QT-侧靠动画窗口-隐藏和显示窗体

#include "SidePanel.hpp" #include "math.hpp" #include "side_panel_helpers.hpp" #include <QDebug> void SidePanel::_setState(const SidePanelState new_state) { if(_state == new_state) return; _state = new_state; emit stateChanged(_state); } // ----------------------------------------------------------------------------- #include <QEvent> bool SidePanel::eventFilter(QObject *watched, QEvent *event) { // Important note: DONT RETURN TRUE here, on event receive, because it's // blocks events handling, if few panels binded to the same parent widget if(event->type() == QEvent::Resize) { switch (_state) { case SidePanelState::Opened: { const auto geom = getOpenedRect(this->parentWidget()->rect()); this->setGeometry( geom ); this->updateHandlerRect(_anim_progress, geom); } break; case SidePanelState::Closed: { const auto geom = getClosedRect(this->parentWidget()->rect()); this->setGeometry( geom ); this->updateHandlerRect(_anim_progress, geom); } break; } // return true; } else if(event->type() == QEvent::Move) { switch (_state) { case SidePanelState::Opened: { const auto geom = getOpenedRect(this->parentWidget()->rect()); this->setGeometry( geom ); this->updateHandlerRect(_anim_progress, geom); } break; case SidePanelState::Closed: { const auto geom = getClosedRect(this->parentWidget()->rect()); this->setGeometry( geom ); this->updateHandlerRect(_anim_progress, geom); } break; } // return true; } return base_t::eventFilter(watched, event); } // ----------------------------------------------------------------------------- void SidePanel::updateHandlerRect(const qreal progress, const QRect& geom) { const QRect handle_geom = alignedHandlerRect( geom, _handler->size() , progress); _handler->setGeometry( handle_geom ); } SidePanel::SidePanel(QWidget *parent) : base_t(parent) { /* ====================================================================== This is the place, where NO member std::function IMMEDIATE call alowed. Call them in init() method ====================================================================== */ const auto anim_func = [this](qreal t) -> void { const QRect parent_rect = this->parentWidget()->rect(); const QRectF geom_start = getClosedRect(parent_rect); const QRectF geom_end = getOpenedRect(parent_rect); const QRect new_geom = q_sp::lerp(t, geom_start, geom_end).toRect(); this->setGeometry( new_geom ); updateHandlerRect(_anim_progress, new_geom); qDebug() << new_geom << t; }; _timer = new QTimer(this); _timer->setInterval(10); connect(_timer, &QTimer::timeout, this, [this, anim_func] { const auto time_now = std::chrono::system_clock::now(); if((time_now - _time_start) >= _duration) { _timer->stop(); // This setGeometry() for cases when duration=200ms, interval_time=100ms; switch (_state) { case SidePanelState::Opening: { const auto geom = getOpenedRect(this->parentWidget()->rect()); this->setGeometry( geom ); _anim_progress = 1.0; updateHandlerRect(_anim_progress, geom); } break; case SidePanelState::Closing: { const auto geom = getClosedRect(this->parentWidget()->rect()); this->setGeometry( geom ); _anim_progress = 0.0; updateHandlerRect(_anim_progress, geom); } break; default: break; } switch (_state) { case SidePanelState::Opening: { this->show(); _setState(SidePanelState::Opened); } break; case SidePanelState::Closing: { this->hide(); _setState(SidePanelState::Closed); } break; default: break; } return; } const auto time_end = (_time_start + _duration); // [t_start .. t_now .. t_end] -> [0.0 .. t .. 1.0] qreal t = q_sp::scale( time_now.time_since_epoch().count(), _time_start.time_since_epoch().count(), time_end.time_since_epoch().count(), 0.0, 1.0); if(_state == SidePanelState::Closing) // On closing - reverse it t = (1.0 - t); _anim_progress = t; // Pass normalized value through easing functions if(_state == SidePanelState::Opening) { t = curve_on_open.valueForProgress(t); } else if(_state == SidePanelState::Closing) { t = curve_on_close.valueForProgress(t); } anim_func(t); }); _handler = new HandlerWidgetT(parent); _handler->setObjectName("SidePanel_handler"); // ========================================================================= // Default behaviour basically the same as PanelLeftSide this->getOpenedRect = [this](const QRect& parent_rect) -> QRect { return q_sp::rect_opened_left(getPanelSize(), parent_rect); }; this->getClosedRect = [this](const QRect& parent_rect) -> QRect { return q_sp::rect_closed_left(getPanelSize(), parent_rect); }; // ------------------------------------------------------------------------- this->alignedHandlerRect = [](const QRect& panel_geom, const QSize& handler_size, qreal) -> QRect { return q_sp::rect_aligned_right_center(panel_geom, handler_size); }; // ------------------------------------------------------------------------- this->initialHandlerSize = [this]() -> QSize { return this->_handler->size(); }; // ------------------------------------------------------------------------- this->updateHandler = [](const SidePanelState state, HandlerWidgetT* handler) { Q_UNUSED(state); Q_UNUSED(handler); }; } SidePanel::~SidePanel() { if(_timer != nullptr) { _timer->stop(); delete _timer; _timer = nullptr; } if(_handler != nullptr) { delete _handler; _handler = nullptr; } if(parentWidget()) { removeEventFilter(this); } } void SidePanel::init() { QTimer::singleShot(0, [this] { _handler->resize( initialHandlerSize() ); updateHandler(_state, _handler); }); connect(_handler, &QAbstractButton::clicked, this, [this] { if(_timer->isActive()) { qDebug() << "CLICK DURING ANIMATION"; switch (_state) { case SidePanelState::Opening: { _setState(SidePanelState::Closing); } break; case SidePanelState::Closing: { _setState(SidePanelState::Opening); } break; default: break; } } else { switch (_state) { case SidePanelState::Closed: { this->show(); _setState(SidePanelState::Opening); } break; case SidePanelState::Opened: { this->show(); _setState(SidePanelState::Closing); } break; default: break; } _time_start = std::chrono::system_clock::now(); _timer->start(); } }); connect(this, &SidePanel::stateChanged, _handler, [this](SidePanelState state) { updateHandler(state, _handler); }); this->parentWidget()->installEventFilter(this); // this->hide(); QTimer::singleShot(0, [this] { const auto geom = getClosedRect(this->parentWidget()->rect()); this->setGeometry( geom ); _anim_progress = 0.0; updateHandlerRect(_anim_progress, geom); }); } // ----------------------------------------------------------------------------- void SidePanel::openPanel() { _timer->stop(); // Stop animation, if it's running this->show(); const QRect new_geom = getOpenedRect(this->parentWidget()->rect()); this->setGeometry( new_geom ); _anim_progress = 1.0; updateHandlerRect(_anim_progress, new_geom); _setState(SidePanelState::Op