/////////////////////////////////////////////////////////////
// Cinema 4D SDK                                           //
/////////////////////////////////////////////////////////////
// (c) MAXON Computer GmbH, all rights reserved            //
/////////////////////////////////////////////////////////////

#ifndef CUSTOMGUI_LISTVIEW_H__
#define CUSTOMGUI_LISTVIEW_H__

#include "customgui_base.h"
#include "c4d_basecontainer.h"
#include "customgui_base.h"

namespace cinema
{

/// Tree/List view custom GUI ID.
#define CUSTOMGUI_TREEVIEW		1000475

/// @addtogroup TREEVIEW_CUSTOMGUISETTINGS
/// @ingroup CUSTOMGUISETTINGS
/// @{
#define TREEVIEW_BORDER								'brdr'			///< ::Bool Set to @formatConstant{true} to show an outer tree border.
#define TREEVIEW_OUTSIDE_DROP					'tvod'			///< ::Bool Set to @formatConstant{true} if an object may be dropped under all the objects in the tree view.
#define TREEVIEW_HIDE_LINES						'tvhl'			///< ::Bool Set to @formatConstant{true} if no lines should be drawn (flat list, no hierarchy indents used).
#define TREEVIEW_CTRL_DRAG						'ctdr'			///< ::Bool Set to @formatConstant{true} if item may be duplicated by Ctrl + Drag.
#define TREEVIEW_NO_MULTISELECT				'tvnm'			///< ::Bool Set to @formatConstant{true} if no multiple selection is allowed.
#define TREEVIEW_HAS_HEADER						'tvhh'			///< ::Bool Set to @formatConstant{true} if the tree view may have a header line.
#define TREEVIEW_RESIZE_HEADER				'tvrh'			///< ::Bool Set to @formatConstant{true} if the column width can be changed by the user.
#define TREEVIEW_MOVE_COLUMN					'tvmc'			///< ::Bool Set to @formatConstant{true} if the user can move the columns.
#define TREEVIEW_FIXED_LAYOUT					'tvfl'			///< ::Bool Set to @formatConstant{true} if all lines have the same height.
#define TREEVIEW_NOAUTOCOLUMNS				'noau'			///< ::Bool Set to @formatConstant{true} if only the first line is asked for the columns width, resulting in a huge speedup.
#define TREEVIEW_NO_OPEN_CTRLCLK			'tvcd'			///< ::Bool Set to @formatConstant{true} if it is not allowed to open the complete tree with Ctrl + Click.
#define TREEVIEW_ALT_DRAG							'tvad'			///< ::Bool Set to @formatConstant{true} if Alt should be used instead of Ctrl for drag and drop; implies item may be duplicated by Alt + Drag.
#define TREEVIEW_NO_BACK_DELETE				'tvnb'			///< ::Bool Set to @formatConstant{true} to disable "delete pressed" messages if backspace was hit.
#define TREEVIEW_NO_DELETE						'tvnd'			///< ::Bool Set to @formatConstant{true} to disable Delete Message Callback completely for backspace and delete.
#define TREEVIEW_ALTERNATE_BG					'tvab'			///< ::Bool Set to @formatConstant{true} to alternate background color per line.
#define TREEVIEW_CURSORKEYS						'tvck'			///< ::Bool Set to @formatConstant{true} if cursor keys should be processed. @b Note: The focus item has to be set to @formatConstant{nullptr} if it is deleted and this flag is set.
#define TREEVIEW_NOENTERRENAME				'tver'			///< ::Bool Set to @formatConstant{true} to suppress the rename popup when the user presses enter.
#define TREEVIEW_NO_VERTICALSCROLL		'novs'			///< ::Bool Set to @formatConstant{true} to disable vertical scrolling and show the full list.
#define TREEVIEW_ADDROW								'adrw'			///< ::Bool Set to @formatConstant{true} to show an add new column row at the bottom of the list.
#define TREEVIEW_RESIZABLE						'rsiz'			///< ::Bool Set to @formatConstant{true} to make treeview resizable by dragging the bottom edge.
#define TREEVIEW_CUSTOM_BG_COLOR			'cubg'			///< Custom background color. Can be an Int32 color ID (@see c4d_colors.h) or a Vector color in range [0.0, 1.0]. If unset, default application background color will be used. @b Notes: Only is applied if TREEVIEW_ALTERNATE_BG is @formatConstant{false}; TreeViewFunctions::GetBackgroundColor() overrides it. @since R23
#define TREEVIEW_VERTICAL_SPACE     	'spcy'			///< ::Int32 Vertical space between lines in pixels.
#define TREEVIEW_HIDE_HIERARCHY_LINES 'hihl' 			///< ::Bool Set to @formatConstant{true} to hide the hierarchical lines. Note: only affects visibility of the lines, the indentation levels and fold/unfold symbols visibility remains unchanged.
#define TREEVIEW_NO_ENTER_FORWARD			'noef' 			///< ::Bool If @ref TREEVIEW_NOENTERRENAME is set to @formatConstant{true}, this setting can be set to @formatConstant{true} to avoid forwarding the Enter key message to super/parent classes, for example to avoid losing the tree focus when Enter key is pressed. Note that enter forwarding might be needed in some situations, e.g. when the dialog owning the tree has Ok/Cancel buttons and Enter must do the same action as pressing the OK button. @since 2023.100
#define TREEVIEW_DRAG_START_REQUIRES_MOVEMENT	'dsrm'	///< ::Bool Set to @formatConstant{true} if drag & drop events should happen only when mouse has really moved. @since 2023.200

/// @}

/// @addtogroup TREEVIEW_DRAGSTART
/// @ingroup group_enumeration
/// @{
#define TREEVIEW_DRAGSTART_ALLOW		1			///< Allow dragging.
#define TREEVIEW_DRAGSTART_SELECT		2			///< Select the picked object.
/// @}


/// @addtogroup LV_COLUMN
/// @ingroup group_enumeration
/// @{
#define LV_TREE					'tree'			///< Tree or list.
#define LV_USERTREE			'ustr'			///< %User tree. If set, the tree view calls TreeViewFunctions::DrawCell() for the left cell of each line (otherwise it would display the object's name in the cell). TreeViewFunctions::GetLineHeight() needs to be defined as well.
#define LV_USER					'user'			///< Custom.
#define LV_CHECKBOX			'cbox'			///< Checkbox. If set, the tree view calls TreeViewFunctions::IsChecked() and TreeViewFunctions::SetCheck() for each column and row.
#define LV_CHECKBOXUSER	'cboX'			///< Checkbox. If set, the tree view calls TreeViewFunctions::IsChecked() and TreeViewFunctions::SetCheck() for each column and row. User draw by TreeViewFunctions::DrawCell().
#define LV_SLIDER				'slid'			///< Slider. If set, the tree view calls TreeViewFunctions::GetFloatValue() and TreeViewFunctions::SetFloatValue() for each column and row.
#define LV_DROPDOWN			'drop'			///< Dropdown cycle box. If set, the tree view calls TreeViewFunctions::GetDropDownMenu() and TreeViewFunctions::SetDropDownMenu() for each column and row.
/// @}

/// @addtogroup LV_CHECKBOX
/// @ingroup group_enumeration
/// @{
#define LV_CHECKBOX_ENABLED		1			///< Checkbox is enabled.
#define LV_CHECKBOX_CHECKED		2			///< Checkbox is checked.
#define LV_CHECKBOX_TRISTATE	4			///< Checkbox tristate.
#define LV_CHECKBOX_HIDE			8			///< Checkbox is hidden.
#define LV_CHECKBOX_GREYEDOUT	16		///< Checkbox is greyed out.
/// @}

/// @addtogroup LV_COLUMN_WIDTH_LAYOUT
/// @ingroup group_enumeration
/// @{
#define LV_COLUMN_WIDTH_AUTOMATIC		-1		///< Within TreeViewFunctions::GetColumnWidth() return it to use automatic width for the given column. @since R18
#define LV_COLUMN_WIDTH_FIT					-2		///< Within TreeViewFunctions::GetColumnWidth() return it to use automatic fitting to available space for the given column. @since R18
/// @}


/// Use this to force a copy cursor. The next TreeViewFunctions::InsertObject() call will have <tt>bCopy = true</tt>.
#define ACCEPT_DRAG_OBJECT_FORCE_COPY	(1 << 30)

/// @markPrivate
#define LISTVIEW_TABLE_SIZE						59

class TreeViewCustomGui;

class GeUserArea;

//----------------------------------------------------------------------------------------
/// Tree/List view cell information.
//----------------------------------------------------------------------------------------
struct CellInfo
{
	GeUserArea	*frame;			///< The user area to draw in.

