Mercurial > hg > ucis.core
annotate FBGUI/FBGUI.cs @ 81:3352f89cf6f5
FBGUI ContainerControl fixes (client area, keyboard capture)
| author | Ivo Smits <Ivo@UCIS.nl> |
|---|---|
| date | Sun, 23 Feb 2014 16:56:42 +0100 |
| parents | 4e4c600031e2 |
| children | 4ca44dd25a6a |
| 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; |
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219 public virtual Rectangle ClientRectangle { get { return new Rectangle(Point.Empty, Bounds.Size); } } |
| 78 | 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 } | |
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235 public IList<IFBGControl> Controls { get { return controls.AsReadOnly(); } } |
| 23 | 236 public virtual Point PointToChild(IFBGControl child, Point point) { |
| 237 return point - (Size)child.Bounds.Location - (Size)ClientRectangle.Location; | |
| 238 } | |
| 239 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 240 return point + (Size)child.Bounds.Location + (Size)ClientRectangle.Location; | |
| 241 } | |
| 242 public virtual void BringControlToFront(IFBGControl control) { | |
| 243 if (controls.Count == 0) return; | |
| 244 if (ReferenceEquals(controls[controls.Count - 1], control)) return; | |
| 245 if (!controls.Remove(control)) return; | |
| 246 controls.Add(control); | |
| 247 if (control.Visible) Invalidate(control); | |
| 248 } | |
| 249 public virtual void Invalidate(IFBGControl control) { | |
| 250 Invalidate(new Rectangle(PointFromChild(control, Point.Empty), control.Bounds.Size)); | |
| 251 } | |
| 252 public virtual void Invalidate(IFBGControl control, Rectangle rect) { | |
| 253 Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); | |
| 254 } | |
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255 protected override void HandlePaintEvent(FBGPaintEvent e) { |
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256 base.HandlePaintEvent(e); |
| 23 | 257 GraphicsState state2 = null; |
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258 Graphics g = e.Canvas; |
| 78 | 259 Rectangle childarea = ClientRectangle; |
| 260 if (childarea.X != 0 || childarea.Y != 0 || childarea.Width != Bounds.Width || childarea.Height != Bounds.Height) { | |
| 23 | 261 state2 = g.Save(); |
| 262 g.TranslateTransform(childarea.X, childarea.Y, MatrixOrder.Append); | |
| 263 g.IntersectClip(new Rectangle(Point.Empty, childarea.Size)); | |
| 264 } | |
| 265 foreach (IFBGControl control in controls) { | |
| 266 if (!control.Visible) continue; | |
| 267 if (control.Bounds.Width <= 0 || control.Bounds.Height <= 0) continue; | |
| 268 if (!g.ClipBounds.IntersectsWith((RectangleF)control.Bounds)) continue; | |
| 269 GraphicsState state = g.Save(); | |
| 270 g.TranslateTransform(control.Bounds.X, control.Bounds.Y, MatrixOrder.Append); | |
| 271 g.IntersectClip(new Rectangle(Point.Empty, control.Bounds.Size)); | |
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272 control.HandleEvent(e); |
| 23 | 273 g.Restore(state); |
| 274 } | |
| 275 if (state2 != null) g.Restore(state2); | |
| 276 } | |
| 277 public IFBGControl FindControlAtPosition(Point p) { | |
| 78 | 278 Rectangle childarea = ClientRectangle; |
| 279 if (!childarea.Contains(p)) return null; | |
| 23 | 280 p.Offset(-childarea.X, -childarea.Y); |
| 281 return ((List<IFBGControl>)controls).FindLast(delegate(IFBGControl control) { return control.Visible && control.Bounds.Contains(p); }); | |
| 282 } | |
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283 protected override void HandlePointingEvent(FBGPointingEvent e) { |
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284 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(e.Position); |
| 23 | 285 if (control == null) { |
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286 base.HandlePointingEvent(e); |
| 23 | 287 } else { |
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288 if (Cursor != null) e.Cursor = Cursor; |
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289 e.Position = PointToChild(control, e.Position); |
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290 control.HandleEvent(e); |
| 23 | 291 } |
| 292 } | |
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293 void IFBGContainerControl.HandleMessage(IFBGControl sender, FBGMessage e) { |
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294 HandleMessage(sender, e); |
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295 } |
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296 protected virtual void HandleMessage(IFBGControl sender, FBGMessage e) { |
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297 if (e is FBGPointingCaptureMessage) HandlePointingCaptureMessage(sender, (FBGPointingCaptureMessage)e); |
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298 else if (e is FBGKeyboardCaptureMessage) HandleKeyboardCaptureMessage(sender, (FBGKeyboardCaptureMessage)e); |
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299 else if (e is FBGInvalidateMessage) HandleInvalidateMessage(sender, (FBGInvalidateMessage)e); |
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300 } |
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301 protected virtual void HandleInvalidateMessage(IFBGControl sender, FBGInvalidateMessage e) { |
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302 e.Area = new Rectangle(PointFromChild(sender, e.Area.Location), e.Area.Size); |
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303 Parent.HandleMessage(this, e); |
| 23 | 304 } |
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305 protected virtual void HandlePointingCaptureMessage(IFBGControl sender, FBGPointingCaptureMessage e) { |
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306 if (e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; |
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307 else if (!e.Capture && !ReferenceEquals(mouseCaptureControl, sender)) e.Capture = false; |
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308 else { |
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309 Parent.HandleMessage(this, e); |
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310 mouseCaptureControl = e.Capture ? sender : null; |
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311 } |
| 23 | 312 } |
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313 protected override void HandleKeyboardEvent(FBGKeyboardEvent e) { |
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314 if (ReferenceEquals(keyboardCaptureControl, null)) base.HandleKeyboardEvent(e); |
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315 else keyboardCaptureControl.HandleEvent(e); |
| 23 | 316 } |
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317 protected virtual void HandleKeyboardCaptureMessage(IFBGControl sender, FBGKeyboardCaptureMessage e) { |
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318 if (!e.Capture && !(ReferenceEquals(keyboardCaptureControl, null) || ReferenceEquals(keyboardCaptureControl, sender))) e.Capture = false; |
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319 else { |
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320 Parent.HandleMessage(this, e); |
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321 IFBGControl prev = keyboardCaptureControl; |
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322 keyboardCaptureControl = e.Capture ? sender : null; |
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323 if (prev != null && prev != sender) prev.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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324 } |
| 23 | 325 } |
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326 protected override void HandleKeyboardCaptureEvent(FBGKeyboardCaptureEvent e) { |
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327 if (keyboardCaptureControl != null) keyboardCaptureControl.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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328 base.HandleKeyboardCaptureEvent(e); |
| 23 | 329 } |
| 330 protected override void Orphaned() { | |
| 331 base.Orphaned(); | |
| 332 IFBGControl[] c = controls.ToArray(); | |
| 333 controls.Clear(); | |
| 334 foreach (IFBGControl control in c) control.Orphaned(); | |
| 335 mouseCaptureControl = null; | |
| 336 keyboardCaptureControl = null; | |
| 337 } | |
| 338 } | |
| 339 public class FBGDockContainer : FBGContainerControl { | |
| 340 private Dictionary<IFBGControl, DockStyle> dockStyles = new Dictionary<IFBGControl, DockStyle>(); | |
| 341 private Dictionary<IFBGControl, AnchorStyles> anchorStyles = new Dictionary<IFBGControl, AnchorStyles>(); | |
| 342 private Rectangle oldBounds; | |
| 343 public FBGDockContainer(IFBGContainerControl parent) | |
| 344 : base(parent) { | |
| 345 oldBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 346 } | |
| 347 protected override void AddControl(IFBGControl control) { | |
| 348 base.AddControl(control); | |
| 349 } | |
| 350 public override void BringControlToFront(IFBGControl control) { | |
| 351 base.BringControlToFront(control); | |
| 352 if (dockStyles.ContainsKey(control)) DoLayout(); | |
| 353 } | |
| 354 public override void RemoveControl(IFBGControl control) { | |
| 355 base.RemoveControl(control); | |
| 356 if (dockStyles.Remove(control)) DoLayout(); | |
| 357 } | |
| 358 public override Rectangle Bounds { | |
| 359 get { return base.Bounds; } | |
| 360 set { | |
| 361 base.Bounds = value; | |
| 362 DoLayout(); | |
| 363 Rectangle newBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 364 foreach (KeyValuePair<IFBGControl, AnchorStyles> c in anchorStyles) { | |
| 365 Rectangle b = c.Key.Bounds; | |
| 366 if ((c.Value & AnchorStyles.Right) != 0) { | |
| 367 if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.Width - oldBounds.Width; | |
| 368 else b.Width += newBounds.Width - oldBounds.Width; | |
| 369 } else if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.X - oldBounds.X; | |
| 370 if ((c.Value & AnchorStyles.Bottom) != 0) { | |
| 371 if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Height - oldBounds.Height; | |
| 372 else b.Height += newBounds.Height - oldBounds.Height; | |
| 373 } else if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Y - oldBounds.Y; | |
| 374 c.Key.Bounds = b; | |
| 375 } | |
| 376 oldBounds = newBounds; | |
| 377 } | |
| 378 } | |
| 379 public DockStyle GetDockStyle(IFBGControl control) { | |
| 380 DockStyle ds; | |
| 381 if (!dockStyles.TryGetValue(control, out ds)) ds = DockStyle.None; | |
| 382 return ds; | |
| 383 } | |
| 384 public void SetDockStyle(IFBGControl control, DockStyle style) { | |
| 385 if (style == DockStyle.None) { | |
| 386 if (dockStyles.Remove(control)) DoLayout(); | |
| 387 } else if (controls.Contains(control)) { | |
| 388 anchorStyles.Remove(control); | |
| 389 dockStyles[control] = style; | |
| 390 DoLayout(); | |
| 391 } | |
| 392 } | |
| 393 public AnchorStyles GetAnchorStyle(IFBGControl control) { | |
| 394 AnchorStyles ds; | |
| 395 if (!anchorStyles.TryGetValue(control, out ds)) ds = AnchorStyles.Left | AnchorStyles.Top; | |
| 396 return ds; | |
| 397 } | |
| 398 public void SetAnchorStyle(IFBGControl control, AnchorStyles style) { | |
| 399 if (style == (AnchorStyles.Left | AnchorStyles.Top)) { | |
| 400 anchorStyles.Remove(control); | |
| 401 } else if (controls.Contains(control)) { | |
| 402 dockStyles.Remove(control); | |
| 403 anchorStyles[control] = style; | |
| 404 } | |
| 405 } | |
| 406 public void SetAnchor(IFBGControl control, AnchorStyles style, int value) { | |
| 407 if (controls.Contains(control)) { | |
| 408 AnchorStyles oldstyle; | |
| 409 if (!anchorStyles.TryGetValue(control, out oldstyle)) oldstyle = AnchorStyles.Left | AnchorStyles.Top; | |
| 410 Rectangle b = control.Bounds; | |
| 411 switch (style) { | |
| 412 case AnchorStyles.None: throw new ArgumentException("style", "Anchor style can not be None"); | |
| 413 case AnchorStyles.Left: b.X = value; break; | |
| 414 case AnchorStyles.Top: b.Y = value; break; | |
| 415 case AnchorStyles.Right: | |
| 416 if ((oldstyle & AnchorStyles.Left) == 0) b.X = ClientRectangle.Width - b.Width - value; | |
| 417 else b.Width = ClientRectangle.Width - b.X - value; | |
| 418 break; | |
| 419 case AnchorStyles.Bottom: | |
| 420 if ((oldstyle & AnchorStyles.Top) == 0) b.Y = ClientRectangle.Height - b.Height - value; | |
| 421 else b.Height = ClientRectangle.Height - b.Y - value; | |
| 422 break; | |
| 423 default: throw new ArgumentOutOfRangeException("style", "The value vor the style argument is invalid"); | |
| 424 } | |
| 425 control.Bounds = b; | |
| 426 dockStyles.Remove(control); | |
| 427 anchorStyles[control] = oldstyle | style; | |
| 428 } | |
| 429 } | |
| 430 private void DoLayout() { | |
| 431 Rectangle a = new Rectangle(Point.Empty, ClientRectangle.IsEmpty ? Bounds.Size : ClientRectangle.Size); | |
| 432 foreach (KeyValuePair<IFBGControl, DockStyle> c in dockStyles) { | |
| 433 Rectangle b = c.Key.Bounds; | |
| 434 if (c.Value == DockStyle.Left) { | |
