1 files changed, 130 insertions, 0 deletions
diff --git a/include/sfx2/lokhelper.hxx b/include/sfx2/lokhelper.hxx
new file mode 100644
index 000000000..05a94c486
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+++ b/include/sfx2/lokhelper.hxx
@@ -0,0 +1,130 @@
+/* -*- 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_SFX2_LOKHELPER_HXX
+#define INCLUDED_SFX2_LOKHELPER_HXX
+
+#include <vcl/IDialogRenderable.hxx>
+#include <vcl/ITiledRenderable.hxx>
+#include <vcl/event.hxx>
+#include <sfx2/dllapi.h>
+#include <sfx2/viewsh.hxx>
+#include <cstddef>
+#include <rtl/string.hxx>
+#include <optional>
+
+struct SFX2_DLLPUBLIC LokMouseEventData
+{
+    int mnType;
+    Point maPosition;
+    int mnCount;
+    MouseEventModifiers meModifiers;
+    int mnButtons;
+    int mnModifier;
+    std::optional<Point> maLogicPosition;
+
+    LokMouseEventData(int nType, Point aPosition, int nCount, MouseEventModifiers eModifiers, int nButtons, int nModifier)
+        : mnType(nType)
+        , maPosition(aPosition)
+        , mnCount(nCount)
+        , meModifiers(eModifiers)
+        , mnButtons(nButtons)
+        , mnModifier(nModifier)
+    {}
+};
+
+class SFX2_DLLPUBLIC SfxLokHelper
+{
+public:
+    /// Create a new view shell from the current view frame.
+    static int createView();
+    /// Destroy a view shell from the global shell list.
+    static void destroyView(int nId);
+    /// Set a view shell as current one.
+    static void setView(int nId);
+    /// Get the currently active view.
+    static int getView(SfxViewShell* pViewShell = nullptr);
+    /// Get the number of views of the current object shell.
+    static std::size_t getViewsCount();
+    /// Get viewIds of all existing views.
+    static bool getViewIds(int* pArray, size_t nSize);
+    /// Get the default language that should be used for views
+    static LanguageTag getDefaultLanguage();
+    /// Set language of the given view.
+    static void setViewLanguage(int nId, const OUString& rBcp47LanguageTag);
+    /// Set the default language for views.
+    static void setDefaultLanguage(const OUString& rBcp47LanguageTag);
+    /// Set the locale for the given view.
+    static void setViewLocale(int nId, const OUString& rBcp47LanguageTag);
+    /// Get the device form factor that should be used for a new view.
+    static LOKDeviceFormFactor getDeviceFormFactor();
+    /// Set the device form factor that should be used for a new view.
+    static void setDeviceFormFactor(const OUString& rDeviceFormFactor);
+    /// Iterate over any view shell, except pThisViewShell, passing it to the f function.
+    template<typename ViewShellType, typename FunctionType>
+    static void forEachOtherView(ViewShellType* pThisViewShell, FunctionType f);
+    /// Invoke the LOK callback of all views except pThisView, with a payload of rKey-rPayload.
+    static void notifyOtherViews(SfxViewShell* pThisView, int nType, const OString& rKey, const OString& rPayload);
+    /// Same as notifyOtherViews(), but works on a selected "other" view, not on all of them.
+    static void notifyOtherView(SfxViewShell* pThisView, SfxViewShell const* pOtherView, int nType, const OString& rKey, const OString& rPayload);
+    /// Emits a LOK_CALLBACK_STATE_CHANGED
+    static void sendUnoStatus(const SfxViewShell* pShell, const SfxPoolItem* pItem);
+    /// Emits a LOK_CALLBACK_WINDOW
+    static void notifyWindow(const SfxViewShell* pThisView,
+                             vcl::LOKWindowId nWindowId,
+                             const OUString& rAction,
+                             const std::vector<vcl::LOKPayloadItem>& rPayload = std::vector<vcl::LOKPayloadItem>());
+    /// Emits a LOK_CALLBACK_DOCUMENT_SIZE_CHANGED - if @bInvalidateAll - first invalidates all parts
+    static void notifyDocumentSizeChanged(SfxViewShell const* pThisView, const OString& rPayload, vcl::ITiledRenderable* pDoc, bool bInvalidateAll = true);
+    /// Emits a LOK_CALLBACK_DOCUMENT_SIZE_CHANGED for all views - if @bInvalidateAll - first invalidates all parts
+    static void notifyDocumentSizeChangedAllViews(vcl::ITiledRenderable* pDoc, bool bInvalidateAll = true);
+    /// Emits a LOK_CALLBACK_INVALIDATE_TILES, but tweaks it according to setOptionalFeatures() if needed.
+    static void notifyInvalidation(SfxViewShell const* pThisView, const OString& rPayload);
+    /// Emits a LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR, but tweaks it according to setOptionalFeatures() if needed.
+    static void notifyVisCursorInvalidation(OutlinerViewShell const* pThisView, const OString& rRectangle, bool bMispelledWord = false, const OString& rHyperlink = "");
+    /// Notifies all views with the given type and payload.
+    static void notifyAllViews(int nType, const OString& rPayload);
+
+    /// Notify about the editing context change.
+    static void notifyContextChange(SfxViewShell const* pViewShell, const OUString& aApplication, const OUString& aContext);
+
+    /// Helper for posting async key event
+    static void postKeyEventAsync(const VclPtr<vcl::Window> &xWindow,
+                                  int nType, int nCharCode, int nKeyCode, int nRepeat = 0);
+
+    /// Helper for posting input event
+    static void postExtTextEventAsync(const VclPtr<vcl::Window> &xWindow,
+                                      int nType, const OUString &rText);
+
+    /// Helper for posting async mouse event
+    static void postMouseEventAsync(const VclPtr<vcl::Window> &xWindow, LokMouseEventData const & rLokMouseEventData);
+
+    /// A special value to signify 'infinity'.
+    /// This value is chosen such that sal_Int32 will not overflow when manipulated.
+    static const long MaxTwips = 1e9;
+};
+
+template<typename ViewShellType, typename FunctionType>
+void SfxLokHelper::forEachOtherView(ViewShellType* pThisViewShell, FunctionType f)
+{
+    SfxViewShell* pViewShell = SfxViewShell::GetFirst();
+    while (pViewShell)
+    {
+        auto pOtherViewShell = dynamic_cast<ViewShellType*>(pViewShell);
+        if (pOtherViewShell != nullptr && pOtherViewShell != pThisViewShell)
+        {
+            f(pOtherViewShell);
+        }
+        pViewShell = SfxViewShell::GetNext(*pViewShell);
+    }
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */