remove search bar

hide&wait for the program to exit.

Makefile

@@ -1,11 +1,11 @@
 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:

README.md

@@ -172,7 +172,7 @@ Edit `~/.config/nwg-drawer/drawer.css` to your taste.
 When the search phrase is at least 3 characters long, your XDG user directories are being searched.
 
 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
 
@@ -199,21 +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

@@ -1,19 +1,22 @@
 module github.com/nwg-piotr/nwg-drawer
 
-go 1.22
+go 1.23
 
 require (
 	github.com/allan-simon/go-singleinstance v0.0.0-20210120080615-d0997106ab37
-	github.com/dlasky/gotk3-layershell v0.0.0-20240515133811-5c5115f0d774
+	github.com/diamondburned/gotk4-layer-shell/pkg v0.0.0-20240109211357-6efa9f6dc438
-	github.com/fsnotify/fsnotify v1.7.0
+	github.com/diamondburned/gotk4/pkg v0.3.1
-	github.com/gotk3/gotk3 v0.6.5-0.20240618185848-ff349ae13f56
+	github.com/expr-lang/expr v1.16.9
+	github.com/fsnotify/fsnotify v1.8.0
 	github.com/joshuarubin/go-sway v1.2.0
 	github.com/sirupsen/logrus v1.9.3
 )
 
 require (
+	github.com/KarpelesLab/weak v0.1.1 // indirect
 	github.com/joshuarubin/lifecycle v1.1.4 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
+	go4.org/unsafe/assume-no-moving-gc v0.0.0-20231121144256-b99613f794b6 // indirect
-	golang.org/x/sys v0.25.0 // indirect
+	golang.org/x/sync v0.9.0 // indirect
+	golang.org/x/sys v0.27.0 // indirect
 )

go.sum

@@ -1,15 +1,20 @@
+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 v0.0.0-20240515133811-5c5115f0d774 h1:o87OVL4olQBlVwN3+NSVQpS6gj9FWUYtxOfHXWZigUE=
+github.com/diamondburned/gotk4-layer-shell/pkg v0.0.0-20240109211357-6efa9f6dc438 h1:Ymnl4B+Fn4srLxXbRV2RY1iHT2SH3oAkOfxeEeMI3Fg=
-github.com/dlasky/gotk3-layershell v0.0.0-20240515133811-5c5115f0d774/go.mod h1:JHLx2Wz4mAPVwn4PFhC69ydwyHP4A3wQvlg7HKVVc1U=
+github.com/diamondburned/gotk4-layer-shell/pkg v0.0.0-20240109211357-6efa9f6dc438/go.mod h1:AjrxxF6teeNWgaEg0zIUwoqFtXlVTHlEGZvrOn7RXaQ=
+github.com/diamondburned/gotk4/pkg v0.3.1 h1:uhkXSUPUsCyz3yujdvl7DSN8jiLS2BgNTQE95hk6ygg=
+github.com/diamondburned/gotk4/pkg v0.3.1/go.mod h1:DqeOW+MxSZFg9OO+esk4JgQk0TiUJJUBfMltKhG+ub4=
+github.com/expr-lang/expr v1.16.9 h1:WUAzmR0JNI9JCiF0/ewwHB1gmcGw5wW7nWt8gc6PpCI=
+github.com/expr-lang/expr v1.16.9/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
 github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
-github.com/gotk3/gotk3 v0.6.1/go.mod h1:/hqFpkNa9T3JgNAE2fLvCdov7c5bw//FHNZrZ3Uv9/Q=
+github.com/fsnotify/fsnotify v1.8.0 h1:dAwr6QBTBZIkG8roQaJjGof0pp0EeF+tNV7YBP3F/8M=
-github.com/gotk3/gotk3 v0.6.5-0.20240618185848-ff349ae13f56 h1:eR+xxC8qqKuPMTucZqaklBxLIT7/4L7dzhlwKMrDbj8=
+github.com/fsnotify/fsnotify v1.8.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
-github.com/gotk3/gotk3 v0.6.5-0.20240618185848-ff349ae13f56/go.mod h1:/hqFpkNa9T3JgNAE2fLvCdov7c5bw//FHNZrZ3Uv9/Q=
 github.com/joshuarubin/go-sway v1.2.0 h1:t3eqW504//uj9PDwFf0+IVfkD+WoOGaDX5gYIe0BHyM=
 github.com/joshuarubin/go-sway v1.2.0/go.mod h1:qcDd6f25vJ0++wICwA1BainIcRC67p2Mb4lsrZ0k3/k=
 github.com/joshuarubin/lifecycle v1.0.0/go.mod h1:sRy++ATvR9Ee21tkRdFkQeywAWvDsue66V70K0Dnl54=
@@ -27,16 +32,18 @@ go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go4.org/unsafe/assume-no-moving-gc v0.0.0-20231121144256-b99613f794b6 h1:lGdhQUN/cnWdSH3291CUuxSEqc+AsGTiDxPP3r2J0l4=
+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/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
 golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+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 v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
-golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
-golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+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=

