int main() {
// Create the main SFML window
sf::RenderWindow app_window( sf::VideoMode( 800, 600 ), "SFGUI Combo Box Example", sf::Style::Titlebar | sf::Style::Close );
// Construct our SFML guard
// See http://sfgui.sfml-dev.de/forum/topic52-crash-on-close.html for more info.
sfg::SFGUI sfgui;
// Create our main SFGUI window
sfg::Window::Ptr window;
window = sfg::Window::Create();
window->SetTitle( "Title" );
// Create the combo box itself.
combo_box = sfg::ComboBox::Create();
// Set the entries of the combo box.
combo_box->AppendItem( "Bar" );
combo_box->PrependItem( "Foo" );
sel_label = sfg::Label::Create( L"Please select an item!" );
sfg::Button::Ptr button( sfg::Button::Create( L"Add item" ) );
sfg::Box::Ptr hbox( sfg::Box::Create( sfg::Box::HORIZONTAL, 5 ) );
hbox->Pack( combo_box );
hbox->Pack( button, false );
sfg::Box::Ptr vbox( sfg::Box::Create( sfg::Box::VERTICAL, 5 ) );
vbox->Pack( hbox, false );
vbox->Pack( sel_label, true );
// Add the combo box to the window
window->Add( vbox );
// So that our combo box has a meaningful purpose (besides just looking
// awesome :P) we need to tell it to connect to a callback of our choosing to
// notify us when it is clicked.
combo_box->OnSelect.Connect( &OnComboSelect );
button->OnClick.Connect( &OnAddItemClick );
// If attempting to connect to a class method you need to provide
// a pointer to it as the second parameter after the function address.
// Start the game loop
while ( app_window.isOpen() ) {
// Process events
sf::Event event;
while ( app_window.pollEvent( event ) ) {
// Handle events
window->HandleEvent( event );
// Close window : exit
if ( event.type == sf::Event::Closed ) {
app_window.close();
}
}
// Update the GUI, note that you shouldn't normally
// pass 0 seconds to the update method.
window->Update( 0.f );
// Clear screen
app_window.clear();
// Draw the GUI
sfg::Renderer::Get().Display( app_window );
// Update the window
app_window.display();
}
// If you have any global or static widgets,
// you need to reset their pointers before your
// application exits.
combo_box.reset();
sel_label.reset();
return EXIT_SUCCESS;
}
void ComboBoxExample::Run() {
// Create the main SFML window
sf::RenderWindow app_window( sf::VideoMode( 800, 600 ), "SFGUI Combo Box Example", sf::Style::Titlebar | sf::Style::Close );
// We have to do this because we don't use SFML to draw.
app_window.resetGLStates();
// Create our main SFGUI window
auto window = sfg::Window::Create();
window->SetTitle( "Title" );
// Create the combo box itself.
m_combo_box = sfg::ComboBox::Create();
// Set the entries of the combo box.
m_combo_box->AppendItem( "Bar" );
m_combo_box->PrependItem( "Foo" );
m_sel_label = sfg::Label::Create( L"Please select an item!" );
auto add_button = sfg::Button::Create( L"Add item" );
auto remove_button = sfg::Button::Create( L"Remove first item" );
auto clear_button = sfg::Button::Create( L"Clear items" );
auto hbox = sfg::Box::Create( sfg::Box::Orientation::HORIZONTAL, 5 );
hbox->Pack( m_combo_box );
hbox->Pack( add_button, false );
hbox->Pack( remove_button, false );
hbox->Pack( clear_button, false );
auto vbox = sfg::Box::Create( sfg::Box::Orientation::VERTICAL, 5 );
vbox->Pack( hbox, false );
vbox->Pack( m_sel_label, true );
// Add the combo box to the window
window->Add( vbox );
// So that our combo box has a meaningful purpose (besides just looking
// awesome :P) we need to tell it to connect to a callback of our choosing to
// notify us when it is clicked.
m_combo_box->GetSignal( sfg::ComboBox::OnSelect ).Connect( std::bind( &ComboBoxExample::OnComboSelect, this ) );
add_button->GetSignal( sfg::Widget::OnLeftClick ).Connect( std::bind( &ComboBoxExample::OnAddItemClick, this ) );
remove_button->GetSignal( sfg::Widget::OnLeftClick ).Connect( std::bind( &ComboBoxExample::OnRemoveItemClick, this ) );
clear_button->GetSignal( sfg::Widget::OnLeftClick ).Connect( std::bind( &ComboBoxExample::OnClearClick, this ) );
// If attempting to connect to a class method you need to provide
// a pointer to it as the second parameter after the function address.
// Start the game loop
while ( app_window.isOpen() ) {
// Process events
sf::Event event;
while ( app_window.pollEvent( event ) ) {
// Handle events
window->HandleEvent( event );
// Close window : exit
if ( event.type == sf::Event::Closed ) {
app_window.close();
}
}
// Update the GUI, note that you shouldn't normally
// pass 0 seconds to the update method.
window->Update( 0.f );
// Clear screen
app_window.clear();
// Draw the GUI
m_sfgui.Display( app_window );
// Update the window
app_window.display();
}
}