File gse-sle-classic-ext.patch of Package gnome-shell-extensions

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File gse-sle-classic-ext.patch of Package gnome-shell-extensions (Revision 46c882444c74bf03efd148b3ffada3f2)

Currently displaying revision 46c882444c74bf03efd148b3ffada3f2 , Show latest

Index: gnome-shell-extensions-3.27.91/extensions/window-list/classic.css
===================================================================
--- gnome-shell-extensions-3.27.91.orig/extensions/window-list/classic.css
+++ gnome-shell-extensions-3.27.91/extensions/window-list/classic.css
@@ -6,7 +6,7 @@
     height: 2.25em ;
   }
 
-  .bottom-panel .window-button > StWidget {
+ .window-button > StWidget {
     background-gradient-drection: vertical;
     background-color: #fff;
     background-gradient-start: #fff;
@@ -22,25 +22,25 @@
     text-shadow: 0 0 transparent;
   }
 
-  .bottom-panel .window-button:hover > StWidget {
+  .window-button:hover > StWidget {
     background-color: #f9f9f9;
   }
 
-  .bottom-panel .window-button:active > StWidget,
-  .bottom-panel .window-button:focus > StWidget {
+  .window-button:active > StWidget,
+  .window-button:focus > StWidget {
     box-shadow: inset 1px 1px 2px rgba(0,0,0,0.5);
   }
 
-  .bottom-panel .window-button.focused > StWidget {
+  .window-button.focused > StWidget {
     background-color: #ddd;
     box-shadow: inset 1px 1px 1px rgba(0,0,0,0.5);
   }
 
-  .bottom-panel .window-button.focused:hover > StWidget {
+  .window-button.focused:hover > StWidget {
     background-color: #e9e9e9;
   }
 
-  .bottom-panel .window-button.minimized > StWidget {
+  .window-button.minimized > StWidget {
     color: #888;
     box-shadow: inset -1px -1px 1px rgba(0,0,0,0.5);
   }
Index: gnome-shell-extensions-3.27.91/extensions/window-list/extension.js
===================================================================
--- gnome-shell-extensions-3.27.91.orig/extensions/window-list/extension.js
+++ gnome-shell-extensions-3.27.91/extensions/window-list/extension.js
@@ -27,6 +27,395 @@ const GroupingMode = {
     ALWAYS: 2
 };
 
