Merge pull request #140 from nwg-piotr/diamond

Migrate to diamondburned gtk3 bindings

.github/FUNDING.yml

@@ -0,0 +1,2 @@
+github: nwg-piotr
+liberapay: nwg

.gitignore

@@ -18,4 +18,4 @@ nwg-drawer
 /.idea
 
 # Dependency directories (remove the comment below to include it)
-# vendor/
+vendor/

Makefile

@@ -1,24 +1,28 @@
 get:
-	go get github.com/gotk3/gotk3
+	go get github.com/diamondburned/gotk4/pkg/gdk/v3
-	go get github.com/gotk3/gotk3/gdk
+	go get github.com/diamondburned/gotk4/pkg/glib/v2
-	go get github.com/gotk3/gotk3/glib
+	go get github.com/diamondburned/gotk4/pkg/gtk/v3
-	go get github.com/dlasky/gotk3-layershell/layershell
+	go get github.com/diamondburned/gotk4-layer-shell/pkg/gtklayershell
 	go get github.com/joshuarubin/go-sway
 	go get github.com/allan-simon/go-singleinstance
-	go get "github.com/sirupsen/logrus"
+	go get github.com/sirupsen/logrus
 	go get github.com/fsnotify/fsnotify
 
 build:
-	go build -o bin/nwg-drawer .
+	go build -v -o bin/nwg-drawer .
 
 install:
 	-pkill -f nwg-drawer
 	sleep 1
 	mkdir -p /usr/share/nwg-drawer
 	cp -r desktop-directories /usr/share/nwg-drawer
+	cp -r img /usr/share/nwg-drawer
 	cp drawer.css /usr/share/nwg-drawer
 	cp bin/nwg-drawer /usr/bin
 
+	install -Dm 644 -t "/usr/share/licenses/nwg-drawer" LICENSE
+	install -Dm 644 -t "/usr/share/doc/nwg-drawer" README.md
+
 uninstall:
 	rm -r /usr/share/nwg-drawer
 	rm /usr/bin/nwg-drawer

README.md

@@ -1,38 +1,33 @@
-# nwg-drawer
+<img src="https://github.com/nwg-piotr/nwg-drawer/assets/20579136/1a7578e8-5332-4e4c-bdce-9b9bf875c0e7" width="90" style="margin-right:10px" align=left alt="logo">
+<H1>nwg-drawer</H1><br>
 
-This application is a part of the [nwg-shell](https://github.com/nwg-piotr/nwg-shell) project.
+This application is a part of the [nwg-shell](https://nwg-piotr.github.io/nwg-shell) project.
 
-Nwg-drawer is a golang replacement to the `nwggrid` command
+**Nwg-drawer** is an application launcher. It's being developed with [sway](https://github.com/swaywm/sway) and 
-(a part of [nwg-launchers](https://github.com/nwg-piotr/nwg-launchers)). It's being developed with
+[Hyprland](https://github.com/hyprwm/Hyprland) in mind, but should also work with other wlroots-based Wayland 
-[sway](https://github.com/swaywm/sway) in mind, but should also work with other wlroots-based Wayland compositors.
+compositors.
-X Window System is not officially supported, but you should be able to use the drawer on some floating
-window managers (tested on Openbox).
 
 The `nwg-drawer` command displays the application grid. The search entry allows to look for installed applications,
 and for files in XDG user directories. The grid view may also be filtered by categories.
 
 You may pin applications by right-clicking them. Pinned items will appear above the application grid. Right-click
-a pinned item to unpin it. The pinned items cache is shared with [nwg-menu](https://github.com/nwg-piotr/nwg-menu)
+a pinned item to unpin it. The pinned items cache is shared with [nwg-menu](https://github.com/nwg-piotr/nwg-menu).
-and `nwggrid`.
 
-![screenshot.png](https://raw.githubusercontent.com/nwg-piotr/nwg-shell-resources/master/images/nwg-shell/nwg-drawer.png)
+Below the grid there is the **power bar** - a row of buttons to lock the screen, exit the compositor, reboot, suspend 
+and power the machine off. For each button to appear, you need to provide a corresponding command. See "Command line 
+arguments" below. If the power bar is present, pressing **Tab** will move focus to its first button.
 
-[see on YouTube](https://youtu.be/iIgxJQhCQf0)
+<img src="https://github.com/nwg-piotr/nwg-drawer/assets/20579136/8f4eacb4-5395-4350-889b-a9037aa34f08" width=640 alt="screenshot"><br>
 
-[![Packaging status](https://repology.org/badge/vertical-allrepos/nwg-drawer.svg)](https://repology.org/project/nwg-drawer/versions)
+To close the window w/o running a program, you may use the `Esc` key, or right-click the window next to the grid.
-
-To close the window w/o running a program, you may use `Esc` key, or right-click the window next to the icons.
-
-## v0.2.x note
-
-1. Placing config files in the nwg-panel config directory was a mistake, sorry. The 0.2.0 version migrates them to `~/.config/nwg-drawer`.
-2. From now on you may run the program residently, which should speed it up (but also occupy some resources!). See "Running" below.
 
 ## Installation
 
+[![Packaging status](https://repology.org/badge/vertical-allrepos/nwg-drawer.svg)](https://repology.org/project/nwg-drawer/versions)
+
 ### Dependencies
 
-- go >=1.16 (just to build)
+- go
 - gtk3
 - gtk-layer-shell
 - xdg-utils
@@ -59,6 +54,8 @@ $ nwg-drawer -h
 Usage of nwg-drawer:
   -c uint
     	number of Columns (default 6)
+  -close
+    	close drawer of existing instance
   -d	Turn on Debug messages
   -fm string
     	File Manager (default "thunar")
@@ -66,35 +63,66 @@ Usage of nwg-drawer:
     	File Search result COLumns (default 2)
   -fslen int
     	File Search name LENgth Limit (default 80)
+  -ft
+    	Force Theme for libadwaita apps, by adding 'GTK_THEME=<default-gtk-theme>' env var
   -g string
-    	GTK theme name, eg. "Adwaita-dark"
+    	GTK theme name
+  -i string
+    	GTK icon theme name
   -is int
     	Icon Size (default 64)
+  -k	set GTK layer shell Keyboard interactivity to 'on-demand' mode
   -lang string
     	force lang, e.g. "en", "pl"
+  -mb int
+    	Margin Bottom
+  -ml int
+    	Margin Left
+  -mr int
+    	Margin Right
+  -mt int
+    	Margin Top
   -nocats
     	Disable filtering by category
   -nofs
     	Disable file search
   -o string
-    	name of the Output to display the drawer on (sway only)
+    	name of the Output to display the drawer on (sway & Hyprland only)
+  -open
+    	open drawer of existing instance
   -ovl
     	use OVerLay layer
+  -pbexit string
+    	command for the Exit power bar icon
+  -pblock string
+    	command for the Lock power bar icon
+  -pbpoweroff string
+    	command for the Poweroff power bar icon
+  -pbreboot string
+    	command for the Reboot power bar icon
+  -pbsize int
+    	power bar icon size (only works w/ built-in icons) (default 64)
+  -pbsleep string
+    	command for the sleep power bar icon
+  -pbuseicontheme
+    	use icon theme instead of built-in icons in power bar
   -r	Leave the program resident in memory
   -s string
     	Styling: css file name (default "drawer.css")
   -spacing uint
     	icon spacing (default 20)
   -term string
-    	Terminal emulator (default "alacritty")
+    	Terminal emulator (default "foot")
   -v	display Version information
+  -wm string
+    	use swaymsg exec (with 'sway' argument) or hyprctl dispatch exec (with 'hyprland') to launch programs
   ```
 
-  *NOTE: the `$TERM` environment variable overrides the `-term` argument if defined.*
+  *NOTE: the `$TERM` environment variable overrides the `-term` argument.*
 
 ## Running
 
-Since v0.2.x you may use the drawer in two ways:
+You may use the drawer in two ways:
 
 1. Simply run the `nwg-drawer` command, by adding a key binding to your sway config file, e.g.:
 
@@ -113,7 +141,16 @@ The second line does nothing but `pkill -USR1 nwg-drawer`, so you may just use t
 this should be a little bit faster.
 
 Running a resident instance should speed up use of the drawer significantly. Pay attention to the fact, that you
-need to `pkill -f nwg-drawer` and reload sway to apply any new arguments!
+need to `pkill -f nwg-drawer` and reload the compositor to apply any new arguments!
+
+If you want to explicitly specify commands to open and close the resident instance, which can be helpful for touchpad gestures, please use the `-open` and `-close` parameters. Similarly, some signals can also be use: pkill -USR2 nwg-drawer to open and pkill -SIGRTMIN+3 nwg-drawer to close.
+
+For a MacOS-style three-finger pinch:
+
+```text
+bindgesture pinch:4:inward exec pkill -SIGUSR2 nwg-drawer
+bindgesture pinch:4:outward exec pkill -SIGRTMIN+3 nwg-drawer
+```
 
 ## Logging
 
@@ -130,14 +167,12 @@ exit sway, launch it again and include the `drawer.log` content in the GitHub is
 
 Edit `~/.config/nwg-drawer/drawer.css` to your taste.
 
-## Files
+## File search
 
 When the search phrase is at least 3 characters long, your XDG user directories are being searched.
 
-![screenshot-02.png](https://raw.githubusercontent.com/nwg-piotr/nwg-shell/main/images/nwg-drawer/search.png)
-
 Use the **left mouse button** to open a file with the `xdg-open` command. As configuring file associations for it is
-PITA, you may override them, by creating the `~/.config/nwg-panel/preferred-apps.json` file with your own definitions.
+PITA, you may override them, by creating the `~/.config/nwg-drawer/preferred-apps.json` file with your own definitions.
 
 ### Sample `preferred-apps.json` file content
 
@@ -145,7 +180,7 @@ PITA, you may override them, by creating the `~/.config/nwg-panel/preferred-apps
 {
   "\\.pdf$": "atril",
   "\\.svg$": "inkscape",
-  "\\.(jpg|png|tiff|gif)$": "feh",
+  "\\.(jpg|png|tiff|gif)$": "swayimg",
   "\\.(mp3|ogg|flac|wav|wma)$": "audacious",
   "\\.(avi|mp4|mkv|mov|wav)$": "mpv",
   "\\.(doc|docx|xls|xlsx)$": "libreoffice"
@@ -164,21 +199,36 @@ I've noy yet tried other file managers.
 ### File search exclusions
 
 You may want to exclude some paths inside your XDG user directories from searching. If so, define exclusions in the
-`~/.config/nwg-panel/excluded-dirs` file, e.g. like this:
+`~/.config/nwg-drawer/excluded-dirs` file, e.g. like this:
 
