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gnome-shell/js/ui/windowManager.js
Adel Gadllah 049695b914 Minimize fullscreen windows when they end up in the background 
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
2013-02-18 19:30:56 +01:00

743 lines
29 KiB
JavaScript
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const GLib = imports.gi.GLib;
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const Meta = imports.gi.Meta;
const St = imports.gi.St;
const Shell = imports.gi.Shell;
const AltTab = imports.ui.altTab;
const WorkspaceSwitcherPopup = imports.ui.workspaceSwitcherPopup;
const Main = imports.ui.main;
const Tweener = imports.ui.tweener;
const SHELL_KEYBINDINGS_SCHEMA = 'org.gnome.shell.keybindings';
const WINDOW_ANIMATION_TIME = 0.25;
const DIM_BRIGHTNESS = -0.3;
const DIM_TIME = 0.500;
const UNDIM_TIME = 0.250;
const WindowDimmer = new Lang.Class({
Name: 'WindowDimmer',
_init: function(actor) {
this._brightnessEffect = new Clutter.BrightnessContrastEffect();
actor.add_effect(this._brightnessEffect);
this.actor = actor;
this._enabled = true;
this._dimFactor = 0.0;
this._syncEnabled();
},
_syncEnabled: function() {
this._brightnessEffect.enabled = (this._enabled && this._dimFactor > 0);
},
setEnabled: function(enabled) {
this._enabled = enabled;
this._syncEnabled();
},
set dimFactor(factor) {
this._dimFactor = factor;
this._brightnessEffect.set_brightness(factor * DIM_BRIGHTNESS);
this._syncEnabled();
},
get dimFactor() {
return this._dimFactor;
}
});
function getWindowDimmer(actor) {
let enabled = Meta.prefs_get_attach_modal_dialogs();
if (actor._windowDimmer)
actor._windowDimmer.setEnabled(enabled);
if (enabled) {
if (!actor._windowDimmer)
actor._windowDimmer = new WindowDimmer(actor);
return actor._windowDimmer;
} else {
return null;
}
}
const WindowManager = new Lang.Class({
Name: 'WindowManager',
_init : function() {
this._shellwm = global.window_manager;
this._minimizing = [];
this._maximizing = [];
this._unmaximizing = [];
this._mapping = [];
this._destroying = [];
this._movingWindow = null;
this._dimmedWindows = [];
this._animationBlockCount = 0;
this._allowedKeybindings = {};
this._switchData = null;
this._shellwm.connect('kill-switch-workspace', Lang.bind(this, this._switchWorkspaceDone));
this._shellwm.connect('kill-window-effects', Lang.bind(this, function (shellwm, actor) {
this._minimizeWindowDone(shellwm, actor);
this._maximizeWindowDone(shellwm, actor);
this._unmaximizeWindowDone(shellwm, actor);
this._mapWindowDone(shellwm, actor);
this._destroyWindowDone(shellwm, actor);
}));
this._shellwm.connect('switch-workspace', Lang.bind(this, this._switchWorkspace));
this._shellwm.connect('minimize', Lang.bind(this, this._minimizeWindow));
this._shellwm.connect('maximize', Lang.bind(this, this._maximizeWindow));
this._shellwm.connect('unmaximize', Lang.bind(this, this._unmaximizeWindow));
this._shellwm.connect('map', Lang.bind(this, this._mapWindow));
this._shellwm.connect('destroy', Lang.bind(this, this._destroyWindow));
this._shellwm.connect('filter-keybinding', Lang.bind(this, this._filterKeybinding));
this._workspaceSwitcherPopup = null;
this.setCustomKeybindingHandler('switch-to-workspace-left',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW,
Lang.bind(this, this._showWorkspaceSwitcher));
this.setCustomKeybindingHandler('switch-to-workspace-right',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW,
Lang.bind(this, this._showWorkspaceSwitcher));
this.setCustomKeybindingHandler('switch-to-workspace-up',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW,
Lang.bind(this, this._showWorkspaceSwitcher));
