| 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 | { |
| 46 | if ((style & wxFD_SAVE) && (style & wxFD_OVERWRITE_PROMPT)) |
| 47 | { |
| 48 | if ( g_file_test(filename, G_FILE_TEST_EXISTS) ) |
| 49 | { |
| 50 | wxString msg; |
| 51 | |
| 52 | msg.Printf( |
| 53 | _("File '%s' already exists, do you really want to overwrite it?"), |
| 54 | wxString(filename, *wxConvFileName)); |
| 55 | |
| 56 | wxMessageDialog dlg(dialog, msg, _("Confirm"), |
| 57 | wxYES_NO | wxICON_QUESTION); |
| 58 | if (dlg.ShowModal() != wxID_YES) |
| 59 | return; |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | if (style & wxFD_FILE_MUST_EXIST) |
| 65 | { |
| 66 | if ( !g_file_test(filename, G_FILE_TEST_EXISTS) ) |
| 67 | { |
| 68 | wxMessageDialog dlg( dialog, _("Please choose an existing file."), |
| 69 | _("Error"), wxOK| wxICON_ERROR); |
| 70 | dlg.ShowModal(); |
| 71 | return; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | // change to the directory where the user went if asked |
| 76 | if (style & wxFD_CHANGE_DIR) |
| 77 | { |
| 78 | // Use chdir to not care about filename encodings |
| 79 | wxGtkString folder(g_path_get_dirname(filename)); |
| 80 | chdir(folder); |
| 81 | } |
| 82 | |
| 83 | wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK); |
| 84 | event.SetEventObject(dialog); |
| 85 | dialog->HandleWindowEvent(event); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | //----------------------------------------------------------------------------- |
| 90 | // "clicked" for Cancel-button |
| 91 | //----------------------------------------------------------------------------- |
| 92 | |
| 93 | extern "C" |
| 94 | { |
| 95 | |
| 96 | static void |
| 97 | gtk_filedialog_cancel_callback(GtkWidget * WXUNUSED(w), wxFileDialog *dialog) |
| 98 | { |
| 99 | wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL); |
| 100 | event.SetEventObject(dialog); |
| 101 | dialog->HandleWindowEvent(event); |
| 102 | } |
| 103 | |
| 104 | static void gtk_filedialog_response_callback(GtkWidget *w, |
| 105 | gint response, |
| 106 | wxFileDialog *dialog) |
| 107 | { |
| 108 | if (response == GTK_RESPONSE_ACCEPT) |
| 109 | gtk_filedialog_ok_callback(w, dialog); |
| 110 | else // GTK_RESPONSE_CANCEL or GTK_RESPONSE_NONE |
| 111 | gtk_filedialog_cancel_callback(w, dialog); |
| 112 | } |
| 113 | |
| 114 | static void gtk_filedialog_update_preview_callback(GtkFileChooser *chooser, |
| 115 | gpointer user_data) |
| 116 | { |
| 117 | GtkWidget *preview = GTK_WIDGET(user_data); |
| 118 | |
| 119 | wxGtkString filename(gtk_file_chooser_get_preview_filename(chooser)); |
| 120 | |
| 121 | if ( !filename ) |
| 122 | return; |
| 123 | |
| 124 | GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size(filename, 128, 128, NULL); |
| 125 | gboolean have_preview = pixbuf != NULL; |
| 126 | |
| 127 | gtk_image_set_from_pixbuf(GTK_IMAGE(preview), pixbuf); |
| 128 | if ( pixbuf ) |
| 129 | g_object_unref (pixbuf); |
| 130 | |
| 131 | gtk_file_chooser_set_preview_widget_active(chooser, have_preview); |
| 132 | } |
| 133 | |
| 134 | } // extern "C" |
| 135 | |
| 136 | //----------------------------------------------------------------------------- |
