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nuttx-bb/NxWidgets/nxwm/src/ctaskbar.cxx

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/********************************************************************************************
* NxWidgets/nxwm/src/ctaskbar.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/nx/nxglib.h>
#include "crect.hxx"
#include "cwidgetcontrol.hxx"
#include "cnxtkwindow.hxx"
#include "nxwmconfig.hxx"
#include "nxwmglyphs.hxx"
#include "ctaskbar.hxx"
/********************************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
/********************************************************************************************
* CNxConsole Method Implementations
********************************************************************************************/
using namespace NxWM;
/**
* CTaskbar Constructor
*
* @param hWnd - NX server handle
*/
CTaskbar::CTaskbar(void)
{
m_taskbar = (NXWidgets::CNxWindow *)0;
m_background = (NXWidgets::CNxWindow *)0;
m_backImage = (NXWidgets::CImage *)0;
m_topApp = (IApplication *)0;
m_started = false;
}
/**
* CTaskbar Destructor
*/
CTaskbar::~CTaskbar(void)
{
disconnect();
}
/**
* Connect to the server
*/
bool CTaskbar::connect(void)
{
// Connect to the server
bool nxConnected = CNxServer::connect();
if (nxConnected)
{
// Set the background color
if (!setBackgroundColor(CONFIG_NXWM_DEFAULT_BACKGROUNDCOLOR))
{
// Failed
}
}
return nxConnected;
}
/**
* Disconnect from the server
*/
void CTaskbar::disconnect(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())
{
IApplication *app = m_slots.at(0).app;
stopApplication(app);
}
// Close the windows
NXWidgets::CWidgetControl *control;
if (m_taskbar)
{
// Delete the contained widget control. We are responsible for it
// because we created it
control = m_taskbar->getWidgetControl();
if (control)
{
delete control;
}
// Then delete the task bar window
delete m_taskbar;
}
if (m_background)
{
// Delete the contained widget control. We are responsible for it
// because we created it
control = m_background->getWidgetControl();
if (control)
{
delete control;
}
// Then delete the background
delete m_background;
}
// And disconnect from the server
CNxServer::disconnect();
}
/**
* Initialize task bar. Task bar initialization is separate from
* object instantiation so that failures can be reported. The window
* manager start-up sequence is:
*
* 1. Create the CTaskbar instance,
* 2. Call the CTaskbar::connect() method to connect to the NX server (CTaskbar
* inherits the connect method from CNxServer),
* 3. Call the CTaskbar::initWindowManager() method to initialize the task bar.
* 4. Call CTaskBar::startApplication repeatedly to add applications to the task bar
* 5. Call CTaskBar::startWindowManager to start the display with applications in place
*
* CTaskbar::initWindowManager() prepares the task bar to receive applications.
* CTaskBar::startWindowManager() brings the window manager up with those applications
* in place.
*
* @return True if the window was successfully initialized.
*/
bool CTaskbar::initWindowManager(void)
{
// Create the taskbar window
if (!createTaskbarWindow())
{
return false;
}
// Create the background window
if (!createBackgroundWindow())
{
return false;
}
// Create the background image
if (!createBackgroundImage())
{
return false;
}
return true;
}
/**
* Start the window manager and present the initial displays. The window
* manager start-up sequence is:
*
* 1. Create the CTaskbar instance,
* 2. Call startApplication repeatedly to add applications to the task bar
* 3. Call startWindowManager to start the display with applications in place
*
* CTaskbar::initWindowManager() prepares the task bar to receive applications.
* CTaskBar::startWindowManager() brings the window manager up with those applications
* in place.
*
* startWindowManager will present the task bar and the background image. The
* initial taskbar will contain only the start window icon.
