Implemented UIFontPickerDialog.

Fixed alignment in UILinearLayout when padding is used.

src/examples/ui_font_picker/ui_font_picker.cpp

@@ -0,0 +1,34 @@
+#include <eepp/ee.hpp>
+
+EE_MAIN_FUNC int main( int, char** ) {
+	UIApplication app( { 1280, 720, "eepp - UIFontPickerDialog Example" } );
+
+	std::shared_ptr<ThreadPool> threadPool(
+		ThreadPool::createShared( eemax<int>( 4, Sys::getCPUCount() ) ) );
+
+	if ( !app.getWindow()->isOpen() )
+		return EXIT_FAILURE;
+
+	app.getUI()->setThreadPool( threadPool );
+	app.getUI()->getUIIconThemeManager()->setCurrentTheme(
+		IconManager::init( "icons", FontTrueType::New( "icon", "assets/fonts/remixicon.ttf" ),
+						   FontTrueType::New( "nonicons", "assets/fonts/nonicons.ttf" ),
+						   FontTrueType::New( "codicon", "assets/fonts/codicon.ttf" ) ) );
+
+	UIFontPickerDialog* dialog = UIFontPickerDialog::New();
+	dialog->setCloseShortcut( KEY_ESCAPE );
+	dialog->setOnFontPicked( []( const UIFontSelection& selection ) {
+		Log::info( "Selected font: %s (%s, face index: %u, size: %u)",
+				   selection.font.family.c_str(), selection.font.path.c_str(),
+				   selection.font.faceIndex, selection.size );
+	} );
+	dialog->center();
+	dialog->show();
+
+	app.getUI()->on( Event::KeyUp, [&app]( const Event* event ) {
+		if ( event->asKeyEvent()->getKeyCode() == KEY_F11 )
+			UIWidgetInspector::create( app.getUI() );
+	} );
+
+	return app.run();
+}