mlvirtmanager renamed as virt-ctrl.

[virt-top.git] / virt-ctrl / vc_mainwindow.ml

diff --git a/virt-ctrl/vc_mainwindow.ml b/virt-ctrl/vc_mainwindow.ml
new file mode 100644 (file)
index 0000000..3ed8add
--- /dev/null
+++ b/virt-ctrl/vc_mainwindow.ml
@@ -0,0 +1,147 @@
+(* virt-manager-like graphical management tool.
+   (C) Copyright 2007 Richard W.M. Jones, Red Hat Inc.
+   http://libvirt.org/
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*)
+
+open Printf
+
+let title = "Virtual Machine Manager"
+
+let utf8_copyright = "\194\169"
+
+let help_about () =
+  let gtk_version =
+    let gtk_major, gtk_minor, gtk_micro = GMain.Main.version in
+    sprintf "%d.%d.%d" gtk_major gtk_minor gtk_micro in
+  let virt_version = string_of_int (fst (Libvirt.get_version ())) in
+  let title = "About " ^ title in
+  let icon = GMisc.image () in
+  icon#set_stock `DIALOG_INFO;
+  icon#set_icon_size `DIALOG;
+  GToolbox.message_box
+    ~title
+    ~icon
+    ("Virtual machine manager (OCaml version) by\n" ^
+     "Richard W.M. Jones (rjones@redhat.com).\n\n" ^
+     "Copyright " ^ utf8_copyright ^ " 2007 Red Hat Inc.\n\n" ^
+     "Libvirt version: " ^ virt_version ^ "\n" ^
+     "Gtk toolkit version: " ^ gtk_version)
+
+(* Catch any exception and throw up a dialog. *)
+let () =
+  (* A nicer exception printing function. *)
+  let string_of_exn = function
+    | Libvirt.Virterror err ->
+       "Virtualisation error: " ^ (Libvirt.Virterror.to_string err)
+    | Failure msg -> msg
+    | exn -> Printexc.to_string exn
+  in
+  GtkSignal.user_handler :=
+    fun exn ->
+      let label = string_of_exn exn in
+      let title = "Error" in
+      let icon = GMisc.image () in
+      icon#set_stock `DIALOG_ERROR;
+      icon#set_icon_size `DIALOG;
+      GToolbox.message_box ~title ~icon label
+
+let make ~open_connection
+    ~start_domain ~pause_domain ~resume_domain ~shutdown_domain =
+  (* Create the main window. *)
+  let window = GWindow.window ~width:800 ~height:600 ~title () in
+  let vbox = GPack.vbox ~packing:window#add () in
+
+  (* Menu bar. *)
+  let menubar = GMenu.menu_bar ~packing:vbox#pack () in
+  let factory = new GMenu.factory menubar in
+  let accel_group = factory#accel_group in
+  let file_menu = factory#add_submenu "File" in
+  let help_menu = factory#add_submenu "Help" in
+
+  (* File menu. *)
+  let factory = new GMenu.factory file_menu ~accel_group in
+  let open_item = factory#add_item "Open connection ..."
+    ~key:GdkKeysyms._O in
+  ignore (factory#add_separator ());
+  let quit_item = factory#add_item "Quit" ~key:GdkKeysyms._Q in
+
+  ignore (open_item#connect#activate ~callback:open_connection);
+
+  (* Help menu. *)
+  let factory = new GMenu.factory help_menu ~accel_group in
+  let help_item = factory#add_item "Help" in
+  let help_about_item = factory#add_item "About ..." in
+
+  ignore (help_about_item#connect#activate ~callback:help_about);
+
+  (* The toolbar. *)
+  let toolbar = GButton.toolbar ~packing:vbox#pack () in
+  let connect_button =
+    GButton.tool_button ~label:"Connect ..." ~stock:`CONNECT
+      ~packing:toolbar#insert () in
+  let start_button =
+    GButton.tool_button ~label:"Start" ~stock:`ADD
+      ~packing:toolbar#insert () in
+  let pause_button =
+    GButton.tool_button ~label:"Pause" ~stock:`MEDIA_PAUSE
+      ~packing:toolbar#insert () in
+  let resume_button =
+    GButton.tool_button ~label:"Resume" ~stock:`MEDIA_PLAY
+      ~packing:toolbar#insert () in
+  let shutdown_button =
+    GButton.tool_button ~label:"Shutdown" ~stock:`STOP
+      ~packing:toolbar#insert () in
+  ignore (connect_button#connect#clicked ~callback:open_connection);
+
+  (* The treeview. *)
+  let (tree, model, columns, initial_state) =
+    Vc_connections.make_treeview
+      ~packing:(vbox#pack ~expand:true ~fill:true) () in
+
+  ignore (start_button#connect#clicked
+           ~callback:(start_domain tree model columns));
+  ignore (pause_button#connect#clicked
+           ~callback:(pause_domain tree model columns));
+  ignore (resume_button#connect#clicked
+           ~callback:(resume_domain tree model columns));
+  ignore (shutdown_button#connect#clicked
+           ~callback:(shutdown_domain tree model columns));
+
+  (* Make a timeout function which is called once per second. *)
+  let state = ref initial_state in
+  let callback () =
+    state := Vc_connections.repopulate tree model columns !state;
+    true
+  in
+  let timeout_id = GMain.Timeout.add ~ms:1000 ~callback in
+
+  (* Quit. *)
+  let quit _ =
+    GMain.Timeout.remove timeout_id;
+    GMain.Main.quit ();
+    false
+  in
+
+  ignore (window#connect#destroy ~callback:GMain.quit);
+  ignore (window#event#connect#delete ~callback:quit);
+  ignore (quit_item#connect#activate
+           ~callback:(fun () -> ignore (quit ()); ()));
+
+  window#add_accel_group accel_group;
+
+  (* Display the window. *)
+  window#show ()