diff options
Diffstat (limited to 'nuttx/graphics/nxtk/nxtk_setsubwindows.c')
-rw-r--r-- | nuttx/graphics/nxtk/nxtk_setsubwindows.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/nuttx/graphics/nxtk/nxtk_setsubwindows.c b/nuttx/graphics/nxtk/nxtk_setsubwindows.c new file mode 100644 index 000000000..143909ea4 --- /dev/null +++ b/nuttx/graphics/nxtk/nxtk_setsubwindows.c @@ -0,0 +1,165 @@ +/**************************************************************************** + * graphics/nxtk/nxtk_setsubwindows.c + * + * Copyright (C) 2008-2009 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 <stdlib.h> +#include <semaphore.h> +#include <debug.h> +#include <errno.h> + +#include <nuttx/nx/nx.h> +#include "nxtk_internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxtk_setsubwindows + * + * Description: + * Give the window dimensions, border width, and toolbar height, + * calculate the new dimensions of the toolbar region and client window + * region + * + ****************************************************************************/ + +void nxtk_setsubwindows(FAR struct nxtk_framedwindow_s *fwnd) +{ + nxgl_coord_t fullheight; + nxgl_coord_t bdrheight = 0; + nxgl_coord_t tbtop = fwnd->wnd.bounds.pt1.y; + nxgl_coord_t tbheight = 0; + nxgl_coord_t fwtop = fwnd->wnd.bounds.pt1.y; + nxgl_coord_t fwheight = 0; + nxgl_coord_t fullwidth; + nxgl_coord_t bdrwidth; + nxgl_coord_t fwwidth; + nxgl_coord_t fwleft; + + /* Divide up the vertical dimension of the window */ + + fullheight = fwnd->wnd.bounds.pt2.y - fwnd->wnd.bounds.pt1.y + 1; + + /* Is it tall enough for a border? */ + + if (fullheight > 0) + { + /* Get the border height */ + + bdrheight = ngl_min(2 * CONFIG_NXTK_BORDERWIDTH, fullheight); + + /* Position the toolbar and client window just under the top border */ + +#if CONFIG_NXTK_BORDERWIDTH > 1 + tbtop += CONFIG_NXTK_BORDERWIDTH - 1; + fwtop = tbtop + 1; +#else + tbtop += CONFIG_NXTK_BORDERWIDTH; + fwtop = tbtop; +#endif + + /* Is it big enough for any part of the toolbar? */ + + if (fullheight > 2 * CONFIG_NXTK_BORDERWIDTH) + { + /* Yes.. get the height of the toolbar */ + + tbheight = fwnd->tbheight; + if (tbheight >= fullheight - bdrheight) + { + tbheight = fullheight - bdrheight; + } + else + { + /* And the client window gets whatever is left */ + + fwheight = fullheight - bdrheight - tbheight; + } + + /* Position the client window just under the toolbar */ + + fwtop += tbheight; + } + } + + /* Divide up the horizontal dimensions of the window */ + + fullwidth = fwnd->wnd.bounds.pt2.x - fwnd->wnd.bounds.pt1.x + 1; + bdrwidth = ngl_min(2 * CONFIG_NXTK_BORDERWIDTH, fullwidth); + fwwidth = fullwidth - bdrwidth; + fwleft = fwnd->wnd.bounds.pt1.x + bdrwidth / 2; + + /* Realize the positions/dimensions */ + + fwnd->tbrect.pt1.x = fwleft; + fwnd->tbrect.pt1.y = tbtop; + fwnd->tbrect.pt2.x = fwleft + fwwidth - 1; + fwnd->tbrect.pt2.y = tbtop + tbheight - 1; + + fwnd->fwrect.pt1.x = fwleft; + fwnd->fwrect.pt1.y = fwtop; + fwnd->fwrect.pt2.x = fwleft + fwwidth - 1; + fwnd->fwrect.pt2.y = fwtop + fwheight - 1; +} |