applnk : lazy loading of mime type icons (load only when needed)

resource.cpp : print warning when requested image cannot be found
        and print the name of that image too

1 files changed, 9 insertions, 4 deletions

diff --git a/library/resource.cpp b/library/resource.cpp
index cfa0d26..b31876f 100644
--- a/library/resource.cpp
+++ b/library/resource.cpp
@@ -50,31 +50,37 @@ static bool g_notUseSet = ::getenv("OVERWRITE_ICON_SET");
   \ingroup qtopiaemb
 */
 
 /*!
   \fn Resource::Resource()
   \internal
 */
 
 /*!
   Returns the QPixmap called \a pix. You should avoid including
   any filename type extension (e.g. .png, .xpm).
 */
+#include <stdio.h>
 QPixmap Resource::loadPixmap( const QString &pix )
 {
-    QPixmap pm;
+    QPixmap pm; // null pixmap
     QString key="QPE_"+pix;
     if ( !QPixmapCache::find(key,pm) ) {
-        pm.convertFromImage(loadImage(pix));
-        QPixmapCache::insert(key,pm);
+        QImage I = loadImage(pix);
+        if( I.isNull() ) {
+          qWarning( "Could not load %s", pix.latin1() );
+        } else {
+          pm.convertFromImage(I);
+          QPixmapCache::insert(key,pm);
+        }
     }
     return pm;
 }
 
 /*!
   Returns the QBitmap called \a pix. You should avoid including
   any filename type extension (e.g. .png, .xpm).
 */
 QBitmap Resource::loadBitmap( const QString &pix )
 {
     QBitmap bm;
     bm = loadPixmap(pix);
@@ -92,25 +98,24 @@ QString Resource::findPixmap( const QString &pix )
     QString picsPath = QPEApplication::qpeDir() + "pics/";
 
     QString f;
 
     // Common case optimizations...
     f = picsPath + pix + ".png";
     if ( QFile( f ).exists() )
         return f;
     f = picsPath + pix + ".xpm";
     if ( QFile( f ).exists() )
         return f;
 
-
     // All formats...
     QStrList fileFormats = QImageIO::inputFormats();
     QString ff = fileFormats.first();
     while ( fileFormats.current() ) {
         QStringList exts = MimeType("image/"+ff.lower()).extensions();
         for ( QStringList::ConstIterator it = exts.begin(); it!=exts.end(); ++it ) {
             QString f = picsPath + pix + "." + *it;
             if ( QFile(f).exists() )
                 return f;
         }
         ff = fileFormats.next();
     }