[gnome-shell/overview-relayout: 6/22] dash: Reimplement the dash based on AppWell code



commit e00398e2ac7d5b4b0ed15ec85313b66e27a73771
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Jul 22 01:29:02 2010 +0200

    dash: Reimplement the dash based on AppWell code
    
    The new dash implementation is a single-column vertical sidebar,
    whose items are scaled dynamically to fit the available height.
    If the height is still exceeded after scaling down to a minimum
    item size, excess items are cut off.
    The now unused old dash implementation is renamed to OldDash, as
    its code will be used as a base for the new view selector element.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=634948

 data/Makefile.am                 |    1 +
 data/theme/gnome-shell.css       |   24 +++---
 data/theme/running-indicator.svg |   89 ++++++++++++++++++++
 js/ui/appDisplay.js              |  144 ++-------------------------------
 js/ui/dash.js                    |  165 +++++++++++++++++++++++++++++++++++++-
 js/ui/overview.js                |   14 +---
 6 files changed, 276 insertions(+), 161 deletions(-)
---
diff --git a/data/Makefile.am b/data/Makefile.am
index 68dcc1d..e17b0e7 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -32,6 +32,7 @@ dist_theme_DATA =				\
 	theme/move-window-on-new.svg		\
 	theme/process-working.png		\
 	theme/remove-workspace.svg		\
+	theme/running-indicator.svg		\
 	theme/scroll-button-down-hover.png	\
 	theme/scroll-button-down.png		\
 	theme/scroll-button-up-hover.png	\
diff --git a/data/theme/gnome-shell.css b/data/theme/gnome-shell.css
index 8c5c0d2..d2ce60d 100644
--- a/data/theme/gnome-shell.css
+++ b/data/theme/gnome-shell.css
@@ -371,7 +371,12 @@ StTooltip StLabel {
 #dash {
     color: #5f5f5f;
     font-size: 12px;
-    padding: 0px 14px;
+    padding: 12px;
+    spacing: 6px;
+    background-color: rgba(0, 0, 0, 0.5);
+    border: 2px solid rgba(128, 128, 128, 0.4);
+    border-left: 0px;
+    border-radius: 0px 9px 9px 0px;
 }
 
 #dashSections {
@@ -558,31 +563,26 @@ StTooltip StLabel {
 }
 
 .app-well-app {
-    border: 1px solid #181818;
     border-radius: 4px;
     padding: 4px;
-    width: 70px;
-    height: 70px;
     font-size: 10px;
+    color: white;
     transition-duration: 100;
     text-align: center;
 }
 
 .app-well-app.running {
-    background-gradient-direction: vertical;
-    background-gradient-start: #3d3d3d;
-    background-gradient-end: #181818;
+    text-shadow: black 0px 2px 2px;
+    background-image: url("running-indicator.svg");
 }
 
 .app-well-app.selected {
-    border: 1px solid #666666;
+    background: rgba(255,255,255,0.33);
 }
 
 .app-well-app:hover {
-    border: 1px solid #666666;
-    background-gradient-direction: vertical;
-    background-gradient-start: rgba(61,61,61,0.8);
-    background-gradient-end: rgba(24,24,24,0.2);
+    background: rgba(255,255,255,0.33);
+    text-shadow: black 0px 2px 2px;
     transition-duration: 100;
 }
 
