src/gtk/dirdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/dirdlg.cpp
   3 // Purpose:     native implementation of wxDirDialogGTK
   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 wxDirDialogGTK.
  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 #ifdef __WXGTK24__      // only for GTK+ > 2.4 there is GtkFileChooserDialog
  33
  34 #include <gtk/gtk.h>
  35 #include "wx/gtk/private.h"
  36
  37 #include <unistd.h> // chdir
  38
  39
  40 //-----------------------------------------------------------------------------
  41 // idle system
  42 //-----------------------------------------------------------------------------
  43
  44 extern void wxapp_install_idle_handler();
  45
  46 //-----------------------------------------------------------------------------
  47 // "clicked" for OK-button
  48 //-----------------------------------------------------------------------------
  49
  50 extern "C" {
  51 static void gtk_dirdialog_ok_callback(GtkWidget *widget, wxDirDialogGTK *dialog)
  52 {
  53     gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
  54
  55     // change to the directory where the user went if asked
  56     if (dialog->HasFlag(wxDD_CHANGE_DIR))
  57         chdir(filename);
  58
  59     g_free(filename);
  60
  61     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  62     event.SetEventObject(dialog);
  63     dialog->GetEventHandler()->ProcessEvent(event);
  64 }
  65 }
  66
  67 //-----------------------------------------------------------------------------
  68 // "clicked" for Cancel-button
  69 //-----------------------------------------------------------------------------
  70
  71 extern "C" {
  72 static void gtk_dirdialog_cancel_callback(GtkWidget *WXUNUSED(w),
  73                                            wxDirDialogGTK *dialog)
  74 {
  75     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
  76     event.SetEventObject(dialog);
  77     dialog->GetEventHandler()->ProcessEvent(event);
  78 }
  79 }
  80
  81 extern "C" {
  82 static void gtk_dirdialog_response_callback(GtkWidget *w,
  83                                              gint response,
  84                                              wxDirDialogGTK *dialog)
  85 {
  86     wxapp_install_idle_handler();
  87
  88     if (response == GTK_RESPONSE_ACCEPT)
  89         gtk_dirdialog_ok_callback(w, dialog);
  90     else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
  91         gtk_dirdialog_cancel_callback(w, dialog);
  92 }
  93 }
  94
  95 #endif // __WXGTK24__
  96
  97 //-----------------------------------------------------------------------------
  98 // wxDirDialogGTK
  99 //-----------------------------------------------------------------------------
 100
 101 IMPLEMENT_DYNAMIC_CLASS(wxDirDialogGTK,wxGenericDirDialog)
 102
 103 BEGIN_EVENT_TABLE(wxDirDialogGTK,wxGenericDirDialog)
 104     EVT_BUTTON(wxID_OK, wxDirDialogGTK::OnFakeOk)
 105 END_EVENT_TABLE()
 106
 107 wxDirDialogGTK::wxDirDialogGTK(wxWindow* parent, const wxString& title,
 108                         const wxString& defaultPath, long style,
 109                         const wxPoint& pos, const wxSize& sz,
 110                         const wxString& name)
 111 {
 112 #ifdef __WXGTK24__
 113     if (!gtk_check_version(2,4,0))
 114     {
 115         m_message = title;
 116         m_needParent = false;
 117
 118         if (!PreCreation(parent, pos, wxDefaultSize) ||
 119             !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 120                     wxDefaultValidator, wxT("dirdialog")))
 121         {
 122             wxFAIL_MSG( wxT("wxDirDialogGTK creation failed") );
 123             return;
 124         }
 125
 126         GtkFileChooserAction gtk_action;
 127         GtkWindow* gtk_parent = NULL;
 128         if (parent)
 129             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 130
 131         gtk_action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 132         if (style & wxDD_NEW_DIR_BUTTON)
 133             gtk_action = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
 134
 135         m_widget = gtk_file_chooser_dialog_new(
 136                        wxGTK_CONV(m_message),
 137                        gtk_parent,
 138                        gtk_action,
 139                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 140                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 141                        NULL);
 142
 143         gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
 144
 145         // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically destroys
 146         // the dialog when the user press ESC on the dialog: in that case a second call to
 147         // ShowModal() would result in a bunch of Gtk-CRITICAL errors...
 148         g_signal_connect (G_OBJECT(m_widget),
 149                         "delete_event",
 150                         G_CALLBACK (gtk_widget_hide_on_delete),
 151                         (gpointer)this);
 152
 153         // local-only property could be set to false to allow non-local files to be loaded.
 154         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 155         // and the GtkFileChooserDialog should probably also be created with a backend,
 156         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 157         // Currently local-only is kept as the default - true:
 158         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 159
 160         g_signal_connect (m_widget, "response",
 161             G_CALLBACK (gtk_dirdialog_response_callback), this);
 162
 163         if ( !defaultPath.empty() )
 164             gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 165                     wxConvFileName->cWX2MB(defaultPath) );
 166     }
 167     else
 168 #endif
 169         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 170 }
 171
 172 void wxDirDialogGTK::OnFakeOk( wxCommandEvent &event )
 173 {
 174 #ifdef __WXGTK24__
 175     if (!gtk_check_version(2,4,0))
 176         wxDialog::OnOK( event );
 177     else
 178 #endif
 179         wxGenericDirDialog::OnOK( event );
 180 }
 181
 182 int wxDirDialogGTK::ShowModal()
 183 {
 184 #ifdef __WXGTK24__
 185     if (!gtk_check_version(2,4,0))
 186         return wxDialog::ShowModal();
 187     else
 188 #endif
 189         return wxGenericDirDialog::ShowModal();
 190 }
 191
 192 bool wxDirDialogGTK::Show( bool show )
 193 {
 194 #ifdef __WXGTK24__
 195     if (!gtk_check_version(2,4,0))
 196         return wxDialog::Show( show );
 197     else
 198 #endif
 199         return wxGenericDirDialog::Show( show );
 200 }
 201
 202 void wxDirDialogGTK::DoSetSize(int x, int y, int width, int height, int sizeFlags )
 203 {
 204     if (!m_wxwindow)
 205         return;
 206     else
 207         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 208 }
 209
 210 void wxDirDialogGTK::SetPath(const wxString& dir)
 211 {
 212 #ifdef __WXGTK24__
 213     if (!gtk_check_version(2,4,0))
 214     {
 215         if (wxDirExists(dir))
 216         {
 217             gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 218         }
 219     }
 220     else
 221 #endif
 222         wxGenericDirDialog::SetPath( dir );
 223 }
 224
 225 wxString wxDirDialogGTK::GetPath() const
 226 {
 227 #ifdef __WXGTK24__
 228     if (!gtk_check_version(2,4,0))
 229         return wxConvFileName->cMB2WX( gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(m_widget) ) );
 230     else
 231 #endif
 232         return wxGenericDirDialog::GetPath();
 233 }
 234
 235 #endif // wxUSE_DIRDLG