Commit | Line | Data |
---|---|---|
6c708f25 AT |
1 | package main |
2 | ||
3 | import ( | |
4 | "fmt" | |
5 | "log" | |
6 | "os" | |
7 | "os/exec" | |
8 | ||
9 | "github.com/jezek/xgb" | |
6c708f25 AT |
10 | "github.com/jezek/xgb/xproto" |
11 | ) | |
12 | ||
13 | // TODO: Make a separate keysym file and fully populate it. | |
14 | const ( | |
15 | XK_q = 0x0071 | |
16 | XK_Return = 0xff0d | |
17 | ) | |
18 | ||
6c708f25 | 19 | func main() { |
effccebe AT |
20 | fmt.Println("ILLI: Execution begins") |
21 | ||
19cbf0a1 AT |
22 | xconn := connectToXServer() |
23 | attachedScreens := getAttachedScreens(xconn) | |
24 | xroot := getXRoot(xconn) | |
effccebe | 25 | keymap := getKeyboardMap(xconn) |
19cbf0a1 | 26 | registerForKeyEvents(xconn, xroot, keymap) |
12099ed6 | 27 | |
19cbf0a1 | 28 | becomeWM(xconn, xroot) |
12099ed6 | 29 | |
19cbf0a1 | 30 | // Build a list of windows needing management ------------------------------ |
6c708f25 | 31 | |
19cbf0a1 AT |
32 | if len(attachedScreens) > 0 { |
33 | fmt.Println("The Go compiler is waaaaay too picky about unused variables...") | |
6c708f25 AT |
34 | } |
35 | ||
effccebe | 36 | tree, err := xproto.QueryTree(xconn, xroot.Root).Reply() |
6c708f25 AT |
37 | if err != nil { |
38 | log.Fatal(err) | |
39 | } | |
40 | if tree != nil { | |
41 | //workspaces = make(map[string]*Workspace) | |
42 | //defaultw := &Workspace{mu: &sync.Mutex{}} | |
43 | for _, c := range tree.Children { | |
effccebe | 44 | if isMappedWindow(xconn, c) { |
6c708f25 AT |
45 | // err := defaultw.Add(c) |
46 | // if err != nil { | |
47 | // log.Println(err) | |
48 | // } | |
49 | fmt.Println("ILLI: Found a client.") | |
50 | } | |
51 | ||
52 | } | |
53 | ||
54 | // if len(attachedScreens) > 0 { | |
55 | // defaultw.Screen = &attachedScreens[0] | |
56 | // } | |
57 | // | |
58 | // workspaces["default"] = defaultw | |
59 | // | |
60 | // if err := defaultw.TileWindows(); err != nil { | |
61 | // log.Println(err) | |
62 | // } | |
63 | ||
64 | } | |
65 | ||
12099ed6 AT |
66 | // Main program loop reacts to X events ------------------------------------ |
67 | ||
6c708f25 AT |
68 | eventloop: |
69 | for { | |
effccebe | 70 | xevent, err := xconn.WaitForEvent() |
6c708f25 AT |
71 | if err != nil { |
72 | log.Println(err) | |
73 | continue | |
74 | } | |
75 | switch e := xevent.(type) { | |
76 | case xproto.KeyPressEvent: | |
effccebe | 77 | if err := handleKeyPressEvent(keymap, e); err != nil { |
6c708f25 AT |
78 | break eventloop |
79 | } | |
80 | default: | |
81 | log.Println(xevent) | |
82 | } | |
83 | } | |
84 | } | |
85 | ||
12099ed6 AT |
86 | // The client list appears to have some entries for windows that shouldn't |
87 | // actually be viewable. For now, it appears that only windows with a | |
88 | // `MapState` value of 2 should be viewable. TODO: Verify this. | |
89 | // - https://github.com/BurntSushi/xgb/blob/master/xproto/xproto.go#L3772 | |
90 | // - https://github.com/BurntSushi/xgb/blob/master/xproto/xproto.go#L10287 | |
effccebe AT |
91 | func isMappedWindow(conn *xgb.Conn, windowID xproto.Window) bool { |
92 | reply, err := xproto.GetWindowAttributes(conn, windowID).Reply() | |
6c708f25 AT |
93 | if err != nil { |
94 | log.Fatal(err) | |
95 | } | |
6c708f25 AT |
96 | if reply != nil && reply.MapState == 2 { |
97 | return true | |
98 | } | |
99 | return false | |
100 | } | |
101 | ||
12099ed6 AT |
102 | // TODO: Determine how I want to split the main event loop from the various |
103 | // event handlers (like this keypress handler). It shouldn't grow too | |
104 | // fragmented, nor should it grow into a monolithic beast, but the balance | |
105 | // needs to be selected after the handlers are built out more completely. | |
effccebe | 106 | func handleKeyPressEvent(keymap [256][]xproto.Keysym, key xproto.KeyPressEvent) error { |
6c708f25 AT |
107 | switch keymap[key.Detail][0] { |
108 | case XK_q: | |
109 | switch key.State { | |
110 | case xproto.ModMask1 | xproto.ModMaskShift: | |
111 | // TODO: Where and how do I want to handle exit/restart? | |
112 | // ------------------------- | |
113 | // We must manually close the X connection since we used | |
114 | // `defer` when setting it up and os.Exit() short-circuits | |
115 | // that deferral. | |
effccebe | 116 | //xc.Close() |
6c708f25 AT |
117 | os.Exit(0) |
118 | } | |
119 | case XK_Return: | |
120 | switch key.State { | |
121 | case xproto.ModMask1 | xproto.ModMaskShift: | |
122 | cmd := exec.Command("xterm") | |
123 | err := cmd.Start() | |
124 | if err != nil { | |
125 | log.Fatal(err) | |
126 | } | |
127 | } | |
128 | default: | |
129 | return nil | |
130 | } | |
12099ed6 | 131 | return nil // TODO: What do I actually want to return here? |
6c708f25 | 132 | } |