New workspaces view

Matching the 20091114 mockup, the default workspace view
is now a scrollable horizontal list, with a control to
switch between this and the previous grid view.

https://bugzilla.gnome.org/show_bug.cgi?id=593844
This commit is contained in:
Maxim Ermilov 2010-01-22 05:33:48 +03:00 committed by Colin Walters
parent 5aca0b7704
commit 20abc4cb99
14 changed files with 1870 additions and 590 deletions

View File

@ -21,16 +21,24 @@ dist_images_DATA = \
themedir = $(pkgdatadir)/theme
dist_theme_DATA = \
theme/gnome-shell.css \
theme/close.svg \
theme/add-workspace.svg \
theme/close-window.svg \
theme/scroll-button-down.png \
theme/close.svg \
theme/gnome-shell.css \
theme/mosaic-view-active.svg \
theme/mosaic-view.svg \
theme/remove-workspace.svg \
theme/scroll-button-down-hover.png \
theme/scroll-button-up.png \
theme/scroll-button-down.png \
theme/scroll-button-up-hover.png \
theme/scroll-button-up.png \
theme/scroll-vhandle.png \
theme/section-back.svg \
theme/section-more.svg
theme/section-more.svg \
theme/single-view-active.svg \
theme/single-view.svg \
theme/switch-scroll-hhandle.svg
schemadir = @GCONF_SCHEMA_FILE_DIR@
schema_DATA = gnome-shell.schemas

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@ -137,6 +137,24 @@ StTooltip {
color: white;
}
.workspaces-bar {
height: 60px;
}
.workspace-indicator {
width: 24px;
height: 15px;
background: rgba(155,155,155,0.8);
border-spacing: 15px;
}
.workspace-indicator-active {
width: 24px;
height: 15px;
background: rgba(255,255,255,0.8);
border-spacing: 15px;
}
.window-caption {
background: rgba(0,0,0,0.8);
border: 1px solid rgba(128,128,128,0.40);
@ -154,6 +172,67 @@ StTooltip {
-shell-close-overlap: 16px;
}
.single-view-add {
background-image: url("add-workspace.svg");
width: 24px;
height: 15px;
}
.single-view-remove {
background-image: url("remove-workspace.svg");
width: 24px;
height: 15px;
}
.switch-view-single {
background-image: url("single-view.svg");
width: 24px;
height: 15px;
}
.switch-view-mosaic {
background-image: url("mosaic-view.svg");
width: 24px;
height: 15px;
}
.switch-view-single:checked {
background-image: url("single-view-active.svg");
width: 24px;
height: 15px;
}
.switch-view-mosaic:checked {
background-image: url("mosaic-view-active.svg");
width: 24px;
height: 15px;
}
.scroll-separator {
width: 9px;
height: 15px;
}
#SwitchScroll {
height: 15px;
}
#SwitchScroll StBin{
border: 1px solid rgba(128,128,128,0.40);
border-radius: 5px;
}
#SwitchScroll StButton#hhandle {
border-image: url("switch-scroll-hhandle.svg") 5;
}
#SwitchScroll StButton#backward-stepper,
#SwitchScroll StButton#forward-stepper
{
width: 0px;
border: 0px;
}
/* Dash */
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View File

@ -30,4 +30,5 @@ dist_jsui_DATA = \
widget.js \
widgetBox.js \
windowManager.js \
workspaces.js
workspacesView.js \
workspace.js

View File

@ -19,7 +19,7 @@ const DND = imports.ui.dnd;
const GenericDisplay = imports.ui.genericDisplay;
const Main = imports.ui.main;
const Search = imports.ui.search;
const Workspaces = imports.ui.workspaces;
const Workspace = imports.ui.workspace;
const APPICON_SIZE = 48;
const WELL_MAX_COLUMNS = 8;
@ -697,7 +697,7 @@ AppIconMenu.prototype = {
},
_findMetaWindowForActor: function (actor) {
if (actor._delegate instanceof Workspaces.WindowClone)
if (actor._delegate instanceof Workspace.WindowClone)
return actor._delegate.metaWindow;
else if (actor.get_meta_window)
return actor.get_meta_window();
@ -1011,7 +1011,7 @@ AppWell.prototype = {
let app = null;
if (source instanceof AppDisplayItem) {
app = this._appSystem.get_app(source.getId());
} else if (source instanceof Workspaces.WindowClone) {
} else if (source instanceof Workspace.WindowClone) {
app = this._tracker.get_window_app(source.metaWindow);
}

View File

@ -8,6 +8,7 @@ const Mainloop = imports.mainloop;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const Lang = imports.lang;
const St = imports.gi.St;
const AppDisplay = imports.ui.appDisplay;
const DocDisplay = imports.ui.docDisplay;
@ -16,7 +17,7 @@ const Main = imports.ui.main;
const Panel = imports.ui.panel;
const Dash = imports.ui.dash;
const Tweener = imports.ui.tweener;
const Workspaces = imports.ui.workspaces;
const WorkspacesView = imports.ui.workspacesView;
const ROOT_OVERVIEW_COLOR = new Clutter.Color();
ROOT_OVERVIEW_COLOR.from_pixel(0x000000ff);
@ -76,7 +77,6 @@ const NUMBER_OF_SECTIONS_IN_SEARCH = 2;
let wideScreen = false;
let displayGridColumnWidth = null;
let displayGridRowHeight = null;
let addRemoveButtonSize = null;
function Overview() {
this._init();
@ -87,6 +87,9 @@ Overview.prototype = {
this._group = new Clutter.Group();
this._group._delegate = this;
this._workspacesViewSwitch = new WorkspacesView.WorkspacesViewSwitch();
this._workspacesViewSwitch.connect('view-changed', Lang.bind(this, this._onViewChanged));
this.visible = false;
this.animationInProgress = false;
this._hideInProgress = false;
@ -139,6 +142,45 @@ Overview.prototype = {
this._workspaces = null;
},
_createControlsBar: function() {
this._workspacesBar = new St.BoxLayout({ 'pack-start': true,
style_class: 'workspaces-bar' });
this._workspacesBar.move_by(this._workspacesBarX, this._workspacesBarY);
let controlsBar = this._workspacesViewSwitch.createControlsBar();
let bar = this._workspaces.createControllerBar();
this._workspacesBar.add(bar, { expand: true, 'x-fill': true, 'y-fill': true,
y_align: St.Align.MIDDLE, x_align: St.Align.START });
this._workspacesBar.add(controlsBar, {x_align: St.Align.END});
this._workspacesBar.width = this._workspacesBarWidth;
this._group.add_actor(this._workspacesBar);
this._workspacesBar.raise(this._workspaces.actor);
},
_onViewChanged: function() {
if (!this.visible)
return;
//Remove old worspacesView
this._group.remove_actor(this._workspacesBar);
this._workspaces.hide();
this._group.remove_actor(this._workspaces.actor);
this._workspaces.destroy();
this._workspacesBar.destroy();
this._workspaces = this._workspacesViewSwitch.createCurrentWorkspaceView(this._workspacesWidth, this._workspacesHeight,
this._workspacesX, this._workspacesY, false);
//Show new workspacesView
this._group.add_actor(this._workspaces.actor);
this._dash.actor.raise(this._workspaces.actor);
this._createControlsBar();
// Set new position and scale to workspaces.
this.emit('showing');
},
_recalculateGridSizes: function () {
let primary = global.get_primary_monitor();
wideScreen = (primary.width/primary.height > WIDE_SCREEN_CUT_OFF_RATIO) &&
@ -188,9 +230,9 @@ Overview.prototype = {
this._dash.searchResults.actor.height = this._workspacesHeight;
// place the 'Add Workspace' button in the bottom row of the grid
addRemoveButtonSize = Math.floor(displayGridRowHeight * 3/5);
this._addButtonX = this._workspacesX + this._workspacesWidth - addRemoveButtonSize;
this._addButtonY = primary.height - Math.floor(displayGridRowHeight * 4/5);
this._workspacesBarX = this._workspacesX;
this._workspacesBarWidth = primary.width - this._workspacesBarX - WORKSPACE_GRID_PADDING;
this._workspacesBarY = primary.height - displayGridRowHeight + 5;
// The parent (this._group) is positioned at the top left of the primary monitor
// while this._backOver occupies the entire screen.
