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import sys
import importlib
import traceback
# import display.dpy_pygame
KeyPressed = 2
KeyReleased = 3
class BaseDisplay:
__taskbkgnd = None
def taskbar(self, s):
(x, y, w, h) = s
if self.__taskbkgnd is None:
pixel = "\x00\x00\x80"
hole = "\x01\x01\x01"
self.__taskbkgnd = self.pixmap(32, 32,
((pixel+hole)*16 + (hole+pixel)*16) * 16, 0x010101)
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))
class Mode:
low_priority = 0
def __init__(self, name, descr, extraoptsdescr,
options={}, url=None):
self.name = name
self.descr = descr
self.extraoptsdescr = extraoptsdescr
self.options = options.copy()
self.url = url
def getmodule(self):
# import dpy_pygame
print( f"getmodule __import__ {self.prefix}{self.name.lower()}", file=sys.stderr )
return importlib.import_module( "display." + self.prefix + self.name.lower() )
#__import__(self.prefix + self.name.lower(), globals(),
# locals(), ['available'])
def imperror(self):
try:
return self.__imperror
except AttributeError:
try:
print( f"getmodule = {self}" )
module = self.getmodule()
except ImportError as e:
result = 'not installed'
print("== ImportError traceback:", file=sys.stderr )
traceback.print_exc(file=sys.stderr)
else:
result = hasattr(module, 'imperror') and module.imperror()
self.__imperror = result
print( f"imperror result={result}" )
return result
def unique_id(self):
return self.prefix + self.name
def printline(self, f):
err = self.imperror()
if err:
state = ' [%s]' % err
else:
state = ''
print(' %-8s %s%s' % (self.name, self.descr, state), file=f)
if self.url:
print(' %s' % self.url, file=f)
for line in self.extraoptsdescr:
print(' %s' % line, file=f)
def getformaloptions(self):
return '', [c+'=' for c in list(self.options.keys())]
def setoptions(self, options):
for key in list(self.options.keys()):
if '--'+key in options:
self.options[key] = options['--'+key]
def currentdriver(self):
lst = list(self.options.items())
lst.sort()
lst = ['--%s=%s' % keyvalue for keyvalue in lst]
return ' '.join([self.name] + lst)
def htmloptionstext(self, *args):
if self.imperror():
return None
module = self.getmodule()
return (hasattr(module, 'htmloptionstext') and
module.htmloptionstext(*args))
class GraphicMode(Mode):
prefix = 'dpy_'
class SoundMode(Mode):
prefix = 'snd_'
def graphicmodeslist():
return [
GraphicMode('X', 'XWindow (Linux/Unix)',
['--shm=yes use the Shared Memory extension (default)',
'--shm=no disable it (for remote connections or old X servers)',
],
{'shm': 'yes'}),
GraphicMode('windows', 'MS Windows', []),
GraphicMode('pygame', 'PyGame library (all platforms)',
['--fullscreen=yes go full screen (Esc key to exit)',
'--transparency=yes slightly transparent bubbles (default)',
'--transparency=no disable it (a bit faster)',
'--zoom=xxx% scale image by xxx %',
'--smooth smoothed scaled image',
'--smoothfast semi-smoothed, for 200% scale only'],
{'transparency': 'yes', 'fullscreen': 'no',
'zoom': '100', 'smooth': 'yes', 'smoothfast': 'no'},
url='http://www.pygame.org'),
GraphicMode('gtk', 'PyGTK (Gnome)',
['--zoom=xxx% scale image by xxx %'],
{'zoom': '100'},
url='http://www.pygtk.org/'),
]
def soundmodeslist():
return [
SoundMode('pygame', 'PyGame library mixer (all platforms)',
[], url='http://www.pygame.org'),
SoundMode('linux', 'audio mixer for Linux',
['--freq=# mixer frequency (default 44100)',
'--fmt=# data format (default S16_NE, --fmt=list for a list)'],
{'freq': '44100', 'fmt': 'S16_NE'}),
SoundMode('windows', 'audio mixer for Windows',
['--freq=# mixer frequency (default 44100)',
'--bits=# bits per sample (8 or default 16)'],
{'freq': '44100', 'bits': '16'}),
SoundMode('off', 'no sounds', []),
]
def findmode(name, lst):
if name is None:
# find the first installed mode
last_chance = None
for info in lst:
err = info.imperror()
if err:
continue
if info.low_priority:
if last_chance is None:
last_chance = info
else:
return info
if last_chance is not None:
return last_chance
raise KeyError('no driver available!')
else:
# find mode by name
for info in lst:
if info.name.upper() == name.upper():
err = info.imperror()
if err:
raise KeyError('%s: %s' % (info.name, err))
return info
raise KeyError('%s: no such driver' % name)
def findmode_err(*args):
try:
return findmode(*args)
except KeyError as e:
print(str(e), file=sys.stderr)
sys.exit(1)
def open_dpy(mode, width, height, title):
driver, sound, extraopts = mode
ginfo = findmode_err(driver, graphicmodeslist())
ginfo.setoptions(extraopts)
dpy = ginfo.getmodule().Display(width, height, title, **ginfo.options)
print('graphics driver:', ginfo.currentdriver())
return dpy
def open_snd(mode):
driver, sound, extraopts = mode
sinfo = findmode_err(sound, soundmodeslist())
sinfo.setoptions(extraopts)
snd = sinfo.getmodule().Sound(**sinfo.options)
if snd.has_sound:
sinfo.options['music'] = 'yes'
sinfo.setoptions(extraopts)
if (sinfo.options['music'].startswith('n') or
sinfo.options['music'] == 'off'):
snd.has_music = 0
print('sound driver:', sinfo.currentdriver())
return snd
else:
return None
def musichtmloptiontext(nameval):
return '''<font size=-1>
<%s> Background music</input><%s>
</font>''' % (nameval("checkbox", "music", "yes", default="yes", mangling=0),
nameval("hidden", "music", "no", mangling=0))
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