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gnome-shell-extensions/0001-heads-up-display-Add-extension-for-showing-persisten.patch
Florian Müllner 707bbed079 Add classification-banner 
Resolves: #2031186
2021-12-14 15:42:43 +01:00

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From 8beb3b27486fd50f74c15d2cf9ed8ca22fb546c2 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Tue, 24 Aug 2021 15:03:57 -0400
Subject: [PATCH] heads-up-display: Add extension for showing persistent heads
up display message
---
extensions/heads-up-display/extension.js | 436 ++++++++++++++++++
extensions/heads-up-display/headsUpMessage.js | 170 +++++++
extensions/heads-up-display/meson.build | 8 +
extensions/heads-up-display/metadata.json.in | 11 +
...ll.extensions.heads-up-display.gschema.xml | 54 +++
extensions/heads-up-display/prefs.js | 194 ++++++++
extensions/heads-up-display/stylesheet.css | 32 ++
meson.build | 1 +
8 files changed, 906 insertions(+)
create mode 100644 extensions/heads-up-display/extension.js
create mode 100644 extensions/heads-up-display/headsUpMessage.js
create mode 100644 extensions/heads-up-display/meson.build
create mode 100644 extensions/heads-up-display/metadata.json.in
create mode 100644 extensions/heads-up-display/org.gnome.shell.extensions.heads-up-display.gschema.xml
create mode 100644 extensions/heads-up-display/prefs.js
create mode 100644 extensions/heads-up-display/stylesheet.css
diff --git a/extensions/heads-up-display/extension.js b/extensions/heads-up-display/extension.js
new file mode 100644
index 00000000..7cebfa99
--- /dev/null
+++ b/extensions/heads-up-display/extension.js
@@ -0,0 +1,436 @@
+/* exported init enable disable */
+
+const Signals = imports.signals;
+
+const {
+ Atk, Clutter, Gio, GLib, GObject, Gtk, Meta, Shell, St,
+} = imports.gi;
+
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+const Main = imports.ui.main;
+const Layout = imports.ui.layout;
+const HeadsUpMessage = Me.imports.headsUpMessage;
+
+const _ = ExtensionUtils.gettext;
+
+var HeadsUpConstraint = GObject.registerClass({
+ Properties: {
+ 'offset': GObject.ParamSpec.int('offset',
+ 'Offset', 'offset',
+ GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
+ -1, 0, -1),
+ 'active': GObject.ParamSpec.boolean('active',
+ 'Active', 'active',
+ GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
+ true),
+ },
+}, class HeadsUpConstraint extends Layout.MonitorConstraint {
+ _init(props) {
+ super._init(props);
+ this._offset = 0;
+ this._active = true;
+ }
+
+ get offset() {
+ return this._offset;
+ }
+
+ set offset(o) {
+ this._offset = o
+ }
+
+ get active() {
+ return this._active;
+ }
+
+ set active(a) {
+ this._active = a;
+ }
+
+ vfunc_update_allocation(actor, actorBox) {
+ if (!Main.layoutManager.primaryMonitor)
+ return;
+
+ if (!this.active)
+ return;
+
+ if (actor.has_allocation())
+ return;
+
+ const workArea = Main.layoutManager.getWorkAreaForMonitor(Main.layoutManager.primaryIndex);
+ actorBox.init_rect(workArea.x, workArea.y + this.offset, workArea.width, workArea.height - this.offset);
+ }
+});
+
+class Extension {
+ constructor() {
+ ExtensionUtils.initTranslations();
+ }
+
+ enable() {
+ this._settings = ExtensionUtils.getSettings('org.gnome.shell.extensions.heads-up-display');
+ this._settingsChangedId = this._settings.connect('changed', this._updateMessage.bind(this));
+
+ this._idleMonitor = Meta.IdleMonitor.get_core();
+ this._messageInhibitedUntilIdle = false;
