Pass infoPtr around in month calendar control

Dmitry Timoshkov dmitry at baikal.ru
Tue Nov 30 03:26:15 CST 2004


Hello,

Changelog:
    Dmitry Timoshkov <dmitry at codeweavers.com>
    - Pass infoPtr around in month calendar control
    - Add support for WM_SETFONT and WM_GETFONT messages

--- cvs/hq/wine/dlls/comctl32/monthcal.c	2004-11-09 14:04:06.000000000 +0800
+++ wine/dlls/comctl32/monthcal.c	2004-11-30 17:18:40.000000000 +0800
@@ -279,8 +279,7 @@ static inline void MONTHCAL_CalcPosFromD
 
 /* day is the day in the month(1 == 1st of the month) */
 /* month is the month value(1 == january, 12 == december) */
-static void MONTHCAL_CircleDay(HDC hdc, MONTHCAL_INFO *infoPtr, int day,
-int month)
+static void MONTHCAL_CircleDay(MONTHCAL_INFO *infoPtr, HDC hdc, int day, int month)
 {
   HPEN hRedPen = CreatePen(PS_SOLID, 2, RGB(255, 0, 0));
   HPEN hOldPen2 = SelectObject(hdc, hRedPen);
@@ -331,7 +330,7 @@ int month)
 }
 
 
-static void MONTHCAL_DrawDay(HDC hdc, MONTHCAL_INFO *infoPtr, int day, int month,
+static void MONTHCAL_DrawDay(MONTHCAL_INFO *infoPtr, HDC hdc, int day, int month,
                              int x, int y, int bold)
 {
   char buf[10];
@@ -404,9 +403,8 @@ static void MONTHCAL_DrawDay(HDC hdc, MO
 }
 
 
-static void MONTHCAL_Refresh(HWND hwnd, HDC hdc, PAINTSTRUCT* ps)
+static void MONTHCAL_Refresh(MONTHCAL_INFO *infoPtr, HDC hdc, PAINTSTRUCT* ps)
 {
-  MONTHCAL_INFO *infoPtr=MONTHCAL_GetInfoPtr(hwnd);
   RECT *title=&infoPtr->title;
   RECT *prev=&infoPtr->titlebtnprev;
   RECT *next=&infoPtr->titlebtnnext;
@@ -420,12 +418,11 @@ static void MONTHCAL_Refresh(HWND hwnd, 
   SIZE size;
   HBRUSH hbr;
   HFONT currentFont;
-  /* LOGFONTA logFont; */
   char buf[20];
   char buf1[20];
   char buf2[32];
   COLORREF oldTextColor, oldBkColor;
-  DWORD dwStyle = GetWindowLongA(hwnd, GWL_STYLE);
+  DWORD dwStyle = GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE);
   RECT rcTemp;
   RECT rcDay; /* used in MONTHCAL_CalcDayRect() */
   SYSTEMTIME localtime;
@@ -563,7 +560,7 @@ static void MONTHCAL_Refresh(HWND hwnd, 
     MONTHCAL_CalcDayRect(infoPtr, &rcDay, i, 0);
     if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcDay))
     {
-      MONTHCAL_DrawDay(hdc, infoPtr, day, prevMonth, i, 0,
+      MONTHCAL_DrawDay(infoPtr, hdc, day, prevMonth, i, 0,
           infoPtr->monthdayState[m] & mask);
     }
 
@@ -587,14 +584,14 @@ static void MONTHCAL_Refresh(HWND hwnd, 
     if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcDay))
     {
 
-      MONTHCAL_DrawDay(hdc, infoPtr, day, infoPtr->currentMonth, i, 0,
+      MONTHCAL_DrawDay(infoPtr, hdc, day, infoPtr->currentMonth, i, 0,
 	infoPtr->monthdayState[m] & mask);
 
       if((infoPtr->currentMonth==infoPtr->todaysDate.wMonth) &&
           (day==infoPtr->todaysDate.wDay) &&
 	  (infoPtr->currentYear == infoPtr->todaysDate.wYear)) {
         if(!(dwStyle & MCS_NOTODAYCIRCLE))
-	  MONTHCAL_CircleDay(hdc, infoPtr, day, infoPtr->currentMonth);
+	  MONTHCAL_CircleDay(infoPtr, hdc, day, infoPtr->currentMonth);
       }
     }
 
@@ -609,14 +606,14 @@ static void MONTHCAL_Refresh(HWND hwnd, 
     MONTHCAL_CalcDayRect(infoPtr, &rcDay, i, j);
     if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcDay))
     {
-      MONTHCAL_DrawDay(hdc, infoPtr, day, infoPtr->currentMonth, i, j,
+      MONTHCAL_DrawDay(infoPtr, hdc, day, infoPtr->currentMonth, i, j,
           infoPtr->monthdayState[m] & mask);
 
       if((infoPtr->currentMonth==infoPtr->todaysDate.wMonth) &&
           (day==infoPtr->todaysDate.wDay) &&
           (infoPtr->currentYear == infoPtr->todaysDate.wYear))
         if(!(dwStyle & MCS_NOTODAYCIRCLE))
-	  MONTHCAL_CircleDay(hdc, infoPtr, day, infoPtr->currentMonth);
+	  MONTHCAL_CircleDay(infoPtr, hdc, day, infoPtr->currentMonth);
     }
     mask<<=1;
     day++;
@@ -638,7 +635,7 @@ static void MONTHCAL_Refresh(HWND hwnd, 
     MONTHCAL_CalcDayRect(infoPtr, &rcDay, i, j);
     if(IntersectRect(&rcTemp, &(ps->rcPaint), &rcDay))
     {
-      MONTHCAL_DrawDay(hdc, infoPtr, day, infoPtr->currentMonth + 1, i, j,
+      MONTHCAL_DrawDay(infoPtr, hdc, day, infoPtr->currentMonth + 1, i, j,
 		infoPtr->monthdayState[m] & mask);
     }
 
