# Armaan Bhojwani 2021
import curses
+import curses.panel
from random import shuffle
import sys
import textwrap
-from . import lightcards, progress
+from . import runner, progress
-class Display():
+class Display:
def __init__(self, stack, headers, obj):
self.stack = stack
self.headers = headers
self.obj = obj
def run(self, stdscr):
+ """Set important options that require stdscr before starting"""
self.win = stdscr
+ (mlines, mcols) = self.win.getmaxyx()
curses.curs_set(0) # Hide cursor
- curses.init_pair(1, curses.COLOR_CYAN, 0)
- curses.init_pair(2, curses.COLOR_RED, 0)
- curses.init_pair(3, curses.COLOR_YELLOW, 0)
+ curses.use_default_colors() # Allow transparency
+ curses.init_pair(1, curses.COLOR_CYAN, -1)
+ curses.init_pair(2, curses.COLOR_RED, -1)
+ curses.init_pair(3, curses.COLOR_YELLOW, -1)
+
+ (self.main_win, self.main_panel) = self.panel_create(mlines, mcols)
+ self.menu_init()
+ self.help_init()
+
self.get_key()
+ def panel_create(self, 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)
+
+ def panel_up(self):
+ """Update panel and window contents"""
+ curses.panel.update_panels()
+ self.win.refresh()
+
def leave(self):
- if self.obj.getIdx() == len(self.stack):
+ """Pickle stack before quitting"""
+ if self.obj.getIdx() + 1 == len(self.stack):
self.obj.setIdx(0)
- progress.dump((self.obj, self.stack, self.headers), self.stack)
+ progress.dump(self.stack, runner.get_orig()[1])
sys.exit(0)
+ def nstarred(self):
+ """Get total number of starred cards"""
+ return [card for card in self.stack if card.getStar()]
+
def disp_bar(self):
"""
Display the statusbar at the bottom of the screen with progress, star
status, and card side.
"""
- (mlines, _) = self.win.getmaxyx()
+ (mlines, mcols) = self.win.getmaxyx()
# Calculate percent done
if len(self.stack) <= 1:
percent = "100"
else:
- percent = str(round(self.obj.getIdx() /
- len(self.stack) * 100)).zfill(2)
+ percent = str(
+ round(self.obj.getIdx() / (len(self.stack) - 1) * 100)
+ ).zfill(2)
# Print yellow if starred
- if self.stack[self.obj.getIdx()].getStar():
+ if self.current_card().getStar():
star_color = curses.color_pair(3)
else:
star_color = curses.color_pair(1)
# Create bar component
bar_start = "["
- bar_middle = self.stack[self.obj.getIdx()].printStar()
- bar_end = "] [" + percent + "% (" + \
- str(self.obj.getIdx() + 1).zfill(len(str(len(self.stack)))) + \
- "/" + str(len(self.stack)) + ")] [" + \
- self.headers[self.obj.getSide()] + " (" + \
- str(self.obj.getSide() + 1) + ")]"
+ bar_middle = self.current_card().printStar()
+ bar_end = (
+ f"] [{len(self.nstarred())}/{str(len(self.stack))} starred] "
+ f"[{percent}% ("
+ f"{str(self.obj.getIdx()).zfill(len(str(len(self.stack))))}"
+ f"/{str(len(self.stack))})] ["
+ f"{self.headers[self.current_card().getSide()]} ("
+ f"{str(int(self.current_card().getSide()) + 1)})]"
+ )
# Put it all togethor
self.win.addstr(mlines - 1, 0, bar_start, curses.color_pair(1))
- self.win.addstr(bar_middle, star_color)
- self.win.insstr(bar_end, curses.color_pair(1))
+ self.win.addstr(mlines - 1, len(bar_start), bar_middle, star_color)
+ self.win.addstr(
+ mlines - 1,
+ len(bar_start + bar_middle),
+ bar_end,
+ curses.color_pair(1),
+ )
def menu_print(self, string, err=False):
- self.win.clear()
+ """Print messages on the menu screen"""
if err:
color = curses.color_pair(2)
else:
color = curses.color_pair(1)
- self.disp_menu(keygrab=False)
- self.win.addstr("\n\n" + string, color)
+
+ for i in range(42):
+ self.menu_win.addch(15, i + 1, " ")
+
+ self.menu_win.addstr(15, 1, string, color)
+ self.panel_up()
self.menu_grab()
def menu_grab(self):
+ """Grab keypresses on the menu screen"""
while True:
key = self.win.getkey()
- if key == "q":
- if len(self.stack) == self.obj.getIdx():
- self.leave()
- elif len(self.stack) < self.obj.getIdx():
- self.obj.setIdx(0)
+ if key in ["r", "m"]:
+ self.menu_panel.hide()
+ self.panel_up()
self.get_key()
+ elif key == "q":
+ self.leave()
elif key == "y":
- self.stack = lightcards.get_orig()[1]
+ self.stack = runner.get_orig()[1]
self.menu_print("Stack reset!")
