///////////////////////////////////////////////////////////////////////////////
// Name:        wx/aui/framemanager.h
// Purpose:     wxaui: wx advanced user interface - docking window manager
// Author:      Benjamin I. Williams
// Created:     2005-05-17
// Copyright:   (C) Copyright 2005, Kirix Corporation, All Rights Reserved.
// Licence:     wxWindows Library Licence, Version 3.1
///////////////////////////////////////////////////////////////////////////////

#ifndef _WX_FRAMEMANAGER_H_
#define _WX_FRAMEMANAGER_H_

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "wx/defs.h"

#if wxUSE_AUI

#include "wx/dynarray.h"
#include "wx/gdicmn.h"
#include "wx/window.h"
#include "wx/timer.h"
#include "wx/sizer.h"
#include "wx/bmpbndl.h"
#include "wx/overlay.h"

enum wxAuiManagerDock
{
    wxAUI_DOCK_NONE = 0,
    wxAUI_DOCK_TOP = 1,
    wxAUI_DOCK_RIGHT = 2,
    wxAUI_DOCK_BOTTOM = 3,
    wxAUI_DOCK_LEFT = 4,
    wxAUI_DOCK_CENTER = 5,
    wxAUI_DOCK_CENTRE = wxAUI_DOCK_CENTER
};

enum wxAuiManagerOption
{
    wxAUI_MGR_ALLOW_FLOATING           = 1 << 0,
    wxAUI_MGR_ALLOW_ACTIVE_PANE        = 1 << 1,
    wxAUI_MGR_TRANSPARENT_DRAG         = 1 << 2,
    wxAUI_MGR_TRANSPARENT_HINT         = 1 << 3,
    wxAUI_MGR_VENETIAN_BLINDS_HINT     = 1 << 4,
    wxAUI_MGR_RECTANGLE_HINT           = 1 << 5,
    wxAUI_MGR_HINT_FADE                = 1 << 6,
    wxAUI_MGR_NO_VENETIAN_BLINDS_FADE  = 0, // For compatibility only.
    wxAUI_MGR_LIVE_RESIZE              = 1 << 8,

    wxAUI_MGR_DEFAULT = wxAUI_MGR_ALLOW_FLOATING |
                        wxAUI_MGR_TRANSPARENT_HINT |
                        wxAUI_MGR_LIVE_RESIZE
};

enum wxAuiMinDockOption
{
    wxAUI_MIN_DOCK_ICONS       = 1 << 0,
    wxAUI_MIN_DOCK_TEXT        = 1 << 1,
    wxAUI_MIN_DOCK_BOTH        = wxAUI_MIN_DOCK_ICONS | wxAUI_MIN_DOCK_TEXT,

    wxAUI_MIN_DOCK_ROTATE_ICON_WITH_TEXT = 1 << 2,

    wxAUI_MIN_DOCK_DEFAULT = wxAUI_MIN_DOCK_BOTH
};

enum wxAuiPaneDockArtSetting
{
    wxAUI_DOCKART_SASH_SIZE = 0,
    wxAUI_DOCKART_CAPTION_SIZE = 1,
    wxAUI_DOCKART_GRIPPER_SIZE = 2,
    wxAUI_DOCKART_PANE_BORDER_SIZE = 3,
    wxAUI_DOCKART_PANE_BUTTON_SIZE = 4,
    wxAUI_DOCKART_BACKGROUND_COLOUR = 5,
    wxAUI_DOCKART_SASH_COLOUR = 6,
    wxAUI_DOCKART_ACTIVE_CAPTION_COLOUR = 7,
    wxAUI_DOCKART_ACTIVE_CAPTION_GRADIENT_COLOUR = 8,
    wxAUI_DOCKART_INACTIVE_CAPTION_COLOUR = 9,
    wxAUI_DOCKART_INACTIVE_CAPTION_GRADIENT_COLOUR = 10,
    wxAUI_DOCKART_ACTIVE_CAPTION_TEXT_COLOUR = 11,
    wxAUI_DOCKART_INACTIVE_CAPTION_TEXT_COLOUR = 12,
    wxAUI_DOCKART_BORDER_COLOUR = 13,
    wxAUI_DOCKART_GRIPPER_COLOUR = 14,
    wxAUI_DOCKART_CAPTION_FONT = 15,
    wxAUI_DOCKART_GRADIENT_TYPE = 16
};

enum wxAuiPaneDockArtGradients
{
    wxAUI_GRADIENT_NONE = 0,
    wxAUI_GRADIENT_VERTICAL = 1,
    wxAUI_GRADIENT_HORIZONTAL = 2
};

enum wxAuiPaneButtonState
{
    wxAUI_BUTTON_STATE_NORMAL   = 0,
    wxAUI_BUTTON_STATE_HOVER    = 1 << 1,
    wxAUI_BUTTON_STATE_PRESSED  = 1 << 2,
    wxAUI_BUTTON_STATE_DISABLED = 1 << 3,
    wxAUI_BUTTON_STATE_HIDDEN   = 1 << 4,
    wxAUI_BUTTON_STATE_CHECKED  = 1 << 5
};

enum wxAuiButtonId
{
    wxAUI_BUTTON_CLOSE = 101,
    wxAUI_BUTTON_MAXIMIZE_RESTORE = 102,
    wxAUI_BUTTON_MINIMIZE = 103,
    wxAUI_BUTTON_PIN = 104,
    wxAUI_BUTTON_OPTIONS = 105,
    wxAUI_BUTTON_WINDOWLIST = 106,
    wxAUI_BUTTON_LEFT = 107,
    wxAUI_BUTTON_RIGHT = 108,
    wxAUI_BUTTON_UP = 109,
    wxAUI_BUTTON_DOWN = 110,
    wxAUI_BUTTON_CUSTOM1 = 201,
    wxAUI_BUTTON_CUSTOM2 = 202,
    wxAUI_BUTTON_CUSTOM3 = 203
};

enum wxAuiPaneInsertLevel
{
    wxAUI_INSERT_PANE = 0,
    wxAUI_INSERT_ROW = 1,
    wxAUI_INSERT_DOCK = 2
};




// forwards and array declarations
class wxAuiDockUIPart;
class wxAuiPaneInfo;
class wxAuiDockInfo;
class wxAuiDockArt;
class wxAuiManagerEvent;
class wxAuiMinDock;
class wxAuiSerializer;
class wxAuiDeserializer;

struct wxAuiDockLayoutInfo;
struct wxAuiPaneLayoutInfo;

using wxAuiDockUIPartArray = wxBaseArray<wxAuiDockUIPart>;
using wxAuiDockInfoArray = wxBaseArray<wxAuiDockInfo>;
using wxAuiDockInfoPtrArray = wxBaseArray<wxAuiDockInfo*>;
using wxAuiPaneInfoPtrArray = wxBaseArray<wxAuiPaneInfo*>;

extern WXDLLIMPEXP_AUI wxAuiDockInfo wxAuiNullDockInfo;
extern WXDLLIMPEXP_AUI wxAuiPaneInfo wxAuiNullPaneInfo;



class WXDLLIMPEXP_AUI wxAuiPaneInfo
{
public:

    wxAuiPaneInfo()
        : best_size(wxDefaultSize)
        , min_size(wxDefaultSize)
        , max_size(wxDefaultSize)
        , floating_pos(wxDefaultPosition)
        , floating_size(wxDefaultSize)
        , floating_client_size(wxDefaultSize)
    {
        window = nullptr;
        frame = nullptr;
        state = 0;
        dock_direction = wxAUI_DOCK_LEFT;
        dock_layer = 0;
        dock_row = 0;
        dock_pos = 0;
        dock_size = 0;
        dock_proportion = 0;

        DefaultPane();
    }

    ~wxAuiPaneInfo() = default;

    // Write the safe parts of a newly loaded PaneInfo structure "source" into "this"
    // used on loading perspectives etc.
    void SafeSet(wxAuiPaneInfo source)
    {
        // note source is not passed by reference so we can overwrite, to keep the
        // unsafe bits of "dest"
        source.window = window;
        source.frame = frame;
        wxCHECK_RET(source.IsValid(),
                    "window settings and pane settings are incompatible");
        // now assign
        *this = source;
    }

    bool IsOk() const { return window != nullptr; }
    bool IsFixed() const { return !HasFlag(optionResizable); }
    bool IsResizable() const { return HasFlag(optionResizable); }
    bool IsShown() const { return !HasFlag(optionHidden); }
    bool IsFloating() const { return HasFlag(optionFloating); }
    bool IsDocked() const { return !HasFlag(optionFloating); }
    bool IsToolbar() const { return HasFlag(optionToolbar); }
    bool IsTopDockable() const { return HasFlag(optionTopDockable); }
    bool IsBottomDockable() const { return HasFlag(optionBottomDockable); }
    bool IsLeftDockable() const { return HasFlag(optionLeftDockable); }
    bool IsRightDockable() const { return HasFlag(optionRightDockable); }
    bool IsDockable() const
    {
        return HasFlag(optionTopDockable | optionBottomDockable |
                        optionLeftDockable | optionRightDockable);
    }
    bool IsFloatable() const { return HasFlag(optionFloatable); }
    bool IsMovable() const { return HasFlag(optionMovable); }
    bool IsDestroyOnClose() const { return HasFlag(optionDestroyOnClose); }
    bool IsMaximized() const { return HasFlag(optionMaximized); }
    bool HasCaption() const { return HasFlag(optionCaption); }
    bool HasGripper() const { return HasFlag(optionGripper); }
    bool HasBorder() const { return HasFlag(optionPaneBorder); }
    bool HasCloseButton() const { return HasFlag(buttonClose); }
    bool HasMaximizeButton() const { return HasFlag(buttonMaximize); }
    bool HasMinimizeButton() const { return HasFlag(buttonMinimize); }
    bool HasPinButton() const { return HasFlag(buttonPin); }
    bool HasGripperTop() const { return HasFlag(optionGripperTop); }

