Adding upstream version 20230205.upstream/20230205

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 335 insertions, 0 deletions

diff --git a/extensions/vertical-workspaces/windowPreview.js b/extensions/vertical-workspaces/windowPreview.js
new file mode 100644
index 0000000..013f48c
--- /dev/null
+++ b/extensions/vertical-workspaces/windowPreview.js
@@ -0,0 +1,335 @@
+/**
+ * Vertical Workspaces
+ * windowPreview.js
+ * 
+ * @author     GdH <G-dH@github.com>
+ * @copyright  2022 - 2023
+ * @license    GPL-3.0
+ *
+ */
+
+'use strict';
+
+const { Clutter, GLib, Graphene, Meta, Shell, St } = imports.gi;
+
+const Main = imports.ui.main;
+const WindowPreview = imports.ui.windowPreview;
+
+const ExtensionUtils = imports.misc.extensionUtils;
+const Me = ExtensionUtils.getCurrentExtension();
+
+const _Util = Me.imports.util;
+let _overrides;
+
+const WINDOW_SCALE_TIME = imports.ui.windowPreview.WINDOW_SCALE_TIME;
+const WINDOW_ACTIVE_SIZE_INC = imports.ui.windowPreview.WINDOW_ACTIVE_SIZE_INC;
+const WINDOW_OVERLAY_FADE_TIME = imports.ui.windowPreview.WINDOW_OVERLAY_FADE_TIME;
+const SEARCH_WINDOWS_PREFIX = Me.imports.windowSearchProvider.prefix;
+
+const ControlsState = imports.ui.overviewControls.ControlsState;
+
+var opt = null;
+
+function update(reset = false) {
+    if (_overrides) {
+        _overrides.removeAll();
+    }
+
+    if (reset) {
+        _overrides = null;
+        opt = null;
+        return;
+    }
+
+    opt = Me.imports.settings.opt;
+    _overrides = new _Util.Overrides();
+
+    _overrides.addOverride('WindowPreview', WindowPreview.WindowPreview.prototype, WindowPreviewCommon);
+    // move titles into window previews
+    _overrides.addInjection('WindowPreview', WindowPreview.WindowPreview.prototype, WindowPreviewInjections);
+}
+
+//----- WindowPreview ------------------------------------------------------------------
+var WindowPreviewInjections = {
+    _init: function() {
+        const ICON_OVERLAP = 0.7;
+
+        if (opt.WIN_PREVIEW_ICON_SIZE < 64) {
+            this.remove_child(this._icon);
+            this._icon.destroy();
+            const tracker = Shell.WindowTracker.get_default();
+            const app = tracker.get_window_app(this.metaWindow);
+            this._icon = app.create_icon_texture(opt.WIN_PREVIEW_ICON_SIZE);
+            this._icon.add_style_class_name('icon-dropshadow');
+            this._icon.set({
+                reactive: true,
+                pivot_point: new Graphene.Point({ x: 0.5, y: 0.5 }),
+            });
+            this._icon.add_constraint(new Clutter.BindConstraint({
+                source: this.windowContainer,
+                coordinate: Clutter.BindCoordinate.POSITION,
+            }));
+            this._icon.add_constraint(new Clutter.AlignConstraint({
+                source: this.windowContainer,
+                align_axis: Clutter.AlignAxis.X_AXIS,
+                factor: 0.5,
+            }));
+            this._icon.add_constraint(new Clutter.AlignConstraint({
+                source: this.windowContainer,
+                align_axis: Clutter.AlignAxis.Y_AXIS,
+                pivot_point: new Graphene.Point({ x: -1, y: ICON_OVERLAP }),
+                factor: 1,
+            }));
+            this.add_child(this._icon);
+            if (opt.WIN_PREVIEW_ICON_SIZE < 22) {
+                // disable app icon
+                this._icon.hide();
+            }
+            this._iconSize = opt.WIN_PREVIEW_ICON_SIZE;
+        }
+
+        const { scaleFactor } = St.ThemeContext.get_for_stage(global.stage);
+        const iconOverlap = opt.WIN_PREVIEW_ICON_SIZE * ICON_OVERLAP;
+        // we cannot get proper title height before it gets to the stage, so 35 is estimated height + spacing
+        this._title.get_constraints()[1].offset = scaleFactor * (- iconOverlap - 35);
+        this.set_child_above_sibling(this._title, null);
+        // if window is created while the overview is shown, icon and title should be visible immediately
+        if (Main.overview._overview._controls._stateAdjustment.value < 1) {
+            this._icon.scale_x = 0;
+            this._icon.scale_y = 0;
+            this._title.opacity = 0;
+        }
+
+        if (opt.ALWAYS_SHOW_WIN_TITLES) {
+            this._title.show();
+            this._stateConId = this._workspace._background._stateAdjustment.connect('notify::value', (adj) => {
