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Difficult-Rocket/libs/pyglet/window/xlib/__init__.py

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rua
2021-04-16 23:21:06 +08:00
# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
稍等一会（
2021-04-17 01:14:38 +08:00
# Copyright (c) 2008-2021 pyglet contributors
rua
2021-04-16 23:21:06 +08:00
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of pyglet nor the names of its
# contributors may be used to endorse or promote products
# derived from this software without specific prior written
# permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ----------------------------------------------------------------------------
import unicodedata
import urllib.parse
from ctypes import *
from functools import lru_cache
import pyglet
from pyglet.window import WindowException, NoSuchDisplayException, MouseCursorException
from pyglet.window import MouseCursor, DefaultMouseCursor, ImageMouseCursor
from pyglet.window import BaseWindow, _PlatformEventHandler, _ViewEventHandler
from pyglet.window import key
from pyglet.window import mouse
from pyglet.event import EventDispatcher
from pyglet.canvas.xlib import XlibCanvas
from pyglet.libs.x11 import xlib
from pyglet.libs.x11 import cursorfont
from pyglet.util import asbytes
try:
from pyglet.libs.x11 import xsync
_have_xsync = True
except ImportError:
_have_xsync = False
class mwmhints_t(Structure):
_fields_ = [
('flags', c_uint32),
('functions', c_uint32),
('decorations', c_uint32),
('input_mode', c_int32),
('status', c_uint32)
]
# XXX: wraptypes can't parse the header this function is in yet
XkbSetDetectableAutoRepeat = xlib._lib.XkbSetDetectableAutoRepeat
XkbSetDetectableAutoRepeat.restype = c_int
XkbSetDetectableAutoRepeat.argtypes = [POINTER(xlib.Display), c_int, POINTER(c_int)]
_can_detect_autorepeat = None
XA_CARDINAL = 6 # Xatom.h:14
XA_ATOM = 4
XDND_VERSION = 5
# Do we have the November 2000 UTF8 extension?
_have_utf8 = hasattr(xlib._lib, 'Xutf8TextListToTextProperty')
# symbol,ctrl -> motion mapping
_motion_map = {
(key.UP, False): key.MOTION_UP,
(key.RIGHT, False): key.MOTION_RIGHT,
(key.DOWN, False): key.MOTION_DOWN,
(key.LEFT, False): key.MOTION_LEFT,
(key.RIGHT, True): key.MOTION_NEXT_WORD,
(key.LEFT, True): key.MOTION_PREVIOUS_WORD,
(key.HOME, False): key.MOTION_BEGINNING_OF_LINE,
(key.END, False): key.MOTION_END_OF_LINE,
(key.PAGEUP, False): key.MOTION_PREVIOUS_PAGE,
(key.PAGEDOWN, False): key.MOTION_NEXT_PAGE,
(key.HOME, True): key.MOTION_BEGINNING_OF_FILE,
(key.END, True): key.MOTION_END_OF_FILE,
(key.BACKSPACE, False): key.MOTION_BACKSPACE,
(key.DELETE, False): key.MOTION_DELETE,
}
class XlibException(WindowException):
"""An X11-specific exception. This exception is probably a programming
error in pyglet."""
pass
class XlibMouseCursor(MouseCursor):
gl_drawable = False
hw_drawable = True
def __init__(self, cursor):
self.cursor = cursor
# Platform event data is single item, so use platform event handler directly.
XlibEventHandler = _PlatformEventHandler
ViewEventHandler = _ViewEventHandler
class XlibWindow(BaseWindow):
_x_display = None # X display connection
_x_screen_id = None # X screen index
_x_ic = None # X input context
_window = None # Xlib window handle
_minimum_size = None
_maximum_size = None
_override_redirect = False
_x = 0
_y = 0 # Last known window position
_width = 0
_height = 0 # Last known window size
_mouse_exclusive_client = None # x,y of "real" mouse during exclusive
_mouse_buttons = [False] * 6 # State of each xlib button
_keyboard_exclusive = False
_active = True
_applied_mouse_exclusive = False
_applied_keyboard_exclusive = False
_mapped = False
_lost_context = False
_lost_context_state = False
_enable_xsync = False
_current_sync_value = None
_current_sync_valid = False
_default_event_mask = (0x1ffffff & ~xlib.PointerMotionHintMask
& ~xlib.ResizeRedirectMask
& ~xlib.SubstructureNotifyMask)
def __init__(self, *args, **kwargs):
# Bind event handlers
self._event_handlers = {}
self._view_event_handlers = {}
for name in self._platform_event_names:
if not hasattr(self, name):
continue
func = getattr(self, name)
for message in func._platform_event_data:
if hasattr(func, '_view'):
self._view_event_handlers[message] = func
else:
self._event_handlers[message] = func
super(XlibWindow, self).__init__(*args, **kwargs)
global _can_detect_autorepeat
if _can_detect_autorepeat is None:
supported_rtrn = c_int()
_can_detect_autorepeat = XkbSetDetectableAutoRepeat(self.display._display, c_int(1),
byref(supported_rtrn))
if _can_detect_autorepeat:
self.pressed_keys = set()
def _recreate(self, changes):
# If flipping to/from fullscreen, need to recreate the window. (This
# is the case with both override_redirect method and
# _NET_WM_STATE_FULLSCREEN).
#
# A possible improvement could be to just hide the top window,
# destroy the GLX window, and reshow it again when leaving fullscreen.
# This would prevent the floating window from being moved by the
# WM.
if 'fullscreen' in changes or 'resizable' in changes:
# clear out the GLX context
self.context.detach()
xlib.XDestroyWindow(self._x_display, self._window)
del self.display._window_map[self._window]
del self.display._window_map[self._view]
self._window = None
self._mapped = False
# TODO: detect state loss only by examining context share.
if 'context' in changes:
self._lost_context = True
self._lost_context_state = True
self._create()
def _create_xdnd_atoms(self, display):
self._xdnd_atoms = {
'XdndAware' : xlib.XInternAtom(display, asbytes('XdndAware'), False),
'XdndEnter' : xlib.XInternAtom(display, asbytes('XdndEnter'), False),
'XdndTypeList' : xlib.XInternAtom(display, asbytes('XdndTypeList'), False),
'XdndDrop' : xlib.XInternAtom(display, asbytes('XdndDrop'), False),
'XdndFinished' : xlib.XInternAtom(display, asbytes('XdndFinished'), False),
'XdndSelection' : xlib.XInternAtom(display, asbytes('XdndSelection'), False),
'XdndPosition' : xlib.XInternAtom(display, asbytes('XdndPosition'), False),
'XdndStatus' : xlib.XInternAtom(display, asbytes('XdndStatus'), False),
'XdndActionCopy' : xlib.XInternAtom(display, asbytes('XdndActionCopy'), False),
'text/uri-list' : xlib.XInternAtom(display, asbytes("text/uri-list"), False)
}
def _create(self):
