2 * Copyright (C) 2010 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 (* Main window state. *)
27 window : GWindow.window;
29 vmcombo : GEdit.combo_box GEdit.text_combo;
30 throbber : GMisc.image;
31 throbber_static : GdkPixbuf.pixbuf;
32 statusbar : GMisc.statusbar;
33 statusbar_context : GMisc.statusbar_context;
34 progress_bar : GRange.progress_bar;
37 (* Set the statusbar text. *)
38 let set_statusbar ws msg =
39 ws.statusbar_context#pop ();
40 ignore (ws.statusbar_context#push msg)
42 (* Clear the filetree. *)
44 Filetree.clear ws.view
46 (* Callback from Connect -> ... menu items. *)
47 let rec connect_to ws uri =
49 Slave.discard_command_queue ();
50 Slave.connect uri (when_connected ws uri)
52 (* Called back when connected to a new hypervisor. *)
53 and when_connected ws uri doms =
54 populate_vmcombo ws doms
56 and populate_vmcombo ws doms =
57 (* Populate the VM combo box. *)
58 let combo, (model, column) = ws.vmcombo in
61 fun { Slave.dom_name = name } ->
62 let row = model#append () in
63 model#set ~row ~column name
66 (* When a new domain is selected by the user, eg through vmcombo. *)
67 let rec open_domain ws name =
69 Slave.discard_command_queue ();
70 Slave.open_domain name (when_opened_domain ws name)
72 (* Called back when domain was opened successfully. *)
73 and when_opened_domain ws name data =
74 debug "when_opened_domain callback";
75 when_opened_common ws name data
77 (* When a set of disk images is selected by the user. *)
78 and open_disk_images ws images =
83 Slave.discard_command_queue ();
84 Slave.open_images images (when_opened_disk_images ws images)
86 (* Called back when disk image(s) were opened successfully. *)
87 and when_opened_disk_images ws images data =
91 debug "when_opened_disk_images callback";
92 when_opened_common ws image data
94 (* Common code for when_opened_domain/when_opened_disk_images. *)
95 and when_opened_common ws name data =
96 (* Dump some of the inspection data in debug messages. *)
97 List.iter (fun (dev, t) -> debug "filesystem: %s: %s" dev t)
98 data.Slave.insp_all_filesystems;
100 fun { Slave.insp_root = root; insp_type = typ; insp_distro = distro;
101 insp_major_version = major; insp_minor_version = minor } ->
102 debug "root device %s contains %s %s %d.%d" root typ distro major minor;
103 ) data.Slave.insp_oses;
105 Filetree.add ws.view name data
107 let throbber_busy ws () =
108 (*throbber#set_pixbuf animation*)
109 (* XXX Workaround because no binding for GdkPixbufAnimation: *)
110 let file = Filename.dirname Sys.argv.(0) // "Throbber.gif" in
111 ws.throbber#set_file file
113 let throbber_idle ws () =
114 ws.throbber#set_pixbuf ws.throbber_static
116 let progress ws (position, total) =
117 ws.progress_bar#set_fraction
118 (Int64.to_float position /. Int64.to_float total)
120 (* This is called in the main thread whenever a command fails in the
121 * slave thread. The command queue has been cleared before this is
122 * called, so our job here is to reset the main window, and if
123 * necessary to turn the exception into an error message.
126 let title = "Error" in
127 let msg = Printexc.to_string exn in
128 debug "failure hook: %s" msg;
129 let icon = GMisc.image () in
130 icon#set_stock `DIALOG_ERROR;
131 icon#set_icon_size `DIALOG;
132 GToolbox.message_box ~title ~icon msg
134 let rec open_main_window () =
135 (* I prototyped the basic window layout using Glade, but have
136 * implemented it by hand to give us more flexibility.
138 let title = "Guest Filesystem Browser" in
139 let window = GWindow.window ~width:700 ~height:700 ~title () in
140 let vbox = GPack.vbox ~packing:window#add () in
143 let connect_kvm_item, connect_xen_item, connect_none_item, _, _ =
144 make_menubar window vbox ~packing:vbox#pack () in
147 let vmcombo, throbber, throbber_static =
148 make_toolbar ~packing:vbox#pack () in
150 (* Main part of display is the file tree. *)
151 let view = make_filetree ~packing:(vbox#pack ~expand:true ~fill:true) () in
153 (* Status bar and progress bar. *)
154 let hbox = GPack.hbox ~spacing:4 ~packing:vbox#pack () in
155 let progress_bar = GRange.progress_bar ~packing:hbox#pack () in
156 let statusbar = GMisc.statusbar ~packing:(hbox#pack ~expand:true) () in
157 let statusbar_context = statusbar#new_context ~name:"Standard" in
158 ignore (statusbar_context#push title);
162 (* Construct the window_state struct. *)
167 throbber = throbber; throbber_static = throbber_static;
168 statusbar = statusbar; statusbar_context = statusbar_context;
169 progress_bar = progress_bar
172 (* Connect up the callback for menu entries etc. These require the
173 * window_state struct in callbacks.
