306 lines
9.2 KiB
C++
306 lines
9.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// NxWidgets/UnitTests/CRadioButton/cradiobuttontest.cxx
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//
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// Copyright (C) 2012 Gregory Nutt. All rights reserved.
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// Author: Gregory Nutt <gnutt@nuttx.org>
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in
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// the documentation and/or other materials provided with the
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// distribution.
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// 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
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// me be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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//////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// Included Files
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/////////////////////////////////////////////////////////////////////////////
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#include <nuttx/config.h>
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#include <nuttx/init.h>
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#include <cstdio>
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#include <cerrno>
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#include <debug.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxfonts.h>
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#include "nxconfig.hxx"
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#include "cbgwindow.hxx"
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#include "cradiobuttontest.hxx"
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#include "cbitmap.hxx"
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#include "glyphs.hxx"
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/////////////////////////////////////////////////////////////////////////////
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// Definitions
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// Private Classes
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// Private Data
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// Public Data
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// Public Function Prototypes
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/////////////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////////////
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// CRadioButtonTest Method Implementations
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/////////////////////////////////////////////////////////////////////////////
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// CRadioButtonTest Constructor
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CRadioButtonTest::CRadioButtonTest()
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{
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// Initialize state data
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m_widgetControl = (CWidgetControl *)NULL;
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m_bgWindow = (CBgWindow *)NULL;
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// Peek at the radio button glyph to get a good estimate of the size
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m_size.w = g_radioButtonOn.width;
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m_size.h = g_radioButtonOn.height;
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}
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// CRadioButtonTest Descriptor
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CRadioButtonTest::~CRadioButtonTest(void)
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{
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disconnect();
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}
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// Connect to the NX server
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bool CRadioButtonTest::connect(void)
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{
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// Connect to the server
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bool nxConnected = CNxServer::connect();
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if (nxConnected)
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{
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// Set the background color
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if (!setBackgroundColor(CONFIG_CRADIOBUTTONTEST_BGCOLOR))
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{
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message("CRadioButtonTest::connect: setBackgroundColor failed\n");
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}
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}
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return nxConnected;
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}
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// Disconnect from the NX server
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void CRadioButtonTest::disconnect(void)
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{
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// Free the radiobutton group
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if (m_radioButtonGroup)
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{
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delete m_radioButtonGroup;
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m_radioButtonGroup = (CRadioButtonGroup *)NULL;
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}
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// Close the window
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if (m_bgWindow)
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{
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delete m_bgWindow;
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}
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// Free the widget control instance
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if (m_widgetControl)
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{
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delete m_widgetControl;
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}
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// And disconnect from the server
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CNxServer::disconnect();
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}
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// Create the background window instance. This function illustrates
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// the basic steps to instantiate any window:
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//
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// 1) Create a dumb CWigetControl instance
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// 2) Pass the dumb CWidgetControl instance to the window constructor
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// that inherits from INxWindow. This will "smarten" the CWidgetControl
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// instance with some window knowlede
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// 3) Call the open() method on the window to display the window.
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// 4) After that, the fully smartened CWidgetControl instance can
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// be used to generate additional widgets by passing it to the
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// widget constructor
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bool CRadioButtonTest::createWindow(void)
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{
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// Initialize the widget control using the default style
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m_widgetControl = new CWidgetControl((CWidgetStyle *)NULL);
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// Get an (uninitialized) instance of the background window as a class
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// that derives from INxWindow.
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m_bgWindow = getBgWindow(m_widgetControl);
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if (!m_bgWindow)
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{
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message("CRadioButtonTest::createGraphics: Failed to create CBgWindow instance\n");
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delete m_widgetControl;
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return false;
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}
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// Open (and initialize) the window
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bool success = m_bgWindow->open();
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if (!success)
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{
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message("CRadioButtonTest::createGraphics: Failed to open background window\n");
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delete m_bgWindow;
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m_bgWindow = (CBgWindow*)0;
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return false;
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}
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return true;
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}
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// Create a CRadioButton instance
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CRadioButton *CRadioButtonTest::newRadioButton(void)
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{
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// Get the width of the display
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struct nxgl_size_s windowSize;
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if (!m_bgWindow->getSize(&windowSize))
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{
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message("CRadioButtonTest::newRadioButton: Failed to get window size\n");
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return (CRadioButton *)NULL;
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}
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// Create the radio button group, if we have not already done so
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if (!m_radioButtonGroup)
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{
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// Start the radio button group in the center of the upper, left
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// quadrant. The initial size is 0,0 and the default style is used.
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nxgl_coord_t groupX = windowSize.w >> 2;
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nxgl_coord_t groupY = windowSize.h >> 2;
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m_radioButtonGroup = new CRadioButtonGroup(m_widgetControl, groupX, groupY);
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if (!m_radioButtonGroup)
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{
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message("CRadioButtonTest::newRadioButton: Failed to create the radio button group\n");
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return (CRadioButton *)NULL;
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}
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}
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// Create the new radio button at the botton of the radio button group and
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// with the size of the ON radio button glyph (they all need to be the same
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// size!). Note that coordinates are relative to the parent bounding box.
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nxgl_coord_t buttonX = 0;
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nxgl_coord_t buttonY = m_radioButtonGroup->getHeight();
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return m_radioButtonGroup->newRadioButton(buttonX, buttonY, m_size.w, m_size.h);
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}
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// (Re-)draw the buttons.
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void CRadioButtonTest::showButtons(void)
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{
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m_radioButtonGroup->enable(); // Un-necessary, the widget is enabled by default
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m_radioButtonGroup->enableDrawing();
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m_radioButtonGroup->redraw();
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}
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// Push the radio button
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void CRadioButtonTest::pushButton(CRadioButton *button)
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{
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// Get the button center coordinates
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nxgl_coord_t buttonX = button->getX() + (button->getWidth() >> 1);
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nxgl_coord_t buttonY = button->getY() + (button->getHeight() >> 1);
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// Then push the button by calling nx_mousein. nx_mousein is meant to be
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// called by mouse handling software. Here we just inject a left-button click
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// directly in the center of the radio button.
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// First, get the server handle. Graphics software will never care
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// about the server handle. Here we need it to get access to the
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// low-level mouse interface
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NXHANDLE handle = getServer();
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// Then inject the mouse click
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(void)nx_mousein(handle, buttonX, buttonY, NX_MOUSE_LEFTBUTTON);
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// Poll for mouse events
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//
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// Widget events are normally handled in a modal loop.
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// However, for this case we know that we just pressed the mouse button
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// so we don't have to poll. We can just perform a one pass poll then
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// then check if the mouse event was processed corredly.
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m_widgetControl->pollEvents(m_radioButtonGroup);
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// Then inject the mouse release
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(void)nx_mousein(handle, buttonX, buttonY, 0);
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// And poll for more mouse events
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m_widgetControl->pollEvents(m_radioButtonGroup);
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// And re-draw the buttons (the mouse click event should have automatically
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// triggered the re-draw)
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//
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// showButtons();
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}
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// Show the state of the radio button group
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void CRadioButtonTest::showButtonState(void)
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{
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int index = m_radioButtonGroup->getSelectedIndex();
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if (index < 0)
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{
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message("CRadioButtonTest::showButtonState No button is pressed\n");
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}
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else
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{
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message("CRadioButtonTest::showButtonState button%d is selected\n", index+1);
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}
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}
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