Add ButtonGroup::clicked(AbstractButton) signal

[ChangeLog][ButtonGroup] Added clicked(AbstractButton) signal
for centralized click handling for grouped buttons.

Change-Id: Ib64d360db211d2763f6237e411152a2a395fd2b5
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 31 insertions, 0 deletions

diff --git a/tests/auto/controls/data/tst_buttongroup.qml b/tests/auto/controls/data/tst_buttongroup.qml
index bb0ffe00..91bc3aa1 100644
--- a/tests/auto/controls/data/tst_buttongroup.qml
+++ b/tests/auto/controls/data/tst_buttongroup.qml
@@ -65,6 +65,11 @@ TestCase {
         signalName: "buttonsChanged"
     }
 
+    SignalSpy {
+        id: clickedSpy
+        signalName: "clicked"
+    }
+
     function init() {
         verify(!checkedButtonSpy.target)
         compare(checkedButtonSpy.count, 0)
@@ -217,6 +222,32 @@ TestCase {
         group.destroy()
     }
 
+    function test_clicked() {
+        var group = buttonGroup.createObject(testCase)
+        verify(group)
+
+        clickedSpy.target = group
+        verify(clickedSpy.valid)
+
+        var button1 = button.createObject(testCase)
+        var button2 = button.createObject(testCase)
+
+        group.addButton(button1)
+        group.addButton(button2)
+
+        button1.clicked()
+        compare(clickedSpy.count, 1)
+        compare(clickedSpy.signalArguments[0][0], button1)
+
+        button2.clicked()
+        compare(clickedSpy.count, 2)
+        compare(clickedSpy.signalArguments[1][0], button2)
+
+        group.destroy()
+        button1.destroy()
+        button2.destroy()
+    }
+
     Component {
         id: checkBoxes
         Item {