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WindowManager.vala
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WindowManager.vala
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//
// Copyright (C) 2012-2014 Tom Beckmann, Rico Tzschichholz
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
namespace Gala {
private const string DAEMON_DBUS_NAME = "org.pantheon.gala.daemon";
private const string DAEMON_DBUS_OBJECT_PATH = "/org/pantheon/gala/daemon";
[DBus (name = "org.pantheon.gala.daemon")]
public interface Daemon: GLib.Object {
public abstract async void show_window_menu (WindowFlags flags, int x, int y) throws Error;
public abstract async void show_desktop_menu (int x, int y) throws Error;
}
public class WindowManagerGala : Meta.Plugin, WindowManager {
/**
* {@inheritDoc}
*/
public Clutter.Actor ui_group { get; protected set; }
/**
* {@inheritDoc}
*/
public Clutter.Stage stage { get; protected set; }
/**
* {@inheritDoc}
*/
public Clutter.Actor window_group { get; protected set; }
/**
* {@inheritDoc}
*/
public Clutter.Actor top_window_group { get; protected set; }
public Clutter.Actor notification_group { get; protected set; }
/**
* {@inheritDoc}
*/
public Meta.BackgroundGroup background_group { get; protected set; }
/**
* {@inheritDoc}
*/
public Gala.ActivatableComponent workspace_view { get; protected set; }
/**
* {@inheritDoc}
*/
public bool enable_animations { get; protected set; }
public ScreenShield? screen_shield { get; private set; }
public PointerLocator pointer_locator { get; private set; }
private SystemBackground system_background;
private Meta.PluginInfo info;
private WindowSwitcher? winswitcher = null;
private ActivatableComponent? window_overview = null;
public ScreenSaverManager? screensaver { get; private set; }
private HotCornerManager? hot_corner_manager = null;
public WindowTracker? window_tracker { get; private set; }
/**
* Allow to zoom in/out the entire desktop.
*/
private Zoom? zoom = null;
private AccentColorManager accent_color_manager;
private Clutter.Actor? tile_preview;
private Meta.Window? moving; //place for the window that is being moved over
private Daemon? daemon_proxy = null;
private NotificationStack notification_stack;
private Gee.LinkedList<ModalProxy> modal_stack = new Gee.LinkedList<ModalProxy> ();
private Gee.HashSet<Meta.WindowActor> minimizing = new Gee.HashSet<Meta.WindowActor> ();
private Gee.HashSet<Meta.WindowActor> maximizing = new Gee.HashSet<Meta.WindowActor> ();
private Gee.HashSet<Meta.WindowActor> unmaximizing = new Gee.HashSet<Meta.WindowActor> ();
private Gee.HashSet<Meta.WindowActor> mapping = new Gee.HashSet<Meta.WindowActor> ();
private Gee.HashSet<Meta.WindowActor> destroying = new Gee.HashSet<Meta.WindowActor> ();
private Gee.HashSet<Meta.WindowActor> unminimizing = new Gee.HashSet<Meta.WindowActor> ();
private GLib.HashTable<Meta.Window, int> ws_assoc = new GLib.HashTable<Meta.Window, int> (direct_hash, direct_equal);
private Meta.SizeChange? which_change = null;
private Meta.Rectangle old_rect_size_change;
private Clutter.Actor latest_window_snapshot;
private GLib.Settings animations_settings;
private GLib.Settings behavior_settings;
private GestureTracker gesture_tracker;
private bool animating_switch_workspace = false;
private bool animating_nudge = false;
private bool switch_workspace_with_gesture = false;
/**
* Amount of pixels to move on the nudge animation.
*/
public const float NUDGE_GAP = 32;
/**
* Gap to show between workspaces while switching between them.
