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Added a message handler to have colored console output in debug mode.

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This commit is contained in:
Bent Witthold
2025-10-02 16:46:50 +02:00
parent 3ed9e21b93
commit 1b0e257602
3 changed files with 185 additions and 14 deletions
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1
CMakeLists.txt
View File

@ -27,6 +27,7 @@ if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
qt_add_executable(${TARGET_APP}
MANUAL_FINALIZATION
${PROJECT_SOURCES}
utils/messagehandler.h
)
# Define target properties for Android with Qt 6 as:
# set_property(TARGET ${TARGET_APP} APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR

34
main.cpp
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@ -4,20 +4,26 @@
#include <QLocale>
#include <QTranslator>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
#ifdef QT_DEBUG
#include "utils/messagehandler.h"
#endif
QTranslator translator;
const QStringList uiLanguages = QLocale::system().uiLanguages();
for (const QString &locale : uiLanguages) {
const QString baseName = "GenericWidgets_" + QLocale(locale).name();
if (translator.load(":/i18n/" + baseName)) {
a.installTranslator(&translator);
break;
}
int main(int argc, char* argv[]) {
#ifdef QT_DEBUG
qInstallMessageHandler(consoleHandlerColoredVerboseInDarkTheme);
#endif
QApplication a(argc, argv);
QTranslator translator;
const QStringList uiLanguages = QLocale::system().uiLanguages();
for (const QString& locale : uiLanguages) {
const QString baseName = "GenericWidgets_" + QLocale(locale).name();
if (translator.load(":/i18n/" + baseName)) {
a.installTranslator(&translator);
break;
}
MainWindow w;
w.show();
return a.exec();
}
MainWindow w;
w.show();
return a.exec();
}