this.setCustomKeybindingHandler('switch-to-workspace-down',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW,
Lang.bind(this, this._showWorkspaceSwitcher));
this.setCustomKeybindingHandler('move-to-workspace-left',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW,
Lang.bind(this, this._showWorkspaceSwitcher));
this.setCustomKeybindingHandler('move-to-workspace-right',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW,
Lang.bind(this, this._showWorkspaceSwitcher));
this.setCustomKeybindingHandler('move-to-workspace-up',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW,
Lang.bind(this, this._showWorkspaceSwitcher));
this.setCustomKeybindingHandler('move-to-workspace-down',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW,
Lang.bind(this, this._showWorkspaceSwitcher));
this.setCustomKeybindingHandler('switch-applications',
Shell.KeyBindingMode.NORMAL,
Lang.bind(this, this._startAppSwitcher));
this.setCustomKeybindingHandler('switch-group',
Shell.KeyBindingMode.NORMAL,
Lang.bind(this, this._startAppSwitcher));
this.setCustomKeybindingHandler('switch-applications-backward',
Shell.KeyBindingMode.NORMAL,
Lang.bind(this, this._startAppSwitcher));
this.setCustomKeybindingHandler('switch-group-backward',
Shell.KeyBindingMode.NORMAL,
Lang.bind(this, this._startAppSwitcher));
this.setCustomKeybindingHandler('switch-windows',
Shell.KeyBindingMode.NORMAL,
Lang.bind(this, this._startWindowSwitcher));
this.setCustomKeybindingHandler('switch-windows-backward',
Shell.KeyBindingMode.NORMAL,
Lang.bind(this, this._startWindowSwitcher));
this.setCustomKeybindingHandler('switch-panels',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW |
Shell.KeyBindingMode.LOCK_SCREEN |
Shell.KeyBindingMode.UNLOCK_SCREEN |
Shell.KeyBindingMode.LOGIN_SCREEN,
Lang.bind(this, this._startA11ySwitcher));
this.setCustomKeybindingHandler('switch-panels-backward',
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW |
Shell.KeyBindingMode.LOCK_SCREEN |
Shell.KeyBindingMode.UNLOCK_SCREEN |
Shell.KeyBindingMode.LOGIN_SCREEN,
Lang.bind(this, this._startA11ySwitcher));
this.addKeybinding('open-application-menu',
new Gio.Settings({ schema: SHELL_KEYBINDINGS_SCHEMA }),
Meta.KeyBindingFlags.NONE,
Shell.KeyBindingMode.NORMAL,
Lang.bind(this, this._openAppMenu));
Main.overview.connect('showing', Lang.bind(this, function() {
for (let i = 0; i < this._dimmedWindows.length; i++)
this._undimWindow(this._dimmedWindows[i]);
}));
Main.overview.connect('hiding', Lang.bind(this, function() {
for (let i = 0; i < this._dimmedWindows.length; i++)
this._dimWindow(this._dimmedWindows[i]);
}));
},
setCustomKeybindingHandler: function(name, modes, handler) {
if (Meta.keybindings_set_custom_handler(name, handler))
this.allowKeybinding(name, modes);
},
addKeybinding: function(name, settings, flags, modes, handler) {
let action = global.display.add_keybinding(name, settings, flags, handler);
if (action != Meta.KeyBindingAction.NONE)
this.allowKeybinding(name, modes);
return action;
},
removeKeybinding: function(name) {
if (global.display.remove_keybinding(name))
this.allowKeybinding(name, Shell.KeyBindingMode.NONE);
},
allowKeybinding: function(name, modes) {
this._allowedKeybindings[name] = modes;
},
blockAnimations: function() {
this._animationBlockCount++;
},
unblockAnimations: function() {
this._animationBlockCount = Math.max(0, this._animationBlockCount - 1);
},
_shouldAnimate: function() {
return !(Main.overview.visible || this._animationBlockCount > 0);
},
_shouldAnimateActor: function(actor) {
if (!this._shouldAnimate())
return false;
let windowType = actor.meta_window.get_window_type();
