1046 lines
38 KiB
JavaScript
1046 lines
38 KiB
JavaScript
/* -*- 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;
|
|
|
|
// The values here are also used for gconf, and the key and value
|
|
// names must match
|
|
const WorkspacesViewType = {
|
|
SINGLE: 'single',
|
|
GRID: 'grid'
|
|
};
|
|
const WORKSPACES_VIEW_KEY = 'overview/workspaces_view';
|
|
|
|
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.connect('destroy', Lang.bind(this, this._onDestroy));
|
|
|
|
this.actor.add_actor(this._actor);
|
|
this.actor.connect('style-changed', Lang.bind(this,
|
|
function() {
|
|
let node = this.actor.get_theme_node();
|
|
let [a, spacing] = node.get_length('spacing', false);
|
|
this._spacing = spacing;
|
|
this._positionWorkspaces();
|
|
}));
|
|
|
|
this._width = width;
|
|
this._height = height;
|
|
this._x = x;
|
|
this._y = y;
|
|
this._spacing = 0;
|
|
|
|
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();
|
|
|
|
// 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);
|
|
}
|
|
},
|
|
|
|
hide: function() {
|
|
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
|
|
let activeWorkspace = this._workspaces[activeWorkspaceIndex];
|
|
|
|
if (this._windowSelectionAppId != null)
|
|
this._clearApplicationWindowSelection(false);
|
|
|
|
activeWorkspace.actor.raise_top();
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].zoomFromOverview();
|
|
},
|
|
|
|
destroy: function() {
|
|
this.actor.destroy();
|
|
},
|
|
|
|
_onDestroy: function() {
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].destroy();
|
|
this._workspaces = [];
|
|
|
|
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];
|
|
},
|
|
|
|
_setButtonSensitivity: function(button, sensitive) {
|
|
if (button == null)
|
|
return;
|
|
if (sensitive && !button.reactive) {
|
|
button.reactive = true;
|
|
button.opacity = 255;
|
|
} else if (!sensitive && button.reactive) {
|
|
button.reactive = false;
|
|
button.opacity = 85;
|
|
}
|
|
},
|
|
|
|
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.actor.style_class = "workspaces mosaic";
|
|
this._actor.set_clip(x - Workspace.FRAME_SIZE,
|
|
y - Workspace.FRAME_SIZE,
|
|
width + 2 * Workspace.FRAME_SIZE,
|
|
height + 2 * Workspace.FRAME_SIZE);
|
|
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);
|
|
|
|
// adjust vertical spacing so workspaces can preserve their aspect
|
|
// ratio without exceeding this._height
|
|
let verticalSpacing = this._spacing * this._height / this._width;
|
|
|
|
let wsWidth = (this._width - (gridWidth - 1) * this._spacing) / gridWidth;
|
|
let wsHeight = (this._height - (gridHeight - 1) * verticalSpacing) / 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 + this._spacing);
|
|
workspace.gridY = this._y + workspace.gridRow * (wsHeight + verticalSpacing);
|
|
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 = [];
|
|
|
|
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);
|
|
}
|
|
|
|
// 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
|
|
// New workspaces can contain windows.
