LOK: Implement posting of .uno: commands.

Implements also Bold button as an example in the gtktiledviewer.

Change-Id: I3b07d51165f28534aadbb4673f964ec10d5fc6ef

desktop/source/lib/init.cxx

@@ -27,6 +27,7 @@
 #include <rtl/strbuf.hxx>
 #include <rtl/bootstrap.hxx>
 #include <cppuhelper/bootstrap.hxx>
+#include <comphelper/dispatchcommand.hxx>
 #include <comphelper/processfactory.hxx>
 
 #include <com/sun/star/beans/XPropertySet.hpp>
@@ -213,6 +214,8 @@ static void doc_postMouseEvent (LibreOfficeKitDocument* pThis,
                                 int nX,
                                 int nY,
                                 int nCount);
+static void doc_postUnoCommand(LibreOfficeKitDocument* pThis,
+                               const char* pCommand);
 static void doc_setTextSelection (LibreOfficeKitDocument* pThis,
                                   int nType,
                                   int nX,
@@ -251,6 +254,7 @@ struct LibLODocument_Impl : public _LibreOfficeKitDocument
             m_pDocumentClass->registerCallback = doc_registerCallback;
             m_pDocumentClass->postKeyEvent = doc_postKeyEvent;
             m_pDocumentClass->postMouseEvent = doc_postMouseEvent;
+            m_pDocumentClass->postUnoCommand = doc_postUnoCommand;
             m_pDocumentClass->setTextSelection = doc_setTextSelection;
             m_pDocumentClass->setGraphicSelection = doc_setGraphicSelection;
             m_pDocumentClass->resetSelection = doc_resetSelection;
@@ -723,6 +727,16 @@ static void doc_postKeyEvent(LibreOfficeKitDocument* /*pThis*/, int nType, int n
 #endif
 }
 
+static void doc_postUnoCommand(LibreOfficeKitDocument* /*pThis*/, const char* pCommand)
+{
+    OUString aCommand(pCommand, strlen(pCommand), RTL_TEXTENCODING_UTF8);
+
+    if (!comphelper::dispatchCommand(aCommand))
+    {
+        gImpl->maLastExceptionMsg = "Failed to dispatch the .uno: command";
+    }
+}
+
 static void doc_postMouseEvent(LibreOfficeKitDocument* pThis, int nType, int nX, int nY, int nCount)
 {
     ITiledRenderable* pDoc = getTiledRenderable(pThis);

include/LibreOfficeKit/LibreOfficeKit.h

@@ -132,6 +132,10 @@ struct _LibreOfficeKitDocumentClass
                          int nX,
                          int nY,
                          int nCount);
+  /// @see lok::Document::postUnoCommand
+  void (*postUnoCommand)(LibreOfficeKitDocument* pThis,
+                         const char* pCommand);
+
   /// @see lok::Document::setTextSelection
   void (*setTextSelection)(LibreOfficeKitDocument* pThis,
                          int nType,

include/LibreOfficeKit/LibreOfficeKit.hxx

@@ -130,6 +130,16 @@ public:
         mpDoc->pClass->postMouseEvent(mpDoc, nType, nX, nY, nCount);
     }
 
+    /**
+     * Posts an UNO command to the document.
+     *
+     * @param pCommand uno command to be posted to the document, like ".uno:Bold"
+     */
+    inline void postUnoCommand(const char* pCommand)
+    {
+        mpDoc->pClass->postUnoCommand(mpDoc, pCommand);
+    }
+
     /**
      * Sets the start or end of a text selection.
      *

include/LibreOfficeKit/LibreOfficeKitGtk.h

@@ -121,6 +121,9 @@ void            lok_docview_set_edit        (LOKDocView* pDocView,
                                              gboolean bEdit);
 /// Gets if the viewer is actually an editor or not.
 gboolean        lok_docview_get_edit        (LOKDocView* pDocView);
+
+/// Posts the .uno: command to the LibreOfficeKit.
+void            lok_docview_post_command    (LOKDocView* pDocView, const char* pCommand);
 #ifdef __cplusplus
 }
 #endif

libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx

@@ -35,6 +35,7 @@ static int help()
 
 static GtkWidget* pDocView;
 static GtkToolItem* pEnableEditing;
+static GtkToolItem* pBold;
 static GtkWidget* pDocViewQuad;
 static GtkWidget* pVBox;
 // GtkComboBox requires gtk 2.24 or later
@@ -124,6 +125,14 @@ static void signalEdit(LOKDocView* pLOKDocView, gboolean bWasEdit, gpointer /*pD
         gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(pEnableEditing), bEdit);
 }
 
+/// User clicked on the 'Bold' button -> inform LOKDocView.
+void toggleBold(GtkWidget* /*pButton*/, gpointer /*pItem*/)
+{
+    LOKDocView* pLOKDocView = LOK_DOCVIEW(pDocView);
+
+    lok_docview_post_command(pLOKDocView, ".uno:Bold");
+}
+
 void changeQuadView( GtkWidget* /*pButton*/, gpointer /* pItem */ )
 {
     if ( pDocView )
@@ -364,6 +373,12 @@ int main( int argc, char* argv[] )
     gtk_toolbar_insert(GTK_TOOLBAR(pToolbar), pEnableEditing, -1);
     g_signal_connect(G_OBJECT(pEnableEditing), "toggled", G_CALLBACK(toggleEditing), NULL);
 
+    gtk_toolbar_insert( GTK_TOOLBAR(pToolbar), gtk_separator_tool_item_new(), -1);
+    pBold = gtk_toggle_tool_button_new();
+    gtk_tool_button_set_label(GTK_TOOL_BUTTON(pBold), "Bold");
+    gtk_toolbar_insert(GTK_TOOLBAR(pToolbar), pBold, -1);
+    g_signal_connect(G_OBJECT(pBold), "toggled", G_CALLBACK(toggleBold), NULL);
+
     gtk_box_pack_start( GTK_BOX(pVBox), pToolbar, FALSE, FALSE, 0 ); // Adds to top.
 
     // Docview

libreofficekit/source/gtk/lokdocview.cxx

@@ -971,4 +971,9 @@ SAL_DLLPUBLIC_EXPORT gboolean lok_docview_get_edit(LOKDocView* pDocView)
     return pDocView->m_bEdit;
 }
 
+SAL_DLLPUBLIC_EXPORT void lok_docview_post_command(LOKDocView* pDocView, const char* pCommand)
+{
+    pDocView->pDocument->pClass->postUnoCommand(pDocView->pDocument, pCommand);
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */