Subclass edit control to draw themed border.

dlls/comctl32/Makefile.in

@@ -36,6 +36,7 @@ C_SRCS = \
 	syslink.c \
 	tab.c \
 	theming.c \
+	theme_edit.c \
 	toolbar.c \
 	tooltips.c \
 	trackbar.c \

dlls/comctl32/theme_edit.c

+/*
+ * Theming - Edit control
+ *
+ * Copyright (c) 2005 by Frank Richter
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <stdarg.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "wingdi.h"
+#include "winuser.h"
+#include "uxtheme.h"
+#include "tmschema.h"
+#include "comctl32.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(themingedit);
+
+/* Draw themed border */
+static void nc_paint (HWND hwnd, HRGN region)
+{
+    HTHEME theme = GetWindowTheme (hwnd);
+    HDC dc;
+    RECT r;
+    HRGN cliprgn;
+    int cxEdge = GetSystemMetrics (SM_CXEDGE),
+        cyEdge = GetSystemMetrics (SM_CYEDGE);
+    int part = EP_EDITTEXT;
+    int state = ETS_NORMAL;
+    DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
+
+    if (!IsWindowEnabled (hwnd))
+        state = ETS_DISABLED;
+    else if (dwStyle & ES_READONLY)
+        state = ETS_READONLY;
+    else if (GetFocus() == hwnd)
+        state = ETS_FOCUSED;
+
+    GetWindowRect(hwnd, &r);
+
+    cliprgn = CreateRectRgn (r.left + cxEdge, r.top + cyEdge,
+        r.right - cxEdge, r.bottom - cyEdge);
+    if (region != (HRGN)1)
+        CombineRgn (cliprgn, cliprgn, region, RGN_AND);
+    OffsetRect(&r, -r.left, -r.top);
+
+    dc = GetDCEx(hwnd, region, DCX_WINDOW|DCX_INTERSECTRGN);
+    OffsetRect(&r, -r.left, -r.top);
+
+    if (IsThemeBackgroundPartiallyTransparent (theme, part, state))
+        DrawThemeParentBackground(hwnd, dc, &r);
+    DrawThemeBackground (theme, dc, part, state, &r, 0);
+    ReleaseDC(hwnd, dc);
+
+    /* Call default proc to get the scrollbars etc. painted */
+    DefWindowProcW (hwnd, WM_NCPAINT, (WPARAM)cliprgn, 0);
+}
+
+/**********************************************************************
+ * The edit control subclass window proc.
+ */
+LRESULT CALLBACK THEMING_EditSubclassProc (HWND hwnd, UINT msg, 
+                                           WPARAM wParam, LPARAM lParam, 
+                                           ULONG_PTR dwRefData)
+{
+    const WCHAR* themeClass = WC_EDITW;
+    HTHEME theme;
+    LRESULT result;
+      
+    switch (msg)
+    {
+    case WM_CREATE:
+        result = THEMING_CallOriginalClass  (hwnd, msg, wParam, lParam);
+        OpenThemeData( hwnd, themeClass );
+        return result;
+    
+    case WM_DESTROY:
+        theme = GetWindowTheme( hwnd );
+        CloseThemeData ( theme );
+        break;
+
+    case WM_THEMECHANGED:
+        theme = GetWindowTheme( hwnd );
+        CloseThemeData ( theme );
+        OpenThemeData( hwnd, themeClass );
+        break;
+        
+    case WM_SYSCOLORCHANGE:
+        theme = GetWindowTheme( hwnd );
+	if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
+        /* Do nothing. When themed, a WM_THEMECHANGED will be received, too,
+   	 * which will do the repaint. */
+        break;
+        
+    case WM_NCPAINT:
+        theme = GetWindowTheme( hwnd );
+        if (!theme) return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
+        nc_paint (hwnd, (HRGN)wParam);
+        break;
+
+    case WM_ENABLE:
+        theme = GetWindowTheme( hwnd );
+        if (theme) RedrawWindow (hwnd, NULL, NULL, 
+            RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW);
+        return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
+        
+    default: 
+	/* Call old proc */
+	return THEMING_CallOriginalClass (hwnd, msg, wParam, lParam);
+    }
+    return 0;
+}

dlls/comctl32/theming.c

@@ -33,12 +33,16 @@ WINE_DEFAULT_DEBUG_CHANNEL(theming);
 typedef LRESULT (CALLBACK* THEMING_SUBCLASSPROC)(HWND, UINT, WPARAM, LPARAM,
     ULONG_PTR);
 
+extern LRESULT CALLBACK THEMING_EditSubclassProc (HWND, UINT, WPARAM, LPARAM,
+                                                    ULONG_PTR);
+
 static const struct ThemingSubclass
 {
     const WCHAR* className;
     THEMING_SUBCLASSPROC subclassProc;
 } subclasses[] = {
     /* Note: list must be sorted by class name */
+    {WC_EDITW,             THEMING_EditSubclassProc}
 };
 
 #define NUM_SUBCLASSES        (sizeof(subclasses)/sizeof(subclasses[0]))
@@ -83,7 +87,10 @@ static LRESULT CALLBACK subclass_stub ## N (HWND wnd, UINT msg,             \
     return THEMING_SubclassProc (wnd, msg, wParam, lParam);                 \
 }
 
+MAKE_SUBCLASS_STUB(0)
+
 const static WNDPROC subclassStubs[NUM_SUBCLASSES] = {
+    subclass_stub0
 };
 
 /***********************************************************************