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cpython/Mac/Lib/FrameWork.py

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"A sort of application framework for the Mac"
DEBUG=0
import MacOS
import traceback
from AE import *
from AppleEvents import *
from Ctl import *
from Controls import *
from Dlg import *
from Dialogs import *
from Evt import *
from Events import *
from Menu import *
from Menus import *
from Qd import *
from QuickDraw import *
#from Res import *
#from Resources import *
#from Snd import *
#from Sound import *
from Win import *
from Windows import *
import types
import EasyDialogs
kHighLevelEvent = 23 # Don't know what header file this should come from
SCROLLBARWIDTH = 16 # Again, not a clue...
# Map event 'what' field to strings
eventname = {}
eventname[1] = 'mouseDown'
eventname[2] = 'mouseUp'
eventname[3] = 'keyDown'
eventname[4] = 'keyUp'
eventname[5] = 'autoKey'
eventname[6] = 'updateEvt'
eventname[7] = 'diskEvt'
eventname[8] = 'activateEvt'
eventname[15] = 'osEvt'
eventname[23] = 'kHighLevelEvent'
# Map part codes returned by WhichWindow() to strings
partname = {}
partname[0] = 'inDesk'
partname[1] = 'inMenuBar'
partname[2] = 'inSysWindow'
partname[3] = 'inContent'
partname[4] = 'inDrag'
partname[5] = 'inGrow'
partname[6] = 'inGoAway'
partname[7] = 'inZoomIn'
partname[8] = 'inZoomOut'
#
# The useable portion of the screen
# ## but what happens with multiple screens? jvr
screenbounds = qd.screenBits.bounds
screenbounds = screenbounds[0]+4, screenbounds[1]+4, \
screenbounds[2]-4, screenbounds[3]-4
next_window_x = 16 # jvr
next_window_y = 44 # jvr
def windowbounds(width, height):
"Return sensible window bounds"
global next_window_x, next_window_y
r, b = next_window_x+width, next_window_y+height
if r > screenbounds[2]:
next_window_x = 16
if b > screenbounds[3]:
next_window_y = 44
l, t = next_window_x, next_window_y
r, b = next_window_x+width, next_window_y+height
next_window_x, next_window_y = next_window_x + 8, next_window_y + 20 # jvr
return l, t, r, b
_watch = None
def setwatchcursor():
global _watch
if _watch == None:
_watch = GetCursor(4).data
SetCursor(_watch)
def setarrowcursor():
SetCursor(qd.arrow)
class Application:
"Application framework -- your application should be a derived class"
def __init__(self, nomenubar=0):
self._doing_asyncevents = 0
self.quitting = 0
self.needmenubarredraw = 0
self._windows = {}
if nomenubar:
self.menubar = None
else:
self.makemenubar()
def __del__(self):
if self._doing_asyncevents:
self._doing_asyncevents = 0
MacOS.SetEventHandler()
def makemenubar(self):
self.menubar = MenuBar(self)
AppleMenu(self.menubar, self.getabouttext(), self.do_about)
self.makeusermenus()
def makeusermenus(self):
self.filemenu = m = Menu(self.menubar, "File")
self._quititem = MenuItem(m, "Quit", "Q", self._quit)
def _quit(self, *args):
self.quitting = 1
def cleanup(self):
for w in self._windows.values():
w.do_close()
return self._windows == {}
def appendwindow(self, wid, window):
self._windows[wid] = window
def removewindow(self, wid):
del self._windows[wid]
def getabouttext(self):
return "About %s..." % self.__class__.__name__
def do_about(self, id, item, window, event):
EasyDialogs.Message("Hello, world!" + "\015(%s)" % self.__class__.__name__)
