Function calculate_player_selector_layout

win/win32/mhdlg.c:392–505

calculate the size and position of the controls taking into account the per-monitor DPI expressed as a scaling factor on sizes at 96 DPI */

/* calculate the size and position of the controls taking into account
   the per-monitor DPI expressed as a scaling factor on sizes at 96 DPI */
void 
calculate_player_selector_layout(plsel_data_t * data)
{
    MonitorInfo monitorInfo;
    win10_monitor_info(data->dialog, &monitorInfo);

    double scale = monitorInfo.scale;

    /* Note these hard coded sizes are in 96DPI pixels and must be 
       scaled by the per-monitor DPI scaling factor */
    int list_width = (int) (120 * scale);
    int group_border = (int) (16 * scale);
    int client_border = (int) (16 * scale);
    int group_spacing = (int) (16 * scale);
    int button_width = (int) (80 * scale);
    int button_height = (int) (28 * scale);

    /* set control sizes */
    control_t * name_box = &data->controls[psc_name_box];
    name_box->size.cx = (int) (280 * scale);
    name_box->size.cy = (int) (24 * scale);

    control_t * role_list = &data->controls[psc_role_list];
    /* NOTE: we don't scale the list view reported height as it appears these
             values are the actual size the control will be drawn at using the
             existing DPI value */
    role_list->size.cy = list_view_height(role_list->hWnd, data->role_count);
    role_list->size.cx = list_width;

    control_t * race_list = &data->controls[psc_race_list];
    race_list->size.cy = list_view_height(race_list->hWnd, data->race_count);
    race_list->size.cx = list_width;

    for(int i = psc_lawful_button; i <= psc_quit_button; i++) {
        data->controls[i].size.cx = button_width;
        data->controls[i].size.cy = button_height;
    }

    for(int i = 0; i < 3; i++) {
        control_t * group_control = &data->controls[psc_name_group + i];
        control_t * inner_control = &data->controls[psc_name_box + i];
        group_control->size.cx = inner_control->size.cx + (2 * group_border);
        group_control->size.cy = inner_control->size.cy + (2 * group_border);
    }

    control_t * alignment_group = &data->controls[psc_alignment_group];
    alignment_group->size.cx = button_width + (2 * group_border);
    alignment_group->size.cy = (3 * button_height) + (2 * group_border);

    control_t * gender_group = &data->controls[psc_gender_group];
    gender_group->size.cx = button_width + (2 * group_border);
    gender_group->size.cy = (2 * button_height) + (2 * group_border);

    /* set control positions */
    control_t * name_group = &data->controls[psc_name_group];
    name_group->pos.x = client_border;
    name_group->pos.y = client_border;