diff options
Diffstat (limited to 'src/widgets/kernel/qapplication.cpp')
| -rw-r--r-- | src/widgets/kernel/qapplication.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp index 80912ff409..4922e2e778 100644 --- a/src/widgets/kernel/qapplication.cpp +++ b/src/widgets/kernel/qapplication.cpp @@ -190,6 +190,15 @@ QApplicationPrivate::~QApplicationPrivate() any given time. For non-QWidget based Qt applications, use QGuiApplication instead, as it does not depend on the \l QtWidgets library. + Some GUI applications provide a special batch mode ie. provide command line + arguments for executing tasks without manual intervention. In such non-GUI + mode, it is often sufficient to instantiate a plain QCoreApplication to + avoid unnecessarily initializing resources needed for a graphical user + interface. The following example shows how to dynamically create an + appropriate type of application instance: + + \snippet code/src_gui_kernel_qapplication.cpp 0 + The QApplication object is accessible through the instance() function that returns a pointer equivalent to the global qApp pointer. |