def test_userptr_segfault(self):
panel = curses.panel.new_panel(self.stdscr)
class A:
def __del__(self):
panel.set_userptr(None)
panel.set_userptr(A())
panel.set_userptr(None)
def test_userptr_segfault(self):
w = curses.newwin(10, 10)
panel = curses.panel.new_panel(w)
class A:
def __del__(self):
panel.set_userptr(None)
panel.set_userptr(A())
panel.set_userptr(None)
def test_userptr_segfault(self):
w = curses.newwin(10, 10)
panel = curses.panel.new_panel(w)
class A:
def __del__(self):
panel.set_userptr(None)
panel.set_userptr(A())
panel.set_userptr(None)
def set_user_ptrs(panels):
# Set the PANEL_DATA structures for individual panels
for panel_i, panel in enumerate(panels):
win = panel.window()
y, x = win.getbegyx()
h, w = win.getmaxyx()
label = "Window Number {}".format(panel_i + 1)
label_color = 1 + panel_i % 3
panel_next = panels[(panel_i + 1) % len(panels)]
panel.set_userptr(PanelData(x, y, w, h, label, label_color,
panel_next))
def setdata(self, name, data):
"""
Set the user data pointer of the panel to data. Can be any Python object.
"""
panel = self.__panels[name]
panel.set_userptr(data)
def __del__(self):
panel.set_userptr(None)
def main():
# Initialize curses
stdscr = curses.initscr()
curses.start_color()
curses.cbreak()
curses.noecho()
stdscr.keypad(True)
# Initialize all the colors
curses.init_pair(1, curses.COLOR_RED, curses.COLOR_BLACK)
curses.init_pair(2, curses.COLOR_GREEN, curses.COLOR_BLACK)
curses.init_pair(3, curses.COLOR_BLUE, curses.COLOR_BLACK)
curses.init_pair(4, curses.COLOR_CYAN, curses.COLOR_BLACK)
NB = 3
my_wins = init_wins(NB)
# Attach a panel to each window Order is bottom up
my_panels = [
curses.panel.new_panel(my_wins[0]), # Push 0, order: stdscr-0
curses.panel.new_panel(my_wins[1]), # Push 1, order: stdscr-0-1
curses.panel.new_panel(my_wins[2]), # Push 2, order: stdscr-0-1-2
]
my_panels.extend(
[curses.panel.new_panel(my_wins[i]) for i in range(3, len(my_wins))])
# Initialize panel datas saying that nothing is hidden
panel_datas = [PanelData(False) for _ in range(NB)]
for panel, panel_data in zip(my_panels, panel_datas):
panel.set_userptr(panel_data)
# Update the stacking order. 2nd panel will be on top
curses.panel.update_panels()
# Show it on the screen
stdscr.attron(curses.color_pair(4))
stdscr.addstr(
curses.LINES - 3, 0,
"Show or Hide a window with 'a'(first window) 'b'(Second Window) 'c'(Third Window)"
)
stdscr.addstr(curses.LINES - 2, 0, "F1 to Exit")
stdscr.attroff(curses.color_pair(4))
curses.doupdate()
while True:
ch = stdscr.getch()
if ch == curses.KEY_F1:
break
elif ch == ord("a"):
temp = my_panels[0].userptr()
if temp.hide:
my_panels[0].show()
else:
my_panels[0].hide()
temp.hide = not temp.hide
elif ch == ord("b"):
temp = my_panels[1].userptr()
if temp.hide:
my_panels[1].show()
else:
my_panels[1].hide()
temp.hide = not temp.hide
elif ch == ord("c"):
temp = my_panels[2].userptr()
if temp.hide:
my_panels[2].show()
else:
my_panels[2].hide()
temp.hide = not temp.hide
curses.panel.update_panels()
curses.doupdate()
curses.endwin()
def __del__(self):
panel.set_userptr(None)