Accessibility: Fix boundaries for text functions in QLineEdit

Make the functions work consistently. For example asking for the line at
the cursor position when the cursor was at the end returned an empty
line before.

Task-number: QTBUG-38500
Change-Id: I60fc78c7be129a59c83efcfce6d8fdd16f2c3f65
Reviewed-by: Jan Arve Sæther <jan-arve.saether@digia.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/widgets/accessible/simplewidgets.cpp b/src/widgets/accessible/simplewidgets.cpp
index 88d3981391..6fd249f372 100644
--- a/src/widgets/accessible/simplewidgets.cpp
+++ b/src/widgets/accessible/simplewidgets.cpp
@@ -752,6 +752,10 @@ QString QAccessibleLineEdit::textBeforeOffset(int offset, QAccessible::TextBound
         *startOffset = *endOffset = -1;
         return QString();
     }
+    if (offset == -1)
+        offset = lineEdit()->text().length();
+    if (offset == -2)
+        offset = cursorPosition();
     return QAccessibleTextInterface::textBeforeOffset(offset, boundaryType, startOffset, endOffset);
 }
 
@@ -762,6 +766,10 @@ QString QAccessibleLineEdit::textAfterOffset(int offset, QAccessible::TextBounda
         *startOffset = *endOffset = -1;
         return QString();
     }
+    if (offset == -1)
+        offset = lineEdit()->text().length();
+    if (offset == -2)
+        offset = cursorPosition();
     return QAccessibleTextInterface::textAfterOffset(offset, boundaryType, startOffset, endOffset);
 }
 
@@ -772,6 +780,10 @@ QString QAccessibleLineEdit::textAtOffset(int offset, QAccessible::TextBoundaryT
         *startOffset = *endOffset = -1;
         return QString();
     }
+    if (offset == -1)
+        offset = lineEdit()->text().length();
+    if (offset == -2)
+        offset = cursorPosition();
     return QAccessibleTextInterface::textAtOffset(offset, boundaryType, startOffset, endOffset);
 }