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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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/** Slider Management (Slider) */ |
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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_slider.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_slider_create 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 service creates a slider. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* slider Slider control block */ |
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/* name Name of prompt */ |
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/* parent Parent widget control block */ |
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/* tick_count Number of slider ticks */ |
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/* slider_info Pointer to slider info */ |
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/* style Style of slider */ |
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/* slider_id Application-defined ID of */ |
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/* slider */ |
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/* size Dimensions of slider */ |
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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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/* memset Set control block to zero */ |
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/* _gx_widget_create Create the underlying widget */ |
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/* _gx_widget_width_get Retrieve the width of the */ |
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/* widget */ |
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/* _gx_widget_height_get Retrieve the height of the */ |
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/* widget */ |
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/* _gx_widget_link Link the widget to its parent */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application 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_slider_create(GX_SLIDER *slider, GX_CONST GX_CHAR *name, |
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GX_WIDGET *parent, INT tick_count, |
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GX_SLIDER_INFO *slider_info, ULONG style, |
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USHORT slider_id, GX_CONST GX_RECTANGLE *size) |
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{ |
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/* Call the widget create function. */ |
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_gx_widget_create((GX_WIDGET *)slider, name, GX_NULL, style, slider_id, size); |
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/* Populate the rest of slider control block - overriding as necessary. */ |
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slider -> gx_widget_type = GX_TYPE_SLIDER; |
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slider -> gx_slider_info = *slider_info; |
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✓✓ |
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if (slider -> gx_slider_info.gx_slider_info_needle_width <= 0) |
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{ |
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✓✓ |
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if (style & GX_STYLE_SLIDER_VERTICAL) |
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{ |
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_gx_widget_width_get((GX_WIDGET *)slider, &slider -> gx_slider_info.gx_slider_info_needle_width); |
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slider -> gx_slider_info.gx_slider_info_needle_width /= 2; |
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} |
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else |
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{ |
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slider -> gx_slider_info.gx_slider_info_needle_width = GX_SLIDER_NEEDLE_WIDTH; |
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} |
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} |
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✓✓ |
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if (slider -> gx_slider_info.gx_slider_info_needle_height <= 0) |
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{ |
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✓✓ |
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if (style & GX_STYLE_SLIDER_VERTICAL) |
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{ |
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slider -> gx_slider_info.gx_slider_info_needle_height = GX_SLIDER_NEEDLE_WIDTH; |
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} |
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else |
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{ |
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_gx_widget_height_get((GX_WIDGET *)slider, &slider -> gx_slider_info.gx_slider_info_needle_height); |
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slider -> gx_slider_info.gx_slider_info_needle_height /= 2; |
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} |
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} |
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slider -> gx_widget_normal_fill_color = GX_COLOR_ID_BUTTON_UPPER; |
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slider -> gx_widget_selected_fill_color = GX_COLOR_ID_BUTTON_UPPER; |
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slider -> gx_slider_tick_color = GX_COLOR_ID_SLIDER_TICK; |
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slider -> gx_slider_tick_count = tick_count; |
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slider -> gx_widget_draw_function = (VOID (*)(GX_WIDGET *))_gx_slider_draw; |
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slider -> gx_widget_event_process_function = (UINT (*)(GX_WIDGET *, GX_EVENT *))_gx_slider_event_process; |
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/* Determine if a parent widget was provided. */ |
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✓✓ |
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if (parent) |
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{ |
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_gx_widget_link(parent, (GX_WIDGET *)slider); |
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} |
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/* Return the status from widget create. */ |
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return(GX_SUCCESS); |
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} |
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