/**************************************************************************** * NxWidgets/libnxwidgets/src/ccheckbox.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 "ccheckbox.hxx" #include "cgraphicsport.hxx" #include "cbitmap.hxx" #include "singletons.hxx" #include "glyphs.hxx" /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /**************************************************************************** * Method Implementations ****************************************************************************/ using namespace NXWidgets; /** * Constructor. * * @param pWidgetControl The widget control for the display. * @param x The x coordinate of the checkbox, relative to its parent. * @param y The y coordinate of the checkbox, relative to its parent. * @param width The width of the checkbox. * @param height The height of the checkbox. * @param style The style that the widget should use. If this is not * specified, the widget will use the values stored in the global * g_defaultWidgetStyle object. The widget will copy the properties of * the style into its own internal style object. */ CCheckBox::CCheckBox(CWidgetControl *pWidgetControl, nxgl_coord_t x, nxgl_coord_t y, nxgl_coord_t width, nxgl_coord_t height, CWidgetStyle *style) : CButton(pWidgetControl, x, y, width, height, *NXWidgets::g_nullString, style) { m_state = CHECK_BOX_STATE_OFF; m_flags.borderless = false; // Border width is one line m_borderSize.top = 1; m_borderSize.right = 1; m_borderSize.bottom = 1; m_borderSize.left = 1; } /** * Set the state of the checkbox. * * @param state The new checkbox state. */ void CCheckBox::setState(CCheckBox::CheckBoxState state) { if (m_state != state) { m_state = state; m_widgetEventHandlers->raiseValueChangeEvent(); redraw(); } } /** * 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 CCheckBox::drawContents(CGraphicsPort *port) { // Get the X/Y position of the drawable region within the CheckBox nxgl_coord_t x = getX(); nxgl_coord_t y = getY(); nxgl_coord_t width = getWidth(); nxgl_coord_t height = getHeight(); // Include and offset for the border if (!m_flags.borderless) { x += m_borderSize.left; y += m_borderSize.top; width -= (m_borderSize.left + m_borderSize.right); height -= (m_borderSize.top + m_borderSize.bottom); } // Decide which glyph to draw const struct SBitmap *glyph; switch (m_state) { default: case CHECK_BOX_STATE_ON: glyph = &g_checkBoxOn; break; case CHECK_BOX_STATE_OFF: glyph = &g_checkBoxOff; break; case CHECK_BOX_STATE_MU: glyph = &g_checkBoxMu; break; } // Don't exceed the size of the glyph if (width > glyph->width) { width = glyph->width; } if (height > glyph->height) { height = glyph->height; } // Draw the checkbox port->drawBitmap(x, y, width, height, glyph, 0, 0, CONFIG_NXWIDGETS_TRANSPARENT_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 CCheckBox::drawBorder(CGraphicsPort *port) { // Determine the background color nxgl_mxpixel_t backColor; if (m_highlighted) { backColor = getSelectedBackgroundColor(); } else { backColor = getBackgroundColor(); } // Draw the background (excluding the border) port->drawFilledRect(getX(), getY(), getWidth(), getHeight(), backColor); // Stop drawing if the widget indicates it should not have an outline if (!isBorderless()) { port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(), getShineEdgeColor(), getShadowEdgeColor()); } } /** * Toggles the state of the checkbox. * * @param x The x coordinate of the click. * @param y The y coordinate of the click. */ void CCheckBox::onClick(nxgl_coord_t x, nxgl_coord_t y) { if (m_state == CHECK_BOX_STATE_ON) { setState(CHECK_BOX_STATE_OFF); } else { setState(CHECK_BOX_STATE_ON); } }