Mercurial > hg > ucis.core
annotate FBGUI/FBGUI.cs @ 79:4e4c600031e2
Merge FBGUI updates
| author | Ivo Smits <Ivo@UCIS.nl> |
|---|---|
| date | Sun, 16 Feb 2014 15:02:36 +0100 |
| parents | 1a10ca0f662e 8f31b164ce7e |
| children | 3352f89cf6f5 0d389692be32 |
| rev | line source |
|---|---|
| 23 | 1 ???using System; |
| 2 using System.Collections.Generic; | |
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3 using System.Diagnostics; |
| 23 | 4 using System.Drawing; |
| 5 using System.Drawing.Drawing2D; | |
| 6 using System.Drawing.Imaging; | |
| 7 using System.IO; | |
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8 using System.Reflection; |
| 23 | 9 using System.Threading; |
| 10 using System.Windows.Forms; | |
| 11 using UCIS.VNCServer; | |
| 12 using ThreadingTimer = System.Threading.Timer; | |
| 13 | |
| 14 namespace UCIS.FBGUI { | |
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15 public abstract class FBGEvent { |
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16 } |
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17 public enum FBGPointingEventType { |
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18 Move, |
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19 ButtonDown, |
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20 ButtonUp |
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21 } |
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22 public class FBGPointingEvent : FBGEvent { |
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23 private Point position; |
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24 public Point Position { get { return position; } set { position = value; } } |
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25 public int X { get { return position.X; } set { position.X = value; } } |
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26 public int Y { get { return position.Y; } set { position.Y = value; } } |
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27 public MouseButtons Buttons { get; private set; } |
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28 public FBGPointingEventType Type { get; private set; } |
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29 public FBGCursor Cursor { get; set; } |
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30 public FBGPointingEvent(Point position, MouseButtons buttons, FBGPointingEventType type) { |
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31 this.Position = position; |
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32 this.Buttons = buttons; |
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33 this.Type = type; |
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34 } |
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35 } |
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36 public class FBGKeyboardEvent : FBGEvent { |
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37 public Keys KeyData { get; private set; } |
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38 public Keys KeyCode { get { return KeyData & Keys.KeyCode; } } |
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39 public Keys Modifiers { get { return KeyData & Keys.Modifiers; } } |
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40 public Boolean Shift { get { return (KeyData & Keys.Shift) != 0; } } |
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41 public Boolean Control { get { return (KeyData & Keys.Control) != 0; } } |
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42 public Boolean Alt { get { return (KeyData & Keys.Alt) != 0; } } |
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43 public Boolean IsDown { get; private set; } |
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44 public Char KeyChar { get; private set; } |
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45 public FBGKeyboardEvent(Keys keyData, Char keyChar, Boolean isDown) { |
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46 this.KeyData = keyData; |
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47 this.KeyChar = keyChar; |
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48 this.IsDown = isDown; |
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49 } |
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50 } |
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51 public class FBGPaintEvent : FBGEvent { |
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52 public Graphics Canvas { get; private set; } |
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53 public FBGPaintEvent(Graphics canvas) { |
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54 this.Canvas = canvas; |
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55 } |
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56 } |
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57 public class FBGKeyboardCaptureEvent : FBGEvent { |
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58 public Boolean Capture { get; set; } |
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59 public FBGKeyboardCaptureEvent(Boolean capture) { |
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60 this.Capture = capture; |
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61 } |
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62 } |
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63 public abstract class FBGMessage { |
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64 public IFBGControl Source { get; private set; } |
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65 protected FBGMessage(IFBGControl source) { |
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66 this.Source = source; |
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67 } |
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68 } |
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69 public class FBGInvalidateMessage : FBGMessage { |
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70 public Rectangle Area { get; set; } |
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71 public FBGInvalidateMessage(IFBGControl source, Rectangle area) : base(source) { |
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72 this.Area = area; |
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73 } |
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74 } |
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75 public class FBGPointingCaptureMessage : FBGMessage { |
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76 public Boolean Capture { get; set; } |
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77 public FBGPointingCaptureMessage(IFBGControl source, Boolean capture) : base(source) { |
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78 this.Capture = capture; |
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79 } |
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80 } |
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81 public class FBGKeyboardCaptureMessage : FBGMessage { |
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82 public Boolean Capture { get; set; } |
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83 public FBGKeyboardCaptureMessage(IFBGControl source, Boolean capture) : base(source) { |
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84 this.Capture = capture; |
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85 } |
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86 } |
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87 |
| 23 | 88 public interface IFBGControl { |
| 89 Rectangle Bounds { get; set; } | |
| 90 Boolean Visible { get; set; } | |
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91 void HandleEvent(FBGEvent e); |
| 23 | 92 void Orphaned(); |
| 93 } | |
| 94 public interface IFBGContainerControl { | |
| 95 void AddControl(IFBGControl control); | |
| 96 void RemoveControl(IFBGControl control); | |
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97 void HandleMessage(IFBGControl sender, FBGMessage e); |
| 78 | 98 Size ClientSize { get; } |
| 23 | 99 } |
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100 |
| 23 | 101 public class FBGControl : IFBGControl { |
| 102 private Rectangle bounds = new Rectangle(0, 0, 100, 100); | |
| 103 private Color backColor = Color.Transparent; | |
| 104 private Boolean visible = true; | |
| 105 public virtual IFBGContainerControl Parent { get; private set; } | |
| 106 public event MouseEventHandler OnMouseDown; | |
| 107 public event MouseEventHandler OnMouseMove; | |
| 108 public event MouseEventHandler OnMouseUp; | |
| 109 public event PaintEventHandler OnPaint; | |
| 110 public event EventHandler OnResize; | |
| 111 public event EventHandler OnMove; | |
| 112 public FBGControl(IFBGContainerControl parent) { | |
| 113 this.Parent = parent; | |
| 114 if (Parent != null) Parent.AddControl(this); | |
| 115 } | |
| 116 public virtual Rectangle Bounds { | |
| 117 get { return bounds; } | |
| 118 set { | |
| 119 if (bounds == value) return; | |
| 120 Rectangle old = bounds; | |
| 121 bounds = value; | |
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122 Invalidate(Rectangle.Union(new Rectangle(Point.Empty, value.Size), new Rectangle(old.X - value.X, old.Y - value.Y, old.Width, old.Height))); |
| 23 | 123 if (value.Location != old.Location) RaiseEvent(OnMove); |
| 124 if (value.Size != old.Size) RaiseEvent(OnResize); | |
| 125 } | |
| 126 } | |
| 127 public virtual Boolean Visible { | |
| 128 get { return visible; } | |
| 129 set { | |
| 130 visible = value; | |
| 131 Invalidate(); | |
| 132 } | |
| 133 } | |
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134 public virtual FBGCursor Cursor { get; set; } |
| 23 | 135 public Size Size { get { return Bounds.Size; } set { Rectangle r = Bounds; r.Size = value; Bounds = r; } } |
| 136 public Point Location { get { return Bounds.Location; } set { Rectangle r = Bounds; r.Location = value; Bounds = r; } } | |
| 137 public int Left { get { return Bounds.Left; } set { Rectangle r = Bounds; r.X = value; Bounds = r; } } | |
| 138 public int Top { get { return Bounds.Top; } set { Rectangle r = Bounds; r.Y = value; Bounds = r; } } | |
| 139 public int Width { get { return Bounds.Width; } set { Rectangle r = Bounds; r.Width = value; Bounds = r; } } | |
| 140 public int Height { get { return Bounds.Height; } set { Rectangle r = Bounds; r.Height = value; Bounds = r; } } | |
| 141 public virtual Color BackColor { get { return backColor; } set { if (backColor == value) return; backColor = value; Invalidate(); } } | |
| 142 public virtual void Invalidate() { | |
| 143 Invalidate(new Rectangle(Point.Empty, Bounds.Size)); | |
| 144 } | |
| 145 public virtual void Invalidate(Rectangle rect) { | |
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146 Parent.HandleMessage(this, new FBGInvalidateMessage(this, rect)); |
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147 } |
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148 void IFBGControl.HandleEvent(FBGEvent e) { |
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149 HandleEvent(e); |
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150 } |
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151 protected virtual void HandleEvent(FBGEvent e) { |
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152 if (e is FBGPaintEvent) HandlePaintEvent((FBGPaintEvent)e); |
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153 else if (e is FBGPointingEvent) HandlePointingEvent((FBGPointingEvent)e); |
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154 else if (e is FBGKeyboardEvent) HandleKeyboardEvent((FBGKeyboardEvent)e); |
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155 else if (e is FBGKeyboardCaptureEvent) HandleKeyboardCaptureEvent((FBGKeyboardCaptureEvent)e); |
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156 } |
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157 protected virtual void HandlePaintEvent(FBGPaintEvent e) { |
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158 Paint(e.Canvas); |
| 23 | 159 } |
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160 protected virtual void HandlePointingEvent(FBGPointingEvent e) { |
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161 if (Cursor != null) e.Cursor = Cursor; |
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162 switch (e.Type) { |
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163 case FBGPointingEventType.Move: MouseMove(e.Position, e.Buttons); break; |
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164 case FBGPointingEventType.ButtonDown: MouseDown(e.Position, e.Buttons); break; |
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165 case FBGPointingEventType.ButtonUp: MouseUp(e.Position, e.Buttons); break; |
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166 } |
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167 } |
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168 protected virtual void HandleKeyboardEvent(FBGKeyboardEvent e) { |
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169 if (e.IsDown) { |
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170 if (e.KeyData != Keys.None) KeyDown(e.KeyData); |
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171 if (e.KeyChar != Char.MinValue) KeyPress(e.KeyChar); |
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172 } else { |
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173 if (e.KeyData != Keys.None) KeyUp(e.KeyData); |
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174 } |
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175 } |
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176 protected virtual void HandleKeyboardCaptureEvent(FBGKeyboardCaptureEvent e) { |
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177 if (!e.Capture) LostKeyboardCapture(); |
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178 } |
| 23 | 179 void IFBGControl.Orphaned() { Orphaned(); } |
| 180 protected virtual void Paint(Graphics g) { | |
| 181 if (!visible) return; | |
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182 if (backColor.A == 0xff) g.Clear(backColor); |
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183 else if (backColor.A != 0) using (Brush brush = new SolidBrush(backColor)) g.FillRectangle(brush, g.ClipBounds); |
| 23 | 184 RaiseEvent(OnPaint, new PaintEventArgs(g, Rectangle.Round(g.ClipBounds))); |
| 185 } | |
| 186 protected virtual void MouseMove(Point position, MouseButtons buttons) { RaiseEvent(OnMouseMove, new MouseEventArgs(buttons, 0, position.X, position.Y, 0)); } | |
| 187 protected virtual void MouseDown(Point position, MouseButtons buttons) { RaiseEvent(OnMouseDown, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } | |
| 188 protected virtual void MouseUp(Point position, MouseButtons buttons) { RaiseEvent(OnMouseUp, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } | |
| 189 protected virtual Boolean CaptureMouse(Boolean capture) { | |
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190 FBGPointingCaptureMessage m = new FBGPointingCaptureMessage(this, capture); |
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191 Parent.HandleMessage(this, m); |
