13633248611

Committed 03 Mar 2025 02:31PM UTC coverage: 31.871% (+0.4%) from 31.5%

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50.4

/ui/src/virtualconsole/virtualconsole.cpp

/*
  Q Light Controller Plus
  virtualconsole.cpp

  Copyright (c) Heikki Junnila
                Massimo Callegari

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0.txt

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/

#include <QXmlStreamReader>
#include <QXmlStreamWriter>
#include <QApplication>
#include <QInputDialog>
#include <QColorDialog>
#include <QActionGroup>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QMessageBox>
#include <QFileDialog>
#include <QFontDialog>
#include <QScrollArea>
#include <QSettings>
#include <QKeyEvent>
#include <QMenuBar>
#include <QToolBar>
#include <QString>
#include <QDebug>
#include <QMenu>
#include <QList>

#include "vcpropertieseditor.h"
#include "addvcbuttonmatrix.h"
#include "addvcslidermatrix.h"
#include "vcaudiotriggers.h"
#include "virtualconsole.h"
#include "vcproperties.h"
#include "vcspeeddial.h"
#include "vcsoloframe.h"
#include "vcdockarea.h"
#include "vccuelist.h"
#include "vcbutton.h"
#include "vcslider.h"
#include "vcmatrix.h"
#include "vcframe.h"
#include "vclabel.h"
#include "vcxypad.h"
#include "vcclock.h"
#include "functionwizard.h"
#include "doc.h"

#define SETTINGS_VC_SIZE "virtualconsole/size"

VirtualConsole* VirtualConsole::s_instance = NULL;

/****************************************************************************
 * Initialization
 ****************************************************************************/

VirtualConsole::VirtualConsole(QWidget* parent, Doc* doc)
    : QWidget(parent)
    , m_doc(doc)
    , m_latestWidgetId(0)

    , m_editAction(EditNone)
    , m_toolbar(NULL)

    , m_addActionGroup(NULL)
    , m_editActionGroup(NULL)
    , m_bgActionGroup(NULL)
    , m_fgActionGroup(NULL)
    , m_fontActionGroup(NULL)
    , m_frameActionGroup(NULL)
    , m_stackingActionGroup(NULL)

    , m_addButtonAction(NULL)
    , m_addButtonMatrixAction(NULL)
    , m_addSliderAction(NULL)
    , m_addSliderMatrixAction(NULL)
    , m_addKnobAction(NULL)
    , m_addSpeedDialAction(NULL)
    , m_addXYPadAction(NULL)
    , m_addCueListAction(NULL)
    , m_addFrameAction(NULL)
    , m_addSoloFrameAction(NULL)
    , m_addLabelAction(NULL)
    , m_addAudioTriggersAction(NULL)
    , m_addClockAction(NULL)
    , m_addAnimationAction(NULL)

    , m_toolsSettingsAction(NULL)
    , m_functionWizardAction(NULL)

    , m_editCutAction(NULL)
    , m_editCopyAction(NULL)
    , m_editPasteAction(NULL)
    , m_editDeleteAction(NULL)
    , m_editPropertiesAction(NULL)
    , m_editRenameAction(NULL)

    , m_bgColorAction(NULL)
    , m_bgImageAction(NULL)
    , m_bgDefaultAction(NULL)

    , m_fgColorAction(NULL)
    , m_fgDefaultAction(NULL)

    , m_fontAction(NULL)
    , m_resetFontAction(NULL)

    , m_frameSunkenAction(NULL)
    , m_frameRaisedAction(NULL)
    , m_frameNoneAction(NULL)

    , m_stackingRaiseAction(NULL)
    , m_stackingLowerAction(NULL)

    , m_customMenu(NULL)
    , m_editMenu(NULL)
    , m_addMenu(NULL)

    , m_dockArea(NULL)
    , m_contentsLayout(NULL)
    , m_scrollArea(NULL)
    , m_contents(NULL)

    , m_liveEdit(false)
{
    Q_ASSERT(s_instance == NULL);
    s_instance = this;

    Q_ASSERT(doc != NULL);

    /* Main layout */
    new QHBoxLayout(this);
    layout()->setContentsMargins(1, 1, 1, 1);
    layout()->setSpacing(1);

    initActions();
    initDockArea();
    m_contentsLayout = new QVBoxLayout;
    layout()->addItem(m_contentsLayout);
    initMenuBar();
    initContents();

    // Propagate mode changes to all widgets
    connect(m_doc, SIGNAL(modeChanged(Doc::Mode)),
            this, SLOT(slotModeChanged(Doc::Mode)));

    // Use the initial mode
    slotModeChanged(m_doc->mode());

    // Nothing is selected
    updateActions();
}

VirtualConsole::~VirtualConsole()
{
    s_instance = NULL;
}

VirtualConsole* VirtualConsole::instance()
{
    return s_instance;
}

Doc *VirtualConsole::getDoc()
{
    return m_doc;
}

quint32 VirtualConsole::newWidgetId()
{
    /* This results in an endless loop if there are UINT_MAX-1 widgets. That,
       however, seems a bit unlikely. */
    while (m_widgetsMap.contains(m_latestWidgetId) ||
           m_latestWidgetId == VCWidget::invalidId())
    {
        m_latestWidgetId++;
    }

    return m_latestWidgetId;
}

/*****************************************************************************
 * Properties
 *****************************************************************************/

VCProperties VirtualConsole::properties() const
{
    return m_properties;
}

/*****************************************************************************
 * Selected widget
 *****************************************************************************/

void VirtualConsole::setEditAction(VirtualConsole::EditAction action)
{
    m_editAction = action;
}

VirtualConsole::EditAction VirtualConsole::editAction() const
{
    return m_editAction;
}

const QList <VCWidget*> VirtualConsole::selectedWidgets() const
{
    return m_selectedWidgets;
}

void VirtualConsole::setWidgetSelected(VCWidget* widget, bool select)
{
    Q_ASSERT(widget != NULL);

    if (select == false)
    {
        m_selectedWidgets.removeAll(widget);
        widget->update();
    }
    else if (select == true && m_selectedWidgets.indexOf(widget) == -1)
    {
        m_selectedWidgets.append(widget);
        widget->update();
    }

    /* Change the custom menu to the latest-selected widget's menu */
    updateCustomMenu();

    /* Enable or disable actions */
    updateActions();
}

bool VirtualConsole::isWidgetSelected(VCWidget* widget) const
{
    if (widget == NULL || m_selectedWidgets.indexOf(widget) == -1)
        return false;
    else
        return true;
}

void VirtualConsole::clearWidgetSelection()
{
    /* Get a copy of selected widget list */
    QList <VCWidget*> widgets(m_selectedWidgets);

    /* Clear the list so isWidgetSelected() returns false for all widgets */
    m_selectedWidgets.clear();

    /* Update all widgets to clear the selection frame around them */
    QListIterator <VCWidget*> it(widgets);
    while (it.hasNext() == true)
        it.next()->update();

    /* Change the custom menu to the latest-selected widget's menu */
    updateCustomMenu();

    /* Enable or disable actions */
    updateActions();
}

void VirtualConsole::reselectWidgets()
{
    QList <VCWidget*> widgets(m_selectedWidgets);
    clearWidgetSelection();
    foreach (VCWidget* w, widgets)
        setWidgetSelected(w, true);
}

/*****************************************************************************
 * Actions, menu- and toolbar
 *****************************************************************************/

QMenu* VirtualConsole::customMenu() const
{
    return m_customMenu;
}

QMenu* VirtualConsole::editMenu() const
{
    return m_editMenu;
}

QMenu* VirtualConsole::addMenu() const
{
    return m_addMenu;
}

void VirtualConsole::initActions()
{
    /* Add menu actions */
    m_addButtonAction = new QAction(QIcon(":/button.png"), tr("New Button"), this);
    connect(m_addButtonAction, SIGNAL(triggered(bool)), this, SLOT(slotAddButton()), Qt::QueuedConnection);

    m_addButtonMatrixAction = new QAction(QIcon(":/buttonmatrix.png"), tr("New Button Matrix"), this);
    connect(m_addButtonMatrixAction, SIGNAL(triggered(bool)), this, SLOT(slotAddButtonMatrix()), Qt::QueuedConnection);

    m_addSliderAction = new QAction(QIcon(":/slider.png"), tr("New Slider"), this);
    connect(m_addSliderAction, SIGNAL(triggered(bool)), this, SLOT(slotAddSlider()), Qt::QueuedConnection);

    m_addSliderMatrixAction = new QAction(QIcon(":/slidermatrix.png"), tr("New Slider Matrix"), this);
    connect(m_addSliderMatrixAction, SIGNAL(triggered(bool)), this, SLOT(slotAddSliderMatrix()), Qt::QueuedConnection);

    m_addKnobAction = new QAction(QIcon(":/knob.png"), tr("New Knob"), this);
    connect(m_addKnobAction, SIGNAL(triggered(bool)), this, SLOT(slotAddKnob()), Qt::QueuedConnection);

    m_addSpeedDialAction = new QAction(QIcon(":/speed.png"), tr("New Speed Dial"), this);
    connect(m_addSpeedDialAction, SIGNAL(triggered(bool)), this, SLOT(slotAddSpeedDial()), Qt::QueuedConnection);

    m_addXYPadAction = new QAction(QIcon(":/xypad.png"), tr("New XY pad"), this);
    connect(m_addXYPadAction, SIGNAL(triggered(bool)), this, SLOT(slotAddXYPad()), Qt::QueuedConnection);

    m_addCueListAction = new QAction(QIcon(":/cuelist.png"), tr("New Cue list"), this);
    connect(m_addCueListAction, SIGNAL(triggered(bool)), this, SLOT(slotAddCueList()), Qt::QueuedConnection);

    m_addFrameAction = new QAction(QIcon(":/frame.png"), tr("New Frame"), this);
    connect(m_addFrameAction, SIGNAL(triggered(bool)), this, SLOT(slotAddFrame()), Qt::QueuedConnection);

    m_addSoloFrameAction = new QAction(QIcon(":/soloframe.png"), tr("New Solo frame"), this);
    connect(m_addSoloFrameAction, SIGNAL(triggered(bool)), this, SLOT(slotAddSoloFrame()), Qt::QueuedConnection);

    m_addLabelAction = new QAction(QIcon(":/label.png"), tr("New Label"), this);
    connect(m_addLabelAction, SIGNAL(triggered(bool)), this, SLOT(slotAddLabel()), Qt::QueuedConnection);

    m_addAudioTriggersAction = new QAction(QIcon(":/audioinput.png"), tr("New Audio Triggers"), this);
    connect(m_addAudioTriggersAction, SIGNAL(triggered(bool)), this, SLOT(slotAddAudioTriggers()), Qt::QueuedConnection);

    m_addClockAction = new QAction(QIcon(":/clock.png"), tr("New Clock"), this);
    connect(m_addClockAction, SIGNAL(triggered(bool)), this, SLOT(slotAddClock()), Qt::QueuedConnection);

    m_addAnimationAction = new QAction(QIcon(":/animation.png"), tr("New Animation"), this);
    connect(m_addAnimationAction, SIGNAL(triggered(bool)), this, SLOT(slotAddAnimation()), Qt::QueuedConnection);

    /* Put add actions under the same group */
    m_addActionGroup = new QActionGroup(this);
    m_addActionGroup->setExclusive(false);
    m_addActionGroup->addAction(m_addButtonAction);
    m_addActionGroup->addAction(m_addButtonMatrixAction);
    m_addActionGroup->addAction(m_addSliderAction);
    m_addActionGroup->addAction(m_addSliderMatrixAction);
    m_addActionGroup->addAction(m_addKnobAction);
    m_addActionGroup->addAction(m_addSpeedDialAction);
    m_addActionGroup->addAction(m_addXYPadAction);
    m_addActionGroup->addAction(m_addCueListAction);
    m_addActionGroup->addAction(m_addFrameAction);
    m_addActionGroup->addAction(m_addSoloFrameAction);
    m_addActionGroup->addAction(m_addLabelAction);
    m_addActionGroup->addAction(m_addAudioTriggersAction);
    m_addActionGroup->addAction(m_addClockAction);
    m_addActionGroup->addAction(m_addAnimationAction);

    /* Tools menu actions */
    m_toolsSettingsAction = new QAction(QIcon(":/configure.png"), tr("Virtual Console Settings"), this);
    connect(m_toolsSettingsAction, SIGNAL(triggered(bool)), this, SLOT(slotToolsSettings()));
    // Prevent this action from ending up to the application menu on OSX
    // and crashing the app after VC window is closed.
    m_toolsSettingsAction->setMenuRole(QAction::NoRole);

    m_functionWizardAction = new QAction(QIcon(":/wizard.png"), tr("VC Fixture Widget Wizard"), this);
    connect(m_functionWizardAction, SIGNAL(triggered(bool)), this, SLOT(slotWizard()));

    /* Edit menu actions */
    m_editCutAction = new QAction(QIcon(":/editcut.png"), tr("Cut"), this);
    connect(m_editCutAction, SIGNAL(triggered(bool)), this, SLOT(slotEditCut()));

    m_editCopyAction = new QAction(QIcon(":/editcopy.png"), tr("Copy"), this);
    connect(m_editCopyAction, SIGNAL(triggered(bool)), this, SLOT(slotEditCopy()));

    m_editPasteAction = new QAction(QIcon(":/editpaste.png"), tr("Paste"), this);
    m_editPasteAction->setEnabled(false);
    connect(m_editPasteAction, SIGNAL(triggered(bool)), this, SLOT(slotEditPaste()));

    m_editDeleteAction = new QAction(QIcon(":/editdelete.png"), tr("Delete"), this);
    connect(m_editDeleteAction, SIGNAL(triggered(bool)), this, SLOT(slotEditDelete()));

    m_editPropertiesAction = new QAction(QIcon(":/edit.png"), tr("Widget Properties"), this);
    connect(m_editPropertiesAction, SIGNAL(triggered(bool)), this, SLOT(slotEditProperties()));

    m_editRenameAction = new QAction(QIcon(":/editclear.png"), tr("Rename Widget"), this);
    connect(m_editRenameAction, SIGNAL(triggered(bool)), this, SLOT(slotEditRename()));

    /* Put edit actions under the same group */
    m_editActionGroup = new QActionGroup(this);
    m_editActionGroup->setExclusive(false);
    m_editActionGroup->addAction(m_editCutAction);
    m_editActionGroup->addAction(m_editCopyAction);
    m_editActionGroup->addAction(m_editPasteAction);
    m_editActionGroup->addAction(m_editDeleteAction);
    m_editActionGroup->addAction(m_editPropertiesAction);
    m_editActionGroup->addAction(m_editRenameAction);

    /* Background menu actions */
    m_bgColorAction = new QAction(QIcon(":/color.png"), tr("Background Color"), this);
    connect(m_bgColorAction, SIGNAL(triggered(bool)), this, SLOT(slotBackgroundColor()));

    m_bgImageAction = new QAction(QIcon(":/image.png"), tr("Background Image"), this);
    connect(m_bgImageAction, SIGNAL(triggered(bool)), this, SLOT(slotBackgroundImage()));

    m_bgDefaultAction = new QAction(QIcon(":/undo.png"), tr("Default"), this);
    connect(m_bgDefaultAction, SIGNAL(triggered(bool)), this, SLOT(slotBackgroundNone()));

