// 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
#include "wx/choicdlg.h"
#endif
-#include "wx/ffile.h"
-
-#ifdef __WXMAC__
- #include "wx/filename.h"
-#endif
-
#if wxUSE_PRINTING_ARCHITECTURE
#include "wx/prntbase.h"
#include "wx/printdlg.h"
#endif
#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 <stdio.h>
-#include <string.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 <fstream.h>
#else
#include <fstream>
#endif
+ #include "wx/afterstd.h"
#else
#include "wx/wfstream.h"
#endif
+typedef wxVector<wxDocTemplate *> wxDocTemplates;
+
// ----------------------------------------------------------------------------
// wxWidgets macros
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
-// ----------------------------------------------------------------------------
-// function prototypes
-// ----------------------------------------------------------------------------
-
-static wxWindow* wxFindSuitableParent(void);
-
-// ----------------------------------------------------------------------------
-// local constants
-// ----------------------------------------------------------------------------
-
-static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
-
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
-// local functions
+// private helpers
// ----------------------------------------------------------------------------
-static wxString FindExtension(const wxChar *path)
+namespace
+{
+
+wxString FindExtension(const wxString& path)
{
wxString ext;
- wxSplitPath(path, NULL, NULL, &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
// ----------------------------------------------------------------------------
{
m_documentModified = false;
m_documentParent = parent;
- m_documentTemplate = (wxDocTemplate *) NULL;
- m_commandProcessor = (wxCommandProcessor*) NULL;
+ m_documentTemplate = NULL;
+ m_commandProcessor = NULL;
m_savedYet = false;
}
{
DeleteContents();
- if (m_commandProcessor)
- delete m_commandProcessor;
+ delete m_commandProcessor;
if (GetDocumentManager())
GetDocumentManager()->RemoveDocument(this);
bool wxDocument::Close()
{
- if (OnSaveModified())
- return OnCloseDocument();
- else
+ if ( !OnSaveModified() )
return false;
+
+ return OnCloseDocument();
}
bool wxDocument::OnCloseDocument()
wxView *wxDocument::GetFirstView() const
{
- if (m_documentViews.GetCount() == 0)
- return (wxView *) NULL;
- return (wxView *)m_documentViews.GetFirst()->GetData();
+ if ( m_documentViews.empty() )
+ return NULL;
+
+ return static_cast<wxView *>(m_documentViews.GetFirst()->GetData());
+}
+
+void wxDocument::Modify(bool mod)
+{
+ if (mod != m_documentModified)
+ {
+ m_documentModified = mod;
+
+ // Allow views to append asterix to the title
+ wxView* view = GetFirstView();
+ if (view) view->OnChangeFilename();
+ }
}
wxDocManager *wxDocument::GetDocumentManager() const
{
- return (m_documentTemplate ? m_documentTemplate->GetDocumentManager() : (wxDocManager*) NULL);
+ return m_documentTemplate ? m_documentTemplate->GetDocumentManager() : NULL;
}
bool wxDocument::OnNewDocument()
{
- if (!OnSaveModified())
- return 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
- if (OnCloseDocument()==false) return false;
- DeleteContents();
- Modify(false);
SetDocumentSaved(false);
- wxString name;
- GetDocumentManager()->MakeDefaultName(name);
+ const wxString name = GetDocumentManager()->MakeNewDocumentName();
SetTitle(name);
SetFilename(name, true);
bool wxDocument::Save()
{
- if (!IsModified() && m_savedYet)
+ if ( AlreadySaved() )
return true;
if ( m_documentFile.empty() || !m_savedYet )
if (!docTemplate)
return false;
-#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
- wxString filter = docTemplate->GetDescription() + wxT(" (") + docTemplate->GetFileFilter() + wxT(")|") + docTemplate->GetFileFilter();
+#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())
{
- wxList::compatibility_iterator node = wxDocManager::GetDocumentManager()->GetTemplates().GetFirst();
+ wxList::compatibility_iterator
+ node = docTemplate->GetDocumentManager()->GetTemplates().GetFirst();
while (node)
{
wxDocTemplate *t = (wxDocTemplate*) node->GetData();
if ( !filter.empty() )
filter << wxT('|');
- filter << t->GetDescription() << wxT(" (") << t->GetFileFilter() << wxT(") |")
+ filter << t->GetDescription()
+ << wxT(" (") << t->GetFileFilter() << wxT(") |")
<< t->GetFileFilter();
}
#else
wxString filter = docTemplate->GetFileFilter() ;
#endif
- wxString tmp = wxFileSelector(_("Save as"),
- docTemplate->GetDirectory(),
+
+ 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 (tmp.empty())
- return false;
-
- wxString fileName(tmp);
- wxString path, name, ext;
- wxSplitPath(fileName, & path, & name, & ext);
+ if (fileName.empty())
+ return false; // cancelled by user
- 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;
- SetFilename(fileName);
SetTitle(wxFileNameFromPath(fileName));
+ SetFilename(fileName, true); // will call OnChangeFileName automatically
- // Notify the views that the filename has changed
- wxList::compatibility_iterator node = m_documentViews.GetFirst();
- while (node)
+ // 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))
{
- wxView *view = (wxView *)node->GetData();
- view->OnChangeFilename();
- node = node->GetNext();
+ 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
- // 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;
+ return true;
}
bool wxDocument::OnSaveDocument(const wxString& file)
Modify(false);
SetFilename(file);
SetDocumentSaved(true);
-#ifdef __WXMAC__
+#if defined( __WXOSX_MAC__ ) && wxOSX_USE_CARBON
wxFileName fn(file) ;
fn.MacSetDefaultTypeAndCreator() ;
#endif
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);
- Modify(false);
- m_savedYet = true;
+
+ // 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);
UpdateAllViews();
bool wxDocument::Revert()
{
- return false;
+ if ( wxMessageBox
+ (
+ _("Discard changes and reload the last saved version?"),