|
|
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
|
|
this._workspaces[w].positionWindows(0);
|
|
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: "workspace-controls 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: "workspace-controls 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() {
|
|
let canRemove = (global.screen.n_workspaces > 1);
|
|
let canAdd = (global.screen.n_workspaces < MAX_WORKSPACES);
|
|
|
|
this._setButtonSensitivity(this._removeButton, canRemove);
|
|
this._setButtonSensitivity(this._addButton, canAdd);
|
|
},
|
|
|
|
_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);
|
|
}
|
|
};
|
|
|
|
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) {
|
|
GenericWorkspacesView.prototype._init.call(this, width, height, x, y, animate);
|
|
|
|
this.actor.style_class = "workspaces single";
|
|
this._actor.set_clip(x, y, width, height);
|
|
this._addButton = null;
|
|
this._removeButton = null;
|
|
this._indicatorsPanel = null;
|
|
this._indicatorsPanelWidth = null;
|
|
this._scroll = null;
|
|
this._lostWorkspaces = [];
|
|
this._scrolling = false;
|
|
this._animatingScroll = false;
|
|
},
|
|
|
|
_positionWorkspaces: function() {
|
|
let scale = this._width / global.screen_width;
|
|
let active = global.screen.get_active_workspace_index();
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
let workspace = this._workspaces[w];
|
|
|
|
workspace.gridRow = 0;
|
|
workspace.gridCol = 0;
|
|
|
|
workspace.scale = scale;
|
|
let _width = workspace.actor.width * scale;
|
|
workspace.gridX = this._x + (w - active) * (_width + this._spacing);
|
|
workspace.gridY = this._y;
|
|
|
|
workspace.setSelected(false);
|
|
}
|
|
},
|
|
|
|
_updateWorkspaceActors: function() {
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
let workspace = this._workspaces[w];
|
|
|
|
workspace.actor.set_scale(workspace.scale, workspace.scale);
|
|
workspace.actor.set_position(workspace.gridX, workspace.gridY);
|
|
workspace.positionWindows(0);
|
|
}
|
|
},
|
|
|
|
_scrollToActive: function(showAnimation) {
|
|
let active = global.screen.get_active_workspace_index();
|
|
|
|
this._scrollWorkspacesToIndex(active, showAnimation);
|
|
this._scrollScrollBarToIndex(active, showAnimation);
|
|
},
|
|
|
|
_scrollWorkspacesToIndex: function(index, showAnimation) {
|
|
let active = global.screen.get_active_workspace_index();
|
|
let targetWorkspaceNewX = this._x;
|
|
let targetWorkspaceCurrentX = this._workspaces[index].gridX;
|
|
let dx = targetWorkspaceNewX - targetWorkspaceCurrentX;
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
let workspace = this._workspaces[w];
|
|
|
|
workspace.gridX += dx;
|
|
workspace.actor.show();
|
|
workspace._hideAllOverlays();
|
|
|
|
let visible = (w == active);
|
|
if (showAnimation) {
|
|
Tweener.addTween(workspace.actor,
|
|
{ x: workspace.gridX,
|
|
time: WORKSPACE_SWITCH_TIME,
|
|
transition: 'easeOutQuad',
|
|
onComplete: function() {
|
|
if (visible)
|
|
workspace._fadeInAllOverlays();
|
|
else
|
|
workspace.actor.hide();
|
|
}});
|
|
} else {
|
|
workspace.actor.x = workspace.gridX;
|
|
if (visible)
|
|
workspace._fadeInAllOverlays();
|
|
else
|
|
workspace.actor.hide();
|
|
}
|
|
}
|
|
|
|
for (let l = 0; l < this._lostWorkspaces.length; l++) {
|
|
let workspace = this._lostWorkspaces[l];
|
|
|
|
workspace.gridX += dx;
|
|
workspace.actor.show();
|
|
workspace._hideAllOverlays();
|
|
|
|
if (showAnimation) {
|
|
Tweener.addTween(workspace.actor,
|
|
{ x: workspace.gridX,
|
|
time: WORKSPACE_SWITCH_TIME,
