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wibox.hierarchy: Update when the context changes 

When the context for widget changes (e.g. we are on a new different screen or
have a different DPI value), widgets might change their appearance even though
they didn't emit widget::layout_changed. Thus, update the hierarchy in these
cases.

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2016-09-23 10:00:28 +02:00
parent 8d2dde3a34
commit e0a3ecba01
1 changed files with 3 additions and 0 deletions
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3
lib/wibox/hierarchy.lua
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@ -23,6 +23,7 @@ local function hierarchy_new(redraw_callback, layout_callback, callback_arg)
_matrix_to_device = matrix.identity, _matrix_to_device = matrix.identity,
_need_update = true, _need_update = true,
_widget = nil, _widget = nil,
_context = nil,
_redraw_callback = redraw_callback, _redraw_callback = redraw_callback,
_layout_callback = layout_callback, _layout_callback = layout_callback,
_callback_arg = callback_arg, _callback_arg = callback_arg,
@ -73,6 +74,7 @@ end
local hierarchy_update local hierarchy_update
function hierarchy_update(self, context, widget, width, height, region, matrix_to_parent, matrix_to_device) function hierarchy_update(self, context, widget, width, height, region, matrix_to_parent, matrix_to_device)
if (not self._need_update) and self._widget == widget and if (not self._need_update) and self._widget == widget and
self._context == context and
self._size.width == width and self._size.height == height and self._size.width == width and self._size.height == height and
matrix.equals(self._matrix, matrix_to_parent) and matrix.equals(self._matrix, matrix_to_parent) and
matrix.equals(self._matrix_to_device, matrix_to_device) then matrix.equals(self._matrix_to_device, matrix_to_device) then
@ -101,6 +103,7 @@ function hierarchy_update(self, context, widget, width, height, region, matrix_t
-- Save the arguments we need to save -- Save the arguments we need to save
self._widget = widget self._widget = widget
self._context = context
self._size.width = width self._size.width = width
self._size.height = height self._size.height = height
self._matrix = matrix_to_parent self._matrix = matrix_to_parent