# Unmap existing window if necessary while we fiddle with it.
if self._window and self._mapped:
self._unmap()
self._x_display = self.display._display
self._x_screen_id = self.display.x_screen
# Create X window if not already existing.
if not self._window:
root = xlib.XRootWindow(self._x_display, self._x_screen_id)
visual_info = self.config.get_visual_info()
visual = visual_info.visual
visual_id = xlib.XVisualIDFromVisual(visual)
default_visual = xlib.XDefaultVisual(self._x_display, self._x_screen_id)
default_visual_id = xlib.XVisualIDFromVisual(default_visual)
window_attributes = xlib.XSetWindowAttributes()
if visual_id != default_visual_id:
window_attributes.colormap = xlib.XCreateColormap(self._x_display, root,
visual, xlib.AllocNone)
else:
window_attributes.colormap = xlib.XDefaultColormap(self._x_display,
self._x_screen_id)
window_attributes.bit_gravity = xlib.StaticGravity
# Issue 287: Compiz on Intel/Mesa doesn't draw window decoration
# unless CWBackPixel is given in mask. Should have
# no effect on other systems, so it's set
# unconditionally.
mask = xlib.CWColormap | xlib.CWBitGravity | xlib.CWBackPixel
if self._fullscreen:
width, height = self.screen.width, self.screen.height
self._view_x = (width - self._width) // 2
self._view_y = (height - self._height) // 2
else:
width, height = self._width, self._height
self._view_x = self._view_y = 0
self._window = xlib.XCreateWindow(self._x_display, root,
0, 0, width, height, 0, visual_info.depth,
xlib.InputOutput, visual, mask,
byref(window_attributes))
self._view = xlib.XCreateWindow(self._x_display,
self._window, self._view_x, self._view_y,
self._width, self._height, 0, visual_info.depth,
xlib.InputOutput, visual, mask,
byref(window_attributes))
xlib.XMapWindow(self._x_display, self._view)
xlib.XSelectInput(self._x_display, self._view, self._default_event_mask)
self.display._window_map[self._window] = self.dispatch_platform_event
self.display._window_map[self._view] = self.dispatch_platform_event_view
self.canvas = XlibCanvas(self.display, self._view)
self.context.attach(self.canvas)
self.context.set_vsync(self._vsync) # XXX ?
# Setting null background pixmap disables drawing the background,
# preventing flicker while resizing (in theory).
#
# Issue 287: Compiz on Intel/Mesa doesn't draw window decoration if
# this is called. As it doesn't seem to have any
# effect anyway, it's just commented out.
# xlib.XSetWindowBackgroundPixmap(self._x_display, self._window, 0)
self._enable_xsync = (pyglet.options['xsync'] and
self.display._enable_xsync and
self.config.double_buffer)
# Set supported protocols
protocols = []
protocols.append(xlib.XInternAtom(self._x_display, asbytes('WM_DELETE_WINDOW'), False))
if self._enable_xsync:
protocols.append(xlib.XInternAtom(self._x_display,
asbytes('_NET_WM_SYNC_REQUEST'),
False))
protocols = (c_ulong * len(protocols))(*protocols)
xlib.XSetWMProtocols(self._x_display, self._window, protocols, len(protocols))
# Create window resize sync counter
if self._enable_xsync:
value = xsync.XSyncValue()
self._sync_counter = xlib.XID(xsync.XSyncCreateCounter(self._x_display, value))
atom = xlib.XInternAtom(self._x_display,
asbytes('_NET_WM_SYNC_REQUEST_COUNTER'), False)
ptr = pointer(self._sync_counter)
xlib.XChangeProperty(self._x_display, self._window,
atom, XA_CARDINAL, 32,
xlib.PropModeReplace,
cast(ptr, POINTER(c_ubyte)), 1)
# Atoms required for Xdnd
self._create_xdnd_atoms(self._x_display)
# Support for drag and dropping files needs to be enabled.
if self._file_drops:
# Some variables set because there are 4 different drop events that need shared data.
self._xdnd_source = None
self._xdnd_version = None
self._xdnd_format = None
self._xdnd_position = (0, 0) # For position callback.
VERSION = c_ulong(int(XDND_VERSION))
ptr = pointer(VERSION)
xlib.XChangeProperty(self._x_display, self._window,
self._xdnd_atoms['XdndAware'], XA_ATOM, 32,
xlib.PropModeReplace,
cast(ptr, POINTER(c_ubyte)), 1)
# Set window attributes
attributes = xlib.XSetWindowAttributes()
attributes_mask = 0
self._override_redirect = False
if self._fullscreen:
if pyglet.options['xlib_fullscreen_override_redirect']:
# Try not to use this any more, it causes problems; disabled
# by default in favour of _NET_WM_STATE_FULLSCREEN.
attributes.override_redirect = self._fullscreen
attributes_mask |= xlib.CWOverrideRedirect
self._override_redirect = True
else:
self._set_wm_state('_NET_WM_STATE_FULLSCREEN')
if self._fullscreen:
xlib.XMoveResizeWindow(self._x_display, self._window,
self.screen.x, self.screen.y,
self.screen.width, self.screen.height)
else:
xlib.XResizeWindow(self._x_display, self._window, self._width, self._height)
xlib.XChangeWindowAttributes(self._x_display, self._window,
attributes_mask, byref(attributes))
# Set style
styles = {
self.WINDOW_STYLE_DEFAULT: '_NET_WM_WINDOW_TYPE_NORMAL',
self.WINDOW_STYLE_DIALOG: '_NET_WM_WINDOW_TYPE_DIALOG',
self.WINDOW_STYLE_TOOL: '_NET_WM_WINDOW_TYPE_UTILITY',
}
if self._style in styles:
self._set_atoms_property('_NET_WM_WINDOW_TYPE', (styles[self._style],))
elif self._style == self.WINDOW_STYLE_BORDERLESS:
MWM_HINTS_DECORATIONS = 1 << 1
PROP_MWM_HINTS_ELEMENTS = 5
mwmhints = mwmhints_t()
mwmhints.flags = MWM_HINTS_DECORATIONS
mwmhints.decorations = 0
name = xlib.XInternAtom(self._x_display, asbytes('_MOTIF_WM_HINTS'), False)
xlib.XChangeProperty(self._x_display, self._window,
name, name, 32, xlib.PropModeReplace,
cast(pointer(mwmhints), POINTER(c_ubyte)),
PROP_MWM_HINTS_ELEMENTS)
# Set resizeable
if not self._resizable and not self._fullscreen:
self.set_minimum_size(self._width, self._height)
self.set_maximum_size(self._width, self._height)
# Set caption
self.set_caption(self._caption)
# Set WM_CLASS for modern desktop environments
self.set_wm_class(self._caption)
# this is supported by some compositors (ie gnome-shell), and more to come
# see: http://standards.freedesktop.org/wm-spec/wm-spec-latest.html#idp6357888
_NET_WM_BYPASS_COMPOSITOR_HINT_ON = c_ulong(int(self._fullscreen))
name = xlib.XInternAtom(self._x_display, asbytes('_NET_WM_BYPASS_COMPOSITOR'), False)
ptr = pointer(_NET_WM_BYPASS_COMPOSITOR_HINT_ON)
xlib.XChangeProperty(self._x_display, self._window,
name, XA_CARDINAL, 32,
xlib.PropModeReplace,
cast(ptr, POINTER(c_ubyte)), 1)
# Create input context. A good but very outdated reference for this
# is http://www.sbin.org/doc/Xlib/chapt_11.html
if _have_utf8 and not self._x_ic:
if not self.display._x_im:
xlib.XSetLocaleModifiers(asbytes('@im=none'))
self.display._x_im = xlib.XOpenIM(self._x_display, None, None, None)
xlib.XFlush(self._x_display)
