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show multiple workspaces in the overlay view. #563035

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svn path=/trunk/; revision=115
This commit is contained in:
Dan Winship 2008-12-04 15:16:16 +00:00
parent 436a5cd87b
commit 79d956b719
4 changed files with 217 additions and 122 deletions
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247
js/ui/desktops.js
View File

@ -26,80 +26,176 @@ const POSITIONS = {
5: [[0.165, 0.25, 0.28], [0.495, 0.25, 0.28], [0.825, 0.25, 0.28], [0.25, 0.75, 0.4], [0.75, 0.75, 0.4]]
};
// spacing between desktops
const GRID_SPACING = 15;
function Desktops(x, y, width, height) {
this._init(x, y, width, height);
}
Desktops.prototype = {
_init : function(x, y, width, height) {
this._windowClones = [];
this._group = new Clutter.Group();
this._x = x;
this._y = y;
this._width = width;
this._height = height;
this._group = new Clutter.Group();
this._workspaces = [];
},
show : function() {
let global = Shell.Global.get();
let windows = global.get_windows();
let desktopWindow = null;
let activeWorkspace = global.screen.get_active_workspace_index();
for (let i = 0; i < windows.length; i++)
if (windows[i].get_window_type() == Meta.WindowType.DESKTOP)
desktopWindow = windows[i];
// Create a group for each workspace (which lets us raise all of
// its clone windows together when the workspace is activated)
// and add the desktop windows
this._workspaces = [];
for (let w = 0; w < global.screen.n_workspaces; w++) {
this._workspaces[w] = new Clutter.Group();
this._group.add_actor(this._workspaces[w]);
}
this._createDesktopActors(windows);
// If a file manager is displaying desktop icons, there will
// be a desktop window. This window will have the size of the
// whole desktop. When such window is not present (e.g. when
// the preference for showing icons on the desktop is disabled
// by the user or we are running inside a Xephyr window), we
// should create a desktop rectangle to serve as the
// background.
if (desktopWindow)
this._createDesktopClone(desktopWindow);
else
this._createDesktopRectangle();
// The workspaces will go into a grid that is either square,
// or else 1 cell wider than it is tall.
// FIXME: need to make the metacity internal layout agree with this!
let gridWidth = Math.ceil(Math.sqrt(this._workspaces.length));
let gridHeight = Math.ceil(this._workspaces.length / gridWidth);
// Count the total number of windows so we know what layout scheme to use
let numberOfWindows = 0;
for (let i = 0; i < windows.length; i++) {
let w = windows[i];
if (w == desktopWindow || w.is_override_redirect())
continue;
let wsWidth = (this._width - (gridWidth - 1) * GRID_SPACING) / gridWidth;
let wsHeight = (this._height - (gridHeight - 1) * GRID_SPACING) / gridHeight;
let scale = wsWidth / global.screen_width;
numberOfWindows++;
// Position/scale the desktop windows and their children. This
// would be easier if we instead just positioned and scaled
// the entire workspace group, but if we do that then the
// windows of the active workspace will trace out a curved
// path as they move into place, which looks odd. Positioning
// everything independently lets us move them in a straight
// line.
for (let w = 0, x = this._x, y = this._y; w < this._workspaces.length; w++) {
let workspace = this._workspaces[w];
let desktop = workspace.get_nth_child(0);
if (w == activeWorkspace) {
// The currently-active workspace needs to
// slide/shrink into place
workspace.raise_top();
Tweener.addTween(desktop,
{ x: x,
y: y,
scale_x: scale,
scale_y: scale,
time: Overlay.ANIMATION_TIME,
transition: "easeOutQuad"
});
} else {
// Other workspaces can start out in place; they'll be
// revealed as the active workspace shrinks
desktop.set_position(x, y);
desktop.set_scale(scale, scale);
}
// Now create actors for all the desktop windows. Do it in
// reverse order so that the active actor ends up on top
let windowIndex = 0;
for (let i = windows.length - 1; i >= 0; i--) {
let w = windows[i];
if (w == desktopWindow || w.is_override_redirect())
continue;
this._createWindowClone(w, numberOfWindows - windowIndex - 1, numberOfWindows);
// Now handle the rest of the windows in this workspace
let wswindows = windows.filter(function (win) { return win.get_workspace() == w; });
// Do the windows in reverse order so that the active
// actor ends up on top
// for (let i = wswindows.length - 1, windowIndex = 0; i >= 0; i--) {
for (let i = 0, windowIndex = 0; i < wswindows.length; i++) {
let win = wswindows[i];
if (win.get_window_type() == Meta.WindowType.DESKTOP ||
win.is_override_redirect())
continue;
this._createWindowClone(wswindows[i], this._workspaces[w],
x, y, scale,
wswindows.length - windowIndex - 1,
wswindows.length,
w == activeWorkspace);
windowIndex++;
}
x += (wsWidth + GRID_SPACING);
if (x >= this._x + this._width - GRID_SPACING) {
x = this._x;
y += wsHeight + GRID_SPACING;
}
}
},
hide : function() {
for (let i = 0; i < this._windowClones.length; i++) {
this._windowClones[i].destroy();
}
let global = Shell.Global.get();
let activeWorkspace = global.screen.get_active_workspace_index();
this._windowClones = [];
this._workspaces[activeWorkspace].raise_top();
let windows = this._workspaces[activeWorkspace].get_children();
