Function main

examples/Buttons.cpp:9–154

#include <SFML/Graphics.hpp>

int main() {
	// Create the main SFML window
	sf::RenderWindow app_window( sf::VideoMode( { 800, 600 } ), "SFGUI Buttons Example", sf::Style::Titlebar | sf::Style::Close );

	// We have to do this because we don't use SFML to draw.
	app_window.resetGLStates();

	// Create an SFGUI. This is required before doing anything with SFGUI.
	sfg::SFGUI sfgui;

	// Create our main SFGUI window
	auto window = sfg::Window::Create();
	window->SetTitle( "Title" );

	// Create a Box to contain all our fun buttons ;)
	auto box = sfg::Box::Create( sfg::Box::Orientation::VERTICAL, 5.f );

	// Create the Button itself.
	auto button = sfg::Button::Create( "Click me" );

	// Add the Button to the Box
	box->Pack( button );

	// So that our Button 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.
	button->GetSignal( sfg::Widget::OnLeftClick ).Connect( [&button] {
		// When the Button is clicked it's label should change.
		button->SetLabel( "I was clicked" );
	} );

	// If attempting to connect to a class method you need to provide
	// a pointer to it as the second parameter after the function address.
	// Refer to the Signals example for more information.

	// Create the ToggleButton itself.
	auto toggle_button = sfg::ToggleButton::Create( "Toggle me" );

	// Connect the OnToggle signal to our handler.
	toggle_button->GetSignal( sfg::ToggleButton::OnToggle ).Connect( [&toggle_button, &window] {
		// When the ToggleButton is active hide the window's titlebar.
		if( toggle_button->IsActive() ) {
			window->SetStyle( window->GetStyle() ^ sfg::Window::TITLEBAR );
		}
		else {
			window->SetStyle( window->GetStyle() | sfg::Window::TITLEBAR );
		}
	} );

	// Add the ToggleButton to the Box
	box->Pack( toggle_button );

	// Create the CheckButton itself.
	auto check_button = sfg::CheckButton::Create( "Check me" );

	// Since a CheckButton is also a ToggleButton we can use
	// ToggleButton signals to handle events for CheckButtons.
	check_button->GetSignal( sfg::ToggleButton::OnToggle ).Connect( [&check_button, &window] {