@@ -660,7 +657,7 @@ static void MONTHCAL_Refresh(HWND hwnd, 
     int offset = 0;
     if(!(dwStyle & MCS_NOTODAYCIRCLE))  {
       /*day is the number of days from nextmonth we put on the calendar */
-      MONTHCAL_CircleDay(hdc, infoPtr,
+      MONTHCAL_CircleDay(infoPtr, hdc,
 			 day+MONTHCAL_MonthLength(infoPtr->currentMonth,infoPtr->currentYear),
 			 infoPtr->currentMonth);
       offset+=textWidth;
@@ -773,11 +770,11 @@ static void MONTHCAL_Refresh(HWND hwnd, 
 
 
 static LRESULT
-MONTHCAL_GetMinReqRect(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetMinReqRect(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   LPRECT lpRect = (LPRECT) lParam;
-  TRACE("%x %lx\n", wParam, lParam);
+
+  TRACE("rect %p\n", lpRect);
 
   /* validate parameters */
 
@@ -787,7 +784,7 @@ MONTHCAL_GetMinReqRect(HWND hwnd, WPARAM
   lpRect->top = infoPtr->title.top;
   lpRect->right = infoPtr->title.right;
   lpRect->bottom = infoPtr->todayrect.bottom;
-  AdjustWindowRect(lpRect, GetWindowLongW(hwnd, GWL_STYLE), FALSE);
+  AdjustWindowRect(lpRect, GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE), FALSE);
 
   TRACE("%s\n", wine_dbgstr_rect(lpRect));
 
@@ -796,11 +793,9 @@ MONTHCAL_GetMinReqRect(HWND hwnd, WPARAM
 
 
 static LRESULT
-MONTHCAL_GetColor(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetColor(MONTHCAL_INFO *infoPtr, WPARAM wParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
-
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("\n");
 
   switch((int)wParam) {
     case MCSC_BACKGROUND:
@@ -822,12 +817,11 @@ MONTHCAL_GetColor(HWND hwnd, WPARAM wPar
 
 
 static LRESULT
-MONTHCAL_SetColor(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetColor(MONTHCAL_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   int prev = -1;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("%d: color %08lx\n", wParam, lParam);
 
   switch((int)wParam) {
     case MCSC_BACKGROUND:
@@ -856,17 +850,15 @@ MONTHCAL_SetColor(HWND hwnd, WPARAM wPar
       break;
   }
 
-  InvalidateRect(hwnd, NULL, FALSE);
+  InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
   return prev;
 }
 
 
 static LRESULT
-MONTHCAL_GetMonthDelta(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetMonthDelta(MONTHCAL_INFO *infoPtr)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
-
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("\n");
 
   if(infoPtr->delta)
     return infoPtr->delta;
@@ -876,12 +868,11 @@ MONTHCAL_GetMonthDelta(HWND hwnd, WPARAM
 
 
 static LRESULT
-MONTHCAL_SetMonthDelta(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetMonthDelta(MONTHCAL_INFO *infoPtr, WPARAM wParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   int prev = infoPtr->delta;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("delta %d\n", wParam);
 
   infoPtr->delta = (int)wParam;
   return prev;
@@ -889,10 +880,8 @@ MONTHCAL_SetMonthDelta(HWND hwnd, WPARAM
 
 
 static LRESULT
-MONTHCAL_GetFirstDayOfWeek(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetFirstDayOfWeek(MONTHCAL_INFO *infoPtr)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
-
   return infoPtr->firstDay;
 }
 
@@ -902,14 +891,13 @@ MONTHCAL_GetFirstDayOfWeek(HWND hwnd, WP
 /* FIXME: this needs to be implemented properly in MONTHCAL_Refresh() */
 /* FIXME: we need more error checking here */
 static LRESULT
-MONTHCAL_SetFirstDayOfWeek(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetFirstDayOfWeek(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   int prev = infoPtr->firstDay;
   char buf[40];
   int day;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("day %ld\n", lParam);
 
   if((lParam >= 0) && (lParam < 7)) {
     infoPtr->firstDay = (int)lParam;
@@ -929,22 +917,17 @@ MONTHCAL_SetFirstDayOfWeek(HWND hwnd, WP
 
 
 static LRESULT
-MONTHCAL_GetMonthRange(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetMonthRange(MONTHCAL_INFO *infoPtr)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
-
-  TRACE("%x %lx\n", wParam, lParam);
-  FIXME("stub\n");
+  TRACE("\n");
 
   return infoPtr->monthRange;
 }
 
 
 static LRESULT
-MONTHCAL_GetMaxTodayWidth(HWND hwnd)
+MONTHCAL_GetMaxTodayWidth(MONTHCAL_INFO *infoPtr)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
-
   return(infoPtr->todayrect.right - infoPtr->todayrect.left);
 }
 
@@ -956,9 +939,8 @@ MONTHCAL_GetMaxTodayWidth(HWND hwnd)
  */
 
 static LRESULT
-MONTHCAL_SetRange(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetRange(MONTHCAL_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   SYSTEMTIME *lprgSysTimeArray=(SYSTEMTIME *)lParam;
   int prev;
 
@@ -1013,10 +995,9 @@ MONTHCAL_GetRange(HWND hwnd, WPARAM wPar
 
 
 static LRESULT
-MONTHCAL_SetDayState(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetDayState(MONTHCAL_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   int i, iMonths = (int)wParam;
   MONTHDAYSTATE *dayStates = (LPMONTHDAYSTATE)lParam;
 
@@ -1029,14 +1010,13 @@ MONTHCAL_SetDayState(HWND hwnd, WPARAM w
 }
 
 static LRESULT
-MONTHCAL_GetCurSel(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetCurSel(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   SYSTEMTIME *lpSel = (SYSTEMTIME *) lParam;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("%lx\n", lParam);
   if((infoPtr==NULL) ||(lpSel==NULL)) return FALSE;
-  if(GetWindowLongA(hwnd, GWL_STYLE) & MCS_MULTISELECT) return FALSE;
+  if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & MCS_MULTISELECT) return FALSE;
 
