/// <summary>
/// Draw a text content
/// </summary>
/// <param name="drawList"></param>
/// <param name="rect">the rect (of the text layouting box) to draw this text content</param>
/// <param name="text">the text</param>
/// <param name="style">style of the box model</param>
/// <param name="state">state of the style</param>
public static void DrawText(this DrawList drawList, Rect rect, string text, GUIStyle style, GUIState state)
{
TextAlignment alignment = (TextAlignment)style.Get <int>(GUIStyleName.TextAlignment, state);
if (alignment != TextAlignment.Leading)
{
var textWidth = style.CalcSize(text, state).Width;
if (rect.Width > textWidth)
{
if (alignment == TextAlignment.Center)
{
var offsetX = (rect.Width - textWidth) / 2;
rect.X += offsetX;
rect.Width -= offsetX;
}
else if (alignment == TextAlignment.Trailing)
{
rect.X = rect.Right - textWidth;
rect.Width = textWidth;
}
}
}
drawList.AddText(rect, text, style, state);
}
/// <remarks>
/// Note: Design of a toggle
/// |←16→|
/// | |---------------+
/// | | |
/// +----+ |
/// | √ | label |
/// +----+ |
/// | |
/// +---------------+
/// </remarks>
public static void DrawToggle(Rect rect, string label, bool value, GUIState state)
{
GUIContext g = Form.current.uiContext;
WindowManager w = g.WindowManager;
Window window = w.CurrentWindow;
GUIStyle style = GUIStyle.Basic;
DrawList d = window.DrawList;
var spacing = GUISkin.Instance.InternalStyle.Get <double>(GUIStyleName._ControlLabelSpacing);
var boxRect = new Rect(rect.X, rect.Y + MathEx.ClampTo0(rect.Height - 16) / 2, 16, 16);
var textRect = new Rect(rect.X + 16 + spacing, rect.Y, MathEx.ClampTo0(rect.Width - 16 - spacing),
rect.Height);
// box
var filledBoxColor = Color.Rgb(0, 151, 167);
var boxBorderColor = Color.White;
var tickColor = Color.Rgb(48, 48, 48);
d.AddRectFilled(boxRect.TopLeft, boxRect.BottomRight, filledBoxColor); //□
d.AddRect(boxRect.TopLeft, boxRect.BottomRight, boxBorderColor, 0, 0, 2); //□
if (value) //√
{
var h = boxRect.Height;
d.PathMoveTo(new Point(0.125f * h + boxRect.X, 0.50f * h + boxRect.Y));
d.PathLineTo(new Point(0.333f * h + boxRect.X, 0.75f * h + boxRect.Y));
d.PathLineTo(new Point(0.875f * h + boxRect.X, 0.25f * h + boxRect.Y));
d.PathStroke(tickColor, false, 2);
}
// label
d.DrawBoxModel(textRect, label, style, state);
}
/// <summary>
/// Create an auto-layout button that acts like a toggle.
/// </summary>
/// <param name="text">text to display on the button</param>
/// <param name="selected">whether this selectable is selected</param>
/// <param name="options">layout options that specify layouting properties. See also <see cref="GUILayout.Width"/>, <see cref="GUILayout.Height"/>, <see cref="GUILayout.ExpandWidth"/>, <see cref="GUILayout.ExpandHeight"/>, <see cref="GUILayout.StretchWidth"/>, <see cref="GUILayout.StretchHeight"/></param>
/// <returns>new value of the toggle-button</returns>
public static bool Selectable(string text, bool selected, LayoutOptions?options)
{
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return(false);
}
int id = window.GetID(text);
// style
var style = GUIStyle.Basic;
style.ApplySkin(GUIControlName.Selectable);
style.ApplyOption(options);
// rect
Size size = style.CalcSize(text, GUIState.Normal);
Rect rect = window.GetRect(id, size);
// interact
selected = GUIBehavior.SelectableBehavior(rect, id, selected, out bool hovered, out bool held);
// render
DrawList d = window.DrawList;
var state = (selected || (hovered && held)) ? GUIState.Active : hovered ? GUIState.Hover : GUIState.Normal;
d.DrawBoxModel(rect, text, style, state);
style.Restore();
return(selected);
}
/// <summary>
/// Create an auto-layout label.
