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feat(window): recover off-screen position after display layout change

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Persisted ImGui window position can end up off-screen when the user
disconnects a monitor or changes display resolution between sessions.
The chat log window then renders outside the visible viewport with no
drag handles available, and the only recovery path is editing the JSON
config by hand.

This commit adds two layers of safety:

- Automatic one-shot bounds check on the first draw after plugin load.
  If less than 100x40 pixels of the saved window position overlap the
  primary viewport, the window snaps to a safe default offset
  (top-left + 50px). Logged at INF level so users can verify the
  recovery happened.
- Manual "Reset Window Position" button in Settings -> Window -> Frame
  as a deliberate escape hatch when anything else slips past the
  automatic check (different DPI scaling, viewport edge cases).

Pop-outs are intentionally not part of this recovery path: they are
non-persistent (cleared on plugin reload) and therefore cannot survive
a session boundary in an off-screen state.

Tested on Linux/Wayland (KAZAMA, Plasma, 3-monitor setup): hard-cut
test with both auxiliary monitors physically disconnected between
sessions reproduces the off-screen window before the patch and
recovers cleanly with this fix in place.
This commit is contained in:
Jon Kazama
2026-05-04 12:01:43 +02:00
parent 176474ec2a
commit 7012e8c0d8
5 changed files with 92 additions and 0 deletions
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HellionChat/Resources/HellionStrings.de.resx
+6
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@@ -591,6 +591,12 @@
<data name="Settings_Window_PopOutInputEnabled_Description" xml:space="preserve">
<value>Master-Switch: erlaubt direktes Tippen und Absenden in jedem Pop-Out-Fenster (inkl. Auto-Tell-Tabs). Channel-Wechsel im Pop-Out wirkt global wie im Hauptfenster; Text-Buffer und History-Cursor sind pro Pop-Out unabhängig.</value>
</data>
<data name="Settings_Window_ResetPosition_Name" xml:space="preserve">
<value>Fenster-Position zurücksetzen</value>
</data>
<data name="Settings_Window_ResetPosition_Description" xml:space="preserve">
<value>Holt das Chat-Fenster und alle aktiven Pop-Outs zurück in die linke obere Ecke des Hauptmonitors. Hilfreich wenn ein Fenster nach einem Display-Layout-Wechsel außerhalb des sichtbaren Bereichs gelandet ist (Monitor abgezogen, Auflösung geändert). Das Plugin macht außerdem einmal pro Session einen automatischen Bounds-Check, dieser Button ist der manuelle Notausgang falls trotzdem etwas unerreichbar bleibt.</value>
</data>
<data name="Popout_v060_HintText" xml:space="preserve">
<value>Neu in v0.6.0: Du kannst jetzt direkt im Pop-Out tippen. Master-Switch in den Fenster-Settings aktivieren.</value>
</data>