@ -298,8 +340,8 @@ Overview.prototype = {
this._dash.show();
/* TODO: make this stuff dynamic */
this._workspaces = new Workspaces.Workspaces(this._workspacesWidth, this._workspacesHeight,
this._workspacesX, this._workspacesY);
this._workspaces = this._workspacesViewSwitch.createCurrentWorkspaceView(this._workspacesWidth, this._workspacesHeight,
this._workspacesX, this._workspacesY, true);
this._group.add_actor(this._workspaces.actor);
// The workspaces actor is as big as the screen, so we have to raise the dash above it
@ -307,11 +349,7 @@ Overview.prototype = {
// be as big as the screen.
this._dash.actor.raise(this._workspaces.actor);
// Create (+) button
this._addButton = new AddWorkspaceButton(addRemoveButtonSize, this._addButtonX, this._addButtonY, Lang.bind(this, this._acceptNewWorkspaceDrop));
this._addButton.actor.connect('button-release-event', Lang.bind(this, this._addNewWorkspace));
this._group.add_actor(this._addButton.actor);
this._addButton.actor.raise(this._workspaces.actor);
this._createControlsBar();
// All the the actors in the window group are completely obscured,
// hiding the group holding them while the Overview is displayed greatly
@ -363,9 +401,8 @@ Overview.prototype = {
this._activeDisplayPane.close();
this._workspaces.hide();
this._addButton.actor.destroy();
this._addButton.actor = null;
this._addButton = null;
this._workspacesBar.destroy();
this._workspacesBar = null;
// Create a zoom in effect by transforming the Overview group so that
// the active workspace fills up the whole screen. The opposite
@ -456,61 +493,6 @@ Overview.prototype = {
Main.popModal(this._dash.actor);
this.emit('hidden');
},
_addNewWorkspace: function() {
global.screen.append_new_workspace(false, global.get_current_time());
},
_acceptNewWorkspaceDrop: function(source, dropActor, x, y, time) {
this._addNewWorkspace();
return this._workspaces.acceptNewWorkspaceDrop(source, dropActor, x, y, time);
}
};
Signals.addSignalMethods(Overview.prototype);
// Note that mutter has a compile-time limit of 36
const MAX_WORKSPACES = 16;
function AddWorkspaceButton(buttonSize, buttonX, buttonY, acceptDropCallback) {
this._init(buttonSize, buttonX, buttonY, acceptDropCallback);
}
AddWorkspaceButton.prototype = {
_init: function(buttonSize, buttonX, buttonY, acceptDropCallback) {
this.actor = new Clutter.Group({ x: buttonX,
y: buttonY,
width: global.screen_width - buttonX,
height: global.screen_height - buttonY,
reactive: true });
this.actor._delegate = this;
this._acceptDropCallback = acceptDropCallback;
let plus = new Clutter.Texture({ x: 0,
y: 0,
width: buttonSize,
height: buttonSize });
plus.set_from_file(global.imagedir + 'add-workspace.svg');
this.actor.add_actor(plus);
global.screen.connect('notify::n-workspaces', Lang.bind(this, this._nWorkspacesChanged));
this._nWorkspacesChanged();
},
_nWorkspacesChanged: function() {
let canAddAnother = global.screen.n_workspaces < MAX_WORKSPACES;
if (canAddAnother && !this.actor.reactive) {
this.actor.reactive = true;
this.actor.opacity = 255;
} else if (!canAddAnother && this.actor.reactive) {
this.actor.reactive = false;
this.actor.opacity = 85;
}
},
// Draggable target interface
acceptDrop: function(source, actor, x, y, time) {
return this.reactive && this._acceptDropCallback(source, actor, x, y, time);
}
};

View File

@ -322,7 +322,7 @@ WindowOverlay.prototype = {
this._parentActor = parentActor;
let title = new St.Label({ style_class: "window-caption",
text : metaWindow.title });
text: metaWindow.title });
title.connect('style-changed',
Lang.bind(this, this._onStyleChanged));
title.clutter_text.ellipsize = Pango.EllipsizeMode.END;
@ -368,6 +368,8 @@ WindowOverlay.prototype = {
x, y);
if (actor == this._windowClone.actor) {
this.closeButton.show();
// Reposition the close button in case we've changed display modes
this._updatePositions();
}
this.title.show();
},
@ -375,7 +377,7 @@ WindowOverlay.prototype = {
fadeIn: function() {
this.title.opacity = 0;
this.title.show();
this.title.raise_top();
this._parentActor.raise_top();
Tweener.addTween(this.title,
{ opacity: 255,
time: Overview.ANIMATION_TIME,
@ -391,6 +393,12 @@ WindowOverlay.prototype = {
this.title.height + this.title._spacing;
},
_updatePositions: function() {
let [cloneX, cloneY] = this._windowClone.actor.get_transformed_position();
let [cloneWidth, cloneHeight] = this._windowClone.actor.get_transformed_size();
this.updatePositions(cloneX, cloneY, cloneWidth, cloneHeight);
},
/**
* @cloneX: x position of windowClone
* @cloneY: y position of windowClone
@ -460,7 +468,9 @@ WindowOverlay.prototype = {
},
_onEnter: function() {
this.closeButton.raise_top();
this._updatePositions();
this._parentActor.raise_top();
this.closeButton.show();
this.emit('show-close-button');
},
@ -510,6 +520,10 @@ WindowOverlay.prototype = {
Signals.addSignalMethods(WindowOverlay.prototype);
const WindowPositionFlags = {
ZOOM: 1 << 0,
ANIMATE: 1 << 1
};
/**
* @workspaceNum: Workspace index
@ -524,9 +538,14 @@ function Workspace(workspaceNum, parentActor) {
Workspace.prototype = {
_init : function(workspaceNum, parentActor) {
this.workspaceNum = workspaceNum;
this._windowOverlaysGroup = new Clutter.Group();
// Without this the drop area will be overlapped.
this._windowOverlaysGroup.set_size(0, 0);
this._metaWorkspace = global.screen.get_workspace_by_index(workspaceNum);
this.parentActor = parentActor;
parentActor.add_actor(this._windowOverlaysGroup);
this._parentActor = parentActor;
this.actor = new Clutter.Group();
this.actor._delegate = this;
@ -578,7 +597,6 @@ Workspace.prototype = {
this._windowRemovedId = this._metaWorkspace.connect('window-removed',
Lang.bind(this, this._windowRemoved));
this._removeButton = null;
this._visible = false;
this._frame = null;
@ -586,51 +604,6 @@ Workspace.prototype = {
this.leavingOverview = false;
},
updateRemovable : function() {
let removable = (this._windows.length == 1 /* just desktop */ &&
this.workspaceNum != 0 &&
this.workspaceNum == global.screen.n_workspaces - 1);
if (removable) {
if (this._removeButton)
return;
this._removeButton = new Clutter.Texture({ width: Overview.addRemoveButtonSize,
height: Overview.addRemoveButtonSize,
reactive: true
});
this._removeButton.set_from_file(global.imagedir + "remove-workspace.svg");
this._removeButton.connect('button-release-event', Lang.bind(this, this._removeSelf));
this.actor.add_actor(this._removeButton);
this._adjustRemoveButton();
this._adjustRemoveButtonId = this.actor.connect('notify::scale-x', Lang.bind(this, this._adjustRemoveButton));
if (this._visible) {
this._removeButton.set_opacity(0);
Tweener.addTween(this._removeButton,
{ opacity: 255,
time: Overview.ANIMATION_TIME,
transition: "easeOutQuad"
});
}
} else {
if (!this._removeButton)
return;
if (this._visible) {
Tweener.addTween(this._removeButton,
{ opacity: 0,
time: Overview.ANIMATION_TIME,
transition: "easeOutQuad",
onComplete: this._removeRemoveButton,
onCompleteScope: this
});
} else
this._removeRemoveButton();
}
},
_lookupIndex: function (metaWindow) {
let index, clone;
for (let i = 0; i < this._windows.length; i++) {
@ -661,7 +634,7 @@ Workspace.prototype = {
this._showOnlyWindows = showOnlyWindows;
this._resetCloneVisibility();
if (reposition)
this.positionWindows(false);
this.positionWindows(WindowPositionFlags.ANIMATE);
},
/**
@ -697,20 +670,6 @@ Workspace.prototype = {
this._lightbox.highlight(actor);
},
_adjustRemoveButton : function() {
this._removeButton.set_scale(1.0 / this.actor.scale_x,
1.0 / this.actor.scale_y);
this._removeButton.set_position(
(this.actor.width - this._removeButton.width / this.actor.scale_x) / 2,
(this.actor.height - this._removeButton.height / this.actor.scale_y) / 2);
},
_removeRemoveButton : function() {
this._removeButton.destroy();
this._removeButton = null;
this.actor.disconnect(this._adjustRemoveButtonId);
},
// Mark the workspace selected/not-selected
setSelected : function(selected) {
// Don't draw a frame if we only have one workspace
@ -1007,13 +966,18 @@ Workspace.prototype = {
/**
* positionWindows:
* @workspaceZooming: If true, then the workspace is moving at the same time and we need to take that into account.
