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subsurface/core/settings/qPrefPrivate.h
Berthold Stoeger ccdd92aeb7 preferences: use std::string in struct preferences 
This is a messy commit, because the "qPref" system relies
heavily on QString, which means lots of conversions between
the two worlds. Ultimately, I plan to base the preferences
system on std::string and only convert to QString when
pushing through Qt's property system or when writing into
Qt's settings.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2024-08-13 19:28:30 +02:00

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// SPDX-License-Identifier: GPL-2.0
#ifndef QPREFPRIVATE_H
#define QPREFPRIVATE_H
// Header used by all qPref<class> implementations to avoid duplicating code
#include "core/qthelper.h"
#include "qPref.h"
#include <QObject>
#include <QDebug>
#include <QVariant>
// implementation class of the interface classes
class qPrefPrivate {
public:
// Helper functions
static void propSetValue(const QString &key, const QVariant &value, const QVariant &defaultValue);
static void propSetValue(const QString &key, const std::string &value, const std::string &defaultValue);
static QVariant propValue(const QString &key, const QVariant &defaultValue);
static QVariant propValue(const QString &key, const std::string &defaultValue);
private:
qPrefPrivate() {}
};
// helper function to ensure there's a '/' between group and name
extern QString keyFromGroupAndName(QString group, QString name);
//******* Macros to generate disk function
#define DISK_LOADSYNC_BOOL_EXT(usegroup, name, field, usestruct) \
void qPref##usegroup::disk_##field(bool doSync) \
{ \
static bool current_state; \
if (doSync) { \
if (current_state != prefs.usestruct field) { \
current_state = prefs.usestruct field; \
qPrefPrivate::propSetValue(keyFromGroupAndName(group, name), prefs.usestruct field, default_prefs.usestruct field); \
} \
} else { \
prefs.usestruct field = qPrefPrivate::propValue(keyFromGroupAndName(group, name), default_prefs.usestruct field).toBool(); \
current_state = prefs.usestruct field; \
} \
}
#define DISK_LOADSYNC_BOOL(usegroup, name, field) \
DISK_LOADSYNC_BOOL_EXT(usegroup, name, field, )
#define DISK_LOADSYNC_DOUBLE_EXT(usegroup, name, field, usestruct) \
void qPref##usegroup::disk_##field(bool doSync) \
{ \
static double current_state; \
if (doSync) { \
if (current_state != prefs.usestruct field) { \
current_state = prefs.usestruct field; \
qPrefPrivate::propSetValue(keyFromGroupAndName(group, name), prefs.usestruct field, default_prefs.usestruct field); \
} \
} else { \
prefs.usestruct field = qPrefPrivate::propValue(keyFromGroupAndName(group, name), default_prefs.usestruct field).toDouble(); \
current_state = prefs.usestruct field; \
} \
}
#define DISK_LOADSYNC_DOUBLE(usegroup, name, field) \
DISK_LOADSYNC_DOUBLE_EXT(usegroup, name, field, )
#define DISK_LOADSYNC_ENUM_EXT(usegroup, name, type, field, usestruct) \
void qPref##usegroup::disk_##field(bool doSync) \
{ \
static enum type current_state; \
if (doSync) { \
if (current_state != prefs.usestruct field) { \
current_state = prefs.usestruct field; \
qPrefPrivate::propSetValue(keyFromGroupAndName(group, name), prefs.usestruct field, default_prefs.usestruct field); \
} \
} else { \
prefs.usestruct field = (enum type)qPrefPrivate::propValue(keyFromGroupAndName(group, name), default_prefs.usestruct field).toInt(); \
current_state = prefs.usestruct field; \
} \
}
#define DISK_LOADSYNC_ENUM(usegroup, name, type, field) \
DISK_LOADSYNC_ENUM_EXT(usegroup, name, type, field, )
#define DISK_LOADSYNC_INT_EXT(usegroup, name, field, usestruct) \
