"{ Package: 'stx:goodies/libcairo' }"

"{ NameSpace: Cairo }"

AbstractViewer subclass:#Examples2Viewer

	instanceVariableNames:'native1 cairo1 native2 cairo2'

	classVariableNames:''

	poolDictionaries:''

	category:'Cairo-Examples'

!

!Examples2Viewer class methodsFor:'interface specs'!

previewSpec

    "This resource specification was automatically generated

     by the UIPainter of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the UIPainter may not be able to read the specification."

    "

     UIPainter new openOnClass:Cairo::Examples2Viewer andSelector:#previewSpec

     Cairo::Examples2Viewer new openInterface:#previewSpec

    "

    <resource: #canvas>

    ^ 

    #(FullSpec

       name: previewSpec

       window: 

      (WindowSpec

         label: 'Preview'

         name: 'Preview'

         min: (Point 10 10)

         bounds: (Rectangle 0 0 300 300)

       )

       component: 

      (SpecCollection

         collection: (

          (NonScrollableArbitraryComponentSpec

             name: 'Native1'

             layout: (LayoutFrame 0 0 0 0 0 0.5 0 0.5)

             component: PluggableView

             postBuildCallback: postBuildNative1:         

           )

          (NonScrollableArbitraryComponentSpec

             name: 'Cairo1'

             layout: (LayoutFrame 0 0.5 0 0 0 1 0 0.5)

                          component: PluggableView

             postBuildCallback: postBuildCairo1:         

           )

          (NonScrollableArbitraryComponentSpec

             name: 'Cairo2'

             layout: (LayoutFrame 0 0 0 0.5 0 0.5 0 1)

                          component: PluggableView

             postBuildCallback: postBuildCairo2:         

           )

          (NonScrollableArbitraryComponentSpec

             name: 'Native2'

             layout: (LayoutFrame 0 0.5 0 0.5 0 1 0 1)

                          component: PluggableView

             postBuildCallback: postBuildNative2:         

           )

          )

       )

     )

    "Modified: / 25-02-2016 / 16:49:08 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Examples2Viewer class methodsFor:'startup-web applications'!

initialPageSpec

    "this is only required for web-applications"

    ^ self shouldImplement

!

pageSpecs

    "this is only required for web-applications"

    ^ self shouldImplement

! !

!Examples2Viewer methodsFor:'change & update'!

updateAfterExampleMethodChanged

    | method |

    method := self exampleMethodHolder value.

    native1 redrawAction: [self redraw: native1 using: method ].

    native2 redrawAction: [self redraw: native2 using: method ].

    cairo1 redrawAction: [self redraw: cairo1 using: method ].

    cairo2 redrawAction: [self redraw: cairo2 using: method ].

    native1 invalidate.

    native2 invalidate.

    cairo1 invalidate.

    cairo2 invalidate.

    "Created: / 26-02-2016 / 22:53:10 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Examples2Viewer methodsFor:'drag & drop'!

dropObjects:aCollectionOfDropObjects

    "drop manager wants to drop.

     This is ony sent, if #canDrop: returned true.

     Must be redefined in order for drop to work."

    ^ self shouldImplement

! !

!Examples2Viewer methodsFor:'hooks'!

postBuildCairo1:aPluggableView

    <resource: #uiCallback>

   cairo1 := aPluggableView.

   cairo1 cairoify

    "Created: / 25-02-2016 / 16:50:01 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

postBuildCairo2:aPluggableView

    <resource: #uiCallback>

   cairo2 := aPluggableView.

   cairo2 cairoify

    "Created: / 25-02-2016 / 16:50:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

postBuildNative1:aPluggableView

    <resource: #uiCallback>

   native1 := aPluggableView

    "Created: / 25-02-2016 / 16:49:44 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

postBuildNative2:aPluggableView

    <resource: #uiCallback>

   native2 := aPluggableView

    "Created: / 25-02-2016 / 16:49:49 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Examples2Viewer methodsFor:'menu'!

menuExamples

    "superclass Cairo::AbstractViewer says that I am responsible to implement this method"

    ^ self menuExamplesFromClass: Cairo::Examples2

    "Modified: / 27-02-2016 / 08:56:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Examples2Viewer methodsFor:'private'!

redraw:view using: method

    (view == cairo1 or:[ view == cairo2 ]) ifTrue:[

        view displayLineFromX: view width - 10 y: 1 toX: view width y: 10.

    ].  

    self redraw:view using: method with: view.

    "Created: / 26-02-2016 / 21:49:26 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!Examples2Viewer methodsFor:'private - templates'!

exampleMethodParameterName

    "superclass Cairo::AbstractViewer says that I am responsible to implement this method"

    ^ 'gc'

    "Modified: / 26-02-2016 / 22:57:56 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !