Inverse shift+click sorting for custom queries

Add inverse sorting for custom queries
Keep the inverse order while shift+clicking after the first click

1 files changed, 16 insertions, 4 deletions

diff --git a/Source/SPCustomQuery.m b/Source/SPCustomQuery.m
index 4b20af0b..8a2031f1 100644
--- a/Source/SPCustomQuery.m
+++ b/Source/SPCustomQuery.m
@@ -2141,19 +2141,31 @@
 
 	NSMutableString *queryString = [NSMutableString stringWithString:lastExecutedQuery];
 
+    NSUInteger modifierFlags = [[NSApp currentEvent] modifierFlags];
+    
 	// Sets column order as tri-state descending, ascending, no sort, descending, ascending etc. order if the same
 	// header is clicked several times
 	if (sortField && [[tableColumn identifier] integerValue] == [sortField integerValue]) {
-		if(isDesc) {
+        BOOL invert = NO;
+        if (modifierFlags & NSShiftKeyMask) {
+            invert = YES;
+        }
+        
+        // this is the same as saying (isDesc && !invert) || (!isDesc && invert)
+        if (isDesc != invert) {
 			[sortField release];
 			sortField = nil;
 		} else {
-			if (sortField) [sortField release];
-			sortField = [[NSNumber alloc] initWithInteger:[[tableColumn identifier] integerValue]];
 			isDesc = !isDesc;
 		}
 	} else {
-		isDesc = NO;
+        // When the column is not sorted, allow to sort in reverse order using Shift+click
+        if (modifierFlags & NSShiftKeyMask) {
+            isDesc = YES;
+        } else {
+            isDesc = NO;
+        }
+        
 		[[customQueryView onMainThread] setIndicatorImage:nil inTableColumn:[customQueryView tableColumnWithIdentifier:[NSString stringWithFormat:@"%lld", (long long)[sortField integerValue]]]];
 		if (sortField) [sortField release];
 		sortField = [[NSNumber alloc] initWithInteger:[[tableColumn identifier] integerValue]];