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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 | #ifndef WX_PRECOMP | |
18 | #include "wx/intl.h" | |
19 | #include "wx/msgdlg.h" | |
20 | #endif | |
21 | ||
22 | #include <gtk/gtk.h> | |
23 | #include "wx/gtk/private.h" | |
24 | ||
25 | #include <unistd.h> // chdir | |
26 | ||
27 | #include "wx/filename.h" // wxFilename | |
28 | #include "wx/tokenzr.h" // wxStringTokenizer | |
29 | #include "wx/filefn.h" // ::wxGetCwd | |
30 | ||
31 | //----------------------------------------------------------------------------- | |
32 | // "clicked" for OK-button | |
33 | //----------------------------------------------------------------------------- | |
34 | ||
35 | extern "C" { | |
36 | static void gtk_filedialog_ok_callback(GtkWidget *widget, wxFileDialog *dialog) | |
37 | { | |
38 | int style = dialog->GetWindowStyle(); | |
39 | wxGtkString filename(gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget))); | |
40 | ||
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 | |
45 | if ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT)) | |
46 | { | |
47 | if ( g_file_test(filename, G_FILE_TEST_EXISTS) ) | |
48 | { | |
49 | wxString msg; | |
50 | ||
51 | msg.Printf( | |
52 | _("File '%s' already exists, do you really want to overwrite it?"), | |
53 | wxString(filename, *wxConvFileName)); | |
54 | ||
55 | wxMessageDialog dlg(dialog, msg, _("Confirm"), | |
56 | wxYES_NO | wxICON_QUESTION); | |
57 | if (dlg.ShowModal() != wxID_YES) | |
58 | return; | |
59 | } | |
60 | } | |
61 | ||
62 | if (style & wxFD_FILE_MUST_EXIST) | |
63 | { | |
64 | if ( !g_file_test(filename, G_FILE_TEST_EXISTS) ) | |
65 | { | |
66 | wxMessageDialog dlg( dialog, _("Please choose an existing file."), | |
67 | _("Error"), wxOK| wxICON_ERROR); | |
68 | dlg.ShowModal(); | |
69 | return; | |
70 | } | |
71 | } | |
72 | ||
73 | // change to the directory where the user went if asked | |
74 | if (style & wxFD_CHANGE_DIR) | |
75 | { | |
76 | // Use chdir to not care about filename encodings | |
77 | wxGtkString folder(g_path_get_dirname(filename)); | |
78 | chdir(folder); | |
79 | } | |
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 | ||
91 | extern "C" | |
92 | { | |
93 | ||
94 | static void | |
95 | gtk_filedialog_cancel_callback(GtkWidget * WXUNUSED(w), wxFileDialog *dialog) | |
96 | { | |
97 | wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); | |
98 | event.SetEventObject(dialog); | |
99 | dialog->GetEventHandler()->ProcessEvent(event); | |
100 | } | |
101 | ||
102 | static void gtk_filedialog_response_callback(GtkWidget *w, | |
103 | gint response, | |
104 | wxFileDialog *dialog) | |
105 | { | |
106 | if (response == GTK_RESPONSE_ACCEPT) | |
107 | gtk_filedialog_ok_callback(w, dialog); | |
108 | else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE | |
109 | gtk_filedialog_cancel_callback(w, dialog); | |
110 | } | |
111 | ||
112 | static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser, | |
113 | gpointer user_data) | |
114 | { | |
115 | GtkWidget *preview = GTK_WIDGET(user_data); | |
116 | ||
117 | wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser)); | |
118 | ||
119 | if ( !filename ) | |
120 | return; | |
121 | ||
122 | GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL); | |
123 | gboolean have_preview = pixbuf != NULL; | |
124 | ||
125 | gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf); | |
126 | if ( pixbuf ) | |
127 | g_object_unref (pixbuf); | |
128 | ||
129 | gtk_file_chooser_set_preview_widget_active(chooser, have_preview); | |
130 | } | |
131 | ||
132 | } // extern "C" | |
133 | ||
134 | ||
135 | //----------------------------------------------------------------------------- | |
136 | // wxFileDialog | |
