diff --git a/src/deps.mk b/src/deps.mk
index 76352f4..c761491 100644
--- a/src/deps.mk
+++ b/src/deps.mk
@@ -5,14 +5,14 @@ file_processor.o: src/file_processor.c src/client.h src/main.h \
  src/types.h src/query.h
 main.o: src/main.c src/ui/app.h src/ui/widget/dialogue.h \
  src/ui/widget/../widget.h src/ui/widget/../../main.h \
- src/ui/widget/../../types.h src/ui/widget/button.h \
- src/ui/widget/../../main.h src/ui/widget/group.h src/ui/modals/login.h \
- src/ui/modals/../widget/dialogue.h src/ui/modals/../app.h \
- src/ui/widget/dialogue.h
+ src/ui/widget/../../types.h src/ui/widget/../app.h \
+ src/ui/widget/button.h src/ui/widget/../../main.h src/ui/widget/group.h \
+ src/ui/modals/login.h src/ui/modals/../widget/dialogue.h \
+ src/ui/modals/../app.h src/ui/widget/dialogue.h
 modal.o: src/modal.c src/ui/app.h src/ui/widget/dialogue.h \
  src/ui/widget/../widget.h src/ui/widget/../../main.h \
- src/ui/widget/../../types.h src/ui/widget/button.h \
- src/ui/widget/../../main.h src/ui/widget/group.h
+ src/ui/widget/../../types.h src/ui/widget/../app.h \
+ src/ui/widget/button.h src/ui/widget/../../main.h src/ui/widget/group.h
 query.o: src/query.c src/file_processor.h src/main.h src/types.h \
  src/connection.h src/client.h src/server.h
 server.o: src/server.c src/client.h src/main.h src/types.h \
diff --git a/src/main.c b/src/main.c
index 7e51e9a..405b3a1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -16,6 +16,7 @@
 uint32_t m_id = 0;
 
 void event_loop(app_t *app);
+void app_refresh(app_t *app);
 
 int main(int argc, char **argv) {
   app_t *app;
@@ -32,7 +33,8 @@ int main(int argc, char **argv) {
   app->modal.active = login;
 
   init_login_modal(app);
-  draw_dialogue(app, &(app->modal.dialogue));
+  draw_dialogue(&(app->modal.dialogue));
+  app_refresh(app);
 
   event_loop(app);
 
@@ -45,6 +47,8 @@ int main(int argc, char **argv) {
 void event_loop(app_t *app) {
   int c;
 
+  callback_args_t d_args = {.app = app, .win = NULL};
+
   for (;;) {
     c = wgetch(app->win);
     switch (c) {
@@ -55,24 +59,28 @@ void event_loop(app_t *app) {
       return;
     default:
       if (app->modal.active != none_active) {
-        app->modal.dialogue.w.callback(app->modal.dialogue.win,
-                                       &(app->modal.dialogue), (void *)&c);
+        d_args.win = app->modal.dialogue.win;
+        app->modal.dialogue.w.callback(&d_args, &(app->modal.dialogue),
+                                       (void *)&c, NULL);
       }
       break;
     }
-
-    draw_borders(app);
-
-    wnoutrefresh(app->win);
-    wnoutrefresh(app->menu_win);
-    wnoutrefresh(app->action_win);
-    if (app->modal.active != none_active) {
-      wnoutrefresh(app->modal.dialogue.win);
-    }
-    doupdate();
+    app_refresh(app);
   };
 }
 
+void app_refresh(app_t *app) {
+  draw_borders(app);
+
+  wnoutrefresh(app->win);
+  wnoutrefresh(app->menu_win);
+  wnoutrefresh(app->action_win);
+  if (app->modal.active != none_active) {
+    wnoutrefresh(app->modal.dialogue.win);
+  }
+  doupdate();
+}
+
 // int main(int argc, char *argv[]) {
 //   params_t params;
 //   init_params(&params);
diff --git a/src/ui/modals/login.c b/src/ui/modals/login.c
index b1e9fb8..d15d31d 100644
--- a/src/ui/modals/login.c
+++ b/src/ui/modals/login.c
@@ -12,6 +12,24 @@ typedef struct {
 
