1 files changed, 50 insertions, 0 deletions
diff --git a/vcl/inc/unx/gtk/gtksys.hxx b/vcl/inc/unx/gtk/gtksys.hxx
new file mode 100644
index 000000000..7a70763e9
--- /dev/null
+++ b/vcl/inc/unx/gtk/gtksys.hxx
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+#ifndef INCLUDED_VCL_INC_UNX_GTK_GTKSYS_HXX
+#define INCLUDED_VCL_INC_UNX_GTK_GTKSYS_HXX
+
+#include <unx/gensys.h>
+#include <gtk/gtk.h>
+#include <unx/saltype.h>
+#include <deque>
+
+class GtkSalSystem final : public SalGenericSystem
+{
+    GdkDisplay *mpDisplay;
+#if !GTK_CHECK_VERSION(4,0,0)
+    // Number of monitors for every active screen.
+    std::deque<std::pair<GdkScreen*, int> > maScreenMonitors;
+#endif
+public:
+             GtkSalSystem();
+    virtual ~GtkSalSystem() override;
+    static   GtkSalSystem *GetSingleton();
+
+    virtual bool          IsUnifiedDisplay() override;
+    virtual unsigned int  GetDisplayScreenCount() override;
+    virtual unsigned int  GetDisplayBuiltInScreen() override;
+    virtual tools::Rectangle     GetDisplayScreenPosSizePixel   (unsigned int nScreen) override;
+    virtual int           ShowNativeDialog (const OUString&              rTitle,
+                                            const OUString&              rMessage,
+                                            const std::vector< OUString >& rButtons) override;
+    SalX11Screen      GetDisplayDefaultXScreen()
+            { return getXScreenFromDisplayScreen( GetDisplayBuiltInScreen() ); }
+    SalX11Screen      getXScreenFromDisplayScreen(unsigned int nDisplayScreen);
+#if !GTK_CHECK_VERSION(4,0,0)
+    void              countScreenMonitors();
+    // We have a 'screen' number that is combined from screen-idx + monitor-idx
+    int        getScreenIdxFromPtr     (GdkScreen *pScreen);
+    int        getScreenMonitorIdx     (GdkScreen *pScreen, int nX, int nY);
+    GdkScreen *getScreenMonitorFromIdx (int nIdx, gint &nMonitor);
+#endif
+};
+
+#endif // INCLUDED_VCL_INC_UNX_GTK_GTKSYS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */