X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/56d7679d3ef0bf4d761d791df00ce17ecd662014..5f5183d34bbf704e3426673a080d19cf280d5a96:/src/common/docview.cpp?ds=sidebyside diff --git a/src/common/docview.cpp b/src/common/docview.cpp index a6687e39a6..38dd2f9363 100644 --- a/src/common/docview.cpp +++ b/src/common/docview.cpp @@ -1,11 +1,11 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: docview.cpp +// Name: src/common/docview.cpp // Purpose: Document/view classes // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem +// Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "docview.h" #endif @@ -40,6 +40,13 @@ #include "wx/list.h" #include "wx/filedlg.h" #include "wx/intl.h" + #include "wx/log.h" +#endif + +#include "wx/ffile.h" + +#ifdef __WXMAC__ + #include "wx/filename.h" #endif #ifdef __WXGTK__ @@ -55,6 +62,8 @@ #include "wx/choicdlg.h" #include "wx/docview.h" #include "wx/confbase.h" +#include "wx/file.h" +#include "wx/cmdproc.h" #include #include @@ -71,31 +80,34 @@ #endif // ---------------------------------------------------------------------------- -// wxWindows macros +// wxWidgets macros // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY - IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler) - IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler) - IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject) - IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler) - IMPLEMENT_CLASS(wxDocChildFrame, wxFrame) - IMPLEMENT_CLASS(wxDocParentFrame, wxFrame) - - #if wxUSE_PRINTING_ARCHITECTURE - IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout) - #endif - - IMPLEMENT_CLASS(wxCommand, wxObject) - IMPLEMENT_DYNAMIC_CLASS(wxCommandProcessor, wxObject) - IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject) +IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler) +IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler) +IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject) +IMPLEMENT_DYNAMIC_CLASS(wxDocManager, wxEvtHandler) +IMPLEMENT_CLASS(wxDocChildFrame, wxFrame) +IMPLEMENT_CLASS(wxDocParentFrame, wxFrame) + +#if wxUSE_PRINTING_ARCHITECTURE + IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout) #endif +IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject) + // ---------------------------------------------------------------------------- // function prototypes // ---------------------------------------------------------------------------- static inline wxString FindExtension(const wxChar *path); +static wxWindow* wxFindSuitableParent(void); + +// ---------------------------------------------------------------------------- +// local constants +// ---------------------------------------------------------------------------- + +static const wxChar *s_MRUEntryFormat = wxT("&%d %s"); // ============================================================================ // implementation @@ -124,6 +136,7 @@ wxDocument::wxDocument(wxDocument *parent) m_documentModified = FALSE; m_documentParent = parent; m_documentTemplate = (wxDocTemplate *) NULL; + m_commandProcessor = (wxCommandProcessor*) NULL; m_savedYet = FALSE; } @@ -139,7 +152,8 @@ wxDocument::~wxDocument() if (m_commandProcessor) delete m_commandProcessor; - GetDocumentManager()->RemoveDocument(this); + if (GetDocumentManager()) + GetDocumentManager()->RemoveDocument(this); // Not safe to do here, since it'll invoke virtual view functions // expecting to see valid derived objects: and by the time we get here, @@ -157,6 +171,8 @@ bool wxDocument::Close() bool wxDocument::OnCloseDocument() { + // Tell all views that we're about to close + NotifyClosing(); DeleteContents(); Modify(FALSE); return TRUE; @@ -166,31 +182,40 @@ bool wxDocument::OnCloseDocument() // deleted. bool wxDocument::DeleteAllViews() { - wxNode *node = m_documentViews.First(); - while (node) + wxDocManager* manager = GetDocumentManager(); + wxList::iterator it, en; + + for ( it = m_documentViews.begin(), en = m_documentViews.end(); + it != en; + ) { - wxView *view = (wxView *)node->Data(); + wxView *view = (wxView *)*it; if (!view->Close()) return FALSE; - wxNode *next = node->Next(); + wxList::iterator next = it; ++next; delete view; // Deletes node implicitly - node = next; + it = next; } + // If we haven't yet deleted the document (for example + // if there were no views) then delete it. + if (manager && manager->GetDocuments().Member(this)) + delete this; + return TRUE; } wxView *wxDocument::GetFirstView() const { - if (m_documentViews.Number() == 0) + if (m_documentViews.GetCount() == 0) return (wxView *) NULL; - return (wxView *)m_documentViews.First()->Data(); + return (wxView *)m_documentViews.GetFirst()->GetData(); } wxDocManager *wxDocument::GetDocumentManager() const { - return m_documentTemplate->GetDocumentManager(); + return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL); } bool wxDocument::OnNewDocument() @@ -213,16 +238,13 @@ bool wxDocument::OnNewDocument() bool wxDocument::Save() { - bool ret = FALSE; + if (!IsModified() && m_savedYet) + return TRUE; - if (!IsModified()) return TRUE; - if (m_documentFile == _T("") || !m_savedYet) - ret = SaveAs(); - else - ret = OnSaveDocument(m_documentFile); - if ( ret ) - SetDocumentSaved(TRUE); - return ret; + if ( m_documentFile.empty() || !m_savedYet ) + return SaveAs(); + + return OnSaveDocument(m_documentFile); } bool wxDocument::SaveAs() @@ -231,11 +253,42 @@ bool wxDocument::SaveAs() if (!docTemplate) return FALSE; +#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__) + wxString filter = docTemplate->GetDescription() + wxT(" (") + docTemplate->GetFileFilter() + wxT(")|") + docTemplate->GetFileFilter(); + + // Now see if there are some other template with identical view and document + // classes, whose filters may also be used. + + if (docTemplate->GetViewClassInfo() && docTemplate->GetDocClassInfo()) + { + wxList::compatibility_iterator node = wxDocManager::GetDocumentManager()->GetTemplates().GetFirst(); + while (node) + { + wxDocTemplate *t = (wxDocTemplate*) node->GetData(); + + if (t->IsVisible() && t != docTemplate && + t->GetViewClassInfo() == docTemplate->GetViewClassInfo() && + t->GetDocClassInfo() == docTemplate->GetDocClassInfo()) + { + // add a '|' to separate this filter from the previous one + if ( !filter.IsEmpty() ) + filter << wxT('|'); + + filter << t->GetDescription() << wxT(" (") << t->GetFileFilter() << wxT(") |") + << t->GetFileFilter(); + } + + node = node->GetNext(); + } + } +#else + wxString filter = docTemplate->GetFileFilter() ; +#endif wxString tmp = wxFileSelector(_("Save as"), docTemplate->GetDirectory(), - GetFilename(), + wxFileNameFromPath(GetFilename()), docTemplate->GetDefaultExtension(), - docTemplate->GetFileFilter(), + filter, wxSAVE | wxOVERWRITE_PROMPT, GetDocumentWindow()); @@ -246,27 +299,40 @@ bool wxDocument::SaveAs() wxString path, name, ext; wxSplitPath(fileName, & path, & name, & ext); - if (ext.IsEmpty() || ext == _T("")) + if (ext.IsEmpty() || ext == wxT("")) { - fileName += "."; + fileName += wxT("."); fileName += docTemplate->GetDefaultExtension(); } SetFilename(fileName); SetTitle(wxFileNameFromPath(fileName)); - GetDocumentManager()->AddFileToHistory(fileName); - // Notify