Mac/Lib/FrameWork.py

   1 "A sort of application framework for the Mac"
   2
   3 DEBUG=0
   4
   5 import MacOS
   6 import traceback
   7
   8 from Carbon.AE import *
   9 from Carbon.AppleEvents import *
  10 from Carbon.Ctl import *
  11 from Carbon.Controls import *
  12 from Carbon.Dlg import *
  13 from Carbon.Dialogs import *
  14 from Carbon.Evt import *
  15 from Carbon.Events import *
  16 from Carbon.Menu import *
  17 from Carbon.Menus import *
  18 from Carbon.Qd import *
  19 from Carbon.QuickDraw import *
  20 #from Carbon.Res import *
  21 #from Carbon.Resources import *
  22 #from Carbon.Snd import *
  23 #from Carbon.Sound import *
  24 from Carbon.Win import *
  25 from Carbon.Windows import *
  26 import types
  27
  28 import EasyDialogs
  29
  30 kHighLevelEvent = 23    # Don't know what header file this should come from
  31 SCROLLBARWIDTH = 16             # Again, not a clue...
  32
  33 # Trick to forestall a set of SIOUX menus being added to our menubar
  34 SIOUX_APPLEMENU_ID=32000
  35
  36
  37 # Map event 'what' field to strings
  38 eventname = {}
  39 eventname[1] = 'mouseDown'
  40 eventname[2] = 'mouseUp'
  41 eventname[3] = 'keyDown'
  42 eventname[4] = 'keyUp'
  43 eventname[5] = 'autoKey'
  44 eventname[6] = 'updateEvt'
  45 eventname[7] = 'diskEvt'
  46 eventname[8] = 'activateEvt'
  47 eventname[15] = 'osEvt'
  48 eventname[23] = 'kHighLevelEvent'
  49
  50 # Map part codes returned by WhichWindow() to strings
  51 partname = {}
  52 partname[0] = 'inDesk'
  53 partname[1] = 'inMenuBar'
  54 partname[2] = 'inSysWindow'
  55 partname[3] = 'inContent'
  56 partname[4] = 'inDrag'
  57 partname[5] = 'inGrow'
  58 partname[6] = 'inGoAway'
  59 partname[7] = 'inZoomIn'
  60 partname[8] = 'inZoomOut'
  61
  62 #
  63 # The useable portion of the screen
  64 #       ## but what happens with multiple screens? jvr
  65 screenbounds = qd.screenBits.bounds
  66 screenbounds = screenbounds[0]+4, screenbounds[1]+4, \
  67         screenbounds[2]-4, screenbounds[3]-4
  68
  69 next_window_x = 16              # jvr
  70 next_window_y = 44              # jvr
  71
  72 def windowbounds(width, height):
  73         "Return sensible window bounds"
  74         global next_window_x, next_window_y
  75         r, b = next_window_x+width, next_window_y+height
  76         if r > screenbounds[2]:
  77                 next_window_x = 16
  78         if b > screenbounds[3]:
  79                 next_window_y = 44
  80         l, t = next_window_x, next_window_y
  81         r, b = next_window_x+width, next_window_y+height
  82         next_window_x, next_window_y = next_window_x + 8, next_window_y + 20    # jvr
  83         return l, t, r, b
  84
  85 _watch = None
  86 def setwatchcursor():
  87         global _watch
  88
  89         if _watch == None:
  90                 _watch = GetCursor(4).data
  91         SetCursor(_watch)
  92
  93 def setarrowcursor():
  94         SetCursor(qd.arrow)
  95
  96 class Application:
  97
  98         "Application framework -- your application should be a derived class"
  99
 100         def __init__(self, nomenubar=0):
 101                 self._doing_asyncevents = 0
 102                 self.quitting = 0
 103                 self.needmenubarredraw = 0
 104                 self._windows = {}
 105                 if nomenubar:
 106                         self.menubar = None
 107                 else:
 108                         self.makemenubar()
 109
 110         def __del__(self):
 111                 if self._doing_asyncevents:
 112                         self._doing_asyncevents = 0
 113                         MacOS.SetEventHandler()
 114
 115         def makemenubar(self):
 116                 self.menubar = MenuBar(self)
 117                 AppleMenu(self.menubar, self.getabouttext(), self.do_about)
 118                 self.makeusermenus()
 119
 120         def makeusermenus(self):
 121                 self.filemenu = m = Menu(self.menubar, "File")
 122                 self._quititem = MenuItem(m, "Quit", "Q", self._quit)
 123
 124         def _quit(self, *args):
 125                 self.quitting = 1
 126
 127         def cleanup(self):
 128                 for w in self._windows.values():
 129                         w.do_close()
 130                 return self._windows == {}
 131
 132         def appendwindow(self, wid, window):
 133                 self._windows[wid] = window
 134
 135         def removewindow(self, wid):
 136                 del self._windows[wid]
 137
 138         def getabouttext(self):
 139                 return "About %s..." % self.__class__.__name__
 140
 141         def do_about(self, id, item, window, event):
 142                 EasyDialogs.Message("Hello, world!" + "\015(%s)" % self.__class__.__name__)
 143
 144         # The main event loop is broken up in several simple steps.
