X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/debe6624c1e9d4bf3243381153d1e173c849bcd8..af58844636f51ca9c9350c66de3baf427d3e8646:/src/common/docview.cpp diff --git a/src/common/docview.cpp b/src/common/docview.cpp index 81d86a85a2..51c55bcaf3 100644 --- a/src/common/docview.cpp +++ b/src/common/docview.cpp @@ -1,1386 +1,1902 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: docview.cpp +// Name: src/common/docview.cpp // Purpose: Document/view classes // Author: Julian Smart -// Modified by: +// Modified by: Vadim Zeitlin // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "docview.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif -#ifndef WX_PRECOMP -#include "wx/defs.h" -#endif +#if wxUSE_DOC_VIEW_ARCHITECTURE -#if USE_DOC_VIEW_ARCHITECTURE +#include "wx/docview.h" #ifndef WX_PRECOMP -#include "wx/utils.h" -#include "wx/app.h" -#include "wx/dc.h" -#include "wx/dialog.h" -#include "wx/menu.h" -#include "wx/list.h" -#include "wx/filedlg.h" + #include "wx/list.h" + #include "wx/string.h" + #include "wx/utils.h" + #include "wx/app.h" + #include "wx/dc.h" + #include "wx/dialog.h" + #include "wx/menu.h" + #include "wx/filedlg.h" + #include "wx/intl.h" + #include "wx/log.h" + #include "wx/msgdlg.h" + #include "wx/mdi.h" + #include "wx/choicdlg.h" #endif -#include "wx/msgdlg.h" -#include "wx/choicdlg.h" -#include "wx/docview.h" -#include "wx/printdlg.h" -#include "wx/generic/prntdlgg.h" -#include "wx/generic/printps.h" - -/* -#ifdef __WINDOWS__ -#include "wx/mdi.h" +#if wxUSE_PRINTING_ARCHITECTURE + #include "wx/prntbase.h" + #include "wx/printdlg.h" #endif -*/ - -#include -#include -#if USE_IOSTREAMH -#include +#include "wx/confbase.h" +#include "wx/filename.h" +#include "wx/file.h" +#include "wx/ffile.h" +#include "wx/cmdproc.h" +#include "wx/tokenzr.h" +#include "wx/filename.h" +#include "wx/stdpaths.h" +#include "wx/vector.h" +#include "wx/scopedarray.h" +#include "wx/scopedptr.h" +#include "wx/except.h" + +#if wxUSE_STD_IOSTREAM + #include "wx/ioswrap.h" + #include "wx/beforestd.h" + #if wxUSE_IOSTREAMH + #include + #else + #include + #endif + #include "wx/afterstd.h" #else -#include + #include "wx/wfstream.h" #endif -#include "fstream.h" +typedef wxVector wxDocTemplates; + +// ---------------------------------------------------------------------------- +// 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 USE_PRINTING_ARCHITECTURE -IMPLEMENT_DYNAMIC_CLASS(wxDocPrintout, wxPrintout) + +#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_DYNAMIC_CLASS(wxPrintInfo, wxObject) -#endif -/* - * Definition of wxDocument - */ +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// private helpers +// ---------------------------------------------------------------------------- + +namespace +{ + +wxString FindExtension(const wxString& path) +{ + wxString ext; + wxFileName::SplitPath(path, NULL, NULL, &ext); + + // VZ: extensions are considered not case sensitive - is this really a good + // idea? + return ext.MakeLower(); +} + +// return the string used for the MRU list items in the menu +// +// NB: the index n is 0-based, as usual, but the strings start from 1 +wxString GetMRUEntryLabel(int n, const wxString& path) +{ + // we need to quote '&' characters which are used for mnemonics + wxString pathInMenu(path); + pathInMenu.Replace("&", "&&"); + + return wxString::Format("&%d %s", n + 1, pathInMenu); +} + +} // anonymous namespace + +// ---------------------------------------------------------------------------- +// Definition of wxDocument +// ---------------------------------------------------------------------------- wxDocument::wxDocument(wxDocument *parent) { - m_documentModified=FALSE; - m_documentFile=""; - m_documentTitle=""; - m_documentParent=parent; - m_documentTemplate = NULL; - m_documentTypeName = ""; - m_savedYet = FALSE; + m_documentModified = false; + m_documentParent = parent; + m_documentTemplate = NULL; + m_commandProcessor = NULL; + m_savedYet = false; } -bool wxDocument::DeleteContents(void) +bool wxDocument::DeleteContents() { - return TRUE; + return true; } -wxDocument::~wxDocument(void) +wxDocument::~wxDocument() { - DeleteContents(); + DeleteContents(); - 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, we've called destructors higher up. -// DeleteAllViews(); + // 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, + // we've called destructors higher up. + //DeleteAllViews(); } - -bool wxDocument::Close(void) + +bool wxDocument::Close() { - if (OnSaveModified()) + if ( !OnSaveModified() ) + return false; + return OnCloseDocument(); - else - return FALSE; } - -bool wxDocument::OnCloseDocument(void) + +bool wxDocument::OnCloseDocument() { - DeleteContents(); - Modify(FALSE); - return TRUE; + // Tell all views that we're about to close + NotifyClosing(); + DeleteContents(); + Modify(false); + return true; } -// Note that this implicitly deletes the document when -// the last view is deleted. -bool wxDocument::DeleteAllViews(void) +// Note that this implicitly deletes the document when the last view is +// deleted. +bool wxDocument::DeleteAllViews() { - wxNode *node = m_documentViews.First(); - while (node) - { - wxView *view = (wxView *)node->Data(); - if (!view->Close()) - return FALSE; + wxDocManager* manager = GetDocumentManager(); - wxNode *next = node->Next(); - - delete view; // Deletes node implicitly - node = next; - } - return TRUE; + // first check if all views agree to be closed + const wxList::iterator end = m_documentViews.end(); + for ( wxList::iterator i = m_documentViews.begin(); i != end; ++i ) + { + wxView *view = (wxView *)*i; + if ( !view->Close() ) + return false; + } + + // all views agreed to close, now do close them + if ( m_documentViews.empty() ) + { + // normally the document would be implicitly deleted when the last view + // is, but if don't have any views, do it here instead + if ( manager && manager->GetDocuments().Member(this) ) + delete this; + } + else // have views + { + // as we delete elements we iterate over, don't use the usual "from + // begin to end" loop + for ( ;; ) + { + wxView *view = (wxView *)*m_documentViews.begin(); + + bool isLastOne = m_documentViews.size() == 1; + + // this always deletes the node implicitly and if this is the last + // view also deletes this object itself (also implicitly, great), + // so we can't test for m_documentViews.empty() after calling this! + delete view; + + if ( isLastOne ) + break; + } + } + + return true; } -wxView *wxDocument::GetFirstView(void) const +wxView *wxDocument::GetFirstView() const { - if (m_documentViews.Number() == 0) - return NULL; - return (wxView *)m_documentViews.First()->Data(); + if ( m_documentViews.empty() ) + return NULL; + + return static_cast(m_documentViews.GetFirst()->GetData()); } -wxDocManager *wxDocument::GetDocumentManager(void) const +wxDocManager *wxDocument::GetDocumentManager() const { - return m_documentTemplate->GetDocumentManager(); + return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL; } -bool wxDocument::OnNewDocument(void) +bool wxDocument::OnNewDocument() { - if (!OnSaveModified()) - return FALSE; - - if (OnCloseDocument()==FALSE) return FALSE; - DeleteContents(); - Modify(FALSE); - SetDocumentSaved(FALSE); + // notice that there is no need to neither reset nor even check the + // modified flag here as the document itself is a new object (this is only + // called from CreateDocument()) and so it shouldn't be saved anyhow even + // if it is modified -- this could happen if the user code creates + // documents pre-filled with some user-entered (and which hence must not be + // lost) information + + SetDocumentSaved(false); - wxString name; - GetDocumentManager()->MakeDefaultName(name); - SetTitle(name); - SetFilename(name, TRUE); + const wxString name = GetDocumentManager()->MakeNewDocumentName(); + SetTitle(name); + SetFilename(name, true); - return TRUE; + return true; } -bool wxDocument::Save(void) +bool wxDocument::Save() { - bool ret = FALSE; + if ( AlreadySaved() ) + return true; - if (!IsModified()) return TRUE; - if (m_documentFile == "" || !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(void) + +bool wxDocument::SaveAs() { - wxDocTemplate *docTemplate = GetDocumentTemplate(); - if (!docTemplate) - return FALSE; - - char *tmp = wxFileSelector("Save as", docTemplate->GetDirectory(), GetFilename(), - docTemplate->GetDefaultExtension(), docTemplate->GetFileFilter(), - 0, GetDocumentWindow()); - - if (!tmp) - return FALSE; - else - { - SetFilename(tmp); - SetTitle(wxFileNameFromPath(tmp)); - - GetDocumentManager()->AddFileToHistory(tmp); + wxDocTemplate *docTemplate = GetDocumentTemplate(); + if (!docTemplate) + return false; - // Notify the views that the filename has changed - wxNode *node = m_documentViews.First(); - while (node) +#ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS + 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()) { - wxView *view = (wxView *)node->Data(); - view->OnChangeFilename(); - node = node->Next(); + wxList::compatibility_iterator + node = docTemplate->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.empty() ) + filter << wxT('|'); + + filter << t->GetDescription() + << wxT(" (") << t->GetFileFilter() << wxT(") |") + << t->GetFileFilter(); + } + + node = node->GetNext(); + } } - } - return OnSaveDocument(m_documentFile); +#else + wxString filter = docTemplate->GetFileFilter() ; +#endif + + wxString defaultDir = docTemplate->GetDirectory(); + if ( defaultDir.empty() ) + { + defaultDir = wxPathOnly(GetFilename()); + if ( defaultDir.empty() ) + defaultDir = GetDocumentManager()->GetLastDirectory(); + } + + wxString fileName = wxFileSelector(_("Save As"), + defaultDir, + wxFileNameFromPath(GetFilename()), + docTemplate->GetDefaultExtension(), + filter, + wxFD_SAVE | wxFD_OVERWRITE_PROMPT, + GetDocumentWindow()); + + if (fileName.empty()) + return false; // cancelled by user + + wxString ext; + wxFileName::SplitPath(fileName, NULL, NULL, &ext); + + if (ext.empty()) + { + fileName += wxT("."); + fileName += docTemplate->GetDefaultExtension(); + } + + // Files that were not saved correctly are