Initial commit - GridSnap Cinnamon Extension
This commit is contained in:
ksmith
308
extension.js
Normal file
308
extension.js
Normal file
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const St = imports.gi.St;
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const Main = imports.ui.main;
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const Meta = imports.gi.Meta;
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const Clutter = imports.gi.Clutter;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Settings = imports.ui.settings;
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let zoneManager;
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// Default zone layouts
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const DEFAULT_LAYOUTS = {
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'grid-2x2': {
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name: '2x2 Grid',
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zones: [
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{ x: 0, y: 0, width: 0.5, height: 0.5 }, // Top-left
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{ x: 0.5, y: 0, width: 0.5, height: 0.5 }, // Top-right
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{ x: 0, y: 0.5, width: 0.5, height: 0.5 }, // Bottom-left
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{ x: 0.5, y: 0.5, width: 0.5, height: 0.5 } // Bottom-right
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]
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},
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'columns-3': {
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name: '3 Columns',
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zones: [
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{ x: 0, y: 0, width: 0.33, height: 1 },
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{ x: 0.33, y: 0, width: 0.34, height: 1 },
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{ x: 0.67, y: 0, width: 0.33, height: 1 }
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]
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},
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'focus-left': {
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name: 'Focus Left',
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zones: [
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{ x: 0, y: 0, width: 0.7, height: 1 }, // Main left
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{ x: 0.7, y: 0, width: 0.3, height: 0.5 }, // Top-right
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{ x: 0.7, y: 0.5, width: 0.3, height: 0.5 } // Bottom-right
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]
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}
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};
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function ZoneManager() {
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this._init();
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}
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ZoneManager.prototype = {
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_init: function() {
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this.overlay = null;
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this.currentLayout = 'grid-2x2';
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this.layouts = DEFAULT_LAYOUTS;
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this.isShowing = false;
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this.dragInProgress = false;
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// Connect to window grab events
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this._connectSignals();
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this._setupKeybindings();
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},
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_connectSignals: function() {
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// Monitor for window grab begin/end
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this.grabOpBeginId = global.display.connect('grab-op-begin',
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Lang.bind(this, this._onGrabBegin));
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this.grabOpEndId = global.display.connect('grab-op-end',
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Lang.bind(this, this._onGrabEnd));
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},
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_setupKeybindings: function() {
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// Add keybinding to show zones overlay (Super+Z)
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Main.keybindingManager.addHotKey(
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'show-zones',
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'<Super>z',
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Lang.bind(this, this._toggleZonesOverlay)
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);
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// Add keybindings for quick snap to zones (Super+Numpad)
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for (let i = 1; i <= 9; i++) {
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Main.keybindingManager.addHotKey(
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'snap-to-zone-' + i,
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'<Super>KP_' + i,
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Lang.bind(this, function() { this._snapToZone(i - 1); })
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);
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}
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},
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_onGrabBegin: function(display, window, op) {
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// Check if this is a window move operation
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if (op === Meta.GrabOp.MOVING) {
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this.dragInProgress = true;
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// Check if Shift is held - show overlay
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let mods = global.get_pointer()[2];
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if (mods & Clutter.ModifierType.SHIFT_MASK) {
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this._showZonesOverlay();
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}
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}
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},
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_onGrabEnd: function(display, window, op) {
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if (op === Meta.GrabOp.MOVING && this.dragInProgress) {
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this.dragInProgress = false;
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if (this.isShowing) {
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// Snap to zone if cursor is over one
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this._snapWindowToZone(window);
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this._hideZonesOverlay();
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}
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}
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},
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_toggleZonesOverlay: function() {
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if (this.isShowing) {
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this._hideZonesOverlay();
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} else {
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this._showZonesOverlay();
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}
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},
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_showZonesOverlay: function() {
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if (this.isShowing) return;
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let monitor = Main.layoutManager.primaryMonitor;
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// Create overlay container
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this.overlay = new St.Widget({
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style_class: 'gridsnap-overlay',
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reactive: false,
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x: monitor.x,
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y: monitor.y,
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width: monitor.width,
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height: monitor.height
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});
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// Add semi-transparent background
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this.overlay.set_style(
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'background-color: rgba(0, 0, 0, 0.3);'
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);
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// Draw zones
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let layout = this.layouts[this.currentLayout];
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layout.zones.forEach((zone, index) => {
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let zoneActor = this._createZoneActor(zone, monitor, index);
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this.overlay.add_child(zoneActor);
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});
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Main.layoutManager.addChrome(this.overlay);
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this.isShowing = true;
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},
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_createZoneActor: function(zone, monitor, index) {
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let x = monitor.width * zone.x;
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let y = monitor.height * zone.y;
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let width = monitor.width * zone.width;