    /* Put BG actions under the same group */
    m_bgActionGroup = new QActionGroup(this);
    m_bgActionGroup->setExclusive(false);
    m_bgActionGroup->addAction(m_bgColorAction);
    m_bgActionGroup->addAction(m_bgImageAction);
    m_bgActionGroup->addAction(m_bgDefaultAction);

    /* Foreground menu actions */
    m_fgColorAction = new QAction(QIcon(":/fontcolor.png"), tr("Font Colour"), this);
    connect(m_fgColorAction, SIGNAL(triggered(bool)), this, SLOT(slotForegroundColor()));

    m_fgDefaultAction = new QAction(QIcon(":/undo.png"), tr("Default"), this);
    connect(m_fgDefaultAction, SIGNAL(triggered(bool)), this, SLOT(slotForegroundNone()));

    /* Put FG actions under the same group */
    m_fgActionGroup = new QActionGroup(this);
    m_fgActionGroup->setExclusive(false);
    m_fgActionGroup->addAction(m_fgColorAction);
    m_fgActionGroup->addAction(m_fgDefaultAction);

    /* Font menu actions */
    m_fontAction = new QAction(QIcon(":/fonts.png"), tr("Font"), this);
    connect(m_fontAction, SIGNAL(triggered(bool)), this, SLOT(slotFont()));

    m_resetFontAction = new QAction(QIcon(":/undo.png"), tr("Default"), this);
    connect(m_resetFontAction, SIGNAL(triggered(bool)), this, SLOT(slotResetFont()));

    /* Put font actions under the same group */
    m_fontActionGroup = new QActionGroup(this);
    m_fontActionGroup->setExclusive(false);
    m_fontActionGroup->addAction(m_fontAction);
    m_fontActionGroup->addAction(m_resetFontAction);

    /* Frame menu actions */
    m_frameSunkenAction = new QAction(QIcon(":/framesunken.png"), tr("Sunken"), this);
    connect(m_frameSunkenAction, SIGNAL(triggered(bool)), this, SLOT(slotFrameSunken()));

    m_frameRaisedAction = new QAction(QIcon(":/frameraised.png"), tr("Raised"), this);
    connect(m_frameRaisedAction, SIGNAL(triggered(bool)), this, SLOT(slotFrameRaised()));

    m_frameNoneAction = new QAction(QIcon(":/framenone.png"), tr("None"), this);
    connect(m_frameNoneAction, SIGNAL(triggered(bool)), this, SLOT(slotFrameNone()));

    /* Put frame actions under the same group */
    m_frameActionGroup = new QActionGroup(this);
    m_frameActionGroup->setExclusive(false);
    m_frameActionGroup->addAction(m_frameRaisedAction);
    m_frameActionGroup->addAction(m_frameSunkenAction);
    m_frameActionGroup->addAction(m_frameNoneAction);

    /* Stacking menu actions */
    m_stackingRaiseAction = new QAction(QIcon(":/up.png"), tr("Bring to front"), this);
    connect(m_stackingRaiseAction, SIGNAL(triggered(bool)), this, SLOT(slotStackingRaise()));

    m_stackingLowerAction = new QAction(QIcon(":/down.png"), tr("Send to back"), this);
    connect(m_stackingLowerAction, SIGNAL(triggered(bool)), this, SLOT(slotStackingLower()));

    /* Put stacking actions under the same group */
    m_stackingActionGroup = new QActionGroup(this);
    m_stackingActionGroup->setExclusive(false);
    m_stackingActionGroup->addAction(m_stackingRaiseAction);
    m_stackingActionGroup->addAction(m_stackingLowerAction);
}

void VirtualConsole::initMenuBar()
{
    /* Add menu */
    m_addMenu = new QMenu(this);
    m_addMenu->setTitle(tr("&Add"));
    m_addMenu->addAction(m_addButtonAction);
    m_addMenu->addAction(m_addButtonMatrixAction);
    m_addMenu->addSeparator();
    m_addMenu->addAction(m_addSliderAction);
    m_addMenu->addAction(m_addSliderMatrixAction);
    m_addMenu->addAction(m_addKnobAction);
    m_addMenu->addAction(m_addSpeedDialAction);
    m_addMenu->addSeparator();
    m_addMenu->addAction(m_addXYPadAction);
    m_addMenu->addAction(m_addCueListAction);
    m_addMenu->addAction(m_addAnimationAction);
    m_addMenu->addAction(m_addAudioTriggersAction);
    m_addMenu->addSeparator();
    m_addMenu->addAction(m_addFrameAction);
    m_addMenu->addAction(m_addSoloFrameAction);
    m_addMenu->addAction(m_addLabelAction);
    m_addMenu->addAction(m_addClockAction);

    /* Edit menu */
    m_editMenu = new QMenu(this);
    m_editMenu->setTitle(tr("&Edit"));
    m_editMenu->addAction(m_editCutAction);
    m_editMenu->addAction(m_editCopyAction);
    m_editMenu->addAction(m_editPasteAction);
    m_editMenu->addAction(m_editDeleteAction);
    m_editMenu->addSeparator();
    m_editMenu->addAction(m_editPropertiesAction);
    m_editMenu->addAction(m_editRenameAction);
    m_editMenu->addSeparator();

    /* Background Menu */
    QMenu* bgMenu = new QMenu(m_editMenu);
    bgMenu->setTitle(tr("&Background"));
    m_editMenu->addMenu(bgMenu);
    bgMenu->addAction(m_bgColorAction);
    bgMenu->addAction(m_bgImageAction);
    bgMenu->addAction(m_bgDefaultAction);

    /* Foreground menu */
    QMenu* fgMenu = new QMenu(m_editMenu);
    fgMenu->setTitle(tr("&Foreground"));
    m_editMenu->addMenu(fgMenu);
    fgMenu->addAction(m_fgColorAction);
    fgMenu->addAction(m_fgDefaultAction);

    /* Font menu */
    QMenu* fontMenu = new QMenu(m_editMenu);
    fontMenu->setTitle(tr("F&ont"));
    m_editMenu->addMenu(fontMenu);
    fontMenu->addAction(m_fontAction);
    fontMenu->addAction(m_resetFontAction);

    /* Frame menu */
    QMenu* frameMenu = new QMenu(m_editMenu);
    frameMenu->setTitle(tr("F&rame"));
    m_editMenu->addMenu(frameMenu);
    frameMenu->addAction(m_frameSunkenAction);
    frameMenu->addAction(m_frameRaisedAction);
    frameMenu->addAction(m_frameNoneAction);

    /* Stacking order menu */
    QMenu* stackMenu = new QMenu(m_editMenu);
    stackMenu->setTitle(tr("Stacking &order"));
    m_editMenu->addMenu(stackMenu);
    stackMenu->addAction(m_stackingRaiseAction);
    stackMenu->addAction(m_stackingLowerAction);

    /* Add a separator that separates the common edit items from a custom
       widget menu that gets appended to the edit menu when a selected
       widget provides one. */
    m_editMenu->addSeparator();

