Mercurial > hg > ucis.core
annotate FBGUI.cs @ 26:7f0b7a53a000
FBGUI: Allow derived classes to access some internals
| author | Ivo Smits <Ivo@UCIS.nl> |
|---|---|
| date | Mon, 15 Apr 2013 20:29:02 +0200 |
| parents | 644a923bca98 |
| children | 5bfc6c68591e |
| rev | line source |
|---|---|
| 23 | 1 ???using System; |
| 2 using System.Collections.Generic; | |
| 3 using System.Drawing; | |
| 4 using System.Drawing.Drawing2D; | |
| 5 using System.Drawing.Imaging; | |
| 6 using System.IO; | |
| 7 using System.Threading; | |
| 8 using System.Windows.Forms; | |
| 9 using UCIS.VNCServer; | |
| 10 using ThreadingTimer = System.Threading.Timer; | |
| 11 | |
| 12 namespace UCIS.FBGUI { | |
| 13 public interface IFBGControl { | |
| 14 Rectangle Bounds { get; set; } | |
| 15 Boolean Visible { get; set; } | |
| 16 void Paint(Graphics g); | |
| 17 void MouseMove(Point position, MouseButtons buttons); | |
| 18 void MouseDown(Point position, MouseButtons buttons); | |
| 19 void MouseUp(Point position, MouseButtons buttons); | |
| 20 void KeyDown(Keys key); | |
| 21 void KeyPress(Char keyChar); | |
| 22 void KeyUp(Keys key); | |
| 23 void LostKeyboardCapture(); | |
| 24 void Orphaned(); | |
| 25 } | |
| 26 public interface IFBGContainerControl { | |
| 27 Size Size { get; } //Todo: really necessary? Probably not. | |
| 28 void Invalidate(IFBGControl control, Rectangle rect); | |
| 29 void AddControl(IFBGControl control); | |
| 30 void RemoveControl(IFBGControl control); | |
| 31 Boolean CaptureMouse(IFBGControl control, Boolean capture); | |
| 32 Boolean CaptureKeyboard(IFBGControl control, Boolean capture); | |
| 33 } | |
| 34 public class FBGControl : IFBGControl { | |
| 35 private Rectangle bounds = new Rectangle(0, 0, 100, 100); | |
| 36 private Color backColor = Color.Transparent; | |
| 37 private Boolean visible = true; | |
| 38 public virtual IFBGContainerControl Parent { get; private set; } | |
| 39 public event MouseEventHandler OnMouseDown; | |
| 40 public event MouseEventHandler OnMouseMove; | |
| 41 public event MouseEventHandler OnMouseUp; | |
| 42 public event PaintEventHandler OnPaint; | |
| 43 public event EventHandler OnResize; | |
| 44 public event EventHandler OnMove; | |
| 45 public FBGControl(IFBGContainerControl parent) { | |
| 46 this.Parent = parent; | |
| 47 if (Parent != null) Parent.AddControl(this); | |
| 48 } | |
| 49 public virtual Rectangle Bounds { | |
| 50 get { return bounds; } | |
| 51 set { | |
| 52 if (bounds == value) return; | |
| 53 Rectangle old = bounds; | |
| 54 bounds = value; | |
| 55 Parent.Invalidate(this, Rectangle.Union(new Rectangle(Point.Empty, value.Size), new Rectangle(old.X - value.X, old.Y - value.Y, old.Width, old.Height))); | |
| 56 if (value.Location != old.Location) RaiseEvent(OnMove); | |
| 57 if (value.Size != old.Size) RaiseEvent(OnResize); | |
| 58 } | |
| 59 } | |
| 60 public virtual Boolean Visible { | |
| 61 get { return visible; } | |
| 62 set { | |
| 63 visible = value; | |
| 64 Invalidate(); | |
| 65 } | |
| 66 } | |
| 67 public Size Size { get { return Bounds.Size; } set { Rectangle r = Bounds; r.Size = value; Bounds = r; } } | |
| 68 public Point Location { get { return Bounds.Location; } set { Rectangle r = Bounds; r.Location = value; Bounds = r; } } | |
| 69 public int Left { get { return Bounds.Left; } set { Rectangle r = Bounds; r.X = value; Bounds = r; } } | |
| 70 public int Top { get { return Bounds.Top; } set { Rectangle r = Bounds; r.Y = value; Bounds = r; } } | |
| 71 public int Width { get { return Bounds.Width; } set { Rectangle r = Bounds; r.Width = value; Bounds = r; } } | |
| 72 public int Height { get { return Bounds.Height; } set { Rectangle r = Bounds; r.Height = value; Bounds = r; } } | |
| 73 public virtual Color BackColor { get { return backColor; } set { if (backColor == value) return; backColor = value; Invalidate(); } } | |
| 74 public virtual void Invalidate() { | |
| 75 Invalidate(new Rectangle(Point.Empty, Bounds.Size)); | |
| 76 } | |
| 77 public virtual void Invalidate(Rectangle rect) { | |
| 78 Parent.Invalidate(this, rect); | |
| 79 } | |
| 80 void IFBGControl.Paint(Graphics g) { Paint(g); } | |
| 81 void IFBGControl.MouseMove(Point position, MouseButtons buttons) { MouseMove(position, buttons); } | |
| 82 void IFBGControl.MouseDown(Point position, MouseButtons buttons) { MouseDown(position, buttons); } | |
| 83 void IFBGControl.MouseUp(Point position, MouseButtons buttons) { MouseUp(position, buttons); } | |
| 84 void IFBGControl.KeyDown(Keys g) { KeyDown(g); } | |
| 85 void IFBGControl.KeyPress(Char g) { KeyPress(g); } | |
| 86 void IFBGControl.KeyUp(Keys g) { KeyUp(g); } | |
| 87 void IFBGControl.LostKeyboardCapture() { LostKeyboardCapture(); } | |
| 88 void IFBGControl.Orphaned() { Orphaned(); } | |
| 89 protected virtual void Paint(Graphics g) { | |
| 90 if (!visible) return; | |
| 91 if (backColor.A != 0) g.Clear(backColor); | |
| 92 RaiseEvent(OnPaint, new PaintEventArgs(g, Rectangle.Round(g.ClipBounds))); | |
| 93 } | |
| 94 protected virtual void MouseMove(Point position, MouseButtons buttons) { RaiseEvent(OnMouseMove, new MouseEventArgs(buttons, 0, position.X, position.Y, 0)); } | |
| 95 protected virtual void MouseDown(Point position, MouseButtons buttons) { RaiseEvent(OnMouseDown, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } | |
| 96 protected virtual void MouseUp(Point position, MouseButtons buttons) { RaiseEvent(OnMouseUp, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } | |
| 97 protected virtual Boolean CaptureMouse(Boolean capture) { | |
| 98 return Parent.CaptureMouse(this, capture); | |
| 99 } | |
| 100 protected virtual void KeyDown(Keys key) { } | |
| 101 protected virtual void KeyPress(Char keyChar) { } | |
| 102 protected virtual void KeyUp(Keys key) { } | |
| 103 protected virtual Boolean CaptureKeyboard(Boolean capture) { | |
| 104 return Parent.CaptureKeyboard(this, capture); | |
| 105 } | |
| 106 protected virtual void LostKeyboardCapture() { } | |
| 107 protected virtual void Orphaned() { | |
| 108 //IDisposable disp = this as IDisposable; | |
| 109 //if (!ReferenceEquals(disp, null)) disp.Dispose(); | |
| 110 } | |
| 111 protected void RaiseEvent(KeyEventHandler eh, KeyEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 112 protected void RaiseEvent(KeyPressEventHandler eh, KeyPressEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 113 protected void RaiseEvent(MouseEventHandler eh, MouseEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 114 protected void RaiseEvent(PaintEventHandler eh, PaintEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 115 protected void RaiseEvent<T>(EventHandler<T> eh, T ea) where T : EventArgs { if (eh != null) eh(this, ea); } | |
| 116 protected void RaiseEvent(EventHandler eh, EventArgs ea) { if (eh != null) eh(this, ea); } | |
| 117 protected void RaiseEvent(EventHandler eh) { if (eh != null) eh(this, new EventArgs()); } | |
| 118 } | |
| 119 public class FBGContainerControl : FBGControl, IFBGContainerControl { | |
| 120 protected List<IFBGControl> controls = new List<IFBGControl>(); | |
|
26
7f0b7a53a000
FBGUI: Allow derived classes to access some internals
Ivo Smits <Ivo@UCIS.nl>
parents:
23
diff
changeset
|
121 protected IFBGControl mouseCaptureControl = null; |
|
7f0b7a53a000
FBGUI: Allow derived classes to access some internals
Ivo Smits <Ivo@UCIS.nl>
parents:
23
diff
changeset
|
122 protected IFBGControl keyboardCaptureControl = null; |
| 23 | 123 private Rectangle childarea = Rectangle.Empty; |
| 124 public Rectangle ClientRectangle { get { return childarea; } protected set { childarea = value; Invalidate(); } } | |
| 125 public FBGContainerControl(IFBGContainerControl parent) : base(parent) { } | |
| 126 Size IFBGContainerControl.Size { get { return childarea.IsEmpty ? Bounds.Size : childarea.Size; } } | |
| 127 void IFBGContainerControl.AddControl(IFBGControl control) { AddControl(control); } | |
| 128 protected virtual void AddControl(IFBGControl control) { | |
| 129 controls.Add(control); | |
| 130 if (control.Visible) Invalidate(control); | |
| 131 } | |
| 132 public virtual void RemoveControl(IFBGControl control) { | |
| 133 if (controls.Remove(control)) { | |
| 134 if (control.Visible) Invalidate(control); | |
| 135 CaptureMouse(control, false); | |
| 136 CaptureKeyboard(control, false); | |
| 137 control.Orphaned(); | |
| 138 } | |
| 139 } | |
| 140 public virtual Point PointToChild(IFBGControl child, Point point) { | |
| 141 return point - (Size)child.Bounds.Location - (Size)ClientRectangle.Location; | |
| 142 } | |
| 143 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 144 return point + (Size)child.Bounds.Location + (Size)ClientRectangle.Location; | |
| 145 } | |
| 146 public virtual void BringControlToFront(IFBGControl control) { | |
| 147 if (controls.Count == 0) return; | |
| 148 if (ReferenceEquals(controls[controls.Count - 1], control)) return; | |
| 149 if (!controls.Remove(control)) return; | |
| 150 controls.Add(control); | |
| 151 if (control.Visible) Invalidate(control); | |
| 152 } | |
| 153 public virtual void Invalidate(IFBGControl control) { | |
| 154 Invalidate(new Rectangle(PointFromChild(control, Point.Empty), control.Bounds.Size)); | |
| 155 } | |
| 156 public virtual void Invalidate(IFBGControl control, Rectangle rect) { | |
| 157 Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); | |
| 158 } | |
| 159 protected override void Paint(Graphics g) { | |
| 160 base.Paint(g); | |
| 161 if (controls == null) return; | |
| 162 GraphicsState state2 = null; | |
| 163 if (!childarea.IsEmpty) { | |
| 164 state2 = g.Save(); | |
| 165 g.TranslateTransform(childarea.X, childarea.Y, MatrixOrder.Append); | |
| 166 g.IntersectClip(new Rectangle(Point.Empty, childarea.Size)); | |
| 167 } | |
| 168 foreach (IFBGControl control in controls) { | |
| 169 if (!control.Visible) continue; | |
| 170 if (control.Bounds.Width <= 0 || control.Bounds.Height <= 0) continue; | |
| 171 if (!g.ClipBounds.IntersectsWith((RectangleF)control.Bounds)) continue; | |
| 172 GraphicsState state = g.Save(); | |
| 173 g.TranslateTransform(control.Bounds.X, control.Bounds.Y, MatrixOrder.Append); | |
| 174 g.IntersectClip(new Rectangle(Point.Empty, control.Bounds.Size)); | |
| 175 control.Paint(g); | |
| 176 g.Restore(state); | |
| 177 } | |
| 178 if (state2 != null) g.Restore(state2); | |
| 179 } | |
| 180 public IFBGControl FindControlAtPosition(Point p) { | |
