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/////////////////////////////////////////////////////////////////////////
// Copyright (c) 2011-2016 by Simon Schneegans
//
// 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 3 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, see <http://www.gnu.org/licenses/>.
/////////////////////////////////////////////////////////////////////////
namespace GnomePie {
/////////////////////////////////////////////////////////////////////
/// This group displays a list of all running application windows.
/////////////////////////////////////////////////////////////////////
public class WindowListGroup : ActionGroup {
/////////////////////////////////////////////////////////////////////
/// Used to register this type of ActionGroup. It sets the display
/// name for this ActionGroup, it's icon name and the string used in
/// the pies.conf file for this kind of ActionGroups.
/////////////////////////////////////////////////////////////////////
public static GroupRegistry.TypeDescription register() {
var description = new GroupRegistry.TypeDescription();
description.name = _("Group: Window List");
description.icon = "preferences-system-windows";
description.description = _("Shows a Slice for each of your opened Windows. Almost like Alt-Tab.");
description.id = "window_list";
return description;
}
public bool current_workspace_only { get; set; default=false; }
/////////////////////////////////////////////////////////////////////
/// Two members needed to avoid useless, frequent changes of the
/// stored Actions.
/////////////////////////////////////////////////////////////////////
private bool changing = false;
private bool changed_again = false;
private Wnck.Screen screen;
/////////////////////////////////////////////////////////////////////
/// C'tor, initializes all members.
/////////////////////////////////////////////////////////////////////
public WindowListGroup(string parent_id) {
GLib.Object(parent_id : parent_id);
}
/////////////////////////////////////////////////////////////////////
/// Loads all windows.
/////////////////////////////////////////////////////////////////////
construct {
this.screen = Wnck.Screen.get_default();
this.screen.window_opened.connect(reload);
this.screen.window_closed.connect(reload);
this.screen.active_workspace_changed.connect(reload);
this.update();
}
/////////////////////////////////////////////////////////////////////
/// This one is called, when the ActionGroup is saved.
/////////////////////////////////////////////////////////////////////
public override void on_save(Xml.TextWriter writer) {
base.on_save(writer);
writer.write_attribute("current_workspace_only", this.current_workspace_only.to_string());
}
/////////////////////////////////////////////////////////////////////
/// This one is called, when the ActionGroup is loaded.
/////////////////////////////////////////////////////////////////////
public override void on_load(Xml.Node* data) {
for (Xml.Attr* attribute = data->properties; attribute != null; attribute = attribute->next) {
string attr_name = attribute->name.down();
string attr_content = attribute->children->content;
if (attr_name == "current_workspace_only") {
this.current_workspace_only = bool.parse(attr_content);
}
}
}
/////////////////////////////////////////////////////////////////////
/// Loads all currently opened windows and creates actions for them.
/////////////////////////////////////////////////////////////////////
private void update() {
unowned GLib.List<Wnck.Window?> windows = this.screen.get_windows();
foreach (var window in windows) {
if (window.get_window_type() == Wnck.WindowType.NORMAL
&& !window.is_skip_pager() && !window.is_skip_tasklist()
&& (!current_workspace_only || (window.get_workspace() != null
&& window.get_workspace() == this.screen.get_active_workspace()))) {
var application = window.get_application();
var icon = application.get_icon_name().down();
#if HAVE_BAMF
var matcher = Bamf.Matcher.get_default();
var bamf_app = matcher.get_application_for_xid((uint32)window.get_xid());
icon = bamf_app.get_icon();
#endif
string name = window.get_name();
if (name.length > 30) {
name = name.substring(0, 30) + "...";
}
var action = new SigAction(name, icon, "%lu".printf(window.get_xid()));
action.activated.connect((time_stamp) => {
Wnck.Screen.get_default().force_update();
var xid = (X.Window)uint64.parse(action.real_command);
var win = Wnck.Window.get(xid);
if (win.get_workspace() != null) {
//select the workspace
if (win.get_workspace() != win.get_screen().get_active_workspace()) {
win.get_workspace().activate(time_stamp);
}
//select the viewport inside the workspace
if (!win.is_in_viewport(win.get_workspace()) ) {
int xp, yp, widthp, heightp, scx, scy, nx, ny, wx, wy;
win.get_geometry (out xp, out yp, out widthp, out heightp);
scx = win.get_screen().get_width();
scy = win.get_screen().get_height();
wx = win.get_workspace().get_viewport_x();
wy = win.get_workspace().get_viewport_y();
if (scx > 0 && scy > 0) {
nx= ((wx+xp) / scx) * scx;
ny= ((wy+yp) / scy) * scy;
win.get_screen().move_viewport(nx, ny);
}
}
}
if (win.is_minimized()) {
win.unminimize(time_stamp);
}
win.activate_transient(time_stamp);
});
this.add_action(action);
}
}
}
/////////////////////////////////////////////////////////////////////
/// Reloads all running applications.
/////////////////////////////////////////////////////////////////////
private void reload() {
// avoid too frequent changes...
if (!this.changing) {
this.changing = true;
Timeout.add(500, () => {
if (this.changed_again) {
this.changed_again = false;
return true;
}
// reload
this.delete_all();
this.update();
this.changing = false;
return false;
});
} else {
this.changed_again = true;
}
}
}
}
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