the views that the filename has changed - wxNode *node = m_documentViews.First(); + wxList::compatibility_iterator node = m_documentViews.GetFirst(); while (node) { - wxView *view = (wxView *)node->Data(); + wxView *view = (wxView *)node->GetData(); view->OnChangeFilename(); - node = node->Next(); + node = node->GetNext(); } - return OnSaveDocument(m_documentFile); + // Files that were not saved correctly are not added to the FileHistory. + if (!OnSaveDocument(m_documentFile)) + return FALSE; + + // A file that doesn't use the default extension of its document template cannot be opened + // via the FileHistory, so we do not add it. + if (docTemplate->FileMatchesTemplate(fileName)) + { + GetDocumentManager()->AddFileToHistory(fileName); + } + else + { + // The user will probably not be able to open the file again, so + // we could warn about the wrong file-extension here. + } + return TRUE; } bool wxDocument::OnSaveDocument(const wxString& file) @@ -275,17 +341,17 @@ bool wxDocument::OnSaveDocument(const wxString& file) return FALSE; wxString msgTitle; - if (wxTheApp->GetAppName() != _T("")) + if (wxTheApp->GetAppName() != wxT("")) msgTitle = wxTheApp->GetAppName(); else msgTitle = wxString(_("File error")); #if wxUSE_STD_IOSTREAM - ofstream store(file.fn_str()); + wxSTD ofstream store(file.mb_str()); if (store.fail() || store.bad()) #else - wxFileOutputStream store(file.fn_str()); - if (store.LastError() != 0) + wxFileOutputStream store(file); + if (store.GetLastError() != wxSTREAM_NO_ERROR) #endif { (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION, @@ -293,7 +359,7 @@ bool wxDocument::OnSaveDocument(const wxString& file) // Saving error return FALSE; } - if (SaveObject(store)==FALSE) + if (!SaveObject(store)) { (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION, GetDocumentWindow()); @@ -302,6 +368,11 @@ bool wxDocument::OnSaveDocument(const wxString& file) } Modify(FALSE); SetFilename(file); + SetDocumentSaved(TRUE); +#ifdef __WXMAC__ + wxFileName fn(file) ; + fn.MacSetDefaultTypeAndCreator() ; +#endif return TRUE; } @@ -311,24 +382,31 @@ bool wxDocument::OnOpenDocument(const wxString& file) return FALSE; wxString msgTitle; - if (wxTheApp->GetAppName() != _T("")) + if (wxTheApp->GetAppName() != wxT("")) msgTitle = wxTheApp->GetAppName(); else msgTitle = wxString(_("File error")); #if wxUSE_STD_IOSTREAM - ifstream store(file.fn_str()); + wxSTD ifstream store(file.mb_str()); if (store.fail() || store.bad()) #else - wxFileInputStream store(file.fn_str()); - if (store.LastError() != 0) + wxFileInputStream store(file); + if (store.GetLastError() != wxSTREAM_NO_ERROR) #endif { (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION, GetDocumentWindow()); return FALSE; } - if (LoadObject(store)==FALSE) +#if wxUSE_STD_IOSTREAM + LoadObject(store); + if ( !store && !store.eof() ) +#else + int res = LoadObject(store).GetLastError(); + if ((res != wxSTREAM_NO_ERROR) && + (res != wxSTREAM_EOF)) +#endif { (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION, GetDocumentWindow()); @@ -344,26 +422,22 @@ bool wxDocument::OnOpenDocument(const wxString& file) } #if wxUSE_STD_IOSTREAM -istream& wxDocument::LoadObject(istream& stream) +wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream) +#else +wxInputStream& wxDocument::LoadObject(wxInputStream& stream) +#endif { return stream; } -ostream& wxDocument::SaveObject(ostream& stream) -{ - return stream; -} +#if wxUSE_STD_IOSTREAM +wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream) #else -bool wxDocument::LoadObject(wxInputStream& stream) -{ - return TRUE; -} - -bool wxDocument::SaveObject(wxOutputStream& stream) +wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream) +#endif { - return TRUE; + return stream; } -#endif bool wxDocument::Revert() { @@ -374,12 +448,12 @@ bool wxDocument::Revert() // Get title, or filename if no title, else unnamed bool wxDocument::GetPrintableName(wxString& buf) const { - if (m_documentTitle != _T("")) + if (m_documentTitle != wxT("")) { buf = m_documentTitle; return TRUE; } - else if (m_documentFile != _T("")) + else if (m_documentFile != wxT("")) { buf = wxFileNameFromPath(m_documentFile); return TRUE; @@ -414,7 +488,7 @@ bool wxDocument::OnSaveModified() GetPrintableName(title); wxString msgTitle; - if (wxTheApp->GetAppName() != _T("")) + if (wxTheApp->GetAppName() != wxT("")) msgTitle = wxTheApp->GetAppName(); else msgTitle = wxString(_("Warning")); @@ -473,7 +547,7 @@ bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags) // there are no more views. void wxDocument::OnChangedViewList() { - if (m_documentViews.Number() == 0) + if (m_documentViews.GetCount() == 0) { if (OnSaveModified()) { @@ -484,12 +558,24 @@ void wxDocument::OnChangedViewList() void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint) { - wxNode *node = m_documentViews.First(); + wxList::compatibility_iterator node = m_documentViews.GetFirst(); + while (node) + { + wxView *view = (wxView *)node->GetData(); + if (view != sender) + view->OnUpdate(sender, hint); + node = node->GetNext(); + } +} + +void wxDocument::NotifyClosing() +{ + wxList::compatibility_iterator node = m_documentViews.GetFirst(); while (node) { - wxView *view = (wxView *)node->Data(); - view->OnUpdate(sender, hint); - node = node->Next(); + wxView *view = (wxView *)node->GetData(); + view->OnClosingDocument(); + node = node->GetNext(); } } @@ -499,12 +585,12 @@ void wxDocument::SetFilename(const wxString& filename, bool notifyViews) if ( notifyViews ) { // Notify the views that the filename has changed - wxNode *node = m_documentViews.First(); + wxList::compatibility_iterator node = m_documentViews.GetFirst(); while (node) { - wxView *view = (wxView *)node->Data(); + wxView *view = (wxView *)node->GetData(); view->OnChangeFilename(); - node = node->Next(); + node = node->GetNext(); } } } @@ -515,16 +601,14 @@ void wxDocument::SetFilename(const wxString& filename, bool notifyViews) wxView::wxView() { - // SetDocument(doc); m_viewDocument = (wxDocument*) NULL; - m_viewTypeName = ""; m_viewFrame = (wxFrame *) NULL; } wxView::~wxView() { - GetDocumentManager()->ActivateView(this, FALSE, TRUE); + GetDocumentManager()->ActivateView(this, FALSE); m_viewDocument->RemoveView(this); } @@ -533,8 +617,8 @@ bool wxView::ProcessEvent(wxEvent& event) { if ( !GetDocument() || !GetDocument()->ProcessEvent(event) ) return wxEvtHandler::ProcessEvent(event); - else - return TRUE; + + return TRUE; } void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView)) @@ -554,10 +638,11 @@ void wxView::OnChangeFilename() { if (GetFrame() && GetDocument()) { - wxString name; - GetDocument()->GetPrintableName(name); + wxString title; - GetFrame()->SetTitle(name); + GetDocument()->GetPrintableName(title); + + GetFrame()->SetTitle(title); } } @@ -578,7 +663,7 @@ bool wxView::Close(bool deleteWindow) void wxView::Activate(bool activate) { - if (GetDocumentManager()) + if (GetDocument() && GetDocumentManager()) { OnActivateView(activate, this, GetDocumentManager()->GetCurrentView()); GetDocumentManager()->ActivateView(this, activate); @@ -637,17 +722,31 @@ wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags) if (!m_docClassInfo) return (wxDocument *) NULL; wxDocument *doc = (wxDocument *)m_docClassInfo->CreateObject(); + + if (InitDocument(doc, path, flags)) + { + return doc; + } + else + { + return (wxDocument *) NULL; + } +} + +bool wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags) +{ doc->SetFilename(path); doc->SetDocumentTemplate(this); GetDocumentManager()->AddDocument(doc); doc->SetCommandProcessor(doc->OnCreateCommandProcessor()); if (doc->OnCreate(path, flags)) - return doc; + return true; else { - delete doc; - return (wxDocument *) NULL; + if (GetDocumentManager()->GetDocuments().Member(doc)) + doc->DeleteAllViews(); + return false; } } @@ -682,19 +781,37 @@ bool wxDocTemplate::FileMatchesTemplate(const wxString& path) BEGIN_EVENT_TABLE(wxDocManager, wxEvtHandler) EVT_MENU(wxID_OPEN, wxDocManager::OnFileOpen) EVT_MENU(wxID_CLOSE, wxDocManager::OnFileClose) + EVT_MENU(wxID_CLOSE_ALL, wxDocManager::OnFileCloseAll) EVT_MENU(wxID_REVERT, wxDocManager::OnFileRevert) EVT_MENU(wxID_NEW, wxDocManager::OnFileNew) EVT_MENU(wxID_SAVE, wxDocManager::OnFileSave) EVT_MENU(wxID_SAVEAS, wxDocManager::OnFileSaveAs) EVT_MENU(wxID_UNDO, wxDocManager::OnUndo) EVT_MENU(wxID_REDO, wxDocManager::OnRedo) + + EVT_UPDATE_UI(wxID_OPEN, wxDocManager::OnUpdateFileOpen) + EVT_UPDATE_UI(wxID_CLOSE, wxDocManager::OnUpdateFileClose) + EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateFileClose) + EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateFileRevert) + EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew) + EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave) + EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateFileSaveAs) + EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo) + EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo) + #if wxUSE_PRINTING_ARCHITECTURE EVT_MENU(wxID_PRINT, wxDocManager::OnPrint) EVT_MENU(wxID_PRINT_SETUP, wxDocManager::OnPrintSetup) EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview) + + EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint) + EVT_UPDATE_UI(wxID_PRINT_SETUP, wxDocManager::OnUpdatePrintSetup) + EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview) #endif END_EVENT_TABLE() +wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL; + wxDocManager::wxDocManager(long flags, bool initialize) { m_defaultDocumentNameCounter = 1; @@ -704,6 +821,7 @@ wxDocManager::wxDocManager(long flags, bool initialize) m_fileHistory = (wxFileHistory *) NULL; if (initialize) Initialize(); + sm_docManager = this; } wxDocManager::~wxDocManager() @@ -711,37 +829,56 @@ wxDocManager::~wxDocManager() Clear(); if (m_fileHistory) delete m_fileHistory; + sm_docManager = (wxDocManager*) NULL; } -bool wxDocManager::Clear(bool force) +// closes the specified document +bool wxDocManager::CloseDocument(wxDocument* doc, bool force) { - wxNode *node = m_docs.First(); - while (node) + if (doc->Close() || force) { - wxDocument *doc = (wxDocument *)node->Data(); - wxNode *next = node->Next(); - - if (!doc->Close() && !force) - return FALSE; - - // Implicitly deletes the document when the last - // view is removed (deleted) + // Implicitly deletes the document when + // the last view is deleted doc->DeleteAllViews(); - // Check document is deleted + // Check we're really deleted if (m_docs.Member(doc)) delete doc; + return TRUE; + } + return FALSE; +} + +bool wxDocManager::CloseDocuments(bool force) +{ + wxList::compatibility_iterator node = m_docs.GetFirst(); + while (node) + { + wxDocument *doc = (wxDocument *)node->GetData(); + wxList::compatibility_iterator next = node->GetNext(); + + if (!CloseDocument(doc, force)) + return FALSE; + // This assumes that documents are not connected in // any way, i.e. deleting one document does NOT // delete another. node = next; } - node = m_templates.First(); + return TRUE; +} + +bool wxDocManager::Clear(bool force) +{ + if (!CloseDocuments(force)) + return FALSE; + + wxList::compatibility_iterator node = m_templates.GetFirst(); while (node) { - wxDocTemplate *templ = (wxDocTemplate*) node->Data(); - wxNode* next = node->Next(); + wxDocTemplate *templ = (wxDocTemplate*) node->GetData(); + wxList::compatibility_iterator next = node->GetNext(); delete templ; node = next; } @@ -772,14 +909,22 @@ void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event)) } } +void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event)) +{ + CloseDocuments(FALSE); +} + void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event)) { - CreateDocument(wxString(""), wxDOC_NEW); + CreateDocument( wxT(""), wxDOC_NEW ); } void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event)) { - CreateDocument(wxString(""), 0); + if ( !CreateDocument( wxT(""), 0) ) + { + OnOpenFileFailure(); + } } void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event)) @@ -834,7 +979,7 @@ void wxDocManager::OnPrintSetup(wxCommandEvent& WXUNUSED(event)) wxPrintDialogData data; - wxPrintDialog printerDialog(parentWin, & data); + wxPrintDialog printerDialog(parentWin, &data); printerDialog.GetPrintDialogData().SetSetupDialog(TRUE); printerDialog.ShowModal(); #endif // wxUSE_PRINTING_ARCHITECTURE @@ -851,8 +996,13 @@ void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event)) if (printout) { // Pass two printout objects: for preview, and possible printing. - wxPrintPreviewBase *preview = (wxPrintPreviewBase *) NULL; - preview = new wxPrintPreview(printout, view->OnCreatePrintout()); + wxPrintPreviewBase *preview = new wxPrintPreview(printout, view->OnCreatePrintout()); + if ( !preview->Ok() ) + { + delete preview; + wxMessageBox( _("Sorry, print preview needs a printer to be installed.") ); + return; + } wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"), wxPoint(100, 100), wxSize(600, 650)); @@ -863,31 +1013,116 @@ void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event)) #endif // wxUSE_PRINTING_ARCHITECTURE } -void wxDocManager::OnUndo(wxCommandEvent& WXUNUSED(event)) +void wxDocManager::OnUndo(wxCommandEvent& event) { wxDocument *doc = GetCurrentDocument(); if (!doc) return; if (doc->GetCommandProcessor()) doc->GetCommandProcessor()->Undo(); + else + event.Skip(); } -void wxDocManager::OnRedo(wxCommandEvent& WXUNUSED(event)) +void wxDocManager::OnRedo(wxCommandEvent& event) { wxDocument *doc = GetCurrentDocument(); if (!doc) return; if (doc->GetCommandProcessor()) doc->GetCommandProcessor()->Redo(); + else + event.Skip(); +} + +// Handlers for UI update commands + +void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event) +{ + event.Enable( TRUE ); +} + +void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event) +{ + wxDocument *doc = GetCurrentDocument(); + event.Enable( (doc != (wxDocument*) NULL) ); +} + +void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event) +{ + wxDocument *doc = GetCurrentDocument(); + event.Enable( (doc != (wxDocument*) NULL) ); +} + +void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event) +{ + event.Enable( TRUE ); +} + +void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event) +{ + wxDocument *doc = GetCurrentDocument(); + event.Enable( doc && doc->IsModified() ); +} + +void wxDocManager::OnUpdateFileSaveAs(wxUpdateUIEvent& event) +{ + wxDocument *doc = GetCurrentDocument(); + event.Enable( (doc != (wxDocument*) NULL) ); +} + +void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event) +{ + wxDocument *doc = GetCurrentDocument(); + if (!doc) + event.Enable(FALSE); + else if (!doc->GetCommandProcessor()) + event.Skip(); + else + { + event.Enable( doc->GetCommandProcessor()->CanUndo() ); + doc->GetCommandProcessor()->SetMenuStrings(); + } +} + +void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event) +{ + wxDocument *doc = GetCurrentDocument(); + if (!doc) + event.Enable(FALSE); + else if (!doc->GetCommandProcessor()) + event.Skip(); + else + { + event.Enable( doc->GetCommandProcessor()->CanRedo() ); + doc->GetCommandProcessor()->SetMenuStrings(); + } +} + +void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event) +{ + wxDocument *doc = GetCurrentDocument(); + event.Enable( (doc != (wxDocument*) NULL) ); +} + +void wxDocManager::OnUpdatePrintSetup(wxUpdateUIEvent& event) +{ + event.Enable( TRUE ); +} + +void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event) +{ + wxDocument *doc = GetCurrentDocument(); + event.Enable( (doc != (wxDocument*) NULL) ); } wxView *wxDocManager::GetCurrentView() const { if (m_currentView) return m_currentView; - if (m_docs.Number() == 1) + if (m_docs.GetCount() == 1) { - wxDocument* doc = (wxDocument*) m_docs.First()->Data(); + wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData(); return doc->GetFirstView(); } return (wxView *) NULL; @@ -907,12 +1142,12 @@ bool wxDocManager::ProcessEvent(wxEvent& event) wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags) { - wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()]; - int i; - int n = 0; - for (i = 0; i < m_templates.Number(); i++) + wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()]; + int n = 0; + + for (size_t i = 0; i < m_templates.GetCount(); i++) { - wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data()); + wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData()); if (temp->IsVisible()) { templates[n] = temp; @@ -925,23 +1160,14 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags) return (wxDocument *) NULL; } + wxDocument* docToClose = NULL; + // If we've reached the max number of docs, close the // first one. - if (GetDocuments().Number() >= m_maxDocsOpen) + if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen ) { - wxDocument *doc = (wxDocument *)GetDocuments().First()->Data(); - if (doc->Close()) - { - // Implicitly deletes the document when - // the last view is deleted - doc->DeleteAllViews(); - - // Check we're really deleted - if (m_docs.Member(doc)) - delete doc; - } - else - return (wxDocument *) NULL; + wxDocument *doc = (wxDocument *)GetDocuments().GetFirst()->GetData(); + docToClose = doc; } // New document: user chooses a template, unless there's only one. @@ -949,9 +1175,19 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags) { if (n == 1) { + if (docToClose) + { + if (!CloseDocument(docToClose, FALSE)) + { + delete[] templates; + return NULL; + } + } + wxDocTemplate *temp = templates[0]; delete[] templates; wxDocument *newDoc = temp->CreateDocument(path, flags); + if (newDoc) { newDoc->SetDocumentName(temp->GetDocumentName()); @@ -965,7 +1201,16 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags) delete[] templates; if (temp) { + if (docToClose) + { + if (!CloseDocument(docToClose, FALSE)) + { + return NULL; + } + } + wxDocument *newDoc = temp->CreateDocument(path, flags); + if (newDoc) { newDoc->SetDocumentName(temp->GetDocumentName()); @@ -979,14 +1224,24 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags) } // Existing document - wxDocTemplate *temp = (wxDocTemplate *) NULL; + wxDocTemplate *temp; - wxString path2(_T("")); - if (path != _T("")) + wxString path2(wxT("")); + if (path != wxT("")) path2 = path; if (flags & wxDOC_SILENT) + { temp = FindTemplateForPath(path2); + if (!temp) + { + // Since we do not add files with non-default extensions to the FileHistory this + // can only happen if the application changes the allowed templates in runtime. + (void)wxMessageBox(_("Sorry, the format for this file is unknown."), + _("Open File"), + wxOK | wxICON_EXCLAMATION, wxFindSuitableParent()); + } + } else temp = SelectDocumentPath(templates, n, path2, flags); @@ -994,6 +1249,14 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags) if (temp) { + if (docToClose) + { + if (!CloseDocument(docToClose, FALSE)) + { + return NULL; + } + } + wxDocument *newDoc = temp->CreateDocument(path2, flags); if (newDoc) { @@ -1001,25 +1264,30 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags) newDoc->SetDocumentTemplate(temp); if (!newDoc->OnOpenDocument(path2)) { - delete newDoc; + newDoc->DeleteAllViews(); + // delete newDoc; // Implicitly deleted by DeleteAllViews return (wxDocument *) NULL; } - AddFileToHistory(path2); + // A file that doesn't use the default extension of its document + // template cannot be opened via the FileHistory, so we do not + // add it. + if (temp->FileMatchesTemplate(path2)) + AddFileToHistory(path2); } return newDoc; } - else - return (wxDocument *) NULL; + + return (wxDocument *) NULL; } wxView *wxDocManager::CreateView(wxDocument *doc, long flags) { - wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()]; - int n =0; - int i; - for (i = 0; i < m_templates.Number(); i++) + wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()]; + int n =0; + + for (size_t i = 0; i < m_templates.GetCount(); i++) { - wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data()); + wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData()); if (temp->IsVisible()) { if (temp->GetDocumentName() == doc->GetDocumentName()) @@ -1070,8 +1338,9 @@ bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc)) wxDocument *wxDocManager::GetCurrentDocument() const { - if (m_currentView) - return m_currentView->GetDocument(); + wxView *view = GetCurrentView(); + if (view) + return view->GetDocument(); else return (wxDocument *) NULL; } @@ -1085,6 +1354,24 @@ bool wxDocManager::MakeDefaultName(wxString& name) return TRUE; } +// Make a frame title (override this to do something different) +// If docName is empty, a document is not currently active. +wxString wxDocManager::MakeFrameTitle(wxDocument* doc) +{ + wxString appName = wxTheApp->GetAppName(); + wxString title; + if (!doc) + title = appName; + else + { + wxString docName; + doc->GetPrintableName(docName); + title = docName + wxString(_(" - ")) + appName; + } + return title; +} + + // Not yet implemented wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path)) { @@ -1098,7 +1385,13 @@ void wxDocManager::AddFileToHistory(const wxString& file) m_fileHistory->AddFileToHistory(file); } -wxString wxDocManager::GetHistoryFile(int i) const +void wxDocManager::RemoveFileFromHistory(size_t i) +{ + if (m_fileHistory) + m_fileHistory->RemoveFileFromHistory(i); +} + +wxString wxDocManager::GetHistoryFile(size_t i) const { wxString histFile; @@ -1146,12 +1439,9 @@ void wxDocManager::FileHistoryAddFilesToMenu() m_fileHistory->AddFilesToMenu(); } -int wxDocManager::GetNoHistoryFiles() const +size_t wxDocManager::GetHistoryFilesCount() const { - if (m_fileHistory) - return m_fileHistory->GetNoHistoryFiles(); - else - return 0; + return m_fileHistory ? m_fileHistory->GetCount() : 0; } @@ -1162,10 +1452,9 @@ wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path) wxDocTemplate *theTemplate = (wxDocTemplate *) NULL; // Find the template which this extension corresponds to - int i; - for (i = 0; i < m_templates.Number(); i++) + for (size_t i = 0; i < m_templates.GetCount(); i++) { - wxDocTemplate *temp = (wxDocTemplate *)m_templates.Nth(i)->Data(); + wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData(); if ( temp->FileMatchesTemplate(path) ) { theTemplate = temp; @@ -1175,13 +1464,34 @@ wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path) return theTemplate; } +// Try to get a more suitable parent frame than the top window, +// for selection dialogs. Otherwise you may get an unexpected +// window being activated when a dialog is shown. +static wxWindow* wxFindSuitableParent() +{ + wxWindow* parent = wxTheApp->GetTopWindow(); + + wxWindow* focusWindow = wxWindow::FindFocus(); + if (focusWindow) + { + while (focusWindow && + !focusWindow->IsKindOf(CLASSINFO(wxDialog)) && + !focusWindow->IsKindOf(CLASSINFO(wxFrame))) + + focusWindow = focusWindow->GetParent(); + + if (focusWindow) + parent = focusWindow; + } + return parent; +} + // Prompts user to open a file, using file specs in templates. -// How to implement in wxWindows? Must extend the file selector -// dialog or implement own; OR match the extension to the -// template extension. +// Must extend the file selector dialog or implement own; OR +// match the extension to the template extension. wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates, -#ifdef __WXMSW__ +#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__) int noTemplates, #else int WXUNUSED(noTemplates), @@ -1190,8 +1500,8 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates, long WXUNUSED(flags), bool WXUNUSED(save)) { - // We can only have multiple filters in Windows -#ifdef __WXMSW__ + // We can only have multiple filters in Windows and GTK +#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__) wxString descrBuf; int i; @@ -1201,127 +1511,227 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates, { // add a '|' to separate this filter from the previous one if ( !descrBuf.IsEmpty() ) - descrBuf << _T('|'); + descrBuf << wxT('|'); descrBuf << templates[i]->GetDescription() - << _T(" (") << templates[i]->GetFileFilter() << _T(") |") + << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |") << templates[i]->GetFileFilter(); } } #else - wxString descrBuf = _T("*.*"); + wxString descrBuf = wxT("*.*"); #endif - int FilterIndex = 0; + int FilterIndex = -1; + + wxWindow* parent = wxFindSuitableParent(); + wxString pathTmp = wxFileSelectorEx(_("Select a file"), - _T(""), - _T(""), + m_lastDirectory, + wxT(""), &FilterIndex, descrBuf, 0, - wxTheApp->GetTopWindow()); + parent); + wxDocTemplate *theTemplate = (wxDocTemplate *)NULL; if (!pathTmp.IsEmpty()) { - path = pathTmp; - wxString theExt = FindExtension(path); - if (!theExt) + if (!wxFileExists(pathTmp)) + { + wxString msgTitle; + if (!wxTheApp->GetAppName().IsEmpty()) + msgTitle = wxTheApp->GetAppName(); + else + msgTitle = wxString(_("File error")); + + (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION, + parent); + + path = wxT(""); return (wxDocTemplate *) NULL; + } + m_lastDirectory = wxPathOnly(pathTmp); - // This is dodgy in that we're selecting the template on the - // basis of the file extension, which may not be a standard - // one. We really want to know exactly which template was - // chosen by using a more advanced file selector. - wxDocTemplate *theTemplate = FindTemplateForPath(path); - if ( !theTemplate ) - theTemplate = templates[FilterIndex]; + path = pathTmp; - return theTemplate; + // first choose the template using the extension, if this fails (i.e. + // wxFileSelectorEx() didn't fill it), then use the path + if ( FilterIndex != -1 ) + theTemplate = templates[FilterIndex]; + if ( !theTemplate ) + theTemplate = FindTemplateForPath(path); + if ( !theTemplate ) + { + // Since we do not add files with non-default extensions to the FileHistory this + // can only happen if the application changes the allowed templates in runtime. + (void)wxMessageBox(_("Sorry, the format for this file is unknown."), + _("Open File"), + wxOK | wxICON_EXCLAMATION, wxFindSuitableParent()); + } } else { - path = _T(""); - return (wxDocTemplate *) NULL; + path = wxT(""); } -#if 0 - // In all other windowing systems, until we have more advanced - // file selectors, we must select the document type (template) first, and - // _then_ pop up the file selector. - wxDocTemplate *temp = SelectDocumentType(templates, noTemplates); - if (!temp) - return (wxDocTemplate *) NULL; - - wxChar *pathTmp = wxFileSelector(_("Select a file"), _T(""), _T(""), - temp->GetDefaultExtension(), - temp->GetFileFilter(), - 0, wxTheApp->GetTopWindow()); - if (pathTmp) - { - path = pathTmp; - return temp; - } - else - return (wxDocTemplate *) NULL; -#endif // 0 + return theTemplate; } wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates, - int noTemplates) + int noTemplates, bool sort) { - wxChar **strings = new wxChar *[noTemplates]; - wxChar **data = new wxChar *[noTemplates]; + wxArrayString strings; + wxDocTemplate **data = new wxDocTemplate *[noTemplates]; int i; int n = 0; + for (i = 0; i < noTemplates; i++) { if (templates[i]->IsVisible()) { - strings[n] = WXSTRINGCAST templates[i]->m_description; - data[n] = (wxChar *)templates[i]; - n ++; + int j; + bool want = TRUE; + for (j = 0; j < n; j++) + { + //filter out NOT unique documents + view combinations + if ( templates[i]->m_docTypeName == data[j]->m_docTypeName && + templates[i]->m_viewTypeName == data[j]->m_viewTypeName + ) + want = FALSE; + } + + if ( want ) + { + strings.Add(templates[i]->m_description); + + data[n] = templates[i]; + n ++; + } } - } - if (n == 0) + } // for + + if (sort) { - delete[] strings; - delete[] data; - return (wxDocTemplate *) NULL; + strings.Sort(wxStringSortAscending); + // Yes, this will be slow, but template lists + // are typically short. + int j; + n = strings.Count(); + for (i = 0; i < n; i++) + { + for (j = 0; j < noTemplates; j++) + { + if (strings[i] == templates[j]->m_description) + data[i] = templates[j]; + } + } } - else if (n == 1) + + wxDocTemplate *theTemplate; + + switch ( n ) { - wxDocTemplate *temp = (wxDocTemplate *)data[0]; - delete[] strings; - delete[] data; - return temp; + case 0: + // no visible templates, hence nothing to choose from + theTemplate = NULL; + break; + + case 1: + // don't propose the user to choose if he heas no choice + theTemplate = data[0]; + break; + + default: + // propose the user to choose one of several + theTemplate = (wxDocTemplate *)wxGetSingleChoiceData + ( + _("Select a document template"), + _("Templates"), + strings, + (void **)data, + wxFindSuitableParent() + ); } - wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document template"), _("Templates"), n, - strings, data); - delete[] strings; delete[] data; + return theTemplate; } wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates, - int noTemplates) + int noTemplates, bool