cpython/Lib/plat-mac/EasyDialogs.py

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"""Easy to use dialogs.
Message(msg) -- display a message and an OK button.
AskString(prompt, default) -- ask for a string, display OK and Cancel buttons.
AskPassword(prompt, default) -- like AskString(), but shows text as bullets.
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AskYesNoCancel(question, default) -- display a question and Yes, No and Cancel buttons.
bar = Progress(label, maxvalue) -- Display a progress bar
bar.set(value) -- Set value
bar.inc( *amount ) -- increment value by amount (default=1)
bar.label( *newlabel ) -- get or set text label.
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More documentation in each function.
This module uses DLOG resources 260 and on.
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Based upon STDWIN dialogs with the same names and functions.
"""
from Carbon.Dlg import GetNewDialog, SetDialogItemText, GetDialogItemText, ModalDialog
from Carbon import Qd
from Carbon import QuickDraw
from Carbon import Dialogs
from Carbon import Windows
from Carbon import Dlg,Win,Evt,Events # sdm7g
from Carbon import Ctl
from Carbon import Controls
from Carbon import Menu
import MacOS
import string
from Carbon.ControlAccessor import * # Also import Controls constants
import macfs
import macresource
_initialized = 0
def _initialize():
global _initialized
if _initialized: return
macresource.need("DLOG", 260, "dialogs.rsrc", __name__)
def cr2lf(text):
if '\r' in text:
text = string.join(string.split(text, '\r'), '\n')
return text
def lf2cr(text):
if '\n' in text:
text = string.join(string.split(text, '\n'), '\r')
if len(text) > 253:
text = text[:253] + '\311'
return text
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def Message(msg, id=260, ok=None):
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"""Display a MESSAGE string.
Return when the user clicks the OK button or presses Return.
The MESSAGE string can be at most 255 characters long.
"""
_initialize()
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d = GetNewDialog(id, -1)
if not d:
print "EasyDialogs: Can't get DLOG resource with id =", id, " (missing resource file?)"
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return
h = d.GetDialogItemAsControl(2)
SetDialogItemText(h, lf2cr(msg))
if ok != None:
h = d.GetDialogItemAsControl(1)
h.SetControlTitle(ok)
d.SetDialogDefaultItem(1)
d.AutoSizeDialog()
d.GetDialogWindow().ShowWindow()
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while 1:
n = ModalDialog(None)
if n == 1:
return
def AskString(prompt, default = "", id=261, ok=None, cancel=None):
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"""Display a PROMPT string and a text entry field with a DEFAULT string.
Return the contents of the text entry field when the user clicks the
OK button or presses Return.
Return None when the user clicks the Cancel button.
If omitted, DEFAULT is empty.
The PROMPT and DEFAULT strings, as well as the return value,
can be at most 255 characters long.
"""
_initialize()
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d = GetNewDialog(id, -1)
if not d:
print "EasyDialogs: Can't get DLOG resource with id =", id, " (missing resource file?)"
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return
h = d.GetDialogItemAsControl(3)
SetDialogItemText(h, lf2cr(prompt))
h = d.GetDialogItemAsControl(4)
SetDialogItemText(h, lf2cr(default))
d.SelectDialogItemText(4, 0, 999)
# d.SetDialogItem(4, 0, 255)
if ok != None:
h = d.GetDialogItemAsControl(1)
h.SetControlTitle(ok)
if cancel != None:
h = d.GetDialogItemAsControl(2)
h.SetControlTitle(cancel)
d.SetDialogDefaultItem(1)
d.SetDialogCancelItem(2)
d.AutoSizeDialog()
d.GetDialogWindow().ShowWindow()
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while 1:
n = ModalDialog(None)
if n == 1:
h = d.GetDialogItemAsControl(4)
return cr2lf(GetDialogItemText(h))
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if n == 2: return None
def AskPassword(prompt, default='', id=264, ok=None, cancel=None):
"""Display a PROMPT string and a text entry field with a DEFAULT string.
The string is displayed as bullets only.
Return the contents of the text entry field when the user clicks the
OK button or presses Return.
Return None when the user clicks the Cancel button.
If omitted, DEFAULT is empty.
The PROMPT and DEFAULT strings, as well as the return value,
can be at most 255 characters long.
