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[wxWidgets.git] / src / gtk / filedlg.cpp
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c801d85f 1/////////////////////////////////////////////////////////////////////////////
9b5f1895 2// Name: src/gtk/filedlg.cpp
9755e73b 3// Purpose: native implementation of wxFileDialog
f8bc53eb 4// Author: Robert Roebling, Zbigniew Zagorski, Mart Raudsepp
a81258be 5// Id: $Id$
f8bc53eb 6// Copyright: (c) 1998 Robert Roebling, 2004 Zbigniew Zagorski, 2005 Mart Raudsepp
65571936 7// Licence: wxWindows licence
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8/////////////////////////////////////////////////////////////////////////////
9
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10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
ff3e84ff 13#if wxUSE_FILEDLG && defined(__WXGTK24__)
9755e73b 14
c801d85f 15#include "wx/filedlg.h"
4e1901b7 16
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17#ifndef WX_PRECOMP
18 #include "wx/intl.h"
246c5004 19 #include "wx/msgdlg.h"
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20#endif
21
f8bc53eb 22#include <gtk/gtk.h>
9755e73b 23#include "wx/gtk/private.h"
83624f79 24
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25#include <unistd.h> // chdir
26
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27#include "wx/filename.h" // wxFilename
28#include "wx/tokenzr.h" // wxStringTokenizer
29#include "wx/filefn.h" // ::wxGetCwd
f8bc53eb 30
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31//-----------------------------------------------------------------------------
32// "clicked" for OK-button
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33//-----------------------------------------------------------------------------
34
865bb325 35extern "C" {
9755e73b 36static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
c801d85f 37{
ff3e84ff 38 int style = dialog->GetWindowStyle();
e808cf8a 39 wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)));
035b704a 40
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41 // gtk version numbers must be identical with the one in ctor (that calls set_do_overwrite_confirmation)
42#if GTK_CHECK_VERSION(2,7,3)
43 if(gtk_check_version(2,7,3) != NULL)
44#endif
ff3e84ff 45 if ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT))
bfc6fde4 46 {
f8bc53eb 47 if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
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48 {
49 wxString msg;
f8bc53eb 50
9755e73b 51 msg.Printf(
f8bc53eb 52 _("File '%s' already exists, do you really want to overwrite it?"),
86501081 53 wxString(filename, *wxConvFileName));
0e1399b3 54
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55 wxMessageDialog dlg(dialog, msg, _("Confirm"),
56 wxYES_NO | wxICON_QUESTION);
57 if (dlg.ShowModal() != wxID_YES)
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58 return;
59 }
83624f79 60 }
035b704a 61
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62 if (style & wxFD_FILE_MUST_EXIST)
63 {
64 if ( !g_file_test(filename, G_FILE_TEST_EXISTS) )
65 {
e4161a2a 66 wxMessageDialog dlg( dialog, _("Please choose an existing file."),
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67 _("Error"), wxOK| wxICON_ERROR);
68 dlg.ShowModal();
69 return;
70 }
71 }
e4161a2a 72
3f6638b8 73 // change to the directory where the user went if asked
ff3e84ff 74 if (style & wxFD_CHANGE_DIR)
3f6638b8 75 {
f8bc53eb 76 // Use chdir to not care about filename encodings
e808cf8a 77 wxGtkString folder(g_path_get_dirname(filename));
f8bc53eb 78 chdir(folder);
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79 }
80
bfc6fde4 81 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
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82 event.SetEventObject(dialog);
83 dialog->GetEventHandler()->ProcessEvent(event);
ff7b1510 84}
865bb325 85}
c801d85f 86
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87//-----------------------------------------------------------------------------
88// "clicked" for Cancel-button
89//-----------------------------------------------------------------------------
90
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91extern "C"
92{
93
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94static void
95gtk_filedialog_cancel_callback(GtkWidget * WXUNUSED(w), wxFileDialog *dialog)
c801d85f 96{
bfc6fde4 97 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
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98 event.SetEventObject(dialog);
99 dialog->GetEventHandler()->ProcessEvent(event);
100}
101
102static void gtk_filedialog_response_callback(GtkWidget *w,
f8bc53eb 103 gint response,
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104 wxFileDialog *dialog)
105{
a7334928 106 if (response == GTK_RESPONSE_ACCEPT)
