kernel/tools/perf/ui/gtk/progress.c

   1 #include <inttypes.h>
   2
   3 #include "gtk.h"
   4 #include "../progress.h"
   5 #include "util.h"
   6
   7 static GtkWidget *dialog;
   8 static GtkWidget *progress;
   9
  10 static void gtk_ui_progress__update(struct ui_progress *p)
  11 {
  12         double fraction = p->total ? 1.0 * p->curr / p->total : 0.0;
  13         char buf[1024];
  14
  15         if (dialog == NULL) {
  16                 GtkWidget *vbox = gtk_vbox_new(TRUE, 5);
  17                 GtkWidget *label = gtk_label_new(p->title);
  18
  19                 dialog = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  20                 progress = gtk_progress_bar_new();
  21
  22                 gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, FALSE, 3);
  23                 gtk_box_pack_start(GTK_BOX(vbox), progress, TRUE, TRUE, 3);
  24
  25                 gtk_container_add(GTK_CONTAINER(dialog), vbox);
  26
  27                 gtk_window_set_title(GTK_WINDOW(dialog), "perf");
  28                 gtk_window_resize(GTK_WINDOW(dialog), 300, 80);
  29                 gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
  30
  31                 gtk_widget_show_all(dialog);
  32         }
  33
  34         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), fraction);
  35         snprintf(buf, sizeof(buf), "%"PRIu64" / %"PRIu64, p->curr, p->total);
  36         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), buf);
  37
  38         /* we didn't call gtk_main yet, so do it manually */
  39         while (gtk_events_pending())
  40                 gtk_main_iteration();
  41 }
  42
  43 static void gtk_ui_progress__finish(void)
  44 {
  45         /* this will also destroy all of its children */
  46         gtk_widget_destroy(dialog);
  47
  48         dialog = NULL;
  49 }
  50
  51 static struct ui_progress_ops gtk_ui_progress__ops = {
  52         .update         = gtk_ui_progress__update,
  53         .finish         = gtk_ui_progress__finish,
  54 };
  55
  56 void gtk_ui_progress__init(void)
  57 {
  58         ui_progress__ops = &gtk_ui_progress__ops;
  59 }