+ wxTheApp->GetAppDisplayName(),
+ wxYES_NO | wxCANCEL | wxICON_QUESTION,
+ GetDocumentWindow()
+ ) != wxYES )
+ return false;
+
+ if ( !DoOpenDocument(GetFilename()) )
+ return false;
+
+ Modify(false);
+ UpdateAllViews();
+
+ return true;
}
// Get title, or filename if no title, else unnamed
+#if WXWIN_COMPATIBILITY_2_8
bool wxDocument::GetPrintableName(wxString& buf) const
{
- if (!m_documentTitle.empty())
- {
- buf = m_documentTitle;
- return true;
- }
- else if (!m_documentFile.empty())
- {
- 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
+
+wxString wxDocument::GetUserReadableName() const
+{
+#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();
+}
+
+wxString wxDocument::DoGetUserReadableName() const
+{
+ if ( !m_documentTitle.empty() )
+ return m_documentTitle;
+
+ if ( !m_documentFile.empty() )
+ return wxFileNameFromPath(m_documentFile);
+
+ return _("unnamed");
}
wxWindow *wxDocument::GetDocumentWindow() const
{
- wxView *view = GetFirstView();
- if (view)
- return view->GetFrame();
- else
- return wxTheApp->GetTopWindow();
+ wxView * const view = GetFirstView();
+
+ return view ? view->GetFrame() : wxTheApp->GetTopWindow();
}
wxCommandProcessor *wxDocument::OnCreateCommandProcessor()
// true if safe to close
bool wxDocument::OnSaveModified()
{
- if (IsModified())
- {
- wxString title;
- GetPrintableName(title);
-
- wxString msgTitle;
- if (!wxTheApp->GetAppName().empty())
- msgTitle = wxTheApp->GetAppName();
- else
- msgTitle = wxString(_("Warning"));
-
- wxString prompt;
- prompt.Printf(_("Do you want to save changes to document %s?"),
- (const wxChar *)title);
- int res = wxMessageBox(prompt, msgTitle,
- wxYES_NO|wxCANCEL|wxICON_QUESTION,
- GetDocumentWindow());
- if (res == wxNO)
+ if ( IsModified() )
+ {
+ switch ( wxMessageBox
+ (
+ wxString::Format
+ (
+ _("Do you want to save changes to %s?"),
+ GetUserReadableName()
+ ),
+ wxTheApp->GetAppDisplayName(),
+ wxYES_NO | wxCANCEL | wxICON_QUESTION | wxCENTRE
+ ) )
{
- Modify(false);
- return true;
+ 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;
}
bool wxDocument::AddView(wxView *view)
{
- if (!m_documentViews.Member(view))
+ if ( !m_documentViews.Member(view) )
{
m_documentViews.Append(view);
OnChangedViewList();
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.
// there are no more views.
void wxDocument::OnChangedViewList()
{
- if (m_documentViews.GetCount() == 0)
- {
- if (OnSaveModified())
- {
- delete this;
- }
- }
+ if ( m_documentViews.empty() && OnSaveModified() )
+ delete this;
}
void wxDocument::UpdateAllViews(wxView *sender, wxObject *hint)
void wxDocument::SetFilename(const wxString& filename, bool notifyViews)
{
m_documentFile = filename;
+ OnChangeFilename(notifyViews);
+}
+
+void wxDocument::OnChangeFilename(bool notifyViews)
+{
if ( notifyViews )
{
// Notify the views that the filename has changed
bool wxDocument::DoSaveDocument(const wxString& file)
{
- wxString msgTitle;
- if (!wxTheApp->GetAppName().empty())
- msgTitle = wxTheApp->GetAppName();
- else
- msgTitle = wxString(_("File error"));
-
#if wxUSE_STD_IOSTREAM
wxSTD ofstream store(file.mb_str(), wxSTD ios::binary);
- if (store.fail() || store.bad())
+ if ( !store )
#else
wxFileOutputStream store(file);
- if (store.GetLastError() != wxSTREAM_NO_ERROR)
+ if ( store.GetLastError() != wxSTREAM_NO_ERROR )
#endif
{
- (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
- GetDocumentWindow());
- // Saving error
+ wxLogError(_("File \"%s\" could not be opened for writing."), file);
return false;
}
+
if (!SaveObject(store))
{
- (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
- GetDocumentWindow());
- // Saving error
+ wxLogError(_("Failed to save document to the file \"%s\"."), file);
return false;
}
{
#if wxUSE_STD_IOSTREAM
wxSTD ifstream store(file.mb_str(), wxSTD ios::binary);
- if (!store.fail() && !store.bad())
+ if ( !store )
#else
wxFileInputStream store(file);
- if (store.GetLastError() == wxSTREAM_NO_ERROR)
+ 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 || store.eof() )
+ LoadObject(store);
+ if ( !store )
#else
- int res = LoadObject(store).GetLastError();
- if ( res == wxSTREAM_NO_ERROR || res == wxSTREAM_EOF )
+ int res = LoadObject(store).GetLastError();
+ if ( res != wxSTREAM_NO_ERROR && res != wxSTREAM_EOF )
#endif
- return true;
+ {
+ wxLogError(_("Failed to read document from the file \"%s\"."), file);
+ return false;
}
- wxLogError(_("Sorry, could not open this file."));
- return false;
+ return true;
}
wxView::wxView()
{
- m_viewDocument = (wxDocument*) NULL;
+ m_viewDocument = NULL;
+
+ m_viewFrame = NULL;
- m_viewFrame = (wxFrame *) NULL;
+ m_docChildFrame = NULL;
}
wxView::~wxView()
{
- GetDocumentManager()->ActivateView(this, false);
- m_viewDocument->RemoveView(this);
+ if (m_viewDocument && GetDocumentManager())
+ 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);
}
-// Extend event processing to search the document's event table
-bool wxView::ProcessEvent(wxEvent& event)
+void wxView::SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame)
{
- if ( !GetDocument() || !GetDocument()->ProcessEvent(event) )
- return wxEvtHandler::ProcessEvent(event);
+ SetFrame(docChildFrame ? docChildFrame->GetWindow() : NULL);
+ m_docChildFrame = docChildFrame;
+}
- return true;
+bool wxView::TryBefore(wxEvent& event)
+{
+ 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))
{
}
wxDocument *doc = GetDocument();
if (!doc) return;
- wxString name;
- doc->GetPrintableName(name);
- win->SetLabel(name);
+ wxString label = doc->GetUserReadableName();
+ if (doc->IsModified())
+ {
+ label += "*";
+ }
+ win->SetLabel(label);
}
void wxView::SetDocument(wxDocument *doc)
bool wxView::Close(bool deleteWindow)
{
- if (OnClose(deleteWindow))
- return true;
- else
- return false;
+ return OnClose(deleteWindow);
}
void wxView::Activate(bool activate)
// Tries to dynamically construct an object of the right class.