# The main event loop is broken up in several simple steps.
# This is done so you can override each individual part,
# if you have a need to do extra processing independent of the
# event type.
# Normally, however, you'd just define handlers for individual
# events.
# (XXX I'm not sure if using default parameter values is the right
# way to define the mask and wait time passed to WaitNextEvent.)
def mainloop(self, mask = everyEvent, wait = 0):
self.quitting = 0
saveparams = apply(MacOS.SchedParams, self.schedparams)
try:
while not self.quitting:
try:
self.do1event(mask, wait)
except (Application, SystemExit):
# Note: the raising of "self" is old-fashioned idiom to
# exit the mainloop. Calling _quit() is better for new
# applications.
break
finally:
apply(MacOS.SchedParams, self.schedparams)
schedparams = MacOS.SchedParams()
def dopendingevents(self, mask = everyEvent):
"""dopendingevents - Handle all pending events"""
while self.do1event(mask, wait=0):
pass
def do1event(self, mask = everyEvent, wait = 0):
ok, event = self.getevent(mask, wait)
if IsDialogEvent(event):
if self.do_dialogevent(event):
return
if ok:
self.dispatch(event)
else:
self.idle(event)
def idle(self, event):
pass
def getevent(self, mask = everyEvent, wait = 0):
if self.needmenubarredraw:
DrawMenuBar()
self.needmenubarredraw = 0
ok, event = WaitNextEvent(mask, wait)
return ok, event
def dispatch(self, event):
# The following appears to be double work (already done in do1event)
# but we need it for asynchronous event handling
if IsDialogEvent(event):
if self.do_dialogevent(event):
return
(what, message, when, where, modifiers) = event
if eventname.has_key(what):
name = "do_" + eventname[what]
else:
name = "do_%d" % what
try:
handler = getattr(self, name)
except AttributeError:
handler = self.do_unknownevent
handler(event)
def asyncevents(self, onoff):
"""asyncevents - Set asynchronous event handling on or off"""
old = self._doing_asyncevents
if old:
MacOS.SetEventHandler()
apply(MacOS.SchedParams, self.schedparams)
if onoff:
MacOS.SetEventHandler(self.dispatch)
doint, dummymask, benice, howoften, bgyield = \
self.schedparams
MacOS.SchedParams(doint, everyEvent, benice,
howoften, bgyield)
self._doing_asyncevents = onoff
return old
def do_dialogevent(self, event):
gotone, window, item = DialogSelect(event)
if gotone:
if self._windows.has_key(window):
self._windows[window].do_itemhit(item, event)
else:
print 'Dialog event for unknown dialog'
return 1
return 0
def do_mouseDown(self, event):
(what, message, when, where, modifiers) = event
partcode, wid = FindWindow(where)
#
# Find the correct name.
#
if partname.has_key(partcode):
name = "do_" + partname[partcode]
else:
name = "do_%d" % partcode
if wid == None:
# No window, or a non-python window
try:
handler = getattr(self, name)
except AttributeError:
# Not menubar or something, so assume someone
# else's window
MacOS.HandleEvent(event)
return
elif self._windows.has_key(wid):
# It is a window. Hand off to correct window.
window = self._windows[wid]
try:
handler = getattr(window, name)
except AttributeError:
handler = self.do_unknownpartcode
else:
# It is a python-toolbox window, but not ours.
handler = self.do_unknownwindow
handler(partcode, wid, event)
def do_inSysWindow(self, partcode, window, event):
MacOS.HandleEvent(event)
def do_inDesk(self, partcode, window, event):
MacOS.HandleEvent(event)
def do_inMenuBar(self, partcode, window, event):
if not self.menubar:
MacOS.HandleEvent(event)
return
(what, message, when, where, modifiers) = event
result = MenuSelect(where)
id = (result>>16) & 0xffff # Hi word
item = result & 0xffff # Lo word
self.do_rawmenu(id, item, window, event)
def do_rawmenu(self, id, item, window, event):
try:
self.do_menu(id, item, window, event)
finally:
HiliteMenu(0)
def do_menu(self, id, item, window, event):
self.menubar.dispatch(id, item, window, event)
def do_unknownpartcode(self, partcode, window, event):
(what, message, when, where, modifiers) = event
if DEBUG: print "Mouse down at global:", where
if DEBUG: print "\tUnknown part code:", partcode
if DEBUG: print "\tEvent:", self.printevent(event)
MacOS.HandleEvent(event)
def do_unknownwindow(self, partcode, window, event):
if DEBUG: print 'Unknown window:', window
MacOS.HandleEvent(event)
def do_keyDown(self, event):
self.do_key(event)
def do_autoKey(self, event):
if not event[-1] & cmdKey:
self.do_key(event)
def do_key(self, event):
(what, message, when, where, modifiers) = event
c = chr(message & charCodeMask)
if modifiers & cmdKey:
if c == '.':
raise self
else:
if not self.menubar:
MacOS.HandleEvent(event)
return
result = MenuKey(ord(c))
id = (result>>16) & 0xffff # Hi word
item = result & 0xffff # Lo word
if id:
self.do_rawmenu(id, item, None, event)
# elif c == 'w':
# w = FrontWindow()
# if w:
# self.do_close(w)
# else:
# if DEBUG: print 'Command-W without front window'
else:
if DEBUG: print "Command-" +`c`
else:
# See whether the front window wants it
w = FrontWindow()
if w and self._windows.has_key(w):
window = self._windows[w]
try:
do_char = window.do_char
except AttributeError:
do_char = self.do_char
do_char(c, event)
