Add RSTextDrawing framework.

Evergreen.xcodeproj/project.pbxproj

@@ -26,6 +26,8 @@
 		84B06FEA1ED3803A00F0B54B /* RSFeedFinder.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 84B06FE61ED3803200F0B54B /* RSFeedFinder.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		84B06FFD1ED3818D00F0B54B /* RSTree.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 84B06FFA1ED3818000F0B54B /* RSTree.framework */; };
 		84B06FFE1ED3818D00F0B54B /* RSTree.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 84B06FFA1ED3818000F0B54B /* RSTree.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
+		84B0700A1ED3822600F0B54B /* RSTextDrawing.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 84B070071ED3821900F0B54B /* RSTextDrawing.framework */; };
+		84B0700B1ED3822600F0B54B /* RSTextDrawing.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 84B070071ED3821900F0B54B /* RSTextDrawing.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -211,6 +213,27 @@
 			remoteGlobalIDString = 842A0BE01CFCB9BC00BF746C;
 			remoteInfo = RSTree;
 		};
+		84B070061ED3821900F0B54B /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 84B070011ED3821800F0B54B /* RSTextDrawing.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = 8439D9FB1C8937C800E5E4B4;
+			remoteInfo = RSTextDrawing;
+		};
+		84B070081ED3821900F0B54B /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 84B070011ED3821800F0B54B /* RSTextDrawing.xcodeproj */;
+			proxyType = 2;
+			remoteGlobalIDString = 8439DA051C8937C800E5E4B4;
+			remoteInfo = RSTextDrawingTests;
+		};
+		84B0700C1ED3822600F0B54B /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 84B070011ED3821800F0B54B /* RSTextDrawing.xcodeproj */;
+			proxyType = 1;
+			remoteGlobalIDString = 8439D9FA1C8937C800E5E4B4;
+			remoteInfo = RSTextDrawing;
+		};
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -221,6 +244,7 @@
 			dstSubfolderSpec = 10;
 			files = (
 				84B06FB31ED37DBD00F0B54B /* RSDatabase.framework in Embed Frameworks */,
+				84B0700B1ED3822600F0B54B /* RSTextDrawing.framework in Embed Frameworks */,
 				84B06FEA1ED3803A00F0B54B /* RSFeedFinder.framework in Embed Frameworks */,
 				84B06FFE1ED3818D00F0B54B /* RSTree.framework in Embed Frameworks */,
 				84B06FAF1ED37DBD00F0B54B /* RSCore.framework in Embed Frameworks */,
@@ -250,6 +274,7 @@
 		84B06FC61ED37F7200F0B54B /* DB5.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = DB5.xcodeproj; path = Frameworks/DB5/DB5.xcodeproj; sourceTree = "<group>"; };
 		84B06FE01ED3803200F0B54B /* RSFeedFinder.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RSFeedFinder.xcodeproj; path = Frameworks/RSFeedFinder/RSFeedFinder.xcodeproj; sourceTree = "<group>"; };
 		84B06FF41ED3818000F0B54B /* RSTree.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RSTree.xcodeproj; path = Frameworks/RSTree/RSTree.xcodeproj; sourceTree = "<group>"; };
+		84B070011ED3821800F0B54B /* RSTextDrawing.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RSTextDrawing.xcodeproj; path = Frameworks/RSTextDrawing/RSTextDrawing.xcodeproj; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -258,6 +283,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				84B06FB21ED37DBD00F0B54B /* RSDatabase.framework in Frameworks */,
+				84B0700A1ED3822600F0B54B /* RSTextDrawing.framework in Frameworks */,
 				84B06FE91ED3803A00F0B54B /* RSFeedFinder.framework in Frameworks */,
 				84B06FFD1ED3818D00F0B54B /* RSTree.framework in Frameworks */,
 				84B06FAE1ED37DBD00F0B54B /* RSCore.framework in Frameworks */,
@@ -291,6 +317,7 @@
 				84B06FA21ED37DAC00F0B54B /* RSCore.xcodeproj */,
 				84B06F961ED37DA000F0B54B /* RSDatabase.xcodeproj */,
 				84B06FE01ED3803200F0B54B /* RSFeedFinder.xcodeproj */,
+				84B070011ED3821800F0B54B /* RSTextDrawing.xcodeproj */,
 				84B06FF41ED3818000F0B54B /* RSTree.xcodeproj */,
 				84B06FB61ED37E8B00F0B54B /* RSWeb.xcodeproj */,
 				84B06F761ED37BCA00F0B54B /* RSXML.xcodeproj */,
@@ -382,6 +409,15 @@
 			name = Products;
 			sourceTree = "<group>";
 		};
+		84B070021ED3821800F0B54B /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				84B070071ED3821900F0B54B /* RSTextDrawing.framework */,
+				84B070091ED3821900F0B54B /* RSTextDrawingTests.xctest */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -404,6 +440,7 @@
 				84B06FD21ED37F7D00F0B54B /* PBXTargetDependency */,
 				84B06FEC1ED3803A00F0B54B /* PBXTargetDependency */,
 				84B070001ED3818D00F0B54B /* PBXTargetDependency */,
+				84B0700D1ED3822600F0B54B /* PBXTargetDependency */,
 			);
 			name = Evergreen;
 			productName = Evergreen;
@@ -479,6 +516,10 @@
 					ProductGroup = 84B06FE11ED3803200F0B54B /* Products */;
 					ProjectRef = 84B06FE01ED3803200F0B54B /* RSFeedFinder.xcodeproj */;
 				},
+				{
+					ProductGroup = 84B070021ED3821800F0B54B /* Products */;
+					ProjectRef = 84B070011ED3821800F0B54B /* RSTextDrawing.xcodeproj */;
+				},
 				{
 					ProductGroup = 84B06FF51ED3818000F0B54B /* Products */;
 					ProjectRef = 84B06FF41ED3818000F0B54B /* RSTree.xcodeproj */;
@@ -627,6 +668,20 @@
 			remoteRef = 84B06FFB1ED3818000F0B54B /* PBXContainerItemProxy */;
 			sourceTree = BUILT_PRODUCTS_DIR;
 		};
+		84B070071ED3821900F0B54B /* RSTextDrawing.framework */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.framework;
+			path = RSTextDrawing.framework;
+			remoteRef = 84B070061ED3821900F0B54B /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
+		84B070091ED3821900F0B54B /* RSTextDrawingTests.xctest */ = {
+			isa = PBXReferenceProxy;
+			fileType = wrapper.cfbundle;
+			path = RSTextDrawingTests.xctest;
+			remoteRef = 84B070081ED3821900F0B54B /* PBXContainerItemProxy */;
+			sourceTree = BUILT_PRODUCTS_DIR;
+		};
 /* End PBXReferenceProxy section */
 
