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1"A sort of application framework for the Mac"
2
3DEBUG=0
4
5from warnings import warnpy3k
6warnpy3k("In 3.x, the FrameWork module is removed.", stacklevel=2)
7
8import MacOS
9import traceback
10
11from Carbon.AE import *
12from Carbon.AppleEvents import *
13from Carbon.Ctl import *
14from Carbon.Controls import *
15from Carbon.Dlg import *
16from Carbon.Dialogs import *
17from Carbon.Evt import *
18from Carbon.Events import *
19from Carbon.Help import *
20from Carbon.Menu import *
21from Carbon.Menus import *
22from Carbon.Qd import *
23from Carbon.QuickDraw import *
24#from Carbon.Res import *
25#from Carbon.Resources import *
26#from Carbon.Snd import *
27#from Carbon.Sound import *
28from Carbon.Win import *
29from Carbon.Windows import *
30import types
31
32import EasyDialogs
33
34try:
35    MyFrontWindow = FrontNonFloatingWindow
36except NameError:
37    MyFrontWindow = FrontWindow
38
39kHighLevelEvent = 23    # Don't know what header file this should come from
40SCROLLBARWIDTH = 16         # Again, not a clue...
41
42# Trick to forestall a set of SIOUX menus being added to our menubar
43SIOUX_APPLEMENU_ID=32000
44
45
46# Map event 'what' field to strings
47eventname = {}
48eventname[1] = 'mouseDown'
49eventname[2] = 'mouseUp'
50eventname[3] = 'keyDown'
51eventname[4] = 'keyUp'
52eventname[5] = 'autoKey'
53eventname[6] = 'updateEvt'
54eventname[7] = 'diskEvt'
55eventname[8] = 'activateEvt'
56eventname[15] = 'osEvt'
57eventname[23] = 'kHighLevelEvent'
58
59# Map part codes returned by WhichWindow() to strings
60partname = {}
61partname[0] = 'inDesk'
62partname[1] = 'inMenuBar'
63partname[2] = 'inSysWindow'
64partname[3] = 'inContent'
65partname[4] = 'inDrag'
66partname[5] = 'inGrow'
67partname[6] = 'inGoAway'
68partname[7] = 'inZoomIn'
69partname[8] = 'inZoomOut'
70
71#
72# The useable portion of the screen
73#       ## but what happens with multiple screens? jvr
74screenbounds = GetQDGlobalsScreenBits().bounds
75screenbounds = screenbounds[0]+4, screenbounds[1]+4, \
76    screenbounds[2]-4, screenbounds[3]-4
77
78next_window_x = 16          # jvr
79next_window_y = 44          # jvr
80
81def windowbounds(width, height):
82    "Return sensible window bounds"
83    global next_window_x, next_window_y
84    r, b = next_window_x+width, next_window_y+height
85    if r > screenbounds[2]:
86        next_window_x = 16
87    if b > screenbounds[3]:
88        next_window_y = 44
89    l, t = next_window_x, next_window_y
90    r, b = next_window_x+width, next_window_y+height
91    next_window_x, next_window_y = next_window_x + 8, next_window_y + 20    # jvr
92    return l, t, r, b
93
94_watch = None
95def setwatchcursor():
96    global _watch
97
98    if _watch is None:
99        _watch = GetCursor(4).data
100    SetCursor(_watch)
101
102def setarrowcursor():
103    SetCursor(GetQDGlobalsArrow())
104
105class Application:
106
107    "Application framework -- your application should be a derived class"
108
109    def __init__(self, nomenubar=0):
110        self._doing_asyncevents = 0
111        self.quitting = 0
112        self.needmenubarredraw = 0
113        self._windows = {}
114        self._helpmenu = None
115        if nomenubar:
116            self.menubar = None
117        else:
118            self.makemenubar()
119
120    def __del__(self):
121        if self._doing_asyncevents:
122            self._doing_asyncevents = 0
123            MacOS.SetEventHandler()
124
125    def makemenubar(self):
126        self.menubar = MenuBar(self)
127        AppleMenu(self.menubar, self.getabouttext(), self.do_about)
128        self.makeusermenus()
129
130    def makeusermenus(self):
131        self.filemenu = m = Menu(self.menubar, "File")
132        self._quititem = MenuItem(m, "Quit", "Q", self._quit)
133
134    def gethelpmenu(self):
135        if self._helpmenu is None:
136            self._helpmenu = HelpMenu(self.menubar)
137        return self._helpmenu
138
139    def _quit(self, *args):
140        self.quitting = 1
141
142    def cleanup(self):
143        for w in self._windows.values():
144            w.do_close()
145        return self._windows == {}
146
147    def appendwindow(self, wid, window):
148        self._windows[wid] = window
149
150    def removewindow(self, wid):
151        del self._windows[wid]
152
153    def getabouttext(self):
154        return "About %s..." % self.__class__.__name__
155
156    def do_about(self, id, item, window, event):
157        EasyDialogs.Message("Hello, world!" + "\015(%s)" % self.__class__.__name__)
158
159    # The main event loop is broken up in several simple steps.