137 | //----------------------------------------------------------------------------- | |
138 | ||
139 | IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase) | |
140 | ||
141 | BEGIN_EVENT_TABLE(wxFileDialog,wxFileDialogBase) | |
142 | EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk) | |
143 | END_EVENT_TABLE() | |
144 | ||
145 | wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message, | |
146 | const wxString& defaultDir, | |
147 | const wxString& defaultFileName, | |
148 | const wxString& wildCard, | |
149 | long style, const wxPoint& pos, | |
150 | const wxSize& sz, | |
151 | const wxString& name) | |
152 | : wxFileDialogBase() | |
153 | { | |
154 | parent = GetParentForModalDialog(parent); | |
155 | ||
156 | if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName, | |
157 | wildCard, style, pos, sz, name)) | |
158 | { | |
159 | return; | |
160 | } | |
161 | ||
162 | if (!PreCreation(parent, pos, wxDefaultSize) || | |
163 | !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style, | |
164 | wxDefaultValidator, wxT("filedialog"))) | |
165 | { | |
166 | wxFAIL_MSG( wxT("wxFileDialog creation failed") ); | |
167 | return; | |
168 | } | |
169 | ||
170 | GtkFileChooserAction gtk_action; | |
171 | GtkWindow* gtk_parent = NULL; | |
172 | if (parent) | |
173 | gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) ); | |
174 | ||
175 | const gchar* ok_btn_stock; | |
176 | if ( style & wxFD_SAVE ) | |
177 | { | |
178 | gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE; | |
179 | ok_btn_stock = GTK_STOCK_SAVE; | |
180 | } | |
181 | else | |
182 | { | |
183 | gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN; | |
184 | ok_btn_stock = GTK_STOCK_OPEN; | |
185 | } | |
186 | ||
187 | m_widget = gtk_file_chooser_dialog_new( | |
188 | wxGTK_CONV(m_message), | |
189 | gtk_parent, | |
190 | gtk_action, | |
191 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, | |
192 | ok_btn_stock, GTK_RESPONSE_ACCEPT, | |
193 | NULL); | |
194 | ||
195 | m_fc.SetWidget( GTK_FILE_CHOOSER(m_widget) ); | |
196 | ||
197 | gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT); | |
198 | ||
199 | if ( style & wxFD_MULTIPLE ) | |
200 | gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(m_widget), true); | |
201 | ||
202 | // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically | |
203 | // destroys the dialog when the user press ESC on the dialog: in that case | |
204 | // a second call to ShowModal() would result in a bunch of Gtk-CRITICAL | |
205 | // errors... | |
206 | g_signal_connect (G_OBJECT(m_widget), | |
207 | "delete_event", | |
208 | G_CALLBACK (gtk_widget_hide_on_delete), | |
209 | (gpointer)this); | |
210 | ||
211 | // local-only property could be set to false to allow non-local files to be | |
212 | // loaded. In that case get/set_uri(s) should be used instead of | |
213 | // get/set_filename(s) everywhere and the GtkFileChooserDialog should | |
214 | // probably also be created with a backend, e.g "gnome-vfs", "default", ... | |
215 | // (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept | |
216 | // as the default - true: | |
217 | // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true); | |
218 | ||
219 | g_signal_connect (m_widget, "response", | |
220 | G_CALLBACK (gtk_filedialog_response_callback), this); | |
221 | ||
222 | SetWildcard(wildCard); | |
223 | ||
224 | // if defaultDir is specified it should contain the directory and | |
225 | // defaultFileName should contain the default name of the file, however if | |
226 | // directory is not given, defaultFileName contains both | |
227 | wxFileName fn; | |
228 | if ( defaultDir.empty() ) | |
229 | fn.Assign(defaultFileName); | |
230 | else if ( !defaultFileName.empty() ) | |
231 | fn.Assign(defaultDir, defaultFileName); | |
232 | else | |
233 | fn.AssignDir(defaultDir); | |