* @flags:
* ZOOM - workspace is moving at the same time and we need to take that into account.
* ANIMATE - Indicates that we need animate changing position.
*/
positionWindows : function(workspaceZooming) {
positionWindows : function(flags) {
let totalVisible = 0;
let visibleWindows = this._getVisibleWindows();
let workspaceZooming = flags & WindowPositionFlags.ZOOM;
let animate = flags & WindowPositionFlags.ANIMATE;
// Start the animations
let slots = this._computeAllWindowSlots(visibleWindows.length);
visibleWindows = this._orderWindowsByMotionAndStartup(visibleWindows, slots);
@ -1028,18 +992,24 @@ Workspace.prototype = {
let [x, y, scale] = this._computeWindowRelativeLayout(metaWindow, slot);
overlay.hide();
Tweener.addTween(clone.actor,
{ x: x,
y: y,
scale_x: scale,
scale_y: scale,
workspace_relative: workspaceZooming ? this : null,
time: Overview.ANIMATION_TIME,
transition: "easeOutQuad",
onComplete: Lang.bind(this, function() {
this._fadeInWindowOverlay(clone, overlay);
})
});
if (animate) {
Tweener.addTween(clone.actor,
{ x: x,
y: y,
scale_x: scale,
scale_y: scale,
workspace_relative: workspaceZooming ? this : null,
time: Overview.ANIMATION_TIME,
transition: "easeOutQuad",
onComplete: Lang.bind(this, function() {
this._fadeInWindowOverlay(clone, overlay);
})
});
} else {
clone.actor.set_position(x, y);
clone.actor.set_scale(scale, scale);
this._fadeInWindowOverlay(clone, overlay);
}
}
},
@ -1127,8 +1097,7 @@ Workspace.prototype = {
}
clone.destroy();
this.positionWindows(false);
this.updateRemovable();
this.positionWindows(WindowPositionFlags.ANIMATE);
},
_windowAdded : function(metaWorkspace, metaWin) {
@ -1164,29 +1133,19 @@ Workspace.prototype = {
clone.actor.set_scale (scale, scale);
}
this.positionWindows(false);
this.updateRemovable();
this.positionWindows(WindowPositionFlags.ANIMATE);
},
// Animate the full-screen to Overview transition.
zoomToOverview : function() {
zoomToOverview : function(animate) {
this.actor.set_position(this.gridX, this.gridY);
this.actor.set_scale(this.scale, this.scale);
// Position and scale the windows.
this.positionWindows(true);
// Fade in the remove button if available, so that it doesn't appear
// too abrubtly and doesn't start at a too big size.
if (this._removeButton) {
Tweener.removeTweens(this._removeButton);
this._removeButton.opacity = 0;
Tweener.addTween(this._removeButton,
{ opacity: 255,
time: Overview.ANIMATION_TIME,
transition: 'easeOutQuad'
});
}
if (animate)
this.positionWindows(WindowPositionFlags.ANIMATE | WindowPositionFlags.ZOOM);
else
this.positionWindows(WindowPositionFlags.ZOOM);
this._visible = true;
},
@ -1200,17 +1159,6 @@ Workspace.prototype = {
Main.overview.connect('hidden', Lang.bind(this,
this._doneLeavingOverview));
// Fade out the remove button if available, so that it doesn't
// disappear too abrubtly and doesn't become too big.
if (this._removeButton) {
Tweener.removeTweens(this._removeButton);
Tweener.addTween(this._removeButton,
{ opacity: 0,
time: Overview.ANIMATION_TIME,
transition: 'easeOutQuad'
});
}
// Position and scale the windows.
for (let i = 1; i < this._windows.length; i++) {
let clone = this._windows[i];
@ -1296,6 +1244,7 @@ Workspace.prototype = {
Tweener.removeTweens(this.actor);
this.actor.destroy();
this.actor = null;
this._windowOverlaysGroup.destroy();
this._metaWorkspace.disconnect(this._windowAddedId);
this._metaWorkspace.disconnect(this._windowRemovedId);
@ -1321,7 +1270,7 @@ Workspace.prototype = {
// Create a clone of a (non-desktop) window and add it to the window list
_addWindowClone : function(win) {
let clone = new WindowClone(win);
let overlay = new WindowOverlay(clone, this.parentActor);
let overlay = new WindowOverlay(clone, this._windowOverlaysGroup);
clone.connect('selected',
Lang.bind(this, this._onCloneSelected));
@ -1421,399 +1370,3 @@ Workspace.prototype = {
};
Signals.addSignalMethods(Workspace.prototype);
function Workspaces(width, height, x, y) {
this._init(width, height, x, y);
}
Workspaces.prototype = {
_init : function(width, height, x, y) {
this.actor = new St.Bin({ style_class: "workspaces" });
this._actor = new Clutter.Group();
this.actor.add_actor(this._actor);
this._width = width;
this._height = height;
this._x = x;
this._y = y;
this._windowSelectionAppId = null;
this._workspaces = [];
this._highlightWindow = null;
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
let activeWorkspace;
// Create and position workspace objects
for (let w = 0; w < global.screen.n_workspaces; w++) {
this._addWorkspaceActor(w);
if (w == activeWorkspaceIndex) {
activeWorkspace = this._workspaces[w];
activeWorkspace.setSelected(true);
}
}
activeWorkspace.actor.raise_top();
this._positionWorkspaces();
let lastWorkspace = this._workspaces[this._workspaces.length - 1];
lastWorkspace.updateRemovable(true);
// Position/scale the desktop windows and their children after the
// workspaces have been created. This cannot be done first because
// window movement depends on the Workspaces object being accessible
// as an Overview member.
this._overviewShowingId =
Main.overview.connect('showing',
Lang.bind(this, function() {
this._onRestacked();
for (let w = 0; w < this._workspaces.length; w++)
this._workspaces[w].zoomToOverview();
}));
// Track changes to the number of workspaces
this._nWorkspacesNotifyId =
global.screen.connect('notify::n-workspaces',
Lang.bind(this, this._workspacesChanged));
this._switchWorkspaceNotifyId =
global.window_manager.connect('switch-workspace',
Lang.bind(this, this._activeWorkspaceChanged));
this._restackedNotifyId =
global.screen.connect('restacked',
Lang.bind(this, this._onRestacked));
},
_lookupWorkspaceForMetaWindow: function (metaWindow) {
for (let i = 0; i < this._workspaces.length; i++) {
if (this._workspaces[i].containsMetaWindow(metaWindow))
return this._workspaces[i];
}
return null;
},
_lookupCloneForMetaWindow: function (metaWindow) {
for (let i = 0; i < this._workspaces.length; i++) {
let clone = this._workspaces[i].lookupCloneForMetaWindow(metaWindow);
if (clone)
return clone;
}
return null;
},
setHighlightWindow: function (metaWindow) {
// Looping over all workspaces is easier than keeping track of the last
// highlighted window while trying to handle the window or workspace possibly
// going away.
for (let i = 0; i < this._workspaces.length; i++) {
this._workspaces[i].setHighlightWindow(null);
}
if (metaWindow != null) {
let workspace = this._lookupWorkspaceForMetaWindow(metaWindow);
workspace.setHighlightWindow(metaWindow);
}
},
_clearApplicationWindowSelection: function(reposition) {
if (this._windowSelectionAppId == null)
return;
this._windowSelectionAppId = null;
for (let i = 0; i < this._workspaces.length; i++) {
this._workspaces[i].setLightboxMode(false);
this._workspaces[i].setShowOnlyWindows(null, reposition);
}
},
/**
* setApplicationWindowSelection:
* @appid: Application identifier string
*
* Enter a mode which shows only the windows owned by the
* given application, and allow highlighting of a specific
* window with setHighlightWindow().
