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author | crupest <crupest@outlook.com> | 2020-05-24 01:40:02 +0800 |
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committer | crupest <crupest@outlook.com> | 2020-05-24 01:40:02 +0800 |
commit | d86a71f79afe0e4dac768f61d6bff690567aca5b (patch) | |
tree | 4957e9a64c77680deb07201fbd879bf036616dae /src/ui/click_detector.cpp | |
parent | f3a8fd608a9776ef0a5f547da918a32cf6074060 (diff) | |
download | cru-d86a71f79afe0e4dac768f61d6bff690567aca5b.tar.gz cru-d86a71f79afe0e4dac768f61d6bff690567aca5b.tar.bz2 cru-d86a71f79afe0e4dac768f61d6bff690567aca5b.zip |
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Diffstat (limited to 'src/ui/click_detector.cpp')
-rw-r--r-- | src/ui/click_detector.cpp | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/src/ui/click_detector.cpp b/src/ui/click_detector.cpp deleted file mode 100644 index 3f342a31..00000000 --- a/src/ui/click_detector.cpp +++ /dev/null @@ -1,129 +0,0 @@ -#include "cru/ui/click_detector.hpp" - -#include "cru/common/logger.hpp" - -#include <optional> - -namespace cru::ui { -ClickDetector::ClickDetector(Control* control) { - Expects(control); - control_ = control; - - event_rovoker_guards_.push_back( - EventRevokerGuard(control->MouseEnterEvent()->Direct()->AddHandler( - [this](event::MouseEventArgs&) { - if (this->enable_) { - if (this->state_ == ClickState::PressInactive) { - if ((this->button_ & this->trigger_button_)) { - this->SetState(ClickState::Press); - } - } else { - this->SetState(ClickState::Hover); - } - } - }))); - - event_rovoker_guards_.push_back( - EventRevokerGuard(control->MouseLeaveEvent()->Direct()->AddHandler( - [this](event::MouseEventArgs&) { - if (this->enable_) { - if (this->state_ == ClickState::Press) { - if ((this->button_ & this->trigger_button_)) { - this->SetState(ClickState::PressInactive); - } - } else { - this->SetState(ClickState::None); - } - } - }))); - - event_rovoker_guards_.push_back( - EventRevokerGuard(control->MouseDownEvent()->Direct()->AddHandler( - [this](event::MouseButtonEventArgs& args) { - const auto button = args.GetButton(); - if (this->enable_ && (button & this->trigger_button_) && - this->state_ == ClickState::Hover) { - if (!this->control_->CaptureMouse()) { - log::Debug("Failed to capture mouse when begin click."); - return; - } - this->down_point_ = args.GetPoint(); - this->button_ = button; - this->SetState(ClickState::Press); - } - }))); - - event_rovoker_guards_.push_back( - EventRevokerGuard(control->MouseUpEvent()->Direct()->AddHandler( - [this](event::MouseButtonEventArgs& args) { - const auto button = args.GetButton(); - if (this->enable_ && (button & this->trigger_button_) && - button == button_) { - if (this->state_ == ClickState::Press) { - this->SetState(ClickState::Hover); - this->event_.Raise(ClickEventArgs{this->control_, - this->down_point_, - args.GetPoint(), button}); - this->control_->ReleaseMouse(); - } else if (this->state_ == ClickState::PressInactive) { - this->SetState(ClickState::None); - this->control_->ReleaseMouse(); - } - } - }))); -} // namespace cru::ui - -void ClickDetector::SetEnabled(bool enable) { - if (enable == enable_) { - return; - } - - enable_ = enable; - if (enable) { - SetState(control_->IsMouseOver() ? ClickState::Hover : ClickState::None); - } else { - if (state_ == ClickState::Press || state_ == ClickState::PressInactive) { - SetState(ClickState::None); - control_->ReleaseMouse(); - } else if (state_ == ClickState::Hover) { - SetState(ClickState::None); - } - } -} - -void ClickDetector::SetTriggerButton(MouseButton trigger_button) { - if (trigger_button == trigger_button_) { - return; - } - - trigger_button_ = trigger_button; - if ((state_ == ClickState::Press || state_ == ClickState::PressInactive) && - !(button_ & trigger_button)) { - SetState(control_->IsMouseOver() ? ClickState::Hover : ClickState::None); - control_->ReleaseMouse(); - } -} - -void ClickDetector::SetState(ClickState state) { -#ifdef CRU_DEBUG - auto to_string = [](ClickState state) -> std::string_view { - switch (state) { - case ClickState::None: - return "None"; - case ClickState::Hover: - return "Hover"; - case ClickState::Press: - return "Press"; - case ClickState::PressInactive: - return "PressInvactive"; - default: - UnreachableCode(); - } - }; - log::Debug("Click state changed, new state: {}.", to_string(state)); -#endif - - state_ = state; - state_change_event_.Raise(state); -} -} // namespace cru::ui |