]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/docview.cpp
add casts + type to untyped const for GCC2.95
[wxWidgets.git] / src / common / docview.cpp
index 3834c2a2e7be2dbcd6e6e915c85f55e016ed44e6..5f8f8967915fe81ecfd6603ab825a7ad53e6ab82 100644 (file)
@@ -42,6 +42,7 @@
     #include "wx/intl.h"
 #endif
 
+
 #ifdef __WXGTK__
     #include "wx/mdi.h"
 #endif
@@ -55,6 +56,7 @@
 #include "wx/choicdlg.h"
 #include "wx/docview.h"
 #include "wx/confbase.h"
+#include "wx/file.h"
 
 #include <stdio.h>
 #include <string.h>
@@ -74,7 +76,6 @@
 // wxWindows macros
 // ----------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
     IMPLEMENT_ABSTRACT_CLASS(wxDocument, wxEvtHandler)
     IMPLEMENT_ABSTRACT_CLASS(wxView, wxEvtHandler)
     IMPLEMENT_ABSTRACT_CLASS(wxDocTemplate, wxObject)
@@ -89,7 +90,6 @@
     IMPLEMENT_CLASS(wxCommand, wxObject)
     IMPLEMENT_DYNAMIC_CLASS(wxCommandProcessor, wxObject)
     IMPLEMENT_DYNAMIC_CLASS(wxFileHistory, wxObject)
-#endif
 
 // ----------------------------------------------------------------------------
 // function prototypes
 
 static inline wxString FindExtension(const wxChar *path);
 
+// ----------------------------------------------------------------------------
+// local constants
+// ----------------------------------------------------------------------------
+
+static const wxChar *s_MRUEntryFormat = wxT("&%d %s");
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -216,7 +222,7 @@ bool wxDocument::Save()
     bool ret = FALSE;
 
     if (!IsModified()) return TRUE;
-    if (m_documentFile == _T("") || !m_savedYet)
+    if (m_documentFile == wxT("") || !m_savedYet)
         ret = SaveAs();
     else
         ret = OnSaveDocument(m_documentFile);
@@ -246,7 +252,7 @@ bool wxDocument::SaveAs()
     wxString path, name, ext;
     wxSplitPath(fileName, & path, & name, & ext);
 
-    if (ext.IsEmpty() || ext == _T(""))
+    if (ext.IsEmpty() || ext == wxT(""))
     {
         fileName += ".";
         fileName += docTemplate->GetDefaultExtension();
@@ -275,17 +281,17 @@ bool wxDocument::OnSaveDocument(const wxString& file)
         return FALSE;
 
     wxString msgTitle;
-    if (wxTheApp->GetAppName() != _T(""))
+    if (wxTheApp->GetAppName() != wxT(""))
         msgTitle = wxTheApp->GetAppName();
     else
         msgTitle = wxString(_("File error"));
 
 #if wxUSE_STD_IOSTREAM
-    ofstream store(file.fn_str());
+    ofstream store(wxString(file.fn_str()));
     if (store.fail() || store.bad())
 #else
-    wxFileOutputStream store(file.fn_str());
-    if (store.LastError() == 0)
+    wxFileOutputStream store(wxString(file.fn_str()));
+    if (store.LastError() != wxSTREAM_NOERROR)
 #endif
     {
         (void)wxMessageBox(_("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION,
@@ -293,7 +299,7 @@ bool wxDocument::OnSaveDocument(const wxString& file)
         // Saving error
         return FALSE;
     }
-    if (SaveObject(store)==FALSE)
+    if (!SaveObject(store))
     {
         (void)wxMessageBox(_("Sorry, could not save this file."), msgTitle, wxOK | wxICON_EXCLAMATION,
                            GetDocumentWindow());
@@ -311,24 +317,30 @@ bool wxDocument::OnOpenDocument(const wxString& file)
         return FALSE;
 
     wxString msgTitle;
-    if (wxTheApp->GetAppName() != _T(""))
+    if (wxTheApp->GetAppName() != wxT(""))
         msgTitle = wxTheApp->GetAppName();
     else
         msgTitle = wxString(_("File error"));
 
