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Support for a startup configuration

Browse Source 
The --config <configuration> (-c for short) command line option can be
used  to  select  an  existing  configuration  at  start  up.  If  the
configuration does not exist the last configuration used is selected.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7567 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Bill Somerville 2017-02-17 12:32:47 +00:00
parent 75d371ebd9
commit b4ea0194f1
3 changed files with 142 additions and 114 deletions
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171
MultiSettings.cpp
View File

@ -144,7 +144,7 @@ class MultiSettings::impl final
Q_OBJECT
public:
explicit impl (MultiSettings const * parent);
explicit impl (MultiSettings const * parent, QString const& config_name);
bool reposition ();
void create_menu_actions (QMainWindow * main_window, QMenu * menu);
bool exit ();
@ -201,8 +201,8 @@ private:
#include "MultiSettings.moc"
#include "moc_MultiSettings.cpp"
MultiSettings::MultiSettings ()
: m_ {this}
MultiSettings::MultiSettings (QString const& config_name)
: m_ {this, config_name}
{
}
@ -263,7 +263,7 @@ bool MultiSettings::exit ()
return m_->exit ();
}
MultiSettings::impl::impl (MultiSettings const * parent)
MultiSettings::impl::impl (MultiSettings const * parent, QString const& config_name)
: settings_ {settings_path (), QSettings::IniFormat}
, parent_ {parent}
, name_change_emit_pending_ {true}
@ -303,15 +303,33 @@ MultiSettings::impl::impl (MultiSettings const * parent)
}
// bootstrap
QStringList available_configurations;
{
SettingsGroup alternatives {&settings_, multi_settings_root_group};
available_configurations = settings_.childGroups ();
// use last selected configuration
current_ = settings_.value (multi_settings_current_name_key).toString ();
if (!current_.size ())
{
// no configurations so use default name
current_ = tr (default_string);
settings_.setValue (multi_settings_current_name_key, current_);
}
}
if (config_name.size () && available_configurations.contains (config_name) && config_name != current_)
{
// switch to specified configuration
{
SettingsGroup alternatives {&settings_, multi_settings_root_group};
// save the target settings
SettingsGroup target_group {&settings_, config_name};
new_settings_ = get_settings ();
}
current_ = config_name;
reposition_type_ = RepositionType::save_and_replace;
reposition ();
}
settings_.sync ();
}
@ -394,9 +412,8 @@ void MultiSettings::impl::create_menu_actions (QMainWindow * main_window, QMenu
// and set as the current configuration
default_menu->menuAction ()->setChecked (true);
QStringList available_configurations;
// get the existing alternatives
available_configurations = settings_.childGroups ();
auto const& available_configurations {settings_.childGroups ()};
// add all the other configurations
for (auto const& configuration_name: available_configurations)
@ -539,14 +556,14 @@ void MultiSettings::impl::select_configuration (QMainWindow * main_window, QMenu
if (target_name != current_)
{
{
auto const& current_group = settings_.group ();
if (current_group.size ()) settings_.endGroup ();
// position to the alternative settings
SettingsGroup alternatives {&settings_, multi_settings_root_group};
// save the target settings
SettingsGroup target_group {&settings_, target_name};
new_settings_ = get_settings ();
if (current_group.size ()) settings_.beginGroup (current_group);
auto const& current_group = settings_.group ();
if (current_group.size ()) settings_.endGroup ();
// position to the alternative settings
SettingsGroup alternatives {&settings_, multi_settings_root_group};
// save the target settings
SettingsGroup target_group {&settings_, target_name};
new_settings_ = get_settings ();
if (current_group.size ()) settings_.beginGroup (current_group);
}
// and set up the restart
current_ = target_name;
@ -621,41 +638,41 @@ void MultiSettings::impl::clone_into_configuration (QMainWindow * main_window, Q
{
QString source_name {1 == sources.size () ? sources.at (0) : dialog.name ()};
if (MessageBox::Yes == MessageBox::query_message (main_window,
tr ("Clone Into Configuration"),
tr ("Confirm overwrite of all values for configuration \"%1\" with values from \"%2\"?")
.arg (target_name)
