[Bug 15252] New: moving/resizing undecorated windows broken in dual-screen setups

http://bugs.winehq.org/show_bug.cgi?id=15252

           Summary: moving/resizing undecorated windows broken in dual-
                    screen setups
           Product: Wine
           Version: 1.1.4
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: winex11.drv
        AssignedTo: wine-bugs(a)winehq.org
        ReportedBy: dima(a)gmail.com


I have a second monitor attached, so my first monitor's top left corner is at
(1280, 300). If I try to move/resize a window that has custom decorations, wine
gives wrong pointer coordinates to the window manager, and the window jumps
down and to the right.

The problem seems to be in X11DRV_SysCommand, dlls/winex11.drv/window.c. It
uses GetMessagePos to get the pointer coordinates - which returns the values
relative to the first screen. Then it sends _NET_WM_MOVERESIZE to the window
manager - which expects absolute coordinates.

I'm not sure what the right solution is, but I have a work-around: subtract the
value returned by GetWindowRect, then translate to the coordinates in the root
window using XTranslateCoordinates. (I've never used win32 or Xlib, so please
excuse my code.)

--- dlls/winex11.drv/window.c   2008-09-05 08:28:27.000000000 -0700
+++ dlls/winex11.drv/window.c.new       2008-09-12 01:23:32.000000000 -0700
@@ -2197,6 +2197,8 @@
     XEvent xev;
     Display *display = thread_display();
     struct x11drv_win_data *data;
+    RECT rect;
+    Window dummy_child;

     if (!(data = X11DRV_get_win_data( hwnd ))) return -1;
     if (!data->whole_window || !data->managed || !data->mapped) return -1;
@@ -2252,6 +2254,12 @@

     TRACE("hwnd %p, x %d, y %d, dir %d\n", hwnd, x, y, dir);

+    GetWindowRect(hwnd, &rect);
+    wine_tsx11_lock();
+    XTranslateCoordinates(display, X11DRV_get_whole_window(hwnd),
+        root_window, x - rect.left, y - rect.top, &x, &y, &dummy_child);
+    wine_tsx11_unlock();
+
     xev.xclient.type = ClientMessage;
     xev.xclient.window = X11DRV_get_whole_window(hwnd);
     xev.xclient.message_type = x11drv_atom(_NET_WM_MOVERESIZE);


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[Bug 15252] moving/resizing undecorated windows broken in dual-screen setups

http://bugs.winehq.org/show_bug.cgi?id=15252





--- Comment #1 from Dima Ryazanov <dima(a)gmail.com>  2008-09-12 03:41:49 ---
Created an attachment (id=16038)
 --> (http://bugs.winehq.org/attachment.cgi?id=16038)
A fix and/or work-around

(Oops, should've attached the patch instead of pasting it.)


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[Bug 15252] moving/resizing undecorated windows broken in dual-screen setups

http://bugs.winehq.org/show_bug.cgi?id=15252





--- Comment #2 from Dmitry Timoshkov <dmitry(a)codeweavers.com>  2008-09-12 05:24:34 ---
What window manager are you using?


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[Bug 15252] moving/resizing undecorated windows broken in dual-screen setups

http://bugs.winehq.org/show_bug.cgi?id=15252


Alexandre Julliard <julliard(a)winehq.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED




--- Comment #3 from Alexandre Julliard <julliard(a)winehq.org>  2008-09-12 07:27:10 ---
Should be fixed by 9fab7b458ace550bf30d6bae2f4d8b55afb468c9.


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[Bug 15252] moving/resizing undecorated windows broken in dual-screen setups

http://bugs.winehq.org/show_bug.cgi?id=15252


Alexandre Julliard <julliard(a)winehq.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED




--- Comment #4 from Alexandre Julliard <julliard(a)winehq.org>  2008-09-19 11:17:49 ---
Closing bugs fixed in 1.1.5.


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