def _create_layout(source_key, color_scheme, lines, ncolumns):
context = source_key.context
frame_width = LayoutBuilderKeySequence._calc_frame_width(context)
nrows = len(lines)
spacing = (1, 1)
# calc canvas size
rect = source_key.get_canvas_border_rect()
layout_canvas_rect = Rect(
frame_width, frame_width,
rect.w * ncolumns + spacing[0] * (ncolumns - 1),
rect.h * nrows + spacing[1] * (nrows - 1))
# subdive into logical rectangles for the keys
layout_rect = context.canvas_to_log_rect(layout_canvas_rect)
key_rects = layout_rect.subdivide(ncolumns, nrows, *spacing)
# create keys, slots for empty labels are skipped
keys = []
for i, line in enumerate(lines):
for j, item in enumerate(line):
slot = i * ncolumns + j
if item:
# control item?
key = item
key.set_border_rect(key_rects[slot])
key.group = "alternatives"
key.color_scheme = color_scheme
keys.append(key)
item = LayoutPanel()
item.border = 0
item.set_items(keys)
layout = LayoutRoot(item)
layout.fit_inside_canvas(layout_canvas_rect)
return layout, frame_width
def _create_layout(source_key, color_scheme, lines, ncolumns):
context = source_key.context
frame_width = LayoutBuilderKeySequence._calc_frame_width(context)
nrows = len(lines)
spacing = (1, 1)
# calc canvas size
rect = source_key.get_canvas_border_rect()
layout_canvas_rect = Rect(frame_width, frame_width,
rect.w * ncolumns + spacing[0] * (ncolumns - 1),
rect.h * nrows + spacing[1] * (nrows - 1))
# subdive into logical rectangles for the keys
layout_rect = context.canvas_to_log_rect(layout_canvas_rect)
key_rects = layout_rect.subdivide(ncolumns, nrows, *spacing)
# create keys, slots for empty labels are skipped
keys = []
for i, line in enumerate(lines):
for j, item in enumerate(line):
slot = i * ncolumns + j
if item:
# control item?
key = item
key.set_border_rect(key_rects[slot])
key.group = "alternatives"
key.color_scheme = color_scheme
keys.append(key)
item = LayoutPanel()
item.border = 0
item.set_items(keys)
layout = LayoutRoot(item)
layout.fit_inside_canvas(layout_canvas_rect)
return layout, frame_width
