1 // SystemTray.hh
2 // Copyright (c) 2003 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
3 //
4 // Permission is hereby granted, free of charge, to any person obtaining a
5 // copy of this software and associated documentation files (the "Software"),
6 // to deal in the Software without restriction, including without limitation
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8 // and/or sell copies of the Software, and to permit persons to whom the
9 // Software is furnished to do so, subject to the following conditions:
10 //
11 // The above copyright notice and this permission notice shall be included in
12 // all copies or substantial portions of the Software.
13 //
14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 // DEALINGS IN THE SOFTWARE.
21 
22 #ifndef SYSTEMTRAY_HH
23 #define SYSTEMTRAY_HH
24 
25 
26 #include "FbTk/FbWindow.hh"
27 #include "FbTk/EventHandler.hh"
28 #include "FbTk/Signal.hh"
29 
30 #include "ToolTheme.hh"
31 #include "ToolbarItem.hh"
32 
33 #include <list>
34 #include <memory>
35 
36 class BScreen;
37 class ButtonTheme;
38 class TrayWindow;
39 class AtomHandler;
40 
41 namespace FbTk {
42 template <class T> class ThemeProxy;
43 }
44 
45 class SystemTray: public ToolbarItem, public FbTk::EventHandler,
46                   private FbTk::SignalTracker {
47 public:
48 
49     explicit SystemTray(const FbTk::FbWindow &parent,
50                         FbTk::ThemeProxy<ToolTheme> &theme, BScreen& screen);
51     virtual ~SystemTray();
52 
53     void move(int x, int y);
54     void resize(unsigned int width, unsigned int height);
55     void moveResize(int x, int y,
56                     unsigned int width, unsigned int height);
57     void show();
58     void hide();
59 
active()60     bool active() { return !m_clients.empty(); }
61 
62     bool clientMessage(const XClientMessageEvent &event);
63     void exposeEvent(XExposeEvent &event);
64     void handleEvent(XEvent &event);
65 
66     void addClient(Window win, bool using_xembed);
67     void removeClient(Window win, bool destroyed);
68 
69     unsigned int width() const;
70     unsigned int height() const;
71     unsigned int borderWidth() const;
72 
numClients() const73     int numClients() const { return m_clients.size(); }
window() const74     const FbTk::FbWindow &window() const { return m_window; }
75 
renderTheme(int alpha)76     void renderTheme(int alpha) {
77         m_window.setBorderWidth(m_theme->border().width());
78         m_window.setBorderColor(m_theme->border().color());
79         m_window.setAlpha(alpha);
80         update();
81     }
updateSizing()82     void updateSizing() { m_window.setBorderWidth(m_theme->border().width()); }
83 
parentMoved()84     void parentMoved() { m_window.parentMoved(); }
85 
86     static std::string getNetSystemTrayAtom(int screen_nr);
87 
88     static Atom getXEmbedInfoAtom();
89 
90 private:
91     void update();
92 
93     typedef std::list<TrayWindow *> ClientList;
94     ClientList::iterator findClient(Window win);
95 
96     void rearrangeClients();
97     void removeAllClients();
98     void hideClient(TrayWindow *traywin, bool destroyed = false);
99     void showClient(TrayWindow *traywin);
100 
101     FbTk::FbWindow m_window;
102     FbTk::ThemeProxy<ToolTheme> &m_theme;
103     BScreen& m_screen;
104     Pixmap m_pixmap;
105 
106     std::auto_ptr<AtomHandler> m_handler;
107 
108     ClientList m_clients;
109     size_t m_num_visible_clients;
110 
111     // gaim/pidgin seems to barf if the selection is not an independent window.
112     // I suspect it's an interacton with parent relationship and gdk window caching.
113     FbTk::FbWindow m_selection_owner;
114 };
115 
116 #endif // SYSTEMTRAY_HH
117