/// <summary>
/// Create an auto-layout horizontal slider that user can drag to select a value.
/// </summary>
/// <param name="label">label of the slider</param>
/// <param name="value">The value the slider shows.</param>
/// <param name="minValue">The value at the left end of the slider.</param>
/// <param name="maxValue">The value at the right end of the slider.</param>
/// <returns>The value set by the user.</returns>
/// <remarks>minValue <= value <= maxValue</remarks>
public static double Slider(string label, double value, double minValue, double maxValue)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return(value);
}
var id = window.GetID(label);
// style apply
var style = GUIStyle.Basic;
// rect
Size size = style.CalcSize(label, GUIState.Normal);
style.PushStretchFactor(false, 1);//+1
{
var minSilderWidth = 200;
size.Width += minSilderWidth;
size.Height = 20;
}
var rect = window.GetRect(id);
// interact
var spacing = GUISkin.Instance.InternalStyle.Get <double>(GUIStyleName._ControlLabelSpacing);
var labelWidth = GUISkin.Instance.InternalStyle.Get <double>(GUIStyleName._LabelWidth);
var sliderWidth = rect.Width - spacing - labelWidth;
if (sliderWidth <= 0)
{
sliderWidth = 1;
}
var sliderRect = new Rect(rect.X, rect.Y,
sliderWidth,
rect.Height);
bool hovered, held;
value = GUIBehavior.SliderBehavior(sliderRect, id, true, value, minValue, maxValue, out hovered, out held);
// render
var state = GUIState.Normal;
if (hovered)
{
state = GUIState.Hover;
}
if (g.ActiveId == id && Mouse.Instance.LeftButtonState == KeyState.Down)
{
state = GUIState.Active;
}
GUIAppearance.DrawSlider(rect, label, value, minValue, maxValue, state, sliderRect, labelWidth);
// style restore
style.PopStyle();//-1
return(value);
}
/// <summary>
/// Create a horizontal slider that user can drag to select a value.
/// </summary>
/// <param name="rect">position and size of the control</param>
/// <param name="label">label</param>
/// <param name="value">The value the slider shows.</param>
/// <param name="minValue">The value at the top end of the slider.</param>
/// <param name="maxValue">The value at the bottom end of the slider.</param>
/// <returns>The value set by the user.</returns>
/// <remarks>minValue <= value <= maxValue</remarks>
public static double Slider(Rect rect, string label, double value, double minValue, double maxValue)
{
var g = GetCurrentContext();
var window = GetCurrentWindow();
if (window.SkipItems)
{
return(0);
}
//get or create the root node
var id = window.GetID(label);
var container = window.AbsoluteVisualList;
var node = (Node)container.Find(visual => visual.Id == id);
var text = Utility.FindRenderedText(label);
if (node == null)
{
node = new Node(id, $"Slider<{label}>");
container.Add(node);
node.UseBoxModel = true;
node.RuleSet.Replace(GUISkin.Current[GUIControlName.Slider]);
}
node.ActiveSelf = true;
// rect
node.Rect = window.GetRect(rect);
// interact
var spacing = node.RuleSet.Get <double>("ControlLabelSpacing");
var labelWidth = node.RuleSet.Get <double>("LabelWidth");
var sliderWidth = rect.Width - spacing - labelWidth;
if (sliderWidth <= 0)
{
sliderWidth = 1;
}
var sliderRect = new Rect(node.Rect.X, node.Rect.Y,
sliderWidth,
node.Rect.Height);
bool hovered, held;
value = GUIBehavior.SliderBehavior(sliderRect, id, true, value, minValue, maxValue, out hovered, out held);
// render
var state = GUIState.Normal;
if (hovered)
{
state = GUIState.Hover;
}
if (g.ActiveId == id && Mouse.Instance.LeftButtonState == KeyState.Down)
{
state = GUIState.Active;
}
GUIAppearance.DrawSlider(node, text, value, minValue, maxValue, state, sliderRect, labelWidth);
return(value);
}
/// <summary>
/// Create a horizontal slider that user can drag to select a value.