void qPref##usegroup::disk_##field(bool doSync) \
{ \
static int current_state; \
if (doSync) { \
if (current_state != prefs.usestruct field) { \
current_state = prefs.usestruct field; \
qPrefPrivate::propSetValue(keyFromGroupAndName(group, name), prefs.usestruct field, default_prefs.usestruct field); \
} \
} else { \
prefs.usestruct field = qPrefPrivate::propValue(keyFromGroupAndName(group, name), default_prefs.usestruct field).toInt(); \
current_state = prefs.usestruct field; \
} \
}
#define DISK_LOADSYNC_INT(usegroup, name, field) \
DISK_LOADSYNC_INT_EXT(usegroup, name, field, )
#define DISK_LOADSYNC_INT_DEF_EXT(usegroup, name, field, defval, usestruct) \
void qPref##usegroup::disk_##field(bool doSync) \
{ \
static int current_state; \
if (doSync) { \
if (current_state != prefs.usestruct field) { \
current_state = prefs.usestruct field; \
qPrefPrivate::propSetValue(keyFromGroupAndName(group, name), prefs.usestruct field, default_prefs.usestruct field); \
} \
} else { \
prefs.usestruct field = qPrefPrivate::propValue(keyFromGroupAndName(group, name), defval).toInt(); \
current_state = prefs.usestruct field; \
} \
}
#define DISK_LOADSYNC_INT_DEF(usegroup, name, field, defval) \
DISK_LOADSYNC_INT_DEF_EXT(usegroup, name, field, defval, )
#define DISK_LOADSYNC_STRUCT_EXT(usegroup, name, field, var, usestruct) \
void qPref##usegroup::disk_##field(bool doSync) \
{ \
static int current_state; \
if (doSync) { \
if (current_state != prefs.usestruct field . var) { \
current_state = prefs.usestruct field . var; \
qPrefPrivate::propSetValue(keyFromGroupAndName(group, name), prefs.usestruct field . var, default_prefs.usestruct field . var); \
} \
} else { \
prefs.usestruct field . var = qPrefPrivate::propValue(keyFromGroupAndName(group, name), default_prefs.usestruct field . var).toInt(); \
current_state = prefs.usestruct field . var; \
} \
}
#define DISK_LOADSYNC_STRUCT(usegroup, name, field, var) \
DISK_LOADSYNC_STRUCT_EXT(usegroup, name, field, var, )
#define DISK_LOADSYNC_TXT_EXT(usegroup, name, field, usestruct) \
void qPref##usegroup::disk_##field(bool doSync) \
{ \
static std::string current_state; \
if (doSync) { \
if (current_state != prefs.usestruct field) { \
current_state = prefs.usestruct field; \
qPrefPrivate::propSetValue(keyFromGroupAndName(group, name), QString::fromStdString(prefs.usestruct field), QString::fromStdString(default_prefs.usestruct field)); \
} \
} else { \
prefs.usestruct field = qPrefPrivate::propValue(keyFromGroupAndName(group, name), QString::fromStdString(default_prefs.usestruct field)).toString().toStdString(); \
current_state = prefs.usestruct field; \
} \
}
#define DISK_LOADSYNC_TXT_EXT_ALT(usegroup, name, field, usestruct, alt) \
void qPref##usegroup::disk_##field##alt(bool doSync) \
{ \
static std::string current_state; \
if (doSync) { \
if (current_state != prefs.usestruct ## alt .field) { \
current_state = prefs.usestruct ## alt .field; \
qPrefPrivate::propSetValue(keyFromGroupAndName(group, name), QString::fromStdString(prefs.usestruct ##alt .field), QString::fromStdString(default_prefs.usestruct ##alt .field)); \
} \
} else { \
prefs.usestruct ##alt .field = qPrefPrivate::propValue(keyFromGroupAndName(group, name), QString::fromStdString(default_prefs.usestruct ##alt .field)).toString().toStdString(); \
current_state = prefs.usestruct ##alt .field; \
} \
}
#define DISK_LOADSYNC_TXT(usegroup, name, field) \
DISK_LOADSYNC_TXT_EXT(usegroup, name, field, )
//******* Macros to generate set function
#define SET_PREFERENCE_BOOL_EXT(usegroup, field, usestruct) \
void qPref##usegroup::set_##field(bool value) \
