307 lines
7.2 KiB
C#
307 lines
7.2 KiB
C#
// SparkleShare, an instant update workflow to Git.
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// Copyright (C) 2010 Hylke Bons <hylkebons@gmail.com>
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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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using Gtk;
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using Mono.Unix;
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using System;
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namespace SparkleShare {
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// A custom widget containing an image view,
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// previous/next buttons and a combobox
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public class RevisionView : VBox
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{
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// Short alias for the translations
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public static string _ (string s)
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{
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return Catalog.GetString (s);
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}
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public ScrolledWindow ScrolledWindow;
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public IconView IconView;
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public int Selected;
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public ToggleButton ToggleButton;
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private Viewport Viewport;
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private ListStore Store;
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private Image Image;
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private int Count;
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private string SecondaryTextColor;
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private string SelectedTextColor;
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public RevisionView () : base (false, 0)
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{
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Count = 0;
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Selected = 0;
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TreeView treeview = new TreeView ();
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SelectedTextColor = GdkColorToHex (treeview.Style.Foreground (StateType.Selected));
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Window window = new Window ("");
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SecondaryTextColor = GdkColorToHex (window.Style.Foreground (StateType.Insensitive));
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ToggleButton = new ToggleButton ();
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ToggleButton.Clicked += ToggleView;
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ToggleButton.Relief = ReliefStyle.None;
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ScrolledWindow = new ScrolledWindow ();
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Viewport = new Viewport ();
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Viewport.Add (new Label (""));
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Store = new ListStore (typeof (Gdk.Pixbuf),
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typeof (string),
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typeof (int));
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IconView = new IconView (Store);
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IconView.SelectionChanged += ChangeSelection;
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IconView.MarkupColumn = 1;
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IconView.Margin = 12;
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IconView.Orientation = Orientation.Horizontal;
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IconView.PixbufColumn = 0;
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IconView.Spacing = 12;
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Image = new Image ();
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ScrolledWindow.Add (Viewport);
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PackStart (ScrolledWindow, true, true, 0);
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}
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// Changes the selection and enforces a policy of always having something selected
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public void ChangeSelection (object o, EventArgs args)
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{
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TreeIter iter;
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Store.GetIter (out iter, new TreePath (GetSelected ().ToString ()));
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string text = (string) Store.GetValue (iter, 1);
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Store.SetValue (iter, 1, text.Replace (SelectedTextColor, SecondaryTextColor));
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if (IconView.SelectedItems.Length > 0) {
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Store.GetIter (out iter, IconView.SelectedItems [0]);
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SetSelected ((int) Store.GetValue (iter, 2));
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text = (string) Store.GetValue (iter, 1);
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text = text.Replace (SecondaryTextColor, SelectedTextColor);
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Store.SetValue (iter, 1, text);
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} else {
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IconView.SelectPath (new TreePath (GetSelected ().ToString()));
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}
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}
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// Converts a Gdk RGB color to a hex value.
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// Example: from "rgb:0,0,0" to "#000000"
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public string GdkColorToHex (Gdk.Color color)
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{
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return String.Format("#{0:X2}{1:X2}{2:X2}",
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(int) Math.Truncate(color.Red / 256.00),
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(int) Math.Truncate(color.Green / 256.00),
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(int) Math.Truncate(color.Blue / 256.00));
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}
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// Makes sure everything is in place before showing the widget
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new public void ShowAll ()
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{
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if (Children.Length == 2) {
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ToggleButton = (ToggleButton) Children [0];
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ToggleButton.Remove (ToggleButton.Child);
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} else {
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ToggleButton = new ToggleButton ();
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ToggleButton.Relief = ReliefStyle.None;
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ToggleButton.Clicked += ToggleView;
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PackStart (ToggleButton, false, false, 6);
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}
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HBox layout_horizontal = new HBox (false, 12);
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layout_horizontal.BorderWidth = 6;
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TreeIter iter;
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Store.GetIter (out iter, new TreePath (GetSelected ().ToString()));
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string text = (string) Store.GetValue (iter, 1);
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Gdk.Pixbuf pixbuf = (Gdk.Pixbuf) Store.GetValue (iter, 0);
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Label label = new Label (text.Replace (SelectedTextColor, SecondaryTextColor));
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label.UseMarkup = true;
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Arrow arrow_down = new Arrow (ArrowType.Down, ShadowType.None);
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layout_horizontal.PackStart (new Image (pixbuf), false, false, 0);
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layout_horizontal.PackStart (label, false, false, 0);
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layout_horizontal.PackStart (new Label (""), true, true, 0);
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layout_horizontal.PackStart (arrow_down, false, false, 0);
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ToggleButton.Add (layout_horizontal);
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ReorderChild (ToggleButton, 0);
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TreePath path = new TreePath (Selected.ToString());
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IconView.SelectPath (path);
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base.ShowAll ();
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}
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// Adds a revision to the combobox
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public void AddRow (Gdk.Pixbuf pixbuf, string header, string subtext)
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{
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Store.AppendValues (pixbuf, "<b>" + header + "</b>\n" +
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"<span fgcolor='" + SecondaryTextColor + "'>" + subtext + "</span>",
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Count);
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IconView.Model = Store;
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Count++;
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}
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// Toggles between a displayed image and a list of revisions
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public void ToggleView (object o, EventArgs args)
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{
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Viewport.Remove (Viewport.Child);
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if (ToggleButton.Active) {
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Viewport.Add (IconView);
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TreePath path = new TreePath (GetSelected ().ToString());
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IconView.ScrollToPath (path, (float) 0.5, (float) 0.5);
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IconView.GrabFocus ();
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} else {
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Viewport.Add (Image);
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}
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ShowAll ();
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}
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// Changes the image that is viewed
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public void SetImage (Image image)
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{
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Image = image;
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Viewport.Remove (Viewport.Child);
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Viewport.Add (Image);
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ToggleButton.Active = false;
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ShowAll ();
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}
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// Returns the image that is currently viewed
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public Image GetImage ()
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{
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return Image;
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}
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// Selects an item by number
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public bool SetSelected (int i)
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{
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if (i > -1 && i <= Count) {
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Selected = i;
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return true;
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}
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return false;
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}
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// Returns the number of the currently selected item
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public int GetSelected ()
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{
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return Selected;
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}
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// Looks up an icon from the system's theme
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public Gdk.Pixbuf GetIcon (string name, int size)
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{
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IconTheme icon_theme = new IconTheme ();
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icon_theme.AppendSearchPath (System.IO.Path.Combine ("/usr/share/sparkleshare", "icons"));
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return icon_theme.LoadIcon (name, size, IconLookupFlags.GenericFallback);
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}
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}
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// Derived class for the image view on the left
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public class LeftRevisionView : RevisionView
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{
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public LeftRevisionView () : base ()
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{
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// Select the second revision
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Selected = 1;
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// Take reading direction for time into account
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if (Direction == Gtk.TextDirection.Ltr)
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ScrolledWindow.Placement = CornerType.TopRight;
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else
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ScrolledWindow.Placement = CornerType.TopLeft;
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}
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}
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// Derived class for the image view on the right
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public class RightRevisionView : RevisionView
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{
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public RightRevisionView () : base ()
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{
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// Take reading direction for time into account
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if (Direction == Gtk.TextDirection.Ltr)
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ScrolledWindow.Placement = CornerType.TopLeft;
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else
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ScrolledWindow.Placement = CornerType.TopRight;
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}
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}
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}
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