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wireshark/ui/qt/main_welcome.cpp

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/* main_welcome.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 "version.h"
#include <epan/prefs.h>
#include "wsutil/ws_version_info.h"
#include "main_welcome.h"
#include <ui_main_welcome.h>
#include "tango_colors.h"
#include "qt_ui_utils.h"
#include "wireshark_application.h"
#include "interface_tree.h"
#include <QClipboard>
#include <QDir>
#include <QListWidget>
#include <QMenu>
#include <QResizeEvent>
#include <QTreeWidgetItem>
#include <QWidget>
#if !defined(Q_OS_MAC) || QT_VERSION > QT_VERSION_CHECK(5, 0, 0)
#include <QGraphicsBlurEffect>
#endif
#ifndef VERSION_FLAVOR
#define VERSION_FLAVOR ""
#endif
#if HAVE_EXTCAP
#include <extcap.h>
#endif
MainWelcome::MainWelcome(QWidget *parent) :
QFrame(parent),
welcome_ui_(new Ui::MainWelcome),
splash_overlay_(NULL)
{
welcome_ui_->setupUi(this);
welcome_ui_->interfaceTree->resetColumnCount();
recent_files_ = welcome_ui_->recentList;
setStyleSheet(QString(
"MainWelcome {"
" padding: 2em;"
" }"
"MainWelcome, QAbstractItemView {"
" background-color: palette(base);"
" color: palette(text);"
" }"
"QListWidget {"
" border: 0;"
"}"
"QTreeWidget {"
" border: 0;"
"}"
)
);
QString welcome_ss = QString(
"QLabel {"
" border-radius: 0.33em;"
" color: #%1;"
" background-color: #%2;"
" padding: 0.33em;"
"}"
)
.arg(tango_aluminium_6, 6, 16, QChar('0')) // Text color
.arg(tango_sky_blue_2, 6, 16, QChar('0')); // Background color
welcome_ui_->mainWelcomeBanner->setStyleSheet(welcome_ss);
QString title_ss = QString(
"QLabel {"
" color: #%1;"
"}"
)
.arg(tango_aluminium_4, 6, 16, QChar('0')); // Text color
// XXX Is there a better term than "flavor"? Provider? Admonition (a la DocBook)?
// Release_source?
// Typical use cases are automated builds from wireshark.org and private,
// not-for-redistribution packages.
QString flavor = VERSION_FLAVOR;
if (flavor.isEmpty()) {
welcome_ui_->flavorBanner->hide();
} else {
// If needed there are a couple of ways we can make this customizable.
// - Add one or more classes, e.g. "note" or "warning" similar to
// SyntaxLineEdit, which we can then expose vi #defines.
// - Just expose direct color values via #defines.
QString flavor_ss = QString(
"QLabel {"
" border-radius: 0.25em;"
" color: %1;"
" background-color: %2;"
" padding: 0.25em;"
"}"
)
.arg("white") // Text color
.arg("#2c4bc4"); // Background color. Matches capture start button.
// .arg(tango_butter_5, 6, 16, QChar('0')); // "Warning" background
welcome_ui_->flavorBanner->setText(flavor);
welcome_ui_->flavorBanner->setStyleSheet(flavor_ss);
}
welcome_ui_->captureLabel->setStyleSheet(title_ss);
welcome_ui_->recentLabel->setStyleSheet(title_ss);
welcome_ui_->helpLabel->setStyleSheet(title_ss);
#ifdef Q_OS_MAC
recent_files_->setAttribute(Qt::WA_MacShowFocusRect, false);
welcome_ui_->interfaceTree->setAttribute(Qt::WA_MacShowFocusRect, false);
#endif
welcome_ui_->openFrame->hide();
recent_files_->setStyleSheet(
"QListWidget::item {"
" padding-top: 0.2em;"
" padding-bottom: 0.2em;"
"}"
"QListWidget::item::first {"
" padding-top: 0;"
"}"
"QListWidget::item::last {"
" padding-bottom: 0;"
"}"
);
recent_files_->setTextElideMode(Qt::ElideLeft);
recent_ctx_menu_ = new QMenu(this);
welcome_ui_->recentList->setContextMenuPolicy(Qt::CustomContextMenu);
connect(recent_files_, SIGNAL(customContextMenuRequested(QPoint)),
this, SLOT(showRecentContextMenu(QPoint)));
connect(wsApp, SIGNAL(updateRecentItemStatus(const QString &, qint64, bool)), this, SLOT(updateRecentFiles()));
