Still c implementation is unstable.

We are still on building up its bodies here and there.

Change-Id: I708d66160d428cc62f69c38a6c598a0494e66cd1

diff --git a/src/examples/efl/c/page1.cpp b/src/examples/efl/c/page1.cpp
index 9a95a2d..5b91dd3 100644 (file)
--- a/src/examples/efl/c/page1.cpp
+++ b/src/examples/efl/c/page1.cpp
@@ -63,7 +63,7 @@ create_page1()
 
        if (!(ret = ui_view_lifecycle_callbacks_set(view, &lifecycle_callback, NULL)))
        {
-               dlog_print(DLOG_ERROR, LOG_TAG, "ui_view_lifecycle_callback_set is failed. err = %d", ret);
+               dlog_print(DLOG_ERROR, LOG_TAG, "ui_view_lifecycle_callback_set() is failed. err = %d", ret);
                ui_view_destroy(view);
                return;
        }

diff --git a/src/examples/efl/c/page2.cpp b/src/examples/efl/c/page2.cpp
index be9b03a..a9b1dbd 100644 (file)
--- a/src/examples/efl/c/page2.cpp
+++ b/src/examples/efl/c/page2.cpp
@@ -18,13 +18,13 @@
 #include "main.h"
 
 static void
-view2_prev_btn_clicked_cb(void *data, Evas_Object *obj, void *event_info)
+prev_btn_clicked_cb(void *data, Evas_Object *obj, void *event_info)
 {
        UI_VIEWMGR_VIEW_POP();
 }
 
 static void
-view2_next_btn_clicked_cb(void *data, Evas_Object *obj, void *event_info)
+next_btn_clicked_cb(void *data, Evas_Object *obj, void *event_info)
 {
        create_page3();
 }
@@ -32,18 +32,21 @@ view2_next_btn_clicked_cb(void *data, Evas_Object *obj, void *event_info)
 static bool
 view2_load_cb(ui_view *view, void *data)
 {
-       Evas_Object *base_layout = ui_view_base_get(view);
+       Evas_Object *content = NULL;
+       Evas_Object *base = NULL;
 
-       Evas_Object *content = create_content(base_layout, "ViewMgr Demo<br>Title Buttons",
-                       view2_prev_btn_clicked_cb, view2_next_btn_clicked_cb);
+       base = ui_view_base_get(view);
+       if (!base) return false;
+
+       content = create_content(base, "ViewMgr Demo<br>Title Buttons", prev_btn_clicked_cb, next_btn_clicked_cb);
 
        //Title left button
-       Elm_Button *left_title_btn = elm_button_add(base_layout);
+       Elm_Button *left_title_btn = elm_button_add(base);
        elm_object_text_set(left_title_btn, "Cancel");
 
        //Title right button
-       Elm_Button *right_title_btn = elm_button_add(base_layout);
-       elm_object_text_set(right_title_btn, "Done");
+       Elm_Button *right_title_btn = elm_button_add(base);
+       elm_object_text_set(right_title_btn, "Done2221");
 
        ui_standard_view_content_set(view, content, "Page2", NULL, left_title_btn, right_title_btn);
 
@@ -53,16 +56,23 @@ view2_load_cb(ui_view *view, void *data)
 void
 create_page2()
 {
+       int ret = 0;
+       ui_view *view = NULL;
        ui_view_lifecycle_callback_s lifecycle_callback = {0, };
 
-       lifecycle_callback.load = view2_load_cb;
-
-       ui_view *view = ui_standard_view_create("page2");
+       view = ui_standard_view_create("page2");
+       if (!view)
+       {
+               dlog_print(DLOG_ERROR, LOG_TAG, "failed to create a view");
+               return;
+       }
 
-       int ret = ui_view_lifecycle_callbacks_set(view, &lifecycle_callback, NULL);
-       if (!ret)
+       lifecycle_callback.load = view2_load_cb;
+       if (!ui_view_lifecycle_callbacks_set(view, &lifecycle_callback, NULL))
        {
-               dlog_print(DLOG_ERROR, LOG_TAG, "ui_view_lifecycle_callback_set is failed. err = %d", ret);
+               dlog_print(DLOG_ERROR, LOG_TAG, "ui_view_lifecycle_callback_set() is failed. err = %d", ret);
+               ui_view_destroy(view);
+               return;
        }
 
