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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you 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 .
+ */
+
+#ifndef INCLUDED_VCL_SVAPP_HXX
+#define INCLUDED_VCL_SVAPP_HXX
+
+#include <sal/config.h>
+#include <sal/types.h>
+
+#include <cassert>
+#include <vector>
+
+#include <comphelper/solarmutex.hxx>
+#include <LibreOfficeKit/LibreOfficeKitTypes.h>
+#include <osl/mutex.hxx>
+#include <rtl/ustring.hxx>
+#include <osl/thread.h>
+#include <tools/gen.hxx>
+#include <tools/link.hxx>
+#include <vcl/dllapi.h>
+#include <vcl/IDialogRenderable.hxx>
+#include <vcl/inputtypes.hxx>
+#include <vcl/exceptiontypes.hxx>
+#include <vcl/vclevent.hxx>
+#include <vcl/vclenum.hxx>
+#include <i18nlangtag/lang.h>
+#include <o3tl/typed_flags_set.hxx>
+#include <com/sun/star/uno/Reference.h>
+
+
+class BitmapEx;
+namespace weld
+{
+ class Builder;
+ class MessageDialog;
+ class Widget;
+ class Window;
+}
+class LocaleDataWrapper;
+class AllSettings;
+class DataChangedEvent;
+class Accelerator;
+class Help;
+class OutputDevice;
+namespace vcl {
+ class KeyCode;
+ class ILibreOfficeKitNotifier;
+ class Window;
+}
+
+class NotifyEvent;
+class KeyEvent;
+class MouseEvent;
+class GestureEventPan;
+struct ImplSVEvent;
+struct ConvertData;
+namespace basegfx { class SystemDependentDataManager; }
+
+namespace com::sun::star::uno {
+ class XComponentContext;
+}
+namespace com::sun::star::ui::dialogs {
+ class XFilePicker2;
+ class XFolderPicker2;
+}
+namespace com::sun::star::awt {
+ class XToolkit;
+ class XDisplayConnection;
+ class XWindow;
+}
+
+VCL_DLLPUBLIC sal_UCS4 GetLocalizedChar( sal_UCS4, LanguageType );
+
+enum class SystemWindowFlags {
+ NOAUTOMODE = 0x0001,
+ DIALOG = 0x0002
+};
+namespace o3tl
+{
+ template<> struct typed_flags<SystemWindowFlags> : is_typed_flags<SystemWindowFlags, 0x03> {};
+}
+
+typedef long (*VCLEventHookProc)( NotifyEvent& rEvt, void* pData );
+
+/** An application can be notified of a number of different events:
+ - Type::Accept - listen for connection to the application (a connection
+ string is passed via the event)
+ - Type::Unaccept - stops listening for a connection to the app (determined by
+ a connection string passed via the event)
+ - Type::Appear - brings the app to the front (i.e. makes it "appear")
+ - Type::Version - display the app version
+ - Type::Help - opens a help topic (help topic passed as string)
+ - Type::OpenHELP_URL - opens a help URL (URL passed as a string)
+ - Type::ShowDialog - shows a dialog (dialog passed as a string)
+ - Type::Open - opens a document or group of documents (documents passed
+ as an array of strings)
+ - Type::Print - print a document or group of documents (documents passed
+ as an array of strings
+ - Type::PrivateDoShutdown - shutdown the app
+*/
+
+class VCL_DLLPUBLIC ApplicationEvent
+{
+public:
+ enum class Type {
+ Accept, ///< Listen for connections
+ Appear, ///< Make application appear
+ Open, ///< Open a document
+ OpenHelpUrl, ///< Open a help URL
+ Print, ///< Print document
+ PrivateDoShutdown, ///< Shutdown application
+ QuickStart, ///< Start QuickStart
+ ShowDialog, ///< Show a dialog
+ Unaccept ///< Stop listening for connections
+ };
+
+ /** Explicit constructor for ApplicationEvent.
+
+ @attention Type::Appear, Type::PrivateDoShutdown and
+ Type::QuickStart are the \em only events that don't need to include
+ a data string with the event. No other events should use this
+ constructor!
+ */
+ explicit ApplicationEvent(Type type): aEvent(type)
+ {
+ assert(type == Type::Appear || type == Type::PrivateDoShutdown || type == Type::QuickStart);
+ }
+
+ /** Constructor for ApplicationEvent, accepts a string for the data
+ associated with the event.
+
+ @attention Type::Accept, Type::OpenHelpUrl, Type::ShowDialog
+ and Type::Unaccept are the \em only events that accept a single
+ string as event data. No other events should use this constructor!
+ */
+ ApplicationEvent(Type type, OUString const & data): aEvent(type)
+ {
+ assert(
+ type == Type::Accept || type == Type::OpenHelpUrl
+ || type == Type::ShowDialog || type == Type::Unaccept);
+ aData.push_back(data);
+ }
+
+ /** Constructor for ApplicationEvent, accepts an array of strings for
+ the data associated with the event.
+
+ @attention Type::Open and Type::Print can apply to multiple documents,
+ and are the \em only events that accept an array of strings. No other
+ events should use this constructor.
+ */
+ ApplicationEvent(Type type, std::vector<OUString>&& data):
+ aEvent(type), aData(std::move(data))
+ {
+ assert(type == Type::Open || type == Type::Print);
+ }
+
+ /** Get the type of event.
+
+ @returns The type of event.
+ */
+ Type GetEvent() const
+ {
+ return aEvent;
+ }
+
+ /** Gets the application event's data string.
+
+ @attention The \em only events that need a single string Type::Accept,
+ Type::OpenHelpUrl, Type::ShowDialog and Type::Unaccept
+
+ @returns The event's data string.
