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Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
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Peter Siegmund
2025-10-31 23:37:30 +01:00
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libs/wxWidgets-3.3.1/include/wx/treebase.h Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: wx/treebase.h
// Purpose: wxTreeCtrl base classes and types
// Author: Julian Smart et al
// Created: 01/02/97
// Copyright: (c) 1997,1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_TREEBASE_H_
#define _WX_TREEBASE_H_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/defs.h"
#if wxUSE_TREECTRL
#include "wx/window.h" // for wxClientData
#include "wx/event.h"
#include "wx/dynarray.h"
#include "wx/itemid.h"
// ----------------------------------------------------------------------------
// wxTreeItemId identifies an element of the tree. It's opaque for the
// application and the only method which can be used by user code is IsOk().
// ----------------------------------------------------------------------------
// This is a class and not a typedef because existing code may forward declare
// wxTreeItemId as a class and we don't want to break it without good reason.
class wxTreeItemId : public wxItemId<void*>
{
public:
wxTreeItemId() : wxItemId<void*>() { }
wxTreeItemId(void* pItem) : wxItemId<void*>(pItem) { }
};
// ----------------------------------------------------------------------------
// wxTreeItemData is some (arbitrary) user class associated with some item. The
// main advantage of having this class (compared to old untyped interface) is
// that wxTreeItemData's are destroyed automatically by the tree and, as this
// class has virtual dtor, it means that the memory will be automatically
// freed. OTOH, we don't just use wxObject instead of wxTreeItemData because
// the size of this class is critical: in any real application, each tree leaf
// will have wxTreeItemData associated with it and number of leaves may be
// quite big.
//
// Because the objects of this class are deleted by the tree, they should
// always be allocated on the heap!
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxTreeItemData: public wxClientData
{
friend class WXDLLIMPEXP_FWD_CORE wxTreeCtrl;
friend class WXDLLIMPEXP_FWD_CORE wxGenericTreeCtrl;
public:
// creation/destruction
// --------------------
// default ctor
wxTreeItemData() = default;
// default copy ctor/assignment operator are ok
// accessor: get the item associated with us
const wxTreeItemId& GetId() const { return m_pItem; }
void SetId(const wxTreeItemId& id) { m_pItem = id; }
protected:
wxTreeItemId m_pItem;
};
typedef void *wxTreeItemIdValue;
WX_DEFINE_EXPORTED_ARRAY_PTR(wxTreeItemIdValue, wxArrayTreeItemIdsBase);
// this is a wrapper around the array class defined above which allow to wok
// with values of natural wxTreeItemId type instead of using wxTreeItemIdValue
// and does it without any loss of efficiency
class wxArrayTreeItemIds : public wxArrayTreeItemIdsBase
{
public:
void Add(const wxTreeItemId& id)
{ wxArrayTreeItemIdsBase::Add(id.m_pItem); }
void Insert(const wxTreeItemId& id, size_t pos)
{ wxArrayTreeItemIdsBase::Insert(id.m_pItem, pos); }
wxTreeItemId Item(size_t i) const
{ return wxTreeItemId(wxArrayTreeItemIdsBase::Item(i)); }
wxTreeItemId operator[](size_t i) const { return Item(i); }
};
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// enum for different images associated with a treectrl item
enum wxTreeItemIcon
{
wxTreeItemIcon_Normal, // not selected, not expanded
wxTreeItemIcon_Selected, // selected, not expanded
wxTreeItemIcon_Expanded, // not selected, expanded
wxTreeItemIcon_SelectedExpanded, // selected, expanded
wxTreeItemIcon_Max
};
// special values for the 'state' parameter of wxTreeCtrl::SetItemState()
static const int wxTREE_ITEMSTATE_NONE = -1; // not state (no display state image)
static const int wxTREE_ITEMSTATE_NEXT = -2; // cycle to the next state
