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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/CKeypad/ckeypadtest.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/CKeypad/ckeypadtest.cxx')
-rw-r--r-- | NxWidgets/UnitTests/CKeypad/ckeypadtest.cxx | 458 |
1 files changed, 458 insertions, 0 deletions
diff --git a/NxWidgets/UnitTests/CKeypad/ckeypadtest.cxx b/NxWidgets/UnitTests/CKeypad/ckeypadtest.cxx new file mode 100644 index 000000000..5d3eeda2a --- /dev/null +++ b/NxWidgets/UnitTests/CKeypad/ckeypadtest.cxx @@ -0,0 +1,458 @@ +///////////////////////////////////////////////////////////////////////////// +// NxWidgets/UnitTests/CKeypad/ckeypadtest.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 "ckeypadtest.hxx" +#include "cbgwindow.hxx" +#include "cnxstring.hxx" +#include "cnxfont.hxx" +#include "crect.hxx" + +///////////////////////////////////////////////////////////////////////////// +// Definitions +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Private Classes +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Private Data +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Public Data +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// Public Function Prototypes +///////////////////////////////////////////////////////////////////////////// + +///////////////////////////////////////////////////////////////////////////// +// CKeypadTest Method Implementations +///////////////////////////////////////////////////////////////////////////// + +// CKeypadTest Constructor + +CKeypadTest::CKeypadTest() +{ + m_widgetControl = (CWidgetControl *)NULL; + m_bgWindow = (CBgWindow *)NULL; + m_buttonWidth = 0; + m_buttonHeight = 0; + m_displayHeight = 0; +} + +// CKeypadTest Descriptor + +CKeypadTest::~CKeypadTest() +{ + disconnect(); +} + +// Connect to the NX server + +bool CKeypadTest::connect(void) +{ + // Connect to the server + + bool nxConnected = CNxServer::connect(); + if (nxConnected) + { + // Set the background color + + if (!setBackgroundColor(CONFIG_CKEYPADTEST_BGCOLOR)) + { + message("CKeypadTest::connect: setBackgroundColor failed\n"); + } + } + + return nxConnected; +} + +// Disconnect from the NX server + +void CKeypadTest::disconnect(void) +{ + // Destroy the text box + + if (m_textbox) + { + delete m_textbox; + } + + // 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 CKeypadTest::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("CKeypadTest::createGraphics: Failed to create CBgWindow instance\n"); + delete m_widgetControl; + return false; + } + + // Open (and initialize) the window + + bool success = m_bgWindow->open(); + if (!success) + { + message("CKeypadTest::createGraphics: Failed to open background window\n"); + delete m_bgWindow; + m_bgWindow = (CBgWindow*)0; + return false; + } + + // Then determine the display size + + setDisplaySize(); + return true; +} + +// Pick size of the display + +void CKeypadTest::setDisplaySize(void) +{ + // Get the height and width of the display + + struct nxgl_size_s windowSize; + if (!m_bgWindow->getSize(&windowSize)) + { + message("CKeypadTest::createGraphics: Failed to get window size\n"); + return; + } + + // Pick a height and width of a button. Here we use inside information + // that the number of rows and columns in the keypad. This should not matter in + // a "real" application. + + // Lets aim for a width of 4*60 = 240 + + if (windowSize.w > KEYPAD_NCOLUMNS*60) + { + m_buttonWidth = 60; + } + else + { + // Otherwise, let's use what we have + + m_buttonWidth = windowSize.w >> 2; + } + + // Lets aim for a height of 7*32 = 224. But lets bump up the number of rows + // to allow one for the text box. + + if (windowSize.h > (KEYPAD_NROWS+1)*32) + { + m_buttonHeight = 32; + m_displayHeight = (KEYPAD_NROWS+1)*32; + } + else + { + // Otherwise, let's use what we have + + m_buttonHeight = windowSize.h >> 3; + m_displayHeight = windowSize.h; + } +} + +// Create a CKeypad instance + +CKeypad *CKeypadTest::createKeypad(void) +{ + // Get the height and width of the display + + struct nxgl_size_s windowSize; + if (!m_bgWindow->getSize(&windowSize)) + { + message("CKeypadTest::createGraphics: Failed to get window size\n"); + return (CKeypad *)NULL; + } + + // Pick a height and width. Here we use inside information that the number + // of rows in the keypad is 7. This should not matter in a "real" application. + + nxgl_coord_t