connect(wsApp, SIGNAL(appInitialized()), this, SLOT(appInitialized()));
connect(welcome_ui_->interfaceTree, SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)),
this, SLOT(interfaceDoubleClicked(QTreeWidgetItem*,int)));
#if HAVE_EXTCAP
connect(welcome_ui_->interfaceTree, SIGNAL(itemClicked(QTreeWidgetItem*,int)),
this, SLOT(interfaceClicked(QTreeWidgetItem*,int)));
#endif
connect(welcome_ui_->interfaceTree, SIGNAL(interfacesUpdated()),
welcome_ui_->captureFilterComboBox, SIGNAL(interfacesChanged()));
connect(welcome_ui_->captureFilterComboBox, SIGNAL(pushFilterSyntaxStatus(const QString&)),
this, SIGNAL(pushFilterSyntaxStatus(const QString&)));
connect(welcome_ui_->captureFilterComboBox, SIGNAL(popFilterSyntaxStatus()),
this, SIGNAL(popFilterSyntaxStatus()));
connect(welcome_ui_->captureFilterComboBox, SIGNAL(captureFilterSyntaxChanged(bool)),
this, SIGNAL(captureFilterSyntaxChanged(bool)));
connect(welcome_ui_->captureFilterComboBox, SIGNAL(startCapture()),
this, SIGNAL(startCapture()));
connect(recent_files_, SIGNAL(itemActivated(QListWidgetItem *)), this, SLOT(openRecentItem(QListWidgetItem *)));
connect(welcome_ui_->openFrame, SIGNAL(animationFinished()),
welcome_ui_->interfaceTree, SLOT(reset()));
updateRecentFiles();
#if !defined(Q_OS_MAC) || QT_VERSION > QT_VERSION_CHECK(5, 0, 0)
// This crashes with Qt 4.8.3 on OS X.
QGraphicsBlurEffect *blur = new QGraphicsBlurEffect(welcome_ui_->childContainer);
blur->setBlurRadius(1.3);
welcome_ui_->childContainer->setGraphicsEffect(blur);
#endif
splash_overlay_ = new SplashOverlay(this);
}
MainWelcome::~MainWelcome()
{
delete welcome_ui_;
}
InterfaceTree *MainWelcome::getInterfaceTree()
{
return welcome_ui_->interfaceTree;
}
void MainWelcome::appInitialized()
{
// XXX Add a "check for updates" link?
QString full_release = tr("You are running Wireshark ");
full_release += get_ws_vcs_version_info();
full_release += tr(".");
#ifdef HAVE_SOFTWARE_UPDATE
if (prefs.gui_update_enabled) {
full_release += tr(" You receive automatic updates.");
} else {
full_release += tr(" You have disabled automatic updates.");
}
#else
// XXX Is there a way to tell if the user installed Wireshark via an
// external package manager? If so we could say so here. We could
// also add a link to the download page.
#endif
welcome_ui_->fullReleaseLabel->setText(full_release);
#if !defined(Q_OS_MAC) || QT_VERSION > QT_VERSION_CHECK(5, 0, 0)
welcome_ui_->childContainer->setGraphicsEffect(NULL);
#endif
delete splash_overlay_;
splash_overlay_ = NULL;
}
void MainWelcome::interfaceDoubleClicked(QTreeWidgetItem *item, int)
{
if (item) {
#if HAVE_EXTCAP
QString extcap_string = QVariant(item->data(IFTREE_COL_EXTCAP, Qt::UserRole)).toString();
/* We trust the string here. If this interface is really extcap, the string is
* being checked immediatly before the dialog is being generated */
if ( extcap_string.length() > 0 ) {
QString device_name = QVariant(item->data(IFTREE_COL_NAME, Qt::UserRole)).toString();
/* this checks if configuration is required and not yet provided or saved via prefs */
if ( extcap_has_configuration((const char *)(device_name.toStdString().c_str()), TRUE ) ) {
emit showExtcapOptions(device_name);
return;
}
}
#endif
emit startCapture();
}
}
void MainWelcome::interfaceClicked(QTreeWidgetItem *item, int column)
{
#if HAVE_EXTCAP
if ( column == IFTREE_COL_EXTCAP )
{
QString extcap_string = QVariant(item->data(IFTREE_COL_EXTCAP, Qt::UserRole)).toString();
/* We trust the string here. If this interface is really extcap, the string is
* being checked immediatly before the dialog is being generated */
