Snippets - Revision history

Cbv: Redirect to category

2007-01-04T09:54:46Z

Redirect to category

Cbv: add category

2006-10-23T14:53:24Z

add category

Cbv: Added link to HOM

2006-08-26T13:39:46Z

Added link to HOM

Cbv: Added links to Foundation and AppKit

2006-08-26T13:25:24Z

Added links to Foundation and AppKit

Cbv: /* Objective-C and OOP Concepts */

2005-12-16T11:34:17Z

Objective-C and OOP Concepts

Comrade: Add a snippet to help identify the target platform

2005-11-10T19:44:52Z

Add a snippet to help identify the target platform

Cbv at 13:49, 5 September 2005

2005-09-05T13:49:05Z

Cbv: Clean-up

2005-09-05T13:47:23Z

Clean-up

Comrade: Small language cleanups

2005-06-28T17:03:28Z

Small language cleanups

Andras at 23:52, 27 June 2005

2005-06-27T23:52:05Z

← Older revision		Revision as of 09:54, 4 January 2007
Line 1:		Line 1:
−	~~This page links to sample code and snippets with tips & tricks.~~	+	{{category redirect\|Snippets}}
−
−
−	~~== Objective-C and OOP Concepts ==~~
−
−	* [http://www.gmonline.demon.co.uk/cscene/CS7/CS7-05.html A first look at Objective-C] by Noah Roberts
−	* [http://www.gmonline.demon.co.uk/cscene/CS8/CS8-03.html Objective-C is fun!] by Adam Fedor
−
−	* [[HOM \| ~~Higher Order Messaging]]~~
−
−
−	~~== [[Foundation \| Foundation Kit]] ==~~
−	* [[NSArray]]
−
−
−	~~== [[AppKit \| Application Kit]] ==~~
−	* [[NSDocument]]
−	* [[NSTableView]]
−	* [[NSTextField]]
−	* [[NSView]]
−
−
−	~~== Makefiles and compiler environment ==~~
−	* [[Identifying the target platform]]
−
−	~~[[Category:~~Snippets]]

← Older revision		Revision as of 14:53, 23 October 2006
Line 23:		Line 23:
	== Makefiles and compiler environment ==		== Makefiles and compiler environment ==
	* [[Identifying the target platform]]		* [[Identifying the target platform]]
		+
		+	[[Category:Snippets]]

← Older revision		Revision as of 13:39, 26 August 2006
Line 6:		Line 6:
	* [http://www.gmonline.demon.co.uk/cscene/CS7/CS7-05.html A first look at Objective-C] by Noah Roberts		* [http://www.gmonline.demon.co.uk/cscene/CS7/CS7-05.html A first look at Objective-C] by Noah Roberts
	* [http://www.gmonline.demon.co.uk/cscene/CS8/CS8-03.html Objective-C is fun!] by Adam Fedor		* [http://www.gmonline.demon.co.uk/cscene/CS8/CS8-03.html Objective-C is fun!] by Adam Fedor
		+
		+	* [[HOM \| Higher Order Messaging]]

@@ Line 1: / Line 1: @@
 This page links to sample code and snippets with tips & tricks.
 == Objective-C and OOP Concepts ==
@@ Line 6: / Line 7: @@
 * [http://www.gmonline.demon.co.uk/cscene/CS8/CS8-03.html Objective-C is fun!] by Adam Fedor
 == Foundation Kit ==
 * [[NSArray]]
-== Application Kit ==
+== [[AppKit | Application Kit]] ==
 * [[NSDocument]]
 * [[NSTableView]]
 * [[NSTextField]]
 * [[NSView]]
 == Makefiles and compiler environment ==
 * [[Identifying the target platform]]

@@ Line 3: / Line 3: @@
 == Objective-C and OOP Concepts ==
+* [http://www.gmonline.demon.co.uk/cscene/CS7/CS7-05.html A first look at Objective-C] by Noah Roberts
 == Foundation Kit ==

← Older revision		Revision as of 19:44, 10 November 2005
Line 14:		Line 14:
	* [[NSTextField]]		* [[NSTextField]]
	* [[NSView]]		* [[NSView]]
		+
		+	== Makefiles and compiler environment ==
		+	* [[Identifying the target platform]]

← Older revision		Revision as of 13:49, 5 September 2005
Line 1:		Line 1:
		+	This page links to sample code and snippets with tips & tricks.
		+
	== Objective-C and OOP Concepts ==		== Objective-C and OOP Concepts ==

@@ Line 1: / Line 1: @@
 == Testing ''chars'' entered by users in ''NSTextField'' ==
-(just for the case if someone else has the same problem)
+When the contents of a NSTextField are changed by the user, it is possible to check whether or not to accept the changes.
 . Subclass NSTextField
-. In your subclass adopt the
+. In your subclass implement the
           - (BOOL) textView: (NSTextView*) textView
           shouldChangeTextInRange: (NSRange) range
@@ Line 10: / Line 10: @@
 method.
-. In this method you can access to the ''replacementString'' as ''char'' with the following line:
+. Within this method you can access to the ''replacementString'' as an NSString, or as ''char'' with the following line:
           char c = *([replacementString cString] + 0);
-. Then you are free to examinate the conditions...
+. You should return YES or NO depending on whether you accept the replacement string.
 == Limiting text input length in ''NSTextField'' ==
@@ Line 20: / Line 20: @@
 . Subclass NSTextField
-. In your subclass adopt the
+. In your subclass implement the
           - (BOOL) textView: (NSTextView*) textView
           shouldChangeTextInRange: (NSRange) range
@@ Line 26: / Line 26: @@
 method.
-. Create an instance variable setting method:
+. Also create an instance variable setting method:
            - (void) setMaxLength: (int) ml
+           {
@@ Line 32: / Line 32: @@
+           }
-. Then fill your method 2. with this:
+. Then fill your implementation of textView:shouldChangeTextInRange:replacementString: with the following code:
            int newLength;
            /* The exact change isn't known. Disallow the change to be safe. */