_draw_valuedisplay - draw a valuedisplay on expose call 
- Parameters
- 
  
    | *w_ | - The Widget_t contain the valuedisplay |  | *user_data | - attached user_data |  
 
- Returns
- void 
Definition at line 25 of file xvaluedisplay_private.c.
   28     XWindowAttributes attrs;
 
   29     XGetWindowAttributes(w->
app->
dpy, (Window)w->
widget, &attrs);
 
   30     int width = attrs.width-2;
 
   31     int height = attrs.height-2;
 
   32     if (attrs.map_state != IsViewable) 
return;
 
   34     cairo_rectangle(w->
crb,2.0, 2.0, width, height);
 
   37         cairo_set_line_width(w->
crb, 1.0);
 
   39         cairo_fill_preserve(w->
crb);
 
   41     } 
else if(w->
state==1) {
 
   43         cairo_fill_preserve(w->
crb);
 
   44         cairo_set_line_width(w->
crb, 1.5);
 
   46     } 
else if(w->
state==2) {
 
   48         cairo_fill_preserve(w->
crb);
 
   49         cairo_set_line_width(w->
crb, 1.0);
 
   51     } 
else if(w->
state==3) {
 
   53         cairo_fill_preserve(w->
crb);
 
   54         cairo_set_line_width(w->
crb, 1.0);
 
   56     } 
else if(w->
state==4) {
 
   58         cairo_fill_preserve(w->
crb);
 
   59         cairo_set_line_width(w->
crb, 1.0);
 
   64     cairo_rectangle(w->
crb,4.0, 4.0, width, height);
 
   66     cairo_rectangle(w->
crb,3.0, 3.0, width, height);
 
   69     cairo_text_extents_t extents;
 
   72     const char* format[] = {
"%.1f ", 
"%.2f ", 
"%. Hz"};
 
   74     snprintf(s, 63, format[2-1], value);
 
   79     cairo_set_font_size (w->
crb, font_size);
 
   80     cairo_text_extents(w->
crb,s , &extents);
 
   81     cairo_move_to (w->
crb, (width-extents.width)*0.5, (height+extents.height)*0.55);
 
   82     cairo_show_text(w->
crb, s);
 
   83     cairo_new_path (w->
crb);
 
 
References ACTIVE_, Widget_t::adj, adj_get_value(), Widget_t::app, Resize_t::ascale, Widget_t::crb, Xputty::dpy, get_color_state(), INSENSITIVE_, NORMAL_, Xputty::normal_font, PRELIGHT_, Widget_t::scale, SELECTED_, Widget_t::state, use_frame_color_scheme(), use_shadow_color_scheme(), use_text_color_scheme(), and Widget_t::widget.