UnityEditor.EditorGUILayout.ButtonMouseDown C# (CSharp) Method

        internal static bool ButtonMouseDown(GUIContent content, FocusType focusType, GUIStyle style, params GUILayoutOption[] options)
        {
            s_LastRect = GUILayoutUtility.GetRect(content, style, options);
            return EditorGUI.ButtonMouseDown(s_LastRect, content, focusType, style);
        }

        public void OnGUI(AudioMixerGroupController group)
        {
            if ((UnityEngine.Object)group == (UnityEngine.Object)null)
            {
                return;
            }
            AudioMixerController             controller         = group.controller;
            List <AudioMixerGroupController> allAudioGroupsSlow = controller.GetAllAudioGroupsSlow();
            Dictionary <AudioMixerEffectController, AudioMixerGroupController> effectMap = new Dictionary <AudioMixerEffectController, AudioMixerGroupController>();

            using (List <AudioMixerGroupController> .Enumerator enumerator = allAudioGroupsSlow.GetEnumerator())
            {
                while (enumerator.MoveNext())
                {
                    AudioMixerGroupController current = enumerator.Current;
                    foreach (AudioMixerEffectController effect in current.effects)
                    {
                        effectMap[effect] = current;
                    }
                }
            }
            Rect totalRect = EditorGUILayout.BeginVertical();

            if (EditorApplication.isPlaying)
            {
                GUILayout.BeginHorizontal();
                GUILayout.FlexibleSpace();
                EditorGUI.BeginChangeCheck();
                GUILayout.Toggle((AudioSettings.editingInPlaymode ? 1 : 0) != 0, AudioMixerEffectView.Texts.editInPlaymode, EditorStyles.miniButton, new GUILayoutOption[1]
                {
                    GUILayout.Width(120f)
                });
                if (EditorGUI.EndChangeCheck())
                {
                    AudioSettings.editingInPlaymode = !AudioSettings.editingInPlaymode;
                }
                GUILayout.FlexibleSpace();
                GUILayout.EndHorizontal();
            }
            EditorGUI.BeginDisabledGroup(!AudioMixerController.EditingTargetSnapshot());
            if ((UnityEngine.Object)group != (UnityEngine.Object) this.m_PrevGroup)
            {
                this.m_PrevGroup = group;
                controller.m_HighlightEffectIndex = -1;
                AudioMixerUtility.RepaintAudioMixerAndInspectors();
            }
            double num = (double)AudioMixerEffectView.DoInitialModule(group, controller, allAudioGroupsSlow);

            for (int effectIndex = 0; effectIndex < group.effects.Length; ++effectIndex)
            {
                this.DoEffectGUI(effectIndex, group, allAudioGroupsSlow, effectMap, ref controller.m_HighlightEffectIndex);
            }
            this.m_EffectDragging.HandleDragging(totalRect, group, controller);
            GUILayout.Space(10f);
            EditorGUILayout.BeginHorizontal();
            GUILayout.FlexibleSpace();
            if (EditorGUILayout.ButtonMouseDown(AudioMixerEffectView.Texts.addEffect, FocusType.Passive, GUISkin.current.button))
            {
                GenericMenu pm   = new GenericMenu();
                Rect        last = GUILayoutUtility.topLevel.GetLast();
                AudioMixerGroupController[] groups = new AudioMixerGroupController[1] {
                    group
                };
                AudioMixerChannelStripView.AddEffectItemsToMenu(controller, groups, group.effects.Length, string.Empty, pm);
                pm.DropDown(last);
            }
            EditorGUILayout.EndHorizontal();
            EditorGUI.EndDisabledGroup();
            EditorGUILayout.EndVertical();
        }