[fireball] 49963: - Move to a more formalized window manager interaction in winent. Based on code from winex11.drv. [1/2] - As a result, windows should appear and hide correctly, as expected by the...

Author: fireball
Date: Mon Dec  6 14:13:08 2010
New Revision: 49963

URL: http://svn.reactos.org/svn/reactos?rev=49963&view=rev
Log:
- Move to a more formalized window manager interaction in winent. Based on code from
winex11.drv. [1/2]
- As a result, windows should appear and hide correctly, as expected by the core
user32/server code.

Modified:
    branches/arwinss/reactos/dll/win32/winent.drv/userdrv.c
    branches/arwinss/reactos/dll/win32/winent.drv/winent.h
    branches/arwinss/reactos/dll/win32/winent.drv/wnd.c

Modified: branches/arwinss/reactos/dll/win32/winent.drv/userdrv.c
URL:
http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/dll/win32/winen…
==============================================================================
--- branches/arwinss/reactos/dll/win32/winent.drv/userdrv.c [iso-8859-1] (original)
+++ branches/arwinss/reactos/dll/win32/winent.drv/userdrv.c [iso-8859-1] Mon Dec  6
14:13:08 2010
@@ -583,11 +583,11 @@
     if (hwnd)
     {
         /* Capturing */
-        FIXME("Capture set for hwnd %x\n", hwnd);
+        TRACE("Capture set for hwnd %x\n", hwnd);
     }
     else
     {
-        FIXME("Capture released\n");
+        TRACE("Capture released\n");
     }
 }
 
@@ -628,7 +628,27 @@
 
 void CDECL RosDrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 {
-    UNIMPLEMENTED;
+    struct ntdrv_win_data *data = NTDRV_get_win_data( hwnd );
+
+    if (!data) return;
+    if (parent == old_parent) return;
+
+    if (parent != GetDesktopWindow()) /* a child window */
+    {
+        if (old_parent == GetDesktopWindow())
+        {
+            /* destroy the old windows */
+            //destroy_whole_window( data, FALSE );
+            //destroy_icon_window( data );
+            FIXME("Should destroy hwnd %x\n", data->hwnd);
+        }
+    }
+    else  /* new top level window */
+    {
+        /* FIXME: we ignore errors since we can't really recover anyway */
+        //create_whole_window( data );
+        FIXME("Should create a new whole window for hwnd %x\n",
data->hwnd);
+    }
 }
 
 int CDECL RosDrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
@@ -658,6 +678,11 @@
 
         /* Do some magic... */
         TRACE("Window %x is being made visible1\n", hwnd);
+
+        if (data->whole_window && is_window_rect_mapped(
&data->window_rect ))
+        {
+            if (!data->mapped) map_window( data, style->styleNew );
+        }
     }
 
     if (offset == GWL_STYLE && (changed & WS_DISABLED))
@@ -737,14 +762,16 @@
                                     const RECT *window_rect, const RECT *rectClient,
                                     const RECT *visible_rect, const RECT *valid_rects )
 {
-    RECT old_whole_rect, old_client_rect;
+    RECT old_whole_rect, old_client_rect, old_window_rect;
     struct ntdrv_win_data *data = NTDRV_get_win_data(hwnd);
+    DWORD new_style = GetWindowLongW( hwnd, GWL_STYLE );
 
     if (!data) return;
 
     TRACE( "win %x pos changed. new vis rect %s, old whole rect %s, swp_flags %x
insert_after %x\n",
            hwnd, wine_dbgstr_rect(visible_rect),
wine_dbgstr_rect(&data->whole_rect), swp_flags, insert_after );
 
+    old_window_rect = data->window_rect;
     old_whole_rect  = data->whole_rect;
     old_client_rect = data->client_rect;
     data->window_rect = *window_rect;
@@ -778,18 +805,38 @@
 
     if (!data->whole_window) return;
 
