Switcher is a KRunner addon, that allows fast-switching of windows by typing a dot and the application name or title, e.g. ".emacs"
Debian/Ubuntu:
sudo apt install cmake extra-cmake-modules build-essential libkf5runner-dev libkf5textwidgets-dev qtdeclarative5-dev gettext libqt5x11extras5-dev libxcb-randr0-dev
openSUSE:
sudo zypper install cmake extra-cmake-modules libQt5Widgets5 libQt5Core5 libqt5-qtlocation-devel ki18n-devel ktextwidgets-devel kservice-devel krunner-devel gettext-tools
Fedora:
sudo dnf install cmake extra-cmake-modules kf5-ki18n-devel kf5-kservice-devel kf5-krunner-devel kf5-ktextwidgets-devel gettext
mkdir build
cd build
cmake -DQT_PLUGIN_INSTALL_DIR=`kf5-config --qt-plugins` -DCMAKE_BUILD_TYPE=Release ..
make
sudo make install
kquitapp5 krunner 2> /dev/null; kstart5 --windowclass krunner krunner > /dev/null 2>&1 &
