Currently, the translation values are set with the assumption that
one of the actors represents a fullscreen window. In order to
generalize it for any size change transition, we can simply swap
the monitor rect with the source or target rect as appropriate,
and translate the actor from the target to the source position by
subtracting the former and adding the latter.
https://bugzilla.gnome.org/show_bug.cgi?id=766685
Since there is already targetRect that represents where the
window is going to move, rename oldRect to sourceRect to
represent from where the window is moving.
https://bugzilla.gnome.org/show_bug.cgi?id=766685
GJS implements a basic signal system that allows monkey-patching
JS objects with signal methods resembling the GObject ones. However
it's clearly not a good idea to replace the actual GObject methods,
so use the proper GObject facilities when inheriting from GObject.
https://bugzilla.gnome.org/show_bug.cgi?id=778660
We have no guarantees on the number of ::size-changed signals that we may
receive, so the _sizeChangedWindow handler may run multiple times, which
leads to multiple calls to meta_plugin_size_change_completed(). So double
check the actor is not already being animated in the _sizeChangedWindow
handler to avoid reentrancy.
https://bugzilla.gnome.org/show_bug.cgi?id=777784
Wayland clients can request their surfaces to be fullscreened before
commiting a buffer which means that we need to handle fullscreen
requests for which the old size is 0x0, preferably without warnings.
Since the mapping animation also runs for these windows, we can simply
bail out and ignore the fullscreen size change.
https://bugzilla.gnome.org/show_bug.cgi?id=770345
Wayland clients are in control of their window size so the existing
mutter plugin API, which assumes size changes are synchronous, doesn't
work for them since when our size-change handler runs the MetaWindow's
size isn't final yet.
To fix this, the mutter plugin API was extended with a size-changed
vfunc that lets us know when the MetaWindow size has actually
changed. This way we can make the window snapshot and get the old
window size on the existing size-change handler and later, on the new
size-changed handler, get the new size and start the animation.
https://bugzilla.gnome.org/show_bug.cgi?id=770345
This is an implementation of the pad OSD that's been previously
present in gnome-settings-daemon. Since things are moving closer
to the compositor, it makes sense to have this implemented as shell
UI.
https://bugzilla.gnome.org/show_bug.cgi?id=771067
Similar to windows on another workspace, selecting a minimized window
doesn't look quite right - the selected window disappears, then animates
back in. Fix this by adding support for skipping the next effect to the
wm and use it to bypass the unminimize animation.
https://bugzilla.gnome.org/show_bug.cgi?id=771536
Mutter's plugin destroy event doesn't happen if a window is hidden
when it gets unmanaged so we also need to handle the
MetaWindow::unmanaged signal to check whether the parent should
dimmed.
https://bugzilla.gnome.org/show_bug.cgi?id=752524
meta_window_foreach_transient() iterates through all transients of a
window, not only direct transients. This means that simply checking if
a transient is an attached dialog isn't enough because it might be a
non-direct transient for the window we're checking, in which case we
don't want to dim the window.
In particular this fixes windows not getting undimmed when they have
more that one level of transient children and the direct transient gets
destroyed. In that case we would still find at least one non-direct
transient child and decide to keep the window dimmed.
https://bugzilla.gnome.org/show_bug.cgi?id=770163
The various switcher keybindings are handled identically, except for
the popup that is shown; update the code to reflect that instead of
duplicating the code again and again.
https://bugzilla.gnome.org/show_bug.cgi?id=730739
The code to handle cycling through windows without showing a popup
was removed from mutter a while ago, which left the corresponding
keybindings mostly broken (i.e. they now only switch between two
windows). With the various switch-foo keybindings handled by the
shell, it is now easier to take over the cycle-foo keybindings as
well.
https://bugzilla.gnome.org/show_bug.cgi?id=730739
Now that we no longer skip dimming/undimming windows while showing
the overview, we can still save a bit of work by changing the dimming
without animation while the window is hidden.
https://bugzilla.gnome.org/show_bug.cgi?id=762475
We skip window animations while the overview is shown (and the window
group is hidden) to avoid unnecessary work. However when an attached
modal dialog is opened or closed, this involves checking whether the
parent window should be dimmed - skipping that test means that we can
simply fail to dim or undim a window altogether, so do that check
unconditionally.
https://bugzilla.gnome.org/show_bug.cgi?id=762475
If we get another effect on the same actor, we should make sure to
remove the clone through the "overwrite" methods provided by Tweener, or
there will be a race that might end up with a stray clone being left
around.
https://bugzilla.gnome.org/show_bug.cgi?id=756714
The translation should describe the difference between the fullscreened
and unfullscreened position of the window - however we are currently
assuming a fullscreen position of (0, 0) instead of the monitor's origin,
which causes glitches on dualscreen setups.
https://bugzilla.gnome.org/show_bug.cgi?id=756697
We use the newly introduced feature from Mutter to hook up our own
fullscreen and unfullscreen animations.
