diff --git a/pkg/gocui/tcell_driver.go b/pkg/gocui/tcell_driver.go
index 745725993..f124dbaf5 100644
--- a/pkg/gocui/tcell_driver.go
+++ b/pkg/gocui/tcell_driver.go
@@ -202,6 +202,7 @@ const (
 
 var (
 	lastMouseKey tcell.ButtonMask = tcell.ButtonNone
+	lastMouseMod tcell.ModMask    = tcell.ModNone
 	dragState                     = NOT_DRAGGING
 	lastX                         = 0
 	lastY                         = 0
@@ -370,6 +371,15 @@ func gocuiEventFromTcellEvent(tev tcell.Event) GocuiEvent {
 		if button != tcell.ButtonNone && lastMouseKey == tcell.ButtonNone {
 			newButtonPress = true
 			lastMouseKey = button
+			// The keyboard modifiers held at press time apply to the whole
+			// gesture: the press (a click is reported on the press, so this is
+			// what makes modified clicks bindable), every drag event, and the
+			// release. Snapshotting them here keeps the gesture atomic: a
+			// modified press can't produce drag/release events that match an
+			// unmodified binding, and pressing or releasing a modifier while
+			// the button is held doesn't change the gesture midway.
+			lastMouseMod = tev.Modifiers()
+			mouseMod = Modifier(lastMouseMod)
 			switch button {
 			case tcell.ButtonPrimary:
 				mouseKey = MouseLeft
@@ -395,7 +405,8 @@ func gocuiEventFromTcellEvent(tev tcell.Event) GocuiEvent {
 				case tcell.ButtonMiddle:
 				default:
 				}
-				mouseMod = ModNone
+				mouseMod = Modifier(lastMouseMod)
+				lastMouseMod = tcell.ModNone
 				lastMouseKey = tcell.ButtonNone
 			}
 		default:
@@ -426,10 +437,10 @@ func gocuiEventFromTcellEvent(tev tcell.Event) GocuiEvent {
 				// reaches drag bindings instead of being delivered with the
 				// default MouseRelease key.
 				dragState = DRAGGING
-				mouseMod = ModMotion
+				mouseMod = Modifier(lastMouseMod) | ModMotion
 				mouseKey = MouseLeft
 			case DRAGGING:
-				mouseMod = ModMotion
+				mouseMod = Modifier(lastMouseMod) | ModMotion
 				mouseKey = MouseLeft
 			}
 		}
diff --git a/pkg/gocui/tcell_driver_test.go b/pkg/gocui/tcell_driver_test.go
index 9038e73ce..99a9f8966 100644
--- a/pkg/gocui/tcell_driver_test.go
+++ b/pkg/gocui/tcell_driver_test.go
@@ -36,21 +36,55 @@ func TestMouseReleaseAfterDragIsMouseEvent(t *testing.T) {
 	assert.Equal(t, MouseRelease, releaseEvent.Key.KeyName())
 }
 
-func TestMouseReleaseDoesNotKeepPressModifiers(t *testing.T) {
+func TestWholeGestureCarriesPressModifiers(t *testing.T) {
 	t.Cleanup(resetMouseState)
 	resetMouseState()
 
-	gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 2, tcell.ButtonPrimary, tcell.ModAlt))
-	gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 3, tcell.ButtonPrimary, tcell.ModAlt))
+	pressEvent := gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 2, tcell.ButtonPrimary, tcell.ModAlt))
+	dragEvent := gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 3, tcell.ButtonPrimary, tcell.ModAlt))
 	releaseEvent := gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 3, tcell.ButtonNone, tcell.ModAlt))
 
+	assert.Equal(t, eventMouse, pressEvent.Type)
+	assert.Equal(t, MouseLeft, pressEvent.Key.KeyName())
+	assert.Equal(t, ModAlt, pressEvent.Key.Mod())
+	assert.Equal(t, eventMouse, dragEvent.Type)
+	assert.Equal(t, MouseLeft, dragEvent.Key.KeyName())
+	assert.Equal(t, ModAlt|ModMotion, dragEvent.Key.Mod())
 	assert.Equal(t, eventMouse, releaseEvent.Type)
 	assert.Equal(t, MouseRelease, releaseEvent.Key.KeyName())
+	assert.Equal(t, ModAlt, releaseEvent.Key.Mod())
+}
+
+func TestModifierChangesWhileButtonHeldAreIgnored(t *testing.T) {
+	t.Cleanup(resetMouseState)
+	resetMouseState()
+
+	gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 2, tcell.ButtonPrimary, tcell.ModNone))
+	dragEvent := gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 3, tcell.ButtonPrimary, tcell.ModAlt))
+	releaseEvent := gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 3, tcell.ButtonNone, tcell.ModAlt))
+
+	assert.Equal(t, ModMotion, dragEvent.Key.Mod())
 	assert.Equal(t, ModNone, releaseEvent.Key.Mod())
 }
 
+func TestModifiedClickWithoutDragCarriesModifierOnPressAndRelease(t *testing.T) {
+	t.Cleanup(resetMouseState)
+	resetMouseState()
+
+	pressEvent := gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 2, tcell.ButtonPrimary, tcell.ModShift))
+	releaseEvent := gocuiEventFromTcellEvent(tcell.NewEventMouse(1, 2, tcell.ButtonNone, tcell.ModShift))
+
+	assert.Equal(t, eventMouse, pressEvent.Type)
+	assert.Equal(t, MouseLeft, pressEvent.Key.KeyName())
+	assert.Equal(t, ModShift, pressEvent.Key.Mod())
+	assert.Equal(t, eventMouse, releaseEvent.Type)
+	assert.Equal(t, MouseRelease, releaseEvent.Key.KeyName())
+	assert.Equal(t, ModShift, releaseEvent.Key.Mod())
+}
+
 func resetMouseState() {
 	lastMouseKey = tcell.ButtonNone
+	lastMouseMod = tcell.ModNone
 	dragState = NOT_DRAGGING
 	lastX = 0
 	lastY = 0