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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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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_system.h" |
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#include "gx_widget.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_show 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 shows the widget. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* widget Pointer to widget */ |
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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_widget_event_process_function] Call widget event processing */ |
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/* _gx_widget_clipping_update Update the clipping area */ |
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/* _gx_system_dirty_mark Mark a widget as dirty */ |
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/* _gx_window_view_update_detect Detect window view area for */ |
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/* update */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* GUIX Internal Code */ |
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/* */ |
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/**************************************************************************/ |
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UINT _gx_widget_show(GX_WIDGET *widget) |
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{ |
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GX_EVENT show_event; |
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GX_WINDOW *win; |
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show_event.gx_event_target = GX_NULL; |
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widget -> gx_widget_status &= ~GX_STATUS_HIDDEN; |
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✓✓ |
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if (!(widget -> gx_widget_status & GX_STATUS_VISIBLE)) |
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{ |
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/* Send a GX_SHOW event to widget and all children of the widget. */ |
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show_event.gx_event_type = GX_EVENT_SHOW; |
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/* Call widget's event processing. */ |
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widget -> gx_widget_event_process_function(widget, &show_event); |
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/* update the clipping for this widget */ |
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_gx_widget_clipping_update(widget); |
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_gx_system_dirty_mark(widget); |
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✓✓ |
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if (widget -> gx_widget_type >= GX_TYPE_WINDOW) |
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{ |
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win = (GX_WINDOW *)widget; |
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✓✓ |
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if (win -> gx_window_views) |
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{ |
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_gx_system_views_free(win -> gx_window_views); |
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win -> gx_window_views = GX_NULL; |
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} |
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_gx_window_view_update_detect(win); |
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} |
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✓✓ |
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if ((widget -> gx_widget_status & GX_STATUS_ACCEPTS_FOCUS) && |
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✓✓ |
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widget -> gx_widget_parent) |
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{ |
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/* if this widget was part of navigation order, re-create nav order list */ |
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_gx_widget_nav_order_initialize(widget -> gx_widget_parent); |
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} |
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} |
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/* Return successful completion. */ |
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return(GX_SUCCESS); |
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} |
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