Merge pull request #291 from lesauxvi/textitem

slight changes in TextItem

CHANGELOG

@@ -11,11 +11,16 @@ pyqtgraph-0.9.11  [unreleased]
     - Remove all modifications to builtins
     - Fix SpinBox decimals
 
+  API / behavior changes:
+    - Change the defaut color kwarg to None in TextItem.setText() to avoid changing
+      the color everytime the text is changed.
+
   New Features:
     - Preliminary PyQt5 support
     - DockArea:
 	- Dock titles can be changed after creation
         - Added Dock.sigClosed
+    - Added TextItem.setColor()
 
   Maintenance:
     - Add examples to unit tests

pyqtgraph/graphicsItems/TextItem.py

@@ -50,21 +50,22 @@ class TextItem(GraphicsObject):
         self._lastTransform = None
         self._bounds = QtCore.QRectF()
         if html is None:
-            self.setText(text, color)
+            self.setColor(color)
+            self.setText(text)
         else:
             self.setHtml(html)
         self.fill = fn.mkBrush(fill)
         self.border = fn.mkPen(border)
         self.setAngle(angle)
 
-    def setText(self, text, color=(200,200,200)):
+    def setText(self, text, color=None):
         """
-        Set the text and color of this item. 
+        Set the text of this item. 
         
         This method sets the plain text of the item; see also setHtml().
         """
-        color = fn.mkColor(color)
+        if color is not None:
-        self.textItem.setDefaultTextColor(color)
+            self.setColor(color)
         self.textItem.setPlainText(text)
         self.updateTextPos()
         
@@ -115,6 +116,15 @@ class TextItem(GraphicsObject):
         self.anchor = Point(anchor)
         self.updateTextPos()
 
+    def setColor(self, color):
+        """
+        Set the color for this text.
+        
+        See QtGui.QGraphicsItem.setDefaultTextColor().
+        """
+        self.color = fn.mkColor(color)
+        self.textItem.setDefaultTextColor(self.color)
+        
     def updateTextPos(self):
         # update text position to obey anchor
         r = self.textItem.boundingRect()