*
* @return true on success
*/
bool CTaskbar::startWindowManager(void)
{
// Have we already been started
if (!m_started)
{
// We are now started
m_started = true;
// Draw the taskbar
if (!redrawTaskbarWindow())
{
return false;
}
// Draw the top application window
return redrawTopWindow();
}
return false;
}
/**
* Create an application window. Creating a new application in the start
* window requires three steps:
*
* 1. Call CTaskBar::openApplicationWindow to create a window for the application,
* 2. Instantiate the application, providing the window to the application's
* constructor,
* 3. Then call CStartWindow::addApplication to add the application to the start window.
*
* When the application is selected from the start window:
*
* 4. Call CTaskBar::startApplication start the application and bring its window to
* the top.
*/
CApplicationWindow *CTaskbar::openApplicationWindow(void)
{
// Create a framed window for the application
NXWidgets::CNxTkWindow *window = openFramedWindow();
if (!window)
{
return (CApplicationWindow *)0;
}
// Set size and position of a window in the application area.
setApplicationGeometry(window);
// Use this window to instantiate the application window
CApplicationWindow *appwindow = new CApplicationWindow(window);
if (!appwindow)
{
delete window;
}
return appwindow;
}
/**
* Start an application and add its icon to the taskbar. The applications's
* window is brought to the top. Creating a new application in the start
* window requires three steps:
*
* 1. Create the CTaskbar instance,
* 2. Call startApplication repeatedly to add applications to the task bar
* 3. Call startWindowManager to start the display with applications in place
*
* When the application is selected from the start window:
*
* 4. Call startApplication start the application and bring its window to
* the top.
*
* @param app. The new application to add to the task bar
* @param minimized. The new application starts in the minimized state
* @return true on success
*/
bool CTaskbar::startApplication(IApplication *app, bool minimized)
{
// Get the widget control associated with the task bar window
NXWidgets::CWidgetControl *control = m_taskbar->getWidgetControl();
// Get the bitmap icon that goes with this application
NXWidgets::IBitmap *bitmap = app->getIcon();
// Create a CImage instance to manage the applications 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();
image->setRaisesEvents(false);
// 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 task bar
struct STaskbarSlot slot;
slot.app = app;
slot.image = image;
m_slots.push_back(slot);
// Start the application (whatever that means).
if (!app->run())
{
stopApplication(app);
image->disable();
return false;
}
// Has the window manager been started? Or were we ask to start
// the application minimized?
if (minimized || !m_started)
{
// Bring the application up in the minimized state
hideApplicationWindow(app);
}
else
{
// Bring up the application as the new top application
app->setTopApplication(false);
app->setMinimized(false);
topApplication(app);
}
// Redraw the task bar with the new icon (if we have been started)
if (m_started)
{
redrawTaskbarWindow();
}
return true;
}
/**
* Move window to the top of the hierarchy and re-draw it. This method
* does nothing if the application is minimized.
*
* @param app. The new application to show
* @return true on success
*/
bool CTaskbar::topApplication(IApplication *app)
{
// Verify that the application is not minimized and is not already the top application
if (!app->isMinimized() && !app->isTopApplication())
{
// It is not minimized. We are going to bring it to the top of the display.
// Is there already a top application?
if (m_topApp)
{
// Yes.. then disable it
hideApplicationWindow(m_topApp);
}
// Make the application the top application and redraw it
return redrawApplicationWindow(app);
}
return false;
}
/**
* Maximize an application by moving its window to the top of the hierarchy
* and re-drawing it. If the application was already maximized, then this
* method is equivalent to topApplication().
*
* @param app. The new application to add to the task bar
* @return true on success
*/
bool CTaskbar::maximizeApplication(IApplication *app)
{
// Mark that the application is no longer minimized
app->setMinimized(false);
// Then bring the application to the top of the hierarchy
return topApplication(app);
}
/**
* Minimize an application by moving its window to the bottom of the and
* redrawing the next visible appliation.
