923 lines
33 KiB
JavaScript
923 lines
33 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
|
|
const Clutter = imports.gi.Clutter;
|
|
const Lang = imports.lang;
|
|
const Mainloop = imports.mainloop;
|
|
const Meta = imports.gi.Meta;
|
|
const Shell = imports.gi.Shell;
|
|
const St = imports.gi.St;
|
|
const Signals = imports.signals;
|
|
|
|
const DND = imports.ui.dnd;
|
|
const Main = imports.ui.main;
|
|
const Overview = imports.ui.overview;
|
|
const Tweener = imports.ui.tweener;
|
|
const Workspace = imports.ui.workspace;
|
|
const WorkspaceThumbnail = imports.ui.workspaceThumbnail;
|
|
|
|
const WORKSPACE_SWITCH_TIME = 0.25;
|
|
// Note that mutter has a compile-time limit of 36
|
|
const MAX_WORKSPACES = 16;
|
|
|
|
|
|
const CONTROLS_POP_IN_TIME = 0.1;
|
|
|
|
|
|
function WorkspacesView(workspaces) {
|
|
this._init(workspaces);
|
|
}
|
|
|
|
WorkspacesView.prototype = {
|
|
_init: function(workspaces) {
|
|
this.actor = new St.Group({ style_class: 'workspaces-view' });
|
|
|
|
// The actor itself isn't a drop target, so we don't want to pick on its area
|
|
this.actor.set_size(0, 0);
|
|
|
|
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
|
|
|
|
this.actor.connect('style-changed', Lang.bind(this,
|
|
function() {
|
|
let node = this.actor.get_theme_node();
|
|
this._spacing = node.get_length('spacing');
|
|
this._updateWorkspaceActors(false);
|
|
}));
|
|
this.actor.connect('notify::mapped',
|
|
Lang.bind(this, this._onMappedChanged));
|
|
|
|
this._width = 0;
|
|
this._height = 0;
|
|
this._x = 0;
|
|
this._y = 0;
|
|
this._clipX = 0;
|
|
this._clipY = 0;
|
|
this._clipWidth = 0;
|
|
this._clipHeight = 0;
|
|
this._workspaceRatioSpacing = 0;
|
|
this._spacing = 0;
|
|
this._animating = false; // tweening
|
|
this._scrolling = false; // swipe-scrolling
|
|
this._animatingScroll = false; // programatically updating the adjustment
|
|
this._zoomOut = false; // zoom to a larger area
|
|
this._inDrag = false; // dragging a window
|
|
|
|
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
|
|
this._workspaces = workspaces;
|
|
|
|
// Add workspace actors
|
|
for (let w = 0; w < global.screen.n_workspaces; w++)
|
|
this._workspaces[w].actor.reparent(this.actor);
|
|
this._workspaces[activeWorkspaceIndex].actor.raise_top();
|
|
|
|
this._extraWorkspaces = [];
|
|
let monitors = Main.layoutManager.monitors;
|
|
let m = 0;
|
|
for (let i = 0; i < monitors.length; i++) {
|
|
if (i == Main.layoutManager.primaryIndex)
|
|
continue;
|
|
let ws = new Workspace.Workspace(null, i);
|
|
this._extraWorkspaces[m++] = ws;
|
|
ws.setGeometry(monitors[i].x, monitors[i].y, monitors[i].width, monitors[i].height);
|
|
global.overlay_group.add_actor(ws.actor);
|
|
}
|
|
|
|
// 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() {
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].zoomToOverview();
|
|
for (let w = 0; w < this._extraWorkspaces.length; w++)
|
|
this._extraWorkspaces[w].zoomToOverview();
|
|
}));
|
|
this._overviewShownId =
|
|
Main.overview.connect('shown',
|
|
Lang.bind(this, function() {
|
|
this.actor.set_clip(this._clipX, this._clipY,
|
|
this._clipWidth, this._clipHeight);
|
|
}));
|
|
|
|
this._scrollAdjustment = new St.Adjustment({ value: activeWorkspaceIndex,
|
|
lower: 0,
|
|
page_increment: 1,
|
|
page_size: 1,
|
|
step_increment: 0,
|
|
upper: this._workspaces.length });
|
|
this._scrollAdjustment.connect('notify::value',
|
|
Lang.bind(this, this._onScroll));
|
|
|
|
this._timeoutId = 0;
|
|
|
|
this._switchWorkspaceNotifyId =
|
|
global.window_manager.connect('switch-workspace',
|
|