 145         # This is done so you can override each individual part,
 146         # if you have a need to do extra processing independent of the
 147         # event type.
 148         # Normally, however, you'd just define handlers for individual
 149         # events.
 150
 151         schedparams = (0, 0)    # By default disable Python's event handling
 152         default_wait = None             # By default we wait GetCaretTime in WaitNextEvent
 153
 154         def mainloop(self, mask = everyEvent, wait = None):
 155                 self.quitting = 0
 156                 saveparams = apply(MacOS.SchedParams, self.schedparams)
 157                 try:
 158                         while not self.quitting:
 159                                 try:
 160                                         self.do1event(mask, wait)
 161                                 except (Application, SystemExit):
 162                                         # Note: the raising of "self" is old-fashioned idiom to
 163                                         # exit the mainloop. Calling _quit() is better for new
 164                                         # applications.
 165                                         break
 166                 finally:
 167                         apply(MacOS.SchedParams, saveparams)
 168
 169         def dopendingevents(self, mask = everyEvent):
 170                 """dopendingevents - Handle all pending events"""
 171                 while self.do1event(mask, wait=0):
 172                         pass
 173
 174         def do1event(self, mask = everyEvent, wait = None):
 175                 ok, event = self.getevent(mask, wait)
 176                 if IsDialogEvent(event):
 177                         if self.do_dialogevent(event):
 178                                 return
 179                 if ok:
 180                         self.dispatch(event)
 181                 else:
 182                         self.idle(event)
 183
 184         def idle(self, event):
 185                 pass
 186
 187         def getevent(self, mask = everyEvent, wait = None):
 188                 if self.needmenubarredraw:
 189                         DrawMenuBar()
 190                         self.needmenubarredraw = 0
 191                 if wait is None:
 192                         wait = self.default_wait
 193                         if wait is None:
 194                                 wait = GetCaretTime()
 195                 ok, event = WaitNextEvent(mask, wait)
 196                 return ok, event
 197
 198         def dispatch(self, event):
 199                 # The following appears to be double work (already done in do1event)
 200                 # but we need it for asynchronous event handling
 201                 if IsDialogEvent(event):
 202                         if self.do_dialogevent(event):
 203                                 return
 204                 (what, message, when, where, modifiers) = event
 205                 if eventname.has_key(what):
 206                         name = "do_" + eventname[what]
 207                 else:
 208                         name = "do_%d" % what
 209                 try:
 210                         handler = getattr(self, name)
 211                 except AttributeError:
 212                         handler = self.do_unknownevent
 213                 handler(event)
 214
 215         def asyncevents(self, onoff):
 216                 """asyncevents - Set asynchronous event handling on or off"""
 217                 old = self._doing_asyncevents
 218                 if old:
 219                         MacOS.SetEventHandler()
 220                         apply(MacOS.SchedParams, self.schedparams)
 221                 if onoff:
 222                         MacOS.SetEventHandler(self.dispatch)
 223                         doint, dummymask, benice, howoften, bgyield = \
 224                                self.schedparams
 225                         MacOS.SchedParams(doint, everyEvent, benice,
 226                                           howoften, bgyield)
 227                 self._doing_asyncevents = onoff
 228                 return old
 229
 230         def do_dialogevent(self, event):
 231                 gotone, dlg, item = DialogSelect(event)
 232                 if gotone:
 233                         window = dlg.GetDialogWindow()
 234                         if self._windows.has_key(window):
 235                                 self._windows[window].do_itemhit(item, event)
 236                         else:
 237                                 print 'Dialog event for unknown dialog'
 238                         return 1
 239                 return 0
 240
 241         def do_mouseDown(self, event):
 242                 (what, message, when, where, modifiers) = event
 243                 partcode, wid = FindWindow(where)
 244
 245                 #
 246                 # Find the correct name.
 247                 #
 248                 if partname.has_key(partcode):
 249                         name = "do_" + partname[partcode]
 250                 else:
 251                         name = "do_%d" % partcode
 252
 253                 if wid == None:
 254                         # No window, or a non-python window
 255                         try:
 256                                 handler = getattr(self, name)
 257                         except AttributeError:
 258                                 # Not menubar or something, so assume someone
 259                                 # else's window
 260                                 MacOS.HandleEvent(event)
 261                                 return
 262                 elif self._windows.has_key(wid):
 263                         # It is a window. Hand off to correct window.
 264                         window = self._windows[wid]
 265                         try:
 266                                 handler = getattr(window, name)
 267                         except AttributeError:
 268                                 handler = self.do_unknownpartcode
 269                 else:
 270                         # It is a python-toolbox window, but not ours.
 271                         handler = self.do_unknownwindow
 272                 handler(partcode, wid, event)
 273
 274         def do_inSysWindow(self, partcode, window, event):
 275                 MacOS.HandleEvent(event)
 276
 277         def do_inDesk(self, partcode, window, event):
 278                 MacOS.HandleEvent(event)
 279
 280         def do_inMenuBar(self, partcode, window, event):
 281                 if not self.menubar:
 282                         MacOS.HandleEvent(event)
 283                         return
 284                 (what, message, when, where, modifiers) = event
 285                 result = MenuSelect(where)
 286                 id = (result>>16) & 0xffff      # Hi word
 287                 item = result & 0xffff          # Lo word
 288                 self.do_rawmenu(id, item, window, event)
 289
 290         def do_rawmenu(self, id, item, window, event):
 291                 try:
 292                         self.do_menu(id, item, window, event)
 293                 finally:
 294                         HiliteMenu(0)
 295
 296         def do_menu(self, id, item, window, event):
 297                 MacOS.OutputSeen()
 298                 self.menubar.dispatch(id, item, window, event)
 299
 300
 301         def do_unknownpartcode(self, partcode, window, event):
 302                 (what, message, when, where, modifiers) = event
 303                 if DEBUG: print "Mouse down at global:", where
 304                 if DEBUG: print "\tUnknown part code:", partcode
 305                 if DEBUG: print "\tEvent:", self.printevent(event)
 306                 MacOS.HandleEvent(event)
 307
 308         def do_unknownwindow(self, partcode, window, event):
 309                 if DEBUG: print 'Unknown window:', window
 310                 MacOS.HandleEvent(event)
 311
 312         def do_keyDown(self, event):
 313                 self.do_key(event)
 314
 315         def do_autoKey(self, event):
 316                 if not event[-1] & cmdKey:
 317                         self.do_key(event)
 318
 319         def do_key(self, event):
 320                 (what, message, when, where, modifiers) = event
 321                 c = chr(message & charCodeMask)
 322                 if self.menubar:
 323                         result = MenuEvent(event)
 324                         id = (result>>16) & 0xffff      # Hi word
 325                         item = result & 0xffff          # Lo word
 326                         if id:
 327                                 self.do_rawmenu(id, item, None, event)
 328                                 return
 329                         # Otherwise we fall-through
 330                 if modifiers & cmdKey:
 331                         if c == '.':
 332                                 raise self
 333                         else:
 334                                 if not self.menubar:
 335                                         MacOS.HandleEvent(event)
 336                                 return
 337                 else:
 338                         # See whether the front window wants it
 339                         w = FrontWindow()
 340                         if w and self._windows.has_key(w):
 341                                 window = self._windows[w]
 342                                 try:
 343                                         do_char = window.do_char
 344                                 except AttributeError:
 345                                         do_char = self.do_char
 346                                 do_char(c, event)
 347                         # else it wasn't for us, sigh...
 348
 349         def do_char(self, c, event):
 350                 if DEBUG: print "Character", `c`
 351
 352         def do_updateEvt(self, event):
 353                 (what, message, when, where, modifiers) = event
 354                 wid = WhichWindow(message)
 355                 if wid and self._windows.has_key(wid):
 356                         window = self._windows[wid]
 357                         window.do_rawupdate(wid, event)
 358                 else:
 359                         MacOS.HandleEvent(event)
 360
 361         def do_activateEvt(self, event):
 362                 (what, message, when, where, modifiers) = event
 363                 wid = WhichWindow(message)
 364                 if wid and self._windows.has_key(wid):
 365                         window = self._windows[wid]
 366                         window.do_activate(modifiers & 1, event)
 367                 else:
 368                         MacOS.HandleEvent(event)
 369
 370         def do_osEvt(self, event):
 371                 (what, message, when, where, modifiers) = event
 372                 which = (message >> 24) & 0xff
 373                 if which == 1:  # suspend/resume
 374                         self.do_suspendresume(event)
 375                 else:
 376                         if DEBUG:
 377                                 print 'unknown osEvt:',
 378                                 self.printevent(event)
 379
 380         def do_suspendresume(self, event):
 381                 (what, message, when, where, modifiers) = event
 382                 wid = FrontWindow()
 383                 if wid and self._windows.has_key(wid):
 384                         window = self._windows[wid]
 385                         window.do_activate(message & 1, event)
 386
 387         def do_kHighLevelEvent(self, event):
 388                 (what, message, when, where, modifiers) = event
 389                 if DEBUG:
 390                         print "High Level Event:",
 391                         self.printevent(event)
 392                 try:
 393                         AEProcessAppleEvent(event)
 394                 except:
 395                         print "AEProcessAppleEvent error:"
 396                         traceback.print_exc()
 397
 398         def do_unknownevent(self, event):
 399                 if DEBUG:
 400                         print "Unhandled event:",
 401                         self.printevent(event)
 402
 403         def printevent(self, event):
 404                 (what, message, when, where, modifiers) = event
 405                 nicewhat = `what`
 406                 if eventname.has_key(what):
 407                         nicewhat = eventname[what]
 408                 print nicewhat,
 409                 if what == kHighLevelEvent:
 410                         h, v = where
 411                         print `ostypecode(message)`, hex(when), `ostypecode(h | (v<<16))`,
 412                 else:
 413                         print hex(message), hex(when), where,
 414                 print hex(modifiers)
 415
 416
 417 class MenuBar:
 418         """Represent a set of menus in a menu bar.
 419
 420         Interface:
 421
 422         - (constructor)
 423         - (destructor)
 424         - addmenu
 425         - addpopup (normally used internally)
 426         - dispatch (called from Application)
 427         """
 428
 429         nextid = 1      # Necessarily a class variable
 430
 431         def getnextid(self):
 432                 id = MenuBar.nextid
 433                 MenuBar.nextid = id+1
 434                 return id
 435
 436         def __init__(self, parent=None):
 437                 self.parent = parent
 438                 ClearMenuBar()
 439                 self.bar = GetMenuBar()
 440                 self.menus = {}
 441
 442         # XXX necessary?
