4 files changed, 11 insertions, 5 deletions
diff --git a/scene/gui/gradient_edit.cpp b/scene/gui/gradient_edit.cpp
index 09ef6f26bf..5958106419 100644
--- a/scene/gui/gradient_edit.cpp
+++ b/scene/gui/gradient_edit.cpp
@@ -277,12 +277,13 @@ void GradientEdit::_gui_input(const Ref<InputEvent> &p_event) {
 
 			if (points[i].offset == newofs && i != grabbed) {
 				valid = false;
+				break;
 			}
 		}
 
-		if (!valid)
+		if (!valid || grabbed == -1) {
 			return;
-
+		}
 		points.write[grabbed].offset = newofs;
 
 		points.sort();
diff --git a/scene/gui/graph_edit.cpp b/scene/gui/graph_edit.cpp
index 7827c66841..ed9fc0ce51 100644
--- a/scene/gui/graph_edit.cpp
+++ b/scene/gui/graph_edit.cpp
@@ -819,8 +819,11 @@ void GraphEdit::_gui_input(const Ref<InputEvent> &p_ev) {
 			if (gn && gn->is_selected()) {
 
 				Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom;
-				if (is_using_snap()) {
-					int snap = get_snap();
+
+				// Snapping can be toggled temporarily by holding down Ctrl.
+				// This is done here as to not toggle the grid when holding down Ctrl.
+				if (is_using_snap() ^ Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
+					const int snap = get_snap();
 					pos = pos.snapped(Vector2(snap, snap));
 				}
 
diff --git a/scene/gui/range.cpp b/scene/gui/range.cpp
index 9c016b5a50..362697b4ad 100644
--- a/scene/gui/range.cpp
+++ b/scene/gui/range.cpp
@@ -173,6 +173,8 @@ void Range::set_as_ratio(double p_value) {
 }
 double Range::get_as_ratio() const {
 
+	ERR_FAIL_COND_V_MSG(Math::is_equal_approx(get_max(), get_min()), 0.0, "Cannot get ratio when minimum and maximum value are equal.");
+
 	if (shared->exp_ratio && get_min() >= 0) {
 
 		double exp_min = get_min() == 0 ? 0.0 : Math::log(get_min()) / Math::log((double)2);
diff --git a/scene/gui/tree.h b/scene/gui/tree.h
index 361830173b..d5227f6e65 100644
--- a/scene/gui/tree.h
+++ b/scene/gui/tree.h
@@ -159,7 +159,7 @@ protected:
 	//bind helpers
 	Dictionary _get_range_config(int p_column) {
 		Dictionary d;
-		double min, max, step;
+		double min = 0.0, max = 0.0, step = 0.0;
 		get_range_config(p_column, min, max, step);
 		d["min"] = min;
 		d["max"] = max;