    /* Toolbar */
    m_toolbar = new QToolBar(this);
    m_toolbar->setIconSize(QSize(26,26));
    m_contentsLayout->addWidget(m_toolbar);

    m_toolbar->addAction(m_addButtonAction);
    m_toolbar->addAction(m_addButtonMatrixAction);
    m_toolbar->addAction(m_addSliderAction);
    m_toolbar->addAction(m_addSliderMatrixAction);
    m_toolbar->addAction(m_addKnobAction);
    m_toolbar->addAction(m_addSpeedDialAction);
    m_toolbar->addAction(m_addXYPadAction);
    m_toolbar->addAction(m_addCueListAction);
    m_toolbar->addAction(m_addAnimationAction);
    m_toolbar->addAction(m_addFrameAction);
    m_toolbar->addAction(m_addSoloFrameAction);
    m_toolbar->addAction(m_addLabelAction);
    m_toolbar->addAction(m_addAudioTriggersAction);
    m_toolbar->addAction(m_addClockAction);
    m_toolbar->addSeparator();
    m_toolbar->addAction(m_editCutAction);
    m_toolbar->addAction(m_editCopyAction);
    m_toolbar->addAction(m_editPasteAction);
    m_toolbar->addSeparator();
    m_toolbar->addAction(m_editDeleteAction);
    m_toolbar->addSeparator();
    m_toolbar->addAction(m_editPropertiesAction);
    m_toolbar->addAction(m_editRenameAction);
    m_toolbar->addSeparator();
    m_toolbar->addAction(m_stackingRaiseAction);
    m_toolbar->addAction(m_stackingLowerAction);
    m_toolbar->addSeparator();
    m_toolbar->addAction(m_bgColorAction);
    m_toolbar->addAction(m_bgImageAction);
    m_toolbar->addAction(m_fgColorAction);
    m_toolbar->addAction(m_fontAction);
    m_toolbar->addSeparator();
    m_toolbar->addAction(m_functionWizardAction);
    m_toolbar->addAction(m_toolsSettingsAction);
}

void VirtualConsole::updateCustomMenu()
{
    /* Get rid of the custom menu, but delete it later because this might
       be called from the very menu that is being deleted. */
    if (m_customMenu != NULL)
    {
        delete m_customMenu;
        m_customMenu = NULL;
    }

    if (m_selectedWidgets.size() > 0)
    {
        /* Change the custom menu to the last selected widget's menu */
        VCWidget* latestWidget = m_selectedWidgets.last();
        m_customMenu = latestWidget->customMenu(m_editMenu);
        if (m_customMenu != NULL)
            m_editMenu->addMenu(m_customMenu);
    }
    else
    {
        /* Change the custom menu to the bottom frame's menu */
        Q_ASSERT(contents() != NULL);
        m_customMenu = contents()->customMenu(m_editMenu);
        if (m_customMenu != NULL)
            m_editMenu->addMenu(m_customMenu);
    }
}

void VirtualConsole::updateActions()
{
    /* When selected widgets is empty, all actions go to main draw area. */
    if (m_selectedWidgets.isEmpty() == true)
    {
        /* Enable widget additions to draw area */
        m_addActionGroup->setEnabled(true);

        /* Disable edit actions that can't be allowed for draw area */
        m_editCutAction->setEnabled(false);
        m_editCopyAction->setEnabled(false);
        m_editDeleteAction->setEnabled(false);
        m_editRenameAction->setEnabled(false);
        m_editPropertiesAction->setEnabled(false);

        /* All the rest are disabled for draw area, except BG & font */
        m_frameActionGroup->setEnabled(false);
        m_stackingActionGroup->setEnabled(false);

        /* Enable paste to draw area if there's something to paste */
        if (m_clipboard.isEmpty() == true)
            m_editPasteAction->setEnabled(false);
        else
            m_editPasteAction->setEnabled(true);
    }
    else
    {
        /* Enable edit actions for other widgets */
        m_editCutAction->setEnabled(true);
        m_editCopyAction->setEnabled(true);
        m_editDeleteAction->setEnabled(true);
        m_editRenameAction->setEnabled(true);
        m_editPropertiesAction->setEnabled(true);

        /* Enable all common properties */
        m_bgActionGroup->setEnabled(true);
        m_fgActionGroup->setEnabled(true);
        m_fontActionGroup->setEnabled(true);
        m_frameActionGroup->setEnabled(true);
        m_stackingActionGroup->setEnabled(true);

        /* Check, whether the last selected widget can hold children */
        if (m_selectedWidgets.last()->allowChildren() == true)
        {
            /* Enable paste for widgets that can hold children */
            if (m_clipboard.isEmpty() == true)
                m_editPasteAction->setEnabled(false);
            else
                m_editPasteAction->setEnabled(true);

            /* Enable also new additions */
            m_addActionGroup->setEnabled(true);
        }
        else
        {
            /* No pasted children possible */
            m_editPasteAction->setEnabled(false);
        }
    }

    if (contents()->children().count() == 0)
        m_latestWidgetId = 0;
}

/*****************************************************************************
 * Add menu callbacks
 *****************************************************************************/

VCWidget* VirtualConsole::closestParent() const
{
    /* If nothing is selected, return the bottom-most contents frame */
    if (m_selectedWidgets.isEmpty() == true)
        return contents();

    /* Find the next VCWidget in the hierarchy that accepts children */
    VCWidget* widget = m_selectedWidgets.last();
    while (widget != NULL)
    {
        if (widget->allowChildren() == true)
            return widget;
        else
            widget = qobject_cast<VCWidget*> (widget->parentWidget());
    }

    return NULL;
}

void VirtualConsole::connectWidgetToParent(VCWidget *widget, VCWidget *parent)
{
    if (parent->type() == VCWidget::FrameWidget
            || parent->type() == VCWidget::SoloFrameWidget)
    {
        VCFrame *frame = qobject_cast<VCFrame *>(parent);
        if (frame != NULL)
        {
            widget->setPage(frame->currentPage());
            frame->addWidgetToPageMap(widget);
        }
    }
    else
        widget->setPage(0);

    if (widget->type() == VCWidget::SliderWidget)
    {
        VCSlider *slider = qobject_cast<VCSlider *>(widget);
        if (slider != NULL)
        {
            connect(slider, SIGNAL(submasterValueChanged(qreal)),
                    parent, SLOT(slotSubmasterValueChanged(qreal)));
        }
    }
}

void VirtualConsole::disconnectWidgetFromParent(VCWidget *widget, VCWidget *parent)
{
    if (parent->type() == VCWidget::FrameWidget
            || parent->type() == VCWidget::SoloFrameWidget)
    {
        VCFrame *frame = qobject_cast<VCFrame *>(parent);
        if (frame != NULL)
            frame->removeWidgetFromPageMap(widget);
    }

    if (widget->type() == VCWidget::SliderWidget)
    {
        VCSlider *slider = qobject_cast<VCSlider *>(widget);
        if (slider != NULL)
        {
            disconnect(slider, SIGNAL(submasterValueChanged(qreal)),
                       parent, SLOT(slotSubmasterValueChanged(qreal)));
        }
    }
}

void VirtualConsole::slotAddButton()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCButton* button = new VCButton(parent, m_doc);
    setupWidget(button, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddButtonMatrix()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    AddVCButtonMatrix abm(this, m_doc);
    if (abm.exec() == QDialog::Rejected)
        return;

    int h = abm.horizontalCount();
    int v = abm.verticalCount();
    int sz = abm.buttonSize();

    VCFrame* frame = NULL;
    if (abm.frameStyle() == AddVCButtonMatrix::NormalFrame)
        frame = new VCFrame(parent, m_doc);
    else
        frame = new VCSoloFrame(parent, m_doc);
    Q_ASSERT(frame != NULL);
    addWidgetInMap(frame);
    frame->setHeaderVisible(false);
    connectWidgetToParent(frame, parent);

    // Resize the parent frame to fit the buttons nicely and toggle resizing off
    frame->resize(QSize((h * sz) + 20, (v * sz) + 20));
    frame->setAllowResize(false);

    for (int y = 0; y < v; y++)
    {
        for (int x = 0; x < h; x++)
        {
            VCButton* button = new VCButton(frame, m_doc);
            Q_ASSERT(button != NULL);
            addWidgetInMap(button);
            connectWidgetToParent(button, frame);
            button->move(QPoint(10 + (x * sz), 10 + (y * sz)));
            button->resize(QSize(sz, sz));
            button->show();

            int index = (y * h) + x;
            if (index < abm.functions().size())
            {
                quint32 fid = abm.functions().at(index);
                Function* function = m_doc->function(fid);
                if (function != NULL)
                {
                    button->setFunction(fid);
                    button->setCaption(function->name());
                }
            }
        }
    }

