popup_form.cpp

demonstrates the use of xtd::forms::form container.

Windows

macOS

Gnome

#include <xtd/xtd>
 
class form1 : public form {
public:
  form1() {
    text("Popup form example");
    client_size({300, 100});
    controls().add_range({button1, popup_form1});
    
    list_box1.parent(popup_form1);
    list_box1.dock(dock_style::fill);
    list_box1.items().add_range({{"clear", button_images::from_name("weather-clear")}, {"clear night", button_images::from_name("weather-clear-night")}, {"few clouds", button_images::from_name("weather-few-clouds")}, {"few clouds night", button_images::from_name("weather-few-clouds-night")}, {"fog", button_images::from_name("weather-fog")}, {"overcast", button_images::from_name("weather-overcast")}, {"severe alert", button_images::from_name("weather-severe-alert")}, {"showers", button_images::from_name("weather-showers")}, {"showers scattered", button_images::from_name("weather-showers-scattered")}, {"snow", button_images::from_name("weather-snow")}, {"storm", button_images::from_name("weather-storm")}});
    list_box1.selected_index(0);
    list_box1.click += delegate_ {
      button1.text(list_box1.selected_item().value());
      button1.image(as<image>(list_box1.selected_item().tag()));
      popup_form1.hide();
    };
    
    button1.location({10, 10});
    button1.size({160, 50});
    button1.image_align(content_alignment::top_center);
    button1.text_align(content_alignment::bottom_center);
    button1.text(list_box1.selected_item().value());
    button1.image(as<image>(list_box1.selected_item().tag()));
    button1.click += delegate_ {
      popup_form1.location(point_to_screen(button1.location()));
      popup_form1.show();
    };
    
    popup_form1.start_position(form_start_position::manual);
    popup_form1.form_border_style(forms::form_border_style::none);
    popup_form1.size({button1.width(), 150});
    popup_form1.deactivate += delegate_ {
      popup_form1.hide();
    };
  }
  
private:
  button button1;
  form popup_form1;
  list_box list_box1;
};
 
auto main() -> int {
  application::run(form1 {});
}