 ```text
 # exclude all paths containing 'node_modules'
 node_modules
 ```
 
+### Calculations in the search box
+
+If the search box is not empty, and you press Enter, the search box content will be evaluated as an arithmetic operation.
+If the result is not an error, it will be displayed in a small window, and copied to the clipboard with wl-copy.
+Press any key to close the window.
+
+You may change the result label styling e.g. like this:
+
+```css
+/* math operation result label */
+#math-label {
+    font-weight: bold;
+    font-size: 16px
+}
+```
+
 ## Credits
 
 This program uses some great libraries:
 
-- [gotk3](https://github.com/gotk3/gotk3) Copyright (c) 2013-2014 Conformal Systems LLC,
+- [gotk4](https://github.com/diamondburned/gotk4) by [diamondburned](https://github.com/diamondburned) released under [GNU Affero General Public License v3.0](https://github.com/diamondburned/gotk4/blob/4/LICENSE.md)
-Copyright (c) 2015-2018 gotk3 contributors
-- [gotk3-layershell](https://github.com/dlasky/gotk3-layershell) by [@dlasky](https://github.com/dlasky/gotk3-layershell/commits?author=dlasky) - many thanks for writing this software, and for patience with my requests!
 - [go-sway](https://github.com/joshuarubin/go-sway) Copyright (c) 2019 Joshua Rubin
 - [go-singleinstance](github.com/allan-simon/go-singleinstance) Copyright (c) 2015 Allan Simon
 - [logrus](https://github.com/sirupsen/logrus) Copyright (c) 2014 Simon Eskildsen
 - [fsnotify](https://github.com/fsnotify/fsnotify) Copyright (c) 2012-2019 fsnotify Authors
+- [expr](https://github.com/expr-lang/expr) Copyright (c) 2018 Anton Medvedev

drawer.css

@@ -1,5 +1,5 @@
 window {
-    background-color: rgba (36, 47, 79, 0.95);
+    background-color: rgba(36, 47, 79, 0.95);
     color: #eeeeee
 }
 
@@ -32,3 +32,9 @@ button:hover {
     border: 1px dotted gray;
     border-radius: 15px
 }
+
+/* math operation result label */
+#math-label {
+    font-weight: bold;
+    font-size: 16px
+}

go.mod

@@ -1,20 +1,22 @@
 module github.com/nwg-piotr/nwg-drawer
 
-go 1.18
+go 1.23
 
 require (
 	github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37
-	github.com/dlasky/gotk3-layershell v0.0.0-20210827021656-e6ecab2731f7
+	github.com/diamondburned/gotk4-layer-shell/pkg v0.0.0-20240109211357-6efa9f6dc438
-	github.com/fsnotify/fsnotify v1.5.1
+	github.com/diamondburned/gotk4/pkg v0.3.1
-	github.com/gotk3/gotk3 v0.6.1
+	github.com/expr-lang/expr v1.16.9
-	github.com/joshuarubin/go-sway v0.0.4
+	github.com/fsnotify/fsnotify v1.8.0
-	github.com/sirupsen/logrus v1.8.1
+	github.com/joshuarubin/go-sway v1.2.0
+	github.com/sirupsen/logrus v1.9.3
 )
 
 require (
-	github.com/joshuarubin/lifecycle v1.0.0 // indirect
+	github.com/KarpelesLab/weak v0.1.1 // indirect
-	go.uber.org/atomic v1.3.2 // indirect
+	github.com/joshuarubin/lifecycle v1.1.4 // indirect
-	go.uber.org/multierr v1.1.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/sync v0.0.0-20190412183630-56d357773e84 // indirect
+	go4.org/unsafe/assume-no-moving-gc v0.0.0-20231121144256-b99613f794b6 // indirect
-	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
+	golang.org/x/sync v0.9.0 // indirect
+	golang.org/x/sys v0.27.0 // indirect
 )

go.sum

@@ -1,32 +1,50 @@
+github.com/KarpelesLab/weak v0.1.1 h1:fNnlPo3aypS9tBzoEQluY13XyUfd/eWaSE/vMvo9s4g=
+github.com/KarpelesLab/weak v0.1.1/go.mod h1:pzXsWs5f2bf+fpgHayTlBE1qJpO3MpJKo5sRaLu1XNw=
 github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37 h1:28uU3TtuvQ6KRndxg9TrC868jBWmSKgh0GTXkACCXmA=
 github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37/go.mod h1:6AXRstqK+32jeFmw89QGL2748+dj34Av4xc/I9oo9BY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dlasky/gotk3-layershell v0.0.0-20210827021656-e6ecab2731f7 h1:LDo0kwt+oW9a4lWlj2OakIgMW1ySXXVRGFt8GHUdYYA=
+github.com/diamondburned/gotk4-layer-shell/pkg v0.0.0-20240109211357-6efa9f6dc438 h1:Ymnl4B+Fn4srLxXbRV2RY1iHT2SH3oAkOfxeEeMI3Fg=
-github.com/dlasky/gotk3-layershell v0.0.0-20210827021656-e6ecab2731f7/go.mod h1:JHLx2Wz4mAPVwn4PFhC69ydwyHP4A3wQvlg7HKVVc1U=
+github.com/diamondburned/gotk4-layer-shell/pkg v0.0.0-20240109211357-6efa9f6dc438/go.mod h1:AjrxxF6teeNWgaEg0zIUwoqFtXlVTHlEGZvrOn7RXaQ=
-github.com/fsnotify/fsnotify v1.5.1 h1:mZcQUHVQUQWoPXXtuf9yuEXKudkV2sx1E06UadKWpgI=
+github.com/diamondburned/gotk4/pkg v0.3.1 h1:uhkXSUPUsCyz3yujdvl7DSN8jiLS2BgNTQE95hk6ygg=
-github.com/fsnotify/fsnotify v1.5.1/go.mod h1:T3375wBYaZdLLcVNkcVbzGHY7f1l/uK5T5Ai1i3InKU=
+github.com/diamondburned/gotk4/pkg v0.3.1/go.mod h1:DqeOW+MxSZFg9OO+esk4JgQk0TiUJJUBfMltKhG+ub4=
-github.com/gotk3/gotk3 v0.6.1 h1:GJ400a0ecEEWrzjBvzBzH+pB/esEMIGdB9zPSmBdoeo=
+github.com/expr-lang/expr v1.16.9 h1:WUAzmR0JNI9JCiF0/ewwHB1gmcGw5wW7nWt8gc6PpCI=
-github.com/gotk3/gotk3 v0.6.1/go.mod h1:/hqFpkNa9T3JgNAE2fLvCdov7c5bw//FHNZrZ3Uv9/Q=
+github.com/expr-lang/expr v1.16.9/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
-github.com/joshuarubin/go-sway v0.0.4 h1:dpmIwQ/LytG+oMrjmaVKdk1aPdW2feXK/+wAcLKIx4A=
+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
-github.com/joshuarubin/go-sway v0.0.4/go.mod h1:qcDd6f25vJ0++wICwA1BainIcRC67p2Mb4lsrZ0k3/k=
+github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
-github.com/joshuarubin/lifecycle v1.0.0 h1:N/lPEC8f+dBZ1Tn99vShqp36LwB+LI7XNAiNadZeLUQ=
+github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
+github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
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 github.com/joshuarubin/lifecycle v1.0.0/go.mod h1:sRy++ATvR9Ee21tkRdFkQeywAWvDsue66V70K0Dnl54=
+github.com/joshuarubin/lifecycle v1.1.4 h1:9ZjvYSsWax9DC3Jpz6vGf/0KnU8FNMjh0/vJ3SpSBRQ=
+github.com/joshuarubin/lifecycle v1.1.4/go.mod h1:QqHrqwMPMA9dbJY3XgIyVLhzHMSGOFrcCAQ59bke1mo=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
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-github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
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 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-go.uber.org/atomic v1.3.2 h1:2Oa65PReHzfn29GpvgsYwloV9AVFHPDk8tYxt2c2tr4=
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 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
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 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
-golang.org/x/sync v0.0.0-20190412183630-56d357773e84 h1:IqXQ59gzdXv58Jmm2xn0tSOR9i6HqroaOFRQ3wR/dJQ=
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+go4.org/unsafe/assume-no-moving-gc v0.0.0-20231121144256-b99613f794b6/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
 golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sync v0.9.0 h1:fEo0HyrW1GIgZdpbhCRO0PkJajUS5H9IFUztCgEo2jQ=
+golang.org/x/sync v0.9.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
+golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

img/exit.svg

@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   id="svg8"
+   version="1.1"
+   viewBox="0 0 48 48"
+   height="48"
+   width="48"
+   sodipodi:docname="exit1.svg"
+   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25, custom)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="9.4201949"
+     inkscape:cx="17.197096"
+     inkscape:cy="24.256398"
+     inkscape:window-width="2552"
+     inkscape:window-height="1372"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg8"
+     showgrid="false"
+     showguides="true">
+    <sodipodi:guide
+       position="-17.76063,69.315161"
+       orientation="0,-1"
+       id="guide1"
+       inkscape:locked="false" />
+  </sodipodi:namedview>
+  <defs
+     id="defs2" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <path
+     id="path831"
+     style="opacity:1;vector-effect:none;fill:#f2f2f2;fill-opacity:1;stroke:none;stroke-width:3.75;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:stroke markers fill"
+     d="M 24 4 C 12.954338 4 4 12.954338 4 24 C 4 35.045662 12.954338 44 24 44 C 31.79942 44 38.549265 39.531179 41.845703 33.017578 L 40.427734 33.017578 C 37.240509 38.816001 31.084255 42.75 24 42.75 C 13.644691 42.75 5.25 34.355309 5.25 24 C 5.25 13.644691 13.644691 5.25 24 5.25 C 31.084255 5.25 37.240509 9.1839991 40.427734 14.982422 L 41.845703 14.982422 C 38.549265 8.4688214 31.79942 4 24 4 z " />
+  <path
+     id="path5"
+     style="color:#000000;fill:#f2f2f2;fill-opacity:1;stroke-linejoin:bevel;-inkscape-stroke:none"
+     d="M 34.980469,18.517578 V 19.8125 l 6.347656,3.591797 -16.929687,-0.115235 -0.0078,1.125 18.927734,0.128907 v -1.304688 z" />
+</svg>

img/lock.svg

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   width="48"
+   height="48"
+   viewBox="0 0 48 48"
+   version="1.1"
+   id="svg8"
+   sodipodi:docname="lock.svg"
+   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25, custom)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="16.208306"
+     inkscape:cx="18.447332"
+     inkscape:cy="19.43448"
+     inkscape:window-width="1912"
+     inkscape:window-height="1012"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg8"
+     showgrid="false" />
+  <defs
+     id="defs2" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <path
+     style="vector-effect:none;fill:#f2f2f2;fill-opacity:1;stroke:none;stroke-width:3.75238;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:stroke markers fill"
+     d="m 117.78998,28.062266 -1.08641,0.0064 2e-5,0.0024 -37.799575,0.0816 -0.007,-1.249983 37.379655,-0.0791 c -1.83062,-8.704176 -9.52473,-14.924431 -18.41926,-14.890941 -8.428083,0.0507 -15.786638,5.718662 -17.987023,13.854598 l -1.291486,0.0077 C 80.806771,16.95191 88.730946,10.732773 97.849919,10.670451 107.928,10.61958 116.47101,18.070836 117.78998,28.062266 Z m -0.43153,7.507607 C 115.13057,44.412889 107.20639,50.632007 98.087432,50.694325 88.009353,50.745197 79.466338,43.293941 78.147368,33.30251 l 1.086411,-0.0064 -1.4e-5,-0.0024 38.306055,-0.0816 0.007,1.249983 -37.886139,0.0791 c 1.830589,8.704029 9.524477,14.924242 18.418861,14.890942 8.428078,-0.0507 15.786638,-5.718664 17.987018,-13.854598 z"
+     id="path817"
+     sodipodi:nodetypes="cccccccccccccccccccccc" />
+  <path
+     id="path2"
+     style="color:#000000;opacity:1;fill:#f2f2f2;fill-opacity:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:2;-inkscape-stroke:none"