 /* Begin PBXResourcesBuildPhase section */
@@ -709,6 +764,11 @@
 			name = RSTree;
 			targetProxy = 84B06FFF1ED3818D00F0B54B /* PBXContainerItemProxy */;
 		};
+		84B0700D1ED3822600F0B54B /* PBXTargetDependency */ = {
+			isa = PBXTargetDependency;
+			name = RSTextDrawing;
+			targetProxy = 84B0700C1ED3822600F0B54B /* PBXContainerItemProxy */;
+		};
 /* End PBXTargetDependency section */
 
 /* Begin PBXVariantGroup section */

Frameworks/RSTextDrawing/RSTextDrawing.xcodeproj/project.pbxproj

@@ -0,0 +1,444 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
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+		84193AB41CF4EEEB00EAC812 /* RSMultiLineRendererMeasurements.m in Sources */ = {isa = PBXBuildFile; fileRef = 84193AB21CF4EEEB00EAC812 /* RSMultiLineRendererMeasurements.m */; };
+		8439D9FF1C8937C800E5E4B4 /* RSTextDrawing.h in Headers */ = {isa = PBXBuildFile; fileRef = 8439D9FE1C8937C800E5E4B4 /* RSTextDrawing.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		8439DA061C8937C800E5E4B4 /* RSTextDrawing.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 8439D9FB1C8937C800E5E4B4 /* RSTextDrawing.framework */; };
+		8439DA0B1C8937C800E5E4B4 /* RSTextDrawingTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 8439DA0A1C8937C800E5E4B4 /* RSTextDrawingTests.m */; };
+		846416401C8938210064C661 /* RSSingleLineRenderer.h in Headers */ = {isa = PBXBuildFile; fileRef = 8464163E1C8938210064C661 /* RSSingleLineRenderer.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		846416411C8938210064C661 /* RSSingleLineRenderer.m in Sources */ = {isa = PBXBuildFile; fileRef = 8464163F1C8938210064C661 /* RSSingleLineRenderer.m */; };
+		84B717761CF9629000FF029D /* RSSingleLineView.h in Headers */ = {isa = PBXBuildFile; fileRef = 84B717741CF9629000FF029D /* RSSingleLineView.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		84B717771CF9629000FF029D /* RSSingleLineView.m in Sources */ = {isa = PBXBuildFile; fileRef = 84B717751CF9629000FF029D /* RSSingleLineView.m */; };
+		84B7177B1CF9665100FF029D /* RSMultiLineView.h in Headers */ = {isa = PBXBuildFile; fileRef = 84B717791CF9665100FF029D /* RSMultiLineView.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		84B7177C1CF9665100FF029D /* RSMultiLineView.m in Sources */ = {isa = PBXBuildFile; fileRef = 84B7177A1CF9665100FF029D /* RSMultiLineView.m */; };
+		84B7177D1CF9834700FF029D /* RSMultiLineRenderer.m in Sources */ = {isa = PBXBuildFile; fileRef = 846416431C8938470064C661 /* RSMultiLineRenderer.m */; };
+		84B7177E1CF9834A00FF029D /* RSMultiLineRenderer.h in Headers */ = {isa = PBXBuildFile; fileRef = 846416421C8938470064C661 /* RSMultiLineRenderer.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		84BA010F1C8D20C60029943B /* RSTextRendererProtocol.h in Headers */ = {isa = PBXBuildFile; fileRef = 84BA010D1C8D20C60029943B /* RSTextRendererProtocol.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		84E697E41C8E6C01009C585A /* RSCore.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 84E697E31C8E6C01009C585A /* RSCore.framework */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXContainerItemProxy section */
+		8439DA071C8937C800E5E4B4 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
+			containerPortal = 8439D9F21C8937C800E5E4B4 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 8439D9FA1C8937C800E5E4B4;
+			remoteInfo = RSTextDrawing;
+		};
+/* End PBXContainerItemProxy section */
+
+/* Begin PBXFileReference section */
+		84193AB11CF4EEEB00EAC812 /* RSMultiLineRendererMeasurements.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = RSMultiLineRendererMeasurements.h; path = RSTextDrawing/RSMultiLineRendererMeasurements.h; sourceTree = "<group>"; };
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+		84E697E31C8E6C01009C585A /* RSCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = RSCore.framework; path = ../RSCore/build/Debug/RSCore.framework; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		8439D9F71C8937C800E5E4B4 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				84E697E41C8E6C01009C585A /* RSCore.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+		8439DA021C8937C800E5E4B4 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				8439DA061C8937C800E5E4B4 /* RSTextDrawing.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		8439D9F11C8937C800E5E4B4 = {
+			isa = PBXGroup;
+			children = (
+				8439D9FE1C8937C800E5E4B4 /* RSTextDrawing.h */,
+				84B717741CF9629000FF029D /* RSSingleLineView.h */,
+				84B717751CF9629000FF029D /* RSSingleLineView.m */,
+				84B717791CF9665100FF029D /* RSMultiLineView.h */,
+				84B7177A1CF9665100FF029D /* RSMultiLineView.m */,
+				84BA010D1C8D20C60029943B /* RSTextRendererProtocol.h */,
+				8464163E1C8938210064C661 /* RSSingleLineRenderer.h */,
+				8464163F1C8938210064C661 /* RSSingleLineRenderer.m */,
+				846416421C8938470064C661 /* RSMultiLineRenderer.h */,
+				846416431C8938470064C661 /* RSMultiLineRenderer.m */,
+				84193AB11CF4EEEB00EAC812 /* RSMultiLineRendererMeasurements.h */,
+				84193AB21CF4EEEB00EAC812 /* RSMultiLineRendererMeasurements.m */,
+				8439DA001C8937C800E5E4B4 /* Info.plist */,
+				8439DA091C8937C800E5E4B4 /* RSTextDrawingTests */,
+				8439D9FC1C8937C800E5E4B4 /* Products */,
+				84E697E31C8E6C01009C585A /* RSCore.framework */,
+			);
+			sourceTree = "<group>";
+		};
+		8439D9FC1C8937C800E5E4B4 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				8439D9FB1C8937C800E5E4B4 /* RSTextDrawing.framework */,
+				8439DA051C8937C800E5E4B4 /* RSTextDrawingTests.xctest */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		8439DA091C8937C800E5E4B4 /* RSTextDrawingTests */ = {
+			isa = PBXGroup;
+			children = (
+				8439DA0A1C8937C800E5E4B4 /* RSTextDrawingTests.m */,
+				8439DA0C1C8937C800E5E4B4 /* Info.plist */,
+			);
+			path = RSTextDrawingTests;
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXHeadersBuildPhase section */
+		8439D9F81C8937C800E5E4B4 /* Headers */ = {
+			isa = PBXHeadersBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				8439D9FF1C8937C800E5E4B4 /* RSTextDrawing.h in Headers */,
+				84B717761CF9629000FF029D /* RSSingleLineView.h in Headers */,
+				84B7177E1CF9834A00FF029D /* RSMultiLineRenderer.h in Headers */,
+				84BA010F1C8D20C60029943B /* RSTextRendererProtocol.h in Headers */,
+				84193AB31CF4EEEB00EAC812 /* RSMultiLineRendererMeasurements.h in Headers */,
+				84B7177B1CF9665100FF029D /* RSMultiLineView.h in Headers */,
+				846416401C8938210064C661 /* RSSingleLineRenderer.h in Headers */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXHeadersBuildPhase section */
+
+/* Begin PBXNativeTarget section */
+		8439D9FA1C8937C800E5E4B4 /* RSTextDrawing */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 8439DA0F1C8937C800E5E4B4 /* Build configuration list for PBXNativeTarget "RSTextDrawing" */;
+			buildPhases = (
+				8439D9F61C8937C800E5E4B4 /* Sources */,
+				8439D9F71C8937C800E5E4B4 /* Frameworks */,
+				8439D9F81C8937C800E5E4B4 /* Headers */,
+				8439D9F91C8937C800E5E4B4 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = RSTextDrawing;
+			productName = RSTextDrawing;
+			productReference = 8439D9FB1C8937C800E5E4B4 /* RSTextDrawing.framework */;
+			productType = "com.apple.product-type.framework";
+		};
+		8439DA041C8937C800E5E4B4 /* RSTextDrawingTests */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 8439DA121C8937C800E5E4B4 /* Build configuration list for PBXNativeTarget "RSTextDrawingTests" */;
+			buildPhases = (
+				8439DA011C8937C800E5E4B4 /* Sources */,
+				8439DA021C8937C800E5E4B4 /* Frameworks */,
+				8439DA031C8937C800E5E4B4 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+				8439DA081C8937C800E5E4B4 /* PBXTargetDependency */,
+			);
+			name = RSTextDrawingTests;
+			productName = RSTextDrawingTests;
+			productReference = 8439DA051C8937C800E5E4B4 /* RSTextDrawingTests.xctest */;
+			productType = "com.apple.product-type.bundle.unit-test";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		8439D9F21C8937C800E5E4B4 /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastSwiftUpdateCheck = 0730;
+				LastUpgradeCheck = 0720;
+				ORGANIZATIONNAME = "Ranchero Software";
+				TargetAttributes = {
+					8439D9FA1C8937C800E5E4B4 = {
+						CreatedOnToolsVersion = 7.2.1;
+						LastSwiftMigration = 0800;
+					};
+					8439DA041C8937C800E5E4B4 = {
+						CreatedOnToolsVersion = 7.2.1;
+						LastSwiftMigration = 0800;
+					};
+				};
+			};
+			buildConfigurationList = 8439D9F51C8937C800E5E4B4 /* Build configuration list for PBXProject "RSTextDrawing" */;
+			compatibilityVersion = "Xcode 3.2";
+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+			);
+			mainGroup = 8439D9F11C8937C800E5E4B4;
+			productRefGroup = 8439D9FC1C8937C800E5E4B4 /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
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+		8439DA121C8937C800E5E4B4 /* Build configuration list for PBXNativeTarget "RSTextDrawingTests" */ = {
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+}

