Mercurial > hg > ucis.core
annotate FBGUI/FBGUI.cs @ 30:24e918d2ac18
FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
| author | Ivo Smits <Ivo@UCIS.nl> |
|---|---|
| date | Thu, 18 Apr 2013 18:48:38 +0200 |
| parents | FBGUI.cs@5bfc6c68591e |
| children | af27992b5972 |
| rev | line source |
|---|---|
| 23 | 1 ???using System; |
| 2 using System.Collections.Generic; | |
|
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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
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changeset
|
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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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
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parents:
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changeset
|
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 { | |
| 15 public interface IFBGControl { | |
| 16 Rectangle Bounds { get; set; } | |
| 17 Boolean Visible { get; set; } | |
|
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changeset
|
18 FBGCursor Cursor { get; } |
| 23 | 19 void Paint(Graphics g); |
| 20 void MouseMove(Point position, MouseButtons buttons); | |
| 21 void MouseDown(Point position, MouseButtons buttons); | |
| 22 void MouseUp(Point position, MouseButtons buttons); | |
| 23 void KeyDown(Keys key); | |
| 24 void KeyPress(Char keyChar); | |
| 25 void KeyUp(Keys key); | |
| 26 void LostKeyboardCapture(); | |
| 27 void Orphaned(); | |
| 28 } | |
| 29 public interface IFBGContainerControl { | |
| 30 void Invalidate(IFBGControl control, Rectangle rect); | |
| 31 void AddControl(IFBGControl control); | |
| 32 void RemoveControl(IFBGControl control); | |
| 33 Boolean CaptureMouse(IFBGControl control, Boolean capture); | |
| 34 Boolean CaptureKeyboard(IFBGControl control, Boolean capture); | |
| 35 } | |
| 36 public class FBGControl : IFBGControl { | |
| 37 private Rectangle bounds = new Rectangle(0, 0, 100, 100); | |
| 38 private Color backColor = Color.Transparent; | |
| 39 private Boolean visible = true; | |
|
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changeset
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40 protected FBGCursor CurrentCursor = null; |
| 23 | 41 public virtual IFBGContainerControl Parent { get; private set; } |
| 42 public event MouseEventHandler OnMouseDown; | |
| 43 public event MouseEventHandler OnMouseMove; | |
| 44 public event MouseEventHandler OnMouseUp; | |
| 45 public event PaintEventHandler OnPaint; | |
| 46 public event EventHandler OnResize; | |
| 47 public event EventHandler OnMove; | |
| 48 public FBGControl(IFBGContainerControl parent) { | |
| 49 this.Parent = parent; | |
| 50 if (Parent != null) Parent.AddControl(this); | |
| 51 } | |
| 52 public virtual Rectangle Bounds { | |
| 53 get { return bounds; } | |
| 54 set { | |
| 55 if (bounds == value) return; | |
| 56 Rectangle old = bounds; | |
| 57 bounds = value; | |
| 58 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))); | |
| 59 if (value.Location != old.Location) RaiseEvent(OnMove); | |
| 60 if (value.Size != old.Size) RaiseEvent(OnResize); | |
| 61 } | |
| 62 } | |
| 63 public virtual Boolean Visible { | |
| 64 get { return visible; } | |
| 65 set { | |
| 66 visible = value; | |
| 67 Invalidate(); | |
| 68 } | |
| 69 } | |
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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
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parents:
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changeset
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70 FBGCursor IFBGControl.Cursor { get { return CurrentCursor; } } |
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24e918d2ac18
FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
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parents:
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changeset
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71 public virtual FBGCursor Cursor { get { return CurrentCursor; } set { CurrentCursor = value; } } |
| 23 | 72 public Size Size { get { return Bounds.Size; } set { Rectangle r = Bounds; r.Size = value; Bounds = r; } } |
| 73 public Point Location { get { return Bounds.Location; } set { Rectangle r = Bounds; r.Location = value; Bounds = r; } } | |
| 74 public int Left { get { return Bounds.Left; } set { Rectangle r = Bounds; r.X = value; Bounds = r; } } | |
| 75 public int Top { get { return Bounds.Top; } set { Rectangle r = Bounds; r.Y = value; Bounds = r; } } | |
| 76 public int Width { get { return Bounds.Width; } set { Rectangle r = Bounds; r.Width = value; Bounds = r; } } | |
| 77 public int Height { get { return Bounds.Height; } set { Rectangle r = Bounds; r.Height = value; Bounds = r; } } | |
| 78 public virtual Color BackColor { get { return backColor; } set { if (backColor == value) return; backColor = value; Invalidate(); } } | |
| 79 public virtual void Invalidate() { | |
| 80 Invalidate(new Rectangle(Point.Empty, Bounds.Size)); | |
| 81 } | |
| 82 public virtual void Invalidate(Rectangle rect) { | |
| 83 Parent.Invalidate(this, rect); | |
| 84 } | |
| 85 void IFBGControl.Paint(Graphics g) { Paint(g); } | |
| 86 void IFBGControl.MouseMove(Point position, MouseButtons buttons) { MouseMove(position, buttons); } | |
| 87 void IFBGControl.MouseDown(Point position, MouseButtons buttons) { MouseDown(position, buttons); } | |
| 88 void IFBGControl.MouseUp(Point position, MouseButtons buttons) { MouseUp(position, buttons); } | |
| 89 void IFBGControl.KeyDown(Keys g) { KeyDown(g); } | |
| 90 void IFBGControl.KeyPress(Char g) { KeyPress(g); } | |
| 91 void IFBGControl.KeyUp(Keys g) { KeyUp(g); } | |
| 92 void IFBGControl.LostKeyboardCapture() { LostKeyboardCapture(); } | |
| 93 void IFBGControl.Orphaned() { Orphaned(); } | |
| 94 protected virtual void Paint(Graphics g) { | |
| 95 if (!visible) return; | |
|
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96 if (backColor.A == 0xff) g.Clear(backColor); |
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97 else if (backColor.A != 0) using (Brush brush = new SolidBrush(backColor)) g.FillRectangle(brush, g.ClipBounds); |
| 23 | 98 RaiseEvent(OnPaint, new PaintEventArgs(g, Rectangle.Round(g.ClipBounds))); |
| 99 } | |
| 100 protected virtual void MouseMove(Point position, MouseButtons buttons) { RaiseEvent(OnMouseMove, new MouseEventArgs(buttons, 0, position.X, position.Y, 0)); } | |
| 101 protected virtual void MouseDown(Point position, MouseButtons buttons) { RaiseEvent(OnMouseDown, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } | |
| 102 protected virtual void MouseUp(Point position, MouseButtons buttons) { RaiseEvent(OnMouseUp, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } | |
| 103 protected virtual Boolean CaptureMouse(Boolean capture) { | |
| 104 return Parent.CaptureMouse(this, capture); | |
| 105 } | |
| 106 protected virtual void KeyDown(Keys key) { } | |
| 107 protected virtual void KeyPress(Char keyChar) { } | |
| 108 protected virtual void KeyUp(Keys key) { } | |
| 109 protected virtual Boolean CaptureKeyboard(Boolean capture) { | |
| 110 return Parent.CaptureKeyboard(this, capture); | |
| 111 } | |
| 112 protected virtual void LostKeyboardCapture() { } | |
| 113 protected virtual void Orphaned() { | |
| 114 //IDisposable disp = this as IDisposable; | |
| 115 //if (!ReferenceEquals(disp, null)) disp.Dispose(); | |
| 116 } | |
| 117 protected void RaiseEvent(KeyEventHandler eh, KeyEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 118 protected void RaiseEvent(KeyPressEventHandler eh, KeyPressEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 119 protected void RaiseEvent(MouseEventHandler eh, MouseEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 120 protected void RaiseEvent(PaintEventHandler eh, PaintEventArgs ea) { if (eh != null) eh(this, ea); } | |
| 121 protected void RaiseEvent<T>(EventHandler<T> eh, T ea) where T : EventArgs { if (eh != null) eh(this, ea); } | |
| 122 protected void RaiseEvent(EventHandler eh, EventArgs ea) { if (eh != null) eh(this, ea); } | |
| 123 protected void RaiseEvent(EventHandler eh) { if (eh != null) eh(this, new EventArgs()); } | |
| 124 } | |
| 125 public class FBGContainerControl : FBGControl, IFBGContainerControl { | |
| 126 protected List<IFBGControl> controls = new List<IFBGControl>(); | |
