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Diffstat (limited to 'NxWidgets/libnxwidgets/src/csliderverticalgrip.cxx')
| -rw-r--r-- | NxWidgets/libnxwidgets/src/csliderverticalgrip.cxx | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/NxWidgets/libnxwidgets/src/csliderverticalgrip.cxx b/NxWidgets/libnxwidgets/src/csliderverticalgrip.cxx new file mode 100644 index 000000000..2ddf364e8 --- /dev/null +++ b/NxWidgets/libnxwidgets/src/csliderverticalgrip.cxx @@ -0,0 +1,245 @@ +/**************************************************************************** + * NxWidgets/libnxwidgets/src/cslidervertical.cxx + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> + +#include "nxconfig.hxx" +#include "cwidgetcontrol.hxx" +#include "csliderverticalgrip.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. + */ + +CSliderVerticalGrip::CSliderVerticalGrip(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 CSliderVerticalGrip::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 CSliderVerticalGrip::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 CSliderVerticalGrip::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 CSliderVerticalGrip::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 CSliderVerticalGrip::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 CSliderVerticalGrip::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 destY = y - m_grabPointY - m_parent->getY(); + + // Do we need to move? + + if (destY != m_rect.getY()) + { + // Get parent rect + + CRect rect; + m_parent->getClientRect(rect); + + // Prevent grip from moving outside parent + + if (destY < rect.getY()) + { + destY = rect.getY(); + } + else + { + if (destY + getHeight() > rect.getHeight() + rect.getY()) + { + destY = (rect.getHeight() + rect.getY()) - getHeight(); + } + } + + // Move to new location + + moveTo(rect.getX(), destY); + } +} |