Make sheet window scalable

English.lproj/VLDocument.nib/classes.nib

@@ -1,7 +1,7 @@
 {
     IBClasses = (
         {
-            ACTIONS = {engrave = id; showLog = id; showOutput = id; }; 
+            ACTIONS = {engrave = id; showLog = id; showOutput = id; zoomIn = id; zoomOut = id; }; 
             CLASS = FirstResponder; 
             LANGUAGE = ObjC; 
             SUPERCLASS = NSObject; 
@@ -30,7 +30,14 @@
         {
             CLASS = VLSheetWindow; 
             LANGUAGE = ObjC; 
-            OUTLETS = {logToolItem = id; outputToolItem = id; playToolItem = id; runToolItem = id; }; 
+            OUTLETS = {
+                logToolItem = id; 
+                outputToolItem = id; 
+                playToolItem = id; 
+                runToolItem = id; 
+                zoomInToolItem = id; 
+                zoomOutToolItem = id; 
+            }; 
             SUPERCLASS = NSWindowController; 
         }
     ); 

English.lproj/VLPDFWindow.nib/classes.nib

@@ -1,7 +1,13 @@
 {
     IBClasses = (
         {
-            ACTIONS = {"" = id; }; 
+            ACTIONS = {
+                "" = id; 
+                goToNextPage = id; 
+                goToPreviousPage = id; 
+                zoomIn = id; 
+                zoomOut = id; 
+            }; 
             CLASS = FirstResponder; 
             LANGUAGE = ObjC; 
             SUPERCLASS = NSObject; 

English.lproj/VLPDFWindow.nib/info.nib

@@ -3,15 +3,15 @@
 <plist version="1.0">
 <dict>
 	<key>IBDocumentLocation</key>
-	<string>57 42 356 240 0 0 1024 746 </string>
+	<string>79 46 356 240 0 0 1280 778 </string>
 	<key>IBFramework Version</key>
 	<string>453.0</string>
 	<key>IBOpenObjects</key>
 	<array>
-		<integer>11</integer>
 		<integer>5</integer>
+		<integer>11</integer>
 	</array>
 	<key>IBSystem Version</key>
-	<string>9A294</string>
+	<string>9A300</string>
 </dict>
 </plist>

Sources/VLSheetView.h

@@ -55,6 +55,7 @@ enum VLRecalc {
 @class VLEditable;
 
 @interface VLSheetView : NSView {
+	NSImage **			fMusic;
 	VLRecalc			fNeedsRecalc;
 	char				fClickMode;
 	float				fClefKeyW;

Sources/VLSheetView.mm

@@ -19,8 +19,6 @@
 
 @implementation VLSheetView
 
-static NSImage **	sMusic;
-
 static NSString * sElementNames[kMusicElements] = {
 	@"g-clef",
 	@"flat",
@@ -70,20 +68,18 @@ static float sFlatPos[] = {
 {
     self = [super initWithFrame:frame];
     if (self) {
-		if (!sMusic) {
-			NSBundle * b = [NSBundle mainBundle];
-			sMusic	= new NSImage * [kMusicElements];
-			for (int i=0; i<kMusicElements; ++i) {
-				NSString * name =
-					[b pathForResource:sElementNames[i] ofType:@"eps"
-					   inDirectory:@"Music"];
-				sMusic[i] = [[NSImage alloc] initWithContentsOfFile: name];
-				NSSize sz = [sMusic[i] size];
-				sz.width *= kImgScale;
-				sz.height*= kImgScale;
-				[sMusic[i] setScalesWhenResized:YES];
-				[sMusic[i] setSize:sz];
-			}
+		NSBundle * b = [NSBundle mainBundle];
+		fMusic	= new NSImage * [kMusicElements];
+		for (int i=0; i<kMusicElements; ++i) {
+			NSString * name =
+				[b pathForResource:sElementNames[i] ofType:@"eps"
+				   inDirectory:@"Music"];
+			fMusic[i] = [[NSImage alloc] initByReferencingFile: name];
+			NSSize sz = [fMusic[i] size];
+			sz.width *= kImgScale;
+			sz.height*= kImgScale;
+			[fMusic[i] setScalesWhenResized:YES];
+			[fMusic[i] setSize:sz];
 		}
 		fNeedsRecalc		= kFirstRecalc;
 		fClickMode			= ' ';
@@ -120,7 +116,7 @@ static float sFlatPos[] = {
 
 - (NSImage *) musicElement:(VLMusicElement)elt
 {
-	return sMusic[elt];
+	return fMusic[elt];
 }
 
 - (float) systemY:(int)system
@@ -255,8 +251,10 @@ VLMusicElement sSemi2Accidental[12][12] = {
 	NSScrollView * scroll = [self enclosingScrollView];
 
