1 | use crate::platform::x11::WindowType; |
2 | use std::sync::Arc; |
3 | |
4 | use super::*; |
5 | |
6 | #[derive (Debug)] |
7 | #[allow (dead_code)] |
8 | pub enum StateOperation { |
9 | Remove = 0, // _NET_WM_STATE_REMOVE |
10 | Add = 1, // _NET_WM_STATE_ADD |
11 | Toggle = 2, // _NET_WM_STATE_TOGGLE |
12 | } |
13 | |
14 | impl From<bool> for StateOperation { |
15 | fn from(op: bool) -> Self { |
16 | if op { |
17 | StateOperation::Add |
18 | } else { |
19 | StateOperation::Remove |
20 | } |
21 | } |
22 | } |
23 | |
24 | impl WindowType { |
25 | pub(crate) fn as_atom(&self, xconn: &Arc<XConnection>) -> xproto::Atom { |
26 | use self::WindowType::*; |
27 | let atom_name: AtomName = match *self { |
28 | Desktop => _NET_WM_WINDOW_TYPE_DESKTOP, |
29 | Dock => _NET_WM_WINDOW_TYPE_DOCK, |
30 | Toolbar => _NET_WM_WINDOW_TYPE_TOOLBAR, |
31 | Menu => _NET_WM_WINDOW_TYPE_MENU, |
32 | Utility => _NET_WM_WINDOW_TYPE_UTILITY, |
33 | Splash => _NET_WM_WINDOW_TYPE_SPLASH, |
34 | Dialog => _NET_WM_WINDOW_TYPE_DIALOG, |
35 | DropdownMenu => _NET_WM_WINDOW_TYPE_DROPDOWN_MENU, |
36 | PopupMenu => _NET_WM_WINDOW_TYPE_POPUP_MENU, |
37 | Tooltip => _NET_WM_WINDOW_TYPE_TOOLTIP, |
38 | Notification => _NET_WM_WINDOW_TYPE_NOTIFICATION, |
39 | Combo => _NET_WM_WINDOW_TYPE_COMBO, |
40 | Dnd => _NET_WM_WINDOW_TYPE_DND, |
41 | Normal => _NET_WM_WINDOW_TYPE_NORMAL, |
42 | }; |
43 | |
44 | let atoms: &Atoms = xconn.atoms(); |
45 | atoms[atom_name] |
46 | } |
47 | } |
48 | |
49 | pub struct MotifHints { |
50 | hints: MwmHints, |
51 | } |
52 | |
53 | struct MwmHints { |
54 | flags: u32, |
55 | functions: u32, |
56 | decorations: u32, |
57 | input_mode: u32, |
58 | status: u32, |
59 | } |
60 | |
61 | #[allow (dead_code)] |
62 | mod mwm { |
63 | // Motif WM hints are obsolete, but still widely supported. |
64 | // https://stackoverflow.com/a/1909708 |
65 | pub const MWM_HINTS_FUNCTIONS: u32 = 1 << 0; |
66 | pub const MWM_HINTS_DECORATIONS: u32 = 1 << 1; |
67 | |
68 | pub const MWM_FUNC_ALL: u32 = 1 << 0; |
69 | pub const MWM_FUNC_RESIZE: u32 = 1 << 1; |
70 | pub const MWM_FUNC_MOVE: u32 = 1 << 2; |
71 | pub const MWM_FUNC_MINIMIZE: u32 = 1 << 3; |
72 | pub const MWM_FUNC_MAXIMIZE: u32 = 1 << 4; |
73 | pub const MWM_FUNC_CLOSE: u32 = 1 << 5; |
74 | } |
75 | |
76 | impl MotifHints { |
77 | pub fn new() -> MotifHints { |
78 | MotifHints { |
79 | hints: MwmHints { flags: 0, functions: 0, decorations: 0, input_mode: 0, status: 0 }, |
80 | } |
81 | } |
82 | |
83 | pub fn set_decorations(&mut self, decorations: bool) { |
84 | self.hints.flags |= mwm::MWM_HINTS_DECORATIONS; |
85 | self.hints.decorations = decorations as u32; |
86 | } |
87 | |
88 | pub fn set_maximizable(&mut self, maximizable: bool) { |
89 | if maximizable { |
90 | self.add_func(mwm::MWM_FUNC_MAXIMIZE); |
91 | } else { |
92 | self.remove_func(mwm::MWM_FUNC_MAXIMIZE); |
93 | } |
94 | } |
95 | |
96 | fn add_func(&mut self, func: u32) { |
97 | if self.hints.flags & mwm::MWM_HINTS_FUNCTIONS != 0 { |
98 | if self.hints.functions & mwm::MWM_FUNC_ALL != 0 { |
99 | self.hints.functions &= !func; |
100 | } else { |
101 | self.hints.functions |= func; |
102 | } |
103 | } |
104 | } |
105 | |
106 | fn remove_func(&mut self, func: u32) { |
107 | if self.hints.flags & mwm::MWM_HINTS_FUNCTIONS == 0 { |
108 | self.hints.flags |= mwm::MWM_HINTS_FUNCTIONS; |
109 | self.hints.functions = mwm::MWM_FUNC_ALL; |
110 | } |
111 | |
112 | if self.hints.functions & mwm::MWM_FUNC_ALL != 0 { |
113 | self.hints.functions |= func; |
114 | } else { |
115 | self.hints.functions &= !func; |
116 | } |
117 | } |
118 | } |
119 | |
120 | impl Default for MotifHints { |
121 | fn default() -> Self { |
122 | Self::new() |
123 | } |
124 | } |
125 | |
126 | impl XConnection { |
127 | pub fn get_motif_hints(&self, window: xproto::Window) -> MotifHints { |
128 | let atoms = self.atoms(); |
129 | let motif_hints = atoms[_MOTIF_WM_HINTS]; |
130 | |
131 | let mut hints = MotifHints::new(); |
132 | |
133 | if let Ok(props) = self.get_property::<u32>(window, motif_hints, motif_hints) { |
134 | hints.hints.flags = props.first().cloned().unwrap_or(0); |
135 | hints.hints.functions = props.get(1).cloned().unwrap_or(0); |
136 | hints.hints.decorations = props.get(2).cloned().unwrap_or(0); |
137 | hints.hints.input_mode = props.get(3).cloned().unwrap_or(0); |
138 | hints.hints.status = props.get(4).cloned().unwrap_or(0); |
139 | } |
140 | |
141 | hints |
142 | } |
143 | |
144 | #[allow (clippy::unnecessary_cast)] |
145 | pub fn set_motif_hints( |
146 | &self, |
147 | window: xproto::Window, |
148 | hints: &MotifHints, |
149 | ) -> Result<VoidCookie<'_>, X11Error> { |
150 | let atoms = self.atoms(); |
151 | let motif_hints = atoms[_MOTIF_WM_HINTS]; |
152 | |
153 | let hints_data: [u32; 5] = [ |
154 | hints.hints.flags as u32, |
155 | hints.hints.functions as u32, |
156 | hints.hints.decorations as u32, |
157 | hints.hints.input_mode as u32, |
158 | hints.hints.status as u32, |
159 | ]; |
160 | |
161 | self.change_property( |
162 | window, |
163 | motif_hints, |
164 | motif_hints, |
165 | xproto::PropMode::REPLACE, |
166 | &hints_data, |
167 | ) |
168 | } |
169 | } |
170 | |