TextPlain, Label: implement tooltips. Transfer: advanced - use tooltips

components/Tooltip.qml

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+// Copyright (c) 2021, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import QtQuick 2.9
+import QtQuick.Controls 2.2
+import QtQuick.Layouts 1.1
+
+import FontAwesome 1.0
+import "." as MoneroComponents
+
+Rectangle {
+    property alias text: tooltip.text
+
+    color: "transparent"
+    height: icon.height
+    width: icon.width
+    visible: text != ""
+
+    Text {
+        id: icon
+        color: MoneroComponents.Style.orange
+        font.family: FontAwesome.fontFamily
+        font.pixelSize: 10
+        font.styleName: "Regular"
+        leftPadding: 5
+        rightPadding: 5
+        text: FontAwesome.questionCircle
+        opacity: mouseArea.containsMouse ? 0.7 : 1
+
+        MouseArea {
+            id: mouseArea
+            anchors.fill: parent
+            hoverEnabled: true
+            cursorShape: Qt.WhatsThisCursor
+            onEntered: popup.open()
+            onExited: popup.close()
+        }
+    }
+
+    Popup {
+        id: popup
+
+        background: Rectangle {
+            border.color: MoneroComponents.Style.buttonInlineBackgroundColor
+            border.width: 1
+            color: MoneroComponents.Style.titleBarBackgroundGradientStart
+            radius: 4
+        }
+        closePolicy: Popup.NoAutoClose
+        padding: 10
+        x: icon.x + icon.width
+        y: icon.y - height
+
+        RowLayout {
+            Text {
+                id: tooltip
+                Layout.maximumWidth: 350
+                width: contentWidth > Layout.maximumWidth ? Layout.maximumWidth : contentWidth
+                color: MoneroComponents.Style.defaultFontColor
+                font.family: MoneroComponents.Style.fontRegular.name
+                font.pixelSize: 12
+                textFormat: Text.RichText
+                wrapMode: Text.WordWrap
+            }
+        }
+    }
+}