main.cs

   1 using System;
   2 using System.Reflection;
   3 using System.Runtime.InteropServices;
   4 using Cairo;
   5 using Gtk;
   6
   7 public class Nebula {
   8         static Gtk.Window window;
   9         static VBox stack;
  10         static TextDisplay display;
  11         static TextDocument doc;
  12         static bool fullscreened = false;
  13
  14         static void Main (string[] args) {
  15                 Application.Init ();
  16                 window = new Gtk.Window("Nebula");
  17                 stack = new VBox(false, 0);
  18
  19                 if (args.Length > 0) {
  20                         doc = new TextDocument(args[0]);
  21                 } else {
  22                         doc = new TextDocument();
  23                 }
  24                 display = new TextDisplay();
  25                 display.SetDocument(doc);
  26
  27                 stack.Add(display);
  28
  29                 window.Add(stack);
  30                 window.Resize(640,480);
  31                 window.ShowAll();
  32
  33                 window.KeyPressEvent += new KeyPressEventHandler(KeyPress);
  34                 window.KeyReleaseEvent += display.KeyRelease;
  35                 SelectInput(display);
  36                 window.DeleteEvent += delegate(object o, DeleteEventArgs e) {
  37                         Application.Quit();
  38                 };
  39
  40                 Application.Run();
  41         }
  42
  43         static void SelectInput(IKeyPress w) {
  44                 window.KeyPressEvent -= display.KeyPress;
  45                 window.KeyPressEvent += w.KeyPress;
  46         }
  47
  48         [GLib.ConnectBefore ()]
  49         static void KeyPress(object o, KeyPressEventArgs args) {
  50                 TextInput input;
  51                 if ((args.Event.State & Gdk.ModifierType.ControlMask) != 0) {
  52                         switch(args.Event.Key) {
  53                         case Gdk.Key.n:
  54                                 doc = new TextDocument();
  55                                 display.SetDocument(doc);
  56                                 break;
  57                         case Gdk.Key.o:
  58                                 input = new FileSelector();
  59                                 stack.PackEnd(input);
  60                                 SelectInput(input);
  61                                 input.Show();
  62                                 input.Selected += delegate(object o2, TextInputEventArgs t) {
  63                                         if (t.Value != null) {
  64                                                 doc = new TextDocument(t.Value);
  65                                                 display.SetDocument(doc);
  66                                         }
  67                                         SelectInput(display);
  68                                         stack.Remove(input);
  69                                         input = null;
  70                                 };
  71                                 break;
  72                         case Gdk.Key.s:
  73                                 if (doc.filename == null) {
  74                                         input = new FileSelector();
  75                                         stack.PackEnd(input);
  76                                         SelectInput(input);
  77                                         input.Show();
  78                                         input.Selected += delegate(object o2, TextInputEventArgs t) {
  79                                                 if (t.Value != null) {
  80                                                         doc.Save(t.Value);
  81                                                 }
  82                                                 SelectInput(display);
  83                                                 stack.Remove(input);
  84                                                 input.Destroy();
  85                                         };
  86                                 } else {
  87                                         doc.Save();
  88                                 }
  89                                 break;
  90                         case Gdk.Key.q:
  91                                 Application.Quit();
  92                                 break;
  93                         }
  94                 } else if ((args.Event.State & Gdk.ModifierType.Mod1Mask) != 0) {
  95                         switch(args.Event.Key) {
  96                         case Gdk.Key.Return:
  97                                 if (fullscreened)
  98                                         ((Window)o).Unfullscreen();
  99                                 else
 100                                         ((Window)o).Fullscreen();
 101                                 fullscreened = ! fullscreened;
 102                                 break;
 103                         }
 104                 }
 105                 display.Update();
 106         }
 107 }