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Gtk and Qt applications are too large on a HiDPI screen [$25] #190

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iBelieve opened this issue Mar 12, 2016 · 6 comments
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Gtk and Qt applications are too large on a HiDPI screen [$25] #190

iBelieve opened this issue Mar 12, 2016 · 6 comments
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@plfiorini
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0.9.0

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@iBelieve
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Running the simple greenisland shell on top of GNOME/X11:

workspace 1_008

The cursor drawn by GreenIsland is also too large.

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@plfiorini
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What does weston-info and qtdiag say?

@plfiorini plfiorini added this to the Version 0.8.0 milestone Mar 13, 2016
@plfiorini plfiorini self-assigned this Mar 13, 2016
@iBelieve
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iBelieve commented Apr 7, 2016

Sorry for the late response. weston-info:

interface: 'wl_compositor', version: 3, name: 1
interface: 'wl_subcompositor', version: 1, name: 2
interface: 'wl_data_device_manager', version: 1, name: 3
interface: 'wl_shm', version: 1, name: 4
    formats: unknown(20203843) unknown(30335258) unknown(30335241) unknown(30334258) unknown(34324241) unknown(34324258) unknown(32315241) unknown(32315258) unknown(34324752) unknown(35315258) RGB565 ARGB8888 XRGB8888 XRGB8888 ARGB8888
interface: 'qt_hardware_integration', version: 1, name: 5
interface: 'wl_drm', version: 2, name: 6
interface: 'wl_seat', version: 4, name: 7
    name: (null)
    capabilities: pointer keyboard touch
    keyboard repeat rate: 40
    keyboard repeat delay: 400
interface: 'wl_output', version: 2, name: 8
    x: 0, y: 27, scale: 2,
    physical_width: 286 mm, physical_height: 179 mm,
    make: 'Green Island', model: 'eDP1',
    subpixel_orientation: none, output_transform: normal,
    mode:
        width: 1280 px, height: 773 px, refresh: 59 Hz,
        flags: current preferred
interface: 'wl_shell', version: 1, name: 9
interface: 'xdg_shell', version: 1, name: 10
interface: 'gtk_shell', version: 2, name: 11

qtdiag:

Qt 5.6.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 5.3.0) on "xcb" 
OS: Arch Linux [linux version 4.4.5-1-ARCH]

Architecture: x86_64; features: SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2

Environment:
  QML2_IMPORT_PATH="/home/mspencer/.local/lib/qt/qml/�:/home/mspencer/.local/lib/qt/qml/"
  QT_AUTO_SCREEN_SCALE_FACTOR="1"

Features: QT_NO_EXCEPTIONS QT_NO_ZLIB

Library info:
  PrefixPath: /usr
  DocumentationPath: /usr/share/doc/qt
  HeadersPath: /usr/include/qt
  LibrariesPath: /usr/lib
  LibraryExecutablesPath: /usr/lib/qt/libexec
  BinariesPath: /usr/lib/qt/bin
  PluginsPath: /usr/lib/qt/plugins
  ImportsPath: /usr/lib/qt/imports
  Qml2ImportsPath: /usr/lib/qt/qml
  ArchDataPath: /usr/lib/qt
  DataPath: /usr/share/qt
  TranslationsPath: /usr/share/qt/translations
  ExamplesPath: /usr/share/doc/qt/examples
  TestsPath: /usr/tests
  SettingsPath: /etc/xdg

Standard paths [*...* denote writable entry]:
  DesktopLocation: "Desktop" */home/mspencer/Desktop*
  DocumentsLocation: "Documents" */home/mspencer/Documents*
  FontsLocation: "Fonts" */home/mspencer/.fonts*
  ApplicationsLocation: "Applications" */home/mspencer/.local/share/applications* /home/mspencer/.local/share/xdg-app/exports/share/applications /usr/var/xdg-app/exports/share/applications /usr/local/share/applications /usr/share/applications
  MusicLocation: "Music" */home/mspencer/Music*
  MoviesLocation: "Movies" */home/mspencer/Videos*
  PicturesLocation: "Pictures" */home/mspencer/Pictures*
  TempLocation: "Temporary Directory" */tmp*
  HomeLocation: "Home" */home/mspencer*
  AppLocalDataLocation: "Application Data" */home/mspencer/.local/share/QtProject/qtdiag* /home/mspencer/.local/share/xdg-app/exports/share/QtProject/qtdiag /usr/var/xdg-app/exports/share/QtProject/qtdiag /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag
  CacheLocation: "Cache" */home/mspencer/.cache/QtProject/qtdiag*
  GenericDataLocation: "Shared Data" */home/mspencer/.local/share* /home/mspencer/.local/share/xdg-app/exports/share /usr/var/xdg-app/exports/share /usr/local/share /usr/share
  RuntimeLocation: "Runtime" */run/user/1000*
  ConfigLocation: "Configuration" */home/mspencer/.config* /etc/xdg
  DownloadLocation: "Download" */home/mspencer/Downloads*
  GenericCacheLocation: "Shared Cache" */home/mspencer/.cache*
  GenericConfigLocation: "Shared Configuration" */home/mspencer/.config* /etc/xdg
  AppDataLocation: "Application Data" */home/mspencer/.local/share/QtProject/qtdiag* /home/mspencer/.local/share/xdg-app/exports/share/QtProject/qtdiag /usr/var/xdg-app/exports/share/QtProject/qtdiag /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag
  AppConfigLocation: "Application Configuration" */home/mspencer/.config/QtProject/qtdiag* /etc/xdg/QtProject/qtdiag