| 435 b.Location = a.Location; | |
| 436 b.Height = a.Height; | |
| 437 a.X += b.Width; | |
| 438 a.Width -= b.Width; | |
| 439 } else if (c.Value == DockStyle.Top) { | |
| 440 b.Location = a.Location; | |
| 441 b.Width = a.Width; | |
| 442 a.Y += b.Height; | |
| 443 a.Height -= b.Height; | |
| 444 } else if (c.Value == DockStyle.Right) { | |
| 445 b.X = a.X + a.Width - b.Width; | |
| 446 b.Y = a.Y; | |
| 447 b.Height = a.Height; | |
| 448 a.Width -= b.Width; | |
| 449 } else if (c.Value == DockStyle.Bottom) { | |
| 450 b.X = a.X; | |
| 451 b.Y = a.Y + a.Height - b.Height; | |
| 452 b.Width = a.Width; | |
| 453 a.Height -= b.Height; | |
| 454 } else if (c.Value == DockStyle.Fill) { | |
| 455 b = a; | |
| 456 } | |
| 457 c.Key.Bounds = b; | |
| 458 if (a.Width < 0) a.Width = 0; | |
| 459 if (a.Height < 0) a.Height = 0; | |
| 460 } | |
| 461 } | |
| 462 } | |
| 463 public class FBGGroupBox : FBGDockContainer { | |
| 464 private String text = String.Empty; | |
| 78 | 465 public override Rectangle ClientRectangle { get { return new Rectangle(1, 15, Bounds.Width - 2, Bounds.Height - 17); } } |
| 466 public FBGGroupBox(IFBGContainerControl parent) : base(parent) { } | |
| 23 | 467 public String Text { get { return text; } set { if (text == value) return; text = value; Invalidate(new Rectangle(0, 0, Bounds.Width, 15)); } } |
| 468 protected override void Paint(Graphics g) { | |
| 469 base.Paint(g); | |
| 470 SizeF ss = g.MeasureString(Text, SystemFonts.DefaultFont, new Size(Bounds.Width - 10 - 9, 15)); | |
| 78 | 471 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 | 472 g.DrawString(Text, SystemFonts.DefaultFont, Brushes.DarkBlue, new Rectangle(9, 0, Bounds.Width - 10 - 9, 15)); |
| 473 } | |
| 474 } | |
| 78 | 475 [System.ComponentModel.DesignerCategory("")] |
| 23 | 476 public class WinFormsFBGHost : Control, IFBGContainerControl { |
| 477 private IFBGControl childControl = null; | |
| 478 private IFBGControl mouseCaptureControl = null; | |
| 479 private IFBGControl keyboardCaptureControl = null; | |
| 480 public IFBGControl ChildControl { get { return childControl; } } | |
| 481 | |
| 482 public WinFormsFBGHost() { | |
| 483 DoubleBuffered = true; | |
| 484 } | |
| 485 | |
| 486 public virtual Point PointToChild(IFBGControl child, Point point) { | |
| 487 return point - (Size)child.Bounds.Location; | |
| 488 } | |
| 489 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 490 return point + (Size)child.Bounds.Location; | |
| 491 } | |
| 492 | |
| 493 void IFBGContainerControl.AddControl(IFBGControl control) { | |
| 494 if (!ReferenceEquals(childControl, null)) throw new InvalidOperationException("This container can have only one child control"); | |
| 495 childControl = control; | |
| 496 control.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 497 Invalidate(control.Bounds); | |
| 498 } | |
| 499 void IFBGContainerControl.RemoveControl(IFBGControl control) { | |
| 500 if (!ReferenceEquals(childControl, control)) return; | |
| 501 childControl = null; | |
| 502 Invalidate(control.Bounds); | |
| 503 if (mouseCaptureControl == control) mouseCaptureControl = null; | |
| 504 if (keyboardCaptureControl == control) control = null; | |
| 505 control.Orphaned(); | |
| 506 } | |
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507 void IFBGContainerControl.HandleMessage(IFBGControl sender, FBGMessage e) { |
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508 if (e is FBGInvalidateMessage) { |
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509 FBGInvalidateMessage p = (FBGInvalidateMessage)e; |
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510 Invalidate(new Rectangle(PointFromChild(sender, p.Area.Location), p.Area.Size)); |
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511 } else if (e is FBGPointingCaptureMessage) { |
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512 FBGPointingCaptureMessage p = (FBGPointingCaptureMessage)e; |
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513 if (p.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) p.Capture = false; |
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514 else if (!p.Capture && !ReferenceEquals(mouseCaptureControl, sender)) p.Capture = false; |
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515 else mouseCaptureControl = p.Capture ? sender : null; |
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516 } else if (e is FBGKeyboardCaptureMessage) { |
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517 FBGKeyboardCaptureMessage p = (FBGKeyboardCaptureMessage)e; |
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518 if (!p.Capture && !ReferenceEquals(keyboardCaptureControl, sender)) p.Capture = false; |
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519 else keyboardCaptureControl = p.Capture ? sender : null; |
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520 } |
| 23 | 521 } |
| 522 | |
| 523 protected override void OnPaint(PaintEventArgs e) { | |
| 524 base.OnPaint(e); | |
| 525 Graphics g = e.Graphics; | |
| 526 GraphicsState state = g.Save(); | |
| 527 g.SetClip(e.ClipRectangle); | |
| 528 if (ReferenceEquals(childControl, null)) return; | |
| 529 if (childControl.Bounds.Width <= 0 || childControl.Bounds.Height <= 0) return; | |
| 530 if (!g.ClipBounds.IntersectsWith((RectangleF)childControl.Bounds)) return; | |
| 531 g.TranslateTransform(childControl.Bounds.X, childControl.Bounds.Y, MatrixOrder.Append); | |
| 532 g.IntersectClip(new Rectangle(Point.Empty, childControl.Bounds.Size)); | |
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533 childControl.HandleEvent(new FBGPaintEvent(g)); |
| 23 | 534 g.Restore(state); |
| 535 } | |
| 536 protected override void OnResize(EventArgs e) { | |
| 537 if (!ReferenceEquals(childControl, null)) childControl.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 538 base.OnResize(e); | |
| 539 } | |
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540 void DispatchMouseEvent(MouseEventArgs e, FBGPointingEventType type) { |
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541 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; |
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542 if (control != null) control.HandleEvent(new FBGPointingEvent(e.Location, e.Button, type)); |
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543 } |
| 23 | 544 protected override void OnMouseDown(MouseEventArgs e) { |
| 545 base.OnMouseDown(e); | |
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546 DispatchMouseEvent(e, FBGPointingEventType.ButtonDown); |
| 23 | 547 } |
| 548 protected override void OnMouseUp(MouseEventArgs e) { | |
| 549 base.OnMouseUp(e); | |
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550 DispatchMouseEvent(e, FBGPointingEventType.ButtonUp); |
| 23 | 551 } |
| 552 protected override void OnMouseMove(MouseEventArgs e) { | |
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553 DispatchMouseEvent(e, FBGPointingEventType.Move); |
| 23 | 554 } |
| 555 protected override bool IsInputChar(char charCode) { | |
| 556 return true; | |
| 557 } | |
| 558 protected override bool IsInputKey(Keys keyData) { | |
| 559 return true; | |
| 560 } | |
| 561 protected override void OnKeyDown(KeyEventArgs e) { | |
| 562 //base.OnKeyDown(e); | |
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563 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(e.KeyData, Char.MinValue, true)); |
| 23 | 564 } |
| 565 protected override void OnKeyPress(KeyPressEventArgs e) { | |
| 566 //base.OnKeyPress(e); | |
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567 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(Keys.None, e.KeyChar, true)); |
| 23 | 568 } |
| 569 protected override void OnKeyUp(KeyEventArgs e) { | |
| 570 //base.OnKeyUp(e); | |
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571 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(e.KeyData, Char.MinValue, false)); |
| 23 | 572 } |
| 573 protected override void OnHandleDestroyed(EventArgs e) { | |
| 574 if (!ReferenceEquals(childControl, null)) childControl.Orphaned(); | |
| 575 base.OnHandleDestroyed(e); | |
| 576 } | |
| 577 } | |
| 578 public class FBGCursor { | |
| 579 public Image Image { get; private set; } | |
| 580 public Point Hotspot { get; private set; } | |
| 581 public Size Size { get; private set; } | |
| 582 public FBGCursor(Image image, Point hotspot) { | |
| 583 this.Image = image; | |
| 584 this.Hotspot = hotspot; | |
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585 this.Size = image == null ? Size.Empty : image.Size; |
| 23 | 586 } |
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587 public Rectangle Area { get { return new Rectangle(-Hotspot.X, -Hotspot.Y, Size.Width, Size.Height); } } |
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588 public FBGCursor RotateFlip(RotateFlipType type) { |
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589 if (Image == null) return this; |
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590 Image img = new Bitmap(Image); |
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591 img.RotateFlip(type); |
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592 Point hs = Hotspot; |
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593 switch (type) { |
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594 case RotateFlipType.RotateNoneFlipNone: break; |
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595 case RotateFlipType.Rotate90FlipNone: hs = new Point(img.Width - hs.Y, hs.X); break; |
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596 case RotateFlipType.Rotate180FlipNone: hs = new Point(img.Width - hs.X, img.Height - hs.Y); break; |
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597 case RotateFlipType.Rotate270FlipNone: hs = new Point(hs.Y, img.Height - hs.X); break; |
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598 case RotateFlipType.RotateNoneFlipX: hs.X = img.Width - hs.X; break; |
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599 case RotateFlipType.Rotate90FlipX: hs = new Point(hs.Y, hs.X); break; |
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600 case RotateFlipType.RotateNoneFlipY: hs.Y = img.Height - hs.Y; break; |
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601 case RotateFlipType.Rotate90FlipY: hs = new Point(img.Width - hs.Y, img.Height - hs.X); break; |
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602 } |
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603 return new FBGCursor(img, hs); |
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604 } |
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605 public static FBGCursor FromBase64Image(String data, Point hotspot) { |
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606 return new FBGCursor(Image.FromStream(new MemoryStream(Convert.FromBase64String(data))), hotspot); |
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607 } |
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608 private static FBGCursor LoadFromResource(String name, int hotX, int hotY) { |
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609 using (Stream s = Assembly.GetExecutingAssembly().GetManifestResourceStream("UCIS.FBGUI." + name + ".png")) { |
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610 return new FBGCursor(Image.FromStream(s), new Point(hotX, hotY)); |
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611 } |
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612 } |
| 23 | 613 |
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614 public static readonly FBGCursor None = new FBGCursor(null, Point.Empty); |
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615 public static readonly FBGCursor Arrow = LoadFromResource("cursor_arrow", 0, 0); |
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616 public static readonly FBGCursor Move = LoadFromResource("cursor_move", 8, 8); |
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617 public static readonly FBGCursor SizeLeft = LoadFromResource("cursor_left", 1, 10); |
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618 public static readonly FBGCursor SizeRight = SizeLeft.RotateFlip(RotateFlipType.RotateNoneFlipX); |
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619 public static readonly FBGCursor SizeTop = SizeLeft.RotateFlip(RotateFlipType.Rotate90FlipNone); |
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620 public static readonly FBGCursor SizeBottom = SizeLeft.RotateFlip(RotateFlipType.Rotate90FlipY); |
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621 public static readonly FBGCursor SizeTopLeft = LoadFromResource("cursor_topleft", 1, 1); |
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622 public static readonly FBGCursor SizeTopRight = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipX); |
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623 public static readonly FBGCursor SizeBottomLeft = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipY); |
