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extension.js
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const { Clutter, Meta, Gdk, Shell, St } = imports.gi;
const ExtensionUtils = imports.misc.extensionUtils;
const Main = imports.ui.main;
const Me = ExtensionUtils.getCurrentExtension();
const AltTab = imports.ui.altTab;
const layoutManager = Main.layoutManager;
const monitor = layoutManager.primaryMonitor;
//~ Just Perfection 的隐藏桌面菜单
const _backgroundMenu = imports.ui.backgroundMenu;
const orig_bgMenu = _backgroundMenu.BackgroundMenu.prototype.open;
const aggregateMenu = Main.panel.statusArea.aggregateMenu;
//~ 增加热角,替换原型函数
const HotCorner = imports.ui.layout.HotCorner;
const _LayoutManager = imports.ui.layout.LayoutManager;
const orig_updateHotCorners = _LayoutManager.prototype._updateHotCorners;
//~ 最大化后,panel变成dragWindow状态,导致panel正上方点击失效。所以禁止它的拖放函数。
const _Panel = imports.ui.panel.Panel;
const orig_tryDragWindow = _Panel.prototype._tryDragWindow;
// Edge Gap 增加一个屏幕右侧占位
let rightGap = null;
const gap = 8;
function lg(s) { log("===" + Me.uuid.split('@')[0] + "===>" + s); };
//~ TODO:
//~ 判断鼠标下面有没有窗口。window_under_pointer
//~ 窗口去掉装饰条。不想使用外挂的xprop。
//~ 窗口上,全局附加alt键。
//~ 全屏后,panel消失,无法点击。需要全局控制权。
//~ 桌面双击才有效,gnome42+wayland下,单击正常了。。。
class AltMouse {
constructor() {
this.previousDirection = Meta.MotionDirection.UP;
this.settings = ExtensionUtils.getSettings();
this.clickEventId = global.stage.connect('button-release-event', this.clickEvent.bind(this));
this.scrollEventId = global.stage.connect('scroll-event', this.scrollEvent.bind(this));
}
skip_extensions() {
let [x, y] = global.get_pointer();
let pickedActor = global.stage.get_actor_at_pos(Clutter.PickMode.ALL, x, y);
if (pickedActor.get_name() == 'panel') return false; // panel
if (pickedActor.width == monitor.width) return false; // desktop
if (pickedActor.width == gap) return false; // gap
return true; //其他无名字的,以及‘xFloat’,都是面板上的扩展,需要跳过。
}
clickEvent(actor, event) {
if (this.skip_extensions()) return Clutter.EVENT_PROPAGATE;
const altkey = event.get_state() & Clutter.ModifierType.MOD1_MASK;
const debug = false;
if (debug) { //调试模式,按ctrl点击,显示点击的坐标。
const ctrlkey = event.get_state() & Clutter.ModifierType.CONTROL_MASK;
if (ctrlkey) {
const [x, y] = global.get_pointer();
lg(x + ',' + y);
return Clutter.EVENT_STOP;
}
}
let w = global.display.get_focus_window();
if (!w) return Clutter.EVENT_PROPAGATE;
// GdH 提醒,才发现最小化对话栏导致父窗口失联,必须针对父窗口操作。
w = w.is_attached_dialog() ? w.get_transient_for() : w;
//~ let w = Meta.Display.get_focus_window(); //not function
let act;
switch (event.get_button()) {
case 1:
act = altkey ? 'key-a-1' : 'key-1';
break;
case 2:
act = altkey ? 'key-a-2' : 'key-2';
break;
case 3:
act = altkey ? 'key-a-3' : 'key-3';
break;
default:
return Clutter.EVENT_PROPAGATE;
}
// 实时查看动作的设置。
this.action(w, this.settings.get_string(act), event);
return Clutter.EVENT_STOP;
}
action(w, act, event) {
switch (act) {
case 'none': break;
case 'above':
if (w.is_above())
w.unmake_above();
else
w.make_above();
break;
case 'move':
if (w.allows_move()) w.begin_grab_op(Meta.GrabOp.MOVING, true, event.get_time());
break;
case 'resize':
if (w.allows_resize()) w.begin_grab_op(Meta.GrabOp.KEYBOARD_RESIZING_UNKNOWN, true, event.get_time());
break;
case 'max':
const maxMode = Meta.MaximizeFlags.BOTH;