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192 return capture == m.Capture; |
| 23 | 193 } |
| 194 protected virtual void KeyDown(Keys key) { } | |
| 195 protected virtual void KeyPress(Char keyChar) { } | |
| 196 protected virtual void KeyUp(Keys key) { } | |
| 197 protected virtual Boolean CaptureKeyboard(Boolean capture) { | |
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198 FBGKeyboardCaptureMessage m = new FBGKeyboardCaptureMessage(this, capture); |
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199 Parent.HandleMessage(this, m); |
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200 return capture == m.Capture; |
| 23 | 201 } |
| 202 protected virtual void LostKeyboardCapture() { } | |
| 203 protected virtual void Orphaned() { | |
| 204 //IDisposable disp = this as IDisposable; | |
| 205 //if (!ReferenceEquals(disp, null)) disp.Dispose(); | |
| 206 } | |
| 207 protected void RaiseEvent(KeyEventHandler eh, KeyEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 208 protected void RaiseEvent(KeyPressEventHandler eh, KeyPressEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 209 protected void RaiseEvent(MouseEventHandler eh, MouseEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 210 protected void RaiseEvent(PaintEventHandler eh, PaintEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 211 protected void RaiseEvent<T>(EventHandler<T> eh, T ea) where T : EventArgs { if (eh != null) eh(this, ea); } | |
| 212 protected void RaiseEvent(EventHandler eh, EventArgs ea) { if (eh != null) eh(this, ea); } | |
| 213 protected void RaiseEvent(EventHandler eh) { if (eh != null) eh(this, new EventArgs()); } | |
| 214 } | |
| 215 public class FBGContainerControl : FBGControl, IFBGContainerControl { | |
| 216 protected List<IFBGControl> controls = new List<IFBGControl>(); | |
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217 protected IFBGControl mouseCaptureControl = null; |
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218 protected IFBGControl keyboardCaptureControl = null; |
| 78 | 219 public virtual Rectangle ClientRectangle { get { return Bounds; } } |
| 220 public virtual Size ClientSize { get { return ClientRectangle.Size; } set { Bounds = new Rectangle(Bounds.Location, Bounds.Size - ClientRectangle.Size + value); } } | |
| 23 | 221 public FBGContainerControl(IFBGContainerControl parent) : base(parent) { } |
| 222 void IFBGContainerControl.AddControl(IFBGControl control) { AddControl(control); } | |
| 223 protected virtual void AddControl(IFBGControl control) { | |
| 224 controls.Add(control); | |
| 225 if (control.Visible) Invalidate(control); | |
| 226 } | |
| 227 public virtual void RemoveControl(IFBGControl control) { | |
| 228 if (controls.Remove(control)) { | |
| 229 if (control.Visible) Invalidate(control); | |
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230 HandleMessage(control, new FBGPointingCaptureMessage(control, false)); |
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231 HandleMessage(control, new FBGKeyboardCaptureMessage(control, false)); |
| 23 | 232 control.Orphaned(); |
| 233 } | |
| 234 } | |
| 235 public virtual Point PointToChild(IFBGControl child, Point point) { | |
| 236 return point - (Size)child.Bounds.Location - (Size)ClientRectangle.Location; | |
| 237 } | |
| 238 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 239 return point + (Size)child.Bounds.Location + (Size)ClientRectangle.Location; | |
| 240 } | |
| 241 public virtual void BringControlToFront(IFBGControl control) { | |
| 242 if (controls.Count == 0) return; | |
| 243 if (ReferenceEquals(controls[controls.Count - 1], control)) return; | |
| 244 if (!controls.Remove(control)) return; | |
| 245 controls.Add(control); | |
| 246 if (control.Visible) Invalidate(control); | |
| 247 } | |
| 248 public virtual void Invalidate(IFBGControl control) { | |
| 249 Invalidate(new Rectangle(PointFromChild(control, Point.Empty), control.Bounds.Size)); | |
| 250 } | |
| 251 public virtual void Invalidate(IFBGControl control, Rectangle rect) { | |
| 252 Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); | |
| 253 } | |
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254 protected override void HandlePaintEvent(FBGPaintEvent e) { |
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255 base.HandlePaintEvent(e); |
| 23 | 256 GraphicsState state2 = null; |
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257 Graphics g = e.Canvas; |
| 78 | 258 Rectangle childarea = ClientRectangle; |
| 259 if (childarea.X != 0 || childarea.Y != 0 || childarea.Width != Bounds.Width || childarea.Height != Bounds.Height) { | |
| 23 | 260 state2 = g.Save(); |
| 261 g.TranslateTransform(childarea.X, childarea.Y, MatrixOrder.Append); | |
| 262 g.IntersectClip(new Rectangle(Point.Empty, childarea.Size)); | |
| 263 } | |
| 264 foreach (IFBGControl control in controls) { | |
| 265 if (!control.Visible) continue; | |
| 266 if (control.Bounds.Width <= 0 || control.Bounds.Height <= 0) continue; | |
| 267 if (!g.ClipBounds.IntersectsWith((RectangleF)control.Bounds)) continue; | |
| 268 GraphicsState state = g.Save(); | |
| 269 g.TranslateTransform(control.Bounds.X, control.Bounds.Y, MatrixOrder.Append); | |
| 270 g.IntersectClip(new Rectangle(Point.Empty, control.Bounds.Size)); | |
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271 control.HandleEvent(e); |
| 23 | 272 g.Restore(state); |
| 273 } | |
| 274 if (state2 != null) g.Restore(state2); | |
| 275 } | |
| 276 public IFBGControl FindControlAtPosition(Point p) { | |
| 78 | 277 Rectangle childarea = ClientRectangle; |
| 278 if (!childarea.Contains(p)) return null; | |
| 23 | 279 p.Offset(-childarea.X, -childarea.Y); |
| 280 return ((List<IFBGControl>)controls).FindLast(delegate(IFBGControl control) { return control.Visible && control.Bounds.Contains(p); }); | |
| 281 } | |
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282 protected override void HandlePointingEvent(FBGPointingEvent e) { |
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283 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(e.Position); |
| 23 | 284 if (control == null) { |
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285 base.HandlePointingEvent(e); |
| 23 | 286 } else { |
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287 if (Cursor != null) e.Cursor = Cursor; |
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288 e.Position = PointToChild(control, e.Position); |
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289 control.HandleEvent(e); |
| 23 | 290 } |
| 291 } | |
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292 void IFBGContainerControl.HandleMessage(IFBGControl sender, FBGMessage e) { |
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293 HandleMessage(sender, e); |
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294 } |
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295 protected virtual void HandleMessage(IFBGControl sender, FBGMessage e) { |
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296 if (e is FBGPointingCaptureMessage) HandlePointingCaptureMessage(sender, (FBGPointingCaptureMessage)e); |
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297 else if (e is FBGKeyboardCaptureMessage) HandleKeyboardCaptureMessage(sender, (FBGKeyboardCaptureMessage)e); |
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298 else if (e is FBGInvalidateMessage) HandleInvalidateMessage(sender, (FBGInvalidateMessage)e); |
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299 } |
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300 protected virtual void HandleInvalidateMessage(IFBGControl sender, FBGInvalidateMessage e) { |
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301 e.Area = new Rectangle(PointFromChild(sender, e.Area.Location), e.Area.Size); |
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302 Parent.HandleMessage(this, e); |
| 23 | 303 } |
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304 protected virtual void HandlePointingCaptureMessage(IFBGControl sender, FBGPointingCaptureMessage e) { |
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305 if (e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; |
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306 else if (!e.Capture && !ReferenceEquals(mouseCaptureControl, sender)) e.Capture = false; |
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307 else { |
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308 Parent.HandleMessage(this, e); |
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309 mouseCaptureControl = e.Capture ? sender : null; |
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310 } |
| 23 | 311 } |
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312 protected override void HandleKeyboardEvent(FBGKeyboardEvent e) { |
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313 if (ReferenceEquals(keyboardCaptureControl, null)) base.HandleKeyboardEvent(e); |
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314 else keyboardCaptureControl.HandleEvent(e); |
| 23 | 315 } |
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316 protected virtual void HandleKeyboardCaptureMessage(IFBGControl sender, FBGKeyboardCaptureMessage e) { |
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317 if (!e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; |
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318 else { |
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319 Parent.HandleMessage(this, e); |
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320 IFBGControl prev = keyboardCaptureControl; |
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321 keyboardCaptureControl = e.Capture ? sender : null; |
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322 if (prev != null && prev != sender) prev.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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323 } |
| 23 | 324 } |
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325 protected override void HandleKeyboardCaptureEvent(FBGKeyboardCaptureEvent e) { |
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326 if (keyboardCaptureControl != null) keyboardCaptureControl.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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327 base.HandleKeyboardCaptureEvent(e); |
| 23 | 328 } |
| 329 protected override void Orphaned() { | |
| 330 base.Orphaned(); | |
| 331 IFBGControl[] c = controls.ToArray(); | |
| 332 controls.Clear(); | |
| 333 foreach (IFBGControl control in c) control.Orphaned(); | |
| 334 mouseCaptureControl = null; | |
| 335 keyboardCaptureControl = null; | |
| 336 } | |
| 337 } | |
| 338 public class FBGDockContainer : FBGContainerControl { | |
| 339 private Dictionary<IFBGControl, DockStyle> dockStyles = new Dictionary<IFBGControl, DockStyle>(); | |
| 340 private Dictionary<IFBGControl, AnchorStyles> anchorStyles = new Dictionary<IFBGControl, AnchorStyles>(); | |
| 341 private Rectangle oldBounds; | |
| 342 public FBGDockContainer(IFBGContainerControl parent) | |
| 343 : base(parent) { | |
| 344 oldBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 345 } | |
| 346 protected override void AddControl(IFBGControl control) { | |
| 347 base.AddControl(control); | |
| 348 } | |
| 349 public override void BringControlToFront(IFBGControl control) { | |
| 350 base.BringControlToFront(control); | |
| 351 if (dockStyles.ContainsKey(control)) DoLayout(); | |
| 352 } | |
| 353 public override void RemoveControl(IFBGControl control) { | |
| 354 base.RemoveControl(control); | |
| 355 if (dockStyles.Remove(control)) DoLayout(); | |
| 356 } | |
| 357 public override Rectangle Bounds { | |
| 358 get { return base.Bounds; } | |
| 359 set { | |
| 360 base.Bounds = value; | |
| 361 DoLayout(); | |
| 362 Rectangle newBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 363 foreach (KeyValuePair<IFBGControl, AnchorStyles> c in anchorStyles) { | |
| 364 Rectangle b = c.Key.Bounds; | |
| 365 if ((c.Value & AnchorStyles.Right) != 0) { | |
| 366 if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.Width - oldBounds.Width; | |
| 367 else b.Width += newBounds.Width - oldBounds.Width; | |
| 368 } else if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.X - oldBounds.X; | |
| 369 if ((c.Value & AnchorStyles.Bottom) != 0) { | |
| 370 if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Height - oldBounds.Height; | |
| 371 else b.Height += newBounds.Height - oldBounds.Height; | |
| 372 } else if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Y - oldBounds.Y; | |
| 373 c.Key.Bounds = b; | |
| 374 } | |
| 375 oldBounds = newBounds; | |
| 376 } | |
| 377 } | |
| 378 public DockStyle GetDockStyle(IFBGControl control) { | |
| 379 DockStyle ds; | |
| 380 if (!dockStyles.TryGetValue(control, out ds)) ds = DockStyle.None; | |
| 381 return ds; | |
| 382 } | |
| 383 public void SetDockStyle(IFBGControl control, DockStyle style) { | |
| 384 if (style == DockStyle.None) { | |
| 385 if (dockStyles.Remove(control)) DoLayout(); | |
| 386 } else if (controls.Contains(control)) { | |
| 387 anchorStyles.Remove(control); | |
| 388 dockStyles[control] = style; | |
| 389 DoLayout(); | |
| 390 } | |
| 391 } | |
| 392 public AnchorStyles GetAnchorStyle(IFBGControl control) { | |
| 393 AnchorStyles ds; | |
| 394 if (!anchorStyles.TryGetValue(control, out ds)) ds = AnchorStyles.Left | AnchorStyles.Top; | |
| 395 return ds; | |
| 396 } | |
| 397 public void SetAnchorStyle(IFBGControl control, AnchorStyles style) { | |
| 398 if (style == (AnchorStyles.Left | AnchorStyles.Top)) { | |
| 399 anchorStyles.Remove(control); | |
| 400 } else if (controls.Contains(control)) { | |
| 401 dockStyles.Remove(control); | |
| 402 anchorStyles[control] = style; | |
| 403 } | |
| 404 } | |
| 405 public void SetAnchor(IFBGControl control, AnchorStyles style, int value) { | |
| 406 if (controls.Contains(control)) { | |
| 407 AnchorStyles oldstyle; | |
| 408 if (!anchorStyles.TryGetValue(control, out oldstyle)) oldstyle = AnchorStyles.Left | AnchorStyles.Top; | |
| 409 Rectangle b = control.Bounds; | |
| 410 switch (style) { | |
| 411 case AnchorStyles.None: throw new ArgumentException("style", "Anchor style can not be None"); | |
| 412 case AnchorStyles.Left: b.X = value; break; | |
| 413 case AnchorStyles.Top: b.Y = value; break; | |
| 414 case AnchorStyles.Right: | |
| 415 if ((oldstyle & AnchorStyles.Left) == 0) b.X = ClientRectangle.Width - b.Width - value; | |
| 416 else b.Width = ClientRectangle.Width - b.X - value; | |
| 417 break; | |
| 418 case AnchorStyles.Bottom: | |
| 419 if ((oldstyle & AnchorStyles.Top) == 0) b.Y = ClientRectangle.Height - b.Height - value; | |
| 420 else b.Height = ClientRectangle.Height - b.Y - value; | |
| 421 break; | |
| 422 default: throw new ArgumentOutOfRangeException("style", "The value vor the style argument is invalid"); | |
| 423 } | |
| 424 control.Bounds = b; | |
| 425 dockStyles.Remove(control); | |
| 426 anchorStyles[control] = oldstyle | style; | |
| 427 } | |
| 428 } | |
| 429 private void DoLayout() { | |
| 430 Rectangle a = new Rectangle(Point.Empty, ClientRectangle.IsEmpty ? Bounds.Size : ClientRectangle.Size); | |
| 431 foreach (KeyValuePair<IFBGControl, DockStyle> c in dockStyles) { | |
