Utils: Simplify builderutils code

Use variadic template for Arg class.

Change-Id: I04fa001ac2b6e733d4f6c20d976c1658faad7904
Reviewed-by: hjk <hjk@qt.io>
This commit is contained in:
Jarek Kobus
2024-07-04 15:23:25 +02:00
parent ceef13538c
commit 0e3f62b5cc
2 changed files with 18 additions and 60 deletions

View File

@@ -25,43 +25,11 @@ public:
const Arg arg; // FIXME: Could be const &, but this would currently break bindTo().
};
template<typename T1, typename T2>
struct Arg2
template <typename ...Args>
struct ArgTuple
{
Arg2(const T1 &a1, const T2 &a2)
: p1(a1)
, p2(a2)
{}
const T1 p1;
const T2 p2;
};
template<typename T1, typename T2, typename T3>
struct Arg3
{
Arg3(const T1 &a1, const T2 &a2, const T3 &a3)
: p1(a1)
, p2(a2)
, p3(a3)
{}
const T1 p1;
const T2 p2;
const T3 p3;
};
template<typename T1, typename T2, typename T3, typename T4>
struct Arg4
{
Arg4(const T1 &a1, const T2 &a2, const T3 &a3, const T4 &a4)
: p1(a1)
, p2(a2)
, p3(a3)
, p4(a4)
{}
const T1 p1;
const T2 p2;
const T3 p3;
const T4 p4;
ArgTuple(Args &&...args) : args(std::forward<Args>(args)...) {}
const std::tuple<std::decay_t<Args>...> args;
};
// The main dispatcher
@@ -90,22 +58,13 @@ public:
#define QTC_DEFINE_BUILDER_SETTER(name, setter) \
class name##_TAG {}; \
inline auto name(auto p) { return Building::IdAndArg{name##_TAG{}, p}; } \
inline void doit(auto x, name##_TAG, auto p) { x->setter(p); }
#define QTC_DEFINE_BUILDER_SETTER2(name, setter) \
class name##_TAG {}; \
inline auto name(auto p1, auto p2) { return Building::IdAndArg{name##_TAG{}, Building::Arg2{p1, p2}}; } \
inline void doit(auto x, name##_TAG, auto p) { x->setter(p.p1, p.p2); }
#define QTC_DEFINE_BUILDER_SETTER3(name, setter) \
class name##_TAG {}; \
inline auto name(auto p1, auto p2, auto p3) { return Building::IdAndArg{name##_TAG{}, Building::Arg3{p1, p2, p3}}; } \
inline void doit(auto x, name##_TAG, auto p) { x->setter(p.p1, p.p2, p.p3); }
#define QTC_DEFINE_BUILDER_SETTER4(name, setter) \
class name##_TAG {}; \
inline auto name(auto p1, auto p2, auto p3, auto p4) { return Building::IdAndArg{name##_TAG{}, Building::Arg4{p1, p2, p3, p4}}; } \
inline void doit(auto x, name##_TAG, auto p) { x->setter(p.p1, p.p2, p.p3, p.p4); }
template <typename ...Args> \
inline auto name(Args &&...args) { \
return Building::IdAndArg{name##_TAG{}, Building::ArgTuple<Args...>{std::forward<Args>(args)...}}; \
} \
template <typename L, typename ...Args> \
inline void doit(L *x, name##_TAG, const Building::ArgTuple<Args...> &arg) { \
std::apply(&L::setter, std::tuple_cat(std::make_tuple(x), arg.args)); \
}
} // Building

View File

@@ -414,12 +414,11 @@ QTC_DEFINE_BUILDER_SETTER(toolTip, setToolTip)
QTC_DEFINE_BUILDER_SETTER(windowTitle, setWindowTitle)
QTC_DEFINE_BUILDER_SETTER(wordWrap, setWordWrap);
QTC_DEFINE_BUILDER_SETTER(orientation, setOrientation);
QTC_DEFINE_BUILDER_SETTER2(columnStretch, setColumnStretch)
QTC_DEFINE_BUILDER_SETTER2(onClicked, onClicked)
QTC_DEFINE_BUILDER_SETTER2(onLinkHovered, onLinkHovered)
QTC_DEFINE_BUILDER_SETTER2(onTextChanged, onTextChanged)
QTC_DEFINE_BUILDER_SETTER2(stretchFactor, setStretchFactor)
QTC_DEFINE_BUILDER_SETTER4(customMargins, setContentsMargins)
QTC_DEFINE_BUILDER_SETTER(columnStretch, setColumnStretch)
QTC_DEFINE_BUILDER_SETTER(onClicked, onClicked)
QTC_DEFINE_BUILDER_SETTER(onLinkHovered, onLinkHovered)
QTC_DEFINE_BUILDER_SETTER(onTextChanged, onTextChanged)
QTC_DEFINE_BUILDER_SETTER(customMargins, setContentsMargins)
// Nesting dispatchers