|
|
transition: 'easeOutQuad',
|
|
onComplete: Lang.bind(this, this._cleanWorkspaces)
|
|
});
|
|
} else {
|
|
this._cleanWorkspaces();
|
|
}
|
|
}
|
|
},
|
|
|
|
_cleanWorkspaces: function() {
|
|
if (this._lostWorkspaces.length == 0)
|
|
return;
|
|
|
|
for (let l = 0; l < this._lostWorkspaces.length; l++)
|
|
this._lostWorkspaces[l].destroy();
|
|
this._lostWorkspaces = [];
|
|
|
|
this._positionWorkspaces();
|
|
this._updateWorkspaceActors();
|
|
},
|
|
|
|
_scrollScrollBarToIndex: function(index, showAnimation) {
|
|
if (!this._scroll || this._scrolling)
|
|
return;
|
|
|
|
this._animatingScroll = true;
|
|
|
|
if (showAnimation) {
|
|
Tweener.addTween(this._scroll.adjustment, {
|
|
value: index,
|
|
time: WORKSPACE_SWITCH_TIME,
|
|
transition: 'easeOutQuad',
|
|
onComplete: Lang.bind(this,
|
|
function() {
|
|
this._animatingScroll = false;
|
|
})
|
|
});
|
|
} else {
|
|
this._scroll.adjustment.value = index;
|
|
this._animatingScroll = false;
|
|
}
|
|
},
|
|
|
|
_workspacesChanged: function() {
|
|
let oldNumWorkspaces = this._workspaces.length;
|
|
let newNumWorkspaces = global.screen.n_workspaces;
|
|
let active = global.screen.get_active_workspace_index();
|
|
|
|
if (oldNumWorkspaces == newNumWorkspaces)
|
|
return;
|
|
|
|
if (this._scroll != null)
|
|
this._scroll.adjustment.upper = newNumWorkspaces;
|
|
|
|
if (newNumWorkspaces > oldNumWorkspaces) {
|
|
// Create new workspace groups
|
|
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++)
|
|
this._addWorkspaceActor(w);
|
|
this._positionWorkspaces();
|
|
this._updateWorkspaceActors();
|
|
this._scrollScrollBarToIndex(active + 1, false);
|
|
|
|
} else {
|
|
let active = global.screen.get_active_workspace_index();
|
|
let removedNum = oldNumWorkspaces - newNumWorkspaces;
|
|
let removedIndex = active + 1;
|
|
this._lostWorkspaces = this._workspaces.splice(removedIndex,
|
|
removedNum);
|
|
|
|
// Don't let the user try to select this workspace as it's
|
|
// making its exit.
|
|
for (let l = 0; l < this._lostWorkspaces.length; l++)
|
|
this._lostWorkspaces[l]._desktop.actor.reactive = false;
|
|
|
|
// reassign workspaceNum and metaWorkspace, as lost workspaces
|
|
// have not necessarily been removed from the end
|
|
for (let i = removedIndex; i < this._workspaces.length; i++) {
|
|
let metaWorkspace = global.screen.get_workspace_by_index(i);
|
|
this._workspaces[i].workspaceNum = i;
|
|
this._workspaces[i]._metaWorkspace = metaWorkspace;
|
|
}
|
|
|
|
this._scrollScrollBarToIndex(active, false);
|
|
this._scrollToActive(true);
|
|
}
|
|
|
|
this._updatePanelVisibility();
|
|
},
|
|
|
|
_activeWorkspaceChanged: function(wm, from, to, direction) {
|
|
this._updatePanelVisibility();
|
|
|
|
if (this._scrolling)
|
|
return;
|
|
|
|
this._scrollToActive(true);
|
|
},
|
|
|
|
_addWorkspaceActor: function(workspaceNum) {
|
|
let workspace = new Workspace.Workspace(workspaceNum, this._actor);
|
|
|
|
this._actor.add_actor(workspace.actor);
|
|
this._workspaces[workspaceNum] = workspace;
|
|
},
|
|
|
|
// handle changes to the scroll bar's adjustment:
|
|
// sync the workspaces' positions to the position of the scroll bar handle
|
|
// and change the active workspace if appropriate
|
|
_onScroll: function(adj) {
|
|
if (this._animatingScroll)
|
|
return;
|
|
|
|
let active = global.screen.get_active_workspace_index();
|
|
let current = Math.round(adj.value);
|
|
|
|
if (active != current) {
|
|
let metaWorkspace = this._workspaces[current]._metaWorkspace;
|
|
|
|
if (!this._scrolling) {
