Fix alpha setting in Designer's "Edit Palette" window

Use QColorDialog::getColor() instead of deprecated
QColorDialog::getRgba(), which causes alpha value
to get lost in the process.

Task-number: QT-4494
Reviewed-by: Jarek Kobus <jkobus@trolltech.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/tools/shared/qtpropertybrowser/qteditorfactory.cpp b/tools/shared/qtpropertybrowser/qteditorfactory.cpp
index 18a596f..1be5ca6 100644
--- a/tools/shared/qtpropertybrowser/qteditorfactory.cpp
+++ b/tools/shared/qtpropertybrowser/qteditorfactory.cpp
@@ -2202,11 +2202,9 @@ void QtColorEditWidget::setValue(const QColor &c)
 
 void QtColorEditWidget::buttonClicked()
 {
-    bool ok = false;
-    QRgb oldRgba = m_color.rgba();
-    QRgb newRgba = QColorDialog::getRgba(oldRgba, &ok, this);
-    if (ok && newRgba != oldRgba) {
-        setValue(QColor::fromRgba(newRgba));
+    const QColor newColor = QColorDialog::getColor(m_color, this, QString(), QColorDialog::ShowAlphaChannel);
+    if (newColor.isValid() && newColor != m_color) {
+        setValue(newColor);
         emit valueChanged(m_color);
     }
 }