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1/////////////////////////////////////////////////////////////////////////////
2// Name: 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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
11#pragma implementation "filedlggtk.h"
12#endif
13
14// For compilers that support precompilation, includes "wx.h".
15#include "wx/wxprec.h"
16
17// Include setup.h to get wxUSE flags for compilers that do not support precompilation of headers
18#include "wx/setup.h"
19
20#if wxUSE_FILEDLG
21
22#include "wx/filedlg.h"
23
24#ifdef __WXGTK24__
25
26#include <gtk/gtk.h>
27#include "wx/gtk/private.h"
28
29#include <unistd.h> // chdir
30
31#include "wx/intl.h"
32#include "wx/filename.h" // wxFilename
33#include "wx/tokenzr.h" // wxStringTokenizer
34#include "wx/filefn.h" // ::wxGetCwd
35#include "wx/msgdlg.h" // wxMessageDialog
36
37//-----------------------------------------------------------------------------
38// idle system
39//-----------------------------------------------------------------------------
40
41extern void wxapp_install_idle_handler();
42
43//-----------------------------------------------------------------------------
44// "clicked" for OK-button
45//-----------------------------------------------------------------------------
46
47extern "C" {
48static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog)
49{
50 int style = dialog->GetStyle();
51 gchar* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget));
52
53 if ((style & wxSAVE) && (style & wxOVERWRITE_PROMPT))
54 {
55 if ( g_file_test(filename, G_FILE_TEST_EXISTS) )
56 {
57 wxString msg;
58
59 msg.Printf(
60 _("File '%s' already exists, do you really want to overwrite it?"),
61 wxString(wxConvFileName->cMB2WX(filename)).c_str());
62
63 wxMessageDialog dlg(dialog, msg, _("Confirm"),
64 wxYES_NO | wxICON_QUESTION);
65 if (dlg.ShowModal() != wxID_YES)
66 return;
67 }
68 }
69
70 // change to the directory where the user went if asked
71 if (style & wxCHANGE_DIR)
72 {
73 // Use chdir to not care about filename encodings
74 gchar* folder = g_path_get_dirname(filename);
75 chdir(folder);
76 g_free(folder);
77 }
78
79 g_free(filename);
80
81 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
82 event.SetEventObject(dialog);
83 dialog->GetEventHandler()->ProcessEvent(event);
84}
85}
86
87//-----------------------------------------------------------------------------
88// "clicked" for Cancel-button
89//-----------------------------------------------------------------------------
90
91extern "C" {
92static void gtk_filedialog_cancel_callback(GtkWidget *WXUNUSED(w),
93 wxFileDialog *dialog)
94{
95 wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
96 event.SetEventObject(dialog);
97 dialog->GetEventHandler()->ProcessEvent(event);
98}
99}
100
101extern "C" {
102static void gtk_filedialog_response_callback(GtkWidget *w,
103 gint response,
104 wxFileDialog *dialog)
105{
106 wxapp_install_idle_handler();
107
108 if (response == GTK_RESPONSE_ACCEPT)
109 gtk_filedialog_ok_callback(w, dialog);
110 else if (response == GTK_RESPONSE_CANCEL)
111 gtk_filedialog_cancel_callback(w, dialog);
112 else // "delete"
113 {
114 gtk_filedialog_cancel_callback(w, dialog);
115 dialog->m_destroyed_by_delete = true;
116 }
117}
118}
119
120#endif // __WXGTK24__
121
122//-----------------------------------------------------------------------------
123// wxFileDialog
124//-----------------------------------------------------------------------------
125
126IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxGenericFileDialog)
127
128BEGIN_EVENT_TABLE(wxFileDialog,wxGenericFileDialog)
129 EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk)
130END_EVENT_TABLE()
131
132wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
133 const wxString& defaultDir,
134 const wxString& defaultFileName,
135 const wxString& wildCard,
136 long style, const wxPoint& pos)
137 : wxGenericFileDialog(parent, message, defaultDir, defaultFileName,
138 wildCard, style, pos, true )
139{
140#ifdef __WXGTK24__
141 if (!gtk_check_version(2,4,0))
142 {
143 wxASSERT_MSG( !( (style & wxSAVE) && (style & wxMULTIPLE) ), wxT("wxFileDialog - wxMULTIPLE used on a save dialog" ) );
144 m_needParent = false;
145 m_destroyed_by_delete = false;
146
147 if (!PreCreation(parent, pos, wxDefaultSize) ||
148 !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style,
149 wxDefaultValidator, wxT("filedialog")))
150 {
151 wxFAIL_MSG( wxT("wxFileDialog creation failed") );
152 return;
153 }
154
155 GtkFileChooserAction gtk_action;
156 GtkWindow* gtk_parent = NULL;
157 if (parent)
158 gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) );
159
160 gchar* ok_btn_stock;
161 if ( style & wxSAVE )
162 {
163 gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE;
164 ok_btn_stock = GTK_STOCK_SAVE;
165 }
166 else
167 {
168 gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN;
169 ok_btn_stock = GTK_STOCK_OPEN;
170 }
171
172 m_widget = gtk_file_chooser_dialog_new(
173 wxGTK_CONV(m_message),
174 gtk_parent,
175 gtk_action,
176 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
177 ok_btn_stock, GTK_RESPONSE_ACCEPT,
178 NULL);
179
180 if ( style & wxMULTIPLE )
181 gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true);
182
183 // local-only property could be set to false to allow non-local files to be loaded.
184 // In that case get/set_uri(s) should be used instead of get/set_filename(s) everywhere
185 // and the GtkFileChooserDialog should probably also be created with a backend,
186 // e.g "gnome-vfs", "default", ... (gtk_file_chooser_dialog_new_with_backend).
187 // Currently local-only is kept as the default - true:
188 // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true);
189
190 g_signal_connect(G_OBJECT(m_widget), "response",
191 GTK_SIGNAL_FUNC(gtk_filedialog_response_callback), (gpointer)this);
192
193 SetWildcard(wildCard);
194
195 if ( style & wxSAVE )
196 {
197 if ( !defaultDir.empty() )
198 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget),
199 wxConvFileName->cWX2MB(defaultDir));
200
201 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget),
202 wxConvFileName->cWX2MB(defaultFileName));
203 }
204 else
205 {
206 if ( !defaultFileName.empty() )
207 {
208 wxString dir;
209 if ( defaultDir.empty() )
210 dir = ::wxGetCwd();
211 else
212 dir = defaultDir;
213
214 gtk_file_chooser_set_filename(
215 GTK_FILE_CHOOSER(m_widget),
216 wxConvFileName->cWX2MB( wxFileName(dir, defaultFileName).GetFullPath() ) );
217 }
218 else if ( !defaultDir.empty() )
219 gtk_file_chooser_set_current_folder( GTK_FILE_CHOOSER(m_widget),
220 wxConvFileName->cWX2MB(defaultDir) );
221 }
222 }
223 else
224#endif
225 wxGenericFileDialog::Create( parent, message, defaultDir, defaultFileName, wildCard, style, pos );
226}
227
228wxFileDialog::~wxFileDialog()
229{
230#ifdef __WXGTK24__
