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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| // | ||
| // This little app calculates the range of a car in mpg, | ||
| // "miles per gallon", based on the distance driven and | ||
| // the number of gallons of gasoline used. | ||
| // | ||
|
|
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| kAppName := "MPG:WONKO"; | ||
| kAppSymbol := '|MPG:WONKO|; | ||
| kAppLabel := "MPG"; | ||
|
|
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| // The main form can be moved around the screen | ||
| newt.theForm := { | ||
| viewBounds: { | ||
| left: 0, top: 30, right: 180, bottom: 220 | ||
| }, | ||
| _proto: protoFloatNGo, | ||
| recalculateMileage: func() | ||
| begin | ||
| local trip := wTrip.value; | ||
| local gas := wGas.value; | ||
| local mileage := 999; | ||
| if gas > 0 then | ||
| mileage := trip / gas; | ||
| SetValue( wMileage, 'value, floor( mileage) ); | ||
| end | ||
| }; | ||
|
|
||
| // Give the app a little title bar | ||
| wTitle := { | ||
| _proto: protoStaticText, | ||
| text: "MPG", | ||
| viewBounds: { | ||
| left: 61, top: 3, bottom: 22, right: 112 | ||
| }, | ||
| viewFont: ROM_fontSystem12Bold | ||
| }; | ||
| AddStepForm( newt.theForm, wTitle); | ||
| StepDeclare( newt.theForm, wTitle, 'wTitle); | ||
|
|
||
| // I want a headline, too | ||
| wHeadline := { | ||
| _proto: protoStaticText, | ||
| text: "calculate your gas milage", | ||
| viewBounds: { | ||
| left: 11, top: 22, bottom: 41, right: 163 | ||
| }, | ||
| viewFont: ROM_fontSystem10Bold | ||
| }; | ||
| AddStepForm( newt.theForm, wHeadline); | ||
| StepDeclare( newt.theForm, wHeadline, 'wHeadline); | ||
|
|
||
| // Just because we can, here is a badly drawn icon | ||
| wIcon := { | ||
| viewClass: clPictureView, | ||
| viewFlags: vVisible, | ||
| viewFormat: vfFillWhite, | ||
| viewJustify: vjCenterV + vjCenterH, | ||
| icon: MakeIconFromFile("embedded:/mpg.png"), | ||
| viewBounds: { | ||
| left: 30, top: 88, bottom: 121, right: 64 | ||
| } | ||
| }; | ||
| AddStepForm( newt.theForm, wIcon); | ||
| StepDeclare( newt.theForm, wIcon, 'wIcon); | ||
|
|
||
| // Trip distance in miles since last fill up | ||
| wTrip := { | ||
| _proto: protoNumberPicker, | ||
| preallocatedContext: 'wTrip, | ||
| value: 0, | ||
| maxValue: 9999, | ||
| minValue: 0, | ||
| viewBounds: { | ||
| left: 51, top: 50, bottom: 81, right: 140 | ||
| }, | ||
| ClickDone: func() | ||
| begin | ||
| :recalculateMileage(); | ||
| end | ||
| }; | ||
| AddStepForm( newt.theForm, wTrip); | ||
| StepDeclare( newt.theForm, wTrip, 'wTrip); | ||
|
|
||
| // Amount of gasoline needed after trip for a complete refill | ||
| wGas := { | ||
| _proto: protoNumberPicker, | ||
| value: 0, | ||
| maxValue: 999, | ||
| minValue: 0, | ||
| viewBounds: { | ||
| left: 73, top: 90, bottom: 121, right: 140 | ||
| }, | ||
| ClickDone: func() | ||
| begin | ||
| :recalculateMileage(); | ||
| end | ||
| }; | ||
| AddStepForm( newt.theForm, wGas); | ||
| StepDeclare( newt.theForm, wGas, 'wGas); | ||
|
|
||
| // Show the miles of range per gallon of gasoline used | ||
| wMileage := { | ||
| _proto: protoNumberPicker, | ||
| value: 999, | ||
| maxValue: 999, | ||
| minValue: 0, | ||
| viewBounds: { | ||
| left: 73, top: 130, bottom: 161, right: 140 | ||
| } | ||
| }; | ||
