git.roojs.org Git - roobuilder/blob - src/Palete/HoverProvider.vala

   1
   2
   3 namespace Palete {
   4         public class HoverProvider : Object, GtkSource.HoverProvider
   5         {
   6                 public JsRender.JsRender file {
   7                         get { return this.editor.file; }
   8                         private set {}
   9                 }
  10                 Editor editor;
  11                 public HoverProvider(Editor editor)
  12                 {
  13                         this.editor = editor;
  14                 }
  15
  16                 public async bool populate_async ( GtkSource.HoverContext context, GtkSource.HoverDisplay display, Cancellable? cancellable) throws Error
  17                 {
  18
  19
  20                         global::Gtk.TextIter begin, end ,  pos;
  21
  22                         if (!context.get_bounds(out begin, out end)) {
  23                                 return false;
  24                         }
  25                         var line = end.get_line();
  26                         var offset =  end.get_line_offset();
  27                         if (this.editor.prop != null) {
  28                         //      tried line -1 (does not work)
  29                                 GLib.debug("node pad = '%s' %d", this.editor.node.node_pad, this.editor.node.node_pad.length);
  30
  31                                 line += this.editor.prop.start_line ;
  32                                 // this is based on Gtk using tabs (hence 1/2 chars);
  33                                 offset += this.editor.node.node_pad.length;
  34                                 // javascript listeners are indented 2 more spaces.
  35                                 if (this.editor.prop.ptype == JsRender.NodePropType.LISTENER) {
  36                                         offset += 2;
  37                                 }
  38                         }
  39                         var res = yield this.file.getLanguageServer().hover(this.file, line, offset);
  40
  41                         if ( res != null && res.contents.size > 0) {
  42                                 var str = res.contents.get(0).value;
  43                                 display.append(new global::Gtk.Label(str));
  44                                 return true;
  45                         }
  46                         return false;
  47                 }
  48                 public bool populate (GtkSource.HoverContext context, GtkSource.HoverDisplay display) throws Error
  49                 {
  50                         global::Gtk.TextIter begin, end;
  51
  52                         if (!context.get_bounds(out begin, out end)) {
  53                                 return true;
  54                         }
  55                         GLib.debug("populate hover Word: %s" ,begin.get_text(end));return false;
  56                         return true;
  57
  58                 }
  59         }
  60 }