public static double SliderBehavior(Rect sliderRect, int id, bool horizontal, double value, double minValue, double maxValue, out bool hovered, out bool held)
{
GUIContext g = Form.current.uiContext;
hovered = false;
held = false;
hovered = g.IsHovered(sliderRect, id);
g.KeepAliveID(id);
if (hovered)
{
g.SetHoverID(id);
if (Mouse.Instance.LeftButtonPressed) //start track
{
g.SetActiveID(id);
}
}
if (g.ActiveId == id)
{
if (Mouse.Instance.LeftButtonState == KeyState.Down)
{
var mousePos = Mouse.Instance.Position;
if (horizontal)
{
var leftPoint = new Point(sliderRect.X + 10, sliderRect.Y + sliderRect.Height / 2);
var rightPoint = new Point(sliderRect.Right - 10, sliderRect.Y + sliderRect.Height / 2);
var minX = leftPoint.X;
var maxX = rightPoint.X;
var currentPointX = MathEx.Clamp(mousePos.X, minX, maxX);
value = minValue + (currentPointX - minX) / (maxX - minX) * (maxValue - minValue);
}
else
{
var upPoint = new Point(sliderRect.X + sliderRect.Width / 2, sliderRect.Y + 10);
var bottomPoint = new Point(sliderRect.X + sliderRect.Width / 2, sliderRect.Bottom - 10);
var minY = upPoint.Y;
var maxY = bottomPoint.Y;
var currentPointY = MathEx.Clamp(mousePos.Y, minY, maxY);
value = (float)(minValue + (currentPointY - minY) / (maxY - minY) * (maxValue - minValue));
}
}
else //end track
{
g.SetActiveID(0);
}
}
if (g.ActiveId == id)
{
held = true;
}
return(value);
}
public static bool ToggleBehavior(Rect rect, int id, bool value, out bool hovered)
{
GUIContext g = Form.current.uiContext;
hovered = g.IsHovered(rect, id);
g.KeepAliveID(id);
if (hovered)
{
g.SetHoverID(id);
if (Mouse.Instance.LeftButtonPressed)
{
g.SetActiveID(id);
}
if (g.ActiveId == id && Mouse.Instance.LeftButtonReleased)
{
value = !value;
g.SetActiveID(0);
}
}
return(value);
}
public static bool SelectableBehavior(Rect rect, int id, bool selected, out bool out_hovered, out bool out_held)
{
GUIContext g = Form.current.uiContext;
bool hovered = g.IsHovered(rect, id);
if (hovered)
{
g.SetHoverID(id);
if (Mouse.Instance.LeftButtonPressed)
{
g.SetActiveID(id);
}
if (g.ActiveId == id && Mouse.Instance.LeftButtonReleased)
{
selected = !selected;
g.SetActiveID(0);
}
}
bool held = false;
if (g.ActiveId == id)
{
if (Mouse.Instance.LeftButtonState == KeyState.Down)
{
held = true;
}
}
out_hovered = hovered;
out_held = held;
return(selected);
}
public static bool ButtonBehavior(Rect bb, int id, out bool outHovered, out bool outHeld, ButtonFlags flags = 0)
{
GUIContext g = Form.current.uiContext;
WindowManager w = g.WindowManager;
Window window = w.CurrentWindow;
if (flags.HaveFlag(ButtonFlags.Disabled))
{
outHovered = false;
outHeld = false;
if (g.ActiveId == id)
{
g.SetActiveID(0);
}
return(false);
}
if (!flags.HaveFlag(ButtonFlags.PressedOnClickRelease | ButtonFlags.PressedOnClick | ButtonFlags.PressedOnRelease | ButtonFlags.PressedOnDoubleClick))
{
flags |= ButtonFlags.PressedOnClickRelease;
}
bool pressed = false;
bool hovered = g.IsHovered(bb, id, flags.HaveFlag(ButtonFlags.FlattenChilds));
if (hovered)
{
g.SetHoverID(id);
if (!flags.HaveFlag(ButtonFlags.NoKeyModifiers) || (!Keyboard.Instance.KeyPressed(Key.LeftControl) && !Keyboard.Instance.KeyPressed(Key.LeftShift) && !Keyboard.Instance.KeyPressed(Key.LeftAlt)))
{
// | CLICKING | HOLDING with ButtonFlags.Repeat
// PressedOnClickRelease | <on release>* | <on repeat> <on repeat> .. (NOT on release) <-- MOST COMMON! (*) only if both click/release were over bounds
// PressedOnClick | <on click> | <on click> <on repeat> <on repeat> ..
