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Viewing changes to Do.Interface.Linux.Docky/src/Docky.Interface/Docky.Interface.Painters/AbstractIntegratedPainter.cs

  • Committer: Bazaar Package Importer
  • Author(s): Christopher James Halse Rogers
  • Date: 2011-02-15 21:50:02 UTC
  • mfrom: (1.1.10 upstream)
  • Revision ID: james.westby@ubuntu.com-20110215215002-1j8ylb69o15asb06
Tags: 0.8.4-0ubuntu1
http://bugs.debian.org/565591
https://launchpad.net/bugs/450852
http://bugs.debian.org/603876
https://launchpad.net/bugs/553643
* The Race Against FF upload.  Merge from unreleased Debian git.
  Remaining Ubuntu changes:
  + debian/patches/05_disable_resize_grips.patch.diff:
    Disable resize handles for the Do windows.
  + debian/control:
    Bump gtk# build dep for HasResizeGrip API.
* New Debian changes:
* The long fortold release
  + Fixes a threadsafety issue resulting in 100% CPU usage (Closes: 565591,
    LP: #450852).
  + Proxies all keyring calls to the GTK main thread, as required by the new
    gnome-keyring (Closes: 603876, LP: #553643)
* debian/patches/00_bundledlibs.dpatch:
* debian/rules:
  + Upstream has dropped bundled gmcs binary; now 100% DFSG-free, so we don't
    have to repack the tarball or patch the buildsystem.
* debian/patches/03_disable_docky.dpatch:
  + Drop.  Docky is now gone in the upstream tarball.
* debian/rules:
* debian/control:
* debian/patches/*:
  + Switch to quilt to harmonise with other pkg-cli-* packages.
* debian/control:
  + Drop recommends on gnome-do-docklets.  Docky is now a separate package,
    so the docklets are useless for Do.
  + Bump Breaks on gnome-do-plugins to 0.8.3.  Do no longer provides the Wink
    library, which has been imported into the 0.8.3 do-plugins sources.
  + Bump standards-version; no changes needed.
  + Migrate to git and update VCS fields appropriately

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Do.Interface.Linux.Docky/src/Docky.Interface/Docky.Interface.Painters/AbstractIntegratedPainter.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
6
 
//  the Free Software Foundation, either version 3 of the License, or
7
 
//  (at your option) any later version.
8
 
// 
9
 
//  This program is distributed in the hope that it will be useful,
10
 
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
11
 
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
 
//  GNU General Public License for more details.
13
 
// 
14
 
//  You should have received a copy of the GNU General Public License
15
 
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
16
 
// 
17
 
 
18
 
using System;
19
 
using System.Collections.Generic;
20
 
using System.Linq;
21
 
 
22
 
using Gdk;
23
 
using Cairo;
24
 
 
25
 
using Do.Interface;
26
 
 
27
 
using Docky.Core;
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using Docky.Interface;
29
 
using Docky.Utilities;
30
 
 
31
 
namespace Docky.Interface.Painters
32
 
{
33
 
        
34
 
        
35
 
        public abstract class AbstractIntegratedPainter : IDockPainter
36
 
        {
37
 
                protected int BorderSize { get { return 10; } }
38
 
                int buffer_height = 0;
39
 
                
40
 
                Surface icon_surface, buffer;
41
 
                AbstractDockItem dock_item;
42
 
                
43
 
                protected abstract int PainterWidth { get; }
44
 
                
45
 
                protected virtual bool NeedsRepaint {
46
 
                        get { return false; }
47
 
                }
48
 
                
49
 
                protected abstract void PaintArea (Cairo.Context context, Gdk.Rectangle paintableArea);
50
 
                
51
 
                protected virtual bool ReceiveClick (Gdk.Rectangle paintArea, Gdk.Point cursor)
52
 
                {
53
 
                        return true;
54
 
                }
55
 
                
56
 
                public virtual void Scrolled (Gdk.ScrollDirection direction)
57
 
                {
58
 
                }
59
 
                
60
 
                #region IDockPainter implementation 
61
 
                
62
 
                public event EventHandler HideRequested;
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                public event EventHandler<PaintNeededArgs> PaintNeeded;
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                public event EventHandler ShowRequested;
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68
 
                public void Clicked (Gdk.Rectangle dockArea, Gdk.Point cursor)
69
 
                {
70
 
                        Gdk.Rectangle paintArea = new Gdk.Rectangle (0, 0, Width, dockArea.Height);
71
 
                        Gdk.Point paintAreaCursor = new Gdk.Point (cursor.X - dockArea.Left - DockPreferences.FullIconSize - BorderSize,
72
 
                                                                   cursor.Y - dockArea.Top);
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74
 
                        if (!paintArea.Contains (paintAreaCursor) || ReceiveClick (paintArea, paintAreaCursor))
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                                OnHideRequested ();
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                }
77
 
                
78
 
                public virtual bool DoubleBuffer {
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                        get { return false; }
80
 