keypadWidth = KEYPAD_NCOLUMNS * m_buttonWidth; + nxgl_coord_t keypadHeight = KEYPAD_NROWS * m_buttonHeight; + + // Pick an X/Y position such that the keypad will be centered in the display + + nxgl_coord_t keypadOffset = m_displayHeight - keypadHeight; + + nxgl_coord_t keypadX = (windowSize.w - keypadWidth) >> 1; + nxgl_coord_t keypadY = keypadOffset + ((windowSize.h - m_displayHeight) >> 1); + + // Now we have enough information to create the keypad + + CKeypad *keypad = new CKeypad(m_widgetControl, getServer(), keypadX, keypadY, + keypadWidth, keypadHeight); + if (keypad) + { + // Create a text box to catch the keyboard inputs + + m_textbox = createTextBox(); + if (!m_textbox) + { + delete keypad; + keypad = (CKeypad *)NULL; + } + else + { + // Always show the cursor and wrap the cursor if it goes past the end + + m_textbox->showCursor(SHOW_CURSOR_ALWAYS); + m_textbox->wrapCursor(true); + + // Align text on the left + + m_textbox->setTextAlignmentHoriz(CTextBox::TEXT_ALIGNMENT_HORIZ_LEFT); + + // Configure the text box to receive the keyboard input + + keypad->addWidgetEventHandler(m_textbox); + } + } + + return keypad; +} + +// Create a CTextBox instance so that we can see the keypad output + +CTextBox *CKeypadTest::createTextBox(void) +{ + // Get the height and width of the display + + struct nxgl_size_s windowSize; + if (!m_bgWindow->getSize(&windowSize)) + { + message("CKeypadTest::createGraphics: Failed to get window size\n"); + return (CTextBox *)NULL; + } + + // Pick a height and width. Here we use inside information that the number + // of rows in the keypad is 7. This should not matter in a "real" application. + + nxgl_coord_t textboxWidth = KEYPAD_NCOLUMNS * m_buttonWidth; + nxgl_coord_t textboxHeight = m_displayHeight - KEYPAD_NROWS * m_buttonHeight; + + // Pick an X/Y position such that the keypad will be centered in the display + + nxgl_coord_t textboxX = (windowSize.w - textboxWidth) >> 1; + nxgl_coord_t textboxY = (windowSize.h - m_displayHeight) >> 1; + + // Now we have enough information to create the TextBox + + return new CTextBox(m_widgetControl, textboxX, textboxY, + textboxWidth, textboxHeight, ""); +} + +// Draw the keypad + +void CKeypadTest::showKeypad(CKeypad *keypad) +{ + // Re-draw the keypad + + keypad->enable(); // Un-necessary, the widget is enabled by default + keypad->enableDrawing(); + keypad->redraw(); + + // Then redraw the text box + + m_textbox->enable(); // Un-necessary, the widget is enabled by default + m_textbox->enableDrawing(); + m_textbox->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 CKeypadTest::click(CKeypad *keypad, 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 = keypad->getX() + column * m_buttonWidth + (m_buttonWidth >> 1); + nxgl_coord_t buttonY = keypad->getY() + row * m_buttonHeight + (m_buttonHeight >> 1); + + // 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 CKeypadTest::release(CKeypad *keypad, 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 = keypad->getX() + + column * m_buttonWidth + + m_buttonWidth/2; + nxgl_coord_t buttonY = keypad->getY() + + row * m_buttonHeight + + m_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 (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. + +void CKeypadTest::poll(CKeypad *button) +{ + // Poll for mouse events + + m_widgetControl->pollEvents(button); + + // Limit the amount of text in the TextBox + + reverseAlignment(); +} + +// Start with left text alignment. When the text reaches the right sice +// of the text box, switch to right text alignment. + +void CKeypadTest::reverseAlignment(void) +{ + // Get the current horizontal text alignment + + CTextBox::TextAlignmentHoriz hAlign = m_textbox->getTextAlignmentHoriz(); + + // Are we still using left text alignment? + + if (hAlign == CTextBox::TEXT_ALIGNMENT_HORIZ_LEFT) + { + // Yes.. Get the string in the text box + + CNxString string = m_textbox->getText(); + + // Get the font + + CNxFont *font = m_textbox->getFont(); + + // Get the TextBox bounding box + + CRect rect; + m_textbox->getRect(rect); + + // When the length of string approaches the width of the display + // region, then switch to right text alignment + + int mxWidth = font->getMaxWidth(); + if (font->getStringWidth(string) + mxWidth >= rect.getWidth()) + { + // Switch to right text alignment + + m_textbox->setTextAlignmentHoriz(CTextBox::TEXT_ALIGNMENT_HORIZ_RIGHT); + } + } +} + |