*/
public const int WORKSPACE_GAP = 24;
construct {
gesture_tracker = new GestureTracker (AnimationDuration.WORKSPACE_SWITCH_MIN, AnimationDuration.WORKSPACE_SWITCH);
gesture_tracker.enable_touchpad ();
gesture_tracker.on_gesture_detected.connect (on_gesture_detected);
info = Meta.PluginInfo () {name = "Gala", version = Config.VERSION, author = "Gala Developers",
license = "GPLv3", description = "A nice elementary window manager"};
animations_settings = new GLib.Settings (Config.SCHEMA + ".animations");
animations_settings.bind ("enable-animations", this, "enable-animations", GLib.SettingsBindFlags.GET);
behavior_settings = new GLib.Settings (Config.SCHEMA + ".behavior");
enable_animations = animations_settings.get_boolean ("enable-animations");
}
public override void start () {
show_stage ();
Bus.watch_name (BusType.SESSION, DAEMON_DBUS_NAME, BusNameWatcherFlags.NONE, daemon_appeared, lost_daemon);
AccessDialog.watch_portal ();
unowned Meta.Display display = get_display ();
display.gl_video_memory_purged.connect (() => {
Meta.Background.refresh_all ();
SystemBackground.refresh ();
});
}
private void lost_daemon () {
daemon_proxy = null;
}
private void daemon_appeared () {
if (daemon_proxy == null) {
Bus.get_proxy.begin<Daemon> (BusType.SESSION, DAEMON_DBUS_NAME, DAEMON_DBUS_OBJECT_PATH, 0, null, (obj, res) => {
try {
daemon_proxy = Bus.get_proxy.end (res);
} catch (Error e) {
warning ("Failed to get Menu proxy: %s", e.message);
}
});
}
}
private bool show_stage () {
unowned Meta.Display display = get_display ();
screen_shield = new ScreenShield (this);
screensaver = new ScreenSaverManager (screen_shield);
DBus.init (this);
DBusAccelerator.init (this);
MediaFeedback.init ();
WindowListener.init (display);
KeyboardManager.init (display);
window_tracker = new WindowTracker ();
window_tracker.init (display);
notification_stack = new NotificationStack (display);
// Due to a bug which enables access to the stage when using multiple monitors
// in the screensaver, we have to listen for changes and make sure the input area
// is set to NONE when we are in locked mode
screensaver.active_changed.connect (update_input_area);
stage = display.get_stage () as Clutter.Stage;
var background_settings = new GLib.Settings ("org.gnome.desktop.background");
var color = background_settings.get_string ("primary-color");
stage.background_color = Clutter.Color.from_string (color);
unowned var laters = display.get_compositor ().get_laters ();
laters.add (Meta.LaterType.BEFORE_REDRAW, () => {
WorkspaceManager.init (this);
return false;
});
/* our layer structure:
* stage
* + system background
* + ui group
* +-- window group
* +---- background manager
* +-- shell elements
* +-- top window group
* +-- workspace view
* +-- window switcher
* +-- window overview
* +-- notification group
* +-- pointer locator
* +-- dwell click timer
* +-- screen shield
*/
system_background = new SystemBackground (display);
system_background.background_actor.add_constraint (new Clutter.BindConstraint (stage,
Clutter.BindCoordinate.ALL, 0));
stage.insert_child_below (system_background.background_actor, null);
ui_group = new Clutter.Actor ();
ui_group.reactive = true;
stage.add_child (ui_group);
window_group = display.get_window_group ();
stage.remove_child (window_group);
ui_group.add_child (window_group);
background_group = new BackgroundContainer (display);
((BackgroundContainer)background_group).show_background_menu.connect (on_show_background_menu);
window_group.add_child (background_group);
window_group.set_child_below_sibling (background_group, null);
top_window_group = display.get_top_window_group ();
stage.remove_child (top_window_group);
ui_group.add_child (top_window_group);
/*keybindings*/
var keybinding_settings = new GLib.Settings (Config.SCHEMA + ".keybindings");
display.add_keybinding ("switch-to-workspace-first", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_switch_to_workspace_end);
