Implementated getting completion suggestions.

See issue #20
Suggestions is not displayed yet.

src/dlangide/tools/EditorTool.d

@@ -15,7 +15,8 @@ class EditorTool
 		_frame = frame;
 	}
 	//Since files might be unsaved, we must send all the text content.
-	abstract bool goToDefinition(DSourceEdit content, TextPosition caretPosition);
+	abstract bool goToDefinition(DSourceEdit editor, TextPosition caretPosition);
+	abstract dstring[] getCompletions(DSourceEdit editor, TextPosition caretPosition);
 
 	protected IDEFrame _frame;
 	

src/dlangide/tools/d/DEditorTool.d

@@ -66,6 +66,40 @@ class DEditorTool : EditorTool
         return true;
     }
 
+    override dstring[] getCompletions(DSourceEdit editor, TextPosition caretPosition) {
+		auto content = editor.text();
+		auto byteOffset = caretPositionToByteOffset(content, caretPosition);
+
+		char[][] arguments = ["-c".dup];
+		arguments ~= [to!(char[])(byteOffset)];
+		arguments ~= [to!(char[])(editor.projectSourceFile.filename())];
+
+		dstring output;
+		_dcd.execute(arguments, output);
+
+		char[] state = "".dup;
+		dstring[] suggestions;
+		foreach(dstring outputLine ; output.splitLines()) {
+			if(outputLine == "identifiers") {
+				state = "identifiers".dup;
+			}
+			else if(outputLine == "calltips") {
+				state = "calltips".dup;
+			}
+			else {
+				auto split = outputLine.indexOf("\t");
+				if(split < 0) {
+					break;
+				}
+				if(state == "identifiers") {
+					suggestions ~= outputLine[0 .. split];
+				}
+			}
+		}
+		return suggestions;
+    }
+
+
 private:
 	DCDInterface _dcd;
 

src/dlangide/ui/commands.d

@@ -41,6 +41,7 @@ enum IDEActions : int {
     ProjectFolderOpenItem,
     ProjectFolderRenameItem,
     GoToDefinition,
+    GetCompletionSuggestions,
 }
 
 const Action ACTION_PROJECT_FOLDER_ADD_ITEM = new Action(IDEActions.ProjectFolderAddItem, "MENU_PROJECT_FOLDER_ADD_ITEM"c);
@@ -87,3 +88,4 @@ const Action ACTION_WINDOW_CLOSE_ALL_DOCUMENTS = new Action(IDEActions.WindowClo
 const Action ACTION_CREATE_NEW_WORKSPACE = new Action(IDEActions.CreateNewWorkspace, "Create new workspace"d);
 const Action ACTION_ADD_TO_CURRENT_WORKSPACE = new Action(IDEActions.AddToCurrentWorkspace, "Add to current workspace"d);
 const Action ACTION_GO_TO_DEFINITION = new Action(IDEActions.GoToDefinition,  "GO_TO_DEFINITION"c, "edit-cut"c, KeyCode.KEY_G, KeyFlag.Control);
+const Action ACTION_GET_COMPLETIONS = new Action(IDEActions.GetCompletionSuggestions,  "GO_TO_DEFINITION"c, "edit-cut"c, KeyCode.KEY_G, KeyFlag.Shift);

src/dlangide/ui/frame.d

@@ -382,6 +382,7 @@ class IDEFrame : AppFrame {
         tb.addButtons(ACTION_PROJECT_BUILD);
 
         tb.addButtons(ACTION_GO_TO_DEFINITION);
+        tb.addButtons(ACTION_GET_COMPLETIONS);
 
         tb = res.getOrAddToolbar("Edit");
         tb.addButtons(ACTION_EDIT_COPY, ACTION_EDIT_PASTE, ACTION_EDIT_CUT, ACTION_SEPARATOR,
@@ -513,9 +514,13 @@ class IDEFrame : AppFrame {
                     dlg.show();
                     return true;
                 case IDEActions.GoToDefinition:
-                    Log.i("Trying to go to definition");
+                    Log.d("Trying to go to definition.");
                     _editorTool.goToDefinition(currentEditor(), currentEditor.getCaretPosition());
                     return true;
+                case IDEActions.GetCompletionSuggestions:
+                    Log.d("Getting auto completion suggestions.");
+                    auto results = _editorTool.getCompletions(currentEditor, currentEditor.getCaretPosition);
+                    return true;
                 default:
                     return super.handleAction(a);
             }