    // Show the frame after adding buttons to prevent flickering
    frame->show();
    frame->move(parent->lastClickPoint());
    frame->setAllowChildren(false); // Don't allow more children
    clearWidgetSelection();
    setWidgetSelected(frame, true);
    m_doc->setModified();
}

void VirtualConsole::slotAddSlider()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCSlider* slider = new VCSlider(parent, m_doc);
    setupWidget(slider, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddSliderMatrix()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    AddVCSliderMatrix avsm(this);
    if (avsm.exec() == QDialog::Rejected)
        return;

    int width = avsm.width();
    int height = avsm.height();
    int count = avsm.amount();

    VCFrame* frame = new VCFrame(parent, m_doc);
    Q_ASSERT(frame != NULL);
    addWidgetInMap(frame);
    frame->setHeaderVisible(false);
    connectWidgetToParent(frame, parent);

    // Resize the parent frame to fit the sliders nicely
    frame->resize(QSize((count * width) + 20, height + 20));
    frame->setAllowResize(false);

    for (int i = 0; i < count; i++)
    {
        VCSlider* slider = new VCSlider(frame, m_doc);
        Q_ASSERT(slider != NULL);
        addWidgetInMap(slider);
        connectWidgetToParent(slider, frame);
        slider->move(QPoint(10 + (width * i), 10));
        slider->resize(QSize(width, height));
        slider->show();
    }

    // Show the frame after adding buttons to prevent flickering
    frame->show();
    frame->move(parent->lastClickPoint());
    frame->setAllowChildren(false); // Don't allow more children
    clearWidgetSelection();
    setWidgetSelected(frame, true);
    m_doc->setModified();
}

void VirtualConsole::slotAddKnob()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCSlider* knob = new VCSlider(parent, m_doc);
    setupWidget(knob, parent);
    knob->resize(QSize(60, 90));
    knob->setWidgetStyle(VCSlider::WKnob);
    knob->setCaption(tr("Knob %1").arg(knob->id()));
    m_doc->setModified();
}

void VirtualConsole::slotAddSpeedDial()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCSpeedDial* dial = new VCSpeedDial(parent, m_doc);
    setupWidget(dial, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddXYPad()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCXYPad* xypad = new VCXYPad(parent, m_doc);
    setupWidget(xypad, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddCueList()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCCueList* cuelist = new VCCueList(parent, m_doc);
    setupWidget(cuelist, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddFrame()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCFrame* frame = new VCFrame(parent, m_doc, true);
    setupWidget(frame, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddSoloFrame()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCSoloFrame* soloframe = new VCSoloFrame(parent, m_doc, true);
    setupWidget(soloframe, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddLabel()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCLabel* label = new VCLabel(parent, m_doc);
    setupWidget(label, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddAudioTriggers()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCAudioTriggers* triggers = new VCAudioTriggers(parent, m_doc);
    setupWidget(triggers, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddClock()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCClock* clock = new VCClock(parent, m_doc);
    setupWidget(clock, parent);
    m_doc->setModified();
}

void VirtualConsole::slotAddAnimation()
{
    VCWidget* parent(closestParent());
    if (parent == NULL)
        return;

    VCMatrix* matrix = new VCMatrix(parent, m_doc);
    setupWidget(matrix, parent);
    m_doc->setModified();
}

/*****************************************************************************
 * Tools menu callbacks
 *****************************************************************************/

void VirtualConsole::slotToolsSettings()
{
    VCPropertiesEditor vcpe(this, m_properties, m_doc->inputOutputMap());
    if (vcpe.exec() == QDialog::Accepted)
    {
        m_properties = vcpe.properties();
        contents()->resize(m_properties.size());
        m_doc->inputOutputMap()->setGrandMasterChannelMode(m_properties.grandMasterChannelMode());
        m_doc->inputOutputMap()->setGrandMasterValueMode(m_properties.grandMasterValueMode());
        if (m_dockArea != NULL)
            m_dockArea->setGrandMasterInvertedAppearance(m_properties.grandMasterSlideMode());

        QSettings settings;
        settings.setValue(SETTINGS_BUTTON_SIZE, vcpe.buttonSize());
        settings.setValue(SETTINGS_BUTTON_STATUSLED, vcpe.buttonStatusLED());
        settings.setValue(SETTINGS_SLIDER_SIZE, vcpe.sliderSize());
        settings.setValue(SETTINGS_SPEEDDIAL_SIZE, vcpe.speedDialSize());
        settings.setValue(SETTINGS_SPEEDDIAL_VALUE, vcpe.speedDialValue());
        settings.setValue(SETTINGS_XYPAD_SIZE, vcpe.xypadSize());
        settings.setValue(SETTINGS_CUELIST_SIZE, vcpe.cuelistSize());
        settings.setValue(SETTINGS_FRAME_SIZE, vcpe.frameSize());
        settings.setValue(SETTINGS_SOLOFRAME_SIZE, vcpe.soloFrameSize());
        settings.setValue(SETTINGS_AUDIOTRIGGERS_SIZE, vcpe.audioTriggersSize());
        settings.setValue(SETTINGS_RGBMATRIX_SIZE, vcpe.rgbMatrixSize());

        m_doc->setModified();
    }
}

void VirtualConsole::slotWizard()
{
    FunctionWizard fw(this, m_doc);
    if (fw.exec() == QDialog::Accepted){
        m_doc->setModified();
    }
}

/*****************************************************************************
 * Edit menu callbacks
 *****************************************************************************/

void VirtualConsole::slotEditCut()
{
    /* No need to delete widgets in clipboard because they are actually just
       MOVED to another parent during Paste when m_editAction == EditCut.
       Cutting the widgets does nothing to them unless Paste is invoked. */

    /* Make the edit action valid only if there's something to cut */
    if (m_selectedWidgets.size() == 0)
    {
        m_editAction = EditNone;
        m_clipboard.clear();
        m_editPasteAction->setEnabled(false);
    }
    else
    {
        m_editAction = EditCut;
        m_clipboard = m_selectedWidgets;
        m_editPasteAction->setEnabled(true);
    }

    updateActions();
}

void VirtualConsole::slotEditCopy()
{
    /* Make the edit action valid only if there's something to copy */
    if (m_selectedWidgets.size() == 0)
    {
        m_editAction = EditNone;
        m_clipboard.clear();
        m_editPasteAction->setEnabled(false);
    }
    else
    {
        m_editAction = EditCopy;
        m_clipboard = m_selectedWidgets;
        m_editPasteAction->setEnabled(true);
    }
}

void VirtualConsole::slotEditPaste()
{
    if (m_clipboard.size() == 0)
    {
        /* Invalidate the edit action if there's nothing to paste */
        m_editAction = EditNone;
        m_editPasteAction->setEnabled(false);
        return;
    }

    VCWidget* parent;
    VCWidget* widget;
    QRect bounds;

    Q_ASSERT(contents() != NULL);

    /* Select the parent that gets the cut clipboard contents */
    parent = closestParent();

    /* Get the bounding rect for all selected widgets */
    QListIterator <VCWidget*> it(m_clipboard);
    while (it.hasNext() == true)
    {
        widget = it.next();
        Q_ASSERT(widget != NULL);
        bounds = bounds.united(widget->geometry());
    }

    /* Get the upcoming parent's last mouse click point */
    QPoint cp(parent->lastClickPoint());

    if (m_editAction == EditCut)
    {
        it.toFront();
        while (it.hasNext() == true)
        {
            widget = it.next();
            Q_ASSERT(widget != NULL);
            if (widget == parent)
                continue;

            VCWidget* prevParent = qobject_cast<VCWidget*> (widget->parentWidget());
            if (prevParent != NULL)
                disconnectWidgetFromParent(widget, prevParent);

