Ensure that validators work even in presence of pushed event handlers.

[wxWidgets.git] / src / gtk / filedlg.cpp

diff --git a/src/gtk/filedlg.cpp b/src/gtk/filedlg.cpp
index 6260b33b8e265bb0eeb5a9b8565d42ea38a17abd..cff12d8f6fb3ea14e8bc8abb5500b5a9331d2266 100644 (file)
--- a/src/gtk/filedlg.cpp
+++ b/src/gtk/filedlg.cpp
@@ -10,7 +10,7 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#if wxUSE_FILEDLG 
+#if wxUSE_FILEDLG
 
 #include "wx/filedlg.h"
 
@@ -51,7 +51,7 @@ static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
 
                 msg.Printf(
                     _("File '%s' already exists, do you really want to overwrite it?"),
-                    wxString(filename, *wxConvFileName));
+                    wxString::FromUTF8(filename));
 
                 wxMessageDialog dlg(dialog, msg, _("Confirm"),
                                    wxYES_NO | wxICON_QUESTION);
@@ -145,12 +145,12 @@ static void extra_widget_size_request(GtkWidget*, GtkRequisition* req, wxWindow*
 }
 }
 
-static void wxInsertChildInFileDialog(wxWindow* parent, wxWindow* child)
+void wxFileDialog::AddChildGTK(wxWindowGTK* child)
 {
     g_signal_connect_after(child->m_widget, "size_request",
         G_CALLBACK(extra_widget_size_request), child);
     gtk_file_chooser_set_extra_widget(
-        GTK_FILE_CHOOSER(parent->m_widget), child->m_widget);
+        GTK_FILE_CHOOSER(m_widget), child->m_widget);
 }
 
 //-----------------------------------------------------------------------------
@@ -173,8 +173,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                            const wxString& name)
     : wxFileDialogBase()
 {
-    m_insertCallback = wxInsertChildInFileDialog;
-    parent = GetParentForModalDialog(parent);
+    parent = GetParentForModalDialog(parent, style);
 
     if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName,
                                   wildCard, style, pos, sz, name))
@@ -214,6 +213,7 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                    ok_btn_stock, GTK_RESPONSE_ACCEPT,
                    NULL);
+    g_object_ref(m_widget);
     GtkFileChooser* file_chooser = GTK_FILE_CHOOSER(m_widget);
 
     m_fc.SetWidget(file_chooser);
@@ -243,16 +243,30 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
     g_signal_connect (m_widget, "response",
         G_CALLBACK (gtk_filedialog_response_callback), this);
 
+
+    // deal with extensions/filters
     SetWildcard(wildCard);
 
+    wxString defaultFileNameWithExt = defaultFileName;
+    if ( !wildCard.empty() && !defaultFileName.empty() &&
+            !wxFileName(defaultFileName).HasExt() )
+    {
+        // append the default extension to the initial file name: GTK won't do
+        // it for us by default (unlike e.g. MSW)
+        const wxString defaultExt = m_fc.GetCurrentWildCard().AfterFirst('.');
+        if ( defaultExt.find_first_of("?*") == wxString::npos )
+            defaultFileNameWithExt += "." + defaultExt;
+    }
+
+
     // if defaultDir is specified it should contain the directory and
     // defaultFileName should contain the default name of the file, however if
     // directory is not given, defaultFileName contains both
     wxFileName fn;
     if ( defaultDir.empty() )
-        fn.Assign(defaultFileName);
-    else if ( !defaultFileName.empty() )
-        fn.Assign(defaultDir, defaultFileName);
+        fn.Assign(defaultFileNameWithExt);
+    else if ( !defaultFileNameWithExt.empty() )
+        fn.Assign(defaultDir, defaultFileNameWithExt);
     else
         fn.AssignDir(defaultDir);
 
@@ -297,6 +311,17 @@ wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
     }
 }
 
+wxFileDialog::~wxFileDialog()
+{
+    if (m_extraControl)
+    {
+        // get chooser to drop its reference right now, allowing wxWindow dtor
+        // to verify that ref count drops to zero
+        gtk_file_chooser_set_extra_widget(
+            GTK_FILE_CHOOSER(m_widget), NULL);
+    }
+}
+
 void wxFileDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event))
 {
     EndDialog(wxID_OK);
@@ -309,8 +334,8 @@ int wxFileDialog::ShowModal()
     return wxDialog::ShowModal();
 }
 
-void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y), 
-                             int WXUNUSED(width), int WXUNUSED(height), 
+void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y),
+                             int WXUNUSED(width), int WXUNUSED(height),
                              int WXUNUSED(sizeFlags))
 {
 }
@@ -344,40 +369,76 @@ void wxFileDialog::SetMessage(const wxString& message)
 
 void wxFileDialog::SetPath(const wxString& path)
 {
-    m_fc.SetPath( path );
+    // we need an absolute path for GTK native chooser so ensure that we have
+    // it
+    wxFileName fn(path);
+    fn.MakeAbsolute();
+    m_fc.SetPath(fn.GetFullPath());
 }
 
 void wxFileDialog::SetDirectory(const wxString& dir)
 {
-    m_fc.SetDirectory( dir );
+    if (m_fc.SetDirectory( dir ))
+    {
+        // Cache the dir, as gtk_file_chooser_get_current_folder()
+        // doesn't return anything until the dialog has been shown
+        m_dir = dir;
+    }
 }
 
 wxString wxFileDialog::GetDirectory() const
 {
-    return m_fc.GetDirectory();
+    wxString currentDir( m_fc.GetDirectory() );
+    if (currentDir.empty())
+    {
+        // m_fc.GetDirectory() will return empty until the dialog has been shown
+        // in which case use any previously provided value
+        currentDir = m_dir;
+    }
+    return currentDir;
 }
 
 void wxFileDialog::SetFilename(const wxString& name)
 {
     if (HasFdFlag(wxFD_SAVE))
+    {
         gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
+        m_fileName = name;
+    }
+
     else
-        SetPath(wxFileName(GetDirectory(), name).GetFullPath());
+    {
+        wxString path( GetDirectory() );
+        if (path.empty())
+        {
+            // SetPath() fires an assert if fed other than filepaths
+            return;
+        }
+        SetPath(wxFileName(path, name).GetFullPath());
+        m_fileName = name;
+    }
 }
 
 wxString wxFileDialog::GetFilename() const
 {
-    return m_fc.GetFilename();
+    wxString currentFilename( m_fc.GetFilename() );
+    if (currentFilename.empty())
+    {
+        // m_fc.GetFilename() will return empty until the dialog has been shown
+        // in which case use any previously provided value
+        currentFilename = m_fileName;
+    }
+    return currentFilename;
 }
 
 void wxFileDialog::SetWildcard(const wxString& wildCard)
 {
-    m_fc.SetWildcard( wildCard );
+    wxFileDialogBase::SetWildcard(wildCard);
+    m_fc.SetWildcard( GetWildcard() );
 }
 
 void wxFileDialog::SetFilterIndex(int filterIndex)
 {
-
     m_fc.SetFilterIndex( filterIndex);
 }
 
@@ -386,4 +447,4 @@ int wxFileDialog::GetFilterIndex() const
     return m_fc.GetFilterIndex();
 }
 
-#endif // wxUSE_FILEDLG 
+#endif // wxUSE_FILEDLG