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, self.schedparams)
 164
 165         schedparams = MacOS.SchedParams()
 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 modifiers & cmdKey:
 315                         if c == '.':
 316                                 raise self
 317                         else:
 318                                 if not self.menubar:
 319                                         MacOS.HandleEvent(event)
 320                                         return
 321                                 result = MenuKey(ord(c))
 322                                 id = (result>>16) & 0xffff      # Hi word
 323                                 item = result & 0xffff          # Lo word
 324                                 if id:
 325                                         self.do_rawmenu(id, item, None, event)
 326 #                               elif c == 'w':
 327 #                                       w = FrontWindow()
 328 #                                       if w:
 329 #                                               self.do_close(w)
 330 #                                       else:
 331 #                                               if DEBUG: print 'Command-W without front window'
 332                                 else:
 333                                         if DEBUG: print "Command-" +`c`
 334                 else:
 335                         # See whether the front window wants it
 336                         w = FrontWindow()
 337                         if w and self._windows.has_key(w):
 338                                 window = self._windows[w]
 339                                 try:
 340                                         do_char = window.do_char
 341                                 except AttributeError:
 342                                         do_char = self.do_char
 343                                 do_char(c, event)
 344                         # else it wasn't for us, sigh...
 345
 346         def do_char(self, c, event):
 347                 if DEBUG: print "Character", `c`
 348
 349         def do_updateEvt(self, event):
 350                 (what, message, when, where, modifiers) = event
 351                 wid = WhichWindow(message)
 352                 if wid and self._windows.has_key(wid):
 353                         window = self._windows[wid]
 354                         window.do_rawupdate(wid, event)
 355                 else:
 356                         MacOS.HandleEvent(event)
 357
 358         def do_activateEvt(self, event):
 359                 (what, message, when, where, modifiers) = event
 360                 # XXXX Incorrect, should be fixed in suspendresume
 361                 if type(message) == type(1):
 362                         wid = WhichWindow(message)
 363                 else:
 364                         wid = message
 365                 if wid and self._windows.has_key(wid):
 366                         window = self._windows[wid]
 367                         window.do_activate(modifiers & 1, event)
 368                 else:
 369                         MacOS.HandleEvent(event)
 370
 371         def do_osEvt(self, event):
 372                 (what, message, when, where, modifiers) = event
 373                 which = (message >> 24) & 0xff
 374                 if which == 1:  # suspend/resume
 375                         self.do_suspendresume(event)
 376                 else:
 377                         if DEBUG:
 378                                 print 'unknown osEvt:',
 379                                 self.printevent(event)
 380
 381         def do_suspendresume(self, event):
 382                 # Is this a good idea???
 383                 (what, message, when, where, modifiers) = event
 384                 w = FrontWindow()
 385                 if w:
 386                         # XXXX Incorrect, should stuff windowptr into message field
 387                         nev = (activateEvt, w, when, where, message&1)
 388                         self.do_activateEvt(nev)
 389
 390         def do_kHighLevelEvent(self, event):
 391                 (what, message, when, where, modifiers) = event
 392                 if DEBUG:
 393                         print "High Level Event:",
 394                         self.printevent(event)
 395                 try:
 396                         AEProcessAppleEvent(event)
 397                 except:
 398                         print "AEProcessAppleEvent error:"
 399                         traceback.print_exc()
 400
 401         def do_unknownevent(self, event):
 402                 if DEBUG:
 403                         print "Unhandled event:",
 404                         self.printevent(event)
 405
 406         def printevent(self, event):
 407                 (what, message, when, where, modifiers) = event
 408                 nicewhat = `what`
 409                 if eventname.has_key(what):
 410                         nicewhat = eventname[what]
 411                 print nicewhat,
 412                 if what == kHighLevelEvent:
 413                         h, v = where
 414                         print `ostypecode(message)`, hex(when), `ostypecode(h | (v<<16))`,
 415                 else:
 416                         print hex(message), hex(when), where,
 417                 print hex(modifiers)
 418
 419
 420 class MenuBar:
 421         """Represent a set of menus in a menu bar.
