1.11. Convenience Dialogs   

Convenience Dialogs are collections of widgets that can be created by using convenience functions. This section lists the Convenience Dialogs.

BulletinBoardDialog
The BulletinBoardDialog convenience function instantiates a BulletinBoard and a DialogShell. The BulletinBoardDialog is used for interactions not supported by the standard dialog set. Necessary dialog components are added as children of the BulletinBoard.

ErrorDialog
The ErrorDialog convenience function instantiates a MessageBox and a DialogShell. The ErrorDialog is used to warn the user of an invalid or potentially dangerous condition. ErrorDialog includes a symbol and a message. Three buttons are available: "OK," "Cancel," and "Help" by default. The default ErrorDialog symbol is a hexagon with a hand inside.

FileSelectionDialog
The FileSelectionDialog convenience function instantiates a FileSelectionBox and a DialogShell. The FileSelectionDialog is used to select a file. FileSelectionDialog includes an editable text field for the directory mask, a scrolling list of filenames, and an editable text field for the selected file. Four buttons are available: "OK," "Filter," "Cancel," and "Help" by default.

FormDialog
The FormDialog convenience function instantiates a Form and a DialogShell. The FormDialog is used for interactions not supported by the standard dialog set. Necessary dialog components are added as children of the Form.

InformationDialog
The InformationDialog convenience function instantiates a MessageBox and a DialogShell. The InformationDialog is used to give information to the user, such as the status of an action. InformationDialog includes a symbol and a message. Three buttons are available: "OK," "Cancel," and "Help" by default. The default InformationDialog symbol is a square icon with an "i" in the center. 


          
Example of File Selection Box.

         
              Fig. 1.11 : Example of File Selection Box.



          
Example of Question dialog.

         
               Fig. 1.12 : Example of Question dialog.



          
Example of warning dialog.

         
                Fig. 1.13 : Example of warning dialog.
MessageDialog
The MessageDialog convenience function instantiates a MessageBox and a DialogShell. The MessageDialog is used to give information to the user. MessageDialog may include a symbol and a message. There is no symbol by default. Three buttons are available: "OK," "Cancel," and "Help" by default.

PromptDialog
The PromptDialog convenience function instantiates a SelectionBox and a DialogShell. The PromptDialog is used to prompt the user for text input. PromptDialog includes a message and a text input region. Four buttons are available: "OK," "Apply," "Cancel," and "Help" by default.

QuestionDialog
The QuestionDialog convenience function instantiates a MessageBox and a DialogShell. The Question Dialog is used to get the answer to a question from the user. QuestionDialog includes a symbol and a message. Three buttons are available: "OK," "Cancel," and "Help" by default. A "?"is the default QuestionDialog symbol.


SelectionDialog
The SelectionDialog convenience function instantiates a SelectionBox and a DialogShell. The SelectionDialog is used to get a selection from a list of alternatives. SelectionDialog includes a message, an editable text field, and a scrolling list of choices. Four buttons are available: "OK," "Apply," "Cancel," and "Help" by default.

WarningDialog
The WarningDialog convenience function instantiates a MessageBox and a DialogShell. The WarningDialog is used to warn the user of the consequences of an action, and give the user a choice of resolutions. WarningDialog includes a symbol and a message. Three buttons are available: "OK," "Cancel," and "Help" by default. A "!" is the default WarningDialog symbol.

Working Dialog
The WorkingDialog convenience function instantiates a MessageBox and a DialogShell. The WorkingDialog is used to inform the user that there is a time consuming operation in progress and give the user the ability to cancel the operation. WorkingDialog includes a symbol and a message. Three buttons are available: "OK," "Cancel," and "Help" by default. The WorkingDialog symbol is a square icon with an hourglass in the center.