Allow hiding all or some labels of very small slicesHEADdev

Add properties for controlling the visibility of slice labels
in slices that fall under a size limit set by the user.

Fixes: QTBUG-135929
Change-Id: I0d88b08bcf66b60f1be01156f1ae723b04507e12
Reviewed-by: Sami Varanka <[email protected]>

1 files changed, 89 insertions, 2 deletions

diff --git a/tests/manual/qmltestbed/qml/qmltestbed/PieChart.qml b/tests/manual/qmltestbed/qml/qmltestbed/PieChart.qml
index adbe8984..ecd38c7f 100644
--- a/tests/manual/qmltestbed/qml/qmltestbed/PieChart.qml
+++ b/tests/manual/qmltestbed/qml/qmltestbed/PieChart.qml
@@ -2,6 +2,8 @@
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
 import QtQuick
+import QtQuick.Controls.Basic
+import QtQuick.Layouts
 import QtGraphs
 
 Item {
@@ -9,17 +11,102 @@ Item {
 
     Text {
         id: title
-        text: "Simple Pie Graph"
+        text: "(Not So) Simple Pie Graph"
         anchors.horizontalCenter: parent.horizontalCenter
         color: "#f0f0f0"
         y: parent.height * .1
     }
 
+    RowLayout {
+        id: controls
+        anchors.top: title.bottom
+        spacing: 12
+        uniformCellSizes: true
+
+        CheckBox {
+            text: "Show minorities"
+            Layout.fillHeight: true
+
+            onCheckedChanged: {
+                if (checked) {
+                    pieSeries.append("Jaguar", 2.0)
+                    pieSeries.append("Ferrari", 1.0)
+                    pieSeries.append("Lamborghini", 0.5)
+                    pieSeries.append("Bugatti", 0.3)
+                    pieSeries.append("McLaren", 0.2)
+                    pieSeries.append("Koenigsegg", 0.1)
+                    for (let i = 6; i < 12; ++i) {
+                        pieSeries.at(i).labelVisible = true
+                        console.log("Appended: " + pieSeries.at(i).label)
+                    }
+                } else {
+                    pieSeries.removeMultiple(6, 6)
+                }
+            }
+        }
+
+        Item {
+            Layout.fillHeight: true
+            Layout.fillWidth: true
+
+            Text {
+                text: "Angle limit (" + angleslider.value + "°):"
+                color: "white"
+                anchors.verticalCenter: parent.verticalCenter
+                anchors.right: parent.right
+            }
+        }
+
+        Slider {
+            id: angleslider
+            from: 0
+            to: 20
+            stepSize: 1
+            value: 0
+            Layout.fillHeight: true
+            onValueChanged: pieSeries.angleSpanVisibleLimit = value
+        }
+
+        Item {
+            Layout.fillHeight: true
+            Layout.fillWidth: true
+
+            Text {
+                text: "Label visibility mode:"
+                color: "white"
+                anchors.verticalCenter: parent.verticalCenter
+                anchors.right: parent.right
+            }
+        }
+
+        ComboBox {
+            model: [ "None", "First", "EveryOther" ]
+            currentIndex: 1
+            Layout.fillHeight: true
+            onCurrentIndexChanged: {
+                switch (currentIndex) {
+                case 0: {
+                    pieSeries.angleSpanVisibleMode = PieSeries.VisibleMode.None
+                    break
+                }
+                case 1: {
+                    pieSeries.angleSpanVisibleMode = PieSeries.VisibleMode.First
+                    break
+                }
+                case 2: {
+                    pieSeries.angleSpanVisibleMode = PieSeries.VisibleMode.EveryOther
+                    break
+                }
+                }
+            }
+        }
+    }
+
     GraphsView {
         id: chartView
         width: parent.width
         height: parent.height
-        anchors.top: title.bottom
+        anchors.top: controls.bottom
         anchors.bottom: parent.bottom
 
         property variant otherSlice: 0