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  1. Qt
  2. QTBUG-102122

[REG 6.2.3-6.2.4] Screens detection is broken

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Details

    • Bug
    • Resolution: Duplicate
    • P1: Critical
    • None
    • 6.2.4
    • GUI: Window management
    • None
    • Windows 10
    • Windows

    Description

      Since Qt 6.2.4 screens detection is broken - QGuiApplication::screens() always returns only 1 screen for multi-monitor environment.

      QtDiag 6.2.4 (full QtDiag_6.2.4.log ) - BAD

      Screens: 1, High DPI scaling: inactive
# 0 "DELL P2314H" Depth: 32 Primary: yes
  Manufacturer: 
  Model: 
  Serial number: 
  Geometry: 1920x1080+1920+0 Available: 1920x1040+1920+0
  Physical size: 509x286 mm  Refresh: 60 Hz Power state: 0
  Physical DPI: 95.8114,95.9161 Logical DPI: 96,96 Subpixel_None
  DevicePixelRatio: 1
  Primary orientation: 2 Orientation: 2 Native orientation: 0

      QtDiag 6.2.3 (full QtDiag_6.2.3.log ) - GOOD

      Screens: 2, High DPI scaling: inactive
# 0 "\\.\DISPLAY1" Depth: 32 Primary: yes
  Manufacturer: 
  Model: 
  Serial number: 
  Geometry: 1920x1080+0+0 Available: 1920x1040+0+0
  Virtual geometry: 3840x1080+0+0 Available: 3840x1040+0+0
  2 virtual siblings
  Physical size: 509x286 mm  Refresh: 60 Hz Power state: 0
  Physical DPI: 95.8114,95.9161 Logical DPI: 96,96 Subpixel_None
  DevicePixelRatio: 1
  Primary orientation: 2 Orientation: 2 Native orientation: 0

# 1 "\\.\DISPLAY2" Depth: 32 Primary: no
  Manufacturer: 
  Model: 
  Serial number: 
  Geometry: 1920x1080+1920+0 Available: 1920x1040+1920+0
  Virtual geometry: 3840x1080+0+0 Available: 3840x1040+0+0
  2 virtual siblings
  Physical size: 509x286 mm  Refresh: 60 Hz Power state: 0
  Physical DPI: 95.8114,95.9161 Logical DPI: 96,96 Subpixel_None
  DevicePixelRatio: 1
  Primary orientation: 2 Orientation: 2 Native orientation: 0

      Attachments

        1. QtDiag_6.3.0.log
          10 kB
        2. QtDiag_6.2.4.log
          9 kB
        3. QtDiag_6.2.3.log
          9 kB

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-101203 Windows: QWindowsScreenManager::handleScreenChanges treats screens with the same name as if they are the same physical device

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-101603 Screen not detected when 2 monitors of same model are connected

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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          Activity

            People

              owolff Oliver Wolff
              studiosus Vladimir Belyavsky
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              Dates

                Created:
                Updated:
                Resolved:

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