   MONTHCAL_CopyTime(&infoPtr->minSel, lpSel);
   TRACE("%d/%d/%d\n", lpSel->wYear, lpSel->wMonth, lpSel->wDay);
@@ -1046,14 +1026,13 @@ MONTHCAL_GetCurSel(HWND hwnd, WPARAM wPa
 /* FIXME: if the specified date is not visible, make it visible */
 /* FIXME: redraw? */
 static LRESULT
-MONTHCAL_SetCurSel(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetCurSel(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   SYSTEMTIME *lpSel = (SYSTEMTIME *)lParam;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("%lx\n", lParam);
   if((infoPtr==NULL) ||(lpSel==NULL)) return FALSE;
-  if(GetWindowLongA(hwnd, GWL_STYLE) & MCS_MULTISELECT) return FALSE;
+  if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & MCS_MULTISELECT) return FALSE;
 
   infoPtr->currentMonth=lpSel->wMonth;
   infoPtr->currentYear=lpSel->wYear;
@@ -1061,29 +1040,25 @@ MONTHCAL_SetCurSel(HWND hwnd, WPARAM wPa
   MONTHCAL_CopyTime(lpSel, &infoPtr->minSel);
   MONTHCAL_CopyTime(lpSel, &infoPtr->maxSel);
 
-  InvalidateRect(hwnd, NULL, FALSE);
+  InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
 
   return TRUE;
 }
 
 
 static LRESULT
-MONTHCAL_GetMaxSelCount(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetMaxSelCount(MONTHCAL_INFO *infoPtr)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
-
-  TRACE("%x %lx\n", wParam, lParam);
   return infoPtr->maxSelCount;
 }
 
 
 static LRESULT
-MONTHCAL_SetMaxSelCount(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetMaxSelCount(MONTHCAL_INFO *infoPtr, WPARAM wParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
+  TRACE("%x\n", wParam);
 
-  TRACE("%x %lx\n", wParam, lParam);
-  if(GetWindowLongA(hwnd, GWL_STYLE) & MCS_MULTISELECT)  {
+  if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & MCS_MULTISELECT)  {
     infoPtr->maxSelCount = wParam;
   }
 
@@ -1092,18 +1067,17 @@ MONTHCAL_SetMaxSelCount(HWND hwnd, WPARA
 
 
 static LRESULT
-MONTHCAL_GetSelRange(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetSelRange(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   SYSTEMTIME *lprgSysTimeArray = (SYSTEMTIME *) lParam;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("%lx\n", lParam);
 
   /* validate parameters */
 
   if((infoPtr==NULL) ||(lprgSysTimeArray==NULL)) return FALSE;
 
-  if(GetWindowLongA(hwnd, GWL_STYLE) & MCS_MULTISELECT)
+  if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & MCS_MULTISELECT)
   {
     MONTHCAL_CopyTime(&infoPtr->maxSel, &lprgSysTimeArray[1]);
     MONTHCAL_CopyTime(&infoPtr->minSel, &lprgSysTimeArray[0]);
@@ -1116,18 +1090,17 @@ MONTHCAL_GetSelRange(HWND hwnd, WPARAM w
 
 
 static LRESULT
-MONTHCAL_SetSelRange(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetSelRange(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   SYSTEMTIME *lprgSysTimeArray = (SYSTEMTIME *) lParam;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("%lx\n", lParam);
 
   /* validate parameters */
 
   if((infoPtr==NULL) ||(lprgSysTimeArray==NULL)) return FALSE;
 
-  if(GetWindowLongA( hwnd, GWL_STYLE) & MCS_MULTISELECT)
+  if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & MCS_MULTISELECT)
   {
     MONTHCAL_CopyTime(&lprgSysTimeArray[1], &infoPtr->maxSel);
     MONTHCAL_CopyTime(&lprgSysTimeArray[0], &infoPtr->minSel);
@@ -1140,12 +1113,11 @@ MONTHCAL_SetSelRange(HWND hwnd, WPARAM w
 
 
 static LRESULT
-MONTHCAL_GetToday(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_GetToday(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   SYSTEMTIME *lpToday = (SYSTEMTIME *) lParam;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("%lx\n", lParam);
 
   /* validate parameters */
 
@@ -1156,26 +1128,24 @@ MONTHCAL_GetToday(HWND hwnd, WPARAM wPar
 
 
 static LRESULT
-MONTHCAL_SetToday(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetToday(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   SYSTEMTIME *lpToday = (SYSTEMTIME *) lParam;
 
-  TRACE("%x %lx\n", wParam, lParam);
+  TRACE("%lx\n", lParam);
 
   /* validate parameters */
 
   if((infoPtr==NULL) ||(lpToday==NULL)) return FALSE;
   MONTHCAL_CopyTime(lpToday, &infoPtr->todaysDate);
-  InvalidateRect(hwnd, NULL, FALSE);
+  InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
   return TRUE;
 }
 
 
 static LRESULT
-MONTHCAL_HitTest(HWND hwnd, LPARAM lParam)
+MONTHCAL_HitTest(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   PMCHITTESTINFO lpht = (PMCHITTESTINFO)lParam;
   UINT x,y;
   DWORD retval;
@@ -1291,9 +1261,9 @@ MONTHCAL_HitTest(HWND hwnd, LPARAM lPara
 }
 
 
-static void MONTHCAL_GoToNextMonth(HWND hwnd, MONTHCAL_INFO *infoPtr)
+static void MONTHCAL_GoToNextMonth(MONTHCAL_INFO *infoPtr)
 {
-  DWORD dwStyle = GetWindowLongA(hwnd, GWL_STYLE);
+  DWORD dwStyle = GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE);
 
   TRACE("MONTHCAL_GoToNextMonth\n");
 
@@ -1307,8 +1277,8 @@ static void MONTHCAL_GoToNextMonth(HWND 
     NMDAYSTATE nmds;
     int i;
 
-    nmds.nmhdr.hwndFrom = hwnd;
-    nmds.nmhdr.idFrom   = GetWindowLongPtrW(hwnd, GWLP_ID);
+    nmds.nmhdr.hwndFrom = infoPtr->hwndSelf;
+    nmds.nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
     nmds.nmhdr.code     = MCN_GETDAYSTATE;
     nmds.cDayState	= infoPtr->monthRange;
     nmds.prgDayState	= Alloc(infoPtr->monthRange * sizeof(MONTHDAYSTATE));
@@ -1321,11 +1291,11 @@ static void MONTHCAL_GoToNextMonth(HWND 
 }
 
