Pk_KP_Decimal&0xFF] = SDLK_KP_PERIOD;

MISC_keymap[Pk_KP_Divide&0xFF] = SDLK_KP_DIVIDE;

MISC_keymap[Pk_KP_Multiply&0xFF] = SDLK_KP_MULTIPLY;

MISC_keymap[Pk_KP_Subtract&0xFF] = SDLK_KP_MINUS;

MISC_keymap[Pk_KP_Add&0xFF] = SDLK_KP_PLUS;

MISC_keymap[Pk_KP_Enter&0xFF] = SDLK_KP_ENTER;

MISC_keymap[Pk_KP_Equal&0xFF] = SDLK_KP_EQUALS;

MISC_keymap[Pk_Up&0xFF] = SDLK_UP;

MISC_keymap[Pk_Down&0xFF] = SDLK_DOWN;

MISC_keymap[Pk_Right&0xFF] = SDLK_RIGHT;

MISC_keymap[Pk_Left&0xFF] = SDLK_LEFT;

MISC_keymap[Pk_Insert&0xFF] = SDLK_INSERT;

MISC_keymap[Pk_Home&0xFF] = SDLK_HOME;

MISC_keymap[Pk_End&0xFF] = SDLK_END;

MISC_keymap[Pk_Pg_Up&0xFF] = SDLK_PAGEUP;

MISC_keymap[Pk_Pg_Down&0xFF] = SDLK_PAGEDOWN;

MISC_keymap[Pk_F1&0xFF] = SDLK_F1;

MISC_keymap[Pk_F2&0xFF] = SDLK_F2;

MISC_keymap[Pk_F3&0xFF] = SDLK_F3;

MISC_keymap[Pk_F4&0xFF] = SDLK_F4;

MISC_keymap[Pk_F5&0xFF] = SDLK_F5;

MISC_keymap[Pk_F6&0xFF] = SDLK_F6;

MISC_keymap[Pk_F7&0xFF] = SDLK_F7;

MISC_keymap[Pk_F8&0xFF] = SDLK_F8;

MISC_keymap[Pk_F9&0xFF] = SDLK_F9;

MISC_keymap[Pk_F10&0xFF] = SDLK_F10;

MISC_keymap[Pk_F11&0xFF] = SDLK_F11;

MISC_keymap[Pk_F12&0xFF] = SDLK_F12;

MISC_keymap[Pk_F13&0xFF] = SDLK_F13;

MISC_keymap[Pk_F14&0xFF] = SDLK_F14;

MISC_keymap[Pk_F15&0xFF] = SDLK_F15;

MISC_keymap[Pk_Num_Lock&0xFF] = SDLK_NUMLOCK;

MISC_keymap[Pk_Caps_Lock&0xFF] = SDLK_CAPSLOCK;

MISC_keymap[Pk_Scroll_Lock&0xFF] = SDLK_SCROLLOCK;

MISC_keymap[Pk_Shift_R&0xFF] = SDLK_RSHIFT;

MISC_keymap[Pk_Shift_L&0xFF] = SDLK_LSHIFT;

MISC_keymap[Pk_Control_R&0xFF] = SDLK_RCTRL;

MISC_keymap[Pk_Control_L&0xFF] = SDLK_LCTRL;

MISC_keymap[Pk_Alt_R&0xFF] = SDLK_RALT;

MISC_keymap[Pk_Alt_L&0xFF] = SDLK_LALT;

MISC_keymap[Pk_Meta_R&0xFF] = SDLK_RMETA;

MISC_keymap[Pk_Meta_L&0xFF] = SDLK_LMETA;

MISC_keymap[Pk_Super_L&0xFF] = SDLK_LSUPER; /* Left "Windows" */

MISC_keymap[Pk_Super_R&0xFF] = SDLK_RSUPER; /* Right "Windows */

MISC_keymap[Pk_Mode_switch&0xFF] = SDLK_MODE; /* "Alt Gr" key */

MISC_keymap[Pk_Help&0xFF] = SDLK_HELP;

MISC_keymap[Pk_Print&0xFF] = SDLK_PRINT;

// MISC_keymap[Pk_Sys_Req] = SDLK_SYSREQ;

MISC_keymap[Pk_Break&0xFF] = SDLK_BREAK;

MISC_keymap[Pk_Menu&0xFF] = SDLK_MENU;

MISC_keymap[Pk_Hyper_R&0xFF] = SDLK_MENU; /* Windows "Menu" key */

}

static unsigned long cap;

SDL_keysym *ph_TranslateKey(PhKeyEvent_t *key, SDL_keysym *keysym)

{

/*

'sym' is set to the value of the key with modifiers applied to it.

This member is valid only if Pk_KF_Sym_Valid is set in the key_flags.

We will assume it is valid.

*/

/* FIXME: This needs to check whether the cap & scancode is valid */

cap = key->key_cap;

switch (cap>>8) {

case 0x00: /* Latin 1 */

case 0x01: /* Latin 2 */

case 0x02: /* Latin 3 */

case 0x03: /* Latin 4 */

case 0x04: /* Katakana */

case 0x05: /* Arabic */

case 0x06: /* Cyrillic */

case 0x07: /* Greek */

case 0x08: /* Technical */

case 0x0A: /* Publishing */

case 0x0C: /* Hebrew */

case 0x0D: /* Thai */

keysym->sym = (SDLKey)(cap&0xFF);

/* Map capital letter syms to lowercase */

if ((keysym->sym >= 'A')&&(keysym->sym <= 'Z'))

keysym->sym += ('a'-'A');

break;

// case 0xFE:

// keysym->sym = ODD_keymap[sym&0xFF];

// break;

case 0xF0:

keysym->sym = MISC_keymap[cap&0xFF];

break;

default:

/* fprintf(stderr,"Photon: Unknown key_cap, cap = 0x%.4x\n", (unsigned int)cap); */

keysym->sym = SDLK_UNKNOWN;

break;

}

keysym->scancode = key->key_scan;

keysym->unicode = 0;

if( SDL_TranslateUNICODE )

{

char utf8[MB_CUR_MAX];

int utf8len;

wchar_t unicode;

utf8len = PhKeyToMb( utf8, key );

if( utf8len > 0 )

{

utf8len = mbtowc( &unicode, utf8, utf8len );

if( utf8len > 0)

keysym->unicode = unicode;

}

}

return (keysym);

}

void ph_InitOSKeymap(_THIS)

{

ph_InitKeymap();

}