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// SummonModeRenderer.cs
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// Copyright (C) 2008 GNOME Do
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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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// 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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// 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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using System.Collections.Generic;
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using System.Diagnostics;
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using Do.Interface.AnimationBase;
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using Do.Interface.CairoUtils;
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using Docky.Interface;
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using Docky.Utilities;
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namespace Docky.Interface.Painters
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public class SummonModeRenderer : IDockPainter
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const int IconSize = 16;
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Gdk.Rectangle previous_area;
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public event EventHandler<PaintNeededArgs> PaintNeeded;
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public event EventHandler ShowRequested;
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public event EventHandler HideRequested;
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PixbufSurfaceCache LargeIconCache { get; set; }
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TextRenderer TextUtility { get; set; }
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get { return DockState.Instance; }
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bool ShouldRenderButton {
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return State.CurrentPane != Pane.Third && State [State.CurrentPane] != null && State [State.CurrentPane] is Item;
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return (int) (DockPreferences.IconSize * 3.5);
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public bool DoubleBuffer {
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public bool Interruptable {
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public int MinimumWidth {
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public SummonModeRenderer ()
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TextUtility = new TextRenderer (DockWindow.Window);
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void RegisterEvents ()
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DockPreferences.IconSizeChanged += HandleIconSizeChanged;
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DockServices.DoInteropService.Summoned += HandleSummoned;
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DockServices.DoInteropService.Vanished += HandleVanished;
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DockState.Instance.StateChanged += HandleStateChanged;
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void UnregisterEvents ()
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DockPreferences.IconSizeChanged -= HandleIconSizeChanged;
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DockServices.DoInteropService.Summoned -= HandleSummoned;
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DockServices.DoInteropService.Vanished -= HandleVanished;
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DockState.Instance.StateChanged -= HandleStateChanged;
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void HandleStateChanged (object sender, EventArgs e)
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if (PaintNeeded != null) {
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PaintNeededArgs args;
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if (DateTime.UtcNow - DockState.Instance.CurrentPaneTime < DockArea.BaseAnimationTime)
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args = new PaintNeededArgs (DockArea.BaseAnimationTime);
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args = new PaintNeededArgs ();
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PaintNeeded (this, args);
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void HandleVanished(object sender, EventArgs e)
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if (HideRequested != null)
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HideRequested (this, new EventArgs ());
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void HandleSummoned(object sender, EventArgs e)
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if (ShowRequested != null)
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ShowRequested (this, new EventArgs ());
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void HandleIconSizeChanged ()
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if (LargeIconCache != null)
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LargeIconCache.Dispose ();
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LargeIconCache = null;
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public void Clicked (Gdk.Rectangle dockArea, Gdk.Point cursor)
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Gdk.Point center = GetButtonCenter (ref dockArea);
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Gdk.Rectangle rect = new Gdk.Rectangle (center.X - IconSize / 2, center.Y - IconSize / 2, IconSize, IconSize);
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if (rect.Contains (cursor) && State [State.CurrentPane] is Item) {
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DockServices.ItemsService.AddItemToDock (State [State.CurrentPane]);
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DockServices.DoInteropService.RequestClickOff ();
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} else if (!dockArea.Contains (cursor)) {
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DockServices.DoInteropService.RequestClickOff ();