display.add_keybinding ("switch-to-workspace-last", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_switch_to_workspace_end);
display.add_keybinding ("move-to-workspace-first", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_move_to_workspace_end);
display.add_keybinding ("move-to-workspace-last", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_move_to_workspace_end);
display.add_keybinding ("cycle-workspaces-next", keybinding_settings, Meta.KeyBindingFlags.NONE, (Meta.KeyHandlerFunc) handle_cycle_workspaces);
display.add_keybinding ("cycle-workspaces-previous", keybinding_settings, Meta.KeyBindingFlags.NONE, (Meta.KeyHandlerFunc) handle_cycle_workspaces);
display.add_keybinding ("panel-main-menu", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_applications_menu);
display.add_keybinding ("switch-input-source", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_switch_input_source);
display.add_keybinding ("switch-input-source-backward", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_switch_input_source);
display.add_keybinding ("screenshot", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_screenshot);
display.add_keybinding ("window-screenshot", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_screenshot);
display.add_keybinding ("area-screenshot", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_screenshot);
display.add_keybinding ("screenshot-clip", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_screenshot);
display.add_keybinding ("window-screenshot-clip", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_screenshot);
display.add_keybinding ("area-screenshot-clip", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, (Meta.KeyHandlerFunc) handle_screenshot);
display.overlay_key.connect (() => {
launch_action ("overlay-action");
});
Meta.KeyBinding.set_custom_handler ("toggle-recording", () => {
launch_action ("toggle-recording-action");
});
Meta.KeyBinding.set_custom_handler ("switch-to-workspace-up", () => {});
Meta.KeyBinding.set_custom_handler ("switch-to-workspace-down", () => {});
Meta.KeyBinding.set_custom_handler ("switch-to-workspace-left", (Meta.KeyHandlerFunc) handle_switch_to_workspace);
Meta.KeyBinding.set_custom_handler ("switch-to-workspace-right", (Meta.KeyHandlerFunc) handle_switch_to_workspace);
Meta.KeyBinding.set_custom_handler ("move-to-workspace-up", () => {});
Meta.KeyBinding.set_custom_handler ("move-to-workspace-down", () => {});
Meta.KeyBinding.set_custom_handler ("move-to-workspace-left", (Meta.KeyHandlerFunc) handle_move_to_workspace);
Meta.KeyBinding.set_custom_handler ("move-to-workspace-right", (Meta.KeyHandlerFunc) handle_move_to_workspace);
unowned var monitor_manager = display.get_context ().get_backend ().get_monitor_manager ();
monitor_manager.monitors_changed.connect (on_monitors_changed);
hot_corner_manager = new HotCornerManager (this, behavior_settings);
hot_corner_manager.on_configured.connect (update_input_area);
hot_corner_manager.configure ();
zoom = new Zoom (this);
// Most things inside this "later" depend on GTK. We get segfaults if we try to do GTK stuff before the window manager
// is initialized, so we hold this stuff off until we're ready to draw
laters.add (Meta.LaterType.BEFORE_REDRAW, () => {
string[] args = {};
unowned string[] _args = args;
Gtk.init (ref _args);
accent_color_manager = new AccentColorManager ();
// initialize plugins and add default components if no plugin overrides them
var plugin_manager = PluginManager.get_default ();
plugin_manager.initialize (this);
plugin_manager.regions_changed.connect (update_input_area);
if (plugin_manager.workspace_view_provider == null
|| (workspace_view = (plugin_manager.get_plugin (plugin_manager.workspace_view_provider) as ActivatableComponent)) == null) {
workspace_view = new MultitaskingView (this);
ui_group.add_child ((Clutter.Actor) workspace_view);
}
Meta.KeyBinding.set_custom_handler ("show-desktop", () => {