160    # This is done so you can override each individual part,
161    # if you have a need to do extra processing independent of the
162    # event type.
163    # Normally, however, you'd just define handlers for individual
164    # events.
165
166    schedparams = (0, 0)    # By default disable Python's event handling
167    default_wait = None         # By default we wait GetCaretTime in WaitNextEvent
168
169    def mainloop(self, mask = everyEvent, wait = None):
170        self.quitting = 0
171        if hasattr(MacOS, 'SchedParams'):
172            saveparams = MacOS.SchedParams(*self.schedparams)
173        try:
174            while not self.quitting:
175                try:
176                    self.do1event(mask, wait)
177                except (Application, SystemExit):
178                    # Note: the raising of "self" is old-fashioned idiom to
179                    # exit the mainloop. Calling _quit() is better for new
180                    # applications.
181                    break
182        finally:
183            if hasattr(MacOS, 'SchedParams'):
184                MacOS.SchedParams(*saveparams)
185
186    def dopendingevents(self, mask = everyEvent):
187        """dopendingevents - Handle all pending events"""
188        while self.do1event(mask, wait=0):
189            pass
190
191    def do1event(self, mask = everyEvent, wait = None):
192        ok, event = self.getevent(mask, wait)
193        if IsDialogEvent(event):
194            if self.do_dialogevent(event):
195                return
196        if ok:
197            self.dispatch(event)
198        else:
199            self.idle(event)
200
201    def idle(self, event):
202        pass
203
204    def getevent(self, mask = everyEvent, wait = None):
205        if self.needmenubarredraw:
206            DrawMenuBar()
207            self.needmenubarredraw = 0
208        if wait is None:
209            wait = self.default_wait
210            if wait is None:
211                wait = GetCaretTime()
212        ok, event = WaitNextEvent(mask, wait)
213        return ok, event
214
215    def dispatch(self, event):
216        # The following appears to be double work (already done in do1event)
217        # but we need it for asynchronous event handling
218        if IsDialogEvent(event):
219            if self.do_dialogevent(event):
220                return
221        (what, message, when, where, modifiers) = event
222        if what in eventname:
223            name = "do_" + eventname[what]
224        else:
225            name = "do_%d" % what
226        try:
227            handler = getattr(self, name)
228        except AttributeError:
229            handler = self.do_unknownevent
230        handler(event)
231
232    def asyncevents(self, onoff):
233        """asyncevents - Set asynchronous event handling on or off"""
234        if MacOS.runtimemodel == 'macho':
235            raise 'Unsupported in MachoPython'
236        old = self._doing_asyncevents
237        if old:
238            MacOS.SetEventHandler()
239            MacOS.SchedParams(*self.schedparams)
240        if onoff:
241            MacOS.SetEventHandler(self.dispatch)
242            doint, dummymask, benice, howoften, bgyield = \
243                   self.schedparams
244            MacOS.SchedParams(doint, everyEvent, benice,
245                      howoften, bgyield)
246        self._doing_asyncevents = onoff
247        return old
248
249    def do_dialogevent(self, event):
250        gotone, dlg, item = DialogSelect(event)
251        if gotone:
252            window = dlg.GetDialogWindow()
253            if window in self._windows:
254                self._windows[window].do_itemhit(item, event)
255            else:
256                print 'Dialog event for unknown dialog'
257            return 1
258        return 0
259
260    def do_mouseDown(self, event):
261        (what, message, when, where, modifiers) = event
262        partcode, wid = FindWindow(where)
263
264        #
265        # Find the correct name.
266        #
267        if partcode in partname:
268            name = "do_" + partname[partcode]
269        else:
270            name = "do_%d" % partcode
271
272        if wid is None:
273            # No window, or a non-python window
274            try:
275                handler = getattr(self, name)
276            except AttributeError:
277                # Not menubar or something, so assume someone
278                # else's window
279                if hasattr(MacOS, 'HandleEvent'):
280                    MacOS.HandleEvent(event)
281                return
282        elif wid in self._windows:
283            # It is a window. Hand off to correct window.
284            window = self._windows[wid]
285            try:
286                handler = getattr(window, name)
287            except AttributeError:
288                handler = self.do_unknownpartcode
289        else:
290            # It is a python-toolbox window, but not ours.
