[win32] Use initial cursor size when hiding or showing it #2339
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olivierphi
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@@ Coverage Diff @@
## master #2339 +/- ##
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- Coverage 98.88% 98.71% -0.18%
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Files 73 73
Lines 7629 7704 +75
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+ Hits 7544 7605 +61
- Misses 85 99 +14
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By doing this the users get their original cursor style back when Rich gives control back to the terminal, rather than a "full size" one
olivierphi
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| ) | ||
| def test_cursor_position(_): | ||
| @pytest.fixture | ||
| def win32_console_getters(): |
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I replaced the 20+ repeated occurrences of @patch.object(_win32_console, "GetConsoleScreenBufferInfo", return_value=StubScreenBufferInfo) with a Pytest fixture, which should scale better if we add more patching-that-is-common-to-most-tests in the future .
At the moment this fixture is in charge of patching the previous GetConsoleScreenBufferInfo, but also the new GetConsoleCursorInfo 馃檪
| ) as GetConsoleScreenBufferInfo, mock.patch.object( | ||
| _win32_console, "GetConsoleCursorInfo", side_effect=stub_console_cursor_info | ||
| ) as GetConsoleCursorInfo: | ||
| yield { |
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the fixture yields the created mocks, which is useful for tests that few need to override the default behaviour :-)
rich/_win32_console.py
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| @@ -340,6 +364,12 @@ def __init__(self, file: "IO[str]") -> None: | |||
| default_text = GetConsoleScreenBufferInfo(handle).wAttributes | |||
| self._default_text = default_text | |||
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| # Store the current cursor size | |||
| # @link https://docs.microsoft.com/en-us/windows/console/console-cursor-info-str | |||
| initial_cursor_info = CONSOLE_CURSOR_INFO() | |||
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I don't think we should be storing the cursor size in the constructor. Consider if the user changes the cursor size after this object has been created (hardly likely, but possible). Now if they call hide_cursor or show_cursor the cursor size may be incorrect.
We should add this to hide_cursor and show_cursor. i.e. get the cursor info first, modify the visible flag, and then set the cursor info in a single operation.
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Done! 馃檪 08ea255
olivierphi
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By doing this the users get their original cursor style back when Rich gives control back to the terminal, rather than a "full size" one
Fixes #2333
Type of changes
Checklist
Description
Before the fix:
We can see the cursor is no longer the same (converted to a "thick" one) after Rich gives control back to the terminal:
Command.Prompt.2022-06-14.15-39-25.mp4
After the fix:
Cursor-after-Rich is well and truly the same than cursor-before-Rich:
Command.Prompt.2022-06-14.15-38-47.mp4
(I also tested with Powershell, and the fix looks to work there too :-)