123 lines
4.5 KiB
C
123 lines
4.5 KiB
C
/****************************************************************************
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* graphics/nxbe/nxbe_setsize.c
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*
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* Copyright (C) 2008 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 <sys/types.h>
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#include <nuttx/nxglib.h>
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#include "nxbe.h"
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#include "nxfe.h"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nxbe_setsize
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*
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* Descripton:
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* This function checks for intersections and redraws the display after
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* a change in the size of a window.
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*
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****************************************************************************/
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void nxbe_setsize(FAR struct nxbe_window_s *wnd,
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FAR const struct nxgl_size_s *size)
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{
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struct nxgl_rect_s bounds;
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#ifdef CONFIG_DEBUG
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if (!wnd)
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{
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return;
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}
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#endif
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/* Save the before size of the window's bounding box */
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nxgl_rectcopy(&bounds, &wnd->bounds);
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/* Add the window origin to the supplied size get the new window bounding box */
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wnd->bounds.pt2.x = wnd->bounds.pt1.x + size->w - 1;
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wnd->bounds.pt2.y = wnd->bounds.pt1.y + size->h - 1;
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/* Clip the new bounding box so that lies within the background screen */
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nxgl_rectintersect(&wnd->bounds, &wnd->bounds, &wnd->be->bkgd.bounds);
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/* We need to update the larger of the two rectangles. That will be the
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* union of the before and after sizes.
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*/
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nxgl_rectunion(&bounds, &bounds, &wnd->bounds);
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/* Report the new size/position */
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nxfe_reportposition(wnd);
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/* Then redraw this window AND all windows below it. Having resized the
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* window, we may have exposed previoulsy obscured portions of windows
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* below this one.
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*/
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nxbe_redrawbelow(wnd->be, wnd, &bounds);
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}
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