 	NSSize sz 	=  [scroll contentSize];
+#if 0
 	sz.width   *=	fDisplayScale;
 	sz.height  *= 	fDisplayScale;
+#endif
 
 	const VLSong * 			song = [self song];
 	const VLProperties & 	prop = song->fProperties.front();
@@ -266,7 +264,7 @@ VLMusicElement sSemi2Accidental[12][12] = {
 	fDivPerGroup	= prop.fDivisions * (fQuarterBeats / fGroups);
 	fClefKeyW		= kClefX+kClefW+(std::labs(prop.fKey)+1)*kKeyW;
 	fMeasureW		= fGroups*(fDivPerGroup+1)*kNoteW;
-	fMeasPerSystem	= (int)std::floor((sz.width-fClefKeyW) / fMeasureW);
+	fMeasPerSystem	= std::max<int>(1, std::floor((sz.width-fClefKeyW) / fDisplayScale / fMeasureW));
 	fNumSystems 	= (song->CountMeasures()+fMeasPerSystem-1)/fMeasPerSystem;
 	sz.height		= fNumSystems*kSystemH;
 
@@ -720,21 +718,26 @@ static int8_t sSharpAcc[] = {
 
 - (void) setScaleFactor:(float)scale
 {
+	float ratio = scale/fDisplayScale;
+	for (int i=0; i<kMusicElements; ++i) {
+		NSSize sz = [fMusic[i] size];
+		sz.width *= ratio;
+		sz.height*= ratio;
+		[fMusic[i] setSize:sz];
+	}
 	fDisplayScale= scale;
 	fNeedsRecalc = kRecalc;
 	[self setNeedsDisplay: YES];	
 }
 
-#if 0
 - (IBAction) zoomIn: (id) sender
 {
-	[self setScaleFactor: fDisplayScale * sqrt(2.0)];
+	[self setScaleFactor: fDisplayScale * sqrt(sqrt(2.0))];
 }
 
 - (IBAction) zoomOut: (id) sender
 {
-	[self setScaleFactor: fDisplayScale / sqrt(2.0)];
+	[self setScaleFactor: fDisplayScale / sqrt(sqrt(2.0))];
 }
-#endif
 
 @end

Sources/VLSheetWindow.h

@@ -28,6 +28,8 @@
 	IBOutlet id 	outputToolItem;
 	IBOutlet id 	logToolItem;
 	IBOutlet id		playToolItem;
+	IBOutlet id		zoomInToolItem;
+	IBOutlet id		zoomOutToolItem;
 }
 
 - (VLEditable *) editTarget;

Sources/VLSheetWindow.mm

@@ -47,6 +47,8 @@ static NSString*	sOutputToolbarItemIdentifier 	= @"Output Toolbar Item Identifie
 static NSString*	sLogToolbarItemIdentifier		= @"Log Toolbar Item Identifier";
 static NSString*	sRunToolbarItemIdentifier		= @"Run Toolbar Item Identifier";
 static NSString*	sPlayToolbarItemIdentifier		= @"Play Toolbar Item Identifier";
+static NSString*	sZoomInToolbarItemIdentifier	= @"Zoom In Toolbar Item Identifier";
+static NSString*	sZoomOutToolbarItemIdentifier	= @"Zoom Out Toolbar Item Identifier";
 
 - (id)initWithWindow:(NSWindow *)window
 {
@@ -90,6 +92,10 @@ static NSString*	sPlayToolbarItemIdentifier		= @"Play Toolbar Item Identifier";
 		prototype = runToolItem;
     else if ([itemIdent isEqual: sPlayToolbarItemIdentifier]) 
 		prototype = playToolItem;
+    else if ([itemIdent isEqual: sZoomInToolbarItemIdentifier]) 
+		prototype = zoomInToolItem;
+    else if ([itemIdent isEqual: sZoomOutToolbarItemIdentifier]) 
+		prototype = zoomOutToolItem;
 	
 	if (prototype) {
         toolbarItem = [[[NSToolbarItem alloc] initWithItemIdentifier: itemIdent] autorelease];
@@ -110,6 +116,9 @@ static NSString*	sPlayToolbarItemIdentifier		= @"Play Toolbar Item Identifier";
     return [NSArray arrayWithObjects:	
 						sRunToolbarItemIdentifier, 
 					sPlayToolbarItemIdentifier,
+					NSToolbarSeparatorItemIdentifier,
+					sZoomInToolbarItemIdentifier, 
+					sZoomOutToolbarItemIdentifier, 
 					NSToolbarFlexibleSpaceItemIdentifier, 
 					sOutputToolbarItemIdentifier, 
 					sLogToolbarItemIdentifier, nil];
@@ -119,6 +128,8 @@ static NSString*	sPlayToolbarItemIdentifier		= @"Play Toolbar Item Identifier";
     return [NSArray arrayWithObjects: 	
 						sRunToolbarItemIdentifier, 
 					sPlayToolbarItemIdentifier,
+					sZoomInToolbarItemIdentifier, 
+					sZoomOutToolbarItemIdentifier, 
 					sOutputToolbarItemIdentifier, 
 					sLogToolbarItemIdentifier, 
 					NSToolbarCustomizeToolbarItemIdentifier,