+ */
+ OUString const & GetStringData() const
+ {
+ assert(
+ aEvent == Type::Accept
+ || aEvent == Type::OpenHelpUrl || aEvent == Type::ShowDialog
+ || aEvent == Type::Unaccept);
+ assert(aData.size() == 1);
+ return aData[0];
+ }
+
+ /** Gets the event's array of strings.
+
+ @attention The \em only events that need an array of strings
+ are Type::Open and Type::Print.
+ */
+ std::vector<OUString> const & GetStringsData() const
+ {
+ assert(aEvent == Type::Open || aEvent == Type::Print);
+ return aData;
+ }
+
+private:
+ Type aEvent;
+ std::vector<OUString> aData;
+};
+
+enum class DialogCancelMode {
+ Off, ///< do not automatically cancel dialogs
+ Silent, ///< silently cancel any dialogs
+ LOKSilent, ///< silently cancel any dialogs (LOK case)
+ Fatal ///< cancel any dialogs by std::abort
+};
+
+/**
+ @brief Base class used mainly for the LibreOffice Desktop class.
+
+ The Application class is a base class mainly used by the Desktop
+ class. It is really meant to be subclassed, and the Main() function
+ should be overridden. Many of the ImplSVData members should be
+ moved to this class.
+
+ The reason Application exists is because the VCL used to be a
+ standalone framework, long since abandoned by anything other than
+ our application.
+
+ @see Desktop, ImplSVData
+ */
+class VCL_DLLPUBLIC Application : public vcl::ILibreOfficeKitNotifier
+{
+public:
+ /** @name Initialization
+ The following functions perform initialization and deinitialization
+ of the application.
+ */
+ ///@{
+
+ /** Default constructor for Application class.
+
+ Initializes the LibreOffice global instance data structure if needed,
+ and then sets itself to be the Application class. Also initializes any
+ platform specific data structures.
+
+ @attention The initialization of the application itself is done in Init()
+ */
+ Application();
+
+ /** Virtual destructor for Application class.
+
+ Deinitializes the LibreOffice global instance data structure, then
+ deinitializes any platform specific data structures.
+ */
+ virtual ~Application();
+
+ /** Initialize the application itself.
+
+ @attention Note that the global data structures and platform specific
+ initialization is done in the constructor.
+
+ @see InitFinished, DeInit
+ */
+ virtual void Init();
+
+ /** Finish initialization of the application.
+
+ @see Init, DeInit
+ */
+ virtual void InitFinished();
+
+ /** Deinitialized the application itself.
+
+ @attention Note that the global data structures and platform specific
+ deinitialization is done in the destructor.
+
+ @see Init, InitFinished
+ */
+ virtual void DeInit();
+
+ ///@}
+
+ /** @brief Pure virtual entrypoint to the application.
+
+ Main() is the pure virtual entrypoint to your application. You
+ inherit your class from Application and subclass this function to
+ implement an application.
+
+ The Main() function does not pass in command line parameters,
+ you must use the functions GetCommandLineParamCount() and
+ GetCommandLineParam() to get these values as these are platform
+ independent ways of getting the command line (use GetAppFileName()
+ to get the invoked executable filename).
+
+ Once in this function, you create windows, etc. then call on
+ Execute() to start the application's main event loop.
+
+ An example code snippet follows (it won't compile, this just gives the
+ general flavour of the framework and is adapted from an old HelloWorld
+ example program that Star Division used to provide as part of their
+ library).
+
+ \code{.cpp}
+ class TheApplication : public Application
+ {
+ public:
+ virtual void Main();
+ };
+
+ class TheWindow : public WorkWindow
+ {
+ public:
+ TheWindow(vcl::Window *parent, WinBits windowStyle) :
+ WorkWindow(parent, windowStyle) {}
+
+ virtual void Paint(const Rectangle &);
+ };
+
+ void TheWindow::Paint(const Rectangle&)
+ {
+ DrawText(Point(100,100), String("Hello World!"));
+ }
+
+ void TheApplication::Main()
+ {
+ TheWindow aWindow(NULL, WB_APP | WB_STDWORK);
+ aWindow.Show();
+ Execute();
+ }
+
+ TheApplication anApplication;
+ \endcode
+
+ Some examples in the source tree can be found here:
+
+ vcl/workben/svdem.cxx
+
+ This is an example of how to use the Application and WorkWindow. Unfortunately, it
+ no longer compiles.
+
+ vcl/fpicker/test/svdem.cxx
+ */
+ virtual int Main();
+
+ /** Exit from the application
+
+ @returns true if exited successfully, false if not able to fully exit
+ */
+ virtual bool QueryExit();
+
+ virtual void Shutdown();
+
+ /** @name Change Notification Functions
+
+ Functions that notify when changes occur in the application.
+ */
+ ///@{
+
+ /** Notify all windows that the application has changed data.
+
+ @param rDCEvt Reference to a DataChangedEvent object
+
+ @see DataChanged
+ */
+ static void NotifyAllWindows( DataChangedEvent& rDCEvt );
+
+ ///@}
+
+ /** @name Command Line Processing
+
+ Command line processing is done via the following functions. They
+ give the number of parameters, the parameters themselves and a way
+ to get the name of the invoking application.
+ */
+
+ ///@{
+
+ /** Gets the number of command line parameters passed to the application
+
+ @return sal_uInt16 - the number of parameters
+
+ @see GetCommandLineParam, GetAppFileName
+ */
+ static sal_uInt16 GetCommandLineParamCount();
+
+ /** Gets a particular command line parameter
+
+ @param nParam The index of the parameter to return.
