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Better formatting of the help messages so they are easier to translate

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- Command line arguments are not given to translations, only descriptions
  and placeholders.
- Formatting is done programmatically, so developers and translators don't
  have to adjust that themselves.

This will affect translations but will be better in the long run.
This commit is contained in:
mgrojo
2021-02-20 16:10:00 +01:00
parent 03297e769b
commit 3ad352467c
1 changed files with 39 additions and 16 deletions
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src/Application.cpp
+39 -16
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@@ -15,6 +15,19 @@
#include "version.h"
#include "sqlitedb.h"
void printArgument(const QString& argument, const QString& description)
{
const int fieldWidth = 20;
// Format the usage message so translators do not have to do it themselves
if(argument.length() > fieldWidth) {
qWarning() << qPrintable(QString(" %1").arg(argument, -fieldWidth));
qWarning() << qPrintable(QString(" %1%2").arg("", -fieldWidth).arg(description));
} else {
qWarning() << qPrintable(QString(" %1%2").arg(argument, -fieldWidth).arg(description));
}
}
Application::Application(int& argc, char** argv) :
QApplication(argc, argv)
{
@@ -113,23 +126,33 @@ Application::Application(int& argc, char** argv) :
if(arguments().at(i) == "-h" || arguments().at(i) == "--help")
{
// Help
qWarning() << qPrintable(tr("Usage: %1 [options] [<database>|<project>]\n").
arg(QFileInfo(argv[0]).fileName()));
qWarning() << qPrintable(QString("%1: %2 [%3] [<%4>|<%5>]\n").
arg(tr("Usage")).arg(QFileInfo(argv[0]).fileName()).
arg(tr("options")).arg(tr("database")).arg(tr("project")));
qWarning() << qPrintable(tr("Possible command line arguments:"));
qWarning() << qPrintable(tr(" -h, --help Show command line options"));
qWarning() << qPrintable(tr(" -q, --quit Exit application after running scripts"));
qWarning() << qPrintable(tr(" -s, --sql <file> Execute this SQL file after opening the DB"));
qWarning() << qPrintable(tr(" -t, --table <table> Browse this table after opening the DB"));
qWarning() << qPrintable(tr(" -R, --read-only Open database in read-only mode"));
qWarning() << qPrintable(tr(" -S, --settings <settings_file>"));
qWarning() << qPrintable(tr(" Run application based on this settings file"));
qWarning() << qPrintable(tr(" -o, --option <group>/<setting>=<value>"));
qWarning() << qPrintable(tr(" Run application with this setting temporarily set to value"));
qWarning() << qPrintable(tr(" -O, --save-option <group>/<setting>=<value>"));
qWarning() << qPrintable(tr(" Run application saving this value for this setting"));
qWarning() << qPrintable(tr(" -v, --version Display the current version"));
qWarning() << qPrintable(tr(" <database> Open this SQLite database"));
qWarning() << qPrintable(tr(" <project> Open this project file (*.sqbpro)"));
printArgument(QString("-h, --help"),
tr("Show command line options"));
printArgument(QString("-q, --quit"),
tr("Exit application after running scripts"));
printArgument(QString("-s, --sql <%1>").arg(tr("file")),
tr("Execute this SQL file after opening the DB"));
printArgument(QString("-t, --table <%1>").arg(tr("table")),
tr("Browse this table after opening the DB"));
printArgument(QString("-R, --read-only"),
tr("Open database in read-only mode"));
printArgument(QString("-S, --settings <%1>").arg(tr("settings_file")),
tr("Run application based on this settings file"));
printArgument(QString("-o, --option <%1>/<%2>=<%3>").arg(tr("group")).arg(tr("settings")).arg(tr("value")),
tr("Run application with this setting temporarily set to value"));
printArgument(QString("-O, --save-option <%1>/<%2>=<%3>").arg(tr("group")).arg(tr("settings")).arg(tr("value")),
tr("Run application saving this value for this setting"));
printArgument(QString("-v, --version"),
tr("Display the current version"));
printArgument(QString("<%1>").arg(tr("database")),
tr("Open this SQLite database"));
printArgument(QString("<%1>").arg(tr("project")),
tr("Open this project file (*.sqbpro)"));
m_showMainWindow = false;
} else if(arguments().at(i) == "-v" || arguments().at(i) == "--version") {
qWarning() << qPrintable(versionInformation());