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341 lines
9.2 KiB
Python
341 lines
9.2 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 256, 257 and 258.
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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 MacOS
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import string
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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=256, 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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tp, h, rect = d.GetDialogItem(2)
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SetDialogItemText(h, lf2cr(msg))
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if ok != None:
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tp, h, rect = d.GetDialogItem(1)
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h.as_Control().SetControlTitle(ok)
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d.SetDialogDefaultItem(1)
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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=257, 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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tp, h, rect = d.GetDialogItem(3)
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SetDialogItemText(h, lf2cr(prompt))
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tp, h, rect = d.GetDialogItem(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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tp, h, rect = d.GetDialogItem(1)
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h.as_Control().SetControlTitle(ok)
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if cancel != None:
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tp, h, rect = d.GetDialogItem(2)
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h.as_Control().SetControlTitle(cancel)
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d.SetDialogDefaultItem(1)
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d.SetDialogCancelItem(2)
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while 1:
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n = ModalDialog(None)
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if n == 1:
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tp, h, rect = d.GetDialogItem(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=257):
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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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tp, h, rect = d.GetDialogItem(3) # STATIC TEXT ITEM <= prompt
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SetDialogItemText(h, lf2cr(prompt))
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tp, h, rect = d.GetDialogItem(4) # EDIT TEXT ITEM
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bullets = '\245'*len(default)
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SetDialogItemText(h, bullets )
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d.SelectDialogItemText(4, 999, 999)
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d.SetDialogDefaultItem(Dialogs.ok)
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d.SetDialogCancelItem(Dialogs.cancel)
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string = default
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oldschedparams = MacOS.SchedParams(0,0)
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while 1:
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ready,ev = Evt.WaitNextEvent(Events.everyEvent, 6)
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if not ready: continue
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what,msg,when,where,mod = ev
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if what == 0 : Dlg.DialogSelect(ev) # for blinking caret
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elif Dlg.IsDialogEvent(ev):
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if what in (Events.keyDown, Events.autoKey):
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charcode = msg & Events.charCodeMask
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if ( mod & Events.cmdKey ):
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MacOS.SysBeep()
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continue # don't do cut & paste commands
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else:
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if charcode == Events.kReturnCharCode:
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break
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elif charcode == Events.kEscapeCharCode:
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string = None
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break
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elif charcode in (Events.kLeftArrowCharCode,
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Events.kBackspaceCharCode):
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string = string[:-1]
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else:
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string = string + chr(charcode)
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msg = 0245 # Octal code for bullet
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ev = (what,msg,when,where,mod)
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rs, win, item = Dlg.DialogSelect(ev)
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if item == Dialogs.ok :
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break
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elif item == Dialogs.cancel :
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string = None
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break
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elif what == Events.mouseDown:
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part, win = Win.FindWindow(where)
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if part == Windows.inDrag and win:
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win.DragWindow(where, screenbounds)
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elif part == Windows.inMenuBar:
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MacOS.HandleEvent(ev)
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else:
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MacOS.SysBeep() # Cannot handle selections, unfortunately
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elif what == Events.updateEvt: MacOS.HandleEvent(ev)
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apply(MacOS.SchedParams, oldschedparams)
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return string
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def AskYesNoCancel(question, default = 0, yes=None, no=None, cancel=None, id=258):
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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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tp, h, rect = d.GetDialogItem(5)
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SetDialogItemText(h, lf2cr(question))
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if yes != None:
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tp, h, rect = d.GetDialogItem(2)
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h.as_Control().SetControlTitle(yes)
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if no != None:
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tp, h, rect = d.GetDialogItem(3)
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h.as_Control().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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tp, h, rect = d.GetDialogItem(4)
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h.as_Control().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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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=259):
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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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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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tp, text_h, rect = self.d.GetDialogItem(2)
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SetDialogItemText(text_h, self._label)
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def _update(self, value):
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self.d.BringToFront()
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tp, h, bar_rect = self.d.GetDialogItem(3)
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Qd.SetPort(self.d)
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Qd.FrameRect(bar_rect) # Draw outline
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inner_rect = Qd.InsetRect(bar_rect, 1, 1)
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l, t, r, b = inner_rect
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Qd.ForeColor(QuickDraw.blackColor)
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Qd.BackColor(QuickDraw.blackColor)
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Qd.PaintRect((l, t, int(l + (r-l)*value/self.maxval), b)) # Draw bar
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Qd.ForeColor(QuickDraw.whiteColor)
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Qd.BackColor(QuickDraw.whiteColor)
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Qd.PaintRect((int(l + (r-l)*value/self.maxval), t, r, b)) # Clear rest
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# Restore settings
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Qd.ForeColor(QuickDraw.blackColor)
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Qd.BackColor(QuickDraw.whiteColor)
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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):
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"""set(value) - Set progress bar position"""
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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="Indentify", no="Don't identify")
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if ok > 0:
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s = AskString("Enter your first name", "Joe")
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Message("Thank you,\n%s" % `s`)
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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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