"""
_initialize()
d = GetNewDialog(id, -1)
if not d:
print "EasyDialogs: Can't get DLOG resource with id =", id, " (missing resource file?)"
return
h = d.GetDialogItemAsControl(3)
SetDialogItemText(h, lf2cr(prompt))
pwd = d.GetDialogItemAsControl(4)
bullets = '\245'*len(default)
## SetControlData(pwd, kControlEditTextPart, kControlEditTextTextTag, bullets)
SetControlData(pwd, kControlEditTextPart, kControlEditTextPasswordTag, default)
d.SelectDialogItemText(4, 0, 999)
Ctl.SetKeyboardFocus(d.GetDialogWindow(), pwd, kControlEditTextPart)
if ok != None:
h = d.GetDialogItemAsControl(1)
h.SetControlTitle(ok)
if cancel != None:
h = d.GetDialogItemAsControl(2)
h.SetControlTitle(cancel)
d.SetDialogDefaultItem(Dialogs.ok)
d.SetDialogCancelItem(Dialogs.cancel)
d.AutoSizeDialog()
d.GetDialogWindow().ShowWindow()
while 1:
n = ModalDialog(None)
if n == 1:
h = d.GetDialogItemAsControl(4)
return cr2lf(GetControlData(pwd, kControlEditTextPart, kControlEditTextPasswordTag))
if n == 2: return None
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def AskYesNoCancel(question, default = 0, yes=None, no=None, cancel=None, id=262):
"""Display a QUESTION string which can be answered with Yes or No.
Return 1 when the user clicks the Yes button.
Return 0 when the user clicks the No button.
Return -1 when the user clicks the Cancel button.
When the user presses Return, the DEFAULT value is returned.
If omitted, this is 0 (No).
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The QUESTION string can be at most 255 characters.
"""
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_initialize()
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d = GetNewDialog(id, -1)
if not d:
print "EasyDialogs: Can't get DLOG resource with id =", id, " (missing resource file?)"
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return
# Button assignments:
# 1 = default (invisible)
# 2 = Yes
# 3 = No
# 4 = Cancel
# The question string is item 5
h = d.GetDialogItemAsControl(5)
SetDialogItemText(h, lf2cr(question))
if yes != None:
if yes == '':
d.HideDialogItem(2)
else:
h = d.GetDialogItemAsControl(2)
h.SetControlTitle(yes)
if no != None:
if no == '':
d.HideDialogItem(3)
else:
h = d.GetDialogItemAsControl(3)
h.SetControlTitle(no)
if cancel != None:
if cancel == '':
d.HideDialogItem(4)
else:
h = d.GetDialogItemAsControl(4)
h.SetControlTitle(cancel)
d.SetDialogCancelItem(4)
if default == 1:
d.SetDialogDefaultItem(2)
elif default == 0:
d.SetDialogDefaultItem(3)
elif default == -1:
d.SetDialogDefaultItem(4)
d.AutoSizeDialog()
d.GetDialogWindow().ShowWindow()
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while 1:
n = ModalDialog(None)
if n == 1: return default
if n == 2: return 1
if n == 3: return 0
if n == 4: return -1
screenbounds = Qd.GetQDGlobalsScreenBits().bounds
screenbounds = screenbounds[0]+4, screenbounds[1]+4, \
screenbounds[2]-4, screenbounds[3]-4
kControlProgressBarIndeterminateTag = 'inde' # from Controls.py
class ProgressBar:
def __init__(self, title="Working...", maxval=0, label="", id=263):
self.w = None
self.d = None
_initialize()
self.d = GetNewDialog(id, -1)
self.w = self.d.GetDialogWindow()
self.label(label)
self.title(title)
self.set(0, maxval)
self.d.AutoSizeDialog()
self.w.ShowWindow()
self.d.DrawDialog()
def __del__( self ):
if self.w:
self.w.BringToFront()
self.w.HideWindow()
del self.w
del self.d
def title(self, newstr=""):
"""title(text) - Set title of progress window"""