+
+ @return The command line parameter as an OUString
+
+ @see GetCommandLineParamCount, GetAppFileName
+ */
+ static OUString GetCommandLineParam( sal_uInt16 nParam );
+
+ /** Get the name of the file used to start the application
+
+ @return The filename as an OUString
+
+ @see GetCommandLineParamCount, GetCommandLineParam
+ */
+ static OUString GetAppFileName();
+
+ ///@}
+
+ /** @name Error Handling
+
+ \em Very rudimentary error handling is done by these
+ functions.
+
+ @{
+ */
+
+ /** Handles an error.
+
+ @param nCategory The error category, see include/vcl/exceptiontypes.hxx
+
+ @see Abort
+ */
+ virtual void Exception( ExceptionCategory nCategory );
+
+ /** Ends the program prematurely with an error message.
+
+ If the \code --norestore \endcode command line argument is given (assuming
+ this process is run by developers who are interested in cores,
+ vs. end users who are not) then it does a coredump.
+
+ @param rErrorText The error message to report.
+
+ @see Exception
+ */
+ static void Abort( const OUString& rErrorText );
+
+ ///@}
+
+ /** @name Event Loop Functions
+
+ Functions that handle the LibreOffice main event loop are here,
+ including a global lock called the Solar Mutex.
+ */
+ ///@{
+
+ /** Run the main event processing loop until it is quit by Quit().
+
+ @see Quit, Reschedule, Yield, EndYield, GetSolarMutex,
+ IsMainThread, ReleaseSolarMutex, AcquireSolarMutex,
+ */
+ static void Execute();
+
+ /** Quit the program
+
+ @see Execute, Reschedule, Yield, EndYield, GetSolarMutex,
+ IsMainThread, ReleaseSolarMutex, AcquireSolarMutex,
+ */
+ static void Quit();
+
+ /** Has Quit() been called?
+ */
+ static bool IsQuit();
+
+ /** Attempt to process current pending event(s)
+
+ It doesn't sleep if no events are available for processing.
+ This doesn't process any events generated after invoking the function.
+ So in contrast to Scheduler::ProcessEventsToIdle, this cannot become
+ busy-locked by an event-generating event in the event queue.
+
+ @param bHandleAllCurrentEvents If set to true, then try to process all
+ the current events. If set to false, then only process one event.
+ Defaults to false.
+
+ @returns true if any event was processed.
+
+ @see Yield, Scheduler::ProcessEventsToIdle
+ */
+ static bool Reschedule( bool bHandleAllCurrentEvents = false );
+
+ /** Process the next event.
+
+ It sleeps if no event is available for processing and just returns
+ if an event was processed.
+
+ @see Execute, Quit, Reschedule, EndYield, GetSolarMutex,
+ IsMainThread, ReleaseSolarMutex, AcquireSolarMutex,
+ */
+ static void Yield();
+
+ /**
+
+ @see Execute, Quit, Reschedule, Yield, GetSolarMutex,
+ IsMainThread, ReleaseSolarMutex, AcquireSolarMutex,
+ */
+ static void EndYield();
+
+ /** @brief Get the Solar Mutex for this thread.
+
+ Get the Solar Mutex that prevents other threads from accessing VCL
+ concurrently.
+
+ @returns SolarMutex reference
+
+ @see Execute, Quit, Reschedule, Yield, EndYield,
+ IsMainThread, ReleaseSolarMutex, AcquireSolarMutex,
+ */
+ static comphelper::SolarMutex& GetSolarMutex();
+
+ /** Queries whether we are in main thread.
+
+ @returns true if we are in main thread, false if not
+
+ @see Execute, Quit, Reschedule, Yield, EndYield, GetSolarMutex,
+ ReleaseSolarMutex, AcquireSolarMutex,
+ */
+ static bool IsMainThread();
+
+ /** @brief Release Solar Mutex(es) for this thread
+
+ Release the Solar Mutex(es) that prevents other threads from accessing
+ VCL concurrently.
+
+ @returns The number of mutexes that were acquired by this thread.
+
+ @see Execute, Quit, Reschedule, Yield, EndYield, GetSolarMutex,
+ IsMainThread, AcquireSolarMutex,
+ */
+ static sal_uInt32 ReleaseSolarMutex();
+
+ /** @brief Acquire Solar Mutex(es) for this thread.
+
+ Acquire the Solar Mutex(es) that prevents other threads from accessing
+ VCL concurrently.
+
+ @see Execute, Quit, Reschedule, Yield, EndYield, GetSolarMutex,
+ IsMainThread, ReleaseSolarMutex,
+ */
+ static void AcquireSolarMutex( sal_uInt32 nCount );
+
+ /** Queries whether the application is in "main", i.e. not yet in
+ the event loop
+
+ @returns true if in main, false if not in main
+
+ @see IsInExecute, IsInModalMode
+ */
+ static bool IsInMain();
+
+ /** Queries whether the application is in the event loop
+
+ @returns true if in the event loop, false if not
+
+ @see IsInMain, IsInModalMode
+ */
+ static bool IsInExecute();
+
+ /** Queries whether application has a modal dialog active.
+
+ @returns true if a modal dialog is active, false if not
+
+ @see IsInMain, IsInExecute
+ */
+ static bool IsInModalMode();
+
+ /** Return how many events are being dispatched.
+
+ @returns the number of events currently being dispatched
+ */
+ static sal_uInt16 GetDispatchLevel();
+
+ /** Determine if there are any pending input events.
+
+ @param nType input identifier, defined in include/vcl/inputtypes.hxx
+ The default is VCL_INPUT_ANY.
+
+ @returns true if there are pending events, false if not.