+ this._oldMapWindow = Main.wm._mapWindow;
+ Main.wm._mapWindow = this._mapWindow;
+ this._windowManagerMapId = global.window_manager.connect('map', this._onWindowMap.bind(this));
+
+ if (Main.layoutManager._startingUp)
+ this._startupCompleteId = Main.layoutManager.connect('startup-complete', this._onStartupComplete.bind(this));
+ else
+ this._onStartupComplete(this);
+ }
+
+ disable() {
+ this._dismissMessage();
+
+ this._stopWatchingForIdle();
+
+ if (this._sessionModeUpdatedId) {
+ Main.sessionMode.disconnect(this._sessionModeUpdatedId);
+ this._sessionModeUpdatedId = 0;
+ }
+
+ if (this._overviewShowingId) {
+ Main.overview.disconnect(this._overviewShowingId);
+ this._overviewShowingId = 0;
+ }
+
+ if (this._overviewHiddenId) {
+ Main.overview.disconnect(this._overviewHiddenId);
+ this._overviewHiddenId = 0;
+ }
+
+ if (this._screenShieldVisibleId) {
+ Main.screenShield._dialog._clock.disconnect(this._screenShieldVisibleId);
+ this._screenShieldVisibleId = 0;
+ }
+
+ if (this._panelConnectionId) {
+ Main.layoutManager.panelBox.disconnect(this._panelConnectionId);
+ this._panelConnectionId = 0;
+ }
+
+ if (this._oldMapWindow) {
+ Main.wm._mapWindow = this._oldMapWindow;
+ this._oldMapWindow = null;
+ }
+
+ if (this._windowManagerMapId) {
+ global.window_manager.disconnect(this._windowManagerMapId);
+ this._windowManagerMapId = 0;
+ }
+
+ if (this._startupCompleteId) {
+ Main.layoutManager.disconnect(this._startupCompleteId);
+ this._startupCompleteId = 0;
+ }
+
+ if (this._settingsChangedId) {
+ this._settings.disconnect(this._settingsChangedId);
+ this._settingsChangedId = 0;
+ }
+ }
+
+ _onWindowMap(shellwm, actor) {
+ const windowObject = actor.meta_window;
+ const windowType = windowObject.get_window_type();
+
+ if (windowType != Meta.WindowType.NORMAL)
+ return;
+
+ if (!this._message || !this._message.visible)
+ return;
+
+ const messageRect = new Meta.Rectangle({ x: this._message.x, y: this._message.y, width: this._message.width, height: this._message.height });
+ const windowRect = windowObject.get_frame_rect();
+
+ if (windowRect.intersect(messageRect)) {
+ windowObject.move_frame(false, windowRect.x, this._message.y + this._message.height);
+ }
+ }
+
+ _onStartupComplete() {
+ this._overviewShowingId = Main.overview.connect('showing', this._updateMessage.bind(this));
+ this._overviewHiddenId = Main.overview.connect('hidden', this._updateMessage.bind(this));
+ this._panelConnectionId = Main.layoutManager.panelBox.connect('notify::visible', this._updateMessage.bind(this));
+ this._sessionModeUpdatedId = Main.sessionMode.connect('updated', this._onSessionModeUpdated.bind(this));
+
+ this._updateMessage();
+ }
+
+ _onSessionModeUpdated() {
+ if (!Main.sessionMode.hasWindows)
+ this._messageInhibitedUntilIdle = false;
+
+ const dialog = Main.screenShield._dialog;
+ if (!Main.sessionMode.isGreeter && dialog && !this._screenShieldVisibleId) {
+ this._screenShieldVisibleId = dialog._clock.connect('notify::visible',
+ this._updateMessage.bind(this));
+ this._screenShieldDestroyId = dialog._clock.connect('destroy', () => {
+ this._screenShieldVisibleId = 0;
+ this._screenShieldDestroyId = 0;
+ });
+ }
+ this._updateMessage();
+ }
+
+ _stopWatchingForIdle() {
+ if (this._idleWatchId) {
+ this._idleMonitor.remove_watch(this._idleWatchId);
+ this._idleWatchId = 0;
+ }
+
+ if (this._idleTimeoutChangedId) {
+ this._settings.disconnect(this._idleTimeoutChangedId);