not added to the FileHistory. + if (!OnSaveDocument(fileName)) + return false; + + SetTitle(wxFileNameFromPath(fileName)); + SetFilename(fileName, true); // will call OnChangeFileName automatically + + // 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) { - if (file == "") - return FALSE; - - wxString msgTitle; - if (wxTheApp->GetAppName() != "") - msgTitle = wxTheApp->GetAppName(); - else - msgTitle = wxString("File error"); - - ofstream store(file); - if (store.fail() || store.bad()) - { - (void)wxMessageBox("Sorry, could not open this file for saving.", msgTitle, wxOK | wxICON_EXCLAMATION, - GetDocumentWindow()); - // Saving error - return FALSE; - } - if (SaveObject(store)==FALSE) - { - (void)wxMessageBox("Sorry, could not save this file.", msgTitle, wxOK | wxICON_EXCLAMATION, - GetDocumentWindow()); - // Saving error - return FALSE; - } - Modify(FALSE); - SetFilename(file); - return TRUE; -} - + if ( !file ) + return false; + + if ( !DoSaveDocument(file) ) + return false; + + Modify(false); + SetFilename(file); + SetDocumentSaved(true); +#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON + wxFileName fn(file) ; + fn.MacSetDefaultTypeAndCreator() ; +#endif + return true; +} + bool wxDocument::OnOpenDocument(const wxString& file) { - if (!OnSaveModified()) - return FALSE; + // notice that there is no need to check the modified flag here for the + // reasons explained in OnNewDocument() + + if ( !DoOpenDocument(file) ) + return false; + + SetFilename(file, true); - wxString msgTitle; - if (wxTheApp->GetAppName() != "") - msgTitle = wxTheApp->GetAppName(); - else - msgTitle = wxString("File error"); + // stretching the logic a little this does make sense because the document + // had been saved into the file we just loaded it from, it just could have + // happened during a previous program execution, it's just that the name of + // this method is a bit unfortunate, it should probably have been called + // HasAssociatedFileName() + SetDocumentSaved(true); - ifstream store(file); - if (store.fail() || store.bad()) - { - (void)wxMessageBox("Sorry, could not open this file.", msgTitle, wxOK|wxICON_EXCLAMATION, - GetDocumentWindow()); - return FALSE; - } - if (LoadObject(store)==FALSE) - { - (void)wxMessageBox("Sorry, could not open this file.", msgTitle, wxOK|wxICON_EXCLAMATION, - GetDocumentWindow()); - return FALSE; - } - SetFilename(file, TRUE); - Modify(FALSE); + UpdateAllViews(); - UpdateAllViews(); - - return TRUE; + return true; } - -istream& wxDocument::LoadObject(istream& stream) -{ -// wxObject::LoadObject(stream); - return stream; +#if wxUSE_STD_IOSTREAM +wxSTD istream& wxDocument::LoadObject(wxSTD istream& stream) +#else +wxInputStream& wxDocument::LoadObject(wxInputStream& stream) +#endif +{ + return stream; } -ostream& wxDocument::SaveObject(ostream& stream) +#if wxUSE_STD_IOSTREAM +wxSTD ostream& wxDocument::SaveObject(wxSTD ostream& stream) +#else +wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream) +#endif { -// wxObject::SaveObject(stream); - - return stream; + return stream; } -bool wxDocument::Revert(void) +bool wxDocument::Revert() { - return FALSE; + return false; } // Get title, or filename if no title, else unnamed +#if WXWIN_COMPATIBILITY_2_8 bool wxDocument::GetPrintableName(wxString& buf) const { - if (m_documentTitle != "") - { - buf = m_documentTitle; - return TRUE; - } - else if (m_documentFile != "") - { - buf = wxFileNameFromPath(m_documentFile); - return TRUE; - } - else - { - buf = "unnamed"; - return TRUE; - } + // this function can not only be overridden by the user code but also + // called by it so we need to ensure that we return the same thing as + // GetUserReadableName() but we can't call it because this would result in + // an infinite recursion, hence we use the helper DoGetUserReadableName() + buf = DoGetUserReadableName(); + + return true; } +#endif // WXWIN_COMPATIBILITY_2_8 -wxWindow *wxDocument::GetDocumentWindow(void) const +wxString wxDocument::GetUserReadableName() const { - wxView *view = GetFirstView(); - if (view) - return view->GetFrame(); - else - return wxTheApp->GetTopWindow(); +#if WXWIN_COMPATIBILITY_2_8 + // we need to call the old virtual function to ensure that the overridden + // version of it is still called + wxString name; + if ( GetPrintableName(name) ) + return name; +#endif // WXWIN_COMPATIBILITY_2_8 + + return DoGetUserReadableName(); } -wxCommandProcessor *wxDocument::OnCreateCommandProcessor(void) +wxString wxDocument::DoGetUserReadableName() const { - return new wxCommandProcessor; + if ( !m_documentTitle.empty() ) + return m_documentTitle; + + if ( !m_documentFile.empty() ) + return wxFileNameFromPath(m_documentFile); + + return _("unnamed"); } -// TRUE if safe to close -bool wxDocument::OnSaveModified(void) +wxWindow *wxDocument::GetDocumentWindow() const { - if (IsModified()) - { - char buf[400]; - wxString title; - GetPrintableName(title); + wxView * const view = GetFirstView(); - wxString msgTitle; - if (wxTheApp->GetAppName() != "") - msgTitle = wxTheApp->GetAppName(); - else - msgTitle = wxString("Warning"); + return view ? view->GetFrame() : wxTheApp->GetTopWindow(); +} + +wxCommandProcessor *wxDocument::OnCreateCommandProcessor() +{ + return new wxCommandProcessor; +} - sprintf(buf, "Do you want to save changes to document %s?", (const char *)title); - int res = wxMessageBox(buf, msgTitle, wxYES_NO|wxCANCEL|wxICON_QUESTION, - GetDocumentWindow()); - if (res == wxNO) +// true if safe to close +bool wxDocument::OnSaveModified() +{ + if ( IsModified() ) { - Modify(FALSE); - return TRUE; + switch ( wxMessageBox + ( + wxString::Format + ( + _("Do you want to save changes to %s?"), + GetUserReadableName() + ), + wxTheApp->GetAppDisplayName(), + wxYES_NO | wxCANCEL | wxICON_QUESTION | wxCENTRE + ) ) + { + case wxNO: + Modify(false); + break; + + case wxYES: + return Save(); + + case wxCANCEL: + return false; + } } - else if (res == wxYES) - return Save(); - else if (res == wxCANCEL) - return FALSE; - } - return TRUE; + + return true; } bool wxDocument::Draw(wxDC& WXUNUSED(context)) { - return TRUE; + return true; } bool wxDocument::AddView(wxView *view) { - if (!m_documentViews.Member(view)) - { - m_documentViews.Append(view); - OnChangedViewList(); - } - return TRUE; + if ( !m_documentViews.Member(view) ) + { + m_documentViews.Append(view); + OnChangedViewList(); + } + return true; } bool wxDocument::RemoveView(wxView *view) { - (void)m_documentViews.DeleteObject(view); - OnChangedViewList(); - return TRUE; + (void)m_documentViews.DeleteObject(view); + OnChangedViewList(); + return true; } bool wxDocument::OnCreate(const wxString& WXUNUSED(path), long flags) { - if (GetDocumentTemplate()->CreateView(this, flags)) - return TRUE; - else - return FALSE; + return GetDocumentTemplate()->CreateView(this, flags) != NULL; } // Called after a view is added or removed. // The default implementation deletes the document if // there are no more views. -void wxDocument::OnChangedViewList(void) +void wxDocument::OnChangedViewList() +{ + if ( m_documentViews.empty() && OnSaveModified() ) + delete this; +} + +void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint) { - if (m_documentViews.Number() == 0) - { - if (OnSaveModified()) + wxList::compatibility_iterator node = m_documentViews.GetFirst(); + while (node) { - delete this; + wxView *view = (wxView *)node->GetData(); + if (view != sender) + view->OnUpdate(sender, hint); + node = node->GetNext(); } - } } -void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint) +void wxDocument::NotifyClosing() { - wxNode *node = m_documentViews.First(); - while (node) - { - wxView *view = (wxView *)node->Data(); - view->OnUpdate(sender, hint); - node = node->Next(); - } + wxList::compatibility_iterator node = m_documentViews.GetFirst(); + while (node) + { + wxView *view = (wxView *)node->GetData(); + view->OnClosingDocument(); + node = node->GetNext(); + } } void wxDocument::SetFilename(const wxString& filename, bool notifyViews) { - m_documentFile = filename; - if ( notifyViews ) - { - // Notify the views that the filename has changed - wxNode *node = m_documentViews.First(); - while (node) + m_documentFile = filename; + OnChangeFilename(notifyViews); +} + +void wxDocument::OnChangeFilename(bool notifyViews) +{ + if ( notifyViews ) + { + // Notify the views that the filename has changed + wxList::compatibility_iterator node = m_documentViews.GetFirst(); + while (node) + { + wxView *view = (wxView *)node->GetData(); + view->OnChangeFilename(); + node = node->GetNext(); + } + } +} + +bool wxDocument::DoSaveDocument(const wxString& file) +{ +#if wxUSE_STD_IOSTREAM + wxSTD ofstream store(file.mb_str(), wxSTD ios::binary); + if ( !store ) +#else + wxFileOutputStream store(file); + if ( store.GetLastError() != wxSTREAM_NO_ERROR ) +#endif + { + wxLogError(_("File \"%s\" could not be opened for writing."), file); + return false; + } + + if (!SaveObject(store)) + { + wxLogError(_("Failed to save document to the file \"%s\"."), file); + return false; + } + + return true; +} + +bool wxDocument::DoOpenDocument(const wxString& file) +{ +#if wxUSE_STD_IOSTREAM + wxSTD ifstream store(file.mb_str(), wxSTD ios::binary); + if ( !store ) +#else + wxFileInputStream store(file); + if (store.GetLastError() != wxSTREAM_NO_ERROR || !store.IsOk()) +#endif + { + wxLogError(_("File \"%s\" could not be opened for reading."), file); + return false; + } + +#if wxUSE_STD_IOSTREAM + LoadObject(store); + if ( !store ) +#else + int res = LoadObject(store).GetLastError(); + if ( res != wxSTREAM_NO_ERROR && res != wxSTREAM_EOF ) +#endif { - wxView *view = (wxView *)node->Data(); - view->OnChangeFilename(); - node = node->Next(); + wxLogError(_("Failed to read document from the file \"%s\"."), file); + return false; } - } + + return true; } -/* - * Document view - */ - -wxView::wxView(wxDocument *doc) +// ---------------------------------------------------------------------------- +// Document view +// ---------------------------------------------------------------------------- + +wxView::wxView() +{ + m_viewDocument = NULL; + + m_viewFrame = NULL; + + m_docChildFrame = NULL; +} + +wxView::~wxView() { - SetDocument(doc); - - m_viewTypeName = ""; - m_viewFrame = NULL; + GetDocumentManager()->ActivateView(this, false); + + // reset our frame view first, before removing it from the document as + // SetView(NULL) is a simple call while RemoveView() may result in user + // code being executed and this user code can, for example, show a message + // box which would result in an activation event for m_docChildFrame and so + // could reactivate the view being destroyed -- unless we reset it first + if ( m_docChildFrame && m_docChildFrame->GetView() == this ) + { + // prevent it from doing anything with us + m_docChildFrame->SetView(NULL); + + // it doesn't make sense to leave the frame alive if its associated + // view doesn't exist any more so unconditionally close it as well + // + // notice that we only get here if m_docChildFrame is non-NULL in the + // first place and it will be always NULL if we're deleted because our + // frame was closed, so this only catches the case of directly deleting + // the view, as it happens if its creation fails in wxDocTemplate:: + // CreateView() for example + m_docChildFrame->GetWindow()->Destroy(); + } + + if ( m_viewDocument ) + m_viewDocument->RemoveView(this); } -wxView::~wxView(void) +void wxView::SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame) { - GetDocumentManager()->ActivateView(this, FALSE, TRUE); - m_viewDocument->RemoveView(this); + SetFrame(docChildFrame ? docChildFrame->GetWindow() : NULL); + m_docChildFrame = docChildFrame; } -// Extend event processing to search the document's event table -bool wxView::ProcessEvent(wxEvent& event) +bool wxView::TryBefore(wxEvent& event) { - if ( !GetDocument() || !GetDocument()->ProcessEvent(event) ) - return wxEvtHandler::ProcessEvent(event); - else - return TRUE; + wxDocument * const doc = GetDocument(); + return doc && doc->ProcessEventHere(event); } -void wxView::OnActivateView(bool WXUNUSED(activate), wxView *WXUNUSED(activeView), wxView *WXUNUSED(deactiveView)) +void wxView::OnActivateView(bool WXUNUSED(activate), + wxView *WXUNUSED(activeView), + wxView *WXUNUSED(deactiveView)) { } void wxView::OnPrint(wxDC *dc, wxObject *WXUNUSED(info)) { - OnDraw(dc); + OnDraw(dc); } void wxView::OnUpdate(wxView *WXUNUSED(sender), wxObject *WXUNUSED(hint)) { } -void wxView::OnChangeFilename(void) +void wxView::OnChangeFilename() { - if (GetFrame() && GetDocument()) - { - wxString name; - GetDocument()->GetPrintableName(name); + // GetFrame can return wxWindow rather than wxTopLevelWindow due to + // generic MDI implementation so use SetLabel rather than SetTitle. + // It should cause SetTitle() for top level windows. + wxWindow *win = GetFrame(); + if (!win) return; - // If the frame is an MDI child, just set the title - // to the name. - // Otherwise, append the document name to the name of the application -#ifdef __WINDOWS__ - if (GetFrame()->IsKindOf(CLASSINFO(wxMDIChildFrame))) -#else - if (FALSE) -#endif - { - GetFrame()->SetTitle(name); - } - else - { - if (wxTheApp->GetAppName() != "") - { - char buf[400]; - sprintf(buf, "%s - %s", (const char *)wxTheApp->GetAppName(), (const char *)name); - GetFrame()->SetTitle(buf); - } - else - GetFrame()->SetTitle(name); - } - } + wxDocument *doc = GetDocument(); + if (!doc) return; + + win->SetLabel(doc->GetUserReadableName()); } void wxView::SetDocument(wxDocument *doc) { - m_viewDocument = doc; - if (doc) - doc->AddView(this); + m_viewDocument = doc; + if (doc) + doc->AddView(this); } bool wxView::Close(bool deleteWindow) { - if (OnClose(deleteWindow)) - return TRUE; - else - return FALSE; + return OnClose(deleteWindow); } void wxView::Activate(bool activate) { - if (GetDocumentManager()) - { - OnActivateView(activate, this, GetDocumentManager()->GetCurrentView()); - GetDocumentManager()->ActivateView(this, activate); - } + if (GetDocument() && GetDocumentManager()) + { + OnActivateView(activate, this, GetDocumentManager()->GetCurrentView()); + GetDocumentManager()->ActivateView(this, activate); + } } bool wxView::OnClose(bool WXUNUSED(deleteWindow)) { - return GetDocument() ? GetDocument()->Close() : TRUE; + return GetDocument() ? GetDocument()->Close() : true; } -#if USE_PRINTING_ARCHITECTURE -wxPrintout *wxView::OnCreatePrintout(void) +#if wxUSE_PRINTING_ARCHITECTURE +wxPrintout *wxView::OnCreatePrintout() { - return new wxDocPrintout(this); + return new wxDocPrintout(this); } -#endif - +#endif // wxUSE_PRINTING_ARCHITECTURE -/* - * wxDocTemplate - */ +// ---------------------------------------------------------------------------- +// wxDocTemplate +// ---------------------------------------------------------------------------- -wxDocTemplate::wxDocTemplate(wxDocManager *manager, const wxString& descr, - const wxString& filter, const wxString& dir, const wxString& ext, - const wxString& docTypeName, const wxString& viewTypeName, - wxClassInfo *docClassInfo, wxClassInfo *viewClassInfo, long flags) +wxDocTemplate::wxDocTemplate(wxDocManager *manager, + const wxString& descr, + const wxString& filter, + const wxString& dir, + const wxString& ext, + const wxString& docTypeName, + const wxString& viewTypeName, + wxClassInfo *docClassInfo, + wxClassInfo *viewClassInfo, + long flags) { - m_documentManager = manager; - m_flags = flags; - m_description = descr; - m_directory = dir; - m_defaultExt = ext; - m_fileFilter = filter; - m_flags = flags; - m_docTypeName = docTypeName; - m_viewTypeName = viewTypeName; - m_documentManager->AssociateTemplate(this); + m_documentManager = manager; + m_description = descr; + m_directory = dir; + m_defaultExt = ext; + m_fileFilter = filter; + m_flags = flags; + m_docTypeName = docTypeName; + m_viewTypeName = viewTypeName; + m_documentManager->AssociateTemplate(this); - m_docClassInfo = docClassInfo; - m_viewClassInfo = viewClassInfo; + m_docClassInfo = docClassInfo; + m_viewClassInfo = viewClassInfo; } -wxDocTemplate::~wxDocTemplate(void) +wxDocTemplate::~wxDocTemplate() { - m_documentManager->DisassociateTemplate(this); + m_documentManager->DisassociateTemplate(this); } - -// Tries to dynamically construct an object of the right -// class. + +// Tries to dynamically construct an object of the right class. wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags) { - if (!m_docClassInfo) - return NULL; - wxDocument *doc = (wxDocument *)m_docClassInfo->CreateObject(); - doc->SetFilename(path); - doc->SetDocumentTemplate(this); - GetDocumentManager()->AddDocument(doc); - doc->SetCommandProcessor(doc->OnCreateCommandProcessor()); - - if (doc->OnCreate(path, flags)) - return doc; - else - { - delete doc; - return NULL; - } + // InitDocument() is supposed to delete the document object if its + // initialization fails so don't use wxScopedPtr<> here: this is fragile + // but unavoidable because the default implementation uses CreateView() + // which may -- or not -- create a wxView and if it does create it and its + // initialization fails then the view destructor will delete the document + // (via RemoveView()) and as we can't distinguish between the two cases we + // just have to assume that it always deletes it in case of failure + wxDocument * const doc = DoCreateDocument(); + + return doc && InitDocument(doc, path, flags) ? doc : 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 true; + + if (GetDocumentManager()->GetDocuments().Member(doc)) + doc->DeleteAllViews(); + return false; } wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags) { - if (!m_viewClassInfo) - return NULL; - wxView *view = (wxView *)m_viewClassInfo->CreateObject(); - view->SetDocument(doc); - if (view->OnCreate(doc, flags)) - { - return view; - } - else - { - delete view; - return NULL; - } + wxScopedPtr view(DoCreateView()); + if ( !view ) + return NULL; + + view->SetDocument(doc); + if ( !view->OnCreate(doc, flags) ) + return NULL; + + return view.release(); } +// The default (very primitive) format detection: check is the extension is +// that of the template +bool wxDocTemplate::FileMatchesTemplate(const wxString& path) +{ + wxStringTokenizer parser (GetFileFilter(), wxT(";")); + wxString anything = wxT ("*"); + while (parser.HasMoreTokens()) + { + wxString filter = parser.GetNextToken(); + wxString filterExt = FindExtension (filter); + if ( filter.IsSameAs (anything) || + filterExt.IsSameAs (anything) || + filterExt.IsSameAs (FindExtension (path)) ) + return true; + } + return GetDefaultExtension().IsSameAs(FindExtension(path)); +} + +wxDocument *wxDocTemplate::DoCreateDocument() +{ + if (!m_docClassInfo) + return NULL; + + return static_cast(m_docClassInfo->CreateObject()); +} + +wxView *wxDocTemplate::DoCreateView() +{ + if (!m_viewClassInfo) + return NULL; + + return static_cast(m_viewClassInfo->CreateObject()); +} + +// ---------------------------------------------------------------------------- +// wxDocManager +// ---------------------------------------------------------------------------- + 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::OnUpdateDisableIfNoDoc) + EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateDisableIfNoDoc) + EVT_UPDATE_UI(wxID_REVERT, wxDocManager::OnUpdateDisableIfNoDoc) + EVT_UPDATE_UI(wxID_NEW, wxDocManager::OnUpdateFileNew) + EVT_UPDATE_UI(wxID_SAVE, wxDocManager::OnUpdateFileSave) + EVT_UPDATE_UI(wxID_SAVEAS, wxDocManager::OnUpdateDisableIfNoDoc) + 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::OnUpdateDisableIfNoDoc) + EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdateDisableIfNoDoc) +#endif END_EVENT_TABLE() -wxDocManager::wxDocManager(long flags, bool initialize) +wxDocManager* wxDocManager::sm_docManager = NULL; + +wxDocManager::wxDocManager(long WXUNUSED(flags), bool initialize) { - m_defaultDocumentNameCounter = 1; - m_flags = flags; - m_currentView = NULL; - m_maxDocsOpen = 10000; - m_fileHistory = NULL; - if (initialize) - Initialize(); + wxASSERT_MSG( !sm_docManager, "multiple wxDocManagers not allowed" ); + + sm_docManager = this; + + m_defaultDocumentNameCounter = 1; + m_currentView = NULL; + m_maxDocsOpen = INT_MAX; + m_fileHistory = NULL; + if ( initialize ) + Initialize(); } -wxDocManager::~wxDocManager(void) +wxDocManager::~wxDocManager() { - Clear(); - if (m_fileHistory) + Clear(); delete m_fileHistory; + sm_docManager = NULL; } -bool wxDocManager::Clear(bool force) +// closes the specified document +bool wxDocManager::CloseDocument(wxDocument* doc, bool force) { - wxNode *node = m_docs.First(); - while (node) - { - wxDocument *doc = (wxDocument *)node->Data(); - wxNode *next = node->Next(); + if ( !doc->Close() && !force ) + return false; - 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; - - // 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(); - while (node) - { - wxDocTemplate *templ = (wxDocTemplate*) node->Data(); - wxNode* next = node->Next(); + delete doc; + + return true; +} + +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; + } + return true; +} + +bool wxDocManager::Clear(bool force) +{ + if (!CloseDocuments(force)) + return false; + + m_currentView = NULL; + + wxList::compatibility_iterator node = m_templates.GetFirst(); + while (node) + { + wxDocTemplate *templ = (wxDocTemplate*) node->GetData(); + wxList::compatibility_iterator next = node->GetNext(); delete templ; node = next; - } - return TRUE; + } + return true; +} + +bool wxDocManager::Initialize() +{ + m_fileHistory = OnCreateFileHistory(); + return true; } -bool wxDocManager::Initialize(void) +wxString wxDocManager::GetLastDirectory() const { - m_fileHistory = OnCreateFileHistory(); - return TRUE; + // if we haven't determined the last used directory yet, do it now + if ( m_lastDirectory.empty() ) + { + // we're going to modify m_lastDirectory in this const method, so do it + // via non-const self pointer instead of const this one + wxDocManager * const self = const_cast(this); + + // first try to reuse the directory of the most recently opened file: + // this ensures that if the user opens a file, closes the program and + // runs it again the "Open file" dialog will open in the directory of + // the last file he used + wxString lastOpened = GetHistoryFile(0); + if ( !lastOpened.empty() ) + { + const wxFileName fn(lastOpened); + if ( fn.DirExists() ) + { + self->m_lastDirectory = fn.GetPath(); + } + //else: should we try the next one? + } + + // if we don't have any files in the history (yet?), use the + // system-dependent default location for the document files + if ( m_lastDirectory.empty() ) + { + self->m_lastDirectory = wxStandardPaths::Get().GetAppDocumentsDir(); + } + } + + return m_lastDirectory; } -wxFileHistory *wxDocManager::OnCreateFileHistory(void) +wxFileHistory *wxDocManager::OnCreateFileHistory() { - return new wxFileHistory; + return new wxFileHistory; } void wxDocManager::OnFileClose(wxCommandEvent& WXUNUSED(event)) { - wxDocument *doc = GetCurrentDocument(); - if (!doc) - return; - if (doc->Close()) - { - doc->DeleteAllViews(); - if (m_docs.Member(doc)) - delete doc; - } + wxDocument *doc = GetCurrentDocument(); + if (!doc) + return; + if (doc->Close()) + { + doc->DeleteAllViews(); + if (m_docs.Member(doc)) + delete doc; + } +} + +void wxDocManager::OnFileCloseAll(wxCommandEvent& WXUNUSED(event)) +{ + CloseDocuments(false); } void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event)) { - CreateDocument(wxString(""), wxDOC_NEW); + CreateNewDocument(); } void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event)) { - CreateDocument(wxString(""), 0); + if ( !CreateDocument("") ) + { + OnOpenFileFailure(); + } } void wxDocManager::OnFileRevert(wxCommandEvent& WXUNUSED(event)) { - wxDocument *doc = GetCurrentDocument(); - if (!doc) - return; - doc->Revert(); + wxDocument *doc = GetCurrentDocument(); + if (!doc) + return; + doc->Revert(); } void wxDocManager::OnFileSave(wxCommandEvent& WXUNUSED(event)) { - wxDocument *doc = GetCurrentDocument(); - if (!doc) - return; - doc->Save(); + wxDocument *doc = GetCurrentDocument(); + if (!doc) + return; + doc->Save(); } void wxDocManager::OnFileSaveAs(wxCommandEvent& WXUNUSED(event)) { - wxDocument *doc = GetCurrentDocument(); - if (!doc) - return; - doc->SaveAs(); + wxDocument *doc = GetCurrentDocument(); + if (!doc) + return; + doc->SaveAs(); } void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event)) { - wxView *view = GetCurrentView(); - if (!view) - return; +#if wxUSE_PRINTING_ARCHITECTURE + wxView *view = GetActiveView(); + if (!view) + return; - wxPrintout *printout = view->OnCreatePrintout(); - if (printout) - { - // TODO: trouble about this is that it pulls in the postscript - // code unecessarily -#ifdef __WINDOWS__ - if ( wxTheApp->GetPrintMode() == wxPRINT_WINDOWS ) + wxPrintout *printout = view->OnCreatePrintout(); + if (printout) { - wxWindowsPrinter printer; - printer.Print(view->GetFrame(), printout, TRUE); + wxPrinter printer; + printer.Print(view->GetFrame(), printout, true); + + delete printout; } - else -#endif +#endif // wxUSE_PRINTING_ARCHITECTURE +} + +void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event)) +{ +#if wxUSE_PRINTING_ARCHITECTURE + wxView *view = GetActiveView(); + if (!view) + return; + + wxPrintout *printout = view->OnCreatePrintout(); + if (printout) { - wxPostScriptPrinter printer; - printer.Print(view->GetFrame(), printout, TRUE); + // Pass two printout objects: for preview, and possible printing. + wxPrintPreviewBase * + preview = new wxPrintPreview(printout, view->OnCreatePrintout()); + if ( !preview->Ok() ) + { + delete preview; + wxLogError(_("Print preview creation failed.")); + return; + } + + wxPreviewFrame * + frame = new wxPreviewFrame(preview, wxTheApp->GetTopWindow(), + _("Print Preview")); + frame->Centre(wxBOTH); + frame->Initialize(); + frame->Show(true); } +#endif // wxUSE_PRINTING_ARCHITECTURE +} - delete printout; - } +void wxDocManager::OnUndo(wxCommandEvent& event) +{ + wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor(); + if ( !cmdproc ) + { + event.Skip(); + return; + } + + cmdproc->Undo(); } -void wxDocManager::OnPrintSetup(wxCommandEvent& WXUNUSED(event)) +void wxDocManager::OnRedo(wxCommandEvent& event) { - wxWindow *parentWin = wxTheApp->GetTopWindow(); - wxView *view = GetCurrentView(); - if (view) - parentWin = view->GetFrame(); + wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor(); + if ( !cmdproc ) + { + event.Skip(); + return; + } - wxPrintData data; + cmdproc->Redo(); +} -#ifdef __WINDOWS__ - if ( wxTheApp->GetPrintMode() == wxPRINT_WINDOWS ) - { - wxPrintDialog printerDialog(parentWin, & data); - printerDialog.GetPrintData().SetSetupDialog(TRUE); - printerDialog.ShowModal(); - } - else -#endif - { - wxGenericPrintDialog printerDialog(parentWin, & data); - printerDialog.GetPrintData().SetSetupDialog(TRUE); - printerDialog.ShowModal(); - } +// Handlers for UI update commands + +void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event) +{ + // CreateDocument() (which is called from OnFileOpen) may succeed + // only when there is at least a template: + event.Enable( GetTemplates().GetCount()>0 ); } -void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event)) +void wxDocManager::OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event) { - wxView *view = GetCurrentView(); - if (!view) - return; - - wxPrintout *printout = view->OnCreatePrintout(); - if (printout) - { - // Pass two printout objects: for preview, and possible printing. - wxPrintPreviewBase *preview = NULL; -#ifdef __WINDOWS__ - if ( wxTheApp->GetPrintMode() == wxPRINT_WINDOWS ) - preview = new wxWindowsPrintPreview(printout, view->OnCreatePrintout()); - else -#endif - preview = new wxPostScriptPrintPreview(printout, view->OnCreatePrintout()); + event.Enable( GetCurrentDocument() != NULL ); +} - wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), "Print Preview", - wxPoint(100, 100), wxSize(600, 650)); - frame->Centre(wxBOTH); - frame->Initialize(); - frame->Show(TRUE); - } +void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event) +{ + // CreateDocument() (which is called from OnFileNew) may succeed + // only when there is at least a template: + event.Enable( GetTemplates().GetCount()>0 ); } -void wxDocManager::OnUndo(wxCommandEvent& WXUNUSED(event)) +void wxDocManager::OnUpdateFileSave(wxUpdateUIEvent& event) { - wxDocument *doc = GetCurrentDocument(); - if (!doc) - return; - if (doc->GetCommandProcessor()) - doc->GetCommandProcessor()->Undo(); + wxDocument * const doc = GetCurrentDocument(); + event.Enable( doc && !doc->AlreadySaved() ); } -void wxDocManager::OnRedo(wxCommandEvent& WXUNUSED(event)) +void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event) { - wxDocument *doc = GetCurrentDocument(); - if (!doc) - return; - if (doc->GetCommandProcessor()) - doc->GetCommandProcessor()->Redo(); + wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor(); + if ( !cmdproc ) + { + event.Enable(false); + return; + } + + event.Enable(cmdproc->CanUndo()); + cmdproc->SetMenuStrings(); } -wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags) +void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event) { - wxDocTemplate **templates = new wxDocTemplate *[m_templates.Number()]; - int i; - int n = 0; - for (i = 0; i < m_templates.Number(); i++) - { - wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data()); - if (temp->IsVisible()) + wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor(); + if ( !cmdproc ) { - templates[n] = temp; - n ++; + event.Enable(false); + return; } - } - if (n == 0) - { - delete[] templates; - return NULL; - } - // If we've reached the max number of docs, close the - // first one. - if (GetDocuments().Number() >= m_maxDocsOpen) - { - wxDocument *doc = (wxDocument *)GetDocuments().First()->Data(); - if (doc->Close()) + event.Enable(cmdproc->CanRedo()); + cmdproc->SetMenuStrings(); +} + +wxView *wxDocManager::GetActiveView() const +{ + wxView *view = GetCurrentView(); + + if ( !view && !m_docs.empty() ) { - // Implicitly deletes the document when - // the last view is deleted - doc->DeleteAllViews(); + // if we have exactly one document, consider its view to be the current + // one + // + // VZ: I'm not exactly sure why is this needed but this is how this + // code used to behave before the