To give the illusion of a transition as smooth as possible, we create a
snapshot of the current contents of the actor before its state is
changed, and crossfade between the two states while the size changes.
https://bugzilla.gnome.org/show_bug.cgi?id=707248
Follow the design we have in gtk+ for buttons dialogs,
which are at the bottom and they expand full width, having
the same amount of space for each one.
Also, since this removes any space for non-button widgets
in the button area, move the spinner present in the auth prompt
dialog next to the password entry.
https://bugzilla.gnome.org/show_bug.cgi?id=746108
This object (not really a Clutter.GestureAction) sets up a captured-event
handler, which exclusively looks for 4 finger touchpad swipes, emitting
an ::activated signal under the same terms than WorkspaceSwitchAction.
https://bugzilla.gnome.org/show_bug.cgi?id=752250
shell_global_get_overrides_settings() may return %NULL in case of
custom shell modes (i.e. not the default and classic ones); while
this is not officially encouraged, we should still handle it rather
than throw an error.
https://bugzilla.gnome.org/show_bug.cgi?id=751921
Just reuse this gesture rather than implementing edge detection ourselves.
As a plus, we might get touchpad swipe support when Clutter handles it.
https://bugzilla.gnome.org/show_bug.cgi?id=749742
Pause dynamic workspace management while workspaceSwitcherPopup
is shown so as to eliminate infinite creation and destruction of
workspaces, thus preventing stuttering while trying to move a
window to last workspace.
Add _isWorkspacePrepended flag to make sure only a single workspace
is prepended at a time thus preventing the possibility of prepending
infinite workspaces while dynamic workspace management is on pause.
Prepend a new workspace by creating a new workspace instead of only
shifting the windows to next workspace so that the workspaceSwitcherPopup
may appear in sync with what's happening behind the scene and display
correct number of workspaces.
https://bugzilla.gnome.org/show_bug.cgi?id=712778
"Moving" a window to another workspace doesn't make sense when it cannot
be unstuck, and is potentially confusing if a new workspace is added at
the start/end - just don't do anything in that case.
https://bugzilla.gnome.org/show_bug.cgi?id=746782
Users currently can't switch VTs while at the login screen.
This commit fixes that, by adding the relevant keybindings
to the login screen's allowed keybindings list.
https://bugzilla.gnome.org/show_bug.cgi?id=744800
The code described by the comment was moved away in commit eda27d51,
so it is not misleading at best. It wasn't too useful to begin with,
so kill it off rather than moving it to the correct place ...
When using dynamic workspaces, a new workspace will be appended
when moving a window down to the last (empty) workspace. It makes
sense to extend the behavior in the opposite direction, and prepend
a new workspace when moving a window up from the first workspace.
https://bugzilla.gnome.org/show_bug.cgi?id=665764
New workspaces are inserted by shifting all windows on workspaces
below the insertion position down. As a result, when the new
workspace is inserted before the active one, we end up with
the illusion of a workspace switch. Instead, activate the workspace
on which the windows from the active one ended up.
https://bugzilla.gnome.org/show_bug.cgi?id=665764
We are not supposed to mess around with OR windows, so don't try
to shift them to a different workspace. This fixes a warning with
newer versions of mutter.
https://bugzilla.gnome.org/show_bug.cgi?id=665764
We will soon allow to insert a new workspace by other means than
DND in between workspace thumbnails, so move the relevant code
to a new windowManager method.
https://bugzilla.gnome.org/show_bug.cgi?id=665764
So that we'll recreate it the next time we want to show it. Otherwise,
we'll try to call things on a half-destroyed ResizePopup and end up
causing errors instead of showing the user their resize popup.
When animating workspace switches, windows on the old and new workspaces
are temporarily reparented. If windows are restacked, those windows will
thus be ignored by mutter until meta_switch_workspace_completed() resyncs
the stacking at the end of the animation.