#ifdef SWIG
    %typemap(out) wxAuiPaneInfo& { $result = $self; Py_INCREF($result); }
#endif
    wxAuiPaneInfo& Window(wxWindow* w)
    {
        wxAuiPaneInfo test(*this);
        test.window = w;
        wxCHECK_MSG(test.IsValid(), *this,
                    "window settings and pane settings are incompatible");
        *this = test;
        return *this;
    }
    wxAuiPaneInfo& Name(const wxString& n) { name = n; return *this; }
    wxAuiPaneInfo& Caption(const wxString& c) { caption = c; return *this; }
    wxAuiPaneInfo& Icon(const wxBitmapBundle& b) { icon = b; return *this; }
    wxAuiPaneInfo& IconMin(const wxBitmapBundle& b) { iconMin = b; return *this; }
    wxAuiPaneInfo& Left() { dock_direction = wxAUI_DOCK_LEFT; return *this; }
    wxAuiPaneInfo& Right() { dock_direction = wxAUI_DOCK_RIGHT; return *this; }
    wxAuiPaneInfo& Top() { dock_direction = wxAUI_DOCK_TOP; return *this; }
    wxAuiPaneInfo& Bottom() { dock_direction = wxAUI_DOCK_BOTTOM; return *this; }
    wxAuiPaneInfo& Center() { dock_direction = wxAUI_DOCK_CENTER; return *this; }
    wxAuiPaneInfo& Centre() { dock_direction = wxAUI_DOCK_CENTRE; return *this; }
    wxAuiPaneInfo& Direction(int direction) { dock_direction = direction; return *this; }
    wxAuiPaneInfo& Layer(int layer) { dock_layer = layer; return *this; }
    wxAuiPaneInfo& Row(int row) { dock_row = row; return *this; }
    wxAuiPaneInfo& Position(int pos) { dock_pos = pos; return *this; }
    wxAuiPaneInfo& BestSize(const wxSize& size) { best_size = size; return *this; }
    wxAuiPaneInfo& MinSize(const wxSize& size) { min_size = size; return *this; }
    wxAuiPaneInfo& MaxSize(const wxSize& size) { max_size = size; return *this; }
    wxAuiPaneInfo& BestSize(int x, int y) { best_size.Set(x,y); return *this; }
    wxAuiPaneInfo& MinSize(int x, int y) { min_size.Set(x,y); return *this; }
    wxAuiPaneInfo& MaxSize(int x, int y) { max_size.Set(x,y); return *this; }
    wxAuiPaneInfo& FloatingPosition(const wxPoint& pos) { floating_pos = pos; return *this; }
    wxAuiPaneInfo& FloatingPosition(int x, int y) { floating_pos.x = x; floating_pos.y = y; return *this; }
    wxAuiPaneInfo& FloatingSize(const wxSize& size) { floating_size = size; return *this; }
    wxAuiPaneInfo& FloatingSize(int x, int y) { floating_size.Set(x,y); return *this; }
    wxAuiPaneInfo& FloatingClientSize(const wxSize& size) { floating_client_size = size; return *this; }
    wxAuiPaneInfo& FloatingClientSize(int x, int y) { floating_client_size.Set(x,y); return *this; }
    wxAuiPaneInfo& Fixed() { return SetFlag(optionResizable, false); }
    wxAuiPaneInfo& Resizable(bool resizable = true) { return SetFlag(optionResizable, resizable); }
    wxAuiPaneInfo& Dock() { return SetFlag(optionFloating, false); }
    wxAuiPaneInfo& Float() { return SetFlag(optionFloating, true); }
    wxAuiPaneInfo& Hide() { return SetFlag(optionHidden, true); }
    wxAuiPaneInfo& Show(bool show = true) { return SetFlag(optionHidden, !show).SetFlag(savedClosed, false); }
    wxAuiPaneInfo& CaptionVisible(bool visible = true) { return SetFlag(optionCaption, visible); }
    wxAuiPaneInfo& Maximize() { return SetFlag(optionMaximized, true); }
    wxAuiPaneInfo& Restore() { return SetFlag(optionMaximized, false); }
    wxAuiPaneInfo& PaneBorder(bool visible = true) { return SetFlag(optionPaneBorder, visible); }
    wxAuiPaneInfo& Gripper(bool visible = true) { return SetFlag(optionGripper, visible); }
    wxAuiPaneInfo& GripperTop(bool attop = true) { return SetFlag(optionGripperTop, attop); }
    wxAuiPaneInfo& CloseButton(bool visible = true) { return SetFlag(buttonClose, visible); }
    wxAuiPaneInfo& MaximizeButton(bool visible = true) { return SetFlag(buttonMaximize, visible); }
    wxAuiPaneInfo& MinimizeButton(bool visible = true) { return SetFlag(buttonMinimize, visible); }
    wxAuiPaneInfo& PinButton(bool visible = true) { return SetFlag(buttonPin, visible); }
    wxAuiPaneInfo& DestroyOnClose(bool b = true) { return SetFlag(optionDestroyOnClose, b); }
    wxAuiPaneInfo& TopDockable(bool b = true) { return SetFlag(optionTopDockable, b); }
    wxAuiPaneInfo& BottomDockable(bool b = true) { return SetFlag(optionBottomDockable, b); }
    wxAuiPaneInfo& LeftDockable(bool b = true) { return SetFlag(optionLeftDockable, b); }
    wxAuiPaneInfo& RightDockable(bool b = true) { return SetFlag(optionRightDockable, b); }
    wxAuiPaneInfo& Floatable(bool b = true) { return SetFlag(optionFloatable, b); }
    wxAuiPaneInfo& Movable(bool b = true) { return SetFlag(optionMovable, b); }
    wxAuiPaneInfo& DockFixed(bool b = true) { return SetFlag(optionDockFixed, b); }

