forked from xuos/xiuos
Add nuttx to the system framework, which is 10.1.0
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TangYiwen123
@@ -0,0 +1,340 @@
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/****************************************************************************
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* apps/include/graphics/nxwidgets/cglyphsliderhorizontal.hxx
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*
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* Copyright (C) 2013, 2014 Ken Pettit. All rights reserved.
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* Author: Ken Pettit <pettitkd@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
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* me be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************
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*
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* Portions of this package derive from Woopsi (http://woopsi.org/) and
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* portions are original efforts. It is difficult to determine at this
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* point what parts are original efforts and which parts derive from Woopsi.
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* However, in any event, the work of Antony Dzeryn will be acknowledged
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* in most NxWidget files. Thanks Antony!
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*
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* Copyright (c) 2007-2011, Antony Dzeryn
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the names "Woopsi", "Simian Zombie" nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Antony Dzeryn BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_INCLUDE_GRAPHICS_NXWIDGETS_CGLYPHSLIDERHORIZONTAL_HXX
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#define __APPS_INCLUDE_GRAPHICS_NXWIDGETS_CGLYPHSLIDERHORIZONTAL_HXX
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include "graphics/nxwidgets/csliderhorizontal.hxx"
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#include "graphics/nxwidgets/cglyphsliderhorizontalgrip.hxx"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Implementation Classes
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****************************************************************************/
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#if defined(__cplusplus)
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namespace NXWidgets
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{
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/**
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* Widget providing a sliding "grip" that can be moved left and
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* right in the "gutter". Essentially a scrollbar, but more
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* generic.
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*/
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class CGlyphSliderHorizontal : public ISlider, public CNxWidget, public CWidgetEventHandler
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{
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protected:
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CGlyphSliderHorizontalGrip *m_grip; /**< Pointer to the grip. */
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int m_minimumValue; /**< Minimum value that the grip can represent. */
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int m_maximumValue; /**< Maximum value that the grip can represent. */
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int32_t m_value; /**< Current value of the slider. */
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nxgl_coord_t m_minimumGripWidth; /**< Smallest width that the grip can become */
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nxgl_coord_t m_pageSize; /**< Value of a page of data, used when clicking
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the gutter. */
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int32_t m_gutterWidth; /**< Width of the gutter, taking into account
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any adjustments made to the width of the grip. */
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uint32_t m_contentSize; /**< Number of values in the min/max range. */
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nxwidget_pixel_t m_fillColor; /**< Fill color for left side of "fuel gague" */
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bool m_fill; /**< Set true if fill is active */
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uint32_t m_barThickness; /**< Thickness (in pixels) of the bar */
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/**
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* Get the maximum possible value that the slider can represent. Useful when
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* using the slider as a scrollbar, as the height of the grip prevents the full
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* range of values being accessed (intentionally).
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* The returned value is shifted left 16 places for more accuracy in fixed-point
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* calculations.
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*
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* @return The maximum possible value that the slider can represent.
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*/
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int32_t getPhysicalMaximumValueWithBitshift(void) const;
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/**
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* Get the value represented by the top of the grip.
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* return The value represented by the top of the grip.
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*/
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const int32_t getGripValue(void) const;
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/**
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* Draw the area of this widget that falls within the clipping region.
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* Called by the redraw() function to draw all visible regions.
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*
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* @param port The CGraphicsPort to draw to.
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* @see redraw()
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*/
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virtual void drawContents(CGraphicsPort *port);
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/**
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* Draw the area of this widget that falls within the clipping region.
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* Called by the redraw() function to draw all visible regions.
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*
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* @param port The CGraphicsPort to draw to.
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* @see redraw()
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*/
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virtual void drawBorder(CGraphicsPort *port);
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/**
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* Resize the slider to the new dimensions.
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*
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* @param width The new width.
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* @param height The new height.
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*/
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virtual void onResize(nxgl_coord_t width, nxgl_coord_t height);
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/**
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* Moves the grip towards the mouse.
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*
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* @param x The x coordinate of the click.
