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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_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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/**************************************************************************/ |
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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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✓✓ |
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if (style & GX_STYLE_TRANSPARENT) |
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{ |
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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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✓✓ |
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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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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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✓✓ |
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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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✓✓ |
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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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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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✓✓ |
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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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✓✓ |
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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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