# else it wasn't for us, sigh...
def do_char(self, c, event):
if DEBUG: print "Character", `c`
def do_updateEvt(self, event):
(what, message, when, where, modifiers) = event
wid = WhichWindow(message)
if wid and self._windows.has_key(wid):
window = self._windows[wid]
window.do_rawupdate(wid, event)
else:
MacOS.HandleEvent(event)
def do_activateEvt(self, event):
(what, message, when, where, modifiers) = event
# XXXX Incorrect, should be fixed in suspendresume
if type(message) == type(1):
wid = WhichWindow(message)
else:
wid = message
if wid and self._windows.has_key(wid):
window = self._windows[wid]
window.do_activate(modifiers & 1, event)
else:
MacOS.HandleEvent(event)
def do_osEvt(self, event):
(what, message, when, where, modifiers) = event
which = (message >> 24) & 0xff
if which == 1: # suspend/resume
self.do_suspendresume(event)
else:
if DEBUG:
print 'unknown osEvt:',
self.printevent(event)
def do_suspendresume(self, event):
# Is this a good idea???
(what, message, when, where, modifiers) = event
w = FrontWindow()
if w:
# XXXX Incorrect, should stuff windowptr into message field
nev = (activateEvt, w, when, where, message&1)
self.do_activateEvt(nev)
def do_kHighLevelEvent(self, event):
(what, message, when, where, modifiers) = event
if DEBUG:
print "High Level Event:",
self.printevent(event)
try:
AEProcessAppleEvent(event)
except:
print "AEProcessAppleEvent error:"
traceback.print_exc()
def do_unknownevent(self, event):
if DEBUG:
print "Unhandled event:",
self.printevent(event)
def printevent(self, event):
(what, message, when, where, modifiers) = event
nicewhat = `what`
if eventname.has_key(what):
nicewhat = eventname[what]
print nicewhat,
if what == kHighLevelEvent:
h, v = where
print `ostypecode(message)`, hex(when), `ostypecode(h | (v<<16))`,
else:
print hex(message), hex(when), where,
print hex(modifiers)
class MenuBar:
"""Represent a set of menus in a menu bar.
Interface:
- (constructor)
- (destructor)
- addmenu
- addpopup (normally used internally)
- dispatch (called from Application)
"""
nextid = 1 # Necessarily a class variable
def getnextid(self):
id = MenuBar.nextid
MenuBar.nextid = id+1
return id
def __init__(self, parent=None):
self.parent = parent
ClearMenuBar()
self.bar = GetMenuBar()
