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Extract header and footer windows

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This commit is contained in:
Ivan Habunek 2018-01-08 14:02:52 +01:00
parent dc3b17c69b
commit 554618db4b
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GPG Key ID: CDBD63C43A30BB95
1 changed files with 52 additions and 55 deletions
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107
toot/ui/app.py
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@ -33,11 +33,44 @@ class Color:
class_.WHITE_ON_BLUE = curses.color_pair(6)
class HeaderWindow:
def __init__(self, height, width, y, x):
self.window = curses.newwin(height, width, y, x)
self.height = height
self.width = width
def draw(self):
self.window.erase()
self.window.addstr(0, 1, "toot - your Mastodon command line interface", Color.YELLOW)
self.window.addstr(1, 1, "https://github.com/ihabunek/toot")
self.window.refresh()
class FooterWindow:
def __init__(self, height, width, y, x):
self.window = curses.newwin(height, width, y, x)
self.height = height
self.width = width
def draw_status(self, selected, count):
text = "Showing toot {} of {}".format(selected + 1, count)
text = trunc(text, self.width - 1).ljust(self.width - 1)
self.window.addstr(0, 0, text, Color.WHITE_ON_BLUE | curses.A_BOLD)
self.window.refresh()
def draw_message(self, text, color):
text = trunc(text, self.width - 1).ljust(self.width - 1)
self.window.addstr(1, 0, text, color)
self.window.refresh()
def clear_message(self):
self.window.addstr(0, 0, " " * self.width)
self.window.refresh()
class StatusDetailWindow:
"""Window which shows details of a status (right side)"""
def __init__(self, height, width, y, x):
# screen_height, screen_width = stdscr.getmaxyx()
self.window = curses.newwin(height, width, y, x)
self.height = height
self.width = width
@ -87,6 +120,7 @@ class StatusDetailWindow:
self.window.refresh()
class TimelineApp:
def __init__(self, status_generator):
self.status_generator = status_generator
@ -120,10 +154,10 @@ class TimelineApp:
self.left_width = max(min(screen_width // 3, 60), 30)
self.right_width = screen_width - self.left_width
self.top = curses.newwin(2, screen_width, 0, 0)
self.header = HeaderWindow(2, screen_width, 0, 0)
self.footer = FooterWindow(2, screen_width, screen_height - 2, 0)
self.left = curses.newpad(screen_height - 4, self.left_width)
self.right = StatusDetailWindow(screen_height - 4, self.right_width, 2, self.left_width)
self.bottom = curses.newwin(2, screen_width, screen_height - 2, 0)
def loop(self):
while True:
@ -165,10 +199,10 @@ class TimelineApp:
def select_previous(self):
"""Move to the previous status in the timeline."""
self.clear_bottom_message()
self.footer.clear_message()
if self.selected == 0:
self.draw_bottom_message("Cannot move beyond first toot.", Color.GREEN)
self.footer.draw_message("Cannot move beyond first toot.", Color.GREEN)
return
old_index = self.selected
@ -185,13 +219,13 @@ class TimelineApp:
def select_next(self):
"""Move to the next status in the timeline."""
self.clear_bottom_message()
self.footer.clear_message()
# Load more statuses if no more are available
if self.selected + 1 >= len(self.statuses):
self.fetch_next()
self.draw_statuses(self.left, self.selected + 1)
self.draw_bottom_status()
self.draw_footer_status()
old_index = self.selected
new_index = self.selected + 1
@ -218,11 +252,11 @@ class TimelineApp:
self.draw_status_row(self.left, old_status, old_index, False)
self.draw_status_row(self.left, new_status, new_index, True)
self.right.draw(new_status)
self.draw_bottom_status()
self.draw_footer_status()
def fetch_next(self):
try:
self.draw_bottom_message("Loading toots...", Color.BLUE)
self.footer.draw_message("Loading toots...", Color.BLUE)
statuses = next(self.status_generator)
except StopIteration:
return None
@ -230,45 +264,23 @@ class TimelineApp:
for status in statuses:
self.statuses.append(parse_status(status))
self.draw_bottom_message("Loaded {} toots".format(len(statuses)), Color.GREEN)
self.footer.draw_message("Loaded {} toots".format(len(statuses)), Color.GREEN)
return len(statuses)
def full_redraw(self):
"""Perform a full redraw of the UI."""
self.header.draw()
self.draw_footer_status()
self.left.clear()
self.top.clear()
self.bottom.clear()
self.left.box()
self.top.addstr(" toot - your Mastodon command line interface\n", Color.YELLOW)
self.top.addstr(" https://github.com/ihabunek/toot")
self.draw_statuses(self.left)
self.right.draw(self.get_selected_status())
self.draw_usage(self.bottom)
self.draw_bottom_status()
self.header.draw()
self.scroll_refresh()
self.top.refresh()
self.bottom.refresh()
def draw_usage(self, window):
# Show usage on the bottom
window.addstr("Usage: | ")
window.addch("j", Color.GREEN)
window.addstr(" next | ")
window.addch("k", Color.GREEN)
window.addstr(" previous | ")
window.addch("v", Color.GREEN)
window.addstr(" open in browser | ")
window.addch("q", Color.GREEN)
window.addstr(" quit")
window.refresh()
def get_selected_status(self):
if len(self.statuses) > self.selected:
return self.statuses[self.selected]
@ -307,23 +319,8 @@ class TimelineApp:
highlight = self.selected == index
self.draw_status_row(window, status, index, highlight)
def clear_bottom_message(self):
_, width = self.bottom.getmaxyx()
self.bottom.addstr(1, 0, " " * (width - 1))
self.bottom.refresh()
def draw_bottom_message(self, text, color=0):
_, width = self.bottom.getmaxyx()
text = trunc(text, width - 1).ljust(width - 1)
self.bottom.addstr(1, 0, text, color)
self.bottom.refresh()
def draw_bottom_status(self):
_, width = self.bottom.getmaxyx()
text = "Showing toot {} of {}".format(self.selected + 1, len(self.statuses))
text = trunc(text, width - 1).ljust(width - 1)
self.bottom.addstr(0, 0, text, Color.WHITE_ON_BLUE | curses.A_BOLD)
self.bottom.refresh()
def draw_footer_status(self):
self.footer.draw_status(self.selected, len(self.statuses))
def parse_status(status):