以下成员源于类 QGuiApplication 被弃用。 提供它们是为使旧源代码能继续工作。强烈建议不要在新代码中使用它们。
| 
(deprecated (6.0))
								void | fontChanged (const QFont & font ) | 
| 
(deprecated (6.0))
								void | paletteChanged (const QPalette & palette ) | 
[signal, since 5.11]
						
						
							void
						
						QGuiApplication::
						
							fontChanged
						
						(const
						
							
								QFont
							
						
						&
						
							font
						
						)
						
					This function is deprecated since 6.0. We strongly advise against using it in new code.
Handle QEvent::ApplicationFontChange 代替。
此信号被发射当 font of the application changes. Use QEvent::ApplicationFontChanged instead.
该函数在 Qt 5.11 引入。
另请参阅 font ().
[signal, since 5.4]
						
						
							void
						
						QGuiApplication::
						
							paletteChanged
						
						(const
						
							
								QPalette
							
						
						&
						
							palette
						
						)
						
					This function is deprecated since 6.0. We strongly advise against using it in new code.
Handle QEvent::ApplicationPaletteChange 代替。
此信号被发射当 palette of the application changes. Use QEvent::ApplicationPaletteChanged instead.
该函数在 Qt 5.4 引入。
另请参阅 palette ().