- const int theByte = id / 8;
- const int theBit = id % 8;
-
- gs_autoIdsInUse[theByte] |= 1 << theBit;
-}
-
-void FreeAutoId(wxWindowID id)
-{
- id -= wxID_AUTO_LOWEST;
-
- const int theByte = id / 8;
- const int theBit = id % 8;
-
- gs_autoIdsInUse[theByte] &= ~(1 << theBit);
-}
-
-bool IsAutoIdInUse(wxWindowID id)
-{
- id -= wxID_AUTO_LOWEST;
-
- const int theByte = id / 8;
- const int theBit = id % 8;
-
- return (gs_autoIdsInUse[theByte] & (1 << theBit)) != 0;
-}
-
-} // anonymous namespace
-
-
-/* static */
-bool wxWindowBase::IsAutoGeneratedId(wxWindowID id)
-{
- if ( id < wxID_AUTO_LOWEST || id > wxID_AUTO_HIGHEST )
- return false;
-
- // we shouldn't have any stray ids in this range
- wxASSERT_MSG( IsAutoIdInUse(id), "unused automatically generated id?" );
-
- return true;
-}
-
-wxWindowID wxWindowBase::NewControlId(int count)
-{
- wxASSERT_MSG( count > 0, "can't allocate less than 1 id" );
-
- if ( gs_nextControlId + count - 1 <= wxID_AUTO_HIGHEST )
- {
- // we haven't wrapped yet, so we can just grab the next count ids
- wxWindowID id = gs_nextControlId;
-
- while ( count-- )
- MarkAutoIdUsed(gs_nextControlId++);
-
- return id;
- }
- else // we've already wrapped or are now going to
- {
- // brute-force search for the id values
-
- // number of consecutive free ids found so far
- int found = 0;
-
- for ( wxWindowID id = wxID_AUTO_LOWEST; id <= wxID_AUTO_HIGHEST; id++ )
- {
- if ( !IsAutoIdInUse(id) )
- {
- // found another consecutive available id
- found++;
- if ( found == count )
- {
- // mark all count consecutive free ids we found as being in
- // use now and rewind back to the start of available range
- // in the process
- while ( count-- )
- MarkAutoIdUsed(id--);
-
- return id;
- }
- }
- else // this id is in use
- {
- // reset the number of consecutive free values found
- found = 0;
- }
- }
- }
-
- // if we get here, there are not enough consecutive free ids
- return wxID_NONE;
-}
-
-void wxWindowBase::ReleaseControlId(wxWindowID id)
-{
- wxCHECK_RET( IsAutoGeneratedId(id), "can't release non auto-generated id" );
-
- FreeAutoId(id);
-}