Add SCI_SELECTIONFROMPOINT for modifying multiple selections.

1 files changed, 36 insertions, 3 deletions

diff --git a/test/simpleTests.py b/test/simpleTests.py
index fd1f7423a..4263ad036 100644
--- a/test/simpleTests.py
+++ b/test/simpleTests.py
@@ -809,11 +809,44 @@ class TestSimple(unittest.TestCase):
 		self.assertEqual(self.ed.TargetEndVirtualSpace, 0)
 
 	def testPointsAndPositions(self):
-		self.ed.AddText(1, b"x")
+		self.ed.SetContents(b"xyz")
+
+		# Inter-character positions
 		# Start of text
-		self.assertEqual(self.ed.PositionFromPoint(0,0), 0)
+		self.assertEqual(self.ed.PositionFromPoint(1,1), 0)
 		# End of text
-		self.assertEqual(self.ed.PositionFromPoint(0,100), 1)
+		self.assertEqual(self.ed.PositionFromPoint(100, 1), 3)
+		self.assertEqual(self.ed.PositionFromPointClose(100, 1), -1)
+		
+		# Character positions
+		# Start of text
+		self.assertEqual(self.ed.CharPositionFromPoint(0,0), 0)
+		# End of text
+		self.assertEqual(self.ed.CharPositionFromPoint(100, 0), 3)
+		self.assertEqual(self.ed.CharPositionFromPointClose(100, 0), -1)
+
+	def testSelectionFromPoint(self):
+		self.ed.SetContents(b"xxxxxx")
+		self.ed.SetSelection(3, 2)
+		self.ed.AddSelection(0, 1)
+		self.ed.AddSelection(5, 5)	# Empty
+		xStart = self.ed.PointXFromPosition(0, 0)
+		xEnd = self.ed.PointXFromPosition(0, 5)
+		width = xEnd-xStart
+		charWidth = width // 5
+		widthMid = charWidth // 2
+
+		posMid1 = xStart+widthMid
+		self.assertEqual(self.ed.SelectionFromPoint(posMid1, 1), 1)
+		posMid2 = xStart+charWidth+widthMid
+		self.assertEqual(self.ed.SelectionFromPoint(posMid2, 1), -1)
+		posMid3 = xStart+charWidth*2+widthMid
+		self.assertEqual(self.ed.SelectionFromPoint(posMid3, 1), 0)
+		# Empty selection at 5. Exact and then a few pixels either side
+		self.assertEqual(self.ed.SelectionFromPoint(xEnd, 1), 2)
+		self.assertEqual(self.ed.SelectionFromPoint(xEnd-2, 1), 2)
+		self.assertEqual(self.ed.SelectionFromPoint(xEnd+2, 1), 2)
+		self.assertEqual(self.ed.SelectionFromPoint(100, 0), -1)
 
 	def testLinePositions(self):
 		text = b"ab\ncd\nef"