NDEVR
API Documentation
TouchScrollManager.h
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/*--------------------------------------------------------------------------------------------
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Copyright (c) 2019, NDEVR LLC
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tyler.parke@ndevr.org
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__ __ ____ _____ __ __ _______
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| \ | | | __ \ | ___|\ \ / / | __ \
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| \ | | | | \ \ | |___ \ \ / / | |__) |
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| . \| | | |__/ / | |___ \ V / | _ /
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| |\ |_|_____/__|_____|___\_/____| | \ \
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|__| \__________________________________| \__\
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Subject to the terms of the Enterprise+ Agreement, NDEVR hereby grants
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Licensee a limited, non-exclusive, non-transferable, royalty-free license
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(without the right to sublicense) to use the API solely for the purpose of
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Licensee's internal development efforts to develop applications for which
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the API was provided.
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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Library: Widgets
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File: TouchScrollManager
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Included in API: True
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Author(s): Tyler Parke
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*-----------------------------------------------------------------------------------------**/
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#pragma once
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#include "DLLInfo.h"
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#include <QObject>
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#include <QScroller>
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#include <QAbstractItemView>
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namespace
NDEVR
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{
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class
NDEVR_WIDGETS_API
TouchScrollManager
:
public
QObject
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{
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Q_OBJECT
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public
:
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static
void
Run
(QWidget* widget);
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protected
:
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TouchScrollManager
(QWidget* widget);
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protected
:
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void
setup
();
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void
setTouchScroll
(
bool
setup_for_touch);
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protected
slots:
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void
onQScrollerStateChangedSlot
(QScroller::State newState);
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protected
:
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QAbstractItemView::SelectionMode
m_actual_selection_mode
= QAbstractItemView::NoSelection;
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Qt::FocusPolicy
m_actual_focus_policy
= Qt::NoFocus;
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bool
m_actual_auto_scroll
=
false
;
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QTimer*
m_scroll_timer
;
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QWidget*
m_widget
;
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QWidget*
m_target
;
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};
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}
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TouchScrollManager::m_scroll_timer
QTimer * m_scroll_timer
Timer used to delay restoring selection after scrolling.
Definition
TouchScrollManager.h:67
TouchScrollManager::m_actual_auto_scroll
bool m_actual_auto_scroll
The original auto-scroll setting before touch scroll override.
Definition
TouchScrollManager.h:66
TouchScrollManager::onQScrollerStateChangedSlot
void onQScrollerStateChangedSlot(QScroller::State newState)
Slot invoked when the QScroller state changes, used to manage selection during scrolling.
TouchScrollManager::m_actual_focus_policy
Qt::FocusPolicy m_actual_focus_policy
The original focus policy before touch scroll override.
Definition
TouchScrollManager.h:65
TouchScrollManager::m_widget
QWidget * m_widget
The widget being managed for touch scrolling.
Definition
TouchScrollManager.h:68
TouchScrollManager::Run
static void Run(QWidget *widget)
Enables touch-scroll behavior on the given widget.
TouchScrollManager::setup
void setup()
Configures touch scroll settings based on the current widget mode.
TouchScrollManager::TouchScrollManager
TouchScrollManager(QWidget *widget)
Constructs a TouchScrollManager for the given widget.
TouchScrollManager::m_target
QWidget * m_target
The target viewport widget that receives scroll events.
Definition
TouchScrollManager.h:69
TouchScrollManager::m_actual_selection_mode
QAbstractItemView::SelectionMode m_actual_selection_mode
The original selection mode before touch scroll override.
Definition
TouchScrollManager.h:64
TouchScrollManager::setTouchScroll
void setTouchScroll(bool setup_for_touch)
Enables or disables touch-based scrolling on the managed widget.
NDEVR
The primary namespace for the NDEVR SDK.
Definition
ArialTileFetcherModule.h:35
Widgets
Headers
TouchScrollManager.h
NDEVR.org