5e0e6ceb8f
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8873 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
292 lines
13 KiB
C++
292 lines
13 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: treebase.h
|
|
// Purpose: wxTreeCtrl base classes and types
|
|
// Author: Julian Smart et al
|
|
// Modified by:
|
|
// Created: 01/02/97
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 1997,1998 Robert Roebling
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_TREEBASE_H_
|
|
#define _WX_TREEBASE_H_
|
|
|
|
#ifdef __GNUG__
|
|
#pragma interface "treebase.h"
|
|
#endif
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// headers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Not defined in setup.h so removing for now
|
|
// #if wxUSE_TREECTRL
|
|
|
|
#include "wx/control.h"
|
|
#include "wx/event.h"
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxTreeItemId identifies an element of the tree. In this implementation, it's
|
|
// just a trivial wrapper around Win32 HTREEITEM. It's opaque for the
|
|
// application.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Using this typedef removes an ambiguity when calling Remove()
|
|
typedef unsigned long wxTreeItemIdValue;
|
|
|
|
class WXDLLEXPORT wxTreeItemId
|
|
{
|
|
friend class WXDLLEXPORT wxTreeCtrl;
|
|
friend class WXDLLEXPORT wxGenericTreeCtrl;
|
|
friend class WXDLLEXPORT wxTreeEvent;
|
|
public:
|
|
// ctors
|
|
// 0 is invalid value for HTREEITEM
|
|
wxTreeItemId() { m_pItem = 0; }
|
|
|
|
// default copy ctor/assignment operator are ok for us
|
|
|
|
// accessors
|
|
// is this a valid tree item?
|
|
bool IsOk() const { return m_pItem != 0; }
|
|
|
|
// deprecated: only for compatibility
|
|
wxTreeItemId(long itemId) { m_pItem = itemId; }
|
|
//operator long() const { return m_pItem; }
|
|
operator wxTreeItemIdValue() const { return m_pItem; }
|
|
|
|
void operator=(long item) { m_pItem = item; }
|
|
|
|
wxTreeItemId(void *pItem) { m_pItem = (long) pItem; }
|
|
|
|
wxTreeItemIdValue 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 WXDLLEXPORT wxTreeCtrl;
|
|
friend class WXDLLEXPORT 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(wxTreeItemId, wxArrayTreeItemIds);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// 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
|
|
};
|
|
|
|
|
|
// 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
|
|
WXDLLEXPORT_DATA(extern const char*) 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 WXDLLEXPORT wxTreeEvent : public wxNotifyEvent
|
|
{
|
|
friend class WXDLLEXPORT wxTreeCtrl;
|
|
friend class WXDLLEXPORT wxGenericTreeCtrl;
|
|
|
|
public:
|
|
wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
|
|
|
|
// 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; }
|
|
|
|
// for wxEVT_COMMAND_TREE_SEL_CHANGED/ING events, get the previously
|
|
// selected item
|
|
wxTreeItemId GetOldItem() const { return m_itemOld; }
|
|
|
|
// 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; }
|
|
|
|
// keyboard code (for wxEVT_COMMAND_TREE_KEY_DOWN only)
|
|
int GetCode() const { return m_code; }
|
|
|
|
// label (for EVT_TREE_{BEGIN|END}_LABEL_EDIT only)
|
|
const wxString& GetLabel() const { return m_label; }
|
|
|
|
private:
|
|
// we could probably save some space by using union here
|
|
int m_code;
|
|
wxTreeItemId m_item,
|
|
m_itemOld;
|
|
wxPoint m_pointDrag;
|
|
wxString m_label;
|
|
|
|
DECLARE_DYNAMIC_CLASS(wxTreeEvent)
|
|
};
|
|
|
|
typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// macros for handling tree control events
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// 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) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
#define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
|
|
// GetItem() is the item on which the drop occured (if any) and GetPoint() the
|
|
// current mouse coords
|
|
#define EVT_TREE_END_DRAG(id, fn) { wxEVT_COMMAND_TREE_END_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
|
|
// 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) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
#define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
|
|
// provide/update information about GetItem() item
|
|
#define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
#define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
|
|
// GetItem() is the item being expanded/collapsed, the "ING" versions can use
|
|
#define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
#define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
#define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
#define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
|
|
|
// GetOldItem() is the item which had the selection previously, GetItem() is
|
|
// the item which acquires selection
|
|
#define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
|
#define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
|
|
|
// GetCode() 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) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
|
|
|
// 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) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
|
|
|
|
// GetItem() returns the item that was activated (double click, enter, space)
|
|
#define EVT_TREE_ITEM_ACTIVATED(id, fn) { wxEVT_COMMAND_TREE_ITEM_ACTIVATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
|
|
|
// GetItem() returns the item that was clicked on
|
|
#define EVT_TREE_ITEM_RIGHT_CLICK(id, fn) { wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
|
#define EVT_TREE_ITEM_MIDDLE_CLICK(id, fn) { wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, NULL },
|
|
|
|
// #endif // wxUSE_TREECTRL
|
|
|
|
#endif
|
|
// _WX_TREEBASE_H_
|
|
|
|
|