As a result, activating a window on another workspace that is not on top
of the stack is very noticeably a two-step operation of switching workspace
and raising the window. There is a technical reason for that order[0], but
we can avoid the visible disruption by manually syncing the stack during
the switch operation.
[0] https://git.gnome.org/browse/mutter/tree/src/core/workspace.c#n590https://bugzilla.gnome.org/show_bug.cgi?id=741680
Just like keybindings and the message tray pointer barrier, gestures
don't always make sense - for instance, swiping up the screen shield
should not trigger the message tray just as the SelectArea action around
the left edge should not open the overview.
To avoid this, restrict gestures based on the current keybinding mode.
https://bugzilla.gnome.org/show_bug.cgi?id=740237
Now that mutter gives a way to check if a MetaKeyBinding was marked as
'reversed' or not, gnome-shell does not have to hardcode that a
MetaKeyBinding using a shift modifier is reversed, it can directly check
if the appropriate flag is set.
https://bugzilla.gnome.org/show_bug.cgi?id=732296
The animation is the same for modal dialogs, but it is now
run for non modal dialogs too (matching the new behavior on
show).
In addition, we run a destroy animation for normal windows,
if they use CSD (there are technical limitations that prevent
running animations after destroy on server decorated windows)
https://bugzilla.gnome.org/show_bug.cgi?id=732857
Commit 6c2f3d1d17 moved pref overrides into JS to implement
session mode specific overrides in a clean and generic way.
However that approach comes with a cost - doing the overrides only
after having handled over control to JS means that the core will
be initialized with the non-overridden settings before changing
to the correct values. In the best case this is unnecessary work,
but it can in fact have a worse effect: when initializing workspaces,
we will restore the previous number of workspaces when using
dynamic-workspaces and reset to the configured number otherwise.
As the non-overridden default for dynamic-workspaces is FALSE, we
can easily end up moving the user's windows to the "wrong" workspace.
Now GSettings is expected to grow support for session specific defaults,
which will render our entire override system obsolete (yay!). Given
that, it seems acceptable to use a less generic (and uglier) approach
in the meanwhile, in order to fix aforementioned problems. So move
overrides back before core initialization and just hardcode the
session-mode => override-schema relation.
https://bugzilla.gnome.org/show_bug.cgi?id=695487
Having the full geometry of the menu's source button (if any) will
allow us to address several misbehaviors of window menus, so use
that instead of show_menu().
https://bugzilla.gnome.org/show_bug.cgi?id=731058
We now allow "appmenu" in the button layout to make synchronizing it
with GTK+'s client-side decorations easier, but as some people tweak
their settings to get in-window app menus even when using the shell,
actually pop up the app menu when the button is activated.
https://bugzilla.gnome.org/show_bug.cgi?id=730752
With tile previews being implemented as Clutter actors in the shell, we
can now easily add fancy animations when showing/hiding the preview.
Besides looking more polished, the animations also help understanding
what will happen to the window when the drag is finished.
https://bugzilla.gnome.org/show_bug.cgi?id=665758
Currently workspaces (except for the last one) are removed when
they become empty. While we do have special treatment for the
case where the currently active workspace is removed, we just
move directly without animations to the last workspace to avoid
ending up on a "random" workspace. However this behavior is still
a bit confusing, so keep the workspace around instead until the
user decides to move to another one.
https://bugzilla.gnome.org/show_bug.cgi?id=709064
Windows in the overview should be like they appear in the workspace,
including modal dialogs that are attached above them.
In addition, hiding the dialogs in the overview causes a flash as
dialog appears at the end of the transition.
Based on a patch by Maxim Ermilov <zaspire@rambler.ru>
https://bugzilla.gnome.org/show_bug.cgi?id=650843
Activating the overview is fairly easy (hot corner, <super>), so doing it
automatically after closing the last window on a workspace does not save
a lot of effort; it does result in a surprising context switch when the
user does not expect the behavior.
https://bugzilla.gnome.org/show_bug.cgi?id=662581
Unfortunately, display configuration can and does fail, due
to unspecified HW constraints, drivers bugs, unsupported exotic
configurations or just bad luck.
So when the user makes a change in the control center, show
a dialog asking him if it looks OK, and revert back after 20 seconds
otherwise.
https://bugzilla.gnome.org/show_bug.cgi?id=706208
We've long had the hasWorkspaces property, but it doesn't seem like
it was ever used. Implement it so that we don't have workspaces in
initial-setup mode.
