From 04461bf9e2db44dcda9a882f2cd6539192fec93f Mon Sep 17 00:00:00 2001
From: Drew Weymouth <dweymouth@gmail.com>
Date: Thu, 16 Feb 2023 19:40:42 -0800
Subject: [PATCH] on Linux, tracklist selection is always in Ctrl+click mode;
 GLFW workaround

---
 ui/widgets/tracklist.go | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/ui/widgets/tracklist.go b/ui/widgets/tracklist.go
index b2d1f11..d586f48 100644
--- a/ui/widgets/tracklist.go
+++ b/ui/widgets/tracklist.go
@@ -1,6 +1,7 @@
 package widgets
 
 import (
+	"runtime"
 	"strconv"
 	"supersonic/ui/layouts"
 	"supersonic/ui/os"
@@ -146,11 +147,24 @@ func (t *Tracklist) onPlayTrackAt(idx int) {
 	}
 }
 
-func (t *Tracklist) onSelectTrack(idx int) {
+// Workaround for https://github.com/dweymouth/supersonic/issues/45
+// On Linux, tracklist selection will always operate in ctrl+click mode
+// as this allows multi-select without getting 'stuck' in shift mode
+func (t *Tracklist) modifiers() (fyne.KeyModifier, bool) {
+	if runtime.GOOS == "linux" {
+		return os.ControlModifier, true
+	}
 	if d, ok := fyne.CurrentApp().Driver().(desktop.Driver); ok {
-		if d.ActiveKeyModifiers()&os.ControlModifier != 0 {
+		return d.ActiveKeyModifiers(), true
+	}
+	return 0, false
+}
+
+func (t *Tracklist) onSelectTrack(idx int) {
+	if mod, ok := t.modifiers(); ok {
+		if mod&os.ControlModifier != 0 {
 			t.selectionMgr.SelectAddOrRemove(idx)
-		} else if (d.ActiveKeyModifiers() & fyne.KeyModifierShift) != 0 {
+		} else if mod&fyne.KeyModifierShift != 0 {
 			t.selectionMgr.SelectRange(idx)
 		} else {
 			t.selectionMgr.Select(idx)