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-rwxr-xr-xncurses.py106
1 files changed, 106 insertions, 0 deletions
diff --git a/ncurses.py b/ncurses.py
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index 0000000..073ad50
--- /dev/null
+++ b/ncurses.py
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+#!/usr/bin/env python3
+import main
+import curses
+from curses import wrapper
+
+def pager(stdscr, lst):
+ '''
+ Runs a pager for each string item in lst
+ '''
+ cols = stdscr.getmaxyx()[1]
+ rows = stdscr.getmaxyx()[0]
+ offset = 0
+ selected = 0
+ while True:
+ stdscr.clear()
+ for i in range(min(rows-1, len(lst))):
+ x = lst[i+offset]
+ if i+offset == selected:
+ stdscr.addstr(i, 0, x[:cols], curses.A_UNDERLINE)
+ else:
+ stdscr.addstr(i, 0, x[:cols])
+ if offset == 0:
+ stdscr.addstr(rows-1, 0, "--top--", curses.A_REVERSE)
+ elif offset + rows <= len(lst):
+ stdscr.addstr(rows-1, 0, "--more--", curses.A_REVERSE)
+ else:
+ stdscr.addstr(rows-1, 0, "--end--", curses.A_REVERSE)
+ k = stdscr.getch()
+ if k == curses.KEY_DOWN or k == ord('j'):
+ selected = min(len(lst), selected+1)
+ if (selected - offset) > (2 * rows / 3):
+ offset = min(len(lst)-rows+1, offset+1)
+ elif k == curses.KEY_UP or k == ord('k'):
+ selected = max(0, selected-1)
+ if (selected - offset) < (rows / 3):
+ offset = max(0, offset-1)
+ elif k == curses.KEY_NPAGE:
+ offset = min(len(lst)-rows+1, offset+rows-2)
+ selected = min(len(lst)-rows+1, selected+rows-2)
+ elif k == curses.KEY_PPAGE:
+ offset = max(0, offset-rows+2)
+ selected = max(0, selected-rows+2)
+ elif k == curses.KEY_HOME:
+ offset = 0
+ selected = 0
+ elif k == curses.KEY_END:
+ offset = len(lst)-rows+1
+ selected = len(lst)-1
+ elif k == curses.KEY_ENTER or k == 10:
+ return {"index": selected, "action": "select"}
+ elif k == ord('q'):
+ return {"index": selected, "action": "quit"}
+ elif k == ord('e'):
+ return {"index": selected, "action": "edit"}
+ elif k == ord('c'):
+ return {"index": selected, "action": "create"}
+ elif k == ord('t'):
+ return {"index": selected, "action": "today"}
+ stdscr.refresh()
+
+def enter_value(stdscr, prefix, row):
+ """
+ Creates a prompt to enter a value on the given row
+ """
+ title = ""
+ stdscr.addstr(row,0, prefix + title)
+ k = stdscr.getch()
+ while k != 10 and k != curses.KEY_ENTER:
+ if k in (curses.KEY_BACKSPACE, '\b', '\x7f'):
+ if len(title) > 0:
+ title = title[:-1]
+ else:
+ title += chr(k)
+ stdscr.deleteln()
+ stdscr.addstr(row,0, prefix + title)
+ k = stdscr.getch()
+ return title
+
+def m(stdscr):
+ """
+ The main method for the ncurses wrapper
+ """
+ items = main.get_tree("")
+ while True:
+ ret = pager(stdscr, [x["path"] + "\t" + x["title"] for x in items])
+ if ret["action"] == "select":
+ selected = items[ret["index"]]
+ ret = pager(stdscr, main.get_single_page(selected["path"])["content"].split("\n"))
+ elif ret["action"] == "edit":
+ selected = items[ret["index"]]
+ main.edit({"path":selected["path"], "save": True})
+ elif ret["action"] == "create":
+ stdscr.clear()
+ title = enter_value(stdscr, "Enter title: ", 0)
+ path = enter_value(stdscr, "Enter path: ", 1)
+ main.create({"path": path, "title": title})
+ elif ret["action"] == "today":
+ main.today({})
+ else:
+ break
+
+# Run the ncurses wrapper
+try:
+ wrapper(m)
+except Exception as e:
+ raise e