plomlompom.com Git - plomrogue/blob - client_prototype.py

   1 import curses
   2 import signal
   3
   4
   5 def set_window_geometries():
   6
   7     def set_window_size():
   8         win["size"], win["start"] = [0, 0], [0, 0]
   9         win["size"][0] = win["config"][0]
  10         if (win["config"][0] == 0):
  11             win["size"][0] = screen_size[0] - sep_size
  12         elif (win["config"][0] < 0):
  13             win["size"][0] = screen_size[0] + win["config"][0] - sep_size
  14         win["size"][1] = win["config"][1]
  15         if (win["config"][1] == 0):
  16             win["size"][1] = screen_size[1]
  17         elif (win["config"][1] < 0):
  18             win["size"][1] = screen_size[1] + win["config"][1]
  19
  20     def place_window():
  21         win_i = windows.index(win)
  22
  23         # If win is first window, it goes into the top left corner.
  24         win["start"][0] = 0 + sep_size
  25         win["start"][1] = 0
  26         if (win_i > 0):
  27
  28             # If not, get win's closest predecessor starting a new stack on the
  29             # screen top,fit win's top left to that win_top's top right corner.
  30             win_top = None
  31             for i in range(win_i - 1, -1, -1):
  32                 win_top = windows[i]
  33                 if (win_top["start"][0] == 0 + sep_size):
  34                     break
  35             win["start"][1] = win_top["start"][1] + win_top["size"][1] \
  36                 + sep_size
  37
  38             # If enough space is found below win's predecessor, fit win's top
  39             # left corner to that predecessor's bottom left corner.
  40             win_prev = windows[win_i - 1]
  41             next_free_y = win_prev["start"][0] + win_prev["size"][0] + sep_size
  42             if (win["size"][1] <= win_prev["size"][1] and
  43                     win["size"][0] <= screen_size[0] - next_free_y):
  44                 win["start"][1] = win_prev["start"][1]
  45                 win["start"][0] = next_free_y
  46
  47             # If that fails, try to fit win's top left corner to the top right
  48             # corner of its closest predecessor win_test 1) below win_top (see
  49             # above) 2) and with enough space open to its right between its
  50             # right edge and the lower edge of a win_high located directly
  51             # above win_test to fit win there (without growing further to the
  52             # right than win_high does or surpassing the screen's lower edge).
  53             else:
  54                 win_test = win_prev
  55                 win_high = None
  56                 while (win_test != win_top):
  57                     for i in range(win_i - 2, -1, -1):
  58                         win_high = windows[i]
  59                         if win_test["start"][0] > win_high["start"][0]:
  60                             break
  61                     next_free_y = win_high["start"][0] + win_high["size"][0] \
  62                         + sep_size
  63                     first_free_x = win_test["start"][1] + win_test["size"][1] \
  64                         + sep_size
  65                     last_free_x = win_high["start"][1] + win_high["size"][1]
  66                     if (win["size"][0] <= screen_size[0] - next_free_y and
  67                             win["size"][1] <= last_free_x - first_free_x):
  68                         win["start"][1] = first_free_x
  69                         win["start"][0] = next_free_y
  70                         break
  71                     win_test = win_high
  72
  73     global screen_size, stdscr
  74     curses.endwin()
  75     stdscr = curses.initscr()
  76     screen_size = stdscr.getmaxyx()
  77     for win in windows:
  78         set_window_size()
  79         place_window()
  80
  81
  82 def draw_screen():
  83
  84     def draw_window_border_lines():
  85         for win in windows:
  86             for k in range(2):
  87                 j = win["start"][int(k == 0)] - sep_size
  88                 if (j >= 0 and j < screen_size[int(k == 0)]):
  89                     start = win["start"][k]
  90                     # start = start if start >= 0 else 0
  91                     end = win["start"][k] + win["size"][k]
  92                     end = end if end < screen_size[k] else screen_size[k]
  93                     if k:
  94                         [stdscr.addch(j, i, '-') for i in range(start, end)]
  95                     else:
  96                         [stdscr.addch(i, j, '|') for i in range(start, end)]
  97
  98     def draw_window_border_corners():
  99         for win in windows:
 100             up = win["start"][0] - sep_size
 101             down = win["start"][0] + win["size"][0]
 102             left = win["start"][1] - sep_size
 103             right = win["start"][1] + win["size"][1]
 104             if (up >= 0 and up < screen_size[0]):
 105                 if (left >= 0 and left < screen_size[1]):
 106                     stdscr.addch(up, left, '+')
 107                 if (right >= 0 and right < screen_size[1]):
 108                     stdscr.addch(up, right, '+')
 109             if (down >= 0 and down < screen_size[0]):
 110                 if (left >= 0 and left < screen_size[1]):
 111                     stdscr.addch(down, left, '+')
 112                 if (right >= 0 and right < screen_size[1]):
 113                     stdscr.addch(down, right, '+')
 114
 115     def draw_window_contents():
 116         def draw_winmap():
 117             stop = [0, 0]
 118             for i in range(2):
 119                 stop[i] = win["size"][i] + offset[i]
 120                 stop[i] = stop[i] if stop[i] < size[i] else size[i]
 121             for y in range(offset[0], stop[0]):
 122                 for x in range(offset[1], stop[1]):
 123                     cell = winmap[y * size[1] + x]
 124                     y_in_screen = win["start"][0] + (y - offset[0])
 125                     x_in_screen = win["start"][1] + (x - offset[1])
 126                     if (y_in_screen < screen_size[0]
 127                             and x_in_screen < screen_size[1]):
 128                         stdscr.addch(y_in_screen, x_in_screen, cell)
 129         def draw_scroll_hints():
 130             def draw_scroll_string(hint_number):
 131                 hint = ' ' + str(hint_number + 1) + ' more ' + unit + ' '
 132                 if len(hint) <= win["size"][ni]:
 133                     non_hint_space = win["size"][ni] - len(hint)
 134                     hint_offset = int(non_hint_space / 2)
 135                     for j in range(win["size"][ni] - non_hint_space):
 136                         pos_2 = win["start"][ni] + hint_offset + j
 137                         x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
 138                         stdscr.addch(y, x, hint[j], curses.A_REVERSE)
 139             for i in range(2):
 140                 ni = int(i == 0)
 141                 unit = 'rows' if ni else 'columns'
 142                 if (offset[i] > 0):
 143                     pos_1 = win["start"][i]
 144                     for j in range(win["size"][ni]):
 145                         pos_2 = win["start"][ni] + j
 146                         x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
 147                         stdscr.addch(y, x, '^' if ni else '<',
 148                             curses.A_REVERSE)
 149                     draw_scroll_string(offset[i])
 150                 if (size[i] > offset[i] + win["size"][i]):
 151                     pos_1 = win["start"][i] + win["size"][i] - 1
 152                     for j in range(win["size"][ni]):
 153                         pos_2 = win["start"][ni] + j
 154                         x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
 155                         stdscr.addch(y, x, 'v' if ni else '>',
 156                             curses.A_REVERSE)
 157                     draw_scroll_string(size[i] - offset[i] - win["size"][i])
 158         for win in windows:
 159             offset, size, winmap = win["func"]()
 160             draw_winmap()
 161             draw_scroll_hints()
 162
 163     stdscr.clear()
 164     draw_window_border_lines()
 165     draw_window_border_corners()
 166     draw_window_contents()
 167     stdscr.refresh()
 168
 169
 170 def main(stdscr):
 171     curses.noecho()
 172     curses.curs_set(False)
 173     # stdscr.keypad(True)
 174     signal.signal(signal.SIGWINCH,
 175         lambda ignore_1, ignore_2: set_window_geometries())
 176     set_window_geometries()
 177     while True:
 178         draw_screen()
 179         char = stdscr.getch()
 180         if (char >= 0 and chr(char) == 'Q'):
 181             exit()
 182
 183 def foo():
 184     winmap = ['.', 'o', '.', 'o', 'O', 'o', '.', 'o', '.', 'x', 'y', 'x']
 185     size = [4, 3]
 186     offset = [0, 0]
 187     return offset, size, winmap
 188
 189
 190 windows = [
 191     {"config": [1, 33], "func": foo},
 192     {"config": [-7, 33], "func": foo},
 193     {"config": [4, 16], "func": foo},
 194     {"config": [4, 16], "func": foo},
 195     {"config": [0, -34], "func": foo}
 196 ]
 197
 198 sep_size = 1  # Width of inter-window borders and title bars.
 199 stdscr = None
 200 screen_size = [0,0]
 201
 202 curses.wrapper(main)