Introduce a native file dialog for GTK+ 2.x
Change-Id: I3cb29218a54b9120c2ab6e2e32b810a111a7bf3d Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com> Reviewed-by: Jens Bache-Wiig <jens.bache-wiig@digia.com> Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
This commit is contained in:
J-P Nurmi
The Qt Project
parent
e88011357e
commit
468d010fdf
@ -233,6 +233,245 @@ void QGtk2ColorDialogHelper::applyOptions()
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gtk_widget_hide(helpButton);
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}
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QGtk2FileDialogHelper::QGtk2FileDialogHelper()
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{
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d.reset(new QGtk2Dialog(gtk_file_chooser_dialog_new("", 0,
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GTK_FILE_CHOOSER_ACTION_OPEN,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GTK_STOCK_OK, GTK_RESPONSE_OK, NULL)));
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connect(d.data(), SIGNAL(accept()), this, SLOT(onAccepted()));
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connect(d.data(), SIGNAL(reject()), this, SIGNAL(reject()));
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g_signal_connect(GTK_FILE_CHOOSER(d->gtkDialog()), "selection-changed", G_CALLBACK(onSelectionChanged), this);
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g_signal_connect_swapped(GTK_FILE_CHOOSER(d->gtkDialog()), "current-folder-changed", G_CALLBACK(onCurrentFolderChanged), this);
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}
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QGtk2FileDialogHelper::~QGtk2FileDialogHelper()
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{
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}
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bool QGtk2FileDialogHelper::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent)
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{
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_dir.clear();
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_selection.clear();
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applyOptions();
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return d->show(flags, modality, parent);
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}
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void QGtk2FileDialogHelper::exec()
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{
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d->exec();
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}
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void QGtk2FileDialogHelper::hide()
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{
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// After GtkFileChooserDialog has been hidden, gtk_file_chooser_get_current_folder()
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// & gtk_file_chooser_get_filenames() will return bogus values -> cache the actual
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// values before hiding the dialog
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_dir = directory();
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_selection = selectedFiles();
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d->hide();
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}
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bool QGtk2FileDialogHelper::defaultNameFilterDisables() const
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{
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return false;
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}
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void QGtk2FileDialogHelper::setDirectory(const QString &directory)
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{
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GtkDialog *gtkDialog = d->gtkDialog();
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gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(gtkDialog), directory.toUtf8());
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}
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QString QGtk2FileDialogHelper::directory() const
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{
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// While GtkFileChooserDialog is hidden, gtk_file_chooser_get_current_folder()
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// returns a bogus value -> return the cached value before hiding
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if (!_dir.isEmpty())
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return _dir;
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QString ret;
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GtkDialog *gtkDialog = d->gtkDialog();
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gchar *folder = gtk_file_chooser_get_current_folder(GTK_FILE_CHOOSER(gtkDialog));
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if (folder) {
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ret = QString::fromUtf8(folder);
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g_free(folder);
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}
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return ret;
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}
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void QGtk2FileDialogHelper::selectFile(const QString &filename)
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{
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GtkDialog *gtkDialog = d->gtkDialog();
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gtk_file_chooser_select_filename(GTK_FILE_CHOOSER(gtkDialog), filename.toUtf8());
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}
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QStringList QGtk2FileDialogHelper::selectedFiles() const
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{
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// While GtkFileChooserDialog is hidden, gtk_file_chooser_get_filenames()
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// returns a bogus value -> return the cached value before hiding
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if (!_selection.isEmpty())
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return _selection;
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QStringList selection;
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GtkDialog *gtkDialog = d->gtkDialog();
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GSList *filenames = gtk_file_chooser_get_filenames(GTK_FILE_CHOOSER(gtkDialog));
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for (GSList *it = filenames; it; it = it->next)
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selection += QString::fromUtf8((const char*)it->data);
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g_slist_free(filenames);
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return selection;
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}
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void QGtk2FileDialogHelper::setFilter()
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{
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applyOptions();
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}
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void QGtk2FileDialogHelper::selectNameFilter(const QString &filter)
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{
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GtkFileFilter *gtkFilter = _filters.value(filter);
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if (gtkFilter) {
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GtkDialog *gtkDialog = d->gtkDialog();
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gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(gtkDialog), gtkFilter);
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}
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}
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QString QGtk2FileDialogHelper::selectedNameFilter() const
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{
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GtkDialog *gtkDialog = d->gtkDialog();
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GtkFileFilter *gtkFilter = gtk_file_chooser_get_filter(GTK_FILE_CHOOSER(gtkDialog));
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return _filterNames.value(gtkFilter);
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}
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void QGtk2FileDialogHelper::onAccepted()
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{
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emit accept();
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QString filter = selectedNameFilter();
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if (filter.isEmpty())
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emit filterSelected(filter);
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QStringList files = selectedFiles();
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emit filesSelected(files);
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if (files.count() == 1)
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emit fileSelected(files.first());
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}
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void QGtk2FileDialogHelper::onSelectionChanged(GtkDialog *gtkDialog, QGtk2FileDialogHelper *helper)
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{
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QString selection;
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gchar *filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(gtkDialog));
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if (filename) {
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selection = QString::fromUtf8(filename);
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g_free(filename);
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}
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emit helper->currentChanged(selection);
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}
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void QGtk2FileDialogHelper::onCurrentFolderChanged(QGtk2FileDialogHelper *dialog)
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{
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emit dialog->directoryEntered(dialog->directory());
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}
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static GtkFileChooserAction gtkFileChooserAction(const QSharedPointer<QFileDialogOptions> &options)
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{
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switch (options->fileMode()) {
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case QFileDialogOptions::AnyFile:
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case QFileDialogOptions::ExistingFile:
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case QFileDialogOptions::ExistingFiles:
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if (options->acceptMode() == QFileDialogOptions::AcceptOpen)
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return GTK_FILE_CHOOSER_ACTION_OPEN;
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else
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return GTK_FILE_CHOOSER_ACTION_SAVE;
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case QFileDialogOptions::Directory:
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case QFileDialogOptions::DirectoryOnly:
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default:
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if (options->acceptMode() == QFileDialogOptions::AcceptOpen)
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return GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
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else
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return GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER;
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}
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}
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void QGtk2FileDialogHelper::applyOptions()
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{
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GtkDialog *gtkDialog = d->gtkDialog();
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const QSharedPointer<QFileDialogOptions> &opts = options();
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gtk_window_set_title(GTK_WINDOW(gtkDialog), opts->windowTitle().toUtf8());
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gtk_file_chooser_set_local_only(GTK_FILE_CHOOSER(gtkDialog), true);
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const GtkFileChooserAction action = gtkFileChooserAction(opts);
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gtk_file_chooser_set_action(GTK_FILE_CHOOSER(gtkDialog), action);
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const bool selectMultiple = opts->fileMode() == QFileDialogOptions::ExistingFiles;
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gtk_file_chooser_set_select_multiple(GTK_FILE_CHOOSER(gtkDialog), selectMultiple);
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const bool confirmOverwrite = !opts->testOption(QFileDialogOptions::DontConfirmOverwrite);
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gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(gtkDialog), confirmOverwrite);
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const QStringList nameFilters = opts->nameFilters();
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if (!nameFilters.isEmpty())
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setNameFilters(nameFilters);
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const QString initialDirectory = opts->initialDirectory();
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if (!initialDirectory.isEmpty())
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setDirectory(initialDirectory);
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foreach (const QString &filename, opts->initiallySelectedFiles())
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selectFile(filename);
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const QString initialNameFilter = opts->initiallySelectedNameFilter();
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if (!initialNameFilter.isEmpty())
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selectNameFilter(initialNameFilter);
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GtkWidget *acceptButton = gtk_dialog_get_widget_for_response(gtkDialog, GTK_RESPONSE_OK);
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if (acceptButton) {
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if (opts->isLabelExplicitlySet(QFileDialogOptions::Accept))
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gtk_button_set_label(GTK_BUTTON(acceptButton), opts->labelText(QFileDialogOptions::Accept).toUtf8());
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else if (opts->acceptMode() == QFileDialogOptions::AcceptOpen)
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gtk_button_set_label(GTK_BUTTON(acceptButton), GTK_STOCK_OPEN);
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else
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gtk_button_set_label(GTK_BUTTON(acceptButton), GTK_STOCK_SAVE);
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}
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GtkWidget *rejectButton = gtk_dialog_get_widget_for_response(gtkDialog, GTK_RESPONSE_CANCEL);
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if (rejectButton) {
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if (opts->isLabelExplicitlySet(QFileDialogOptions::Reject))
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gtk_button_set_label(GTK_BUTTON(rejectButton), opts->labelText(QFileDialogOptions::Reject).toUtf8());
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else
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gtk_button_set_label(GTK_BUTTON(rejectButton), GTK_STOCK_CANCEL);
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}
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}
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void QGtk2FileDialogHelper::setNameFilters(const QStringList& filters)
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{
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GtkDialog *gtkDialog = d->gtkDialog();
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foreach (GtkFileFilter *filter, _filters)
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gtk_file_chooser_remove_filter(GTK_FILE_CHOOSER(gtkDialog), filter);
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_filters.clear();
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_filterNames.clear();
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foreach (const QString &filter, filters) {
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GtkFileFilter *gtkFilter = gtk_file_filter_new();
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const QString name = filter.left(filter.indexOf(QLatin1Char('(')));
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const QStringList extensions = cleanFilterList(filter);
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gtk_file_filter_set_name(gtkFilter, name.isEmpty() ? extensions.join(QStringLiteral(", ")).toUtf8() : name.toUtf8());
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foreach (const QString &ext, extensions)
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gtk_file_filter_add_pattern(gtkFilter, ext.toUtf8());
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gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(gtkDialog), gtkFilter);
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_filters.insert(filter, gtkFilter);
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_filterNames.insert(gtkFilter, filter);
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}
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}
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QT_END_NAMESPACE
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#include "qgtk2dialoghelpers.moc"
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@ -45,6 +45,9 @@
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#include <QtCore/qscopedpointer.h>
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#include <qpa/qplatformdialoghelper.h>
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typedef struct _GtkDialog GtkDialog;
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typedef struct _GtkFileFilter GtkFileFilter;
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QT_BEGIN_NAMESPACE
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class QGtk2Dialog;
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@ -74,6 +77,43 @@ private:
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mutable QScopedPointer<QGtk2Dialog> d;
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};
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class QGtk2FileDialogHelper : public QPlatformFileDialogHelper
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{
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Q_OBJECT
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public:
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QGtk2FileDialogHelper();
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~QGtk2FileDialogHelper();
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virtual bool show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent);
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virtual void exec();
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virtual void hide();
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virtual bool defaultNameFilterDisables() const;
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virtual void setDirectory(const QString &directory);
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virtual QString directory() const;
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virtual void selectFile(const QString &filename);
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virtual QStringList selectedFiles() const;
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virtual void setFilter();
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virtual void selectNameFilter(const QString &filter);
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virtual QString selectedNameFilter() const;
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private Q_SLOTS:
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void onAccepted();
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private:
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static void onSelectionChanged(GtkDialog *dialog, QGtk2FileDialogHelper *helper);
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static void onCurrentFolderChanged(QGtk2FileDialogHelper *helper);
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void applyOptions();
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void setNameFilters(const QStringList &filters);
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QString _dir;
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QStringList _selection;
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QHash<QString, GtkFileFilter*> _filters;
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QHash<GtkFileFilter*, QString> _filterNames;
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mutable QScopedPointer<QGtk2Dialog> d;
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};
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QT_END_NAMESPACE
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#endif // QGTK2DIALOGHELPERS_P_H
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@ -56,7 +56,7 @@ QGtk2Theme::QGtk2Theme()
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bool QGtk2Theme::usePlatformNativeDialog(DialogType type) const
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{
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return type == ColorDialog;
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return type == ColorDialog || type == FileDialog;
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}
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QPlatformDialogHelper *QGtk2Theme::createPlatformDialogHelper(DialogType type) const
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@ -64,6 +64,8 @@ QPlatformDialogHelper *QGtk2Theme::createPlatformDialogHelper(DialogType type) c
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switch (type) {
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case ColorDialog:
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return new QGtk2ColorDialogHelper;
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case FileDialog:
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return new QGtk2FileDialogHelper;
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default:
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return 0;
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}
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