 #if wxUSE_STD_IOSTREAM
-    ifstream store(file.fn_str());
+    ifstream store(wxString(file.fn_str()));
     if (store.fail() || store.bad())
 #else
-    wxFileInputStream store(file.fn_str());
-    if (store.LastError() == 0)
+    wxFileInputStream store(wxString(file.fn_str()));
+    if (store.LastError() != wxSTREAM_NOERROR)
 #endif
     {
         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
                            GetDocumentWindow());
         return FALSE;
     }
-    if (LoadObject(store)==FALSE)
+#if wxUSE_STD_IOSTREAM
+    if (!LoadObject(store))
+#else
+    int res = LoadObject(store).LastError();
+    if ((res != wxSTREAM_NOERROR) &&
+        (res != wxSTREAM_EOF))
+#endif
     {
         (void)wxMessageBox(_("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION,
                            GetDocumentWindow());
@@ -345,25 +357,21 @@ bool wxDocument::OnOpenDocument(const wxString& file)
 
 #if wxUSE_STD_IOSTREAM
 istream& wxDocument::LoadObject(istream& stream)
+#else
+wxInputStream& wxDocument::LoadObject(wxInputStream& stream)
+#endif
 {
     return stream;
 }
 
+#if wxUSE_STD_IOSTREAM
 ostream& wxDocument::SaveObject(ostream& stream)
-{
-    return stream;
-}
 #else
-bool wxDocument::LoadObject(wxInputStream& stream)
-{
-    return TRUE;
-}
-
-bool wxDocument::SaveObject(wxOutputStream& stream)
+wxOutputStream& wxDocument::SaveObject(wxOutputStream& stream)
+#endif
 {
-    return TRUE;
+    return stream;
 }
-#endif
 
 bool wxDocument::Revert()
 {
@@ -374,12 +382,12 @@ bool wxDocument::Revert()
 // Get title, or filename if no title, else unnamed
 bool wxDocument::GetPrintableName(wxString& buf) const
 {
-    if (m_documentTitle != _T(""))
+    if (m_documentTitle != wxT(""))
     {
         buf = m_documentTitle;
         return TRUE;
     }
-    else if (m_documentFile != _T(""))
+    else if (m_documentFile != wxT(""))
     {
         buf = wxFileNameFromPath(m_documentFile);
         return TRUE;
@@ -414,7 +422,7 @@ bool wxDocument::OnSaveModified()
         GetPrintableName(title);
 
         wxString msgTitle;
-        if (wxTheApp->GetAppName() != _T(""))
+        if (wxTheApp->GetAppName() != wxT(""))
             msgTitle = wxTheApp->GetAppName();
         else
             msgTitle = wxString(_("Warning"));
@@ -518,13 +526,13 @@ wxView::wxView()
     //  SetDocument(doc);
     m_viewDocument = (wxDocument*) NULL;
 
-    m_viewTypeName = "";
+    m_viewTypeName = wxT("");
     m_viewFrame = (wxFrame *) NULL;
 }
 
 wxView::~wxView()
 {
-    GetDocumentManager()->ActivateView(this, FALSE, TRUE);
+//    GetDocumentManager()->ActivateView(this, FALSE, TRUE);
     m_viewDocument->RemoveView(this);
 }
 
@@ -834,7 +842,7 @@ void wxDocManager::OnPrintSetup(wxCommandEvent& WXUNUSED(event))
 
     wxPrintDialogData data;
 
-    wxPrintDialog printerDialog(parentWin, & data);
+    wxPrintDialog printerDialog(parentWin, &data);
     printerDialog.GetPrintDialogData().SetSetupDialog(TRUE);
     printerDialog.ShowModal();
 #endif // wxUSE_PRINTING_ARCHITECTURE
@@ -981,8 +989,8 @@ wxDocument *wxDocManager::CreateDocument(const wxString& path, long flags)
     // Existing document
     wxDocTemplate *temp = (wxDocTemplate *) NULL;
 
-    wxString path2(_T(""));
-    if (path != _T(""))
+    wxString path2(wxT(""));
+    if (path != wxT(""))
         path2 = path;
 
     if (flags & wxDOC_SILENT)
@@ -1098,6 +1106,12 @@ void wxDocManager::AddFileToHistory(const wxString& file)
         m_fileHistory->AddFileToHistory(file);
 }
 