| AddStepForm( newt.theForm, wMileage); | ||
| StepDeclare( newt.theForm, wMileage, 'wMileage); | ||
|
|
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| wTripLabel := { | ||
| _proto: protoStaticText, | ||
| text: "mi", | ||
| viewBounds: { | ||
| left: 142, top: 62, bottom: 80, right: 166 | ||
| } | ||
| }; | ||
| AddStepForm( newt.theForm, wTripLabel); | ||
| StepDeclare( newt.theForm, wTripLabel, 'wTripLabel); | ||
|
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||
| wGasLabel := { | ||
| _proto: protoStaticText, | ||
| text: "gal", | ||
| viewBounds: { | ||
| left: 142, top: 101, bottom: 120, right: 166 | ||
| } | ||
| }; | ||
| AddStepForm( newt.theForm, wGasLabel); | ||
| StepDeclare( newt.theForm, wGasLabel, 'wGasLabel); | ||
|
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| wMileageLabel := { | ||
| _proto: protoStaticText, | ||
| text: "mpg", | ||
| viewBounds: { | ||
| left: 142, top: 141, bottom: 161, right: 168 | ||
| } | ||
| }; | ||
| AddStepForm( newt.theForm, wMileageLabel); | ||
| StepDeclare( newt.theForm, wMileageLabel, 'wMileageLabel); | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| <html> | ||
| <body> | ||
|
|
||
| <h1>NewtonScript Extensions</h1> | ||
|
|
||
| <h2>Globals</h2> | ||
|
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||
| <b>MakeBinaryFromString(str, sym)</b>: Generate a binary object from an ASCII string. | ||
| <br> | ||
| <b>MakeBinaryFromARM(ARM_Instructions)</b>: Generate a binary function from ARM assembler text. | ||
| Lines should be separated with \n characters. | ||
| <br> | ||
| <b>MakeBinaryFromARMFile(ARM_Assembler_Filename)</b>: | ||
| <br> | ||
| <b>PatchFileFromARM(ARM_Instructions, filename)</b>: | ||
| <br> | ||
| <b>AddStepForm(mainView, scrollClipper)</b>: | ||
| <br> | ||
| StepDeclare(mainView, scrollClipper, 'scrollClipper)</b>: | ||
| <br> | ||
| <b>_STDERR_</b>: | ||
| <br> | ||
| <b>_STDOUT_</b>: | ||
|
|
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| <h2>FLTK extensions</h2> | ||
|
|
||
| <b>fltk:message(message)</b>: Open a message dialog box. | ||
| <br> | ||
| <b>fltk:choice(message, cancel_button, ok_button, opt_button)</b>: | ||
| Open a user choice dialog box and return the selected button id. | ||
| <br> | ||
| <b>fltk:filechooser(message, pattern, filename, relative)</b>: | ||
| Open a file chooser dialog. Returns filename or NIL. | ||
| <br> | ||
|
|
||
| <h2>Host File Access extensions</h2> | ||
| <b>file:new()</b>: Create a frame to access files on the host machine. | ||
| <br> | ||
| <b>file:open(filename, mode)</b>: Open a file, mode is 'read|'write|'readwrite|'append. | ||
| <br> | ||
| <b>file:isOpen()</b>: Returns nil or true. | ||
| <br> | ||
| <b>file:size()</b>: Returns file size in bytes. | ||
| <br> | ||
| <b>file:read(size)</b>: Read up to size bytes and return a binary object with the data. | ||
| <br> | ||
| <b>file:write(binaryObject)</b>: Write the content of a binary object to a file. | ||
| <br> | ||
| <b>file:seek(pos, mode)</b>: Set read position, mode is 'set|'cur|'end. | ||
| <br> | ||
| <b>file:tell()</b>: Return the current read position in the file. | ||
| <br> | ||
| <b>file:close()</b>: Closes a file, returns exception or true. | ||
| <br> | ||
|
|
||
| </body> | ||
| </html> |
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