wxDocument *wxDocTemplate::CreateDocument(const wxString& path, long flags)
{
- wxDocument *doc = DoCreateDocument();
- if ( doc == NULL )
- return (wxDocument *) 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();
- if (InitDocument(doc, path, flags))
- {
- return doc;
- }
- else
- {
- return (wxDocument *) NULL;
- }
+ return doc && InitDocument(doc, path, flags) ? doc : NULL;
}
-bool wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
+bool
+wxDocTemplate::InitDocument(wxDocument* doc, const wxString& path, long flags)
{
doc->SetFilename(path);
doc->SetDocumentTemplate(this);
if (doc->OnCreate(path, flags))
return true;
- else
- {
- if (GetDocumentManager()->GetDocuments().Member(doc))
- doc->DeleteAllViews();
- return false;
- }
+
+ if (GetDocumentManager()->GetDocuments().Member(doc))
+ doc->DeleteAllViews();
+ return false;
}
wxView *wxDocTemplate::CreateView(wxDocument *doc, long flags)
{
- wxView *view = DoCreateView();
- if ( view == NULL )
- return (wxView *) NULL;
+ wxScopedPtr<wxView> view(DoCreateView());
+ if ( !view )
+ return NULL;
view->SetDocument(doc);
- if (view->OnCreate(doc, flags))
- {
- return view;
- }
- else
- {
- delete view;
- return (wxView *) NULL;
- }
+ if ( !view->OnCreate(doc, flags) )
+ return NULL;
+
+ return view.release();
}
// The default (very primitive) format detection: check is the extension is
wxDocument *wxDocTemplate::DoCreateDocument()
{
if (!m_docClassInfo)
- return (wxDocument *) NULL;
+ return NULL;
- return (wxDocument *)m_docClassInfo->CreateObject();
+ return static_cast<wxDocument *>(m_docClassInfo->CreateObject());
}
wxView *wxDocTemplate::DoCreateView()
{
if (!m_viewClassInfo)
- return (wxView *) NULL;
+ return NULL;
- return (wxView *)m_viewClassInfo->CreateObject();
+ return static_cast<wxView *>(m_viewClassInfo->CreateObject());
}
// ----------------------------------------------------------------------------
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_CLOSE, wxDocManager::OnUpdateDisableIfNoDoc)
+ EVT_UPDATE_UI(wxID_CLOSE_ALL, wxDocManager::OnUpdateDisableIfNoDoc)
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_SAVEAS, wxDocManager::OnUpdateDisableIfNoDoc)
EVT_UPDATE_UI(wxID_UNDO, wxDocManager::OnUpdateUndo)
EVT_UPDATE_UI(wxID_REDO, wxDocManager::OnUpdateRedo)
EVT_MENU(wxID_PRINT, wxDocManager::OnPrint)
EVT_MENU(wxID_PREVIEW, wxDocManager::OnPreview)
- EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdatePrint)
- EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdatePreview)
+ EVT_UPDATE_UI(wxID_PRINT, wxDocManager::OnUpdateDisableIfNoDoc)
+ EVT_UPDATE_UI(wxID_PREVIEW, wxDocManager::OnUpdateDisableIfNoDoc)
#endif
END_EVENT_TABLE()
-wxDocManager* wxDocManager::sm_docManager = (wxDocManager*) NULL;
+wxDocManager* wxDocManager::sm_docManager = NULL;
-wxDocManager::wxDocManager(long flags, bool initialize)
+wxDocManager::wxDocManager(long WXUNUSED(flags), bool initialize)
{
+ sm_docManager = this;
+
m_defaultDocumentNameCounter = 1;
- m_flags = flags;
- m_currentView = (wxView *) NULL;
- m_maxDocsOpen = 10000;
- m_fileHistory = (wxFileHistory *) NULL;
- if (initialize)
+ m_currentView = NULL;
+ m_maxDocsOpen = INT_MAX;
+ m_fileHistory = NULL;
+ if ( initialize )
Initialize();
- sm_docManager = this;
}
wxDocManager::~wxDocManager()
{
Clear();
- if (m_fileHistory)
- delete m_fileHistory;
- sm_docManager = (wxDocManager*) NULL;
+ delete m_fileHistory;
+ sm_docManager = NULL;
}
// closes the specified document
bool wxDocManager::CloseDocument(wxDocument* doc, bool force)
{
- if (doc->Close() || force)
- {
- // Implicitly deletes the document when
- // the last view is deleted
- doc->DeleteAllViews();
+ if ( !doc->Close() && !force )
+ return false;
- // Check we're really deleted
- if (m_docs.Member(doc))
- delete doc;
+ // Implicitly deletes the document when
+ // the last view is deleted
+ doc->DeleteAllViews();
- return true;
- }
- return false;
+ // Check we're really deleted
+ if (m_docs.Member(doc))
+ delete doc;
+
+ return true;
}
bool wxDocManager::CloseDocuments(bool force)
return true;
}
+wxString wxDocManager::GetLastDirectory() const
+{
+ // 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<wxDocManager *>(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
+ if ( m_fileHistory && m_fileHistory->GetCount() )
+ {
+ const wxString lastOpened = m_fileHistory->GetHistoryFile(0);
+ const wxFileName fn(lastOpened);
+ if ( fn.DirExists() )
+ {
+ self->m_lastDirectory = fn.GetPath();
+ }
+ //else: should we try the next one?
+ }
+ //else: no history yet
+
+ // 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()
{
return new wxFileHistory;
void wxDocManager::OnFileNew(wxCommandEvent& WXUNUSED(event))
{
- CreateDocument( wxEmptyString, wxDOC_NEW );
+ CreateNewDocument();
}
void wxDocManager::OnFileOpen(wxCommandEvent& WXUNUSED(event))
{
- if ( !CreateDocument( wxEmptyString, 0) )
+ if ( !CreateDocument("") )
{
OnOpenFileFailure();
}
void wxDocManager::OnPrint(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_PRINTING_ARCHITECTURE
- wxView *view = GetCurrentView();
+ wxView *view = GetActiveView();
if (!view)
return;
#endif // wxUSE_PRINTING_ARCHITECTURE
}
+#if wxUSE_PRINTING_ARCHITECTURE
+wxPreviewFrame* wxDocManager::CreatePreviewFrame(wxPrintPreviewBase* preview,
+ wxWindow *parent,
+ const wxString& title)
+{
+ return new wxPreviewFrame(preview, parent, title);
+}
+#endif // wxUSE_PRINTING_ARCHITECTURE
+
void wxDocManager::OnPreview(wxCommandEvent& WXUNUSED(event))
{
#if wxUSE_PRINTING_ARCHITECTURE
- wxView *view = GetCurrentView();
+ wxBusyCursor busy;
+ wxView *view = GetActiveView();
if (!view)
return;
if (printout)
{
// Pass two printout objects: for preview, and possible printing.
