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