176 (* Connect to different hypervisors. *)
177 ignore (connect_kvm_item#connect#activate
178 ~callback:(fun () -> connect_to ws (Some "qemu:///system")));
179 ignore (connect_xen_item#connect#activate
180 ~callback:(fun () -> connect_to ws (Some "xen:///")));
181 ignore (connect_none_item#connect#activate
182 ~callback:(fun () -> connect_to ws None));
184 (* VM combo box when changed by the user. *)
185 let combo, (model, column) = ws.vmcombo in
187 combo#connect#changed
190 match combo#active_iter with
191 | None -> () (* nothing selected *)
192 | Some row -> open_domain ws (model#get ~row ~column)
196 (* Return the window_state struct. *)
199 and make_menubar window vbox ~packing () =
200 let menubar = GMenu.menu_bar ~packing:vbox#pack () in
201 let factory = new GMenu.factory menubar in
202 let accel_group = factory#accel_group in
203 let connect_menu = factory#add_submenu "_Connect" in
205 let factory = new GMenu.factory connect_menu ~accel_group in
206 let connect_kvm_item = factory#add_item "Connect to local _KVM hypervisor" in
207 let connect_xen_item = factory#add_item "Connect to local _Xen hypervisor" in
208 let connect_none_item = factory#add_item "_Connect to default hypervisor" in
209 let connect_uri_item = factory#add_item "Connect to a _libvirt URI ..." in
210 ignore (factory#add_separator ());
211 let open_image_item =
212 factory#add_item "_Open disk image ..." ~key:GdkKeysyms._O in
213 ignore (factory#add_separator ());
214 let quit_item = factory#add_item "E_xit" ~key:GdkKeysyms._Q in
217 let quit _ = GMain.quit (); false in
218 ignore (window#connect#destroy ~callback:GMain.quit);
219 ignore (window#event#connect#delete ~callback:quit);
220 ignore (quit_item#connect#activate
221 ~callback:(fun () -> ignore (quit ()); ()));
223 window#add_accel_group accel_group;
225 connect_kvm_item, connect_xen_item, connect_none_item,
226 connect_uri_item, open_image_item
228 (* Top toolbar. In fact, not a toolbar because you don't seem to be
229 * able to put a combo box into a toolbar, so it's just an hbox for now.
231 and make_toolbar ~packing () =
232 let hbox = GPack.hbox ~border_width:4 ~packing () in
234 (* Combo box for displaying virtual machine names. *)
235 hbox#pack (mklabel "Guest: ");
236 let vmcombo = GEdit.combo_box_text ~packing:hbox#pack () in
239 let static = Throbber.static () in
240 (*let animation = Throbber.animation () in*)
242 GMisc.image ~pixbuf:static ~packing:(hbox#pack ~from:`END) () in
244 vmcombo, throbber, static
246 and make_filetree ~packing () =
248 GBin.scrolled_window ~packing ~hpolicy:`AUTOMATIC ~vpolicy:`ALWAYS () in
249 Filetree.create ~packing:sw#add ()
251 (* Do what the user asked on the command line. *)
252 let rec run_cli_request ws = function
253 | Cmdline.Empty_window -> ()
254 | Cmdline.Open_images images ->
255 open_disk_images ws images
256 | Cmdline.Open_guest guest ->
257 (* Open libvirt connection, and in the callback open the guest. *)
258 let uri = connect_uri () in
259 Slave.connect uri (when_connected_cli_request ws guest)
260 and when_connected_cli_request ws guest doms =
261 populate_vmcombo ws doms;
263 (* "guest" should match a domain in "doms". Check this and
264 * get the index of it.
266 let rec loop i = function
268 failwith "guest %s not found (do you need to use --connect?)" guest
269 | d::ds when d = guest -> i
270 | _::ds -> loop (i+1) ds
272 let i = loop 0 (List.map (fun { Slave.dom_name = name } -> name) doms) in
274 let combo, _ = ws.vmcombo in