/usr/lib/python2.7/dist-packages/pytyxi/x11.py is in deejayd-xine 0.10.0-5.
This file is owned by root:root, with mode 0o644.
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# Copyright (C) 2007-2009 Mickael Royer <mickael.royer@gmail.com>
# Alexandre Rossi <alexandre.rossi@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# This work is based on the perl X11::FullScreen API.
# http://search.cpan.org/~stephen/X11-FullScreen-0.03/
import ctypes
import _libX11 as libX11
import _libXext as libXext
class X11Error(Exception): pass
class X11Event:
NoEventMask = 0L
KeyPressMask = (1L<<0)
KeyReleaseMask = (1L<<1)
ButtonPressMask = (1L<<2)
ButtonReleaseMask = (1L<<3)
EnterWindowMask = (1L<<4)
LeaveWindowMask = (1L<<5)
PointerMotionMask = (1L<<6)
PointerMotionHintMask = (1L<<7)
Button1MotionMask = (1L<<8)
Button2MotionMask = (1L<<9)
Button3MotionMask = (1L<<10)
Button4MotionMask = (1L<<11)
Button5MotionMask = (1L<<12)
ButtonMotionMask = (1L<<13)
KeymapStateMask = (1L<<14)
ExposureMask = (1L<<15)
VisibilityChangeMask = (1L<<16)
StructureNotifyMask = (1L<<17)
ResizeRedirectMask = (1L<<18)
SubstructureNotifyMask = (1L<<19)
SubstructureRedirectMask = (1L<<20)
FocusChangeMask = (1L<<21)
PropertyChangeMask = (1L<<22)
ColormapChangeMask = (1L<<23)
OwnerGrabButtonMask = (1L<<24)
class X11Window(object):
def __init__(self, display, width=None, height=None, fullscreen=False):
self.__display = display
self.__display_p = self.__display.display_p()
libX11.XLockDisplay(self.__display_p)
if fullscreen:
self.__always_fulscreen = True
self.__fullscreen = True
self.width = self.__display.get_width()
self.height = self.__display.get_height()
elif width and height:
self.__always_fulscreen = False
self.__fullscreen = False
self.width = width
self.height = height
elif not width and not height and not fullscreen:
raise X11Error('A window is either fullscreen or has dimensions.')
self.__window_p = libX11.XCreateSimpleWindow(self.__display_p,
libX11.XDefaultRootWindow(self.__display_p),
0, 0, self.width, self.height, 0, 0, 0)
self.__hide_cursor()
if self.__fullscreen:
self.__remove_decorations()
libX11.XSelectInput(self.__display_p, self.__window_p,
(X11Event.ExposureMask |\
X11Event.ButtonPressMask |\
X11Event.KeyPressMask |\
X11Event.ButtonMotionMask |\
X11Event.StructureNotifyMask |\
X11Event.PropertyChangeMask |\
X11Event.PointerMotionMask))
libX11.XMapRaised(self.__display_p, self.__window_p)
libX11.XSync(self.__display_p, False)
libX11.XUnlockDisplay(self.__display_p)
self.video_area_info = {}
self.update_video_area_info()
def window_p(self):
return self.__window_p
def __remove_decorations(self):
mwmhints = libX11.MWMHints()
mwmhints.decorations = 0
mwmhints.flags = libX11.MWMHints.MWM_HINTS_DECORATIONS
data = ctypes.cast(ctypes.byref(mwmhints), ctypes.c_char_p)
xa_no_border = libX11.XInternAtom(self.__display_p,
"_MOTIF_WM_HINTS",
False)
libX11.XChangeProperty(self.__display_p, self.__window_p,
xa_no_border, xa_no_border,
32, libX11.PropertyModes.PropModeReplace, data,
libX11.MWMHints.PROP_MWM_HINTS_ELEMENTS)
def __ignore_wm(self):
attr = libX11.XSetWindowAttributes()
attr.override_redirect = True
libX11.XChangeWindowAttributes(self.__display_p, self.__window_p,
libX11.CWOverrideRedirect)
def __hide_cursor(self):
black = libX11.XColor()
dummy = libX11.XColor()
bitmap_struct = ctypes.c_char * 8
bm_no_data = bitmap_struct('0', '0', '0', '0', '0', '0', '0', '0')
cmap = libX11.XDefaultColormap(self.__display_p,
self.__display.get_default_screen_number())
libX11.XAllocNamedColor(self.__display_p, cmap, "black",
ctypes.byref(black), ctypes.byref(dummy))
bm_no = libX11.XCreateBitmapFromData(self.__display_p,
self.__window_p,
bm_no_data, 1, 1)
no_ptr = libX11.XCreatePixmapCursor(self.__display_p,
bm_no, bm_no,
ctypes.byref(black),
ctypes.byref(black),
0, 0)
libX11.XDefineCursor(self.__display_p, self.__window_p, no_ptr)
libX11.XFreeCursor(self.__display_p, no_ptr)
if bm_no != None:
libX11.XFreePixmap(self.__display_p, bm_no)
pixel = ctypes.c_ulong(black.pixel)
libX11.XFreeColors(self.__display_p, cmap, ctypes.byref(pixel), 1, 0)
def get_geometry(self):
root = ctypes.c_ulong()
x = ctypes.c_int()
y = ctypes.c_int()
width =ctypes. c_uint()
height = ctypes.c_uint()
border_width = ctypes.c_uint()
depth = ctypes.c_uint()
libX11.XGetGeometry(self.__display_p, self.__window_p,
ctypes.byref(root),
ctypes.byref(x), ctypes.byref(y),
ctypes.byref(width), ctypes.byref(height),
ctypes.byref(border_width), ctypes.byref(depth))
return x.value, y.value, width.value, height.value
def update_video_area_info(self):
