GNOME theme: shell theme and dock in Vapor colors, Ubuntu-style extensions, start on the desktop; never pick GNOME Classic

patches/steamify-desktop-start.js

@@ -0,0 +1,27 @@
+// GNOME opens the overview after login; Ubuntu starts on the desktop. So does
+// this (Steamify GNOME theme): the overview stays closed while the shell
+// starts up, and is available again right after.
+import * as Main from 'resource:///org/gnome/shell/ui/main.js';
+import {Extension} from 'resource:///org/gnome/shell/extensions/extension.js';
+
+export default class SteamifyDesktopStart extends Extension {
+    enable() {
+        if (!Main.layoutManager._startingUp)
+            return;
+        this._hadOverview = Main.sessionMode.hasOverview;
+        Main.sessionMode.hasOverview = false;
+        this._startupId = Main.layoutManager.connect('startup-complete', () => {
+            Main.sessionMode.hasOverview = this._hadOverview;
+            Main.overview.hide();
+        });
+    }
+
+    disable() {
+        if (this._startupId) {
+            Main.layoutManager.disconnect(this._startupId);
+            this._startupId = null;
+        }
+        if (this._hadOverview !== undefined)
+            Main.sessionMode.hasOverview = this._hadOverview;
+    }
+}

patches/steamify-desktop-start.json

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+{
+  "uuid": "steamify-desktop-start@steamify.github.io",
+  "name": "Steamify: start on the desktop",
+  "description": "Log in to the desktop, not the overview (like Ubuntu).",
+  "shell-version": ["45", "46", "47", "48", "49", "50", "51"]
+}

patches/steamify-gnome-gtk4.css

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+/* Steamify Vapor: libadwaita/GTK4 colors, from Vapor's palette (cachyos-vapor, Vapor.colors). */
+@define-color accent_bg_color #569fcc;
+@define-color accent_fg_color #1f1f26;
+@define-color accent_color #3daee9;
+@define-color window_bg_color #24272c;
+@define-color window_fg_color #eff0f1;
+@define-color view_bg_color #151c23;
+@define-color view_fg_color #eff0f1;
+@define-color headerbar_bg_color #24272c;
+@define-color headerbar_fg_color #eff0f1;
+@define-color card_bg_color #2a2e32;
+@define-color popover_bg_color #2a2e32;
+@define-color sidebar_bg_color #1f2328;
+@define-color dialog_bg_color #2a2e32;

patches/steamify-gnome-shell.css

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+/* Steamify Vapor: the SteamOS look for GNOME Shell.
+ * Starts from the stock GNOME Shell theme and recolors it with the
+ * palette of the Vapor theme (KDE Plasma's SteamOS look, cachyos-vapor). */
+@import url("resource:///org/gnome/shell/theme/gnome-shell.css");
+
+/* Top bar: Vapor's panel color. */
+#panel,
+#panel.lock-screen,
+#panel.unlock-screen {
+  background-color: #24272c;
+}
+#panel .panel-button { color: #eff0f1; }
+#panel .panel-button:hover,
+#panel .panel-button:focus,
+#panel .panel-button:active,
+#panel .panel-button:checked,
+#panel .panel-button:overview {
+  background-color: rgba(86, 159, 204, 0.35);
+  color: #eff0f1;
+}
+
+/* Dash in the overview, popups and the calendar. */
+#dash .dash-background { background-color: #24272c; }
+.popup-menu-content,
+.candidate-popup-content,
+.message-list-clear-button {
+  background-color: #24272c;
+}
+.popup-menu-item:hover,
+.popup-menu-item:focus,
+.popup-menu-item:active {
+  background-color: rgba(86, 159, 204, 0.35);
+}
+
+/* Selection and focus in Vapor's blue. */
+.app-well-app:focus .overview-icon,
+.app-well-app:selected .overview-icon,
+.overview-tile:focus,
+.overview-tile:selected,
+.search-entry:focus {
+  background-color: rgba(86, 159, 204, 0.3);
+  border-color: #3daee9;
+}
+.button:focus,
+.check-box:focus StBin { border-color: #3daee9; }
+.slider { color: #3daee9; }
+.workspace-thumbnail-indicator { border-color: #3daee9; }