1 #include "net.h"
2 #include "docker.h"
3 #include "icons.h"
4 #include <assert.h>
5
6 Atom net_opcode_atom;
7 Window net_sel_win;
8
9 static Atom net_sel_atom;
10 static Atom net_manager_atom;
11 static Atom net_message_data_atom;
12
13 /* defined in the systray spec */
14 #define SYSTEM_TRAY_REQUEST_DOCK 0
15 #define SYSTEM_TRAY_BEGIN_MESSAGE 1
16 #define SYSTEM_TRAY_CANCEL_MESSAGE 2
17
net_create_selection_window()18 static void net_create_selection_window()
19 {
20 net_sel_win = XCreateSimpleWindow(display, root, -1, -1, 1, 1, 0, 0, 0);
21 assert(net_sel_win);
22 }
23
24
net_destroy_selection_window()25 static void net_destroy_selection_window()
26 {
27 XDestroyWindow(display, net_sel_win);
28 net_sel_win = None;
29 }
30
31
net_init()32 void net_init()
33 {
34 char *name;
35 XEvent m;
36
37 name = g_strdup_printf("_NET_SYSTEM_TRAY_S%d", DefaultScreen(display));
38 net_sel_atom = XInternAtom(display, name, False);
39 assert(net_sel_atom);
40 net_opcode_atom = XInternAtom(display, "_NET_SYSTEM_TRAY_OPCODE", False);
41 assert(net_opcode_atom);
42 net_manager_atom = XInternAtom(display, "MANAGER", False);
43 assert(net_manager_atom);
44 net_message_data_atom = XInternAtom(display, "_NET_SYSTEM_TRAY_MESSAGE_DATA",
45 False);
46 assert(net_message_data_atom);
47
48 net_create_selection_window();
49
50 XSetSelectionOwner(display, net_sel_atom, net_sel_win, CurrentTime);
51 if (XGetSelectionOwner(display, net_sel_atom) != net_sel_win)
52 return; /* we don't get the selection */
53
54 m.type = ClientMessage;
55 m.xclient.message_type = net_manager_atom;
56 m.xclient.format = 32;
57 m.xclient.data.l[0] = CurrentTime;
58 m.xclient.data.l[1] = net_sel_atom;
59 m.xclient.data.l[2] = net_sel_win;
60 m.xclient.data.l[3] = 0;
61 m.xclient.data.l[4] = 0;
62 XSendEvent(display, root, False, StructureNotifyMask, &m);
63 }
64
65
net_destroy()66 void net_destroy()
67 {
68 net_destroy_selection_window();
69 }
70
71
net_message(XClientMessageEvent * e)72 void net_message(XClientMessageEvent *e)
73 {
74 unsigned long opcode;
75 Window id;
76
77 assert(e);
78
79 opcode = e->data.l[1];
80
81 switch (opcode)
82 {
83 case SYSTEM_TRAY_REQUEST_DOCK: /* dock a new icon */
84 id = e->data.l[2];
85 if (id && icon_add(id, NET))
86 XSelectInput(display, id, StructureNotifyMask);
87 break;
88
89 case SYSTEM_TRAY_BEGIN_MESSAGE:
90 g_printerr("Message From Dockapp\n");
91 id = e->window;
92 break;
93
94 case SYSTEM_TRAY_CANCEL_MESSAGE:
95 g_printerr("Message Cancelled\n");
96 id = e->window;
97 break;
98
99 default:
100 if (opcode == net_message_data_atom) {
101 g_printerr("Text For Message From Dockapp:\n%s\n", e->data.b);
102 id = e->window;
103 break;
104 }
105
106 /* unknown message type. not in the spec. */
107 g_printerr("Warning: Received unknown client message to System Tray "
108 "selection window.\n");
109 break;
110 }
111 }
112
113
net_icon_remove(TrayWindow * traywin)114 void net_icon_remove(TrayWindow *traywin)
115 {
116 assert(traywin);
117
118 XSelectInput(display, traywin->id, NoEventMask);
119 }
120