+
+ @see GetLastInputInterval
+ */
+ static bool AnyInput( VclInputFlags nType = VCL_INPUT_ANY );
+
+ /** The interval from the last time that input was received.
+
+ @returns system ticks - last input time
+
+ @see AnyInput
+ */
+ static sal_uInt64 GetLastInputInterval();
+
+ ///@}
+
+ /* Determines if the UI is captured.
+
+ The UI is considered captured if a system dialog is open (e.g. printer setup),
+ a floating window, menu or toolbox dropdown is open, or a window has been
+ captured by the mouse.
+
+ @returns true if UI is captured, false if not
+ */
+ static bool IsUICaptured();
+
+ /** @name Settings
+
+ The following functions set system settings (e.g. tab color, etc.). There are functions
+ that set settings objects, and functions that set and get the actual system settings for
+ the application.
+ */
+ ///@{
+
+ /** Sets user settings in settings object to override system settings
+
+ The system settings that can be overridden are:
+ - window dragging options (on or off, including live scrolling!)
+ - style settings (e.g. checkbox color, border color, 3D colors,
+ button rollover colors, etc.)
+ - mouse settings
+ - menu options, including the mouse follows the menu and whether menu
+ icons are used
+
+ @param rSettings Reference to the settings object to change.
+
+ @see MergeSystemSettings, SetSettings, GetSettings
+ */
+ virtual void OverrideSystemSettings( AllSettings& rSettings );
+
+ /** Set the settings object to the platform/desktop environment system
+ settings.
+
+ @param rSettings Reference to the settings object to change.
+
+ @see OverrideSystemSettings, SetSettings, GetSettings
+ */
+ static void MergeSystemSettings( AllSettings& rSettings );
+
+ /** Sets the application's settings and notifies all windows of the
+ change.
+
+ @param rSettings const reference to settings object used to
+ change the application's settings.
+
+ @see OverrideSystemSettings, MergeSystemSettings, GetSettings
+ */
+ static void SetSettings( const AllSettings& rSettings );
+
+ /** Gets the application's settings. If the application hasn't initialized
+ it's settings, then it does so (lazy initialization).
+
+ @returns AllSettings instance that contains the current settings of the
+ application.
+
+ @see OverrideSystemSettings, MergeSystemSettings, SetSettings
+ */
+ static const AllSettings& GetSettings();
+
+ /** Get the application's locale data wrapper.
+
+ @returns reference to a LocaleDataWrapper object
+ */
+ static const LocaleDataWrapper& GetAppLocaleDataWrapper();
+
+ ///@}
+
+ /** @name Event Listeners/Handlers
+
+ A set of event listeners and callers. Note that in this code there is
+ platform specific functions - namely for zoom and scroll events.
+ */
+ ///@{
+
+
+ /** Add a VCL event listener to the application. If no event listener exists,
+ then initialize the application's event listener with a new one, then add
+ the event listener.
+
+ @param rEventListener Const reference to the event listener to add.
+
+ @see RemoveEventListener, AddKeyListener, RemoveKeyListener
+ */
+ static void AddEventListener( const Link<VclSimpleEvent&,void>& rEventListener );
+
+ /** Remove a VCL event listener from the application.
+
+ @param rEventListener Const reference to the event listener to be removed
+
+ @see AddEventListener, AddKeyListener, RemoveKeyListener
+ */
+ static void RemoveEventListener( const Link<VclSimpleEvent&,void>& rEventListener );
+
+ /** Add a keypress listener to the application. If keypress listener exists,
+ then initialize the application's keypress event listener with a new one, then
+ add the keypress listener.
+
+ @param rKeyListener Const reference to the keypress event listener to add
+
+ @see AddEventListener, RemoveEventListener, RemoveKeyListener
+ */
+ static void AddKeyListener( const Link<VclWindowEvent&,bool>& rKeyListener );
+
+ /** Remove a keypress listener from the application.
+
+ @param rKeyListener Const reference to the keypress event listener to be removed
+
+ @see AddEventListener, RemoveEventListener, AddKeyListener
+ */
+ static void RemoveKeyListener( const Link<VclWindowEvent&,bool>& rKeyListener );
+
+ /** Send event to all VCL application event listeners
+
+ @param pWin Pointer to window to send event
+ @param pData Pointer to data to send with event
+
+ @see ImplCallEventListeners(VclSimpleEvent* pEvent)
+ */
+ static void ImplCallEventListenersApplicationDataChanged( void* pData );
+
+ /** Send event to all VCL application event listeners
+
+ @param rEvent Reference to VclSimpleEvent
+
+ @see ImplCallEventListeners(sal_uLong nEvent, Windows* pWin, void* pData);
+ */
+ static void ImplCallEventListeners( VclSimpleEvent& rEvent );
+
+ /** Handle keypress event
+
+ @param nEvent Event ID for keypress
+ @param pWin Pointer to window that receives the event
+ @param pKeyEvent Received key event
+
+ @see PostKeyEvent
+ */
+ static bool HandleKey( VclEventId nEvent, vcl::Window *pWin, KeyEvent* pKeyEvent );
+
+ /** Send keypress event
+
+ @param nEvent Event ID for keypress
+ @param pWin Pointer to window to which the event is sent
+ @param pKeyEvent Key event to send
+
+ @see HandleKey
+ */
+ static ImplSVEvent * PostKeyEvent( VclEventId nEvent, vcl::Window *pWin, KeyEvent const * pKeyEvent );
+
+
+ static bool LOKHandleMouseEvent( VclEventId nEvent, vcl::Window *pWin, const MouseEvent* pEvent );
+
+ /** Send mouse event
+
+ @param nEvent Event ID for mouse event
+ @param pWin Pointer to window to which the event is sent
+ @param pMouseEvent Mouse event to send
+ */
+ static ImplSVEvent * PostMouseEvent( VclEventId nEvent, vcl::Window *pWin, MouseEvent const * pMouseEvent );
+
+ static ImplSVEvent* PostGestureEvent(VclEventId nEvent, vcl::Window* pWin,
+ GestureEventPan const * pGestureEvent);
+
+ /** Remove mouse and keypress events from a window... any also zoom and scroll events
+ if the platform supports it.