static const int wxTREE_ITEMSTATE_PREV = -3; // cycle to the previous state
// ----------------------------------------------------------------------------
// wxTreeCtrl flags
// ----------------------------------------------------------------------------
#define wxTR_NO_BUTTONS 0x0000 // for convenience
#define wxTR_HAS_BUTTONS 0x0001 // draw collapsed/expanded btns
#define wxTR_NO_LINES 0x0004 // don't draw lines at all
#define wxTR_LINES_AT_ROOT 0x0008 // connect top-level nodes
#define wxTR_TWIST_BUTTONS 0x0010 // still used by wxTreeListCtrl
#define wxTR_SINGLE 0x0000 // for convenience
#define wxTR_MULTIPLE 0x0020 // can select multiple items
#define wxTR_HAS_VARIABLE_ROW_HEIGHT 0x0080 // what it says
#define wxTR_EDIT_LABELS 0x0200 // can edit item labels
#define wxTR_ROW_LINES 0x0400 // put border around items
#define wxTR_HIDE_ROOT 0x0800 // don't display root node
#define wxTR_FULL_ROW_HIGHLIGHT 0x2000 // highlight full horz space
// make the default control appearance look more native-like depending on the
// platform
#if defined(__WXGTK__)
#define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS | wxTR_NO_LINES)
#elif defined(__WXMAC__)
#define wxTR_DEFAULT_STYLE \
(wxTR_HAS_BUTTONS | wxTR_NO_LINES | wxTR_FULL_ROW_HIGHLIGHT)
#elif defined(__WXMSW__)
#define wxTR_DEFAULT_STYLE \
(wxTR_HAS_BUTTONS | wxTR_NO_LINES | wxTR_LINES_AT_ROOT | wxTR_TWIST_BUTTONS | wxTR_FULL_ROW_HIGHLIGHT)
#else
#define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT)
#endif
// values for the `flags' parameter of wxTreeCtrl::HitTest() which determine
// where exactly the specified point is situated:
static const int wxTREE_HITTEST_ABOVE = 0x0001;
static const int wxTREE_HITTEST_BELOW = 0x0002;
static const int wxTREE_HITTEST_NOWHERE = 0x0004;
// on the button associated with an item.
static const int wxTREE_HITTEST_ONITEMBUTTON = 0x0008;
// on the bitmap associated with an item.
static const int wxTREE_HITTEST_ONITEMICON = 0x0010;
// on the indent associated with an item.
static const int wxTREE_HITTEST_ONITEMINDENT = 0x0020;
// on the label (string) associated with an item.
static const int wxTREE_HITTEST_ONITEMLABEL = 0x0040;
// on the right of the label associated with an item.
static const int wxTREE_HITTEST_ONITEMRIGHT = 0x0080;
// on the label (string) associated with an item.
static const int wxTREE_HITTEST_ONITEMSTATEICON = 0x0100;
// on the left of the wxTreeCtrl.
static const int wxTREE_HITTEST_TOLEFT = 0x0200;
// on the right of the wxTreeCtrl.
static const int wxTREE_HITTEST_TORIGHT = 0x0400;
// on the upper part (first half) of the item.
static const int wxTREE_HITTEST_ONITEMUPPERPART = 0x0800;
// on the lower part (second half) of the item.
static const int wxTREE_HITTEST_ONITEMLOWERPART = 0x1000;
// anywhere on the item
static const int wxTREE_HITTEST_ONITEM = wxTREE_HITTEST_ONITEMICON |
wxTREE_HITTEST_ONITEMLABEL;
// tree ctrl default name
extern WXDLLIMPEXP_DATA_CORE(const char) wxTreeCtrlNameStr[];
// ----------------------------------------------------------------------------
// wxTreeEvent is a special class for all events associated with tree controls
//
// NB: note that not all accessors make sense for all events, see the event
// descriptions below
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_FWD_CORE wxTreeCtrlBase;
class WXDLLIMPEXP_CORE wxTreeEvent : public wxNotifyEvent
{
public:
wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
wxTreeEvent(wxEventType commandType,
wxTreeCtrlBase *tree,
const wxTreeItemId &item = wxTreeItemId());
wxTreeEvent(const wxTreeEvent& event);
wxNODISCARD virtual wxEvent *Clone() const override { return new wxTreeEvent(*this); }
// accessors
// get the item on which the operation was performed or the newly
// selected item for wxEVT_TREE_SEL_CHANGED/ING events
wxTreeItemId GetItem() const { return m_item; }
void SetItem(const wxTreeItemId& item) { m_item = item; }
// for wxEVT_TREE_SEL_CHANGED/ING events, get the previously
// selected item
wxTreeItemId GetOldItem() const { return m_itemOld; }
void SetOldItem(const wxTreeItemId& item) { m_itemOld = item; }
// the point where the mouse was when the drag operation started (for
// wxEVT_TREE_BEGIN_(R)DRAG events only) or click position
wxPoint GetPoint() const { return m_pointDrag; }
void SetPoint(const wxPoint& pt) { m_pointDrag = pt; }
// keyboard data (for wxEVT_TREE_KEY_DOWN only)
const wxKeyEvent& GetKeyEvent() const { return m_evtKey; }
int GetKeyCode() const { return m_evtKey.GetKeyCode(); }
void SetKeyEvent(const wxKeyEvent& evt) { m_evtKey = evt; }
// label (for EVT_TREE_{BEGIN|END}_LABEL_EDIT only)
const wxString& GetLabel() const { return m_label; }
void SetLabel(const wxString& label) { m_label = label; }
// edit cancel flag (for EVT_TREE_{BEGIN|END}_LABEL_EDIT only)
bool IsEditCancelled() const { return m_editCancelled; }
void SetEditCanceled(bool editCancelled) { m_editCancelled = editCancelled; }
// Set the tooltip for the item (for EVT_TREE_ITEM_GETTOOLTIP events)
void SetToolTip(const wxString& toolTip) { m_label = toolTip; }
wxString GetToolTip() const { return m_label; }
private:
// not all of the members are used (or initialized) for all events
wxKeyEvent m_evtKey;
wxTreeItemId m_item,
m_itemOld;
wxPoint m_pointDrag;
wxString m_label;
bool m_editCancelled;
friend class WXDLLIMPEXP_FWD_CORE wxTreeCtrl;
friend class WXDLLIMPEXP_FWD_CORE wxGenericTreeCtrl;
wxDECLARE_DYNAMIC_CLASS(wxTreeEvent);
};
typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
// ----------------------------------------------------------------------------
// tree control events and macros for handling them
// ----------------------------------------------------------------------------
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_BEGIN_DRAG, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_BEGIN_RDRAG, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_BEGIN_LABEL_EDIT, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_END_LABEL_EDIT, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_DELETE_ITEM, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_GET_INFO, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_SET_INFO, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_EXPANDED, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_EXPANDING, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_COLLAPSED, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_COLLAPSING, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_SEL_CHANGED, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_SEL_CHANGING, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_KEY_DOWN, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_ACTIVATED, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_RIGHT_CLICK, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_MIDDLE_CLICK, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_END_DRAG, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_STATE_IMAGE_CLICK, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_GETTOOLTIP, wxTreeEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_TREE_ITEM_MENU, wxTreeEvent );
#define wxTreeEventHandler(func) \
wxEVENT_HANDLER_CAST(wxTreeEventFunction, func)
#define wx__DECLARE_TREEEVT(evt, id, fn) \
wx__DECLARE_EVT1(wxEVT_TREE_ ## evt, id, wxTreeEventHandler(fn))
// GetItem() returns the item being dragged, GetPoint() the mouse coords
//
// if you call event.Allow(), the drag operation will start and a
// EVT_TREE_END_DRAG event will be sent when the drag is over.
#define EVT_TREE_BEGIN_DRAG(id, fn) wx__DECLARE_TREEEVT(BEGIN_DRAG, id, fn)
#define EVT_TREE_BEGIN_RDRAG(id, fn) wx__DECLARE_TREEEVT(BEGIN_RDRAG, id, fn)
// GetItem() is the item on which the drop occurred (if any) and GetPoint() the
// current mouse coords
#define EVT_TREE_END_DRAG(id, fn) wx__DECLARE_TREEEVT(END_DRAG, id, fn)
// GetItem() returns the itme whose label is being edited, GetLabel() returns
// the current item label for BEGIN and the would be new one for END.
//
// Vetoing BEGIN event means that label editing won't happen at all,