sort) { - wxChar **strings = new wxChar *[noTemplates]; - wxChar **data = new wxChar *[noTemplates]; + wxArrayString strings; + wxDocTemplate **data = new wxDocTemplate *[noTemplates]; int i; int n = 0; + for (i = 0; i < noTemplates; i++) { - if (templates[i]->IsVisible() && (templates[i]->GetViewName() != _T(""))) + wxDocTemplate *templ = templates[i]; + if ( templ->IsVisible() && !templ->GetViewName().empty() ) { - strings[n] = WXSTRINGCAST templates[i]->m_viewTypeName; - data[n] = (wxChar *)templates[i]; - n ++; + int j; + bool want = TRUE; + for (j = 0; j < n; j++) + { + //filter out NOT unique views + if ( templates[i]->m_viewTypeName == data[j]->m_viewTypeName ) + want = FALSE; + } + + if ( want ) + { + strings.Add(templ->m_viewTypeName); + data[n] = templ; + n ++; + } + } + } + + if (sort) + { + strings.Sort(wxStringSortAscending); + // Yes, this will be slow, but template lists + // are typically short. + int j; + n = strings.Count(); + for (i = 0; i < n; i++) + { + for (j = 0; j < noTemplates; j++) + { + if (strings[i] == templates[j]->m_viewTypeName) + data[i] = templates[j]; + } } } - wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document view"), _("Views"), n, - strings, data); - delete[] strings; + + wxDocTemplate *theTemplate; + + // the same logic as above + switch ( n ) + { + case 0: + theTemplate = (wxDocTemplate *)NULL; + break; + + case 1: + theTemplate = data[0]; + break; + + default: + theTemplate = (wxDocTemplate *)wxGetSingleChoiceData + ( + _("Select a document view"), + _("Views"), + strings, + (void **)data, + wxFindSuitableParent() + ); + + } + delete[] data; return theTemplate; } @@ -1351,25 +1761,19 @@ void wxDocManager::RemoveDocument(wxDocument *doc) // Views or windows should inform the document manager // when a view is going in or out of focus -void wxDocManager::ActivateView(wxView *view, bool activate, bool WXUNUSED(deleting)) -{ - // If we're deactiving, and if we're not actually deleting the view, then - // don't reset the current view because we may be going to - // a window without a view. - // WHAT DID I MEAN BY THAT EXACTLY? - /* - if (deleting) - { - if (m_currentView == view) - m_currentView = NULL; - } - else - */ - { - if (activate) - m_currentView = view; - else +void wxDocManager::ActivateView(wxView *view, bool activate) +{ + if ( activate ) + { + m_currentView = view; + } + else // deactivate + { + if ( m_currentView == view ) + { + // don't keep stale pointer m_currentView = (wxView *) NULL; + } } } @@ -1433,11 +1837,9 @@ void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event) { if (m_childView) { - bool ans = FALSE; - if (!event.CanVeto()) - ans = TRUE; // Must delete. - else - ans = m_childView->Close(FALSE); // FALSE means don't delete associated window + bool ans = event.CanVeto() + ? m_childView->Close(FALSE) // FALSE means don't delete associated window + : TRUE; // Must delete. if (ans) { @@ -1485,9 +1887,33 @@ void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event)) void wxDocParentFrame::OnMRUFile(wxCommandEvent& event) { - wxString f(m_docManager->GetHistoryFile(event.GetSelection() - wxID_FILE1)); - if (f != _T("")) - (void)m_docManager->CreateDocument(f, wxDOC_SILENT); + int n = event.GetId() - wxID_FILE1; // the index in MRU list + wxString filename(m_docManager->GetHistoryFile(n)); + if ( !filename.IsEmpty() ) + { + // verify that the file exists before doing anything else + if ( wxFile::Exists(filename) ) + { + // try to open it + if (!m_docManager->CreateDocument(filename, wxDOC_SILENT)) + { + // remove the file from the MRU list. The user should already be notified. + m_docManager->RemoveFileFromHistory(n); + + wxLogError(_("The file '%s' couldn't be opened.\nIt has been removed from the most recently used files list."), + filename.c_str()); + } + } + else + { + // remove the bogus filename from the MRU list and notify the user + // about it + m_docManager->RemoveFileFromHistory(n); + + wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\nIt has been removed from the most recently used files list."), + filename.c_str()); + } + } } // Extend event processing to search the view's event table @@ -1515,7 +1941,7 @@ void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event) #if wxUSE_PRINTING_ARCHITECTURE wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title) - : wxPrintout(WXSTRINGCAST title) + : wxPrintout(title) { m_printoutView = view; } @@ -1527,8 +1953,10 @@ bool wxDocPrintout::OnPrintPage(int WXUNUSED(page)) // Get the logical pixels per inch of screen and printer int ppiScreenX, ppiScreenY; GetPPIScreen(&ppiScreenX, &ppiScreenY); + wxUnusedVar(ppiScreenY); int ppiPrinterX, ppiPrinterY; GetPPIPrinter(&ppiPrinterX, &ppiPrinterY); + wxUnusedVar(ppiPrinterY); // This scales the DC so that the printout roughly represents the // the screen scaling. The text point size _should_ be the right size @@ -1543,6 +1971,7 @@ bool wxDocPrintout::OnPrintPage(int WXUNUSED(page)) int w, h; dc->GetSize(&w, &h); GetPageSizePixels(&pageWidth, &pageHeight); + wxUnusedVar(pageHeight); // If printer pageWidth == current DC width, then this doesn't // change. But w might be the preview bitmap width, so scale down. @@ -1580,301 +2009,198 @@ void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, in #endif // wxUSE_PRINTING_ARCHITECTURE // ---------------------------------------------------------------------------- -// Command processing framework +// File history processor // ---------------------------------------------------------------------------- -wxCommand::wxCommand(bool canUndoIt, const wxString& name) +static inline wxChar* MYcopystring(const wxString& s) { - m_canUndo = canUndoIt; - m_commandName = name; + wxChar* copy = new wxChar[s.length() + 1]; + return wxStrcpy(copy, s.c_str()); } -wxCommand::~wxCommand() +static inline wxChar* MYcopystring(const wxChar* s) { + wxChar* copy = new wxChar[wxStrlen(s) + 1]; + return wxStrcpy(copy, s); } -// Command processor -wxCommandProcessor::wxCommandProcessor(int maxCommands) +wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase) { - m_maxNoCommands = maxCommands; - m_currentCommand = (wxNode *) NULL; - m_commandEditMenu = (wxMenu *) NULL; + m_fileMaxFiles = maxFiles; + m_idBase = idBase; + m_fileHistoryN = 0; + m_fileHistory = new wxChar *[m_fileMaxFiles]; } -wxCommandProcessor::~wxCommandProcessor() +wxFileHistory::~wxFileHistory() { - ClearCommands(); + size_t i; + for (i = 0; i < m_fileHistoryN; i++) + delete[] m_fileHistory[i]; + delete[] m_fileHistory; } -// Pass a command to the processor. The processor calls Do(); -// if successful, is appended to the command history unless -// storeIt is FALSE. -bool wxCommandProcessor::Submit(wxCommand *command, bool storeIt) +// File history management +void wxFileHistory::AddFileToHistory(const wxString& file) { - bool success = command->Do(); - if (success && storeIt) - { - if (m_commands.Number() == m_maxNoCommands) - { - wxNode *firstNode = m_commands.First(); - wxCommand *firstCommand = (wxCommand *)firstNode->Data(); - delete firstCommand; - delete firstNode; - } - - // Correct a bug: we must chop off the current 'branch' - // so that we're at the end of the command list. - if (!m_currentCommand) - ClearCommands(); - else - { - wxNode *node = m_currentCommand->Next(); - while (node) - { - wxNode *next = node->Next(); - delete (wxCommand *)node->Data(); - delete node; - node = next; - } - } - - m_commands.Append(command); - m_currentCommand = m_commands.Last(); - SetMenuStrings(); - } - return success; -} + size_t i; -bool wxCommandProcessor::Undo() -{ - if (m_currentCommand) + // Check we don't already have this file + for (i = 0; i < m_fileHistoryN; i++) { - wxCommand *command = (wxCommand *)m_currentCommand->Data(); - if (command->CanUndo()) +#if defined( __WXMSW__ ) // Add any other OSes with case insensitive file names + wxString testString; + if ( m_fileHistory[i] ) + testString = m_fileHistory[i]; + if ( m_fileHistory[i] && ( file.Lower() == testString.Lower() ) ) +#else + if ( m_fileHistory[i] && ( file == m_fileHistory[i] ) ) +#endif { - bool success = command->Undo(); - if (success) - { - m_currentCommand = m_currentCommand->Previous(); - SetMenuStrings(); - return TRUE; - } + // we do have it, move it to the top of the history + RemoveFileFromHistory (i); + AddFileToHistory (file); + return; } } - return FALSE; -} -bool wxCommandProcessor::Redo() -{ - wxCommand *redoCommand = (wxCommand *) NULL; - wxNode *redoNode = (wxNode *) NULL; - if (m_currentCommand && m_currentCommand->Next()) + // if we already have a full history, delete the one at the end + if ( m_fileMaxFiles == m_fileHistoryN ) { - redoCommand = (wxCommand *)m_currentCommand->Next()->Data(); - redoNode = m_currentCommand->Next(); + RemoveFileFromHistory (m_fileHistoryN - 1); + AddFileToHistory (file); + return; } - else + + // Add to the project file history: + // Move existing files (if any) down so we can insert file at beginning. + if (m_fileHistoryN < m_fileMaxFiles) { - if (m_commands.Number() > 0) + wxList::compatibility_iterator node = m_fileMenus.GetFirst(); + while (node) { - redoCommand = (wxCommand *)m_commands.First()->Data(); - redoNode = m_commands.First(); + wxMenu* menu = (wxMenu*) node->GetData(); + if ( m_fileHistoryN == 0 && menu->GetMenuItemCount() ) + { + menu->AppendSeparator(); + } + menu->Append(m_idBase+m_fileHistoryN, _("[EMPTY]")); + node = node->GetNext(); } + m_fileHistoryN ++; } - - if (redoCommand) + // Shuffle filenames down + for (i = (m_fileHistoryN-1); i > 0; i--) { - bool success = redoCommand->Do(); - if (success) - { - m_currentCommand = redoNode; - SetMenuStrings(); - return TRUE; - } + m_fileHistory[i] = m_fileHistory[i-1]; } - return FALSE; -} + m_fileHistory[0] = MYcopystring(file); -bool wxCommandProcessor::CanUndo() const -{ - if (m_currentCommand) - return ((wxCommand *)m_currentCommand->Data())->CanUndo(); - return FALSE; -} - -bool wxCommandProcessor::CanRedo() const -{ - if ((m_currentCommand != (wxNode*) NULL) && (m_currentCommand->Next() == (wxNode*) NULL)) - return FALSE; - - if ((m_currentCommand != (wxNode*) NULL) && (m_currentCommand->Next() != (wxNode*) NULL)) - return TRUE; - - if ((m_currentCommand == (wxNode*) NULL) && (m_commands.Number() > 0)) - return TRUE; - - return FALSE; -} - -void wxCommandProcessor::Initialize() -{ - m_currentCommand = m_commands.Last(); - SetMenuStrings(); -} - -void wxCommandProcessor::SetMenuStrings() -{ - if (m_commandEditMenu) + // this is the directory of the last opened file + wxString pathCurrent; + wxSplitPath( m_fileHistory[0], &pathCurrent, NULL, NULL ); + for (i = 0; i < m_fileHistoryN; i++) { - wxString buf; - if (m_currentCommand) + if ( m_fileHistory[i] ) { - wxCommand *command = (wxCommand *)m_currentCommand->Data(); - wxString commandName(command->GetName()); - if (commandName == _T("")) commandName = _("Unnamed command"); - bool canUndo = command->CanUndo(); - if (canUndo) - buf = wxString(_("&Undo ")) + commandName; - else - buf = wxString(_("Can't &Undo ")) + commandName; - - m_commandEditMenu->SetLabel(wxID_UNDO, buf); - m_commandEditMenu->Enable(wxID_UNDO, canUndo); - - // We can redo, if we're not at the end of the history. - if (m_currentCommand->Next()) + // if in same directory just show the filename; otherwise the full + // path + wxString pathInMenu, path, filename, ext; + wxSplitPath( m_fileHistory[i], &path, &filename, &ext ); + if ( path == pathCurrent ) { - wxCommand *redoCommand = (wxCommand *)m_currentCommand->Next()->Data(); - wxString redoCommandName(redoCommand->GetName()); - if (redoCommandName == _T("")) redoCommandName = _("Unnamed command"); - buf = wxString(_("&Redo ")) + redoCommandName; - m_commandEditMenu->SetLabel(wxID_REDO, buf); - m_commandEditMenu->Enable(wxID_REDO, TRUE); + pathInMenu = filename; + if ( !ext.empty() ) + pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext; } else { - m_commandEditMenu->SetLabel(wxID_REDO, _("&Redo")); - m_commandEditMenu->Enable(wxID_REDO, FALSE); + // absolute path; could also set relative path + pathInMenu = m_fileHistory[i]; } - } - else - { - m_commandEditMenu->SetLabel(wxID_UNDO, _("&Undo")); - m_commandEditMenu->Enable(wxID_UNDO, FALSE); - if (m_commands.Number() == 0) - { - m_commandEditMenu->SetLabel(wxID_REDO, _("&Redo")); - m_commandEditMenu->Enable(wxID_REDO, FALSE); - } - else + wxString buf; + buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str()); + wxList::compatibility_iterator node = m_fileMenus.GetFirst(); + while (node) { - // currentCommand is NULL but there are commands: this means that - // we've undone to the start of the list, but can redo the first. - wxCommand *redoCommand = (wxCommand *)m_commands.First()->Data(); - wxString redoCommandName(redoCommand->GetName()); - if (redoCommandName == _T("")) redoCommandName = _("Unnamed command"); - buf = wxString(_("&Redo ")) + redoCommandName; - m_commandEditMenu->SetLabel(wxID_REDO, buf); - m_commandEditMenu->Enable(wxID_REDO, TRUE); + wxMenu* menu = (wxMenu*) node->GetData(); + menu->SetLabel(m_idBase + i, buf); + node = node->GetNext(); } } } } -void wxCommandProcessor::ClearCommands() +void wxFileHistory::RemoveFileFromHistory(size_t i) { - wxNode *node = m_commands.First(); - while (node) - { - wxCommand *command = (wxCommand *)node->Data(); - delete command; - delete node; - node = m_commands.First(); - } - m_currentCommand = (wxNode *) NULL; -} + wxCHECK_RET( i < m_fileHistoryN, + wxT("invalid index in wxFileHistory::RemoveFileFromHistory") ); -// ---------------------------------------------------------------------------- -// File history processor -// ---------------------------------------------------------------------------- + // delete the element from the array (could use memmove() too...) + delete [] m_fileHistory[i]; -wxFileHistory::wxFileHistory(int maxFiles) -{ - m_fileMaxFiles = maxFiles; - m_fileHistoryN = 0; - m_fileHistory = new wxChar *[m_fileMaxFiles]; -} - -wxFileHistory::~wxFileHistory() -{ - int i; - for (i = 0; i < m_fileHistoryN; i++) - delete[] m_fileHistory[i]; - delete[] m_fileHistory; -} - -// File history management -void wxFileHistory::AddFileToHistory(const wxString& file) -{ - int i; - // Check we don't already have this file - for (i = 0; i < m_fileHistoryN; i++) + size_t j; + for ( j = i; j < m_fileHistoryN - 1; j++ ) { - if (m_fileHistory[i] && wxString(m_fileHistory[i]) == file) - return; + m_fileHistory[j] = m_fileHistory[j + 1]; } - // Add to the project file history: - // Move existing files (if any) down so we can insert file at beginning. - - // First delete filename that has popped off the end of the array (if any) - if (m_fileHistoryN == m_fileMaxFiles) + wxList::compatibility_iterator node = m_fileMenus.GetFirst(); + while ( node ) { - delete[] m_fileHistory[m_fileMaxFiles-1]; - m_fileHistory[m_fileMaxFiles-1] = (wxChar *) NULL; - } - if (m_fileHistoryN < m_fileMaxFiles) - { - wxNode* node = m_fileMenus.First(); - while (node) + wxMenu* menu = (wxMenu*) node->GetData(); + + // shuffle filenames up + wxString buf; + for ( j = i; j < m_fileHistoryN - 1; j++ ) + { + buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]); + menu->SetLabel(m_idBase + j, buf); + } + + node = node->GetNext(); + + // delete the last menu item which is unused now + wxWindowID lastItemId = m_idBase + m_fileHistoryN - 1; + if (menu->FindItem(lastItemId)) { - wxMenu* menu = (wxMenu*) node->Data(); - if (m_fileHistoryN == 0) - menu->AppendSeparator(); - menu->Append(wxID_FILE1+m_fileHistoryN, _("[EMPTY]")); - node = node->Next(); + menu->Delete(lastItemId); } - m_fileHistoryN ++; - } - // Shuffle filenames down - for (i = (m_fileHistoryN-1); i > 0; i--) - { - m_fileHistory[i] = m_fileHistory[i-1]; - } - m_fileHistory[0] = copystring(file); - for (i = 0; i < m_fileHistoryN; i++) - if (m_fileHistory[i]) + // delete the last separator too if no more files are left + if ( m_fileHistoryN == 1 ) { - wxString buf; - buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]); - wxNode* node = m_fileMenus.First(); - while (node) + wxMenuItemList::compatibility_iterator node = menu->GetMenuItems().GetLast(); + if ( node ) { - wxMenu* menu = (wxMenu*) node->Data(); - menu->SetLabel(wxID_FILE1+i, buf); - node = node->Next(); + wxMenuItem *menuItem = node->GetData(); + if ( menuItem->IsSeparator() ) + { + menu->Delete(menuItem); + } + //else: should we search backwards for the last separator? } + //else: menu is empty somehow } + } + + m_fileHistoryN--; } -wxString wxFileHistory::GetHistoryFile(int i) const +wxString wxFileHistory::GetHistoryFile(size_t i) const { - if (i < m_fileHistoryN) - return wxString(m_fileHistory[i]); + wxString s; + if ( i < m_fileHistoryN ) + { + s = m_fileHistory[i]; + } else - return wxString(""); + { + wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") ); + } + + return s; } void wxFileHistory::UseMenu(wxMenu *menu) @@ -1893,26 +2219,29 @@ void wxFileHistory::Load(wxConfigBase& config) { m_fileHistoryN = 0; wxString buf; - buf.Printf(_T("file%d"), m_fileHistoryN+1); + buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1); wxString historyFile; - while ((m_fileHistoryN <= m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != _T(""))) + while ((m_fileHistoryN < m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != wxT(""))) { - m_fileHistory[m_fileHistoryN] = copystring((const wxChar*) historyFile); + m_fileHistory[m_fileHistoryN] = MYcopystring((const wxChar*) historyFile); m_fileHistoryN ++; - buf.Printf(_T("file%d"), m_fileHistoryN+1); - historyFile = ""; + buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1); + historyFile = wxT(""); } AddFilesToMenu(); } void wxFileHistory::Save(wxConfigBase& config) { - int i; - for (i = 0; i < m_fileHistoryN; i++) + size_t i; + for (i = 0; i < m_fileMaxFiles; i++) { wxString buf; - buf.Printf(_T("file%d"), i+1); - config.Write(buf, wxString(m_fileHistory[i])); + buf.Printf(wxT("file%d"), (int)i+1); + if (i < m_fileHistoryN) + config.Write(buf, wxString(m_fileHistory[i])); + else + config.Write(buf, wxEmptyString); } } #endif // wxUSE_CONFIG @@ -1921,22 +2250,26 @@ void wxFileHistory::AddFilesToMenu() { if (m_fileHistoryN > 0) { - wxNode* node = m_fileMenus.First(); + wxList::compatibility_iterator node = m_fileMenus.GetFirst(); while (node) { - wxMenu* menu = (wxMenu*) node->Data(); - menu->AppendSeparator(); - int i; + wxMenu* menu = (wxMenu*) node->GetData(); + if (menu->GetMenuItemCount()) + { + menu->AppendSeparator(); + } + + size_t i; for (i = 0; i < m_fileHistoryN; i++) { if (m_fileHistory[i]) { wxString buf; - buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]); - menu->Append(wxID_FILE1+i, buf); + buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]); + menu->Append(m_idBase+i, buf); } } - node = node->Next(); + node = node->GetNext(); } } } @@ -1945,15 +2278,19 @@ void wxFileHistory::AddFilesToMenu(wxMenu* menu) { if (m_fileHistoryN > 0) { - menu->AppendSeparator(); - int i; + if (menu->GetMenuItemCount()) + { + menu->AppendSeparator(); + } + + size_t i; for (i = 0; i < m_fileHistoryN; i++) { if (m_fileHistory[i]) { wxString buf; - buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]); - menu->Append(wxID_FILE1+i, buf); + buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]); + menu->Append(m_idBase+i, buf); } } } @@ -1965,41 +2302,99 @@ void wxFileHistory::AddFilesToMenu(wxMenu* menu) // ---------------------------------------------------------------------------- #if wxUSE_STD_IOSTREAM -bool wxTransferFileToStream(const wxString& filename, ostream& stream) -{ - FILE *fd1; - int ch; - if ((fd1 = fopen (filename.fn_str(), "rb")) == NULL) +bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream) +{ + wxFFile file(filename, _T("rb")); + if ( !file.IsOpened() ) return FALSE; - while ((ch = getc (fd1)) != EOF) - stream << (unsigned char)ch; + char buf[4096]; + + size_t nRead; + do + { + nRead = file.Read(buf, WXSIZEOF(buf)); + if ( file.Error() ) + return FALSE; + + stream.write(buf, nRead); + if ( !stream ) + return FALSE; + } + while ( !file.Eof() ); - fclose (fd1); return TRUE; } -bool wxTransferStreamToFile(istream& stream, const wxString& filename) +bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename) { - FILE *fd1; - int ch; + wxFFile file(filename, _T("wb")); + if ( !file.IsOpened() ) + return FALSE; - if ((fd1 = fopen (filename.fn_str(), "wb")) == NULL) + char buf[4096]; + do { + stream.read(buf, WXSIZEOF(buf)); + if ( !stream.bad() ) // fail may be set on EOF, don't use operator!() + { + if ( !file.Write(buf, stream.gcount()) ) + return FALSE; + } + } + while ( !stream.eof() ); + + return TRUE; +} + +#else // !wxUSE_STD_IOSTREAM + +bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream) +{ + wxFFile file(filename, _T("rb")); + if ( !file.IsOpened() ) return FALSE; + + char buf[4096]; + + size_t nRead; + do + { + nRead = file.Read(buf, WXSIZEOF(buf)); + if ( file.Error() ) + return FALSE; + + stream.Write(buf, nRead); + if ( !stream ) + return FALSE; } + while ( !file.Eof() ); - while (!stream.eof()) + return TRUE; +} + +bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename) +{ + wxFFile file(filename, _T("wb")); + if ( !file.IsOpened() ) + return FALSE; + + char buf[4096]; + do { - ch = stream.get(); - if (!stream.eof()) - putc (ch, fd1); + stream.Read(buf, WXSIZEOF(buf)); + + const size_t nRead = stream.LastRead(); + if ( !nRead || !file.Write(buf, nRead) ) + return FALSE; } - fclose (fd1); + while ( !stream.Eof() ); + return TRUE; } -#endif + +#endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM #endif // wxUSE_DOC_VIEW_ARCHITECTURE