+function isSLEClassicMode() {
+    return Main.sessionMode.currentMode == "sle-classic" ? true : false;
+}
+
+// NOTE: call `initializeWindowList` explicitly to finish initialization.
+class PureWinList {
+    constructor(perMonitor, monitor, maxWidthFunc) {
+        // NOTE: in SLE Classic `PureWinList` will NOT use any multiple monitor
+        // support, the following is kept for use in GNOME Classic as we try to
+        // unify code for two sides.
+        this._perMonitor = perMonitor;
+        this._monitor = monitor;
+        // NOTE: callback function given by the employer of this PureWinList.
+        // Since PureWinList can be used various widgets hierarchy, we have to
+        // leave the calculation of max available width to the employer.
+        this._getMaxWindowListWidth = maxWidthFunc;
+
+        let layout = new Clutter.BoxLayout({ homogeneous: true });
+        this.actor = new St.Widget({ style_class: 'window-list',
+                                     reactive: true,
+                                     layout_manager: layout,
+                                     x_align: Clutter.ActorAlign.START,
+                                     x_expand: true,
+                                     y_expand: true });
+
+        this.actor.connect('style-changed', () => {
+            let node = this.actor.get_theme_node();
+            let spacing = node.get_length('spacing');
+            this.actor.layout_manager.spacing = spacing;
+        });
+        this.actor.connect('scroll-event', this._onScrollEvent.bind(this));
+        this.actor.connect('destroy', this._onDestroy.bind(this));
+
+        this._appSystem = Shell.AppSystem.get_default();
+        this._appStateChangedId =
+            this._appSystem.connect('app-state-changed',
+                                    this._onAppStateChanged.bind(this));
+
+        this._settings = Convenience.getSettings();
+
+        // Grouping
+        this._groupingModeChangedId =
+            this._settings.connect('changed::grouping-mode',
+                                   this._groupingModeChanged.bind(this));
+        this._grouped = undefined;
+        // NOTE: do NOT `_checkGrouping` here
+
+        // workspace related
+        this._workspaceSignals = new Map();
+        this._nWorkspacesChangedId =
+            global.screen.connect('notify::n-workspaces',
+                                  this._onWorkspacesChanged.bind(this));
+        this._onWorkspacesChanged();
+
+        this._switchWorkspaceId =
+            global.window_manager.connect('switch-workspace',
+                                          this._checkGrouping.bind(this));
+
+        // Hide and Show with Overview
+        this._overviewShowingId =
+            Main.overview.connect('showing', () => {
+                this.actor.hide();
+            });
+
+        this._overviewHidingId =
+            Main.overview.connect('hiding', () => {
+                this.actor.show();
+            });
+
+        this._groupingMode = this._settings.get_enum('grouping-mode');
+    }
+
+    _getDynamicWorkspacesSettings() {
+        if (this._workspaceSettings.list_keys().indexOf('dynamic-workspaces') > -1)
+            return this._workspaceSettings;
+        return this._mutterSettings;
+    }
+
+    // NOTE: an API for parent panel to refresh the window list. This is
+    // necessary as window/app buttons require its parents having allocation and
+    // positioning *completed* before being properly allocated and positioned
+    initializeWindowList() {
+        this._groupingModeChanged();
+    }
+
+    // NOTE: support scrolling in window list s.t. scrolling activate window
+    // buttons sequentially.
+    //
+    // *Code is rewritten*.
+    _onScrollEvent(actor, event) {
+        let direction = event.get_scroll_direction();
+        let diff = 0;
+        if (direction === Clutter.ScrollDirection.DOWN)
+            diff = 1;
+        else if (direction === Clutter.ScrollDirection.UP)
+            diff = -1;
+        else
+            return;
+
+        let buttons = this.actor.get_children().map(function(actor) {
+            return actor._delegate;
+        });
+        let totalBtnNum = buttons.length;
+
+        let activeBtnIdx = 0
+        for (let i = 0; i < totalBtnNum; i++) {
+            if (buttons[i].active) {
+                activeBtnIdx = i
+                break;
+            }
+        }
+
+        // NOTE: bound by `0` and `totalBtnNum - 1`, no wrapping for
+        // scrolling.
+        activeBtnIdx = activeBtnIdx + diff;
+        let noScrollActionNeeded = ( (activeBtnIdx < 0) || (activeBtnIdx >= totalBtnNum) );
+        if (noScrollActionNeeded)
+            return;
+
+        // TODO: no need to call `deactivate` for old `active button` ?
+        buttons[activeBtnIdx].activate();
+    }
+
+    _onAppStateChanged(appSys, app) {
+        if (!this._grouped)
+            return;
+
+        if (app.state == Shell.AppState.RUNNING)
+            this._addApp(app);
+        else if (app.state == Shell.AppState.STOPPED)
+            this._removeApp(app);
+    }
+
+    _addApp(app) {
+        let button = new AppButton(app, this._perMonitor, this._monitor.index);
+        this.actor.layout_manager.pack(button.actor,
+                                       true, true, true,
+                                       Clutter.BoxAlignment.START,