9755e73b 107 gtk_filedialog_ok_callback(w, dialog);
a552d120 108 else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE
c2740a5a 109 gtk_filedialog_cancel_callback(w, dialog);
ff7b1510 110}
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111
112static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser,
113 gpointer user_data)
114{
115#if GTK_CHECK_VERSION(2,4,0)
116 GtkWidget *preview = GTK_WIDGET(user_data);
3ab296d9 117
e808cf8a 118 wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser));
3ab296d9 119
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120 if ( !filename )
121 return;
122
123 GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL);
124 gboolean have_preview = pixbuf != NULL;
125
126 gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf);
127 if ( pixbuf )
128 g_object_unref (pixbuf);
129
130 gtk_file_chooser_set_preview_widget_active(chooser, have_preview);
131#else
132 wxUnusedVar(chooser);
133 wxUnusedVar(user_data);
134#endif // GTK+ 2.4+
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135}
136
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137} // extern "C"
138
c801d85f 139
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140//-----------------------------------------------------------------------------
141// wxFileDialog
142//-----------------------------------------------------------------------------
143
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144IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
145
146BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
f8bc53eb 147 EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
4e1901b7 148END_EVENT_TABLE()
c801d85f 149
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150wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
151 const wxString& defaultDir,
152 const wxString& defaultFileName,
153 const wxString& wildCard,
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154 long style, const wxPoint& pos,
155 const wxSize& sz,
156 const wxString& name)
4e1901b7 157 : wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
ff3e84ff 158 wildCard, style, pos, sz, name, true )
c801d85f 159{
9f057af5 160 if (gtk_check_version(2,4,0))
77f70672 161 {
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162 wxGenericFileDialog::Create( parent, message, defaultDir,
163 defaultFileName, wildCard, style, pos );
164 return;
165 }
83624f79 166
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167 parent = GetParentForModalDialog(parent);
168
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169 if (!PreCreation(parent, pos, wxDefaultSize) ||
170 !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
171 wxDefaultValidator, wxT("filedialog")))
172 {
173 wxFAIL_MSG( wxT("wxFileDialog creation failed") );
174 return;
175 }
3f6638b8 176
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177 GtkFileChooserAction gtk_action;
178 GtkWindow* gtk_parent = NULL;
179 if (parent)
180 gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
27b2dd53 181
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182 const gchar* ok_btn_stock;
183 if ( style & wxFD_SAVE )
184 {
185 gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
186 ok_btn_stock = GTK_STOCK_SAVE;
187 }
188 else
189 {
190 gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
191 ok_btn_stock = GTK_STOCK_OPEN;
192 }
f8bc53eb 193
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194 m_widget = gtk_file_chooser_dialog_new(
195 wxGTK_CONV(m_message),
196 gtk_parent,
197 gtk_action,
198 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
199 ok_btn_stock, GTK_RESPONSE_ACCEPT,
200 NULL);
9755e73b 201
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202 m_fc.SetWidget( GTK_FILE_CHOOSER(m_widget) );
203
9f057af5 204 gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT);
c1dfe97c 205
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206 if ( style & wxFD_MULTIPLE )
207 gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true);
27b2dd53 208
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209 // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically
210 // destroys the dialog when the user press ESC on the dialog: in that case
211 // a second call to ShowModal() would result in a bunch of Gtk-CRITICAL
212 // errors...
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213 g_signal_connect (G_OBJECT(m_widget),
214 "delete_event",
215 G_CALLBACK (gtk_widget_hide_on_delete),
216 (gpointer)this);
a552d120 217
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218 // local-only property could be set to false to allow non-local files to be
219 // loaded. In that case get/set_uri(s) should be used instead of
220 // get/set_filename(s) everywhere and the GtkFileChooserDialog should
221 // probably also be created with a backend, e.g "gnome-vfs", "default", ...
