forked from osmocom/wireshark
191 lines
4.8 KiB
C++
191 lines
4.8 KiB
C++
/* splash_overlay.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 "splash_overlay.h"
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#include <ui_splash_overlay.h>
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#include "wireshark_application.h"
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#include <QPainter>
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#include "ui/util.h"
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#include <wsutil/utf8_entities.h>
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#include <ui/qt/utils/tango_colors.h>
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#ifdef HAVE_LUA
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#include "epan/wslua/init_wslua.h"
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#endif
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#include "extcap.h"
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// Uncomment to slow the update progress
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//#define THROTTLE_STARTUP 1
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/*
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* Update frequency for the splash screen, given in milliseconds.
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*/
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const int info_update_freq_ = 65; // ~15 fps
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void splash_update(register_action_e action, const char *message, void *) {
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emit wsApp->registerUpdate(action, message);
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}
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SplashOverlay::SplashOverlay(QWidget *parent) :
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QWidget(parent),
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so_ui_(new Ui::SplashOverlay),
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last_action_(RA_NONE),
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register_cur_(0)
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{
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so_ui_->setupUi(this);
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int register_max = RA_BASE_COUNT;
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#ifdef HAVE_LUA
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register_max++;
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#endif
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register_max++;
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so_ui_->progressBar->setMaximum(register_max);
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elapsed_timer_.start();
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QColor bg = QColor(tango_aluminium_6);
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bg.setAlphaF(0.2);
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QPalette pal;
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pal.setColor(QPalette::Window, bg);
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setPalette(pal);
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setAutoFillBackground(true);
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setStyleSheet(QString(
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"QFrame#progressBand {"
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" background: %1;"
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"}"
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"QLabel {"
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" color: white;"
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" background: transparent;"
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"}"
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"QProgressBar {"
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" height: 1em;"
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" width: 20em;"
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" border: 0.1em solid white;"
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" border-radius: 0.2em;"
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" color: white;"
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" background: transparent;"
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"}"
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"QProgressBar::chunk {"
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" width: 0.1em;"
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" background: rgba(255, 255, 255, 50%);"
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"}"
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)
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.arg(QColor(tango_aluminium_4).name()));
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connect(wsApp, SIGNAL(splashUpdate(register_action_e,const char*)),
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this, SLOT(splashUpdate(register_action_e,const char*)));
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}
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SplashOverlay::~SplashOverlay()
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{
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delete so_ui_;
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}
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// Useful for debugging on fast machines.
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#ifdef THROTTLE_STARTUP
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#include <QThread>
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class ThrottleThread : public QThread
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{
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public:
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static void msleep(unsigned long msecs)
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{
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QThread::msleep(msecs);
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}
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};
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#endif
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void SplashOverlay::splashUpdate(register_action_e action, const char *message)
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{
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QString action_msg = UTF8_HORIZONTAL_ELLIPSIS;
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#ifdef THROTTLE_STARTUP
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ThrottleThread::msleep(10);
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#endif
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if (last_action_ == action && (elapsed_timer_.elapsed() < info_update_freq_)) {
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// Nothing to update yet
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return;
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}
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if (last_action_ != action) {
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register_cur_++;
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}
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last_action_ = action;
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switch(action) {
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case RA_DISSECTORS:
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action_msg = tr("Initializing dissectors");
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break;
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case RA_LISTENERS:
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action_msg = tr("Initializing tap listeners");
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break;
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case RA_EXTCAP:
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action_msg = tr("Initializing external capture plugins");
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break;
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case RA_REGISTER:
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action_msg = tr("Registering dissectors");
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break;
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case RA_PLUGIN_REGISTER:
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action_msg = tr("Registering plugins");
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break;
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case RA_HANDOFF:
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action_msg = tr("Handing off dissectors");
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break;
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case RA_PLUGIN_HANDOFF:
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action_msg = tr("Handing off plugins");
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break;
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case RA_LUA_PLUGINS:
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action_msg = tr("Loading Lua plugins");
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break;
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case RA_LUA_DEREGISTER:
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action_msg = tr("Removing Lua plugins");
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break;
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case RA_PREFERENCES:
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action_msg = tr("Loading module preferences");
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break;
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case RA_INTERFACES:
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action_msg = tr("Finding local interfaces");
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break;
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default:
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action_msg = tr("(Unknown action)");
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break;
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}
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if (message) {
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if (!strncmp(message, "proto_register_", 15))
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message += 15;
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else if (!strncmp(message, "proto_reg_handoff_", 18))
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message += 18;
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action_msg.append(" ").append(message);
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}
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so_ui_->actionLabel->setText(action_msg);
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so_ui_->progressBar->setValue(register_cur_);
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wsApp->processEvents(QEventLoop::ExcludeUserInputEvents | QEventLoop::ExcludeSocketNotifiers, 1);
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elapsed_timer_.restart();
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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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