 
-static void MONTHCAL_GoToPrevMonth(HWND hwnd,  MONTHCAL_INFO *infoPtr)
+static void MONTHCAL_GoToPrevMonth(MONTHCAL_INFO *infoPtr)
 {
-  DWORD dwStyle = GetWindowLongA(hwnd, GWL_STYLE);
+  DWORD dwStyle = GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE);
 
-  TRACE("MONTHCAL_GoToPrevMonth\n");
+  TRACE("\n");
 
   infoPtr->currentMonth--;
   if(infoPtr->currentMonth < 1) {
@@ -1337,8 +1307,8 @@ static void MONTHCAL_GoToPrevMonth(HWND 
     NMDAYSTATE nmds;
     int i;
 
-    nmds.nmhdr.hwndFrom = hwnd;
-    nmds.nmhdr.idFrom   = GetWindowLongPtrW(hwnd, GWLP_ID);
+    nmds.nmhdr.hwndFrom = infoPtr->hwndSelf;
+    nmds.nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
     nmds.nmhdr.code     = MCN_GETDAYSTATE;
     nmds.cDayState	= infoPtr->monthRange;
     nmds.prgDayState	= Alloc
@@ -1352,9 +1322,8 @@ static void MONTHCAL_GoToPrevMonth(HWND 
 }
 
 static LRESULT
-MONTHCAL_RButtonDown(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_RButtonDown(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   HMENU hMenu;
   POINT menupoint;
   char buf[32];
@@ -1368,21 +1337,20 @@ MONTHCAL_RButtonDown(HWND hwnd, WPARAM w
   AppendMenuA(hMenu, MF_STRING|MF_ENABLED,1, buf);
   menupoint.x=(INT)LOWORD(lParam);
   menupoint.y=(INT)HIWORD(lParam);
-  ClientToScreen(hwnd, &menupoint);
+  ClientToScreen(infoPtr->hwndSelf, &menupoint);
   if( TrackPopupMenu(hMenu,TPM_RIGHTBUTTON| TPM_NONOTIFY|TPM_RETURNCMD,
-		     menupoint.x,menupoint.y,0,hwnd,NULL))
+		     menupoint.x, menupoint.y, 0, infoPtr->hwndSelf, NULL))
     {
       infoPtr->currentMonth=infoPtr->todaysDate.wMonth;
       infoPtr->currentYear=infoPtr->todaysDate.wYear;
-      InvalidateRect(hwnd, NULL, FALSE);
+      InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
     }
   return 0;
 }
 
 static LRESULT
-MONTHCAL_LButtonDown(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_LButtonDown(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   MCHITTESTINFO ht;
   DWORD hit;
   HMENU hMenu;
@@ -1390,7 +1358,8 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
   char buf[32];
   int i;
   POINT menupoint;
-  TRACE("%x %lx\n", wParam, lParam);
+
+  TRACE("%lx\n", lParam);
 
   if (infoPtr->hWndYearUpDown)
     {
@@ -1407,28 +1376,28 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
 	}
       else
 	infoPtr->hWndYearEdit=0;
-      InvalidateRect(hwnd, NULL, FALSE);
+      InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
     }
 
   ht.pt.x = (INT)LOWORD(lParam);
   ht.pt.y = (INT)HIWORD(lParam);
-  hit = MONTHCAL_HitTest(hwnd, (LPARAM)&ht);
+  hit = MONTHCAL_HitTest(infoPtr, (LPARAM)&ht);
 
   /* FIXME: these flags should be checked by */
   /*((hit & MCHT_XXX) == MCHT_XXX) b/c some of the flags are */
   /* multi-bit */
   if(hit ==MCHT_TITLEBTNNEXT) {
-    MONTHCAL_GoToNextMonth(hwnd, infoPtr);
+    MONTHCAL_GoToNextMonth(infoPtr);
     infoPtr->status = MC_NEXTPRESSED;
-    SetTimer(hwnd, MC_NEXTMONTHTIMER, MC_NEXTMONTHDELAY, 0);
-    InvalidateRect(hwnd, NULL, FALSE);
+    SetTimer(infoPtr->hwndSelf, MC_NEXTMONTHTIMER, MC_NEXTMONTHDELAY, 0);
+    InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
     return TRUE;
   }
   if(hit == MCHT_TITLEBTNPREV){
-    MONTHCAL_GoToPrevMonth(hwnd, infoPtr);
+    MONTHCAL_GoToPrevMonth(infoPtr);
     infoPtr->status = MC_PREVPRESSED;
-    SetTimer(hwnd, MC_PREVMONTHTIMER, MC_NEXTMONTHDELAY, 0);
-    InvalidateRect(hwnd, NULL, FALSE);
+    SetTimer(infoPtr->hwndSelf, MC_PREVMONTHTIMER, MC_NEXTMONTHDELAY, 0);
+    InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
     return TRUE;
   }
 
@@ -1443,13 +1412,13 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
       }
     menupoint.x=infoPtr->titlemonth.right;
     menupoint.y=infoPtr->titlemonth.bottom;
-    ClientToScreen(hwnd, &menupoint);
+    ClientToScreen(infoPtr->hwndSelf, &menupoint);
     i= TrackPopupMenu(hMenu,TPM_LEFTALIGN | TPM_NONOTIFY | TPM_RIGHTBUTTON | TPM_RETURNCMD,
-		      menupoint.x,menupoint.y,0,hwnd,NULL);
+		      menupoint.x, menupoint.y, 0, infoPtr->hwndSelf, NULL);
     if ((i>0) && (i<13))
       {
 	infoPtr->currentMonth=i;
-	InvalidateRect(hwnd, NULL, FALSE);
+	InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
       }
   }
   if(hit == MCHT_TITLEYEAR) {
@@ -1460,7 +1429,7 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
 			 infoPtr->titleyear.left+3,infoPtr->titlebtnnext.top,
 			 infoPtr->titleyear.right-infoPtr->titleyear.left,
 			 infoPtr->textHeight,
-			 hwnd,
+			 infoPtr->hwndSelf,
 			 NULL,
 			 NULL,
 			 NULL);
@@ -1471,7 +1440,7 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
 			 infoPtr->titleyear.right+6,infoPtr->titlebtnnext.top,
 			 20,
 			 infoPtr->textHeight,
-			 hwnd,
+			 infoPtr->hwndSelf,
 			 NULL,
 			 NULL,
 			 NULL);
@@ -1484,7 +1453,7 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
   if(hit == MCHT_TODAYLINK) {
     infoPtr->currentMonth=infoPtr->todaysDate.wMonth;
     infoPtr->currentYear=infoPtr->todaysDate.wYear;
-    InvalidateRect(hwnd, NULL, FALSE);
+    InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
     return TRUE;
   }
   if(hit == MCHT_CALENDARDATE) {
@@ -1493,11 +1462,11 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
 
