Style: Enforce braces around if blocks and loops

Using clang-tidy's `readability-braces-around-statements`.
https://clang.llvm.org/extra/clang-tidy/checks/readability-braces-around-statements.html

editor/plugins/sprite_frames_editor_plugin.cpp

@@ -153,8 +153,9 @@ void SpriteFramesEditor::_sheet_add_frames() {
 
 	Rect2 region_rect = Rect2();
 
-	if (atlas_source && atlas_source->get_atlas().is_valid())
+	if (atlas_source && atlas_source->get_atlas().is_valid()) {
 		region_rect = atlas_source->get_region();
+	}
 
 	for (Set<int>::Element *E = frames_selected.front(); E; E = E->next()) {
 		int idx = E->get();
@@ -292,8 +293,9 @@ void SpriteFramesEditor::_load_pressed() {
 	file->clear_filters();
 	List<String> extensions;
 	ResourceLoader::get_recognized_extensions_for_type("Texture2D", &extensions);
-	for (int i = 0; i < extensions.size(); i++)
+	for (int i = 0; i < extensions.size(); i++) {
 		file->add_filter("*." + extensions[i]);
+	}
 
 	file->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILES);
 
@@ -324,8 +326,9 @@ void SpriteFramesEditor::_paste_pressed() {
 void SpriteFramesEditor::_copy_pressed() {
 	ERR_FAIL_COND(!frames->has_animation(edited_anim));
 
-	if (tree->get_current() < 0)
+	if (tree->get_current() < 0) {
 		return;
+	}
 	Ref<Texture2D> r = frames->get_frame(edited_anim, tree->get_current());
 	if (!r.is_valid()) {
 		return;
@@ -383,12 +386,14 @@ void SpriteFramesEditor::_empty2_pressed() {
 void SpriteFramesEditor::_up_pressed() {
 	ERR_FAIL_COND(!frames->has_animation(edited_anim));
 
-	if (tree->get_current() < 0)
+	if (tree->get_current() < 0) {
 		return;
+	}
 
 	int to_move = tree->get_current();
-	if (to_move < 1)
+	if (to_move < 1) {
 		return;
+	}
 
 	sel = to_move;
 	sel -= 1;
@@ -406,12 +411,14 @@ void SpriteFramesEditor::_up_pressed() {
 void SpriteFramesEditor::_down_pressed() {
 	ERR_FAIL_COND(!frames->has_animation(edited_anim));
 
-	if (tree->get_current() < 0)
+	if (tree->get_current() < 0) {
 		return;
+	}
 
 	int to_move = tree->get_current();
-	if (to_move < 0 || to_move >= frames->get_frame_count(edited_anim) - 1)
+	if (to_move < 0 || to_move >= frames->get_frame_count(edited_anim) - 1) {
 		return;
+	}
 
 	sel = to_move;
 	sel += 1;
@@ -429,8 +436,9 @@ void SpriteFramesEditor::_down_pressed() {
 void SpriteFramesEditor::_delete_pressed() {
 	ERR_FAIL_COND(!frames->has_animation(edited_anim));
 
-	if (tree->get_current() < 0)
+	if (tree->get_current() < 0) {
 		return;
+	}
 
 	int to_delete = tree->get_current();
 	if (to_delete < 0 || to_delete >= frames->get_frame_count(edited_anim)) {
@@ -446,13 +454,15 @@ void SpriteFramesEditor::_delete_pressed() {
 }
 
 void SpriteFramesEditor::_animation_select() {
-	if (updating)
+	if (updating) {
 		return;
+	}
 
 	if (frames->has_animation(edited_anim)) {
 		double value = anim_speed->get_line_edit()->get_text().to_double();
-		if (!Math::is_equal_approx(value, frames->get_animation_speed(edited_anim)))
+		if (!Math::is_equal_approx(value, frames->get_animation_speed(edited_anim))) {
 			_animation_fps_changed(value);
+		}
 	}
 
