]> git.armaanb.net Git - lightcards.git/blobdiff - lightcards/display.py
Add menu keybindings to config
[lightcards.git] / lightcards / display.py
index 98c48e7ecba678194d667e6916962e089fd49201..8f739e64865629d28cdf28baac35944b134a2409 100644 (file)
@@ -3,12 +3,13 @@
 
 import curses
 import curses.panel
+import os
 from random import shuffle
 import sys
 import textwrap
 import time
 
-from . import runner, progress
+from . import runner, progress, parse
 
 
 def panel_create(x, y):
@@ -19,32 +20,84 @@ def panel_create(x, y):
     return (win, panel)
 
 
-class Help:
-    def __init__(self, outer, mlines=20, mcols=52):
-        """Initialize help screen"""
+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 Panel:
+    def __init__(self, outer, mlines, mcols):
         self.outer = outer
         (self.win, self.panel) = panel_create(mlines, mcols)
         self.panel.top()
         self.panel.hide()
 
+    def config_get(self, setting, cut=28):
+        return str(list(self.outer.config[setting][:cut])).replace("'", "")
+
+
+class Help(Panel):
+    def __init__(self, outer, mlines=23, mcols=52):
+        """Initialize help screen"""
+        super().__init__(outer, mlines, mcols)
+        c = self.config_get
+
         text = [
-            "Welcome to runner. Here are some keybindings",
+            "Welcome to Lightcards. 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",
+            f"{c('card_prev')}: previous card",
+            f"{c('card_next')}: next card",
+            f"{c('card_flip')}: flip card",
+            f"{c('card_star')}: star card",
+            f"{c('card_first')}: go to first card",
+            f"{c('card_last')}: go to last card",
+            f"{c('help_disp')}: open this help menu",
+            f"{c('menu_disp')}: open the control menu",
+            f"{c('view_one')}: switch to view one",
+            f"{c('view_two')}: switch to view two",
+            f"{c('view_three')}: switch to view three",
+            f"{c('quit_key')}: quit",
             "",
             "More information can be found in the man page, or",
             "by running `lightcards --help`.",
             "",
-            "Press [H], or [?] to go back.",
+            f"Press {c('help_disp')} to go back.",
         ]
 
         self.win.addstr(
@@ -63,25 +116,23 @@ class Help:
     def disp(self):
         """Display help screen"""
         (mlines, mcols) = self.outer.win.getmaxyx()
-        self.win.mvwin(int(mlines / 2) - 10, int(mcols / 2) - 26)
+        self.win.mvwin(int(mlines / 2) - 12, int(mcols / 2) - 25)
         self.panel.show()
 
         while True:
             key = self.win.getkey()
-            if key == "q":
+            if key in self.outer.config["quit_key"]:
                 self.outer.leave()
-            elif key in ["H", "?"]:
+            elif key in self.outer.config["help_disp"]:
                 self.panel.hide()
                 self.outer.get_key()
 
 
-class Menu:
+class Menu(Panel):
     def __init__(self, outer, mlines=17, mcols=44):
         """Initialize the menu with content"""
-        self.outer = outer
-        (self.win, self.panel) = panel_create(mlines, mcols)
-        self.panel.top()
-        self.panel.hide()
+        super().__init__(outer, mlines, mcols)
+        c = self.config_get
 
         self.win.addstr(
             1,
@@ -90,18 +141,19 @@ class Menu:
             curses.color_pair(1) + curses.A_BOLD,
         )
         self.win.hline(2, 1, curses.ACS_HLINE, mcols)
+        env = os.environ.get("EDITOR", "$EDITOR")[: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",
+            f"{c('menu_reset')}: reset stack to original state",
+            f"{c('menu_alphabetize')}: alphabetize stack",
+            f"{c('menu_shuffle')}: shuffle stack",
+            f"{c('menu_reverse')}: reverse stack order",
+            f"{c('menu_unstar')}: unstar all",
+            f"{c('menu_star')}: star all",
+            f"{c('menu_stars_only')}: update stack to include starred only",
+            f"{c('menu_open_file')}: open the input file in {env}",
             "",
-            "[r]: restart",
-            "[m]: close menu",
+            f"{c('menu_restart')}: restart",
+            f"{c('menu_disp')}: close menu",
         ]
 
         for t in enumerate(text):
@@ -109,6 +161,10 @@ class Menu:
 
         self.win.box()
 
