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diff: do not fail on editors with negative size

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this can actually happen for some layouts, ex: BorderLayout
This commit is contained in:
Aleksey Pivovarov
2016-03-03 18:57:01 +03:00
parent cbebfe1c73
commit 06ddccb92a
1 changed files with 1 additions and 0 deletions
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platform/diff-impl/src/com/intellij/diff/util/DiffDividerDrawUtil.java
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@@ -198,6 +198,7 @@ public class DiffDividerDrawUtil {
@NotNull
private static LineRange getVisibleInterval(Editor editor) {
Rectangle area = editor.getScrollingModel().getVisibleArea();
if (area.height < 0) return new LineRange(0, 0);
LogicalPosition position1 = editor.xyToLogicalPosition(new Point(0, area.y));
LogicalPosition position2 = editor.xyToLogicalPosition(new Point(0, area.y + area.height));
return new LineRange(position1.line, position2.line);