Textual 2.0.4 plus ghostty "fakes" escape press when mouse crosses window border

[davep]

With this code:

from textual.app import App

class WeirdEscapeApp(App[None]):

    BINDINGS = [("escape", "escape")]

    def action_escape(self) -> None:
        self.notify("Escape was pressed!")

if __name__ == "__main__":
    WeirdEscapeApp().run()

I see this effect:

Screen.Recording.2025-02-19.at.10.56.58.mov

Testing with Textual 1.0.0 I don't see this. On the other hand I can't recreate it with iTerm and Textual 2.0.4 (haven't had the chance to test other terminals).

While I appreciate this might be specific to a particular pretty new terminal, I thought it worth a heads-up at least.

Textual Diagnostics

Versions

Name	Value
Textual	2.0.4
Rich	13.9.4

Python

Name	Value
Version	3.13.2
Implementation	CPython
Compiler	Clang 16.0.0 (clang-1600.0.26.6)
Executable	/Users/davep/temp/x/.venv/bin/python

Operating System

Name	Value
System	Darwin
Release	24.3.0
Version	Darwin Kernel Version 24.3.0: Thu Jan 2 20:23:36 PST 2025; root:xnu-11215.81.4~3/RELEASE_ARM64_T8112

Terminal

Name	Value
Terminal Application	ghostty (1.1.2)
TERM	xterm-256color
COLORTERM	truecolor
FORCE_COLOR	Not set
NO_COLOR	Not set

Rich Console options

Name	Value
size	width=90, height=37
legacy_windows	False
min_width	1
max_width	90
is_terminal	False
encoding	utf-8
max_height	37
justify	None
overflow	None
no_wrap	False
highlight	None
markup	None
height	None

[willmcgugan]

Running with TEXTUAL_DEBUG=1 might give you some clues in keys.log

[davep]

Good call; if you don't get the chance before me I'll do that when I'm next at a desk with a free moment.

[davep]

Same environment as the initial report, started the application with the mouse cursor over the window, ran up the app, slowly moved the mouse cursor diagonally towards the top edge of the window and exited over the desktop, the notification displayed.

Here's the log:

keys.log

---
FEED '\x1b[I\x1b[?2026;2$y\x1b[?2048;2$y'
character='\x1b'
sequence='\x1b['
sequence='\x1b[I'
AppFocus()
character='\x1b'
sequence='\x1b['
sequence='\x1b[?'
sequence='\x1b[?2'
sequence='\x1b[?20'
sequence='\x1b[?202'
sequence='\x1b[?2026'
sequence='\x1b[?2026;'
sequence='\x1b[?2026;2'
sequence='\x1b[?2026;2$'
sequence='\x1b[?2026;2$y'
TerminalSupportsSynchronizedOutput()
character='\x1b'
sequence='\x1b['
sequence='\x1b[?'
sequence='\x1b[?2'
sequence='\x1b[?20'
sequence='\x1b[?204'
sequence='\x1b[?2048'
sequence='\x1b[?2048;'
sequence='\x1b[?2048;2'
sequence='\x1b[?2048;2$'
sequence='\x1b[?2048;2$y'
TerminalSupportInBandWindowResize(supported=True, enabled=False)
FEED '\x1b[48;68;153;1156;1377t'
character='\x1b'
sequence='\x1b['
sequence='\x1b[4'
sequence='\x1b[48'
sequence='\x1b[48;'
sequence='\x1b[48;6'
sequence='\x1b[48;68'
sequence='\x1b[48;68;'
sequence='\x1b[48;68;1'
sequence='\x1b[48;68;15'
sequence='\x1b[48;68;153'
sequence='\x1b[48;68;153;'
sequence='\x1b[48;68;153;1'
sequence='\x1b[48;68;153;11'
sequence='\x1b[48;68;153;115'
sequence='\x1b[48;68;153;1156'
sequence='\x1b[48;68;153;1156;'
sequence='\x1b[48;68;153;1156;1'
sequence='\x1b[48;68;153;1156;13'
sequence='\x1b[48;68;153;1156;137'
sequence='\x1b[48;68;153;1156;1377'
sequence='\x1b[48;68;153;1156;1377t'
Resize(size=Size(width=153, height=68), pixel_size=Size(width=1377, height=1156))
FEED '\x1b[<35;876;251M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;8'
sequence='\x1b[<35;87'
sequence='\x1b[<35;876'
sequence='\x1b[<35;876;'
sequence='\x1b[<35;876;2'
sequence='\x1b[<35;876;25'
sequence='\x1b[<35;876;251'
sequence='\x1b[<35;876;251M'
MouseMove(None, x=97.22222222222223, y=14.705882352941176, delta_x=97.22222222222223, delta_y=14.705882352941176)
FEED '\x1b[<35;879;249M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;8'
sequence='\x1b[<35;87'
sequence='\x1b[<35;879'
sequence='\x1b[<35;879;'
sequence='\x1b[<35;879;2'
sequence='\x1b[<35;879;24'
sequence='\x1b[<35;879;249'
sequence='\x1b[<35;879;249M'
MouseMove(None, x=97.55555555555556, y=14.588235294117647, delta_x=0.3333333333333286, delta_y=-0.117647058823529)
FEED '\x1b[<35;881;247M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;8'
sequence='\x1b[<35;88'
sequence='\x1b[<35;881'
sequence='\x1b[<35;881;'
sequence='\x1b[<35;881;2'
sequence='\x1b[<35;881;24'
sequence='\x1b[<35;881;247'
sequence='\x1b[<35;881;247M'
MouseMove(None, x=97.77777777777777, y=14.470588235294118, delta_x=0.22222222222221433, delta_y=-0.117647058823529)
FEED '\x1b[<35;884;245M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;8'
sequence='\x1b[<35;88'
sequence='\x1b[<35;884'
sequence='\x1b[<35;884;'
sequence='\x1b[<35;884;2'
sequence='\x1b[<35;884;24'
sequence='\x1b[<35;884;245'
sequence='\x1b[<35;884;245M'
MouseMove(None, x=98.11111111111111, y=14.352941176470589, delta_x=0.3333333333333428, delta_y=-0.117647058823529)
FEED '\x1b[<35;889;241M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;8'
sequence='\x1b[<35;88'
sequence='\x1b[<35;889'
sequence='\x1b[<35;889;'
sequence='\x1b[<35;889;2'
sequence='\x1b[<35;889;24'
sequence='\x1b[<35;889;241'
sequence='\x1b[<35;889;241M'
MouseMove(None, x=98.66666666666667, y=14.117647058823529, delta_x=0.5555555555555571, delta_y=-0.23529411764705976)
FEED '\x1b[<35;893;237M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;8'
sequence='\x1b[<35;89'
sequence='\x1b[<35;893'
sequence='\x1b[<35;893;'
sequence='\x1b[<35;893;2'
sequence='\x1b[<35;893;23'
sequence='\x1b[<35;893;237'
sequence='\x1b[<35;893;237M'
MouseMove(None, x=99.11111111111111, y=13.882352941176471, delta_x=0.44444444444444287, delta_y=-0.235294117647058)
FEED '\x1b[<35;899;233M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;8'
sequence='\x1b[<35;89'
sequence='\x1b[<35;899'
sequence='\x1b[<35;899;'
sequence='\x1b[<35;899;2'
sequence='\x1b[<35;899;23'
sequence='\x1b[<35;899;233'
sequence='\x1b[<35;899;233M'
MouseMove(None, x=99.77777777777777, y=13.647058823529411, delta_x=0.6666666666666572, delta_y=-0.23529411764705976)
FEED '\x1b[<35;905;229M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;90'
sequence='\x1b[<35;905'
sequence='\x1b[<35;905;'
sequence='\x1b[<35;905;2'
sequence='\x1b[<35;905;22'
sequence='\x1b[<35;905;229'
sequence='\x1b[<35;905;229M'
MouseMove(None, x=100.44444444444444, y=13.411764705882353, delta_x=0.6666666666666714, delta_y=-0.235294117647058)
FEED '\x1b[<35;910;225M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;91'
sequence='\x1b[<35;910'
sequence='\x1b[<35;910;'
sequence='\x1b[<35;910;2'
sequence='\x1b[<35;910;22'
sequence='\x1b[<35;910;225'
sequence='\x1b[<35;910;225M'
MouseMove(None, x=101.0, y=13.176470588235293, delta_x=0.5555555555555571, delta_y=-0.23529411764705976)
FEED '\x1b[<35;914;221M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;91'
sequence='\x1b[<35;914'
sequence='\x1b[<35;914;'
sequence='\x1b[<35;914;2'
sequence='\x1b[<35;914;22'
sequence='\x1b[<35;914;221'
sequence='\x1b[<35;914;221M'
MouseMove(None, x=101.44444444444444, y=12.941176470588236, delta_x=0.44444444444444287, delta_y=-0.235294117647058)
FEED '\x1b[<35;922;215M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;92'
sequence='\x1b[<35;922'
sequence='\x1b[<35;922;'
sequence='\x1b[<35;922;2'
sequence='\x1b[<35;922;21'
sequence='\x1b[<35;922;215'
sequence='\x1b[<35;922;215M'
MouseMove(None, x=102.33333333333333, y=12.588235294117647, delta_x=0.8888888888888857, delta_y=-0.35294117647058876)
FEED '\x1b[<35;928;210M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;92'
sequence='\x1b[<35;928'
sequence='\x1b[<35;928;'
sequence='\x1b[<35;928;2'
sequence='\x1b[<35;928;21'
sequence='\x1b[<35;928;210'
sequence='\x1b[<35;928;210M'
MouseMove(None, x=103.0, y=12.294117647058824, delta_x=0.6666666666666714, delta_y=-0.2941176470588225)
FEED '\x1b[<35;934;206M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;93'
sequence='\x1b[<35;934'
sequence='\x1b[<35;934;'
sequence='\x1b[<35;934;2'
sequence='\x1b[<35;934;20'
sequence='\x1b[<35;934;206'
sequence='\x1b[<35;934;206M'
MouseMove(None, x=103.66666666666667, y=12.058823529411764, delta_x=0.6666666666666714, delta_y=-0.23529411764705976)
FEED '\x1b[<35;942;201M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;94'
sequence='\x1b[<35;942'
sequence='\x1b[<35;942;'
sequence='\x1b[<35;942;2'
sequence='\x1b[<35;942;20'
sequence='\x1b[<35;942;201'
sequence='\x1b[<35;942;201M'
MouseMove(None, x=104.55555555555556, y=11.764705882352942, delta_x=0.8888888888888857, delta_y=-0.2941176470588225)
FEED '\x1b[<35;950;195M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;95'
sequence='\x1b[<35;950'
sequence='\x1b[<35;950;'
sequence='\x1b[<35;950;1'
sequence='\x1b[<35;950;19'
sequence='\x1b[<35;950;195'
sequence='\x1b[<35;950;195M'
MouseMove(None, x=105.44444444444444, y=11.411764705882353, delta_x=0.8888888888888857, delta_y=-0.35294117647058876)
FEED '\x1b[<35;959;189M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;95'
sequence='\x1b[<35;959'
sequence='\x1b[<35;959;'
sequence='\x1b[<35;959;1'
sequence='\x1b[<35;959;18'
sequence='\x1b[<35;959;189'
sequence='\x1b[<35;959;189M'
MouseMove(None, x=106.44444444444444, y=11.058823529411764, delta_x=1.0, delta_y=-0.35294117647058876)
FEED '\x1b[<35;968;182M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;96'
sequence='\x1b[<35;968'
sequence='\x1b[<35;968;'
sequence='\x1b[<35;968;1'
sequence='\x1b[<35;968;18'
sequence='\x1b[<35;968;182'
sequence='\x1b[<35;968;182M'
MouseMove(None, x=107.44444444444444, y=10.647058823529411, delta_x=1.0, delta_y=-0.41176470588235325)
FEED '\x1b[<35;979;174M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;97'
sequence='\x1b[<35;979'
sequence='\x1b[<35;979;'
sequence='\x1b[<35;979;1'
sequence='\x1b[<35;979;17'
sequence='\x1b[<35;979;174'
sequence='\x1b[<35;979;174M'
MouseMove(None, x=108.66666666666667, y=10.176470588235293, delta_x=1.2222222222222285, delta_y=-0.47058823529411775)
FEED '\x1b[<35;991;164M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;99'
sequence='\x1b[<35;991'
sequence='\x1b[<35;991;'
sequence='\x1b[<35;991;1'
sequence='\x1b[<35;991;16'
sequence='\x1b[<35;991;164'
sequence='\x1b[<35;991;164M'
MouseMove(None, x=110.0, y=9.588235294117647, delta_x=1.3333333333333286, delta_y=-0.5882352941176467)
