+/* keybindings.c */
+
#include "keybindings.h"
-#include <stdint.h>
-#include <stdlib.h>
-#include <ncurses.h>
-#include <string.h>
-#include "windows.h"
-#include "misc.h"
-#include "main.h"
-
-void init_keybindings(struct World * world) {
-// Initialize keybindings from file "keybindings".
- FILE * file = fopen("keybindings", "r");
- uint16_t lines = 0;
- int c = 0;
- uint16_t linemax = 0;
- uint16_t c_count = 0;
- while (EOF != c) {
- c_count++;
- c = getc(file);
- if ('\n' == c) {
- if (c_count > linemax)
- linemax = c_count + 1;
- c_count = 0;
- lines++; } }
- struct KeyBinding * keybindings = malloc(lines * sizeof(struct KeyBinding));
- fseek(file, 0, SEEK_SET);
- char * command = malloc(linemax);
- uint16_t commcount = 0;
- char * cmdptr;
- while (fgets(command, linemax, file)) {
- keybindings[commcount].key = atoi(command);
- cmdptr = strchr(command, ' ') + 1;
- keybindings[commcount].name = malloc(strlen(cmdptr));
- memcpy(keybindings[commcount].name, cmdptr, strlen(cmdptr) - 1);
- keybindings[commcount].name[strlen(cmdptr) - 1] = '\0';
- commcount++; }
- free(command);
- fclose(file);
- struct KeysWinData * keyswindata = malloc(sizeof(struct KeysWinData));
- keyswindata->max = lines - 1;
- keyswindata->select = 0;
- keyswindata->edit = 0;
- world->keybindings = keybindings;
- world->keyswindata = keyswindata; }
-
-void save_keybindings(struct World * world) {
-// Write keybindings to keybindings file.
- struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
- struct KeyBinding * keybindings = world->keybindings;
- FILE * file = fopen("keybindings", "w");
- uint16_t linemax = 0;
- uint16_t i;
- for (i = 0; i <= keyswindata->max; i++)
- if (strlen(keybindings[i].name) > linemax)
- linemax = strlen(keybindings[i].name);
- linemax = linemax + 6; // + 6 = + 3 digits + whitespace + newline + null byte
- char * line = malloc(linemax);
- for (i = 0; i <= keyswindata->max; i++) {
- snprintf(line, linemax, "%d %s\n", keybindings[i].key, keybindings[i].name);
- fwrite(line, sizeof(char), strlen(line), file); }
- free(line);
- fclose(file); }
-
-uint16_t get_action_key (struct KeyBinding * keybindings, char * name) {
-// Return key matching name in keybindings.
- uint16_t i = 0;
- while (strcmp(keybindings[i].name, name) )
- i++;
- return keybindings[i].key; }
-
-char * get_keyname(uint16_t keycode) {
-// Translate some keycodes to readable names of max 9 chars.
- char * keyname;
- keyname = malloc(15);
- if (32 < keycode && keycode < 127)
- sprintf(keyname, "%c", keycode);
- else if (keycode == 9)
- sprintf(keyname, "TAB");
- else if (keycode == 10)
- sprintf(keyname, "RETURN");
- else if (keycode == 27)
- sprintf(keyname, "ESCAPE");
- else if (keycode == 32)
- sprintf(keyname, "SPACE");
- else if (keycode == KEY_UP)
- sprintf(keyname, "UP");
- else if (keycode == KEY_DOWN)
- sprintf(keyname, "DOWN");
- else if (keycode == KEY_LEFT)
- sprintf(keyname, "LEFT");
- else if (keycode == KEY_RIGHT)
- sprintf(keyname, "RIGHT");
- else if (keycode == KEY_HOME)
- sprintf(keyname, "HOME");
- else if (keycode == KEY_BACKSPACE)
- sprintf(keyname, "BACKSPACE");
- else if (keycode >= KEY_F0 && keycode <= KEY_F(63)) {
- uint16_t f = keycode - KEY_F0;
- sprintf(keyname, "F%d", f); }
- else if (keycode == KEY_DC)
- sprintf(keyname, "DELETE");
- else if (keycode == KEY_IC)
- sprintf(keyname, "INSERT");
- else if (keycode == KEY_NPAGE)
- sprintf(keyname, "NEXT PAGE");
- else if (keycode == KEY_PPAGE)
- sprintf(keyname, "PREV PAGE");
- else if (keycode == KEY_END)
- sprintf(keyname, "END");
- else
- sprintf(keyname, "(unknown)");
- return keyname; }
-
-void keyswin_mod_key (struct World * world, struct WinMeta * win_meta) {
-// In keybindings window, mark selection modifiable, modify key. Ensure max of three digits in key code field.