| 432 Rectangle b = c.Key.Bounds; | |
| 433 if (c.Value == DockStyle.Left) { | |
| 434 b.Location = a.Location; | |
| 435 b.Height = a.Height; | |
| 436 a.X += b.Width; | |
| 437 a.Width -= b.Width; | |
| 438 } else if (c.Value == DockStyle.Top) { | |
| 439 b.Location = a.Location; | |
| 440 b.Width = a.Width; | |
| 441 a.Y += b.Height; | |
| 442 a.Height -= b.Height; | |
| 443 } else if (c.Value == DockStyle.Right) { | |
| 444 b.X = a.X + a.Width - b.Width; | |
| 445 b.Y = a.Y; | |
| 446 b.Height = a.Height; | |
| 447 a.Width -= b.Width; | |
| 448 } else if (c.Value == DockStyle.Bottom) { | |
| 449 b.X = a.X; | |
| 450 b.Y = a.Y + a.Height - b.Height; | |
| 451 b.Width = a.Width; | |
| 452 a.Height -= b.Height; | |
| 453 } else if (c.Value == DockStyle.Fill) { | |
| 454 b = a; | |
| 455 } | |
| 456 c.Key.Bounds = b; | |
| 457 if (a.Width < 0) a.Width = 0; | |
| 458 if (a.Height < 0) a.Height = 0; | |
| 459 } | |
| 460 } | |
| 461 } | |
| 462 public class FBGGroupBox : FBGDockContainer { | |
| 463 private String text = String.Empty; | |
| 78 | 464 public override Rectangle ClientRectangle { get { return new Rectangle(1, 15, Bounds.Width - 2, Bounds.Height - 17); } } |
| 465 public FBGGroupBox(IFBGContainerControl parent) : base(parent) { } | |
| 23 | 466 public String Text { get { return text; } set { if (text == value) return; text = value; Invalidate(new Rectangle(0, 0, Bounds.Width, 15)); } } |
| 467 protected override void Paint(Graphics g) { | |
| 468 base.Paint(g); | |
| 469 SizeF ss = g.MeasureString(Text, SystemFonts.DefaultFont, new Size(Bounds.Width - 10 - 9, 15)); | |
| 78 | 470 g.DrawLines(Pens.Gray, new PointF[] { new PointF(8 + ss.Width + 4, 6), new Point(Bounds.Width - 1, 6), new Point(Bounds.Width - 1, Bounds.Height - 1), new Point(0, Bounds.Height - 1), new Point(0, 6), new Point(8, 6) }); |
| 23 | 471 g.DrawString(Text, SystemFonts.DefaultFont, Brushes.DarkBlue, new Rectangle(9, 0, Bounds.Width - 10 - 9, 15)); |
| 472 } | |
| 473 } | |
| 78 | 474 [System.ComponentModel.DesignerCategory("")] |
| 23 | 475 public class WinFormsFBGHost : Control, IFBGContainerControl { |
| 476 private IFBGControl childControl = null; | |
| 477 private IFBGControl mouseCaptureControl = null; | |
| 478 private IFBGControl keyboardCaptureControl = null; | |
| 479 public IFBGControl ChildControl { get { return childControl; } } | |
| 480 | |
| 481 public WinFormsFBGHost() { | |
| 482 DoubleBuffered = true; | |
| 483 } | |
| 484 | |
| 485 public virtual Point PointToChild(IFBGControl child, Point point) { | |
| 486 return point - (Size)child.Bounds.Location; | |
| 487 } | |
| 488 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 489 return point + (Size)child.Bounds.Location; | |
| 490 } | |
| 491 | |
| 492 void IFBGContainerControl.AddControl(IFBGControl control) { | |
| 493 if (!ReferenceEquals(childControl, null)) throw new InvalidOperationException("This container can have only one child control"); | |
| 494 childControl = control; | |
| 495 control.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 496 Invalidate(control.Bounds); | |
| 497 } | |
| 498 void IFBGContainerControl.RemoveControl(IFBGControl control) { | |
| 499 if (!ReferenceEquals(childControl, control)) return; | |
| 500 childControl = null; | |
| 501 Invalidate(control.Bounds); | |
| 502 if (mouseCaptureControl == control) mouseCaptureControl = null; | |
| 503 if (keyboardCaptureControl == control) control = null; | |
| 504 control.Orphaned(); | |
| 505 } | |
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506 void IFBGContainerControl.HandleMessage(IFBGControl sender, FBGMessage e) { |
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507 if (e is FBGInvalidateMessage) { |
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508 FBGInvalidateMessage p = (FBGInvalidateMessage)e; |
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509 Invalidate(new Rectangle(PointFromChild(sender, p.Area.Location), p.Area.Size)); |
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510 } else if (e is FBGPointingCaptureMessage) { |
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511 FBGPointingCaptureMessage p = (FBGPointingCaptureMessage)e; |
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512 if (p.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) p.Capture = false; |
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513 else if (!p.Capture && !ReferenceEquals(mouseCaptureControl, sender)) p.Capture = false; |
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514 else mouseCaptureControl = p.Capture ? sender : null; |
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515 } else if (e is FBGKeyboardCaptureMessage) { |
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516 FBGKeyboardCaptureMessage p = (FBGKeyboardCaptureMessage)e; |
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517 if (!p.Capture && !ReferenceEquals(keyboardCaptureControl, sender)) p.Capture = false; |
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518 else keyboardCaptureControl = p.Capture ? sender : null; |
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519 } |
| 23 | 520 } |
| 521 | |
| 522 protected override void OnPaint(PaintEventArgs e) { | |
| 523 base.OnPaint(e); | |
| 524 Graphics g = e.Graphics; | |
| 525 GraphicsState state = g.Save(); | |
| 526 g.SetClip(e.ClipRectangle); | |
| 527 if (ReferenceEquals(childControl, null)) return; | |
| 528 if (childControl.Bounds.Width <= 0 || childControl.Bounds.Height <= 0) return; | |
| 529 if (!g.ClipBounds.IntersectsWith((RectangleF)childControl.Bounds)) return; | |
| 530 g.TranslateTransform(childControl.Bounds.X, childControl.Bounds.Y, MatrixOrder.Append); | |
| 531 g.IntersectClip(new Rectangle(Point.Empty, childControl.Bounds.Size)); | |
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532 childControl.HandleEvent(new FBGPaintEvent(g)); |
| 23 | 533 g.Restore(state); |
| 534 } | |
| 535 protected override void OnResize(EventArgs e) { | |
| 536 if (!ReferenceEquals(childControl, null)) childControl.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 537 base.OnResize(e); | |
| 538 } | |
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539 void DispatchMouseEvent(MouseEventArgs e, FBGPointingEventType type) { |
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540 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; |
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541 if (control != null) control.HandleEvent(new FBGPointingEvent(e.Location, e.Button, type)); |
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542 } |
| 23 | 543 protected override void OnMouseDown(MouseEventArgs e) { |
| 544 base.OnMouseDown(e); | |
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545 DispatchMouseEvent(e, FBGPointingEventType.ButtonDown); |
| 23 | 546 } |
| 547 protected override void OnMouseUp(MouseEventArgs e) { | |
| 548 base.OnMouseUp(e); | |
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549 DispatchMouseEvent(e, FBGPointingEventType.ButtonUp); |
| 23 | 550 } |
| 551 protected override void OnMouseMove(MouseEventArgs e) { | |
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552 DispatchMouseEvent(e, FBGPointingEventType.Move); |
| 23 | 553 } |
| 554 protected override bool IsInputChar(char charCode) { | |
| 555 return true; | |
| 556 } | |
| 557 protected override bool IsInputKey(Keys keyData) { | |
| 558 return true; | |
| 559 } | |
| 560 protected override void OnKeyDown(KeyEventArgs e) { | |
| 561 //base.OnKeyDown(e); | |
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562 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(e.KeyData, Char.MinValue, true)); |
| 23 | 563 } |
| 564 protected override void OnKeyPress(KeyPressEventArgs e) { | |
| 565 //base.OnKeyPress(e); | |
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566 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(Keys.None, e.KeyChar, true)); |
| 23 | 567 } |
| 568 protected override void OnKeyUp(KeyEventArgs e) { | |
| 569 //base.OnKeyUp(e); | |
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570 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(e.KeyData, Char.MinValue, false)); |
| 23 | 571 } |
| 572 protected override void OnHandleDestroyed(EventArgs e) { | |
| 573 if (!ReferenceEquals(childControl, null)) childControl.Orphaned(); | |
| 574 base.OnHandleDestroyed(e); | |
| 575 } | |
| 576 } | |
| 577 public class FBGCursor { | |
| 578 public Image Image { get; private set; } | |
| 579 public Point Hotspot { get; private set; } | |
| 580 public Size Size { get; private set; } | |
| 581 public FBGCursor(Image image, Point hotspot) { | |
| 582 this.Image = image; | |
| 583 this.Hotspot = hotspot; | |
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584 this.Size = image == null ? Size.Empty : image.Size; |
| 23 | 585 } |
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586 public Rectangle Area { get { return new Rectangle(-Hotspot.X, -Hotspot.Y, Size.Width, Size.Height); } } |
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587 public FBGCursor RotateFlip(RotateFlipType type) { |
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588 if (Image == null) return this; |
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589 Image img = new Bitmap(Image); |
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590 img.RotateFlip(type); |
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591 Point hs = Hotspot; |
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592 switch (type) { |
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593 case RotateFlipType.RotateNoneFlipNone: break; |
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594 case RotateFlipType.Rotate90FlipNone: hs = new Point(img.Width - hs.Y, hs.X); break; |
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595 case RotateFlipType.Rotate180FlipNone: hs = new Point(img.Width - hs.X, img.Height - hs.Y); break; |
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596 case RotateFlipType.Rotate270FlipNone: hs = new Point(hs.Y, img.Height - hs.X); break; |
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597 case RotateFlipType.RotateNoneFlipX: hs.X = img.Width - hs.X; break; |
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598 case RotateFlipType.Rotate90FlipX: hs = new Point(hs.Y, hs.X); break; |
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599 case RotateFlipType.RotateNoneFlipY: hs.Y = img.Height - hs.Y; break; |
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600 case RotateFlipType.Rotate90FlipY: hs = new Point(img.Width - hs.Y, img.Height - hs.X); break; |
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601 } |
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602 return new FBGCursor(img, hs); |
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603 } |
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604 public static FBGCursor FromBase64Image(String data, Point hotspot) { |
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605 return new FBGCursor(Image.FromStream(new MemoryStream(Convert.FromBase64String(data))), hotspot); |
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606 } |
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607 private static FBGCursor LoadFromResource(String name, int hotX, int hotY) { |
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608 using (Stream s = Assembly.GetExecutingAssembly().GetManifestResourceStream("UCIS.FBGUI." + name + ".png")) { |
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609 return new FBGCursor(Image.FromStream(s), new Point(hotX, hotY)); |
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610 } |
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611 } |
| 23 | 612 |
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613 public static readonly FBGCursor None = new FBGCursor(null, Point.Empty); |
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614 public static readonly FBGCursor Arrow = LoadFromResource("cursor_arrow", 0, 0); |
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615 public static readonly FBGCursor Move = LoadFromResource("cursor_move", 8, 8); |
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616 public static readonly FBGCursor SizeLeft = LoadFromResource("cursor_left", 1, 10); |
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617 public static readonly FBGCursor SizeRight = SizeLeft.RotateFlip(RotateFlipType.RotateNoneFlipX); |
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618 public static readonly FBGCursor SizeTop = SizeLeft.RotateFlip(RotateFlipType.Rotate90FlipNone); |
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619 public static readonly FBGCursor SizeBottom = SizeLeft.RotateFlip(RotateFlipType.Rotate90FlipY); |
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620 public static readonly FBGCursor SizeTopLeft = LoadFromResource("cursor_topleft", 1, 1); |
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621 public static readonly FBGCursor SizeTopRight = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipX); |
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622 public static readonly FBGCursor SizeBottomLeft = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipY); |
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623 public static readonly FBGCursor SizeBottomRight = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipXY); |
| 40 | 624 public static readonly FBGCursor Hand = LoadFromResource("cursor_hand", 5, 0); |
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625 public static FBGCursor ArrowCursor { get { return Arrow; } } |
| 23 | 626 } |
| 627 public class FBGRenderer : FBGContainerControl, IDisposable { | |
| 628 private FBGCursor cursor = null; | |
| 629 private Point cursorposition = Point.Empty; | |
| 630 public IFramebuffer Framebuffer { get; private set; } | |
|
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631 private Bitmap Frontbuffer = null; |
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632 protected Object RenderLock = new object(); |
| 23 | 633 public event EventHandler<InvalidateEventArgs> Painted; |
|
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634 protected Size size = Size.Empty; |
| 23 | 635 private ThreadingTimer PaintTimer = null; |
| 636 private Boolean PaintScheduled = false; | |
| 637 private int PaintDelay = 0; | |
| 638 public Boolean SuspendDrawing { | |
| 639 get { return suspenddrawing; } | |
| 640 set { | |
| 641 lock (RenderLock) { | |
| 642 suspenddrawing = value; | |
| 643 if (!value) { | |
| 644 Refresh(DirtyRectangle); | |
| 645 DirtyRectangle = Rectangle.Empty; | |
| 646 } | |
| 647 } | |
| 648 } | |
| 649 } | |
| 650 public int RedrawDelay { | |
| 651 get { return PaintDelay; } | |
| 652 set { | |
| 653 lock (RenderLock) { | |
| 654 if (value < 0) throw new ArgumentOutOfRangeException("value"); | |
| 655 PaintDelay = value; | |
| 656 if (PaintDelay == 0) { | |
| 657 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 658 PaintTimer = null; | |
| 659 if (PaintScheduled) PaintTimerCallback(null); | |
| 660 } else { | |
| 661 PaintTimer = new ThreadingTimer(PaintTimerCallback); | |
| 662 } | |
| 663 } | |
| 664 } | |
| 665 } | |