main.go

@@ -12,16 +12,18 @@ import (
 	"syscall"
 	"time"
 
-	log "github.com/sirupsen/logrus"
+	"github.com/diamondburned/gotk4-layer-shell/pkg/gtklayershell"
+	"github.com/expr-lang/expr"
 
 	"github.com/allan-simon/go-singleinstance"
-	"github.com/dlasky/gotk3-layershell/layershell"
+	log "github.com/sirupsen/logrus"
-	"github.com/gotk3/gotk3/gdk"
+
-	"github.com/gotk3/gotk3/glib"
+	"github.com/diamondburned/gotk4/pkg/gdk/v3"
-	"github.com/gotk3/gotk3/gtk"
+	"github.com/diamondburned/gotk4/pkg/glib/v2"
+	"github.com/diamondburned/gotk4/pkg/gtk/v3"
 )
 
-const version = "0.5.0"
+const version = "0.6.0"
 
 var (
 	appDirs          []string
@@ -111,10 +113,10 @@ var desktopEntries []desktopEntry
 
 // UI elements
 var (
-	win                     *gtk.Window
+	win               *gtk.Window
-	resultWindow            *gtk.ScrolledWindow
+	resultWindow      *gtk.ScrolledWindow
-	fileSearchResults       []string
+	fileSearchResults []string
-	searchEntry             *gtk.SearchEntry
+	//searchEntry             *gtk.SearchEntry
 	phrase                  string
 	fileSearchResultFlowBox *gtk.FlowBox
 	userDirsMap             map[string]string
@@ -386,90 +388,79 @@ 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")
 	}
 
 	if *gtkIconTheme != "" {
-		err = settings.SetProperty("gtk-icon-theme-name", *gtkIconTheme)
+		settings.SetObjectProperty("gtk-icon-theme-name", *gtkIconTheme)
-		if err != nil {
+		log.Infof("User demanded icon theme: %s", *gtkIconTheme)
-			log.Error("Unable to set icon theme:", err)
-		} else {
-			log.Infof("User demanded icon theme: %s", *gtkIconTheme)
-		}
 	}
 
-	cssProvider, _ := gtk.CssProviderNew()
+	cssProvider := gtk.NewCSSProvider()
 
 	err = cssProvider.LoadFromPath(*cssFileName)
 	if err != nil {
 		log.Errorf("ERROR: %s css file not found or erroneous. Using GTK styling.", *cssFileName)
 	} 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: %s", output2mon)
+			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")
-			layershell.SetKeyboardMode(win, layershell.LAYER_SHELL_KEYBOARD_MODE_ON_DEMAND)
+			gtklayershell.SetKeyboardMode(win, gtklayershell.LayerShellKeyboardModeOnDemand)
 		} else {
 			log.Info("Setting GTK layer shell keyboard mode to default: exclusive")
-			layershell.SetKeyboardMode(win, layershell.LAYER_SHELL_KEYBOARD_MODE_EXCLUSIVE)
+			gtklayershell.SetKeyboardMode(win, gtklayershell.LayerShellKeyboardModeExclusive)
 		}
 
 	}
@@ -479,12 +470,14 @@ func main() {
 	})
 
