Merge pull request #439 from adobe/jeff/fixWhiteStripeEtAl

Different Fix for White Stripe on Aero

Author: RaymondLim

appshell/cef_dark_aero_window.cpp

@@ -303,50 +303,6 @@ int cef_dark_aero_window::HandleNcHitTest(LPPOINT ptHit)
     return HTNOWHERE;
 }
 
-// WM_SYSCOMMAND handler
-//  We need to handle SC_MAXIMIZE to avoid any border leakage
-BOOL cef_dark_aero_window::HandleSysCommand(UINT command)
-{
-    if ((command & 0xFFF0) != SC_MAXIMIZE)
-        return FALSE;
-
-    // Aero windows still get a border when maximized
-    //  The border, however, is the size of the unmaximized 
-    //  window. To obviate that border we turn off drawing and 
-    //  set the size of the window to zero then maximize the window
-    //  and redraw the window.  
-    //
-    // This creates a new problem: the restored window size is now
-    //  0 which, when actually restored, is the size returned from 
-    //  the WM_GETMINMAXINFO handler. To obviate that problem we get
-    //  the window's restore size before maximizing it and reset it after.
-
-    WINDOWPLACEMENT wp;
-    ::ZeroMemory(&wp, sizeof (wp));
-
-    wp.length = sizeof(WINDOWPLACEMENT);
-    GetWindowPlacement(&wp);
-
-    SetRedraw(FALSE);
-    SetWindowPos(NULL, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOZORDER|SWP_NOREDRAW|SWP_NOACTIVATE);
-    DefaultWindowProc(WM_SYSCOMMAND, command, 0L);
-    SetRedraw(TRUE);
-
-    UpdateMenuBar();
-
-    wp.flags            = 0;
-    wp.showCmd          = SW_MAXIMIZE;
-
-    wp.ptMinPosition.x  = -1;
-    wp.ptMinPosition.y  = -1;
-    wp.ptMaxPosition.x  = -1;
-    wp.ptMaxPosition.y  = -1;
-
-    // reset the restore size
-    SetWindowPlacement(&wp);
-    return TRUE;
-}
-
 // Setup the device context for drawing
 void cef_dark_aero_window::InitDeviceContext(HDC hdc)
 {
@@ -717,10 +673,6 @@ LRESULT cef_dark_aero_window::WindowProc(UINT message, WPARAM wParam, LPARAM lPa
     LRESULT lr = DwpCustomFrameProc(message, wParam, lParam, &callDefWindowProc);
 
     switch(message) {
-    case WM_SYSCOMMAND:
-        if (HandleSysCommand((UINT)wParam)) 
-            return 0L;
-        break;
     case WM_ACTIVATE:
         if (mReady) {
             UpdateMenuBar();

appshell/cef_dark_aero_window.h

@@ -75,7 +75,6 @@ class cef_dark_aero_window : public cef_dark_window
     BOOL HandleCreate();
     BOOL HandlePaint();
     BOOL HandleNcCalcSize(BOOL calcValidRects, NCCALCSIZE_PARAMS* lpncsp, LRESULT* lr);
-    BOOL HandleSysCommand(UINT command);
     BOOL HandleNcMouseMove(UINT uHitTest, LPPOINT pt);
     BOOL HandleNcLeftButtonDown(UINT uHitTest, LPPOINT pt);
 

appshell/cef_main_window.cpp

@@ -64,6 +64,7 @@ ATOM cef_main_window::RegisterWndClass()
         ::ZeroMemory (&wcex, sizeof (wcex));
         wcex.cbSize = sizeof(WNDCLASSEX);
 
+        wcex.style         = CS_HREDRAW | CS_VREDRAW;
         wcex.lpfnWndProc   = ::DefWindowProc;
         wcex.hInstance     = ::hInst;
         wcex.hIcon         = ::LoadIcon(hInst, MAKEINTRESOURCE(IDI_CEFCLIENT));