static void mui_layout(mui_handle_t *mui)
{
void *fb_buf;
float scale_factor;
int new_font_size;
unsigned width, height, new_header_height;
video_driver_get_size(&width, &height);
/* Mobiles platforms may have very small display metrics coupled to a high
resolution, so we should be dpi aware to ensure the entries hitboxes are
big enough. On desktops, we just care about readability, with every widget
size proportional to the display width. */
menu_display_ctl(MENU_DISPLAY_CTL_GET_DPI, &scale_factor);
new_header_height = scale_factor / 3;
new_font_size = scale_factor / 9;
mui->shadow_height = scale_factor / 36;
mui->scrollbar_width = scale_factor / 36;
mui->tabs_height = scale_factor / 3;
mui->line_height = scale_factor / 3;
mui->margin = scale_factor / 9;
mui->icon_size = scale_factor / 3;
menu_display_ctl(MENU_DISPLAY_CTL_SET_HEADER_HEIGHT, &new_header_height);
menu_display_ctl(MENU_DISPLAY_CTL_SET_FONT_SIZE, &new_font_size);
/* we assume the average glyph aspect ratio is close to 3:4 */
mui->glyph_width = new_font_size * 3/4;
mui_font();
menu_display_ctl(MENU_DISPLAY_CTL_FONT_BUF, &fb_buf);
if (fb_buf) /* calculate a more realistic ticker_limit */
{
unsigned m_width = font_driver_get_message_width(fb_buf, "a", 1, 1);
if (m_width)
mui->glyph_width = m_width;
}
}
static float zarch_zui_strwidth(void *fb_buf, const char *text, float scale)
{
return font_driver_get_message_width(fb_buf, text, strlen(text), scale);
}