+     d="M 4.28125 20.666016 C 4.0995845 21.748484 4 22.858366 4 23.992188 C 4 35.02783 12.958497 43.986328 23.994141 43.986328 C 35.029785 43.986328 43.988281 35.02783 43.988281 23.992188 C 43.988281 22.858366 43.888701 21.748484 43.707031 20.666016 L 43.542969 20.666016 L 42.566406 20.666016 L 5.421875 20.666016 L 4.5546875 20.666016 L 4.28125 20.666016 z M 5.2597656 21.791016 L 42.728516 21.791016 C 42.813924 22.51349 42.863281 23.246468 42.863281 23.992188 C 42.863281 34.419838 34.421791 42.861328 23.994141 42.861328 C 13.566489 42.861328 5.125 34.419838 5.125 23.992188 C 5.125 23.246468 5.1743575 22.51349 5.2597656 21.791016 z " />
+  <path
+     style="color:#000000;fill:#f2f2f2;fill-opacity:1;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:2;-inkscape-stroke:none"
+     d="m 23.880859,30.039062 c -1.679508,0 -3.048828,1.369321 -3.048828,3.048829 v 1.808593 c 0,1.679508 1.36932,3.048828 3.048828,3.048828 h 0.226563 c 1.679508,0 3.048828,-1.36932 3.048828,-3.048828 v -1.808593 c 0,-1.679508 -1.36932,-3.048829 -3.048828,-3.048829 z m 0,1.125 h 0.226563 c 1.075718,0 1.923828,0.848111 1.923828,1.923829 v 1.808593 c 0,1.075718 -0.84811,1.923828 -1.923828,1.923828 h -0.226563 c -1.075718,0 -1.923828,-0.84811 -1.923828,-1.923828 v -1.808593 c 0,-1.075718 0.84811,-1.923828 1.923828,-1.923829 z"
+     id="rect2" />
+  <path
+     id="path3"
+     style="color:#000000;fill:#f2f2f2;-inkscape-stroke:none;fill-opacity:1"
+     d="M 23.994141 4 C 16.432673 4 10.050669 9.0735967 8.0585938 15.998047 L 9.2265625 15.998047 C 11.17813 9.6962096 17.046647 5.125 23.994141 5.125 C 30.941634 5.125 36.810151 9.6962096 38.761719 15.998047 L 39.929688 15.998047 C 37.937612 9.0735967 31.555607 4 23.994141 4 z " />
+</svg>

img/poweroff.svg

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   id="svg8"
+   version="1.1"
+   viewBox="0 0 48 48"
+   height="48"
+   width="48"
+   sodipodi:docname="poweroff.svg"
+   inkscape:version="1.3 (0e150ed6c4, 2023-07-21)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="6.9411765"
+     inkscape:cx="16.927966"
+     inkscape:cy="16.927966"
+     inkscape:window-width="2552"
+     inkscape:window-height="1372"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg8" />
+  <defs
+     id="defs2" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <path
+     id="path822"
+     d="M 20.25,4 V 19 H 21.5 V 4 Z m 6.25,0 v 15 h 1.25 V 4 Z M 14,6.7319336 C 7.9628546,10.218607 4.0033064,16.702931 4,24 4,35.045695 12.954305,44 24,44 35.045695,44 44,35.045695 44,24 43.994912,16.704586 40.035832,10.222562 34,6.7368164 V 8.1870117 C 39.351053,11.561829 42.735765,17.485293 42.75,24 42.75,34.355339 34.355339,42.75 24,42.75 13.644661,42.75 5.25,34.355339 5.25,24 5.2650811,17.48603 8.6494321,11.563781 14,8.1894531 Z"
+     style="opacity:1;vector-effect:none;fill:#f2f2f2;fill-opacity:1;stroke:none;stroke-width:3.75;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:stroke markers fill" />
+</svg>

img/reboot.svg

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   width="48"
+   height="48"
+   viewBox="0 0 48 48"
+   version="1.1"
+   id="svg8"
+   sodipodi:docname="reboot.svg"
+   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25, custom)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="6.9411765"
+     inkscape:cx="16.927966"
+     inkscape:cy="16.927966"
+     inkscape:window-width="2552"
+     inkscape:window-height="1372"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg8"
+     showgrid="false" />
+  <defs
+     id="defs2" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     id="layer1"
+     transform="matrix(-1.2507463,0,0,1.2508411,44.011945,-356.92327)"
+     style="fill:#f2f2f2">
+    <path
+       style="opacity:1;vector-effect:none;fill:#f2f2f2;fill-opacity:1;stroke:none;stroke-width:3.00189;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:stroke markers fill"
+       d="M 19.001953,1.1308594 V 2 H 19 v 11 h 1 V 2.3359375 A 15,15 45 0 1 32,17 15,15 45 0 1 21.001953,31.455078 v 1.033203 A 16.009488,16.010701 45 0 0 33.009766,17 16.009488,16.010701 45 0 0 19.001953,1.1308594 Z M 12.998047,1.5117188 A 16.009488,16.010701 45 0 0 0.99023438,17 16.009488,16.010701 45 0 0 14.998047,32.869141 V 32 H 15 V 21 H 14 V 31.664062 A 15,15 45 0 1 2,17 15,15 45 0 1 12.998047,2.5449219 Z"
+       transform="matrix(0.70668771,-0.70663419,0.70668771,0.70663419,-8.0273788,304.53335)"
+       id="path817" />
+  </g>
+</svg>

img/sleep.svg

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   id="svg8"
+   version="1.1"
+   viewBox="0 0 48 48"
+   height="48"
+   width="48"
+   sodipodi:docname="sleep.svg"
+   inkscape:version="1.3 (0e150ed6c4, 2023-07-21)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:dc="http://purl.org/dc/elements/1.1/">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:zoom="6.9411765"
+     inkscape:cx="16.927966"
+     inkscape:cy="16.927966"
+     inkscape:window-width="2552"
+     inkscape:window-height="1372"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg8" />
+  <defs
+     id="defs2" />
+  <metadata
+     id="metadata5">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <path
+     style="opacity:1;vector-effect:none;fill:#f2f2f2;fill-opacity:1;stroke:none;stroke-width:3.75;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:stroke markers fill"
+     d="M 24,4 C 12.954305,4 4,12.954305 4,24 4,35.045695 12.954305,44 24,44 35.045695,44 44,35.045695 44,24 44,12.954305 35.045695,4 24,4 Z m 0,1.25 C 34.355339,5.25 42.75,13.644661 42.75,24 42.75,34.355339 34.355339,42.75 24,42.75 13.644661,42.75 5.25,34.355339 5.25,24 5.25,13.644661 13.644661,5.25 24,5.25 Z M 19,16.5 v 15 h 1.25 v -15 z m 8.75,0 v 15 H 29 v -15 z"
+     id="path831" />
+</svg>

main.go

@@ -3,6 +3,8 @@ package main
 import (
 	"flag"
 	"fmt"
+	"github.com/diamondburned/gotk4-layer-shell/pkg/gtklayershell"
+	"github.com/expr-lang/expr"
 	"os"
 	"os/signal"
 	"path"
@@ -12,25 +14,28 @@ import (
 	"syscall"
 	"time"
 
+	"github.com/allan-simon/go-singleinstance"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/allan-simon/go-singleinstance"
+	"github.com/diamondburned/gotk4/pkg/gdk/v3"
-	"github.com/dlasky/gotk3-layershell/layershell"
+	"github.com/diamondburned/gotk4/pkg/glib/v2"
-	"github.com/gotk3/gotk3/gdk"
+	"github.com/diamondburned/gotk4/pkg/gtk/v3"
-	"github.com/gotk3/gotk3/glib"
-	"github.com/gotk3/gotk3/gtk"
 )
 
-const version = "0.3.4"
+const version = "0.6.0"
 
 var (
-	appDirs         []string
+	appDirs          []string
-	configDirectory string
+	configDirectory  string
-	pinnedFile      string
+	dataDirectory    string
-	pinned          []string
+	pinnedFile       string
-	id2entry        map[string]desktopEntry
+	pinned           []string
-	preferredApps   map[string]interface{}
+	id2entry         map[string]desktopEntry
-	exclusions      []string
+	preferredApps    map[string]interface{}
+	exclusions       []string
+	hyprlandMonitors []monitor
+	beenScrolled     bool
+	firstPowerBtn    *gtk.Button
 )
 
 var categoryNames = [...]string{
@@ -66,6 +71,30 @@ type desktopEntry struct {
 	NoDisplay  bool
 }
 
+type monitor struct {
+	Id              int     `json:"id"`
+	Name            string  `json:"name"`
+	Description     string  `json:"description"`
+	Make            string  `json:"make"`
+	Model           string  `json:"model"`
+	Serial          string  `json:"serial"`
+	Width           int     `json:"width"`
+	Height          int     `json:"height"`
+	RefreshRate     float64 `json:"refreshRate"`
+	X               int     `json:"x"`
+	Y               int     `json:"y"`
+	ActiveWorkspace struct {
+		Id   int    `json:"id"`
+		Name string `json:"name"`
+	} `json:"activeWorkspace"`
+	Reserved   []int   `json:"reserved"`
+	Scale      float64 `json:"scale"`
+	Transform  int     `json:"transform"`
+	Focused    bool    `json:"focused"`
+	DpmsStatus bool    `json:"dpmsStatus"`
+	Vrr        bool    `json:"vrr"`
+}
+
 // slices below will hold DesktopID strings
 var (
 	listUtility            []string
@@ -104,7 +133,7 @@ var (
 	pinnedItemsChanged      chan interface{} = make(chan interface{}, 1)
 )
 
-func defaultStringIfBlank(s, fallback string) string {
+func defaultTermIfBlank(s, fallback string) string {
 	s = strings.TrimSpace(s)
 	// os.Getenv("TERM") returns "linux" instead of empty string, if program has been started
 	// from a key binding defined in the config file. See #23.
@@ -114,27 +143,47 @@ func defaultStringIfBlank(s, fallback string) string {
 	return s
 }
 
+func validateWm() {
+	if !(*wm == "sway" || *wm == "hyprland" || *wm == "Hyprland") && *wm != "" {
+		*wm = ""
+		log.Warn("-wm argument supports only 'sway' or 'hyprland' string.")
+	}
+}
+
 // Flags
 var cssFileName = flag.String("s", "drawer.css", "Styling: css file name")
-var targetOutput = flag.String("o", "", "name of the Output to display the drawer on (sway only)")
+var targetOutput = flag.String("o", "", "name of the Output to display the drawer on (sway & Hyprland only)")
 var displayVersion = flag.Bool("v", false, "display Version information")
+var keyboard = flag.Bool("k", false, "set GTK layer shell Keyboard interactivity to 'on-demand' mode")
 var overlay = flag.Bool("ovl", false, "use OVerLay layer")
+var flagDrawerOpen = flag.Bool("open", false, "open drawer of existing instance")
+var flagDrawerClose = flag.Bool("close", false, "close drawer of existing instance")
 var gtkTheme = flag.String("g", "", "GTK theme name")
+var gtkIconTheme = flag.String("i", "", "GTK icon theme name")
 var iconSize = flag.Int("is", 64, "Icon Size")
 var marginTop = flag.Int("mt", 0, "Margin Top")
 var marginLeft = flag.Int("ml", 0, "Margin Left")
 var marginRight = flag.Int("mr", 0, "Margin Right")
 var marginBottom = flag.Int("mb", 0, "Margin Bottom")
 var fsColumns = flag.Uint("fscol", 2, "File Search result COLumns")
+var forceTheme = flag.Bool("ft", false, "Force Theme for libadwaita apps, by adding 'GTK_THEME=<default-gtk-theme>' env var")
 var columnsNumber = flag.Uint("c", 6, "number of Columns")
 var itemSpacing = flag.Uint("spacing", 20, "icon spacing")
 var lang = flag.String("lang", "", "force lang, e.g. \"en\", \"pl\"")
 var fileManager = flag.String("fm", "thunar", "File Manager")
-var term = flag.String("term", defaultStringIfBlank(os.Getenv("TERM"), "foot"), "Terminal emulator")
+var term = flag.String("term", defaultTermIfBlank(os.Getenv("TERM"), "foot"), "Terminal emulator")
+var wm = flag.String("wm", "", "use swaymsg exec (with 'sway' argument) or hyprctl dispatch exec (with 'hyprland') or riverctl spawn (with 'river') to launch programs")
 var nameLimit = flag.Int("fslen", 80, "File Search name LENgth Limit")
 var noCats = flag.Bool("nocats", false, "Disable filtering by category")
 var noFS = flag.Bool("nofs", false, "Disable file search")
