+ UI: checkboxes

F Login: Fixes scenario when credentials are incorrect
R UI: group -> refactors key processing

src/widget/checkbox.c

@@ -0,0 +1,68 @@
+#include <ncursesw/ncurses.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "app.h"
+#include "checkbox.h"
+#include <widget_core.h>
+
+bool checkbox_default_key_action(callback_args_t *args) {
+  int32_t key = *((int32_t *)args->data);
+  group_el_t *g_el = args->active_el;
+  checkbox_t *cbx = g_el->element;
+  switch (key) {
+  case '\40':
+    cbx->value = !cbx->value;
+    break;
+  default:
+    break;
+  }
+  return true;
+}
+
+checkbox_t *init_checkbox(WINDOW **win, widget_t *w_parent, char *label) {
+  checkbox_t *cbx = malloc(sizeof(checkbox_t));
+  init_widget(&(cbx->w), w_parent, win, label);
+  cbx->is_disabled = false;
+  cbx->value = false;
+  cbx->w.sz.x = strlen(cbx->w.title) + 4; // + "[ ] "
+  cbx->w.sz.y = 1;
+  cbx->w.cur.y = 0;
+  cbx->w.cur.x = 1;
+  return cbx;
+}
+
+int32_t draw_checkbox(checkbox_t *cbx, uint32_t active_id) {
+  char title[DIALOGUE_TITLE + 6];
+  WINDOW *win = *(cbx->w.parent_win);
+  uint32_t margin_y = cbx->w.ps.y + cbx->w.m.y;
+  uint32_t margin_x = cbx->w.ps.x + cbx->w.m.x;
+
+  widget_t *w_par = cbx->w.w_parent;
+
+  while (w_par->parent_win == cbx->w.parent_win) {
+    margin_y += w_par->ps.y;
+    margin_x += w_par->ps.x;
+    w_par = w_par->w_parent;
+  }
+
+  char val = cbx->value ? 'x' : ' ';
+
+  if (cbx->w.id == active_id) {
+    sprintf(title, "[%c] %s", val, cbx->w.title);
+    wattrset(win, COLOR_PAIR(modal_color_pair) | A_BOLD | A_REVERSE);
+  } else {
+    sprintf(title, "[%c] %s", val, cbx->w.title);
+    wattrset(win, COLOR_PAIR(0) | A_REVERSE);
+  }
+
+  mvwprintw(win, margin_y, margin_x, "%s", title);
+  cbx->w.cur.y = margin_y;
+  cbx->w.cur.x = margin_x + 1;
+
+  wattroff(win, A_BOLD | A_REVERSE);
+  return strlen(title);
+}
+
+void destroy_checkbox(checkbox_t *btn) { free(btn); }