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624 public static readonly FBGCursor SizeBottomRight = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipXY); |
| 40 | 625 public static readonly FBGCursor Hand = LoadFromResource("cursor_hand", 5, 0); |
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626 public static FBGCursor ArrowCursor { get { return Arrow; } } |
| 23 | 627 } |
| 628 public class FBGRenderer : FBGContainerControl, IDisposable { | |
| 629 private FBGCursor cursor = null; | |
| 630 private Point cursorposition = Point.Empty; | |
| 631 public IFramebuffer Framebuffer { get; private set; } | |
|
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632 private Bitmap Frontbuffer = null; |
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633 protected Object RenderLock = new object(); |
| 23 | 634 public event EventHandler<InvalidateEventArgs> Painted; |
|
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635 protected Size size = Size.Empty; |
| 23 | 636 private ThreadingTimer PaintTimer = null; |
| 637 private Boolean PaintScheduled = false; | |
| 638 private int PaintDelay = 0; | |
| 639 public Boolean SuspendDrawing { | |
| 640 get { return suspenddrawing; } | |
| 641 set { | |
| 642 lock (RenderLock) { | |
| 643 suspenddrawing = value; | |
| 644 if (!value) { | |
| 645 Refresh(DirtyRectangle); | |
| 646 DirtyRectangle = Rectangle.Empty; | |
| 647 } | |
| 648 } | |
| 649 } | |
| 650 } | |
| 651 public int RedrawDelay { | |
| 652 get { return PaintDelay; } | |
| 653 set { | |
| 654 lock (RenderLock) { | |
| 655 if (value < 0) throw new ArgumentOutOfRangeException("value"); | |
| 656 PaintDelay = value; | |
| 657 if (PaintDelay == 0) { | |
| 658 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 659 PaintTimer = null; | |
| 660 if (PaintScheduled) PaintTimerCallback(null); | |
| 661 } else { | |
| 662 PaintTimer = new ThreadingTimer(PaintTimerCallback); | |
| 663 } | |
| 664 } | |
| 665 } | |
| 666 } | |
| 667 private Boolean suspenddrawing = false; | |
| 668 private Rectangle DirtyRectangle; | |
| 669 | |
| 670 public Point CursorPosition { | |
| 671 get { return cursorposition; } | |
|
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672 set { UpdateCursor(value, cursor); } |
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673 } |
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674 protected void UpdateCursor(Point position, FBGCursor cursor) { |
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675 if (cursorposition == position && cursor == this.cursor) return; |
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676 Rectangle r1 = Rectangle.Empty; |
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677 if (this.cursor != null) { |
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678 r1 = this.cursor.Area; |
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679 r1.Offset(cursorposition); |
| 23 | 680 } |
|
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681 if (cursor != null) { |
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682 Rectangle r2 = cursor.Area; |
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683 r2.Offset(position); |
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684 r1 = r1.IsEmpty ? r2 : Rectangle.Union(r1, r2); |
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685 } |
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686 this.cursor = cursor; |
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687 cursorposition = position; |
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688 Invalidate(r1); |
| 23 | 689 } |
| 690 public override Rectangle Bounds { | |
| 691 get { return new Rectangle(Point.Empty, size); } | |
| 692 set { throw new NotSupportedException("Can not change the top control bounds"); } | |
| 693 } | |
| 694 public FBGRenderer(IFramebuffer fb) : this(fb.Width, fb.Height) { | |
| 695 Framebuffer = fb; | |
| 696 } | |
| 697 public FBGRenderer(Size fbsize) : this(fbsize.Width, fbsize.Height) { } | |
| 698 public FBGRenderer(int width, int height) : this(new Bitmap(width, height, PixelFormat.Format32bppRgb)) { } | |
| 699 public FBGRenderer(Bitmap bmp) : base(null) { | |
| 700 Frontbuffer = bmp; | |
| 701 BackColor = SystemColors.Control; | |
| 702 size = Frontbuffer.Size; | |
| 703 } | |
|
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704 protected FBGRenderer() : base(null) { |
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705 BackColor = SystemColors.Control; |
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706 } |
|
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707 protected override void HandleInvalidateMessage(IFBGControl sender, FBGInvalidateMessage e) { |
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708 e.Area = new Rectangle(PointFromChild(sender, e.Area.Location), e.Area.Size); |
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709 Invalidate(e.Area); |
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710 } |
| 23 | 711 public override void Invalidate(Rectangle rect) { |
| 712 if (rect.Width == 0 || rect.Height == 0) return; | |
| 713 lock (RenderLock) { | |
| 714 if (SuspendDrawing || PaintTimer != null) { | |
| 715 DirtyRectangle = DirtyRectangle.IsEmpty ? rect : Rectangle.Union(DirtyRectangle, rect); | |
| 716 if (!SuspendDrawing && !PaintScheduled) { | |
| 717 PaintScheduled = true; | |
| 718 PaintTimer.Change(PaintDelay, Timeout.Infinite); | |
| 719 } | |
| 720 } else { | |
| 721 Refresh(rect); | |
| 722 } | |
| 723 } | |
| 724 } | |
| 725 private void PaintTimerCallback(Object state) { | |
| 726 try { | |
| 727 lock (RenderLock) { | |
| 728 PaintScheduled = false; | |
| 729 Refresh(DirtyRectangle); | |
| 730 DirtyRectangle = Rectangle.Empty; | |
| 731 } | |
|
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732 } catch (Exception ex) { |
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733 Debug.WriteLine(ex); |
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734 Console.Error.WriteLine(ex); |
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735 } |
| 23 | 736 } |
|
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737 protected virtual void Refresh(Rectangle rect) { |
| 23 | 738 lock (RenderLock) { |
| 739 rect.Intersect(Bounds); | |
| 740 if (rect.Width == 0 || rect.Height == 0) return; | |
|
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741 if (Frontbuffer != null) { |
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742 using (Graphics g = Graphics.FromImage(Frontbuffer)) { |
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743 g.SetClip(rect); |
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744 Paint(g); |
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745 } |
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746 if (Framebuffer != null) Framebuffer.DrawImage(Frontbuffer, rect, rect.Location); |
| 23 | 747 } |
| 748 RaiseEvent(Painted, new InvalidateEventArgs(rect)); | |
| 749 } | |
| 750 } | |
|
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751 public virtual new void Paint(Graphics g) { |
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752 HandleEvent(new FBGPaintEvent(g)); |
|
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753 if (cursor != null && cursor.Image != null) { |
| 42 | 754 Rectangle r = cursor.Area; |
| 755 r.Offset(cursorposition); | |
| 756 g.DrawImage(cursor.Image, r); | |
| 23 | 757 } |
| 758 } | |
|
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759 protected override void HandlePointingCaptureMessage(IFBGControl sender, FBGPointingCaptureMessage e) { |
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760 if (e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; |
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761 else if (!e.Capture && !ReferenceEquals(mouseCaptureControl, sender)) e.Capture = false; |
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762 else mouseCaptureControl = e.Capture ? sender : null; |
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763 } |
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764 protected override void HandleKeyboardCaptureMessage(IFBGControl sender, FBGKeyboardCaptureMessage e) { |
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765 if (!e.Capture && !ReferenceEquals(keyboardCaptureControl, sender)) e.Capture = false; |
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766 else { |
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767 IFBGControl prev = keyboardCaptureControl; |
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768 keyboardCaptureControl = e.Capture ? sender : null; |
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769 if (prev != null && prev != sender) prev.HandleEvent(new FBGKeyboardCaptureEvent(false)); |
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770 } |
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771 } |
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772 |
| 23 | 773 protected override Boolean CaptureMouse(Boolean capture) { |
| 774 return true; | |
| 775 } | |
| 776 protected override Boolean CaptureKeyboard(bool capture) { | |
| 777 return true; | |
| 778 } | |
|
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779 public virtual void Dispose() { |
| 23 | 780 lock (RenderLock) { |
| 781 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 782 PaintTimer = null; | |
| 783 } | |
| 784 Orphaned(); | |
|
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785 lock (RenderLock) { |
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786 if (Frontbuffer != null) Frontbuffer.Dispose(); |
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787 Frontbuffer = null; |
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788 } |
| 23 | 789 } |
| 790 public Bitmap LockBitmapBuffer() { | |
| 791 Monitor.Enter(RenderLock); | |
| 792 return Frontbuffer; | |
| 793 } | |
| 794 public void UnlockBitmapBuffer() { | |
| 795 Monitor.Exit(RenderLock); | |
| 796 } | |
|
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797 void DispatchPointingEvent(Point position, MouseButtons buttons, FBGPointingEventType type) { |
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798 FBGPointingEvent e = new FBGPointingEvent(position, buttons, type); |
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799 HandleEvent(e); |
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800 UpdateCursor(cursorposition, e.Cursor); |
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801 } |
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802 public new void MouseMove(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.Move); } |
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803 public new void MouseDown(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.ButtonDown); } |
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804 public new void MouseUp(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.ButtonUp); } |
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805 public new void KeyDown(Keys key) { KeyDown(key, Char.MinValue); } |
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806 public new void KeyPress(Char key) { KeyDown(Keys.None, key); } |
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807 public new void KeyUp(Keys key) { KeyUp(key, Char.MinValue); } |
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808 public void KeyDown(Keys key, Char keyChar) { HandleEvent(new FBGKeyboardEvent(key, keyChar, true)); } |
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809 public void KeyUp(Keys key, Char keyChar) { HandleEvent(new FBGKeyboardEvent(key, keyChar, false)); } |
| 23 | 810 } |
| 811 public class FBGForm : FBGDockContainer { | |
| 812 private Point prevPosition = Point.Empty; | |
| 813 private NonClientOps moveresize = 0; | |
| 814 private String text = String.Empty; | |
| 815 public event EventHandler TextChanged; | |
| 31 | 816 public event EventHandler Closed; |
| 23 | 817 public Boolean Sizable { get; set; } |
| 818 public Boolean Movable { get; set; } | |
| 819 public Boolean Closable { get; set; } | |
| 820 [Flags] | |
| 821 private enum NonClientOps : int { | |
| 822 None = 0, | |
| 823 Move = 1, | |
| 824 ResizeLeft = 2, | |
| 825 ResizeRight = 4, | |
| 826 ResizeTop = 8, | |
| 827 ResizeBottom = 16, | |
| 828 ButtonClose = 32, | |
| 829 MoveResize = ResizeLeft | ResizeRight | ResizeBottom | ResizeTop | Move, | |
| 830 } | |
| 78 | 831 public override Rectangle ClientRectangle { get { return new Rectangle(4, 22, Bounds.Width - 8, Bounds.Height - 26); } } |
| 23 | 832 public FBGForm(IFBGContainerControl parent) : base(parent) { |
| 833 BackColor = SystemColors.Control; | |
| 834 Sizable = true; | |
| 835 Movable = true; | |
| 836 Closable = false; | |
| 837 } | |
| 838 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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839 private NonClientOps GetNonClientOperation(Point p) { |
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840 if ((new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(p)) return NonClientOps.ButtonClose; |