 var resident = flag.Bool("r", false, "Leave the program resident in memory")
+var pbExit = flag.String("pbexit", "", "command for the Exit power bar icon")
+var pbLock = flag.String("pblock", "", "command for the Lock power bar icon")
+var pbPoweroff = flag.String("pbpoweroff", "", "command for the Poweroff power bar icon")
+var pbReboot = flag.String("pbreboot", "", "command for the Reboot power bar icon")
+var pbSleep = flag.String("pbsleep", "", "command for the sleep power bar icon")
+var pbSize = flag.Int("pbsize", 64, "power bar icon size (only works w/ built-in icons)")
+var pbUseIconTheme = flag.Bool("pbuseicontheme", false, "use icon theme instead of built-in icons in power bar")
 var debug = flag.Bool("d", false, "Turn on Debug messages")
 
 func main() {
@@ -150,12 +199,16 @@ func main() {
 		os.Exit(0)
 	}
 
+	validateWm()
+
 	// Gentle SIGTERM handler thanks to reiki4040 https://gist.github.com/reiki4040/be3705f307d3cd136e85
 	// v0.2: we also need to support SIGUSR from now on
 	showWindowChannel := make(chan interface{}, 1)
 	signalChan := make(chan os.Signal, 1)
-	signal.Notify(signalChan, syscall.SIGTERM, syscall.SIGUSR1)
+	const (
-
+		SIG25 = syscall.Signal(0x25) // Which is SIGRTMIN+3 on Linux, it's not used by the system
+	)
+	signal.Notify(signalChan, syscall.SIGTERM, syscall.SIGUSR1, syscall.SIGUSR2, SIG25)
 	go func() {
 		for {
 			s := <-signalChan
@@ -163,7 +216,7 @@ func main() {
 			case syscall.SIGTERM:
 				log.Info("SIGTERM received, bye bye")
 				gtk.MainQuit()
-			case syscall.SIGUSR1:
+			case syscall.SIGUSR1: // toggle drawer
 				if *resident {
 					// As win.Show() called from inside a goroutine randomly crashes GTK,
 					// let's just set e helper variable here. We'll be checking it with glib.TimeoutAdd.
@@ -178,18 +231,35 @@ func main() {
 					log.Info("SIGUSR1 received, and I'm not resident, bye bye")
 					gtk.MainQuit()
 				}
+			case syscall.SIGUSR2: // open drawer
+				if *resident {
+					log.Debug("SIGUSR2 received, showing the window")
+					showWindowChannel <- struct{}{}
+				} else {
+					log.Info("SIGUSR2 received, and I'm not resident but I'm still here, doing nothing")
+				}
+			case SIG25: // close drawer
+				if *resident {
+					log.Debug("SIG25 received, hiding the window")
+					if win.IsVisible() {
+						restoreStateAndHide()
+					}
+				} else {
+					log.Info("A signal received, and I'm not resident, bye bye")
+					gtk.MainQuit()
+				}
 			default:
-				log.Info("Unknown signal")
+				log.Infof("Unknown signal: %s", s.String())
 			}
 		}
 	}()
 
 	// If running instance found, we want it to show the window. The new instance will send SIGUSR1 and die
 	// (equivalent of `pkill -USR1 nwg-drawer`).
-	// Otherwise the command may behave in two ways:
+	// Otherwise, the command may behave in two ways:
-	// 	1. kill the running non-residennt instance and exit;
+	// 	1. kill the running non-resident instance and exit;
 	// 	2. die if a resident instance found.
-	lockFilePath := path.Join(tempDir(), "nwg-drawer.lock")
+	lockFilePath := path.Join(dataHome(), "nwg-drawer.lock")
 	lockFile, err := singleinstance.CreateLockFile(lockFilePath)
 	if err != nil {
 		pid, err := readTextFile(lockFilePath)
@@ -199,8 +269,17 @@ func main() {
 				if *resident {
 					log.Warnf("Resident instance already running (PID %v)", i)
 				} else {
-					log.Infof("Showing resident instance (PID %v)", i)
+					var err error
-					err := syscall.Kill(i, syscall.SIGUSR1)
+					if *flagDrawerClose {
+						log.Infof("Closing resident instance (PID %v)", i)
+						err = syscall.Kill(i, SIG25)
+					} else if *flagDrawerOpen {
+						log.Infof("Showing resident instance (PID %v)", i)
+						err = syscall.Kill(i, syscall.SIGUSR2)
+					} else {
+						log.Infof("Toggling resident instance (PID %v)", i)
+						err = syscall.Kill(i, syscall.SIGUSR1)
+					}
 					if err != nil {
 						return
 					}
@@ -221,6 +300,7 @@ func main() {
 
 	// ENVIRONMENT
 	configDirectory = configDir()
+	dataDirectory = dataDir()
 
 	// Placing the drawer config files in the nwg-panel config directory was a mistake.
 	// Let's move them to their own location.
@@ -246,7 +326,7 @@ func main() {
 
 	// Copy default style sheet if not found
 	if !pathExists(filepath.Join(configDirectory, "drawer.css")) {
-		err := copyFile("/usr/share/nwg-drawer/drawer.css", filepath.Join(configDirectory, "drawer.css"))
+		err := copyFile(filepath.Join(dataDirectory, "drawer.css"), filepath.Join(configDirectory, "drawer.css"))
 		if err != nil {
 			log.Errorf("Failed copying 'drawer.css' file: %s", err)
 		}
@@ -307,86 +387,92 @@ func main() {
 	}
 
 	// USER INTERFACE
-	gtk.Init(nil)
+	gtk.Init()
 
-	settings, _ := gtk.SettingsGetDefault()
+	settings := gtk.SettingsGetDefault()
 	if *gtkTheme != "" {
-		err = settings.SetProperty("gtk-theme-name", *gtkTheme)
+		settings.SetObjectProperty("gtk-theme-name", *gtkTheme)
-		if err != nil {
+		log.Infof("User demanded theme: %s", *gtkTheme)
-			log.Error("Unable to set theme:", err)
-		} else {
-			log.Infof("User demanded theme: %s", *gtkTheme)
-		}
 	} else {
-		err := settings.SetProperty("gtk-application-prefer-dark-theme", true)
+		settings.SetObjectProperty("gtk-application-prefer-dark-theme", true)
-		if err != nil {
-			log.Error("Error setting 'gtk-application-prefer-dark-theme' property")
-			return
-		}
 		log.Info("Preferring dark theme variants")
 	}
 
-	cssProvider, _ := gtk.CssProviderNew()
+	if *gtkIconTheme != "" {
+		settings.SetObjectProperty("gtk-icon-theme-name", *gtkIconTheme)
+		log.Infof("User demanded icon theme: %s", *gtkIconTheme)
+	}
+
+	cssProvider := gtk.NewCSSProvider()
 
 	err = cssProvider.LoadFromPath(*cssFileName)
 	if err != nil {
 		log.Errorf("ERROR: %s css file not found or erroneous. Using GTK styling.", *cssFileName)
-		log.Errorf("%s", err)
 	} else {
 		log.Info(fmt.Sprintf("Using style from %s", *cssFileName))
-		screen, _ := gdk.ScreenGetDefault()
+		screen := gdk.ScreenGetDefault()
-		gtk.AddProviderForScreen(screen, cssProvider, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
+		gtk.StyleContextAddProviderForScreen(screen, cssProvider, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
 	}
 
-	win, err = gtk.WindowNew(gtk.WINDOW_TOPLEVEL)
+	win = gtk.NewWindow(gtk.WindowToplevel)
 	if err != nil {
 		log.Fatal("Unable to create window:", err)
 	}
 
 	if wayland() {
-		layershell.InitForWindow(win)
+		gtklayershell.InitForWindow(win)
+		gtklayershell.SetNamespace(win, "nwg-drawer")
 
 		var output2mon map[string]*gdk.Monitor
 		if *targetOutput != "" {
 			// We want to assign layershell to a monitor, but we only know the output name!
 			output2mon, err = mapOutputs()
+			log.Debugf("output2mon: %v", output2mon)
 			if err == nil {
-				monitor := output2mon[*targetOutput]
+				mon := output2mon[*targetOutput]
-				layershell.SetMonitor(win, monitor)
+				gtklayershell.SetMonitor(win, mon)
 
 			} else {
 				log.Errorf("%s", err)
 			}
 		}
 
-		layershell.SetAnchor(win, layershell.LAYER_SHELL_EDGE_BOTTOM, true)
+		gtklayershell.SetAnchor(win, gtklayershell.LayerShellEdgeBottom, true)
-		layershell.SetAnchor(win, layershell.LAYER_SHELL_EDGE_TOP, true)
+		gtklayershell.SetAnchor(win, gtklayershell.LayerShellEdgeTop, true)
-		layershell.SetAnchor(win, layershell.LAYER_SHELL_EDGE_LEFT, true)
+		gtklayershell.SetAnchor(win, gtklayershell.LayerShellEdgeLeft, true)
-		layershell.SetAnchor(win, layershell.LAYER_SHELL_EDGE_RIGHT, true)
+		gtklayershell.SetAnchor(win, gtklayershell.LayerShellEdgeRight, true)
 
 		if *overlay {
-			layershell.SetLayer(win, layershell.LAYER_SHELL_LAYER_OVERLAY)
+			gtklayershell.SetLayer(win, gtklayershell.LayerShellLayerOverlay)
-			layershell.SetExclusiveZone(win, -1)
+			gtklayershell.SetExclusiveZone(win, -1)
 		} else {
-			layershell.SetLayer(win, layershell.LAYER_SHELL_LAYER_TOP)
+			gtklayershell.SetLayer(win, gtklayershell.LayerShellLayerTop)
 		}
 
-		layershell.SetMargin(win, layershell.LAYER_SHELL_EDGE_TOP, *marginTop)
+		gtklayershell.SetMargin(win, gtklayershell.LayerShellEdgeTop, *marginTop)
-		layershell.SetMargin(win, layershell.LAYER_SHELL_EDGE_LEFT, *marginLeft)
+		gtklayershell.SetMargin(win, gtklayershell.LayerShellEdgeLeft, *marginLeft)
-		layershell.SetMargin(win, layershell.LAYER_SHELL_EDGE_RIGHT, *marginRight)
+		gtklayershell.SetMargin(win, gtklayershell.LayerShellEdgeRight, *marginRight)
-		layershell.SetMargin(win, layershell.LAYER_SHELL_EDGE_BOTTOM, *marginBottom)
+		gtklayershell.SetMargin(win, gtklayershell.LayerShellEdgeBottom, *marginBottom)
+
+		if *keyboard {
+			log.Info("Setting GTK layer shell keyboard mode to: on-demand")
+			gtklayershell.SetKeyboardMode(win, gtklayershell.LayerShellKeyboardModeOnDemand)
+		} else {
+			log.Info("Setting GTK layer shell keyboard mode to default: exclusive")
+			gtklayershell.SetKeyboardMode(win, gtklayershell.LayerShellKeyboardModeExclusive)
+		}
 
-		layershell.SetKeyboardMode(win, layershell.LAYER_SHELL_KEYBOARD_MODE_EXCLUSIVE)
 	}
 
 	win.Connect("destroy", func() {
 		gtk.MainQuit()
 	})
 
-	win.Connect("key-release-event", func(window *gtk.Window, event *gdk.Event) bool {
+	win.Connect("key-release-event", func(_ *gtk.Window, event *gdk.Event) bool {
-		key := &gdk.EventKey{Event: event}
+		//key := &gdk.EventKey{Event: event}
-		if key.KeyVal() == gdk.KEY_Escape {
+		key := event.AsKey()
-			s, _ := searchEntry.GetText()
+		if key.Keyval() == gdk.KEY_Escape {
+			s := searchEntry.Text()
 			if s != "" {
 				searchEntry.GrabFocus()
 				searchEntry.SetText("")
@@ -398,13 +484,32 @@ func main() {
 				}
 			}
 			return true
+
+		} else if key.Keyval() == gdk.KEY_Tab {
+			if firstPowerBtn != nil {
+				firstPowerBtn.GrabFocus()
+			}
+
+		} else if key.Keyval() == gdk.KEY_Return {
+			s := searchEntry.Text()
+			if s != "" {
+				// Check if the search box content is an arithmetic expression. If so, display the result
+				// and copy to the clipboard with wl-copy.
+				result, e := expr.Eval(s, nil)
+				if e == nil {
+					log.Debugf("Setting up mathemathical operation result window. Operation: %s, result: %v", s, result)
+					setUpOperationResultWindow(s, fmt.Sprintf("%v", result))
+				}
+			}
+			return true
 		}
-		return false
+		return true
 	})
 
-	win.Connect("key-press-event", func(window *gtk.Window, event *gdk.Event) bool {
+	win.Connect("key-press-event", func(_ *gtk.Window, event *gdk.Event) bool {
-		key := &gdk.EventKey{Event: event}
+		//key := &gdk.EventKey{Event: event}
-		switch key.KeyVal() {
