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window manager

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This commit is contained in:
Andrey Sidorov 2012-02-28 17:18:12 +11:00
parent 3f8a43ab9c
commit e6c683d631
1 changed files with 87 additions and 0 deletions
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examples/wm/wm.js Normal file
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var x11 = require('../../lib/x11');
var EventEmitter = require('events').EventEmitter;
var X, root;
var events = x11.eventMask.Button1Motion|x11.eventMask.ButtonPress|x11.eventMask.ButtonRelease|x11.eventMask.SubstructureNotify|x11.eventMask.SubstructureRedirect
var frames = {};
var dragStart = null;
function ManageWindow(wid)
{
X.GetWindowAttributes(wid, function(attrs) {
if (attrs[8])
{
X.MapWindow(wid);
return;
}
var fid = X.AllocID();
frames[fid] = 1;
var winX, winY;
winX = parseInt(Math.random()*300);
winY = parseInt(Math.random()*300);
X.GetGeometry(wid, function(clientGeom) {
var width = clientGeom.width + 4;
var height = clientGeom.height + 24;
X.CreateWindow(fid, root, winX, winY, width, height, 1, 1, 0,
{
backgroundPixel: 0xffffe0,
eventMask: events
});
var ee = new EventEmitter();
X.event_consumers[fid] = ee;
ee.on('event', function(ev)
{
if (ev.type === 17) // DestroyNotify
{
X.DestroyWindow(fid);
} else if (ev.type == 4) {
dragStart = { rootx: ev.rootx, rooty: ev.rooty, x: ev.x, y: ev.y, winX: winX, winY: winY };
} else if (ev.type == 5) {
dragStart = null;
} else if (ev.type == 6) {
winX = dragStart.winX + ev.rootx - dragStart.rootx;
winY = dragStart.winY + ev.rooty - dragStart.rooty;
X.MoveWindow(fid, winX, winY);
}
});
X.ChangeSaveSet(1, wid);
X.ReparentWindow(wid, fid, 1, 21);
X.MapWindow(fid);
X.MapWindow(wid);
});
});
}
x11.createClient(function(display) {
X = display.client;
root = display.screen[0].root;
console.log('root = ' + root);
X.ChangeWindowAttributes(root, { eventMask: x11.eventMask.SubstructureRedirect }, function(err) {
if (err.error == 10)
{
console.error('Error: another window manager already running.');
process.exit(1);
}
});
X.QueryTree(root, function(tree) {
tree.children.forEach(ManageWindow);
});
}).on('error', function(err) {
console.error(err);
}).on('event', function(ev) {
console.log(ev);
if (ev.type === 20) // MapRequest
{
if (!frames[ev.wid])
ManageWindow(ev.wid);
return;
} else if (ev.type === 23) // ConfigureRequest
{
X.ResizeWindow(ev.wid, ev.width, ev.height);
}
console.log(ev);
});