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44 import "ButtonGroup.js" as Private
45 import "UIConstants.js" as UI
50 property bool exclusive: true
51 property Item checkedButton
53 property Component platformStyle: null
54 property Component style: null
56 property int __screenWidth: (screen.rotation === 0 || screen.rotation === 180 ? screen.displayWidth : screen.displayHeight) - 2 * UI.MARGIN_XLARGE
57 property int __visibleButtons
58 property bool __expanding: true // Layout hint used but ToolBarLayout
59 property int __maxButtonSize: UI.BUTTON_WIDTH
61 width: Math.min(__visibleButtons * UI.BUTTON_WIDTH, __screenWidth)
62 Component.onCompleted: {
63 Private.create(root, {
64 "orientation": Qt.Horizontal,
65 "exclusive": exclusive,
66 "styleComponent": platformStyle? platformStyle : style,
68 "firstPos": "horizontal-left",
69 "middlePos": "horizontal-center",
70 "lastPos": "horizontal-right",
71 "resizeChildren": function(self) {
72 self.__visibleButtons = Private.visibleButtons;
73 var extraPixels = self.width % Private.visibleButtons;
74 var buttonSize = Math.min(__maxButtonSize, (self.width - extraPixels) / Private.visibleButtons);
75 Private.buttons.forEach(function(item, i) {
76 if (!item || !item.visible || !Private.isButton(item))
78 if (extraPixels > 0) {
79 item.width = buttonSize + 1;
82 item.width = buttonSize;
87 screen.currentOrientationChanged.connect(Private.updateButtons);
90 Component.onDestruction: {
91 screen.currentOrientationChanged.disconnect(Private.updateButtons);