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Diffstat (limited to 'src/command.c')
| -rw-r--r-- | src/command.c | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/src/command.c b/src/command.c new file mode 100644 index 000000000..1e9edcd0d --- /dev/null +++ b/src/command.c @@ -0,0 +1,429 @@ +/* + * (c) 2004 by Kalle Wallin (kaw@linux.se) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <glib.h> +#include <ncurses.h> + +#include "config.h" +#include "command.h" + +#undef DEBUG_KEYS + +#ifdef DEBUG_KEYS +#define DK(x) x +#else +#define DK(x) +#endif + +extern void screen_resize(void); + +#define BS KEY_BACKSPACE +#define DEL KEY_DC +#define UP KEY_UP +#define DWN KEY_DOWN +#define LEFT KEY_LEFT +#define RGHT KEY_RIGHT +#define HOME KEY_HOME +#define END KEY_END +#define PGDN KEY_NPAGE +#define PGUP KEY_PPAGE +#define TAB 0x09 +#define STAB 0x161 +#define ESC 0x1B +#define F1 KEY_F(1) +#define F2 KEY_F(2) +#define F3 KEY_F(3) +#define F4 KEY_F(4) +#define F5 KEY_F(5) +#define F6 KEY_F(6) + + +static command_definition_t cmds[] = +{ + { { 13, 0, 0 }, CMD_PLAY, "play", + "Play/Enter directory" }, + { { 'P', 0, 0 }, CMD_PAUSE,"pause", + "Pause" }, + { { 's', BS, 0 }, CMD_STOP, "stop", + "Stop" }, + { { '>', 0, 0 }, CMD_TRACK_NEXT, "next", + "Next track" }, + { { '<', 0, 0 }, CMD_TRACK_PREVIOUS, "prev", + "Previous track" }, + { { 'f', 0, 0 }, CMD_SEEK_FORWARD, "seek-forward", + "Seek forward" }, + { { 'b', 0, 0 }, CMD_SEEK_BACKWARD, "seek-backward", + "Seek backward" }, + + { { '+', RGHT, 0 }, CMD_VOLUME_UP, "volume-up", + "Increase volume" }, + { { '-', LEFT, 0 }, CMD_VOLUME_DOWN, "volume-down", + "Decrease volume" }, + + { { 'w', 0, 0 }, CMD_TOGGLE_FIND_WRAP, "wrap-mode", + "Toggle find mode" }, + { { 'U', 0, 0 }, CMD_TOGGLE_AUTOCENTER, "autocenter-mode", + "Toggle auto center mode" }, + + { { ' ', 'a', 0 }, CMD_SELECT, "select", + "Select/deselect song in playlist" }, + { { DEL, 'd', 0 }, CMD_DELETE, "delete", + "Delete song from playlist" }, + { { 'Z', 0, 0 }, CMD_SHUFFLE, "shuffle", + "Shuffle playlist" }, + { { 'c', 0, 0 }, CMD_CLEAR, "clear", + "Clear playlist" }, + { { 'r', 0, 0 }, CMD_REPEAT, "repeat", + "Toggle repeat mode" }, + { { 'z', 0, 0 }, CMD_RANDOM, "random", + "Toggle random mode" }, + { { 'x', 0, 0 }, CMD_CROSSFADE, "crossfade", + "Toggle crossfade mode" }, + { { 'S', 0, 0 }, CMD_SAVE_PLAYLIST, "save", + "Save playlist" }, + + { { 0, 0, 0 }, CMD_LIST_MOVE_UP, "move-up", + "Move item up" }, + { { 0, 0, 0 }, CMD_LIST_MOVE_DOWN, "move-down", + "Move item down" }, + + { { UP, ',', 0 }, CMD_LIST_PREVIOUS, "up", + "Move cursor up" }, + { { DWN, '.', 0 }, CMD_LIST_NEXT, "down", + "Move cursor down" }, + { { HOME, 0x01, 0 }, CMD_LIST_FIRST, "home", + "Home " }, + { { END, 0x05, 0 }, CMD_LIST_LAST, "end", + "End " }, + { { PGUP, 'A', 0 }, CMD_LIST_PREVIOUS_PAGE, "pgup", + "Page up" }, + { { PGDN, 'B', 0 }, CMD_LIST_NEXT_PAGE, "pgdn", + "Page down" }, + { { '/', 0, 0 }, CMD_LIST_FIND, "find", + "Forward find" }, + { { 'n', 0, 0 }, CMD_LIST_FIND_NEXT, "find-next", + "Forward find next" }, + { { '?', 0, 0 }, CMD_LIST_RFIND, "rfind", + "Backward find" }, + { { 'p', 0, 0 }, CMD_LIST_RFIND_NEXT, "rfind-next", + "Backward find previous" }, + + + { { TAB, 0, 0 }, CMD_SCREEN_NEXT, "screen-next", + "Next screen" }, + + { { STAB, 0, 0 }, CMD_SCREEN_PREVIOUS, "screen-prev", + "Previous screen" }, + + { { '1', F1, 'h' }, CMD_SCREEN_HELP, "screen-help", + "Help screen" }, + { { '2', F2, 0 }, CMD_SCREEN_PLAY, "screen-playlist", + "Playlist screen" }, + { { '3', F3, 0 }, CMD_SCREEN_FILE, "screen-browse", + "Browse screen" }, + { {'u', 0, 0 }, CMD_SCREEN_UPDATE, "update", + "Update screen" }, +#ifdef ENABLE_KEYDEF_SCREEN + { {'K', 0, 0 }, CMD_SCREEN_KEYDEF, "screen-keyedit", + "Key configuration screen" }, +#endif + + { { 'q', 0, 0 }, CMD_QUIT, "quit", + "Quit " PACKAGE }, + + { { -1, -1, -1 }, CMD_NONE, NULL, NULL } +}; + +command_definition_t * +get_command_definitions(void) +{ + return cmds; +} + +char * +key2str(int key) +{ + static char buf[32]; + int i; + + buf[0] = 