        UI_VIEWMGR_VIEW_PUSH(view);

diff --git a/src/include/efl/mobile/c/ui_app.h b/src/include/efl/mobile/c/ui_app.h
index 81609e3..4ecefb6 100644 (file)
--- a/src/include/efl/mobile/c/ui_app.h
+++ b/src/include/efl/mobile/c/ui_app.h
@@ -5,6 +5,7 @@
 extern "C" {
 #endif
 
+
 //FIXME: rename prefix
 bool ui_app_init(const char *pkg, const char *locale_dir);
 int ui_app_run(int argc, char **argv, ui_app_lifecycle_callback_s *lifecycle_callback, void *data);

diff --git a/src/include/efl/mobile/c/ui_mobile_viewmanager.h b/src/include/efl/mobile/c/ui_mobile_viewmanager.h
index 2be78e0..97cd19e 100644 (file)
--- a/src/include/efl/mobile/c/ui_mobile_viewmanager.h
+++ b/src/include/efl/mobile/c/ui_mobile_viewmanager.h
@@ -36,6 +36,7 @@
 #define ui_menu void
 #define ui_popup void
 
+
 //FIXME: better way?
 #include "../../../interface/ui_iface_types.h"
 

diff --git a/src/include/efl/mobile/c/ui_viewmgr.h b/src/include/efl/mobile/c/ui_viewmgr.h
index 1ccd338..c37a4c8 100644 (file)
--- a/src/include/efl/mobile/c/ui_viewmgr.h
+++ b/src/include/efl/mobile/c/ui_viewmgr.h
@@ -9,29 +9,20 @@ ui_view *ui_viewmgr_view_push(ui_viewmgr *viewmgr, ui_view *view);
 bool ui_viewmgr_view_push_insert_before(ui_viewmgr *viewmgr, ui_view *view, ui_view *before);
 bool ui_viewmgr_view_push_insert_after(ui_viewmgr *viewmgr, ui_view *view, ui_view *after);
 bool ui_viewmgr_view_pop(ui_viewmgr *viewmgr);
-
 bool ui_viewmgr_activate(ui_viewmgr *viewmgr);
 bool ui_viewmgr_deactivate(ui_viewmgr *viewmgr);
-
 Elm_Win *ui_viewmgr_window_get(ui_viewmgr *viewmgr);
-
-Elm_Conformant *ui_viewmgr_conformant_get(ui_viewmgr *viewmgr);
-
 ui_view *ui_viewmgr_last_view_get(ui_viewmgr *viewmgr);
-
 ui_view *ui_viewmgr_view_get(ui_viewmgr *viewmgr, int idx);
-
+//ui_view *ui_viewmgr_view_get_by_id(ui_viewmgr *viewmgr, const char *id);
 Evas_Object *ui_viewmgr_base_get(ui_viewmgr *viewmgr);
-
 int ui_viewmgr_view_count_get(ui_viewmgr *viewmgr);
-
 bool ui_viewmgr_soft_key_need_get(ui_viewmgr *viewmgr);
-
 ui_viewmgr *ui_viewmgr_viewmgr_get();
 
 #define UI_VIEWMGR_DEACTIVATE() (ui_viewmgr_deactivate(ui_app_viewmgr_get()))
 #define UI_VIEWMGR_VIEW_PUSH(x) (ui_viewmgr_view_push(ui_app_viewmgr_get(), x))
-#define UI_VIEWMGR_VIEW_POP()   (ui_viewmgr_view_pop(ui_app_viewmgr_get()))
+#define UI_VIEWMGR_VIEW_POP() (ui_viewmgr_view_pop(ui_app_viewmgr_get()))
 