// PressedOnRelease | <on release> | <on repeat> <on repeat> .. (NOT on release)
// PressedOnDoubleClick | <on dclick> | <on dclick> <on repeat> <on repeat> ..
if (flags.HaveFlag(ButtonFlags.PressedOnClickRelease) && Mouse.Instance.LeftButtonPressed)
{
g.SetActiveID(id, window); // Hold on ID
w.FocusWindow(window);
g.ActiveIdClickOffset = Mouse.Instance.Position - bb.Min;
}
if (((flags.HaveFlag(ButtonFlags.PressedOnClick) && Mouse.Instance.LeftButtonPressed) ||
(flags.HaveFlag(ButtonFlags.PressedOnDoubleClick) && Mouse.Instance.LeftButtonDoubleClicked)))
{
pressed = true;
g.SetActiveID(0);
w.FocusWindow(window);
}
if (flags.HaveFlag(ButtonFlags.PressedOnRelease) && Mouse.Instance.LeftButtonReleased)
{
if (!(flags.HaveFlag(ButtonFlags.Repeat) && Mouse.Instance.LeftButtonDownDurationPrev >= Keyboard.KeyRepeatDelay)) // Repeat mode trumps <on release>
{
pressed = true;
}
g.SetActiveID(0);
}
// 'Repeat' mode acts when held regardless of _PressedOn flags (see table above).
// Relies on repeat logic of IsMouseClicked() but we may as well do it ourselves if we end up exposing finer RepeatDelay/RepeatRate settings.
if (flags.HaveFlag(ButtonFlags.Repeat) && g.ActiveId == id && Mouse.Instance.LeftButtonDownDuration > 0.0f && g.IsMouseLeftButtonClicked(true))
{
pressed = true;
}
}
}
bool held = false;
if (g.ActiveId == id)
{
if (Mouse.Instance.LeftButtonState == KeyState.Down)
{
held = true;
}
else
{
if (hovered && flags.HaveFlag(ButtonFlags.PressedOnClickRelease))
{
if (!(flags.HaveFlag(ButtonFlags.Repeat) && Mouse.Instance.LeftButtonDownDurationPrev >= Keyboard.KeyRepeatDelay)) // Repeat mode trumps <on release>
{
pressed = true;
}
}
g.SetActiveID(0);
}
}
// AllowOverlap mode (rarely used) requires previous frame HoveredId to be null or to match. This allows using patterns where a later submitted widget overlaps a previous one.
if (hovered && flags.HaveFlag(ButtonFlags.AllowOverlapMode) && (g.HoveredIdPreviousFrame != id && g.HoveredIdPreviousFrame != 0))
{
hovered = pressed = held = false;
}
outHovered = hovered;
outHeld = held;
return(pressed);
}
public static string TextBoxBehavior(int id, Rect rect, string text, out bool hovered, out bool active, out InputTextContext context, InputTextFlags flags = 0, Func <char, bool> checker = null)
{
GUIContext g = Form.current.uiContext;
active = false;
hovered = g.IsHovered(rect, id);
if (hovered)
{
g.SetHoverID(id);
if (Mouse.Instance.LeftButtonPressed)
{
g.SetActiveID(id);
}
}
else
{
if (Mouse.Instance.LeftButtonPressed)
{
if (g.ActiveId == id)
{
g.SetActiveID(0);
}
}
}
if (g.ActiveId == id && g.InputTextState.inputTextContext.Id != id) //editing text box changed to TextBox<id>
{
g.InputTextState.stateMachine.CurrentState = "Active"; //reset state
g.InputTextState.inputTextContext = new InputTextContext() //reset input text context data
{
Id = id,
CaretIndex = 0,
SelectIndex = 0,
Selecting = false,
CaretPosition = Point.Zero,
Flags = flags,
Checker = checker,
Rect = rect,
Text = text
};
}
context = null;
if (g.ActiveId == id)
{
active = true;
var stateMachine = g.InputTextState.stateMachine;
context = g.InputTextState.inputTextContext;
context.Rect = rect;
// Although we are active we don't prevent mouse from hovering other elements unless we are interacting right now with the widget.
// Down the line we should have a cleaner library-wide concept of Selected vs Active.
g.ActiveIdAllowOverlap = !Mouse.Instance.LeftButtonPressed;
#if INSPECT_STATE
var A = stateMachine.CurrentState;
#endif
if (Mouse.Instance.LeftButtonPressed)
{
stateMachine.MoveNext(TextBoxCommand.MoveCaret, context);
}
if (hovered && Mouse.Instance.LeftButtonState == KeyState.Down &&
stateMachine.CurrentState != TextBoxState.ActiveSelecting)
{
stateMachine.MoveNext(TextBoxCommand.MoveCaret, context);
stateMachine.MoveNext(TextBoxCommand.BeginSelect, context);
}
if (hovered && Mouse.Instance.LeftButtonState == KeyState.Up)
{
stateMachine.MoveNext(TextBoxCommand.EndSelect, context);
}
if (stateMachine.CurrentState == TextBoxState.Active)
{
stateMachine.MoveNext(TextBoxCommand.DoEdit, context);
}
if (stateMachine.CurrentState == TextBoxState.ActiveSelecting)
{
stateMachine.MoveNext(TextBoxCommand.DoSelect, context);
}
stateMachine.MoveNext(TextBoxCommand.MoveCaretKeyboard, context);
#if INSPECT_STATE
var B = stateMachine.CurrentState;
Debug.WriteLineIf(A != B,
string.Format("TextBox<{0}> {1}=>{2} CaretIndex: {3}, SelectIndex: {4}",
id, A, B, context.CaretIndex, context.SelectIndex));
#endif
return(context.Text);
}
return(text);
}