+                this._title.opacity = Math.floor(adj.value) * 255;
+            });
+
+        }
+
+        if (opt.OVERVIEW_MODE === 1) {
+            // spread windows on hover
+            this._wsStateConId = this.connect('enter-event', () => {
+                // don't spread windows if user don't use pointer device at this moment
+                if (global.get_pointer()[0] === opt.showingPointerX)
+                    return;
+
+                const adjustment = this._workspace._background._stateAdjustment;
+                if (!adjustment.value && !Main.overview._animationInProgress) {
+                    opt.WORKSPACE_MODE = 1;
+                    if (adjustment.value === 0) {
+                        adjustment.value = 0;
+                        adjustment.ease(1, {
+                            duration: 200,
+                            mode: Clutter.AnimationMode.EASE_OUT_QUAD
+                        });
+                    }
+                }
+            });
+        }
+        if (opt.OVERVIEW_MODE) {
+            // show window icon and title on ws windows spread
+            this._stateAdjustmentSigId = this._workspace.stateAdjustment.connect('notify::value', this._updateIconScale.bind(this));
+        }
+
+        // replace click action with custom one
+        const action = this.get_actions()[0];
+        this.remove_action(action);
+
+        const clickAction = new Clutter.ClickAction();
+        clickAction.connect('clicked', (action) => {
+            const button = action.get_button();
+            if (button === Clutter.BUTTON_PRIMARY) {
+                this._activate();
+            } else if (button === Clutter.BUTTON_SECONDARY) {
+                // this action cancels long-press event and the 'long-press-cancel' event is used by the Shell to actually initiate DnD
+                // so the dnd initiation needs to be removed
+                if (this._longPressLater) {
+                    Meta.later_remove(this._longPressLater);
+                    delete this._longPressLater;
+                }
+                const tracker = Shell.WindowTracker.get_default();
+                const appName = tracker.get_window_app(this.metaWindow).get_name();
+                _Util.activateSearchProvider(`${SEARCH_WINDOWS_PREFIX} ${appName}`);
+                return Clutter.EVENT_STOP;
+            }
+        });
+
+        clickAction.connect('long-press', this._onLongPress.bind(this));
+        this.add_action(clickAction);
+
+        this.connect('destroy', () => this._workspace.stateAdjustment.disconnect(this._stateConId));
+    }
+}
+
+// WindowPreview
+var WindowPreviewCommon = {
+    _updateIconScale: function() {
+        let { currentState, initialState, finalState } =
+            this._overviewAdjustment.getStateTransitionParams();
+
+        // Current state - 0 - HIDDEN, 1 - WINDOW_PICKER, 2 - APP_GRID
+        const primaryMonitor = this.metaWindow.get_monitor() === global.display.get_primary_monitor();
+
+        const visible =
+            (initialState > ControlsState.HIDDEN || finalState > ControlsState.HIDDEN)
+            && !(finalState === ControlsState.APP_GRID && primaryMonitor);
+
+        let scale = visible
+            ? (currentState >= 1 ? 1 : currentState % 1) : 0;
+        if (!primaryMonitor &&
+            ((initialState === ControlsState.WINDOW_PICKER && finalState === ControlsState.APP_GRID) ||
+            (initialState === ControlsState.APP_GRID && finalState === ControlsState.WINDOW_PICKER))
+            ) {
+            scale = 1;
+        /*} else if (primaryMonitor && ((initialState === ControlsState.WINDOW_PICKER && finalState === ControlsState.APP_GRID) ||
+            initialState === ControlsState.APP_GRID && finalState === ControlsState.HIDDEN)) {*/
+        } else if (primaryMonitor && currentState > ControlsState.WINDOW_PICKER) {
+            scale = 0;
+        }
+
+        // in static workspace mode show icon and title on ws windows spread
+        if (opt.OVERVIEW_MODE) {
+            const windowsSpread = this._workspace.stateAdjustment.value;
+            if (currentState === 1) {
+                scale = windowsSpread;
+            } else if (finalState === 1 || (finalState === 0 && !windowsSpread)) {
+                return;
+            }
+        }
+
+        this._icon.set({
+            scale_x: scale,
+            scale_y: scale,
+        });