 422
 423         Interface:
 424
 425         - (constructor)
 426         - (destructor)
 427         - addmenu
 428         - addpopup (normally used internally)
 429         - dispatch (called from Application)
 430         """
 431
 432         nextid = 1      # Necessarily a class variable
 433
 434         def getnextid(self):
 435                 id = MenuBar.nextid
 436                 MenuBar.nextid = id+1
 437                 return id
 438
 439         def __init__(self, parent=None):
 440                 self.parent = parent
 441                 ClearMenuBar()
 442                 self.bar = GetMenuBar()
 443                 self.menus = {}
 444
 445         # XXX necessary?
 446         def close(self):
 447                 self.parent = None
 448                 self.bar = None
 449                 self.menus = None
 450
 451         def addmenu(self, title, after = 0):
 452                 id = self.getnextid()
 453                 if DEBUG: print 'Newmenu', title, id # XXXX
 454                 m = NewMenu(id, title)
 455                 m.InsertMenu(after)
 456                 if after >= 0:
 457                         if self.parent:
 458                                 self.parent.needmenubarredraw = 1
 459                         else:
 460                                 DrawMenuBar()
 461                 return id, m
 462
 463         def delmenu(self, id):
 464                 if DEBUG: print 'Delmenu', id # XXXX
 465                 DeleteMenu(id)
 466
 467         def addpopup(self, title = ''):
 468                 return self.addmenu(title, -1)
 469
 470 # Useless:
 471 #       def install(self):
 472 #               if not self.bar: return
 473 #               SetMenuBar(self.bar)
 474 #               if self.parent:
 475 #                       self.parent.needmenubarredraw = 1
 476 #               else:
 477 #                       DrawMenuBar()
 478
 479         def fixmenudimstate(self):
 480                 for m in self.menus.keys():
 481                         menu = self.menus[m]
 482                         if menu.__class__ == FrameWork.AppleMenu:
 483                                 continue
 484                         for i in range(len(menu.items)):
 485                                 label, shortcut, callback, kind = menu.items[i]
 486                                 if type(callback) == types.StringType:
 487                                         wid = Win.FrontWindow()
 488                                         if wid and self.parent._windows.has_key(wid):
 489                                                 window = self.parent._windows[wid]
 490                                                 if hasattr(window, "domenu_" + callback):
 491                                                         menu.menu.EnableItem(i + 1)
 492                                                 elif hasattr(self.parent, "domenu_" + callback):
 493                                                         menu.menu.EnableItem(i + 1)
 494                                                 else:
 495                                                         menu.menu.DisableItem(i + 1)
 496                                         elif hasattr(self.parent, "domenu_" + callback):
 497                                                 menu.menu.EnableItem(i + 1)
 498                                         else:
 499                                                 menu.menu.DisableItem(i + 1)
 500                                 elif callback:
 501                                         pass
 502
 503         def dispatch(self, id, item, window, event):
 504                 if self.menus.has_key(id):
 505                         self.menus[id].dispatch(id, item, window, event)
 506                 else:
 507                         if DEBUG: print "MenuBar.dispatch(%d, %d, %s, %s)" % \
 508                                 (id, item, window, event)
 509
 510
 511 # XXX Need a way to get menus as resources and bind them to callbacks
 512
 513 class Menu:
 514         "One menu."
