src/gtk/dirdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/dirdlg.cpp
   3 // Purpose:     native implementation of wxDirDialog
   4 // Author:      Robert Roebling, Zbigniew Zagorski, Mart Raudsepp, Francesco Montorsi
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13
  14
  15 /*
  16   NOTE: the GtkFileChooser interface can be used both for wxFileDialog and for wxDirDialog.
  17         Thus following code is very similar (even if not identic) to src/gtk/filedlg.cpp
  18         If you find a problem in this code, remember to check also that file !
  19 */
  20
  21
  22
  23 #if wxUSE_DIRDLG
  24
  25 #include "wx/dirdlg.h"
  26
  27 #ifndef WX_PRECOMP
  28     #include "wx/intl.h"
  29     #include "wx/filedlg.h"
  30 #endif
  31
  32 #include "wx/gtk/private.h"
  33
  34 extern "C" {
  35 static void gtk_dirdialog_response_callback(GtkWidget * WXUNUSED(w),
  36                                              gint response,
  37                                              wxDirDialog *dialog)
  38 {
  39     if (response == GTK_RESPONSE_ACCEPT)
  40         dialog->GTKOnAccept();
  41     else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
  42         dialog->GTKOnCancel();
  43 }
  44 }
  45
  46 //-----------------------------------------------------------------------------
  47 // wxDirDialog
  48 //-----------------------------------------------------------------------------
  49
  50 IMPLEMENT_DYNAMIC_CLASS(wxDirDialog, wxDialog)
  51
  52 wxDirDialog::wxDirDialog(wxWindow* parent,
  53                          const wxString& title,
  54                          const wxString& defaultPath,
  55                          long style,
  56                          const wxPoint& pos,
  57                          const wxSize& WXUNUSED(sz),
  58                          const wxString& WXUNUSED(name))
  59 {
  60     Create(parent, title, defaultPath, style, pos);
  61 }
  62
  63 bool wxDirDialog::Create(wxWindow* parent,
  64                          const wxString& title,
  65                          const wxString& defaultPath,
  66                          long style,
  67                          const wxPoint& pos,
  68                          const wxSize& WXUNUSED(sz),
  69                          const wxString& WXUNUSED(name))
  70 {
  71     m_message = title;
  72
  73     parent = GetParentForModalDialog(parent, style);
  74
  75     if (!PreCreation(parent, pos, wxDefaultSize) ||
  76         !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
  77                 wxDefaultValidator, wxT("dirdialog")))
  78     {
  79         wxFAIL_MSG( wxT("wxDirDialog creation failed") );
  80         return false;
  81     }
  82
  83     GtkWindow* gtk_parent = NULL;
  84     if (parent)
  85         gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
  86
  87     m_widget = gtk_file_chooser_dialog_new(
  88                    wxGTK_CONV(m_message),
  89                    gtk_parent,
  90                    GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
  91                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
  92                    GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
  93                    NULL);
  94     g_object_ref(m_widget);
  95
  96     gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
  97
  98     // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
  99     // the dialog when the user press ESC on the dialog: in that case a second call to
 100     // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
 101     g_signal_connect (m_widget,
 102                     "delete_event",
 103                     G_CALLBACK (gtk_widget_hide_on_delete),
 104                     (gpointer)this);
 105
 106     // local-only property could be set to false to allow non-local files to be loaded.
 107     // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 108     // and the GtkFileChooserDialog should probably also be created with a backend,
 109     // e.g. "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 110     // Currently local-only is kept as the default - true:
 111     // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 112
 113     g_signal_connect (m_widget, "response",
 114         G_CALLBACK (gtk_dirdialog_response_callback), this);
 115
 116     if ( !defaultPath.empty() )
 117         SetPath(defaultPath);
 118
 119     return true;
 120 }
 121
 122 void wxDirDialog::GTKOnAccept()
 123 {
 124     wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
 125     m_selectedDirectory = wxString::FromUTF8(str);
 126
 127     // change to the directory where the user went if asked
 128     if (HasFlag(wxDD_CHANGE_DIR))
 129     {
 130         wxSetWorkingDirectory(m_selectedDirectory);
 131     }
 132
 133     EndDialog(wxID_OK);
 134 }
 135
 136 void wxDirDialog::GTKOnCancel()
 137 {
 138     EndDialog(wxID_CANCEL);
 139 }
 140
 141 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 142 {
 143     if (!m_wxwindow)
 144         return;
 145
 146     wxDirDialogBase::DoSetSize( x, y, width, height, sizeFlags );
 147 }
 148
 149 void wxDirDialog::SetPath(const wxString& dir)
 150 {
 151     if (wxDirExists(dir))
 152     {
 153         gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
 154                                             wxGTK_CONV_FN(dir));
 155     }
 156 }
 157
 158 wxString wxDirDialog::GetPath() const
 159 {
 160     return m_selectedDirectory;
 161 }
 162
 163 #endif // wxUSE_DIRDLG