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