 /* TODO: improve init process (make it more readable) */
 
+void group_callback(callback_args_t *args, void *widget, void *data,
+                    void *resp_data) {
+  group_resp_t response;
+  callback_args_t ch_args = {.win = args->win, .app = NULL};
+  group_default_callback(&ch_args, widget, data, (void *)&response);
+  if (response.value > -1) {
+    // TODO: finish actions
+    switch (response.value) {
+    case 0:
+      exit(10);
+    case 1:
+      exit(11);
+    case 2:
+      exit(12);
+    }
+  }
+}
+
 dialogue_t *init_login_modal(app_t *app) {
   if (app == NULL)
     return NULL;
@@ -20,13 +38,16 @@ dialogue_t *init_login_modal(app_t *app) {
                                 {.type = w_button, .label = "Register"},
                                 {.type = w_end}};
 
-  dialogue_t *d = init_dialogue("Login", "Select your login "
-                                         "option");
+  dialogue_t *d = init_dialogue("Login",
+                                "Select your login "
+                                "option",
+                                app->cur_y, app->cur_x);
 
   memcpy(&(app->modal.dialogue), d, sizeof(dialogue_t));
   free(d);
   app->modal.dialogue.ch_group =
       init_group(&(app->modal.dialogue.win), &(d->w), children, horizontal);
+  app->modal.dialogue.ch_group->w.callback = group_callback;
 
   return NULL;
 }
\ No newline at end of file
diff --git a/src/ui/modals/login.h b/src/ui/modals/login.h
index a6d92e3..bd61a33 100644
--- a/src/ui/modals/login.h
+++ b/src/ui/modals/login.h
@@ -4,6 +4,9 @@
 #include "../widget/dialogue.h"
 #include "../app.h"
 
+typedef struct {
+    
+} ilm_action_args;
 dialogue_t *init_login_modal(app_t *app);
 
 #endif
\ No newline at end of file
diff --git a/src/ui/widget.h b/src/ui/widget.h
index b88bb78..eadc596 100644
--- a/src/ui/widget.h
+++ b/src/ui/widget.h
@@ -12,6 +12,11 @@ enum w_type {
   w_group,
 };
 
+typedef struct {
+  WINDOW *win;
+  void *app;
+} callback_args_t;
+
 typedef struct widget_t {
   uint32_t id;
   char title[DIALOGUE_TITLE];
@@ -21,9 +26,11 @@ typedef struct widget_t {
   uint32_t m_y;
   WINDOW *const* parent_win;
   struct widget_t *w_parent;
-  void (*callback) (WINDOW *win, void *widget, void *data);
+  void (*callback) (callback_args_t *args, void *widget, void *data, void *resp_data);
 } widget_t;
 
+typedef void (*callback_t) (callback_args_t *args, void *widget, void *data, void *resp_data);
+
 enum pmt_attrs {
   PMT_POS_CENTER = 01,
   PMT_ALIGN_CENTER = 03,
diff --git a/src/ui/widget/dialogue.c b/src/ui/widget/dialogue.c
index 17075ad..8ae7ec2 100644
--- a/src/ui/widget/dialogue.c
+++ b/src/ui/widget/dialogue.c
@@ -4,40 +4,36 @@
 #include <string.h>
 #include <sys/types.h>
 
-#include "../app.h"
 #include "dialogue.h"
 #include "group.h"
 