/// </summary>
/// <param name="text">text to display</param>
public static void Label(string text, LayoutOptions?options)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return;
}
int id = window.GetID(text);
// style
var style = GUIStyle.Basic;
style.Save();
style.ApplyOption(options);
// rect
Size contentSize = style.CalcSize(text, GUIState.Normal);
Rect rect = window.GetRect(id);
// rendering
DrawList d = window.DrawList;
d.DrawBoxModel(rect, text, style);
style.Restore();
}
private static void DrawColorDragButton(DrawList drawList, Rect rect, int id, char colorChar, double value, GUIState state)
{
GUIContext g = Form.current.uiContext;
Window window = g.WindowManager.CurrentWindow;
var style = GUIStyle.Basic;
var d = window.DrawList;
style.PushBgColor(new Color(0.80f, 0.80f, 0.80f, 0.30f)); //+1
d.AddRectFilled(rect, style.BackgroundColor);
style.PopStyle(); //-1
string text;
text = string.Format("{0}:{1,3}", colorChar, (int)(value * 255));
var fullTextSize = style.CalcSize(text, state);
var contentRect = style.GetContentRect(rect, state);
if (fullTextSize.Width > contentRect.Width)
{
text = ((int)(value * 255)).ToString();
}
style.PushTextAlignment(TextAlignment.Center);
d.DrawBoxModel(rect, text, style, state);
style.PopStyle();
}
/// <summary>
/// Create an auto-layout image.
/// </summary>
/// <param name="filePath">file path of the image to display. The path should be relative to current dir or absolute.</param>
public static void Image(string filePath)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return;
}
var id = window.GetID(filePath);
// style
var style = GUIStyle.Basic;
style.PushBorder(1.0);
// rect
var texture = TextureUtil.GetTexture(filePath);
Size size = style.CalcSize(texture, GUIState.Normal);
var rect = window.GetRect(id);
// render
DrawList d = window.DrawList;
style.PushBorderColor(Color.Black);//+4
d.DrawBoxModel(rect, texture, style);
style.PopStyle(4 + 4);
}
/// <summary>
/// Create an auto-layout image.
/// </summary>
/// <param name="rect">position and size</param>
/// <param name="texture">texture, call<see cref="CreateTexture"/>to load it manually.</param>
public static void Image(Rect rect, ITexture texture)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return;
}
// style
var style = GUIStyle.Basic;
style.PushBorder(1.0);
// rect
rect = window.GetRect(rect);
// render
DrawList d = window.DrawList;
style.PushBorderColor(Color.Black);//+4
d.DrawBoxModel(rect, texture, style);
style.PopStyle(4 + 4);
}
public static double ProgressBar(string str_id, double percent, Size size, string overlayText = null)
{
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return(percent);
}
GUIContext g = GetCurrentContext();
int id = window.GetID(str_id);
// style
var style = GUIStyle.Basic;
// rect
var rect = window.GetRect(id, size);
percent = MathEx.Clamp01(percent);
// render
DrawList d = window.DrawList;
GUIAppearance.DrawProgressBar(rect, percent);
if (overlayText != null)
{
style.PushTextAlignment(TextAlignment.Center);
d.DrawBoxModel(rect, overlayText, style);
style.PopStyle();
}
return(percent);
}
public static void DoControl(Rect rect, string text)
{
Form form = Form.current;
GUIContext g = form.uiContext;
Window window = g.WindowManager.CurrentWindow;
DrawList d = window.DrawList;
d.DrawBoxModel(rect, text, GUISkin.Instance[GUIControlName.Box]);
}
/// <summary>
/// Render a rectangle shaped with optional rounding and borders
/// </summary>
/// <param name="drawList"></param>
/// <param name="p_min"></param>
/// <param name="p_max"></param>
/// <param name="fill_col"></param>
/// <param name="border"></param>
/// <param name="rounding"></param>