	Int32	xpos,				///< The position X coordinate.
				ypos,				///< The position Y coordinate.
				width,			///< The width.
				height;			///< The height.

	Int32	line,				///< The line.
				col;				///< The column.
};

//----------------------------------------------------------------------------------------
/// Tree/List view draw information.
//----------------------------------------------------------------------------------------
struct DrawInfo : public CellInfo
{
	GeData bgCol;			///< The background color, can be a vector or a color ID.
};

/// @addtogroup MOUSEINFO_BUTTON
/// @ingroup group_enumeration
/// @{
#define MOUSEINFO_BUTTON_LEFT		0			///< Left button.
#define MOUSEINFO_BUTTON_RIGHT	1			///< Right button.
#define MOUSEINFO_BUTTON_MIDDLE	2			///< Middle button.
/// @}

//----------------------------------------------------------------------------------------
/// Tree/List view mouse information.
//----------------------------------------------------------------------------------------
struct MouseInfo : public CellInfo
{
	Float	mx;							///< The mouse X coordinate.
	Float	my;							///< The mouse Y coordinate.
	Int32	button;					///< The mouse button: @enumerateEnum{MOUSEINFO_BUTTON}
	Float	mxRelative;			///< The mouse position relative to the end of the horizontal tree lines.\n
												///< Usually mouse coordinates are in list view space. This can become difficult when the user clicks into the @ref LV_USERTREE column, hence this member.
	Bool	startDrag;			///< Not used.
	Bool	startpaint,			///< This is needed in the Layer Manager. The user can change the state of the column by clicking somewhere and dragging the mouse.\n
												///< To start this drag, set <tt>startpaint = @formatConstant{true}</tt> in TreeViewFunctions::MouseDown().
				inpaint;				///< This is needed in the Layer Manager. The user can change the state of the column by clicking somewhere and dragging the mouse.\n
												///< TreeViewFunctions::MouseDown() will be called for each line with <tt>inpaint = @formatConstant{true}</tt>.
	const BaseContainer	*inputmsg;			///< The container originally sent to the @link GeUserArea::InputEvent InputEvent()@endlink of the tree view's user area. Always <tt>!= @formatConstant{nullptr}</tt>.
};

//----------------------------------------------------------------------------------------
/// Tree/List view drag information.
//----------------------------------------------------------------------------------------
struct DragInfo : public CellInfo
{
	Float	mx;								///< The mouse X coordinate.
	Float	my;								///< The mouse Y coordinate.
	BaseContainer msg;			///< The message container.

	void	*dragobject;			///< The dragged object.
	Int32	dragtype;					///< The drag type: @link DRAGTYPE_FILES DRAGTYPE@endlink
};

//-------------------------------------------------------------------------------------------------
/// DropDown menu information, filled out by the user
//-------------------------------------------------------------------------------------------------
struct TreeViewDropDownMenuInfo
{
	TreeViewDropDownMenuInfo() { entry = NOTOK; menu = nullptr; icons = nullptr; state = LV_CHECKBOX_ENABLED; }
	Int32 entry;						///< The selected entry
	BaseContainer *menu;		///< The menu itself described by id : string(name), user owns the pointed container
	BaseContainer *icons;		///< The icons for the menu described by id : int(icon), user owns the pointed container
	Int32 state;						///< Set to the current state of the dropdown
};

//-------------------------------------------------------------------------------------------------
/// Percentage floating slider information, filled out by the user.
//-------------------------------------------------------------------------------------------------
struct TreeViewFloatSliderInfo
{
	TreeViewFloatSliderInfo() :value(1.0), minValue(0.0), maxValue(1.0), minNominalValue(0.0), maxNominalValue(1.0), increment(0.01), floatFormat(FORMAT_PERCENT), state(LV_CHECKBOX_ENABLED), unit(0) {}

	Float value;						///< The current value for the entry
	Float minValue;					///< The minimum range of the slider as drawn
	Float maxValue;					///< The maximum range of the slider as drawn
	Float minNominalValue;	///< The minimum range of the slider should the user drag the value out of bounds to re-size the slider range extents
	Float maxNominalValue;	///< The minimum range of the slider should the user drag the value out of bounds to re-size the slider range extents
	Float increment;				///< The increment used for vertical modification
	Int32 floatFormat;			///< The format one of the following FORMAT_PERCENT, FORMAT_DEGREE, FORMAT_REAL, FORMAT_METER
	Int32 state;						///< Set to the current state of the slider
	Int32	unit;							///< The sliders unit
};

//----------------------------------------------------------------------------------------
/// Callback for TreeViewFunctions::VisitChildren. Called for each child.
/// @param[in] root								The tree view root.
/// @param[in] obj								The child object.
/// @param[in] userdata						The user data.
/// @param[in] data1							The first data.
/// @param[in] data2							The second data.
/// @param[out] bCont							Set to @formatConstant{true} to continue browsing, otherwise to @formatConstant{false}.
/// @return												@trueIfOtherwiseFalse{successful}
//----------------------------------------------------------------------------------------
typedef Bool (*VisitChildrenCallback)(void* root, void* obj, void* userdata, void* data1, void* data2, Bool &bCont);


/// @addtogroup ID_TREEVIEW
/// @ingroup group_enumeration
/// @{
enum
{
	ID_TREEVIEW_CONTEXT_DISABLE = 1000,									///< Return an empty container to disable context menu in tree view.
	ID_TREEVIEW_CONTEXT_REMOVE = FIRST_POPUP_ID,				///< Remove the current item.
	ID_TREEVIEW_CONTEXT_RESET,													///< Remove all items.
	ID_TREEVIEW_FIRST_NEW_ID = FIRST_POPUP_ID + 10			///< First custom popup menu ID.
};
/// @}

//----------------------------------------------------------------------------------------
/// Inherit this class to supply a data and view model for TreeViewCustomGui. See @em ActiveObject.cpp SDK example.
//----------------------------------------------------------------------------------------
class TreeViewFunctions
{
	public:

		/// @name Destructor
		/// @{

		//----------------------------------------------------------------------------------------
		/// Destructor
		//----------------------------------------------------------------------------------------
		virtual ~TreeViewFunctions() { }

		/// @}

		/// @name Navigation
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the first object of the tree.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @return												The first object.
		//----------------------------------------------------------------------------------------
		virtual void* GetFirst(void *root, void *userdata) = 0;

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the first child of @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												The first child of @formatParam{obj}.
		//----------------------------------------------------------------------------------------
		virtual void* GetDown(void *root, void *userdata, void *obj) = 0;

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the object after @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												The object after @formatParam{obj}.
		//----------------------------------------------------------------------------------------
		virtual void* GetNext(void *root, void *userdata, void *obj) = 0;

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the object before @formatParam{obj}.
		/// @note This is only used for drag and drop checks.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												The object before @formatParam{obj}.
		//----------------------------------------------------------------------------------------
		virtual void* GetPred(void *root, void *userdata, void *obj);

		/// @}

		/// @name Layout
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the column width of object @formatParam{obj} in column @formatParam{col}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] col								The column index.
		/// @param[in] area								The user area used to determine the text width with @formatParam{area}->@link GeUserArea::DrawGetTextWidth DrawGetTextWidth()@endlink. @callerOwnsPointed{user area}
		/// @return												The column width.
		//----------------------------------------------------------------------------------------
		virtual Int32 GetColumnWidth(void *root, void *userdata, void *obj, Int32 col, GeUserArea* area);

