144 lines
5.5 KiB
QML
144 lines
5.5 KiB
QML
import QtQuick 2.0
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Item {
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id: root
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width: 400
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height: 300
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Row {
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id: row
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Item { id: item1
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Item { id: item1_1; visible: true }
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Item { id: item1_2; visible: true }
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}
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Item { id: item2 }
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Item { id: item3
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Item { id: item3_1; visible: false }
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Item { id: item3_2; visible: false }
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}
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Item { id: item4; visible: false
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Item { id: item4_1 // implicitly invisible
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Item { id: item4_1_1 } // implicitly invisible
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Item { id: item4_1_2 } // implicitly invisible
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}
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}
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}
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property int row_changeEventCalls: 0
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property int item1_changeEventCalls: 0
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property int item2_changeEventCalls: 0
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property int item3_changeEventCalls: 0
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property int item4_1_changeEventCalls: 0
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property int item4_1_1_changeEventCalls: 0
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Connections { target: row; onVisibleChildrenChanged: row_changeEventCalls++ }
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Connections { target: item1; onVisibleChildrenChanged: item1_changeEventCalls++ }
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Connections { target: item2; onVisibleChildrenChanged: item2_changeEventCalls++ }
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Connections { target: item3; onVisibleChildrenChanged: item3_changeEventCalls++ }
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Connections { target: item4_1; onVisibleChildrenChanged: item4_1_changeEventCalls++ }
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Connections { target: item4_1_1; onVisibleChildrenChanged: item4_1_1_changeEventCalls++ }
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// Make sure there are three visible children and no signals fired yet
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property bool test1_1: row.visibleChildren.length == 3
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property bool test1_2: row.visibleChildren[0] == item1 && row.visibleChildren[1] == item2 && row.visibleChildren[2] == item3
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property bool test1_3: row_changeEventCalls == 0
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property bool test1_4: item1_changeEventCalls == 0 && item2_changeEventCalls == 0 && item3_changeEventCalls == 0
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// Next test
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function hideFirstAndLastRowChild() {
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item1.visible = false;
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item3.visible = false;
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}
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// Make sure row is signaled twice and item1 only once, and item3 not at all, and that item2 is the visible child
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property bool test2_1: row.visibleChildren.length == 1
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property bool test2_2: row.visibleChildren[0] == item2
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property bool test2_3: row_changeEventCalls == 2
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property bool test2_4: item1_changeEventCalls == 1 && item2_changeEventCalls == 0 && item3_changeEventCalls == 0
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// Next test
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function showLastRowChildsLastChild() {
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item3_2.visible = true;
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}
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// Make sure item3_changeEventCalls is not signaled
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property bool test3_1: row.visibleChildren.length == 1
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property bool test3_2: row.visibleChildren[0] == item2
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property bool test3_3: row_changeEventCalls == 2
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property bool test3_4: item1_changeEventCalls == 1 && item2_changeEventCalls == 0 && item3_changeEventCalls == 0
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// Next test
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function showLastRowChild() {
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item3.visible = true;
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}
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// Make sure row and item3 are signaled
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property bool test4_1: row.visibleChildren.length == 2
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property bool test4_2: row.visibleChildren[0] == item2 && row.visibleChildren[1] == item3
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property bool test4_3: row_changeEventCalls == 3
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property bool test4_4: item1_changeEventCalls == 1 && item2_changeEventCalls == 0 && item3_changeEventCalls == 1
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// Next test
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function tryWriteToReadonlyVisibleChildren() {
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var foo = fooComponent.createObject(root);
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if (Qt.isQtObject(foo) && foo.children.length == 3 && foo.visibleChildren.length == 3) {
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test5_1 = true;
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}
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foo.visibleChildren.length = 10; // make sure this has no effect
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test5_1 = (foo.visibleChildren.length == 3);
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delete foo;
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}
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Component {
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id: fooComponent
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Item {
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children: [ Item {},Item {},Item {} ]
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visibleChildren: [ Item {} ]
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}
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}
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// Make sure visibleChildren.length is 3 and stays that way
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property bool test5_1: false
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// Next test
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function reparentVisibleItem3() {
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item3.parent = hiddenItem; // item3 has one visible children
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}
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Item { id: hiddenItem; visible: false }
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property bool test6_1: row.visibleChildren.length == 1 && row_changeEventCalls == 4
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property bool test6_2: item3_changeEventCalls == 2
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property bool test6_3: item3.visible == false
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// Next test
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property bool test6_4: item4_1.visible == false && item4_1_changeEventCalls == 0
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function reparentImlicitlyInvisibleItem4_1() {
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item4_1.parent = visibleItem;
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}
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Item { id: visibleItem; visible: true }
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property int visibleItem_changeEventCalls: 0
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Connections { target: visibleItem; onVisibleChildrenChanged: visibleItem_changeEventCalls++ }
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// Make sure that an item with implictly invisible children will be signaled when reparented to a visible parent
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property bool test7_1: row.visibleChildren.length == 1 && row_changeEventCalls == 4
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property bool test7_2: item4_1.visible == true
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property bool test7_3: item4_1_changeEventCalls == 1
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property bool test7_4: visibleItem_changeEventCalls == 1
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// FINALLY make sure nothing has changes while we weren't paying attention
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property bool test8_1: row.visibleChildren.length == 1 && row.visibleChildren[0] == item2 && row_changeEventCalls == 4
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property bool test8_2: item1_changeEventCalls == 1 && item1.visible == false
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property bool test8_3: item2_changeEventCalls == 0 && item2.visible == true
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property bool test8_4: item3_changeEventCalls == 2 && item3.visible == false
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property bool test8_5: item4_1_1_changeEventCalls == 0 && item4_1_1.visible == true
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}
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