2002-11-15 05:40:55 -05:00
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/*
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2004-06-12 16:28:34 -04:00
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* Copyright (c) 2002-2004 LWJGL Project
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2002-11-15 05:40:55 -05:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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2004-06-12 16:28:34 -04:00
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* * Neither the name of 'LWJGL' nor the names of
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2002-11-15 05:40:55 -05:00
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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*
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2002-11-15 06:10:32 -05:00
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* Linux keyboard handling.
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2002-11-15 05:40:55 -05:00
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*
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2002-11-15 06:10:32 -05:00
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* @author elias_naur <elias_naur@users.sourceforge.net>
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2002-11-15 05:40:55 -05:00
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* @version $Revision$
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*/
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#include <X11/X.h>
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#include <X11/Xlib.h>
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2003-01-11 16:03:22 -05:00
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#include <X11/Xutil.h>
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2002-11-15 05:40:55 -05:00
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#include <string.h>
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#include <assert.h>
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2004-10-16 17:59:20 -04:00
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#include <iconv.h>
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#include <errno.h>
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2003-10-11 12:29:40 -04:00
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#include "Window.h"
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#include "common_tools.h"
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2002-11-15 05:40:55 -05:00
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#include "org_lwjgl_input_Keyboard.h"
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2004-11-02 07:48:58 -05:00
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#include "org_lwjgl_opengl_LinuxDisplay.h"
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2002-11-15 05:40:55 -05:00
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#define KEYBOARD_BUFFER_SIZE 50
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#define KEYBOARD_SIZE 256
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2003-02-09 12:01:01 -05:00
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#define KEY_EVENT_BACKLOG 40
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2002-11-26 15:07:06 -05:00
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2003-02-08 14:55:07 -05:00
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static unsigned char key_buf[KEYBOARD_SIZE];
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static unsigned char key_map[KEYBOARD_SIZE];
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2002-11-15 05:40:55 -05:00
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2003-10-11 12:29:40 -04:00
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static event_queue_t event_queue;
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2002-11-26 15:07:06 -05:00
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2003-02-08 14:55:07 -05:00
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static bool keyboard_grabbed;
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static bool buffer_enabled;
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static bool translation_enabled;
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2003-02-12 12:12:01 -05:00
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static bool created = false;
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2003-03-30 14:26:39 -05:00
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2004-10-16 17:59:20 -04:00
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// X input manager values
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static iconv_t iconv_descriptor;
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static XIM xim = NULL;
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static XIC xic = NULL;
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2003-05-16 14:39:46 -04:00
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static void grabKeyboard(void) {
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2004-04-12 06:05:13 -04:00
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if (!keyboard_grabbed) {
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int result = XGrabKeyboard(getDisplay(), getCurrentWindow(), False, GrabModeAsync, GrabModeAsync, CurrentTime);
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if (result == GrabSuccess)
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keyboard_grabbed = true;
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}
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2002-11-20 05:33:37 -05:00
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}
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2003-02-14 06:23:01 -05:00
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static void ungrabKeyboard(void) {
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2003-05-16 14:39:46 -04:00
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if (keyboard_grabbed) {
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keyboard_grabbed = false;
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2004-04-07 03:46:03 -04:00
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XUngrabKeyboard(getDisplay(), CurrentTime);
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2003-05-16 14:39:46 -04:00
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}
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2002-11-20 05:33:37 -05:00
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}
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2004-04-12 06:05:13 -04:00
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void updateKeyboardGrab(void) {
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2003-05-16 14:39:46 -04:00
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if (!created)
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return;
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2004-08-23 04:46:35 -04:00
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if (isLegacyFullscreen()/* || shouldGrab()*/) {
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2003-05-16 14:39:46 -04:00