234 | ||
235 | // set the initial file name and/or directory | |
236 | fn.MakeAbsolute(); // GTK+ needs absolute path | |
237 | const wxString dir = fn.GetPath(); | |
238 | if ( !dir.empty() ) | |
239 | { | |
240 | gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(m_widget), | |
241 | dir.fn_str()); | |
242 | } | |
243 | ||
244 | const wxString fname = fn.GetFullName(); | |
245 | if ( style & wxFD_SAVE ) | |
246 | { | |
247 | if ( !fname.empty() ) | |
248 | { | |
249 | gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), | |
250 | fname.fn_str()); | |
251 | } | |
252 | ||
253 | #if GTK_CHECK_VERSION(2,7,3) | |
254 | if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3)) | |
255 | gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(m_widget), TRUE); | |
256 | #endif | |
257 | } | |
258 | else // wxFD_OPEN | |
259 | { | |
260 | if ( !fname.empty() ) | |
261 | { | |
262 | gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(m_widget), | |
263 | fn.GetFullPath().fn_str()); | |
264 | } | |
265 | } | |
266 | ||
267 | if ( style & wxFD_PREVIEW ) | |
268 | { | |
269 | GtkWidget *previewImage = gtk_image_new(); | |
270 | ||
271 | gtk_file_chooser_set_preview_widget(GTK_FILE_CHOOSER(m_widget), | |
272 | previewImage); | |
273 | g_signal_connect(m_widget, "update-preview", | |
274 | G_CALLBACK(gtk_filedialog_update_preview_callback), | |
275 | previewImage); | |
276 | } | |
277 | } | |
278 | ||
279 | void wxFileDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event)) | |
280 | { | |
281 | EndDialog(wxID_OK); | |
282 | } | |
283 | ||
284 | int wxFileDialog::ShowModal() | |
285 | { | |
286 | return wxDialog::ShowModal(); | |
287 | } | |
288 | ||
289 | bool wxFileDialog::Show( bool show ) | |
290 | { | |
291 | return wxDialog::Show( show ); | |
292 | } | |
293 | ||
294 | void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y), | |
295 | int WXUNUSED(width), int WXUNUSED(height), | |
296 | int WXUNUSED(sizeFlags)) | |
297 | { | |
298 | } | |
299 | ||
300 | wxString wxFileDialog::GetPath() const | |
301 | { | |
302 | return m_fc.GetPath(); | |
303 | } | |
304 | ||
305 | void wxFileDialog::GetFilenames(wxArrayString& files) const | |
306 | { | |
307 | m_fc.GetFilenames( files ); | |
308 | } | |
309 | ||
310 | void wxFileDialog::GetPaths(wxArrayString& paths) const | |
311 | { | |
312 | m_fc.GetPaths( paths ); | |
313 | } | |
314 | ||
315 | void wxFileDialog::SetMessage(const wxString& message) | |
316 | { | |
317 | m_message = message; | |
318 | SetTitle(message); | |
319 | } | |
320 | ||
321 | void wxFileDialog::SetPath(const wxString& path) | |
322 | { | |
323 | m_fc.SetPath( path ); | |
324 | } | |
325 | ||
326 | void wxFileDialog::SetDirectory(const wxString& dir) | |
327 | { | |
328 | m_fc.SetDirectory( dir ); | |
329 | } | |
330 | ||
331 | wxString wxFileDialog::GetDirectory() const | |
332 | { | |
333 | return m_fc.GetDirectory(); | |
334 | } | |
335 | ||
336 | void wxFileDialog::SetFilename(const wxString& name) | |
337 | { | |
338 | if (HasFdFlag(wxFD_SAVE)) | |
339 | gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name)); | |
340 | else | |
341 | SetPath(wxFileName(GetDirectory(), name).GetFullPath()); | |
342 | } | |
343 | ||
344 | wxString wxFileDialog::GetFilename() const | |
345 | { | |
346 | return m_fc.GetFilename(); | |
347 | } | |
348 | ||
349 | void wxFileDialog::SetWildcard(const wxString& wildCard) | |
350 | { | |
351 | m_fc.SetWildcard( wildCard ); | |
352 | } | |
353 | ||
354 | void wxFileDialog::SetFilterIndex(int filterIndex) | |
355 | { | |
356 | ||
357 | m_fc.SetFilterIndex( filterIndex); | |
358 | } | |
359 | ||
360 | int wxFileDialog::GetFilterIndex() const | |
361 | { | |
362 | return m_fc.GetFilterIndex(); | |
363 | } | |
364 | ||
365 | #endif // wxUSE_FILEDLG |