def WriteOSC(params, bel=False, requestsReport=False):
str_params = map(str, params)
joined_params = ";".join(str_params)
if bel:
terminator = BEL
else:
terminator = ST
sequence = OSC() + joined_params + terminator
LogDebug("Send sequence: " + sequence.replace(ESC, "<ESC>"))
Write(sequence, sideChannelOk=not requestsReport)
def GetCharSizePixels():
"""Returns a Size giving the font's character-size in pixels.
While xterm can be told to change its font, none of these tests exercise
that feature. We cache a value to improve performance.
"""
global gCharSizePixels
if gCharSizePixels.height() == 0:
esccmd.XTERM_WINOPS(esccmd.WINOP_REPORT_CHAR_SIZE_PIXELS)
params = escio.ReadCSI("t")
AssertTrue(params[0] == 6)
AssertTrue(len(params) >= 3)
gCharSizePixels = Size(params[2], params[1])
LogDebug("size of CHARS " + str(gCharSizePixels.height()) + "x" +
str(gCharSizePixels.width()))
return gCharSizePixels
def GetFrameSizePixels():
"""Returns a Size giving the terminal's border/title frame size.
The frame size is used to adjust the expected error in window-resizing
tests which modify the shell window's size.
"""
global gFrameSizePixels
if gFrameSizePixels.height() == 0:
GetCharSizePixels()
outer = GetWindowSizePixels()
inner = GetScreenSize()
gFrameSizePixels = Size(
outer.height() - (inner.height() * gCharSizePixels.height()),
outer.width() - (inner.width() * gCharSizePixels.width()))
LogDebug("size of FRAME " + str(gFrameSizePixels.height()) + "x" +
str(gFrameSizePixels.width()))
return gFrameSizePixels
def WriteCSI(prefix="", params=[], intermediate="", final="", requestsReport=False):
if len(final) == 0:
raise esctypes.InternalError("final must not be empty")
def StringifyCSIParam(p):
if p is None:
return ""
else:
return str(p)
str_params = map(StringifyCSIParam, params)
# Remove trailing empty args
while len(str_params) > 0 and str_params[-1] == "":
str_params = str_params[:-1]
joined_params = ";".join(str_params)
sequence = CSI() + prefix + joined_params + intermediate + final
LogDebug("Send sequence: " + sequence.replace(ESC, "<ESC>"))
Write(sequence, sideChannelOk=not requestsReport)
def GetChecksumOfRect(rect):
global gNextId
Pid = gNextId
gNextId += 1
esccmd.DECRQCRA(Pid, 0, rect)
params = escio.ReadDCS()
str_pid = str(Pid)
if not params.startswith(str_pid):
Raise(esctypes.BadResponse(params, "Prefix of " + str_pid))
i = len(str_pid)
AssertTrue(params[i:].startswith("!~"))
i += 2
hex_checksum = params[i:]
LogDebug("GetChecksum " + str_pid + " = " + hex_checksum)
return int(hex_checksum, 16)
def GetScreenSizePixels():
"""Returns a Size giving the screen's size in pixels.
The "screen" refers to the X display on which xterm is running.
Because that does not change as a result of these tests, we
cache a value to help with performance."""
global gScreenSizePixels
if gScreenSizePixels.height() == 0:
if escargs.args.expected_terminal == "xterm":
esccmd.XTERM_WINOPS(esccmd.WINOP_REPORT_SCREEN_SIZE_PIXELS)
params = escio.ReadCSI("t")
AssertTrue(params[0] == 5)
AssertTrue(len(params) >= 3)
gScreenSizePixels = Size(params[2], params[1])
else:
# iTerm2 doesn't support esccmd.WINOP_REPORT_SCREEN_SIZE_PIXELS so just fake it.
gScreenSizePixels = Size(1024, 768)
LogDebug("size of SCREEN " + str(gScreenSizePixels.height()) + "x" +
str(gScreenSizePixels.width()))
return gScreenSizePixels