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grabKeyboard();
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2003-02-14 06:23:01 -05:00
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} else {
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2003-05-16 14:39:46 -04:00
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ungrabKeyboard();
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2003-02-14 06:23:01 -05:00
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}
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2002-11-20 05:33:37 -05:00
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}
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2004-10-16 17:59:20 -04:00
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static void closeUnicodeStructs() {
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if (iconv_descriptor != (iconv_t)-1)
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iconv_close(iconv_descriptor);
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if (xic != NULL) {
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XDestroyIC(xic);
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xic = NULL;
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}
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if (xim != NULL) {
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XCloseIM(xim);
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xim = NULL;
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}
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}
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2004-10-18 08:26:30 -04:00
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static void setupIMEventMask() {
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long im_event_mask;
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XWindowAttributes win_attributes;
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XGetWindowAttributes(getDisplay(), getCurrentWindow(), &win_attributes);
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XGetICValues(xic, XNFilterEvents, &im_event_mask, NULL);
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XSelectInput(getDisplay(), getCurrentWindow(), win_attributes.your_event_mask | im_event_mask);
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XSetICFocus(xic);
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}
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2004-11-02 07:48:58 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_createKeyboard
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(JNIEnv * env, jobject this)
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2002-11-15 05:40:55 -05:00
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{
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2004-04-07 03:46:03 -04:00
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Display *disp = incDisplay(env);
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if (disp == NULL)
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return;
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2004-09-10 04:13:56 -04:00
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int i;
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for (i = 0; i < KEYBOARD_SIZE; i++)
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2002-11-25 09:57:13 -05:00
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key_map[i] = i;
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key_map[0x6b] = 0xdb; // Left doze key
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key_map[0x6c] = 0xdc; // Right doze key
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key_map[0x6d] = 0xdd; // Apps key
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key_map[0x5a] = 0xc8; // Up arrow
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key_map[0x5c] = 0xcb; // Left arrow
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key_map[0x5e] = 0xcd; // Right arrow
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key_map[0x60] = 0xd0; // Down arrow
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key_map[0x59] = 0xc7; // Home
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key_map[0x62] = 0xd2; // Insert
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key_map[0x63] = 0xd3; // Delete
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key_map[0x5f] = 0xcf; // End
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key_map[0x5b] = 0xc9; // Page up
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key_map[0x61] = 0xd1; // Page down
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key_map[0x67] = 0xb7; // SysRQ
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key_map[0x66] = 0xc5; // Pause
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key_map[0x64] = 0x9c; // Numpad enter
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2003-02-02 17:49:16 -05:00
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key_map[0x65] = 0x9d; // Right control
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2002-11-25 09:57:13 -05:00
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key_map[0x68] = 0xb5; // Numpad divide
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2002-11-15 05:40:55 -05:00
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memset(key_buf, 0, KEYBOARD_SIZE*sizeof(unsigned char));
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2003-02-12 12:12:01 -05:00
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created = true;
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2003-06-01 13:20:03 -04:00
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keyboard_grabbed = false;
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translation_enabled = false;
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buffer_enabled = false;
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2004-09-27 09:20:27 -04:00
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initEventQueue(&event_queue, 3);
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2004-04-12 06:05:13 -04:00
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updateKeyboardGrab();
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2004-10-16 17:59:20 -04:00
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// Allocate unicode structures
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iconv_descriptor = iconv_open("UCS-2", "UTF-8");
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if (iconv_descriptor != (iconv_t)-1) {
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xim = XOpenIM(getDisplay(), NULL, NULL, NULL);
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if (xim != NULL) {
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xic = XCreateIC(xim, XNClientWindow, getCurrentWindow(), XNFocusWindow, getCurrentWindow(), XNInputStyle, XIMPreeditNothing | XIMStatusNothing, NULL);
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2004-10-18 08:26:30 -04:00
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if (xic != NULL) {
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setupIMEventMask();
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} else {
