| 1 | title = 'Using Tk option database to configure Pmw megawidgets' |
| 2 | |
| 3 | # Import Pmw from this directory tree. |
| 4 | import sys |
| 5 | sys.path[:0] = ['../../..'] |
| 6 | |
| 7 | import Tkinter |
| 8 | import Pmw |
| 9 | |
| 10 | class Demo: |
| 11 | def __init__(self, parent): |
| 12 | self.parent = parent |
| 13 | |
| 14 | header = Tkinter.Label(parent, text = 'Select some Tk option ' + |
| 15 | 'database values from\nthe lists, then click ' + |
| 16 | '\'Create dialog\' to create\na MessageDialog with ' + |
| 17 | 'these values as defaults.') |
| 18 | header.pack(padx = 10, pady = 10) |
| 19 | |
| 20 | # Create and pack the ComboBoxes to select options. |
| 21 | buttons = ( |
| 22 | "('OK',)", |
| 23 | "('Read', 'Write')", |
| 24 | "('OK', 'Cancel')", |
| 25 | "('OK', 'Apply', 'Cancel', 'Help')", |
| 26 | ) |
| 27 | |
| 28 | if Tkinter.TkVersion >= 8.4: |
| 29 | disabledState = 'readonly' |
| 30 | else: |
| 31 | disabledState = 'disabled' |
| 32 | |
| 33 | self._buttons = Pmw.ComboBox(parent, label_text = 'buttons:', |
| 34 | labelpos = 'w', |
| 35 | entry_state = disabledState, |
| 36 | scrolledlist_items = buttons) |
| 37 | self._buttons.pack(fill = 'x', expand = 1, padx = 8, pady = 8) |
| 38 | self._buttons.selectitem(3) |
| 39 | |
| 40 | buttonboxpos = ('n', 's', 'e', 'w',) |
| 41 | self._buttonboxpos = Pmw.ComboBox(parent, label_text = 'buttonboxpos:', |
| 42 | labelpos = 'w', |
| 43 | entry_state = disabledState, |
| 44 | scrolledlist_items = buttonboxpos) |
| 45 | self._buttonboxpos.pack(fill = 'x', expand = 1, padx = 8, pady = 8) |
| 46 | self._buttonboxpos.selectitem(2) |
| 47 | |
| 48 | pad = ('0', '8', '20', '50',) |
| 49 | self._pad = Pmw.ComboBox(parent, label_text = 'padx, pady:', |
| 50 | labelpos = 'w', |
| 51 | entry_state = disabledState, |
| 52 | scrolledlist_items = pad) |
| 53 | self._pad.pack(fill = 'x', expand = 1, padx = 8, pady = 8) |
| 54 | self._pad.selectitem(1) |
| 55 | |
| 56 | Pmw.alignlabels((self._buttons, self._buttonboxpos, self._pad)) |
| 57 | |
| 58 | # Create button to launch the dialog. |
| 59 | w = Tkinter.Button(parent, text = 'Create dialog', |
| 60 | command = self._createDialog) |
| 61 | w.pack(padx = 8, pady = 8) |
| 62 | |
| 63 | self.dialog = None |
| 64 | |
| 65 | def _createDialog(self): |
| 66 | |
| 67 | # Set the option database. |
| 68 | buttons = self._buttons.get() |
| 69 | buttonboxpos = self._buttonboxpos.get() |
| 70 | pad = self._pad.get() |
| 71 | self.parent.option_add('*MessageDialog.buttons', buttons) |
| 72 | self.parent.option_add('*MessageDialog.buttonboxpos', buttonboxpos) |
| 73 | self.parent.option_add('*ButtonBox.padx', pad) |
| 74 | self.parent.option_add('*ButtonBox.pady', pad) |
| 75 | |
| 76 | # Create the dialog. |
| 77 | if self.dialog is not None: |
| 78 | self.dialog.destroy() |
| 79 | |
| 80 | text = ('This dialog was created by setting the Tk ' + |
| 81 | 'option database:\n\n *MessageDialog.buttons: ' + buttons + |
| 82 | '\n *MessageDialog.buttonboxpos: ' + buttonboxpos + |
| 83 | '\n *ButtonBox.padx: ' + pad + |
| 84 | '\n *ButtonBox.pady: ' + pad) |
| 85 | self.dialog = Pmw.MessageDialog(self.parent, |
| 86 | defaultbutton = 0, |
| 87 | title = 'Pmw option database demonstration', |
| 88 | message_justify = 'left', |
| 89 | message_text = text) |
| 90 | self.dialog.iconname('Test dialog') |
| 91 | |
| 92 | # Return the defaults to normal, otherwise all other demos |
| 93 | # will be affected. |
| 94 | self.parent.option_add('*MessageDialog.buttons', "('OK',)") |
| 95 | self.parent.option_add('*MessageDialog.buttonboxpos', 's') |
| 96 | self.parent.option_add('*ButtonBox.padx', 8) |
| 97 | self.parent.option_add('*ButtonBox.pady', 8) |
| 98 | |
| 99 | ###################################################################### |
| 100 | |
| 101 | # Create demo in root window for testing. |
| 102 | if __name__ == '__main__': |
| 103 | root = Tkinter.Tk() |
| 104 | Pmw.initialise(root, useTkOptionDb = 1) |
| 105 | root.title(title) |
| 106 | |
| 107 | exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy) |
| 108 | exitButton.pack(side = 'bottom') |
| 109 | widget = Demo(root) |
| 110 | root.mainloop() |