nuttx-apps/UnitTests/CCheckBox/ccheckboxtest.cxx

298 lines
8.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// NxWidgets/UnitTests/CCheckBox/ccheckboxtest.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.
//
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Included Files
/////////////////////////////////////////////////////////////////////////////
#include <nuttx/config.h>
#include <nuttx/init.h>
#include <cstdio>
#include <cerrno>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxfonts.h>
#include "nxconfig.hxx"
#include "cbgwindow.hxx"
#include "ccheckboxtest.hxx"
#include "cbitmap.hxx"
#include "glyphs.hxx"
/////////////////////////////////////////////////////////////////////////////
// Definitions
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Private Classes
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Private Data
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Public Data
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Public Function Prototypes
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// CCheckBoxTest Method Implementations
/////////////////////////////////////////////////////////////////////////////
// CCheckBoxTest Constructor
CCheckBoxTest::CCheckBoxTest()
{
// Initialize state data
m_widgetControl = (CWidgetControl *)NULL;
m_bgWindow = (CBgWindow *)NULL;
m_checkBox = (CCheckBox *)NULL;
}
// CCheckBoxTest Descriptor
CCheckBoxTest::~CCheckBoxTest(void)
{
disconnect();
}
// Connect to the NX server
bool CCheckBoxTest::connect(void)
{
// Connect to the server
bool nxConnected = CNxServer::connect();
if (nxConnected)
{
// Set the background color
if (!setBackgroundColor(CONFIG_CCHECKBOXTEST_BGCOLOR))
{
printf("CCheckBoxTest::connect: setBackgroundColor failed\n");
}
}
return nxConnected;
}
// Disconnect from the NX server
void CCheckBoxTest::disconnect(void)
{
// Free the radiobutton group
if (m_checkBox)
{
delete m_checkBox;
m_checkBox = (CCheckBox *)NULL;
}
// Close the window
if (m_bgWindow)
{
delete m_bgWindow;
m_bgWindow = (CBgWindow *)NULL;
}
// Free the widget control instance
if (m_widgetControl)
{
delete m_widgetControl;
m_widgetControl = (CWidgetControl *)NULL;
}
// And disconnect from the server
CNxServer::disconnect();
}
// Create the background window instance. This function illustrates
// the basic steps to instantiate any window:
//
// 1) Create a dumb CWigetControl instance
// 2) Pass the dumb CWidgetControl instance to the window constructor
// that inherits from INxWindow. This will "smarten" the CWidgetControl
// instance with some window knowlede
// 3) Call the open() method on the window to display the window.
// 4) After that, the fully smartened CWidgetControl instance can
// be used to generate additional widgets by passing it to the
// widget constructor
bool CCheckBoxTest::createWindow(void)
{
// Initialize the widget control using the default style
m_widgetControl = new CWidgetControl((CWidgetStyle *)NULL);
// Get an (uninitialized) instance of the background window as a class
// that derives from INxWindow.
m_bgWindow = getBgWindow(m_widgetControl);
if (!m_bgWindow)
{
printf("CCheckBoxTest::createWindow: Failed to create CBgWindow instance\n");
disconnect();
return false;
}
// Open (and initialize) the window
bool success = m_bgWindow->open();
if (!success)
{
printf("CCheckBoxTest::createWindow: Failed to open background window\n");
disconnect();
return false;
}
// Get the size of the display
struct nxgl_size_s windowSize;
if (!m_bgWindow->getSize(&windowSize))
{
printf("CCheckBoxTest::createWindow: Failed to get window size\n");
disconnect();
return false;
}
// Use the the size of the ON checkbox glyph. (adding twice the border thickness)
nxgl_coord_t width = g_checkBoxOn.width + 2 * 1;
nxgl_coord_t height = g_checkBoxOn.height + 2 * 1;
nxgl_coord_t checkboxX = (windowSize.w - width) >> 1;
nxgl_coord_t checkboxY = (windowSize.h - height) >> 1;
// Create the checkbox
m_checkBox = new CCheckBox(m_widgetControl, checkboxX, checkboxY,
width, height, (CWidgetStyle *)NULL);
if (!m_checkBox)
{
printf("CCheckBoxTest::createWindow: Failed to create CCheckBox\n");
disconnect();
return false;
}
return true;
}
// (Re-)draw the check box.
void CCheckBoxTest::showCheckBox(void)
{
m_checkBox->enable(); // Un-necessary, the widget is enabled by default
m_checkBox->enableDrawing();
m_checkBox->redraw();
}
// Push the radio button
void CCheckBoxTest::clickCheckBox(void)
{
// Get the checkbox center coordinates
nxgl_coord_t checkboxX = m_checkBox->getX() + (m_checkBox->getWidth() >> 1);
nxgl_coord_t checkboxY = m_checkBox->getY() + (m_checkBox->getHeight() >> 1);
// Click the checkbox by calling nx_mousein. nx_mousein is meant to be
// called by mouse handling software. Here we just inject a left-button click
// directly in the center of the radio button.
// First, get the server handle. Graphics software will never care
// about the server handle. Here we need it to get access to the
// low-level mouse interface
NXHANDLE handle = getServer();
// Then inject the mouse click
(void)nx_mousein(handle, checkboxX, checkboxY, NX_MOUSE_LEFTBUTTON);
// Poll for mouse events
//
// Widget events are normally handled in a modal loop.
// However, for this case we know that we just pressed the mouse button
// so we don't have to poll. We can just perform a one pass poll then
// then check if the mouse event was processed corredly.
m_widgetControl->pollEvents(m_checkBox);
// Then inject the mouse release
(void)nx_mousein(handle, checkboxX, checkboxY, 0);
// And poll for more mouse events
m_widgetControl->pollEvents(m_checkBox);
// And re-draw the buttons (the mouse click event should have automatically
// triggered the re-draw)
//
// showCheckBox();
}
// Show the state of the radio button group
void CCheckBoxTest::showCheckBoxState(void)
{
CCheckBox::CheckBoxState state = m_checkBox->getState();
switch (state)
{
case CCheckBox::CHECK_BOX_STATE_OFF: // Checkbox is unticked
printf("CCheckBoxTest::showCheckBoxState Checkbox is in the unticked state\n");
break;
case CCheckBox::CHECK_BOX_STATE_ON: // Checkbox is ticked
printf("CCheckBoxTest::showCheckBoxState Check is in the ticked state\n");
break;
default:
case CCheckBox::CHECK_BOX_STATE_MU: // Checkbox is in the third state
printf("CCheckBoxTest::showCheckBoxState Checkbox is in the 3rd state\n");
break;
}
}