def set_mouse_platform_visible(self, platform_visible=None):
if platform_visible is None:
platform_visible = (self._mouse_visible and
not self._exclusive_mouse and
not self._mouse_cursor.drawable) or \
(not self._mouse_in_window or
not self._has_focus)
if platform_visible and not self._mouse_cursor.drawable:
if isinstance(self._mouse_cursor, Win32MouseCursor):
cursor = self._mouse_cursor.cursor
else:
cursor = _user32.LoadCursorW(None, MAKEINTRESOURCE(IDC_ARROW))
_user32.SetClassLongW(self._view_hwnd, GCL_HCURSOR, cursor)
_user32.SetCursor(cursor)
if platform_visible == self._mouse_platform_visible:
return
# Avoid calling ShowCursor with the current visibility (which would
# push the counter too far away from zero).
global _win32_cursor_visible
if _win32_cursor_visible != platform_visible:
_user32.ShowCursor(platform_visible)
_win32_cursor_visible = platform_visible
self._mouse_platform_visible = platform_visible
def set_mouse_platform_visible(self, platform_visible=None):
if platform_visible is None:
platform_visible = (self._mouse_visible and
not self._exclusive_mouse and
(not self._mouse_cursor.gl_drawable or self._mouse_cursor.hw_drawable)) or \
(not self._mouse_in_window or
not self._has_focus)
if platform_visible and self._mouse_cursor.hw_drawable:
if isinstance(self._mouse_cursor, Win32MouseCursor):
cursor = self._mouse_cursor.cursor
elif isinstance(self._mouse_cursor, DefaultMouseCursor):
cursor = _user32.LoadCursorW(None, MAKEINTRESOURCE(IDC_ARROW))
else:
cursor = self._create_cursor_from_image(self._mouse_cursor)
_user32.SetClassLongW(self._view_hwnd, GCL_HCURSOR, cursor)
_user32.SetCursor(cursor)
if platform_visible == self._mouse_platform_visible:
return
self._set_cursor_visibility(platform_visible)
self._mouse_platform_visible = platform_visible
def set_icon(self, *images):
# XXX Undocumented AFAICT, but XP seems happy to resize an image
# of any size, so no scaling necessary.
def best_image(width, height):
# A heuristic for finding closest sized image to required size.
image = images[0]
for img in images:
if img.width == width and img.height == height:
# Exact match always used
return img
elif img.width >= width and \
img.width * img.height > image.width * image.height:
# At least wide enough, and largest area
image = img
return image
def get_icon(image):
# Alpha-blended icon: see http://support.microsoft.com/kb/318876
format = 'BGRA'
pitch = len(format) * image.width
header = BITMAPV5HEADER()
header.bV5Size = sizeof(header)
header.bV5Width = image.width
header.bV5Height = image.height
header.bV5Planes = 1
header.bV5BitCount = 32
header.bV5Compression = BI_BITFIELDS
header.bV5RedMask = 0x00ff0000
header.bV5GreenMask = 0x0000ff00
header.bV5BlueMask = 0x000000ff
header.bV5AlphaMask = 0xff000000
hdc = _user32.GetDC(None)
dataptr = c_void_p()
bitmap = _gdi32.CreateDIBSection(hdc,
byref(header), DIB_RGB_COLORS,
byref(dataptr), None, 0)
_user32.ReleaseDC(None, hdc)
data = image.get_data(format, pitch)
memmove(dataptr, data, len(data))
mask = _gdi32.CreateBitmap(image.width, image.height, 1, 1, None)
iconinfo = ICONINFO()
iconinfo.fIcon = True
iconinfo.hbmMask = mask
iconinfo.hbmColor = bitmap
icon = _user32.CreateIconIndirect(byref(iconinfo))
_gdi32.DeleteObject(mask)
_gdi32.DeleteObject(bitmap)
return icon
# Set large icon
image = best_image(_user32.GetSystemMetrics(SM_CXICON),
_user32.GetSystemMetrics(SM_CYICON))
icon = get_icon(image)
_user32.SetClassLongW(self._hwnd, GCL_HICON, icon)
# Set small icon
image = best_image(_user32.GetSystemMetrics(SM_CXSMICON),
_user32.GetSystemMetrics(SM_CYSMICON))
icon = get_icon(image)
_user32.SetClassLongW(self._hwnd, GCL_HICONSM, icon)
