1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/* Copyright (c) 2015-2016, Stanislaw Halik <sthalik@misaki.pl>
* Permission to use, copy, modify, and/or distribute this
* software for any purpose with or without fee is hereby granted,
* provided that the above copyright notice and this permission
* notice appear in all copies.
*/
#pragma once
#include "export.hpp"
#include "bundle.hpp"
#include "slider.hpp"
#include "base-value.hpp"
#include "value-traits.hpp"
#include "compat/macros.hpp"
#include <type_traits>
#include <typeinfo>
#include <QMetaType>
namespace options::detail {
template<typename t>
struct dereference_wrapper final
{
cc_forceinline constexpr t const* operator->() const { return &x; }
cc_forceinline constexpr t* operator->() { return &x; }
t x;
constexpr explicit cc_forceinline dereference_wrapper(t&& x) : x(x) {}
};
} // ns options::detail
namespace options {
template<typename t>
class value final : public value_
{
const t def;
using traits = detail::value_traits<t>;
using stored_type = typename traits::stored_type;
static bool is_equal(const QVariant& val1, const QVariant& val2)
{
return val1.value<stored_type>() == val2.value<stored_type>();
}
cc_noinline
t get() const
{
if (self_name.isEmpty())
return def;
QVariant variant = b->get<QVariant>(self_name);
if (!b->contains(self_name) || variant.type() == QVariant::Invalid)
return def;
const stored_type x { variant.value<stored_type>() };
return traits::from_value(traits::from_storage(x), def);
}
friend class detail::connector;
void bundle_value_changed() const override
{
if (!self_name.isEmpty())
emit valueChanged(traits::to_storage(get()));
}
void store_variant(const QVariant& value) override
{
if (self_name.isEmpty())
return;
if (value.type() == qMetaTypeId<stored_type>())
b->store_kv(self_name, value);
else
operator=(traits::value_from_variant(value));
}
public:
cc_noinline
value<t>& operator=(const t& datum)
{
if (self_name.isEmpty())
return *this;
if (datum != get())
b->store_kv(self_name, QVariant::fromValue<stored_type>(traits::to_storage(datum)));
return *this;
}
static constexpr inline Qt::ConnectionType DIRECT_CONNTYPE = Qt::DirectConnection;
static constexpr inline Qt::ConnectionType SAFE_CONNTYPE = Qt::QueuedConnection;
cc_noinline
value(bundle b, const QString& name, t def) :
value_(b, name, &is_equal, std::type_index(typeid(stored_type))),
def(def)
{
if (!self_name.isEmpty())
QObject::connect(b.get(), &detail::bundle::reloading,
this, &value_::reload,
DIRECT_CONNTYPE);
}
cc_noinline
t default_value() const
{
return def;
}
cc_noinline
void set_to_default() override
{
*this = def;
}
operator t() const { return get(); } // NOLINT
template<typename u, typename = decltype(static_cast<u>(std::declval<t>()))>
explicit cc_forceinline operator u() const { return to<u>(); }
auto operator->() const
{
return detail::dereference_wrapper<t>{get()};
}
cc_noinline
void reload() override
{
#if 0
if (!self_name.isEmpty())
store(traits::to_storage(get()));
#endif
}
cc_forceinline t operator()() const { return get(); }
cc_forceinline t operator*() const { return get(); }
template<typename u>
u to() const
{
return static_cast<u>(get());
}
};
// some linker problems
#if !defined __APPLE__
# if !defined OTR_INST_VALUE
# define OTR_INST_VALUE OTR_TEMPLATE_IMPORT
# endif
OTR_INST_VALUE(value<double>);
OTR_INST_VALUE(value<float>);
OTR_INST_VALUE(value<int>);
OTR_INST_VALUE(value<bool>);
OTR_INST_VALUE(value<QString>);
OTR_INST_VALUE(value<slider_value>);
OTR_INST_VALUE(value<QPointF>);
OTR_INST_VALUE(value<QVariant>);
OTR_INST_VALUE(value<QList<double>>);
OTR_INST_VALUE(value<QList<float>>);
OTR_INST_VALUE(value<QList<int>>);
OTR_INST_VALUE(value<QList<bool>>);
OTR_INST_VALUE(value<QList<QString>>);
OTR_INST_VALUE(value<QList<slider_value>>);
OTR_INST_VALUE(value<QList<QPointF>>);
OTR_INST_VALUE(value<QList<QVariant>>);
#endif
} // ns options
|
