Upgrade to SFML 3

.github/workflows/ci.yml

@@ -34,7 +34,7 @@ jobs:
       with:
         fetch-depth: 0
         repository: SFML/SFML
-        ref: 3.0.0-rc.1
+        ref: 3.0.0
         path: SFML
 
     - name: SFML - Configure CMake
@@ -51,4 +51,4 @@ jobs:
 
     - name: SFGUI - Build
       shell: bash
-      run: cmake --build $GITHUB_WORKSPACE/build --config Release --target install
+      run: cmake --build $GITHUB_WORKSPACE/build --config Release --target install

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 Enhancements:
 
-  * Update SFML version to 2.6.
+  * Update SFML version to 3.0.
   * Update CMake version to match SFML's version.
 
 ## Release 0.4.0

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required( VERSION 3.7.2 )
+cmake_minimum_required( VERSION 3.22 )
 
 set( SFGUI_MAJOR_VERSION 0 )
 set( SFGUI_MINOR_VERSION 4 )
@@ -24,7 +24,7 @@ option( SFML_STATIC_LIBRARIES   "Do you want to link SFML statically?"
 # Find packages.
 find_package( OpenGL REQUIRED )
 
-if( NOT TARGET sfml-graphics )
+if( NOT TARGET SFML::Graphics )
     find_package( SFML 3 REQUIRED COMPONENTS Graphics )
 endif()
 
@@ -62,7 +62,7 @@ if( SFGUI_INCLUDE_FONT )
 	target_compile_definitions( ${TARGET} PRIVATE SFGUI_INCLUDE_FONT )
 endif()
 
-target_link_libraries( ${TARGET} PUBLIC SFML::Graphics ${OPENGL_gl_LIBRARY} )
+target_link_libraries( ${TARGET} PUBLIC SFML::Graphics OpenGL::GL )
 
 # Tell the compiler to export when necessary.
 set_target_properties( ${TARGET} PROPERTIES DEFINE_SYMBOL SFGUI_EXPORTS )
@@ -110,7 +110,7 @@ if( WIN32 )
 		set_target_properties( ${TARGET} PROPERTIES IMPORT_SUFFIX ".a" )
 	endif()
 
-	set( SHARE_PATH "." )
+	set( SHARE_PATH ${CMAKE_CURRENT_SOURCE_DIR} )
 	set( LIB_PATH "lib" )
 elseif( APPLE )
 	find_library( COREFOUNDATION_LIBRARY CoreFoundation )
@@ -120,7 +120,7 @@ elseif( APPLE )
 	set( LIB_PATH "lib" )
 elseif( "${CMAKE_SYSTEM_NAME}" MATCHES "Linux" )
 	find_package( X11 REQUIRED )
-	target_link_libraries( ${TARGET} PUBLIC ${X11_LIBRARIES} )
+	target_link_libraries( ${TARGET} PUBLIC X11::X11 )
 	set( SHARE_PATH "${CMAKE_INSTALL_PREFIX}/share/SFGUI" )
 
 	if( LIB_SUFFIX )
@@ -134,7 +134,7 @@ else()
 endif()
 
 if( CMAKE_CXX_COMPILER MATCHES ".*clang[+][+]" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_COMPILER_IS_GNUCXX)
-	target_compile_options( SFGUI PRIVATE -Wall -Wextra -Wshadow -Wconversion -Wsign-conversion -Wunused-parameter -Wno-long-long -pedantic )
+	target_compile_options( SFGUI PRIVATE -Wall -Wextra -Wshadow -Wconversion -Wsign-conversion -Wunused-parameter -pedantic )
 endif()
 
 ### EXAMPLES ###

cmake/templates/config.cmake.in

@@ -4,7 +4,7 @@
 # Define Alias library @PROJECT_NAME@::@TARGET@
 
 include( CMakeFindDependencyMacro )
-find_dependency( SFML 2.6 COMPONENTS graphics window system)
+find_dependency( SFML 3.0 COMPONENTS Graphics)
 find_dependency( OpenGL )
 
 if( "${CMAKE_SYSTEM_NAME}" MATCHES "Linux" )

examples/Box.cpp

@@ -8,7 +8,7 @@
 
 int main() {
 	// Create the main SFML window
-	sf::RenderWindow app_window( sf::VideoMode( 800, 600 ), "SFGUI Box Example", sf::Style::Titlebar | sf::Style::Close );
+	sf::RenderWindow app_window( sf::VideoMode( {800, 600} ), "SFGUI Box Example", sf::Style::Titlebar | sf::Style::Close );
 