 #ifdef __cplusplus
 }

diff --git a/src/lib/efl/mobile/c/ui_standard_view.cpp b/src/lib/efl/mobile/c/ui_standard_view.cpp
index 16059a3..cd93fc3 100644 (file)
--- a/src/lib/efl/mobile/c/ui_standard_view.cpp
+++ b/src/lib/efl/mobile/c/ui_standard_view.cpp
@@ -135,7 +135,7 @@ bool ui_standard_view_content_set(ui_view *view, Evas_Object *content, const cha
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -148,7 +148,7 @@ bool ui_standard_view_title_set(ui_view *view, const char *text)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -161,7 +161,7 @@ bool ui_standard_view_sub_title_set(ui_view *view, const char *text)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -174,7 +174,7 @@ bool ui_standard_view_title_badge_set(ui_view *view, const char *badge_text)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -187,7 +187,7 @@ bool ui_standard_view_title_right_btn_set(ui_view *view, Evas_Object *title_righ
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -200,7 +200,7 @@ Elm_Button *ui_standard_view_title_right_btn_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -213,7 +213,7 @@ Elm_Button *ui_standard_view_title_right_btn_unset(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -226,7 +226,7 @@ bool ui_standard_view_title_left_btn_set(ui_view *view, Evas_Object *title_left_
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -239,7 +239,7 @@ Elm_Button *ui_standard_view_title_left_btn_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -252,7 +252,7 @@ Elm_Button *ui_standard_view_title_left_btn_unset(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -265,7 +265,7 @@ bool ui_standard_view_toolbar_set(ui_view *view, Elm_Toolbar *toolbar)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -278,7 +278,7 @@ Elm_Toolbar *ui_standard_view_toolbar_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -291,7 +291,7 @@ Elm_Toolbar *ui_standard_view_toolbar_unset(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -304,7 +304,7 @@ bool ui_standard_view_title_visible_set(ui_view *view, bool visible, bool anim)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 

diff --git a/src/lib/efl/mobile/c/ui_view.cpp b/src/lib/efl/mobile/c/ui_view.cpp
index f28ecff..d63c9eb 100644 (file)
--- a/src/lib/efl/mobile/c/ui_view.cpp
+++ b/src/lib/efl/mobile/c/ui_view.cpp
@@ -129,7 +129,7 @@ bool ui_view_lifecycle_callbacks_set(ui_view *view, ui_view_lifecycle_callback_s
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -153,7 +153,7 @@ bool ui_view_event_callbacks_set(ui_view *view, ui_view_event_callback_s *event_
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -177,7 +177,7 @@ Evas_Object* ui_view_base_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
        return view->get_base();
@@ -187,7 +187,7 @@ Evas_Object *ui_view_content_unset(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -198,7 +198,7 @@ void ui_view_indicator_set(ui_view *view, ui_view_indicator indicator)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return;
        }
 
@@ -209,7 +209,7 @@ ui_view_indicator ui_view_indicator_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return UI_VIEW_INDICATOR_LAST;
        }
 
@@ -220,7 +220,7 @@ void ui_view_removable_content_set(ui_view *view, bool remove)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return;
        }
 
@@ -231,7 +231,7 @@ bool ui_view_removable_content_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -242,7 +242,7 @@ int ui_view_degree_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return -1;
        }
 
@@ -253,7 +253,7 @@ bool ui_view_transition_style_set(ui_view *view, const char *style)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -264,7 +264,7 @@ const char *ui_view_transition_style_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -275,7 +275,7 @@ const ui_menu *ui_view_menu_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -286,7 +286,7 @@ bool ui_view_name_set(ui_view *view, const char *name)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
 
@@ -298,7 +298,7 @@ const char *ui_view_name_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
@@ -310,7 +310,7 @@ ui_view_state ui_view_state_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return UI_VIEW_STATE_UNKNOWN;
        }
 
