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comparison mde/content/ServiceContent.d @ 171:7f7b2011b759

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Partially complete commit: code runs but context menus don't work. Moved WMScreen.createRootWidget to WidgetManager.createWidgets. Put childContext under a popupHandler widget. TODO: implement IChildWidget.setContent(Content) (see AParentWidget.d:237).
author Diggory Hardy <diggory.hardy@gmail.com>
date Sun, 26 Jul 2009 11:04:17 +0200
parents e45226d3deae
children a1ba9157510e
comparison
equal deleted inserted replaced
170:e45226d3deae 171:7f7b2011b759
24 module mde.content.ServiceContent; 24 module mde.content.ServiceContent;
25 25
26 import mde.content.AStringContent; 26 import mde.content.AStringContent;
27 27
28 /** Interface for ServiceContent and ServiceContentList. */ 28 /** Interface for ServiceContent and ServiceContentList. */
29 interface IServiceContent { 29 interface IServiceContent : IContent {
30 void setContent (Content cont); 30 void setContent (Content cont);
31 } 31 }
32 32
33 /** A class for services acting on content. 33 /** A class for services acting on content.
34 * 34 *
85 } 85 }
86 return true; 86 return true;
87 } 87 }
88 // Doesn't support directly setting the value 88 // Doesn't support directly setting the value
89 override void opAssign (bool val) {} 89 override void opAssign (bool val) {}
90
91
92 /** Create all services.
93 *
94 * Each WidgetManager has it's own instance, but these share one clipboard, etc.
95 *
96 * Currently all clipboard operations convert to/from a string.
97 * TODO: Possible extensions: multi-item clipboard displaying value in menu,
98 * copying without converting everything to/from a string. */
99 static ServiceContentList createItems (char[] name) {
100 char[] lName = "menus.services."~name;
101 auto ret = new ServiceContentList (lName);
102
103 // Many use callbacks on a generic class type. For this, we should be sure of the type.
104 (new AStringService(lName~".copy")).addCallback ((IContent c) {
105 debug assert (cast(AStringService)c);
106 with (cast(AStringService)c) {
107 if (activeCont !is null)
108 clipboard = activeCont.toString(0);
109 }
110 });
111 (new AStringService(lName~".paste")).addCallback ((IContent c) {
112 debug assert (cast(AStringService)c);
113 with (cast(AStringService)c) {
114 if (activeCont !is null)
115 activeCont = clipboard;
116 }
117 });
118
119 new ServiceContentList(lName~".calculator");
120 (new IntService(lName~".calculator.increment")).addCallback ((IContent c) {
121 debug assert (cast(IntService)c);
122 with (cast(IntService)c) {
123 if (activeCont !is null)
124 activeCont = activeCont()+1;
125 }
126 });
127 (new IntService(lName~".calculator.decrement")).addCallback ((IContent c) {
128 debug assert (cast(IntService)c);
129 with (cast(IntService)c) {
130 if (activeCont !is null)
131 activeCont = activeCont()-1;
132 }
133 });
134 return ret;
135 }
136
137 private:
138 static char[] clipboard;
139 //TODO: lock on clipboard: static Mutex mutex;
90 } 140 }
91
92 /** Create all services.
93 *
94 * For now, all are under the menu.
95 *
96 * Currently all clipboard operations convert to/from a string.
97 * TODO: Possible extensions: multi-item clipboard displaying value in menu,
98 * copying without converting everything to/from a string. */
99 static this () {
100 // Create ContentLists so they have the correct type.
101 new ServiceContentList ("menus.services");
102 // Many use callbacks on a generic class type. For this, we should be sure of the type.
103 auto copy = new AStringService("menus.services.copy");
104 copy.addCallback ((IContent c) {
105 debug assert (cast(AStringService)c);
106 with (cast(AStringService)c) {
107 if (activeCont !is null)
108 clipboard = activeCont.toString(0);
109 }
110 });
111 auto paste = new AStringService("menus.services.paste");
112 paste.addCallback ((IContent c) {
113 debug assert (cast(AStringService)c);
114 with (cast(AStringService)c) {
115 if (activeCont !is null)
116 activeCont = clipboard;
117 }
118 });
119
120 new ServiceContentList("menus.services.calculator");
121 auto inc = new IntService("menus.services.calculator.increment");
122 inc.addCallback ((IContent c) {
123 debug assert (cast(IntService)c);
124 with (cast(IntService)c) {
125 if (activeCont !is null)
126 activeCont = activeCont()+1;
127 }
128 });
129 auto dec = new IntService("menus.services.calculator.decrement");
130 dec.addCallback ((IContent c) {
131 debug assert (cast(IntService)c);
132 with (cast(IntService)c) {
133 if (activeCont !is null)
134 activeCont = activeCont()-1;
135 }
136 });
137 }
138 private {
139 char[] clipboard;
140 }