*
* @param app. The new application to add to the task bar
* @return true on success
*/
bool CTaskbar::minimizeApplication(IApplication *app)
{
// Verify that the application is not already minimized
if (!app->isMinimized())
{
// No, then we are going to minimize it but disabling its components,
// marking it as minized, then raising a new window to the top window.
hideApplicationWindow(app);
// Re-draw the new top, non-minimized application
return redrawTopWindow();
}
return false;
}
/**
* Destroy an application. Move its window to the bottom and remove its
* icon from the task bar.
*
* @param app. The new application to remove from the task bar
* @return true on success
*/
bool CTaskbar::stopApplication(IApplication *app)
{
// First, minimize the application. That will move the application
// to the bottom of the hiearachy and redraw the next application
// (If the application is already minimized, it does nothing)
minimizeApplication(app);
// Stop the application
app->stop();
// Find the application in the list of applications
for (int i = 0; i < m_slots.size(); i++)
{
// Is this it?
IApplication *candidate = m_slots.at(i).app;
if (candidate == app)
{
// Yes.. found it. Delete the icon image and remove it
// from the list of applications
delete m_slots.at(i).image;
m_slots.erase(i);
break;
}
}
// And redraw the task bar (without the icon for this task)
return redrawTaskbarWindow();
}
/**
* Create a raw 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
*/
NXWidgets::CNxWindow *CTaskbar::openRawWindow(void)
{
// Initialize the widget control using the default style
NXWidgets::CWidgetControl *widgetControl = new NXWidgets::CWidgetControl((NXWidgets::CWidgetStyle *)NULL);
// Get an (uninitialized) instance of the background window as a class
// that derives from INxWindow.
NXWidgets::CNxWindow *window = createRawWindow(widgetControl);
if (!window)
{
delete widgetControl;
return false;
}
// Open (and initialize) the window
bool success = window->open();
if (!success)
{
delete window;
window = (NXWidgets::CNxWindow *)0;
return false;
}
return window;
}
/**
* Create a framed application window
*
* This may be used to provide the window parater to the IApplication constructor
*
* @return A partially initialized application window instance.
*/
NXWidgets::CNxTkWindow *CTaskbar::openFramedWindow(void)
{
// Initialize the widget control using the default style
NXWidgets::CWidgetControl *widgetControl = new NXWidgets::CWidgetControl((NXWidgets::CWidgetStyle *)NULL);
// Get an (uninitialized) instance of the background window as a class
// that derives from INxWindow.
NXWidgets::CNxTkWindow *window = createFramedWindow(widgetControl);
if (!window)
{
delete widgetControl;
return false;
}
// Open (and initialize) the window
bool success = window->open();
if (!success)
{
delete window;
window = (NXWidgets::CNxTkWindow *)0;
return false;
}
return window;
}
/**
* Set size and position of a window in the application area.
*
* @param window. The window to be resized and repositioned
*
* @return true on success
*/
void CTaskbar::setApplicationGeometry(NXWidgets::INxWindow *window)
{
// Get the widget control from the task bar window. The physical window geometry
// should be the same for all windows.
NXWidgets::CWidgetControl *control = m_taskbar->getWidgetControl();
// Get the size of the window from the widget control
NXWidgets::CRect rect = control->getWindowBoundingBox();
// Now position and size the application. This will depend on the position and
// orientation of the task bar.
struct nxgl_point_s pos;
struct nxgl_size_s size;
#if defined(CONFIG_NXWM_TASKBAR_TOP)
pos.x = 0;
pos.y = CONFIG_NXWM_TASKBAR_WIDTH;
size.w = rect.getWidth();
size.h = rect.getWidth() - CONFIG_NXWM_TASKBAR_WIDTH;
#elif defined(CONFIG_NXWM_TASKBAR_BOTTOM)
pos.x = 0;
pos.y = 0;
size.w = rect.getWidth();
size.h = rect.getWidth() - CONFIG_NXWM_TASKBAR_WIDTH;
#elif defined(CONFIG_NXWM_TASKBAR_LEFT)
pos.x = CONFIG_NXWM_TASKBAR_WIDTH;
pos.y = 0;
size.w = rect.getWidth() - CONFIG_NXWM_TASKBAR_WIDTH;
size.h = rect.getHeight();
#else
pos.x = 0;
pos.y = 0;
size.w = rect.getWidth() - CONFIG_NXWM_TASKBAR_WIDTH;
size.h = rect.getHeight();
#endif
/* Set the size and position the window.