 443         def close(self):
 444                 self.parent = None
 445                 self.bar = None
 446                 self.menus = None
 447
 448         def addmenu(self, title, after = 0, id=None):
 449                 if id == None:
 450                         id = self.getnextid()
 451                 if DEBUG: print 'Newmenu', title, id # XXXX
 452                 m = NewMenu(id, title)
 453                 m.InsertMenu(after)
 454                 if after >= 0:
 455                         if self.parent:
 456                                 self.parent.needmenubarredraw = 1
 457                         else:
 458                                 DrawMenuBar()
 459                 return id, m
 460
 461         def delmenu(self, id):
 462                 if DEBUG: print 'Delmenu', id # XXXX
 463                 DeleteMenu(id)
 464
 465         def addpopup(self, title = ''):
 466                 return self.addmenu(title, -1)
 467
 468 # Useless:
 469 #       def install(self):
 470 #               if not self.bar: return
 471 #               SetMenuBar(self.bar)
 472 #               if self.parent:
 473 #                       self.parent.needmenubarredraw = 1
 474 #               else:
 475 #                       DrawMenuBar()
 476
 477         def fixmenudimstate(self):
 478                 for m in self.menus.keys():
 479                         menu = self.menus[m]
 480                         if menu.__class__ == FrameWork.AppleMenu:
 481                                 continue
 482                         for i in range(len(menu.items)):
 483                                 label, shortcut, callback, kind = menu.items[i]
 484                                 if type(callback) == types.StringType:
 485                                         wid = Win.FrontWindow()
 486                                         if wid and self.parent._windows.has_key(wid):
 487                                                 window = self.parent._windows[wid]
 488                                                 if hasattr(window, "domenu_" + callback):
 489                                                         menu.menu.EnableMenuItem(i + 1)
 490                                                 elif hasattr(self.parent, "domenu_" + callback):
 491                                                         menu.menu.EnableMenuItem(i + 1)
 492                                                 else:
 493                                                         menu.menu.DisableMenuItem(i + 1)
 494                                         elif hasattr(self.parent, "domenu_" + callback):
 495                                                 menu.menu.EnableMenuItem(i + 1)
 496                                         else:
 497                                                 menu.menu.DisableMenuItem(i + 1)
 498                                 elif callback:
 499                                         pass
 500
 501         def dispatch(self, id, item, window, event):
 502                 if self.menus.has_key(id):
 503                         self.menus[id].dispatch(id, item, window, event)
 504                 else:
 505                         if DEBUG: print "MenuBar.dispatch(%d, %d, %s, %s)" % \
 506                                 (id, item, window, event)
 507
 508
 509 # XXX Need a way to get menus as resources and bind them to callbacks
 510
 511 class Menu:
 512         "One menu."
 513
 514         def __init__(self, bar, title, after=0, id=None):
 515                 self.bar = bar
 516                 self.id, self.menu = self.bar.addmenu(title, after, id)
 517                 bar.menus[self.id] = self
 518                 self.items = []
 519                 self._parent = None
 520
 521         def delete(self):
 522                 self.bar.delmenu(self.id)
 523                 del self.bar.menus[self.id]
 524                 self.menu.DisposeMenu()
 525                 del self.bar
 526                 del self.items
 527                 del self.menu
 528                 del self.id
 529                 del self._parent
 530
 531         def additem(self, label, shortcut=None, callback=None, kind=None):
 532                 self.menu.AppendMenu('x')               # add a dummy string
 533                 self.items.append((label, shortcut, callback, kind))
 534                 item = len(self.items)
 535                 self.menu.SetMenuItemText(item, label)          # set the actual text
 536                 if shortcut and type(shortcut) == type(()):
 537                         modifiers, char = shortcut[:2]
 538                         self.menu.SetItemCmd(item, ord(char))
 539                         self.menu.SetMenuItemModifiers(item, modifiers)
 540                         if len(shortcut) > 2:
 541                                 self.menu.SetMenuItemKeyGlyph(item, shortcut[2])
 542                 elif shortcut:
 543                         self.menu.SetItemCmd(item, ord(shortcut))
 544                 return item
 545
 546         def delitem(self, item):
 547                 if item != len(self.items):
 548                         raise 'Can only delete last item of a menu'
 549                 self.menu.DeleteMenuItem(item)
 550                 del self.items[item-1]
 551
 552         def addcheck(self, label, shortcut=None, callback=None):
 553                 return self.additem(label, shortcut, callback, 'check')
 554
 555         def addradio(self, label, shortcut=None, callback=None):
 556                 return self.additem(label, shortcut, callback, 'radio')
 557
 558         def addseparator(self):
 559                 self.menu.AppendMenu('(-')
 560                 self.items.append(('', None, None, 'separator'))
 561
 562         def addsubmenu(self, label, title=''):
 563                 sub = Menu(self.bar, title, -1)
 564                 item = self.additem(label, '\x1B', None, 'submenu')
 565                 self.menu.SetItemMark(item, sub.id)
 566                 sub._parent = self
 567                 sub._parent_item = item
 568                 return sub
 569
 570         def dispatch(self, id, item, window, event):
 571                 title, shortcut, callback, mtype = self.items[item-1]
 572                 if callback:
 573                         if not self.bar.parent or type(callback) <> types.StringType:
 574                                 menuhandler = callback
 575                         else:
 576                                 # callback is string
 577                                 wid = Win.FrontWindow()
 578                                 if wid and self.bar.parent._windows.has_key(wid):
 579                                         window = self.bar.parent._windows[wid]
 580                                         if hasattr(window, "domenu_" + callback):
 581                                                 menuhandler = getattr(window, "domenu_" + callback)
 582                                         elif hasattr(self.bar.parent, "domenu_" + callback):
 583                                                 menuhandler = getattr(self.bar.parent, "domenu_" + callback)
 584                                         else:
 585                                                 # nothing we can do. we shouldn't have come this far
 586                                                 # since the menu item should have been disabled...