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* @param y The y coordinate of the click.
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*/
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virtual void onClick(nxgl_coord_t x, nxgl_coord_t y);
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public:
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/**
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* Constructor.
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*
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* @param control The widget control instance for the window.
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* @param x The x coordinate of the slider, relative to its parent.
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* @param y The y coordinate of the slider, relative to its parent.
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* @param width The width of the slider.
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* @param thickness The thickness of the slider.
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* @param gripBitmap The slider grip image
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* @param fillColor The color to use when filling the grip
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* @param fill True: The grip will be filled with fillColor
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*/
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CGlyphSliderHorizontal(CWidgetControl *control,
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nxgl_coord_t x, nxgl_coord_t y, nxgl_coord_t width,
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nxgl_coord_t thickness, IBitmap *gripBitmap,
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nxwidget_pixel_t fillColor, bool fill = true);
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/**
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* Destructor.
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*
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* NOTE: That the contained bitmap image is not destroyed when the image
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* container is destroyed.
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*/
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virtual inline ~CGlyphSliderHorizontal(void) { }
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/**
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* Get the smallest value that the slider can represent.
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*
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* @return The smallest value.
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*/
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inline const int getMinimumValue(void) const
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{
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return m_minimumValue;
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}
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/**
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* Get the largest value that the slider can represent.
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*
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* @return The largest value.
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*/
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inline const int getMaximumValue(void) const
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{
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return m_maximumValue;
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}
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/**
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* Get the current value of the slider.
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*
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* return The current slider value.
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*/
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inline const int getValue(void) const
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{
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return (int)(m_value >> 16);
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}
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/**
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* Get the value represented by the height of the grip. For sliders,
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* this would typically be 1 (so each new grip position is worth 1).
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* For scrollbars, this would be the height of the scrolling widget.
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*
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* @return The page size.
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*/
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inline const nxgl_coord_t getPageSize(void) const
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{
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return m_pageSize;
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}
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/**
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* Set the smallest value that the slider can represent.
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*
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* @param value The smallest value.
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*/
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inline void setMinimumValue(const int value)
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{
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m_minimumValue = value;
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m_contentSize = m_maximumValue - m_minimumValue + 1;
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//resizeGrip();
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};
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/**
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* Set the largest value that the slider can represent.
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*
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* @param value The largest value.
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*/
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inline void setMaximumValue(const int value)
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{
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m_maximumValue = value;
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m_contentSize = m_maximumValue - m_minimumValue + 1;
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//resizeGrip();
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};
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/**
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* Set the value that of the slider. This will reposition
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* and redraw the grip.
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*
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* @param value The new value.
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*/
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void setValue(const int value);
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/**
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* Set the value that of the slider. This will reposition and redraw
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* the grip. The supplied value should be shifted left 16 places.
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* This ensures greater accuracy than the standard setValue() method if
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* the slider is being used as a scrollbar.
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*
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* @param value The new value.
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*/
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void setValueWithBitshift(const int32_t value);
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/**
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* Set the page size represented by the grip.
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*
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* @param pageSize The page size.
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* @see getPageSize().
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*/
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inline void setPageSize(const nxgl_coord_t pageSize)
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{
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m_pageSize = pageSize;
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//resizeGrip();
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};
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/**
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* Set the thickness of the slider bar
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*
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* @param thickness The slider bar thickness in pixels
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*/
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inline void setBarThickness(const nxgl_coord_t thickness)
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{
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m_barThickness = thickness;
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redraw();
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};
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/**
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* Process events fired by the grip.
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*
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* @param e The event details.
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*/
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virtual void handleDragEvent(const CWidgetEventArgs &e);
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/**
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* Get the smallest value that the slider can move through when
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* dragged.
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*
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* @return The smallest value that the slider can move through when
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* dragged.
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*/
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nxgl_coord_t getMinimumStep(void) const;
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};
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}
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#endif // __cplusplus
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#endif // __APPS_INCLUDE_GRAPHICS_NXWIDGETS_CGLYPHSLIDERHORIZONTAL_HXX
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