| 0,0 → 1,113 |
|---|
| /* |
| * Copyright (C) 2001-2004 Jakub Jermar |
| * Copyright (C) 2006 Josef Cejka |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup kbd |
| * @brief Handling of keyboard IRQ notifications for several architectures. |
| * @ingroup kbd |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #include <key_buffer.h> |
| #include <arch/scanc.h> |
| #include <genarch/scanc.h> |
| #include <genarch/kbd.h> |
| #include <libc.h> |
| |
| #define PRESSED_SHIFT (1<<0) |
| #define PRESSED_CAPSLOCK (1<<1) |
| #define LOCKED_CAPSLOCK (1<<0) |
| |
| static volatile int keyflags; /**< Tracking of multiple keypresses. */ |
| static volatile int lockflags; /**< Tracking of multiple keys lockings. */ |
| |
| void key_released(keybuffer_t *keybuffer, unsigned char key) |
| { |
| switch (key) { |
| case SC_LSHIFT: |
| case SC_RSHIFT: |
| keyflags &= ~PRESSED_SHIFT; |
| break; |
| case SC_CAPSLOCK: |
| keyflags &= ~PRESSED_CAPSLOCK; |
| if (lockflags & LOCKED_CAPSLOCK) |
| lockflags &= ~LOCKED_CAPSLOCK; |
| else |
| lockflags |= LOCKED_CAPSLOCK; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| void key_pressed(keybuffer_t *keybuffer, unsigned char key) |
| { |
| int *map = sc_primary_map; |
| int ascii = sc_primary_map[key]; |
| int shift, capslock; |
| int letter = 0; |
| |
| static int esc_count = 0; |
| |
| if (key == SC_ESC) { |
| esc_count++; |
| if (esc_count == 3) |
| __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE); |
| } else { |
| esc_count = 0; |
| } |
| |
| switch (key) { |
| case SC_LSHIFT: |
| case SC_RSHIFT: |
| keyflags |= PRESSED_SHIFT; |
| break; |
| case SC_CAPSLOCK: |
| keyflags |= PRESSED_CAPSLOCK; |
| break; |
| case SC_SPEC_ESCAPE: |
| break; |
| default: |
| letter = ((ascii >= 'a') && (ascii <= 'z')); |
| capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK); |
| shift = keyflags & PRESSED_SHIFT; |
| if (letter && capslock) |
| shift = !shift; |
| if (shift) |
| map = sc_secondary_map; |
| if (map[key] != SPECIAL) |
| keybuffer_push(keybuffer, map[key]); |
| break; |
| } |
| } |
| |
| /** |
| * @} |
| */ |