[hbelusca] 72984: [CONSRV]: Fixes for SetConsoleWindowInfo, where one notices that again the MSDN documentation on SetConsoleWindowInfo is partially wrong. This makes all the kernel32_apitest:SetCo...

Author: hbelusca
Date: Tue Oct 18 17:16:57 2016
New Revision: 72984
URL: http://svn.reactos.org/svn/reactos?rev=72984&view=rev
Log:
[CONSRV]: Fixes for SetConsoleWindowInfo, where one notices that again the MSDN
documentation on SetConsoleWindowInfo is partially wrong.
This makes all the kernel32_apitest:SetConsoleWindowInfo tests pass now.
Also, notify the console window about the size change.
Modified:
    trunk/reactos/win32ss/user/winsrv/consrv/condrv/text.c
Modified: trunk/reactos/win32ss/user/winsrv/consrv/condrv/text.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/winsrv/consrv…
==============================================================================
--- trunk/reactos/win32ss/user/winsrv/consrv/condrv/text.c      [iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/winsrv/consrv/condrv/text.c      [iso-8859-1] Tue Oct 18
17:16:57 2016
@@ -1225,7 +1225,7 @@
     CapturedWindowRect = *WindowRect;
-    if (Absolute == FALSE)
+    if (!Absolute)
     {
         /* Relative positions given. Transform them to absolute ones */
         CapturedWindowRect.Left   += Buffer->ViewOrigin.X;
@@ -1234,12 +1234,34 @@
         CapturedWindowRect.Bottom += Buffer->ViewOrigin.Y + Buffer->ViewSize.Y - 1;
     }
-    /* See MSDN documentation on SetConsoleWindowInfo about the performed checks */
-    if ( (CapturedWindowRect.Left < 0) || (CapturedWindowRect.Top < 0)  ||
-         (CapturedWindowRect.Right  >= Buffer->ScreenBufferSize.X)      ||
-         (CapturedWindowRect.Bottom >= Buffer->ScreenBufferSize.Y)      ||
-         (CapturedWindowRect.Right  <= CapturedWindowRect.Left)         ||
-         (CapturedWindowRect.Bottom <= CapturedWindowRect.Top) )
+    /*
+     * The MSDN documentation on SetConsoleWindowInfo is partially wrong about
+     * the performed checks this API performs. While it is correct that the
+     * 'Right'/'Bottom' members cannot be strictly smaller than the
'Left'/'Top'
+     * members, they can be equal.
+     * Also, if the 'Left' or 'Top' members are negative, this is
automatically
+     * corrected for, and the window rectangle coordinates are shifted accordingly.
+     */
+    if ((CapturedWindowRect.Right  < CapturedWindowRect.Left) ||
+        (CapturedWindowRect.Bottom < CapturedWindowRect.Top))
+    {
+        return STATUS_INVALID_PARAMETER;
+    }
+
+    /* Shift the window rectangle coordinates if 'Left' or 'Top' are
negative */
+    if (CapturedWindowRect.Left < 0)
+    {
+        CapturedWindowRect.Right -= CapturedWindowRect.Left;
+        CapturedWindowRect.Left = 0;
+    }
+    if (CapturedWindowRect.Top < 0)
+    {
+        CapturedWindowRect.Bottom -= CapturedWindowRect.Top;
+        CapturedWindowRect.Top = 0;
+    }
+
+    if ((CapturedWindowRect.Right  >= Buffer->ScreenBufferSize.X) ||
+        (CapturedWindowRect.Bottom >= Buffer->ScreenBufferSize.Y))
     {
         return STATUS_INVALID_PARAMETER;
     }
@@ -1250,7 +1272,7 @@
     Buffer->ViewSize.X = CapturedWindowRect.Right - CapturedWindowRect.Left + 1;
     Buffer->ViewSize.Y = CapturedWindowRect.Bottom - CapturedWindowRect.Top + 1;
-    // TermResizeTerminal(Console);
+    TermResizeTerminal(Console);
     return STATUS_SUCCESS;
 }