Lomiri
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OrientedShell.qml
1/*
2 * Copyright (C) 2015 Canonical Ltd.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 3.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
17import QtQuick 2.12
18import QtQuick.Window 2.2 as QtQuickWindow
19import Lomiri.InputInfo 0.1
20import Lomiri.Session 0.1
21import WindowManager 1.0
22import Utils 0.1
23import GSettings 1.0
24import "Components"
25import "Rotation"
26// Workaround https://bugs.launchpad.net/lomiri/+source/lomiri/+bug/1473471
27import Lomiri.Components 1.3
28
29Item {
30 id: root
31
32 implicitWidth: units.gu(40)
33 implicitHeight: units.gu(71)
34
35 property alias deviceConfiguration: _deviceConfiguration
36 property alias orientations: d.orientations
37 property bool lightIndicators: false
38
39 property var screen: null
40 Connections {
41 target: screen
42 onFormFactorChanged: calculateUsageMode();
43 }
44
45 onWidthChanged: calculateUsageMode();
46 property var overrideDeviceName: Screens.count > 1 ? "desktop" : false
47
48 DeviceConfiguration {
49 id: _deviceConfiguration
50
51 // Override for convergence to set scale etc for second monitor
52 overrideName: root.overrideDeviceName
53 }
54
55 Item {
56 id: d
57
58 property Orientations orientations: Orientations {
59 id: orientations
60 // NB: native and primary orientations here don't map exactly to their QScreen counterparts
61 native_: root.width > root.height ? Qt.LandscapeOrientation : Qt.PortraitOrientation
62
63 primary: deviceConfiguration.primaryOrientation == deviceConfiguration.useNativeOrientation
64 ? native_ : deviceConfiguration.primaryOrientation
65
66 landscape: deviceConfiguration.landscapeOrientation
67 invertedLandscape: deviceConfiguration.invertedLandscapeOrientation
68 portrait: deviceConfiguration.portraitOrientation
69 invertedPortrait: deviceConfiguration.invertedPortraitOrientation
70 }
71 }
72
73 GSettings {
74 id: lomiriSettings
75 schema.id: "com.lomiri.Shell"
76 }
77
78 GSettings {
79 id: oskSettings
80 objectName: "oskSettings"
81 schema.id: "com.lomiri.keyboard.maliit"
82 }
83
84 property int physicalOrientation: QtQuickWindow.Screen.orientation
85 property bool orientationLocked: OrientationLock.enabled
86 property var orientationLock: OrientationLock
87
88 InputDeviceModel {
89 id: miceModel
90 deviceFilter: InputInfo.Mouse
91 property int oldCount: 0
92 }
93
94 InputDeviceModel {
95 id: touchPadModel
96 deviceFilter: InputInfo.TouchPad
97 property int oldCount: 0
98 }
99
100 InputDeviceModel {
101 id: keyboardsModel
102 deviceFilter: InputInfo.Keyboard
103 onDeviceAdded: forceOSKEnabled = autopilotDevicePresent();
104 onDeviceRemoved: forceOSKEnabled = autopilotDevicePresent();
105 }
106
107 InputDeviceModel {
108 id: touchScreensModel
109 deviceFilter: InputInfo.TouchScreen
110 }
111
112 Binding {
113 target: QuickUtils
114 property: "keyboardAttached"
115 value: keyboardsModel.count > 0
116 }
117
118 readonly property int pointerInputDevices: miceModel.count + touchPadModel.count
119 onPointerInputDevicesChanged: calculateUsageMode()
120
121 function calculateUsageMode() {
122 if (lomiriSettings.usageMode === undefined)
123 return; // gsettings isn't loaded yet, we'll try again in Component.onCompleted
124
125 console.log("Calculating new usage mode. Pointer devices:", pointerInputDevices, "current mode:", lomiriSettings.usageMode, "old device count", miceModel.oldCount + touchPadModel.oldCount, "root width:", root.width, "height:", root.height)
126 if (lomiriSettings.usageMode === "Windowed") {
127 if (Math.min(root.width, root.height) > units.gu(60)) {
128 if (pointerInputDevices === 0) {
129 // All pointer devices have been unplugged. Move to staged.
130 lomiriSettings.usageMode = "Staged";
131 }
132 } else {
133 // The display is not large enough, use staged.
