From 7fe60435bce6595a9c58a9bfd8244d74b5320e96 Mon Sep 17 00:00:00 2001 From: Benjamin Franzke Date: Tue, 15 Jan 2013 08:46:13 +0100 Subject: Import DirectFB141_2k11R3_beta5 --- Source/DirectFB/inputdrivers/keyboard/keyboard.c | 524 +++++++++++++++++++++++ 1 file changed, 524 insertions(+) create mode 100755 Source/DirectFB/inputdrivers/keyboard/keyboard.c (limited to 'Source/DirectFB/inputdrivers/keyboard/keyboard.c') diff --git a/Source/DirectFB/inputdrivers/keyboard/keyboard.c b/Source/DirectFB/inputdrivers/keyboard/keyboard.c new file mode 100755 index 0000000..783ebfb --- /dev/null +++ b/Source/DirectFB/inputdrivers/keyboard/keyboard.c @@ -0,0 +1,524 @@ +/* + (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org) + (c) Copyright 2000-2004 Convergence (integrated media) GmbH + + All rights reserved. + + Written by Denis Oliver Kropp , + Andreas Hundt , + Sven Neumann , + Ville Syrjälä and + Claudio Ciccani . + + 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 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +#include + +#include + +#include +#include +#include +#include + +#include +#include +#include +#include + +#include + +#include + +#include + +#include + +#include + +#include +#include + +#include +#include + +#include + +#include +#include +#include +#include + +#include + + + +DFB_INPUT_DRIVER( keyboard ) + +typedef struct { + CoreInputDevice *device; + DirectThread *thread; + + struct termios old_ts; + + int vt_fd; +} KeyboardData; + +static DFBInputDeviceKeySymbol +keyboard_get_symbol( int code, + unsigned short value, + DFBInputDeviceKeymapSymbolIndex level ) +{ + unsigned char type = KTYP(value); + unsigned char index = KVAL(value); + int base = (level == DIKSI_BASE); + + switch (type) { + case KT_FN: + if (index < 20) + return DFB_FUNCTION_KEY( index + 1 ); + break; + case KT_LETTER: + case KT_LATIN: + switch (index) { + case 0x1c: + return DIKS_PRINT; + case 0x7f: + return DIKS_BACKSPACE; + case 0xa4: + return 0x20ac; /* euro currency sign */ + default: + return index; + } + break; + case KT_DEAD: + switch (value) { + case K_DGRAVE: + return DIKS_DEAD_GRAVE; + + case K_DACUTE: + return DIKS_DEAD_ACUTE; + + case K_DCIRCM: + return DIKS_DEAD_CIRCUMFLEX; + + case K_DTILDE: + return DIKS_DEAD_TILDE; + + case K_DDIERE: + return DIKS_DEAD_DIAERESIS; + + case K_DCEDIL: + return DIKS_DEAD_CEDILLA; + + default: + break; + } + break; + case KT_PAD: + if (index <= 9 && level != DIKSI_BASE) + return DIKS_0 + index; + break; + case 0xe: /* special IPAQ H3600 case - AH */ + switch (index) { + case 0x20: return DIKS_CALENDAR; + case 0x1a: return DIKS_BACK; + case 0x1c: return DIKS_MEMO; + case 0x21: return DIKS_POWER; + } + break; + case 0xd: /* another special IPAQ H3600 case - AH */ + switch (index) { + case 0x2: return DIKS_DIRECTORY; + case 0x1: return DIKS_MAIL; /* Q on older iPaqs */ + } + break; + } + + switch (value) { + case K_LEFT: return DIKS_CURSOR_LEFT; + case K_RIGHT: return DIKS_CURSOR_RIGHT; + case K_UP: return DIKS_CURSOR_UP; + case K_DOWN: return DIKS_CURSOR_DOWN; + case K_ENTER: return DIKS_ENTER; + case K_CTRL: return DIKS_CONTROL; + case K_SHIFT: return DIKS_SHIFT; + case K_ALT: return DIKS_ALT; + case K_ALTGR: return DIKS_ALTGR; + case K_INSERT: return DIKS_INSERT; + case K_REMOVE: return DIKS_DELETE; + case K_FIND: return DIKS_HOME; + case K_SELECT: return DIKS_END; + case K_PGUP: return DIKS_PAGE_UP; + case K_PGDN: return DIKS_PAGE_DOWN; + case K_NUM: return DIKS_NUM_LOCK; + case K_HOLD: return DIKS_SCROLL_LOCK; + case K_PAUSE: return DIKS_PAUSE; + case K_BREAK: return DIKS_BREAK; + case K_CAPS: return DIKS_CAPS_LOCK; + + case K_P0: return DIKS_INSERT; + case K_P1: return DIKS_END; + case K_P2: return DIKS_CURSOR_DOWN; + case K_P3: return DIKS_PAGE_DOWN; + case K_P4: return DIKS_CURSOR_LEFT; + case K_P5: return DIKS_BEGIN; + case K_P6: return DIKS_CURSOR_RIGHT; + case K_P7: return DIKS_HOME; + case K_P8: return DIKS_CURSOR_UP; + case K_P9: return DIKS_PAGE_UP; + case K_PPLUS: return DIKS_PLUS_SIGN; + case K_PMINUS: return DIKS_MINUS_SIGN; + case K_PSTAR: return DIKS_ASTERISK; + case K_PSLASH: return DIKS_SLASH; + case K_PENTER: return DIKS_ENTER; + case K_PCOMMA: return base ? DIKS_DELETE : DIKS_COMMA; + case K_PDOT: return base ? DIKS_DELETE : DIKS_PERIOD; + case K_PPARENL: return DIKS_PARENTHESIS_LEFT; + case K_PPARENR: return DIKS_PARENTHESIS_RIGHT; + } + + /* special keys not in the map, hack? */ + if (code == 124) /* keypad equal key */ + return DIKS_EQUALS_SIGN; + + if (code == 125) /* left windows key */ + return DIKS_META; + + if (code == 126) /* right windows key */ + return DIKS_META; + + if (code == 127) /* context menu key */ + return DIKS_SUPER; + + return DIKS_NULL; +} + +static DFBInputDeviceKeyIdentifier +keyboard_get_identifier( int code, unsigned short value ) +{ + unsigned char type = KTYP(value); + unsigned char index = KVAL(value); + + if (type == KT_PAD) { + if (index <= 9) + return DIKI_KP_0 + index; + + switch (value) { + case K_PSLASH: return DIKI_KP_DIV; + case K_PSTAR: return DIKI_KP_MULT; + case K_PMINUS: return DIKI_KP_MINUS; + case K_PPLUS: return DIKI_KP_PLUS; + case K_PENTER: return DIKI_KP_ENTER; + case K_PCOMMA: + case K_PDOT: return DIKI_KP_DECIMAL; + } + } + + /* Looks like a hack, but don't know a better way yet. */ + switch (code) { + case 12: return DIKI_MINUS_SIGN; + case 13: return DIKI_EQUALS_SIGN; + case 26: return DIKI_BRACKET_LEFT; + case 27: return DIKI_BRACKET_RIGHT; + case 39: return DIKI_SEMICOLON; + case 40: return DIKI_QUOTE_RIGHT; + case 41: return DIKI_QUOTE_LEFT; + case 43: return DIKI_BACKSLASH; + case 51: return DIKI_COMMA; + case 52: return DIKI_PERIOD; + case 53: return DIKI_SLASH; + case 54: return DIKI_SHIFT_R; + case 97: return DIKI_CONTROL_R; + default: + ; + } + + /* special keys not in the map, hack? */ + if (code == 124) /* keypad equal key */ + return DIKI_KP_EQUAL; + + if (code == 125) /* left windows key */ + return DIKI_META_L; + + if (code == 126) /* right windows key */ + return DIKI_META_R; + + if (code == 127) /* context menu key */ + return DIKI_SUPER_R; + + return DIKI_UNKNOWN; +} + +static unsigned short +keyboard_read_value( KeyboardData *data, + unsigned char table, unsigned char index ) +{ + struct kbentry entry; + + entry.kb_table = table; + entry.kb_index = index; + entry.kb_value = 0; + + if (ioctl( data->vt_fd, KDGKBENT, &entry )) { + D_PERROR("DirectFB/keyboard: KDGKBENT (table: %d, index: %d) " + "failed!