+                                       Clutter.BoxAlignment.START)
+    }
+
+    _removeApp(app) {
+        let children = this.actor.get_children();
+        for (let i = 0; i < children.length; i++) {
+            if (children[i]._delegate.app === app) {
+                children[i].destroy();
+                return;
+            }
+        }
+    }
+
+    _groupingModeChanged() {
+        this._groupingMode = this._settings.get_enum('grouping-mode');
+
+        if (this._groupingMode == GroupingMode.AUTO) {
+            this._checkGrouping();
+        } else {
+            this._grouped = ( this._groupingMode === GroupingMode.ALWAYS );
+            this._populateWindowList();
+        }
+    }
+
+    _checkGrouping() {
+        if (this._groupingMode != GroupingMode.AUTO)
+            return;
+
+        // TODO `_getMaxWindowListWidth` is known to depend on parent
+        // conditions. However the following call seems to get the right parent
+        // value. So an option to avoid timing issue is to use the following
+        // callback.
+        //
+        // this.actor.connect('allocation-changed', () => {
+        //     log('parent width: ' + this.actor.get_parent().width);
+        // });
+        //
+        // The legitimacy can be explained in the (guessed) algorithm of
+        // allocation: Bubble up then propagate down (like DOM Events?). In
+        // details: changes that would alter the geometric properties of a
+        // widget would trigger a re-allocation to its parent AFTER some initial
+        // allocation calculation of its own (for queries like
+        // `_get_preferred_width` work for its parents). The `re-allocation`
+        // would bubble up the widget hierarchy till one widget stops it (e.g. a
+        // widget that has fixed size and absolute positioning and thus it does
+        // not need to send re-allocation request up.). Then the re-allocation
+        // signal is sent down to its origin. (downward propagation is necessary
+        // as much of the positioning and allocation depends on one's parent)
+        let maxWidth = this._getMaxWindowListWidth();
+        let natWidth = this._getPreferredUngroupedWindowListWidth();
+
+        let grouped = (maxWidth < natWidth);
+        if (this._grouped !== grouped) {
+            this._grouped = grouped;
+            this._populateWindowList();
+        }
+    }
+
+    _populateWindowList() {
+        this.actor.destroy_all_children();
+
+        if (!this._grouped) {
+            let windows = global.get_window_actors().sort(
+                function(w1, w2) {
+                    return w1.metaWindow.get_stable_sequence() -
+                           w2.metaWindow.get_stable_sequence();
+                });
+            for (let i = 0; i < windows.length; i++)
+                this._onWindowAdded(null, windows[i].metaWindow);
+        } else {
+            let apps = this._appSystem.get_running().sort(
+                function(a1, a2) {
+                    return _getAppStableSequence(a1) -
+                           _getAppStableSequence(a2);
+                });
+            for (let i = 0; i < apps.length; i++)
+                this._addApp(apps[i]);
+        }
+    }
+
+    // NOTE the `ws` params in the following two are not used (necessarily be
+    // here as the event handler Interface dictates).
+    _onWindowAdded(ws, win) {
+        if (win.skip_taskbar)
+            return;
+
+        if (!this._grouped)
+            this._checkGrouping();
+
+        if (this._grouped)
+            return;
+
+        let children = this.actor.get_children();
+        for (let i = 0; i < children.length; i++) {
+            if (children[i]._delegate.metaWindow == win)
+                return;
+        }
+
+        let button = new WindowButton(win, this._perMonitor, this._monitor.index);
+        this.actor.layout_manager.pack(button.actor,
+                                       true, true, true,
+                                       Clutter.BoxAlignment.START,
+                                       Clutter.BoxAlignment.START);
+    }
+
+    _onWindowRemoved(ws, win) {
+        if (this._grouped)
+            this._checkGrouping();
+
+        // NOTE: if it's still grouped after `checking`, do nothing, window
+        // removal is managed by `AppButton` anyway.
+        if (this._grouped)
+            return;
+
+        if (win.get_compositor_private())
+            return; // not actually removed, just moved to another workspace
+
+        let children = this.actor.get_children();
+        for (let i = 0; i < children.length; i++) {
+            if (children[i]._delegate.metaWindow == win) {
+                children[i].destroy();
+                return;
+            }
+        }
+    }
+
+    _getPreferredUngroupedWindowListWidth() {
+        if (this.actor.get_n_children() == 0)
+            return this.actor.get_preferred_width(-1)[1];
+
+        let children = this.actor.get_children();
+        let [, childWidth] = children[0].get_preferred_width(-1);
+        let spacing = this.actor.layout_manager.spacing;
+
+        let workspace = global.screen.get_active_workspace();
+        let windows = global.display.get_tab_list(Meta.TabList.NORMAL, workspace);
+        if (this._perMonitor)
+            windows = windows.filter(w => w.get_monitor() == this._monitor.index);
