File indexing completed on 2024-05-26 04:32:37

 /*
  *  SPDX-FileCopyrightText: 2009 Cyrille Berger <cberger@cberger.net>
  *  SPDX-FileCopyrightText: 2021 Deif Lou <ginoba@gmail.com>
  *
  *  SPDX-License-Identifier: LGPL-2.0-or-later
  */
 
 #ifndef _OVERVIEW_DOCK_H_
 #define _OVERVIEW_DOCK_H_
 
 #include <QPointer>
 #include <QDockWidget>
 #include <QVariantAnimation>
 
 #include <KoCanvasObserverBase.h>
 #include <kis_canvas2.h>
 
 class QVBoxLayout;
 class QHBoxLayout;
 class QToolButton;
 class OverviewWidget;
 class KisAngleSelector;
 
 class OverviewDockerDock : public QDockWidget, public KoCanvasObserverBase {
     Q_OBJECT
 public:
     OverviewDockerDock();
     ~OverviewDockerDock() override;
     QString observerName() override { return "OverviewDockerDock"; }
     void setCanvas(KoCanvasBase *canvas) override;
     void unsetCanvas() override;
 
 public Q_SLOTS:
     void mirrorUpdateIcon();
     void rotateCanvasView(qreal rotation);
     void updateSlider();
     void setPinControls(bool pin);
 
 protected:
     void resizeEvent(QResizeEvent*) override;
     void enterEvent(QEvent*) override;
     void leaveEvent(QEvent*) override;
     bool event(QEvent *e) override;
     bool eventFilter(QObject *o, QEvent *e) override;
 
 private:
     static constexpr int showControlsTimerDuration {500};
     // How much the cursor has to move to prevent the showing animation
     static constexpr double showControlsAreaRadius {4.0};
     static constexpr double showControlsAnimationDuration {150.0};
     static constexpr double touchDragDistance {8.0};
     static constexpr double touchDragDistanceSquared {touchDragDistance * touchDragDistance};
 
     QVBoxLayout *m_controlsLayout {nullptr};
     QHBoxLayout *m_controlsSecondRowLayout {nullptr};
     QWidget *m_page {nullptr};
     OverviewWidget *m_overviewWidget {nullptr};
     QWidget *m_controlsContainer {nullptr};
     QWidget *m_zoomSlider {nullptr};
     KisAngleSelector *m_rotateAngleSelector {nullptr};
     QToolButton *m_mirrorCanvas {nullptr};
     QToolButton *m_pinControlsButton {nullptr};
     QPointer<KisCanvas2> m_canvas;
     bool m_pinControls {true};
     bool m_cursorIsHover {false};
     bool m_isTouching {false};
     bool m_isDraggingWithTouch {false};
     int m_touchPointId {0};
     QPointF m_lastTouchPos;
     mutable QVariantAnimation m_showControlsAnimation;
     mutable QTimer m_showControlsTimer;
     mutable bool m_areControlsHidden {false};
     QPointF m_lastOverviewMousePos;
     double m_cumulatedMouseDistanceSquared {0.0};
 
     void layoutMainWidgets();
 
 private Q_SLOTS:
     void showControls(int delay) const;
     void hideControls(int delay) const;
 
     void on_overviewWidget_signalDraggingStarted();
     void on_overviewWidget_signalDraggingFinished();
 };
 
 
 #endif