| 137 | // "size_request" from m_extraControl |
| 138 | //----------------------------------------------------------------------------- |
| 139 | |
| 140 | extern "C" { |
| 141 | static void extra_widget_size_request(GtkWidget*, GtkRequisition* req, wxWindow* win) |
| 142 | { |
| 143 | // allow dialog to be resized smaller horizontally |
| 144 | req->width = win->GetMinWidth(); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | void wxFileDialog::AddChildGTK(wxWindowGTK* child) |
| 149 | { |
| 150 | g_signal_connect_after(child->m_widget, "size_request", |
| 151 | G_CALLBACK(extra_widget_size_request), child); |
| 152 | gtk_file_chooser_set_extra_widget( |
| 153 | GTK_FILE_CHOOSER(m_widget), child->m_widget); |
| 154 | } |
| 155 | |
| 156 | //----------------------------------------------------------------------------- |
| 157 | // wxFileDialog |
| 158 | //----------------------------------------------------------------------------- |
| 159 | |
| 160 | IMPLEMENT_DYNAMIC_CLASS(wxFileDialog,wxFileDialogBase) |
| 161 | |
| 162 | BEGIN_EVENT_TABLE(wxFileDialog,wxFileDialogBase) |
| 163 | EVT_BUTTON(wxID_OK, wxFileDialog::OnFakeOk) |
| 164 | EVT_SIZE(wxFileDialog::OnSize) |
| 165 | END_EVENT_TABLE() |
| 166 | |
| 167 | wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message, |
| 168 | const wxString& defaultDir, |
| 169 | const wxString& defaultFileName, |
| 170 | const wxString& wildCard, |
| 171 | long style, const wxPoint& pos, |
| 172 | const wxSize& sz, |
| 173 | const wxString& name) |
| 174 | : wxFileDialogBase() |
| 175 | { |
| 176 | parent = GetParentForModalDialog(parent); |
| 177 | |
| 178 | if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName, |
| 179 | wildCard, style, pos, sz, name)) |
| 180 | { |
| 181 | return; |
| 182 | } |
| 183 | |
| 184 | if (!PreCreation(parent, pos, wxDefaultSize) || |
| 185 | !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style, |
| 186 | wxDefaultValidator, wxT("filedialog"))) |
| 187 | { |
| 188 | wxFAIL_MSG( wxT("wxFileDialog creation failed") ); |
| 189 | return; |
| 190 | } |
| 191 | |
| 192 | GtkFileChooserAction gtk_action; |
| 193 | GtkWindow* gtk_parent = NULL; |
| 194 | if (parent) |
| 195 | gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) ); |
| 196 | |
| 197 | const gchar* ok_btn_stock; |
| 198 | if ( style & wxFD_SAVE ) |
| 199 | { |
| 200 | gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE; |
| 201 | ok_btn_stock = GTK_STOCK_SAVE; |
| 202 | } |
| 203 | else |
| 204 | { |
| 205 | gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN; |
| 206 | ok_btn_stock = GTK_STOCK_OPEN; |
| 207 | } |
| 208 | |
| 209 | m_widget = gtk_file_chooser_dialog_new( |
| 210 | wxGTK_CONV(m_message), |
| 211 | gtk_parent, |
| 212 | gtk_action, |
| 213 | GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, |
| 214 | ok_btn_stock, GTK_RESPONSE_ACCEPT, |
| 215 | NULL); |
| 216 | g_object_ref(m_widget); |
| 217 | GtkFileChooser* file_chooser = GTK_FILE_CHOOSER(m_widget); |
| 218 | |
| 219 | m_fc.SetWidget(file_chooser); |
| 220 | |
| 221 | gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT); |
| 222 | |
| 223 | if ( style & wxFD_MULTIPLE ) |
