Toggle dialog visibility on application switch

[gvanvoor]

Maybe you are using it wrong. Try the window flags example (or demo) that comes with Qt and see if that works.

I might be using it wrongly, but in that case someone will undoubtedly find what's wrong in this minimal code sample that reproduces the problem:

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
 
    QMainWindow * theDocumentWindow = new QMainWindow();
    theDocumentWindow->setWindowTitle( "Document Window" );
    theDocumentWindow->setCentralWidget( new QLabel( "Document" ) );
    theDocumentWindow->show();
 
    QWidget * theToolsPalette = new QWidget( NULL, Qt::Tool | Qt::WindowTitleHint | Qt::CustomizeWindowHint | Qt::WindowCloseButtonHint );
    theToolsPalette->setWindowTitle( "Tools Palette" );
    QHBoxLayout * thePaletteLayout = new QHBoxLayout( theToolsPalette );
    thePaletteLayout->addWidget( new QLabel( "Tools" ) );
    theToolsPalette->show();
 
    return a.exec();
}

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QMainWindow * theDocumentWindow = new QMainWindow();
    theDocumentWindow->setWindowTitle( "Document Window" );
    theDocumentWindow->setCentralWidget( new QLabel( "Document" ) );
    theDocumentWindow->show();

    QWidget * theToolsPalette = new QWidget( NULL, Qt::Tool | Qt::WindowTitleHint | Qt::CustomizeWindowHint | Qt::WindowCloseButtonHint );
    theToolsPalette->setWindowTitle( "Tools Palette" );
    QHBoxLayout * thePaletteLayout = new QHBoxLayout( theToolsPalette );
    thePaletteLayout->addWidget( new QLabel( "Tools" ) );
    theToolsPalette->show();

    return a.exec();
}

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In the real program window creation is done in the application of course.

[wysota]

Why don't you just try the example I pointed you to?

[gvanvoor]

Why don't you just try the example I pointed you to?

I did, but couldn't find a combination of flags that resulted in the desired behavior. Am I doing something wrong or just expecting too much? The only solution I see at this point is to write a class that raises the tool palettes every time a (document) window has been activated.

[wysota]

So this doesn't work?

cat main.cpp 
#include <QtGui>
 
int main(int argc, char **argv) {
  QApplication app(argc, argv);
  QWidget w;
  QWidget d(&w);
  d.setWindowFlags(Qt::Tool);
  w.show();
  d.show();
  return app.exec();
}

cat main.cpp 
#include <QtGui>

int main(int argc, char **argv) {
  QApplication app(argc, argv);
  QWidget w;
  QWidget d(&w);
  d.setWindowFlags(Qt::Tool);
  w.show();
  d.show();
  return app.exec();
}

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[gvanvoor]

So this doesn't work?

cat main.cpp 
#include <QtGui>
 
int main(int argc, char **argv) {
  QApplication app(argc, argv);
  QWidget w;
  QWidget d(&w);
  d.setWindowFlags(Qt::Tool);
  w.show();
  d.show();
  return app.exec();
}

cat main.cpp 
#include <QtGui>

int main(int argc, char **argv) {
  QApplication app(argc, argv);
  QWidget w;
  QWidget d(&w);
  d.setWindowFlags(Qt::Tool);
  w.show();
  d.show();
  return app.exec();
}

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This probably works, but as I have more than one Document Window and the tools need to stay on top of all of them I can't use that :-(