tobias/docker-offlineimap
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add checks in curses ui for small windows

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addch() and addstr() throw an exception if text has to be printed
outside of the window. This may occur if the terminal is very small.
Such erroneous prints are no-ops now.

Signed-off-by: Mart Lubbers <mart@martlubbers.net>
Signed-off-by: Nicolas Sebrecht <nicolas.s-dev@laposte.net>
Github-ref: https://github.com/OfflineIMAP/offlineimap/issues/595
This commit is contained in:
Mart Lubbers 2019-02-13 11:59:34 +01:00 committed by Nicolas Sebrecht
parent 137130fbd0
commit c9f71b0c64
1 changed files with 11 additions and 2 deletions
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11
offlineimap/ui/Curses.py
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@ -137,7 +137,13 @@ class CursesAccountFrame:
sleepstr = '%3d:%02d'% (secs // 60, secs % 60) if secs else 'active' sleepstr = '%3d:%02d'% (secs // 60, secs % 60) if secs else 'active'
accstr = '%s: [%s] %12.12s: '% (self.acc_num, sleepstr, self.account) accstr = '%s: [%s] %12.12s: '% (self.acc_num, sleepstr, self.account)
self.ui.exec_locked(self.window.addstr, 0, 0, accstr) def addstr():
try:
self.window.addstr(0, 0, accstr)
except curses.error as e: # Occurs when the terminal is very small
pass
self.ui.exec_locked(addstr);
self.location = len(accstr) self.location = len(accstr)
def setwindow(self, curses_win, acc_num): def setwindow(self, curses_win, acc_num):
@ -211,7 +217,10 @@ class CursesThreadFrame:
def display(self): def display(self):
def locked_display(): def locked_display():
try:
self.window.addch(self.y, self.x, '@', self.curses_color) self.window.addch(self.y, self.x, '@', self.curses_color)
except curses.error: # Occurs when the terminal is very small
pass
self.window.refresh() self.window.refresh()
# lock the curses IO while fudging stuff # lock the curses IO while fudging stuff
self.ui.exec_locked(locked_display) self.ui.exec_locked(locked_display)