initial commit

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

libs/wxWidgets-3.3.1/include/wx/gtk/private/textmeasure.h

@@ -0,0 +1,64 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/gtk/private/textmeasure.h
+// Purpose:     wxGTK-specific declaration of wxTextMeasure class
+// Author:      Manuel Martin
+// Created:     2012-10-05
+// Copyright:   (c) 1997-2012 wxWidgets team
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GTK_PRIVATE_TEXTMEASURE_H_
+#define _WX_GTK_PRIVATE_TEXTMEASURE_H_
+
+// ----------------------------------------------------------------------------
+// wxTextMeasure
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_FWD_CORE wxWindowDCImpl;
+
+class wxTextMeasure : public wxTextMeasureBase
+{
+public:
+    explicit wxTextMeasure(const wxDC *dc, const wxFont *font = nullptr)
+        : wxTextMeasureBase(dc, font)
+    {
+        Init();
+    }
+
+    explicit wxTextMeasure(const wxWindow *win, const wxFont *font = nullptr)
+        : wxTextMeasureBase(win, font)
+    {
+        Init();
+    }
+
+protected:
+    // Common part of both ctors.
+    void Init();
+
+    virtual void BeginMeasuring() override;
+    virtual void EndMeasuring() override;
+
+    virtual void DoGetTextExtent(const wxString& string,
+                                 wxCoord *width,
+                                 wxCoord *height,
+                                 wxCoord *descent = nullptr,
+                                 wxCoord *externalLeading = nullptr) override;
+
+    virtual bool DoGetPartialTextExtents(const wxString& text,
+                                         wxArrayInt& widths,
+                                         double scaleX) override;
+
+    // This class is only used for DC text measuring with GTK+ 2 as GTK+ 3 uses
+    // Cairo and not Pango for this. However it's still used even with GTK+ 3
+    // for window text measuring, so the context and the layout are still
+    // needed.
+#ifndef __WXGTK3__
+    wxWindowDCImpl *m_wdc;
+#endif // GTK+ < 3
+    PangoContext *m_context;
+    PangoLayout *m_layout;
+
+    wxDECLARE_NO_COPY_CLASS(wxTextMeasure);
+};
+
+#endif // _WX_GTK_PRIVATE_TEXTMEASURE_H_