patch: Feature/ygo set selection (#16)

ui_wx/include/ccm/ui/SwitchCtrl.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <wx/event.h>
+#include <wx/window.h>
+
+namespace ccm::ui {
+
+wxDECLARE_EVENT(EVT_CCM_SWITCH, wxCommandEvent);
+
+// Small on/off switch (pill track + thumb) for modal dialogs. Fires `EVT_CCM_SWITCH`
+// when the user toggles; bind with the control pointer as the event source.
+class SwitchCtrl final : public wxWindow {
+public:
+    explicit SwitchCtrl(wxWindow* parent, wxWindowID id = wxID_ANY, bool initialOn = false);
+
+    [[nodiscard]] bool GetValue() const noexcept { return on_; }
+    void SetValue(bool on, bool notify = false);
+
+    bool Enable(bool enable = true) override;
+
+private:
+    void onPaint(wxPaintEvent&);
+    void onLeftDown(wxMouseEvent&);
+    void onEnter(wxMouseEvent&);
+    void onLeave(wxMouseEvent&);
+
+    bool on_{false};
+    bool hovered_{false};
+};
+
+}  // namespace ccm::ui