Basic touch display based input handler. 更多...
| 头： | #include <QTouch3DInputHandler> |
| CMake: |
find_package(Qt6 REQUIRED COMPONENTS Graphs)
target_link_libraries(mytarget PRIVATE Qt6::Graphs) |
| qmake: | QT += graphs |
| 实例化： | TouchInputHandler3D |
| 继承： | Q3DInputHandler |
| 状态： | 技术预览 |
| QTouch3DInputHandler (QObject * parent = nullptr) | |
| virtual | ~QTouch3DInputHandler () |
| virtual void | touchEvent (QTouchEvent * event ) override |
QTouch3DInputHandler is the basic input handler for touch screen devices.
Default touch input handler has the following functionalty:
| Gesture | 动作 |
|---|---|
| Touch-And-Move | Rotate graph within limits |
| Tap | Select the item tapped or remove selection if none. May open the secondary view depending on the 选定模式 . |
| Tap-And-Hold | Same as tap. |
| Pinch | Zoom in/out within the allowable zoom range. |
| Tap on the primary view when the secondary view is visible |
Closes the secondary view. 注意： Secondary view is available only for Q3DBars and Q3DSurface 图形。 |
Rotation, zoom, and selection can each be individually disabled using corresponding Q3DInputHandler 特性。
[explicit]
QTouch3DInputHandler::
QTouch3DInputHandler
(
QObject
*
parent
= nullptr)
Constructs the basic touch display input handler. An optional parent 参数可以给出，然后会被传递给 QObject 构造函数。
[virtual noexcept]
QTouch3DInputHandler::
~QTouch3DInputHandler
()
Destroys the input handler.
[override virtual]
void
QTouch3DInputHandler::
touchEvent
(
QTouchEvent
*
event
)
重实现： QAbstract3DInputHandler::touchEvent (QTouchEvent *event).
Override this to change handling of touch events. Touch event is given in the event .