Constant |
Value |
Description |
QEvent::None |
0 |
Not an event. |
QEvent::ActionAdded |
114 |
A new action has been added (QActionEvent). |
QEvent::ActionChanged |
113 |
An action has been changed (QActionEvent). |
QEvent::ActionRemoved |
115 |
An action has been removed (QActionEvent). |
QEvent::ActivationChange |
99 |
A widget's top-level window activation state has changed. |
QEvent::ApplicationActivate |
121 |
The application has been made available to the user. |
QEvent::ApplicationActivated |
ApplicationActivate |
This enum has been deprecated. Use ApplicationActivate instead. |
QEvent::ApplicationDeactivate |
122 |
The application has been suspended, and is unavailable to the user. |
QEvent::ApplicationFontChange |
36 |
The default application font has changed. |
QEvent::ApplicationLayoutDirectionChange |
37 |
The default application layout direction has changed. |
QEvent::ApplicationPaletteChange |
38 |
The default application palette has changed. |
QEvent::ApplicationWindowIconChange |
35 |
The application's icon has changed. |
QEvent::ChildAdded |
68 |
An object gets a child (QChildEvent). |
QEvent::ChildPolished |
69 |
A widget child gets polished (QChildEvent). |
QEvent::ChildRemoved |
71 |
An object loses a child (QChildEvent). |
QEvent::Clipboard |
40 |
The clipboard contents have changed (QClipboardEvent). |
QEvent::Close |
19 |
Widget was closed (QCloseEvent). |
QEvent::CloseSoftwareInputPanel |
200 |
A widget wants to close the software input panel (SIP). |
QEvent::ContentsRectChange |
178 |
The margins of the widget's content rect changed. |
QEvent::ContextMenu |
82 |
Context popup menu (QContextMenuEvent). |
QEvent::CursorChange |
183 |
The widget's cursor has changed. |
QEvent::DeferredDelete |
52 |
The object will be deleted after it has cleaned up (QDeferredDeleteEvent). |
QEvent::DragEnter |
60 |
The cursor enters a widget during a drag and drop operation (QDragEnterEvent). |
QEvent::DragLeave |
62 |
The cursor leaves a widget during a drag and drop operation (QDragLeaveEvent). |
QEvent::DragMove |
61 |
A drag and drop operation is in progress (QDragMoveEvent). |
QEvent::Drop |
63 |
A drag and drop operation is completed (QDropEvent). |
QEvent::DynamicPropertyChange |
170 |
A dynamic property was added, changed, or removed from the object. |
QEvent::EnabledChange |
98 |
Widget's enabled state has changed. |
QEvent::Enter |
10 |
Mouse enters widget's boundaries (QEnterEvent). |
QEvent::EnterEditFocus |
150 |
An editor widget gains focus for editing. QT_KEYPAD_NAVIGATION must be defined. |
QEvent::EnterWhatsThisMode |
124 |
Send to toplevel widgets when the application enters "What's This?" mode. |
QEvent::Expose |
206 |
Sent to a window when its on-screen contents are invalidated and need to be flushed from the backing store. |
QEvent::FileOpen |
116 |
File open request (QFileOpenEvent). |
QEvent::FocusIn |
8 |
Widget or Window gains keyboard focus (QFocusEvent). |
QEvent::FocusOut |
9 |
Widget or Window loses keyboard focus (QFocusEvent). |
QEvent::FocusAboutToChange |
23 |
Widget or Window focus is about to change (QFocusEvent) |
QEvent::FontChange |
97 |
Widget's font has changed. |
QEvent::Gesture |
198 |
A gesture was triggered (QGestureEvent). |
QEvent::GestureOverride |
202 |
A gesture override was triggered (QGestureEvent). |
QEvent::GrabKeyboard |
188 |
Item gains keyboard grab (QGraphicsItem only). |
QEvent::GrabMouse |
186 |
Item gains mouse grab (QGraphicsItem only). |
QEvent::GraphicsSceneContextMenu |
159 |
Context popup menu over a graphics scene (QGraphicsSceneContextMenuEvent). |
QEvent::GraphicsSceneDragEnter |
164 |
The cursor enters a graphics scene during a drag and drop operation (QGraphicsSceneDragDropEvent). |
QEvent::GraphicsSceneDragLeave |
166 |
The cursor leaves a graphics scene during a drag and drop operation (QGraphicsSceneDragDropEvent). |
QEvent::GraphicsSceneDragMove |
165 |
A drag and drop operation is in progress over a scene (QGraphicsSceneDragDropEvent). |
QEvent::GraphicsSceneDrop |
167 |
A drag and drop operation is completed over a scene (QGraphicsSceneDragDropEvent). |
