X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fkeybindings.c;h=9443531a8c4ca541a1cdefc72e76e3486d51f216;hb=550d22ec0c3f530f5d317746f3f7e75251a1de4b;hp=dae549741d738c07347dccd243d1d7066db7585e;hpb=d951e2631a19500f1bb8c29f9e029a9d9fb29ae7;p=plomrogue

diff --git a/src/keybindings.c b/src/keybindings.c
index dae5497..9443531 100644
--- a/src/keybindings.c
+++ b/src/keybindings.c
@@ -1,128 +1,267 @@
+/* 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 struct */
+#include "rexit.h"     /* for err_exit() */
+#include "misc.h"      /* for try_malloc() */
+
+
+
+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(struct World * world, uint16_t keycode)
+{
+    char * f_name = "get_name_to_keycode()";
+    char * keyname = try_malloc(15, world, f_name);
+    if (32 < keycode && keycode < 127)
+    {
+        sprintf(keyname, "%c", keycode);
+    }
+    else if (keycode == 9)              /* TODO: Find a way more elegant than */
+    {                                   /*       hardcoding all of this?      */
+        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;
+}
+
+
+
+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(struct World * world, char * path,
+                             struct KeyBiData * kbd)
+{
+    char * f_name = "init_keybindings()";
+
+    FILE * file = try_fopen(path, "r", world, f_name);
+    uint16_t lines, linemax;
+    char * err = "textfile_sizes() in init_keybindings() returns error.";
+    exit_err(textfile_sizes(file, &linemax, &lines), world, err);
+
+    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), world, 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), world, 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, world, f_name);
+
+    kbd->edit = 0;
+    kbd->select = 0;
+}
+
+
+
+extern void save_keybindings(struct World * world, 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", world, 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, world, f_name);
+        kb_p = kb_p->next;
+    }
+
+    try_fclose_unlink_rename(file, path_tmp, path, world, 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 World * world, struct KeyBiData * kbd)
+{
+    kbd->edit = 1;
+    exit_err(draw_all_wins(world->wmeta), world,
+             "Trouble with draw_all_wins() in mod_selected_keyb().");
+    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++;
+    }
+}