+		key := event.AsKey()
+		switch key.Keyval() {
 		case gdk.KEY_downarrow, gdk.KEY_Up, gdk.KEY_Down, gdk.KEY_Left, gdk.KEY_Right, gdk.KEY_Tab,
 			gdk.KEY_Return, gdk.KEY_Page_Up, gdk.KEY_Page_Down, gdk.KEY_Home, gdk.KEY_End:
 			return false
@@ -413,8 +518,8 @@ func main() {
 			if !searchEntry.IsFocus() {
 				searchEntry.GrabFocusWithoutSelecting()
 			}
-			return false
 		}
+		return false
 	})
 
 	/*
@@ -429,10 +534,10 @@ func main() {
 	}
 
 	// Set up UI
-	outerVBox, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 0)
+	outerVBox := gtk.NewBox(gtk.OrientationVertical, 0)
 	win.Add(outerVBox)
 
-	searchBoxWrapper, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	searchBoxWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
 	outerVBox.PackStart(searchBoxWrapper, false, false, 10)
 
 	searchEntry = setUpSearchEntry()
@@ -440,25 +545,38 @@ func main() {
 	searchBoxWrapper.PackStart(searchEntry, true, false, 0)
 
 	if !*noCats {
-		categoriesWrapper, _ = gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+		categoriesWrapper = gtk.NewBox(gtk.OrientationHorizontal, 0)
 		categoriesButtonBox := setUpCategoriesButtonBox()
 		categoriesWrapper.PackStart(categoriesButtonBox, true, false, 0)
 		outerVBox.PackStart(categoriesWrapper, false, false, 0)
 	}
 
-	pinnedWrapper, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	pinnedWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
 	outerVBox.PackStart(pinnedWrapper, false, false, 0)
 
-	pinnedFlowBoxWrapper, _ = gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	pinnedFlowBoxWrapper = gtk.NewBox(gtk.OrientationHorizontal, 0)
 	outerVBox.PackStart(pinnedFlowBoxWrapper, false, false, 0)
 	pinnedFlowBox = setUpPinnedFlowBox()
 
-	resultWindow, _ = gtk.ScrolledWindowNew(nil, nil)
+	resultWindow = gtk.NewScrolledWindow(nil, nil)
-	resultWindow.SetEvents(int(gdk.ALL_EVENTS_MASK))
+	resultWindow.SetEvents(int(gdk.AllEventsMask))
-	resultWindow.SetPolicy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+	resultWindow.SetPolicy(gtk.PolicyAutomatic, gtk.PolicyAutomatic)
 
-	resultWindow.Connect("button-release-event", func(sw *gtk.ScrolledWindow, e *gdk.Event) bool {
+	// On touch screen we don't want the button-release-event to launch the app if the user just wanted to scroll the
-		btnEvent := gdk.EventButtonNewFromEvent(e)
+	// window. Let's forbid doing so if the content has been scrolled. We will reset the value on button-press-event.
+	// Resolves https://github.com/nwg-piotr/nwg-drawer/issues/110
+	vAdj := resultWindow.VAdjustment()
+	vAdj.Connect("value-changed", func() {
+		beenScrolled = true
+	})
+	hAdj := resultWindow.HAdjustment()
+	hAdj.Connect("value-changed", func() {
+		beenScrolled = true
+	})
+
+	resultWindow.Connect("button-release-event", func(_ *gtk.ScrolledWindow, event *gdk.Event) bool {
+		//btnEvent := gdk.EventButtonNewFromEvent(event)
+		btnEvent := event.AsButton()
 		if btnEvent.Button() == 3 {
 			if !*resident {
 				gtk.MainQuit()
@@ -471,51 +589,117 @@ func main() {
 	})
 	outerVBox.PackStart(resultWindow, true, true, 10)
 
-	resultsWrapper, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 0)
+	resultsWrapper := gtk.NewBox(gtk.OrientationVertical, 0)
 	resultWindow.Add(resultsWrapper)
 
-	appSearchResultWrapper, _ = gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 0)
+	appSearchResultWrapper = gtk.NewBox(gtk.OrientationVertical, 0)
 	resultsWrapper.PackStart(appSearchResultWrapper, false, false, 0)
 	appFlowBox = setUpAppsFlowBox(nil, "")
 
 	// Focus 1st pinned item if any, otherwise focus 1st found app icon
-	var button gtk.IWidget
+	var button gtk.Widget
-	if pinnedFlowBox.GetChildren().Length() > 0 {
+	if len(pinnedFlowBox.Children()) > 0 {
-		button, err = pinnedFlowBox.GetChildAtIndex(0).GetChild()
+		button = pinnedFlowBox.ChildAtIndex(0).Widget
 	} else {
-		button, err = appFlowBox.GetChildAtIndex(0).GetChild()
+		button = appFlowBox.ChildAtIndex(0).Widget
 	}
 	if err == nil {
-		button.ToWidget().GrabFocus()
+		button.GrabFocus()
 	}
 
 	userDirsMap = mapXdgUserDirs()
+	log.Debugf("User dirs map: %s", userDirsMap)
 
-	placeholder, _ := gtk.BoxNew(gtk.ORIENTATION_VERTICAL, 0)
+	placeholder := gtk.NewBox(gtk.OrientationVertical, 0)
 	resultsWrapper.PackStart(placeholder, true, true, 0)
 	placeholder.SetSizeRequest(20, 20)
 
 	if !*noFS {
-		wrapper, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+		wrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
-		fileSearchResultWrapper, _ = gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+		fileSearchResultWrapper = gtk.NewBox(gtk.OrientationHorizontal, 0)
-		fileSearchResultWrapper.SetProperty("name", "files-box")
+		fileSearchResultWrapper.SetObjectProperty("name", "files-box")
 		wrapper.PackStart(fileSearchResultWrapper, true, false, 0)
 		resultsWrapper.PackEnd(wrapper, false, false, 10)
 	}
 
-	statusLineWrapper, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	// Power Button Bar
+	if dataDirectory != "" {
+		if *pbExit != "" || *pbLock != "" || *pbPoweroff != "" || *pbReboot != "" || *pbSleep != "" {
+			powerBarWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
+			outerVBox.PackStart(powerBarWrapper, false, false, 0)
+			powerButtonsWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
+			powerBarWrapper.PackStart(powerButtonsWrapper, true, false, 12)
+
+			if *pbPoweroff != "" {
+				btn := gtk.NewButton()
+				if !*pbUseIconTheme {
+					btn = powerButton(filepath.Join(dataDirectory, "img/poweroff.svg"), *pbPoweroff)
+				} else {
+					btn = powerButton("system-shutdown-symbolic", *pbPoweroff)
+				}
+				powerButtonsWrapper.PackEnd(btn, true, false, 0)
+				firstPowerBtn = btn
+			}
+			if *pbSleep != "" {
+				btn := gtk.NewButton()
+				if !*pbUseIconTheme {
+					btn = powerButton(filepath.Join(dataDirectory, "img/sleep.svg"), *pbSleep)
+				} else {
+					btn = powerButton("face-yawn-symbolic", *pbSleep)
+				}
+				powerButtonsWrapper.PackEnd(btn, true, false, 0)
+				firstPowerBtn = btn
+			}
+			if *pbReboot != "" {
+				btn := gtk.NewButton()
+				if !*pbUseIconTheme {
+					btn = powerButton(filepath.Join(dataDirectory, "img/reboot.svg"), *pbReboot)
+				} else {
+					btn = powerButton("system-reboot-symbolic", *pbReboot)
+				}
+				powerButtonsWrapper.PackEnd(btn, true, false, 0)
+				firstPowerBtn = btn
+			}
+			if *pbExit != "" {
+				btn := gtk.NewButton()
+				if !*pbUseIconTheme {
+					btn = powerButton(filepath.Join(dataDirectory, "img/exit.svg"), *pbExit)
+				} else {
+					btn = powerButton("system-log-out-symbolic", *pbExit)
+				}
+				powerButtonsWrapper.PackEnd(btn, true, false, 0)
+				firstPowerBtn = btn
+			}
+			if *pbLock != "" {
+				btn := gtk.NewButton()
+				if !*pbUseIconTheme {
+					btn = powerButton(filepath.Join(dataDirectory, "img/lock.svg"), *pbLock)
+				} else {
+					btn = powerButton("system-lock-screen-symbolic", *pbLock)
+				}
+				powerButtonsWrapper.PackEnd(btn, true, false, 0)
+				firstPowerBtn = btn
+			}
+		}
+	} else {
+		log.Warn("Couldn't find data dir, power bar icons unavailable")
+	}
+
+	statusLineWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
+	statusLineWrapper.SetObjectProperty("name", "status-line-wrapper")
 	outerVBox.PackStart(statusLineWrapper, false, false, 10)
-	statusLabel, _ = gtk.LabelNew(status)
+	statusLabel = gtk.NewLabel(status)
+	statusLabel.SetObjectProperty("name", "status-label")
 	statusLineWrapper.PackStart(statusLabel, true, false, 0)
 
 	win.ShowAll()
 
 	if !*noFS {
-		fileSearchResultWrapper.SetSizeRequest(appFlowBox.GetAllocatedWidth(), 1)
+		fileSearchResultWrapper.SetSizeRequest(appFlowBox.AllocatedWidth(), 1)
 		fileSearchResultWrapper.Hide()
 	}
 	if !*noCats {
-		categoriesWrapper.SetSizeRequest(1, categoriesWrapper.GetAllocatedHeight()*2)
+		categoriesWrapper.SetSizeRequest(1, categoriesWrapper.AllocatedHeight()*2)
 	}
 	if *resident {
 		win.Hide()
@@ -549,14 +733,14 @@ func main() {
 							fileSearchResultWrapper.Hide()
 						}
 						// focus 1st element
-						var button gtk.IWidget
+						var button gtk.Widget
-						if pinnedFlowBox.GetChildren().Length() > 0 {
+						if len(pinnedFlowBox.Children()) > 0 {
-							button, err = pinnedFlowBox.GetChildAtIndex(0).GetChild()
+							button = pinnedFlowBox.ChildAtIndex(0).Widget
 						} else {
-							button, err = appFlowBox.GetChildAtIndex(0).GetChild()
+							button = appFlowBox.ChildAtIndex(0).Widget
 						}
 						if err == nil {
-							button.ToWidget().GrabFocus()
+							button.GrabFocus()
 						}
 					}
 
@@ -589,16 +773,16 @@ func restoreStateAndHide() {
 	// clear search
 	searchEntry.SetText("")
 
-	// clear category filter (in gotk3 it means: rebuild, as we have no filtering here)
+	// One day or another we'll add SetFilterFunction here; it was impossible on the gotk3 library
 	appFlowBox = setUpAppsFlowBox(nil, "")
 	for _, btn := range catButtons {
-		btn.SetImagePosition(gtk.POS_LEFT)
+		btn.SetImagePosition(gtk.PosLeft)
 		btn.SetSizeRequest(0, 0)
 	}
 
 	// scroll to the top
 	if resultWindow != nil {
-		resultWindow.GetVAdjustment().SetValue(0)
+		resultWindow.VAdjustment().SetValue(0)
 	}
 
 	t := time.Now()

tools.go

@@ -5,8 +5,11 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"github.com/joshuarubin/go-sway"
+	log "github.com/sirupsen/logrus"
 	"io"
 	"io/fs"
+	"net"
 	"os"
 	"os/exec"
 	"path"
@@ -17,25 +20,20 @@ import (
 	"syscall"
 	"time"
 
-	log "github.com/sirupsen/logrus"
+	"github.com/diamondburned/gotk4/pkg/gdk/v3"
-
+	"github.com/diamondburned/gotk4/pkg/gdkpixbuf/v2"
-	"github.com/gotk3/gotk3/gdk"
+	"github.com/diamondburned/gotk4/pkg/gtk/v3"
-	"github.com/gotk3/gotk3/gtk"
-	"github.com/joshuarubin/go-sway"
 )
 
 func wayland() bool {
 	return os.Getenv("WAYLAND_DISPLAY") != "" || os.Getenv("XDG_SESSION_TYPE") == "wayland"
 }
 
-func createPixbuf(icon string, size int) (*gdk.Pixbuf, error) {
+func createPixbuf(icon string, size int) (*gdkpixbuf.Pixbuf, error) {
-	iconTheme, err := gtk.IconThemeGetDefault()
+	iconTheme := gtk.IconThemeGetDefault()
-	if err != nil {
-		log.Fatal("Couldn't get default theme: ", err)
-	}
 
 	if strings.Contains(icon, "/") {
-		pixbuf, err := gdk.PixbufNewFromFileAtSize(icon, size, size)
+		pixbuf, err := gdkpixbuf.NewPixbufFromFileAtSize(icon, size, size)
 		if err != nil {
 			log.Errorf("%s", err)
 			return nil, err
@@ -47,18 +45,18 @@ func createPixbuf(icon string, size int) (*gdk.Pixbuf, error) {
 		icon = strings.Split(icon, ".")[0]
 	}
 
-	pixbuf, err := iconTheme.LoadIcon(icon, size, gtk.ICON_LOOKUP_FORCE_SIZE)