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127 protected IFBGControl mouseCaptureControl = null; |
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128 protected IFBGControl keyboardCaptureControl = null; |
| 23 | 129 private Rectangle childarea = Rectangle.Empty; |
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parents:
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130 protected FBGCursor DefaultCursor = null; |
| 23 | 131 public Rectangle ClientRectangle { get { return childarea; } protected set { childarea = value; Invalidate(); } } |
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parents:
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changeset
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132 public Size ClientSize { get { return childarea.Size; } set { Bounds = new Rectangle(Bounds.Location, Bounds.Size - childarea.Size + value); } } |
|
24e918d2ac18
FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
Ivo Smits <Ivo@UCIS.nl>
parents:
27
diff
changeset
|
133 public override FBGCursor Cursor { get { return DefaultCursor; } set { DefaultCursor = value; } } |
| 23 | 134 public FBGContainerControl(IFBGContainerControl parent) : base(parent) { } |
| 135 void IFBGContainerControl.AddControl(IFBGControl control) { AddControl(control); } | |
| 136 protected virtual void AddControl(IFBGControl control) { | |
| 137 controls.Add(control); | |
| 138 if (control.Visible) Invalidate(control); | |
| 139 } | |
| 140 public virtual void RemoveControl(IFBGControl control) { | |
| 141 if (controls.Remove(control)) { | |
| 142 if (control.Visible) Invalidate(control); | |
| 143 CaptureMouse(control, false); | |
| 144 CaptureKeyboard(control, false); | |
| 145 control.Orphaned(); | |
| 146 } | |
| 147 } | |
| 148 public virtual Point PointToChild(IFBGControl child, Point point) { | |
| 149 return point - (Size)child.Bounds.Location - (Size)ClientRectangle.Location; | |
| 150 } | |
| 151 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 152 return point + (Size)child.Bounds.Location + (Size)ClientRectangle.Location; | |
| 153 } | |
| 154 public virtual void BringControlToFront(IFBGControl control) { | |
| 155 if (controls.Count == 0) return; | |
| 156 if (ReferenceEquals(controls[controls.Count - 1], control)) return; | |
| 157 if (!controls.Remove(control)) return; | |
| 158 controls.Add(control); | |
| 159 if (control.Visible) Invalidate(control); | |
| 160 } | |
| 161 public virtual void Invalidate(IFBGControl control) { | |
| 162 Invalidate(new Rectangle(PointFromChild(control, Point.Empty), control.Bounds.Size)); | |
| 163 } | |
| 164 public virtual void Invalidate(IFBGControl control, Rectangle rect) { | |
| 165 Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); | |
| 166 } | |
| 167 protected override void Paint(Graphics g) { | |
| 168 base.Paint(g); | |
| 169 if (controls == null) return; | |
| 170 GraphicsState state2 = null; | |
| 171 if (!childarea.IsEmpty) { | |
| 172 state2 = g.Save(); | |
| 173 g.TranslateTransform(childarea.X, childarea.Y, MatrixOrder.Append); | |
| 174 g.IntersectClip(new Rectangle(Point.Empty, childarea.Size)); | |
| 175 } | |
| 176 foreach (IFBGControl control in controls) { | |
| 177 if (!control.Visible) continue; | |
| 178 if (control.Bounds.Width <= 0 || control.Bounds.Height <= 0) continue; | |
| 179 if (!g.ClipBounds.IntersectsWith((RectangleF)control.Bounds)) continue; | |
| 180 GraphicsState state = g.Save(); | |
| 181 g.TranslateTransform(control.Bounds.X, control.Bounds.Y, MatrixOrder.Append); | |
| 182 g.IntersectClip(new Rectangle(Point.Empty, control.Bounds.Size)); | |
| 183 control.Paint(g); | |
| 184 g.Restore(state); | |
| 185 } | |
| 186 if (state2 != null) g.Restore(state2); | |
| 187 } | |
| 188 public IFBGControl FindControlAtPosition(Point p) { | |
| 189 if (!childarea.IsEmpty && !childarea.Contains(p)) return null; | |
| 190 p.Offset(-childarea.X, -childarea.Y); | |
| 191 return ((List<IFBGControl>)controls).FindLast(delegate(IFBGControl control) { return control.Visible && control.Bounds.Contains(p); }); | |
| 192 } | |
| 193 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 194 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); | |
| 195 if (control == null) { | |
| 196 base.MouseMove(position, buttons); | |
| 197 } else { | |
| 198 control.MouseMove(PointToChild(control, position), buttons); | |
| 199 } | |
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parents:
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diff
changeset
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200 CurrentCursor = control == null || control.Cursor == null ? DefaultCursor : control.Cursor; |
| 23 | 201 } |
| 202 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 203 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); | |
| 204 if (control == null) { | |
| 205 base.MouseDown(position, buttons); | |
| 206 } else { | |
| 207 control.MouseDown(PointToChild(control, position), buttons); | |
| 208 } | |
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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
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parents:
27
diff
changeset
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209 CurrentCursor = control == null || control.Cursor == null ? DefaultCursor : control.Cursor; |
| 23 | 210 } |
| 211 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 212 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); | |
| 213 if (control == null) { | |
| 214 base.MouseUp(position, buttons); | |
| 215 } else { | |
| 216 control.MouseUp(PointToChild(control, position), buttons); | |
| 217 } | |
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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
Ivo Smits <Ivo@UCIS.nl>
parents:
27
diff
changeset
|
218 CurrentCursor = control == null || control.Cursor == null ? DefaultCursor : control.Cursor; |
| 23 | 219 } |
| 220 Boolean IFBGContainerControl.CaptureMouse(IFBGControl control, Boolean capture) { return CaptureMouse(control, capture); } | |
| 221 protected Boolean CaptureMouse(IFBGControl control, Boolean capture) { | |
| 222 if (capture && !ReferenceEquals(mouseCaptureControl, null)) return false; | |
| 223 if (!capture && !ReferenceEquals(mouseCaptureControl, control)) return false; | |
| 224 if (!CaptureMouse(capture)) return false; | |
| 225 mouseCaptureControl = capture ? control : null; | |
| 226 return true; | |
| 227 } | |
| 228 protected override void KeyDown(Keys key) { | |
| 229 if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyDown(key); | |
| 230 else keyboardCaptureControl.KeyDown(key); | |
| 231 } | |
| 232 protected override void KeyPress(Char keyChar) { | |
| 233 if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyPress(keyChar); | |
| 234 else keyboardCaptureControl.KeyPress(keyChar); | |
| 235 } | |
| 236 protected override void KeyUp(Keys key) { | |
| 237 if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyUp(key); | |
| 238 else keyboardCaptureControl.KeyUp(key); | |
| 239 } | |
| 240 Boolean IFBGContainerControl.CaptureKeyboard(IFBGControl control, Boolean capture) { return CaptureKeyboard(control, capture); } | |
| 241 protected Boolean CaptureKeyboard(IFBGControl control, Boolean capture) { | |
| 242 if (!capture && !ReferenceEquals(keyboardCaptureControl, control)) return false; | |
| 243 if (!CaptureKeyboard(capture)) return false; | |
| 244 IFBGControl prev = keyboardCaptureControl; | |
| 245 keyboardCaptureControl = capture ? control : null; | |
| 246 if (prev != null) LostKeyboardCapture(); | |
| 247 return true; | |
| 248 } | |
| 249 protected override void LostKeyboardCapture() { | |
| 250 base.LostKeyboardCapture(); | |
| 251 if (keyboardCaptureControl != null) keyboardCaptureControl.LostKeyboardCapture(); | |
| 252 } | |
| 253 protected override void Orphaned() { | |
| 254 base.Orphaned(); | |
| 255 IFBGControl[] c = controls.ToArray(); | |
| 256 controls.Clear(); | |
| 257 foreach (IFBGControl control in c) control.Orphaned(); | |
| 258 mouseCaptureControl = null; | |
| 259 keyboardCaptureControl = null; | |
| 260 } | |
| 261 } | |
| 262 public class FBGDockContainer : FBGContainerControl { | |
| 263 private Dictionary<IFBGControl, DockStyle> dockStyles = new Dictionary<IFBGControl, DockStyle>(); | |
| 264 private Dictionary<IFBGControl, AnchorStyles> anchorStyles = new Dictionary<IFBGControl, AnchorStyles>(); | |
| 265 private Rectangle oldBounds; | |
| 266 public FBGDockContainer(IFBGContainerControl parent) | |
| 267 : base(parent) { | |
| 268 oldBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 269 } | |
| 270 protected override void AddControl(IFBGControl control) { | |
| 271 base.AddControl(control); | |
| 272 } | |
| 273 public override void BringControlToFront(IFBGControl control) { | |
| 274 base.BringControlToFront(control); | |
| 275 if (dockStyles.ContainsKey(control)) DoLayout(); | |
| 276 } | |
| 277 public override void RemoveControl(IFBGControl control) { | |
| 278 base.RemoveControl(control); | |
| 279 if (dockStyles.Remove(control)) DoLayout(); | |
| 280 } | |
| 281 public override Rectangle Bounds { | |
| 282 get { return base.Bounds; } | |
| 283 set { | |
| 284 base.Bounds = value; | |
| 285 DoLayout(); | |
| 286 Rectangle newBounds = ClientRectangle.IsEmpty ? Bounds : new Rectangle(Bounds.Location + (Size)ClientRectangle.Location, ClientRectangle.Size); | |
| 287 foreach (KeyValuePair<IFBGControl, AnchorStyles> c in anchorStyles) { | |
| 288 Rectangle b = c.Key.Bounds; | |
| 289 if ((c.Value & AnchorStyles.Right) != 0) { | |
| 290 if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.Width - oldBounds.Width; | |
| 291 else b.Width += newBounds.Width - oldBounds.Width; | |
| 292 } else if ((c.Value & AnchorStyles.Left) == 0) b.X += newBounds.X - oldBounds.X; | |
| 293 if ((c.Value & AnchorStyles.Bottom) != 0) { | |
| 294 if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Height - oldBounds.Height; | |
| 295 else b.Height += newBounds.Height - oldBounds.Height; | |
| 296 } else if ((c.Value & AnchorStyles.Top) == 0) b.Y += newBounds.Y - oldBounds.Y; | |
| 297 c.Key.Bounds = b; | |
| 298 } | |
| 299 oldBounds = newBounds; | |
| 300 } | |
| 301 } | |
| 302 public DockStyle GetDockStyle(IFBGControl control) { | |
| 303 DockStyle ds; | |
| 304 if (!dockStyles.TryGetValue(control, out ds)) ds = DockStyle.None; | |
| 305 return ds; | |
| 306 } | |
| 307 public void SetDockStyle(IFBGControl control, DockStyle style) { | |
| 308 if (style == DockStyle.None) { | |
| 309 if (dockStyles.Remove(control)) DoLayout(); | |
| 310 } else if (controls.Contains(control)) { | |
| 311 anchorStyles.Remove(control); | |
| 312 dockStyles[control] = style; | |
| 313 DoLayout(); | |
| 314 } | |
| 315 } | |
| 316 public AnchorStyles GetAnchorStyle(IFBGControl control) { | |
| 317 AnchorStyles ds; | |
| 318 if (!anchorStyles.TryGetValue(control, out ds)) ds = AnchorStyles.Left | AnchorStyles.Top; | |
| 319 return ds; | |
| 320 } | |
| 321 public void SetAnchorStyle(IFBGControl control, AnchorStyles style) { | |
| 322 if (style == (AnchorStyles.Left | AnchorStyles.Top)) { | |
| 323 anchorStyles.Remove(control); | |
| 324 } else if (controls.Contains(control)) { | |
| 325 dockStyles.Remove(control); | |
| 326 anchorStyles[control] = style; | |
| 327 } | |
| 328 } | |
| 329 public void SetAnchor(IFBGControl control, AnchorStyles style, int value) { | |
| 330 if (controls.Contains(control)) { | |
| 331 AnchorStyles oldstyle; | |
| 332 if (!anchorStyles.TryGetValue(control, out oldstyle)) oldstyle = AnchorStyles.Left | AnchorStyles.Top; | |
| 333 Rectangle b = control.Bounds; | |
| 334 switch (style) { | |
| 335 case AnchorStyles.None: throw new ArgumentException("style", "Anchor style can not be None"); | |
| 336 case AnchorStyles.Left: b.X = value; break; | |
| 337 case AnchorStyles.Top: b.Y = value; break; | |
| 338 case AnchorStyles.Right: | |
| 339 if ((oldstyle & AnchorStyles.Left) == 0) b.X = ClientRectangle.Width - b.Width - value; | |
| 340 else b.Width = ClientRectangle.Width - b.X - value; | |
| 341 break; | |
| 342 case AnchorStyles.Bottom: | |
| 343 if ((oldstyle & AnchorStyles.Top) == 0) b.Y = ClientRectangle.Height - b.Height - value; | |
| 344 else b.Height = ClientRectangle.Height - b.Y - value; | |
| 345 break; | |
| 346 default: throw new ArgumentOutOfRangeException("style", "The value vor the style argument is invalid"); | |
| 347 } | |
| 348 control.Bounds = b; | |
| 349 dockStyles.Remove(control); | |
| 350 anchorStyles[control] = oldstyle | style; | |
| 351 } | |
| 352 } | |
| 353 private void DoLayout() { | |
| 354 Rectangle a = new Rectangle(Point.Empty, ClientRectangle.IsEmpty ? Bounds.Size : ClientRectangle.Size); | |
| 355 foreach (KeyValuePair<IFBGControl, DockStyle> c in dockStyles) { | |
| 356 Rectangle b = c.Key.Bounds; | |
| 357 if (c.Value == DockStyle.Left) { | |
| 358 b.Location = a.Location; | |
| 359 b.Height = a.Height; | |
| 360 a.X += b.Width; | |
| 361 a.Width -= b.Width; | |
| 362 } else if (c.Value == DockStyle.Top) { | |
| 363 b.Location = a.Location; | |
| 364 b.Width = a.Width; | |
| 365 a.Y += b.Height; | |
| 366 a.Height -= b.Height; | |
| 367 } else if (c.Value == DockStyle.Right) { | |
| 368 b.X = a.X + a.Width - b.Width; | |
| 369 b.Y = a.Y; | |
| 370 b.Height = a.Height; | |
| 371 a.Width -= b.Width; | |
| 372 } else if (c.Value == DockStyle.Bottom) { | |
| 373 b.X = a.X; | |
| 374 b.Y = a.Y + a.Height - b.Height; | |
| 375 b.Width = a.Width; | |
| 376 a.Height -= b.Height; | |
| 377 } else if (c.Value == DockStyle.Fill) { | |
| 378 b = a; | |
| 379 } | |
| 380 c.Key.Bounds = b; | |
| 381 if (a.Width < 0) a.Width = 0; | |
| 382 if (a.Height < 0) a.Height = 0; | |
| 383 } | |
| 384 } | |
| 385 } | |
| 386 public class FBGGroupBox : FBGDockContainer { | |
| 387 private String text = String.Empty; | |
| 388 public FBGGroupBox(IFBGContainerControl parent) | |
| 389 : base(parent) { | |
| 390 ClientRectangle = new Rectangle(1, 15, Bounds.Width - 2, Bounds.Height - 17); | |
| 391 } | |
| 392 public override Rectangle Bounds { | |
| 393 get { return base.Bounds; } | |
| 394 set { | |
| 395 ClientRectangle = new Rectangle(1, 15, value.Width - 2, value.Height - 17); | |
| 396 base.Bounds = value; | |
| 397 } | |
| 398 } | |
| 399 public String Text { get { return text; } set { if (text == value) return; text = value; Invalidate(new Rectangle(0, 0, Bounds.Width, 15)); } } | |
| 400 protected override void Paint(Graphics g) { | |
| 401 base.Paint(g); | |
| 402 g.DrawRectangle(Pens.Gray, 0, 6, Bounds.Width - 1, Bounds.Height - 7); | |
| 403 SizeF ss = g.MeasureString(Text, SystemFonts.DefaultFont, new Size(Bounds.Width - 10 - 9, 15)); | |
| 404 g.FillRectangle(SystemBrushes.Control, 9, 0, ss.Width, ss.Height); | |
| 405 g.DrawString(Text, SystemFonts.DefaultFont, Brushes.DarkBlue, new Rectangle(9, 0, Bounds.Width - 10 - 9, 15)); | |
| 406 } | |
| 407 } | |
| 408 public class WinFormsFBGHost : Control, IFBGContainerControl { | |
| 409 private IFBGControl childControl = null; | |
| 410 private IFBGControl mouseCaptureControl = null; | |
| 411 private IFBGControl keyboardCaptureControl = null; | |
| 412 public IFBGControl ChildControl { get { return childControl; } } | |
| 413 | |
| 414 public WinFormsFBGHost() { | |
| 415 DoubleBuffered = true; | |
| 416 } | |
| 417 | |
| 418 public virtual Point PointToChild(IFBGControl child, Point point) { | |
| 419 return point - (Size)child.Bounds.Location; | |
| 420 } | |
| 421 public virtual Point PointFromChild(IFBGControl child, Point point) { | |
| 422 return point + (Size)child.Bounds.Location; | |
| 423 } | |
| 424 | |
| 425 void IFBGContainerControl.Invalidate(IFBGControl control, Rectangle rect) { | |
| 426 Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); | |
| 427 } | |
| 428 void IFBGContainerControl.AddControl(IFBGControl control) { | |
| 429 if (!ReferenceEquals(childControl, null)) throw new InvalidOperationException("This container can have only one child control"); | |
| 430 childControl = control; | |
| 431 control.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 432 Invalidate(control.Bounds); | |
| 433 } | |
| 434 void IFBGContainerControl.RemoveControl(IFBGControl control) { | |
| 435 if (!ReferenceEquals(childControl, control)) return; | |
| 436 childControl = null; | |
| 437 Invalidate(control.Bounds); | |
| 438 if (mouseCaptureControl == control) mouseCaptureControl = null; | |
| 439 if (keyboardCaptureControl == control) control = null; | |
| 440 control.Orphaned(); | |
| 441 } | |
| 442 Boolean IFBGContainerControl.CaptureMouse(IFBGControl control, Boolean capture) { | |
| 443 if (capture && !ReferenceEquals(mouseCaptureControl, null)) return false; | |