 	// We have to do this because we don't use SFML to draw.
 	app_window.resetGLStates();
@@ -58,14 +58,12 @@ int main() {
 	// Start the game loop
 	while ( app_window.isOpen() ) {
 		// Process events
-		sf::Event event;
-
-		while ( app_window.pollEvent( event ) ) {
+		while ( const std::optional event = app_window.pollEvent() ) {
 			// Handle events
-			window->HandleEvent( event );
+			window->HandleEvent( *event );
 
 			// Close window : exit
-			if ( event.type == sf::Event::Closed ) {
+			if ( event->is<sf::Event::Closed>() ) {
 				return EXIT_SUCCESS;
 			}
 		}

examples/Buttons.cpp

@@ -8,7 +8,7 @@
 
 int main() {
 	// Create the main SFML window
-	sf::RenderWindow app_window( sf::VideoMode( 800, 600 ), "SFGUI Buttons Example", sf::Style::Titlebar | sf::Style::Close );
+	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();
@@ -126,14 +126,12 @@ int main() {
 	// Start the game loop
 	while ( app_window.isOpen() ) {
 		// Process events
-		sf::Event event;
-
-		while ( app_window.pollEvent( event ) ) {
+		while ( const std::optional event = app_window.pollEvent() ) {
 			// Handle events
-			window->HandleEvent( event );
+			window->HandleEvent( *event );
 
 			// Close window : exit
-			if ( event.type == sf::Event::Closed ) {
+			if ( event->is<sf::Event::Closed>() ) {
 				return EXIT_SUCCESS;
 			}
 		}

examples/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required( VERSION 3.7.2 )
+cmake_minimum_required( VERSION 3.22 )
 
 function( build_example SAMPLE_NAME SOURCES )
 	add_executable( ${SAMPLE_NAME} ${SOURCES} )
@@ -45,19 +45,19 @@ build_example( "SFGUI-Test" "Test.cpp" )
 # Don't try to copy if the directories are the same.
 if( NOT ( "${PROJECT_SOURCE_DIR}" STREQUAL "${PROJECT_BINARY_DIR}" ) )
 	add_custom_command(
-		TARGET "SFGUI-Test"
+		TARGET "SFGUI-Test" POST_BUILD
 		COMMAND "${CMAKE_COMMAND}"
 		ARGS -E copy_directory "${PROJECT_SOURCE_DIR}/examples/data" "${PROJECT_BINARY_DIR}/examples/data"
 	)
 
 	add_custom_command(
-		TARGET "Image"
+		TARGET "Image" POST_BUILD
 		COMMAND "${CMAKE_COMMAND}"
 		ARGS -E copy_directory "${PROJECT_SOURCE_DIR}/examples/data" "${PROJECT_BINARY_DIR}/examples/data"
 	)
 
 	add_custom_command(
-		TARGET "Canvas"
+		TARGET "Canvas" POST_BUILD
 		COMMAND "${CMAKE_COMMAND}"
 		ARGS -E copy_directory "${PROJECT_SOURCE_DIR}/examples/data" "${PROJECT_BINARY_DIR}/examples/data"
 	)

examples/Canvas.cpp

@@ -12,7 +12,7 @@
 
 int main() {
 	// Create the main SFML window
-	sf::RenderWindow app_window( sf::VideoMode( 800, 600 ), "SFGUI Canvas Example", sf::Style::Titlebar | sf::Style::Close );
+	sf::RenderWindow app_window( sf::VideoMode( {800, 600} ), "SFGUI Canvas Example", sf::Style::Titlebar | sf::Style::Close );
 
 	// We have to do this because we don't use SFML to draw.
 	app_window.resetGLStates();
@@ -50,20 +50,18 @@ int main() {
 
 	// Create a table to put the scrollbars and scrollable canvas in.
 	auto table = sfg::Table::Create();
-	table->Attach( sfml_scrollable_canvas, sf::Rect<std::uint32_t>( ( 0, 0 ), ( 1, 1 ) ), sfg::Table::FILL | sfg::Table::EXPAND, sfg::Table::FILL | sfg::Table::EXPAND );
-	table->Attach( vertical_scrollbar, sf::Rect<std::uint32_t>( ( 1, 0 ), ( 1, 1 ) ), 0, sfg::Table::FILL );
-	table->Attach( horizontal_scrollbar, sf::Rect<std::uint32_t>( ( 0, 1 ), ( 1, 1 ) ), sfg::Table::FILL, 0 );
+	table->Attach( sfml_scrollable_canvas, sf::Rect<std::uint32_t>( {0, 0}, {1, 1} ), sfg::Table::FILL | sfg::Table::EXPAND, sfg::Table::FILL | sfg::Table::EXPAND );
+	table->Attach( vertical_scrollbar, sf::Rect<std::uint32_t>( {1, 0}, {1, 1} ), 0, sfg::Table::FILL );
+	table->Attach( horizontal_scrollbar, sf::Rect<std::uint32_t>( {0, 1}, {1, 1} ), sfg::Table::FILL, 0 );
 