Frameworks/RSTextDrawing/RSTextDrawing.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:RSTextDrawing.xcodeproj">
+   </FileRef>
+</Workspace>

Frameworks/RSTextDrawing/RSTextDrawing/Info.plist

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2016 Ranchero Software. All rights reserved.</string>
+	<key>NSPrincipalClass</key>
+	<string></string>
+</dict>
+</plist>

Frameworks/RSTextDrawing/RSTextDrawing/RSMultiLineRenderer.h

@@ -0,0 +1,28 @@
+//
+//  RSMultiLineRenderer.h
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 3/3/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+@import Cocoa;
+#import <RSTextDrawing/RSTextRendererProtocol.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class RSMultiLineRendererMeasurements;
+
+
+@interface RSMultiLineRenderer : NSObject <RSTextRenderer>
+
++ (instancetype)rendererWithAttributedTitle:(NSAttributedString *)title;
+
+- (RSMultiLineRendererMeasurements *)measurementsForWidth:(CGFloat)width;
+
+@property (nonatomic, strong) NSColor *backgroundColor; // Default is white.
+
+@end
+
+NS_ASSUME_NONNULL_END
+

Frameworks/RSTextDrawing/RSTextDrawing/RSMultiLineRenderer.m

@@ -0,0 +1,315 @@
+//
+//  RSMultiLineRenderer.m
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 3/3/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+#import "RSMultiLineRenderer.h"
+#import "RSMultiLineRendererMeasurements.h"
+
+
+@interface RSMultiLineRenderer ()
+
+@property (nonatomic, readonly) NSAttributedString *title;
+@property (nonatomic) NSRect rect;
+@property (nonatomic, readonly) CTFramesetterRef framesetter;
+@property (nonatomic) CTFrameRef frameref;
+@property (nonatomic, readonly) NSMutableDictionary *measurementCache;
+
+@end
+
+
+static NSMutableDictionary *rendererCache = nil;
+static NSUInteger kMaximumNumberOfLines = 2;
+
+
+@implementation RSMultiLineRenderer
+
+
+#pragma mark - Class Methods
+
++ (instancetype)rendererWithAttributedTitle:(NSAttributedString *)title {
+	
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		rendererCache = [NSMutableDictionary new];
+	});
+	
+	RSMultiLineRenderer *cachedRenderer = rendererCache[title];
+	if (cachedRenderer != nil) {
+		return cachedRenderer;
+	}
+	
+	RSMultiLineRenderer *renderer = [[RSMultiLineRenderer alloc] initWithAttributedTitle:title];
+	rendererCache[title] = renderer;
+	return renderer;
+}
+
+
++ (void)emptyCache {
+	
+	for (RSMultiLineRenderer *oneRenderer in rendererCache.allValues) {
+		[oneRenderer emptyCache];
+		[oneRenderer releaseFrameref];
+	}
+	
+	rendererCache = [NSMutableDictionary new];
+}
+
+
+#pragma mark Init
+
+- (instancetype)initWithAttributedTitle:(NSAttributedString *)title {
+	
+	self = [super init];
+	if (self == nil) {
+		return nil;
+	}
+	
+	_title = title;
+	_measurementCache = [NSMutableDictionary new];
+	_framesetter = CTFramesetterCreateWithAttributedString((__bridge CFAttributedStringRef)title);
+	_backgroundColor = NSColor.whiteColor;
+	
+	return self;
+}
+
+
+#pragma mark Dealloc
+
+- (void)dealloc {
+	
+	if (_framesetter) {
+		CFRelease(_framesetter);
+		_framesetter = nil;
+	}
+	
+	if (_frameref) {
+		CFRelease(_frameref);
+		_frameref = nil;
+	}
+}
+
+
+#pragma mark Accessors
+
+- (void)setRect:(NSRect)r {
+	
+	r.origin.y = floor(r.origin.y);
+	r.origin.x = floor(r.origin.x);
+	r.size.height = floor(r.size.height);
+	r.size.width = floor(r.size.width);
+	
+	if (!NSEqualRects(r, _rect)) {
+		_rect = r;
+		[self releaseFrameref];
+	}
+}
+
+- (void)releaseFrameref {
+	
+	if (_frameref) {
+		CFRelease(_frameref);
+		_frameref = nil;
+	}
+}
+
+#pragma mark - Measurements
+
+- (NSInteger)integerForWidth:(CGFloat)width {
+	
+	return (NSInteger)(floor(width));
+}
+
+
+- (NSNumber *)keyForWidth:(CGFloat)width {
+	
+	return @([self integerForWidth:width]);
+}
+
+- (RSMultiLineRendererMeasurements *)measurementsByRegardingNarrowerNeighborsInCache:(CGFloat)width {
+	
+	/*If width==30, and cached measurements for width==15 indicate that it's a single line of text, then return those measurements.*/
+	
+	NSInteger w = [self integerForWidth:width];
+	static const NSInteger kSingleLineHeightWithSlop = 20;
+	
+	for (NSNumber *oneKey in self.measurementCache.allKeys) {
+		
+		NSInteger oneWidth = oneKey.integerValue;
+		
+		if (oneWidth < w) {
+			RSMultiLineRendererMeasurements *oneMeasurements = self.measurementCache[oneKey];
+			if (oneMeasurements.height <= kSingleLineHeightWithSlop) {
+				return oneMeasurements;
+			}
+		}
+	}
+	
+	return nil;
+}
+
+
