From 0cf89de464d3237a18b1b54e8f1c4bc99d703d91 Mon Sep 17 00:00:00 2001
From: Marcel Hollerbach <marcel-hollerbach@t-online.de>
Date: Tue, 19 Dec 2017 17:26:53 +0100
Subject: [PATCH] added a focus example

---
 tutorial/c/focus/using_focus.c | 89 ++++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 tutorial/c/focus/using_focus.c

diff --git a/tutorial/c/focus/using_focus.c b/tutorial/c/focus/using_focus.c
new file mode 100644
index 00000000..159abba4
--- /dev/null
+++ b/tutorial/c/focus/using_focus.c
@@ -0,0 +1,89 @@
+#define EFL_EO_API_SUPPORT 1
+#define EFL_BETA_API_SUPPORT 1
+
+#include <Eina.h>
+#include <Elementary.h>
+#include <Efl_Ui.h>
+
+static void
+_gui_editor_changed_cb(void *data, const Efl_Event *event EINA_UNUSED)
+{
+   Eo *editor = data;
+
+   printf("Change recorded: %s\n", efl_text_get(editor));
+}
+
+static void
+_gui_about_clicked_cb(void *data, const Efl_Event *event EINA_UNUSED)
+{
+   Eo *button = data;
+
+   printf("Clicked About\n");
+}
+
+static void
+_gui_quit_clicked_cb(void *data EINA_UNUSED, const Efl_Event *event EINA_UNUSED)
+{
+   efl_exit(0);
+}
+
+static void
+_focus_changed(void *data EINA_UNUSED, const Efl_Event *event)
+{
+   printf("Focus changed to %hhu!\n", efl_ui_focus_object_focus_get(event->object));
+}
+
+static void
+_gui_setup()
+{
+   Eo *win, *box, *hbox, *editor, *button;
+
+   // TODO can we have nicer methods like efl_ui_win_add?
+   win = efl_add(EFL_UI_WIN_CLASS, NULL,
+                 efl_ui_win_type_set(efl_added, EFL_UI_WIN_BASIC),
+                 efl_text_set(efl_added, "Hello World"),
+                 efl_ui_win_autodel_set(efl_added, EINA_TRUE));
+
+   box = efl_add(EFL_UI_BOX_CLASS, win,
+                efl_content_set(win, efl_added),
+                efl_gfx_size_hint_min_set(efl_added, EINA_SIZE2D(360, 240)));
+
+   editor = efl_add(EFL_UI_TEXT_CLASS, box,
+                    efl_text_set(efl_added, "Edit me"),
+                    efl_ui_text_interactive_editable_set(efl_added, EINA_TRUE),
+                    efl_ui_text_scrollable_set(efl_added, EINA_TRUE),
+                    efl_pack(box, efl_added));
+   efl_event_callback_add(editor, EFL_UI_TEXT_EVENT_CHANGED_USER,
+                          _gui_editor_changed_cb, editor);
+   efl_event_callback_add(editor, EFL_UI_FOCUS_OBJECT_EVENT_FOCUS_CHANGED,
+                                                     _focus_changed, NULL);
+
+   efl_ui_focus_util_focus(EFL_UI_FOCUS_UTIL_CLASS, editor);
+
+   hbox = efl_add(EFL_UI_BOX_CLASS, box,
+                 efl_ui_direction_set(efl_added, EFL_UI_DIR_HORIZONTAL),
+                 efl_gfx_size_hint_weight_set(efl_added, 1.0, 0.1),
+                 efl_pack(box, efl_added));
+   button = efl_add(EFL_UI_BUTTON_CLASS, hbox,
+                    efl_text_set(efl_added, "About"),
+                    efl_pack(hbox, efl_added),
+                    efl_event_callback_add(efl_added, EFL_UI_EVENT_CLICKED,
+                                           _gui_about_clicked_cb, efl_added));
+   efl_ui_focus_util_focus(EFL_UI_FOCUS_UTIL_CLASS, button);
+
+   button = efl_add(EFL_UI_BUTTON_CLASS, hbox,
+                    efl_text_set(efl_added, "Quit"),
+                    efl_pack(hbox, efl_added),
+                    efl_event_callback_add(efl_added, EFL_UI_EVENT_CLICKED,
+                                           _gui_quit_clicked_cb, efl_added));
+}
+
+EAPI_MAIN void
+efl_main(void *data EINA_UNUSED, const Efl_Event *ev EINA_UNUSED)
+{
+   // TODO this to a efl_ui_policy method
+   elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
+
+   _gui_setup();
+}
+EFL_MAIN()