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swaybar: fix tray item icon scaling, positioning

This commit is contained in:
Nathan Schulte 2021-10-08 02:45:17 -05:00 committed by Simon Ser
parent bb60381c75
commit 107d15fafd
1 changed files with 19 additions and 7 deletions
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26
swaybar/tray/item.c
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@ -493,24 +493,36 @@ uint32_t render_sni(cairo_t *cairo, struct swaybar_output *output, double *x,
cairo_destroy(cairo_icon);
}
int padded_size = icon_size + 2*padding;
*x -= padded_size;
int y = floor((height - padded_size) / 2.0);
double descaled_padding = (double)padding / output->scale;
double descaled_icon_size = (double)icon_size / output->scale;
int size = descaled_icon_size + 2 * descaled_padding;
*x -= size;
int icon_y = floor((output->height - size) / 2.0);
cairo_operator_t op = cairo_get_operator(cairo);
cairo_set_operator(cairo, CAIRO_OPERATOR_OVER);
cairo_set_source_surface(cairo, icon, *x + padding, y + padding);
cairo_rectangle(cairo, *x, y, padded_size, padded_size);
cairo_matrix_t scale_matrix;
cairo_pattern_t *icon_pattern = cairo_pattern_create_for_surface(icon);
// TODO: check cairo_pattern_status for "ENOMEM"
cairo_matrix_init_scale(&scale_matrix, output->scale, output->scale);
cairo_matrix_translate(&scale_matrix, -(*x + descaled_padding), -(icon_y + descaled_padding));
cairo_pattern_set_matrix(icon_pattern, &scale_matrix);
cairo_set_source(cairo, icon_pattern);
cairo_rectangle(cairo, *x, icon_y, size, size);
cairo_fill(cairo);
cairo_set_operator(cairo, op);
cairo_pattern_destroy(icon_pattern);
cairo_surface_destroy(icon);
struct swaybar_hotspot *hotspot = calloc(1, sizeof(struct swaybar_hotspot));
hotspot->x = *x;
hotspot->y = 0;
hotspot->width = height;
hotspot->height = height;
hotspot->width = size;
hotspot->height = output->height;
hotspot->callback = icon_hotspot_callback;
hotspot->destroy = free;
hotspot->data = strdup(sni->watcher_id);