if (w.get_maximized() != maxMode)
w.maximize(maxMode);
else
w.unmaximize(maxMode);
break;
case 'max-h':
const maxModeH = Meta.MaximizeFlags.VERTICAL;
if (w.get_maximized() != maxModeH)
w.maximize(maxModeH);
else
w.unmaximize(maxModeH);
break;
case 'min':
w.minimize();
break;
case 'close':
if (w.can_close()) w.kill();
break;
case 'full':
w.make_fullscreen(); // Meta.Display
//~ w.unmake_fullscreen(); //Meta.Display
//~ w.fullscreen(); //~ global.display.fullscreen is not a function
break;
case 'lower':
w.lower();
//~ this.switchWindows(false);
break;
case 'shade':
//~ if (!w.can_shade()) break;
if (w.is_shaded()) w.unshade(event.get_time());
else w.shade(event.get_time());
break;
case 'stick':
//~ w.stick();
//~ w.unstick();
break;
}
};
scrollEvent(actor, event) {
if (this.skip_extensions()) return Clutter.EVENT_PROPAGATE;
const altkey = event.get_state() & Clutter.ModifierType.MOD1_MASK;
if (altkey) { // Just.P method
aggregateMenu._volume._handleScrollEvent(0, event);
return Clutter.EVENT_STOP;
}
// 直接使用AltTab,只是它调用的get_tab_list(), 按最后激活每次都调整次序。似乎是按照时间戳排序,导致数组前两个窗口循环。
// 之前调用的ws.list_windows(),次序固定,但切换窗口后,不反映变化,也不适合。
const ws = global.workspace_manager.get_active_workspace();
const windows = AltTab.getWindows(ws);
switch (event.get_scroll_direction()) {
case Clutter.ScrollDirection.UP:
case Clutter.ScrollDirection.LEFT:
// 循环所有窗口
windows[windows.length - 1].activate(global.get_current_time());
break;
case Clutter.ScrollDirection.DOWN:
case Clutter.ScrollDirection.RIGHT:
// 循环最后两个窗口
windows[1].activate(global.get_current_time()); // time参数可省略
break;
default:
return Clutter.EVENT_PROPAGATE;
}
return Clutter.EVENT_STOP;
}
destroy() {
if (this.scrollEventId != null) {
global.stage.disconnect(this.scrollEventId);
this.scrollEventId = null;
}
if (this.clickEventId != null) {
global.stage.disconnect(this.clickEventId);
this.clickEventId = null;
}
}
}
function _updateHotCorners() {
let corner;
layoutManager.hotCorners.forEach(corner => {
if (corner)
corner.destroy();
});
layoutManager.hotCorners = [];
corner = new HotCorner(layoutManager, monitor, monitor.width, 0); // right-up
corner.setBarrierSize(1);
layoutManager.hotCorners.push(corner);
corner = new HotCorner(layoutManager, monitor, 0, 0); // left-up
corner.setBarrierSize(1);
layoutManager.hotCorners.push(corner);
layoutManager.emit('hot-corners-changed');
}
let altmouse;
function init(metadata) {
}
function enable() {
//~ lg("start");
_backgroundMenu.BackgroundMenu.prototype.open = () => {}; // Just Perfection
_Panel.prototype._tryDragWindow = () => {};
_LayoutManager.prototype._updateHotCorners = _updateHotCorners;
_updateHotCorners();
// Edge Gap
rightGap = new St.Bin({
reactive : false,
can_focus : false,
track_hover : false,
height : monitor.height,
width : gap,
});
rightGap.set_position(monitor.width - gap, 0);
layoutManager.addChrome(rightGap, {
affectsInputRegion : true,
affectsStruts : true,
});
altmouse = new AltMouse();
}
function disable() {
//~ lg("stop");
_backgroundMenu.BackgroundMenu.prototype.open = orig_bgMenu;
_Panel.prototype._tryDragWindow = orig_tryDragWindow;
_LayoutManager.prototype._updateHotCorners = orig_updateHotCorners;
layoutManager.emit('hot-corners-changed');
layoutManager.removeChrome(rightGap);
rightGap.destroy();
rightGap = null;
altmouse.destroy();
altmouse = null;
}