 	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()
+			s := ""
 			if s != "" {
-				searchEntry.GrabFocus()
+				//searchEntry.GrabFocus()
-				searchEntry.SetText("")
+				//searchEntry.SetText("")
 			} else {
 				if !*resident {
 					gtk.MainQuit()
@@ -493,27 +486,43 @@ func main() {
 				}
 			}
 			return true
-		} else if key.KeyVal() == gdk.KEY_Tab {
+
+		} else if key.Keyval() == gdk.KEY_Tab {
 			if firstPowerBtn != nil {
-				firstPowerBtn.ToWidget().GrabFocus()
+				firstPowerBtn.GrabFocus()
 			}
+
+		} else if key.Keyval() == gdk.KEY_Return {
+			//s := searchEntry.Text()
+			s := ""
+			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(_ *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
 
 		default:
-			if !searchEntry.IsFocus() {
+			//if !searchEntry.IsFocus() {
-				searchEntry.GrabFocusWithoutSelecting()
+			//	searchEntry.GrabFocusWithoutSelecting()
-			}
+			//}
-			return false
 		}
+		return false
 	})
 
 	/*
@@ -528,48 +537,49 @@ 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)
+	//outerVBox.PackStart(searchBoxWrapper, false, false, 10)
 
-	searchEntry = setUpSearchEntry()
+	//searchEntry = setUpSearchEntry()
-	searchEntry.SetMaxWidthChars(30)
+	//searchEntry.SetMaxWidthChars(30)
-	searchBoxWrapper.PackStart(searchEntry, true, false, 0)
+	//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)
 
 	// On touch screen we don't want the button-release-event to launch the app if the user just wanted to scroll the
 	// 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.GetVAdjustment()
+	vAdj := resultWindow.VAdjustment()
 	vAdj.Connect("value-changed", func() {
 		beenScrolled = true
 	})
-	hAdj := resultWindow.GetHAdjustment()
+	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 := gdk.EventButtonNewFromEvent(event)
+		btnEvent := event.AsButton()
 		if btnEvent.Button() == 3 {
 			if !*resident {
 				gtk.MainQuit()
@@ -582,35 +592,35 @@ 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)
 	}
@@ -618,13 +628,13 @@ func main() {
 	// Power Button Bar
 	if dataDirectory != "" {
 		if *pbExit != "" || *pbLock != "" || *pbPoweroff != "" || *pbReboot != "" || *pbSleep != "" {
-			powerBarWrapper, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+			powerBarWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
 			outerVBox.PackStart(powerBarWrapper, false, false, 0)
-			powerButtonsWrapper, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+			powerButtonsWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
 			powerBarWrapper.PackStart(powerButtonsWrapper, true, false, 12)
 
 			if *pbPoweroff != "" {
-				btn, _ := gtk.ButtonNew()
+				btn := gtk.NewButton()
 				if !*pbUseIconTheme {
 					btn = powerButton(filepath.Join(dataDirectory, "img/poweroff.svg"), *pbPoweroff)
 				} else {
@@ -634,7 +644,7 @@ func main() {
 				firstPowerBtn = btn
 			}
 			if *pbSleep != "" {
-				btn, _ := gtk.ButtonNew()
+				btn := gtk.NewButton()
 				if !*pbUseIconTheme {
 					btn = powerButton(filepath.Join(dataDirectory, "img/sleep.svg"), *pbSleep)
 				} else {
@@ -644,7 +654,7 @@ func main() {
 				firstPowerBtn = btn
 			}
 			if *pbReboot != "" {
-				btn, _ := gtk.ButtonNew()
+				btn := gtk.NewButton()
 				if !*pbUseIconTheme {
 					btn = powerButton(filepath.Join(dataDirectory, "img/reboot.svg"), *pbReboot)
 				} else {
@@ -654,7 +664,7 @@ func main() {
 				firstPowerBtn = btn
 			}
 			if *pbExit != "" {
-				btn, _ := gtk.ButtonNew()
+				btn := gtk.NewButton()
 				if !*pbUseIconTheme {
 					btn = powerButton(filepath.Join(dataDirectory, "img/exit.svg"), *pbExit)
 				} else {
@@ -664,7 +674,7 @@ func main() {
 				firstPowerBtn = btn
 			}
 			if *pbLock != "" {
-				btn, _ := gtk.ButtonNew()
+				btn := gtk.NewButton()
 				if !*pbUseIconTheme {
 					btn = powerButton(filepath.Join(dataDirectory, "img/lock.svg"), *pbLock)
 				} else {
@@ -678,21 +688,21 @@ func main() {
 		log.Warn("Couldn't find data dir, power bar icons unavailable")
 	}
 