+	pixbuf, err := iconTheme.LoadIcon(icon, size, gtk.IconLookupForceSize)
 
 	if err != nil {
 		if strings.HasPrefix(icon, "/") {
-			pixbuf, err := gdk.PixbufNewFromFileAtSize(icon, size, size)
+			pixbuf, e := gdkpixbuf.NewPixbufFromFileAtSize(icon, size, size)
-			if err != nil {
+			if e != nil {
-				return nil, err
+				return nil, e
 			}
 			return pixbuf, nil
 		}
 
-		pixbuf, err := iconTheme.LoadIcon(icon, size, gtk.ICON_LOOKUP_FORCE_SIZE)
+		pixbuf, err := iconTheme.LoadIcon(icon, size, gtk.IconLookupForceSize)
 		if err != nil {
 			return nil, err
 		}
@@ -78,8 +76,9 @@ func mapXdgUserDirs() map[string]string {
 	result["pictures"] = filepath.Join(home, "Pictures")
 	result["videos"] = filepath.Join(home, "Videos")
 
-	userDirsFile := filepath.Join(home, ".config/user-dirs.dirs")
+	userDirsFile := filepath.Join(filepath.Join(configHome(), "user-dirs.dirs"))
 	if pathExists(userDirsFile) {
+		log.Debugf("userDirsFile found: %s", userDirsFile)
 		log.Info(fmt.Sprintf("Using XDG user dirs from %s", userDirsFile))
 		lines, _ := loadTextFile(userDirsFile)
 		for _, l := range lines {
@@ -104,7 +103,7 @@ func mapXdgUserDirs() map[string]string {
 			}
 		}
 	} else {
-		log.Warnf("%s file not found, using defaults", userDirsFile)
+		log.Warnf("userDirsFile %s not found, using defaults", userDirsFile)
 	}
 
 	return result
@@ -120,27 +119,16 @@ func getUserDir(home, line string) string {
 }
 
 func cacheDir() string {
-	if os.Getenv("XDG_CACHE_HOME") != "" {
+	if xdgCache := os.Getenv("XDG_CACHE_HOME"); xdgCache != "" {
-		return os.Getenv("XDG_CONFIG_HOME")
+		return xdgCache
 	}
-	if os.Getenv("HOME") != "" && pathExists(filepath.Join(os.Getenv("HOME"), ".cache")) {
+	if home := os.Getenv("HOME"); home != "" && pathExists(filepath.Join(home, ".cache")) {
-		p := filepath.Join(os.Getenv("HOME"), ".cache")
+		p := filepath.Join(home, ".cache")
 		return p
 	}
 	return ""
 }
 
-func tempDir() string {
-	if os.Getenv("TMPDIR") != "" {
-		return os.Getenv("TMPDIR")
-	} else if os.Getenv("TEMP") != "" {
-		return os.Getenv("TEMP")
-	} else if os.Getenv("TMP") != "" {
-		return os.Getenv("TMP")
-	}
-	return "/tmp"
-}
-
 func readTextFile(path string) (string, error) {
 	bytes, err := os.ReadFile(path)
 	if err != nil {
@@ -151,11 +139,11 @@ func readTextFile(path string) (string, error) {
 }
 
 func oldConfigDir() (string, error) {
-	if os.Getenv("XDG_CONFIG_HOME") != "" {
+	if xdgConfig := os.Getenv("XDG_CONFIG_HOME"); xdgConfig != "" {
-		dir := path.Join(os.Getenv("XDG_CONFIG_HOME"), "nwg-panel")
+		dir := path.Join(xdgConfig, "nwg-panel")
 		return dir, nil
-	} else if os.Getenv("HOME") != "" {
+	} else if home := os.Getenv("HOME"); home != "" {
-		dir := path.Join(os.Getenv("HOME"), ".config/nwg-panel")
+		dir := path.Join(home, ".config/nwg-panel")
 		return dir, nil
 	}
 
@@ -164,10 +152,10 @@ func oldConfigDir() (string, error) {
 
 func configDir() string {
 	var dir string
-	if os.Getenv("XDG_CONFIG_HOME") != "" {
+	if xdgConfig := os.Getenv("XDG_CONFIG_HOME"); xdgConfig != "" {
-		dir = path.Join(os.Getenv("XDG_CONFIG_HOME"), "nwg-drawer")
+		dir = path.Join(xdgConfig, "nwg-drawer")
-	} else if os.Getenv("HOME") != "" {
+	} else if home := os.Getenv("HOME"); home != "" {
-		dir = path.Join(os.Getenv("HOME"), ".config/nwg-drawer")
+		dir = path.Join(home, ".config/nwg-drawer")
 	}
 
 	log.Infof("Config dir: %s", dir)
@@ -176,6 +164,27 @@ func configDir() string {
 	return dir
 }
 
+func configHome() string {
+	if os.Getenv("XDG_CONFIG_HOME") != "" {
+		return os.Getenv("XDG_CONFIG_HOME")
+	}
+	return path.Join(os.Getenv("HOME"), ".config")
+}
+
+func dataHome() string {
+	var dir string
+	if xdgData := os.Getenv("XDG_DATA_HOME"); xdgData != "" {
+		dir = path.Join(xdgData, "nwg-drawer")
+	} else if home := os.Getenv("HOME"); home != "" {
+		dir = path.Join(home, ".local/share/nwg-drawer")
+	}
+
+	log.Debugf("Data home: %s", dir)
+	createDir(dir)
+
+	return dir
+}
+
 func createDir(dir string) {
 	if _, err := os.Stat(dir); os.IsNotExist(err) {
 		err := os.MkdirAll(dir, os.ModePerm)
@@ -186,7 +195,7 @@ func createDir(dir string) {
 }
 
 func copyFile(src, dst string) error {
-	log.Infof("Copying file: %s", dst)
+	log.Infof("Copying: '%s' => '%s'", src, dst)
 
 	var err error
 	var srcfd *os.File
@@ -222,15 +231,30 @@ func copyFile(src, dst string) error {
 	return os.Chmod(dst, srcinfo.Mode())
 }
 
+func dataDir() string {
+	xdgDataDirs := os.Getenv("XDG_DATA_DIRS")
+	if xdgDataDirs == "" {
+		xdgDataDirs = "/usr/local/share/:/usr/share/"
+	}
+	for _, d := range strings.Split(xdgDataDirs, ":") {
+		p := filepath.Join(d, "nwg-drawer")
+		q := filepath.Join(p, "desktop-directories")
+		if pathExists(q) {
+			log.Infof("Data dir: %v", p)
+			return p
+		}
+	}
+	log.Warnf("Data dir not found")
+	return ""
+}
+
 func getAppDirs() []string {
 	var dirs []string
-	xdgDataDirs := ""
 
 	home := os.Getenv("HOME")
 	xdgDataHome := os.Getenv("XDG_DATA_HOME")
-	if os.Getenv("XDG_DATA_DIRS") != "" {
+	xdgDataDirs := os.Getenv("XDG_DATA_DIRS")
-		xdgDataDirs = os.Getenv("XDG_DATA_DIRS")
+	if xdgDataDirs == "" {
-	} else {
 		xdgDataDirs = "/usr/local/share/:/usr/share/"
 	}
 	if xdgDataHome != "" {
@@ -312,9 +336,10 @@ func listDesktopFiles() []string {
 func setUpCategories() {
 	var other category
 
+	dDir := dataDir()
 	for _, cName := range categoryNames {
 		fileName := fmt.Sprintf("%s.directory", cName)
-		fp := filepath.Join("/usr/share/nwg-drawer/desktop-directories", fileName)
+		fp := filepath.Join(dDir, "desktop-directories", fileName)
 		lines, err := loadTextFile(fp)
 		if err == nil {
 			var cat category
@@ -398,7 +423,7 @@ func parseDesktopFiles(desktopFiles []string) string {
 		assignToLists(entry.DesktopID, entry.Category)
 	}
 	sort.Slice(desktopEntries, func(i, j int) bool {
-		return desktopEntries[i].NameLoc < desktopEntries[j].NameLoc
+		return strings.ToLower(desktopEntries[i].NameLoc) < strings.ToLower(desktopEntries[j].NameLoc)
 	})
 	summary := fmt.Sprintf("%v entries (+%v hidden)", len(desktopEntries)-hidden, hidden)
 	log.Infof("Skipped %v duplicates; %v .desktop entries hidden by \"NoDisplay=true\"", skipped, hidden)
@@ -545,7 +570,7 @@ func savePinned() {
 	}
 }
 
-func launch(command string, terminal bool) {
+func launch(command string, terminal bool, terminate bool) {
 	// trim % and everything afterwards
 	if strings.Contains(command, "%") {
 		cutAt := strings.Index(command, "%")
@@ -554,47 +579,40 @@ func launch(command string, terminal bool) {
 		}
 	}
 
-	elements := strings.Split(command, " ")
+	themeToPrepend := ""
-
+	//add "GTK_THEME=<default_gtk_theme>" environment variable
-	// find prepended env variables, if any
+	if *forceTheme {
-	envVarsNum := strings.Count(command, "=")
+		settings := gtk.SettingsGetDefault()
-	var envVars []string
+		th := settings.ObjectProperty("gtk-theme-name")
-
+		themeToPrepend = th.(string)
-	cmdIdx := -1
-
-	if envVarsNum > 0 {
-		for idx, item := range elements {
-			if strings.Contains(item, "=") {
-				envVars = append(envVars, item)
-			} else if !strings.HasPrefix(item, "-") && cmdIdx == -1 {
-				cmdIdx = idx
-			}
-		}
-	}
-	if cmdIdx == -1 {
-		cmdIdx = 0
 	}
 
-	cmd := exec.Command(elements[cmdIdx], elements[1+cmdIdx:]...)
+	if themeToPrepend != "" {
+		command = fmt.Sprintf("GTK_THEME=%q %s", themeToPrepend, command)
+	}
+
+	var elements = []string{"/usr/bin/env", "-S", command}
+
+	cmd := exec.Command(elements[0], elements[1:]...)
 
 	if terminal {
+		var prefixCommand = *term
 		var args []string
-		if *term != "foot" {
+		if prefixCommand != "foot" {
-			args = []string{"-e", elements[cmdIdx]}
+			args = []string{"-e", command}
 		} else {
-			args = []string{elements[cmdIdx]}
+			args = elements
 		}
-
+		cmd = exec.Command(prefixCommand, args...)
-		cmd = exec.Command(*term, args...)
+	} else if *wm == "sway" {
+		cmd = exec.Command("swaymsg", "exec", strings.Join(elements, " "))
+	} else if *wm == "hyprland" || *wm == "Hyprland" {
+		cmd = exec.Command("hyprctl", "dispatch", "exec", strings.Join(elements, " "))
+	} else if *wm == "river" {
+		cmd = exec.Command("riverctl", "spawn", strings.Join(elements, " "))
 	}
 
-	// set env variables
+	msg := fmt.Sprintf("Executing command: %q; args: %q\n", cmd.Args[0], cmd.Args[1:])
-	if len(envVars) > 0 {
-		cmd.Env = os.Environ()
-		cmd.Env = append(cmd.Env, envVars...)
-	}
-
-	msg := fmt.Sprintf("env vars: %s; command: '%s'; args: %s\n", envVars, elements[cmdIdx], elements[1+cmdIdx:])
 	log.Info(msg)
 
 	cmd.SysProcAttr = &syscall.SysProcAttr{
@@ -611,10 +629,12 @@ func launch(command string, terminal bool) {
 		}()
 	}
 
-	if *resident {
+	if terminate {
-		restoreStateAndHide()
+		if *resident {
-	} else {
+			restoreStateAndHide()
-		gtk.MainQuit()
+		} else {
+			gtk.MainQuit()
+		}
 	}
 }
 
@@ -656,34 +676,109 @@ func open(filePath string, xdgOpen bool) {
 func mapOutputs() (map[string]*gdk.Monitor, error) {
 	result := make(map[string]*gdk.Monitor)
 
-	ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
+	if os.Getenv("HYPRLAND_INSTANCE_SIGNATURE") != "" {
-	defer cancel()
+		err := listHyprlandMonitors()
+		if err == nil {
 
-	client, err := sway.New(ctx)
+			display := gdk.DisplayGetDefault()
-	if err != nil {
-		return nil, err
-	}
 
-	outputs, err := client.GetOutputs(ctx)
+			num := display.NMonitors()
-	if err != nil {
+			for i := 0; i < num; i++ {
-		return nil, err
+				mon := display.Monitor(i)
-	}
+				output := hyprlandMonitors[i]
-
+				result[output.Name] = mon
-	display, err := gdk.DisplayGetDefault()
-	if err != nil {
-		return nil, err
-	}
-
-	num := display.GetNMonitors()
-	for i := 0; i < num; i++ {
-		monitor, _ := display.GetMonitor(i)
-		geometry := monitor.GetGeometry()
-		// assign output to monitor on the basis of the same x, y coordinates
-		for _, output := range outputs {
-			if int(output.Rect.X) == geometry.GetX() && int(output.Rect.Y) == geometry.GetY() {
-				result[output.Name] = monitor
 			}
+		} else {
+			return nil, err
 		}
+
+	} else if os.Getenv("SWAYSOCK") != "" {
+		ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
+		defer cancel()
+
+		client, err := sway.New(ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		outputs, err := client.GetOutputs(ctx)
+		if err != nil {
+			return nil, err
+		}
+
+		display := gdk.DisplayGetDefault()
+		if err != nil {
+			return nil, err
+		}
+
+		num := display.NMonitors()
+		for i := 0; i < num; i++ {
+			mon := display.Monitor(i)
+			output := outputs[i]
+			result[output.Name] = mon
