allow changing tabs with [ and ]

pkg/gui/branches_panel.go

@@ -372,3 +372,15 @@ func (gui *Gui) refreshRemotes() error {
 
 	return nil
 }
+
+func (gui *Gui) handleNextBranchesTab(g *gocui.Gui, v *gocui.View) error {
+	return gui.onBranchesTabClick(
+		utils.ModuloWithWrap(v.TabIndex+1, len(v.Tabs)),
+	)
+}
+
+func (gui *Gui) handlePrevBranchesTab(g *gocui.Gui, v *gocui.View) error {
+	return gui.onBranchesTabClick(
+		utils.ModuloWithWrap(v.TabIndex-1, len(v.Tabs)),
+	)
+}

pkg/gui/keybindings.go

@@ -402,6 +402,18 @@ func (gui *Gui) GetInitialKeybindings() []*Binding {
 			Handler:     gui.handleFastForward,
 			Description: gui.Tr.SLocalize("FastForward"),
 		},
+		{
+			ViewName: "branches",
+			Key:      ']',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handleNextBranchesTab,
+		},
+		{
+			ViewName: "branches",
+			Key:      '[',
+			Modifier: gocui.ModNone,
+			Handler:  gui.handlePrevBranchesTab,
+		},
 		{
 			ViewName:    "commits",
 			Key:         's',

pkg/utils/utils.go

@@ -299,3 +299,14 @@ func DifferenceInt(a, b []int) []int {
 	}
 	return result
 }
+
+// used to keep a number n between 0 and max, allowing for wraparounds
+func ModuloWithWrap(n, max int) int {
+	if n >= max {
+		return n % max
+	} else if n < 0 {
+		return max + n
+	} else {
+		return n
+	}
+}