-	statusLineWrapper, _ := gtk.BoxNew(gtk.ORIENTATION_HORIZONTAL, 0)
+	statusLineWrapper := gtk.NewBox(gtk.OrientationHorizontal, 0)
-	statusLineWrapper.SetProperty("name", "status-line-wrapper")
+	statusLineWrapper.SetObjectProperty("name", "status-line-wrapper")
 	outerVBox.PackStart(statusLineWrapper, false, false, 10)
-	statusLabel, _ = gtk.LabelNew(status)
+	statusLabel = gtk.NewLabel(status)
-	statusLabel.SetProperty("name", "status-label")
+	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()
@@ -726,14 +736,14 @@ 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()
 						}
 					}
 
@@ -764,20 +774,20 @@ func restoreStateAndHide() {
 	}
 
 	// clear search
-	searchEntry.SetText("")
+	//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()
-	log.Debugf(fmt.Sprintf("UI hidden and restored in the backgroud in %v ms", t.Sub(timeStart1).Milliseconds()))
+	log.Debugf(fmt.Sprintf("UI hidden and restored in the background in %v ms", t.Sub(timeStart1).Milliseconds()))
 }

run_forever.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# Infinite loop to run the command
+while true; do
+    echo "Starting nwg-drawer..."
+    bin/nwg-drawer -nocats -nofs -ovl -d
+done &
+
+
+# Return immediately after starting the loop
+echo "The loop is running in the background."

tools.go

@@ -5,8 +5,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/joshuarubin/go-sway"
-	log "github.com/sirupsen/logrus"
 	"io"
 	"io/fs"
 	"net"
@@ -20,22 +18,23 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/gotk3/gotk3/gdk"
+	"github.com/joshuarubin/go-sway"
-	"github.com/gotk3/gotk3/gtk"
+	log "github.com/sirupsen/logrus"
+
+	"github.com/diamondburned/gotk4/pkg/gdk/v3"
+	"github.com/diamondburned/gotk4/pkg/gdkpixbuf/v2"
+	"github.com/diamondburned/gotk4/pkg/gtk/v3"
 )
 
 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 +46,18 @@ 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
 		}
@@ -240,7 +239,8 @@ func dataDir() string {
 	}
 	for _, d := range strings.Split(xdgDataDirs, ":") {
 		p := filepath.Join(d, "nwg-drawer")
-		if pathExists(p) {
+		q := filepath.Join(p, "desktop-directories")
+		if pathExists(q) {
 			log.Infof("Data dir: %v", p)
 			return p
 		}
@@ -251,35 +251,36 @@ func dataDir() string {
 
 func getAppDirs() []string {
 	var dirs []string
+	log.Info("App dirs::")
 
 	home := os.Getenv("HOME")
-	xdgDataHome := os.Getenv("XDG_DATA_HOME")
+	//xdgDataHome := os.Getenv("XDG_DATA_HOME")
-	xdgDataDirs := os.Getenv("XDG_DATA_DIRS")
+	//xdgDataDirs := os.Getenv("XDG_DATA_DIRS")
-	if xdgDataDirs == "" {
-		xdgDataDirs = "/usr/local/share/:/usr/share/"
-	}
-	if xdgDataHome != "" {
-		dirs = append(dirs, filepath.Join(xdgDataHome, "applications"))
-	} else if home != "" {
-		dirs = append(dirs, filepath.Join(home, ".local/share/applications"))
-	}
-	for _, d := range strings.Split(xdgDataDirs, ":") {
-		dirs = append(dirs, filepath.Join(d, "applications"))
-	}
-	flatpakDirs := []string{filepath.Join(home, ".local/share/flatpak/exports/share/applications"),
-		"/var/lib/flatpak/exports/share/applications"}
 
-	for _, d := range flatpakDirs {
+	custom := os.Getenv("CUSTOM_DATA_DIRS")
-		if pathExists(d) && !isIn(dirs, d) {
+
-			dirs = append(dirs, d)
+	if home != ""  {
+		if custom == "" {
+			dirs = append(dirs, filepath.Join(home, "/my_applications"))
+		} else {
+			dirs = append(dirs, filepath.Join(home, custom))
 		}
+
 	} 
+
+
+
+	log.Infof("App dirs: %v", dirs)
+
 	var confirmedDirs []string
 	for _, d := range dirs {
 		if pathExists(d) {
 			confirmedDirs = append(confirmedDirs, d)
 		}
 	}
+
+	log.Infof("App dirs: %v", dirs)
+
 	return confirmedDirs
 }
 