| 181 if (!childarea.IsEmpty && !childarea.Contains(p)) return null; | |
| 182 p.Offset(-childarea.X, -childarea.Y); | |
| 183 return ((List<IFBGControl>)controls).FindLast(delegate(IFBGControl control) { return control.Visible && control.Bounds.Contains(p); }); | |
| 184 } | |
| 185 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 186 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); | |
| 187 if (control == null) { | |
| 188 base.MouseMove(position, buttons); | |
| 189 } else { | |
| 190 control.MouseMove(PointToChild(control, position), buttons); | |
| 191 } | |
| 192 } | |
| 193 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 194 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); | |
| 195 if (control == null) { | |
| 196 base.MouseDown(position, buttons); | |
| 197 } else { | |
| 198 control.MouseDown(PointToChild(control, position), buttons); | |
| 199 } | |
| 200 } | |
| 201 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 202 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); | |
| 203 if (control == null) { | |
| 204 base.MouseUp(position, buttons); | |
| 205 } else { | |
| 206 control.MouseUp(PointToChild(control, position), buttons); | |
| 207 } | |
| 208 } | |
| 209 Boolean IFBGContainerControl.CaptureMouse(IFBGControl control, Boolean capture) { return CaptureMouse(control, capture); } | |
| 210 protected Boolean CaptureMouse(IFBGControl control, Boolean capture) { | |
| 211 if (capture && !ReferenceEquals(mouseCaptureControl, null)) return false; | |
| 212 if (!capture && !ReferenceEquals(mouseCaptureControl, control)) return false; | |
| 213 if (!CaptureMouse(capture)) return false; | |
| 214 mouseCaptureControl = capture ? control : null; | |
| 215 return true; | |
| 216 } | |
| 217 protected override void KeyDown(Keys key) { | |
| 218 if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyDown(key); | |
| 219 else keyboardCaptureControl.KeyDown(key); | |
| 220 } | |
| 221 protected override void KeyPress(Char keyChar) { | |
| 222 if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyPress(keyChar); | |
| 223 else keyboardCaptureControl.KeyPress(keyChar); | |
| 224 } | |
| 225 protected override void KeyUp(Keys key) { | |
| 226 if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyUp(key); | |
| 227 else keyboardCaptureControl.KeyUp(key); | |
| 228 } | |
| 229 Boolean IFBGContainerControl.CaptureKeyboard(IFBGControl control, Boolean capture) { return CaptureKeyboard(control, capture); } | |
| 230 protected Boolean CaptureKeyboard(IFBGControl control, Boolean capture) { | |
| 231 if (!capture && !ReferenceEquals(keyboardCaptureControl, control)) return false; | |
| 232 if (!CaptureKeyboard(capture)) return false; | |
| 233 IFBGControl prev = keyboardCaptureControl; | |
| 234 keyboardCaptureControl = capture ? control : null; | |
| 235 if (prev != null) LostKeyboardCapture(); | |
| 236 return true; | |
| 237 } | |
| 238 protected override void LostKeyboardCapture() { | |
| 239 base.LostKeyboardCapture(); | |
| 240 if (keyboardCaptureControl != null) keyboardCaptureControl.LostKeyboardCapture(); | |
| 241 } | |
| 242 protected override void Orphaned() { | |
| 243 base.Orphaned(); | |
| 244 IFBGControl[] c = controls.ToArray(); | |
| 245 controls.Clear(); | |
| 246 foreach (IFBGControl control in c) control.Orphaned(); | |
| 247 mouseCaptureControl = null; | |
| 248 keyboardCaptureControl = null; | |
| 249 } | |
| 250 } | |
| 251 public class FBGDockContainer : FBGContainerControl { | |
| 252 private Dictionary<IFBGControl, DockStyle> dockStyles = new Dictionary<IFBGControl, DockStyle>(); | |
| 253 private Dictionary<IFBGControl, AnchorStyles> anchorStyles = new Dictionary<IFBGControl, AnchorStyles>(); | |
| 254 private Rectangle oldBounds; | |
| 255 public FBGDockContainer(IFBGContainerControl parent) | |
| 256 : base(parent) { | |
| 257 oldBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 258 } | |
| 259 protected override void AddControl(IFBGControl control) { | |
| 260 base.AddControl(control); | |
| 261 } | |
| 262 public override void BringControlToFront(IFBGControl control) { | |
| 263 base.BringControlToFront(control); | |
| 264 if (dockStyles.ContainsKey(control)) DoLayout(); | |
| 265 } | |
| 266 public override void RemoveControl(IFBGControl control) { | |
| 267 base.RemoveControl(control); | |
| 268 if (dockStyles.Remove(control)) DoLayout(); | |
| 269 } | |
| 270 public override Rectangle Bounds { | |
| 271 get { return base.Bounds; } | |
| 272 set { | |
| 273 base.Bounds = value; | |
| 274 DoLayout(); | |
| 275 Rectangle newBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 276 foreach (KeyValuePair<IFBGControl, AnchorStyles> c in anchorStyles) { | |
| 277 Rectangle b = c.Key.Bounds; | |
| 278 if ((c.Value & AnchorStyles.Right) != 0) { | |
| 279 if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.Width - oldBounds.Width; | |
| 280 else b.Width += newBounds.Width - oldBounds.Width; | |
| 281 } else if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.X - oldBounds.X; | |
| 282 if ((c.Value & AnchorStyles.Bottom) != 0) { | |
| 283 if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Height - oldBounds.Height; | |
| 284 else b.Height += newBounds.Height - oldBounds.Height; | |
| 285 } else if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Y - oldBounds.Y; | |
| 286 c.Key.Bounds = b; | |
| 287 } | |
| 288 oldBounds = newBounds; | |
| 289 } | |
| 290 } | |
| 291 public DockStyle GetDockStyle(IFBGControl control) { | |
| 292 DockStyle ds; | |
| 293 if (!dockStyles.TryGetValue(control, out ds)) ds = DockStyle.None; | |
| 294 return ds; | |
| 295 } | |
| 296 public void SetDockStyle(IFBGControl control, DockStyle style) { | |
| 297 if (style == DockStyle.None) { | |
| 298 if (dockStyles.Remove(control)) DoLayout(); | |
| 299 } else if (controls.Contains(control)) { | |
| 300 anchorStyles.Remove(control); | |
| 301 dockStyles[control] = style; | |
| 302 DoLayout(); | |
| 303 } | |
| 304 } | |
| 305 public AnchorStyles GetAnchorStyle(IFBGControl control) { | |
| 306 AnchorStyles ds; | |
| 307 if (!anchorStyles.TryGetValue(control, out ds)) ds = AnchorStyles.Left | AnchorStyles.Top; | |
| 308 return ds; | |
| 309 } | |
| 310 public void SetAnchorStyle(IFBGControl control, AnchorStyles style) { | |
| 311 if (style == (AnchorStyles.Left | AnchorStyles.Top)) { | |
| 312 anchorStyles.Remove(control); | |
| 313 } else if (controls.Contains(control)) { | |
| 314 dockStyles.Remove(control); | |
| 315 anchorStyles[control] = style; | |
| 316 } | |
| 317 } | |
| 318 public void SetAnchor(IFBGControl control, AnchorStyles style, int value) { | |
| 319 if (controls.Contains(control)) { | |
| 320 AnchorStyles oldstyle; | |
| 321 if (!anchorStyles.TryGetValue(control, out oldstyle)) oldstyle = AnchorStyles.Left | AnchorStyles.Top; | |
| 322 Rectangle b = control.Bounds; | |
| 323 switch (style) { | |
| 324 case AnchorStyles.None: throw new ArgumentException("style", "Anchor style can not be None"); | |
| 325 case AnchorStyles.Left: b.X = value; break; | |
| 326 case AnchorStyles.Top: b.Y = value; break; | |
| 327 case AnchorStyles.Right: | |
| 328 if ((oldstyle & AnchorStyles.Left) == 0) b.X = ClientRectangle.Width - b.Width - value; | |
| 329 else b.Width = ClientRectangle.Width - b.X - value; | |
| 330 break; | |
| 331 case AnchorStyles.Bottom: | |
| 332 if ((oldstyle & AnchorStyles.Top) == 0) b.Y = ClientRectangle.Height - b.Height - value; | |
| 333 else b.Height = ClientRectangle.Height - b.Y - value; | |
| 334 break; | |
| 335 default: throw new ArgumentOutOfRangeException("style", "The value vor the style argument is invalid"); | |
| 336 } | |
| 337 control.Bounds = b; | |
| 338 dockStyles.Remove(control); | |
| 339 anchorStyles[control] = oldstyle | style; | |
| 340 } | |
| 341 } | |
| 342 private void DoLayout() { | |
| 343 Rectangle a = new Rectangle(Point.Empty, ClientRectangle.IsEmpty ? Bounds.Size : ClientRectangle.Size); | |
| 344 foreach (KeyValuePair<IFBGControl, DockStyle> c in dockStyles) { | |
| 345 Rectangle b = c.Key.Bounds; | |
| 346 if (c.Value == DockStyle.Left) { | |
| 347 b.Location = a.Location; | |
| 348 b.Height = a.Height; | |
| 349 a.X += b.Width; | |
| 350 a.Width -= b.Width; | |
| 351 } else if (c.Value == DockStyle.Top) { | |
| 352 b.Location = a.Location; | |
| 353 b.Width = a.Width; | |
| 354 a.Y += b.Height; | |
| 355 a.Height -= b.Height; | |
| 356 } else if (c.Value == DockStyle.Right) { | |
| 357 b.X = a.X + a.Width - b.Width; | |
| 358 b.Y = a.Y; | |
| 359 b.Height = a.Height; | |
| 360 a.Width -= b.Width; | |
| 361 } else if (c.Value == DockStyle.Bottom) { | |
| 362 b.X = a.X; | |
| 363 b.Y = a.Y + a.Height - b.Height; | |
| 364 b.Width = a.Width; | |
| 365 a.Height -= b.Height; | |
| 366 } else if (c.Value == DockStyle.Fill) { | |
| 367 b = a; | |
| 368 } | |
| 369 c.Key.Bounds = b; | |
| 370 if (a.Width < 0) a.Width = 0; | |
| 371 if (a.Height < 0) a.Height = 0; | |
| 372 } | |
| 373 } | |
| 374 } | |
| 375 public class FBGGroupBox : FBGDockContainer { | |
| 376 private String text = String.Empty; | |
| 377 public FBGGroupBox(IFBGContainerControl parent) | |
| 378 : base(parent) { | |
| 379 ClientRectangle = new Rectangle(1, 15, Bounds.Width - 2, Bounds.Height - 17); | |
| 380 } | |
| 381 public override Rectangle Bounds { | |
| 382 get { return base.Bounds; } | |
| 383 set { | |
| 384 ClientRectangle = new Rectangle(1, 15, value.Width - 2, value.Height - 17); | |
| 385 base.Bounds = value; | |
| 386 } | |
| 387 } | |
| 388 public String Text { get { return text; } set { if (text == value) return; text = value; Invalidate(new Rectangle(0, 0, Bounds.Width, 15)); } } | |
| 389 protected override void Paint(Graphics g) { | |
| 390 base.Paint(g); | |
| 391 g.DrawRectangle(Pens.Gray, 0, 6, Bounds.Width - 1, Bounds.Height - 7); | |
| 392 SizeF ss = g.MeasureString(Text, SystemFonts.DefaultFont, new Size(Bounds.Width - 10 - 9, 15)); | |
| 393 g.FillRectangle(SystemBrushes.Control, 9, 0, ss.Width, ss.Height); | |
| 394 g.DrawString(Text, SystemFonts.DefaultFont, Brushes.DarkBlue, new Rectangle(9, 0, Bounds.Width - 10 - 9, 15)); | |
| 395 } | |
| 396 } | |
| 397 public class WinFormsFBGHost : Control, IFBGContainerControl { | |
| 398 private IFBGControl childControl = null; | |
| 399 private IFBGControl mouseCaptureControl = null; | |
| 400 private IFBGControl keyboardCaptureControl = null; | |
