mshtml: Implement IHTMLCurrentStyle_get_lineHeight.

dlls/mshtml/htmlcurstyle.c

@@ -410,8 +410,8 @@ static HRESULT WINAPI HTMLCurrentStyle_get_letterSpacing(IHTMLCurrentStyle *ifac
 static HRESULT WINAPI HTMLCurrentStyle_get_lineHeight(IHTMLCurrentStyle *iface, VARIANT *p)
 {
     HTMLCurrentStyle *This = HTMLCURSTYLE_THIS(iface);
-    FIXME("(%p)->(%p)\n", This, p);
-    return E_NOTIMPL;
+    TRACE("(%p)->(%p)\n", This, p);
+    return get_nsstyle_attr_var(This->nsstyle, STYLEID_LINE_HEIGHT, p, 0);
 }
 
 static HRESULT WINAPI HTMLCurrentStyle_get_textIndent(IHTMLCurrentStyle *iface, VARIANT *p)

dlls/mshtml/htmlstyle.c

@@ -107,6 +107,8 @@ static const WCHAR attrLeft[] =
     {'l','e','f','t',0};
 static const WCHAR attrLetterSpacing[] =
     {'l','e','t','t','e','r','-','s','p','a','c','i','n','g',0};
+static const WCHAR attrLineHeight[] =
+    {'l','i','n','e','-','h','e','i','g','h','t',0};
 static const WCHAR attrMargin[] =
     {'m','a','r','g','i','n',0};
 static const WCHAR attrMarginBottom[] =
@@ -192,6 +194,7 @@ static const struct{
     {attrHeight,               DISPID_IHTMLSTYLE_HEIGHT},
     {attrLeft,                 DISPID_IHTMLSTYLE_LEFT},
     {attrLetterSpacing,        DISPID_IHTMLSTYLE_LETTERSPACING},
+    {attrLineHeight,           DISPID_IHTMLSTYLE_LINEHEIGHT},
     {attrMargin,               DISPID_IHTMLSTYLE_MARGIN},
     {attrMarginBottom,         DISPID_IHTMLSTYLE_MARGINBOTTOM},
     {attrMarginLeft,           DISPID_IHTMLSTYLE_MARGINLEFT},

dlls/mshtml/htmlstyle.h

@@ -71,6 +71,7 @@ typedef enum {
     STYLEID_HEIGHT,
     STYLEID_LEFT,
     STYLEID_LETTER_SPACING,
+    STYLEID_LINE_HEIGHT,
     STYLEID_MARGIN,
     STYLEID_MARGIN_BOTTOM,
     STYLEID_MARGIN_LEFT,

dlls/mshtml/tests/dom.c

@@ -2821,6 +2821,11 @@ static void test_current_style(IHTMLCurrentStyle *current_style)
     ok(hres == S_OK, "get_bottom failed: %08x\n", hres);
     ok(V_VT(&v) == VT_BSTR, "V_VT(v) = %d\n", V_VT(&v));
     VariantClear(&v);
+
+    hres = IHTMLCurrentStyle_get_lineHeight(current_style, &v);
+    ok(hres == S_OK, "get_lineHeight failed: %08x\n", hres);
+    ok(V_VT(&v) == VT_BSTR, "V_VT(v) = %d\n", V_VT(&v));
+    VariantClear(&v);
 }
 
 static void test_style2(IHTMLStyle2 *style2)