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/**
* @file options_for_QT.cpp
* Save the options which are needed to be changed to
* process the SIGNAL and SLOT QT macros.
* http://doc.qt.io/qt-4.8/qtglobal.html
*
* @author Guy Maurel since version 0.62 for uncrustify4Qt
* October 2015, 2016
* @license GPL v2+
*/
#include "options_for_QT.h"
#include "log_rules.h"
constexpr static auto LCURRENT = LQT;
using namespace uncrustify;
// for the modification of options within the SIGNAL/SLOT call.
bool QT_SIGNAL_SLOT_found = false;
size_t QT_SIGNAL_SLOT_level = 0;
bool restoreValues = false;
namespace
{
//-----------------------------------------------------------------------------
class temporary_iarf_option
{
public:
temporary_iarf_option(Option<iarf_e> *option,
iarf_e override_value = IARF_REMOVE)
: m_option{option}
, m_override_value{override_value}
{}
void save_and_override();
void restore();
private:
Option<iarf_e> *m_option;
const iarf_e m_override_value;
iarf_e m_saved_value = IARF_NOT_DEFINED;
};
//-----------------------------------------------------------------------------
void temporary_iarf_option::save_and_override()
{
m_saved_value = (*m_option)();
(*m_option) = m_override_value;
}
//-----------------------------------------------------------------------------
void temporary_iarf_option::restore()
{
(*m_option) = m_saved_value;
m_saved_value = IARF_NOT_DEFINED;
}
//-----------------------------------------------------------------------------
temporary_iarf_option for_qt_options[] =
{
{ &options::sp_inside_fparen },
// Issue #481
// connect( timer,SIGNAL( timeout() ),this,SLOT( timeoutImage() ) );
{ &options::sp_inside_fparens },
{ &options::sp_paren_paren },
{ &options::sp_before_comma },
{ &options::sp_after_comma },
// Bug #654
// connect(&mapper, SIGNAL(mapped(QString &)), this, SLOT(onSomeEvent(QString &)));
{ &options::sp_before_byref },
{ &options::sp_before_unnamed_byref },
{ &options::sp_after_type },
// Issue #1969
// connect( a, SIGNAL(b(c *)), this, SLOT(d(e *)) );
{ &options::sp_before_ptr_star },
{ &options::sp_before_unnamed_ptr_star },
// connect( a, SIGNAL(b(c< d >)), this, SLOT(e(f< g >)) );
{ &options::sp_inside_angle },
};
} // anonymous namespace
//-----------------------------------------------------------------------------
void save_set_options_for_QT(size_t level)
{
log_rule_B("use_options_overriding_for_qt_macros");
assert(options::use_options_overriding_for_qt_macros());
LOG_FMT(LGUY, "save values, level=%zu\n", level);
// save the values
QT_SIGNAL_SLOT_level = level;
for (auto &opt : for_qt_options)
{
opt.save_and_override();
}
QT_SIGNAL_SLOT_found = true;
}
//-----------------------------------------------------------------------------
void restore_options_for_QT()
{
log_rule_B("use_options_overriding_for_qt_macros");
assert(options::use_options_overriding_for_qt_macros());
LOG_FMT(LGUY, "restore values\n");
// restore the values we had before SIGNAL/SLOT
QT_SIGNAL_SLOT_level = 0;
for (auto &opt : for_qt_options)
{
opt.restore();
}
QT_SIGNAL_SLOT_found = false;
restoreValues = false;
}
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