- world->keyswindata->edit = 1;
- draw_all_wins (win_meta);
- int key = getch();
- if (key < 1000)
- world->keybindings[world->keyswindata->select].key = key;
- world->keyswindata->edit = 0; }
-
-void keyswin_move_selection (struct World * world, char dir) {
-// In keybindings window, move selection upwards or downwards (if within limits of list length).
- if ('u' == dir && world->keyswindata->select > 0)
- world->keyswindata->select--;
- else if ('d' == dir && world->keyswindata->select < world->keyswindata->max)
- world->keyswindata->select++; }
+#include <stdio.h> /* for FILE typedef*/
+#include <stdlib.h> /* for free(), atoi() */
+#include <stdint.h> /* for uint16_t */
+#include <ncurses.h> /* for keycode defines in get_name_to_keycode() */
+#include <string.h> /* for strchr(), strlen(), strcmp(), memcpy()*/
+#include "windows.h" /* for draw_all_wins() and WinMeta struct */
+#include "readwrite.h" /* for texfile_sizes(), try_fopen(), try_fclose()
+ * try_fclose_unlink_rename(), try_fwrite()
+ */
+#include "main.h" /* for world global */
+#include "rexit.h" /* for err_exit() */
+#include "misc.h" /* for try_malloc() */
+
+
+
+/* If "keycode_given" equals "keycode_match", copy "keyname_match" to "keyname"
+ * and return 1; otherwise return 0.
+ */
+static uint8_t try_keycode(uint16_t keycode_given, char * keyname,
+ uint16_t keycode_match, char * keyname_match);
+
+
+
+static uint8_t try_keycode(uint16_t keycode_given, char * keyname,
+ uint16_t keycode_match, char * keyname_match)
+{
+ if (keycode_given == keycode_match)
+ {
+ sprintf(keyname, keyname_match);
+ return 1;
+ }
+ return 0;
+}
+
+
+
+extern char * get_func_to_keycode(struct KeyBinding * kb_p, uint16_t key)
+{
+ while (0 != kb_p)
+ {
+ if (key == kb_p->key)
+ {
+ return kb_p->name;
+ }
+ kb_p = kb_p->next;
+ }
+ return NULL;
+}
+
+
+
+extern uint16_t get_keycode_to_action(struct KeyBinding * kb_p, char * name)
+{
+ while (0 != kb_p)
+ {
+ if (0 == strcmp(kb_p->name, name))
+ {
+ return kb_p->key;
+ }
+ kb_p = kb_p->next;
+ }
+ return 0;
+}
+
+
+
+extern char * get_name_to_keycode(uint16_t keycode)
+{
+ char * f_name = "get_name_to_keycode()";
+ char * keyname = try_malloc(15, f_name);
+ if (32 < keycode && keycode < 127)
+ {
+ sprintf(keyname, "%c", keycode);
+ }
+ else if (keycode >= KEY_F0 && keycode <= KEY_F(63))
+ {
+ uint16_t f = keycode - KEY_F0;
+ sprintf(keyname, "F%d", f);
+ }
+ else if ( try_keycode(keycode, keyname, 9, "TAB")
+ || try_keycode(keycode, keyname, 10, "RETURN")
+ || try_keycode(keycode, keyname, 27, "ESCAPE")
+ || try_keycode(keycode, keyname, 32, "SPACE")
+ || try_keycode(keycode, keyname, KEY_UP, "UP")
+ || try_keycode(keycode, keyname, KEY_DOWN, "DOWN")
+ || try_keycode(keycode, keyname, KEY_LEFT, "LEFT")
+ || try_keycode(keycode, keyname, KEY_RIGHT, "RIGHT")
+ || try_keycode(keycode, keyname, KEY_HOME, "HOME")
+ || try_keycode(keycode, keyname, KEY_BACKSPACE, "BACKSPACE")
+ || try_keycode(keycode, keyname, KEY_DC, "DELETE")
+ || try_keycode(keycode, keyname, KEY_IC, "INSERT")
+ || try_keycode(keycode, keyname, KEY_NPAGE, "NEXT PAGE")
