Differential D27481 Diff 75990 applets/panelspacer/package/contents/ui/main.qml

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applets/panelspacer/package/contents/ui/main.qml

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1​/*
2​ * Copyright 2014 Marco Martin <mart@kde.org>
3​ *
4​ * This program is free software; you can redistribute it and/or
5​ * modify it under the terms of the GNU General Public License as
6​ * published by the Free Software Foundation; either version 2 of
7​ * the License or (at your option) version 3 or any later version
8​ * accepted by the membership of KDE e.V. (or its successor approved
9​ * by the membership of KDE e.V.), which shall act as a proxy
10​ * defined in Section 14 of version 3 of the license.
11​ *
12​ * This program is distributed in the hope that it will be useful,
13​ * but WITHOUT ANY WARRANTY; without even the implied warranty of
14​ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15​ * GNU General Public License for more details.
16​ *
17​ * You chenterX have received a copy of the GNU General Public License
18​ * along with this program. If not, see <http://www.gnu.org/licenses/>
19​ */
20​
21​import QtQuick 2.0
22​import QtQuick.Layouts 1.1
23​import org.kde.plasma.core 2.0 as PlasmaCore
24​import org.kde.plasma.plasmoid 2.0
25​import org.kde.kirigami 2.10 as Kirigami
26​
27​Item {
28​ id: root
29​
30​ property bool horizontal: plasmoid.formFactor !== PlasmaCore.Types.Vertical
31​
broulikUnsubmitted
Done

Why that?

broulik: Why that?
martAuthorUnsubmitted
Done

no idea, is from the old applet and appears useless (also phab gets confused and doesn't understand the move of main.qml to a subfolder)

mart: no idea, is from the old applet and appears useless (also phab gets confused and doesn't…
32​ Layout.fillWidth: plasmoid.configuration.expanding
33​ Layout.fillHeight: plasmoid.configuration.expanding
34​
35​ Layout.minimumWidth: plasmoid.nativeInterface.containment.editMode ? units.gridUnit * 2 : 1
36​ Layout.minimumHeight: plasmoid.nativeInterface.containment.editMode ? units.gridUnit * 2 : 1
37​ Layout.preferredWidth: horizontal
38​ ? (plasmoid.configuration.expanding ? optimalSize : plasmoid.configuration.length)
39​ : 0
40​ Layout.preferredHeight: horizontal
41​ ? 0
42​ : (plasmoid.configuration.expanding ? optimalSize : plasmoid.configuration.length)
43​
44​ Plasmoid.preferredRepresentation: Plasmoid.fullRepresentation
45​
46​ property int optimalSize: units.largeSpacing
47​
48​ function action_expanding() {
49​ plasmoid.configuration.expanding = plasmoid.action("expanding").checked;
50​ }
51​
52​ // Search the actual gridLayout of the panel
53​ property GridLayout panelLayout: {
54​ var candidate = root.parent;
55​ while (candidate) {
56​ if (candidate instanceof GridLayout) {
57​ return candidate;
58​ }
59​ candidate = candidate.parent;
60​ }
61​ }
62​
63​ Component.onCompleted: {
64​ plasmoid.setAction("expanding", i18n("Set flexible size"));
65​ var action = plasmoid.action("expanding");
66​ action.checkable = true;
67​ action.checked = Qt.binding(function() {return plasmoid.configuration.expanding});
68​
69​ plasmoid.removeAction("configure");
broulikUnsubmitted
Done

Could be a Qt.binding?

broulik: Could be a `Qt.binding`?
70​ }
71​
72​ property real leftItemsSizeHint: 0
73​ property real rightItemsSizeHint: 0
74​ property real middleItemsSizeHint: {
75​ // Every time this binding gets reevaluated we want to queue a recomputation of the size hints
76​ Qt.callLater(root.updateHints)
77​ if (!twinSpacer || !panelLayout || !leftTwin || !rightTwin) {
78​ return 0;
broulikUnsubmitted
Done

Does Qt.callLater(foo) work? It also compresses subsequent calls to the same method (i.e. doesn't work with a closure)

broulik: Does `Qt.callLater(foo)` work? It also compresses subsequent calls to the same method (i.e.
martAuthorUnsubmitted
Done

yep, works

mart: yep, works
79​ }
80​
81​ var leftTwinParent = leftTwin.parent;
82​ var rightTwinParent = rightTwin.parent;
83​ if (!leftTwinParent || !rightTwinParent) {
84​ return 0;
85​ }
86​ var firstSpacerFound = false;
87​ var secondSpacerFound = false;
88​ var leftItemsHint = 0;
89​ var middleItemsHint = 0;
90​ var rightItemsHint = 0;
91​
92​ // Children order is guaranteed to be the same as the visual order of items in the layout
93​ for (var i in panelLayout.children) {
94​ var child = panelLayout.children[i];
95​ if (!child.visible) {
96​ continue;
broulikUnsubmitted
Done

