- added JUCE library code
git-svn-id: http://moon:8086/svn/software/trunk/projects/FsTrack@357 b431acfa-c32f-4a4a-93f1-934dc6c82436
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_MULTIDOCUMENTPANEL_H_INCLUDED
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#define JUCE_MULTIDOCUMENTPANEL_H_INCLUDED
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class MultiDocumentPanel;
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//==============================================================================
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/**
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This is a derivative of DocumentWindow that is used inside a MultiDocumentPanel
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component.
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It's like a normal DocumentWindow but has some extra functionality to make sure
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everything works nicely inside a MultiDocumentPanel.
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@see MultiDocumentPanel
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*/
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class JUCE_API MultiDocumentPanelWindow : public DocumentWindow
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{
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public:
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//==============================================================================
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/**
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*/
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MultiDocumentPanelWindow (Colour backgroundColour);
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/** Destructor. */
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~MultiDocumentPanelWindow();
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//==============================================================================
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/** @internal */
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void maximiseButtonPressed() override;
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/** @internal */
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void closeButtonPressed() override;
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/** @internal */
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void activeWindowStatusChanged() override;
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/** @internal */
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void broughtToFront() override;
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private:
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//==============================================================================
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void updateOrder();
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MultiDocumentPanel* getOwner() const noexcept;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiDocumentPanelWindow)
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};
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//==============================================================================
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/**
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A component that contains a set of other components either in floating windows
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or tabs.
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This acts as a panel that can be used to hold a set of open document windows, with
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different layout modes.
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Use addDocument() and closeDocument() to add or remove components from the
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panel - never use any of the Component methods to access the panel's child
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components directly, as these are managed internally.
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*/
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class JUCE_API MultiDocumentPanel : public Component,
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private ComponentListener
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{
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public:
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//==============================================================================
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/** Creates an empty panel.
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Use addDocument() and closeDocument() to add or remove components from the
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panel - never use any of the Component methods to access the panel's child
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components directly, as these are managed internally.
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*/
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MultiDocumentPanel();
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/** Destructor.
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When deleted, this will call closeAllDocuments (false) to make sure all its
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components are deleted. If you need to make sure all documents are saved
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before closing, then you should call closeAllDocuments (true) and check that
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it returns true before deleting the panel.
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*/
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~MultiDocumentPanel();
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//==============================================================================
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/** Tries to close all the documents.
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If checkItsOkToCloseFirst is true, then the tryToCloseDocument() method will
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be called for each open document, and any of these calls fails, this method
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will stop and return false, leaving some documents still open.
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If checkItsOkToCloseFirst is false, then all documents will be closed
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unconditionally.
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@see closeDocument
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*/
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bool closeAllDocuments (bool checkItsOkToCloseFirst);
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/** Adds a document component to the panel.
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If the number of documents would exceed the limit set by setMaximumNumDocuments() then
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this will fail and return false. (If it does fail, the component passed-in will not be
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deleted, even if deleteWhenRemoved was set to true).
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The MultiDocumentPanel will deal with creating a window border to go around your component,
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so just pass in the bare content component here, no need to give it a ResizableWindow
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or DocumentWindow.
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@param component the component to add
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@param backgroundColour the background colour to use to fill the component's
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window or tab
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@param deleteWhenRemoved if true, then when the component is removed by closeDocument()
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or closeAllDocuments(), then it will be deleted. If false, then
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the caller must handle the component's deletion
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*/
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bool addDocument (Component* component,
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Colour backgroundColour,
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bool deleteWhenRemoved);
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/** Closes one of the documents.
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If checkItsOkToCloseFirst is true, then the tryToCloseDocument() method will
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be called, and if it fails, this method will return false without closing the
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document.
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If checkItsOkToCloseFirst is false, then the documents will be closed
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unconditionally.
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The component will be deleted if the deleteWhenRemoved parameter was set to
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true when it was added with addDocument.
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@see addDocument, closeAllDocuments
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*/
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bool closeDocument (Component* component,
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bool checkItsOkToCloseFirst);
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/** Returns the number of open document windows.
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@see getDocument
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*/
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int getNumDocuments() const noexcept;
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/** Returns one of the open documents.
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The order of the documents in this array may change when they are added, removed
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or moved around.
