X-Git-Url: https://git.armaanb.net/?a=blobdiff_plain;f=lightcards%2Fdisplay.py;h=d0c42fa6d04f45fc0503e9245af93c5e73cb722e;hb=468d491893758e3b9ac532757ea98791303f4a6d;hp=349d77abbb9417c9b363ea6943c59cf2166ae78e;hpb=455b1e06dd8b738a63eedaef100b1a6de95b542e;p=lightcards.git diff --git a/lightcards/display.py b/lightcards/display.py old mode 100755 new mode 100644 index 349d77a..d0c42fa --- a/lightcards/display.py +++ b/lightcards/display.py @@ -2,61 +2,421 @@ # Armaan Bhojwani 2021 import curses -import os - -from .deck import Status - - -def disp_card(stdscr, stack, headers, obj): - stdscr.clear() - side_title = headers[obj.getSide()] - stdscr.addstr(side_title + "\n") - for i in range(len(side_title)): - stdscr.addstr("=") - stdscr.addstr("\n" + str(stack[obj.getIdx()][obj.getSide()])) - - (mlines, mcols) = stdscr.getmaxyx() - try: - stdscr.insstr(mlines - 1, 1, - "[" + - stack[obj.getIdx()].getStar() + - "] [" + - str(round(obj.getIdx() / (len(stack) - 1) * 100)).zfill(3) + - "% (" + - str(obj.getIdx() + 1) + - "/" + - str(len(stack)) + - ")]" + - " [" + - headers[obj.getSide()] + - "]") - except Exception: - pass - - -def get_key(stdscr, stack, headers): - idx = Status() - curses.curs_set(0) - disp_card(stdscr, stack, headers, idx) - - while True: - key = stdscr.getkey() - try: - if key == "q" or key == os.linesep: - exit(0) - elif key in ["l", "KEY_LEFT"]: - idx.forward(stack) - idx.setSide(0) - disp_card(stdscr, stack, headers, idx) - elif key in ["h", "KEY_RIGHT"]: - idx.back() - idx.setSide(0) - disp_card(stdscr, stack, headers, idx) +import curses.panel +from random import shuffle +import sys +import textwrap + +from . import runner, progress + + +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 Help: + def __init__(self, outer): + """Initialize help screen""" + self.outer = outer + (self.win, self.panel) = panel_create(20, 52) + self.panel.top() + self.panel.hide() + self.win.clear() + + 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.", + ] + + self.win.addstr( + 1, 1, "LIGHTCARDS HELP", curses.color_pair(1) + curses.A_BOLD + ) + self.win.hline(2, 1, curses.ACS_HLINE, 15) + + for t in enumerate(text): + self.win.addstr(t[0] + 3, 1, t[1]) + + self.win.box() + + def disp(self): + """Display help screen""" + (mlines, mcols) = self.outer.win.getmaxyx() + self.win.mvwin(int(mlines / 2) - 10, int(mcols / 2) - 26) + self.outer.update_panels() + self.panel.show() + + while True: + key = self.win.getkey() + if key == "q": + self.outer.leave() + elif key in ["H", "?"]: + self.panel.hide() + self.outer.get_key() + + +class Menu: + def __init__(self, outer): + """Initialize the menu with content""" + self.outer = outer + (self.win, self.panel) = panel_create(17, 44) + self.panel.top() + self.panel.hide() + + self.win.addstr( + 1, 1, "LIGHTCARDS MENU", curses.color_pair(1) + curses.A_BOLD + ) + self.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.win.addstr(t[0] + 3, 1, t[1]) + + self.win.box() + self.outer.update_panels() + + def menu_print(self, string, err=False): + """Print messages on the menu screen""" + if err: + color = curses.color_pair(2) + else: + color = curses.color_pair(1) + + for i in range(42): + self.win.addch(15, i + 1, " ") + + self.win.addstr(15, 1, string, color) + self.outer.update_panels() + self.menu_grab() + + def menu_grab(self): + """Grab keypresses on the menu screen""" + while True: + key = self.win.getkey() + if key in ["r", "m"]: + self.panel.hide() + self.outer.update_panels() + self.outer.get_key() + elif key == "q": + self.outer.leave() + elif key == "y": + self.outer.stack = runner.get_orig()[1] + self.menu_print("Stack reset!") + elif key == "a": + self.outer.stack.sort() + self.menu_print("Stack alphabetized!") + elif key == "u": + [x.unStar() for x in self.outer.stack] + self.menu_print("All unstarred!") + elif key == "d": + [x.star() for x