how to select the default screen for an application to run in? multi-head screen

**Lesiok** · 25th January 2011, 13:36

This code opens new window in selected screen :

Qt Code:

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int screen_number = 2;//2 is an example, this is 3th screen, because screens are numbered from 0
MyWidget *my_widget;
QWidget *parent_screen = 0x00;
bool is_virtual_desktop = QApplication::desktop()->isVirtualDesktop();
QPoint bottom_left = QApplication::desktop()->screenGeometry(0).bottomLeft();
 
    if( is_virtual_desktop )
        bottom_left = QApplication::desktop()->screenGeometry(screen_number).bottomLeft();
    else
        parentScreen = QApplication::desktop()->screen(screen_number);
 
    my_widget = new MyWidget(parentScreen);
    if( is_virtual_desktop )
        my_widget->move( bottom_left );

int screen_number = 2;//2 is an example, this is 3th screen, because screens are numbered from 0
MyWidget *my_widget;
QWidget *parent_screen = 0x00;
bool is_virtual_desktop = QApplication::desktop()->isVirtualDesktop();
QPoint bottom_left = QApplication::desktop()->screenGeometry(0).bottomLeft();

    if( is_virtual_desktop )
        bottom_left = QApplication::desktop()->screenGeometry(screen_number).bottomLeft();
    else
        parentScreen = QApplication::desktop()->screen(screen_number);

    my_widget = new MyWidget(parentScreen);
    if( is_virtual_desktop )
        my_widget->move( bottom_left );

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