Qt 5.11 | Qt Quick | Qt Quick Examples - Window and Screen | CurrentScreen.qml Example File

Qt 5.11.3 Reference Documentation

# CurrentScreen.qml Example File

window/CurrentScreen.qml

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      import QtQuick 2.3
      import QtQuick.Window 2.10
      import "../shared" as Shared

      Item {
          id: root
          width: 400
          height: propertyGrid.implicitHeight + 16

          function orientationToString(o) {
              switch (o) {
              case Qt.PrimaryOrientation:
                  return "primary";
              case Qt.PortraitOrientation:
                  return "portrait";
              case Qt.LandscapeOrientation:
                  return "landscape";
              case Qt.InvertedPortraitOrientation:
                  return "inverted portrait";
              case Qt.InvertedLandscapeOrientation:
                  return "inverted landscape";
              }
              return "unknown";
          }

          Grid {
              id: propertyGrid
              columns: 2
              spacing: 8
              x: spacing
              y: spacing

              Shared.Label {
                  text: "Screen \"" + Screen.name + "\":"
                  font.bold: true
              }
              Item { width: 1; height: 1 } // spacer

              Shared.Label { text: "manufacturer" }
              Shared.Label { text: Screen.manufacturer ? Screen.manufacturer : "unknown" }

              Shared.Label { text: "model" }
              Shared.Label { text: Screen.model ? Screen.model : "unknown" }

              Shared.Label { text: "serial number" }
              Shared.Label { text: Screen.serialNumber ? Screen.serialNumber : "unknown" }

              Shared.Label { text: "dimensions" }
              Shared.Label { text: Screen.width + "x" + Screen.height }

              Shared.Label { text: "pixel density" }
              Shared.Label { text: Screen.pixelDensity.toFixed(2) + " dots/mm (" + (Screen.pixelDensity * 25.4).toFixed(2) + " dots/inch)" }

              Shared.Label { text: "logical pixel density" }
              Shared.Label { text: Screen.logicalPixelDensity.toFixed(2) + " dots/mm (" + (Screen.logicalPixelDensity * 25.4).toFixed(2) + " dots/inch)" }

              Shared.Label { text: "device pixel ratio" }
              Shared.Label { text: Screen.devicePixelRatio.toFixed(2) }

              Shared.Label { text: "available virtual desktop" }
              Shared.Label { text: Screen.desktopAvailableWidth + "x" + Screen.desktopAvailableHeight }

              Shared.Label { text: "position in virtual desktop" }
              Shared.Label { text: Screen.virtualX + ", " + Screen.virtualY }

              Shared.Label { text: "orientation" }
              Shared.Label { text: orientationToString(Screen.orientation) + " (" + Screen.orientation + ")" }

              Shared.Label { text: "primary orientation" }
              Shared.Label { text: orientationToString(Screen.primaryOrientation) + " (" + Screen.primaryOrientation + ")" }

              Shared.Label { text: "10mm rectangle" }
              Rectangle {
                  color: "red"
                  width: Screen.pixelDensity * 10
                  height: width
              }
          }
      }