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841 NonClientOps mr = 0; |
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842 if (Sizable) { |
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843 if (Movable) { |
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844 if (p.X < 4) mr |= NonClientOps.ResizeLeft; |
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845 if (p.Y < 4) mr |= NonClientOps.ResizeTop; |
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846 } |
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847 if (p.X >= Bounds.Width - 4) mr |= NonClientOps.ResizeRight; |
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848 if (p.Y >= Bounds.Height - 4) mr |= NonClientOps.ResizeBottom; |
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849 } |
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850 if (mr == 0 && Movable && p.Y < 20) mr = NonClientOps.Move; |
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851 return mr; |
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852 } |
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853 private void SetCursorForNonClientOperation(NonClientOps op, FBGPointingEvent e) { |
|
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854 switch (op & NonClientOps.MoveResize) { |
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855 case NonClientOps.Move: e.Cursor = FBGCursor.Move; break; |
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856 case NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeLeft; break; |
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857 case NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeRight; break; |
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858 case NonClientOps.ResizeBottom: e.Cursor = FBGCursor.SizeBottom; break; |
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859 case NonClientOps.ResizeTop: e.Cursor = FBGCursor.SizeTop; break; |
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860 case NonClientOps.ResizeTop | NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeTopLeft; break; |
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861 case NonClientOps.ResizeTop | NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeTopRight; break; |
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862 case NonClientOps.ResizeBottom | NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeBottomLeft; break; |
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863 case NonClientOps.ResizeBottom | NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeBottomRight; break; |
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864 } |
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865 } |
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866 protected override void HandlePointingEvent(FBGPointingEvent e) { |
|
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867 if (Cursor != null) e.Cursor = Cursor; |
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868 if (HandlePointingEventA(e)) base.HandlePointingEvent(e); |
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869 } |
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870 Boolean HandlePointingEventA(FBGPointingEvent e) { |
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871 switch (e.Type) { |
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872 case FBGPointingEventType.Move: return MouseMove(e.Position, e.Buttons, e); |
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873 case FBGPointingEventType.ButtonDown: return MouseDown(e.Position, e.Buttons, e); |
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874 case FBGPointingEventType.ButtonUp: return MouseUp(e.Position, e.Buttons, e); |
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875 default: return true; |
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876 } |
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877 } |
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878 Boolean MouseDown(Point p, MouseButtons buttons, FBGPointingEvent e) { |
| 23 | 879 NonClientOps mr = 0; |
|
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880 if ((buttons & MouseButtons.Left) != 0) mr = GetNonClientOperation(p); |
| 23 | 881 if (mr != 0) { |
| 882 moveresize = mr; | |
| 883 prevPosition = p; | |
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884 SetCursorForNonClientOperation(moveresize, e); |
| 23 | 885 CaptureMouse(true); |
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886 return false; |
| 23 | 887 } else { |
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888 return true; |
| 23 | 889 } |
| 890 } | |
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891 Boolean MouseMove(Point position, MouseButtons buttons, FBGPointingEvent e) { |
|
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892 NonClientOps mr = moveresize; |
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893 if (mr == 0) mr = GetNonClientOperation(position); |
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894 if (mr == 0) return true; |
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895 SetCursorForNonClientOperation(mr, e); |
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896 if ((moveresize & NonClientOps.MoveResize) != 0) { |
| 23 | 897 Rectangle b = Bounds; |
| 898 int dx = position.X - prevPosition.X; | |
| 899 int dy = position.Y - prevPosition.Y; | |
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900 if (moveresize == NonClientOps.Move) { |
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901 b.Offset(dx, dy); |
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902 } |
| 23 | 903 if ((moveresize & NonClientOps.ResizeLeft) != 0) { |
| 904 b.X += dx; | |
| 905 b.Width -= dx; | |
| 906 } else if ((moveresize & NonClientOps.ResizeRight) != 0) { | |
| 907 b.Width += dx; | |
| 908 prevPosition.X = position.X; | |
| 909 } | |
| 910 if ((moveresize & NonClientOps.ResizeTop) != 0) { | |
| 911 b.Y += dy; | |
| 912 b.Height -= dy; | |
| 913 } else if ((moveresize & NonClientOps.ResizeBottom) != 0) { | |
| 914 b.Height += dy; | |
| 915 prevPosition.Y = position.Y; | |
| 916 } | |
| 917 if (b.Width < 55) b.Width = 55; | |
| 918 if (b.Height < 25) b.Height = 25; | |
| 919 Bounds = b; | |
| 920 } | |
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921 return false; |
| 23 | 922 } |
|
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923 Boolean MouseUp(Point position, MouseButtons buttons, FBGPointingEvent e) { |
| 23 | 924 if (moveresize == 0) { |
|
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925 SetCursorForNonClientOperation(GetNonClientOperation(position), e); |
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926 return true; |
| 23 | 927 } else if ((buttons & MouseButtons.Left) != 0) { |
| 928 MouseMove(position, buttons); | |
| 929 CaptureMouse(false); | |
| 930 if (moveresize == NonClientOps.ButtonClose && (new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(position) && Closable) Close(); | |
| 931 moveresize = 0; | |
|
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932 SetCursorForNonClientOperation(GetNonClientOperation(position), e); |
| 23 | 933 } |
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934 return false; |
| 23 | 935 } |
| 936 protected override void Paint(Graphics g) { | |
| 937 base.Paint(g); | |
| 938 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 939 g.DrawRectangle(Pens.LightGray, 1, 1, Bounds.Width - 3, Bounds.Height - 3); | |
| 940 g.DrawRectangle(Pens.DarkGray, 2, 20, Bounds.Width - 5, Bounds.Height - 23); | |
| 941 g.DrawRectangle(Pens.Gray, 3, 21, Bounds.Width - 7, Bounds.Height - 25); | |
| 942 using (Brush b = new LinearGradientBrush(new Rectangle(0, 1, 1, 18), Color.Gray, Color.LightGray, LinearGradientMode.Vertical)) | |
| 943 g.FillRectangle(b, 2, 2, Bounds.Width - 4, 18); | |
| 944 | |
| 945 g.DrawString(Text, SystemFonts.CaptionFont, Brushes.Black, 4, 1); | |
| 946 | |
| 947 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14, 4, 14, 14); | |
| 948 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 16, 4, 14, 14); | |
| 949 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 32, 4, 14, 14); | |
| 950 using (Brush b = new LinearGradientBrush(new Rectangle(0, 5, 1, 13), Color.LightGray, Color.DarkGray, LinearGradientMode.Vertical)) { | |
| 951 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1, 5, 13, 13); | |
| 952 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 16, 5, 13, 13); | |
| 953 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 32, 5, 13, 13); | |
| 954 } | |
| 955 if (Closable) { | |
| 956 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 14 - 3); | |
| 957 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 14 - 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 3); | |
| 958 } | |
| 959 } | |
| 960 public void Close() { | |
| 961 Parent.RemoveControl(this); | |
| 31 | 962 RaiseEvent(Closed); |
| 23 | 963 } |
| 964 } | |
| 965 public class FBGDesktop : FBGContainerControl { | |
| 966 FBGContainerControl windowcontainer; | |
| 967 FBGContainerControl menucontainer; | |
| 968 Boolean startup = true; | |
| 969 class FBGWindowState { | |
| 970 public IFBGControl Control; | |
| 971 public FBGButton MenuButton; | |
| 972 public Boolean Visible; | |
| 973 public Rectangle OldBounds; | |
| 974 public FBGWindowState(IFBGControl cntrl, FBGButton btn) { | |
| 975 Control = cntrl; | |
| 976 MenuButton = btn; | |
| 977 Visible = true; | |
| 978 } | |
| 979 } | |
| 980 Dictionary<IFBGControl, FBGWindowState> windowstates = new Dictionary<IFBGControl, FBGWindowState>(); | |
| 981 public FBGDesktop(IFBGContainerControl parent) : base(parent) { | |
| 982 menucontainer = new FBGContainerControl(this); | |
| 983 menucontainer.Bounds = new Rectangle(0, Bounds.Height - 25, Bounds.Width, 25); | |
| 984 windowcontainer = new FBGContainerControl(this); | |
| 985 windowcontainer.Bounds = new Rectangle(0, 0, Bounds.Width, Bounds.Height - 25); | |
| 986 startup = false; | |
| 987 } | |
| 988 public override Rectangle Bounds { | |
| 989 get { return base.Bounds; } | |
| 990 set { | |
| 991 if (Bounds == value) return; | |
| 992 base.Bounds = value; | |
| 993 if (startup) return; | |
| 994 menucontainer.Bounds = new Rectangle(0, value.Height - 25, value.Width, 25); | |
| 995 windowcontainer.Bounds = new Rectangle(0, 0, value.Width, value.Height - 25); | |
| 996 ScaleMenuButtons(); | |
| 997 } | |
| 998 } | |
| 999 protected override void AddControl(IFBGControl control) { | |
| 1000 if (startup) { | |
| 1001 base.AddControl(control); | |
| 1002 return; | |
| 1003 } | |
| 1004 ((IFBGContainerControl)windowcontainer).AddControl(control); | |
| 1005 FBGButton btn = new FBGButton(menucontainer); | |
| 1006 FBGForm formcontrol = control as FBGForm; | |
| 1007 if (formcontrol == null) { | |
| 1008 btn.Text = "Untitled"; | |
| 1009 } else { | |
| 1010 formcontrol.TextChanged += delegate(Object sender, EventArgs e) { | |
| 1011 btn.Text = formcontrol.Text; | |
| 1012 }; | |
| 1013 btn.Text = formcontrol.Text; | |
| 1014 } | |
| 1015 FBGWindowState ws = new FBGWindowState(control, btn); | |
| 1016 windowstates.Add(control, ws); | |
| 1017 ScaleMenuButtons(); | |
| 1018 btn.Click += delegate(Object sender, EventArgs e) { | |
| 1019 if (ws.Visible) { | |
| 1020 if (ws.MenuButton.BackColor == Color.DarkGray) { | |
| 1021 ws.OldBounds = ws.Control.Bounds; | |
| 1022 ws.Visible = false; | |
| 1023 ws.Control.Bounds = Rectangle.Empty; | |
| 1024 } else { | |
| 1025 windowcontainer.BringControlToFront(ws.Control); | |
| 1026 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 1027 ws.MenuButton.BackColor = Color.DarkGray; | |
| 1028 } | |
| 1029 } else { | |
| 1030 ws.Control.Bounds = ws.OldBounds; | |
| 1031 ws.Visible = true; | |
| 1032 windowcontainer.BringControlToFront(ws.Control); | |
| 1033 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 1034 ws.MenuButton.BackColor = Color.DarkGray; | |
| 1035 } | |
| 1036 }; | |
| 1037 } | |
| 1038 public override void RemoveControl(IFBGControl control) { | |
| 1039 windowcontainer.RemoveControl(control); | |
| 1040 windowstates.Remove(control); | |
| 1041 ScaleMenuButtons(); | |
| 1042 } | |
| 1043 private void ScaleMenuButtons() { | |
| 1044 int bcount = windowstates.Count; | |
| 1045 int bwidth = 200; | |
| 1046 int twidth = bwidth * bcount; | |
| 1047 if (twidth > Bounds.Width) bwidth = menucontainer.Bounds.Width / bcount; | |
| 1048 int i = 0; | |
| 1049 foreach (FBGWindowState ws in windowstates.Values) { | |
| 1050 ws.MenuButton.Bounds = new Rectangle(i * bwidth, 0, bwidth, 25); | |
| 1051 i++; | |
| 1052 } | |
| 1053 } | |
| 1054 protected override void Paint(Graphics g) { | |
| 1055 base.Paint(g); | |
| 1056 g.DrawLine(Pens.Black, 0, Bounds.Height - 25, Bounds.Width, Bounds.Height - 25); | |
| 1057 } | |
| 1058 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1059 IFBGControl control = FindControlAtPosition(position); | |