+- (RSMultiLineRendererMeasurements *)measurementsByRegardingNeighborsInCache:(CGFloat)width {
+	
+	/*If width==30, and the cached measurements for width==15 and width==42 are equal, then we can use one of those for width==30.*/
+	
+	if (self.measurementCache.count < 2) {
+		return nil;
+	}
+	
+	NSInteger w = [self integerForWidth:width];
+	NSInteger lessThanNeighbor = NSNotFound;
+	NSInteger greaterThanNeighbor = NSNotFound;
+	
+	for (NSNumber *oneKey in self.measurementCache.allKeys) {
+		
+		NSInteger oneWidth = oneKey.integerValue;
+		if (oneWidth < w) {
+			if (lessThanNeighbor == NSNotFound) {
+				lessThanNeighbor = oneWidth;
+			}
+			else if (lessThanNeighbor < oneWidth) {
+				lessThanNeighbor = oneWidth;
+			}
+		}
+		if (oneWidth > w) {
+			if (greaterThanNeighbor == NSNotFound) {
+				greaterThanNeighbor = oneWidth;
+			}
+			else if (greaterThanNeighbor > oneWidth) {
+				greaterThanNeighbor = oneWidth;
+			}
+		}
+	}
+	
+	if (lessThanNeighbor == NSNotFound || greaterThanNeighbor == NSNotFound) {
+		return nil;
+	}
+	
+	RSMultiLineRendererMeasurements *lessThanMeasurements = self.measurementCache[@(lessThanNeighbor)];
+	RSMultiLineRendererMeasurements *greaterThanMeasurements = self.measurementCache[@(greaterThanNeighbor)];
+	
+	if ([lessThanMeasurements isEqual:greaterThanMeasurements]) {
+		return lessThanMeasurements;
+	}
+	
+	return nil;
+}
+
+- (RSMultiLineRendererMeasurements *)measurementsForWidth:(CGFloat)width {
+	
+	NSNumber *key = [self keyForWidth:width];
+	RSMultiLineRendererMeasurements *cachedMeasurements = self.measurementCache[key];
+	if (cachedMeasurements) {
+		return cachedMeasurements;
+	}
+	
+	RSMultiLineRendererMeasurements *measurements = [self measurementsByRegardingNarrowerNeighborsInCache:width];
+	if (measurements) {
+		return measurements;
+	}
+	measurements = [self measurementsByRegardingNeighborsInCache:width];
+	if (measurements) {
+		return measurements;
+	}
+	
+	measurements = [self calculatedMeasurementsForWidth:width];
+	self.measurementCache[key] = measurements;
+	return measurements;
+}
+
+
+#pragma mark - Cache
+
+- (void)emptyCache {
+	
+	[self.measurementCache removeAllObjects];
+}
+
+
+#pragma mark Rendering
+
+static const CGFloat kMaxHeight = 10000.0;
+
+- (RSMultiLineRendererMeasurements *)calculatedMeasurementsForWidth:(CGFloat)width {
+	
+	NSInteger height = 0;
+	NSInteger heightOfFirstLine = 0;
+	
+	width = floor(width);
+	
+	@autoreleasepool {
+		
+		CGRect r = CGRectMake(0.0f, 0.0f, width, kMaxHeight);
+		CGPathRef path = CGPathCreateWithRect(r, NULL);
+		
+		CTFrameRef frameref = CTFramesetterCreateFrame(self.framesetter, CFRangeMake(0, (CFIndex)(self.title.length)), path, NULL);
+		
+		NSArray *lines = (__bridge NSArray *)CTFrameGetLines(frameref);
+		
+		if (lines.count > 0) {
+			
+			NSUInteger indexOfLastLine = MIN(kMaximumNumberOfLines - 1, lines.count - 1);
+			
+			CGPoint origins[indexOfLastLine + 1];
+			CTFrameGetLineOrigins(frameref, CFRangeMake(0, (CFIndex)indexOfLastLine + 1), origins);
+			
+			CTLineRef lastLine = (__bridge CTLineRef)lines[indexOfLastLine];
+			CGPoint lastOrigin = origins[indexOfLastLine];
+			CGFloat descent;
+			CTLineGetTypographicBounds(lastLine, NULL, &descent, NULL);
+			height = r.size.height - (ceil(lastOrigin.y) - ceil(descent));
+			height = (NSInteger)ceil(height);
+			
+			CTLineRef firstLine = (__bridge CTLineRef)lines[0];
+			CGRect firstLineRect = CTLineGetBoundsWithOptions(firstLine, 0);
+			heightOfFirstLine = (NSInteger)ceil(NSHeight(firstLineRect));
+			
+		}
+		
+		CFRelease(path);
+		CFRelease(frameref);
+	}
+	
+	RSMultiLineRendererMeasurements *measurements = [RSMultiLineRendererMeasurements measurementsWithHeight:height heightOfFirstLine:heightOfFirstLine];
+	return measurements;
+}
+
+
+- (void)renderTextInRect:(CGRect)r {
+	
+	self.rect = r;
+	
+	CGContextRef context = [NSGraphicsContext currentContext].CGContext;
+	CGContextSaveGState(context);
+	
+	CGContextSetFillColorWithColor(context, self.backgroundColor.CGColor);
+	CGContextFillRect(context, r);
+	
+	CGContextSetShouldSmoothFonts(context, true);
+	
+	CTFrameDraw(self.frameref, context);
+	
+	CGContextRestoreGState(context);
+}
+
+
+- (CTFrameRef)frameref {
+	
+	if (_frameref) {
+		return _frameref;
+	}
+	
+	CGPathRef path = CGPathCreateWithRect(self.rect, NULL);
+	
+	_frameref = CTFramesetterCreateFrame(self.framesetter, CFRangeMake(0, (CFIndex)(self.title.length)), path, NULL);
+	
+	CFRelease(path);
+	
+	return _frameref;
+}
+
+@end