# Need to set argtypes on this function because it's vararg,
# and ctypes guesses wrong.
xlib.XCreateIC.argtypes = [xlib.XIM,
c_char_p, c_int,
c_char_p, xlib.Window,
c_char_p, xlib.Window,
c_void_p]
self._x_ic = xlib.XCreateIC(self.display._x_im,
asbytes('inputStyle'),
xlib.XIMPreeditNothing | xlib.XIMStatusNothing,
asbytes('clientWindow'), self._window,
asbytes('focusWindow'), self._window,
None)
filter_events = c_ulong()
xlib.XGetICValues(self._x_ic, 'filterEvents', byref(filter_events), None)
self._default_event_mask |= filter_events.value
xlib.XSetICFocus(self._x_ic)
self.switch_to()
if self._visible:
self.set_visible(True)
self.set_mouse_platform_visible()
self._applied_mouse_exclusive = None
self._update_exclusivity()
def _map(self):
if self._mapped:
return
# Map the window, wait for map event before continuing.
xlib.XSelectInput(self._x_display, self._window, xlib.StructureNotifyMask)
xlib.XMapRaised(self._x_display, self._window)
e = xlib.XEvent()
while True:
xlib.XNextEvent(self._x_display, e)
if e.type == xlib.ConfigureNotify:
self._width = e.xconfigure.width
self._height = e.xconfigure.height
elif e.type == xlib.MapNotify:
break
xlib.XSelectInput(self._x_display, self._window, self._default_event_mask)
self._mapped = True
if self._override_redirect:
# Possibly an override_redirect issue.
self.activate()
self._update_view_size()
self.dispatch_event('on_resize', self._width, self._height)
self.dispatch_event('on_show')
self.dispatch_event('on_expose')
def _unmap(self):
if not self._mapped:
return
xlib.XSelectInput(self._x_display, self._window, xlib.StructureNotifyMask)
xlib.XUnmapWindow(self._x_display, self._window)
e = xlib.XEvent()
while True:
xlib.XNextEvent(self._x_display, e)
if e.type == xlib.UnmapNotify:
break
xlib.XSelectInput(self._x_display, self._window, self._default_event_mask)
self._mapped = False
def _get_root(self):
attributes = xlib.XWindowAttributes()
xlib.XGetWindowAttributes(self._x_display, self._window, byref(attributes))
return attributes.root
def _is_reparented(self):
root = c_ulong()
parent = c_ulong()
children = pointer(c_ulong())
n_children = c_uint()
xlib.XQueryTree(self._x_display, self._window,
byref(root), byref(parent), byref(children),
byref(n_children))
return root.value != parent.value
def close(self):
if not self._window:
return
self.context.destroy()
self._unmap()
if self._window:
xlib.XDestroyWindow(self._x_display, self._window)
del self.display._window_map[self._window]
del self.display._window_map[self._view]
self._window = None
self._view_event_handlers.clear()
self._event_handlers.clear()
if _have_utf8:
xlib.XDestroyIC(self._x_ic)
self._x_ic = None
super(XlibWindow, self).close()
def switch_to(self):
if self.context:
self.context.set_current()
def flip(self):
self.draw_mouse_cursor()
# TODO canvas.flip?
if self.context:
self.context.flip()
self._sync_resize()
def set_vsync(self, vsync):
if pyglet.options['vsync'] is not None:
vsync = pyglet.options['vsync']
self._vsync = vsync
self.context.set_vsync(vsync)
def set_caption(self, caption):
if caption is None:
caption = ''
self._caption = caption
self._set_text_property('WM_NAME', caption, allow_utf8=False)
self._set_text_property('WM_ICON_NAME', caption, allow_utf8=False)
self._set_text_property('_NET_WM_NAME', caption)
self._set_text_property('_NET_WM_ICON_NAME', caption)
def set_wm_class(self, name):
# WM_CLASS can only contain Ascii characters
try:
name = name.encode('ascii')
except UnicodeEncodeError:
name = "pyglet"
hint = xlib.XAllocClassHint()
hint.contents.res_class = asbytes(name)
hint.contents.res_name = asbytes(name.lower())
xlib.XSetClassHint(self._x_display, self._window, hint.contents)
xlib.XFree(hint)
def get_caption(self):
return self._caption
def set_size(self, width, height):
if self._fullscreen:
raise WindowException('Cannot set size of fullscreen window.')
self._width = width
self._height = height
if not self._resizable:
self.set_minimum_size(width, height)
self.set_maximum_size(width, height)
xlib.XResizeWindow(self._x_display, self._window, width, height)
self._update_view_size()
self.dispatch_event('on_resize', width, height)
def _update_view_size(self):
xlib.XResizeWindow(self._x_display, self._view, self._width, self._height)
def get_size(self):
