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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_pixelmap_button_draw 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 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 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_context_pixelmap_get Retrieve pixelmap image */ |
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/* _gx_canvas_pixelmap_draw Draw the pixelmap */ |
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/* _gx_button_draw Draw the button */ |
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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_pixelmap_button_draw(GX_PIXELMAP_BUTTON *button) |
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{ |
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GX_RESOURCE_ID pixelmap; |
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GX_PIXELMAP *map; |
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GX_WIDGET *widget = (GX_WIDGET *)button; |
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INT xpos; |
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INT ypos; |
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/* default to using the normal pixlemap */ |
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pixelmap = button -> gx_pixelmap_button_normal_id; |
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/* If the button is not enabled and the user provided |
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a disabled pixelmap, use that */ |
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✓✓ |
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if (button -> gx_pixelmap_button_disabled_id && |
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✓✓ |
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!(button -> gx_widget_style & GX_STYLE_ENABLED)) |
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{ |
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pixelmap = button -> gx_pixelmap_button_disabled_id; |
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} |
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else |
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{ |
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/* otherwise, if the button is pushed used the selected pixelmap */ |
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✓✓ |
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if (button -> gx_widget_style & GX_STYLE_BUTTON_PUSHED) |
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{ |
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✓✓ |
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if (button -> gx_pixelmap_button_selected_id) |
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{ |
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pixelmap = button -> gx_pixelmap_button_selected_id; |
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} |
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} |
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} |
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✓✓ |
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if (!(button -> gx_widget_style & GX_STYLE_ENABLED)) |
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{ |
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✓✓ |
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if (button -> gx_pixelmap_button_disabled_id) |
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{ |
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pixelmap = button -> gx_pixelmap_button_disabled_id; |
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} |
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} |
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_gx_context_pixelmap_get(pixelmap, &map); |
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✓✓ |
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if (map) |
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{ |
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✓✓✓ |
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switch (button -> 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 = button -> gx_widget_size.gx_rectangle_right - |
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button -> 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 += button -> gx_widget_size.gx_rectangle_left; |
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break; |
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case GX_STYLE_HALIGN_RIGHT: |
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xpos = button -> gx_widget_size.gx_rectangle_right - map -> gx_pixelmap_width + 1; |
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break; |
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default: |
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xpos = button -> gx_widget_size.gx_rectangle_left; |
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break; |
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} |
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✓✓✓ |
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switch (button -> 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 = button -> gx_widget_size.gx_rectangle_bottom - |
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button -> 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 += button -> gx_widget_size.gx_rectangle_top; |
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break; |
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case GX_STYLE_VALIGN_BOTTOM: |
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ypos = button -> gx_widget_size.gx_rectangle_bottom - map -> gx_pixelmap_height + 1; |
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break; |
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default: |
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ypos = button -> gx_widget_size.gx_rectangle_top; |
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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((GX_VALUE)xpos, (GX_VALUE)ypos, map); |
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} |
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else |
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{ |
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/* If I don't have a pixelmap and not transparent, |
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draw something |
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*/ |
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✓✓ |
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if (!(widget -> gx_widget_style & GX_STYLE_TRANSPARENT)) |
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{ |
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_gx_button_draw((GX_BUTTON *)button); |
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} |
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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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