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https://github.com/markqvist/NomadNet.git
synced 2024-10-01 01:26:07 -04:00
713 lines
25 KiB
Python
713 lines
25 KiB
Python
import nomadnet
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import urwid
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import random
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import time
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from urwid.util import is_mouse_press
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from urwid.text_layout import calc_coords
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import re
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DEFAULT_FG_DARK = "ddd"
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DEFAULT_FG_LIGHT = "222"
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DEFAULT_BG = "default"
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SELECTED_STYLES = None
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STYLES_DARK = {
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"plain": { "fg": DEFAULT_FG_DARK, "bg": DEFAULT_BG, "bold": False, "underline": False, "italic": False },
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"heading1": { "fg": "222", "bg": "bbb", "bold": False, "underline": False, "italic": False },
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"heading2": { "fg": "111", "bg": "999", "bold": False, "underline": False, "italic": False },
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"heading3": { "fg": "000", "bg": "777", "bold": False, "underline": False, "italic": False },
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}
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STYLES_LIGHT = {
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"plain": { "fg": DEFAULT_FG_LIGHT, "bg": DEFAULT_BG, "bold": False, "underline": False, "italic": False },
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"heading1": { "fg": "000", "bg": "777", "bold": False, "underline": False, "italic": False },
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"heading2": { "fg": "111", "bg": "aaa", "bold": False, "underline": False, "italic": False },
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"heading3": { "fg": "222", "bg": "ccc", "bold": False, "underline": False, "italic": False },
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}
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SYNTH_STYLES = []
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SYNTH_SPECS = {}
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SECTION_INDENT = 2
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INDENT_RIGHT = 1
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def markup_to_attrmaps(markup, url_delegate = None):
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global SELECTED_STYLES
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if nomadnet.NomadNetworkApp.get_shared_instance().config["textui"]["theme"] == nomadnet.ui.TextUI.THEME_DARK:
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SELECTED_STYLES = STYLES_DARK
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else:
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SELECTED_STYLES = STYLES_LIGHT
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attrmaps = []
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state = {
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"literal": False,
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"depth": 0,
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"fg_color": SELECTED_STYLES["plain"]["fg"],
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"bg_color": DEFAULT_BG,
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"formatting": {
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"bold": False,
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"underline": False,
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"italic": False,
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"strikethrough": False,
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"blink": False,
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},
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"default_align": "left",
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"align": "left",
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}
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# Split entire document into lines for
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# processing.
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lines = markup.split("\n");
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for line in lines:
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if len(line) > 0:
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display_widget = parse_line(line, state, url_delegate)
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else:
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display_widget = urwid.Text("")
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if display_widget != None:
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attrmap = urwid.AttrMap(display_widget, make_style(state))
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attrmaps.append(attrmap)
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return attrmaps
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def parse_line(line, state, url_delegate):
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if len(line) > 0:
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first_char = line[0]
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# Check for literals
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if len(line) == 2 and line == "`=":
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state["literal"] ^= True
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return None
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# Only parse content if not in literal state
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if not state["literal"]:
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# Check if the command is an escape
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if first_char == "\\":
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line = line[1:]
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# Check for comments
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elif first_char == "#":
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return None
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# Check for section heading reset
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elif first_char == "<":
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state["depth"] = 0
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return parse_line(line[1:], state, url_delegate)
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# Check for section headings
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elif first_char == ">":
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i = 0
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while i < len(line) and line[i] == ">":
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i += 1
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state["depth"] = i
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for j in range(1, i+1):
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wanted_style = "heading"+str(i)
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if wanted_style in SELECTED_STYLES:
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style = SELECTED_STYLES[wanted_style]
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line = line[state["depth"]:]
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if len(line) > 0:
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latched_style = state_to_style(state)
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style_to_state(style, state)
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heading_style = make_style(state)
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output = make_output(state, line, url_delegate)