# XGetGeometry and XWindowAttributes seem to always return the
# original size of the window, which is wrong after the user
# has resized it.
# XXX this is probably fixed now, with fix of resize.
return self._width, self._height
def set_location(self, x, y):
if self._is_reparented():
# Assume the window manager has reparented our top-level window
# only once, in which case attributes.x/y give the offset from
# the frame to the content window. Better solution would be
# to use _NET_FRAME_EXTENTS, where supported.
attributes = xlib.XWindowAttributes()
xlib.XGetWindowAttributes(self._x_display, self._window, byref(attributes))
# XXX at least under KDE's WM these attrs are both 0
x -= attributes.x
y -= attributes.y
xlib.XMoveWindow(self._x_display, self._window, x, y)
def get_location(self):
child = xlib.Window()
x = c_int()
y = c_int()
xlib.XTranslateCoordinates(self._x_display,
self._window,
self._get_root(),
0, 0,
byref(x),
byref(y),
byref(child))
return x.value, y.value
def activate(self):
# Issue 218
if self._x_display and self._window:
xlib.XSetInputFocus(self._x_display, self._window, xlib.RevertToParent, xlib.CurrentTime)
def set_visible(self, visible=True):
if visible:
self._map()
else:
self._unmap()
self._visible = visible
def set_minimum_size(self, width, height):
self._minimum_size = width, height
self._set_wm_normal_hints()
def set_maximum_size(self, width, height):
self._maximum_size = width, height
self._set_wm_normal_hints()
def minimize(self):
xlib.XIconifyWindow(self._x_display, self._window, self._x_screen_id)
def maximize(self):
self._set_wm_state('_NET_WM_STATE_MAXIMIZED_HORZ',
'_NET_WM_STATE_MAXIMIZED_VERT')
@staticmethod
def _downsample_1bit(pixelarray):
byte_list = []
value = 0
for i, pixel in enumerate(pixelarray):
index = i % 8
if pixel:
value |= 1 << index
if index == 7:
byte_list.append(value)
value = 0
return bytes(byte_list)
@lru_cache()
def _create_cursor_from_image(self, cursor):
"""Creates platform cursor from an ImageCursor instance."""
image = cursor.texture
width = image.width
height = image.height
alpha_luma_bytes = image.get_image_data().get_data('AL', -width * 2)
mask_data = self._downsample_1bit(alpha_luma_bytes[0::2])
bmp_data = self._downsample_1bit(alpha_luma_bytes[1::2])
bitmap = xlib.XCreateBitmapFromData(self._x_display, self._window, bmp_data, width, height)
mask = xlib.XCreateBitmapFromData(self._x_display, self._window, mask_data, width, height)
white = xlib.XColor(red=65535, green=65535, blue=65535) # background color
black = xlib.XColor() # foreground color
# hot_x/y must be within the image dimension, or the cursor will not display:
hot_x = min(max(0, int(self._mouse_cursor.hot_x)), width)
hot_y = min(max(0, int(height - self._mouse_cursor.hot_y)), height)
cursor = xlib.XCreatePixmapCursor(self._x_display, bitmap, mask, white, black, hot_x, hot_y)
xlib.XFreePixmap(self._x_display, bitmap)
xlib.XFreePixmap(self._x_display, mask)
return cursor
def set_mouse_platform_visible(self, platform_visible=None):
if not self._window:
return
if platform_visible is None:
platform_visible = self._mouse_visible and not self._mouse_cursor.gl_drawable
if platform_visible is False:
# Hide pointer by creating an empty cursor:
black = xlib.XColor()
bitmap = xlib.XCreateBitmapFromData(self._x_display, self._window, bytes(8), 8, 8)
cursor = xlib.XCreatePixmapCursor(self._x_display, bitmap, bitmap, black, black, 0, 0)
xlib.XDefineCursor(self._x_display, self._window, cursor)
xlib.XFreeCursor(self._x_display, cursor)
xlib.XFreePixmap(self._x_display, bitmap)
elif isinstance(self._mouse_cursor, ImageMouseCursor) and self._mouse_cursor.hw_drawable:
# Create a custom hardware cursor:
cursor = self._create_cursor_from_image(self._mouse_cursor)
xlib.XDefineCursor(self._x_display, self._window, cursor)
else:
# Restore standard hardware cursor:
if isinstance(self._mouse_cursor, XlibMouseCursor):
xlib.XDefineCursor(self._x_display, self._window, self._mouse_cursor.cursor)
else:
xlib.XUndefineCursor(self._x_display, self._window)
def set_mouse_position(self, x, y):
xlib.XWarpPointer(self._x_display,
0, # src window
self._window, # dst window
0, 0, # src x, y
0, 0, # src w, h
x, self._height - y)
def _update_exclusivity(self):
mouse_exclusive = self._active and self._mouse_exclusive
keyboard_exclusive = self._active and self._keyboard_exclusive
if mouse_exclusive != self._applied_mouse_exclusive:
if mouse_exclusive:
self.set_mouse_platform_visible(False)
# Restrict to client area
xlib.XGrabPointer(self._x_display, self._window,
True,
0,
xlib.GrabModeAsync,
xlib.GrabModeAsync,
self._window,
0,
xlib.CurrentTime)
# Move pointer to center of window
x = self._width // 2
y = self._height // 2
self._mouse_exclusive_client = x, y
self.set_mouse_position(x, y)
elif self._fullscreen and not self.screen._xinerama:
# Restrict to fullscreen area (prevent viewport scrolling)
self.set_mouse_position(0, 0)
r = xlib.XGrabPointer(self._x_display, self._view,
True, 0,
xlib.GrabModeAsync,
xlib.GrabModeAsync,
self._view,
0,
xlib.CurrentTime)
if r:
# Failed to grab, try again later
self._applied_mouse_exclusive = None
return
self.set_mouse_platform_visible()
else:
# Unclip
xlib.XUngrabPointer(self._x_display, xlib.CurrentTime)
self.set_mouse_platform_visible()
self._applied_mouse_exclusive = mouse_exclusive
if keyboard_exclusive != self._applied_keyboard_exclusive:
if keyboard_exclusive:
xlib.XGrabKeyboard(self._x_display,
self._window,
False,
xlib.GrabModeAsync,
xlib.GrabModeAsync,
xlib.CurrentTime)
else:
xlib.XUngrabKeyboard(self._x_display, xlib.CurrentTime)
self._applied_keyboard_exclusive = keyboard_exclusive
def set_exclusive_mouse(self, exclusive=True):
if exclusive == self._mouse_exclusive:
return
self._mouse_exclusive = exclusive
self._update_exclusivity()
def set_exclusive_keyboard(self, exclusive=True):
if exclusive == self._keyboard_exclusive:
return
self._keyboard_exclusive = exclusive
self._update_exclusivity()
def get_system_mouse_cursor(self, name):
if name == self.CURSOR_DEFAULT:
return DefaultMouseCursor()
