Hello,

Here is some patchs :
0001 : one line, code simplification.
0002 : explicite NULL or 0 comparison in if. I don't know if LibreOffice
have a coding standard about that type of comparison ?
0003 : some rewriting of SfxViewShell::ExecPrint_Impl ; add some
comments, prevent a segfault (NULL pointer dereferencing ; add return
after "rReq.SetReturnValue(SfxBoolItem(0,sal_False))")…
0004 : Prevent the printer settings dialog to show help button when it's
called from a help window.

Regards.

-- 
Maxime de Roucy
Groupe LINAGORA - OSSA
80 rue Roque de Fillol
92800 PUTEAUX
Tel. : 0033(0)642004909


From 858e796808271d8280aece653704261839042922 Mon Sep 17 00:00:00 2001
From: Maxime de Roucy <mdero...@linagora.com>
Date: Wed, 30 May 2012 10:45:02 +0200
Subject: [PATCH 1/4] Change unnecessary pointer dereference

Change-Id: I28404d9d1a18886361deae1aec583ef40c25ce85
---
 sw/source/ui/uno/SwXDocumentSettings.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sw/source/ui/uno/SwXDocumentSettings.cxx b/sw/source/ui/uno/SwXDocumentSettings.cxx
index d988bf5..ff56b00 100644
--- a/sw/source/ui/uno/SwXDocumentSettings.cxx
+++ b/sw/source/ui/uno/SwXDocumentSettings.cxx
@@ -839,7 +839,7 @@ void SwXDocumentSettings::_getSingleValue( const comphelper::PropertyInfo & rInf
         break;
         case HANDLE_PRINTER_SETUP:
         {
-            SfxPrinter *pPrinter = mpDocSh->GetDoc()->getPrinter( sal_False );
+            SfxPrinter *pPrinter = mpDoc->getPrinter( sal_False );
             if (pPrinter)
             {
                 SvMemoryStream aStream;
-- 
1.7.11

From 1ec537b448324972cdb59fcbea67e3b165228116 Mon Sep 17 00:00:00 2001
From: Maxime de Roucy <mdero...@linagora.com>
Date: Wed, 30 May 2012 10:57:09 +0200
Subject: [PATCH 2/4] Explicit if statement

Change-Id: I80fb875cab4e15f0eeab1739804b7530d4e26198
---
 sw/source/ui/uno/SwXDocumentSettings.cxx | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sw/source/ui/uno/SwXDocumentSettings.cxx b/sw/source/ui/uno/SwXDocumentSettings.cxx
index ff56b00..49a6791 100644
--- a/sw/source/ui/uno/SwXDocumentSettings.cxx
+++ b/sw/source/ui/uno/SwXDocumentSettings.cxx
@@ -433,7 +433,7 @@ void SwXDocumentSettings::_setSingleValue( const comphelper::PropertyInfo & rInf
             sal_Bool bIsKern = *(sal_Bool*)(rValue).getValue();
             mpDoc->set(IDocumentSettingAccess::KERN_ASIAN_PUNCTUATION, bIsKern);
             SwEditShell* pEditSh = mpDoc->GetEditShell();
-            if(pEditSh)
+            if(pEditSh != NULL)
                 pEditSh->ChgHyphenation();
         }
         break;
@@ -589,7 +589,7 @@ void SwXDocumentSettings::_setSingleValue( const comphelper::PropertyInfo & rInf
             if(rValue >>= aNew)
             {
                 mpDoc->SetRedlinePassword(aNew);
-                if(aNew.getLength())
+                if(aNew.getLength() != 0)
                 {
                     sal_uInt16 eMode = mpDoc->GetRedlineMode();
                     eMode = eMode|nsRedlineMode_t::REDLINE_ON;
@@ -840,7 +840,7 @@ void SwXDocumentSettings::_getSingleValue( const comphelper::PropertyInfo & rInf
         case HANDLE_PRINTER_SETUP:
         {
             SfxPrinter *pPrinter = mpDoc->getPrinter( sal_False );
-            if (pPrinter)
+            if (pPrinter != NULL)
             {
                 SvMemoryStream aStream;
                 pPrinter->Store( aStream );
-- 
1.7.11