 515
 516         def __init__(self, bar, title, after=0):
 517                 self.bar = bar
 518                 self.id, self.menu = self.bar.addmenu(title, after)
 519                 bar.menus[self.id] = self
 520                 self.items = []
 521                 self._parent = None
 522
 523         def delete(self):
 524                 self.bar.delmenu(self.id)
 525                 del self.bar.menus[self.id]
 526                 del self.bar
 527                 del self.items
 528                 del self.menu
 529                 del self.id
 530                 del self._parent
 531
 532         def additem(self, label, shortcut=None, callback=None, kind=None):
 533                 self.menu.AppendMenu('x')               # add a dummy string
 534                 self.items.append(label, shortcut, callback, kind)
 535                 item = len(self.items)
 536                 self.menu.SetMenuItemText(item, label)          # set the actual text
 537                 if shortcut:
 538                         self.menu.SetItemCmd(item, ord(shortcut))
 539                 return item
 540
 541         def delitem(self, item):
 542                 if item != len(self.items):
 543                         raise 'Can only delete last item of a menu'
 544                 self.menu.DeleteMenuItem(item)
 545                 del self.items[item-1]
 546
 547         def addcheck(self, label, shortcut=None, callback=None):
 548                 return self.additem(label, shortcut, callback, 'check')
 549
 550         def addradio(self, label, shortcut=None, callback=None):
 551                 return self.additem(label, shortcut, callback, 'radio')
 552
 553         def addseparator(self):
 554                 self.menu.AppendMenu('(-')
 555                 self.items.append('', None, None, 'separator')
 556
 557         def addsubmenu(self, label, title=''):
 558                 sub = Menu(self.bar, title, -1)
 559                 item = self.additem(label, '\x1B', None, 'submenu')
 560                 self.menu.SetItemMark(item, sub.id)
 561                 sub._parent = self
 562                 sub._parent_item = item
 563                 return sub
 564
 565         def dispatch(self, id, item, window, event):
 566                 title, shortcut, callback, mtype = self.items[item-1]
 567                 if callback:
 568                         if not self.bar.parent or type(callback) <> types.StringType:
 569                                 menuhandler = callback
 570                         else:
 571                                 # callback is string
 572                                 wid = Win.FrontWindow()
 573                                 if wid and self.bar.parent._windows.has_key(wid):
 574                                         window = self.bar.parent._windows[wid]
 575                                         if hasattr(window, "domenu_" + callback):
 576                                                 menuhandler = getattr(window, "domenu_" + callback)
 577                                         elif hasattr(self.bar.parent, "domenu_" + callback):
 578                                                 menuhandler = getattr(self.bar.parent, "domenu_" + callback)
 579                                         else:
 580                                                 # nothing we can do. we shouldn't have come this far
 581                                                 # since the menu item should have been disabled...
 582                                                 return
 583                                 elif hasattr(self.bar.parent, "domenu_" + callback):
 584                                         menuhandler = getattr(self.bar.parent, "domenu_" + callback)
 585                                 else:
 586                                         # nothing we can do. we shouldn't have come this far
 587                                         # since the menu item should have been disabled...
 588                                         return
 589                         menuhandler(id, item, window, event)
 590
 591         def enable(self, onoff):
 592                 if onoff:
 593                         self.menu.EnableItem(0)
 594                         if self._parent:
 595                                 self._parent.menu.EnableItem(self._parent_item)
 596                 else:
 597                         self.menu.DisableItem(0)
 598                         if self._parent:
 599                                 self._parent.menu.DisableItem(self._parent_item)
 600                 if self.bar and self.bar.parent:
 601                                 self.bar.parent.needmenubarredraw = 1
 602
 603 class PopupMenu(Menu):
 604         def __init__(self, bar):
 605                 Menu.__init__(self, bar, '(popup)', -1)
 606
 607         def popup(self, x, y, event, default=1, window=None):
 608                 # NOTE that x and y are global coordinates, and they should probably
 609                 # be topleft of the button the user clicked (not mouse-coordinates),
 610                 # so the popup nicely overlaps.
