private static void PaintButton(Item item, BTN_POS position, MouseCursor cursor = MouseCursor.Link)
{
if (!STYLES_INITIALIZED)
{
BTN_LFT = new GUIStyle(GUI.skin.GetStyle("ButtonLeft"));
BTN_LFT.normal = BTN_LFT.active;
BTN_LFT.onNormal = BTN_LFT.onActive;
BTN_MID = new GUIStyle(GUI.skin.GetStyle("ButtonMid"));
BTN_RHT = new GUIStyle(GUI.skin.GetStyle("ButtonRight"));
STYLES_INITIALIZED = true;
}
GUIStyle style;
switch (position)
{
case BTN_POS.L: style = BTN_LFT; break;
case BTN_POS.M: style = BTN_MID; break;
case BTN_POS.R: style = BTN_RHT; break;
default: style = null; break;
}
if (GUILayout.Button(item.GetContent(), style, GUILayout.Width(BUTTONS_WIDTH)))
{
if (item.callback != null)
{
item.callback.Invoke();
}
}
Rect rect = GUILayoutUtility.GetLastRect();
Rect textureRect = new Rect(
rect.x + (rect.width / 2.0f - rect.height / 2.0f),
rect.y,
rect.height,
rect.height
);
GUI.DrawTexture(textureRect, item.GetTexture());
EditorGUIUtility.AddCursorRect(rect, cursor);
}
// PAINT METHODS: -------------------------------------------------------------------------
private static void OnPaintToolbar(SceneView sceneview)
{
GUISkin prevSkin = GUI.skin;
GUI.skin = EditorGUIUtility.GetBuiltinSkin(EditorSkin.Scene);
bool registeredItem = false;
while (REGISTER_ITEMS.Count > 0)
{
registeredItem = true;
Item item = REGISTER_ITEMS.Pop();
ITEMS.Add(item);
}
if (registeredItem)
{
ITEMS.Sort((Item x, Item y) => x.priority.CompareTo(y.priority));
}
if (ITEMS.Count == 0)
{
return;
}
Rect rect = new Rect(
MOVE_OFFSET_X,
MOVE_OFFSET_Y,
BUTTONS_WIDTH * ITEMS.Count,
TOOLBAR_HEIGHT
);
bool mouseInRect = rect.Contains(UnityEngine.Event.current.mousePosition);
if (UnityEngine.Event.current.type == EventType.MouseUp)
{
DRAGGING = false;
}
if (UnityEngine.Event.current.type == EventType.MouseDown && mouseInRect)
{
MOUSE_POSITION = UnityEngine.Event.current.mousePosition;
DRAGGING = true;
}
if (DRAGGING)
{
Vector2 delta = UnityEngine.Event.current.mousePosition - MOUSE_POSITION;
MOVE_OFFSET_X += delta.x;
MOVE_OFFSET_Y += delta.y;
SceneView.currentDrawingSceneView.Repaint();
}
MOUSE_POSITION = UnityEngine.Event.current.mousePosition;
Handles.BeginGUI();
GUILayout.BeginArea(rect);
EditorGUILayout.BeginHorizontal();
for (int i = 0; i < ITEMS.Count - 1; ++i)
{
BTN_POS position = (i == 0 ? BTN_POS.L : BTN_POS.M);
PaintButton(ITEMS[i], position);
}
int panIndex = ITEMS.Count - 1;
PaintButton(ITEMS[panIndex], BTN_POS.R, MouseCursor.Pan);
EditorGUILayout.EndHorizontal();
GUILayout.EndArea();
Handles.EndGUI();
GUI.skin = prevSkin;
}
