Refactor layout dimension to use per window decoration sizes

This commit is contained in:
Kovid Goyal
2018-07-05 15:44:26 +05:30
parent f0f1c911ea
commit 472a3bc69f

View File

@@ -22,26 +22,25 @@ def idx_for_id(win_id, windows):
return i
def layout_dimension(start_at, length, cell_length, number_of_windows=1, border_length=0, margin_length=0, padding_length=0, left_align=False, bias=None):
def layout_dimension(start_at, length, cell_length, decoration_pairs, left_align=False, bias=None):
number_of_windows = len(decoration_pairs)
number_of_cells = length // cell_length
border_length += padding_length
space_needed_for_border = number_of_windows * 2 * border_length
space_needed_for_padding = number_of_windows * 2 * margin_length
space_needed = space_needed_for_padding + space_needed_for_border
space_needed_for_decorations = sum(map(sum, decoration_pairs))
extra = length - number_of_cells * cell_length
while extra < space_needed:
while extra < space_needed_for_decorations:
number_of_cells -= 1
extra = length - number_of_cells * cell_length
cells_per_window = number_of_cells // number_of_windows
extra -= space_needed
extra -= space_needed_for_decorations
pos = start_at
if not left_align:
pos += extra // 2
pos += border_length + margin_length
def calc_window_length(cells_in_window):
def calc_window_geom(i, cells_in_window):
nonlocal pos
pos += decoration_pairs[i][0]
inner_length = cells_in_window * cell_length
return 2 * (border_length + margin_length) + inner_length
return inner_length + decoration_pairs[i][1]
if bias is not None and number_of_windows > 1 and len(bias) == number_of_windows and cells_per_window > 5:
cells_map = [int(b * number_of_cells) for b in bias]
@@ -51,21 +50,15 @@ def layout_dimension(start_at, length, cell_length, number_of_windows=1, border_
break
cells_map[mini] += 1
cells_map[maxi] -= 1
else:
cells_map = list(repeat(cells_per_window, number_of_windows))
extra = number_of_cells - sum(cells_map)
if extra:
cells_map[-1] += extra
for cells_per_window in cells_map:
window_length = calc_window_length(cells_per_window)
yield pos, cells_per_window
pos += window_length
return
window_length = calc_window_length(cells_per_window)
extra = number_of_cells - (cells_per_window * number_of_windows)
while number_of_windows > 0:
number_of_windows -= 1
yield pos, cells_per_window + (extra if number_of_windows == 0 else 0)
extra = number_of_cells - sum(cells_map)
if extra > 0:
cells_map[-1] += extra
for i, cells_per_window in enumerate(cells_map):
window_length = calc_window_geom(i, cells_per_window)
yield pos, cells_per_window
pos += window_length
@@ -83,9 +76,9 @@ def window_geometry(xstart, xnum, ystart, ynum):
return WindowGeometry(left=xstart, top=ystart, xnum=xnum, ynum=ynum, right=xstart + cell_width * xnum, bottom=ystart + cell_height * ynum)
def layout_single_window(margin_length, padding_length):
xstart, xnum = next(layout_dimension(central.left, central.width, cell_width, margin_length=margin_length, padding_length=padding_length))
ystart, ynum = next(layout_dimension(central.top, central.height, cell_height, margin_length=margin_length, padding_length=padding_length))
def layout_single_window(xdecoration_pairs, ydecoration_pairs):
xstart, xnum = next(layout_dimension(central.left, central.width, cell_width, xdecoration_pairs))
ystart, ynum = next(layout_dimension(central.top, central.height, cell_height, ydecoration_pairs))
return window_geometry(xstart, xnum, ystart, ynum)
@@ -341,19 +334,20 @@ class Layout: # {{{
# Utils {{{
def layout_single_window(self, w):
mw = self.margin_width if self.single_window_margin_width < 0 else self.single_window_margin_width
wg = layout_single_window(mw, self.padding_width)
decoration_pairs = ((self.padding_width + mw, self.padding_width + mw),)
wg = layout_single_window(decoration_pairs, decoration_pairs)
w.set_geometry(0, wg)
self.blank_rects = blank_rects_for_window(w)
def xlayout(self, num, bias=None):
return layout_dimension(
central.left, central.width, cell_width, num, self.border_width,
margin_length=self.margin_width, padding_length=self.padding_width, bias=bias)
decoration = self.margin_width + self.border_width + self.padding_width
decoration_pairs = tuple(repeat((decoration, decoration), num))
return layout_dimension(central.left, central.width, cell_width, decoration_pairs, bias=bias)
def ylayout(self, num, left_align=True, bias=None):
return layout_dimension(
central.top, central.height, cell_height, num, self.border_width, left_align=left_align,
margin_length=self.margin_width, padding_length=self.padding_width, bias=bias)
decoration = self.margin_width + self.border_width + self.padding_width
decoration_pairs = tuple(repeat((decoration, decoration), num))
return layout_dimension(central.top, central.height, cell_height, decoration_pairs, bias=bias)
def simple_blank_rects(self, first_window, last_window):
br = self.blank_rects
@@ -379,7 +373,8 @@ class Stack(Layout): # {{{
def do_layout(self, windows, active_window_idx):
mw = self.margin_width if self.single_window_margin_width < 0 else self.single_window_margin_width
wg = layout_single_window(mw, self.padding_width)
decoration_pairs = ((mw + self.padding_width, mw + self.padding_width),)
wg = layout_single_window(decoration_pairs, decoration_pairs)
for i, w in enumerate(windows):
w.set_geometry(i, wg)
if w.is_visible_in_layout: