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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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/** Text 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_widget.h" |
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#include "gx_button.h" |
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#include "gx_canvas.h" |
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#include "gx_system.h" |
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#include "gx_context.h" |
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#include "gx_utility.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_multi_line_text_button_text_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 text of a multi-line text button. */ |
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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_widget_font_get Get the font */ |
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/* _gx_widget_border_width_get Get border width */ |
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/* _gx_context_font_set Set font */ |
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/* _gx_context_line_color_set Set line color */ |
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/* _gx_system_string_width_get Get the width of the string */ |
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/* _gx_canvas_text_draw Draw text string */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* System and Application Code */ |
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/* */ |
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/**************************************************************************/ |
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VOID _gx_multi_line_text_button_text_draw(GX_MULTI_LINE_TEXT_BUTTON *button) |
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{ |
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GX_WIDGET *widget; |
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INT xtextoffset = 0; |
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INT ytextoffset = 0; |
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INT xtextpos; |
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INT ytextpos; |
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INT text_height; |
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GX_VALUE text_width; |
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INT widget_height; |
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GX_VALUE widget_width; |
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INT line_index; |
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GX_FONT *font; |
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GX_RESOURCE_ID color; |
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GX_VALUE border_width; |
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GX_STRING *line; |
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/* Setup the button. */ |
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widget = (GX_WIDGET *)button; |
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/* draw the text lines */ |
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✓✓ |
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if (widget -> gx_widget_style & GX_STYLE_ENABLED) |
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{ |
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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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xtextoffset = ytextoffset = 1; |
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color = button -> gx_text_button_selected_text_color; |
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} |
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else |
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{ |
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color = button -> gx_text_button_normal_text_color; |
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} |
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} |
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else |
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{ |
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color = button -> gx_text_button_disabled_text_color; |
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} |
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_gx_context_font_get(button -> gx_text_button_font_id, &font); |
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✓✓ |
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if (font) |
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{ |
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text_height = button -> gx_multi_line_text_button_line_count * font -> gx_font_line_height; |
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widget_height = button -> gx_widget_size.gx_rectangle_bottom - button -> gx_widget_size.gx_rectangle_top + 1; |
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ytextpos = (widget_height - text_height) / 2; |
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ytextpos += button -> gx_widget_size.gx_rectangle_top; |
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_gx_widget_border_width_get(widget, &border_width); |
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_gx_context_font_set(button -> gx_text_button_font_id); |
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_gx_context_line_color_set(color); |
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✓✓ |
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for (line_index = 0; line_index < button -> gx_multi_line_text_button_line_count; line_index++) |
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{ |
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xtextpos = button -> gx_widget_size.gx_rectangle_left; |
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line = &button -> gx_multi_line_text_button_lines[line_index]; |
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✓✓ |
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if (line -> gx_string_ptr != GX_NULL) |
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{ |
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✓✓✓ |
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switch (widget -> gx_widget_style & GX_STYLE_TEXT_ALIGNMENT_MASK) |
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{ |
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case GX_STYLE_TEXT_RIGHT: |
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_gx_system_string_width_get_ext(font, line, &text_width); |
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_gx_widget_width_get(widget, &widget_width); |
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xtextpos += widget_width - 1; |
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xtextpos -= text_width + border_width; |
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break; |
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case GX_STYLE_TEXT_LEFT: |
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xtextpos += border_width; |
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break; |
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case GX_STYLE_TEXT_CENTER: |
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default: |
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_gx_system_string_width_get_ext(font, line, &text_width); |
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_gx_widget_width_get(widget, &widget_width); |
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xtextpos += ((widget_width - text_width) / 2); |
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break; |
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} |
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/* Draw the text. */ |
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_gx_canvas_text_draw_ext((GX_VALUE)(xtextpos + xtextoffset), (GX_VALUE)(ytextpos + ytextoffset), line); |
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} |
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ytextpos += font -> gx_font_line_height; |
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} |
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} |
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} |
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