From 2c23a96f7b6888c0e05fdc2aba57f03cd797b647 Mon Sep 17 00:00:00 2001
From: Daniel <danielfaleirosilva@gmail.com>
Date: Tue, 15 May 2018 22:58:38 -0300
Subject: [PATCH] tdf#67905 adds an option to disable print preview in print
 dialog

Change-Id: Id6dd1724a1b8f61d94f0685f63d28b3cff19988f
---
 vcl/inc/printdlg.hxx           |  5 ++-
 vcl/inc/strings.hrc            |  1 +
 vcl/source/window/printdlg.cxx | 64 +++++++++++++++++++++++++++-------
 vcl/uiconfig/ui/printdialog.ui | 16 +++++++++
 4 files changed, 73 insertions(+), 13 deletions(-)

diff --git a/vcl/inc/printdlg.hxx b/vcl/inc/printdlg.hxx
index 077711896bcd..8799c8dba277 100644
--- a/vcl/inc/printdlg.hxx
+++ b/vcl/inc/printdlg.hxx
@@ -181,13 +181,15 @@ namespace vcl
         VclPtr<FixedText>                       mpNumPagesText;
         VclPtr<PushButton>                      mpBackwardBtn;
         VclPtr<PushButton>                      mpForwardBtn;
+        VclPtr<CheckBox>                        mpPreviewBox;
 
         VclPtr<OKButton>                        mpOKButton;
         VclPtr<CancelButton>                    mpCancelButton;
         VclPtr<HelpButton>                      mpHelpButton;
 
         OUString                                maPageStr;
-        OUString const                          maNoPageStr;
+        OUString                                maNoPageStr;
+        OUString                                maNoPreviewStr;
         sal_Int32                               mnCurPage;
         sal_Int32                               mnCachedPages;
 
@@ -247,6 +249,7 @@ namespace vcl
         bool isPrintToFile();
         bool isCollate();
         bool isSingleJobs();
+        bool hasPreview();
 
         void previewForward();
         void previewBackward();
diff --git a/vcl/inc/strings.hrc b/vcl/inc/strings.hrc
index 4b33177c74c1..ab696bd43b3f 100644
--- a/vcl/inc/strings.hrc
+++ b/vcl/inc/strings.hrc
@@ -113,6 +113,7 @@
 #define SV_ACCESSERROR_NO_FONTS                      NC_("SV_ACCESSERROR_NO_FONTS", "No fonts could be found on the system.")
 
 #define SV_PRINT_NOPAGES                             NC_("SV_PRINT_NOPAGES", "No pages")
+#define SV_PRINT_NOPREVIEW                           NC_("SV_PRINT_NOPREVIEW", "Preview is disabled")
 #define SV_PRINT_TOFILE_TXT                          NC_("SV_PRINT_TOFILE_TXT", "Print to File...")
 #define SV_PRINT_DEFPRT_TXT                          NC_("SV_PRINT_DEFPRT_TXT", "Default printer")
 #define SV_PRINT_PRINTPREVIEW_TXT                    NC_("SV_PRINT_PRINTPREVIEW_TXT", "Print preview")
diff --git a/vcl/source/window/printdlg.cxx b/vcl/source/window/printdlg.cxx
index ce0e4b03fa3f..32bc19824d64 100644
--- a/vcl/source/window/printdlg.cxx
+++ b/vcl/source/window/printdlg.cxx
@@ -653,6 +653,7 @@ PrintDialog::PrintDialog( vcl::Window* i_pParent, const std::shared_ptr<PrinterC
     , maJobPage(m_pUIBuilder.get())
     , maOptionsPage(m_pUIBuilder.get())
     , maNoPageStr( VclResId( SV_PRINT_NOPAGES ) )
+    , maNoPreviewStr( VclResId( SV_PRINT_NOPREVIEW ) )
     , mnCurPage( 0 )
     , mnCachedPages( 0 )
     , maPrintToFileText( VclResId( SV_PRINT_TOFILE_TXT ) )
@@ -668,6 +669,7 @@ PrintDialog::PrintDialog( vcl::Window* i_pParent, const std::shared_ptr<PrinterC
     get(mpPageEdit, "pageedit-nospin");
     get(mpTabCtrl, "tabcontrol");
     get(mpPreviewWindow, "preview");
+    get(mpPreviewBox, "previewbox");
 
     // save printbutton text, gets exchanged occasionally with print to file
     maPrintText = mpOKButton->GetText();
@@ -717,9 +719,6 @@ PrintDialog::PrintDialog( vcl::Window* i_pParent, const std::shared_ptr<PrinterC
     // not printing to file
     maPController->resetPrinterOptions( false );
 
-    // get the first page
-    preparePreview( true, true );
-
     // update the text fields for the printer
     updatePrinterText();
 
@@ -750,6 +749,7 @@ PrintDialog::PrintDialog( vcl::Window* i_pParent, const std::shared_ptr<PrinterC
     mpHelpButton->SetClickHdl( LINK( this, PrintDialog, ClickHdl ) );
     mpForwardBtn->SetClickHdl( LINK( this, PrintDialog, ClickHdl ) );
     mpBackwardBtn->SetClickHdl( LINK( this, PrintDialog, ClickHdl ) );
+    mpPreviewBox->SetClickHdl( LINK( this, PrintDialog, ClickHdl ) );
 
     maJobPage.mpCollateBox->SetToggleHdl( LINK( this, PrintDialog, ToggleHdl ) );
     maJobPage.mpSetupButton->SetClickHdl( LINK( this, PrintDialog, ClickHdl ) );
@@ -808,6 +808,7 @@ void PrintDialog::dispose()
     mpNumPagesText.clear();
     mpBackwardBtn.clear();
     mpForwardBtn.clear();
+    mpPreviewBox.clear();
     mpOKButton.clear();
     mpCancelButton.clear();
     mpHelpButton.clear();
@@ -837,6 +838,16 @@ void PrintDialog::readFromSettings()
         }
     }
 
