Suppress several warnings

Signed-off-by: Alexander Golubev <fatzer2@gmail.com>

src/gvcore/filedetailview.cpp

@@ -306,13 +306,13 @@ void FileDetailView::slotSortingChanged( int col )
 
 	switch( col ) {
 	case COL_NAME:
-		sortSpec = (sort & ~TQDir::SortByMask | TQDir::Name);
+		sortSpec = ((sort & ~TQDir::SortByMask) | TQDir::Name);
 		break;
 	case COL_SIZE:
-		sortSpec = (sort & ~TQDir::SortByMask | TQDir::Size);
+		sortSpec = ((sort & ~TQDir::SortByMask) | TQDir::Size);
 		break;
 	case COL_DATE:
-		sortSpec = (sort & ~TQDir::SortByMask | TQDir::Time);
+		sortSpec = ((sort & ~TQDir::SortByMask) | TQDir::Time);
 		break;
 
 	// the following columns have no equivalent in TQDir, so we set it

src/gvcore/filethumbnailviewitem.cpp

@@ -319,13 +319,11 @@ void FileThumbnailViewItem::paintItem(TQPainter *p, const TQColorGroup &cg) {
 	bool isRight=view->itemTextPos()==TQIconView::Right;
 	bool isShownItem=view->shownFileItem() && view->shownFileItem()->extraData(view)==this;
 	bool isImage=!Archive::fileItemIsDirOrArchive(mFileItem);
-	int textX, textY, textW, textH;
+	int textX, textY;
 	int thumbnailSize=FileViewConfig::thumbnailSize();
 
 	textX=textRect(false).x();
 	textY=textRect(false).y();
-	textW=textRect(false).width();
-	textH=textRect(false).height();
 
 	// Draw pixmap
 	TQRect pRect = pixmapRect(false);

src/gvcore/mngformattype.cpp

@@ -293,34 +293,35 @@ TQImageFormat* MNGFormatType::decoderFor( const uchar* buffer, int length )
 {
     if (length < 8) return 0;
 
-    if (buffer[0]==138 // MNG signature
+    if (  (   buffer[0]==138 // MNG signature
-     && buffer[1]=='M'
+           && buffer[1]=='M'
-     && buffer[2]=='N'
+           && buffer[2]=='N'
-     && buffer[3]=='G'
+           && buffer[3]=='G'
-     && buffer[4]==13
+           && buffer[4]==13
-     && buffer[5]==10
+           && buffer[5]==10
-     && buffer[6]==26
+           && buffer[6]==26
-     && buffer[7]==10
+           && buffer[7]==10 )
-     || buffer[0]==139 // JNG signature
+       || (   buffer[0]==139 // JNG signature
-     && buffer[1]=='J'
+           && buffer[1]=='J'
-     && buffer[2]=='N'
+           && buffer[2]=='N'
-     && buffer[3]=='G'
+           && buffer[3]=='G'
-     && buffer[4]==13
+           && buffer[4]==13
-     && buffer[5]==10
+           && buffer[5]==10
-     && buffer[6]==26
+           && buffer[6]==26
-     && buffer[7]==10
+           && buffer[7]==10 )
 #ifdef TQT_NO_IMAGEIO_PNG // if we don't have native PNG support use libmng
-     || buffer[0]==137 // PNG signature
+       || (   buffer[0]==137 // PNG signature
-     && buffer[1]=='P'
+           && buffer[1]=='P'
-     && buffer[2]=='N'
+           && buffer[2]=='N'
-     && buffer[3]=='G'
+           && buffer[3]=='G'
-     && buffer[4]==13
+           && buffer[4]==13
-     && buffer[5]==10
+           && buffer[5]==10
-     && buffer[6]==26
+           && buffer[6]==26
-     && buffer[7]==10
+           && buffer[7]==10 )
 #endif
-    )
+    ) {
-	return new MNGFormat;
+        return new MNGFormat;
+    }
     return 0;
 }
 

src/gvcore/qxcfi.cpp

@@ -530,7 +530,7 @@ void XCFImageFormat::initializeImage ( XCFImage& xcf_image )
       image.fill( tqRgb( 255, 255, 255 ) );
       break;
     } // else, fall through to 32-bit representation
-
+      // fall through
   case RGBA_GIMAGE:
     image.create( xcf_image.width, xcf_image.height, 32 );
     image.fill( tqRgba( 255, 255, 255, 0 ) );
@@ -546,7 +546,7 @@ void XCFImageFormat::initializeImage ( XCFImage& xcf_image )
       image.fill( 255 );
       break;
     } // else, fall through to 32-bit representation
-
+      // fall through
   case GRAYA_GIMAGE:
     image.create( xcf_image.width, xcf_image.height, 32 );
     image.fill( tqRgba( 255, 255, 255, 0 ) );

src/gvcore/slideshow.cpp

@@ -20,6 +20,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 // STL
 #include <algorithm>
+#include <random>
 
 // TQt
 #include <tqtimer.h>
@@ -82,7 +83,8 @@ void SlideShow::start(const KURL::List& urls) {
 	mURLs.resize(urls.size());
 	tqCopy(urls.begin(), urls.end(), mURLs.begin());
 	if (SlideShowConfig::random()) {
-		std::random_shuffle(mURLs.begin(), mURLs.end());
+		std::random_device rd;
+		std::shuffle(mURLs.begin(), mURLs.end(), std::mt19937(rd()));
 	}
 
 	mStartIt=tqFind(mURLs.begin(), mURLs.end(), mDocument->url());

src/imageutils/jpegcontent.cpp

@@ -195,7 +195,6 @@ struct JPEGContent::Private {
 	}
 	bool readSize() {
 		struct jpeg_decompress_struct srcinfo;
-		jpeg_saved_marker_ptr mark;
 		
 		// Init JPEG structs 
 		JPEGErrorManager errorManager;

src/imageutils/transupp.c

@@ -2329,6 +2329,7 @@ jtransform_adjust_parameters (j_decompress_ptr srcinfo,
 			      jvirt_barray_ptr *src_coef_arrays,
 			      jpeg_transform_info *info)
 {
+  (void) srcinfo; /* unused */
   /* If force-to-grayscale is requested, adjust destination parameters */
   if (info->force_grayscale) {
     /* We use jpeg_set_colorspace to make sure subsidiary settings get fixed
@@ -2455,6 +2456,8 @@ jtransform_execute_transformation (j_decompress_ptr srcinfo,
 GLOBAL(void)
 jcopy_markers_setup (j_decompress_ptr srcinfo, JCOPY_OPTION option)
 {
+  (void) srcinfo; /* maybe unused */
+  (void) option;  /* maybe unused */
 #ifdef SAVE_MARKERS_SUPPORTED
   int m;
 
@@ -2481,6 +2484,7 @@ GLOBAL(void)
 jcopy_markers_execute (j_decompress_ptr srcinfo, j_compress_ptr dstinfo,
 		       JCOPY_OPTION option)
 {
+  (void) option; /* unused */
   jpeg_saved_marker_ptr marker;
 
   /* In the current implementation, we don't actually need to examine the