2 * This file is part of the PulseView project.
4 * Copyright (C) 2018 Soeren Apel <soeren@apelpie.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #include "logging.hpp"
21 #include "globalsettings.hpp"
24 #include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
27 #include <libsigrokcxx/libsigrokcxx.hpp>
29 #include <QApplication>
35 const int Logging::MAX_BUFFER_SIZE = 50000;
39 qInstallMessageHandler(0);
40 sr_log_callback_set_default();
42 srd_log_callback_set_default();
45 GlobalSettings::remove_change_handler(this);
50 GlobalSettings settings;
53 settings.value(GlobalSettings::Key_Log_BufferSize).toInt();
55 buffer_.reserve(buffer_size_);
57 qInstallMessageHandler(log_pv);
58 sr_log_callback_set(log_sr, nullptr);
60 srd_log_callback_set(log_srd, nullptr);
63 GlobalSettings::add_change_handler(this);
66 int Logging::get_log_level() const
68 // We assume that libsigrok and libsrd always have the same log level
69 return sr_log_loglevel_get();
72 void Logging::set_log_level(int level)
74 sr_log_loglevel_set(level);
75 srd_log_loglevel_set(level);
78 QString Logging::get_log() const
80 return buffer_.join("<br />\n");
83 void Logging::log(const QString &text, int source)
85 if (buffer_.size() >= buffer_size_)
86 buffer_.removeFirst();
90 if (text.contains("warning", Qt::CaseInsensitive)) {
91 s = QString("<font color=\"darkorange\">%1</font>").arg(text);
95 if (text.contains("error", Qt::CaseInsensitive)) {
96 s = QString("<font color=\"darkred\">%1</font>").arg(text);
102 s = QString("pv: ") + text; // black is default color
105 s = QString("<font color=\"blue\">sr: %1</font>").arg(text);
108 s = QString("<font color=\"olive\">srd: %1</font>").arg(text);
118 // If we're tearing down the program, sending out notifications to UI
119 // elements that can no longer function properly is a bad idea
120 if (!QApplication::closingDown())
124 void Logging::log_pv(QtMsgType type, const QMessageLogContext &context, const QString &msg)
129 logging.log(msg, LogSource_pv);
132 int Logging::log_sr(void *cb_data, int loglevel, const char *format, va_list args)
137 char *text = g_strdup_vprintf(format, args);
138 logging.log(QString::fromUtf8(text), LogSource_sr);
145 int Logging::log_srd(void *cb_data, int loglevel, const char *format, va_list args)
150 char *text = g_strdup_vprintf(format, args);
151 logging.log(QString::fromUtf8(text), LogSource_srd);
158 void Logging::on_setting_changed(const QString &key, const QVariant &value)
160 if (key == GlobalSettings::Key_Log_BufferSize) {
161 // Truncate buffer if needed
162 const int delta = buffer_.size() - value.toInt();
164 buffer_.erase(buffer_.begin(), buffer_.begin() + delta);
166 buffer_size_ = value.toInt();
167 buffer_.reserve(buffer_size_);