def PostMessage(hwnd, msg, wparam, lparam):
if not isinstance(wparam, WPARAM):
wparam = WPARAM(wparam)
if not isinstance(lparam, LPARAM):
lparam = LPARAM(lparam)
return _PostMessage(hwnd, msg, wparam, lparam)
def py_drop_func(hwnd, msg, wp, lp):
global files, SetWindowLong
if msg == WM_DROPFILES:
pwint = WPARAM(wp)
count = ctypes.windll.shell32.DragQueryFile(pwint, -1, None, None)
szFile = ctypes.c_buffer(1024)
files = []
for i in range(count):
ctypes.windll.shell32.DragQueryFile(pwint, i, szFile,
ctypes.sizeof(szFile))
dropname = szFile.value
files.append(dropname)
#print(dropname)
func(files)
ctypes.windll.shell32.DragFinish(pwint)
oldfunc = globals()[old]
return CallWindowProcW(LPCVOID(oldfunc), hwnd, msg, WPARAM(wp),
LPARAM(lp))
def set_placeholder(self, value):
# This solution is based on https://stackoverflow.com/questions/4902565/watermark-textbox-in-winforms
if self.interface.placeholder:
# Message Code for setting Cue Banner (Placeholder)
EM_SETCUEBANNER = c_uint(0x1501)
# value 0 means placeholder is hidden as soon the input gets focus
# value 1 means placeholder is hidden only after something is typed into input
show_placeholder_on_focus = WPARAM(1)
window_handle = HWND(self.native.Handle.ToInt32())
user32.SendMessageW(window_handle, EM_SETCUEBANNER, show_placeholder_on_focus, self.interface.placeholder)