public static void RenderFrame(this DrawList drawList, Point p_min, Point p_max, Color fill_col,
bool border = false, float rounding = 15)
{
drawList.AddRectFilled(p_min, p_max, fill_col, rounding);
if (border)
{
drawList.AddRect(p_min + new Vector(1, 1), p_max + new Vector(1, 1), Color.Black, rounding);
drawList.AddRect(p_min, p_max, new Color(0.70f, 0.70f, 0.70f, 0.65f), rounding);
}
}
public static void DrawVSlider(Rect rect, string label, double value, double minValue, double maxValue, GUIState state,
Rect sliderRect, double labelHeight)
{
GUIContext g = Form.current.uiContext;
WindowManager w = g.WindowManager;
Window window = w.CurrentWindow;
GUIStyle style = GUIStyle.Basic;
DrawList d = window.DrawList;
var colorForLineUsed = Color.Rgb(0, 151, 167);
var colorForLineUnused = state == GUIState.Normal ? Color.Rgb(117, 117, 117) : Color.Rgb(255, 128, 171);
//slider
var h = sliderRect.Width;
var a = 0.2 * h;
var b = 0.3 * h;
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 currentPoint = upPoint + new Vector(0, (value - minValue) / (maxValue - minValue) * (maxY - minY));
var leftArcCenter = currentPoint + new Vector(-b, 0);
var rightArcCenter = currentPoint + new Vector(b, 0);
var rightStartPoint = rightArcCenter + new Vector(0, -a);
d.PathMoveTo(upPoint);
d.PathLineTo(currentPoint);
d.PathStroke(colorForLineUsed, false, 2);
d.PathMoveTo(currentPoint);
d.PathLineTo(bottomPoint);
d.PathStroke(colorForLineUnused, false, 2);
d.PathArcToFast(leftArcCenter, a, 3, 9);
d.PathLineTo(rightStartPoint);
d.PathArcToFast(rightArcCenter, a, 9, 12);
d.PathArcToFast(rightArcCenter, a, 0, 3);
d.PathClose();
//label
var labelRect = new Rect(rect.X, rect.Bottom - labelHeight,
rect.Width, labelHeight);
d.DrawText(labelRect, label, style, state);
style.PushBgColor(new Color(0.67f, 0.40f, 0.40f, 0.60f), GUIState.Normal); //+1 TODO It's stupid to sprcifiy style like this. There should be a better way to do this.
style.PushBgColor(new Color(0.67f, 0.40f, 0.40f, 1.00f), GUIState.Hover); //+1
style.PushBgColor(new Color(0.80f, 0.50f, 0.50f, 1.00f), GUIState.Active); //+1
var fillColor = style.Get <Color>(GUIStyleName.BackgroundColor, state);
d.PathFill(fillColor);
style.PopStyle(3);
}
public static bool DoHoverButton(Rect rect, string text)
{
Form form = Form.current;
GUIContext g = form.uiContext;
Window window = g.WindowManager.CurrentWindow;
DrawList d = window.DrawList;
int id = window.GetID(text);
var mousePos = Mouse.Instance.Position;
var result = false;
var hovered = rect.Contains(mousePos);
//control logic
var uiState = Form.current.uiContext;
uiState.KeepAliveID(id);
if (hovered)
{
uiState.SetHoverID(id);
if (uiState.ActiveId == GUIContext.None)
{
uiState.SetActiveID(id);
result = true;
}
}
else
{
if (uiState.ActiveId == id)
{
uiState.SetActiveID(GUIContext.None);
}
result = false;
}
// ui representation
var state = GUI.Normal;
if (uiState.ActiveId == id)
{
state = GUI.Active;
}
// ui painting
{
d.DrawBoxModel(rect, text, GUISkin.Instance[GUIControlName.Button], state);
}
return(result);
}
public static void DrawProgressBar(Rect rect, double percent, GUIState state = GUIState.Normal)
{
GUIContext g = Form.current.uiContext;
WindowManager w = g.WindowManager;
Window window = w.CurrentWindow;
GUIStyle style = GUIStyle.Basic;
DrawList d = window.DrawList;
style.PushBgColor(new Color(0.80f, 0.80f, 0.80f, 0.30f)); //+1
d.AddRectFilled(rect, style.BackgroundColor);
style.PopStyle(); //-1
var fillWidth = rect.Width * percent;
var fillRect = new Rect(rect.X, rect.Y, fillWidth, rect.Height);
style.PushFillColor(new Color(0.90f, 0.70f, 0.00f, 1.00f)); //+1
d.AddRectFilled(fillRect, style.FillColor);
style.PopStyle(); //-1
}
/// <summary>
/// Create a label.