Frameworks/RSTextDrawing/RSTextDrawing/RSMultiLineRendererMeasurements.h

@@ -0,0 +1,18 @@
+//
+//  RSMultiLineRendererMeasurements.h
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 3/4/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+@import Foundation;
+
+@interface RSMultiLineRendererMeasurements : NSObject
+
++ (instancetype)measurementsWithHeight:(NSInteger)height heightOfFirstLine:(NSInteger)heightOfFirstLine;
+
+@property (nonatomic, readonly) NSInteger height;
+@property (nonatomic, readonly) NSInteger heightOfFirstLine;
+
+@end

Frameworks/RSTextDrawing/RSTextDrawing/RSMultiLineRendererMeasurements.m

@@ -0,0 +1,59 @@
+//
+//  RSMultiLineRendererMeasurements.m
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 3/4/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+#import "RSMultiLineRendererMeasurements.h"
+
+@implementation RSMultiLineRendererMeasurements
+
+#pragma mark - Class Methods
+
++ (instancetype)measurementsWithHeight:(NSInteger)height heightOfFirstLine:(NSInteger)heightOfFirstLine {
+	
+	return [[self alloc] initWithHeight:height heightOfFirstLine:heightOfFirstLine];
+}
+
+
+#pragma mark - Init
+
+- (instancetype)initWithHeight:(NSInteger)height heightOfFirstLine:(NSInteger)heightOfFirstLine {
+	
+	self = [super init];
+	if (!self) {
+		return nil;
+	}
+	
+	_height = height;
+	_heightOfFirstLine = heightOfFirstLine;
+	
+	return self;
+}
+
+- (BOOL)isEqualToMultiLineRendererMeasurements:(RSMultiLineRendererMeasurements *)otherMeasurements {
+	
+	return self.height == otherMeasurements.height && self.heightOfFirstLine == otherMeasurements.heightOfFirstLine;
+}
+
+- (BOOL)isEqual:(id)object {
+	
+	if (self == object) {
+		return YES;
+	}
+	if (![object isKindOfClass:[self class]]) {
+		return NO;
+	}
+	
+	return [self isEqualToMultiLineRendererMeasurements:(RSMultiLineRendererMeasurements *)object];
+}
+
+- (NSUInteger)hash {
+	
+	return (NSUInteger)(self.height + (self.heightOfFirstLine * 100000));
+}
+
+
+@end