| 1060 if (ReferenceEquals(control, windowcontainer)) { | |
| 1061 control = windowcontainer.FindControlAtPosition(PointToChild(windowcontainer, position)); | |
| 1062 if (!ReferenceEquals(control, null)) { | |
| 1063 windowcontainer.BringControlToFront(control); | |
| 1064 foreach (FBGWindowState ws in windowstates.Values) | |
| 1065 ws.MenuButton.BackColor = ReferenceEquals(ws.Control, control) ? Color.DarkGray : SystemColors.ButtonFace; | |
| 1066 } | |
| 1067 } | |
| 1068 base.MouseDown(position, buttons); | |
| 1069 } | |
| 1070 } | |
| 1071 | |
| 1072 public class FBGLabel : FBGControl, IDisposable { | |
| 1073 public FBGLabel(IFBGContainerControl parent) : base(parent) { | |
| 1074 Size = new Size(200, 16); | |
| 1075 } | |
| 1076 private String text = String.Empty; | |
| 1077 private Font font = SystemFonts.DefaultFont; | |
| 1078 private Brush brush = SystemBrushes.ControlText; | |
| 1079 private StringFormat stringformat = new StringFormat(); | |
| 1080 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1081 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1082 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 1083 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 1084 public StringAlignment Alignment { get { return stringformat.Alignment; } set { stringformat.Alignment = value; Invalidate(); } } | |
| 1085 public StringFormatFlags FormatFlags { get { return stringformat.FormatFlags; } set { stringformat.FormatFlags = value; Invalidate(); } } | |
| 1086 public StringAlignment LineAlignment { get { return stringformat.LineAlignment; } set { stringformat.LineAlignment = value; Invalidate(); } } | |
| 1087 public StringTrimming Trimming { get { return stringformat.Trimming; } set { stringformat.Trimming = value; Invalidate(); } } | |
| 1088 protected override void Paint(Graphics g) { | |
| 1089 base.Paint(g); | |
| 1090 g.DrawString(text, font, brush, new Rectangle(Point.Empty, Bounds.Size), stringformat); | |
| 1091 } | |
| 1092 public void Dispose() { | |
| 1093 stringformat.Dispose(); | |
| 1094 } | |
| 1095 protected override void Orphaned() { | |
| 1096 base.Orphaned(); | |
| 1097 Dispose(); | |
| 1098 } | |
| 1099 } | |
| 1100 public class FBGTextBox : FBGControl { | |
| 1101 public FBGTextBox(IFBGContainerControl parent) : base(parent) { | |
| 1102 BackColor = Color.White; | |
| 1103 Size = new Size(200, 20); | |
| 1104 } | |
| 1105 private String text = String.Empty; | |
| 1106 private Char passwordChar = (Char)0; | |
| 1107 private Font font = new Font(FontFamily.GenericMonospace, 10); | |
| 1108 private Brush brush = SystemBrushes.ControlText; | |
| 1109 private Boolean hasKeyboardFocus = false; | |
| 1110 public String Text { get { return text; } set { text = value; if (CaretPosition > text.Length) CaretPosition = text.Length; Invalidate(); RaiseEvent(TextChanged); } } | |
| 1111 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1112 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 1113 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 1114 public Int32 CaretPosition { get; private set; } | |
| 1115 public Char PasswordChar { get { return passwordChar; } set { passwordChar = value; Invalidate(); } } | |
| 1116 public event EventHandler TextChanged; | |
| 1117 public event KeyPressEventHandler OnKeyPress; | |
| 1118 protected override void Paint(Graphics g) { | |
| 1119 base.Paint(g); | |
| 1120 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1121 using (StringFormat sf_nonprinting = new StringFormat(StringFormat.GenericTypographic)) { | |
| 1122 sf_nonprinting.Trimming = StringTrimming.None; | |
| 1123 sf_nonprinting.FormatFlags = StringFormatFlags.DisplayFormatControl | StringFormatFlags.MeasureTrailingSpaces; | |
| 1124 sf_nonprinting.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.None; | |
| 1125 | |
| 1126 float x = 1; | |
| 1127 float y = 1; | |
| 1128 float w = Width - 2; | |
| 1129 if (hasKeyboardFocus && CaretPosition == 0) { | |
| 1130 g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); | |
| 1131 } | |
| 1132 String c = passwordChar == 0 ? null : new String(passwordChar, 1); | |
| 1133 for (int i = 0; i < text.Length; i++) { | |
| 1134 if (passwordChar == 0) c = text.Substring(i, 1); | |
| 1135 SizeF s = g.MeasureString(c, font, (int)Math.Ceiling(w), sf_nonprinting); | |
| 1136 g.DrawString(c, font, brush, x, y); | |
| 1137 x += (float)Math.Ceiling(s.Width); | |
| 1138 w -= (float)Math.Ceiling(s.Width); | |
| 1139 | |
| 1140 if (hasKeyboardFocus && i == CaretPosition - 1) { | |
| 1141 g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); | |
| 1142 } | |
| 1143 } | |
| 1144 } | |
| 1145 } | |
| 1146 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1147 hasKeyboardFocus = CaptureKeyboard(true); | |
| 1148 CaretPosition = text.Length; | |
| 1149 float x = 1; | |
| 1150 String c = passwordChar == 0 ? null : new String(passwordChar, 1); | |
| 1151 for (int i = 0; i < text.Length; i++) { | |
| 1152 if (passwordChar == 0) c = text.Substring(i, 1); | |
| 1153 Size s; | |
| 1154 try { | |
| 1155 s = TextRenderer.MeasureText(c, font, Size.Empty, TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix); | |
| 1156 } catch (Exception) { | |
| 1157 break; | |
| 1158 } | |
| 1159 x += s.Width; | |
| 1160 if (position.X < x) { | |
| 1161 CaretPosition = i; | |
| 1162 break; | |
| 1163 } | |
| 1164 } | |
| 1165 Invalidate(); | |
| 1166 } | |
| 1167 protected override void KeyDown(Keys key) { | |
| 1168 if ((key & Keys.KeyCode) == Keys.Left) { | |
| 1169 CaretPosition--; | |
| 1170 if (CaretPosition < 0) CaretPosition = 0; | |
| 1171 Invalidate(); | |
| 1172 } else if ((key & Keys.KeyCode) == Keys.Right) { | |
| 1173 CaretPosition++; | |
| 1174 if (CaretPosition > text.Length) CaretPosition = text.Length; | |
| 1175 Invalidate(); | |
| 1176 } else if ((key & Keys.KeyCode) == Keys.Home) { | |
| 1177 CaretPosition = 0; | |
| 1178 Invalidate(); | |
| 1179 } else if ((key & Keys.KeyCode) == Keys.End) { | |
| 1180 CaretPosition = text.Length; | |
| 1181 Invalidate(); | |
| 1182 } else if ((key & Keys.Control) != 0 && (key & Keys.KeyCode) == Keys.V) { | |
| 1183 String cbtext = Clipboard.GetText(TextDataFormat.UnicodeText); | |
| 1184 CaretPosition += cbtext.Length; | |
| 1185 Text = Text.Insert(CaretPosition - cbtext.Length, cbtext); | |
| 1186 } | |
| 1187 } | |
| 1188 protected override void KeyPress(char keyChar) { | |
| 1189 KeyPressEventArgs e = new KeyPressEventArgs(keyChar); | |
| 1190 RaiseEvent(OnKeyPress, e); | |
| 1191 if (e.Handled) return; | |
| 1192 hasKeyboardFocus = true; | |
| 1193 if (keyChar == 8) { | |
| 1194 if (CaretPosition > 0) { | |
| 1195 CaretPosition--; | |
| 1196 Text = Text.Remove(CaretPosition, 1); | |
| 1197 } | |
| 1198 } else if (keyChar == 127) { | |
| 1199 if (CaretPosition < Text.Length) { | |
| 1200 Text = Text.Remove(CaretPosition, 1); | |
| 1201 } | |
| 1202 } else if (keyChar < 32) { | |
| 1203 } else { | |
| 1204 CaretPosition++; | |
| 1205 Text = Text.Insert(CaretPosition - 1, new String(keyChar, 1)); | |
| 1206 } | |
| 1207 } | |
| 1208 public void Focus() { | |
| 1209 hasKeyboardFocus = CaptureKeyboard(true); | |
| 1210 } | |
| 1211 protected override void LostKeyboardCapture() { | |
| 1212 base.LostKeyboardCapture(); | |
| 1213 hasKeyboardFocus = false; | |
| 1214 Invalidate(); | |
| 1215 } | |
| 1216 } | |
| 1217 public class FBGButton : FBGControl { | |
| 1218 public FBGButton(IFBGContainerControl parent) : base(parent) { | |
| 1219 BackColor = SystemColors.ButtonFace; | |
| 1220 } | |
| 1221 private String text = String.Empty; | |
| 1222 private Font font = SystemFonts.DefaultFont; | |
| 1223 private Color color = SystemColors.ControlText; | |
| 1224 private Boolean pressed = false; | |
| 1225 private Boolean enabled = true; | |
| 1226 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1227 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1228 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1229 public Boolean Enabled { get { return enabled; } set { enabled = value; Invalidate(); } } | |
| 1230 public event EventHandler Click; | |
| 1231 protected override void Paint(Graphics g) { | |
| 1232 base.Paint(g); | |
| 1233 if (Bounds.Width == 0 || Bounds.Height == 0) return; | |
| 1234 if (BackColor == SystemColors.ButtonFace) { | |
| 1235 ControlPaint.DrawButton(g, new Rectangle(0, 0, Bounds.Width, Bounds.Height), enabled ? (pressed ? ButtonState.Pushed : ButtonState.Normal) : ButtonState.Inactive); | |
| 1236 } else { | |
| 1237 //Hackish and not completely right... | |
| 1238 //Todo: borrowed from mono... possible licencing issues!? | |
| 1239 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, Bounds.Width, 0); | |
| 1240 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, 0, Bounds.Height); | |
| 1241 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), 1, Bounds.Height - 2, Bounds.Width - 1, Bounds.Height - 2); | |
| 1242 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), Bounds.Width - 2, 1, Bounds.Width - 2, Bounds.Height - 2); | |
| 1243 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), 0, Bounds.Height - 1, Bounds.Width, Bounds.Height - 1); | |
| 1244 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), Bounds.Width - 1, 1, Bounds.Width - 1, Bounds.Height - 1); | |
| 1245 Graphics dc = g; | |
| 1246 Rectangle rectangle = new Rectangle(0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1247 Color ColorControl = BackColor; | |
| 1248 Color ColorControlLight = ControlPaint.Light(ColorControl); | |
| 1249 ButtonState state = pressed ? ButtonState.Pushed : ButtonState.Normal; | |
| 1250 using (Pen NormalPen = new Pen(BackColor), LightPen = new Pen(ControlPaint.Light(BackColor)), DarkPen = new Pen(ControlPaint.Dark(BackColor))) { | |
| 1251 // sadly enough, the rectangle gets always filled with a hatchbrush | |
| 1252 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, Color.FromArgb(Math.Min(255, ColorControl.R + 3), ColorControl.G, ColorControl.B), ColorControl)) { | |
| 1253 dc.FillRectangle(hb, rectangle.X + 1, rectangle.Y + 1, rectangle.Width - 2, rectangle.Height - 2); | |
| 1254 } | |
| 1255 if ((state & ButtonState.All) == ButtonState.All || ((state & ButtonState.Checked) == ButtonState.Checked && (state & ButtonState.Flat) == ButtonState.Flat)) { | |
| 1256 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1257 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1258 } | |
| 1259 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1260 } else if ((state & ButtonState.Flat) == ButtonState.Flat) { | |
| 1261 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1262 } else if ((state & ButtonState.Checked) == ButtonState.Checked) { | |
| 1263 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1264 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1265 } | |
| 1266 Pen pen = DarkPen; | |
| 1267 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1268 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1269 | |
| 1270 pen = NormalPen; | |
| 1271 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1272 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1273 | |
| 1274 pen = LightPen; | |
| 1275 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1276 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1277 } else if (((state & ButtonState.Pushed) == ButtonState.Pushed) && ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1278 Pen pen = DarkPen; | |
| 1279 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1280 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1281 | |
| 1282 pen = NormalPen; | |
| 1283 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1284 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1285 | |
| 1286 pen = LightPen; | |
| 1287 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1288 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1289 } else if (((state & ButtonState.Inactive) == ButtonState.Inactive) || ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1290 Pen pen = LightPen; | |
| 1291 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1292 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1293 | |
| 1294 pen = NormalPen; | |
| 1295 dc.DrawLine(pen, rectangle.X + 1, rectangle.Bottom - 2, rectangle.Right - 2, rectangle.Bottom - 2); | |
| 1296 dc.DrawLine(pen, rectangle.Right - 2, rectangle.Y + 1, rectangle.Right - 2, rectangle.Bottom - 3); | |
| 1297 | |
| 1298 pen = DarkPen; | |
| 1299 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1300 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 2); | |
| 1301 } | |
| 1302 } | |
| 1303 } | |
| 1304 Rectangle frect = new Rectangle(Point.Empty, Bounds.Size); | |
| 1305 SizeF textsize = g.MeasureString(Text, Font); | |
| 1306 using (Brush b = new SolidBrush(enabled ? Color : Color.DarkGray)) { | |
| 1307 g.DrawString(Text, Font, b, new PointF(Bounds.Width / 2.0f - textsize.Width / 2.0f, Bounds.Height / 2.0f - textsize.Height / 2.0f)); | |
| 1308 } | |
| 1309 } | |
