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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-04-30 22:51:34 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-04-30 22:51:34 +0000 |
commit | 1d3abc8d480110850480ca27560e6a9672052e0b (patch) | |
tree | d3fe39dd74ee37e27515c87e27230b6bad3d6d95 /NxWidgets/nxwm/src/cstartwindow.cxx | |
parent | 9384da7066d128ab6a0fb7616a671047c374cd4a (diff) | |
download | px4-nuttx-1d3abc8d480110850480ca27560e6a9672052e0b.tar.gz px4-nuttx-1d3abc8d480110850480ca27560e6a9672052e0b.tar.bz2 px4-nuttx-1d3abc8d480110850480ca27560e6a9672052e0b.zip |
More NX window manager updates
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4679 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'NxWidgets/nxwm/src/cstartwindow.cxx')
-rw-r--r-- | NxWidgets/nxwm/src/cstartwindow.cxx | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/NxWidgets/nxwm/src/cstartwindow.cxx b/NxWidgets/nxwm/src/cstartwindow.cxx new file mode 100644 index 000000000..4213c33cb --- /dev/null +++ b/NxWidgets/nxwm/src/cstartwindow.cxx @@ -0,0 +1,452 @@ +/******************************************************************************************** + * NxWidgets/nxwm/src/cnxconsole.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 "cwidgetcontrol.hxx" + +#include "nxwmconfig.hxx" +#include "nxwmglyphs.hxx" +#include "ctaskbar.hxx" +#include "cstartwindow.hxx" + +/******************************************************************************************** + * Pre-Processor Definitions + ********************************************************************************************/ + +/******************************************************************************************** + * CNxConsole Method Implementations + ********************************************************************************************/ + +using namespace NxWM; + +/** + * CStartWindow Constructor + * + * @param taskbar. A pointer to the parent task bar instance + * @param window. The window to be used by this application. + */ + +CStartWindow::CStartWindow(CTaskbar *taskbar, CApplicationWindow *window) +{ + // Save the constructor data + + m_taskbar = taskbar; + m_window = window; + + // Add out callbacks to the application window + + window->registerCallbacks(static_cast<IApplicationCallback *>(this)); +} + +/** + * CStartWindow Constructor + */ + +CStartWindow::~CStartWindow(void) +{ + // Although we didn't create it, we are responsible for deleting the + // application window + + if (m_window) + { + delete m_window; + } + + // Then stop and delete all applications + + stopAllApplications(); +} + +/** + * Each implementation of IApplication must provide a method to recover + * the contained CApplicationWindow instance. + */ + +CApplicationWindow *CStartWindow::getWindow(void) const +{ + return m_window; +} + +/** + * Get the icon associated with the application + * + * @return An instance if IBitmap that may be used to rend the + * application's icon. This is an new IBitmap instance that must + * be deleted by the caller when it is no long needed. + */ + +NXWidgets::IBitmap *CStartWindow::getIcon(void) +{ + NXWidgets::CRlePaletteBitmap *bitmap = + new NXWidgets::CRlePaletteBitmap(&g_startBitmap); + + return bitmap; +} + +/** + * Get the name string associated with the application + * + * @return A copy if CNxString that contains the name of the application. + */ + +NXWidgets::CNxString CStartWindow::getName(void) +{ + return NXWidgets::CNxString("Start Window"); +} + +/** + * Start the application. + */ + +void CStartWindow::run(void) +{ + // We don't have a thread of execution. We only respond to button presses +} + +/** + * Stop the application. + */ + +void CStartWindow::stop(void) +{ + // We don't have a thread of execution. We only respond to button presses +} + +/** + * The application window is hidden (either it is minimized or it is + * maximized, but not at the top of the hierarchy + */ + +void CStartWindow::hide(void) +{ + // Disable drawing and events on all icons + + for (int i = 0; i < m_slots.size(); i++) + { + NXWidgets::CImage *image = m_slots.at(i).image; + image->disableDrawing(); + image->setRaisesEvents(false); + } +} + +/** + * Redraw the entire window. The application has been maximized or + * otherwise moved to the top of the hiearchy + */ + +void CStartWindow::redraw(void) +{ + // Recover the NXTK window instance contained in the application window + + NXWidgets::CNxTkWindow *window = m_window->getWindow(); + + // Get the widget control associated with the NXTK window + + NXWidgets::CWidgetControl *control = window->getWidgetControl(); + + // Get the graphics port for drawing on the widget control + + NXWidgets::CGraphicsPort *port = control->getGraphicsPort(); + + // Get the size of the application window + + struct nxgl_size_s windowSize; + if (!window->getSize(&windowSize)) + { + return; + } + + // Fill the entire window with the background color + + port->drawFilledRect(0, 0, windowSize.w, windowSize.h, + CONFIG_NXWM_DEFAULT_BACKGROUNDCOLOR); + + // Begin adding icons in the upper left corner + + struct nxgl_point_s iconPos; + iconPos.x = CONFIG_NXWM_STARTWINDOW_HSPACING; + iconPos.y = CONFIG_NXWM_STARTWINDOW_VSPACING; + + // Add each icon in the list of applications + + for (int i = 0; i < m_slots.size(); i++) + { + // Get the icon associated