 611                 reply = self.menu.PopUpMenuSelect(x, y, default)
 612                 if not reply:
 613                         return
 614                 id = (reply & 0xffff0000) >> 16
 615                 item = reply & 0xffff
 616                 if not window:
 617                         wid = Win.FrontWindow()
 618                         try:
 619                                 window = self.bar.parent._windows[wid]
 620                         except:
 621                                 pass # If we can't find the window we pass None
 622                 self.dispatch(id, item, window, event)
 623
 624 class MenuItem:
 625         def __init__(self, menu, title, shortcut=None, callback=None, kind=None):
 626                 self.item = menu.additem(title, shortcut, callback)
 627                 self.menu = menu
 628
 629         def delete(self):
 630                 self.menu.delitem(self.item)
 631                 del self.menu
 632                 del self.item
 633
 634         def check(self, onoff):
 635                 self.menu.menu.CheckItem(self.item, onoff)
 636
 637         def enable(self, onoff):
 638                 if onoff:
 639                         self.menu.menu.EnableItem(self.item)
 640                 else:
 641                         self.menu.menu.DisableItem(self.item)
 642
 643         def settext(self, text):
 644                 self.menu.menu.SetMenuItemText(self.item, text)
 645
 646         def setstyle(self, style):
 647                 self.menu.menu.SetItemStyle(self.item, style)
 648
 649         def seticon(self, icon):
 650                 self.menu.menu.SetItemIcon(self.item, icon)
 651
 652         def setcmd(self, cmd):
 653                 self.menu.menu.SetItemCmd(self.item, cmd)
 654
 655         def setmark(self, cmd):
 656                 self.menu.menu.SetItemMark(self.item, cmd)
 657
 658
 659 class RadioItem(MenuItem):
 660         def __init__(self, menu, title, shortcut=None, callback=None):
 661                 MenuItem.__init__(self, menu, title, shortcut, callback, 'radio')
 662
 663 class CheckItem(MenuItem):
 664         def __init__(self, menu, title, shortcut=None, callback=None):
 665                 MenuItem.__init__(self, menu, title, shortcut, callback, 'check')
 666
 667 def Separator(menu):
 668         menu.addseparator()
 669
 670 def SubMenu(menu, label, title=''):
 671         return menu.addsubmenu(label, title)
 672
 673
 674 class AppleMenu(Menu):
 675
 676         def __init__(self, bar, abouttext="About me...", aboutcallback=None):
 677                 Menu.__init__(self, bar, "\024")
 678                 self.additem(abouttext, None, aboutcallback)
 679                 self.addseparator()
 680                 self.menu.AppendResMenu('DRVR')
 681
 682         def dispatch(self, id, item, window, event):
 683                 if item == 1:
 684                         Menu.dispatch(self, id, item, window, event)
 685                 else:
 686                         name = self.menu.GetMenuItemText(item)
 687                         OpenDeskAcc(name)
 688
 689 class Window:
 690         """A single window belonging to an application"""
 691
 692         def __init__(self, parent):
 693                 self.wid = None
 694                 self.parent = parent
 695
 696         def open(self, bounds=(40, 40, 400, 400), resid=None):
 697                 if resid <> None:
 698                         self.wid = GetNewWindow(resid, -1)
 699                 else:
 700                         self.wid = NewWindow(bounds, self.__class__.__name__, 1,
 701                                 8, -1, 1, 0)    # changed to proc id 8 to include zoom box. jvr
 702                 self.do_postopen()
 703
 704         def do_postopen(self):
 705                 """Tell our parent we exist"""
 706                 self.parent.appendwindow(self.wid, self)
 707
 708         def close(self):
 709                 self.do_postclose()
 710
 711         def do_postclose(self):
 712                 self.parent.removewindow(self.wid)
 713                 self.parent = None
 714                 self.wid = None
 715
 716         def SetPort(self):
 717                 # Convinience method
 718                 SetPort(self.wid)
 719
 720         def do_inDrag(self, partcode, window, event):
 721                 where = event[3]
 722                 window.DragWindow(where, self.draglimit)
 723
 724         draglimit = screenbounds
 725
 726         def do_inGoAway(self, partcode, window, event):
 727                 where = event[3]
 728                 if window.TrackGoAway(where):
 729                         self.close()
 730
 731         def do_inZoom(self, partcode, window, event):
 732                 (what, message, when, where, modifiers) = event
 733                 if window.TrackBox(where, partcode):
 734                         window.ZoomWindow(partcode, 1)
 735                         rect = window.GetWindowUserState()                              # so that zoom really works... jvr
 736                         self.do_postresize(rect[2] - rect[0], rect[3] - rect[1], window)        # jvr
 737
 738         def do_inZoomIn(self, partcode, window, event):
 739                 SetPort(window) # !!!
 740                 self.do_inZoom(partcode, window, event)
 741
 742         def do_inZoomOut(self, partcode, window, event):
