diff --git a/rtgui/include/rtgui/widgets/checkbox.h b/rtgui/include/rtgui/widgets/checkbox.h
index 0498435a4f0b3743625841a6e72ef1b3c1b4d2b7..9e9c325ab219ee311cec9bc0142fe0a5af2b0e82 100644
--- a/rtgui/include/rtgui/widgets/checkbox.h
+++ b/rtgui/include/rtgui/widgets/checkbox.h
@@ -27,10 +27,12 @@ typedef struct rtgui_checkbox rtgui_checkbox_t;
 
 rtgui_type_t *rtgui_checkbox_type_get(void);
 
-rtgui_checkbox_t* rtgui_checkbox_create(unsigned char* text);
+rtgui_checkbox_t* rtgui_checkbox_create(unsigned char* text, rt_bool_t checked);
 void rtgui_checkbox_destroy(rtgui_checkbox_t* checkbox);
 
-void rtgui_checkbox_ondraw(rtgui_checkbox_t* checkbox);
+void rtgui_checkbox_set_checked(rtgui_checkbox_t* checkbox, rt_bool_t checked);
+rt_bool_t rtgui_checkbox_get_checked(rtgui_checkbox_t* checkbox);
+
 rt_bool_t rtgui_checkbox_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
 
 #endif
diff --git a/rtgui/include/rtgui/widgets/filelist_view.h b/rtgui/include/rtgui/widgets/filelist_view.h
index 61144031049793dcbeb905998f0f8af178ab4691..8f608e6de191b1662e146fd37498f6ab9c06eb3a 100644
--- a/rtgui/include/rtgui/widgets/filelist_view.h
+++ b/rtgui/include/rtgui/widgets/filelist_view.h
@@ -48,8 +48,6 @@ rtgui_filelist_view_t* rtgui_filelist_view_create(rtgui_workbench_t* workbench,
 	const char* directory, const char* pattern, const rtgui_rect_t* rect);
 void rtgui_filelist_view_destroy(rtgui_filelist_view_t* view);
 
-void rtgui_filelist_view_clear(rtgui_filelist_view_t* view);
-
 rt_bool_t rtgui_filelist_view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
 void rtgui_filelist_view_set_directory(rtgui_filelist_view_t* view, const char* directory);
 
diff --git a/rtgui/include/rtgui/widgets/list_view.h b/rtgui/include/rtgui/widgets/list_view.h
index d15671eca034061e8094f4cb8bf635dc88052858..6d7732f49129da13e271666db5fca6e5e8872fac 100644
--- a/rtgui/include/rtgui/widgets/list_view.h
+++ b/rtgui/include/rtgui/widgets/list_view.h
@@ -61,8 +61,6 @@ rtgui_list_view_t* rtgui_list_view_create(const struct rtgui_list_item* items, r
     rtgui_rect_t *rect);
 void rtgui_list_view_destroy(rtgui_list_view_t* view);
 
-void rtgui_list_view_clear(rtgui_list_view_t* view);
-
 rt_bool_t rtgui_list_view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
 
 #endif
diff --git a/rtgui/include/rtgui/widgets/radiobox.h b/rtgui/include/rtgui/widgets/radiobox.h
index 52bbd84ff3dad354fd504f0d0e2f603ca78e7b4b..f2b8f0bf502fb6ba1cbfc8f578f2e170605659ba 100644
--- a/rtgui/include/rtgui/widgets/radiobox.h
+++ b/rtgui/include/rtgui/widgets/radiobox.h
@@ -42,3 +42,4 @@ rt_bool_t rtgui_radiobox_event_handler(struct rtgui_widget* widget, struct rtgui
 void rtgui_radiobox_set_orientation(struct rtgui_radiobox* radiobox, int orientation);
 
 #endif
+
diff --git a/rtgui/include/rtgui/widgets/textbox.h b/rtgui/include/rtgui/widgets/textbox.h
index 5dfc64d8c6e9224e692a3cafbb7012d8ace28185..65d6b253c5eb9b3d616788287267dcaefb14cd4c 100644
--- a/rtgui/include/rtgui/widgets/textbox.h
+++ b/rtgui/include/rtgui/widgets/textbox.h
@@ -61,7 +61,9 @@ struct rtgui_textbox
 };
 typedef struct rtgui_textbox rtgui_textbox_t;
 