| 444 if (!capture && !ReferenceEquals(mouseCaptureControl, control)) return false; | |
| 445 mouseCaptureControl = capture ? control : null; | |
| 446 return true; | |
| 447 } | |
| 448 Boolean IFBGContainerControl.CaptureKeyboard(IFBGControl control, Boolean capture) { | |
| 449 if (!capture && !ReferenceEquals(keyboardCaptureControl, control)) return false; | |
| 450 keyboardCaptureControl = capture ? control : null; | |
| 451 return true; | |
| 452 } | |
| 453 | |
| 454 protected override void OnPaint(PaintEventArgs e) { | |
| 455 base.OnPaint(e); | |
| 456 Graphics g = e.Graphics; | |
| 457 GraphicsState state = g.Save(); | |
| 458 g.SetClip(e.ClipRectangle); | |
| 459 if (ReferenceEquals(childControl, null)) return; | |
| 460 if (childControl.Bounds.Width <= 0 || childControl.Bounds.Height <= 0) return; | |
| 461 if (!g.ClipBounds.IntersectsWith((RectangleF)childControl.Bounds)) return; | |
| 462 g.TranslateTransform(childControl.Bounds.X, childControl.Bounds.Y, MatrixOrder.Append); | |
| 463 g.IntersectClip(new Rectangle(Point.Empty, childControl.Bounds.Size)); | |
| 464 childControl.Paint(g); | |
| 465 g.Restore(state); | |
| 466 } | |
| 467 protected override void OnResize(EventArgs e) { | |
| 468 if (!ReferenceEquals(childControl, null)) childControl.Bounds = new Rectangle(Point.Empty, ClientSize); | |
| 469 base.OnResize(e); | |
| 470 } | |
| 471 protected override void OnMouseDown(MouseEventArgs e) { | |
| 472 base.OnMouseDown(e); | |
| 473 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; | |
| 474 if (control != null) control.MouseDown(PointToChild(control, e.Location), e.Button); | |
| 475 } | |
| 476 protected override void OnMouseUp(MouseEventArgs e) { | |
| 477 base.OnMouseUp(e); | |
| 478 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; | |
| 479 if (control != null) control.MouseUp(PointToChild(control, e.Location), e.Button); | |
| 480 } | |
| 481 protected override void OnMouseMove(MouseEventArgs e) { | |
| 482 IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; | |
| 483 if (control != null) control.MouseMove(PointToChild(control, e.Location), e.Button); | |
| 484 } | |
| 485 protected override bool IsInputChar(char charCode) { | |
| 486 return true; | |
| 487 } | |
| 488 protected override bool IsInputKey(Keys keyData) { | |
| 489 return true; | |
| 490 } | |
| 491 protected override void OnKeyDown(KeyEventArgs e) { | |
| 492 //base.OnKeyDown(e); | |
| 493 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyDown(e.KeyData); | |
| 494 } | |
| 495 protected override void OnKeyPress(KeyPressEventArgs e) { | |
| 496 //base.OnKeyPress(e); | |
| 497 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyPress(e.KeyChar); | |
| 498 } | |
| 499 protected override void OnKeyUp(KeyEventArgs e) { | |
| 500 //base.OnKeyUp(e); | |
| 501 if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyUp(e.KeyData); | |
| 502 } | |
| 503 protected override void OnHandleDestroyed(EventArgs e) { | |
| 504 if (!ReferenceEquals(childControl, null)) childControl.Orphaned(); | |
| 505 base.OnHandleDestroyed(e); | |
| 506 } | |
| 507 } | |
| 508 public class FBGCursor { | |
| 509 public Image Image { get; private set; } | |
| 510 public Point Hotspot { get; private set; } | |
| 511 public Size Size { get; private set; } | |
| 512 public FBGCursor(Image image, Point hotspot) { | |
| 513 this.Image = image; | |
| 514 this.Hotspot = hotspot; | |
| 515 this.Size = image.Size; | |
| 516 } | |
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517 public Rectangle Area { get { return new Rectangle(-Hotspot.X, -Hotspot.Y, Size.Width, Size.Height); } } |
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518 public FBGCursor RotateFlip(RotateFlipType type) { |
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519 Image img = new Bitmap(Image); |
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520 img.RotateFlip(type); |
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521 Point hs = Hotspot; |
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522 switch (type) { |
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523 case RotateFlipType.RotateNoneFlipNone: break; |
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524 case RotateFlipType.Rotate90FlipNone: hs = new Point(img.Width - hs.Y, hs.X); break; |
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525 case RotateFlipType.Rotate180FlipNone: hs = new Point(img.Width - hs.X, img.Height - hs.Y); break; |
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526 case RotateFlipType.Rotate270FlipNone: hs = new Point(hs.Y, img.Height - hs.X); break; |
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527 case RotateFlipType.RotateNoneFlipX: hs.X = img.Width - hs.X; break; |
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528 case RotateFlipType.Rotate90FlipX: hs = new Point(hs.Y, hs.X); break; |
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529 case RotateFlipType.RotateNoneFlipY: hs.Y = img.Height - hs.Y; break; |
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530 case RotateFlipType.Rotate90FlipY: hs = new Point(img.Width - hs.Y, img.Height - hs.X); break; |
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531 } |
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532 return new FBGCursor(img, hs); |
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533 } |
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534 public static FBGCursor FromBase64Image(String data, Point hotspot) { |
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535 return new FBGCursor(Image.FromStream(new MemoryStream(Convert.FromBase64String(data))), hotspot); |
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536 } |
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537 private static FBGCursor LoadFromResource(String name, int hotX, int hotY) { |
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538 using (Stream s = Assembly.GetExecutingAssembly().GetManifestResourceStream("UCIS.FBGUI." + name + ".png")) { |
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539 return new FBGCursor(Image.FromStream(s), new Point(hotX, hotY)); |
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540 } |
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541 } |
| 23 | 542 |
|
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543 public static readonly FBGCursor Arrow = LoadFromResource("cursor_arrow", 0, 0); |
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544 public static readonly FBGCursor Move = LoadFromResource("cursor_move", 8, 8); |
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545 public static readonly FBGCursor SizeLeft = LoadFromResource("cursor_left", 1, 10); |
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546 public static readonly FBGCursor SizeRight = SizeLeft.RotateFlip(RotateFlipType.RotateNoneFlipX); |
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547 public static readonly FBGCursor SizeTop = SizeLeft.RotateFlip(RotateFlipType.Rotate90FlipNone); |
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548 public static readonly FBGCursor SizeBottom = SizeLeft.RotateFlip(RotateFlipType.Rotate90FlipY); |
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549 public static readonly FBGCursor SizeTopLeft = LoadFromResource("cursor_topleft", 1, 1); |
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550 public static readonly FBGCursor SizeTopRight = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipX); |
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551 public static readonly FBGCursor SizeBottomLeft = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipY); |
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552 public static readonly FBGCursor SizeBottomRight = SizeTopLeft.RotateFlip(RotateFlipType.RotateNoneFlipXY); |
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553 public static FBGCursor ArrowCursor { get { return Arrow; } } |
| 23 | 554 } |
| 555 public class FBGRenderer : FBGContainerControl, IDisposable { | |
| 556 private FBGCursor cursor = null; | |
| 557 private Point cursorposition = Point.Empty; | |
| 558 public IFramebuffer Framebuffer { get; private set; } | |
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559 private Bitmap Frontbuffer = null; |
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560 protected Object RenderLock = new object(); |
