Warning, /sdk/cutehmi/extensions/CuteHMI/GUI.1/NumberDisplay.qml is written in an unsupported language. File is not indexed.

0001 import QtQuick 2.5
0002 
0003 import CuteHMI.GUI 1.0
0004 
0005 /**
0006   Number display.
0007 
0008   Number display can be used to conveniently display numerical values with corresponding units of measurement. Number display tries
0009   to keep constant width. If that's not possible it expands to fit to its contents.
0010 
0011   ![Number display preview](doc/NumberDisplay_preview.png)
0012 
0013   Above image has been obtained with the following sample code demonstrating basic use of number display.
0014 
0015   @snippet tests/tst_NumberDisplay.qml NumberDisplay preview
0016   */
0017 Element {
0018         id: root
0019 
0020         implicitWidth: background.width - valueDisplay.overfull
0021         implicitHeight: background.height
0022 
0023         active: value === value         // NaN === NaN equals false, thus NaN value deactivates display.
0024 
0025         /**
0026           Font. Font that is used by the display. It may be desirable to set some monospace font.
0027           */
0028         property alias font: valueDisplay.font
0029 
0030         /**
0031           Left padding.
0032           */
0033         property real leftPadding: font.pixelSize * 0.25
0034 
0035         /**
0036           Right padding.
0037           */
0038         property real rightPadding: font.pixelSize * 0.25
0039 
0040         /**
0041           Top padding.
0042           */
0043         property real topPadding: font.pixelSize * 0.25
0044 
0045         /**
0046           Bottom padding.
0047           */
0048         property real bottomPadding: font.pixelSize * 0.25
0049 
0050         /**
0051           Value.
0052           */
0053         property real value: NaN
0054 
0055         /**
0056           Fractional width.
0057           */
0058         property int fractionalWidth: 1
0059 
0060         /**
0061           Integral width.
0062           */
0063         property int integralWidth: 3
0064 
0065         /**
0066           Unit of measurment.
0067           */
0068         property string unit: "°C"
0069 
0070         /**
0071           Text formatter.
0072           */
0073         property var textFormatter: function(value) { return value.toFixed(root.fractionalWidth) }
0074 
0075         Rectangle {
0076                 id: background
0077 
0078                 x: -0.5 * valueDisplay.overfull
0079                 width: contentItem.width + leftPadding + rightPadding
0080                 height: contentItem.height + topPadding + bottomPadding
0081 
0082                 radius: height / 5
0083                 color: root.color.background
0084                 border.color: root.color.stroke
0085                 border.width: units.strokeWidth
0086         }
0087 
0088         Row {
0089                 id: contentItem
0090 
0091                 x: leftPadding - 0.5 * valueDisplay.overfull
0092                 y: topPadding
0093 
0094                 spacing: root.font.pixelSize * 0.25
0095 
0096                 Text {
0097                         id: valueDisplay
0098 
0099                         width: Math.max(contentWidth, nominaLWidth)
0100 
0101                         text: textFormatter(root.value)
0102                         color: root.color.foreground
0103                         horizontalAlignment: Text.AlignRight
0104                         font.pixelSize: units.quadrat * 0.25
0105                         font.family: Theme.fonts.monospace.family
0106 
0107                         property real overfull: width - nominaLWidth
0108                         property real nominaLWidth: contentWidth / text.length * (root.fractionalWidth + root.integralWidth + 1)
0109                 }
0110 
0111                 Text {
0112                         id: unitDisplay
0113 
0114                         text: root.unit
0115                         font: root.font
0116                         color: root.color.foreground
0117                 }
0118         }
0119 }
0120 
0121 //(c)C: Copyright © 2020, Michał Policht <michal@policht.pl>. All rights reserved.
0122 //(c)C: SPDX-License-Identifier: LGPL-3.0-or-later OR MIT
0123 //(c)C: This file is a part of CuteHMI.
0124 //(c)C: CuteHMI is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
0125 //(c)C: CuteHMI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
0126 //(c)C: You should have received a copy of the GNU Lesser General Public License along with CuteHMI.  If not, see <https://www.gnu.org/licenses/>.
0127 //(c)C: Additionally, this file is licensed under terms of MIT license as expressed below.
0128 //(c)C: Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
0129 //(c)C: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
0130 //(c)C: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.