634 lines
16 KiB
Python
634 lines
16 KiB
Python
"A sort of application framework for the Mac"
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DEBUG=0
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import MacOS
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import traceback
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from addpack import addpack
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addpack('Tools')
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addpack('bgen')
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addpack('ae')
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addpack('ctl')
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addpack('dlg')
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addpack('evt')
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addpack('menu')
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addpack('qd')
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#addpack('res')
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#addpack('snd')
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addpack('win')
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from AE import *
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from AppleEvents import *
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from Ctl import *
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from Controls import *
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from Dlg import *
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from Dialogs import *
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from Evt import *
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from Events import *
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from Menu import *
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from Menus import *
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from Qd import *
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from QuickDraw import *
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#from Res import *
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#from Resources import *
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#from Snd import *
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#from Sound import *
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from Win import *
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from Windows import *
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import EasyDialogs
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kHighLevelEvent = 23 # Don't know what header file this should come from
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# Map event 'what' field to strings
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eventname = {}
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eventname[1] = 'mouseDown'
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eventname[2] = 'mouseUp'
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eventname[3] = 'keyDown'
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eventname[4] = 'keyUp'
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eventname[5] = 'autoKey'
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eventname[6] = 'updateEvt'
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eventname[7] = 'diskEvt'
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eventname[8] = 'activateEvt'
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eventname[15] = 'osEvt'
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eventname[23] = 'kHighLevelEvent'
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# Map part codes returned by WhichWindow() to strings
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partname = {}
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partname[0] = 'inDesk'
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partname[1] = 'inMenuBar'
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partname[2] = 'inSysWindow'
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partname[3] = 'inContent'
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partname[4] = 'inDrag'
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partname[5] = 'inGrow'
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partname[6] = 'inGoAway'
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partname[7] = 'inZoomIn'
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partname[8] = 'inZoomOut'
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# A rectangle that's bigger than the screen,
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# but not so big that adding the screen size to it will cause 16-bit overflow
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everywhere = (-16000, -16000, 16000, 16000)
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class Application:
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"Application framework -- your application should be a derived class"
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def __init__(self):
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self._windows = {}
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self.makemenubar()
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def makemenubar(self):
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self.menubar = MenuBar()
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AppleMenu(self.menubar, self.getabouttext(), self.do_about)
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self.makeusermenus()
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def appendwindow(self, wid, window):
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self._windows[wid] = window
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def removewindow(self, wid):
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del self._windows[wid]
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def getabouttext(self):
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return "About %s..." % self.__class__.__name__
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def do_about(self, id, item, window, event):
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EasyDialogs.Message("Hello, world!" + "\015(%s)" % self.__class__.__name__)
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# The main event loop is broken up in several simple steps.
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# This is done so you can override each individual part,
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# if you have a need to do extra processing independent of the
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# event type.
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# Normally, however, you'd just define handlers for individual
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# events.
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# (XXX I'm not sure if using default parameter values is the right
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# way to define the mask and wait time passed to WaitNextEvent.)
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def mainloop(self, mask = everyEvent, wait = 0):
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saveyield = MacOS.EnableAppswitch(self.yield)
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try:
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while 1:
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try:
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self.do1event(mask, wait)
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except (Application, SystemExit):
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break
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finally:
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MacOS.EnableAppswitch(saveyield)
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yield = -1
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def do1event(self, mask = everyEvent, wait = 0):
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ok, event = self.getevent(mask, wait)
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if IsDialogEvent(event):
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if self.do_dialogevent(event):
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return
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if ok:
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self.dispatch(event)
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else:
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self.idle()
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def idle(self):
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pass
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def getevent(self, mask = everyEvent, wait = 0):
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ok, event = WaitNextEvent(mask, wait)
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return ok, event
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def dispatch(self, event):
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(what, message, when, where, modifiers) = event
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if eventname.has_key(what):
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name = "do_" + eventname[what]
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else:
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name = "do_%d" % what
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try:
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handler = getattr(self, name)
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except AttributeError:
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handler = self.do_unknownevent
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handler(event)
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def do_dialogevent(self, event):
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gotone, window, item = DialogSelect(event)
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if gotone:
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if self._windows.has_key(window):
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self._windows[window].do_itemhit(item, event)
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else:
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print 'Dialog event for unknown dialog'
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return 1
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return 0
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def do_mouseDown(self, event):
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(what, message, when, where, modifiers) = event
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partcode, wid = FindWindow(where)
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#
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# Find the correct name.