+ elif key == "a":
+ self.stack.sort()
+ self.menu_print("Stack alphabetized!")
elif key == "u":
[x.unStar() for x in self.stack]
self.menu_print("All unstarred!")
self.menu_print("All starred!")
elif key == "t":
self.stack.reverse()
- self.menu_print(
- "self.stack reversed!")
+ self.menu_print("Stack reversed!")
elif key == "z":
shuffle(self.stack)
self.menu_print("Stack shuffled!")
elif key == "f":
for x in self.stack:
x[0], x[1] = x[1], x[0]
- (self.headers[0], self.headers[1]) = (self.headers[1],
- self.headers[0])
+ (self.headers[0], self.headers[1]) = (
+ self.headers[1],
+ self.headers[0],
+ )
self.menu_print("Cards flipped!")
elif key == "s":
# Check if there are any starred cards before proceeding, and
self.obj.setIdx(0)
self.get_key()
- def disp_menu(self, keygrab=True, quit=False):
+ def menu_init(self):
+ """Initialize the menu with content"""
+ (self.menu_win, self.menu_panel) = self.panel_create(17, 44)
+ self.menu_panel.top()
+ self.menu_panel.hide()
+
+ self.menu_win.addstr(
+ 1, 1, "LIGHTCARDS MENU", curses.color_pair(1) + curses.A_BOLD
+ )
+ self.menu_win.hline(2, 1, curses.ACS_HLINE, 15)
+ text = [
+ "[y]: reset stack to original state",
+ "[a]: alphabetize stack",
+ "[z]: shuffle stack",
+ "[f]: flip all cards in stack",
+ "[t]: reverse stack order",
+ "[u]: unstar all",
+ "[d]: star all",
+ "[s]: update stack to include starred only",
+ "",
+ "[r]: restart",
+ "[m]: close menu",
+ ]
+
+ for t in enumerate(text):
+ self.menu_win.addstr(t[0] + 3, 1, t[1])
+
+ self.menu_win.box()
+ self.panel_up()
+
+ def disp_menu(self, keygrab=True):
"""
- Display a menu once the end of the deck has been reached, offering
- multiple options on how to continue.
+ Display a menu offering multiple options on how to manipulate the deck
+ and to continue
"""
-
- quit_text = "[q]: back"
- if quit:
- quit_text = "[q]: quit"
-
- self.win.addstr("LIGHTCARDS MENU", curses.color_pair(1) +
- curses.A_BOLD)
- self.win.hline(1, 0, curses.ACS_HLINE, 15)
- self.win.addstr(2, 0, "[y]: reset stack to original state\n" +
- "[z]: shuffle stack\n" +
- "[f]: flip all cards in stack\n" +
- "[t]: reverse stack order\n" +
- "[u]: unstar all\n" +
- "[d]: star all\n" +
- "[s]: update stack to include starred only\n\n" +
- "[r]: restart\n" +
- quit_text)
+ (mlines, mcols) = self.win.getmaxyx()
+ self.menu_win.mvwin(int(mlines / 2) - 9, int(mcols / 2) - 22)
+ self.menu_panel.show()
+ self.panel_up()
if keygrab:
self.menu_grab()
def wrap_width(self):
+ """Calculate the width at which the body text should wrap"""
(_, mcols) = self.win.getmaxyx()
- wrap_width = mcols
- if mcols > 80:
+ wrap_width = mcols - 20
+ if wrap_width > 80:
wrap_width = 80
return wrap_width
def disp_card(self):
"""
- Display the contents of the card
+ Display the contents of the card.