+ this._idleTimeoutChangedId = 0;
+ }
+ }
+
+ _onIdleTimeoutChanged() {
+ this._stopWatchingForIdle();
+ this._messageInhibitedUntilIdle = false;
+ }
+
+ _onUserIdle() {
+ this._messageInhibitedUntilIdle = false;
+ this._updateMessage();
+ }
+
+ _watchForIdle() {
+ this._stopWatchingForIdle();
+
+ const idleTimeout = this._settings.get_uint('idle-timeout');
+
+ this._idleTimeoutChangedId = this._settings.connect('changed::idle-timeout', this._onIdleTimeoutChanged.bind(this));
+ this._idleWatchId = this._idleMonitor.add_idle_watch(idleTimeout * 1000, this._onUserIdle.bind(this));
+ }
+
+ _updateMessage() {
+ if (this._messageInhibitedUntilIdle) {
+ if (this._message)
+ this._dismissMessage();
+ return;
+ }
+
+ this._stopWatchingForIdle();
+
+ if (Main.sessionMode.hasOverview && Main.overview.visible) {
+ this._dismissMessage();
+ return;
+ }
+
+ if (!Main.layoutManager.panelBox.visible) {
+ this._dismissMessage();
+ return;
+ }
+
+ let supportedModes = [];
+
+ if (this._settings.get_boolean('show-when-unlocked'))
+ supportedModes.push('user');
+
+ if (this._settings.get_boolean('show-when-unlocking') ||
+ this._settings.get_boolean('show-when-locked'))
+ supportedModes.push('unlock-dialog');
+
+ if (this._settings.get_boolean('show-on-login-screen'))
+ supportedModes.push('gdm');
+
+ if (!supportedModes.includes(Main.sessionMode.currentMode) &&
+ !supportedModes.includes(Main.sessionMode.parentMode)) {
+ this._dismissMessage();
+ return;
+ }
+
+ if (Main.sessionMode.currentMode === 'unlock-dialog') {
+ const dialog = Main.screenShield._dialog;
+ if (!this._settings.get_boolean('show-when-locked')) {
+ if (dialog._clock.visible) {
+ this._dismissMessage();
+ return;
+ }
+ }
+
+ if (!this._settings.get_boolean('show-when-unlocking')) {
+ if (!dialog._clock.visible) {
+ this._dismissMessage();
+ return;
+ }
+ }
+ }
+
+ const heading = this._settings.get_string('message-heading');
+ const body = this._settings.get_string('message-body');
+
+ if (!heading && !body) {
+ this._dismissMessage();
+ return;
+ }
+
+ if (!this._message) {
+ this._message = new HeadsUpMessage.HeadsUpMessage(heading, body);
+
+ this._message.connect('notify::allocation', this._adaptSessionForMessage.bind(this));
+ this._message.connect('clicked', this._onMessageClicked.bind(this));
+ }
+
+ this._message.reactive = true;
+ this._message.track_hover = true;
+
+ this._message.setHeading(heading);
+ this._message.setBody(body);
+
+ if (!Main.sessionMode.hasWindows) {
+ this._message.track_hover = false;
+ this._message.reactive = false;
+ }
+ }
+
+ _onMessageClicked() {
+ if (!Main.sessionMode.hasWindows)
+ return;
+
+ this._watchForIdle();
+ this._messageInhibitedUntilIdle = true;
+ this._updateMessage();
+ }
+
+ _dismissMessage() {
+ if (!this._message) {
+ return;
+ }
+
+ this._message.visible = false;
+ this._message.destroy();
+ this._message = null;
+ this._resetMessageTray();
+ this._resetLoginDialog();
+ }
+
+ _resetMessageTray() {
+ if (!Main.messageTray)
+ return;
+
+ if (this._updateMessageTrayId) {
+ global.stage.disconnect(this._updateMessageTrayId);
+ this._updateMessageTrayId = 0;
+ }
+
+ if (this._messageTrayConstraint) {
+ Main.messageTray.remove_constraint(this._messageTrayConstraint);
+ this._messageTrayConstraint = null;
+ }
+ }
+
+ _alignMessageTray() {
+ if (!Main.messageTray)
+ return;
+
+ if (!this._message || !this._message.visible) {
+ this._resetMessageTray()
+ return;
+ }
+
