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1. HOW TO SHOW WINDOWS ON TOP OF SCREEN IN QT HOW TO
2. HOW TO SHOW WINDOWS ON TOP OF SCREEN IN QT UPDATE
3. HOW TO SHOW WINDOWS ON TOP OF SCREEN IN QT CODE

This function allows you to specify a parent for your splashscreen. QSplashScreen:: QSplashScreen ( QWidget * parent, const QPixmap & pixmap = QPixmap(), Qt::WindowFlags f = 0 ) There should be no need to set the widget flags, f, except perhaps Qt::WindowStaysOnTopHint. Member Function Documentation QSplashScreen:: QSplashScreen ( const QPixmap & pixmap = QPixmap(), Qt::WindowFlags f = 0 )Ĭonstruct a splash screen that will display the pixmap. Alternatively, you can subclass QSplashScreen and reimplement drawContents(). If you wish to do your own drawing you can get a pointer to the pixmap used in the splash screen with pixmap(). QSplashScreen supports this with the showMessage() function. Splash - > showMessage( "Established connections") Splash - > showMessage( "Loaded modules") QSplashScreen *splash = new QSplashScreen(pixmap)

HOW TO SHOW WINDOWS ON TOP OF SCREEN IN QT UPDATE

It is sometimes useful to update the splash screen with messages, for example, announcing connections established or modules loaded as the application starts up: QPixmap pixmap( ":/splash.png") Since the splash screen is typically displayed before the event loop has started running, it is necessary to periodically call QApplication::processEvents() to receive the mouse clicks. The user can hide the splash screen by clicking on it with the mouse.

HOW TO SHOW WINDOWS ON TOP OF SCREEN IN QT CODE

This is illustrated in the following code snippet in which a splash screen is displayed and some initialization tasks are performed before the application's main window is shown: int main( int argc, char *argv ) The most common usage is to show a splash screen before the main widget is displayed on the screen. A solution is to set up a timer that periodically calls raise() on the splash screen to simulate the "stays on top" effect. Some X11 window managers do not support the "stays on top" flag. It may be useful to add the Qt::WindowStaysOnTopHint to the splash widget's window flags if you want to keep it above all the other windows on the desktop. The splash screen appears in the center of the screen. database or networking applications that take time to establish connections) to provide the user with feedback that the application is loading. Splash screens are often used for applications that have long start up times (e.g. The QSplashScreen widget provides a splash screen that can be shown during application startup.Ī splash screen is a widget that is usually displayed when an application is being started.

HOW TO SHOW WINDOWS ON TOP OF SCREEN IN QT HOW TO

How to create other fb e.g.The QSplashScreen widget provides a splash screen that can be shown during application startup. /dev/fb0 connect windowC or windowB or windowA or other ?.the tx1 dev has only one framebuffer “fb0”,how to display on different layers ?.So,if qt ui can display on windowC and video display on window A or background or B, my case can be solved. Each stage combines its pixels with the previous stage according to programmed equations. I have been read ch.24 Display Controller in TRM of TX1,and find that it is possible for solving my case,but before some questions have to solve.Īccording to ch.24.3.12 Blending, the Tx1 display blender has six stages(layers), and each of the five windows(A,B,C,D,T) is assigned a depth value.The windows are sorted by depth and assigned to a blend stage(layers).