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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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/** Tree View Management (Tree View) */ |
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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_tree_view.h" |
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#include "gx_system.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_tree_view_selected_visible 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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/* Internal helper function to make selected item visible. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* tree Pointer to the tree view */ |
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/* control block */ |
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/* selected New selected item */ |
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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_tree_view_position Reposition tree view childdren*/ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_tree_view_selected_set */ |
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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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static UINT _gx_tree_view_selected_visible(GX_TREE_VIEW *tree) |
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{ |
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GX_WIDGET *parent; |
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GX_WIDGET *selected = tree -> gx_tree_view_selected; |
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GX_MENU_LIST *list; |
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parent = selected -> gx_widget_parent; |
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✓✓ |
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while (parent != (GX_WIDGET *)tree) |
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{ |
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✓✓ |
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if (parent -> gx_widget_type == GX_TYPE_MENU_LIST) |
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{ |
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list = (GX_MENU_LIST *)parent; |
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list -> gx_menu_list_owner -> gx_widget_style |= GX_STYLE_MENU_EXPANDED; |
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parent = list -> gx_menu_list_owner; |
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} |
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else |
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{ |
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parent = parent -> gx_widget_parent; |
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} |
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} |
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_gx_tree_view_position(tree); |
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return GX_SUCCESS; |
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} |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_tree_view_selected_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 set selected item for the specified tree view. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* tree Pointer to the tree view */ |
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/* control block */ |
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/* selected New selected item */ |
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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_system_dirty_mark Mark the widget area as dirty */ |
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/* _gx_widget_event_generate Create an event and send it to*/ |
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/* the widget parent */ |
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/* _gx_tree_view_selected_visible Make selected item visible. */ |
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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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/* 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_tree_view_selected_set(GX_TREE_VIEW *tree, GX_WIDGET *selected) |
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{ |
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✓✓ |
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if (tree -> gx_tree_view_selected == selected) |
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{ |
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return GX_SUCCESS; |
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} |
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✓✓ |
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if (tree -> gx_tree_view_selected) |
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{ |
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tree -> gx_tree_view_selected -> gx_widget_style &= ~GX_STYLE_DRAW_SELECTED; |
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_gx_system_dirty_mark(tree -> gx_tree_view_selected); |
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} |
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selected -> gx_widget_style |= GX_STYLE_DRAW_SELECTED; |
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tree -> gx_tree_view_selected = selected; |
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✓✓ |
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if (tree -> gx_widget_id) |
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{ |
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/* Generate tree select event. */ |
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_gx_widget_event_generate((GX_WIDGET *)tree, GX_EVENT_TREE_SELECT, selected -> gx_widget_id); |
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} |
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✓✓ |
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if (!(selected -> gx_widget_status & GX_STATUS_VISIBLE)) |
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{ |
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_gx_tree_view_selected_visible(tree); |
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} |
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_gx_system_dirty_mark(selected); |
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/* Return completion status code. */ |
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return(GX_SUCCESS); |
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} |