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  1. Qt
  2. QTBUG-141359

[regression] Maximized windows don't have maximal size after reconnecting larger monitor

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    • Icon: Bug Bug
    • Resolution: Incomplete
    • Icon: P1: Critical P1: Critical
    • None
    • 6.10.0
    • QPA: Wayland
    • None

      This is a regression from Qt 6.9.

      Steps to reproduce:
      1. Connect a second monitor with dimensions bigger than the current on
      2. Open a Qt-based application, move it to that monitor and maximise it
      3. Disconnect the monitor
      4. Reconnect the monitor

      I'm doing this with a dock station, so the output ports disappear.

      Actual results:
      Window is shown in maximised state, but does not cover the entire available screen real estate.

      Expected results:
      Window is maximised and cover the entire real estate of the monitor.

      Additional info:
      My set up is:

      • laptop monitor "eDP-1", 3840x2400 @ 250%
      • external monitor "DP-6", 3840x2100 @ 200%

      qtdiag says:

      Screens: 2, High DPI scaling: inactive
      # 0 "eDP-1" Depth: 32 Primary: yes
        Manufacturer: Sharp Corporation
        Model: eDP-1-0x14F8
        Serial number: 
        Geometry: 1536x960+0+0 Available: 1536x960+0+0
        Virtual geometry: 3243x960+0+0 Available: 3243x960+0+0
        2 virtual siblings
        Physical size: 288x180 mm  Refresh: 59.994 Hz Power state: 0
        Physical DPI: 135.467,135.467 Logical DPI: 96,96 Subpixel_None
        DevicePixelRatio: 3
        Primary orientation: 2 Orientation: 2 Native orientation: 0
      
      # 1 "DP-6" Depth: 32 Primary: no
        Manufacturer: Dell Inc.
        Model: DELL P2715Q
        Serial number: 
        Geometry: 1707x960+1536+0 Available: 1707x960+1536+0
        Virtual geometry: 3243x960+0+0 Available: 3243x960+0+0
        2 virtual siblings
        Physical size: 597x336 mm  Refresh: 29.981 Hz Power state: 0
        Physical DPI: 72.6261,72.5714 Logical DPI: 96,96 Subpixel_None
        DevicePixelRatio: 3
        Primary orientation: 2 Orientation: 2 Native orientation: 0
      

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            qt.team.graphics.and.multimedia Qt Graphics Team
            thiago Thiago Macieira
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              Created:
              Updated:
              Resolved:

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