| 23 | 561 public event EventHandler<InvalidateEventArgs> Painted; |
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562 protected Size size = Size.Empty; |
| 23 | 563 private ThreadingTimer PaintTimer = null; |
| 564 private Boolean PaintScheduled = false; | |
| 565 private int PaintDelay = 0; | |
| 566 public Boolean SuspendDrawing { | |
| 567 get { return suspenddrawing; } | |
| 568 set { | |
| 569 lock (RenderLock) { | |
| 570 suspenddrawing = value; | |
| 571 if (!value) { | |
| 572 Refresh(DirtyRectangle); | |
| 573 DirtyRectangle = Rectangle.Empty; | |
| 574 } | |
| 575 } | |
| 576 } | |
| 577 } | |
| 578 public int RedrawDelay { | |
| 579 get { return PaintDelay; } | |
| 580 set { | |
| 581 lock (RenderLock) { | |
| 582 if (value < 0) throw new ArgumentOutOfRangeException("value"); | |
| 583 PaintDelay = value; | |
| 584 if (PaintDelay == 0) { | |
| 585 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 586 PaintTimer = null; | |
| 587 if (PaintScheduled) PaintTimerCallback(null); | |
| 588 } else { | |
| 589 PaintTimer = new ThreadingTimer(PaintTimerCallback); | |
| 590 } | |
| 591 } | |
| 592 } | |
| 593 } | |
| 594 private Boolean suspenddrawing = false; | |
| 595 private Rectangle DirtyRectangle; | |
| 596 | |
| 597 public Point CursorPosition { | |
| 598 get { return cursorposition; } | |
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599 set { UpdateCursor(value, cursor); } |
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600 } |
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601 protected void UpdateCursor(Point position, FBGCursor cursor) { |
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602 if (cursorposition == position && cursor == this.cursor) return; |
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603 Rectangle r1 = Rectangle.Empty; |
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604 if (this.cursor != null) { |
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605 r1 = this.cursor.Area; |
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606 r1.Offset(cursorposition); |
| 23 | 607 } |
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608 if (cursor != null) { |
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609 Rectangle r2 = cursor.Area; |
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610 r2.Offset(position); |
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611 r1 = r1.IsEmpty ? r2 : Rectangle.Union(r1, r2); |
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612 } |
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613 this.cursor = cursor; |
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614 cursorposition = position; |
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615 Invalidate(r1); |
| 23 | 616 } |
| 617 public override Rectangle Bounds { | |
| 618 get { return new Rectangle(Point.Empty, size); } | |
| 619 set { throw new NotSupportedException("Can not change the top control bounds"); } | |
| 620 } | |
| 621 public FBGRenderer(IFramebuffer fb) : this(fb.Width, fb.Height) { | |
| 622 Framebuffer = fb; | |
| 623 } | |
| 624 public FBGRenderer(Size fbsize) : this(fbsize.Width, fbsize.Height) { } | |
| 625 public FBGRenderer(int width, int height) : this(new Bitmap(width, height, PixelFormat.Format32bppRgb)) { } | |
| 626 public FBGRenderer(Bitmap bmp) : base(null) { | |
| 627 Frontbuffer = bmp; | |
| 628 BackColor = SystemColors.Control; | |
| 629 size = Frontbuffer.Size; | |
| 630 } | |
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631 protected FBGRenderer() : base(null) { |
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632 BackColor = SystemColors.Control; |
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633 } |
| 23 | 634 public override void Invalidate(Rectangle rect) { |
| 635 if (rect.Width == 0 || rect.Height == 0) return; | |
| 636 lock (RenderLock) { | |
| 637 if (SuspendDrawing || PaintTimer != null) { | |
| 638 DirtyRectangle = DirtyRectangle.IsEmpty ? rect : Rectangle.Union(DirtyRectangle, rect); | |
| 639 if (!SuspendDrawing && !PaintScheduled) { | |
| 640 PaintScheduled = true; | |
| 641 PaintTimer.Change(PaintDelay, Timeout.Infinite); | |
| 642 } | |
| 643 } else { | |
| 644 Refresh(rect); | |
| 645 } | |
| 646 } | |
| 647 } | |
| 648 private void PaintTimerCallback(Object state) { | |
| 649 try { | |
| 650 lock (RenderLock) { | |
| 651 PaintScheduled = false; | |
| 652 Refresh(DirtyRectangle); | |
| 653 DirtyRectangle = Rectangle.Empty; | |
| 654 } | |
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655 } catch (Exception ex) { |
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656 Debug.WriteLine(ex); |
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657 Console.Error.WriteLine(ex); |
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658 } |
| 23 | 659 } |
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660 protected virtual void Refresh(Rectangle rect) { |
| 23 | 661 lock (RenderLock) { |
| 662 rect.Intersect(Bounds); | |
| 663 if (rect.Width == 0 || rect.Height == 0) return; | |
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664 if (Frontbuffer != null) { |
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665 using (Graphics g = Graphics.FromImage(Frontbuffer)) { |
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666 g.SetClip(rect); |
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667 Paint(g); |
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668 } |
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669 if (Framebuffer != null) Framebuffer.DrawImage(Frontbuffer, rect, rect.Location); |
| 23 | 670 } |
| 671 RaiseEvent(Painted, new InvalidateEventArgs(rect)); | |
| 672 } | |
| 673 } | |
| 674 protected override void Paint(Graphics g) { | |
| 675 base.Paint(g); | |
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676 if (cursor != null) { |
| 23 | 677 Point r = CursorPosition; |
| 678 r.Offset(-cursor.Hotspot.X, -cursor.Hotspot.Y); | |
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679 g.DrawImage(cursor.Image, new Rectangle(r, cursor.Size)); |
| 23 | 680 } |
| 681 } | |
| 682 protected override Boolean CaptureMouse(Boolean capture) { | |
| 683 return true; | |
| 684 } | |
| 685 protected override Boolean CaptureKeyboard(bool capture) { | |
| 686 return true; | |
| 687 } | |
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688 public virtual void Dispose() { |
| 23 | 689 lock (RenderLock) { |
| 690 if (PaintTimer != null) PaintTimer.Dispose(); | |
| 691 PaintTimer = null; | |
| 692 } | |
| 693 Orphaned(); | |
| 694 if (Frontbuffer != null) Frontbuffer.Dispose(); | |
| 695 } | |
| 696 public Bitmap LockBitmapBuffer() { | |
| 697 Monitor.Enter(RenderLock); | |
| 698 return Frontbuffer; | |
| 699 } | |
| 700 public void UnlockBitmapBuffer() { | |
| 701 Monitor.Exit(RenderLock); | |
| 702 } | |
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703 public new void MouseMove(Point position, MouseButtons buttons) { base.MouseMove(position, buttons); UpdateCursor(cursorposition, CurrentCursor); } |
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704 public new void MouseDown(Point position, MouseButtons buttons) { base.MouseDown(position, buttons); UpdateCursor(cursorposition, CurrentCursor); } |
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705 public new void MouseUp(Point position, MouseButtons buttons) { base.MouseUp(position, buttons); UpdateCursor(cursorposition, CurrentCursor); } |
| 23 | 706 public new void KeyDown(Keys key) { base.KeyDown(key); } |
| 707 public new void KeyPress(Char key) { base.KeyPress(key); } | |
| 708 public new void KeyUp(Keys key) { base.KeyUp(key); } | |
| 709 } | |
| 710 public class FBGForm : FBGDockContainer { | |
| 711 private Point prevPosition = Point.Empty; | |
| 712 private NonClientOps moveresize = 0; | |
| 713 private String text = String.Empty; | |
| 714 public event EventHandler TextChanged; | |
| 715 public Boolean Sizable { get; set; } | |
| 716 public Boolean Movable { get; set; } | |
| 717 public Boolean Closable { get; set; } | |
| 718 [Flags] | |
| 719 private enum NonClientOps : int { | |
| 720 None = 0, | |
| 721 Move = 1, | |
| 722 ResizeLeft = 2, | |
| 723 ResizeRight = 4, | |
| 724 ResizeTop = 8, | |
| 725 ResizeBottom = 16, | |
| 726 ButtonClose = 32, | |
| 727 MoveResize = ResizeLeft | ResizeRight | ResizeBottom | ResizeTop | Move, | |