+    def clear_msg(self):
+        for i in range(42):
+            self.win.addch(15, i + 1, " ")
+
     def menu_print(self, string, err=False):
         """Print messages on the menu screen"""
         if err:
@@ -116,9 +172,6 @@ class Menu:
         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.menu_grab()
 
@@ -126,38 +179,42 @@ class Menu:
         """Grab keypresses on the menu screen"""
         while True:
             key = self.win.getkey()
-            if key in ["r", "m"]:
+            if (
+                key
+                in self.outer.config["menu_disp"]
+                + self.outer.config["menu_restart"]
+            ):
                 self.panel.hide()
                 self.outer.get_key()
-            elif key == "q":
+            elif key in self.outer.config["quit_key"]:
                 self.outer.leave()
-            elif key == "y":
+            elif key in self.outer.config["menu_reset"]:
                 self.outer.stack = runner.get_orig()[1]
                 self.menu_print("Stack reset!")
-            elif key == "a":
+            elif key in self.outer.config["menu_alphabetize"]:
                 self.outer.stack.sort(key=lambda x: x.front)
                 self.menu_print("Stack alphabetized!")
-            elif key == "u":
+            elif key in self.outer.config["menu_unstar"]:
                 [x.unStar() for x in self.outer.stack]
                 self.menu_print("All unstarred!")
-            elif key == "d":
+            elif key in self.outer.config["menu_star"]:
                 [x.star() for x in self.outer.stack]
                 self.menu_print("All starred!")
-            elif key == "t":
+            elif key in self.outer.config["menu_reverse"]:
                 self.outer.stack.reverse()
                 self.menu_print("Stack reversed!")
-            elif key == "z":
+            elif key in self.outer.config["menu_shuffle"]:
                 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],
+            elif key in self.outer.config["menu_open_file"]:
+                progress.dump(self.outer.stack, runner.get_orig()[1])
+                curses.endwin()
+                os.system(f"$EDITOR {self.outer.input_file}"),
+                (self.outer.headers, self.outer.stack) = parse.parse_html(
+                    parse.md2html(self.outer.input_file)
                 )
-                self.menu_print("Cards flipped!")
-            elif key == "s":
+                self.outer.get_key()
+            elif key in self.outer.config["menu_stars_only"]:
                 # Check if there are any starred cards before proceeding, and
                 # if not, don't allow to proceed and show an error message
                 cont = False
@@ -173,7 +230,7 @@ class Menu:
                     self.menu_print("Stars only!")
                 else:
                     self.menu_print("ERR: None are starred!", err=True)
-            elif key == "r":
+            elif key in self.outer.config["menu_restart"]:
                 self.outer.obj.index = 0
                 self.outer.get_key()
 
@@ -182,31 +239,37 @@ class Menu:
         Display a menu offering multiple options on how to manipulate the deck
         and to continue
         """
+        self.clear_msg()
+
         (mlines, mcols) = self.outer.win.getmaxyx()
-        self.win.mvwin(int(mlines / 2) - 9, int(mcols / 2) - 22)
+        self.win.mvwin(int(mlines / 2) - 8, int(mcols / 2) - 22)
         self.panel.show()
 
         self.menu_grab()
 
 
 class Display:
-    def __init__(self, stack, headers, obj):
+    def __init__(self, stack, headers, obj, view, args, conf):
         self.stack = stack
         self.headers = headers
         self.obj = obj
+        self.view = view
+        self.input_file = args.inp[0]
+        self.config = conf
 
     def run(self, stdscr):
         """Set important options that require stdscr before starting"""
         self.win = stdscr
         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)
+        curses.init_pair(1, self.config["highlight_color"], -1)
+        curses.init_pair(2, self.config["error_color"], -1)
+        curses.init_pair(3, self.config["starred_color"], -1)
 
         self.main_panel = curses.panel.new_panel(self.win)
         self.menu_obj = Menu(self)
         self.help_obj = Help(self)
+        self.quit_obj = Quit(self)
 
         self.get_key()
 
@@ -229,7 +292,8 @@ class Display:
             self.disp_card()
 
     def leave(self):
-        """Pickle stack before quitting"""
+        """Pickle stack and confirm before quitting"""
+        self.quit_obj.disp()
         if self.obj.index + 1 == len(self.stack):
             self.obj.index = 0
 
@@ -246,7 +310,7 @@ class Display:
         status, and card side.
         """
         (mlines, mcols) = self.win.getmaxyx()
-        self.win.hline(mlines - 2, 0, 0, mcols)
+        self.win.hline(mlines - 3, 0, 0, mcols)
 