164
utils/messagehandler.h Normal file
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@ -0,0 +1,164 @@
#ifndef MESSAGEHANDLER_H
#define MESSAGEHANDLER_H
/**
* Color and formatting codes
* @see: http://misc.flogisoft.com/bash/tip_colors_and_formatting
*/
#include <QObject>
// qSetMessagePattern("%{file}(%{line}): %{message}");
// qSetMessagePattern("%{type}(%{line}):\t%{message}");
// qSetMessagePattern("%{type}%{file}(%{line}):\t%{message}");
void consoleHandlerColoredVerbose(QtMsgType type,
const QMessageLogContext& context,
const QString& msg) {
QByteArray localMsg = msg.toLocal8Bit();
switch (type) {
case QtDebugMsg:
// fprintf(stderr, "\033[1;30mDebug: (%s:%u, %s) \t%s\n\033[0m", context.file,
// context.line, context.function, localMsg.constData()); // bold
fprintf(stderr, "\033[107;30mDebug: (%s:%u, %s) \t%s\n\033[0m", context.file, context.line,
context.function, localMsg.constData());
break;
case QtInfoMsg:
fprintf(stderr, "\033[107;32mInfo: (%s:%u) \t%s\n\033[0m", context.file, context.line,
localMsg.constData());
break;
case QtWarningMsg:
fprintf(stderr, "\033[43;30mWarning: (%s:%u, %s) \t%s\n\033[0m", context.file, context.line,
context.function, localMsg.constData());
break;
case QtCriticalMsg:
fprintf(stderr, "\033[41;30mCritical: (%s:%u, %s) \t%s\n\033[0m", context.file, context.line,
context.function, localMsg.constData());
break;
case QtFatalMsg:
fprintf(stderr, "\033[41;30mFatal: (%s:%u, %s) \t%s\n\033[0m", context.file, context.line,
context.function, localMsg.constData());
abort();
}
}
void consoleHandlerColoredVerboseInDarkTheme(QtMsgType type,
const QMessageLogContext& context,
const QString& msg) {
QByteArray localMsg = msg.toLocal8Bit();
switch (type) {
case QtDebugMsg:
// fprintf(stderr, "\033[1;30mDebug: (%s:%u, %s) \t%s\n\033[0m", context.file,
// context.line, context.function, localMsg.constData()); // bold
fprintf(stderr, "\033[107;37mDebug: (%s:%u, %s) \t%s\n\033[0m", context.file, context.line,
context.function, localMsg.constData());
break;
case QtInfoMsg:
fprintf(stderr, "\033[107;32mInfo: (%s:%u) \t%s\n\033[0m", context.file, context.line,
localMsg.constData());
break;
case QtWarningMsg:
fprintf(stderr, "\033[43;30mWarning: (%s:%u, %s) \t%s\n\033[0m", context.file, context.line,
context.function, localMsg.constData());
break;
case QtCriticalMsg:
fprintf(stderr, "\033[41;30mCritical: (%s:%u, %s) \t%s\n\033[0m", context.file, context.line,
context.function, localMsg.constData());
break;
case QtFatalMsg:
fprintf(stderr, "\033[41;30mFatal: (%s:%u, %s) \t%s\n\033[0m", context.file, context.line,
context.function, localMsg.constData());
abort();
}
}
void consoleHandlerColored(QtMsgType type, const QMessageLogContext& context, const QString& msg) {
QByteArray localMsg = msg.toLocal8Bit();
switch (type) {
case QtDebugMsg:
fprintf(stderr, "\033[1;30mDebug: (%s:%u) \t%s\n\033[0m", context.file, context.line,
localMsg.constData());
break;
case QtInfoMsg:
fprintf(stderr, "\033[0;30mInfo: (%s:%u) \t%s\n\033[0m", context.file, context.line,
localMsg.constData());
break;
case QtWarningMsg:
fprintf(stderr, "\033[1;33mWarning: (%s:%u) \t%s\n\033[0m", context.file, context.line,
localMsg.constData());
break;
case QtCriticalMsg:
fprintf(stderr, "\033[31mCritical: (%s:%u) \t%s\n\033[0m", context.file, context.line,
localMsg.constData());
break;
case QtFatalMsg:
fprintf(stderr, "\033[31mFatal: (%s:%u) \t%s\n\033[0m", context.file, context.line,
localMsg.constData());
abort();
}
}
void myMessageOutput(QtMsgType type, const QMessageLogContext& context, const QString& msg) {
QByteArray localMsg = msg.toLocal8Bit();
switch (type) {
case QtDebugMsg:
fprintf(stderr, "Debug: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line,
context.function);
break;
case QtInfoMsg:
fprintf(stderr, "Info: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line,
context.function);
break;
case QtWarningMsg:
fprintf(stderr, "Warning: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line,
context.function);
break;
case QtCriticalMsg:
fprintf(stderr, "Critical: %s (%s:%u, %s)\n", localMsg.constData(), context.file,
context.line, context.function);
break;
case QtFatalMsg:
fprintf(stderr, "Fatal: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line,
context.function);
abort();
}
}
#ifdef Q_OS_ANDROID
#include <android/log.h>
const char* const applicationName = "Pensieve";
void androidMessageHandler(QtMsgType type, const QMessageLogContext& context, const QString& msg) {
QString report = msg;
if (context.file && !QString(context.file).isEmpty()) {
report += " in file ";
report += QString(context.file);
report += " line ";
report += QString::number(context.line);
}
if (context.function && !QString(context.function).isEmpty()) {
report += +" function ";
report += QString(context.function);
}
const char* const local = report.toLocal8Bit().constData();
switch (type) {
case QtDebugMsg:
__android_log_write(ANDROID_LOG_DEBUG, applicationName, local);
break;
case QtInfoMsg:
__android_log_write(ANDROID_LOG_INFO, applicationName, local);
break;
case QtWarningMsg:
__android_log_write(ANDROID_LOG_WARN, applicationName, local);
break;
case QtCriticalMsg:
__android_log_write(ANDROID_LOG_ERROR, applicationName, local);
break;
case QtFatalMsg:
default:
__android_log_write(ANDROID_LOG_FATAL, applicationName, local);
abort();
}
}
#endif
#endif // MESSAGEHANDLER_H