| 728 } | |
| 729 public FBGForm(IFBGContainerControl parent) : base(parent) { | |
| 730 BackColor = SystemColors.Control; | |
| 731 ClientRectangle = new Rectangle(4, 22, Bounds.Width - 8, Bounds.Height - 26); | |
| 732 Sizable = true; | |
| 733 Movable = true; | |
| 734 Closable = false; | |
| 735 } | |
| 736 public override Rectangle Bounds { | |
| 737 get { return base.Bounds; } | |
| 738 set { | |
| 739 ClientRectangle = new Rectangle(4, 22, value.Width - 8, value.Height - 26); | |
| 740 base.Bounds = value; | |
| 741 } | |
| 742 } | |
| 743 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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744 private NonClientOps GetNonClientOperation(Point p) { |
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745 if ((new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(p)) return NonClientOps.ButtonClose; |
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746 NonClientOps mr = 0; |
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747 if (Sizable) { |
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748 if (Movable) { |
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749 if (p.X < 4) mr |= NonClientOps.ResizeLeft; |
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750 if (p.Y < 4) mr |= NonClientOps.ResizeTop; |
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751 } |
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752 if (p.X >= Bounds.Width - 4) mr |= NonClientOps.ResizeRight; |
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753 if (p.Y >= Bounds.Height - 4) mr |= NonClientOps.ResizeBottom; |
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754 } |
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755 if (mr == 0 && Movable && p.Y < 20) mr = NonClientOps.Move; |
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756 return mr; |
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757 } |
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758 private void SetCursorForNonClientOperation(NonClientOps op) { |
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759 switch (op & NonClientOps.MoveResize) { |
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760 case NonClientOps.Move: CurrentCursor = FBGCursor.Move; break; |
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761 case NonClientOps.ResizeLeft: CurrentCursor = FBGCursor.SizeLeft; break; |
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762 case NonClientOps.ResizeRight: CurrentCursor = FBGCursor.SizeRight; break; |
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763 case NonClientOps.ResizeBottom: CurrentCursor = FBGCursor.SizeBottom; break; |
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764 case NonClientOps.ResizeTop: CurrentCursor = FBGCursor.SizeTop; break; |
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765 case NonClientOps.ResizeTop | NonClientOps.ResizeLeft: CurrentCursor = FBGCursor.SizeTopLeft; break; |
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766 case NonClientOps.ResizeTop | NonClientOps.ResizeRight: CurrentCursor = FBGCursor.SizeTopRight; break; |
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767 case NonClientOps.ResizeBottom | NonClientOps.ResizeLeft: CurrentCursor = FBGCursor.SizeBottomLeft; break; |
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768 case NonClientOps.ResizeBottom | NonClientOps.ResizeRight: CurrentCursor = FBGCursor.SizeBottomRight; break; |
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769 default: CurrentCursor = DefaultCursor; break; |
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770 } |
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771 } |
| 23 | 772 protected override void MouseDown(Point p, MouseButtons buttons) { |
| 773 NonClientOps mr = 0; | |
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774 if ((buttons & MouseButtons.Left) != 0) mr = GetNonClientOperation(p); |
| 23 | 775 if (mr != 0) { |
| 776 moveresize = mr; | |
| 777 prevPosition = p; | |
| 778 CaptureMouse(true); | |
| 779 } else { | |
| 780 base.MouseDown(p, buttons); | |
| 781 } | |
| 782 } | |
| 783 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 784 if (moveresize == 0) { | |
| 785 base.MouseMove(position, buttons); | |
| 786 } else if ((moveresize & NonClientOps.MoveResize) != 0) { | |
| 787 Rectangle b = Bounds; | |
| 788 int dx = position.X - prevPosition.X; | |
| 789 int dy = position.Y - prevPosition.Y; | |
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790 if (moveresize == NonClientOps.Move) { |
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791 b.Offset(dx, dy); |
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792 } |
| 23 | 793 if ((moveresize & NonClientOps.ResizeLeft) != 0) { |
| 794 b.X += dx; | |
| 795 b.Width -= dx; | |
| 796 } else if ((moveresize & NonClientOps.ResizeRight) != 0) { | |
| 797 b.Width += dx; | |
| 798 prevPosition.X = position.X; | |
| 799 } | |
| 800 if ((moveresize & NonClientOps.ResizeTop) != 0) { | |
| 801 b.Y += dy; | |
| 802 b.Height -= dy; | |
| 803 } else if ((moveresize & NonClientOps.ResizeBottom) != 0) { | |
| 804 b.Height += dy; | |
| 805 prevPosition.Y = position.Y; | |
| 806 } | |
| 807 if (b.Width < 55) b.Width = 55; | |
| 808 if (b.Height < 25) b.Height = 25; | |
| 809 Bounds = b; | |
| 810 } | |
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811 SetCursorForNonClientOperation(moveresize == 0 ? GetNonClientOperation(position) : moveresize); |
| 23 | 812 } |
| 813 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 814 if (moveresize == 0) { | |
| 815 base.MouseUp(position, buttons); | |
| 816 } else if ((buttons & MouseButtons.Left) != 0) { | |
| 817 MouseMove(position, buttons); | |
| 818 CaptureMouse(false); | |
| 819 if (moveresize == NonClientOps.ButtonClose && (new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(position) && Closable) Close(); | |
| 820 moveresize = 0; | |
| 821 } | |
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822 SetCursorForNonClientOperation(moveresize == 0 ? GetNonClientOperation(position) : moveresize); |
| 23 | 823 } |
| 824 protected override void Paint(Graphics g) { | |
| 825 base.Paint(g); | |
| 826 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 827 g.DrawRectangle(Pens.LightGray, 1, 1, Bounds.Width - 3, Bounds.Height - 3); | |
| 828 g.DrawRectangle(Pens.DarkGray, 2, 20, Bounds.Width - 5, Bounds.Height - 23); | |
| 829 g.DrawRectangle(Pens.Gray, 3, 21, Bounds.Width - 7, Bounds.Height - 25); | |
| 830 using (Brush b = new LinearGradientBrush(new Rectangle(0, 1, 1, 18), Color.Gray, Color.LightGray, LinearGradientMode.Vertical)) | |
| 831 g.FillRectangle(b, 2, 2, Bounds.Width - 4, 18); | |
| 832 | |
| 833 g.DrawString(Text, SystemFonts.CaptionFont, Brushes.Black, 4, 1); | |
| 834 | |
| 835 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14, 4, 14, 14); | |
| 836 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 16, 4, 14, 14); | |
| 837 g.DrawRectangle(Pens.Gray, Bounds.Width - 5 - 14 - 32, 4, 14, 14); | |
| 838 using (Brush b = new LinearGradientBrush(new Rectangle(0, 5, 1, 13), Color.LightGray, Color.DarkGray, LinearGradientMode.Vertical)) { | |
| 839 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1, 5, 13, 13); | |
| 840 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 16, 5, 13, 13); | |
| 841 g.FillRectangle(b, Bounds.Width - 5 - 14 + 1 - 32, 5, 13, 13); | |
| 842 } | |
| 843 if (Closable) { | |
| 844 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 14 - 3); | |
| 845 g.DrawLine(Pens.Black, Bounds.Width - 5 - 14 + 3, 4 + 14 - 3, Bounds.Width - 5 - 14 + 14 - 3, 4 + 3); | |
| 846 } | |
| 847 } | |
| 848 public void Close() { | |
| 849 Parent.RemoveControl(this); | |
| 850 } | |
| 851 } | |
| 852 public class FBGDesktop : FBGContainerControl { | |
| 853 FBGContainerControl windowcontainer; | |
| 854 FBGContainerControl menucontainer; | |
| 855 Boolean startup = true; | |
| 856 class FBGWindowState { | |
| 857 public IFBGControl Control; | |
| 858 public FBGButton MenuButton; | |
| 859 public Boolean Visible; | |
| 860 public Rectangle OldBounds; | |
| 861 public FBGWindowState(IFBGControl cntrl, FBGButton btn) { | |
| 862 Control = cntrl; | |
| 863 MenuButton = btn; | |
| 864 Visible = true; | |
| 865 } | |
| 866 } | |
| 867 Dictionary<IFBGControl, FBGWindowState> windowstates = new Dictionary<IFBGControl, FBGWindowState>(); | |
