59 lines
1.9 KiB
Objective-C
59 lines
1.9 KiB
Objective-C
/////////////////////////////////////////////////////////////////////////////
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// Name: windowid.h
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// Purpose: interface of wxIdManager
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// Author: wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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/**
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The type of unique identifiers (ID) used for wxWindow-derived classes.
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*/
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typedef int wxWindowID;
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/**
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@class wxIdManager
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wxIdManager is responsible for allocating and releasing window IDs.
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It is used by wxWindow::NewControlId() and wxWindow::UnreserveControlId(),
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and can also be used be used directly.
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@library{wxcore}
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@category{cfg}
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@see wxWindow::NewControlId(), wxWindow::UnreserveControlId(),
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@ref overview_windowids
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*/
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class wxIdManager
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{
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public:
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/**
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Called directly by wxWindow::NewControlId(), this function will create
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a new ID or range of IDs.
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The IDs will be reserved until assigned to a wxWindowIDRef() or unreserved
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with UnreserveControlId().
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Only ID values that are not assigned to a wxWindowIDRef() need to be unreserved.
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@param count
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The number of sequential IDs to reserve.
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@return The value of the first ID in the sequence, or wxID_NONE.
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*/
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static wxWindowID ReserveId(int count = 1);
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/**
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Called directly by wxWindow::UnreserveControlId(), this function will
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unreserve an ID or range of IDs that is currently reserved.
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This should only be called for IDs returned by ReserveControlId() that
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have NOT been assigned to a wxWindowIDRef (see @ref overview_windowids).
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@param id
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The first of the range of IDs to unreserve.
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@param count
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The number of sequential IDs to unreserve.
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@return The value of the first ID in the sequence, or wxID_NONE.
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*/
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static void UnreserveId(wxWindowID id, int count = 1);
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};
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