231 if (!gtk_check_version(2,4,0))
232 {
233 if (m_destroyed_by_delete)
234 m_widget = NULL;
235 }
236#endif
237}
238
239void wxFileDialog::OnFakeOk( wxCommandEvent &event )
240{
241#ifdef __WXGTK24__
242 if (!gtk_check_version(2,4,0))
243 wxDialog::OnOK( event );
244 else
245#endif
246 wxGenericFileDialog::OnListOk( event );
247}
248
249int wxFileDialog::ShowModal()
250{
251#ifdef __WXGTK24__
252 if (!gtk_check_version(2,4,0))
253 return wxDialog::ShowModal();
254 else
255#endif
256 return wxGenericFileDialog::ShowModal();
257}
258
259bool wxFileDialog::Show( bool show )
260{
261#ifdef __WXGTK24__
262 if (!gtk_check_version(2,4,0))
263 return wxDialog::Show( show );
264 else
265#endif
266 return wxGenericFileDialog::Show( show );
267}
268
269void wxFileDialog::DoSetSize(int x, int y, int width, int height, int sizeFlags )
270{
271 if (!m_wxwindow)
272 return;
273 else
274 wxGenericFileDialog::DoSetSize( x, y, width, height, sizeFlags );
275}
276
277wxString wxFileDialog::GetPath() const
278{
279#ifdef __WXGTK24__
280 if (!gtk_check_version(2,4,0))
281 return wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget)));
282 else
283#endif
284 return wxGenericFileDialog::GetPath();
285}
286
287void wxFileDialog::GetFilenames(wxArrayString& files) const
288{
289#ifdef __WXGTK24__
290 if (!gtk_check_version(2,4,0))
291 {
292 GetPaths(files);
293 for (size_t n = 0; n < files.GetCount(); ++n )
294 {
295 wxFileName file(files[n]);
296 files[n] = file.GetFullName();
297 }
298 }
299 else
300#endif
301 wxGenericFileDialog::GetFilenames( files );
302}
303
304void wxFileDialog::GetPaths(wxArrayString& paths) const
305{
306#ifdef __WXGTK24__
307 if (!gtk_check_version(2,4,0))
308 {
309 paths.Empty();
310 if (gtk_file_chooser_get_select_multiple(GTK_FILE_CHOOSER(m_widget)))
311 {
312 GSList *gpathsi = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(m_widget));
313 GSList *gpaths = gpathsi;
314 while (gpathsi)
315 {
316 wxString file(wxConvFileName->cMB2WX((gchar*) gpathsi->data));
317 paths.Add(file);
318 g_free(gpathsi->data);
319 gpathsi = gpathsi->next;
320 }
321
322 g_slist_free(gpaths);
323 }
324 else
325 paths.Add(GetPath());
326 }
327 else
328#endif
329 wxGenericFileDialog::GetPaths( paths );
330}
331
332void wxFileDialog::SetMessage(const wxString& message)
333{
334#ifdef __WXGTK24__
335 if (!gtk_check_version(2,4,0))
336 {
337 m_message = message;
338 SetTitle(message);
339 }
340 else
341#endif
342 wxGenericFileDialog::SetMessage( message );
343}
344
345void wxFileDialog::SetPath(const wxString& path)
346{
347#ifdef __WXGTK24__
348 if (!gtk_check_version(2,4,0))
349 {
350 if (path.empty()) return;
351
352 gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(path));
353 }
354 else
355#endif
356 wxGenericFileDialog::SetPath( path );
357}
358
359void wxFileDialog::SetDirectory(const wxString& dir)
360{
361#ifdef __WXGTK24__
362 if (!gtk_check_version(2,4,0))
363 {
364 if (wxDirExists(dir))
365 {
366 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(dir));
367 }
368 }
369 else
370#endif
371 wxGenericFileDialog::SetDirectory( dir );
372}
373
374wxString wxFileDialog::GetDirectory() const
375{
376#ifdef __WXGTK24__
377 if (!gtk_check_version(2,4,0))
378 return wxConvFileName->cMB2WX(
379 gtk_file_chooser_get_current_folder( GTK_FILE_CHOOSER(m_widget) ) );
380 else
381#endif
382 return wxGenericFileDialog::GetDirectory();
383}
384
385void wxFileDialog::SetFilename(const wxString& name)
386{