if (workspace_view.is_opened ())
workspace_view.close ();
else
workspace_view.open ();
});
if (plugin_manager.window_switcher_provider == null) {
winswitcher = new WindowSwitcher (this);
ui_group.add_child (winswitcher);
Meta.KeyBinding.set_custom_handler ("switch-applications", (Meta.KeyHandlerFunc) winswitcher.handle_switch_windows);
Meta.KeyBinding.set_custom_handler ("switch-applications-backward", (Meta.KeyHandlerFunc) winswitcher.handle_switch_windows);
Meta.KeyBinding.set_custom_handler ("switch-windows", (Meta.KeyHandlerFunc) winswitcher.handle_switch_windows);
Meta.KeyBinding.set_custom_handler ("switch-windows-backward", (Meta.KeyHandlerFunc) winswitcher.handle_switch_windows);
Meta.KeyBinding.set_custom_handler ("switch-group", (Meta.KeyHandlerFunc) winswitcher.handle_switch_windows);
Meta.KeyBinding.set_custom_handler ("switch-group-backward", (Meta.KeyHandlerFunc) winswitcher.handle_switch_windows);
}
if (plugin_manager.window_overview_provider == null
|| (window_overview = (plugin_manager.get_plugin (plugin_manager.window_overview_provider) as ActivatableComponent)) == null) {
window_overview = new WindowOverview (this);
ui_group.add_child ((Clutter.Actor) window_overview);
}
notification_group = new Clutter.Actor ();
ui_group.add_child (notification_group);
pointer_locator = new PointerLocator (this);
ui_group.add_child (pointer_locator);
ui_group.add_child (new DwellClickTimer (this));
ui_group.add_child (screen_shield);
display.add_keybinding ("expose-windows", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, () => {
if (window_overview.is_opened ()) {
window_overview.close ();
} else {
window_overview.open ();
}
});
display.add_keybinding ("expose-all-windows", keybinding_settings, Meta.KeyBindingFlags.IGNORE_AUTOREPEAT, () => {
if (window_overview.is_opened ()) {
window_overview.close ();
} else {
var hints = new HashTable<string,Variant> (str_hash, str_equal);
hints.@set ("all-windows", true);
window_overview.open (hints);
}
});
plugin_manager.load_waiting_plugins ();
return false;
});
update_input_area ();
// while a workspace is being switched mutter doesn't map windows
// TODO: currently only notifications are handled here, other windows should be too
display.window_created.connect ((window) => {
if (!animating_switch_workspace) {
return;
}
if (window.window_type == Meta.WindowType.NOTIFICATION) {
unowned var actor = (Meta.WindowActor) window.get_compositor_private ();
clutter_actor_reparent (actor, notification_group);
notification_stack.show_notification (actor, enable_animations);
}
});
stage.show ();
Idle.add (() => {
// let the session manager move to the next phase
#if WITH_SYSTEMD
Systemd.Daemon.notify (true, "READY=1");
#endif
display.get_context ().notify_ready ();
return GLib.Source.REMOVE;
});
return false;
}
private void launch_action (string action_key) {
try {
var action = behavior_settings.get_string (action_key);
if (action != null && action != "") {
Process.spawn_command_line_async (action);
}
} catch (Error e) { warning (e.message); }
}
private void on_show_background_menu (int x, int y) {
if (daemon_proxy == null) {
return;
}
daemon_proxy.show_desktop_menu.begin (x, y, (obj, res) => {
try {
((Daemon) obj).show_desktop_menu.end (res);
} catch (Error e) {
message ("Error invoking MenuManager: %s", e.message);
}
});
}
private void on_monitors_changed () {
screen_shield.expand_to_screen_size ();
}
[CCode (instance_pos = -1)]
private void handle_cycle_workspaces (Meta.Display display, Meta.Window? window, Clutter.KeyEvent event,
Meta.KeyBinding binding) {
var direction = (binding.get_name () == "cycle-workspaces-next" ? 1 : -1);
unowned Meta.WorkspaceManager manager = display.get_workspace_manager ();
var index = manager.get_active_workspace_index () + direction;
int dynamic_offset = Meta.Prefs.get_dynamic_workspaces () ? 1 : 0;
if (index < 0)
index = manager.get_n_workspaces () - 1 - dynamic_offset;