@@ -424,7 +425,7 @@ 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)
@@ -571,7 +572,7 @@ 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, "%")
@@ -581,13 +582,11 @@ func launch(command string, terminal bool) {
 	}
 
 	themeToPrepend := ""
-	// add "GTK_THEME=<default_gtk_theme>" environment variable
+	//add "GTK_THEME=<default_gtk_theme>" environment variable
 	if *forceTheme {
-		settings, _ := gtk.SettingsGetDefault()
+		settings := gtk.SettingsGetDefault()
-		th, err := settings.GetProperty("gtk-theme-name")
+		th := settings.ObjectProperty("gtk-theme-name")
-		if err == nil {
+		themeToPrepend = th.(string)
-			themeToPrepend = th.(string)
-		}
 	}
 
 	if themeToPrepend != "" {
@@ -615,7 +614,7 @@ func launch(command string, terminal bool) {
 		cmd = exec.Command("riverctl", "spawn", strings.Join(elements, " "))
 	}
 
-	msg := fmt.Sprintf("command: %q; args: %q\n", cmd.Args[0], cmd.Args[1:])
+	msg := fmt.Sprintf("Executing command: %q; args: %q\n", cmd.Args[0], cmd.Args[1:])
 	log.Info(msg)
 
 	cmd.SysProcAttr = &syscall.SysProcAttr{
@@ -628,14 +627,18 @@ func launch(command string, terminal bool) {
 		// Collect the exit code of the child process to prevent zombies
 		// if the drawer runs in resident mode
 		go func() {
+			restoreStateAndHide()
 			_ = cmd.Wait()
+			gtk.MainQuit()
+
 		}()
 	}
 
-	if *resident {
+	if terminate {
-		restoreStateAndHide()
+		if *resident {
-	} else {
+			restoreStateAndHide()
-		gtk.MainQuit()
+		} else {
+		}
 	}
 }
 
@@ -681,14 +684,11 @@ func mapOutputs() (map[string]*gdk.Monitor, error) {
 		err := listHyprlandMonitors()
 		if err == nil {
 
-			display, err := gdk.DisplayGetDefault()
+			display := gdk.DisplayGetDefault()
-			if err != nil {
-				return nil, err
-			}
 
-			num := display.GetNMonitors()
+			num := display.NMonitors()
 			for i := 0; i < num; i++ {
-				mon, _ := display.GetMonitor(i)
+				mon := display.Monitor(i)
 				output := hyprlandMonitors[i]
 				result[output.Name] = mon
 			}
@@ -710,14 +710,14 @@ func mapOutputs() (map[string]*gdk.Monitor, error) {
 			return nil, err
 		}
 
-		display, err := gdk.DisplayGetDefault()
+		display := gdk.DisplayGetDefault()
 		if err != nil {
 			return nil, err
 		}
 
-		num := display.GetNMonitors()
+		num := display.NMonitors()
 		for i := 0; i < num; i++ {
-			mon, _ := display.GetMonitor(i)
+			mon := display.Monitor(i)
 			output := outputs[i]
 			result[output.Name] = mon
 		}

uicomponents.go

@@ -6,17 +6,20 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/diamondburned/gotk4-layer-shell/pkg/gtklayershell"
+
 	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 +29,8 @@ 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 +40,19 @@ 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 != "" {
@@ -59,14 +62,14 @@ func setUpPinnedFlowBox() *gtk.FlowBox {
 			}
 			if len(name) > 20 {
 				r := substring(name, 0, 17)
-				name = fmt.Sprintf("%s…", string(r))
+				name = fmt.Sprintf("%s…", r)
 			}
 			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)
@@ -75,7 +78,7 @@ 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)
@@ -84,13 +87,9 @@ 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()
 