+
+        // if titles are in 'always show' mode, we need to add transition between visible/invisible state
+        // but the transition is quite expensive,
+        // showing the titles at the end of the transition is good enough and workspace preview transition is much smoother
+        this._title.set({
+            opacity: Math.floor(scale) * 255,
+        });
+    },
+
+    showOverlay: function(animate) {
+        if (!this._overlayEnabled)
+            return;
+
+        if (this._overlayShown)
+            return;
+
+        this._overlayShown = true;
+        //this._restack();
+
+        // If we're supposed to animate and an animation in our direction
+        // is already happening, let that one continue
+        const ongoingTransition = this._title.get_transition('opacity');
+        if (animate &&
+            ongoingTransition &&
+            ongoingTransition.get_interval().peek_final_value() === 255)
+            return;
+
+        const toShow = this._windowCanClose()
+            ? [this._closeButton]
+            : [];
+
+        if (!opt.ALWAYS_SHOW_WIN_TITLES) {
+            toShow.push(this._title);
+        }
+
+        toShow.forEach(a => {
+            a.opacity = 0;
+            a.show();
+            a.ease({
+                opacity: 255,
+                duration: animate ? WINDOW_OVERLAY_FADE_TIME : 0,
+                mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+            });
+        });
+
+        const [width, height] = this.window_container.get_size();
+        const { scaleFactor } = St.ThemeContext.get_for_stage(global.stage);
+        const activeExtraSize = WINDOW_ACTIVE_SIZE_INC * 2 * scaleFactor;
+        const origSize = Math.max(width, height);
+        const scale = (origSize + activeExtraSize) / origSize;
+
+        this.window_container.ease({
+            scale_x: scale,
+            scale_y: scale,
+            duration: animate ? WINDOW_SCALE_TIME : 0,
+            mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+        });
+
+        this.emit('show-chrome');
+    },
+
+    hideOverlay: function(animate) {
+        if (!this._overlayShown)
+            return;
+        this._overlayShown = false;
+        //this._restack();
+
+        // If we're supposed to animate and an animation in our direction
+        // is already happening, let that one continue
+        const ongoingTransition = this._title.get_transition('opacity');
+        if (animate &&
+            ongoingTransition &&
+            ongoingTransition.get_interval().peek_final_value() === 0)
+            return;
+
+        const toHide = [this._closeButton];
+
+        if (!opt.ALWAYS_SHOW_WIN_TITLES) {
+            toHide.push(this._title);
+        }
+        toHide.forEach(a => {
+            a.opacity = 255;
+            a.ease({
+                opacity: 0,
+                duration: animate ? WINDOW_OVERLAY_FADE_TIME : 0,
+                mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+                onComplete: () => a.hide(),
+            });
+        });
+
+        if (this.window_container) {
+            this.window_container.ease({
+                scale_x: 1,
+                scale_y: 1,
+                duration: animate ? WINDOW_SCALE_TIME : 0,
+                mode: Clutter.AnimationMode.EASE_OUT_QUAD,
+            });
+        }
+    },
+
+    _onDestroy() {
+        // fix for upstream bug - hideOverlay is called after windowPreview is destroyed, from the leave event callback
+        // but it still throws:
+        //  clutter_actor_get_preferred_width: assertion 'CLUTTER_IS_ACTOR (self)' failed
+        //  clutter_actor_get_preferred_height: assertion 'CLUTTER_IS_ACTOR (self)' failed
+        this.hideOverlay(false);
+
+        this.metaWindow._delegate = null;
+        this._delegate = null;
+
+        if (this._longPressLater) {
+            Meta.later_remove(this._longPressLater);
+            delete this._longPressLater;
+        }
+
+        if (this._idleHideOverlayId > 0) {
+            GLib.source_remove(this._idleHideOverlayId);
+            this._idleHideOverlayId = 0;
+        }
+
+        if (this.inDrag) {
+            this.emit('drag-end');
+            this.inDrag = false;
+        }
+
+        if (this._stateAdjustmentSigId) {
+            this._workspace.stateAdjustment.disconnect(this._stateAdjustmentSigId);
+        }
+    }
+}