| 666 private Boolean suspenddrawing = false; | |
| 667 private Rectangle DirtyRectangle; | |
| 668 | |
| 669 public Point CursorPosition { | |
| 670 get { return cursorposition; } | |
|
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671 set { UpdateCursor(value, cursor); } |
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672 } |
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673 protected void UpdateCursor(Point position, FBGCursor cursor) { |
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674 if (cursorposition == position && cursor == this.cursor) return; |
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675 Rectangle r1 = Rectangle.Empty; |
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676 if (this.cursor != null) { |
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677 r1 = this.cursor.Area; |
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678 r1.Offset(cursorposition); |
| 23 | 679 } |
|
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680 if (cursor != null) { |
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681 Rectangle r2 = cursor.Area; |
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682 r2.Offset(position); |
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683 r1 = r1.IsEmpty ? r2 : Rectangle.Union(r1, r2); |
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684 } |
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685 this.cursor = cursor; |
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686 cursorposition = position; |
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687 Invalidate(r1); |
| 23 | 688 } |
| 689 public override Rectangle Bounds { | |
| 690 get { return new Rectangle(Point.Empty, size); } | |
| 691 set { throw new NotSupportedException("Can not change the top control bounds"); } | |
| 692 } | |
| 693 public FBGRenderer(IFramebuffer fb) : this(fb.Width, fb.Height) { | |
| 694 Framebuffer = fb; | |
| 695 } | |
| 696 public FBGRenderer(Size fbsize) : this(fbsize.Width, fbsize.Height) { } | |
| 697 public FBGRenderer(int width, int height) : this(new Bitmap(width, height, PixelFormat.Format32bppRgb)) { } | |
| 698 public FBGRenderer(Bitmap bmp) : base(null) { | |
| 699 Frontbuffer = bmp; | |
| 700 BackColor = SystemColors.Control; | |
| 701 size = Frontbuffer.Size; | |
| 702 } | |
|
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703 protected FBGRenderer() : base(null) { |
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704 BackColor = SystemColors.Control; |
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705 } |
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706 protected override void HandleInvalidateMessage(IFBGControl sender, FBGInvalidateMessage e) { |
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707 e.Area = new Rectangle(PointFromChild(sender, e.Area.Location), e.Area.Size); |
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708 Invalidate(e.Area); |
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709 } |
| 23 | 710 public override void Invalidate(Rectangle rect) { |
| 711 if (rect.Width == 0 || rect.Height == 0) return; | |
| 712 lock (RenderLock) { | |
| 713 if (SuspendDrawing || PaintTimer != null) { | |
| 714 DirtyRectangle = DirtyRectangle.IsEmpty ? rect : Rectangle.Union(DirtyRectangle, rect); | |
| 715 if (!SuspendDrawing && !PaintScheduled) { | |
| 716 PaintScheduled = true; | |
| 717 PaintTimer.Change(PaintDelay, Timeout.Infinite); | |
| 718 } | |
| 719 } else { | |
| 720 Refresh(rect); | |
| 721 } | |
| 722 } | |
| 723 } | |
| 724 private void PaintTimerCallback(Object state) { | |
| 725 try { | |
| 726 lock (RenderLock) { | |
| 727 PaintScheduled = false; | |
| 728 Refresh(DirtyRectangle); | |
| 729 DirtyRectangle = Rectangle.Empty; | |
| 730 } | |
|
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731 } catch (Exception ex) { |
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732 Debug.WriteLine(ex); |
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733 Console.Error.WriteLine(ex); |
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734 } |
| 23 | 735 } |
|
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736 protected virtual void Refresh(Rectangle rect) { |
| 23 | 737 lock (RenderLock) { |
| 738 rect.Intersect(Bounds); | |
| 739 if (rect.Width == 0 || rect.Height == 0) return; | |
|
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740 if (Frontbuffer != null) { |
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741 using (Graphics g = Graphics.FromImage(Frontbuffer)) { |
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742 g.SetClip(rect); |
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743 Paint(g); |
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744 } |
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745 if (Framebuffer != null) Framebuffer.DrawImage(Frontbuffer, rect, rect.Location); |
| 23 | 746 } |
| 747 RaiseEvent(Painted, new InvalidateEventArgs(rect)); | |
| 748 } | |
| 749 } | |
|
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750 public virtual new void Paint(Graphics g) { |
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751 HandleEvent(new FBGPaintEvent(g)); |
|
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752 if (cursor != null && cursor.Image != null) { |
| 42 | 753 Rectangle r = cursor.Area; |
| 754 r.Offset(cursorposition); | |
| 755 g.DrawImage(cursor.Image, r); | |
| 23 | 756 } |
| 757 } | |
|
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758 protected override void HandlePointingCaptureMessage(IFBGControl sender, FBGPointingCaptureMessage e) { |
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759 if (e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; |
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760 else if (!e.Capture && !ReferenceEquals(mouseCaptureControl, sender)) e.Capture = false; |
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761 else mouseCaptureControl = e.Capture ? sender : null; |
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762 } |
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763 protected override void HandleKeyboardCaptureMessage(IFBGControl sender, FBGKeyboardCaptureMessage e) { |
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764 if (!e.Capture && !ReferenceEquals(keyboardCaptureControl, sender)) e.Capture = false; |
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765 else { |
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766 IFBGControl prev = keyboardCaptureControl; |
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767 keyboardCaptureControl = e.Capture ? sender : null; |
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768 if (prev != null && prev != sender) prev.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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769 } |
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770 } |
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771 |
| 23 | 772 protected override Boolean CaptureMouse(Boolean capture) { |
| 773 return true; | |
| 774 } | |
| 775 protected override Boolean CaptureKeyboard(bool capture) { | |
| 776 return true; | |
| 777 } | |
|
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778 public virtual void Dispose() { |
| 23 | 779 lock (RenderLock) { |
| 780 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 781 PaintTimer = null; | |
| 782 } | |
| 783 Orphaned(); | |
|
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784 lock (RenderLock) { |
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785 if (Frontbuffer != null) Frontbuffer.Dispose(); |
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786 Frontbuffer = null; |
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787 } |
| 23 | 788 } |
| 789 public Bitmap LockBitmapBuffer() { | |
| 790 Monitor.Enter(RenderLock); | |
| 791 return Frontbuffer; | |
| 792 } | |
| 793 public void UnlockBitmapBuffer() { | |
| 794 Monitor.Exit(RenderLock); | |
| 795 } | |
|
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796 void DispatchPointingEvent(Point position, MouseButtons buttons, FBGPointingEventType type) { |
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797 FBGPointingEvent e = new FBGPointingEvent(position, buttons, type); |
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798 HandleEvent(e); |
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799 UpdateCursor(cursorposition, e.Cursor); |
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800 } |
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801 public new void MouseMove(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.Move); } |
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802 public new void MouseDown(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.ButtonDown); } |
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803 public new void MouseUp(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.ButtonUp); } |
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804 public new void KeyDown(Keys key) { KeyDown(key, Char.MinValue); } |
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805 public new void KeyPress(Char key) { KeyDown(Keys.None, key); } |
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806 public new void KeyUp(Keys key) { KeyUp(key, Char.MinValue); } |
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807 public void KeyDown(Keys key, Char keyChar) { HandleEvent(new FBGKeyboardEvent(key, keyChar, true)); } |
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808 public void KeyUp(Keys key, Char keyChar) { HandleEvent(new FBGKeyboardEvent(key, keyChar, false)); } |
| 23 | 809 } |
| 810 public class FBGForm : FBGDockContainer { | |
| 811 private Point prevPosition = Point.Empty; | |
| 812 private NonClientOps moveresize = 0; | |
| 813 private String text = String.Empty; | |
| 814 public event EventHandler TextChanged; | |
| 31 | 815 public event EventHandler Closed; |
| 23 | 816 public Boolean Sizable { get; set; } |
| 817 public Boolean Movable { get; set; } | |
| 818 public Boolean Closable { get; set; } | |
| 819 [Flags] | |
| 820 private enum NonClientOps : int { | |
| 821 None = 0, | |
| 822 Move = 1, | |
| 823 ResizeLeft = 2, | |
| 824 ResizeRight = 4, | |
| 825 ResizeTop = 8, | |
| 826 ResizeBottom = 16, | |
| 827 ButtonClose = 32, | |
| 828 MoveResize = ResizeLeft | ResizeRight | ResizeBottom | ResizeTop | Move, | |
| 829 } | |
| 78 | 830 public override Rectangle ClientRectangle { get { return new Rectangle(4, 22, Bounds.Width - 8, Bounds.Height - 26); } } |
| 23 | 831 public FBGForm(IFBGContainerControl parent) : base(parent) { |
| 832 BackColor = SystemColors.Control; | |
| 833 Sizable = true; | |
| 834 Movable = true; | |
| 835 Closable = false; | |
| 836 } | |
| 837 public String Text { get { return text; } set { if (text == value) return; text = value; Invalidate(new Rectangle(0, 0, Bounds.Width, 20)); RaiseEvent(TextChanged); } } | |
|
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838 private NonClientOps GetNonClientOperation(Point p) { |
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839 if ((new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(p)) return NonClientOps.ButtonClose; |
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840 NonClientOps mr = 0; |
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841 if (Sizable) { |
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842 if (Movable) { |
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843 if (p.X < 4) mr |= NonClientOps.ResizeLeft; |
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844 if (p.Y < 4) mr |= NonClientOps.ResizeTop; |
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845 } |
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846 if (p.X >= Bounds.Width - 4) mr |= NonClientOps.ResizeRight; |
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847 if (p.Y >= Bounds.Height - 4) mr |= NonClientOps.ResizeBottom; |
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848 } |
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849 if (mr == 0 && Movable && p.Y < 20) mr = NonClientOps.Move; |
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850 return mr; |
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851 } |
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852 private void SetCursorForNonClientOperation(NonClientOps op, FBGPointingEvent e) { |
|
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853 switch (op & NonClientOps.MoveResize) { |
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854 case NonClientOps.Move: e.Cursor = FBGCursor.Move; break; |
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855 case NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeLeft; break; |
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856 case NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeRight; break; |
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857 case NonClientOps.ResizeBottom: e.Cursor = FBGCursor.SizeBottom; break; |
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858 case NonClientOps.ResizeTop: e.Cursor = FBGCursor.SizeTop; break; |
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859 case NonClientOps.ResizeTop | NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeTopLeft; break; |
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860 case NonClientOps.ResizeTop | NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeTopRight; break; |
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861 case NonClientOps.ResizeBottom | NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeBottomLeft; break; |
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862 case NonClientOps.ResizeBottom | NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeBottomRight; break; |
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863 } |
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864 } |
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865 protected override void HandlePointingEvent(FBGPointingEvent e) { |
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866 if (Cursor != null) e.Cursor = Cursor; |
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867 if (HandlePointingEventA(e)) base.HandlePointingEvent(e); |
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868 } |
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869 Boolean HandlePointingEventA(FBGPointingEvent e) { |
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870 switch (e.Type) { |
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871 case FBGPointingEventType.Move: return MouseMove(e.Position, e.Buttons, e); |
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872 case FBGPointingEventType.ButtonDown: return MouseDown(e.Position, e.Buttons, e); |
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873 case FBGPointingEventType.ButtonUp: return MouseUp(e.Position, e.Buttons, e); |
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874 default: return true; |
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875 } |
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876 } |
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877 Boolean MouseDown(Point p, MouseButtons buttons, FBGPointingEvent e) { |