| 1310 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1311 pressed = true; | |
| 1312 Invalidate(); | |
| 1313 CaptureMouse(true); | |
| 1314 base.MouseDown(position, buttons); | |
| 1315 } | |
| 1316 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1317 pressed = false; | |
| 1318 Invalidate(); | |
| 1319 CaptureMouse(false); | |
| 1320 if (position.X >= 0 && position.X <= Bounds.Width && position.Y >= 0 && position.Y <= Bounds.Height && enabled) RaiseEvent(Click); | |
| 1321 base.MouseUp(position, buttons); | |
| 1322 } | |
| 1323 protected override void KeyDown(Keys key) { | |
| 1324 if (key == Keys.Return || key == Keys.Space) { | |
| 1325 pressed = true; | |
| 1326 Invalidate(); | |
| 1327 } | |
| 1328 base.KeyDown(key); | |
| 1329 } | |
| 1330 protected override void KeyUp(Keys key) { | |
| 1331 if (key == Keys.Return || key == Keys.Space) { | |
| 1332 if (pressed) RaiseEvent(Click); | |
| 1333 pressed = false; | |
| 1334 Invalidate(); | |
| 1335 } | |
| 1336 base.KeyUp(key); | |
| 1337 } | |
| 1338 public void Focus() { | |
| 1339 CaptureKeyboard(true); | |
| 1340 } | |
| 1341 } | |
| 1342 public class FBGCheckBox : FBGControl { | |
| 1343 public FBGCheckBox(IFBGContainerControl parent) : base(parent) { } | |
| 1344 private String text = String.Empty; | |
| 1345 private Font font = SystemFonts.DefaultFont; | |
| 1346 private Color color = SystemColors.ControlText; | |
| 1347 private Boolean _checked = false; | |
| 1348 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1349 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1350 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1351 public Boolean Checked { get { return _checked; } set { _checked = value; Invalidate(); } } | |
| 1352 public event EventHandler CheckedChanged; | |
| 1353 protected override void Paint(Graphics g) { | |
| 1354 base.Paint(g); | |
| 1355 ControlPaint.DrawCheckBox(g, 0, 0, 13, 13, _checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1356 g.DrawString(Text, Font, new SolidBrush(Color), 15, 0); | |
| 1357 } | |
| 1358 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1359 Checked = !Checked; | |
| 1360 RaiseEvent(CheckedChanged); | |
| 1361 base.MouseDown(position, buttons); | |
| 1362 } | |
| 1363 } | |
| 1364 public class FBGImageBox : FBGControl { | |
| 1365 Image image = null; | |
| 33 | 1366 Image scaledImage = null; |
| 1367 Size imageSize; | |
| 1368 Boolean ownsImage = false; | |
|
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1369 Boolean shouldScaleImage = false; |
| 23 | 1370 PictureBoxSizeMode sizeMode = PictureBoxSizeMode.Normal; |
| 1371 Rectangle imageRect; | |
| 33 | 1372 public Image Image { get { return image; } set { SetImage(value, false); } } |
| 1373 public Boolean PreScaleImage { get; set; } | |
| 1374 public void SetOwnedImage(Image img) { SetImage(img, true); } | |
| 1375 private void SetImage(Image img, Boolean owned) { | |
| 1376 image = img; | |
| 1377 imageSize = img == null ? Size.Empty : img.Size; | |
| 1378 ownsImage = owned; | |
| 1379 UpdateImageRect(Size.Empty); | |
| 1380 } | |
| 23 | 1381 public FBGImageBox(IFBGContainerControl parent) : base(parent) { } |
|
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1382 public PictureBoxSizeMode SizeMode { get { return sizeMode; } set { sizeMode = value; UpdateImageRect(Size.Empty); } } |
| 23 | 1383 public override Rectangle Bounds { |
| 1384 get { | |
| 1385 return base.Bounds; | |
| 1386 } | |
| 1387 set { | |
| 33 | 1388 if (Bounds.Size != value.Size) UpdateImageRect(value.Size); |
| 23 | 1389 base.Bounds = value; |
| 1390 } | |
| 1391 } | |
|
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1392 private void UpdateImageRect(Size csize) { |
|
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1393 shouldScaleImage = false; |
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1394 if (scaledImage != null) scaledImage.Dispose(); |
| 33 | 1395 scaledImage = null; |
| 23 | 1396 if (image == null) return; |
|
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1397 Boolean boundsset = !csize.IsEmpty; |
| 23 | 1398 if (!boundsset && sizeMode == PictureBoxSizeMode.AutoSize) { |
| 33 | 1399 Size = imageSize; |
| 23 | 1400 return; |
| 1401 } | |
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1402 if (!boundsset) csize = Bounds.Size; |
| 23 | 1403 switch (sizeMode) { |
| 1404 case PictureBoxSizeMode.AutoSize: | |
| 1405 case PictureBoxSizeMode.Normal: | |
| 33 | 1406 imageRect = new Rectangle(Point.Empty, imageSize); |
| 23 | 1407 break; |
| 1408 case PictureBoxSizeMode.CenterImage: | |
| 33 | 1409 imageRect = new Rectangle(csize.Width / 2 - imageSize.Width / 2, csize.Height / 2 - imageSize.Height / 2, imageSize.Width, imageSize.Height); |
| 23 | 1410 break; |
| 1411 case PictureBoxSizeMode.StretchImage: | |
|
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1412 imageRect = new Rectangle(Point.Empty, csize); |
| 23 | 1413 break; |
| 1414 case PictureBoxSizeMode.Zoom: | |
| 33 | 1415 float xrat = (float)csize.Width / (float)imageSize.Width; |
| 1416 float yrat = (float)csize.Height / (float)imageSize.Height; | |
| 23 | 1417 float rat = Math.Min(xrat, yrat); |
| 33 | 1418 SizeF dispsize = new SizeF(imageSize.Width * rat, imageSize.Height * rat); |
|
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1419 imageRect = Rectangle.Round(new RectangleF(csize.Width / 2f - dispsize.Width / 2f, csize.Height / 2f - dispsize.Height / 2f, dispsize.Width, dispsize.Height)); |
| 23 | 1420 break; |
| 1421 } | |
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1422 shouldScaleImage = imageRect.Size != imageSize; |
| 23 | 1423 if (!boundsset) Invalidate(); |
| 1424 } | |
| 1425 protected override void Paint(Graphics g) { | |
| 1426 if (!Visible) return; | |
| 1427 base.Paint(g); | |
|
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|
1428 if (shouldScaleImage && PreScaleImage && image != null) { |
|
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|
1429 scaledImage = new Bitmap(image, imageRect.Size); |
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1430 shouldScaleImage = false; |
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1431 } |
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1432 if (scaledImage != null) g.DrawImage(scaledImage, imageRect); |
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1433 else if (image != null) g.DrawImage(image, imageRect); |
| 23 | 1434 } |
|
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1435 public Point PointToImage(Point point) { |
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1436 switch (sizeMode) { |
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1437 case PictureBoxSizeMode.AutoSize: |
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1438 case PictureBoxSizeMode.Normal: |
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1439 break; |
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1440 case PictureBoxSizeMode.CenterImage: |
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1441 point.X -= imageRect.X; |
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1442 point.Y -= imageRect.Y; |
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1443 break; |
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1444 case PictureBoxSizeMode.StretchImage: |
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1445 case PictureBoxSizeMode.Zoom: |
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1446 default: |
| 33 | 1447 point.X = (point.X - imageRect.X) * imageSize.Width / imageRect.Width; |
| 1448 point.Y = (point.Y - imageRect.Y) * imageSize.Height / imageRect.Height; | |
|
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1449 break; |
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1450 } |
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1451 return point; |
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1452 } |
| 33 | 1453 protected override void Orphaned() { |
| 1454 base.Orphaned(); | |
| 1455 if (scaledImage != null && scaledImage != image) scaledImage.Dispose(); | |
| 1456 scaledImage = null; | |
| 1457 if (ownsImage) { | |
| 1458 image.Dispose(); | |
| 1459 image = null; | |
| 1460 } | |
| 1461 } | |
| 23 | 1462 } |
| 1463 public class FBGListBox : FBGControl { | |
| 1464 private List<Object> items = new List<object>(); | |
| 1465 private Object selected = null; | |
| 1466 private Object highlighted = null; | |
| 1467 private Boolean hasScrollBar = false; | |
| 1468 private Boolean hitScrollBar = false; | |
| 1469 private int offset = 0; | |
| 1470 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1471 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1472 private Converter<Object, String> itemFormatter = null; | |
| 1473 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1474 public FBGListBox(IFBGContainerControl parent) | |
| 1475 : base(parent) { | |
| 1476 BackColor = Color.White; | |
| 1477 } | |
| 78 | 1478 public int AddItem(Object item) { |
| 1479 int id = ((System.Collections.IList)items).Add(item); | |
| 1480 Invalidate(); | |
| 1481 return id; | |
| 1482 } | |
| 1483 public void RemoveItem(Object item) { | |
| 1484 items.Remove(item); | |
| 1485 if (offset >= items.Count) offset = Math.Max(0, items.Count - 1); | |
| 23 | 1486 Invalidate(); |
| 1487 } | |
| 78 | 1488 public void RemoveItemAt(int index) { |
| 1489 if (index < 0) index += items.Count; | |
| 1490 items.RemoveAt(index); | |
| 1491 if (offset >= index && offset > 0) offset--; | |
| 1492 Invalidate(); | |
| 1493 } | |
| 1494 public void Clear() { | |
| 1495 items.Clear(); | |
| 1496 offset = 0; | |
| 1497 Invalidate(); | |
| 1498 } | |
| 1499 public System.Collections.IList Items { get { return items.AsReadOnly(); } } | |
| 23 | 1500 protected override void Paint(Graphics g) { |
| 1501 base.Paint(g); | |
| 1502 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1503 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1504 int y = 2; | |
| 1505 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1506 dottedpen.DashStyle = DashStyle.Dot; | |
| 1507 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1508 for (int i = offset; i < items.Count; i++) { | |
| 1509 Object item = items[i]; | |
| 1510 String text = itemFormatter == null ? (item == null ? String.Empty : item.ToString()) : itemFormatter(item); | |
| 1511 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, Bounds.Width - 4, lh); | |
| 1512 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, Bounds.Width - 5, lh - 1); | |
| 1513 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, y, Bounds.Width - 6, lh), sf); | |
| 1514 y += lh; | |
| 1515 if (y + lh + 2 >= Bounds.Height) break; | |
| 1516 } | |
| 1517 } | |
| 1518 } | |
| 78 | 1519 hasScrollBar = (y < 2 + lh * items.Count) || (offset != 0); |
| 23 | 1520 if (hasScrollBar) { |
| 1521 int xoff = Bounds.Width - 17; | |
| 1522 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1523 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1524 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1525 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 78 | 1526 if (items.Count > 1) g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (items.Count - 1), 15, 20)); |
| 23 | 1527 } |
| 1528 } | |
| 1529 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1530 if ((buttons & MouseButtons.Left) != 0) { | |
| 1531 CaptureMouse(true); | |
| 1532 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1533 hitScrollBar = true; | |
| 78 | 1534 int off = offset; |
| 23 | 1535 if (position.Y < 17) { |
| 78 | 1536 off--; |
| 23 | 1537 buttonUpState = ButtonState.Pushed; |
| 1538 } else if (position.Y > Bounds.Height - 17) { | |
| 78 | 1539 off++; |
| 23 | 1540 buttonDownState = ButtonState.Pushed; |
| 1541 } else { | |
| 78 | 1542 off = (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); |
| 23 | 1543 } |
| 78 | 1544 offset = Math.Max(0, Math.Min(items.Count - 1, off)); |
| 23 | 1545 Invalidate(); |
| 1546 } else { | |
| 1547 MouseHandler(position, buttons); | |
| 1548 } | |
| 1549 } | |
| 1550 } | |
| 1551 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1552 if (hitScrollBar) { | |
| 1553 if (position.Y < 17) { | |
| 1554 } else if (position.Y > Bounds.Height - 17) { | |
| 1555 } else { | |
| 78 | 1556 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 | 1557 Invalidate(); |
| 1558 } | |
| 1559 return; | |
| 1560 } | |
| 1561 MouseHandler(position, buttons); | |
| 1562 } | |
| 1563 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1564 if ((buttons & MouseButtons.Left) != 0) { | |
| 1565 CaptureMouse(false); | |
| 1566 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 1567 Invalidate(); | |
| 1568 if (hitScrollBar) { | |
| 1569 hitScrollBar = false; | |
| 1570 return; | |
| 1571 } | |
| 1572 } | |
| 1573 if (hitScrollBar) return; | |
| 1574 MouseHandler(position, buttons); | |
| 1575 } | |
| 1576 private void MouseHandler(Point position, MouseButtons buttons) { | |
| 1577 if ((buttons & MouseButtons.Left) != 0) { | |
