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dCore LXQt Guide

LXQt was briefly tested in dCore-xenial and observed to provide a stable environment. Note LXQt is relatively new and is undergoing active development. The following guide provides useful installation and configuration information as well as known issues.

LXQt Installation

Suggested imports (via sce-import -b or sce-import -bl) to load at boot:

  • lxqt: Desktop Environment and utilities
  • lxde-icon-theme: proper icons in PCManFM
  • obconf-qt: easy GUI desktop configuration utility
  • obmenu: easy GUI menu utility
  • kscreen: easy GUI monitor settings

By default the LXQt import installs:

  • lxqt openbox environment
  • lxqt-panel
  • pcmanfm-qt
  • QTerminal
  • Xarchiver
  • LXImage
  • Screenshot

Use the boot code lxqt-session to launch the LXQt environment at boot.

Configuration

Create ~/.X.d/startups file containing the following to launch panel at boot:

lxqt-panel &

Right-click lxqt-panel to configure the panel. Note lxqt-panel start menu → System Tools auto-populates with important dCore specific menu items, including control panel, exit, FLTK-editor, mount tool, run program, sce-import, set time, top, xkill and aterm.

Launch pcmanfm-qt from lxqt-panel start → Accessories → PCManFM File Manager. To launch pcmanfm-qt from a terminal or custom menu entry use:

dbus-run-session pcmanfm-qt

Open pcmanfm-qt as above and select Edit → Preferences → Display → Icon Theme → select nuoveXT.2.2 → click OK.

Create a ~/Desktop directory or pcmanfm-qt → Places → Desktop causes crash.

Executables, icons and desktop files can be dragged from pcmanfm-qt to the panel quick launch area, usually located in /usr/share/applications.

Modify /home/tc/.config/openbox/rc.xml to configure keyboard/mouse preferences.

Run obmenu to configure right-click menu, creates ~/.config/openbox/menu.xml.

Use obmenu to change the obconf menu entry to obconf-qt.

Use obmenu to delete the exit entry and replace with exittc.

Run obconf-qt to change various environment preferences.

After making configuration changes, right-click desktop and select restart from menu to activate changes.

Add additional menu items as desired. Note dCore SCEs placed in OnDemand can be launched directly from the menu provided the SCE name is the same as the executable. Launching an OnDemand application will automatically load then launch the extension without the need to use the sce-load command or rely on a built-in dCore OnDemand menu.

Numerous additional configuration options are available from the Preferences menu, including the LXQt Configuration Center.

Issues

Minor issues were noted during brieft testing although these items did not appear to affect LXQt stability or functionality. It should also be noted that not all built-in LXQt applicatons and helper utilies were tested.

Icon issues: Despite installing lxde-icon-theme and configuring pcmanfm-qt, proper icons did not appear when opening Preferences → LXQt Configuration Center. Either an LXQt bug or additional configuration required.

Monitor Settings:

Most helper utilities opened and appeared functional, including Appearance, Date and Time, Desktop, Desktop Notifications, File Associations, Keyboard and Mouse, LXQt Configuration Center, Locale, Power Management Settings, Session Settings, Shortcut Keys, Users and Groups.

no work Monitor Settings

: -right-clicking lxqt-panel to configure, icons not properly displayed, rely on hover text for information

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