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@see getNumDocuments
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*/
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Component* getDocument (int index) const noexcept;
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/** Returns the document component that is currently focused or on top.
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If currently using floating windows, then this will be the component in the currently
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active window, or the top component if none are active.
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If it's currently in tabbed mode, then it'll return the component in the active tab.
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@see setActiveDocument
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*/
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Component* getActiveDocument() const noexcept;
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/** Makes one of the components active and brings it to the top.
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@see getActiveDocument
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*/
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void setActiveDocument (Component* component);
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/** Callback which gets invoked when the currently-active document changes. */
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virtual void activeDocumentChanged();
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/** Sets a limit on how many windows can be open at once.
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If this is zero or less there's no limit (the default). addDocument() will fail
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if this number is exceeded.
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*/
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void setMaximumNumDocuments (int maximumNumDocuments);
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/** Sets an option to make the document fullscreen if there's only one document open.
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If set to true, then if there's only one document, it'll fill the whole of this
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component without tabs or a window border. If false, then tabs or a window
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will always be shown, even if there's only one document. If there's more than
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one document open, then this option makes no difference.
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*/
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void useFullscreenWhenOneDocument (bool shouldUseTabs);
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/** Returns the result of the last time useFullscreenWhenOneDocument() was called.
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*/
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bool isFullscreenWhenOneDocument() const noexcept;
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//==============================================================================
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/** The different layout modes available. */
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enum LayoutMode
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{
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FloatingWindows, /**< In this mode, there are overlapping DocumentWindow components for each document. */
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MaximisedWindowsWithTabs /**< In this mode, a TabbedComponent is used to show one document at a time. */
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};
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/** Changes the panel's mode.
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@see LayoutMode, getLayoutMode
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*/
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void setLayoutMode (LayoutMode newLayoutMode);
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/** Returns the current layout mode. */
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LayoutMode getLayoutMode() const noexcept { return mode; }
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/** Sets the background colour for the whole panel.
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Each document has its own background colour, but this is the one used to fill the areas
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behind them.
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*/
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void setBackgroundColour (Colour newBackgroundColour);
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/** Returns the current background colour.
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@see setBackgroundColour
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*/
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Colour getBackgroundColour() const noexcept { return backgroundColour; }
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/** If the panel is being used in tabbed mode, this returns the TabbedComponent that's involved. */
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TabbedComponent* getCurrentTabbedComponent() const noexcept { return tabComponent; }
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//==============================================================================
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/** A subclass must override this to say whether its currently ok for a document
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to be closed.
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This method is called by closeDocument() and closeAllDocuments() to indicate that
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a document should be saved if possible, ready for it to be closed.
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If this method returns true, then it means the document is ok and can be closed.
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If it returns false, then it means that the closeDocument() method should stop
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and not close.
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Normally, you'd use this method to ask the user if they want to save any changes,
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then return true if the save operation went ok. If the user cancelled the save
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operation you could return false here to abort the close operation.
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If your component is based on the FileBasedDocument class, then you'd probably want
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to call FileBasedDocument::saveIfNeededAndUserAgrees() and return true if this returned
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FileBasedDocument::savedOk
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@see closeDocument, FileBasedDocument::saveIfNeededAndUserAgrees()
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*/
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virtual bool tryToCloseDocument (Component* component) = 0;
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/** Creates a new window to be used for a document.
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The default implementation of this just returns a basic MultiDocumentPanelWindow object,
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but you might want to override it to return a custom component.
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*/
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virtual MultiDocumentPanelWindow* createNewDocumentWindow();
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//==============================================================================
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/** @internal */
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void paint (Graphics&) override;
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/** @internal */
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void resized() override;
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/** @internal */
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void componentNameChanged (Component&) override;
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private:
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//==============================================================================
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LayoutMode mode;
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Array <Component*> components;
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ScopedPointer<TabbedComponent> tabComponent;
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Colour backgroundColour;
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int maximumNumDocuments, numDocsBeforeTabsUsed;
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class TabbedComponentInternal;
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friend class MultiDocumentPanelWindow;
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friend class TabbedComponentInternal;
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Component* getContainerComp (Component*) const;
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void updateOrder();
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void addWindow (Component*);
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiDocumentPanel)
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};
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#endif // JUCE_MULTIDOCUMENTPANEL_H_INCLUDED
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