Shows a header, a horizontal line, and the contents of the current
side.
"""
- self.win.clear()
- (_, mcols) = self.win.getmaxyx()
- if self.obj.getIdx() == len(self.stack):
- self.disp_menu(quit=True)
+ (mlines, mcols) = self.win.getmaxyx()
+ self.main_panel.bottom()
+ self.main_win.clear()
+ # If on the back of the card, show the content of the front side in
+ # the header
+ num_done = str(self.obj.getIdx() + 1).zfill(len(str(len(self.stack))))
+ if self.current_card().getSide() == 0:
+ top = (
+ num_done + " | " + self.headers[self.current_card().getSide()]
+ )
else:
- # If on the back of the card, show the content of the front side in
- # the header
- num_done = str(self.obj.getIdx() +
- 1).zfill(len(str(len(self.stack))))
- if self.obj.getSide() == 0:
- top = num_done + " | " + self.headers[self.obj.getSide()]
- else:
- top = num_done + " | " + self.headers[self.obj.getSide()] + \
- " | \"" + str(self.stack[self.obj.getIdx()][0]) + "\""
- header_width = mcols
- if mcols > 80:
- header_width = 80
-
- self.win.addstr(textwrap.shorten(top, width=header_width,
- placeholder="…"), curses.A_BOLD)
-
- # Add horizontal line
- lin_width = header_width
- if len(top) < header_width:
- lin_width = len(top)
- self.win.hline(1, 0, curses.ACS_HLINE, lin_width)
-
- # Show current side
- self.win.addstr(2, 0, textwrap.fill(
- self.stack[self.obj.getIdx()][self.obj.getSide()],
- width=self.wrap_width()))
+ top = (
+ num_done
+ + " | "
+ + self.headers[self.current_card().getSide()]
+ + ' | "'
+ + str(self.current_card().getFront())
+ + '"'
+ )
+ header_width = mcols
+ if mcols > 80:
+ header_width = 80
+
+ self.main_win.addstr(
+ 0,
+ 0,
+ textwrap.shorten(top, width=header_width, placeholder="…"),
+ curses.A_BOLD,
+ )
+
+ # Add horizontal line
+ lin_width = header_width
+ if len(top) < header_width:
+ lin_width = len(top)
+ self.main_win.hline(1, 0, curses.ACS_HLINE, lin_width)
+
+ # Show current side
+ self.main_win.addstr(
+ 2,
+ 0,
+ textwrap.fill(
+ self.current_card().get(),
+ width=self.wrap_width(),
+ ),
+ )
+ self.panel_up()
self.disp_bar()
+ self.disp_sidebar()
+ self.win.hline(mlines - 2, 0, 0, mcols)
+
+ def help_init(self):
+ """Initialize help screen"""
+ (self.help_win, self.help_panel) = self.panel_create(20, 52)
+ self.help_panel.top()
+ self.help_panel.hide()
+ self.help_win.clear()
+ self.help_win.addstr(
+ 1, 1, "LIGHTCARDS HELP", curses.color_pair(1) + curses.A_BOLD
+ )
+ self.help_win.hline(2, 1, curses.ACS_HLINE, 15)
+ text = [
+ "Welcome to runner. Here are some 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",
+ "e open the input file in $EDITOR",
+ "m open the control menu",
+ "",
+ "More information can be found in the man page, or",
+ "by running `lightcards --help`.",
+ "",
+ "Press [H], or [?] to go back.",
+ ]
+
+ for t in enumerate(text):
+ self.help_win.addstr(t[0] + 3, 1, t[1])
+
+ self.help_win.box()
def disp_help(self):
"""Display help screen"""
- self.win.clear()
- self.win.addstr("LIGHTCARDS HELP", curses.color_pair(1) +
- curses.A_BOLD)
- self.win.hline(1, 0, curses.ACS_HLINE, 15)
- self.win.addstr(2, 0, textwrap.fill(
- "Welcome to lightcards. Here are some keybindings to get you " +
- "started:", width=self.wrap_width()) +
- "\n\nh, left previous card\n" +
- "l, right next card\n" +
- "j, k, up, down flip card\n" +
- "i, / star card\n" +
- "0, ^, home go to the start of the deck\n" +
- "$, end go to the end of the deck\n" +
- "H, ? open this screen\n" +
- "e open the input file in $EDITOR\n" +
- "m open the control menu\n\n" +
- textwrap.fill(
- "More information can be found in the man page, " +
- "or by running `lightcards --help`.",
- width=self.wrap_width()) +
- "\n\nPress [q], [H], or [?] to go back.")