{ \
if (value != prefs.usestruct field) { \
prefs.usestruct field = value; \
disk_##field(true); \
emit instance()->field##Changed(value); \
} \
}
#define SET_PREFERENCE_BOOL(usegroup, field) \
SET_PREFERENCE_BOOL_EXT(usegroup, field, )
#define SET_PREFERENCE_DOUBLE_EXT(usegroup, field, usestruct) \
void qPref##usegroup::set_##field(double value) \
{ \
if (value != prefs.usestruct field) { \
prefs.usestruct field = value; \
disk_##field(true); \
emit instance()->field##Changed(value); \
} \
}
#define SET_PREFERENCE_DOUBLE(usegroup, field) \
SET_PREFERENCE_DOUBLE_EXT(usegroup, field, )
#define SET_PREFERENCE_ENUM_EXT(usegroup, type, field, usestruct) \
void qPref##usegroup::set_##field(type value) \
{ \
if (value != prefs.usestruct field) { \
prefs.usestruct field = value; \
disk_##field(true); \
emit instance()->field##Changed(value); \
} \
}
#define SET_PREFERENCE_ENUM(usegroup, type, field) \
SET_PREFERENCE_ENUM_EXT(usegroup, type, field, )
#define SET_PREFERENCE_INT_EXT(usegroup, field, usestruct) \
void qPref##usegroup::set_##field(int value) \
{ \
if (value != prefs.usestruct field) { \
prefs.usestruct field = value; \
disk_##field(true); \
emit instance()->field##Changed(value); \
} \
}
#define SET_PREFERENCE_INT(usegroup, field) \
SET_PREFERENCE_INT_EXT(usegroup, field, )
#define SET_PREFERENCE_STRUCT_EXT(usegroup, field, var, usestruct) \
void qPref##usegroup::set_##field(int value) \
{ \
if (value != prefs.usestruct field . var) { \
prefs.usestruct field . var = value; \
disk_##field(true); \
emit instance()->field##Changed(value); \
} \
}
#define SET_PREFERENCE_STRUCT(usegroup, type, field, var) \
SET_PREFERENCE_STRUCT_EXT(usegroup, type, field, var, )
#define SET_PREFERENCE_TXT_EXT(usegroup, field, usestruct) \
void qPref##usegroup::set_##field(const QString &value) \
{ \
if (value.toStdString() != prefs.usestruct field) { \
prefs.usestruct field = value.toStdString(); \
disk_##field(true); \
emit instance()->field##Changed(value); \
} \
}
#define SET_PREFERENCE_TXT_EXT_ALT(usegroup, field, usestruct, alt) \
void qPref##usegroup::set_##field##alt(const QString &value) \
{ \
if (value.toStdString() != prefs.usestruct ##alt .field) { \
prefs.usestruct ##alt .field = value.toStdString(); \
disk_##field##alt(true); \
emit instance()->field##alt##Changed(value); \
} \
}
#define SET_PREFERENCE_TXT(usegroup, field) \
SET_PREFERENCE_TXT_EXT(usegroup, field, )
//******* Macros to generate set/set/loadsync combined
#define HANDLE_PREFERENCE_BOOL_EXT(usegroup, name, field, usestruct) \
SET_PREFERENCE_BOOL_EXT(usegroup, field, usestruct); \
DISK_LOADSYNC_BOOL_EXT(usegroup, name, field, usestruct);
#define HANDLE_PREFERENCE_BOOL(usegroup, name, field) \
HANDLE_PREFERENCE_BOOL_EXT(usegroup, name, field, )
#define HANDLE_PREFERENCE_DOUBLE_EXT(usegroup, name, field, usestruct) \
SET_PREFERENCE_DOUBLE_EXT(usegroup, field, usestruct); \
DISK_LOADSYNC_DOUBLE_EXT(usegroup, name, field, usestruct);
#define HANDLE_PREFERENCE_DOUBLE(usegroup, name, field) \
HANDLE_PREFERENCE_DOUBLE_EXT(usegroup, name, field, )
#define HANDLE_PREFERENCE_ENUM_EXT(usegroup, type, name, field, usestruct) \
SET_PREFERENCE_ENUM_EXT(usegroup, type, field, usestruct); \
DISK_LOADSYNC_ENUM_EXT(usegroup, name, type, field, usestruct);
#define HANDLE_PREFERENCE_ENUM(usegroup, type, name, field) \
HANDLE_PREFERENCE_ENUM_EXT(usegroup, type, name, field, )
#define HANDLE_PREFERENCE_INT_EXT(usegroup, name, field, usestruct) \
SET_PREFERENCE_INT_EXT(usegroup, field, usestruct); \
DISK_LOADSYNC_INT_EXT(usegroup, name, field, usestruct);
#define HANDLE_PREFERENCE_INT(usegroup, name, field) \