-struct rtgui_textbox* rtgui_textbox_create(const char* text);
+rtgui_type_t *rtgui_textbox_type_get(void);
+
+struct rtgui_textbox* rtgui_textbox_create(const char* text, rt_uint8_t flag);
 void rtgui_textbox_destroy(struct rtgui_textbox* box);
 
 rt_bool_t rtgui_textbox_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
@@ -69,6 +71,6 @@ rt_bool_t rtgui_textbox_event_handler(struct rtgui_widget* widget, struct rtgui_
 void rtgui_textbox_set_value(struct rtgui_textbox* box, const char* text);
 const char* rtgui_textbox_get_value(struct rtgui_textbox* box);
 
-void rtgui_widget_set_line_length(struct rtgui_textbox* box, rt_size_t length);
+void rtgui_textbox_set_line_length(struct rtgui_textbox* box, rt_size_t length);
 
 #endif
diff --git a/rtgui/include/rtgui/widgets/view.h b/rtgui/include/rtgui/widgets/view.h
index 6d8311fc617f4ad873ac814a8b62250cbbd552cd..7e28a4ea93a57f4f519fcffebff12503cb67435d 100644
--- a/rtgui/include/rtgui/widgets/view.h
+++ b/rtgui/include/rtgui/widgets/view.h
@@ -49,7 +49,9 @@ void rtgui_view_destroy(rtgui_view_t* view);
 
 rt_bool_t rtgui_view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
 
+#ifndef RTGUI_USING_SMALL_SIZE
 void rtgui_view_set_box(rtgui_view_t* view, rtgui_box_t* box);
+#endif
 
 rtgui_modal_code_t rtgui_view_show(rtgui_view_t* view, rt_bool_t is_modal);
 void rtgui_view_hide(rtgui_view_t* view);
diff --git a/rtgui/include/rtgui/widgets/widget.h b/rtgui/include/rtgui/widgets/widget.h
index 8f716290313e853f0b2de780fa1109afd7f57cae..eb925d040f76fd0dee3f79de5041d7e17e4cce07 100644
--- a/rtgui/include/rtgui/widgets/widget.h
+++ b/rtgui/include/rtgui/widgets/widget.h
@@ -127,27 +127,11 @@ rtgui_type_t *rtgui_widget_type_get(void);
 rtgui_widget_t *rtgui_widget_create(rtgui_type_t *widget_type);
 void rtgui_widget_destroy(rtgui_widget_t* widget);
 
-/* initial a widget */
-void rtgui_widget_init(rtgui_widget_t* widget, rtgui_type_t type, rtgui_rect_t* rect);
-/* detach a widget */
-void rtgui_widget_detach(rtgui_widget_t* widget);
-
-/* update toplevel widget */
-void rtgui_widget_update_toplevel(rtgui_widget_t* widget);
-
 /* set the event handler of widget */
 void rtgui_widget_set_event_handler(rtgui_widget_t* widget, rtgui_event_handler_ptr handler);
 /* widget default event handler */
 rt_bool_t rtgui_widget_event_handler(rtgui_widget_t* widget, rtgui_event_t* event);
 
-/* dispatch event to child widget */
-rt_bool_t rtgui_widget_dispatch_event(rtgui_widget_t* widget, rtgui_event_t* event);
-rt_bool_t rtgui_widget_dispatch_mouse_event(rtgui_widget_t* widget, struct rtgui_event_mouse* event);
-
-/* set and get widget label */
-char* rtgui_widget_get_label(rtgui_widget_t* widget);
-void rtgui_widget_set_label(rtgui_widget_t* widget, const char* label);
-
 /* focus and unfocus */
 void rtgui_widget_focus(rtgui_widget_t * widget);
 void rtgui_widget_unfocus(rtgui_widget_t *widget);
diff --git a/rtgui/include/rtgui/widgets/window.h b/rtgui/include/rtgui/widgets/window.h
index 75c53eb69bd2405d2e893b7b111f93a5855c3cb0..1f63a666b6713a00ba7816b39b2511643ef915eb 100644
--- a/rtgui/include/rtgui/widgets/window.h
+++ b/rtgui/include/rtgui/widgets/window.h
@@ -85,7 +85,10 @@ void rtgui_win_move(struct rtgui_win* win, int x, int y);
 