diff --git a/data/theme/running-indicator.svg b/data/theme/running-indicator.svg
new file mode 100644
index 0000000..d721e64
--- /dev/null
+++ b/data/theme/running-indicator.svg
@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg";
+   xmlns="http://www.w3.org/2000/svg";
+   xmlns:xlink="http://www.w3.org/1999/xlink";
+   width="74.01342"
+   height="74.006706"
+   id="svg7355"
+   version="1.1">
+  <defs
+     id="defs7357">
+    <radialGradient
+       xlink:href="#linearGradient36429"
+       id="radialGradient7461"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.0525552,0,0,1.0525552,-2.5162753,-9.0000838)"
+       cx="47.878681"
+       cy="171.25"
+       fx="47.878681"
+       fy="171.25"
+       r="37" />
+    <linearGradient
+       id="linearGradient36429">
+      <stop
+         id="stop36431"
+         offset="0"
+         style="stop-color:#ffffff;stop-opacity:1;" />
+      <stop
+         id="stop36433"
+         offset="1"
+         style="stop-color:#ffffff;stop-opacity:0;" />
+    </linearGradient>
+    <radialGradient
+       xlink:href="#linearGradient36471"
+       id="radialGradient7463"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(1.1891549,0,0,0.55513246,-9.281289,36.12653)"
+       cx="49.067139"
+       cy="242.50381"
+       fx="49.067139"
+       fy="242.50381"
+       r="37.00671" />
+    <linearGradient
+       id="linearGradient36471">
+      <stop
+         id="stop36473"
+         offset="0"
+         style="stop-color:#ffffff;stop-opacity:1;" />
+      <stop
+         id="stop36475"
+         offset="1"
+         style="stop-color:#ffffff;stop-opacity:0;" />
+    </linearGradient>
+    <radialGradient
+       r="37.00671"
+       fy="242.50381"
+       fx="49.067139"
+       cy="242.50381"
+       cx="49.067139"
+       gradientTransform="matrix(1.1891549,0,0,0.55513246,-9.281289,36.12653)"
+       gradientUnits="userSpaceOnUse"
+       id="radialGradient7488"
+       xlink:href="#linearGradient36471" />
+  </defs>
+  <g
+     id="layer1"
+     transform="translate(-266.21629,-168.11809)">
+    <g
+       style="display:inline"
+       id="g30864"
+       transform="translate(255.223,70.118091)">
+      <rect
+         ry="3.5996203"
+         rx="3.5996203"
+         y="98"
+         x="11"
+         height="74"
+         width="74"
+         id="rect14000"
+         style="opacity:0.371875;fill:url(#radialGradient7461);fill-opacity:1;stroke:none" />
+      <path
+         id="rect34520"
+         d="m 84.506708,167.95508 c 6e-6,1.96759 -1.584022,3.55162 -3.551629,3.55163 l -65.910146,0 c -1.967608,-1e-5 -3.551648,-1.58402 -3.551643,-3.55164"
+         style="opacity:0.2;fill:none;stroke:url(#radialGradient7488);stroke-width:1;stroke-opacity:1" />
+    </g>
+  </g>
+</svg>
diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index 8c3330e..b9a3399 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -375,7 +375,9 @@ AppIcon.prototype = {
 
         let label = this.app.get_name();
 
-        IconGrid.BaseIcon.prototype._init.call(this, label);
+        IconGrid.BaseIcon.prototype._init.call(this,
+                                               label,
+                                               { setSizeManually: true });
     },
 
     createIcon: function(iconSize) {
@@ -396,8 +398,8 @@ AppWellIcon.prototype = {
                                          y_fill: true });
         this.actor._delegate = this;
 
-        this._icon = new AppIcon(app);
-        this.actor.set_child(this._icon.actor);
+        this.icon = new AppIcon(app);
+        this.actor.set_child(this.icon.actor);
 
         this.actor.connect('clicked', Lang.bind(this, this._onClicked));
 
@@ -581,13 +583,13 @@ AppWellIcon.prototype = {
     },
 
     getDragActor: function() {
-        return this.app.create_icon_texture(this._icon.iconSize);
+        return this.app.create_icon_texture(this.icon.iconSize);
     },
 
