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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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/** Button Management (Button) */ |
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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_canvas.h" |
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#include "gx_context.h" |
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#include "gx_widget.h" |
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#include "gx_button.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_icon_button_draw PORTABLE C */ |
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/* 6.1.9 */ |
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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 draws the specified button, which is a special type */ |
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/* of widget. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* button Icon button control block */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_button_background_draw Draw the button background */ |
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/* _gx_context_pixelmap_get Retrieve pixelmap image */ |
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/* _gx_widget_border_width_get Get the border width */ |
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/* _gx_canvas_pixelmap_draw Draw the pixelmap */ |
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/* _gx_widget_children_draw Draw children widgets */ |
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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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VOID _gx_icon_button_draw(GX_ICON_BUTTON *button) |
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{ |
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GX_WIDGET *widget; |
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GX_PIXELMAP *map; |
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GX_VALUE xpos; |
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GX_VALUE ypos; |
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GX_VALUE border; |
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INT shift = 0; |
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/* Setup the widget. */ |
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widget = (GX_WIDGET *)button; |
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/* draw the background button */ |
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_gx_button_background_draw((GX_BUTTON *)button); |
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/* draw the button icon */ |
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_gx_context_pixelmap_get(button -> gx_icon_button_icon_id, &map); |
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✓✓ |
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if (map) |
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{ |
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_gx_widget_border_width_get(widget, &border); |
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✓✓ |
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if (widget -> gx_widget_style & GX_STYLE_BUTTON_PUSHED) |
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{ |
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shift = 1; |
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} |
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✓✓✓ |
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switch (widget -> gx_widget_style & GX_PIXELMAP_HALIGN_MASK) |
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{ |
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case GX_STYLE_HALIGN_CENTER: |
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xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_right - |
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widget -> gx_widget_size.gx_rectangle_left - |
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map -> gx_pixelmap_width + 1); |
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xpos /= 2; |
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xpos = (GX_VALUE)(xpos + widget -> gx_widget_size.gx_rectangle_left + shift); |
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break; |
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case GX_STYLE_HALIGN_RIGHT: |
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xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_right - map -> gx_pixelmap_width - border + shift + 1); |
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break; |
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default: |
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xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_left + border + shift); |
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break; |
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} |
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✓✓✓ |
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switch (widget -> gx_widget_style & GX_PIXELMAP_VALIGN_MASK) |
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{ |
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case GX_STYLE_VALIGN_CENTER: |
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ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_bottom - |
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widget -> gx_widget_size.gx_rectangle_top - |
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map -> gx_pixelmap_height + 1); |
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ypos /= 2; |
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ypos = (GX_VALUE)(ypos + widget -> gx_widget_size.gx_rectangle_top + shift); |
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break; |
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case GX_STYLE_VALIGN_BOTTOM: |
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ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_bottom - map -> gx_pixelmap_height - border + shift + 1); |
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break; |
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default: |
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ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_top + border + shift); |
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break; |
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} |
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_gx_widget_context_fill_set(widget); |
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_gx_canvas_pixelmap_draw(xpos, ypos, map); |
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} |
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/* Draw button's children. */ |
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_gx_widget_children_draw(widget); |
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} |
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