def set_mode(mode_desc):
group, mode, drive = tvservice.status()['gmd']
mode = mode_desc["code"]
tvservice.set_mode(group, mode, drive)
Printer(['Changed to', "{},{},{}".format(group, mode, drive)],
i,
o,
skippable=True)
status = tvservice.status()
try:
x, y = status["resolution"]
except KeyError:
Printer(["Can't get", "resolution!"], i, o, skippable=True)
else:
try:
check_output(["fbset", "-depth", "8"])
check_output(["fbset", "-g", x, y, x, y, "16"])
check_output([
"chvt", "1"
]) #HAAAAAAAAAX - we need to switch VTs for changes to appear
check_output(
["chvt", "7"]
) #This relies on the fact that GUI is mostly on VT7 and most people will want GUI resolutionto change.
#TODO: Restart X... Maybe?
except:
Printer(["Refresh failed!", "Try Ctrl-Alt-F1", "and Ctrl-Alt-F7"],
i,
o,
skippable=True)
else:
raise MenuExitException #Alright, post-resolution-change triggers executed, nothing to do here
def select_hdmi_mode():
menu_contents = []
try:
current_group = tvservice.status()['gmd'][0]
except KeyError, IndexError:
Printer(["Error, is HDMI", "enabled?"], i, o)
return False
def display_on():
tvservice.display_on()
Printer(['Enabled display', 'with defaults'], i, o, skippable=True)
status = tvservice.status()
try:
x, y = status["resolution"]
except KeyError:
Printer(["Can't get", "resolution!"], i, o, skippable=True)
else:
try:
check_output(["fbset", "-depth", "8"])
check_output(["fbset", "-g", x, y, x, y, "16"])
check_output([
"chvt", "1"
]) #HAAAAAAAAAX - we need to switch VTs for changes to appear
check_output(
["chvt",
"7"]) #This relies on the fact that GUI is mostly on VT7
except:
Printer(["Refresh failed!", "Try Ctrl-Alt-F1", "and Ctrl-Alt-F7"],
i,
o,
skippable=True)
else:
pass #All successful.
def launch():
try:
status = tvservice.status()
except OSError as e:
if e.errno == 2:
Printer(["Do you have", "tvservice?"], i, o, 3, skippable=True)
return
else:
raise e
else:
main_menu_contents = [["Status", show_status],
["Choose HDMI mode", select_hdmi_mode],
["Display on", display_on],
["Display off", display_off]]
main_menu = Menu(main_menu_contents, i, o, "tvservice main menu")
main_menu.activate()
def show_status():
try:
status = tvservice.status()
except IndexError, KeyError:
Printer(["Unknown mode", "open GH issue"], i, o)
return False