+		}
+	} else {
+		return nil, errors.New("output assignment only supported on sway and Hyprland")
 	}
+
 	return result, nil
 }
+
+// KAdot / https://stackoverflow.com/a/38537764/4040598 - thanks!
+func substring(s string, start int, end int) string {
+	startStrIdx := 0
+	i := 0
+	for j := range s {
+		if i == start {
+			startStrIdx = j
+		}
+		if i == end {
+			return s[startStrIdx:j]
+		}
+		i++
+	}
+	return s[startStrIdx:]
+}
+
+func hyprctl(cmd string) ([]byte, error) {
+	his := os.Getenv("HYPRLAND_INSTANCE_SIGNATURE")
+	xdgRuntimeDir := os.Getenv("XDG_RUNTIME_DIR")
+	hyprDir := ""
+	if xdgRuntimeDir != "" {
+		hyprDir = fmt.Sprintf("%s/hypr", xdgRuntimeDir)
+	} else {
+		hyprDir = "/tmp/hypr"
+	}
+
+	socketFile := fmt.Sprintf("%s/%s/.socket.sock", hyprDir, his)
+	conn, err := net.Dial("unix", socketFile)
+	if err != nil {
+		return nil, err
+	}
+
+	message := []byte(cmd)
+	_, err = conn.Write(message)
+	if err != nil {
+		return nil, err
+	}
+
+	reply := make([]byte, 102400)
+	n, err := conn.Read(reply)
+	if err != nil {
+		return nil, err
+	}
+
+	defer conn.Close()
+
+	return reply[:n], nil
+}
+
+func listHyprlandMonitors() error {
+	reply, err := hyprctl("j/monitors")
+	if err != nil {
+		return err
+	} else {
+		err = json.Unmarshal([]byte(reply), &hyprlandMonitors)
+	}
+	return err
+}

uicomponents.go

@@ -2,21 +2,23 @@ package main
 
 import (
 	"fmt"
+	"github.com/diamondburned/gotk4-layer-shell/pkg/gtklayershell"
 	"io/fs"
 	"path/filepath"
 	"strings"
 
 	log "github.com/sirupsen/logrus"
 
-	"github.com/gotk3/gotk3/gdk"
+	"github.com/diamondburned/gotk4/pkg/gdk/v3"
-	"github.com/gotk3/gotk3/gtk"
+	"github.com/diamondburned/gotk4/pkg/gdkpixbuf/v2"
+	"github.com/diamondburned/gotk4/pkg/gtk/v3"
 )
 
 func setUpPinnedFlowBox() *gtk.FlowBox {
 	if pinnedFlowBox != nil {
 		pinnedFlowBox.Destroy()
 	}
-	flowBox, _ := gtk.FlowBoxNew()
+	flowBox := gtk.NewFlowBox()
 	if uint(len(pinned)) >= *columnsNumber {
 		flowBox.SetMaxChildrenPerLine(*columnsNumber)
 	} else if len(pinned) > 0 {
@@ -26,8 +28,8 @@ func setUpPinnedFlowBox() *gtk.FlowBox {
 	flowBox.SetColumnSpacing(*itemSpacing)
 	flowBox.SetRowSpacing(*itemSpacing)
 	flowBox.SetHomogeneous(true)
-	flowBox.SetProperty("name", "pinned-box")
+	flowBox.SetObjectProperty("name", "pinned-box")
-	flowBox.SetSelectionMode(gtk.SELECTION_NONE)
+	flowBox.SetSelectionMode(gtk.SelectionNone)
 
 	if len(pinned) > 0 {
 		for _, desktopID := range pinned {
@@ -37,19 +39,19 @@ func setUpPinnedFlowBox() *gtk.FlowBox {
 				continue
 			}
 
-			btn, _ := gtk.ButtonNew()
+			btn := gtk.NewButton()
 
 			var img *gtk.Image
 			if entry.Icon != "" {
 				pixbuf, _ := createPixbuf(entry.Icon, *iconSize)
-				img, _ = gtk.ImageNewFromPixbuf(pixbuf)
+				img = gtk.NewImageFromPixbuf(pixbuf)
 			} else {
-				img, _ = gtk.ImageNewFromIconName("image-missing", gtk.ICON_SIZE_INVALID)
+				img = gtk.NewImageFromIconName("image-missing", int(gtk.IconSizeInvalid))
 			}
 
 			btn.SetImage(img)
 			btn.SetAlwaysShowImage(true)
-			btn.SetImagePosition(gtk.POS_TOP)
+			btn.SetImagePosition(gtk.PosTop)
 
 			name := ""
 			if entry.NameLoc != "" {
@@ -58,16 +60,15 @@ func setUpPinnedFlowBox() *gtk.FlowBox {
 				name = entry.Name
 			}
 			if len(name) > 20 {
-				r := []rune(name)
+				r := substring(name, 0, 17)
-				name = string(r[:17])
+				name = fmt.Sprintf("%s…", r)
-				name = fmt.Sprintf("%s…", name)
 			}
 			btn.SetLabel(name)
 
-			btn.Connect("button-release-event", func(row *gtk.Button, e *gdk.Event) bool {
+			btn.Connect("button-release-event", func(row *gtk.Button, event *gdk.Event) bool {
-				btnEvent := gdk.EventButtonNewFromEvent(e)
+				btnEvent := event.AsButton()
 				if btnEvent.Button() == 1 {
-					launch(entry.Exec, entry.Terminal)
+					launch(entry.Exec, entry.Terminal, true)
 					return true
 				} else if btnEvent.Button() == 3 {
 					unpinItem(entry.DesktopID)
@@ -76,7 +77,7 @@ func setUpPinnedFlowBox() *gtk.FlowBox {
 				return false
 			})
 			btn.Connect("activate", func() {
-				launch(entry.Exec, entry.Terminal)
+				launch(entry.Exec, entry.Terminal, true)
 			})
 			btn.Connect("enter-notify-event", func() {
 				statusLabel.SetText(entry.CommentLoc)
@@ -85,13 +86,9 @@ func setUpPinnedFlowBox() *gtk.FlowBox {
 				statusLabel.SetText(entry.CommentLoc)
 			})
 			flowBox.Add(btn)
+			btn.Parent().(*gtk.FlowBoxChild).SetCanFocus(false)
 		}
 		pinnedFlowBoxWrapper.PackStart(flowBox, true, false, 0)
-
-		//While moving focus with arrow keys we want buttons to get focus directly
-		flowBox.GetChildren().Foreach(func(item interface{}) {
-			item.(*gtk.Widget).SetCanFocus(false)
-		})
 	}
 	flowBox.ShowAll()
 
@@ -111,17 +108,17 @@ func setUpCategoriesButtonBox() *gtk.EventBox {
 		"other":                listOther,
 	}
 
-	eventBox, _ := gtk.EventBoxNew()
+	eventBox := gtk.NewEventBox()
 
-	hBox, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	hBox := gtk.NewBox(gtk.OrientationHorizontal, 0)
 	eventBox.Add(hBox)
-	button, _ := gtk.ButtonNewWithLabel("All")
+	button := gtk.NewButtonWithLabel("All")
-	button.SetProperty("name", "category-button")
+	button.SetObjectProperty("name", "category-button")
 	button.Connect("clicked", func(item *gtk.Button) {
 		searchEntry.SetText("")
 		appFlowBox = setUpAppsFlowBox(nil, "")
 		for _, btn := range catButtons {
-			btn.SetImagePosition(gtk.POS_LEFT)
+			btn.SetImagePosition(gtk.PosLeft)
 			btn.SetSizeRequest(0, 0)
 		}
 	})
@@ -129,8 +126,8 @@ func setUpCategoriesButtonBox() *gtk.EventBox {
 
 	for _, cat := range categories {
 		if isSupposedToShowUp(cat.Name) {
-			button, _ = gtk.ButtonNewFromIconName(cat.Icon, gtk.ICON_SIZE_MENU)
+			button = gtk.NewButtonFromIconName(cat.Icon, int(gtk.IconSizeMenu))
-			button.SetProperty("name", "category-button")
+			button.SetObjectProperty("name", "category-button")
 			catButtons = append(catButtons, button)
 			button.SetLabel(cat.DisplayName)
 			button.SetAlwaysShowImage(true)
@@ -139,13 +136,13 @@ func setUpCategoriesButtonBox() *gtk.EventBox {
 			b := *button
 			button.Connect("clicked", func(item *gtk.Button) {
 				searchEntry.SetText("")
-				// !!! since gotk3 FlowBox type does not implement set_filter_func, we need to rebuild appFlowBox
+				// One day or another we'll add SetFilterFunction here; it was impossible on the gotk3 library
 				appFlowBox = setUpAppsFlowBox(lists[name], "")
 				for _, btn := range catButtons {
-					btn.SetImagePosition(gtk.POS_LEFT)
+					btn.SetImagePosition(gtk.PosLeft)
 				}
-				w := b.GetAllocatedWidth()
+				w := b.AllocatedWidth()
-				b.SetImagePosition(gtk.POS_TOP)
+				b.SetImagePosition(gtk.PosTop)
 				b.SetSizeRequest(w, 0)
 				if fileSearchResultWrapper != nil {
 					fileSearchResultWrapper.Hide()
@@ -187,13 +184,13 @@ func setUpAppsFlowBox(categoryList []string, searchPhrase string) *gtk.FlowBox {
 	if appFlowBox != nil {
 		appFlowBox.Destroy()
 	}
-	flowBox, _ := gtk.FlowBoxNew()
+	flowBox := gtk.NewFlowBox()
 	flowBox.SetMinChildrenPerLine(*columnsNumber)
 	flowBox.SetMaxChildrenPerLine(*columnsNumber)
 	flowBox.SetColumnSpacing(*itemSpacing)
 	flowBox.SetRowSpacing(*itemSpacing)
 	flowBox.SetHomogeneous(true)
-	flowBox.SetSelectionMode(gtk.SELECTION_NONE)
+	flowBox.SetSelectionMode(gtk.SelectionNone)
 
 	for _, entry := range desktopEntries {
 		if searchPhrase == "" {
@@ -206,6 +203,7 @@ func setUpAppsFlowBox(categoryList []string, searchPhrase string) *gtk.FlowBox {
 				} else {
 					button := flowBoxButton(entry)
 					flowBox.Add(button)
+					button.Parent().(*gtk.FlowBoxChild).SetCanFocus(false)
 				}
 			}
 		} else {
@@ -215,26 +213,24 @@ func setUpAppsFlowBox(categoryList []string, searchPhrase string) *gtk.FlowBox {
 				strings.Contains(strings.ToLower(entry.Exec), strings.ToLower(searchPhrase))) {
 				button := flowBoxButton(entry)
 				flowBox.Add(button)
+				button.Parent().(*gtk.FlowBoxChild).SetCanFocus(false)
 			}
 		}
 	}
-	hWrapper, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	hWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
 	appSearchResultWrapper.PackStart(hWrapper, false, false, 0)
 	hWrapper.PackStart(flowBox, true, false, 0)
-	// While moving focus with arrow keys we want buttons to get focus directly
+
-	flowBox.GetChildren().Foreach(func(item interface{}) {
-		item.(*gtk.Widget).SetCanFocus(false)
-	})
 	resultWindow.ShowAll()
 
 	return flowBox
 }
 
 func flowBoxButton(entry desktopEntry) *gtk.Button {
-	button, _ := gtk.ButtonNew()
+	button := gtk.NewButton()
 	button.SetAlwaysShowImage(true)
 
-	var pixbuf *gdk.Pixbuf
+	var pixbuf *gdkpixbuf.Pixbuf
 	var img *gtk.Image
 	var err error
 	if entry.Icon != "" {
@@ -246,15 +242,14 @@ func flowBoxButton(entry desktopEntry) *gtk.Button {
 	if err != nil {
 		pixbuf, _ = createPixbuf("unknown", *iconSize)
 	}
-	img, _ = gtk.ImageNewFromPixbuf(pixbuf)
+	img = gtk.NewImageFromPixbuf(pixbuf)
 
 	button.SetImage(img)
-	button.SetImagePosition(gtk.POS_TOP)
+	button.SetImagePosition(gtk.PosTop)
 	name := entry.NameLoc
 	if len(name) > 20 {
-		r := []rune(name[:17])
+		r := substring(name, 0, 17)
-		name = string(r)
+		name = fmt.Sprintf("%s…", r)
-		name = fmt.Sprintf("%s…", name)
 	}
 	button.SetLabel(name)
 
@@ -263,15 +258,22 @@ func flowBoxButton(entry desktopEntry) *gtk.Button {
 	terminal := entry.Terminal
 	desc := entry.CommentLoc
 	if len(desc) > 120 {
-		r := []rune(desc[:117])
+		r := substring(desc, 0, 117)
-		desc = string(r)
+		desc = fmt.Sprintf("%s…", r)
-		desc = fmt.Sprintf("%s…", desc)
 	}
-	button.Connect("button-release-event", func(btn *gtk.Button, e *gdk.Event) bool {
+
-		btnEvent := gdk.EventButtonNewFromEvent(e)
+	button.Connect("button-press-event", func() {
+		// if not scrolled from now on, we will allow launching apps on button-release-event
+		beenScrolled = false
+	})
+
+	button.Connect("button-release-event", func(btn *gtk.Button, event *gdk.Event) bool {
+		btnEvent := event.AsButton()
 		if btnEvent.Button() == 1 {
-			launch(exec, terminal)
+			if !beenScrolled {
-			return true
+				launch(exec, terminal, true)
+				return true
+			}
 		} else if btnEvent.Button() == 3 {
 			pinItem(ID)
 			return true
@@ -279,23 +281,70 @@ func flowBoxButton(entry desktopEntry) *gtk.Button {
 		return false
 	})
 	button.Connect("activate", func() {
-		launch(exec, terminal)
+		launch(exec, terminal, true)
 	})
 	button.Connect("enter-notify-event", func() {
 		statusLabel.SetText(desc)
 	})
+	button.Connect("leave-notify-event", func() {
+		statusLabel.SetText("")
+	})
