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Cocoa: fix setting color with alpha channel value for color dialog

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Make sure that if ShowAlphaChannel option is set then also setShowsAlpha
needs to be set for the panel before setting the current color, otherwise
alpha channel value is omitted.

Task-number: QTBUG-24320

Change-Id: Ifb3822711af8ffd0cf6cb4c8aab2b0020d296663
Reviewed-by: Morten Johan Sørvig <morten.sorvig@nokia.com>
This commit is contained in:
Teemu Katajisto 2012-03-22 13:27:21 +02:00 committed by Qt by Nokia
parent 91c44fd31e
commit 89b5244310
2 changed files with 5 additions and 3 deletions
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5
src/plugins/platforms/cocoa/qcocoacolordialoghelper.mm
View File

@ -404,6 +404,11 @@ void QCocoaColorDialogHelper::setCurrentColor_sys(const QColor &color)
if (!mDelegate)
createNSColorPanelDelegate();
QT_MANGLE_NAMESPACE(QNSColorPanelDelegate) *delegate = static_cast<QT_MANGLE_NAMESPACE(QNSColorPanelDelegate) *>(mDelegate);
// make sure that if ShowAlphaChannel option is set then also setShowsAlpha
// needs to be set, otherwise alpha value is omitted
[delegate->mColorPanel setShowsAlpha:options()->testOption(QColorDialogOptions::ShowAlphaChannel)];
NSColor *nsColor;
const QColor::Spec spec = color.spec();
if (spec == QColor::Cmyk) {

3
tests/auto/widgets/dialogs/qcolordialog/tst_qcolordialog.cpp
View File

@ -156,9 +156,6 @@ void tst_QColorDialog::task247349_alpha()
dialog.setOption(QColorDialog::ShowAlphaChannel, true);
int alpha = 0x17;
dialog.setCurrentColor(QColor(0x01, 0x02, 0x03, alpha));
#ifdef Q_OS_MAC
QEXPECT_FAIL("", "Fails on Mac OS X, see QTBUG-24320", Abort);
#endif
QCOMPARE(alpha, dialog.currentColor().alpha());
QCOMPARE(alpha, qAlpha(dialog.currentColor().rgba()));
}