Lang.bind(this, this._activeWorkspaceChanged));
|
|
|
|
this._itemDragBeginId = Main.overview.connect('item-drag-begin',
|
|
Lang.bind(this, this._dragBegin));
|
|
this._itemDragEndId = Main.overview.connect('item-drag-end',
|
|
Lang.bind(this, this._dragEnd));
|
|
this._windowDragBeginId = Main.overview.connect('window-drag-begin',
|
|
Lang.bind(this, this._dragBegin));
|
|
this._windowDragEndId = Main.overview.connect('window-drag-end',
|
|
Lang.bind(this, this._dragEnd));
|
|
this._swipeScrollBeginId = 0;
|
|
this._swipeScrollEndId = 0;
|
|
},
|
|
|
|
setGeometry: function(x, y, width, height, spacing) {
|
|
if (this._x == x && this._y == y &&
|
|
this._width == width && this._height == height)
|
|
return;
|
|
this._width = width;
|
|
this._height = height;
|
|
this._x = x;
|
|
this._y = y;
|
|
this._workspaceRatioSpacing = spacing;
|
|
|
|
for (let i = 0; i < this._workspaces.length; i++)
|
|
this._workspaces[i].setGeometry(x, y, width, height);
|
|
},
|
|
|
|
setClipRect: function(x, y, width, height) {
|
|
this._clipX = x;
|
|
this._clipY = y;
|
|
this._clipWidth = width;
|
|
this._clipHeight = height;
|
|
},
|
|
|
|
_lookupWorkspaceForMetaWindow: function (metaWindow) {
|
|
for (let i = 0; i < this._workspaces.length; i++) {
|
|
if (this._workspaces[i].containsMetaWindow(metaWindow))
|
|
return this._workspaces[i];
|
|
}
|
|
return null;
|
|
},
|
|
|
|
getActiveWorkspace: function() {
|
|
let active = global.screen.get_active_workspace_index();
|
|
return this._workspaces[active];
|
|
},
|
|
|
|
getWorkspaceByIndex: function(index) {
|
|
return this._workspaces[index];
|
|
},
|
|
|
|
hide: function() {
|
|
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
|
|
let activeWorkspace = this._workspaces[activeWorkspaceIndex];
|
|
|
|
activeWorkspace.actor.raise_top();
|
|
|
|
this.actor.remove_clip(this._x, this._y, this._width, this._height);
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].zoomFromOverview();
|
|
for (let w = 0; w < this._extraWorkspaces.length; w++)
|
|
this._extraWorkspaces[w].zoomFromOverview();
|
|
},
|
|
|
|
destroy: function() {
|
|
this.actor.destroy();
|
|
},
|
|
|
|
syncStacking: function(stackIndices) {
|
|
for (let i = 0; i < this._workspaces.length; i++)
|
|
this._workspaces[i].syncStacking(stackIndices);
|
|
for (let i = 0; i < this._extraWorkspaces.length; i++)
|
|
this._extraWorkspaces[i].syncStacking(stackIndices);
|
|
},
|
|
|
|
updateWindowPositions: function() {
|
|
for (let w = 0; w < this._workspaces.length; w++)
|
|
this._workspaces[w].positionWindows(Workspace.WindowPositionFlags.ANIMATE);
|
|
},
|
|
|
|
_scrollToActive: function(showAnimation) {
|
|
let active = global.screen.get_active_workspace_index();
|
|
|
|
this._updateWorkspaceActors(showAnimation);
|
|
this._updateScrollAdjustment(active, showAnimation);
|
|
},
|
|
|
|
// Update workspace actors parameters
|
|
// @showAnimation: iff %true, transition between states
|
|
_updateWorkspaceActors: function(showAnimation) {
|
|
let active = global.screen.get_active_workspace_index();
|
|
|
|
this._animating = showAnimation;
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
let workspace = this._workspaces[w];
|
|
|
|
Tweener.removeTweens(workspace.actor);
|
|
|
|
let y = (w - active) * (this._height + this._spacing + this._workspaceRatioSpacing);
|
|
|
|
if (showAnimation) {
|
|
let params = { y: y,
|
|
time: WORKSPACE_SWITCH_TIME,
|
|
transition: 'easeOutQuad'
|
|
};
|
|
// we have to call _updateVisibility() once before the
|
|
// animation and once afterwards - it does not really
|
|
// matter which tween we use, so we pick the first one ...
