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 //-----------------------------------------------------------------------------
  39 // "clicked" for OK-button
  40 //-----------------------------------------------------------------------------
  41
  42 extern "C" {
  43 static void gtk_dirdialog_ok_callback(GtkWidget *widget, wxDirDialog *dialog)
  44 {
  45     // change to the directory where the user went if asked
  46     if (dialog->HasFlag(wxDD_CHANGE_DIR))
  47     {
  48         wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)));
  49         chdir(filename);
  50     }
  51
  52     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  53     event.SetEventObject(dialog);
  54     dialog->HandleWindowEvent(event);
  55 }
  56 }
  57
  58 //-----------------------------------------------------------------------------
  59 // "clicked" for Cancel-button
  60 //-----------------------------------------------------------------------------
  61
  62 extern "C" {
  63 static void gtk_dirdialog_cancel_callback(GtkWidget *WXUNUSED(w),
  64                                            wxDirDialog *dialog)
  65 {
  66     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
  67     event.SetEventObject(dialog);
  68     dialog->HandleWindowEvent(event);
  69 }
  70 }
  71
  72 extern "C" {
  73 static void gtk_dirdialog_response_callback(GtkWidget *w,
  74                                              gint response,
  75                                              wxDirDialog *dialog)
  76 {
  77     if (response == GTK_RESPONSE_ACCEPT)
  78         gtk_dirdialog_ok_callback(w, dialog);
  79     else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
  80         gtk_dirdialog_cancel_callback(w, dialog);
  81 }
  82 }
  83
  84 //-----------------------------------------------------------------------------
  85 // wxDirDialog
  86 //-----------------------------------------------------------------------------
  87
  88 IMPLEMENT_DYNAMIC_CLASS(wxDirDialog, wxDialog)
  89
  90 BEGIN_EVENT_TABLE(wxDirDialog, wxDirDialogBase)
  91     EVT_BUTTON(wxID_OK, wxDirDialog::OnFakeOk)
  92 END_EVENT_TABLE()
  93
  94 wxDirDialog::wxDirDialog(wxWindow* parent,
  95                          const wxString& title,
  96                          const wxString& defaultPath,
  97                          long style,
  98                          const wxPoint& pos,
  99                          const wxSize& WXUNUSED(sz),
 100                          const wxString& WXUNUSED(name))
 101 {
 102     Create(parent, title, defaultPath, style, pos);
 103 }
 104
 105 bool wxDirDialog::Create(wxWindow* parent,
 106                          const wxString& title,
 107                          const wxString& defaultPath,
 108                          long style,
 109                          const wxPoint& pos,
 110                          const wxSize& WXUNUSED(sz),
 111                          const wxString& WXUNUSED(name))
 112 {
 113     m_message = title;
 114
 115     parent = GetParentForModalDialog(parent, style);
 116
 117     if (!PreCreation(parent, pos, wxDefaultSize) ||
 118         !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 119                 wxDefaultValidator, wxT("dirdialog")))
 120     {
 121         wxFAIL_MSG( wxT("wxDirDialog creation failed") );
 122         return false;
 123     }
 124
 125     GtkWindow* gtk_parent = NULL;
 126     if (parent)
 127         gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 128
 129     m_widget = gtk_file_chooser_dialog_new(
 130                    wxGTK_CONV(m_message),
 131                    gtk_parent,
 132                    GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
 133                    GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 134                    GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 135                    NULL);
 136     g_object_ref(m_widget);
 137
 138     gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
 139
 140     // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
 141     // the dialog when the user press ESC on the dialog: in that case a second call to
 142     // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
 143     g_signal_connect (G_OBJECT(m_widget),
 144                     "delete_event",
 145                     G_CALLBACK (gtk_widget_hide_on_delete),
 146                     (gpointer)this);
 147
 148     // local-only property could be set to false to allow non-local files to be loaded.
 149     // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 150     // and the GtkFileChooserDialog should probably also be created with a backend,
 151     // e.g. "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 152     // Currently local-only is kept as the default - true:
 153     // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 154
 155     g_signal_connect (m_widget, "response",
 156         G_CALLBACK (gtk_dirdialog_response_callback), this);
 157
 158     if ( !defaultPath.empty() )
 159         gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 160                                              wxGTK_CONV_FN(defaultPath) );
 161
 162     return true;
 163 }
 164
 165 void wxDirDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event))
 166 {
 167     EndDialog(wxID_OK);
 168 }
 169
 170 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 171 {
 172     if (!m_wxwindow)
 173         return;
 174
 175     wxDirDialogBase::DoSetSize( x, y, width, height, sizeFlags );
 176 }
 177
 178 void wxDirDialog::SetPath(const wxString& dir)
 179 {
 180     if (wxDirExists(dir))
 181     {
 182         gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
 183                                             wxGTK_CONV_FN(dir));
 184     }
 185 }
 186
 187 wxString wxDirDialog::GetPath() const
 188 {
 189     wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
 190     return wxString::FromUTF8(str);
 191 }
 192
 193 #endif // wxUSE_DIRDLG