bug #9518 was fixed and it seems + // safer to preserve the old logic + wxList::compatibility_iterator node = m_docs.GetFirst(); + if ( !node->GetNext() ) + { + wxDocument *doc = static_cast(node->GetData()); + view = doc->GetFirstView(); + } + //else: we have more than one document + } - // Check we're really deleted - if (m_docs.Member(doc)) - delete doc; + return view; +} + +bool wxDocManager::TryBefore(wxEvent& event) +{ + wxView * const view = GetActiveView(); + return view && view->ProcessEventHere(event); +} + +namespace +{ + +// helper function: return only the visible templates +wxDocTemplates GetVisibleTemplates(const wxList& allTemplates) +{ + // select only the visible templates + const size_t totalNumTemplates = allTemplates.GetCount(); + wxDocTemplates templates; + if ( totalNumTemplates ) + { + templates.reserve(totalNumTemplates); + + for ( wxList::const_iterator i = allTemplates.begin(), + end = allTemplates.end(); + i != end; + ++i ) + { + wxDocTemplate * const temp = (wxDocTemplate *)*i; + if ( temp->IsVisible() ) + templates.push_back(temp); + } } - else - return NULL; - } - - // New document: user chooses a template, unless there's only one. - if (flags & wxDOC_NEW) - { - if (n == 1) - { - wxDocTemplate *temp = templates[0]; - delete[] templates; - wxDocument *newDoc = temp->CreateDocument(path, flags); - if (newDoc) - { - newDoc->SetDocumentName(temp->GetDocumentName()); - newDoc->SetDocumentTemplate(temp); - newDoc->OnNewDocument(); - } - return newDoc; - } - - wxDocTemplate *temp = SelectDocumentType(templates, n); - delete[] templates; - if (temp) - { - wxDocument *newDoc = temp->CreateDocument(path, flags); - if (newDoc) - { - newDoc->SetDocumentName(temp->GetDocumentName()); - newDoc->SetDocumentTemplate(temp); - newDoc->OnNewDocument(); - } - return newDoc; + + return templates; +} + +} // anonymous namespace + +wxDocument *wxDocManager::CreateDocument(const wxString& pathOrig, long flags) +{ + // this ought to be const but SelectDocumentType/Path() are not + // const-correct and can't be changed as, being virtual, this risks + // breaking user code overriding them + wxDocTemplates templates(GetVisibleTemplates(m_templates)); + const size_t numTemplates = templates.size(); + if ( !numTemplates ) + { + // no templates can be used, can't create document + return NULL; } - else - return NULL; - } - // Existing document - wxDocTemplate *temp = NULL; - wxString path2(""); - if (path != "") - path2 = path; + // normally user should select the template to use but wxDOC_SILENT flag we + // choose one ourselves + wxString path = pathOrig; // may be modified below + wxDocTemplate *temp; + if ( flags & wxDOC_SILENT ) + { + wxASSERT_MSG( !path.empty(), + "using empty path with wxDOC_SILENT doesn't make sense" ); + + temp = FindTemplateForPath(path); + if ( !temp ) + { + wxLogWarning(_("The format of file '%s' couldn't be determined."), + path); + } + } + else // not silent, ask the user + { + // for the new file we need just the template, for an existing one we + // need the template and the path, unless it's already specified + if ( (flags & wxDOC_NEW) || !path.empty() ) + temp = SelectDocumentType(&templates[0], numTemplates); + else + temp = SelectDocumentPath(&templates[0], numTemplates, path, flags); + } + + if ( !temp ) + return NULL; + + // check whether the document with this path is already opened + if ( !path.empty() ) + { + const wxFileName fn(path); + for ( wxList::const_iterator i = m_docs.begin(); i != m_docs.end(); ++i ) + { + wxDocument * const doc = (wxDocument*)*i; + + if ( fn == doc->GetFilename() ) + { + // file already open, just activate it and return + if ( doc->GetFirstView() ) + { + ActivateView(doc->GetFirstView()); + if ( doc->GetDocumentWindow() ) + doc->GetDocumentWindow()->SetFocus(); + return doc; + } + } + } + } - if (flags & wxDOC_SILENT) - temp = FindTemplateForPath(path2); - else - temp = SelectDocumentPath(templates, n, path2, flags); - delete[] templates; + // no, we need to create a new document - if (temp) - { - wxDocument *newDoc = temp->CreateDocument(path2, flags); - if (newDoc) + + // if we've reached the max number of docs, close the first one. + if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen ) { - newDoc->SetDocumentName(temp->GetDocumentName()); - newDoc->SetDocumentTemplate(temp); - if (!newDoc->OnOpenDocument(path2)) - { - delete newDoc; + if ( !CloseDocument((wxDocument *)GetDocuments().GetFirst()->GetData()) ) + { + // can't open the new document if closing the old one failed + return NULL; + } + } + + + // do create and initialize the new document finally + wxDocument * const docNew = temp->CreateDocument(path, flags); + if ( !docNew ) return NULL; - } - AddFileToHistory(path2); + + docNew->SetDocumentName(temp->GetDocumentName()); + docNew->SetDocumentTemplate(temp); + + wxTRY + { + // call the appropriate function depending on whether we're creating a + // new file or opening an existing one + if ( !(flags & wxDOC_NEW ? docNew->OnNewDocument() + : docNew->OnOpenDocument(path)) ) + { + docNew->DeleteAllViews(); + return NULL; + } } - return newDoc; - } - else - return NULL; + wxCATCH_ALL( docNew->DeleteAllViews(); throw; ) + + // add the successfully opened file to MRU, but only if we're going to be + // able to reopen it successfully later which requires the template for + // this document to be retrievable from the file extension + if ( !(flags & wxDOC_NEW) && temp->FileMatchesTemplate(path) ) + AddFileToHistory(path); + + return docNew; } 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 *temp = (wxDocTemplate *)(m_templates.Nth(i)->Data()); - if (temp->IsVisible()) - { - if (temp->GetDocumentName() == doc->GetDocumentName()) - { - templates[n] = temp; - n ++; - } - } - } - if (n == 0) - { - delete[] templates; - return NULL; - } - if (n == 1) - { - wxDocTemplate *temp = templates[0]; - delete[] templates; - wxView *view = temp->CreateView(doc, flags); - if (view) - view->SetViewName(temp->GetViewName()); - return view; - } - - wxDocTemplate *temp = SelectViewType(templates, n); - delete[] templates; - if (temp) - { + wxDocTemplates templates(GetVisibleTemplates(m_templates)); + const size_t numTemplates = templates.size(); + + if ( numTemplates == 0 ) + return NULL; + + wxDocTemplate * const + temp = numTemplates == 1 ? templates[0] + : SelectViewType(&templates[0], numTemplates); + + if ( !temp ) + return NULL; + wxView *view = temp->CreateView(doc, flags); - if (view) - view->SetViewName(temp->GetViewName()); + if ( view ) + view->SetViewName(temp->GetViewName()); return view; - } - else - return NULL; } // Not yet implemented -void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags)) +void +wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags)) { } // Not yet implemented bool wxDocManager::FlushDoc(wxDocument *WXUNUSED(doc)) { - return FALSE; + return false; } -wxDocument *wxDocManager::GetCurrentDocument(void) const +wxDocument *wxDocManager::GetCurrentDocument() const { - if (m_currentView) - return m_currentView->GetDocument(); - else - return NULL; + wxView * const view = GetActiveView(); + return view ? view->GetDocument() : NULL; +} + +wxCommandProcessor *wxDocManager::GetCurrentCommandProcessor() const +{ + wxDocument * const doc = GetCurrentDocument(); + return doc ? doc->GetCommandProcessor() : NULL; +} + +// Make a default name for a new document +#if WXWIN_COMPATIBILITY_2_8 +bool wxDocManager::MakeDefaultName(wxString& WXUNUSED(name)) +{ + // we consider that this function can only be overridden by the user code, + // not called by it as it only makes sense to call it internally, so we + // don't bother to return anything from here + return false; +} +#endif // WXWIN_COMPATIBILITY_2_8 + +wxString wxDocManager::MakeNewDocumentName() +{ + wxString name; + +#if WXWIN_COMPATIBILITY_2_8 + if ( !MakeDefaultName(name) ) +#endif // WXWIN_COMPATIBILITY_2_8 + { + name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter); + m_defaultDocumentNameCounter++; + } + + return name; } -// Make a default document name -bool wxDocManager::MakeDefaultName(wxString& name) +// 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) { - char buf[256]; - sprintf(buf, "unnamed%d", m_defaultDocumentNameCounter); - m_defaultDocumentNameCounter ++; - name = buf; - return TRUE; + wxString appName = wxTheApp->GetAppDisplayName(); + wxString title; + if (!doc) + title = appName; + else + { + wxString docName = doc->GetUserReadableName(); + title = docName + wxString(_(" - ")) + appName; + } + return title; } + // Not yet implemented wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path)) { - return NULL; + return NULL; } // File history management void wxDocManager::AddFileToHistory(const wxString& file) { - if (m_fileHistory) - m_fileHistory->AddFileToHistory(file); + if (m_fileHistory) + m_fileHistory->AddFileToHistory(file); } -wxString wxDocManager::GetHistoryFile(int i) const +void wxDocManager::RemoveFileFromHistory(size_t i) { - if (m_fileHistory) - return wxString(m_fileHistory->GetHistoryFile(i)); - else - return wxString(""); + if (m_fileHistory) + m_fileHistory->RemoveFileFromHistory(i); +} + +wxString wxDocManager::GetHistoryFile(size_t i) const +{ + wxString histFile; + + if (m_fileHistory) + histFile = m_fileHistory->GetHistoryFile(i); + + return histFile; } void wxDocManager::FileHistoryUseMenu(wxMenu *menu) { - if (m_fileHistory) - m_fileHistory->FileHistoryUseMenu(menu); + if (m_fileHistory) + m_fileHistory->UseMenu(menu); } -void wxDocManager::FileHistoryLoad(const wxString& resourceFile, const wxString& section) +void wxDocManager::FileHistoryRemoveMenu(wxMenu *menu) { - if (m_fileHistory) - m_fileHistory->FileHistoryLoad(resourceFile, section); + if (m_fileHistory) + m_fileHistory->RemoveMenu(menu); } -void wxDocManager::FileHistorySave(const wxString& resourceFile, const wxString& section) +#if wxUSE_CONFIG +void wxDocManager::FileHistoryLoad(const wxConfigBase& config) { - if (m_fileHistory) - m_fileHistory->FileHistorySave(resourceFile, section); + if (m_fileHistory) + m_fileHistory->Load(config); } -int