/// </summary>
/// <param name="rect">position and size of the control</param>
/// <param name="label">label</param>
/// <param name="value">The value the slider shows.</param>
/// <param name="minValue">The value at the top end of the slider.</param>
/// <param name="maxValue">The value at the bottom end of the slider.</param>
/// <returns>The value set by the user.</returns>
/// <remarks>minValue <= value <= maxValue</remarks>
public static double Slider(Rect rect, string label, double value, double minValue, double maxValue)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return(value);
}
int id = window.GetID(label);
// rect
rect = window.GetRect(rect);
// interact
var spacing = GUISkin.Instance.InternalStyle.Get <double>(GUIStyleName._ControlLabelSpacing);
var labelWidth = GUISkin.Instance.InternalStyle.Get <double>(GUIStyleName._LabelWidth);
var sliderWidth = rect.Width - spacing - labelWidth;
if (sliderWidth <= 0)
{
sliderWidth = 1;
}
var sliderRect = new Rect(rect.X, rect.Y,
sliderWidth,
rect.Height);
bool hovered, held;
value = GUIBehavior.SliderBehavior(sliderRect, id, true, value, minValue, maxValue, out hovered, out held);
// render
var state = GUIState.Normal;
if (hovered)
{
state = GUIState.Hover;
}
if (g.ActiveId == id && Mouse.Instance.LeftButtonState == KeyState.Down)
{
state = GUIState.Active;
}
GUIAppearance.DrawSlider(rect, label, value, minValue, maxValue, state, sliderRect, labelWidth);
return(value);
}
/// <summary>
/// Create an auto-layout horizontal slider that user can drag to select a value.
/// </summary>
/// <param name="label">label of the slider</param>
/// <param name="value">The value the slider shows.</param>
/// <param name="minValue">The value at the left end of the slider.</param>
/// <param name="maxValue">The value at the right end of the slider.</param>
/// <returns>The value set by the user.</returns>
/// <remarks>minValue <= value <= maxValue</remarks>
public static double Slider(string label, double value, double minValue, double maxValue)
{
var g = GetCurrentContext();
var window = GetCurrentWindow();
if (window.SkipItems)
{
return(0);
}
//get or create the root node
var id = window.GetID(label);
var container = window.RenderTree.CurrentContainer;
var node = container.GetNodeById(id);
var text = Utility.FindRenderedText(label);
if (node == null)
{
node = new Node(id, $"Slider<{label}>");
node.UseBoxModel = true;
node.RuleSet.Replace(GUISkin.Current[GUIControlName.Slider]);
var size = node.RuleSet.CalcContentBoxSize(text, GUIState.Normal);
size.Width += size.Height + node.RuleSet.PaddingLeft;
var minSilderWidth = 200;
size.Width += minSilderWidth;
size.Height = 20;
node.AttachLayoutEntry(size);
}
container.AppendChild(node);
node.ActiveSelf = true;
// rect
node.Rect = window.GetRect(id);
// interact
var spacing = node.RuleSet.Get <double>("ControlLabelSpacing");
var labelWidth = node.RuleSet.Get <double>("LabelWidth");
var sliderWidth = node.Rect.Width - spacing - labelWidth;
if (sliderWidth <= 0)
{
sliderWidth = 1;
}
var sliderRect = new Rect(node.Rect.Location, sliderWidth, node.Rect.Height);
value = GUIBehavior.SliderBehavior(sliderRect, id, true, value, minValue, maxValue, out var hovered, out var held);
var state = GUIState.Normal;
if (hovered)
{
state = GUIState.Hover;
}
if (g.ActiveId == id && Mouse.Instance.LeftButtonState == KeyState.Down)
{
state = GUIState.Active;
}
// last item state
window.TempData.LastItemState = node.State;
// render
GUIAppearance.DrawSlider(node, label, value, minValue, maxValue, state, sliderRect, labelWidth);
return(value);
}