Frameworks/RSTextDrawing/RSTextDrawing/RSMultiLineView.h

@@ -0,0 +1,26 @@
+//
+//  RSMultiLineView.h
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 5/27/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+@import Cocoa;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class RSMultiLineRendererMeasurements;
+
+@interface RSMultiLineView : NSView
+
+@property (nonatomic) NSAttributedString *attributedStringValue;
+
+@property (nonatomic, readonly) RSMultiLineRendererMeasurements *measurements;
+
+@property (nonatomic) BOOL selected;
+@property (nonatomic) BOOL emphasized;
+
+@end
+
+NS_ASSUME_NONNULL_END

Frameworks/RSTextDrawing/RSTextDrawing/RSMultiLineView.m

@@ -0,0 +1,160 @@
+//
+//  RSMultiLineView.m
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 5/27/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+#import "RSMultiLineView.h"
+#import "RSMultiLineRenderer.h"
+#import "RSMultiLineRendererMeasurements.h"
+
+
+@interface RSMultiLineView ()
+
+@property (nonatomic) RSMultiLineRenderer *renderer;
+@property (nonatomic) NSSize intrinsicSize;
+@property (nonatomic) BOOL intrinsicSizeIsValid;
+@property (nonatomic) RSMultiLineRenderer *selectedRenderer;
+@property (nonatomic) NSAttributedString *selectedAttributedStringValue;
+
+@end
+
+static NSAttributedString *emptyAttributedString = nil;
+
+@implementation RSMultiLineView
+
+
+- (instancetype)initWithFrame:(NSRect)frame {
+	
+	self = [super initWithFrame:frame];
+	if (!self) {
+		return nil;
+	}
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		emptyAttributedString = [[NSAttributedString alloc] initWithString:@""];
+	});
+
+	_renderer = [RSMultiLineRenderer rendererWithAttributedTitle:emptyAttributedString];
+	
+	return self;
+}
+
+
+- (void)setRenderer:(RSMultiLineRenderer *)renderer {
+	
+	if (_renderer == renderer) {
+		return;
+	}
+	_renderer = renderer;
+	
+	[self invalidateIntrinsicContentSize];
+	self.needsDisplay = YES;
+}
+
+- (RSMultiLineRenderer *)selectedRenderer {
+	
+	if (_selectedRenderer) {
+		return _selectedRenderer;
+	}
+	
+	_selectedRenderer = [RSMultiLineRenderer rendererWithAttributedTitle:self.selectedAttributedStringValue];
+	_selectedRenderer.backgroundColor = NSColor.alternateSelectedControlColor;
+	return _selectedRenderer;
+}
+
+
+- (void)setSelected:(BOOL)selected {
+	
+	_selected = selected;
+	self.needsDisplay = YES;
+}
+
+
+- (void)setEmphasized:(BOOL)emphasized {
+	
+	_emphasized = emphasized;
+	self.needsDisplay = YES;
+}
+
+
+- (NSAttributedString *)selectedAttributedStringValue {
+	
+	if (!self.attributedStringValue) {
+		return emptyAttributedString;
+	}
+	
+	NSMutableAttributedString *s = [self.attributedStringValue mutableCopy];
+	[s addAttribute:NSForegroundColorAttributeName value:NSColor.alternateSelectedControlTextColor range:NSMakeRange(0, s.string.length)];
+	_selectedAttributedStringValue = s;
+	
+	return _selectedAttributedStringValue;
+}
+
+
+- (void)setAttributedStringValue:(NSAttributedString *)attributedStringValue {
+	
+	if (_attributedStringValue == attributedStringValue) {
+		return;
+	}
+	_attributedStringValue = attributedStringValue;
+	
+	self.selectedAttributedStringValue = nil;
+	self.selectedRenderer = nil;
+	
+	self.renderer = [RSMultiLineRenderer rendererWithAttributedTitle:attributedStringValue];
+}
+
+
+- (RSMultiLineRendererMeasurements *)measurements {
+	
+	return [self.renderer measurementsForWidth:NSWidth(self.frame)];
+}
+
+
+- (void)invalidateIntrinsicContentSize {
+	
+	self.intrinsicSizeIsValid = NO;
+}
+
+
+- (NSSize)intrinsicContentSize {
+	
+	if (!self.intrinsicSizeIsValid) {
+		self.intrinsicSize = NSMakeSize(NSWidth(self.frame), self.measurements.height);
+		self.intrinsicSizeIsValid = YES;
+	}
+	return self.intrinsicSize;
+}
+
+
+- (void)setFrameSize:(NSSize)newSize {
+	
+	[self invalidateIntrinsicContentSize];
+	[super setFrameSize:newSize];
+}
+
+
+- (void)drawRect:(NSRect)r {
+	
+	if (self.selected) {
+		
+		if (self.emphasized) {
+			[self.selectedRenderer renderTextInRect:self.bounds];
+		}
+		else {
+			NSColor *savedBackgroundColor = self.renderer.backgroundColor;
+			self.renderer.backgroundColor = NSColor.secondarySelectedControlColor;
+			[self.renderer renderTextInRect:self.bounds];
+			self.renderer.backgroundColor = savedBackgroundColor;
+		}
+	}
+	
+	else {
+		[self.renderer renderTextInRect:self.bounds];
+	}
+}
+
+@end

Frameworks/RSTextDrawing/RSTextDrawing/RSSingleLineRenderer.h

@@ -0,0 +1,24 @@
+//
+//  SingleLineRenderer.h
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 3/3/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+@import Cocoa;
+#import <RSTextDrawing/RSTextRendererProtocol.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface RSSingleLineRenderer : NSObject <RSTextRenderer>
+
++ (instancetype)rendererWithAttributedTitle:(NSAttributedString *)title;
+
+@property (nonatomic, readonly) NSSize size;
+
+@property (nonatomic, strong) NSColor *backgroundColor; // Default is white.
+
+@end
+
+NS_ASSUME_NONNULL_END