| 868 public FBGDesktop(IFBGContainerControl parent) : base(parent) { | |
| 869 menucontainer = new FBGContainerControl(this); | |
| 870 menucontainer.Bounds = new Rectangle(0, Bounds.Height - 25, Bounds.Width, 25); | |
| 871 windowcontainer = new FBGContainerControl(this); | |
| 872 windowcontainer.Bounds = new Rectangle(0, 0, Bounds.Width, Bounds.Height - 25); | |
| 873 startup = false; | |
| 874 } | |
| 875 public override Rectangle Bounds { | |
| 876 get { return base.Bounds; } | |
| 877 set { | |
| 878 if (Bounds == value) return; | |
| 879 base.Bounds = value; | |
| 880 if (startup) return; | |
| 881 menucontainer.Bounds = new Rectangle(0, value.Height - 25, value.Width, 25); | |
| 882 windowcontainer.Bounds = new Rectangle(0, 0, value.Width, value.Height - 25); | |
| 883 ScaleMenuButtons(); | |
| 884 } | |
| 885 } | |
| 886 protected override void AddControl(IFBGControl control) { | |
| 887 if (startup) { | |
| 888 base.AddControl(control); | |
| 889 return; | |
| 890 } | |
| 891 ((IFBGContainerControl)windowcontainer).AddControl(control); | |
| 892 FBGButton btn = new FBGButton(menucontainer); | |
| 893 FBGForm formcontrol = control as FBGForm; | |
| 894 if (formcontrol == null) { | |
| 895 btn.Text = "Untitled"; | |
| 896 } else { | |
| 897 formcontrol.TextChanged += delegate(Object sender, EventArgs e) { | |
| 898 btn.Text = formcontrol.Text; | |
| 899 }; | |
| 900 btn.Text = formcontrol.Text; | |
| 901 } | |
| 902 FBGWindowState ws = new FBGWindowState(control, btn); | |
| 903 windowstates.Add(control, ws); | |
| 904 ScaleMenuButtons(); | |
| 905 btn.Click += delegate(Object sender, EventArgs e) { | |
| 906 if (ws.Visible) { | |
| 907 if (ws.MenuButton.BackColor == Color.DarkGray) { | |
| 908 ws.OldBounds = ws.Control.Bounds; | |
| 909 ws.Visible = false; | |
| 910 ws.Control.Bounds = Rectangle.Empty; | |
| 911 } else { | |
| 912 windowcontainer.BringControlToFront(ws.Control); | |
| 913 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 914 ws.MenuButton.BackColor = Color.DarkGray; | |
| 915 } | |
| 916 } else { | |
| 917 ws.Control.Bounds = ws.OldBounds; | |
| 918 ws.Visible = true; | |
| 919 windowcontainer.BringControlToFront(ws.Control); | |
| 920 foreach (FBGWindowState wsa in windowstates.Values) if (!ReferenceEquals(ws, wsa)) wsa.MenuButton.BackColor = SystemColors.ButtonFace; | |
| 921 ws.MenuButton.BackColor = Color.DarkGray; | |
| 922 } | |
| 923 }; | |
| 924 } | |
| 925 public override void RemoveControl(IFBGControl control) { | |
| 926 windowcontainer.RemoveControl(control); | |
| 927 windowstates.Remove(control); | |
| 928 ScaleMenuButtons(); | |
| 929 } | |
| 930 private void ScaleMenuButtons() { | |
| 931 int bcount = windowstates.Count; | |
| 932 int bwidth = 200; | |
| 933 int twidth = bwidth * bcount; | |
| 934 if (twidth > Bounds.Width) bwidth = menucontainer.Bounds.Width / bcount; | |
| 935 int i = 0; | |
| 936 foreach (FBGWindowState ws in windowstates.Values) { | |
| 937 ws.MenuButton.Bounds = new Rectangle(i * bwidth, 0, bwidth, 25); | |
| 938 i++; | |
| 939 } | |
| 940 } | |
| 941 protected override void Paint(Graphics g) { | |
| 942 base.Paint(g); | |
| 943 g.DrawLine(Pens.Black, 0, Bounds.Height - 25, Bounds.Width, Bounds.Height - 25); | |
| 944 } | |
| 945 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 946 IFBGControl control = FindControlAtPosition(position); | |
| 947 if (ReferenceEquals(control, windowcontainer)) { | |
| 948 control = windowcontainer.FindControlAtPosition(PointToChild(windowcontainer, position)); | |
| 949 if (!ReferenceEquals(control, null)) { | |
| 950 windowcontainer.BringControlToFront(control); | |
| 951 foreach (FBGWindowState ws in windowstates.Values) | |
| 952 ws.MenuButton.BackColor = ReferenceEquals(ws.Control, control) ? Color.DarkGray : SystemColors.ButtonFace; | |
| 953 } | |
| 954 } | |
| 955 base.MouseDown(position, buttons); | |
| 956 } | |
| 957 } | |
| 958 | |
| 959 public class FBGLabel : FBGControl, IDisposable { | |
| 960 public FBGLabel(IFBGContainerControl parent) : base(parent) { | |
| 961 Size = new Size(200, 16); | |
| 962 } | |
| 963 private String text = String.Empty; | |
| 964 private Font font = SystemFonts.DefaultFont; | |
| 965 private Brush brush = SystemBrushes.ControlText; | |
| 966 private StringFormat stringformat = new StringFormat(); | |
| 967 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 968 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 969 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 970 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 971 public StringAlignment Alignment { get { return stringformat.Alignment; } set { stringformat.Alignment = value; Invalidate(); } } | |
| 972 public StringFormatFlags FormatFlags { get { return stringformat.FormatFlags; } set { stringformat.FormatFlags = value; Invalidate(); } } | |
| 973 public StringAlignment LineAlignment { get { return stringformat.LineAlignment; } set { stringformat.LineAlignment = value; Invalidate(); } } | |
| 974 public StringTrimming Trimming { get { return stringformat.Trimming; } set { stringformat.Trimming = value; Invalidate(); } } | |
| 975 protected override void Paint(Graphics g) { | |
| 976 base.Paint(g); | |
| 977 g.DrawString(text, font, brush, new Rectangle(Point.Empty, Bounds.Size), stringformat); | |
| 978 } | |
| 979 public void Dispose() { | |
| 980 stringformat.Dispose(); | |
| 981 } | |
| 982 protected override void Orphaned() { | |
| 983 base.Orphaned(); | |
| 984 Dispose(); | |
| 985 } | |
| 986 } | |
| 987 public class FBGTextBox : FBGControl { | |
| 988 public FBGTextBox(IFBGContainerControl parent) : base(parent) { | |
| 989 BackColor = Color.White; | |
| 990 Size = new Size(200, 20); | |
| 991 } | |
| 992 private String text = String.Empty; | |
| 993 private Char passwordChar = (Char)0; | |
| 994 private Font font = new Font(FontFamily.GenericMonospace, 10); | |
| 995 private Brush brush = SystemBrushes.ControlText; | |
| 996 private Boolean hasKeyboardFocus = false; | |
| 997 public String Text { get { return text; } set { text = value; if (CaretPosition > text.Length) CaretPosition = text.Length; Invalidate(); RaiseEvent(TextChanged); } } | |
| 998 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 999 public Brush Brush { get { return brush; } set { brush = value; Invalidate(); } } | |
| 1000 public Color Color { set { Brush = new SolidBrush(value); } } | |
| 1001 public Int32 CaretPosition { get; private set; } | |
| 1002 public Char PasswordChar { get { return passwordChar; } set { passwordChar = value; Invalidate(); } } | |
| 1003 public event EventHandler TextChanged; | |
| 1004 public event KeyPressEventHandler OnKeyPress; | |
| 1005 protected override void Paint(Graphics g) { | |
| 1006 base.Paint(g); | |
| 1007 g.DrawRectangle(Pens.Gray, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1008 using (StringFormat sf_nonprinting = new StringFormat(StringFormat.GenericTypographic)) { | |
| 1009 sf_nonprinting.Trimming = StringTrimming.None; | |
| 1010 sf_nonprinting.FormatFlags = StringFormatFlags.DisplayFormatControl | StringFormatFlags.MeasureTrailingSpaces; | |
| 1011 sf_nonprinting.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.None; | |
| 1012 | |
| 1013 float x = 1; | |
| 1014 float y = 1; | |
| 1015 float w = Width - 2; | |
| 1016 if (hasKeyboardFocus && CaretPosition == 0) { | |
| 1017 g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); | |
| 1018 } | |
| 1019 String c = passwordChar == 0 ? null : new String(passwordChar, 1); | |
| 1020 for (int i = 0; i < text.Length; i++) { | |
| 1021 if (passwordChar == 0) c = text.Substring(i, 1); | |
| 1022 SizeF s = g.MeasureString(c, font, (int)Math.Ceiling(w), sf_nonprinting); | |
| 1023 g.DrawString(c, font, brush, x, y); | |
| 1024 x += (float)Math.Ceiling(s.Width); | |
| 1025 w -= (float)Math.Ceiling(s.Width); | |
| 1026 | |
| 1027 if (hasKeyboardFocus && i == CaretPosition - 1) { | |
| 1028 g.DrawLine(Pens.Black, x + 2, 2, x + 2, Height - 4); | |
| 1029 } | |
| 1030 } | |
| 1031 } | |
| 1032 } | |
| 1033 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1034 hasKeyboardFocus = CaptureKeyboard(true); | |
| 1035 CaretPosition = text.Length; | |
| 1036 float x = 1; | |
| 1037 String c = passwordChar == 0 ? null : new String(passwordChar, 1); | |
| 1038 for (int i = 0; i < text.Length; i++) { | |