@@ -110,17 +109,17 @@ 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("")
+		//searchEntry.SetText("")
 		appFlowBox = setUpAppsFlowBox(nil, "")
 		for _, btn := range catButtons {
-			btn.SetImagePosition(gtk.POS_LEFT)
+			btn.SetImagePosition(gtk.PosLeft)
 			btn.SetSizeRequest(0, 0)
 		}
 	})
@@ -128,8 +127,8 @@ 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)
@@ -137,14 +136,14 @@ func setUpCategoriesButtonBox() *gtk.EventBox {
 			name := cat.Name
 			b := *button
 			button.Connect("clicked", func(item *gtk.Button) {
-				searchEntry.SetText("")
+				//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()
@@ -186,13 +185,13 @@ 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 == "" {
@@ -205,6 +204,7 @@ func setUpAppsFlowBox(categoryList []string, searchPhrase string) *gtk.FlowBox {
 				} else {
 					button := flowBoxButton(entry)
 					flowBox.Add(button)
+					button.Parent().(*gtk.FlowBoxChild).SetCanFocus(false)
 				}
 			}
 		} else {
@@ -214,26 +214,24 @@ 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 != "" {
@@ -245,14 +243,14 @@ 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 := substring(name, 0, 17)
-		name = fmt.Sprintf("%s…", string(r))
+		name = fmt.Sprintf("%s…", r)
 	}
 	button.SetLabel(name)
 
@@ -262,7 +260,7 @@ func flowBoxButton(entry desktopEntry) *gtk.Button {
 	desc := entry.CommentLoc
 	if len(desc) > 120 {
 		r := substring(desc, 0, 117)
-		desc = fmt.Sprintf("%s…", string(r))
+		desc = fmt.Sprintf("%s…", r)
 	}
 
 	button.Connect("button-press-event", func() {
@@ -270,11 +268,11 @@ func flowBoxButton(entry desktopEntry) *gtk.Button {
 		beenScrolled = false
 	})
 
-	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 {
 			if !beenScrolled {
-				launch(exec, terminal)
+				launch(exec, terminal, true)
 				return true
 			}
 		} else if btnEvent.Button() == 3 {
@@ -284,7 +282,7 @@ 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)
@@ -299,36 +297,36 @@ func flowBoxButton(entry desktopEntry) *gtk.Button {
 }
 
 func powerButton(iconPathOrName, command string) *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 !*pbUseIconTheme {
-		pixbuf, err = gdk.PixbufNewFromFileAtSize(iconPathOrName, *pbSize, *pbSize)
+		pixbuf, err = gdkpixbuf.NewPixbufFromFileAtSize(iconPathOrName, *pbSize, *pbSize)
 		if err != nil {
 			pixbuf, _ = createPixbuf("unknown", *pbSize)
 			log.Warnf("Couldn't find icon %s", iconPathOrName)
 		}
-		img, _ = gtk.ImageNewFromPixbuf(pixbuf)
+		img = gtk.NewImageFromPixbuf(pixbuf)
 	} else {
-		img, _ = gtk.ImageNewFromIconName(iconPathOrName, gtk.ICON_SIZE_DIALOG)
+		img = gtk.NewImageFromIconName(iconPathOrName, int(gtk.IconSizeDialog))
 	}
 
 	button.SetImage(img)
-	button.SetImagePosition(gtk.POS_TOP)
+	button.SetImagePosition(gtk.PosTop)
 
-	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 {
-			launch(command, false)
+			launch(command, false, true)
 			return true
 		}
 		return false
 	})
 	button.Connect("activate", func() {
-		launch(command, false)
+		launch(command, false, true)
 	})
 	button.Connect("enter-notify-event", func() {
 		statusLabel.SetText(command)
@@ -346,8 +344,8 @@ 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
@@ -360,7 +358,7 @@ 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 := ""
@@ -384,18 +382,15 @@ 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
@@ -415,7 +410,7 @@ func setUpSearchEntry() *gtk.SearchEntry {
 						searchUserDir(key)
 					}
 				}
-				if fileSearchResultFlowBox.GetChildren().Length() == 0 {
+				if len(fileSearchResultFlowBox.Children()) == 0 {
 					fileSearchResultWrapper.Hide()
 					statusLabel.SetText("0 results")
 				}
@@ -429,25 +424,22 @@ 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 {
@@ -464,7 +456,7 @@ func setUpSearchEntry() *gtk.SearchEntry {
 		}
 	})
 
-	return searchEntry
+	return sEntry
 }
 
 func isExcluded(dir string) bool {
@@ -484,14 +476,16 @@ 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)
 				}
 
 			}
@@ -499,14 +493,11 @@ 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()
 	}
 }
@@ -516,10 +507,10 @@ 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 {
@@ -527,8 +518,8 @@ 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
@@ -539,18 +530,22 @@ 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)
 	}
@@ -565,8 +560,8 @@ 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
@@ -580,7 +575,54 @@ 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)
+	}
+}