Rules-based browser launcher for TUI + GNOME.
switchyard.aly.codes
tui
gnome
bowser
go
browser: properly activate launched browsers (fixes #17)
Aly Raffauf
(Jan 16, 2026, 1:24 AM EST)
7e9e8928
92c9a2b5
+3
-67
+3
-67
src/browser.go
+3
-67
src/browser.go
···
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5
import (
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"fmt"
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"os"
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-
"os/exec"
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"sort"
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-
"strings"
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"github.com/diamondburned/gotk4/pkg/gio/v2"
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)
···
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}
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func launchBrowser(b *Browser, url string) {
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-
// Get the command line from the AppInfo
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cmdline := b.AppInfo.Commandline()
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if cmdline == "" {
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fmt.Fprintf(os.Stderr, "Error: No command line for browser %s\n", b.Name)
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return
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}
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-
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// Replace %u, %U, %f, %F with URL
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cmdline = strings.ReplaceAll(cmdline, "%u", url)
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cmdline = strings.ReplaceAll(cmdline, "%U", url)
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cmdline = strings.ReplaceAll(cmdline, "%f", url)
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cmdline = strings.ReplaceAll(cmdline, "%F", url)
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-
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// Remove other field codes
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for _, code := range []string{"%i", "%c", "%k"} {
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cmdline = strings.ReplaceAll(cmdline, code, "")
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}
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// Parse the command line
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parts := strings.Fields(cmdline)
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if len(parts) == 0 {
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fmt.Fprintf(os.Stderr, "Error: Empty command line for browser %s\n", b.Name)
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return
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}
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// When running in Flatpak, wrap with flatpak-spawn --host
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if os.Getenv("FLATPAK_ID") != "" && !strings.HasPrefix(parts[0], "flatpak-spawn") {
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parts = append([]string{"flatpak-spawn", "--host"}, parts...)
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}
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// Execute the command
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cmd := exec.Command(parts[0], parts[1:]...)
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if err := cmd.Start(); err != nil {
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if err := launchCommand(cmdline, url, b.AppInfo); err != nil {
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fmt.Fprintf(os.Stderr, "Error launching browser: %v\n", err)
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return
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}
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-
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// Clean up asynchronously
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go cmd.Wait()
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}
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// launchBrowserAction launches a browser with a specific desktop file action (e.g., "new-private-window")
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func launchBrowserAction(b *Browser, action DesktopAction, url string) {
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cmdline := action.Exec
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if cmdline == "" {
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+
if action.Exec == "" {
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fmt.Fprintf(os.Stderr, "Error: No exec line for action %s\n", action.ID)
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return
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}
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// Replace %u, %U, %f, %F with URL
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cmdline = strings.ReplaceAll(cmdline, "%u", url)
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cmdline = strings.ReplaceAll(cmdline, "%U", url)
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cmdline = strings.ReplaceAll(cmdline, "%f", url)
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cmdline = strings.ReplaceAll(cmdline, "%F", url)
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// Remove other field codes
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for _, code := range []string{"%i", "%c", "%k"} {
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cmdline = strings.ReplaceAll(cmdline, code, "")
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}
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// Parse the command line
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parts := strings.Fields(cmdline)
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if len(parts) == 0 {
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fmt.Fprintf(os.Stderr, "Error: Empty command line for action %s\n", action.ID)
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return
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}
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// When running in Flatpak, wrap with flatpak-spawn --host
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if os.Getenv("FLATPAK_ID") != "" && !strings.HasPrefix(parts[0], "flatpak-spawn") {
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parts = append([]string{"flatpak-spawn", "--host"}, parts...)
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}
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// Execute the command
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cmd := exec.Command(parts[0], parts[1:]...)
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if err := cmd.Start(); err != nil {
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if err := launchCommand(action.Exec, url, b.AppInfo); err != nil {
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fmt.Fprintf(os.Stderr, "Error launching browser action: %v\n", err)
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return
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}
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// Clean up asynchronously
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go cmd.Wait()
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}