File indexing completed on 2024-05-12 05:42:52

0001 function onCompleted()
0002 {
0003         delegate[delegateProperty] = controller.value
0004         controller.valueUpdated.connect(onValueUpdatedFromBackend)
0005         if (!readOnly)
0006                 p.delegateValueChanged.connect(onValueChangedFromFrontend)
0007 }
0008 
0009 function onDestruction()
0010 {
0011         controller.valueUpdated.disconnect(onValueUpdatedFromBackend)
0012         p.delegateValueChanged.disconnect(onValueChangedFromFrontend)
0013 }
0014 
0015 function onReadOnlyChanged()
0016 {
0017         if (readOnly)
0018                 p.delegateValueChanged.disconnect(onValueChangedFromFrontend)
0019         else
0020                 p.delegateValueChanged.connect(onValueChangedFromFrontend)
0021 }
0022 
0023 function onValueUpdatedFromBackend()
0024 {
0025         // Value may get updated to a different value than requested or it may get updated by a different controller.
0026         // This may cause subsequent emission of delegateValueChanged signal, so disconnect it temporarily.
0027         if (!readOnly)
0028                 p.delegateValueChanged.disconnect(onValueChangedFromFrontend)
0029         delegate[delegateProperty] = controller.value
0030         if (!readOnly)
0031                 p.delegateValueChanged.connect(onValueChangedFromFrontend)
0032 }
0033 
0034 function onValueChangedFromFrontend()
0035 {
0036         controller.value = p.delegateValue
0037 }
0038 
0039 //(c)C: Copyright © 2022-2024, Michał Policht <michal@policht.pl>. All rights reserved.
0040 //(c)C: SPDX-License-Identifier: LGPL-3.0-or-later OR MIT
0041 //(c)C: This file is a part of CuteHMI.
0042 //(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.
0043 //(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.
0044 //(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/>.
0045 //(c)C: Additionally, this file is licensed under terms of MIT license as expressed below.
0046 //(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:
0047 //(c)C: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
0048 //(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.