Qt Reference Documentation

HomeTitleBar.qml Example File

demos/declarative/twitter/TwitterCore/HomeTitleBar.qml
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 import Qt 4.7

 Item {
     id: titleBar

     signal update()
     onYChanged: state="" //When switching titlebars

     BorderImage { source: "images/titlebar.sci"; width: parent.width; height: parent.height + 14; y: -7 }
     Item {
         id: container
         width: (parent.width * 2) - 55 ; height: parent.height

         function accept() {
             if(rssModel.authName == '' || rssModel.authPass == '')
                 return false;//Can't login like that

             var postData = "status=" + editor.text;
             var postman = new XMLHttpRequest();
             postman.open("POST", "http://twitter.com/statuses/update.xml", true, rssModel.authName,  rssModel.authPass);
             postman.onreadystatechange = function() {
                 if (postman.readyState == postman.DONE) {
                     titleBar.update();
                 }
             }
             postman.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
             postman.send(postData);

             editor.text = ""
             titleBar.state = ""
         }

         Rectangle {
             x: 6; width: 50; height: 50; color: "white"; smooth: true
             anchors.verticalCenter: parent.verticalCenter

             UserModel { user: rssModel.authName; id: userModel }
             Component { id: imgDelegate;
                 Item {
                     Loading { width:48; height:48; visible: realImage.status != Image.Ready }
                     Image { source: image; width:48; height:48; id: realImage }
                 }
             }
             ListView { model: userModel.model; x:1; y:1; delegate: imgDelegate }
         }

         Text {
             id: categoryText
             anchors.left: parent.left; anchors.right: tagButton.left
             anchors.leftMargin: 58; anchors.rightMargin: 10
             anchors.verticalCenter: parent.verticalCenter
             elide: Text.ElideLeft
             text: "Timeline for " + rssModel.authName
             font.pixelSize: 12; font.bold: true; color: "white"; style: Text.Raised; styleColor: "black"
         }

         Button {
             id: tagButton; x: titleBar.width - 90; width: 85; height: 32; text: "New Post..."
             anchors.verticalCenter: parent.verticalCenter;
             onClicked: if (titleBar.state == "Posting") container.accept(); else titleBar.state = "Posting"
         }

         Text {
             id: charsLeftText; anchors.horizontalCenter: tagButton.horizontalCenter;
             anchors.top: tagButton.bottom; anchors.topMargin: 2
             text: {140 - editor.text.length;} visible: titleBar.state == "Posting"
             font.pointSize: 10; font.bold: true; color: "white"; style: Text.Raised; styleColor: "black"
         }
         Item {
             id: txtEdit;
             anchors.left: tagButton.right; anchors.leftMargin: 5; y: 4
             anchors.right: parent.right; anchors.rightMargin: 40; height: parent.height - 9
             BorderImage { source: "images/lineedit.sci"; anchors.fill: parent }

             Binding {//TODO: Can this be a function, which also resets the cursor? And flashes?
                 when: editor.text.length > 140
                 target: editor
                 property: "text"
                 value: editor.text.slice(0,140)
             }
             TextEdit {
                 id: editor
                 anchors.left: parent.left;
                 anchors.leftMargin: 8;
                 anchors.bottom: parent.bottom
                 anchors.bottomMargin: 4;
                 cursorVisible: true; font.bold: true
                 width: parent.width - 12
                 height: parent.height - 8
                 font.pixelSize: 12
                 wrapMode: TextEdit.Wrap
                 color: "#151515"; selectionColor: "green"
             }
             Keys.forwardTo: [(returnKey), (editor)]
             Item {
                 id: returnKey
                 Keys.onReturnPressed: container.accept()
                 Keys.onEnterPressed: container.accept()
                 Keys.onEscapePressed: titleBar.state = ""
             }
         }
     }
     states: [
         State {
             name: "Posting"
             PropertyChanges { target: container; x: -tagButton.x + 5 }
             PropertyChanges { target: titleBar; height: 80 }
             PropertyChanges { target: tagButton; text: "OK" }
             PropertyChanges { target: tagButton; width: 28 }
             PropertyChanges { target: tagButton; height: 24 }
             PropertyChanges { target: editor; focus: true }
         }
     ]
     transitions: [
         Transition {
             from: "*"; to: "*"
             NumberAnimation { properties: "x,y,width,height"; easing.type: Easing.InOutQuad }
         }
     ]
 }
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