2e0ce62d46
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14950 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
94 lines
3.8 KiB
TeX
94 lines
3.8 KiB
TeX
\section{\class{wxTreeEvent}}\label{wxtreeevent}
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A tree event holds information about events associated with wxTreeCtrl objects.
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\wxheading{Derived from}
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\helpref{wxNotifyEvent}{wxnotifyevent}\\
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\helpref{wxCommandEvent}{wxcommandevent}\\
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\helpref{wxEvent}{wxevent}\\
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\helpref{wxObject}{wxobject}
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\wxheading{Include files}
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<wx/treectrl.h>
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\wxheading{Event table macros}
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To process input from a tree control, use these event handler macros to direct input to member
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functions that take a wxTreeEvent argument.
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\twocolwidtha{9cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{{\bf EVT\_TREE\_BEGIN\_DRAG(id, func)}}{The user has started dragging an item with the left mouse button.}
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\twocolitem{{\bf EVT\_TREE\_BEGIN\_RDRAG(id, func)}}{The user has started dragging an item with the right mouse button.}
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\twocolitem{{\bf EVT\_TREE\_BEGIN\_LABEL\_EDIT(id, func)}}{Begin editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
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\twocolitem{{\bf EVT\_TREE\_END\_DRAG(id, func)}}{The user has released the mouse after dragging an item.}
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\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}.}
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\twocolitem{{\bf EVT\_TREE\_DELETE\_ITEM(id, func)}}{A tree item has been deleted.}
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% thy're not very (or at all) useful currently
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%\twocolitem{{\bf EVT\_TREE\_GET\_INFO(id, func)}}{Request information from the application.}
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%\twocolitem{{\bf EVT\_TREE\_SET\_INFO(id, func)}}{Information is being supplied.}
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\twocolitem{{\bf EVT\_TREE\_ITEM\_ACTIVATED(id, func)}}{An item has been activated (e.g. double clicked).}
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\twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSED(id, func)}}{The item has been collapsed.}
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\twocolitem{{\bf EVT\_TREE\_ITEM\_COLLAPSING(id, func)}}{The item is being collapsed. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
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\twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDED(id, func)}}{The item has been expanded.}
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\twocolitem{{\bf EVT\_TREE\_ITEM\_EXPANDING(id, func)}}{The item is being expanded. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
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\twocolitem{{\bf EVT\_TREE\_ITEM\_RIGHT\_CLICK(id, func)}}{The user has clicked the item with the right mouse button.}
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\twocolitem{{\bf EVT\_TREE\_ITEM\_MIDDLE\_CLICK(id, func)}}{The user has clicked the item with the middle mouse button.}
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\twocolitem{{\bf EVT\_TREE\_KEY\_DOWN(id, func)}}{A key has been pressed.}
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\twocolitem{{\bf EVT\_TREE\_SEL\_CHANGED(id, func)}}{Selection has changed.}
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\twocolitem{{\bf EVT\_TREE\_SEL\_CHANGING(id, func)}}{Selection is changing. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
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\end{twocollist}%
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\wxheading{See also}
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\helpref{wxTreeCtrl}{wxtreectrl}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxTreeEvent::wxTreeEvent}
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\func{}{wxTreeEvent}{\param{WXTYPE }{commandType = 0}, \param{int }{id = 0}}
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Constructor.
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\membersection{wxTreeEvent::GetCode}
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\constfunc{int}{GetCode}{}
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Returns the key code if the event was is a key event. Use
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\helpref{GetKeyEvent}{wxtreeeventgetkeyevent} to get the values of the
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modifier keys for this event (i.e. Shift or Ctrl).
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\membersection{wxTreeEvent::GetItem}
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\constfunc{wxTreeItemId}{GetItem}{}
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Returns the item (valid for all events).
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\membersection{wxTreeEvent::GetKeyEvent}\label{wxtreeeventgetkeyevent}
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\constfunc{const wxKeyEvent\&}{GetKeyEvent}{}
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Returns the key event for {\tt EVT\_TREE\_KEY\_DOWN} events.
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\membersection{wxTreeEvent::GetLabel}
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\constfunc{const wxString\&}{GetLabel}{}
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Returns the label if the event was a begin or end edit label event.
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\membersection{wxTreeEvent::GetOldItem}
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\constfunc{wxTreeItemId}{GetOldItem}{}
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Returns the old item index (valid for EVT\_TREE\_ITEM\_CHANGING and CHANGED events)
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\membersection{wxTreeEvent::GetPoint()}
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\constfunc{wxPoint}{GetPoint}{}
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Returns the position of the mouse pointer if the event is a drag event.
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