 /* reset extent of window */
 void rtgui_win_set_rect(rtgui_win_t* win, rtgui_rect_t* rect);
+
+#ifndef RTGUI_USING_SMALL_SIZE
 void rtgui_win_set_box(rtgui_win_t* win, rtgui_box_t* box);
+#endif
 
 void rtgui_win_set_onactivate(rtgui_win_t* win, rtgui_event_handler_ptr handler);
 void rtgui_win_set_ondeactivate(rtgui_win_t* win, rtgui_event_handler_ptr handler);
diff --git a/rtgui/include/rtgui/widgets/workbench.h b/rtgui/include/rtgui/widgets/workbench.h
index ba863f080e9aaba52604e384a28f8de02121ec7d..1038c92e09382f1b4faa8fcacb855e077be9e9b8 100644
--- a/rtgui/include/rtgui/widgets/workbench.h
+++ b/rtgui/include/rtgui/widgets/workbench.h
@@ -60,11 +60,11 @@ struct rtgui_workbench
 	rtgui_view_t* current_view;
 };
 
+rtgui_type_t* rtgui_workbench_type_get(void);
+
 rtgui_workbench_t *rtgui_workbench_create(const char* panel_name, const unsigned char* title);
 void rtgui_workbench_destroy(rtgui_workbench_t* workbench);
 
-rtgui_type_t* rtgui_workbench_type_get(void);
-
 rt_bool_t rtgui_workbench_event_handler(rtgui_widget_t* widget, rtgui_event_t* event);
 
 void rtgui_workbench_set_flag(rtgui_workbench_t* workbench, rt_uint8_t flag);
diff --git a/rtgui/widgets/checkbox.c b/rtgui/widgets/checkbox.c
index e3677f0547b23df54ebb2b7dedeb7650c9689eba..46844eec23130ab048e77b0ea557b46407d0857c 100644
--- a/rtgui/widgets/checkbox.c
+++ b/rtgui/widgets/checkbox.c
@@ -87,7 +87,7 @@ rt_bool_t rtgui_checkbox_event_handler(struct rtgui_widget* widget, struct rtgui
 	return RT_FALSE;
 }
 
-struct rtgui_checkbox* rtgui_checkbox_create(unsigned char* text)
+struct rtgui_checkbox* rtgui_checkbox_create(unsigned char* text, rt_bool_t checked)
 {
     struct rtgui_checkbox* box;
 
@@ -103,6 +103,11 @@ struct rtgui_checkbox* rtgui_checkbox_create(unsigned char* text)
 
 		rtgui_widget_set_rect(RTGUI_WIDGET(box), &rect);
 		rtgui_label_set_text(RTGUI_LABEL(box), text);
+		
+		if (checked == RT_TRUE)
+			box->status_down = RTGUI_CHECKBOX_STATUS_CHECKED;
+		else
+			box->status_down = RTGUI_CHECKBOX_STATUS_UNCHECKED;
 	}
 
 	return box;
@@ -113,3 +118,23 @@ void rtgui_checkbox_destroy(rtgui_checkbox_t* box)
 	rtgui_widget_destroy(RTGUI_WIDGET(box));
 }
 
+void rtgui_checkbox_set_checked(rtgui_checkbox_t* checkbox, rt_bool_t checked)
+{
+	RT_ASSERT(checkbox != RT_NULL);
+	if (checked == RT_TRUE)
+		checkbox->status_down = RTGUI_CHECKBOX_STATUS_CHECKED;
+	else
+		checkbox->status_down = RTGUI_CHECKBOX_STATUS_UNCHECKED;
+		
+}
+
+rt_bool_t rtgui_checkbox_get_checked(rtgui_checkbox_t* checkbox)
+{
+	RT_ASSERT(checkbox != RT_NULL);
+
+	if (checkbox->status_down == RTGUI_CHECKBOX_STATUS_CHECKED)
+		return RT_TRUE;
+
+	return RT_FALSE;
+}
+
diff --git a/rtgui/widgets/filelist_view.c b/rtgui/widgets/filelist_view.c
index bef3f9003099f3b151042ca8c807616b00c8a88d..8a7f5f24577e776adbdc0a1f864caf043b4da82e 100644
--- a/rtgui/widgets/filelist_view.c
+++ b/rtgui/widgets/filelist_view.c
@@ -219,6 +219,7 @@ const static char * folder_xpm[] = {
 
 /* image for file and folder */
 static rtgui_image_t *file_image, *folder_image;
+static static void rtgui_filelist_view_clear(rtgui_filelist_view_t* view);
 
 static void _rtgui_filelist_view_constructor(struct rtgui_filelist_view *view)
 {
@@ -591,7 +592,7 @@ void rtgui_filelist_view_destroy(rtgui_filelist_view_t* view)
 }
 