self.w.BringToFront()
self.w.SetWTitle(newstr)
def label( self, *newstr ):
"""label(text) - Set text in progress box"""
self.w.BringToFront()
if newstr:
self._label = lf2cr(newstr[0])
text_h = self.d.GetDialogItemAsControl(2)
SetDialogItemText(text_h, self._label)
def _update(self, value):
maxval = self.maxval
if maxval == 0: # an indeterminate bar
Ctl.IdleControls(self.w) # spin the barber pole
else: # a determinate bar
if maxval > 32767:
value = int(value/(maxval/32767.0))
maxval = 32767
progbar = self.d.GetDialogItemAsControl(3)
progbar.SetControlMaximum(maxval)
progbar.SetControlValue(value) # set the bar length
# Test for cancel button
ready, ev = Evt.WaitNextEvent( Events.mDownMask, 1 )
if ready :
what,msg,when,where,mod = ev
part = Win.FindWindow(where)[0]
if Dlg.IsDialogEvent(ev):
ds = Dlg.DialogSelect(ev)
if ds[0] and ds[1] == self.d and ds[-1] == 1:
self.w.HideWindow()
self.w = None
self.d = None
raise KeyboardInterrupt, ev
else:
if part == 4: # inDrag
self.w.DragWindow(where, screenbounds)
else:
MacOS.HandleEvent(ev)
def set(self, value, max=None):
"""set(value) - Set progress bar position"""
if max != None:
self.maxval = max
bar = self.d.GetDialogItemAsControl(3)
if max <= 0: # indeterminate bar
bar.SetControlData(0,kControlProgressBarIndeterminateTag,'\x01')
else: # determinate bar
bar.SetControlData(0,kControlProgressBarIndeterminateTag,'\x00')
if value < 0:
value = 0
elif value > self.maxval:
value = self.maxval
self.curval = value
self._update(value)
def inc(self, n=1):
"""inc(amt) - Increment progress bar position"""
self.set(self.curval + n)
ARGV_ID=265
ARGV_ITEM_OK=1
ARGV_ITEM_CANCEL=2
ARGV_OPTION_GROUP=3
ARGV_OPTION_EXPLAIN=4
ARGV_OPTION_VALUE=5
ARGV_OPTION_ADD=6
ARGV_COMMAND_GROUP=7
ARGV_COMMAND_EXPLAIN=8
ARGV_COMMAND_ADD=9
ARGV_ADD_OLDFILE=10
ARGV_ADD_NEWFILE=11
ARGV_ADD_FOLDER=12
ARGV_CMDLINE_GROUP=13
ARGV_CMDLINE_DATA=14
##def _myModalDialog(d):
## while 1:
## ready, ev = Evt.WaitNextEvent(0xffff, -1)
## print 'DBG: WNE', ready, ev
## if ready :
## what,msg,when,where,mod = ev
## part, window = Win.FindWindow(where)
## if Dlg.IsDialogEvent(ev):
## didit, dlgdone, itemdone = Dlg.DialogSelect(ev)
## print 'DBG: DialogSelect', didit, dlgdone, itemdone, d
## if didit and dlgdone == d:
## return itemdone
## elif window == d.GetDialogWindow():
## d.GetDialogWindow().SelectWindow()
## if part == 4: # inDrag
## d.DragWindow(where, screenbounds)
## else:
## MacOS.HandleEvent(ev)
## else:
## MacOS.HandleEvent(ev)
##
def _setmenu(control, items):
mhandle = control.GetControlData_Handle(Controls.kControlMenuPart,
Controls.kControlPopupButtonMenuHandleTag)
menu = Menu.as_Menu(mhandle)
for item in items:
if type(item) == type(()):
label = item[0]
else:
label = item
if label[-1] == '=' or label[-1] == ':':
label = label[:-1]
menu.AppendMenu(label)
## mhandle, mid = menu.getpopupinfo()
## control.SetControlData_Handle(Controls.kControlMenuPart,
## Controls.kControlPopupButtonMenuHandleTag, mhandle)
control.SetControlMinimum(1)
control.SetControlMaximum(len(items)+1)
def _selectoption(d, optionlist, idx):
if idx < 0 or idx >= len(optionlist):
MacOS.SysBeep()
return
option = optionlist[idx]
if type(option) == type(()):
if len(option) == 4:
help = option[2]
elif len(option) > 1:
help = option[-1]
else:
help = ''
else:
help = ''
h = d.GetDialogItemAsControl(ARGV_OPTION_EXPLAIN)
if help and len(help) > 250:
help = help[:250] + '...'
