Android Editor: Adjust script editor size for virtual keyboard

editor/script/script_editor_plugin.cpp

@@ -1864,8 +1864,51 @@ void ScriptEditor::_notification(int p_what) {
 
 			EditorSettings::get_singleton()->connect("settings_changed", callable_mp(this, &ScriptEditor::_editor_settings_changed));
 			EditorFileSystem::get_singleton()->connect("filesystem_changed", callable_mp(this, &ScriptEditor::_filesystem_changed));
+#ifdef ANDROID_ENABLED
+			set_process(true);
+#endif
 		} break;
 
+#ifdef ANDROID_ENABLED
+		case NOTIFICATION_VISIBILITY_CHANGED: {
+			set_process(is_visible_in_tree());
+		} break;
+
+		case NOTIFICATION_PROCESS: {
+			const int kb_height = DisplayServer::get_singleton()->virtual_keyboard_get_height();
+			if (kb_height == last_kb_height) {
+				break;
+			}
+
+			last_kb_height = kb_height;
+			float spacer_height = 0.0f;
+			const float status_bar_height = 28 * EDSCALE; // Magic number
+
+			if (kb_height > 0) {
+				if (ScriptEditorBase *editor = _get_current_editor()) {
+					if (CodeTextEditor *code_editor = editor->get_code_editor()) {
+						if (CodeEdit *text_editor = code_editor->get_text_editor()) {
+							if (!text_editor->has_focus()) {
+								break;
+							}
+							text_editor->adjust_viewport_to_caret();
+						}
+					}
+				}
+
+				const float control_bottom = get_global_position().y + get_size().y;
+				const float extra_bottom = get_viewport_rect().size.y - control_bottom;
+				spacer_height = float(kb_height) - extra_bottom - status_bar_height;
+
+				if (spacer_height < 0.0f) {
+					spacer_height = 0.0f;
+				}
+			}
+
+			virtual_keyboard_spacer->set_custom_minimum_size(Size2(0, spacer_height));
+		} break;
+#endif
+
 		case NOTIFICATION_EXIT_TREE: {
 			EditorRunBar::get_singleton()->disconnect("stop_pressed", callable_mp(this, &ScriptEditor::_editor_stop));
 		} break;
@@ -4187,6 +4230,12 @@ ScriptEditor::ScriptEditor(WindowWrapper *p_wrapper) {
 	main_container->add_child(script_split);
 	script_split->set_v_size_flags(SIZE_EXPAND_FILL);
 
+#ifdef ANDROID_ENABLED
+	virtual_keyboard_spacer = memnew(Control);
+	virtual_keyboard_spacer->set_h_size_flags(SIZE_EXPAND_FILL);
+	main_container->add_child(virtual_keyboard_spacer);
+#endif
+
 	list_split = memnew(VSplitContainer);
 	script_split->add_child(list_split);
 	list_split->set_v_size_flags(SIZE_EXPAND_FILL);

editor/script/script_editor_plugin.h

@@ -372,6 +372,11 @@ class ScriptEditor : public PanelContainer {
 
 	WindowWrapper *window_wrapper = nullptr;
 
+#ifdef ANDROID_ENABLED
+	Control *virtual_keyboard_spacer = nullptr;
+	int last_kb_height = -1;
+#endif
+
 	enum {
 		SCRIPT_EDITOR_FUNC_MAX = 32,
 	};