#include <string.h>
#include <stdio.h>
#include <stdlib.h>
+#include <math.h>
#include "windows.h"
struct Map {
int player_y;
char * cells; };
+struct KeyBinding {
+ char * name;
+ int key; };
+
+struct KeysWinData {
+ int max;
+ char edit;
+ int select; };
+
+struct World {
+ struct KeyBinding * keybindings;
+ struct KeysWinData * keyswindata; };
+
void draw_with_linebreaks (struct Win * win, char * text, int start_y) {
// Write text into window content space. Start on row start_y. Fill unused rows with whitespace.
int x, y;
char toggle;
- int height_av = win->height - 1;
- int width_av = win->width - 1;
char fin = 0;
int z = -1;
- for (y = start_y; y < height_av; y++) {
+ for (y = start_y; y < win->height; y++) {
if (0 == fin)
toggle = 0;
- for (x = 0; x < width_av; x++) {
+ for (x = 0; x < win->width; x++) {
if (0 == toggle) {
z++;
if ('\n' == text[z]) {
- mvwaddch(win->curses_win, y+1, x+win->border_left, ' ');
toggle = 1;
continue; }
else
- mvwaddch(win->curses_win, y+1, x+win->border_left, text[z]);
+ mvwaddch(win->curses_win, y, x, text[z]);
if ('\n' == text[z+1]) {
z++;
toggle = 1; }
else if (0 == text[z+1]) {
toggle = 1;
- fin = 1; } }
- else
- mvwaddch(win->curses_win, y+1, x+win->border_left, ' '); } } }
+ fin = 1; } } } } }
void draw_text_from_bottom (struct Win * win) {
// Draw text in win->data from end/bottom to the top.
char * text = (char *) win->data;
- int width_av = win->width - 1;
- int height_av = win->height - 1;
char toggle = 0;
int x, y, offset;
int z = -1;
- for (y = 0; 0 == toggle; y++) // Determine number of lines text would have in a window of available
- for (x = 0; x < width_av; x++) { // width, but infinite height.
+ for (y = 0; 0 == toggle; y++) // Determine number of lines text would have in a window of
+ for (x = 0; x < win->width; x++) { // available width, but infinite height.
z++;
if ('\n' == text[z]) // Treat \n and \0 as control characters for incrementing y and
break; // stopping the loop. Make sure they don't count as cell space
break; } }
z = -1;
int start_y = 0;
- if (y < height_av) { // Depending on what is bigger, determine start point in window or in text.
- start_y = height_av - y;
- for (y = 0; y < start_y; y++)
- for (x = 0; x < width_av; x++)
- mvwaddch(win->curses_win, y+1, x+win->border_left, ' '); }
- else if (y > height_av) {
- offset = y - height_av;
+ if (y < win->height) // Depending on what is bigger, determine start point in window or in text.
+ start_y = win->height - y;
+ else if (y > win->height) {
+ offset = y - win->height;
for (y = 0; y < offset; y++)
- for (x = 0; x < width_av; x++) {
+ for (x = 0; x < win->width; x++) {
z++;
if ('\n' == text[z])
break;
void draw_map (struct Win * win) {
// Draw map determined by win->data Map struct into window. Respect offset.
- int height_av = win->height - 1;
- int width_av = win->width - 1;
struct Map map = * (struct Map *) win->data;
char * cells = map.cells;
int width_map_av = map.width - map.offset_x;
int height_map_av = map.height - map.offset_y;
int x, y, z;
- for (y = 0; y < height_av; y++) {
+ for (y = 0; y < win->height; y++) {
z = map.offset_x + (map.offset_y + y) * (map.width);
- for (x = 0; x < width_av; x++) {
+ for (x = 0; x < win->width; x++) {
if (y < height_map_av && x < width_map_av) {
if (z == (map.width * map.player_y) + map.player_x)
- mvwaddch(win->curses_win, y+1, x+win->border_left, '@');
+ mvwaddch(win->curses_win, y, x, '@');
else
- mvwaddch(win->curses_win, y+1, x+win->border_left, cells[z]);
- z++; }
- else
- mvwaddch(win->curses_win, y+1, x+win->border_left, ' '); } } }
+ mvwaddch(win->curses_win, y, x, cells[z]);
+ z++; } } } }
void draw_info (struct Win * win) {
// Draw info window by appending win->data integer value to "Turn: " display.
free(win->data);
win->data = new_text; }
+int get_action_key (struct KeyBinding * keybindings, char * name) {
+// Return key matching name in keybindings.
+ int i = 0;
+ while (strcmp(keybindings[i].name, name) )
+ i++;
+ return keybindings[i].key; }
+
+char * get_keyname(int 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)) {
+ int 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 draw_keys_window (struct Win * win) {
+// Draw keybinding window.
