forked from osmocom/wireshark
152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/* extcap_argument_file.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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#include <extcap_argument.h>
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#include <extcap_argument_file.h>
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#include <wsutil/utf8_entities.h>
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#include <QObject>
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#include <QWidget>
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#include <QLabel>
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#include <QLineEdit>
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#include <QBoxLayout>
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#include <QPushButton>
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#include <QFileDialog>
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#include <QDir>
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#include <QFileInfo>
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#include <QVariant>
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#include <epan/prefs.h>
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#include <ui/qt/utils/color_utils.h>
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#include <ui/all_files_wildcard.h>
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#include <extcap_parser.h>
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ExtcapArgumentFileSelection::ExtcapArgumentFileSelection (extcap_arg * argument, QObject *parent) :
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ExtcapArgument(argument, parent), textBox(0)
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{
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}
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ExtcapArgumentFileSelection::~ExtcapArgumentFileSelection()
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{
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if ( textBox != NULL )
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delete textBox;
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}
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QWidget * ExtcapArgumentFileSelection::createEditor(QWidget * parent)
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{
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QString text = defaultValue();
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QString buttonText(UTF8_HORIZONTAL_ELLIPSIS);
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QWidget * fileWidget = new QWidget(parent);
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QHBoxLayout * editLayout = new QHBoxLayout();
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QMargins margins = editLayout->contentsMargins();
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editLayout->setContentsMargins(0, 0, 0, margins.bottom());
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fileWidget->setContentsMargins(margins.left(), margins.right(), 0, margins.bottom());
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QPushButton * button = new QPushButton(buttonText, fileWidget);
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textBox = new QLineEdit(text, parent);
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textBox->setReadOnly(true);
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const char *prefval = _argument->pref_valptr ? *_argument->pref_valptr : NULL;
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if (prefval)
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{
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QString storeValue(prefval);
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if ( storeValue.length() > 0 && storeValue.compare(text) != 0 )
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text = storeValue.trimmed();
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}
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textBox->setText(text);
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if ( _argument->tooltip != NULL )
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{
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textBox->setToolTip(QString().fromUtf8(_argument->tooltip));
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button->setToolTip(QString().fromUtf8(_argument->tooltip));
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}
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connect(button, SIGNAL(clicked()), (QObject *)this, SLOT(openFileDialog()));
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editLayout->addWidget(textBox);
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editLayout->addWidget(button);
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fileWidget->setLayout(editLayout);
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return fileWidget;
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}
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QString ExtcapArgumentFileSelection::value()
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{
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if ( textBox == 0 )
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return QString();
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return textBox->text();
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}
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/* opens the file dialog */
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void ExtcapArgumentFileSelection::openFileDialog()
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{
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QString filename = textBox->text();
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QDir workingDir = QDir::currentPath();
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if (QFileInfo(filename).exists())
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workingDir = QFileInfo(filename).dir();
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QString fileExt(tr("All Files (" ALL_FILES_WILDCARD ")"));
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if ( _argument->fileextension != NULL )
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{
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QString givenExt = QString().fromUtf8(_argument->fileextension);
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if ( givenExt.length() != 0 )
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fileExt.prepend(";;").prepend(givenExt);
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}
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filename = QFileDialog::getOpenFileName((QWidget *)(textBox->parent()),
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QString().fromUtf8(_argument->display) + " " + tr("Open File"),
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workingDir.absolutePath(), fileExt);
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if ( ! fileExists() || QFileInfo(filename).exists() )
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{
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textBox->setText(filename);
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emit valueChanged();
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}
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}
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bool ExtcapArgumentFileSelection::isValid()
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{
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bool valid = false;
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if ( textBox->text().length() > 0 )
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{
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if (_argument->fileexists)
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valid = QFileInfo(textBox->text()).exists();
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else
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valid = true;
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}
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else if ( ! isRequired() )
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valid = true;
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QString lblInvalidColor = ColorUtils::fromColorT(prefs.gui_text_invalid).name();
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QString txtStyle("QLineEdit { background-color: %1; } ");
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textBox->setStyleSheet( txtStyle.arg(valid ? QString("") : lblInvalidColor) );
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return valid;
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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