 	// Add the Canvases to the windows.
 	opengl_window->Add( opengl_canvas );
 	sfml_window->Add( sfml_canvas );
 	sfml_scrollable_window->Add( table );
 
 	// Create an sf::Sprite for demonstration purposes.
-	sf::Texture texture;
-	texture.loadFromFile( "data/sfgui.png" );
-	sf::Sprite sprite;
-	sprite.setTexture( texture );
+	const sf::Texture texture( "data/sfgui.png" );
+	const sf::Sprite sprite( texture );
 
 	// Create an sf::RectangleShape for demonstration purposes.
 	sf::RectangleShape rectangle_shape( sf::Vector2f( 218.f * 20, 84.f * 20 ) );
@@ -89,11 +87,11 @@ int main() {
 	vertical_adjustment->SetPageSize( scrollable_canvas_size );
 
 	horizontal_adjustment->GetSignal( sfg::Adjustment::OnChange ).Connect( [&view, &horizontal_adjustment]() {
-		view.setCenter( horizontal_adjustment->GetValue(), view.getCenter().y );
+		view.setCenter( {horizontal_adjustment->GetValue(), view.getCenter().y} );
 	} );
 
 	vertical_adjustment->GetSignal( sfg::Adjustment::OnChange ).Connect( [&view, &vertical_adjustment]() {
-		view.setCenter( view.getCenter().x, vertical_adjustment->GetValue() );
+		view.setCenter( {view.getCenter().x, vertical_adjustment->GetValue()} );
 	} );
 
 	// Because Canvases provide a virtual surface to draw
@@ -119,14 +117,12 @@ int main() {
 	// Start the game loop
 	while ( app_window.isOpen() ) {
 		// Process events
-		sf::Event event;
-
-		while ( app_window.pollEvent( event ) ) {
+		while ( const std::optional event = app_window.pollEvent() ) {
 			// Handle events
-			desktop.HandleEvent( event );
+			desktop.HandleEvent( *event );
 
 			// Close window : exit
-			if ( event.type == sf::Event::Closed ) {
+			if ( event->is<sf::Event::Closed>() ) {
 				return EXIT_SUCCESS;
 			}
 		}
@@ -174,14 +170,14 @@ int main() {
 		glPushMatrix();
 		glLoadIdentity();
 
-		glViewport( 0, 0, static_cast<int>( opengl_canvas->GetAllocation().width ), static_cast<int>( opengl_canvas->GetAllocation().height ) );
+		glViewport( 0, 0, static_cast<int>( opengl_canvas->GetAllocation().size.x ), static_cast<int>( opengl_canvas->GetAllocation().size.y ) );
 
 		static const auto pi = 3.1415926535897932384626433832795f;
 		static const auto fov = 90.f;
 		static const auto near_distance = 1.f;
 		static const auto far_distance = 20.f;
 
-		auto aspect = opengl_canvas->GetAllocation().width / opengl_canvas->GetAllocation().height;
+		auto aspect = opengl_canvas->GetAllocation().size.x / opengl_canvas->GetAllocation().size.y;
 		auto frustum_height = std::tan( fov / 360 * pi ) * near_distance;
 		auto frustum_width = frustum_height * aspect;
 
@@ -228,7 +224,7 @@ int main() {
 		sfml_scrollable_canvas->Unbind();
 
 		// This is important.
-		app_window.setActive( true );
+		(void)app_window.setActive( true );
 
 		// Draw the GUI
 		sfgui.Display( app_window );

examples/ComboBox.cpp

@@ -8,7 +8,7 @@
 
 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 );
+	sf::RenderWindow app_window( sf::VideoMode( {800, 600} ), "SFGUI Combo Box Example", sf::Style::Titlebar | sf::Style::Close );
 
 	// Create an SFGUI. This is required before doing anything with SFGUI.
 	sfg::SFGUI sfgui;
@@ -72,14 +72,12 @@ int main() {
 	// Start the game loop
 	while ( app_window.isOpen() ) {
 		// Process events
-		sf::Event event;
-
-		while ( app_window.pollEvent( event ) ) {
+		while ( const std::optional event = app_window.pollEvent() ) {
 			// Handle events
-			window->HandleEvent( event );
+			window->HandleEvent( *event );
 