222 // (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept
223 // as the default - true:
9f057af5 224 // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
27b2dd53 225
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226 g_signal_connect (m_widget, "response",
227 G_CALLBACK (gtk_filedialog_response_callback), this);
27b2dd53 228
9f057af5 229 SetWildcard(wildCard);
f8bc53eb 230
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231 // if defaultDir is specified it should contain the directory and
232 // defaultFileName should contain the default name of the file, however if
233 // directory is not given, defaultFileName contains both
234 wxFileName fn;
235 if ( defaultDir.empty() )
236 fn.Assign(defaultFileName);
237 else if ( !defaultFileName.empty() )
238 fn.Assign(defaultDir, defaultFileName);
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239 else
240 fn.AssignDir(defaultDir);
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241
242 // set the initial file name and/or directory
78355ffc 243 fn.MakeAbsolute(); // GTK+ needs absolute path
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244 const wxString dir = fn.GetPath();
245 if ( !dir.empty() )
9f057af5 246 {
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247 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
248 dir.fn_str());
bf345206 249 }
f8bc53eb 250
3a41827a 251 const wxString fname = fn.GetFullName();
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252 if ( style & wxFD_SAVE )
253 {
254 if ( !fname.empty() )
255 {
256 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
257 fname.fn_str());
258 }
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259
260#if GTK_CHECK_VERSION(2,7,3)
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261 if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3))
262 gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(m_widget), TRUE);
b5ab6d19 263#endif
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264 }
265 else // wxFD_OPEN
266 {
bf345206 267 if ( !fname.empty() )
f8bc53eb 268 {
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269 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget),
270 fn.GetFullPath().fn_str());
f8bc53eb 271 }
77f70672 272 }
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273
274#if GTK_CHECK_VERSION(2,4,0)
275 if ( style & wxFD_PREVIEW )
276 {
277 GtkWidget *previewImage = gtk_image_new();
278
279 gtk_file_chooser_set_preview_widget(GTK_FILE_CHOOSER(m_widget),
280 previewImage);
281 g_signal_connect(m_widget, "update-preview",
282 G_CALLBACK(gtk_filedialog_update_preview_callback),
283 previewImage);
284 }
285#endif // GTK+ 2.4+
9755e73b 286}
0e1399b3 287
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288void wxFileDialog::OnFakeOk( wxCommandEvent &event )
289{
77f70672 290 if (!gtk_check_version(2,4,0))
86508681 291 EndDialog(wxID_OK);
77f70672 292 else
0cf3e587 293 wxGenericFileDialog::OnOk( event );
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294}
295
296int wxFileDialog::ShowModal()
297{
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298 if (!gtk_check_version(2,4,0))
299 return wxDialog::ShowModal();
300 else
77f70672 301 return wxGenericFileDialog::ShowModal();
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302}
303
304bool wxFileDialog::Show( bool show )
305{
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306 if (!gtk_check_version(2,4,0))
307 return wxDialog::Show( show );
308 else
77f70672 309 return wxGenericFileDialog::Show( show );
9755e73b 310}
0e1399b3 311
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312void wxFileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
313{
314 if (!m_wxwindow)
315 return;
316 else
317 wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
318}
319
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320wxString wxFileDialog::GetPath() const
321{
f8bc53eb 322 if (!gtk_check_version(2,4,0))
3ab296d9 323 {
0cf3e587 324 return m_fc.GetPath();
3ab296d9 325 }
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326
327 return wxGenericFileDialog::GetPath();
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328}
329
