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cc38688889
remains to be done, and maybe we should convert everything to movablemodal too and make things like question look nicer.
333 lines
8.9 KiB
Python
333 lines
8.9 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 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=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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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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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):
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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) # STATIC TEXT ITEM <= prompt
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SetDialogItemText(h, lf2cr(prompt))
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h = d.GetDialogItemAsControl(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=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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h = d.GetDialogItemAsControl(2)
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h.SetControlTitle(yes)
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if no != None:
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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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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.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="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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