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2004-10-16 17:59:20 -04:00
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closeUnicodeStructs();
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}
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} else
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closeUnicodeStructs();
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}
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2002-11-15 05:40:55 -05:00
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}
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2004-11-02 07:48:58 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_destroyKeyboard
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(JNIEnv * env, jobject this)
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2002-11-15 05:40:55 -05:00
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{
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2004-10-16 17:59:20 -04:00
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closeUnicodeStructs();
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2003-05-16 14:39:46 -04:00
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ungrabKeyboard();
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2003-02-12 12:12:01 -05:00
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created = false;
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2004-04-07 03:46:03 -04:00
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decDisplay();
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2002-11-15 05:40:55 -05:00
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}
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2003-02-14 06:23:01 -05:00
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static unsigned char getKeycode(XKeyEvent *event) {
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2003-01-11 16:03:22 -05:00
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unsigned char keycode = (unsigned char)((event->keycode - 8) & 0xff);
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2002-11-26 15:07:06 -05:00
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keycode = key_map[keycode];
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return keycode;
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}
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2004-09-27 09:20:27 -04:00
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static void putKeyboardEvent(jint keycode, jint state, jint ch) {
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int event_list[] = {keycode, state, ch};
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putEvent(&event_queue, event_list);
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}
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2004-10-16 17:59:20 -04:00
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static int lookupStringISO88591(XKeyEvent *event, jint *translation_buffer) {
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2003-01-11 16:03:22 -05:00
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static XComposeStatus status;
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2004-10-16 17:59:20 -04:00
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char char_translation_buffer[KEYBOARD_BUFFER_SIZE];
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int i;
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int num_chars = XLookupString(event, char_translation_buffer, KEYBOARD_BUFFER_SIZE*sizeof(char), NULL, &status);
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for (i = 0; i < num_chars; i++)
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translation_buffer[i] = ((jint)char_translation_buffer[i]) & 0xff;
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return num_chars;
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}
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static int lookupStringUnicode(XKeyEvent *event, jint *translation_buffer) {
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char utf8_translation_buffer[KEYBOARD_BUFFER_SIZE];
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2004-10-18 08:26:30 -04:00
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2004-10-16 17:59:20 -04:00
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jchar ucs2_translation_buffer[KEYBOARD_BUFFER_SIZE];
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char *utf8_buf = utf8_translation_buffer;
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jchar *ucs2_buf = ucs2_translation_buffer;
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size_t ucs2_bytes = KEYBOARD_BUFFER_SIZE*sizeof(jchar);
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Status status;
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int i;
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size_t utf8_bytes = Xutf8LookupString(xic, event, utf8_translation_buffer, KEYBOARD_BUFFER_SIZE*sizeof(char), NULL, &status);
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if (status != XLookupChars && status != XLookupBoth)
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return 0;
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// reset converter
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iconv(iconv_descriptor, NULL, NULL, NULL, NULL);
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// convert from UTF-8 to UCS-2
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size_t iconv_result = iconv(iconv_descriptor, &utf8_buf, &utf8_bytes, (void *)&ucs2_buf, &ucs2_bytes);
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// compute number of characters converted
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int num_chars_converted = KEYBOARD_BUFFER_SIZE - ucs2_bytes/sizeof(jchar);
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if (iconv_result == (size_t)-1) {
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errno = 0; // ignore conversion error and return no chars converted
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return 0;
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}
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for (i = 0; i < num_chars_converted; i++) {
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translation_buffer[i] = ((jint)ucs2_translation_buffer[i]) & 0xffff;
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}
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return num_chars_converted;
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}
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static int lookupString(XKeyEvent *event, jint *translation_buffer) {
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if (xic != NULL) {
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return lookupStringUnicode(event, translation_buffer);
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} else
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return lookupStringISO88591(event, translation_buffer);
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}
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static void translateEvent(XKeyEvent *event, jint keycode, jint state) {