| 23 | 878 NonClientOps mr = 0; |
|
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879 if ((buttons & MouseButtons.Left) != 0) mr = GetNonClientOperation(p); |
| 23 | 880 if (mr != 0) { |
| 881 moveresize = mr; | |
| 882 prevPosition = p; | |
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883 SetCursorForNonClientOperation(moveresize, e); |
| 23 | 884 CaptureMouse(true); |
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885 return false; |
| 23 | 886 } else { |
|
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887 return true; |
| 23 | 888 } |
| 889 } | |
|
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890 Boolean MouseMove(Point position, MouseButtons buttons, FBGPointingEvent e) { |
|
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891 NonClientOps mr = moveresize; |
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892 if (mr == 0) mr = GetNonClientOperation(position); |
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893 if (mr == 0) return true; |
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894 SetCursorForNonClientOperation(mr, e); |
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895 if ((moveresize & NonClientOps.MoveResize) != 0) { |
| 23 | 896 Rectangle b = Bounds; |
| 897 int dx = position.X - prevPosition.X; | |
| 898 int dy = position.Y - prevPosition.Y; | |
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899 if (moveresize == NonClientOps.Move) { |
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900 b.Offset(dx, dy); |
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901 } |
| 23 | 902 if ((moveresize & NonClientOps.ResizeLeft) != 0) { |
| 903 b.X += dx; | |
| 904 b.Width -= dx; | |
| 905 } else if ((moveresize & NonClientOps.ResizeRight) != 0) { | |
| 906 b.Width += dx; | |
| 907 prevPosition.X = position.X; | |
| 908 } | |
| 909 if ((moveresize & NonClientOps.ResizeTop) != 0) { | |
| 910 b.Y += dy; | |
| 911 b.Height -= dy; | |
| 912 } else if ((moveresize & NonClientOps.ResizeBottom) != 0) { | |
| 913 b.Height += dy; | |
| 914 prevPosition.Y = position.Y; | |
| 915 } | |
| 916 if (b.Width < 55) b.Width = 55; | |
| 917 if (b.Height < 25) b.Height = 25; | |
| 918 Bounds = b; | |
| 919 } | |
|
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920 return false; |
| 23 | 921 } |
|
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922 Boolean MouseUp(Point position, MouseButtons buttons, FBGPointingEvent e) { |
| 23 | 923 if (moveresize == 0) { |
|
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924 SetCursorForNonClientOperation(GetNonClientOperation(position), e); |
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925 return true; |
| 23 | 926 } else if ((buttons & MouseButtons.Left) != 0) { |
| 927 MouseMove(position, buttons); | |
| 928 CaptureMouse(false); | |
| 929 if (moveresize == NonClientOps.ButtonClose && (new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(position) && Closable) Close(); | |
| 930 moveresize = 0; | |
|
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931 SetCursorForNonClientOperation(GetNonClientOperation(position), e); |
| 23 | 932 } |
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933 return false; |
| 23 | 934 } |
| 935 protected override void Paint(Graphics g) { | |
| 936 base.Paint(g); | |
| 937 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 938 g.DrawRectangle(Pens.LightGray, 1, 1, Bounds.Width - 3, Bounds.Height - 3); | |
| 939 g.DrawRectangle(Pens.DarkGray, 2, 20, Bounds.Width - 5, Bounds.Height - 23); | |
| 940 g.DrawRectangle(Pens.Gray, 3, 21, Bounds.Width - 7, Bounds.Height - 25); | |
| 941 using (Brush b = new LinearGradientBrush(new Rectangle(0, 1, 1, 18), Color.Gray, Color.LightGray, LinearGradientMode.Vertical)) | |
| 942 g.FillRectangle(b, 2, 2, Bounds.Width - 4, 18); | |
| 943 | |
| 944 g.DrawString(Text, SystemFonts.CaptionFont, Brushes.Black, 4, 1); | |
| 945 | |
| 946 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14, 4, 14, 14); | |
| 947 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 16, 4, 14, 14); | |
| 948 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 32, 4, 14, 14); | |
| 949 using (Brush b = new LinearGradientBrush(new Rectangle(0, 5, 1, 13), Color.LightGray, Color.DarkGray, LinearGradientMode.Vertical)) { | |
| 950 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1, 5, 13, 13); | |
| 951 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 16, 5, 13, 13); | |
| 952 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 32, 5, 13, 13); | |
| 953 } | |
| 954 if (Closable) { | |
| 955 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 14 - 3); | |
| 956 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 14 - 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 3); | |
| 957 } | |
| 958 } | |
| 959 public void Close() { | |
| 960 Parent.RemoveControl(this); | |
| 31 | 961 RaiseEvent(Closed); |
| 23 | 962 } |
| 963 } | |
| 964 public class FBGDesktop : FBGContainerControl { | |
| 965 FBGContainerControl windowcontainer; | |
| 966 FBGContainerControl menucontainer; | |
| 967 Boolean startup = true; | |
| 968 class FBGWindowState { | |
| 969 public IFBGControl Control; | |
| 970 public FBGButton MenuButton; | |
| 971 public Boolean Visible; | |
| 972 public Rectangle OldBounds; | |
| 973 public FBGWindowState(IFBGControl cntrl, FBGButton btn) { | |
| 974 Control = cntrl; | |
| 975 MenuButton = btn; | |
| 976 Visible = true; | |
| 977 } | |
| 978 } | |
| 979 Dictionary<IFBGControl, FBGWindowState> windowstates = new Dictionary<IFBGControl, FBGWindowState>(); | |
| 980 public FBGDesktop(IFBGContainerControl parent) : base(parent) { | |
| 981 menucontainer = new FBGContainerControl(this); | |
| 982 menucontainer.Bounds = new Rectangle(0, Bounds.Height - 25, Bounds.Width, 25); | |
| 983 windowcontainer = new FBGContainerControl(this); | |
| 984 windowcontainer.Bounds = new Rectangle(0, 0, Bounds.Width, Bounds.Height - 25); | |
| 985 startup = false; | |
| 986 } | |
| 987 public override Rectangle Bounds { | |
| 988 get { return base.Bounds; } | |
| 989 set { | |
| 990 if (Bounds == value) return; | |
| 991 base.Bounds = value; | |
| 992 if (startup) return; | |
| 993 menucontainer.Bounds = new Rectangle(0, value.Height - 25, value.Width, 25); | |
| 994 windowcontainer.Bounds = new Rectangle(0, 0, value.Width, value.Height - 25); | |
| 995 ScaleMenuButtons(); | |
| 996 } | |
| 997 } | |
| 998 protected override void AddControl(IFBGControl control) { | |
| 999 if (startup) { | |
| 1000 base.AddControl(control); | |
| 1001 return; | |
| 1002 } | |
| 1003 ((IFBGContainerControl)windowcontainer).AddControl(control); | |
| 1004 FBGButton btn = new FBGButton(menucontainer); | |
| 1005 FBGForm formcontrol = control as FBGForm; | |
| 1006 if (formcontrol == null) { | |
| 1007 btn.Text = "Untitled"; | |
| 1008 } else { | |
| 1009 formcontrol.TextChanged += delegate(Object sender, EventArgs e) { | |
| 1010 btn.Text = formcontrol.Text; | |
| 1011 }; | |
| 1012 btn.Text = formcontrol.Text; | |
| 1013 } | |
| 1014 FBGWindowState ws = new FBGWindowState(control, btn); | |
| 1015 windowstates.Add(control, ws); | |
| 1016 ScaleMenuButtons(); | |
| 1017 btn.Click += delegate(Object sender, EventArgs e) { | |
| 1018 if (ws.Visible) { | |
| 1019 if (ws.MenuButton.BackColor == Color.DarkGray) { | |
| 1020 ws.OldBounds = ws.Control.Bounds; | |
| 1021 ws.Visible = false; | |
| 1022 ws.Control.Bounds = Rectangle.Empty; | |
| 1023 } else { | |
| 1024 windowcontainer.BringControlToFront(ws.Control); | |
| 1025 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 1026 ws.MenuButton.BackColor = Color.DarkGray; | |
| 1027 } | |
| 1028 } else { | |
| 1029 ws.Control.Bounds = ws.OldBounds; | |
| 1030 ws.Visible = true; | |
| 1031 windowcontainer.BringControlToFront(ws.Control); | |
| 1032 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 1033 ws.MenuButton.BackColor = Color.DarkGray; | |
| 1034 } | |
| 1035 }; | |
| 1036 } | |
| 1037 public override void RemoveControl(IFBGControl control) { | |
| 1038 windowcontainer.RemoveControl(control); | |
| 1039 windowstates.Remove(control); | |
| 1040 ScaleMenuButtons(); | |
| 1041 } | |
| 1042 private void ScaleMenuButtons() { | |
| 1043 int bcount = windowstates.Count; | |
| 1044 int bwidth = 200; | |
| 1045 int twidth = bwidth * bcount; | |
| 1046 if (twidth > Bounds.Width) bwidth = menucontainer.Bounds.Width / bcount; | |
| 1047 int i = 0; | |
| 1048 foreach (FBGWindowState ws in windowstates.Values) { | |
| 1049 ws.MenuButton.Bounds = new Rectangle(i * bwidth, 0, bwidth, 25); | |
| 1050 i++; | |
| 1051 } | |
| 1052 } | |
| 1053 protected override void Paint(Graphics g) { | |
| 1054 base.Paint(g); | |
| 1055 g.DrawLine(Pens.Black, 0, Bounds.Height - 25, Bounds.Width, Bounds.Height - 25); | |
| 1056 } | |
| 1057 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1058 IFBGControl control = FindControlAtPosition(position); | |
| 1059 if (ReferenceEquals(control, windowcontainer)) { | |
| 1060 control = windowcontainer.FindControlAtPosition(PointToChild(windowcontainer, position)); | |
| 1061 if (!ReferenceEquals(control, null)) { | |
| 1062 windowcontainer.BringControlToFront(control); | |
| 1063 foreach (FBGWindowState ws in windowstates.Values) | |
| 1064 ws.MenuButton.BackColor = ReferenceEquals(ws.Control, control) ? Color.DarkGray : SystemColors.ButtonFace; | |
| 1065 } | |
| 1066 } | |
| 1067 base.MouseDown(position, buttons); | |
| 1068 } | |
| 1069 } | |
| 1070 | |
| 1071 public class FBGLabel : FBGControl, IDisposable { | |
| 1072 public FBGLabel(IFBGContainerControl parent) : base(parent) { | |
| 1073 Size = new Size(200, 16); | |
| 1074 } | |
| 1075 private String text = String.Empty; | |
| 1076 private Font font = SystemFonts.DefaultFont; | |
| 1077 private Brush brush = SystemBrushes.ControlText; | |
| 1078 private StringFormat stringformat = new StringFormat(); | |
| 1079 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1080 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1081 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 1082 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 1083 public StringAlignment Alignment { get { return stringformat.Alignment; } set { stringformat.Alignment = value; Invalidate(); } } | |
| 1084 public StringFormatFlags FormatFlags { get { return stringformat.FormatFlags; } set { stringformat.FormatFlags = value; Invalidate(); } } | |
| 1085 public StringAlignment LineAlignment { get { return stringformat.LineAlignment; } set { stringformat.LineAlignment = value; Invalidate(); } } | |
| 1086 public StringTrimming Trimming { get { return stringformat.Trimming; } set { stringformat.Trimming = value; Invalidate(); } } | |
| 1087 protected override void Paint(Graphics g) { | |
| 1088 base.Paint(g); | |
| 1089 g.DrawString(text, font, brush, new Rectangle(Point.Empty, Bounds.Size), stringformat); | |
| 1090 } | |
| 1091 public void Dispose() { | |
| 1092 stringformat.Dispose(); | |
| 1093 } | |
| 1094 protected override void Orphaned() { | |
| 1095 base.Orphaned(); | |
| 1096 Dispose(); | |
| 1097 } | |
| 1098 } | |
| 1099 public class FBGTextBox : FBGControl { | |
| 1100 public FBGTextBox(IFBGContainerControl parent) : base(parent) { | |
| 1101 BackColor = Color.White; | |
| 1102 Size = new Size(200, 20); | |
| 1103 } | |
| 1104 private String text = String.Empty; | |
| 1105 private Char passwordChar = (Char)0; | |
| 1106 private Font font = new Font(FontFamily.GenericMonospace, 10); | |
| 1107 private Brush brush = SystemBrushes.ControlText; | |
| 1108 private Boolean hasKeyboardFocus = false; | |
| 1109 public String Text { get { return text; } set { text = value; if (CaretPosition > text.Length) CaretPosition = text.Length; Invalidate(); RaiseEvent(TextChanged); } } | |
| 1110 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1111 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 1112 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 1113 public Int32 CaretPosition { get; private set; } | |
| 1114 public Char PasswordChar { get { return passwordChar; } set { passwordChar = value; Invalidate(); } } | |
| 1115 public event EventHandler TextChanged; | |
| 1116 public event KeyPressEventHandler OnKeyPress; | |
| 1117 protected override void Paint(Graphics g) { | |
| 1118 base.Paint(g); | |
| 1119 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1120 using (StringFormat sf_nonprinting = new StringFormat(StringFormat.GenericTypographic)) { | |
| 1121 sf_nonprinting.Trimming = StringTrimming.None; | |
| 1122 sf_nonprinting.FormatFlags = StringFormatFlags.DisplayFormatControl | StringFormatFlags.MeasureTrailingSpaces; | |
| 1123 sf_nonprinting.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.None; | |
| 1124 | |
| 1125 float x = 1; | |
| 1126 float y = 1; | |
| 1127 float w = Width - 2; | |
| 1128 if (hasKeyboardFocus && CaretPosition == 0) { | |
| 1129 g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); | |
| 1130 } | |
| 1131 String c = passwordChar == 0 ? null : new String(passwordChar, 1); | |
| 1132 for (int i = 0; i < text.Length; i++) { | |
| 1133 if (passwordChar == 0) c = text.Substring(i, 1); | |
| 1134 SizeF s = g.MeasureString(c, font, (int)Math.Ceiling(w), sf_nonprinting); | |
| 1135 g.DrawString(c, font, brush, x, y); | |
| 1136 x += (float)Math.Ceiling(s.Width); | |
| 1137 w -= (float)Math.Ceiling(s.Width); | |
| 1138 | |
| 1139 if (hasKeyboardFocus && i == CaretPosition - 1) { | |
| 1140 g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); | |
| 1141 } | |
| 1142 } | |
| 1143 } | |
| 1144 } | |
| 1145 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1146 hasKeyboardFocus = CaptureKeyboard(true); | |
| 1147 CaretPosition = text.Length; | |
| 1148 float x = 1; | |
| 1149 String c = passwordChar == 0 ? null : new String(passwordChar, 1); | |
| 1150 for (int i = 0; i < text.Length; i++) { | |
| 1151 if (passwordChar == 0) c = text.Substring(i, 1); | |
| 1152 Size s; | |
| 1153 try { | |
| 1154 s = TextRenderer.MeasureText(c, font, Size.Empty, TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix); | |
| 1155 } catch (Exception) { | |
| 1156 break; | |
| 1157 } | |
| 1158 x += s.Width; | |
| 1159 if (position.X < x) { | |
| 1160 CaretPosition = i; | |
| 1161 break; | |
| 1162 } | |
| 1163 } | |
| 1164 Invalidate(); | |
| 1165 } | |
| 1166 protected override void KeyDown(Keys key) { | |
| 1167 if ((key & Keys.KeyCode) == Keys.Left) { | |
| 1168 CaretPosition--; | |
| 1169 if (CaretPosition < 0) CaretPosition = 0; | |
| 1170 Invalidate(); | |
| 1171 } else if ((key & Keys.KeyCode) == Keys.Right) { | |
| 1172 CaretPosition++; | |
| 1173 if (CaretPosition > text.Length) CaretPosition = text.Length; | |
| 1174 Invalidate(); | |
| 1175 } else if ((key & Keys.KeyCode) == Keys.Home) { | |
| 1176 CaretPosition = 0; | |
| 1177 Invalidate(); | |
| 1178 } else if ((key & Keys.KeyCode) == Keys.End) { | |
| 1179 CaretPosition = text.Length; | |
| 1180 Invalidate(); | |
| 1181 } else if ((key & Keys.Control) != 0 && (key & Keys.KeyCode) == Keys.V) { | |
| 1182 String cbtext = Clipboard.GetText(TextDataFormat.UnicodeText); | |
| 1183 CaretPosition += cbtext.Length; | |
| 1184 Text = Text.Insert(CaretPosition - cbtext.Length, cbtext); | |
