[2/3] comctl32/trackbar: Cache window style

Nikolay Sivov bunglehead at gmail.com
Wed Sep 2 07:22:35 CDT 2009


Changelog:
    - Cache window style

>From 963412aef3b3c64bcfca5e0820b9772bccb202bd Mon Sep 17 00:00:00 2001
From: Nikolay Sivov <bunglehead at gmail.com>
Date: Wed, 2 Sep 2009 16:02:59 +0400
Subject: Cache window style

---
 dlls/comctl32/trackbar.c |  114 +++++++++++++++++++++++----------------------
 1 files changed, 58 insertions(+), 56 deletions(-)

diff --git a/dlls/comctl32/trackbar.c b/dlls/comctl32/trackbar.c
index 3e991ff..f9654ce 100644
--- a/dlls/comctl32/trackbar.c
+++ b/dlls/comctl32/trackbar.c
@@ -52,6 +52,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(trackbar);
 typedef struct
 {
     HWND hwndSelf;
+    DWORD dwStyle;
     LONG lRangeMin;
     LONG lRangeMax;
     LONG lLineSize;
@@ -137,7 +138,7 @@ static inline int notify (const TRACKBAR_INFO *infoPtr, INT code)
 static BOOL
 notify_with_scroll (const TRACKBAR_INFO *infoPtr, UINT code)
 {
-    BOOL bVert = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_VERT;
+    BOOL bVert = infoPtr->dwStyle & TBS_VERT;
 
     TRACE("%x\n", code);
 
@@ -213,10 +214,9 @@ TRACKBAR_ConvertPlaceToPosition (const TRACKBAR_INFO *infoPtr, int place, int ve
 static LONG
 TRACKBAR_GetAutoPageDirection (const TRACKBAR_INFO *infoPtr, POINT clickPoint)
 {
-    DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
     RECT pageRect;
 
-    if (dwStyle & TBS_VERT) {
+    if (infoPtr->dwStyle & TBS_VERT) {
 	pageRect.top = infoPtr->rcChannel.top;
 	pageRect.bottom = infoPtr->rcChannel.bottom;
 	pageRect.left = infoPtr->rcThumb.left;
@@ -231,10 +231,10 @@ TRACKBAR_GetAutoPageDirection (const TRACKBAR_INFO *infoPtr, POINT clickPoint)
 
     if (PtInRect(&pageRect, clickPoint))
     {
-	int clickPlace = (dwStyle & TBS_VERT) ? clickPoint.y : clickPoint.x;
+	int clickPlace = (infoPtr->dwStyle & TBS_VERT) ? clickPoint.y : clickPoint.x;
 
         LONG clickPos = TRACKBAR_ConvertPlaceToPosition(infoPtr, clickPlace,
-                                                        dwStyle & TBS_VERT);
+                                                        infoPtr->dwStyle & TBS_VERT);
 	return clickPos - infoPtr->lPos;
     }
 
@@ -285,7 +285,6 @@ static inline void TRACKBAR_LineDown(TRACKBAR_INFO *infoPtr)
 static void
 TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
 {
-    DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
     INT cyChannel, offsetthumb, offsetedge;
     RECT lpRect, *channel = & infoPtr->rcChannel;
 