| 1578 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1579 int i = (position.Y - 2) / lh + offset; | |
| 1580 if (i < 0) i = 0; | |
| 1581 if (i >= items.Count) i = items.Count - 1; | |
| 1582 Boolean changed = false; | |
| 1583 Object current = items[i]; | |
| 1584 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 1585 highlighted = current; | |
| 1586 if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 1587 if (!ReferenceEquals(selected, current)) changed = true; | |
| 1588 selected = current; | |
| 1589 } | |
| 1590 if (changed) Invalidate(); | |
| 1591 } | |
| 1592 } | |
| 1593 } | |
|
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1594 public abstract class FBGUpDownControlBase : FBGControl { |
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1595 private ButtonState buttonUpState = ButtonState.Normal; |
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1596 private ButtonState buttonDownState = ButtonState.Normal; |
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1597 public FBGUpDownControlBase(IFBGContainerControl parent) : base(parent) { |
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1598 BackColor = Color.White; |
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1599 Height = 25; |
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1600 } |
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1601 protected override void Paint(Graphics g) { |
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1602 base.Paint(g); |
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1603 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); |
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1604 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); |
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1605 String text = SelectedText; |
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1606 if (text == null) { |
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1607 g.FillRectangle(Brushes.DarkGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); |
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1608 } else { |
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1609 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { |
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1610 sf.LineAlignment = StringAlignment.Center; |
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1611 g.FillRectangle(Brushes.LightGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); |
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1612 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, 2, Bounds.Width - 6 - 16, Bounds.Height - 4), sf); |
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1613 } |
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1614 } |
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1615 int xoff = Bounds.Width - 17; |
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1616 int he = (Bounds.Height - 2) / 2; |
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1617 ControlPaint.DrawScrollButton(g, xoff, 1, 16, he, ScrollButton.Up, buttonUpState); |
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1618 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - he - 1, 16, he, ScrollButton.Down, buttonDownState); |
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1619 } |
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1620 protected abstract String SelectedText { get; } |
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1621 protected override void MouseDown(Point position, MouseButtons buttons) { |
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1622 CaptureKeyboard(true); |
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1623 if ((buttons & MouseButtons.Left) != 0) { |
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1624 CaptureMouse(true); |
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1625 if (position.X > Bounds.Width - 17) { |
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1626 if (position.Y < Bounds.Height / 2) { |
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1627 buttonUpState = ButtonState.Pushed; |
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1628 ButtonPressUp(); |
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1629 } else { |
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1630 buttonDownState = ButtonState.Pushed; |
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1631 ButtonPressDown(); |
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1632 } |
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1633 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); |
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1634 } |
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1635 } |
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1636 } |
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1637 protected override void MouseUp(Point position, MouseButtons buttons) { |
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1638 if ((buttons & MouseButtons.Left) != 0) { |
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1639 CaptureMouse(false); |
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1640 buttonUpState = buttonDownState = ButtonState.Normal; |
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1641 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); |
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1642 } |
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1643 } |
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1644 protected override void KeyDown(Keys key) { |
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1645 base.KeyDown(key); |
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1646 if (key == Keys.Down) ButtonPressDown(); |
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1647 else if (key == Keys.Up) ButtonPressUp(); |
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1648 } |
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1649 protected abstract void ButtonPressUp(); |
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1650 protected abstract void ButtonPressDown(); |
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1651 } |
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1652 public class FBGDomainUpDown : FBGUpDownControlBase { |
| 23 | 1653 private List<Object> items = new List<object>(); |
| 1654 private int selectedIndex = -1; | |
| 1655 private Converter<Object, String> itemFormatter = null; | |
| 1656 public Boolean AllowSelectEmpty { get; set; } | |
| 1657 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1658 public event EventHandler SelectedIndexChanged; | |
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1659 public FBGDomainUpDown(IFBGContainerControl parent) : base(parent) { } |
| 23 | 1660 public void AddItem(Object item) { |
| 1661 items.Add(item); | |
| 1662 Invalidate(); | |
| 1663 } | |
| 1664 public void RemoveItem(Object item) { | |
| 1665 items.Remove(item); | |
| 1666 FixSelectedIndex(0); | |
| 1667 } | |
| 1668 public void RemoveItem(int index) { | |
| 1669 items.RemoveAt(index); | |
| 1670 FixSelectedIndex(0); | |
| 1671 } | |
| 1672 public int SelectedIndex { | |
| 1673 get { return selectedIndex; } | |
| 1674 set { | |
| 1675 if (value < -2 || value >= items.Count) throw new ArgumentOutOfRangeException("value", "Value must be between -1 and the number of items minus one"); | |
| 1676 if (selectedIndex == value) return; | |
| 1677 selectedIndex = value; | |
| 1678 Invalidate(); | |
| 1679 RaiseEvent(SelectedIndexChanged); | |
| 1680 } | |
| 1681 } | |
| 1682 public Object SelectedItem { | |
| 1683 get { return selectedIndex == -1 ? null : items[selectedIndex]; } | |
| 1684 set { | |
| 1685 if (value == null) { | |
| 1686 SelectedIndex = -1; | |
| 1687 } else { | |
| 1688 for (int i = 0; i < items.Count; i++) { | |
| 1689 if (items[i] == value) { | |
| 1690 SelectedIndex = i; | |
| 1691 break; | |
| 1692 } | |
| 1693 } | |
| 1694 } | |
| 1695 } | |
| 1696 } | |
|
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1697 protected override string SelectedText { |
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1698 get { |
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1699 if (selectedIndex == -1) return null; |
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1700 Object item = items[selectedIndex]; |
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1701 if (itemFormatter != null) return itemFormatter(item); |
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1702 if (item == null) return null; |
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1703 return item.ToString(); |
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1704 } |
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1705 } |
| 23 | 1706 private void FixSelectedIndex(int change) { |
| 1707 int value = selectedIndex; | |
| 1708 if (value == 0 && change == -1 && !AllowSelectEmpty) change = 0; | |
| 1709 value += change; | |
| 1710 if (value < -1) value = -1; | |
| 1711 if (value >= items.Count) value = items.Count - 1; | |
| 1712 SelectedIndex = value; | |
| 1713 } | |
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1714 protected override void ButtonPressDown() { |
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1715 FixSelectedIndex(1); |
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1716 } |
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1717 protected override void ButtonPressUp() { |
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1718 FixSelectedIndex(-1); |
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1719 } |
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1720 } |
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1721 public class FBGNumericUpDown : FBGUpDownControlBase { |
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1722 private int minimum = 0; |
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1723 private int maximum = 0; |
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1724 private int value = 0; |
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1725 public event EventHandler SelectedValueChanged; |
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1726 public FBGNumericUpDown(IFBGContainerControl parent) : base(parent) { } |
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1727 public int Value { |
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1728 get { return value; } |
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1729 set { if (this.value == value) return; this.value = value; Invalidate(); RaiseEvent(SelectedValueChanged); } |
| 23 | 1730 } |
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1731 public int Minimum { |
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1732 get { return minimum; } |
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1733 set { minimum = value; if (this.value < minimum) this.Value = minimum; } |
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1734 } |
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1735 public int Maximum { |
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1736 get { return maximum; } |
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1737 set { maximum = value; if (this.value > maximum) this.Value = maximum; } |
| 23 | 1738 } |
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1739 public int Step { get; set; } |
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1740 protected override string SelectedText { |
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1741 get { return value.ToString(); } |
| 23 | 1742 } |
|
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1743 protected override void ButtonPressDown() { |
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1744 Value = Math.Max(minimum, value - Step); |
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1745 } |
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1746 protected override void ButtonPressUp() { |
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1747 Value = Math.Min(maximum, value + Step); |
| 23 | 1748 } |
| 1749 } | |
| 1750 public interface IFBGTreeParent { | |
| 1751 FBGTreeView TreeView { get; } | |
| 1752 int Depth { get; } | |
| 1753 void AddChild(FBGTreeNode node); | |
| 1754 void RemoveChild(FBGTreeNode node); | |
| 1755 } | |
| 1756 public class FBGTreeNode : IFBGTreeParent { | |
| 1757 private List<FBGTreeNode> children = new List<FBGTreeNode>(); | |
| 1758 private Boolean expanded = true; | |
| 1759 private Boolean hasCheckBox = false; | |
| 1760 private Boolean isChecked = false; | |
| 1761 private Object item; | |
| 1762 | |
| 1763 public FBGTreeView TreeView { get; private set; } | |
| 1764 public int Depth { get; private set; } | |
| 1765 public Object Tag { get; set; } | |
| 1766 public IFBGTreeParent Parent { get; private set; } | |
| 1767 | |
| 1768 public IList<FBGTreeNode> Children { get { return children.AsReadOnly(); } } | |
| 1769 | |
| 1770 public Object Item { | |
| 1771 get { return item; } | |
| 1772 set { | |
