1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
################################################
## pygame-based implementation of xshm ##
################################################
import os, sys
from Xlib import X, display
# -*-*- SLOOWWW -*-*-
import psyco; psyco.full()
class Display:
def __init__(self, width, height, title):
self.dpy = display.Display()
self.default_scr = self.dpy.screen()
self.root = self.default_scr.root
self.width = width
self.height = height
self.depth = self.default_scr.root_depth
self.backpixmap = self.root.create_pixmap(width, height, self.depth)
self.win = self.root.create_window(
0, 0, width, height, 0, self.depth,
override_redirec = 0,
background_pixel = self.default_scr.black_pixel,
backing_store = X.NotUseful,
)
self.win.map()
self.gc = self.win.create_gc()
self.gc_and = self.win.create_gc()
self.gc_or = self.win.create_gc()
self.gc.change(foreground = self.default_scr.black_pixel)
self.gc_and.change(function = X.GXand)
self.gc_or .change(function = X.GXor)
self.selectinput = 0
self.keyev = []
self.mouseev = []
self.motionev = None
self.dpy.flush()
pixel = b"\x00\x00\x80"
hole = b"\x01\x01\x01"
self.taskbkgnd = self.pixmap(32, 32,
((pixel+hole)*16 + (hole+pixel)*16) * 16,
0x010101)
def pixmap(self, w, h, data, colorkey=-1):
print('.', end=' ', file=sys.stderr)
extent = w*h
depth = self.depth
if depth >= 24:
bitmap_pad = 32
else:
bitmap_pad = 16
scanline = ((w+bitmap_pad-1) & ~(bitmap_pad-1)) / 8;
if colorkey >= 0:
key = (chr(colorkey >> 16) +
chr((colorkey>>8) & 0xFF) +
chr(colorkey & 0xFF))
else:
key = None
if depth == 15:
p_size = 5, 5, 5
elif depth == 16:
p_size = 5, 6, 5
elif depth == 24 or depth == 32:
p_size = 8, 8, 8
else:
raise ValueError('unsupported screen depth %d' % depth)
imgdata = []
maskdata = []
for color in range(3):
plane = 128
while plane >= (1<<(8-p_size[color])):
src = 0
for y in range(h):
imgline = 0
maskline = 0
shifter = 1
for x in range(w):
if data[src:src+3] == key:
# transparent
maskline |= shifter
elif ord(data[src+color]) & plane:
imgline |= shifter
shifter <<= 1
src += 3
imgdata.append(long2string(imgline, scanline))
maskdata.append(long2string(maskline, scanline))
plane /= 2
imgdata = b''.join(imgdata)
if colorkey >= 0:
maskdata = b''.join(maskdata)
mask = self.win.create_pixmap(w, h, depth)
mask.put_image(self.gc, 0, 0, w, h, X.XYPixmap, depth, 0, maskdata)
else:
mask = None
imgdata = b''.join(imgdata)
image = self.win.create_pixmap(w, h, depth)
image.put_image(self.gc, 0, 0, w, h, X.XYPixmap, depth, 0, imgdata)
image.mask = mask
image.size = w, h
return image
def getppm(self, xxx_todo_changeme, bkgnd=None):
(x, y, w, h) = xxx_todo_changeme
if bkgnd is None:
bkgnd = self.win.create_pixmap(w, h, self.depth)
bkgnd.mask = None
bkgnd.size = w, h
bkgnd.copy_area(self.gc, self.backpixmap, x, y, w, h, 0, 0)
return bkgnd
def putppm(self, x, y, image, rect=None):
if rect:
x1, y1, w1, h1 = rect
else:
x1 = y1 = 0
w1, h1 = image.size
if image.mask is None:
self.backpixmap.copy_area(self.gc, image, x1, y1, w1, h1, x, y)
else:
self.backpixmap.copy_area(self.gc_and, image.mask,
x1, y1, w1, h1, x, y)
self.backpixmap.copy_area(self.gc_or, image,
x1, y1, w1, h1, x, y)
def flip(self):
self.win.copy_area(self.gc, self.backpixmap,
0, 0, self.width, self.height, 0, 0)
self.dpy.flush()
self.readXevents()
def close(self):
self.dpy.close()
def clear(self):
self.backpixmap.fill_rectangle(self.gc, 0, 0, self.width, self.height)
def readXevents(self):
n = self.dpy.pending_events()
if n:
for i in range(n):
event = self.dpy.next_event()
if event.type == X.KeyPress or event.type == X.KeyRelease:
self.keyev.append((event.detail, event.type))
elif event.type == X.ButtonPress:
self.mouseev.append((event.event_x, event.event_y))
elif event.type == X.MotionNotify:
self.motionev = event.event_x, event.event_y
elif event.type == X.DestroyNotify:
raise SystemExit
self.readXevents()
def enable_event(self, mask):
self.selectinput |= mask
self.win.change_attributes(event_mask=self.selectinput)
def keyevents(self):
if not (self.selectinput & X.KeyReleaseMask):
self.enable_event(X.KeyPressMask | X.KeyReleaseMask)
self.readXevents()
result = self.keyev
self.keyev = []
return result
def mouseevents(self):
if not (self.selectinput & X.ButtonPressMask):
self.enable_event(X.ButtonPressMask)
result = self.mouseev
self.mouseev = []
return result
def pointermotion(self):
result = self.motionev
self.motionev = None
return result
def has_sound(self):
return 0
def selectlist(self):
from socket import fromfd, AF_INET, SOCK_STREAM
return [fromfd(self.dpy.fileno(), AF_INET, SOCK_STREAM)]
def taskbar(self, xxx_todo_changeme1):
(x, y, w, h) = xxx_todo_changeme1
for j in range(y, y+h, 32):
for i in range(x, x+w, 32):
self.putppm(i, j, self.taskbkgnd,
(0, 0, x+w-i, y+h-j))
def long2string(bits, strlen):
return b''.join([chr((bits>>n)&0xFF) for n in range(0, 8*strlen, 8)])
|
