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[wxWidgets.git] / src / common / treebase.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: treebase.cpp
3// Purpose: Base wxTreeCtrl classes
4// Author: Julian Smart
5// Created: 01/02/97
6// Modified:
7// Id: $Id$
8// Copyright: (c) 1998 Robert Roebling, Julian Smart et al
65571936 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
12// =============================================================================
13// declarations
14// =============================================================================
15
16// -----------------------------------------------------------------------------
17// headers
18// -----------------------------------------------------------------------------
19
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20// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
1e6feb95 24 #pragma hdrstop
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25#endif
26
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27#if wxUSE_TREECTRL
28
8cee4a30 29#include "wx/treectrl.h"
42e53e77 30#include "wx/imaglist.h"
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31
32// ----------------------------------------------------------------------------
33// events
34// ----------------------------------------------------------------------------
35
36DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_DRAG)
37DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_RDRAG)
38DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT)
39DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_LABEL_EDIT)
40DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_DELETE_ITEM)
41DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_GET_INFO)
42DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SET_INFO)
43DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDED)
44DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDING)
45DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSED)
46DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSING)
47DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGED)
48DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGING)
49DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_KEY_DOWN)
50DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_ACTIVATED)
51DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK)
52DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK)
53DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_DRAG)
ae8c4b33 54DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK)
156194e1 55DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP)
f7c6f947 56DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MENU)
ed2ec17c 57
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58// ----------------------------------------------------------------------------
59// Tree event
60// ----------------------------------------------------------------------------
61
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62IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
63
64
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65wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
66 : wxNotifyEvent(commandType, id)
67{
51d67338 68 m_itemOld = 0l;
cb719f2e 69 m_editCancelled = false;
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70}
71
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72wxTreeEvent::wxTreeEvent(const wxTreeEvent & event)
73 : wxNotifyEvent(event)
74{
75 m_evtKey = event.m_evtKey;
76 m_item = event.m_item;
77 m_itemOld = event.m_itemOld;
78 m_pointDrag = event.m_pointDrag;
79 m_label = event.m_label;
80 m_editCancelled = event.m_editCancelled;
81}
82
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83// ----------------------------------------------------------------------------
84// wxTreeCtrlBase
85// ----------------------------------------------------------------------------
86
87wxTreeCtrlBase::~wxTreeCtrlBase()
88{
89 if (m_ownsImageListNormal)
90 delete m_imageListNormal;
91 if (m_ownsImageListState)
92 delete m_imageListState;
93}
94
95wxSize wxTreeCtrlBase::DoGetBestSize() const
96{
97 wxSize size;
98
99 // this doesn't really compute the total bounding rectangle of all items
100 // but a not too bad guess of it which has the advantage of not having to
101 // examine all (potentially hundreds or thousands) items in the control
102 for ( wxTreeItemId item = GetRootItem();
103 item.IsOk();
104 item = GetLastChild(item) )
105 {
106 wxRect rect;
107
108 // last parameter is "true" to get only the dimensions of the text
109 // label, we don't want to get the entire item width as it's determined
110 // by the current size
111 if ( GetBoundingRect(item, rect, true) )
112 {
113 if ( size.x < rect.x + rect.width )
114 size.x = rect.x + rect.width;
115 if ( size.y < rect.y + rect.height )
116 size.y = rect.y + rect.height;
117 }
118 }
119
120 // need some minimal size even for empty tree
121 if ( !size.x || !size.y )
122 size = wxControl::DoGetBestSize();
123
124 return size;
125}
126
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127#endif // wxUSE_TREECTRL
128