QEvent::GraphicsSceneHelp |
163 |
The user requests help for a graphics scene (QHelpEvent). |
QEvent::GraphicsSceneHoverEnter |
160 |
The mouse cursor enters a hover item in a graphics scene (QGraphicsSceneHoverEvent). |
QEvent::GraphicsSceneHoverLeave |
162 |
The mouse cursor leaves a hover item in a graphics scene (QGraphicsSceneHoverEvent). |
QEvent::GraphicsSceneHoverMove |
161 |
The mouse cursor moves inside a hover item in a graphics scene (QGraphicsSceneHoverEvent). |
QEvent::GraphicsSceneMouseDoubleClick |
158 |
Mouse press again (double click) in a graphics scene (QGraphicsSceneMouseEvent). |
QEvent::GraphicsSceneMouseMove |
155 |
Move mouse in a graphics scene (QGraphicsSceneMouseEvent). |
QEvent::GraphicsSceneMousePress |
156 |
Mouse press in a graphics scene (QGraphicsSceneMouseEvent). |
QEvent::GraphicsSceneMouseRelease |
157 |
Mouse release in a graphics scene (QGraphicsSceneMouseEvent). |
QEvent::GraphicsSceneMove |
182 |
Widget was moved (QGraphicsSceneMoveEvent). |
QEvent::GraphicsSceneResize |
181 |
Widget was resized (QGraphicsSceneResizeEvent). |
QEvent::GraphicsSceneWheel |
168 |
Mouse wheel rolled in a graphics scene (QGraphicsSceneWheelEvent). |
QEvent::Hide |
18 |
Widget was hidden (QHideEvent). |
QEvent::HideToParent |
27 |
A child widget has been hidden. |
QEvent::HoverEnter |
127 |
The mouse cursor enters a hover widget (QHoverEvent). |
QEvent::HoverLeave |
128 |
The mouse cursor leaves a hover widget (QHoverEvent). |
QEvent::HoverMove |
129 |
The mouse cursor moves inside a hover widget (QHoverEvent). |
QEvent::IconDrag |
96 |
The main icon of a window has been dragged away (QIconDragEvent). |
QEvent::IconTextChange |
101 |
Widget's icon text has been changed. |
QEvent::InputMethod |
83 |
An input method is being used (QInputMethodEvent). |
QEvent::InputMethodQuery |
207 |
A input method query event (QInputMethodQueryEvent) |
QEvent::KeyboardLayoutChange |
169 |
The keyboard layout has changed. |
QEvent::KeyPress |
6 |
Key press (QKeyEvent). |
QEvent::KeyRelease |
7 |
Key release (QKeyEvent). |
QEvent::LanguageChange |
89 |
The application translation changed. |
QEvent::LayoutDirectionChange |
90 |
The direction of layouts changed. |
QEvent::LayoutRequest |
76 |
Widget layout needs to be redone. |
QEvent::Leave |
11 |
Mouse leaves widget's boundaries. |
QEvent::LeaveEditFocus |
151 |
An editor widget loses focus for editing. QT_KEYPAD_NAVIGATION must be defined. |
QEvent::LeaveWhatsThisMode |
125 |
Send to toplevel widgets when the application leaves "What's This?" mode. |
QEvent::LocaleChange |
88 |
The system locale has changed. |
QEvent::NonClientAreaMouseButtonDblClick |
176 |
A mouse double click occurred outside the client area. |
QEvent::NonClientAreaMouseButtonPress |
174 |
A mouse button press occurred outside the client area. |
QEvent::NonClientAreaMouseButtonRelease |
175 |
A mouse button release occurred outside the client area. |
QEvent::NonClientAreaMouseMove |
173 |
A mouse move occurred outside the client area. |
QEvent::MacSizeChange |
177 |
The user changed his widget sizes (Mac OS X only). |
QEvent::MetaCall |
43 |
An asynchronous method invocation viaQMetaObject::invokeMethod(). |
QEvent::ModifiedChange |
102 |
Widgets modification state has been changed. |
QEvent::MouseButtonDblClick |
4 |
Mouse press again (QMouseEvent). |
QEvent::MouseButtonPress |
2 |
Mouse press (QMouseEvent). |
QEvent::MouseButtonRelease |
3 |
Mouse release (QMouseEvent). |
QEvent::MouseMove |
5 |
Mouse move (QMouseEvent). |
QEvent::MouseTrackingChange |
109 |
The mouse tracking state has changed. |
QEvent::Move |
13 |
Widget's position changed (QMoveEvent). |
QEvent::OrientationChange |
208 |
The screens orientation has changes (QScreenOrientationChangeEvent) |
QEvent::Paint |
12 |
Screen update necessary (QPaintEvent). |
QEvent::PaletteChange |
39 |
Palette of the widget changed. |
QEvent::ParentAboutToChange |
131 |
The widget parent is about to change. |
QEvent::ParentChange |
21 |
The widget parent has changed. |
QEvent::PlatformPanel |
