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 #endif
  30
  31 #ifdef __WXGTK24__
  32
  33 #include <gtk/gtk.h>
  34 #include "wx/gtk/private.h"
  35
  36 #include <unistd.h> // chdir
  37
  38 #include "wx/filename.h" // wxFilename
  39 #include "wx/tokenzr.h" // wxStringTokenizer
  40 #include "wx/filefn.h" // ::wxGetCwd
  41 #include "wx/msgdlg.h" // wxMessageDialog
  42
  43 //-----------------------------------------------------------------------------
  44 // idle system
  45 //-----------------------------------------------------------------------------
  46
  47 extern void wxapp_install_idle_handler();
  48
  49 //-----------------------------------------------------------------------------
  50 // "clicked" for OK-button
  51 //-----------------------------------------------------------------------------
  52
  53 extern "C" {
  54 static void gtk_filedialog_ok_callback(GtkWidget *widget, wxDirDialog *dialog)
  55 {
  56     int style = dialog->GetStyle();
  57     gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
  58
  59     // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
  60 #if GTK_CHECK_VERSION(2,7,3)
  61     if(gtk_check_version(2,7,3) != NULL)
  62 #endif
  63     if ((style & wxSAVE) && (style & wxOVERWRITE_PROMPT))
  64     {
  65         if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
  66         {
  67             wxString msg;
  68
  69             msg.Printf(
  70                 _("File '%s' already exists, do you really want to overwrite it?"),
  71                 wxString(wxConvFileName->cMB2WX(filename)).c_str());
  72
  73             wxMessageDialog dlg(dialog, msg, _("Confirm"),
  74                                wxYES_NO | wxICON_QUESTION);
  75             if (dlg.ShowModal() != wxID_YES)
  76             {
  77                 g_free(filename);
  78                 return;
  79             }
  80         }
  81     }
  82
  83     // change to the directory where the user went if asked
  84     if (style & wxCHANGE_DIR)
  85     {
  86         // Use chdir to not care about filename encodings
  87         gchar* folder = g_path_get_dirname(filename);
  88         chdir(folder);
  89         g_free(folder);
  90     }
  91
  92     g_free(filename);
  93
  94     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  95     event.SetEventObject(dialog);
  96     dialog->GetEventHandler()->ProcessEvent(event);
  97 }
  98 }
  99
 100 //-----------------------------------------------------------------------------
 101 // "clicked" for Cancel-button
 102 //-----------------------------------------------------------------------------
 103
 104 extern "C" {
 105 static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
 106                                            wxDirDialog *dialog)
 107 {
 108     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 109     event.SetEventObject(dialog);
 110     dialog->GetEventHandler()->ProcessEvent(event);
 111 }
 112 }
 113
 114 extern "C" {
 115 static void gtk_filedialog_response_callback(GtkWidget *w,
 116                                              gint response,
 117                                              wxDirDialog *dialog)
 118 {
 119     wxapp_install_idle_handler();
 120
 121     if (response == GTK_RESPONSE_ACCEPT)
 122         gtk_filedialog_ok_callback(w, dialog);
 123     else if (response == GTK_RESPONSE_CANCEL)
 124         gtk_filedialog_cancel_callback(w, dialog);
 125     else // "delete"
 126     {
 127         gtk_filedialog_cancel_callback(w, dialog);
 128         dialog->m_destroyed_by_delete = true;
 129     }
 130 }
 131 }
 132
 133 #endif // __WXGTK24__
 134
 135 //-----------------------------------------------------------------------------
 136 // wxDirDialog
 137 //-----------------------------------------------------------------------------
 138
 139 IMPLEMENT_DYNAMIC_CLASS(wxDirDialog,wxGenericDirDialog)
 140
 141 BEGIN_EVENT_TABLE(wxDirDialog,wxGenericDirDialog)
 142     EVT_BUTTON(wxID_OK, wxDirDialog::OnFakeOk)
 143 END_EVENT_TABLE()
 144
 145 wxDirDialog::wxDirDialog(wxWindow* parent, const wxString& title,
 146                         const wxString& defaultPath, long style,
