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#include "hdr/modern_commonheaders.h"
#include "hdr/modern_commonprototypes.h"
#include "m_api/m_xpTheme.h"
//statical
typedef struct _tagXPTObject
{
HANDLE hThemeHandle;
HWND hOwnerWindow;
LPCWSTR lpcwClassObject;
} XPTObject;
static SortedList * xptObjectList=NULL;
static CRITICAL_SECTION xptCS;
static BOOL xptModuleLoaded=FALSE;
static HMODULE _xpt_ThemeAPIHandle = NULL; // handle to uxtheme.dll
static HANDLE (WINAPI *_xpt_OpenThemeData)(HWND, LPCWSTR) = NULL;
static HRESULT (WINAPI *_xpt_CloseThemeData)(HANDLE)= NULL;
static BOOL (WINAPI *_xpt_IsThemeBackgroundPartiallyTransparent)(HANDLE, int,int)= NULL;
static BOOL (WINAPI *_xpt_EnableThemeDialogTexture)(HANDLE, DWORD)=NULL;
static HRESULT (WINAPI *_xpt_GetThemePartSize)(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, RECT *prc, int eSize, SIZE *psz )= NULL;
static HRESULT (WINAPI *_xpt_DrawThemeParentBackground)(HWND, HDC, const RECT *)= NULL;
static HRESULT (WINAPI *_xpt_DrawThemeBackground)(HANDLE, HDC, int, int,const RECT *, const RECT *)= NULL;
static HRESULT (WINAPI *_xpt_DrawThemeText)(HANDLE, HDC, int, int, LPCWSTR, int,DWORD, DWORD, const RECT *)= NULL;
#undef MGPROC
#define MGPROC(x) GetProcAddress(_xpt_ThemeAPIHandle,x)
#define xptcheck if (!xptModuleLoaded) return
#define xptlock() EnterCriticalSection(&xptCS)
#define xptunlock() LeaveCriticalSection(&xptCS)
static void _sttXptObjectDestructor (void * pt)
{
mir_free(pt);
}
static int _xpt_ThemeSupport()
{
if (IsWinVerXPPlus()) {
if (!_xpt_ThemeAPIHandle) {
_xpt_ThemeAPIHandle = GetModuleHandleA("uxtheme");
if (_xpt_ThemeAPIHandle) {
_xpt_OpenThemeData = (HANDLE(WINAPI *)(HWND, LPCWSTR))MGPROC("OpenThemeData");
_xpt_CloseThemeData = (HRESULT(WINAPI *)(HANDLE))MGPROC("CloseThemeData");
_xpt_IsThemeBackgroundPartiallyTransparent = (BOOL(WINAPI *)(HANDLE, int, int))MGPROC("IsThemeBackgroundPartiallyTransparent");
_xpt_DrawThemeParentBackground = (HRESULT(WINAPI *)(HWND, HDC, const RECT *))MGPROC("DrawThemeParentBackground");
_xpt_DrawThemeBackground = (HRESULT(WINAPI *)(HANDLE, HDC, int, int, const RECT *, const RECT *))MGPROC("DrawThemeBackground");
_xpt_DrawThemeText = (HRESULT(WINAPI *)(HANDLE, HDC, int, int, LPCWSTR, int, DWORD, DWORD, const RECT *))MGPROC("DrawThemeText");
_xpt_GetThemePartSize = (HRESULT(WINAPI *)(HTHEME , HDC , int , int , RECT *, int , SIZE * ))MGPROC("GetThemePartSize");
_xpt_EnableThemeDialogTexture = (BOOL (WINAPI *)(HANDLE, DWORD)) MGPROC("EnableThemeDialogTexture");
}
}
// Make sure all of these methods are valid (i would hope either all or none work)
if (_xpt_OpenThemeData &&
_xpt_CloseThemeData &&
_xpt_IsThemeBackgroundPartiallyTransparent &&
_xpt_DrawThemeParentBackground &&
_xpt_DrawThemeBackground &&
_xpt_DrawThemeText &&
_xpt_GetThemePartSize)
{
return 1;
}
}
return 0;
}
static void _sttXptCloseThemeData(XPTObject * xptObject)
{
_xpt_CloseThemeData(xptObject->hThemeHandle);
xptObject->hThemeHandle=NULL;
}
static void _sttXptReloadThemeData(XPTObject * xptObject)
{
_xpt_CloseThemeData(xptObject->hThemeHandle);
xptObject->hThemeHandle=_xpt_OpenThemeData(xptObject->hOwnerWindow, xptObject->lpcwClassObject);
}
HRESULT XPThemesLoadModule()
{
if (_xpt_ThemeSupport())
{
InitializeCriticalSection(&xptCS);
xptObjectList=li.List_Create(0,1);
xptModuleLoaded=TRUE;
}
return S_OK;
}
void XPThemesUnloadModule()
{
xptcheck;
xptlock();
xptModuleLoaded=FALSE;
xptunlock();
li_ListDestruct(xptObjectList,_sttXptObjectDestructor);
DeleteCriticalSection(&xptCS);
FreeLibrary(_xpt_ThemeAPIHandle);
}
BOOL xpt_IsThemed(XPTHANDLE xptHandle)
{
BOOL res=FALSE;
xptcheck FALSE;
if (!xptHandle) return FALSE;
xptlock();
{
if (xpt_IsValidHandle(xptHandle) && ((XPTObject*) xptHandle)->hThemeHandle)
res=TRUE;
}
xptunlock();
return res;
}
BOOL xpt_IsValidHandle(XPTHANDLE xptHandle)
{
BOOL res=FALSE;
xptcheck FALSE;
if (!xptHandle) return FALSE;
xptlock();
{
if (li.List_IndexOf(xptObjectList, (void*)xptHandle)!=-1)
res=TRUE;
}
xptunlock();
return res;
}
XPTHANDLE xpt_AddThemeHandle(HWND hwnd, LPCWSTR className)
{
XPTHANDLE res = NULL;
xptcheck NULL;
xptlock();
{
XPTObject* xptObject=(XPTObject*)mir_calloc(sizeof(XPTObject));
xptObject->lpcwClassObject=className;
xptObject->hOwnerWindow=hwnd;
_sttXptReloadThemeData(xptObject);
li.List_InsertPtr(xptObjectList, (void*)xptObject);
res=(XPTHANDLE)xptObject;
}
xptunlock();
return res;
}
void xpt_FreeThemeHandle(XPTHANDLE xptHandle)
{
xptcheck;
xptlock();
if (xpt_IsValidHandle(xptHandle))
{
XPTObject* xptObject=(XPTObject*)xptHandle;
_sttXptCloseThemeData(xptObject);
_sttXptObjectDestructor((void *) xptHandle);
li.List_Remove(xptObjectList, li.List_IndexOf(xptObjectList,(void *) xptHandle));
}
xptunlock();
}
void xpt_FreeThemeForWindow(HWND hwnd)
{
xptcheck;
xptlock();
{
int i=0;
while (i<xptObjectList->realCount)
{
XPTObject* xptObject=(XPTObject*)xptObjectList->items[i];
if (xptObject->hOwnerWindow==hwnd)
{
_sttXptCloseThemeData(xptObject);
_sttXptObjectDestructor((void *) xptObject);
li.List_Remove(xptObjectList, i);
}
else
i++;
}
}
xptunlock();
}
void xpt_OnWM_THEMECHANGED()
{
xptcheck;
xptlock();
{
int i;
for (i=0; i<xptObjectList->realCount; i++)
_sttXptReloadThemeData((XPTObject*)xptObjectList->items[i]);
}
xptunlock();
}
HRESULT xpt_DrawThemeBackground(XPTHANDLE xptHandle, HDC hdc, int type, int state, const RECT * sizeRect, const RECT * clipRect)
{
HRESULT res=S_FALSE;
xptcheck S_FALSE;
xptlock();
if (xpt_IsThemed(xptHandle))
res=_xpt_DrawThemeBackground(((XPTObject*)xptHandle)->hThemeHandle, hdc, type, state, sizeRect, clipRect);
xptunlock();
return res;
}
HRESULT xpt_DrawThemeParentBackground(HWND hWnd, HDC hdc, const RECT * sizeRect)
{
xptcheck S_FALSE;
return xpt_DrawThemeParentBackground(hWnd, hdc, sizeRect);
}
BOOL xpt_IsThemeBackgroundPartiallyTransparent(XPTHANDLE xptHandle, int type, int state)
{
BOOL res=FALSE;
xptcheck FALSE;
xptlock();
if (xpt_IsThemed(xptHandle))
res=_xpt_IsThemeBackgroundPartiallyTransparent(((XPTObject*)xptHandle)->hThemeHandle, type, state);
xptunlock();
return res;
}
HRESULT xpt_DrawTheme(XPTHANDLE xptHandle, HWND hwnd, HDC hdc, int type, int state, const RECT *sizeRect, const RECT * clipRect)
{
HRESULT res=S_FALSE;
xptcheck S_FALSE;
xptlock();
if (xpt_IsThemed(xptHandle))
{
if (_xpt_IsThemeBackgroundPartiallyTransparent(((XPTObject*)xptHandle)->hThemeHandle, type, state))
res=_xpt_DrawThemeParentBackground(hwnd,hdc,sizeRect);
res=_xpt_DrawThemeBackground(((XPTObject*)xptHandle)->hThemeHandle, hdc, type, state, sizeRect, clipRect);
}
xptunlock();
return res;
}
HRESULT xpt_DrawThemeText(XPTHANDLE xptHandle, HDC hdc, int type, int state, LPCTSTR lpStr, int len, DWORD flag1, DWORD flag2, const RECT * textRect)
{
HRESULT res=S_FALSE;
xptcheck S_FALSE;
xptlock();
if (xpt_IsThemed(xptHandle))
_xpt_DrawThemeText(((XPTObject*)xptHandle)->hThemeHandle, hdc, type, state, (LPCWSTR)lpStr, len, flag1, flag2, textRect);
else
ske_DrawText(hdc,lpStr,len, (RECT*)textRect, flag1);
xptunlock();
return S_OK;
}
BOOL xpt_EnableThemeDialogTexture(HWND hwnd, DWORD flags)
{
BOOL res=FALSE;
xptcheck res;
xptlock();
res=_xpt_EnableThemeDialogTexture(hwnd, flags);
xptunlock();
return res;
}
//usage outside
// add theme data
// in WM_DESTROY - release theme data
// in paint xpt_DrawTheme
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