src/gtk/filedlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/filedlg.cpp
   3 // Purpose:     native implementation of wxFileDialog
   4 // Author:      Robert Roebling, Zbigniew Zagorski, Mart Raudsepp
   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 #if wxUSE_FILEDLG
  14
  15 #include "wx/filedlg.h"
  16
  17 #ifdef __WXGTK24__
  18
  19 #include <gtk/gtk.h>
  20 #include "wx/gtk/private.h"
  21
  22 #include <unistd.h> // chdir
  23
  24 #include "wx/intl.h"
  25 #include "wx/filename.h" // wxFilename
  26 #include "wx/tokenzr.h" // wxStringTokenizer
  27 #include "wx/filefn.h" // ::wxGetCwd
  28 #include "wx/msgdlg.h" // wxMessageDialog
  29
  30 //-----------------------------------------------------------------------------
  31 // idle system
  32 //-----------------------------------------------------------------------------
  33
  34 extern void wxapp_install_idle_handler();
  35
  36 //-----------------------------------------------------------------------------
  37 // "clicked" for OK-button
  38 //-----------------------------------------------------------------------------
  39
  40 extern "C" {
  41 static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
  42 {
  43     int style = dialog->GetStyle();
  44     gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
  45
  46     // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
  47 #if GTK_CHECK_VERSION(2,7,3)
  48     if(gtk_check_version(2,7,3) != NULL)
  49 #endif
  50     if ((style & wxSAVE) && (style & wxOVERWRITE_PROMPT))
  51     {
  52         if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
  53         {
  54             wxString msg;
  55
  56             msg.Printf(
  57                 _("File '%s' already exists, do you really want to overwrite it?"),
  58                 wxString(wxConvFileName->cMB2WX(filename)).c_str());
  59
  60             wxMessageDialog dlg(dialog, msg, _("Confirm"),
  61                                wxYES_NO | wxICON_QUESTION);
  62             if (dlg.ShowModal() != wxID_YES)
  63                 return;
  64         }
  65     }
  66
  67     // change to the directory where the user went if asked
  68     if (style & wxCHANGE_DIR)
  69     {
  70         // Use chdir to not care about filename encodings
  71         gchar* folder = g_path_get_dirname(filename);
  72         chdir(folder);
  73         g_free(folder);
  74     }
  75
  76     g_free(filename);
  77
  78     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  79     event.SetEventObject(dialog);
  80     dialog->GetEventHandler()->ProcessEvent(event);
  81 }
  82 }
  83
  84 //-----------------------------------------------------------------------------
  85 // "clicked" for Cancel-button
  86 //-----------------------------------------------------------------------------
  87
  88 extern "C" {
  89 static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
  90                                            wxFileDialog *dialog)
  91 {
  92     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
  93     event.SetEventObject(dialog);
  94     dialog->GetEventHandler()->ProcessEvent(event);
  95 }
  96 }
  97
  98 extern "C" {
  99 static void gtk_filedialog_response_callback(GtkWidget *w,
 100                                              gint response,
 101                                              wxFileDialog *dialog)
 102 {
 103     wxapp_install_idle_handler();
 104
 105     if (response == GTK_RESPONSE_ACCEPT)
 106         gtk_filedialog_ok_callback(w, dialog);
 107     else if (response == GTK_RESPONSE_CANCEL)
 108         gtk_filedialog_cancel_callback(w, dialog);
 109     else // "delete"
 110     {
 111         gtk_filedialog_cancel_callback(w, dialog);
 112         dialog->m_destroyed_by_delete = true;
 113     }
 114 }
 115 }
 116
 117 #endif // __WXGTK24__
 118
 119 //-----------------------------------------------------------------------------
 120 // wxFileDialog
 121 //-----------------------------------------------------------------------------
 122
 123 IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
 124
 125 BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
 126     EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
 127 END_EVENT_TABLE()
 128
 129 wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
