///////////////////////////////////////////////////////////////////////////// // NxWidgets/UnitTests/CCheckBox/ccheckboxtest.cxx // // Copyright (C) 2012 Gregory Nutt. All rights reserved. // Author: Gregory Nutt // // 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 #include #include #include #include #include #include #include "nxconfig.hxx" #include "cbgwindow.hxx" #include "ccheckboxtest.hxx" #include "cbitmap.hxx" #include "glyphs.hxx" ///////////////////////////////////////////////////////////////////////////// // Definitions ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// // Private Classes ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// // Private Data ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// // Public Data ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// // Public Function Prototypes ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// // CCheckBoxTest Method Implementations ///////////////////////////////////////////////////////////////////////////// // CCheckBoxTest Constructor CCheckBoxTest::CCheckBoxTest() { // Initialize state data m_widgetControl = (CWidgetControl *)NULL; m_bgWindow = (CBgWindow *)NULL; m_checkBox = (CCheckBox *)NULL; } // CCheckBoxTest Descriptor CCheckBoxTest::~CCheckBoxTest(void) { disconnect(); } // Connect to the NX server bool CCheckBoxTest::connect(void) { // Connect to the server bool nxConnected = CNxServer::connect(); if (nxConnected) { // Set the background color if (!setBackgroundColor(CONFIG_CCHECKBOXTEST_BGCOLOR)) { printf("CCheckBoxTest::connect: setBackgroundColor failed\n"); } } return nxConnected; } // Disconnect from the NX server void CCheckBoxTest::disconnect(void) { // Free the radiobutton group if (m_checkBox) { delete m_checkBox; m_checkBox = (CCheckBox *)NULL; } // 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 CCheckBoxTest::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("CCheckBoxTest::createWindow: Failed to create CBgWindow instance\n"); disconnect(); return false; } // Open (and initialize) the window bool success = m_bgWindow->open(); if (!success) { printf("CCheckBoxTest::createWindow: Failed to open background window\n"); disconnect(); return false; } // Get the size of the display struct nxgl_size_s windowSize; if (!m_bgWindow->getSize(&windowSize)) { printf("CCheckBoxTest::createWindow: Failed to get window size\n"); disconnect(); return false; } // Use the the size of the ON checkbox glyph. (adding twice the border thickness) nxgl_coord_t width = g_checkBoxOn.width + 2 * 1; nxgl_coord_t height = g_checkBoxOn.height + 2 * 1; nxgl_coord_t checkboxX = (windowSize.w - width) >> 1; nxgl_coord_t checkboxY = (windowSize.h - height) >> 1; // Create the checkbox m_checkBox = new CCheckBox(m_widgetControl, checkboxX, checkboxY, width, height, (CWidgetStyle *)NULL); if (!m_checkBox) { printf("CCheckBoxTest::createWindow: Failed to create CCheckBox\n"); disconnect(); return false; } return true; } // (Re-)draw the check box. void CCheckBoxTest::showCheckBox(void) { m_checkBox->enable(); // Un-necessary, the widget is enabled by default m_checkBox->enableDrawing(); m_checkBox->redraw(); } // Push the radio button void CCheckBoxTest::clickCheckBox(void) { // Get the checkbox center coordinates nxgl_coord_t checkboxX = m_checkBox->getX() + (m_checkBox->getWidth() >> 1); nxgl_coord_t checkboxY = m_checkBox->getY() + (m_checkBox->getHeight() >> 1); // Click the checkbox by calling nx_mousein. 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 radio 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, checkboxX, checkboxY, NX_MOUSE_LEFTBUTTON); // Poll for mouse events // // Widget events are normally handled in a modal loop. // However, for this case we know that we just pressed the mouse button // so we don't have to poll. We can just perform a one pass poll then // then check if the mouse event was processed corredly. m_widgetControl->pollEvents(m_checkBox); // Then inject the mouse release (void)nx_mousein(handle, checkboxX, checkboxY, 0); // And poll for more mouse events m_widgetControl->pollEvents(m_checkBox); // And re-draw the buttons (the mouse click event should have automatically // triggered the re-draw) // // showCheckBox(); } // Show the state of the radio button group void CCheckBoxTest::showCheckBoxState(void) { CCheckBox::CheckBoxState state = m_checkBox->getState(); switch (state) { case CCheckBox::CHECK_BOX_STATE_OFF: // Checkbox is unticked printf("CCheckBoxTest::showCheckBoxState Checkbox is in the unticked state\n"); break; case CCheckBox::CHECK_BOX_STATE_ON: // Checkbox is ticked printf("CCheckBoxTest::showCheckBoxState Check is in the ticked state\n"); break; default: case CCheckBox::CHECK_BOX_STATE_MU: // Checkbox is in the third state printf("CCheckBoxTest::showCheckBoxState Checkbox is in the 3rd state\n"); break; } }