@@ -293,22 +292,22 @@ TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
 
     offsetthumb = infoPtr->uThumbLen / 4;
     offsetedge  = offsetthumb + 3;
-    cyChannel   = (dwStyle & TBS_ENABLESELRANGE) ? offsetthumb*3 : 4;
-    if (dwStyle & TBS_VERT) {
+    cyChannel   = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? offsetthumb*3 : 4;
+    if (infoPtr->dwStyle & TBS_VERT) {
         channel->top    = lpRect.top + offsetedge;
         channel->bottom = lpRect.bottom - offsetedge;
-        if (dwStyle & TBS_ENABLESELRANGE)
+        if (infoPtr->dwStyle & TBS_ENABLESELRANGE)
             channel->left = lpRect.left + ((infoPtr->uThumbLen - cyChannel + 2) / 2);
         else
             channel->left = lpRect.left + (infoPtr->uThumbLen / 2) - 1;
-        if (dwStyle & TBS_BOTH) {
-            if (dwStyle & TBS_NOTICKS)
+        if (infoPtr->dwStyle & TBS_BOTH) {
+            if (infoPtr->dwStyle & TBS_NOTICKS)
                 channel->left += 1;
             else
                 channel->left += 9;
         }
-        else if (dwStyle & TBS_TOP) {
-            if (dwStyle & TBS_NOTICKS)
+        else if (infoPtr->dwStyle & TBS_TOP) {
+            if (infoPtr->dwStyle & TBS_NOTICKS)
                 channel->left += 2;
             else
                 channel->left += 10;
@@ -317,18 +316,18 @@ TRACKBAR_CalcChannel (TRACKBAR_INFO *infoPtr)
     } else {
         channel->left = lpRect.left + offsetedge;
         channel->right = lpRect.right - offsetedge;
-        if (dwStyle & TBS_ENABLESELRANGE)
+        if (infoPtr->dwStyle & TBS_ENABLESELRANGE)
             channel->top = lpRect.top + ((infoPtr->uThumbLen - cyChannel + 2) / 2);
         else
             channel->top = lpRect.top + (infoPtr->uThumbLen / 2) - 1;
-        if (dwStyle & TBS_BOTH) {
-            if (dwStyle & TBS_NOTICKS)
+        if (infoPtr->dwStyle & TBS_BOTH) {
+            if (infoPtr->dwStyle & TBS_NOTICKS)
                 channel->top += 1;
             else
                 channel->top += 9;
         }
-        else if (dwStyle & TBS_TOP) {
-            if (dwStyle & TBS_NOTICKS)
+        else if (infoPtr->dwStyle & TBS_TOP) {
+            if (infoPtr->dwStyle & TBS_NOTICKS)
                 channel->top += 2;
             else
                 channel->top += 10;
@@ -341,7 +340,6 @@ static void
 TRACKBAR_CalcThumb (const TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
 {
     int range, width, height, thumbwidth;
-    DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
     RECT lpRect;
 
     range = infoPtr->lRangeMax - infoPtr->lRangeMin;
@@ -350,11 +348,11 @@ TRACKBAR_CalcThumb (const TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
     if (!range) range = 1;
 
     GetClientRect(infoPtr->hwndSelf, &lpRect);
-    if (dwStyle & TBS_VERT)
+    if (infoPtr->dwStyle & TBS_VERT)
     {
     	height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - thumbwidth;
 
-        if ((dwStyle & (TBS_BOTH | TBS_LEFT)) && !(dwStyle & TBS_NOTICKS))
+        if ((infoPtr->dwStyle & (TBS_BOTH | TBS_LEFT)) && !(infoPtr->dwStyle & TBS_NOTICKS))
             thumb->left = 10;
         else
             thumb->left = 2;
@@ -370,7 +368,7 @@ TRACKBAR_CalcThumb (const TRACKBAR_INFO *infoPtr, LONG lPos, RECT *thumb)
         thumb->left = infoPtr->rcChannel.left +
                       (width*(lPos - infoPtr->lRangeMin))/range;
         thumb->right = thumb->left + thumbwidth;
-        if ((dwStyle & (TBS_BOTH | TBS_TOP)) && !(dwStyle & TBS_NOTICKS))
+        if ((infoPtr->dwStyle & (TBS_BOTH | TBS_TOP)) && !(infoPtr->dwStyle & TBS_NOTICKS))
             thumb->top = 10;
         else
             thumb->top = 2;
@@ -424,7 +422,7 @@ TRACKBAR_CalcSelection (TRACKBAR_INFO *infoPtr)
     if (range <= 0) {
         SetRectEmpty (selection);
     } else {
-        if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_VERT) {
+        if (infoPtr->dwStyle & TBS_VERT) {
             offsetthumb = (infoPtr->rcThumb.bottom - infoPtr->rcThumb.top)/2;
             height = infoPtr->rcChannel.bottom - infoPtr->rcChannel.top - offsetthumb*2;
             selection->top    = infoPtr->rcChannel.top + offsetthumb +
@@ -479,7 +477,7 @@ TRACKBAR_DrawChannel (const TRACKBAR_INFO *infoPtr, HDC hdc, DWORD dwStyle)
     if (theme)
     {
         DrawThemeBackground (theme, hdc, 
-            (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_VERT) ? 
+            (infoPtr->dwStyle & TBS_VERT) ? 
                 TKP_TRACKVERT : TKP_TRACK, TKS_NORMAL, &rcChannel, 0);
     }
     else
@@ -778,7 +776,6 @@ TRACKBAR_ActivateToolTip (const TRACKBAR_INFO *infoPtr, BOOL fShow)
 static void
 TRACKBAR_UpdateToolTip (const TRACKBAR_INFO *infoPtr)
 {
-    DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
     WCHAR buf[80];
     static const WCHAR fmt[] = { '%', 'l', 'd', 0 };
     TTTOOLINFOW ti;
@@ -799,7 +796,7 @@ TRACKBAR_UpdateToolTip (const TRACKBAR_INFO *infoPtr)
 