- wxPrintPreviewBase *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.") );
+ wxLogError(_("Print preview creation failed."));
return;
}
- wxPreviewFrame *frame = new wxPreviewFrame(preview, (wxFrame *)wxTheApp->GetTopWindow(), _("Print Preview"),
- wxPoint(100, 100), wxSize(600, 650));
+ wxPreviewFrame* frame = CreatePreviewFrame(preview,
+ wxTheApp->GetTopWindow(),
+ _("Print Preview"));
+ wxCHECK_RET( frame, "should create a print preview frame" );
+
frame->Centre(wxBOTH);
frame->Initialize();
frame->Show(true);
void wxDocManager::OnUndo(wxCommandEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- if (!doc)
- return;
- if (doc->GetCommandProcessor())
- doc->GetCommandProcessor()->Undo();
- else
+ wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
+ if ( !cmdproc )
+ {
event.Skip();
+ return;
+ }
+
+ cmdproc->Undo();
}
void wxDocManager::OnRedo(wxCommandEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- if (!doc)
- return;
- if (doc->GetCommandProcessor())
- doc->GetCommandProcessor()->Redo();
- else
+ wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
+ if ( !cmdproc )
+ {
event.Skip();
+ return;
+ }
+
+ cmdproc->Redo();
}
// Handlers for UI update commands
void wxDocManager::OnUpdateFileOpen(wxUpdateUIEvent& event)
{
- event.Enable( true );
+ // CreateDocument() (which is called from OnFileOpen) may succeed
+ // only when there is at least a template:
+ event.Enable( GetTemplates().GetCount()>0 );
}
-void wxDocManager::OnUpdateFileClose(wxUpdateUIEvent& event)
+void wxDocManager::OnUpdateDisableIfNoDoc(wxUpdateUIEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- event.Enable( (doc != (wxDocument*) NULL) );
+ event.Enable( GetCurrentDocument() != NULL );
}
void wxDocManager::OnUpdateFileRevert(wxUpdateUIEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- event.Enable( (doc != (wxDocument*) NULL) );
+ wxDocument* doc = GetCurrentDocument();
+ event.Enable(doc && doc->IsModified() && doc->GetDocumentSaved());
}
void wxDocManager::OnUpdateFileNew(wxUpdateUIEvent& event)
{
- event.Enable( true );
+ // CreateDocument() (which is called from OnFileNew) may succeed
+ // only when there is at least a template:
+ event.Enable( GetTemplates().GetCount()>0 );
}
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) );
+ wxDocument * const doc = GetCurrentDocument();
+ event.Enable( doc && !doc->AlreadySaved() );
}
void wxDocManager::OnUpdateUndo(wxUpdateUIEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- if (!doc)
- event.Enable(false);
- else if (!doc->GetCommandProcessor())
- event.Skip();
- else
+ wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
+ if ( !cmdproc )
{
- event.Enable( doc->GetCommandProcessor()->CanUndo() );
- doc->GetCommandProcessor()->SetMenuStrings();
+ event.Enable(false);
+ return;
}
+
+ event.Enable(cmdproc->CanUndo());
+ cmdproc->SetMenuStrings();
}
void wxDocManager::OnUpdateRedo(wxUpdateUIEvent& event)
{
- wxDocument *doc = GetCurrentDocument();
- if (!doc)
- event.Enable(false);
- else if (!doc->GetCommandProcessor())
- event.Skip();
- else
+ wxCommandProcessor * const cmdproc = GetCurrentCommandProcessor();
+ if ( !cmdproc )
{
- event.Enable( doc->GetCommandProcessor()->CanRedo() );
- doc->GetCommandProcessor()->SetMenuStrings();
+ event.Enable(false);
+ return;
}
-}
-void wxDocManager::OnUpdatePrint(wxUpdateUIEvent& event)
-{
- wxDocument *doc = GetCurrentDocument();
- event.Enable( (doc != (wxDocument*) NULL) );
+ event.Enable(cmdproc->CanRedo());
+ cmdproc->SetMenuStrings();
}
-void wxDocManager::OnUpdatePreview(wxUpdateUIEvent& event)
+wxView *wxDocManager::GetActiveView() const
{
- wxDocument *doc = GetCurrentDocument();
- event.Enable( (doc != (wxDocument*) NULL) );
-}
+ wxView *view = GetCurrentView();
-wxView *wxDocManager::GetCurrentView() const
-{
- if (m_currentView)
- return m_currentView;
- if (m_docs.GetCount() == 1)
+ if ( !view && !m_docs.empty() )
{
- wxDocument* doc = (wxDocument*) m_docs.GetFirst()->GetData();
- return doc->GetFirstView();
+ // 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<wxDocument *>(node->GetData());
+ view = doc->GetFirstView();
+ }
+ //else: we have more than one document
}
- return (wxView *) NULL;
+
+ return view;
}
-// Extend event processing to search the view's event table
-bool wxDocManager::ProcessEvent(wxEvent& event)
+bool wxDocManager::TryBefore(wxEvent& event)
{
- wxView* view = GetCurrentView();
- if (view)
- {
- if (view->ProcessEvent(event))
- return true;
- }
- return wxEvtHandler::ProcessEvent(event);
+ wxView * const view = GetActiveView();
+ return view && view->ProcessEventHere(event);
}
-wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
+namespace
{
- wxDocTemplate **templates = new wxDocTemplate *[m_templates.GetCount()];
- int n = 0;
- for (size_t i = 0; i < m_templates.GetCount(); i++)
+// 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 )
{
- wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
- if (temp->IsVisible())
+ templates.reserve(totalNumTemplates);
+
+ for ( wxList::const_iterator i = allTemplates.begin(),
+ end = allTemplates.end();
+ i != end;
+ ++i )
{
- templates[n] = temp;
- n ++;
+ wxDocTemplate * const temp = (wxDocTemplate *)*i;
+ if ( temp->IsVisible() )
+ templates.push_back(temp);
}
}
- if (n == 0)
- {
- delete[] templates;
- return (wxDocument *) NULL;
- }
- wxDocument* docToClose = NULL;
+ return templates;
+}
+
+} // anonymous namespace
- // If we've reached the max number of docs, close the
- // first one.
