"""
summary: show, update & hide the progress dialog

description:
  Using the progress dialog (aka 'wait box') primitives.

keywords: actions

level: beginner
"""

import time
import random

import ida_kernwin
import ida_hexrays
import ida_funcs

import idautils

perform_decompilation=False

# Note: this try/except block below is just there to
# let us (at Hex-Rays) test this script in various
# situations.
try:
    perform_decompilation = under_test__perform_decompilation
except:
    pass


step_sleep = 0.5
ida_kernwin.show_wait_box("Processing")
try:
    all_eas = list(idautils.Functions())
    neas = len(all_eas)
    for i, ea in enumerate(all_eas):
        if ida_kernwin.user_cancelled():
            break
        ida_kernwin.replace_wait_box("Processing; step %d/%d" % (i+1, neas))

        if perform_decompilation:
            if not ida_hexrays.decompile(ea):
                print("Decompilation failure: %x" % ea)

        time.sleep(step_sleep * random.random())
finally:
    ida_kernwin.hide_wait_box()