                }
81
 
                
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                public virtual bool Interruptable {
83
 
                        get { return true; }
84
 
                }
85
 
                
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                public int Width {
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                        get {
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                                return PainterWidth + DockPreferences.FullIconSize + 2 * BorderSize;
89
 
                        }
90
 
                }
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                public AbstractIntegratedPainter (AbstractDockItem dockItem)
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                {
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                        dock_item = dockItem;
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                        DockPreferences.IconSizeChanged +=HandleIconSizeChanged; 
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                        dockItem.UpdateNeeded +=HandleUpdateNeeded; 
97
 
                }
98
 
 
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                void HandleUpdateNeeded(object sender, UpdateRequestArgs args)
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                {
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                        if (icon_surface != null)
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                                icon_surface.Destroy ();
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                        icon_surface = null;
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                        OnPaintNeeded (new PaintNeededArgs ());
106
 
                }
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                void HandleIconSizeChanged()
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                {
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                        if (icon_surface != null)
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                                icon_surface.Destroy ();
112
 
                        icon_surface = null;
113
 
                }
114
 
                
115
 
                public virtual void Interrupt ()
116
 
                {
117
 
                        OnHideRequested ();
118
 
                }
119
 
                
120
 
                public void Paint (Cairo.Context cr, Gdk.Rectangle dockArea, Gdk.Point cursor)
121
 
                {
122
 
                        if (buffer == null || buffer_height != dockArea.Height || NeedsRepaint) {
123
 
                                if (buffer != null)
124
 
                                        buffer.Destroy ();
125
 
                                
126
 
                                buffer = cr.Target.CreateSimilar (cr.Target.Content, PainterWidth, dockArea.Height);
127
 
                                using (Cairo.Context context = new Cairo.Context (buffer)) {
128
 
                                        PaintArea (context, new Gdk.Rectangle (0, 0, PainterWidth, dockArea.Height));
129
 
                                }
130
 
                                buffer_height = dockArea.Height;
131
 
                        }
132
 
                        
133
 
                        PaintIcon (cr, dockArea);
134
 
                        
135
 
                        cr.Rectangle (dockArea.X, dockArea.Y, dockArea.Width, dockArea.Height);
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                        cr.Clip ();
137
 
                        
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                        int x = dockArea.X + DockPreferences.FullIconSize + BorderSize;
139
 
                        buffer.Show (cr, x, dockArea.Y);
140
 
                        cr.ResetClip ();
141
 
                }
142
 
                
143
 
                #endregion 
144
 
                
145
 
                void PaintIcon (Cairo.Context cr, Gdk.Rectangle dockArea)
146
 
                {
147
 
                        if (icon_surface == null)
148
 
                                icon_surface = CreateIconSurface (cr.Target);
149
 
                        
150
 
                        switch (DockPreferences.Orientation) {
151
 
                        case DockOrientation.Top:
152
 
                                icon_surface.Show (cr, dockArea.X + BorderSize, dockArea.Y + 5);
153
 
                                break;
154
 
                        case DockOrientation.Bottom:
155
 
                                icon_surface.Show (cr, dockArea.X + BorderSize, dockArea.Y + dockArea.Height - 5 - DockPreferences.FullIconSize);
156
 
                                break;
157
 
                        }
158
 
                }
159
 
                
160
 
                protected virtual Surface CreateIconSurface (Surface similar)
161
 
                {
162
 
                        Surface surface = similar.CreateSimilar (similar.Content,
163
 
                                                                   DockPreferences.FullIconSize,
164
 
                                                                   DockPreferences.FullIconSize);
165
 
                        
166
 
                        int actual_size;
167
 
                        Surface icon_surface = dock_item.GetIconSurface (similar, DockPreferences.FullIconSize, out actual_size);
168
 
                        
169
 
                        using (Context context = new Context (surface)) {
170
 
                                int offset = (DockPreferences.FullIconSize - actual_size) / 2;
171
 
                                icon_surface.Show (context, offset, offset);
172
 
                        }
173
 
                        
174
 
                        return surface;
175
 
                }
176
 
                
177
 
                protected void OnPaintNeeded (PaintNeededArgs args)
178
 
                {
179
 
                        if (PaintNeeded != null)
180
 
                                PaintNeeded (this, args);
181
 
                }
182
 
                
183
 
                protected void OnShowRequested ()
184
 
                {
185
 
                        if (ShowRequested != null)
186
 
                                ShowRequested (this, EventArgs.Empty);
187
 
                }
188
 
                
189
 
                protected void OnHideRequested ()
190
 
                {
191
 
                        if (HideRequested != null)
192
 
                                HideRequested (this, EventArgs.Empty);
193
 
                }
194
 
                
195
 
                #region IDisposable implementation 
196
 
                
197
 
                public virtual void Dispose ()
198
 
                {
199
 
                }
200
 
                
201
 
                #endregion 
202
 
        }
203
 
}