- if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
+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 )
{
- wxDocument *doc = (wxDocument *)GetDocuments().GetFirst()->GetData();
- docToClose = doc;
+ // no templates can be used, can't create document
+ return NULL;
}
- // New document: user chooses a template, unless there's only one.
- if (flags & wxDOC_NEW)
- {
- 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);
+ // 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" );
- if (newDoc)
- {
- newDoc->SetDocumentName(temp->GetDocumentName());
- newDoc->SetDocumentTemplate(temp);
- if (!newDoc->OnNewDocument() )
- {
- // Document is implicitly deleted by DeleteAllViews
- newDoc->DeleteAllViews();
- return NULL;
- }
- }
- return newDoc;
+ 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);
+ }
- wxDocTemplate *temp = SelectDocumentType(templates, n);
- delete[] templates;
- if (temp)
- {
- if (docToClose)
- {
- if (!CloseDocument(docToClose, false))
- {
- return NULL;
- }
- }
+ if ( !temp )
+ return NULL;
- wxDocument *newDoc = temp->CreateDocument(path, flags);
+ // 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 (newDoc)
+ if ( fn == doc->GetFilename() )
{
- newDoc->SetDocumentName(temp->GetDocumentName());
- newDoc->SetDocumentTemplate(temp);
- if (!newDoc->OnNewDocument() )
+ // file already open, just activate it and return
+ if ( doc->GetFirstView() )
{
- // Document is implicitly deleted by DeleteAllViews
- newDoc->DeleteAllViews();
- return NULL;
+ ActivateView(doc->GetFirstView());
+ if ( doc->GetDocumentWindow() )
+ doc->GetDocumentWindow()->SetFocus();
+ return doc;
}
}
- return newDoc;
}
- else
- return (wxDocument *) NULL;
}
- // Existing document
- wxDocTemplate *temp;
- wxString path2 = path;
+ // no, we need to create a new document
+
- if (flags & wxDOC_SILENT)
+ // if we've reached the max number of docs, close the first one.
+ if ( (int)GetDocuments().GetCount() >= m_maxDocsOpen )
{
- temp = FindTemplateForPath(path2);
- if (!temp)
+ if ( !CloseDocument((wxDocument *)GetDocuments().GetFirst()->GetData()) )
{
- // 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());
+ // can't open the new document if closing the old one failed
+ return NULL;
}
}
- else
- temp = SelectDocumentPath(templates, n, path2, flags);
- delete[] templates;
- if (temp)
- {
- if (docToClose)
- {
- if (!CloseDocument(docToClose, false))
- {
- return NULL;
- }
- }
+ // do create and initialize the new document finally
+ wxDocument * const docNew = temp->CreateDocument(path, flags);
+ if ( !docNew )
+ return NULL;
- //see if this file is already open
- for (size_t i = 0; i < GetDocuments().GetCount(); ++i)
- {
- wxDocument* currentDoc = (wxDocument*)(GetDocuments().Item(i)->GetData());
-#ifdef __WXMSW__
- //file paths are case-insensitive on Windows
- if (path2.CmpNoCase(currentDoc->GetFilename()) == 0)
-#else
- if (path2.Cmp(currentDoc->GetFilename()) == 0)
-#endif
- {
- //file already open. Just activate it and return
- if (currentDoc->GetFirstView())
- {
- ActivateView(currentDoc->GetFirstView(), true);
- if (currentDoc->GetDocumentWindow())
- currentDoc->GetDocumentWindow()->SetFocus();
- return currentDoc;
- }
- }
- }
+ docNew->SetDocumentName(temp->GetDocumentName());
+ docNew->SetDocumentTemplate(temp);
- wxDocument *newDoc = temp->CreateDocument(path2, flags);
- if (newDoc)
+ 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)) )
{
- newDoc->SetDocumentName(temp->GetDocumentName());
- newDoc->SetDocumentTemplate(temp);
- if (!newDoc->OnOpenDocument(path2))
- {
- newDoc->DeleteAllViews();
- // delete newDoc; // Implicitly deleted by DeleteAllViews
- return (wxDocument *) NULL;
- }
- // 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);
+ docNew->DeleteAllViews();
+ return NULL;
}
- return newDoc;
}
+ wxCATCH_ALL( docNew->DeleteAllViews(); throw; )
- return (wxDocument *) NULL;
+ // 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.GetCount()];
- int n =0;
+ wxDocTemplates templates(GetVisibleTemplates(m_templates));
+ const size_t numTemplates = templates.size();
- for (size_t i = 0; i < m_templates.GetCount(); i++)
- {
- wxDocTemplate *temp = (wxDocTemplate *)(m_templates.Item(i)->GetData());
- if (temp->IsVisible())
- {
- if (temp->GetDocumentName() == doc->GetDocumentName())
- {
- templates[n] = temp;
- n ++;
- }
- }
- }
- if (n == 0)
- {
- delete[] templates;
- return (wxView *) NULL;
- }
- if (n == 1)
- {
- wxDocTemplate *temp = templates[0];
- delete[] templates;
- wxView *view = temp->CreateView(doc, flags);
- if (view)
- view->SetViewName(temp->GetViewName());
- return view;
- }
+ if ( numTemplates == 0 )
+ return NULL;
- wxDocTemplate *temp = SelectViewType(templates, n);
- delete[] templates;
- if (temp)
- {
- wxView *view = temp->CreateView(doc, flags);
- if (view)
- view->SetViewName(temp->GetViewName());
- return view;
- }
- else
- return (wxView *) 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());
+ return view;
}
// Not yet implemented
-void wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
+void
+wxDocManager::DeleteTemplate(wxDocTemplate *WXUNUSED(temp), long WXUNUSED(flags))
{
}
wxDocument *wxDocManager::GetCurrentDocument() const
{
- wxView *view = GetCurrentView();
- if (view)
- return view->GetDocument();
- else
- return (wxDocument *) NULL;
+ wxView * const view = GetActiveView();
+ return view ? view->GetDocument() : NULL;
}
-// Make a default document name
-bool wxDocManager::MakeDefaultName(wxString& name)
+wxCommandProcessor *wxDocManager::GetCurrentCommandProcessor() const
{
- name.Printf(_("unnamed%d"), m_defaultDocumentNameCounter);
- m_defaultDocumentNameCounter++;
+ wxDocument * const doc = GetCurrentDocument();
+ return doc ? doc->GetCommandProcessor() : NULL;
+}
- return true;
+// 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 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 appName = wxTheApp->GetAppDisplayName();
wxString title;
if (!doc)
title = appName;
else
{
- wxString docName;
- doc->GetPrintableName(docName);
+ wxString docName = doc->GetUserReadableName();
title = docName + wxString(_(" - ")) + appName;
}
return title;
// Not yet implemented
wxDocTemplate *wxDocManager::MatchTemplate(const wxString& WXUNUSED(path))
{
- return (wxDocTemplate *) NULL;
+ return NULL;
}
// File history management
}
#if wxUSE_CONFIG
-void wxDocManager::FileHistoryLoad(wxConfigBase& config)
+void wxDocManager::FileHistoryLoad(const wxConfigBase& config)
{
if (m_fileHistory)
m_fileHistory->Load(config);
// against that of the template
wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
{
- wxDocTemplate *theTemplate = (wxDocTemplate *) NULL;
+ wxDocTemplate *theTemplate = NULL;
// Find the template which this extension corresponds to
for (size_t i = 0; i < m_templates.GetCount(); i++)
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.