Since it's difficult to make it change at runtime with a decent set
of semantics, and we never expect that to happen, don't bother
implementing it dynamically.
https://bugzilla.gnome.org/show_bug.cgi?id=698593
We currently monitor the shell's override schema for changes to
the 'dynamic-workspaces' key, which ends up being the wrong
schema in classic mode. With the new ability to use mode-specific
overides, we can finally fix this.
https://bugzilla.gnome.org/show_bug.cgi?id=701717
Currently we show the workspace popup for relative targets ("up", "down"),
but not when targetting a specific workspace directly.
There is not really a good reason for that difference, and as we are about
to introduce a new shortcut to target the last workspace (which does vary
with dynamic workspaces), it makes sense to unify the behavior and always
show the switcher.
https://bugzilla.gnome.org/show_bug.cgi?id=659288
It makes sense to allow closing the app menu with the same shortcut
that is used to open it, so make it a toggle action and allow it
TOPBAR_POPUP mode.
https://bugzilla.gnome.org/show_bug.cgi?id=686756
Alt-Tab away from a monitor sized on the primary monitor results into the top
panel being displayed on top of the window which looks very bad.
So just hide those windows by minimizing them.
The icon geometry animation does not really make sense for fullscreen windows
so just fade them out.
https://bugzilla.gnome.org/show_bug.cgi?id=693991
meta_display_add_keybinding() returns a keybinding action ID for
dynamically registered keybindings which can be used to match a
keycode/mask pair to the action it is bound to.
https://bugzilla.gnome.org/show_bug.cgi?id=682315
We previously scaled windows to (primary.x, 0), which is wrong if the
primary monitor is not at y == 0. At the same time, change the policy
to pick the hot corner on the monitor the window is on, because that's
closest to where it will appear in the overview.
https://bugzilla.gnome.org/show_bug.cgi?id=690241
If we overwrite a map animation (for example because the actor is now destroyed),
we need to complete it first, otherwise it starts off from a random
middle point. This is the same treatment opacity gets for normal windows.
https://bugzilla.gnome.org/show_bug.cgi?id=690241
Now that we use the new 'switch-applications' keybinding for the
application-based alt-tab popup, we can use the 'switch-windows'
keybinding for a more traditional switcher.
Based heavily on the alternate-tab extension from Giovanni Campagna.
https://bugzilla.gnome.org/show_bug.cgi?id=688913
The Shell's alt-tab popup is application-based, so using the
'switch-windows' keybinding for it never really made sense.
Use the newly added 'switch-applications' keybinding instead.
https://bugzilla.gnome.org/show_bug.cgi?id=688913
The original condition the property was based on was added to make
the a11y switcher available in the login screen, though it did never
work properly - after popping up the switcher, additional tab key
presses were ignored. As we are now able to filter bindings much more
selectively, we can simplify the check and drop the sessionMode property.
https://bugzilla.gnome.org/show_bug.cgi?id=688202
With the new flexible system in place, there's no point explicitly
hardcoding some built-in keybindings; just use the generic mechanism
for everything.
https://bugzilla.gnome.org/show_bug.cgi?id=688202
Currently we hardcode the set of keybindings that are available in the
overview; add a generic mechanism to specify in which KeybindingModes
a keybinding should be available.
https://bugzilla.gnome.org/show_bug.cgi?id=688202
We are currently using a hack to allow a select set of keybindings
in the overview. Implement the new MetaPlugin keybinding_filter
hook, which provides a cleaner way to achieve the same.
https://bugzilla.gnome.org/show_bug.cgi?id=688202
The fade animation we started using after centering attached
modal dialogs didn't work too well. So after going back to the
scale animation, adjust it to scale from the center rather
than the top, which works quite well.
https://bugzilla.gnome.org/show_bug.cgi?id=681601
The combination of desaturating and lowering the brightness does
not work too well in all cases, in particular for applications
using the dark theme variant. Dropping the desaturation effect and
making the brightness adjustment more profound gives a better
result.
https://bugzilla.gnome.org/show_bug.cgi?id=681601
Changing the number of workspaces while the popup was visible (which
happens when moving windows on the last non empty workspace) resulted
in a wrong layout. Fix that, by listening to workspace-added and
workspace-removed signals, and by always requesting an updated size
from the actor.
https://bugzilla.gnome.org/show_bug.cgi?id=679005
While modal dialogs were attached to the parent's titlebar, it
made sense to leave the top of the parent window at full color.
