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* sample/GtkDemo/DemoIconView.cs : use Gtk.Stock icons to avoid crashes when the previous gnome icons aren't installed. [#78212] svn path=/trunk/gtk-sharp/; revision=70737
165 lines
4.1 KiB
C#
165 lines
4.1 KiB
C#
using System;
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using System.IO;
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using Gtk;
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#if GTK_SHARP_2_6
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namespace GtkDemo
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{
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[Demo ("Icon View", "DemoIconView.cs")]
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public class DemoIconView : Window
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{
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const int COL_PATH = 0;
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const int COL_DISPLAY_NAME = 1;
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const int COL_PIXBUF = 2;
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const int COL_IS_DIRECTORY = 3;
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DirectoryInfo parent = new DirectoryInfo ("/");
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Gdk.Pixbuf dirIcon, fileIcon;
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ListStore store;
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ToolButton upButton;
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public DemoIconView () : base ("Gtk.IconView demo")
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{
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SetDefaultSize (650, 400);
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DeleteEvent += new DeleteEventHandler (OnWinDelete);
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VBox vbox = new VBox (false, 0);
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Add (vbox);
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Toolbar toolbar = new Toolbar ();
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vbox.PackStart (toolbar, false, false, 0);
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upButton = new ToolButton (Stock.GoUp);
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upButton.IsImportant = true;
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upButton.Sensitive = false;
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toolbar.Insert (upButton, -1);
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ToolButton homeButton = new ToolButton (Stock.Home);
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homeButton.IsImportant = true;
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toolbar.Insert (homeButton, -1);
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fileIcon = GetIcon (Stock.File);
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dirIcon = GetIcon (Stock.Open);
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ScrolledWindow sw = new ScrolledWindow ();
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sw.ShadowType = ShadowType.EtchedIn;
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sw.SetPolicy (PolicyType.Automatic, PolicyType.Automatic);
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vbox.PackStart (sw, true, true, 0);
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// Create the store and fill it with the contents of '/'
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store = CreateStore ();
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FillStore ();
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IconView iconView = new IconView (store);
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iconView.SelectionMode = SelectionMode.Multiple;
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upButton.Clicked += new EventHandler (OnUpClicked);
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homeButton.Clicked += new EventHandler (OnHomeClicked);
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iconView.TextColumn = COL_DISPLAY_NAME;
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iconView.PixbufColumn = COL_PIXBUF;
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iconView.ItemActivated += new ItemActivatedHandler (OnItemActivated);
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sw.Add (iconView);
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iconView.GrabFocus ();
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ShowAll ();
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}
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Gdk.Pixbuf GetIcon (string name)
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{
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return Gtk.IconTheme.Default.LoadIcon (name, 48, (IconLookupFlags) 0);
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}
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ListStore CreateStore ()
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{
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// path, name, pixbuf, is_dir
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ListStore store = new ListStore (typeof (string), typeof (string), typeof (Gdk.Pixbuf), typeof (bool));
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// Set sort column and function
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store.DefaultSortFunc = new TreeIterCompareFunc (SortFunc);
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store.SetSortColumnId (COL_DISPLAY_NAME, SortType.Ascending);
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return store;
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}
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void FillStore ()
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{
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// first clear the store
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store.Clear ();
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// Now go through the directory and extract all the file information
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if (!parent.Exists)
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return;
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foreach (DirectoryInfo di in parent.GetDirectories ())
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{
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if (!di.Name.StartsWith ("."))
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store.AppendValues (di.FullName, di.Name, dirIcon, true);
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}
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foreach (FileInfo file in parent.GetFiles ())
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{
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if (!file.Name.StartsWith ("."))
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store.AppendValues (file.FullName, file.Name, fileIcon, false);
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}
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}
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int SortFunc (TreeModel model, TreeIter a, TreeIter b)
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{
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// sorts folders before files
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bool a_is_dir = (bool) model.GetValue (a, COL_IS_DIRECTORY);
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bool b_is_dir = (bool) model.GetValue (b, COL_IS_DIRECTORY);
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string a_name = (string) model.GetValue (a, COL_DISPLAY_NAME);
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string b_name = (string) model.GetValue (b, COL_DISPLAY_NAME);
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if (!a_is_dir && b_is_dir)
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return 1;
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else if (a_is_dir && !b_is_dir)
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return -1;
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else
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return String.Compare (a_name, b_name);
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}
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void OnHomeClicked (object sender, EventArgs a)
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{
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parent = new DirectoryInfo (Environment.GetFolderPath (Environment.SpecialFolder.Personal));
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FillStore ();
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upButton.Sensitive = true;
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}
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void OnItemActivated (object sender, ItemActivatedArgs a)
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{
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TreeIter iter;
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store.GetIter (out iter, a.Path);
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string path = (string) store.GetValue (iter, COL_PATH);
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bool isDir = (bool) store.GetValue (iter, COL_IS_DIRECTORY);
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if (!isDir)
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return;
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// Replace parent with path and re-fill the model
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parent = new DirectoryInfo (path);
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FillStore ();
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// Sensitize the up button
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upButton.Sensitive = true;
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}
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void OnUpClicked (object sender, EventArgs a)
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{
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parent = parent.Parent;
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FillStore ();
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upButton.Sensitive = (parent.FullName == "/" ? false : true);
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}
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void OnWinDelete (object sender, DeleteEventArgs a)
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{
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Hide ();
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Dispose ();
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}
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}
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}
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#endif
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