+ struct World * world = (struct World *) win->data;
+ struct KeysWinData * keyswindata = (struct KeysWinData *) world->keyswindata;
+ struct KeyBinding * keybindings = world->keybindings;
+ int offset = 0;
+ if (keyswindata->max >= win->height) {
+ if (keyswindata->select > win->height / 2)
+ if (keyswindata->select < (keyswindata->max - (win->height / 2)))
+ offset = keyswindata->select - (win->height / 2);
+ else
+ offset = keyswindata->max - win->height + 1; }
+ int keydescwidth = 9 + 1; // max length assured by get_keyname() + \0
+ char * keydesc = malloc(keydescwidth);
+ attr_t attri;
+ int y, x;
+ char * keyname;
+ for (y = 0; 0 != keybindings[offset + y].name && y < win->height; y++) {
+ attri = 0;
+ if (y == keyswindata->select - offset) {
+ attri = A_REVERSE;
+ if (1 == keyswindata->edit)
+ attri = attri | A_BLINK; }
+ keyname = get_keyname(keybindings[y + offset].key);
+ snprintf(keydesc, keydescwidth, "%-9s", keyname);
+ free(keyname);
+ for (x = 0; x < win->width; x++)
+ if (x < strlen(keydesc))
+ mvwaddch(win->curses_win, y, x, keydesc[x] | attri);
+ else if (strlen(keydesc) < x && x < strlen(keybindings[y + offset].name) + strlen(keydesc) + 1)
+ mvwaddch(win->curses_win, y, x, keybindings[y + offset].name[x - strlen(keydesc) - 1] | attri);
+ else
+ mvwaddch(win->curses_win, y, x, ' ' | attri); }
+ free(keydesc); }
+
+void init_keybindings(struct World * world) {
+// Initialize keybindings from file "keybindings".
+ FILE * file = fopen("keybindings", "r");
+ int lines = 0;
+ int c = 0;
+ int linemax = 0;
+ int c_count = 0;
+ while (EOF != c) {
+ c_count++;
+ c = getc(file);
+ if ('\n' == c) {
+ if (c_count > linemax)
+ linemax = c_count;
+ c_count = 0;
+ lines++; } }
+ struct KeyBinding * keybindings = malloc(lines * sizeof(struct KeyBinding));
+ fseek(file, 0, SEEK_SET);
+ char * command = malloc(linemax);
+ char commcount = 0;
+ char * digits = malloc(3);
+ char digicount = 0;
+ int key, digimax;
+ int keycount = 0;
+ c = getc(file);
+ while (EOF != c) {
+ if ('\n' == c) {
+ keybindings[keycount].name = calloc(commcount, sizeof(char));
+ memcpy(keybindings[keycount].name, command, commcount);
+ keybindings[keycount].key = key;
+ keycount++;
+ digicount = 0;
+ commcount = 0; }
+ else if (-1 != digicount)
+ if (' ' == c) {
+ key = 0;
+ digimax = digicount - 1;
+ while (digicount > 0) {
+ digicount--;
+ key = key + ((digits[digicount] - 48) * pow(10, digimax - digicount)); }
+ digicount = -1; }
+ else {
+ digits[digicount] = c;
+ digicount++; }
+ else {
+ command[commcount] = c;
+ commcount++; }
+ c = getc(file); }
+ free(command);
+ free(digits);
+ 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");
+ int linemax = 0;
+ int 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); }
+
int main () {
+ struct World world;
+ init_keybindings(&world);
+
WINDOW * screen = initscr();
noecho();
curs_set(0);
+ keypad(screen, TRUE);
+ raw();
struct WinMeta win_meta = init_win_meta(screen);
+ struct Win win_keys = init_window(&win_meta, "Keys");
+ win_keys.draw = draw_keys_window;
+ win_keys.data = &world;
+
struct Win win_map = init_window(&win_meta, "Map");
win_map.draw = draw_map;
struct Map map = init_map();
win_log.data = calloc(1, sizeof(char));
update_log (&win_log, "Start!");
- char key;
+ int key;
while (1) {
+ draw_all_windows (&win_meta);
key = getch();
- if (key == 'Q') // quit
+ if (key == get_action_key(world.keybindings, "quit"))
break;
- else if (key == '1') // toggle map window
+ else if (key == get_action_key(world.keybindings, "scroll pad right"))
+ win_meta.pad_offset++;
+ else if (key == get_action_key(world.keybindings, "scroll pad left") && win_meta.pad_offset > 0)
+ win_meta.pad_offset--;
+ else if (key == get_action_key(world.keybindings, "toggle keys window"))
+ toggle_window(&win_meta, &win_keys);
+ else if (key == get_action_key(world.keybindings, "toggle map window"))
toggle_window(&win_meta, &win_map);
- else if (key == '2') // toggle info window
+ else if (key == get_action_key(world.keybindings, "toggle info window"))
toggle_window(&win_meta, &win_info);
- else if (key == '3') // toggle log window
+ else if (key == get_action_key(world.keybindings, "toggle log window"))
toggle_window(&win_meta, &win_log);
- else if (key == 'x') { // scroll map down
- map.offset_y++;
- draw_all_windows (&win_meta); }
- else if (key == 'w' && map.offset_y > 0) { // scroll map up
+ else if (key == get_action_key(world.keybindings, "cycle forwards") && win_meta.active != 0)
+ cycle_active_window(&win_meta, 'n');