            /* Get widget's relative pos to the bounding rect */
            QPoint p(widget->x() - bounds.x() + cp.x(),
                     widget->y() - bounds.y() + cp.y());

            /* Reparent and move to the correct place */
            widget->setParent(parent);
            connectWidgetToParent(widget, parent);
            widget->move(p);
            widget->show();
        }

        /* Clear clipboard after pasting stuff that was CUT */
        m_clipboard.clear();
        m_editPasteAction->setEnabled(false);
    }
    else if (m_editAction == EditCopy)
    {
        it.toFront();
        while (it.hasNext() == true)
        {
            widget = it.next();
            Q_ASSERT(widget != NULL);
            if (widget == parent)
                continue;

            /* Get widget's relative pos to the bounding rect */
            QPoint p(widget->x() - bounds.x() + cp.x(),
                     widget->y() - bounds.y() + cp.y());

            /* Create a copy and move to correct place */
            VCWidget* copy = widget->createCopy(parent);
            Q_ASSERT(copy != NULL);
            addWidgetInMap(copy);
            connectWidgetToParent(copy, parent);
            copy->move(p);
            copy->show();
        }
    }

    updateActions();
}

void VirtualConsole::slotEditDelete()
{
    QString msg(tr("Do you wish to delete the selected widgets?"));
    QString title(tr("Delete widgets"));
    int result = QMessageBox::question(this, title, msg,
                                       QMessageBox::Yes,
                                       QMessageBox::No);
    if (result == QMessageBox::Yes)
    {
        while (m_selectedWidgets.isEmpty() == false)
        {
            /* Consume the selected list until it is empty and
               delete each widget. */
            VCWidget* widget = m_selectedWidgets.takeFirst();
            m_widgetsMap.remove(widget->id());
            foreach (VCWidget* child, getChildren(widget))
                m_widgetsMap.remove(child->id());
            VCWidget* parent = qobject_cast<VCWidget*> (widget->parentWidget());
            widget->deleteLater();

            if (parent != NULL)
                disconnectWidgetFromParent(widget, parent);

            /* Remove the widget from clipboard as well so that
               deleted widgets won't be pasted anymore anywhere */
            m_clipboard.removeAll(widget);
            m_editPasteAction->setEnabled(false);
        }

        updateActions();
    }
    m_doc->setModified();
}

void VirtualConsole::slotEditProperties()
{
    VCWidget* widget;

    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        widget = contents();
    else
        widget = m_selectedWidgets.last();

    if (widget != NULL)
        widget->editProperties();
}

void VirtualConsole::slotEditRename()
{
    if (m_selectedWidgets.isEmpty() == true)
        return;

    bool ok = false;
    QString text(m_selectedWidgets.last()->caption());
    text = QInputDialog::getText(this, tr("Rename widgets"), tr("Caption:"),
                                 QLineEdit::Normal, text, &ok);
    if (ok == true)
    {
        VCWidget* widget;
        foreach (widget, m_selectedWidgets)
            widget->setCaption(text);
    }
}

/*****************************************************************************
 * Background menu callbacks
 *****************************************************************************/

void VirtualConsole::slotBackgroundColor()
{
    QColor color;

    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        color = contents()->backgroundColor();
    else
        color = m_selectedWidgets.last()->backgroundColor();

    color = QColorDialog::getColor(color);
    if (color.isValid() == true)
    {
        if (m_selectedWidgets.isEmpty() == true)
        {
            contents()->setBackgroundColor(color);
        }
        else
        {
            VCWidget* widget;
            foreach (widget, m_selectedWidgets)
                widget->setBackgroundColor(color);
        }
    }
}

void VirtualConsole::slotBackgroundImage()
{
    QString path;

    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        path = contents()->backgroundImage();
    else
        path = m_selectedWidgets.last()->backgroundImage();

    path = QFileDialog::getOpenFileName(this,
                                        tr("Select background image"),
                                        path,
                                        QString("%1 (*.png *.bmp *.jpg *.jpeg *.gif)").arg(tr("Images")));
    if (path.isEmpty() == false)
    {
        if (m_selectedWidgets.isEmpty() == true)
        {
            contents()->setBackgroundImage(path);
        }
        else
        {
            VCWidget* widget;
            foreach (widget, m_selectedWidgets)
                widget->setBackgroundImage(path);
        }
    }
}

void VirtualConsole::slotBackgroundNone()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
    {
        contents()->resetBackgroundColor();
    }
    else
    {
        VCWidget* widget;
        foreach (widget, m_selectedWidgets)
            widget->resetBackgroundColor();
    }
}

/*****************************************************************************
 * Foreground menu callbacks
 *****************************************************************************/

void VirtualConsole::slotForegroundColor()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        return;

    QColor color(m_selectedWidgets.last()->foregroundColor());
    color = QColorDialog::getColor(color);
    if (color.isValid() == true)
    {
        VCWidget* widget;
        foreach (widget, m_selectedWidgets)
            widget->setForegroundColor(color);
    }
}

void VirtualConsole::slotForegroundNone()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        return;

    VCWidget* widget;
    foreach (widget, m_selectedWidgets)
        widget->resetForegroundColor();
}

/*****************************************************************************
 * Font menu callbacks
 *****************************************************************************/

void VirtualConsole::slotFont()
{
    bool ok = false;
    QFont font;

    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        font = contents()->font();
    else
        font = m_selectedWidgets.last()->font();

    /* This crashes with Qt 4.6.x on OSX. Upgrade to 4.7.x. */
    font = QFontDialog::getFont(&ok, font);
    if (ok == true)
    {
        if (m_selectedWidgets.isEmpty() == true)
        {
            contents()->setFont(font);
        }
        else
        {
            VCWidget* widget;
            foreach (widget, m_selectedWidgets)
                widget->setFont(font);
        }
    }
}

void VirtualConsole::slotResetFont()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
    {
        contents()->resetFont();
    }
    else
    {
        VCWidget* widget;
        foreach (widget, m_selectedWidgets)
            widget->resetFont();
    }
}

/*****************************************************************************
 * Stacking menu callbacks
 *****************************************************************************/

void VirtualConsole::slotStackingRaise()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        return;

    VCWidget* widget;
    foreach (widget, m_selectedWidgets)
        widget->raise();

    m_doc->setModified();
}

void VirtualConsole::slotStackingLower()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        return;

    VCWidget* widget;
    foreach (widget, m_selectedWidgets)
        widget->lower();

    m_doc->setModified();
}

/*****************************************************************************
 * Frame menu callbacks
 *****************************************************************************/

void VirtualConsole::slotFrameSunken()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        return;

    VCWidget* widget;
    foreach (widget, m_selectedWidgets)
        widget->setFrameStyle(KVCFrameStyleSunken);
}

void VirtualConsole::slotFrameRaised()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        return;

    VCWidget* widget;
    foreach (widget, m_selectedWidgets)
        widget->setFrameStyle(KVCFrameStyleRaised);
}

void VirtualConsole::slotFrameNone()
{
    Q_ASSERT(contents() != NULL);

    if (m_selectedWidgets.isEmpty() == true)
        return;

    VCWidget* widget;
    foreach (widget, m_selectedWidgets)
        widget->setFrameStyle(KVCFrameStyleNone);
}

/*****************************************************************************
 * Dock area
 *****************************************************************************/

VCDockArea* VirtualConsole::dockArea() const
{
    return m_dockArea;
}

void VirtualConsole::initDockArea()
{
    if (m_dockArea != NULL)
        delete m_dockArea;

    m_dockArea = new VCDockArea(this, m_doc->inputOutputMap());
    m_dockArea->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Expanding);

    // Add the dock area into the master horizontal layout
    layout()->addWidget(m_dockArea);

    /* Show the dock area by default */
    m_dockArea->show();
}

/*****************************************************************************
 * Contents
 *****************************************************************************/