+ if (this._updateMessageTrayId)
+ return;
+
+ this._updateMessageTrayId = global.stage.connect('before-update', () => {
+ if (!this._messageTrayConstraint) {
+ this._messageTrayConstraint = new HeadsUpConstraint({ primary: true });
+
+ Main.layoutManager.panelBox.bind_property('visible',
+ this._messageTrayConstraint, 'active',
+ GObject.BindingFlags.SYNC_CREATE);
+
+ Main.messageTray.add_constraint(this._messageTrayConstraint);
+ }
+
+ const panelBottom = Main.layoutManager.panelBox.y + Main.layoutManager.panelBox.height;
+ const messageBottom = this._message.y + this._message.height;
+
+ this._messageTrayConstraint.offset = messageBottom - panelBottom;
+ global.stage.disconnect(this._updateMessageTrayId);
+ this._updateMessageTrayId = 0;
+ });
+ }
+
+ _resetLoginDialog() {
+ if (!Main.sessionMode.isGreeter)
+ return;
+
+ if (!Main.screenShield || !Main.screenShield._dialog)
+ return;
+
+ const dialog = Main.screenShield._dialog;
+
+ if (this._authPromptAllocatedId) {
+ dialog.disconnect(this._authPromptAllocatedId);
+ this._authPromptAllocatedId = 0;
+ }
+
+ if (this._updateLoginDialogId) {
+ global.stage.disconnect(this._updateLoginDialogId);
+ this._updateLoginDialogId = 0;
+ }
+
+ if (this._loginDialogConstraint) {
+ dialog.remove_constraint(this._loginDialogConstraint);
+ this._loginDialogConstraint = null;
+ }
+ }
+
+ _adaptLoginDialogForMessage() {
+ if (!Main.sessionMode.isGreeter)
+ return;
+
+ if (!Main.screenShield || !Main.screenShield._dialog)
+ return;
+
+ if (!this._message || !this._message.visible) {
+ this._resetLoginDialog()
+ return;
+ }
+
+ const dialog = Main.screenShield._dialog;
+
+ if (this._updateLoginDialogId)
+ return;
+
+ this._updateLoginDialogId = global.stage.connect('before-update', () => {
+ let messageHeight = this._message.y + this._message.height;
+ if (dialog._logoBin.visible)
+ messageHeight -= dialog._logoBin.height;
+
+ if (!this._logindDialogConstraint) {
+ this._loginDialogConstraint = new HeadsUpConstraint({ primary: true });
+ dialog.add_constraint(this._loginDialogConstraint);
+ }
+
+ this._loginDialogConstraint.offset = messageHeight;
+
+ global.stage.disconnect(this._updateLoginDialogId);
+ this._updateLoginDialogId = 0;
+ });
+ }
+
+ _adaptSessionForMessage() {
+ this._alignMessageTray();
+
+ if (Main.sessionMode.isGreeter) {
+ this._adaptLoginDialogForMessage();
+ if (!this._authPromptAllocatedId) {
+ const dialog = Main.screenShield._dialog;
+ this._authPromptAllocatedId = dialog._authPrompt.connect('notify::allocation', this._adaptLoginDialogForMessage.bind(this));
+ }
+ }
+ }
+}
+
+function init() {
+ return new Extension();
+}
diff --git a/extensions/heads-up-display/headsUpMessage.js b/extensions/heads-up-display/headsUpMessage.js
new file mode 100644
index 00000000..87a8c8ba
--- /dev/null
+++ b/extensions/heads-up-display/headsUpMessage.js
@@ -0,0 +1,170 @@
+const { Atk, Clutter, GLib, GObject, Pango, St } = imports.gi;
+const Layout = imports.ui.layout;
+const Main = imports.ui.main;
+const Signals = imports.signals;
+
+var HeadsUpMessageBodyLabel = GObject.registerClass({
+}, class HeadsUpMessageBodyLabel extends St.Label {
+ _init(params) {
+ super._init(params);
+
+ this._widthCoverage = 0.75;
+ this._heightCoverage = 0.25;
+
+ this._workAreasChangedId = global.display.connect('workareas-changed', this._getWorkAreaAndMeasureLineHeight.bind(this));
+ }
+
+ _getWorkAreaAndMeasureLineHeight() {
+ if (!this.get_parent())
+ return;
