Qt Reference Documentation

Dialog.qml Example File

demos/declarative/samegame/SamegameCore/Dialog.qml
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 import Qt 4.7

 Rectangle {
     id: page

     property Item text: dialogText

     signal closed
     signal opened
     function forceClose() {
         if(page.opacity == 0)
             return; //already closed
         page.closed();
         page.opacity = 0;
     }

     function show(txt) {
         page.opened();
         dialogText.text = txt;
         page.opacity = 1;
     }

     width: dialogText.width + 20; height: dialogText.height + 20
     color: "white"
     border.width: 1
     opacity: 0
     visible: opacity > 0
     Behavior on opacity {
         NumberAnimation { duration: 1000 }
     }

     Text { id: dialogText; anchors.centerIn: parent; text: "Hello World!" }

     MouseArea { anchors.fill: parent; onClicked: forceClose(); }
 }
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