🐛 Correctly display highlight regions

src/text-editor-presenter.coffee

@@ -1270,7 +1270,6 @@ class TextEditorPresenter
 
     flash = decoration.consumeNextFlash()
 
-
     startTile = @tileForRow(range.start.row)
     endTile = @tileForRow(range.end.row)
 
@@ -1290,8 +1289,6 @@ class TextEditorPresenter
       if endRow is range.end.row
         tileRange.end.column = range.end.column
 
-      console.log "Range for tile #{currentTile}: #{tileRange.toString()}"
-
       highlightState = tileState.highlights[decoration.id] ?= {
         flashCount: 0
         flashDuration: null
@@ -1317,20 +1314,25 @@ class TextEditorPresenter
 
   buildHighlightRegions: (tileStartRow, screenRange) ->
     lineHeightInPixels = @lineHeight
-    startPixelPosition = @pixelPositionForScreenPositionInTile(tileStartRow, screenRange.start, true)
+    startPixelPosition = @pixelPositionForScreenPositionInTile(tileStartRow, screenRange.start, false)
     endPixelPosition = @pixelPositionForScreenPositionInTile(tileStartRow, screenRange.end, true)
     spannedRows = screenRange.end.row - screenRange.start.row + 1
 
+    regions = []
+
     if spannedRows is 1
-      [
+      region =
         top: startPixelPosition.top
         height: lineHeightInPixels
         left: startPixelPosition.left
-        width: endPixelPosition.left - startPixelPosition.left
-      ]
-    else
-      regions = []
 
+      if screenRange.end.column is Infinity
+        region.right = 0
+      else
+        region.width = endPixelPosition.left - startPixelPosition.left
+
+      regions.push(region)
+    else
       # First row, extending from selection start to the right side of screen
       regions.push(
         top: startPixelPosition.top
@@ -1350,14 +1352,19 @@ class TextEditorPresenter
 
       # Last row, extending from left side of screen to selection end
       if screenRange.end.column > 0
-        regions.push(
+        region =
           top: endPixelPosition.top
           height: lineHeightInPixels
           left: 0
-          width: endPixelPosition.left
-        )
 
-      regions
+        if screenRange.end.column is Infinity
+          region.right = 0
+        else
+          region.width = endPixelPosition.left
+
+        regions.push(region)
+
+    regions
 
   setOverlayDimensions: (decorationId, itemWidth, itemHeight, contentMargin) ->
     @overlayDimensions[decorationId] ?= {}