-    /* Sync position change */
-    if (!(swp_flags & SWP_NOREDRAW)) // HACK: When removing this, explorer's
start menu starts to appear partially. Investigate!
-    {
-        /* SWM: Change windows position */
-        SwmPosChanged(hwnd, &data->whole_rect, &old_whole_rect, insert_after,
swp_flags);
+    /* Sync window position with the SWM */
+    sync_window_position( data, swp_flags,
+                          &old_window_rect, &old_whole_rect, &old_client_rect
);
+
+    if (data->mapped)
+    {
+        if (((swp_flags & SWP_HIDEWINDOW) && !(new_style & WS_VISIBLE))
||
+            (!is_window_rect_mapped( window_rect ) && is_window_rect_mapped(
&old_window_rect )))
+            unmap_window( data );
     }
 
     /* Pass show/hide information to the window manager */
-    if (swp_flags & SWP_SHOWWINDOW)
-        SwmShowWindow(hwnd, TRUE, swp_flags);
-    else if (swp_flags & SWP_HIDEWINDOW)
-        SwmShowWindow(hwnd, FALSE, swp_flags);
+    if ((new_style & WS_VISIBLE) &&
+        ((new_style & WS_MINIMIZE) || is_window_rect_mapped( window_rect )))
+    {
+        //if (!data->mapped || (swp_flags & (SWP_FRAMECHANGED|SWP_STATECHANGED)))
+            //set_wm_hints( display, data );
+
+        if (!data->mapped)
+        {
+            map_window( data, new_style );
+        }
+        else if ((swp_flags & SWP_STATECHANGED) && (!data->iconic !=
!(new_style & WS_MINIMIZE)))
+        {
+            data->iconic = (new_style & WS_MINIMIZE) != 0;
+            FIXME( "changing win %p iconic state to %u\n", data->hwnd,
data->iconic );
+            //if (data->iconic)
+            //    XIconifyWindow( display, data->whole_window, DefaultScreen(display)
);
+            //else if (is_window_rect_mapped( rectWindow ))
+            //    XMapWindow( display, data->whole_window );
+        }
+    }
 }
 
 /* EOF */

Modified: branches/arwinss/reactos/dll/win32/winent.drv/winent.h
URL:
http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/dll/win32/winen…
==============================================================================
--- branches/arwinss/reactos/dll/win32/winent.drv/winent.h [iso-8859-1] (original)
+++ branches/arwinss/reactos/dll/win32/winent.drv/winent.h [iso-8859-1] Mon Dec  6
14:13:08 2010
@@ -37,6 +37,9 @@
     RECT        whole_rect;     /* X window rectangle for the whole window relative to
parent */
     RECT        client_rect;    /* client area relative to parent */
     HCURSOR     cursor;         /* current cursor */
+    BOOL        mapped : 1;     /* is window mapped? (in either normal or iconic state)
*/
+    BOOL        iconic : 1;     /* is window in iconic state? */
+    BOOL        shaped : 1;     /* is window using a custom region shape? */
 };
 
 /* clipboard.c */
@@ -84,3 +87,9 @@
 struct ntdrv_win_data *NTDRV_create_desktop_win_data( HWND hwnd );
 void NTDRV_destroy_win_data( HWND hwnd );
 VOID CDECL RosDrv_UpdateZOrder(HWND hwnd, RECT *rect);
+void map_window( struct ntdrv_win_data *data, DWORD new_style );
+void unmap_window( struct ntdrv_win_data *data );
+BOOL is_window_rect_mapped( const RECT *rect );
+void sync_window_position( struct ntdrv_win_data *data,
+                           UINT swp_flags, const RECT *old_window_rect,
+                           const RECT *old_whole_rect, const RECT *old_client_rect );

Modified: branches/arwinss/reactos/dll/win32/winent.drv/wnd.c
URL:
http://svn.reactos.org/svn/reactos/branches/arwinss/reactos/dll/win32/winen…
==============================================================================
--- branches/arwinss/reactos/dll/win32/winent.drv/wnd.c [iso-8859-1] (original)
+++ branches/arwinss/reactos/dll/win32/winent.drv/wnd.c [iso-8859-1] Mon Dec  6 14:13:08
2010
@@ -194,5 +194,95 @@
     SwmRemoveWindow( hwnd );
 }
 
