diff options
Diffstat (limited to 'examples/declarative/scrollbar')
-rw-r--r-- | examples/declarative/scrollbar/ScrollBar.qml | 12 | ||||
-rw-r--r-- | examples/declarative/scrollbar/display.qml | 48 |
2 files changed, 29 insertions, 31 deletions
diff --git a/examples/declarative/scrollbar/ScrollBar.qml b/examples/declarative/scrollbar/ScrollBar.qml index 2186b35..5433156 100644 --- a/examples/declarative/scrollbar/ScrollBar.qml +++ b/examples/declarative/scrollbar/ScrollBar.qml @@ -2,6 +2,7 @@ import Qt 4.7 Item { id: scrollBar + // The properties that define the scrollbar's state. // position and pageSize are in the range 0.0 - 1.0. They are relative to the // height of the page, i.e. a pageSize of 0.5 means that you can see 50% @@ -14,18 +15,19 @@ Item { // A light, semi-transparent background Rectangle { id: background - radius: orientation == 'Vertical' ? (width/2 - 1) : (height/2 - 1) - color: "white"; opacity: 0.3 anchors.fill: parent + radius: orientation == 'Vertical' ? (width/2 - 1) : (height/2 - 1) + color: "white" + opacity: 0.3 } // Size the bar to the required size, depending upon the orientation. Rectangle { - opacity: 0.7 - color: "black" - radius: orientation == 'Vertical' ? (width/2 - 1) : (height/2 - 1) x: orientation == 'Vertical' ? 1 : (scrollBar.position * (scrollBar.width-2) + 1) y: orientation == 'Vertical' ? (scrollBar.position * (scrollBar.height-2) + 1) : 1 width: orientation == 'Vertical' ? (parent.width-2) : (scrollBar.pageSize * (scrollBar.width-2)) height: orientation == 'Vertical' ? (scrollBar.pageSize * (scrollBar.height-2)) : (parent.height-2) + radius: orientation == 'Vertical' ? (width/2 - 1) : (height/2 - 1) + color: "black" + opacity: 0.7 } } diff --git a/examples/declarative/scrollbar/display.qml b/examples/declarative/scrollbar/display.qml index 421cb7f..cb1da16 100644 --- a/examples/declarative/scrollbar/display.qml +++ b/examples/declarative/scrollbar/display.qml @@ -3,56 +3,52 @@ import Qt 4.7 Rectangle { width: 640 height: 480 + // Create a flickable to view a large image. Flickable { id: view anchors.fill: parent + contentWidth: picture.width + contentHeight: picture.height + Image { id: picture source: "pics/niagara_falls.jpg" asynchronous: true } - contentWidth: picture.width - contentHeight: picture.height + // Only show the scrollbars when the view is moving. - states: [ - State { - name: "ShowBars" - when: view.moving - PropertyChanges { target: verticalScrollBar; opacity: 1 } - PropertyChanges { target: horizontalScrollBar; opacity: 1 } - } - ] - transitions: [ - Transition { - from: "*" - to: "*" - NumberAnimation { - properties: "opacity" - duration: 400 - } - } - ] + states: State { + name: "ShowBars" + when: view.moving + PropertyChanges { target: verticalScrollBar; opacity: 1 } + PropertyChanges { target: horizontalScrollBar; opacity: 1 } + } + + transitions: Transition { + from: "*"; to: "*" + NumberAnimation { properties: "opacity"; duration: 400 } + } } + // Attach scrollbars to the right and bottom edges of the view. ScrollBar { id: verticalScrollBar + width: 12; height: view.height-12 + anchors.right: view.right opacity: 0 orientation: "Vertical" position: view.visibleArea.yPosition pageSize: view.visibleArea.heightRatio - width: 12 - height: view.height-12 - anchors.right: view.right } + ScrollBar { id: horizontalScrollBar + width: view.width-12; height: 12 + anchors.bottom: view.bottom opacity: 0 orientation: "Horizontal" position: view.visibleArea.xPosition pageSize: view.visibleArea.widthRatio - height: 12 - width: view.width-12 - anchors.bottom: view.bottom } } |