Op 6-6-2012 11:07, A.Dmitrovsky schreef:
here i found where is behaviour André is talking about documented:
http://qt-project.org/doc/qt-4.8/stylesheet.html:
When a style sheet is active, the QStyle returned by QWidget::style() is a wrapper
"style sheet" style, not the platform-specific style. The wrapper style ensures
that any active style sheet is respected and otherwise forwards the drawing operations to
the underlying, platform-specific style (e.g., QWindowsXPStyle on Windows XP).
Clearer, perhaps, is this section from QWidget::setPalette:
The current style, which is used to render the content of all
standard Qt widgets, is free to choose colors and brushes from the
widget palette, or in some cases, to ignore the palette (partially,
or completely). In particular, certain styles like GTK style, Mac
style, Windows XP, and Vista style, depend on third party APIs to
render the content of widgets, and these styles typically do not
follow the palette. Because of this, assigning roles to a widget's
palette is not guaranteed to change the appearance of the widget.
Instead, you may choose to apply a styleSheet. You can refer to our
Knowledge Base article here for more information.
I think that quite clearly says what I also said: setPalette cannot be
relied on, and is thus effectively useless. Pitty is: style sheet
support is incomplete (no API for custom widgets), so in some cases
(mainly if you use your own widgets), you're basically screwed. You
cannot rely on the palette to work properly, but you cannot use style
sheets either.
André
06.06.2012, 12:34, "André Somers"<an...@familiesomers.nl>:
Op 5-6-2012 20:47, "Alexander Carôt" schreef:
Hi all,
I have a question in context with QSpinEdit:
On a Mac this call successfully changes the color of the spinEdit:
spin->setAutoFillBackground(true);
spin->setPalette( *greenFgPalette );
On Win, however, this call seems to be ignored - the spinEdit remains white.
Can anyone tell me how to make it work under Win ?
Thanks in advance,
best
Alex
Styles are free to ignore the set palette, and some styles, especially
those using native rendering like on windows, do in fact ignore the
palette. However, all styles will obey the style sheet. So, instead of
the palette, use a style sheet.
spin->setStyleSheet("QSpinBox {background-color: rgb(0, 255, 0);}");
That should work on both platforms.
André
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