[PyKDE] (no subject)

[David Boddie]

On Wed Feb 8 18:26:28 MET 2006, Patrick Stinson wrote:  
  
>Yeah, I"m getting the same problem. If you set the role color for 
>the child widget, and set the role color for the parent widget, 
>the child widget just gets the color for the parent widget. This 
>means that you can't give child widgets their own color. For 
>example, the following code shows no red  
 
I'm guessing that this is with Qt 4.1.0. 
 
[Quoting as originally written] 
 
class AllGreen(QWidget): 
    def __init__(self): 
        QWidget.__init__(self) 
 
        self.w = QWidget(self) 
        self.w.setFixedSize(100, 100) 
 
        palette = self.w.palette() 
        role = self.w.backgroundRole() 
        palette.setColor(role, QColor('red')) 
        self.w.setPalette(palette) 
 
        palette = self.palette() 
        role = self.backgroundRole() 
        palette.setColor(role, QColor('green')) 
        self.setPalette(palette) 
 
You can make the child widget visible by adding the following 
line: 
 
        self.w.setAutoFillBackground(True) 
 
Contents propagation is enabled by default in Qt 4.1.0. For custom 
widgets where you reimplement QWidget's paintEvent(), you can do 
various things to allow effects like partial transparency for child 
widgets while still adding your own colour scheme. However, a plain 
QWidget has to draw itself, so this seems like the quickest way to 
get what you want. 
 
David 


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