GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: gx_widget_style_set.c Lines: 27 27 100.0 %
Date: 2024-12-05 08:52:37 Branches: 18 18 100.0 %

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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/**   Widget Management (Widget)                                          */
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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_widget.h"
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#include "gx_system.h"
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#include "gx_window.h"
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/**************************************************************************/
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/*                                                                        */
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/*  FUNCTION                                               RELEASE        */
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/*                                                                        */
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/*    _gx_widget_style_set                                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 function updates the style of the specified widget.            */
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/*                                                                        */
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/*  INPUT                                                                 */
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/*                                                                        */
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/*    widget                                Widget control block          */
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/*    style                                 New style                     */
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/*                                                                        */
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/*  OUTPUT                                                                */
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/*                                                                        */
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/*    status                                Completion status             */
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/*                                                                        */
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/*  CALLS                                                                 */
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/*                                                                        */
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/*    _gx_window_view_update_detect         Detect if views changed       */
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/*    _gx_system_dirty_mark                 Mark the widget as dirty      */
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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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UINT  _gx_widget_style_set(GX_WIDGET *widget, ULONG style)
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{
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GX_WINDOW *window;
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GX_EVENT   my_event;
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ULONG      old_style = widget -> gx_widget_style;
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    /* Update the widget style.  */
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    widget -> gx_widget_style = style;
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    if (style & GX_STYLE_TRANSPARENT)
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    {
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        if (!(widget -> gx_widget_status & GX_STATUS_TRANSPARENT))
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        {
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            /* If we are changing a window transparency and the window is visible,
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               we have to check to see if viewports need to be updated
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             */
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            if (widget -> gx_widget_type >= GX_TYPE_WINDOW &&
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                widget -> gx_widget_status & GX_STATUS_VISIBLE)
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            {
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                window = (GX_WINDOW *)widget;
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                _gx_window_view_update_detect(window);
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            }
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            widget -> gx_widget_status |= GX_STATUS_TRANSPARENT;
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        }
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    }
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    else
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    {
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        if (widget -> gx_widget_status & GX_STATUS_TRANSPARENT)
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        {
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            /* If we are changing a window transparency and the window is visible,
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                we have to check to see if viewports need to be updated
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             */
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            if (widget -> gx_widget_type >= GX_TYPE_WINDOW &&
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                widget -> gx_widget_status & GX_STATUS_VISIBLE)
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            {
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                window = (GX_WINDOW *)widget;
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                _gx_window_view_update_detect(window);
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            }
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            widget -> gx_widget_status &= ~GX_STATUS_TRANSPARENT;
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        }
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    }
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    if (widget -> gx_widget_style & GX_STYLE_ENABLED)
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    {
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        _gx_widget_status_add(widget, GX_STATUS_SELECTABLE);
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    }
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    else
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    {
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        _gx_widget_status_remove(widget, GX_STATUS_SELECTABLE);
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    }
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    if (widget -> gx_widget_status & GX_STATUS_VISIBLE)
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    {
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        _gx_system_dirty_mark(widget);
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    }
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    /* notify widget of style modification */
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    memset(&my_event, 0, sizeof(GX_EVENT));
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    my_event.gx_event_payload.gx_event_ulongdata = old_style;
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    my_event.gx_event_type = GX_EVENT_STYLE_CHANGED;
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    my_event.gx_event_target = widget;
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    _gx_system_event_fold(&my_event);
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    return(GX_SUCCESS);
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}
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