# NQR means default shape is not pretty... surely there is another
# cursor font?
cursor_shapes = {
self.CURSOR_CROSSHAIR: cursorfont.XC_crosshair,
self.CURSOR_HAND: cursorfont.XC_hand2,
self.CURSOR_HELP: cursorfont.XC_question_arrow, # NQR
self.CURSOR_NO: cursorfont.XC_pirate, # NQR
self.CURSOR_SIZE: cursorfont.XC_fleur,
self.CURSOR_SIZE_UP: cursorfont.XC_top_side,
self.CURSOR_SIZE_UP_RIGHT: cursorfont.XC_top_right_corner,
self.CURSOR_SIZE_RIGHT: cursorfont.XC_right_side,
self.CURSOR_SIZE_DOWN_RIGHT: cursorfont.XC_bottom_right_corner,
self.CURSOR_SIZE_DOWN: cursorfont.XC_bottom_side,
self.CURSOR_SIZE_DOWN_LEFT: cursorfont.XC_bottom_left_corner,
self.CURSOR_SIZE_LEFT: cursorfont.XC_left_side,
self.CURSOR_SIZE_UP_LEFT: cursorfont.XC_top_left_corner,
self.CURSOR_SIZE_UP_DOWN: cursorfont.XC_sb_v_double_arrow,
self.CURSOR_SIZE_LEFT_RIGHT: cursorfont.XC_sb_h_double_arrow,
self.CURSOR_TEXT: cursorfont.XC_xterm,
self.CURSOR_WAIT: cursorfont.XC_watch,
self.CURSOR_WAIT_ARROW: cursorfont.XC_watch, # NQR
}
if name not in cursor_shapes:
raise MouseCursorException('Unknown cursor name "%s"' % name)
cursor = xlib.XCreateFontCursor(self._x_display, cursor_shapes[name])
return XlibMouseCursor(cursor)
def set_icon(self, *images):
# Careful! XChangeProperty takes an array of long when data type
# is 32-bit (but long can be 64 bit!), so pad high bytes of format if
# necessary.
import sys
fmt = {('little', 4): 'BGRA',
('little', 8): 'BGRAAAAA',
('big', 4): 'ARGB',
('big', 8): 'AAAAARGB'}[(sys.byteorder, sizeof(c_ulong))]
data = asbytes('')
for image in images:
image = image.get_image_data()
pitch = -(image.width * len(fmt))
s = c_buffer(sizeof(c_ulong) * 2)
memmove(s, cast((c_ulong * 2)(image.width, image.height), POINTER(c_ubyte)), len(s))
data += s.raw + image.get_data(fmt, pitch)
buffer = (c_ubyte * len(data))()
memmove(buffer, data, len(data))
atom = xlib.XInternAtom(self._x_display, asbytes('_NET_WM_ICON'), False)
xlib.XChangeProperty(self._x_display, self._window, atom, XA_CARDINAL,
32, xlib.PropModeReplace, buffer, len(data)//sizeof(c_ulong))
# Private utility
def _set_wm_normal_hints(self):
hints = xlib.XAllocSizeHints().contents
if self._minimum_size:
hints.flags |= xlib.PMinSize
hints.min_width, hints.min_height = self._minimum_size
if self._maximum_size:
hints.flags |= xlib.PMaxSize
hints.max_width, hints.max_height = self._maximum_size
xlib.XSetWMNormalHints(self._x_display, self._window, byref(hints))
def _set_text_property(self, name, value, allow_utf8=True):
atom = xlib.XInternAtom(self._x_display, asbytes(name), False)
if not atom:
raise XlibException('Undefined atom "%s"' % name)
text_property = xlib.XTextProperty()
if _have_utf8 and allow_utf8:
buf = create_string_buffer(value.encode('utf8'))
result = xlib.Xutf8TextListToTextProperty(self._x_display,
cast(pointer(buf), c_char_p),
1, xlib.XUTF8StringStyle,
byref(text_property))
if result < 0:
raise XlibException('Could not create UTF8 text property')
else:
buf = create_string_buffer(value.encode('ascii', 'ignore'))
result = xlib.XStringListToTextProperty(
cast(pointer(buf), c_char_p), 1, byref(text_property))
if result < 0:
raise XlibException('Could not create text property')
xlib.XSetTextProperty(self._x_display, self._window, byref(text_property), atom)
# XXX <rj> Xlib doesn't like us freeing this
# xlib.XFree(text_property.value)
def _set_atoms_property(self, name, values, mode=xlib.PropModeReplace):
name_atom = xlib.XInternAtom(self._x_display, asbytes(name), False)
atoms = []
for value in values:
atoms.append(xlib.XInternAtom(self._x_display, asbytes(value), False))
atom_type = xlib.XInternAtom(self._x_display, asbytes('ATOM'), False)
if len(atoms):
atoms_ar = (xlib.Atom * len(atoms))(*atoms)
xlib.XChangeProperty(self._x_display, self._window,
name_atom, atom_type, 32, mode,
cast(pointer(atoms_ar), POINTER(c_ubyte)), len(atoms))
else:
net_wm_state = xlib.XInternAtom(self._x_display, asbytes('_NET_WM_STATE'), False)
if net_wm_state:
xlib.XDeleteProperty(self._x_display, self._window, net_wm_state)
def _set_wm_state(self, *states):
# Set property
net_wm_state = xlib.XInternAtom(self._x_display, asbytes('_NET_WM_STATE'), False)
atoms = []
for state in states:
atoms.append(xlib.XInternAtom(self._x_display, asbytes(state), False))
atom_type = xlib.XInternAtom(self._x_display, asbytes('ATOM'), False)
if len(atoms):
atoms_ar = (xlib.Atom * len(atoms))(*atoms)
xlib.XChangeProperty(self._x_display, self._window,
net_wm_state, atom_type, 32, xlib.PropModePrepend,
cast(pointer(atoms_ar), POINTER(c_ubyte)), len(atoms))
else:
xlib.XDeleteProperty(self._x_display, self._window, net_wm_state)
# Nudge the WM
e = xlib.XEvent()
e.xclient.type = xlib.ClientMessage
e.xclient.message_type = net_wm_state
e.xclient.display = cast(self._x_display, POINTER(xlib.Display))
e.xclient.window = self._window
e.xclient.format = 32
e.xclient.data.l[0] = xlib.PropModePrepend
for i, atom in enumerate(atoms):
e.xclient.data.l[i + 1] = atom
xlib.XSendEvent(self._x_display, self._get_root(),
False, xlib.SubstructureRedirectMask, byref(e))
# Event handling
def dispatch_events(self):
self.dispatch_pending_events()
self._allow_dispatch_event = True
e = xlib.XEvent()
# Cache these in case window is closed from an event handler
_x_display = self._x_display
_window = self._window
_view = self._view
# Check for the events specific to this window
while xlib.XCheckWindowEvent(_x_display, _window, 0x1ffffff, byref(e)):
# Key events are filtered by the xlib window event
# handler so they get a shot at the prefiltered event.
if e.xany.type not in (xlib.KeyPress, xlib.KeyRelease):
if xlib.XFilterEvent(e, 0):
continue
self.dispatch_platform_event(e)
# Check for the events specific to this view
while xlib.XCheckWindowEvent(_x_display, _view, 0x1ffffff, byref(e)):
# Key events are filtered by the xlib window event
# handler so they get a shot at the prefiltered event.
if e.xany.type not in (xlib.KeyPress, xlib.KeyRelease):
if xlib.XFilterEvent(e, 0):
continue
self.dispatch_platform_event_view(e)
