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This article is about how to get the width and height of the desktop in Qt. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Function name / / Desktop width height static int deskWidth (); static int deskHeight (); / Program File name + current path static QString appName (); static QString appPath (); / / initialize random number seed static void initRand (); function body int QUIHelper::deskWidth () {/ / it is not necessary to get every time, only if the variable is empty to get static int width = 0 If (width = = 0) {width = qApp- > desktop ()-> availableGeometry (). Width ();} return width;} int QUIHelper::deskHeight () {/ / it is not necessary to get every time, static int height = 0 only if the variable is empty; if (height = = 0) {height = qApp- > desktop ()-> availableGeometry (). Height ();} return height } QString QUIHelper::appName () {/ / it is not necessary to get every time, only if the variable is empty to get static QString name; if (name.isEmpty ()) {name = qApp- > applicationFilePath (); QStringList list = name.split ("/"); name = list.at (list.count ()-1). Split ("."). At (0);} return name } QString QUIHelper::appPath () {# ifdef Q_OS_ANDROID return QString ("/ sdcard/Android/%1") .arg (appName ()); # else return qApp- > applicationDirPath (); # endif} void QUIHelper::initRand () {/ / initialize the random number seed QTime t = QTime::currentTime (); qsrand (t.msec () + t.second () * 1000);} Thank you for reading! This is the end of the article on "how to get the width and height of the desktop in Qt". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!

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