xdg-open or open in FM

main.go

@@ -19,7 +19,7 @@ import (
 	"github.com/gotk3/gotk3/gtk"
 )
 
-const version = "0.1.6"
+const version = "0.1.7"
 
 var (
 	appDirs         []string
@@ -28,6 +28,7 @@ var (
 	pinned          []string
 	src             glib.SourceHandle
 	id2entry        map[string]desktopEntry
+	preferredApps   map[string]interface{}
 )
 
 var categoryNames = [...]string{
@@ -188,6 +189,17 @@ func main() {
 
 	status = parseDesktopFiles(desktopFiles)
 
+	// For opening files we use xdg-open. As its configuration is PITA, we may override some associations
+	// in the ~/.config/nwg-panel/preferred-apps.json file.
+	paFile := filepath.Join(configDirectory, "preferred-apps.json")
+	preferredApps, err = loadPreferredApps(paFile)
+	if err != nil {
+		println(fmt.Sprintf("Custom associations file %s not found or invalid", paFile))
+	} else {
+		println(fmt.Sprintf("Found %v associations in %s", len(preferredApps), paFile))
+		fmt.Println(preferredApps)
+	}
+
 	// USER INTERFACE
 	gtk.Init(nil)
 

tools.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"context"
+	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"io/fs"
@@ -10,6 +12,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"regexp"
 	"sort"
 	"strings"
 	"time"
@@ -243,6 +246,25 @@ func getAppDirs() []string {
 	return dirs
 }
 
+func loadPreferredApps(path string) (map[string]interface{}, error) {
+	jsonFile, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer jsonFile.Close()
+
+	byteValue, _ := ioutil.ReadAll(jsonFile)
+
+	var result map[string]interface{}
+	json.Unmarshal([]byte(byteValue), &result)
+
+	if len(result) == 0 {
+		return nil, errors.New("json invalid or empty")
+	}
+
+	return result, nil
+}
+
 func listFiles(dir string) ([]fs.FileInfo, error) {
 	files, err := ioutil.ReadDir(dir)
 	if err == nil {
@@ -622,14 +644,25 @@ func launch(command string, terminal bool) {
 	})
 }
 
-func open(filePath string) {
-	cmd := exec.Command(*fileManager, filePath)
+func open(filePath string, xdgOpen bool) {
+	var cmd *exec.Cmd
+	if xdgOpen {
+		cmd = exec.Command("xdg-open", filePath)
+		// Look for possible custom file association
+		for key, element := range preferredApps {
+			r, _ := regexp.Compile(key)
+			if r.MatchString(filePath) {
+				cmd = exec.Command(fmt.Sprintf("%v", element), filePath)
+				break
+			}
+		}
+	} else {
+		cmd = exec.Command(*fileManager, filePath)
+	}
+	fmt.Println(cmd)
 	cmd.Start()
 
-	glib.TimeoutAdd(uint(150), func() bool {
-		gtk.MainQuit()
-		return false
-	})
+	gtk.MainQuit()
 }
 
 // Returns map output name -> gdk.Monitor

uicomponents.go

@@ -387,7 +387,8 @@ func searchUserDir(dir string) {
 		}
 		fileSearchResultFlowBox.Hide()
 
-		statusLabel.SetText(fmt.Sprintf("%v results", fileSearchResultFlowBox.GetChildren().Length()))
+		statusLabel.SetText(fmt.Sprintf("%v results | LMB: xdg-open | RMB: file manager",
+			fileSearchResultFlowBox.GetChildren().Length()))
 		num := uint(fileSearchResultFlowBox.GetChildren().Length() / *fsColumns)
 		fileSearchResultFlowBox.SetMinChildrenPerLine(num + 1)
 		fileSearchResultFlowBox.SetMaxChildrenPerLine(num + 1)
@@ -414,8 +415,16 @@ func setUpUserDirButton(iconName, displayName, entryName string, userDirsMap map
 	}
 	button.SetLabel(displayName)
 
-	button.Connect("clicked", func() {
-		launch(fmt.Sprintf("%s %s", *fileManager, userDirsMap[entryName]), false)
+	button.Connect("button-release-event", func(btn *gtk.Button, e *gdk.Event) bool {
+		btnEvent := gdk.EventButtonNewFromEvent(e)
+		if btnEvent.Button() == 1 {
+			open(userDirsMap[entryName], true)
+			return true
+		} else if btnEvent.Button() == 3 {
+			open(userDirsMap[entryName], false)
+			return true
+		}
+		return false
 	})
 
 	box.PackStart(button, false, true, 0)
@@ -443,8 +452,16 @@ func setUpUserFileSearchResultButton(fileName, filePath string) *gtk.Box {
 		button.SetTooltipText(tooltipText)
 	}
 
-	button.Connect("clicked", func() {
-		open(filePath)
+	button.Connect("button-release-event", func(btn *gtk.Button, e *gdk.Event) bool {
+		btnEvent := gdk.EventButtonNewFromEvent(e)
+		if btnEvent.Button() == 1 {
+			open(filePath, true)
+			return true
+		} else if btnEvent.Button() == 3 {
+			open(filePath, false)
+			return true
+		}
+		return false
 	})
 
 	box.PackStart(button, false, true, 0)