5 from client.config.windows import windows_config
9 sep_size = 1 # Width of inter-window borders and title bars.
16 def __init__(self, title, draw_function, size):
18 self.draw = types.MethodType(draw_function, self)
22 def set_window_geometries():
24 def size_window(config):
28 size[0] = screen_size[0] - sep_size
30 size[0] = screen_size[0] + config[0] - sep_size
33 size[1] = screen_size[1]
35 size[1] = screen_size[1] + config[1]
38 def place_window(win):
39 win_i = windows.index(win)
41 # If win is first window, it goes into the top left corner.
42 win.start = [0 + sep_size, 0]
45 # If not, get win's closest predecessor starting a new stack on the
46 # screen top,fit win's top left to that win_top's top right corner.
48 for i in range(win_i - 1, -1, -1):
50 if (win_top.start[0] == 0 + sep_size):
52 win.start[1] = win_top.start[1] + win_top.size[1] + sep_size
54 # If enough space is found below win's predecessor, fit win's top
55 # left corner to that predecessor's bottom left corner.
56 win_prev = windows[win_i - 1]
57 next_free_y = win_prev.start[0] + win_prev.size[0] + sep_size
58 if (win.size[1] <= win_prev.size[1] and
59 win.size[0] <= screen_size[0] - next_free_y):
60 win.start[1] = win_prev.start[1]
61 win.start[0] = next_free_y
63 # If that fails, try to fit win's top left corner to the top right
64 # corner of its closest predecessor win_test 1) below win_top (see
65 # above) 2) and with enough space open to its right between its
66 # right edge and the lower edge of a win_high located directly
67 # above win_test to fit win there (without growing further to the
68 # right than win_high does or surpassing the screen's lower edge).
72 while (win_test != win_top):
73 for i in range(win_i - 2, -1, -1):
75 if win_test.start[0] > win_high.start[0]:
77 next_free_y = win_high.start[0] + win_high.size[0] \
79 first_free_x = win_test.start[1] + win_test.size[1] \
81 last_free_x = win_high.start[1] + win_high.size[1]
82 if (win.size[0] <= screen_size[0] - next_free_y and
83 win.size[1] <= last_free_x - first_free_x):
84 win.start[1] = first_free_x
85 win.start[0] = next_free_y
89 global screen_size, stdscr
91 stdscr = curses.initscr()
92 screen_size = stdscr.getmaxyx()
93 for config in windows_config:
94 size = size_window(config["config"])
95 window = Window(config["title"], config["func"], size)
96 windows.append(window)
103 def healthy_addch(y, x, char, attr=0):
104 """Workaround for <http://stackoverflow.com/questions/7063128/>."""
105 if y == screen_size[0] - 1 and x == screen_size[1] - 1:
106 char_before = stdscr.inch(y, x - 1)
107 stdscr.addch(y, x - 1, char, attr)
108 stdscr.insstr(y, x - 1, " ")
109 stdscr.addch(y, x - 1, char_before)
111 stdscr.addch(y, x, char, attr)
113 def draw_window_border_lines():
116 j = win.start[int(k == 0)] - sep_size
117 if (j >= 0 and j < screen_size[int(k == 0)]):
119 end = win.start[k] + win.size[k]
120 end = end if end < screen_size[k] else screen_size[k]
122 [healthy_addch(j, i, '-') for i in range(start, end)]
124 [healthy_addch(i, j, '|') for i in range(start, end)]
126 def draw_window_border_corners():
128 up = win.start[0] - sep_size
129 down = win.start[0] + win.size[0]
130 left = win.start[1] - sep_size
131 right = win.start[1] + win.size[1]
132 if (up >= 0 and up < screen_size[0]):
133 if (left >= 0 and left < screen_size[1]):
134 healthy_addch(up, left, '+')
135 if (right >= 0 and right < screen_size[1]):
136 healthy_addch(up, right, '+')
137 if (down >= 0 and down < screen_size[0]):
138 if (left >= 0 and left < screen_size[1]):
139 healthy_addch(down, left, '+')
140 if (right >= 0 and right < screen_size[1]):
141 healthy_addch(down, right, '+')
143 def draw_window_titles():
145 title = " " + win.title + " "
146 if len(title) <= win.size[1]:
148 start_x = win.start[1] + int((win.size[1] - len(title))/2)
149 for x in range(len(title)):
150 healthy_addch(y, start_x + x, title[x])
152 def draw_window_contents():
154 """Draw winmap in area delimited by offset, winmap_size.
156 The individuall cell of a winmap is interpreted as either a single
157 character element, or as a tuple of character and attribute,
158 depending on the size len(cell) spits out.
162 stop[i] = win.size[i] + offset[i]
163 if stop[i] >= winmap_size[i]:
164 stop[i] = winmap_size[i]
165 for y in range(offset[0], stop[0]):
166 for x in range(offset[1], stop[1]):
167 cell = winmap[y * winmap_size[1] + x]
172 y_in_screen = win.start[0] + (y - offset[0])
173 x_in_screen = win.start[1] + (x - offset[1])
174 if (y_in_screen < screen_size[0]
175 and x_in_screen < screen_size[1]):
176 healthy_addch(y_in_screen, x_in_screen, cell, attr)
177 def draw_scroll_hints():
178 def draw_scroll_string(n_lines_outside):
179 hint = ' ' + str(n_lines_outside + 1) + ' more ' + unit + ' '
180 if len(hint) <= win.size[ni]:
181 non_hint_space = win.size[ni] - len(hint)
182 hint_offset = int(non_hint_space / 2)
183 for j in range(win.size[ni] - non_hint_space):
184 pos_2 = win.start[ni] + hint_offset + j
185 x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
186 healthy_addch(y, x, hint[j], curses.A_REVERSE)
187 def draw_scroll_arrows(ar1, ar2):
188 for j in range(win.size[ni]):
189 pos_2 = win.start[ni] + j
190 x, y = (pos_2, pos_1) if ni else (pos_1, pos_2)
191 healthy_addch(y, x, ar1 if ni else ar2, curses.A_REVERSE)
194 unit = 'rows' if ni else 'columns'
197 draw_scroll_arrows('^', '<')
198 draw_scroll_string(offset[i])
199 if (winmap_size[i] > offset[i] + win.size[i]):
200 pos_1 = win.start[i] + win.size[i] - 1
201 draw_scroll_arrows('v', '>')
202 draw_scroll_string(winmap_size[i] - offset[i]
205 offset, winmap_size, winmap = win.draw()
210 draw_window_border_lines()
211 draw_window_border_corners()
213 draw_window_contents()