GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: gx_system_view_split.c Lines: 35 35 100.0 %
Date: 2024-12-05 08:52:37 Branches: 16 16 100.0 %

Line Branch Exec Source
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/***************************************************************************
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 * Copyright (c) 2024 Microsoft Corporation
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 *
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 * This program and the accompanying materials are made available under the
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 * terms of the MIT License which is available at
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 * https://opensource.org/licenses/MIT.
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 *
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 * SPDX-License-Identifier: MIT
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 **************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/**                                                                       */
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/** GUIX Component                                                        */
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/**                                                                       */
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/**   System Management (System)                                          */
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/**                                                                       */
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/**************************************************************************/
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#define GX_SOURCE_CODE
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/* Include necessary system files.  */
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#include "gx_api.h"
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#include "gx_system.h"
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#include "gx_utility.h"
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/**************************************************************************/
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/*                                                                        */
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/*  FUNCTION                                               RELEASE        */
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/*                                                                        */
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/*    _gx_system_view_split                               PORTABLE C      */
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/*                                                           6.1          */
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/*  AUTHOR                                                                */
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/*                                                                        */
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/*    Kenneth Maxwell, Microsoft Corporation                              */
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/*                                                                        */
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/*  DESCRIPTION                                                           */
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/*                                                                        */
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/*    This splits a rectangle into over and under views                   */
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/*                                                                        */
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/*  INPUT                                                                 */
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/*                                                                        */
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/*    over                                  Pointer to window on top      */
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/*    root                                  Pointer to root window        */
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/*    original                              Rectangle to split into       */
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/*                                            smaller chunks              */
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/*                                                                        */
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/*  OUTPUT                                                                */
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/*                                                                        */
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/*    None                                                                */
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/*                                                                        */
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/*  CALLS                                                                 */
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/*                                                                        */
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/*    gx_system_root_view_add               Add viewport to root window   */
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/*                                                                        */
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/*  CALLED BY                                                             */
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/*                                                                        */
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/*    _gx_system_root_view_add              Add view to a root window     */
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/*                                                                        */
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/*  RELEASE HISTORY                                                       */
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/*                                                                        */
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/*    DATE              NAME                      DESCRIPTION             */
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/*                                                                        */
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/*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
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/*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
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/*                                            resulting in version 6.1    */
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/*                                                                        */
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/**************************************************************************/
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VOID _gx_system_view_split(GX_WINDOW *over, GX_WINDOW_ROOT *root, GX_RECTANGLE *original)
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{
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GX_RECTANGLE split;
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GX_RECTANGLE oversize = over -> gx_widget_size;
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    /* check to see if any area on top is exposed */
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    if (oversize.gx_rectangle_top > original -> gx_rectangle_top)
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    {
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        split.gx_rectangle_left = original -> gx_rectangle_left;
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        split.gx_rectangle_right = original -> gx_rectangle_right;
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        split.gx_rectangle_top = original -> gx_rectangle_top;
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        split.gx_rectangle_bottom = (GX_VALUE)(oversize.gx_rectangle_top - 1);
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        /* try to add this piece to the 'under' window's viewports */
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        _gx_system_root_view_add(root, &split);
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    }
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    /* check to see if any area on bottom is exposed */
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    if (oversize.gx_rectangle_bottom < original -> gx_rectangle_bottom)
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    {
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        split.gx_rectangle_left = original -> gx_rectangle_left;
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        split.gx_rectangle_right = original -> gx_rectangle_right;
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        split.gx_rectangle_top = (GX_VALUE)(oversize.gx_rectangle_bottom + 1);
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        split.gx_rectangle_bottom = original -> gx_rectangle_bottom;
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        /* try to add this piece to the 'under' window's viewports */
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        _gx_system_root_view_add(root, &split);
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    }
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    /* check to see if any area on left is exposed */
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    if (oversize.gx_rectangle_left > original -> gx_rectangle_left)
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    {
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        split.gx_rectangle_left = original -> gx_rectangle_left;
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        split.gx_rectangle_right = (GX_VALUE)(oversize.gx_rectangle_left - 1);
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        if (original -> gx_rectangle_top > oversize.gx_rectangle_top)
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        {
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            split.gx_rectangle_top = original -> gx_rectangle_top;
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        }
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        else
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        {
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            split.gx_rectangle_top = oversize.gx_rectangle_top;
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        }
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        if (original -> gx_rectangle_bottom < oversize.gx_rectangle_bottom)
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        {
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            split.gx_rectangle_bottom = original -> gx_rectangle_bottom;
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        }
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        else
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        {
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            split.gx_rectangle_bottom = oversize.gx_rectangle_bottom;
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        }
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        /* try to add this piece to the 'under' window's viewports */
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        _gx_system_root_view_add(root, &split);
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    }
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    /* check to see if any area on right is exposed */
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    if (oversize.gx_rectangle_right < original -> gx_rectangle_right)
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    {
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        split.gx_rectangle_left = (GX_VALUE)(oversize.gx_rectangle_right + 1);
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        split.gx_rectangle_right = original -> gx_rectangle_right;
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        if (original -> gx_rectangle_top > oversize.gx_rectangle_top)
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        {
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            split.gx_rectangle_top = original -> gx_rectangle_top;
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        }
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        else
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        {
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            split.gx_rectangle_top = oversize.gx_rectangle_top;
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        }
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        if (original -> gx_rectangle_bottom < oversize.gx_rectangle_bottom)
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        {
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            split.gx_rectangle_bottom = original -> gx_rectangle_bottom;
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        }
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        else
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        {
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            split.gx_rectangle_bottom = oversize.gx_rectangle_bottom;
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        }
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        /* try to add this piece to the 'under' window's viewports */
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        _gx_system_root_view_add(root, &split);
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    }
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}
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