if ( extcap_string.length() > 0 )
{
QString device_name = QVariant(item->data(IFTREE_COL_NAME, Qt::UserRole)).toString();
emit showExtcapOptions(device_name);
}
}
#endif
}
void MainWelcome::updateRecentFiles() {
QString itemLabel;
QListWidgetItem *rfItem;
QFont rfFont;
QString selectedFilename;
if (!recent_files_->selectedItems().isEmpty()) {
rfItem = recent_files_->selectedItems().first();
selectedFilename = rfItem->data(Qt::UserRole).toString();
}
int rfRow = 0;
foreach (recent_item_status *ri, wsApp->recentItems()) {
itemLabel = ri->filename;
if (rfRow >= recent_files_->count()) {
recent_files_->addItem(itemLabel);
}
itemLabel.append(" (");
if (ri->accessible) {
if (ri->size/1024/1024/1024 > 10) {
itemLabel.append(QString("%1 GB").arg(ri->size/1024/1024/1024));
} else if (ri->size/1024/1024 > 10) {
itemLabel.append(QString("%1 MB").arg(ri->size/1024/1024));
} else if (ri->size/1024 > 10) {
itemLabel.append(QString("%1 KB").arg(ri->size/1024));
} else {
itemLabel.append(QString("%1 Bytes").arg(ri->size));
}
} else {
itemLabel.append(tr("not found"));
}
itemLabel.append(")");
rfFont.setItalic(!ri->accessible);
rfItem = recent_files_->item(rfRow);
rfItem->setText(itemLabel);
rfItem->setData(Qt::UserRole, ri->filename);
rfItem->setFlags(ri->accessible ? Qt::ItemIsSelectable | Qt::ItemIsEnabled : Qt::NoItemFlags);
rfItem->setFont(rfFont);
if (ri->filename == selectedFilename) {
recent_files_->setItemSelected(rfItem, true);
}
rfRow++;
}
while (recent_files_->count() > (int) prefs.gui_recent_files_count_max) {
recent_files_->takeItem(recent_files_->count());
}
if (recent_files_->count() > 0) {
welcome_ui_->openFrame->animatedShow();
} else {
welcome_ui_->openFrame->animatedHide();
}
}
void MainWelcome::openRecentItem(QListWidgetItem *item) {
QString cfPath = item->data(Qt::UserRole).toString();
emit recentFileActivated(cfPath);
}
void MainWelcome::resizeEvent(QResizeEvent *event)
{
if (splash_overlay_)
splash_overlay_->resize(event->size());
// event->accept();
QFrame::resizeEvent(event);
welcome_ui_->interfaceTree->reset();
}
void MainWelcome::changeEvent(QEvent* event)
{
if (0 != event)
{
switch (event->type())
{
case QEvent::LanguageChange:
welcome_ui_->retranslateUi(this);
break;
default:
break;
}
}
QFrame::changeEvent(event);
}
#ifdef Q_OS_MAC
static const QString show_in_str_ = QObject::tr("Show in Finder");
#else
static const QString show_in_str_ = QObject::tr("Show in Folder");
#endif
void MainWelcome::showRecentContextMenu(QPoint pos)
{
QListWidgetItem *li = recent_files_->itemAt(pos);
if (!li) return;
recent_ctx_menu_->clear();
QString cf_path = li->data(Qt::UserRole).toString();
QAction *show_action = recent_ctx_menu_->addAction(show_in_str_);
show_action->setData(cf_path);
connect(show_action, SIGNAL(triggered(bool)), this, SLOT(showRecentFolder()));
QAction *copy_action = recent_ctx_menu_->addAction(tr("Copy file path"));
copy_action->setData(cf_path);
connect(copy_action, SIGNAL(triggered(bool)), this, SLOT(copyRecentPath()));
recent_ctx_menu_->exec(recent_files_->mapToGlobal(pos));
}
void MainWelcome::showRecentFolder()
{
QAction *ria = qobject_cast<QAction*>(sender());
if (!ria) return;
QString cf_path = ria->data().toString();
desktop_show_in_folder(cf_path);
}
void MainWelcome::copyRecentPath()
{
QAction *ria = qobject_cast<QAction*>(sender());
if (!ria) return;
QString cf_path = ria->data().toString();
if (cf_path.isEmpty()) return;
wsApp->clipboard()->setText(cf_path);
}
/*
* 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:
*/
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