ad626736fc
Gregory Nutt is the copyright holder for those files and he has submitted the SGA as a result we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
232 lines
7.3 KiB
C++
232 lines
7.3 KiB
C++
/****************************************************************************
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* apps/graphics/nxwidgets/src/csliderhorizontalgrip.cxx
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "graphics/nxwidgets/nxconfig.hxx"
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#include "graphics/nxwidgets/cwidgetcontrol.hxx"
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#include "graphics/nxwidgets/csliderhorizontalgrip.hxx"
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#include "graphics/nxwidgets/cgraphicsport.hxx"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Method Implementations
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****************************************************************************/
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using namespace NXWidgets;
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/**
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* Constructor.
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*
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* @param pWidgetControl The controlling widget for the display
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* @param x The x coordinate of the grip, relative to its parent.
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* @param y The y coordinate of the grip, relative to its parent.
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* @param width The width of the grip.
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* @param height The height of the grip.
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*/
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CSliderHorizontalGrip::CSliderHorizontalGrip(CWidgetControl *pWidgetControl,
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nxgl_coord_t x, nxgl_coord_t y,
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nxgl_coord_t width, nxgl_coord_t height)
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: CNxWidget(pWidgetControl, x, y, width, height, WIDGET_DRAGGABLE)
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{
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}
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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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void CSliderHorizontalGrip::drawContents(CGraphicsPort *port)
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{
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CRect rect;
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getRect(rect);
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nxwidget_pixel_t color;
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if (!m_flags.clicked)
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{
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color = getSelectedBackgroundColor();
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}
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else
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{
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color = getHighlightColor();
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}
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port->drawFilledRect(rect.getX(), rect.getY(),
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rect.getWidth(), rect.getHeight(),
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color);
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}
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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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void CSliderHorizontalGrip::drawBorder(CGraphicsPort *port)
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{
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// Stop drawing if the widget indicates it should not have an outline
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if (!isBorderless())
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{
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if (isClicked())
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{
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port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(),
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getShadowEdgeColor(), getShineEdgeColor());
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}
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else
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{
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port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(),
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getShineEdgeColor(), getShadowEdgeColor());
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}
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}
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}
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/**
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* Starts dragging the grip and redraws it.
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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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void CSliderHorizontalGrip::onClick(nxgl_coord_t x, nxgl_coord_t y)
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{
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startDragging(x, y);
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redraw();
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}
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/**
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* Redraws the grip.
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*
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* @param x The x coordinate of the mouse.
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* @param y The y coordinate of the mouse.
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*/
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void CSliderHorizontalGrip::onRelease(nxgl_coord_t x, nxgl_coord_t y)
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{
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redraw();
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}
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/**
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* Redraws the grip.
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*
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* @param x The x coordinate of the mouse.
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* @param y The y coordinate of the mouse.
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*/
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void CSliderHorizontalGrip::onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y)
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{
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redraw();
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}
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/**
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* Moves the grip to follow the mouse.
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*
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* @param x The x coordinate of the mouse.
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* @param y The y coordinate of the mouse.
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* @param vX The horizontal distance of the drag.
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* @param vY The vertical distance of the drag.
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*/
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void CSliderHorizontalGrip::onDrag(nxgl_coord_t x, nxgl_coord_t y,
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nxgl_coord_t vX, nxgl_coord_t vY)
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{
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// Work out where we're moving to
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nxgl_coord_t destX = x - m_grabPointX - m_parent->getX();
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// Do we need to move?
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if (destX != m_rect.getX())
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{
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// Get parent rect
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CRect rect;
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m_parent->getClientRect(rect);
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// Prevent grip from moving outside parent
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if (destX < rect.getX())
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{
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destX = rect.getX();
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}
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else
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{
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if (destX + getWidth() > rect.getWidth() + rect.getX())
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{
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destX = (rect.getWidth() + rect.getX()) - getWidth() ;
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}
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}
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// Move to new location
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moveTo(destX, rect.getY());
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}
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}
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