| 1773 item = value; | |
| 1774 Invalidate(); | |
| 1775 } | |
| 1776 } | |
| 1777 public Boolean Expanded { | |
| 1778 get { return expanded; } | |
| 1779 set { | |
| 1780 if (expanded == value) return; | |
| 1781 expanded = value; | |
| 1782 UpdateTree(); | |
| 1783 } | |
| 1784 } | |
| 1785 public Boolean HasCheckBox { | |
| 1786 get { return hasCheckBox; } | |
| 1787 set { | |
| 1788 if (hasCheckBox == value) return; | |
| 1789 hasCheckBox = value; | |
| 1790 Invalidate(); | |
| 1791 } | |
| 1792 } | |
| 1793 public Boolean Checked { | |
| 1794 get { return isChecked; } | |
| 1795 set { | |
| 1796 if (isChecked == value) return; | |
| 1797 isChecked = value; | |
| 1798 Invalidate(); | |
| 1799 if (TreeView != null) TreeView.RaiseNodeCheckedChanged(this); | |
| 1800 } | |
| 1801 } | |
| 1802 | |
| 1803 public FBGTreeNode(IFBGTreeParent parent, Object item) { | |
| 1804 this.TreeView = parent.TreeView; | |
| 1805 this.Depth = parent.Depth + 1; | |
| 1806 this.Parent = parent; | |
| 1807 this.item = item; | |
| 1808 parent.AddChild(this); | |
| 1809 } | |
| 1810 | |
| 1811 public void Remove() { | |
| 1812 Parent.RemoveChild(this); | |
| 1813 } | |
| 1814 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1815 children.Add(node); | |
| 1816 if (Expanded) UpdateTree(); | |
| 1817 else Invalidate(); | |
| 1818 } | |
| 1819 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1820 children.Remove(node); | |
| 1821 TreeView.ReleaseNodeFromTree(node); | |
| 1822 if (Expanded) UpdateTree(); | |
| 1823 else Invalidate(); | |
| 1824 } | |
| 1825 public void Invalidate() { | |
| 1826 if (TreeView != null) TreeView.Invalidate(this); | |
| 1827 } | |
| 1828 private void UpdateTree() { | |
| 1829 if (TreeView != null) TreeView.UpdateView(); | |
| 1830 } | |
| 1831 public FBGTreeNode AddNode(Object item) { | |
| 1832 return new FBGTreeNode(this, item); | |
| 1833 } | |
| 1834 } | |
| 1835 public class FBGTreeView : FBGControl, IFBGTreeParent { | |
| 1836 private List<FBGTreeNode> items = new List<FBGTreeNode>(); | |
| 1837 private List<FBGTreeNode> itemsView = new List<FBGTreeNode>(); | |
| 1838 private FBGTreeNode selected = null; | |
| 1839 private FBGTreeNode highlighted = null; | |
| 1840 private Boolean hasScrollBar = false; | |
| 1841 private Boolean hitScrollBar = false; | |
| 1842 private int offset = 0; | |
| 1843 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1844 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1845 private Converter<Object, String> itemFormatter = null; | |
| 1846 | |
| 1847 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1848 public FBGTreeNode SelectedNode { get { return selected; } set { if (selected != value) { selected = value; Invalidate(); RaiseEvent(SelectedNodeChanged); } } } | |
| 1849 public IList<FBGTreeNode> Nodes { get { return items.AsReadOnly(); } } | |
| 1850 | |
| 1851 public event EventHandler SelectedNodeChanged; | |
| 1852 public event EventHandler NodeCheckedChanged; | |
| 1853 | |
| 1854 public FBGTreeView(IFBGContainerControl parent) : base(parent) { | |
| 1855 BackColor = Color.White; | |
| 1856 } | |
| 1857 FBGTreeView IFBGTreeParent.TreeView { get { return this; } } | |
| 1858 int IFBGTreeParent.Depth { get { return -1; } } | |
| 1859 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1860 items.Add(node); | |
| 1861 UpdateView(); | |
| 1862 } | |
| 1863 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1864 items.Remove(node); | |
| 1865 ReleaseNodeFromTree(node); | |
| 1866 UpdateView(); | |
| 1867 } | |
| 1868 public FBGTreeNode AddNode(Object item) { return new FBGTreeNode(this, item); } | |
| 1869 internal void ReleaseNodeFromTree(FBGTreeNode node) { | |
| 1870 if (highlighted == node) highlighted = null; | |
| 1871 if (selected == node) SelectedNode = null; | |
| 1872 } | |
| 1873 internal void RaiseNodeCheckedChanged(FBGTreeNode node) { | |
| 1874 RaiseEvent(NodeCheckedChanged); | |
| 1875 } | |
| 1876 internal void UpdateView() { | |
| 1877 List<FBGTreeNode> newView = new List<FBGTreeNode>(); | |
| 1878 Stack<Queue<FBGTreeNode>> stack = new Stack<Queue<FBGTreeNode>>(); | |
| 1879 stack.Push(new Queue<FBGTreeNode>(items)); | |
| 1880 while (stack.Count > 0) { | |
| 1881 Queue<FBGTreeNode> list = stack.Peek(); | |
| 1882 if (list.Count == 0) { | |
| 1883 stack.Pop(); | |
| 1884 continue; | |
| 1885 } | |
| 1886 FBGTreeNode item = list.Dequeue(); | |
| 1887 newView.Add(item); | |
| 1888 if (item.Expanded) stack.Push(new Queue<FBGTreeNode>(item.Children)); | |
| 1889 } | |
| 1890 itemsView = newView; | |
| 1891 Invalidate(); | |
| 1892 } | |
| 1893 internal void Invalidate(FBGTreeNode node) { | |
| 1894 int i = itemsView.IndexOf(node); | |
| 1895 if (i == -1) return; | |
| 1896 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1897 Invalidate(new Rectangle(1, i * lh, Bounds.Width - 1, lh)); | |
| 1898 } | |
| 1899 protected override void Paint(Graphics g) { | |
| 1900 base.Paint(g); | |
| 1901 | |
| 1902 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1903 int th = lh * itemsView.Count; | |
| 1904 hasScrollBar = offset > 0 || th + 2 > Bounds.Height; | |
| 1905 int y = 2; | |
| 1906 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1907 dottedpen.DashStyle = DashStyle.Dot; | |
| 1908 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1909 int lw = Bounds.Width - 2; | |
| 1910 if (hasScrollBar) lw -= 17; | |
| 1911 for (int i = offset; i < itemsView.Count; i++) { | |
| 1912 FBGTreeNode item = itemsView[i]; | |
| 1913 if (y + 2 < Bounds.Height) { | |
| 1914 Object obj = item.Item; | |
| 1915 String text = itemFormatter == null ? (obj == null ? String.Empty : obj.ToString()) : itemFormatter(obj); | |
| 1916 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, lw - 2, lh); | |
| 1917 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, lw - 3, lh - 1); | |
| 1918 int x = 3 + 19 * item.Depth + 14; | |
| 1919 if (item.HasCheckBox) { | |
| 1920 x += 2; | |
| 1921 ControlPaint.DrawCheckBox(g, x, y, lh, lh, item.Checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1922 x += lh + 1; | |
| 1923 } | |
| 1924 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(x, y, lw - x, lh), sf); | |
| 1925 } | |
| 1926 int upto = y + 2 + 4 - 8; | |
| 1927 for (int j = i - 1; j >= 0; j--) { | |
| 1928 if (itemsView[j].Depth < item.Depth) { | |
| 1929 break; | |
| 1930 } | |
| 1931 if (itemsView[j].Depth == item.Depth) { | |
| 1932 if (itemsView[j].Children.Count > 0) { | |
| 1933 upto = 2 + lh * (j - offset) + 10; | |
| 1934 } else { | |
| 1935 upto = 2 + lh * (j - offset) + 6; | |
| 1936 } | |
| 1937 break; | |
| 1938 } | |
| 1939 if (j <= offset) { | |
| 1940 upto = 2 + 2 + 4 - 8; | |
| 1941 break; | |
| 1942 } | |
| 1943 } | |
| 1944 if (item.Children.Count > 0) { | |
| 1945 g.DrawRectangle(Pens.Black, 3 + 19 * item.Depth, y + 2, 8, 8); | |
| 1946 g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 2, y + 2 + 4, 3 + 19 * item.Depth + 6, y + 2 + 4); | |
| 1947 if (!item.Expanded) g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 4, y + 4, 3 + 19 * item.Depth + 4, y + 2 + 6); | |
| 1948 | |
| 1949 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 8, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1950 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 6, 3 + 19 * item.Depth + 4, upto); | |
| 1951 } else { | |
| 1952 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1953 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 2, 3 + 19 * item.Depth + 4, upto); | |
| 1954 } | |
| 1955 y += lh; | |
| 1956 //if (y + lh + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1957 if (y + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1958 } | |
| 1959 } | |
| 1960 } | |
| 1961 //if (y < th) hasScrollBar = true; | |
| 1962 //hasScrollBar = true; | |
| 1963 if (hasScrollBar) { | |
| 1964 int xoff = Bounds.Width - 17; | |
| 1965 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1966 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1967 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1968 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 1969 g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (itemsView.Count - 1), 15, 20)); | |
| 1970 } | |
| 1971 | |
| 1972 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1973 } | |
| 1974 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1975 CaptureKeyboard(true); | |
| 1976 if ((buttons & MouseButtons.Left) != 0) { | |
| 1977 CaptureMouse(true); | |
| 1978 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1979 hitScrollBar = true; | |
| 1980 if (position.Y < 17) { | |
| 1981 offset--; | |
| 1982 buttonUpState = ButtonState.Pushed; | |
| 1983 } else if (position.Y > Bounds.Height - 17) { | |
| 1984 offset++; | |
| 1985 buttonDownState = ButtonState.Pushed; | |
| 1986 } else { | |
| 1987 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1988 } | |
| 1989 if (offset < 0) offset = 0; | |
| 1990 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 1991 Invalidate(); | |
| 1992 } else { | |
| 1993 MouseHandler(position, buttons, true); | |
| 1994 } | |
| 1995 } | |
| 1996 } | |
| 1997 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1998 if (hitScrollBar) { | |
| 1999 if (position.Y < 17) { | |
| 2000 } else if (position.Y > Bounds.Height - 17) { | |
| 2001 } else { | |
| 2002 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 2003 if (offset < 0) offset = 0; | |
| 2004 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 2005 Invalidate(); | |
| 2006 } | |
| 2007 return; | |
| 2008 } | |
| 2009 MouseHandler(position, buttons, false); | |
| 2010 } | |
| 2011 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 2012 if ((buttons & MouseButtons.Left) != 0) { | |
| 2013 CaptureMouse(false); | |
| 2014 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 2015 Invalidate(); | |
| 2016 if (hitScrollBar) { | |
| 2017 hitScrollBar = false; | |
| 2018 return; | |
| 2019 } | |
| 2020 } | |
| 2021 if (hitScrollBar) return; | |
| 2022 MouseHandler(position, buttons, false); | |
| 2023 } | |
| 2024 private void MouseHandler(Point position, MouseButtons buttons, Boolean down) { | |
| 2025 if ((buttons & MouseButtons.Left) != 0 && itemsView.Count > 0) { | |
| 2026 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 2027 int i = (position.Y - 2) / lh + offset; | |
| 2028 if (i < 0) i = 0; | |
| 2029 if (i >= itemsView.Count) i = itemsView.Count - 1; | |
| 2030 Boolean changed = false; | |
| 2031 FBGTreeNode current = itemsView[i]; | |
| 2032 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 2033 highlighted = current; | |
| 2034 if (current.Children.Count > 0 && (new Rectangle(3 + 19 * current.Depth, 2 + lh * (i - offset) + 2, 8, 8)).Contains(position)) { | |
| 2035 if (down) current.Expanded = !current.Expanded; | |
| 2036 } else if (current.HasCheckBox && (new Rectangle(3 + 19 * current.Depth + 14 + 2, 2 + lh * (i - offset), lh, lh)).Contains(position)) { | |
| 2037 if (down) current.Checked = !current.Checked; | |
| 2038 } else if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 2039 SelectedNode = current; | |
| 2040 changed = false; | |
| 2041 } | |
| 2042 if (changed) Invalidate(); | |
| 2043 } | |
| 2044 } | |
| 2045 protected override void KeyDown(Keys key) { | |
| 2046 base.KeyDown(key); | |
| 2047 if (key == Keys.Up) { | |
| 2048 int i = itemsView.IndexOf(selected); | |
| 2049 i--; | |
| 2050 if (i >= 0) SelectAndScrollIntoView(itemsView[i]); | |
| 2051 } else if (key == Keys.Down) { | |
| 2052 int i = itemsView.IndexOf(selected); | |
| 2053 i++; | |
| 2054 if (i < itemsView.Count) SelectAndScrollIntoView(itemsView[i]); | |
| 2055 } else if (key == Keys.Left && selected != null) { | |
| 2056 if (selected.Expanded && selected.Children.Count > 0) { | |
| 2057 selected.Expanded = false; | |
| 2058 } else { | |
| 2059 FBGTreeNode tn = selected.Parent as FBGTreeNode; | |
| 2060 if (tn != null) SelectAndScrollIntoView(tn); | |
| 2061 } | |
| 2062 } else if (key == Keys.Right && selected != null) { | |
| 2063 if (!selected.Expanded && selected.Children.Count > 0) { | |
| 2064 selected.Expanded = true; | |
| 2065 } else if (selected.Children.Count > 0) { | |
| 2066 SelectAndScrollIntoView(selected.Children[0]); | |
| 2067 } | |
| 2068 } else if (key == Keys.Space && selected != null) { | |
| 2069 if (selected.HasCheckBox) selected.Checked = !selected.Checked; | |
| 2070 } | |
| 2071 } | |
| 2072 private void SelectAndScrollIntoView(FBGTreeNode tn) { | |
| 2073 int i = itemsView.IndexOf(tn); | |
| 2074 if (i == -1) { | |
| 2075 for (FBGTreeNode tp = tn.Parent as FBGTreeNode; tp != null; tp = tp.Parent as FBGTreeNode) if (!tp.Expanded) tp.Expanded = true; | |
| 2076 i = itemsView.IndexOf(tn); | |
| 2077 } | |
| 2078 if (i != -1) { | |
| 2079 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 2080 if (i < offset) offset = i; | |
| 2081 offset = Math.Max(offset, i - Bounds.Height / lh + 1); | |
| 2082 } | |
| 2083 highlighted = tn; | |
| 2084 SelectedNode = tn; | |
| 2085 } | |
| 2086 } | |
| 2087 } |