134 lomiriSettings.usageMode = "Staged";
135 }
136 } else {
137 if (Math.min(root.width, root.height) > units.gu(60)) {
138 if (pointerInputDevices > 0 && pointerInputDevices > miceModel.oldCount + touchPadModel.oldCount) {
139 lomiriSettings.usageMode = "Windowed";
140 }
141 } else {
142 // Make sure we initialize to something sane
143 lomiriSettings.usageMode = "Staged";
144 }
145 }
146 miceModel.oldCount = miceModel.count;
147 touchPadModel.oldCount = touchPadModel.count;
148 }
149
150 /* FIXME: This exposes the NameRole as a work arround for lp:1542224.
151 * When QInputInfo exposes NameRole to QML, this should be removed.
152 */
153 property bool forceOSKEnabled: false
154 property var autopilotEmulatedDeviceNames: ["py-evdev-uinput"]
155 LomiriSortFilterProxyModel {
156 id: autopilotDevices
157 model: keyboardsModel
158 }
159
160 function autopilotDevicePresent() {
161 for(var i = 0; i < autopilotDevices.count; i++) {
162 var device = autopilotDevices.get(i);
163 if (autopilotEmulatedDeviceNames.indexOf(device.name) != -1) {
164 console.warn("Forcing the OSK to be enabled as there is an autopilot eumlated device present.")
165 return true;
166 }
167 }
168 return false;
169 }
170
171 property int orientation
172 onPhysicalOrientationChanged: {
173 if (!orientationLocked) {
174 orientation = physicalOrientation;
175 }
176 }
177 onOrientationLockedChanged: {
178 if (orientationLocked) {
179 orientationLock.savedOrientation = physicalOrientation;
180 } else {
181 orientation = physicalOrientation;
182 }
183 }
184 Component.onCompleted: {
185 if (orientationLocked) {
186 orientation = orientationLock.savedOrientation;
187 }
188
189 calculateUsageMode();
190
191 // We need to manually update this on startup as the binding
192 // below doesn't seem to have any effect at that stage
193 oskSettings.disableHeight = !shell.oskEnabled || shell.usageScenario == "desktop"
194 }
195
196 Component.onDestruction: {
197 const from_workspaces = root.screen.workspaces;
198 const from_workspaces_size = from_workspaces.count;
199 for (var i = 0; i < from_workspaces_size; i++) {
200 const from = from_workspaces.get(i);
201 WorkspaceManager.destroyWorkspace(from);
202 }
203 }
204
205 // we must rotate to a supported orientation regardless of shell's preference
206 property bool orientationChangesEnabled:
207 (shell.orientation & supportedOrientations) === 0 ? true
208 : shell.orientationChangesEnabled
209
210 Binding {
211 target: oskSettings
212 property: "disableHeight"
213 value: !shell.oskEnabled || shell.usageScenario == "desktop"
214 }
215
216 Binding {
217 target: lomiriSettings
218 property: "oskSwitchVisible"
219 value: shell.hasKeyboard
220 }
221
222 readonly property int supportedOrientations: shell.supportedOrientations
223 & (deviceConfiguration.supportedOrientations == deviceConfiguration.useNativeOrientation
224 ? orientations.native_
225 : deviceConfiguration.supportedOrientations)
226
227 // During desktop mode switches back to phone mode Qt seems to swallow
228 // supported orientations by itself, not emitting them. Cause them to be emitted
229 // using the attached property here.