/// </summary>
/// <param name="rect">position and size</param>
/// <param name="text">text to display</param>
public static void Label(Rect rect, string text)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return;
}
// style apply
var style = GUIStyle.Basic;
// rect
rect = window.GetRect(rect);
// render
DrawList d = window.DrawList;
d.DrawBoxModel(rect, text, style);
}
public static void RenderCollapseTriangle(this DrawList drawList, Point pMin, bool isOpen, double height, Color color, double scale = 1)
{
double h = height;
double r = h * 0.40f * scale;
Point center = pMin + new Vector(h * 0.50f, h * 0.50f) * scale;
Point a, b, c;
if (isOpen)
{
center.Y -= r * 0.25f;
a = center + new Vector(0, 1) * r;
b = center + new Vector(-0.866f, -0.5f) * r;
c = center + new Vector(0.866f, -0.5f) * r;
}
else
{
a = center + new Vector(1, 0) * r;
b = center + new Vector(-0.500f, 0.866f) * r;
c = center + new Vector(-0.500f, -0.866f) * r;
}
drawList.AddTriangleFilled(a, b, c, color);
}
/// <summary>
/// Draw a box model
/// </summary>
/// <param name="drawList"></param>
/// <param name="rect">the rect (of the border-box) to draw this box model </param>
/// <param name="text">text of the box model</param>
/// <param name="style">style of the box model</param>
/// <param name="state"></param>
public static void DrawBoxModel(this DrawList drawList, Rect rect, string text, GUIStyle style, GUIState state = GUIState.Normal)
{
if (rect == Layout.StackLayout.DummyRect)
{
return;
}
//Widths of border
var bt = style.Get <double>(GUIStyleName.BorderTop, state);
var br = style.Get <double>(GUIStyleName.BorderRight, state);
var bb = style.Get <double>(GUIStyleName.BorderBottom, state);
var bl = style.Get <double>(GUIStyleName.BorderLeft, state);
//Widths of padding
var pt = style.Get <double>(GUIStyleName.PaddingTop, state);
var pr = style.Get <double>(GUIStyleName.PaddingRight, state);
var pb = style.Get <double>(GUIStyleName.PaddingBottom, state);
var pl = style.Get <double>(GUIStyleName.PaddingLeft, state);
//4 corner of the border-box
var btl = new Point(rect.Left, rect.Top);
var btr = new Point(rect.Right, rect.Top);
var bbr = new Point(rect.Right, rect.Bottom);
var bbl = new Point(rect.Left, rect.Bottom);
var borderBoxRect = new Rect(btl, bbr);
//4 corner of the padding-box
var ptl = new Point(btl.X + bl, btl.Y + bt);
var ptr = new Point(btr.X - br, btr.Y + bt);
var pbr = new Point(bbr.X - br, bbr.Y - bb);
var pbl = new Point(bbl.X + bl, bbl.Y - bb);
//if (ptl.X > ptr.X) return;//TODO what if (ptl.X > ptr.X) happens?
