wxTreeEvent.3erl - Man Page

Functions for wxTreeEvent class


A tree event holds information about events associated with wxTreeCtrl objects.

To process input from a tree control, use these event handler macros to direct input to member functions that take a wxTreeEvent argument.

See: wxTreeCtrl

This class is derived (and can use functions) from: wxNotifyEvent wxCommandEvent wxEvent

wxWidgets docs: wxTreeEvent


Use wxEvtHandler:connect/3 with wxTreeEventType to subscribe to events of this type.

Data Types

wxTreeEvent() = wx:wx_object()
wxTree() = 
    #wxTree{type = wxTreeEvent:wxTreeEventType(),
            item = integer(),
            itemOld = integer(),
            pointDrag = {X :: integer(), Y :: integer()}}
wxTreeEventType() = 
    command_tree_begin_drag | command_tree_begin_rdrag |
    command_tree_begin_label_edit | command_tree_end_label_edit |
    command_tree_delete_item | command_tree_get_info |
    command_tree_set_info | command_tree_item_expanded |
    command_tree_item_expanding | command_tree_item_collapsed |
    command_tree_item_collapsing | command_tree_sel_changed |
    command_tree_sel_changing | command_tree_key_down |
    command_tree_item_activated | command_tree_item_right_click |
    command_tree_item_middle_click | command_tree_end_drag |
    command_tree_state_image_click |
    command_tree_item_gettooltip | command_tree_item_menu |
    dirctrl_selectionchanged | dirctrl_fileactivated


getKeyCode(This) -> integer()

This = wxTreeEvent()

Returns the key code if the event is a key event.

Use getKeyEvent/1 to get the values of the modifier keys for this event (i.e. Shift or Ctrl).

getItem(This) -> integer()

This = wxTreeEvent()

Returns the item (valid for all events).

getKeyEvent(This) -> wxKeyEvent:wxKeyEvent()

This = wxTreeEvent()

Returns the key event for EVT_TREE_KEY_DOWN events.

getLabel(This) -> unicode:charlist()

This = wxTreeEvent()

Returns the label if the event is a begin or end edit label event.

getOldItem(This) -> integer()

This = wxTreeEvent()

Returns the old item index (valid for EVT_TREE_SEL_CHANGING and EVT_TREE_SEL_CHANGED events).

getPoint(This) -> {X :: integer(), Y :: integer()}

This = wxTreeEvent()

Returns the position of the mouse pointer if the event is a drag or menu-context event.

In both cases the position is in client coordinates - i.e. relative to the wxTreeCtrl window (so that you can pass it directly to e.g. wxWindow:popupMenu/4).

isEditCancelled(This) -> boolean()

This = wxTreeEvent()

Returns true if the label edit was cancelled.

This should be called from within an EVT_TREE_END_LABEL_EDIT handler.

setToolTip(This, Tooltip) -> ok

This = wxTreeEvent()
Tooltip = unicode:chardata()

Set the tooltip for the item (valid for EVT_TREE_ITEM_GETTOOLTIP events).

Windows only.


wx 2.0 Ericsson AB Erlang Module Definition