     // Returns the original actor that should align with the actor
     // we show as the item is being dragged.
     getDragActorSource: function() {
-        return this._icon.icon;
+        return this.icon.icon;
     }
 };
 Signals.addSignalMethods(AppWellIcon.prototype);
@@ -756,135 +758,3 @@ AppIconMenu.prototype = {
     }
 };
 Signals.addSignalMethods(AppIconMenu.prototype);
-
-function AppWell() {
-    this._init();
-}
-
-AppWell.prototype = {
-    _init : function() {
-        this._placeholderText = null;
-        this._menus = [];
-        this._menuDisplays = [];
-
-        this._favorites = [];
-
-        this._grid = new IconGrid.IconGrid();
-        this.actor = this._grid.actor;
-        this.actor._delegate = this;
-
-        this._workId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._redisplay));
-
-        this._tracker = Shell.WindowTracker.get_default();
-        this._appSystem = Shell.AppSystem.get_default();
-
-        this._appSystem.connect('installed-changed', Lang.bind(this, this._queueRedisplay));
-        AppFavorites.getAppFavorites().connect('changed', Lang.bind(this, this._queueRedisplay));
-        this._tracker.connect('app-state-changed', Lang.bind(this, this._queueRedisplay));
-    },
-
-    _appIdListToHash: function(apps) {
-        let ids = {};
-        for (let i = 0; i < apps.length; i++)
-            ids[apps[i].get_id()] = apps[i];
-        return ids;
-    },
-
-    _queueRedisplay: function () {
-        Main.queueDeferredWork(this._workId);
-    },
-
-    _redisplay: function () {
-        this._grid.removeAll();
-
-        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
-
-        /* hardcode here pending some design about how exactly desktop contexts behave */
-        let contextId = '';
-
-        let running = this._tracker.get_running_apps(contextId);
-        let runningIds = this._appIdListToHash(running);
-
-        let nFavorites = 0;
-        for (let id in favorites) {
-            let app = favorites[id];
-            let display = new AppWellIcon(app);
-            this._grid.addItem(display.actor);
-            nFavorites++;
-        }
-
-        for (let i = 0; i < running.length; i++) {
-            let app = running[i];
-            if (app.get_id() in favorites)
-                continue;
-            let display = new AppWellIcon(app);
-            this._grid.addItem(display.actor);
-        }
-        if (this._placeholderText) {
-            this._placeholderText.destroy();
-            this._placeholderText = null;
-        }
-
-        if (running.length == 0 && nFavorites == 0) {
-            this._placeholderText = new St.Label({ text: _("Drag here to add favorites") });
-            this.actor.add_actor(this._placeholderText);
-        }
-    },
-
-    handleDragOver : function(source, actor, x, y, time) {
-        let app = null;
-        if (source instanceof AppWellIcon)
-            app = this._appSystem.get_app(source.getId());
-        else if (source instanceof Workspace.WindowClone)
-            app = this._tracker.get_window_app(source.metaWindow);
-
-        // Don't allow favoriting of transient apps
-        if (app == null || app.is_transient())
-            return DND.DragMotionResult.NO_DROP;
-
-        let id = app.get_id();
-
-        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
-
-        let srcIsFavorite = (id in favorites);
-
-        if (srcIsFavorite)
-            return DND.DragMotionResult.NO_DROP;
-
-        return DND.DragMotionResult.COPY_DROP;
-    },
-
-    // Draggable target interface
-    acceptDrop : function(source, actor, x, y, time) {
-        let app = null;
-        if (source instanceof AppWellIcon) {
-            app = this._appSystem.get_app(source.getId());
-        } else if (source instanceof Workspace.WindowClone) {
-            app = this._tracker.get_window_app(source.metaWindow);
-        }
-
-        // Don't allow favoriting of transient apps
-        if (app == null || app.is_transient()) {
-            return false;
-        }
-
-        let id = app.get_id();
-
-        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
-
-        let srcIsFavorite = (id in favorites);
-
-        if (srcIsFavorite) {
-            return false;
-        } else {
-            Mainloop.idle_add(Lang.bind(this, function () {
-                AppFavorites.getAppFavorites().addFavorite(id);
-                return false;
-            }));
-        }
-
-        return true;
-    }
-};
-
-Signals.addSignalMethods(AppWell.prototype);
diff --git a/js/ui/dash.js b/js/ui/dash.js
index 530962b..a8f5cd8 100644
--- a/js/ui/dash.js
+++ b/js/ui/dash.js
@@ -4,11 +4,13 @@ const Clutter = imports.gi.Clutter;
 const Mainloop = imports.mainloop;
 const Signals = imports.signals;
 const Lang = imports.lang;
+const Shell = imports.gi.Shell;
 const St = imports.gi.St;
 const Gettext = imports.gettext.domain('gnome-shell');
 const _ = Gettext.gettext;
 