var paddingBoxRect = new Rect(ptl, pbr);
//4 corner of the content-box
var ctl = new Point(ptl.X + pl, ptl.Y + pt);
var ctr = new Point(ptr.X - pr, ptr.Y + pr);
var cbr = new Point(pbr.X - pr, pbr.Y - pb);
var cbl = new Point(pbl.X + pl, pbl.Y - pb);
var contentBoxRect = new Rect(ctl, cbr);
// draw background in padding-box
var gradient = (Gradient)style.Get <int>(GUIStyleName.BackgroundGradient, state);
if (gradient == Gradient.None)
{
var bgColor = style.Get <Color>(GUIStyleName.BackgroundColor, state);
var borderRounding = style.BorderRadius.topLeft; //FIXME
drawList.AddRectFilled(paddingBoxRect, bgColor, (float)borderRounding); //TODO drawing method needed: rect with custom rounding at each corner
}
else if (gradient == Gradient.TopBottom)
{
var topColor = style.Get <Color>(GUIStyleName.GradientTopColor, state);
var bottomColor = style.Get <Color>(GUIStyleName.GradientBottomColor, state);
drawList.AddRectFilledGradient(paddingBoxRect, topColor, bottomColor);
}
else
{
throw new InvalidOperationException();
}
//Content
//Content-box
if (text != null && ctl.X < ctr.X)//content should not be visible when ctl.X > ctr.X
{
//var textSize = style.CalcSize(text, state);
/*HACK Don't check text size because the size calculated by Typography is not accurate. */
/*if (textSize.Height < contentBoxRect.Height && textSize.Width < contentBoxRect.Width)*/
{
drawList.DrawText(contentBoxRect, text, style, state);
}
}
//Border
// Top
if (!MathEx.AmostZero(bt))
{
var borderTopColor = style.Get <Color>(GUIStyleName.BorderTopColor, state);
if (!MathEx.AmostZero(borderTopColor.A))
{
drawList.PathLineTo(ptl);
drawList.PathLineTo(btl);
drawList.PathLineTo(btr);
drawList.PathLineTo(ptr);
drawList.PathFill(borderTopColor);
}
}
// Right
if (!MathEx.AmostZero(br))
{
var borderRightColor = style.Get <Color>(GUIStyleName.BorderRightColor, state);
if (!MathEx.AmostZero(borderRightColor.A))
{
drawList.PathLineTo(ptr);
drawList.PathLineTo(btr);
drawList.PathLineTo(bbr);
drawList.PathLineTo(pbr);
drawList.PathFill(borderRightColor);
}
}
// Bottom
if (!MathEx.AmostZero(bb))
{
var borderBottomColor = style.Get <Color>(GUIStyleName.BorderBottomColor, state);
if (!MathEx.AmostZero(borderBottomColor.A))
{
drawList.PathLineTo(pbr);
drawList.PathLineTo(bbr);
drawList.PathLineTo(bbl);
drawList.PathLineTo(pbl);
drawList.PathFill(borderBottomColor);
}
}
// Left
if (!MathEx.AmostZero(bl))
{
var borderLeftColor = style.Get <Color>(GUIStyleName.BorderLeftColor, state);
if (!MathEx.AmostZero(borderLeftColor.A))
{
drawList.PathLineTo(pbl);
drawList.PathLineTo(bbl);
drawList.PathLineTo(btl);
drawList.PathLineTo(ptl);
drawList.PathFill(borderLeftColor);
}
}
//Outline
var outlineWidth = style.Get <double>(GUIStyleName.OutlineWidth, state);
if (!MathEx.AmostZero(outlineWidth))
{
var outlineColor = style.Get <Color>(GUIStyleName.OutlineColor, state);
if (!MathEx.AmostZero(outlineColor.A))
{
drawList.PathRect(btl, bbr);
drawList.PathStroke(outlineColor, true, outlineWidth);
}
}
#if DrawPaddingBox
drawList.PathRect(ptl, pbr);
drawList.PathStroke(Color.ColorRgb(0, 100, 100), true, 1);
#endif
#if DrawContentBox
drawList.PathRect(ctl, cbr);
drawList.PathStroke(Color.ColorRgb(100, 0, 100), true, 1);
#endif
}
/// <summary>
/// Create an auto-layout collapsing header.
/// </summary>
/// <param name="text">header text</param>
/// <param name="open">opened</param>
/// <returns>true when opened</returns>
/// <remarks> It is horizontally stretched (factor 1).</remarks>
public static bool CollapsingHeader(string text, ref bool open, float scale = 1)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return(false);
}
var id = window.GetID(text);
// style apply
var style = GUIStyle.Basic;
style.PushStretchFactor(false, 1); //+1, always expand width
style.PushPadding(2); //4
// rect
var height = style.GetLineHeight();
Rect rect = window.GetRect(id, new Size(0, height));
if (rect == Layout.StackLayout.DummyRect) //TODO how shold dummy rect be correctly handled in every control?
