Return 'self' in some widget verb methods. #2102
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I compiled a list of all widget methods that return 'None' and for which it _could_ make sense to make this change.
(I filtered out some methods, like watch and action methods.)
I tried choosing a subset of those methods, trying to only pick methods for which there weren't two things that could be returned (e.g., 'Widget.move_child' _could_ return either the widget or the child that was moved) and I also tried to only pick methods that have little or no parameters (e.g., 'Widget.animate' has many parameters and is typically called with quite a few.
These are all the 'Widget' methods for which this could make sense:
- 'move_child' (either return 'self' or the actual 'child' that was moved…)
- 'animate'
- 'scroll_to' / 'scroll_relate' / 'scroll_home' / 'scroll_end' / 'scroll_left' / 'scroll_right' / 'scroll_down' / 'scroll_up' / 'scroll_page_up' / 'scroll_page_down' / 'scroll_page_left' / 'scroll_page_right' / 'scroll_visible'
- 'refresh'
- 'focus' / 'reset_focus'
- 'capture_mouse' / 'release_mouse'
Additionally, I looked at each widget, and found these methods:
- 'Tree'
- 'TreeNode'
- 'expand' / 'expand_all' / 'collapse' / 'collapse_all' / 'toggle' / 'toggle_all'
- 'set_label'
- 'clear' / 'reset'
- 'select_node' (either return 'self' or the actual 'node' that was selected)
- 'scroll_to_line' / 'scroll_to_node'
- 'refresh_line'
- 'ToggleButton'
- 'toggle' (and 'action_toggle'?)
- 'TextLog'
- 'write'
- 'clear'
- 'Tabs'
- 'add_tab' / 'remove_tab'
- 'clear'
- 'Switch'
- 'toggle' (and 'action_toggle'?)
- 'Static'
- 'update'
- 'Pretty'
- 'update'
- 'Placeholder'
- 'cycle_variant'
- '_markdown.py'
- 'MarkdownBlock'
- 'set_content'
- 'MarkdownTableOfContents'
- 'set_table_of_contents'
- 'Input'
- 'insert_text_at_cursor'
- 'DirectoryTree'
- 'load_directory'
- 'DataTable'
- 'update_cell' / 'update_cell_at'
- 'clear'
- 'refresh_coordinate' / 'refresh_row' / 'refresh_column'
- 'sort'
- 'Button'
- 'press'
Related issues: #1908
Related discussions: #1817
davep
reviewed
Mar 22, 2023
willmcgugan
requested changes
Mar 23, 2023
That makes sense. |
willmcgugan
approved these changes
Mar 23, 2023
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I compiled a list of all widget methods that return
Noneand for which it could make sense to make this change. (I filtered out some methods, like watch and action methods.)I tried choosing a subset of those methods, trying to only pick methods for which there weren't two things that could be returned (e.g.,
Widget.move_childcould return either the widget or the child that was moved) and I also tried to only pick methods that have little or no parameters (e.g.,Widget.animatehas many parameters and is typically called with quite a few.)These are all the
Widgetmethods for which this could make sense:move_child(either returnselfor the actualchildthat was moved…)animatescroll_to/scroll_relate/scroll_home/scroll_end/scroll_left/scroll_right/scroll_down/scroll_up/scroll_page_up/scroll_page_down/scroll_page_left/scroll_page_right/scroll_visiblerefreshfocus/reset_focuscapture_mouse/release_mouseAdditionally, I looked at each widget, and found these methods:
TreeTreeNodeexpand/expand_all/collapse/collapse_all/toggle/toggle_allset_labelclear/resetselect_node(either returnselfor the actualnodethat was selected)scroll_to_line/scroll_to_noderefresh_lineToggleButtontoggle(andaction_toggle?)TextLogwriteclearTabsadd_tab/remove_tabclearSwitchtoggle(andaction_toggle?)StaticupdatePrettyupdatePlaceholdercycle_variant_markdown.pyMarkdownBlockset_contentMarkdownTableOfContentsset_table_of_contentsInputinsert_text_at_cursorDirectoryTreeload_directoryDataTableupdate_cell/update_cell_atclearrefresh_coordinate/refresh_row/refresh_columnsortButtonpressRelated issues: #1908
Related discussions: #1817