else if (index > manager.get_n_workspaces () - 1 - dynamic_offset)
index = 0;
manager.get_workspace_by_index (index).activate (display.get_current_time ());
}
[CCode (instance_pos = -1)]
private void handle_move_to_workspace (Meta.Display display, Meta.Window? window,
Clutter.KeyEvent event, Meta.KeyBinding binding) {
if (window == null)
return;
var direction = (binding.get_name () == "move-to-workspace-left" ? Meta.MotionDirection.LEFT : Meta.MotionDirection.RIGHT);
move_window (window, direction);
}
[CCode (instance_pos = -1)]
private void handle_move_to_workspace_end (Meta.Display display, Meta.Window? window,
Clutter.KeyEvent event, Meta.KeyBinding binding) {
if (window == null)
return;
unowned Meta.WorkspaceManager manager = display.get_workspace_manager ();
var index = (binding.get_name () == "move-to-workspace-first" ? 0 : manager.get_n_workspaces () - 1);
var workspace = manager.get_workspace_by_index (index);
window.change_workspace (workspace);
workspace.activate_with_focus (window, display.get_current_time ());
}
[CCode (instance_pos = -1)]
private void handle_switch_to_workspace (Meta.Display display, Meta.Window? window,
Clutter.KeyEvent event, Meta.KeyBinding binding) {
var direction = (binding.get_name () == "switch-to-workspace-left" ? Meta.MotionDirection.LEFT : Meta.MotionDirection.RIGHT);
switch_to_next_workspace (direction);
}
[CCode (instance_pos = -1)]
private void handle_switch_to_workspace_end (Meta.Display display, Meta.Window? window,
Clutter.KeyEvent event, Meta.KeyBinding binding) {
unowned Meta.WorkspaceManager manager = display.get_workspace_manager ();
var index = (binding.get_name () == "switch-to-workspace-first" ? 0 : manager.n_workspaces - 1);
manager.get_workspace_by_index (index).activate (display.get_current_time ());
}
[CCode (instance_pos = -1)]
private void handle_applications_menu (Meta.Display display, Meta.Window? window,
Clutter.KeyEvent event, Meta.KeyBinding binding) {
launch_action ("panel-main-menu-action");
}
[CCode (instance_pos = -1)]
private void handle_switch_input_source (Meta.Display display, Meta.Window? window,
Clutter.KeyEvent event, Meta.KeyBinding binding) {
KeyboardManager.handle_modifiers_accelerator_activated (display, binding.get_name ().has_suffix ("-backward"));
}
[CCode (instance_pos = -1)]
private void handle_screenshot (Meta.Display display, Meta.Window? window,
Clutter.KeyEvent event, Meta.KeyBinding binding) {
switch (binding.get_name ()) {
case "screenshot":
screenshot_screen.begin ();
break;
case "area-screenshot":
screenshot_area.begin ();
break;
case "window-screenshot":
screenshot_current_window.begin ();
break;
case "screenshot-clip":
screenshot_screen.begin (true);
break;
case "area-screenshot-clip":
screenshot_area.begin (true);
break;
case "window-screenshot-clip":
screenshot_current_window.begin (true);
break;
}
}
private void on_gesture_detected (Gesture gesture) {
if (workspace_view.is_opened ()) {
return;
}
var can_handle_swipe = gesture.type == Clutter.EventType.TOUCHPAD_SWIPE &&
(gesture.direction == GestureDirection.LEFT || gesture.direction == GestureDirection.RIGHT);
var fingers = (gesture.fingers == 3 && GestureSettings.get_string ("three-finger-swipe-horizontal") == "switch-to-workspace") ||
(gesture.fingers == 4 && GestureSettings.get_string ("four-finger-swipe-horizontal") == "switch-to-workspace");
switch_workspace_with_gesture = can_handle_swipe && fingers;
if (switch_workspace_with_gesture) {
var direction = gesture_tracker.settings.get_natural_scroll_direction (gesture);
switch_to_next_workspace (direction);
}
}
/**
* {@inheritDoc}
*/
public void switch_to_next_workspace (Meta.MotionDirection direction) {
if (animating_switch_workspace || animating_nudge) {
return;
}
unowned Meta.Display display = get_display ();
var active_workspace = display.get_workspace_manager ().get_active_workspace ();
var neighbor = active_workspace.get_neighbor (direction);
if (neighbor != active_workspace) {