return windowType == Meta.WindowType.NORMAL ||
windowType == Meta.WindowType.MODAL_DIALOG;
},
_removeEffect : function(list, actor) {
let idx = list.indexOf(actor);
if (idx != -1) {
list.splice(idx, 1);
return true;
}
return false;
},
_minimizeWindow : function(shellwm, actor) {
if (!this._shouldAnimateActor(actor)) {
shellwm.completed_minimize(actor);
return;
}
actor.set_scale(1.0, 1.0);
this._minimizing.push(actor);
if (actor.meta_window.is_monitor_sized()) {
Tweener.addTween(actor,
{ opacity: 0,
time: WINDOW_ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: this._minimizeWindowDone,
onCompleteScope: this,
onCompleteParams: [shellwm, actor],
onOverwrite: this._minimizeWindowOverwritten,
onOverwriteScope: this,
onOverwriteParams: [shellwm, actor]
});
} else {
let xDest, yDest, xScale, yScale;
let [success, geom] = actor.meta_window.get_icon_geometry();
if (success) {
xDest = geom.x;
yDest = geom.y;
xScale = geom.width / actor.width;
yScale = geom.height / actor.height;
} else {
let monitor = Main.layoutManager.monitors[actor.meta_window.get_monitor()];
xDest = monitor.x;
yDest = monitor.y;
if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
xDest += monitor.width;
xScale = 0;
yScale = 0;
}
Tweener.addTween(actor,
{ scale_x: xScale,
scale_y: yScale,
x: xDest,
y: yDest,
time: WINDOW_ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: this._minimizeWindowDone,
onCompleteScope: this,
onCompleteParams: [shellwm, actor],
onOverwrite: this._minimizeWindowOverwritten,
onOverwriteScope: this,
onOverwriteParams: [shellwm, actor]
});
}
},
_minimizeWindowDone : function(shellwm, actor) {
if (this._removeEffect(this._minimizing, actor)) {
Tweener.removeTweens(actor);
actor.set_scale(1.0, 1.0);
actor.set_opacity(255);
actor.move_anchor_point_from_gravity(Clutter.Gravity.NORTH_WEST);
shellwm.completed_minimize(actor);
}
},
_minimizeWindowOverwritten : function(shellwm, actor) {
if (this._removeEffect(this._minimizing, actor)) {
shellwm.completed_minimize(actor);
}
},
_maximizeWindow : function(shellwm, actor, targetX, targetY, targetWidth, targetHeight) {
shellwm.completed_maximize(actor);
},
_maximizeWindowDone : function(shellwm, actor) {
},
_maximizeWindowOverwrite : function(shellwm, actor) {
},
_unmaximizeWindow : function(shellwm, actor, targetX, targetY, targetWidth, targetHeight) {
shellwm.completed_unmaximize(actor);
},
_unmaximizeWindowDone : function(shellwm, actor) {
},
_hasAttachedDialogs: function(window, ignoreWindow) {
var count = 0;
window.foreach_transient(function(win) {
if (win != ignoreWindow && win.is_attached_dialog())
count++;
return false;
});
return count != 0;
},
_checkDimming: function(window, ignoreWindow) {
let shouldDim = this._hasAttachedDialogs(window, ignoreWindow);
if (shouldDim && !window._dimmed) {
window._dimmed = true;
this._dimmedWindows.push(window);
if (!Main.overview.visible)
this._dimWindow(window);
} else if (!shouldDim && window._dimmed) {
window._dimmed = false;
this._dimmedWindows = this._dimmedWindows.filter(function(win) {
return win != window;
});
if (!Main.overview.visible)
this._undimWindow(window);
}
},
_dimWindow: function(window) {
let actor = window.get_compositor_private();
if (!actor)
return;
let dimmer = getWindowDimmer(actor);
if (!dimmer)
return;
Tweener.addTween(dimmer,
{ dimFactor: 1.0,
time: DIM_TIME,
transition: 'linear'
});
},
_undimWindow: function(window) {
let actor = window.get_compositor_private();
if (!actor)
return;
let dimmer = getWindowDimmer(actor);
if (!dimmer)
return;
Tweener.addTween(dimmer,
{ dimFactor: 0.0,
time: UNDIM_TIME,
transition: 'linear' });
},
_mapWindow : function(shellwm, actor) {