+
+ @param pWin Window to remove events from
+
+ @see HandleKey, PostKeyEvent, PostMouseEvent
+ */
+ static void RemoveMouseAndKeyEvents( vcl::Window *pWin );
+
+ /** Post a user event to the default window.
+
+ User events allow for the deferral of work to later in the main-loop - at idle.
+
+ Execution of the deferred work is thread-safe which means all the tasks are executed
+ serially, so no thread-safety locks between tasks are necessary.
+
+ @param rLink Link to event callback function
+ @param pCaller Pointer to data sent to the event by the caller. Optional.
+ @param bReferenceLink If true - hold a VclPtr<> reference on the Link's instance.
+ Taking the reference is guarded by a SolarMutexGuard.
+
+ @return the event ID used to post the event.
+ */
+ static ImplSVEvent * PostUserEvent( const Link<void*,void>& rLink, void* pCaller = nullptr,
+ bool bReferenceLink = false );
+
+ /** Remove user event based on event ID
+
+ @param nUserEvent User event to remove
+ */
+ static void RemoveUserEvent( ImplSVEvent * nUserEvent );
+
+ /*** Get the DisplayConnection.
+
+ It is a reference to XDisplayConnection, which allows toolkits to send display
+ events to the application.
+
+ @returns UNO reference to an object that implements the css:awt:XDisplayConnection
+ interface.
+ */
+ static css::uno::Reference< css::awt::XDisplayConnection > GetDisplayConnection();
+
+ /** @deprecated AppEvent is used only in the Desktop class now. However, it is
+ intended to notify the application that an event has occurred. It was in oldsv.cxx,
+ but is still needed by a number of functions.
+
+ @param rAppEvent const reference to ApplicationEvent event
+ */
+ virtual void AppEvent( const ApplicationEvent& rAppEvent );
+
+ ///@}
+
+ /** @name Application Window Functions
+
+ Functions that deal with the application's windows
+ */
+ ///@{
+
+ /** Get the currently focused window.
+
+ @returns Pointer to focused window.
+
+ @see GetDefaultDevice
+ */
+ static vcl::Window* GetFocusWindow();
+
+ /** Get the default "device" (in this case the default window).
+
+ @returns Pointer to an OutputDevice. However, it is a Window object -
+ Window class subclasses OutputDevice.
+
+ @see GetFocusWindow
+ */
+ static OutputDevice* GetDefaultDevice();
+
+ /** access the DataManager for buffering system-dependent data
+
+ @returns the global instance of the SystemDependentDataManager
+ */
+ static basegfx::SystemDependentDataManager& GetSystemDependentDataManager();
+
+ /** Get the first top-level window of the application.
+
+ @returns Pointer to top-level window (a Window object)
+
+ @see GetNextTopLevelWindow, GetTopWindowCount, GetTopWindow,
+ GetActiveTopWindow
+ */
+ static vcl::Window* GetFirstTopLevelWindow();
+
+ /** Get the next top level window.
+
+ @param pWindow Pointer to Window object you wish to get the next
+ window from.
+
+ @returns Pointer to next top window.
+ */
+ static vcl::Window* GetNextTopLevelWindow( vcl::Window const * pWindow );
+
+ /** Return the number of top-level windows being used by the application
+
+ @returns the number of top-level windows
+
+ @see GetFirstTopLevelWindow, GetNextTopLevelWindow, GetTopWindow,
+ GetActiveTopWindow
+
+ */
+ static tools::Long GetTopWindowCount();
+
+ /** Get the nth top window.
+
+ @remark Top windows are actually implemented in a one-way linked list.
+ This iterates through top level windows n times.
+
+ @param nIndex The index of the top-level window
+
+ @returns The nth top-level window of the application
+
+ @see GetFirstTopLevelWindow, GetNextTopLevelWindow, GetTopWindowCount,
+ GetActiveTopWindow
+ */
+ static vcl::Window* GetTopWindow( tools::Long nIndex );
+
+ /** Get the "active" top window.
+
+ An "active" top window is one that has a child window that has the
+ application's focus.
+
+ @returns the active top window
+
+ @see GetFirstTopLevelWindow, GetNextTopLevelWindow, GetTopWindowCount,
+ GetTopWindow
+ */
+ static vcl::Window* GetActiveTopWindow();
+
+ ///@}
+
+ /** Set the application's name.
+
+ @param rUniqueName What to set the application name to
+
+ @see GetAppName
+ */
+ static void SetAppName( const OUString& rUniqueName );
+
+
+ /** @name Application Name, Branding
+ */
+ ///@{
+
+ /** Get the application's name.
+
+ @returns The application name.
+ */
+ static OUString GetAppName();
+
+ /**
+ * Get the OS version based on the OS specific implementation.
+ *
+ * @return OUString version string or "-" in case of problems
+ */
+ static OUString GetOSVersion();
+
+ /** Get useful OS, Hardware and configuration information,
+ * cf. Help->About, and User-Agent
+ * bSelection = 0 to return all info, 1 for environment only,
+ * and 2 for VCL/render related infos
+ */
+ static OUString GetHWOSConfInfo(const int bSelection = 0, bool bLocalize = true);
+
+ /** Load a localized branding PNG file as a bitmap.