 743                 SetPort(window) # !!!
 744                 self.do_inZoom(partcode, window, event)
 745
 746         def do_inGrow(self, partcode, window, event):
 747                 (what, message, when, where, modifiers) = event
 748                 result = window.GrowWindow(where, self.growlimit)
 749                 if result:
 750                         height = (result>>16) & 0xffff  # Hi word
 751                         width = result & 0xffff         # Lo word
 752                         self.do_resize(width, height, window)
 753
 754         growlimit = (50, 50, screenbounds[2] - screenbounds[0], screenbounds[3] - screenbounds[1])      # jvr
 755
 756         def do_resize(self, width, height, window):
 757                 l, t, r, b = self.wid.GetWindowPort().portRect                  # jvr, forGrowIcon
 758                 self.SetPort()                                                  # jvr
 759                 InvalRect((r - SCROLLBARWIDTH + 1, b - SCROLLBARWIDTH + 1, r, b))       # jvr
 760                 window.SizeWindow(width, height, 1)             # changed updateFlag to true jvr
 761                 self.do_postresize(width, height, window)
 762
 763         def do_postresize(self, width, height, window):
 764                 SetPort(window)
 765                 InvalRect(window.GetWindowPort().portRect)
 766
 767         def do_inContent(self, partcode, window, event):
 768                 #
 769                 # If we're not frontmost, select ourselves and wait for
 770                 # the activate event.
 771                 #
 772                 if FrontWindow() <> window:
 773                         window.SelectWindow()
 774                         return
 775                 # We are. Handle the event.
 776                 (what, message, when, where, modifiers) = event
 777                 SetPort(window)
 778                 local = GlobalToLocal(where)
 779                 self.do_contentclick(local, modifiers, event)
 780
 781         def do_contentclick(self, local, modifiers, event):
 782                 if DEBUG:
 783                         print 'Click in contents at %s, modifiers %s'%(local, modifiers)
 784
 785         def do_rawupdate(self, window, event):
 786                 if DEBUG: print "raw update for", window
 787                 SetPort(window)
 788                 window.BeginUpdate()
 789                 self.do_update(window, event)
 790                 window.EndUpdate()
 791
 792         def do_update(self, window, event):
 793                 if DEBUG:
 794                         import time
 795                         for i in range(8):
 796                                 time.sleep(0.1)
 797                                 InvertRgn(window.GetWindowPort().visRgn)
 798                         FillRgn(window.GetWindowPort().visRgn, qd.gray)
 799                 else:
 800                         EraseRgn(window.GetWindowPort().visRgn)
 801
 802         def do_activate(self, activate, event):
 803                 if DEBUG: print 'Activate %d for %s'%(activate, self.wid)
 804
 805 class ControlsWindow(Window):
 806
 807         def do_rawupdate(self, window, event):
 808                 if DEBUG: print "raw update for", window
 809                 SetPort(window)
 810                 window.BeginUpdate()
 811                 self.do_update(window, event)
 812                 #DrawControls(window)                                   # jvr
 813                 UpdateControls(window, window.GetWindowPort().visRgn)   # jvr
 814                 window.DrawGrowIcon()
 815                 window.EndUpdate()
 816
 817         def do_controlhit(self, window, control, pcode, event):
 818                 if DEBUG: print "control hit in", window, "on", control, "; pcode =", pcode
 819
 820         def do_inContent(self, partcode, window, event):
 821                 if FrontWindow() <> window:
 822                         window.SelectWindow()