-void default_callback(WINDOW *win, void *widget, void *data) {
+
+void dialogue_default_callback(callback_args_t *args, void *widget, void *data,
+                               void *callback) {
   dialogue_t *d = (void *)widget;
   char key = *((char *)data);
   switch (key) {
-  case '\t':
-    if (d->ch_group->w_active_id != d->ch_group->last_id) {
-      d->ch_group->w_active_id = d->ch_group->w_active_id + 1;
-    } else {
-      d->ch_group->w_active_id = d->ch_group->first_id;
-    }
-    draw_group(win, d->ch_group);
-    break;
+  default:
+    d->ch_group->w.callback(args, d->ch_group, data, callback);
+    draw_dialogue(d);
   }
 }
 
-dialogue_t *init_dialogue(const char title[], const char text[]) {
+dialogue_t *init_dialogue(const char title[], const char text[], uint32_t cur_y, uint32_t cur_x) {
   dialogue_t *dialogue = malloc(sizeof(dialogue_t));
   dialogue->win = 0;
   dialogue->ch_group = NULL;
   dialogue->w.x = 0;
   dialogue->w.y = 0;
-  dialogue->w.callback = default_callback;
+  dialogue->cur_y = cur_y;
+  dialogue->cur_x = cur_x;
+  dialogue->w.callback = dialogue_default_callback;
   strcpy(dialogue->w.title, title);
   strcpy(dialogue->text, text);
   return dialogue;
 }
 
-int32_t draw_dialogue(void *_app, dialogue_t *d) {
-  app_t *app = (app_t *)_app;
-
+int32_t draw_dialogue(dialogue_t *d) {
   /* count dimensions */
   uint32_t x = 1; /* when uses box */
   uint32_t y = 1; /* when uses box */
@@ -64,8 +60,8 @@ int32_t draw_dialogue(void *_app, dialogue_t *d) {
   y += 1; /* when uses box */
   d->w.x = x;
   d->w.y = y;
-  d->w.m_x = (app->cur_x - x) / 2;
-  d->w.m_y = (app->cur_y - y) / 2;
+  d->w.m_y = (d->cur_y - y) / 2;
+  d->w.m_x = (d->cur_x - x) / 2;
 
   /* render window */
   if (d->win == NULL) {
@@ -92,7 +88,6 @@ int32_t draw_dialogue(void *_app, dialogue_t *d) {
   print_multiline_text(d->win, d->text, d->w.x, 2, 1, PMT_ALIGN_CENTER);
   wattroff(d->win, A_REVERSE);
   draw_group(d->win, d->ch_group);
-  wrefresh(d->win);
 
   return 0;
 };
diff --git a/src/ui/widget/dialogue.h b/src/ui/widget/dialogue.h
index f2f5273..4ea3615 100644
--- a/src/ui/widget/dialogue.h
+++ b/src/ui/widget/dialogue.h
@@ -10,12 +10,15 @@ typedef struct {
   WINDOW *win;
   widget_t w;
   group_t *ch_group;
+  uint32_t cur_y;
+  uint32_t cur_x;
   char text[DIALOGUE_TEXT];
 } dialogue_t;
 
-dialogue_t *init_dialogue(const char title[], const char text[]);
-int32_t draw_dialogue(void *app, dialogue_t *d);
+dialogue_t *init_dialogue(const char title[], const char text[], uint32_t cur_x,
+                          uint32_t cur_y);
+int32_t draw_dialogue(dialogue_t *d);
 void destroy_active_dialogue(dialogue_t *d);
-void default_callback(WINDOW *win, void *widget, void *data);
+void dialogue_default_callback(callback_args_t *args, void *widget, void *data, void *);
 
 #endif
\ No newline at end of file
diff --git a/src/ui/widget/group.c b/src/ui/widget/group.c
index 6bdfd9c..a728c18 100644
--- a/src/ui/widget/group.c
+++ b/src/ui/widget/group.c
@@ -4,6 +4,35 @@
 #include <stdlib.h>
 #include <sys/types.h>
 