291            handler = self.do_unknownwindow
292        handler(partcode, wid, event)
293
294    def do_inSysWindow(self, partcode, window, event):
295        if hasattr(MacOS, 'HandleEvent'):
296            MacOS.HandleEvent(event)
297
298    def do_inDesk(self, partcode, window, event):
299        if hasattr(MacOS, 'HandleEvent'):
300            MacOS.HandleEvent(event)
301
302    def do_inMenuBar(self, partcode, window, event):
303        if not self.menubar:
304            if hasattr(MacOS, 'HandleEvent'):
305                MacOS.HandleEvent(event)
306            return
307        (what, message, when, where, modifiers) = event
308        result = MenuSelect(where)
309        id = (result>>16) & 0xffff      # Hi word
310        if id >= 0x8000:
311            id = -65536 + id
312        item = result & 0xffff      # Lo word
313        self.do_rawmenu(id, item, window, event)
314
315    def do_rawmenu(self, id, item, window, event):
316        try:
317            self.do_menu(id, item, window, event)
318        finally:
319            HiliteMenu(0)
320
321    def do_menu(self, id, item, window, event):
322        if hasattr(MacOS, 'OutputSeen'):
323            MacOS.OutputSeen()
324        self.menubar.dispatch(id, item, window, event)
325
326
327    def do_unknownpartcode(self, partcode, window, event):
328        (what, message, when, where, modifiers) = event
329        if DEBUG: print "Mouse down at global:", where
330        if DEBUG: print "\tUnknown part code:", partcode
331        if DEBUG: print "\tEvent:", self.printevent(event)
332        if hasattr(MacOS, 'HandleEvent'):
333            MacOS.HandleEvent(event)
334
335    def do_unknownwindow(self, partcode, window, event):
336        if DEBUG: print 'Unknown window:', window
337        if hasattr(MacOS, 'HandleEvent'):
338            MacOS.HandleEvent(event)
339
340    def do_keyDown(self, event):
341        self.do_key(event)
342
343    def do_autoKey(self, event):
344        if not event[-1] & cmdKey:
345            self.do_key(event)
346
347    def do_key(self, event):
348        (what, message, when, where, modifiers) = event
349        c = chr(message & charCodeMask)
350        if self.menubar:
351            result = MenuEvent(event)
352            id = (result>>16) & 0xffff      # Hi word
353            item = result & 0xffff      # Lo word
354            if id:
355                self.do_rawmenu(id, item, None, event)
356                return
357            # Otherwise we fall-through
358        if modifiers & cmdKey:
359            if c == '.':
360                raise self
361            else:
362                if not self.menubar:
363                    if hasattr(MacOS, 'HandleEvent'):
364                        MacOS.HandleEvent(event)
365                return
366        else:
367            # See whether the front window wants it
368            w = MyFrontWindow()
369            if w and w in self._windows:
370                window = self._windows[w]
371                try:
372                    do_char = window.do_char
373                except AttributeError:
374                    do_char = self.do_char
375                do_char(c, event)
376            # else it wasn't for us, sigh...
377
378    def do_char(self, c, event):
379        if DEBUG: print "Character", repr(c)
380
381    def do_updateEvt(self, event):
382        (what, message, when, where, modifiers) = event
383        wid = WhichWindow(message)
384        if wid and wid in self._windows:
385            window = self._windows[wid]
386            window.do_rawupdate(wid, event)
387        else:
388            if hasattr(MacOS, 'HandleEvent'):
389                MacOS.HandleEvent(event)
390
391    def do_activateEvt(self, event):
392        (what, message, when, where, modifiers) = event
393        wid = WhichWindow(message)
394        if wid and wid in self._windows:
395            window = self._windows[wid]
396            window.do_activate(modifiers & 1, event)
397        else:
398            if hasattr(MacOS, 'HandleEvent'):
399                MacOS.HandleEvent(event)
400
401    def do_osEvt(self, event):
402        (what, message, when, where, modifiers) = event
403        which = (message >> 24) & 0xff
404        if which == 1:  # suspend/resume
405            self.do_suspendresume(event)
406        else:
407            if DEBUG:
408                print 'unknown osEvt:',
409                self.printevent(event)
410
411    def do_suspendresume(self, event):
412        (what, message, when, where, modifiers) = event
413        wid = MyFrontWindow()
414        if wid and wid in self._windows:
415            window = self._windows[wid]
416            window.do_activate(message & 1, event)
417
418    def do_kHighLevelEvent(self, event):
419        (what, message, when, where, modifiers) = event
420        if DEBUG:
421            print "High Level Event:",
422            self.printevent(event)
423        try:
424            AEProcessAppleEvent(event)
425        except:
426            pass
427            #print "AEProcessAppleEvent error:"
428            #traceback.print_exc()
429
430    def do_unknownevent(self, event):
431        if DEBUG:
432            print "Unhandled event:",
433            self.printevent(event)
434
435    def printevent(self, event):
436        (what, message, when, where, modifiers) = event
437        nicewhat = repr(what)
438        if what in eventname:
439            nicewhat = eventname[what]
440        print nicewhat,
441        if what == kHighLevelEvent:
442            h, v = where
443            print repr(ostypecode(message)), hex(when), repr(ostypecode(h | (v<<16))),
444        else:
445            print hex(message), hex(when), where,
446        print hex(modifiers)
447
448
449class MenuBar:
450    """Represent a set of menus in a menu bar.