FEED '\x1b[<35;999;157M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;9'
sequence='\x1b[<35;99'
sequence='\x1b[<35;999'
sequence='\x1b[<35;999;'
sequence='\x1b[<35;999;1'
sequence='\x1b[<35;999;15'
sequence='\x1b[<35;999;157'
sequence='\x1b[<35;999;157M'
MouseMove(None, x=110.88888888888889, y=9.176470588235293, delta_x=0.8888888888888857, delta_y=-0.41176470588235325)
FEED '\x1b[<35;1004;153M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;1'
sequence='\x1b[<35;10'
sequence='\x1b[<35;100'
sequence='\x1b[<35;1004'
sequence='\x1b[<35;1004;'
sequence='\x1b[<35;1004;1'
sequence='\x1b[<35;1004;15'
sequence='\x1b[<35;1004;153'
sequence='\x1b[<35;1004;153M'
MouseMove(None, x=111.44444444444444, y=8.941176470588236, delta_x=0.5555555555555571, delta_y=-0.235294117647058)
FEED '\x1b[<35;1008;150M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;1'
sequence='\x1b[<35;10'
sequence='\x1b[<35;100'
sequence='\x1b[<35;1008'
sequence='\x1b[<35;1008;'
sequence='\x1b[<35;1008;1'
sequence='\x1b[<35;1008;15'
sequence='\x1b[<35;1008;150'
sequence='\x1b[<35;1008;150M'
MouseMove(None, x=111.88888888888889, y=8.764705882352942, delta_x=0.44444444444444287, delta_y=-0.1764705882352935)
FEED '\x1b[<35;1009;149M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;1'
sequence='\x1b[<35;10'
sequence='\x1b[<35;100'
sequence='\x1b[<35;1009'
sequence='\x1b[<35;1009;'
sequence='\x1b[<35;1009;1'
sequence='\x1b[<35;1009;14'
sequence='\x1b[<35;1009;149'
sequence='\x1b[<35;1009;149M'
MouseMove(None, x=112.0, y=8.705882352941176, delta_x=0.11111111111111427, delta_y=-0.05882352941176627)
FEED '\x1b[<35;1015;144M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;1'
sequence='\x1b[<35;10'
sequence='\x1b[<35;101'
sequence='\x1b[<35;1015'
sequence='\x1b[<35;1015;'
sequence='\x1b[<35;1015;1'
sequence='\x1b[<35;1015;14'
sequence='\x1b[<35;1015;144'
sequence='\x1b[<35;1015;144M'
MouseMove(None, x=112.66666666666667, y=8.411764705882353, delta_x=0.6666666666666714, delta_y=-0.2941176470588225)
FEED '\x1b[<35;1016;144M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;1'
sequence='\x1b[<35;10'
sequence='\x1b[<35;101'
sequence='\x1b[<35;1016'
sequence='\x1b[<35;1016;'
sequence='\x1b[<35;1016;1'
sequence='\x1b[<35;1016;14'
sequence='\x1b[<35;1016;144'
sequence='\x1b[<35;1016;144M'
MouseMove(None, x=112.77777777777777, y=8.411764705882353, delta_x=0.11111111111110006)
FEED '\x1b[<35;1023;138M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;1'
sequence='\x1b[<35;10'
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sequence='\x1b[<35;1023;1'
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sequence='\x1b[<35;1023;138M'
MouseMove(None, x=113.55555555555556, y=8.058823529411764, delta_x=0.7777777777777857, delta_y=-0.35294117647058876)
FEED '\x1b[<35;1028;135M'
character='\x1b'
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sequence='\x1b[<35;1028;135M'
MouseMove(None, x=114.11111111111111, y=7.882352941176471, delta_x=0.5555555555555571, delta_y=-0.1764705882352935)
FEED '\x1b[<35;1033;131M'
character='\x1b'
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sequence='\x1b[<35;1033;131M'
MouseMove(None, x=114.66666666666667, y=7.647058823529412, delta_x=0.5555555555555571, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1036;128M'
character='\x1b'
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sequence='\x1b[<35;1036;1'
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sequence='\x1b[<35;1036;128M'
MouseMove(None, x=115.0, y=7.470588235294118, delta_x=0.3333333333333286, delta_y=-0.17647058823529438)
FEED '\x1b[<35;1042;123M'
character='\x1b'
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sequence='\x1b[<35;1042;123M'
MouseMove(None, x=115.66666666666667, y=7.176470588235294, delta_x=0.6666666666666714, delta_y=-0.2941176470588234)
FEED '\x1b[<35;1047;118M'
character='\x1b'
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sequence='\x1b[<35;1047;118M'
MouseMove(None, x=116.22222222222223, y=6.882352941176471, delta_x=0.5555555555555571, delta_y=-0.2941176470588234)
FEED '\x1b[<35;1053;112M'
character='\x1b'
