X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/575e4cd67024ca1c49b4218ce748c68aa938ce27..ba5619e07600355a9823f9d2dcfab56cdcbbfb07:/include/wx/docview.h diff --git a/include/wx/docview.h b/include/wx/docview.h index a7c6df2620..6f678c9b29 100644 --- a/include/wx/docview.h +++ b/include/wx/docview.h @@ -19,6 +19,7 @@ #include "wx/list.h" #include "wx/string.h" #include "wx/frame.h" +#include "wx/filehistory.h" #if wxUSE_PRINTING_ARCHITECTURE #include "wx/print.h" @@ -31,9 +32,10 @@ class WXDLLIMPEXP_FWD_CORE wxDocTemplate; class WXDLLIMPEXP_FWD_CORE wxDocManager; class WXDLLIMPEXP_FWD_CORE wxPrintInfo; class WXDLLIMPEXP_FWD_CORE wxCommandProcessor; -class WXDLLIMPEXP_FWD_CORE wxFileHistory; class WXDLLIMPEXP_FWD_BASE wxConfigBase; +class wxDocChildFrameAnyBase; + #if wxUSE_STD_IOSTREAM #include "wx/iosfwrap.h" #else @@ -107,7 +109,7 @@ public: // modified to false) virtual bool OnSaveModified(); - // if you override, remember to call the default + // if you override, remember to call the default // implementation (wxDocument::OnChangeFilename) virtual void OnChangeFilename(bool notifyViews); @@ -131,7 +133,7 @@ public: virtual bool Draw(wxDC&); virtual bool IsModified() const { return m_documentModified; } - virtual void Modify(bool mod) { m_documentModified = mod; } + virtual void Modify(bool mod); virtual bool AddView(wxView *view); virtual bool RemoveView(wxView *view); @@ -190,7 +192,7 @@ protected: private: DECLARE_ABSTRACT_CLASS(wxDocument) - DECLARE_NO_COPY_CLASS(wxDocument) + wxDECLARE_NO_COPY_CLASS(wxDocument); }; class WXDLLIMPEXP_CORE wxView: public wxEvtHandler @@ -241,17 +243,26 @@ public: virtual wxPrintout *OnCreatePrintout(); #endif + // implementation only + // ------------------- + + // set the associated frame, it is used to reset its view when we're + // destroyed + void SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame); + protected: // hook the document into event handlers chain here - virtual bool TryValidator(wxEvent& event); + virtual bool TryBefore(wxEvent& event); wxDocument* m_viewDocument; wxString m_viewTypeName; wxWindow* m_viewFrame; + wxDocChildFrameAnyBase *m_docChildFrame; + private: DECLARE_ABSTRACT_CLASS(wxView) - DECLARE_NO_COPY_CLASS(wxView) + wxDECLARE_NO_COPY_CLASS(wxView); }; // Represents user interface (and other) properties of documents and views @@ -336,7 +347,7 @@ protected: private: DECLARE_CLASS(wxDocTemplate) - DECLARE_NO_COPY_CLASS(wxDocTemplate) + wxDECLARE_NO_COPY_CLASS(wxDocTemplate); }; // One object of this class may be created in an application, to manage all @@ -366,6 +377,7 @@ public: // Handlers for UI update commands void OnUpdateFileOpen(wxUpdateUIEvent& event); void OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event); + void OnUpdateFileRevert(wxUpdateUIEvent& event); void OnUpdateFileNew(wxUpdateUIEvent& event); void OnUpdateFileSave(wxUpdateUIEvent& event); void OnUpdateUndo(wxUpdateUIEvent& event); @@ -466,8 +478,14 @@ public: #endif // WXWIN_COMPATIBILITY_2_6 protected: +#if wxUSE_PRINTING_ARCHITECTURE + virtual wxPreviewFrame* CreatePreviewFrame(wxPrintPreviewBase* preview, + wxWindow *parent, + const wxString& title); +#endif // wxUSE_PRINTING_ARCHITECTURE + // hook the currently active view into event handlers chain here - virtual bool TryValidator(wxEvent& event); + virtual bool TryBefore(wxEvent& event); // return the command processor for the current document, if any wxCommandProcessor *GetCurrentCommandProcessor() const; @@ -489,7 +507,7 @@ protected: DECLARE_EVENT_TABLE() DECLARE_DYNAMIC_CLASS(wxDocManager) - DECLARE_NO_COPY_CLASS(wxDocManager) + wxDECLARE_NO_COPY_CLASS(wxDocManager); }; #if WXWIN_COMPATIBILITY_2_6 @@ -500,45 +518,243 @@ inline size_t wxDocManager::GetNoHistoryFiles() const #endif // WXWIN_COMPATIBILITY_2_6 // ---------------------------------------------------------------------------- -// A default child frame +// Base class for child frames -- this is what wxView renders itself into +// +// Notice that this is a mix-in class so it doesn't derive from wxWindow, only +// wxDocChildFrameAny does // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_CORE wxDocChildFrame : public wxFrame +class WXDLLIMPEXP_CORE wxDocChildFrameAnyBase { public: - wxDocChildFrame(wxDocument *doc, - wxView *view, - wxFrame *frame, - wxWindowID id, - const wxString& title, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long type = wxDEFAULT_FRAME_STYLE, - const wxString& name = wxFrameNameStr); - virtual ~wxDocChildFrame(){} - - void OnActivate(wxActivateEvent& event); - void OnCloseWindow(wxCloseEvent& event); + // default ctor, use Create() after it + wxDocChildFrameAnyBase() + { + m_childDocument = NULL; + m_childView = NULL; + m_win = NULL; + } + + // full ctor equivalent to using the default one and Create(0 + wxDocChildFrameAnyBase(wxDocument *doc, wxView *view, wxWindow *win) + { + Create(doc, view, win); + } + + // method which must be called for an object created using the default ctor + // + // note that it returns bool just for consistency with Create() methods in + // other classes, we never return false from here + bool Create(wxDocument *doc, wxView *view, wxWindow *win) + { + m_childDocument = doc; + m_childView = view; + m_win = win; + + if ( view ) + view->SetDocChildFrame(this); + + return true; + } + + // dtor doesn't need to be virtual, an object should never be destroyed via + // a pointer to this class + ~wxDocChildFrameAnyBase() + { + // prevent the view from deleting us if we're being deleted directly + // (and not via Close() + Destroy()) + if ( m_childView ) + m_childView->SetDocChildFrame(NULL); + } wxDocument *GetDocument() const { return m_childDocument; } wxView *GetView() const { return m_childView; } void SetDocument(wxDocument *doc) { m_childDocument = doc; } void SetView(wxView *view) { m_childView = view; } - bool Destroy() { m_childView = NULL; return wxFrame::Destroy(); } + + wxWindow *GetWindow() const { return m_win; } protected: - // hook the child view into event handlers chain here - virtual bool TryValidator(wxEvent& event); + // we're not a wxEvtHandler but we provide this wxEvtHandler-like function + // which is called from TryBefore() of the derived classes to give our view + // a chance to process the message before the frame event handlers are used + bool TryProcessEvent(wxEvent& event) + { + return m_childView && m_childView->ProcessEventHere(event); + } + + // called from EVT_CLOSE handler in the frame: check if we can close and do + // cleanup if so; veto the event otherwise + bool CloseView(wxCloseEvent& event); + wxDocument* m_childDocument; wxView* m_childView; + // the associated window: having it here is not terribly elegant but it + // allows us to avoid having any virtual functions in this class + wxWindow* m_win; + + + wxDECLARE_NO_COPY_CLASS(wxDocChildFrameAnyBase); +}; + +// ---------------------------------------------------------------------------- +// Template implementing child frame concept