/***********************************************************************
* MSSTYLES_FindProperty
*
* Locate a property in a class. Part and state IDs will be used as a
* preference, but may be ignored in the attempt to locate the property.
* Will scan the entire chain of overrides for this class.
*/
PTHEME_PROPERTY MSSTYLES_FindProperty(PTHEME_CLASS tc, int iPartId, int iStateId, int iPropertyPrimitive, int iPropertyId)
{
PTHEME_CLASS next = tc;
PTHEME_PARTSTATE ps;
PTHEME_PROPERTY tp;
TRACE("(%p, %d, %d, %d)\n", tc, iPartId, iStateId, iPropertyId);
/* Try and find an exact match on part & state */
while(next && (ps = MSSTYLES_FindPartState(next, iPartId, iStateId, &next))) {
if((tp = MSSTYLES_PSFindProperty(ps, iPropertyPrimitive, iPropertyId))) {
return tp;
}
}
/* If that fails, and we didn't already try it, search for just part */
if(iStateId != 0)
iStateId = 0;
/* As a last ditch attempt..go for just class */
else if(iPartId != 0)
iPartId = 0;
else
return NULL;
if((tp = MSSTYLES_FindProperty(tc, iPartId, iStateId, iPropertyPrimitive, iPropertyId)))
return tp;
return NULL;
}
/***********************************************************************
* IsThemePartDefined (UXTHEME.@)
*/
BOOL WINAPI IsThemePartDefined(HTHEME hTheme, int iPartId, int iStateId)
{
TRACE("(%p,%d,%d)\n", hTheme, iPartId, iStateId);
if(!hTheme) {
SetLastError(E_HANDLE);
return FALSE;
}
if(MSSTYLES_FindPartState(hTheme, iPartId, iStateId, NULL))
return TRUE;
return FALSE;
}
/***********************************************************************
* MSSTYLES_AddPartState
*
* Add a part/state to a class
*
* PARAMS
* tc Theme class
* iPartId Part ID to add
* iStateId State ID to add
*
* RETURNS
* The part/state added, or a part/state previously added with the same IDs
*/
static PTHEME_PARTSTATE MSSTYLES_AddPartState(PTHEME_CLASS tc, int iPartId, int iStateId)
{
PTHEME_PARTSTATE cur = MSSTYLES_FindPartState(tc, iPartId, iStateId, NULL);
if(cur) return cur;
cur = HeapAlloc(GetProcessHeap(), 0, sizeof(THEME_PARTSTATE));
cur->iPartId = iPartId;
cur->iStateId = iStateId;
cur->properties = NULL;
cur->next = tc->partstate;
tc->partstate = cur;
return cur;
}
/***********************************************************************
* MSSTYLES_FindPartState
*
* Find a part/state
*
* PARAMS
* tc Class to search
* iPartId Part ID to find
* iStateId State ID to find
* tcNext Receives the next class in the override chain
*
* RETURNS
* The part/state found, or NULL
*/
PTHEME_PARTSTATE MSSTYLES_FindPartState(PTHEME_CLASS tc, int iPartId, int iStateId, PTHEME_CLASS *tcNext)
{
PTHEME_PARTSTATE cur = tc->partstate;
while(cur) {
if(cur->iPartId == iPartId && cur->iStateId == iStateId) {
if(tcNext) *tcNext = tc->overrides;
return cur;
}
cur = cur->next;
}
if(tc->overrides) return MSSTYLES_FindPartState(tc->overrides, iPartId, iStateId, tcNext);
return NULL;
}