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the width of the header for column @formatParam{col}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] col								The column index.
		/// @param[in] area								The user area used to determine the text width with @formatParam{area}->@link GeUserArea::DrawGetTextWidth DrawGetTextWidth()@endlink. @callerOwnsPointed{user area}
		/// @return												The header column width, or a negative number for auto header width.
		//----------------------------------------------------------------------------------------
		virtual Int32 GetHeaderColumnWidth(void *root, void *userdata, Int32 col, GeUserArea* area);

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the minimum header height.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] area								The user area used to determine the text width with @formatParam{area}->@link GeUserArea::DrawGetTextWidth DrawGetTextWidth()@endlink. @callerOwnsPointed{user area}
		/// @return												The minimum header height, or a negative value for auto header height.
		//----------------------------------------------------------------------------------------
		virtual Int32 GetMinHeaderHeight(void *root, void *userdata, GeUserArea* area);

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the line height of object @formatParam{obj} in column @formatParam{col}. Always return a positive value.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] col								The column index.
		/// @param[in] area								The user area used to determine the text width with @formatParam{area}->@link GeUserArea::DrawGetTextWidth DrawGetTextWidth()@endlink. @callerOwnsPointed{user area}
		/// @return												The line height.
		//----------------------------------------------------------------------------------------
		virtual Int32 GetLineHeight(void *root, void *userdata, void *obj, Int32 col, GeUserArea* area); // always return a value > 0 !

		//----------------------------------------------------------------------------------------
		/// Called to specify the text colors of object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[out] pNormal						Set this to the normal text color for @formatParam{obj}. Can be a vector or a color ID. @callerOwnsPointed{data}
		/// @param[out] pSelected					Set this to the selected text color for @formatParam{obj}. Can be a vector or a color ID. @callerOwnsPointed{data}
		//----------------------------------------------------------------------------------------
		virtual void GetColors(void *root, void *userdata, void *obj, GeData* pNormal, GeData* pSelected);

		//----------------------------------------------------------------------------------------
		/// Called to specify the background color of @formatParam{line}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] line								The line index.
		/// @param[out] col								Set this to the background color for @formatParam{line}. Can be a vector or a color ID. @callerOwnsPointed{data}
		//----------------------------------------------------------------------------------------
		virtual void GetBackgroundColor(void* root, void* userdata, void* obj, Int32 line, GeData* col);

		/// @}

		/// @name Draw
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to draw the cell for object @formatParam{obj} in column @formatParam{col} into the user area in @formatParam{drawinfo}->@link DrawInfo::frame frame@endlink.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] col								The column index.
		/// @param[in] drawinfo						The draw information. @callerOwnsPointed{draw information}
		/// @param[in] bgColor						The background color. Can be a vector or a color ID.
		//----------------------------------------------------------------------------------------
		virtual void DrawCell(void *root, void *userdata, void *obj, Int32 col, DrawInfo *drawinfo, const GeData &bgColor);

		//----------------------------------------------------------------------------------------
		/// Called to draw the header for column @formatParam{col} into the user area in @formatParam{drawinfo}->@link DrawInfo::frame frame@endlink.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] col								The column index.
		/// @param[in] drawinfo						The draw information. @callerOwnsPointed{draw information}
		/// @return												@formatConstant{true} if you have drawn the header or @formatConstant{false} if the header should be drawn by the tree view.
		//----------------------------------------------------------------------------------------
		virtual Bool DrawHeaderCell(void *root, void *userdata, Int32 col, DrawInfo *drawinfo);

		/// @}

		/// @name Select
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the selection status of object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												@trueIfOtherwiseFalse{the object is selected}
		//----------------------------------------------------------------------------------------
		virtual Bool IsSelected(void *root, void *userdata, void *obj) = 0;

		//----------------------------------------------------------------------------------------
		/// Called to select object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] mode								The selection mode: @enumerateEnum{SELECTION}
		//----------------------------------------------------------------------------------------
		virtual void Select(void *root, void *userdata, void *obj, Int32 mode);

		/// @}

		/// @name Open
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the folding status of object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												@trueIfOtherwiseFalse{the object is opened}
		//----------------------------------------------------------------------------------------
		virtual Bool IsOpened(void *root, void *userdata, void *obj) = 0;

		//----------------------------------------------------------------------------------------
		/// Called to open or close object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] onoff							@trueIfOtherwiseFalse{@formatParam{obj} should be opened}
		//----------------------------------------------------------------------------------------
		virtual void Open(void *root, void *userdata, void *obj, Bool onoff);

		/// @}

		/// @name Name and Bubble help
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the name of object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												The object name.
		//----------------------------------------------------------------------------------------
		virtual String GetName(void *root, void *userdata, void *obj) = 0;

		//----------------------------------------------------------------------------------------
		/// Called to set the name of object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] str								The new object name.
		//----------------------------------------------------------------------------------------
		virtual void SetName(void *root, void *userdata, void *obj, const maxon::String &str);

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the bubble help of object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] col								The column index.
		/// @param[in] info								The cell information.
		/// @return												The bubble help of the object. Mouse cursor change is supported by adding this suffix: "&mXX&" where XX is a mouse cursor ID: @enumerateEnum{MOUSE}. Example:
		/// @code
		/// return GeLoadString(IDS_MY_BUBBLE_HELP) + "&m"_s + String::IntToString(MOUSE_POINT_HAND) + "&"_s;
		///	@endcode
		//----------------------------------------------------------------------------------------
		virtual String GetBubbleHelp(void* root, void* userdata, void* obj, Int32 col, MouseInfo* info);

		/// @}

		/// @name ID
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the ID of object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												The object ID.
		//----------------------------------------------------------------------------------------
		virtual Int GetId(void *root, void *userdata, void *obj) = 0;

		/// @}

		/// @name Check
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the checkbox status of object @formatParam{obj} for column @formatParam{lColumn}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column index.
		/// @return												A combination of the following flags or @ref NOTOK to show no checkbox: @enumerateEnum{LV_CHECKBOX}
		//----------------------------------------------------------------------------------------
		virtual Int32 IsChecked(void *root, void *userdata, void *obj, Int32 lColumn);

		//----------------------------------------------------------------------------------------
		/// Called to set the checkbox status of object @formatParam{obj}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column index.
		/// @param[in] bCheck							@trueIfOtherwiseFalse{the checkbox should be checked}
		/// @param[in] bcMsg							The container originally sent to the @link GeUserArea::InputEvent InputEvent()@endlink of the tree view's user area.
		//----------------------------------------------------------------------------------------
		virtual void SetCheck(void *root, void *userdata, void *obj, Int32 lColumn, Bool bCheck, const BaseContainer& bcMsg);

		/// @}

		/// @name Tristate
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the tristate flag of the tree.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @return												@trueIfOtherwiseFalse{the tristate flag is set}
		//----------------------------------------------------------------------------------------
		virtual Bool IsTristate(void *root, void *userdata);

		/// @}

		/// @name Drag
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the drag type of object @formatParam{obj}, i.e. the type that the user would get if he started a drag in that cell.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												The object drag type, or @ref NOTOK to disable drag-and-drop: @link DRAGTYPE_FILES DRAGTYPE@endlink
		//----------------------------------------------------------------------------------------
		virtual Int32 GetDragType(void *root, void *userdata, void *obj) = 0;

		//----------------------------------------------------------------------------------------
		/// Called to determine if object @formatParam{obj} can be dragged or not and if dragged objects will be selected or not.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												A combination of the following flags: @enumerateEnum{TREEVIEW_DRAGSTART}
		//----------------------------------------------------------------------------------------
		virtual Int32 DragStart(void *root, void *userdata, void *obj);