| 401 public IFBGControl ChildControl { get { return childControl; } } | |
| 402 | |
| 403 public WinFormsFBGHost() { | |
| 404 DoubleBuffered = true; | |
| 405 } | |
| 406 | |
| 407 public virtual Point PointToChild(IFBGControl child, Point point) { | |
| 408 return point - (Size)child.Bounds.Location; | |
| 409 } | |
| 410 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 411 return point + (Size)child.Bounds.Location; | |
| 412 } | |
| 413 | |
| 414 Size IFBGContainerControl.Size { get { return ClientSize; } } | |
| 415 void IFBGContainerControl.Invalidate(IFBGControl control, Rectangle rect) { | |
| 416 Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); | |
| 417 } | |
| 418 void IFBGContainerControl.AddControl(IFBGControl control) { | |
| 419 if (!ReferenceEquals(childControl, null)) throw new InvalidOperationException("This container can have only one child control"); | |
| 420 childControl = control; | |
| 421 control.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 422 Invalidate(control.Bounds); | |
| 423 } | |
| 424 void IFBGContainerControl.RemoveControl(IFBGControl control) { | |
| 425 if (!ReferenceEquals(childControl, control)) return; | |
| 426 childControl = null; | |
| 427 Invalidate(control.Bounds); | |
| 428 if (mouseCaptureControl == control) mouseCaptureControl = null; | |
| 429 if (keyboardCaptureControl == control) control = null; | |
| 430 control.Orphaned(); | |
| 431 } | |
| 432 Boolean IFBGContainerControl.CaptureMouse(IFBGControl control, Boolean capture) { | |
| 433 if (capture && !ReferenceEquals(mouseCaptureControl, null)) return false; | |
| 434 if (!capture && !ReferenceEquals(mouseCaptureControl, control)) return false; | |
| 435 mouseCaptureControl = capture ? control : null; | |
| 436 return true; | |
| 437 } | |
| 438 Boolean IFBGContainerControl.CaptureKeyboard(IFBGControl control, Boolean capture) { | |
| 439 if (!capture && !ReferenceEquals(keyboardCaptureControl, control)) return false; | |
| 440 keyboardCaptureControl = capture ? control : null; | |
| 441 return true; | |
| 442 } | |
| 443 | |
| 444 protected override void OnPaint(PaintEventArgs e) { | |
| 445 base.OnPaint(e); | |
| 446 Graphics g = e.Graphics; | |
| 447 GraphicsState state = g.Save(); | |
| 448 g.SetClip(e.ClipRectangle); | |
| 449 if (ReferenceEquals(childControl, null)) return; | |
| 450 if (childControl.Bounds.Width <= 0 || childControl.Bounds.Height <= 0) return; | |
| 451 if (!g.ClipBounds.IntersectsWith((RectangleF)childControl.Bounds)) return; | |
| 452 g.TranslateTransform(childControl.Bounds.X, childControl.Bounds.Y, MatrixOrder.Append); | |
| 453 g.IntersectClip(new Rectangle(Point.Empty, childControl.Bounds.Size)); | |
| 454 childControl.Paint(g); | |
| 455 g.Restore(state); | |
| 456 } | |
| 457 protected override void OnResize(EventArgs e) { | |
| 458 if (!ReferenceEquals(childControl, null)) childControl.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 459 base.OnResize(e); | |
| 460 } | |
| 461 protected override void OnMouseDown(MouseEventArgs e) { | |
| 462 base.OnMouseDown(e); | |
| 463 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; | |
| 464 if (control != null) control.MouseDown(PointToChild(control, e.Location), e.Button); | |
| 465 } | |
| 466 protected override void OnMouseUp(MouseEventArgs e) { | |
| 467 base.OnMouseUp(e); | |
| 468 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; | |
| 469 if (control != null) control.MouseUp(PointToChild(control, e.Location), e.Button); | |
| 470 } | |
| 471 protected override void OnMouseMove(MouseEventArgs e) { | |
| 472 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; | |
| 473 if (control != null) control.MouseMove(PointToChild(control, e.Location), e.Button); | |
| 474 } | |
| 475 protected override bool IsInputChar(char charCode) { | |
| 476 return true; | |
| 477 } | |
| 478 protected override bool IsInputKey(Keys keyData) { | |
| 479 return true; | |
| 480 } | |
| 481 protected override void OnKeyDown(KeyEventArgs e) { | |
| 482 //base.OnKeyDown(e); | |
| 483 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyDown(e.KeyData); | |
| 484 } | |
| 485 protected override void OnKeyPress(KeyPressEventArgs e) { | |
| 486 //base.OnKeyPress(e); | |
| 487 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyPress(e.KeyChar); | |
| 488 } | |
| 489 protected override void OnKeyUp(KeyEventArgs e) { | |
| 490 //base.OnKeyUp(e); | |
| 491 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyUp(e.KeyData); | |
| 492 } | |
| 493 protected override void OnHandleDestroyed(EventArgs e) { | |
| 494 if (!ReferenceEquals(childControl, null)) childControl.Orphaned(); | |
| 495 base.OnHandleDestroyed(e); | |
| 496 } | |
| 497 } | |
| 498 public class FBGCursor { | |
| 499 public Image Image { get; private set; } | |
| 500 public Point Hotspot { get; private set; } | |
| 501 public Size Size { get; private set; } | |
| 502 public FBGCursor(Image image, Point hotspot) { | |
| 503 this.Image = image; | |
| 504 this.Hotspot = hotspot; | |
| 505 this.Size = image.Size; | |
| 506 } | |
| 507 | |
| 508 private const String ArrowCursorImageData = "iVBORw0KGgoAAAANSUhEUgAAAAwAAAAVCAYAAAByrA+0AAAAkUlEQVR42pWTORbEMAhDJb3cYNqUuf+JUk6bM2iKLM9DvGAqG/MFxpgAfKwbkTQBwOe7ewqwnYZ0L7KQyk0GUnSMINWcPUgtpRakXr01SKOuREiZ3pcQz329KeR7YpZaUCkQ50wjxWYGko8aSduGbZD8m2bF4NQsxeBj3XiX92rrzOfpvkMrizBpS+/wyuLynj9U+GDtLEEVuQAAAABJRU5ErkJggg=="; | |
| 509 public static readonly FBGCursor ArrowCursor = new FBGCursor(Image.FromStream(new MemoryStream(Convert.FromBase64String(ArrowCursorImageData))), Point.Empty); | |
| 510 } | |
| 511 public class FBGRenderer : FBGContainerControl, IDisposable { | |
| 512 private FBGCursor cursor = null; | |
| 513 private Point cursorposition = Point.Empty; | |
| 514 public IFramebuffer Framebuffer { get; private set; } | |
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515 private Bitmap Frontbuffer = null; |
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516 protected Object RenderLock = new object(); |
| 23 | 517 public event EventHandler<InvalidateEventArgs> Painted; |
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518 protected Size size = Size.Empty; |
| 23 | 519 private ThreadingTimer PaintTimer = null; |
| 520 private Boolean PaintScheduled = false; | |
| 521 private int PaintDelay = 0; | |
| 522 public Boolean SuspendDrawing { | |
| 523 get { return suspenddrawing; } | |
| 524 set { | |
| 525 lock (RenderLock) { | |
| 526 suspenddrawing = value; | |
| 527 if (!value) { | |
| 528 Refresh(DirtyRectangle); | |
| 529 DirtyRectangle = Rectangle.Empty; | |
| 530 } | |
| 531 } | |
| 532 } | |
| 533 } | |
| 534 public int RedrawDelay { | |
| 535 get { return PaintDelay; } | |
| 536 set { | |
| 537 lock (RenderLock) { | |
| 538 if (value < 0) throw new ArgumentOutOfRangeException("value"); | |
| 539 PaintDelay = value; | |
| 540 if (PaintDelay == 0) { | |
| 541 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 542 PaintTimer = null; | |
| 543 if (PaintScheduled) PaintTimerCallback(null); | |
| 544 } else { | |
| 545 PaintTimer = new ThreadingTimer(PaintTimerCallback); | |
| 546 } | |
| 547 } | |
| 548 } | |
| 549 } | |
| 550 private Boolean suspenddrawing = false; | |
| 551 private Rectangle DirtyRectangle; | |
| 552 | |
| 553 public FBGCursor Cursor { | |
| 554 get { return cursor; } | |
| 555 set { | |
| 556 cursor = value; | |
| 557 Invalidate(); | |
| 558 } | |
| 559 } | |
| 560 public Point CursorPosition { | |
| 561 get { return cursorposition; } | |
| 562 set { | |
| 563 if (cursorposition == value) return; | |
| 564 Point oldposition = cursorposition; | |
| 565 cursorposition = value; | |
| 566 if (cursor == null) return; | |
| 567 Size s = cursor.Size; | |
| 568 if (s.Width == 0 && s.Height == 0) s = new Size(32, 32); | |
| 569 Rectangle r = Rectangle.Union(new Rectangle(oldposition, s), new Rectangle(cursorposition, s)); | |
| 570 r.Offset(-cursor.Hotspot.X, -cursor.Hotspot.Y); | |
| 571 if (Environment.OSVersion.Platform == PlatformID.Unix) { | |
| 572 r = Rectangle.Union(r, Rectangle.Union(new Rectangle(oldposition.X - 2, oldposition.Y - 2, 4, 4), new Rectangle(cursorposition.X - 2, cursorposition.Y - 2, 4, 4))); | |
| 573 } | |
| 574 Invalidate(r); | |
| 575 } | |
| 576 } | |
| 577 public override Rectangle Bounds { | |
| 578 get { return new Rectangle(Point.Empty, size); } | |
| 579 set { throw new NotSupportedException("Can not change the top control bounds"); } | |
| 580 } | |
| 581 public FBGRenderer(IFramebuffer fb) : this(fb.Width, fb.Height) { | |
| 582 Framebuffer = fb; | |
| 583 } | |
| 584 public FBGRenderer(Size fbsize) : this(fbsize.Width, fbsize.Height) { } | |
| 585 public FBGRenderer(int width, int height) : this(new Bitmap(width, height, PixelFormat.Format32bppRgb)) { } | |
| 586 public FBGRenderer(Bitmap bmp) : base(null) { | |
| 587 Frontbuffer = bmp; | |
| 588 BackColor = SystemColors.Control; | |
| 589 size = Frontbuffer.Size; | |
| 590 } | |
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591 protected FBGRenderer() : base(null) { |
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592 BackColor = SystemColors.Control; |
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593 } |
| 23 | 594 public override void Invalidate(Rectangle rect) { |
| 595 if (rect.Width == 0 || rect.Height == 0) return; | |
| 596 lock (RenderLock) { | |
| 597 if (SuspendDrawing || PaintTimer != null) { | |
| 598 DirtyRectangle = DirtyRectangle.IsEmpty ? rect : Rectangle.Union(DirtyRectangle, rect); | |
| 599 if (!SuspendDrawing && !PaintScheduled) { | |
| 600 PaintScheduled = true; | |
| 601 PaintTimer.Change(PaintDelay, Timeout.Infinite); | |
| 602 } | |
| 603 } else { | |
| 604 Refresh(rect); | |
| 605 } | |
| 606 } | |
| 607 } | |
| 608 private void PaintTimerCallback(Object state) { | |
| 609 try { | |
| 610 lock (RenderLock) { | |
| 611 PaintScheduled = false; | |
| 612 Refresh(DirtyRectangle); | |
| 613 DirtyRectangle = Rectangle.Empty; | |
| 614 } | |
| 615 } catch { } | |
| 616 } | |
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617 protected virtual void Refresh(Rectangle rect) { |
| 23 | 618 lock (RenderLock) { |
| 619 rect.Intersect(Bounds); | |
| 620 if (rect.Width == 0 || rect.Height == 0) return; | |
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621 if (Frontbuffer != null) { |
