bool wxFileDialog::Create(wxWindow *parent, const wxString& message, const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard, long style, const wxPoint& pos, const wxSize& sz, const wxString& name) { parent = GetParentForModalDialog(parent, style); if (!wxFileDialogBase::Create(parent, message, defaultDir, defaultFileName, wildCard, style, pos, sz, name)) { return false; } if (!PreCreation(parent, pos, wxDefaultSize) || !CreateBase(parent, wxID_ANY, pos, wxDefaultSize, style, wxDefaultValidator, wxT("filedialog"))) { wxFAIL_MSG( wxT("wxFileDialog creation failed") ); return false; } GtkFileChooserAction gtk_action; GtkWindow* gtk_parent = NULL; if (parent) gtk_parent = GTK_WINDOW( gtk_widget_get_toplevel(parent->m_widget) ); const gchar* ok_btn_stock; if ( style & wxFD_SAVE ) { gtk_action = GTK_FILE_CHOOSER_ACTION_SAVE; ok_btn_stock = GTK_STOCK_SAVE; } else { gtk_action = GTK_FILE_CHOOSER_ACTION_OPEN; ok_btn_stock = GTK_STOCK_OPEN; } m_widget = gtk_file_chooser_dialog_new( wxGTK_CONV(m_message), gtk_parent, gtk_action, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, ok_btn_stock, GTK_RESPONSE_ACCEPT, NULL); g_object_ref(m_widget); GtkFileChooser* file_chooser = GTK_FILE_CHOOSER(m_widget); m_fc.SetWidget(file_chooser); gtk_dialog_set_default_response(GTK_DIALOG(m_widget), GTK_RESPONSE_ACCEPT); if ( style & wxFD_MULTIPLE ) gtk_file_chooser_set_select_multiple(file_chooser, true); // gtk_widget_hide_on_delete is used here to avoid that Gtk automatically // destroys the dialog when the user press ESC on the dialog: in that case // a second call to ShowModal() would result in a bunch of Gtk-CRITICAL // errors... g_signal_connect(m_widget, "delete_event", G_CALLBACK (gtk_widget_hide_on_delete), this); // local-only property could be set to false to allow non-local files to be // loaded. In that case get/set_uri(s) should be used instead of // get/set_filename(s) everywhere and the GtkFileChooserDialog should // probably also be created with a backend, e.g. "gnome-vfs", "default", ... // (gtk_file_chooser_dialog_new_with_backend). Currently local-only is kept // as the default - true: // gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(m_widget), true); g_signal_connect (m_widget, "response", G_CALLBACK (gtk_filedialog_response_callback), this); g_signal_connect (m_widget, "selection-changed", G_CALLBACK (gtk_filedialog_selchanged_callback), this); // deal with extensions/filters SetWildcard(wildCard); wxString defaultFileNameWithExt = defaultFileName; if ( !wildCard.empty() && !defaultFileName.empty() && !wxFileName(defaultFileName).HasExt() ) { // append the default extension, if any, to the initial file name: GTK // won't do it for us by default (unlike e.g. MSW) const wxFileName fnWC(m_fc.GetCurrentWildCard()); if ( fnWC.HasExt() ) { // Notice that we shouldn't append the extension if it's a wildcard // because this is not useful: the user would need to change it to use // some fixed extension anyhow. const wxString& ext = fnWC.GetExt(); if ( ext.find_first_of("?*") == wxString::npos ) defaultFileNameWithExt << "." << ext; } } // if defaultDir is specified it should contain the directory and // defaultFileName should contain the default name of the file, however if // directory is not given, defaultFileName contains both wxFileName fn; if ( defaultDir.empty() ) fn.Assign(defaultFileNameWithExt); else if ( !defaultFileNameWithExt.empty() ) fn.Assign(defaultDir, defaultFileNameWithExt); else fn.AssignDir(defaultDir); // set the initial file name and/or directory fn.MakeAbsolute(); // GTK+ needs absolute path const wxString dir = fn.GetPath(); if ( !dir.empty() ) { gtk_file_chooser_set_current_folder(file_chooser, wxGTK_CONV_FN(dir)); } const wxString fname = fn.GetFullName(); if ( style & wxFD_SAVE ) { if ( !fname.empty() ) { gtk_file_chooser_set_current_name(file_chooser, wxGTK_CONV_FN(fname)); } #if GTK_CHECK_VERSION(2,7,3) if ((style & wxFD_OVERWRITE_PROMPT) #ifndef __WXGTK3__ && gtk_check_version(2,7,3) == NULL #endif ) { gtk_file_chooser_set_do_overwrite_confirmation(file_chooser, true); } #endif } else // wxFD_OPEN { if ( !fname.empty() ) { gtk_file_chooser_set_filename(file_chooser, wxGTK_CONV_FN(fn.GetFullPath())); } } if ( style & wxFD_PREVIEW ) { GtkWidget *previewImage = gtk_image_new(); gtk_file_chooser_set_preview_widget(file_chooser, previewImage); g_signal_connect(m_widget, "update-preview", G_CALLBACK(gtk_filedialog_update_preview_callback), previewImage); } return true; }