*
* @param pPos The new position of the window.
* @return True on success, false on failure.
*/
window->setPosition(&pos);
window->setSize(&size);
}
/**
* Create the task bar window.
*
* @return true on success
*/
bool CTaskbar::createTaskbarWindow(void)
{
// Create a raw window to present the task bar
m_taskbar = openRawWindow();
if (!m_taskbar)
{
return false;
}
// Get the contained widget control
NXWidgets::CWidgetControl *control = m_taskbar->getWidgetControl();
// Get the size of the window from the widget control
NXWidgets::CRect rect = control->getWindowBoundingBox();
// Now position and size the task bar. This will depend on the position and
// orientation of the task bar.
struct nxgl_point_s pos;
struct nxgl_size_s size;
#if defined(CONFIG_NXWM_TASKBAR_TOP)
pos.x = 0;
pos.y = 0;
size.w = rect.getWidth();
size.h = CONFIG_NXWM_TASKBAR_WIDTH;
#elif defined(CONFIG_NXWM_TASKBAR_BOTTOM)
pos.x = 0;
pos.y = rect.getHeight() - CONFIG_NXWM_TASKBAR_WIDTH;
size.w = rect.getWidth();
size.h = CONFIG_NXWM_TASKBAR_WIDTH;
#elif defined(CONFIG_NXWM_TASKBAR_LEFT)
pos.x = 0;
pos.y = 0;
size.w = CONFIG_NXWM_TASKBAR_WIDTH;
size.h = rect.getHeight();
#else
pos.x = rect.getWidgth() - CONFIG_NXWM_TASKBAR_WIDTH;
pos.y = 0;
size.w = CONFIG_NXWM_TASKBAR_WIDTH;
size.h = rect.getHeight();
#endif
/* Set the size and position the window.
*
* @param pPos The new position of the window.
* @return True on success, false on failure.
*/
m_taskbar->setPosition(&pos);
m_taskbar->setSize(&size);
return true;
}
/**
* Create the background window.
*
* @return true on success
*/
bool CTaskbar::createBackgroundWindow(void)
{
// Create a raw window to present the background image
m_background = openRawWindow();
if (!m_background)
{
return false;
}
// Set the geometry to fit in the application window space
setApplicationGeometry(static_cast<NXWidgets::INxWindow*>(m_background));
return true;
}
/**
* Create the background image.
*
* @return true on success
*/
bool CTaskbar::createBackgroundImage(void)
{
// Get the size of the display
struct nxgl_size_s windowSize;
if (!m_background->getSize(&windowSize))
{
return false;
}
// Get the widget control from the background window
NXWidgets::CWidgetControl *control = m_background->getWidgetControl();
// Create the bitmap object
NXWidgets::CRlePaletteBitmap *bitmap =
new NXWidgets::CRlePaletteBitmap(&CONFIG_NXWM_BACKGROUND_IMAGE);
if (!bitmap)
{
return false;
}
// Get the size of the bitmap image
struct nxgl_size_s imageSize;
imageSize.w = bitmap->getWidth();
imageSize.h = (nxgl_coord_t)bitmap->getHeight();
// Pick an X/Y position such that the image will be centered in the display
struct nxgl_point_s imagePos;
if (imageSize.w >= windowSize.w)
{
imagePos.x = 0;
}
else
{
imagePos.x = (windowSize.w - imageSize.w) >> 1;
}
if (imageSize.h >= windowSize.h)
{
imagePos.y = 0;
}
else
{
imagePos.y = (windowSize.h - imageSize.h) >> 1;
}
// Now we have enough information to create the image
m_backImage = new NXWidgets::CImage(control, imagePos.x, imagePos.y,
imageSize.w, imageSize.h, bitmap);
if (!m_backImage)
{
delete bitmap;
return false;
}
// Configure the background image
m_backImage->setBorderless(true);
m_backImage->setRaisesEvents(false);
return true;
}
/**
* (Re-)draw the task bar window.