    wxAuiPaneInfo& Dockable(bool b = true)
    {
        return TopDockable(b).BottomDockable(b).LeftDockable(b).RightDockable(b);
    }

    wxAuiPaneInfo& DefaultPane()
    {
        wxAuiPaneInfo test(*this);
        test.state |= optionTopDockable | optionBottomDockable |
                 optionLeftDockable | optionRightDockable |
                 optionFloatable | optionMovable | optionResizable |
                 optionCaption | optionPaneBorder | buttonClose;
        wxCHECK_MSG(test.IsValid(), *this,
                    "window settings and pane settings are incompatible");
        *this = test;
        return *this;
    }

    wxAuiPaneInfo& CentrePane() { return CenterPane(); }
    wxAuiPaneInfo& CenterPane()
    {
        state = 0;
        return Center().PaneBorder().Resizable();
    }

    wxAuiPaneInfo& ToolbarPane()
    {
        DefaultPane();
        state |= (optionToolbar | optionGripper);
        state &= ~(optionResizable | optionCaption);
        if (dock_layer == 0)
            dock_layer = 10;
        return *this;
    }

    wxAuiPaneInfo& SetFlag(int flag, bool option_state)
    {
        wxAuiPaneInfo test(*this);
        if (option_state)
            test.state |= flag;
        else
            test.state &= ~flag;
        wxCHECK_MSG(test.IsValid(), *this,
                    "window settings and pane settings are incompatible");
        *this = test;
        return *this;
    }

    bool HasFlag(int flag) const
    {
        return (state & flag) != 0;
    }

#ifdef SWIG
    %typemap(out) wxAuiPaneInfo& ;
#endif

public:

    // NOTE: You can add and subtract flags from this list,
    // but do not change the values of the flags, because
    // they are stored in a binary integer format in the
    // perspective string.  If you really need to change the
    // values around, you'll have to ensure backwards-compatibility
    // in the perspective loading code.
    enum wxAuiPaneState
    {
        optionFloating        = 1 << 0,
        optionHidden          = 1 << 1,
        optionLeftDockable    = 1 << 2,
        optionRightDockable   = 1 << 3,
        optionTopDockable     = 1 << 4,
        optionBottomDockable  = 1 << 5,
        optionFloatable       = 1 << 6,
        optionMovable         = 1 << 7,
        optionResizable       = 1 << 8,
        optionPaneBorder      = 1 << 9,
        optionCaption         = 1 << 10,
        optionGripper         = 1 << 11,
        optionDestroyOnClose  = 1 << 12,
        optionToolbar         = 1 << 13,
        optionActive          = 1 << 14,
        optionGripperTop      = 1 << 15,
        optionMaximized       = 1 << 16,
        optionDockFixed       = 1 << 17,

        buttonClose           = 1 << 21,
        buttonMaximize        = 1 << 22,
        buttonMinimize        = 1 << 23,
        buttonPin             = 1 << 24,

        buttonCustom1         = 1 << 26,
        buttonCustom2         = 1 << 27,
        buttonCustom3         = 1 << 28,

        savedClosed           = 1 << 29, // used internally
        savedHiddenState      = 1 << 30, // used internally
        actionPane            = 1u << 31  // used internally
    };

public:
    wxString name;        // name of the pane
    wxString caption;     // caption displayed on the window
    wxBitmapBundle icon;  // icon of the pane, may be invalid
    wxBitmapBundle iconMin; // icon used when minimized, may also be invalid

    wxWindow* window;     // window that is in this pane
    wxFrame* frame;       // floating frame window that holds the pane
    unsigned int state;   // a combination of wxPaneState values

    int dock_direction;   // dock direction (top, bottom, left, right, center)
    int dock_layer;       // layer number (0 = innermost layer)
    int dock_row;         // row number on the docking bar (0 = first row)
    int dock_pos;         // position inside the row (0 = first position)
    int dock_size;        // size of the containing dock (0 if not set)

    wxSize best_size;     // size that the layout engine will prefer
    wxSize min_size;      // minimum size the pane window can tolerate
    wxSize max_size;      // maximum size the pane window can tolerate

    wxPoint floating_pos; // position while floating
    wxSize floating_size; // size while floating
    // this has precedence over floating_size
    wxSize floating_client_size; // client size while floating
    int dock_proportion;  // proportion while docked

    wxRect rect;              // current rectangle (populated by wxAUI)

    bool IsValid() const;
};


// Note that this one must remain a wxBaseObjectArray, i.e. store pointers to
// heap-allocated objects, as it is returned by wxAuiManager::GetPane() and the
// existing code expects these pointers to remain valid even if the array is
// modified.
using wxAuiPaneInfoArray = wxBaseObjectArray<wxAuiPaneInfo>;



class WXDLLIMPEXP_FWD_AUI wxAuiFloatingFrame;

class WXDLLIMPEXP_AUI wxAuiManager : public wxEvtHandler
{
    friend class wxAuiFloatingFrame;

public:

    wxAuiManager(wxWindow* managedWnd = nullptr,
                   unsigned int flags = wxAUI_MGR_DEFAULT);
    virtual ~wxAuiManager();
    void UnInit();

    void SetFlags(unsigned int flags);
    unsigned int GetFlags() const;

    static bool AlwaysUsesLiveResize(const wxWindow* window = nullptr);
    bool HasLiveResize() const;

    void SetManagedWindow(wxWindow* managedWnd);
    wxWindow* GetManagedWindow() const;

    static wxAuiManager* GetManager(wxWindow* window);

    void SetArtProvider(wxAuiDockArt* artProvider);
    wxAuiDockArt* GetArtProvider() const;

