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/****************************************************************************
* NxWidgets/libnxwidgets/src/cglyphsliderhorizontalgrip.cxx
*
* Copyright (C) 2013 Ken Pettit. All rights reserved.
* Author: Ken Pettit <pettitkd@gmail.com>
*
* Mostly copied from CSliderHorizontalGrip written by Gregory Nutt
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
* me be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************
*
* Portions of this package derive from Woopsi (http://woopsi.org/) and
* portions are original efforts. It is difficult to determine at this
* point what parts are original efforts and which parts derive from Woopsi.
* However, in any event, the work of Antony Dzeryn will be acknowledged
* in most NxWidget files. Thanks Antony!
*
* Copyright (c) 2007-2011, Antony Dzeryn
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names "Woopsi", "Simian Zombie" nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Antony Dzeryn BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include "cglyphsliderhorizontalgrip.hxx"
#include "ibitmap.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Constructor.
*
* @param pWidgetControl The controlling widget for the display
* @param x The x coordinate of the grip, relative to its parent.
* @param y The y coordinate of the grip, relative to its parent.
* @param width The width of the grip.
* @param height The height of the grip.
*/
CGlyphSliderHorizontalGrip::CGlyphSliderHorizontalGrip(CWidgetControl *pWidgetControl,
nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t width, nxgl_coord_t height,
IBitmap *pGripBitmap)
: CImage(pWidgetControl, 0, (height>>1) - (pGripBitmap->getHeight() >> 1),
pGripBitmap->getWidth(), pGripBitmap->getHeight(),
pGripBitmap, 0)
{
// Make the widget draggable
setDraggable(true);
}
/**
* Resize the slider to the new dimensions.
*
* @param width The new width.
* @param height The new height.
*/
void CGlyphSliderHorizontalGrip::onResize(nxgl_coord_t width, nxgl_coord_t height)
{
}
/**
* Starts dragging the grip and redraws it.
*
* @param x The x coordinate of the click.
* @param y The y coordinate of the click.
*/
void CGlyphSliderHorizontalGrip::onClick(nxgl_coord_t x, nxgl_coord_t y)
{
startDragging(x, y);
redraw();
}
/**
* Redraws the grip.
*
* @param x The x coordinate of the mouse.
* @param y The y coordinate of the mouse.
*/
void CGlyphSliderHorizontalGrip::onRelease(nxgl_coord_t x, nxgl_coord_t y)
{
redraw();
}
/**
* Redraws the grip.
*
* @param x The x coordinate of the mouse.
* @param y The y coordinate of the mouse.
*/
void CGlyphSliderHorizontalGrip::onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y)
{
redraw();
}
/**
* Moves the grip to follow the mouse.
*
* @param x The x coordinate of the mouse.
* @param y The y coordinate of the mouse.
* @param vX The horizontal distance of the drag.
* @param vY The vertical distance of the drag.
*/
void CGlyphSliderHorizontalGrip::onDrag(nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t vX, nxgl_coord_t vY)
{
// Work out where we're moving to
nxgl_coord_t destX = x - m_grabPointX - m_parent->getX();
// Do we need to move?
if (destX != m_rect.getX())
{
// Get parent rect
CRect rect;
m_parent->getClientRect(rect);
// Prevent grip from moving outside parent
if (destX < rect.getX())
{
destX = rect.getX();
}
else
{
if (destX + getWidth() > rect.getWidth() + rect.getX())
{
destX = (rect.getWidth() + rect.getX()) - getWidth() ;
}
}
// Move to new location
moveTo(destX, (rect.getHeight() - getHeight()) >> 1);
m_parent->redraw();
}
}
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