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public void Interrupt ()
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Log.Error ("Docky has been interupted innapropriately. Please report this bug.");
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Gdk.Point GetButtonCenter (ref Gdk.Rectangle dockArea)
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return new Gdk.Point (dockArea.X + IconSize / 2 + 5, dockArea.Y + dockArea.Height - (IconSize / 2 + 5));
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public void Paint (Context cr, Gdk.Rectangle dockArea, Gdk.Point cursor)
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if (previous_area == dockArea &&
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DateTime.UtcNow - DockState.Instance.CurrentPaneTime > DockArea.BaseAnimationTime) {
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previous_area = dockArea;
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previous_area = dockArea;
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if (LargeIconCache == null)
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LargeIconCache = new PixbufSurfaceCache (10, 2 * DockPreferences.IconSize, 2 * DockPreferences.IconSize, cr.Target);
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for (int i=0; i<3; i++) {
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GetXForPane (ref dockArea, pane, out left_x, out zoom);
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if (pane == Pane.Third && !State.ThirdPaneVisible)
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double opacity = .6 + zoom * .4;
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switch (PaneDrawState (pane)) {
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case DrawState.NoResult:
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case DrawState.Normal:
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icon = State[pane].Icon;
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icon = "gnome-mime-text";
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case DrawState.ExplicitText:
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icon = "gnome-mime-text";
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opacity = .2 * opacity;
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if (!LargeIconCache.ContainsKey (icon))
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LargeIconCache.AddPixbufSurface (icon, icon);
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cr.Scale (zoom, zoom);
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if (DockPreferences.Orientation == DockOrientation.Top) {
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cr.SetSource (LargeIconCache.GetSurface (icon),
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(dockArea.Y * (1 / zoom)));
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cr.SetSource (LargeIconCache.GetSurface (icon),
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((dockArea.Y + dockArea.Height) - (DockPreferences.IconSize * 2 * zoom) - 5) * (1 / zoom));
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cr.PaintWithAlpha (opacity);
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cr.Scale (1 / zoom, 1 / zoom);
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switch (PaneDrawState (State.CurrentPane))
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case DrawState.NoResult:
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RenderText (cr, Catalog.GetString ("No result found for") + ": " + State.GetPaneQuery (State.CurrentPane), ref dockArea);
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case DrawState.Normal:
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RenderNormalText (cr, ref dockArea);
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if (ShouldRenderButton)
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RenderAddButton (cr, ref dockArea, ref cursor);
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RenderTextModeText (cr, ref dockArea);
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case DrawState.ExplicitText:
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RenderExplicitText (cr, ref dockArea);
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void RenderNormalText (Context cr, ref Gdk.Rectangle dockArea)
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int base_x = dockArea.X + 30;
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string text = GLib.Markup.EscapeText (State[State.CurrentPane].Name);
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text = Do.Interface.Util.FormatCommonSubstrings (text, State.GetPaneQuery (State.CurrentPane), DockPreferences.HighlightFormat);
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Pango.Color color = new Pango.Color ();
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color.Blue = color.Red = color.Green = ushort.MaxValue;
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double text_scale = (DockPreferences.IconSize / 64.0);
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int small_text_height = (int) (12 * text_scale);
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if (8 < small_text_height) {
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big_text_height = (int) (20 * text_scale);
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TextUtility.RenderLayoutText (cr, text, base_x + TextOffset,
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dockArea.Y + (int) (15 * text_scale), dockArea.Width - TextOffset - 50,
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big_text_height, color, Pango.Alignment.Left, Pango.EllipsizeMode.End);
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TextUtility.RenderLayoutText (cr, GLib.Markup.EscapeText (State[State.CurrentPane].Description),
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base_x + TextOffset, dockArea.Y + (int) (42 * text_scale),
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dockArea.Width - TextOffset - 50, small_text_height, color,
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Pango.Alignment.Left, Pango.EllipsizeMode.End);
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big_text_height = (int) (35 * text_scale);
