]> git.armaanb.net Git - lightcards.git/blobdiff - lightcards/display.py
Fix pickle implementation
[lightcards.git] / lightcards / display.py
old mode 100755 (executable)
new mode 100644 (file)
index 4599491..a130728
@@ -2,27 +2,59 @@
 # Armaan Bhojwani 2021
 
 import curses
+import curses.panel
 from random import shuffle
 import sys
 import textwrap
 
-from . import lightcards
+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)
+
+        (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
@@ -34,75 +66,90 @@ class Display():
         if len(self.stack) <= 1:
             percent = "100"
         else:
-            percent = str(round(self.obj.getIdx() /
-                                len(self.stack) * 100)).zfill(3)
+            percent = str(
+                round(self.obj.getIdx() / len(self.stack) * 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.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(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:
-            self.win.addstr(string + "\n\n", curses.color_pair(2))
+            color = curses.color_pair(2)
         else:
-            self.win.addstr(string + "\n\n", curses.color_pair(1))
-            self.disp_menu()
+            color = curses.color_pair(1)
 
-    def disp_menu(self):
-        """
-        Display a menu once the end of the deck has been reached, offering
-        multiple options on how to continue.
-        """
+        for i in range(42):
+            self.menu_win.addch(15, i + 1, " ")
 
-        self.win.addstr("Choose one of the following options:\n\n" +
-                        "[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" +
-                        "[s]: update stack to include starred only\n\n" +
-                        "[r]: restart\n" +
-                        "[q]: quit")
-        self.obj.setIdx(0)
+        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":
-                sys.exit(0)
+            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 = 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!")
+            elif key == "d":
+                [x.star() for x in self.stack]
+                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("self.stack shuffled!")
+                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
@@ -118,117 +165,252 @@ class Display():
                     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 wrap_width(self):
+    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()
-        wrap_width = mcols
-        if mcols > 80:
+        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
+        Display the contents of the card.
         Shows a header, a horizontal line, and the contents of the current
         side.
         """
-        self.win.clear()
         (mlines, mcols) = self.win.getmaxyx()
-        if self.obj.getIdx() == len(self.stack):
-            self.disp_menu()
+        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 [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"""
-        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\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()
+            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":
-                sys.exit(0)
-            elif key in ["l", "KEY_RIGHT"]:
-                self.obj.forward(self.stack)
-                self.obj.setSide(0)
-                self.disp_card()
+                self.leave()
             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.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)
+
+        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")