| 224 | gtk_file_chooser_set_select_multiple(file_chooser, true); |
| 225 | |
| 226 | // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically |
| 227 | // destroys the dialog when the user press ESC on the dialog: in that case |
| 228 | // a second call to ShowModal() would result in a bunch of Gtk-CRITICAL |
| 229 | // errors... |
| 230 | g_signal_connect(m_widget, |
| 231 | "delete_event", |
| 232 | G_CALLBACK (gtk_widget_hide_on_delete), |
| 233 | this); |
| 234 | |
| 235 | // local-only property could be set to false to allow non-local files to be |
| 236 | // loaded. In that case get/set_uri(s) should be used instead of |
| 237 | // get/set_filename(s) everywhere and the GtkFileChooserDialog should |
| 238 | // probably also be created with a backend, e.g "gnome-vfs", "default", ... |
| 239 | // (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept |
| 240 | // as the default - true: |
| 241 | // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true); |
| 242 | |
| 243 | g_signal_connect (m_widget, "response", |
| 244 | G_CALLBACK (gtk_filedialog_response_callback), this); |
| 245 | |
| 246 | SetWildcard(wildCard); |
| 247 | |
| 248 | // if defaultDir is specified it should contain the directory and |
| 249 | // defaultFileName should contain the default name of the file, however if |
| 250 | // directory is not given, defaultFileName contains both |
| 251 | wxFileName fn; |
| 252 | if ( defaultDir.empty() ) |
| 253 | fn.Assign(defaultFileName); |
| 254 | else if ( !defaultFileName.empty() ) |
| 255 | fn.Assign(defaultDir, defaultFileName); |
| 256 | else |
| 257 | fn.AssignDir(defaultDir); |
| 258 | |
| 259 | // set the initial file name and/or directory |
| 260 | fn.MakeAbsolute(); // GTK+ needs absolute path |
| 261 | const wxString dir = fn.GetPath(); |
| 262 | if ( !dir.empty() ) |
| 263 | { |
| 264 | gtk_file_chooser_set_current_folder(file_chooser, dir.fn_str()); |
| 265 | } |
| 266 | |
| 267 | const wxString fname = fn.GetFullName(); |
| 268 | if ( style & wxFD_SAVE ) |
| 269 | { |
| 270 | if ( !fname.empty() ) |
| 271 | { |
| 272 | gtk_file_chooser_set_current_name(file_chooser, fname.fn_str()); |
| 273 | } |
| 274 | |
| 275 | #if GTK_CHECK_VERSION(2,7,3) |
| 276 | if ((style & wxFD_OVERWRITE_PROMPT) && !gtk_check_version(2,7,3)) |
| 277 | gtk_file_chooser_set_do_overwrite_confirmation(file_chooser, true); |
| 278 | #endif |
| 279 | } |
| 280 | else // wxFD_OPEN |
| 281 | { |
| 282 | if ( !fname.empty() ) |
| 283 | { |
| 284 | gtk_file_chooser_set_filename(file_chooser, |
| 285 | fn.GetFullPath().fn_str()); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | if ( style & wxFD_PREVIEW ) |
| 290 | { |
| 291 | GtkWidget *previewImage = gtk_image_new(); |
| 292 | |
| 293 | gtk_file_chooser_set_preview_widget(file_chooser, previewImage); |
| 294 | g_signal_connect(m_widget, "update-preview", |
| 295 | G_CALLBACK(gtk_filedialog_update_preview_callback), |
| 296 | previewImage); |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | wxFileDialog::~wxFileDialog() |
| 301 | { |
| 302 | if (m_extraControl) |
| 303 | { |
| 304 | // get chooser to drop its reference right now, allowing wxWindow dtor |
