def pickColorAsync(self,
callback,
startingcolor,
startingalpha,
screenX=None,
screenY=None):
from wnd.dlgs.choosecolor import ChooseColor
global colorDialog
global customColors
def _adjustWindow(hwnd, msg, wp, lp):
#log.debug("pos = (%d, %d)", pos[0], pos[1])
colorDialog.SetWindowPos(screenX, screenY)
if not callback or not hasattr(callback, "handleResult"):
raise COMException(
nsError.NS_ERROR_INVALID_ARG,
"pickColorAsync got invalid callback %r" % (callback, ))
if screenX is not None and screenY is None:
raise COMException(
nsError.NS_ERROR_INVALID_ARG,
"pickColorAsync: can't have screenX without screenY")
# parse the starting colors
try:
startingcolor = startingcolor.lstrip("#")
colors = [
int(startingcolor[x:x + 2], 16) for x in range(0, 6, 2)
]
except Exception:
raise COMException(
nsError.NS_ERROR_INVALID_ARG,
"pickColorAsync: invalid starting color %r" %
(startingcolor, ))
if colorDialog is None:
colorDialog = ChooseColor()
bgr = colors[2] * 2**16 + colors[1] * 2**8 + colors[0]
#log.debug("bgr in: %r -> %x (%r)", colors, bgr, bgr)
if screenX or screenY:
colorDialog.onINIT = _adjustWindow
res = colorDialog.Run(None,
'fullopen',
'hook',
customcolors=customColors,
initcolor=bgr)
if res is not None:
b, g, r = [(res & (2**x - 1)) >> (x - 8)
for x in range(24, 0, -8)]
#log.debug("bgr out: %r -> %x (%r)", [r,g,b], res, res)
for i, x in enumerate(colorDialog._dlgs_colors):
customColors[i] = int(x)
callback.handleResult("#%02x%02x%02x" % (r, g, b),
startingalpha)
else:
callback.handleResult(None, startingalpha)
def pickColorWithPositioning(self, startingcolor, screenX, screenY):
from wnd.dlgs.choosecolor import ChooseColor
global colorDialog
global customColors
if colorDialog is None:
colorDialog = ChooseColor()
r, g, b = startingcolor[1:3], startingcolor[3:5], startingcolor[5:]
bgr = int(b + g + r, 16)
#log.debug("bgr in = %x (%r)", bgr, bgr)
colorDialog.onINIT = _adjustWindow
res = colorDialog.Run(None,
'fullopen',
'hook',
customcolors=customColors,
initcolor=bgr)
if res is not None:
bgr = "%06x" % res
#log.debug("bgr out = %r", bgr)
b, g, r = bgr[:2], bgr[2:4], bgr[4:]
for i, x in enumerate(colorDialog._dlgs_colors):
customColors[i] = int(x)
return '#' + r + g + b
