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     wxapp_install_idle_handler();
  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,wxGenericDirDialog)
  89
  90 BEGIN_EVENT_TABLE(wxDirDialog,wxGenericDirDialog)
  91     EVT_BUTTON(wxID_OK, wxDirDialog::OnFakeOk)
  92 END_EVENT_TABLE()
  93
  94 wxDirDialog::wxDirDialog(wxWindow* parent, const wxString& title,
  95                         const wxString& defaultPath, long style,
  96                         const wxPoint& pos, const wxSize& sz,
  97                         const wxString& name)
  98 {
  99     if (!gtk_check_version(2,4,0))
 100     {
 101         m_message = title;
 102         m_needParent = false;
 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         GtkFileChooserAction gtk_action;
 113         GtkWindow* gtk_parent = NULL;
 114         if (parent)
 115             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 116
 117         if (HasFlag(wxDD_DIR_MUST_EXIST))
 118         gtk_action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 119         else
 120             gtk_action = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
 121
 122         m_widget = gtk_file_chooser_dialog_new(
 123                        wxGTK_CONV(m_message),
 124                        gtk_parent,
 125                        gtk_action,
 126                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 127                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 128                        NULL);
 129
 130         gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
 131
 132         // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
 133         // the dialog when the user press ESC on the dialog: in that case a second call to
 134         // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
 135         g_signal_connect (G_OBJECT(m_widget),
 136                         "delete_event",
 137                         G_CALLBACK (gtk_widget_hide_on_delete),
 138                         (gpointer)this);
 139
 140         // local-only property could be set to false to allow non-local files to be loaded.
 141         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 142         // and the GtkFileChooserDialog should probably also be created with a backend,
 143         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 144         // Currently local-only is kept as the default - true:
 145         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 146
 147         g_signal_connect (m_widget, "response",
 148             G_CALLBACK (gtk_dirdialog_response_callback), this);
 149
 150         if ( !defaultPath.empty() )
 151             gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 152                     wxConvFileName->cWX2MB(defaultPath) );
 153     }
 154     else
 155         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 156 }
 157
 158 void wxDirDialog::OnFakeOk( wxCommandEvent &event )
 159 {
 160     if (!gtk_check_version(2,4,0))
 161         EndDialog(wxID_OK);
 162     else
 163         wxGenericDirDialog::OnOK( event );
 164 }
 165
 166 int wxDirDialog::ShowModal()
 167 {
 168     if (!gtk_check_version(2,4,0))
 169         return wxDialog::ShowModal();
 170     else
 171         return wxGenericDirDialog::ShowModal();
 172 }
 173
 174 bool wxDirDialog::Show( bool show )
 175 {
 176     if (!gtk_check_version(2,4,0))
 177         return wxDialog::Show( show );
 178     else
 179         return wxGenericDirDialog::Show( show );
 180 }
 181
 182 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 183 {
 184     if (!m_wxwindow)
 185         return;
 186     else
 187         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 188 }
 189
 190 void wxDirDialog::SetPath(const wxString& dir)
 191 {
 192     if (!gtk_check_version(2,4,0))
 193     {
 194         if (wxDirExists(dir))
 195         {
 196             gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 197         }
 198     }
 199     else
 200         wxGenericDirDialog::SetPath( dir );
 201 }
 202
 203 wxString wxDirDialog::GetPath() const
 204 {
 205     if (!gtk_check_version(2,4,0))
 206     {
 207         wxGtkString str(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
 208         return wxConvFileName->cMB2WX(str);
 209     }
 210
 211     return wxGenericDirDialog::GetPath();
 212 }
 213
 214 #endif // wxUSE_DIRDLG