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622 using (Graphics g = Graphics.FromImage(Frontbuffer)) { |
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623 g.SetClip(rect); |
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624 Paint(g); |
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625 } |
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626 if (Framebuffer != null) Framebuffer.DrawImage(Frontbuffer, rect, rect.Location); |
| 23 | 627 } |
| 628 RaiseEvent(Painted, new InvalidateEventArgs(rect)); | |
| 629 } | |
| 630 } | |
| 631 protected override void Paint(Graphics g) { | |
| 632 base.Paint(g); | |
| 633 if (Cursor != null) { | |
| 634 Point r = CursorPosition; | |
| 635 r.Offset(-cursor.Hotspot.X, -cursor.Hotspot.Y); | |
| 636 g.DrawImageUnscaled(Cursor.Image, r); | |
| 637 } | |
| 638 } | |
| 639 protected override Boolean CaptureMouse(Boolean capture) { | |
| 640 return true; | |
| 641 } | |
| 642 protected override Boolean CaptureKeyboard(bool capture) { | |
| 643 return true; | |
| 644 } | |
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645 public virtual void Dispose() { |
| 23 | 646 lock (RenderLock) { |
| 647 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 648 PaintTimer = null; | |
| 649 } | |
| 650 Orphaned(); | |
| 651 if (Frontbuffer != null) Frontbuffer.Dispose(); | |
| 652 } | |
| 653 public Bitmap LockBitmapBuffer() { | |
| 654 Monitor.Enter(RenderLock); | |
| 655 return Frontbuffer; | |
| 656 } | |
| 657 public void UnlockBitmapBuffer() { | |
| 658 Monitor.Exit(RenderLock); | |
| 659 } | |
| 660 public new void MouseMove(Point position, MouseButtons buttons) { base.MouseMove(position, buttons); } | |
| 661 public new void MouseDown(Point position, MouseButtons buttons) { base.MouseDown(position, buttons); } | |
| 662 public new void MouseUp(Point position, MouseButtons buttons) { base.MouseUp(position, buttons); } | |
| 663 public new void KeyDown(Keys key) { base.KeyDown(key); } | |
| 664 public new void KeyPress(Char key) { base.KeyPress(key); } | |
| 665 public new void KeyUp(Keys key) { base.KeyUp(key); } | |
| 666 } | |
| 667 public class FBGForm : FBGDockContainer { | |
| 668 private Point prevPosition = Point.Empty; | |
| 669 private NonClientOps moveresize = 0; | |
| 670 private String text = String.Empty; | |
| 671 public event EventHandler TextChanged; | |
| 672 public Boolean Sizable { get; set; } | |
| 673 public Boolean Movable { get; set; } | |
| 674 public Boolean Closable { get; set; } | |
| 675 [Flags] | |
| 676 private enum NonClientOps : int { | |
| 677 None = 0, | |
| 678 Move = 1, | |
| 679 ResizeLeft = 2, | |
| 680 ResizeRight = 4, | |
| 681 ResizeTop = 8, | |
| 682 ResizeBottom = 16, | |
| 683 ButtonClose = 32, | |
| 684 MoveResize = ResizeLeft | ResizeRight | ResizeBottom | ResizeTop | Move, | |
| 685 } | |
| 686 public FBGForm(IFBGContainerControl parent) : base(parent) { | |
| 687 BackColor = SystemColors.Control; | |
| 688 ClientRectangle = new Rectangle(4, 22, Bounds.Width - 8, Bounds.Height - 26); | |
| 689 Sizable = true; | |
| 690 Movable = true; | |
| 691 Closable = false; | |
| 692 } | |
| 693 public override Rectangle Bounds { | |
| 694 get { return base.Bounds; } | |
| 695 set { | |
| 696 ClientRectangle = new Rectangle(4, 22, value.Width - 8, value.Height - 26); | |
| 697 base.Bounds = value; | |
| 698 } | |
| 699 } | |
| 700 public String Text { get { return text; } set { if (text == value) return; text = value; Invalidate(new Rectangle(0, 0, Bounds.Width, 20)); RaiseEvent(TextChanged); } } | |
| 701 protected override void MouseDown(Point p, MouseButtons buttons) { | |
| 702 NonClientOps mr = 0; | |
| 703 if ((buttons & MouseButtons.Left) != 0) { | |
| 704 if ((new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(p)) { | |
| 705 mr = NonClientOps.ButtonClose; | |
| 706 } else { | |
| 707 if (Sizable) { | |
| 708 if (Movable) { | |
| 709 if (p.X < 4) mr |= NonClientOps.ResizeLeft; | |
| 710 if (p.Y < 4) mr |= NonClientOps.ResizeTop; | |
| 711 } | |
| 712 if (p.X >= Bounds.Width - 4) mr |= NonClientOps.ResizeRight; | |
| 713 if (p.Y >= Bounds.Height - 4) mr |= NonClientOps.ResizeBottom; | |
| 714 } | |
| 715 if (mr == 0 && Movable && p.Y < 20) mr = NonClientOps.Move; | |
| 716 } | |
| 717 } | |
| 718 if (mr != 0) { | |
| 719 moveresize = mr; | |
| 720 prevPosition = p; | |
| 721 CaptureMouse(true); | |
| 722 } else { | |
| 723 base.MouseDown(p, buttons); | |
| 724 } | |
| 725 } | |
| 726 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 727 if (moveresize == 0) { | |
| 728 base.MouseMove(position, buttons); | |
| 729 } else if ((moveresize & NonClientOps.MoveResize) != 0) { | |
| 730 Rectangle b = Bounds; | |
| 731 int dx = position.X - prevPosition.X; | |
| 732 int dy = position.Y - prevPosition.Y; | |
| 733 if (moveresize == NonClientOps.Move) b.Offset(dx, dy); | |
| 734 if ((moveresize & NonClientOps.ResizeLeft) != 0) { | |
| 735 b.X += dx; | |
| 736 b.Width -= dx; | |
| 737 } else if ((moveresize & NonClientOps.ResizeRight) != 0) { | |
| 738 b.Width += dx; | |
| 739 prevPosition.X = position.X; | |
| 740 } | |
| 741 if ((moveresize & NonClientOps.ResizeTop) != 0) { | |
| 742 b.Y += dy; | |
| 743 b.Height -= dy; | |
| 744 } else if ((moveresize & NonClientOps.ResizeBottom) != 0) { | |
| 745 b.Height += dy; | |
| 746 prevPosition.Y = position.Y; | |
| 747 } | |
| 748 if (b.Width < 55) b.Width = 55; | |
| 749 if (b.Height < 25) b.Height = 25; | |
| 750 Bounds = b; | |
| 751 } | |
| 752 } | |
| 753 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 754 if (moveresize == 0) { | |
| 755 base.MouseUp(position, buttons); | |
| 756 } else if ((buttons & MouseButtons.Left) != 0) { | |
| 757 MouseMove(position, buttons); | |
| 758 CaptureMouse(false); | |
| 759 if (moveresize == NonClientOps.ButtonClose && (new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(position) && Closable) Close(); | |
| 760 moveresize = 0; | |
| 761 } | |
| 762 } | |
| 763 protected override void Paint(Graphics g) { | |
| 764 base.Paint(g); | |
| 765 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 766 g.DrawRectangle(Pens.LightGray, 1, 1, Bounds.Width - 3, Bounds.Height - 3); | |
| 767 g.DrawRectangle(Pens.DarkGray, 2, 20, Bounds.Width - 5, Bounds.Height - 23); | |
| 768 g.DrawRectangle(Pens.Gray, 3, 21, Bounds.Width - 7, Bounds.Height - 25); | |
| 769 using (Brush b = new LinearGradientBrush(new Rectangle(0, 1, 1, 18), Color.Gray, Color.LightGray, LinearGradientMode.Vertical)) | |
| 770 g.FillRectangle(b, 2, 2, Bounds.Width - 4, 18); | |
| 771 | |
| 772 g.DrawString(Text, SystemFonts.CaptionFont, Brushes.Black, 4, 1); | |
| 773 | |
| 774 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14, 4, 14, 14); | |
| 775 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 16, 4, 14, 14); | |
| 776 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 32, 4, 14, 14); | |
| 777 using (Brush b = new LinearGradientBrush(new Rectangle(0, 5, 1, 13), Color.LightGray, Color.DarkGray, LinearGradientMode.Vertical)) { | |
| 778 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1, 5, 13, 13); | |
| 779 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 16, 5, 13, 13); | |
| 780 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 32, 5, 13, 13); | |
| 781 } | |
| 782 if (Closable) { | |
| 783 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 14 - 3); | |
| 784 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 14 - 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 3); | |
| 785 } | |
| 786 } | |
| 787 public void Close() { | |
| 788 Parent.RemoveControl(this); | |
| 789 } | |
| 790 } | |
| 791 public class FBGDesktop : FBGContainerControl { | |
| 792 FBGContainerControl windowcontainer; | |
| 793 FBGContainerControl menucontainer; | |
| 794 Boolean startup = true; | |
| 795 class FBGWindowState { | |
| 796 public IFBGControl Control; | |
| 797 public FBGButton MenuButton; | |
| 798 public Boolean Visible; | |
| 799 public Rectangle OldBounds; | |
| 800 public FBGWindowState(IFBGControl cntrl, FBGButton btn) { | |
| 801 Control = cntrl; | |
| 802 MenuButton = btn; | |
| 803 Visible = true; | |
| 804 } | |
| 805 } | |
| 806 Dictionary<IFBGControl, FBGWindowState> windowstates = new Dictionary<IFBGControl, FBGWindowState>(); | |
| 807 public FBGDesktop(IFBGContainerControl parent) : base(parent) { | |
| 808 menucontainer = new FBGContainerControl(this); | |
| 809 menucontainer.Bounds = new Rectangle(0, Bounds.Height - 25, Bounds.Width, 25); | |
| 810 windowcontainer = new FBGContainerControl(this); | |
| 811 windowcontainer.Bounds = new Rectangle(0, 0, Bounds.Width, Bounds.Height - 25); | |
| 812 startup = false; | |
| 813 } | |
| 814 public override Rectangle Bounds { | |
| 815 get { return base.Bounds; } | |
| 816 set { | |
| 817 if (Bounds == value) return; | |
| 818 base.Bounds = value; | |
| 819 if (startup) return; | |
| 820 menucontainer.Bounds = new Rectangle(0, value.Height - 25, value.Width, 25); | |
| 821 windowcontainer.Bounds = new Rectangle(0, 0, value.Width, value.Height - 25); | |
| 822 ScaleMenuButtons(); | |
| 823 } | |
| 824 } | |
| 825 protected override void AddControl(IFBGControl control) { | |
| 826 if (startup) { | |
| 827 base.AddControl(control); | |
| 828 return; | |
| 829 } | |
| 830 ((IFBGContainerControl)windowcontainer).AddControl(control); | |
| 831 FBGButton btn = new FBGButton(menucontainer); | |
| 832 FBGForm formcontrol = control as FBGForm; | |
| 833 if (formcontrol == null) { | |
| 834 btn.Text = "Untitled"; | |
| 835 } else { | |
| 836 formcontrol.TextChanged += delegate(Object sender, EventArgs e) { | |
| 837 btn.Text = formcontrol.Text; | |
| 838 }; | |
| 839 btn.Text = formcontrol.Text; | |
| 840 } | |
| 841 FBGWindowState ws = new FBGWindowState(control, btn); | |
| 842 windowstates.Add(control, ws); | |
| 843 ScaleMenuButtons(); | |
| 844 btn.Click += delegate(Object sender, EventArgs e) { | |
| 845 if (ws.Visible) { | |
| 846 if (ws.MenuButton.BackColor == Color.DarkGray) { | |
| 847 ws.OldBounds = ws.Control.Bounds; | |
| 848 ws.Visible = false; | |
| 849 ws.Control.Bounds = Rectangle.Empty; | |
| 850 } else { | |
| 851 windowcontainer.BringControlToFront(ws.Control); | |
| 852 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 853 ws.MenuButton.BackColor = Color.DarkGray; | |
| 854 } | |
| 855 } else { | |
| 856 ws.Control.Bounds = ws.OldBounds; | |
| 857 ws.Visible = true; | |
| 858 windowcontainer.BringControlToFront(ws.Control); | |
