A blog where I will write mostly about programming in Cocoa and CoreMIDI, and experiences from my ports of Emacs and XEmacs to the Mac OS.

Getting Patch Names in CoreMIDI

Monday December 15, 2003

Now that I have written MidnamUtility to generate .midnam files and NameConfigSetup to edit the CoreMIDI name configuration, I’m all set to use patch names in my MIDI applications! Today’s test program PatchNameTest lists the patch names in each patch bank of each external device. It honors overriding name documents if they are assigned and uses the chosen patch name lists in them instead of the overridden ones in the master name document.

I assume no one is using FCBlog, since I haven’t received any feedback. But there is a bug which will manifest itself in January. I all of a sudden realize it’s there today :-). The following patch fixes it.

--- main.m.orig Mon Dec 15 21:46:38 2003
+++ main.m      Mon Dec 15 08:38:12 2003
@@ -30,7 +30,8 @@
   /* Note that date parameter is always a Sunday.  */
   NSCalendarDate *d = date;
   int month = [d monthOfYear];
-  while ([d monthOfYear] >= month)
+  int year = [d yearOfCommonEra];
+  while ([d monthOfYear] >= month && [d yearOfCommonEra] == year)
     d = [d dateByAddingYears:0 months:0 days:-7 hours:0 minutes:0 seconds:0];
   /* Use this value when the search fails */
   previousMonth = [d descriptionWithCalendarFormat:@"%b"];

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