     MONTHCAL_CopyTime(&ht.st, &selArray[0]);
     MONTHCAL_CopyTime(&ht.st, &selArray[1]);
-    MONTHCAL_SetSelRange(hwnd,0,(LPARAM) &selArray);
-    MONTHCAL_SetCurSel(hwnd,0,(LPARAM) &selArray);
+    MONTHCAL_SetSelRange(infoPtr, (LPARAM)&selArray);
+    MONTHCAL_SetCurSel(infoPtr, (LPARAM)&selArray);
     TRACE("MCHT_CALENDARDATE\n");
-    nmsc.nmhdr.hwndFrom = hwnd;
-    nmsc.nmhdr.idFrom   = GetWindowLongPtrW(hwnd, GWLP_ID);
+    nmsc.nmhdr.hwndFrom = infoPtr->hwndSelf;
+    nmsc.nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
     nmsc.nmhdr.code     = MCN_SELCHANGE;
     MONTHCAL_CopyTime(&infoPtr->minSel,&nmsc.stSelStart);
     MONTHCAL_CopyTime(&infoPtr->maxSel,&nmsc.stSelEnd);
@@ -1509,10 +1478,10 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
     /* redraw both old and new days if the selected day changed */
     if(infoPtr->curSelDay != ht.st.wDay) {
       MONTHCAL_CalcPosFromDay(infoPtr, ht.st.wDay, ht.st.wMonth, &rcDay);
-      InvalidateRect(hwnd, &rcDay, TRUE);
+      InvalidateRect(infoPtr->hwndSelf, &rcDay, TRUE);
 
       MONTHCAL_CalcPosFromDay(infoPtr, infoPtr->curSelDay, infoPtr->currentMonth, &rcDay);
-      InvalidateRect(hwnd, &rcDay, TRUE);
+      InvalidateRect(infoPtr->hwndSelf, &rcDay, TRUE);
     }
 
     infoPtr->firstSelDay = ht.st.wDay;
@@ -1526,9 +1495,8 @@ MONTHCAL_LButtonDown(HWND hwnd, WPARAM w
 
 
 static LRESULT
-MONTHCAL_LButtonUp(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_LButtonUp(MONTHCAL_INFO *infoPtr, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   NMSELCHANGE nmsc;
   NMHDR nmhdr;
   BOOL redraw = FALSE;
@@ -1538,46 +1506,46 @@ MONTHCAL_LButtonUp(HWND hwnd, WPARAM wPa
   TRACE("\n");
 
   if(infoPtr->status & MC_NEXTPRESSED) {
-    KillTimer(hwnd, MC_NEXTMONTHTIMER);
+    KillTimer(infoPtr->hwndSelf, MC_NEXTMONTHTIMER);
     infoPtr->status &= ~MC_NEXTPRESSED;
     redraw = TRUE;
   }
   if(infoPtr->status & MC_PREVPRESSED) {
-    KillTimer(hwnd, MC_PREVMONTHTIMER);
+    KillTimer(infoPtr->hwndSelf, MC_PREVMONTHTIMER);
     infoPtr->status &= ~MC_PREVPRESSED;
     redraw = TRUE;
   }
 
   ht.pt.x = (INT)LOWORD(lParam);
   ht.pt.y = (INT)HIWORD(lParam);
-  hit = MONTHCAL_HitTest(hwnd, (LPARAM)&ht);
+  hit = MONTHCAL_HitTest(infoPtr, (LPARAM)&ht);
 
   infoPtr->status = MC_SEL_LBUTUP;
 
   if(hit ==MCHT_CALENDARDATENEXT) {
-    MONTHCAL_GoToNextMonth(hwnd, infoPtr);
-    InvalidateRect(hwnd, NULL, FALSE);
+    MONTHCAL_GoToNextMonth(infoPtr);
+    InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
     return TRUE;
   }
   if(hit == MCHT_CALENDARDATEPREV){
-    MONTHCAL_GoToPrevMonth(hwnd, infoPtr);
-    InvalidateRect(hwnd, NULL, FALSE);
+    MONTHCAL_GoToPrevMonth(infoPtr);
+    InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
     return TRUE;
   }
-  nmhdr.hwndFrom = hwnd;
-  nmhdr.idFrom   = GetWindowLongPtrW( hwnd, GWLP_ID);
+  nmhdr.hwndFrom = infoPtr->hwndSelf;
+  nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
   nmhdr.code     = NM_RELEASEDCAPTURE;
-  TRACE("Sent notification from %p to %p\n", hwnd, infoPtr->hwndNotify);
+  TRACE("Sent notification from %p to %p\n", infoPtr->hwndSelf, infoPtr->hwndNotify);
 
   SendMessageA(infoPtr->hwndNotify, WM_NOTIFY,
                                 (WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
   /* redraw if necessary */
   if(redraw)
-    InvalidateRect(hwnd, NULL, FALSE);
+    InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
   /* only send MCN_SELECT if currently displayed month's day was selected */
   if(hit == MCHT_CALENDARDATE) {
-    nmsc.nmhdr.hwndFrom = hwnd;
-    nmsc.nmhdr.idFrom   = GetWindowLongPtrW(hwnd, GWLP_ID);
+    nmsc.nmhdr.hwndFrom = infoPtr->hwndSelf;
+    nmsc.nmhdr.idFrom   = GetWindowLongPtrW(infoPtr->hwndSelf, GWLP_ID);
     nmsc.nmhdr.code     = MCN_SELECT;
     MONTHCAL_CopyTime(&infoPtr->minSel, &nmsc.stSelStart);
     MONTHCAL_CopyTime(&infoPtr->maxSel, &nmsc.stSelEnd);
@@ -1591,39 +1559,37 @@ MONTHCAL_LButtonUp(HWND hwnd, WPARAM wPa
 
 
 static LRESULT
-MONTHCAL_Timer(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_Timer(MONTHCAL_INFO *infoPtr, WPARAM wParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   BOOL redraw = FALSE;
 
