How to create a dialog ?

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A dialog box is a form. So to create a dialog, just create a form and display it. The form can be displayed modally to resemble a standard dialog box. The form may have an accept button and a cancel button. The form border style can be fixed and the control buttons can be displayed or not.

#include <xtd/forms/application>
#include <xtd/forms/button>
#include <xtd/forms/form>
#include <xtd/forms/label>
#include <xtd/forms/system_texts>
#include <xtd/forms/text_box>

using namespace xtd;
using namespace xtd::forms;

class user_input_dialog : public form {
public:
  user_input_dialog() {
    accept_button(button_ok);
    cancel_button(button_cancel);
    client_size({200, 85});
    form_border_style(forms::form_border_style::fixed_dialog);
    control_box(false);
    start_position(form_start_position::center_parent);
    text("User input dialog");
    controls().push_back_range({input, button_ok, button_cancel});
    
    input.location({10, 10});
    input.width(180);
    
    button_cancel.dialog_result(forms::dialog_result::cancel);
    button_cancel.location({10, 50});
    button_cancel.text(system_texts::cancel());
    button_cancel.width(85);
    
    button_ok.dialog_result(forms::dialog_result::ok);
    button_ok.location({105, 50});
    button_ok.text(system_texts::ok());
    button_ok.width(85);
    
    active_control(input);
  }
  
  virtual ustring input_text() const {return input.text();}
  virtual user_input_dialog& input_text(const ustring& input_text) {
    input.text(input_text);
    return *this;
  }
  
private:
  text_box input;
  button button_cancel;
  button button_ok;
};

class form1 : public form {
public:
  form1() {
    controls().push_back_range({button_dialog, input_text});
    size({800, 450});
    text("User dialog exemple");
    
    input_text.auto_size(true);
    input_text.location({10, 50});
    input_text.text("User input text");
    
    button_dialog.location({10, 10});
    button_dialog.text("Dialog...");
    button_dialog.click += [&] {
      dialog.input_text(input_text.text());
      if (dialog.show_dialog(*this) == forms::dialog_result::ok)
        input_text.text(dialog.input_text());
    };
  }
  
private:
  user_input_dialog dialog;
  button button_dialog;
  label input_text;
};

auto main()->int {
  application::run(form1 {});
}

See

• xtd.forms
• Wiki