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style_to_state(latched_style, state)
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if len(output) > 0:
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first_style = output[0][0]
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heading_style = first_style
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output.insert(0, " "*left_indent(state))
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return urwid.AttrMap(urwid.Text(output, align=state["align"]), heading_style)
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else:
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return None
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else:
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return None
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# Check for horizontal dividers
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elif first_char == "-":
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if len(line) == 2:
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divider_char = line[1]
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else:
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divider_char = "\u2500"
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if state["depth"] == 0:
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return urwid.Divider(divider_char)
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else:
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return urwid.Padding(urwid.Divider(divider_char), left=left_indent(state), right=right_indent(state))
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output = make_output(state, line, url_delegate)
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if output != None:
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if url_delegate != None:
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text_widget = LinkableText(output, align=state["align"], delegate=url_delegate)
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else:
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text_widget = urwid.Text(output, align=state["align"])
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if state["depth"] == 0:
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return text_widget
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else:
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return urwid.Padding(text_widget, left=left_indent(state), right=right_indent(state))
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else:
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return None
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else:
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return None
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def left_indent(state):
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return (state["depth"]-1)*SECTION_INDENT
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def right_indent(state):
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return (state["depth"]-1)*SECTION_INDENT
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def make_part(state, part):
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return (make_style(state), part)
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def state_to_style(state):
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return { "fg": state["fg_color"], "bg": state["bg_color"], "bold": state["formatting"]["bold"], "underline": state["formatting"]["underline"], "italic": state["formatting"]["italic"] }
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def style_to_state(style, state):
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if style["fg"] != None:
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state["fg_color"] = style["fg"]
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if style["bg"] != None:
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state["bg_color"] = style["bg"]
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if style["bold"] != None:
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state["formatting"]["bold"] = style["bold"]
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if style["underline"] != None:
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state["formatting"]["underline"] = style["underline"]
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if style["italic"] != None:
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state["formatting"]["italic"] = style["italic"]
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def make_style(state):
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def mono_color(fg, bg):
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return "default"
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def low_color(color):
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try:
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result = "default"
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if color == "default":
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result = "default"
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elif len(color) == 6:
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r = str(color[0])
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g = str(color[2])
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b = str(color[4])
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color = r+g+b
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if len(color) == 3:
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t = 7
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if color[0] == "g":
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val = int(color[1:2])
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if val < 25:
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result = "black"
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elif val < 50:
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result = "dark gray"
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elif val < 75:
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result = "light gray"
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else:
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result = "white"
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else:
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r = int(color[0], 16)
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g = int(color[1], 16)
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b = int(color[2], 16)
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if r == g == b:
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val = int(color[0], 16)*6
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if val < 12:
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result = "black"
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elif val < 50:
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result = "dark gray"
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elif val < 80:
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result = "light gray"
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else:
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result = "white"
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else:
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if r == b:
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if r > g:
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if r > t:
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result = "light magenta"
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else:
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result = "dark magenta"
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else:
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if g > t:
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result = "light green"
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else:
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result = "dark green"