| 1185 } | |
| 1186 } | |
| 1187 protected override void KeyPress(char keyChar) { | |
| 1188 KeyPressEventArgs e = new KeyPressEventArgs(keyChar); | |
| 1189 RaiseEvent(OnKeyPress, e); | |
| 1190 if (e.Handled) return; | |
| 1191 hasKeyboardFocus = true; | |
| 1192 if (keyChar == 8) { | |
| 1193 if (CaretPosition > 0) { | |
| 1194 CaretPosition--; | |
| 1195 Text = Text.Remove(CaretPosition, 1); | |
| 1196 } | |
| 1197 } else if (keyChar == 127) { | |
| 1198 if (CaretPosition < Text.Length) { | |
| 1199 Text = Text.Remove(CaretPosition, 1); | |
| 1200 } | |
| 1201 } else if (keyChar < 32) { | |
| 1202 } else { | |
| 1203 CaretPosition++; | |
| 1204 Text = Text.Insert(CaretPosition - 1, new String(keyChar, 1)); | |
| 1205 } | |
| 1206 } | |
| 1207 public void Focus() { | |
| 1208 hasKeyboardFocus = CaptureKeyboard(true); | |
| 1209 } | |
| 1210 protected override void LostKeyboardCapture() { | |
| 1211 base.LostKeyboardCapture(); | |
| 1212 hasKeyboardFocus = false; | |
| 1213 Invalidate(); | |
| 1214 } | |
| 1215 } | |
| 1216 public class FBGButton : FBGControl { | |
| 1217 public FBGButton(IFBGContainerControl parent) : base(parent) { | |
| 1218 BackColor = SystemColors.ButtonFace; | |
| 1219 } | |
| 1220 private String text = String.Empty; | |
| 1221 private Font font = SystemFonts.DefaultFont; | |
| 1222 private Color color = SystemColors.ControlText; | |
| 1223 private Boolean pressed = false; | |
| 1224 private Boolean enabled = true; | |
| 1225 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1226 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1227 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1228 public Boolean Enabled { get { return enabled; } set { enabled = value; Invalidate(); } } | |
| 1229 public event EventHandler Click; | |
| 1230 protected override void Paint(Graphics g) { | |
| 1231 base.Paint(g); | |
| 1232 if (Bounds.Width == 0 || Bounds.Height == 0) return; | |
| 1233 if (BackColor == SystemColors.ButtonFace) { | |
| 1234 ControlPaint.DrawButton(g, new Rectangle(0, 0, Bounds.Width, Bounds.Height), enabled ? (pressed ? ButtonState.Pushed : ButtonState.Normal) : ButtonState.Inactive); | |
| 1235 } else { | |
| 1236 //Hackish and not completely right... | |
| 1237 //Todo: borrowed from mono... possible licencing issues!? | |
| 1238 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, Bounds.Width, 0); | |
| 1239 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, 0, Bounds.Height); | |
| 1240 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), 1, Bounds.Height - 2, Bounds.Width - 1, Bounds.Height - 2); | |
| 1241 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), Bounds.Width - 2, 1, Bounds.Width - 2, Bounds.Height - 2); | |
| 1242 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), 0, Bounds.Height - 1, Bounds.Width, Bounds.Height - 1); | |
| 1243 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), Bounds.Width - 1, 1, Bounds.Width - 1, Bounds.Height - 1); | |
| 1244 Graphics dc = g; | |
| 1245 Rectangle rectangle = new Rectangle(0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1246 Color ColorControl = BackColor; | |
| 1247 Color ColorControlLight = ControlPaint.Light(ColorControl); | |
| 1248 ButtonState state = pressed ? ButtonState.Pushed : ButtonState.Normal; | |
| 1249 using (Pen NormalPen = new Pen(BackColor), LightPen = new Pen(ControlPaint.Light(BackColor)), DarkPen = new Pen(ControlPaint.Dark(BackColor))) { | |
| 1250 // sadly enough, the rectangle gets always filled with a hatchbrush | |
| 1251 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, Color.FromArgb(Math.Min(255, ColorControl.R + 3), ColorControl.G, ColorControl.B), ColorControl)) { | |
| 1252 dc.FillRectangle(hb, rectangle.X + 1, rectangle.Y + 1, rectangle.Width - 2, rectangle.Height - 2); | |
| 1253 } | |
| 1254 if ((state & ButtonState.All) == ButtonState.All || ((state & ButtonState.Checked) == ButtonState.Checked && (state & ButtonState.Flat) == ButtonState.Flat)) { | |
| 1255 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1256 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1257 } | |
| 1258 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1259 } else if ((state & ButtonState.Flat) == ButtonState.Flat) { | |
| 1260 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1261 } else if ((state & ButtonState.Checked) == ButtonState.Checked) { | |
| 1262 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1263 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1264 } | |
| 1265 Pen pen = DarkPen; | |
| 1266 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1267 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1268 | |
| 1269 pen = NormalPen; | |
| 1270 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1271 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1272 | |
| 1273 pen = LightPen; | |
| 1274 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1275 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1276 } else if (((state & ButtonState.Pushed) == ButtonState.Pushed) && ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1277 Pen pen = DarkPen; | |
| 1278 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1279 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1280 | |
| 1281 pen = NormalPen; | |
| 1282 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1283 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1284 | |
| 1285 pen = LightPen; | |
| 1286 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1287 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1288 } else if (((state & ButtonState.Inactive) == ButtonState.Inactive) || ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1289 Pen pen = LightPen; | |
| 1290 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1291 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1292 | |
| 1293 pen = NormalPen; | |
| 1294 dc.DrawLine(pen, rectangle.X + 1, rectangle.Bottom - 2, rectangle.Right - 2, rectangle.Bottom - 2); | |
| 1295 dc.DrawLine(pen, rectangle.Right - 2, rectangle.Y + 1, rectangle.Right - 2, rectangle.Bottom - 3); | |
| 1296 | |
| 1297 pen = DarkPen; | |
| 1298 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1299 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 2); | |
| 1300 } | |
| 1301 } | |
| 1302 } | |
| 1303 Rectangle frect = new Rectangle(Point.Empty, Bounds.Size); | |
| 1304 SizeF textsize = g.MeasureString(Text, Font); | |
| 1305 using (Brush b = new SolidBrush(enabled ? Color : Color.DarkGray)) { | |
| 1306 g.DrawString(Text, Font, b, new PointF(Bounds.Width / 2.0f - textsize.Width / 2.0f, Bounds.Height / 2.0f - textsize.Height / 2.0f)); | |
| 1307 } | |
| 1308 } | |
| 1309 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1310 pressed = true; | |
| 1311 Invalidate(); | |
| 1312 CaptureMouse(true); | |
| 1313 base.MouseDown(position, buttons); | |
| 1314 } | |
| 1315 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1316 pressed = false; | |
| 1317 Invalidate(); | |
| 1318 CaptureMouse(false); | |
| 1319 if (position.X >= 0 && position.X <= Bounds.Width && position.Y >= 0 && position.Y <= Bounds.Height && enabled) RaiseEvent(Click); | |
| 1320 base.MouseUp(position, buttons); | |
| 1321 } | |
| 1322 protected override void KeyDown(Keys key) { | |
| 1323 if (key == Keys.Return || key == Keys.Space) { | |
| 1324 pressed = true; | |
| 1325 Invalidate(); | |
| 1326 } | |
| 1327 base.KeyDown(key); | |
| 1328 } | |
| 1329 protected override void KeyUp(Keys key) { | |
| 1330 if (key == Keys.Return || key == Keys.Space) { | |
| 1331 if (pressed) RaiseEvent(Click); | |
| 1332 pressed = false; | |
| 1333 Invalidate(); | |
| 1334 } | |
| 1335 base.KeyUp(key); | |
| 1336 } | |
| 1337 public void Focus() { | |
| 1338 CaptureKeyboard(true); | |
| 1339 } | |
| 1340 } | |
| 1341 public class FBGCheckBox : FBGControl { | |
| 1342 public FBGCheckBox(IFBGContainerControl parent) : base(parent) { } | |
| 1343 private String text = String.Empty; | |
| 1344 private Font font = SystemFonts.DefaultFont; | |
| 1345 private Color color = SystemColors.ControlText; | |
| 1346 private Boolean _checked = false; | |
| 1347 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1348 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1349 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1350 public Boolean Checked { get { return _checked; } set { _checked = value; Invalidate(); } } | |
| 1351 public event EventHandler CheckedChanged; | |
| 1352 protected override void Paint(Graphics g) { | |
| 1353 base.Paint(g); | |
| 1354 ControlPaint.DrawCheckBox(g, 0, 0, 13, 13, _checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1355 g.DrawString(Text, Font, new SolidBrush(Color), 15, 0); | |
| 1356 } | |
| 1357 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1358 Checked = !Checked; | |
| 1359 RaiseEvent(CheckedChanged); | |
| 1360 base.MouseDown(position, buttons); | |
| 1361 } | |
| 1362 } | |
| 1363 public class FBGImageBox : FBGControl { | |
| 1364 Image image = null; | |
| 33 | 1365 Image scaledImage = null; |
| 1366 Size imageSize; | |
| 1367 Boolean ownsImage = false; | |
|
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1368 Boolean shouldScaleImage = false; |
| 23 | 1369 PictureBoxSizeMode sizeMode = PictureBoxSizeMode.Normal; |
| 1370 Rectangle imageRect; | |
| 33 | 1371 public Image Image { get { return image; } set { SetImage(value, false); } } |
| 1372 public Boolean PreScaleImage { get; set; } | |
| 1373 public void SetOwnedImage(Image img) { SetImage(img, true); } | |
| 1374 private void SetImage(Image img, Boolean owned) { | |
| 1375 image = img; | |
| 1376 imageSize = img == null ? Size.Empty : img.Size; | |
| 1377 ownsImage = owned; | |
| 1378 UpdateImageRect(Size.Empty); | |
| 1379 } | |
| 23 | 1380 public FBGImageBox(IFBGContainerControl parent) : base(parent) { } |
|
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1381 public PictureBoxSizeMode SizeMode { get { return sizeMode; } set { sizeMode = value; UpdateImageRect(Size.Empty); } } |
| 23 | 1382 public override Rectangle Bounds { |
| 1383 get { | |
| 1384 return base.Bounds; | |
| 1385 } | |
| 1386 set { | |
| 33 | 1387 if (Bounds.Size != value.Size) UpdateImageRect(value.Size); |
| 23 | 1388 base.Bounds = value; |
| 1389 } | |
| 1390 } | |
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1391 private void UpdateImageRect(Size csize) { |
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1392 shouldScaleImage = false; |
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1393 if (scaledImage != null) scaledImage.Dispose(); |
| 33 | 1394 scaledImage = null; |
| 23 | 1395 if (image == null) return; |
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1396 Boolean boundsset = !csize.IsEmpty; |
| 23 | 1397 if (!boundsset && sizeMode == PictureBoxSizeMode.AutoSize) { |
| 33 | 1398 Size = imageSize; |
| 23 | 1399 return; |
| 1400 } | |
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1401 if (!boundsset) csize = Bounds.Size; |
| 23 | 1402 switch (sizeMode) { |
| 1403 case PictureBoxSizeMode.AutoSize: | |
| 1404 case PictureBoxSizeMode.Normal: | |
| 33 | 1405 imageRect = new Rectangle(Point.Empty, imageSize); |
| 23 | 1406 break; |
| 1407 case PictureBoxSizeMode.CenterImage: | |
| 33 | 1408 imageRect = new Rectangle(csize.Width / 2 - imageSize.Width / 2, csize.Height / 2 - imageSize.Height / 2, imageSize.Width, imageSize.Height); |
| 23 | 1409 break; |
| 1410 case PictureBoxSizeMode.StretchImage: | |
|
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1411 imageRect = new Rectangle(Point.Empty, csize); |
| 23 | 1412 break; |
| 1413 case PictureBoxSizeMode.Zoom: | |
| 33 | 1414 float xrat = (float)csize.Width / (float)imageSize.Width; |
| 1415 float yrat = (float)csize.Height / (float)imageSize.Height; | |
| 23 | 1416 float rat = Math.Min(xrat, yrat); |
| 33 | 1417 SizeF dispsize = new SizeF(imageSize.Width * rat, imageSize.Height * rat); |
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1418 imageRect = Rectangle.Round(new RectangleF(csize.Width / 2f - dispsize.Width / 2f, csize.Height / 2f - dispsize.Height / 2f, dispsize.Width, dispsize.Height)); |
| 23 | 1419 break; |
| 1420 } | |
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1421 shouldScaleImage = imageRect.Size != imageSize; |
| 23 | 1422 if (!boundsset) Invalidate(); |
| 1423 } | |
| 1424 protected override void Paint(Graphics g) { | |
| 1425 if (!Visible) return; | |
| 1426 base.Paint(g); | |
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1427 if (shouldScaleImage && PreScaleImage && image != null) { |
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1428 scaledImage = new Bitmap(image, imageRect.Size); |
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1429 shouldScaleImage = false; |
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1430 } |
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1431 if (scaledImage != null) g.DrawImage(scaledImage, imageRect); |
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1432 else if (image != null) g.DrawImage(image, imageRect); |
| 23 | 1433 } |
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1434 public Point PointToImage(Point point) { |
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1435 switch (sizeMode) { |
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1436 case PictureBoxSizeMode.AutoSize: |
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1437 case PictureBoxSizeMode.Normal: |
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1438 break; |
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1439 case PictureBoxSizeMode.CenterImage: |
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1440 point.X -= imageRect.X; |
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1441 point.Y -= imageRect.Y; |
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1442 break; |
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1443 case PictureBoxSizeMode.StretchImage: |
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1444 case PictureBoxSizeMode.Zoom: |
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1445 default: |
| 33 | 1446 point.X = (point.X - imageRect.X) * imageSize.Width / imageRect.Width; |
| 1447 point.Y = (point.Y - imageRect.Y) * imageSize.Height / imageRect.Height; | |
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1448 break; |
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1449 } |
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1450 return point; |
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1451 } |
| 33 | 1452 protected override void Orphaned() { |
| 1453 base.Orphaned(); | |
| 1454 if (scaledImage != null && scaledImage != image) scaledImage.Dispose(); | |
| 1455 scaledImage = null; | |
| 1456 if (ownsImage) { | |
| 1457 image.Dispose(); | |
| 1458 image = null; | |
| 1459 } | |
| 1460 } | |
| 23 | 1461 } |
| 1462 public class FBGListBox : FBGControl { | |
| 1463 private List<Object> items = new List<object>(); | |
| 1464 private Object selected = null; | |
| 1465 private Object highlighted = null; | |
| 1466 private Boolean hasScrollBar = false; | |
| 1467 private Boolean hitScrollBar = false; | |
| 1468 private int offset = 0; | |