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#
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if partname.has_key(partcode):
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name = "do_" + partname[partcode]
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else:
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name = "do_%d" % partcode
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if wid == None:
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# No window, or a non-python window
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try:
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handler = getattr(self, name)
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except AttributeError:
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# Not menubar or something, so assume someone
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# else's window
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MacOS.HandleEvent(event)
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return
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elif self._windows.has_key(wid):
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# It is a window. Hand off to correct window.
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window = self._windows[wid]
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try:
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handler = getattr(window, name)
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except AttributeError:
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handler = self.do_unknownpartcode
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else:
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# It is a python-toolbox window, but not ours.
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handler = self.do_unknownwindow
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handler(partcode, wid, event)
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def do_inSysWindow(self, partcode, window, event):
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MacOS.HandleEvent(event)
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def do_inDesk(self, partcode, window, event):
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MacOS.HandleEvent(event)
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def do_inMenuBar(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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result = MenuSelect(where)
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id = (result>>16) & 0xffff # Hi word
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item = result & 0xffff # Lo word
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self.do_rawmenu(id, item, window, event)
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def do_rawmenu(self, id, item, window, event):
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try:
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self.do_menu(id, item, window, event)
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finally:
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HiliteMenu(0)
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def do_menu(self, id, item, window, event):
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self.menubar.dispatch(id, item, window, event)
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def do_unknownpartcode(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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if DEBUG: print "Mouse down at global:", where
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if DEBUG: print "\tUnknown part code:", partcode
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if DEBUG: print "\tEvent:", self.printevent(event)
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MacOS.HandleEvent(event)
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def do_unknownwindow(self, partcode, window, event):
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if DEBUG: print 'Unknown window:', window
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MacOS.HandleEvent(event)
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def do_keyDown(self, event):
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self.do_key(event)
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def do_autoKey(self, event):
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if not event[-1] & cmdKey:
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self.do_key(event)
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def do_key(self, event):
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(what, message, when, where, modifiers) = event
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c = chr(message & charCodeMask)
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if modifiers & cmdKey:
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if c == '.':
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raise self
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else:
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result = MenuKey(ord(c))
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id = (result>>16) & 0xffff # Hi word
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item = result & 0xffff # Lo word
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if id:
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self.do_rawmenu(id, item, None, event)
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# elif c == 'w':
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# w = FrontWindow()
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# if w:
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# self.do_close(w)
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# else:
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# if DEBUG: print 'Command-W without front window'
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else:
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if DEBUG: print "Command-" +`c`
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else:
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# See whether the front window wants it
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w = FrontWindow()
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if w and self._windows.has_key(w):
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window = self._windows[w]
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try:
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do_char = window.do_char
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except AttributeError:
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do_char = self.do_char
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do_char(c, event)
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def do_char(self, c, event):
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if DEBUG: print "Character", `c`
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def do_updateEvt(self, event):
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(what, message, when, where, modifiers) = event
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wid = WhichWindow(message)
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if wid and self._windows.has_key(wid):
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window = self._windows[wid]
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window.do_rawupdate(wid, event)
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else:
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MacOS.HandleEvent(event)
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def do_activateEvt(self, event):
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(what, message, when, where, modifiers) = event
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wid = WhichWindow(message)
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if wid and self._windows.has_key(wid):
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window = self._windows[wid]
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window.do_activate(modifiers & 1, event)
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else:
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MacOS.HandleEvent(event)
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def do_osEvt(self, event):
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(what, message, when, where, modifiers) = event
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which = (message >> 24) & 0xff
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if which == 1: # suspend/resume
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self.do_suspendresume(event)
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else:
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if DEBUG:
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print 'unknown osEvt:',
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self.printevent(event)
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def do_suspendresume(self, event):
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# Is this a good idea???
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(what, message, when, where, modifiers) = event
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w = FrontWindow()
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if w:
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nev = (activateEvt, w, when, where, message&1)
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self.do_activateEvt(self, nev)
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def do_kHighLevelEvent(self, event):
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(what, message, when, where, modifiers) = event
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if DEBUG:
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print "High Level Event:",
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self.printevent(event)
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try:
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AEProcessAppleEvent(event)
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except:
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print "AEProcessAppleEvent error:"
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traceback.print_exc()
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def do_unknownevent(self, event):
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if DEBUG:
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print "Unhandled event:",
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self.printevent(event)
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def printevent(self, event):
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(what, message, when, where, modifiers) = event
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nicewhat = `what`
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if eventname.has_key(what):
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nicewhat = eventname[what]
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print nicewhat,
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if what == kHighLevelEvent:
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h, v = where
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print `ostypecode(message)`, hex(when), `ostypecode(h | (v<<16))`,
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else:
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print hex(message), hex(when), where,
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print hex(modifiers)
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class MenuBar:
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"""Represent a set of menus in a menu bar.