 	TreeItem *selected = animations->get_selected();
@@ -463,10 +473,12 @@ void SpriteFramesEditor::_animation_select() {
 
 static void _find_anim_sprites(Node *p_node, List<Node *> *r_nodes, Ref<SpriteFrames> p_sfames) {
 	Node *edited = EditorNode::get_singleton()->get_edited_scene();
-	if (!edited)
+	if (!edited) {
 		return;
-	if (p_node != edited && p_node->get_owner() != edited)
+	}
+	if (p_node != edited && p_node->get_owner() != edited) {
 		return;
+	}
 
 	{
 		AnimatedSprite2D *as = Object::cast_to<AnimatedSprite2D>(p_node);
@@ -488,20 +500,24 @@ static void _find_anim_sprites(Node *p_node, List<Node *> *r_nodes, Ref<SpriteFr
 }
 
 void SpriteFramesEditor::_animation_name_edited() {
-	if (updating)
+	if (updating) {
 		return;
+	}
 
-	if (!frames->has_animation(edited_anim))
+	if (!frames->has_animation(edited_anim)) {
 		return;
+	}
 
 	TreeItem *edited = animations->get_edited();
-	if (!edited)
+	if (!edited) {
 		return;
+	}
 
 	String new_name = edited->get_text(0);
 
-	if (new_name == String(edited_anim))
+	if (new_name == String(edited_anim)) {
 		return;
+	}
 
 	new_name = new_name.replace("/", "_").replace(",", " ");
 
@@ -563,11 +579,13 @@ void SpriteFramesEditor::_animation_add() {
 }
 
 void SpriteFramesEditor::_animation_remove() {
-	if (updating)
+	if (updating) {
 		return;
+	}
 
-	if (!frames->has_animation(edited_anim))
+	if (!frames->has_animation(edited_anim)) {
 		return;
+	}
 
 	delete_dialog->set_text(TTR("Delete Animation?"));
 	delete_dialog->popup_centered();
@@ -593,8 +611,9 @@ void SpriteFramesEditor::_animation_remove_confirmed() {
 }
 
 void SpriteFramesEditor::_animation_loop_changed() {
-	if (updating)
+	if (updating) {
 		return;
+	}
 
 	undo_redo->create_action(TTR("Change Animation Loop"));
 	undo_redo->add_do_method(frames, "set_animation_loop", edited_anim, anim_loop->is_pressed());
@@ -605,8 +624,9 @@ void SpriteFramesEditor::_animation_loop_changed() {
 }
 
 void SpriteFramesEditor::_animation_fps_changed(double p_value) {
-	if (updating)
+	if (updating) {
 		return;
+	}
 
 	undo_redo->create_action(TTR("Change Animation FPS"), UndoRedo::MERGE_ENDS);
 	undo_redo->add_do_method(frames, "set_animation_speed", edited_anim, p_value);
@@ -654,10 +674,11 @@ void SpriteFramesEditor::_update_library(bool p_skip_selector) {
 		return;
 	}
 
-	if (sel >= frames->get_frame_count(edited_anim))
+	if (sel >= frames->get_frame_count(edited_anim)) {
 		sel = frames->get_frame_count(edited_anim) - 1;
-	else if (sel < 0 && frames->get_frame_count(edited_anim))
+	} else if (sel < 0 && frames->get_frame_count(edited_anim)) {
 		sel = 0;
+	}
 
 	for (int i = 0; i < frames->get_frame_count(edited_anim); i++) {
 		String name;
@@ -672,10 +693,12 @@ void SpriteFramesEditor::_update_library(bool p_skip_selector) {
 		}
 
 		tree->add_item(name, icon);
-		if (frames->get_frame(edited_anim, i).is_valid())
+		if (frames->get_frame(edited_anim, i).is_valid()) {
 			tree->set_item_tooltip(tree->get_item_count() - 1, frames->get_frame(edited_anim, i)->get_path());
-		if (sel == i)
+		}
+		if (sel == i) {
 			tree->select(tree->get_item_count() - 1);
+		}
 	}
 
 	anim_speed->set_value(frames->get_animation_speed(edited_anim));
@@ -686,8 +709,9 @@ void SpriteFramesEditor::_update_library(bool p_skip_selector) {
 }
 
 void SpriteFramesEditor::edit(SpriteFrames *p_frames) {
-	if (frames == p_frames)
+	if (frames == p_frames) {
 		return;
+	}
 
 	frames = p_frames;
 