*/
setApplicationWindowSelection: function (appId) {
if (appId == null) {
this._clearApplicationWindowSelection(true);
return;
}
if (appId == this._windowSelectionAppId)
return;
this._windowSelectionAppId = appId;
let appSys = Shell.AppSystem.get_default();
let showOnlyWindows = {};
let app = appSys.get_app(appId);
let windows = app.get_windows();
for (let i = 0; i < windows.length; i++) {
showOnlyWindows[windows[i]] = 1;
}
for (let i = 0; i < this._workspaces.length; i++) {
this._workspaces[i].setLightboxMode(true);
this._workspaces[i].setShowOnlyWindows(showOnlyWindows, true);
}
},
/**
* activateWindowFromOverview:
* @metaWindow: A #MetaWindow
* @time: Integer even timestamp
*
* This function exits the overview, switching to the given @metaWindow.
* If an application filter is in effect, it will be cleared.
*/
activateWindowFromOverview: function (metaWindow, time) {
if (this._windowSelectionAppId != null) {
this._clearApplicationWindowSelection(false);
}
Main.activateWindow(metaWindow, time);
Main.overview.hide();
},
hide : function() {
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
let activeWorkspace = this._workspaces[activeWorkspaceIndex];
this._positionWorkspaces();
activeWorkspace.actor.raise_top();
for (let w = 0; w < this._workspaces.length; w++)
this._workspaces[w].zoomFromOverview();
},
destroy : function() {
for (let w = 0; w < this._workspaces.length; w++)
this._workspaces[w].destroy();
this._workspaces = [];
this.actor.destroy();
this.actor = null;
Main.overview.disconnect(this._overviewShowingId);
global.screen.disconnect(this._nWorkspacesNotifyId);
global.window_manager.disconnect(this._switchWorkspaceNotifyId);
global.screen.disconnect(this._restackedNotifyId);
},
getScale : function() {
return this._workspaces[0].scale;
},
// Get the grid position of the active workspace.
getActiveWorkspacePosition : function() {
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
let activeWorkspace = this._workspaces[activeWorkspaceIndex];
return [activeWorkspace.gridX, activeWorkspace.gridY];
},
// Assign grid positions to workspaces. We can't just do a simple
// row-major or column-major numbering, because we don't want the
// existing workspaces to get rearranged when we add a row or
// column. So we alternate between adding to rows and adding to
// columns. (So, eg, when going from a 2x2 grid of 4 workspaces to
// a 3x2 grid of 5 workspaces, the 4 existing workspaces stay
// where they are, and the 5th one is added to the end of the
// first row.)
//
// FIXME: need to make the metacity internal layout agree with this!
_positionWorkspaces : function() {
let gridWidth = Math.ceil(Math.sqrt(this._workspaces.length));
let gridHeight = Math.ceil(this._workspaces.length / gridWidth);
let wsWidth = (this._width - (gridWidth - 1) * GRID_SPACING) / gridWidth;
let wsHeight = (this._height - (gridHeight - 1) * GRID_SPACING) / gridHeight;
let scale = wsWidth / global.screen_width;
let span = 1, n = 0, row = 0, col = 0, horiz = true;
for (let w = 0; w < this._workspaces.length; w++) {
let workspace = this._workspaces[w];
workspace.gridRow = row;
workspace.gridCol = col;
workspace.gridX = this._x + workspace.gridCol * (wsWidth + GRID_SPACING);
workspace.gridY = this._y + workspace.gridRow * (wsHeight + GRID_SPACING);
workspace.scale = scale;
if (horiz) {
col++;
if (col == span) {
row = 0;
horiz = false;
}
} else {
row++;
if (row == span) {
col = 0;
horiz = true;
span++;
}
}
}
},
_workspacesChanged : function() {
let oldNumWorkspaces = this._workspaces.length;
let newNumWorkspaces = global.screen.n_workspaces;
if (oldNumWorkspaces == newNumWorkspaces)
return;
let oldScale = this._workspaces[0].scale;
let oldGridWidth = Math.ceil(Math.sqrt(oldNumWorkspaces));
let oldGridHeight = Math.ceil(oldNumWorkspaces / oldGridWidth);
let lostWorkspaces = [];
// The old last workspace is no longer removable.
this._workspaces[oldNumWorkspaces - 1].updateRemovable();
if (newNumWorkspaces > oldNumWorkspaces) {
// Create new workspace groups
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
this._addWorkspaceActor(w);
}
} else {
// Truncate the list of workspaces
// FIXME: assumes that the workspaces are being removed from
// the end of the list, not the start/middle
lostWorkspaces = this._workspaces.splice(newNumWorkspaces);
}
// The new last workspace may be removable
let newLastWorkspace = this._workspaces[this._workspaces.length - 1];
newLastWorkspace.updateRemovable();
// Figure out the new layout
this._positionWorkspaces();
let newScale = this._workspaces[0].scale;
let newGridWidth = Math.ceil(Math.sqrt(newNumWorkspaces));
let newGridHeight = Math.ceil(newNumWorkspaces / newGridWidth);
if (newGridWidth != oldGridWidth || newGridHeight != oldGridHeight) {
// We need to resize/move the existing workspaces/windows
let existingWorkspaces = Math.min(oldNumWorkspaces, newNumWorkspaces);
for (let w = 0; w < existingWorkspaces; w++)
this._workspaces[w].resizeToGrid(oldScale);
}
if (newScale != oldScale) {
// The workspace scale affects window size/positioning because we clamp
// window size to a 1:1 ratio and never scale them up
let existingWorkspaces = Math.min(oldNumWorkspaces, newNumWorkspaces);
for (let w = 0; w < existingWorkspaces; w++)
this._workspaces[w].positionWindows(false);
}
if (newNumWorkspaces > oldNumWorkspaces) {
// Slide new workspaces in from offscreen
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++)
this._workspaces[w].slideIn(oldScale);
} else {
// Slide old workspaces out
for (let w = 0; w < lostWorkspaces.length; w++) {
let workspace = lostWorkspaces[w];
workspace.slideOut(function () { workspace.destroy(); });
}
// FIXME: deal with windows on the lost workspaces
}
// Reset the selection state; if we went from > 1 workspace to 1,
// this has the side effect of removing the frame border
let activeIndex = global.screen.get_active_workspace_index();
this._workspaces[activeIndex].setSelected(true);
},
_activeWorkspaceChanged : function(wm, from, to, direction) {
this._workspaces[from].setSelected(false);
this._workspaces[to].setSelected(true);
},
_addWorkspaceActor : function(workspaceNum) {
let workspace = new Workspace(workspaceNum, this._actor);
this._workspaces[workspaceNum] = workspace;
this._actor.add_actor(workspace.actor);
},
_onRestacked: function() {
let stack = global.get_windows();
let stackIndices = {};
for (let i = 0; i < stack.length; i++) {
// Use the stable sequence for an integer to use as a hash key
stackIndices[stack[i].get_meta_window().get_stable_sequence()] = i;
}
for (let i = 0; i < this._workspaces.length; i++)
this._workspaces[i].syncStacking(stackIndices);
},
// Handles a drop onto the (+) button; assumes the new workspace
// has already been added
acceptNewWorkspaceDrop : function(source, dropActor, x, y, time) {
return this._workspaces[this._workspaces.length - 1].acceptDrop(source, dropActor, x, y, time);
}
};
// Create a SpecialPropertyModifier to let us move windows in a
// straight line on the screen even though their containing workspace
// is also moving.