actor._windowType = actor.meta_window.get_window_type();
actor._notifyWindowTypeSignalId = actor.meta_window.connect('notify::window-type', Lang.bind(this, function () {
let type = actor.meta_window.get_window_type();
if (type == actor._windowType)
return;
if (type == Meta.WindowType.MODAL_DIALOG ||
actor._windowType == Meta.WindowType.MODAL_DIALOG) {
let parent = actor.get_meta_window().get_transient_for();
if (parent)
this._checkDimming(parent);
}
actor._windowType = type;
}));
if (!this._shouldAnimateActor(actor)) {
shellwm.completed_map(actor);
return;
}
if (actor.meta_window.is_attached_dialog()) {
/* Scale the window from the center of the parent */
this._checkDimming(actor.get_meta_window().get_transient_for());
actor.set_scale(1.0, 0.0);
actor.scale_gravity = Clutter.Gravity.CENTER;
actor.show();
this._mapping.push(actor);
Tweener.addTween(actor,
{ scale_y: 1,
time: WINDOW_ANIMATION_TIME,
transition: "easeOutQuad",
onComplete: this._mapWindowDone,
onCompleteScope: this,
onCompleteParams: [shellwm, actor],
onOverwrite: this._mapWindowOverwrite,
onOverwriteScope: this,
onOverwriteParams: [shellwm, actor]
});
} else {
/* Fade window in */
actor.opacity = 0;
actor.show();
this._mapping.push(actor);
Tweener.addTween(actor,
{ opacity: 255,
time: WINDOW_ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: this._mapWindowDone,
onCompleteScope: this,
onCompleteParams: [shellwm, actor],
onOverwrite: this._mapWindowOverwrite,
onOverwriteScope: this,
onOverwriteParams: [shellwm, actor]
});
}
},
_mapWindowDone : function(shellwm, actor) {
if (this._removeEffect(this._mapping, actor)) {
Tweener.removeTweens(actor);
actor.opacity = 255;
actor.scale_y = 1;
shellwm.completed_map(actor);
}
},
_mapWindowOverwrite : function(shellwm, actor) {
if (this._removeEffect(this._mapping, actor)) {
shellwm.completed_map(actor);
}
},
_destroyWindow : function(shellwm, actor) {
let window = actor.meta_window;
if (actor._notifyWindowTypeSignalId) {
window.disconnect(actor._notifyWindowTypeSignalId);
actor._notifyWindowTypeSignalId = 0;
}
if (window._dimmed) {
this._dimmedWindows = this._dimmedWindows.filter(function(win) {
return win != window;
});
}
if (!this._shouldAnimateActor(actor)) {
shellwm.completed_destroy(actor);
return;
}
this._destroying.push(actor);
if (window.is_attached_dialog()) {
let parent = window.get_transient_for();
this._checkDimming(parent, window);
actor.set_scale(1.0, 1.0);
actor.scale_gravity = Clutter.Gravity.CENTER;
actor.show();
actor._parentDestroyId = parent.connect('unmanaged', Lang.bind(this, function () {
Tweener.removeTweens(actor);
this._destroyWindowDone(shellwm, actor);
}));
Tweener.addTween(actor,
{ scale_y: 0,
time: WINDOW_ANIMATION_TIME,
transition: "easeOutQuad",
onComplete: this._destroyWindowDone,
onCompleteScope: this,
onCompleteParams: [shellwm, actor],
onOverwrite: this._destroyWindowDone,
onOverwriteScope: this,
onOverwriteParams: [shellwm, actor]
});
return;
}
shellwm.completed_destroy(actor);
},
_destroyWindowDone : function(shellwm, actor) {
if (this._removeEffect(this._destroying, actor)) {
let parent = actor.get_meta_window().get_transient_for();
if (parent && actor._parentDestroyId) {
parent.disconnect(actor._parentDestroyId);
actor._parentDestroyId = 0;
}
shellwm.completed_destroy(actor);
}
},
_filterKeybinding: function(shellwm, binding) {
if (Main.keybindingMode == Shell.KeyBindingMode.NONE)
return true;
// There's little sense in implementing a keybinding in mutter and
// not having it work in NORMAL mode; handle this case generically
// so we don't have to explicitly allow all builtin keybindings in
// NORMAL mode.
