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Allow switching the user from the command line

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This is a feature that many people have asked for. This implementation is
somewhat simplistic because we simply use a different name for the
program settings - but interestingly enough this appears to be enough to
capture a lot of the core functionality that people are looking for in
multi-user support.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2016-04-29 06:17:02 -07:00
parent f536da0ee3
commit 3f63660267
3 changed files with 20 additions and 2 deletions
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11
core/qt-init.cpp
View file

@ -4,6 +4,8 @@
#include <QTextCodec>
#include "helpers.h"
char *settings_suffix = NULL;
void init_qt_late()
{
QApplication *application = qApp;
@ -19,7 +21,14 @@ void init_qt_late()
QCoreApplication::setOrganizationName("Subsurface");
QCoreApplication::setOrganizationDomain("subsurface.hohndel.org");
QCoreApplication::setApplicationName("Subsurface");
// enable user specific settings (based on command line argument)
if (settings_suffix) {
if (verbose)
qDebug() << "using custom config for" << QString("Subsurface-%1").arg(settings_suffix);
QCoreApplication::setApplicationName(QString("Subsurface-%1").arg(settings_suffix));
} else {
QCoreApplication::setApplicationName("Subsurface");
}
// find plugins installed in the application directory (without this SVGs don't work on Windows)
QCoreApplication::addLibraryPath(QCoreApplication::applicationDirPath());
QLocale loc;

9
core/subsurfacestartup.c
View file

@ -197,6 +197,11 @@ void parse_argument(const char *arg)
continue;
case '-':
/* long options with -- */
/* first test for --user=bla which allows the use of user specific settings */
if (strncmp(arg, "--user=", sizeof("--user=") - 1) == 0) {
settings_suffix = strdup(arg + sizeof("--user=") - 1);
return;
}
if (strcmp(arg, "--help") == 0) {
print_help();
exit(0);
@ -254,8 +259,10 @@ void setup_system_prefs(void)
subsurface_OS_pref_setup();
default_prefs.divelist_font = strdup(system_divelist_default_font);
default_prefs.font_size = system_divelist_default_font_size;
default_prefs.default_filename = system_default_filename();
#if !defined(SUBSURFACE_MOBILE)
default_prefs.default_filename = system_default_filename();
#endif
env = getenv("LC_MEASUREMENT");
if (!env)
env = getenv("LC_ALL");

2
core/subsurfacestartup.h
View file

@ -19,6 +19,8 @@ void free_prefs(void);
void copy_prefs(struct preferences *src, struct preferences *dest);
void print_files(void);
extern char *settings_suffix;
#ifdef __cplusplus
}
#endif