-  TRACE(" %d\n", wParam);
-  if(!infoPtr) return 0;
+  TRACE("%d\n", wParam);
 
   switch(wParam) {
   case MC_NEXTMONTHTIMER:
     redraw = TRUE;
-    MONTHCAL_GoToNextMonth(hwnd, infoPtr);
+    MONTHCAL_GoToNextMonth(infoPtr);
     break;
   case MC_PREVMONTHTIMER:
     redraw = TRUE;
-    MONTHCAL_GoToPrevMonth(hwnd, infoPtr);
+    MONTHCAL_GoToPrevMonth(infoPtr);
     break;
   default:
     ERR("got unknown timer\n");
+    break;
   }
 
   /* redraw only if necessary */
   if(redraw)
-    InvalidateRect(hwnd, NULL, FALSE);
+    InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
 
   return 0;
 }
 
 
 static LRESULT
-MONTHCAL_MouseMove(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_MouseMove(MONTHCAL_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
   MCHITTESTINFO ht;
   int oldselday, selday, hit;
   RECT r;
@@ -1633,7 +1599,7 @@ MONTHCAL_MouseMove(HWND hwnd, WPARAM wPa
   ht.pt.x = LOWORD(lParam);
   ht.pt.y = HIWORD(lParam);
 
-  hit = MONTHCAL_HitTest(hwnd, (LPARAM)&ht);
+  hit = MONTHCAL_HitTest(infoPtr, (LPARAM)&ht);
 
   /* not on the calendar date numbers? bail out */
   TRACE("hit:%x\n",hit);
@@ -1644,11 +1610,11 @@ MONTHCAL_MouseMove(HWND hwnd, WPARAM wPa
   infoPtr->curSelDay = selday;
   MONTHCAL_CalcPosFromDay(infoPtr, selday, ht.st. wMonth, &r);
 
-  if(GetWindowLongA(hwnd, GWL_STYLE) & MCS_MULTISELECT)  {
+  if(GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE) & MCS_MULTISELECT)  {
     SYSTEMTIME selArray[2];
     int i;
 
-    MONTHCAL_GetSelRange(hwnd, 0, (LPARAM)&selArray);
+    MONTHCAL_GetSelRange(infoPtr, (LPARAM)&selArray);
     i = 0;
     if(infoPtr->firstSelDay==selArray[0].wDay) i=1;
     TRACE("oldRange:%d %d %d %d\n", infoPtr->firstSelDay, selArray[0].wDay, selArray[1].wDay, i);
@@ -1678,7 +1644,7 @@ MONTHCAL_MouseMove(HWND hwnd, WPARAM wPa
         selArray[0].wDay = tempday;
       }
 
-      MONTHCAL_SetSelRange(hwnd, 0, (LPARAM)&selArray);
+      MONTHCAL_SetSelRange(infoPtr, (LPARAM)&selArray);
     }
   }
 
@@ -1688,58 +1654,57 @@ done:
   /* FIXME: this should specify a rectangle containing only the days that changed */
   /* using InvalidateRect */
   if(oldselday != infoPtr->curSelDay)
-    InvalidateRect(hwnd, NULL, FALSE);
+    InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
 
   return 0;
 }
 
 
 static LRESULT
-MONTHCAL_Paint(HWND hwnd, WPARAM wParam)
+MONTHCAL_Paint(MONTHCAL_INFO *infoPtr, WPARAM wParam)
 {
   HDC hdc;
   PAINTSTRUCT ps;
 
   if (wParam)
   {
-    GetClientRect(hwnd, &ps.rcPaint);
+    GetClientRect(infoPtr->hwndSelf, &ps.rcPaint);
     hdc = (HDC)wParam;
   }
   else
-    hdc = BeginPaint(hwnd, &ps);
+    hdc = BeginPaint(infoPtr->hwndSelf, &ps);
 
-  MONTHCAL_Refresh(hwnd, hdc, &ps);
-  if(!wParam) EndPaint(hwnd, &ps);
+  MONTHCAL_Refresh(infoPtr, hdc, &ps);
+  if (!wParam) EndPaint(infoPtr->hwndSelf, &ps);
   return 0;
 }
 
 
 static LRESULT
-MONTHCAL_KillFocus(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_KillFocus(MONTHCAL_INFO *infoPtr)
 {
   TRACE("\n");
 
-  InvalidateRect(hwnd, NULL, TRUE);
+  InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 
   return 0;
 }
 
 
 static LRESULT
-MONTHCAL_SetFocus(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_SetFocus(MONTHCAL_INFO *infoPtr)
 {
   TRACE("\n");
 
-  InvalidateRect(hwnd, NULL, FALSE);
+  InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
 
   return 0;
 }
 
 /* sets the size information */
-static void MONTHCAL_UpdateSize(HWND hwnd)
+static void MONTHCAL_UpdateSize(MONTHCAL_INFO *infoPtr)
 {
-  HDC hdc = GetDC(hwnd);
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
+  HDC hdc = GetDC(infoPtr->hwndSelf);
   RECT *title=&infoPtr->title;
   RECT *prev=&infoPtr->titlebtnprev;
   RECT *next=&infoPtr->titlebtnnext;
@@ -1751,12 +1716,12 @@ static void MONTHCAL_UpdateSize(HWND hwn
   RECT *todayrect=&infoPtr->todayrect;
   SIZE size;
   TEXTMETRICA tm;
-  DWORD dwStyle = GetWindowLongA(hwnd, GWL_STYLE);
+  DWORD dwStyle = GetWindowLongW(infoPtr->hwndSelf, GWL_STYLE);
   HFONT currentFont;
   int xdiv, left_offset;
   RECT rcClient;
 