 823                         return
 824                 (what, message, when, where, modifiers) = event
 825                 SetPort(window)  # XXXX Needed?
 826                 local = GlobalToLocal(where)
 827                 pcode, control = FindControl(local, window)
 828                 if pcode and control:
 829                         self.do_rawcontrolhit(window, control, pcode, local, event)
 830                 else:
 831                         if DEBUG: print "FindControl(%s, %s) -> (%s, %s)" % \
 832                                 (local, window, pcode, control)
 833                         self.do_contentclick(local, modifiers, event)
 834
 835         def do_rawcontrolhit(self, window, control, pcode, local, event):
 836                 pcode = control.TrackControl(local)
 837                 if pcode:
 838                         self.do_controlhit(window, control, pcode, event)
 839
 840 class ScrolledWindow(ControlsWindow):
 841         def __init__(self, parent):
 842                 self.barx = self.bary = None
 843                 self.barx_enabled = self.bary_enabled = 1
 844                 self.activated = 1
 845                 ControlsWindow.__init__(self, parent)
 846
 847         def scrollbars(self, wantx=1, wanty=1):
 848                 SetPort(self.wid)
 849                 self.barx = self.bary = None
 850                 self.barx_enabled = self.bary_enabled = 1
 851                 x0, y0, x1, y1 = self.wid.GetWindowPort().portRect
 852                 vx, vy = self.getscrollbarvalues()
 853                 if vx == None: self.barx_enabled, vx = 0, 0
 854                 if vy == None: self.bary_enabled, vy = 0, 0
 855                 if wantx:
 856                         rect = x0-1, y1-(SCROLLBARWIDTH-1), x1-(SCROLLBARWIDTH-2), y1+1
 857                         self.barx = NewControl(self.wid, rect, "", 1, vx, 0, 32767, 16, 0)
 858                         if not self.barx_enabled: self.barx.HiliteControl(255)
 859 ##                      InvalRect(rect)
 860                 if wanty:
 861                         rect = x1-(SCROLLBARWIDTH-1), y0-1, x1+1, y1-(SCROLLBARWIDTH-2)
 862                         self.bary = NewControl(self.wid, rect, "", 1, vy, 0, 32767, 16, 0)
 863                         if not self.bary_enabled: self.bary.HiliteControl(255)
 864 ##                      InvalRect(rect)
 865
 866         def do_postclose(self):
 867                 self.barx = self.bary = None
 868                 ControlsWindow.do_postclose(self)
 869
 870         def do_activate(self, onoff, event):
 871                 self.activated = onoff
 872                 if onoff:
 873                         if self.barx and self.barx_enabled:
 874                                 self.barx.ShowControl() # jvr
 875                         if self.bary and self.bary_enabled:
 876                                 self.bary.ShowControl() # jvr
 877                 else:
 878                         if self.barx:
 879                                 self.barx.HideControl() # jvr; An inactive window should have *hidden*
 880                                                         # scrollbars, not just dimmed (no matter what
 881                                                         # BBEdit does... look at the Finder)
 882                         if self.bary:
 883                                 self.bary.HideControl() # jvr
 884                 self.wid.DrawGrowIcon()                 # jvr
 885
 886         def do_postresize(self, width, height, window):
 887                 l, t, r, b = self.wid.GetWindowPort().portRect
 888                 self.SetPort()
 889                 if self.barx:
 890                         self.barx.HideControl()         # jvr
 891                         self.barx.MoveControl(l-1, b-(SCROLLBARWIDTH-1))
 892                         self.barx.SizeControl((r-l)-(SCROLLBARWIDTH-3), SCROLLBARWIDTH) # jvr
 893                 if self.bary:
 894                         self.bary.HideControl()         # jvr
 895                         self.bary.MoveControl(r-(SCROLLBARWIDTH-1), t-1)
 896                         self.bary.SizeControl(SCROLLBARWIDTH, (b-t)-(SCROLLBARWIDTH-3)) # jvr
 897                 if self.barx:
 898                         self.barx.ShowControl()         # jvr
 899                         ValidRect((l, b - SCROLLBARWIDTH + 1, r - SCROLLBARWIDTH + 2, b))       # jvr
 900                 if self.bary:
 901                         self.bary.ShowControl()         # jvr
 902                         ValidRect((r - SCROLLBARWIDTH + 1, t, r, b - SCROLLBARWIDTH + 2))       # jvr
 903                 InvalRect((r - SCROLLBARWIDTH + 1, b - SCROLLBARWIDTH + 1, r, b))       # jvr, growicon
 904
 905
 906         def do_rawcontrolhit(self, window, control, pcode, local, event):
 907                 if control == self.barx:
 908                         which = 'x'
 909                 elif control == self.bary:
 910                         which = 'y'
 911                 else:
 912                         return 0
 913                 if pcode in (inUpButton, inDownButton, inPageUp, inPageDown):
 914                         # We do the work for the buttons and grey area in the tracker
 915                         dummy = control.TrackControl(local, self.do_controltrack)
 916                 else:
 917                         # but the thumb is handled here
 918                         pcode = control.TrackControl(local)
 919                         if pcode == inThumb:
 920                                 value = control.GetControlValue()
 921                                 print 'setbars', which, value #DBG
 922                                 self.scrollbar_callback(which, 'set', value)
 923                                 self.updatescrollbars()
 924                         else:
 925                                 print 'funny part', pcode #DBG
 926                 return 1
 927
 928         def do_controltrack(self, control, pcode):
 929                 if control == self.barx:
 930                         which = 'x'
 931                 elif control == self.bary:
 932                         which = 'y'
 933                 else:
 934                         return
 935
 936                 if pcode == inUpButton:
 937                         what = '-'
 938                 elif pcode == inDownButton:
 939                         what = '+'
 940                 elif pcode == inPageUp:
 941                         what = '--'
 942                 elif pcode == inPageDown:
 943                         what = '++'
 944                 else:
 945                         return
 946                 self.scrollbar_callback(which, what, None)
 947                 self.updatescrollbars()
 948
 949         def updatescrollbars(self):
 950                 SetPort(self.wid)
 951                 vx, vy = self.getscrollbarvalues()
 952                 if self.barx:
 953                         if vx == None:
 954                                 self.barx.HiliteControl(255)
 955                                 self.barx_enabled = 0
 956                         else:
 957                                 if not self.barx_enabled:
 958                                         self.barx_enabled = 1
 959                                         if self.activated:
 960                                                 self.barx.HiliteControl(0)
 961                                 self.barx.SetControlValue(vx)
 962                 if self.bary:
 963                         if vy == None:
 964                                 self.bary.HiliteControl(255)
 965                                 self.bary_enabled = 0
 966                         else:
 967                                 if not self.bary_enabled:
 968                                         self.bary_enabled = 1
 969                                         if self.activated:
 970                                                 self.bary.HiliteControl(0)
 971                                 self.bary.SetControlValue(vy)
 972
 973         # Auxiliary function: convert standard text/image/etc coordinate
 974         # to something palatable as getscrollbarvalues() return
 975         def scalebarvalue(self, absmin, absmax, curmin, curmax):
 976                 if curmin <= absmin and curmax >= absmax:
 977                         return None
 978                 if curmin <= absmin:
 979                         return 0
 980                 if curmax >= absmax:
 981                         return 32767
 982                 perc = float(curmin-absmin)/float(absmax-absmin)
 983                 return int(perc*32767)
 984
 985         # To be overridden:
 986
 987         def getscrollbarvalues(self):
 988                 return 0, 0
 989
 990         def scrollbar_callback(self, which, what, value):
 991                 print 'scroll', which, what, value
 992
 993 class DialogWindow(Window):
 994         """A modeless dialog window"""
 995
 996         def open(self, resid):
 997                 self.wid = GetNewDialog(resid, -1)
 998                 self.do_postopen()
 999
1000         def close(self):
1001                 self.do_postclose()
1002
1003         def do_itemhit(self, item, event):
1004                 print 'Dialog %s, item %d hit'%(self.wid, item)
1005
1006         def do_rawupdate(self, window, event):
1007                 pass
1008
1009 def ostypecode(x):
1010         "Convert a long int to the 4-character code it really is"
1011         s = ''
1012         for i in range(4):
1013                 x, c = divmod(x, 256)
1014                 s = chr(c) + s
1015         return s
1016
1017
1018 class TestApp(Application):
1019
1020         "This class is used by the test() function"
1021
1022         def makeusermenus(self):
1023                 self.filemenu = m = Menu(self.menubar, "File")
1024                 self.saveitem = MenuItem(m, "Save", "S", self.save)
1025                 Separator(m)
1026                 self.optionsmenu = mm = SubMenu(m, "Options")
1027                 self.opt1 = CheckItem(mm, "Arguments")
1028                 self.opt2 = CheckItem(mm, "Being hit on the head lessons")
1029                 self.opt3 = CheckItem(mm, "Complaints")
1030                 Separator(m)
1031                 self.quititem = MenuItem(m, "Quit", "Q", self.quit)
1032
1033         def save(self, *args):
1034                 print "Save"
1035
1036         def quit(self, *args):
1037                 raise self
1038
1039
1040 def test():
1041         "Test program"
1042         app = TestApp()
1043         app.mainloop()
1044
1045
1046 if __name__ == '__main__':
1047         test()