         # Calculate percent done
         if len(self.stack) <= 1:
@@ -262,28 +326,56 @@ class Display:
         else:
             star_color = curses.color_pair(1)
 
-        # Create bar component
+        # Compose bar text
         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.index).zfill(len(str(len(self.stack))))}"
-            f"/{str(len(self.stack))})] ["
-            f"{self.headers[self.current_card().side]} ("
-            f"{str(int(self.current_card().side) + 1)})]"
-        )
+        bar_end = f"] [{len(self.nstarred())}/{str(len(self.stack))} starred] "
+        if self.view != 3:
+            bar_end += (
+                f" [{self.get_side()} ("
+                f"{str(int(self.current_card().side) + 1)})]"
+            )
+        bar_end += f" [View {str(self.view)}]"
 
         # 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)
+        height = mlines - 2
+        self.win.addstr(height, 0, bar_start, curses.color_pair(1))
+        self.win.addstr(height, len(bar_start), bar_middle, star_color)
         self.win.addstr(
-            mlines - 1,
+            height,
             len(bar_start + bar_middle),
             textwrap.shorten(bar_end, width=mcols - 20, placeholder="…"),
             curses.color_pair(1),
         )
 
+        progress = (
+            f"[{percent}% ("
+            f"{str(self.obj.index + 1).zfill(len(str(len(self.stack))))}"
+            f"/{str(len(self.stack))})] "
+        )
+
+        self.win.addstr(
+            height + 1,
+            0,
+            progress,
+            curses.color_pair(1),
+        )
+
+        for i in range(
+            int(
+                self.obj.index
+                / (len(self.stack) - 1)
+                * (mcols - len(progress))
+                - 1
+            )
+        ):
+            self.win.addch(
+                height + 1,
+                i + len(progress),
+                self.config["progress_char"],
+                curses.color_pair(1),
+            )
+
     def wrap_width(self):
         """Calculate the width at which the body text should wrap"""
         (_, mcols) = self.win.getmaxyx()
@@ -292,55 +384,95 @@ class Display:
             wrap_width = 80
         return wrap_width
 
+    def get_side(self):
+        if self.obj.side == 0:
+            return self.headers[self.current_card().side]
+        else:
+            return self.headers[self.current_card().get_reverse()]
+
     def disp_card(self):
-        """
-        Display the contents of the card.
-        Shows a header, a horizontal line, and the contents of the current
-        side.
-        """
         (_, mcols) = self.win.getmaxyx()
         self.main_panel.bottom()
         self.win.clear()
-
-        # If on the back of the card, show the content of the front side in
-        # the header
         num_done = str(self.obj.index + 1).zfill(len(str(len(self.stack))))
-        if self.current_card().side == 0:
-            top = num_done + " | " + self.headers[self.current_card().side]
-        else:
-            top = (
-                num_done
-                + " | "
-                + self.headers[self.current_card().side]
-                + ' | "'
-                + str(self.current_card().front)
-                + '"'
+
+        if self.view in [1, 2, 4]:
+            """
+            Display the contents of the card.
+            Shows a header, a horizontal line, and the contents of the current
+            side.
+            """
+            # If on the back of the card, show the content of the front side in
+            # the header
+            if self.view == 1:
+                self.obj.side = 0
+            elif self.view == 2:
+                self.obj.side = 1
+
+            if self.current_card().side == 0:
+                top = num_done + " | " + self.get_side()
+            else:
+                top = (
+                    num_done
+                    + " | "
+                    + self.get_side()
+                    + ' | "'
+                    + str(self.current_card().get()[self.obj.get_reverse()])
+                    + '"'
+                )
+
+            self.win.addstr(
+                0,
+                0,
+                textwrap.shorten(top, width=mcols - 20, placeholder="…"),
+                curses.A_BOLD,
             )
 
-        header_width = mcols
-        if mcols > 80:
-            header_width = 80
+            # Show current side
+            self.win.addstr(
+                2,
+                0,
+                textwrap.fill(
+                    self.current_card().get()[self.obj.side],
+                    width=self.wrap_width(),
+                ),
+            )
 
-        self.win.addstr(
-            0,
-            0,
-            textwrap.shorten(top, width=header_width, placeholder="…"),
-            curses.A_BOLD,
-        )
+        elif self.view == 3:
+            """
+            Display the contents of the card with both the front and back sides.
+            """
+            (_, mcols) = self.win.getmaxyx()
+            self.main_panel.bottom()
+            self.win.clear()
 
