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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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#include "gx_widget.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_root_view_add 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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/* Adds a view to a root window, checking to detect if the view is */ |
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/* obscured by a child window */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* root Root window that we want to */ |
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/* add the view to. */ |
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/* inrect Rectangle defining the view */ |
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/* that we want to add. */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* view is added to root window or split into smaller views. */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_system_view_split Split a view */ |
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/* _gx_system_view_add Add view to window */ |
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/* _gx_utility_rectangle_overlap_detect Detect overlap of rectangles */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* GUIX Internal Code */ |
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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_root_view_add(GX_WINDOW_ROOT *root, GX_RECTANGLE *inrect) |
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{ |
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GX_RECTANGLE overlap; |
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GX_WINDOW *win = GX_NULL; |
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GX_WIDGET *widget; |
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/* pick up pointer to frontmost child window */ |
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widget = root -> gx_widget_last_child; |
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✓✓ |
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while (widget) |
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{ |
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✓✓ |
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if (widget -> gx_widget_type >= GX_TYPE_WINDOW && |
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✓✓ |
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(widget -> gx_widget_status & GX_STATUS_VISIBLE)) |
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{ |
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/* if this window is non-transparent, give it views */ |
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✓✓ |
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if (!(widget -> gx_widget_status & GX_STATUS_TRANSPARENT)) |
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{ |
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win = (GX_WINDOW *)widget; |
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✓✓ |
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if (_gx_utility_rectangle_overlap_detect(inrect, &win -> gx_widget_size, &overlap)) |
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{ |
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/* split the viewport into pieces */ |
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_gx_system_view_split(win, root, inrect); |
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/* add the overlap to the over window: */ |
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_gx_system_view_add(win, &overlap); |
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return; |
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} |
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} |
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} |
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widget = widget -> gx_widget_previous; |
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} |
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/* if we didn't split the view, then add it here */ |
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_gx_system_view_add((GX_WINDOW *)root, inrect); |
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} |
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