| 1469 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1470 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1471 private Converter<Object, String> itemFormatter = null; | |
| 1472 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1473 public FBGListBox(IFBGContainerControl parent) | |
| 1474 : base(parent) { | |
| 1475 BackColor = Color.White; | |
| 1476 } | |
| 78 | 1477 public int AddItem(Object item) { |
| 1478 int id = ((System.Collections.IList)items).Add(item); | |
| 1479 Invalidate(); | |
| 1480 return id; | |
| 1481 } | |
| 1482 public void RemoveItem(Object item) { | |
| 1483 items.Remove(item); | |
| 1484 if (offset >= items.Count) offset = Math.Max(0, items.Count - 1); | |
| 23 | 1485 Invalidate(); |
| 1486 } | |
| 78 | 1487 public void RemoveItemAt(int index) { |
| 1488 if (index < 0) index += items.Count; | |
| 1489 items.RemoveAt(index); | |
| 1490 if (offset >= index && offset > 0) offset--; | |
| 1491 Invalidate(); | |
| 1492 } | |
| 1493 public void Clear() { | |
| 1494 items.Clear(); | |
| 1495 offset = 0; | |
| 1496 Invalidate(); | |
| 1497 } | |
| 1498 public System.Collections.IList Items { get { return items.AsReadOnly(); } } | |
| 23 | 1499 protected override void Paint(Graphics g) { |
| 1500 base.Paint(g); | |
| 1501 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1502 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1503 int y = 2; | |
| 1504 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1505 dottedpen.DashStyle = DashStyle.Dot; | |
| 1506 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1507 for (int i = offset; i < items.Count; i++) { | |
| 1508 Object item = items[i]; | |
| 1509 String text = itemFormatter == null ? (item == null ? String.Empty : item.ToString()) : itemFormatter(item); | |
| 1510 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, Bounds.Width - 4, lh); | |
| 1511 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, Bounds.Width - 5, lh - 1); | |
| 1512 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, y, Bounds.Width - 6, lh), sf); | |
| 1513 y += lh; | |
| 1514 if (y + lh + 2 >= Bounds.Height) break; | |
| 1515 } | |
| 1516 } | |
| 1517 } | |
| 78 | 1518 hasScrollBar = (y < 2 + lh * items.Count) || (offset != 0); |
| 23 | 1519 if (hasScrollBar) { |
| 1520 int xoff = Bounds.Width - 17; | |
| 1521 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1522 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1523 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1524 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 78 | 1525 if (items.Count > 1) g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (items.Count - 1), 15, 20)); |
| 23 | 1526 } |
| 1527 } | |
| 1528 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1529 if ((buttons & MouseButtons.Left) != 0) { | |
| 1530 CaptureMouse(true); | |
| 1531 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1532 hitScrollBar = true; | |
| 78 | 1533 int off = offset; |
| 23 | 1534 if (position.Y < 17) { |
| 78 | 1535 off--; |
| 23 | 1536 buttonUpState = ButtonState.Pushed; |
| 1537 } else if (position.Y > Bounds.Height - 17) { | |
| 78 | 1538 off++; |
| 23 | 1539 buttonDownState = ButtonState.Pushed; |
| 1540 } else { | |
| 78 | 1541 off = (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); |
| 23 | 1542 } |
| 78 | 1543 offset = Math.Max(0, Math.Min(items.Count - 1, off)); |
| 23 | 1544 Invalidate(); |
| 1545 } else { | |
| 1546 MouseHandler(position, buttons); | |
| 1547 } | |
| 1548 } | |
| 1549 } | |
| 1550 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1551 if (hitScrollBar) { | |
| 1552 if (position.Y < 17) { | |
| 1553 } else if (position.Y > Bounds.Height - 17) { | |
| 1554 } else { | |
| 78 | 1555 offset = Math.Max(0, Math.Min(items.Count - 1, (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)))); |
| 23 | 1556 Invalidate(); |
| 1557 } | |
| 1558 return; | |
| 1559 } | |
| 1560 MouseHandler(position, buttons); | |
| 1561 } | |
| 1562 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1563 if ((buttons & MouseButtons.Left) != 0) { | |
| 1564 CaptureMouse(false); | |
| 1565 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 1566 Invalidate(); | |
| 1567 if (hitScrollBar) { | |
| 1568 hitScrollBar = false; | |
| 1569 return; | |
| 1570 } | |
| 1571 } | |
| 1572 if (hitScrollBar) return; | |
| 1573 MouseHandler(position, buttons); | |
| 1574 } | |
| 1575 private void MouseHandler(Point position, MouseButtons buttons) { | |
| 1576 if ((buttons & MouseButtons.Left) != 0) { | |
| 1577 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1578 int i = (position.Y - 2) / lh + offset; | |
| 1579 if (i < 0) i = 0; | |
| 1580 if (i >= items.Count) i = items.Count - 1; | |
| 1581 Boolean changed = false; | |
| 1582 Object current = items[i]; | |
| 1583 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 1584 highlighted = current; | |
| 1585 if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 1586 if (!ReferenceEquals(selected, current)) changed = true; | |
| 1587 selected = current; | |
| 1588 } | |
| 1589 if (changed) Invalidate(); | |
| 1590 } | |
| 1591 } | |
| 1592 } | |
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1593 public abstract class FBGUpDownControlBase : FBGControl { |
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1594 private ButtonState buttonUpState = ButtonState.Normal; |
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1595 private ButtonState buttonDownState = ButtonState.Normal; |
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1596 public FBGUpDownControlBase(IFBGContainerControl parent) : base(parent) { |
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1597 BackColor = Color.White; |
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1598 Height = 25; |
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1599 } |
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1600 protected override void Paint(Graphics g) { |
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1601 base.Paint(g); |
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1602 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); |
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1603 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); |
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1604 String text = SelectedText; |
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1605 if (text == null) { |
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1606 g.FillRectangle(Brushes.DarkGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); |
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1607 } else { |
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1608 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { |
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1609 sf.LineAlignment = StringAlignment.Center; |
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1610 g.FillRectangle(Brushes.LightGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); |
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1611 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, 2, Bounds.Width - 6 - 16, Bounds.Height - 4), sf); |
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1612 } |
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1613 } |
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1614 int xoff = Bounds.Width - 17; |
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1615 int he = (Bounds.Height - 2) / 2; |
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1616 ControlPaint.DrawScrollButton(g, xoff, 1, 16, he, ScrollButton.Up, buttonUpState); |
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1617 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - he - 1, 16, he, ScrollButton.Down, buttonDownState); |
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1618 } |
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1619 protected abstract String SelectedText { get; } |
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1620 protected override void MouseDown(Point position, MouseButtons buttons) { |
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1621 CaptureKeyboard(true); |
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1622 if ((buttons & MouseButtons.Left) != 0) { |
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1623 CaptureMouse(true); |
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1624 if (position.X > Bounds.Width - 17) { |
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1625 if (position.Y < Bounds.Height / 2) { |
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1626 buttonUpState = ButtonState.Pushed; |
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1627 ButtonPressUp(); |
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1628 } else { |
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1629 buttonDownState = ButtonState.Pushed; |
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1630 ButtonPressDown(); |
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1631 } |
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1632 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); |
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1633 } |
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1634 } |
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1635 } |
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1636 protected override void MouseUp(Point position, MouseButtons buttons) { |
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1637 if ((buttons & MouseButtons.Left) != 0) { |
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1638 CaptureMouse(false); |
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1639 buttonUpState = buttonDownState = ButtonState.Normal; |
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1640 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); |
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1641 } |
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1642 } |
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1643 protected override void KeyDown(Keys key) { |
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1644 base.KeyDown(key); |
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1645 if (key == Keys.Down) ButtonPressDown(); |
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1646 else if (key == Keys.Up) ButtonPressUp(); |
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1647 } |
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1648 protected abstract void ButtonPressUp(); |
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1649 protected abstract void ButtonPressDown(); |
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1650 } |
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1651 public class FBGDomainUpDown : FBGUpDownControlBase { |
| 23 | 1652 private List<Object> items = new List<object>(); |
| 1653 private int selectedIndex = -1; | |
| 1654 private Converter<Object, String> itemFormatter = null; | |
| 1655 public Boolean AllowSelectEmpty { get; set; } | |
| 1656 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1657 public event EventHandler SelectedIndexChanged; | |
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1658 public FBGDomainUpDown(IFBGContainerControl parent) : base(parent) { } |
| 23 | 1659 public void AddItem(Object item) { |
| 1660 items.Add(item); | |
| 1661 Invalidate(); | |
| 1662 } | |
| 1663 public void RemoveItem(Object item) { | |
| 1664 items.Remove(item); | |
| 1665 FixSelectedIndex(0); | |
| 1666 } | |
| 1667 public void RemoveItem(int index) { | |
| 1668 items.RemoveAt(index); | |
| 1669 FixSelectedIndex(0); | |
| 1670 } | |
| 1671 public int SelectedIndex { | |
| 1672 get { return selectedIndex; } | |
| 1673 set { | |
| 1674 if (value < -2 || value >= items.Count) throw new ArgumentOutOfRangeException("value", "Value must be between -1 and the number of items minus one"); | |
| 1675 if (selectedIndex == value) return; | |
| 1676 selectedIndex = value; | |
| 1677 Invalidate(); | |
| 1678 RaiseEvent(SelectedIndexChanged); | |
| 1679 } | |
| 1680 } | |
| 1681 public Object SelectedItem { | |
| 1682 get { return selectedIndex == -1 ? null : items[selectedIndex]; } | |
| 1683 set { | |
| 1684 if (value == null) { | |
| 1685 SelectedIndex = -1; | |
| 1686 } else { | |
| 1687 for (int i = 0; i < items.Count; i++) { | |
| 1688 if (items[i] == value) { | |
| 1689 SelectedIndex = i; | |
| 1690 break; | |
| 1691 } | |
| 1692 } | |
| 1693 } | |
| 1694 } | |
| 1695 } | |
|
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1696 protected override string SelectedText { |
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1697 get { |
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1698 if (selectedIndex == -1) return null; |
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1699 Object item = items[selectedIndex]; |
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1700 if (itemFormatter != null) return itemFormatter(item); |
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1701 if (item == null) return null; |
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1702 return item.ToString(); |
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1703 } |
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1704 } |
| 23 | 1705 private void FixSelectedIndex(int change) { |
| 1706 int value = selectedIndex; | |
| 1707 if (value == 0 && change == -1 && !AllowSelectEmpty) change = 0; | |
| 1708 value += change; | |
| 1709 if (value < -1) value = -1; | |
| 1710 if (value >= items.Count) value = items.Count - 1; | |
| 1711 SelectedIndex = value; | |
| 1712 } | |
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1713 protected override void ButtonPressDown() { |
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1714 FixSelectedIndex(1); |
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1715 } |
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1716 protected override void ButtonPressUp() { |
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1717 FixSelectedIndex(-1); |
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1718 } |
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1719 } |
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1720 public class FBGNumericUpDown : FBGUpDownControlBase { |
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1721 private int minimum = 0; |
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1722 private int maximum = 0; |
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1723 private int value = 0; |
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1724 public event EventHandler SelectedValueChanged; |
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1725 public FBGNumericUpDown(IFBGContainerControl parent) : base(parent) { } |
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1726 public int Value { |
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1727 get { return value; } |
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1728 set { if (this.value == value) return; this.value = value; Invalidate(); RaiseEvent(SelectedValueChanged); } |
| 23 | 1729 } |
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1730 public int Minimum { |
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1731 get { return minimum; } |