{
style.PopStyle(); //-1
style.PopStyle(4); //-4
return(false);
}
// interact
bool hovered, held;
bool pressed = GUIBehavior.ButtonBehavior(rect, id, out hovered, out held, ButtonFlags.PressedOnClick);
if (pressed)
{
open = !open;
}
// render
{
DrawList d = window.DrawList;
style.PushBgColor(new Color(0.40f, 0.40f, 0.90f, 0.45f), GUIState.Normal); //+1 TODO It's stupid to sprcifiy style like this. There should be a better way to do this.
style.PushBgColor(new Color(0.45f, 0.45f, 0.90f, 0.80f), GUIState.Hover); //+1
style.PushBgColor(new Color(0.53f, 0.53f, 0.87f, 0.80f), GUIState.Active); //+1
var state = (hovered && held) ? GUIState.Active : hovered ? GUIState.Hover : GUIState.Normal;
Color col = style.Get <Color>(GUIStyleName.BackgroundColor, state);
d.RenderFrame(rect.Min, rect.Max, col, false, 0);
style.PopStyle(3);
d.RenderCollapseTriangle(rect.Min, open, rect.Height, Color.Black, scale);
rect.X += rect.Height;
var delta = rect.Width - rect.Height;
if (delta > 0)
{
rect.Width = delta;
}
d.DrawText(rect, text, style, state);
}
// style restore
style.PopStyle(); //-1
style.PopStyle(4); //-4
return(open);
}
public static void RenderBullet(this DrawList drawList, Point pos, double lineHeight, Color color)
{
drawList.AddCircleFilled(pos, (float)lineHeight * 0.20f, color, 8);
}
/// <summary>
/// Draw an image content
/// </summary>
/// <param name="drawList"></param>
/// <param name="rect">the rect to draw this image content</param>
/// <param name="texture">the texture</param>
/// <param name="style">style of the image content</param>
public static void DrawImage(this DrawList drawList, Rect rect, ITexture texture, GUIStyle style, GUIState state)
{
var uvMin = new Point(
style.Get <double>(GUIStyleName.MinTextureCoordinateU, state),
style.Get <double>(GUIStyleName.MinTextureCoordinateV, state));
var uvMax = new Point(
style.Get <double>(GUIStyleName.MaxTextureCoordinateU, state),
style.Get <double>(GUIStyleName.MaxTextureCoordinateV, state));
drawList.AddImage(texture, rect.TopLeft, rect.BottomRight, uvMin, uvMax, Color.White);//TODO apply tint color
#if false
{
var(top, right, bottom, left) = style.BorderImageSlice;
Point uv0 = new Point(left / texture.Width, top / texture.Height);
Point uv1 = new Point(1 - right / texture.Width, 1 - bottom / texture.Height);
// | L | | R |
// ----a---b---c---+
// T | 1 | 2 | 3 |
// ----d---e---f---g
// | 4 | 5 | 6 |
// ----h---i---j---k
// B | 7 | 8 | 9 |
// ----+---l---m---n
var a = rect.TopLeft;
var b = a + new Vector(left, 0);
var c = rect.TopRight + new Vector(-right, 0);
var d = a + new Vector(0, top);
var e = b + new Vector(0, top);
var f = c + new Vector(0, top);
var g = f + new Vector(right, 0);
var h = rect.BottomLeft + new Vector(0, -bottom);
var i = h + new Vector(left, 0);
var j = rect.BottomRight + new Vector(-right, -bottom);
var k = j + new Vector(right, 0);
var l = i + new Vector(0, bottom);
var m = rect.BottomRight + new Vector(-right, 0);
var n = rect.BottomRight;
var uv_a = new Point(0, 0);
var uv_b = new Point(uv0.X, 0);
var uv_c = new Point(uv1.X, 0);
var uv_d = new Point(0, uv0.Y);
var uv_e = new Point(uv0.X, uv0.Y);
var uv_f = new Point(uv1.X, uv0.Y);
var uv_g = new Point(1, uv0.Y);
var uv_h = new Point(0, uv1.Y);
var uv_i = new Point(uv0.X, uv1.Y);
var uv_j = new Point(uv1.X, uv1.Y);
var uv_k = new Point(1, uv1.Y);
var uv_l = new Point(uv0.X, 1);
var uv_m = new Point(uv1.X, 1);
var uv_n = new Point(1, 1);