// Must extend the file selector dialog or implement own; OR
// match the extension to the template extension.
wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
-#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
int noTemplates,
-#else
- int WXUNUSED(noTemplates),
-#endif
wxString& path,
long WXUNUSED(flags),
bool WXUNUSED(save))
{
- // We can only have multiple filters in Windows and GTK
-#if defined(__WXMSW__) || defined(__WXGTK__) || defined(__WXMAC__)
+#ifdef wxHAS_MULTIPLE_FILEDLG_FILTERS
wxString descrBuf;
- int i;
- for (i = 0; i < noTemplates; i++)
+ for (int i = 0; i < noTemplates; i++)
{
if (templates[i]->IsVisible())
{
}
#else
wxString descrBuf = wxT("*.*");
+ wxUnusedVar(noTemplates);
#endif
int FilterIndex = -1;
- wxWindow* parent = wxFindSuitableParent();
-
- wxString pathTmp = wxFileSelectorEx(_("Select a file"),
- m_lastDirectory,
+ wxString pathTmp = wxFileSelectorEx(_("Open File"),
+ GetLastDirectory(),
wxEmptyString,
&FilterIndex,
descrBuf,
- 0,
- parent);
+ wxFD_OPEN | wxFD_FILE_MUST_EXIST);
- wxDocTemplate *theTemplate = (wxDocTemplate *)NULL;
+ wxDocTemplate *theTemplate = NULL;
if (!pathTmp.empty())
{
if (!wxFileExists(pathTmp))
{
wxString msgTitle;
- if (!wxTheApp->GetAppName().empty())
- msgTitle = wxTheApp->GetAppName();
+ if (!wxTheApp->GetAppDisplayName().empty())
+ msgTitle = wxTheApp->GetAppDisplayName();
else
msgTitle = wxString(_("File error"));
- (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
- parent);
+ wxMessageBox(_("Sorry, could not open this file."),
+ msgTitle,
+ wxOK | wxICON_EXCLAMATION | wxCENTRE);
path = wxEmptyString;
- return (wxDocTemplate *) NULL;
+ return NULL;
}
- m_lastDirectory = wxPathOnly(pathTmp);
+
+ SetLastDirectory(wxPathOnly(pathTmp));
path = pathTmp;
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());
+ // 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 = wxEmptyString;
+ path.clear();
}
return theTemplate;
int noTemplates, bool sort)
{
wxArrayString strings;
- wxDocTemplate **data = new wxDocTemplate *[noTemplates];
+ wxScopedArray<wxDocTemplate *> data(new wxDocTemplate *[noTemplates]);
int i;
int n = 0;
break;
case 1:
- // don't propose the user to choose if he heas no choice
+ // don't propose the user to choose if he has no choice
theTemplate = data[0];
break;
_("Select a document template"),
_("Templates"),
strings,
- (void **)data,
- wxFindSuitableParent()
+ (void **)data.get()
);
}
- delete[] data;
-
return theTemplate;
}
int noTemplates, bool sort)
{
wxArrayString strings;
- wxDocTemplate **data = new wxDocTemplate *[noTemplates];
+ wxScopedArray<wxDocTemplate *> data(new wxDocTemplate *[noTemplates]);
int i;
int n = 0;
switch ( n )
{
case 0:
- theTemplate = (wxDocTemplate *)NULL;
+ theTemplate = NULL;
break;
case 1:
_("Select a document view"),
_("Views"),
strings,
- (void **)data,
- wxFindSuitableParent()
+ (void **)data.get()
);
}
- delete[] data;
return theTemplate;
}
if ( m_currentView == view )
{
// don't keep stale pointer
- m_currentView = (wxView *) NULL;
+ m_currentView = NULL;
}
}
}
// ----------------------------------------------------------------------------
-// Default document child frame
+// wxDocChildFrameAnyBase
// ----------------------------------------------------------------------------
-BEGIN_EVENT_TABLE(wxDocChildFrame, wxFrame)
- EVT_ACTIVATE(wxDocChildFrame::OnActivate)
- EVT_CLOSE(wxDocChildFrame::OnCloseWindow)
-END_EVENT_TABLE()
-
-wxDocChildFrame::wxDocChildFrame(wxDocument *doc,
- wxView *view,
- 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_childDocument = doc;
- m_childView = view;
- if (view)
- view->SetFrame(this);
-}
-
-// Extend event processing to search the view's event table
-bool wxDocChildFrame::ProcessEvent(wxEvent& event)
+bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event)
{
- if (m_childView)
- m_childView->Activate(true);
-
- if ( !m_childView || ! m_childView->ProcessEvent(event) )
+ if ( m_childView )
{
- // 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;
- }
- else
- return true;
-}
-
-void wxDocChildFrame::OnActivate(wxActivateEvent& event)
-{
- wxFrame::OnActivate(event);
+ // notice that we must call wxView::Close() and OnClose() called from
+ // it in any case, even if we know that we are going to close anyhow
+ if ( !m_childView->Close(false) && event.CanVeto() )
+ {
+ event.Veto();
+ return false;
+ }
- if (m_childView)
- m_childView->Activate(event.GetActive());
-}
+ m_childView->Activate(false);
-void wxDocChildFrame::OnCloseWindow(wxCloseEvent& event)
-{
- if (m_childView)
- {
- bool ans = event.CanVeto()
- ? m_childView->Close(false) // false means don't delete associated window
- : true; // Must delete.
