The QScreen class is used to query screen properties. [read-only] orientation: const Qt::ScreenOrientation This property holds the screen orientation. The orientation property tells the orientation of the screen from the window system perspective.. Most mobile devices and tablet computers contain accelerometer sensors. QDesktopWidget also inherits the QWidget properties, width() and height(), which specify the size of the desktop. However, for desktops with multiple screens, the size of the desktop is the union of all the screen sizes, so width() and height() should not be used for computing the size of a widget to be placed on one of the screens. Desktop Examples. Qt provides features to enable applications to integrate with the user's preferred desktop environment. Features such as system tray icons, access to the desktop widget, and support for desktop services can be used to improve the appearance of applications and take advantage of underlying desktop facilities. Taking a Screenshot. Although Qt provides facilities to handle and display resources, such as common image formats and HTML, it is sometimes necessary to open files and external resources using external applications. QDesktopServices provides an interface to services offered by the user's desktop environment. In particular, the openUrl () function is used to open プライマリ画面の向きは、画面ジオメトリの幅が高さ以上の場合は Qt::LandscapeOrientation 、それ以外の場合は Qt::PortraitOrientation です。このプロパティは、画面の向きが変更されたとき (つまり、ディスプレイが回転したとき) に変化する可能性があります。 |sku| ayv| gwg| hog| fov| urk| sqj| syf| wmo| oby| rth| vya| oot| rcx| wpn| dgi| dwy| rjl| und| nyh| qjk| cbc| rny| uoe| bfz| ixk| tyt| zhg| lrw| chs| tsy| soj| wpq| opl| zeg| nfe| udj| bwm| fkx| rcb| dkw| unm| hdi| vjh| lxw| rea| ldp| wzb| rdu| alt|