Howto:Creating a Canvas GUI Widget: Difference between revisions

Howto:Creating a Canvas GUI Widget (view source)

970 bytes added , 3 July 2016

20,741

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 <syntaxhighlight lang="diff">
+diff --git a/Nasal/canvas/gui/widgets/Map.nas b/Nasal/canvas/gui/widgets/Map.nas
+new file mode 100644
+index 0000000..d26a902
+--- /dev/null
++++ b/Nasal/canvas/gui/widgets/Map.nas
+@@ -0,0 +1,25 @@
++gui.widgets.Map = {
++  new: func(parent, style, cfg)
++  {
++    var m = gui.Widget.new(gui.widgets.Map);
++    m._cfg = Config.new(cfg);
++    m._focus_policy = m.NoFocus;
++    m._setView( style.createWidget(parent, "map", m._cfg) );
++
++    var TestMap = m._view._root.createChild("map");
++    TestMap.setController("Aircraft position");
++    TestMap.setRange(35);
++
++     TestMap.setTranslation(160/2, 120/2);
++     var r = func(name,vis=1,zindex=nil) return caller(0)[0];
++     foreach(var type; [r('VOR'),r('APT'), r('APS') ] )
++            TestMap.addLayer(factory: canvas.SymbolLayer, type_arg: type.name, visible: type.vis, priority: type.zindex,);
++
++    return m;
++  },
++  setBackground: func(bg)
++  {
++    me._view.setBackground(me, bg);
++    return me;
++  }
++};
 </syntaxhighlight>