 			// Close window : exit
-			if ( event.type == sf::Event::Closed ) {
+			if ( event->is<sf::Event::Closed>() ) {
 				return EXIT_SUCCESS;
 			}
 		}

examples/CustomWidget.cpp

@@ -92,7 +92,7 @@ class MyCustomWidget : public sfg::Widget {
 				queue->Add(
 					sfg::Renderer::Get().CreatePane(
 						sf::Vector2f( 0.f, 0.f ),
-						sf::Vector2f( GetAllocation().width, GetAllocation().height ),
+						  GetAllocation().size,
 						5.f,
 						inverted_color,
 						background_color,
@@ -110,8 +110,8 @@ class MyCustomWidget : public sfg::Widget {
 				// Inner pane.
 				queue->Add(
 					sfg::Renderer::Get().CreatePane(
-						sf::Vector2f( GetAllocation().width / 4.f, GetAllocation().height / 4.f ),
-						sf::Vector2f( GetAllocation().width / 2.f, GetAllocation().height / 2.f ),
+						GetAllocation().size / 4.f,
+						GetAllocation().size / 2.f,
 						5.f,
 						sf::Color(
 							static_cast<std::uint8_t>( m_color_distribution( m_generator ) ),
@@ -124,7 +124,7 @@ class MyCustomWidget : public sfg::Widget {
 					)
 				);
 
-				sf::Text text( GetLabel(), *font, font_size );
+				sf::Text text( *font, GetLabel(), font_size );
 
 				// Set the text color to white.
 				text.setFillColor( sf::Color::White );
@@ -134,8 +134,8 @@ class MyCustomWidget : public sfg::Widget {
 				auto y_offset = ( GetState() == State::ACTIVE ) ? static_cast<float>( m_distribution( m_generator ) ) : 0.f;
 
 				text.setPosition(
-					GetAllocation().width / 2.f - metrics.x / 2.f + x_offset,
-					GetAllocation().height / 2.f - metrics.y / 2.f + y_offset
+					{GetAllocation().size.x / 2.f - metrics.x / 2.f + x_offset,
+					 GetAllocation().size.y / 2.f - metrics.y / 2.f + y_offset}
 				);
 
 				// Text.
@@ -202,7 +202,7 @@ class MyCustomWidget : public sfg::Widget {
 				return;
 			}
 
-			if( button == sf::Mouse::Left ) {
+			if( button == sf::Mouse::Button::Left ) {
 				if( press ) {
 					SetLabel( sf::String( "Mouse Left Press: " + std::to_string( x ) + "," + std::to_string( y ) ) );
 					SetState( State::ACTIVE );
@@ -223,7 +223,7 @@ class MyCustomWidget : public sfg::Widget {
 
 int main() {
 	// Create SFML's window.
-	sf::RenderWindow render_window( sf::VideoMode( 800, 600 ), "Custom Widget" );
+	sf::RenderWindow render_window( sf::VideoMode( {800, 600} ), "Custom Widget" );
 
 	// Create an SFGUI. This is required before doing anything with SFGUI.
 	sfg::SFGUI sfgui;
@@ -255,16 +255,15 @@ int main() {
 	render_window.resetGLStates();
 
 	// Main loop!
-	sf::Event event;
 	sf::Clock clock;
 
 	while( render_window.isOpen() ) {
 		// Event processing.
-		while( render_window.pollEvent( event ) ) {
-			desktop.HandleEvent( event );
+		while( const std::optional event = render_window.pollEvent() ) {
+			desktop.HandleEvent( *event );
 
 			// If window is about to be closed, leave program.
-			if( event.type == sf::Event::Closed ) {
+			if( event->is<sf::Event::Closed>() ) {
 				return 0;
 			}
 		}

examples/Desktop.cpp

@@ -4,7 +4,7 @@
 #include <SFML/Graphics.hpp>
 
 int main() {
-	sf::RenderWindow render_window( sf::VideoMode( 800, 600 ), "SFGUI Desktop Example" );
+	sf::RenderWindow render_window( sf::VideoMode( {800, 600} ), "SFGUI Desktop Example" );
 
 	// Create an SFGUI. This is required before doing anything with SFGUI.
 	sfg::SFGUI sfgui;
@@ -75,18 +75,16 @@ int main() {
 		front_button->GetSignal( sfg::Widget::OnLeftClick ).Connect( [&desktop, &main_window] { desktop.BringToFront( main_window ); } );
 	} );
 
-	sf::Event event;
-
 	while( render_window.isOpen() ) {
-		while( render_window.pollEvent( event ) ) {
+		while( const std::optional event = render_window.pollEvent() ) {
 			if(
-				(event.type == sf::Event::Closed) ||
-				(event.type == sf::Event::KeyPressed && event.key.scancode == sf::Keyboard::Scan::Escape)
+				(event->is<sf::Event::Closed>()) ||
+				(event->is<sf::Event::KeyPressed>() && event->getIf<sf::Event::KeyPressed>()->scancode == sf::Keyboard::Scan::Escape)
 			) {
 				return 0;
 			}
 			else {
-				desktop.HandleEvent( event );
+				desktop.HandleEvent( *event );
 			}
 		}