if (Main.keybindingMode == Shell.KeyBindingMode.NORMAL &&
binding.is_builtin())
return false;
return !(this._allowedKeybindings[binding.get_name()] & Main.keybindingMode);
},
_switchWorkspace : function(shellwm, from, to, direction) {
if (!this._shouldAnimate()) {
shellwm.completed_switch_workspace();
return;
}
let windows = global.get_window_actors();
/* @direction is the direction that the "camera" moves, so the
* screen contents have to move one screen's worth in the
* opposite direction.
*/
let xDest = 0, yDest = 0;
if (direction == Meta.MotionDirection.UP ||
direction == Meta.MotionDirection.UP_LEFT ||
direction == Meta.MotionDirection.UP_RIGHT)
yDest = global.screen_height - Main.panel.actor.height;
else if (direction == Meta.MotionDirection.DOWN ||
direction == Meta.MotionDirection.DOWN_LEFT ||
direction == Meta.MotionDirection.DOWN_RIGHT)
yDest = -global.screen_height + Main.panel.actor.height;
if (direction == Meta.MotionDirection.LEFT ||
direction == Meta.MotionDirection.UP_LEFT ||
direction == Meta.MotionDirection.DOWN_LEFT)
xDest = global.screen_width;
else if (direction == Meta.MotionDirection.RIGHT ||
direction == Meta.MotionDirection.UP_RIGHT ||
direction == Meta.MotionDirection.DOWN_RIGHT)
xDest = -global.screen_width;
let switchData = {};
this._switchData = switchData;
switchData.inGroup = new Clutter.Group();
switchData.outGroup = new Clutter.Group();
switchData.movingWindowBin = new Clutter.Group();
switchData.windows = [];
let wgroup = global.window_group;
wgroup.add_actor(switchData.inGroup);
wgroup.add_actor(switchData.outGroup);
wgroup.add_actor(switchData.movingWindowBin);
for (let i = 0; i < windows.length; i++) {
let window = windows[i];
if (!window.meta_window.showing_on_its_workspace())
continue;
if (this._movingWindow && window.meta_window == this._movingWindow) {
switchData.movingWindow = { window: window,
parent: window.get_parent() };
switchData.windows.push(switchData.movingWindow);
window.reparent(switchData.movingWindowBin);
} else if (window.get_workspace() == from) {
switchData.windows.push({ window: window,
parent: window.get_parent() });
window.reparent(switchData.outGroup);
} else if (window.get_workspace() == to) {
switchData.windows.push({ window: window,
parent: window.get_parent() });
window.reparent(switchData.inGroup);
window.show_all();
}
}
switchData.inGroup.set_position(-xDest, -yDest);
switchData.inGroup.raise_top();
switchData.movingWindowBin.raise_top();
Tweener.addTween(switchData.outGroup,
{ x: xDest,
y: yDest,
time: WINDOW_ANIMATION_TIME,
transition: 'easeOutQuad',
onComplete: this._switchWorkspaceDone,
onCompleteScope: this,
onCompleteParams: [shellwm]
});
Tweener.addTween(switchData.inGroup,
{ x: 0,
y: 0,
time: WINDOW_ANIMATION_TIME,
transition: 'easeOutQuad'
});
},
_switchWorkspaceDone : function(shellwm) {
let switchData = this._switchData;
if (!switchData)
return;
this._switchData = null;
for (let i = 0; i < switchData.windows.length; i++) {
let w = switchData.windows[i];
if (w.window.is_destroyed()) // Window gone
continue;
if (w.window.get_parent() == switchData.outGroup) {
w.window.reparent(w.parent);
w.window.hide();
} else
w.window.reparent(w.parent);