230 QtQuickWindow.Screen.orientationUpdateMask: supportedOrientations
231
232 property int acceptedOrientationAngle: {
233 if (orientation & supportedOrientations) {
234 return QtQuickWindow.Screen.angleBetween(orientations.native_, orientation);
235 } else if (shell.orientation & supportedOrientations) {
236 // stay where we are
237 return shell.orientationAngle;
238 } else if (angleToOrientation(shell.mainAppWindowOrientationAngle) & supportedOrientations) {
239 return shell.mainAppWindowOrientationAngle;
240 } else {
241 // rotate to some supported orientation as we can't stay where we currently are
242 // TODO: Choose the closest to the current one
243 if (supportedOrientations & Qt.PortraitOrientation) {
244 return QtQuickWindow.Screen.angleBetween(orientations.native_, Qt.PortraitOrientation);
245 } else if (supportedOrientations & Qt.LandscapeOrientation) {
246 return QtQuickWindow.Screen.angleBetween(orientations.native_, Qt.LandscapeOrientation);
247 } else if (supportedOrientations & Qt.InvertedPortraitOrientation) {
248 return QtQuickWindow.Screen.angleBetween(orientations.native_, Qt.InvertedPortraitOrientation);
249 } else if (supportedOrientations & Qt.InvertedLandscapeOrientation) {
250 return QtQuickWindow.Screen.angleBetween(orientations.native_, Qt.InvertedLandscapeOrientation);
251 } else {
252 // if all fails, fallback to primary orientation
253 return QtQuickWindow.Screen.angleBetween(orientations.native_, orientations.primary);
254 }
255 }
256 }
257
258 function angleToOrientation(angle) {
259 switch (angle) {
260 case 0:
261 return orientations.native_;
262 case 90:
263 return orientations.native_ === Qt.PortraitOrientation ? Qt.InvertedLandscapeOrientation
264 : Qt.PortraitOrientation;
265 case 180:
266 return orientations.native_ === Qt.PortraitOrientation ? Qt.InvertedPortraitOrientation
267 : Qt.InvertedLandscapeOrientation;
268 case 270:
269 return orientations.native_ === Qt.PortraitOrientation ? Qt.LandscapeOrientation
270 : Qt.InvertedPortraitOrientation;
271 default:
272 console.warn("angleToOrientation: Invalid orientation angle: " + angle);
273 return orientations.primary;
274 }
275 }
276
277 RotationStates {
278 id: rotationStates
279 objectName: "rotationStates"
280 orientedShell: root
281 shell: shell
282 shellCover: shellCover
283 shellSnapshot: shellSnapshot
284 }
285
286 Shell {
287 id: shell
288 objectName: "shell"
289 width: root.width
290 height: root.height
291 orientation: root.angleToOrientation(orientationAngle)
292 orientations: root.orientations
293 nativeWidth: root.width
294 nativeHeight: root.height
295 mode: applicationArguments.mode
296 hasMouse: pointerInputDevices > 0
297 hasKeyboard: keyboardsModel.count > 0
298 hasTouchscreen: touchScreensModel.count > 0
299 supportsMultiColorLed: deviceConfiguration.supportsMultiColorLed
300 lightIndicators: root.lightIndicators
301 oskEnabled: (!hasKeyboard && Screens.count === 1) ||
302 lomiriSettings.alwaysShowOsk || forceOSKEnabled
303
304 // Multiscreen support: in addition to judging by the device type, go by the screen type.
305 // This allows very flexible usecases beyond the typical "connect a phone to a monitor".
306 // Status quo setups:
307 // - phone + external monitor: virtual touchpad on the device
308 // - tablet + external monitor: dual-screen desktop
309 // - desktop: Has all the bells and whistles of a fully fledged PC/laptop shell
310 usageScenario: {
311 if (lomiriSettings.usageMode === "Windowed") {
312 return "desktop";
313 } else if (deviceConfiguration.category === "phone") {
314 return "phone";
315 } else if (deviceConfiguration.category === "tablet") {
316 return "tablet";
317 } else {
318 if (screen.formFactor === Screen.Tablet) {
319 return "tablet";
320 } else if (screen.formFactor === Screen.Phone) {
321 return "phone";
322 } else {
323 return "desktop";
324 }
325 }
326 }
327
328 property real transformRotationAngle
329 property real transformOriginX
330 property real transformOriginY
331
332 transform: Rotation {
333 origin.x: shell.transformOriginX; origin.y: shell.transformOriginY; axis { x: 0; y: 0; z: 1 }
334 angle: shell.transformRotationAngle
335 }
336 }
337
338 Rectangle {
339 id: shellCover
340 color: "black"
341 anchors.fill: parent
342 visible: false
343 }
344
345 ItemSnapshot {
346 id: shellSnapshot
347 target: shell
348 visible: false
349 width: root.width
350 height: root.height
351
352 property real transformRotationAngle
353 property real transformOriginX
354 property real transformOriginY
355
356 transform: Rotation {
357 origin.x: shellSnapshot.transformOriginX; origin.y: shellSnapshot.transformOriginY;
358 axis { x: 0; y: 0; z: 1 }
359 angle: shellSnapshot.transformRotationAngle
360 }
361 }
362}