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325 lines
8.6 KiB
Python
325 lines
8.6 KiB
Python
"""Easy to use dialogs.
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Message(msg) -- display a message and an OK button.
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AskString(prompt, default) -- ask for a string, display OK and Cancel buttons.
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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.
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bar = Progress(label, maxvalue) -- Display a progress bar
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bar.set(value) -- Set value
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bar.inc( *amount ) -- increment value by amount (default=1)
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bar.label( *newlabel ) -- get or set text label.
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More documentation in each function.
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This module uses DLOG resources 260 and on.
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Based upon STDWIN dialogs with the same names and functions.
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"""
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from Dlg import GetNewDialog, SetDialogItemText, GetDialogItemText, ModalDialog
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import Qd
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import QuickDraw
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import Dialogs
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import Windows
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import Dlg,Win,Evt,Events # sdm7g
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import Ctl
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import MacOS
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import string
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from ControlAccessor import * # Also import Controls constants
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def cr2lf(text):
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if '\r' in text:
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text = string.join(string.split(text, '\r'), '\n')
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return text
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def lf2cr(text):
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if '\n' in text:
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text = string.join(string.split(text, '\n'), '\r')
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if len(text) > 253:
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text = text[:253] + '\311'
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return text
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def Message(msg, id=260, ok=None):
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"""Display a MESSAGE string.
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Return when the user clicks the OK button or presses Return.
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The MESSAGE string can be at most 255 characters long.
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"""
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d = GetNewDialog(id, -1)
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if not d:
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print "Can't get DLOG resource with id =", id
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return
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h = d.GetDialogItemAsControl(2)
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SetDialogItemText(h, lf2cr(msg))
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if ok != None:
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h = d.GetDialogItemAsControl(1)
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h.SetControlTitle(ok)
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d.SetDialogDefaultItem(1)
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d.AutoSizeDialog()
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d.ShowWindow()
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while 1:
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n = ModalDialog(None)
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if n == 1:
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return
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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.
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Return the contents of the text entry field when the user clicks the
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OK button or presses Return.
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Return None when the user clicks the Cancel button.
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If omitted, DEFAULT is empty.
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The PROMPT and DEFAULT strings, as well as the return value,
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can be at most 255 characters long.
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"""
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d = GetNewDialog(id, -1)
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if not d:
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print "Can't get DLOG resource with id =", id
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return
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h = d.GetDialogItemAsControl(3)
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SetDialogItemText(h, lf2cr(prompt))
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h = d.GetDialogItemAsControl(4)
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SetDialogItemText(h, lf2cr(default))
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d.SelectDialogItemText(4, 0, 999)
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# d.SetDialogItem(4, 0, 255)
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if ok != None:
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h = d.GetDialogItemAsControl(1)
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h.SetControlTitle(ok)
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if cancel != None:
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h = d.GetDialogItemAsControl(2)
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h.SetControlTitle(cancel)
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d.SetDialogDefaultItem(1)
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d.SetDialogCancelItem(2)
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d.AutoSizeDialog()
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d.ShowWindow()
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while 1:
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n = ModalDialog(None)
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if n == 1:
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h = d.GetDialogItemAsControl(4)
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return cr2lf(GetDialogItemText(h))
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if n == 2: return None
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def AskPassword(prompt, default='', id=264, ok=None, cancel=None):
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"""Display a PROMPT string and a text entry field with a DEFAULT string.
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The string is displayed as bullets only.
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Return the contents of the text entry field when the user clicks the
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OK button or presses Return.
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Return None when the user clicks the Cancel button.
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If omitted, DEFAULT is empty.
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The PROMPT and DEFAULT strings, as well as the return value,
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can be at most 255 characters long.
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"""
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d = GetNewDialog(id, -1)
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if not d:
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print "Can't get DLOG resource with id =", id
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return
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h = d.GetDialogItemAsControl(3)
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SetDialogItemText(h, lf2cr(prompt))
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pwd = d.GetDialogItemAsControl(4)
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bullets = '\245'*len(default)
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## SetControlData(pwd, kControlEditTextPart, kControlEditTextTextTag, bullets)
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SetControlData(pwd, kControlEditTextPart, kControlEditTextPasswordTag, default)
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d.SelectDialogItemText(4, 0, 999)
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Ctl.SetKeyboardFocus(d, pwd, kControlEditTextPart)
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if ok != None:
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h = d.GetDialogItemAsControl(1)
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h.SetControlTitle(ok)
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if cancel != None:
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h = d.GetDialogItemAsControl(2)
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h.SetControlTitle(cancel)
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d.SetDialogDefaultItem(Dialogs.ok)
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d.SetDialogCancelItem(Dialogs.cancel)
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d.AutoSizeDialog()
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d.ShowWindow()
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while 1:
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n = ModalDialog(None)
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if n == 1:
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h = d.GetDialogItemAsControl(4)
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return cr2lf(GetControlData(pwd, kControlEditTextPart, kControlEditTextPasswordTag))
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if n == 2: return None
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def AskYesNoCancel(question, default = 0, yes=None, no=None, cancel=None, id=262):
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"""Display a QUESTION string which can be answered with Yes or No.
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Return 1 when the user clicks the Yes button.
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Return 0 when the user clicks the No button.
