Qt 5.9 | Qt Quick Dialogs | Qt Quick System Dialog Examples | ColorDialogs.qml Example File

Qt 5.9.2 Reference Documentation

# ColorDialogs.qml Example File

systemdialogs/ColorDialogs.qml

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      import QtQuick 2.2
      import QtQuick.Controls 1.2
      import QtQuick.Dialogs 1.1

      Item {
          width: 320
          height: 240
          SystemPalette { id: palette }
          clip: true

          ColorDialog {
              id: colorDialog
              visible: colorDialogVisible.checked
              modality: colorDialogModal.checked ? Qt.WindowModal : Qt.NonModal
              title: "Choose a color"
              color: "green"
              showAlphaChannel: colorDialogAlpha.checked
              onAccepted: { console.log("Accepted: " + color) }
              onRejected: { console.log("Rejected") }
          }

          Column {
              anchors.fill: parent
              anchors.margins: 12
              spacing: 8
              Label {
                  font.bold: true
                  text: "Color dialog properties:"
              }
              CheckBox {
                  id: colorDialogModal
                  text: "Modal"
                  checked: true
                  Binding on checked { value: colorDialog.modality != Qt.NonModal }
              }
              CheckBox {
                  id: colorDialogAlpha
                  text: "Show alpha channel"
                  Binding on checked { value: colorDialog.showAlphaChannel }
              }
              CheckBox {
                  id: colorDialogVisible
                  text: "Visible"
                  Binding on checked { value: colorDialog.visible }
              }
              Row {
                  id: colorRow
                  spacing: parent.spacing
                  height: colorLabel.implicitHeight * 2.0
                  Rectangle {
                      color: colorDialog.color
                      height: parent.height
                      width: height * 2
                      border.color: "black"
                      MouseArea {
                          anchors.fill: parent
                          onClicked: colorDialog.open()
                      }
                  }
                  Label {
                      id: colorLabel
                      text: "<b>current color:</b> " + colorDialog.color
                      anchors.verticalCenter: parent.verticalCenter
                  }
              }
          }

          Rectangle {
              anchors {
                  left: parent.left
                  right: parent.right
                  bottom: parent.bottom
              }
              height: buttonRow.height * 1.2
              color: Qt.darker(palette.window, 1.1)
              border.color: Qt.darker(palette.window, 1.3)
              Row {
                  id: buttonRow
                  spacing: 6
                  anchors.verticalCenter: parent.verticalCenter
                  anchors.left: parent.left
                  anchors.leftMargin: 12
                  height: implicitHeight
                  width: parent.width
                  Button {
                      text: "Open"
                      anchors.verticalCenter: parent.verticalCenter
                      onClicked: colorDialog.open()
                  }
                  Button {
                      text: "Close"
                      anchors.verticalCenter: parent.verticalCenter
                      onClicked: colorDialog.close()
                  }
                  Button {
                      text: "set to green"
                      anchors.verticalCenter: parent.verticalCenter
                      onClicked: colorDialog.color = "green"
                  }
              }
          }
      }