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1 | \section{\class{wxTreeEvent}}\label{wxtreeevent} | |
2 | ||
3 | A tree event holds information about events associated with wxTreeCtrl objects. | |
4 | ||
5 | \wxheading{Derived from} | |
6 | ||
7 | \helpref{wxNotifyEvent}{wxnotifyevent}\\ | |
8 | \helpref{wxCommandEvent}{wxcommandevent}\\ | |
9 | \helpref{wxEvent}{wxevent}\\ | |
10 | \helpref{wxObject}{wxobject} | |
11 | ||
12 | \wxheading{Include files} | |
13 | ||
14 | <wx/treectrl.h> | |
15 | ||
16 | \wxheading{Event table macros} | |
17 | ||
18 | To process input from a tree control, use these event handler macros to direct input to member | |
19 | functions that take a wxTreeEvent argument. | |
20 | ||
21 | \twocolwidtha{9cm} | |
22 | \begin{twocollist}\itemsep=0pt | |
23 | \twocolitem{{\bf EVT\_TREE\_BEGIN\_DRAG(id, func)}}{The user has started dragging an item with the left mouse button. The event handler must call {\bf wxTreeEvent::Allow()} for the drag operation to continue.} | |
24 | \twocolitem{{\bf EVT\_TREE\_BEGIN\_RDRAG(id, func)}}{The user has started dragging an item with the right mouse button. The event handler must call {\bf wxTreeEvent::Allow()} for the drag operation to continue.} | |
25 | \twocolitem{{\bf EVT\_TREE\_BEGIN\_LABEL\_EDIT(id, func)}}{Begin editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.} | |
26 | \twocolitem{{\bf EVT\_TREE\_END\_DRAG(id, func)}}{The user has released the mouse after dragging an item.} | |
27 | \twocolitem{{\bf EVT\_TREE\_END\_LABEL\_EDIT(id, func)}}{The user has finished editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.} | |
28 | \twocolitem{{\bf EVT\_TREE\_DELETE\_ITEM(id, func)}}{A tree item has been deleted.} | |
29 | % they're not very (or at all) useful currently | |
30 | %\twocolitem{{\bf EVT\_TREE\_GET\_INFO(id, func)}}{Request information from the application.} | |
31 | %\twocolitem{{\bf EVT\_TREE\_SET\_INFO(id, func)}}{Information is being supplied.} | |
32 | \twocolitem{{\bf EVT\_TREE\_ITEM\_ACTIVATED(id, func)}}{An item has been activated (e.g. double clicked).} | |
33 | \twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSED(id, func)}}{The item has been collapsed.} | |
34 | \twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSING(id, func)}}{The item is being collapsed. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.} | |
35 | \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDED(id, func)}}{The item has been expanded.} | |
36 | \twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDING(id, func)}}{The item is being expanded. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.} | |
37 | \twocolitem{{\bf EVT\_TREE\_ITEM\_RIGHT\_CLICK(id, func)}}{The user has clicked the item with the right mouse button.} | |
38 | \twocolitem{{\bf EVT\_TREE\_ITEM\_MIDDLE\_CLICK(id, func)}}{The user has clicked the item with the middle mouse button.} | |
39 | \twocolitem{{\bf EVT\_TREE\_KEY\_DOWN(id, func)}}{A key has been pressed.} | |
40 | \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.} | |
41 | \twocolitem{{\bf EVT\_TREE\_SEL\_CHANGING(id, func)}}{Selection is changing. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.} | |
42 | \twocolitem{{\bf EVT\_TREE\_KEY\_DOWN(id, func)}}{A key has been pressed.} | |
43 | \twocolitem{{\bf EVT\_TREE\_ITEM\_GETTOOLTIP(id, func)}}{The opportunity to set the item tooltip | |
44 | is being given to the application (call wxTreeEvent::SetToolTip). Windows only.} | |
45 | \twocolitem{{\bf EVT\_TREE\_ITEM\_MENU(id, func)}}{The context menu for the selected item has been requested, either by a right click or by using the menu key.} | |
46 | \twocolitem{{\bf EVT\_TREE\_STATE\_IMAGE\_CLICK(id, func)}}{The state image has been clicked. Windows only.} | |
47 | \end{twocollist} | |
48 | ||
49 | \wxheading{See also} | |
50 | ||
51 | \helpref{wxTreeCtrl}{wxtreectrl} | |
52 | ||
53 | \latexignore{\rtfignore{\wxheading{Members}}} | |
54 | ||
55 | \membersection{wxTreeEvent::wxTreeEvent}\label{wxtreeeventctor} | |
56 | ||
57 | \func{}{wxTreeEvent}{\param{WXTYPE }{commandType = 0}, \param{int }{id = 0}} | |
58 | ||
59 | Constructor. | |
60 | ||
61 | \membersection{wxTreeEvent::GetKeyCode}\label{wxtreeeventgetkeycode} | |
62 | ||
63 | \constfunc{int}{GetKeyCode}{} | |
64 | ||
65 | Returns the key code if the event was is a key event. Use | |
66 | \helpref{GetKeyEvent}{wxtreeeventgetkeyevent} to get the values of the | |
67 | modifier keys for this event (i.e. Shift or Ctrl). | |
68 | ||
69 | \membersection{wxTreeEvent::GetItem}\label{wxtreeeventgetitem} | |
70 | ||
71 | \constfunc{wxTreeItemId}{GetItem}{} | |
72 | ||
73 | Returns the item (valid for all events). | |
74 | ||
75 | \membersection{wxTreeEvent::GetKeyEvent}\label{wxtreeeventgetkeyevent} | |
76 | ||
77 | \constfunc{const wxKeyEvent\&}{GetKeyEvent}{} | |
78 | ||
79 | Returns the key event for {\tt EVT\_TREE\_KEY\_DOWN} events. | |
80 | ||
81 | \membersection{wxTreeEvent::GetLabel}\label{wxtreeeventgetlabel} | |
82 | ||
83 | \constfunc{const wxString\&}{GetLabel}{} | |
84 | ||
85 | Returns the label if the event was a begin or end edit label event. | |
86 | ||
87 | \membersection{wxTreeEvent::GetOldItem}\label{wxtreeeventgetolditem} | |
88 | ||
89 | \constfunc{wxTreeItemId}{GetOldItem}{} | |
90 | ||
91 | Returns the old item index (valid for EVT\_TREE\_ITEM\_CHANGING and CHANGED events) | |
92 | ||
93 | \membersection{wxTreeEvent::GetPoint()}\label{wxtreeeventgetpoint} | |
94 | ||
95 | \constfunc{wxPoint}{GetPoint}{} | |
96 | ||
97 | Returns the position of the mouse pointer if the event is a drag event. | |
98 | ||
99 | \membersection{wxTreeEvent::IsEditCancelled()}\label{wxtreeeventiseditcancelled} | |
100 | ||
101 | \constfunc{bool}{IsEditCancelled}{} | |
102 | ||
103 | Returns true if the label edit was cancelled. This should be | |
104 | called from within an EVT\_TREE\_END\_LABEL\_EDIT handler. | |
105 | ||
106 | \membersection{wxTreeEvent::SetToolTip}\label{wxtreeeventsettooltip} | |
107 | ||
108 | \func{void}{SetToolTip}{\param{const wxString\&}{ tooltip}} | |
109 | ||
110 | Set the tooltip for the item (valid for EVT\_TREE\_ITEM\_GETTOOLTIP events). | |
111 | Windows only. | |
112 |