Frameworks/RSTextDrawing/RSTextDrawing/RSSingleLineRenderer.m

@@ -0,0 +1,200 @@
+//
+//  RSSingleLineRenderer.m
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 3/3/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+#import "RSSingleLineRenderer.h"
+
+static NSMutableDictionary *rendererCache = nil;
+
+@interface RSSingleLineRenderer ()
+
+@property (nonatomic, readonly) NSAttributedString *title;
+@property (nonatomic) NSRect rect;
+@property (nonatomic, readonly) CTFramesetterRef framesetter;
+@property (nonatomic) CTFrameRef frameref;
+
+@end
+
+
+@implementation RSSingleLineRenderer
+
+@synthesize size = _size;
+
+#pragma mark - Class Methods
+
++ (void)initialize {
+	
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		
+		rendererCache = [NSMutableDictionary new];
+	});
+}
+
+
++ (instancetype)rendererWithAttributedTitle:(NSAttributedString *)title {
+	
+	RSSingleLineRenderer *cachedRenderer = rendererCache[title];
+	if (cachedRenderer != nil) {
+		return cachedRenderer;
+	}
+	
+	RSSingleLineRenderer *renderer = [[RSSingleLineRenderer alloc] initWithAttributedTitle:title];
+	rendererCache[title] = renderer;
+	return renderer;
+}
+
+
++ (void)emptyCache {
+	
+	rendererCache = [NSMutableDictionary new];
+}
+
+
+#pragma mark - Init
+
+- (instancetype)initWithAttributedTitle:(NSAttributedString *)title {
+	
+	self = [super init];
+	if (self == nil) {
+		return nil;
+	}
+	
+	_title = title;
+	_framesetter = CTFramesetterCreateWithAttributedString((__bridge CFAttributedStringRef)title);
+	_backgroundColor = NSColor.whiteColor;
+	
+	return self;
+}
+
+
+#pragma mark - Dealloc
+
+- (void)dealloc {
+	
+	if (_framesetter) {
+		CFRelease(_framesetter);
+		_framesetter = nil;
+	}
+	
+	if (_frameref) {
+		CFRelease(_frameref);
+		_frameref = nil;
+	}
+}
+
+
+#pragma mark - Accessors
+
+- (void)setRect:(NSRect)r {
+	
+	r.origin.y = floor(r.origin.y);
+	r.origin.x = floor(r.origin.x);
+	r.size.height = floor(r.size.height);
+	if (r.size.height > self.size.height) {
+		r.size.height = self.size.height;
+	}
+	r.size.width = floor(r.size.width);
+	if (r.size.width > self.size.width) {
+		r.size.width = self.size.width;
+	}
+	
+	if (!NSEqualRects(r, _rect)) {
+		_rect = r;
+		[self releaseFrameref];
+	}
+}
+
+
+- (void)releaseFrameref {
+	
+	if (_frameref) {
+		CFRelease(_frameref);
+		_frameref = nil;
+	}
+}
+
+
+- (NSSize)size {
+	
+	if (NSEqualSizes(_size, NSZeroSize)) {
+		_size = [self calculatedSize];
+	}
+	return _size;
+}
+
+#pragma mark - Measurements
+
+static const CGFloat kMaxWidth = 10000.0;
+static const CGFloat kMaxHeight = 10000.0;
+
+- (NSSize)calculatedSize {
+	
+	NSSize size = NSZeroSize;
+	
+	@autoreleasepool {
+		
+		CGRect r = CGRectMake(0.0f, 0.0f, kMaxWidth, kMaxHeight);
+		CGPathRef path = CGPathCreateWithRect(r, NULL);
+		
+		CTFrameRef frameref = CTFramesetterCreateFrame(self.framesetter, CFRangeMake(0, (CFIndex)(self.title.length)), path, NULL);
+		
+		NSArray *lines = (__bridge NSArray *)CTFrameGetLines(frameref);
+		
+		if (lines.count > 0) {
+			
+			CTLineRef firstLine = (__bridge CTLineRef)lines[0];
+			CGRect firstLineRect = CTLineGetBoundsWithOptions(firstLine, 0);
+			CGFloat height = ceil(NSHeight(firstLineRect));
+			CGFloat width = ceil(NSWidth(firstLineRect));
+			size = NSMakeSize(width, height);
+		}
+		
+		CFRelease(path);
+		CFRelease(frameref);
+	}
+	
+	return size;
+}
+
+
+#pragma mark - Drawing
+
+- (void)renderTextInRect:(CGRect)r {
+	
+	self.rect = r;
+	
+	CGContextRef context = [NSGraphicsContext currentContext].CGContext;
+	CGContextSaveGState(context);
+	
+	CGContextSetFillColorWithColor(context, self.backgroundColor.CGColor);
+	CGContextFillRect(context, r);
+	
+	CGContextSetShouldSmoothFonts(context, true);
+	
+	CTFrameDraw(self.frameref, context);
+	
+	CGContextRestoreGState(context);
+}
+
+
+- (CTFrameRef)frameref {
+	
+	if (_frameref) {
+		return _frameref;
+	}
+	
+	CGPathRef path = CGPathCreateWithRect(self.rect, NULL);
+	
+	_frameref = CTFramesetterCreateFrame(self.framesetter, CFRangeMake(0, (CFIndex)(self.title.length)), path, NULL);
+	
+	CFRelease(path);
+	
+	return _frameref;
+}
+
+@end

Frameworks/RSTextDrawing/RSTextDrawing/RSSingleLineView.h

@@ -0,0 +1,22 @@
+//
+//  RSSingleLineView.h
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 5/27/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+@import Cocoa;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface RSSingleLineView : NSView
+
+@property (nonatomic, strong) NSAttributedString *attributedStringValue;
+
+@property (nonatomic) BOOL selected;
+@property (nonatomic) BOOL emphasized;
+
+@end
+
+NS_ASSUME_NONNULL_END