From 9dfe6c37bc57fbad5ec0ab00f2fcdba8e55b6b75 Mon Sep 17 00:00:00 2001
From: Maxime de Roucy <mdero...@linagora.com>
Date: Fri, 15 Jun 2012 17:19:41 +0200
Subject: [PATCH 3/4] Some rewriting in SfxViewShell::ExecPrint_Impl
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* add comments
* reorganise if statement
* use of the IsAPI function
* prevent segfault (NULL pointer dereferencing)

Change-Id: Icbdac93e5250346bd5b4c465d00740b5fb51e8ac
---
 sfx2/source/view/viewprn.cxx | 89 ++++++++++++++++++++++----------------------
 1 file changed, 44 insertions(+), 45 deletions(-)

diff --git a/sfx2/source/view/viewprn.cxx b/sfx2/source/view/viewprn.cxx
index a8c19a2..20e2ac7 100644
--- a/sfx2/source/view/viewprn.cxx
+++ b/sfx2/source/view/viewprn.cxx
@@ -137,7 +137,7 @@ SfxPrinterController::SfxPrinterController( const boost::shared_ptr<Printer>& i_
     // initialize extra ui options
     if( mxRenderable.is() )
     {
-        for (sal_Int32 nProp=0; nProp<rProps.getLength(); nProp++)
+        for (sal_Int32 nProp=0; nProp < rProps.getLength(); nProp++)
             setValue( rProps[nProp].Name, rProps[nProp].Value );
 
         Sequence< beans::PropertyValue > aRenderOptions( 3 );
@@ -654,15 +654,21 @@ Printer* SfxViewShell::GetActivePrinter() const
 
 void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
 {
-    sal_uInt16                  nDialogRet = RET_CANCEL;
+    sal_uInt16              nDialogRet = RET_CANCEL;
     SfxPrinter*             pPrinter = 0;
     SfxDialogExecutor_Impl* pExecutor = 0;
     bool                    bSilent = false;
-    sal_Bool bIsAPI = rReq.GetArgs() && rReq.GetArgs()->Count();
+
+    // does the function have been called by the user interface or by an API call
+    sal_Bool bIsAPI = rReq.IsAPI();
     if ( bIsAPI )
     {
+        // the function have been called by the API
+
+        // Should it be visible on the user interface,
+        // should it launch popup dialogue ?
         SFX_REQUEST_ARG(rReq, pSilentItem, SfxBoolItem, SID_SILENT, sal_False);
-        bSilent = pSilentItem && pSilentItem->GetValue();
+        bSilent = ( pSilentItem != NULL && pSilentItem->GetValue() );
     }
 
     //FIXME: how to transport "bPrintOnHelp"?
@@ -678,27 +684,20 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
     const sal_uInt16 nId = rReq.GetSlot();
     switch( nId )
     {
-        // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-        case SID_PRINTDOC:
-        case SID_PRINTDOCDIRECT:
+        case SID_PRINTDOC: // display the printer selection and properties dialogue : File > Print…
+        case SID_PRINTDOCDIRECT: // Print the document directly, without displaying the dialogue
         {
             SfxObjectShell* pDoc = GetObjectShell();
 
             // derived class may decide to abort this
-            if( !pDoc->QuerySlotExecutable( nId ) )
+            if( pDoc == NULL || !pDoc->QuerySlotExecutable( nId ) )
             {
                 rReq.SetReturnValue( SfxBoolItem( 0, sal_False ) );
                 return;
             }
 
-            bool bDetectHidden = ( !bSilent && pDoc );
-            if ( bDetectHidden && pDoc->QueryHiddenInformation( WhenPrinting, NULL ) != RET_YES )
-                break;
-
-            SFX_REQUEST_ARG(rReq, pSelectItem, SfxBoolItem, SID_SELECTION, sal_False);
-            sal_Bool bSelection = pSelectItem && pSelectItem->GetValue();
-            if( pSelectItem && rReq.GetArgs()->Count() == 1 )
-                bIsAPI = sal_False;
+            if ( !bSilent && pDoc->QueryHiddenInformation( WhenPrinting, NULL ) != RET_YES )
+                return;
 
             uno::Sequence < beans::PropertyValue > aProps;
             if ( bIsAPI )
@@ -714,21 +713,28 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
                 // bool Asynchron
                 // bool Collate
                 // bool Silent
+
+                // the TransformItems function overwrite aProps
                 TransformItems( nId, *rReq.GetArgs(), aProps, GetInterface()->GetSlot(nId) );
-                for ( sal_Int32 nProp=0; nProp<aProps.getLength(); nProp++ )
+
+                for ( sal_Int32 nProp=0; nProp < aProps.getLength(); nProp++ )
                 {
                     if ( aProps[nProp].Name == "Copies" )
+                    {
                         aProps[nProp]. Name = rtl::OUString("CopyCount");
+                    }
                     else if ( aProps[nProp].Name == "RangeText" )
+                    {
                         aProps[nProp]. Name = rtl::OUString("Pages");
-                    if ( aProps[nProp].Name == "Asynchron" )
+                    }
+                    else if ( aProps[nProp].Name == "Asynchron" )
                     {
                         aProps[nProp]. Name = rtl::OUString("Wait");
                         sal_Bool bAsynchron = sal_False;
                         aProps[nProp].Value >>= bAsynchron;
                         aProps[nProp].Value <<= (sal_Bool) (!bAsynchron);
                     }
-                    if ( aProps[nProp].Name == "Silent" )
+                    else if ( aProps[nProp].Name == "Silent" )
                     {
                         aProps[nProp]. Name = rtl::OUString("MonitorVisible");
                         sal_Bool bPrintSilent = sal_False;
@@ -737,6 +743,7 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
                     }
                 }
             }
+
             // HACK: writer sets the SID_SELECTION item when printing directly and expects
             // to get only the selection document in that case (see getSelectionObject)
             // however it also reacts to the PrintContent property. We need this distinction here, too,
@@ -744,6 +751,10 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
             // it would be better if writer handled this internally
             if( nId == SID_PRINTDOCDIRECT )
             {
+                // should we print only the selection or the whole document
+                SFX_REQUEST_ARG(rReq, pSelectItem, SfxBoolItem, SID_SELECTION, sal_False);
+                sal_Bool bSelection = ( pSelectItem != NULL && pSelectItem->GetValue() );
+
                 sal_Int32 nLen = aProps.getLength();
                 aProps.realloc( nLen + 1 );
                 aProps[nLen].Name = rtl::OUString( "PrintSelectionOnly"  );
@@ -756,8 +767,7 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
             rReq.Done();
             break;
         }
-
-        case SID_SETUPPRINTER :
+        case SID_SETUPPRINTER : // display the printer settings dialogue : File > Printer Settings…
         case SID_PRINTER_NAME : // only for recorded macros
         {
             // get printer and printer settings from the document
@@ -765,49 +775,42 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
 
             // look for printer in parameters
             SFX_REQUEST_ARG( rReq, pPrinterItem, SfxStringItem, SID_PRINTER_NAME, sal_False );
-            if ( pPrinterItem )
+            if ( pPrinterItem != NULL )
             {
                 // use PrinterName parameter to create a printer
                 pPrinter = new SfxPrinter( pDocPrinter->GetOptions().Clone(), ((const SfxStringItem*) pPrinterItem)->GetValue() );
 
                 // if printer is unknown, it can't be used - now printer from document will be used
-                if ( !pPrinter->IsOriginal() )
+                if ( !pPrinter->IsKnown() )
                     DELETEZ(pPrinter);
             }
 
-            if ( SID_PRINTER_NAME == nId )
-            {
-                // just set a recorded printer name
-                if ( pPrinter )
-                    SetPrinter( pPrinter, SFX_PRINTER_PRINTER  );
-                break;
-            }
-
             // no PrinterName parameter in ItemSet or the PrinterName points to an unknown printer
-            if ( !pPrinter )
+            if ( pPrinter == NULL )
                 // use default printer from document
                 pPrinter = pDocPrinter;
 
-            if( !pPrinter || !pPrinter->IsValid() )
+            if( pPrinter == NULL || !pPrinter->IsValid() )
             {
                 // no valid printer either in ItemSet or at the document
-                if ( bSilent )
-                {
-                    rReq.SetReturnValue(SfxBoolItem(0,sal_False));
-                    break;
-                }
-                else
+                if ( !bSilent )
                     ErrorBox( NULL, WB_OK | WB_DEF_OK, String( SfxResId( STR_NODEFPRINTER ) ) ).Execute();
+
+                rReq.SetReturnValue(SfxBoolItem(0,sal_False));
+
+                return;
             }
 