using the given wxFrame-like class +// +// This is used to define wxDocChildFrame and wxDocMDIChildFrame: ChildFrame is +// a wxFrame or wxMDIChildFrame (although in theory it could be any wxWindow- +// derived class as long as it provided a ctor with the same signature as +// wxFrame and OnActivate() method) and ParentFrame is either wxFrame or +// wxMDIParentFrame. +// ---------------------------------------------------------------------------- + +template +class WXDLLIMPEXP_CORE wxDocChildFrameAny : public ChildFrame, + public wxDocChildFrameAnyBase +{ +public: + typedef ChildFrame BaseClass; + + // default ctor, use Create after it + wxDocChildFrameAny() { } + + // ctor for a frame showing the given view of the specified document + wxDocChildFrameAny(wxDocument *doc, + wxView *view, + ParentFrame *parent, + wxWindowID id, + const wxString& title, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxDEFAULT_FRAME_STYLE, + const wxString& name = wxFrameNameStr) + { + Create(doc, view, parent, id, title, pos, size, style, name); + } + + bool Create(wxDocument *doc, + wxView *view, + ParentFrame *parent, + wxWindowID id, + const wxString& title, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxDEFAULT_FRAME_STYLE, + const wxString& name = wxFrameNameStr) + { + if ( !wxDocChildFrameAnyBase::Create(doc, view, this) ) + return false; + + if ( !BaseClass::Create(parent, id, title, pos, size, style, name) ) + return false; + + this->Connect(wxEVT_ACTIVATE, + wxActivateEventHandler(wxDocChildFrameAny::OnActivate)); + this->Connect(wxEVT_CLOSE_WINDOW, + wxCloseEventHandler(wxDocChildFrameAny::OnCloseWindow)); + + return true; + } + + virtual bool Destroy() + { + // FIXME: why exactly do we do this? to avoid activation events during + // destructions maybe? + m_childView = NULL; + return BaseClass::Destroy(); + } + +protected: + // hook the child view into event handlers chain here + virtual bool TryBefore(wxEvent& event) + { + return TryProcessEvent(event) || BaseClass::TryBefore(event); + } + +private: + void OnActivate(wxActivateEvent& event) + { + BaseClass::OnActivate(event); + + if ( m_childView ) + m_childView->Activate(event.GetActive()); + } + + void OnCloseWindow(wxCloseEvent& event) + { + if ( CloseView(event) ) + Destroy(); + //else: vetoed + } + + wxDECLARE_NO_COPY_TEMPLATE_CLASS_2(wxDocChildFrameAny, + ChildFrame, ParentFrame); +}; + +// ---------------------------------------------------------------------------- +// A default child frame: we need to define it as a class just for wxRTTI, +// otherwise we could simply typedef it +// ---------------------------------------------------------------------------- + +#ifdef __VISUALC6__ + // "non dll-interface class 'wxDocChildFrameAny<>' used as base interface + // for dll-interface class 'wxDocChildFrame'" -- this is bogus as the + // template will be DLL-exported but only once it is used as base class + // here! + #pragma warning (push) + #pragma warning (disable:4275) +#endif + +typedef wxDocChildFrameAny wxDocChildFrameBase; + +class WXDLLIMPEXP_CORE wxDocChildFrame : public wxDocChildFrameBase +{ +public: + wxDocChildFrame() + { + } + + wxDocChildFrame(wxDocument *doc, + wxView *view, + wxFrame *parent, + wxWindowID id, + const wxString& title, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxDEFAULT_FRAME_STYLE, + const wxString& name = wxFrameNameStr) + : wxDocChildFrameBase(doc, view, + parent, id, title, pos, size, style, name) + { + } + + bool Create(wxDocument *doc, + wxView *view, + wxFrame *parent, + wxWindowID id, + const wxString& title, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxDEFAULT_FRAME_STYLE, + const wxString& name = wxFrameNameStr) + { + return wxDocChildFrameBase::Create + ( + doc, view, + parent, id, title, pos, size, style, name + ); + } + private: DECLARE_CLASS(wxDocChildFrame) - DECLARE_EVENT_TABLE() - DECLARE_NO_COPY_CLASS(wxDocChildFrame) + wxDECLARE_NO_COPY_CLASS(wxDocChildFrame); }; +#ifdef __VISUALC6__ + #pragma warning (pop) +#endif + // ---------------------------------------------------------------------------- // A default parent frame // ---------------------------------------------------------------------------- @@ -573,7 +789,7 @@ public: protected: // hook the document manager into event handling chain here - virtual bool TryValidator(wxEvent& event); + virtual bool TryBefore(wxEvent& event); wxDocManager *m_docManager; @@ -581,7 +797,7 @@ private: typedef wxFrame base_type; DECLARE_CLASS(wxDocParentFrame) DECLARE_EVENT_TABLE() - DECLARE_NO_COPY_CLASS(wxDocParentFrame) + wxDECLARE_NO_COPY_CLASS(wxDocParentFrame); }; // ---------------------------------------------------------------------------- @@ -608,76 +824,10 @@ protected: private: DECLARE_DYNAMIC_CLASS(wxDocPrintout) - DECLARE_NO_COPY_CLASS(wxDocPrintout) + wxDECLARE_NO_COPY_CLASS(wxDocPrintout); }; #endif // wxUSE_PRINTING_ARCHITECTURE -// ---------------------------------------------------------------------------- -// File history management -// ---------------------------------------------------------------------------- - -class WXDLLIMPEXP_CORE wxFileHistory : public wxObject -{ -public: - wxFileHistory(size_t maxFiles = 9, wxWindowID idBase = wxID_FILE1); - - // Operations - virtual void AddFileToHistory(const wxString& file); - virtual void RemoveFileFromHistory(size_t i); - virtual int GetMaxFiles() const { return (int)m_fileMaxFiles; } - virtual void UseMenu(wxMenu *menu); - - // Remove menu from the list (MDI child may be closing) - virtual void RemoveMenu(wxMenu *menu); - -#if wxUSE_CONFIG - virtual void Load(const wxConfigBase& config); - virtual void Save(wxConfigBase& config); -#endif // wxUSE_CONFIG - - virtual void AddFilesToMenu(); - virtual void AddFilesToMenu(wxMenu* menu); // Single menu - - // Accessors - virtual wxString GetHistoryFile(size_t i) const { return m_fileHistory[i]; } - virtual size_t GetCount() const { return m_fileHistory.GetCount(); } - - const wxList& GetMenus() const { return m_fileMenus; } - - // Set/get base id - void SetBaseId(wxWindowID baseId) { m_idBase = baseId; } - wxWindowID GetBaseId() const { return m_idBase; } - -#if WXWIN_COMPATIBILITY_2_6 - // deprecated, use GetCount() instead - wxDEPRECATED( size_t GetNoHistoryFiles() const ); -#endif // WXWIN_COMPATIBILITY_2_6 - -protected: - // Last n files - wxArrayString m_fileHistory; - - // Menus to maintain (may need several for an MDI app) - wxList m_fileMenus; - - // Max files to maintain - size_t m_fileMaxFiles; - -private: - // The ID of the first history menu item (Doesn't have to be wxID_FILE1) - wxWindowID m_idBase; - - DECLARE_DYNAMIC_CLASS(wxFileHistory) - DECLARE_NO_COPY_CLASS(wxFileHistory) -}; - -#if WXWIN_COMPATIBILITY_2_6 -inline size_t wxFileHistory::GetNoHistoryFiles() const -{ - return m_fileHistory.GetCount(); -} -#endif // WXWIN_COMPATIBILITY_2_6 - // For compatibility with existing file formats: // converts from/to a stream to/from a temporary file. #if wxUSE_STD_IOSTREAM