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#include "cru/ui/style/Trigger.hpp"
#include "cru/ui/controls/Control.hpp"
#include "cru/ui/helper/ClickDetector.hpp"
namespace cru::ui::style {
void Trigger::Raise(bool value) {
if (value == current_) return;
current_ = value;
change_event_.Raise(value);
}
CompoundTrigger::CompoundTrigger(std::vector<Trigger*> triggers)
: triggers_(std::move(triggers)) {
for (auto trigger : triggers_) {
guard_ += trigger->ChangeEvent()->AddHandler(
[this](bool) { Raise(this->CalculateState(triggers_)); });
}
}
bool AndTrigger::CalculateState(const std::vector<Trigger*>& triggers) const {
for (auto trigger : triggers) {
if (!trigger->GetState()) return false;
}
return true;
}
bool OrTrigger::CalculateState(const std::vector<Trigger*>& triggers) const {
for (auto trigger : triggers) {
if (trigger->GetState()) return true;
}
return false;
}
FocusTrigger::FocusTrigger(controls::Control* control, bool has_focus)
: has_focus_(has_focus) {
guard_ += control->GainFocusEvent()->Direct()->AddHandler(
[this](auto) { Raise(has_focus_); });
guard_ += control->LoseFocusEvent()->Direct()->AddHandler(
[this](auto) { Raise(!has_focus_); });
}
ClickStateTrigger::ClickStateTrigger(controls::IClickableControl* control,
helper::ClickState click_state)
: click_state_(click_state) {
guard_ += control->ClickStateChangeEvent()->AddHandler(
[this](helper::ClickState cs) { Raise(cs == click_state_); });
}
} // namespace cru::ui::style
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