LibGUI: Remove leading G from filenames

Libraries/LibGUI/RadioButton.cpp

@@ -0,0 +1,90 @@
+/*
+ * 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.
+ */
+
+#include <LibGfx/Bitmap.h>
+#include <LibGfx/StylePainter.h>
+#include <LibGUI/Painter.h>
+#include <LibGUI/RadioButton.h>
+
+namespace GUI {
+
+RadioButton::RadioButton(Widget* parent)
+    : RadioButton({}, parent)
+{
+}
+
+RadioButton::RadioButton(const StringView& text, Widget* parent)
+    : AbstractButton(text, parent)
+{
+}
+
+RadioButton::~RadioButton()
+{
+}
+
+Gfx::Size RadioButton::circle_size()
+{
+    return { 12, 12 };
+}
+
+void RadioButton::paint_event(PaintEvent& event)
+{
+    Painter painter(*this);
+    painter.add_clip_rect(event.rect());
+
+    Gfx::Rect circle_rect { { 2, 0 }, circle_size() };
+    circle_rect.center_vertically_within(rect());
+
+    Gfx::StylePainter::paint_radio_button(painter, circle_rect, palette(), is_checked(), is_being_pressed());
+
+    Gfx::Rect text_rect { circle_rect.right() + 4, 0, font().width(text()), font().glyph_height() };
+    text_rect.center_vertically_within(rect());
+    paint_text(painter, text_rect, font(), Gfx::TextAlignment::TopLeft);
+}
+
+template<typename Callback>
+void RadioButton::for_each_in_group(Callback callback)
+{
+    if (!parent())
+        return;
+    parent()->for_each_child_of_type<RadioButton>([&](auto& child) {
+        return callback(static_cast<RadioButton&>(child));
+    });
+}
+
+void RadioButton::click()
+{
+    if (!is_enabled())
+        return;
+    for_each_in_group([this](auto& button) {
+        if (&button != this)
+            button.set_checked(false);
+        return IterationDecision::Continue;
+    });
+    set_checked(true);
+}
+
+}