neighbor.activate (display.get_current_time ());
} else {
// if we didn't switch, show a nudge-over animation if one is not already in progress
if (workspace_view.is_opened () && workspace_view is MultitaskingView) {
((MultitaskingView) workspace_view).play_nudge_animation (direction);
} else {
play_nudge_animation (direction);
}
}
}
private void play_nudge_animation (Meta.MotionDirection direction) {
if (!enable_animations) {
return;
}
animating_nudge = true;
var nudge_gap = NUDGE_GAP * InternalUtils.get_ui_scaling_factor ();
float dest = 0;
if (!switch_workspace_with_gesture) {
dest = nudge_gap;
} else {
unowned Meta.Display display = get_display ();
var workspaces_geometry = InternalUtils.get_workspaces_geometry (display);
dest = workspaces_geometry.width;
}
if (direction == Meta.MotionDirection.RIGHT) {
dest *= -1;
}
GestureTracker.OnUpdate on_animation_update = (percentage) => {
var x = GestureTracker.animation_value (0.0f, dest, percentage, true);
ui_group.translation_x = x.clamp (-nudge_gap, nudge_gap);
};
GestureTracker.OnEnd on_animation_end = (percentage, cancel_action) => {
var nudge_gesture = new Clutter.PropertyTransition ("translation-x") {
duration = (AnimationDuration.NUDGE / 2),
remove_on_complete = true,
progress_mode = Clutter.AnimationMode.LINEAR
};
nudge_gesture.set_from_value (ui_group.translation_x);
nudge_gesture.set_to_value (0.0f);
ui_group.add_transition ("nudge", nudge_gesture);
switch_workspace_with_gesture = false;
animating_nudge = false;
};
if (!switch_workspace_with_gesture) {
double[] keyframes = { 0.5 };
GLib.Value[] x = { dest };
var nudge = new Clutter.KeyframeTransition ("translation-x") {
duration = AnimationDuration.NUDGE,
remove_on_complete = true,
progress_mode = Clutter.AnimationMode.EASE_IN_QUAD
};
nudge.set_from_value (0.0f);
nudge.set_to_value (0.0f);
nudge.set_key_frames (keyframes);
nudge.set_values (x);
nudge.completed.connect (() => {
animating_nudge = false;
});
ui_group.add_transition ("nudge", nudge);
} else {
gesture_tracker.connect_handlers (null, (owned) on_animation_update, (owned) on_animation_end);
}
}
private void update_input_area () {
unowned Meta.Display display = get_display ();
if (screensaver != null) {
try {
if (screensaver.get_active ()) {
InternalUtils.set_input_area (display, InputArea.NONE);
return;
}
} catch (Error e) {
// the screensaver object apparently won't be null even though
// it is unavailable. This error will be thrown however, so we
// can just ignore it, because if it is thrown, the screensaver
// is unavailable.
}
}
if (is_modal ())
InternalUtils.set_input_area (display, InputArea.FULLSCREEN);
else
InternalUtils.set_input_area (display, InputArea.DEFAULT);
}
private void show_bottom_stack_window (Meta.Window bottom_window) {
unowned Meta.Workspace workspace = bottom_window.get_workspace ();
if (Utils.get_n_windows (workspace) == 0) {
return;
}
var bottom_actor = bottom_window.get_compositor_private () as Meta.WindowActor;
if (enable_animations) {
animate_bottom_window_scale (bottom_actor);
}
uint fade_out_duration = 900U;
double[] op_keyframes = { 0.1, 0.9 };
GLib.Value[] opacity = { 20U, 20U };
workspace.list_windows ().@foreach ((window) => {
if (window.get_xwindow () == bottom_window.get_xwindow ()
|| !InternalUtils.get_window_is_normal (window)
|| window.minimized) {
return;
}
var actor = window.get_compositor_private () as Clutter.Actor;
if (enable_animations) {
var op_trans = new Clutter.KeyframeTransition ("opacity") {
duration = fade_out_duration,
remove_on_complete = true,
progress_mode = Clutter.AnimationMode.EASE_IN_OUT_QUAD
};
op_trans.set_from_value (255.0f);
op_trans.set_to_value (255.0f);
op_trans.set_key_frames (op_keyframes);
op_trans.set_values (opacity);
actor.add_transition ("opacity-hide", op_trans);
} else {
Timeout.add ((uint)(fade_out_duration * op_keyframes[0]), () => {
actor.opacity = (uint)opacity[0];
return false;
});
Timeout.add ((uint)(fade_out_duration * op_keyframes[1]), () => {
