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Duplicate Project in ProjectWindows
Patch imported by Audacity and adapted for Tenacity. Original commit: 6477c9e0a6cb93b781c6c83153f1d036a7cc4c13 Signed-off-by: Panagiotis Vasilopoulos <[email protected]>
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‎src/ProjectWindows.cpp‎

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/**********************************************************************
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Audacity: A Digital Audio Editor
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Project.cpp
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Dominic Mazzoni
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Vaughan Johnson
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*//*******************************************************************/
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#include "Project.h"
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#include "widgets/wxWidgetsBasicUI.h"
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#include <wx/display.h>
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#include <wx/filename.h>
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#include <wx/frame.h>
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wxDEFINE_EVENT(EVT_TRACK_PANEL_TIMER, wxCommandEvent);
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size_t AllProjects::size() const
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{
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return gAudacityProjects.size();
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}
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auto AllProjects::begin() const -> const_iterator
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{
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return gAudacityProjects.begin();
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}
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auto AllProjects::end() const -> const_iterator
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{
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return gAudacityProjects.end();
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}
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auto AllProjects::rbegin() const -> const_reverse_iterator
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{
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return gAudacityProjects.rbegin();
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}
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auto AllProjects::rend() const -> const_reverse_iterator
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{
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return gAudacityProjects.rend();
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}
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auto AllProjects::Remove( AudacityProject &project ) -> value_type
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{
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std::lock_guard<std::mutex> guard{ Mutex() };
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auto start = begin(), finish = end(), iter = std::find_if(
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start, finish,
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[&]( const value_type &ptr ){ return ptr.get() == &project; }
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);
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if (iter == finish)
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return nullptr;
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auto result = *iter;
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gAudacityProjects.erase( iter );
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return result;
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}
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void AllProjects::Add( const value_type &pProject )
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{
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if (!pProject) {
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wxASSERT(false);
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return;
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}
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std::lock_guard<std::mutex> guard{ Mutex() };
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gAudacityProjects.push_back( pProject );
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}
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std::mutex &AllProjects::Mutex()
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{
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static std::mutex theMutex;
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return theMutex;
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}
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int AudacityProject::mProjectCounter=0;// global counter.
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/* Define Global Variables */
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//This array holds onto all of the projects currently open
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AllProjects::Container AllProjects::gAudacityProjects;
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AudacityProject::AudacityProject()
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{
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mProjectNo = mProjectCounter++; // Bug 322
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AttachedObjects::BuildAll();
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// But not for the attached windows. They get built only on demand, such as
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// from menu items.
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}
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AudacityProject::~AudacityProject()
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{
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}
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void AudacityProject::SetFrame( wxFrame *pFrame )
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{
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mFrame = pFrame;
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}
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void AudacityProject::SetPanel( wxWindow *pPanel )
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{
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mPanel = pPanel;
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}
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const wxString &AudacityProject::GetProjectName() const
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{
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return mName;
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}
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void AudacityProject::SetProjectName(const wxString &name)
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{
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mName = name;
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}
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FilePath AudacityProject::GetInitialImportPath() const
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{
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return mInitialImportPath;
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}
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void AudacityProject::SetInitialImportPath(const FilePath &path)
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{
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if (mInitialImportPath.empty())
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{
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mInitialImportPath = path;
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}
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}
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TENACITY_DLL_API wxFrame &GetProjectFrame( AudacityProject &project )
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{
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auto ptr = project.GetFrame();
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if ( !ptr )
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THROW_INCONSISTENCY_EXCEPTION;
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return *ptr;
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}
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TENACITY_DLL_API const wxFrame &GetProjectFrame( const AudacityProject &project )
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{
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auto ptr = project.GetFrame();
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if ( !ptr )
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THROW_INCONSISTENCY_EXCEPTION;
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return *ptr;
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}
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std::unique_ptr<const BasicUI::WindowPlacement>
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ProjectFramePlacement( AudacityProject *project )
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{
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if (!project)
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return std::make_unique<BasicUI::WindowPlacement>();
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return std::make_unique<wxWidgetsWindowPlacement>(
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&GetProjectFrame(*project));
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}
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TENACITY_DLL_API wxWindow &GetProjectPanel( AudacityProject &project )
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{
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auto ptr = project.GetPanel();
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if ( !ptr )
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THROW_INCONSISTENCY_EXCEPTION;
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return *ptr;
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}
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TENACITY_DLL_API const wxWindow &GetProjectPanel(
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const AudacityProject &project )
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{
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auto ptr = project.GetPanel();
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if ( !ptr )
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THROW_INCONSISTENCY_EXCEPTION;
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return *ptr;
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}
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// Generate the needed, linkable registry functions
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DEFINE_XML_METHOD_REGISTRY( ProjectFileIORegistry );