             // FIXME: printer isn't used for printing anymore!
             if( pPrinter->IsPrinting() )
             {
-                // if printer is busy, abort printing
+                // if printer is busy, abort configuration
                 if ( !bSilent )
                     InfoBox( NULL, String( SfxResId( STR_ERROR_PRINTER_BUSY ) ) ).Execute();
+
                 rReq.SetReturnValue(SfxBoolItem(0,sal_False));
-                break;
+
+                return;
             }
 
             // if no arguments are given, retrieve them from a dialog
@@ -879,14 +882,10 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
                     if ( SID_PRINTDOC == nId )
                         rReq.SetReturnValue(SfxBoolItem(0,sal_False));
                     if ( nId == SID_SETUPPRINTER )
-                    {
                         rReq.AppendItem( SfxBoolItem( SID_DIALOG_RETURN, sal_False ) );
-            }
                 }
             }
         }
-
-        break;
     }
 }
 
-- 
1.7.11

From d63f7c628439b25bf98b9d8e8697aa9d309f8cb6 Mon Sep 17 00:00:00 2001
From: Maxime de Roucy <mdero...@linagora.com>
Date: Fri, 15 Jun 2012 17:28:37 +0200
Subject: [PATCH 4/4] Prevent print settings dialog to show help button

Prevent the printer settings dialog to show help button when it's called
from the help.
Add a PrinterController property : HideHelpButton

Change-Id: I9ce548075f79e09115632fffa12dd14258ea5263
---
 sfx2/source/view/viewprn.cxx   | 15 +++++++++++----
 vcl/source/window/printdlg.cxx |  3 +++
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/sfx2/source/view/viewprn.cxx b/sfx2/source/view/viewprn.cxx
index 20e2ac7..5f99161 100644
--- a/sfx2/source/view/viewprn.cxx
+++ b/sfx2/source/view/viewprn.cxx
@@ -671,8 +671,6 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
         bSilent = ( pSilentItem != NULL && pSilentItem->GetValue() );
     }
 
-    //FIXME: how to transport "bPrintOnHelp"?
-
     // no help button in dialogs if called from the help window
     // (pressing help button would exchange the current page inside the help
     // document that is going to be printed!)
@@ -744,6 +742,11 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
                 }
             }
 
+            // we will add the "PrintSelectionOnly" or "HideHelpButton" properties
+            // we have to increase the capacity of aProps
+            sal_Int32 nLen = aProps.getLength();
+            aProps.realloc( nLen + 1 );
+
             // HACK: writer sets the SID_SELECTION item when printing directly and expects
             // to get only the selection document in that case (see getSelectionObject)
             // however it also reacts to the PrintContent property. We need this distinction here, too,
@@ -755,11 +758,15 @@ void SfxViewShell::ExecPrint_Impl( SfxRequest &rReq )
                 SFX_REQUEST_ARG(rReq, pSelectItem, SfxBoolItem, SID_SELECTION, sal_False);
                 sal_Bool bSelection = ( pSelectItem != NULL && pSelectItem->GetValue() );
 
-                sal_Int32 nLen = aProps.getLength();
-                aProps.realloc( nLen + 1 );
                 aProps[nLen].Name = rtl::OUString( "PrintSelectionOnly"  );
                 aProps[nLen].Value = makeAny( bSelection );
             }
+            else // if nId == SID_PRINTDOC ; nothing to do with the previous HACK
+            {
+                // should the printer selection and properties dialogue display an help button
+                aProps[nLen].Name = rtl::OUString( "HideHelpButton" );
+                aProps[nLen].Value = makeAny( bPrintOnHelp );
+            }
 
             ExecPrint( aProps, bIsAPI, (nId == SID_PRINTDOCDIRECT) );
 
diff --git a/vcl/source/window/printdlg.cxx b/vcl/source/window/printdlg.cxx
index d9aa5dd..9c05203 100644
--- a/vcl/source/window/printdlg.cxx
+++ b/vcl/source/window/printdlg.cxx
@@ -902,6 +902,9 @@ PrintDialog::PrintDialog( Window* i_pParent, const boost::shared_ptr<PrinterCont
     // setup dependencies
     checkControlDependencies();
 
+    if ( maPController->getBoolProperty( rtl::OUString( "HideHelpButton" ), sal_False ) )
+        maHelpButton.Hide();
+
     // set initial focus to "Number of copies"
     maJobPage.maCopyCountField.GrabFocus();
     maJobPage.maCopyCountField.SetSelection( Selection(0, 0xFFFF) );
-- 
1.7.11

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