|
|
if (w == 0) {
|
|
this._updateVisibility();
|
|
params.onComplete = Lang.bind(this,
|
|
function() {
|
|
this._animating = false;
|
|
this._updateVisibility();
|
|
});
|
|
}
|
|
Tweener.addTween(workspace.actor, params);
|
|
} else {
|
|
workspace.actor.set_position(0, y);
|
|
if (w == 0)
|
|
this._updateVisibility();
|
|
}
|
|
}
|
|
},
|
|
|
|
_updateVisibility: function() {
|
|
let active = global.screen.get_active_workspace_index();
|
|
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
let workspace = this._workspaces[w];
|
|
if (this._animating || this._scrolling) {
|
|
workspace.hideWindowsOverlays();
|
|
workspace.actor.show();
|
|
} else {
|
|
workspace.showWindowsOverlays();
|
|
if (this._inDrag)
|
|
workspace.actor.visible = (Math.abs(w - active) <= 1);
|
|
else
|
|
workspace.actor.visible = (w == active);
|
|
}
|
|
}
|
|
},
|
|
|
|
_updateScrollAdjustment: function(index, showAnimation) {
|
|
if (this._scrolling)
|
|
return;
|
|
|
|
this._animatingScroll = true;
|
|
|
|
if (showAnimation) {
|
|
Tweener.addTween(this._scrollAdjustment, {
|
|
value: index,
|
|
time: WORKSPACE_SWITCH_TIME,
|
|
transition: 'easeOutQuad',
|
|
onComplete: Lang.bind(this,
|
|
function() {
|
|
this._animatingScroll = false;
|
|
})
|
|
});
|
|
} else {
|
|
this._scrollAdjustment.value = index;
|
|
this._animatingScroll = false;
|
|
}
|
|
},
|
|
|
|
updateWorkspaces: function(oldNumWorkspaces, newNumWorkspaces) {
|
|
let active = global.screen.get_active_workspace_index();
|
|
|
|
Tweener.addTween(this._scrollAdjustment,
|
|
{ upper: newNumWorkspaces,
|
|
time: WORKSPACE_SWITCH_TIME,
|
|
transition: 'easeOutQuad'
|
|
});
|
|
|
|
if (newNumWorkspaces > oldNumWorkspaces) {
|
|
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
|
|
this._workspaces[w].setGeometry(this._x, this._y,
|
|
this._width, this._height);
|
|
this.actor.add_actor(this._workspaces[w].actor);
|
|
}
|
|
|
|
this._updateWorkspaceActors(false);
|
|
}
|
|
|
|
this._scrollToActive(true);
|
|
},
|
|
|
|
_activeWorkspaceChanged: function(wm, from, to, direction) {
|
|
if (this._scrolling)
|
|
return;
|
|
|
|
this._scrollToActive(true);
|
|
},
|
|
|
|
_onDestroy: function() {
|
|
for (let i = 0; i < this._extraWorkspaces.length; i++)
|
|
this._extraWorkspaces[i].destroy();
|
|
this._scrollAdjustment.run_dispose();
|
|
Main.overview.disconnect(this._overviewShowingId);
|
|
Main.overview.disconnect(this._overviewShownId);
|
|
global.window_manager.disconnect(this._switchWorkspaceNotifyId);
|
|
|
|
if (this._inDrag)
|
|
this._dragEnd();
|
|
|
|
if (this._timeoutId) {
|
|
Mainloop.source_remove(this._timeoutId);
|
|
this._timeoutId = 0;
|
|
}
|
|
if (this._itemDragBeginId > 0) {
|
|
Main.overview.disconnect(this._itemDragBeginId);
|
|
this._itemDragBeginId = 0;
|
|
}
|
|
if (this._itemDragEndId > 0) {
|
|
Main.overview.disconnect(this._itemDragEndId);
|
|
this._itemDragEndId = 0;
|
|
}
|
|
if (this._windowDragBeginId > 0) {
|
|
Main.overview.disconnect(this._windowDragBeginId);
|
|
this._windowDragBeginId = 0;
|
|
}
|
|
if (this._windowDragEndId > 0) {
|
|
Main.overview.disconnect(this._windowDragEndId);
|
|
this._windowDragEndId = 0;
|
|
}
|
|
},
|
|
|
|
_onMappedChanged: function() {
|
|
if (this.actor.mapped) {
|
|
let direction = Overview.SwipeScrollDirection.VERTICAL;
|
|
Main.overview.setScrollAdjustment(this._scrollAdjustment,
|
|
direction);
|
|
this._swipeScrollBeginId = Main.overview.connect('swipe-scroll-begin',
|
|
Lang.bind(this, this._swipeScrollBegin));
|
|
this._swipeScrollEndId = Main.overview.connect('swipe-scroll-end',
|
|
Lang.bind(this, this._swipeScrollEnd));
|
|
} else {
|
|
Main.overview.disconnect(this._swipeScrollBeginId);
|
|
Main.overview.disconnect(this._swipeScrollEndId);
|
|
}
|
|
},
|
|
|
|