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let height = monitor.height * zone.height;
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let actor = new St.Widget({
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style_class: 'gridsnap-zone',
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x: x,
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y: y,
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width: width,
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height: height
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});
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actor.set_style(
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'border: 2px solid rgba(100, 149, 237, 0.8);' +
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'background-color: rgba(100, 149, 237, 0.2);' +
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'border-radius: 4px;'
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);
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// Add zone number label
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let label = new St.Label({
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text: String(index + 1),
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style_class: 'gridsnap-zone-label',
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x: 10,
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y: 10
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});
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label.set_style(
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'color: white;' +
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'font-size: 24px;' +
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'font-weight: bold;' +
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'text-shadow: 2px 2px 4px rgba(0,0,0,0.8);'
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);
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actor.add_child(label);
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return actor;
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},
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_hideZonesOverlay: function() {
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if (!this.isShowing) return;
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if (this.overlay) {
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Main.layoutManager.removeChrome(this.overlay);
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this.overlay.destroy();
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this.overlay = null;
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}
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this.isShowing = false;
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},
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_snapWindowToZone: function(window) {
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if (!window) return;
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let [x, y] = global.get_pointer();
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let monitor = Main.layoutManager.primaryMonitor;
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// Convert to relative coordinates
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let relX = (x - monitor.x) / monitor.width;
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let relY = (y - monitor.y) / monitor.height;
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// Find which zone the cursor is in
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let layout = this.layouts[this.currentLayout];
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let targetZone = null;
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for (let zone of layout.zones) {
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if (relX >= zone.x && relX < zone.x + zone.width &&
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relY >= zone.y && relY < zone.y + zone.height) {
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targetZone = zone;
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break;
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}
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}
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if (targetZone) {
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this._moveWindowToZone(window, targetZone, monitor);
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}
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},
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_snapToZone: function(zoneIndex) {
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// Snap the focused window to a specific zone
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let window = global.display.focus_window;
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if (!window) return;
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let layout = this.layouts[this.currentLayout];
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if (zoneIndex >= layout.zones.length) return;
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let monitor = Main.layoutManager.primaryMonitor;
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this._moveWindowToZone(window, layout.zones[zoneIndex], monitor);
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},
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_moveWindowToZone: function(window, zone, monitor) {
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// Unmaximize if maximized
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if (window.get_maximized()) {
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window.unmaximize(Meta.MaximizeFlags.BOTH);
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}
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// Calculate absolute coordinates
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let x = monitor.x + Math.round(monitor.width * zone.x);
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let y = monitor.y + Math.round(monitor.height * zone.y);
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let width = Math.round(monitor.width * zone.width);
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let height = Math.round(monitor.height * zone.height);
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// Move and resize window
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window.move_resize_frame(true, x, y, width, height);
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},
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cycleLayout: function() {
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let layouts = Object.keys(this.layouts);
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let currentIndex = layouts.indexOf(this.currentLayout);
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let nextIndex = (currentIndex + 1) % layouts.length;
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this.currentLayout = layouts[nextIndex];
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Main.notify('GridSnap', 'Layout: ' + this.layouts[this.currentLayout].name);
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// Refresh overlay if showing
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if (this.isShowing) {
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this._hideZonesOverlay();
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this._showZonesOverlay();
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}
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},
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destroy: function() {
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// Disconnect signals
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if (this.grabOpBeginId) {
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global.display.disconnect(this.grabOpBeginId);
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}
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if (this.grabOpEndId) {
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global.display.disconnect(this.grabOpEndId);
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}
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// Remove keybindings
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Main.keybindingManager.removeHotKey('show-zones');
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for (let i = 1; i <= 9; i++) {
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Main.keybindingManager.removeHotKey('snap-to-zone-' + i);
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}
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// Clean up overlay
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this._hideZonesOverlay();
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}
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};
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function init(metadata) {
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// Extension initialization
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}
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function enable() {
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zoneManager = new ZoneManager();
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// Add keybinding to cycle layouts
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Main.keybindingManager.addHotKey(
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'cycle-layout',
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'<Super><Shift>z',
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Lang.bind(zoneManager, zoneManager.cycleLayout)
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);
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}
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function disable() {
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if (zoneManager) {
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Main.keybindingManager.removeHotKey('cycle-layout');
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zoneManager.destroy();
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zoneManager = null;
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}
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}
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