 587                                                 return
 588                                 elif hasattr(self.bar.parent, "domenu_" + callback):
 589                                         menuhandler = getattr(self.bar.parent, "domenu_" + callback)
 590                                 else:
 591                                         # nothing we can do. we shouldn't have come this far
 592                                         # since the menu item should have been disabled...
 593                                         return
 594                         menuhandler(id, item, window, event)
 595
 596         def enable(self, onoff):
 597                 if onoff:
 598                         self.menu.EnableMenuItem(0)
 599                         if self._parent:
 600                                 self._parent.menu.EnableMenuItem(self._parent_item)
 601                 else:
 602                         self.menu.DisableMenuItem(0)
 603                         if self._parent:
 604                                 self._parent.menu.DisableMenuItem(self._parent_item)
 605                 if self.bar and self.bar.parent:
 606                                 self.bar.parent.needmenubarredraw = 1
 607
 608 class PopupMenu(Menu):
 609         def __init__(self, bar):
 610                 Menu.__init__(self, bar, '(popup)', -1)
 611
 612         def popup(self, x, y, event, default=1, window=None):
 613                 # NOTE that x and y are global coordinates, and they should probably
 614                 # be topleft of the button the user clicked (not mouse-coordinates),
 615                 # so the popup nicely overlaps.
 616                 reply = self.menu.PopUpMenuSelect(x, y, default)
 617                 if not reply:
 618                         return
 619                 id = (reply & 0xffff0000) >> 16
 620                 item = reply & 0xffff
 621                 if not window:
 622                         wid = Win.FrontWindow()
 623                         try:
 624                                 window = self.bar.parent._windows[wid]
 625                         except:
 626                                 pass # If we can't find the window we pass None
 627                 self.dispatch(id, item, window, event)
 628
 629 class MenuItem:
 630         def __init__(self, menu, title, shortcut=None, callback=None, kind=None):
 631                 self.item = menu.additem(title, shortcut, callback)
 632                 self.menu = menu
 633
 634         def delete(self):
 635                 self.menu.delitem(self.item)
 636                 del self.menu
 637                 del self.item
 638
 639         def check(self, onoff):
 640                 self.menu.menu.CheckMenuItem(self.item, onoff)
 641
 642         def enable(self, onoff):
 643                 if onoff:
 644                         self.menu.menu.EnableMenuItem(self.item)
 645                 else:
 646                         self.menu.menu.DisableMenuItem(self.item)
 647
 648         def settext(self, text):
 649                 self.menu.menu.SetMenuItemText(self.item, text)
 650
 651         def setstyle(self, style):
 652                 self.menu.menu.SetItemStyle(self.item, style)
 653
 654         def seticon(self, icon):
 655                 self.menu.menu.SetItemIcon(self.item, icon)
 656
 657         def setcmd(self, cmd):
 658                 self.menu.menu.SetItemCmd(self.item, cmd)
 659
 660         def setmark(self, cmd):
 661                 self.menu.menu.SetItemMark(self.item, cmd)
 662
 663
 664 class RadioItem(MenuItem):
 665         def __init__(self, menu, title, shortcut=None, callback=None):
 666                 MenuItem.__init__(self, menu, title, shortcut, callback, 'radio')
 667
 668 class CheckItem(MenuItem):
 669         def __init__(self, menu, title, shortcut=None, callback=None):
 670                 MenuItem.__init__(self, menu, title, shortcut, callback, 'check')
 671
 672 def Separator(menu):
 673         menu.addseparator()
 674
 675 def SubMenu(menu, label, title=''):
 676         return menu.addsubmenu(label, title)
 677
 678
 679 class AppleMenu(Menu):
 680
 681         def __init__(self, bar, abouttext="About me...", aboutcallback=None):
 682                 Menu.__init__(self, bar, "\024", id=SIOUX_APPLEMENU_ID)
 683                 if MacOS.runtimemodel == 'ppc':
 684                         self.additem(abouttext, None, aboutcallback)
 685                         self.addseparator()
 686                         self.menu.AppendResMenu('DRVR')
 687                 else:
 688                         # Additem()'s tricks do not work for "apple" menu under Carbon
 689                         self.menu.InsertMenuItem(abouttext, 0)
 690                         self.items.append((abouttext, None, aboutcallback, None))
 691
 692         def dispatch(self, id, item, window, event):
 693                 if item == 1:
 694                         Menu.dispatch(self, id, item, window, event)
 695                 elif MacOS.runtimemodel == 'ppc':
 696                         name = self.menu.GetMenuItemText(item)
 697                         OpenDeskAcc(name)
 698
 699 class Window:
 700         """A single window belonging to an application"""
 701
 702         def __init__(self, parent):
 703                 self.wid = None
 704                 self.parent = parent
 705
 706         def open(self, bounds=(40, 40, 400, 400), resid=None):
 707                 if resid <> None:
 708                         self.wid = GetNewWindow(resid, -1)
 709                 else:
 710                         self.wid = NewWindow(bounds, self.__class__.__name__, 1,
 711                                 8, -1, 1, 0)    # changed to proc id 8 to include zoom box. jvr