.arg (source_name)))
{
// grab the data to clone from
if (source_name == current_group_name)
{
// grab the data to clone from the current settings
new_settings_ = get_settings ();
}
else
{
SettingsGroup alternatives {&settings_, multi_settings_root_group};
SettingsGroup source_group {&settings_, source_name};
new_settings_ = get_settings ();
}
tr ("Clone Into Configuration"),
tr ("Confirm overwrite of all values for configuration \"%1\" with values from \"%2\"?")
.arg (target_name)
.arg (source_name)))
{
// grab the data to clone from
if (source_name == current_group_name)
{
// grab the data to clone from the current settings
new_settings_ = get_settings ();
}
else
{
SettingsGroup alternatives {&settings_, multi_settings_root_group};
SettingsGroup source_group {&settings_, source_name};
new_settings_ = get_settings ();
}
// purge target settings and replace
if (target_name == current_)
{
// restart with new settings
reposition_type_ = RepositionType::replace;
exit_flag_ = false;
main_window->close ();
}
else
{
SettingsGroup alternatives {&settings_, multi_settings_root_group};
SettingsGroup target_group {&settings_, target_name};
settings_.remove (QString {}); // purge entire group
load_from (new_settings_);
new_settings_.clear ();
}
}
// purge target settings and replace
if (target_name == current_)
{
// restart with new settings
reposition_type_ = RepositionType::replace;
exit_flag_ = false;
main_window->close ();
}
else
{
SettingsGroup alternatives {&settings_, multi_settings_root_group};
SettingsGroup target_group {&settings_, target_name};
settings_.remove (QString {}); // purge entire group
load_from (new_settings_);
new_settings_.clear ();
}
}
}
if (current_group.size ()) settings_.beginGroup (current_group);
}
@ -665,9 +682,9 @@ void MultiSettings::impl::reset_configuration (QMainWindow * main_window, QMenu
auto const& target_name = menu->title ();
if (MessageBox::Yes != MessageBox::query_message (main_window,
tr ("Reset Configuration"),
tr ("Confirm reset to default values for configuration \"%1\"?")
.arg (target_name)))
tr ("Reset Configuration"),
tr ("Confirm reset to default values for configuration \"%1\"?")
.arg (target_name)))
{
return;
}
@ -711,27 +728,27 @@ void MultiSettings::impl::rename_configuration (QMainWindow * main_window, QMenu
if (QDialog::Accepted == dialog.exec ())
{
if (target_name == current_)
{
settings_.setValue (multi_settings_current_name_key, dialog.new_name ());
settings_.sync ();
current_ = dialog.new_name ();
Q_EMIT parent_->configurationNameChanged (current_);
}
{
settings_.setValue (multi_settings_current_name_key, dialog.new_name ());
settings_.sync ();
current_ = dialog.new_name ();
Q_EMIT parent_->configurationNameChanged (current_);
}
else
{
// switch to the target group and fetch the configuration data
Dictionary target_settings;
{
// grab the target configuration settings
SettingsGroup target_group {&settings_, target_name};
target_settings = get_settings ();
// purge the old configuration data
settings_.remove (QString {}); // purge entire group
}
// load into new configuration group name
SettingsGroup target_group {&settings_, dialog.new_name ()};
load_from (target_settings);
}
{
// switch to the target group and fetch the configuration data
Dictionary target_settings;
{
// grab the target configuration settings
SettingsGroup target_group {&settings_, target_name};
target_settings = get_settings ();
// purge the old configuration data
settings_.remove (QString {}); // purge entire group
}
// load into new configuration group name
SettingsGroup target_group {&settings_, dialog.new_name ()};
load_from (target_settings);
}
// change the action text in the menu
menu->setTitle (dialog.new_name ());
}
@ -749,12 +766,12 @@ void MultiSettings::impl::delete_configuration (QMainWindow * main_window, QMenu
else
{
if (MessageBox::Yes != MessageBox::query_message (main_window,
tr ("Delete Configuration"),
tr ("Confirm deletion of configuration \"%1\"?")
.arg (target_name)))
{
return;
}
tr ("Delete Configuration"),
tr ("Confirm deletion of configuration \"%1\"?")
.arg (target_name)))
{
return;
}
auto const& current_group = settings_.group ();
if (current_group.size ()) settings_.endGroup ();
SettingsGroup alternatives {&settings_, multi_settings_root_group};