    // Return the minimum size for any pane.
    wxSize GetMinPaneSize() const;

    // Change the sides where docks for minimized panes can be created.
    // Must include one or more of wxLEFT, wxRIGHT, wxTOP, wxBOTTOM and must
    // currently be called before there any minimized panes.
    void AllowDocksForMinPanes(int directions);

    // Set the style to use for the docks containing minimizing panes.
    // Flags is the combination of wxAUI_MIN_DOCK_* values.
    void SetDocksForMinPanesStyle(unsigned int style);


    wxAuiPaneInfo& GetPane(wxWindow* window);
    wxAuiPaneInfo& GetPane(const wxString& name);
    const wxAuiPaneInfoArray& GetAllPanes() const { return m_panes; }
    wxAuiPaneInfoArray& GetAllPanes() { return m_panes; }

    bool AddPane(wxWindow* window,
                 const wxAuiPaneInfo& paneInfo);

    bool AddPane(wxWindow* window,
                 const wxAuiPaneInfo& paneInfo,
                 const wxPoint& dropPos);

    bool AddPane(wxWindow* window,
                 int direction = wxLEFT,
                 const wxString& caption = wxEmptyString);

    bool InsertPane(wxWindow* window,
                 const wxAuiPaneInfo& insertLocation,
                 int insertLevel = wxAUI_INSERT_PANE);

    bool SplitPane(wxWindow* window,
                   wxWindow* newWindow,
                   int direction,
                   const wxPoint& dropPos = wxDefaultPosition);

    bool DetachPane(wxWindow* window);

    void Update();

    // Serialize or restore the whole layout using the provided serializer.
    void SaveLayout(wxAuiSerializer& serializer) const;
    void LoadLayout(wxAuiDeserializer& deserializer);

    // Older functions using bespoke text format, prefer using the ones using
    // wxAuiSerializer and wxAuiDeserializer above instead in the new code.
    wxString SavePaneInfo(const wxAuiPaneInfo& pane);
    void LoadPaneInfo(wxString panePart, wxAuiPaneInfo &pane);
private:
    bool LoadPaneInfoVersioned(wxString layoutVersion, wxString panePart, wxAuiPaneInfo& pane);
public:
    wxString SavePerspective();
    bool LoadPerspective(const wxString& perspective, bool update = true);

    void SetDockSizeConstraint(double widthPct, double heightPct);
    void GetDockSizeConstraint(double* widthPct, double* heightPct) const;

    void ClosePane(wxAuiPaneInfo& paneInfo);
    void MinimizePane(wxAuiPaneInfo& paneInfo);
    void MaximizePane(wxAuiPaneInfo& paneInfo);
    void RestorePane(wxAuiPaneInfo& paneInfo);
    void RestoreMaximizedPane();

public:

    virtual wxAuiFloatingFrame* CreateFloatingFrame(wxWindow* parent, const wxAuiPaneInfo& p);
    virtual bool CanDockPanel(const wxAuiPaneInfo & p);

    void StartPaneDrag(
                 wxWindow* paneWindow,
                 const wxPoint& offset);

    wxRect CalculateHintRect(
                 wxWindow* paneWindow,
                 const wxPoint& pt,
                 const wxPoint& offset = wxPoint{});

    wxSize CalculateNewSplitSize() const;

    void DrawHintRect(
                 wxWindow* paneWindow,
                 const wxPoint& pt,
                 const wxPoint& offset = wxPoint{});

    void UpdateHint(const wxRect& rect);

    // These functions are public for compatibility reasons, but should never
    // be called directly, use UpdateHint() above instead.
    virtual void ShowHint(const wxRect& rect);
    virtual void HideHint();

    // Internal functions, don't use them outside of wxWidgets itself.
    void CopyDockLayoutFrom(wxAuiDockLayoutInfo& layoutInfo,
                            const wxAuiPaneInfo& pane) const;
    void CopyDockLayoutTo(const wxAuiDockLayoutInfo& layoutInfo,
                          wxAuiPaneInfo& pane) const;

    void CopyLayoutFrom(wxAuiPaneLayoutInfo& layoutInfo,
                        const wxAuiPaneInfo& pane) const;
    void CopyLayoutTo(const wxAuiPaneLayoutInfo& layoutInfo,
                      wxAuiPaneInfo& pane) const;

public:

    // deprecated -- please use SetManagedWindow()
    // and GetManagedWindow() instead

    wxDEPRECATED( void SetFrame(wxFrame* frame) );
    wxDEPRECATED( wxFrame* GetFrame() const );

protected:

    void DoFrameLayout();

    void LayoutAddPane(wxSizer* container,
                       wxAuiDockInfo& dock,
                       wxAuiPaneInfo& pane,
                       wxAuiDockUIPartArray& uiparts,
                       bool spacerOnly);

    void LayoutAddDock(wxSizer* container,
                       wxAuiDockInfo& dock,
                       wxAuiDockUIPartArray& uiParts,
                       bool spacerOnly);

    wxSizer* LayoutAll(wxAuiPaneInfoArray& panes,
                       wxAuiDockInfoArray& docks,
                          wxAuiDockUIPartArray & uiParts,
                       bool spacerOnly = false);

    virtual bool ProcessDockResult(wxAuiPaneInfo& target,
                                   const wxAuiPaneInfo& newPos);

    bool DoDrop(wxAuiDockInfoArray& docks,
                wxAuiPaneInfoArray& panes,
                wxAuiPaneInfo& drop,
                const wxPoint& pt,
                const wxPoint& actionOffset = wxPoint(0,0));

    wxAuiDockUIPart* HitTest(int x, int y);
    wxAuiDockUIPart* GetPanePart(wxWindow* pane);
    int GetDockPixelOffset(wxAuiPaneInfo& test);
    void OnFloatingPaneMoveStart(wxWindow* window);
    void OnFloatingPaneMoving(wxWindow* window, wxDirection dir );
    void OnFloatingPaneMoved(wxWindow* window, wxDirection dir);
    void OnFloatingPaneActivated(wxWindow* window);
    void OnFloatingPaneClosed(wxWindow* window, wxCloseEvent& evt);
    void OnFloatingPaneResized(wxWindow* window, const wxRect& rect);
    void Render(wxDC* dc);
    void Repaint(wxDC* dc = nullptr);
    void ProcessMgrEvent(wxAuiManagerEvent& event);
    void UpdateButtonOnScreen(wxAuiDockUIPart* buttonUiPart,
                              int state = wxAUI_BUTTON_STATE_NORMAL);
    void GetPanePositionsAndSizes(wxAuiDockInfo& dock,
                              wxArrayInt& positions,
                              wxArrayInt& sizes);

    /// Ends a resize action, or for live update, resizes the sash
    bool DoEndResizeAction(wxMouseEvent& event);

    void SetActivePane(wxWindow* active_pane);

public:

    // public events (which can be invoked externally)
    void OnRender(wxAuiManagerEvent& evt);
    void OnPaneButton(wxAuiManagerEvent& evt);

protected:

    // protected events
    void OnDestroy(wxWindowDestroyEvent& evt);
    void OnPaint(wxPaintEvent& evt);
    void OnEraseBackground(wxEraseEvent& evt);
    void OnSize(wxSizeEvent& evt);
    void OnSetCursor(wxSetCursorEvent& evt);
    void OnLeftDown(wxMouseEvent& evt);
    void OnLeftUp(wxMouseEvent& evt);
    void OnMotion(wxMouseEvent& evt);
    void OnCaptureLost(wxMouseCaptureLostEvent& evt);
    void OnLeaveWindow(wxMouseEvent& evt);
    void OnChildFocus(wxChildFocusEvent& evt);
    void OnHintFadeTimer(wxTimerEvent& evt);
    void OnFindManager(wxAuiManagerEvent& evt);
    void OnSysColourChanged(wxSysColourChangedEvent& event);
#ifndef wxHAS_DPI_INDEPENDENT_PIXELS
    void OnDPIChanged(wxDPIChangedEvent& event);
#endif // !wxHAS_DPI_INDEPENDENT_PIXELS

protected:

    enum
    {
        actionNone = 0,
        actionResize,
        actionClickButton,
        actionClickCaption,
        actionDragToolbarPane,
        actionDragFloatingPane
    };

protected:

    wxWindow* m_frame;           // the window being managed
    wxAuiDockArt* m_art;            // dock art object which does all drawing
    unsigned int m_flags;        // manager flags wxAUI_MGR_*

    wxAuiPaneInfoArray m_panes;     // array of panes structures
    wxAuiDockInfoArray m_docks;     // array of docks structures
    wxAuiDockUIPartArray m_uiParts; // array of UI parts (captions, buttons, etc)

    int m_action;                // current mouse action
    wxPoint m_actionStart;      // position where the action click started
    wxPoint m_actionOffset;     // offset from upper left of the item clicked
    wxAuiDockUIPart* m_actionPart; // ptr to the part the action happened to
    wxWindow* m_actionWindow;   // action frame or window (nullptr if none)
    wxRect m_actionHintRect;    // hint rectangle for the action
    wxRect m_lastRect;
    wxAuiDockUIPart* m_hoverButton;// button uipart being hovered over
    wxRect m_lastHint;          // last hint rectangle
    wxPoint m_lastMouseMove;   // last mouse move position (see OnMotion)
    int  m_currentDragItem;
    bool m_hasMaximized;

    double m_dockConstraintX;  // 0.0 .. 1.0; max pct of window width a dock can consume
    double m_dockConstraintY;  // 0.0 .. 1.0; max pct of window height a dock can consume

    wxTimer m_hintFadeTimer;    // transparent fade timer
    wxByte m_hintFadeAmt;       // transparent fade amount
    wxByte m_hintFadeMax;       // maximum value of hint fade

    wxOverlay m_overlay;

    void* m_reserved;

private:
    // Return the index in m_uiParts corresponding to the current value of
    // m_actionPart. If m_actionPart is null, returns wxNOT_FOUND.
    int GetActionPartIndex() const;

