126 lines
3.9 KiB
C
126 lines
3.9 KiB
C
/****************************************************************************
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* libs/libnx/nxtk/nxtk_setsubwindows.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdlib.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/nx/nx.h>
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#include "nxtk.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxtk_setsubwindows
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*
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* Description:
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* Give the window dimensions, border width, and toolbar height,
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* calculate the new dimensions of the toolbar region and client window
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* region
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*
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****************************************************************************/
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void nxtk_setsubwindows(FAR struct nxtk_framedwindow_s *fwnd)
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{
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nxgl_coord_t fullheight;
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nxgl_coord_t bdrheight = 0;
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nxgl_coord_t tbtop = fwnd->wnd.bounds.pt1.y;
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nxgl_coord_t tbheight = 0;
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nxgl_coord_t fwtop = fwnd->wnd.bounds.pt1.y;
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nxgl_coord_t fwheight = 0;
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nxgl_coord_t fullwidth;
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nxgl_coord_t bdrwidth;
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nxgl_coord_t fwwidth;
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nxgl_coord_t fwleft;
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/* Divide up the vertical dimension of the window */
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fullheight = fwnd->wnd.bounds.pt2.y - fwnd->wnd.bounds.pt1.y + 1;
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/* Is it tall enough for a border? */
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if (fullheight > 0)
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{
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/* Get the border height */
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bdrheight = ngl_min(2 * CONFIG_NXTK_BORDERWIDTH, fullheight);
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/* Position the toolbar and client window just under the top border */
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#if CONFIG_NXTK_BORDERWIDTH > 1
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tbtop += CONFIG_NXTK_BORDERWIDTH - 1;
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fwtop = tbtop + 1;
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#else
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tbtop += CONFIG_NXTK_BORDERWIDTH;
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fwtop = tbtop;
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#endif
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/* Is it big enough for any part of the toolbar? */
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if (fullheight > 2 * CONFIG_NXTK_BORDERWIDTH)
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{
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/* Yes.. get the height of the toolbar */
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tbheight = fwnd->tbheight;
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if (tbheight >= fullheight - bdrheight)
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{
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tbheight = fullheight - bdrheight;
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}
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else
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{
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/* And the client window gets whatever is left */
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fwheight = fullheight - bdrheight - tbheight;
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}
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/* Position the client window just under the toolbar */
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fwtop += tbheight;
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}
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}
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/* Divide up the horizontal dimensions of the window */
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fullwidth = fwnd->wnd.bounds.pt2.x - fwnd->wnd.bounds.pt1.x + 1;
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bdrwidth = ngl_min(2 * CONFIG_NXTK_BORDERWIDTH, fullwidth);
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fwwidth = fullwidth - bdrwidth;
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fwleft = fwnd->wnd.bounds.pt1.x + bdrwidth / 2;
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/* Realize the positions/dimensions */
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fwnd->tbrect.pt1.x = fwleft;
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fwnd->tbrect.pt1.y = tbtop;
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fwnd->tbrect.pt2.x = fwleft + fwwidth - 1;
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fwnd->tbrect.pt2.y = tbtop + tbheight - 1;
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fwnd->fwrect.pt1.x = fwleft;
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fwnd->fwrect.pt1.y = fwtop;
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fwnd->fwrect.pt2.x = fwleft + fwwidth - 1;
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fwnd->fwrect.pt2.y = fwtop + fwheight - 1;
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}
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