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import Qt 4.6
Flickable {
property alias title: webView.title
property alias progress: webView.progress
property alias url: webView.url
property alias back: webView.back
property alias reload: webView.reload
property alias forward: webView.forward
id: flickable
width: parent.width
viewportWidth: Math.max(parent.width,webView.width*webView.scale)
viewportHeight: Math.max(parent.height,webView.height*webView.scale)
anchors.top: headerSpace.bottom
anchors.bottom: footer.top
anchors.left: parent.left
anchors.right: parent.right
pressDelay: 200
WebView {
id: webView
pixelCacheSize: 4000000
Script {
function fixUrl(url)
{
if (url == "") return url
if (url[0] == "/") return "file://"+url
if (url.indexOf(":")<0) {
if (url.indexOf(".")<0 || url.indexOf(" ")>=0) {
// Fall back to a search engine; hard-code Wikipedia
return "http://en.wikipedia.org/w/index.php?search="+url
} else {
return "http://"+url
}
}
return url
}
}
url: fixUrl(webBrowser.urlString)
smooth: false // We don't want smooth scaling, since we only scale during (fast) transitions
smoothCache: true // We do want smooth rendering
fillColor: "white"
focus: true
zoomFactor: 4
onAlert: console.log(message)
function doZoom(zoom,centerX,centerY)
{
if (centerX) {
var sc = zoom/contentsScale;
scaleAnim.to = sc;
flickVX.from = flickable.viewportX
flickVX.to = Math.max(0,Math.min(centerX-flickable.width/2,webView.width*sc-flickable.width))
finalX.value = flickVX.to
flickVY.from = flickable.viewportY
flickVY.to = Math.max(0,Math.min(centerY-flickable.height/2,webView.height*sc-flickable.height))
finalY.value = flickVY.to
finalZoom.value = zoom
quickZoom.start()
}
}
Keys.onLeftPressed: webView.contentsScale -= 0.1
Keys.onRightPressed: webView.contentsScale += 0.1
preferredWidth: flickable.width*zoomFactor
preferredHeight: flickable.height*zoomFactor
contentsScale: 1/zoomFactor
onContentsSizeChanged: {
// zoom out
contentsScale = Math.min(0.25,flickable.width / contentsSize.width)
}
onUrlChanged: {
// got to topleft
flickable.viewportX = 0
flickable.viewportY = 0
if (url != null) { header.editUrl = url.toString(); }
}
onDoubleClick: {
if (!heuristicZoom(clickX,clickY,2.5)) {
var zf = flickable.width / contentsSize.width
if (zf >= contentsScale)
zf = 2.0/zoomFactor // zoom in (else zooming out)
doZoom(zf,clickX*zf,clickY*zf)
}
}
SequentialAnimation {
id: quickZoom
PropertyAction {
target: webView
property: "renderingEnabled"
value: false
}
ParallelAnimation {
NumberAnimation {
id: scaleAnim
target: webView
property: "scale"
from: 1
to: 0 // set before calling
easing: "easeLinear"
duration: 200
}
NumberAnimation {
id: flickVX
target: flickable
property: "viewportX"
easing: "easeLinear"
duration: 200
from: 0 // set before calling
to: 0 // set before calling
}
NumberAnimation {
id: flickVY
target: flickable
property: "viewportY"
easing: "easeLinear"
duration: 200
from: 0 // set before calling
to: 0 // set before calling
}
}
PropertyAction {
id: finalZoom
target: webView
property: "contentsScale"
}
PropertyAction {
target: webView
property: "scale"
value: 1.0
}
// Have to set the viewportXY, since the above 2
// size changes may have started a correction if
// contentsScale < 1.0.
PropertyAction {
id: finalX
target: flickable
property: "viewportX"
value: 0 // set before calling
}
PropertyAction {
id: finalY
target: flickable
property: "viewportY"
value: 0 // set before calling
}
PropertyAction {
target: webView
property: "renderingEnabled"
value: true
}
}
onZoomTo: doZoom(zoom,centerX,centerY)
}
}
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