+
+ this._workArea = Main.layoutManager.getWorkAreaForMonitor(Main.layoutManager.primaryIndex);
+
+ this.clutter_text.single_line_mode = true;
+ this.clutter_text.line_wrap = false;
+
+ this._lineHeight = super.vfunc_get_preferred_height(-1)[0];
+
+ this.clutter_text.single_line_mode = false;
+ this.clutter_text.line_wrap = true;
+ }
+
+ vfunc_parent_set(oldParent) {
+ this._getWorkAreaAndMeasureLineHeight();
+ }
+
+ vfunc_get_preferred_width(forHeight) {
+ const maxWidth = this._widthCoverage * this._workArea.width
+
+ let [labelMinimumWidth, labelNaturalWidth] = super.vfunc_get_preferred_width(forHeight);
+
+ labelMinimumWidth = Math.min(labelMinimumWidth, maxWidth);
+ labelNaturalWidth = Math.min(labelNaturalWidth, maxWidth);
+
+ return [labelMinimumWidth, labelNaturalWidth];
+ }
+
+ vfunc_get_preferred_height(forWidth) {
+ const labelHeightUpperBound = this._heightCoverage * this._workArea.height;
+ const numberOfLines = Math.floor(labelHeightUpperBound / this._lineHeight);
+ this._numberOfLines = Math.max(numberOfLines, 1);
+
+ const maxHeight = this._lineHeight * this._numberOfLines;
+
+ let [labelMinimumHeight, labelNaturalHeight] = super.vfunc_get_preferred_height(forWidth);
+
+ labelMinimumHeight = Math.min(labelMinimumHeight, maxHeight);
+ labelNaturalHeight = Math.min(labelNaturalHeight, maxHeight);
+
+ return [labelMinimumHeight, labelNaturalHeight];
+ }
+
+ destroy() {
+ if (this._workAreasChangedId) {
+ global.display.disconnect(this._workAreasChangedId);
+ this._workAreasChangedId = 0;
+ }
+
+ super.destroy();
+ }
+});
+
+var HeadsUpMessage = GObject.registerClass({
+}, class HeadsUpMessage extends St.Button {
+ _init(heading, body) {
+ super._init({
+ style_class: 'message',
+ accessible_role: Atk.Role.NOTIFICATION,
+ can_focus: false,
+ opacity: 0,
+ });
+
+ Main.layoutManager.addChrome(this, { affectsInputRegion: true });
+
+ this.add_style_class_name('heads-up-display-message');
+
+ this._panelAllocationId = Main.layoutManager.panelBox.connect('notify::allocation', this._alignWithPanel.bind(this));
+ this.connect('notify::allocation', this._alignWithPanel.bind(this));
+
+ const contentsBox = new St.BoxLayout({ style_class: 'heads-up-message-content',
+ vertical: true,
+ x_align: Clutter.ActorAlign.CENTER });
+ this.add_actor(contentsBox);
+
+ this.headingLabel = new St.Label({ style_class: 'heads-up-message-heading',
+ x_expand: true,
+ x_align: Clutter.ActorAlign.CENTER });
+ this.setHeading(heading);
+ contentsBox.add_actor(this.headingLabel);
+ this.contentsBox = contentsBox;
+
+ this.bodyLabel = new HeadsUpMessageBodyLabel({ style_class: 'heads-up-message-body',
+ x_expand: true,
+ y_expand: true });
+ contentsBox.add_actor(this.bodyLabel);
+
+ this.setBody(body);
+ }
+
+ vfunc_parent_set(oldParent) {
+ this._alignWithPanel();
+ }
+
+ _alignWithPanel() {
+ if (this._afterUpdateId)
+ return;
+
+ this._afterUpdateId = global.stage.connect('before-update', () => {
+ let x = Main.panel.x;
+ let y = Main.panel.y + Main.panel.height;
+
+ x += Main.panel.width / 2;
+ x -= this.width / 2;
+ x = Math.floor(x);
+ this.set_position(x,y);
+ this.opacity = 255;
+
+ global.stage.disconnect(this._afterUpdateId);
+ this._afterUpdateId = 0;
+ });
+ }
+
+ setHeading(text) {
+ if (text) {
+ const heading = text ? text.replace(/\n/g, ' ') : '';
+ this.headingLabel.text = heading;
+ this.headingLabel.visible = true;
+ } else {
+ this.headingLabel.text = text;