212 |
A platform specific panel has been requested. |
QEvent::Polish |
75 |
The widget is polished. |
QEvent::PolishRequest |
74 |
The widget should be polished. |
QEvent::QueryWhatsThis |
123 |
The widget should accept the event if it has "What's This?" help. |
QEvent::RequestSoftwareInputPanel |
199 |
A widget wants to open a software input panel (SIP). |
QEvent::Resize |
14 |
Widget's size changed (QResizeEvent). |
QEvent::ScrollPrepare |
204 |
The object needs to fill in its geometry information (QScrollPrepareEvent). |
QEvent::Scroll |
205 |
The object needs to scroll to the supplied position (QScrollEvent). |
QEvent::Shortcut |
117 |
Key press in child for shortcut key handling (QShortcutEvent). |
QEvent::ShortcutOverride |
51 |
Key press in child, for overriding shortcut key handling (QKeyEvent). |
QEvent::Show |
17 |
Widget was shown on screen (QShowEvent). |
QEvent::ShowToParent |
26 |
A child widget has been shown. |
QEvent::SockAct |
50 |
Socket activated, used to implementQSocketNotifier. |
QEvent::StateMachineSignal |
192 |
A signal delivered to a state machine (QStateMachine::SignalEvent). |
QEvent::StateMachineWrapped |
193 |
The event is a wrapper for, i.e., contains, another event (QStateMachine::WrappedEvent). |
QEvent::StatusTip |
112 |
A status tip is requested (QStatusTipEvent). |
QEvent::StyleChange |
100 |
Widget's style has been changed. |
QEvent::TabletMove |
87 |
Wacom tablet move (QTabletEvent). |
QEvent::TabletPress |
92 |
Wacom tablet press (QTabletEvent). |
QEvent::TabletRelease |
93 |
Wacom tablet release (QTabletEvent). |
QEvent::OkRequest |
94 |
Ok button in decoration pressed. Supported only for Windows CE. |
QEvent::TabletEnterProximity |
171 |
Wacom tablet enter proximity event (QTabletEvent), sent to QApplication. |
QEvent::TabletLeaveProximity |
172 |
Wacom tablet leave proximity event (QTabletEvent), sent to QApplication. |
QEvent::ThreadChange |
22 |
The object is moved to another thread. This is the last event sent to this object in the previous thread. See QObject::moveToThread(). |
QEvent::Timer |
1 |
Regular timer events (QTimerEvent). |
QEvent::ToolBarChange |
120 |
The toolbar button is toggled on Mac OS X. |
QEvent::ToolTip |
110 |
A tooltip was requested (QHelpEvent). |
QEvent::ToolTipChange |
184 |
The widget's tooltip has changed. |
QEvent::TouchBegin |
194 |
Beginning of a sequence of touch-screen or track-pad events (QTouchEvent). |
QEvent::TouchCancel |
209 |
Cancellation of touch-event sequence (QTouchEvent). |
QEvent::TouchEnd |
196 |
End of touch-event sequence (QTouchEvent). |
QEvent::TouchUpdate |
195 |
Touch-screen event (QTouchEvent). |
QEvent::UngrabKeyboard |
189 |
Item loses keyboard grab (QGraphicsItem only). |
QEvent::UngrabMouse |
187 |
Item loses mouse grab (QGraphicsItem only). |
QEvent::UpdateLater |
78 |
The widget should be queued to be repainted at a later time. |
QEvent::UpdateRequest |
77 |
The widget should be repainted. |
QEvent::WhatsThis |
111 |
The widget should reveal "What's This?" help (QHelpEvent). |
QEvent::WhatsThisClicked |
118 |
A link in a widget's "What's This?" help was clicked. |
QEvent::Wheel |
31 |
Mouse wheel rolled (QWheelEvent). |
QEvent::WinEventAct |
132 |
A Windows-specific activation event has occurred. |
QEvent::WindowActivate |
24 |
Window was activated. |
QEvent::WindowBlocked |
103 |
The window is blocked by a modal dialog. |
QEvent::WindowDeactivate |
25 |
Window was deactivated. |
QEvent::WindowIconChange |
34 |
The window's icon has changed. |
QEvent::WindowStateChange |
105 |
The window's state (minimized, maximized or full-screen) has changed (QWindowStateChangeEvent). |
QEvent::WindowTitleChange |
33 |
The window title has changed. |
QEvent::WindowUnblocked |
104 |
The window is unblocked after a modal dialog exited. |
QEvent::WinIdChange |
203 |
The window system identifer for this native widget has changed. |
QEvent::ZOrderChange |
126 |
The widget's z-order has changed. This event is never sent to top level windows.(点击使窗口置顶)
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