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SDL_ph_events.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2004 Sam Lantinga
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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
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slouken@libsdl.org
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*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id$";
#endif
/* Handle the event stream, converting photon events into SDL events */
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#define DISABLE_X11
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#include <stdio.h>
#include <setjmp.h>
#include <sys/time.h>
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#include <Ph.h>
#include <photon/PkKeyDef.h>
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#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"
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#include "SDL_phyuv_c.h"
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/* 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.
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(idea shamelessly lifted from GII -- thanks guys! :) */
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static int ph_WarpedMotion(_THIS, PhEvent_t *winEvent)
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{
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PhRect_t *rect = PhGetRects( winEvent );
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int centre_x, centre_y;
int dx, dy;
short abs_x, abs_y;
int posted;
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centre_x = SDL_VideoSurface->w / 2;
centre_y = SDL_VideoSurface->h / 2;
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dx = rect->ul.x - centre_x;
dy = rect->ul.y - centre_y;
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posted = SDL_PrivateMouseMotion( 0, 1, dx, dy );
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/* 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);
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return (posted);
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}
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/* Control which motion flags the window has set, a flags value of -1 sets
* MOTION_BUTTON and MOTION_NOBUTTON */
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static void set_motion_sensitivity(_THIS, unsigned int flags)
{
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int rid;
int fields = Ph_EV_PTR_MOTION_BUTTON | Ph_EV_PTR_MOTION_NOBUTTON;
PhRegion_t region;
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if( window )
{
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rid = PtWidgetRid(window);
if( rid != 0 && PhRegionQuery(rid, ®ion, NULL, NULL, 0) == 0 )
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{
region.events_sense=(region.events_sense & ~fields)|(flags & fields);
PhRegionChange(Ph_REGION_EV_SENSE, 0, ®ion, NULL, NULL);
}
}
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}
/* Convert the photon button state value to an SDL value */
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static Uint8 ph2sdl_mousebutton(unsigned short button_state)
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{
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Uint8 mouse_button = 0;
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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;
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return (mouse_button);
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}
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static int ph_DispatchEvent(_THIS)
{
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int posted;
PhRect_t* rect;
PhPointerEvent_t* pointerEvent;
PhKeyEvent_t* keyEvent;
PhWindowEvent_t* winEvent;
int i, buttons;
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SDL_Rect sdlrects[PH_SDL_MAX_RECTS];
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posted = 0;
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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)
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{
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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);
}
/* 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);
}
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/* request quit */
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else if (winEvent->event_f==Ph_WM_CLOSE)
{
posted = SDL_PrivateQuit();
}
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/* request hide/unhide */
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else if (winEvent->event_f==Ph_WM_HIDE)
{
if (currently_hided)
{
/* got unhide window event */
/* TODO: restore application's palette if in palette mode */
currently_hided=0;
}
else
{
/* got hide window event */
/* TODO: restore original palette if in palette mode */
currently_hided=1;
}
}
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/* request to resize */
else if (winEvent->event_f==Ph_WM_RESIZE)
{
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SDL_PrivateResize(winEvent->size.w+1, winEvent->size.h+1);
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}
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/* request to move */
else if (winEvent->event_f==Ph_WM_MOVE)
{
if (current_overlay!=NULL)
{
int lockedstate=current_overlay->hwdata->locked;
int chromastate=current_overlay->hwdata->ischromakey;
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int error;
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SDL_Rect target;
current_overlay->hwdata->locked=1;
target.x=current_overlay->hwdata->CurrentViewPort.pos.x;
target.y=current_overlay->hwdata->CurrentViewPort.pos.y;
target.w=current_overlay->hwdata->CurrentViewPort.size.w;
target.h=current_overlay->hwdata->CurrentViewPort.size.h;
current_overlay->hwdata->ischromakey=0;
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error=ph_DisplayYUVOverlay(this, current_overlay, &target);
if (!error)
{
current_overlay->hwdata->ischromakey=chromastate;
current_overlay->hwdata->locked=lockedstate;
}
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}
}
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/* maximize request */
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else if (winEvent->event_f==Ph_WM_MAX)
{
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/* window already moved and resized here */
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currently_maximized=1;
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}
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/* restore request */
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else if (winEvent->event_f==Ph_WM_RESTORE)
{
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/* window already moved and resized here */
currently_maximized=0;
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}
}
break;
/* window has been resized, moved or removed */
case Ph_EV_EXPOSE:
{
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if (event->num_rects!=0)
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{
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int numrects;
