[PATCH 5/6] comctl32/treeview: Add a helper to fill theme background.

[Zhiyi Zhang]

From: Zhiyi Zhang

---
 dlls/comctl32/treeview.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/dlls/comctl32/treeview.c b/dlls/comctl32/treeview.c
index ebf4da7ce02..1ec3cc831c7 100644
--- a/dlls/comctl32/treeview.c
+++ b/dlls/comctl32/treeview.c
@@ -2902,13 +2902,23 @@ TREEVIEW_EraseBackground(const TREEVIEW_INFO *infoPtr, HDC hdc)
     return 1;
 }

+static void TREEVIEW_FillThemeBackground(TREEVIEW_INFO *infoPtr, HDC hdc, const RECT *rect)
+{
+    HTHEME theme;
+
+    if (infoPtr->dwStyle & TVS_HASBUTTONS && (theme = GetWindowTheme(infoPtr->hwnd)))
+    {
+        if (IsThemeBackgroundPartiallyTransparent(theme, TVP_GLYPH, 0))
+            FillRect(hdc, rect, (HBRUSH)(COLOR_WINDOW + 1));
+    }
+}
+
 static void
 TREEVIEW_Refresh(TREEVIEW_INFO *infoPtr, HDC hdc, const RECT *rc)
 {
     HWND hwnd = infoPtr->hwnd;
     RECT rect = *rc;
     TREEVIEW_ITEM *item;
-    HTHEME theme;

if (infoPtr->clientHeight == 0 || infoPtr->clientWidth == 0)
     {
@@ -2925,11 +2935,7 @@ TREEVIEW_Refresh(TREEVIEW_INFO *infoPtr, HDC hdc, const RECT *rc)
    return;
     }

-    if (infoPtr->dwStyle & TVS_HASBUTTONS && (theme = GetWindowTheme(infoPtr->hwnd)))
-    {
-        if (IsThemeBackgroundPartiallyTransparent(theme, TVP_GLYPH, 0))
-            FillRect(hdc, &rect, (HBRUSH)(COLOR_WINDOW + 1));
-    }
+    TREEVIEW_FillThemeBackground(infoPtr, hdc, &rect);

for (item = infoPtr->root->firstChild;
          item != NULL;