actor.opacity = 255U;
return false;
});
}
});
}
private void animate_bottom_window_scale (Meta.WindowActor actor) {
const string[] PROPS = { "scale-x", "scale-y" };
foreach (string prop in PROPS) {
double[] scale_keyframes = { 0.2, 0.3, 0.8 };
GLib.Value[] scale = { 1.0f, 1.07f, 1.07f };
var scale_trans = new Clutter.KeyframeTransition (prop) {
duration = 500,
remove_on_complete = true,
progress_mode = Clutter.AnimationMode.EASE_IN_QUAD
};
scale_trans.set_from_value (1.0f);
scale_trans.set_to_value (1.0f);
scale_trans.set_key_frames (scale_keyframes);
scale_trans.set_values (scale);
actor.add_transition ("magnify-%s".printf (prop), scale_trans);
}
}
/**
* {@inheritDoc}
*/
public void move_window (Meta.Window? window, Meta.MotionDirection direction) {
if (window == null) {
return;
}
unowned Meta.Display display = get_display ();
unowned Meta.WorkspaceManager manager = display.get_workspace_manager ();
unowned var active = manager.get_active_workspace ();
unowned var next = active.get_neighbor (direction);
// don't allow empty workspaces to be created by moving, if we have dynamic workspaces
if (Meta.Prefs.get_dynamic_workspaces () && Utils.get_n_windows (active) == 1 && next.index () == manager.n_workspaces - 1) {
Clutter.get_default_backend ().get_default_seat ().bell_notify ();
return;
}
// don't allow moving into non-existing workspaces
if (active == next) {
Clutter.get_default_backend ().get_default_seat ().bell_notify ();
return;
}
moving = window;
if (!window.is_on_all_workspaces ()) {
window.change_workspace (next);
}
next.activate_with_focus (window, display.get_current_time ());
}
/**
* {@inheritDoc}
*/
public ModalProxy push_modal (Clutter.Actor actor) {
var proxy = new ModalProxy ();
modal_stack.offer_head (proxy);
// modal already active
if (modal_stack.size >= 2)
return proxy;
unowned Meta.Display display = get_display ();
update_input_area ();
proxy.grab = stage.grab (actor);
if (modal_stack.size == 1) {
display.disable_unredirect ();
}
return proxy;
}
/**
* {@inheritDoc}
*/
public void pop_modal (ModalProxy proxy) {
if (!modal_stack.remove (proxy)) {
warning ("Attempted to remove a modal proxy that was not in the stack");
return;
}
proxy.grab.dismiss ();
if (is_modal ())
return;
update_input_area ();
unowned Meta.Display display = get_display ();
display.enable_unredirect ();
}
/**
* {@inheritDoc}
*/
public bool is_modal () {
return !modal_stack.is_empty;
}
/**
* {@inheritDoc}
*/
public bool modal_proxy_valid (ModalProxy proxy) {
return (proxy in modal_stack);
}
private void dim_parent_window (Meta.Window window, bool dim) {
unowned var ancestor = window.get_transient_for ();
if (ancestor != null && ancestor != window) {
unowned var win = (Meta.WindowActor) ancestor.get_compositor_private ();
// Can't rely on win.has_effects since other effects could be applied
if (dim) {
if (window.window_type == Meta.WindowType.MODAL_DIALOG) {
var dark_effect = new Clutter.BrightnessContrastEffect ();
dark_effect.set_brightness (-0.4f);
win.add_effect_with_name ("dim-parent", dark_effect);
}
} else if (win.get_effect ("dim-parent") != null) {
win.remove_effect_by_name ("dim-parent");
}
}
}
/**
* {@inheritDoc}
*/
public void perform_action (ActionType type) {
unowned Meta.Display display = get_display ();
var current = display.get_focus_window ();
switch (type) {
case ActionType.SHOW_WORKSPACE_VIEW:
if (workspace_view == null)
break;
if (workspace_view.is_opened ())
workspace_view.close ();
else
workspace_view.open ();
break;
case ActionType.MAXIMIZE_CURRENT:
if (current == null || current.window_type != Meta.WindowType.NORMAL || !current.can_maximize ())
break;
var maximize_flags = current.get_maximized ();
if (Meta.MaximizeFlags.VERTICAL in maximize_flags || Meta.MaximizeFlags.HORIZONTAL in maximize_flags)
current.unmaximize (Meta.MaximizeFlags.HORIZONTAL | Meta.MaximizeFlags.VERTICAL);
else
current.maximize (Meta.MaximizeFlags.HORIZONTAL | Meta.MaximizeFlags.VERTICAL);