74
MultiSettings.hpp
View File

@ -3,60 +3,60 @@
#include <QObject>
#include <QVariant>
#include <QString>
#include "pimpl_h.hpp"
class QSettings;
class QMainWindow;
class QMenu;
class QString;
//
// MultiSettings - Manage multiple configuration names
//
// Responsibilities:
//
// MultiSettings allows a Qt application to be run with alternative
// settings as stored in a QSettings INI style file. As far as the
// application is concerned it uses the QSettings instance returned
// by the MultiSettings::settings() method as if it were the one and
// only QSettings object. The alternative settings are stored as
// QSettings groups which are children of a root level group called
// MultiSettings. The current settings are themselves stored at the
// root so the QSettings group name MultiSettings is reserved. Also
// at the root level a key called CurrentMultiSettingsConfiguration
// is reserved to store the current configuration name.
// MultiSettings allows a Qt application to be run with alternative
// settings as stored in a QSettings INI style file. As far as the
// application is concerned it uses the QSettings instance returned
// by the MultiSettings::settings() method as if it were the one and
// only QSettings object. The alternative settings are stored as
// QSettings groups which are children of a root level group called
// MultiSettings. The current settings are themselves stored at the
// root so the QSettings group name MultiSettings is reserved. Also
// at the root level a key called CurrentMultiSettingsConfiguration
// is reserved to store the current configuration name.
//
//
// Example Usage:
//
// #include <QApplication>
// #include "MultiSettings.hpp"
// #include "MyMainWindow.hpp"
// #include "MultiSettings.hpp"
// #include "MyMainWindow.hpp"
//
// int main (int argc, char * argv[]) {
// QApplication a {argc, argv};
// MultiSettings multi_settings;
// int result;
// do {
// MyMainWindow main_window {&multi_settings};
// main_window.show ();
// result = a.exec ();
// } while (!result && !multi_settings.exit ());
// return result;
// }
// int main (int argc, char * argv[]) {
// QApplication a {argc, argv};
// MultiSettings multi_settings;
// int result;
// do {
// MyMainWindow main_window {&multi_settings};
// main_window.show ();
// result = a.exec ();
// } while (!result && !multi_settings.exit ());
// return result;
// }
//
// In the main window call MultiSettings::create_menu_actions() to
// populate an existing QMenu widget with the configuration switching
// and maintenance actions. This would normally be done in the main
// window class constructor:
// In the main window call MultiSettings::create_menu_actions() to
// populate an existing QMenu widget with the configuration switching
// and maintenance actions. This would normally be done in the main
// window class constructor:
//
// MyMainWindow::MyMainWindow (MultiSettings * multi_settings) {
// QSettings * settings {multi_settings->settings ()};
// // ...
// multi_settings->create_menu_actions (this, ui->configurations_menu);
// // ...
// }
// MyMainWindow::MyMainWindow (MultiSettings * multi_settings) {
// QSettings * settings {multi_settings->settings ()};
// // ...
// multi_settings->create_menu_actions (this, ui->configurations_menu);
// // ...
// }
//
class MultiSettings
@ -65,7 +65,11 @@ class MultiSettings
Q_OBJECT
public:
explicit MultiSettings ();
// config_name will be selected if it is an existing configuration
// name otherwise the last used configuration will be selected or
// the default configuration if none exist
explicit MultiSettings (QString const& config_name = QString {});
MultiSettings (MultiSettings const&) = delete;
MultiSettings& operator = (MultiSettings const&) = delete;
~MultiSettings ();

11
main.cpp
View File

@ -110,7 +110,7 @@ int main(int argc, char *argv[])
#if QT_VERSION >= 0x050200
QCommandLineParser parser;
parser.setApplicationDescription ("\nJT65A & JT9 Weak Signal Communications Program.");
parser.setApplicationDescription ("\nJT65, JT9, JT4, MSK144, QRA64, ISCAT & WSPR Weak Signal Communications Program.");
auto help_option = parser.addHelpOption ();
auto version_option = parser.addVersionOption ();
@ -120,6 +120,12 @@ int main(int argc, char *argv[])
, a.translate ("main", "rig-name"));
parser.addOption (rig_option);
// support for start up configuration
QCommandLineOption cfg_option (QStringList {} << "c" << "config"
, a.translate ("main", "Where <configuration> is an existing one.")
, a.translate ("main", "configuration"));
parser.addOption (cfg_option);
QCommandLineOption test_option (QStringList {} << "test-mode"
, a.translate ("main", "Writable files in test location. Use with caution, for testing only."));
parser.addOption (test_option);
@ -168,8 +174,9 @@ int main(int argc, char *argv[])
multiple = true;
}
// now we have the application name we can open the settings
MultiSettings multi_settings;
MultiSettings multi_settings {parser.value (cfg_option)};
// find the temporary files path
QDir temp_dir {QStandardPaths::writableLocation (QStandardPaths::TempLocation)};