Function main

examples/GuessMyNumber.cpp:10–150

#include <cstdlib>

int main() {
	sf::RenderWindow render_window( sf::VideoMode( { 1024, 768 }, 32 ), "Guess My Number (SFGUI)", sf::Style::Titlebar | sf::Style::Close );

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

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

	auto current_number_entry = sfg::Entry::Create();
	auto tries_label = sfg::Label::Create();
	auto hint_label = sfg::Label::Create();
	auto guess_button = sfg::Button::Create( "Guess" );

	unsigned char current_number = 0;
	auto tries = 0u;

	// Custom properties.
	sfg::Context::Get().GetEngine().SetProperties(
		"Button#guess {"
		"	BackgroundColor: #006400FF;"
		"	BorderColor: #006400FF;"
		"}"
		"Button#guess:Prelight {"
		"	BackgroundColor: #008200FF;"
		"	BorderColor: #008200FF;"
		"}"
		"Button#guess > Label {"
		"	FontSize: 20;"
		"}"
	);

	auto update_ui = [&tries, &tries_label] {
		std::stringstream sstr;
		sstr << tries;
		tries_label->SetText( sstr.str() );
	};

	auto reset_game = [update_ui, &tries, &current_number, &hint_label, &guess_button] {
		tries = 0;
		current_number = static_cast<unsigned char>( std::rand() % 100 + 1 );

		hint_label->SetText( "-" );

		update_ui();
		guess_button->Show( true );
	};

	// Create widgets.
	auto window = sfg::Window::Create();
	window->SetTitle( "Guess My Number (SFGUI)" );

	auto new_game_button = sfg::Button::Create( "New game" );
	new_game_button->GetSignal( sfg::Widget::OnLeftClick ).Connect( [reset_game] { reset_game(); } );

	guess_button->SetId( "guess" );
	guess_button->GetSignal( sfg::Widget::OnLeftClick ).Connect( [&current_number_entry, &hint_label, &tries, &update_ui, &current_number, &guess_button] {
		// Validate number.