cpython/Mac/Lib/FrameWork.py

634 lines
16 KiB
Python

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