1 /* src/client/keybindings.c */
3 #include "keybindings.h"
4 #include <ncurses.h> /* keycode defines, cbreak(), halfdelay(), getch() */
5 #include <stddef.h> /* NULL */
6 #include <stdint.h> /* uint8_t, uint16_t, uint32_t */
7 #include <stdio.h> /* FILE, sprintf() */
8 #include <stdlib.h> /* free(), atoi() */
9 #include <string.h> /* strlen(), strchr(), strcmp() */
10 #include "../common/err_try_fgets.h" /* err_try_fgets(), err_line() */
11 #include "../common/readwrite.h" /* try_fwrite()*/
12 #include "../common/try_malloc.h" /* try_malloc() */
13 #include "command_db.h" /* get_command() */
14 #include "windows.h" /* draw_all_wins() */
15 #include "world.h" /* global world */
19 /* Return "n"-th keybinding in keybindings chain from "kb_p" on. */
20 static struct KeyBinding * get_keyb_of_n(struct KeyBinding * kb_p, uint16_t n);
22 /* Return number of keybindings in keybindings chain from "kb_p" on. */
23 static uint16_t get_n_of_keybs(struct KeyBinding * kb_p);
25 /* Return pointer to global keybindings or to keybindings for wingeometry config
26 * (c = "g") or winkeys config (c = "k") or active window's keybindings ("w").
28 static struct KeyBindingDB * char_selected_kb_db(char c);
30 /* If "keycode_given" equals "keycode_match", copy "keyname_match" to "keyname"
31 * and return 1; otherwise return 0.
33 static uint8_t try_keycode(uint16_t keycode_given, char * keyname,
34 uint16_t keycode_match, char * keyname_match);
38 static struct KeyBinding * get_keyb_of_n(struct KeyBinding * kb_p, uint16_t n)
55 static uint16_t get_n_of_keybs(struct KeyBinding * kb_p)
72 static struct KeyBindingDB * char_selected_kb_db(char c)
74 struct KeyBindingDB * kbd;
75 kbd = &world.kb_global;
78 kbd = &world.kb_wingeom;
82 kbd = &world.kb_winkeys;
86 struct Win * w = get_win_by_id(world.winDB.active);
94 static uint8_t try_keycode(uint16_t keycode_given, char * keyname,
95 uint16_t keycode_match, char * keyname_match)
97 if (keycode_given == keycode_match)
99 sprintf(keyname, keyname_match);
107 extern struct Command * get_command_to_keycode(struct KeyBinding * kb_p,
112 if (key == kb_p->key)
114 return kb_p->command;
123 extern char * get_keyname_to_keycode(uint16_t keycode)
125 char * f_name = "get_name_to_keycode()";
126 char * keyname = try_malloc(15, f_name); /* FIXME: Why 15? */
127 if (32 < keycode && keycode < 127)
129 sprintf(keyname, "%c", keycode);
131 else if (keycode >= KEY_F0 && keycode <= KEY_F(63))
133 uint16_t f = keycode - KEY_F0;
134 sprintf(keyname, "F%d", f);
136 else if ( try_keycode(keycode, keyname, 9, "TAB")
137 || try_keycode(keycode, keyname, 10, "RETURN")
138 || try_keycode(keycode, keyname, 27, "ESCAPE")
139 || try_keycode(keycode, keyname, 32, "SPACE")
140 || try_keycode(keycode, keyname, KEY_UP, "UP")
141 || try_keycode(keycode, keyname, KEY_DOWN, "DOWN")
142 || try_keycode(keycode, keyname, KEY_LEFT, "LEFT")
143 || try_keycode(keycode, keyname, KEY_RIGHT, "RIGHT")
144 || try_keycode(keycode, keyname, KEY_HOME, "HOME")
145 || try_keycode(keycode, keyname, KEY_BACKSPACE, "BACKSPACE")
146 || try_keycode(keycode, keyname, KEY_DC, "DELETE")
147 || try_keycode(keycode, keyname, KEY_IC, "INSERT")
148 || try_keycode(keycode, keyname, KEY_NPAGE, "NEXT PAGE")
149 || try_keycode(keycode, keyname, KEY_PPAGE, "PREV PAGE")
150 || try_keycode(keycode, keyname, KEY_END, "END"))
156 sprintf(keyname, "(unknown)");
163 extern void write_keybindings_to_file(FILE * file, struct KeyBindingDB * kbd)
165 char * f_name = "write_keybindings_to_file()";
166 uint16_t linemax = 0;
167 struct KeyBinding * kb_p = kbd->kbs;
170 if (strlen(kb_p->command->dsc_short) > linemax)
172 linemax = strlen(kb_p->command->dsc_short);
176 linemax = linemax + 6; /* + 6 = + 3 digits + ' ' + '\n' + '\0' */
181 sprintf(line, "%d %s\n", kb_p->key, kb_p->command->dsc_short);
182 try_fwrite(line, sizeof(char), strlen(line), file, f_name);
185 try_fwrite(world.delim, strlen(world.delim), 1, file, f_name);
190 extern void read_keybindings_from_file(char * line, uint32_t linemax,
191 FILE * file, struct KeyBindingDB * kbd)
193 char * f_name = "read_keybindings_from_file()";
194 char * context = "Failed reading keybindings from interface config file. ";
195 char * err_space = "Line illegally ends in whitespace.";
196 char * err_nospace = "No whitespace found in line.";
197 char * err_int = "Line starts not with a decimal number in digits.";
198 char * err_toolarge = "Keycode number too large, must be below 1000.";
199 char * err_cmd = "No such command in command DB.";
200 struct KeyBinding ** loc_last_ptr = &kbd->kbs;
204 err_try_fgets(line, linemax, file, context, "0nf");
205 if (!strcmp(world.delim, line))
209 err_line(' ' == line[strlen(line) - 2], line, context, err_space);
211 err_line(!(ptr_space = strchr(line, ' ')), line, context, err_nospace);
213 err_line(0 == (ptr_space - line), line, context, err_int);
214 for (; i < (ptr_space - line); i++)
216 err_line(line[i] < '0' || '9' < line[i], line, context, err_int);
218 err_line(i > 3, line, context, err_toolarge);
219 * loc_last_ptr = try_malloc(sizeof(struct KeyBinding), f_name);
220 struct KeyBinding * kb_p = * loc_last_ptr;
221 line[strlen(line) - 1] = '\0';
222 kb_p->command = get_command(ptr_space + 1);
223 err_line(!(kb_p->command), line, context, err_cmd);
225 kb_p->key = atoi(line);
226 loc_last_ptr = & kb_p->next;
232 extern void free_keybindings(struct KeyBinding * kb_start)
238 struct KeyBinding * kb_p = kb_start->next;
241 free_keybindings(kb_p);
248 extern void mod_selected_keyb(char kb_c)
250 struct KeyBindingDB * kbd = char_selected_kb_db(kb_c);
255 halfdelay(world.halfdelay);
258 struct KeyBinding * kb_p = get_keyb_of_n(kbd->kbs, kbd->select);
266 extern void move_keyb_selection(char kb_c, char dir)
268 struct KeyBindingDB * kbd = char_selected_kb_db(kb_c);
269 if ('u' == dir && kbd->select > 0)
273 else if ('d' == dir && kbd->select < get_n_of_keybs(kbd->kbs) - 1)