		//----------------------------------------------------------------------------------------
		/// Called to check if object @formatParam{obj} can accept the specified drag-and-drop action, and in that case what the result would be.
		/// @note if @formatParam{obj} is @formatConstant{nullptr} @formatParam{dragobject} should be inserted as a child of the root.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] dragtype						The drag type: @link DRAGTYPE_FILES DRAGTYPE@endlink
		/// @param[in] dragobject					The drag object. @callerOwnsPointed{object}
		/// @param[in] bAllowCopy					@trueIfOtherwiseFalse{copying is allowed to this position.}
		/// @return												The result: @enumerateEnum{INSERT}\n
		/// 															The @ref ACCEPT_DRAG_OBJECT_FORCE_COPY bit flag can be used together with the @ref INSERT constants.
		//----------------------------------------------------------------------------------------
		virtual Int32 AcceptDragObject(void *root, void *userdata, void *obj, Int32 dragtype, void *dragobject, Bool &bAllowCopy);

		//----------------------------------------------------------------------------------------
		/// Called to set the drag object to @formatParam{obj}.
		/// @note	Useful to determine if dragging happens internally (rearrange items) or externally (dragged items from another tree for instance).
		///				To check this, store the drag object data and compare it with @em dragobject in InsertObject().
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								The drag object on drag start.
		//----------------------------------------------------------------------------------------
		virtual void SetDragObject(void *root, void *userdata, void *obj);

		//----------------------------------------------------------------------------------------
		/// Called to generate a drag array for object @formatParam{obj} in @formatParam{ar}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								The drag object.
		/// @param[out] ar								Fill this array with the drag objects for @formatParam{obj}. @callerOwnsPointed{array}
		//----------------------------------------------------------------------------------------
		virtual void GenerateDragArray(void *root, void *userdata, void *obj, AtomArray* ar);

		//----------------------------------------------------------------------------------------
		/// Called to generate drag data and return a pointer to it in @formatParam{dragdata}, to be freed with FreeDragData().
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								The drag object.
		/// @param[out] dragdata					Points to a pointer that should be set to the generated drag data.
		//----------------------------------------------------------------------------------------
		virtual void GenerateDragData(void *root, void *userdata, void* obj, void **dragdata);

		//----------------------------------------------------------------------------------------
		/// Called to free the drag data generated by GenerateDragData().
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in,out] dragdata				The drag data to free.
		//----------------------------------------------------------------------------------------
		virtual void FreeDragData(void *root, void *userdata, void *dragdata);

		/// @}

		/// @name Insert Object
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to insert @formatParam{dragobject} as specified.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] dragtype						The drag type: @link DRAGTYPE_FILES DRAGTYPE@endlink
		/// @param[in] dragobject					The drag object on drag receive. @callerOwnsPointed{object}
		/// @param[in] insertmode					The insert mode: @enumerateEnum{INSERT}
		/// @param[in] bCopy							@trueIfOtherwiseFalse{the object should be copied}
		//----------------------------------------------------------------------------------------
		virtual void InsertObject(void *root, void *userdata, void *obj, Int32 dragtype, void *dragobject, Int32 insertmode, Bool bCopy);

/// @addtogroup INSERT
/// @ingroup group_enumeration
/// @{
#define INSERT_BEFORE		(1 << 0)			///< Insert before.
#define INSERT_AFTER		(1 << 1)			///< Insert after.
#define INSERT_UNDER		(1 << 2)			///< Insert under.
#define INSERT_REPLACE  (1 << 3)			///< Replace the object.
/// @}

		/// @}

		/// @name Context Menu
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to build a context menu for object @formatParam{obj} and column @formatParam{lColumn}. See ShowPopupMenu() for the format.
		/// @note @formatParam{bc} container already contains 2 default items: @ref ID_TREEVIEW_CONTEXT_REMOVE and @ref ID_TREEVIEW_CONTEXT_RESET. These may be removed.\n
		///				The added menu entry IDs must be larger than @ref ID_TREEVIEW_FIRST_NEW_ID.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column index.
		/// @param[in,out] bc							Add context menu entries to this container. @callerOwnsPointed{container}
		//----------------------------------------------------------------------------------------
		virtual void CreateContextMenu(void *root, void *userdata, void *obj, Int32 lColumn, BaseContainer* bc);

		//----------------------------------------------------------------------------------------
		/// Called by a command in the context menu setup in CreateContextMenu().
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column index.
		/// @param[in] lCommand						The menu command ID.
		/// @return												@trueIfOtherwiseFalse{the command has been processed and the data needs to be updated}
		//----------------------------------------------------------------------------------------
		virtual Bool ContextMenuCall(void *root, void *userdata, void *obj, Int32 lColumn, Int32 lCommand);

		/// @}

		/// @name Header/Column
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the sort mode of column @formatParam{lColID}.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] lColID							The column index.
		/// @return												The sort direction.
		//----------------------------------------------------------------------------------------
		virtual Int32 GetHeaderSortArrow(void *root, void *userdata, Int32 lColID);

		//----------------------------------------------------------------------------------------
		/// Called to check if column @formatParam{lColID} can be resized or not.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] lColID							The column index.
		/// @return												@trueIfOtherwiseFalse{the column can be resized}
		//----------------------------------------------------------------------------------------
		virtual Bool IsResizeColAllowed(void *root, void *userdata, Int32 lColID);

		//----------------------------------------------------------------------------------------
		/// Called to check if column @formatParam{lColID} can be moved or not.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] lColID							The column index.
		/// @return												@trueIfOtherwiseFalse{the column can be moved}
		//----------------------------------------------------------------------------------------
		virtual Bool IsMoveColAllowed(void *root, void *userdata, Int32 lColID);

		/// @}

		/// @name Input Events
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called when an input event is received. All information about the input event is stored in the @formatParam{msg} container.\n
		/// See @link page_input_events Input Events@endlink for more information. See also @ref MOUSEMOVE_DELTA.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] pArea							The user area of the tree view. @callerOwnsPointed{user area}
		/// @param[in] msg								The event container.
		/// @return												@trueIfOtherwiseFalse{the event was handled}
		//----------------------------------------------------------------------------------------
		virtual Bool InputEvent(void* root, void* userdata, GeUserArea* pArea, const BaseContainer &msg);

		//----------------------------------------------------------------------------------------
		/// Called when a mouse down event is received.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] col								The column index.
		/// @param[in] mouseinfo					The mouse information. @callerOwnsPointed{mouse information}
		/// @param[in] rightButton				@trueIfOtherwiseFalse{the right mouse button was used}
		/// @return												@trueIfOtherwiseFalse{the event was handled}
		//----------------------------------------------------------------------------------------
		virtual Bool MouseDown(void *root, void *userdata, void *obj, Int32 col, MouseInfo *mouseinfo, Bool rightButton);

		//----------------------------------------------------------------------------------------
		/// Called when a mouse double click event is received.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @param[in] col								The column index.
		/// @param[in] mouseinfo					The mouse information. @callerOwnsPointed{mouse information}
		/// @return												!=0 if the event was handled.
		//----------------------------------------------------------------------------------------
		virtual Int32 DoubleClick(void *root, void *userdata, void *obj, Int32 col, MouseInfo *mouseinfo); // return false, if you want to open the rename dialog

		//----------------------------------------------------------------------------------------
		/// Called when a delete event is received.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		//----------------------------------------------------------------------------------------
		virtual void DeletePressed(void *root, void *userdata);

		//----------------------------------------------------------------------------------------
		/// Called when a header has been clicked.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] lColID							The column index.
		/// @param[in] lChannel						The mouse channel: @enumerateEnum{BFM_INPUT_CHANNEL}
		/// @param[in] bDblClk						@trueOtherwiseFalse{for double-click event}
		/// @param[in] mouseX							The mouse horizontal position local to the left hand edge of the column or NOTOK if dragging a column
		/// @param[in] mouseY							The mouse vertical position local to the header top or NOTOK if dragging a column
		/// @param[in] ua									The header's userarea or nullptr if TREEVIEW_MOVE_COLUMN is set to true.
		/// @return												@trueIfOtherwiseFalse{the tree view needs to be updated}
		//----------------------------------------------------------------------------------------
		virtual Bool HeaderClick(void *root, void *userdata, Int32 lColID, Int32 lChannel, Bool bDblClk, Int32 mouseX, Int32 mouseY, GeUserArea* ua);

		/// @}

		/// @name Notifications
		/// @{

		//----------------------------------------------------------------------------------------
		/// Called when the tree view has been scrolled.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] h									The horizontal scroll steps.
		/// @param[in] v									The vertical scroll steps.
		/// @param[in] x									The X offset.
		/// @param[in] y									The Y offset.
		//----------------------------------------------------------------------------------------
		virtual void Scrolled(void *root, void *userdata, Int32 h, Int32 v, Int32 x, Int32 y);

		//----------------------------------------------------------------------------------------
		/// Called when a paint selection has been performed in the tree view.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		//----------------------------------------------------------------------------------------
		virtual void PaintFinished(void *root, void *userdata);

		//----------------------------------------------------------------------------------------
		/// Called when a column has been moved.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] lColID							The column index.
		/// @param[in] lInsertBeforeCol		The column to insert @formatParam{lColID} before.
		/// @param[in] plIndexMap					The column index map array. @callerOwnsPointed{array}
		/// @param[in] pbcLayout					The new layout container. Basically the same as the container passed in TreeViewCustomGui::SetLayout() but reflecting the changed column order.
		/// @return												@trueIfOtherwiseFalse{the move is acceptable}\n
		/// 															If @formatConstant{false} is returned the layout change is canceled.
		//----------------------------------------------------------------------------------------
		virtual Bool ColumnMoved(void *root, void *userdata, Int32 lColID, Int32 lInsertBeforeCol, Int32* plIndexMap, const BaseContainer* pbcLayout);

		//----------------------------------------------------------------------------------------
		/// Called when selection has changed.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		//----------------------------------------------------------------------------------------
		virtual void SelectionChanged(void *root, void *userdata);

		/// @}

		/// @name Private
		/// @{

		//----------------------------------------------------------------------------------------
		/// @markPrivate
		//----------------------------------------------------------------------------------------
		virtual void InitCache(void *root, void *userdata);

		//----------------------------------------------------------------------------------------
		/// @markPrivate
		//----------------------------------------------------------------------------------------
		virtual Bool PythonCleanup(void *root, void *userdata);

		//----------------------------------------------------------------------------------------
		/// Gets a drop down menu and it's current selected entry.
		///
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column.
		/// @param[out] menuInfo					The MenuInfo that the user must fill out.
		//----------------------------------------------------------------------------------------
		virtual void GetDropDownMenu(void *root, void *userdata, void *obj, Int32 lColumn, TreeViewDropDownMenuInfo* menuInfo);

		//----------------------------------------------------------------------------------------
		/// Called to set the current menu entry by e.g. user interaction.
		///
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column.
		/// @param[in] entry							The entry that the user has picked.
		//----------------------------------------------------------------------------------------
		virtual void SetDropDownMenu(void *root, void *userdata, void *obj, Int32 lColumn, Int32 entry);

		//----------------------------------------------------------------------------------------
		/// Gets the value and ranges for a float slider.
		///
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column.
		/// @param[out] sliderInfo				The information that the user must fill out about the slider, it's
		/// 															range and values.
		//----------------------------------------------------------------------------------------
		virtual void GetFloatValue(void *root, void *userdata, void *obj, Int32 lColumn, TreeViewFloatSliderInfo* sliderInfo);

		//----------------------------------------------------------------------------------------
		/// Sets the float value from the slider by e.g. user interaction.
		///
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column.
		/// @param[in] value							The value to set.
		//----------------------------------------------------------------------------------------
		virtual void SetFloatValueEx(void *root, void *userdata, void *obj, Int32 lColumn, Float value);

		//----------------------------------------------------------------------------------------
		/// Requests to add a row to the treeview
		///
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		///
		/// @return												true if it succeeds, false if it fails.
		//----------------------------------------------------------------------------------------
		virtual Bool AddRow(void* root, void* userdata);

		//----------------------------------------------------------------------------------------
		/// Requests the text to display when the treeview area is completely empty such as "Drag falloff object's here"
		///
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		///
		/// @return												the text to display in the empty treeview area.
		//----------------------------------------------------------------------------------------
		virtual String EmptyText(void* root, void* userdata);

		//----------------------------------------------------------------------------------------
		/// Checks if the object is selectable, used to determine if the object should be skipped (not selectable) or not (selectable) when changing selection with keyboard (Up/Down/Home/End keys).
		///
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		/// @param[in] obj								An object in the tree.
		///
		/// @return												@trueIfOtherwiseFalse{The object is selectable}
		//----------------------------------------------------------------------------------------
		virtual Bool IsSelectable(void *root, void *userdata, void *obj);

		/// @}

		/// @name Non-Overridable
		/// @{

		//----------------------------------------------------------------------------------------
		/// Visits object @formatParam{obj} and all its children, calling <tt>@formatParam{fn}(@formatParam{root}, @formatParam{obj}, @formatParam{userdata}, @formatParam{data1}, @formatParam{data2}, result)</tt> for each object.
		/// @param[in] root								The tree root.
		/// @param[in] obj								An object in the tree.
		/// @param[in] fn									Callback to evaluate for each child.
		/// @param[in] userdata						The user data.
		/// @param[in] data1							The first data.
		/// @param[in] data2							The second data.
		/// @return												@trueIfOtherwiseFalse{all evaluations were successful}
		//----------------------------------------------------------------------------------------
		Bool VisitChildren(void* root, void* obj, VisitChildrenCallback fn, void* userdata, void* data1, void* data2);

		//----------------------------------------------------------------------------------------
		/// Sets the float value from the slider by e.g. user interaction.
		///
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		/// @param[in] obj								An object in the tree.
		/// @param[in] lColumn						The column.
		/// @param[in] value							The value to set.
		/// @param[in] finalValue					True if this is the final value that will be set for this interaction.
		//----------------------------------------------------------------------------------------
		virtual void SetFloatValue(void *root, void *userdata, void *obj, Int32 lColumn, Float value, Bool finalValue);

		//----------------------------------------------------------------------------------------
		/// Called to retrieve the name of object @formatParam{obj} for display in the edit text box.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The user data.
		/// @param[in] obj								An object in the tree.
		/// @return												The object name.
		//----------------------------------------------------------------------------------------
		virtual String GetNameForEdit(void* root, void* userdata, void* obj);

		//----------------------------------------------------------------------------------------
		/// StartInput is called before input loop starts.
		/// This functions allows to lock resources while input events are executed.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		/// @return                       data which will be passed to FinishInput().
		//----------------------------------------------------------------------------------------
		virtual maxon::Result<maxon::Data> StartInput(void* root, void* userdata);

		//----------------------------------------------------------------------------------------
		/// FinishInput is called at the end of the complete input handling.
		/// @param[in] root								The tree root.
		/// @param[in] userdata						The userdata.
		/// @param[in] data								Data generated in StartInput()
		//----------------------------------------------------------------------------------------
		virtual void FinishInput(void* root, void* userdata, maxon::Data& data);

		/// @}
};


/// @cond IGNORE

// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF
// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF
// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF

class CINEWARE_SINGLEINHERITANCE TreeViewF
{
public:
	Int32		GetTableSize() { return LISTVIEW_TABLE_SIZE; }

	// Navigation Functions
	void*		GetFirst(TreeViewFunctions* pFuncs, void *root, void *userdata);
	void*		GetDown(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	void*		GetNext(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	void*		GetPred(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);

	// Layout&Draw Functions
	Int32		GetColumnWidth(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, GeUserArea* area);
	Int32		GetHeaderColumnWidth(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 col, GeUserArea* area);
	Int32		GetMinHeaderHeight(TreeViewFunctions* pFuncs, void *root, void *userdata, GeUserArea* area);
	Int32		GetLineHeight(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, GeUserArea* area);
	void		GetColors(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, GeData* pNormal, GeData* pSelected);
	void		GetBackgroundColor(TreeViewFunctions* pFuncs, void* root, void* userdata, void* obj, Int32 line, GeData* col);
	void		DrawCell(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, DrawInfo *drawinfo, const GeData& bgColor);
	Bool		DrawHeaderCell(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 col, DrawInfo *drawinfo);

