dolphin/Externals/wxWidgets/include/wx/treebase.h

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/treebase.h
// Purpose: wxTreeCtrl base classes and types
// Author: Julian Smart et al
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id: treebase.h 53135 2008-04-12 02:31:04Z VZ $
// 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"
#if WXWIN_COMPATIBILITY_2_6
// flags for deprecated `Expand(int action)', will be removed in next versions
enum
{
wxTREE_EXPAND_EXPAND,
wxTREE_EXPAND_COLLAPSE,
wxTREE_EXPAND_COLLAPSE_RESET,
wxTREE_EXPAND_TOGGLE
};
#endif // WXWIN_COMPATIBILITY_2_6
// ----------------------------------------------------------------------------
// wxTreeItemId identifies an element of the tree. In this implementation, it's
// just a trivial wrapper around Win32 HTREEITEM or a pointer to some private
// data structure in the generic version. It's opaque for the application and
// the only method which can be used by user code is IsOk().
// ----------------------------------------------------------------------------
// Using this typedef removes an ambiguity when calling Remove()
typedef void *wxTreeItemIdValue;
class WXDLLEXPORT wxTreeItemId
{
friend bool operator==(const wxTreeItemId&, const wxTreeItemId&);
public:
// ctors
// 0 is invalid value for HTREEITEM
wxTreeItemId() { m_pItem = 0; }
// construct wxTreeItemId from the native item id
wxTreeItemId(void *pItem) { m_pItem = pItem; }
// default copy ctor/assignment operator are ok for us
// accessors
// is this a valid tree item?
bool IsOk() const { return m_pItem != 0; }
// return true if this item is not valid
bool operator!() const { return !IsOk(); }
// operations
// invalidate the item
void Unset() { m_pItem = 0; }
#if WXWIN_COMPATIBILITY_2_4
// deprecated: only for compatibility, don't work on 64 bit archs
wxTreeItemId(long item) { m_pItem = wxUIntToPtr(item); }
operator long() const { return (long)wxPtrToUInt(m_pItem); }
#else // !WXWIN_COMPATIBILITY_2_4
operator bool() const { return IsOk(); }
#endif // WXWIN_COMPATIBILITY_2_4/!WXWIN_COMPATIBILITY_2_4
wxTreeItemIdValue m_pItem;
};
inline bool operator==(const wxTreeItemId& i1, const wxTreeItemId& i2)
{
return i1.m_pItem == i2.m_pItem;
}
inline bool operator!=(const wxTreeItemId& i1, const wxTreeItemId& i2)
{
return i1.m_pItem != i2.m_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 WXDLLEXPORT wxTreeItemData: public wxClientData
{
friend class WXDLLIMPEXP_FWD_CORE wxTreeCtrl;
friend class WXDLLIMPEXP_FWD_CORE wxGenericTreeCtrl;
public:
// creation/destruction
// --------------------
// default ctor
wxTreeItemData() { }
// 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;
};
WX_DEFINE_EXPORTED_ARRAY_PTR(wxTreeItemIdValue, wxArrayTreeItemIdsBase);
// this is a wrapper around the array class defined above which allow to wok
// with vaue of natural wxTreeItemId type instead of using wxTreeItemIdValue
// and does it without any loss of efficiency
class WXDLLEXPORT 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
};
// ----------------------------------------------------------------------------
// 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_EXTENDED 0x0040 // TODO: allow extended selection
#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
#ifdef __WXGTK20__
#define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS | wxTR_NO_LINES)
#else
#define wxTR_DEFAULT_STYLE (wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT)
#endif
#if WXWIN_COMPATIBILITY_2_6
// deprecated, don't use
#define wxTR_MAC_BUTTONS 0
#define wxTR_AQUA_BUTTONS 0
#endif // WXWIN_COMPATIBILITY_2_6
// 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 WXDLLEXPORT_DATA(const wxChar) wxTreeCtrlNameStr[];
// ----------------------------------------------------------------------------
// wxTreeItemAttr: a structure containing the visual attributes of an item
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxTreeItemAttr
{
public:
// ctors
wxTreeItemAttr() { }
wxTreeItemAttr(const wxColour& colText,
const wxColour& colBack,
const wxFont& font)
: m_colText(colText), m_colBack(colBack), m_font(font) { }
// setters
void SetTextColour(const wxColour& colText) { m_colText = colText; }
void SetBackgroundColour(const wxColour& colBack) { m_colBack = colBack; }
void SetFont(const wxFont& font) { m_font = font; }
// accessors
bool HasTextColour() const { return m_colText.Ok(); }
bool HasBackgroundColour() const { return m_colBack.Ok(); }
bool HasFont() const { return m_font.Ok(); }
const wxColour& GetTextColour() const { return m_colText; }
const wxColour& GetBackgroundColour() const { return m_colBack; }
const wxFont& GetFont() const { return m_font; }
private:
wxColour m_colText,
m_colBack;
wxFont m_font;
};
// ----------------------------------------------------------------------------
// 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 WXDLLEXPORT wxTreeEvent : public wxNotifyEvent
{
public:
wxTreeEvent(wxEventType commandType,
wxTreeCtrlBase *tree,
const wxTreeItemId &item = wxTreeItemId());
wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
wxTreeEvent(const wxTreeEvent& event);
virtual wxEvent *Clone() const { return new wxTreeEvent(*this); }
// accessors
// get the item on which the operation was performed or the newly
// selected item for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events
wxTreeItemId GetItem() const { return m_item; }
void SetItem(const wxTreeItemId& item) { m_item = item; }
// for wxEVT_COMMAND_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_COMMAND_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_COMMAND_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() { 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;
DECLARE_DYNAMIC_CLASS(wxTreeEvent)
};
typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
// ----------------------------------------------------------------------------
// tree control events and macros for handling them
// ----------------------------------------------------------------------------
BEGIN_DECLARE_EVENT_TYPES()
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_DRAG, 600)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_RDRAG, 601)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, 602)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_LABEL_EDIT, 603)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_DELETE_ITEM, 604)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_GET_INFO, 605)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_SET_INFO, 606)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDED, 607)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDING, 608)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSED, 609)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSING, 610)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGED, 611)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGING, 612)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_KEY_DOWN, 613)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, 614)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, 615)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, 616)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_DRAG, 617)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK, 618)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP, 619)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MENU, 620)
END_DECLARE_EVENT_TYPES()
#define wxTreeEventHandler(func) \
(wxObjectEventFunction)(wxEventFunction)wxStaticCastEvent(wxTreeEventFunction, &func)
#define wx__DECLARE_TREEEVT(evt, id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_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)
#endif // wxUSE_TREECTRL
#endif // _WX_TREEBASE_H_