minor tidying up and removal of a few compiler warnings

src/audio/audio_file_formats/juce_AudioThumbnail.h

@@ -66,7 +66,9 @@ public:
     /** Creates an audio thumbnail.
 
         @param sourceSamplesPerThumbnailSample  when creating a stored, low-res version
-                        of the audio data, this is the scale at which it should be done
+                        of the audio data, this is the scale at which it should be done. (This
+                        number is the number of original samples that will be averaged for each
+                        low-res sample)
         @param formatManagerToUse   the audio format manager that is used to open the file
         @param cacheToUse   an instance of an AudioThumbnailCache - this provides a background
                             thread and storage that is used to by the thumbnail, and the cache
@@ -113,7 +115,7 @@ public:
     */
     int getNumChannels() const throw();
 
-    /** Returns the length of the audio file.
+    /** Returns the length of the audio file, in seconds.
     */
     double getTotalLength() const throw();
 
@@ -129,8 +131,8 @@ public:
     */
     void drawChannel (Graphics& g,
                       int x, int y, int w, int h,
-                      double startTime,
-                      double endTime,
+                      double startTimeSeconds,
+                      double endTimeSeconds,
                       int channelNum,
                       const float verticalZoomFactor);
 

src/gui/graphics/drawables/juce_DrawablePath.cpp

@@ -371,7 +371,7 @@ bool DrawablePath::readXml (const XmlElement& xml)
 
     const String jointStyle (xml.getStringAttribute (T("jointStyle"), String::empty));
     const String endStyle (xml.getStringAttribute (T("capStyle"), String::empty));
-    strokeType = PathStrokeType (xml.getDoubleAttribute (T("strokeWidth"), 0.0),
+    strokeType = PathStrokeType ((float) xml.getDoubleAttribute (T("strokeWidth"), 0.0),
                                  jointStyle.equalsIgnoreCase (T("curved")) ? PathStrokeType::curved
                                                                            : (jointStyle.equalsIgnoreCase (T("bevel")) ? PathStrokeType::beveled
                                                                                                                        : PathStrokeType::mitered),

src/native/mac/juce_mac_FileChooser.mm

@@ -33,7 +33,11 @@ using namespace JUCE_NAMESPACE;
 
 #define JuceFileChooserDelegate MakeObjCClassName(JuceFileChooserDelegate)
 
+#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+@interface JuceFileChooserDelegate   : NSObject <NSOpenSavePanelDelegate>
+#else
 @interface JuceFileChooserDelegate   : NSObject
+#endif
 {
     StringArray* filters;
 }

src/native/mac/juce_mac_Files.mm

@@ -151,9 +151,15 @@ bool juce_copyFile (const String& src, const String& dst) throw()
     NSFileManager* fm = [NSFileManager defaultManager];
 
     return [fm fileExistsAtPath: juceStringToNS (src)]
+#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+            && [fm copyItemAtPath: juceStringToNS (src)
+                           toPath: juceStringToNS (dst)
+                            error: nil];
+#else
             && [fm copyPath: juceStringToNS (src)
                      toPath: juceStringToNS (dst)
                     handler: nil];
+#endif
 }
 
 const StringArray juce_getFileSystemRoots() throw()

src/native/mac/juce_mac_MainMenu.mm

@@ -35,7 +35,11 @@ using namespace JUCE_NAMESPACE;
 
 #define JuceMenuCallback MakeObjCClassName(JuceMenuCallback)
 
+#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+@interface JuceMenuCallback  : NSObject <NSMenuDelegate>
+#else
 @interface JuceMenuCallback  : NSObject
+#endif
 {
     JuceMainMenuHandler* owner;
 }

src/native/mac/juce_mac_MiscUtilities.mm

@@ -149,7 +149,9 @@ void Desktop::setMousePosition (int x, int y) throw()
     // this rubbish needs to be done around the warp call, to avoid causing a
     // bizarre glitch..
     CGAssociateMouseAndMouseCursorPosition (false);
+#if (! defined (MAC_OS_X_VERSION_10_6)) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_6
     CGSetLocalEventsSuppressionInterval (0);
+#endif
 
     CGPoint pos = { x, y };
     CGWarpMouseCursorPosition (pos);
@@ -215,8 +217,13 @@ void Desktop::setScreenSaverEnabled (const bool isEnabled) throw()
     {
         if (screenSaverDisablerID == 0)
         {
-            IOPMAssertionCreate (kIOPMAssertionTypeNoIdleSleep,
-                                 kIOPMAssertionLevelOn, &screenSaverDisablerID);
+#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+            IOPMAssertionCreateWithName (kIOPMAssertionTypeNoIdleSleep, kIOPMAssertionLevelOn,
+                                         CFSTR ("Juce"), &screenSaverDisablerID);
+#else
+            IOPMAssertionCreate (kIOPMAssertionTypeNoIdleSleep, kIOPMAssertionLevelOn,
+                                 &screenSaverDisablerID);
+#endif
         }
     }
 }

src/native/mac/juce_mac_NSViewComponentPeer.mm

@@ -91,7 +91,11 @@ END_JUCE_NAMESPACE
 //==============================================================================
 #define JuceNSWindow MakeObjCClassName(JuceNSWindow)
 
+#if defined (MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+@interface JuceNSWindow : NSWindow <NSWindowDelegate>
+#else
 @interface JuceNSWindow : NSWindow
+#endif
 {
 @private
     NSViewComponentPeer* owner;