| 859 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 860 ws.MenuButton.BackColor = Color.DarkGray; | |
| 861 } | |
| 862 }; | |
| 863 } | |
| 864 public override void RemoveControl(IFBGControl control) { | |
| 865 windowcontainer.RemoveControl(control); | |
| 866 windowstates.Remove(control); | |
| 867 ScaleMenuButtons(); | |
| 868 } | |
| 869 private void ScaleMenuButtons() { | |
| 870 int bcount = windowstates.Count; | |
| 871 int bwidth = 200; | |
| 872 int twidth = bwidth * bcount; | |
| 873 if (twidth > Bounds.Width) bwidth = menucontainer.Bounds.Width / bcount; | |
| 874 int i = 0; | |
| 875 foreach (FBGWindowState ws in windowstates.Values) { | |
| 876 ws.MenuButton.Bounds = new Rectangle(i * bwidth, 0, bwidth, 25); | |
| 877 i++; | |
| 878 } | |
| 879 } | |
| 880 protected override void Paint(Graphics g) { | |
| 881 base.Paint(g); | |
| 882 g.DrawLine(Pens.Black, 0, Bounds.Height - 25, Bounds.Width, Bounds.Height - 25); | |
| 883 } | |
| 884 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 885 IFBGControl control = FindControlAtPosition(position); | |
| 886 if (ReferenceEquals(control, windowcontainer)) { | |
| 887 control = windowcontainer.FindControlAtPosition(PointToChild(windowcontainer, position)); | |
| 888 if (!ReferenceEquals(control, null)) { | |
| 889 windowcontainer.BringControlToFront(control); | |
| 890 foreach (FBGWindowState ws in windowstates.Values) | |
| 891 ws.MenuButton.BackColor = ReferenceEquals(ws.Control, control) ? Color.DarkGray : SystemColors.ButtonFace; | |
| 892 } | |
| 893 } | |
| 894 base.MouseDown(position, buttons); | |
| 895 } | |
| 896 } | |
| 897 | |
| 898 public class FBGLabel : FBGControl, IDisposable { | |
| 899 public FBGLabel(IFBGContainerControl parent) : base(parent) { | |
| 900 Size = new Size(200, 16); | |
| 901 } | |
| 902 private String text = String.Empty; | |
| 903 private Font font = SystemFonts.DefaultFont; | |
| 904 private Brush brush = SystemBrushes.ControlText; | |
| 905 private StringFormat stringformat = new StringFormat(); | |
| 906 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 907 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 908 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 909 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 910 public StringAlignment Alignment { get { return stringformat.Alignment; } set { stringformat.Alignment = value; Invalidate(); } } | |
| 911 public StringFormatFlags FormatFlags { get { return stringformat.FormatFlags; } set { stringformat.FormatFlags = value; Invalidate(); } } | |
| 912 public StringAlignment LineAlignment { get { return stringformat.LineAlignment; } set { stringformat.LineAlignment = value; Invalidate(); } } | |
| 913 public StringTrimming Trimming { get { return stringformat.Trimming; } set { stringformat.Trimming = value; Invalidate(); } } | |
| 914 protected override void Paint(Graphics g) { | |
| 915 base.Paint(g); | |
| 916 g.DrawString(text, font, brush, new Rectangle(Point.Empty, Bounds.Size), stringformat); | |
| 917 } | |
| 918 public void Dispose() { | |
| 919 stringformat.Dispose(); | |
| 920 } | |
| 921 protected override void Orphaned() { | |
| 922 base.Orphaned(); | |
| 923 Dispose(); | |
| 924 } | |
| 925 } | |
| 926 public class FBGTextBox : FBGControl { | |
| 927 public FBGTextBox(IFBGContainerControl parent) : base(parent) { | |
| 928 BackColor = Color.White; | |
| 929 Size = new Size(200, 20); | |
| 930 } | |
| 931 private String text = String.Empty; | |
| 932 private Char passwordChar = (Char)0; | |
| 933 private Font font = new Font(FontFamily.GenericMonospace, 10); | |
| 934 private Brush brush = SystemBrushes.ControlText; | |
| 935 private Boolean hasKeyboardFocus = false; | |
| 936 public String Text { get { return text; } set { text = value; if (CaretPosition > text.Length) CaretPosition = text.Length; Invalidate(); RaiseEvent(TextChanged); } } | |
| 937 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 938 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 939 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 940 public Int32 CaretPosition { get; private set; } | |
| 941 public Char PasswordChar { get { return passwordChar; } set { passwordChar = value; Invalidate(); } } | |
| 942 public event EventHandler TextChanged; | |
| 943 public event KeyPressEventHandler OnKeyPress; | |
| 944 protected override void Paint(Graphics g) { | |
| 945 base.Paint(g); | |
| 946 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 947 using (StringFormat sf_nonprinting = new StringFormat(StringFormat.GenericTypographic)) { | |
| 948 sf_nonprinting.Trimming = StringTrimming.None; | |
| 949 sf_nonprinting.FormatFlags = StringFormatFlags.DisplayFormatControl | StringFormatFlags.MeasureTrailingSpaces; | |
| 950 sf_nonprinting.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.None; | |
| 951 | |
| 952 float x = 1; | |
| 953 float y = 1; | |
| 954 float w = Width - 2; | |
| 955 if (hasKeyboardFocus && CaretPosition == 0) { | |
| 956 g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); | |
| 957 } | |
| 958 String c = passwordChar == 0 ? null : new String(passwordChar, 1); | |
| 959 for (int i = 0; i < text.Length; i++) { | |
| 960 if (passwordChar == 0) c = text.Substring(i, 1); | |
| 961 SizeF s = g.MeasureString(c, font, (int)Math.Ceiling(w), sf_nonprinting); | |
| 962 g.DrawString(c, font, brush, x, y); | |
| 963 x += (float)Math.Ceiling(s.Width); | |
| 964 w -= (float)Math.Ceiling(s.Width); | |
| 965 | |
| 966 if (hasKeyboardFocus && i == CaretPosition - 1) { | |
| 967 g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); | |
| 968 } | |
| 969 } | |
| 970 } | |
| 971 } | |
| 972 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 973 hasKeyboardFocus = CaptureKeyboard(true); | |
| 974 CaretPosition = text.Length; | |
| 975 float x = 1; | |
| 976 String c = passwordChar == 0 ? null : new String(passwordChar, 1); | |
| 977 for (int i = 0; i < text.Length; i++) { | |
| 978 if (passwordChar == 0) c = text.Substring(i, 1); | |
| 979 Size s; | |
| 980 try { | |
| 981 s = TextRenderer.MeasureText(c, font, Size.Empty, TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix); | |
| 982 } catch (Exception) { | |
| 983 break; | |
| 984 } | |
| 985 x += s.Width; | |
| 986 if (position.X < x) { | |
| 987 CaretPosition = i; | |
| 988 break; | |
| 989 } | |
| 990 } | |
| 991 Invalidate(); | |
| 992 } | |
| 993 protected override void KeyDown(Keys key) { | |
| 994 if ((key & Keys.KeyCode) == Keys.Left) { | |
| 995 CaretPosition--; | |
| 996 if (CaretPosition < 0) CaretPosition = 0; | |
| 997 Invalidate(); | |
| 998 } else if ((key & Keys.KeyCode) == Keys.Right) { | |
| 999 CaretPosition++; | |
| 1000 if (CaretPosition > text.Length) CaretPosition = text.Length; | |
| 1001 Invalidate(); | |
| 1002 } else if ((key & Keys.KeyCode) == Keys.Home) { | |
| 1003 CaretPosition = 0; | |
| 1004 Invalidate(); | |
| 1005 } else if ((key & Keys.KeyCode) == Keys.End) { | |
| 1006 CaretPosition = text.Length; | |
| 1007 Invalidate(); | |
| 1008 } else if ((key & Keys.Control) != 0 && (key & Keys.KeyCode) == Keys.V) { | |
| 1009 String cbtext = Clipboard.GetText(TextDataFormat.UnicodeText); | |
| 1010 CaretPosition += cbtext.Length; | |
| 1011 Text = Text.Insert(CaretPosition - cbtext.Length, cbtext); | |
| 1012 } | |
| 1013 } | |
| 1014 protected override void KeyPress(char keyChar) { | |
| 1015 KeyPressEventArgs e = new KeyPressEventArgs(keyChar); | |
| 1016 RaiseEvent(OnKeyPress, e); | |
| 1017 if (e.Handled) return; | |
| 1018 hasKeyboardFocus = true; | |
| 1019 if (keyChar == 8) { | |
| 1020 if (CaretPosition > 0) { | |
| 1021 CaretPosition--; | |
| 1022 Text = Text.Remove(CaretPosition, 1); | |
| 1023 } | |
| 1024 } else if (keyChar == 127) { | |
| 1025 if (CaretPosition < Text.Length) { | |
| 1026 Text = Text.Remove(CaretPosition, 1); | |
| 1027 } | |
| 1028 } else if (keyChar < 32) { | |
| 1029 } else { | |
| 1030 CaretPosition++; | |
| 1031 Text = Text.Insert(CaretPosition - 1, new String(keyChar, 1)); | |
| 1032 } | |
| 1033 } | |
| 1034 public void Focus() { | |
| 1035 hasKeyboardFocus = CaptureKeyboard(true); | |
| 1036 } | |
| 1037 protected override void LostKeyboardCapture() { | |
| 1038 base.LostKeyboardCapture(); | |
| 1039 hasKeyboardFocus = false; | |
| 1040 Invalidate(); | |
| 1041 } | |
| 1042 } | |
| 1043 public class FBGButton : FBGControl { | |
| 1044 public FBGButton(IFBGContainerControl parent) : base(parent) { | |
| 1045 BackColor = SystemColors.ButtonFace; | |
| 1046 } | |
| 1047 private String text = String.Empty; | |
| 1048 private Font font = SystemFonts.DefaultFont; | |
| 1049 private Color color = SystemColors.ControlText; | |
| 1050 private Boolean pressed = false; | |
| 1051 private Boolean enabled = true; | |
| 1052 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1053 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1054 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1055 public Boolean Enabled { get { return enabled; } set { enabled = value; Invalidate(); } } | |
| 1056 public event EventHandler Click; | |
| 1057 protected override void Paint(Graphics g) { | |
| 1058 base.Paint(g); | |
| 1059 if (Bounds.Width == 0 || Bounds.Height == 0) return; | |
| 1060 if (BackColor == SystemColors.ButtonFace) { | |
| 1061 ControlPaint.DrawButton(g, new Rectangle(0, 0, Bounds.Width, Bounds.Height), enabled ? (pressed ? ButtonState.Pushed : ButtonState.Normal) : ButtonState.Inactive); | |
| 1062 } else { | |
| 1063 //Hackish and not completely right... | |
| 1064 //Todo: borrowed from mono... possible licencing issues!? | |
| 1065 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, Bounds.Width, 0); | |
| 1066 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, 0, Bounds.Height); | |
| 1067 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), 1, Bounds.Height - 2, Bounds.Width - 1, Bounds.Height - 2); | |
| 1068 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), Bounds.Width - 2, 1, Bounds.Width - 2, Bounds.Height - 2); | |
| 1069 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), 0, Bounds.Height - 1, Bounds.Width, Bounds.Height - 1); | |
| 1070 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), Bounds.Width - 1, 1, Bounds.Width - 1, Bounds.Height - 1); | |
| 1071 Graphics dc = g; | |
| 1072 Rectangle rectangle = new Rectangle(0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1073 Color ColorControl = BackColor; | |