+
+ @param pName Name of the bitmap to load.
+ @param rBitmap Reference to BitmapEx object to load PNG into
+
+ @returns true if the PNG could be loaded, otherwise returns false.
+ */
+ static bool LoadBrandBitmap (std::u16string_view pName, BitmapEx &rBitmap);
+
+ ///@}
+
+ /** @name Display and Screen
+ */
+ ///@{
+
+ /** Set the default name of the application for message dialogs and printing.
+
+ @param rDisplayName const reference to string to set the Display name to.
+
+ @see GetDisplayName
+ */
+ static void SetDisplayName( const OUString& rDisplayName );
+
+ /** Get the default name of the application for message dialogs and printing.
+
+ @returns The display name of the application.
+ */
+ static OUString GetDisplayName();
+
+ /** Get the toolkit's name. e.g. gtk3
+
+ @returns The toolkit name.
+ */
+ static OUString GetToolkitName();
+
+ /** Get the number of screens available for the display.
+
+ @returns The number of screens available.
+
+ @see GetScreenPosSizePixel
+ */
+ static unsigned int GetScreenCount();
+
+ /** Get a screen's rectangular area.
+
+ @param nScreen The number of the screen requested.
+
+ @returns The area of the screen in a Rectangle object.
+
+ @see GetScreenCount
+ */
+ static AbsoluteScreenPixelRectangle GetScreenPosSizePixel( unsigned int nScreen );
+
+ /** Get the "best" screen.
+
+ @returns the return value will be nearest screen of the target rectangle.
+ */
+ SAL_DLLPRIVATE static unsigned int GetBestScreen( const AbsoluteScreenPixelRectangle& );
+
+ /** Get the built-in screen.
+
+ @return
+ This returns the LCD screen number for a laptop, or the primary
+ external VGA display for a desktop machine - it is where a presenter
+ console should be rendered if there are other (non-built-in) screens
+ present.
+
+ @see IsUnifiedDisplay, GetBestScreen
+ */
+ static unsigned int GetDisplayBuiltInScreen();
+
+ /** Get the display's external screen.
+
+ Practically, this means - Get the screen we should run a presentation on.
+
+ @returns 0 or 1 currently, will fallback to the first available screen if
+ there are more than one external screens. May be changed in the future.
+ */
+ static unsigned int GetDisplayExternalScreen();
+
+ ///@}
+
+ /** @name Accelerators and Mnemonics
+
+ Accelerators allow a user to hold down Ctrl+key (or CMD+key on macOS)
+ combination to gain quick access to functionality.
+
+ Mnemonics are underline letters in things like menus and dialog boxes
+ that allow a user to type in the letter to activate the menu or option.
+ */
+ ///@{
+
+ /** Insert accelerator
+
+ @param pAccel Pointer to an Accelerator object to insert
+
+ @returns true if successful, false if otherwise
+
+ @see RemoveAccel
+ */
+ static bool InsertAccel( Accelerator* pAccel );
+
+ /** Remove accelerator
+
+ @param pAccel Pointer to Accelerator object to remove
+
+ @see InsertAccel
+ */
+ static void RemoveAccel( Accelerator const * pAccel );
+
+ /** Get the number of reserved key codes used by the application.
+
+ @returns number of reserved key codes
+
+ @see GetReservedKeyCode
+ */
+ static size_t GetReservedKeyCodeCount();
+
+ /** Get the reserved key code.
+
+ @param i The keycode number to retrieve
+
+ @returns Const pointer to a KeyCode object
+
+ @see GetReservedKeyCodeCount
+ */
+ static const vcl::KeyCode* GetReservedKeyCode( size_t i );
+
+ ///@}
+
+ /** @name Application Help
+
+ Deals with the help system, and "auto-help", where a user hovers a mouse above
+ a UI element and a tooltip with an explanation pops up.
+ */
+ ///@{
+
+ /** Sets up help
+
+ @param pHelp Pointer to a Help object (optional, can by NULL)
+
+ @see GetHelp
+ */
+ static void SetHelp( Help* pHelp = nullptr );
+
+ /** Gets the application's help
+
+ @returns Pointer to application's help object. Note that the application may
+ not have a help object, so it might return NULL.
+
+ @see SetHelp
+ */
+ static Help* GetHelp();
+
+ ///@}
+
+ /** @name Dialogs
+
+ @remark "Dialog cancel mode" tells a headless install whether to
+ cancel dialogs when they appear. See the DialogCancelMode
+ enumerator.
+ */
+ ///@{
+
+ /** Get the default parent window for dialog boxes.
+
+ @remark This is almost always a terrible method to use to get a parent
+ for a dialog, try hard to instead pass a specific parent window
+ to dialogs.
+
+ GetDefDialogParent does all sorts of things to try and find a useful
+ parent window for dialogs. It first uses the topmost parent of the
+ active window to avoid using floating windows or other dialog boxes.
+ If there are no active windows, then it will take a random stab and
+ choose the first visible top window. Otherwise, it defaults to
+ the desktop.
+
+ @returns Pointer to the default window.
+ */
+ static weld::Window* GetDefDialogParent();
+
+
+ /** Gets the dialog cancel mode for headless environments.
+
+ @return DialogCancelMode value
+
+ @see SetDialogCancelMode, IsDialogCancelEnabled
+ */
+ static DialogCancelMode GetDialogCancelMode();
+
+ /** Sets the dialog cancel mode for headless environments.
+
+ This should be private, but XFrameImpl needs to access it and current
+ baseline gcc doesn't support forward definition of anonymous classes.
+ You probably should use EnableHeadlessMode instead.
+
+ @param mode DialogCancel mode value
+
+ @see GetDialogCancelMode, IsDialogCancelEnabled, EnableHeadlessMode
+ */
+ static void SetDialogCancelMode( DialogCancelMode mode );
+
+ /** Determines if dialog cancel mode is enabled.
+
+ @returns True if dialog cancel mode is enabled, false if disabled.
+
+ @see GetDialogCancelMode, SetDialogCancelMode
+ */
+ static bool IsDialogCancelEnabled();
+
+
+ /** Make a dialog box a system window or not.
+
+ @param nMode Can be either: SystemWindowFlags::NOAUTOMODE (0x0001) or
+ SystemWindowFlags::DIALOG (0x0002)
+
+ @see GetSystemWindowMode
+ */
+ static void SetSystemWindowMode( SystemWindowFlags nMode );
+
+ /** Get the system window mode of dialogs.
+
+ @returns SystemWindowFlags::NOAUTOMODE (0x0001) or SystemWindowFlags::DIALOG (0x0002)
+
+ @see SetSystemWindowMode
+ */
+ static SystemWindowFlags GetSystemWindowMode();
+
+ ///@}
+
+ /** @name VCL Toolkit and UNO Wrapper
+
+ The VCL Toolkit implements the UNO XToolkit interface, which specifies a
+ factory interface for the window toolkit. It is similar to the abstract window
+ toolkit (AWT) in Java.
+
+ */
+ ///@{
+
+ /** Gets the VCL toolkit.
+
+ @attention The global service manager has to be created before getting the toolkit!
+
+ @returns UNO reference to VCL toolkit
+ */
+ static css::uno::Reference< css::awt::XToolkit > GetVCLToolkit();
+
+ ///@}
+
+
+ /*** @name Graphic Filters
+ */
+ ///@{
+
+ /** Setup a new graphics filter
+
+ @param rLink Const reference to a Link object, which the filter calls upon.
+
+ @see GetFilterHdl
+ */
+ static void SetFilterHdl( const Link<ConvertData&,bool>& rLink );
+
+ ///@}
+
+ /** @name Headless Mode
+ */
+
+ /** Enables headless mode.
+
+ @param dialogsAreFatal Set to true if a dialog ends the session, false if not.
+ */
+ static void EnableHeadlessMode( bool dialogsAreFatal );
+
+ /** Determines if headless mode is enabled
+
+ @return True if headless mode is enabled, false if not.
+ */
+ static bool IsHeadlessModeEnabled();
+
+ /** Enable Console Only mode
+
+ Convenience function to enable headless and bitmap rendering.
+ */
+ static void EnableConsoleOnly();
+
+ /** Enable software-only bitmap rendering
+ */
+ static void EnableBitmapRendering();
+
+ /** Determines if bitmap rendering is enabled
+
+ @return True if bitmap rendering is enabled.
+ */
+ static bool IsBitmapRendering();
+
+ ///@}
+
+ /** Set safe mode to enabled */
+ static void EnableSafeMode();
+
+ /** Determines if safe mode is enabled */
+ static bool IsSafeModeEnabled();
+
+ ///@}
+
+ /** Get the desktop environment the process is currently running in
+
+ @returns String representing the desktop environment
+ */
+ static const OUString& GetDesktopEnvironment();
+
+ /*** @name Platform Functionality
+ */
+ ///@{
+
+ /** Add a file to the system shells recent document list if there is any.
+ This function may have no effect under Unix because there is no standard
+ API among the different desktop managers.
+
+ @param rFileUrl The file url of the document.
+
+ @param rMimeType The mime content type of the document specified by aFileUrl.
+ If an empty string will be provided "application/octet-stream"
+ will be used.
+
+ @param rDocumentService The app (or "document service") you will be adding the file to
+ e.g. com.sun.star.text.TextDocument
+ */
+ static void AddToRecentDocumentList(const OUString& rFileUrl, const OUString& rMimeType, const OUString& rDocumentService);
+
+ /*** Show a native error messagebox
+
+ @param sTitle Title of error messagebox
+
+ @param sMessage Message displayed in messagebox
+ */
+ static void ShowNativeErrorBox(const OUString& sTitle ,
+ const OUString& sMessage);
+
+ /** Update main thread identifier */
+ static void UpdateMainThread();
+
+ /** Do we have a native / system file selector available?
+
+ @returns True if native file selector is available, false otherwise.
+ */
+ static bool hasNativeFileSelection();
+
+ /** Create a platform specific file picker, if one is available, otherwise return an
+ empty reference.
+
+ @param rServiceManager Const reference to a UNO component context (service manager).
+
+ @returns File picker if available, otherwise an empty reference.
+ */
+ static css::uno::Reference< css::ui::dialogs::XFilePicker2 >
+ createFilePicker( const css::uno::Reference< css::uno::XComponentContext >& rServiceManager );
+
+ /** Create a platform specific folder picker, if one is available, otherwise return an
+ empty reference
+
+ @param rServiceManager Const reference to a UNO component context (service manager).
+
+ @returns Folder picker if available, otherwise an empty reference.
+ */
+ static css::uno::Reference< css::ui::dialogs::XFolderPicker2 >
+ createFolderPicker( const css::uno::Reference< css::uno::XComponentContext >& rServiceManager );
+
+ /** Returns true, if the VCL plugin runs on the system event loop.
+ *
+ * AKA the VCL plugin can't handle nested event loops, like WASM or mobile.