Dlg.SetDialogItemText(h, help)
hasvalue = 0
if type(option) == type(()):
label = option[0]
else:
label = option
if label[-1] == '=' or label[-1] == ':':
hasvalue = 1
h = d.GetDialogItemAsControl(ARGV_OPTION_VALUE)
Dlg.SetDialogItemText(h, '')
if hasvalue:
d.ShowDialogItem(ARGV_OPTION_VALUE)
d.SelectDialogItemText(ARGV_OPTION_VALUE, 0, 0)
else:
d.HideDialogItem(ARGV_OPTION_VALUE)
def GetArgv(optionlist=None, commandlist=None, addoldfile=1, addnewfile=1, addfolder=1, id=ARGV_ID):
_initialize()
d = GetNewDialog(id, -1)
if not d:
print "EasyDialogs: Can't get DLOG resource with id =", id, " (missing resource file?)"
return
# h = d.GetDialogItemAsControl(3)
# SetDialogItemText(h, lf2cr(prompt))
# h = d.GetDialogItemAsControl(4)
# SetDialogItemText(h, lf2cr(default))
# d.SelectDialogItemText(4, 0, 999)
# d.SetDialogItem(4, 0, 255)
if optionlist:
_setmenu(d.GetDialogItemAsControl(ARGV_OPTION_GROUP), optionlist)
_selectoption(d, optionlist, 0)
else:
d.GetDialogItemAsControl(ARGV_OPTION_GROUP).DeactivateControl()
if commandlist:
_setmenu(d.GetDialogItemAsControl(ARGV_COMMAND_GROUP), commandlist)
if type(commandlist[0]) == type(()) and len(commandlist[0]) > 1:
help = commandlist[0][-1]
h = d.GetDialogItemAsControl(ARGV_COMMAND_EXPLAIN)
Dlg.SetDialogItemText(h, help)
else:
d.GetDialogItemAsControl(ARGV_COMMAND_GROUP).DeactivateControl()
if not addoldfile:
d.GetDialogItemAsControl(ARGV_ADD_OLDFILE).DeactivateControl()
if not addnewfile:
d.GetDialogItemAsControl(ARGV_ADD_NEWFILE).DeactivateControl()
if not addfolder:
d.GetDialogItemAsControl(ARGV_ADD_FOLDER).DeactivateControl()
d.SetDialogDefaultItem(ARGV_ITEM_OK)
d.SetDialogCancelItem(ARGV_ITEM_CANCEL)
d.GetDialogWindow().ShowWindow()
d.DrawDialog()
if hasattr(MacOS, 'SchedParams'):
appsw = MacOS.SchedParams(1, 0)
try:
while 1:
stringstoadd = []
n = ModalDialog(None)
if n == ARGV_ITEM_OK:
break
elif n == ARGV_ITEM_CANCEL:
raise SystemExit
elif n == ARGV_OPTION_GROUP:
idx = d.GetDialogItemAsControl(ARGV_OPTION_GROUP).GetControlValue()-1
_selectoption(d, optionlist, idx)
elif n == ARGV_OPTION_VALUE:
pass
elif n == ARGV_OPTION_ADD:
idx = d.GetDialogItemAsControl(ARGV_OPTION_GROUP).GetControlValue()-1
if 0 <= idx < len(optionlist):
option = optionlist[idx]
if type(option) == type(()):
option = option[0]
if option[-1] == '=' or option[-1] == ':':
option = option[:-1]
h = d.GetDialogItemAsControl(ARGV_OPTION_VALUE)
value = Dlg.GetDialogItemText(h)
else:
value = ''
if len(option) == 1:
stringtoadd = '-' + option
else:
stringtoadd = '--' + option
stringstoadd = [stringtoadd]
if value:
stringstoadd.append(value)
else:
MacOS.SysBeep()
elif n == ARGV_COMMAND_GROUP:
idx = d.GetDialogItemAsControl(ARGV_COMMAND_GROUP).GetControlValue()-1
if 0 <= idx < len(commandlist) and type(commandlist[idx]) == type(()) and \
len(commandlist[idx]) > 1:
help = commandlist[idx][-1]
h = d.GetDialogItemAsControl(ARGV_COMMAND_EXPLAIN)
Dlg.SetDialogItemText(h, help)
elif n == ARGV_COMMAND_ADD:
idx = d.GetDialogItemAsControl(ARGV_COMMAND_GROUP).GetControlValue()-1
if 0 <= idx < len(commandlist):
command = commandlist[idx]
if type(command) == type(()):
command = command[0]
stringstoadd = [command]
else:
MacOS.SysBeep()