 	button.Connect("focus-in-event", func() {
 		statusLabel.SetText(desc)
 	})
 	return button
 }
 
+func powerButton(iconPathOrName, command string) *gtk.Button {
+	button := gtk.NewButton()
+	button.SetAlwaysShowImage(true)
+
+	var pixbuf *gdkpixbuf.Pixbuf
+	var img *gtk.Image
+	var err error
+	if !*pbUseIconTheme {
+		pixbuf, err = gdkpixbuf.NewPixbufFromFileAtSize(iconPathOrName, *pbSize, *pbSize)
+		if err != nil {
+			pixbuf, _ = createPixbuf("unknown", *pbSize)
+			log.Warnf("Couldn't find icon %s", iconPathOrName)
+		}
+		img = gtk.NewImageFromPixbuf(pixbuf)
+	} else {
+		img = gtk.NewImageFromIconName(iconPathOrName, int(gtk.IconSizeDialog))
+	}
+
+	button.SetImage(img)
+	button.SetImagePosition(gtk.PosTop)
+
+	button.Connect("button-release-event", func(btn *gtk.Button, event *gdk.Event) bool {
+		btnEvent := event.AsButton()
+		if btnEvent.Button() == 1 {
+			launch(command, false, true)
+			return true
+		}
+		return false
+	})
+	button.Connect("activate", func() {
+		launch(command, false, true)
+	})
+	button.Connect("enter-notify-event", func() {
+		statusLabel.SetText(command)
+	})
+	button.Connect("leave-notify-event", func() {
+		statusLabel.SetText("")
+	})
+	button.Connect("focus-in-event", func() {
+		statusLabel.SetText(command)
+	})
+	return button
+}
+
 func setUpFileSearchResultContainer() *gtk.FlowBox {
 	if fileSearchResultFlowBox != nil {
 		fileSearchResultFlowBox.Destroy()
 	}
-	flowBox, _ := gtk.FlowBoxNew()
+	flowBox := gtk.NewFlowBox()
-	flowBox.SetProperty("orientation", gtk.ORIENTATION_VERTICAL)
+	flowBox.SetObjectProperty("orientation", gtk.OrientationVertical)
 	fileSearchResultWrapper.PackStart(flowBox, false, false, 10)
 
 	return flowBox
@@ -308,7 +357,7 @@ func walk(path string, d fs.DirEntry, e error) error {
 	// don't search leading part of the path, as e.g. '/home/user/Pictures'
 	toSearch := strings.Split(path, ignore)[1]
 
-	// Remaing part of the path (w/o file name) must be checked against being present in excluded dirs
+	// Remaining part of the path (w/o file name) must be checked against being present in excluded dirs
 	doSearch := true
 	parts := strings.Split(toSearch, "/")
 	remainingPart := ""
@@ -332,18 +381,15 @@ func walk(path string, d fs.DirEntry, e error) error {
 }
 
 func setUpSearchEntry() *gtk.SearchEntry {
-	searchEntry, _ := gtk.SearchEntryNew()
+	sEntry := gtk.NewSearchEntry()
-	searchEntry.SetPlaceholderText("Type to search")
+	sEntry.SetPlaceholderText("Type to search")
-	/*searchEntry.Connect("enter-notify-event", func() {
+	sEntry.Connect("search-changed", func() {
-		cancelClose()
-	})*/
-	searchEntry.Connect("search-changed", func() {
 		for _, btn := range catButtons {
-			btn.SetImagePosition(gtk.POS_LEFT)
+			btn.SetImagePosition(gtk.PosLeft)
 			btn.SetSizeRequest(0, 0)
 		}
 
-		phrase, _ = searchEntry.GetText()
+		phrase = sEntry.Text()
 		if len(phrase) > 0 {
 
 			// search apps
@@ -363,7 +409,7 @@ func setUpSearchEntry() *gtk.SearchEntry {
 						searchUserDir(key)
 					}
 				}
-				if fileSearchResultFlowBox.GetChildren().Length() == 0 {
+				if len(fileSearchResultFlowBox.Children()) == 0 {
 					fileSearchResultWrapper.Hide()
 					statusLabel.SetText("0 results")
 				}
@@ -377,25 +423,22 @@ func setUpSearchEntry() *gtk.SearchEntry {
 				}
 			}
 			// focus 1st search result #17
-			var w *gtk.Widget
+			var w *gtk.Button
 			if appFlowBox != nil {
-				b := appFlowBox.GetChildAtIndex(0)
+				b := appFlowBox.ChildAtIndex(0)
 				if b != nil {
-					button, err := b.GetChild()
+					button := b.Child().(*gtk.Button)
-					if err == nil {
+					button.SetCanFocus(true)
-						button.ToWidget().GrabFocus()
+					button.GrabFocus()
-						w = button.ToWidget()
+					w = button
-					}
 				}
 			}
 			if w == nil && fileSearchResultFlowBox != nil {
-				f := fileSearchResultFlowBox.GetChildAtIndex(0)
+				f := fileSearchResultFlowBox.ChildAtIndex(0)
 				if f != nil {
-					button, err := f.GetChild()
+					button := f.Child().(*gtk.Box)
-					if err == nil {
+					button.SetCanFocus(true)
-						button.ToWidget().SetCanFocus(true)
+					button.GrabFocus()
-						button.ToWidget().GrabFocus()
-					}
 				}
 			}
 		} else {
@@ -412,7 +455,7 @@ func setUpSearchEntry() *gtk.SearchEntry {
 		}
 	})
 
-	return searchEntry
+	return sEntry
 }
 
 func isExcluded(dir string) bool {
@@ -432,13 +475,16 @@ func searchUserDir(dir string) {
 	if len(fileSearchResults) > 0 {
 		btn := setUpUserDirButton(fmt.Sprintf("folder-%s", dir), "", dir, userDirsMap)
 		fileSearchResultFlowBox.Add(btn)
+		btn.Parent().(*gtk.FlowBoxChild).SetCanFocus(false)
 
 		for _, path := range fileSearchResults {
+			log.Debugf("Path: %s", path)
 			partOfPathToShow := strings.Split(path, userDirsMap[dir])[1]
 			if partOfPathToShow != "" {
 				if !(strings.HasPrefix(path, "#is_dir#") && isExcluded(path)) {
-					btn := setUpUserFileSearchResultButton(partOfPathToShow, path)
+					button := setUpUserFileSearchResultButton(partOfPathToShow, path)
-					fileSearchResultFlowBox.Add(btn)
+					fileSearchResultFlowBox.Add(button)
+					button.Parent().(*gtk.FlowBoxChild).SetCanFocus(false)
 				}
 
 			}
@@ -446,14 +492,11 @@ func searchUserDir(dir string) {
 		fileSearchResultFlowBox.Hide()
 
 		statusLabel.SetText(fmt.Sprintf("%v results | LMB: xdg-open | RMB: file manager",
-			fileSearchResultFlowBox.GetChildren().Length()))
+			len(fileSearchResultFlowBox.Children())))
-		num := uint(fileSearchResultFlowBox.GetChildren().Length() / *fsColumns)
+		num := uint(len(fileSearchResultFlowBox.Children())) / *fsColumns
 		fileSearchResultFlowBox.SetMinChildrenPerLine(num + 1)
 		fileSearchResultFlowBox.SetMaxChildrenPerLine(num + 1)
-		//While moving focus with arrow keys we want buttons to get focus directly
+
-		fileSearchResultFlowBox.GetChildren().Foreach(func(item interface{}) {
-			item.(*gtk.Widget).SetCanFocus(false)
-		})
 		fileSearchResultFlowBox.ShowAll()
 	}
 }
@@ -463,10 +506,10 @@ func setUpUserDirButton(iconName, displayName, entryName string, userDirsMap map
 		parts := strings.Split(userDirsMap[entryName], "/")
 		displayName = parts[(len(parts) - 1)]
 	}
-	box, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	box := gtk.NewBox(gtk.OrientationHorizontal, 0)
-	button, _ := gtk.ButtonNew()
+	button := gtk.NewButton()
 	button.SetAlwaysShowImage(true)
-	img, _ := gtk.ImageNewFromIconName(iconName, gtk.ICON_SIZE_MENU)
+	img := gtk.NewImageFromIconName(iconName, int(gtk.IconSizeMenu))
 	button.SetImage(img)
 
 	if len(displayName) > *nameLimit {
@@ -474,8 +517,8 @@ func setUpUserDirButton(iconName, displayName, entryName string, userDirsMap map
 	}
 	button.SetLabel(displayName)
 
-	button.Connect("button-release-event", func(btn *gtk.Button, e *gdk.Event) bool {
+	button.Connect("button-release-event", func(btn *gtk.Button, event *gdk.Event) bool {
-		btnEvent := gdk.EventButtonNewFromEvent(e)
+		btnEvent := event.AsButton()
 		if btnEvent.Button() == 1 {
 			open(userDirsMap[entryName], true)
 			return true
@@ -486,18 +529,22 @@ func setUpUserDirButton(iconName, displayName, entryName string, userDirsMap map
 		return false
 	})
 
+	button.Connect("activate", func() {
+		open(userDirsMap[entryName], true)
+	})
+
 	box.PackStart(button, false, true, 0)
 	return box
 }
 
 func setUpUserFileSearchResultButton(fileName, filePath string) *gtk.Box {
-	box, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	box := gtk.NewBox(gtk.OrientationHorizontal, 0)
-	button, _ := gtk.ButtonNew()
+	button := gtk.NewButton()
 
 	// in the walk function we've marked directories with the '#is_dir#' prefix
 	if strings.HasPrefix(filePath, "#is_dir#") {
 		filePath = filePath[8:]
-		img, _ := gtk.ImageNewFromIconName("folder", gtk.ICON_SIZE_MENU)
+		img := gtk.NewImageFromIconName("folder", int(gtk.IconSizeMenu))
 		button.SetAlwaysShowImage(true)
 		button.SetImage(img)
 	}
@@ -512,8 +559,8 @@ func setUpUserFileSearchResultButton(fileName, filePath string) *gtk.Box {
 		button.SetTooltipText(tooltipText)
 	}
 
-	button.Connect("button-release-event", func(btn *gtk.Button, e *gdk.Event) bool {
+	button.Connect("button-release-event", func(btn *gtk.Button, event *gdk.Event) bool {
-		btnEvent := gdk.EventButtonNewFromEvent(e)
+		btnEvent := event.AsButton()
 		if btnEvent.Button() == 1 {
 			open(filePath, true)
 			return true
@@ -527,7 +574,54 @@ func setUpUserFileSearchResultButton(fileName, filePath string) *gtk.Box {
 	button.Connect("activate", func() {
 		open(filePath, true)
 	})
-
 	box.PackStart(button, false, true, 0)
 	return box
 }
+
+func setUpOperationResultWindow(operation string, result string) {
+	window := gtk.NewWindow(gtk.WindowToplevel)
+	window.SetModal(true)
+
+	if wayland() {
+		gtklayershell.InitForWindow(window)
+		gtklayershell.SetLayer(window, gtklayershell.LayerShellLayerOverlay)
+		gtklayershell.SetKeyboardMode(window, gtklayershell.LayerShellKeyboardModeExclusive)
+	}
+
+	// any key to close the window
+	window.Connect("key-release-event", func(_ *gtk.Window, event *gdk.Event) bool {
+		window.Destroy()
+		return true
+	})
+
+	// any button to close the window
+	window.Connect("button-release-event", func(_ *gtk.Window, event *gdk.Event) bool {
+		window.Destroy()
+		return true
+	})
+
+	outerVBox := gtk.NewBox(gtk.OrientationVertical, 6)
+	window.Add(outerVBox)
+
+	vBox := gtk.NewBox(gtk.OrientationHorizontal, 5)
+	outerVBox.PackStart(vBox, true, true, 6)
+	lbl := gtk.NewLabel(fmt.Sprintf("%s = %s", operation, result))
+	lbl.SetObjectProperty("name", "math-label")
+	vBox.PackStart(lbl, true, true, 12)
+
+	mRefProvider := gtk.NewCSSProvider()
+	css := "window { background-color: rgba (0, 0, 0, 255); color: #fff; border: solid 1px grey; border-radius: 5px}"
+	err := mRefProvider.LoadFromData(css)
+	if err != nil {
+		log.Warn(err)
+	}
+	ctx := window.StyleContext()
+	ctx.AddProvider(mRefProvider, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
+
+	window.ShowAll()
+
+	if wayland() {
+		cmd := fmt.Sprintf("wl-copy %v", result)
+		launch(cmd, false, false)
+	}
+}

watcher.go

@@ -20,12 +20,12 @@ func watchFiles() {
 	defer watcher.Close()
 
 	if err := watcher.Add(pinnedFile); err != nil {
-		log.Errorf("ERROR", err)
+		log.Errorf("ERROR: %s", err)
 	}
 
 	for _, fp := range appDirs {
 		if err := filepath.Walk(fp, watchDir); err != nil {
-			log.Errorf("ERROR", err)
+			log.Errorf("ERROR: %s", err)
 		}
 	}
 
@@ -47,7 +47,7 @@ func watchFiles() {
 				}
 
 			case err := <-watcher.Errors:
-				log.Errorf("ERROR", err)
+				log.Errorf("ERROR: %s", err)
 			}
 		}
 	}()