Tweener.registerSpecialPropertyModifier("workspace_relative", _workspaceRelativeModifier, _workspaceRelativeGet);
function _workspaceRelativeModifier(workspace) {
let [startX, startY] = Main.overview.getPosition();
let overviewPosX, overviewPosY, overviewScale;
if (!workspace)
return [];
if (workspace.leavingOverview) {
let [zoomedInX, zoomedInY] = Main.overview.getZoomedInPosition();
overviewPosX = { begin: startX, end: zoomedInX };
overviewPosY = { begin: startY, end: zoomedInY };
overviewScale = { begin: Main.overview.getScale(),
end: Main.overview.getZoomedInScale() };
} else {
overviewPosX = { begin: startX, end: 0 };
overviewPosY = { begin: startY, end: 0 };
overviewScale = { begin: Main.overview.getScale(), end: 1 };
}
return [ { name: "x",
parameters: { workspacePos: workspace.gridX,
overviewPos: overviewPosX,
overviewScale: overviewScale } },
{ name: "y",
parameters: { workspacePos: workspace.gridY,
overviewPos: overviewPosY,
overviewScale: overviewScale } }
];
}
function _workspaceRelativeGet(begin, end, time, params) {
let curOverviewPos = (1 - time) * params.overviewPos.begin +
time * params.overviewPos.end;
let curOverviewScale = (1 - time) * params.overviewScale.begin +
time * params.overviewScale.end;
// Calculate the screen position of the window.
let screen = (1 - time) *
((begin + params.workspacePos) * params.overviewScale.begin +
params.overviewPos.begin) +
time *
((end + params.workspacePos) * params.overviewScale.end +
params.overviewPos.end);
// Return the workspace coordinates.
return (screen - curOverviewPos) / curOverviewScale - params.workspacePos;
}

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Big = imports.gi.Big;
const Clutter = imports.gi.Clutter;
const GdkPixbuf = imports.gi.GdkPixbuf;
const Gdk = imports.gi.Gdk;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
const Pango = imports.gi.Pango;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Signals = imports.signals;
const DND = imports.ui.dnd;
const Lightbox = imports.ui.lightbox;
const Main = imports.ui.main;
const Overview = imports.ui.overview;
const Panel = imports.ui.panel;
const Tweener = imports.ui.tweener;
const Workspace = imports.ui.workspace;
const WORKSPACE_SWITCH_TIME = 0.25;
// Note that mutter has a compile-time limit of 36
const MAX_WORKSPACES = 16;
const GRID_SPACING = 15;
const WorkspacesViewType = {
SINGLE: 0,
MOSAIC: 1
};
function GenericWorkspacesView(width, height, x, y, animate) {
this._init(width, height, x, y, animate);
}
GenericWorkspacesView.prototype = {
_init: function(width, height, x, y, animate) {
this.actor = new St.Bin({ style_class: "workspaces" });
this._actor = new Clutter.Group();
this.actor.add_actor(this._actor);
this._width = width;
this._height = height;
this._x = x;
this._y = y;
this._windowSelectionAppId = null;
this._workspaces = [];
this._highlightWindow = null;
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
// Create and position workspace objects
for (let w = 0; w < global.screen.n_workspaces; w++) {
this._addWorkspaceActor(w);
}
this._workspaces[activeWorkspaceIndex].actor.raise_top();
this._positionWorkspaces();
// Position/scale the desktop windows and their children after the
// workspaces have been created. This cannot be done first because
// window movement depends on the Workspaces object being accessible
// as an Overview member.
this._overviewShowingId =
Main.overview.connect('showing',
Lang.bind(this, function() {
this._onRestacked();
for (let w = 0; w < this._workspaces.length; w++)
this._workspaces[w].zoomToOverview(animate);
}));
// Track changes to the number of workspaces
this._nWorkspacesNotifyId =
global.screen.connect('notify::n-workspaces',
Lang.bind(this, this._workspacesChanged));
this._switchWorkspaceNotifyId =
global.window_manager.connect('switch-workspace',
Lang.bind(this, this._activeWorkspaceChanged));
this._restackedNotifyId =
global.screen.connect('restacked',
Lang.bind(this, this._onRestacked));
},
_lookupWorkspaceForMetaWindow: function (metaWindow) {
for (let i = 0; i < this._workspaces.length; i++) {
if (this._workspaces[i].containsMetaWindow(metaWindow))
return this._workspaces[i];
}
return null;
},
_lookupCloneForMetaWindow: function (metaWindow) {
for (let i = 0; i < this._workspaces.length; i++) {
let clone = this._workspaces[i].lookupCloneForMetaWindow(metaWindow);
if (clone)
return clone;
}
return null;
},
setHighlightWindow: function (metaWindow) {
// Looping over all workspaces is easier than keeping track of the last
// highlighted window while trying to handle the window or workspace possibly
// going away.
for (let i = 0; i < this._workspaces.length; i++) {
this._workspaces[i].setHighlightWindow(null);
}
if (metaWindow != null) {
let workspace = this._lookupWorkspaceForMetaWindow(metaWindow);
workspace.setHighlightWindow(metaWindow);
}
},
_clearApplicationWindowSelection: function(reposition) {
if (this._windowSelectionAppId == null)
return;
this._windowSelectionAppId = null;
for (let i = 0; i < this._workspaces.length; i++) {
this._workspaces[i].setLightboxMode(false);
this._workspaces[i].setShowOnlyWindows(null, reposition);
}
},
/**
* setApplicationWindowSelection:
* @appid: Application identifier string
*
* Enter a mode which shows only the windows owned by the
* given application, and allow highlighting of a specific
* window with setHighlightWindow().
*/
setApplicationWindowSelection: function (appId) {
if (appId == null) {
this._clearApplicationWindowSelection(true);
return;
}
if (appId == this._windowSelectionAppId)
return;
this._windowSelectionAppId = appId;
let appSys = Shell.AppSystem.get_default();
let showOnlyWindows = {};
let app = appSys.get_app(appId);
let windows = app.get_windows();
for (let i = 0; i < windows.length; i++) {
showOnlyWindows[windows[i]] = 1;
}
for (let i = 0; i < this._workspaces.length; i++) {
this._workspaces[i].setLightboxMode(true);
this._workspaces[i].setShowOnlyWindows(showOnlyWindows, true);
}
},
/**
* activateWindowFromOverview:
* @metaWindow: A #MetaWindow
* @time: Integer even timestamp
*
* This function exits the overview, switching to the given @metaWindow.
* If an application filter is in effect, it will be cleared.