*
* @return true on success
*/
bool CTaskbar::redrawTaskbarWindow(void)
{
// Get the widget control from the task bar
NXWidgets::CWidgetControl *control = m_taskbar->getWidgetControl();
// Get the graphics port for drawing on the background window
NXWidgets::CGraphicsPort *port = control->getGraphicsPort();
// Get the size of the window
struct nxgl_size_s windowSize;
if (!m_taskbar->getSize(&windowSize))
{
return false;
}
// Fill the entire window with the background color
port->drawFilledRect(0, 0, windowSize.w, windowSize.h,
CONFIG_NXWM_DEFAULT_BACKGROUNDCOLOR);
// Add a border to the task bar to delineate it from the background window
port->drawBevelledRect(0, 0, windowSize.w, windowSize.h,
CONFIG_NXWM_DEFAULT_SHINEEDGECOLOR,
CONFIG_NXWM_DEFAULT_SHADOWEDGECOLOR);
// Begin adding icons in the upper left corner
struct nxgl_point_s taskbarPos;
#if defined(CONFIG_NXWM_TASKBAR_TOP) || defined(CONFIG_NXWM_TASKBAR_BOTTOM)
taskbarPos.x = CONFIG_NXWM_TASKBAR_HSPACING;
taskbarPos.y = 0;
#else
taskbarPos.x = 0;
taskbarPos.y = CONFIG_NXWM_TASKBAR_VSPACING;
#endif
// 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);
// Position the icon
struct nxgl_point_s iconPos;
#if defined(CONFIG_NXWM_TASKBAR_TOP) || defined(CONFIG_NXWM_TASKBAR_BOTTOM)
// For horizontal task bars, the icons will be aligned at the top of
// the task bar
iconPos.x = taskbarPos.x;
iconPos.y = taskbarPos.y + CONFIG_NXWM_TASKBAR_VSPACING;
#else
// For vertical task bars, the icons will be centered horizontally
iconPos.x = (windowSize.w - rect.getWidth()) >> 1;
iconPos.y = taskbarPos.y;
#endif
// Set the position of the icon bitmap
(void)image->moveTo(iconPos.x, iconPos.y);
// Then re-draw the icon at the new position
image->enableDrawing();
image->redraw();
image->setRaisesEvents(true);
// Do we add icons left-to-right? Or top-to-bottom?
#if defined(CONFIG_NXWM_TASKBAR_TOP) || defined(CONFIG_NXWM_TASKBAR_BOTTOM)
// left-to-right ... increment the X display position
taskbarPos.x += rect.getWidth() + CONFIG_NXWM_TASKBAR_HSPACING;
if (taskbarPos.x > windowSize.w)
{
break;
}
#else
// top-to-bottom ... increment the Y display position
taskbarPos.y += rect.getHeight() + CONFIG_NXWM_TASKBAR_VSPACING;
if (taskbarPos.y > windowSize.h)
{
break;
}
#endif
}
return true;
}
/**
* Redraw the window at the top of the heirarchy.
*
* @return true on success
*/
bool CTaskbar::redrawTopWindow(void)
{
// Check if there is already a top application
IApplication *app = m_topApp;
if (!app)
{
// No.. Search for that last, non-minimized application
for (int i = m_slots.size() - 1; i >= 0; i--)
{
IApplication *candidate = m_slots.at(i).app;
if (!candidate->isMinimized())
{
app = candidate;
break;
}
}
}
// Did we find one?
if (app)
{
// Yes.. make it the top application window and redraw it
return redrawApplicationWindow(app);
return true;
}
else
{
// Otherwise, there is no top application. Re-draw the background image.
m_topApp = (IApplication *)0;
return redrawBackgroundWindow();
}
}
/**
* (Re-)draw the background window.