+        let nWindows = windows.length;
+        if (nWindows == 0)
+            return this.actor.get_preferred_width(-1)[1];
+
+        return nWindows * childWidth + (nWindows - 1) * spacing;
+    }
+
+    _onWorkspacesChanged() {
+        let numWorkspaces = global.screen.n_workspaces;
+        for (let i = 0; i < numWorkspaces; i++) {
+            let workspace = global.screen.get_workspace_by_index(i);
+            if (this._workspaceSignals.has(workspace))
+                continue;
+
+            let signals = { windowAddedId: 0, windowRemovedId: 0 };
+            signals._windowAddedId =
+                workspace.connect_after('window-added',
+                                        this._onWindowAdded.bind(this));
+            signals._windowRemovedId =
+                workspace.connect('window-removed',
+                                  this._onWindowRemoved.bind(this));
+            this._workspaceSignals.set(workspace, signals);
+        }
+    }
+
+    _disconnectWorkspaceSignals() {
+        let numWorkspaces = global.screen.n_workspaces;
+        for (let i = 0; i < numWorkspaces; i++) {
+            let workspace = global.screen.get_workspace_by_index(i);
+            let signals = this._workspaceSignals.get(workspace);
+            this._workspaceSignals.delete(workspace);
+            workspace.disconnect(signals._windowAddedId);
+            workspace.disconnect(signals._windowRemovedId);
+        }
+    }
+
+    _onDestroy() {
+        Main.overview.disconnect(this._overviewHidingId);
+        this._overviewHidingId = 0;
+        Main.overview.disconnect(this._overviewShowingId);
+        this._overviewShowingId = 0;
+
+        global.screen.disconnect(this._nWorkspacesChangedId);
+        this._nWorkspacesChangedId = 0;
+        global.window_manager.disconnect(this._switchWorkspaceId);
+        this._switchWorkspaceId = 0;
+        this._disconnectWorkspaceSignals();
+
+        this._settings.disconnect(this._groupingModeChangedId);
+        this._groupingModeChangedId = 0;
+
+        this._appSystem.disconnect(this._appStateChangedId);
+        this._appStateChangedId = 0;
+
+        let windows = global.get_window_actors();
+        for (let i = 0; i < windows.length; i++)
+            windows[i].metaWindow.set_icon_geometry(null);
+    }
+};
+
+class SCExtension {
+    constructor() {
+        this._pureWinList = null;
+    }
+
+    enable() {
+        // NOTE For SLE Classic, a window list is shown on Main panel ONLY
+        let showOnAllMonitors = false;
+        // NOTE Use a guessed value passed to `PureWinList` as `checkGrouping`
+        // is run at a time the allocation of the panel boxes might not complete
+        // yet (and thus we get almost random width value). The other options
+        // are to duplicate the centerbox width calculation or change the order
+        // of grouping check code (way more complicated).
+        //
+        // This value is guessed *conservatively*. Further this value is used by
+        // AUTO grouping only.
+        //
+        // NOTE: no Promise is available
+        let panelCenterBoxWidth = Main.panel.actor.width * 0.8;
+
+        this._pureWinList = new PureWinList(showOnAllMonitors,
+                                            Main.layoutManager.primaryMonitor,
+                                            () => panelCenterBoxWidth );
+        Main.panel._centerBox.add(this._pureWinList.actor, {expand: true});
+        let _winListRefreshId = Main.panel._centerBox.connect(
+            'allocation-changed',
+            () => {
+                if (this._pureWinList == null)
+                    return;
+
+                this._pureWinList.initializeWindowList();
+                Main.panel._centerBox.disconnect(_winListRefreshId);
+            });
+        // NOTE: IMO, no need to rebuild `_pureWinList` when monitors changed.
+        // No need for `showOnAllMonitors` change either even this option
+        // changes.
+    }
+
+    disable() {
+        if (!this._pureWinList)
+            return;
+
+        this._pureWinList.actor.hide();
+        this._pureWinList.actor.destroy();
+
+        this._pureWinList = null;
+    }
+
+    // NOTE: this function is used for multiple window list situations, invalid for SCExtension case, let's return false.
+    someWindowListContains(actor) {
+        return false;
+    }
+};
 
 function _minimizeOrActivateWindow(window) {
         let focusWindow = global.display.focus_window;
@@ -1258,5 +1647,10 @@ class Extension {
 };
 
 function init() {
-    return new Extension();
+    if ( isSLEClassicMode() ){
+        return new SCExtension();
+    }
+    else {
+        return new Extension();
+    }
 }
Index: gnome-shell-extensions-3.27.91/extensions/window-list/stylesheet.css
===================================================================
--- gnome-shell-extensions-3.27.91.orig/extensions/window-list/stylesheet.css
+++ gnome-shell-extensions-3.27.91/extensions/window-list/stylesheet.css
@@ -79,6 +79,10 @@
   border: 1px solid #cccccc;
 }
 
+.bottom-panel-menu {
+  -boxpointer-gap: 4px;
+}
+
 .notification {
   font-weight: normal;
 }

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File gse-sle-classic-ext.patch of Package gnome-shell-extensions (Revision 46c882444c74bf03efd148b3ffada3f2)

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