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 #ifdef __UNIX__
  35 #include <unistd.h> // chdir
  36 #endif
  37
  38 extern "C" {
  39 static void gtk_dirdialog_response_callback(GtkWidget * WXUNUSED(w),
  40                                              gint response,
  41                                              wxDirDialog *dialog)
  42 {
  43     if (response == GTK_RESPONSE_ACCEPT)
  44         dialog->GTKOnAccept();
  45     else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
  46         dialog->GTKOnCancel();
  47 }
  48 }
  49
  50 //-----------------------------------------------------------------------------
  51 // wxDirDialog
  52 //-----------------------------------------------------------------------------
  53
  54 IMPLEMENT_DYNAMIC_CLASS(wxDirDialog, wxDialog)
  55
  56 wxDirDialog::wxDirDialog(wxWindow* parent,
  57                          const wxString& title,
  58                          const wxString& defaultPath,
  59                          long style,
  60                          const wxPoint& pos,
  61                          const wxSize& WXUNUSED(sz),
  62                          const wxString& WXUNUSED(name))
  63 {
  64     Create(parent, title, defaultPath, style, pos);
  65 }
  66
  67 bool wxDirDialog::Create(wxWindow* parent,
  68                          const wxString& title,
  69                          const wxString& defaultPath,
  70                          long style,
  71                          const wxPoint& pos,
  72                          const wxSize& WXUNUSED(sz),
  73                          const wxString& WXUNUSED(name))
  74 {
  75     m_message = title;
  76
  77     parent = GetParentForModalDialog(parent, style);
  78
  79     if (!PreCreation(parent, pos, wxDefaultSize) ||
  80         !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
  81                 wxDefaultValidator, wxT("dirdialog")))
  82     {
  83         wxFAIL_MSG( wxT("wxDirDialog creation failed") );
  84         return false;
  85     }
  86
  87     GtkWindow* gtk_parent = NULL;
  88     if (parent)
  89         gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
  90
  91     m_widget = gtk_file_chooser_dialog_new(
  92                    wxGTK_CONV(m_message),
  93                    gtk_parent,
  94                    GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
  95                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
  96                    GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
  97                    NULL);
  98     g_object_ref(m_widget);
  99
 100     gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
 101
 102     // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
 103     // the dialog when the user press ESC on the dialog: in that case a second call to
 104     // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
 105     g_signal_connect (m_widget,
 106                     "delete_event",
 107                     G_CALLBACK (gtk_widget_hide_on_delete),
 108                     (gpointer)this);
 109
 110     // local-only property could be set to false to allow non-local files to be loaded.
 111     // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 112     // and the GtkFileChooserDialog should probably also be created with a backend,
 113     // e.g. "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 114     // Currently local-only is kept as the default - true:
 115     // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 116
 117     g_signal_connect (m_widget, "response",
 118         G_CALLBACK (gtk_dirdialog_response_callback), this);
 119
 120     if ( !defaultPath.empty() )
 121         SetPath(defaultPath);
 122
 123     return true;
 124 }
 125
 126 void wxDirDialog::GTKOnAccept()
 127 {
 128     wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
 129     m_selectedDirectory = wxString::FromUTF8(str);
 130
 131     // change to the directory where the user went if asked
 132     if (HasFlag(wxDD_CHANGE_DIR))
 133     {
 134         chdir(m_selectedDirectory.fn_str());
 135     }
 136
 137     EndDialog(wxID_OK);
 138 }
 139
 140 void wxDirDialog::GTKOnCancel()
 141 {
 142     EndDialog(wxID_CANCEL);
 143 }
 144
 145 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 146 {
 147     if (!m_wxwindow)
 148         return;
 149
 150     wxDirDialogBase::DoSetSize( x, y, width, height, sizeFlags );
 151 }
 152
 153 void wxDirDialog::SetPath(const wxString& dir)
 154 {
 155     if (wxDirExists(dir))
 156     {
 157         gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
 158                                             wxGTK_CONV_FN(dir));
 159     }
 160 }
 161
 162 wxString wxDirDialog::GetPath() const
 163 {
 164     return m_selectedDirectory;
 165 }
 166
 167 #endif // wxUSE_DIRDLG