Added configurable modifier key to activate freelook

editor/editor_settings.cpp

@@ -30,7 +30,6 @@
 #include "editor_settings.h"
 
 #include "editor_node.h"
-#include "project_settings.h"
 #include "io/compression.h"
 #include "io/config_file.h"
 #include "io/file_access_memory.h"
@@ -41,6 +40,7 @@
 #include "os/file_access.h"
 #include "os/keyboard.h"
 #include "os/os.h"
+#include "project_settings.h"
 #include "scene/main/node.h"
 #include "scene/main/scene_tree.h"
 #include "scene/main/viewport.h"
@@ -638,6 +638,10 @@ void EditorSettings::_load_defaults(Ref<ConfigFile> p_extra_config) {
 	set("editors/3d/warped_mouse_panning", true);
 
 	set("editors/3d/freelook_base_speed", 1);
+
+	set("editors/3d/freelook_activation_modifier", 0);
+	hints["editors/3d/freelook_activation_modifier"] = PropertyInfo(Variant::INT, "editors/3d/freelook_activation_modifier", PROPERTY_HINT_ENUM, "None,Shift,Alt,Meta,Ctrl");
+
 	set("editors/3d/freelook_modifier_speed_factor", 5.0);
 
 	set("editors/2d/bone_width", 5);

editor/plugins/spatial_editor_plugin.cpp

@@ -36,9 +36,9 @@
 #include "editor/editor_settings.h"
 #include "editor/plugins/animation_player_editor_plugin.h"
 #include "editor/spatial_editor_gizmos.h"
-#include "project_settings.h"
 #include "os/keyboard.h"
 #include "print_string.h"
+#include "project_settings.h"
 #include "scene/3d/camera.h"
 #include "scene/3d/visual_instance.h"
 #include "scene/resources/surface_tool.h"
@@ -518,7 +518,7 @@ void SpatialEditorViewport::_compute_edit(const Point2 &p_point) {
 	*/
 }
 
-static int _get_key_modifier(const String &p_property) {
+static int _get_key_modifier_setting(const String &p_property) {
 
 	switch (EditorSettings::get_singleton()->get(p_property).operator int()) {
 
@@ -531,6 +531,18 @@ static int _get_key_modifier(const String &p_property) {
 	return 0;
 }
 
+static int _get_key_modifier(Ref<InputEventWithModifiers> e) {
+	if (e->get_shift())
+		return KEY_SHIFT;
+	if (e->get_alt())
+		return KEY_ALT;
+	if (e->get_control())
+		return KEY_CONTROL;
+	if (e->get_metakey())
+		return KEY_META;
+	return 0;
+}
+
 bool SpatialEditorViewport::_gizmo_select(const Vector2 &p_screenpos, bool p_highlight_only) {
 
 	if (!spatial_editor->is_gizmo_visible())
@@ -774,7 +786,15 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 					set_message(TTR("Transform Aborted."), 3);
 				}
 
-				freelook_active = b->is_pressed();
+				if (b->is_pressed()) {
+					int mod = _get_key_modifier(b);
+					if (mod == _get_key_modifier_setting("editors/3d/freelook_activation_modifier")) {
+						freelook_active = true;
+					}
+				} else {
+					freelook_active = false;
+				}
+
 				if (freelook_active && !surface->has_focus()) {
 					// Focus usually doesn't trigger on right-click, but in case of freelook it should,
 					// otherwise using keyboard navigation would misbehave
@@ -1297,7 +1317,7 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 			if (nav_scheme == NAVIGATION_MAYA && m->get_alt()) {
 				nav_mode = NAVIGATION_ZOOM;
-			} else {
+			} else if (freelook_active) {
 				nav_mode = NAVIGATION_LOOK;
 			}
 
@@ -1305,21 +1325,13 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 			if (nav_scheme == NAVIGATION_GODOT) {
 
-				int mod = 0;
-				if (m->get_shift())
-					mod = KEY_SHIFT;
-				if (m->get_alt())
-					mod = KEY_ALT;
-				if (m->get_control())
-					mod = KEY_CONTROL;
-				if (m->get_metakey())
-					mod = KEY_META;
+				int mod = _get_key_modifier(m);
 
-				if (mod == _get_key_modifier("editors/3d/pan_modifier"))
+				if (mod == _get_key_modifier_setting("editors/3d/pan_modifier"))
 					nav_mode = NAVIGATION_PAN;
-				else if (mod == _get_key_modifier("editors/3d/zoom_modifier"))
+				else if (mod == _get_key_modifier_setting("editors/3d/zoom_modifier"))
 					nav_mode = NAVIGATION_ZOOM;
-				else if (mod == _get_key_modifier("editors/3d/orbit_modifier"))
+				else if (mod == _get_key_modifier_setting("editors/3d/orbit_modifier"))
 					nav_mode = NAVIGATION_ORBIT;
 
 			} else if (nav_scheme == NAVIGATION_MAYA) {
@@ -1329,22 +1341,14 @@ void SpatialEditorViewport::_sinput(const Ref<InputEvent> &p_event) {
 
 		} else if (EditorSettings::get_singleton()->get("editors/3d/emulate_3_button_mouse")) {
 			// Handle trackpad (no external mouse) use case
-			int mod = 0;
-			if (m->get_shift())
-				mod = KEY_SHIFT;
-			if (m->get_alt())
-				mod = KEY_ALT;
-			if (m->get_control())
-				mod = KEY_CONTROL;
-			if (m->get_metakey())
-				mod = KEY_META;
+			int mod = _get_key_modifier(m);
 
 			if (mod) {
-				if (mod == _get_key_modifier("editors/3d/pan_modifier"))
+				if (mod == _get_key_modifier_setting("editors/3d/pan_modifier"))
 					nav_mode = NAVIGATION_PAN;
-				else if (mod == _get_key_modifier("editors/3d/zoom_modifier"))
+				else if (mod == _get_key_modifier_setting("editors/3d/zoom_modifier"))
 					nav_mode = NAVIGATION_ZOOM;
-				else if (mod == _get_key_modifier("editors/3d/orbit_modifier"))
+				else if (mod == _get_key_modifier_setting("editors/3d/orbit_modifier"))
 					nav_mode = NAVIGATION_ORBIT;
 			}
 		}