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if b == g:
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if b > r:
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if b > t:
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result = "light cyan"
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else:
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result = "dark cyan"
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else:
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if r > t:
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result = "light red"
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else:
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result = "dark red"
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if g == r:
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if g > b:
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if g > t:
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result = "yellow"
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else:
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result = "brown"
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else:
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if b > t:
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result = "light blue"
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else:
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result = "dark blue"
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if r > g and r > b:
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if r > t:
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result = "light red"
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else:
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result = "dark red"
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if g > r and g > b:
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if g > t:
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result = "light green"
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else:
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result = "dark green"
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if b > g and b > r:
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if b > t:
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result = "light blue"
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else:
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result = "dark blue"
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except Exception as e:
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result = "default"
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return result
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def high_color(color):
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def parseval_hex(char):
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return hex(max(0,min(int(char, 16),16)))[2:]
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def parseval_dec(char):
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return str(max(0,min(int(char), 9)))
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if color == "default":
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return "default"
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else:
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if len(color) == 6:
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try:
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v1 = parseval_hex(color[0])
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v2 = parseval_hex(color[1])
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v3 = parseval_hex(color[2])
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v4 = parseval_hex(color[3])
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v5 = parseval_hex(color[4])
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v6 = parseval_hex(color[5])
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color = "#"+v1+v2+v3+v4+v5+v6
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except Exception as e:
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return "default"
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return color
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elif len(color) == 3:
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if color[0] == "g":
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try:
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v1 = parseval_dec(color[1])
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v2 = parseval_dec(color[2])
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except Exception as e:
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return "default"
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return "g"+v1+v2
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else:
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try:
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v1 = parseval_hex(color[0])
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v2 = parseval_hex(color[1])
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v3 = parseval_hex(color[2])
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color = v1+v2+v3
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except Exception as e:
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return "default"
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r = color[0]
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g = color[1]
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b = color[2]
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return "#"+r+r+g+g+b+b
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bold = state["formatting"]["bold"]
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underline = state["formatting"]["underline"]
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italic = state["formatting"]["italic"]
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fg = state["fg_color"]
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bg = state["bg_color"]
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format_string = ""
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if bold:
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format_string += ",bold"
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if underline:
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format_string += ",underline"
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if italic:
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format_string += ",italics"
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name = "micron_"+fg+"_"+bg+"_"+format_string
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if not name in SYNTH_STYLES:
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screen = nomadnet.NomadNetworkApp.get_shared_instance().ui.screen
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screen.register_palette_entry(name, low_color(fg)+format_string,low_color(bg),mono_color(fg, bg)+format_string,high_color(fg)+format_string,high_color(bg))
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synth_spec = screen._palette[name]
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SYNTH_STYLES.append(name)
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if not name in SYNTH_SPECS:
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SYNTH_SPECS[name] = synth_spec
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return name
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def make_output(state, line, url_delegate):
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output = []
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if state["literal"]:
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if line == "\\`=":
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line = "`="
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output.append(make_part(state, line))
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else:
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part = ""
