From 4dedf494c242b2c4b52707441eefe2a36fbacf0f Mon Sep 17 00:00:00 2001 From: patacongo Date: Thu, 22 Mar 2012 21:22:59 +0000 Subject: First check-in of NxWidgets git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4505 42af7a65-404d-4744-a932-0658087f49c3 --- NxWidgets/libnxwidgets/src/ccyclebutton.cxx | 482 ++++++++++++++++++++++++++++ 1 file changed, 482 insertions(+) create mode 100644 NxWidgets/libnxwidgets/src/ccyclebutton.cxx (limited to 'NxWidgets/libnxwidgets/src/ccyclebutton.cxx') diff --git a/NxWidgets/libnxwidgets/src/ccyclebutton.cxx b/NxWidgets/libnxwidgets/src/ccyclebutton.cxx new file mode 100644 index 000000000..b5f96683d --- /dev/null +++ b/NxWidgets/libnxwidgets/src/ccyclebutton.cxx @@ -0,0 +1,482 @@ +/**************************************************************************** + * NxWidgets/libnxwidgets/src/ccyclebutton.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 + +#include + +#include "ccyclebutton.hxx" +#include "cgraphicsport.hxx" +#include "cbitmap.hxx" +#include "glyphs.hxx" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * CButton Method Implementations + ****************************************************************************/ + +using namespace NXWidgets; + +/** + * Constructor for cycle buttons. + * + * @param pWidgetControl The widget control for the display. + * @param x The x coordinate of the button, relative to its parent. + * @param y The y coordinate of the button, relative to its parent. + * @param width The width of the button. + * @param height The height of the button. + * @param style The style that the button should use. If this is not + * specified, the button will use the values stored in the global + * g_defaultWidgetStyle object. The button will copy the properties of + * the style into its own internal style object. + */ + +CCycleButton::CCycleButton(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, "", style) +{ + // Force text to align left + + nxgl_coord_t glyphSpace = m_borderSize.left - 1; + + // Text x coordinate is width of cycle glyph plus a space plus width + // of the spacer line (2px) plus a space + + m_align.x = g_cycle.width + 2 + (glyphSpace << 1); + + m_options.addListDataEventHandler(this); + m_options.setAllowMultipleSelections(false); +} + +/** + * Add a new option to the widget. + * + * @param text The text of the option. + * @param value The value of the option. + */ + +void CCycleButton::addOption(const CNxString &text, const uint32_t value) +{ + m_options.addItem(new CListDataItem(text, value)); + + // Select the option if this is the first option added + + if (m_options.getItemCount() == 1) + { + selectOption(0); + } +} + +/** + * Remove an option from the widget by its index. + * + * @param index The index of the option to remove. + */ + +void CCycleButton::removeOption(const int index) +{ + m_options.removeItem(index); +} + +/** + * Remove all options from the widget. + */ + +void CCycleButton::removeAllOptions(void) +{ + m_options.removeAllItems(); +} + +/** + * Select an option by its index. + * Redraws the widget and raises a value changed event. + * + * @param index The index of the option to select. + */ + +void CCycleButton::selectOption(const int index) +{ + m_options.setItemSelected(index, true); +} + +/** + * Get the selected index. Returns -1 if nothing is selected. If more than one + * option is selected, the index of the first selected option is returned. + * + * @return The selected index. + */ + +const int CCycleButton::getSelectedIndex(void) const +{ + return m_options.getSelectedIndex(); +} + +/** + * Sets the selected index. Specify -1 to select nothing. Resets any + * other selected options to deselected. + * Redraws the widget and raises a value changed event. + * + * @param index The selected index. + */ + +void CCycleButton::setSelectedIndex(const int index) +{ + m_options.setItemSelected(index, true); +} + +/** + * Get the selected option. Returns NULL if nothing is selected. + * + * @return The selected option. + */ + +const CListDataItem *CCycleButton::getSelectedOption(void) const +{ + return m_options.getSelectedItem(); +} + +/** + * Sort the options alphabetically by the text of the options. + */ + +void CCycleButton::sort(void) +{ + m_options.sort(); +} + +/** + * Handles list data changed events. + * + * @param e Event arguments. + */ + +void CCycleButton::handleListDataChangedEvent(const CListDataEventArgs &e) +{ + redraw(); +} + +/** + * Handles list selection changed events. + * + * @param e Event arguments. + */ + +void CCycleButton::handleListDataSelectionChangedEvent(const CListDataEventArgs &e) +{ + redraw(); + m_widgetEventHandlers->raiseValueChangeEvent(); +} + +/** + * Insert the dimensions that this widget wants to have into