break;
case ActionType.HIDE_CURRENT:
if (current != null && current.window_type == Meta.WindowType.NORMAL)
current.minimize ();
break;
case ActionType.START_MOVE_CURRENT:
if (current != null && current.allows_move ())
current.begin_grab_op (Meta.GrabOp.KEYBOARD_MOVING, true, Gtk.get_current_event_time ());
break;
case ActionType.START_RESIZE_CURRENT:
if (current != null && current.allows_resize ())
current.begin_grab_op (Meta.GrabOp.KEYBOARD_RESIZING_UNKNOWN, true, Gtk.get_current_event_time ());
break;
case ActionType.TOGGLE_ALWAYS_ON_TOP_CURRENT:
if (current == null)
break;
if (current.is_above ())
current.unmake_above ();
else
current.make_above ();
break;
case ActionType.TOGGLE_ALWAYS_ON_VISIBLE_WORKSPACE_CURRENT:
if (current == null)
break;
if (current.on_all_workspaces)
current.unstick ();
else
current.stick ();
break;
case ActionType.SWITCH_TO_WORKSPACE_PREVIOUS:
switch_to_next_workspace (Meta.MotionDirection.LEFT);
break;
case ActionType.SWITCH_TO_WORKSPACE_NEXT:
switch_to_next_workspace (Meta.MotionDirection.RIGHT);
break;
case ActionType.MOVE_CURRENT_WORKSPACE_LEFT:
move_window (current, Meta.MotionDirection.LEFT);
break;
case ActionType.MOVE_CURRENT_WORKSPACE_RIGHT:
move_window (current, Meta.MotionDirection.RIGHT);
break;
case ActionType.CLOSE_CURRENT:
if (current != null && current.can_close ())
current.@delete (Gtk.get_current_event_time ());
break;
case ActionType.OPEN_LAUNCHER:
try {
Process.spawn_command_line_async (
behavior_settings.get_string ("panel-main-menu-action")
);
} catch (Error e) {
warning (e.message);
}
break;
case ActionType.WINDOW_OVERVIEW:
if (window_overview == null)
break;
if (window_overview.is_opened ())
window_overview.close ();
else
window_overview.open ();
break;
case ActionType.WINDOW_OVERVIEW_ALL:
if (window_overview == null)
break;
if (window_overview.is_opened ())
window_overview.close ();
else {
var hints = new HashTable<string,Variant> (str_hash, str_equal);
hints.@set ("all-windows", true);
window_overview.open (hints);
}
break;
case ActionType.SWITCH_TO_WORKSPACE_LAST:
unowned Meta.WorkspaceManager manager = display.get_workspace_manager ();
var workspace = manager.get_workspace_by_index (manager.get_n_workspaces () - 1);
workspace.activate (display.get_current_time ());
break;
case ActionType.SCREENSHOT_CURRENT:
screenshot_current_window.begin ();
break;
default:
warning ("Trying to run unknown action");
break;
}
}
public override void show_window_menu (Meta.Window window, Meta.WindowMenuType menu, int x, int y) {
switch (menu) {
case Meta.WindowMenuType.WM:
if (daemon_proxy == null || window.get_window_type () == Meta.WindowType.NOTIFICATION) {
return;
}
WindowFlags flags = WindowFlags.NONE;
if (window.can_minimize ())
flags |= WindowFlags.CAN_HIDE;
if (window.can_maximize ())
flags |= WindowFlags.CAN_MAXIMIZE;
var maximize_flags = window.get_maximized ();
if (maximize_flags > 0) {
flags |= WindowFlags.IS_MAXIMIZED;
if (Meta.MaximizeFlags.VERTICAL in maximize_flags && !(Meta.MaximizeFlags.HORIZONTAL in maximize_flags)) {
flags |= WindowFlags.IS_TILED;
}
}
if (window.allows_move ())
flags |= WindowFlags.ALLOWS_MOVE;
if (window.allows_resize ())
flags |= WindowFlags.ALLOWS_RESIZE;
if (window.is_above ())
flags |= WindowFlags.ALWAYS_ON_TOP;
if (window.on_all_workspaces)
flags |= WindowFlags.ON_ALL_WORKSPACES;
if (window.can_close ())
flags |= WindowFlags.CAN_CLOSE;
daemon_proxy.show_window_menu.begin (flags, x, y, (obj, res) => {
try {
((Daemon) obj).show_window_menu.end (res);
} catch (Error e) {
message ("Error invoking MenuManager: %s", e.message);
}
});
break;
case Meta.WindowMenuType.APP:
// FIXME we don't have any sort of app menus
break;
}
}
public override void show_tile_preview (Meta.Window window, Meta.Rectangle tile_rect, int tile_monitor_number) {
if (tile_preview == null) {
tile_preview = new Clutter.Actor ();
var rgba = InternalUtils.get_theme_accent_color ();
tile_preview.background_color = {