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sequence='\x1b[<35;1053;112M'
MouseMove(None, x=116.88888888888889, y=6.529411764705882, delta_x=0.6666666666666572, delta_y=-0.35294117647058876)
FEED '\x1b[<35;1054;111M'
character='\x1b'
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sequence='\x1b[<35;1054;111M'
MouseMove(None, x=117.0, y=6.470588235294118, delta_x=0.11111111111111427, delta_y=-0.0588235294117645)
FEED '\x1b[<35;1064;100M'
character='\x1b'
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sequence='\x1b[<35;1064;100M'
MouseMove(None, x=118.11111111111111, y=5.823529411764706, delta_x=1.1111111111111143, delta_y=-0.6470588235294121)
FEED '\x1b[<35;1070;95M'
character='\x1b'
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MouseMove(None, x=118.77777777777777, y=5.529411764705882, delta_x=0.6666666666666572, delta_y=-0.2941176470588234)
FEED '\x1b[<35;1073;91M'
character='\x1b'
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MouseMove(None, x=119.11111111111111, y=5.294117647058823, delta_x=0.3333333333333428, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1077;86M'
character='\x1b'
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MouseMove(None, x=119.55555555555556, y=5.0, delta_x=0.44444444444444287, delta_y=-0.2941176470588234)
FEED '\x1b[<35;1081;82M'
character='\x1b'
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MouseMove(None, x=120.0, y=4.764705882352941, delta_x=0.44444444444444287, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1086;76M'
character='\x1b'
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MouseMove(None, x=120.55555555555556, y=4.411764705882353, delta_x=0.5555555555555571, delta_y=-0.35294117647058787)
FEED '\x1b[<35;1091;72M'
character='\x1b'
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MouseMove(None, x=121.11111111111111, y=4.176470588235294, delta_x=0.5555555555555571, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1096;66M'
character='\x1b'
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MouseMove(None, x=121.66666666666667, y=3.823529411764706, delta_x=0.5555555555555571, delta_y=-0.3529411764705883)
FEED '\x1b[<35;1100;61M'
character='\x1b'
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sequence='\x1b[<35;1100;61M'
MouseMove(None, x=122.11111111111111, y=3.5294117647058822, delta_x=0.44444444444444287, delta_y=-0.2941176470588238)
FEED '\x1b[<35;1106;55M'
character='\x1b'
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MouseMove(None, x=122.77777777777777, y=3.176470588235294, delta_x=0.6666666666666572, delta_y=-0.3529411764705883)
FEED '\x1b[<35;1110;49M'
character='\x1b'
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MouseMove(None, x=123.22222222222223, y=2.823529411764706, delta_x=0.4444444444444571, delta_y=-0.35294117647058787)
FEED '\x1b[<35;1113;47M'
character='\x1b'
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sequence='\x1b[<35;1113;47M'
MouseMove(None, x=123.55555555555556, y=2.7058823529411766, delta_x=0.3333333333333286, delta_y=-0.11764705882352944)
FEED '\x1b[<35;1117;42M'
character='\x1b'
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sequence='\x1b[<35;1117;42M'
MouseMove(None, x=124.0, y=2.411764705882353, delta_x=0.44444444444444287, delta_y=-0.2941176470588238)
FEED '\x1b[<35;1119;39M'
character='\x1b'
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sequence='\x1b[<35;1119;39M'
MouseMove(None, x=124.22222222222223, y=2.235294117647059, delta_x=0.22222222222222854, delta_y=-0.17647058823529393)
FEED '\x1b[<35;1123;35M'
character='\x1b'
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sequence='\x1b[<35;1123'
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sequence='\x1b[<35;1123;35M'
MouseMove(None, x=124.66666666666667, y=2.0, delta_x=0.44444444444444287, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1127;31M'
character='\x1b'
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sequence='\x1b[<35;1127'
sequence='\x1b[<35;1127;'
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sequence='\x1b[<35;1127;31M'
MouseMove(None, x=125.11111111111111, y=1.7647058823529411, delta_x=0.44444444444444287, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1131;26M'