 130                            const wxString& defaultDir,
 131                            const wxString& defaultFileName,
 132                            const wxString& wildCard,
 133                            long style, const wxPoint& pos)
 134     : wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
 135                        wildCard, style, pos, true )
 136 {
 137 #ifdef __WXGTK24__
 138     if (!gtk_check_version(2,4,0))
 139     {
 140         wxASSERT_MSG( !( (style & wxSAVE) && (style & wxMULTIPLE) ), wxT("wxFileDialog - wxMULTIPLE used on a save dialog" ) );
 141         m_needParent = false;
 142         m_destroyed_by_delete = false;
 143
 144         if (!PreCreation(parent, pos, wxDefaultSize) ||
 145             !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
 146                     wxDefaultValidator, wxT("filedialog")))
 147         {
 148             wxFAIL_MSG( wxT("wxFileDialog creation failed") );
 149             return;
 150         }
 151
 152         GtkFileChooserAction gtk_action;
 153         GtkWindow* gtk_parent = NULL;
 154         if (parent)
 155             gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
 156
 157         const gchar* ok_btn_stock;
 158         if ( style & wxSAVE )
 159         {
 160             gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
 161             ok_btn_stock = GTK_STOCK_SAVE;
 162         }
 163         else
 164         {
 165             gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
 166             ok_btn_stock = GTK_STOCK_OPEN;
 167         }
 168
 169         m_widget = gtk_file_chooser_dialog_new(
 170                        wxGTK_CONV(m_message),
 171                        gtk_parent,
 172                        gtk_action,
 173                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 174                        ok_btn_stock, GTK_RESPONSE_ACCEPT,
 175                        NULL);
 176
 177         if ( style & wxMULTIPLE )
 178             gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true);
 179
 180         // local-only property could be set to false to allow non-local files to be loaded.
 181         // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
 182         // and the GtkFileChooserDialog should probably also be created with a backend,
 183         // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
 184         // Currently local-only is kept as the default - true:
 185         // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
 186
 187         g_signal_connect(G_OBJECT(m_widget), "response",
 188             GTK_SIGNAL_FUNC(gtk_filedialog_response_callback), (gpointer)this);
 189
 190         SetWildcard(wildCard);
 191
 192         if ( style & wxSAVE )
 193         {
 194             if ( !defaultDir.empty() )
 195                 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
 196                 wxConvFileName->cWX2MB(defaultDir));
 197
 198             gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
 199                 wxConvFileName->cWX2MB(defaultFileName));
 200
 201 #if GTK_CHECK_VERSION(2,7,3)
 202             if (!gtk_check_version(2,7,3))
 203                 gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(m_widget), TRUE);
 204 #endif
 205         }
 206         else
 207         {
 208             if ( !defaultFileName.empty() )
 209             {
 210                 wxString dir;
 211                 if ( defaultDir.empty() )
 212                     dir = ::wxGetCwd();
 213                 else
 214                     dir = defaultDir;
 215
 216                 gtk_file_chooser_set_filename(
 217                     GTK_FILE_CHOOSER(m_widget),
 218                     wxConvFileName->cWX2MB( wxFileName(dir, defaultFileName).GetFullPath() ) );
 219             }
 220             else if ( !defaultDir.empty() )
 221                 gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
 222                     wxConvFileName->cWX2MB(defaultDir) );
 223         }
 224     }
 225     else
 226 #endif
 227         wxGenericFileDialog::Create( parent, message, defaultDir, defaultFileName, wildCard, style, pos );
 228 }
 229
 230 wxFileDialog::~wxFileDialog()
 231 {
 232 #ifdef __WXGTK24__
