lok: Listen for state change events for cell alignment commands

We used to use HorizontalAlignment uno command for cell alignment
both in online and gtktiledviewer. To make things simpler, lets
use separate cell alignment uno commands for spreadsheets like we
have in writer and impres.

Change-Id: I2a959d1892f6b02db7a9ce51d55309216e4b3c6c
Reviewed-on: https://gerrit.libreoffice.org/33444Reviewed-by: pranavk <pranavk@collabora.co.uk>
Tested-by: pranavk <pranavk@collabora.co.uk>

desktop/source/lib/init.cxx

@@ -1344,6 +1344,9 @@ static void doc_iniUnoCommands ()
 
     OUString sUnoCommands[] =
     {
+        OUString(".uno:AlignLeft"),
+        OUString(".uno:AlignHorizontalCenter"),
+        OUString(".uno:AlignRight"),
         OUString(".uno:BackColor"),
         OUString(".uno:BackgroundColor"),
         OUString(".uno:Bold"),

libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx

@@ -374,18 +374,11 @@ gboolean TiledRowColumnBar::docConfigureEvent(GtkWidget* pDocView, GdkEventConfi
         gtk_widget_queue_draw(rWindow.m_pColumnBar->m_pDrawingArea);
         gtk_widget_show(rWindow.m_pFormulabarEntry);
 
-        // Change horizontal alignment uno commands for spreadsheet
-        const std::string argsPrefix =
-            "{"
-            "\"HorizontalAlignment\":{"
-            "\"type\":\"unsigned short\", "
-            "\"value\":\"";
-        const std::string argsSuffix = "\"}}";
-
-        lcl_registerToolItem(rWindow, rWindow.m_pLeftpara, ".uno:HorizontalAlignment", argsPrefix + std::to_string(1) + argsSuffix);
-        lcl_registerToolItem(rWindow, rWindow.m_pCenterpara, ".uno:HorizontalAlignment", argsPrefix + std::to_string(2) + argsSuffix);
-        lcl_registerToolItem(rWindow, rWindow.m_pRightpara, ".uno:HorizontalAlignment", argsPrefix + std::to_string(3) + argsSuffix);
-        lcl_registerToolItem(rWindow, rWindow.m_pJustifypara, ".uno:HorizontalAlignment", argsPrefix + std::to_string(4) + argsSuffix);
+        // Change cell alignment uno commands for spreadsheet
+        lcl_registerToolItem(rWindow, rWindow.m_pLeftpara, ".uno:AlignLeft");
+        lcl_registerToolItem(rWindow, rWindow.m_pCenterpara, ".uno:AlignHorizontalCenter");
+        lcl_registerToolItem(rWindow, rWindow.m_pRightpara, ".uno:AlignRight");
+        gtk_widget_hide(GTK_WIDGET(rWindow.m_pJustifypara));
     }
 
     return TRUE;

sfx2/source/control/unoctitm.cxx

@@ -996,7 +996,10 @@ static void InterceptLOKStateChangeEvent(const SfxViewFrame* pViewFrame, const c
         aEvent.FeatureURL.Path == "Underline" ||
         aEvent.FeatureURL.Path == "ModifiedStatus" ||
         aEvent.FeatureURL.Path == "TrackChanges" ||
-        aEvent.FeatureURL.Path == "AcceptTrackedChange")
+        aEvent.FeatureURL.Path == "AcceptTrackedChange" ||
+        aEvent.FeatureURL.Path == "AlignLeft" ||
+        aEvent.FeatureURL.Path == "AlignHorizontalCenter" ||
+        aEvent.FeatureURL.Path == "AlignRight")
     {
         bool bTemp = false;
         aEvent.State >>= bTemp;