27b2dd53 330void wxFileDialog::GetFilenames(wxArrayString& files) const
9755e73b 331{
77f70672 332 if (!gtk_check_version(2,4,0))
9755e73b 333 {
0cf3e587 334 m_fc.GetFilenames( files );
9755e73b 335 }
77f70672 336 else
77f70672 337 wxGenericFileDialog::GetFilenames( files );
9755e73b 338}
76840ed0 339
27b2dd53 340void wxFileDialog::GetPaths(wxArrayString& paths) const
9755e73b 341{
77f70672 342 if (!gtk_check_version(2,4,0))
9755e73b 343 {
0cf3e587 344 m_fc.GetPaths( paths );
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345 }
346 else
77f70672 347 wxGenericFileDialog::GetPaths( paths );
9755e73b 348}
035b704a 349
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350void wxFileDialog::SetMessage(const wxString& message)
351{
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352 if (!gtk_check_version(2,4,0))
353 {
354 m_message = message;
355 SetTitle(message);
356 }
357 else
77f70672 358 wxGenericFileDialog::SetMessage( message );
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359}
360
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361void wxFileDialog::SetPath(const wxString& path)
362{
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363 if (!gtk_check_version(2,4,0))
364 {
0cf3e587 365 m_fc.SetPath( path );
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366 }
367 else
77f70672 368 wxGenericFileDialog::SetPath( path );
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369}
370
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371void wxFileDialog::SetDirectory(const wxString& dir)
372{
77f70672 373 if (!gtk_check_version(2,4,0))
76840ed0 374 {
0cf3e587 375 m_fc.SetDirectory( dir );
76840ed0 376 }
77f70672 377 else
77f70672 378 wxGenericFileDialog::SetDirectory( dir );
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379}
380
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381wxString wxFileDialog::GetDirectory() const
382{
f8bc53eb 383 if (!gtk_check_version(2,4,0))
3ab296d9 384 {
0cf3e587 385 m_fc.GetDirectory();
3ab296d9 386 }
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387
388 return wxGenericFileDialog::GetDirectory();
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389}
390
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391void wxFileDialog::SetFilename(const wxString& name)
392{
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393 if (!gtk_check_version(2,4,0))
394 {
b014db05 395 if (HasFdFlag(wxFD_SAVE))
f0f1afb8 396 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name));
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397 else
398 SetPath(wxFileName(GetDirectory(), name).GetFullPath());
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399 }
400 else
77f70672 401 wxGenericFileDialog::SetFilename( name );
9755e73b 402}
035b704a 403
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404wxString wxFileDialog::GetFilename() const
405{
f8bc53eb 406 if (!gtk_check_version(2,4,0))
0cf3e587 407 return m_fc.GetFilename();
f8bc53eb 408 else
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409 return wxGenericFileDialog::GetFilename();
410}
411
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412void wxFileDialog::SetWildcard(const wxString& wildCard)
413{
77f70672 414 if (!gtk_check_version(2,4,0))
9755e73b 415 {
0cf3e587 416 m_fc.SetWildcard( wildCard );
9755e73b 417 }
77f70672 418 else
77f70672 419 wxGenericFileDialog::SetWildcard( wildCard );
9755e73b 420}
a3622daa 421
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422void wxFileDialog::SetFilterIndex(int filterIndex)
423{
ff3e84ff 424
77f70672 425 if (!gtk_check_version(2,4,0))
9755e73b 426 {
0cf3e587 427 m_fc.SetFilterIndex( filterIndex);
9755e73b 428 }
77f70672 429 else
77f70672 430 wxGenericFileDialog::SetFilterIndex( filterIndex );
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431}
432
f8bc53eb 433int wxFileDialog::GetFilterIndex() const
4e1901b7 434{
f8bc53eb 435 if (!gtk_check_version(2,4,0))
4e1901b7 436 {
0cf3e587 437 return m_fc.GetFilterIndex();
9755e73b 438 }
f8bc53eb 439 else
f8bc53eb 440 return wxGenericFileDialog::GetFilterIndex();
9755e73b 441}
3f6638b8 442
ff3e84ff 443#endif // wxUSE_FILEDLG && __WXGTK24__