QQuickTextField: add placeholderTextColor property

Add placeholderTextColor property for user convenience to customize the
placeholderText color to fit the backgrounds.

[ChangeLog][TextField] Added placeholderTextColor property for user
convenience to customize the placeholderText color to fit the backgrounds.

Task-number: QTBUG-66260
Change-Id: I9755ea5ccf2ff416846bdf130dbd352892fd40a2
Reviewed-by: J-P Nurmi <jpnurmi@qt.io>

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/auto/controls/data/tst_textfield.qml b/tests/auto/controls/data/tst_textfield.qml
index 0fee7363..1bdf5151 100644
--- a/tests/auto/controls/data/tst_textfield.qml
+++ b/tests/auto/controls/data/tst_textfield.qml
@@ -435,4 +435,21 @@ TestCase {
         mouseClick(control, control.width / 2, control.height / 2, Qt.LeftButton | Qt.RightButton)
         compare(control.selectedText, "")
     }
+
+    // QTBUG-66260
+    function test_placeholderTextColor() {
+        var control = createTemporaryObject(textField, testCase)
+        verify(control)
+
+        // usually default value should not be pure opacue black
+        verify(control.placeholderTextColor !== "#ff000000")
+        control.placeholderTextColor = "#12345678"
+        compare(control.placeholderTextColor, "#12345678")
+
+        for (var i = 0; i < control.children.length; ++i) {
+            if (control.children[i].hasOwnProperty("text"))
+                compare(control.children[i].color, control.placeholderTextColor) // placeholder.color
+        }
+
+    }
 }