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| − | <table width="100%"> <tr><td bgcolor="#FFCFCF">This page was written by Pluto and imported with their permission when LinuxMCE branched off in February, 2007. In general any information should apply to LinuxMCE. However, this page should be edited to reflect changes to LinuxMCE and remove old references to Pluto.</td></tr> </table>[[AVWizard running steps]]
| + | [[Category: Programmer's Guide]] |
| | | | |
| − | Event handling, possible actions that user may do:
| + | AVWizard is one application that setup Video and Audio for Orbiter application. |
| − | - $default: do the same as default asks
| + | The following sections describe cleanly what AV Wizard is supposed to do and overview to aspect that you may interest to extend and use AVWizard for your need. |
| − | - $previous: close the current screen and go to the previous
| + | |
| − | - $next ['FileName']: save the current items on the selected page. FileName is used to skip some steps in the wizzard. If the wizard is in “One-Page mode” will finish the settings right here.
| + | |
| − | - $call 'scriptname': calls one system command
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| − | - $next_item: focus on next focus-able item
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| − | - $previous_item: focus on the previous focus-able item
| + | |
| − | - $refresh 'FileName': reload the description form in file FileName
| + | |
| − | - $call_event [Object.]Event: call the event of one specified control
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| − | - $set_property [Object].Property [= Value]: set a value to one item. If there is no value written, the control will get the defaults. After that, will be called the OnPaint event.
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| − | Events (on focus-able items):
| + | [[AVWizard running steps]] |
| − | - OnUp, OnDown
| + | |
| − | - OnLeft, OnRight
| + | |
| − | - OnEnter, OnCancel
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| − | - OnFocus, OnLostFocus
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| | | | |
| − | See which are [[focus events]].
| + | [[AVWizard script based user callable events]] |
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| − | Events on non focus-able items: | + | [[AVWizard's Control Events]] |
| − | - OnInit
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| − | - OnPaint
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| − | - OnClose
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| − | See [[non-focus events]].
| + | [[AVWizard's Control List]] |
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| − | Note: any focus control is too a non-focus control, because it may be init, paint or closed, as any regular control
| + | [[AVWizard Description Language]] |
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| − | Controls:
| + | [[AVWizard get/set from config]] |
| − | Page: parent control to all control, may be compared with a display
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| − | Image: a picture area
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| − | Label: control that describe a thing using some text
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| − | ListBox (focus-able): a control that store multiple values
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| − | Button (focus-able): a control that notify clicking
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| − | Progress bar: a control that shows the progress of one action
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| − | | + | |
| − | Control definition:
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| − | | + | |
| − | object ControlName: <ControlType>
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| − | [Propery = Value]
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| − | Event: [[[[action1;] action2; ] .... ;] action_n]
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| − | [object Child: <Control Type>
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| − | <Child definitions>
| + | |
| − | End]
| + | |
| − | end
| + | |
| − | | + | |
| − | Properties and methods of controls:
| + | |
| − | - Page
| + | |
| − | [[Page properties]] [[Page events]]
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| − | | + | |
| − | - Image
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| − | [[Image properties]] [[Image events]]
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| − | | + | |
| − | - Label
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| − | [[Label properties]] [[Label events]]
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| − | | + | |
| − | - ListBox
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| − | [[ListBox properties]] [[ListBox events]]
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| − | | + | |
| − | - Button
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| − | [[Button properties]] [[Button events]]
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| − | | + | |
| − | - ProgressBar
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| − | [[ProgressBar properties]] [[ProgressBar events]]
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| − | | + | |
| − | | + | |
| − | Every screen will be stored in a file with SDF extension:
| + | |
| − | SDF = Screen Definition Page.
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| − | | + | |
| − | Every event called to a child control, will be called to the parent. Events will be parsed by control and if the event is not known, there should be no suitable code, else will call the default action.
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| − | | + | |
| − | Saving informations, set up the wizard defaults.
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| − | | + | |
| − | Every ListBox and Button will be saved to the next page in a list of stored options.
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| − | Stored informations are next:
| + | |
| − | Page/Control/Option
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| − | | + | |
| − | At $next event, every control will be saved, and at the $previous command every control with current page will be removed.
| + | |
| − | | + | |
| − | Command parsing
| + | |
| − | | + | |
| − | The command parsing is a stack, which calls a command and remove the command after.
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| − | | + | |
| − | The command: $generate_event push commands in pending state.
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| − | | + | |
| − | Exceptional cases:
| + | |
| − | Following commands will destroy the stack:
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| − | $next; $previous; CurrentControl.OnClose
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| − | The next coomand destroy the screen, which clean up the all commands.
| + | |