451
452    Interface:
453
454    - (constructor)
455    - (destructor)
456    - addmenu
457    - addpopup (normally used internally)
458    - dispatch (called from Application)
459    """
460
461    nextid = 1      # Necessarily a class variable
462
463    def getnextid(self):
464        id = MenuBar.nextid
465        MenuBar.nextid = id+1
466        return id
467
468    def __init__(self, parent=None):
469        self.parent = parent
470        ClearMenuBar()
471        self.bar = GetMenuBar()
472        self.menus = {}
473
474    # XXX necessary?
475    def close(self):
476        self.parent = None
477        self.bar = None
478        self.menus = None
479
480    def addmenu(self, title, after = 0, id=None):
481        if id is None:
482            id = self.getnextid()
483        if DEBUG: print 'Newmenu', title, id # XXXX
484        m = NewMenu(id, title)
485        m.InsertMenu(after)
486        if after >= 0:
487            if self.parent:
488                self.parent.needmenubarredraw = 1
489            else:
490                DrawMenuBar()
491        return id, m
492
493    def delmenu(self, id):
494        if DEBUG: print 'Delmenu', id # XXXX
495        DeleteMenu(id)
496
497    def addpopup(self, title = ''):
498        return self.addmenu(title, -1)
499
500# Useless:
501#       def install(self):
502#           if not self.bar: return
503#           SetMenuBar(self.bar)
504#           if self.parent:
505#               self.parent.needmenubarredraw = 1
506#           else:
507#               DrawMenuBar()
508
509    def fixmenudimstate(self):
510        for m in self.menus.keys():
511            menu = self.menus[m]
512            if menu.__class__ == FrameWork.AppleMenu:
513                continue
514            for i in range(len(menu.items)):
515                label, shortcut, callback, kind = menu.items[i]
516                if type(callback) == types.StringType:
517                    wid = MyFrontWindow()
518                    if wid and wid in self.parent._windows:
519                        window = self.parent._windows[wid]
520                        if hasattr(window, "domenu_" + callback):
521                            menu.menu.EnableMenuItem(i + 1)
522                        elif hasattr(self.parent, "domenu_" + callback):
523                            menu.menu.EnableMenuItem(i + 1)
524                        else:
525                            menu.menu.DisableMenuItem(i + 1)
526                    elif hasattr(self.parent, "domenu_" + callback):
527                        menu.menu.EnableMenuItem(i + 1)
528                    else:
529                        menu.menu.DisableMenuItem(i + 1)
530                elif callback:
531                    pass
532
533    def dispatch(self, id, item, window, event):
534        if id in self.menus:
535            self.menus[id].dispatch(id, item, window, event)
536        else:
537            if DEBUG: print "MenuBar.dispatch(%d, %d, %s, %s)" % \
538                (id, item, window, event)
539
540
541# XXX Need a way to get menus as resources and bind them to callbacks
542
543class Menu:
544    "One menu."
545
546    def __init__(self, bar, title, after=0, id=None):
547        self.bar = bar
548        self.id, self.menu = self.bar.addmenu(title, after, id)
549        bar.menus[self.id] = self
550        self.items = []
551        self._parent = None
552
553    def delete(self):
554        self.bar.delmenu(self.id)
555        del self.bar.menus[self.id]
556        self.menu.DisposeMenu()
557        del self.bar
558        del self.items
559        del self.menu
560        del self.id
561        del self._parent
562
563    def additem(self, label, shortcut=None, callback=None, kind=None):
564        self.menu.AppendMenu('x')           # add a dummy string
565        self.items.append((label, shortcut, callback, kind))
566        item = len(self.items)
567        if isinstance(label, unicode):
568            self.menu.SetMenuItemTextWithCFString(item, label)
569        else:
570            self.menu.SetMenuItemText(item, label)
571        if shortcut and type(shortcut) == type(()):
572            modifiers, char = shortcut[:2]
573            self.menu.SetItemCmd(item, ord(char))
574            self.menu.SetMenuItemModifiers(item, modifiers)
575            if len(shortcut) > 2:
576                self.menu.SetMenuItemKeyGlyph(item, shortcut[2])
577        elif shortcut:
578            self.menu.SetItemCmd(item, ord(shortcut))
579        return item
580
581    def delitem(self, item):
582        if item != len(self.items):
583            raise 'Can only delete last item of a menu'
584        self.menu.DeleteMenuItem(item)
585        del self.items[item-1]
586
587    def addcheck(self, label, shortcut=None, callback=None):
588        return self.additem(label, shortcut, callback, 'check')
589
590    def addradio(self, label, shortcut=None, callback=None):
591        return self.additem(label, shortcut, callback, 'radio')
592
593    def addseparator(self):
594        self.menu.AppendMenu('(-')
595        self.items.append(('', None, None, 'separator'))
596
597    def addsubmenu(self, label, title=''):
598        sub = Menu(self.bar, title, -1)
599        item = self.additem(label, '\x1B', None, 'submenu')
600        self.menu.SetItemMark(item, sub.id)
601        sub._parent = self
602        sub._parent_item = item
603        return sub
604
605    def dispatch(self, id, item, window, event):
606        title, shortcut, callback, mtype = self.items[item-1]
607        if callback:
608            if not self.bar.parent or type(callback) != types.StringType:
609                menuhandler = callback
610            else:
611                # callback is string
612                wid = MyFrontWindow()
613                if wid and wid in self.bar.parent._windows:
614                    window = self.bar.parent._windows[wid]
615                    if hasattr(window, "domenu_" + callback):
616                        menuhandler = getattr(window, "domenu_" + callback)
617                    elif hasattr(self.bar.parent, "domenu_" + callback):
618                        menuhandler = getattr(self.bar.parent, "domenu_" + callback)
619                    else:
620                        # nothing we can do. we shouldn't have come this far
621                        # since the menu item should have been disabled...