+void group_default_callback(callback_args_t *args, void *widget, void *data, void *resp_data) {
+  group_t *g = (void *)widget;
+  char key = *((char *)data);
+  group_resp_t *response = (group_resp_t *) resp_data;
+  switch (key) {
+  case '\t':
+    if (g->active_id != g->last_id) {
+      g->active_id = g->active_id + 1;
+    } else {
+      g->active_id = g->first_id;
+    }
+    if (resp_data != NULL) {
+      response->active_id = g->active_id;
+      response->value = -1;
+    }
+    break;
+  case '\n':
+    if (resp_data != NULL) {
+      for (int i=0; i < g->count; i++) {
+        if (g->elements[i].id == g->active_id) {
+          response->active_id = g->active_id;
+          response->value = i;
+        }
+      }
+    }
+    break;
+  }
+}
+
 group_t *init_group(WINDOW **win, widget_t *w_parent, group_el_init_t *children,
                     enum g_direction direction) {
   group_t *group = malloc(sizeof(group_t));
@@ -14,6 +43,7 @@ group_t *init_group(WINDOW **win, widget_t *w_parent, group_el_init_t *children,
     ;
   group->elements = calloc(group->count, sizeof(group_el_t));
   group->w.w_parent = w_parent;
+  group->w.callback = group_default_callback;
   group_el_t *elements = group->elements;
   for (int i = 0; i < group->count; i++) {
     elements[i].type = children[i].type;
@@ -25,9 +55,10 @@ group_t *init_group(WINDOW **win, widget_t *w_parent, group_el_init_t *children,
     switch (elements[i].type) {
     case w_button:
       elements[i].element = init_button(win, &(group->w), children[i].label);
+      button_t *b = (button_t *)elements[i].element;
+      el_id = b->w.id;
+      elements[i].id = b->w.id;
       if (direction == horizontal) {
-        button_t *b = (button_t *)elements[i].element;
-        el_id = b->w.id;
         b->w.m_x = group->w.x;
         b->w.m_y = group->w.m_y;
         group->w.x += b->w.x + 1;
@@ -42,7 +73,7 @@ group_t *init_group(WINDOW **win, widget_t *w_parent, group_el_init_t *children,
     }
     if (i == 0) {
       group->first_id = el_id;
-      group->w_active_id = el_id;
+      group->active_id = el_id;
     } else {
       group->last_id = el_id;
     }
@@ -57,7 +88,7 @@ void draw_group(WINDOW *win, group_t *group) {
     group_el_t *el = &children[i];
     switch (el->type) {
     case w_button:
-      draw_button((button_t *)el->element, group->w_active_id);
+      draw_button((button_t *)el->element, group->active_id);
       break;
     case w_box:
     case w_group:
diff --git a/src/ui/widget/group.h b/src/ui/widget/group.h
index f8029b4..9684a4b 100644
--- a/src/ui/widget/group.h
+++ b/src/ui/widget/group.h
@@ -2,6 +2,7 @@
 #define GROUP_H
 
 #include "../widget.h"
+#include <stdint.h>
 
 enum g_direction {
   horizontal,
@@ -9,6 +10,7 @@ enum g_direction {
 };
 
 typedef struct {
+  uint32_t id;
   void *element;
   enum w_type type;
 } group_el_t;
@@ -21,15 +23,22 @@ typedef struct {
 typedef struct {
   group_el_t *elements;
   widget_t w;
-  uint32_t w_active_id;
+  uint32_t active_id;
   enum g_direction direction;
   uint32_t count;
   uint32_t first_id, last_id;
+  void *action_args;
 } group_t;
 
+typedef struct {
+  int32_t value;
+  uint32_t active_id;
+} group_resp_t;
+
 group_t *init_group(WINDOW **win, widget_t *w_parent, group_el_init_t *children,
                     enum g_direction dir);
 void draw_group(WINDOW *win, group_t *group);
 void destroy_group(group_t *group);
+void group_default_callback(callback_args_t *args, void *widget, void *data, void *resp_data);
 
 #endif
\ No newline at end of file