supporting native content scaling on OSX

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

diff --git a/src/gtk/filedlg.cpp b/src/gtk/filedlg.cpp
index a2f071285489385cfc39fbb7f29fd6e2fd59f46d..6f3b775ada9bf10007833f47d5bde4277197fc5e 100644 (file)
--- a/src/gtk/filedlg.cpp
+++ b/src/gtk/filedlg.cpp
@@ -116,6 +116,15 @@ static void gtk_filedialog_response_callback(GtkWidget *w,
         gtk_filedialog_cancel_callback(w, dialog);
 }
 
+static void gtk_filedialog_selchanged_callback(GtkFileChooser *chooser,
+                                               wxFileDialog *dialog)
+{
+    wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
+
+    dialog->GTKSelectionChanged(wxString::FromUTF8(filename));
+}
+
+
 static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
                                                    gpointer user_data)
 {
@@ -249,6 +258,8 @@ bool wxFileDialog::Create(wxWindow *parent, const wxString& message,
     g_signal_connect (m_widget, "response",
         G_CALLBACK (gtk_filedialog_response_callback), this);
 
+    g_signal_connect (m_widget, "selection-changed",
+        G_CALLBACK (gtk_filedialog_selchanged_callback), this);
 
     // deal with extensions/filters
     SetWildcard(wildCard);
@@ -463,4 +474,12 @@ int wxFileDialog::GetFilterIndex() const
     return m_fc.GetFilterIndex();
 }
 
+void wxFileDialog::GTKSelectionChanged(const wxString& filename)
+{
+    m_currentlySelectedFilename = filename;
+
+    if (m_extraControl)
+        m_extraControl->UpdateWindowUI(wxUPDATE_UI_RECURSE);
+}
+
 #endif // wxUSE_FILEDLG