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1732 set { minimum = value; if (this.value < minimum) this.Value = minimum; } |
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1733 } |
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1734 public int Maximum { |
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1735 get { return maximum; } |
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1736 set { maximum = value; if (this.value > maximum) this.Value = maximum; } |
| 23 | 1737 } |
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1738 public int Step { get; set; } |
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1739 protected override string SelectedText { |
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1740 get { return value.ToString(); } |
| 23 | 1741 } |
|
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1742 protected override void ButtonPressDown() { |
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1743 Value = Math.Max(minimum, value - Step); |
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1744 } |
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1745 protected override void ButtonPressUp() { |
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1746 Value = Math.Min(maximum, value + Step); |
| 23 | 1747 } |
| 1748 } | |
| 1749 public interface IFBGTreeParent { | |
| 1750 FBGTreeView TreeView { get; } | |
| 1751 int Depth { get; } | |
| 1752 void AddChild(FBGTreeNode node); | |
| 1753 void RemoveChild(FBGTreeNode node); | |
| 1754 } | |
| 1755 public class FBGTreeNode : IFBGTreeParent { | |
| 1756 private List<FBGTreeNode> children = new List<FBGTreeNode>(); | |
| 1757 private Boolean expanded = true; | |
| 1758 private Boolean hasCheckBox = false; | |
| 1759 private Boolean isChecked = false; | |
| 1760 private Object item; | |
| 1761 | |
| 1762 public FBGTreeView TreeView { get; private set; } | |
| 1763 public int Depth { get; private set; } | |
| 1764 public Object Tag { get; set; } | |
| 1765 public IFBGTreeParent Parent { get; private set; } | |
| 1766 | |
| 1767 public IList<FBGTreeNode> Children { get { return children.AsReadOnly(); } } | |
| 1768 | |
| 1769 public Object Item { | |
| 1770 get { return item; } | |
| 1771 set { | |
| 1772 item = value; | |
| 1773 Invalidate(); | |
| 1774 } | |
| 1775 } | |
| 1776 public Boolean Expanded { | |
| 1777 get { return expanded; } | |
| 1778 set { | |
| 1779 if (expanded == value) return; | |
| 1780 expanded = value; | |
| 1781 UpdateTree(); | |
| 1782 } | |
| 1783 } | |
| 1784 public Boolean HasCheckBox { | |
| 1785 get { return hasCheckBox; } | |
| 1786 set { | |
| 1787 if (hasCheckBox == value) return; | |
| 1788 hasCheckBox = value; | |
| 1789 Invalidate(); | |
| 1790 } | |
| 1791 } | |
| 1792 public Boolean Checked { | |
| 1793 get { return isChecked; } | |
| 1794 set { | |
| 1795 if (isChecked == value) return; | |
| 1796 isChecked = value; | |
| 1797 Invalidate(); | |
| 1798 if (TreeView != null) TreeView.RaiseNodeCheckedChanged(this); | |
| 1799 } | |
| 1800 } | |
| 1801 | |
| 1802 public FBGTreeNode(IFBGTreeParent parent, Object item) { | |
| 1803 this.TreeView = parent.TreeView; | |
| 1804 this.Depth = parent.Depth + 1; | |
| 1805 this.Parent = parent; | |
| 1806 this.item = item; | |
| 1807 parent.AddChild(this); | |
| 1808 } | |
| 1809 | |
| 1810 public void Remove() { | |
| 1811 Parent.RemoveChild(this); | |
| 1812 } | |
| 1813 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1814 children.Add(node); | |
| 1815 if (Expanded) UpdateTree(); | |
| 1816 else Invalidate(); | |
| 1817 } | |
| 1818 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1819 children.Remove(node); | |
| 1820 TreeView.ReleaseNodeFromTree(node); | |
| 1821 if (Expanded) UpdateTree(); | |
| 1822 else Invalidate(); | |
| 1823 } | |
| 1824 public void Invalidate() { | |
| 1825 if (TreeView != null) TreeView.Invalidate(this); | |
| 1826 } | |
| 1827 private void UpdateTree() { | |
| 1828 if (TreeView != null) TreeView.UpdateView(); | |
| 1829 } | |
| 1830 public FBGTreeNode AddNode(Object item) { | |
| 1831 return new FBGTreeNode(this, item); | |
| 1832 } | |
| 1833 } | |
| 1834 public class FBGTreeView : FBGControl, IFBGTreeParent { | |
| 1835 private List<FBGTreeNode> items = new List<FBGTreeNode>(); | |
| 1836 private List<FBGTreeNode> itemsView = new List<FBGTreeNode>(); | |
| 1837 private FBGTreeNode selected = null; | |
| 1838 private FBGTreeNode highlighted = null; | |
| 1839 private Boolean hasScrollBar = false; | |
| 1840 private Boolean hitScrollBar = false; | |
| 1841 private int offset = 0; | |
| 1842 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1843 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1844 private Converter<Object, String> itemFormatter = null; | |
| 1845 | |
| 1846 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1847 public FBGTreeNode SelectedNode { get { return selected; } set { if (selected != value) { selected = value; Invalidate(); RaiseEvent(SelectedNodeChanged); } } } | |
| 1848 public IList<FBGTreeNode> Nodes { get { return items.AsReadOnly(); } } | |
| 1849 | |
| 1850 public event EventHandler SelectedNodeChanged; | |
| 1851 public event EventHandler NodeCheckedChanged; | |
| 1852 | |
| 1853 public FBGTreeView(IFBGContainerControl parent) : base(parent) { | |
| 1854 BackColor = Color.White; | |
| 1855 } | |
| 1856 FBGTreeView IFBGTreeParent.TreeView { get { return this; } } | |
| 1857 int IFBGTreeParent.Depth { get { return -1; } } | |
| 1858 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1859 items.Add(node); | |
| 1860 UpdateView(); | |
| 1861 } | |
| 1862 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1863 items.Remove(node); | |
| 1864 ReleaseNodeFromTree(node); | |
| 1865 UpdateView(); | |
| 1866 } | |
| 1867 public FBGTreeNode AddNode(Object item) { return new FBGTreeNode(this, item); } | |
| 1868 internal void ReleaseNodeFromTree(FBGTreeNode node) { | |
| 1869 if (highlighted == node) highlighted = null; | |
| 1870 if (selected == node) SelectedNode = null; | |
| 1871 } | |
| 1872 internal void RaiseNodeCheckedChanged(FBGTreeNode node) { | |
| 1873 RaiseEvent(NodeCheckedChanged); | |
| 1874 } | |
| 1875 internal void UpdateView() { | |
| 1876 List<FBGTreeNode> newView = new List<FBGTreeNode>(); | |
| 1877 Stack<Queue<FBGTreeNode>> stack = new Stack<Queue<FBGTreeNode>>(); | |
| 1878 stack.Push(new Queue<FBGTreeNode>(items)); | |
| 1879 while (stack.Count > 0) { | |
| 1880 Queue<FBGTreeNode> list = stack.Peek(); | |
| 1881 if (list.Count == 0) { | |
| 1882 stack.Pop(); | |
| 1883 continue; | |
| 1884 } | |
| 1885 FBGTreeNode item = list.Dequeue(); | |
| 1886 newView.Add(item); | |
| 1887 if (item.Expanded) stack.Push(new Queue<FBGTreeNode>(item.Children)); | |
| 1888 } | |
| 1889 itemsView = newView; | |
| 1890 Invalidate(); | |
| 1891 } | |
| 1892 internal void Invalidate(FBGTreeNode node) { | |
| 1893 int i = itemsView.IndexOf(node); | |
| 1894 if (i == -1) return; | |
| 1895 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1896 Invalidate(new Rectangle(1, i * lh, Bounds.Width - 1, lh)); | |
| 1897 } | |
| 1898 protected override void Paint(Graphics g) { | |
| 1899 base.Paint(g); | |
| 1900 | |
| 1901 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1902 int th = lh * itemsView.Count; | |
| 1903 hasScrollBar = offset > 0 || th + 2 > Bounds.Height; | |
| 1904 int y = 2; | |
| 1905 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1906 dottedpen.DashStyle = DashStyle.Dot; | |
| 1907 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1908 int lw = Bounds.Width - 2; | |
| 1909 if (hasScrollBar) lw -= 17; | |
| 1910 for (int i = offset; i < itemsView.Count; i++) { | |
| 1911 FBGTreeNode item = itemsView[i]; | |
| 1912 if (y + 2 < Bounds.Height) { | |
| 1913 Object obj = item.Item; | |
| 1914 String text = itemFormatter == null ? (obj == null ? String.Empty : obj.ToString()) : itemFormatter(obj); | |
| 1915 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, lw - 2, lh); | |
| 1916 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, lw - 3, lh - 1); | |
| 1917 int x = 3 + 19 * item.Depth + 14; | |
| 1918 if (item.HasCheckBox) { | |
| 1919 x += 2; | |
| 1920 ControlPaint.DrawCheckBox(g, x, y, lh, lh, item.Checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1921 x += lh + 1; | |
| 1922 } | |
| 1923 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(x, y, lw - x, lh), sf); | |
| 1924 } | |
| 1925 int upto = y + 2 + 4 - 8; | |
| 1926 for (int j = i - 1; j >= 0; j--) { | |
| 1927 if (itemsView[j].Depth < item.Depth) { | |
| 1928 break; | |
| 1929 } | |
| 1930 if (itemsView[j].Depth == item.Depth) { | |
| 1931 if (itemsView[j].Children.Count > 0) { | |
| 1932 upto = 2 + lh * (j - offset) + 10; | |
| 1933 } else { | |
| 1934 upto = 2 + lh * (j - offset) + 6; | |
| 1935 } | |
| 1936 break; | |
| 1937 } | |
| 1938 if (j <= offset) { | |
| 1939 upto = 2 + 2 + 4 - 8; | |
| 1940 break; | |
| 1941 } | |
| 1942 } | |
| 1943 if (item.Children.Count > 0) { | |
| 1944 g.DrawRectangle(Pens.Black, 3 + 19 * item.Depth, y + 2, 8, 8); | |
| 1945 g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 2, y + 2 + 4, 3 + 19 * item.Depth + 6, y + 2 + 4); | |
| 1946 if (!item.Expanded) g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 4, y + 4, 3 + 19 * item.Depth + 4, y + 2 + 6); | |
| 1947 | |
| 1948 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 8, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1949 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 6, 3 + 19 * item.Depth + 4, upto); | |
| 1950 } else { | |
| 1951 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1952 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 2, 3 + 19 * item.Depth + 4, upto); | |
| 1953 } | |
| 1954 y += lh; | |
| 1955 //if (y + lh + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1956 if (y + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1957 } | |
| 1958 } | |
| 1959 } | |
| 1960 //if (y < th) hasScrollBar = true; | |
| 1961 //hasScrollBar = true; | |
| 1962 if (hasScrollBar) { | |
| 1963 int xoff = Bounds.Width - 17; | |
| 1964 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1965 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1966 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1967 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 1968 g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (itemsView.Count - 1), 15, 20)); | |
| 1969 } | |
| 1970 | |
| 1971 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1972 } | |
| 1973 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1974 CaptureKeyboard(true); | |
| 1975 if ((buttons & MouseButtons.Left) != 0) { | |
| 1976 CaptureMouse(true); | |
| 1977 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1978 hitScrollBar = true; | |
| 1979 if (position.Y < 17) { | |
| 1980 offset--; | |
| 1981 buttonUpState = ButtonState.Pushed; | |
| 1982 } else if (position.Y > Bounds.Height - 17) { | |
| 1983 offset++; | |
| 1984 buttonDownState = ButtonState.Pushed; | |
| 1985 } else { | |
| 1986 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1987 } | |
| 1988 if (offset < 0) offset = 0; | |
| 1989 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 1990 Invalidate(); | |
| 1991 } else { | |
| 1992 MouseHandler(position, buttons, true); | |
| 1993 } | |
| 1994 } | |
| 1995 } | |
| 1996 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1997 if (hitScrollBar) { | |
| 1998 if (position.Y < 17) { | |
| 1999 } else if (position.Y > Bounds.Height - 17) { | |
| 2000 } else { | |
| 2001 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 2002 if (offset < 0) offset = 0; | |
| 2003 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 2004 Invalidate(); | |
| 2005 } | |
| 2006 return; | |
| 2007 } | |
| 2008 MouseHandler(position, buttons, false); | |
| 2009 } | |
| 2010 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 2011 if ((buttons & MouseButtons.Left) != 0) { | |
| 2012 CaptureMouse(false); | |
| 2013 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 2014 Invalidate(); | |
| 2015 if (hitScrollBar) { | |
| 2016 hitScrollBar = false; | |
| 2017 return; | |
| 2018 } | |
| 2019 } | |
| 2020 if (hitScrollBar) return; | |
| 2021 MouseHandler(position, buttons, false); | |
| 2022 } | |
| 2023 private void MouseHandler(Point position, MouseButtons buttons, Boolean down) { | |
| 2024 if ((buttons & MouseButtons.Left) != 0 && itemsView.Count > 0) { | |
| 2025 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 2026 int i = (position.Y - 2) / lh + offset; | |
| 2027 if (i < 0) i = 0; | |
| 2028 if (i >= itemsView.Count) i = itemsView.Count - 1; | |
| 2029 Boolean changed = false; | |
| 2030 FBGTreeNode current = itemsView[i]; | |
| 2031 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 2032 highlighted = current; | |
| 2033 if (current.Children.Count > 0 && (new Rectangle(3 + 19 * current.Depth, 2 + lh * (i - offset) + 2, 8, 8)).Contains(position)) { | |
| 2034 if (down) current.Expanded = !current.Expanded; | |
| 2035 } else if (current.HasCheckBox && (new Rectangle(3 + 19 * current.Depth + 14 + 2, 2 + lh * (i - offset), lh, lh)).Contains(position)) { | |
| 2036 if (down) current.Checked = !current.Checked; | |
| 2037 } else if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 2038 SelectedNode = current; | |
| 2039 changed = false; | |
| 2040 } | |
| 2041 if (changed) Invalidate(); | |
| 2042 } | |
| 2043 } | |
| 2044 protected override void KeyDown(Keys key) { | |
| 2045 base.KeyDown(key); | |
| 2046 if (key == Keys.Up) { | |
| 2047 int i = itemsView.IndexOf(selected); | |
| 2048 i--; | |
| 2049 if (i >= 0) SelectAndScrollIntoView(itemsView[i]); | |
| 2050 } else if (key == Keys.Down) { | |
| 2051 int i = itemsView.IndexOf(selected); | |
| 2052 i++; | |
| 2053 if (i < itemsView.Count) SelectAndScrollIntoView(itemsView[i]); | |
| 2054 } else if (key == Keys.Left && selected != null) { | |
| 2055 if (selected.Expanded && selected.Children.Count > 0) { | |
| 2056 selected.Expanded = false; | |
| 2057 } else { | |
| 2058 FBGTreeNode tn = selected.Parent as FBGTreeNode; | |
| 2059 if (tn != null) SelectAndScrollIntoView(tn); | |
| 2060 } | |
| 2061 } else if (key == Keys.Right && selected != null) { | |
| 2062 if (!selected.Expanded && selected.Children.Count > 0) { | |
| 2063 selected.Expanded = true; | |
| 2064 } else if (selected.Children.Count > 0) { | |
| 2065 SelectAndScrollIntoView(selected.Children[0]); | |
| 2066 } | |
| 2067 } else if (key == Keys.Space && selected != null) { | |
| 2068 if (selected.HasCheckBox) selected.Checked = !selected.Checked; | |
| 2069 } | |
| 2070 } | |
| 2071 private void SelectAndScrollIntoView(FBGTreeNode tn) { | |
| 2072 int i = itemsView.IndexOf(tn); | |
| 2073 if (i == -1) { | |
| 2074 for (FBGTreeNode tp = tn.Parent as FBGTreeNode; tp != null; tp = tp.Parent as FBGTreeNode) if (!tp.Expanded) tp.Expanded = true; | |
| 2075 i = itemsView.IndexOf(tn); | |
| 2076 } | |
| 2077 if (i != -1) { | |
| 2078 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 2079 if (i < offset) offset = i; | |
| 2080 offset = Math.Max(offset, i - Bounds.Height / lh + 1); | |
| 2081 } | |
| 2082 highlighted = tn; | |
| 2083 SelectedNode = tn; | |
| 2084 } | |
| 2085 } | |
| 2086 } |