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jint temp_translation_buffer[KEYBOARD_BUFFER_SIZE];
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2004-09-22 07:08:21 -04:00
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int num_chars, i;
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jint ch;
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2003-01-11 16:03:22 -05:00
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2004-09-22 07:08:21 -04:00
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if (!translation_enabled || event->type == KeyRelease) {
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2004-09-27 09:20:27 -04:00
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putKeyboardEvent(keycode, state, 0);
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2004-10-15 17:31:46 -04:00
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return;
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2003-01-11 16:03:22 -05:00
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}
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2004-10-16 17:59:20 -04:00
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num_chars = lookupString(event, temp_translation_buffer);
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2003-01-11 16:03:22 -05:00
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if (num_chars > 0) {
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2004-10-16 17:59:20 -04:00
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ch = temp_translation_buffer[0];
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2004-09-27 09:20:27 -04:00
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putKeyboardEvent(keycode, state, ch);
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2004-10-15 17:31:46 -04:00
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for (i = 1; i < num_chars; i++) {
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2004-10-16 17:59:20 -04:00
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ch = temp_translation_buffer[i];
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2004-09-27 09:20:27 -04:00
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putKeyboardEvent(0, 0, ch);
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2003-01-11 16:03:22 -05:00
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}
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} else {
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2004-09-27 09:20:27 -04:00
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putKeyboardEvent(keycode, state, 0);
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2003-01-11 16:03:22 -05:00
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}
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}
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2003-02-14 06:23:01 -05:00
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static unsigned char eventState(XKeyEvent *event) {
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2003-01-11 16:03:22 -05:00
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if (event->type == KeyPress) {
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return 1;
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} else if (event->type == KeyRelease) {
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return 0;
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} else
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assert(0);
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}
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2003-10-11 12:29:40 -04:00
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static void bufferEvent(XKeyEvent *key_event) {
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unsigned char keycode = getKeycode(key_event);
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unsigned char state = eventState(key_event);
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//printf("Reading a key %d %d count %d\n", (int)keycode, (int)state, num_events);
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2004-09-27 09:20:27 -04:00
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translateEvent(key_event, keycode, state);
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2003-10-11 12:29:40 -04:00
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}
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2003-02-09 12:01:01 -05:00
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void handleKeyEvent(XKeyEvent *event) {
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unsigned char keycode = getKeycode(event);
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unsigned char state = eventState(event);
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key_buf[keycode] = state;
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if (buffer_enabled)
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2003-10-11 12:29:40 -04:00
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bufferEvent(event);
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2003-02-09 12:01:01 -05:00
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}
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2004-11-02 07:48:58 -05:00
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_pollKeyboard(JNIEnv * env, jobject this, jobject buffer) {
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2004-09-10 04:13:56 -04:00
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|
|
unsigned char *new_keyboard_buffer = (unsigned char *)(*env)->GetDirectBufferAddress(env, buffer);
|
2004-12-11 15:09:04 -05:00
|
|
|
handleMessages(env);
|
2003-06-24 08:24:55 -04:00
|
|
|
memcpy(new_keyboard_buffer, key_buf, KEYBOARD_SIZE*sizeof(unsigned char));
|
2002-11-15 05:40:55 -05:00
|
|
|
}
|
|
|
|
|
2004-11-02 07:48:58 -05:00
|
|
|
JNIEXPORT int JNICALL Java_org_lwjgl_opengl_LinuxDisplay_readKeyboard(JNIEnv * env, jobject this, jobject buffer, jint buffer_position) {
|
2004-12-11 15:09:04 -05:00
|
|
|
handleMessages(env);
|
2004-09-22 07:08:21 -04:00
|
|
|
jint* buffer_ptr = (jint *)(*env)->GetDirectBufferAddress(env, buffer);
|
|
|
|
int buffer_size = ((*env)->GetDirectBufferCapacity(env, buffer))/sizeof(jint) - buffer_position;
|
2004-09-27 09:20:27 -04:00
|
|
|
return copyEvents(&event_queue, buffer_ptr + buffer_position, buffer_size);
|
2003-01-11 16:03:22 -05:00
|
|
|
}
|
|
|
|
|
2004-11-02 07:48:58 -05:00
|
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_enableTranslation(JNIEnv *env, jobject this) {
|
2003-01-11 16:03:22 -05:00
|
|
|
translation_enabled = true;
|
2002-11-15 05:40:55 -05:00
|
|
|
}
|
|
|
|
|
2004-11-02 07:48:58 -05:00
|
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_enableKeyboardBuffer(JNIEnv * env, jobject this) {
|
2003-01-11 16:03:22 -05:00
|
|
|
buffer_enabled = true;
|
2002-11-15 05:40:55 -05:00
|
|
|
}
|
2003-08-23 05:47:58 -04:00
|
|
|
|
2004-11-02 07:48:58 -05:00
|
|
|
JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_LinuxDisplay_isStateKeySet(JNIEnv *env, jobject this, jint key) {
|
2004-03-26 16:11:20 -05:00
|
|
|
return org_lwjgl_input_Keyboard_STATE_UNKNOWN;
|
2003-08-23 05:47:58 -04:00
|
|
|
}
|