+/***********************************************************************
+ *     map_window
+ */
+void map_window( struct ntdrv_win_data *data, DWORD new_style )
+{
+    TRACE( "win %p/%lx\n", data->hwnd, data->whole_window );
+
+    SwmShowWindow( data->hwnd, TRUE, 0);
+
+    data->mapped = TRUE;
+    data->iconic = (new_style & WS_MINIMIZE) != 0;
+}
+
+
+/***********************************************************************
+ *     unmap_window
+ */
+void unmap_window( struct ntdrv_win_data *data )
+{
+    TRACE( "win %p/%lx\n", data->hwnd, data->whole_window );
+
+    SwmShowWindow( data->hwnd, FALSE, 0);
+
+    data->mapped = FALSE;
+    //data->net_wm_state = 0;
+}
+
+/***********************************************************************
+ *		is_window_rect_mapped
+ *
+ * Check if the SWM whole window should be mapped based on its rectangle
+ */
+BOOL is_window_rect_mapped( const RECT *rect )
+{
+    /* don't map if rect is off-screen */
+    /*if (rect->left >= virtual_screen_rect.right ||
+        rect->top >= virtual_screen_rect.bottom ||
+        rect->right <= virtual_screen_rect.left ||
+        rect->bottom <= virtual_screen_rect.top)
+        return FALSE;*/
+
+    return TRUE;
+}
+
+/***********************************************************************
+ *		sync_window_position
+ *
+ * Synchronize the SWM window position with the Windows one
+ */
+void sync_window_position( struct ntdrv_win_data *data,
+                           UINT swp_flags, const RECT *old_window_rect,
+                           const RECT *old_whole_rect, const RECT *old_client_rect )
+{
+    SwmPosChanged(data->hwnd, &data->whole_rect, old_whole_rect, NULL,
swp_flags);
+
+    if (!(swp_flags & SWP_NOZORDER) || (swp_flags & SWP_SHOWWINDOW))
+    {
+        /* find window that this one must be after */
+        HWND prev = GetWindow( data->hwnd, GW_HWNDPREV );
+        while (prev && !(GetWindowLongW( prev, GWL_STYLE ) & WS_VISIBLE))
+            prev = GetWindow( prev, GW_HWNDPREV );
+        if (!prev)  /* top child */
+        {
+            /* Bring this window to foreground */
+            SwmSetForeground(data->hwnd);
+        }
+        /* should use stack_mode Below but most window managers don't get it right
*/
+        /* and Above with a sibling doesn't work so well either, so we ignore it */
+    }
+
+#ifdef HAVE_LIBXSHAPE
+    if (IsRectEmpty( old_window_rect ) != IsRectEmpty( &data->window_rect ))
+        sync_window_region( display, data, (HRGN)1 );
+    if (data->shaped)
+    {
+        int old_x_offset = old_window_rect->left - old_whole_rect->left;
+        int old_y_offset = old_window_rect->top - old_whole_rect->top;
+        int new_x_offset = data->window_rect.left - data->whole_rect.left;
+        int new_y_offset = data->window_rect.top - data->whole_rect.top;
+        if (old_x_offset != new_x_offset || old_y_offset != new_y_offset)
+            XShapeOffsetShape( display, data->whole_window, ShapeBounding,
+                               new_x_offset - old_x_offset, new_y_offset - old_y_offset
);
+    }
+#endif
+
+    TRACE( "win %p/%lx pos %d,%d,%dx%d\n",
+           data->hwnd, data->whole_window, data->whole_rect.left,
data->whole_rect.top,
+           data->whole_rect.right - data->whole_rect.left,
+           data->whole_rect.bottom - data->whole_rect.top );
+}
 
 /* EOF */