1 files changed, 65 insertions, 0 deletions
diff --git a/Libraries/LibGUI/RadioButton.h b/Libraries/LibGUI/RadioButton.h
new file mode 100644
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+++ b/Libraries/LibGUI/RadioButton.h
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+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <LibGUI/AbstractButton.h>
+
+namespace GUI {
+
+class RadioButton : public AbstractButton {
+    C_OBJECT(RadioButton)
+public:
+    virtual ~RadioButton() override;
+
+    virtual void click() override;
+
+protected:
+    explicit RadioButton(Widget* parent);
+    explicit RadioButton(const StringView& text, Widget* parent);
+    virtual void paint_event(PaintEvent&) override;
+
+private:
+    // These don't make sense for a radio button, so hide them.
+    using AbstractButton::auto_repeat_interval;
+    using AbstractButton::set_auto_repeat_interval;
+
+    virtual bool is_radio_button() const final { return true; }
+
+    template<typename Callback>
+    void for_each_in_group(Callback);
+    static Gfx::Size circle_size();
+};
+
+}
+
+template<>
+inline bool Core::is<GUI::RadioButton>(const Core::Object& object)
+{
+    if (!is<GUI::Widget>(object))
+        return false;
+    return to<GUI::Widget>(object).is_radio_button();
+}