With the new position of modal dialogs, it makes more sense to dim
the entire parent window, so we can use a combination of Clutter's
BrightnessContrast- and DesaturateEffect instead of our own custom
shader.
https://bugzilla.gnome.org/show_bug.cgi?id=674499
With modal dialogs no longer being attached to their parents'
titlebar, the current animation no longer works too well. Use
a simple fade animation instead.
https://bugzilla.gnome.org/show_bug.cgi?id=674499
Right now the "move to workspace" keyboard shortcut transition isn't smooth. It
shows the window disappearing, hopping to the next workspace, and then sliding
into view. "Pin" the window to the stage while the animation is in progress,
then release it afterwards.
https://bugzilla.gnome.org/show_bug.cgi?id=660839
Install a custom handler for move-to-workspace-* keybindings that
shows the workspace switcher, which gives the user a sense of
direction when navigating with the keyboard.
https://bugzilla.gnome.org/show_bug.cgi?id=674104
Most of code implementing workspace switches was repeated with
minor differences on each direction. Instead, consolidate it
and use the new meta_workspace_get_neighbor.
https://bugzilla.gnome.org/show_bug.cgi?id=674104
With the application menu now being more than a stub, it has
become a much more interesting target, so add a keyboard shortcut
to open it directly.
This should also ease some of the pain for focus-follows-mouse users.
https://bugzilla.gnome.org/show_bug.cgi?id=672909
The last patch in the sequence. Every place that was previously
setting prototype has been ported to Lang.Class, to make code more
concise and allow for better toString().
https://bugzilla.gnome.org/show_bug.cgi?id=664436
js2-mode is no longer developed and we recommend js-mode these days,
so switch the modelines to specify that, and make them consistent
across all files.
https://bugzilla.gnome.org/show_bug.cgi?id=660358
While we allow for arbitrary modifiers in keybindings, both the
alt-tab and ctrl-alt-tab popups close when ALT is not present in
the modifier mask, resulting in ALT being de-facto hardcoded.
Instead, pass the actual modifier mask when invoking the popups.
https://bugzilla.gnome.org/show_bug.cgi?id=645200
Applying the "dim window" effect to the MetaWindowActor has two avantages:
first it avoids triggering bugs where ClutterOffscreenEffect doesn't handle
clone paint correctly. Second, it avoids showing the window as dimmed in
alt-Tab and the overview, which is weird.
The small downside of this is that the shadow becomes slightly gray when
the window dimmed, which is wrong - if we switched from blending with gray
to a combination of desaturation and darkening, this problem wouldn't
happen.
Revert out the addition of startY to the shader, since we don't need it
and fix the application of alpha, since we need to handle alpha correctly
for the shadow.
https://bugzilla.gnome.org/show_bug.cgi?id=659634
Without this, the dim "fade" will start at the top of the untrimmed actor. With
a large enough draggable_border_width setting, this will show no fade at all.
https://bugzilla.gnome.org/show_bug.cgi?id=659302
The way the window dimmer shader is applied will cause rendering errors with
the rounded corners, invisible borders or shaped textures since it doesn't deal
well with the multitexturing used by the MetaShapedTexture. Use an off-screen
buffer to flatten the texture before being applied.
https://bugzilla.gnome.org/show_bug.cgi?id=659302
Remove ShellGlobal's monitor-related methods, and have
Main.layoutManager provide that information instead. Move
Main._relayout() to LayoutManager, and have other objects connect to
the layout manager's 'monitors-changed' signal to know when the screen
geometry has changed.
https://bugzilla.gnome.org/show_bug.cgi?id=636963
Simplify the accounting of which windows we should dim by checking
the current state of windows rather than trying to track changes,
and by keeping a list of dimmed windows rather than a list of windows
with a dimmed parent. Remove windows from the list of dimmed windows
when they are destroyed.
This should fix problems where destroyed windows could end up in
the list of dimmed windows.
https://bugzilla.gnome.org/show_bug.cgi?id=644167
Fix the "panel" icon to be symbolic. Make the overview parts only show
up when in the overview, and the non-overview parts (eg, the Desktop
window, if there is one) only show up when not in the overview. Sort
the different items consistently with their locations on the screen.
https://bugzilla.gnome.org/show_bug.cgi?id=618887
With workspaces now being stacked vertically, the horizontal
indicators in the workspace switcher are rather odd. There are
some designs for an improved workspace switch animation, but
it may take a while to implement them, so for now just change
the orientation of the existing switcher.
https://bugzilla.gnome.org/show_bug.cgi?id=641931
The new plans for a row of workspace thumbnails on the right side of the
overview means that the mental model we present to the user will be
vertical, so switch the Metacity workspace layout to be vertical and
adjust the keybinding handling, animations, and workspace layout in
the overview to match.