VCFrame* VirtualConsole::contents() const
{
    return m_contents;
}

void VirtualConsole::resetContents()
{
    if (m_contents != NULL)
        delete m_contents;

    Q_ASSERT(m_scrollArea != NULL);
    m_contents = new VCFrame(m_scrollArea, m_doc);
    m_contents->setFrameStyle(0);

    // Get virtual console size from properties
    QSize size(m_properties.size());
    contents()->resize(size);
    contents()->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
    m_scrollArea->setWidget(contents());

    /* Disconnect old key handlers to prevent duplicates */
    disconnect(this, SIGNAL(keyPressed(const QKeySequence&)),
               contents(), SLOT(slotKeyPressed(const QKeySequence&)));
    disconnect(this, SIGNAL(keyReleased(const QKeySequence&)),
               contents(), SLOT(slotKeyReleased(const QKeySequence&)));

    /* Connect new key handlers */
    connect(this, SIGNAL(keyPressed(const QKeySequence&)),
            contents(), SLOT(slotKeyPressed(const QKeySequence&)));
    connect(this, SIGNAL(keyReleased(const QKeySequence&)),
            contents(), SLOT(slotKeyReleased(const QKeySequence&)));

    /* Make the contents area take up all available space */
    contents()->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

    m_clipboard.clear();
    m_selectedWidgets.clear();
    m_latestWidgetId = 0;
    m_widgetsMap.clear();

    /* Update actions' enabled status */
    updateActions();

    /* Reset all properties but size */
    m_properties.setGrandMasterChannelMode(GrandMaster::Intensity);
    m_properties.setGrandMasterValueMode(GrandMaster::Reduce);
    m_properties.setGrandMasterInputSource(InputOutputMap::invalidUniverse(), QLCChannel::invalid());
}

void VirtualConsole::addWidgetInMap(VCWidget* widget)
{
    // Valid ID ?
    if (widget->id() != VCWidget::invalidId())
    {
        // Maybe we don't know this widget yet
        if (!m_widgetsMap.contains(widget->id()))
        {
            m_widgetsMap.insert(widget->id(), widget);
            return;
        }

        // Maybe we already know this widget
        if (m_widgetsMap[widget->id()] == widget)
        {
            qDebug() << Q_FUNC_INFO << "widget" << widget->id() << "already in map";
            return;
        }

        // This widget id conflicts with another one we have to change it.
        qDebug() << Q_FUNC_INFO << "widget id" << widget->id() << "conflicts, creating a new ID";
    }

    quint32 wid = newWidgetId();
    Q_ASSERT(!m_widgetsMap.contains(wid));
    qDebug() << Q_FUNC_INFO << "id=" << wid;
    widget->setID(wid);
    m_widgetsMap.insert(wid, widget);
}

void VirtualConsole::setupWidget(VCWidget *widget, VCWidget *parent)
{
    Q_ASSERT(widget != NULL);
    Q_ASSERT(parent != NULL);

    addWidgetInMap(widget);
    connectWidgetToParent(widget, parent);
    widget->show();
    widget->move(parent->lastClickPoint());
    clearWidgetSelection();
    setWidgetSelected(widget, true);
}

VCWidget *VirtualConsole::widget(quint32 id)
{
    if (id == VCWidget::invalidId())
        return NULL;

    return m_widgetsMap.value(id, NULL);
}

void VirtualConsole::initContents()
{
    Q_ASSERT(layout() != NULL);

    m_scrollArea = new QScrollArea(this);
    m_contentsLayout->addWidget(m_scrollArea);
    m_scrollArea->setAlignment(Qt::AlignCenter);
    m_scrollArea->setWidgetResizable(false);

    resetContents();
}

/*****************************************************************************
 * Key press handler
 *****************************************************************************/

void VirtualConsole::keyPressEvent(QKeyEvent* event)
{
    if (event->isAutoRepeat() == true || event->key() == 0)
    {
        event->ignore();
        return;
    }

    QKeySequence seq(event->key() | (event->modifiers() & ~Qt::ControlModifier));
    emit keyPressed(seq);

    event->accept();
}

void VirtualConsole::keyReleaseEvent(QKeyEvent* event)
{
    if (event->isAutoRepeat() == true || event->key() == 0)
    {
        event->ignore();
        return;
    }

    QKeySequence seq(event->key() | event->modifiers());
    emit keyReleased(seq);

    event->accept();
}

/*****************************************************************************
 * Main application mode
 *****************************************************************************/

void VirtualConsole::toggleLiveEdit()
{
    // No live edit in Design Mode
    Q_ASSERT(m_doc->mode() == Doc::Operate);

    if (m_liveEdit)
    { // live edit was on, disable live edit
        m_liveEdit = false;
        disableEdit();
    }
    else
    { // live edit was off, enable live edit
        m_liveEdit = true;
        enableEdit();
    }

    // inform the widgets of the live edit status
    QHash<quint32, VCWidget*>::iterator widgetIt = m_widgetsMap.begin();
    while (widgetIt != m_widgetsMap.end())
    {
        VCWidget* widget = widgetIt.value();
        widget->setLiveEdit(m_liveEdit);
        ++widgetIt;
    }
    m_contents->setLiveEdit(m_liveEdit);
}

bool VirtualConsole::liveEdit() const
{
    return m_liveEdit;
}

void VirtualConsole::enableEdit()
{
    // Allow editing and adding in design mode
    m_toolsSettingsAction->setEnabled(true);
    m_editActionGroup->setEnabled(true);
    m_addActionGroup->setEnabled(true);
    m_bgActionGroup->setEnabled(true);
    m_fgActionGroup->setEnabled(true);
    m_fontActionGroup->setEnabled(true);
    m_frameActionGroup->setEnabled(true);
    m_stackingActionGroup->setEnabled(true);
    m_functionWizardAction->setEnabled(true);

    // Set action shortcuts for design mode
    m_addButtonAction->setShortcut(QKeySequence("CTRL+SHIFT+B"));
    m_addButtonMatrixAction->setShortcut(QKeySequence("CTRL+SHIFT+M"));
    m_addSliderAction->setShortcut(QKeySequence("CTRL+SHIFT+S"));
    m_addSliderMatrixAction->setShortcut(QKeySequence("CTRL+SHIFT+I"));
    m_addKnobAction->setShortcut(QKeySequence("CTRL+SHIFT+K"));
    m_addSpeedDialAction->setShortcut(QKeySequence("CTRL+SHIFT+D"));
    m_addXYPadAction->setShortcut(QKeySequence("CTRL+SHIFT+X"));
    m_addCueListAction->setShortcut(QKeySequence("CTRL+SHIFT+C"));
    m_addFrameAction->setShortcut(QKeySequence("CTRL+SHIFT+F"));
    m_addSoloFrameAction->setShortcut(QKeySequence("CTRL+SHIFT+O"));
    m_addLabelAction->setShortcut(QKeySequence("CTRL+SHIFT+L"));
    m_addAudioTriggersAction->setShortcut(QKeySequence("CTRL+SHIFT+A"));
    m_addClockAction->setShortcut(QKeySequence("CTRL+SHIFT+T"));
    m_addAnimationAction->setShortcut(QKeySequence("CTRL+SHIFT+R"));

    m_editCutAction->setShortcut(QKeySequence("CTRL+X"));
    m_editCopyAction->setShortcut(QKeySequence("CTRL+C"));
    m_editPasteAction->setShortcut(QKeySequence("CTRL+V"));
    m_editDeleteAction->setShortcut(QKeySequence("Delete"));
    m_editPropertiesAction->setShortcut(QKeySequence("CTRL+E"));

    m_bgColorAction->setShortcut(QKeySequence("SHIFT+B"));
    m_bgImageAction->setShortcut(QKeySequence("SHIFT+I"));
    m_bgDefaultAction->setShortcut(QKeySequence("SHIFT+ALT+B"));
    m_fgColorAction->setShortcut(QKeySequence("SHIFT+F"));
    m_fgDefaultAction->setShortcut(QKeySequence("SHIFT+ALT+F"));
    m_fontAction->setShortcut(QKeySequence("SHIFT+O"));
    m_resetFontAction->setShortcut(QKeySequence("SHIFT+ALT+O"));
    m_frameSunkenAction->setShortcut(QKeySequence("SHIFT+S"));
    m_frameRaisedAction->setShortcut(QKeySequence("SHIFT+R"));
    m_frameNoneAction->setShortcut(QKeySequence("SHIFT+ALT+S"));

    m_stackingRaiseAction->setShortcut(QKeySequence("SHIFT+UP"));
    m_stackingLowerAction->setShortcut(QKeySequence("SHIFT+DOWN"));