-        # Add horizontal line
-        self.win.hline(1, 0, curses.ACS_HLINE, mcols)
+            self.win.addstr(
+                0,
+                0,
+                textwrap.shorten(
+                    num_done,
+                    width=mcols - 20,
+                    placeholder="…",
+                ),
+                curses.A_BOLD,
+            )
 
-        # Show current side
-        self.win.addstr(
-            2,
-            0,
-            textwrap.fill(
-                self.current_card().get(),
-                width=self.wrap_width(),
-            ),
-        )
+            # Show card content
+            self.win.addstr(
+                2,
+                0,
+                textwrap.fill(
+                    self.headers[0] + ": " + self.current_card().front,
+                    width=self.wrap_width(),
+                )
+                + "\n\n"
+                + textwrap.fill(
+                    self.headers[1] + ": " + self.current_card().back,
+                    width=self.wrap_width(),
+                ),
+            )
 
+        self.win.hline(1, 0, curses.ACS_HLINE, mcols)
         self.disp_bar()
         self.disp_sidebar()
 
@@ -356,40 +488,44 @@ class Display:
         while True:
             self.check_size()
             key = self.win.getkey()
-            if key == "q":
+            if key in self.config["quit_key"]:
                 self.leave()
-            elif key in ["h", "KEY_LEFT"]:
+            elif key in self.config["card_prev"]:
                 self.obj.back()
                 self.current_card().side = 0
                 self.disp_card()
-            elif key in ["l", "KEY_RIGHT"]:
+            elif key in self.config["card_next"]:
                 if self.obj.index + 1 == len(self.stack):
-                    self.menu_obj.disp()
+                    if self.config["show_menu_at_end"]:
+                        self.menu_obj.disp()
                 else:
                     self.obj.forward(self.stack)
                     self.current_card().side = 0
                     self.disp_card()
-            elif key in ["j", "k", "KEY_UP", "KEY_DOWN"]:
+            elif key in self.config["card_flip"] and self.view != 3:
                 self.current_card().flip()
                 self.disp_card()
-            elif key in ["i", "/"]:
+            elif key in self.config["card_star"]:
                 self.current_card().toggleStar()
                 self.disp_card()
-            elif key in ["0", "^", "KEY_HOME"]:
+            elif key in self.config["card_first"]:
                 self.obj.index = 0
                 self.current_card().side = 0
                 self.disp_card()
-            elif key in ["$", "KEY_END"]:
+            elif key in self.config["card_last"]:
                 self.obj.index = len(self.stack) - 1
                 self.current_card().side = 0
                 self.disp_card()
-            elif key in ["H", "?"]:
+            elif key in self.config["help_disp"]:
                 self.help_obj.disp()
-            elif key == "m":
+            elif key in self.config["menu_disp"]:
                 self.menu_obj.disp()
-            elif key == "e":
-                (self.headers, self.stack) = runner.reparse()
-                self.get_key()
+            elif key in self.config["view_one"]:
+                self.view = 1
+            elif key in self.config["view_two"]:
+                self.view = 2
+            elif key in self.config["view_three"]:
+                self.view = 3
 
     def disp_sidebar(self):
         """Display a sidebar with the starred terms"""
@@ -402,27 +538,25 @@ class Display:
             "STARRED CARDS",
             curses.color_pair(3) + curses.A_BOLD,
         )
-        self.win.vline(0, mcols - 20, 0, mlines - 2)
+        self.win.vline(0, mcols - 20, 0, mlines - 3)
 
         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.front
-                if len(term) > 18:
-                    term = term + "…"
-                self.win.addstr(2 + i, left, term)
-            if not nstarred == self.nstarred():
+        for i, card in enumerate(nstarred):
+            term = card.get()[self.obj.side]
+            if len(term) > 18:
+                term = term[:18] + "…"
+
+            if i > mlines - 6:
+                for i in range(19):
+                    self.win.addch(mlines - 3, left + i, " ")
+
                 self.win.addstr(
-                    mlines - 3,
+                    mlines - 4,
                     left,
-                    f"({len(self.nstarred()) - len(nstarred)} more)",
+                    f"({len(nstarred) - i - 2} more)",
                 )
-                break
+            else:
+                self.win.addstr(2 + i, left, term)
 
         if len(self.nstarred()) == 0:
             self.win.addstr(2, left, "None starred")