the rect + * passed in as a parameter. All coordinates are relative to the widget's + * parent. Value is based on the length of the largest string in the + * set of options. + * + * @param rect Reference to a rect to populate with data. + */ + +void CCycleButton::getPreferredDimensions(CRect &rect) const +{ + nxgl_coord_t width = 0; + nxgl_coord_t height = getFont()->getHeight(); + + // Locate longest string in options + + for (int i = 0; i < m_options.getItemCount(); ++i) + { + nxgl_coord_t optionWidth = + getFont()->getStringWidth(m_options.getItem(i)->getText()); + + if (optionWidth > width) + { + width = optionWidth; + } + } + + // Add the border width + + if (!m_flags.borderless) + { + width += (m_borderSize.left + m_borderSize.right); + height += (m_borderSize.top + m_borderSize.bottom); + } + + // Add text alignment + + width += m_align.x; + height += m_align.y; + + // And returned this preferred size + + rect.setX(m_rect.getX()); + rect.setY(m_rect.getY()); + rect.setWidth(width); + rect.setHeight(height); +} + +/** + * 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 CCycleButton::drawContents(CGraphicsPort *port) +{ + // Get the drawing region (excluding any border) + + CRect rect; + getRect(rect); + + nxgl_coord_t glyphSpace = m_borderSize.left - 1; + nxgl_coord_t glyphYOffset = (rect.getHeight() - g_cycle.height) >> 1; + + nxwidget_pixel_t textColor; + nxwidget_pixel_t separatorLeftColor; + nxwidget_pixel_t separatorRightColor; + + if (!isEnabled()) + { + textColor = getDisabledTextColor(); + separatorLeftColor = getShadowEdgeColor(); + separatorRightColor = getShineEdgeColor(); + } + else if (!isClicked()) + { + textColor = getEnabledTextColor(); + separatorLeftColor = getShadowEdgeColor(); + separatorRightColor = getShineEdgeColor(); + } + else + { + textColor = getSelectedTextColor(); + separatorLeftColor = getShineEdgeColor(); + separatorRightColor = getShadowEdgeColor(); + } + + // Draw cycle glyph + + port->drawBitmap(rect.getX(), rect.getY() + glyphYOffset, + g_cycle.width, g_cycle.height, &g_cycle, + 0, 0, CONFIG_NXWIDGETS_TRANSPARENT_COLOR); + + // Draw separator + + nxgl_coord_t x = getX() + glyphSpace + g_cycle.width; + nxgl_coord_t y = getY(); + nxgl_coord_t w = glyphSpace + g_cycle.width; + nxgl_coord_t h = rect.getHeight() - 1; + + port->drawLine(x, y, w, h, separatorLeftColor); + port->drawLine(x+1, y, w+1, h, separatorRightColor); + + // Only draw text if option is selected + + if (m_options.getSelectedItem() != NULL) + { + struct nxgl_point_s pos; + pos.x = getX() + m_align.x; + pos.y = getY() + m_align.y; + + port->drawText(&pos, &rect, getFont(), + m_options.getSelectedItem()->getText(), 0, + m_options.getSelectedItem()->getText().getLength(), + textColor); + } +} + +/** + * 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 CCycleButton::drawBorder(CGraphicsPort *port) +{ + // Determine the background color + + nxwidget_pixel_t backColor; + + if (isClicked() || m_highlighted) + { + backColor = getSelectedBackgroundColor(); + } + else + { + backColor = getBackgroundColor(); + } + + // Draw the background (excluding the border) + + port->drawFilledRect(getX(), getY(), getWidth(), getHeight(), backColor); + + // Then add the border. + + drawOutline(port); +} + +/** + * Draws the outline of the button. + * + * @param port Graphics port to draw to. + */ + +void CCycleButton::drawOutline(CGraphicsPort *port) +{ + // Stop drawing if the widget indicates it should not have an outline + + if (isBorderless()) + { + return; + } + + // Work out which colors to use + + nxgl_coord_t color1; + nxgl_coord_t color2; + + if (isClicked()) + { + // Bevelled into the screen + + color1 = getShadowEdgeColor(); + color2 = getShineEdgeColor(); + } + else + { + // Bevelled out of the screen + + color1 = getShineEdgeColor(); + color2 = getShadowEdgeColor(); + } + + port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(), color1, color2); +} + +/** + * Selects the next option in the list and redraws the button. + * + * @param x The x coordinate of the mouse. + * @param y The y coordinate of the mouse. + */ + +void CCycleButton::onRelease(nxgl_coord_t x, nxgl_coord_t y) +{ + // Choose next option + + if (m_options.getItemCount() > 1) + { + int selectedIndex = m_options.getSelectedIndex(); + + if (selectedIndex < m_options.getItemCount() - 1) + { + // Move to next option + + selectOption(selectedIndex + 1); + } + else + { + // Wrap around as there are no more options + + selectOption(0); + } + } + + redraw(); +} + +/** + * Redraws the button. + * + * @param x The x coordinate of the mouse. + * @param y The y coordinate of the mouse. + */ + +void CCycleButton::onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y) +{ + redraw(); +} + -- cgit v1.2.3