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Diffstat (limited to 'NxWidgets/UnitTests/CTextBox/ctextboxtest.cxx')
-rw-r--r-- | NxWidgets/UnitTests/CTextBox/ctextboxtest.cxx | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/NxWidgets/UnitTests/CTextBox/ctextboxtest.cxx b/NxWidgets/UnitTests/CTextBox/ctextboxtest.cxx new file mode 100644 index 000000000..e54bd4e6a --- /dev/null +++ b/NxWidgets/UnitTests/CTextBox/ctextboxtest.cxx @@ -0,0 +1,287 @@ +///////////////////////////////////////////////////////////////////////////// +// NxWidgets/UnitTests/CTextBox/ctextboxtest.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 <unistd.h> +#include <debug.h> + +#include <nuttx/nx/nx.h> +#include <nuttx/nx/nxfonts.h> + +#include "nxconfig.hxx" +#include "ctextboxtest.hxx" +#include "cbgwindow.hxx" + +///////////////////////////////////////////////////////////////////////////// +// Definitions +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Private Classes +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Private Data +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Public Data +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Public Function Prototypes +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// CTextBoxTest Method Implementations +///////////////////////////////////////////////////////////////////////////// + +// CTextBoxTest Constructor + +CTextBoxTest::CTextBoxTest() +{ + m_bgWindow = (CBgWindow *)NULL; + m_nxFont = (CNxFont *)NULL; + m_text = (CNxString *)NULL; +} + +// CTextBoxTest Descriptor + +CTextBoxTest::~CTextBoxTest() +{ + disconnect(); +} + +// Connect to the NX server + +bool CTextBoxTest::connect(void) +{ + // Connect to the server + + bool nxConnected = CNxServer::connect(); + if (nxConnected) + { + // Create the default font instance + + m_nxFont = new CNxFont(NXFONT_DEFAULT, + CONFIG_NXWIDGETS_DEFAULT_FONTCOLOR, + CONFIG_NXWIDGETS_TRANSPARENT_COLOR); + if (!m_nxFont) + { + printf("CTextBoxTest::connect: Failed to create the default font\n"); + } + + // Set the background color + + if (!setBackgroundColor(CONFIG_CTEXTBOXTEST_BGCOLOR)) + { + printf("CTextBoxTest::connect: setBackgroundColor failed\n"); + } + } + + return nxConnected; +} + +// Disconnect from the NX server + +void CTextBoxTest::disconnect(void) +{ + // Close the window + + if (m_bgWindow) + { + delete m_bgWindow; + } + + // Free the display string + + if (m_text) + { + delete m_text; + m_text = (CNxString *)NULL; + } + + // Free the default font + + if (m_nxFont) + { + delete m_nxFont; + m_nxFont = (CNxFont *)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 CTextBoxTest::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("CTextBoxTest::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("CTextBoxTest::createGraphics: Failed to open background window\n"); + delete m_bgWindow; + m_bgWindow = (CBgWindow*)0; + return false; + } + + return true; +} + +// Create a CTextBox instance + +CTextBox *CTextBoxTest::createTextBox(void) +{ + // Get the width of the display + + struct nxgl_size_s windowSize; + if (!m_bgWindow->getSize(&windowSize)) + { + printf("CTextBoxTest::createGraphics: Failed to get window size\n"); + return (CTextBox *)NULL; + } + + // Create an empty CNxString instance to contain the C string + + m_text = new CNxString(); + + // Get the height and width of the text display area. The width + // is half of the display width and the height is optimized for + // the font height + + nxgl_coord_t textBoxWidth = windowSize.w >> 1; + nxgl_coord_t textBoxHeight = (nxgl_coord_t)m_nxFont->getHeight(); + + // The default CTextBox has borders enabled with thickness of one. + // Add twice the thickness of the border to the height. + + textBoxHeight += 2 * 1; + + // Pick an X/Y position such that the label will be centered in the display + + nxgl_coord_t labelX = windowSize.w >> 2; + nxgl_coord_t labelY = (windowSize.h - textBoxHeight) >> 1; + + // Now we have enough information to create the label + + return new CTextBox(m_widgetControl, labelX, labelY, textBoxWidth, textBoxHeight, *m_text); +} + +// Draw the label + +void CTextBoxTest::showTextBox(CTextBox *label) +{ + label->enable(); + label->enableDrawing(); + label->redraw(); +} + +// Inject simulated keyboard characters into NX. + +void CTextBoxTest::injectChars(CTextBox *textbox, int nCh, FAR const uint8_t *string) +{ + // nx_kbdin is meant to be called by keyboard handling software. + // Here we just inject the string under unit test control. + + // 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 keyboard interface + + NXHANDLE handle = getServer(); + + // The widget must have focus to receive keyboard input + + m_widgetControl->setFocusedWidget(textbox); + + // Inject the string one character at a time to get a more realistic + // simulation of keyboard behavior. Note the API nx_kbdin() could + // be used to inject the string in its entirety. + + for (int i = 0; i < nCh; i++) + { + // Inject the next character + + (void)nx_kbdchin(handle, string[i]); + + // Widget events are normally handled in a modal loop (by calling goModal()). + // However, for this case we know when there should be keyboard events pending, + // events so we don't have to poll repeatedly. We can just perform a one pass + // poll + + m_widgetControl->pollEvents(textbox); + + // Sleep a bit, just for the effect (this also gives the X server loop a + // chance to run in the simulated environment. + + usleep(500*1000); + } +} |