tools/perf/util/ui/progress.c

   1 #include <stdlib.h>
   2 #include <newt.h>
   3 #include "../cache.h"
   4 #include "progress.h"
   5
   6 struct ui_progress {
   7         newtComponent form, scale;
   8 };
   9
  10 struct ui_progress *ui_progress__new(const char *title, u64 total)
  11 {
  12         struct ui_progress *self = malloc(sizeof(*self));
  13
  14         if (self != NULL) {
  15                 int cols;
  16
  17                 if (use_browser <= 0)
  18                         return self;
  19                 newtGetScreenSize(&cols, NULL);
  20                 cols -= 4;
  21                 newtCenteredWindow(cols, 1, title);
  22                 self->form  = newtForm(NULL, NULL, 0);
  23                 if (self->form == NULL)
  24                         goto out_free_self;
  25                 self->scale = newtScale(0, 0, cols, total);
  26                 if (self->scale == NULL)
  27                         goto out_free_form;
  28                 newtFormAddComponent(self->form, self->scale);
  29                 newtRefresh();
  30         }
  31
  32         return self;
  33
  34 out_free_form:
  35         newtFormDestroy(self->form);
  36 out_free_self:
  37         free(self);
  38         return NULL;
  39 }
  40
  41 void ui_progress__update(struct ui_progress *self, u64 curr)
  42 {
  43         /*
  44          * FIXME: We should have a per UI backend way of showing progress,
  45          * stdio will just show a percentage as NN%, etc.
  46          */
  47         if (use_browser <= 0)
  48                 return;
  49         newtScaleSet(self->scale, curr);
  50         newtRefresh();
  51 }
  52
  53 void ui_progress__delete(struct ui_progress *self)
  54 {
  55         if (use_browser > 0) {
  56                 newtFormDestroy(self->form);
  57                 newtPopWindow();
  58         }
  59         free(self);
  60 }