	// Get Functions
	Bool		IsSelected(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	Bool		IsOpened(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	String		GetName(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	Int			GetId(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	Int32		GetDragType(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	Int32		DragStart(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	Int32		IsChecked(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn);
	Bool		IsTristate(TreeViewFunctions* pFuncs, void *root, void *userdata);

	// Set Functions
	void		Open(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Bool onoff);
	void		SetName(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, const maxon::String &str);
	void		Select(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 mode);
	Int32		AcceptDragObject(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 dragtype, void *dragobject, Bool &bAllowCopy);
	void		InsertObject(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 dragtype, void *dragobject, Int32 insertmode, Bool bCopy);
	void		SetCheck(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Bool bCheck, const BaseContainer& bcMsg);

	// GUI and Drag&Drop
	void		CreateContextMenu(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, BaseContainer* bc);
	void		SetDragObject(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	void		GenerateDragArray(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, AtomArray* ar);
	void		GenerateDragData(TreeViewFunctions* pFuncs, void *root, void *userdata, void* obj, void **dragdata);
	void		FreeDragData(TreeViewFunctions* pFuncs, void *root, void *userdata, void *dragdata);
	Int32		GetHeaderSortArrow(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID);
	Bool		IsResizeColAllowed(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID);
	Bool		IsMoveColAllowed(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID);

	Bool		InputEvent(TreeViewFunctions* pFuncs, void* root, void* userdata, GeUserArea* pArea, const BaseContainer &msg);
	Bool		MouseDown(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, MouseInfo *mouseinfo, Bool rightButton);
	Int32		DoubleClick(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, MouseInfo *mouseinfo);
	void		DeletePressed(TreeViewFunctions* pFuncs, void *root, void *userdata);

	// Notifications
	void		Scrolled(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 h, Int32 v, Int32 x, Int32 y);
	void		PaintFinished(TreeViewFunctions* pFuncs, void *root, void *userdata);
	Bool		ColumnMoved(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID, Int32 lInsertBeforeCol, Int32* plIndexMap, const BaseContainer* pbcLayout);
	void		SelectionChanged(TreeViewFunctions* pFuncs, void *root, void *userdata);
	Bool		HeaderClick(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID, Int32 lChannel, Bool bDbl, Int32 mouseX, Int32 mouseY, GeUserArea* ua);
	Bool		ContextMenuCall(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Int32 lCommand);

	void		InitCache(TreeViewFunctions* pFuncs, void *root, void *userdata);
	Bool		PythonCleanup(TreeViewFunctions* pFuncs, void *root, void *userdata);

	void		GetDropDownMenu(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, TreeViewDropDownMenuInfo* menuInfo);
	void		SetDropDownMenu(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Int32 entry);
	void		GetFloatValue(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, TreeViewFloatSliderInfo* sliderInfo);
	void		SetFloatValueEx(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Float value);

	Bool		AddRow(TreeViewFunctions* pFuncs, void* root, void* userdata);

	String	EmptyText(TreeViewFunctions* pFuncs, void* root, void* userdata);

	String	GetBubbleHelp(TreeViewFunctions* pFuncs, void* root, void* userdata, void* obj, Int32 col, MouseInfo* info);
	void		SetFloatValue(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Float value, Bool finalValue);
	Bool		IsSelectable(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);

	String		GetNameForEdit(TreeViewFunctions* pFuncs, void* root, void* userdata, void* obj);

	maxon::Result<maxon::Data> StartInput(TreeViewFunctions* pFuncs, void* root, void* userdata);
	void FinishInput(TreeViewFunctions* pFuncs, void* root, void* userdata, maxon::Data& obj);
};

struct InternalFunctionTable
{
	/* 1*/ Int32		(TreeViewF::*GetTableSize)();

	// Navigation functions
	/* 2*/ void*		(TreeViewF::*GetFirst)(TreeViewFunctions* pFuncs, void *root, void *userdata);
	/* 3*/ void*		(TreeViewF::*GetDown)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	/* 4*/ void*		(TreeViewF::*GetNext)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	/* 5*/ void*		(TreeViewF::*GetPred)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj); // only for drag&drop check

	// Layout&Draw functions
	/* 6*/ Int32		(TreeViewF::*GetColumnWidth)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, GeUserArea* area);
	/* 7*/ Int32		(TreeViewF::*GetHeaderColumnWidth)(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 col, GeUserArea* area);
	/* 8*/ Int32		(TreeViewF::*GetMinHeaderHeight)(TreeViewFunctions* pFuncs, void *root, void *userdata, GeUserArea* area);
	/* 9*/ Int32		(TreeViewF::*GetLineHeight)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, GeUserArea* area);
	/*10*/ void			(TreeViewF::*GetColors)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, GeData* pNormal, GeData* pSelected);
	/*11*/ void			(TreeViewF::*GetBackgroundColor)(TreeViewFunctions* pFuncs, void* root, void* userdata, void* obj, Int32 line, GeData* col);
	/*12*/ void			(TreeViewF::*DrawCell)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, DrawInfo *drawinfo, const GeData &bgColor);
	/*13*/ Bool			(TreeViewF::*DrawHeaderCell)(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 col, DrawInfo *drawinfo);

	// Get functions
	/*14*/ Bool			(TreeViewF::*IsSelected)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	/*15*/ Bool			(TreeViewF::*IsOpened)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	/*16*/ String		(TreeViewF::*GetName)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	/*17*/ Int			(TreeViewF::*GetId)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	/*18*/ Int32		(TreeViewF::*GetDragType)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj); // return NOTOK to disable D&D
	/*19*/ Int32		(TreeViewF::*DragStart)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	/*20*/ Int32		(TreeViewF::*IsChecked)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn);
	/*21*/ Bool			(TreeViewF::*IsTristate)(TreeViewFunctions* pFuncs, void *root, void *userdata);

	// Set functions
	/*22*/ void			(TreeViewF::*Open)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Bool onoff);
	/*23*/ void			(TreeViewF::*SetName)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, const maxon::String &str);
	/*24*/ void			(TreeViewF::*Select)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 mode);
	/*25*/ Int32		(TreeViewF::*AcceptDragObject)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 dragtype, void *dragobject, Bool &bAllowCopy); // return INSERT_xxx
	/*26*/ void			(TreeViewF::*InsertObject)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 dragtype, void *dragobject, Int32 insertmode, Bool bCopy);
	/*27*/ void			(TreeViewF::*SetCheck)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Bool bCheck, const BaseContainer& bcMsg);

	// GUI and Drag&Drop
	/*28*/ void			(TreeViewF::*CreateContextMenu)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, BaseContainer* bc);
	/*29*/ void			(TreeViewF::*SetDragObject)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);
	/*30*/ void			(TreeViewF::*GenerateDragArray)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, AtomArray* ar);
	/*31*/ void			(TreeViewF::*GenerateDragData)(TreeViewFunctions* pFuncs, void *root, void *userdata, void* obj, void **dragdata);
	/*32*/ void			(TreeViewF::*FreeDragData)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *dragdata);
	/*33*/ Int32		(TreeViewF::*GetHeaderSortArrow)(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID);
	/*34*/ Bool			(TreeViewF::*IsResizeColAllowed)(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID);
	/*35*/ Bool			(TreeViewF::*IsMoveColAllowed)(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID);

	/*36*/ Bool			(TreeViewF::*InputEvent)(TreeViewFunctions* pFuncs, void* root, void* userdata, GeUserArea* pArea, const BaseContainer &msg);
	/*37*/ Bool			(TreeViewF::*MouseDown)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, MouseInfo *mouseinfo, Bool rightButton);
	/*38*/ Int32		(TreeViewF::*DoubleClick)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 col, MouseInfo *mouseinfo); // return false, if you want to open the rename dialog
	/*39*/ void			(TreeViewF::*DeletePressed)(TreeViewFunctions* pFuncs, void *root, void *userdata);

