[Qt-interest] QPalette

[chandrasekar wagmare]

pushButton = new QPushButton(this);
QPixmap pixmap("file.png");
pushButton->setIcon(QIcon(pixmap));
pushButton->setIconSize(pixmap.size());

On Tue, May 5, 2009 at 9:44 AM, Girish Ramakrishnan
<girish at forwardbias.in>wrote:

> Alvaro Sánchez wrote:
> > Hi all,
> >
> >    I'm trying to change the button color (no border) using the below
> code:
> >
> >    QPalette palette = ui.pushButton->palette();
> >    palette.setColor( QPalette::Normal, QPalette::Button, QColor(Qt::red)
> );
> >    ui.pushButton->setPalette(palette);
> >
> >
> >
> >    ui.pushButton->setAutoFillBackground(true);
> >
> >    and the result is wrong, the pushButton border is red instead of the
> > button, does anybody know how to resolve it?
> >
>
> This cannot be resolved, read up the stylesheet documentation as to why.
> http://doc.trolltech.com/4.5/stylesheet.html.
>
> >    If I use QStyleSheet to define a "background-color: red" to apply the
> > pushButton, the result is correct, but my memory grows up, does anybody
> > know why is happening?
> >
> > #include "ui_testqt.h"
> >
> > class testqt : public QDialog
> >  {
> >      Q_OBJECT
> >
> >  public:
> >      testqt(QWidget *parent = 0);
> >
> >
> >      void Refresh();
> >
> >  private slots:
> >      void on_pushButton_pressed();
> >      void closeEvent (QCloseEvent *);
> >
> >
> >  private:
> >      Ui_Dialog ui;
> >
> >      bool bStatus;
> >
> >
> >  };
> >
> >
> > include "testqt.h"
> >
> > testqt::testqt(QWidget *parent)
> >      : QDialog(parent)
> >  {
> >      QString qtstylesheet = "background-color: yellow";
> >
> >      ui.setupUi(this);
> >      bStatus = false;
> >  }
> >
> > void testqt::on_pushButton_pressed()
> > {
> >    bStatus = !bStatus;
> > }
> >
> > void testqt::Refresh()
> > {
> >     QString qtstylesheet = "background-color: yellow";
> >     QString qtstylesheet2 = "background-color: red";
> >
> >    if (bStatus)
> >    {
> >       ui.pushButton->setStyleSheet(qtstylesheet);
> >    }
> >    else
> >    {
> >       ui.pushButton->setStyleSheet(qtstylesheet2);
> >    }
> >
>
> Seems complex. All you need is the following stylesheet:
> setStyleSheet("QPushButton { background-color: yellow; }
> QPushButton:pressed { background-color: red }");
>
> The correct usage is in the documentation above.
>
> Girish
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>



-- 
WAGMARE
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