character='\x1b'
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sequence='\x1b[<35;1131'
sequence='\x1b[<35;1131;'
sequence='\x1b[<35;1131;2'
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sequence='\x1b[<35;1131;26M'
MouseMove(None, x=125.55555555555556, y=1.4705882352941178, delta_x=0.44444444444444287, delta_y=-0.2941176470588234)
FEED '\x1b[<35;1135;22M'
character='\x1b'
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sequence='\x1b[<35;1135'
sequence='\x1b[<35;1135;'
sequence='\x1b[<35;1135;2'
sequence='\x1b[<35;1135;22'
sequence='\x1b[<35;1135;22M'
MouseMove(None, x=126.0, y=1.2352941176470589, delta_x=0.44444444444444287, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1139;18M'
character='\x1b'
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sequence='\x1b[<35;1139'
sequence='\x1b[<35;1139;'
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sequence='\x1b[<35;1139;18M'
MouseMove(None, x=126.44444444444444, y=1.0, delta_x=0.44444444444444287, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1143;14M'
character='\x1b'
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sequence='\x1b[<35;1143'
sequence='\x1b[<35;1143;'
sequence='\x1b[<35;1143;1'
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sequence='\x1b[<35;1143;14M'
MouseMove(None, x=126.88888888888889, y=0.7647058823529411, delta_x=0.44444444444444287, delta_y=-0.23529411764705888)
FEED '\x1b[<35;1146;10M'
character='\x1b'
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sequence='\x1b[<35;1146'
sequence='\x1b[<35;1146;'
sequence='\x1b[<35;1146;1'
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sequence='\x1b[<35;1146;10M'
MouseMove(None, x=127.22222222222223, y=0.5294117647058824, delta_x=0.3333333333333428, delta_y=-0.23529411764705876)
FEED '\x1b[<35;1147;10M'
character='\x1b'
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sequence='\x1b[<35;114'
sequence='\x1b[<35;1147'
sequence='\x1b[<35;1147;'
sequence='\x1b[<35;1147;1'
sequence='\x1b[<35;1147;10'
sequence='\x1b[<35;1147;10M'
MouseMove(None, x=127.33333333333333, y=0.5294117647058824, delta_x=0.11111111111110006)
FEED '\x1b[<35;1150;6M'
character='\x1b'
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sequence='\x1b[<35;115'
sequence='\x1b[<35;1150'
sequence='\x1b[<35;1150;'
sequence='\x1b[<35;1150;6'
sequence='\x1b[<35;1150;6M'
MouseMove(None, x=127.66666666666667, y=0.29411764705882354, delta_x=0.3333333333333428, delta_y=-0.23529411764705882)
FEED '\x1b[<35;1156;-1M'
character='\x1b'
sequence='\x1b['
sequence='\x1b[<'
sequence='\x1b[<3'
sequence='\x1b[<35'
sequence='\x1b[<35;'
sequence='\x1b[<35;1'
sequence='\x1b[<35;11'
sequence='\x1b[<35;115'
sequence='\x1b[<35;1156'
sequence='\x1b[<35;1156;'
sequence='\x1b[<35;1156;-'
sequence='\x1b[<35;1156;-1'
sequence='\x1b[<35;1156;-1M'
Key(key='escape', character='\x1b', name='escape', is_printable=False, aliases=['escape', 'ctrl+left_square_brace'])
REISSUE '[<35;1156;-1M'
Key(key='left_square_bracket', character='[', name='left_square_bracket', is_printable=True)
Key(key='less_than_sign', character='<', name='less_than_sign', is_printable=True)
Key(key='3', character='3', name='3', is_printable=True)
Key(key='5', character='5', name='5', is_printable=True)
Key(key='semicolon', character=';', name='semicolon', is_printable=True)
Key(key='1', character='1', name='1', is_printable=True)
Key(key='1', character='1', name='1', is_printable=True)
Key(key='5', character='5', name='5', is_printable=True)
Key(key='6', character='6', name='6', is_printable=True)
Key(key='semicolon', character=';', name='semicolon', is_printable=True)
Key(key='minus', character='-', name='minus', is_printable=True)
Key(key='1', character='1', name='1', is_printable=True)
Key(key='M', character='M', name='upper_m', is_printable=True)
FEED '\x1b[113;5u'
character='\x1b'
sequence='\x1b['
sequence='\x1b[1'
sequence='\x1b[11'
sequence='\x1b[113'
sequence='\x1b[113;'
sequence='\x1b[113;5'
sequence='\x1b[113;5u'
Key(key='ctrl+q', character=None, name='ctrl_q', is_printable=False)
FEED ''

