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gnome-shell/js/ui/windowManager.js
Florian Müllner b682c8e052 main: Move KeybindingMode into Shell 
Having the definition in C instead of Javascript allows sharing
the corresponding header with gnome-settings-daemon.

https://bugzilla.gnome.org/show_bug.cgi?id=643111
2013-02-04 16:48:40 +01:00

729 lines
28 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);
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 {
/* scale window down to 0x0. */
let monitor = Main.layoutManager.findMonitorForWindow(actor.meta_window);
xDest = monitor.x;
yDest = monitor.y;
xScale = 0.0;
yScale = 0.0;
if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
xDest += monitor.width;
}
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.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;
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.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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