|
|
// This here is a little tricky - we get here when StScrollBar
|
|
// animates paging; we switch the active workspace, but
|
|
// leave out any extra animation (just like we would do when
|
|
// the handle was dragged)
|
|
// If StScrollBar emitted scroll-start before and scroll-stop
|
|
// after the animation, this would not be necessary
|
|
this._scrolling = true;
|
|
metaWorkspace.activate(global.get_current_time());
|
|
this._scrolling = false;
|
|
} else {
|
|
metaWorkspace.activate(global.get_current_time());
|
|
}
|
|
}
|
|
|
|
let last = this._workspaces.length - 1;
|
|
let firstWorkspaceX = this._workspaces[0].actor.x;
|
|
let lastWorkspaceX = this._workspaces[last].actor.x;
|
|
let workspacesWidth = lastWorkspaceX - firstWorkspaceX;
|
|
|
|
// The scrollbar is hidden when there is only one workspace, so
|
|
// adj.upper should at least be 2 - but better be safe than sorry
|
|
if (adj.upper == 1)
|
|
return;
|
|
|
|
let currentX = firstWorkspaceX;
|
|
let newX = this._x - adj.value / (adj.upper - 1) * workspacesWidth;
|
|
|
|
let dx = newX - currentX;
|
|
|
|
for (let i = 0; i < this._workspaces.length; i++) {
|
|
this._workspaces[i]._hideAllOverlays();
|
|
if (Math.abs(i - adj.value) <= 1)
|
|
this._workspaces[i].actor.show();
|
|
else
|
|
this._workspaces[i].actor.hide();
|
|
this._workspaces[i].actor.x += dx;
|
|
}
|
|
|
|
if (!this._scrolling && active == adj.value) {
|
|
// Again, work around the paging in StScrollBar: simulate
|
|
// the effect of scroll-stop
|
|
this._scrolling = true;
|
|
this._scrollToActive(false);
|
|
this._scrolling = false;
|
|
}
|
|
},
|
|
|
|
// handle scroll wheel events:
|
|
// activate the next or previous workspace and let the signal handler
|
|
// manage the animation
|
|
_onScrollEvent: function(actor, event) {
|
|
let direction = event.get_scroll_direction();
|
|
let current = global.screen.get_active_workspace_index();
|
|
let last = global.screen.n_workspaces - 1;
|
|
let activate = current;
|
|
if (direction == Clutter.ScrollDirection.DOWN && current < last)
|
|
activate++;
|
|
else if (direction == Clutter.ScrollDirection.UP && current > 0)
|
|
activate--;
|
|
|
|
if (activate != current) {
|
|
let metaWorkspace = this._workspaces[activate]._metaWorkspace;
|
|
metaWorkspace.activate(global.get_current_time());
|
|
}
|
|
},
|
|
|
|
createControllerBar: function() {
|
|
let panel = new St.BoxLayout({ style_class: 'single-view-controls',
|
|
pack_start: true,
|
|
vertical: true });
|
|
|
|
let actor = new St.BoxLayout({ 'pack-start': true });
|
|
let active = global.screen.get_active_workspace_index();
|
|
let adj = new St.Adjustment({ value: active,
|
|
lower: 0,
|
|
page_increment: 1,
|
|
page_size: 1,
|
|
step_increment: 0,
|
|
upper: this._workspaces.length });
|
|
this._scroll = new St.ScrollBar({ adjustment: adj,
|
|
vertical: false,
|
|
name: 'SwitchScroll' });
|
|
|
|
// we have set adj.step_increment to 0, so all scroll wheel events
|
|
// are processed with this handler - this allows us to animate the
|
|
// workspace switch
|
|
this._scroll.connect('scroll-event',
|
|
Lang.bind(this, this._onScrollEvent));
|
|
|
|
this._scroll.adjustment.connect('notify::value',
|
|
Lang.bind(this, this._onScroll));
|
|
|
|
|
|
this._scroll.connect('scroll-start', Lang.bind(this,
|
|
function() {
|
|
this._scrolling = true;
|
|
}));
|
|
this._scroll.connect('scroll-stop', Lang.bind(this,
|
|
function() {
|
|
this._scrolling = false;
|
|
this._scrollToActive(true);
|
|
}));
|
|
|
|
