/**************************************************************************** * NxWidgets/libnxwidgets/src/csliderhorizontalgrip.cxx * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: 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 #include #include #include "nxconfig.hxx" #include "cwidgetcontrol.hxx" #include "csliderhorizontalgrip.hxx" #include "cgraphicsport.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. */ CSliderHorizontalGrip::CSliderHorizontalGrip(CWidgetControl *pWidgetControl, nxgl_coord_t x, nxgl_coord_t y, nxgl_coord_t width, nxgl_coord_t height) : CNxWidget(pWidgetControl, x, y, width, height, WIDGET_DRAGGABLE) { } /** * Draw the area of this widget that falls within the clipping region. * Called by the redraw() function to draw all visible regions. * * @param port The CGraphicsPort to draw to. * @see redraw() */ void CSliderHorizontalGrip::drawContents(CGraphicsPort *port) { CRect rect; getRect(rect); nxwidget_pixel_t color; if (!m_flags.clicked) { color = getSelectedBackgroundColor(); } else { color = getHighlightColor(); } port->drawFilledRect(rect.getX(), rect.getY(), rect.getWidth(), rect.getHeight(), color); } /** * Draw the area of this widget that falls within the clipping region. * Called by the redraw() function to draw all visible regions. * * @param port The CGraphicsPort to draw to. * @see redraw() */ void CSliderHorizontalGrip::drawBorder(CGraphicsPort *port) { // Stop drawing if the widget indicates it should not have an outline if (!isBorderless()) { if (isClicked()) { port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(), getShadowEdgeColor(), getShineEdgeColor()); } else { port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(), getShineEdgeColor(), getShadowEdgeColor()); } } } /** * Starts dragging the grip and redraws it. * * @param x The x coordinate of the click. * @param y The y coordinate of the click. */ void CSliderHorizontalGrip::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 CSliderHorizontalGrip::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 CSliderHorizontalGrip::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 CSliderHorizontalGrip::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.getY()); } }