     GetClientRect (infoPtr->hwndSelf, &rcClient);
     size = SendMessageW (infoPtr->hwndToolTip, TTM_GETBUBBLESIZE, 0, (LPARAM)&ti);
-    if (dwStyle & TBS_VERT) {
+    if (infoPtr->dwStyle & TBS_VERT) {
 	if (infoPtr->fLocation == TBTS_LEFT)
 	    pt.x = 0 - LOWORD(size) - TOOLTIP_OFFSET;
 	else
@@ -822,7 +819,6 @@ TRACKBAR_UpdateToolTip (const TRACKBAR_INFO *infoPtr)
 static void
 TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
 {
-    DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
     RECT rcClient;
     HDC hdc;
     HBITMAP hOldBmp = 0, hOffScreenBmp = 0;
@@ -889,14 +885,14 @@ TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
 	icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
     } else icdrf = CDRF_DODEFAULT;
     if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
-	TRACKBAR_DrawChannel (infoPtr, hdc, dwStyle);
+	TRACKBAR_DrawChannel (infoPtr, hdc, infoPtr->dwStyle);
 	if (icdrf & CDRF_NOTIFYPOSTPAINT)
 	    notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
     }
 

     /* draw tics */
-    if (!(dwStyle & TBS_NOTICKS)) {
+    if (!(infoPtr->dwStyle & TBS_NOTICKS)) {
     	if (gcdrf & CDRF_NOTIFYITEMDRAW) {
             nmcd.dwItemSpec = TBCD_TICS;
 	    nmcd.uItemState = CDIS_DEFAULT;
@@ -904,14 +900,14 @@ TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
 	    icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
         } else icdrf = CDRF_DODEFAULT;
 	if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
-	    TRACKBAR_DrawTics (infoPtr, hdc, dwStyle);
+	    TRACKBAR_DrawTics (infoPtr, hdc, infoPtr->dwStyle);
 	    if (icdrf & CDRF_NOTIFYPOSTPAINT)
 		notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
 	}
     }
     
     /* draw thumb */
-    if (!(dwStyle & TBS_NOTHUMB)) {
+    if (!(infoPtr->dwStyle & TBS_NOTHUMB)) {
 	if (gcdrf & CDRF_NOTIFYITEMDRAW) {
 	    nmcd.dwItemSpec = TBCD_THUMB;
 	    nmcd.uItemState = infoPtr->flags & TB_DRAG_MODE ? CDIS_HOT : CDIS_DEFAULT;
@@ -919,7 +915,7 @@ TRACKBAR_Refresh (TRACKBAR_INFO *infoPtr, HDC hdcDst)
 	    icdrf = notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPREPAINT);
 	} else icdrf = CDRF_DODEFAULT;
 	if ( !(icdrf & CDRF_SKIPDEFAULT) ) {
-            TRACKBAR_DrawThumb(infoPtr, hdc, dwStyle);
+            TRACKBAR_DrawThumb(infoPtr, hdc, infoPtr->dwStyle);
 	    if (icdrf & CDRF_NOTIFYPOSTPAINT)
 		notify_customdraw(infoPtr, &nmcd, CDDS_ITEMPOSTPAINT);
 	}
@@ -948,7 +944,6 @@ cleanup:
 static void
 TRACKBAR_AlignBuddies (const TRACKBAR_INFO *infoPtr)
 {
-    DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
     HWND hwndParent = GetParent (infoPtr->hwndSelf);
     RECT rcSelf, rcBuddy;
     INT x, y;
@@ -961,7 +956,7 @@ TRACKBAR_AlignBuddies (const TRACKBAR_INFO *infoPtr)
 	GetWindowRect (infoPtr->hwndBuddyLA, &rcBuddy);
 	MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
 