File selectors (increasing order of precedence):
  en_US unix linux arch

Network:
  Using "OpenSSL 1.0.2g  1 Mar 2016", version: 0x1000207f

Platform capabilities: ThreadedPixmaps OpenGL WindowMasks MultipleWindows ForeignWindows NonFullScreenWindows NativeWidgets WindowManagement SyncState RasterGLSurface SwitchableWidgetComposition

Style hints:
  mouseDoubleClickInterval: 400
  mousePressAndHoldInterval: 800
  startDragDistance: 19
  startDragTime: 500
  startDragVelocity: 0
  keyboardInputInterval: 400
  keyboardAutoRepeatRate: 30
  cursorFlashTime: 1000
  showIsFullScreen: 0
  showIsMaximized: 0
  passwordMaskDelay: 0
  passwordMaskCharacter: U+2022
  fontSmoothingGamma: 1
  useRtlExtensions: 0
  setFocusOnTouchRelease: 0
  tabFocusBehavior: Qt::TabFocusBehavior(TabFocusAllControls) 
  singleClickActivation: 0

Additional style hints (QPlatformIntegration):
  ReplayMousePressOutsidePopup: 0

Theme:
  Available    : gtk2,gnome,generic
  Styles       : GTK+,fusion,windows
  Icon theme   : Paper, gnome from /home/mspencer/.icons,/home/mspencer/.local/share/xdg-app/exports/share/icons,/usr/share/icons,/usr/share/pixmaps

  System font  : "Cantarell" 11
  Native file dialog
  Native color dialog
  Native font dialog

Fonts:
  General font : "Cantarell" 11
  Fixed font   : "monospace" 11
  Title font   : "DejaVu Sans" 12
  Smallest font: "DejaVu Sans" 12

Screens: 1, High DPI scaling: active
# 0 "eDP1" Depth: 24 Primary: yes
  Geometry: 1280x800+0+0 (native: 2560x1600+0+0) Available: 1280x773+0+27
  Physical size: 286x179 mm  Refresh: 59 Hz Power state: 0
  Physical DPI: 113.678,113.52 Logical DPI: 96,96 (native: 192,192) Subpixel_None
  High DPI scaling factor: 2 DevicePixelRatio: 2 Pixel density: 2
  Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0

LibGL Vendor: Intel Open Source Technology Center
Renderer: Mesa DRI Intel(R) Haswell 
Version: 3.0 Mesa 11.1.2
Shading language: 1.30
Format: Version: 3.0 Profile: 0 Swap behavior: 0 Buffer size (RGB): 8,8,8

This is with QT_AUTO_SCREEN_SCALE_FACTOR=1. Without that, everything is too small.

@plfiorini plfiorini changed the title Gtk and Qt applications are too large on a HiDPI screen Gtk and Qt applications are too large on a HiDPI screen [$25] Apr 7, 2016
@iBelieve
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@plfiorini Any idea when you'll be able to fix this?

@plfiorini
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Wayland clients are scaled by 2 for sure because the compositor reports scale 2 passed from the underlying windowing system (X11).

Not sure if XOrg then rescale the Green Island window by 2 making everything big.

@plfiorini plfiorini modified the milestones: Version 0.9.0, Version 0.8.0 Apr 27, 2016
@plfiorini plfiorini mentioned this issue Aug 2, 2016
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@plfiorini plfiorini added the bug label Aug 3, 2016
@plfiorini
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Looks like there's a bug in how QtWaylandCompositor manages quick surface size.
I have a patch that fixes the size but it doesn't fix coordinates yet.

plfiorini added a commit that referenced this issue Aug 14, 2016
@plfiorini
Scale surface items by the buffer scale
3088e0a 
As reported here [1] with a compositor that properly
handles HiDPI, surface item size is not scaled at all
resulting in windows twice the size on Retina.

Issue: #190
Issue: #218

[1] = https://bugreports.qt.io/browse/QTBUG-55303
@plfiorini
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Fixed

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