*
* @return true on success
*/
bool CTaskbar::redrawBackgroundWindow(void)
{
// Get the widget control from the background window
NXWidgets::CWidgetControl *control = m_background->getWidgetControl();
// Get the graphics port for drawing on the background window
NXWidgets::CGraphicsPort *port = control->getGraphicsPort();
// Get the size of the window
struct nxgl_size_s windowSize;
if (!m_background->getSize(&windowSize))
{
return false;
}
// Raise the background window to the top of the hierarchy
m_background->raise();
// Fill the entire window with the background color
port->drawFilledRect(0, 0, windowSize.w, windowSize.h,
CONFIG_NXWM_DEFAULT_BACKGROUNDCOLOR);
// Add a border to the task bar to delineate it from the task bar
port->drawBevelledRect(0, 0, windowSize.w, windowSize.h,
CONFIG_NXWM_DEFAULT_SHINEEDGECOLOR,
CONFIG_NXWM_DEFAULT_SHADOWEDGECOLOR);
// Then re-draw the background image on the window
m_backImage->enableDrawing();
m_backImage->redraw();
return true;
}
/**
* Redraw the last application in the list of application maintained by
* the task bar.
*
* @param app. The new top application to draw
* @return true on success
*/
bool CTaskbar::redrawApplicationWindow(IApplication *app)
{
// Mark the window as the top application
m_topApp = app;
app->setTopApplication(true);
// Disable drawing of the background image.
m_backImage->disableDrawing();
// Every application provides a method to obtain its application window
CApplicationWindow *appWindow = app->getWindow();
// Each application window provides a method to get the underlying NX window
NXWidgets::CNxTkWindow *window = appWindow->getWindow();
// Raise the application window to the top of the hierarchy
window->raise();
// Re-draw the application window toolbar
appWindow->redraw();
// And re-draw the application window itself
app->redraw();
return true;
}
/**
* The application window is hidden (either it is minimized or it is
* maximized, but not at the top of the hierarchy)
*
* @param app. The application to hide
*/
void CTaskbar::hideApplicationWindow(IApplication *app)
{
// The hidden window is certainly not the top application any longer
// If it was before then redrawTopWindow() will pick a new one (rather
// arbitrarily).
if (app->isTopApplication())
{
m_topApp = (IApplication *)0;
app->setTopApplication(false);
}
// Make sure that the application is marked as minimized.
app->setMinimized(true);
// We do not need to lower the application to the back.. the new top
// window will be raised instead.
//
// So all that we really have to do is to make sure that all of the
// components of the hidden window are inactive.
// Every application provides a method to obtain its application window
CApplicationWindow *appWindow = app->getWindow();
// Hide the application window toolbar
appWindow->hide();
// The hide the application window itself
app->hide();
}
/**
* Handle a mouse button click event.
*
* @param e The event data.
*/
void CTaskbar::handleClickEvent(const NXWidgets::CWidgetEventArgs &e)
{
// icon was clicked?
for (int i = 0; i < m_slots.size(); i++)
{
// Is this it?
NXWidgets::CImage *image = m_slots.at(i).image;
if (image->isClicked())
{
// Was the icon minimized
IApplication *app = m_slots.at(i).app;
if (app->isMinimized())
{
// Maximize the application by moving its window to the top of
// the hierarchy and re-drawing it.
(void)maximizeApplication(app);
}
// No, it is not minimized. Is it already the top application?
else if (!app->isTopApplication())
{
/* Move window to the top of the hierarchy and re-draw it. */
(void)topApplication(app);
}
// Then break out of the loop
break;
}
}
}
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