# FIXME : This should be called when the window is resized.
x, y, w, h = self.get_geometry()
self.video_area_info['win_x'] = x
self.video_area_info['win_y'] = y
self.video_area_info['width'] = w
self.video_area_info['height'] = h
self.video_area_info['aspect'] = self.__display.get_pixel_aspect()
def set_fullscreen(self, fson=True):
if fson == self.__fulscreen or self.__always_fulscreen:
return
libX11.XLockDisplay(self.__display_p)
if fson:
new_width = self.__display.get_width()
new_height = self.__display.get_height()
self.__remove_decorations()
self.__fulscreen = True
else:
new_width = self.width
new_height = self.height
self.__fulscreen = False
libX11.XResizeWindow(self.__display_p, self.__window_p,
new_width, new_height)
libX11.XUnlockDisplay(self.__display_p)
self.update_video_area_info()
def show(self, do_show=True):
libX11.XLockDisplay(self.__display_p)
if do_show:
libX11.XMapRaised(self.__display_p, self.__window_p)
else:
libX11.XUnmapWindow(self.__display_p, self.__window_p)
libX11.XUnlockDisplay(self.__display_p)
def close(self):
libX11.XLockDisplay(self.__display_p)
libX11.XUnmapWindow(self.__display_p, self.__window_p)
libX11.XDestroyWindow(self.__display_p, self.__window_p)
libX11.XUnlockDisplay(self.__display_p)
self.video_area_info = None
class X11Display(object):
def __init__(self, id=':0.0'):
self.id = id
if not libX11.XInitThreads():
raise X11Error('Could not init threads')
self.__display_p = libX11.XOpenDisplay(self.id)
if not self.__display_p:
raise X11Error('Could not open display %s' % self.id)
self.__dpms_orig = self.is_dpms_on()
def display_p(self):
return self.__display_p
def get_default_screen_number(self):
return libX11.XDefaultScreen(self.__display_p)
def get_width(self, screen_number=None):
if not screen_number:
screen_number = self.get_default_screen_number()
return libX11.XDisplayWidth(self.__display_p, screen_number)
def get_height(self, screen_number=None):
if not screen_number:
screen_number = self.get_default_screen_number()
return libX11.XDisplayHeight(self.__display_p, screen_number)
def get_pixel_aspect(self, screen_number=None):
if not screen_number:
screen_number = self.get_default_screen_number()
res_h = float(self.get_width(screen_number) * 1000 /\
libX11.XDisplayWidthMM(self.__display_p, screen_number))
res_v = float(self.get_height(screen_number) * 1000 /\
libX11.XDisplayHeightMM(self.__display_p, screen_number))
return res_v / res_h
def is_dpms_on(self):
dummy = ctypes.c_int()
if libXext.DPMSQueryExtension(self.__display_p,
ctypes.byref(dummy), ctypes.byref(dummy)):
return True
else:
return False
def set_dpms(self, activated):
if self.is_dpms_on():
if activated:
libXext.DPMSEnable(self.__display_p)
else:
libXext.DPMSDisable(self.__display_p)
def do_create_window(self, width=None, height=None, fullscreen=False):
return X11Window(self, width, height, fullscreen)
def destroy(self):
self.set_dpms(self.__dpms_orig)
libX11.XCloseDisplay(self.__display_p)
if __name__ == '__main__':
import time
d = X11Display()
w = d.do_create_window(320, 200)
time.sleep(5)
w.close()
d.destroy()
# vim: ts=4 sw=4 expandtab
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