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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-03-22 21:22:59 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-03-22 21:22:59 +0000 |
commit | 4dedf494c242b2c4b52707441eefe2a36fbacf0f (patch) | |
tree | 36728130c995053f18637c019829f492f0c3b3fe /NxWidgets/UnitTests/CButton/cbuttontest.cxx | |
parent | af2319a52f4b11df952a5a1060c76cc0cdff0b98 (diff) | |
download | nuttx-4dedf494c242b2c4b52707441eefe2a36fbacf0f.tar.gz nuttx-4dedf494c242b2c4b52707441eefe2a36fbacf0f.tar.bz2 nuttx-4dedf494c242b2c4b52707441eefe2a36fbacf0f.zip |
First check-in of NxWidgets
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4505 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'NxWidgets/UnitTests/CButton/cbuttontest.cxx')
-rw-r--r-- | NxWidgets/UnitTests/CButton/cbuttontest.cxx | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/NxWidgets/UnitTests/CButton/cbuttontest.cxx b/NxWidgets/UnitTests/CButton/cbuttontest.cxx new file mode 100644 index 000000000..49f32f551 --- /dev/null +++ b/NxWidgets/UnitTests/CButton/cbuttontest.cxx @@ -0,0 +1,325 @@ +///////////////////////////////////////////////////////////////////////////// +// NxWidgets/UnitTests/CButton/cbuttontest.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 "cbuttontest.hxx" +#include "cbgwindow.hxx" + +///////////////////////////////////////////////////////////////////////////// +// Definitions +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Private Classes +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Private Data +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Public Data +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Public Function Prototypes +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// CButtonTest Method Implementations +///////////////////////////////////////////////////////////////////////////// + +// CButtonTest Constructor + +CButtonTest::CButtonTest() +{ + m_bgWindow = (CBgWindow *)NULL; + m_nxFont = (CNxFont *)NULL; + m_text = (CNxString *)NULL; +} + +// CButtonTest Descriptor + +CButtonTest::~CButtonTest() +{ + disconnect(); +} + +// Connect to the NX server + +bool CButtonTest::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("CButtonTest::connect: Failed to create the default font\n"); + } + + // Set the background color + + if (!setBackgroundColor(CONFIG_CBUTTONTEST_BGCOLOR)) + { + printf("CButtonTest::connect: setBackgroundColor failed\n"); + } + } + + return nxConnected; +} + +// Disconnect from the NX server + +void CButtonTest::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 CButtonTest::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("CButtonTest::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("CButtonTest::createGraphics: Failed to open background window\n"); + delete m_bgWindow; + m_bgWindow = (CBgWindow*)0; + return false; + } + + return true; +} + +// Create a CButton instance + +CButton *CButtonTest::createButton(FAR const char *text) +{ + // Get the width of the display + + struct nxgl_size_s windowSize; + if (!m_bgWindow->getSize(&windowSize)) + { + printf("CButtonTest::createGraphics: Failed to get window size\n"); + return (CButton *)NULL; + } + + // Create a CNxString instance to contain the C string + + m_text = new CNxString(text); + + // Get the height and width of the text display area + + nxgl_coord_t stringWidth = m_nxFont->getStringWidth(*m_text); + nxgl_coord_t stringHeight = (nxgl_coord_t)m_nxFont->getHeight(); + + // The default CButton has borders enabled with thickness of the border + // width. Add twice the thickness of the borderto the width and height. (We + // could let CButton do this for us by calling CButton::getPreferredDimensions()) + + stringWidth += 2 * 1; + stringHeight += 2 * 1; + + // Pick an X/Y position such that the button will be centered in the display + + nxgl_coord_t buttonX; + if (stringWidth >= windowSize.w) + { + buttonX = 0; + } + else + { + buttonX = (windowSize.w - stringWidth) >> 1; + } + + nxgl_coord_t buttonY; + if (stringHeight >= windowSize.h) + { + buttonY = 0; + } + else + { + buttonY = (windowSize.h - stringHeight) >> 1; + } + + // Save the center position of the button for use by click and release + + m_center.x = buttonX + (stringWidth >> 1); + m_center.y = buttonY + (stringHeight >> 1); + + // Now we have enough information to create the button + + return new CButton(m_widgetControl, buttonX, buttonY, stringWidth, stringHeight, *m_text); +} + +// Draw the button + +void CButtonTest::showButton(CButton *button) +{ + button->enable(); // Un-necessary, the widget is enabled by default + button->enableDrawing(); + button->redraw(); +} + +// Perform a simulated mouse click on the button. This method injects +// the mouse click through the NX heirarchy just as would real mouse +// hardward. + +void CButtonTest::click(void) +{ + // 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(); + + // Then inject the mouse click + + (void)nx_mousein(handle, m_center.x, m_center.y, NX_MOUSE_LEFTBUTTON); +} + +// The counterpart to click. This simulates a button release through +// the same mechanism. + +void CButtonTest::release(void) +{ + // 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(); + + // Then inject the mouse click + + (void)nx_mousein(handle, m_center.x, m_center.y, NX_MOUSE_NOBUTTONS); +} + +// Widget events are normally handled in a modal loop (by calling goModal()). +// 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. + +bool CButtonTest::poll(CButton *button) +{ + // Poll for mouse events + + m_widgetControl->pollEvents(button); + + // And return the button clicked state + + return button->isClicked(); +} + |