*/
activateWindowFromOverview: function (metaWindow, time) {
if (this._windowSelectionAppId != null) {
this._clearApplicationWindowSelection(false);
}
Main.activateWindow(metaWindow, time);
Main.overview.hide();
},
hide: function() {
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
let activeWorkspace = this._workspaces[activeWorkspaceIndex];
this._positionWorkspaces();
activeWorkspace.actor.raise_top();
for (let w = 0; w < this._workspaces.length; w++)
this._workspaces[w].zoomFromOverview();
},
destroy: function() {
for (let w = 0; w < this._workspaces.length; w++)
this._workspaces[w].destroy();
this._workspaces = [];
this.actor.destroy();
this.actor = null;
Main.overview.disconnect(this._overviewShowingId);
global.screen.disconnect(this._nWorkspacesNotifyId);
global.window_manager.disconnect(this._switchWorkspaceNotifyId);
global.screen.disconnect(this._restackedNotifyId);
},
getScale: function() {
return this._workspaces[0].scale;
},
_onRestacked: function() {
let stack = global.get_windows();
let stackIndices = {};
for (let i = 0; i < stack.length; i++) {
// Use the stable sequence for an integer to use as a hash key
stackIndices[stack[i].get_meta_window().get_stable_sequence()] = i;
}
for (let i = 0; i < this._workspaces.length; i++)
this._workspaces[i].syncStacking(stackIndices);
},
// Handles a drop onto the (+) button; assumes the new workspace
// has already been added
acceptNewWorkspaceDrop: function(source, dropActor, x, y, time) {
return this._workspaces[this._workspaces.length - 1].acceptDrop(source, dropActor, x, y, time);
},
// Get the grid position of the active workspace.
getActiveWorkspacePosition: function() {
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
let activeWorkspace = this._workspaces[activeWorkspaceIndex];
return [activeWorkspace.gridX, activeWorkspace.gridY];
},
createControllerBar: function() {
throw new Error("Not implemented");
},
_positionWorkspaces: function() {
throw new Error("Not implemented");
},
_workspacesChanged: function() {
throw new Error("Not implemented");
},
_activeWorkspaceChanged: function() {
throw new Error("Not implemented");
},
_addWorkspaceActor: function() {
throw new Error("Not implemented");
}
}
function MosaicView(width, height, x, y, animate) {
this._init(width, height, x, y, animate);
}
MosaicView.prototype = {
__proto__: GenericWorkspacesView.prototype,
_init: function(width, height, x, y, animate) {
GenericWorkspacesView.prototype._init.call(this, width, height, x, y, animate);
this._workspaces[global.screen.get_active_workspace_index()].setSelected(true);
this._removeButton = null;
this._addButton = null;
},
// Assign grid positions to workspaces. We can't just do a simple
// row-major or column-major numbering, because we don't want the
// existing workspaces to get rearranged when we add a row or
// column. So we alternate between adding to rows and adding to
// columns. (So, eg, when going from a 2x2 grid of 4 workspaces to
// a 3x2 grid of 5 workspaces, the 4 existing workspaces stay
// where they are, and the 5th one is added to the end of the
// first row.)
//
// FIXME: need to make the metacity internal layout agree with this!
_positionWorkspaces: function() {
let gridWidth = Math.ceil(Math.sqrt(this._workspaces.length));
let gridHeight = Math.ceil(this._workspaces.length / gridWidth);
let wsWidth = (this._width - (gridWidth - 1) * GRID_SPACING) / gridWidth;
let wsHeight = (this._height - (gridHeight - 1) * GRID_SPACING) / gridHeight;
let scale = wsWidth / global.screen_width;
let span = 1, n = 0, row = 0, col = 0, horiz = true;
for (let w = 0; w < this._workspaces.length; w++) {
let workspace = this._workspaces[w];
workspace.gridRow = row;
workspace.gridCol = col;
workspace.gridX = this._x + workspace.gridCol * (wsWidth + GRID_SPACING);
workspace.gridY = this._y + workspace.gridRow * (wsHeight + GRID_SPACING);
workspace.scale = scale;
if (horiz) {
col++;
if (col == span) {
row = 0;
horiz = false;
}
} else {
row++;
if (row == span) {
col = 0;
horiz = true;
span++;
}
}
}
},
_workspacesChanged: function() {
let oldNumWorkspaces = this._workspaces.length;
let newNumWorkspaces = global.screen.n_workspaces;
if (oldNumWorkspaces == newNumWorkspaces)
return;
let oldScale = this._workspaces[0].scale;
let oldGridWidth = Math.ceil(Math.sqrt(oldNumWorkspaces));
let oldGridHeight = Math.ceil(oldNumWorkspaces / oldGridWidth);
let lostWorkspaces = [];
// The old last workspace is no longer removable.
if (newNumWorkspaces > oldNumWorkspaces) {
// Create new workspace groups
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
this._addWorkspaceActor(w);
}
} else {
// Truncate the list of workspaces
// FIXME: assumes that the workspaces are being removed from
// the end of the list, not the start/middle
lostWorkspaces = this._workspaces.splice(newNumWorkspaces);
}
// The new last workspace may be removable
let newLastWorkspace = this._workspaces[this._workspaces.length - 1];
// Figure out the new layout
this._positionWorkspaces();
let newScale = this._workspaces[0].scale;
let newGridWidth = Math.ceil(Math.sqrt(newNumWorkspaces));
let newGridHeight = Math.ceil(newNumWorkspaces / newGridWidth);
if (newGridWidth != oldGridWidth || newGridHeight != oldGridHeight) {
// We need to resize/move the existing workspaces/windows
let existingWorkspaces = Math.min(oldNumWorkspaces, newNumWorkspaces);
for (let w = 0; w < existingWorkspaces; w++)
this._workspaces[w].resizeToGrid(oldScale);
}
if (newScale != oldScale) {
// The workspace scale affects window size/positioning because we clamp
// window size to a 1:1 ratio and never scale them up
let existingWorkspaces = Math.min(oldNumWorkspaces, newNumWorkspaces);
for (let w = 0; w < existingWorkspaces; w++)
this._workspaces[w].positionWindows(Workspace.WindowPositionFlags.ANIMATE);
}
if (newNumWorkspaces > oldNumWorkspaces) {
// Slide new workspaces in from offscreen
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++)
this._workspaces[w].slideIn(oldScale);
} else {
// Slide old workspaces out
for (let w = 0; w < lostWorkspaces.length; w++) {
let workspace = lostWorkspaces[w];
workspace.slideOut(function () { workspace.destroy(); });
}
// FIXME: deal with windows on the lost workspaces
}
// Reset the selection state; if we went from > 1 workspace to 1,
// this has the side effect of removing the frame border
let activeIndex = global.screen.get_active_workspace_index();
this._workspaces[activeIndex].setSelected(true);
this._updateButtonsVisibility();
},
_activeWorkspaceChanged: function(wm, from, to, direction) {
this._workspaces[from].setSelected(false);
this._workspaces[to].setSelected(true);
},
_addWorkspaceActor: function(workspaceNum) {
let workspace = new Workspace.Workspace(workspaceNum, this._actor);
this._workspaces[workspaceNum] = workspace;
this._actor.add_actor(workspace.actor);
},
createControllerBar: function() {
let actor = new St.BoxLayout({ 'pack-start': true });
let bin = new St.Bin();
let addButton = new St.Button({ style_class: "single-view-add" });
this._addButton = addButton;
addButton.connect('clicked', Lang.bind(this, this._addNewWorkspace));
addButton._delegate = addButton;
addButton._delegate.acceptDrop = Lang.bind(this, function(source, actor, x, y, time) {
return this._acceptNewWorkspaceDrop(source, actor, x, y, time);
});
actor.add(bin, { x_align: St.Align.END });
bin.set_child(addButton);
bin.set_alignment(St.Align.END, St.Align.START);
bin = new St.Bin();
let removeButton = new St.Button({ style_class: "single-view-remove" });
this._removeButton = removeButton;
removeButton.connect('clicked', Lang.bind(this, function() {
if (this._workspaces.length <= 1)
return;
global.screen.remove_workspace(this._workspaces[this._workspaces.length - 1]._metaWorkspace, global.get_current_time());
}));
actor.add(bin, { expand: true, x_fill: true, x_align: St.Align.END });
this._updateButtonsVisibility();
bin.set_child(removeButton);
bin.set_alignment(St.Align.END, St.Align.START);
return actor;
},
_updateButtonsVisibility: function() {
//_removeButton may yet not exist.
if (this._removeButton == null)
return;
if (global.screen.n_workspaces == 1)
this._removeButton.hide();
else
this._removeButton.show();
if (this._addButton == null)
return;
if (global.screen.n_workspaces >= MAX_WORKSPACES)
this._addButton.hide();
else
this._addButton.show();
},
_addNewWorkspace: function() {
global.screen.append_new_workspace(false, global.get_current_time());
},
_acceptNewWorkspaceDrop: function(source, dropActor, x, y, time) {
this._addNewWorkspace();
return this.acceptNewWorkspaceDrop(source, dropActor, x, y, time);
}
};
// Create a SpecialPropertyModifier to let us move windows in a
// straight line on the screen even though their containing workspace
// is also moving.
Tweener.registerSpecialPropertyModifier("workspace_relative", _workspaceRelativeModifier, _workspaceRelativeGet);
function SingleView(width, height, x, y, animate) {
this._init(width, height, x, y, animate);
}
SingleView.prototype = {
__proto__: GenericWorkspacesView.prototype,
_init: function(width, height, x, y, animate) {
this._scroll = null;
GenericWorkspacesView.prototype._init.call(this, width, height, x, y, animate);
this._actor.set_clip(x, y, width, height);
this._addButton = null;
this._removeButton = null;
this._indicatorsPanel = null;
this._indicatorsPanelWidth = null;
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
for (let w = 0; w < this._workspaces.length; w++) {
if (w != activeWorkspaceIndex) {
this._workspaces[w].actor.hide();
continue;
}
this._workspaces[w].actor.show();
this._workspaces[w]._windowOverlaysGroup.show();
}
},
_positionWorkspaces: function() {
let position = global.screen.get_active_workspace_index();
let scale = this._width / global.screen_width;
if (this._scroll != null)
position = this._scroll.adjustment.value;
let isInt = (Math.round(position) === position);
for (let w = 0; w < this._workspaces.length; w++) {
let workspace = this._workspaces[w];
workspace.gridRow = 0;
workspace.gridCol = 0;
workspace.scale = scale;
workspace.actor.set_scale(scale, scale);
workspace.gridX = this._x + (w - position) * workspace.actor.width;
workspace.gridY = this._y;
workspace.actor.set_position(workspace.gridX, workspace.gridY);
if (isInt) {
if (this.actor.get_stage() != null)
workspace.positionWindows(0);
if (w == position) {
workspace._windowOverlaysGroup.show();
workspace.actor.show();
} else {
workspace._windowOverlaysGroup.hide();
workspace.actor.hide();
}
} else {
workspace._windowOverlaysGroup.hide();
if (Math.abs(w - position) <= 1)
workspace.actor.show();
else
workspace.actor.hide();
}
}
},
_workspacesChanged: function() {
let oldNumWorkspaces = this._workspaces.length;
let newNumWorkspaces = global.screen.n_workspaces;
if (oldNumWorkspaces == newNumWorkspaces)
return;
if (this._scroll != null) {
let adj = this._scroll.get_adjustment();
adj.upper = newNumWorkspaces;
this._scroll.adjustment = adj;
}
let lostWorkspaces = [];
if (newNumWorkspaces > oldNumWorkspaces) {
// Create new workspace groups
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
this._addWorkspaceActor(w);
this._workspaces[w].actor.hide();
}
} else {
for (let i = 0; i < this._workspaces.length; i++)
this._workspaces[i].destroy();
this._actor.remove_all();
//Without this will be a lot of warnings
this._actor.hide();
this._workspaces = [];
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
for (let w = 0; w < global.screen.n_workspaces; w++) {
this._addWorkspaceActor(w);
if (w == activeWorkspaceIndex) {
this._workspaces[w].actor.show();
} else {
this._workspaces[w].actor.hide();
}
}
this._actor.show();
}
this._positionWorkspaces();
// Reset the selection state; if we went from > 1 workspace to 1,
// this has the side effect of removing the frame border
let activeIndex = global.screen.get_active_workspace_index();
this._workspaces[activeIndex].actor.show();
this._workspaces[activeIndex]._windowOverlaysGroup.show();
this._updatePanelVisibility();
},
_activeWorkspaceChanged: function(wm, from, to, direction) {
this._updatePanelVisibility();
let showAnimation = true;
if (this._scroll != null) {
let adj = this._scroll.get_adjustment();
if (Math.round(adj.value - to) != adj.value - to)
showAnimation = false;
if (adj.value - to == 0)
showAnimation = false;
adj.value = to;
this._scroll.adjustment = adj;
}
if (showAnimation) {
let fx;
if (from > to) {
fx = this._workspaces[0].actor.width;
} else {
fx = -this._workspaces[0].actor.width;
}
this._workspaces[from]._windowOverlaysGroup.hide();
this._workspaces[to].actor.set_position(this._x - fx, this._workspaces[to].gridY);
this._workspaces[to].actor.show();
Tweener.addTween(this._workspaces[to].actor,
{ x: this._x,
transition: 'easeOutQuad',
time: WORKSPACE_SWITCH_TIME
});
Tweener.addTween(this._workspaces[from].actor,
{ x: this._x + fx,
transition: 'easeOutQuad',
time: WORKSPACE_SWITCH_TIME,
onComplete: this._positionWorkspaces,
onCompleteScope: this
});
} else
this._positionWorkspaces();
},
_addWorkspaceActor: function(workspaceNum) {
let workspace = new Workspace.Workspace(workspaceNum, this._actor);
this._actor.add_actor(workspace.actor);
workspace._windowOverlaysGroup.hide();
this._workspaces[workspaceNum] = workspace;
},
createControllerBar: function() {
let panel = new St.BoxLayout({ 'pack-start': true, vertical: true });
let actor = new St.BoxLayout({ 'pack-start': true });
let adj = new St.Adjustment({ value: global.screen.get_active_workspace_index(),
lower: 0,
'page-increment': 1,
'page-size': 1,
'step-increment': 1,
upper: this._workspaces.length });
this._scroll = new St.ScrollBar({ adjustment: null, vertical: false, name: 'SwitchScroll' });
this._scroll.connect('notify::adjustment', Lang.bind(this, function() {
this._scroll.adjustment.connect('notify::value', Lang.bind(this, function () {
if (Math.abs(Math.round(this._scroll.adjustment.value) - this._scroll.adjustment.value) < 0.1) {
this._scroll.adjustment.set_value (Math.round(this._scroll.adjustment.value));
this._workspaces[Math.round(this._scroll.adjustment.value)]._metaWorkspace.activate(global.get_current_time());
} else
this._positionWorkspaces();
}));
}));
this._scroll.adjustment = adj;
let addButton = new St.Button({ style_class: "single-view-add" });
this._addButton = addButton;
addButton.connect('clicked', Lang.bind(this, this._addNewWorkspace));
addButton._delegate = addButton;
addButton._delegate.acceptDrop = Lang.bind(this, function(source, actor, x, y, time) {
return this._acceptNewWorkspaceDrop(source, actor, x, y, time);
});
actor.add(addButton, {x_align: St.Align.END, y_align: St.Align.START, 'y-fill': false});
let removeButton = new St.Button({ style_class: "single-view-remove" });
this._removeButton = removeButton;
removeButton.connect('clicked', Lang.bind(this, function() {
if (this._workspaces.length <= 1)
return;
let index = global.screen.get_active_workspace_index();
if (index == 0)
return;
global.screen.remove_workspace(this._workspaces[index]._metaWorkspace, global.get_current_time());
}));
actor.add(removeButton, { x_align: St.Align.END, y_align: St.Align.START, 'y-fill': false });
this._updatePanelVisibility();
panel.add(this._createPositionalIndicator(), {expand: true, 'x-fill': true, 'y-fill': true});
panel.add(this._scroll, { expand: true,
'x-fill': true,
'y-fill': false,
y_align: St.Align.START });
// backward-stepper/forward-stepper has const width (= height)
let separator = new St.Button({ style_class: 'scroll-separator' });
actor.add(separator, {});
actor.add(panel, {expand: true, 'x-fill': true, 'y-fill': true});
separator = new St.Button({ style_class: 'scroll-separator' });
actor.add(separator, {});
return actor;
},
_addIndicatorClone: function(i, active) {
let actor = new St.Button({ style_class: 'workspace-indicator' });
if (active) {
actor.style_class = 'workspace-indicator-active';
}
actor.connect('button-release-event', Lang.bind(this, function() {
if (this._workspaces[i] != undefined)
this._workspaces[i]._metaWorkspace.activate(global.get_current_time());
}));
this._indicatorsPanel.add_actor(actor);
let [a, spacing] = actor.get_theme_node().get_length('border-spacing', false);
