460 lines
12 KiB
C++
460 lines
12 KiB
C++
/********************************************************************************************
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* NxWidgets/nxwm/src/cnxconsole.cxx
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
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* me be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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********************************************************************************************/
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/********************************************************************************************
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* Included Files
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********************************************************************************************/
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#include <nuttx/config.h>
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#include "cwidgetcontrol.hxx"
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#include "nxwmconfig.hxx"
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#include "nxwmglyphs.hxx"
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#include "ctaskbar.hxx"
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#include "cstartwindow.hxx"
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/********************************************************************************************
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* Pre-Processor Definitions
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********************************************************************************************/
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/********************************************************************************************
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* CNxConsole Method Implementations
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********************************************************************************************/
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using namespace NxWM;
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/**
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* CStartWindow Constructor
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*
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* @param taskbar. A pointer to the parent task bar instance
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* @param window. The window to be used by this application.
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*/
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CStartWindow::CStartWindow(CTaskbar *taskbar, CApplicationWindow *window)
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{
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// Save the constructor data
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m_taskbar = taskbar;
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m_window = window;
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// Add our personalized window label
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NXWidgets::CNxString myName = getName();
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window->setWindowLabel(myName);
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// Add our callbacks to the application window
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window->registerCallbacks(static_cast<IApplicationCallback *>(this));
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}
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/**
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* CStartWindow Constructor
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*/
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CStartWindow::~CStartWindow(void)
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{
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// Although we didn't create it, we are responsible for deleting the
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// application window
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if (m_window)
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{
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delete m_window;
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}
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// Then stop and delete all applications
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stopAllApplications();
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}
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/**
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* Each implementation of IApplication must provide a method to recover
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* the contained CApplicationWindow instance.
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*/
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CApplicationWindow *CStartWindow::getWindow(void) const
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{
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return m_window;
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}
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/**
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* Get the icon associated with the application
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*
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* @return An instance if IBitmap that may be used to rend the
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* application's icon. This is an new IBitmap instance that must
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* be deleted by the caller when it is no long needed.
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*/
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NXWidgets::IBitmap *CStartWindow::getIcon(void)
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{
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NXWidgets::CRlePaletteBitmap *bitmap =
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new NXWidgets::CRlePaletteBitmap(&g_startBitmap);
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return bitmap;
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}
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/**
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* Get the name string associated with the application
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*
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* @return A copy if CNxString that contains the name of the application.
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*/
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NXWidgets::CNxString CStartWindow::getName(void)
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{
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return NXWidgets::CNxString("Start Window");
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}
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/**
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* Start the application.
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*
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* @return True if the application was successfully started.
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*/
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bool CStartWindow::run(void)
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{
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// We don't have a thread of execution. We only respond to button presses
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return true;
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}
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/**
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* Stop the application.
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*/
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void CStartWindow::stop(void)
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{
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// We don't have a thread of execution. We only respond to button presses
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}
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/**
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* The application window is hidden (either it is minimized or it is
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* maximized, but not at the top of the hierarchy
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*/
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void CStartWindow::hide(void)
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{
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// Disable drawing and events on all icons
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for (int i = 0; i < m_slots.size(); i++)
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{
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NXWidgets::CImage *image = m_slots.at(i).image;
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image->disableDrawing();
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image->setRaisesEvents(false);
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}
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}
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/**
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* Redraw the entire window. The application has been maximized or
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* otherwise moved to the top of the hiearchy
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*/
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void CStartWindow::redraw(void)
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{
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// Recover the NXTK window instance contained in the application window
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NXWidgets::CNxTkWindow *window = m_window->getWindow();
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// Get the widget control associated with the NXTK window
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NXWidgets::CWidgetControl *control = window->getWidgetControl();
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// Get the graphics port for drawing on the widget control
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NXWidgets::CGraphicsPort *port = control->getGraphicsPort();
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// Get the size of the application window
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struct nxgl_size_s windowSize;
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if (!window->getSize(&windowSize))
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{
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return;
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}
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// Fill the entire window with the background color
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port->drawFilledRect(0, 0, windowSize.w, windowSize.h,
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CONFIG_NXWM_DEFAULT_BACKGROUNDCOLOR);
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// Begin adding icons in the upper left corner
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struct nxgl_point_s iconPos;
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iconPos.x = CONFIG_NXWM_STARTWINDOW_HSPACING;
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iconPos.y = CONFIG_NXWM_STARTWINDOW_VSPACING;
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// Add each icon in the list of applications
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for (int i = 0; i < m_slots.size(); i++)
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{
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// Get the icon associated with this application
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NXWidgets::CImage *image = m_slots.at(i).image;
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// Disable drawing of the icon image; disable events from the icon
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image->disableDrawing();
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image->setRaisesEvents(false);
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// Get the size of the icon image
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NXWidgets::CRect rect;
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image->getPreferredDimensions(rect);
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// Center the image in the region defined by the maximum icon size
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struct nxgl_point_s imagePos;
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imagePos.x = iconPos.x;
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imagePos.y = iconPos.y;
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if (rect.getWidth() < m_iconSize.w)
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{
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imagePos.x += ((m_iconSize.w - rect.getWidth()) >> 1);
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}
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if (rect.getHeight() < m_iconSize.h)
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{
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imagePos.y += ((m_iconSize.h - rect.getHeight()) >> 1);
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}
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// Set the position of the icon bitmap
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image->moveTo(imagePos.x, imagePos.y);
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// Then re-draw the icon at the new position
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image->enableDrawing();
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image->redraw();
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image->setRaisesEvents(true);
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// Advance the next icon position to the left
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iconPos.x += m_iconSize.w + CONFIG_NXWM_TASKBAR_HSPACING;
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// If there is insufficient space on on this row for the next
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// max-sized icon, then advance to the next row
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if (iconPos.x + m_iconSize.w >= windowSize.w)
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{
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iconPos.x = CONFIG_NXWM_STARTWINDOW_HSPACING;
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iconPos.y += m_iconSize.h + CONFIG_NXWM_TASKBAR_VSPACING;
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// Don't try drawing past the bottom of the window
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if (iconPos.y >= windowSize.w)
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{
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break;
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}
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}
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}
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}
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/**
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* Add the application to the start window. The general sequence for
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* setting up the start window is:
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*
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* 1. Call CTaskBar::openApplicationWindow to create a window for the start window,
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* 2. Use the window to instantiate CStartWindow
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* 3. Call CStartWindow::addApplication numerous times to install applications
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* in the start window.
