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Diffstat (limited to 'examples/datavisualization/custominput/doc/src/custominput.qdoc')
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1 files changed, 0 insertions, 63 deletions
diff --git a/examples/datavisualization/custominput/doc/src/custominput.qdoc b/examples/datavisualization/custominput/doc/src/custominput.qdoc deleted file mode 100644 index d1558761..00000000 --- a/examples/datavisualization/custominput/doc/src/custominput.qdoc +++ /dev/null @@ -1,63 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only - -/*! - \example custominput - \title Custom Input Example - \ingroup qtdatavisualization_examples - \brief Implementing custom input handler in a widget application. - - The Custom Input example shows how to customize the 3D graph controls in a widget application - using a custom graph input handler to capture and process mouse events. - The code in this example shows also how the camera is controlled by using QPropertyAnimation - to animate the camera and item selection is done on mouseover rather than clicking any mouse - buttons. Also the code shows how to implement similar zoom with mouse wheel functionality as - the default input handler implements. - - \image custominput-example.png - - \include examples-run.qdocinc - - \section1 Replacing Default Input Handling - - The default input handling mechanism is replaced by setting the active input handler of - Q3DScatter to \c CustomInputHandler that implements the custom behavior. - - \snippet custominput/scatterdatamodifier.cpp 0 - - \section1 Implementing Custom Selection Handling - - The on mouseover selection handling is implemented in the \c CustomInputHandler that captures - the mouse events. It then stores the last known coordinates to the - QAbstract3DInputHandler::inputPosition property. - - \snippet custominput/custominputhandler.cpp 0 - - As the selection is one shot, and is cleared each time a 3D frame is rendered, a timer is setup - to retrigger selection so that the selection moves to the item currently under the mouse cursor - as the camera animates around the graph even when the mouse cursor is not moving. - - \snippet custominput/scatterdatamodifier.cpp 1 - - \section1 Implementing Custom Zoom Handling - - The camera has a zoom factor that represents amount of zoom in percentages. In this example the - zoom range is limited between 10% and 500%. This range is then divided to four subranges where - \c angleDelta is scaled to different amount of zoom change based on the current subrange. - - \snippet custominput/custominputhandler.cpp 1 - - \section1 Implementing Custom Camera Handling - - The camera is animated to constantly rotate around the graph with two animations. The rotation - around the graph is done with a simple QPropertyAnimation that just increments during 20 - seconds from 0 degrees to 360 degrees and sets the Q3DCamera::xRotation property. - - \snippet custominput/scatterdatamodifier.cpp 2 - - The camera movement up and down is implemented with a QSequentialAnimationGroup that varies - the Q3DCamera::yRotation property of the camera from 5 degrees to 45 degrees and back with in - and out easing. - - \snippet custominput/scatterdatamodifier.cpp 3 -*/ |