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Viewing changes to Do.Interface.Linux.Docky/src/Docky.Interface/CursorTracker.cs

  • Committer: Bazaar Package Importer
  • Author(s): Christopher James Halse Rogers
  • Date: 2009-06-27 10:40:45 UTC
  • mfrom: (1.1.8 upstream) (0.1.5 squeeze)
  • Revision ID: james.westby@ubuntu.com-20090627104045-7st10y1cqr6dpz37
Tags: 0.8.2+dfsg-1
https://launchpad.net/bugs/343096
https://launchpad.net/bugs/330025
https://launchpad.net/bugs/361679
https://launchpad.net/bugs/346347
https://launchpad.net/bugs/390150
https://launchpad.net/bugs/354729
https://launchpad.net/bugs/347052
https://launchpad.net/bugs/382843
http://bugs.debian.org/526023
https://launchpad.net/bugs/369988
http://bugs.debian.org/531779
https://launchpad.net/bugs/393729
* New upstream release
  + No longer uses a plugin repository.  Fixes many plugin-
    related issues. (LP: #343096, LP: #330025, LP #345001)
  + No longer blocks on "About Do" (LP: #361679)
  + Reacts correctly when a Composite manager is enabled/
    disabled at runtime. (LP: #346347, LP: #390150)
  + Fixes for space reserved by Docky blocking drag and 
    drop operations. (LP: #354729, LP: #347052, LP: #382843)
  + Properly sets "Hidden" key on autostart files in response to 
    "Start on login" option.  (Closes: #526023) (LP: #369988)
* debian/patches/10_application_search_path:
  + Drop; included upstream
* debian/patches/10_sk_translation_update:
  + Import sk translation update from Debian BTS.
    (Closes: #531779)
* debian/patches/11_fix_autostart_when_directory_does_not_exist:
  + Patch from upstream.  Fixes the "Start on login" option when the 
    ~/.config/autostart directory does not exist. (LP: #393729)
* debian/control:
  + Update standards version to 3.8.2; no changes required.
  + Add libtool to Build-Depends; required for autoreconf.
  + Add Recommends: on new gnome-do-docklets package.
* debian/gnome-do.1
  + Fix spelling: GNOME-Do => GNOME Do.
  + Miscelaneous lintian fixes; NAME section, escaping minus signs with \-
* debian/copyright:
  + Update for new copyright holders.
  + Minor update to DEP-5 format

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Do.Interface.Linux.Docky/src/Docky.Interface/CursorTracker.cs
 
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// CursorTracker.cs
 
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// 
 
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// Copyright (C) 2009 GNOME Do
 
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//
 
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// This program is free software: you can redistribute it and/or modify
 
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// it under the terms of the GNU General Public License as published by
 
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// the Free Software Foundation, either version 3 of the License, or
 
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// (at your option) any later version.
 
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//
 
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// This program is distributed in the hope that it will be useful,
 
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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// GNU General Public License for more details.
 
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//
 
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// You should have received a copy of the GNU General Public License
 
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// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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//
 
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using System;
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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using Gdk;
 
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using Gtk;
 
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namespace Docky.Interface
 
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{
 
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        public class CursorUpdatedArgs : EventArgs
 
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        {
 
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                public readonly Point OldCursor;
 
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                public readonly Point NewCursor;
 
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                public CursorUpdatedArgs (Point newCursor, Point oldCursor)
 
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                {
 
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                        NewCursor = newCursor;
 
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                        OldCursor = oldCursor;
 
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                }
 
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        }
 
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        public class CursorTracker : IDisposable
 
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        {
 
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                uint timer;
 
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                uint timer_length;
 
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                DateTime last_gtk_update;
 
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                Gtk.Window parent;
 
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                public event EventHandler<CursorUpdatedArgs> CursorUpdated;
 
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                public bool Enabled { get; set; }
 
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                public Gdk.Point Cursor { get; private set; }
 