+ this.headingLabel.visible = false;
+ }
+ }
+
+ setBody(text) {
+ this.bodyLabel.text = text;
+ if (text) {
+ this.bodyLabel.visible = true;
+ } else {
+ this.bodyLabel.visible = false;
+ }
+ }
+
+ destroy() {
+ if (this._panelAllocationId) {
+ Main.layoutManager.panelBox.disconnect(this._panelAllocationId);
+ this._panelAllocationId = 0;
+ }
+
+ if (this._afterUpdateId) {
+ global.stage.disconnect(this._afterUpdateId);
+ this._afterUpdateId = 0;
+ }
+
+ if (this.bodyLabel) {
+ this.bodyLabel.destroy();
+ this.bodyLabel = null;
+ }
+
+ super.destroy();
+ }
+});
diff --git a/extensions/heads-up-display/meson.build b/extensions/heads-up-display/meson.build
new file mode 100644
index 00000000..40c3de0a
--- /dev/null
+++ b/extensions/heads-up-display/meson.build
@@ -0,0 +1,8 @@
+extension_data += configure_file(
+ input: metadata_name + '.in',
+ output: metadata_name,
+ configuration: metadata_conf
+)
+
+extension_sources += files('headsUpMessage.js', 'prefs.js')
+extension_schemas += files(metadata_conf.get('gschemaname') + '.gschema.xml')
diff --git a/extensions/heads-up-display/metadata.json.in b/extensions/heads-up-display/metadata.json.in
new file mode 100644
index 00000000..e7ab71aa
--- /dev/null
+++ b/extensions/heads-up-display/metadata.json.in
@@ -0,0 +1,11 @@
+{
+"extension-id": "@extension_id@",
+"uuid": "@uuid@",
+"gettext-domain": "@gettext_domain@",
+"name": "Heads-up Display Message",
+"description": "Add a message to be displayed on screen always above all windows and chrome.",
+"original-authors": [ "rstrode@redhat.com" ],
+"shell-version": [ "@shell_current@" ],
+"url": "@url@",
+"session-modes": [ "gdm", "lock-screen", "unlock-dialog", "user" ]
+}
diff --git a/extensions/heads-up-display/org.gnome.shell.extensions.heads-up-display.gschema.xml b/extensions/heads-up-display/org.gnome.shell.extensions.heads-up-display.gschema.xml
new file mode 100644
index 00000000..ea1f3774
--- /dev/null
+++ b/extensions/heads-up-display/org.gnome.shell.extensions.heads-up-display.gschema.xml
@@ -0,0 +1,54 @@
+<schemalist gettext-domain="gnome-shell-extensions">
+ <schema id="org.gnome.shell.extensions.heads-up-display"
+ path="/org/gnome/shell/extensions/heads-up-display/">
+ <key name="idle-timeout" type="u">
+ <default>30</default>
+ <summary>Idle Timeout</summary>
+ <description>
+ Number of seconds until message is reshown after user goes idle.
+ </description>
+ </key>
+ <key name="message-heading" type="s">
+ <default>""</default>
+ <summary>Message to show at top of display</summary>
+ <description>
+ The top line of the heads up display message.
+ </description>
+ </key>
+ <key name="message-body" type="s">
+ <default>""</default>
+ <summary>Banner message</summary>
+ <description>
+ A message to always show at the top of the screen.
+ </description>
+ </key>
+ <key name="show-on-login-screen" type="b">
+ <default>true</default>
+ <summary>Show on login screen</summary>
+ <description>
+ Whether or not the message should display on the login screen
+ </description>
+ </key>
+ <key name="show-when-locked" type="b">
+ <default>false</default>
+ <summary>Show on screen shield</summary>
+ <description>
+ Whether or not the message should display when the screen is locked
+ </description>
+ </key>
+ <key name="show-when-unlocking" type="b">
+ <default>false</default>
+ <summary>Show on unlock screen</summary>
+ <description>
+ Whether or not the message should display on the unlock screen.