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Return -1 when the user clicks the Cancel button.
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When the user presses Return, the DEFAULT value is returned.
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If omitted, this is 0 (No).
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The QUESTION strign ca be at most 255 characters.
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"""
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d = GetNewDialog(id, -1)
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if not d:
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print "Can't get DLOG resource with id =", id
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return
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# Button assignments:
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# 1 = default (invisible)
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# 2 = Yes
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# 3 = No
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# 4 = Cancel
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# The question string is item 5
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h = d.GetDialogItemAsControl(5)
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SetDialogItemText(h, lf2cr(question))
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if yes != None:
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if yes == '':
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d.HideDialogItem(2)
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else:
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h = d.GetDialogItemAsControl(2)
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h.SetControlTitle(yes)
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if no != None:
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if no == '':
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d.HideDialogItem(3)
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else:
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h = d.GetDialogItemAsControl(3)
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h.SetControlTitle(no)
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if cancel != None:
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if cancel == '':
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d.HideDialogItem(4)
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else:
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h = d.GetDialogItemAsControl(4)
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h.SetControlTitle(cancel)
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d.SetDialogCancelItem(4)
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if default == 1:
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d.SetDialogDefaultItem(2)
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elif default == 0:
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d.SetDialogDefaultItem(3)
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elif default == -1:
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d.SetDialogDefaultItem(4)
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d.AutoSizeDialog()
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d.ShowWindow()
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while 1:
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n = ModalDialog(None)
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if n == 1: return default
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if n == 2: return 1
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if n == 3: return 0
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if n == 4: return -1
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screenbounds = Qd.qd.screenBits.bounds
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screenbounds = screenbounds[0]+4, screenbounds[1]+4, \
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screenbounds[2]-4, screenbounds[3]-4
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class ProgressBar:
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def __init__(self, title="Working...", maxval=100, label="", id=263):
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self.maxval = maxval
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self.curval = -1
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self.d = GetNewDialog(id, -1)
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self.title(title)
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self.label(label)
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self._update(0)
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self.d.AutoSizeDialog()
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self.d.ShowWindow()
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self.d.DrawDialog()
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def __del__( self ):
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self.d.BringToFront()
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self.d.HideWindow()
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del self.d
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def title(self, newstr=""):
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"""title(text) - Set title of progress window"""
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self.d.BringToFront()
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w = self.d.GetDialogWindow()
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w.SetWTitle(newstr)
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def label( self, *newstr ):
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"""label(text) - Set text in progress box"""
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self.d.BringToFront()
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if newstr:
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self._label = lf2cr(newstr[0])
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text_h = self.d.GetDialogItemAsControl(2)
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SetDialogItemText(text_h, self._label)
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def _update(self, value):
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maxval = self.maxval
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if maxval == 0:
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# XXXX Quick fix. Should probably display an unknown duration
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value = 0
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maxval = 1
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if maxval > 32767:
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value = int(value/(maxval/32767.0))
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maxval = 32767
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progbar = self.d.GetDialogItemAsControl(3)
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progbar.SetControlMaximum(maxval)
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progbar.SetControlValue(value)
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# Test for cancel button
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ready, ev = Evt.WaitNextEvent( Events.mDownMask, 1 )
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if ready :
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what,msg,when,where,mod = ev
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part = Win.FindWindow(where)[0]
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if Dlg.IsDialogEvent(ev):
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ds = Dlg.DialogSelect(ev)
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if ds[0] and ds[1] == self.d and ds[-1] == 1:
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raise KeyboardInterrupt, ev
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else:
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if part == 4: # inDrag
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self.d.DragWindow(where, screenbounds)
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else:
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MacOS.HandleEvent(ev)
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def set(self, value, max=None):
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"""set(value) - Set progress bar position"""
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if max != None:
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self.maxval = max
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if value < 0: value = 0
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if value > self.maxval: value = self.maxval
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self.curval = value
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self._update(value)
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def inc(self, n=1):
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"""inc(amt) - Increment progress bar position"""
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self.set(self.curval + n)
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def test():
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import time
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Message("Testing EasyDialogs.")
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ok = AskYesNoCancel("Do you want to proceed?")
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ok = AskYesNoCancel("Do you want to identify?", yes="Identify", no="No")
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if ok > 0:
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s = AskString("Enter your first name", "Joe")
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s2 = AskPassword("Okay %s, tell us your nickname"%s, s, cancel="None")
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if not s2:
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Message("%s has no secret nickname"%s)
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else:
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Message("Hello everybody!!\nThe secret nickname of %s is %s!!!"%(s, s2))
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text = ( "Working Hard...", "Hardly Working..." ,
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"So far, so good!", "Keep on truckin'" )
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bar = ProgressBar("Progress, progress...", 100)
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try:
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appsw = MacOS.SchedParams(1, 0)
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for i in range(100):
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bar.set(i)
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time.sleep(0.1)
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if i % 10 == 0:
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bar.label(text[(i/10) % 4])
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bar.label("Done.")
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time.sleep(0.3) # give'em a chance to see the done.
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finally:
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del bar
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apply(MacOS.SchedParams, appsw)
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if __name__ == '__main__':
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try:
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test()
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except KeyboardInterrupt:
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Message("Operation Canceled.")
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