Wrapping for words that are too long

Basic wrapping for words that are too long. Also updated demo to show the behavior.
laullon · Apr 27, 2012 · c0b312e · c0b312e
1 parent f1d0057
commit c0b312e
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Showing 2 changed files with 39 additions and 10 deletions.
diff --git a/GLTapLabelDemo/GLTapLabel.m b/GLTapLabelDemo/GLTapLabel.m
@@ -48,7 +48,32 @@ -(void)drawTextInRect:(CGRect)rect
     NSString *read;
     NSScanner *s = [NSScanner scannerWithString:self.text];
     while ([s scanUpToCharactersFromSet:[NSCharacterSet symbolCharacterSet] intoString:&read]) {
-        NSArray *words = [read componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+        NSArray *origWords = [read componentsSeparatedByCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+        NSMutableArray *words = [NSMutableArray array];
+        for (NSString* word in origWords)
+        {
+            // this is just to avoid ARC complications. We could just as easily make it __strong but then it won't work with non-ARC builds.
+            NSString* origWord = word;
+            NSString* newWord = word;
+            CGSize s = [newWord sizeWithFont:self.font];
+            NSString *cutWord = @"";
+            int c = [word length]-1;
+            while (s.width > rect.size.width) {
+                cutWord = [origWord substringFromIndex:c];
+                newWord = [origWord substringToIndex:c];
+                s = [newWord sizeWithFont:self.font];
+                c -= 1;
+                if (s.width <= rect.size.width)
+                {
+                    [words addObject:newWord];
+                    origWord = cutWord;
+                    s = [origWord sizeWithFont:self.font];
+                    c = [origWord length]-1;
+                }
+            }
+            [words addObject:origWord];
+        }
+
         [words enumerateObjectsUsingBlock:^(NSString *word, NSUInteger idx, BOOL *stop) {
             BOOL hot = [word hasPrefix:@"#"] || [word hasPrefix:@"@"];
             UIFont *f= hot ? hotFont : self.font;

diff --git a/GLTapLabelDemo/en.lproj/GLViewController.xib b/GLTapLabelDemo/en.lproj/GLViewController.xib
@@ -1,14 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="8.00">
 	<data>
-		<int key="IBDocument.SystemTarget">1280</int>
-		<string key="IBDocument.SystemVersion">11C74</string>
-		<string key="IBDocument.InterfaceBuilderVersion">1938</string>
-		<string key="IBDocument.AppKitVersion">1138.23</string>
-		<string key="IBDocument.HIToolboxVersion">567.00</string>
+		<int key="IBDocument.SystemTarget">1296</int>
+		<string key="IBDocument.SystemVersion">11D50b</string>
+		<string key="IBDocument.InterfaceBuilderVersion">2182</string>
+		<string key="IBDocument.AppKitVersion">1138.32</string>
+		<string key="IBDocument.HIToolboxVersion">568.00</string>
 		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
 			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
-			<string key="NS.object.0">933</string>
+			<string key="NS.object.0">1181</string>
 		</object>
 		<array key="IBDocument.IntegratedClassDependencies">
 			<string>IBProxyObject</string>
@@ -38,7 +38,7 @@
 					<object class="IBUILabel" id="699338738">
 						<reference key="NSNextResponder" ref="774585933"/>
 						<int key="NSvFlags">292</int>
-						<string key="NSFrame">{{56, 165}, {208, 162}}</string>
+						<string key="NSFrame">{{56, 109}, {208, 210}}</string>
 						<reference key="NSSuperview" ref="774585933"/>
 						<reference key="NSWindow"/>
 						<reference key="NSNextKeyView" ref="74742103"/>
@@ -48,7 +48,7 @@
 						<int key="IBUIContentMode">7</int>
 						<bool key="IBUIMultipleTouchEnabled">YES</bool>
 						<string key="targetRuntimeIdentifier">IBCocoaTouchFramework</string>
-						<string key="IBUIText">hh #TAG1 #TAG2 normal 🕘🕘🕘🕘🕘🕘🕘🕘🕘🕘🕘🕘🕘 test @user1 @user2 🕘🕚👂👂👀 👻👻🎅🎑💣💣fjdhfjdhf🔫💊💊</string>
+						<string key="IBUIText">areallyreallyreallylongwordyupthisword'slongandmightexceedthreelinesbutnoworrieswe'llwrapit #TAG1 #TAG2 normal 🕘🕘🕘🕘🕘🕘🕘🕘🕘🕘🕘🕘🕘 test @user1 @user2 🕘🕚👂👂👀 👻👻🎅🎑💣💣fjdhfjdhf🔫💊💊</string>
 						<object class="NSColor" key="IBUITextColor" id="547420789">
 							<int key="NSColorSpace">1</int>
 							<bytes key="NSRGB">MCAwIDAAA</bytes>
@@ -281,8 +281,12 @@
 		</object>
 		<int key="IBDocument.localizationMode">0</int>
 		<string key="IBDocument.TargetRuntimeIdentifier">IBCocoaTouchFramework</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencyDefaults">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
+			<real value="1296" key="NS.object.0"/>
+		</object>
 		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
 		<int key="IBDocument.defaultPropertyAccessControl">3</int>
-		<string key="IBCocoaTouchPluginVersion">933</string>
+		<string key="IBCocoaTouchPluginVersion">1181</string>
 	</data>
 </archive>