[willmcgugan]

I can't repeat that with Ghosty 1.1.2. But I can see from the logs that when you move the mouse off the terminal it generates a y coordinate of -1. I'm almost certain negative coordinates are not permitted by the spec -- and don't make any sense anyway. I think this points towards a bug on Ghostty. What version are you running?

[willmcgugan]

Actually, now I can repeat it with 1.1.2

[davep]

What version are you running?

As given in the diagnostics I included: 1.1.2.

[darrenburns]

I think it's related to scrolling - just spotted something in Ghostty (1.1.2 too) that may be the same issue. If you focus an Input, move your cursor to near the edge of your app, scroll the mouse wheel a bit, and as you do that, move the cursor over the edge of the terminal window. You might see the input filling up like this:

I'm guessing the -2 and -3 are negative x-coords in this case?

[TomJGooding]

I went down a bit of a rabbit hole with this!

Interestingly, xterm also reports negative coordinates when using SGR-Pixels (1016), but only when clicking and dragging outside the terminal window. You can experiment with the mouse tracking by running:

echo -ne '\033[?1003;1016h' ; cat

From what I've read, it's not clear whether this was deliberate or just an oversight. Some consider negative coordinates a definite bug as it violates the standards (see comment).

---

However it sounds like this behaviour in ghostty is slightly different, which only occurs when the mouse is over the window title bar, if I've understood correctly? I don't have ghostty installed (yet) to test this myself, but it sounds worth reporting this to ghostty (if it hasn't been already) to get their take.

[darrenburns]

Interesting @TomJGooding - I also noticed (in Ghostty) if you write some text in an Input, then click and drag and move the cursor outside of the terminal window while dragging, the Input widget also fills up with the codes - which seems to align with what you said.

[TomJGooding]

For what it's worth, apparently urxvt also reports negative mouse coordinates when clicking and dragging outside the terminal window.

Maybe old urxvt is the only other outlier, but I thought worth flagging this isn't specific only to ghostty.

[davidfokkema]

Scrolling behaviour is also very erratic. If I run uvx textual-demo and scroll down a bit, the text jumps up and down and sometimes even ends up scrolling up in effect. Could this be something similar? Scrolling through a long list of output on the command-line does not show this behaviour.

[davep]

That sounds similar to what I've seen in other terminals; pretty sure kitty shows a similar effect.