Basic UI with commands

ui/base.c

@@ -1,17 +1,40 @@
 #include "base.h"
 
 #include <curses.h>
+#include <stdbool.h>
 #include <string.h>
 
-void draw_text(char *text, int *x, int *y) {
+#include "commands.h"
+#include "model.h"
+
+void draw_status_line(ui_state *state) {
+  int old_x = state->curs_x;
+  int old_y = state->curs_y;
+
+  state->curs_y = LINES - 1;
+  state->curs_x = 0;
+
+  if (state->mode == NORMAL) {
+    draw_text("NORMAL", state);
+  } else {
+    draw_text(":", state);
+    draw_text(state->input_buffer, state);
+  }
+  clrtoeol();
+
+  state->curs_x = old_x;
+  state->curs_y = old_y;
+}
+
+void draw_text(const char *text, ui_state *state) {
   if (!text || strnlen(text, 1) == 0) return;
 
-  mvaddch(*y, *x, *text);
+  mvaddch(state->curs_y, state->curs_x, *text);
   ++text;
 
   for (; *text != '\0'; ++text) {
     addch(*text);
   }
 
-  getyx(stdscr, *y, *x);
+  getyx(stdscr, state->curs_y, state->curs_x);
 }