+ || try_keycode(keycode, keyname, KEY_PPAGE, "PREV PAGE")
+ || try_keycode(keycode, keyname, KEY_END, "END"))
+ {
+ ;
+ }
+ else
+ {
+ sprintf(keyname, "(unknown)");
+ }
+ return keyname;
+}
+
+
+
+extern uint16_t get_n_of_keybs(struct KeyBinding * kb_p)
+{
+ uint16_t i = 0;
+ while (1)
+ {
+ if (0 == kb_p)
+ {
+ break;
+ }
+ i++;
+ kb_p = kb_p->next;
+ }
+ return i;
+}
+
+
+
+extern struct KeyBinding * get_keyb_of_n(struct KeyBinding * kb_p, uint16_t n)
+{
+ uint16_t i = 0;
+ while (1)
+ {
+ if (n == i)
+ {
+ break;
+ }
+ i++;
+ kb_p = kb_p->next;
+ }
+ return kb_p;
+}
+
+
+
+extern void init_keybindings(char * path, struct KeyBiData * kbd)
+{
+ char * f_name = "init_keybindings()";
+
+ FILE * file = try_fopen(path, "r", f_name);
+ uint16_t lines;
+ uint16_t linemax = textfile_sizes(file, &lines);
+
+ char command[linemax + 1];
+ char * cmdptr;
+ struct KeyBinding ** loc_last_ptr = &kbd->kbs;
+ * loc_last_ptr = 0;
+ while (fgets(command, linemax + 1, file))
+ {
+ if ('\n' == command[0] || 0 == command[0])
+ {
+ break;
+ }
+ * loc_last_ptr = try_malloc(sizeof(struct KeyBinding), f_name);
+ struct KeyBinding * kb_p = * loc_last_ptr;
+ kb_p->next = 0;
+ kb_p->key = atoi(command);
+ cmdptr = strchr(command, ' ') + 1;
+ kb_p->name = try_malloc(strlen(cmdptr), f_name);
+ memcpy(kb_p->name, cmdptr, strlen(cmdptr) - 1);
+ kb_p->name[strlen(cmdptr) - 1] = '\0';
+ loc_last_ptr = & kb_p->next;
+ }
+
+ try_fclose(file, f_name);
+
+ kbd->edit = 0;
+ kbd->select = 0;
+}
+
+
+
+extern void save_keybindings(char * path, struct KeyBiData * kbd)
+{
+ char * f_name = "save_keybindings()";
+
+ char path_tmp[strlen(path) + 4 + 1];
+ sprintf(path_tmp, "%s_tmp", path);
+ FILE * file = try_fopen(path_tmp, "w", f_name);
+
+ uint16_t linemax = 0;
+ struct KeyBinding * kb_p = kbd->kbs;
+ while (0 != kb_p)
+ {
+ if (strlen(kb_p->name) > linemax)
+ {
+ linemax = strlen(kb_p->name);
+ }
+ kb_p = kb_p->next;
+ }
+ linemax = linemax + 6; /* + 6 = + 3 digits + whitespace + \n + \0 */
+
+ char line[linemax];
+ kb_p = kbd->kbs;
+ while (0 != kb_p)
+ {
+ snprintf(line, linemax, "%d %s\n", kb_p->key, kb_p->name);
+ try_fwrite(line, sizeof(char), strlen(line), file, f_name);
+ kb_p = kb_p->next;
+ }
+
+ try_fclose_unlink_rename(file, path_tmp, path, f_name);
+}
+
+
+
+extern void free_keybindings(struct KeyBinding * kb_start)
+{
+ if (0 == kb_start)
+ {
+ return;
+ }
+ struct KeyBinding * kb_p = kb_start->next;
+ if (0 != kb_p)
+ {
+ free_keybindings(kb_p);
+ }
+ free(kb_start->name);
+ free(kb_start);
+}
+
+
+
+extern void mod_selected_keyb(struct KeyBiData * kbd)
+{
+ kbd->edit = 1;
+ draw_all_wins();
+ int key = getch();
+ if (key < 1000)
+ {
+ struct KeyBinding * kb_p = get_keyb_of_n(kbd->kbs, kbd->select);
+ kb_p->key = key;
+ }
+ kbd->edit = 0;
+}
+
+
+
+extern void move_keyb_mod_selection(struct KeyBiData * kbd, char dir)
+{
+ if ('u' == dir && kbd->select > 0)
+ {
+ kbd->select--;
+ }
+ else if ('d' == dir && kbd->select < get_n_of_keybs(kbd->kbs) - 1)
+ {
+ kbd->select++;
+ }
+}
projects / plomrogue / blobdiff