def OnInitDialog (self, hwnd, msg, wparam, lparam):
ur"""Attempt to position the dialog box more or less in
the middle of its parent (possibly the desktop). Then
force a resize of the dialog controls which should take
into account the different label lengths and the dialog's
new size.
"""
self.hwnd = hwnd
#
# If you want to have a translucent dialog,
# enable the next block.
#
if False:
wrapped (
win32gui.SetWindowLong,
self.hwnd,
win32con.GWL_EXSTYLE,
win32con.WS_EX_LAYERED | wrapped (
win32gui.GetWindowLong,
self.hwnd,
win32con.GWL_EXSTYLE
)
)
wrapped (
win32gui.SetLayeredWindowAttributes,
self.hwnd,
255,
(255 * 80) / 100,
win32con.LWA_ALPHA
)
pythoncom.RegisterDragDrop (
hwnd,
pythoncom.WrapObject (
_DropTarget (hwnd),
pythoncom.IID_IDropTarget,
pythoncom.IID_IDropTarget
)
)
for i, (field, default, callback) in enumerate (self.fields):
id = self.IDC_FIELD_BASE + i
self._set_item (id, default)
parent = self.parent_hwnd or DESKTOP
l, t, r, b = self.corners (*wrapped (win32gui.GetWindowRect, self.hwnd))
r = min (r, l + self.MAX_W)
dt_l, dt_t, dt_r, dt_b = wrapped (win32gui.GetWindowRect, parent)
cx = int (round ((dt_r - dt_l) / 2))
cy = int (round ((dt_b - dt_t) / 2))
centre_x, centre_y = wrapped (win32gui.ClientToScreen, parent, (cx, cy))
dx = int (round (centre_x - (r / 2)))
dy = int (round (centre_y - (b / 2)))
wrapped (win32gui.MoveWindow, self.hwnd, dx, dy, r - l, b - t, 0)
l, t, r, b = wrapped (win32gui.GetClientRect, self.hwnd)
self._resize (r - l, b - t, 0)
return True
def register(self):
try:
pythoncom.RegisterDragDrop(
self.hwnd,
pythoncom.WrapObject(self, pythoncom.IID_IDropTarget,
pythoncom.IID_IDropTarget))
except pywintypes.com_error:
global text_list
text_list = ["COM failure!"]