‎src/ProjectWindows.h‎

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/**********************************************************************
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Audacity: A Digital Audio Editor
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Project.h
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Dominic Mazzoni
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**********************************************************************/
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#ifndef __AUDACITY_PROJECT__
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#define __AUDACITY_PROJECT__
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#include "Identifier.h"
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#include "ClientData.h" // to inherit
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#include <memory>
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#include <mutex>
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#include <wx/weakref.h> // member variable
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#include <wx/window.h> // MSVC wants this
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class wxFrame;
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class wxWindow;
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namespace BasicUI { class WindowPlacement; }
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class AudacityProject;
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//! Like a standard library container of all open projects.
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//! @invariant pointers accessible through the iterators are not null
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/*!
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So you can iterate easily over shared pointers to them with range-for :
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for (auto pProject : AllProjects{}) { ... }
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The pointers are never null.
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However iterators will be invalid if addition or deletion of projects occur
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during traversal.
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*/
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class AUDACITY_DLL_API AllProjects
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{
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// Use shared_ptr to projects, because elsewhere we need weak_ptr
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using AProjectHolder = std::shared_ptr< AudacityProject >;
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using Container = std::vector< AProjectHolder >;
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static Container gAudacityProjects;
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public:
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AllProjects() = default;
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size_t size() const;
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bool empty() const { return size() == 0; }
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using const_iterator = Container::const_iterator;
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const_iterator begin() const;
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const_iterator end() const;
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using const_reverse_iterator = Container::const_reverse_iterator;
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const_reverse_iterator rbegin() const;
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const_reverse_iterator rend() const;
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using value_type = Container::value_type;
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// If the project is present, remove it from the global array and return
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// a shared pointer, else return null. This invalidates any iterators.
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value_type Remove( AudacityProject &project );
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//! This invalidates iterators
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/*!
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@pre pProject is not null
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*/
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void Add( const value_type &pProject );
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/// In case you must iterate in a non-main thread, use this to prevent
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/// changes in the set of open projects
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static std::mutex &Mutex();
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};
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// Container of various objects associated with the project, which is
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// responsible for destroying them
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using AttachedProjectObjects = ClientData::Site<
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AudacityProject, ClientData::Base, ClientData::SkipCopying, std::shared_ptr
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>;
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// Container of pointers to various windows associated with the project, which
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// is not responsible for destroying them -- wxWidgets handles that instead
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using AttachedProjectWindows = ClientData::Site<
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AudacityProject, wxWindow, ClientData::SkipCopying, ClientData::BarePtr
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>;
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wxDECLARE_EXPORTED_EVENT(AUDACITY_DLL_API,
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EVT_TRACK_PANEL_TIMER, wxCommandEvent);
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///\brief The top-level handle to an Audacity project. It serves as a source
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/// of events that other objects can bind to, and a container of associated
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/// sub-objects that it treats opaquely. It stores a filename and a status
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/// message and a few other things.
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/// There is very little in this class, most of the intelligence residing in
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/// the cooperating attached objects.
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class AUDACITY_DLL_API AudacityProject final
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: public wxEvtHandler
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, public AttachedProjectObjects
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, public AttachedProjectWindows
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, public std::enable_shared_from_this<AudacityProject>
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{
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public:
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using AttachedObjects = ::AttachedProjectObjects;
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using AttachedWindows = ::AttachedProjectWindows;
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AudacityProject();
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virtual ~AudacityProject();
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wxFrame *GetFrame() { return mFrame; }
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const wxFrame *GetFrame() const { return mFrame; }
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void SetFrame( wxFrame *pFrame );
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wxWindow *GetPanel() { return mPanel; }
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const wxWindow *GetPanel() const { return mPanel; }
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void SetPanel( wxWindow *pPanel );
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int GetProjectNumber(){ return mProjectNo;}
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// Project name can be either empty or have the name of the project.
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//
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// If empty, it signifies that the project is empty/unmodified or
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// that the project hasn't yet been saved to a permanent project
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// file.
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//
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// If a name has been assigned, it is merely used to identify
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// the project and should not be used for any other purposes.
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const wxString &GetProjectName() const;
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void SetProjectName(const wxString &name);
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// Used exclusively in batch mode, this allows commands to remember
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// and use the initial import path
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FilePath GetInitialImportPath() const;
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void SetInitialImportPath(const FilePath &path);
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private:
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// The project's name
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wxString mName;
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static int mProjectCounter;// global counter.
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int mProjectNo; // count when this project was created.
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FilePath mInitialImportPath;
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public:
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bool mbBusyImporting{ false }; // used to fix bug 584
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int mBatchMode{ 0 };// 0 means not, >0 means in batch mode.
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private:
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wxWeakRef< wxFrame > mFrame{};
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wxWeakRef< wxWindow > mPanel{};
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};
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///\brief Get the top-level window associated with the project (as a wxFrame
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/// only, when you do not need to use the subclass ProjectWindow)
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AUDACITY_DLL_API wxFrame &GetProjectFrame( AudacityProject &project );
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AUDACITY_DLL_API const wxFrame &GetProjectFrame( const AudacityProject &project );
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///\brief Get a pointer to the window associated with a project, or null if
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/// the given pointer is null.
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inline wxFrame *FindProjectFrame( AudacityProject *project ) {
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return project ? &GetProjectFrame( *project ) : nullptr;
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}
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inline const wxFrame *FindProjectFrame( const AudacityProject *project ) {
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return project ? &GetProjectFrame( *project ) : nullptr;
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}
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//! Make a WindowPlacement object suitable for `project` (which may be null)
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/*! @post return value is not null */
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AUDACITY_DLL_API std::unique_ptr<const BasicUI::WindowPlacement>
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ProjectFramePlacement( AudacityProject *project );
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///\brief Get the main sub-window of the project frame that displays track data
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// (as a wxWindow only, when you do not need to use the subclass TrackPanel)
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AUDACITY_DLL_API wxWindow &GetProjectPanel( AudacityProject &project );
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AUDACITY_DLL_API const wxWindow &GetProjectPanel(
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const AudacityProject &project );
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// Generate a registry for serialized data attached to the project
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#include "XMLMethodRegistry.h"
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class AudacityProject;
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using ProjectFileIORegistry = XMLMethodRegistry<AudacityProject>;
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DECLARE_XML_METHOD_REGISTRY( AUDACITY_DLL_API, ProjectFileIORegistry );
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#endif

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