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comparison mde/gui/content/Content.d @ 72:159775502bb4

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The first dynamically generated widget lists, based on Options, are here!
author Diggory Hardy <diggory.hardy@gmail.com>
date Sat, 05 Jul 2008 18:27:46 +0100
parents 891211f034f2
children b525ff28774b
comparison
equal deleted inserted replaced
71:77c7d3235114 72:159775502bb4
27 * Currently Content instances can only have their data set on creation. 27 * Currently Content instances can only have their data set on creation.
28 * Each Content class should provide a method to get it's content, e.g. the method text(). 28 * Each Content class should provide a method to get it's content, e.g. the method text().
29 */ 29 */
30 // Don't include dimension/drawing stuff because it's renderer specific and content should not be! 30 // Don't include dimension/drawing stuff because it's renderer specific and content should not be!
31 // NOTE: an interface or a class? 31 // NOTE: an interface or a class?
32 alias IContent Content; // use either name until it's settled...
33 /** ditto */
34 interface IContent 32 interface IContent
35 { 33 {
34 /+ NOTE: None of this is really used yet, but was (mostly) intended for clipboard copying.
36 /** Return a copy of self. */ 35 /** Return a copy of self. */
37 IContent dup (); 36 IContent dup ();
38 37
39 /** Attempt to convert the content to a specific type (may simply return this if appropriate). 38 /** Attempt to convert the content to a specific type (may simply return this if appropriate).
40 * 39 *
41 * Annoyingly we can't use cast because overloading by return type isn't supported. */ 40 * Annoyingly we can't use cast because overloading by return type isn't supported. */
42 // FIXME: throw or return null on error or unsupported conversion? 41 // FIXME: throw or return null on error or unsupported conversion?
43 ContentText toText (); 42 ContentText toText ();
44 ContentInt toInt (); /// ditto 43 ContentInt toInt (); /// ditto
44 +/
45 45
46 /** Every Content should be convertible to a string, which, if possible, should be a sensible 46 /** Every Content should be convertible to a string, which, if possible, should be a sensible
47 * conversion of its content. */ 47 * conversion of its content. */
48 char[] toString (); 48 char[] toString ();
49 } 49 }
64 * 64 *
65 * NOTE: Needs to be a reference type really. 65 * NOTE: Needs to be a reference type really.
66 * Could alternately be: 66 * Could alternately be:
67 * alias ContentTextStruct* ContentText 67 * alias ContentTextStruct* ContentText
68 * where ContentTextStruct is a struct. */ 68 * where ContentTextStruct is a struct. */
69 class ContentText : Content 69 class ContentText : IContent
70 { 70 {
71 this () {} 71 this () {}
72 this (char[] text) { 72 this (char[] text) {
73 text_ = text; 73 text_ = text;
74 } 74 }
96 //NOTE: need to allow cache-invalidating when text changes! 96 //NOTE: need to allow cache-invalidating when text changes!
97 char[] text_; 97 char[] text_;
98 } 98 }
99 99
100 /** Integer content. */ 100 /** Integer content. */
101 class ContentInt : Content 101 class ContentInt : IContent
102 { 102 {
103 this () {} 103 this () {}
104 this (int integer) { 104 this (int integer) {
105 int_ = integer; 105 int_ = integer;
106 } 106 }