| 1074 Color ColorControlLight = ControlPaint.Light(ColorControl); | |
| 1075 ButtonState state = pressed ? ButtonState.Pushed : ButtonState.Normal; | |
| 1076 using (Pen NormalPen = new Pen(BackColor), LightPen = new Pen(ControlPaint.Light(BackColor)), DarkPen = new Pen(ControlPaint.Dark(BackColor))) { | |
| 1077 // sadly enough, the rectangle gets always filled with a hatchbrush | |
| 1078 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, Color.FromArgb(Math.Min(255, ColorControl.R + 3), ColorControl.G, ColorControl.B), ColorControl)) { | |
| 1079 dc.FillRectangle(hb, rectangle.X + 1, rectangle.Y + 1, rectangle.Width - 2, rectangle.Height - 2); | |
| 1080 } | |
| 1081 if ((state & ButtonState.All) == ButtonState.All || ((state & ButtonState.Checked) == ButtonState.Checked && (state & ButtonState.Flat) == ButtonState.Flat)) { | |
| 1082 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1083 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1084 } | |
| 1085 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1086 } else if ((state & ButtonState.Flat) == ButtonState.Flat) { | |
| 1087 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1088 } else if ((state & ButtonState.Checked) == ButtonState.Checked) { | |
| 1089 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1090 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1091 } | |
| 1092 Pen pen = DarkPen; | |
| 1093 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1094 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1095 | |
| 1096 pen = NormalPen; | |
| 1097 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1098 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1099 | |
| 1100 pen = LightPen; | |
| 1101 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1102 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1103 } else if (((state & ButtonState.Pushed) == ButtonState.Pushed) && ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1104 Pen pen = DarkPen; | |
| 1105 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1106 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1107 | |
| 1108 pen = NormalPen; | |
| 1109 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1110 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1111 | |
| 1112 pen = LightPen; | |
| 1113 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1114 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1115 } else if (((state & ButtonState.Inactive) == ButtonState.Inactive) || ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1116 Pen pen = LightPen; | |
| 1117 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1118 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1119 | |
| 1120 pen = NormalPen; | |
| 1121 dc.DrawLine(pen, rectangle.X + 1, rectangle.Bottom - 2, rectangle.Right - 2, rectangle.Bottom - 2); | |
| 1122 dc.DrawLine(pen, rectangle.Right - 2, rectangle.Y + 1, rectangle.Right - 2, rectangle.Bottom - 3); | |
| 1123 | |
| 1124 pen = DarkPen; | |
| 1125 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1126 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 2); | |
| 1127 } | |
| 1128 } | |
| 1129 } | |
| 1130 Rectangle frect = new Rectangle(Point.Empty, Bounds.Size); | |
| 1131 SizeF textsize = g.MeasureString(Text, Font); | |
| 1132 using (Brush b = new SolidBrush(enabled ? Color : Color.DarkGray)) { | |
| 1133 g.DrawString(Text, Font, b, new PointF(Bounds.Width / 2.0f - textsize.Width / 2.0f, Bounds.Height / 2.0f - textsize.Height / 2.0f)); | |
| 1134 } | |
| 1135 } | |
| 1136 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1137 pressed = true; | |
| 1138 Invalidate(); | |
| 1139 CaptureMouse(true); | |
| 1140 base.MouseDown(position, buttons); | |
| 1141 } | |
| 1142 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1143 pressed = false; | |
| 1144 Invalidate(); | |
| 1145 CaptureMouse(false); | |
| 1146 if (position.X >= 0 && position.X <= Bounds.Width && position.Y >= 0 && position.Y <= Bounds.Height && enabled) RaiseEvent(Click); | |
| 1147 base.MouseUp(position, buttons); | |
| 1148 } | |
| 1149 protected override void KeyDown(Keys key) { | |
| 1150 if (key == Keys.Return || key == Keys.Space) { | |
| 1151 pressed = true; | |
| 1152 Invalidate(); | |
| 1153 } | |
| 1154 base.KeyDown(key); | |
| 1155 } | |
| 1156 protected override void KeyUp(Keys key) { | |
| 1157 if (key == Keys.Return || key == Keys.Space) { | |
| 1158 if (pressed) RaiseEvent(Click); | |
| 1159 pressed = false; | |
| 1160 Invalidate(); | |
| 1161 } | |
| 1162 base.KeyUp(key); | |
| 1163 } | |
| 1164 public void Focus() { | |
| 1165 CaptureKeyboard(true); | |
| 1166 } | |
| 1167 } | |
| 1168 public class FBGCheckBox : FBGControl { | |
| 1169 public FBGCheckBox(IFBGContainerControl parent) : base(parent) { } | |
| 1170 private String text = String.Empty; | |
| 1171 private Font font = SystemFonts.DefaultFont; | |
| 1172 private Color color = SystemColors.ControlText; | |
| 1173 private Boolean _checked = false; | |
| 1174 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1175 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1176 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1177 public Boolean Checked { get { return _checked; } set { _checked = value; Invalidate(); } } | |
| 1178 public event EventHandler CheckedChanged; | |
| 1179 protected override void Paint(Graphics g) { | |
| 1180 base.Paint(g); | |
| 1181 ControlPaint.DrawCheckBox(g, 0, 0, 13, 13, _checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1182 g.DrawString(Text, Font, new SolidBrush(Color), 15, 0); | |
| 1183 } | |
| 1184 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1185 Checked = !Checked; | |
| 1186 RaiseEvent(CheckedChanged); | |
| 1187 base.MouseDown(position, buttons); | |
| 1188 } | |
| 1189 } | |
| 1190 public class FBGImageBox : FBGControl { | |
| 1191 Image image = null; | |
| 1192 PictureBoxSizeMode sizeMode = PictureBoxSizeMode.Normal; | |
| 1193 Rectangle imageRect; | |
| 1194 public Image Image { get { return image; } set { image = value; UpdateImageRect(false); } } | |
| 1195 public FBGImageBox(IFBGContainerControl parent) : base(parent) { } | |
| 1196 public PictureBoxSizeMode SizeMode { get { return sizeMode; } set { sizeMode = value; UpdateImageRect(false); } } | |
| 1197 public override Rectangle Bounds { | |
| 1198 get { | |
| 1199 return base.Bounds; | |
| 1200 } | |
| 1201 set { | |
| 1202 UpdateImageRect(true); | |
| 1203 base.Bounds = value; | |
| 1204 } | |
| 1205 } | |
| 1206 private void UpdateImageRect(Boolean boundsset) { | |
| 1207 if (image == null) return; | |
| 1208 if (!boundsset && sizeMode == PictureBoxSizeMode.AutoSize) { | |
| 1209 Size = Image.Size; | |
| 1210 return; | |
| 1211 } | |
| 1212 switch (sizeMode) { | |
| 1213 case PictureBoxSizeMode.AutoSize: | |
| 1214 case PictureBoxSizeMode.Normal: | |
| 1215 imageRect = new Rectangle(Point.Empty, image.Size); | |
| 1216 break; | |
| 1217 case PictureBoxSizeMode.CenterImage: | |
| 1218 imageRect = new Rectangle(Width / 2 - image.Width / 2, Height / 2 - Image.Height / 2, Width, Height); | |
| 1219 break; | |
| 1220 case PictureBoxSizeMode.StretchImage: | |
| 1221 imageRect = new Rectangle(Point.Empty, Size); | |
| 1222 break; | |
| 1223 case PictureBoxSizeMode.Zoom: | |
| 1224 float xrat = (float)Width / (float)image.Width; | |
| 1225 float yrat = (float)Height / (float)image.Height; | |
| 1226 float rat = Math.Min(xrat, yrat); | |
| 1227 SizeF dispsize = new SizeF(image.Width * rat, image.Height * rat); | |
| 1228 imageRect = Rectangle.Round(new RectangleF(Width / 2f - dispsize.Width / 2f, Height / 2f - dispsize.Height / 2f, dispsize.Width, dispsize.Height)); | |
| 1229 break; | |
| 1230 } | |
| 1231 if (!boundsset) Invalidate(); | |
| 1232 } | |
| 1233 protected override void Paint(Graphics g) { | |
| 1234 if (!Visible) return; | |
| 1235 base.Paint(g); | |
| 1236 if (image != null) g.DrawImage(image, imageRect); | |
| 1237 } | |
| 1238 } | |
| 1239 public class FBGListBox : FBGControl { | |
| 1240 private List<Object> items = new List<object>(); | |
| 1241 private Object selected = null; | |
| 1242 private Object highlighted = null; | |
| 1243 private Boolean hasScrollBar = false; | |
| 1244 private Boolean hitScrollBar = false; | |
| 1245 private int offset = 0; | |
| 1246 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1247 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1248 private Converter<Object, String> itemFormatter = null; | |
| 1249 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1250 public FBGListBox(IFBGContainerControl parent) | |
| 1251 : base(parent) { | |
| 1252 BackColor = Color.White; | |
| 1253 } | |
| 1254 public void AddItem(Object item) { | |
| 1255 items.Add(item); | |
| 1256 Invalidate(); | |
| 1257 } | |
| 1258 protected override void Paint(Graphics g) { | |
| 1259 base.Paint(g); | |
| 1260 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1261 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1262 int th = lh * items.Count; | |
| 1263 int y = 2; | |
| 1264 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1265 dottedpen.DashStyle = DashStyle.Dot; | |
| 1266 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1267 for (int i = offset; i < items.Count; i++) { | |
| 1268 Object item = items[i]; | |
| 1269 String text = itemFormatter == null ? (item == null ? String.Empty : item.ToString()) : itemFormatter(item); | |
| 1270 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, Bounds.Width - 4, lh); | |
| 1271 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, Bounds.Width - 5, lh - 1); | |
| 1272 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, y, Bounds.Width - 6, lh), sf); | |
| 1273 y += lh; | |
| 1274 if (y + lh + 2 >= Bounds.Height) break; | |
| 1275 } | |
| 1276 } | |
| 1277 } | |
| 1278 if (y < th) hasScrollBar = true; | |
| 1279 if (hasScrollBar) { | |
| 1280 int xoff = Bounds.Width - 17; | |
| 1281 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1282 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1283 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1284 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 1285 g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (items.Count - 1), 15, 20)); | |
| 1286 } | |
| 1287 } | |
| 1288 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1289 if ((buttons & MouseButtons.Left) != 0) { | |