wxDocManager::GetNoHistoryFiles(void) const +void wxDocManager::FileHistorySave(wxConfigBase& config) { - if (m_fileHistory) - return m_fileHistory->GetNoHistoryFiles(); - else - return 0; + if (m_fileHistory) + m_fileHistory->Save(config); } +#endif -static char *FindExtension(char *path) +void wxDocManager::FileHistoryAddFilesToMenu(wxMenu* menu) { - static char ext[10]; - int len = strlen(path); - if (path) - { - int i = 0; - for (i = (len-1); i > 0; i --) - if (path[i] == '.') - break; - if (path[i] == '.') - { - int j; - for (j = i+1; j < len; j++) - ext[(int)(j-(i+1))] = (char)wxToLower(path[j]); // NOTE Should not use tolower under UNIX - ext[j-(i+1)] = 0; - return ext; - } - else - return NULL; - } - else return NULL; + if (m_fileHistory) + m_fileHistory->AddFilesToMenu(menu); } +void wxDocManager::FileHistoryAddFilesToMenu() +{ + if (m_fileHistory) + m_fileHistory->AddFilesToMenu(); +} -// Given a path, try to find a matching template. Won't -// always work, of course. -wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path) +size_t wxDocManager::GetHistoryFilesCount() const { - char *theExt = FindExtension((char *)(const char *)path); - if (!theExt) - return NULL; - wxDocTemplate *theTemplate = NULL; + return m_fileHistory ? m_fileHistory->GetCount() : 0; +} - if (m_templates.Number() == 1) - return (wxDocTemplate *)m_templates.First()->Data(); - // Find the template which this extension corresponds to - int i; - for (i = 0; i < m_templates.Number(); i++) - { - wxDocTemplate *temp = (wxDocTemplate *)m_templates.Nth(i)->Data(); - if (strcmp(temp->GetDefaultExtension(), theExt) == 0) +// Find out the document template via matching in the document file format +// against that of the template +wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path) +{ + wxDocTemplate *theTemplate = NULL; + + // Find the template which this extension corresponds to + for (size_t i = 0; i < m_templates.GetCount(); i++) { - theTemplate = temp; - break; + wxDocTemplate *temp = (wxDocTemplate *)m_templates.Item(i)->GetData(); + if ( temp->FileMatchesTemplate(path) ) + { + theTemplate = temp; + break; + } } - } - return theTemplate; + return theTemplate; } // 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, - int noTemplates, wxString& path, long WXUNUSED(flags), bool WXUNUSED(save)) -{ - // We can only have multiple filters in Windows -#ifdef __WINDOWS__ - char *descrBuf = new char[1000]; - descrBuf[0] = 0; - int i; - for (i = 0; i < noTemplates; i++) - { - if (templates[i]->IsVisible()) - { - strcat(descrBuf, templates[i]->GetDescription()); - strcat(descrBuf, " ("); - strcat(descrBuf, templates[i]->GetFileFilter()); - strcat(descrBuf, ") "); - strcat(descrBuf, "|"); - strcat(descrBuf, templates[i]->GetFileFilter()); - strcat(descrBuf, "|"); - } - } - int len = strlen(descrBuf); - if (len > 0) - // Omit final "|" - descrBuf[len-1] = 0; - - char *pathTmp = wxFileSelector("Select a file", "", "", "", descrBuf, 0, wxTheApp->GetTopWindow()); - delete[] descrBuf; - if (pathTmp) - { - path = pathTmp; - char *theExt = FindExtension((char *)(const char *)path); - if (!theExt) - return NULL; - - // 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); - return theTemplate; - } - else - { - path = ""; - return NULL; - } -#else - // 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 NULL; + int noTemplates, + wxString& path, + long WXUNUSED(flags), + bool WXUNUSED(save)) +{ +#ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS + wxString descrBuf; - char *pathTmp = wxFileSelector("Select a file", "", "", - temp->GetDefaultExtension(), - temp->GetFileFilter(), - 0, wxTheApp->GetTopWindow()); - - if (pathTmp) - { - path = pathTmp; - return temp; - } - else - return NULL; + for (int i = 0; i < noTemplates; i++) + { + if (templates[i]->IsVisible()) + { + // add a '|' to separate this filter from the previous one + if ( !descrBuf.empty() ) + descrBuf << wxT('|'); + + descrBuf << templates[i]->GetDescription() + << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |") + << templates[i]->GetFileFilter(); + } + } +#else + wxString descrBuf = wxT("*.*"); + wxUnusedVar(noTemplates); #endif + + int FilterIndex = -1; + + wxString pathTmp = wxFileSelectorEx(_("Open File"), + GetLastDirectory(), + wxEmptyString, + &FilterIndex, + descrBuf); + + wxDocTemplate *theTemplate = NULL; + if (!pathTmp.empty()) + { + if (!wxFileExists(pathTmp)) + { + wxString msgTitle; + if (!wxTheApp->GetAppDisplayName().empty()) + msgTitle = wxTheApp->GetAppDisplayName(); + else + msgTitle = wxString(_("File error")); + + wxMessageBox(_("Sorry, could not open this file."), + msgTitle, + wxOK | wxICON_EXCLAMATION | wxCENTRE); + + path = wxEmptyString; + return NULL; + } + + SetLastDirectory(wxPathOnly(pathTmp)); + + path = pathTmp; + + // 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 + // file history this can only happen if the application changes the + // allowed templates in runtime. + wxMessageBox(_("Sorry, the format for this file is unknown."), + _("Open File"), + wxOK | wxICON_EXCLAMATION | wxCENTRE); + } + } + else + { + path.clear(); + } + + return theTemplate; } wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates, - int noTemplates) -{ - char **strings = new char *[noTemplates]; - char **data = new char *[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] = (char *)templates[i]; - n ++; - } - } - if (n == 0) - { - delete[] strings; - delete[] data; - return NULL; - } - else if (n == 1) - { - wxDocTemplate *temp = (wxDocTemplate *)data[0]; - delete[] strings; - delete[] data; - return temp; - } - - wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData("Select a document template", "Templates", n, - strings, data); - delete[] strings; - delete[] data; - return theTemplate; + int noTemplates, bool sort) +{ + wxArrayString strings; + wxScopedArray data(new wxDocTemplate *[noTemplates]); + int i; + int n = 0; + + for (i = 0; i < noTemplates; i++) + { + if (templates[i]->IsVisible()) + { + 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 ++; + } + } + } // for + + if (sort) + { + strings.Sort(); // ascending sort + // 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]; + } + } + } + + wxDocTemplate *theTemplate; + + switch ( n ) + { + case 0: + // no visible templates, hence nothing to choose from + theTemplate = NULL; + break; + + case 1: + // don't propose the user to choose if he has 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.get() + ); + } + + return theTemplate; } wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates, - int noTemplates) + int noTemplates, bool sort) { - char **strings = new char *[noTemplates]; - char **data = new char *[noTemplates]; - int i; - int n = 0; - for (i = 0; i < noTemplates; i++) - { - if (templates[i]->IsVisible() && templates[i]->GetViewName()) + wxArrayString strings; + wxScopedArray data(new wxDocTemplate *[noTemplates]); + int i; + int n = 0; + + for (i = 0; i < noTemplates; i++) + { + wxDocTemplate *templ = templates[i]; + if ( templ->IsVisible() && !templ->GetViewName().empty() ) + { + 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(); // ascending sort + // 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; + + // the same logic as above + switch ( n ) { - strings[n] = WXSTRINGCAST templates[i]->m_viewTypeName; - data[n] = (char *)templates[i]; - n ++; + case 0: + theTemplate = NULL; + break; + + case 1: + theTemplate = data[0]; + break; + + default: + theTemplate = (wxDocTemplate *)wxGetSingleChoiceData + ( + _("Select a document view"), + _("Views"), + strings, + (void **)data.get() + ); + } - } - wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData("Select a document view", "Views", n, - strings, data); - delete[] strings; - delete[] data; - return theTemplate; + + return theTemplate; } void wxDocManager::AssociateTemplate(wxDocTemplate *temp) { - if (!m_templates.Member(temp)) - m_templates.Append(temp); + if (!m_templates.Member(temp)) + m_templates.Append(temp); } void wxDocManager::DisassociateTemplate(wxDocTemplate *temp) { - m_templates.DeleteObject(temp); + m_templates.DeleteObject(temp); } // Add and remove a document from the manager's list void wxDocManager::AddDocument(wxDocument *doc) { - if (!m_docs.Member(doc)) - m_docs.Append(doc); + if (!m_docs.Member(doc)) + m_docs.Append(doc); } void wxDocManager::RemoveDocument(wxDocument *doc) { - m_docs.DeleteObject(doc); + m_docs.DeleteObject(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 - m_currentView = NULL; - } -} - -/* - * Default document child frame - */ - -BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame) - EVT_ACTIVATE(wxDocChildFrame::OnActivate) -END_EVENT_TABLE() - -wxDocChildFrame::wxDocChildFrame(wxDocument *doc, wxView *view, wxFrame *frame, const wxString& title, - const wxPoint& pos, const wxSize& size, long style, const wxString& name): - wxFrame(frame, -1, title, pos, size, style, name) -{ - m_childDocument = doc; - m_childView = view; - if (view) - view->SetFrame(this); -} - -wxDocChildFrame::~wxDocChildFrame(void) -{ -} - -// Extend event processing to search the view's event table -bool wxDocChildFrame::ProcessEvent(wxEvent& event) +void wxDocManager::ActivateView(wxView *view, bool activate) { - if (m_childView) - m_childView->Activate(TRUE); - - if ( !m_childView || ! m_childView->ProcessEvent(event) ) + if ( activate ) { - // Only hand up to the parent if it's a menu command - if (!event.IsKindOf(CLASSINFO(wxCommandEvent)) || !GetParent() || !GetParent()->ProcessEvent(event)) - return wxEvtHandler::ProcessEvent(event); - else - return TRUE; + m_currentView = view; + } + else // deactivate + { + if ( m_currentView == view ) + { + // don't keep stale pointer + m_currentView = NULL; + } } - else - return TRUE; } -void wxDocChildFrame::OnActivate(wxActivateEvent& event) -{ - wxFrame::OnActivate(event); +// ---------------------------------------------------------------------------- +// wxDocChildFrameAnyBase +// ---------------------------------------------------------------------------- - if (m_childView) - m_childView->Activate(event.GetActive()); -} - -bool