+void wxDocManager::RemoveFileFromHistory(int i)
+{
+    if (m_fileHistory)
+        m_fileHistory->RemoveFileFromHistory(i);
+}
+
 wxString wxDocManager::GetHistoryFile(int i) const
 {
     wxString histFile;
@@ -1181,7 +1195,7 @@ wxDocTemplate *wxDocManager::FindTemplateForPath(const wxString& path)
 // template extension.
 
 wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
-#ifdef __WXMSW__
+#if defined(__WXMSW__) || defined(__WXGTK__)
                                                 int noTemplates,
 #else
                                                 int WXUNUSED(noTemplates),
@@ -1190,8 +1204,8 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
                                                 long WXUNUSED(flags),
                                                 bool WXUNUSED(save))
 {
-    // We can only have multiple filters in Windows
-#ifdef __WXMSW__
+    // We can only have multiple filters in Windows and GTK
+#if defined(__WXMSW__) || defined(__WXGTK__)
     wxString descrBuf;
 
     int i;
@@ -1201,21 +1215,21 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
         {
             // add a '|' to separate this filter from the previous one
             if ( !descrBuf.IsEmpty() )
-                descrBuf << _T('|');
+                descrBuf << wxT('|');
 
             descrBuf << templates[i]->GetDescription()
-                << _T(" (") << templates[i]->GetFileFilter() << _T(") |")
+                << wxT(" (") << templates[i]->GetFileFilter() << wxT(") |")
                 << templates[i]->GetFileFilter();
         }
     }
 #else
-    wxString descrBuf = _T("*.*");
+    wxString descrBuf = wxT("*.*");
 #endif
 
     int FilterIndex = 0;
     wxString pathTmp = wxFileSelectorEx(_("Select a file"),
-                                        _T(""),
-                                        _T(""),
+                                        m_lastDirectory,
+                                        wxT(""),
                                         &FilterIndex,
                                         descrBuf,
                                         0,
@@ -1223,6 +1237,8 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
 
     if (!pathTmp.IsEmpty())
     {
+        m_lastDirectory = wxPathOnly(pathTmp);
+
         path = pathTmp;
         wxString theExt = FindExtension(path);
         if (!theExt)
@@ -1240,7 +1256,7 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
     }
     else
     {
-        path = _T("");
+        path = wxT("");
         return (wxDocTemplate *) NULL;
     }
 #if 0
@@ -1251,7 +1267,7 @@ wxDocTemplate *wxDocManager::SelectDocumentPath(wxDocTemplate **templates,
     if (!temp)
         return (wxDocTemplate *) NULL;
 
-    wxChar *pathTmp = wxFileSelector(_("Select a file"), _T(""), _T(""),
+    wxChar *pathTmp = wxFileSelector(_("Select a file"), wxT(""), wxT(""),
             temp->GetDefaultExtension(),
             temp->GetFileFilter(),
             0, wxTheApp->GetTopWindow());
@@ -1277,7 +1293,7 @@ wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
     {
         if (templates[i]->IsVisible())
         {
-            strings[n] = WXSTRINGCAST templates[i]->m_description;
+            strings[n] = (wxChar *)templates[i]->m_description.c_str();
             data[n] = (wxChar *)templates[i];
             n ++;
         }
@@ -1297,7 +1313,7 @@ wxDocTemplate *wxDocManager::SelectDocumentType(wxDocTemplate **templates,
     }
 
     wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document template"), _("Templates"), n,
-            strings, data);
+            strings, (void **)data);
     delete[] strings;
     delete[] data;
     return theTemplate;
@@ -1312,15 +1328,15 @@ wxDocTemplate *wxDocManager::SelectViewType(wxDocTemplate **templates,
     int n = 0;
     for (i = 0; i < noTemplates; i++)
     {
-        if (templates[i]->IsVisible() && (templates[i]->GetViewName() != _T("")))
+        if (templates[i]->IsVisible() && (templates[i]->GetViewName() != wxT("")))
         {
-            strings[n] = WXSTRINGCAST templates[i]->m_viewTypeName;
+            strings[n] = (wxChar *)templates[i]->m_viewTypeName.c_str();
             data[n] = (wxChar *)templates[i];
             n ++;
         }
     }
     wxDocTemplate *theTemplate = (wxDocTemplate *)wxGetSingleChoiceData(_("Select a document view"), _("Views"), n,
-            strings, data);
+            strings, (void **)data);
     delete[] strings;
     delete[] data;
     return theTemplate;
@@ -1485,9 +1501,27 @@ void wxDocParentFrame::OnExit(wxCommandEvent& WXUNUSED(event))
 