self.menus = {}
# XXX necessary?
def close(self):
self.parent = None
self.bar = None
self.menus = None
def addmenu(self, title, after = 0):
id = self.getnextid()
if DEBUG: print 'Newmenu', title, id # XXXX
m = NewMenu(id, title)
m.InsertMenu(after)
if after >= 0:
if self.parent:
self.parent.needmenubarredraw = 1
else:
DrawMenuBar()
return id, m
def delmenu(self, id):
if DEBUG: print 'Delmenu', id # XXXX
DeleteMenu(id)
def addpopup(self, title = ''):
return self.addmenu(title, -1)
# Useless:
# def install(self):
# if not self.bar: return
# SetMenuBar(self.bar)
# if self.parent:
# self.parent.needmenubarredraw = 1
# else:
# DrawMenuBar()
def fixmenudimstate(self):
for m in self.menus.keys():
menu = self.menus[m]
if menu.__class__ == FrameWork.AppleMenu:
continue
for i in range(len(menu.items)):
label, shortcut, callback, kind = menu.items[i]
if type(callback) == types.StringType:
wid = Win.FrontWindow()
if wid and self.parent._windows.has_key(wid):
window = self.parent._windows[wid]
if hasattr(window, "domenu_" + callback):
menu.menu.EnableItem(i + 1)
elif hasattr(self.parent, "domenu_" + callback):
menu.menu.EnableItem(i + 1)
else:
menu.menu.DisableItem(i + 1)
elif hasattr(self.parent, "domenu_" + callback):
menu.menu.EnableItem(i + 1)
else:
menu.menu.DisableItem(i + 1)
elif callback:
pass
def dispatch(self, id, item, window, event):
if self.menus.has_key(id):
self.menus[id].dispatch(id, item, window, event)
else:
if DEBUG: print "MenuBar.dispatch(%d, %d, %s, %s)" % \
(id, item, window, event)
# XXX Need a way to get menus as resources and bind them to callbacks
class Menu:
"One menu."
def __init__(self, bar, title, after=0):
self.bar = bar
self.id, self.menu = self.bar.addmenu(title, after)
bar.menus[self.id] = self
self.items = []
def delete(self):
self.bar.delmenu(self.id)
del self.bar.menus[self.id]
del self.bar
del self.items
del self.menu
del self.id
def additem(self, label, shortcut=None, callback=None, kind=None):
self.menu.AppendMenu('x') # add a dummy string
self.items.append(label, shortcut, callback, kind)
item = len(self.items)
self.menu.SetMenuItemText(item, label) # set the actual text
if shortcut:
self.menu.SetItemCmd(item, ord(shortcut))
return item
def addcheck(self, label, shortcut=None, callback=None):
return self.additem(label, shortcut, callback, 'check')
def addradio(self, label, shortcut=None, callback=None):
return self.additem(label, shortcut, callback, 'radio')
def addseparator(self):
self.menu.AppendMenu('(-')
self.items.append('', None, None, 'separator')
def addsubmenu(self, label, title=''):
sub = Menu(self.bar, title, -1)
item = self.additem(label, '\x1B', None, 'submenu')
self.menu.SetItemMark(item, sub.id)
return sub
def dispatch(self, id, item, window, event):
title, shortcut, callback, mtype = self.items[item-1]
if callback:
if not self.bar.parent or type(callback) <> types.StringType:
menuhandler = callback
else:
# callback is string
wid = Win.FrontWindow()
if wid and self.bar.parent._windows.has_key(wid):
window = self.bar.parent._windows[wid]
if hasattr(window, "domenu_" + callback):
menuhandler = getattr(window, "domenu_" + callback)
elif hasattr(self.bar.parent, "domenu_" + callback):
menuhandler = getattr(self.bar.parent, "domenu_" + callback)
else:
# nothing we can do. we shouldn't have come this far
# since the menu item should have been disabled...
return
elif hasattr(self.bar.parent, "domenu_" + callback):
menuhandler = getattr(self.bar.parent, "domenu_" + callback)
else:
# nothing we can do. we shouldn't have come this far
# since the menu item should have been disabled...
return
menuhandler(id, item, window, event)
def enable(self, onoff):
if onoff:
self.menu.EnableItem(0)
else:
self.menu.DisableItem(0)
class PopupMenu(Menu):
def __init__(self, bar):
Menu.__init__(self, bar, '(popup)', -1)
def popup(self, x, y, event, default=1, window=None):
