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 && defined( __WXGTK24__ )
  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->GetEventHandler()->ProcessEvent(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->GetEventHandler()->ProcessEvent(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,wxGenericDirDialog)
  87
  88 BEGIN_EVENT_TABLE(wxDirDialog,wxGenericDirDialog)
  89     EVT_BUTTON(wxID_OK, wxDirDialog::OnFakeOk)
  90 END_EVENT_TABLE()
  91
  92 wxDirDialog::wxDirDialog(wxWindow* parent, const wxString& title,
  93                         const wxString& defaultPath, long style,
  94                         const wxPoint& pos, const wxSize& sz,
  95                         const wxString& name)
  96 {
  97     if (!gtk_check_version(2,4,0))
  98     {
  99         m_message = title;
 100
 101         parent = GetParentForModalDialog(parent);
 102
 103         if (!PreCreation(parent, pos, wxDefaultSize) ||
 104             !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 105                     wxDefaultValidator, wxT("dirdialog")))
 106         {
 107             wxFAIL_MSG( wxT("wxDirDialog creation failed") );
 108             return;
 109         }
 110
 111         GtkWindow* gtk_parent = NULL;
 112         if (parent)
 113             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 114
 115         m_widget = gtk_file_chooser_dialog_new(
 116                        wxGTK_CONV(m_message),
 117                        gtk_parent,
 118                        GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER,
 119                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 120                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 121                        NULL);
 122
 123         gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
 124
 125         // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
 126         // the dialog when the user press ESC on the dialog: in that case a second call to
 127         // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
 128         g_signal_connect (G_OBJECT(m_widget),
 129                         "delete_event",
 130                         G_CALLBACK (gtk_widget_hide_on_delete),
 131                         (gpointer)this);
 132
 133         // local-only property could be set to false to allow non-local files to be loaded.
 134         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 135         // and the GtkFileChooserDialog should probably also be created with a backend,
 136         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 137         // Currently local-only is kept as the default - true:
 138         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 139
 140         g_signal_connect (m_widget, "response",
 141             G_CALLBACK (gtk_dirdialog_response_callback), this);
 142
 143         if ( !defaultPath.empty() )
 144             gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 145                     defaultPath.fn_str() );
 146     }
 147     else
 148         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 149 }
 150
 151 void wxDirDialog::OnFakeOk( wxCommandEvent &event )
 152 {
 153     if (!gtk_check_version(2,4,0))
 154         EndDialog(wxID_OK);
 155     else
 156         wxGenericDirDialog::OnOK( event );
 157 }
 158
 159 int wxDirDialog::ShowModal()
 160 {
 161     if (!gtk_check_version(2,4,0))
 162         return wxDialog::ShowModal();
 163     else
 164         return wxGenericDirDialog::ShowModal();
 165 }
 166
 167 bool wxDirDialog::Show( bool show )
 168 {
 169     if (!gtk_check_version(2,4,0))
 170         return wxDialog::Show( show );
 171     else
 172         return wxGenericDirDialog::Show( show );
 173 }
 174
 175 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 176 {
 177     if (!m_wxwindow)
 178         return;
 179     else
 180         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 181 }
 182
 183 void wxDirDialog::SetPath(const wxString& dir)
 184 {
 185     if (!gtk_check_version(2,4,0))
 186     {
 187         if (wxDirExists(dir))
 188         {
 189             gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
 190                                                 dir.fn_str());
 191         }
 192     }
 193     else
 194         wxGenericDirDialog::SetPath( dir );
 195 }
 196
 197 wxString wxDirDialog::GetPath() const
 198 {
 199     if (!gtk_check_version(2,4,0))
 200     {
 201         wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
 202         return wxString(str, *wxConvFileName);
 203     }
 204
 205     return wxGenericDirDialog::GetPath();
 206 }
 207
 208 #endif // wxUSE_DIRDLG