elif n == ARGV_ADD_OLDFILE:
fss, ok = macfs.StandardGetFile()
if ok:
stringstoadd = [fss.as_pathname()]
elif n == ARGV_ADD_NEWFILE:
fss, ok = macfs.StandardPutFile('')
if ok:
stringstoadd = [fss.as_pathname()]
elif n == ARGV_ADD_FOLDER:
fss, ok = macfs.GetDirectory()
if ok:
stringstoadd = [fss.as_pathname()]
elif n == ARGV_CMDLINE_DATA:
pass # Nothing to do
else:
raise RuntimeError, "Unknown dialog item %d"%n
for stringtoadd in stringstoadd:
if '"' in stringtoadd or "'" in stringtoadd or " " in stringtoadd:
stringtoadd = `stringtoadd`
h = d.GetDialogItemAsControl(ARGV_CMDLINE_DATA)
oldstr = GetDialogItemText(h)
if oldstr and oldstr[-1] != ' ':
oldstr = oldstr + ' '
oldstr = oldstr + stringtoadd
if oldstr[-1] != ' ':
oldstr = oldstr + ' '
SetDialogItemText(h, oldstr)
d.SelectDialogItemText(ARGV_CMDLINE_DATA, 0x7fff, 0x7fff)
h = d.GetDialogItemAsControl(ARGV_CMDLINE_DATA)
oldstr = GetDialogItemText(h)
tmplist = string.split(oldstr)
newlist = []
while tmplist:
item = tmplist[0]
del tmplist[0]
if item[0] == '"':
while item[-1] != '"':
if not tmplist:
raise RuntimeError, "Unterminated quoted argument"
item = item + ' ' + tmplist[0]
del tmplist[0]
item = item[1:-1]
if item[0] == "'":
while item[-1] != "'":
if not tmplist:
raise RuntimeError, "Unterminated quoted argument"
item = item + ' ' + tmplist[0]
del tmplist[0]
item = item[1:-1]
newlist.append(item)
return newlist
finally:
if hasattr(MacOS, 'SchedParams'):
apply(MacOS.SchedParams, appsw)
del d
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def test():
import time, sys
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Message("Testing EasyDialogs.")
optionlist = (('v', 'Verbose'), ('verbose', 'Verbose as long option'),
('flags=', 'Valued option'), ('f:', 'Short valued option'))
commandlist = (('start', 'Start something'), ('stop', 'Stop something'))
argv = GetArgv(optionlist=optionlist, commandlist=commandlist, addoldfile=0)
for i in range(len(argv)):
print 'arg[%d] = %s'%(i, `argv[i]`)
print 'Type return to continue - ',
sys.stdin.readline()
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ok = AskYesNoCancel("Do you want to proceed?")
ok = AskYesNoCancel("Do you want to identify?", yes="Identify", no="No")
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if ok > 0:
s = AskString("Enter your first name", "Joe")
s2 = AskPassword("Okay %s, tell us your nickname"%s, s, cancel="None")
if not s2:
Message("%s has no secret nickname"%s)
else:
Message("Hello everybody!!\nThe secret nickname of %s is %s!!!"%(s, s2))
text = ( "Working Hard...", "Hardly Working..." ,
"So far, so good!", "Keep on truckin'" )
bar = ProgressBar("Progress, progress...", 0, label="Ramping up...")
try:
if hasattr(MacOS, 'SchedParams'):
appsw = MacOS.SchedParams(1, 0)
for i in xrange(20):
bar.inc()
time.sleep(0.05)
bar.set(0,100)
for i in xrange(100):
bar.set(i)
time.sleep(0.05)
if i % 10 == 0:
bar.label(text[(i/10) % 4])
bar.label("Done.")
time.sleep(1.0) # give'em a chance to see "Done."
finally:
del bar
if hasattr(MacOS, 'SchedParams'):
apply(MacOS.SchedParams, appsw)
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if __name__ == '__main__':
try:
test()
except KeyboardInterrupt:
Message("Operation Canceled.")