}
Tweener.removeTweens(switchData.inGroup);
Tweener.removeTweens(switchData.outGroup);
switchData.inGroup.destroy();
switchData.outGroup.destroy();
switchData.movingWindowBin.destroy();
if (this._movingWindow)
this._movingWindow = null;
shellwm.completed_switch_workspace();
},
_startAppSwitcher : function(display, screen, window, binding) {
/* prevent a corner case where both popups show up at once */
if (this._workspaceSwitcherPopup != null)
this._workspaceSwitcherPopup.destroy();
let tabPopup = new AltTab.AppSwitcherPopup();
let modifiers = binding.get_modifiers();
let backwards = modifiers & Meta.VirtualModifier.SHIFT_MASK;
if (!tabPopup.show(backwards, binding.get_name(), binding.get_mask()))
tabPopup.destroy();
},
_startWindowSwitcher : function(display, screen, window, binding) {
/* prevent a corner case where both popups show up at once */
if (this._workspaceSwitcherPopup != null)
this._workspaceSwitcherPopup.destroy();
let tabPopup = new AltTab.WindowSwitcherPopup();
let modifiers = binding.get_modifiers();
let backwards = modifiers & Meta.VirtualModifier.SHIFT_MASK;
if (!tabPopup.show(backwards, binding.get_name(), binding.get_mask()))
tabPopup.destroy();
},
_startA11ySwitcher : function(display, screen, window, binding) {
let modifiers = binding.get_modifiers();
let backwards = modifiers & Meta.VirtualModifier.SHIFT_MASK;
Main.ctrlAltTabManager.popup(backwards, binding.get_name(), binding.get_mask());
},
_openAppMenu : function(display, screen, window, event, binding) {
Main.panel.openAppMenu();
},
_showWorkspaceSwitcher : function(display, screen, window, binding) {
if (screen.n_workspaces == 1)
return;
let [action,,,direction] = binding.get_name().split('-');
let direction = Meta.MotionDirection[direction.toUpperCase()];
let newWs;
if (direction != Meta.MotionDirection.UP &&
direction != Meta.MotionDirection.DOWN)
return;
if (action == 'switch')
newWs = this.actionMoveWorkspace(direction);
else
newWs = this.actionMoveWindow(window, direction);
if (!Main.overview.visible) {
if (this._workspaceSwitcherPopup == null) {
this._workspaceSwitcherPopup = new WorkspaceSwitcherPopup.WorkspaceSwitcherPopup();
this._workspaceSwitcherPopup.connect('destroy', Lang.bind(this, function() {
this._workspaceSwitcherPopup = null;
}));
}
this._workspaceSwitcherPopup.display(direction, newWs.index());
}
},
actionMoveWorkspace: function(direction) {
let activeWorkspace = global.screen.get_active_workspace();
let toActivate = activeWorkspace.get_neighbor(direction);
if (activeWorkspace != toActivate)
toActivate.activate(global.get_current_time());
return toActivate;
},
actionMoveWindow: function(window, direction) {
let activeWorkspace = global.screen.get_active_workspace();
let toActivate = activeWorkspace.get_neighbor(direction);
if (activeWorkspace != toActivate) {
// This won't have any effect for "always sticky" windows
// (like desktop windows or docks)
this._movingWindow = window;
window.change_workspace(toActivate);
global.display.clear_mouse_mode();
toActivate.activate_with_focus (window, global.get_current_time());
}
return toActivate;
},
});
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