boon

commit

38a7537104e801f0e043496c78330f33c1f8df03

parent

3b3149eb8e0957c8de41cd7a67f0e3a75ba19e2e

Author

Tobias Bengfort <tobias.bengfort@posteo.de>

Date

2023-03-30 05:31

exit fullscreen on SIGTSTP

Diffstat

1 files changed, 12 insertions, 1 deletions

diff --git a/boon.py b/boon.py

@@ -111,10 +111,12 @@ class App:
  111   111 		self.running = False
  112   112 		self.timeout = 0.5
  113   113 		self.selector = selectors.DefaultSelector()
   -1   114 		self.fullscreen = fullscreen()
  114   115 
  115   116 		# self-pipe to avoid concurrency issues with signal
  116   117 		self.sig_in, self.sig_out = os.pipe2(os.O_NONBLOCK)
  117   118 		signal.signal(signal.SIGWINCH, self.on_resize)
   -1   119 		signal.signal(signal.SIGTSTP, self.on_stop)
  118   120 
  119   121 	def update(self, force=False):
  120   122 		lines = list(self.render(self.rows, self.cols))
@@ -136,6 +138,9 @@ class App:
  136   138 	def on_resize(self, *args):
  137   139 		os.write(self.sig_out, b'r')
  138   140 
   -1   141 	def on_stop(self, *args):
   -1   142 		os.write(self.sig_out, b's')
   -1   143 
  139   144 	def select(self, *fileobjs):
  140   145 		with self.selector as sel:
  141   146 			for fileobj in fileobjs:
@@ -145,7 +150,7 @@ class App:
  145   150 
  146   151 	def run(self):
  147   152 		self.running = True
  148    -1 		with fullscreen():
   -1   153 		with self.fullscreen:
  149   154 			self.on_resize()
  150   155 			for key, mask in self.select(sys.stdin, self.sig_in):
  151   156 				if key.fileobj is self.sig_in:
@@ -153,6 +158,12 @@ class App:
  153   158 					if b == b'r':
  154   159 						self.cols, self.rows = shutil.get_terminal_size()
  155   160 						self.update(force=True)
   -1   161 					elif b == b's':
   -1   162 						self.fullscreen.__exit__(None, None, None)
   -1   163 						os.kill(os.getpid(), signal.SIGSTOP)
   -1   164 						# paused until SIGCONT
   -1   165 						self.fullscreen.__enter__()
   -1   166 						self.update(force=True)
  156   167 				else:
  157   168 					if key.fileobj is sys.stdin:
  158   169 						self.on_key(getch())