-	if (dwStyle & TBS_VERT) {
+	if (infoPtr->dwStyle & TBS_VERT) {
 	    x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
 		(rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
 	    y = rcSelf.top - (rcBuddy.bottom - rcBuddy.top);
@@ -982,7 +977,7 @@ TRACKBAR_AlignBuddies (const TRACKBAR_INFO *infoPtr)
 	GetWindowRect (infoPtr->hwndBuddyRB, &rcBuddy);
 	MapWindowPoints (HWND_DESKTOP, hwndParent, (LPPOINT)&rcBuddy, 2);
 
-	if (dwStyle & TBS_VERT) {
+	if (infoPtr->dwStyle & TBS_VERT) {
 	    x = (infoPtr->rcChannel.right + infoPtr->rcChannel.left) / 2 -
 		(rcBuddy.right - rcBuddy.left) / 2 + rcSelf.left;
 	    y = rcSelf.bottom;
@@ -1043,8 +1038,7 @@ TRACKBAR_GetChannelRect (const TRACKBAR_INFO *infoPtr, LPRECT lprc)
 static inline LONG
 TRACKBAR_GetNumTics (const TRACKBAR_INFO *infoPtr)
 {
-    if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_NOTICKS)
-        return 0;
+    if (infoPtr->dwStyle & TBS_NOTICKS) return 0;
 
     return infoPtr->uNumTics + 2;
 }
@@ -1223,7 +1217,7 @@ TRACKBAR_SetRangeMin (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lMin)
 static inline LRESULT
 TRACKBAR_SetSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lSel)
 {
-    if (!(GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_ENABLESELRANGE)){
+    if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
         infoPtr->lSelMin = 0;
         infoPtr->lSelMax = 0;
         return 0;
@@ -1247,7 +1241,7 @@ TRACKBAR_SetSel (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lSel)
 static inline LRESULT
 TRACKBAR_SetSelEnd (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lEnd)
 {
-    if (!(GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_ENABLESELRANGE)){
+    if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
         infoPtr->lSelMax = 0;
 	return 0;
     }
@@ -1267,7 +1261,7 @@ TRACKBAR_SetSelEnd (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lEnd)
 static inline LRESULT
 TRACKBAR_SetSelStart (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lStart)
 {
-    if (!(GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_ENABLESELRANGE)){
+    if (!(infoPtr->dwStyle & TBS_ENABLESELRANGE)){
         infoPtr->lSelMin = 0;
 	return 0;
     }
@@ -1287,7 +1281,7 @@ TRACKBAR_SetSelStart (TRACKBAR_INFO *infoPtr, BOOL fRedraw, LONG lStart)
 static inline LRESULT
 TRACKBAR_SetThumbLength (TRACKBAR_INFO *infoPtr, UINT iLength)
 {
-    if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_FIXEDLENGTH) {
+    if (infoPtr->dwStyle & TBS_FIXEDLENGTH) {
         infoPtr->uThumbLen = iLength;
 	infoPtr->flags |= TB_THUMBSIZECHANGED;
 	InvalidateRect (infoPtr->hwndSelf, &infoPtr->rcThumb, FALSE);
@@ -1300,7 +1294,7 @@ TRACKBAR_SetThumbLength (TRACKBAR_INFO *infoPtr, UINT iLength)
 static inline LRESULT
 TRACKBAR_SetTic (TRACKBAR_INFO *infoPtr, LONG lPos)
 {
-    if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_AUTOTICKS)
+    if (infoPtr->dwStyle & TBS_AUTOTICKS)
 	return FALSE;
 
     if ((lPos < infoPtr->lRangeMin) || (lPos> infoPtr->lRangeMax))
@@ -1327,7 +1321,7 @@ TRACKBAR_SetTic (TRACKBAR_INFO *infoPtr, LONG lPos)
 static inline LRESULT
 TRACKBAR_SetTicFreq (TRACKBAR_INFO *infoPtr, WORD wFreq)
 {
-    if (GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE) & TBS_AUTOTICKS) {
+    if (infoPtr->dwStyle & TBS_AUTOTICKS) {
         infoPtr->uTicFreq = wFreq;
 	TRACKBAR_RecalculateTics (infoPtr);
 	TRACKBAR_InvalidateAll(infoPtr);
@@ -1371,14 +1365,13 @@ TRACKBAR_SetUnicodeFormat (TRACKBAR_INFO *infoPtr, BOOL fUnicode)
 static LRESULT
 TRACKBAR_InitializeThumb (TRACKBAR_INFO *infoPtr)
 {
-    DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
     RECT rect;
     int clientWidth, clientMetric;
 