 233     if (!gtk_check_version(2,4,0))
 234     {
 235         if (m_destroyed_by_delete)
 236             m_widget = NULL;
 237     }
 238 #endif
 239 }
 240
 241 void wxFileDialog::OnFakeOk( wxCommandEvent &event )
 242 {
 243 #ifdef __WXGTK24__
 244     if (!gtk_check_version(2,4,0))
 245         wxDialog::OnOK( event );
 246     else
 247 #endif
 248         wxGenericFileDialog::OnListOk( event );
 249 }
 250
 251 int wxFileDialog::ShowModal()
 252 {
 253 #ifdef __WXGTK24__
 254     if (!gtk_check_version(2,4,0))
 255         return wxDialog::ShowModal();
 256     else
 257 #endif
 258         return wxGenericFileDialog::ShowModal();
 259 }
 260
 261 bool wxFileDialog::Show( bool show )
 262 {
 263 #ifdef __WXGTK24__
 264     if (!gtk_check_version(2,4,0))
 265         return wxDialog::Show( show );
 266     else
 267 #endif
 268         return wxGenericFileDialog::Show( show );
 269 }
 270
 271 void wxFileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
 272 {
 273     if (!m_wxwindow)
 274         return;
 275     else
 276         wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
 277 }
 278
 279 wxString wxFileDialog::GetPath() const
 280 {
 281 #ifdef __WXGTK24__
 282     if (!gtk_check_version(2,4,0))
 283         return wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
 284     else
 285 #endif
 286         return wxGenericFileDialog::GetPath();
 287 }
 288
 289 void wxFileDialog::GetFilenames(wxArrayString& files) const
 290 {
 291 #ifdef __WXGTK24__
 292     if (!gtk_check_version(2,4,0))
 293     {
 294         GetPaths(files);
 295         for (size_t n = 0; n < files.GetCount(); ++n )
 296         {
 297             wxFileName file(files[n]);
 298             files[n] = file.GetFullName();
 299         }
 300     }
 301     else
 302 #endif
 303         wxGenericFileDialog::GetFilenames( files );
 304 }
 305
 306 void wxFileDialog::GetPaths(wxArrayString& paths) const
 307 {
 308 #ifdef __WXGTK24__
 309     if (!gtk_check_version(2,4,0))
 310     {
 311         paths.Empty();
 312         if (gtk_file_chooser_get_select_multiple(GTK_FILE_CHOOSER(m_widget)))
 313         {
 314             GSList *gpathsi = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
 315             GSList *gpaths = gpathsi;
 316             while (gpathsi)
 317             {
 318                 wxString file(wxConvFileName->cMB2WX((gchar*) gpathsi->data));
 319                 paths.Add(file);
 320                 g_free(gpathsi->data);
 321                 gpathsi = gpathsi->next;
 322             }
 323
 324             g_slist_free(gpaths);
 325         }
 326         else
 327             paths.Add(GetPath());
 328     }
 329     else
 330 #endif
 331         wxGenericFileDialog::GetPaths( paths );
 332 }
 333
 334 void wxFileDialog::SetMessage(const wxString& message)
 335 {
 336 #ifdef __WXGTK24__
 337     if (!gtk_check_version(2,4,0))
 338     {
 339         m_message = message;
 340         SetTitle(message);
 341     }
 342     else
 343 #endif
 344         wxGenericFileDialog::SetMessage( message );
 345 }
 346
 347 void wxFileDialog::SetPath(const wxString& path)
 348 {
 349 #ifdef __WXGTK24__
 350     if (!gtk_check_version(2,4,0))
 351     {
 352         if (path.empty()) return;
 353
 354         gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(path));
 355     }
 356     else
 357 #endif
 358         wxGenericFileDialog::SetPath( path );
 359 }
 360
 361 void wxFileDialog::SetDirectory(const wxString& dir)
 362 {
 363 #ifdef __WXGTK24__
 364     if (!gtk_check_version(2,4,0))
 365     {
 366         if (wxDirExists(dir))
 367         {
 368             gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
 369         }
 370     }
 371     else
 372 #endif
 373         wxGenericFileDialog::SetDirectory( dir );
 374 }
 375
 376 wxString wxFileDialog::GetDirectory() const
 377 {
 378 #ifdef __WXGTK24__
 379     if (!gtk_check_version(2,4,0))
 380         return wxConvFileName->cMB2WX(
 381             gtk_file_chooser_get_current_folder( GTK_FILE_CHOOSER(m_widget) ) );
 382     else
 383 #endif
 384         return wxGenericFileDialog::GetDirectory();
 385 }
 386
 387 void wxFileDialog::SetFilename(const wxString& name)
 388 {
 389 #ifdef __WXGTK24__
 390     if (!gtk_check_version(2,4,0))
 391     {