_dragBegin: function() {
|
|
if (this._scrolling)
|
|
return;
|
|
|
|
this._inDrag = true;
|
|
this._firstDragMotion = true;
|
|
|
|
this._dragMonitor = {
|
|
dragMotion: Lang.bind(this, this._onDragMotion)
|
|
};
|
|
DND.addDragMonitor(this._dragMonitor);
|
|
},
|
|
|
|
_onDragMotion: function(dragEvent) {
|
|
if (Main.overview.animationInProgress)
|
|
return DND.DragMotionResult.CONTINUE;
|
|
|
|
if (this._firstDragMotion) {
|
|
this._firstDragMotion = false;
|
|
for (let i = 0; i < this._workspaces.length; i++)
|
|
this._workspaces[i].setReservedSlot(dragEvent.dragActor._delegate);
|
|
for (let i = 0; i < this._extraWorkspaces.length; i++)
|
|
this._extraWorkspaces[i].setReservedSlot(dragEvent.dragActor._delegate);
|
|
}
|
|
|
|
let primary = Main.layoutManager.primaryMonitor;
|
|
|
|
let activeWorkspaceIndex = global.screen.get_active_workspace_index();
|
|
let topWorkspace, bottomWorkspace;
|
|
topWorkspace = this._workspaces[activeWorkspaceIndex - 1];
|
|
bottomWorkspace = this._workspaces[activeWorkspaceIndex + 1];
|
|
let hoverWorkspace = null;
|
|
|
|
// reactive monitor edges
|
|
let topEdge = primary.y;
|
|
let switchTop = (dragEvent.y <= topEdge && topWorkspace);
|
|
if (switchTop && this._dragOverLastY != topEdge) {
|
|
topWorkspace.metaWorkspace.activate(global.get_current_time());
|
|
this._dragOverLastY = topEdge;
|
|
|
|
return DND.DragMotionResult.CONTINUE;
|
|
}
|
|
let bottomEdge = primary.y + primary.height - 1;
|
|
let switchBottom = (dragEvent.y >= bottomEdge && bottomWorkspace);
|
|
if (switchBottom && this._dragOverLastY != bottomEdge) {
|
|
bottomWorkspace.metaWorkspace.activate(global.get_current_time());
|
|
this._dragOverLastY = bottomEdge;
|
|
|
|
return DND.DragMotionResult.CONTINUE;
|
|
}
|
|
this._dragOverLastY = dragEvent.y;
|
|
let result = DND.DragMotionResult.CONTINUE;
|
|
|
|
// check hover state of new workspace area / inactive workspaces
|
|
if (topWorkspace) {
|
|
if (topWorkspace.actor.contains(dragEvent.targetActor)) {
|
|
hoverWorkspace = topWorkspace;
|
|
result = topWorkspace.handleDragOver(dragEvent.source, dragEvent.dragActor);
|
|
}
|
|
}
|
|
|
|
if (bottomWorkspace) {
|
|
if (bottomWorkspace.actor.contains(dragEvent.targetActor)) {
|
|
hoverWorkspace = bottomWorkspace;
|
|
result = bottomWorkspace.handleDragOver(dragEvent.source, dragEvent.dragActor);
|
|
}
|
|
}
|
|
|
|
// handle delayed workspace switches
|
|
if (hoverWorkspace) {
|
|
if (!this._timeoutId)
|
|
this._timeoutId = Mainloop.timeout_add_seconds(1,
|
|
Lang.bind(this, function() {
|
|
hoverWorkspace.metaWorkspace.activate(global.get_current_time());
|
|
return false;
|
|
}));
|
|
} else {
|
|
if (this._timeoutId) {
|
|
Mainloop.source_remove(this._timeoutId);
|
|
this._timeoutId = 0;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
_dragEnd: function() {
|
|
if (this._timeoutId) {
|
|
Mainloop.source_remove(this._timeoutId);
|
|
this._timeoutId = 0;
|
|
}
|
|
DND.removeDragMonitor(this._dragMonitor);
|
|
this._inDrag = false;
|
|
|
|
for (let i = 0; i < this._workspaces.length; i++)
|
|
this._workspaces[i].setReservedSlot(null);
|
|
for (let i = 0; i < this._extraWorkspaces.length; i++)
|
|
this._extraWorkspaces[i].setReservedSlot(null);
|
|
},
|
|
|
|
_swipeScrollBegin: function() {
|
|
this._scrolling = true;
|
|
},
|
|
|
|
_swipeScrollEnd: function(overview, result) {
|
|
this._scrolling = false;
|
|
|
|
if (result == Overview.SwipeScrollResult.CLICK) {
|
|
let [x, y, mod] = global.get_pointer();
|
|
let actor = global.stage.get_actor_at_pos(Clutter.PickMode.ALL,
|
|
x, y);
|
|
|
|
// Only switch to the workspace when there's no application
|
|
// windows open. The problem is that it's too easy to miss
|
|
// an app window and get the wrong one focused.