 712                 self.do_postopen()
 713
 714         def do_postopen(self):
 715                 """Tell our parent we exist"""
 716                 self.parent.appendwindow(self.wid, self)
 717
 718         def close(self):
 719                 self.do_postclose()
 720
 721         def do_postclose(self):
 722                 self.parent.removewindow(self.wid)
 723                 self.parent = None
 724                 self.wid = None
 725
 726         def SetPort(self):
 727                 # Convinience method
 728                 SetPort(self.wid)
 729
 730         def GetWindow(self):
 731                 return self.wid
 732
 733         def do_inDrag(self, partcode, window, event):
 734                 where = event[3]
 735                 window.DragWindow(where, self.draglimit)
 736
 737         draglimit = screenbounds
 738
 739         def do_inGoAway(self, partcode, window, event):
 740                 where = event[3]
 741                 if window.TrackGoAway(where):
 742                         self.close()
 743
 744         def do_inZoom(self, partcode, window, event):
 745                 (what, message, when, where, modifiers) = event
 746                 if window.TrackBox(where, partcode):
 747                         window.ZoomWindow(partcode, 1)
 748                         rect = window.GetWindowUserState()                              # so that zoom really works... jvr
 749                         self.do_postresize(rect[2] - rect[0], rect[3] - rect[1], window)        # jvr
 750
 751         def do_inZoomIn(self, partcode, window, event):
 752                 SetPort(window) # !!!
 753                 self.do_inZoom(partcode, window, event)
 754
 755         def do_inZoomOut(self, partcode, window, event):
 756                 SetPort(window) # !!!
 757                 self.do_inZoom(partcode, window, event)
 758
 759         def do_inGrow(self, partcode, window, event):
 760                 (what, message, when, where, modifiers) = event
 761                 result = window.GrowWindow(where, self.growlimit)
 762                 if result:
 763                         height = (result>>16) & 0xffff  # Hi word
 764                         width = result & 0xffff         # Lo word
 765                         self.do_resize(width, height, window)
 766
 767         growlimit = (50, 50, screenbounds[2] - screenbounds[0], screenbounds[3] - screenbounds[1])      # jvr
 768
 769         def do_resize(self, width, height, window):
 770                 l, t, r, b = self.wid.GetWindowPort().portRect                  # jvr, forGrowIcon
 771                 self.SetPort()                                                  # jvr
 772                 self.wid.InvalWindowRect((r - SCROLLBARWIDTH + 1, b - SCROLLBARWIDTH + 1, r, b))        # jvr
 773                 window.SizeWindow(width, height, 1)             # changed updateFlag to true jvr
 774                 self.do_postresize(width, height, window)
 775
 776         def do_postresize(self, width, height, window):
 777                 SetPort(window)
 778                 self.wid.InvalWindowRect(window.GetWindowPort().portRect)
 779
 780         def do_inContent(self, partcode, window, event):
 781                 #
 782                 # If we're not frontmost, select ourselves and wait for
 783                 # the activate event.
 784                 #
 785                 if FrontWindow() <> window:
 786                         window.SelectWindow()
 787                         return
 788                 # We are. Handle the event.
 789                 (what, message, when, where, modifiers) = event
 790                 SetPort(window)
 791                 local = GlobalToLocal(where)
 792                 self.do_contentclick(local, modifiers, event)
 793
 794         def do_contentclick(self, local, modifiers, event):
 795                 if DEBUG:
 796                         print 'Click in contents at %s, modifiers %s'%(local, modifiers)
 797
 798         def do_rawupdate(self, window, event):
 799                 if DEBUG: print "raw update for", window
 800                 SetPort(window)
 801                 window.BeginUpdate()
 802                 self.do_update(window, event)
 803                 window.EndUpdate()
 804
 805         def do_update(self, window, event):
 806                 if DEBUG:
 807                         import time
 808                         for i in range(8):
 809                                 time.sleep(0.1)
 810                                 InvertRgn(window.GetWindowPort().visRgn)
 811                         FillRgn(window.GetWindowPort().visRgn, qd.gray)
 812                 else:
 813                         EraseRgn(window.GetWindowPort().visRgn)
 814
 815         def do_activate(self, activate, event):
 816                 if DEBUG: print 'Activate %d for %s'%(activate, self.wid)
 817
 818 class ControlsWindow(Window):
 819
 820         def do_rawupdate(self, window, event):
 821                 if DEBUG: print "raw update for", window
 822                 SetPort(window)
 823                 window.BeginUpdate()
 824                 self.do_update(window, event)
 825                 #DrawControls(window)                                   # jvr
 826                 UpdateControls(window, window.GetWindowPort().visRgn)   # jvr
 827                 window.DrawGrowIcon()
 828                 window.EndUpdate()
 829
 830         def do_controlhit(self, window, control, pcode, event):
 831                 if DEBUG: print "control hit in", window, "on", control, "; pcode =", pcode
 832
 833         def do_inContent(self, partcode, window, event):
 834                 if FrontWindow() <> window:
 835                         window.SelectWindow()