@@ -321,19 +321,18 @@ Evas_Object *ui_view_content_get(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return NULL;
        }
 
        return view->get_content();
-
 }
 
 bool ui_view_destroy(ui_view *view)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
        delete (view);
@@ -349,7 +348,7 @@ bool ui_view_content_set(ui_view *view, Evas_Object *content)
 {
        if (!view)
        {
-               LOGE("Invalid View");
+               LOGE("Invalid ui_view");
                return false;
        }
        return view->set_content(content);

diff --git a/src/lib/efl/mobile/c/ui_viewmgr.cpp b/src/lib/efl/mobile/c/ui_viewmgr.cpp
index 10965c6..7bc9447 100644 (file)
--- a/src/lib/efl/mobile/c/ui_viewmgr.cpp
+++ b/src/lib/efl/mobile/c/ui_viewmgr.cpp
@@ -3,152 +3,139 @@
 
 using namespace efl_viewmanager;
 
-extern "C" {
-       ui_view *ui_viewmgr_view_push(ui_viewmgr *viewmgr, ui_view *view)
+ui_view *ui_viewmgr_view_push(ui_viewmgr *viewmgr, ui_view *view)
+{
+       if (!viewmgr || !view)
        {
-               if (!viewmgr || !view)
-               {
-                       LOGE("Invalid Parameter viewmgr = %p, view = %p", viewmgr, view);
-                       return NULL;
-               }
-
-               return static_cast<ui_view *>(viewmgr->push_view(view));
+               LOGE("Invalid Parameter viewmgr = %p, view = %p", viewmgr, view);
+               return NULL;
        }
 
-       bool ui_viewmgr_view_push_insert_before(ui_viewmgr *viewmgr, ui_view *view, ui_view *before)
-       {
-               if (!viewmgr || !view || !before)
-               {
-                       LOGE("Invalid Parameter viewmgr = %p, view = %p, before = %p", viewmgr, view, before);
-                       return -1;
-               }
-
-               return viewmgr->insert_view_before(view, before);
-       }
+       return dynamic_cast<ui_view *>(viewmgr->push_view(view));
+}
 
-       bool ui_viewmgr_view_push_insert_after(ui_viewmgr *viewmgr, ui_view *view, ui_view *after)
+bool ui_viewmgr_view_insert_before(ui_viewmgr *viewmgr, ui_view *view, ui_view *before)
+{
+       if (!viewmgr || !view)
        {
-               if (!viewmgr || !view || !after)
-               {
-                       LOGE("Invalid Parameter viewmgr = %p, view = %p, after = %p", viewmgr, view, after);
-                       return -1;
-               }
-
-               return viewmgr->insert_view_after(view, after);
+               LOGE("Invalid Parameter viewmgr = %p, view = %p, before = %p", viewmgr, view, before);
+               return false;
        }
 
-       bool ui_viewmgr_view_pop(ui_viewmgr *viewmgr)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return -1;
-               }
-
-               return viewmgr->pop_view();
-       }
+       return viewmgr->insert_view_before(view, before);
+}
 
-       bool ui_viewmgr_activate(ui_viewmgr *viewmgr)
+bool ui_viewmgr_view_insert_after(ui_viewmgr *viewmgr, ui_view *view, ui_view *after)
+{
+       if (!viewmgr || !view)
        {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return -1;
-               }
-
-               return viewmgr->activate();
+               LOGE("Invalid Parameter viewmgr = %p, view = %p, after = %p", viewmgr, view, after);
+               return false;
        }
 
-       bool ui_viewmgr_deactivate(ui_viewmgr *viewmgr)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return -1;
-               }
+       return viewmgr->insert_view_after(view, after);
+}
 
-               return viewmgr->deactivate();
+bool ui_viewmgr_view_pop(ui_viewmgr *viewmgr)
+{
+       if (!viewmgr)
+       {
+               LOGE("Invalid ui_viewmgr");
+               return -1;
        }
 
-       Elm_Win *ui_viewmgr_window_get(ui_viewmgr *viewmgr)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return NULL;
-               }
+       return viewmgr->pop_view();
+}
 
-               return viewmgr->get_window();
+bool ui_viewmgr_activate(ui_viewmgr *viewmgr)
+{
+       if (!viewmgr)
+       {
+               LOGE("Invalid ui_viewmgr");
+               return -1;
        }
 
