def __init__(self, stdscr, config=None):
'''Sets up a MainWindow.
stdscr -- a curses WindowObject to draw to
config -- a ConfigParser.Config object (see docs for possible values)
'''
self.logger = logging.getLogger('goldfinch' +
"." + self.__class__.__name__)
self.stdscr = stdscr
self.config = config
self.mode = 'edit'
(self.term_height, self.term_width) = self.stdscr.getmaxyx()
self.statusbar_top = StatusBar(0, self.stdscr)
self.statusbar_bottom = StatusBar(self.term_height-2, self.stdscr)
self.pager = Pager(200, self.stdscr, logging.getLogger(\
'goldfinch' + '.' + Pager.__class__.__name__))
class MainWindow(object):
'''Represents the interface on the screen (view)'''
def __init__(self, stdscr, config=None):
'''Sets up a MainWindow.
stdscr -- a curses WindowObject to draw to
config -- a ConfigParser.Config object (see docs for possible values)
'''
self.logger = logging.getLogger('goldfinch' +
"." + self.__class__.__name__)
self.stdscr = stdscr
self.config = config
self.mode = 'edit'
(self.term_height, self.term_width) = self.stdscr.getmaxyx()
self.statusbar_top = StatusBar(0, self.stdscr)
self.statusbar_bottom = StatusBar(self.term_height-2, self.stdscr)
self.pager = Pager(200, self.stdscr, logging.getLogger(\
'goldfinch' + '.' + Pager.__class__.__name__))
def draw(self):
'''Draw the various interface components to the screen'''
self._draw_statusbars()
self._draw_pager()
self._draw_inputbox()
self.stdscr.move(self.term_height-1,\
0) # move the cursor to the input box
def set_mode(self, mode):
assert mode == 'edit' or mode == 'command'
self.input_box.mode = mode
self.statusbar_bottom.add_text('['+mode+']', 'right')
if mode == 'command':
curses.curs_set(0) # hide
else:
curses.curs_set(1)
self.logger.debug('set mode to ' + mode)
def _draw_inputbox(self):
'''Draws the input box to the main window using a goldfinch.CustomTextbox.
The input marker is drawn outside the input box.
'''
self.input_win = curses.newwin(1, self.term_width, self.term_height-1, 0)
# create a list of InputHandler objects to handle key press events on the
# input box
handlers = []
#TODO: resize event doesn't seem to get recognised when on a remote
# terminal.
resize_handler = InputHandler(\
curses.KEY_RESIZE,
self.draw,
[],
['edit', 'command'])
handlers.append(resize_handler)
command_mode = InputHandler(\
curses.ascii.ESC,
self.set_mode,
['command'],
['edit'])
handlers.append(command_mode)
edit_mode = InputHandler(\
ord('i'),
self.set_mode,
['edit'],
['command'])
handlers.append(edit_mode)
scroll_up = InputHandler(\
ord('k'),
self.pager.scroll,
[-1],
['command'])
handlers.append(scroll_up)
scroll_down = InputHandler(\
ord('j'),
self.pager.scroll,
[1],
['command'])
handlers.append(scroll_down)
page_down = InputHandler(\
curses.KEY_PPAGE,
self.pager.scroll,
[-self.term_height-3], # -3 for 2 status bars + inputbox
['edit', 'command'])
handlers.append(page_down)
page_up = InputHandler(\
curses.KEY_NPAGE,
self.pager.scroll,
[self.term_height-3],
['edit', 'command'])
handlers.append(page_up)
space_page_down = InputHandler(\
curses.ascii.SP,
self.pager.scroll,
[self.term_height-3],
['command'])
handlers.append(space_page_down)
self.input_box = CustomTextbox(self.input_win,\
handlers)
self.input_win.overwrite(self.stdscr)
self.input_win.refresh()
self.stdscr.refresh()
def _draw_pager(self):
'''Draws the main pager area to the screen'''
self.pager.draw()
def _draw_statusbars(self):
self.statusbar_top.draw()
self.statusbar_bottom.draw()
self.statusbar_top.add_text('goldfinch ' + GoldFinch.__version__, 'left')
self.statusbar_bottom.add_text(''.join(['[', self.mode, ']']), 'right')