blob: 1dd8333bb4205c334a496249da21fa1934f7c673 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
;;; exwm-layout.el --- Layout Module for EXWM -*- lexical-binding: t -*-
;; Copyright (C) 2015 Chris Feng
;; Author: Chris Feng <chris.w.feng@gmail.com>
;; Keywords: unix
;; This file is not part of GNU Emacs.
;; This file 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 file 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 file. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This module is responsible for keeping X client window properly displayed.
;;; Code:
(defun exwm-layout--show (id &optional window)
"Show window ID exactly fit in the Emacs window WINDOW."
(exwm--log "Show #x%x in %s" id window)
(xcb:+request exwm--connection (make-instance 'xcb:MapWindow :window id))
(xcb:+request exwm--connection
(make-instance 'xcb:icccm:set-WM_STATE
:window id :state xcb:icccm:WM_STATE:NormalState
:icon xcb:Window:None))
(let* ((edges (or (exwm--with-current-id id exwm--floating-edges)
(window-inside-pixel-edges window)))
(x (elt edges 0))
(y (elt edges 1))
(width (- (elt edges 2) (elt edges 0)))
(height (- (elt edges 3) (elt edges 1))))
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window id
:value-mask (logior xcb:ConfigWindow:X
xcb:ConfigWindow:Y
xcb:ConfigWindow:Width
xcb:ConfigWindow:Height
xcb:ConfigWindow:StackMode)
:x x :y y :width width :height height
;; In order to put non-floating window at bottom
:stack-mode xcb:StackMode:Below))
(xcb:+request exwm--connection
(make-instance 'xcb:SendEvent
:propagate 0 :destination id
:event-mask xcb:EventMask:StructureNotify
:event (xcb:marshal
(make-instance 'xcb:ConfigureNotify
:event id :window id
:above-sibling xcb:Window:None
:x x :y y
:width width :height height
:border-width 0
:override-redirect 0)
exwm--connection))))
(xcb:flush exwm--connection))
(defun exwm-layout--hide (id)
"Hide window ID."
(unless (eq xcb:icccm:WM_STATE:IconicState ;already hidden
(with-current-buffer (exwm--id->buffer id) exwm-state))
(exwm--log "Hide #x%x" id)
(xcb:+request exwm--connection
(make-instance 'xcb:ChangeWindowAttributes
:window id :value-mask xcb:CW:EventMask
:event-mask xcb:EventMask:NoEvent))
(xcb:+request exwm--connection (make-instance 'xcb:UnmapWindow :window id))
(xcb:+request exwm--connection
(make-instance 'xcb:ChangeWindowAttributes
:window id :value-mask xcb:CW:EventMask
:event-mask exwm--client-event-mask))
(xcb:+request exwm--connection
(make-instance 'xcb:icccm:set-WM_STATE
:window id
:state xcb:icccm:WM_STATE:IconicState
:icon xcb:Window:None))
(xcb:flush exwm--connection)))
(defun exwm-layout-set-fullscreen (&optional id)
"Make window ID fullscreen."
(interactive)
(with-current-buffer (if id (exwm--id->buffer id) (window-buffer))
;; Set the floating frame fullscreen first when the client is floating
(when exwm--floating-frame
(let* ((outer-id (frame-parameter exwm--floating-frame 'exwm-outer-id))
(geometry (xcb:+request-unchecked+reply exwm--connection
(make-instance 'xcb:GetGeometry
:drawable outer-id))))
(setq exwm--floating-frame-geometry
(vector (slot-value geometry 'x) (slot-value geometry 'y)
(slot-value geometry 'width)
(slot-value geometry 'height)))
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window outer-id
:value-mask (logior xcb:ConfigWindow:X
xcb:ConfigWindow:Y
xcb:ConfigWindow:Width
xcb:ConfigWindow:Height)
:x 0 :y 0
:width (x-display-pixel-width)
:height (x-display-pixel-height))))
(xcb:flush exwm--connection))
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window exwm--id
:value-mask (logior xcb:ConfigWindow:X
xcb:ConfigWindow:Y
xcb:ConfigWindow:Width
xcb:ConfigWindow:Height)
:x 0 :y 0
:width (x-display-pixel-width)
:height (x-display-pixel-height)))
(xcb:+request exwm--connection
(make-instance 'xcb:ewmh:set-_NET_WM_STATE
:window exwm--id
:data (vector xcb:Atom:_NET_WM_STATE_FULLSCREEN)))
(xcb:flush exwm--connection)
(cl-assert (not exwm--fullscreen))
(setq exwm--fullscreen t)
(exwm-input-release-keyboard)))
(defun exwm-layout-unset-fullscreen (&optional id)
"Restore window from fullscreen state."
(interactive)
(with-current-buffer (if id (exwm--id->buffer id) (window-buffer))
;; Restore the floating frame if the client is floating
(when exwm--floating-frame
(xcb:+request exwm--connection
(make-instance 'xcb:ConfigureWindow
:window (frame-parameter exwm--floating-frame
'exwm-outer-id)
:value-mask (logior xcb:ConfigWindow:X
xcb:ConfigWindow:Y
xcb:ConfigWindow:Width
xcb:ConfigWindow:Height)
:x (elt exwm--floating-frame-geometry 0)
:y (elt exwm--floating-frame-geometry 1)
:width (elt exwm--floating-frame-geometry 2)
:height (elt exwm--floating-frame-geometry 3))))
(exwm-layout--show exwm--id)
(xcb:+request exwm--connection
(make-instance 'xcb:ewmh:set-_NET_WM_STATE :window exwm--id :data []))
(xcb:flush exwm--connection)
(cl-assert exwm--fullscreen)
(setq exwm--fullscreen nil)
(exwm-input-grab-keyboard)))
(defvar exwm-layout--window-configuration (current-window-configuration)
"Last saved window configuration, for avoiding unnecessary refreshes.")
(defun exwm-layout--refresh ()
"Refresh layout."
(unless (compare-window-configurations exwm-layout--window-configuration
(current-window-configuration))
(exwm--log "Refresh layout")
(setq exwm-layout--window-configuration (current-window-configuration))
(let ((frame (selected-frame))
windows)
(if (not (memq frame exwm-workspace--list))
;; Refresh a floating frame
(when (eq major-mode 'exwm-mode)
(with-current-buffer (window-buffer (frame-first-window frame))
(exwm-layout--show exwm--id (frame-first-window frame))))
;; Refresh the whole workspace
(dolist (pair exwm--id-buffer-alist)
(with-current-buffer (cdr pair)
;; Exclude windows on other workspaces and floating frames
(when (and (eq frame exwm--frame) (not exwm--floating-frame))
(setq windows (get-buffer-window-list (current-buffer) 0))
(if (not windows)
(exwm-layout--hide exwm--id)
(exwm-layout--show exwm--id (car windows))
(dolist (i (cdr windows))
(set-window-buffer i "*scratch*"))))))))))
(defun exwm-layout--init ()
"Initialize layout module."
;; Auto refresh layout
(add-hook 'window-configuration-change-hook 'exwm-layout--refresh))
(provide 'exwm-layout)
;;; exwm-layout.el ends here
|