# NOTE that x and y are global coordinates, and they should probably
# be topleft of the button the user clicked (not mouse-coordinates),
# so the popup nicely overlaps.
reply = self.menu.PopUpMenuSelect(x, y, default)
if not reply:
return
id = (reply & 0xffff0000) >> 16
item = reply & 0xffff
if not window:
wid = Win.FrontWindow()
try:
window = self.bar.parent._windows[wid]
except:
pass # If we can't find the window we pass None
self.dispatch(id, item, window, event)
class MenuItem:
def __init__(self, menu, title, shortcut=None, callback=None, kind=None):
self.item = menu.additem(title, shortcut, callback)
self.menu = menu
def check(self, onoff):
self.menu.menu.CheckItem(self.item, onoff)
def enable(self, onoff):
if onoff:
self.menu.menu.EnableItem(self.item)
else:
self.menu.menu.DisableItem(self.item)
def settext(self, text):
self.menu.menu.SetMenuItemText(self.item, text)
def setstyle(self, style):
self.menu.menu.SetItemStyle(self.item, style)
def seticon(self, icon):
self.menu.menu.SetItemIcon(self.item, icon)
def setcmd(self, cmd):
self.menu.menu.SetItemCmd(self.item, cmd)
def setmark(self, cmd):
self.menu.menu.SetItemMark(self.item, cmd)
class RadioItem(MenuItem):
def __init__(self, menu, title, shortcut=None, callback=None):
MenuItem.__init__(self, menu, title, shortcut, callback, 'radio')
class CheckItem(MenuItem):
def __init__(self, menu, title, shortcut=None, callback=None):
MenuItem.__init__(self, menu, title, shortcut, callback, 'check')
def Separator(menu):
menu.addseparator()
def SubMenu(menu, label, title=''):
return menu.addsubmenu(label, title)
class AppleMenu(Menu):
def __init__(self, bar, abouttext="About me...", aboutcallback=None):
Menu.__init__(self, bar, "\024")
self.additem(abouttext, None, aboutcallback)
self.addseparator()
self.menu.AppendResMenu('DRVR')
def dispatch(self, id, item, window, event):
if item == 1:
Menu.dispatch(self, id, item, window, event)
else:
name = self.menu.GetMenuItemText(item)
OpenDeskAcc(name)
class Window:
"""A single window belonging to an application"""
def __init__(self, parent):
self.wid = None
self.parent = parent
def open(self, bounds=(40, 40, 400, 400), resid=None):
if resid <> None:
self.wid = GetNewWindow(resid, -1)
else:
self.wid = NewWindow(bounds, self.__class__.__name__, 1,
8, -1, 1, 0) # changed to proc id 8 to include zoom box. jvr
self.do_postopen()
def do_postopen(self):
"""Tell our parent we exist"""
self.parent.appendwindow(self.wid, self)
def close(self):
self.do_postclose()
def do_postclose(self):
self.parent.removewindow(self.wid)
self.parent = None
self.wid = None
def SetPort(self):
# Convinience method
SetPort(self.wid)
def do_inDrag(self, partcode, window, event):
where = event[3]
window.DragWindow(where, self.draglimit)
draglimit = screenbounds
def do_inGoAway(self, partcode, window, event):
where = event[3]
if window.TrackGoAway(where):
self.close()
def do_inZoom(self, partcode, window, event):
(what, message, when, where, modifiers) = event
if window.TrackBox(where, partcode):
window.ZoomWindow(partcode, 1)
rect = window.GetWindowUserState() # so that zoom really works... jvr
self.do_postresize(rect[2] - rect[0], rect[3] - rect[1], window) # jvr
def do_inZoomIn(self, partcode, window, event):
SetPort(window) # !!!
self.do_inZoom(partcode, window, event)
def do_inZoomOut(self, partcode, window, event):
SetPort(window) # !!!
self.do_inZoom(partcode, window, event)
def do_inGrow(self, partcode, window, event):
(what, message, when, where, modifiers) = event
result = window.GrowWindow(where, self.growlimit)
if result:
height = (result>>16) & 0xffff # Hi word
width = result & 0xffff # Lo word
self.do_resize(width, height, window)
growlimit = (50, 50, screenbounds[2] - screenbounds[0], screenbounds[3] - screenbounds[1]) # jvr
def do_resize(self, width, height, window):
l, t, r, b = self.wid.GetWindowPort().portRect # jvr, forGrowIcon
self.SetPort() # jvr
InvalRect((r - SCROLLBARWIDTH + 1, b - SCROLLBARWIDTH + 1, r, b)) # jvr
window.SizeWindow(width, height, 1) # changed updateFlag to true jvr
self.do_postresize(width, height, window)
def do_postresize(self, width, height, window):
SetPort(window)
InvalRect(window.GetWindowPort().portRect)
def do_inContent(self, partcode, window, event):