622                        return
623                elif hasattr(self.bar.parent, "domenu_" + callback):
624                    menuhandler = getattr(self.bar.parent, "domenu_" + callback)
625                else:
626                    # nothing we can do. we shouldn't have come this far
627                    # since the menu item should have been disabled...
628                    return
629            menuhandler(id, item, window, event)
630
631    def enable(self, onoff):
632        if onoff:
633            self.menu.EnableMenuItem(0)
634            if self._parent:
635                self._parent.menu.EnableMenuItem(self._parent_item)
636        else:
637            self.menu.DisableMenuItem(0)
638            if self._parent:
639                self._parent.menu.DisableMenuItem(self._parent_item)
640        if self.bar and self.bar.parent:
641            self.bar.parent.needmenubarredraw = 1
642
643class PopupMenu(Menu):
644    def __init__(self, bar):
645        Menu.__init__(self, bar, '(popup)', -1)
646
647    def popup(self, x, y, event, default=1, window=None):
648        # NOTE that x and y are global coordinates, and they should probably
649        # be topleft of the button the user clicked (not mouse-coordinates),
650        # so the popup nicely overlaps.
651        reply = self.menu.PopUpMenuSelect(x, y, default)
652        if not reply:
653            return
654        id = (reply >> 16) & 0xffff
655        item = reply & 0xffff
656        if not window:
657            wid = MyFrontWindow()
658            try:
659                window = self.bar.parent._windows[wid]
660            except:
661                pass # If we can't find the window we pass None
662        self.dispatch(id, item, window, event)
663
664class MenuItem:
665    def __init__(self, menu, title, shortcut=None, callback=None, kind=None):
666        self.item = menu.additem(title, shortcut, callback)
667        self.menu = menu
668
669    def delete(self):
670        self.menu.delitem(self.item)
671        del self.menu
672        del self.item
673
674    def check(self, onoff):
675        self.menu.menu.CheckMenuItem(self.item, onoff)
676
677    def enable(self, onoff):
678        if onoff:
679            self.menu.menu.EnableMenuItem(self.item)
680        else:
681            self.menu.menu.DisableMenuItem(self.item)
682
683    def settext(self, text):
684        self.menu.menu.SetMenuItemText(self.item, text)
685
686    def setstyle(self, style):
687        self.menu.menu.SetItemStyle(self.item, style)
688
689    def seticon(self, icon):
690        self.menu.menu.SetItemIcon(self.item, icon)
691
692    def setcmd(self, cmd):
693        self.menu.menu.SetItemCmd(self.item, cmd)
694
695    def setmark(self, cmd):
696        self.menu.menu.SetItemMark(self.item, cmd)
697
698
699class RadioItem(MenuItem):
700    def __init__(self, menu, title, shortcut=None, callback=None):
701        MenuItem.__init__(self, menu, title, shortcut, callback, 'radio')
702
703class CheckItem(MenuItem):
704    def __init__(self, menu, title, shortcut=None, callback=None):
705        MenuItem.__init__(self, menu, title, shortcut, callback, 'check')
706
707def Separator(menu):
708    menu.addseparator()
709
710def SubMenu(menu, label, title=''):
711    return menu.addsubmenu(label, title)
712
713
714class AppleMenu(Menu):
715
716    def __init__(self, bar, abouttext="About me...", aboutcallback=None):
717        Menu.__init__(self, bar, "\024", id=SIOUX_APPLEMENU_ID)
718        if MacOS.runtimemodel == 'ppc':
719            self.additem(abouttext, None, aboutcallback)
720            self.addseparator()
721            self.menu.AppendResMenu('DRVR')
722        else:
723            # Additem()'s tricks do not work for "apple" menu under Carbon
724            self.menu.InsertMenuItem(abouttext, 0)
725            self.items.append((abouttext, None, aboutcallback, None))
726
727    def dispatch(self, id, item, window, event):
728        if item == 1:
729            Menu.dispatch(self, id, item, window, event)
730        elif MacOS.runtimemodel == 'ppc':
731            name = self.menu.GetMenuItemText(item)
732            OpenDeskAcc(name)
733
734class HelpMenu(Menu):
735    def __init__(self, bar):
736        # Note we don't call Menu.__init__, we do the necessary things by hand
737        self.bar = bar
738        self.menu, index = HMGetHelpMenu()
739        self.id = self.menu.GetMenuID()
740        bar.menus[self.id] = self
741        # The next line caters for the entries the system already handles for us
742        self.items = [None]*(index-1)
743        self._parent = None
744
745
746class Window:
747    """A single window belonging to an application"""
748
749    def __init__(self, parent):
750        self.wid = None
751        self.parent = parent
752
753    def open(self, bounds=(40, 40, 400, 400), resid=None):
754        if resid != None:
755            self.wid = GetNewWindow(resid, -1)
756        else:
757            self.wid = NewWindow(bounds, self.__class__.__name__, 1,
758                8, -1, 1, 0)    # changed to proc id 8 to include zoom box. jvr
759        self.do_postopen()
760
761    def do_postopen(self):
762        """Tell our parent we exist"""
763        self.parent.appendwindow(self.wid, self)
764
765    def close(self):
766        self.do_postclose()
767
768    def do_postclose(self):
769        self.parent.removewindow(self.wid)
770        self.parent = None
771        self.wid = None
772
773    def SetPort(self):
774        # Convinience method
775        SetPort(self.wid)
776
777    def GetWindow(self):
778        return self.wid
779
780    def do_inDrag(self, partcode, window, event):
781        where = event[3]
782        window.DragWindow(where, self.draglimit)
783
784    draglimit = screenbounds
785
786    def do_inGoAway(self, partcode, window, event):
787        where = event[3]
788        if window.TrackGoAway(where):
789            self.close()
790
791    def do_inZoom(self, partcode, window, event):
792        (what, message, when, where, modifiers) = event
793        if window.TrackBox(where, partcode):
794            window.ZoomWindow(partcode, 1)
795            rect = window.GetWindowUserState()                  # so that zoom really works... jvr
796            self.do_postresize(rect[2] - rect[0], rect[3] - rect[1], window)    # jvr
797
798    def do_inZoomIn(self, partcode, window, event):
799        SetPort(window) # !!!
800        self.do_inZoom(partcode, window, event)
801
802    def do_inZoomOut(self, partcode, window, event):
803        SetPort(window) # !!!
804        self.do_inZoom(partcode, window, event)
805
806    def do_inGrow(self, partcode, window, event):
807        (what, message, when, where, modifiers) = event
808        result = window.GrowWindow(where, self.growlimit)
809        if result:
810            height = (result>>16) & 0xffff  # Hi word
811            width = result & 0xffff     # Lo word
812            self.do_resize(width, height, window)
813
814    growlimit = (50, 50, screenbounds[2] - screenbounds[0], screenbounds[3] - screenbounds[1])      # jvr
815
816    def do_resize(self, width, height, window):
817        l, t, r, b = self.wid.GetWindowPort().GetPortBounds()           # jvr, forGrowIcon
818        self.SetPort()                          # jvr
819        self.wid.InvalWindowRect((r - SCROLLBARWIDTH + 1, b - SCROLLBARWIDTH + 1, r, b))    # jvr
820        window.SizeWindow(width, height, 1)         # changed updateFlag to true jvr
821        self.do_postresize(width, height, window)
822
823    def do_postresize(self, width, height, window):
824        SetPort(window)
825        self.wid.InvalWindowRect(window.GetWindowPort().GetPortBounds())
826
827    def do_inContent(self, partcode, window, event):
828        #
829        # If we're not frontmost, select ourselves and wait for
830        # the activate event.
831        #
832        if MyFrontWindow() != window:
833            window.SelectWindow()
834            return
835        # We are. Handle the event.
836        (what, message, when, where, modifiers) = event
837        SetPort(window)
838        local = GlobalToLocal(where)
839        self.do_contentclick(local, modifiers, event)
840
841    def do_contentclick(self, local, modifiers, event):
842        if DEBUG:
843            print 'Click in contents at %s, modifiers %s'%(local, modifiers)
844
845    def do_rawupdate(self, window, event):
846        if DEBUG: print "raw update for", window
847        SetPort(window)
848        window.BeginUpdate()
849        self.do_update(window, event)
850        window.EndUpdate()
851
852    def do_update(self, window, event):
853        if DEBUG:
854            import time
855            for i in range(8):
856                time.sleep(0.1)
857                InvertRgn(window.GetWindowPort().visRgn)
858            FillRgn(window.GetWindowPort().visRgn, GetQDGlobalsGray())
859        else:
860            EraseRgn(window.GetWindowPort().visRgn)
861
862    def do_activate(self, activate, event):
863        if DEBUG: print 'Activate %d for %s'%(activate, self.wid)
864
865class ControlsWindow(Window):
866
867    def do_rawupdate(self, window, event):
868        if DEBUG: print "raw update for", window
869        SetPort(window)
870        window.BeginUpdate()
871        self.do_update(window, event)
872        #DrawControls(window)                   # jvr
873        UpdateControls(window, window.GetWindowPort().visRgn)   # jvr
874        window.DrawGrowIcon()
875        window.EndUpdate()
876
877    def do_controlhit(self, window, control, pcode, event):
878        if DEBUG: print "control hit in", window, "on", control, "; pcode =", pcode
879
880    def do_inContent(self, partcode, window, event):
881        if MyFrontWindow() != window:
882            window.SelectWindow()