+ </description>
+ </key>
+ <key name="show-when-unlocked" type="b">
+ <default>false</default>
+ <summary>Show in user session</summary>
+ <description>
+ Whether or not the message should display when the screen is unlocked.
+ </description>
+ </key>
+ </schema>
+</schemalist>
diff --git a/extensions/heads-up-display/prefs.js b/extensions/heads-up-display/prefs.js
new file mode 100644
index 00000000..a7106e07
--- /dev/null
+++ b/extensions/heads-up-display/prefs.js
@@ -0,0 +1,194 @@
+
+/* Desktop Icons GNOME Shell extension
+ *
+ * Copyright (C) 2017 Carlos Soriano <csoriano@redhat.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+const { Gio, GObject, Gdk, Gtk } = imports.gi;
+const ExtensionUtils = imports.misc.extensionUtils;
+const Gettext = imports.gettext.domain('gnome-shell-extensions');
+const _ = Gettext.gettext;
+const N_ = e => e;
+const cssData = `
+ .no-border {
+ border: none;
+ }
+
+ .border {
+ border: 1px solid;
+ border-radius: 3px;
+ border-color: #b6b6b3;
+ box-shadow: inset 0 0 0 1px rgba(74, 144, 217, 0);
+ background-color: white;
+ }
+
+ .margins {
+ padding-left: 8px;
+ padding-right: 8px;
+ padding-bottom: 8px;
+ }
+
+ .contents {
+ padding: 20px;
+ }
+
+ .message-label {
+ font-weight: bold;
+ }
+`;
+
+var settings;
+
+function init() {
+ settings = ExtensionUtils.getSettings("org.gnome.shell.extensions.heads-up-display");
+ const cssProvider = new Gtk.CssProvider();
+ cssProvider.load_from_data(cssData);
+
+ const display = Gdk.Display.get_default();
+ Gtk.StyleContext.add_provider_for_display(display, cssProvider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
+}
+
+function buildPrefsWidget() {
+ ExtensionUtils.initTranslations();
+
+ const contents = new Gtk.Box({
+ orientation: Gtk.Orientation.VERTICAL,
+ spacing: 10,
+ visible: true,
+ });
+
+ contents.append(buildSwitch('show-when-locked', _("Show message when screen is locked")));
+ contents.append(buildSwitch('show-when-unlocking', _("Show message on unlock screen")));
+ contents.append(buildSwitch('show-when-unlocked', _("Show message when screen is unlocked")));
+ contents.append(buildSpinButton('idle-timeout', _("Seconds after user goes idle before reshowing message")));
+ contents.get_style_context().add_class("contents");
+
+ const outerMessageBox = new Gtk.Box({
+ orientation: Gtk.Orientation.VERTICAL,
+ spacing: 5,
+ visible: true,
+ });
+ contents.append(outerMessageBox);
+
+ const messageLabel = new Gtk.Label({
+ label: 'Message',
+ halign: Gtk.Align.START,
+ visible: true,
+ });
+ messageLabel.get_style_context().add_class("message-label");
+ outerMessageBox.append(messageLabel);
+
+ const innerMessageBox = new Gtk.Box({
+ orientation: Gtk.Orientation.VERTICAL,
+ spacing: 0,
+ visible: true,
+ });
+ innerMessageBox.get_style_context().add_class("border");
+ outerMessageBox.append(innerMessageBox);
+
+ innerMessageBox.append(buildEntry('message-heading', _("Message Heading")));
+ innerMessageBox.append(buildTextView('message-body', _("Message Body")));
+ return contents;
+}
+
+function buildTextView(key, labelText) {
+ const textView = new Gtk.TextView({
+ accepts_tab: false,
+ visible: true,
+ wrap_mode: Gtk.WrapMode.WORD,
+ });
+