	// Notifications
	/*40*/ void			(TreeViewF::*Scrolled)(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 h, Int32 v, Int32 x, Int32 y);
	/*41*/ void			(TreeViewF::*PaintFinished)(TreeViewFunctions* pFuncs, void *root, void *userdata);
	/*42*/ Bool			(TreeViewF::*ColumnMoved)(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID, Int32 lInsertBeforeCol, Int32* plIndexMap, const BaseContainer* pbcLayout);
	/*43*/ void			(TreeViewF::*SelectionChanged)(TreeViewFunctions* pFuncs, void *root, void *userdata);
	/*44*/ Bool			(TreeViewF::*HeaderClick)(TreeViewFunctions* pFuncs, void *root, void *userdata, Int32 lColID, Int32 lChannel, Bool bDbl, Int32 mouseX, Int32 mouseY, GeUserArea* ua);
	/*45*/ Bool			(TreeViewF::*ContextMenuCall)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Int32 lCommand); // called by the delete command in the context menu

	/*46*/ void			(TreeViewF::*InitCache)(TreeViewFunctions* pFuncs, void *root, void *userdata);
	/*47*/ Bool			(TreeViewF::*PythonCleanup)(TreeViewFunctions* pFuncs, void *root, void *userdata);

	/*48*/ void			(TreeViewF::*GetDropDownMenu)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, TreeViewDropDownMenuInfo* menuInfo);
	/*49*/ void			(TreeViewF::*SetDropDownMenu)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Int32 entry);

	/*50*/ void			(TreeViewF::*GetFloatValue)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, TreeViewFloatSliderInfo* sliderInfo);
	/*51*/ void			(TreeViewF::*SetFloatValueEx)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Float value);

	/*52*/ Bool			(TreeViewF::*AddRow)(TreeViewFunctions* pFuncs, void* root, void* userdata);

	/*53*/ String		(TreeViewF::*EmptyText)(TreeViewFunctions* pFuncs, void* root, void* userdata);

	/*54*/ String		(TreeViewF::*GetBubbleHelp)(TreeViewFunctions* pFuncs, void* root, void* userdata, void* obj, Int32 col, MouseInfo* info);
	/*55*/ void			(TreeViewF::*SetFloatValue)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj, Int32 lColumn, Float value, Bool finalValue);
	/*56*/ Bool			(TreeViewF::*IsSelectable)(TreeViewFunctions* pFuncs, void *root, void *userdata, void *obj);

	/*57*/ String		(TreeViewF::*GetNameForEdit)(TreeViewFunctions* pFuncs, void* root, void* userdata, void* obj);

	/*58*/ maxon::Result<maxon::Data> (TreeViewF::*StartInput)(TreeViewFunctions* pFuncs, void* root, void* userdata);
	/*59*/ void (TreeViewF::*FinishInput)(TreeViewFunctions* pFuncs, void* root, void* userdata, maxon::Data& obj);
};

// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF
// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF
// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF

/// @endcond

//----------------------------------------------------------------------------------------
/// The tree view custom GUI (@ref CUSTOMGUI_TREEVIEW) is a very versatile list view interface.\n
/// Here are the settings: @enumerateEnum{TREEVIEW_CUSTOMGUISETTINGS}
//----------------------------------------------------------------------------------------
class TreeViewCustomGui : public BaseCustomGui<CUSTOMGUI_TREEVIEW>
{
		TreeViewCustomGui();
		~TreeViewCustomGui();

	public:
		//----------------------------------------------------------------------------------------
		/// Initializes the tree.
		/// @param[in] root								The root object. @callerOwnsPointed{object}
		/// @param[in] functions					The tree view functions. @callerOwnsPointed{object}
		/// @param[in] userdata						The user data. @callerOwnsPointed{object}
		/// @return												@trueIfOtherwiseFalse{successful}
		//----------------------------------------------------------------------------------------
		Bool SetRoot(void *root, TreeViewFunctions *functions, void *userdata);

		//----------------------------------------------------------------------------------------
		/// Sets the layout of the tree view.
		/// @param[in] columns						The number of columns.
		/// @param[in] data								The layout container, with one column type entry for each column: @enumerateEnum{LV_COLUMN}
		/// @return												@trueIfOtherwiseFalse{successful}
		//----------------------------------------------------------------------------------------
		Bool SetLayout(Int32 columns, const BaseContainer &data);

		//----------------------------------------------------------------------------------------
		/// Sets the header text for a column.
		/// @param[in] lColumnID					The column index.
		/// @param[in] str								The header text.
		/// @return												@trueIfOtherwiseFalse{successful}
		//----------------------------------------------------------------------------------------
		Bool SetHeaderText(Int32 lColumnID, const maxon::String &str);

		//----------------------------------------------------------------------------------------
		/// Gets the tree view user area.
		/// @return												The tree view user area. @theOwnsPointed{tree view,user area}
		//----------------------------------------------------------------------------------------
		GeUserArea* GetTreeViewArea();

		//----------------------------------------------------------------------------------------
		/// Gets the header user area.
		/// @return												The header user area. @theOwnsPointed{tree view,user area}
		//----------------------------------------------------------------------------------------
		GeUserArea* GetHeaderArea();

		//----------------------------------------------------------------------------------------
		/// Refreshes the tree view.
		//----------------------------------------------------------------------------------------
		void Refresh();

		//----------------------------------------------------------------------------------------
		/// Gets the auto-width of the column.
		/// @param[in] lColID							The column index.
		/// @return												The column auto width.
		//----------------------------------------------------------------------------------------
		Int32 GetAutoColumnWidth(Int32 lColID);

		//----------------------------------------------------------------------------------------
		/// Gets the size of the column the user has set.
		/// @param[in] lColID							The column index.
		/// @return												The column user width.
		//----------------------------------------------------------------------------------------
		Int32 GetColumnWidthUser(Int32 lColID);

		//----------------------------------------------------------------------------------------
		/// Gets the real column width.
		/// @param[in] lColID							The column index.
		/// @return												The real column width.
		//----------------------------------------------------------------------------------------
		Int32 GetRealColumnWidth(Int32 lColID);

		//----------------------------------------------------------------------------------------
		/// Sets the user column width.
		/// @param[in] lColID							The column index.
		/// @param[in] lWidth							The column width to set.
		/// @return												@trueIfOtherwiseFalse{successful}
		//----------------------------------------------------------------------------------------
		Bool SetColumnWidthUser(Int32 lColID, Int32 lWidth);

		//----------------------------------------------------------------------------------------
		/// Scrolls to @formatParam{pObj} and expands the tree if necessary.
		/// @param[in] pObj								The object to scroll to.
		/// @return												@trueIfOtherwiseFalse{successful}
		//----------------------------------------------------------------------------------------
		Bool MakeVisible(void* pObj);

		//----------------------------------------------------------------------------------------
		/// Expands the tree to @formatParam{pObj}.
		/// @param[in] pObj								The object to show.
		/// @return												@trueIfOtherwiseFalse{successful}
		//----------------------------------------------------------------------------------------
		Bool ShowObject(void* pObj);

		//----------------------------------------------------------------------------------------
		/// Gets the cell position of @formatParam{pObj}.
		/// @param[in] pObj								The object to get the cell position for.
		/// @param[in] lColID							The column index.
		/// @param[out] pArea							Assigned the user area pointer.
		/// @param[out] x									Assigned the left X coordinate.
		/// @param[out] y									Assigned the left Y coordinate.
		/// @param[out] w									Assigned the width.
		/// @param[out] h									Assigned the height.
		/// @param[out] lTextOffset				Assigned the text offset.
		/// @return												@trueIfOtherwiseFalse{successful}
		//----------------------------------------------------------------------------------------
		Bool GetCellPosition(void* pObj, Int32 lColID, GeUserArea *&pArea, Int32 &x, Int32 &y, Int32 &w, Int32 &h, Int32 &lTextOffset);