\n", table, index); + return 0; + } + + return entry.kb_value; +} + +static void +keyboard_set_lights( KeyboardData *data, DFBInputDeviceLockState locks ) +{ + ioctl( data->vt_fd, KDSKBLED, locks ); +} + +static void* +keyboardEventThread( DirectThread *thread, void *driver_data ) +{ + int readlen; + unsigned char buf[64]; + KeyboardData *data = (KeyboardData*) driver_data; + + /* Read keyboard data */ + while ((readlen = read (data->vt_fd, buf, 64)) >= 0 || errno == EINTR) { + int i; + + direct_thread_testcancel( thread ); + + for (i = 0; i < readlen; i++) { + DFBInputEvent evt; + + evt.type = ((buf[i] & 0x80) ? + DIET_KEYRELEASE : DIET_KEYPRESS); + evt.flags = DIEF_KEYCODE; + evt.key_code = buf[i] & 0x7f; + + dfb_input_dispatch( data->device, &evt ); + + keyboard_set_lights( data, evt.locks ); + } + + if (readlen <= 0) + usleep( 200000 ); + } + + if (readlen <= 0 && errno != EINTR) + D_PERROR ("keyboard thread died\n"); + + return NULL; +} + +/* driver functions */ + +static int +driver_get_available( void ) +{ + int fd; + + switch (dfb_system_type()) { + case CORE_FBDEV: + case CORE_DEVMEM: + return 1; + + default: + return 0; + } + + fd = open( "/dev/tty0", O_RDWR | O_NOCTTY ); + if (fd < 0) + return 0; + + close( fd ); + + return 1; +} + +static void +driver_get_info( InputDriverInfo *info ) +{ + /* fill driver info structure */ + snprintf( info->name, + DFB_INPUT_DRIVER_INFO_NAME_LENGTH, "Keyboard Driver" ); + + snprintf( info->vendor, + DFB_INPUT_DRIVER_INFO_VENDOR_LENGTH, "directfb.org" ); + + info->version.major = 0; + info->version.minor = 9; +} + +static DFBResult +driver_open_device( CoreInputDevice *device, + unsigned int number, + InputDeviceInfo *info, + void **driver_data ) +{ + int fd; + struct termios ts; + KeyboardData *data; + + + if (dfb_system_type() == CORE_FBDEV && dfb_config->vt) { + FBDev *dfb_fbdev = dfb_system_data(); + + fd = dup( dfb_fbdev->vt->fd ); + if (fd < 0) { + D_PERROR( "DirectFB/Keyboard: Could not dup() file descriptor of TTY!\n" ); + return DFB_INIT; + } + } + else { + fd = open( "/dev/tty0", O_RDWR | O_NOCTTY ); + if (fd < 0) { + D_PERROR( "DirectFB/Keyboard: Could not open() /dev/tty0!\n" ); + return DFB_INIT; + } + } + + /* allocate and fill private data */ + data = D_CALLOC( 1, sizeof(KeyboardData) ); + if (!data) { + close( fd ); + return D_OOM(); + } + + data->device = device; + data->vt_fd = fd; + + tcgetattr( data->vt_fd, &data->old_ts ); + + ts = data->old_ts; + ts.c_cc[VTIME] = 0; + ts.c_cc[VMIN] = 1; + ts.c_lflag &= ~(ICANON|ECHO|ISIG); + ts.c_iflag = 0; + tcsetattr( data->vt_fd, TCSAFLUSH, &ts ); + + tcsetpgrp( data->vt_fd, getpgrp() ); + + if (dfb_system_type() == CORE_FBDEV && dfb_config->vt) { + FBDev *dfb_fbdev = dfb_system_data(); + dfb_fbdev->vt->flush = false; + } + + /* fill device info structure */ + snprintf( info->desc.name, + DFB_INPUT_DEVICE_DESC_NAME_LENGTH, "Keyboard" ); + + snprintf( info->desc.vendor, + DFB_INPUT_DEVICE_DESC_VENDOR_LENGTH, "Unknown" ); + + /* claim to be the primary keyboard */ + info->prefered_id = DIDID_KEYBOARD; + + /* classify as a keyboard able to produce key events */ + info->desc.type = DIDTF_KEYBOARD; + info->desc.caps = DICAPS_KEYS; + + /* enable translation of raw hardware keycodes */ + info->desc.min_keycode = 0; + info->desc.max_keycode = 127; + + /* start input thread */ + data->thread = direct_thread_create( DTT_INPUT, keyboardEventThread, data, "Keyboard Input" ); + + /* set private data pointer */ + *driver_data = data; + + return DFB_OK; +} + +/* + * Fetch one entry from the kernel keymap. + */ +static DFBResult +driver_get_keymap_entry( CoreInputDevice *device, + void *driver_data, + DFBInputDeviceKeymapEntry *entry ) +{ + int code = entry->code; + unsigned short value; + DFBInputDeviceKeyIdentifier identifier; + + /* fetch the base level */ + value = keyboard_read_value( driver_data, K_NORMTAB, code ); + + /* get the identifier for basic mapping */ + identifier = keyboard_get_identifier( code, value ); + + /* is CapsLock effective? */ + if (KTYP(value) == KT_LETTER) + entry->locks |= DILS_CAPS; + + /* is NumLock effective? */ + if (identifier >= DIKI_KP_DECIMAL && identifier <= DIKI_KP_9) + entry->locks |= DILS_NUM; + + /* write identifier to entry */ + entry->identifier = identifier; + + /* write base level symbol to entry */ + entry->symbols[DIKSI_BASE] = keyboard_get_symbol( code, value, DIKSI_BASE ); + + + /* fetch the shifted base level */ + value = keyboard_read_value( driver_data, K_SHIFTTAB, entry->code ); + + /* write shifted base level symbol to entry */ + entry->symbols[DIKSI_BASE_SHIFT] = keyboard_get_symbol( code, value, + DIKSI_BASE_SHIFT ); + + + /* fetch the alternative level */ + value = keyboard_read_value( driver_data, K_ALTTAB, entry->code ); + + /* write alternative level symbol to entry */ + entry->symbols[DIKSI_ALT] = keyboard_get_symbol( code, value, DIKSI_ALT ); + + + /* fetch the shifted alternative level */ + value = keyboard_read_value( driver_data, K_ALTSHIFTTAB, entry->code ); + + /* write shifted alternative level symbol to entry */ + entry->symbols[DIKSI_ALT_SHIFT] = keyboard_get_symbol( code, value, + DIKSI_ALT_SHIFT ); + + return DFB_OK; +} + +static void +driver_close_device( void *driver_data ) +{ + KeyboardData *data = (KeyboardData*) driver_data; + + /* stop input thread */ + direct_thread_cancel( data->thread ); + direct_thread_join( data->thread ); + direct_thread_destroy( data->thread ); + + if (tcsetattr( data->vt_fd, TCSAFLUSH, &data->old_ts ) < 0) + D_PERROR("DirectFB/keyboard: tcsetattr for original values failed!\n"); + + close( data->vt_fd ); + + /* free private data */ + D_FREE( data ); +} + -- cgit