|
|
let active = global.screen.get_active_workspace_index();
|
|
if (this._workspaces[active].isEmpty() &&
|
|
this.actor.contains(actor))
|
|
Main.overview.hide();
|
|
}
|
|
|
|
// Make sure title captions etc are shown as necessary
|
|
this._updateVisibility();
|
|
},
|
|
|
|
// sync the workspaces' positions to the value of the scroll adjustment
|
|
// 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;
|
|
metaWorkspace.activate(global.get_current_time());
|
|
}
|
|
|
|
let last = this._workspaces.length - 1;
|
|
let firstWorkspaceY = this._workspaces[0].actor.y;
|
|
let lastWorkspaceY = this._workspaces[last].actor.y;
|
|
let workspacesHeight = lastWorkspaceY - firstWorkspaceY;
|
|
|
|
if (adj.upper == 1)
|
|
return;
|
|
|
|
let currentY = firstWorkspaceY;
|
|
let newY = - adj.value / (adj.upper - 1) * workspacesHeight;
|
|
|
|
let dy = newY - currentY;
|
|
|
|
for (let i = 0; i < this._workspaces.length; i++) {
|
|
this._workspaces[i].hideWindowsOverlays();
|
|
this._workspaces[i].actor.visible = Math.abs(i - adj.value) <= 1;
|
|
this._workspaces[i].actor.y += dy;
|
|
}
|
|
},
|
|
|
|
_getWorkspaceIndexToRemove: function() {
|
|
return global.screen.get_active_workspace_index();
|
|
}
|
|
};
|
|
Signals.addSignalMethods(WorkspacesView.prototype);
|
|
|
|
|
|
function WorkspacesDisplay() {
|
|
this._init();
|
|
}
|
|
|
|
WorkspacesDisplay.prototype = {
|
|
_init: function() {
|
|
this.actor = new Shell.GenericContainer();
|
|
this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
|
|
this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
|
|
this.actor.connect('allocate', Lang.bind(this, this._allocate));
|
|
this.actor.set_clip_to_allocation(true);
|
|
|
|
let controls = new St.Bin({ style_class: 'workspace-controls',
|
|
request_mode: Clutter.RequestMode.WIDTH_FOR_HEIGHT,
|
|
y_align: St.Align.START,
|
|
y_fill: true });
|
|
this._controls = controls;
|
|
this.actor.add_actor(controls);
|
|
|
|
controls.reactive = true;
|
|
controls.track_hover = true;
|
|
controls.connect('notify::hover',
|
|
Lang.bind(this, this._onControlsHoverChanged));
|
|
controls.connect('scroll-event',
|
|
Lang.bind(this, this._onScrollEvent));
|
|
|
|
this._monitorIndex = Main.layoutManager.primaryIndex;
|
|
|
|
this._thumbnailsBox = new WorkspaceThumbnail.ThumbnailsBox();
|
|
controls.add_actor(this._thumbnailsBox.actor);
|
|
|
|
this.workspacesView = null;
|
|
|
|
this._inDrag = false;
|
|
this._cancelledDrag = false;
|
|
|
|
this._alwaysZoomOut = false;
|
|
this._zoomOut = false;
|
|
this._zoomFraction = 0;
|
|
|
|
this._updateAlwaysZoom();
|
|
|
|
Main.layoutManager.connect('monitors-changed', Lang.bind(this, this._updateAlwaysZoom));
|
|
global.screen.connect('notify::n-workspaces',
|
|
Lang.bind(this, this._workspacesChanged));
|
|
|
|
Main.xdndHandler.connect('drag-begin', Lang.bind(this, function(){
|
|
this._alwaysZoomOut = true;
|
|
}));
|
|
|
|
Main.xdndHandler.connect('drag-end', Lang.bind(this, function(){
|
|
this._alwaysZoomOut = false;
|
|
this._updateAlwaysZoom();
|
|
}));
|
|
|
|
this._switchWorkspaceNotifyId = 0;
|
|
|
|
this._itemDragBeginId = 0;
|
|
this._itemDragCancelledId = 0;
|
|
this._itemDragEndId = 0;
|
|
this._windowDragBeginId = 0;
|
|
this._windowDragCancelledId = 0;
|
|
this._windowDragEndId = 0;
|
|
},
|
|
|
|
show: function() {
|
|
this._zoomOut = this._alwaysZoomOut;
|
|
this._zoomFraction = this._alwaysZoomOut ? 1 : 0;
