element groups: initial support, improves login dialog init

src/ui/modals/login.c

@@ -0,0 +1,28 @@
+#include "../widget/dialogue.h"
+#include "../widget/group.h"
+#include <string.h>
+
+typedef struct {
+  button_t *element;
+  enum w_type type;
+} group_bt_t;
+
+/* TODO: improve init process (make it more readable) */
+
+dialogue_t *init_login_modal() {
+  group_el_t children[] = {{.type = w_button},
+                           {.type = w_button},
+                           {.type = w_button},
+                           {.type = w_end}};
+
+  dialogue_t *d = init_dialogue("Login",
+                                "Select your login "
+                                "option",
+                                50, 20);
+  d->ch_group = init_group(children);
+  group_bt_t *ch_btns = (group_bt_t *)d->ch_group->elements;
+  strcpy(ch_btns[0].element->w.title, "Anonymous");
+  strcpy(ch_btns[1].element->w.title, "User");
+  strcpy(ch_btns[2].element->w.title, "Register");
+  return d;
+}