for (let i = 0; i < windows.length; i++) {
Tweener.addTween(windows[i],
{ x: windows[i].orig_x || 0,
y: windows[i].orig_y || 0,
scale_x: 1.0,
scale_y: 1.0,
time: Overlay.ANIMATION_TIME,
opacity: 255,
transition: "easeOutQuad"
});
}
},
_createDesktopClone : function(w) {
let clone = new Clutter.CloneTexture({ parent_texture: w.get_texture(),
hideDone : function() {
for (let w = 0; w < this._workspaces.length; w++) {
this._workspaces[w].destroy();
}
this._workspaces = [];
},
_createDesktopActors : function(windows) {
let me = this;
let global = Shell.Global.get();
// Find the desktop window or windows
for (let i = 0; i < windows.length; i++) {
if (windows[i].get_window_type() != Meta.WindowType.DESKTOP)
continue;
if (windows[i].get_meta_window().is_on_all_workspaces()) {
for (let w = 0; w < this._workspaces.length; w++)
this._workspaces[w].add_actor(this._cloneWindow(windows[i]));
break;
} else
this._workspaces[windows[i].get_workspace()].add_actor(this._cloneWindow(windows[i]));
}
// Create dummy desktops for workspaces that don't have
// desktop windows, and hook up button events on all desktops
for (let w = 0; w < this._workspaces.length; w++) {
if (this._workspaces[w].get_n_children() == 0)
this._workspaces[w].add_actor(this._createDesktopRectangle());
let workspace = global.screen.get_workspace_by_index(w);
this._workspaces[w].get_nth_child(0).connect(
"button-press-event",
function(clone, event) {
workspace.activate(event.get_time());
me._deactivate();
});
}
},
_cloneWindow : function(window) {
let w = new Clutter.CloneTexture({ parent_texture: window.get_texture(),
reactive: true,
x: 0,
y: 0 });
this._addDesktop(clone);
x: window.x,
y: window.y });
w.orig_x = window.x;
w.orig_y = window.y;
return w;
},
_createDesktopRectangle : function() {
@ -113,40 +209,15 @@ Desktops.prototype = {
// coordinates in both cases which makes the background window
// animate out from behind the panel.
let desktopRectangle = new Clutter.Rectangle({ color: global.stage.color,
return new Clutter.Rectangle({ color: global.stage.color,
reactive: true,
x: 0,
y: 0,
width: global.screen_width,
height: global.screen_height });
this._addDesktop(desktopRectangle);
},
_addDesktop : function(desktop) {
let me = this;
this._windowClones.push(desktop);
this._group.add_actor(desktop);
// Since the right side only moves a little bit (the width of padding
// we add) it looks less jittery to put the anchor there.
desktop.move_anchor_point_from_gravity(Clutter.Gravity.NORTH_EAST);
Tweener.addTween(desktop,
{ x: this._x + this._width,
y: this._y,
scale_x: Overlay.DESKTOP_SCALE,
scale_y: Overlay.DESKTOP_SCALE,
time: Overlay.ANIMATION_TIME,
transition: "easeOutQuad"
});
desktop.connect("button-press-event",
function() {
me._deactivate();
});
},
//windowIndex == 0 => top in stacking order
// windowIndex == 0 => top in stacking order
_computeWindowPosition : function(windowIndex, numberOfWindows) {
if (numberOfWindows in POSITIONS)
return POSITIONS[numberOfWindows][windowIndex];
@ -166,25 +237,23 @@ Desktops.prototype = {
return [xCenter, yCenter, fraction];
},
_createWindowClone : function(w, windowIndex, numberOfWindows) {
_createWindowClone : function(w, workspace, wsX, wsY, wsScale,
windowIndex, numberOfWindows, animate) {
let me = this;
let global = Shell.Global.get();
// We show the window using "clones" of the texture .. separate
// actors that mirror the original actors for the window. For
// animation purposes, it may be better to actually move the
// original actors about instead.
let clone = new Clutter.CloneTexture({ parent_texture: w.get_texture(),
reactive: true,
x: w.x,
y: w.y });
let clone = this._cloneWindow(w);
let [xCenter, yCenter, fraction] = this._computeWindowPosition(windowIndex, numberOfWindows);
let desiredSize = this._width * fraction;
let desiredSize = global.screen_width * fraction;
xCenter = this._x + xCenter * this._width;
yCenter = this._y + yCenter * this._height;
xCenter = wsX + wsScale * (xCenter * global.screen_width);
yCenter = wsY + wsScale * (yCenter * global.screen_height);
let size = clone.width;
if (clone.height > size)
@ -194,10 +263,11 @@ Desktops.prototype = {
let scale = desiredSize / size;
if (scale > 1)
scale = 1;
scale *= wsScale;
this._group.add_actor(clone);
this._windowClones.push(clone);
workspace.add_actor(clone);
if (animate) {
Tweener.addTween(clone,
{ x: xCenter - 0.5 * scale * w.width,
y: yCenter - 0.5 * scale * w.height,
@ -207,16 +277,31 @@ Desktops.prototype = {
opacity: WINDOW_OPACITY,
transition: "easeOutQuad"
});
} else {
clone.set_position(xCenter - 0.5 * scale * w.width,
yCenter - 0.5 * scale * w.height);
clone.set_scale(scale, scale);
clone.set_opacity(WINDOW_OPACITY);
}
clone.connect("button-press-event",
function(clone, event) {
clone.raise_top();
me._activateWindow(w, event.get_time());
});
},
_activateWindow : function(w, time) {
this._deactivate();
let global = Shell.Global.get();
let activeWorkspace = global.screen.get_active_workspace_index();
let windowWorkspace = w.get_workspace();
if (windowWorkspace != activeWorkspace) {
let workspace = global.screen.get_workspace_by_index(windowWorkspace);
workspace.activate_with_focus(w.get_meta_window(), time);
} else
w.get_meta_window().activate(time);
this._deactivate();
},
_deactivate : function() {