    // Show toolbar
    m_toolbar->show();
}

void VirtualConsole::disableEdit()
{
    // Don't allow editing or adding in operate mode
    m_toolsSettingsAction->setEnabled(false);
    m_editActionGroup->setEnabled(false);
    m_addActionGroup->setEnabled(false);
    m_bgActionGroup->setEnabled(false);
    m_fgActionGroup->setEnabled(false);
    m_fontActionGroup->setEnabled(false);
    m_frameActionGroup->setEnabled(false);
    m_stackingActionGroup->setEnabled(false);
    m_functionWizardAction->setEnabled(false);

    // Disable action shortcuts in operate mode
    m_addButtonAction->setShortcut(QKeySequence());
    m_addButtonMatrixAction->setShortcut(QKeySequence());
    m_addSliderAction->setShortcut(QKeySequence());
    m_addSliderMatrixAction->setShortcut(QKeySequence());
    m_addKnobAction->setShortcut(QKeySequence());
    m_addSpeedDialAction->setShortcut(QKeySequence());
    m_addXYPadAction->setShortcut(QKeySequence());
    m_addCueListAction->setShortcut(QKeySequence());
    m_addFrameAction->setShortcut(QKeySequence());
    m_addSoloFrameAction->setShortcut(QKeySequence());
    m_addLabelAction->setShortcut(QKeySequence());
    m_addAudioTriggersAction->setShortcut(QKeySequence());
    m_addClockAction->setShortcut(QKeySequence());
    m_addAnimationAction->setShortcut(QKeySequence());

    m_editCutAction->setShortcut(QKeySequence());
    m_editCopyAction->setShortcut(QKeySequence());
    m_editPasteAction->setShortcut(QKeySequence());
    m_editDeleteAction->setShortcut(QKeySequence());
    m_editPropertiesAction->setShortcut(QKeySequence());

    m_bgColorAction->setShortcut(QKeySequence());
    m_bgImageAction->setShortcut(QKeySequence());
    m_bgDefaultAction->setShortcut(QKeySequence());
    m_fgColorAction->setShortcut(QKeySequence());
    m_fgDefaultAction->setShortcut(QKeySequence());
    m_fontAction->setShortcut(QKeySequence());
    m_resetFontAction->setShortcut(QKeySequence());
    m_frameSunkenAction->setShortcut(QKeySequence());
    m_frameRaisedAction->setShortcut(QKeySequence());
    m_frameNoneAction->setShortcut(QKeySequence());

    m_stackingRaiseAction->setShortcut(QKeySequence());
    m_stackingLowerAction->setShortcut(QKeySequence());

    // Hide toolbar; there's nothing usable there in operate mode
    m_toolbar->hide();

    // Make sure the virtual console contents has the focus.
    // Without this, key combinations don't work unless
    // the user clicks on some VC area
    m_contents->setFocus();
}

void VirtualConsole::slotModeChanged(Doc::Mode mode)
{
    if (mode == Doc::Operate)
    { // Switch from Design mode to Operate mode
        // Hide edit tools
        disableEdit();
    }
    else
    { // Switch from Operate mode to Design mode
        if (m_liveEdit)
        {
            // Edit tools already shown,
            // inform the widgets that we are out of live edit mode
            m_liveEdit = false;
            QHash<quint32, VCWidget*>::iterator widgetIt = m_widgetsMap.begin();
            while (widgetIt != m_widgetsMap.end())
            {
                VCWidget* widget = widgetIt.value();
                widget->cancelLiveEdit();
                ++widgetIt;
            }
            m_contents->cancelLiveEdit();
        }
        else
        {
            // Show edit tools
            enableEdit();
        }
    }
}

/*****************************************************************************
 * Load & Save
 *****************************************************************************/

bool VirtualConsole::loadXML(QXmlStreamReader &root)
{
    if (root.name() != KXMLQLCVirtualConsole)
    {
        qWarning() << Q_FUNC_INFO << "Virtual Console node not found";
        return false;
    }

    while (root.readNextStartElement())
    {
        //qDebug() << "VC tag:" << root.name();
        if (root.name() == KXMLQLCVCProperties)
        {
            /* Properties */
            m_properties.loadXML(root);
            QSize size(m_properties.size());
            contents()->resize(size);
            contents()->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
        }
        else if (root.name() == KXMLQLCVCFrame)
        {
            /* Contents */
            Q_ASSERT(m_contents != NULL);
            m_contents->loadXML(root);
        }
        else
        {
            qWarning() << Q_FUNC_INFO << "Unknown Virtual Console tag"
                       << root.name().toString();
            root.skipCurrentElement();
        }
    }

    return true;
}

bool VirtualConsole::saveXML(QXmlStreamWriter *doc)
{
    Q_ASSERT(doc != NULL);

    /* Virtual Console entry */
    doc->writeStartElement(KXMLQLCVirtualConsole);

    /* Contents */
    Q_ASSERT(m_contents != NULL);
    m_contents->saveXML(doc);

    /* Properties */
    m_properties.saveXML(doc);

    /* End the <VirtualConsole> tag */
    doc->writeEndElement();

    return true;
}

QList<VCWidget *> VirtualConsole::getChildren(VCWidget *obj)
{
    QList<VCWidget *> list;
    if (obj == NULL)
        return list;
    QListIterator <VCWidget*> it(obj->findChildren<VCWidget*>());
    while (it.hasNext() == true)
    {
        VCWidget* child = it.next();
        list.append(child);
        list.append(getChildren(child));
    }
    return list;
}

void VirtualConsole::postLoad()
{
    m_contents->postLoad();

    /* apply GM values
      this should probably be placed in another place, but at the moment m_properties
      is just loaded in VirtualConsole */
    m_doc->inputOutputMap()->setGrandMasterValue(255);
    m_doc->inputOutputMap()->setGrandMasterValueMode(m_properties.grandMasterValueMode());
    m_doc->inputOutputMap()->setGrandMasterChannelMode(m_properties.grandMasterChannelMode());

    /* Go through widgets, check IDs and register */
    /* widgets to the map */
    /* This code is the same as the one in addWidgetInMap() */
    /* We have to repeat it to limit conflicts if */
    /* one widget was not saved with a valid ID, */
    /* as addWidgetInMap ensures the widget WILL be added */
    QList<VCWidget *> widgetsList = getChildren(m_contents);
    QList<VCWidget *> invalidWidgetsList;
    foreach (VCWidget *widget, widgetsList)
    {
        quint32 wid = widget->id();
        if (wid != VCWidget::invalidId())
        {
            if (!m_widgetsMap.contains(wid))
                m_widgetsMap.insert(wid, widget);
            else if (m_widgetsMap[wid] != widget)
                invalidWidgetsList.append(widget);
        }
        else
            invalidWidgetsList.append(widget);
    }
    foreach (VCWidget *widget, invalidWidgetsList)
        addWidgetInMap(widget);

    m_contents->setFocus();

    emit loaded();
}

mcallegari / qlcplus / 13633248611

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