wxDocChildFrame::OnClose(void) +bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event) { - // Close view but don't delete the frame while doing so! - // ...since it will be deleted by wxWindows if we return TRUE. - if (m_childView) - { - bool ans = m_childView->Close(FALSE); // FALSE means don't delete associated window - if (ans) + if ( m_childView ) { - m_childView->Activate(FALSE); - delete m_childView; - m_childView = NULL; - m_childDocument = NULL; + if ( event.CanVeto() && !m_childView->Close(false) ) + { + event.Veto(); + return false; + } + + m_childView->Activate(false); + + // it is important to reset m_childView frame pointer to NULL before + // deleting it because while normally it is the frame which deletes the + // view when it's closed, the view also closes the frame if it is + // deleted directly not by us as indicated by its doc child frame + // pointer still being set + m_childView->SetDocChildFrame(NULL); + delete m_childView; + m_childView = NULL; } - - return ans; - } - else return TRUE; + + m_childDocument = NULL; + + return true; } -/* - * Default parent frame - */ +// ---------------------------------------------------------------------------- +// Default parent frame +// ---------------------------------------------------------------------------- BEGIN_EVENT_TABLE(wxDocParentFrame, wxFrame) EVT_MENU(wxID_EXIT, wxDocParentFrame::OnExit) - EVT_MENU_RANGE(wxID_FILE1, wxID_FILE2, wxDocParentFrame::OnMRUFile) + EVT_MENU_RANGE(wxID_FILE1, wxID_FILE9, wxDocParentFrame::OnMRUFile) + EVT_CLOSE(wxDocParentFrame::OnCloseWindow) END_EVENT_TABLE() -wxDocParentFrame::wxDocParentFrame(wxDocManager *manager, wxFrame *frame, const wxString& title, - const wxPoint& pos, const wxSize& size, long style, const wxString& name): - wxFrame(frame, -1, title, pos, size, style, name) +wxDocParentFrame::wxDocParentFrame() +{ + m_docManager = NULL; +} + +wxDocParentFrame::wxDocParentFrame(wxDocManager *manager, + wxFrame *frame, + wxWindowID id, + const wxString& title, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) + : wxFrame(frame, id, title, pos, size, style, name) +{ + m_docManager = manager; +} + +bool wxDocParentFrame::Create(wxDocManager *manager, + wxFrame *frame, + wxWindowID id, + const wxString& title, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) { - m_docManager = manager; + m_docManager = manager; + return base_type::Create(frame, id, title, pos, size, style, name); } void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event)) @@ -1390,463 +1906,431 @@ void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event)) void wxDocParentFrame::OnMRUFile(wxCommandEvent& event) { - wxString f(m_docManager->GetHistoryFile(event.GetSelection() - wxID_FILE1)); - if (f != "") - (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.empty() ) + return; + + wxString errMsg; // must contain exactly one "%s" if non-empty + if ( wxFile::Exists(filename) ) + { + // try to open it + if ( m_docManager->CreateDocument(filename, wxDOC_SILENT) ) + return; + + errMsg = _("The file '%s' couldn't be opened."); + } + else // file doesn't exist + { + errMsg = _("The file '%s' doesn't exist and couldn't be opened."); + } + + + wxASSERT_MSG( !errMsg.empty(), "should have an error message" ); + + // remove the file which we can't open from the MRU list + m_docManager->RemoveFileFromHistory(n); + + // and tell the user about it + wxLogError(errMsg + '\n' + + _("It has been removed from the most recently used files list."), + filename); } // Extend event processing to search the view's event table -bool wxDocParentFrame::ProcessEvent(wxEvent& event) +bool wxDocParentFrame::TryBefore(wxEvent& event) { - // Try the document manager, then do default processing - if (!m_docManager || !m_docManager->ProcessEvent(event)) - return wxEvtHandler::ProcessEvent(event); - else - return TRUE; + if ( m_docManager && m_docManager->ProcessEventHere(event) ) + return true; + + return wxFrame::TryBefore(event); } // Define the behaviour for the frame closing // - must delete all frames except for the main one. -bool wxDocParentFrame::OnClose(void) +void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event) { - return m_docManager->Clear(FALSE); + if (m_docManager->Clear(!event.CanVeto())) + { + Destroy(); + } + else + event.Veto(); } -#if USE_PRINTING_ARCHITECTURE +#if wxUSE_PRINTING_ARCHITECTURE -wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title): - wxPrintout(WXSTRINGCAST title) +wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title) + : wxPrintout(title) { - m_printoutView = view; + m_printoutView = view; } bool wxDocPrintout::OnPrintPage(int WXUNUSED(page)) { - wxDC *dc = GetDC(); - - // Get the logical pixels per inch of screen and printer - int ppiScreenX, ppiScreenY; - GetPPIScreen(&ppiScreenX, &ppiScreenY); - int ppiPrinterX, ppiPrinterY; - GetPPIPrinter(&ppiPrinterX, &ppiPrinterY); - - // This scales the DC so that the printout roughly represents the - // the screen scaling. The text point size _should_ be the right size - // but in fact is too small for some reason. This is a detail that will - // need to be addressed at some point but can be fudged for the - // moment. - float scale = (float)((float)ppiPrinterX/(float)ppiScreenX); - - // Now we have to check in case our real page size is reduced - // (e.g. because we're drawing to a print preview memory DC) - int pageWidth, pageHeight; - int w, h; - dc->GetSize(&w, &h); - GetPageSizePixels(&pageWidth, &pageHeight); - - // If printer pageWidth == current DC width, then this doesn't - // change. But w might be the preview bitmap width, so scale down. - float overallScale = scale * (float)(w/(float)pageWidth); - dc->SetUserScale(overallScale, overallScale); - - if (m_printoutView) - { - m_printoutView->OnDraw(dc); - } - return TRUE; + wxDC *dc = GetDC(); + + // 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 + // but in fact is too small for some reason. This is a detail that will + // need to be addressed at some point but can be fudged for the + // moment. + float scale = (float)((float)ppiPrinterX/(float)ppiScreenX); + + // Now we have to check in case our real page size is reduced + // (e.g. because we're drawing to a print preview memory DC) + int pageWidth, pageHeight; + 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. + float overallScale = scale * (float)(w/(float)pageWidth); + dc->SetUserScale(overallScale, overallScale); + + if (m_printoutView) + { + m_printoutView->OnDraw(dc); + } + return true; } bool wxDocPrintout::HasPage(int pageNum) { - return (pageNum == 1); + return (pageNum == 1); } bool wxDocPrintout::OnBeginDocument(int startPage, int endPage) { - if (!wxPrintout::OnBeginDocument(startPage, endPage)) - return FALSE; + if (!wxPrintout::OnBeginDocument(startPage, endPage)) + return false; - return TRUE; + return true; } -void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, int *selPageFrom, int *selPageTo) +void wxDocPrintout::GetPageInfo(int *minPage, int *maxPage, + int *selPageFrom, int *selPageTo) { - *minPage = 1; - *maxPage = 1; - *selPageFrom = 1; - *selPageTo = 1; + *minPage = 1; + *maxPage = 1; + *selPageFrom = 1; + *selPageTo = 1; } -#endif +#endif // wxUSE_PRINTING_ARCHITECTURE -/* - * Command processing framework - */ - -wxCommand::wxCommand(bool canUndoIt, const wxString& name) -{ - m_canUndo = canUndoIt; - m_commandName = name; -} +// ---------------------------------------------------------------------------- +// File history (a.k.a. MRU, most recently used, files list) +// ---------------------------------------------------------------------------- -wxCommand::~wxCommand(void) +wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase) { + m_fileMaxFiles = maxFiles; + m_idBase = idBase; } -// Command processor -wxCommandProcessor::wxCommandProcessor(int maxCommands) -{ - m_maxNoCommands = maxCommands; - m_currentCommand = NULL; - m_commandEditMenu = NULL; -} - -wxCommandProcessor::~wxCommandProcessor(void) +void wxFileHistory::AddFileToHistory(const wxString& file) { - ClearCommands(); -} + // check if we don't already have this file + const wxFileName fnNew(file); + size_t i, + numFiles = m_fileHistory.size(); + for ( i = 0; i < numFiles; i++ ) + { + if ( fnNew == m_fileHistory[i] ) + { + // we do have it, move it to the top of the history + RemoveFileFromHistory(i); + numFiles--; + break; + } + } -// 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) -{ - bool success = command->Do(); - if (success && storeIt) - { - if (m_commands.Number() == m_maxNoCommands) + // if we already have a full history, delete the one at the end + if ( numFiles == m_fileMaxFiles ) { - wxNode *firstNode = m_commands.First(); - wxCommand *firstCommand = (wxCommand *)firstNode->Data(); - delete firstCommand; - delete firstNode; + RemoveFileFromHistory(--numFiles); } - // 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 + // add a new menu item to all file menus (they will be updated below) + for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst(); + node; + node = node->GetNext() ) { - wxNode *node = m_currentCommand->Next(); - while (node) - { - wxNode *next = node->Next(); - delete (wxCommand *)node->Data(); - delete node; - node = next; - } + wxMenu * const menu = (wxMenu *)node->GetData(); + + if ( !numFiles && menu->GetMenuItemCount() ) + menu->AppendSeparator(); + + // label doesn't matter, it will be set below anyhow, but it can't + // be empty (this is supposed to indicate a stock item) + menu->Append(m_idBase + numFiles, " "); } - - m_commands.Append(command); - m_currentCommand = m_commands.Last(); - SetMenuStrings(); - } - return success; -} -bool wxCommandProcessor::Undo(void) -{ - if (m_currentCommand) - { - wxCommand *command = (wxCommand *)m_currentCommand->Data(); - if (command->CanUndo()) + // insert the new file in the beginning of the file history + m_fileHistory.insert(m_fileHistory.begin(), file); + numFiles++; + + // update the labels in all menus + for ( i = 0; i < numFiles; i++ ) { - bool success = command->Undo(); - if (success) - { - m_currentCommand = m_currentCommand->Previous(); - SetMenuStrings(); - return