321 lines
8.1 KiB
C#
321 lines
8.1 KiB
C#
//
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// DemoMain.cs, port of main.c from gtk-demo
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//
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// Author: Daniel Kornhauser <dkor@alum.mit.edu>
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//
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// Copyright (C) 2003, Ximian Inc.
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using System;
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using System.IO;
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using System.Collections;
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using System.Reflection;
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using Gdk;
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using Gtk;
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using Pango;
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namespace GtkDemo
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{
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public class DemoMain
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{
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private Gtk.Window window;
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private TextBuffer infoBuffer = new TextBuffer (null);
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private TextBuffer sourceBuffer = new TextBuffer (null);
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private TreeView treeView;
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private TreeStore store;
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public static void Main (string[] args)
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{
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Application.Init ();
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new DemoMain ();
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Application.Run ();
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}
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public DemoMain ()
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{
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SetupDefaultIcon ();
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window = new Gtk.Window ("Gtk# Code Demos");
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window.SetDefaultSize (600,400);
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window.DeleteEvent += new DeleteEventHandler (WindowDelete);
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HBox hbox = new HBox (false, 0);
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window.Add (hbox);
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TreeView tree = CreateTree ();
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tree.AppendColumn ("Widget (double click for demo)", new CellRendererText (), "text", 0);
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tree.Model = FillTree ();
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tree.Selection.Changed += new EventHandler (OnTreeChanged);
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tree.RowActivated += new RowActivatedHandler (OnRowActivated);
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hbox.PackStart (tree, false, false, 0);
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Notebook notebook = new Notebook ();
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hbox.PackStart (notebook, true, true, 0);
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notebook.AppendPage (CreateText (infoBuffer, false), new Label ("_Info"));
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notebook.AppendPage (CreateText (sourceBuffer, true), new Label ("_Source"));
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window.ShowAll ();
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}
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private void LoadFile (string filename)
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{
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Stream file = Assembly.GetExecutingAssembly ().GetManifestResourceStream (filename);
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if (file != null)
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{
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LoadStream (file, filename);
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}
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else if (File.Exists (filename))
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{
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file = File.OpenRead (filename);
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LoadStream (file, filename);
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}
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else
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{
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infoBuffer.Text = String.Format ("{0} was not found.", filename);
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sourceBuffer.Text = String.Empty;
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}
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Fontify ();
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}
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private void LoadStream (Stream file, string filename)
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{
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StreamReader sr = new StreamReader (file);
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string s = sr.ReadToEnd ();
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sr.Close ();
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file.Close ();
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infoBuffer.Text = filename;
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sourceBuffer.Text = s;
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}
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private void Fontify ()
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{
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}
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// TODO: Display system error
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private void SetupDefaultIcon ()
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{
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Gdk.Pixbuf pixbuf = Gdk.Pixbuf.LoadFromResource ("gtk-logo-rgb.gif");
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if (pixbuf != null)
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{
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// The gtk-logo-rgb icon has a white background, make it transparent
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Pixbuf transparent = pixbuf.AddAlpha (true, 0xff, 0xff, 0xff);
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Gtk.Window.DefaultIconList = new Gdk.Pixbuf [] {transparent};
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}
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}
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// BUG: I have to click twice close in order for the dialog to disappear
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private void ResponseCallback (object obj, ResponseArgs args)
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{
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Dialog dialog = (Dialog) obj ;
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dialog.Destroy ();
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}
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private ScrolledWindow CreateText (TextBuffer buffer, bool IsSource)
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{
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ScrolledWindow scrolledWindow = new ScrolledWindow ();
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scrolledWindow.SetPolicy (PolicyType.Automatic, PolicyType.Automatic);
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scrolledWindow.ShadowType = ShadowType.In;
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TextView textView = new TextView ();
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textView.Buffer = buffer;
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// STUCK
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textView.Editable = false;
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textView.CursorVisible = false;
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scrolledWindow.Add (textView);
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if (IsSource)
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{
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FontDescription fontDescription = FontDescription.FromString ("Courier 12");
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textView.ModifyFont (fontDescription);
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textView.WrapMode = Gtk.WrapMode.None;
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}
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else
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{
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// Make it a bit nicer for text
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textView.WrapMode = Gtk.WrapMode.Word;
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textView.PixelsAboveLines = 2;
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textView.PixelsBelowLines = 2;
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}
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return scrolledWindow;
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}
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private TreeView CreateTree ()
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{
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treeView = new TreeView ();
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return treeView;
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}
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private TreeStore FillTree ()
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{
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store = new TreeStore (typeof (string));
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store.AppendValues ("Application Window (75% complete)");
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store.AppendValues ("Button Boxes");
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store.AppendValues ("Change Display");
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store.AppendValues ("Color Selector");
