diff src/video/aalib/SDL_aaevents.c @ 0:74212992fb08

Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
parents
children e8157fcb3114
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/aalib/SDL_aaevents.c	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,202 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  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@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* Handle the event stream, converting AA events into SDL events */
+
+#include <stdio.h>
+
+#include <aalib.h>
+
+#include "SDL.h"
+#include "SDL_sysevents.h"
+#include "SDL_events_c.h"
+#include "SDL_aavideo.h"
+#include "SDL_aaevents_c.h"
+
+/* The translation tables from a console scancode to a SDL keysym */
+static SDLKey keymap[401];
+
+static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
+
+
+void AA_PumpEvents(_THIS)
+{
+	int posted = 0;
+	int mouse_button, mouse_x, mouse_y;
+	int evt;
+	SDL_keysym keysym;
+
+	static int prev_button = -1, prev_x = -1, prev_y = -1;
+
+	if( ! this->screen ) /* Wait till we got the screen initialized */
+	  return;
+
+	do {
+		posted = 0;
+		/* Gather events */
+
+		/* Get mouse status */
+		SDL_mutexP(AA_mutex);
+		aa_getmouse (AA_context, &mouse_x, &mouse_y, &mouse_button);
+		SDL_mutexV(AA_mutex);
+		mouse_x = mouse_x * this->screen->w / aa_scrwidth (AA_context);
+		mouse_y = mouse_y * this->screen->h / aa_scrheight (AA_context);
+
+		/* Compare against previous state and generate events */
+		if( prev_button != mouse_button ) {
+			if( mouse_button & AA_BUTTON1 ) {
+				if ( ! (prev_button & AA_BUTTON1) ) {
+					posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0);
+				}
+			} else {
+				if ( prev_button & AA_BUTTON1 ) {
+					posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0);
+				}
+			}
+			if( mouse_button & AA_BUTTON2 ) {
+				if ( ! (prev_button & AA_BUTTON2) ) {
+					posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0);
+				}
+			} else {
+				if ( prev_button & AA_BUTTON2 ) {
+					posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0);
+				}
+			}
+			if( mouse_button & AA_BUTTON3 ) {
+				if ( ! (prev_button & AA_BUTTON3) ) {
+					posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0);
+				}
+			} else {
+				if ( prev_button & AA_BUTTON3 ) {
+					posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0);
+				}
+			}
+		}
+		if ( prev_x != mouse_x || prev_y != mouse_y ) {
+			posted += SDL_PrivateMouseMotion(0, 0, mouse_x, mouse_y);
+		}
+
+		prev_button = mouse_button;
+		prev_x = mouse_x; prev_y = mouse_y;
+
+		/* Get keyboard event */
+		SDL_mutexP(AA_mutex);
+		evt = aa_getevent(AA_context, 0);
+		SDL_mutexV(AA_mutex);
+		if ( (evt > AA_NONE) && (evt < AA_RELEASE) && (evt != AA_MOUSE) && (evt != AA_RESIZE) ) {
+			/* Key pressed */
+/*    			printf("Key pressed: %d (%c)\n", evt, evt); */
+			posted += SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(evt, &keysym));
+		} else if ( evt >= AA_RELEASE ) {
+			/* Key released */
+			evt &= ~AA_RELEASE;
+/*  			printf("Key released: %d (%c)\n", evt, evt); */
+			posted += SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(evt, &keysym));
+		}
+	} while ( posted );
+}
+
+void AA_InitOSKeymap(_THIS)
+{
+	int i;
+	static const char *std_keys = " 01234567890&#'()_-|$*+-=/\\:;.,!?<>{}[]@~%^\x9";
+	const char *std;
+
+	/* Initialize the AAlib key translation table */
+	for ( i=0; i<SDL_TABLESIZE(keymap); ++i )
+		keymap[i] = SDLK_UNKNOWN;
+
+	keymap[AA_ESC] = SDLK_ESCAPE;
+	keymap[AA_UP] = SDLK_UP;
+	keymap[AA_DOWN] = SDLK_DOWN;
+	keymap[AA_LEFT] = SDLK_LEFT;
+	keymap[AA_RIGHT] = SDLK_RIGHT;
+
+	/* Alphabet keys */
+	for ( i = 0; i<26; ++i ){
+		keymap['a' + i] = SDLK_a+i;
+		keymap['A' + i] = SDLK_a+i;
+	}
+	/* Function keys */
+	for ( i = 0; i<12; ++i ){
+		keymap[334 + i] = SDLK_F1+i;
+	}
+	/* Keys that have the same symbols and don't have to be translated */
+	for( std = std_keys; *std; std ++ ) {
+		keymap[*std] = *std;
+	}
+
+	keymap[13] = SDLK_RETURN;
+	keymap[AA_BACKSPACE] = SDLK_BACKSPACE;
+
+	keymap[369] = SDLK_LSHIFT;
+	keymap[370] = SDLK_RSHIFT;
+	keymap[371] = SDLK_LCTRL;
+	keymap[372] = SDLK_RCTRL;
+	keymap[377] = SDLK_LALT;
+	keymap[270] = SDLK_RALT;
+	keymap[271] = SDLK_NUMLOCK;
+	keymap[373] = SDLK_CAPSLOCK;
+	keymap[164] = SDLK_SCROLLOCK;
+
+	keymap[243] = SDLK_INSERT;
+	keymap[304] = SDLK_DELETE;
+	keymap[224] = SDLK_HOME;
+	keymap[231] = SDLK_END;
+	keymap[229] = SDLK_PAGEUP;
+	keymap[230] = SDLK_PAGEDOWN;
+
+	keymap[241] = SDLK_PRINT;
+	keymap[163] = SDLK_BREAK;
+
+	keymap[302] = SDLK_KP0;
+	keymap[300] = SDLK_KP1;
+	keymap[297] = SDLK_KP2;
+	keymap[299] = SDLK_KP3;
+	keymap[294] = SDLK_KP4;
+	keymap[301] = SDLK_KP5;
+	keymap[296] = SDLK_KP6;
+	keymap[293] = SDLK_KP7;
+	keymap[295] = SDLK_KP8;
+	keymap[298] = SDLK_KP9;
+}
+
+static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
+{
+	/* Set the keysym information */
+	keysym->scancode = scancode;
+	keysym->sym = keymap[scancode];
+	keysym->mod = KMOD_NONE;
+
+	/* If UNICODE is on, get the UNICODE value for the key */
+	keysym->unicode = 0;
+	if ( SDL_TranslateUNICODE ) {
+		/* Populate the unicode field with the ASCII value */
+		keysym->unicode = scancode;
+	}
+	return(keysym);
+}