in self.outer.stack] + self.menu_print("All starred!") + elif key == "t": + self.outer.stack.reverse() + self.menu_print("Stack reversed!") + elif key == "z": + shuffle(self.outer.stack) + self.menu_print("Stack shuffled!") + elif key == "f": + for x in self.outer.stack: + x.front, x.back = x.back, x.front + (self.outer.headers[0], self.outer.headers[1]) = ( + self.outer.headers[1], + self.outer.headers[0], + ) + self.menu_print("Cards flipped!") + elif key == "s": + # Check if there are any starred cards before proceeding, and + # if not, don't allow to proceed and show an error message + cont = False + for x in self.outer.stack: + if x.getStar(): + cont = True + break + + if cont: + self.outer.stack = [ + x for x in self.outer.stack if x.getStar() + ] + self.menu_print("Stars only!") + else: + self.menu_print("ERR: None are starred!", err=True) + elif key in ["h", "KEY_LEFT"]: + self.outer.obj.setIdx(len(self.outer.stack) - 1) + self.outer.get_key() + elif key == "r": + self.outer.obj.setIdx(0) + self.outer.get_key() + + def disp(self): + """ + Display a menu offering multiple options on how to manipulate the deck + and to continue + """ + (mlines, mcols) = self.outer.win.getmaxyx() + self.win.mvwin(int(mlines / 2) - 9, int(mcols / 2) - 22) + self.panel.show() + self.outer.update_panels() + + self.menu_grab() + + +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.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) = panel_create(mlines, mcols) + self.menu_obj = Menu(self) + self.help_obj = Help(self) + + self.get_key() + + def update_panels(self): + """Update panel and window contents""" + curses.panel.update_panels() + self.win.refresh() + + def leave(self): + """Pickle stack before quitting""" + if self.obj.getIdx() + 1 == len(self.stack): + self.obj.setIdx(0) + + 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() + + # Calculate percent done + if len(self.stack) <= 1: + percent = "100" + else: + percent = str( + round(self.obj.getIdx() / (len(self.stack) - 1) * 100) + ).zfill(2) + + # Print yellow if starred + 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.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(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 wrap_width(self): + """Calculate the width at which the body text should wrap""" + (_, mcols) = self.win.getmaxyx() + wrap_width = mcols - 20 + if wrap_width > 80: + wrap_width = 80 + return wrap_width + + def disp_card(self): + """ + Display the contents of the card. + Shows a header, a horizontal line, and the contents of the current + side. + """ + (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: + 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.update_panels() + self.disp_bar() + self.disp_sidebar() + self.win.hline(mlines - 2, 0, 0, mcols) + + 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 ["h", "KEY_LEFT"]: + self.obj.back() + self.current_card().setSide(0) + self.disp_card() + elif key in ["l", "KEY_RIGHT"]: + if self.obj.getIdx() + 1 == len(self.stack): + self.menu_obj.disp() + else: + self.obj.forward(self.stack) + self.current_card().setSide(0) + self.disp_card() elif key in ["j", "k", "KEY_UP", "KEY_DOWN"]: - idx.flip() - disp_card(stdscr, stack, headers, idx) + self.current_card().flip() + self.disp_card() elif key in ["i", "/"]: - stack[idx.getIdx()].toggleStar() - disp_card(stdscr, stack, headers, idx) - except Exception: - pass + self.current_card().toggleStar() + self.disp_card() + elif key in ["0", "^", "KEY_HOME"]: + self.obj.setIdx(0) + self.current_card().setSide(0) + self.disp_card() + elif key in ["$", "KEY_END"]: + self.obj.setIdx(len(self.stack) - 1) + self.current_card().setSide(0) + self.disp_card() + elif key in ["H", "?"]: + self.help_obj.disp() + elif key == "m": + self.menu_obj.disp() + elif key == "e": + (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")