+ // 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;
+ }
- if (ans)
- {
- m_childView->Activate(false);
- delete m_childView;
- m_childView = (wxView *) NULL;
- m_childDocument = (wxDocument *) NULL;
+ m_childDocument = NULL;
- this->Destroy();
- }
- else
- event.Veto();
- }
- else
- event.Veto();
+ return true;
}
// ----------------------------------------------------------------------------
{
int n = event.GetId() - wxID_FILE1; // the index in MRU list
wxString filename(m_docManager->GetHistoryFile(n));
- if ( !filename.empty() )
- {
- // 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);
+ if ( filename.empty() )
+ return;
- 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);
+ 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;
- 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());
- }
+ 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
+ if ( m_docManager && m_docManager->ProcessEventHere(event) )
return true;
+
+ return wxFrame::TryBefore(event);
}
// Define the behaviour for the frame closing
{
if (m_docManager->Clear(!event.CanVeto()))
{
- this->Destroy();
+ Destroy();
}
else
event.Veto();
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;
#endif // wxUSE_PRINTING_ARCHITECTURE
// ----------------------------------------------------------------------------
-// File history processor
+// File history (a.k.a. MRU, most recently used, files list)
// ----------------------------------------------------------------------------
-static inline wxChar* MYcopystring(const wxString& s)
-{
- wxChar* copy = new wxChar[s.length() + 1];
- return wxStrcpy(copy, s.c_str());
-}
-
-static inline wxChar* MYcopystring(const wxChar* s)
-{
- wxChar* copy = new wxChar[wxStrlen(s) + 1];
- return wxStrcpy(copy, s);
-}
-
wxFileHistory::wxFileHistory(size_t maxFiles, wxWindowID idBase)
{
m_fileMaxFiles = maxFiles;
m_idBase = idBase;
- m_fileHistoryN = 0;
- m_fileHistory = new wxChar *[m_fileMaxFiles];
}
-wxFileHistory::~wxFileHistory()
-{
- size_t i;
- for (i = 0; i < m_fileHistoryN; i++)
- delete[] m_fileHistory[i];
- delete[] m_fileHistory;
-}
-
-// File history management
void wxFileHistory::AddFileToHistory(const wxString& file)
{
- size_t i;
-
- // Check we don't already have this file
- for (i = 0; i < m_fileHistoryN; i++)
+ // 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 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
+ if ( fnNew == m_fileHistory[i] )
{
// we do have it, move it to the top of the history
- RemoveFileFromHistory (i);
- AddFileToHistory (file);
- return;
+ RemoveFileFromHistory(i);
+ numFiles--;
+ break;
}
}
// if we already have a full history, delete the one at the end
- if ( m_fileMaxFiles == m_fileHistoryN )
+ if ( numFiles == m_fileMaxFiles )
{
- RemoveFileFromHistory (m_fileHistoryN - 1);
- AddFileToHistory (file);
- return;
+ RemoveFileFromHistory(--numFiles);
}
- // Add to the project file history:
- // Move existing files (if any) down so we can insert file at beginning.
- if (m_fileHistoryN < m_fileMaxFiles)
+ // 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() )
{
- wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- while (node)
- {
- 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 ++;
- }
- // Shuffle filenames down
- for (i = (m_fileHistoryN-1); i > 0; i--)
- {
- m_fileHistory[i] = m_fileHistory[i-1];
+ 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_fileHistory[0] = MYcopystring(file);
- // 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++)
+ // 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++ )
{
- if ( m_fileHistory[i] )
+ // 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() )
{
- // 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 )
- {
- pathInMenu = filename;
- if ( !ext.empty() )
- pathInMenu = pathInMenu + wxFILE_SEP_EXT + ext;
- }
- else
- {
- // absolute path; could also set relative path
- pathInMenu = m_fileHistory[i];
- }
+ pathInMenu = fnOld.GetFullName();
+ }
+ else // file in different directory
+ {
+ // absolute path; could also set relative path
+ pathInMenu = m_fileHistory[i];
+ }
- // we need to quote '&' characters which are used for mnemonics
- pathInMenu.Replace(_T("&"), _T("&&"));
- wxString buf;
- buf.Printf(s_MRUEntryFormat, i + 1, pathInMenu.c_str());
- wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- while (node)
- {
- wxMenu* menu = (wxMenu*) node->GetData();
- menu->SetLabel(m_idBase + i, buf);
- node = node->GetNext();
- }
+ 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));
}
}
}
void wxFileHistory::RemoveFileFromHistory(size_t i)
{
- wxCHECK_RET( i < m_fileHistoryN,
+ size_t numFiles = m_fileHistory.size();
+ wxCHECK_RET( i < numFiles,
wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
- // delete the element from the array (could use memmove() too...)