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mode = "text"
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escape = False
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skip = 0
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for i in range(0, len(line)):
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c = line[i]
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if skip > 0:
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skip -= 1
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else:
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if mode == "formatting":
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if c == "_":
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state["formatting"]["underline"] ^= True
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elif c == "!":
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state["formatting"]["bold"] ^= True
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elif c == "*":
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state["formatting"]["italic"] ^= True
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elif c == "F":
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if len(line) >= i+4:
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color = line[i+1:i+4]
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state["fg_color"] = color
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skip = 3
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elif c == "f":
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state["fg_color"] = SELECTED_STYLES["plain"]["fg"]
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elif c == "B":
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if len(line) >= i+4:
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color = line[i+1:i+4]
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state["bg_color"] = color
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skip = 3
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elif c == "b":
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state["bg_color"] = DEFAULT_BG
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elif c == "`":
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state["formatting"]["bold"] = False
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state["formatting"]["underline"] = False
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state["formatting"]["italic"] = False
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state["fg_color"] = SELECTED_STYLES["plain"]["fg"]
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state["bg_color"] = DEFAULT_BG
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state["align"] = state["default_align"]
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elif c == "c":
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if state["align"] != "center":
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state["align"] = "center"
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else:
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state["align"] = state["default_align"]
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elif c == "l":
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if state["align"] != "left":
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state["align"] = "left"
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else:
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state["align"] = state["default_align"]
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elif c == "r":
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if state["align"] != "right":
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state["align"] = "right"
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else:
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state["align"] = state["default_align"]
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elif c == "a":
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state["align"] = state["default_align"]
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elif c == "<":
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# TODO: remove
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import RNS
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field_name = None
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field_name_end = line[i:].find("`")
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if field_name_end == -1:
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pass
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else:
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field_name = line[i+1:i+field_name_end]
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def sr():
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return "@{"+str(random.randint(1000,9999))+"}"
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rsg = sr()
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while rsg in line[i+field_name_end:]:
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rsg = sr()
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lr = line[i+field_name_end:].replace("\\>", rsg)
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endpos = lr.find(">")
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if endpos == -1:
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pass
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else:
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field_data = lr[1:endpos].replace(rsg, "\\>")
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skip = len(field_data)+len(field_name)+2
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field_data = field_data.replace("\\>", ">")
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RNS.log("Field "+str(field_name)+": "+str(field_data))
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elif c == "[":
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endpos = line[i:].find("]")
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if endpos == -1:
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pass
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else:
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link_data = line[i+1:i+endpos]
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skip = endpos
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link_components = link_data.split("`")
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if len(link_components) == 1:
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link_label = ""
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link_url = link_data
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elif len(link_components) == 2:
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link_label = link_components[0]
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link_url = link_components[1]
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else:
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link_url = ""
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link_label = ""
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if len(link_url) != 0:
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if link_label == "":
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link_label = link_url
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# First generate output until now
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if len(part) > 0:
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output.append(make_part(state, part))
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cm = nomadnet.NomadNetworkApp.get_shared_instance().ui.colormode
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specname = make_style(state)
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speclist = SYNTH_SPECS[specname]
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if cm == 1:
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orig_spec = speclist[0]
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elif cm == 16:
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orig_spec = speclist[1]
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elif cm == 88:
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orig_spec = speclist[2]
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elif cm == 256:
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orig_spec = speclist[3]
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elif cm == 2**24:
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orig_spec = speclist[4]
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if url_delegate != None:
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linkspec = LinkSpec(link_url, orig_spec)
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output.append((linkspec, link_label))
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else:
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output.append(make_part(state, link_label))
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mode = "text"
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if len(part) > 0:
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output.append(make_part(state, part))
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elif mode == "text":
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if c == "\\":
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if escape:
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part += c
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escape = False
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else:
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escape = True
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elif c == "`":
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if escape:
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part += c
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escape = False
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else:
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mode = "formatting"
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if len(part) > 0:
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output.append(make_part(state, part))
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part = ""
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else:
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part += c
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if i == len(line)-1:
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if len(part) > 0:
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output.append(make_part(state, part))
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if len(output) > 0:
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return output
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else:
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return None
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class LinkSpec(urwid.AttrSpec):
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def __init__(self, link_target, orig_spec):
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self.link_target = link_target
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urwid.AttrSpec.__init__(self, orig_spec.foreground, orig_spec.background)
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class LinkableText(urwid.Text):
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ignore_focus = False
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_selectable = True
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signals = ["click", "change"]
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def __init__(self, text, align=None, cursor_position=0, delegate=None):
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self.__super.__init__(text, align=align)
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self.delegate = delegate
|
|
self._cursor_position = 0
|
|
self.key_timeout = 3
|
|
if self.delegate != None:
|
|
self.delegate.last_keypress = 0
|
|
|
|
def handle_link(self, link_target):
|
|
if self.delegate != None:
|
|
self.delegate.handle_link(link_target)
|
|
|
|
def find_next_part_pos(self, pos, part_positions):
|
|
for position in part_positions:
|
|
if position > pos:
|
|
return position
|
|
return pos
|
|
|
|
def find_prev_part_pos(self, pos, part_positions):
|
|
nextpos = pos
|
|
for position in part_positions:
|
|
if position < pos:
|
|
nextpos = position
|
|
return nextpos
|
|
|
|
def find_item_at_pos(self, pos):
|
|
total = 0
|
|
text, parts = self.get_text()
|
|
for i, info in enumerate(parts):
|
|
style, length = info
|
|
if total <= pos < length+total:
|
|
return style
|
|
|
|
total += length
|
|
|
|
return None
|
|
|
|
def peek_link(self):
|
|
item = self.find_item_at_pos(self._cursor_position)
|
|
if item != None:
|
|
if isinstance(item, LinkSpec):
|
|
if self.delegate != None:
|
|
self.delegate.marked_link(item.link_target)
|
|
else:
|
|
if self.delegate != None:
|
|
self.delegate.marked_link(None)
|
|
|
|
|
|
def keypress(self, size, key):
|
|
part_positions = [0]
|
|
parts = []
|
|
total = 0
|
|
text, parts = self.get_text()
|
|
for i, info in enumerate(parts):
|
|
style_name, length = info
|
|
part_positions.append(length+total)
|
|
total += length
|
|
|
|
|
|
if self.delegate != None:
|
|
self.delegate.last_keypress = time.time()
|
|
self._invalidate()
|
|
nomadnet.NomadNetworkApp.get_shared_instance().ui.loop.set_alarm_in(self.key_timeout, self.kt_event)
|
|
|
|
if self._command_map[key] == urwid.ACTIVATE:
|
|
item = self.find_item_at_pos(self._cursor_position)
|
|
if item != None:
|
|
if isinstance(item, LinkSpec):
|
|
self.handle_link(item.link_target)
|
|
|
|
elif key == "up":
|
|
self._cursor_position = 0
|
|
return key
|
|
|
|
elif key == "down":
|
|
self._cursor_position = 0
|
|
return key
|
|
|
|
elif key == "right":
|
|
old = self._cursor_position
|
|
self._cursor_position = self.find_next_part_pos(self._cursor_position, part_positions)
|
|
if self._cursor_position == old:
|
|
self._cursor_position = 0
|
|
return "down"
|
|
|
|
self._invalidate()
|
|
|
|
elif key == "left":
|
|
if self._cursor_position > 0:
|
|
self._cursor_position = self.find_prev_part_pos(self._cursor_position, part_positions)
|
|
self._invalidate()
|
|
|
|
else:
|
|
if self.delegate != None:
|
|
self.delegate.micron_released_focus()
|
|
|
|
else:
|
|
return key
|
|
|
|
def kt_event(self, loop, user_data):
|
|
self._invalidate()
|
|
|
|
def render(self, size, focus=False):
|
|
now = time.time()
|
|
c = self.__super.render(size, focus)
|
|
|
|
if focus and (self.delegate == None or now < self.delegate.last_keypress+self.key_timeout):
|
|
c = urwid.CompositeCanvas(c)
|
|
c.cursor = self.get_cursor_coords(size)
|
|
if self.delegate != None:
|
|
self.peek_link()
|
|
|
|
return c
|
|
|
|
def get_cursor_coords(self, size):
|
|
if self._cursor_position > len(self.text):
|
|
return None
|
|
|
|
(maxcol,) = size
|
|
trans = self.get_line_translation(maxcol)
|
|
x, y = calc_coords(self.text, trans, self._cursor_position)
|
|
if maxcol <= x:
|
|
return None
|
|
return x, y
|
|
|
|
def mouse_event(self, size, event, button, x, y, focus):
|
|
if button != 1 or not is_mouse_press(event):
|
|
return False
|
|
else:
|
|
(maxcol,) = size
|
|
translation = self.get_line_translation(maxcol)
|
|
line_offset = 0
|
|
|
|
if self.align == "center":
|
|
line_offset = translation[y][1][1]-translation[y][0][0]
|
|
if x < translation[y][0][0]:
|
|
x = translation[y][0][0]
|
|
|
|
if x > translation[y][1][0]+translation[y][0][0]:
|
|
x = translation[y][1][0]+translation[y][0][0]
|
|
|
|
elif self.align == "right":
|
|
line_offset = translation[y][1][1]-translation[y][0][0]
|
|
if x < translation[y][0][0]:
|
|
x = translation[y][0][0]
|
|
|
|
else:
|
|
line_offset = translation[y][0][1]
|
|
if x > translation[y][0][0]:
|
|
x = translation[y][0][0]
|
|
|
|
pos = line_offset+x
|
|
|
|
self._cursor_position = pos
|
|
item = self.find_item_at_pos(self._cursor_position)
|
|
|
|
if item != None:
|
|
if isinstance(item, LinkSpec):
|
|
self.handle_link(item.link_target)
|
|
|
|
self._invalidate()
|
|
self._emit("change")
|
|
|
|
return True |