|
|
this._updateZoom();
|
|
|
|
this._controls.show();
|
|
this._thumbnailsBox.show();
|
|
|
|
this._workspaces = [];
|
|
for (let i = 0; i < global.screen.n_workspaces; i++) {
|
|
let metaWorkspace = global.screen.get_workspace_by_index(i);
|
|
this._workspaces[i] = new Workspace.Workspace(metaWorkspace, this._monitorIndex);
|
|
}
|
|
|
|
if (this.workspacesView)
|
|
this.workspacesView.destroy();
|
|
this.workspacesView = new WorkspacesView(this._workspaces);
|
|
this._updateWorkspacesGeometry();
|
|
|
|
this._restackedNotifyId =
|
|
global.screen.connect('restacked',
|
|
Lang.bind(this, this._onRestacked));
|
|
|
|
if (this._itemDragBeginId == 0)
|
|
this._itemDragBeginId = Main.overview.connect('item-drag-begin',
|
|
Lang.bind(this, this._dragBegin));
|
|
if (this._itemDragCancelledId == 0)
|
|
this._itemDragCancelledId = Main.overview.connect('item-drag-cancelled',
|
|
Lang.bind(this, this._dragCancelled));
|
|
if (this._itemDragEndId == 0)
|
|
this._itemDragEndId = Main.overview.connect('item-drag-end',
|
|
Lang.bind(this, this._dragEnd));
|
|
if (this._windowDragBeginId == 0)
|
|
this._windowDragBeginId = Main.overview.connect('window-drag-begin',
|
|
Lang.bind(this, this._dragBegin));
|
|
if (this._windowDragCancelledId == 0)
|
|
this._windowDragCancelledId = Main.overview.connect('window-drag-cancelled',
|
|
Lang.bind(this, this._dragCancelled));
|
|
if (this._windowDragEndId == 0)
|
|
this._windowDragEndId = Main.overview.connect('window-drag-end',
|
|
Lang.bind(this, this._dragEnd));
|
|
|
|
this._onRestacked();
|
|
},
|
|
|
|
hide: function() {
|
|
this._controls.hide();
|
|
this._thumbnailsBox.hide();
|
|
|
|
if (this._restackedNotifyId > 0){
|
|
global.screen.disconnect(this._restackedNotifyId);
|
|
this._restackedNotifyId = 0;
|
|
}
|
|
if (this._itemDragBeginId > 0) {
|
|
Main.overview.disconnect(this._itemDragBeginId);
|
|
this._itemDragBeginId = 0;
|
|
}
|
|
if (this._itemDragCancelledId > 0) {
|
|
Main.overview.disconnect(this._itemDragCancelledId);
|
|
this._itemDragCancelledId = 0;
|
|
}
|
|
if (this._itemDragEndId > 0) {
|
|
Main.overview.disconnect(this._itemDragEndId);
|
|
this._itemDragEndId = 0;
|
|
}
|
|
if (this._windowDragBeginId > 0) {
|
|
Main.overview.disconnect(this._windowDragBeginId);
|
|
this._windowDragBeginId = 0;
|
|
}
|
|
if (this._windowDragCancelledId > 0) {
|
|
Main.overview.disconnect(this._windowDragCancelledId);
|
|
this._windowDragCancelledId = 0;
|
|
}
|
|
if (this._windowDragEndId > 0) {
|
|
Main.overview.disconnect(this._windowDragEndId);
|
|
this._windowDragEndId = 0;
|
|
}
|
|
|
|
this.workspacesView.destroy();
|
|
this.workspacesView = null;
|
|
for (let w = 0; w < this._workspaces.length; w++) {
|
|
this._workspaces[w].disconnectAll();
|
|
this._workspaces[w].destroy();
|
|
}
|
|
},
|
|
|
|
// zoomFraction property allows us to tween the controls sliding in and out
|
|
set zoomFraction(fraction) {
|
|
this._zoomFraction = fraction;
|
|
this.actor.queue_relayout();
|
|
},
|
|
|
|
get zoomFraction() {
|
|
return this._zoomFraction;
|
|
},
|
|
|
|
_updateAlwaysZoom: function() {
|
|
// Always show the pager if workspaces are actually used,
|
|
// e.g. there are windows on more than one
|
|
this._alwaysZoomOut = global.screen.n_workspaces > 2;
|
|
|
|
if (this._alwaysZoomOut)
|
|
return;
|
|
|
|
let monitors = Main.layoutManager.monitors;
|
|