| 305 | // to verify that ref count drops to zero |
| 306 | gtk_file_chooser_set_extra_widget( |
| 307 | GTK_FILE_CHOOSER(m_widget), NULL); |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | void wxFileDialog::OnFakeOk(wxCommandEvent& WXUNUSED(event)) |
| 312 | { |
| 313 | EndDialog(wxID_OK); |
| 314 | } |
| 315 | |
| 316 | int wxFileDialog::ShowModal() |
| 317 | { |
| 318 | CreateExtraControl(); |
| 319 | |
| 320 | return wxDialog::ShowModal(); |
| 321 | } |
| 322 | |
| 323 | void wxFileDialog::DoSetSize(int WXUNUSED(x), int WXUNUSED(y), |
| 324 | int WXUNUSED(width), int WXUNUSED(height), |
| 325 | int WXUNUSED(sizeFlags)) |
| 326 | { |
| 327 | } |
| 328 | |
| 329 | void wxFileDialog::OnSize(wxSizeEvent&) |
| 330 | { |
| 331 | // avoid calling DoLayout(), which will set the (wrong) size of |
| 332 | // m_extraControl, its size is managed by GtkFileChooser |
| 333 | } |
| 334 | |
| 335 | wxString wxFileDialog::GetPath() const |
| 336 | { |
| 337 | wxFileName fn = m_fc.GetPath(); |
| 338 | |
| 339 | if (HasFdFlag(wxFD_SAVE)) |
| 340 | { |
| 341 | // add extension |
| 342 | if (!fn.HasExt()) |
| 343 | { |
| 344 | wxFileName wildcard( "/dummy", m_fc.GetCurrentWildCard() ); |
| 345 | wxString ext = wildcard.GetExt(); |
| 346 | if (!ext.empty() && (ext.Find('?') == wxNOT_FOUND) && (ext.Find('*') == wxNOT_FOUND)) |
| 347 | fn.SetExt( ext ); |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | return fn.GetFullPath(); |
| 352 | } |
| 353 | |
| 354 | void wxFileDialog::GetFilenames(wxArrayString& files) const |
| 355 | { |
| 356 | m_fc.GetFilenames( files ); |
| 357 | } |
| 358 | |
| 359 | void wxFileDialog::GetPaths(wxArrayString& paths) const |
| 360 | { |
| 361 | m_fc.GetPaths( paths ); |
| 362 | } |
| 363 | |
| 364 | void wxFileDialog::SetMessage(const wxString& message) |
| 365 | { |
| 366 | m_message = message; |
| 367 | SetTitle(message); |
| 368 | } |
| 369 | |
| 370 | void wxFileDialog::SetPath(const wxString& path) |
| 371 | { |
| 372 | m_fc.SetPath( path ); |
| 373 | } |
| 374 | |
| 375 | void wxFileDialog::SetDirectory(const wxString& dir) |
| 376 | { |
| 377 | m_fc.SetDirectory( dir ); |
| 378 | } |
| 379 | |
| 380 | wxString wxFileDialog::GetDirectory() const |
| 381 | { |
| 382 | return m_fc.GetDirectory(); |
| 383 | } |
| 384 | |
| 385 | void wxFileDialog::SetFilename(const wxString& name) |
| 386 | { |
| 387 | if (HasFdFlag(wxFD_SAVE)) |
| 388 | gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(m_widget), wxGTK_CONV(name)); |
| 389 | else |
| 390 | SetPath(wxFileName(GetDirectory(), name).GetFullPath()); |
| 391 | } |
| 392 | |
| 393 | wxString wxFileDialog::GetFilename() const |
| 394 | { |
| 395 | return m_fc.GetFilename(); |
| 396 | } |
| 397 | |
| 398 | void wxFileDialog::SetWildcard(const wxString& wildCard) |
| 399 | { |
| 400 | m_fc.SetWildcard( wildCard ); |
| 401 | } |
| 402 | |
| 403 | void wxFileDialog::SetFilterIndex(int filterIndex) |
| 404 | { |
| 405 | |
| 406 | m_fc.SetFilterIndex( filterIndex); |
| 407 | } |
| 408 | |
| 409 | int wxFileDialog::GetFilterIndex() const |
| 410 | { |
| 411 | return m_fc.GetFilterIndex(); |
| 412 | } |
| 413 | |
| 414 | #endif // wxUSE_FILEDLG |