Frameworks/RSTextDrawing/RSTextDrawing/RSSingleLineView.m

@@ -0,0 +1,142 @@
+//
+//  RSSingleLineView.m
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 5/27/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+@import RSCore;
+#import "RSSingleLineView.h"
+#import "RSSingleLineRenderer.h"
+
+@interface RSSingleLineView ()
+
+@property (nonatomic) RSSingleLineRenderer *renderer;
+@property (nonatomic) NSSize intrinsicSize;
+@property (nonatomic) BOOL intrinsicSizeIsValid;
+@property (nonatomic) RSSingleLineRenderer *selectedRenderer;
+@property (nonatomic) NSAttributedString *selectedAttributedStringValue;
+
+@end
+
+static NSAttributedString *emptyAttributedString = nil;
+
+@implementation RSSingleLineView
+
+- (instancetype)initWithFrame:(NSRect)r {
+	
+	self = [super initWithFrame:r];
+	if (!self) {
+		return nil;
+	}
+	
+	static dispatch_once_t onceToken;
+	dispatch_once(&onceToken, ^{
+		emptyAttributedString = [[NSAttributedString alloc] initWithString:@""];
+	});
+	
+	_renderer = [RSSingleLineRenderer rendererWithAttributedTitle:emptyAttributedString];
+
+	return self;
+}
+
+
+- (void)setAttributedStringValue:(NSAttributedString *)attributedStringValue {
+	
+	_attributedStringValue = attributedStringValue;
+	self.selectedAttributedStringValue = nil;
+	self.selectedRenderer = nil;
+	
+	self.renderer = [RSSingleLineRenderer rendererWithAttributedTitle:attributedStringValue];
+}
+
+
+- (void)setRenderer:(RSSingleLineRenderer *)renderer {
+	
+	_renderer = renderer;
+	[self invalidateIntrinsicContentSize];
+	self.needsDisplay = YES;
+}
+
+
+- (RSSingleLineRenderer *)selectedRenderer {
+
+	if (_selectedRenderer) {
+		return _selectedRenderer;
+	}
+
+	_selectedRenderer = [RSSingleLineRenderer rendererWithAttributedTitle:self.selectedAttributedStringValue];
+	_selectedRenderer.backgroundColor = NSColor.alternateSelectedControlColor;
+	return _selectedRenderer;
+}
+
+
+- (void)setSelected:(BOOL)selected {
+	
+	_selected = selected;
+	self.needsDisplay = YES;
+}
+
+
+- (void)setEmphasized:(BOOL)emphasized {
+	
+	_emphasized = emphasized;
+	self.needsDisplay = YES;
+}
+
+
+- (NSAttributedString *)selectedAttributedStringValue {
+	
+	if (!self.attributedStringValue) {
+		return emptyAttributedString;
+	}
+	
+	NSMutableAttributedString *s = [self.attributedStringValue mutableCopy];
+	[s addAttribute:NSForegroundColorAttributeName value:NSColor.alternateSelectedControlTextColor range:NSMakeRange(0, s.string.length)];
+	_selectedAttributedStringValue = s;
+	
+	return _selectedAttributedStringValue;
+}
+
+
+- (void)invalidateIntrinsicContentSize {
+	
+	self.intrinsicSizeIsValid = NO;
+}
+
+
+- (NSSize)intrinsicContentSize {
+	
+	if (!self.intrinsicSizeIsValid) {
+		self.intrinsicSize = ((RSSingleLineRenderer *)(self.renderer)).size;
+		self.intrinsicSizeIsValid = YES;
+	}
+	
+	return self.intrinsicSize;
+}
+
+
+- (void)drawRect:(NSRect)r {
+	
+	if (self.selected) {
+		
+		if (self.emphasized) {
+			[self.selectedRenderer renderTextInRect:self.bounds];
+		}
+		else {
+			NSColor *savedBackgroundColor = self.renderer.backgroundColor;
+			self.renderer.backgroundColor = NSColor.secondarySelectedControlColor;
+			[self.renderer renderTextInRect:self.bounds];
+			self.renderer.backgroundColor = savedBackgroundColor;
+		}
+	}
+	
+	else {
+		[self.renderer renderTextInRect:self.bounds];
+	}
+}
+
+
+@end
+

Frameworks/RSTextDrawing/RSTextDrawing/RSTextDrawing.h

@@ -0,0 +1,18 @@
+//
+//  RSTextDrawing.h
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 3/3/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+@import Cocoa;
+
+#import <RSTextDrawing/RSSingleLineView.h>
+#import <RSTextDrawing/RSMultiLineView.h>
+
+#import <RSTextDrawing/RSSingleLineRenderer.h>
+#import <RSTextDrawing/RSMultiLineRenderer.h>
+#import <RSTextDrawing/RSMultiLineRendererMeasurements.h>
+#import <RSTextDrawing/RSTextRendererProtocol.h>
+

Frameworks/RSTextDrawing/RSTextDrawing/RSTextRendererProtocol.h

@@ -0,0 +1,17 @@
+//
+//  RSTextRendererProtocol.h
+//  RSTextDrawing
+//
+//  Created by Brent Simmons on 3/6/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+@import Cocoa;
+
+@protocol RSTextRenderer <NSObject>
+
+- (void)renderTextInRect:(NSRect)r;
+
++ (void)emptyCache;
+
+@end

Frameworks/RSTextDrawing/RSTextDrawingTests/Info.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

Frameworks/RSTextDrawing/RSTextDrawingTests/RSTextDrawingTests.m

@@ -0,0 +1,39 @@
+//
+//  RSTextDrawingTests.m
+//  RSTextDrawingTests
+//
+//  Created by Brent Simmons on 3/3/16.
+//  Copyright © 2016 Ranchero Software. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+@interface RSTextDrawingTests : XCTestCase
+
+@end
+
+@implementation RSTextDrawingTests
+
+- (void)setUp {
+    [super setUp];
+    // Put setup code here. This method is called before the invocation of each test method in the class.
+}
+
+- (void)tearDown {
+    // Put teardown code here. This method is called after the invocation of each test method in the class.
+    [super tearDown];
+}
+
+- (void)testExample {
+    // This is an example of a functional test case.
+    // Use XCTAssert and related functions to verify your tests produce the correct results.
+}
+
+- (void)testPerformanceExample {
+    // This is an example of a performance test case.
+    [self measureBlock:^{
+        // Put the code you want to measure the time of here.
+    }];
+}
+
+@end