387#ifdef __WXGTK24__
388 if (!gtk_check_version(2,4,0))
389 {
390 if (GetStyle() & wxSAVE)
391 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxConvFileName->cWX2MB(name));
392 else
393 SetPath(wxFileName(GetDirectory(), name).GetFullPath());
394 }
395 else
396#endif
397 wxGenericFileDialog::SetFilename( name );
398}
399
400wxString wxFileDialog::GetFilename() const
401{
402#ifdef __WXGTK24__
403 if (!gtk_check_version(2,4,0))
404 return wxFileName(
405 wxConvFileName->cMB2WX(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(m_widget))) ).GetFullName();
406 else
407#endif
408 return wxGenericFileDialog::GetFilename();
409}
410
411void wxFileDialog::SetWildcard(const wxString& wildCard)
412{
413#ifdef __WXGTK24__
414 if (!gtk_check_version(2,4,0))
415 {
416 // parse filters
417 wxArrayString wildDescriptions, wildFilters;
418 if (!wxParseCommonDialogsFilter(wildCard, wildDescriptions, wildFilters))
419 {
420 wxFAIL_MSG( wxT("wxFileDialog::SetWildCard - bad wildcard string") );
421 }
422 else
423 {
424 // Parsing went fine. Set m_wildCard to be returned by wxFileDialogBase::GetWildcard
425 m_wildCard = wildCard;
426
427 GtkFileChooser* chooser = GTK_FILE_CHOOSER(m_widget);
428
429 // empty current filter list:
430 GSList* ifilters = gtk_file_chooser_list_filters(chooser);
431 GSList* filters = ifilters;
432
433 while (ifilters)
434 {
435 gtk_file_chooser_remove_filter(chooser,GTK_FILE_FILTER(ifilters->data));
436 ifilters = ifilters->next;
437 }
438 g_slist_free(filters);
439
440 // add parsed to GtkChooser
441 for (size_t n = 0; n < wildFilters.GetCount(); ++n)
442 {
443 GtkFileFilter* filter = gtk_file_filter_new();
444 gtk_file_filter_set_name(filter, wxGTK_CONV(wildDescriptions[n]));
445
446 wxStringTokenizer exttok(wildFilters[n], wxT(";"));
447 while (exttok.HasMoreTokens())
448 {
449 wxString token = exttok.GetNextToken();
450 gtk_file_filter_add_pattern(filter, wxGTK_CONV(token));
451 }
452
453 gtk_file_chooser_add_filter(chooser, filter);
454 }
455
456 // Reset the filter index
457 SetFilterIndex(0);
458 }
459 }
460 else
461#endif
462 wxGenericFileDialog::SetWildcard( wildCard );
463}
464
465void wxFileDialog::SetFilterIndex(int filterIndex)
466{
467#ifdef __WXGTK24__
468 if (!gtk_check_version(2,4,0))
469 {
470 gpointer filter;
471 GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
472 GSList *filters = gtk_file_chooser_list_filters(chooser);
473
474 filter = g_slist_nth_data(filters, filterIndex);
475
476 if (filter != NULL)
477 {
478 gtk_file_chooser_set_filter(chooser, GTK_FILE_FILTER(filter));
479 }
480 else
481 {
482 wxFAIL_MSG( wxT("wxFileDialog::SetFilterIndex - bad filter index") );
483 }
484
485 g_slist_free(filters);
486 }
487 else
488#endif
489 wxGenericFileDialog::SetFilterIndex( filterIndex );
490}
491
492int wxFileDialog::GetFilterIndex() const
493{
494#ifdef __WXGTK24__
495 if (!gtk_check_version(2,4,0))
496 {
497 GtkFileChooser *chooser = GTK_FILE_CHOOSER(m_widget);
498 GtkFileFilter *filter = gtk_file_chooser_get_filter(chooser);
499 GSList *filters = gtk_file_chooser_list_filters(chooser);
500 gint index = g_slist_index(filters, filter);
501 g_slist_free(filters);
502
503 if (index == -1)
504 {
505 wxFAIL_MSG( wxT("wxFileDialog::GetFilterIndex - bad filter index returned by gtk+") );
506 return 0;
507 }
508 else
509 return index;
510 }
511 else
512#endif
513 return wxGenericFileDialog::GetFilterIndex();
514}
515
516#endif // wxUSE_FILEDLG