initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/systhemectrl.h

@@ -0,0 +1,87 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/systhemectrl.h
+// Purpose:     Class to make controls appear in the systems theme
+// Author:      Tobias Taschner
+// Created:     2014-08-14
+// Copyright:   (c) 2014 wxWidgets development team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_SYSTHEMECTRL_H
+#define _WX_SYSTHEMECTRL_H
+
+#include "wx/defs.h"
+
+#if defined(__WXMSW__) && wxUSE_UXTHEME && !defined(__WXUNIVERSAL__)
+    #define wxHAS_SYSTEM_THEMED_CONTROL
+#endif
+
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+
+class WXDLLIMPEXP_CORE wxSystemThemedControlBase
+{
+public:
+    wxSystemThemedControlBase()
+    {
+#ifdef wxHAS_SYSTEM_THEMED_CONTROL
+        m_systemThemeDisabled = false;
+#endif // wxHAS_SYSTEM_THEMED_CONTROL
+    }
+
+    bool IsSystemThemeDisabled() const
+    {
+#ifdef wxHAS_SYSTEM_THEMED_CONTROL
+        return m_systemThemeDisabled;
+#else // !wxHAS_SYSTEM_THEMED_CONTROL
+        return false;
+#endif // wxHAS_SYSTEM_THEMED_CONTROL/!wxHAS_SYSTEM_THEMED_CONTROL
+    }
+
+    virtual ~wxSystemThemedControlBase() = default;
+
+protected:
+    // This method is virtual and can be overridden, e.g. composite controls do
+    // it to enable the system theme for all of their parts.
+    virtual void DoEnableSystemTheme
+#ifdef wxHAS_SYSTEM_THEMED_CONTROL
+    // Only __WXMSW__ has a non-trivial implementation currently.
+    (bool enable, wxWindow* window);
+#else
+    (bool WXUNUSED(enable), wxWindow* WXUNUSED(window)) { }
+#endif // wxHAS_SYSTEM_THEMED_CONTROL
+
+private:
+#ifdef wxHAS_SYSTEM_THEMED_CONTROL
+    bool m_systemThemeDisabled;
+#endif // wxHAS_SYSTEM_THEMED_CONTROL
+
+    wxDECLARE_NO_COPY_CLASS(wxSystemThemedControlBase);
+};
+
+// This class used CRTP, i.e. it should be instantiated for the real base class
+// and inherited from.
+template <class C>
+class wxSystemThemedControl : public C,
+                              public wxSystemThemedControlBase
+{
+public:
+    wxSystemThemedControl() = default;
+
+    void EnableSystemTheme(bool enable = true)
+    {
+        DoEnableSystemTheme(enable, this);
+    }
+
+protected:
+    void EnableSystemThemeByDefault()
+    {
+        // Check if the system theme hadn't been explicitly disabled before
+        // enabling it by default.
+        if ( !this->IsSystemThemeDisabled() )
+            DoEnableSystemTheme(true, this);
+    }
+
+    wxDECLARE_NO_COPY_TEMPLATE_CLASS(wxSystemThemedControl, C);
+};
+
+#endif // _WX_SYSTHEMECTRL_H