@@ -710,18 +734,21 @@ void SpriteFramesEditor::edit(SpriteFrames *p_frames) {
 }
 
 Variant SpriteFramesEditor::get_drag_data_fw(const Point2 &p_point, Control *p_from) {
-	if (!frames->has_animation(edited_anim))
+	if (!frames->has_animation(edited_anim)) {
 		return false;
+	}
 
 	int idx = tree->get_item_at_position(p_point, true);
 
-	if (idx < 0 || idx >= frames->get_frame_count(edited_anim))
+	if (idx < 0 || idx >= frames->get_frame_count(edited_anim)) {
 		return Variant();
+	}
 
 	RES frame = frames->get_frame(edited_anim, idx);
 
-	if (frame.is_null())
+	if (frame.is_null()) {
 		return Variant();
+	}
 
 	Dictionary drag_data = EditorNode::get_singleton()->drag_resource(frame, p_from);
 	drag_data["frame"] = idx; // store the frame, in case we want to reorder frames inside 'drop_data_fw'
@@ -731,12 +758,14 @@ Variant SpriteFramesEditor::get_drag_data_fw(const Point2 &p_point, Control *p_f
 bool SpriteFramesEditor::can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) const {
 	Dictionary d = p_data;
 
-	if (!d.has("type"))
+	if (!d.has("type")) {
 		return false;
+	}
 
 	// reordering frames
-	if (d.has("from") && (Object *)(d["from"]) == tree)
+	if (d.has("from") && (Object *)(d["from"]) == tree) {
 		return true;
+	}
 
 	if (String(d["type"]) == "resource" && d.has("resource")) {
 		RES r = d["resource"];
@@ -751,8 +780,9 @@ bool SpriteFramesEditor::can_drop_data_fw(const Point2 &p_point, const Variant &
 	if (String(d["type"]) == "files") {
 		Vector<String> files = d["files"];
 
-		if (files.size() == 0)
+		if (files.size() == 0) {
 			return false;
+		}
 
 		for (int i = 0; i < files.size(); i++) {
 			String file = files[i];
@@ -769,13 +799,15 @@ bool SpriteFramesEditor::can_drop_data_fw(const Point2 &p_point, const Variant &
 }
 
 void SpriteFramesEditor::drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_from) {
-	if (!can_drop_data_fw(p_point, p_data, p_from))
+	if (!can_drop_data_fw(p_point, p_data, p_from)) {
 		return;
+	}
 
 	Dictionary d = p_data;
 
-	if (!d.has("type"))
+	if (!d.has("type")) {
 		return;
+	}
 
 	int at_pos = tree->get_item_at_position(p_point, true);
 
@@ -786,13 +818,15 @@ void SpriteFramesEditor::drop_data_fw(const Point2 &p_point, const Variant &p_da
 
 		if (texture.is_valid()) {
 			bool reorder = false;
-			if (d.has("from") && (Object *)(d["from"]) == tree)
+			if (d.has("from") && (Object *)(d["from"]) == tree) {
 				reorder = true;
+			}
 
 			if (reorder) { //drop is from reordering frames
 				int from_frame = -1;
-				if (d.has("frame"))
+				if (d.has("frame")) {
 					from_frame = d["frame"];
+				}
 
 				undo_redo->create_action(TTR("Move Frame"));
 				undo_redo->add_do_method(frames, "remove_frame", edited_anim, from_frame == -1 ? frames->get_frame_count(edited_anim) : from_frame);
@@ -1060,8 +1094,9 @@ void SpriteFramesEditorPlugin::make_visible(bool p_visible) {
 		editor->make_bottom_panel_item_visible(frames_editor);
 	} else {
 		button->hide();
-		if (frames_editor->is_visible_in_tree())
+		if (frames_editor->is_visible_in_tree()) {
 			editor->hide_bottom_panel();
+		}
 	}
 }