unleashed-firmware/applications/gui/elements.c
あく d3ff787864
GUI: abolish API injection into instances. (#265)
* GUI: abolish API injection into instances. Update usage by 3rd party apps.
* GUI: update documentation. Cleanup api usage. Adjust status bar item spacing.
2020-12-14 13:50:32 +03:00

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1.2 KiB
C

#include "elements.h"
void elements_scrollbar(Canvas* 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(Canvas* 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);
}