//TODO merge these draw-calls (each call of AddImage will introduce a draw call)
drawList.AddImage(texture, a, e, uv_a, uv_e, Color.White); //1
drawList.AddImage(texture, b, f, uv_b, uv_f, Color.White); //2
drawList.AddImage(texture, c, g, uv_c, uv_g, Color.White); //3
drawList.AddImage(texture, d, i, uv_d, uv_i, Color.White); //4
drawList.AddImage(texture, e, j, uv_e, uv_j, Color.White); //5
drawList.AddImage(texture, f, k, uv_f, uv_k, Color.White); //6
drawList.AddImage(texture, h, l, uv_h, uv_l, Color.White); //7
drawList.AddImage(texture, i, m, uv_i, uv_m, Color.White); //8
drawList.AddImage(texture, j, n, uv_j, uv_n, Color.White); //9
}
#endif
}
internal static bool DoPolygonButton(Rect rect, IReadOnlyList <Point> points, Rect textRect, string text)
{
Form form = Form.current;
GUIContext g = form.uiContext;
Window window = g.WindowManager.CurrentWindow;
DrawList d = window.DrawList;
int id = window.GetID(text);
var mousePos = Mouse.Instance.Position;
var clicked = false;
var hovered = MathEx.IsPointInPolygon(mousePos, points, new Vector(rect.X, rect.Y));
textRect.Offset(rect.X, rect.Y);
//control logic
g.KeepAliveID(id);
if (hovered)
{
g.SetHoverID(id);
if (Mouse.Instance.LeftButtonPressed)//start track
{
g.SetActiveID(id);
}
if (Mouse.Instance.LeftButtonReleased)//end track
{
clicked = true;
g.SetActiveID(GUIContext.None);
}
}
// ui representation
var state = GUI.Normal;
if (hovered)
{
state = GUI.Hover;
if (g.ActiveId == id && Mouse.Instance.LeftButtonState == KeyState.Down)
{
state = GUI.Active;
}
}
// ui painting
{
var style = GUISkin.Instance[GUIControlName.PolygonButton];
d.PathClear();
foreach (var point in points)
{
d.PathMoveTo(point + new Vector(rect.X, rect.Y));
}
d.PathFill(style.FillColor);
d.PathClear();
foreach (var point in points)
{
d.PathMoveTo(point + new Vector(rect.X, rect.Y));
}
d.PathStroke(style.LineColor, true, 2);
d.DrawBoxModel(textRect, text, style, state);
}
return(clicked);
}
public Window(string name, Point position, Size size, WindowFlags Flags)
{
Form form = Form.current;
GUIContext g = form.uiContext;
this.ID = name.GetHashCode();
this.Name = name;
this.IDStack.Push(this.ID);
this.Flags = Flags;
this.PosFloat = position;
this.Position = new Point((int)PosFloat.X, (int)PosFloat.Y);
this.Size = this.FullSize = size;
this.DrawList = new DrawList();
this.MoveID = GetID("#MOVE");
this.Active = WasActive = false;
// window styles
{
var style = new GUIStyle();
style.Set(GUIStyleName.BorderTop, 1.0);
style.Set(GUIStyleName.BorderRight, 1.0);
style.Set(GUIStyleName.BorderBottom, 1.0);
style.Set(GUIStyleName.BorderLeft, 1.0);
style.Set(GUIStyleName.PaddingTop, 5.0);
style.Set(GUIStyleName.PaddingRight, 10.0);
style.Set(GUIStyleName.PaddingBottom, 5.0);
style.Set(GUIStyleName.PaddingLeft, 10.0);
style.Set(GUIStyleName.WindowBorderColor, Color.Rgb(170, 170, 170), GUIState.Normal);
style.Set(GUIStyleName.WindowBorderColor, Color.Rgb(24, 131, 215), GUIState.Active);
style.Set(GUIStyleName.WindowShadowColor, Color.Argb(100, 227, 227, 227));
style.Set(GUIStyleName.WindowShadowWidth, 15.0);
style.Set(GUIStyleName.BackgroundColor, Color.White);
style.Set(GUIStyleName.ResizeGripSize, 20.0);
style.Set(GUIStyleName.ResizeGripColor, Color.Argb(75, 102, 102, 102));
style.Set(GUIStyleName.ResizeGripColor, Color.Argb(150, 102, 102, 102), GUIState.Hover);
style.Set(GUIStyleName.ResizeGripColor, Color.Argb(225, 102, 102, 102), GUIState.Active);