		//----------------------------------------------------------------------------------------
		/// Queries the internal scroll group for its currently visible region, a rectangle between (@formatParam{x1},@formatParam{y1}) and (@formatParam{x2},@formatParam{y2}).
		/// @since R17.032
		/// @param[out] x1								Assigned the X coordinate of the top left visible corner.
		/// @param[out] y1								Assigned the Y coordinate of the top left visible corner.
		/// @param[out] x2								Assigned the X coordinate of the bottom right visible corner.
		/// @param[out] y2								Assigned the Y coordinate of the bottom right visible corner.
		/// @return												@trueIfOtherwiseFalse{the visible area could be retrieved}
		//----------------------------------------------------------------------------------------
		Bool GetVisibleScrollArea(Int32& x1, Int32& y1, Int32& x2, Int32& y2);

		//----------------------------------------------------------------------------------------
		/// Gets the number of currently visible lines related to folded and unfolded items of the tree.
		/// @since R17.032
		/// @return												The number of visible lines.
		//----------------------------------------------------------------------------------------
		Int32 GetVisibleLineCount();

		//----------------------------------------------------------------------------------------
		/// Checks if @formatParam{pObj} is the focus item.
		/// @param[in] pObj								The object to check.
		/// @return												@trueIfOtherwiseFalse{@formatParam{pObj} is the focus item}
		//----------------------------------------------------------------------------------------
		Bool IsFocusItem(void* pObj);

		//----------------------------------------------------------------------------------------
		/// Retrieves the focus item.
		/// @return												The focus item.
		//----------------------------------------------------------------------------------------
		void* GetFocusItem();

		//----------------------------------------------------------------------------------------
		/// Sets the focus item.
		/// @param[in] pItem							The new focus item.
		//----------------------------------------------------------------------------------------
		void SetFocusItem(void* pItem);

		//----------------------------------------------------------------------------------------
		/// Retrieves the layout container of the tree view.
		/// @return												The container of the tree view layout. Basically the same container passed in SetLayout() but reflecting any change of the column order.
		//----------------------------------------------------------------------------------------
		const BaseContainer* GetLayout();

		//----------------------------------------------------------------------------------------
		/// Gets the object for a line in the tree view.
		/// @param[in] line								The line in the tree view.
		/// @param[out] level							Assigned the hierarchy level of the tree.
		/// @return												The object, or @formatConstant{nullptr} if there is no object.
		//----------------------------------------------------------------------------------------
		void* GetObject(Int32 line, Int32 *level);

		//----------------------------------------------------------------------------------------
		/// Retrieves the selected item.
		/// @return												The selected item.
		//----------------------------------------------------------------------------------------
		void* GetSelectionItem();

		//----------------------------------------------------------------------------------------
		/// Sets the selected item.
		/// @param[in] pItem							The new selected item.
		//----------------------------------------------------------------------------------------
		void SetSelectionItem(void* pItem);

		//----------------------------------------------------------------------------------------
		/// Sets the internal scroll group currently visible region, a rectangle between (@formatParam{x1},@formatParam{y1}) and (@formatParam{x2},@formatParam{y2}).
		/// @since R18
		/// @param[in] x1									The left x value.
		/// @param[in] y1									The top y value.
		/// @param[in] x2									The right x value.
		/// @param[in] y2									The bottom y value.
		///
		/// @return												true if it succeeds, false if it fails.
		//----------------------------------------------------------------------------------------
		Bool SetVisibleScrollArea(Int32 x1, Int32 y1, Int32 x2, Int32 y2);

		//----------------------------------------------------------------------------------------
		/// Shows/hides the hierarchical tree lines.
		/// @param[in] show								Set to @formatConstant{true} to show the lines, to @formatConstant{false} to hide them.
		//----------------------------------------------------------------------------------------
		void SetShowLines(Bool show);

		//----------------------------------------------------------------------------------------
		/// Shows/hides the tree hierarchical lines.
		/// @return												@formatConstant{true} if lines are visible, @formatConstant{false} if are hidden.
		//----------------------------------------------------------------------------------------
		Bool GetShowLines() const;

		//----------------------------------------------------------------------------------------
		/// Gets the line and column hit at coordinates. Input coordinates must be on screen space.
		/// @param[in] screenX						The x coordinate in screen space.
		/// @param[in] screenY						The y coordinate in screen space.
		/// @param[in] lineHit						The line hit.
		/// @param[in] columnHit					The column hit.
		/// @return												@formatConstant{true} if a valid element is hit, otherwise @formatConstant{false}.
		//----------------------------------------------------------------------------------------
		Bool GetLineAndColumnHit(Int32 screenX, Int32 screenY, Int32& lineHit, Int32& columnHit);
};

/// @cond IGNORE

// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF
// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF
// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF

#ifndef _INTERNAL_DEF_
	class iTreeViewCustomGui
	{
	};
#else
	class iTreeViewCustomGui;
#endif

struct TreeViewLib : public BaseCustomGuiLib
{
	Bool					(iTreeViewCustomGui::*SetRoot)(void *root, InternalFunctionTable* f, void *userdata, Int32 lSize, TreeViewF* pControl, TreeViewFunctions* pFunctions);
	void					(iTreeViewCustomGui::*Refresh)();
	Bool					(iTreeViewCustomGui::*SetLayout)(Int32 columns, const BaseContainer &data);
	Bool					(iTreeViewCustomGui::*ShowObject)(void *o);
	Bool					(iTreeViewCustomGui::*SetHeaderText)(Int32 lColumnID, const maxon::String &str);
	GeUserArea*		(iTreeViewCustomGui::*GetTreeViewArea)();
	GeUserArea*		(iTreeViewCustomGui::*GetHeaderArea)();
	Int32					(iTreeViewCustomGui::*GetAutoColumnWidth)(Int32 lColID);
	Int32					(iTreeViewCustomGui::*GetColumnWidthUser)(Int32 lColID);
	Int32					(iTreeViewCustomGui::*GetRealColumnWidth)(Int32 lColID);
	Bool					(iTreeViewCustomGui::*SetColumnWidthUser)(Int32 lColID, Int32 lWidth);
	Bool					(iTreeViewCustomGui::*MakeVisible)(void* pObj);
	Bool					(iTreeViewCustomGui::*GetCellPosition)(void* pObj, Int32 lColID, GeUserArea *&pArea, Int32 &x, Int32 &y, Int32 &w, Int32 &h, Int32 &lTextOffset);
	Bool					(iTreeViewCustomGui::*IsFocusItem)(void* pObj);
	void*					(iTreeViewCustomGui::*GetFocusItem)();
	void					(iTreeViewCustomGui::*SetFocusItem)(void* pItem);
	const BaseContainer*	(iTreeViewCustomGui::*GetLayout)();
	void*					(iTreeViewCustomGui::*GetObject)(Int32 line, Int32 *level);
	void*					(iTreeViewCustomGui::*GetSelectionItem)();
	void					(iTreeViewCustomGui::*SetSelectionItem)(void* pItem);
	Bool					(iTreeViewCustomGui::*GetVisibleScrollArea)(Int32& x1, Int32& y1, Int32& x2, Int32& y2);
	Int32					(iTreeViewCustomGui::*GetVisibleLineCount)();
	Bool					(iTreeViewCustomGui::*SetVisibleScrollArea)(Int32 x1, Int32 y1, Int32 x2, Int32 y2);
	void					(iTreeViewCustomGui::*SetShowLines)(Bool show);
	Bool 					(iTreeViewCustomGui::*GetShowLines)() const;
	Bool					(iTreeViewCustomGui::*GetLineAndColumnHit)(Int32 screenX, Int32 screenY, Int32& lineHit, Int32& columnHit);
};

// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF
// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF
// INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF -- INTERNAL STUFF

/// @endcond

} // namespace cinema

#endif // CUSTOMGUI_LISTVIEW_H__
