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Diffstat (limited to 'NxWidgets/UnitTests/CScrollbarHorizontal/cscrollbarhorizontaltest.cxx')
| -rw-r--r-- | NxWidgets/UnitTests/CScrollbarHorizontal/cscrollbarhorizontaltest.cxx | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/NxWidgets/UnitTests/CScrollbarHorizontal/cscrollbarhorizontaltest.cxx b/NxWidgets/UnitTests/CScrollbarHorizontal/cscrollbarhorizontaltest.cxx new file mode 100644 index 000000000..06673f080 --- /dev/null +++ b/NxWidgets/UnitTests/CScrollbarHorizontal/cscrollbarhorizontaltest.cxx @@ -0,0 +1,225 @@ +///////////////////////////////////////////////////////////////////////////// +// NxWidgets/UnitTests/CScrollbarHorizontal/cscrollbarhorizontaltest.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 "cscrollbarhorizontaltest.hxx" + +///////////////////////////////////////////////////////////////////////////// +// Definitions +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Private Classes +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Private Data +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Public Data +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Public Function Prototypes +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// CScrollbarHorizontalTest Method Implementations +///////////////////////////////////////////////////////////////////////////// + +// CScrollbarHorizontalTest Constructor + +CScrollbarHorizontalTest::CScrollbarHorizontalTest() +{ + // Initialize state data + + m_widgetControl = (CWidgetControl *)NULL; + m_bgWindow = (CBgWindow *)NULL; +} + +// CScrollbarHorizontalTest Descriptor + +CScrollbarHorizontalTest::~CScrollbarHorizontalTest(void) +{ + disconnect(); +} + +// Connect to the NX server + +bool CScrollbarHorizontalTest::connect(void) +{ + // Connect to the server + + bool nxConnected = CNxServer::connect(); + if (nxConnected) + { + // Set the background color + + if (!setBackgroundColor(CONFIG_CSCROLLBARHORIZONTALTEST_BGCOLOR)) + { + message("CScrollbarHorizontalTest::connect: setBackgroundColor failed\n"); + } + } + + return nxConnected; +} + +// Disconnect from the NX server + +void CScrollbarHorizontalTest::disconnect(void) +{ + // 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 CScrollbarHorizontalTest::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) + { + message("CScrollbarHorizontalTest::createWindow: Failed to create CBgWindow instance\n"); + disconnect(); + return false; + } + + // Open (and initialize) the window + + bool success = m_bgWindow->open(); + if (!success) + { + message("CScrollbarHorizontalTest::createWindow: Failed to open background window\n"); + disconnect(); + return false; + } + + return true; +} + +// Create a scrollbar in the center of the window + +CScrollbarHorizontal *CScrollbarHorizontalTest::createScrollbar(void) +{ + // Get the size of the display + + struct nxgl_size_s windowSize; + if (!m_bgWindow->getSize(&windowSize)) + { + printf("CScrollbarHorizontalTest::createScrollbar: Failed to get window size\n"); + disconnect(); + return false; + } + + // Put the scrollbar in the center of the display + + nxgl_coord_t scrollbarWidth = windowSize.w >> 1; + nxgl_coord_t scrollbarX = windowSize.w >> 2; + + nxgl_coord_t scrollbarHeight = 10; + nxgl_coord_t scrollbarY = (windowSize.h - scrollbarHeight) >> 1; + + // Create the scrollbar + + CScrollbarHorizontal *scrollbar = + new CScrollbarHorizontal(m_widgetControl, + scrollbarX, scrollbarY, + scrollbarWidth, scrollbarHeight); + if (!scrollbar) + { + printf("CScrollbarHorizontalTest::createScrollbar: Failed to create CScrollbarHorizontal\n"); + disconnect(); + } + return scrollbar; +} + +// (Re-)draw the scrollbar. + +void CScrollbarHorizontalTest::showScrollbar(CScrollbarHorizontal *scrollbar) +{ + scrollbar->enable(); // Un-necessary, the widget is enabled by default + scrollbar->enableDrawing(); + scrollbar->redraw(); +} |