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efl/src/examples/elementary/button_cxx_example_01.cc

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// g++ -g `pkg-config --cflags --libs elementary-cxx efl-cxx eina-cxx eo-cxx ecore-cxx evas-cxx edje-cxx` button_cxx_example_01.cc -o button_cxx_example_01
#define EFL_CXXPERIMENTAL
#include <Elementary.hh>
using efl::eo::instantiate;
efl::gfx::Entity icon_still(nullptr);
static void
efl_main(void *data EINA_UNUSED, const Efl_Event *ev EINA_UNUSED)
{
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_HIDDEN);
efl::ui::Win win(instantiate);
win.text_set("Button example");
win.autohide_set(true);
efl::ui::Button mid(instantiate, win);
efl::ui::Button up(instantiate, win);
efl::ui::Button down(instantiate, win);
efl::ui::Button left(instantiate, win);
efl::ui::Button right(instantiate, win);
efl::ui::Box box(instantiate, win);
win.content_set(box);
efl::ui::Box box_initial(instantiate, win);
box_initial.direction_set(EFL_UI_DIR_HORIZONTAL);
box_initial.hint_weight_set(EFL_GFX_SIZE_HINT_EXPAND, 0.0);
box.pack_end(box_initial);
efl::ui::Button btn(instantiate, win);
btn.text_set("Initial: 0.0");
box_initial.pack_end(btn);
auto wup = up._get_wref();
auto wdown = up._get_wref();
auto wleft = up._get_wref();
auto wright = up._get_wref();
auto btn_options = std::bind(
[wup, wdown, wleft, wright] (efl::ui::Button &button)
{
efl::ui::Button b(efl::eo::downcast<efl::ui::Button>(button));
efl::eina::optional<std::string> lbl = b.text_get();
std::string::size_type ptr;
ptr = lbl->find(":");
ptr += 2;
double t = std::stod(lbl->substr(ptr));
if (lbl->compare(0,7,"Initial") == 0)
{
wup->autorepeat_initial_timeout_set(t);
wdown->autorepeat_initial_timeout_set(t);
wleft->autorepeat_initial_timeout_set(t);
wright->autorepeat_initial_timeout_set(t);
}
else if (lbl->compare(0,3,"Gap") == 0)
{
wup->autorepeat_gap_timeout_set(t);
wdown->autorepeat_gap_timeout_set(t);
wleft->autorepeat_gap_timeout_set(t);
wright->autorepeat_gap_timeout_set(t);
}
}, std::placeholders::_1);
efl::eolian::event_add(efl::ui::Clickable::clicked_event, btn, btn_options);
efl::ui::Button btn2(instantiate, win);
btn2.text_set("Initial: 1.0");
box_initial.pack_end(btn2);
efl::eolian::event_add(efl::ui::Clickable::clicked_event, btn2, btn_options);
efl::ui::Button btn3(instantiate, win);
btn3.text_set("Initial: 5.0");
box_initial.pack_end(btn3);
efl::eolian::event_add(efl::ui::Clickable::clicked_event, btn3, btn_options);
efl::ui::Box box_gap(instantiate, win);
box_gap.direction_set(EFL_UI_DIR_HORIZONTAL);
box_gap.hint_weight_set(EFL_GFX_SIZE_HINT_EXPAND, 0.0);
box.pack_end(box_gap);
efl::ui::Button btn4(instantiate, win);
btn4.text_set("Gap: 0.1");
box_gap.pack_end(btn4);
efl::eolian::event_add(efl::ui::Clickable::clicked_event, btn4, btn_options);
efl::ui::Button btn5(instantiate, win);
btn5.text_set("Gap: 0.5");
box_gap.pack_end(btn5);
efl::eolian::event_add(efl::ui::Clickable::clicked_event, btn5, btn_options);
efl::ui::Button btn6(instantiate, win);
btn6.text_set("Gap: 1.0");
box_gap.pack_end(btn6);
efl::eolian::event_add(efl::ui::Clickable::clicked_event, btn6, btn_options);
up.autorepeat_enabled_set(true);
up.autorepeat_initial_timeout_set(1.0);
up.autorepeat_gap_timeout_set(0.5);
up.hint_weight_set(EFL_GFX_SIZE_HINT_EXPAND, 0.0);