 836                         return
 837                 (what, message, when, where, modifiers) = event
 838                 SetPort(window)  # XXXX Needed?
 839                 local = GlobalToLocal(where)
 840                 pcode, control = FindControl(local, window)
 841                 if pcode and control:
 842                         self.do_rawcontrolhit(window, control, pcode, local, event)
 843                 else:
 844                         if DEBUG: print "FindControl(%s, %s) -> (%s, %s)" % \
 845                                 (local, window, pcode, control)
 846                         self.do_contentclick(local, modifiers, event)
 847
 848         def do_rawcontrolhit(self, window, control, pcode, local, event):
 849                 pcode = control.TrackControl(local)
 850                 if pcode:
 851                         self.do_controlhit(window, control, pcode, event)
 852
 853 class ScrolledWindow(ControlsWindow):
 854         def __init__(self, parent):
 855                 self.barx = self.bary = None
 856                 self.barx_enabled = self.bary_enabled = 1
 857                 self.activated = 1
 858                 ControlsWindow.__init__(self, parent)
 859
 860         def scrollbars(self, wantx=1, wanty=1):
 861                 SetPort(self.wid)
 862                 self.barx = self.bary = None
 863                 self.barx_enabled = self.bary_enabled = 1
 864                 x0, y0, x1, y1 = self.wid.GetWindowPort().portRect
 865                 vx, vy = self.getscrollbarvalues()
 866                 if vx == None: self.barx_enabled, vx = 0, 0
 867                 if vy == None: self.bary_enabled, vy = 0, 0
 868                 if wantx:
 869                         rect = x0-1, y1-(SCROLLBARWIDTH-1), x1-(SCROLLBARWIDTH-2), y1+1
 870                         self.barx = NewControl(self.wid, rect, "", 1, vx, 0, 32767, 16, 0)
 871                         if not self.barx_enabled: self.barx.HiliteControl(255)
 872 ##                      self.wid.InvalWindowRect(rect)
 873                 if wanty:
 874                         rect = x1-(SCROLLBARWIDTH-1), y0-1, x1+1, y1-(SCROLLBARWIDTH-2)
 875                         self.bary = NewControl(self.wid, rect, "", 1, vy, 0, 32767, 16, 0)
 876                         if not self.bary_enabled: self.bary.HiliteControl(255)
 877 ##                      self.wid.InvalWindowRect(rect)
 878
 879         def do_postclose(self):
 880                 self.barx = self.bary = None
 881                 ControlsWindow.do_postclose(self)
 882
 883         def do_activate(self, onoff, event):
 884                 self.activated = onoff
 885                 if onoff:
 886                         if self.barx and self.barx_enabled:
 887                                 self.barx.ShowControl() # jvr
 888                         if self.bary and self.bary_enabled:
 889                                 self.bary.ShowControl() # jvr
 890                 else:
 891                         if self.barx:
 892                                 self.barx.HideControl() # jvr; An inactive window should have *hidden*
 893                                                         # scrollbars, not just dimmed (no matter what
 894                                                         # BBEdit does... look at the Finder)
 895                         if self.bary:
 896                                 self.bary.HideControl() # jvr
 897                 self.wid.DrawGrowIcon()                 # jvr
 898
 899         def do_postresize(self, width, height, window):
 900                 l, t, r, b = self.wid.GetWindowPort().portRect
 901                 self.SetPort()
 902                 if self.barx:
 903                         self.barx.HideControl()         # jvr
 904                         self.barx.MoveControl(l-1, b-(SCROLLBARWIDTH-1))
 905                         self.barx.SizeControl((r-l)-(SCROLLBARWIDTH-3), SCROLLBARWIDTH) # jvr
 906                 if self.bary:
 907                         self.bary.HideControl()         # jvr
 908                         self.bary.MoveControl(r-(SCROLLBARWIDTH-1), t-1)
 909                         self.bary.SizeControl(SCROLLBARWIDTH, (b-t)-(SCROLLBARWIDTH-3)) # jvr
 910                 if self.barx:
 911                         self.barx.ShowControl()         # jvr
 912                         self.wid.ValidWindowRect((l, b - SCROLLBARWIDTH + 1, r - SCROLLBARWIDTH + 2, b))        # jvr
 913                 if self.bary:
 914                         self.bary.ShowControl()         # jvr
 915                         self.wid.ValidWindowRect((r - SCROLLBARWIDTH + 1, t, r, b - SCROLLBARWIDTH + 2))        # jvr
 916                 self.wid.InvalWindowRect((r - SCROLLBARWIDTH + 1, b - SCROLLBARWIDTH + 1, r, b))        # jvr, growicon
 917
 918
 919         def do_rawcontrolhit(self, window, control, pcode, local, event):
 920                 if control == self.barx:
 921                         which = 'x'
 922                 elif control == self.bary:
 923                         which = 'y'
 924                 else:
 925                         return 0
 926                 if pcode in (inUpButton, inDownButton, inPageUp, inPageDown):
 927                         # We do the work for the buttons and grey area in the tracker
 928                         dummy = control.TrackControl(local, self.do_controltrack)
 929                 else:
 930                         # but the thumb is handled here