 const AppDisplay = imports.ui.appDisplay;
+const AppFavorites = imports.ui.appFavorites;
 const DND = imports.ui.dnd;
 const DocDisplay = imports.ui.docDisplay;
 const PlaceDisplay = imports.ui.placeDisplay;
@@ -16,6 +18,7 @@ const Main = imports.ui.main;
 const Overview = imports.ui.overview;
 const Search = imports.ui.search;
 const Tweener = imports.ui.tweener;
+const Workspace = imports.ui.workspace;
 
 // 25 search results (per result type) should be enough for everyone
 const MAX_RENDERED_SEARCH_RESULTS = 25;
@@ -689,11 +692,11 @@ Section.prototype = {
     }
 };
 
-function Dash() {
+function OldDash() {
     this._init();
 }
 
-Dash.prototype = {
+OldDash.prototype = {
     _init : function() {
         // dash and the popup panes need to be reactive so that the clicks in unoccupied places on them
         // are not passed to the transparent background underneath them. This background is used for the workspaces area when
@@ -911,3 +914,161 @@ Dash.prototype = {
     }
 };
 Signals.addSignalMethods(Dash.prototype);
+
+
+function Dash() {
+    this._init();
+}
+
+Dash.prototype = {
+    _init : function() {
+        this._placeholderText = null;
+        this._menus = [];
+        this._menuDisplays = [];
+        this._maxHeight = -1;
+
+        this._favorites = [];
+
+        this._box = new St.BoxLayout({ name: 'dash',
+                                       vertical: true,
+                                       clip_to_allocation: true });
+        this._box._delegate = this;
+
+        this.actor = new St.Bin({ y_align: St.Align.START, child: this._box });
+        this.actor.connect('notify::height', Lang.bind(this,
+            function() {
+                if (this._maxHeight != this.actor.height)
+                    this._queueRedisplay();
+                this._maxHeight = this.actor.height;
+            }));
+
+        this._workId = Main.initializeDeferredWork(this._box, Lang.bind(this, this._redisplay));
+
+        this._tracker = Shell.WindowTracker.get_default();
+        this._appSystem = Shell.AppSystem.get_default();
+
+        this._appSystem.connect('installed-changed', Lang.bind(this, this._queueRedisplay));
+        AppFavorites.getAppFavorites().connect('changed', Lang.bind(this, this._queueRedisplay));
+        this._tracker.connect('app-state-changed', Lang.bind(this, this._queueRedisplay));
+    },
+
+    _appIdListToHash: function(apps) {
+        let ids = {};
+        for (let i = 0; i < apps.length; i++)
+            ids[apps[i].get_id()] = apps[i];
+        return ids;
+    },
+
+    _queueRedisplay: function () {
+        Main.queueDeferredWork(this._workId);
+    },
+
+    _redisplay: function () {
+        this._box.hide();
+        this._box.remove_all();
+
+        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
+
+        /* hardcode here pending some design about how exactly desktop contexts behave */
+        let contextId = '';
+
+        let running = this._tracker.get_running_apps(contextId);
+        let runningIds = this._appIdListToHash(running);
+
+        for (let id in favorites) {
+            let app = favorites[id];
+            let display = new AppDisplay.AppWellIcon(app);
+            this._box.add(display.actor);
+        }
+
+        for (let i = 0; i < running.length; i++) {
+            let app = running[i];
+            if (app.get_id() in favorites)
+                continue;
+            let display = new AppDisplay.AppWellIcon(app);
+            this._box.add(display.actor);
+        }
+        if (this._placeholderText) {
+            this._placeholderText.destroy();
+            this._placeholderText = null;
+        }
+
+        let children = this._box.get_children();
+        if (children.length == 0) {
+            this._placeholderText = new St.Label({ text: _("Drag here to add favorites") });
+            this._box.add_actor(this._placeholderText);
+        } else if (this._maxHeight > -1) {
+            let iconSizes = [ 48, 32, 24, 22, 16 ];
+
+            for (let i = 0; i < iconSizes.length; i++) {
+                let minHeight, natHeight;
+
+                for (let j = 0; j < children.length; j++)
+                    children[j]._delegate.icon.setIconSize(iconSizes[i]);
+
+                [minHeight, natHeight] = this.actor.get_preferred_height(-1);
+
+                if (natHeight <= this._maxHeight)
+                    break;
+            }
+        }
+        this._box.show();
+    },
+
+    handleDragOver : function(source, actor, x, y, time) {
+        let app = null;
+        if (source instanceof AppDisplay.AppWellIcon)
+            app = this._appSystem.get_app(source.getId());
+        else if (source instanceof Workspace.WindowClone)
+            app = this._tracker.get_window_app(source.metaWindow);
+
+        // Don't allow favoriting of transient apps
+        if (app == null || app.is_transient())
+            return DND.DragMotionResult.NO_DROP;
+
+        let id = app.get_id();
+
+        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
+
+        let srcIsFavorite = (id in favorites);
+
+        if (srcIsFavorite)
+            return DND.DragMotionResult.NO_DROP;
+
+        return DND.DragMotionResult.COPY_DROP;
+    },
+
+    // Draggable target interface
+    acceptDrop : function(source, actor, x, y, time) {
+        let app = null;
+        if (source instanceof AppDisplay.AppWellIcon) {
+            app = this._appSystem.get_app(source.getId());
+        } else if (source instanceof Workspace.WindowClone) {
+            app = this._tracker.get_window_app(source.metaWindow);
+        }
+
+        // Don't allow favoriting of transient apps
+        if (app == null || app.is_transient()) {
+            return false;
+        }
+
+        let id = app.get_id();
+
+        let favorites = AppFavorites.getAppFavorites().getFavoriteMap();
+
+        let srcIsFavorite = (id in favorites);
+
+        if (srcIsFavorite) {
+            return false;
+        } else {
+            Mainloop.idle_add(Lang.bind(this, function () {
+                AppFavorites.getAppFavorites().addFavorite(id);
+                return false;
+            }));
+        }
+
+        return true;
+    }
+};
+
+Signals.addSignalMethods(Dash.prototype);
diff --git a/js/ui/overview.js b/js/ui/overview.js
index 3c398d0..d9f2695 100644
--- a/js/ui/overview.js
+++ b/js/ui/overview.js
@@ -319,15 +319,12 @@ Overview.prototype = {
         this._workspacesY = Math.floor(displayGridRowHeight + WORKSPACE_GRID_PADDING * (primary.height / primary.width));
 
