unleashed-firmware/applications/gui/elements.c

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#include "elements.h"
void elements_scrollbar(CanvasApi* canvas, uint8_t pos, uint8_t total) {
uint8_t width = canvas->width(canvas);
uint8_t height = canvas->height(canvas);
// prevent overflows
canvas->set_color(canvas, ColorWhite);
canvas->draw_box(canvas, width - 3, 0, 3, height);
// dot line
canvas->set_color(canvas, ColorBlack);
for(uint8_t i = 0; i < height; i += 2) {
canvas->draw_dot(canvas, width - 2, i);
}
// Position block
if(total) {
uint8_t block_h = ((float)height) / total;
canvas->draw_box(canvas, width - 3, block_h * pos, 3, block_h);
}
}
void elements_frame(CanvasApi* canvas, uint8_t x, uint8_t y, uint8_t width, uint8_t height) {
canvas->draw_line(canvas, x + 2, y, x + width - 2, y);
canvas->draw_line(canvas, x + 1, y + height - 1, x + width, y + height - 1);
canvas->draw_line(canvas, x + 2, y + height, x + width - 1, y + height);
canvas->draw_line(canvas, x, y + 2, x, y + height - 2);
canvas->draw_line(canvas, x + width - 1, y + 1, x + width - 1, y + height - 2);
canvas->draw_line(canvas, x + width, y + 2, x + width, y + height - 2);
canvas->draw_dot(canvas, x + 1, y + 1);
}