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TextUtility.RenderLayoutText (cr, text, base_x + TextOffset,
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dockArea.Y + dockArea.Height / 2 - 3 * big_text_height / 5, dockArea.Width - TextOffset - 50,
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big_text_height, color, Pango.Alignment.Left, Pango.EllipsizeMode.End);
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void RenderExplicitText (Context cr, ref Gdk.Rectangle dockArea)
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int base_x = dockArea.X + 15;
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Element current = State [State.CurrentPane];
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text = State.GetPaneQuery (State.CurrentPane);
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else if (current is ITextItem)
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text = (current as ITextItem).Text;
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if (string.IsNullOrEmpty (text))
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text = GLib.Markup.EscapeText (text);
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double text_scale = (DockPreferences.IconSize / 64.0);
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int text_height = Math.Max (11, (int) (15 * text_scale));
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Pango.Color color = new Pango.Color ();
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color.Blue = color.Red = color.Green = ushort.MaxValue;
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Gdk.Rectangle rect = TextUtility.RenderLayoutText (cr, text, base_x,
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dockArea.Y + (int) (15 * text_scale),
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(dockArea.X + dockArea.Width) - (base_x + 15), text_height,
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color, Pango.Alignment.Left, Pango.EllipsizeMode.None);
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cr.Rectangle (rect.X, rect.Y, 2, rect.Height);
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cr.Color = new Cairo.Color (1, 1, 1);
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void RenderTextModeText (Context cr, ref Gdk.Rectangle dockArea)
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int base_x = dockArea.X + 15;
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Element current = State [State.CurrentPane];
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text = State.GetPaneQuery (State.CurrentPane);
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else if (current is ITextItem)
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text = (current as ITextItem).Text;
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if (string.IsNullOrEmpty (text))
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text = GLib.Markup.EscapeText (text);
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double text_scale = (DockPreferences.IconSize / 64.0);
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int text_height = Math.Max (11, (int) (15 * text_scale));
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Pango.Color color = new Pango.Color ();
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color.Blue = color.Red = color.Green = ushort.MaxValue;
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TextUtility.RenderLayoutText (cr, text, base_x + TextOffset,
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dockArea.Y + (int) (15 * text_scale), (dockArea.X + dockArea.Width) - (base_x + TextOffset + 40),
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text_height, color, Pango.Alignment.Left, Pango.EllipsizeMode.None);
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void RenderText (Context cr, string text, ref Gdk.Rectangle dockArea)
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int base_x = dockArea.X + 15;
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double text_scale = (DockPreferences.IconSize / 64.0);
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int text_height = (int) (20 * text_scale);
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Pango.Color color = new Pango.Color ();
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color.Blue = color.Red = color.Green = ushort.MaxValue;
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TextUtility.RenderLayoutText (cr, text, base_x + TextOffset,
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dockArea.Y + (int) (15 * text_scale), (dockArea.X + dockArea.Width) - (base_x + TextOffset + 40),
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text_height, color, Pango.Alignment.Left, Pango.EllipsizeMode.End);
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void RenderAddButton (Context cr, ref Gdk.Rectangle dockArea, ref Gdk.Point cursor)
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Gdk.Point buttonCenter = GetButtonCenter (ref dockArea);
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int x = buttonCenter.X - IconSize / 2;
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int y = buttonCenter.Y - IconSize / 2;
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cr.SetRoundedRectanglePath (x, y, IconSize, IconSize, IconSize / 2);
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cr.Color = new Cairo.Color (1, 1, 1);
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cr.MoveTo (x + IconSize / 2, y + 4);
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cr.LineTo (x + IconSize / 2, y + (IconSize - 4));
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cr.MoveTo (x + 4, y + IconSize / 2);
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cr.LineTo (x + (IconSize - 4), y + IconSize / 2);
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void GetXForPane (ref Gdk.Rectangle dockArea, Pane pane, out int left_x, out double zoom)
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int base_x = dockArea.X + 15;
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double zoom_value = .3;