883            return
884        (what, message, when, where, modifiers) = event
885        SetPort(window)  # XXXX Needed?
886        local = GlobalToLocal(where)
887        pcode, control = FindControl(local, window)
888        if pcode and control:
889            self.do_rawcontrolhit(window, control, pcode, local, event)
890        else:
891            if DEBUG: print "FindControl(%s, %s) -> (%s, %s)" % \
892                (local, window, pcode, control)
893            self.do_contentclick(local, modifiers, event)
894
895    def do_rawcontrolhit(self, window, control, pcode, local, event):
896        pcode = control.TrackControl(local)
897        if pcode:
898            self.do_controlhit(window, control, pcode, event)
899
900class ScrolledWindow(ControlsWindow):
901    def __init__(self, parent):
902        self.barx = self.bary = None
903        self.barx_enabled = self.bary_enabled = 1
904        self.activated = 1
905        ControlsWindow.__init__(self, parent)
906
907    def scrollbars(self, wantx=1, wanty=1):
908        SetPort(self.wid)
909        self.barx = self.bary = None
910        self.barx_enabled = self.bary_enabled = 1
911        x0, y0, x1, y1 = self.wid.GetWindowPort().GetPortBounds()
912        vx, vy = self.getscrollbarvalues()
913        if vx is None: self.barx_enabled, vx = 0, 0
914        if vy is None: self.bary_enabled, vy = 0, 0
915        if wantx:
916            rect = x0-1, y1-(SCROLLBARWIDTH-1), x1-(SCROLLBARWIDTH-2), y1+1
917            self.barx = NewControl(self.wid, rect, "", 1, vx, 0, 32767, 16, 0)
918            if not self.barx_enabled: self.barx.HiliteControl(255)
919##              self.wid.InvalWindowRect(rect)
920        if wanty:
921            rect = x1-(SCROLLBARWIDTH-1), y0-1, x1+1, y1-(SCROLLBARWIDTH-2)
922            self.bary = NewControl(self.wid, rect, "", 1, vy, 0, 32767, 16, 0)
923            if not self.bary_enabled: self.bary.HiliteControl(255)
924##              self.wid.InvalWindowRect(rect)
925
926    def do_postclose(self):
927        self.barx = self.bary = None
928        ControlsWindow.do_postclose(self)
929
930    def do_activate(self, onoff, event):
931        self.activated = onoff
932        if onoff:
933            if self.barx and self.barx_enabled:
934                self.barx.ShowControl() # jvr
935            if self.bary and self.bary_enabled:
936                self.bary.ShowControl() # jvr
937        else:
938            if self.barx:
939                self.barx.HideControl() # jvr; An inactive window should have *hidden*
940                            # scrollbars, not just dimmed (no matter what
941                            # BBEdit does... look at the Finder)
942            if self.bary:
943                self.bary.HideControl() # jvr
944        self.wid.DrawGrowIcon()         # jvr
945
946    def do_postresize(self, width, height, window):
947        l, t, r, b = self.wid.GetWindowPort().GetPortBounds()
948        self.SetPort()
949        if self.barx:
950            self.barx.HideControl()     # jvr
951            self.barx.MoveControl(l-1, b-(SCROLLBARWIDTH-1))
952            self.barx.SizeControl((r-l)-(SCROLLBARWIDTH-3), SCROLLBARWIDTH) # jvr
953        if self.bary:
954            self.bary.HideControl()     # jvr
955            self.bary.MoveControl(r-(SCROLLBARWIDTH-1), t-1)
956            self.bary.SizeControl(SCROLLBARWIDTH, (b-t)-(SCROLLBARWIDTH-3)) # jvr
957        if self.barx:
958            self.barx.ShowControl()     # jvr
959            self.wid.ValidWindowRect((l, b - SCROLLBARWIDTH + 1, r - SCROLLBARWIDTH + 2, b))    # jvr
960        if self.bary:
961            self.bary.ShowControl()     # jvr
962            self.wid.ValidWindowRect((r - SCROLLBARWIDTH + 1, t, r, b - SCROLLBARWIDTH + 2))    # jvr
963        self.wid.InvalWindowRect((r - SCROLLBARWIDTH + 1, b - SCROLLBARWIDTH + 1, r, b))    # jvr, growicon
964
965
966    def do_rawcontrolhit(self, window, control, pcode, local, event):
967        if control == self.barx:
968            which = 'x'
969        elif control == self.bary:
970            which = 'y'
971        else:
972            return 0
973        if pcode in (inUpButton, inDownButton, inPageUp, inPageDown):
974            # We do the work for the buttons and grey area in the tracker
975            dummy = control.TrackControl(local, self.do_controltrack)
976        else:
977            # but the thumb is handled here
978            pcode = control.TrackControl(local)
979            if pcode == inThumb:
980                value = control.GetControlValue()
981                print 'setbars', which, value #DBG
982                self.scrollbar_callback(which, 'set', value)