up.hint_align_set(EFL_GFX_SIZE_HINT_FILL, 0.0);
box.pack_end(up);
auto wmid = mid._get_wref();
auto btn_cursors_move = std::bind(
[wmid, wup, wdown, wleft, wright] (efl::ui::Button &button)
{
efl::ui::Button b(efl::eo::downcast<efl::ui::Button>(button));
auto pmid = wmid.lock();
double ax, ay;
if (!pmid) return;
auto cmid = pmid.get();
if (!icon_still)
{
efl::ui::Image obj(instantiate, cmid);
efl::eina::optional<efl::gfx::Entity> icon_still_p = cmid.content_unset();
if (icon_still_p)
{
icon_still = *icon_still_p;
icon_still.visible_set(false);
}
obj.icon_set("chat");
cmid.content_set(obj);
}
cmid.hint_align_get(ax, ay);
if (b == wup)
{
ay -= 0.05;
if (ay < 0.0)
ay = 0.0;
}
else if (b == wdown)
{
ay += 0.05;
if (ay > 1.0)
ay = 1.0;
}
else if (b == wleft)
{
ax -= 0.05;
if (ax < 0.0)
ax = 0.0;
}
else if (b == wright)
{
ax += 0.05;
if (ax > 1.0)
ax = 1.0;
}
cmid.hint_align_set(ax, ay);
}, std::placeholders::_1);
efl::eolian::event_add(efl::ui::Clickable::repeated_event, up, btn_cursors_move);
auto btn_cursors_release = std::bind(
[wmid] ()
{
if (icon_still)
{
wmid->content_set(icon_still);
icon_still = nullptr;
}
});
efl::eolian::event_add(efl::ui::Clickable::unpressed_event, up, btn_cursors_release);
efl::ui::Image icon_up(instantiate, win);
icon_up.icon_set("arrow_up");
up.content_set(icon_up);
efl::ui::Box box_inferior(instantiate, win);
box_inferior.direction_set(EFL_UI_DIR_HORIZONTAL);
box.pack_end(box_inferior);
box_inferior.visible_set(true);
left.autorepeat_enabled_set(true);
left.autorepeat_initial_timeout_set(1.0);
left.autorepeat_gap_timeout_set(0.5);
left.hint_weight_set(0.0, EFL_GFX_SIZE_HINT_EXPAND);
left.hint_align_set(0.0, EFL_GFX_SIZE_HINT_FILL);
box_inferior.pack_end(left);
efl::eolian::event_add(efl::ui::Clickable::repeated_event, left, btn_cursors_move);
efl::eolian::event_add(efl::ui::Clickable::unpressed_event, left, btn_cursors_release);
efl::ui::Image icon_left(instantiate, win);
icon_left.icon_set("arrow_left");
left.content_set(icon_left);
box_inferior.pack_end(mid);
efl::ui::Image icon_mid(instantiate, win);
icon_mid.icon_set("close");
mid.content_set(icon_mid);
right.autorepeat_enabled_set(true);
right.autorepeat_initial_timeout_set(1.0);
right.autorepeat_gap_timeout_set(0.5);
right.hint_weight_set(0.0, EFL_GFX_SIZE_HINT_EXPAND);
right.hint_align_set(0.0, EFL_GFX_SIZE_HINT_FILL);
box_inferior.pack_end(right);
efl::eolian::event_add(efl::ui::Clickable::repeated_event, right, btn_cursors_move);
efl::eolian::event_add(efl::ui::Clickable::unpressed_event, right, btn_cursors_release);
efl::ui::Image icon_right(instantiate, win);
icon_right.icon_set("arrow_right");
right.content_set(icon_right);
down.autorepeat_enabled_set(true);
down.autorepeat_initial_timeout_set(1.0);
down.autorepeat_gap_timeout_set(0.5);
down.hint_weight_set(EFL_GFX_SIZE_HINT_EXPAND, 0.0);
down.hint_align_set(EFL_GFX_SIZE_HINT_FILL, 0.0);
box.pack_end(down);
efl::eolian::event_add(efl::ui::Clickable::repeated_event, down, btn_cursors_move);
efl::eolian::event_add(efl::ui::Clickable::unpressed_event, down, btn_cursors_release);
efl::ui::Image icon_down(instantiate, win);
icon_down.icon_set("arrow_down");
down.content_set(icon_down);
win.size_set({300, 320});
}
EFL_MAIN()
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