+ (mlines, mcols) = self.win.getmaxyx()
+ self.help_win.mvwin(int(mlines / 2) - 10, int(mcols / 2) - 26)
+ self.panel_up()
+ self.help_panel.show()
while True:
- key = self.win.getkey()
- if key in ["q", "H", "?"]:
+ key = self.help_win.getkey()
+ if key == "q":
+ self.leave()
+ elif key in ["H", "?"]:
+ self.help_panel.hide()
self.get_key()
+ def current_card(self):
+ """Get current card object"""
+ return self.stack[self.obj.getIdx()]
+
def get_key(self):
"""
Display a card and wait for the input.
Used as a general way of getting back into the card flow from a menu
"""
-
self.disp_card()
while True:
key = self.win.getkey()
if key == "q":
self.leave()
- elif key in ["l", "KEY_RIGHT"]:
- self.obj.forward(self.stack)
- self.obj.setSide(0)
- self.disp_card()
elif key in ["h", "KEY_LEFT"]:
self.obj.back()
- self.obj.setSide(0)
+ self.current_card().setSide(0)
self.disp_card()
+ elif key in ["l", "KEY_RIGHT"]:
+ if self.obj.getIdx() + 1 == len(self.stack):
+ self.disp_menu()
+ else:
+ self.obj.forward(self.stack)
+ self.current_card().setSide(0)
+ self.disp_card()
elif key in ["j", "k", "KEY_UP", "KEY_DOWN"]:
- self.obj.flip()
+ self.current_card().flip()
self.disp_card()
elif key in ["i", "/"]:
- self.stack[self.obj.getIdx()].toggleStar()
+ self.current_card().toggleStar()
self.disp_card()
elif key in ["0", "^", "KEY_HOME"]:
self.obj.setIdx(0)
- self.obj.setSide(0)
+ self.current_card().setSide(0)
self.disp_card()
elif key in ["$", "KEY_END"]:
self.obj.setIdx(len(self.stack) - 1)
- self.obj.setSide(0)
+ self.current_card().setSide(0)
self.disp_card()
elif key in ["H", "?"]:
self.disp_help()
elif key == "m":
- self.win.clear()
self.disp_menu()
elif key == "e":
- (self.headers, self.stack) = lightcards.reparse()
+ (self.headers, self.stack) = runner.reparse()
self.get_key()
+
+ def disp_sidebar(self):
+ """Display a sidebar with the starred terms"""
+ (mlines, mcols) = self.win.getmaxyx()
+ left = mcols - 19
+
+ self.win.addstr(
+ 0,
+ mcols - 16,
+ "STARRED CARDS",
+ curses.color_pair(3) + curses.A_BOLD,
+ )
+ self.win.vline(0, mcols - 20, 0, mlines - 2)
+ self.win.hline(1, left, 0, mlines)
+
+ nstarred = self.nstarred()
+ if mlines - 5 < len(self.nstarred()):
+ nstarred = self.nstarred()[: mlines - 4]
+ elif mlines - 5 == len(self.nstarred()):
+ nstarred = self.nstarred()[: mlines - 3]
+
+ for _ in nstarred:
+ for i, card in enumerate(nstarred):
+ term = card.getFront()
+ if len(term) > 18:
+ term = term + "…"
+ self.win.addstr(2 + i, left, term)
+ if not nstarred == self.nstarred():
+ self.win.addstr(
+ mlines - 3,
+ left,
+ f"({len(self.nstarred()) - len(nstarred)} more)",
+ )
+ break
+
+ if len(self.nstarred()) == 0:
+ self.win.addstr(2, left, "None starred")