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Interface:
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- (constructor)
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- (destructor)
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- addmenu
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- addpopup (normally used internally)
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- dispatch (called from Application)
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"""
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nextid = 1 # Necessarily a class variable
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def getnextid(self):
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id = self.nextid
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self.nextid = id+1
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return id
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def __init__(self):
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ClearMenuBar()
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self.bar = GetMenuBar()
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self.menus = {}
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def addmenu(self, title, after = 0):
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id = self.getnextid()
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m = NewMenu(id, title)
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m.InsertMenu(after)
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DrawMenuBar()
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return id, m
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def addpopup(self, title = ''):
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return self.addmenu(title, -1)
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def install(self):
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self.bar.SetMenuBar()
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DrawMenuBar()
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def dispatch(self, id, item, window, event):
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if self.menus.has_key(id):
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self.menus[id].dispatch(id, item, window, event)
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else:
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if DEBUG: print "MenuBar.dispatch(%d, %d, %s, %s)" % \
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(id, item, window, event)
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# XXX Need a way to get menus as resources and bind them to callbacks
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class Menu:
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"One menu."
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def __init__(self, bar, title, after=0):
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self.bar = bar
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self.id, self.menu = self.bar.addmenu(title, after)
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bar.menus[self.id] = self
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self.items = []
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def additem(self, label, shortcut=None, callback=None, kind=None):
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self.menu.AppendMenu('x') # add a dummy string
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self.items.append(label, shortcut, callback, kind)
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item = len(self.items)
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self.menu.SetMenuItemText(item, label) # set the actual text
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if shortcut:
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self.menu.SetItemCmd(item, ord(shortcut))
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return item
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def addcheck(self, label, shortcut=None, callback=None):
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return self.additem(label, shortcut, callback, 'check')
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def addradio(self, label, shortcut=None, callback=None):
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return self.additem(label, shortcut, callback, 'radio')
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def addseparator(self):
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self.menu.AppendMenu('(-')
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self.items.append('', None, None, 'separator')
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def addsubmenu(self, label, title=''):
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sub = Menu(self.bar, title, -1)
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item = self.additem(label, '\x1B', None, 'submenu')
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self.menu.SetItemMark(item, sub.id)
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return sub
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def dispatch(self, id, item, window, event):
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title, shortcut, callback, type = self.items[item-1]
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if callback:
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callback(id, item, window, event)
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class MenuItem:
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def __init__(self, menu, title, shortcut=None, callback=None, kind=None):
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self.item = menu.additem(title, shortcut, callback)
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class RadioItem(MenuItem):
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def __init__(self, menu, title, shortcut=None, callback=None):
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MenuItem.__init__(self, menu, title, shortcut, callback, 'radio')
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class CheckItem(MenuItem):
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def __init__(self, menu, title, shortcut=None, callback=None):
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MenuItem.__init__(self, menu, title, shortcut, callback, 'check')
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def Separator(menu):
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menu.addseparator()
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def SubMenu(menu, label, title=''):
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return menu.addsubmenu(label, title)
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class AppleMenu(Menu):
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def __init__(self, bar, abouttext="About me...", aboutcallback=None):
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Menu.__init__(self, bar, "\024")
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self.additem(abouttext, None, aboutcallback)
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self.addseparator()
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self.menu.AppendResMenu('DRVR')
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def dispatch(self, id, item, window, event):
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if item == 1:
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Menu.dispatch(self, id, item, window, event)
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else:
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name = self.menu.GetItem(item)
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OpenDeskAcc(name)
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class Window:
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"""A single window belonging to an application"""
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def __init__(self, parent):
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self.wid = None
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self.parent = parent
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def open(self):
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self.wid = NewWindow((40, 40, 400, 400), self.__class__.__name__, 1,
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0, -1, 1, 0)
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self.do_postopen()
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def do_postopen(self):
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"""Tell our parent we exist"""
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self.parent.appendwindow(self.wid, self)
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def close(self):
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self.do_postclose()
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def do_postclose(self):
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self.parent.removewindow(self.wid)
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self.parent = None
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self.wid = None
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def do_inDrag(self, partcode, window, event):
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where = event[3]
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window.DragWindow(where, self.draglimit)
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draglimit = everywhere
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def do_inGoAway(self, partcode, window, event):
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where = event[3]
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if window.TrackGoAway(where):
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self.close()
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def do_inZoom(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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if window.TrackBox(where, partcode):
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window.ZoomWindow(partcode, 1)
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def do_inZoomIn(self, partcode, window, event):
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SetPort(window) # !!!
