initial commit

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

libs/wxWidgets-3.3.1/include/wx/msw/private/darkmode.h

@@ -0,0 +1,70 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/private/darkmode.h
+// Purpose:     Dark mode support in wxMSW
+// Author:      Vadim Zeitlin
+// Created:     2022-06-25
+// Copyright:   (c) 2022 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_MSW_PRIVATE_DARKMODE_H_
+#define _WX_MSW_PRIVATE_DARKMODE_H_
+
+#include "wx/settings.h"
+
+namespace wxMSWDarkMode
+{
+
+// Return true if the application is using dark mode: note that this will only
+// be the case if wxApp::MSWEnableDarkMode() was called.
+WXDLLIMPEXP_CORE
+bool IsActive();
+
+// Enable dark mode for the given TLW if appropriate.
+void EnableForTLW(HWND hwnd);
+
+// Set dark theme for the given (child) window if appropriate.
+//
+// Optional theme name and ID can be specified if something other than the
+// default "Explorer" should be used. If both theme name and theme ID are null,
+// no theme is set.
+void AllowForWindow(HWND hwnd,
+                    const wchar_t* themeName = L"Explorer",
+                    const wchar_t* themeId = nullptr);
+
+// Return the colour value appropriate for dark mode if it's used or an invalid
+// colour if it isn't.
+wxColour GetColour(wxSystemColour index);
+
+// Get the pen to use for drawing the border, see wxDarkModeSettings.
+wxPen GetBorderPen();
+
+// Return the background brush to be used by default in dark mode.
+HBRUSH GetBackgroundBrush();
+
+// Invert the colours of the given bitmap trying to keep it readable.
+wxBitmap InvertBitmap(const wxBitmap& bmp);
+
+// If dark mode is active, paint the given window using inverted colours by
+// drawing it normally and then applying InvertBitmap() to it.
+//
+// Otherwise just return false without doing anything.
+//
+// This can only be called from WM_PAINT handler for a native control and
+// assumes that this control handles WPARAM argument of WM_PAINT as HDC to
+// paint on.
+bool PaintIfNecessary(HWND hwnd, WXWNDPROC defWndProc);
+
+// If dark mode is active and if the message is one of those used for menu
+// drawing, process it and return true, otherwise just return false without
+// doing anything.
+bool
+HandleMenuMessage(WXLRESULT* result,
+                  wxWindow* w,
+                  WXUINT nMsg,
+                  WXWPARAM wParam,
+                  WXLPARAM lParam);
+
+} // namespace wxMSWDarkMode
+
+#endif // _WX_MSW_PRIVATE_DARKMODE_H_