internal static bool DrawColorPaletteColorPicker(object key, ColorPalette colorPalette, ref Color color, bool drawAlpha, bool stretchPalette, float width = 20, float height = 20, float margin = 0)
{
bool result = false;
var rect = AllEditorGUI.BeginHorizontalAutoScrollBox(key, GUILayoutOptions.ExpandWidth(true).ExpandHeight(false));
{
if (stretchPalette)
{
rect.width -= margin * colorPalette.Colors.Count - margin;
width = Mathf.Max(width, rect.width / colorPalette.Colors.Count);
}
bool isMouseDown = Event.current.type == EventType.MouseDown;
var innerRect = GUILayoutUtility.GetRect((width + margin) * colorPalette.Colors.Count, height, GUIStyle.none);
float spacing = width + margin;
var cellRect = innerRect;
cellRect.width = width;
for (int i = 0; i < colorPalette.Colors.Count; i++)
{
cellRect.x = spacing * i;
if (drawAlpha)
{
EditorGUIUtility.DrawColorSwatch(cellRect, colorPalette.Colors[i]);
}
else
{
var c = colorPalette.Colors[i];
c.a = 1;
AllEditorGUI.DrawSolidRect(cellRect, c);
}
if (isMouseDown && cellRect.Contains(Event.current.mousePosition))
{
color = colorPalette.Colors[i];
result = true;
GUI.changed = true;
Event.current.Use();
}
}
}
AllEditorGUI.EndHorizontalAutoScrollBox();
return(result);
}