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GtkNotebookWidget.st
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GtkNotebookWidget.st
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GtkConcreteWidget subclass: GtkNotebookWidget [
| currentWidget selectMessage notebook pages labels |
initialize [
<category: 'initialization'>
labels := OrderedCollection new.
pages := OrderedCollection new.
self mainWidget: self buildNotebookWidget
]
buildNotebookWidget [
<category: 'user interface'>
^ notebook := GTK.GtkNotebook new
connectSignal: 'switch-page'
to: self
selector: #'switchPageOn:page:number:'
userData: nil;
setShowTabs: false;
yourself
]
whenSelectionChangedSend: aSymbol to: anObject [
selectMessage := DirectedMessage receiver: anObject selector: aSymbol arguments: #()
]
addWidget: aWidget labeled: aString [
<category: 'user interface'>
self addWidget: aWidget labelWidget: (self buildLabelWidget: aString withIcon: GTK.Gtk gtkStockClose at: aWidget)
]
updateWidget: aWidget withLabel: aString [
<category: 'user interface'>
notebook setTabLabel: aWidget mainWidget tabLabel: (self buildLabelWidget: aString withIcon: GTK.Gtk gtkStockClose at: aWidget)
]
addPermanentWidget: aWidget labeled: aString [
<category: 'user interface'>
self addWidget: aWidget labelWidget: (labels add: (GTK.GtkLabel new: aString))
]
addWidget: aWidget labelWidget: aLabelWidget [
<category: 'user interface'>
currentWidget ifNil: [ currentWidget := aWidget ].
pages addLast: aWidget.
notebook
appendPage: aWidget mainWidget tabLabel: aLabelWidget.
pages size > 1 ifTrue: [ notebook setShowTabs: true ]
]
buildLabelWidget: aString withIcon: aStockString at: aSmallInteger [
<category: 'user interface'>
| image close |
image := GTK.GtkImage newFromStock: aStockString size: GTK.Gtk gtkIconSizeMenu.
close := (GTK.GtkButton new)
setImage: image;
setRelief: GTK.Gtk gtkReliefNone;
connectSignal: 'pressed' to: self selector: #'closeIt:at:' userData: aSmallInteger;
yourself.
^ (GTK.GtkHBox new: false spacing: 0)
add: (labels add: (GTK.GtkLabel new: aString));
add: close;
showAll;
yourself
]
switchPageOn: aGtkNotebook page: aGtkNotebookPage number: anInteger [
<category: 'notebook events'>
currentWidget := pages at: anInteger + 1.
selectMessage ifNotNil: [ selectMessage send ]
]
closeIt: aGtkButton at: aGtkConcreteWidget [
<category: 'notebook events'>
| pageNb |
pageNb := notebook pageNum: aGtkConcreteWidget mainWidget.
aGtkConcreteWidget close.
pages removeAtIndex: pageNb + 1.
labels removeAtIndex: pageNb + 1.
notebook removePage: pageNb.
pages size = 1 ifTrue: [ notebook setShowTabs: false ]
]
widgetAt: anInteger [
<category: 'accessing'>
^ pages at: anInteger
]
currentWidget [
<category: 'accessing'>
^ currentWidget
]
focusedWidget [
<category: 'accessing'>
^ currentWidget focusedWidget
]
currentPage [
<category: 'pages'>
^ notebook getCurrentPage
]
currentPage: aSmallInteger [
<category: 'pages'>
notebook setCurrentPage: aSmallInteger
]
showLastPage [
<category: 'pages'>
self currentPage: self numberOfPages - 1
]
numberOfPages [
<category: 'pages'>
^ notebook getNPages
]
closeCurrentPage [
<category: 'pages'>
self numberOfPages = 1 ifTrue: [ ^ self ].
pages removeAtIndex: self currentPage + 1.
labels removeAtIndex: self currentPage + 1.
notebook removePage: self currentPage.
pages size = 1 ifTrue: [ notebook setShowTabs: false ]
]
showPane [
<category: 'widget'>
notebook showAll.
pages do: [ :each | each postInitialize ]
]
]