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