-  GetClientRect(hwnd, &rcClient);
+  GetClientRect(infoPtr->hwndSelf, &rcClient);
 
   currentFont = SelectObject(hdc, infoPtr->hFont);
 
@@ -1827,27 +1792,51 @@ static void MONTHCAL_UpdateSize(HWND hwn
   /* restore the originally selected font */
   SelectObject(hdc, currentFont);
 
-  ReleaseDC(hwnd, hdc);
+  ReleaseDC(infoPtr->hwndSelf, hdc);
 }
 
-static LRESULT MONTHCAL_Size(HWND hwnd, int Width, int Height)
+static LRESULT MONTHCAL_Size(MONTHCAL_INFO *infoPtr, int Width, int Height)
 {
-  TRACE("(hwnd=%p, width=%d, height=%d)\n", hwnd, Width, Height);
+  TRACE("(width=%d, height=%d)\n", Width, Height);
 
-  MONTHCAL_UpdateSize(hwnd);
+  MONTHCAL_UpdateSize(infoPtr);
 
   /* invalidate client area and erase background */
-  InvalidateRect(hwnd, NULL, TRUE);
+  InvalidateRect(infoPtr->hwndSelf, NULL, TRUE);
 
   return 0;
 }
 
+static LRESULT MONTHCAL_GetFont(MONTHCAL_INFO *infoPtr)
+{
+    return (LRESULT)infoPtr->hFont;
+}
+
+static LRESULT MONTHCAL_SetFont(MONTHCAL_INFO *infoPtr, HFONT hFont, BOOL redraw)
+{
+    HFONT hOldFont;
+    LOGFONTW lf;
+
+    if (!hFont) return 0;
+
+    hOldFont = infoPtr->hFont;
+    infoPtr->hFont = hFont;
+
+    GetObjectW(infoPtr->hFont, sizeof(lf), &lf);
+    lf.lfWeight = FW_BOLD;
+    infoPtr->hBoldFont = CreateFontIndirectW(&lf);
+
+    if (redraw)
+        InvalidateRect(infoPtr->hwndSelf, NULL, FALSE);
+
+    return (LRESULT)hOldFont;
+}
+
 /* FIXME: check whether dateMin/dateMax need to be adjusted. */
 static LRESULT
 MONTHCAL_Create(HWND hwnd, WPARAM wParam, LPARAM lParam)
 {
   MONTHCAL_INFO *infoPtr;
-  LOGFONTA	logFont;
 
   /* allocate memory for info structure */
   infoPtr =(MONTHCAL_INFO*)Alloc(sizeof(MONTHCAL_INFO));
@@ -1861,16 +1850,13 @@ MONTHCAL_Create(HWND hwnd, WPARAM wParam
   infoPtr->hwndSelf = hwnd;
   infoPtr->hwndNotify = ((LPCREATESTRUCTW)lParam)->hwndParent;
 
-  infoPtr->hFont = GetStockObject(DEFAULT_GUI_FONT);
-  GetObjectA(infoPtr->hFont, sizeof(LOGFONTA), &logFont);
-  logFont.lfWeight = FW_BOLD;
-  infoPtr->hBoldFont = CreateFontIndirectA(&logFont);
+  MONTHCAL_SetFont(infoPtr, GetStockObject(DEFAULT_GUI_FONT), FALSE);
 
   /* initialize info structure */
   /* FIXME: calculate systemtime ->> localtime(substract timezoneinfo) */
 
   GetSystemTime(&infoPtr->todaysDate);
-  MONTHCAL_SetFirstDayOfWeek(hwnd,0,(LPARAM)-1);
+  MONTHCAL_SetFirstDayOfWeek(infoPtr, (LPARAM)-1);
   infoPtr->currentMonth = infoPtr->todaysDate.wMonth;
   infoPtr->currentYear = infoPtr->todaysDate.wYear;
   MONTHCAL_CopyTime(&infoPtr->todaysDate, &infoPtr->minDate);
@@ -1890,22 +1876,20 @@ MONTHCAL_Create(HWND hwnd, WPARAM wParam
 
   /* call MONTHCAL_UpdateSize to set all of the dimensions */
   /* of the control */
-  MONTHCAL_UpdateSize(hwnd);
+  MONTHCAL_UpdateSize(infoPtr);
 
   return 0;
 }
 
 
 static LRESULT
-MONTHCAL_Destroy(HWND hwnd, WPARAM wParam, LPARAM lParam)
+MONTHCAL_Destroy(MONTHCAL_INFO *infoPtr)
 {
-  MONTHCAL_INFO *infoPtr = MONTHCAL_GetInfoPtr(hwnd);
-
   /* free month calendar info data */
   if(infoPtr->monthdayState)
       Free(infoPtr->monthdayState);
+  SetWindowLongPtrW(infoPtr->hwndSelf, 0, 0);
   Free(infoPtr);
-  SetWindowLongPtrW(hwnd, 0, 0);
   return 0;
 }
 
@@ -1913,109 +1897,119 @@ MONTHCAL_Destroy(HWND hwnd, WPARAM wPara
 static LRESULT WINAPI
 MONTHCAL_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 {
+  MONTHCAL_INFO *infoPtr;
+
   TRACE("hwnd=%p msg=%x wparam=%x lparam=%lx\n", hwnd, uMsg, wParam, lParam);
-  if (!MONTHCAL_GetInfoPtr(hwnd) && (uMsg != WM_CREATE))
+
+  infoPtr = MONTHCAL_GetInfoPtr(hwnd);
+  if (!infoPtr && (uMsg != WM_CREATE))
     return DefWindowProcA(hwnd, uMsg, wParam, lParam);
   switch(uMsg)
   {
   case MCM_GETCURSEL:
-    return MONTHCAL_GetCurSel(hwnd, wParam, lParam);
+    return MONTHCAL_GetCurSel(infoPtr, lParam);
 
   case MCM_SETCURSEL:
-    return MONTHCAL_SetCurSel(hwnd, wParam, lParam);
+    return MONTHCAL_SetCurSel(infoPtr, lParam);
 
