Yakuake

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Yakuake is a top-down terminal for KDE in the style of Guake for GNOME, Tilda or the terminal used in Quake.

Installation

Install the yakuake package.

Usage

Once installed, you can start Yakuake from the terminal with:

$ yakuake

After Yakuake has started you can click on configure Yakuake by clicking on the Open Menu button (middle button on the bottom right hand side of the interface) and select Configure Shortcuts to change the hotkey to drop/retract the terminal automatically, by default it is set to F12.

Configuration

Background transparency and blur on Plasma

While most configuration options can be changed from Yakuake GUI, there are some options only accessible from modifying the configuration file, e.g. the option to use blur background under Plasma.

Note: Enabling the Blur background option in Yakuake's Konsole profile will not enable blur for Yakuake's window, and will show a warning as Konsole was started before desktop effects were enabled. You need to restart Konsole to see transparent background.. There are bug reports on upstream about this warning . The warning is somewhat misleading because Yakuake uses KonsolePart which does not have support for blur/transparency, but Yakuake itself can apply such effects to its window.

In order to apply blur background for Yakuake, edit the following file:

~/.config/yakuakerc

[Appearance]
Blur=true
Translucency=true

Then restart Yakuake to apply the change.

Yakuake scripting

Like Guake, Yakuake allows to control itself at runtime by sending the D-Bus messages. Thus it can be used to start Yakuake in a user defined session. You can create tabs, assign names for them and also ask to run any specific command in any opened tab or just to show/hide Yakuake window, manually in a terminal or by creating a custom script for it.

Example of such a script is given below. This includes opening tabs, renaming tabs, splitting shells, and running commands.

#!/bin/bash
# Starting Yakuake based on user preferences. Information based on https://forums.gentoo.org/viewtopic-t-873915-start-0.html
# Adding sessions from previous website is broken, use this: http://pawelkoston.pl/blog/sublime-text-3-cheatsheet-modules-web-develpment/

# This line is needed in case Yakuake does not accept fcitx inputs.
/usr/bin/yakuake --im /usr/bin/fcitx --inputstyle onthespot &

# gives Yakuake a couple seconds before sending dbus commands
sleep 2      
                                                 
# Start htop in tab and split to user terminal and run iotop                                                        
TERMINAL_ID_0=$(qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.terminalIdsForSessionId 0)
qdbus org.kde.yakuake /yakuake/tabs setTabTitle 0 "user"
qdbus org.kde.yakuake /yakuake/sessions runCommandInTerminal 0 "htop"
qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.splitTerminalLeftRight "$TERMINAL_ID_0"
qdbus org.kde.yakuake /yakuake/sessions runCommandInTerminal 1 "iotop

# Start split root sessions (password prompt) top and bottom                                                                                
SESSION_ID_1=$(qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.addSession)
TERMINAL_ID_1=$(qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.terminalIdsForSessionId "$SESSION_ID_1")
qdbus org.kde.yakuake /yakuake/tabs setTabTitle 1 "root"
qdbus org.kde.yakuake /yakuake/sessions runCommandInTerminal 2 "su"
qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.splitTerminalTopBottom "$TERMINAL_ID_1"
qdbus org.kde.yakuake /yakuake/sessions runCommandInTerminal 3 "su" 

# Start irssi in its own tab.                                                                                          
qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.addSession
qdbus org.kde.yakuake /yakuake/tabs setTabTitle 2 "irssi"
qdbus org.kde.yakuake /yakuake/sessions runCommandInTerminal 4 "ssh home -t 'tmux attach -t irssi; bash -l'" 

# Start split ssh shells in own tab.                                                                                   
SESSION_ID_2=$(qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.addSession)
TERMINAL_ID_2=$(qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.terminalIdsForSessionId "$SESSION_ID_2")
qdbus org.kde.yakuake /yakuake/tabs setTabTitle 3 "work server"
qdbus org.kde.yakuake /yakuake/sessions runCommandInTerminal 5 "ssh work"
qdbus org.kde.yakuake /yakuake/sessions org.kde.yakuake.splitTerminalLeftRight "$TERMINAL_ID_2"
qdbus org.kde.yakuake /yakuake/sessions runCommandInTerminal 6 "ssh work"

dbus-send instead of qdbus

You can replace qdbus bundled with Qt with more common dbus-send. For example, to show/hide Yakuake:

$ dbus-send --type=method_call --dest=org.kde.yakuake /yakuake/window org.kde.yakuake.toggleWindowState

Troubleshooting

True-color programs do not display correctly

See Konsole#True-color programs do not display correctly.