| 1290 CaptureMouse(true); | |
| 1291 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1292 hitScrollBar = true; | |
| 1293 if (position.Y < 17) { | |
| 1294 offset--; | |
| 1295 buttonUpState = ButtonState.Pushed; | |
| 1296 } else if (position.Y > Bounds.Height - 17) { | |
| 1297 offset++; | |
| 1298 buttonDownState = ButtonState.Pushed; | |
| 1299 } else { | |
| 1300 offset = (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1301 } | |
| 1302 if (offset < 0) offset = 0; | |
| 1303 if (offset >= items.Count) offset = items.Count - 1; | |
| 1304 Invalidate(); | |
| 1305 } else { | |
| 1306 MouseHandler(position, buttons); | |
| 1307 } | |
| 1308 } | |
| 1309 } | |
| 1310 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1311 if (hitScrollBar) { | |
| 1312 if (position.Y < 17) { | |
| 1313 } else if (position.Y > Bounds.Height - 17) { | |
| 1314 } else { | |
| 1315 offset = (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1316 if (offset < 0) offset = 0; | |
| 1317 if (offset >= items.Count) offset = items.Count - 1; | |
| 1318 Invalidate(); | |
| 1319 } | |
| 1320 return; | |
| 1321 } | |
| 1322 MouseHandler(position, buttons); | |
| 1323 } | |
| 1324 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1325 if ((buttons & MouseButtons.Left) != 0) { | |
| 1326 CaptureMouse(false); | |
| 1327 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 1328 Invalidate(); | |
| 1329 if (hitScrollBar) { | |
| 1330 hitScrollBar = false; | |
| 1331 return; | |
| 1332 } | |
| 1333 } | |
| 1334 if (hitScrollBar) return; | |
| 1335 MouseHandler(position, buttons); | |
| 1336 } | |
| 1337 private void MouseHandler(Point position, MouseButtons buttons) { | |
| 1338 if ((buttons & MouseButtons.Left) != 0) { | |
| 1339 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1340 int i = (position.Y - 2) / lh + offset; | |
| 1341 if (i < 0) i = 0; | |
| 1342 if (i >= items.Count) i = items.Count - 1; | |
| 1343 Boolean changed = false; | |
| 1344 Object current = items[i]; | |
| 1345 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 1346 highlighted = current; | |
| 1347 if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 1348 if (!ReferenceEquals(selected, current)) changed = true; | |
| 1349 selected = current; | |
| 1350 } | |
| 1351 if (changed) Invalidate(); | |
| 1352 } | |
| 1353 } | |
| 1354 } | |
| 1355 public class FBGDomainUpDown : FBGControl { | |
| 1356 private List<Object> items = new List<object>(); | |
| 1357 private int selectedIndex = -1; | |
| 1358 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1359 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1360 private Converter<Object, String> itemFormatter = null; | |
| 1361 public Boolean AllowSelectEmpty { get; set; } | |
| 1362 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1363 public event EventHandler SelectedIndexChanged; | |
| 1364 public FBGDomainUpDown(IFBGContainerControl parent) | |
| 1365 : base(parent) { | |
| 1366 BackColor = Color.White; | |
| 1367 } | |
| 1368 public void AddItem(Object item) { | |
| 1369 items.Add(item); | |
| 1370 Invalidate(); | |
| 1371 } | |
| 1372 public void RemoveItem(Object item) { | |
| 1373 items.Remove(item); | |
| 1374 FixSelectedIndex(0); | |
| 1375 } | |
| 1376 public void RemoveItem(int index) { | |
| 1377 items.RemoveAt(index); | |
| 1378 FixSelectedIndex(0); | |
| 1379 } | |
| 1380 public int SelectedIndex { | |
| 1381 get { return selectedIndex; } | |
| 1382 set { | |
| 1383 if (value < -2 || value >= items.Count) throw new ArgumentOutOfRangeException("value", "Value must be between -1 and the number of items minus one"); | |
| 1384 if (selectedIndex == value) return; | |
| 1385 selectedIndex = value; | |
| 1386 Invalidate(); | |
| 1387 RaiseEvent(SelectedIndexChanged); | |
| 1388 } | |
| 1389 } | |
| 1390 public Object SelectedItem { | |
| 1391 get { return selectedIndex == -1 ? null : items[selectedIndex]; } | |
| 1392 set { | |
| 1393 if (value == null) { | |
| 1394 SelectedIndex = -1; | |
| 1395 } else { | |
| 1396 for (int i = 0; i < items.Count; i++) { | |
| 1397 if (items[i] == value) { | |
| 1398 SelectedIndex = i; | |
| 1399 break; | |
| 1400 } | |
| 1401 } | |
| 1402 } | |
| 1403 } | |
| 1404 } | |
| 1405 private void FixSelectedIndex(int change) { | |
| 1406 int value = selectedIndex; | |
| 1407 if (value == 0 && change == -1 && !AllowSelectEmpty) change = 0; | |
| 1408 value += change; | |
| 1409 if (value < -1) value = -1; | |
| 1410 if (value >= items.Count) value = items.Count - 1; | |
| 1411 SelectedIndex = value; | |
| 1412 } | |
| 1413 protected override void Paint(Graphics g) { | |
| 1414 base.Paint(g); | |
| 1415 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1416 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1417 if (selectedIndex == -1) { | |
| 1418 g.FillRectangle(Brushes.DarkGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); | |
| 1419 } else { | |
| 1420 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1421 sf.LineAlignment = StringAlignment.Center; | |
| 1422 Object item = items[selectedIndex]; | |
| 1423 String text = itemFormatter == null ? (item == null ? String.Empty : item.ToString()) : itemFormatter(item); | |
| 1424 g.FillRectangle(Brushes.LightGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); | |
| 1425 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, 2, Bounds.Width - 6 - 16, Bounds.Height - 4), sf); | |
| 1426 } | |
| 1427 } | |
| 1428 int xoff = Bounds.Width - 17; | |
| 1429 int he = (Bounds.Height - 2) / 2; | |
| 1430 ControlPaint.DrawScrollButton(g, xoff, 1, 16, he, ScrollButton.Up, buttonUpState); | |
| 1431 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - he - 1, 16, he, ScrollButton.Down, buttonDownState); | |
| 1432 } | |
| 1433 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1434 CaptureKeyboard(true); | |
| 1435 if ((buttons & MouseButtons.Left) != 0) { | |
| 1436 CaptureMouse(true); | |
| 1437 if (position.X > Bounds.Width - 17) { | |
| 1438 if (position.Y < Bounds.Height / 2) { | |
| 1439 buttonUpState = ButtonState.Pushed; | |
| 1440 FixSelectedIndex(-1); | |
| 1441 } else { | |
| 1442 buttonDownState = ButtonState.Pushed; | |
| 1443 FixSelectedIndex(1); | |
| 1444 } | |
| 1445 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); | |
| 1446 } | |
| 1447 } | |
| 1448 } | |
| 1449 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1450 if ((buttons & MouseButtons.Left) != 0) { | |
| 1451 CaptureMouse(false); | |
| 1452 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 1453 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); | |
| 1454 } | |
| 1455 } | |
| 1456 protected override void KeyDown(Keys key) { | |
| 1457 base.KeyDown(key); | |
| 1458 if (key == Keys.Down) { | |
| 1459 FixSelectedIndex(1); | |
| 1460 } else if (key == Keys.Up) { | |
| 1461 FixSelectedIndex(-1); | |
| 1462 } | |
| 1463 } | |
| 1464 } | |
| 1465 public interface IFBGTreeParent { | |
| 1466 FBGTreeView TreeView { get; } | |
| 1467 int Depth { get; } | |
| 1468 void AddChild(FBGTreeNode node); | |
| 1469 void RemoveChild(FBGTreeNode node); | |
| 1470 } | |
| 1471 public class FBGTreeNode : IFBGTreeParent { | |
| 1472 private List<FBGTreeNode> children = new List<FBGTreeNode>(); | |
| 1473 private Boolean expanded = true; | |
| 1474 private Boolean hasCheckBox = false; | |
| 1475 private Boolean isChecked = false; | |
| 1476 private Object item; | |
| 1477 | |
| 1478 public FBGTreeView TreeView { get; private set; } | |
| 1479 public int Depth { get; private set; } | |
| 1480 public Object Tag { get; set; } | |
| 1481 public IFBGTreeParent Parent { get; private set; } | |
| 1482 | |
| 1483 public IList<FBGTreeNode> Children { get { return children.AsReadOnly(); } } | |
| 1484 | |
| 1485 public Object Item { | |
| 1486 get { return item; } | |
| 1487 set { | |
| 1488 item = value; | |
| 1489 Invalidate(); | |
| 1490 } | |
| 1491 } | |
| 1492 public Boolean Expanded { | |
| 1493 get { return expanded; } | |
| 1494 set { | |
| 1495 if (expanded == value) return; | |
| 1496 expanded = value; | |
| 1497 UpdateTree(); | |
| 1498 } | |
| 1499 } | |
| 1500 public Boolean HasCheckBox { | |
| 1501 get { return hasCheckBox; } | |
| 1502 set { | |
| 1503 if (hasCheckBox == value) return; | |
| 1504 hasCheckBox = value; | |
| 1505 Invalidate(); | |
| 1506 } | |
| 1507 } | |
| 1508 public Boolean Checked { | |
| 1509 get { return isChecked; } | |
| 1510 set { | |
| 1511 if (isChecked == value) return; | |
| 1512 isChecked = value; | |
| 1513 Invalidate(); | |
| 1514 if (TreeView != null) TreeView.RaiseNodeCheckedChanged(this); | |
| 1515 } | |
| 1516 } | |
| 1517 | |
| 1518 public FBGTreeNode(IFBGTreeParent parent, Object item) { | |
| 1519 this.TreeView = parent.TreeView; | |
| 1520 this.Depth = parent.Depth + 1; | |
| 1521 this.Parent = parent; | |
| 1522 this.item = item; | |
| 1523 parent.AddChild(this); | |
| 1524 } | |
| 1525 | |
| 1526 public void Remove() { | |
| 1527 Parent.RemoveChild(this); | |
| 1528 } | |
| 1529 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1530 children.Add(node); | |
| 1531 if (Expanded) UpdateTree(); | |
| 1532 else Invalidate(); | |
| 1533 } | |
| 1534 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1535 children.Remove(node); | |
| 1536 TreeView.ReleaseNodeFromTree(node); | |
| 1537 if (Expanded) UpdateTree(); | |
| 1538 else Invalidate(); | |
| 1539 } | |
| 1540 public void Invalidate() { | |
| 1541 if (TreeView != null) TreeView.Invalidate(this); | |
| 1542 } | |
| 1543 private void UpdateTree() { | |
| 1544 if (TreeView != null) TreeView.UpdateView(); | |
| 1545 } | |
| 1546 public FBGTreeNode AddNode(Object item) { | |
| 1547 return new FBGTreeNode(this, item); | |
| 1548 } | |
| 1549 } | |
| 1550 public class FBGTreeView : FBGControl, IFBGTreeParent { | |
| 1551 private List<FBGTreeNode> items = new List<FBGTreeNode>(); | |
| 1552 private List<FBGTreeNode> itemsView = new List<FBGTreeNode>(); | |
| 1553 private FBGTreeNode selected = null; | |
| 1554 private FBGTreeNode highlighted = null; | |
| 1555 private Boolean hasScrollBar = false; | |
| 1556 private Boolean hitScrollBar = false; | |
| 1557 private int offset = 0; | |
| 1558 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1559 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1560 private Converter<Object, String> itemFormatter = null; | |
| 1561 | |