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                public Gdk.Point RootCursor { get; private set; }
 
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                public ModifierType ModifierType { get; private set; }
 
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                public Cairo.PointD CursorD { 
 
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                        get { return new Cairo.PointD (Cursor.X, Cursor.Y); }
 
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                }
 
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                public Cairo.PointD RootCursorD {
 
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                        get { return new Cairo.PointD (RootCursor.X, RootCursor.Y); }
 
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                }
 
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                public uint TimerLength {
 
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                        get { return timer_length; }
 
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                        set {
 
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                                if (timer_length == value)
 
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                                        return;
 
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                                timer_length = value;
 
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                                ResetTimer ();
 
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                        }
 
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                }
 
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                public CursorTracker (Gtk.Window parent, uint timerLength)
 
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                {
 
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                        Enabled = true;
 
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                        this.parent = parent;
 
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                        parent.MotionNotifyEvent += HandleMotionNotifyEvent; 
 
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                        parent.AddEvents ((int) EventMask.PointerMotionMask);
 
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                        timer_length = timerLength;
 
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                        timer = GLib.Timeout.Add (timer_length, HandleCursorTimeoutElapsed);
 
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                }
 
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                bool HandleCursorTimeoutElapsed ()
 
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                {
 
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                        if (!Enabled || (DateTime.UtcNow - last_gtk_update).TotalMilliseconds < timer_length >> 1) {
 
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                                return true;
 
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                        }
 
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                        int x, y, xroot, yroot;
 
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                        ModifierType mod;
 
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                        Gdk.Screen screen;
 
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                        parent.Display.GetPointer (out screen, out xroot, out yroot, out mod);
 
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                        if (screen == parent.Screen) {
 
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                                Gdk.Rectangle geo;
 
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                                if (parent is DockWindow)
 
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                                        (parent as DockWindow).GetBufferedPosition (out geo.X, out geo.Y);
 
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                                else
 
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                                        parent.GetPosition (out geo.X, out geo.Y);
 
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                                x = xroot - geo.X;
 
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                                y = yroot - geo.Y;
 
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                        } else {
 
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                                xroot = -4000;
 
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                                yroot = -4000;
 
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                                x = -4000;
 
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                                y = -4000;
 
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                        }
 
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                        if (Cursor.X != x || Cursor.Y != y || ModifierType != mod) {
 
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                                Point last = Cursor;
 
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                                Cursor = new Point (x, y);
 
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                                RootCursor = new Point (xroot, yroot);
 
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                                ModifierType = mod;
 
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                                OnCursorUpdated (last);
 
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                        }
 
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                        return true;
 
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                }
 
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                void HandleMotionNotifyEvent (object o, MotionNotifyEventArgs args)
 
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                {
 
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                        if (!Enabled)
 
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                                return;
 
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                        Point last = Cursor;
 
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                        last_gtk_update = DateTime.UtcNow;
 
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                        Cursor = new Point ((int) args.Event.X, (int) args.Event.Y);
 
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                        RootCursor = new Point ((int) args.Event.XRoot, (int) args.Event.YRoot);
 
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                        ModifierType = args.Event.State;
 
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                        OnCursorUpdated (last);
 
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                }
 
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                void OnCursorUpdated (Point lastCursor)
 
143
                {
 
144
                        if (CursorUpdated != null)
 
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                                CursorUpdated (this, new CursorUpdatedArgs (Cursor, lastCursor));
 
146
                }
 
147
                
 
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                void ResetTimer ()
 
149
                {
 
150
                        GLib.Source.Remove (timer);
 
151
                        timer = GLib.Timeout.Add (timer_length, HandleCursorTimeoutElapsed);
 
152
                }
 
153
                
 
154
                public void Dispose ()
 
155
                {
 
156
                        GLib.Source.Remove (timer);
 
157
                        parent.MotionNotifyEvent -= HandleMotionNotifyEvent;
 
158
                }
 
159
        }
 
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}