style.Set(GUIStyleName.WindowRounding, 3.0);
style.Set(GUIStyleName.ScrollBarWidth, CurrentOS.IsDesktopPlatform ? 10.0 : 20.0);
style.Set(GUIStyleName.ScrollBarBackgroundColor, Color.Rgb(240));
style.Set(GUIStyleName.ScrollBarButtonColor, Color.Rgb(205), GUIState.Normal);
style.Set(GUIStyleName.ScrollBarButtonColor, Color.Rgb(166), GUIState.Hover);
style.Set(GUIStyleName.ScrollBarButtonColor, Color.Rgb(96), GUIState.Active);
this.Style = style;
}
// window header styles
{
var style = new GUIStyle();
style.Set(GUIStyleName.BackgroundColor, Color.White);
style.Set(GUIStyleName.BackgroundColor, Color.White, GUIState.Active);
style.Set(GUIStyleName.BackgroundColor, Color.White, GUIState.Disabled);
style.Set <double>(GUIStyleName.BorderTopLeftRadius, 3.0);
style.Set <double>(GUIStyleName.BorderTopRightRadius, 3.0);
style.Set(GUIStyleName.PaddingTop, 8.0);
style.Set(GUIStyleName.PaddingRight, 8.0);
style.Set(GUIStyleName.PaddingBottom, 8.0);
style.Set(GUIStyleName.PaddingLeft, 8.0);
style.Set(GUIStyleName.FontColor, Color.Black, GUIState.Normal);
style.Set(GUIStyleName.FontColor, Color.Rgb(153, 153, 153), GUIState.Active);
style.FontFamily = GUIStyle.Default.FontFamily;
style.FontSize = 12.0;
this.TitleBarStyle = style;
}
var scrollBarWidth = this.Style.Get <double>(GUIStyleName.ScrollBarWidth);
var clientSize = new Size(
this.Size.Width - scrollBarWidth - this.Style.PaddingHorizontal - this.Style.BorderHorizontal,
this.Size.Height - this.Style.PaddingVertical - this.Style.BorderVertical - this.TitleBarHeight);
this.StackLayout = new StackLayout(this.ID, clientSize);
}
public static bool TreeNode(string label, ref bool open)
{
GUIContext g = GetCurrentContext();
Window window = GetCurrentWindow();
if (window.SkipItems)
{
return(false);
}
BeginVertical(label + "_Tree");
var id = window.GetID(label);
// style apply
var style = GUIStyle.Basic;
style.PushStretchFactor(false, 1); //+1, always expand width
style.PushPadding((1, 1, 1, 5)); //+4
do
{
// rect
var lineHeight = style.GetLineHeight();
Rect rect = window.GetRect(id, new Size(0, lineHeight));
if (rect == Layout.StackLayout.DummyRect) //TODO how shold dummy rect be correctly handled in every control?
{
break;
}
// interact
bool hovered, held;
bool pressed = GUIBehavior.ButtonBehavior(rect, id, out hovered, out held, ButtonFlags.PressedOnClick);
if (pressed)
{
open = !open;
}
// render
{
DrawList d = window.DrawList;
var state = (hovered && held) ? GUIState.Active : hovered ? GUIState.Hover : GUIState.Normal;
if (hovered || held)
{
style.PushBgColor(new Color(0.40f, 0.40f, 0.90f, 0.45f), GUIState.Normal); //+1 TODO It's stupid to sprcifiy style like this. There should be a better way to do this.
style.PushBgColor(new Color(0.45f, 0.45f, 0.90f, 0.80f), GUIState.Hover); //+1
style.PushBgColor(new Color(0.53f, 0.53f, 0.87f, 0.80f), GUIState.Active); //+1
var color = style.Get <Color>(GUIStyleName.BackgroundColor, state);
d.RenderFrame(rect.Min, rect.Max, color, false, 0);
style.PopStyle(3); //-3
}
d.RenderCollapseTriangle(rect.Min + new Vector(0 + style.PaddingTop, lineHeight * 0.15f), open, lineHeight, Color.White, 0.7);
rect.X += rect.Height;
var delta = rect.Width - rect.Height;
if (delta > 0)
{
rect.Width = delta;
}
d.DrawText(rect, label, style, state);
}
}while(false);
// style restore
style.PopStyle(); //-1
style.PopStyle(4); //-4
BeginHorizontal("#Content");
Space("Space", 20);
BeginVertical("#Items");
return(open);
}