From 32429ba985b889094019f23cf92bacb085594dcf Mon Sep 17 00:00:00 2001
From: Mike DePaulo <mikedep333@gmail.com>
Date: Fri, 26 Jun 2015 18:42:05 -0400
Subject: A new version of winmultiwindow.patch from Ionic.

I forget the test results, but we are thinking that the patch is
an entirely bad idea and should be be completely dropped.
---
 xorg-server/hw/xwin/winmultiwindowwindow.c | 88 +++++++++++++++++++++++++++++-
 1 file changed, 87 insertions(+), 1 deletion(-)

diff --git a/xorg-server/hw/xwin/winmultiwindowwindow.c b/xorg-server/hw/xwin/winmultiwindowwindow.c
index 850edc149..10fdd54f0 100755
--- a/xorg-server/hw/xwin/winmultiwindowwindow.c
+++ b/xorg-server/hw/xwin/winmultiwindowwindow.c
@@ -107,6 +107,7 @@ winCreateWindowMultiWindow(WindowPtr pWin)
     winDebug ("winCreateWindowMultiWindow - pWin: %p\n", pWin);
 #endif
 
+
     WIN_UNWRAP(CreateWindow);
     fResult = (*pScreen->CreateWindow) (pWin);
     WIN_WRAP(CreateWindow, winCreateWindowMultiWindow);
@@ -319,6 +320,7 @@ winUnmapWindowMultiWindow(WindowPtr pWin)
     winDebug ("winUnmapWindowMultiWindow - pWin: %p\n", pWin);
 #endif
 
+
     WIN_UNWRAP(UnrealizeWindow);
     fResult = (*pScreen->UnrealizeWindow) (pWin);
     WIN_WRAP(UnrealizeWindow, winUnmapWindowMultiWindow);
@@ -364,6 +366,7 @@ winMapWindowMultiWindow(WindowPtr pWin)
     winReshapeMultiWindow(pWin);
     winUpdateRgnMultiWindow(pWin);
 
+
     return fResult;
 }
 
@@ -908,16 +911,25 @@ winAdjustXWindow(WindowPtr pWin, HWND hwnd)
 {
     RECT rcDraw;                /* Rect made from pWin->drawable to be adjusted */
     RECT rcWin;                 /* The source: WindowRect from hwnd */
+    RECT new_size;              /* Structure holding a new window size, in case
+                                 * the window exceeds visible limits. */
     DrawablePtr pDraw;
     XID vlist[4];
     LONG dX, dY, dW, dH, x, y;
     DWORD dwStyle, dwExStyle;
 
+    int ret, need_resize;
+    HMONITOR currentMonitor;
+    MONITORINFO monitorInfo;
+    LONG_PTR old_style, old_ex_style;
+
 #define WIDTH(rc) (rc.right - rc.left)
 #define HEIGHT(rc) (rc.bottom - rc.top)
 
     winDebug("winAdjustXWindow\n");
 
+
+
     if (IsIconic(hwnd)) {
       winDebug("\timmediately return because the window is iconized\n");
         /*
@@ -941,13 +953,17 @@ winAdjustXWindow(WindowPtr pWin, HWND hwnd)
     dwExStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
     dwStyle = GetWindowLongPtr(hwnd, GWL_STYLE);
     winDebug("\tWindowStyle: %08x %08x\n", dwStyle, dwExStyle);
+
     AdjustWindowRectEx(&rcDraw, dwStyle, FALSE, dwExStyle);
 
     /* The source of adjust */
     GetWindowRect(hwnd, &rcWin);
+
     winDebug("\tWindow extend {%d, %d, %d, %d}, {%d, %d}\n",
              rcWin.left, rcWin.top, rcWin.right, rcWin.bottom,
              rcWin.right - rcWin.left, rcWin.bottom - rcWin.top);
+
+
     winDebug("\tDraw extend {%d, %d, %d, %d}, {%d, %d}\n",
              rcDraw.left, rcDraw.top, rcDraw.right, rcDraw.bottom,
              rcDraw.right - rcDraw.left, rcDraw.bottom - rcDraw.top);
@@ -976,9 +992,79 @@ winAdjustXWindow(WindowPtr pWin, HWND hwnd)
     vlist[3] = pDraw->height + dH;
     winDebug("\tConfigureWindow to (%ld, %ld) - %ldx%ld\n", vlist[0], vlist[1],
               vlist[2], vlist[3]);
-    return ConfigureWindow(pWin, CWX | CWY | CWWidth | CWHeight,
+
+    ret=ConfigureWindow(pWin, CWX | CWY | CWWidth | CWHeight,
                            vlist, wClient(pWin));
 
+
+    currentMonitor=MonitorFromWindow(hwnd,MONITOR_DEFAULTTONULL);
+    if(!currentMonitor)
+    {
+        return ret;
+    }
+    monitorInfo.cbSize=sizeof ( MONITORINFO );
+    if(!GetMonitorInfo(currentMonitor, &monitorInfo))
+    {
+        return ret;
+    }
+
+    need_resize = 0;
+    if (rcWin.left <= monitorInfo.rcWork.left) {
+      new_size.left = monitorInfo.rcWork.left;
+      need_resize = 1;
+    }
+    else {
+      new_size.left = rcWin.left;
+    }
+
+    if (rcWin.top <= monitorInfo.rcWork.top) {
+      new_size.top = monitorInfo.rcWork.top;
+      need_resize = 1;
+    }
+    else {
+      new_size.top = rcWin.top;
+    }
+
+    if (rcWin.right > monitorInfo.rcWork.right) {
+      new_size.right = monitorInfo.rcWork.right;
+      need_resize = 1;
+    }
+    else {
+      new_size.right = rcWin.right;
+    }
+
+    if (rcWin.bottom > monitorInfo.rcWork.bottom) {
+      new_size.bottom = monitorInfo.rcWork.bottom;
+      need_resize = 1;
+    }
+    else {
+      new_size.bottom = rcWin.bottom;
+    }
+
+    if (need_resize)
+    {
+       old_style = GetWindowLongPtr (hwnd, GWL_STYLE);
+       old_ex_style = GetWindowLongPtr (hwnd, GWL_EXSTYLE);
+
+       if (!old_style || !old_ex_style) {
+          return ret;
+       }
+
+       SetWindowLongPtr(hwnd, GWL_STYLE,
+                  WS_VISIBLE | old_style);
+
+       SetWindowLongPtr(hwnd, GWL_EXSTYLE,
+                  old_ex_style);
+
+       SetWindowPos ( hwnd, HWND_TOPMOST, new_size.left,
+                   new_size.top,
+                   new_size.right - new_size.left,
+                   new_size.bottom - new_size.top,
+                   SWP_DRAWFRAME | SWP_SHOWWINDOW);
+    }
+
+    return ret;
+
 #undef WIDTH
 #undef HEIGHT
 }
-- 
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