#
# If we're not frontmost, select ourselves and wait for
# the activate event.
#
if FrontWindow() <> window:
window.SelectWindow()
return
# We are. Handle the event.
(what, message, when, where, modifiers) = event
SetPort(window)
local = GlobalToLocal(where)
self.do_contentclick(local, modifiers, event)
def do_contentclick(self, local, modifiers, event):
if DEBUG:
print 'Click in contents at %s, modifiers %s'%(local, modifiers)
def do_rawupdate(self, window, event):
if DEBUG: print "raw update for", window
SetPort(window)
window.BeginUpdate()
self.do_update(window, event)
window.EndUpdate()
def do_update(self, window, event):
if DEBUG:
import time
for i in range(8):
time.sleep(0.1)
InvertRgn(window.GetWindowPort().visRgn)
FillRgn(window.GetWindowPort().visRgn, qd.gray)
else:
EraseRgn(window.GetWindowPort().visRgn)
def do_activate(self, activate, event):
if DEBUG: print 'Activate %d for %s'%(activate, self.wid)
class ControlsWindow(Window):
def do_rawupdate(self, window, event):
if DEBUG: print "raw update for", window
SetPort(window)
window.BeginUpdate()
self.do_update(window, event)
#DrawControls(window) # jvr
UpdateControls(window, window.GetWindowPort().visRgn) # jvr
window.DrawGrowIcon()
window.EndUpdate()
def do_controlhit(self, window, control, pcode, event):
if DEBUG: print "control hit in", window, "on", control, "; pcode =", pcode
def do_inContent(self, partcode, window, event):
if FrontWindow() <> window:
window.SelectWindow()
return
(what, message, when, where, modifiers) = event
SetPort(window) # XXXX Needed?
local = GlobalToLocal(where)
ctltype, control = FindControl(local, window)
if ctltype and control:
pcode = control.TrackControl(local)
if pcode:
self.do_controlhit(window, control, pcode, event)
else:
if DEBUG: print "FindControl(%s, %s) -> (%s, %s)" % \
(local, window, ctltype, control)
self.do_contentclick(local, modifiers, event)
class ScrolledWindow(ControlsWindow):
def __init__(self, parent):
self.barx = self.bary = None
self.barx_enabled = self.bary_enabled = 1
self.activated = 1
ControlsWindow.__init__(self, parent)
def scrollbars(self, wantx=1, wanty=1):
SetPort(self.wid)
self.barx = self.bary = None
self.barx_enabled = self.bary_enabled = 1
x0, y0, x1, y1 = self.wid.GetWindowPort().portRect
vx, vy = self.getscrollbarvalues()
if vx == None: self.barx_enabled, vx = 0, 0
if vy == None: self.bary_enabled, vy = 0, 0
if wantx:
rect = x0-1, y1-(SCROLLBARWIDTH-1), x1-(SCROLLBARWIDTH-2), y1+1
self.barx = NewControl(self.wid, rect, "", 1, vx, 0, 32767, 16, 0)
if not self.barx_enabled: self.barx.HiliteControl(255)
## InvalRect(rect)
if wanty:
rect = x1-(SCROLLBARWIDTH-1), y0-1, x1+1, y1-(SCROLLBARWIDTH-2)
self.bary = NewControl(self.wid, rect, "", 1, vy, 0, 32767, 16, 0)
if not self.bary_enabled: self.bary.HiliteControl(255)
## InvalRect(rect)
def do_postclose(self):
self.barx = self.bary = None
ControlsWindow.do_postclose(self)
def do_activate(self, onoff, event):
self.activated = onoff
if onoff:
if self.barx and self.barx_enabled:
self.barx.ShowControl() # jvr
if self.bary and self.bary_enabled:
self.bary.ShowControl() # jvr
else:
if self.barx:
self.barx.HideControl() # jvr; An inactive window should have *hidden*
# scrollbars, not just dimmed (no matter what
# BBEdit does... look at the Finder)
if self.bary:
self.bary.HideControl() # jvr
self.wid.DrawGrowIcon() # jvr
