startcenter: Start center shows a welcome text when recent doc list is empty

The image I got from TDF wiki.

I tried to show the text semitransparent also, but set font color
with any alpha degree (eg. setTransparency(254) ) made it invisible.
Maybe just a gray shade?

Change-Id: Iaf7efb8433e9db03862825148ed2013588a5468f
Signed-off-by: Rodolfo Ribeiro Gomes <rodolforg@gmail.com>

include/sfx2/recentdocsview.hxx

@@ -61,6 +61,7 @@ protected:
     virtual void MouseButtonDown( const MouseEvent& rMEvt );
     virtual void OnItemDblClicked(ThumbnailViewItem *pItem);
     void OpenItem( const ThumbnailViewItem *pItem );
+    virtual void Paint( const Rectangle& rRect );
 
     bool isAcceptedFile(const OUString &rURL) const;
 

sfx2/source/control/recentdocsview.cxx

@@ -30,6 +30,7 @@
 #include <com/sun/star/util/URLTransformer.hpp>
 #include <com/sun/star/frame/Desktop.hpp>
 #include <com/sun/star/frame/XFrame.hpp>
+#include <templateview.hrc>
 
 using namespace ::com::sun::star;
 using namespace com::sun::star::uno;
@@ -241,6 +242,32 @@ void RecentDocsView::OpenItem( const ThumbnailViewItem *pItem )
     }
 }
 
+void RecentDocsView::Paint( const Rectangle &aRect )
+{
+    if ( mItemList.size() == 0 )
+    {
+        // No recent files to be shown yet. Show a welcome screen.
+        Image aImg(SfxResId(IMG_WELCOME));
+        OUString aStr(SfxResId(STR_WELCOME));
+        Font aOldFont(GetFont());
+        Font aNewFont(aOldFont);
+        aNewFont.SetHeight(20);
+        SetFont(aNewFont);
+        long nTextWidth = GetTextWidth(aStr);
+        long nTextHeight = GetTextHeight();
+        const Size & rImgSize = aImg.GetSizePixel();
+        const Size & rScreenSize = GetSizePixel();
+        const int nX = (rScreenSize.Width() - rImgSize.Width())/2;
+        const int nY = (rScreenSize.Height() - nTextHeight*1.5 - rImgSize.Height())/2;
+        Point aImgPoint(nX, nY);
+        DrawImage(aImgPoint, rImgSize, aImg, IMAGE_DRAW_SEMITRANSPARENT);
+        Point aStrPoint((rScreenSize.Width() - nTextWidth)/2, nY + rImgSize.Height() + nTextHeight/2);
+        DrawText(aStrPoint, aStr);
+        SetFont(aOldFont);
+    }
+    ThumbnailView::Paint(aRect);
+}
+
 void RecentDocsView::SetThumbnailSize(long thumbnailSize)
 {
     mnItemMaxSize = thumbnailSize;

sfx2/source/control/templateview.hrc

@@ -10,5 +10,7 @@
 #define BTN_ALL_TEMPLATES       256
 #define CONTROL_BUTTONS         257
 #define FT_NAME                 258
+#define STR_WELCOME             259
+#define IMG_WELCOME             260
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sfx2/source/control/templateview.src

@@ -23,4 +23,14 @@ FixedText FT_NAME
     Size = MAP_APPFONT( 238, 12 );
 };
 
+String STR_WELCOME
+{
+    Text [ en-US ] = "Welcome! You can open or create a new document!";
+};
+
+Image IMG_WELCOME
+{
+    ImageBitmap = Bitmap { File = "logo.png" ; };
+};
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */