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#include "stdafx.h"
#include "m_xpTheme.h"
//statical
typedef struct _tagXPTObject
{
HANDLE hThemeHandle;
HWND hOwnerWindow;
LPCWSTR lpcwClassObject;
} XPTObject;
static OBJLIST<XPTObject> xptObjectList(1);
static mir_cs xptCS;
static void _sttXptCloseThemeData(XPTObject * xptObject)
{
CloseThemeData(xptObject->hThemeHandle);
xptObject->hThemeHandle = nullptr;
}
static void _sttXptReloadThemeData(XPTObject * xptObject)
{
CloseThemeData(xptObject->hThemeHandle);
xptObject->hThemeHandle = OpenThemeData(xptObject->hOwnerWindow, xptObject->lpcwClassObject);
}
void XPThemesUnloadModule()
{
xptObjectList.destroy();
}
BOOL xpt_IsThemed(XPTHANDLE xptHandle)
{
if (!xptHandle) return FALSE;
mir_cslock lck(xptCS);
return xpt_IsValidHandle(xptHandle) && ((XPTObject*)xptHandle)->hThemeHandle;
}
BOOL xpt_IsValidHandle(XPTHANDLE xptHandle)
{
if (!xptHandle) return FALSE;
mir_cslock lck(xptCS);
return xptObjectList.indexOf((XPTObject*)xptHandle) != -1;
}
XPTHANDLE xpt_AddThemeHandle(HWND hwnd, LPCWSTR className)
{
mir_cslock lck(xptCS);
XPTObject* xptObject = new XPTObject;
xptObject->lpcwClassObject = className;
xptObject->hOwnerWindow = hwnd;
_sttXptReloadThemeData(xptObject);
xptObjectList.insert(xptObject);
return (XPTHANDLE)xptObject;
}
void xpt_FreeThemeHandle(XPTHANDLE xptHandle)
{
mir_cslock lck(xptCS);
if (xpt_IsValidHandle(xptHandle)) {
XPTObject* xptObject = (XPTObject*)xptHandle;
_sttXptCloseThemeData(xptObject);
mir_free(xptHandle);
xptObjectList.remove(xptObjectList.indexOf(xptObject));
}
}
void xpt_FreeThemeForWindow(HWND hwnd)
{
mir_cslock lck(xptCS);
auto T = xptObjectList.rev_iter();
for (auto &xptObject : T)
if (xptObject->hOwnerWindow == hwnd) {
_sttXptCloseThemeData(xptObject);
xptObjectList.remove(T.indexOf(&xptObject));
}
}
void xpt_OnWM_THEMECHANGED()
{
mir_cslock lck(xptCS);
for (auto &it : xptObjectList)
_sttXptReloadThemeData(it);
}
HRESULT xpt_DrawThemeBackground(XPTHANDLE xptHandle, HDC hdc, int type, int state, const RECT *sizeRect, const RECT *clipRect)
{
mir_cslock lck(xptCS);
if (xpt_IsThemed(xptHandle))
return DrawThemeBackground(((XPTObject*)xptHandle)->hThemeHandle, hdc, type, state, sizeRect, clipRect);
return S_FALSE;
}
BOOL xpt_IsThemeBackgroundPartiallyTransparent(XPTHANDLE xptHandle, int type, int state)
{
mir_cslock lck(xptCS);
if (xpt_IsThemed(xptHandle))
return IsThemeBackgroundPartiallyTransparent(((XPTObject*)xptHandle)->hThemeHandle, type, state);
return FALSE;
}
HRESULT xpt_DrawTheme(XPTHANDLE xptHandle, HWND hwnd, HDC hdc, int type, int state, const RECT *sizeRect, const RECT *clipRect)
{
mir_cslock lck(xptCS);
if (xpt_IsThemed(xptHandle)) {
if (IsThemeBackgroundPartiallyTransparent(((XPTObject*)xptHandle)->hThemeHandle, type, state)) {
DrawThemeParentBackground(hwnd, hdc, sizeRect);
return DrawThemeBackground(((XPTObject*)xptHandle)->hThemeHandle, hdc, type, state, sizeRect, clipRect);
}
}
return S_FALSE;
}
HRESULT xpt_DrawThemeText(XPTHANDLE xptHandle, HDC hdc, int type, int state, LPCTSTR lpStr, int len, DWORD flag1, DWORD flag2, const RECT *textRect)
{
mir_cslock lck(xptCS);
if (xpt_IsThemed(xptHandle))
DrawThemeText(((XPTObject*)xptHandle)->hThemeHandle, hdc, type, state, (LPCWSTR)lpStr, len, flag1, flag2, textRect);
else
ske_DrawText(hdc, lpStr, len, (RECT*)textRect, flag1);
return S_OK;
}
BOOL xpt_EnableThemeDialogTexture(HWND hwnd, DWORD flags)
{
mir_cslock lck(xptCS);
return SUCCEEDED(EnableThemeDialogTexture(hwnd, flags));
}
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