def do_postresize(self, width, height, window):
l, t, r, b = self.wid.GetWindowPort().portRect
self.SetPort()
if self.barx:
self.barx.HideControl() # jvr
self.barx.MoveControl(l-1, b-(SCROLLBARWIDTH-1))
self.barx.SizeControl((r-l)-(SCROLLBARWIDTH-3), SCROLLBARWIDTH) # jvr
if self.bary:
self.bary.HideControl() # jvr
self.bary.MoveControl(r-(SCROLLBARWIDTH-1), t-1)
self.bary.SizeControl(SCROLLBARWIDTH, (b-t)-(SCROLLBARWIDTH-3)) # jvr
if self.barx:
self.barx.ShowControl() # jvr
ValidRect((l, b - SCROLLBARWIDTH + 1, r - SCROLLBARWIDTH + 2, b)) # jvr
if self.bary:
self.bary.ShowControl() # jvr
ValidRect((r - SCROLLBARWIDTH + 1, t, r, b - SCROLLBARWIDTH + 2)) # jvr
InvalRect((r - SCROLLBARWIDTH + 1, b - SCROLLBARWIDTH + 1, r, b)) # jvr, growicon
def do_controlhit(self, window, control, pcode, event):
if control == self.barx:
bar = self.barx
which = 'x'
elif control == self.bary:
bar = self.bary
which = 'y'
else:
return 0
value = None
if pcode == inUpButton:
what = '-'
elif pcode == inDownButton:
what = '+'
elif pcode == inPageUp:
what = '--'
elif pcode == inPageDown:
what = '++'
else:
what = 'set'
value = bar.GetControlValue()
self.scrollbar_callback(which, what, value)
self.updatescrollbars()
return 1
def updatescrollbars(self):
SetPort(self.wid)
vx, vy = self.getscrollbarvalues()
if self.barx:
if vx == None:
self.barx.HiliteControl(255)
self.barx_enabled = 0
else:
if not self.barx_enabled:
self.barx_enabled = 1
if self.activated:
self.barx.HiliteControl(0)
self.barx.SetControlValue(vx)
if self.bary:
if vy == None:
self.bary.HiliteControl(255)
self.bary_enabled = 0
else:
if not self.bary_enabled:
self.bary_enabled = 1
if self.activated:
self.bary.HiliteControl(0)
self.bary.SetControlValue(vy)
# Auxiliary function: convert standard text/image/etc coordinate
# to something palatable as getscrollbarvalues() return
def scalebarvalue(self, absmin, absmax, curmin, curmax):
if curmin <= absmin and curmax >= absmax:
return None
if curmin <= absmin:
return 0
if curmax >= absmax:
return 32767
perc = float(curmin-absmin)/float(absmax-absmin)
return int(perc*32767)
# To be overridden:
def getscrollbarvalues(self):
return 0, 0
def scrollbar_callback(self, which, what, value):
print 'scroll', which, what, value
class DialogWindow(Window):
"""A modeless dialog window"""
def open(self, resid):
self.wid = GetNewDialog(resid, -1)
self.do_postopen()
def close(self):
self.do_postclose()
def do_itemhit(self, item, event):
print 'Dialog %s, item %d hit'%(self.wid, item)
def do_rawupdate(self, window, event):
pass
def ostypecode(x):
"Convert a long int to the 4-character code it really is"
s = ''
for i in range(4):
x, c = divmod(x, 256)
s = chr(c) + s
return s
class TestApp(Application):
"This class is used by the test() function"
def makeusermenus(self):
self.filemenu = m = Menu(self.menubar, "File")
self.saveitem = MenuItem(m, "Save", "S", self.save)
Separator(m)
self.optionsmenu = mm = SubMenu(m, "Options")
self.opt1 = CheckItem(mm, "Arguments")
self.opt2 = CheckItem(mm, "Being hit on the head lessons")
self.opt3 = CheckItem(mm, "Complaints")
Separator(m)
self.quititem = MenuItem(m, "Quit", "Q", self.quit)
def save(self, *args):
print "Save"
def quit(self, *args):
raise self
def test():
"Test program"
app = TestApp()
app.mainloop()
if __name__ == '__main__':
test()
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