Changed keyboard to show on defined position.

* svghmi.js
added size paramter to edit_value
changed show_modal function to offset keyboard if paramter passed

*widget_input.ysl2
in on_edit_click:
function get position if key_pos element is defined in input widget

*widget_keypad.ysl2
Reworked keypad widget to extand class widget,
added support for changing keyboard position to user defined location

.project

.directory
.pytest_cache
.cache
.coverage_full

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^tests/.*/build$
^.idea/.*
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^.*\.pyc$
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^.*\.swp$

bug_report.*\.txt
i18n/.*.new$
revision

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