         if (rtl) {
-            this._dash.actor.set_position(primary.width - displayGridColumnWidth, contentY);
+            this._dash.actor.set_position(primary.width - displayGridColumnWidth - WORKSPACE_GRID_PADDING / 2,
+                                          this._workspacesY);
         } else {
-            this._dash.actor.set_position(0, contentY);
+            this._dash.actor.set_position(0, this._workspacesY);
         }
-
-        this._dash.actor.set_size(displayGridColumnWidth, contentHeight);
-        this._dash.searchArea.height = this._workspacesY - contentY;
-        this._dash.sectionArea.height = this._workspacesHeight;
-        this._dash.searchResults.actor.height = this._workspacesHeight;
+        this._dash.actor.height = this._workspacesHeight;
 
         // place the 'Add Workspace' button in the bottom row of the grid
         this._workspacesBarX = this._workspacesX;
@@ -445,8 +442,6 @@ Overview.prototype = {
         this.visible = true;
         this.animationInProgress = true;
 
-        this._dash.show();
-
         /* TODO: make this stuff dynamic */
         this._workspacesManager =
             new WorkspacesView.WorkspacesManager(this._workspacesWidth,
@@ -615,7 +610,6 @@ Overview.prototype = {
 
         this._workspacesManager = null;
 
-        this._dash.hide();
         this._desktopFade.hide();
         this._background.hide();
         this._group.hide();



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