HANDLE_PREFERENCE_INT_EXT(usegroup, name, field, )
#define HANDLE_PREFERENCE_INT_DEF_EXT(usegroup, name, field, defval, usestruct) \
SET_PREFERENCE_INT_EXT(usegroup, field, usestruct); \
DISK_LOADSYNC_INT_DEF_EXT(usegroup, name, field, defval, usestruct);
#define HANDLE_PREFERENCE_INT_DEF(usegroup, name, field, defval) \
HANDLE_PREFERENCE_INT_DEF_EXT(usegroup, name, field, defval, )
#define HANDLE_PREFERENCE_STRUCT_EXT(usegroup, name, field, var, usestruct) \
SET_PREFERENCE_STRUCT_EXT(usegroup, field, var, usestruct) \
DISK_LOADSYNC_STRUCT_EXT(usegroup, name, field, var, usestruct)
#define HANDLE_PREFERENCE_STRUCT(usegroup, name, field, var) \
HANDLE_PREFERENCE_STRUCT_EXT(usegroup, name, field, var, )
#define HANDLE_PREFERENCE_TXT_EXT(usegroup, name, field, usestruct) \
SET_PREFERENCE_TXT_EXT(usegroup, field, usestruct); \
DISK_LOADSYNC_TXT_EXT(usegroup, name, field, usestruct);
#define HANDLE_PREFERENCE_TXT(usegroup, name, field) \
HANDLE_PREFERENCE_TXT_EXT(usegroup, name, field, )
#define HANDLE_PREFERENCE_TXT_EXT_ALT(usegroup, name, field, usestruct, alt) \
SET_PREFERENCE_TXT_EXT_ALT(usegroup, field, usestruct, alt); \
DISK_LOADSYNC_TXT_EXT_ALT(usegroup, name, field, usestruct, alt);
#define HANDLE_PROP_QPOINTF(useclass, name, field) \
void qPref##useclass::set_##field(const QPointF& value) \
{ \
if (value != st_##field) { \
st_##field = value; \
qPrefPrivate::propSetValue(name, st_##field, QPointF()); \
emit instance()->field##Changed(value); \
} \
} \
void qPref##useclass::load_##field() \
{ \
st_##field = qPrefPrivate::propValue(name, st_##field##_default).toPointF(); \
}
#define HANDLE_PROP_QSTRING(useclass, name, field) \
void qPref##useclass::set_##field(const QString& value) \
{ \
if (value != st_##field) { \
st_##field = value; \
qPrefPrivate::propSetValue(name, st_##field, ""); \
emit instance()->field##Changed(value); \
} \
} \
void qPref##useclass::load_##field() \
{ \
st_##field = qPrefPrivate::propValue(name, st_##field##_default).toString(); \
}
#define HANDLE_PROP_BOOL(useclass, name, field) \
void qPref##useclass::set_##field(bool value) \
{ \
if (value != st_##field) { \
st_##field = value; \
qPrefPrivate::propSetValue(name, st_##field, false); \
emit instance()->field##Changed(value); \
} \
} \
void qPref##useclass::load_##field() \
{ \
st_##field = qPrefPrivate::propValue(name, st_##field##_default).toBool(); \
}
#define HANDLE_PROP_DOUBLE(useclass, name, field) \
void qPref##useclass::set_##field(double value) \
{ \
if (value != st_##field) { \
st_##field = value; \
qPrefPrivate::propSetValue(name, st_##field, 0.0); \
emit instance()->field##Changed(value); \
} \
} \
void qPref##useclass::load_##field() \
{ \
st_##field = qPrefPrivate::propValue(name, st_##field##_default).toDouble(); \
}
#define HANDLE_PROP_INT(useclass, name, field) \
void qPref##useclass::set_##field(int value) \
{ \
if (value != st_##field) { \
st_##field = value; \
qPrefPrivate::propSetValue(name, st_##field, 0); \
emit instance()->field##Changed(value); \
} \
} \
void qPref##useclass::load_##field() \
{ \
st_##field = qPrefPrivate::propValue(name, st_##field##_default).toInt(); \
}
#define HANDLE_PROP_QBYTEARRAY(useclass, name, field) \
void qPref##useclass::set_##field(const QByteArray& value) \
{ \
if (value != st_##field) { \
st_##field = value; \
qPrefPrivate::propSetValue(name, st_##field, QByteArray()); \
emit instance()->field##Changed(value); \
} \
} \
void qPref##useclass::load_##field() \
{ \
st_##field = qPrefPrivate::propValue(name, st_##field##_default).toByteArray(); \
}
#endif
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