+    aValue = pItem->getValue( "PrintDialog", "HasPreview" );
+    if ( aValue.equalsIgnoreAsciiCase("true") )
+    {
+        mpPreviewBox->Check();
+    }
+    else
+    {
+        mpPreviewBox->Check( false );
+    }
+
     // persistent window state
     OUString aWinState( pItem->getValue( "PrintDialog",
                                               "WindowState" ) );
@@ -867,6 +878,9 @@ void PrintDialog::storeToSettings()
                      "WindowState",
                      OStringToOUString( GetWindowState(), RTL_TEXTENCODING_UTF8 )
                      );
+    pItem->setValue( "PrintDialog",
+                     "HasPreview",
+                     hasPreview() ? OUString("true") : OUString("false") );
     pItem->Commit();
 }
 
@@ -885,7 +899,12 @@ bool PrintDialog::isSingleJobs()
     return maOptionsPage.mpCollateSingleJobsBox->IsChecked();
 }
 
-static void setHelpId( vcl::Window* i_pWindow, const Sequence< OUString >& i_rHelpIds, sal_Int32 i_nIndex )
+bool PrintDialog::hasPreview()
+{
+    return mpPreviewBox->IsChecked();
+}
+
+void setHelpId( vcl::Window* i_pWindow, const Sequence< OUString >& i_rHelpIds, sal_Int32 i_nIndex )
 {
     if( i_nIndex >= 0 && i_nIndex < i_rHelpIds.getLength() )
         i_pWindow->SetHelpId( OUStringToOString( i_rHelpIds.getConstArray()[i_nIndex], RTL_TEXTENCODING_UTF8 ) );
@@ -1370,25 +1389,43 @@ void PrintDialog::setPreviewText()
 
 void PrintDialog::preparePreview( bool i_bNewPage, bool i_bMayUseCache )
 {
+    VclPtr<Printer> aPrt( maPController->getPrinter() );
+    Size aCurPageSize = aPrt->PixelToLogic( aPrt->GetPaperSizePixel(), MapMode( MapUnit::Map100thMM ) );
+    GDIMetaFile aMtf;
+
     // page range may have changed depending on options
     sal_Int32 nPages = maPController->getFilteredPageCount();
     mnCachedPages = nPages;
 
+    mpPageEdit->SetMin( 1 );
+    mpPageEdit->SetMax( nPages );
+
+    setPreviewText();
+
+    if ( !hasPreview() )
+    {
+        mpPreviewWindow->setPreview( aMtf, aCurPageSize,
+                            aPrt->GetPaperName(),
+                            maNoPreviewStr,
+                            aPrt->GetDPIX(), aPrt->GetDPIY(),
+                            aPrt->GetPrinterOptions().IsConvertToGreyscales()
+                            );
+
+        mpForwardBtn->Enable( false );
+        mpBackwardBtn->Enable( false );
+        mpPageEdit->Enable( false );
+
+        return;
+    }
+
     if( mnCurPage >= nPages )
         mnCurPage = nPages-1;
     if( mnCurPage < 0 )
         mnCurPage = 0;
 
-    setPreviewText();
-
-    mpPageEdit->SetMin( 1 );
-    mpPageEdit->SetMax( nPages );
-
     if( i_bNewPage )
     {
         const MapMode aMapMode( MapUnit::Map100thMM );
-        GDIMetaFile aMtf;
-        VclPtr<Printer> aPrt( maPController->getPrinter() );
         if( nPages > 0 )
         {
             PrinterController::PageSize aPageSize =
@@ -1400,7 +1437,6 @@ void PrintDialog::preparePreview( bool i_bNewPage, bool i_bMayUseCache )
             }
         }
 
-        Size aCurPageSize = aPrt->PixelToLogic( aPrt->GetPaperSizePixel(), MapMode( MapUnit::Map100thMM ) );
         mpPreviewWindow->setPreview( aMtf, aCurPageSize,
                                     aPrt->GetPaperName(),
                                     nPages > 0 ? OUString() : maNoPageStr,
@@ -1650,6 +1686,10 @@ IMPL_LINK( PrintDialog, ClickHdl, Button*, pButton, void )
             pHelp->Start( "vcl/ui/printdialog", mpOKButton );
         }
     }
+    else if ( pButton == mpPreviewBox )
+    {
+        preparePreview( true, true );
+    }
     else if( pButton == mpForwardBtn )
     {
         previewForward();
diff --git a/vcl/uiconfig/ui/printdialog.ui b/vcl/uiconfig/ui/printdialog.ui
index d832944052cc..0c1a7c7ab450 100644
--- a/vcl/uiconfig/ui/printdialog.ui
+++ b/vcl/uiconfig/ui/printdialog.ui
@@ -273,6 +273,22 @@
                     <property name="fill">True</property>
                     <property name="position">1</property>
                   </packing>
+                  <child>
+                    <object class="GtkCheckButton" id="previewbox">
+                      <property name="label" translatable="yes" context="printdialog|previewbox">Preview</property>
+                      <property name="visible">True</property>
+                      <property name="can_focus">True</property>
+                      <property name="xalign">0</property>
+                      <property name="halign">center</property>
+                      <property name="margin_left">30</property>
+                      <property name="margin_right">30</property>
+                    </object>
+                    <packing>
+                      <property name="expand">False</property>
+                      <property name="fill">True</property>
+                      <property name="pack_type">end</property>
+                    </packing>
+                  </child>
                 </child>
               </object>
               <packing>