| 1562 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1563 public FBGTreeNode SelectedNode { get { return selected; } set { if (selected != value) { selected = value; Invalidate(); RaiseEvent(SelectedNodeChanged); } } } | |
| 1564 public IList<FBGTreeNode> Nodes { get { return items.AsReadOnly(); } } | |
| 1565 | |
| 1566 public event EventHandler SelectedNodeChanged; | |
| 1567 public event EventHandler NodeCheckedChanged; | |
| 1568 | |
| 1569 public FBGTreeView(IFBGContainerControl parent) : base(parent) { | |
| 1570 BackColor = Color.White; | |
| 1571 } | |
| 1572 FBGTreeView IFBGTreeParent.TreeView { get { return this; } } | |
| 1573 int IFBGTreeParent.Depth { get { return -1; } } | |
| 1574 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1575 items.Add(node); | |
| 1576 UpdateView(); | |
| 1577 } | |
| 1578 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1579 items.Remove(node); | |
| 1580 ReleaseNodeFromTree(node); | |
| 1581 UpdateView(); | |
| 1582 } | |
| 1583 public FBGTreeNode AddNode(Object item) { return new FBGTreeNode(this, item); } | |
| 1584 internal void ReleaseNodeFromTree(FBGTreeNode node) { | |
| 1585 if (highlighted == node) highlighted = null; | |
| 1586 if (selected == node) SelectedNode = null; | |
| 1587 } | |
| 1588 internal void RaiseNodeCheckedChanged(FBGTreeNode node) { | |
| 1589 RaiseEvent(NodeCheckedChanged); | |
| 1590 } | |
| 1591 internal void UpdateView() { | |
| 1592 List<FBGTreeNode> newView = new List<FBGTreeNode>(); | |
| 1593 Stack<Queue<FBGTreeNode>> stack = new Stack<Queue<FBGTreeNode>>(); | |
| 1594 stack.Push(new Queue<FBGTreeNode>(items)); | |
| 1595 while (stack.Count > 0) { | |
| 1596 Queue<FBGTreeNode> list = stack.Peek(); | |
| 1597 if (list.Count == 0) { | |
| 1598 stack.Pop(); | |
| 1599 continue; | |
| 1600 } | |
| 1601 FBGTreeNode item = list.Dequeue(); | |
| 1602 newView.Add(item); | |
| 1603 if (item.Expanded) stack.Push(new Queue<FBGTreeNode>(item.Children)); | |
| 1604 } | |
| 1605 itemsView = newView; | |
| 1606 Invalidate(); | |
| 1607 } | |
| 1608 internal void Invalidate(FBGTreeNode node) { | |
| 1609 int i = itemsView.IndexOf(node); | |
| 1610 if (i == -1) return; | |
| 1611 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1612 Invalidate(new Rectangle(1, i * lh, Bounds.Width - 1, lh)); | |
| 1613 } | |
| 1614 protected override void Paint(Graphics g) { | |
| 1615 base.Paint(g); | |
| 1616 | |
| 1617 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1618 int th = lh * itemsView.Count; | |
| 1619 hasScrollBar = offset > 0 || th + 2 > Bounds.Height; | |
| 1620 int y = 2; | |
| 1621 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1622 dottedpen.DashStyle = DashStyle.Dot; | |
| 1623 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1624 int lw = Bounds.Width - 2; | |
| 1625 if (hasScrollBar) lw -= 17; | |
| 1626 for (int i = offset; i < itemsView.Count; i++) { | |
| 1627 FBGTreeNode item = itemsView[i]; | |
| 1628 if (y + 2 < Bounds.Height) { | |
| 1629 Object obj = item.Item; | |
| 1630 String text = itemFormatter == null ? (obj == null ? String.Empty : obj.ToString()) : itemFormatter(obj); | |
| 1631 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, lw - 2, lh); | |
| 1632 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, lw - 3, lh - 1); | |
| 1633 int x = 3 + 19 * item.Depth + 14; | |
| 1634 if (item.HasCheckBox) { | |
| 1635 x += 2; | |
| 1636 ControlPaint.DrawCheckBox(g, x, y, lh, lh, item.Checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1637 x += lh + 1; | |
| 1638 } | |
| 1639 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(x, y, lw - x, lh), sf); | |
| 1640 } | |
| 1641 int upto = y + 2 + 4 - 8; | |
| 1642 for (int j = i - 1; j >= 0; j--) { | |
| 1643 if (itemsView[j].Depth < item.Depth) { | |
| 1644 break; | |
| 1645 } | |
| 1646 if (itemsView[j].Depth == item.Depth) { | |
| 1647 if (itemsView[j].Children.Count > 0) { | |
| 1648 upto = 2 + lh * (j - offset) + 10; | |
| 1649 } else { | |
| 1650 upto = 2 + lh * (j - offset) + 6; | |
| 1651 } | |
| 1652 break; | |
| 1653 } | |
| 1654 if (j <= offset) { | |
| 1655 upto = 2 + 2 + 4 - 8; | |
| 1656 break; | |
| 1657 } | |
| 1658 } | |
| 1659 if (item.Children.Count > 0) { | |
| 1660 g.DrawRectangle(Pens.Black, 3 + 19 * item.Depth, y + 2, 8, 8); | |
| 1661 g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 2, y + 2 + 4, 3 + 19 * item.Depth + 6, y + 2 + 4); | |
| 1662 if (!item.Expanded) g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 4, y + 4, 3 + 19 * item.Depth + 4, y + 2 + 6); | |
| 1663 | |
| 1664 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 8, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1665 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 6, 3 + 19 * item.Depth + 4, upto); | |
| 1666 } else { | |
| 1667 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1668 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 2, 3 + 19 * item.Depth + 4, upto); | |
| 1669 } | |
| 1670 y += lh; | |
| 1671 //if (y + lh + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1672 if (y + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1673 } | |
| 1674 } | |
| 1675 } | |
| 1676 //if (y < th) hasScrollBar = true; | |
| 1677 //hasScrollBar = true; | |
| 1678 if (hasScrollBar) { | |
| 1679 int xoff = Bounds.Width - 17; | |
| 1680 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1681 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1682 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1683 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 1684 g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (itemsView.Count - 1), 15, 20)); | |
| 1685 } | |
| 1686 | |
| 1687 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1688 } | |
| 1689 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1690 CaptureKeyboard(true); | |
| 1691 if ((buttons & MouseButtons.Left) != 0) { | |
| 1692 CaptureMouse(true); | |
| 1693 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1694 hitScrollBar = true; | |
| 1695 if (position.Y < 17) { | |
| 1696 offset--; | |
| 1697 buttonUpState = ButtonState.Pushed; | |
| 1698 } else if (position.Y > Bounds.Height - 17) { | |
| 1699 offset++; | |
| 1700 buttonDownState = ButtonState.Pushed; | |
| 1701 } else { | |
| 1702 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1703 } | |
| 1704 if (offset < 0) offset = 0; | |
| 1705 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 1706 Invalidate(); | |
| 1707 } else { | |
| 1708 MouseHandler(position, buttons, true); | |
| 1709 } | |
| 1710 } | |
| 1711 } | |
| 1712 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1713 if (hitScrollBar) { | |
| 1714 if (position.Y < 17) { | |
| 1715 } else if (position.Y > Bounds.Height - 17) { | |
| 1716 } else { | |
| 1717 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1718 if (offset < 0) offset = 0; | |
| 1719 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 1720 Invalidate(); | |
| 1721 } | |
| 1722 return; | |
| 1723 } | |
| 1724 MouseHandler(position, buttons, false); | |
| 1725 } | |
| 1726 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1727 if ((buttons & MouseButtons.Left) != 0) { | |
| 1728 CaptureMouse(false); | |
| 1729 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 1730 Invalidate(); | |
| 1731 if (hitScrollBar) { | |
| 1732 hitScrollBar = false; | |
| 1733 return; | |
| 1734 } | |
| 1735 } | |
| 1736 if (hitScrollBar) return; | |
| 1737 MouseHandler(position, buttons, false); | |
| 1738 } | |
| 1739 private void MouseHandler(Point position, MouseButtons buttons, Boolean down) { | |
| 1740 if ((buttons & MouseButtons.Left) != 0 && itemsView.Count > 0) { | |
| 1741 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1742 int i = (position.Y - 2) / lh + offset; | |
| 1743 if (i < 0) i = 0; | |
| 1744 if (i >= itemsView.Count) i = itemsView.Count - 1; | |
| 1745 Boolean changed = false; | |
| 1746 FBGTreeNode current = itemsView[i]; | |
| 1747 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 1748 highlighted = current; | |
| 1749 if (current.Children.Count > 0 && (new Rectangle(3 + 19 * current.Depth, 2 + lh * (i - offset) + 2, 8, 8)).Contains(position)) { | |
| 1750 if (down) current.Expanded = !current.Expanded; | |
| 1751 } else if (current.HasCheckBox && (new Rectangle(3 + 19 * current.Depth + 14 + 2, 2 + lh * (i - offset), lh, lh)).Contains(position)) { | |
| 1752 if (down) current.Checked = !current.Checked; | |
| 1753 } else if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 1754 SelectedNode = current; | |
| 1755 changed = false; | |
| 1756 } | |
| 1757 if (changed) Invalidate(); | |
| 1758 } | |
| 1759 } | |
| 1760 protected override void KeyDown(Keys key) { | |
| 1761 base.KeyDown(key); | |
| 1762 if (key == Keys.Up) { | |
| 1763 int i = itemsView.IndexOf(selected); | |
| 1764 i--; | |
| 1765 if (i >= 0) SelectAndScrollIntoView(itemsView[i]); | |
| 1766 } else if (key == Keys.Down) { | |
| 1767 int i = itemsView.IndexOf(selected); | |
| 1768 i++; | |
| 1769 if (i < itemsView.Count) SelectAndScrollIntoView(itemsView[i]); | |
| 1770 } else if (key == Keys.Left && selected != null) { | |
| 1771 if (selected.Expanded && selected.Children.Count > 0) { | |
| 1772 selected.Expanded = false; | |
| 1773 } else { | |
| 1774 FBGTreeNode tn = selected.Parent as FBGTreeNode; | |
| 1775 if (tn != null) SelectAndScrollIntoView(tn); | |
| 1776 } | |
| 1777 } else if (key == Keys.Right && selected != null) { | |
| 1778 if (!selected.Expanded && selected.Children.Count > 0) { | |
| 1779 selected.Expanded = true; | |
| 1780 } else if (selected.Children.Count > 0) { | |
| 1781 SelectAndScrollIntoView(selected.Children[0]); | |
| 1782 } | |
| 1783 } else if (key == Keys.Space && selected != null) { | |
| 1784 if (selected.HasCheckBox) selected.Checked = !selected.Checked; | |
| 1785 } | |
| 1786 } | |
| 1787 private void SelectAndScrollIntoView(FBGTreeNode tn) { | |
| 1788 int i = itemsView.IndexOf(tn); | |
| 1789 if (i == -1) { | |
| 1790 for (FBGTreeNode tp = tn.Parent as FBGTreeNode; tp != null; tp = tp.Parent as FBGTreeNode) if (!tp.Expanded) tp.Expanded = true; | |
| 1791 i = itemsView.IndexOf(tn); | |
| 1792 } | |
| 1793 if (i != -1) { | |
| 1794 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1795 if (i < offset) offset = i; | |
| 1796 offset = Math.Max(offset, i - Bounds.Height / lh + 1); | |
| 1797 } | |
| 1798 highlighted = tn; | |
| 1799 SelectedNode = tn; | |
| 1800 } | |
| 1801 } | |
| 1802 } |