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                 return;
  77         }
  78     }
  79
  80     // change to the directory where the user went if asked
  81     if (style & wxCHANGE_DIR)
  82     {
  83         // Use chdir to not care about filename encodings
  84         gchar* folder = g_path_get_dirname(filename);
  85         chdir(folder);
  86         g_free(folder);
  87     }
  88
  89     g_free(filename);
  90
  91     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  92     event.SetEventObject(dialog);
  93     dialog->GetEventHandler()->ProcessEvent(event);
  94 }
  95 }
  96
  97 //-----------------------------------------------------------------------------
  98 // "clicked" for Cancel-button
  99 //-----------------------------------------------------------------------------
 100
 101 extern "C" {
 102 static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
 103                                            wxDirDialog *dialog)
 104 {
 105     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 106     event.SetEventObject(dialog);
 107     dialog->GetEventHandler()->ProcessEvent(event);
 108 }
 109 }
 110
 111 extern "C" {
 112 static void gtk_filedialog_response_callback(GtkWidget *w,
 113                                              gint response,
 114                                              wxDirDialog *dialog)
 115 {
 116     wxapp_install_idle_handler();
 117
 118     if (response == GTK_RESPONSE_ACCEPT)
 119         gtk_filedialog_ok_callback(w, dialog);
 120     else if (response == GTK_RESPONSE_CANCEL)
 121         gtk_filedialog_cancel_callback(w, dialog);
 122     else // "delete"
 123     {
 124         gtk_filedialog_cancel_callback(w, dialog);
 125         dialog->m_destroyed_by_delete = true;
 126     }
 127 }
 128 }
 129
 130 #endif // __WXGTK24__
 131
 132 //-----------------------------------------------------------------------------
 133 // wxDirDialog
 134 //-----------------------------------------------------------------------------
 135
 136 IMPLEMENT_DYNAMIC_CLASS(wxDirDialog,wxGenericDirDialog)
 137
 138 BEGIN_EVENT_TABLE(wxDirDialog,wxGenericDirDialog)
 139     EVT_BUTTON(wxID_OK, wxDirDialog::OnFakeOk)
 140 END_EVENT_TABLE()
 141
 142 wxDirDialog::wxDirDialog(wxWindow* parent, const wxString& title,
 143                         const wxString& defaultPath, long style,
 144                         const wxPoint& pos, const wxSize& sz,
 145                         const wxString& name)
 146 {
 147 #ifdef __WXGTK24__
 148     if (!gtk_check_version(2,4,0))
 149     {
 150         m_message = title;
 151         m_needParent = false;
 152         m_destroyed_by_delete = false;
 153
 154         if (!PreCreation(parent, pos, wxDefaultSize) ||
 155             !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 156                     wxDefaultValidator, wxT("filedialog")))
 157         {
 158             wxFAIL_MSG( wxT("wxDirDialog creation failed") );
 159             return;
 160         }
 161
 162         GtkFileChooserAction gtk_action;
 163         GtkWindow* gtk_parent = NULL;
 164         if (parent)
 165             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 166
 167         gtk_action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 168         if (style & wxDD_NEW_DIR_BUTTON)
 169             gtk_action = GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
 170
 171         m_widget = gtk_file_chooser_dialog_new(
 172                        wxGTK_CONV(m_message),
 173                        gtk_parent,
 174                        gtk_action,
 175                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 176                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 177                        NULL);
 178
 179         // local-only property could be set to false to allow non-local files to be loaded.
 180         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 181         // and the GtkFileChooserDialog should probably also be created with a backend,
 182         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 183         // Currently local-only is kept as the default - true:
 184         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 185
 186         g_signal_connect(G_OBJECT(m_widget), "response",
 187             GTK_SIGNAL_FUNC(gtk_filedialog_response_callback), (gpointer)this);
 188
 189         if ( !defaultPath.empty() )
 190             gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 191                     wxConvFileName->cWX2MB(defaultPath) );
 192     }
 193     else
 194 #endif
 195         wxGenericDirDialog::Create(parent, title, defaultPath, style, pos, sz, name);
 196 }
 197
 198 wxDirDialog::~wxDirDialog()
 199 {
 200 #ifdef __WXGTK24__
 201     if (!gtk_check_version(2,4,0))
 202     {
 203         if (m_destroyed_by_delete)
 204             m_widget = NULL;
 205     }
 206 #endif
 207 }
 208
 209 void wxDirDialog::OnFakeOk( wxCommandEvent &event )
 210 {
 211 #ifdef __WXGTK24__
 212     if (!gtk_check_version(2,4,0))
 213         wxDialog::OnOK( event );
 214     else
 215 #endif
 216         wxGenericDirDialog::OnOK( event );
 217 }
 218
 219 int wxDirDialog::ShowModal()
 220 {
 221 #ifdef __WXGTK24__
 222     if (!gtk_check_version(2,4,0))
 223         return wxDialog::ShowModal();
 224     else
 225 #endif
 226         return wxGenericDirDialog::ShowModal();
 227 }
 228
 229 bool wxDirDialog::Show( bool show )
 230 {
 231 #ifdef __WXGTK24__
 232     if (!gtk_check_version(2,4,0))
 233         return wxDialog::Show( show );
 234     else
 235 #endif
 236         return wxGenericDirDialog::Show( show );
 237 }
 238
 239 void wxDirDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
 240 {
 241     if (!m_wxwindow)
 242         return;
 243     else
 244         wxGenericDirDialog::DoSetSize( x, y, width, height, sizeFlags );
 245 }
 246
 247 void wxDirDialog::SetPath(const wxString& dir)
 248 {
 249 #ifdef __WXGTK24__
 250     if (!gtk_check_version(2,4,0))
 251     {
 252         if (wxDirExists(dir))
 253         {
 254             gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 255         }
 256     }
 257     else
 258 #endif
 259         wxGenericDirDialog::SetPath( dir );
 260 }
 261
 262 wxString wxDirDialog::GetPath() const
 263 {
 264 #ifdef __WXGTK24__
 265     if (!gtk_check_version(2,4,0))
 266         return wxConvFileName->cMB2WX( gtk_file_chooser_get_filename( GTK_FILE_CHOOSER(m_widget) ) );
 267     else
 268 #endif
 269         return wxGenericDirDialog::GetPath();
 270 }
 271
 272 #endif // wxUSE_DIRDLG