- delete [] m_fileHistory[i];
-
- size_t j;
- for ( j = i; j < m_fileHistoryN - 1; j++ )
- {
- m_fileHistory[j] = m_fileHistory[j + 1];
- }
+ // delete the element from the array
+ m_fileHistory.RemoveAt(i);
+ numFiles--;
- wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- while ( node )
+ for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
+ node;
+ node = node->GetNext() )
{
- wxMenu* menu = (wxMenu*) node->GetData();
+ wxMenu * const menu = (wxMenu *) node->GetData();
- // shuffle filenames up
- wxString buf;
- for ( j = i; j < m_fileHistoryN - 1; j++ )
+ // shift filenames up
+ for ( size_t j = i; j < numFiles; j++ )
{
- buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
- menu->SetLabel(m_idBase + j, buf);
+ menu->SetLabel(m_idBase + j, GetMRUEntryLabel(j, m_fileHistory[j]));
}
- node = node->GetNext();
-
// delete the last menu item which is unused now
- wxWindowID lastItemId = m_idBase + wx_truncate_cast(wxWindowID, m_fileHistoryN) - 1;
- if (menu->FindItem(lastItemId))
- {
+ 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_fileHistoryN == 1 )
+ if ( m_fileHistory.empty() )
{
- wxMenuItemList::compatibility_iterator nodeLast = menu->GetMenuItems().GetLast();
+ const wxMenuItemList::compatibility_iterator
+ nodeLast = menu->GetMenuItems().GetLast();
if ( nodeLast )
{
- wxMenuItem *menuItem = nodeLast->GetData();
- if ( menuItem->IsSeparator() )
- {
- menu->Delete(menuItem);
- }
- //else: should we search backwards for the last separator?
+ wxMenuItem * const lastMenuItem = nodeLast->GetData();
+ if ( lastMenuItem->IsSeparator() )
+ menu->Delete(lastMenuItem);
}
//else: menu is empty somehow
}
}
-
- m_fileHistoryN--;
-}
-
-wxString wxFileHistory::GetHistoryFile(size_t i) const
-{
- wxString s;
- if ( i < m_fileHistoryN )
- {
- s = m_fileHistory[i];
- }
- else
- {
- wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
- }
-
- return s;
}
void wxFileHistory::UseMenu(wxMenu *menu)
{
- if (!m_fileMenus.Member(menu))
+ if ( !m_fileMenus.Member(menu) )
m_fileMenus.Append(menu);
}
}
#if wxUSE_CONFIG
-void wxFileHistory::Load(wxConfigBase& config)
+void wxFileHistory::Load(const wxConfigBase& config)
{
- m_fileHistoryN = 0;
+ m_fileHistory.Clear();
+
wxString buf;
- buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
+ buf.Printf(wxT("file%d"), 1);
+
wxString historyFile;
- while ((m_fileHistoryN < m_fileMaxFiles) && config.Read(buf, &historyFile) && (!historyFile.empty()))
+ while ((m_fileHistory.GetCount() < m_fileMaxFiles) &&
+ config.Read(buf, &historyFile) && !historyFile.empty())
{
- m_fileHistory[m_fileHistoryN] = MYcopystring((const wxChar*) historyFile);
- m_fileHistoryN ++;
- buf.Printf(wxT("file%d"), (int)m_fileHistoryN+1);
+ m_fileHistory.Add(historyFile);
+
+ buf.Printf(wxT("file%d"), (int)m_fileHistory.GetCount()+1);
historyFile = wxEmptyString;
}
+
AddFilesToMenu();
}
{
wxString buf;
buf.Printf(wxT("file%d"), (int)i+1);
- if (i < m_fileHistoryN)
+ if (i < m_fileHistory.GetCount())
config.Write(buf, wxString(m_fileHistory[i]));
else
config.Write(buf, wxEmptyString);
void wxFileHistory::AddFilesToMenu()
{
- if (m_fileHistoryN > 0)
- {
- wxList::compatibility_iterator node = m_fileMenus.GetFirst();
- while (node)
- {
- wxMenu* menu = (wxMenu*) node->GetData();
- if (menu->GetMenuItemCount())
- {
- menu->AppendSeparator();
- }
+ if ( m_fileHistory.empty() )
+ return;
- size_t i;
- for (i = 0; i < m_fileHistoryN; i++)
- {
- if (m_fileHistory[i])
- {
- wxString buf;
- buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
- menu->Append(m_idBase+i, buf);
- }
- }
- node = node->GetNext();
- }
+ for ( wxList::compatibility_iterator node = m_fileMenus.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ AddFilesToMenu((wxMenu *) node->GetData());
}
}
void wxFileHistory::AddFilesToMenu(wxMenu* menu)
{
- if (m_fileHistoryN > 0)
- {
- if (menu->GetMenuItemCount())
- {
- menu->AppendSeparator();
- }
+ if ( m_fileHistory.empty() )
+ return;
- size_t i;
- for (i = 0; i < m_fileHistoryN; i++)
- {
- if (m_fileHistory[i])
- {
- wxString buf;
- buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
- menu->Append(m_idBase+i, buf);
- }
- }
+ 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]));
}
}
bool wxTransferFileToStream(const wxString& filename, wxSTD ostream& stream)
{
- wxFFile file(filename, _T("rb"));
+#if wxUSE_FFILE
+ wxFFile file(filename, wxT("rb"));
+#elif wxUSE_FILE
+ wxFile file(filename, wxFile::read);
+#endif
if ( !file.IsOpened() )
return false;
bool wxTransferStreamToFile(wxSTD istream& stream, const wxString& filename)
{
- wxFFile file(filename, _T("wb"));
+#if wxUSE_FFILE
+ wxFFile file(filename, wxT("wb"));
+#elif wxUSE_FILE
+ wxFile file(filename, wxFile::write);
+#endif
if ( !file.IsOpened() )
return false;
bool wxTransferFileToStream(const wxString& filename, wxOutputStream& stream)
{
- wxFFile file(filename, _T("rb"));
+#if wxUSE_FFILE
+ wxFFile file(filename, wxT("rb"));
+#elif wxUSE_FILE
+ wxFile file(filename, wxFile::read);
+#endif
if ( !file.IsOpened() )
return false;
bool wxTransferStreamToFile(wxInputStream& stream, const wxString& filename)
{
- wxFFile file(filename, _T("wb"));
+#if wxUSE_FFILE
+ wxFFile file(filename, wxT("wb"));
+#elif wxUSE_FILE
+ wxFile file(filename, wxFile::write);
+#endif
if ( !file.IsOpened() )
return false;
char buf[4096];
- do
+ for ( ;; )
{
stream.Read(buf, WXSIZEOF(buf));
const size_t nRead = stream.LastRead();
- if ( !nRead || !file.Write(buf, nRead) )
+ if ( !nRead )
+ {
+ if ( stream.Eof() )
+ break;
+
+ return false;
+ }
+
+ if ( !file.Write(buf, nRead) )
return false;
}
- while ( !stream.Eof() );
return true;
}
projects / wxWidgets.git / blobdiff