-       Elm_Conformant *ui_viewmgr_conformant_get(ui_viewmgr *viewmgr)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return NULL;
-               }
+       return viewmgr->activate();
+}
 
-               return viewmgr->get_conformant();
+bool ui_viewmgr_deactivate(ui_viewmgr *viewmgr)
+{
+       if (!viewmgr)
+       {
+               LOGE("Invalid ui_viewmgr");
+               return -1;
        }
 
-       ui_view *ui_viewmgr_last_view_get(ui_viewmgr *viewmgr)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return NULL;
-               }
+       return viewmgr->deactivate();
+}
 
-               return static_cast<ui_view *>(viewmgr->get_last_view());
+Elm_Win *ui_viewmgr_window_get(ui_viewmgr *viewmgr)
+{
+       if (!viewmgr)
+       {
+               LOGE("Invalid ui_viewmgr");
+               return NULL;
        }
 
-       ui_view *ui_viewmgr_view_get(ui_viewmgr *viewmgr, int idx)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return NULL;
-               }
+       return viewmgr->get_window();
+}
 
-               return static_cast<ui_view *>(viewmgr->get_view(idx));
+ui_view *ui_viewmgr_last_view_get(ui_viewmgr *viewmgr)
+{
+       if (!viewmgr)
+       {
+               LOGE("Invalid ui_viewmgr");
+               return NULL;
        }
 
-       Evas_Object *ui_viewmgr_base_get(ui_viewmgr *viewmgr)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return NULL;
-               }
+       return dynamic_cast<ui_view *>(viewmgr->get_last_view());
+}
 
-               return viewmgr->get_base();
+ui_view *ui_viewmgr_view_get(ui_viewmgr *viewmgr, int idx)
+{
+       if (!viewmgr)
+       {
+               LOGE("Invalid ui_viewmgr");
+               return NULL;
        }
 
-       int ui_viewmgr_view_count_get(ui_viewmgr *viewmgr)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return -1;
-               }
+       return dynamic_cast<ui_view *>(viewmgr->get_view(idx));
+}
 
-               return viewmgr->get_view_count();
+Evas_Object *ui_viewmgr_base_get(ui_viewmgr *viewmgr)
+{
+       if (!viewmgr)
+       {
+               LOGE("Invalid ui_viewmgr");
+               return NULL;
        }
 
-       bool ui_viewmgr_soft_key_need_get(ui_viewmgr *viewmgr)
-       {
-               if (!viewmgr)
-               {
-                       LOGE("Invalid Viewmgr");
-                       return false;
-               }
+       return viewmgr->get_base();
+}
 
-               return viewmgr->need_soft_key();
+int ui_viewmgr_view_count_get(ui_viewmgr *viewmgr)
+{
+       if (!viewmgr)
+       {
+               LOGE("Invalid ui_viewmgr");
+               return -1;
        }
 
-       ui_viewmgr *ui_viewmgr_viewmgr_get()
+       return viewmgr->get_view_count();
+}
+
+bool ui_viewmgr_soft_key_need_get(ui_viewmgr *viewmgr)
+{
+       if (!viewmgr)
        {
-               return UI_VIEWMGR;
+               LOGE("Invalid ui_viewmgr");
+               return false;
        }
+
+       return viewmgr->need_soft_key();
+}
+
+ui_viewmgr *ui_viewmgr_viewmgr_get()
+{
+       return UI_VIEWMGR;
 }

diff --git a/src/lib/efl/mobile/ui_viewmgr.cpp b/src/lib/efl/mobile/ui_viewmgr.cpp
index 6fc311f..6a44384 100644 (file)
--- a/src/lib/efl/mobile/ui_viewmgr.cpp
+++ b/src/lib/efl/mobile/ui_viewmgr.cpp
@@ -29,7 +29,6 @@ class ui_viewmgr_impl;
 /***********************************************************************************************/
 /* External class Implementation                                                               */
 /***********************************************************************************************/
-
 ui_viewmgr::ui_viewmgr(const char *pkg)
                : ui_base_viewmgr(pkg, new ui_key_listener(this))
 {