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store.AppendValues ("Dialog and Message Boxes");
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store.AppendValues ("Drawing Area");
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store.AppendValues ("Images");
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store.AppendValues ("Item Factory (5% complete)");
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store.AppendValues ("Menus");
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store.AppendValues ("Paned Widget");
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store.AppendValues ("Pixbuf");
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store.AppendValues ("Size Groups");
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store.AppendValues ("Stock Item and Icon Browser (10% complete)");
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store.AppendValues ("Text Widget (95% complete)");
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TreeIter iter = store.AppendValues ("Tree View");
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store.AppendValues (iter, "Editable Cells");
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store.AppendValues (iter, "List Store");
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store.AppendValues (iter, "Tree Store");
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return store;
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}
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private void OnTreeChanged (object o, EventArgs args)
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{
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TreeIter iter;
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TreeModel model;
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if (treeView.Selection.GetSelected (out model, out iter))
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{
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TreePath path;
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path = store.GetPath (iter);
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switch (path.ToString()) {
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case "0":
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LoadFile ("DemoApplicationWindow.cs");
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break;
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case "1":
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LoadFile ("DemoButtonBox.cs");
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break;
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case "2":
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//
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break;
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case "3":
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LoadFile ("DemoColorSelection.cs");
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break;
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case "4":
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LoadFile ("DemoDialog.cs");
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break;
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case "5":
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LoadFile ("DemoDrawingArea.cs");
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break;
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case "6":
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LoadFile ("DemoImages.cs");
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break;
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case "7":
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LoadFile ("DemoItemFactory.cs");
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break;
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case "8":
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LoadFile ("DemoMenus.cs");
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break;
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case "9":
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LoadFile ("DemoPanes.cs");
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break;
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case "10":
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LoadFile ("DemoPixbuf.cs");
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break;
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case "11":
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LoadFile ("DemoSizeGroup.cs");
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break;
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case "12":
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LoadFile ("DemoStockBrowser.cs");
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break;
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case "13":
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LoadFile ("DemoTextView.cs");
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break;
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case "14":
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// do nothing
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break;
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case "14:0":
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LoadFile ("DemoEditableCells.cs");
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break;
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case "14:1":
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LoadFile ("DemoListStore.cs");
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break;
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case "14:2":
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LoadFile ("DemoTreeStore.cs");
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break;
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default:
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break;
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}
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}
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}
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private void OnRowActivated (object o, RowActivatedArgs args)
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{
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switch (args.Path.ToString ()) {
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case "0":
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new DemoApplicationWindow ();
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break;
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case "1":
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new DemoButtonBox ();
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break;
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case "2":
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//
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break;
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case "3":
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new DemoColorSelection ();
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break;
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case "4":
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new DemoDialog ();
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break;
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case "5":
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new DemoDrawingArea ();
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break;
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case "6":
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new DemoImages ();
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break;
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case "7":
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new DemoItemFactory ();
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break;
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case "8":
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new DemoMenus ();
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break;
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case "9":
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new DemoPanes ();
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break;
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case "10":
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new DemoPixbuf ();
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break;
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case "11":
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new DemoSizeGroup ();
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break;
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case "12":
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new DemoStockBrowser ();
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break;
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case "13":
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new DemoTextView ();
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break;
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case "14":
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// do nothing
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break;
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case "14:0":
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new DemoEditableCells ();
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break;
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case "14:1":
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new DemoListStore ();
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break;
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case "14:2":
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new DemoTreeStore ();
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break;
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default:
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break;
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}
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}
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private void WindowDelete (object o, DeleteEventArgs args)
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{
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Application.Quit ();
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args.RetVal = true;
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}
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}
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}
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