 void wxDocParentFrame::OnMRUFile(wxCommandEvent& event)
 {
-    wxString f(m_docManager->GetHistoryFile(event.GetSelection() - wxID_FILE1));
-    if (f != _T(""))
-        (void)m_docManager->CreateDocument(f, wxDOC_SILENT);
+    int n = event.GetSelection() - wxID_FILE1;  // the index in MRU list
+    wxString filename(m_docManager->GetHistoryFile(n));
+    if ( !filename.IsEmpty() )
+    {
+        // verify that the file exists before doing anything else
+        if ( wxFile::Exists(filename) )
+        {
+            // try to open it
+            (void)m_docManager->CreateDocument(filename, wxDOC_SILENT);
+        }
+        else
+        {
+            // remove the bogus filename from the MRU list and notify the user
+            // about it
+            m_docManager->RemoveFileFromHistory(n);
+
+            wxLogError(_("The file '%s' doesn't exist and couldn't be opened.\n"
+                         "It has been also removed from the MRU files list."),
+                       filename.c_str());
+        }
+    }
 }
 
 // Extend event processing to search the view's event table
@@ -1515,7 +1549,7 @@ void wxDocParentFrame::OnCloseWindow(wxCloseEvent& event)
 #if wxUSE_PRINTING_ARCHITECTURE
 
 wxDocPrintout::wxDocPrintout(wxView *view, const wxString& title)
-             : wxPrintout(WXSTRINGCAST title)
+             : wxPrintout(title)
 {
     m_printoutView = view;
 }
@@ -1731,7 +1765,7 @@ void wxCommandProcessor::SetMenuStrings()
         {
             wxCommand *command = (wxCommand *)m_currentCommand->Data();
             wxString commandName(command->GetName());
-            if (commandName == _T("")) commandName = _("Unnamed command");
+            if (commandName == wxT("")) commandName = _("Unnamed command");
             bool canUndo = command->CanUndo();
             if (canUndo)
                 buf = wxString(_("&Undo ")) + commandName;
@@ -1746,7 +1780,7 @@ void wxCommandProcessor::SetMenuStrings()
             {
                 wxCommand *redoCommand = (wxCommand *)m_currentCommand->Next()->Data();
                 wxString redoCommandName(redoCommand->GetName());
-                if (redoCommandName == _T("")) redoCommandName = _("Unnamed command");
+                if (redoCommandName == wxT("")) redoCommandName = _("Unnamed command");
                 buf = wxString(_("&Redo ")) + redoCommandName;
                 m_commandEditMenu->SetLabel(wxID_REDO, buf);
                 m_commandEditMenu->Enable(wxID_REDO, TRUE);
@@ -1773,7 +1807,7 @@ void wxCommandProcessor::SetMenuStrings()
                 // we've undone to the start of the list, but can redo the first.
                 wxCommand *redoCommand = (wxCommand *)m_commands.First()->Data();
                 wxString redoCommandName(redoCommand->GetName());
-                if (redoCommandName == _T("")) redoCommandName = _("Unnamed command");
+                if (redoCommandName == wxT("")) redoCommandName = _("Unnamed command");
                 buf = wxString(_("&Redo ")) + redoCommandName;
                 m_commandEditMenu->SetLabel(wxID_REDO, buf);
                 m_commandEditMenu->Enable(wxID_REDO, TRUE);
@@ -1858,7 +1892,7 @@ void wxFileHistory::AddFileToHistory(const wxString& file)
         if (m_fileHistory[i])
         {
             wxString buf;
-            buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
+            buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
             wxNode* node = m_fileMenus.First();
             while (node)
             {
@@ -1869,12 +1903,71 @@ void wxFileHistory::AddFileToHistory(const wxString& file)
         }
 }
 
