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