 147                         const wxPoint& pos, const wxSize& sz,
 148                         const wxString& name)
 149 {
 150 #ifdef __WXGTK24__
 151     if (!gtk_check_version(2,4,0))
 152     {
 153         m_message = title;
 154         m_needParent = false;
 155         m_destroyed_by_delete = false;
 156
 157         if (!PreCreation(parent, pos, wxDefaultSize) ||
 158             !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 159                     wxDefaultValidator, wxT("filedialog")))
 160         {
 161             wxFAIL_MSG( wxT("wxDirDialog creation failed") );
 162             return;
 163         }
 164
 165         GtkFileChooserAction gtk_action;
 166         GtkWindow* gtk_parent = NULL;
 167         if (parent)
 168             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 169
 170         gtk_action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 171         if (style & wxDD_NEW_DIR_BUTTON)
 172             gtk_action = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
 173
 174         m_widget = gtk_file_chooser_dialog_new(
 175                        wxGTK_CONV(m_message),
 176                        gtk_parent,
 177                        gtk_action,
 178                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 179                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 180                        NULL);
 181
 182         // local-only property could be set to false to allow non-local files to be loaded.
 183         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 184         // and the GtkFileChooserDialog should probably also be created with a backend,
 185         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 186         // Currently local-only is kept as the default - true:
 187         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 188
 189         g_signal_connect(G_OBJECT(m_widget), "response",
 190             GTK_SIGNAL_FUNC(gtk_filedialog_response_callback), (gpointer)this);
 191
 192         if ( !defaultPath.empty() )
 193             gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 194                     wxConvFileName->cWX2MB(defaultPath) );
 195     }
 196     else
 197 #endif
 198         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 199 }
 200
 201 wxDirDialog::~wxDirDialog()
 202 {
 203 #ifdef __WXGTK24__
 204     if (!gtk_check_version(2,4,0))
 205     {
 206         if (m_destroyed_by_delete)
 207             m_widget = NULL;
 208     }
 209 #endif
 210 }
 211
 212 void wxDirDialog::OnFakeOk( wxCommandEvent &event )
 213 {
 214 #ifdef __WXGTK24__
 215     if (!gtk_check_version(2,4,0))
 216         wxDialog::OnOK( event );
 217     else
 218 #endif
 219         wxGenericDirDialog::OnOK( event );
 220 }
 221
 222 int wxDirDialog::ShowModal()
 223 {
 224 #ifdef __WXGTK24__
 225     if (!gtk_check_version(2,4,0))
 226         return wxDialog::ShowModal();
 227     else
 228 #endif
 229         return wxGenericDirDialog::ShowModal();
 230 }
 231
 232 bool wxDirDialog::Show( bool show )
 233 {
 234 #ifdef __WXGTK24__
 235     if (!gtk_check_version(2,4,0))
 236         return wxDialog::Show( show );
 237     else
 238 #endif
 239         return wxGenericDirDialog::Show( show );
 240 }
 241
 242 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
 243 {
 244     if (!m_wxwindow)
 245         return;
 246     else
 247         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 248 }
 249
 250 void wxDirDialog::SetPath(const wxString& dir)
 251 {
 252 #ifdef __WXGTK24__
 253     if (!gtk_check_version(2,4,0))
 254     {
 255         if (wxDirExists(dir))
 256         {
 257             gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 258         }
 259     }
 260     else
 261 #endif
 262         wxGenericDirDialog::SetPath( dir );
 263 }
 264
 265 wxString wxDirDialog::GetPath() const
 266 {
 267 #ifdef __WXGTK24__
 268     if (!gtk_check_version(2,4,0))
 269         return wxConvFileName->cMB2WX( gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(m_widget) ) );
 270     else
 271 #endif
 272         return wxGenericDirDialog::GetPath();
 273 }
 274
 275 #endif // wxUSE_DIRDLG