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 #include <unistd.h> // chdir
  35
  36 //-----------------------------------------------------------------------------
  37 // "clicked" for OK-button
  38 //-----------------------------------------------------------------------------
  39
  40 extern "C" {
  41 static void gtk_dirdialog_ok_callback(GtkWidget *widget, wxDirDialog *dialog)
  42 {
  43     // change to the directory where the user went if asked
  44     if (dialog->HasFlag(wxDD_CHANGE_DIR))
  45     {
  46         wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)));
  47         chdir(filename);
  48     }
  49
  50     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  51     event.SetEventObject(dialog);
  52     dialog->HandleWindowEvent(event);
  53 }
  54 }
  55
  56 //-----------------------------------------------------------------------------
  57 // "clicked" for Cancel-button
  58 //-----------------------------------------------------------------------------
  59
  60 extern "C" {
  61 static void gtk_dirdialog_cancel_callback(GtkWidget *WXUNUSED(w),
  62                                            wxDirDialog *dialog)
  63 {
  64     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
  65     event.SetEventObject(dialog);
  66     dialog->HandleWindowEvent(event);
  67 }
  68 }
  69
  70 extern "C" {
  71 static void gtk_dirdialog_response_callback(GtkWidget *w,
  72                                              gint response,
  73                                              wxDirDialog *dialog)
  74 {
  75     if (response == GTK_RESPONSE_ACCEPT)
  76         gtk_dirdialog_ok_callback(w, dialog);
  77     else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
  78         gtk_dirdialog_cancel_callback(w, dialog);
  79 }
  80 }
  81
  82 //-----------------------------------------------------------------------------
  83 // wxDirDialog
  84 //-----------------------------------------------------------------------------
  85
  86 IMPLEMENT_DYNAMIC_CLASS(wxDirDialog, wxDialog)
  87
  88 BEGIN_EVENT_TABLE(wxDirDialog, wxDirDialogBase)
  89     EVT_BUTTON(wxID_OK, wxDirDialog::OnFakeOk)
  90 END_EVENT_TABLE()
  91
  92 wxDirDialog::wxDirDialog(wxWindow* parent,
  93                          const wxString& title,
  94                          const wxString& defaultPath,
  95                          long style,
  96                          const wxPoint& pos,
  97                          const wxSize& WXUNUSED(sz),
  98                          const wxString& WXUNUSED(name))
  99 {
 100     m_message = title;
 101
 102     parent = GetParentForModalDialog(parent, style);
 103
 104     if (!PreCreation(parent, pos, wxDefaultSize) ||
 105         !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 106                 wxDefaultValidator, wxT("dirdialog")))
 107     {
 108         wxFAIL_MSG( wxT("wxDirDialog creation failed") );
 109         return;
 110     }
 111
 112     GtkWindow* gtk_parent = NULL;
 113     if (parent)
 114         gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 115
 116     m_widget = gtk_file_chooser_dialog_new(
 117                    wxGTK_CONV(m_message),
 118                    gtk_parent,
 119                    GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
 120                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 121                    GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 122                    NULL);
 123     g_object_ref(m_widget);
 124
 125     gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
 126
 127     // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
 128     // the dialog when the user press ESC on the dialog: in that case a second call to
 129     // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
 130     g_signal_connect (G_OBJECT(m_widget),
 131                     "delete_event",
 132                     G_CALLBACK (gtk_widget_hide_on_delete),
 133                     (gpointer)this);
 134
 135     // local-only property could be set to false to allow non-local files to be loaded.
 136     // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 137     // and the GtkFileChooserDialog should probably also be created with a backend,
 138     // e.g. "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 139     // Currently local-only is kept as the default - true:
 140     // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 141
 142     g_signal_connect (m_widget, "response",
 143         G_CALLBACK (gtk_dirdialog_response_callback), this);
 144
 145     if ( !defaultPath.empty() )
 146         gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 147                 defaultPath.fn_str() );
 148 }
 149
 150 void wxDirDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event))
 151 {
 152     EndDialog(wxID_OK);
 153 }
 154
 155 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 156 {
 157     if (!m_wxwindow)
 158         return;
 159
 160     wxDirDialogBase::DoSetSize( x, y, width, height, sizeFlags );
 161 }
 162
 163 void wxDirDialog::SetPath(const wxString& dir)
 164 {
 165     if (wxDirExists(dir))
 166     {
 167         gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
 168                                             dir.fn_str());
 169     }
 170 }
 171
 172 wxString wxDirDialog::GetPath() const
 173 {
 174     wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
 175     return wxString::FromUTF8(str);
 176 }
 177
 178 #endif // wxUSE_DIRDLG