--- /dev/null
+/* field_filter_edit.cpp
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+
+#include <glib.h>
+
+#include <epan/dfilter/dfilter.h>
+
+#include <filter_files.h>
+
+#include <wsutil/utf8_entities.h>
+
+#include "field_filter_edit.h"
+#include "filter_dialog.h"
+#include "stock_icon_tool_button.h"
+#include "syntax_line_edit.h"
+
+#include <QAction>
+#include <QAbstractItemView>
+#include <QComboBox>
+#include <QCompleter>
+#include <QEvent>
+#include <QMenu>
+#include <QMessageBox>
+#include <QPainter>
+#include <QStringListModel>
+
+#include <wsutil/utf8_entities.h>
+
+// To do:
+// - Get rid of shortcuts and replace them with "n most recently applied filters"?
+// - We need simplified (button- and dropdown-free) versions for use in dialogs and field-only checking.
+// - Add a separator or otherwise distinguish between recent items and fields
+// in the completion dropdown.
+
+
+#ifdef __APPLE__
+#define DEFAULT_MODIFIER UTF8_PLACE_OF_INTEREST_SIGN
+#else
+#define DEFAULT_MODIFIER "Ctrl-"
+#endif
+
+// proto.c:fld_abbrev_chars
+static const QString fld_abbrev_chars_ = "-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz";
+
+FieldFilterEdit::FieldFilterEdit(QWidget *parent) :
+ SyntaxLineEdit(parent),
+ save_action_(NULL),
+ remove_action_(NULL)
+{
+ setAccessibleName(tr("Display filter entry"));
+
+ completion_model_ = new QStringListModel(this);
+ setCompleter(new QCompleter(completion_model_, this));
+ setCompletionTokenChars(fld_abbrev_chars_);
+
+ setDefaultPlaceholderText();
+
+ // DFCombo
+ // Bookmark
+ // DisplayFilterEdit
+ // Clear button
+ // Apply (right arrow)
+ // Combo drop-down
+
+ connect(this, SIGNAL(textChanged(const QString&)), this, SLOT(checkFilter(const QString&)));
+// connect(this, SIGNAL(returnPressed()), this, SLOT(applyDisplayFilter()));
+}
+
+void FieldFilterEdit::setDefaultPlaceholderText()
+{
+ placeholder_text_ = QString(tr("Enter a field %1")).arg(UTF8_HORIZONTAL_ELLIPSIS);
+
+#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0)
+ setPlaceholderText(placeholder_text_);
+#endif
+}
+
+void FieldFilterEdit::paintEvent(QPaintEvent *evt) {
+ SyntaxLineEdit::paintEvent(evt);
+
+
+#if QT_VERSION < QT_VERSION_CHECK(4, 7, 0)
+ // http://wiki.forum.nokia.com/index.php/Custom_QLineEdit
+ if (text().isEmpty() && ! this->hasFocus()) {
+ QPainter p(this);
+ QFont f = font();
+ f.setItalic(true);
+ p.setFont(f);
+
+ QColor color(palette().color(foregroundRole()));
+ color.setAlphaF(0.5);
+ p.setPen(color);
+
+ QStyleOptionFrame opt;
+ initStyleOption(&opt);
+ QRect cr = style()->subElementRect(QStyle::SE_LineEditContents, &opt, this);
+ cr.setLeft(cr.left() + 2);
+ cr.setRight(cr.right() - 2);
+
+ p.drawText(cr, Qt::AlignLeft|Qt::AlignVCenter, placeholder_text_);
+ }
+ // else check filter syntax and set the background accordingly
+ // XXX - Should we add little warning/error icons as well?
+#endif // QT < 4.7
+}
+
+void FieldFilterEdit::focusOutEvent(QFocusEvent *event)
+{
+ if (syntaxState() == Valid)
+ emit popFilterSyntaxStatus();
+ SyntaxLineEdit::focusOutEvent(event);
+}
+
+bool FieldFilterEdit::checkFilter()
+{
+ checkFilter(text());
+
+ return syntaxState() != Invalid;
+}
+
+void FieldFilterEdit::checkFilter(const QString& filter_text)
+{
+ popFilterSyntaxStatus();
+ checkDisplayFilter(filter_text);
+
+ switch (syntaxState()) {
+ case Deprecated:
+ {
+ emit pushFilterSyntaxWarning(syntaxErrorMessage());
+ break;
+ }
+ case Invalid:
+ {
+ QString invalidMsg(tr("Invalid filter: "));
+ invalidMsg.append(syntaxErrorMessage());
+ emit pushFilterSyntaxStatus(invalidMsg);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+// GTK+ behavior:
+// - Operates on words (proto.c:fld_abbrev_chars).
+// - Popup appears when you enter or remove text.
+
+// Our behavior:
+// - Operates on words (fld_abbrev_chars_).
+// - Popup appears when you enter or remove text.
+// - Popup appears when you move the cursor.
+// - Popup does not appear when text is selected.
+// - Recent and saved display filters in popup when editing first word.
+
+// ui/gtk/filter_autocomplete.c:build_autocompletion_list
+void FieldFilterEdit::buildCompletionList(const QString &field_word)
+{
+ // Push a hint about the current field.
+ if (syntaxState() == Valid) {
+ emit popFilterSyntaxStatus();
+
+ header_field_info *hfinfo = proto_registrar_get_byname(field_word.toUtf8().constData());
+ if (hfinfo) {
+ QString cursor_field_msg = QString("%1: %2")
+ .arg(hfinfo->name)
+ .arg(ftype_pretty_name(hfinfo->type));
+ emit pushFilterSyntaxStatus(cursor_field_msg);
+ }
+ }
+
+ if (field_word.length() < 1) {
+ completion_model_->setStringList(QStringList());
+ return;
+ }
+
+ void *proto_cookie;
+ QStringList field_list;
+ int field_dots = field_word.count('.'); // Some protocol names (_ws.expert) contain periods.
+ for (int proto_id = proto_get_first_protocol(&proto_cookie); proto_id != -1; proto_id = proto_get_next_protocol(&proto_cookie)) {
+ protocol_t *protocol = find_protocol_by_id(proto_id);
+ if (!proto_is_protocol_enabled(protocol)) continue;
+
+ // Don't complete the current word.
+ const QString pfname = proto_get_protocol_filter_name(proto_id);
+ if (field_word.compare(pfname)) field_list << pfname;
+
+ // Add fields only if we're past the protocol name and only for the
+ // current protocol.
+ if (field_dots > pfname.count('.')) {
+ void *field_cookie;
+ const QByteArray fw_ba = field_word.toUtf8(); // or toLatin1 or toStdString?
+ const char *fw_utf8 = fw_ba.constData();
+ gsize fw_len = (gsize) strlen(fw_utf8);
+ for (header_field_info *hfinfo = proto_get_first_protocol_field(proto_id, &field_cookie); hfinfo; hfinfo = proto_get_next_protocol_field(proto_id, &field_cookie)) {
+ if (hfinfo->same_name_prev_id != -1) continue; // Ignore duplicate names.
+
+ if (!g_ascii_strncasecmp(fw_utf8, hfinfo->abbrev, fw_len)) {
+ if ((gsize) strlen(hfinfo->abbrev) != fw_len) field_list << hfinfo->abbrev;
+ }
+ }
+ }
+ }
+ field_list.sort();
+
+ completion_model_->setStringList(field_list);
+ completer()->setCompletionPrefix(field_word);
+}
+
+void FieldFilterEdit::clearFilter()
+{
+ clear();
+ QString new_filter;
+ emit filterPackets(new_filter, true);
+}
+
+void FieldFilterEdit::applyDisplayFilter()
+{
+ if (syntaxState() == Invalid) {
+ return;
+ }
+
+ QString new_filter = text();
+ emit filterPackets(new_filter, true);
+}
+
+void FieldFilterEdit::changeEvent(QEvent* event)
+{
+ if (0 != event)
+ {
+ switch (event->type())
+ {
+ case QEvent::LanguageChange:
+ setDefaultPlaceholderText();
+ break;
+ default:
+ break;
+ }
+ }
+ SyntaxLineEdit::changeEvent(event);
+}
+
+void FieldFilterEdit::showFilters()
+{
+ FilterDialog display_filter_dlg(window(), FilterDialog::DisplayFilter);
+ display_filter_dlg.exec();
+}
+
+void FieldFilterEdit::prepareFilter()
+{
+ QAction *pa = qobject_cast<QAction*>(sender());
+ if (!pa || pa->data().toString().isEmpty()) return;
+
+ setText(pa->data().toString());
+}
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
--- /dev/null
+/* display_filter_edit.h
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef FIELDFILTEREDIT_H
+#define FIELDFILTEREDIT_H
+
+#include "syntax_line_edit.h"
+
+class QEvent;
+class StockIconToolButton;
+
+class FieldFilterEdit : public SyntaxLineEdit
+{
+ Q_OBJECT
+public:
+ explicit FieldFilterEdit(QWidget *parent = 0);
+
+protected:
+ void paintEvent(QPaintEvent *evt);
+ void keyPressEvent(QKeyEvent *event) { completionKeyPressEvent(event); }
+ void focusInEvent(QFocusEvent *event) { completionFocusInEvent(event); }
+ void focusOutEvent(QFocusEvent *event);
+
+public slots:
+ bool checkFilter();
+ void applyDisplayFilter();
+
+private slots:
+ void checkFilter(const QString &filter_text);
+ void clearFilter();
+ void changeEvent(QEvent* event);
+
+ void showFilters();
+ void prepareFilter();
+
+private:
+ QString placeholder_text_;
+ QAction *save_action_;
+ QAction *remove_action_;
+
+ void setDefaultPlaceholderText();
+ void buildCompletionList(const QString& field_word);
+
+signals:
+ void pushFilterSyntaxStatus(const QString&);
+ void popFilterSyntaxStatus();
+ void pushFilterSyntaxWarning(const QString&);
+ void filterPackets(QString new_filter, bool force);
+};
+
+#endif // FIELDFILTEREDIT_H
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
git.samba.org / gd / wireshark / .git / commitdiff