docs/latex/wx/listevt.tex

   1 \section{\class{wxListEvent}}\label{wxlistevent}
   2
   3 A list event holds information about events associated with wxListCtrl 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/listctrl.h>
  15
  16 \wxheading{Event table macros}
  17
  18 To process input from a list control, use these event handler macros to direct input to member
  19 functions that take a wxListEvent argument.
  20
  21 \twocolwidtha{7cm}
  22 \begin{twocollist}\itemsep=0pt
  23 \twocolitem{{\bf EVT\_LIST\_BEGIN\_DRAG(id, func)}}{Begin dragging with the left mouse button.}
  24 \twocolitem{{\bf EVT\_LIST\_BEGIN\_RDRAG(id, func)}}{Begin dragging with the right mouse button.}
  25 \twocolitem{{\bf EVT\_LIST\_BEGIN\_LABEL\_EDIT(id, func)}}{Begin editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
  26 \twocolitem{{\bf EVT\_LIST\_END\_LABEL\_EDIT(id, func)}}{Finish editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
  27 \twocolitem{{\bf EVT\_LIST\_DELETE\_ITEM(id, func)}}{Delete an item.}
  28 \twocolitem{{\bf EVT\_LIST\_DELETE\_ALL\_ITEMS(id, func)}}{Delete all items.}
  29 %\twocolitem{{\bf EVT\_LIST\_GET\_INFO(id, func)}}{Request information from the application, usually the item text.}
  30 %\twocolitem{{\bf EVT\_LIST\_SET\_INFO(id, func)}}{Information is being supplied (not implemented).}
  31 \twocolitem{{\bf EVT\_LIST\_ITEM\_SELECTED(id, func)}}{The item has been selected.}
  32 \twocolitem{{\bf EVT\_LIST\_ITEM\_DESELECTED(id, func)}}{The item has been deselected.}
  33 \twocolitem{{\bf EVT\_LIST\_ITEM\_ACTIVATED(id, func)}}{The item has been activated (ENTER or double click).}
  34 \twocolitem{{\bf EVT\_LIST\_ITEM\_FOCUSED(id, func)}}{The currently focused item has changed.}
  35 \twocolitem{{\bf EVT\_LIST\_ITEM\_MIDDLE\_CLICK(id, func)}}{The middle mouse button has been clicked on an item.}
  36 \twocolitem{{\bf EVT\_LIST\_ITEM\_RIGHT\_CLICK(id, func)}}{The right mouse button has been clicked on an item.}
  37 \twocolitem{{\bf EVT\_LIST\_KEY\_DOWN(id, func)}}{A key has been pressed.}
  38 \twocolitem{{\bf EVT\_LIST\_INSERT\_ITEM(id, func)}}{An item has been inserted.}
  39 \twocolitem{{\bf EVT\_LIST\_COL\_CLICK(id, func)}}{A column ({\bf m\_col}) has been left-clicked.}
  40 \twocolitem{{\bf EVT\_LIST\_COL\_RIGHT\_CLICK(id, func)}}{A column ({\bf m\_col}) has been right-clicked.}
  41 \twocolitem{{\bf EVT\_LIST\_COL\_BEGIN\_DRAG(id, func)}}{The user started resizing a column - can be vetoed.}
  42 \twocolitem{{\bf EVT\_LIST\_COL\_DRAGGING(id, func)}}{The divider between columns is being dragged.}
  43 \twocolitem{{\bf EVT\_LIST\_COL\_END\_DRAG(id, func)}}{A column has been resized by the user.}
  44 \twocolitem{{\bf EVT\_LIST\_CACHE\_HINT(id, func)}}{Prepare cache for a virtual list control}
  45 \end{twocollist}%
  46
  47 \wxheading{See also}
  48
  49 \helpref{wxListCtrl}{wxlistctrl}
  50
  51 \latexignore{\rtfignore{\wxheading{Members}}}
  52
  53 \membersection{wxListEvent::wxListEvent}
  54
  55 \func{}{wxListEvent}{\param{WXTYPE }{commandType = 0}, \param{int }{id = 0}}
  56
  57 Constructor.
  58
  59 \membersection{wxListEvent::GetCacheFrom}\label{wxlisteventgetcachefrom}
  60
  61 \constfunc{long}{GetCacheFrom}{\void}
  62
  63 For {\tt EVT\_LIST\_CACHE\_HINT} event only: return the first item which the
  64 list control advises us to cache.
  65
  66 \membersection{wxListEvent::GetCacheTo}\label{wxlisteventgetcacheto}
  67
  68 \constfunc{long}{GetCacheTo}{\void}
  69
  70 For {\tt EVT\_LIST\_CACHE\_HINT} event only: return the last item (inclusive)
  71 which the list control advises us to cache.
  72
  73 \membersection{wxListEvent::GetCode}\label{wxlisteventgetcode}
  74
  75 \constfunc{int}{GetCode}{\void}
  76
  77 Key code if the event is a keypress event.
  78
  79 \membersection{wxListEvent::GetIndex}\label{wxlisteventgetindex}
  80
  81 \constfunc{long}{GetIndex}{\void}
  82
  83 The item index.
  84
  85 \membersection{wxListEvent::GetColumn}\label{wxlisteventgetcolumn}
  86
  87 \constfunc{int}{GetColumn}{\void}
  88
  89 The column position: it is only used with {\tt COL} events. For the column
  90 dragging events, it is the column to the left of the divider being dragged, for
  91 the column click events it may be $-1$ if the user clicked in the list control
  92 header outside any column.
  93
  94 \membersection{wxListEvent::Cancelled}\label{wxlisteventcancelled}
  95
  96 \constfunc{bool}{Cancelled}{\void}
  97
  98 TRUE if this event is an end edit event and the user cancelled the edit.
  99
 100 \membersection{wxListEvent::GetPoint}\label{wxlisteventgetpoint}
 101
 102 \constfunc{wxPoint}{GetPoint}{\void}
 103
 104 The position of the mouse pointer if the event is a drag event.
 105
 106
 107 \membersection{wxListEvent::GetLabel}\label{wxlisteventgetlabel}
 108
 109 \constfunc{const wxString\&}{GetLabel}{\void}
 110
 111 The label.
 112
 113 \membersection{wxListEvent::GetText}\label{wxlisteventgettext}
 114
 115 \constfunc{const wxString\&}{GetText}{\void}
 116
 117 The text.
 118
 119 \membersection{wxListEvent::GetImage}\label{wxlisteventgetimage}
 120
 121 \constfunc{int}{GetImage}{\void}
 122
 123 The image.
 124
 125 \membersection{wxListEvent::GetData}\label{wxlisteventgetdata}
 126
 127 \constfunc{long}{GetData}{\void}
 128
 129 The data.
 130
 131 \membersection{wxListEvent::GetMask}\label{wxlisteventgetmask}
 132
 133 \constfunc{long}{GetMask}{\void}
 134
 135 The mask.
 136
 137 \membersection{wxListEvent::GetItem}\label{wxlisteventgetitem}
 138
 139 \constfunc{const wxListItem\&}{GetItem}{\void}
 140
 141 An item object, used by some events. See also \helpref{wxListCtrl::SetItem}{wxlistctrlsetitem}.
 142
 143