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support mouse wheel switching

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This commit is contained in:
Marco Martin 2012-09-26 20:09:46 +02:00
parent 23fbdc089a
commit fca4a9c68b
1 changed files with 42 additions and 20 deletions
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62
declarativeimports/plasmacomponents/qml/private/TabBarLayout.qml
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@ -55,6 +55,7 @@ Properties:
**/
import QtQuick 1.1
import org.kde.qtextracomponents 0.1
import "AppManager.js" as Utils
Item {
@ -65,43 +66,63 @@ Item {
onWidthChanged: priv.layoutChildren()
onHeightChanged: priv.layoutChildren()
Keys.onPressed: {
if (event.key == Qt.Key_Right || event.key == Qt.Key_Left) {
var oldIndex = priv.currentButtonIndex();
if (event.key == Qt.Key_Right || priv.mirrored) {
while (oldIndex < root.children.length - 1) {
++oldIndex
if (root.children[oldIndex].visible) {
priv.setCurrentButtonIndex(oldIndex)
event.accepted = true
break
}
}
priv.goNextTab()
event.accepted = true
} else if (event.key == Qt.Key_Left || priv.mirrored) {
while (oldIndex > 0) {
--oldIndex
if (root.children[oldIndex].visible) {
priv.setCurrentButtonIndex(oldIndex)
event.accepted = true
break
}
}
priv.goPreviousTab()
event.accepted = true
}
}
}
focus: true
QtObject {
MouseEventListener {
anchors.fill: parent
onWheelMoved: {
if (wheel.delta > 0) {
goNextTab()
} else {
goPreviousTab()
}
}
id: priv
property Item firstButton: root.children.length > 0 ? root.children[0] : null
property Item firstButton: root.children.length > 1 ? root.children[1] : null
property Item firstTab: firstButton ? (firstButton.tab != null ? firstButton.tab : null) : null
property Item tabGroup: firstTab ? (firstTab.parent ? firstTab.parent.parent.parent : null) : null
property Item tabGroup: firstTab ? Utils.findParent(firstTab, "currentTab") : null
property bool mirrored: root.LayoutMirroring.enabled
property Item tabBar: Utils.findParent(root, "currentTab")
onMirroredChanged: layoutChildren()
function goNextTab() {
var oldIndex = priv.currentButtonIndex();
while (oldIndex < root.children.length - 1) {
++oldIndex
if (root.children[oldIndex].visible) {
priv.setCurrentButtonIndex(oldIndex)
break
}
}
}
function goPreviousTab() {
var oldIndex = priv.currentButtonIndex();
while (oldIndex > 0) {
--oldIndex
if (root.children[oldIndex].visible) {
priv.setCurrentButtonIndex(oldIndex)
break
}
}
}
function currentButtonIndex() {
for (var i = 0; i < root.children.length; ++i) {
if (root.children[i] == priv.tabBar.currentTab)
@ -114,6 +135,7 @@ Item {
if (tabGroup) {
tabGroup.currentTab = root.children[index].tab
}
priv.tabBar.currentTab = root.children[index]
}