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Add settings transform function

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This commit is contained in:
Dan Paulat 2024-06-21 20:47:53 -05:00
parent a7a30347ae
commit 45d3e45923
2 changed files with 22 additions and 6 deletions
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21
scwx-qt/source/scwx/qt/settings/settings_variable.cpp
View file

@ -30,6 +30,7 @@ public:
std::optional<T> staged_ {};
std::optional<T> minimum_ {};
std::optional<T> maximum_ {};
std::function<T(const T&)> transform_ {};
std::function<bool(const T&)> validator_ {nullptr};
boost::unordered_flat_map<boost::uuids::uuid, ValueCallbackFunction>
@ -79,7 +80,7 @@ bool SettingsVariable<T>::SetValue(const T& value)
if (Validate(value))
{
p->value_ = value;
p->value_ = (p->transform_ != nullptr) ? p->transform_(value) : value;
validated = true;
for (auto& callback : p->valueChangedCallbackFunctions_)
@ -102,7 +103,7 @@ bool SettingsVariable<T>::SetValueOrDefault(const T& value)
if (Validate(value))
{
p->value_ = value;
p->value_ = (p->transform_ != nullptr) ? p->transform_(value) : value;
validated = true;
}
else if (p->minimum_.has_value() && value < p->minimum_)
@ -182,9 +183,11 @@ bool SettingsVariable<T>::StageValue(const T& value)
if (Validate(value))
{
if (p->value_ != value)
T transformed = (p->transform_ != nullptr) ? p->transform_(value) : value;
if (p->value_ != transformed)
{
p->staged_ = value;
p->staged_ = transformed;
}
else
{
@ -195,7 +198,7 @@ bool SettingsVariable<T>::StageValue(const T& value)
for (auto& callback : p->valueStagedCallbackFunctions_)
{
callback.second(value);
callback.second(transformed);
}
}
@ -285,6 +288,12 @@ std::optional<T> SettingsVariable<T>::GetMaximum() const
return p->maximum_;
}
template<class T>
void SettingsVariable<T>::SetTransform(std::function<T(const T&)> transform)
{
p->transform_ = transform;
}
template<class T>
void SettingsVariable<T>::SetValidator(std::function<bool(const T&)> validator)
{
@ -384,7 +393,7 @@ bool SettingsVariable<T>::Equals(const SettingsVariableBase& o) const
// This is only ever called with SettingsVariable<T>, so static_cast is safe
const SettingsVariable<T>& v = static_cast<const SettingsVariable<T>&>(o);
// Don't compare validator
// Don't compare transform or validator
return SettingsVariableBase::Equals(o) && //
p->value_ == v.p->value_ && //
p->default_ == v.p->default_ && //

7
scwx-qt/source/scwx/qt/settings/settings_variable.hpp
View file

@ -165,6 +165,13 @@ public:
*/
void SetMaximum(const T& value);
/**
* Sets a custom transform function for the settings variable.
*
* @param transform Transform function
*/
void SetTransform(std::function<T(const T&)> transform);
/**
* Sets a custom validator function for the settings variable.
*