# Generic events for this window (the window close event).
while xlib.XCheckTypedWindowEvent(_x_display, _window, xlib.ClientMessage, byref(e)):
self.dispatch_platform_event(e)
self._allow_dispatch_event = False
def dispatch_pending_events(self):
while self._event_queue:
EventDispatcher.dispatch_event(self, *self._event_queue.pop(0))
# Dispatch any context-related events
if self._lost_context:
self._lost_context = False
EventDispatcher.dispatch_event(self, 'on_context_lost')
if self._lost_context_state:
self._lost_context_state = False
EventDispatcher.dispatch_event(self, 'on_context_state_lost')
def dispatch_platform_event(self, e):
if self._applied_mouse_exclusive is None:
self._update_exclusivity()
event_handler = self._event_handlers.get(e.type)
if event_handler:
event_handler(e)
def dispatch_platform_event_view(self, e):
event_handler = self._view_event_handlers.get(e.type)
if event_handler:
event_handler(e)
@staticmethod
def _translate_modifiers(state):
modifiers = 0
if state & xlib.ShiftMask:
modifiers |= key.MOD_SHIFT
if state & xlib.ControlMask:
modifiers |= key.MOD_CTRL
if state & xlib.LockMask:
modifiers |= key.MOD_CAPSLOCK
if state & xlib.Mod1Mask:
modifiers |= key.MOD_ALT
if state & xlib.Mod2Mask:
modifiers |= key.MOD_NUMLOCK
if state & xlib.Mod4Mask:
modifiers |= key.MOD_WINDOWS
if state & xlib.Mod5Mask:
modifiers |= key.MOD_SCROLLLOCK
return modifiers
# Event handlers
"""
def _event_symbol(self, event):
# pyglet.self.key keysymbols are identical to X11 keysymbols, no
# need to map the keysymbol.
symbol = xlib.XKeycodeToKeysym(self._x_display, event.xkey.keycode, 0)
if symbol == 0:
# XIM event
return None
elif symbol not in key._key_names.keys():
symbol = key.user_key(event.xkey.keycode)
return symbol
"""
def _event_text_symbol(self, ev):
text = None
symbol = xlib.KeySym()
buffer = create_string_buffer(128)
# Look up raw keysym before XIM filters it (default for keypress and
# keyrelease)
count = xlib.XLookupString(ev.xkey, buffer, len(buffer) - 1, byref(symbol), None)
# Give XIM a shot
filtered = xlib.XFilterEvent(ev, ev.xany.window)
if ev.type == xlib.KeyPress and not filtered:
status = c_int()
if _have_utf8:
encoding = 'utf8'
count = xlib.Xutf8LookupString(self._x_ic,
ev.xkey,
buffer, len(buffer) - 1,
byref(symbol), byref(status))
if status.value == xlib.XBufferOverflow:
raise NotImplementedError('TODO: XIM buffer resize')
else:
encoding = 'ascii'
count = xlib.XLookupString(ev.xkey, buffer, len(buffer) - 1, byref(symbol), None)
if count:
status.value = xlib.XLookupBoth
if status.value & (xlib.XLookupChars | xlib.XLookupBoth):
text = buffer.value[:count].decode(encoding)
# Don't treat Unicode command codepoints as text, except Return.
if text and unicodedata.category(text) == 'Cc' and text != '\r':
text = None
symbol = symbol.value
# If the event is a XIM filtered event, the keysym will be virtual
# (e.g., aacute instead of A after a dead key). Drop it, we don't
# want these kind of key events.
if ev.xkey.keycode == 0 and not filtered:
symbol = None
# pyglet.self.key keysymbols are identical to X11 keysymbols, no
# need to map the keysymbol. For keysyms outside the pyglet set, map
# raw key code to a user key.
if symbol and symbol not in key._key_names and ev.xkey.keycode:
# Issue 353: Symbol is uppercase when shift key held down.
try:
symbol = ord(chr(symbol).lower())
except ValueError:
# Not a valid unichr, use the keycode
symbol = key.user_key(ev.xkey.keycode)
else:
# If still not recognised, use the keycode
if symbol not in key._key_names:
symbol = key.user_key(ev.xkey.keycode)
if filtered:
# The event was filtered, text must be ignored, but the symbol is
# still good.
return None, symbol
return text, symbol
@staticmethod
def _event_text_motion(symbol, modifiers):
if modifiers & key.MOD_ALT:
return None
ctrl = modifiers & key.MOD_CTRL != 0
return _motion_map.get((symbol, ctrl), None)
@ViewEventHandler
@XlibEventHandler(xlib.KeyPress)
@XlibEventHandler(xlib.KeyRelease)
def _event_key_view(self, ev):
# Try to detect autorepeat ourselves if the server doesn't support it
# XXX: Doesn't always work, better off letting the server do it
global _can_detect_autorepeat
if not _can_detect_autorepeat and ev.type == xlib.KeyRelease:
# Look in the queue for a matching KeyPress with same timestamp,
# indicating an auto-repeat rather than actual key event.
saved = []
while True:
auto_event = xlib.XEvent()
result = xlib.XCheckWindowEvent(self._x_display,
self._window, xlib.KeyPress|xlib.KeyRelease,
byref(auto_event))
if not result:
break
saved.append(auto_event)
if auto_event.type == xlib.KeyRelease:
# just save this off for restoration back to the queue
continue
if ev.xkey.keycode == auto_event.xkey.keycode:
# Found a key repeat: dispatch EVENT_TEXT* event
text, symbol = self._event_text_symbol(auto_event)
modifiers = self._translate_modifiers(ev.xkey.state)
modifiers_ctrl = modifiers & (key.MOD_CTRL | key.MOD_ALT)
motion = self._event_text_motion(symbol, modifiers)
if motion:
if modifiers & key.MOD_SHIFT:
self.dispatch_event(
'on_text_motion_select', motion)
else:
self.dispatch_event('on_text_motion', motion)
elif text and not modifiers_ctrl:
self.dispatch_event('on_text', text)
ditched = saved.pop()
for auto_event in reversed(saved):
xlib.XPutBackEvent(self._x_display, byref(auto_event))
return
else:
# Key code of press did not match, therefore no repeating
# is going on, stop searching.
break
# Whoops, put the events back, it's for real.
for auto_event in reversed(saved):
xlib.XPutBackEvent(self._x_display, byref(auto_event))
text, symbol = self._event_text_symbol(ev)
modifiers = self._translate_modifiers(ev.xkey.state)
modifiers_ctrl = modifiers & (key.MOD_CTRL | key.MOD_ALT)
motion = self._event_text_motion(symbol, modifiers)
if ev.type == xlib.KeyPress:
if symbol and (not _can_detect_autorepeat or symbol not in self.pressed_keys):
self.dispatch_event('on_key_press', symbol, modifiers)
if _can_detect_autorepeat:
self.pressed_keys.add(symbol)
if motion:
if modifiers & key.MOD_SHIFT:
self.dispatch_event('on_text_motion_select', motion)
else:
self.dispatch_event('on_text_motion', motion)
elif text and not modifiers_ctrl:
self.dispatch_event('on_text', text)
elif ev.type == xlib.KeyRelease:
if symbol:
self.dispatch_event('on_key_release', symbol, modifiers)
if _can_detect_autorepeat and symbol in self.pressed_keys:
self.pressed_keys.remove(symbol)
@XlibEventHandler(xlib.KeyPress)
@XlibEventHandler(xlib.KeyRelease)
def _event_key(self, ev):
return self._event_key_view(ev)
@ViewEventHandler
@XlibEventHandler(xlib.MotionNotify)
def _event_motionnotify_view(self, ev):
x = ev.xmotion.x
y = self.height - ev.xmotion.y
if self._mouse_in_window:
dx = x - self._mouse_x
dy = y - self._mouse_y
else:
dx = dy = 0
if self._applied_mouse_exclusive \
and (ev.xmotion.x, ev.xmotion.y) == self._mouse_exclusive_client:
# Ignore events caused by XWarpPointer
self._mouse_x = x
self._mouse_y = y
return
if self._applied_mouse_exclusive:
# Reset pointer position
ex, ey = self._mouse_exclusive_client
xlib.XWarpPointer(self._x_display,
0,
self._window,
0, 0,
0, 0,
ex, ey)
self._mouse_x = x
self._mouse_y = y
self._mouse_in_window = True
buttons = 0
if ev.xmotion.state & xlib.Button1MotionMask:
buttons |= mouse.LEFT
if ev.xmotion.state & xlib.Button2MotionMask:
buttons |= mouse.MIDDLE
if ev.xmotion.state & xlib.Button3MotionMask:
buttons |= mouse.RIGHT
if buttons:
# Drag event
modifiers = self._translate_modifiers(ev.xmotion.state)
self.dispatch_event('on_mouse_drag', x, y, dx, dy, buttons, modifiers)
else:
# Motion event
self.dispatch_event('on_mouse_motion', x, y, dx, dy)
@XlibEventHandler(xlib.MotionNotify)
def _event_motionnotify(self, ev):
# Window motion looks for drags that are outside the view but within
# the window.
buttons = 0
if ev.xmotion.state & xlib.Button1MotionMask:
buttons |= mouse.LEFT
if ev.xmotion.state & xlib.Button2MotionMask:
buttons |= mouse.MIDDLE
if ev.xmotion.state & xlib.Button3MotionMask:
buttons |= mouse.RIGHT
if buttons:
# Drag event
x = ev.xmotion.x - self._view_x
y = self._height - (ev.xmotion.y - self._view_y)
if self._mouse_in_window:
dx = x - self._mouse_x
dy = y - self._mouse_y
else:
dx = dy = 0
self._mouse_x = x
self._mouse_y = y
modifiers = self._translate_modifiers(ev.xmotion.state)
self.dispatch_event('on_mouse_drag', x, y, dx, dy, buttons, modifiers)
@XlibEventHandler(xlib.ClientMessage)
def _event_clientmessage(self, ev):
atom = ev.xclient.data.l[0]
if atom == xlib.XInternAtom(ev.xclient.display, asbytes('WM_DELETE_WINDOW'), False):
self.dispatch_event('on_close')
elif (self._enable_xsync and
atom == xlib.XInternAtom(ev.xclient.display,
asbytes('_NET_WM_SYNC_REQUEST'), False)):
lo = ev.xclient.data.l[2]
hi = ev.xclient.data.l[3]
self._current_sync_value = xsync.XSyncValue(hi, lo)
elif ev.xclient.message_type == self._xdnd_atoms['XdndPosition']:
self._event_drag_position(ev)
elif ev.xclient.message_type == self._xdnd_atoms['XdndDrop']:
self._event_drag_drop(ev)
elif ev.xclient.message_type == self._xdnd_atoms['XdndEnter']:
self._event_drag_enter(ev)
def _event_drag_drop(self, ev):
if self._xdnd_version > XDND_VERSION:
return
time = xlib.CurrentTime
if self._xdnd_format:
if self._xdnd_version >= 1:
time = ev.xclient.data.l[2]
# Convert to selection notification.
xlib.XConvertSelection(self._x_display,
self._xdnd_atoms['XdndSelection'],
self._xdnd_format,
self._xdnd_atoms['XdndSelection'],
self._window,
time)
xlib.XFlush(self._x_display)
elif self._xdnd_version >= 2:
# If no format send finished with no data.
e = xlib.XEvent()
e.xclient.type = xlib.ClientMessage
e.xclient.message_type = self._xdnd_atoms['XdndFinished']
e.xclient.display = cast(self._x_display, POINTER(xlib.Display))
e.xclient.window = self._window
e.xclient.format = 32
e.xclient.data.l[0] = self._window
e.xclient.data.l[1] = 0
e.xclient.data.l[2] = None
xlib.XSendEvent(self._x_display, self._xdnd_source,
False, xlib.NoEventMask, byref(e))
xlib.XFlush(self._x_display)
def _event_drag_position(self, ev):
if self._xdnd_version > XDND_VERSION:
return
xoff = (ev.xclient.data.l[2] >> 16) & 0xffff
yoff = (ev.xclient.data.l[2]) & 0xffff
# Need to convert the position to actual window coordinates with the screen offset
child = xlib.Window()
x = c_int()
y = c_int()
xlib.XTranslateCoordinates(self._x_display,
self._get_root(),
self._window,
xoff, yoff,
byref(x),
byref(y),
byref(child))
self._xdnd_position = (x.value, y.value)
e = xlib.XEvent()
e.xclient.type = xlib.ClientMessage
e.xclient.message_type = self._xdnd_atoms['XdndStatus']
e.xclient.display = cast(self._x_display, POINTER(xlib.Display))
e.xclient.window = ev.xclient.data.l[0]
e.xclient.format = 32
e.xclient.data.l[0] = self._window
e.xclient.data.l[2] = 0
e.xclient.data.l[3] = 0
if self._xdnd_format:
e.xclient.data.l[1] = 1
if self._xdnd_version >= 2:
e.xclient.data.l[4] = self._xdnd_atoms['XdndActionCopy']
xlib.XSendEvent(self._x_display, self._xdnd_source,
False, xlib.NoEventMask, byref(e))
xlib.XFlush(self._x_display)
def _event_drag_enter(self, ev):
self._xdnd_source = ev.xclient.data.l[0]
self._xdnd_version = ev.xclient.data.l[1] >> 24
self._xdnd_format = None
if self._xdnd_version > XDND_VERSION:
return
three_or_more = ev.xclient.data.l[1] & 1
# Search all of them (usually 8)
if three_or_more:
data, count = self.get_single_property(self._xdnd_source, self._xdnd_atoms['XdndTypeList'], XA_ATOM)
data = cast(data, POINTER(xlib.Atom))
else:
# Some old versions may only have 3? Needs testing.
count = 3
data = ev.xclient.data.l + 2
# Check all of the properties we received from the dropped item and verify it support URI.
for i in range(count):
if data[i] == self._xdnd_atoms['text/uri-list']:
self._xdnd_format = self._xdnd_atoms['text/uri-list']
break
if data:
xlib.XFree(data)
def get_single_property(self, window, atom_property, atom_type):
""" Returns the length and data of a window property. """
actualAtom = xlib.Atom()
actualFormat = c_int()
itemCount = c_ulong()
bytesAfter = c_ulong()
data = POINTER(c_ubyte)()
xlib.XGetWindowProperty(self._x_display, window,
atom_property, 0, 2147483647, False, atom_type,
byref(actualAtom),
byref(actualFormat),
byref(itemCount),
byref(bytesAfter),
data)
return data, itemCount.value
@XlibEventHandler(xlib.SelectionNotify)
def _event_selection_notification(self, ev):
if ev.xselection.property != 0 and ev.xselection.selection == self._xdnd_atoms['XdndSelection']:
if self._xdnd_format:
# This will get the data
data, count = self.get_single_property(ev.xselection.requestor,
ev.xselection.property,
ev.xselection.target)
buffer = create_string_buffer(count)
memmove(buffer, data, count)
formatted_paths = self.parse_filenames(buffer.value.decode())
e = xlib.XEvent()
e.xclient.type = xlib.ClientMessage
e.xclient.message_type = self._xdnd_atoms['XdndFinished']
e.xclient.display = cast(self._x_display, POINTER(xlib.Display))
e.xclient.window = self._window
e.xclient.format = 32
e.xclient.data.l[0] = self._xdnd_source
e.xclient.data.l[1] = 1
e.xclient.data.l[2] = self._xdnd_atoms['XdndActionCopy']
xlib.XSendEvent(self._x_display, self._get_root(),
False, xlib.NoEventMask, byref(e))
xlib.XFlush(self._x_display)
xlib.XFree(data)
self.dispatch_event('on_file_drop', self._xdnd_position[0], self._height - self._xdnd_position[1], formatted_paths)
@staticmethod
def parse_filenames(decoded_string):
"""All of the filenames from file drops come as one big string with
some special characters (%20), this will parse them out.
"""
import sys
different_files = decoded_string.splitlines()
parsed = []
for filename in different_files:
if filename:
filename = urllib.parse.urlsplit(filename).path
encoding = sys.getfilesystemencoding()
parsed.append(urllib.parse.unquote(filename, encoding))
return parsed
def _sync_resize(self):
if self._enable_xsync and self._current_sync_valid:
if xsync.XSyncValueIsZero(self._current_sync_value):
self._current_sync_valid = False
return
xsync.XSyncSetCounter(self._x_display,
self._sync_counter,
self._current_sync_value)
self._current_sync_value = None
self._current_sync_valid = False
@ViewEventHandler
@XlibEventHandler(xlib.ButtonPress)
@XlibEventHandler(xlib.ButtonRelease)
def _event_button(self, ev):
x = ev.xbutton.x
y = self.height - ev.xbutton.y
button = 1 << (ev.xbutton.button - 1) # 1, 2, 3 -> 1, 2, 4
modifiers = self._translate_modifiers(ev.xbutton.state)
if ev.type == xlib.ButtonPress:
# override_redirect issue: manually activate this window if
# fullscreen.
if self._override_redirect and not self._active:
self.activate()
if ev.xbutton.button == 4:
self.dispatch_event('on_mouse_scroll', x, y, 0, 1)
elif ev.xbutton.button == 5:
self.dispatch_event('on_mouse_scroll', x, y, 0, -1)
elif ev.xbutton.button < len(self._mouse_buttons):
self._mouse_buttons[ev.xbutton.button] = True
self.dispatch_event('on_mouse_press', x, y, button, modifiers)
else:
if ev.xbutton.button < 4:
self._mouse_buttons[ev.xbutton.button] = False
self.dispatch_event('on_mouse_release', x, y, button, modifiers)
@ViewEventHandler
@XlibEventHandler(xlib.Expose)
def _event_expose(self, ev):
# Ignore all expose events except the last one. We could be told
# about exposure rects - but I don't see the point since we're
# working with OpenGL and we'll just redraw the whole scene.
if ev.xexpose.count > 0:
return
self.dispatch_event('on_expose')
@ViewEventHandler
@XlibEventHandler(xlib.EnterNotify)
def _event_enternotify(self, ev):
# figure active mouse buttons
# XXX ignore modifier state?
state = ev.xcrossing.state
self._mouse_buttons[1] = state & xlib.Button1Mask
self._mouse_buttons[2] = state & xlib.Button2Mask
self._mouse_buttons[3] = state & xlib.Button3Mask
self._mouse_buttons[4] = state & xlib.Button4Mask
self._mouse_buttons[5] = state & xlib.Button5Mask
# mouse position
x = self._mouse_x = ev.xcrossing.x
y = self._mouse_y = self.height - ev.xcrossing.y
self._mouse_in_window = True
# XXX there may be more we could do here
self.dispatch_event('on_mouse_enter', x, y)
@ViewEventHandler
@XlibEventHandler(xlib.LeaveNotify)
def _event_leavenotify(self, ev):
x = self._mouse_x = ev.xcrossing.x
y = self._mouse_y = self.height - ev.xcrossing.y
self._mouse_in_window = False
self.dispatch_event('on_mouse_leave', x, y)
@XlibEventHandler(xlib.ConfigureNotify)
def _event_configurenotify(self, ev):
if self._enable_xsync and self._current_sync_value:
self._current_sync_valid = True
if self._fullscreen:
return
self.switch_to()
w, h = ev.xconfigure.width, ev.xconfigure.height
x, y = ev.xconfigure.x, ev.xconfigure.y
if self._width != w or self._height != h:
self._width = w
self._height = h
self._update_view_size()
self.dispatch_event('on_resize', self._width, self._height)
if self._x != x or self._y != y:
self.dispatch_event('on_move', x, y)
self._x = x
self._y = y
@XlibEventHandler(xlib.FocusIn)
def _event_focusin(self, ev):
self._active = True
self._update_exclusivity()
self.dispatch_event('on_activate')
xlib.XSetICFocus(self._x_ic)
@XlibEventHandler(xlib.FocusOut)
def _event_focusout(self, ev):
self._active = False
self._update_exclusivity()
self.dispatch_event('on_deactivate')
xlib.XUnsetICFocus(self._x_ic)
@XlibEventHandler(xlib.MapNotify)
def _event_mapnotify(self, ev):
self._mapped = True
self.dispatch_event('on_show')
self._update_exclusivity()
@XlibEventHandler(xlib.UnmapNotify)
def _event_unmapnotify(self, ev):
self._mapped = False
self.dispatch_event('on_hide')
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