+ */
+ static bool IsOnSystemEventLoop();
+
+ ///@}
+
+ // For vclbootstrapprotector:
+ static void setDeInitHook(Link<LinkParamNone*,void> const & hook);
+
+ static std::unique_ptr<weld::Builder> CreateBuilder(weld::Widget* pParent, const OUString &rUIFile, bool bMobile = false, sal_uInt64 nLOKWindowId = 0);
+ // For the duration of vcl parent windows
+ static std::unique_ptr<weld::Builder> CreateInterimBuilder(vcl::Window* pParent, const OUString &rUIFile, bool bAllowCycleFocusOut, sal_uInt64 nLOKWindowId = 0);
+
+ static weld::MessageDialog* CreateMessageDialog(weld::Widget* pParent, VclMessageType eMessageType,
+ VclButtonsType eButtonType, const OUString& rPrimaryMessage,
+ const ILibreOfficeKitNotifier* pNotifier = nullptr);
+
+ static weld::Window* GetFrameWeld(const css::uno::Reference<css::awt::XWindow>& rWindow);
+
+ // ILibreOfficeKitNotifier
+ void* m_pCallbackData;
+ LibreOfficeKitCallback m_pCallback;
+
+ virtual void notifyWindow(vcl::LOKWindowId nLOKWindowId,
+ const OUString& rAction,
+ const std::vector<vcl::LOKPayloadItem>& rPayload = std::vector<vcl::LOKPayloadItem>()) const override;
+ virtual void libreOfficeKitViewCallback(int nType, const OString& pPayload) const override;
+ virtual void notifyInvalidation(tools::Rectangle const *) const override;
+
+
+private:
+ DECL_DLLPRIVATE_STATIC_LINK( Application, PostEventHandler, void*, void );
+};
+
+class SolarMutexGuard
+ : public osl::Guard<comphelper::SolarMutex>
+{
+public:
+ SolarMutexGuard()
+ : osl::Guard<comphelper::SolarMutex>( Application::GetSolarMutex() ) {}
+};
+
+class SolarMutexClearableGuard
+ : public osl::ClearableGuard<comphelper::SolarMutex>
+{
+public:
+ SolarMutexClearableGuard()
+ : osl::ClearableGuard<comphelper::SolarMutex>( Application::GetSolarMutex() ) {}
+};
+
+class SolarMutexResettableGuard
+ : public osl::ResettableGuard<comphelper::SolarMutex>
+{
+public:
+ SolarMutexResettableGuard()
+ : osl::ResettableGuard<comphelper::SolarMutex>( Application::GetSolarMutex() ) {}
+};
+
+namespace vcl
+{
+
+/** guard class that uses tryToAcquire() and has isAcquired() to check
+ */
+class SolarMutexTryAndBuyGuard
+{
+private:
+ bool m_isAcquired;
+#ifdef DBG_UTIL
+ bool m_isChecked;
+#endif
+ comphelper::SolarMutex& m_rSolarMutex;
+
+ SolarMutexTryAndBuyGuard(const SolarMutexTryAndBuyGuard&) = delete;
+ SolarMutexTryAndBuyGuard& operator=(const SolarMutexTryAndBuyGuard&) = delete;
+
+public:
+
+ SolarMutexTryAndBuyGuard()
+ : m_isAcquired(false)
+#ifdef DBG_UTIL
+ , m_isChecked(false)
+#endif
+ , m_rSolarMutex(Application::GetSolarMutex())
+
+ {
+ m_isAcquired = m_rSolarMutex.tryToAcquire();
+ }
+
+ ~SolarMutexTryAndBuyGuard()
+ {
+#ifdef DBG_UTIL
+ assert(m_isChecked);
+#endif
+ if (m_isAcquired)
+ m_rSolarMutex.release();
+ }
+
+ bool isAcquired()
+ {
+#ifdef DBG_UTIL
+ m_isChecked = true;
+#endif
+ return m_isAcquired;
+ }
+};
+
+} // namespace vcl
+
+/**
+ A helper class that calls Application::ReleaseSolarMutex() in its constructor
+ and restores the mutex in its destructor.
+*/
+class SolarMutexReleaser
+{
+ const sal_uInt32 mnReleased;
+public:
+ SolarMutexReleaser(): mnReleased(Application::ReleaseSolarMutex()) {}
+ ~SolarMutexReleaser() { Application::AcquireSolarMutex( mnReleased ); }
+};
+
+VCL_DLLPUBLIC Application* GetpApp();
+
+// returns true if vcl is already initialized
+VCL_DLLPUBLIC bool IsVCLInit();
+// returns true if vcl successfully initializes or was already initialized
+VCL_DLLPUBLIC bool InitVCL();
+VCL_DLLPUBLIC void DeInitVCL();
+
+VCL_DLLPUBLIC bool InitAccessBridge();
+
+// only allowed to call, if no thread is running. You must call JoinMainLoopThread to free all memory.
+VCL_DLLPUBLIC void CreateMainLoopThread( oslWorkerFunction pWorker, void * pThreadData );
+VCL_DLLPUBLIC void JoinMainLoopThread();
+
+/// The following are to manage per-view (frame) help data.
+struct ImplSVHelpData;
+VCL_DLLPUBLIC ImplSVHelpData* CreateSVHelpData();
+VCL_DLLPUBLIC void DestroySVHelpData(ImplSVHelpData*);
+VCL_DLLPUBLIC void SetSVHelpData(ImplSVHelpData*);
+
+/// The following are to manage per-view (frame) window data.
+struct ImplSVWinData;
+VCL_DLLPUBLIC ImplSVWinData* CreateSVWinData();
+VCL_DLLPUBLIC void DestroySVWinData(ImplSVWinData*);
+VCL_DLLPUBLIC void SetSVWinData(ImplSVWinData*);
+
+inline void Application::EndYield()
+{
+ PostUserEvent( Link<void*,void>() );
+}
+
+#endif // _APP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */