134 lines
4.1 KiB
C++
134 lines
4.1 KiB
C++
/* capture_filter_combo.cpp
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <stdio.h>
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#include <ui/qt/utils/qt_ui_utils.h>
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#include "ui/recent_utils.h"
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#include "ui/recent.h"
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#include <epan/prefs.h>
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#include <ui/qt/widgets/capture_filter_combo.h>
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#include <ui/qt/utils/color_utils.h>
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#include "main_application.h"
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CaptureFilterCombo::CaptureFilterCombo(QWidget *parent, bool plain) :
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QComboBox(parent),
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cf_edit_(NULL)
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{
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cf_edit_ = new CaptureFilterEdit(this, plain);
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setEditable(true);
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setLineEdit(cf_edit_);
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// setLineEdit will create a new QCompleter that performs inline completion,
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// be sure to disable that since our CaptureFilterEdit performs its own
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// popup completion. As QLineEdit's completer is designed for full line
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// completion, we cannot reuse it for word completion.
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setCompleter(0);
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// Default is Preferred.
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setSizePolicy(QSizePolicy::MinimumExpanding, sizePolicy().verticalPolicy());
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setInsertPolicy(QComboBox::NoInsert);
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setAccessibleName(tr("Capture filter selector"));
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updateStyleSheet();
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connect(this, &CaptureFilterCombo::interfacesChanged, cf_edit_,
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static_cast<void (CaptureFilterEdit::*)()>(&CaptureFilterEdit::checkFilter));
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connect(cf_edit_, &CaptureFilterEdit::captureFilterSyntaxChanged,
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this, &CaptureFilterCombo::captureFilterSyntaxChanged);
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connect(cf_edit_, &CaptureFilterEdit::startCapture, this, &CaptureFilterCombo::startCapture);
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connect(cf_edit_, &CaptureFilterEdit::startCapture, this, &CaptureFilterCombo::saveAndRebuildFilterList);
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connect(mainApp, &MainApplication::appInitialized, this, &CaptureFilterCombo::rebuildFilterList);
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connect(mainApp, &MainApplication::preferencesChanged, this, &CaptureFilterCombo::rebuildFilterList);
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rebuildFilterList();
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clearEditText();
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}
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void CaptureFilterCombo::writeRecent(FILE *rf)
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{
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int i;
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for (i = 0; i < count(); i++) {
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const QByteArray& filter = itemText(i).toUtf8();
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if (!filter.isEmpty()) {
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fprintf(rf, RECENT_KEY_DISPLAY_FILTER ": %s\n", filter.constData());
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}
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}
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}
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bool CaptureFilterCombo::event(QEvent *event)
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{
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switch (event->type()) {
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case QEvent::ApplicationPaletteChange:
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updateStyleSheet();
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break;
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default:
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break;
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}
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return QComboBox::event(event);
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}
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void CaptureFilterCombo::updateStyleSheet()
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{
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const char *display_mode = ColorUtils::themeIsDark() ? "dark" : "light";
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QString ss = QString(
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"QComboBox {"
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#ifdef Q_OS_MAC
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" border: 1px solid gray;"
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#else
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" border: 1px solid palette(shadow);"
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#endif
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" border-radius: 3px;"
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" padding: 0px 0px 0px 0px;"
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" margin-left: 0px;"
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" min-width: 20em;"
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" }"
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"QComboBox::drop-down {"
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" subcontrol-origin: padding;"
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" subcontrol-position: top right;"
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" width: 16px;"
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" border-left-width: 0px;"
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" }"
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"QComboBox::down-arrow {"
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" image: url(:/stock_icons/14x14/x-filter-dropdown.%1.png);"
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" }"
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"QComboBox::down-arrow:on { /* shift the arrow when popup is open */"
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" top: 1px;"
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" left: 1px;"
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"}"
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).arg(display_mode);
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setStyleSheet(ss);
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}
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void CaptureFilterCombo::saveAndRebuildFilterList()
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{
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if (!currentText().isEmpty()) {
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recent_add_cfilter(NULL, currentText().toUtf8().constData());
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}
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rebuildFilterList();
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}
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void CaptureFilterCombo::rebuildFilterList()
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{
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lineEdit()->blockSignals(true);
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GList *cfilter_list = recent_get_cfilter_list(NULL);
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QString cur_filter = currentText();
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clear();
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for (GList *li = g_list_first(cfilter_list); li != NULL; li = gxx_list_next(li)) {
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insertItem(0, gxx_list_data(const gchar *, li));
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}
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lineEdit()->setText(cur_filter);
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lineEdit()->blockSignals(false);
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}
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