let addButton = new St.Button({ style_class: "workspace-controls 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: "workspace-controls 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 });
|
|
actor.add(panel, {expand: true, 'x-fill': true, 'y-fill': true});
|
|
|
|
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('clicked', Lang.bind(this, function() {
|
|
if (this._workspaces[i] != undefined)
|
|
this._workspaces[i]._metaWorkspace.activate(global.get_current_time());
|
|
}));
|
|
|
|
actor._delegate = {};
|
|
actor._delegate.acceptDrop = Lang.bind(this, function(source, actor, x, y, time) {
|
|
if (this._workspaces[i].acceptDrop(source, actor, x, y, time)) {
|
|
this._workspaces[i]._metaWorkspace.activate(global.get_current_time());
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
});
|
|
|
|
actor.connect('scroll-event', Lang.bind(this, this._onScrollEvent));
|
|
|
|
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.natural_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.natural_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 canRemove = (global.screen.get_active_workspace_index() != 0);
|
|
let canAdd = (global.screen.n_workspaces < MAX_WORKSPACES);
|
|
|
|
this._setButtonSensitivity(this._removeButton, canRemove);
|
|
this._setButtonSensitivity(this._addButton, canAdd);
|
|
|
|
let showSwitches = (global.screen.n_workspaces > 1);
|
|
if (this._scroll != null) {
|
|
if (showSwitches)
|
|
this._scroll.show();
|
|
else
|
|
this._scroll.hide();
|
|
}
|
|
if (this._indicatorsPanel != null) {
|
|
if (showSwitches)
|
|
this._indicatorsPanel.show();
|
|
else
|
|
this._indicatorsPanel.hide();
|
|
}
|
|
this._fillPositionalIndicator();
|
|
},
|
|
|
|
_addNewWorkspace: function() {
|
|
let ws = global.screen.append_new_workspace(false,
|
|
global.get_current_time());
|
|
ws.activate(global.get_current_time());
|
|
},
|
|
|
|
_acceptNewWorkspaceDrop: function(source, dropActor, x, y, time) {
|
|
this._addNewWorkspace();
|
|
return this.acceptNewWorkspaceDrop(source, dropActor, x, y, time);
|
|
}
|
|
};
|
|
|
|
function WorkspacesViewSwitch() {
|
|
this._init();
|
|
}
|
|
|
|
WorkspacesViewSwitch.prototype = {
|
|
_init: function() {
|
|
this._gconf = Shell.GConf.get_default();
|
|
this._mosaicViewButton = null;
|
|
this._singleViewButton = null;
|
|
this._controlsBar = null;
|
|
|
|
let view = this._gconf.get_string(WORKSPACES_VIEW_KEY).toUpperCase();
|
|
if (view in WorkspacesViewType)
|
|
this._currentViewType = WorkspacesViewType[view];
|
|
else
|
|
this._currentViewType = WorkspacesViewType.SINGLE;
|
|
},
|
|
|
|
_setView: function(view) {
|
|
this._mosaicViewButton.set_checked(WorkspacesViewType.GRID == view);
|
|
this._singleViewButton.set_checked(WorkspacesViewType.SINGLE == view);
|
|
|
|
if (this._currentViewType == view)
|
|
return;
|
|
this._currentViewType = view;
|
|
this._gconf.set_string(WORKSPACES_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.GRID:
|
|
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: "workspace-controls switch-mosaic" });
|
|
this._mosaicViewButton.set_toggle_mode(true);
|
|
this._mosaicViewButton.connect('clicked', Lang.bind(this, function() {
|
|
this._setView(WorkspacesViewType.GRID);
|
|
}));
|
|
actor.add(this._mosaicViewButton, {'y-fill' : false, 'y-align' : St.Align.START});
|
|
|
|
this._singleViewButton = new St.Button({ style_class: "workspace-controls switch-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.GRID)
|
|
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);
|