[ui] ImageGallery: add SensorDBDialog + 'rebuild intrinsics' feature

* add SensorDBDialog explaining how to add a new entry in the sensor DB and ease the access to the sensor database
* enable intrinsics rebuild at user level from this dialog
* MessageDialog: react to clicks on hyperlinks

meshroom/ui/qml/Controls/MessageDialog.qml

@@ -83,17 +83,20 @@ Dialog {
             id: textLabel
             font.bold: true
             visible: text != ""
+            onLinkActivated: Qt.openUrlExternally(link)
         }
         // Detailed text
         Label {
             id: detailedLabel
             text: text
             visible: text != ""
+            onLinkActivated: Qt.openUrlExternally(link)
         }
         // Additional helper text
         Label {
             id: helperLabel
             visible: text != ""
+            onLinkActivated: Qt.openUrlExternally(link)
         }
     }
 

meshroom/ui/qml/ImageGallery/ImageGallery.qml

@@ -40,6 +40,13 @@ Panel {
                 id: graphEditorMenu
                 y: parent.height
                 x: -width + parent.width
+                MenuItem {
+                    text: "Edit Sensor Database..."
+                    onTriggered: {
+                        sensorDBDialog.open()
+                    }
+                }
+
                 Menu {
                     title: "Advanced"
                     Action {
@@ -51,6 +58,14 @@ Panel {
             }
         }
     }
+
+    SensorDBDialog {
+        id: sensorDBDialog
+        sensorDatabase: Filepath.stringToUrl(cameraInit.attribute("sensorDatabase").value)
+        readOnly: _reconstruction.computing
+        onUpdateIntrinsicsRequest: _reconstruction.rebuildIntrinsics(cameraInit)
+    }
+
     ColumnLayout {
         anchors.fill: parent
         spacing: 4

meshroom/ui/qml/ImageGallery/SensorDBDialog.qml

@@ -0,0 +1,76 @@
+import QtQuick 2.9
+import QtQuick.Controls 2.3
+import QtQuick.Layouts 1.3
+
+import MaterialIcons 2.2
+import Controls 1.0
+
+
+MessageDialog {
+    id: root
+
+    property url sensorDatabase
+    property bool readOnly: false
+
+    signal updateIntrinsicsRequest()
+
+    icon.text: MaterialIcons.camera
+    icon.font.pointSize: 10
+
+    modal: true
+    parent: Overlay.overlay
+    canCopy: false
+
+    title: "Sensor Database"
+    text: "Add missing Camera Models to the Sensor Database to improve your results."
+    detailedText: "If a warning is displayed on your images, adding your Camera Model to the Sensor Database\n"+
+                  "can help fix it and improve your reconstruction results."
+    helperText: 'To update the Sensor Database (<a href="https://github.com/alicevision/meshroom/wiki/Add-Camera-to-database">complete guide</a>):<br>' +
+                ' - Look for the "sensor width" in millimeters of your Camera Model<br>' +
+                ' - Add a new line in the Database following this pattern: Make;Model;SensorWidthInMM<br>' +
+                ' - Click on "' + rebuildIntrinsics.text + '" once the Database has been saved<br>' +
+                ' - Contribute to the <a href="https://github.com/alicevision/AliceVision/blob/develop/src/aliceVision/sensorDB/cameraSensors.db">online Database</a>'
+
+    ColumnLayout {
+        RowLayout {
+            Layout.fillWidth: true
+            spacing: 2
+
+            Label {
+                text: "Sensor Database:"
+            }
+
+            TextField {
+                id: sensorDBTextField
+                Layout.fillWidth: true
+                text: Filepath.normpath(sensorDatabase)
+                selectByMouse: true
+                readOnly: true
+            }
+            MaterialToolButton {
+                text: MaterialIcons.assignment
+                ToolTip.text: "Copy Path"
+                onClicked: {
+                    sensorDBTextField.selectAll();
+                    sensorDBTextField.copy();
+                    ToolTip.text = "Path has been copied!"
+                }
+                onHoveredChanged: if(!hovered) ToolTip.text = "Copy Path"
+            }
+            MaterialToolButton {
+                text: MaterialIcons.open_in_new
+                ToolTip.text: "Open in External Editor"
+                onClicked: Qt.openUrlExternally(sensorDatabase)
+            }
+        }
+    }
+    Button {
+        id: rebuildIntrinsics
+        text: "Update Intrinsics"
+        enabled: !readOnly
+        onClicked: updateIntrinsicsRequest()
+        Layout.alignment: Qt.AlignCenter
+    }
+    standardButtons: Dialog.Close
+    onAccepted: close()
+}