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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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/** 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_system.h" |
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#include "gx_widget.h" |
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#include "gx_button.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_pixelmap_slider_event_process 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 processes events for the specified slider widget. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* slider Slider's widget control block */ |
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/* event_ptr Incoming event to process */ |
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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_slider_value_calcualte Compute the slider value */ |
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/* _gx_widget_event_process Default widget event process */ |
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/* _gx_pixelmap_slider_pixelmap_update Update the pixelmap in slider */ |
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/* widget */ |
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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_pixelmap_slider_event_process(GX_PIXELMAP_SLIDER *slider, GX_EVENT *event_ptr) |
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{ |
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UINT status; |
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INT pos; |
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/* Default status to success. */ |
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status = GX_SUCCESS; |
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/* Process relative to the type of event. */ |
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✓✓✓✓
✓ |
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switch (event_ptr -> gx_event_type) |
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{ |
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case GX_EVENT_PEN_DOWN: |
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/* Set style for pen down. */ |
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slider -> gx_widget_style |= GX_STYLE_BUTTON_PUSHED; |
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✓✓ |
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if (slider -> gx_widget_style & GX_STYLE_SLIDER_VERTICAL) |
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{ |
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pos = event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_y; |
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} |
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else |
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{ |
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pos = event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_x; |
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} |
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_gx_slider_value_calculate((GX_SLIDER *)slider, &slider -> gx_slider_info, pos); |
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break; |
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case GX_EVENT_PEN_UP: |
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/* Set style for pen down. */ |
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slider -> gx_widget_style &= ~GX_STYLE_BUTTON_PUSHED; |
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break; |
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case GX_EVENT_PEN_DRAG: |
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/* move my needle */ |
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✓✓ |
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if (slider -> gx_widget_style & GX_STYLE_BUTTON_PUSHED) |
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{ |
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✓✓ |
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if (slider -> gx_widget_style & GX_STYLE_SLIDER_VERTICAL) |
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{ |
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pos = event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_y; |
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} |
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else |
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{ |
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pos = event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_x; |
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} |
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_gx_slider_value_calculate((GX_SLIDER *)slider, &slider -> gx_slider_info, pos); |
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} |
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break; |
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case GX_EVENT_SHOW: |
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status = _gx_widget_event_process((GX_WIDGET *)slider, event_ptr); |
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_gx_pixelmap_slider_pixelmap_update(slider); |
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break; |
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default: |
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/* Call the widget default processing. */ |
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status = _gx_widget_event_process((GX_WIDGET *)slider, event_ptr); |
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} |
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/* Return completion status. */ |
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return(status); |
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} |
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