 /* clear all file items */
-void rtgui_filelist_view_clear(rtgui_filelist_view_t* view)
+static void rtgui_filelist_view_clear(rtgui_filelist_view_t* view)
 {
 	rt_uint32_t index;
     struct rtgui_file_item* item;
diff --git a/rtgui/widgets/textbox.c b/rtgui/widgets/textbox.c
index d7e6ca798d3646b9e2781411f787f3ac168efe7a..9fd86b7efde864a13ab5393b9c18cf4067f9fa65 100644
--- a/rtgui/widgets/textbox.c
+++ b/rtgui/widgets/textbox.c
@@ -295,7 +295,7 @@ rt_bool_t rtgui_textbox_event_handler(struct rtgui_widget* widget, struct rtgui_
 	return RT_FALSE;
 }
 
-struct rtgui_textbox* rtgui_textbox_create(const char* text)
+struct rtgui_textbox* rtgui_textbox_create(const char* text, rt_uint8_t flag)
 {
     struct rtgui_textbox* box;
 
@@ -306,6 +306,7 @@ struct rtgui_textbox* rtgui_textbox_create(const char* text)
 
 		/* allocate default line buffer */
 		rtgui_textbox_set_value(box, text);
+		box->flag = flag;
 
 		rtgui_font_get_metrics(RTGUI_WIDGET(box)->gc.font, "h", &rect);
 	}
@@ -354,7 +355,7 @@ const char* rtgui_textbox_get_value(struct rtgui_textbox* box)
 	return (const char*)box->text;
 }
 
-void rtgui_widget_set_line_length(struct rtgui_textbox* box, rt_size_t length)
+void rtgui_textbox_set_line_length(struct rtgui_textbox* box, rt_size_t length)
 {
 	rt_uint8_t* new_line;
 
diff --git a/rtgui/widgets/view.c b/rtgui/widgets/view.c
index 3c2c714eca0215dc80d9bf1ed2f1517ee1f045ca..04cbc79a340d7af6accd223f7ca4024e0b181d65 100644
--- a/rtgui/widgets/view.c
+++ b/rtgui/widgets/view.c
@@ -122,6 +122,7 @@ void rtgui_view_destroy(rtgui_view_t* view)
 		rtgui_widget_destroy(RTGUI_WIDGET(view));
 }
 
+#ifndef RTGUI_USING_SMALL_SIZE
 void rtgui_view_set_box(rtgui_view_t* view, rtgui_box_t* box)
 {
 	if (view == RT_NULL ||
@@ -130,6 +131,7 @@ void rtgui_view_set_box(rtgui_view_t* view, rtgui_box_t* box)
 	rtgui_container_add_child(RTGUI_CONTAINER(view), RTGUI_WIDGET(box));
 	rtgui_widget_set_rect(RTGUI_WIDGET(box), &(RTGUI_WIDGET(view)->extent));
 }
+#endif
 
 rtgui_modal_code_t rtgui_view_show(rtgui_view_t* view, rt_bool_t is_modal)
 {
diff --git a/rtgui/widgets/window.c b/rtgui/widgets/window.c
index 8cba39d0c2d8b6087f94486366a054f052d0b5c9..268c9c50c4f523aa6d67d09283265e1e37662ef3 100644
--- a/rtgui/widgets/window.c
+++ b/rtgui/widgets/window.c
@@ -568,6 +568,7 @@ void rtgui_win_set_rect(rtgui_win_t* win, rtgui_rect_t* rect)
 	}
 }
 
+#ifndef RTGUI_USING_SMALL_SIZE
 void rtgui_win_set_box(rtgui_win_t* win, rtgui_box_t* box)
 {
 	if (win == RT_NULL || box == RT_NULL) return;
@@ -575,6 +576,7 @@ void rtgui_win_set_box(rtgui_win_t* win, rtgui_box_t* box)
 	rtgui_container_add_child(RTGUI_CONTAINER(win), RTGUI_WIDGET(box));
 	rtgui_widget_set_rect(RTGUI_WIDGET(box), &(RTGUI_WIDGET(win)->extent));
 }
+#endif
 
 void rtgui_win_set_onactivate(rtgui_win_t* win, rtgui_event_handler_ptr handler)
 {