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if (SDL_VideoSurface)
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{
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rect = PhGetRects(event);
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if (event->num_rects>PH_SDL_MAX_RECTS)
{
/* sorry, buffers underrun, we'll update only first PH_SDL_MAX_RECTS rects */
numrects=PH_SDL_MAX_RECTS;
}
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for(i=0; i<event->num_rects; i++)
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{
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);
if (current_overlay!=NULL)
{
int lockedstate=current_overlay->hwdata->locked;
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int error;
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SDL_Rect target;
current_overlay->hwdata->locked=1;
target.x=current_overlay->hwdata->CurrentViewPort.pos.x;
target.y=current_overlay->hwdata->CurrentViewPort.pos.y;
target.w=current_overlay->hwdata->CurrentViewPort.size.w;
target.h=current_overlay->hwdata->CurrentViewPort.size.h;
current_overlay->hwdata->forcedredraw=1;
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error=ph_DisplayYUVOverlay(this, current_overlay, &target);
if (!error)
{
current_overlay->hwdata->forcedredraw=0;
current_overlay->hwdata->locked=lockedstate;
}
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}
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}
}
}
break;
case Ph_EV_KEY:
{
SDL_keysym keysym;
posted = 0;
keyEvent = PhGetData( event );
if (Pk_KF_Key_Down & keyEvent->key_flags)
{
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/* split the wheel events from real key events */
if ((keyEvent->key_cap==Pk_Up) && (keyEvent->key_scan==0) && ((keyEvent->key_flags & Pk_KF_Scan_Valid)==Pk_KF_Scan_Valid))
{
posted = SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELUP, 0, 0);
break;
}
if ((keyEvent->key_cap==Pk_Down) && (keyEvent->key_scan==0) && ((keyEvent->key_flags & Pk_KF_Scan_Valid)==Pk_KF_Scan_Valid))
{
posted = SDL_PrivateMouseButton(SDL_PRESSED, SDL_BUTTON_WHEELDOWN, 0, 0);
break;
}
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posted = SDL_PrivateKeyboard(SDL_PRESSED, ph_TranslateKey(keyEvent, &keysym));
}
else /* must be key release */
{
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/* split the wheel events from real key events */
if ((keyEvent->key_cap==Pk_Up) && (keyEvent->key_scan==0) && ((keyEvent->key_flags & Pk_KF_Scan_Valid)==Pk_KF_Scan_Valid))
{
posted = SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELUP, 0, 0);
break;
}
if ((keyEvent->key_cap==Pk_Down) && (keyEvent->key_scan==0) && ((keyEvent->key_flags & Pk_KF_Scan_Valid)==Pk_KF_Scan_Valid))
{
posted = SDL_PrivateMouseButton(SDL_RELEASED, SDL_BUTTON_WHEELDOWN, 0, 0);
break;
}
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posted = SDL_PrivateKeyboard(SDL_RELEASED, ph_TranslateKey( keyEvent, &keysym));
}
}
break;
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case Ph_EV_INFO:
{
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if (event->subtype==Ph_OFFSCREEN_INVALID)
{
unsigned long* EvInfoData;
EvInfoData=(unsigned long*)PhGetData(event);
switch (*EvInfoData)
{
case Pg_VIDEO_MODE_SWITCHED:
{
}
break;
case Pg_ENTERED_DIRECT:
{
}
break;
case Pg_EXITED_DIRECT:
{
}
break;
case Pg_DRIVER_STARTED:
{
}
break;
}
}
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}
break;
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}
return(posted);
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}
/* perform a blocking read if no events available */
int ph_Pending(_THIS)
{
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/* Flush the display connection and look to see if events are queued */
PgFlush();
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while (1)
{
switch(PhEventPeek(event, EVENT_SIZE))
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{
case Ph_EVENT_MSG:
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return 1;
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case -1:
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SDL_SetError("ph_Pending(): PhEventNext failed.\n");
return 0;
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default:
return 0;
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}
}
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/* Oh well, nothing is ready .. */
return(0);
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}
void ph_PumpEvents(_THIS)
{
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/* Flush the display connection and look to see if events are queued */
PgFlush();
while (ph_Pending(this))
{
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PtEventHandler(event);
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ph_DispatchEvent(this);
}
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}
void ph_InitKeymap(void)
{
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int i;
/* Odd keys used in international keyboards */
for (i=0; i<SDL_TABLESIZE(ODD_keymap); ++i)
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{
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ODD_keymap[i] = SDLK_UNKNOWN;
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}
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/* Map the miscellaneous keys */
for (i=0; i<SDL_TABLESIZE(MISC_keymap); ++i)
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{
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MISC_keymap[i] = SDLK_UNKNOWN;
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}
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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;
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MISC_keymap[Pk_Super_L&0xFF] = SDLK_LSUPER;
MISC_keymap[Pk_Super_R&0xFF] = SDLK_RSUPER;
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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_Break&0xFF] = SDLK_BREAK;
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MISC_keymap[Pk_Menu&0xFF] = SDLK_MENU; /* Windows "Menu" key */
MISC_keymap[Pk_Hyper_R&0xFF] = SDLK_RSUPER; /* Right "Windows" */
/* Left "Windows" key, but it can't be catched by application */
MISC_keymap[Pk_Hyper_L&0xFF] = SDLK_LSUPER;
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}
static unsigned long cap;
SDL_keysym *ph_TranslateKey(PhKeyEvent_t *key, SDL_keysym *keysym)
{
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/* '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;
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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 0xF0:
keysym->sym = MISC_keymap[cap&0xFF];
break;
default:
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;
584
switch (keysym->scancode)
585
{
586
/* Esc key */
587
588
case 0x01: keysym->unicode = 27;
break;
589
590
591
592
593
594
/* BackSpace key */
case 0x0E: keysym->unicode = 127;
break;
/* Enter key */
case 0x1C: keysym->unicode = 10;
break;
595
596
597
598
default:
utf8len = PhKeyToMb(utf8, key);
if (utf8len > 0)
{
599
utf8len = mbtowc(&unicode, utf8, utf8len);
600
601
602
603
604
605
if (utf8len > 0)
{
keysym->unicode = unicode;
}
}
break;
606
}
607
608
609
610
}
return (keysym);
611
612
613
614
}
void ph_InitOSKeymap(_THIS)
{
615
ph_InitKeymap();
616
}