TRUE; - } + // if in same directory just show the filename; otherwise the full path + const wxFileName fnOld(m_fileHistory[i]); + + wxString pathInMenu; + if ( fnOld.GetPath() == fnNew.GetPath() ) + { + pathInMenu = fnOld.GetFullName(); + } + else // file in different directory + { + // absolute path; could also set relative path + pathInMenu = m_fileHistory[i]; + } + + for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst(); + node; + node = node->GetNext() ) + { + wxMenu * const menu = (wxMenu *)node->GetData(); + + menu->SetLabel(m_idBase + i, GetMRUEntryLabel(i, pathInMenu)); + } } - } - return FALSE; } -bool wxCommandProcessor::Redo(void) +void wxFileHistory::RemoveFileFromHistory(size_t i) { - wxCommand *redoCommand = NULL; - wxNode *redoNode = NULL; - if (m_currentCommand && m_currentCommand->Next()) - { - redoCommand = (wxCommand *)m_currentCommand->Next()->Data(); - redoNode = m_currentCommand->Next(); - } - else - { - if (m_commands.Number() > 0) - { - redoCommand = (wxCommand *)m_commands.First()->Data(); - redoNode = m_commands.First(); - } - } + size_t numFiles = m_fileHistory.size(); + wxCHECK_RET( i < numFiles, + wxT("invalid index in wxFileHistory::RemoveFileFromHistory") ); + + // delete the element from the array + m_fileHistory.RemoveAt(i); + numFiles--; - if (redoCommand) - { - bool success = redoCommand->Do(); - if (success) + for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst(); + node; + node = node->GetNext() ) { - m_currentCommand = redoNode; - SetMenuStrings(); - return TRUE; + wxMenu * const menu = (wxMenu *) node->GetData(); + + // shift filenames up + for ( size_t j = i; j < numFiles; j++ ) + { + menu->SetLabel(m_idBase + j, GetMRUEntryLabel(j, m_fileHistory[j])); + } + + // delete the last menu item which is unused now + const wxWindowID lastItemId = m_idBase + numFiles; + if ( menu->FindItem(lastItemId) ) + menu->Delete(lastItemId); + + // delete the last separator too if no more files are left + if ( m_fileHistory.empty() ) + { + const wxMenuItemList::compatibility_iterator + nodeLast = menu->GetMenuItems().GetLast(); + if ( nodeLast ) + { + wxMenuItem * const lastMenuItem = nodeLast->GetData(); + if ( lastMenuItem->IsSeparator() ) + menu->Delete(lastMenuItem); + } + //else: menu is empty somehow + } } - } - return FALSE; } -bool wxCommandProcessor::CanUndo(void) +void wxFileHistory::UseMenu(wxMenu *menu) { - if (m_currentCommand) - return ((wxCommand *)m_currentCommand->Data())->CanUndo(); - return FALSE; + if ( !m_fileMenus.Member(menu) ) + m_fileMenus.Append(menu); } -void wxCommandProcessor::Initialize(void) +void wxFileHistory::RemoveMenu(wxMenu *menu) { - m_currentCommand = m_commands.Last(); - SetMenuStrings(); + m_fileMenus.DeleteObject(menu); } -void wxCommandProcessor::SetMenuStrings(void) +#if wxUSE_CONFIG +void wxFileHistory::Load(const wxConfigBase& config) { - if (m_commandEditMenu) - { + m_fileHistory.Clear(); + wxString buf; - if (m_currentCommand) - { - wxCommand *command = (wxCommand *)m_currentCommand->Data(); - wxString commandName(command->GetName()); - if (commandName == "") 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()) - { - wxCommand *redoCommand = (wxCommand *)m_currentCommand->Next()->Data(); - wxString redoCommandName(redoCommand->GetName()); - if (redoCommandName == "") redoCommandName = "Unnamed command"; - buf = wxString("&Redo ") + redoCommandName; - m_commandEditMenu->SetLabel(wxID_REDO, buf); - m_commandEditMenu->Enable(wxID_REDO, TRUE); - } - else - { - m_commandEditMenu->SetLabel(wxID_REDO, "&Redo"); - m_commandEditMenu->Enable(wxID_REDO, FALSE); - } - } - else + buf.Printf(wxT("file%d"), 1); + + wxString historyFile; + while ((m_fileHistory.GetCount() < m_fileMaxFiles) && + config.Read(buf, &historyFile) && !historyFile.empty()) { - m_commandEditMenu->SetLabel(wxID_UNDO, "&Undo"); - m_commandEditMenu->Enable(wxID_UNDO, FALSE); + m_fileHistory.Add(historyFile); - if (m_commands.Number() == 0) - { - m_commandEditMenu->SetLabel(wxID_REDO, "&Redo"); - m_commandEditMenu->Enable(wxID_REDO, FALSE); - } - else - { - // 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) redoCommandName = "Unnamed command"; - buf = wxString("&Redo ") + redoCommandName; - m_commandEditMenu->SetLabel(wxID_REDO, buf); - m_commandEditMenu->Enable(wxID_REDO, TRUE); - } + buf.Printf(wxT("file%d"), (int)m_fileHistory.GetCount()+1); + historyFile = wxEmptyString; } - } -} -void wxCommandProcessor::ClearCommands(void) -{ - wxNode *node = m_commands.First(); - while (node) - { - wxCommand *command = (wxCommand *)node->Data(); - delete command; - delete node; - node = m_commands.First(); - } - m_currentCommand = NULL; + AddFilesToMenu(); } - -/* - * File history processor - */ - -wxFileHistory::wxFileHistory(int maxFiles) +void wxFileHistory::Save(wxConfigBase& config) { - m_fileMaxFiles = maxFiles; - m_fileMenu = NULL; - m_fileHistoryN = 0; - m_fileHistory = new char *[m_fileMaxFiles]; + size_t i; + for (i = 0; i < m_fileMaxFiles; i++) + { + wxString buf; + buf.Printf(wxT("file%d"), (int)i+1); + if (i < m_fileHistory.GetCount()) + config.Write(buf, wxString(m_fileHistory[i])); + else + config.Write(buf, wxEmptyString); + } } +#endif // wxUSE_CONFIG -wxFileHistory::~wxFileHistory(void) +void wxFileHistory::AddFilesToMenu() { - int i; - for (i = 0; i < m_fileHistoryN; i++) - delete[] m_fileHistory[i]; - delete[] m_fileHistory; -} + if ( m_fileHistory.empty() ) + return; -// File history management -void wxFileHistory::AddFileToHistory(const wxString& file) -{ - if (!m_fileMenu) - return; - - int i; - - // Check we don't already have this file - for (i = 0; i < m_fileHistoryN; i++) - { - if (m_fileHistory[i] && wxString(m_fileHistory[i]) == file) - return; - } - - // 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) - { - delete[] m_fileHistory[m_fileMaxFiles-1]; - m_fileHistory[m_fileMaxFiles-1] = NULL; - } - if (m_fileHistoryN < m_fileMaxFiles) - { - if (m_fileHistoryN == 0) - m_fileMenu->AppendSeparator(); - m_fileMenu->Append(wxID_FILE1+m_fileHistoryN, "[EMPTY]"); - 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]) - { - char buf[400]; - sprintf(buf, "&%d %s", i+1, m_fileHistory[i]); - m_fileMenu->SetLabel(wxID_FILE1+i, buf); - } -} - -wxString wxFileHistory::GetHistoryFile(int i) const -{ - if (i < m_fileHistoryN) - return wxString(m_fileHistory[i]); - else - return wxString(""); -} - -void wxFileHistory::FileHistoryUseMenu(wxMenu *menu) -{ - m_fileMenu = menu; -} - -void wxFileHistory::FileHistoryLoad(const wxString& resourceFile, const wxString& section) -{ -#if USE_RESOURCES - m_fileHistoryN = 0; - char buf[400]; - sprintf(buf, "file%d", m_fileHistoryN+1); - char *historyFile = NULL; - while ((m_fileHistoryN <= m_fileMaxFiles) && wxGetResource(section, buf, &historyFile, resourceFile) && historyFile) - { - // wxGetResource allocates memory so this is o.k. - m_fileHistory[m_fileHistoryN] = historyFile; - m_fileHistoryN ++; - sprintf(buf, "file%d", m_fileHistoryN+1); - historyFile = NULL; - } -#endif + for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst(); + node; + node = node->GetNext() ) + { + AddFilesToMenu((wxMenu *) node->GetData()); + } } -void wxFileHistory::FileHistorySave(const wxString& resourceFile, const wxString& section) +void wxFileHistory::AddFilesToMenu(wxMenu* menu) { -#if USE_RESOURCES - char buf[400]; - int i; - for (i = 0; i < m_fileHistoryN; i++) - { - sprintf(buf, "file%d", i+1); - wxWriteResource(section, buf, m_fileHistory[i], resourceFile); - } -#endif + if ( m_fileHistory.empty() ) + return; + + if ( menu->GetMenuItemCount() ) + menu->AppendSeparator(); + + for ( size_t i = 0; i < m_fileHistory.GetCount(); i++ ) + { + menu->Append(m_idBase + i, GetMRUEntryLabel(i, m_fileHistory[i])); + } } -#if 0 -/* - * wxPrintInfo - */ +// ---------------------------------------------------------------------------- +// Permits compatibility with existing file formats and functions that +// manipulate files directly +// ---------------------------------------------------------------------------- -wxPrintInfo::wxPrintInfo(void) +#if wxUSE_STD_IOSTREAM + +bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream) { - pageNumber = 1; + 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() ); + + return true; } -wxPrintInfo::~wxPrintInfo(void) +bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename) { + wxFFile file(filename, _T("wb")); + if ( !file.IsOpened() ) + return false; + + 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; } -#endif -/* - * Permits compatibility with existing file formats and functions - * that manipulate files directly - */ - -bool wxTransferFileToStream(const wxString& filename, ostream& stream) +#else // !wxUSE_STD_IOSTREAM + +bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream) { - FILE *fd1; - int ch; + wxFFile file(filename, _T("rb")); + if ( !file.IsOpened() ) + return false; - if ((fd1 = fopen (WXSTRINGCAST filename, "rb")) == NULL) - return FALSE; + char buf[4096]; - while ((ch = getc (fd1)) != EOF) - stream << (unsigned char)ch; + size_t nRead; + do + { + nRead = file.Read(buf, WXSIZEOF(buf)); + if ( file.Error() ) + return false; - fclose (fd1); - return TRUE; + stream.Write(buf, nRead); + if ( !stream ) + return false; + } + while ( !file.Eof() ); + + return true; } -bool wxTransferStreamToFile(istream& stream, const wxString& filename) +bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename) { - FILE *fd1; - int ch; + wxFFile file(filename, _T("wb")); + if ( !file.IsOpened() ) + return false; - if ((fd1 = fopen (WXSTRINGCAST filename, "wb")) == NULL) + char buf[4096]; + for ( ;; ) { - return FALSE; + stream.Read(buf, WXSIZEOF(buf)); + + const size_t nRead = stream.LastRead(); + if ( !nRead ) + { + if ( stream.Eof() ) + break; + + return false; + } + + if ( !file.Write(buf, nRead) ) + return false; } - while (!stream.eof()) - { - ch = stream.get(); - if (!stream.eof()) - putc (ch, fd1); - } - fclose (fd1); - return TRUE; + return true; } -#endif - // End USE_DOC_VIEW_ARCHITECTURE +#endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM + +#endif // wxUSE_DOC_VIEW_ARCHITECTURE