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view src/video/ggi/SDL_ggievents.c @ 4347:38f22ed3a433 SDL-1.2

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Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
parents a1b03ba2fcd0
children
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2009 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
*/
#include "SDL_config.h"

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

#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include <fcntl.h>
#include <termios.h>

#include <ggi/keyboard.h>

#include "SDL_ggikeys.h"

#include "SDL.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_sysevents.h"
#include "../../events/SDL_events_c.h"
#include "SDL_ggivideo.h"
#include "SDL_ggievents_c.h"

/* The translation tables from a GGI keycode to a SDL keysym */
static SDLKey keymap[128];
static SDL_keysym *GGI_TranslateKey(ggi_event *ev, SDL_keysym *keysym);

static int posted = 0;

void GGI_PumpEvents(_THIS)
{
	struct timeval *tvp, tv = { 0, 0 };
	ggi_event ev;

	tvp = &tv;
	
/*	ggiFlush(VIS); */
	
	while (ggiEventPoll(VIS, emAll, tvp))
/*	while (ggiEventPoll(VIS, (emKeyboard | emPointer | emCommand), tvp)) */
	{
		int queueevent_mouse = 0, queueevent_kbd = 0;
		static int buttons = 0;
		static int mouse_x = 0, mouse_y = 0, mouse_z = 0;
		int x = 0, y = 0, z = 0, rx = 0, ry = 0, rz = 0;
		int pressed_mouse, pressed_kbd;
		SDL_keysym keysym;
		
		posted = 0;

		/* FIXME: We do not actually want all events, only
		 * mouse and keyboard events.  Having to handle all
                 * events will slow things down.  */

		ggiEventRead(VIS, &ev, emAll);
/*		ggiEventRead(VIS, &ev, (emKeyboard | emPointer | emCommand)); */
		
		switch (ev.any.type)
		{
			case evPtrRelative:
			x = ev.pmove.x;
			y = ev.pmove.y;
			z = ev.pmove.wheel;
			posted += SDL_PrivateMouseMotion(0, 1, x, y);
			break;
			case evPtrAbsolute:
			if (mouse_x != ev.pmove.x || mouse_y != ev.pmove.y || mouse_z != ev.pmove.wheel)
			{
				x = ev.pmove.x - mouse_x;
				y = ev.pmove.y - mouse_y;
				z = ev.pmove.wheel - mouse_z;
				mouse_x = ev.pmove.x;
				mouse_y = ev.pmove.y;
				mouse_z = ev.pmove.wheel;
				posted += SDL_PrivateMouseMotion(0, 1, x, y);
			} 
			break;
			case evPtrButtonPress:
			posted += SDL_PrivateMouseButton(SDL_PRESSED, ev.pbutton.button, 0, 0);
			break;
			case evPtrButtonRelease:
			posted += SDL_PrivateMouseButton(SDL_RELEASED, ev.pbutton.button, 0, 0);
			break;
			case evKeyPress:
			case evKeyRepeat:
			posted += SDL_PrivateKeyboard(SDL_PRESSED, GGI_TranslateKey(&ev, &keysym));
			break;
			case evKeyRelease:
			posted += SDL_PrivateKeyboard(SDL_RELEASED, GGI_TranslateKey(&ev, &keysym));
			break;
			case evCommand:
			fprintf(stderr, "Command event %x recieved\n", ev.cmd.code);
			break;
 			default:
			fprintf(stderr, "Unhandled event type %d\n", ev.any.type);
			break;
		}
	}

}

void GGI_InitOSKeymap(_THIS)
{
	int i;
	
	/* Initialize the GGI key translation table */
	for ( i=0; i<SDL_arraysize(keymap); ++i )
		keymap[i] = SDLK_UNKNOWN;
	
	keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
	keymap[SCANCODE_1] = SDLK_1;
	keymap[SCANCODE_2] = SDLK_2;
	keymap[SCANCODE_3] = SDLK_3;
	keymap[SCANCODE_4] = SDLK_4;
	keymap[SCANCODE_5] = SDLK_5;
	keymap[SCANCODE_6] = SDLK_6;
	keymap[SCANCODE_7] = SDLK_7;
	keymap[SCANCODE_8] = SDLK_8;
	keymap[SCANCODE_9] = SDLK_9;
	keymap[SCANCODE_0] = SDLK_0;
	keymap[SCANCODE_MINUS] = SDLK_MINUS;
	keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
	keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
	keymap[SCANCODE_TAB] = SDLK_TAB;
	keymap[SCANCODE_Q] = SDLK_q;
	keymap[SCANCODE_W] = SDLK_w;
	keymap[SCANCODE_E] = SDLK_e;
	keymap[SCANCODE_R] = SDLK_r;
	keymap[SCANCODE_T] = SDLK_t;
	keymap[SCANCODE_Y] = SDLK_y;
	keymap[SCANCODE_U] = SDLK_u;
	keymap[SCANCODE_I] = SDLK_i;
	keymap[SCANCODE_O] = SDLK_o;
	keymap[SCANCODE_P] = SDLK_p;
	keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
	keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
	keymap[SCANCODE_ENTER] = SDLK_RETURN;
	keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
	keymap[SCANCODE_A] = SDLK_a;
	keymap[SCANCODE_S] = SDLK_s;
	keymap[SCANCODE_D] = SDLK_d;
	keymap[SCANCODE_F] = SDLK_f;
	keymap[SCANCODE_G] = SDLK_g;
	keymap[SCANCODE_H] = SDLK_h;
	keymap[SCANCODE_J] = SDLK_j;
	keymap[SCANCODE_K] = SDLK_k;
	keymap[SCANCODE_L] = SDLK_l;
	keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
	keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
	keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
	keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
	keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
	keymap[SCANCODE_Z] = SDLK_z;
	keymap[SCANCODE_X] = SDLK_x;
	keymap[SCANCODE_C] = SDLK_c;
	keymap[SCANCODE_V] = SDLK_v;
	keymap[SCANCODE_B] = SDLK_b;
	keymap[SCANCODE_N] = SDLK_n;
	keymap[SCANCODE_M] = SDLK_m;
	keymap[SCANCODE_COMMA] = SDLK_COMMA;
	keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
	keymap[SCANCODE_SLASH] = SDLK_SLASH;
	keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
	keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
	keymap[SCANCODE_LEFTALT] = SDLK_LALT;
	keymap[SCANCODE_SPACE] = SDLK_SPACE;
	keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
	keymap[SCANCODE_F1] = SDLK_F1;
	keymap[SCANCODE_F2] = SDLK_F2;
	keymap[SCANCODE_F3] = SDLK_F3;
	keymap[SCANCODE_F4] = SDLK_F4;
	keymap[SCANCODE_F5] = SDLK_F5;
	keymap[SCANCODE_F6] = SDLK_F6;
	keymap[SCANCODE_F7] = SDLK_F7;
	keymap[SCANCODE_F8] = SDLK_F8;
	keymap[SCANCODE_F9] = SDLK_F9;
	keymap[SCANCODE_F10] = SDLK_F10;
	keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
	keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
	keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
	keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
	keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
	keymap[SCANCODE_CURSORUP] = SDLK_KP8;
	keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
	keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
	keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
	keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
	keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
	keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
	keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
	keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
	keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
	keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
	keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
	keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
	keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
	keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
	keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
	keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
	keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
	keymap[SCANCODE_LESS] = SDLK_LESS;
	keymap[SCANCODE_F11] = SDLK_F11;
	keymap[SCANCODE_F12] = SDLK_F12;
	keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
	keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
	keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
	keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
	keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
	keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
	keymap[SCANCODE_BREAK] = SDLK_BREAK;
	keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
	keymap[SCANCODE_HOME] = SDLK_HOME;
	keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
	keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
	keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
	keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
	keymap[SCANCODE_END] = SDLK_END;
	keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
	keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
	keymap[SCANCODE_INSERT] = SDLK_INSERT;
	keymap[SCANCODE_REMOVE] = SDLK_DELETE;
	keymap[119] = SDLK_PAUSE;
	keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
	keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
	keymap[127] = SDLK_MENU;
}



static SDL_keysym *GGI_TranslateKey(gii_event *ev, SDL_keysym *keysym)
{
	/* Set the keysym information */
	keysym->scancode = ev->key.button;
	keysym->sym = keymap[ev->key.button];
	keysym->mod = KMOD_NONE;

	/* If UNICODE is on, get the UNICODE value for the key */
	keysym->unicode = 0;
	if (SDL_TranslateUNICODE) 
	{
		keysym->unicode = GII_UNICODE(ev->key.sym);
	}

	return keysym;
}