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double slide_state = Math.Min (1, (DateTime.UtcNow - State.CurrentPaneTime).TotalMilliseconds / DockArea.BaseAnimationTime.TotalMilliseconds);
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double growing_zoom = zoom_value + slide_state * (1 - zoom_value);
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double shrinking_zoom = zoom_value + (1 - slide_state) * (1 - zoom_value);
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if (State.CurrentPane == Pane.First && (State.PreviousPane == Pane.Second || State.PreviousPane == Pane.Third)) {
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} else if (State.PreviousPane == Pane.First && (State.CurrentPane == Pane.Second || State.CurrentPane == Pane.Third)) {
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zoom = shrinking_zoom;
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if (State.PreviousPane == Pane.Second && State.CurrentPane == Pane.First) {
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zoom = shrinking_zoom;
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left_x = base_x + (int) ((DockPreferences.IconSize * 2) * (growing_zoom));
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} else if (State.PreviousPane == Pane.Second && State.CurrentPane == Pane.Third) {
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zoom = shrinking_zoom;
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left_x = base_x + (int) (DockPreferences.IconSize * 2 * zoom_value);
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} else if (State.PreviousPane == Pane.First && State.CurrentPane == Pane.Second) {
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left_x = base_x + (int) ((DockPreferences.IconSize * 2) * (shrinking_zoom));
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} else if (State.PreviousPane == Pane.First && State.CurrentPane == Pane.Third) {
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left_x = base_x + (int) ((DockPreferences.IconSize * 2) * (shrinking_zoom));
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} else if (State.PreviousPane == Pane.Third && State.CurrentPane == Pane.First) {
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left_x = base_x + (int) ((DockPreferences.IconSize * 2) * (growing_zoom));
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} else {// (State.PreviousPane == Pane.Third && State.CurrentPane == Pane.Second) {
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left_x = base_x + (int) (DockPreferences.IconSize * 2 * zoom_value);
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if (State.PreviousPane == Pane.Second && State.CurrentPane == Pane.First) {
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left_x = base_x + (int) (DockPreferences.IconSize * 2 * (1 + zoom_value));
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} else if (State.PreviousPane == Pane.Second && State.CurrentPane == Pane.Third) {
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left_x = base_x + (int) (DockPreferences.IconSize * 2 * zoom_value) + (int) ((DockPreferences.IconSize * 2) * (shrinking_zoom));
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} else if (State.PreviousPane == Pane.First && State.CurrentPane == Pane.Second) {
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left_x = base_x + (int) (DockPreferences.IconSize * 2 * (1 + zoom_value));
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} else if (State.PreviousPane == Pane.First && State.CurrentPane == Pane.Third) {
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left_x = base_x + (int) (DockPreferences.IconSize * 2 * zoom_value) + (int) ((DockPreferences.IconSize * 2) * (shrinking_zoom));
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} else if (State.PreviousPane == Pane.Third && State.CurrentPane == Pane.First) {
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zoom = shrinking_zoom;
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left_x = base_x + (int) (DockPreferences.IconSize * 2 * zoom_value) + (int) ((DockPreferences.IconSize * 2) * (growing_zoom));
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} else {// (State.PreviousPane == Pane.Third && State.CurrentPane == Pane.Second) {
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zoom = shrinking_zoom;
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left_x = base_x + (int) (DockPreferences.IconSize * 2 * zoom_value) + (int) ((DockPreferences.IconSize * 2) * (growing_zoom));
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double offset_scale = 1;
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left_x = (int) (left_x * offset_scale + base_x * (1 - offset_scale));
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DrawState PaneDrawState (Pane pane)
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if (pane != State.CurrentPane && (State.GetTextModeType (State.CurrentPane) == TextModeType.Explicit))
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return DrawState.None;
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if (pane == Pane.Third && !State.ThirdPaneVisible)
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return DrawState.None;
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if (State.GetTextModeType (pane) == TextModeType.Explicit)
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return DrawState.ExplicitText;
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if (State.GetTextMode (pane))
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return DrawState.Text;
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if (State.GetPaneItem (pane) != null)
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return DrawState.Normal;
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if (!string.IsNullOrEmpty (State.GetPaneQuery (pane))) {
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return DrawState.NoResult;
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return DrawState.None;
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public void Dispose ()
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TextUtility.Dispose ();
added
removed
Do.Interface.Linux.Docky/src/Docky.Interface/Docky.Interface.Painters/SummonModeRenderer.cs