983                self.updatescrollbars()
984            else:
985                print 'funny part', pcode #DBG
986        return 1
987
988    def do_controltrack(self, control, pcode):
989        if control == self.barx:
990            which = 'x'
991        elif control == self.bary:
992            which = 'y'
993        else:
994            return
995
996        if pcode == inUpButton:
997            what = '-'
998        elif pcode == inDownButton:
999            what = '+'
1000        elif pcode == inPageUp:
1001            what = '--'
1002        elif pcode == inPageDown:
1003            what = '++'
1004        else:
1005            return
1006        self.scrollbar_callback(which, what, None)
1007        self.updatescrollbars()
1008
1009    def updatescrollbars(self):
1010        SetPort(self.wid)
1011        vx, vy = self.getscrollbarvalues()
1012        if self.barx:
1013            if vx is None:
1014                self.barx.HiliteControl(255)
1015                self.barx_enabled = 0
1016            else:
1017                if not self.barx_enabled:
1018                    self.barx_enabled = 1
1019                    if self.activated:
1020                        self.barx.HiliteControl(0)
1021                self.barx.SetControlValue(vx)
1022        if self.bary:
1023            if vy is None:
1024                self.bary.HiliteControl(255)
1025                self.bary_enabled = 0
1026            else:
1027                if not self.bary_enabled:
1028                    self.bary_enabled = 1
1029                    if self.activated:
1030                        self.bary.HiliteControl(0)
1031                self.bary.SetControlValue(vy)
1032
1033    # Auxiliary function: convert standard text/image/etc coordinate
1034    # to something palatable as getscrollbarvalues() return
1035    def scalebarvalue(self, absmin, absmax, curmin, curmax):
1036        if curmin <= absmin and curmax >= absmax:
1037            return None
1038        if curmin <= absmin:
1039            return 0
1040        if curmax >= absmax:
1041            return 32767
1042        perc = float(curmin-absmin)/float(absmax-absmin)
1043        return int(perc*32767)
1044
1045    # To be overridden:
1046
1047    def getscrollbarvalues(self):
1048        return 0, 0
1049
1050    def scrollbar_callback(self, which, what, value):
1051        print 'scroll', which, what, value
1052
1053class DialogWindow(Window):
1054    """A modeless dialog window"""
1055
1056    def open(self, resid):
1057        self.dlg = GetNewDialog(resid, -1)
1058        self.wid = self.dlg.GetDialogWindow()
1059        self.do_postopen()
1060
1061    def close(self):
1062        self.do_postclose()
1063
1064    def do_postclose(self):
1065        self.dlg = None
1066        Window.do_postclose(self)
1067
1068    def do_itemhit(self, item, event):
1069        print 'Dialog %s, item %d hit'%(self.dlg, item)
1070
1071    def do_rawupdate(self, window, event):
1072        pass
1073
1074def ostypecode(x):
1075    "Convert a long int to the 4-character code it really is"
1076    s = ''
1077    for i in range(4):
1078        x, c = divmod(x, 256)
1079        s = chr(c) + s
1080    return s
1081
1082
1083class TestApp(Application):
1084
1085    "This class is used by the test() function"
1086
1087    def makeusermenus(self):
1088        self.filemenu = m = Menu(self.menubar, "File")
1089        self.saveitem = MenuItem(m, "Save", "S", self.save)
1090        Separator(m)
1091        self.optionsmenu = mm = SubMenu(m, "Options")
1092        self.opt1 = CheckItem(mm, "Arguments", "A")
1093        self.opt2 = CheckItem(mm, "Being hit on the head lessons", (kMenuOptionModifier, "A"))
1094        self.opt3 = CheckItem(mm, "Complaints", (kMenuOptionModifier|kMenuNoCommandModifier, "A"))
1095        Separator(m)
1096        self.itemeh = MenuItem(m, "Enable Help", None, self.enablehelp)
1097        self.itemdbg = MenuItem(m, "Debug", None, self.debug)
1098        Separator(m)
1099        self.quititem = MenuItem(m, "Quit", "Q", self.quit)
1100
1101    def save(self, *args):
1102        print "Save"
1103
1104    def quit(self, *args):
1105        raise self
1106
1107    def enablehelp(self, *args):
1108        hm = self.gethelpmenu()
1109        self.nohelpitem = MenuItem(hm, "There isn't any", None, self.nohelp)
1110
1111    def nohelp(self, *args):
1112        print "I told you there isn't any!"
1113
1114    def debug(self, *args):
1115        import pdb
1116        pdb.set_trace()
1117
1118
1119def test():
1120    "Test program"
1121    app = TestApp()
1122    app.mainloop()
1123
1124
1125if __name__ == '__main__':
1126    test()
1127