if (this._indicatorsPanelWidth < spacing * (i + 1) + actor.width * (i + 1))
actor.hide();
actor.x = spacing * i + actor.width * i;
},
_fillPositionalIndicator: function() {
if (this._indicatorsPanel == null || this._indicatorsPanelWidth == null)
return;
let width = this._indicatorsPanelWidth;
this._indicatorsPanel.remove_all();
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
for (let i = 0; i < this._workspaces.length; i++) {
this._addIndicatorClone(i, i == activeWorkspaceIndex);
}
this._indicatorsPanel.x = (this._indicatorsPanelWidth - this._indicatorsPanel.width) / 2;
},
_createPositionalIndicator: function() {
let actor = new St.Bin({ style_class: 'panel-button' });
let group = new Clutter.Group();
this._indicatorsPanel = new Shell.GenericContainer();
this._indicatorsPanel.connect('get-preferred-width', Lang.bind(this, function (actor, fh, alloc) {
let children = actor.get_children();
let width = 0;
for (let i = 0; i < children.length; i++) {
if (!children[i].visible)
continue;
if (children[i].x + children[i].width <= width)
continue;
width = children[i].x + children[i].width;
}
alloc.min_size = width;
alloc.nat_size = width;
}));
this._indicatorsPanel.connect('get-preferred-height', Lang.bind(this, function (actor, fw, alloc) {
let children = actor.get_children();
let height = 0;
if (children.length)
height = children[0].height;
alloc.min_size = height;
alloc.nat_size = height;
}));
this._indicatorsPanel.connect('allocate', Lang.bind(this, function (actor, box, flags) {
let children = actor.get_children();
for (let i = 0; i < children.length; i++) {
if (!children[i].visible)
continue;
let childBox = new Clutter.ActorBox();
childBox.x1 = children[i].x;
childBox.y1 = 0;
childBox.x2 = children[i].x + children[i].width;
childBox.y2 = children[i].height;
children[i].allocate(childBox, flags);
}
}));
group.add_actor(this._indicatorsPanel);
actor.set_child(group);
actor.set_alignment(St.Align.START, St.Align.START);
actor.set_fill(true, true);
this._indicatorsPanel.hide();
actor.connect('notify::width', Lang.bind(this, function(actor) {
this._indicatorsPanelWidth = actor.width;
this._updatePanelVisibility();
}));
actor.connect('destroy', Lang.bind(this, function() {
this._indicatorsPanel = null;
}));
return actor;
},
_updatePanelVisibility: function() {
let n = global.screen.n_workspaces;
if (this._removeButton != null) {
// set opacity here, because if hide it, _scroll will fill this space.
if (global.screen.get_active_workspace_index() == 0)
this._removeButton.set_opacity(0);
else
this._removeButton.set_opacity(255);
}
if (this._addButton != null) {
// same here
this._addButton.set_opacity((global.screen.n_workspaces < MAX_WORKSPACES) * 255);
}
if (this._scroll != null) {
if (n > 1)
this._scroll.show();
else
this._scroll.hide();
}
if (this._indicatorsPanel != null) {
if (n == 1) {
this._indicatorsPanel.hide();
} else {
this._indicatorsPanel.show();
}
}
this._fillPositionalIndicator();
},
_addNewWorkspace: function() {
// Button with opacity 0 is clickable.
if (global.screen.n_workspaces >= MAX_WORKSPACES)
return;
global.screen.append_new_workspace(false, global.get_current_time());
this._workspaces[this._workspaces.length - 1]._metaWorkspace.activate(Clutter.get_current_event_time());
},
_acceptNewWorkspaceDrop: function(source, dropActor, x, y, time) {
this._addNewWorkspace();
return this.acceptNewWorkspaceDrop(source, dropActor, x, y, time);
}
};
function _workspaceRelativeModifier(workspace) {
let [startX, startY] = Main.overview.getPosition();
let overviewPosX, overviewPosY, overviewScale;
if (!workspace)
return [];
if (workspace.leavingOverview) {
let [zoomedInX, zoomedInY] = Main.overview.getZoomedInPosition();
overviewPosX = { begin: startX, end: zoomedInX };
overviewPosY = { begin: startY, end: zoomedInY };
overviewScale = { begin: Main.overview.getScale(),
end: Main.overview.getZoomedInScale() };
} else {
overviewPosX = { begin: startX, end: 0 };
overviewPosY = { begin: startY, end: 0 };
overviewScale = { begin: Main.overview.getScale(), end: 1 };
}
return [ { name: "x",
parameters: { workspacePos: workspace.gridX,
overviewPos: overviewPosX,
overviewScale: overviewScale } },
{ name: "y",
parameters: { workspacePos: workspace.gridY,
overviewPos: overviewPosY,
overviewScale: overviewScale } }
];
}
function _workspaceRelativeGet(begin, end, time, params) {
let curOverviewPos = (1 - time) * params.overviewPos.begin +
time * params.overviewPos.end;
let curOverviewScale = (1 - time) * params.overviewScale.begin +
time * params.overviewScale.end;
// Calculate the screen position of the window.
let screen = (1 - time) *
((begin + params.workspacePos) * params.overviewScale.begin +
params.overviewPos.begin) +
time *
((end + params.workspacePos) * params.overviewScale.end +
params.overviewPos.end);
// Return the workspace coordinates.
return (screen - curOverviewPos) / curOverviewScale - params.workspacePos;
}
function WorkspacesViewSwitch() {
this._init();
}
WorkspacesViewSwitch.prototype = {
VIEW_KEY: 'view',
_init: function() {
this._gconf = Shell.GConf.get_default();
this._mosaicViewButton = null;
this._singleViewButton = null;
this._currentViewType = this._gconf.get_int(this.VIEW_KEY);
this._controlsBar = null;
},
_setView: function(view) {
this._mosaicViewButton.set_checked(WorkspacesViewType.MOSAIC == view);
this._singleViewButton.set_checked(WorkspacesViewType.SINGLE == view);
if (this._currentViewType == view)
return;
this._currentViewType = view;
this._gconf.set_int(this.VIEW_KEY, view);
this.emit('view-changed');
},
createCurrentWorkspaceView: function(width, height, x, y, animate) {
switch (this._currentViewType) {
case WorkspacesViewType.SINGLE:
return new SingleView(width, height, x, y, animate);
case WorkspacesViewType.MOSAIC:
return new MosaicView(width, height, x, y, animate);
default:
return new MosaicView(width, height, x, y, animate);
}
},
createControlsBar: function() {
let actor = new St.BoxLayout();
this._mosaicViewButton = new St.Button({ style_class: "switch-view-mosaic" });
this._mosaicViewButton.set_toggle_mode(true);
this._mosaicViewButton.connect('clicked', Lang.bind(this, function() {
this._setView(WorkspacesViewType.MOSAIC);
}));
actor.add(this._mosaicViewButton, {'y-fill' : false, 'y-align' : St.Align.START});
this._singleViewButton = new St.Button({ style_class: "switch-view-single" });
this._singleViewButton.set_toggle_mode(true);
this._singleViewButton.connect('clicked', Lang.bind(this, function() {
this._setView(WorkspacesViewType.SINGLE);
}));
actor.add(this._singleViewButton, {'y-fill' : false, 'y-align' : St.Align.START});
if (this._currentViewType == WorkspacesViewType.MOSAIC)
this._mosaicViewButton.set_checked(true);
else
this._singleViewButton.set_checked(true);
this._nWorkspacesNotifyId =
global.screen.connect('notify::n-workspaces',
Lang.bind(this, this._workspacesChanged));
actor.connect('destroy', Lang.bind(this, function() {
this._controlsBar = null;
global.screen.disconnect(this._nWorkspacesNotifyId);
}));
this._controlsBar = actor;
this._workspacesChanged();
return actor;
},
_workspacesChanged: function() {
if (this._controlsBar == null)
return;
if (global.screen.n_workspaces == 1)
this._controlsBar.set_opacity(0);
else
this._controlsBar.set_opacity(255);
}
};
Signals.addSignalMethods(WorkspacesViewSwitch.prototype);