 931                         pcode = control.TrackControl(local)
 932                         if pcode == inThumb:
 933                                 value = control.GetControlValue()
 934                                 print 'setbars', which, value #DBG
 935                                 self.scrollbar_callback(which, 'set', value)
 936                                 self.updatescrollbars()
 937                         else:
 938                                 print 'funny part', pcode #DBG
 939                 return 1
 940
 941         def do_controltrack(self, control, pcode):
 942                 if control == self.barx:
 943                         which = 'x'
 944                 elif control == self.bary:
 945                         which = 'y'
 946                 else:
 947                         return
 948
 949                 if pcode == inUpButton:
 950                         what = '-'
 951                 elif pcode == inDownButton:
 952                         what = '+'
 953                 elif pcode == inPageUp:
 954                         what = '--'
 955                 elif pcode == inPageDown:
 956                         what = '++'
 957                 else:
 958                         return
 959                 self.scrollbar_callback(which, what, None)
 960                 self.updatescrollbars()
 961
 962         def updatescrollbars(self):
 963                 SetPort(self.wid)
 964                 vx, vy = self.getscrollbarvalues()
 965                 if self.barx:
 966                         if vx == None:
 967                                 self.barx.HiliteControl(255)
 968                                 self.barx_enabled = 0
 969                         else:
 970                                 if not self.barx_enabled:
 971                                         self.barx_enabled = 1
 972                                         if self.activated:
 973                                                 self.barx.HiliteControl(0)
 974                                 self.barx.SetControlValue(vx)
 975                 if self.bary:
 976                         if vy == None:
 977                                 self.bary.HiliteControl(255)
 978                                 self.bary_enabled = 0
 979                         else:
 980                                 if not self.bary_enabled:
 981                                         self.bary_enabled = 1
 982                                         if self.activated:
 983                                                 self.bary.HiliteControl(0)
 984                                 self.bary.SetControlValue(vy)
 985
 986         # Auxiliary function: convert standard text/image/etc coordinate
 987         # to something palatable as getscrollbarvalues() return
 988         def scalebarvalue(self, absmin, absmax, curmin, curmax):
 989                 if curmin <= absmin and curmax >= absmax:
 990                         return None
 991                 if curmin <= absmin:
 992                         return 0
 993                 if curmax >= absmax:
 994                         return 32767
 995                 perc = float(curmin-absmin)/float(absmax-absmin)
 996                 return int(perc*32767)
 997
 998         # To be overridden:
 999
1000         def getscrollbarvalues(self):
1001                 return 0, 0
1002
1003         def scrollbar_callback(self, which, what, value):
1004                 print 'scroll', which, what, value
1005
1006 class DialogWindow(Window):
1007         """A modeless dialog window"""
1008
1009         def open(self, resid):
1010                 self.dlg = GetNewDialog(resid, -1)
1011                 self.wid = self.dlg.GetDialogWindow()
1012                 self.do_postopen()
1013
1014         def close(self):
1015                 self.do_postclose()
1016
1017         def do_postclose(self):
1018                 self.dlg = None
1019                 Window.do_postclose(self)
1020
1021         def do_itemhit(self, item, event):
1022                 print 'Dialog %s, item %d hit'%(self.dlg, item)
1023
1024         def do_rawupdate(self, window, event):
1025                 pass
1026
1027 def ostypecode(x):
1028         "Convert a long int to the 4-character code it really is"
1029         s = ''
1030         for i in range(4):
1031                 x, c = divmod(x, 256)
1032                 s = chr(c) + s
1033         return s
1034
1035
1036 class TestApp(Application):
1037
1038         "This class is used by the test() function"
1039
1040         def makeusermenus(self):
1041                 self.filemenu = m = Menu(self.menubar, "File")
1042                 self.saveitem = MenuItem(m, "Save", "S", self.save)
1043                 Separator(m)
1044                 self.optionsmenu = mm = SubMenu(m, "Options")
1045                 self.opt1 = CheckItem(mm, "Arguments", "A")
1046                 self.opt2 = CheckItem(mm, "Being hit on the head lessons", (kMenuOptionModifier, "A"))
1047                 self.opt3 = CheckItem(mm, "Complaints", (kMenuOptionModifier|kMenuNoCommandModifier, "A"))
1048                 Separator(m)
1049                 self.quititem = MenuItem(m, "Quit", "Q", self.quit)
1050
1051         def save(self, *args):
1052                 print "Save"
1053
1054         def quit(self, *args):
1055                 raise self
1056
1057
1058 def test():
1059         "Test program"
1060         app = TestApp()
1061         app.mainloop()
1062
1063
1064 if __name__ == '__main__':
1065         test()