mirror of
https://github.com/cookiengineer/audacity
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22f85f244b
... though ruler won't, and if you start to drag in TrackPanel but abort it with the ESC key, that too returns focus
127 lines
3.4 KiB
C++
127 lines
3.4 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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TrackPanel.h
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Paul Licameli
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**********************************************************************/
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#ifndef __AUDACITY_CELLULAR_PANEL__
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#define __AUDACITY_CELLULAR_PANEL__
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#include <wx/cursor.h>
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#include "widgets/OverlayPanel.h"
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class ViewInfo;
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class AudacityProject;
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class TrackPanelCell;
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struct TrackPanelMouseEvent;
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struct TrackPanelMouseState;
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class UIHandle;
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using UIHandlePtr = std::shared_ptr<UIHandle>;
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// This class manages a panel divided into a number of sub-rectangles called
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// cells, that each implement hit tests returning click-drag-release handler
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// objects, and other services.
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// It has no dependency on the Track class.
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class AUDACITY_DLL_API CellularPanel : public OverlayPanel {
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public:
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CellularPanel(wxWindow * parent, wxWindowID id,
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const wxPoint & pos,
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const wxSize & size,
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ViewInfo *viewInfo,
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// default as for wxPanel:
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long style = wxTAB_TRAVERSAL | wxNO_BORDER);
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~CellularPanel() override;
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// Overridables:
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virtual AudacityProject *GetProject() const = 0;
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// Find track info by coordinate
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struct FoundCell {
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std::shared_ptr<TrackPanelCell> pCell;
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wxRect rect;
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};
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virtual FoundCell FindCell(int mouseX, int mouseY) = 0;
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virtual wxRect FindRect(const TrackPanelCell &cell) = 0;
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virtual TrackPanelCell *GetFocusedCell() = 0;
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virtual void SetFocusedCell() = 0;
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virtual void ProcessUIHandleResult
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(TrackPanelCell *pClickedCell, TrackPanelCell *pLatestCell,
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unsigned refreshResult) = 0;
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virtual void UpdateStatusMessage( const wxString & ) = 0;
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// Whether this panel keeps focus after a click and drag, or only borrows
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// it.
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virtual bool TakesFocus() const = 0;
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public:
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UIHandlePtr Target();
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std::shared_ptr<TrackPanelCell> LastCell() const;
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bool IsMouseCaptured();
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wxCoord MostRecentXCoord() const;
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void HandleCursorForPresentMouseState(bool doHit = true);
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protected:
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bool HasEscape();
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bool CancelDragging( bool escaping );
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void DoContextMenu( TrackPanelCell *pCell = nullptr );
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void ClearTargets();
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private:
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bool HasRotation();
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bool ChangeTarget(bool forward, bool cycle);
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void OnMouseEvent(wxMouseEvent & event);
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void OnCaptureLost(wxMouseCaptureLostEvent & event);
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void OnCaptureKey(wxCommandEvent & event);
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void OnKeyDown(wxKeyEvent & event);
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void OnChar(wxKeyEvent & event);
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void OnKeyUp(wxKeyEvent & event);
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void OnSetFocus(wxFocusEvent & event);
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void OnKillFocus(wxFocusEvent & event);
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void OnContextMenu(wxContextMenuEvent & event);
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void HandleInterruptedDrag();
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void Uncapture( bool escaping, wxMouseState *pState = nullptr );
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bool HandleEscapeKey(bool down);
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void UpdateMouseState(const wxMouseState &state);
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void HandleModifierKey();
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void HandleClick( const TrackPanelMouseEvent &tpmEvent );
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void HandleWheelRotation( TrackPanelMouseEvent &tpmEvent );
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void HandleMotion( wxMouseState &state, bool doHit = true );
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void HandleMotion
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( const TrackPanelMouseState &tpmState, bool doHit = true );
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void Leave();
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protected:
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ViewInfo *mViewInfo;
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// To do: make a drawing method and make this private
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wxMouseState mLastMouseState;
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private:
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struct State;
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std::unique_ptr<State> mState;
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DECLARE_EVENT_TABLE()
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};
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#endif
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