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
def build(source_key, color_scheme, layout):
context = source_key.context
frame_width = LayoutBuilder._calc_frame_width(context)
layout = LayoutRoot(layout)
layout.update_log_rect()
log_rect = layout.get_border_rect()
canvas_rect = Rect(frame_width, frame_width,
log_rect.w * context.scale_log_to_canvas_x(1.0),
log_rect.h * context.scale_log_to_canvas_y(1.0))
layout.fit_inside_canvas(canvas_rect)
return layout, frame_width
def load(self, vk, layout_filename, color_scheme):
""" Load layout root file. """
self._system_layout, self._system_variant = \
self._get_system_keyboard_layout(vk)
_logger.info("current system keyboard layout(variant): '{}'" \
.format(self._get_system_layout_string()))
layout = self._load(vk, layout_filename, color_scheme,
os.path.dirname(layout_filename))
if layout:
# purge attributes only used during loading
for item in layout.iter_items():
item.templates = None
item.keysym_rules = None
# enable caching
layout = LayoutRoot(layout)
return layout
def build(source_key, color_scheme, layout):
context = source_key.context
frame_width = LayoutBuilder._calc_frame_width(context)
layout = LayoutRoot(layout)
layout.update_log_rect()
log_rect = layout.get_border_rect()
canvas_rect = Rect(frame_width, frame_width,
log_rect.w * context.scale_log_to_canvas_x(1.0),
log_rect.h * context.scale_log_to_canvas_y(1.0))
layout.fit_inside_canvas(canvas_rect)
return layout, frame_width