    // Return the size of the dock containing the given pane or 0 if not found.
    int GetContainingDockSize(const wxAuiPaneInfo& paneInfo) const;

    // Get direction to use for minimizing the given pane docking direction.
    //
    // The returned value is one of 4 wxAUI_DOCK_{TOP,RIGHT,BOTTOM,LEFT} values
    // but may be wxAUI_DOCK_NONE if paneDirection is wxAUI_DOCK_CENTER or
    // invalid.
    wxAuiManagerDock GetMinDockDirectionFor(int paneDirection) const;

    // Get reference to the minimized dock for the given direction, which must
    // be valid, i.e. not wxAUI_DOCK_NONE and not wxAUI_DOCK_CENTER.
    wxAuiMinDock*& GetMinDockInDirection(wxAuiManagerDock direction);

    // If the pane can be minimized and if the docking toolbar into which it
    // would minimize is shown, add it to it.
    void AddPaneToMinDockIfNecessary(wxAuiPaneInfo& paneInfo);

    // Remove the pane from the docking toolbar in the given direction if it is
    // shown and remove the toolbar itself if it becomes empty.
    void
    RemovePaneFromMinDockIfNecessary(wxAuiManagerDock direction,
                                     wxAuiPaneInfo& paneInfo);


    // Common part of ClosePane() and MinimizePane(): hide the pane window.
    void DoHidePaneWindow(wxAuiPaneInfo& paneInfo);


    // This flag is set to true if Update() is called while the window is
    // minimized, in which case we postpone updating it until it is restored.
    bool m_updateOnRestore = false;

    // Toolbars used to show minimized panes. Some, or all, of them can be null.
    //
    // This is indexed by wxAUI_DOCK_TOP, wxAUI_DOCK_BOTTOM, wxAUI_DOCK_RIGHT
    // and wxAUI_DOCK_LEFT with offset of -1, so don't access it directly and
    // use GetMinDockInDirection() instead to not have to remember this -1.
    wxAuiMinDock* m_minDocks[wxAUI_DOCK_LEFT] = { nullptr };

    // Mask of directions where we are allowed to create docks for minimized
    // panes.
    int m_minDockAllowed = wxLEFT | wxRIGHT | wxBOTTOM;

    // Style flags to use for the docks containing minimized panes.
    unsigned int m_minDockStyle = wxAUI_MIN_DOCK_DEFAULT;

#ifndef SWIG
    wxDECLARE_CLASS(wxAuiManager);
#endif // SWIG
};



// event declarations/classes

class WXDLLIMPEXP_AUI wxAuiManagerEvent : public wxEvent
{
public:
    wxAuiManagerEvent(wxEventType type=wxEVT_NULL) : wxEvent(0, type)
    {
        manager = nullptr;
        pane = nullptr;
        button = 0;
        veto_flag = false;
        canveto_flag = true;
        dc = nullptr;
    }
    wxNODISCARD wxEvent *Clone() const override { return new wxAuiManagerEvent(*this); }

    void SetManager(wxAuiManager* mgr) { manager = mgr; }
    void SetPane(wxAuiPaneInfo* p) { pane = p; }
    void SetButton(int b) { button = b; }
    void SetDC(wxDC* pdc) { dc = pdc; }

    wxAuiManager* GetManager() const { return manager; }
    wxAuiPaneInfo* GetPane() const { return pane; }
    int GetButton() const { return button; }
    wxDC* GetDC() const { return dc; }

    void Veto(bool veto = true) { veto_flag = veto; }
    bool GetVeto() const { return veto_flag; }
    void SetCanVeto(bool can_veto) { canveto_flag = can_veto; }
    bool CanVeto() const { return  canveto_flag && veto_flag; }

public:
    wxAuiManager* manager;
    wxAuiPaneInfo* pane;
    int button;
    bool veto_flag;
    bool canveto_flag;
    wxDC* dc;

#ifndef SWIG
private:
    wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN_DEF_COPY(wxAuiManagerEvent);
#endif
};


class WXDLLIMPEXP_AUI wxAuiDockInfo
{
public:
    wxAuiDockInfo()
    {
        dock_direction = 0;
        dock_layer = 0;
        dock_row = 0;
        size = 0;
        min_size = 0;
        resizable = true;
        fixed = false;
        toolbar = false;
        reserved1 = false;
    }

    bool IsOk() const { return dock_direction != 0; }
    bool IsHorizontal() const { return dock_direction == wxAUI_DOCK_TOP ||
                             dock_direction == wxAUI_DOCK_BOTTOM; }
    bool IsVertical() const { return dock_direction == wxAUI_DOCK_LEFT ||
                             dock_direction == wxAUI_DOCK_RIGHT ||
                             dock_direction == wxAUI_DOCK_CENTER; }
public:
    wxAuiPaneInfoPtrArray panes; // array of panes
    wxRect rect;              // current rectangle
    int dock_direction;       // dock direction (top, bottom, left, right, center)
    int dock_layer;           // layer number (0 = innermost layer)
    int dock_row;             // row number on the docking bar (0 = first row)
    int size;                 // size of the dock
    int min_size;             // minimum size of a dock (0 if there is no min)
    bool resizable;           // flag indicating whether the dock is resizable
    bool toolbar;             // flag indicating dock contains only toolbars
    bool fixed;               // flag indicating that the dock operates on
                              // absolute coordinates as opposed to proportional
    bool reserved1;
};


class WXDLLIMPEXP_AUI wxAuiDockUIPart
{
public:
    enum
    {
        typeCaption,
        typeGripper,
        typeDock,
        typeDockSizer,
        typePane,
        typePaneSizer,
        typeBackground,
        typePaneBorder,
        typePaneButton
    };

    int type;                // ui part type (see enum above)
    int state = wxAUI_BUTTON_STATE_NORMAL; // only used if type == typePaneButton
    int orientation;         // orientation (either wxHORIZONTAL or wxVERTICAL)
    wxAuiDockInfo* dock;        // which dock the item is associated with
    wxAuiPaneInfo* pane;        // which pane the item is associated with
    int button;              // which pane button the item is associated with
    wxSizer* cont_sizer;     // the part's containing sizer
    wxSizerItem* sizer_item; // the sizer item of the part
    wxRect rect;             // client coord rectangle of the part itself
};




#ifndef SWIG

wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_AUI, wxEVT_AUI_PANE_BUTTON, wxAuiManagerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_AUI, wxEVT_AUI_PANE_CLOSE, wxAuiManagerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_AUI, wxEVT_AUI_PANE_MINIMIZE, wxAuiManagerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_AUI, wxEVT_AUI_PANE_MAXIMIZE, wxAuiManagerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_AUI, wxEVT_AUI_PANE_RESTORE, wxAuiManagerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_AUI, wxEVT_AUI_PANE_ACTIVATED, wxAuiManagerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_AUI, wxEVT_AUI_RENDER, wxAuiManagerEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_AUI, wxEVT_AUI_FIND_MANAGER, wxAuiManagerEvent );

typedef void (wxEvtHandler::*wxAuiManagerEventFunction)(wxAuiManagerEvent&);

#define wxAuiManagerEventHandler(func) \
    wxEVENT_HANDLER_CAST(wxAuiManagerEventFunction, func)

#define EVT_AUI_PANE_BUTTON(func) \
   wx__DECLARE_EVT0(wxEVT_AUI_PANE_BUTTON, wxAuiManagerEventHandler(func))
#define EVT_AUI_PANE_CLOSE(func) \
   wx__DECLARE_EVT0(wxEVT_AUI_PANE_CLOSE, wxAuiManagerEventHandler(func))
#define EVT_AUI_PANE_MINIMIZE(func) \
   wx__DECLARE_EVT0(wxEVT_AUI_PANE_MINIMIZE, wxAuiManagerEventHandler(func))
#define EVT_AUI_PANE_MAXIMIZE(func) \
   wx__DECLARE_EVT0(wxEVT_AUI_PANE_MAXIMIZE, wxAuiManagerEventHandler(func))
#define EVT_AUI_PANE_RESTORE(func) \
   wx__DECLARE_EVT0(wxEVT_AUI_PANE_RESTORE, wxAuiManagerEventHandler(func))
#define EVT_AUI_PANE_ACTIVATED(func) \
   wx__DECLARE_EVT0(wxEVT_AUI_PANE_ACTIVATED, wxAuiManagerEventHandler(func))
#define EVT_AUI_RENDER(func) \
   wx__DECLARE_EVT0(wxEVT_AUI_RENDER, wxAuiManagerEventHandler(func))
#define EVT_AUI_FIND_MANAGER(func) \
   wx__DECLARE_EVT0(wxEVT_AUI_FIND_MANAGER, wxAuiManagerEventHandler(func))

#else

%constant wxEventType wxEVT_AUI_PANE_BUTTON;
%constant wxEventType wxEVT_AUI_PANE_CLOSE;
%constant wxEventType wxEVT_AUI_PANE_MINIMIZE;
%constant wxEventType wxEVT_AUI_PANE_MAXIMIZE;
%constant wxEventType wxEVT_AUI_PANE_RESTORE;
%constant wxEventType wxEVT_AUI_PANE_ACTIVATED;
%constant wxEventType wxEVT_AUI_RENDER;
%constant wxEventType wxEVT_AUI_FIND_MANAGER;

%pythoncode {
    EVT_AUI_PANE_BUTTON = wx.PyEventBinder( wxEVT_AUI_PANE_BUTTON )
    EVT_AUI_PANE_CLOSE = wx.PyEventBinder( wxEVT_AUI_PANE_CLOSE )
    EVT_AUI_PANE_MINIMIZE = wx.PyEventBinder( wxEVT_AUI_PANE_MINIMIZE )
    EVT_AUI_PANE_MAXIMIZE = wx.PyEventBinder( wxEVT_AUI_PANE_MAXIMIZE )
    EVT_AUI_PANE_RESTORE = wx.PyEventBinder( wxEVT_AUI_PANE_RESTORE )
    EVT_AUI_PANE_ACTIVATED = wx.PyEventBinder( wxEVT_AUI_PANE_ACTIVATED )
    EVT_AUI_RENDER = wx.PyEventBinder( wxEVT_AUI_RENDER )
    EVT_AUI_FIND_MANAGER = wx.PyEventBinder( wxEVT_AUI_FIND_MANAGER )
}
#endif // SWIG

#endif // wxUSE_AUI
#endif //_WX_FRAMEMANAGER_H_

