[StumpWM] Dedicated threads for potentially blocking commands

Sometimes StumpWM hangs because of blocking commands. Instead of
making StumpWM completely hang, only its dedicated thread will.
This commit is contained in:
Lucien Cartier-Tilet 2022-05-15 00:39:15 +02:00
parent f92904cdb0
commit 143161387a
Signed by: phundrak
GPG Key ID: BD7789E705CB8DCA

View File

@ -261,41 +261,43 @@ running and an instance is launched, or one already is and we are
brought to it. This is done like so:
#+begin_src lisp
(defcommand firefox () ()
"Run or raise Firefox."
(run-or-raise "firefox" '(:class "Firefox") t nil))
"Run or raise Firefox."
(sb-thread:make-thread (lambda () (run-or-raise "firefox" '(:class "Firefox") t nil))))
#+end_src
Next, this command will not only close the current window, but it will
also close the current frame.
#+begin_src lisp
(defcommand delete-window-and-frame () ()
"Delete the current frame with its window."
(delete-window)
(remove-split))
"Delete the current frame with its window."
(delete-window)
(remove-split))
#+end_src
The two following commands will create a new frame to the right and
below the current frame respectively, then focus it.
#+begin_src lisp
(defcommand hsplit-and-focus () ()
"Create a new frame on the right and focus it."
(hsplit)
(move-focus :right))
"Create a new frame on the right and focus it."
(hsplit)
(move-focus :right))
(defcommand vsplit-and-focus () ()
"Create a new frame below and move focus to it."
(vsplit)
(move-focus :down))
"Create a new frame below and move focus to it."
(vsplit)
(move-focus :down))
#+end_src
Now, lets create a command for invoking the terminal, optionally with
a program.
#+begin_src lisp
(defcommand term (&optional program) ()
"Invoke a terminal, possibly with a @arg{program}."
(run-shell-command (if program
(format nil "kitty ~A" program)
"kitty")))
"Invoke a terminal, possibly with a @arg{program}."
(sb-thread:make-thread
(lambda ()
(run-shell-command (if program
(format nil "kitty ~A" program)
"kitty")))))
#+end_src
And done! Next!
@ -559,9 +561,11 @@ It is then easy to define a command that can call this function and
set this variable so we can sort of reload the mode-line.
#+begin_src lisp
(defcommand reload-modeline () ()
"Reload modeline."
(setf *screen-mode-line-format*
(cdr (generate-modeline *mode-line-formatter-list*))))
"Reload modeline."
(sb-thread:make-thread
(lambda ()
(setf *screen-mode-line-format*
(cdr (generate-modeline *mode-line-formatter-list*))))))
#+end_src
And actually, lets reload the modeline immediately.
@ -1684,15 +1688,17 @@ This part is easy. Now that we can call our bluetooth commands easily,
we can easily define how to turn on bluetooth.
#+begin_src lisp
(defcommand bluetooth-turn-on () ()
"Turn on bluetooth."
(bluetooth-message-command "power" "on"))
"Turn on bluetooth."
(sb-thread:make-thread
(lambda () (bluetooth-message-command "power" "on"))))
#+end_src
And how to power it off.
#+begin_src lisp
(defcommand bluetooth-turn-off () ()
"Turn off bluetooth."
(bluetooth-message-command "power" "off"))
"Turn off bluetooth."
(sb-thread:make-thread
(lambda () (bluetooth-message-command "power" "off"))))
#+end_src
*** Bluetooth Devices
@ -1756,13 +1762,15 @@ collected bluetooth device and the user only has to select it. It will
then attempt to connect to it.
#+begin_src lisp
(defcommand bluetooth-connect () ()
(let* ((devices (bluetooth-get-devices))
(choice (cdr (stumpwm:select-from-menu
(stumpwm:current-screen)
(mapcar (lambda (device)
`(,(bluetooth-device-full-name device) . ,device))
devices)))))
(bluetooth-connect-device choice)))
(sb-thread:make-thread
(lambda ()
(let* ((devices (bluetooth-get-devices))
(choice (cdr (stumpwm:select-from-menu
(stumpwm:current-screen)
(mapcar (lambda (device)
`(,(bluetooth-device-full-name device) . ,device))
devices)))))
(bluetooth-connect-device choice)))))
#+end_src
*** Keybinds
@ -1848,11 +1856,11 @@ run all the time, just when I need it.
#+begin_src lisp
(stumpwm:defcommand sly-start-server () ()
"Start a slynk server for sly."
(slynk:create-server :dont-close t))
(sb-thread:make-thread (lambda () (slynk:create-server :dont-close t))))
(stumpwm:defcommand sly-stop-server () ()
"Stop current slynk server for sly."
(slynk:stop-server 4005))
(sb-thread:make-thread (lambda () (slynk:stop-server 4005))))
#+end_src
** ~swm-ssh~