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| 1 | +"""Easy to use dialogs. |
| 2 | +
|
| 3 | +Message(msg) -- display a message and an OK button. |
| 4 | +AskString(prompt, default) -- ask for a string, display OK and Cancel buttons. |
| 5 | +AskYesNoCancel(question, default) -- display a question and Yes, No and Cancel buttons. |
| 6 | +
|
| 7 | +More documentation in each function. |
| 8 | +This module uses DLOG resources 256, 257 and 258. |
| 9 | +Based upon STDWIN dialogs with the same names and functions. |
| 10 | +""" |
| 11 | + |
| 12 | +from Dlg import GetNewDialog, SetIText, GetIText, ModalDialog |
| 13 | + |
| 14 | + |
| 15 | +def Message(msg): |
| 16 | + """Display a MESSAGE string. |
| 17 | + |
| 18 | + Return when the user clicks the OK button or presses Return. |
| 19 | + |
| 20 | + The MESSAGE string can be at most 255 characters long. |
| 21 | + """ |
| 22 | + |
| 23 | + id = 256 |
| 24 | + d = GetNewDialog(id, -1) |
| 25 | + if not d: |
| 26 | + print "Can't get DLOG resource with id =", id |
| 27 | + return |
| 28 | + tp, h, rect = d.GetDItem(2) |
| 29 | + SetIText(h, msg) |
| 30 | + while 1: |
| 31 | + n = ModalDialog(None) |
| 32 | + if n == 1: |
| 33 | + return |
| 34 | + |
| 35 | + |
| 36 | +def AskString(prompt, default = ""): |
| 37 | + """Display a PROMPT string and a text entry field with a DEFAULT string. |
| 38 | + |
| 39 | + Return the contents of the text entry field when the user clicks the |
| 40 | + OK button or presses Return. |
| 41 | + Return None when the user clicks the Cancel button. |
| 42 | + |
| 43 | + If omitted, DEFAULT is empty. |
| 44 | + |
| 45 | + The PROMPT and DEFAULT strings, as well as the return value, |
| 46 | + can be at most 255 characters long. |
| 47 | + """ |
| 48 | + |
| 49 | + id = 257 |
| 50 | + d = GetNewDialog(id, -1) |
| 51 | + if not d: |
| 52 | + print "Can't get DLOG resource with id =", id |
| 53 | + return |
| 54 | + tp, h, rect = d.GetDItem(3) |
| 55 | + SetIText(h, prompt) |
| 56 | + tp, h, rect = d.GetDItem(4) |
| 57 | + SetIText(h, default) |
| 58 | + d.SelIText(4, 0, 255) |
| 59 | + while 1: |
| 60 | + n = ModalDialog(None) |
| 61 | + if n == 1: |
| 62 | + tp, h, rect = d.GetDItem(4) |
| 63 | + return GetIText(h) |
| 64 | + if n == 2: return None |
| 65 | + |
| 66 | + |
| 67 | +def AskYesNoCancel(question, default = 0): |
| 68 | +## """Display a QUESTION string which can be answered with Yes or No. |
| 69 | +## |
| 70 | +## Return 1 when the user clicks the Yes button. |
| 71 | +## Return 0 when the user clicks the No button. |
| 72 | +## Return -1 when the user clicks the Cancel button. |
| 73 | +## |
| 74 | +## When the user presses Return, the DEFAULT value is returned. |
| 75 | +## If omitted, this is 0 (No). |
| 76 | +## |
| 77 | +## The QUESTION strign ca be at most 255 characters. |
| 78 | +## """ |
| 79 | + |
| 80 | + id = 258 |
| 81 | + d = GetNewDialog(id, -1) |
| 82 | + if not d: |
| 83 | + print "Can't get DLOG resource with id =", id |
| 84 | + return |
| 85 | + # Button assignments: |
| 86 | + # 1 = default (invisible) |
| 87 | + # 2 = Yes |
| 88 | + # 3 = No |
| 89 | + # 4 = Cancel |
| 90 | + # The question string is item 5 |
| 91 | + tp, h, rect = d.GetDItem(5) |
| 92 | + SetIText(h, question) |
| 93 | + while 1: |
| 94 | + n = ModalDialog(None) |
| 95 | + if n == 1: return default |
| 96 | + if n == 2: return 1 |
| 97 | + if n == 3: return 0 |
| 98 | + if n == 4: return -1 |
| 99 | + |
| 100 | + |
| 101 | +def test(): |
| 102 | + Message("Testing EasyDialogs.") |
| 103 | + ok = AskYesNoCancel("Do you want to proceed?") |
| 104 | + if ok > 0: |
| 105 | + s = AskString("Enter your first name") |
| 106 | + Message("Thank you,\015%s" % `s`) |
| 107 | + |
| 108 | + |
| 109 | +if __name__ == '__main__': |
| 110 | + test() |
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