X-Git-Url: https://git.armaanb.net/?p=lightcards.git;a=blobdiff_plain;f=lightcards%2Fdisplay.py;h=a130728e703776f8ee1d5b62ccad9454886da353;hp=86740d6421b43f0ef6f2b5a9426216687305fc2b;hb=c45e4eb98665368e2ab9ee183b565f27ad35b8c7;hpb=da5f204dfb0e33a99bba1fa00842b253bf9947e0 diff --git a/lightcards/display.py b/lightcards/display.py old mode 100755 new mode 100644 index 86740d6..a130728 --- a/lightcards/display.py +++ b/lightcards/display.py @@ -2,60 +2,415 @@ # Armaan Bhojwani 2021 import curses -import os +import curses.panel +from random import shuffle +import sys +import textwrap -from .deck import Status +from . import runner, progress -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()])) +class Display: + def __init__(self, stack, headers, obj): + self.stack = stack + self.headers = headers + self.obj = obj - (mlines, mcols) = stdscr.getmaxyx() - mlines -= 1 - mcols -= 5 + 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) - try: - stdscr.insch(mlines, mcols, str(obj.getIdx() + 1)) - stdscr.insch(mlines, mcols+1, '-') - if obj.getSide() == 0: - stdscr.insch(mlines, mcols+2, '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): + """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 ntotal(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, mcols) = self.win.getmaxyx() + + # Calculate percent done + if len(self.stack) <= 1: + percent = "100" else: - stdscr.insch(mlines, mcols+2, '2') - stdscr.insch(mlines, mcols+3, '/') - stdscr.insch(mlines, mcols+4, str(len(stack))) - stdscr.insstr(mlines, 1, stack[obj.getIdx()].getStar()) - 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) + percent = str( + round(self.obj.getIdx() / len(self.stack) * 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.ntotal())}/{str(len(self.stack))} starred] " + + f"[{percent}% (" + + str(self.obj.getIdx() + 1).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 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.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 in ["r", "q", "m"]: + self.menu_panel.hide() + self.panel_up() + if key in ["q", "m"]: + if len(self.stack) == self.obj.getIdx() + 1: + self.leave() + elif len(self.stack) < self.obj.getIdx() + 1: + self.obj.setIdx(0) + self.get_key() + elif key == "y": + 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!") + elif key == "d": + [x.star() for x in self.stack] + self.menu_print("All starred!") + elif key == "t": + self.stack.reverse() + 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.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.stack: + if x.getStar(): + cont = True + break + + if cont: + self.stack = [x for x in self.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.obj.setIdx(len(self.stack) - 1) + self.get_key() + elif key == "r": + self.obj.setIdx(0) + self.get_key() + + def menu_init(self, quit=True): + """Initialize the menu with content""" + (self.menu_win, self.menu_panel) = self.panel_create(17, 44) + self.menu_panel.top() + self.menu_panel.hide() + # TODO: fix this + quit_text = "[q]: back" + if quit: + quit_text = "[q]: quit" + + 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", + ] + + for t in enumerate(text): + self.menu_win.addstr(t[0] + 3, 1, t[1]) + self.menu_win.addstr(len(text) + 4, 1, "[r]: restart") + self.menu_win.addstr(len(text) + 5, 1, quit_text) + + self.menu_win.box() + self.panel_up() + + def disp_menu(self, keygrab=True): + """ + Display a menu offering multiple options on how to manipulate the deck + and to continue + """ + (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 - 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.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 $EDITOR", + "m open the control menu", + "", + "More information can be found in the man page, or", + "by running `lightcards --help`.", + "", + "Press [q], [H], or [?] to go back.", + ] + + for t in enumerate(text): + self.help_win.addstr(t[0] + 3, 1, t[1]) + + self.help_win.box() + + def disp_help(self): + """Display help screen""" + (mlines, mcols) = self.win.getmaxyx() + self.help_win.mvwin(int(mlines / 2) - 10, int(mcols / 2) - 26) + self.panel_up() + self.help_panel.show() + while True: + key = self.help_win.getkey() + if key in ["q", "H", "?"]: + self.help_panel.hide() + self.get_key() + + def current_card(self): + """Get current card object""" + return self.stack[self.obj.getIdx()] + + def get_key(self): + """ + Display a card and wait for the input. + Used as a general way of getting back into the card flow from a menu + """ + self.disp_card() + while True: + key = self.win.getkey() + if key == "q": + self.leave() + elif key in ["h", "KEY_LEFT"]: + self.obj.back() + self.current_card().setSide(0) + self.disp_card() + elif key in ["l", "KEY_RIGHT"]: + if self.obj.getIdx() + 1 == len(self.stack): + self.disp_menu() + else: + self.obj.forward(self.stack) + self.current_card().setSide(0) + self.disp_card() elif key in ["j", "k", "KEY_UP", "KEY_DOWN"]: - idx.flip() - disp_card(stdscr, stack, headers, idx) + self.current_card().flip() + self.disp_card() elif key in ["i", "/"]: - stack[idx.getIdx()].toggleStar() - disp_card(stdscr, stack, headers, idx) - except Exception: - pass + self.current_card().toggleStar() + self.disp_card() + elif key in ["0", "^", "KEY_HOME"]: + self.obj.setIdx(0) + self.current_card().setSide(0) + self.disp_card() + elif key in ["$", "KEY_END"]: + self.obj.setIdx(len(self.stack) - 1) + self.current_card().setSide(0) + self.disp_card() + elif key in ["H", "?"]: + self.disp_help() + elif key == "m": + self.disp_menu() + 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) + + i = 0 + # TODO: Fix this, some off by one error + newntotal = self.ntotal() + if mlines - 5 < len(self.ntotal()): + newntotal = self.ntotal()[: mlines - 4] + elif mlines - 5 == len(self.ntotal()): + newntotal = self.ntotal()[: mlines - 3] + + for _ in newntotal: + for i, card in enumerate(newntotal): + term = card.getFront() + if len(term) > 18: + term = term + "…" + self.win.addstr(2 + i, left, term) + if not newntotal == self.ntotal(): + self.win.addstr( + mlines - 3, + left, + f"({len(self.ntotal()) - len(newntotal)} more)", + ) + break + + if len(self.ntotal()) == 0: + self.win.addstr(2, left, "None starred")