0; + switch(key) + { + case 0: + return "Undefined"; + case ' ': + return "Space"; + case 13: + return "Enter"; + case BS: + return "Backspace"; + case DEL: + return "Delete"; + case UP: + return "Up"; + case DWN: + return "Down"; + case LEFT: + return "Left"; + case RGHT: + return "Right"; + case HOME: + return "Home"; + case END: + return "End"; + case PGDN: + return "PageDown"; + case PGUP: + return "PageUp"; + case TAB: + return "Tab"; + case STAB: + return "Shift+Tab"; + case ESC: + return "Esc"; + case KEY_IC: + return "Insert"; + default: + for(i=0; i<=63; i++) + if( key==KEY_F(i) ) + { + snprintf(buf, 32, "F%d", i ); + return buf; + } + if( !(key & ~037) ) + snprintf(buf, 32, "Ctrl-%c", 'A'+(key & 037)-1 ); + else if( (key & ~037) == 224 ) + snprintf(buf, 32, "Alt-%c", 'A'+(key & 037)-1 ); + else if( key>32 && key<256 ) + snprintf(buf, 32, "%c", key); + else + snprintf(buf, 32, "0x%03X", key); + } + return buf; +} + +void +command_dump_keys(void) +{ + int i; + + i=0; + while( cmds[i].description ) + { + if( cmds[i].command != CMD_NONE ) + printf(" %20s : %s\n", get_key_names(cmds[i].command,1),cmds[i].name); + i++; + } +} + +char * +get_key_names(command_t command, int all) +{ + int i; + + i=0; + while( cmds[i].description ) + { + if( cmds[i].command == command ) + { + int j; + static char keystr[80]; + + strncpy(keystr, key2str(cmds[i].keys[0]), 80); + if( !all ) + return keystr; + j=1; + while( j<MAX_COMMAND_KEYS && cmds[i].keys[j]>0 ) + { + strcat(keystr, " "); + strcat(keystr, key2str(cmds[i].keys[j])); + j++; + } + return keystr; + } + i++; + } + return NULL; +} + +char * +get_key_description(command_t command) +{ + int i; + + i=0; + while( cmds[i].description ) + { + if( cmds[i].command == command ) + return cmds[i].description; + i++; + } + return NULL; +} + +char * +get_key_command_name(command_t command) +{ + int i; + + i=0; + while( cmds[i].name ) + { + if( cmds[i].command == command ) + return cmds[i].name; + i++; + } + return NULL; +} + +command_t +get_key_command_from_name(char *name) +{ + int i; + + i=0; + while( cmds[i].name ) + { + if( strcmp(name, cmds[i].name) == 0 ) + return cmds[i].command; + i++; + } + return CMD_NONE; +} + + +command_t +find_key_command(int key, command_definition_t *cmds) +{ + int i; + + i=0; + while( cmds && cmds[i].name ) + { + if( cmds[i].keys[0] == key || + cmds[i].keys[1] == key || + cmds[i].keys[2] == key ) + return cmds[i].command; + i++; + } + return CMD_NONE; +} + +command_t +get_key_command(int key) +{ + return find_key_command(key, cmds); +} + + +command_t +get_keyboard_command(void) +{ + int key; + + key = wgetch(stdscr); + + if( key==KEY_RESIZE ) + screen_resize(); + + if( key==ERR ) + return CMD_NONE; + + DK(fprintf(stderr, "key = 0x%02X\t", key)); + + return get_key_command(key); +} + +int +assign_keys(command_t command, int keys[MAX_COMMAND_KEYS]) +{ + int i; + + i=0; + while( cmds[i].name ) + { + if( cmds[i].command == command ) + { + memcpy(cmds[i].keys, keys, sizeof(int)*MAX_COMMAND_KEYS); + return 0; + } + i++; + } + return -1; +} + +int +check_key_bindings(void) +{ + int i; + int retval = 0; + + i=0; + while( cmds[i].name ) + { + int j; + command_t cmd; + + for(j=0; j<MAX_COMMAND_KEYS; j++) + if( cmds[i].keys[j] && + (cmd=get_key_command(cmds[i].keys[j])) != cmds[i].command ) + { + fprintf(stderr, "Error: Key %s assigned to %s and %s !!!\n", + key2str(cmds[i].keys[j]), + get_key_command_name(cmds[i].command), + get_key_command_name(cmd)); + retval = -1; + } + i++; + } + return retval; +} + +int +write_key_bindings(FILE *f) +{ + int i,j; + + i=0; + while( cmds[i].name && !ferror(f) ) + { + fprintf(f, "# %s\n", cmds[i].description); + fprintf(f, "key %s = ", cmds[i].name); + for(j=0; j<MAX_COMMAND_KEYS; j++) + { + if( j && cmds[i].keys[j] ) + fprintf(f, ", "); + if( !j || cmds[i].keys[j] ) + { + if( cmds[i].keys[j]<256 && (isalpha(cmds[i].keys[j]) || + isdigit(cmds[i].keys[j])) ) + fprintf(f, "\'%c\'", cmds[i].keys[j]); + else + fprintf(f, "%d", cmds[i].keys[j]); + } + } + fprintf(f,"\n\n"); + i++; + } + return ferror(f); +} |