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Diffstat (limited to 'NxWidgets/libnxwidgets/src/cradiobutton.cxx')
| -rw-r--r-- | NxWidgets/libnxwidgets/src/cradiobutton.cxx | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/NxWidgets/libnxwidgets/src/cradiobutton.cxx b/NxWidgets/libnxwidgets/src/cradiobutton.cxx new file mode 100644 index 000000000..86ad4118f --- /dev/null +++ b/NxWidgets/libnxwidgets/src/cradiobutton.cxx @@ -0,0 +1,225 @@ +/**************************************************************************** + * NxWidgets/libnxwidgets/src/cradiobutton.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 <sys/types.h> +#include <stdint.h> +#include <stdbool.h> + +#include <nuttx/nx/nxglib.h> + +#include "cwidgetcontrol.hxx" +#include "cradiobutton.hxx" +#include "cradiobuttongroup.hxx" +#include "cgraphicsport.hxx" +#include "cbitmap.hxx" +#include "glyphs.hxx" +#include "singletons.hxx" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * CLabel Method Implementations + ****************************************************************************/ + +using namespace NXWidgets; + +/** + * Constructor. + * + * @param pWidgetControl The controlling widget for the display. + * @param x The x coordinate of the radio button, relative to its + * parent. + * @param y The y coordinate of the radio button, relative to its + * parent. + * @param width The width of the radio button. + * @param height The height of the radio button. + * @param style The style that the widget should use. If this is not + * specified, the widget will use the values stored in the global + * defaultCWidgetStyle object. The widget will copy the properties of + * the style into its own internal style object. + */ + +CRadioButton::CRadioButton(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 = RADIO_BUTTON_STATE_OFF; + m_flags.borderless = true; +} + +/** + * Set the state of the radio button. + * + * @param state The new radio button state. + */ + +void CRadioButton::setState(CRadioButton::RadioButtonState state) +{ + if (m_state != state) + { + m_state = state; + + if (m_state != RADIO_BUTTON_STATE_OFF) + { + ((CRadioButtonGroup*)m_parent)->setSelectedWidget(this); + } + + 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 CRadioButton::drawContents(CGraphicsPort *port) +{ + // Get the X/Y position of the drawable region within the Label + + 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 RADIO_BUTTON_STATE_ON: + glyph = &g_radioButtonOn; + break; + + case RADIO_BUTTON_STATE_OFF: + glyph = &g_radioButtonOff; + break; + + case RADIO_BUTTON_STATE_MU: + glyph = &g_radioButtonMu; + break; + } + + // Don't exceed the size of the glyph + + if (width > glyph->width) + { + width = glyph->width; + } + + if (height > glyph->height) + { + height = glyph->height; + } + + // Draw button + + port->drawBitmap(x, y, width, height, glyph, 0, 0, + CONFIG_NXWIDGETS_TRANSPARENT_COLOR); +} + +/** + * Sets the radiobutton's state to "on". + * + * @param x The x coordinate of the click. + * @param y The y coordinate of the click. + */ + +void CRadioButton::onClick(nxgl_coord_t x, nxgl_coord_t y) +{ + setState(RADIO_BUTTON_STATE_ON); +} |