Please cache panelLayout.children[i] in a variable to make the code below somewhat more readable

broulik: Please cache `panelLayout.children[i]` in a variable to make the code below somewhat more…
97​ } else if (child == leftTwinParent) {
98​ firstSpacerFound = true;
99​ } else if (child == rightTwinParent) {
100​ secondSpacerFound = true;
101​ } else if (secondSpacerFound) {
102​ if (root.horizontal) {
103​ rightItemsHint += Math.max(child.Layout.minimumWidth, child.Layout.preferredWidth) + panelLayout.rowSpacing;
104​ } else {
105​ rightItemsHint += Math.max(child.Layout.minimumHeight, child.Layout.preferredHeight) + panelLayout.columnSpacing;
106​ }
107​ } else if (firstSpacerFound) {
108​ if (root.horizontal) {
109​ middleItemsHint += Math.max(child.Layout.minimumWidth, child.Layout.preferredWidth) + panelLayout.rowSpacing;
davidedmundsonUnsubmitted
Done

If we're trying to recreate the size hint of RowLayout we need to include maximum size hints

davidedmundson: If we're trying to recreate the size hint of RowLayout we need to include maximum size hints
110​ } else {
111​ middleItemsHint += Math.max(child.Layout.minimumHeight, child.Layout.preferredHeight) + panelLayout.columnSpacing;
112​ }
113​ } else {
114​ if (root.horizontal) {
115​ leftItemsHint += Math.max(child.Layout.minimumWidth, child.Layout.preferredWidth) + panelLayout.rowSpacing;
116​ } else {
117​ leftItemsHint += Math.max(child.Layout.minimumHeight, child.Layout.preferredHeight) + panelLayout.columnSpacing;
118​ }
119​ }
120​ }
121​
122​ rightItemsSizeHint = rightItemsHint;
123​ leftItemsSizeHint = leftItemsHint;
124​ return middleItemsHint;
125​ }
126​
127​ readonly property Item twinSpacer: plasmoid.configuration.expanding && plasmoid.nativeInterface.twinSpacer && plasmoid.nativeInterface.twinSpacer.configuration.expanding ? plasmoid.nativeInterface.twinSpacer : null
128​ readonly property Item leftTwin: {
129​ if (!twinSpacer) {
130​ return null;
131​ }
132​
133​ if (root.horizontal) {
134​ return root.Kirigami.ScenePosition.x < twinSpacer.Kirigami.ScenePosition.x ? plasmoid : twinSpacer;
135​ } else {
136​ return root.Kirigami.ScenePosition.y < twinSpacer.Kirigami.ScenePosition.y ? plasmoid : twinSpacer;
137​ }
138​ }
139​ readonly property Item rightTwin: {
140​ if (!twinSpacer) {
141​ return null;
142​ }
143​
144​ if (root.horizontal) {
145​ return root.Kirigami.ScenePosition.x >= twinSpacer.Kirigami.ScenePosition.x ? plasmoid : twinSpacer;
146​ } else {
147​ return root.Kirigami.ScenePosition.y >= twinSpacer.Kirigami.ScenePosition.y ? plasmoid : twinSpacer;
148​ }
149​ }
150​
151​ function updateHints() {
152​ if (!twinSpacer || !panelLayout || !leftTwin || !rightTwin) {
153​ root.optimalSize = root.horizontal ? plasmoid.nativeInterface.containment.width : plasmoid.nativeInterface.containment.height;
154​ return;
155​ }
156​
157​ var halfContainment = root.horizontal ?plasmoid.nativeInterface.containment.width/2 : plasmoid.nativeInterface.containment.height/2;
158​
159​ if (leftTwin == plasmoid) {
160​ root.optimalSize = Math.max(units.smallSpacing, halfContainment - middleItemsSizeHint/2 - leftItemsSizeHint)
161​ } else {
162​ root.optimalSize = Math.max(units.smallSpacing, halfContainment - middleItemsSizeHint/2 - rightItemsSizeHint)
163​ }
164​ }
165​
166​
167​ Rectangle {
168​ anchors.fill: parent
169​ color: theme.highlightColor
170​ visible: plasmoid.nativeInterface.containment.editMode
171​ }
172​}