Newton Developer Technical Information: Newton Programmer's Guide: 2.1 OS Addendum /

Chapter 1 - Newton Works

Summary of Newton Works

Newton Works Base Application

 newtonWorksBaseView := {

newtAppBase: view, // Newton Works base view
viewDefView: view, // current viewDef; nil if overview is current
GetNewtWorksTool: func(toolSym), // gets a specific tool
GetNewtWorksTools: func(dataTypeSym), // gets all tools for an app
RegNewtWorksTool: func(toolSym, toolFrame), // registers tool
UnregNewtWorksTool: func(toolSym), // unregisters tool
UpdateStatusBar: func(), // redraws status bar
...
 }

Newton Works Stationery DataDef

 myNewtonWorksDataDef := {

superSymbol: 'newtWorks, // required
prefs: {    // app-specific preferences info
   prefsTemplate: viewTemplate, // preferences slip
   item: string, // preferences command name for picker
   icon: frame, // bitmap frame holding icon for picker (optional)
   indent: integer, // indent for name in picker (optional)
   },
FindFn: func(entry, what, offset) ..., // searches soup entry for what
InfoBoxExtract: // called when title slip is opened
   func(target, maxSize, viewDefView) ...,
...
 }

Newton Works Stationery ViewDef

 myNewtonWorksViewDef := { // viewDef for screen (not printing)

symbol: 'default, // required
statusLeftButtons: array, // left button array
statusRightButtons: array, // right button array
helpManual: frame, // book frame identifying help book
viewHelpTopic: string, // location to open help book to
DoHelp: func(entry) ..., // called when user chooses Help command
FindChange: // called when user performs a document Find operation
   func(action, data) ...,
GetScrollableRect: func() ..., // called to get the scrollable rect
GetScrollValues: func() ..., // called to get the current scroll values
GetTotalHeight: func() ..., // called to get the total height
GetTotalWidth: func() ..., // called to get the total width
PrefsChanged: func(prefsFrame) ..., // called when global prefs change
SaveData: func(entry) ..., // called when entry is about to be saved
Scroll: func(scrollValues) ..., // called to scroll the view
ToolsChanged: // called when tool is installed or removed for app
   func(actionSym, toolSym) ...,
UpdateAllScrollers: // updates scroll bar controls
   func(view, totalHeightChanged, scrolledV, totalWidthChanged, scrolledH),
UpdateStatusBar: // called so view can update status bar button arrays
   func() ...,
...
 }

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Subtopics

Newton Works Base Application

Newton Works Stationery DataDef

Newton Works Stationery ViewDef