src/examples/box_cxx_example_02.cc

   1 //Compile with:
   2 //gcc -g box_example_02.c -o box_example_02 `pkg-config --cflags --libs elementary`
   3
   4 #include <Elementary.hh>
   5 #include <Eina.hh>
   6
   7 #include <deque>
   8 #include <iostream>
   9
  10 struct Transitions_Data
  11 {
  12    efl::eo::wref<elm::box> box;
  13    std::deque<Evas_Object_Box_Layout> transitions;
  14    Evas_Object_Box_Layout last_layout;
  15 };
  16
  17 static void
  18 _test_box_transition_change(void *data)
  19 {
  20    Transitions_Data *tdata = static_cast<Transitions_Data*>(data);
  21    Elm_Box_Transition *layout_data;
  22    Evas_Object_Box_Layout next_layout;
  23
  24    assert (!!data);
  25    assert (!tdata->transitions.empty());
  26
  27    if(efl::eina::optional<elm::box> box = tdata->box.lock())
  28      {
  29         next_layout = tdata->transitions.front();
  30         layout_data = elm_box_transition_new(2.0, tdata->transitions.back(),
  31                                              nullptr, nullptr, next_layout, nullptr, nullptr,
  32                                              _test_box_transition_change, tdata);
  33         box->layout_set(elm_box_layout_transition, layout_data,
  34                         elm_box_transition_free);
  35         tdata->last_layout = next_layout;
  36
  37         tdata->transitions.push_back(tdata->transitions[0]);
  38         tdata->transitions.pop_front();
  39      }
  40 }
  41
  42 EAPI_MAIN int
  43 elm_main(int argc, char *argv[])
  44 {
  45    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_HIDDEN);
  46
  47    Transitions_Data tdata;
  48
  49    ::elm::win_standard win;
  50    win.title_set("Box Transition");
  51    win.autohide_set(true);
  52
  53    elm::box bigbox ( efl::eo::parent = win );
  54    bigbox.size_hint_weight_set(EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  55    win.resize_object_add(bigbox);
  56    bigbox.visible_set(true);
  57
  58    elm::box buttons ( efl::eo::parent = win );
  59    buttons.horizontal_set(EINA_TRUE);
  60    bigbox.pack_end(buttons);
  61    buttons.visible_set(true);
  62
  63    elm::button add ( efl::eo::parent = win );
  64    add.text_set("elm.text", "Add");
  65    buttons.pack_end(add);
  66    add.visible_set(true);
  67    add.callback_clicked_add
  68      (std::bind([&tdata]
  69       {
  70          if(efl::eina::optional<elm::box> box = tdata.box.lock())
  71          {
  72             elm::button btn ( efl::eo::parent = *box );
  73             btn.text_set(nullptr, "I do nothing");
  74             box->pack_end(btn);
  75             btn.visible_set(true);
  76          }
  77       }));
  78
  79    elm::button clear ( efl::eo::parent = win );
  80    clear.text_set("elm.text", "Clear");
  81    buttons.pack_end(clear);
  82    clear.visible_set(true);
  83    clear.callback_clicked_add(std::bind([&tdata] { tdata.box.lock()->clear(); }));
  84
  85    elm::box dynamic ( efl::eo::parent = win );
  86    dynamic.size_hint_weight_set(EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
  87    dynamic.size_hint_align_set(EVAS_HINT_FILL, EVAS_HINT_FILL);
  88    bigbox.pack_end(dynamic);
  89    dynamic.visible_set(true);
  90
  91    auto unpack = std::bind([&tdata] (evas::clickable_interface obj)
  92      {
  93         elm::button btn = efl::eo::downcast<elm::button>(obj);
  94         tdata.box.lock()->unpack(btn);
  95         btn.position_set(0, 50);
  96         btn.object_smart::color_set(128, 64, 0, 128);
  97      }, std::placeholders::_1)
  98    ;
  99
 100    elm::button bt1 ( efl::eo::parent = win );
 101    bt1.text_set("elm.text", "Button 1");
 102    bt1.callback_clicked_add(unpack);
 103    bt1.size_hint_weight_set(EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
 104    bt1.size_hint_align_set(EVAS_HINT_FILL, EVAS_HINT_FILL);
 105    dynamic.pack_end(bt1);
 106    bt1.visible_set(true);
 107
 108    elm::button bt2 ( efl::eo::parent = win );
 109    bt2.text_set("elm.text", "Button 2");
 110    bt2.size_hint_weight_set(EVAS_HINT_EXPAND, 0.0);
 111    bt2.size_hint_align_set(1.0, 0.5);
 112    bt2.callback_clicked_add(unpack);
 113    dynamic.pack_end(bt2);
 114    bt2.visible_set(true);
 115
 116    elm::button bt3 ( efl::eo::parent = win );
 117    bt3.text_set("elm.text", "Button 3");
 118    bt3.callback_clicked_add(unpack);
 119    dynamic.pack_end(bt3);
 120    bt3.visible_set(true);
 121
 122    tdata.box = dynamic;
 123    tdata.last_layout = evas_object_box_layout_horizontal;
 124    tdata.transitions.push_back(evas_object_box_layout_vertical);
 125    tdata.transitions.push_back(evas_object_box_layout_horizontal);
 126    tdata.transitions.push_back(evas_object_box_layout_stack);
 127    tdata.transitions.push_back(evas_object_box_layout_homogeneous_vertical);
 128    tdata.transitions.push_back(evas_object_box_layout_homogeneous_horizontal);
 129    tdata.transitions.push_back(evas_object_box_layout_flow_vertical);
 130    tdata.transitions.push_back(evas_object_box_layout_flow_horizontal);
 131    tdata.transitions.push_back(evas_object_box_layout_stack);
 132
 133    dynamic.layout_set(evas_object_box_layout_horizontal, nullptr, nullptr);
 134    _test_box_transition_change(&tdata);
 135
 136    win.size_set(300, 320);
 137    win.visible_set(true);
 138
 139    elm_run();
 140    return 0;
 141 }
 142 ELM_MAIN()