+import time
+
+from . import runner, progress, parse
+
+
+def panel_create(x, y):
+ """Create popup panels to a certain scale"""
+ win = curses.newwin(x, y)
+ panel = curses.panel.new_panel(win)
+ win.erase()
+ return (win, panel)
+
+
+class CursesError(BaseException):
+ def __init__(self, message="lightcards: Curses error!"):
+ self.message = message
+ print(self.message)
+ sys.exit(3)
+
+
+class Quit:
+ def __init__(self, outer, mlines=5, mcols=20):
+ self.outer = outer
+ (self.win, self.panel) = panel_create(mlines, mcols)
+ self.panel.top()
+ self.panel.hide()
+
+ self.win.addstr(
+ 1,
+ 2,
+ "QUIT LIGHTCARDS?",
+ curses.color_pair(1) + curses.A_BOLD,
+ )
+ self.win.hline(2, 1, curses.ACS_HLINE, mcols)
+ self.win.addstr(3, 1, "Quit? [y/n]")
+
+ self.win.box()
+
+ def disp(self):
+ """Display quit confirmation screen"""
+ (mlines, mcols) = self.outer.win.getmaxyx()
+ self.win.mvwin(int(mlines / 2) - 3, int(mcols / 2) - 10)
+ self.panel.show()
+ if self.outer.config["confirm_quit"]:
+ while True:
+ key = self.win.getkey()
+ if key == "y":
+ break
+ elif key == "n":
+ self.panel.hide()
+ self.outer.get_key()
+
+
+class Help:
+ def __init__(self, outer, mlines=21, mcols=52):
+ """Initialize help screen"""
+ self.outer = outer
+ (self.win, self.panel) = panel_create(mlines, mcols)
+ self.panel.top()
+ self.panel.hide()
+
+ text = [
+ "Welcome to Lightcards. Here are the default",
+ "keybindings to get you started:",
+ "",
+ "h, left previous card",
+ "l, right next card",
+ "j, k, up, down flip card",
+ "i, / star card",
+ "0, ^, home go to the start of the deck",
+ "$, end go to the end of the deck",
+ "H, ? open this screen",
+ "m open the control menu",
+ "1, 2, 3 switch views",
+ "q quit",
+ "",
+ "More information can be found in the man page, or",
+ "by running `lightcards --help`.",
+ "",
+ "Press [H], or [?] to go back.",
+ ]
+
+ self.win.addstr(
+ 1,
+ int(mcols / 2) - 8,
+ "LIGHTCARDS HELP",
+ curses.color_pair(1) + curses.A_BOLD,
+ )
+ self.win.hline(2, 1, curses.ACS_HLINE, mcols)