let primary = Main.layoutManager.primaryMonitor;
|
|
|
|
/* Look for any monitor to the right of the primary, if there is
|
|
* one, we always keep zoom out, otherwise its hard to reach
|
|
* the thumbnail area without passing into the next monitor. */
|
|
for (let i = 0; i < monitors.length; i++) {
|
|
if (monitors[i].x >= primary.x + primary.width) {
|
|
this._alwaysZoomOut = true;
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
|
|
_getPreferredWidth: function (actor, forHeight, alloc) {
|
|
// pass through the call in case the child needs it, but report 0x0
|
|
this._controls.get_preferred_width(forHeight);
|
|
},
|
|
|
|
_getPreferredHeight: function (actor, forWidth, alloc) {
|
|
// pass through the call in case the child needs it, but report 0x0
|
|
this._controls.get_preferred_height(forWidth);
|
|
},
|
|
|
|
_allocate: function (actor, box, flags) {
|
|
let childBox = new Clutter.ActorBox();
|
|
|
|
let totalWidth = box.x2 - box.x1;
|
|
|
|
// width of the controls
|
|
let [controlsMin, controlsNatural] = this._controls.get_preferred_width(box.y2 - box.y1);
|
|
|
|
// Amount of space on the screen we reserve for the visible control
|
|
let controlsVisible = this._controls.get_theme_node().get_length('visible-width');
|
|
let controlsReserved = controlsVisible * (1 - this._zoomFraction) + controlsNatural * this._zoomFraction;
|
|
|
|
let rtl = (St.Widget.get_default_direction () == St.TextDirection.RTL);
|
|
if (rtl) {
|
|
childBox.x2 = controlsReserved;
|
|
childBox.x1 = childBox.x2 - controlsNatural;
|
|
} else {
|
|
childBox.x1 = totalWidth - controlsReserved;
|
|
childBox.x2 = childBox.x1 + controlsNatural;
|
|
}
|
|
|
|
childBox.y1 = 0;
|
|
childBox.y2 = box.y2- box.y1;
|
|
this._controls.allocate(childBox, flags);
|
|
|
|
this._updateWorkspacesGeometry();
|
|
},
|
|
|
|
_updateWorkspacesGeometry: function() {
|
|
if (!this.workspacesView)
|
|
return;
|
|
|
|
let fullWidth = this.actor.allocation.x2 - this.actor.allocation.x1;
|
|
let fullHeight = this.actor.allocation.y2 - this.actor.allocation.y1;
|
|
|
|
let width = fullWidth;
|
|
let height = fullHeight;
|
|
|
|
let [controlsMin, controlsNatural] = this._controls.get_preferred_width(height);
|
|
let controlsVisible = this._controls.get_theme_node().get_length('visible-width');
|
|
|
|
let [x, y] = this.actor.get_transformed_position();
|
|
|
|
let rtl = (St.Widget.get_default_direction () == St.TextDirection.RTL);
|
|
|
|
let clipWidth = width - controlsVisible;
|
|
let clipHeight = (fullHeight / fullWidth) * clipWidth;
|
|
let clipX = rtl ? x + controlsVisible : x;
|
|
let clipY = y + (fullHeight - clipHeight) / 2;
|
|
|
|
this.workspacesView.setClipRect(clipX, clipY, clipWidth, clipHeight);
|
|
|
|
if (this._zoomOut) {
|
|
width -= controlsNatural;
|
|
if (rtl)
|
|
x += controlsNatural;
|
|
} else {
|
|
width -= controlsVisible;
|
|
if (rtl)
|
|
x += controlsVisible;
|
|
}
|
|
|
|
height = (fullHeight / fullWidth) * width;
|
|
let difference = fullHeight - height;
|
|
y += difference / 2;
|
|
|
|
this.workspacesView.setGeometry(x, y, width, height, difference);
|
|
},
|
|
|
|
_onRestacked: function() {
|
|
let stack = global.get_window_actors();
|
|
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;
|
|
}
|
|
|
|
this.workspacesView.syncStacking(stackIndices);
|
|
this._thumbnailsBox.syncStacking(stackIndices);
|
|
},
|
|
|
|
_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;