     /* initial thumb length */
-    clientMetric = (dwStyle & TBS_ENABLESELRANGE) ? 23 : 21;
+    clientMetric = (infoPtr->dwStyle & TBS_ENABLESELRANGE) ? 23 : 21;
     GetClientRect(infoPtr->hwndSelf,&rect);
-    if (dwStyle & TBS_VERT) {
+    if (infoPtr->dwStyle & TBS_VERT) {
 	clientWidth = rect.right - rect.left;
     } else {
 	clientWidth = rect.bottom - rect.top;
@@ -1400,7 +1393,6 @@ static LRESULT
 TRACKBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
 {
     TRACKBAR_INFO *infoPtr;
-    DWORD dwStyle;
 
     infoPtr = Alloc (sizeof(TRACKBAR_INFO));
     if (!infoPtr) return -1;
@@ -1408,6 +1400,7 @@ TRACKBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
 
     /* set default values */
     infoPtr->hwndSelf  = hwnd;
+    infoPtr->dwStyle   = lpcs->style;
     infoPtr->lRangeMin = 0;
     infoPtr->lRangeMax = 100;
     infoPtr->lLineSize = 1;
@@ -1423,10 +1416,8 @@ TRACKBAR_Create (HWND hwnd, const CREATESTRUCTW *lpcs)
 
     TRACKBAR_InitializeThumb (infoPtr);
 
-    dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
-
     /* Create tooltip control */
-    if (dwStyle & TBS_TOOLTIPS) {
+    if (infoPtr->dwStyle & TBS_TOOLTIPS) {
 
     	infoPtr->hwndToolTip =
             CreateWindowExW (0, TOOLTIPS_CLASSW, NULL, WS_POPUP,
@@ -1576,6 +1567,16 @@ TRACKBAR_Size (TRACKBAR_INFO *infoPtr)
     return 0;
 }
 
+static LRESULT
+TRACKBAR_StyleChanged (TRACKBAR_INFO *infoPtr, WPARAM wStyleType,
+                       const STYLESTRUCT *lpss)
+{
+    if (wStyleType != GWL_STYLE) return 0;
+
+    infoPtr->dwStyle = lpss->styleNew;
+
+    return 0;
+}
 
 static LRESULT
 TRACKBAR_Timer (TRACKBAR_INFO *infoPtr)
@@ -1603,8 +1604,7 @@ static LRESULT theme_changed (const TRACKBAR_INFO* infoPtr)
 static LRESULT
 TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, INT x, INT y)
 {
-    DWORD dwStyle = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
-    INT clickPlace = (dwStyle & TBS_VERT) ? y : x;
+    INT clickPlace = (infoPtr->dwStyle & TBS_VERT) ? y : x;
     LONG dragPos, oldPos = infoPtr->lPos;
 
     TRACE("(x=%d. y=%d)\n", x, y);
@@ -1649,7 +1649,7 @@ TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, INT x, INT y)
     }
 
     dragPos = TRACKBAR_ConvertPlaceToPosition (infoPtr, clickPlace,
-                                               dwStyle & TBS_VERT);
+                                               infoPtr->dwStyle & TBS_VERT);
     if (dragPos == oldPos) return TRUE;
 
     infoPtr->lPos = dragPos;
@@ -1667,9 +1667,8 @@ TRACKBAR_MouseMove (TRACKBAR_INFO *infoPtr, INT x, INT y)
 static BOOL
 TRACKBAR_KeyDown (TRACKBAR_INFO *infoPtr, INT nVirtKey)
 {
-    DWORD style = GetWindowLongW (infoPtr->hwndSelf, GWL_STYLE);
-    BOOL downIsLeft = style & TBS_DOWNISLEFT;
-    BOOL vert = style & TBS_VERT;
+    BOOL downIsLeft = infoPtr->dwStyle & TBS_DOWNISLEFT;
+    BOOL vert = infoPtr->dwStyle & TBS_VERT;
     LONG pos = infoPtr->lPos;
 
     TRACE("%x\n", nVirtKey);
@@ -1906,6 +1905,9 @@ TRACKBAR_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
     case WM_SIZE:
         return TRACKBAR_Size (infoPtr);
 
+    case WM_STYLECHANGED:
+        return TRACKBAR_StyleChanged (infoPtr, wParam, (LPSTYLESTRUCT)lParam);
+
     case WM_THEMECHANGED:
         return theme_changed (infoPtr);
 
-- 
1.5.6.5







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