   case MCM_GETMAXSELCOUNT:
-    return MONTHCAL_GetMaxSelCount(hwnd, wParam, lParam);
+    return MONTHCAL_GetMaxSelCount(infoPtr);
 
   case MCM_SETMAXSELCOUNT:
-    return MONTHCAL_SetMaxSelCount(hwnd, wParam, lParam);
+    return MONTHCAL_SetMaxSelCount(infoPtr, wParam);
 
   case MCM_GETSELRANGE:
-    return MONTHCAL_GetSelRange(hwnd, wParam, lParam);
+    return MONTHCAL_GetSelRange(infoPtr, lParam);
 
   case MCM_SETSELRANGE:
-    return MONTHCAL_SetSelRange(hwnd, wParam, lParam);
+    return MONTHCAL_SetSelRange(infoPtr, lParam);
 
   case MCM_GETMONTHRANGE:
-    return MONTHCAL_GetMonthRange(hwnd, wParam, lParam);
+    return MONTHCAL_GetMonthRange(infoPtr);
 
   case MCM_SETDAYSTATE:
-    return MONTHCAL_SetDayState(hwnd, wParam, lParam);
+    return MONTHCAL_SetDayState(infoPtr, wParam, lParam);
 
   case MCM_GETMINREQRECT:
-    return MONTHCAL_GetMinReqRect(hwnd, wParam, lParam);
+    return MONTHCAL_GetMinReqRect(infoPtr, lParam);
 
   case MCM_GETCOLOR:
-    return MONTHCAL_GetColor(hwnd, wParam, lParam);
+    return MONTHCAL_GetColor(infoPtr, wParam);
 
   case MCM_SETCOLOR:
-    return MONTHCAL_SetColor(hwnd, wParam, lParam);
+    return MONTHCAL_SetColor(infoPtr, wParam, lParam);
 
   case MCM_GETTODAY:
-    return MONTHCAL_GetToday(hwnd, wParam, lParam);
+    return MONTHCAL_GetToday(infoPtr, lParam);
 
   case MCM_SETTODAY:
-    return MONTHCAL_SetToday(hwnd, wParam, lParam);
+    return MONTHCAL_SetToday(infoPtr, lParam);
 
   case MCM_HITTEST:
-    return MONTHCAL_HitTest(hwnd,lParam);
+    return MONTHCAL_HitTest(infoPtr, lParam);
 
   case MCM_GETFIRSTDAYOFWEEK:
-    return MONTHCAL_GetFirstDayOfWeek(hwnd, wParam, lParam);
+    return MONTHCAL_GetFirstDayOfWeek(infoPtr);
 
   case MCM_SETFIRSTDAYOFWEEK:
-    return MONTHCAL_SetFirstDayOfWeek(hwnd, wParam, lParam);
+    return MONTHCAL_SetFirstDayOfWeek(infoPtr, lParam);
 
   case MCM_GETRANGE:
     return MONTHCAL_GetRange(hwnd, wParam, lParam);
 
   case MCM_SETRANGE:
-    return MONTHCAL_SetRange(hwnd, wParam, lParam);
+    return MONTHCAL_SetRange(infoPtr, wParam, lParam);
 
   case MCM_GETMONTHDELTA:
-    return MONTHCAL_GetMonthDelta(hwnd, wParam, lParam);
+    return MONTHCAL_GetMonthDelta(infoPtr);
 
   case MCM_SETMONTHDELTA:
-    return MONTHCAL_SetMonthDelta(hwnd, wParam, lParam);
+    return MONTHCAL_SetMonthDelta(infoPtr, wParam);
 
   case MCM_GETMAXTODAYWIDTH:
-    return MONTHCAL_GetMaxTodayWidth(hwnd);
+    return MONTHCAL_GetMaxTodayWidth(infoPtr);
 
   case WM_GETDLGCODE:
     return DLGC_WANTARROWS | DLGC_WANTCHARS;
 
   case WM_KILLFOCUS:
-    return MONTHCAL_KillFocus(hwnd, wParam, lParam);
+    return MONTHCAL_KillFocus(infoPtr);
 
   case WM_RBUTTONDOWN:
-    return MONTHCAL_RButtonDown(hwnd, wParam, lParam);
+    return MONTHCAL_RButtonDown(infoPtr, lParam);
 
   case WM_LBUTTONDOWN:
-    return MONTHCAL_LButtonDown(hwnd, wParam, lParam);
+    return MONTHCAL_LButtonDown(infoPtr, lParam);
 
   case WM_MOUSEMOVE:
-    return MONTHCAL_MouseMove(hwnd, wParam, lParam);
+    return MONTHCAL_MouseMove(infoPtr, wParam, lParam);
 
   case WM_LBUTTONUP:
-    return MONTHCAL_LButtonUp(hwnd, wParam, lParam);
+    return MONTHCAL_LButtonUp(infoPtr, lParam);
 
   case WM_PAINT:
-    return MONTHCAL_Paint(hwnd, wParam);
+    return MONTHCAL_Paint(infoPtr, wParam);
 
   case WM_SETFOCUS:
-    return MONTHCAL_SetFocus(hwnd, wParam, lParam);
+    return MONTHCAL_SetFocus(infoPtr);
 
   case WM_SIZE:
-    return MONTHCAL_Size(hwnd, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
+    return MONTHCAL_Size(infoPtr, (SHORT)LOWORD(lParam), (SHORT)HIWORD(lParam));
 
   case WM_CREATE:
     return MONTHCAL_Create(hwnd, wParam, lParam);
 
+  case WM_SETFONT:
+    return MONTHCAL_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
+
+  case WM_GETFONT:
+    return MONTHCAL_GetFont(infoPtr);
+
   case WM_TIMER:
-    return MONTHCAL_Timer(hwnd, wParam, lParam);
+    return MONTHCAL_Timer(infoPtr, wParam);
 
   case WM_DESTROY:
-    return MONTHCAL_Destroy(hwnd, wParam, lParam);
+    return MONTHCAL_Destroy(infoPtr);
 
   default:
     if ((uMsg >= WM_USER) && (uMsg < WM_APP))






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