+ settings.bind(key, textView.get_buffer(), 'text', Gio.SettingsBindFlags.DEFAULT);
+
+ const scrolledWindow = new Gtk.ScrolledWindow({
+ hexpand: true,
+ vexpand: true,
+ visible: true,
+ });
+ const styleContext = scrolledWindow.get_style_context();
+ styleContext.add_class("margins");
+
+ scrolledWindow.set_child(textView);
+ return scrolledWindow;
+}
+function buildEntry(key, labelText) {
+ const entry = new Gtk.Entry({
+ placeholder_text: labelText,
+ visible: true,
+ });
+ const styleContext = entry.get_style_context();
+ styleContext.add_class("no-border");
+ settings.bind(key, entry, 'text', Gio.SettingsBindFlags.DEFAULT);
+
+ entry.get_settings()['gtk-entry-select-on-focus'] = false;
+
+ return entry;
+}
+
+function buildSpinButton(key, labelText) {
+ const hbox = new Gtk.Box({
+ orientation: Gtk.Orientation.HORIZONTAL,
+ spacing: 10,
+ visible: true,
+ });
+ const label = new Gtk.Label({
+ hexpand: true,
+ label: labelText,
+ visible: true,
+ xalign: 0,
+ });
+ const adjustment = new Gtk.Adjustment({
+ value: 0,
+ lower: 0,
+ upper: 2147483647,
+ step_increment: 1,
+ page_increment: 60,
+ page_size: 60,
+ });
+ const spinButton = new Gtk.SpinButton({
+ adjustment: adjustment,
+ climb_rate: 1.0,
+ digits: 0,
+ max_width_chars: 3,
+ visible: true,
+ width_chars: 3,
+ });
+ settings.bind(key, spinButton, 'value', Gio.SettingsBindFlags.DEFAULT);
+ hbox.append(label);
+ hbox.append(spinButton);
+ return hbox;
+}
+
+function buildSwitch(key, labelText) {
+ const hbox = new Gtk.Box({
+ orientation: Gtk.Orientation.HORIZONTAL,
+ spacing: 10,
+ visible: true,
+ });
+ const label = new Gtk.Label({
+ hexpand: true,
+ label: labelText,
+ visible: true,
+ xalign: 0,
+ });
+ const switcher = new Gtk.Switch({
+ active: settings.get_boolean(key),
+ });
+ settings.bind(key, switcher, 'active', Gio.SettingsBindFlags.DEFAULT);
+ hbox.append(label);
+ hbox.append(switcher);
+ return hbox;
+}
diff --git a/extensions/heads-up-display/stylesheet.css b/extensions/heads-up-display/stylesheet.css
new file mode 100644
index 00000000..93034469
--- /dev/null
+++ b/extensions/heads-up-display/stylesheet.css
@@ -0,0 +1,32 @@
+.heads-up-display-message {
+ background-color: rgba(0.24, 0.24, 0.24, 0.80);
+ border: 1px solid black;
+ border-radius: 6px;
+ color: #eeeeec;
+ font-size: 11pt;
+ margin-top: 0.5em;
+ margin-bottom: 0.5em;
+ padding: 0.9em;
+}
+
+.heads-up-display-message:insensitive {
+ background-color: rgba(0.24, 0.24, 0.24, 0.33);
+}
+
+.heads-up-display-message:hover {
+ background-color: rgba(0.24, 0.24, 0.24, 0.2);
+ border: 1px solid rgba(0.0, 0.0, 0.0, 0.5);
+ color: #4d4d4d;
+ transition-duration: 250ms;
+}
+
+.heads-up-message-heading {
+ height: 1.75em;
+ font-size: 1.25em;
+ font-weight: bold;
+ text-align: center;
+}
+
+.heads-up-message-body {
+ text-align: center;
+}
diff --git a/meson.build b/meson.build
index 582535c4..ecc86fc8 100644
--- a/meson.build
+++ b/meson.build
@@ -39,6 +39,7 @@ classic_extensions = [
default_extensions = classic_extensions
default_extensions += [
'drive-menu',
+ 'heads-up-display',
'screenshot-window-sizer',
'windowsNavigator',
'workspace-indicator'
--
2.33.1
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