+void wxFileHistory::RemoveFileFromHistory(int i)
+{
+    wxCHECK_RET( i < m_fileHistoryN,
+                 wxT("invalid index in wxFileHistory::RemoveFileFromHistory") );
+
+    wxNode* node = m_fileMenus.First();
+    while ( node )
+    {
+        wxMenu* menu = (wxMenu*) node->Data();
+
+        // delete the element from the array (could use memmove() too...)
+        delete [] m_fileHistory[i];
+
+        int j;
+        for ( j = i; j < m_fileHistoryN - 1; j++ )
+        {
+            m_fileHistory[j] = m_fileHistory[j + 1];
+        }
+
+        // shuffle filenames up
+        wxString buf;
+        for ( j = i; j < m_fileHistoryN - 1; j++ )
+        {
+            buf.Printf(s_MRUEntryFormat, j + 1, m_fileHistory[j]);
+            menu->SetLabel(wxID_FILE1 + j, buf);
+        }
+
+        node = node->Next();
+
+        // delete the last menu item which is unused now
+        menu->Delete(wxID_FILE1 + m_fileHistoryN - 1);
+
+        // delete the last separator too if no more files are left
+        if ( m_fileHistoryN == 1 )
+        {
+            wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
+            if ( node )
+            {
+                wxMenuItem *menuItem = node->GetData();
+                if ( menuItem->IsSeparator() )
+                {
+                    menu->Delete(menuItem);
+                }
+                //else: should we search backwards for the last separator?
+            }
+            //else: menu is empty somehow
+        }
+    }
+
+    m_fileHistoryN--;
+}
+
 wxString wxFileHistory::GetHistoryFile(int i) const
 {
-    if (i < m_fileHistoryN)
-        return wxString(m_fileHistory[i]);
+    wxString s;
+    if ( i < m_fileHistoryN )
+    {
+        s = m_fileHistory[i];
+    }
     else
-        return wxString("");
+    {
+        wxFAIL_MSG( wxT("bad index in wxFileHistory::GetHistoryFile") );
+    }
+
+    return s;
 }
 
 void wxFileHistory::UseMenu(wxMenu *menu)
@@ -1893,14 +1986,14 @@ void wxFileHistory::Load(wxConfigBase& config)
 {
     m_fileHistoryN = 0;
     wxString buf;
-    buf.Printf(_T("file%d"), m_fileHistoryN+1);
+    buf.Printf(wxT("file%d"), m_fileHistoryN+1);
     wxString historyFile;
-    while ((m_fileHistoryN <= m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != _T("")))
+    while ((m_fileHistoryN <= m_fileMaxFiles) && config.Read(buf, &historyFile) && (historyFile != wxT("")))
     {
         m_fileHistory[m_fileHistoryN] = copystring((const wxChar*) historyFile);
         m_fileHistoryN ++;
-        buf.Printf(_T("file%d"), m_fileHistoryN+1);
-        historyFile = "";
+        buf.Printf(wxT("file%d"), m_fileHistoryN+1);
+        historyFile = wxT("");
     }
     AddFilesToMenu();
 }
@@ -1911,7 +2004,7 @@ void wxFileHistory::Save(wxConfigBase& config)
     for (i = 0; i < m_fileHistoryN; i++)
     {
         wxString buf;
-        buf.Printf(_T("file%d"), i+1);
+        buf.Printf(wxT("file%d"), i+1);
         config.Write(buf, wxString(m_fileHistory[i]));
     }
 }
@@ -1932,7 +2025,7 @@ void wxFileHistory::AddFilesToMenu()
                 if (m_fileHistory[i])
                 {
                     wxString buf;
-                    buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
+                    buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
                     menu->Append(wxID_FILE1+i, buf);
                 }
             }
@@ -1952,7 +2045,7 @@ void wxFileHistory::AddFilesToMenu(wxMenu* menu)
             if (m_fileHistory[i])
             {
                 wxString buf;
-                buf.Printf(_T("&%d %s"), i+1, m_fileHistory[i]);
+                buf.Printf(s_MRUEntryFormat, i+1, m_fileHistory[i]);
                 menu->Append(wxID_FILE1+i, buf);
             }
         }