gnome-shell/js/ui/windowManager.js
Giovanni Campagna 9dd2a467ba Main: filter keybindings when the shell is modal
Mutter now handles some keybindings even when the compositor is
grabbed, so we need to filter the invocation at the handler level.
This allows to finally get rid of a old hack.

https://bugzilla.gnome.org/show_bug.cgi?id=613543
2012-11-10 16:22:03 +01:00

629 lines
24 KiB
JavaScript

// -*- 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 Util = imports.misc.util;
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._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._workspaceSwitcherPopup = null;
Meta.keybindings_set_custom_handler('switch-to-workspace-left',
Util.wrapKeybinding(Lang.bind(this, this._showWorkspaceSwitcher), true));
Meta.keybindings_set_custom_handler('switch-to-workspace-right',
Util.wrapKeybinding(Lang.bind(this, this._showWorkspaceSwitcher), true));
Meta.keybindings_set_custom_handler('switch-to-workspace-up',
Util.wrapKeybinding(Lang.bind(this, this._showWorkspaceSwitcher), true));
Meta.keybindings_set_custom_handler('switch-to-workspace-down',
Util.wrapKeybinding(Lang.bind(this, this._showWorkspaceSwitcher), true));
Meta.keybindings_set_custom_handler('move-to-workspace-left',
Lang.bind(this, this._showWorkspaceSwitcher));
Meta.keybindings_set_custom_handler('move-to-workspace-right',
Lang.bind(this, this._showWorkspaceSwitcher));
Meta.keybindings_set_custom_handler('move-to-workspace-up',
Lang.bind(this, this._showWorkspaceSwitcher));
Meta.keybindings_set_custom_handler('move-to-workspace-down',
Lang.bind(this, this._showWorkspaceSwitcher));
Meta.keybindings_set_custom_handler('switch-windows',
Lang.bind(this, this._startAppSwitcher));
Meta.keybindings_set_custom_handler('switch-group',
Lang.bind(this, this._startAppSwitcher));
Meta.keybindings_set_custom_handler('switch-windows-backward',
Lang.bind(this, this._startAppSwitcher));
Meta.keybindings_set_custom_handler('switch-group-backward',
Lang.bind(this, this._startAppSwitcher));
Meta.keybindings_set_custom_handler('switch-panels',
Util.wrapKeybinding(Lang.bind(this, this._startA11ySwitcher), true));
global.display.add_keybinding('open-application-menu',
new Gio.Settings({ schema: SHELL_KEYBINDINGS_SCHEMA }),
Meta.KeyBindingFlags.NONE,
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]);
}));
},
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;
return actor.meta_window.get_window_type() == Meta.WindowType.NORMAL;
},
_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);
actor.move_anchor_point_from_gravity(Clutter.Gravity.CENTER);
/* scale window down to 0x0.
* maybe TODO: get icon geometry passed through and move the window towards it?
*/
this._minimizing.push(actor);
let primary = Main.layoutManager.primaryMonitor;
let xDest = primary.x;
if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
xDest += primary.width;
Tweener.addTween(actor,
{ scale_x: 0.0,
scale_y: 0.0,
x: xDest,
y: 0,
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.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 (actor.meta_window.is_attached_dialog()) {
this._checkDimming(actor.get_meta_window().get_transient_for());
if (this._shouldAnimate()) {
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]
});
return;
}
shellwm.completed_map(actor);
return;
}
if (!this._shouldAnimateActor(actor)) {
shellwm.completed_map(actor);
return;
}
actor.opacity = 0;
actor.show();
/* Fade window in */
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;
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 (window.is_attached_dialog()) {
let parent = window.get_transient_for();
this._checkDimming(parent, window);
if (!this._shouldAnimate()) {
shellwm.completed_destroy(actor);
return;
}
actor.set_scale(1.0, 1.0);
actor.scale_gravity = Clutter.Gravity.CENTER;
actor.show();
this._destroying.push(actor);
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);
}
},
_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;
else if (direction == Meta.MotionDirection.DOWN ||
direction == Meta.MotionDirection.DOWN_LEFT ||
direction == Meta.MotionDirection.DOWN_RIGHT)
yDest = -global.screen_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.AltTabPopup();
let modifiers = binding.get_modifiers();
let backwards = modifiers & Meta.VirtualModifier.SHIFT_MASK;
if (!tabPopup.show(backwards, binding.get_name(), binding.get_mask()))
tabPopup.destroy();
return true;
},
_startA11ySwitcher : function(display, screen, window, binding) {
let modifiers = binding.get_modifiers();
let backwards = modifiers & Meta.VirtualModifier.SHIFT_MASK;
Main.ctrlAltTabManager.popup(backwards, binding.get_mask());
return true;
},
_openAppMenu : function(display, screen, window, event, binding) {
Main.panel.openAppMenu();
return true;
},
_showWorkspaceSwitcher : function(display, screen, window, binding) {
if (screen.n_workspaces == 1)
return false;
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 false;
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());
}
return true;
},
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;
},
});