 392         if (GetStyle() & wxSAVE)
 393             gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(name));
 394         else
 395             SetPath(wxFileName(GetDirectory(), name).GetFullPath());
 396     }
 397     else
 398 #endif
 399         wxGenericFileDialog::SetFilename( name );
 400 }
 401
 402 wxString wxFileDialog::GetFilename() const
 403 {
 404 #ifdef __WXGTK24__
 405     if (!gtk_check_version(2,4,0))
 406         return wxFileName(
 407             wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget))) ).GetFullName();
 408     else
 409 #endif
 410         return wxGenericFileDialog::GetFilename();
 411 }
 412
 413 void wxFileDialog::SetWildcard(const wxString& wildCard)
 414 {
 415 #ifdef __WXGTK24__
 416     if (!gtk_check_version(2,4,0))
 417     {
 418         // parse filters
 419         wxArrayString wildDescriptions, wildFilters;
 420         if (!wxParseCommonDialogsFilter(wildCard, wildDescriptions, wildFilters))
 421         {
 422             wxFAIL_MSG( wxT("wxFileDialog::SetWildCard - bad wildcard string") );
 423         }
 424         else
 425         {
 426             // Parsing went fine. Set m_wildCard to be returned by wxFileDialogBase::GetWildcard
 427             m_wildCard = wildCard;
 428
 429             GtkFileChooser* chooser = GTK_FILE_CHOOSER(m_widget);
 430
 431             // empty current filter list:
 432             GSList* ifilters = gtk_file_chooser_list_filters(chooser);
 433             GSList* filters = ifilters;
 434
 435             while (ifilters)
 436             {
 437                 gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
 438                 ifilters = ifilters->next;
 439             }
 440             g_slist_free(filters);
 441
 442             // add parsed to GtkChooser
 443             for (size_t n = 0; n < wildFilters.GetCount(); ++n)
 444             {
 445                 GtkFileFilter* filter = gtk_file_filter_new();
 446                 gtk_file_filter_set_name(filter, wxGTK_CONV(wildDescriptions[n]));
 447
 448                 wxStringTokenizer exttok(wildFilters[n], wxT(";"));
 449                 while (exttok.HasMoreTokens())
 450                 {
 451                     wxString token = exttok.GetNextToken();
 452                     gtk_file_filter_add_pattern(filter, wxGTK_CONV(token));
 453                 }
 454
 455                 gtk_file_chooser_add_filter(chooser, filter);
 456             }
 457
 458             // Reset the filter index
 459             SetFilterIndex(0);
 460         }
 461     }
 462     else
 463 #endif
 464         wxGenericFileDialog::SetWildcard( wildCard );
 465 }
 466
 467 void wxFileDialog::SetFilterIndex(int filterIndex)
 468 {
 469 #ifdef __WXGTK24__
 470     if (!gtk_check_version(2,4,0))
 471     {
 472         gpointer filter;
 473         GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
 474         GSList *filters = gtk_file_chooser_list_filters(chooser);
 475
 476         filter = g_slist_nth_data(filters, filterIndex);
 477
 478         if (filter != NULL)
 479         {
 480             gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(filter));
 481         }
 482         else
 483         {
 484             wxFAIL_MSG( wxT("wxFileDialog::SetFilterIndex - bad filter index") );
 485         }
 486
 487         g_slist_free(filters);
 488     }
 489     else
 490 #endif
 491         wxGenericFileDialog::SetFilterIndex( filterIndex );
 492 }
 493
 494 int wxFileDialog::GetFilterIndex() const
 495 {
 496 #ifdef __WXGTK24__
 497     if (!gtk_check_version(2,4,0))
 498     {
 499         GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
 500         GtkFileFilter *filter = gtk_file_chooser_get_filter(chooser);
 501         GSList *filters = gtk_file_chooser_list_filters(chooser);
 502         gint index = g_slist_index(filters, filter);
 503         g_slist_free(filters);
 504
 505         if (index == -1)
 506         {
 507             wxFAIL_MSG( wxT("wxFileDialog::GetFilterIndex - bad filter index returned by gtk+") );
 508             return 0;
 509         }
 510         else
 511             return index;
 512     }
 513     else
 514 #endif
 515                 return wxGenericFileDialog::GetFilterIndex();
 516 }
 517
 518 #endif // wxUSE_FILEDLG