// vetoing END means that the new value is discarded and the old one kept
#define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) wx__DECLARE_TREEEVT(BEGIN_LABEL_EDIT, id, fn)
#define EVT_TREE_END_LABEL_EDIT(id, fn) wx__DECLARE_TREEEVT(END_LABEL_EDIT, id, fn)
// provide/update information about GetItem() item
#define EVT_TREE_GET_INFO(id, fn) wx__DECLARE_TREEEVT(GET_INFO, id, fn)
#define EVT_TREE_SET_INFO(id, fn) wx__DECLARE_TREEEVT(SET_INFO, id, fn)
// GetItem() is the item being expanded/collapsed, the "ING" versions can use
#define EVT_TREE_ITEM_EXPANDED(id, fn) wx__DECLARE_TREEEVT(ITEM_EXPANDED, id, fn)
#define EVT_TREE_ITEM_EXPANDING(id, fn) wx__DECLARE_TREEEVT(ITEM_EXPANDING, id, fn)
#define EVT_TREE_ITEM_COLLAPSED(id, fn) wx__DECLARE_TREEEVT(ITEM_COLLAPSED, id, fn)
#define EVT_TREE_ITEM_COLLAPSING(id, fn) wx__DECLARE_TREEEVT(ITEM_COLLAPSING, id, fn)
// GetOldItem() is the item which had the selection previously, GetItem() is
// the item which acquires selection
#define EVT_TREE_SEL_CHANGED(id, fn) wx__DECLARE_TREEEVT(SEL_CHANGED, id, fn)
#define EVT_TREE_SEL_CHANGING(id, fn) wx__DECLARE_TREEEVT(SEL_CHANGING, id, fn)
// GetKeyCode() returns the key code
// NB: this is the only message for which GetItem() is invalid (you may get the
// item from GetSelection())
#define EVT_TREE_KEY_DOWN(id, fn) wx__DECLARE_TREEEVT(KEY_DOWN, id, fn)
// GetItem() returns the item being deleted, the associated data (if any) will
// be deleted just after the return of this event handler (if any)
#define EVT_TREE_DELETE_ITEM(id, fn) wx__DECLARE_TREEEVT(DELETE_ITEM, id, fn)
// GetItem() returns the item that was activated (double click, enter, space)
#define EVT_TREE_ITEM_ACTIVATED(id, fn) wx__DECLARE_TREEEVT(ITEM_ACTIVATED, id, fn)
// GetItem() returns the item for which the context menu shall be shown
#define EVT_TREE_ITEM_MENU(id, fn) wx__DECLARE_TREEEVT(ITEM_MENU, id, fn)
// GetItem() returns the item that was clicked on
#define EVT_TREE_ITEM_RIGHT_CLICK(id, fn) wx__DECLARE_TREEEVT(ITEM_RIGHT_CLICK, id, fn)
#define EVT_TREE_ITEM_MIDDLE_CLICK(id, fn) wx__DECLARE_TREEEVT(ITEM_MIDDLE_CLICK, id, fn)
// GetItem() returns the item whose state image was clicked on
#define EVT_TREE_STATE_IMAGE_CLICK(id, fn) wx__DECLARE_TREEEVT(STATE_IMAGE_CLICK, id, fn)
// GetItem() is the item for which the tooltip is being requested
#define EVT_TREE_ITEM_GETTOOLTIP(id, fn) wx__DECLARE_TREEEVT(ITEM_GETTOOLTIP, id, fn)
// old wxEVT_COMMAND_* constants
#define wxEVT_COMMAND_TREE_BEGIN_DRAG wxEVT_TREE_BEGIN_DRAG
#define wxEVT_COMMAND_TREE_BEGIN_RDRAG wxEVT_TREE_BEGIN_RDRAG
#define wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT wxEVT_TREE_BEGIN_LABEL_EDIT
#define wxEVT_COMMAND_TREE_END_LABEL_EDIT wxEVT_TREE_END_LABEL_EDIT
#define wxEVT_COMMAND_TREE_DELETE_ITEM wxEVT_TREE_DELETE_ITEM
#define wxEVT_COMMAND_TREE_GET_INFO wxEVT_TREE_GET_INFO
#define wxEVT_COMMAND_TREE_SET_INFO wxEVT_TREE_SET_INFO
#define wxEVT_COMMAND_TREE_ITEM_EXPANDED wxEVT_TREE_ITEM_EXPANDED
#define wxEVT_COMMAND_TREE_ITEM_EXPANDING wxEVT_TREE_ITEM_EXPANDING
#define wxEVT_COMMAND_TREE_ITEM_COLLAPSED wxEVT_TREE_ITEM_COLLAPSED
#define wxEVT_COMMAND_TREE_ITEM_COLLAPSING wxEVT_TREE_ITEM_COLLAPSING
#define wxEVT_COMMAND_TREE_SEL_CHANGED wxEVT_TREE_SEL_CHANGED
#define wxEVT_COMMAND_TREE_SEL_CHANGING wxEVT_TREE_SEL_CHANGING
#define wxEVT_COMMAND_TREE_KEY_DOWN wxEVT_TREE_KEY_DOWN
#define wxEVT_COMMAND_TREE_ITEM_ACTIVATED wxEVT_TREE_ITEM_ACTIVATED
#define wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK wxEVT_TREE_ITEM_RIGHT_CLICK
#define wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK wxEVT_TREE_ITEM_MIDDLE_CLICK
#define wxEVT_COMMAND_TREE_END_DRAG wxEVT_TREE_END_DRAG
#define wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK wxEVT_TREE_STATE_IMAGE_CLICK
#define wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP wxEVT_TREE_ITEM_GETTOOLTIP
#define wxEVT_COMMAND_TREE_ITEM_MENU wxEVT_TREE_ITEM_MENU
#endif // wxUSE_TREECTRL
#endif // _WX_TREEBASE_H_