6
js/ui/main.js
View File

@ -15,6 +15,7 @@ DEFAULT_BACKGROUND_COLOR.from_pixel(0x2266bbff);
let panel = null;
let overlay = null;
let overlayActive = false;
let run_dialog = null;
let wm = null;
@ -143,11 +144,14 @@ function endModal() {
}
function show_overlay() {
if (startModal())
if (startModal()) {
overlayActive = true;
overlay.show();
}
}
function hide_overlay() {
overlay.hide();
overlayActive = false;
endModal();
}

42
js/ui/overlay.js
View File

@ -31,18 +31,17 @@ const ANIMATION_TIME = 0.5;
// How much to scale the desktop down by in overlay mode
const DESKTOP_SCALE = 0.75;
function Sideshow(width) {
this._init(width);
function Sideshow(parent, width) {
this._init(parent, width);
}
Sideshow.prototype = {
_init : function(width) {
_init : function(parent, width) {
let me = this;
let global = Shell.Global.get();
this.actor = new Clutter.Group();
this.actor.hide();
global.stage.add_actor(this.actor);
parent.add_actor(this.actor);
let icontheme = Gtk.IconTheme.get_default();
let rect = new Big.Box({ background_color: SIDESHOW_SEARCH_BG_COLOR,
corner_radius: 4,
@ -121,13 +120,10 @@ Sideshow.prototype = {
},
show: function() {
this.actor.show();
this._appdisplay.show();
},
hide: function() {
this.actor.hide();
this._appdisplay.hide();
}
};
Signals.addSignalMethods(Sideshow.prototype);
@ -163,7 +159,7 @@ Overlay.prototype = {
this._desktopWidth, this._desktopHeight);
this._group.add_actor(this._desktops._group);
this._sideshow = new Sideshow(this._desktopX - 10);
this._sideshow = new Sideshow(this._group, this._desktopX - 10);
this._sideshow.connect('activated', function(sideshow) {
// TODO - have some sort of animation/effect while
// transitioning to the new app. We definitely need
@ -195,16 +191,9 @@ Overlay.prototype = {
this._recalculateSize();
this._desktops.show();
this._sideshow.show();
// Slide in the sidebar as if it was attached to the left
// edge of the desktop as it shrinks down
this._sideshow.actor.x = - this._sideshow.actor.width;
Tweener.addTween(this._sideshow.actor,
{ x: 0,
time: ANIMATION_TIME,
transition: "easeOutQuad"
});
this._desktops.show();
this._desktops._group.raise_top();
// All the the actors in the window group are completely obscured,
// hiding the group holding them while the overlay is displayed greatly
@ -221,14 +210,25 @@ Overlay.prototype = {
if (!this.visible)
return;
this._desktops.hide();
this._sideshow.hide();
// Dummy tween, just waiting for the workspace animation
Tweener.addTween(this,
{ time: ANIMATION_TIME,
onComplete: this._hideDone,
onCompleteScope: this
});
},
_hideDone: function() {
let global = Shell.Global.get();
this.visible = false;
global.window_group.show();
this._group.lower_bottom();
this._group.hide();
this._desktops.hide();
this._sideshow.hide();
this._desktops.hideDone();
},
_deactivate : function() {

6
js/ui/windowmanager.js
View File

@ -34,6 +34,12 @@ WindowManager.prototype = {
},
switchWorkspace : function(windows, from, to, direction) {
// If the overlay is active, it will do the transition itself
if (Main.overlayActive) {
this._shellwm.completed_switch_workspace();
return;
}
/* @direction is the direction that the "camera" moves, so the
* screen contents have to move one screen's worth in the
* opposite direction.