diff options
Diffstat (limited to 'nuttx/graphics/nxbe/nxbe_raise.c')
-rw-r--r-- | nuttx/graphics/nxbe/nxbe_raise.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/nuttx/graphics/nxbe/nxbe_raise.c b/nuttx/graphics/nxbe/nxbe_raise.c new file mode 100644 index 000000000..ef4c392c0 --- /dev/null +++ b/nuttx/graphics/nxbe/nxbe_raise.c @@ -0,0 +1,116 @@ +/**************************************************************************** + * graphics/nxbe/nxbe_raise.c + * + * Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <nuttx/nx/nxglib.h> + +#include "nxbe.h" +#include "nxfe.h" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +struct nxbe_raise_s +{ + struct nxbe_clipops_s cops; + FAR struct nxbe_window_s *wnd; +}; + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxbe_raise + * + * Description: + * Bring the specified window to the top of the display. + * + ****************************************************************************/ + +void nxbe_raise(FAR struct nxbe_window_s *wnd) +{ + FAR struct nxbe_state_s *be = wnd->be; + + /* If this window is already at the top of the display, then do nothing */ + + if (!wnd->above) + { + return; + } + + /* Remove window from the list. Note that there is always + * some below this window (it may only be the background window) + */ + + wnd->above->below = wnd->below; + wnd->below->above = wnd->above; + + /* Then put it back in the list at the top */ + + wnd->above = NULL; + wnd->below = be->topwnd; + + be->topwnd->above = wnd; + be->topwnd = wnd; + + /* This window is now at the top of the display, we know, therefore, that + * it is not obscured by another window + */ + + nxfe_redrawreq(wnd, &wnd->bounds); +} |