with this application + + NXWidgets::CImage *image = m_slots.at(i).image; + + // Disable drawing of the icon image; disable events from the icon + + image->disableDrawing(); + image->setRaisesEvents(false); + + // Get the size of the icon image + + NXWidgets::CRect rect; + image->getPreferredDimensions(rect); + + // Center the image in the region defined by the maximum icon size + + struct nxgl_point_s imagePos; + imagePos.x = iconPos.x; + imagePos.y = iconPos.y; + + if (rect.getWidth() < m_iconSize.w) + { + imagePos.x += ((m_iconSize.w - rect.getWidth()) >> 1); + } + + if (rect.getHeight() < m_iconSize.h) + { + imagePos.y += ((m_iconSize.h - rect.getHeight()) >> 1); + } + + // Set the position of the icon bitmap + + image->moveTo(imagePos.x, imagePos.y); + + // Then re-draw the icon at the new position + + image->enableDrawing(); + image->redraw(); + image->setRaisesEvents(true); + + // Advance the next icon position to the left + + iconPos.x += m_iconSize.w + CONFIG_NXWM_TASKBAR_HSPACING; + + // If there is insufficient space on on this row for the next + // max-sized icon, then advance to the next row + + if (iconPos.x + m_iconSize.w >= windowSize.w) + { + iconPos.x = CONFIG_NXWM_STARTWINDOW_HSPACING; + iconPos.y += m_iconSize.h + CONFIG_NXWM_TASKBAR_VSPACING; + + // Don't try drawing past the bottom of the window + + if (iconPos.y >= windowSize.w) + { + break; + } + } + } +} + +/** + * Add the application to the start window. The general sequence for + * setting up the start window is: + * + * 1. Call CTaskBar::openApplicationWindow to create a window for the start window, + * 2. Use the window to instantiate CStartMenu + * 3. Call CStartMenu::addApplication numerous times to install applications + * in the start window. + * 4. Call CTaskBar::startApplication (initially minimized) to start the start + * window application. + * + * @param app. The new application to add to the start window + * @return true on success + */ + +bool CStartWindow::addApplication(IApplication *app) +{ + // Recover the NXTK window instance contained in the application window + + NXWidgets::CNxTkWindow *window = m_window->getWindow(); + + // Get the widget control associated with the NXTK window + + NXWidgets::CWidgetControl *control = window->getWidgetControl(); + + // Get the bitmap icon that goes with this application + + NXWidgets::IBitmap *bitmap = app->getIcon(); + + // Create a CImage instance to manage the application icon + + NXWidgets::CImage *image = + new NXWidgets::CImage(control, 0, 0, bitmap->getWidth(), + bitmap->getHeight(), bitmap, 0); + if (!image) + { + return false; + } + + // Configure the image, disabling drawing for now + + image->setBorderless(true); + image->disableDrawing(); + + // Register to get events from the mouse clicks on the image + + image->addWidgetEventHandler(this); + + // Add the application to end of the list of applications managed by + // the start window + + struct SStartWindowSlot slot; + slot.app = app; + slot.image = image; + m_slots.push_back(slot); + + // Re-calculate the icon bounding box + + getIconBounds(); + return true; +} + +/** + * Called when the window minimize button is pressed. + */ + +void CStartWindow::minimize(void) +{ + m_taskbar->minimizeApplication(static_cast<IApplication*>(this)); +} + +/** + * Called when the window minimize close is pressed. + */ + +void CStartWindow::close(void) +{ + m_taskbar->stopApplication(static_cast<IApplication*>(this)); +} + +/** + * Calculate the icon bounding box + */ + +void CStartWindow::getIconBounds(void) +{ + // Visit each icon + + struct nxgl_size_s maxSize; + maxSize.w = 0; + maxSize.h = 0; + + for (int i = 0; i < m_slots.size(); i++) + { + // Get the icon associated with this application + + NXWidgets::CImage *image = m_slots.at(i).image; + + // Get the size of the icon image + + NXWidgets::CRect rect; + image->getPreferredDimensions(rect); + + // Keep the maximum height and width + + if (rect.getWidth() > maxSize.h) + { + maxSize.w = rect.getWidth() ; + } + + if (rect.getHeight() > maxSize.h) + { + maxSize.h = rect.getHeight(); + } + } + + // And save the new maximum size + + m_iconSize.w = maxSize.w; + m_iconSize.h = maxSize.h; +} + +/** + * Stop all applications + */ + +void CStartWindow::stopAllApplications(void) +{ + // Stop all applications and remove them from the task bar. Clearly, there + // are some ordering issues here... On an orderly system shutdown, disconnection + // should really occur priority to deleting instances + + while (!m_slots.empty()) + { + // Stop the application (and remove it from the task bar) + + IApplication *app = m_slots.at(0).app; + m_taskbar->stopApplication(app); + + // Now, delete the image and the application + + delete app; + delete m_slots.at(0).image; + + // And discard the data in this slot + + m_slots.erase(0); + } +} + +/** + * Handle a mouse button click event. + * + * @param e The event data. + */ + +void CStartWindow::handleClickEvent(const NXWidgets::CWidgetEventArgs &e) +{ + // icon was clicked? + + for (int i = 0; i < m_slots.size(); i++) + { + // Is this the clicked icon? + + NXWidgets::CImage *image = m_slots.at(i).image; + if (image->isClicked()) + { + // Start a new copy of the application + + m_taskbar->startApplication(m_slots.at(i).app, false); + + // Then break out of the loop + + break; + } + } +} + + + |