|
|
|
|
this._updateAlwaysZoom();
|
|
this._updateZoom();
|
|
|
|
if (this.workspacesView == null)
|
|
return;
|
|
|
|
let lostWorkspaces = [];
|
|
if (newNumWorkspaces > oldNumWorkspaces) {
|
|
// Assume workspaces are only added at the end
|
|
for (let w = oldNumWorkspaces; w < newNumWorkspaces; w++) {
|
|
let metaWorkspace = global.screen.get_workspace_by_index(w);
|
|
this._workspaces[w] = new Workspace.Workspace(metaWorkspace, this._monitorIndex);
|
|
}
|
|
|
|
this._thumbnailsBox.addThumbnails(oldNumWorkspaces, newNumWorkspaces - oldNumWorkspaces);
|
|
} else {
|
|
// Assume workspaces are only removed sequentially
|
|
// (e.g. 2,3,4 - not 2,4,7)
|
|
let removedIndex;
|
|
let removedNum = oldNumWorkspaces - newNumWorkspaces;
|
|
for (let w = 0; w < oldNumWorkspaces; w++) {
|
|
let metaWorkspace = global.screen.get_workspace_by_index(w);
|
|
if (this._workspaces[w].metaWorkspace != metaWorkspace) {
|
|
removedIndex = w;
|
|
break;
|
|
}
|
|
}
|
|
|
|
lostWorkspaces = this._workspaces.splice(removedIndex,
|
|
removedNum);
|
|
|
|
for (let l = 0; l < lostWorkspaces.length; l++) {
|
|
lostWorkspaces[l].disconnectAll();
|
|
lostWorkspaces[l].destroy();
|
|
}
|
|
|
|
this._thumbnailsBox.removeThumbmails(removedIndex, removedNum);
|
|
}
|
|
|
|
this.workspacesView.updateWorkspaces(oldNumWorkspaces,
|
|
newNumWorkspaces);
|
|
},
|
|
|
|
_updateZoom : function() {
|
|
if (Main.overview.animationInProgress)
|
|
return;
|
|
|
|
let shouldZoom = this._alwaysZoomOut || this._controls.hover;
|
|
if (shouldZoom != this._zoomOut) {
|
|
this._zoomOut = shouldZoom;
|
|
this._updateWorkspacesGeometry();
|
|
|
|
if (!this.workspacesView)
|
|
return;
|
|
|
|
Tweener.addTween(this,
|
|
{ zoomFraction: this._zoomOut ? 1 : 0,
|
|
time: WORKSPACE_SWITCH_TIME,
|
|
transition: 'easeOutQuad' });
|
|
|
|
this.workspacesView.updateWindowPositions();
|
|
}
|
|
},
|
|
|
|
_onControlsHoverChanged: function() {
|
|
this._updateZoom();
|
|
},
|
|
|
|
_dragBegin: function() {
|
|
this._inDrag = true;
|
|
this._cancelledDrag = false;
|
|
this._dragMonitor = {
|
|
dragMotion: Lang.bind(this, this._onDragMotion)
|
|
};
|
|
DND.addDragMonitor(this._dragMonitor);
|
|
},
|
|
|
|
_dragCancelled: function() {
|
|
this._cancelledDrag = true;
|
|
DND.removeDragMonitor(this._dragMonitor);
|
|
},
|
|
|
|
_onDragMotion: function(dragEvent) {
|
|
let controlsHovered = this._controls.contains(dragEvent.targetActor);
|
|
this._controls.set_hover(controlsHovered);
|
|
|
|
return DND.DragMotionResult.CONTINUE;
|
|
},
|
|
|
|
_dragEnd: function() {
|
|
this._inDrag = false;
|
|
|
|
// We do this deferred because drag-end is emitted before dnd.js emits
|
|
// event/leave events that were suppressed during the drag. If we didn't
|
|
// defer this, we'd zoom out then immediately zoom in because of the
|
|
// enter event we received. That would normally be invisible but we
|
|
// might as well avoid it.
|
|
Meta.later_add(Meta.LaterType.BEFORE_REDRAW,
|
|
Lang.bind(this, this._updateZoom));
|
|
},
|
|
|
|
_onScrollEvent: function (actor, event) {
|
|
switch ( event.get_scroll_direction() ) {
|
|
case Clutter.ScrollDirection.UP:
|
|
Main.wm.actionMoveWorkspaceUp();
|
|
break;
|
|
case Clutter.ScrollDirection.DOWN:
|
|
Main.wm.actionMoveWorkspaceDown();
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
Signals.addSignalMethods(WorkspacesDisplay.prototype);
|