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#include <math.h>
#include <cairo.h>
#include "x11.h"
#include "log.h"
#define EVEN(n) ((int)(n) - ((int)(n) % 2 != 0))
void draw(Window *win)
{
double scale = window_get_scale(win);
int screen_width, screen_height;
window_get_screen_size(win, &screen_width, &screen_height);
int width = EVEN(round(screen_width * 0.9875 * scale));
int height = EVEN(round(screen_height * 0.0225 * scale));
cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(surface);
cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
int radius = height / 2;
double degree = M_PI / 180.0;
cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
// TODO: Here we should paint the shape of the bar, however there is a problem with the surface
// painted in the pixmap to mask the window shape in window_paint_corners.
//
// This is caused by some difference between the two shapes (that should technically be the same)
// which causes a mismatch between the two layers and leaves some black pixels visible
//cairo_arc(cr, radius, radius, radius, 90.0 * degree, 270 * degree);
//cairo_arc(cr, width - radius, radius, radius, 270 * degree, 450 * degree);
//cairo_fill(cr);
cairo_paint(cr);
cairo_set_line_width(cr, 1 * scale);
for (int i = 0; i < 9; i++) {
int x = (height + cairo_get_line_width(cr) * scale * 2) * i;
// purple
cairo_set_source_rgb(cr, 0.502, 0.168, 0.886);
cairo_arc(cr, x + radius, radius, radius, 0 * degree, 360 * degree);
cairo_fill(cr);
cairo_set_source_rgb(cr, 0.8, 0.8, 0.8);
cairo_arc(cr, x + radius, radius, radius - 1, 0 * degree, 360 * degree);
cairo_stroke(cr);
cairo_select_font_face(cr, "Hack", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_set_font_size(cr, 20.0);
char btn[] = { '1' + i, '\0' };
cairo_text_extents_t te;
cairo_text_extents(cr, btn, &te);
cairo_move_to(cr, x + (height / 2) - te.x_bearing - te.width / 2,
(height / 2) - te.y_bearing - te.height / 2);
cairo_show_text(cr, btn);
}
cairo_destroy(cr);
int x = EVEN((screen_width - width) / 2.0);
int y = EVEN(screen_height * 0.005);
// TODO: Move these somewhere else
window_move(win, x, y);
window_resize(win, width, height);
window_paint_surface(win, surface, width, height);
cairo_surface_destroy(surface);
}
// vim: ts=4 sw=4 et
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