(This commit does not change the workspace switching indicator pending
finalization of what we want to do with that - it still shows workspaces
arranged vertically.)
https://bugzilla.gnome.org/show_bug.cgi?id=640996
MutterWindow and MutterPlugin have been renamed to MetaWindowActor
and MetaPlugin, mutter_plugin_list_windows() to
meta_plugin_list_window_actors(). Adapt to those changes.
https://bugzilla.gnome.org/show_bug.cgi?id=632500
Modal dialogs slide back into the titlebar of the parent window when destroyed.
This looks weird if the parent window itself has been destroyed, so cancel the
effect in this case.
https://bugzilla.gnome.org/show_bug.cgi?id=629560
Override the new mutter preference /apps/mutter/general/attach_modal_dialogs
to attach modal dialogs to their parent window. Animate the modal dialogs
expanding from the top of the parent window. Slowly dim the parent window
after the dialog comes up.
https://bugzilla.gnome.org/show_bug.cgi?id=612726
This is our convention.
The only exceptions are double quotes for words in comments that give
them a special meaning (though beware that these quotes are not truly
necessary most of the time) and double quotes that need to be a part
of the output string.
Replace the current workspace switcher popup (which is still the old metacity popup), with a clutter based one, which fits better into the overall shell design.
https://bugzilla.gnome.org/show_bug.cgi?id=609187
The design document states:
"Animate the action as shrinking into or being consumed by the Activities Item"
This makes it clear what happens to the window (i.e it doesn't vanish but can be brought back by going to the overview).
https://bugzilla.gnome.org/show_bug.cgi?id=609079
This slightly changes the behaviour of the alt+tab window, this way:
when using alt-tab on a workspace that contains two or more windows from
the same window, the application selected when hitting alt+tab is the
currently selected application, but the highlighted window is the next
one.
Intended goal is to make it easier to cycle around windows of the same
application while not having to cycle through all the applications first.
https://bugzilla.gnome.org/show_bug.cgi?id=590563
It slows things down, it's a slightly weird effect, and because the
window is still live while it's animating, you may see subwindows
being destroyed during the animation.
https://bugzilla.gnome.org/show_bug.cgi?id=596441
The maximize effect looked really ugly. In the absence of any cooler
effects, none at all is better than what we have. Current compiz
doesn't have one either.
Note that in the future when we merge the frame into the panel
in the maximize case, we may want an effect for that.
Replace 'overlay' with the more descriptive name 'overview'
where the Activities Overview is meant. Call it Overview
(capitalized) in code comments.
The overlay-group and overlay-key provided by Mutter are not
affected, since they may be used for other components than
the Activities Overview.
Rather than having main.js manage this, put it into overlay.js, and
have the overlay object emit signals that other code can watch to do
things when the overlay is showing/shown/hiding/hidden.
Try to fix all places where we accidentally used foo_bar instead
of fooBar for function names, function parameters, and variables.
(Lucas Rocha pointed out one example.)
http://bugzilla.gnome.org/show_bug.cgi?id=581141
This is a fairly simple implementation, not all that different from
plain metacity's. Further improvements could be made to
js/ui/altTab.js in the future.
http://bugzilla.gnome.org/show_bug.cgi?id=580917
Automatically removes tweens on destroyed actors, and provides
additional "animation started/stopped" callbacks (eg, for tracking
whether or not to show window clone titles)
Since tweener can't do multiple tweens on the same property, it
calls an overwrite callback for any existing tweens when a new
tween is added for the same property. Here we use the overwrite
callback to tell mutter that the effects are done.
Previously we were only doing this check for switch-workspace, but it
makes sense to do it for all transitions, since they won't be visible
anyway, and they might interfere with the overlay's operations by moving
windows around unexpectedly.
svn path=/trunk/; revision=177
switchWorkspaceDone was being called with the wrong 'this', causing
ShellWM.completed_switch_workspace() never to be called, causing stacking
order to get confused.
http://bugzilla.gnome.org/show_bug.cgi?id=567091
svn path=/trunk/; revision=142
