nuttx-apps/UnitTests/CLatchButtonArray/clatchbuttonarraytest.cxx

302 lines
9.4 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// NxWidgets/UnitTests/CLatchButtonArray/clatchbuttonarraytest.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 "clatchbuttonarraytest.hxx"
#include "cbgwindow.hxx"
/////////////////////////////////////////////////////////////////////////////
// Definitions
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Private Classes
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Private Data
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Public Data
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Public Function Prototypes
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// CLatchButtonArrayTest Method Implementations
/////////////////////////////////////////////////////////////////////////////
// CLatchButtonArrayTest Constructor
CLatchButtonArrayTest::CLatchButtonArrayTest()
{
m_widgetControl = (CWidgetControl *)NULL;
m_bgWindow = (CBgWindow *)NULL;
}
// CLatchButtonArrayTest Descriptor
CLatchButtonArrayTest::~CLatchButtonArrayTest()
{
disconnect();
}
// Connect to the NX server
bool CLatchButtonArrayTest::connect(void)
{
// Connect to the server
bool nxConnected = CNxServer::connect();
if (nxConnected)
{
// Set the background color
if (!setBackgroundColor(CONFIG_CLATCHBUTTONARRAYTEST_BGCOLOR))
{
printf("CLatchButtonArrayTest::connect: setBackgroundColor failed\n");
}
}
return nxConnected;
}
// Disconnect from the NX server
void CLatchButtonArrayTest::disconnect(void)
{
// Close the window
if (m_bgWindow)
{
delete m_bgWindow;
}
// Destroy the widget control
if (m_widgetControl)
{
delete m_widgetControl;
}
// 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 CLatchButtonArrayTest::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("CLatchButtonArrayTest::createGraphics: Failed to create CBgWindow instance\n");
delete m_widgetControl;
return false;
}
// Open (and initialize) the window
bool success = m_bgWindow->open();
if (!success)
{
printf("CLatchButtonArrayTest::createGraphics: Failed to open background window\n");
delete m_bgWindow;
m_bgWindow = (CBgWindow*)0;
return false;
}
return true;
}
// Create a CLatchButtonArray instance
CLatchButtonArray *CLatchButtonArrayTest::createButtonArray(void)
{
// Get the width of the display
struct nxgl_size_s windowSize;
if (!m_bgWindow->getSize(&windowSize))
{
printf("CLatchButtonArrayTest::createGraphics: Failed to get window size\n");
return (CLatchButtonArray *)NULL;
}
// Pick an X/Y position such that the button array will be centered in the display
nxgl_coord_t buttonArrayX;
if (BUTTONARRAY_WIDTH >= windowSize.w)
{
buttonArrayX = 0;
}
else
{
buttonArrayX = (windowSize.w - BUTTONARRAY_WIDTH) >> 1;
}
nxgl_coord_t buttonArrayY;
if (BUTTONARRAY_HEIGHT >= windowSize.h)
{
buttonArrayY = 0;
}
else
{
buttonArrayY = (windowSize.h - BUTTONARRAY_HEIGHT) >> 1;
}
// Now we have enough information to create the button array
return new CLatchButtonArray(m_widgetControl,
buttonArrayX, buttonArrayY,
BUTTONARRAY_NCOLUMNS, BUTTONARRAY_NROWS,
BUTTONARRAY_BUTTONWIDTH, BUTTONARRAY_BUTTONHEIGHT);
}
// Draw the button array
void CLatchButtonArrayTest::showButton(CLatchButtonArray *buttonArray)
{
buttonArray->enable(); // Un-necessary, the widget is enabled by default
buttonArray->enableDrawing();
buttonArray->redraw();
}
// Perform a simulated mouse click on a button in the array. This method injects
// the mouse click through the NX heirarchy just as would real mouse
// hardward.
void CLatchButtonArrayTest::click(CLatchButtonArray *buttonArray, int column, int row)
{
// 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 selected 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();
// The the coorinates of the center of the button
nxgl_coord_t buttonX = buttonArray->getX() +
column * BUTTONARRAY_BUTTONWIDTH +
BUTTONARRAY_BUTTONWIDTH/2;
nxgl_coord_t buttonY = buttonArray->getY() +
row * BUTTONARRAY_BUTTONHEIGHT +
BUTTONARRAY_BUTTONHEIGHT/2;
// Then inject the mouse click
(void)nx_mousein(handle, buttonX, buttonY, NX_MOUSE_LEFTBUTTON);
}
// The counterpart to click. This simulates a button release through
// the same mechanism.
void CLatchButtonArrayTest::release(CLatchButtonArray *buttonArray, int column, int row)
{
// 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 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();
// The the coorinates of the center of the button
nxgl_coord_t buttonX = buttonArray->getX() +
column * BUTTONARRAY_BUTTONWIDTH +
BUTTONARRAY_BUTTONWIDTH/2;
nxgl_coord_t buttonY = buttonArray->getY() +
row * BUTTONARRAY_BUTTONHEIGHT +
BUTTONARRAY_BUTTONHEIGHT/2;
// Then inject the mouse release
(void)nx_mousein(handle, buttonX, buttonY, NX_MOUSE_NOBUTTONS);
}
// Widget events are normally handled in a modal loop.
// However, for this case we know when there should be press and release
// events so we don't have to poll. We can just perform a one pass poll
// then check if the event was processed corredly.
void CLatchButtonArrayTest::poll(CLatchButtonArray *button)
{
// Poll for mouse events
m_widgetControl->pollEvents(button);
}