+ else if (key == get_action_key(world.keybindings, "cycle backwards") && win_meta.active != 0)
+ cycle_active_window(&win_meta, 'p');
+ else if (key == get_action_key(world.keybindings, "shift forwards") && win_meta.active != 0)
+ shift_window(&win_meta, 'f');
+ else if (key == get_action_key(world.keybindings, "shift backwards") && win_meta.active != 0)
+ shift_window(&win_meta, 'b');
+ else if (key == get_action_key(world.keybindings, "grow horizontally") && win_meta.active != 0)
+ resize_window(&win_meta, '*');
+ else if (key == get_action_key(world.keybindings, "shrink horizontally") && win_meta.active != 0)
+ resize_window(&win_meta, '_');
+ else if (key == get_action_key(world.keybindings, "grow vertically") && win_meta.active != 0)
+ resize_window(&win_meta, '+');
+ else if (key == get_action_key(world.keybindings, "shrink vertically") && win_meta.active != 0)
+ resize_window(&win_meta, '-');
+ else if (key == get_action_key(world.keybindings, "save keys"))
+ save_keybindings(&world);
+ else if (key == get_action_key(world.keybindings, "keys nav up") && world.keyswindata->select > 0)
+ world.keyswindata->select--;
+ else if (key == get_action_key(world.keybindings, "keys nav down") && world.keyswindata->select < world.keyswindata->max)
+ world.keyswindata->select++;
+ else if (key == get_action_key(world.keybindings, "keys mod")) {
+ world.keyswindata->edit = 1;
+ draw_all_windows (&win_meta);
+ key = getch();
+ if (key < 1000) // ensure maximum of three digits in key code field
+ world.keybindings[world.keyswindata->select].key = key;
+ world.keyswindata->edit = 0; }
+ else if (key == get_action_key(world.keybindings, "map up") && map.offset_y > 0)
map.offset_y--;
- draw_all_windows (&win_meta); }
- else if (key == 'd') { // scroll map right
+ else if (key == get_action_key(world.keybindings, "map down"))
+ map.offset_y++;
+ else if (key == get_action_key(world.keybindings, "map right"))
map.offset_x++;
- draw_all_windows (&win_meta); }
- else if (key == 'a' && map.offset_x > 0) { // scroll map left
+ else if (key == get_action_key(world.keybindings, "map left") && map.offset_x > 0)
map.offset_x--;
- draw_all_windows (&win_meta); }
- else if (key == 'b' && map.player_y < map.height - 1) { // move player south
+ else if (key == get_action_key(world.keybindings, "player down") && map.player_y < map.height - 1) {
update_info (&win_info);
update_log (&win_log, "\nYou move south.");
- map.player_y++;
- draw_all_windows (&win_meta); }
- else if (key == 't' && map.player_y > 0) { // move player north
+ map.player_y++; }
+ else if (key == get_action_key(world.keybindings, "player up") && map.player_y > 0) {
update_info (&win_info);
update_log (&win_log, "\nYou move north.");
- map.player_y--;
- draw_all_windows (&win_meta); }
- else if (key == 'h' && map.player_x < map.width - 1) { // move player east
+ map.player_y--; }
+ else if (key == get_action_key(world.keybindings, "player right") && map.player_x < map.width - 1) {
update_info (&win_info);
update_log (&win_log, "\nYou move east.");
- map.player_x++;
- draw_all_windows (&win_meta); }
- else if (key == 'f' && map.player_x > 0) { // move player west
+ map.player_x++; }
+ else if (key == get_action_key(world.keybindings, "player left") && map.player_x > 0) {
update_info (&win_info);
update_log (&win_log, "\nYou move west.");
- map.player_x--;
- draw_all_windows (&win_meta); }
- else if (key == '.') { // wait
+ map.player_x--; }
+ else if (key == get_action_key(world.keybindings, "wait") ) {
update_info (&win_info);
- update_log (&win_log, "\nYou wait.");
- draw_all_windows(&win_meta); }
- else if (key == '>' && win_meta.active != 0) // cycle forwards
- cycle_active_window(&win_meta, 'n');
- else if (key == '<' && win_meta.active != 0) // cycle backwards
- cycle_active_window(&win_meta, 'p');
- else if (key == 'y' && win_meta.active != 0) // shift window forwards
- shift_window(&win_meta, 'f');
- else if (key == 'Y' && win_meta.active != 0) // shift window backwards
- shift_window(&win_meta, 'b');
- else if (key == '*' && win_meta.active != 0) // grow window horizontally
- resize_window(&win_meta, '*');
- else if (key == '_' && win_meta.active != 0) // shrink window horizontally
- resize_window(&win_meta, '_');
- else if (key == '+' && win_meta.active != 0) // grow window vertically
- resize_window(&win_meta, '+');
- else if (key == '-' && win_meta.active != 0) // shrink window vertically
- resize_window(&win_meta, '-'); }
+ update_log (&win_log, "\nYou wait."); } }
endwin();
return 0; }
projects / plomrogue / blobdiff