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self.do_inZoom(partcode, window, event)
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def do_inZoomOut(self, partcode, window, event):
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SetPort(window) # !!!
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self.do_inZoom(partcode, window, event)
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def do_inGrow(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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result = window.GrowWindow(where, self.growlimit)
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if result:
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height = (result>>16) & 0xffff # Hi word
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width = result & 0xffff # Lo word
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self.do_resize(width, height, window)
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growlimit = everywhere
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def do_resize(self, width, height, window):
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window.SizeWindow(width, height, 0)
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self.do_postresize(width, height, window)
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def do_postresize(self, width, height, window):
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SetPort(window)
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InvalRect(everywhere)
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def do_inContent(self, partcode, window, event):
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#
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# If we're not frontmost, select ourselves and wait for
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# the activate event.
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#
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if FrontWindow() <> window:
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window.SelectWindow()
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return
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# We are. Handle the event.
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(what, message, when, where, modifiers) = event
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SetPort(window)
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local = GlobalToLocal(where)
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self.do_contentclick(local, modifiers, event)
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def do_contentclick(self, local, modifiers, event):
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print 'Click in contents at %s, modifiers %s'%(local, modifiers)
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def do_rawupdate(self, window, event):
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if DEBUG: print "raw update for", window
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SetPort(window)
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window.BeginUpdate()
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self.do_update(window, event)
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window.EndUpdate()
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def do_update(self, window, event):
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EraseRect(everywhere)
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def do_activate(self, activate, event):
|
|
if DEBUG: print 'Activate %d for %s'%(activate, self.wid)
|
|
|
|
class ControlsWindow(Window):
|
|
|
|
def do_rawupdate(self, window, event):
|
|
if DEBUG: print "raw update for", window
|
|
window.BeginUpdate()
|
|
self.do_update(window, event)
|
|
DrawControls(window)
|
|
window.DrawGrowIcon()
|
|
window.EndUpdate()
|
|
|
|
def do_controlhit(self, window, control, pcode, event):
|
|
if DEBUG: print "control hit in", window, "on", control, "; pcode =", pcode
|
|
|
|
def do_inContent(self, partcode, window, event):
|
|
(what, message, when, where, modifiers) = event
|
|
SetPort(window) # XXXX Needed?
|
|
local = GlobalToLocal(where)
|
|
ctltype, control = FindControl(local, window)
|
|
if ctltype and control:
|
|
pcode = control.TrackControl(local)
|
|
if pcode:
|
|
self.do_controlhit(window, control, pcode, event)
|
|
else:
|
|
if DEBUG: print "FindControl(%s, %s) -> (%s, %s)" % \
|
|
(local, window, ctltype, control)
|
|
|
|
class DialogWindow(Window):
|
|
"""A modeless dialog window"""
|
|
|
|
def open(self, resid):
|
|
self.wid = GetNewDialog(resid, -1)
|
|
self.do_postopen()
|
|
|
|
def close(self):
|
|
self.do_postclose()
|
|
|
|
def do_itemhit(self, item, event):
|
|
print 'Dialog %s, item %d hit'%(self.wid, item)
|
|
|
|
def do_rawupdate(self, window, event):
|
|
pass
|
|
|
|
def ostypecode(x):
|
|
"Convert a long int to the 4-character code it really is"
|
|
s = ''
|
|
for i in range(4):
|
|
x, c = divmod(x, 256)
|
|
s = chr(c) + s
|
|
return s
|
|
|
|
|
|
class TestApp(Application):
|
|
|
|
"This class is used by the test() function"
|
|
|
|
def makeusermenus(self):
|
|
self.filemenu = m = Menu(self.menubar, "File")
|
|
self.saveitem = MenuItem(m, "Save", "S", self.save)
|
|
Separator(m)
|
|
self.optionsmenu = mm = SubMenu(m, "Options")
|
|
self.opt1 = CheckItem(mm, "Arguments")
|
|
self.opt2 = CheckItem(mm, "Being hit on the head lessons")
|
|
self.opt3 = CheckItem(mm, "Complaints")
|
|
Separator(m)
|
|
self.quititem = MenuItem(m, "Quit", "Q", self.quit)
|
|
|
|
def save(self, *args):
|
|
print "Save"
|
|
|
|
def quit(self, *args):
|
|
raise self
|
|
|
|
|
|
def test():
|
|
"Test program"
|
|
app = TestApp()
|
|
app.mainloop()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
test()
|