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* 4. Call CTaskBar::startApplication (initially minimized) to start the start
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* window application.
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*
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* @param app. The new application to add to the start window
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* @return true on success
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*/
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bool CStartWindow::addApplication(IApplication *app)
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{
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// Recover the NXTK window instance contained in the application window
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NXWidgets::CNxTkWindow *window = m_window->getWindow();
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// Get the widget control associated with the NXTK window
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NXWidgets::CWidgetControl *control = window->getWidgetControl();
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// Get the bitmap icon that goes with this application
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NXWidgets::IBitmap *bitmap = app->getIcon();
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// Create a CImage instance to manage the application icon
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NXWidgets::CImage *image =
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new NXWidgets::CImage(control, 0, 0, bitmap->getWidth(),
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bitmap->getHeight(), bitmap, 0);
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if (!image)
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{
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return false;
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}
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// Configure the image, disabling drawing for now
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image->setBorderless(true);
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image->disableDrawing();
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// Register to get events from the mouse clicks on the image
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image->addWidgetEventHandler(this);
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// Add the application to end of the list of applications managed by
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// the start window
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struct SStartWindowSlot slot;
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slot.app = app;
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slot.image = image;
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m_slots.push_back(slot);
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// Re-calculate the icon bounding box
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getIconBounds();
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return true;
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}
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/**
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* Called when the window minimize button is pressed.
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*/
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void CStartWindow::minimize(void)
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{
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m_taskbar->minimizeApplication(static_cast<IApplication*>(this));
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}
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/**
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* Called when the window minimize close is pressed.
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*/
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void CStartWindow::close(void)
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{
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m_taskbar->stopApplication(static_cast<IApplication*>(this));
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}
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/**
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* Calculate the icon bounding box
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*/
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void CStartWindow::getIconBounds(void)
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{
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// Visit each icon
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struct nxgl_size_s maxSize;
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maxSize.w = 0;
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maxSize.h = 0;
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for (int i = 0; i < m_slots.size(); i++)
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{
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// Get the icon associated with this application
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NXWidgets::CImage *image = m_slots.at(i).image;
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// Get the size of the icon image
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NXWidgets::CRect rect;
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image->getPreferredDimensions(rect);
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// Keep the maximum height and width
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if (rect.getWidth() > maxSize.h)
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{
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maxSize.w = rect.getWidth() ;
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}
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if (rect.getHeight() > maxSize.h)
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{
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maxSize.h = rect.getHeight();
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}
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}
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// And save the new maximum size
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m_iconSize.w = maxSize.w;
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m_iconSize.h = maxSize.h;
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}
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/**
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* Stop all applications
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*/
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void CStartWindow::stopAllApplications(void)
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{
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// Stop all applications and remove them from the task bar. Clearly, there
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// are some ordering issues here... On an orderly system shutdown, disconnection
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// should really occur priority to deleting instances
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while (!m_slots.empty())
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{
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// Stop the application (and remove it from the task bar)
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IApplication *app = m_slots.at(0).app;
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m_taskbar->stopApplication(app);
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// Now, delete the image and the application
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delete app;
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delete m_slots.at(0).image;
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// And discard the data in this slot
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m_slots.erase(0);
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}
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}
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/**
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* Handle a mouse button click event.
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*
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* @param e The event data.
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*/
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void CStartWindow::handleClickEvent(const NXWidgets::CWidgetEventArgs &e)
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{
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// icon was clicked?
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for (int i = 0; i < m_slots.size(); i++)
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{
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// Is this the clicked icon?
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NXWidgets::CImage *image = m_slots.at(i).image;
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if (image->isClicked())
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{
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// Start a new copy of the application
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m_taskbar->startApplication(m_slots.at(i).app, false);
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// Then break out of the loop
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break;
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}
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}
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}
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