| 1039 if (passwordChar == 0) c = text.Substring(i, 1); | |
| 1040 Size s; | |
| 1041 try { | |
| 1042 s = TextRenderer.MeasureText(c, font, Size.Empty, TextFormatFlags.NoPadding | TextFormatFlags.NoPrefix); | |
| 1043 } catch (Exception) { | |
| 1044 break; | |
| 1045 } | |
| 1046 x += s.Width; | |
| 1047 if (position.X < x) { | |
| 1048 CaretPosition = i; | |
| 1049 break; | |
| 1050 } | |
| 1051 } | |
| 1052 Invalidate(); | |
| 1053 } | |
| 1054 protected override void KeyDown(Keys key) { | |
| 1055 if ((key & Keys.KeyCode) == Keys.Left) { | |
| 1056 CaretPosition--; | |
| 1057 if (CaretPosition < 0) CaretPosition = 0; | |
| 1058 Invalidate(); | |
| 1059 } else if ((key & Keys.KeyCode) == Keys.Right) { | |
| 1060 CaretPosition++; | |
| 1061 if (CaretPosition > text.Length) CaretPosition = text.Length; | |
| 1062 Invalidate(); | |
| 1063 } else if ((key & Keys.KeyCode) == Keys.Home) { | |
| 1064 CaretPosition = 0; | |
| 1065 Invalidate(); | |
| 1066 } else if ((key & Keys.KeyCode) == Keys.End) { | |
| 1067 CaretPosition = text.Length; | |
| 1068 Invalidate(); | |
| 1069 } else if ((key & Keys.Control) != 0 && (key & Keys.KeyCode) == Keys.V) { | |
| 1070 String cbtext = Clipboard.GetText(TextDataFormat.UnicodeText); | |
| 1071 CaretPosition += cbtext.Length; | |
| 1072 Text = Text.Insert(CaretPosition - cbtext.Length, cbtext); | |
| 1073 } | |
| 1074 } | |
| 1075 protected override void KeyPress(char keyChar) { | |
| 1076 KeyPressEventArgs e = new KeyPressEventArgs(keyChar); | |
| 1077 RaiseEvent(OnKeyPress, e); | |
| 1078 if (e.Handled) return; | |
| 1079 hasKeyboardFocus = true; | |
| 1080 if (keyChar == 8) { | |
| 1081 if (CaretPosition > 0) { | |
| 1082 CaretPosition--; | |
| 1083 Text = Text.Remove(CaretPosition, 1); | |
| 1084 } | |
| 1085 } else if (keyChar == 127) { | |
| 1086 if (CaretPosition < Text.Length) { | |
| 1087 Text = Text.Remove(CaretPosition, 1); | |
| 1088 } | |
| 1089 } else if (keyChar < 32) { | |
| 1090 } else { | |
| 1091 CaretPosition++; | |
| 1092 Text = Text.Insert(CaretPosition - 1, new String(keyChar, 1)); | |
| 1093 } | |
| 1094 } | |
| 1095 public void Focus() { | |
| 1096 hasKeyboardFocus = CaptureKeyboard(true); | |
| 1097 } | |
| 1098 protected override void LostKeyboardCapture() { | |
| 1099 base.LostKeyboardCapture(); | |
| 1100 hasKeyboardFocus = false; | |
| 1101 Invalidate(); | |
| 1102 } | |
| 1103 } | |
| 1104 public class FBGButton : FBGControl { | |
| 1105 public FBGButton(IFBGContainerControl parent) : base(parent) { | |
| 1106 BackColor = SystemColors.ButtonFace; | |
| 1107 } | |
| 1108 private String text = String.Empty; | |
| 1109 private Font font = SystemFonts.DefaultFont; | |
| 1110 private Color color = SystemColors.ControlText; | |
| 1111 private Boolean pressed = false; | |
| 1112 private Boolean enabled = true; | |
| 1113 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1114 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1115 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1116 public Boolean Enabled { get { return enabled; } set { enabled = value; Invalidate(); } } | |
| 1117 public event EventHandler Click; | |
| 1118 protected override void Paint(Graphics g) { | |
| 1119 base.Paint(g); | |
| 1120 if (Bounds.Width == 0 || Bounds.Height == 0) return; | |
| 1121 if (BackColor == SystemColors.ButtonFace) { | |
| 1122 ControlPaint.DrawButton(g, new Rectangle(0, 0, Bounds.Width, Bounds.Height), enabled ? (pressed ? ButtonState.Pushed : ButtonState.Normal) : ButtonState.Inactive); | |
| 1123 } else { | |
| 1124 //Hackish and not completely right... | |
| 1125 //Todo: borrowed from mono... possible licencing issues!? | |
| 1126 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, Bounds.Width, 0); | |
| 1127 g.DrawLine(new Pen(ControlPaint.LightLight(BackColor)), 0, 0, 0, Bounds.Height); | |
| 1128 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), 1, Bounds.Height - 2, Bounds.Width - 1, Bounds.Height - 2); | |
| 1129 g.DrawLine(new Pen(ControlPaint.Dark(BackColor)), Bounds.Width - 2, 1, Bounds.Width - 2, Bounds.Height - 2); | |
| 1130 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), 0, Bounds.Height - 1, Bounds.Width, Bounds.Height - 1); | |
| 1131 g.DrawLine(new Pen(ControlPaint.DarkDark(BackColor)), Bounds.Width - 1, 1, Bounds.Width - 1, Bounds.Height - 1); | |
| 1132 Graphics dc = g; | |
| 1133 Rectangle rectangle = new Rectangle(0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1134 Color ColorControl = BackColor; | |
| 1135 Color ColorControlLight = ControlPaint.Light(ColorControl); | |
| 1136 ButtonState state = pressed ? ButtonState.Pushed : ButtonState.Normal; | |
| 1137 using (Pen NormalPen = new Pen(BackColor), LightPen = new Pen(ControlPaint.Light(BackColor)), DarkPen = new Pen(ControlPaint.Dark(BackColor))) { | |
| 1138 // sadly enough, the rectangle gets always filled with a hatchbrush | |
| 1139 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, Color.FromArgb(Math.Min(255, ColorControl.R + 3), ColorControl.G, ColorControl.B), ColorControl)) { | |
| 1140 dc.FillRectangle(hb, rectangle.X + 1, rectangle.Y + 1, rectangle.Width - 2, rectangle.Height - 2); | |
| 1141 } | |
| 1142 if ((state & ButtonState.All) == ButtonState.All || ((state & ButtonState.Checked) == ButtonState.Checked && (state & ButtonState.Flat) == ButtonState.Flat)) { | |
| 1143 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1144 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1145 } | |
| 1146 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1147 } else if ((state & ButtonState.Flat) == ButtonState.Flat) { | |
| 1148 dc.DrawRectangle(SystemPens.ControlDark, rectangle.X, rectangle.Y, rectangle.Width - 1, rectangle.Height - 1); | |
| 1149 } else if ((state & ButtonState.Checked) == ButtonState.Checked) { | |
| 1150 using (HatchBrush hb = new HatchBrush(HatchStyle.Percent50, ColorControlLight, ColorControl)) { | |
| 1151 dc.FillRectangle(hb, rectangle.X + 2, rectangle.Y + 2, rectangle.Width - 4, rectangle.Height - 4); | |
| 1152 } | |
| 1153 Pen pen = DarkPen; | |
| 1154 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1155 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1156 | |
| 1157 pen = NormalPen; | |
| 1158 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1159 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1160 | |
| 1161 pen = LightPen; | |
| 1162 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1163 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1164 } else if (((state & ButtonState.Pushed) == ButtonState.Pushed) && ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1165 Pen pen = DarkPen; | |
| 1166 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1167 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1168 | |
| 1169 pen = NormalPen; | |
| 1170 dc.DrawLine(pen, rectangle.X + 1, rectangle.Y + 1, rectangle.X + 1, rectangle.Bottom - 3); | |
| 1171 dc.DrawLine(pen, rectangle.X + 2, rectangle.Y + 1, rectangle.Right - 3, rectangle.Y + 1); | |
| 1172 | |
| 1173 pen = LightPen; | |
| 1174 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 2, rectangle.Bottom - 1); | |
| 1175 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1176 } else if (((state & ButtonState.Inactive) == ButtonState.Inactive) || ((state & ButtonState.Normal) == ButtonState.Normal)) { | |
| 1177 Pen pen = LightPen; | |
| 1178 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.Right - 2, rectangle.Y); | |
| 1179 dc.DrawLine(pen, rectangle.X, rectangle.Y, rectangle.X, rectangle.Bottom - 2); | |
| 1180 | |
| 1181 pen = NormalPen; | |
| 1182 dc.DrawLine(pen, rectangle.X + 1, rectangle.Bottom - 2, rectangle.Right - 2, rectangle.Bottom - 2); | |
| 1183 dc.DrawLine(pen, rectangle.Right - 2, rectangle.Y + 1, rectangle.Right - 2, rectangle.Bottom - 3); | |
| 1184 | |
| 1185 pen = DarkPen; | |
| 1186 dc.DrawLine(pen, rectangle.X, rectangle.Bottom - 1, rectangle.Right - 1, rectangle.Bottom - 1); | |
| 1187 dc.DrawLine(pen, rectangle.Right - 1, rectangle.Y, rectangle.Right - 1, rectangle.Bottom - 2); | |
| 1188 } | |
| 1189 } | |
| 1190 } | |
| 1191 Rectangle frect = new Rectangle(Point.Empty, Bounds.Size); | |
| 1192 SizeF textsize = g.MeasureString(Text, Font); | |
| 1193 using (Brush b = new SolidBrush(enabled ? Color : Color.DarkGray)) { | |
| 1194 g.DrawString(Text, Font, b, new PointF(Bounds.Width / 2.0f - textsize.Width / 2.0f, Bounds.Height / 2.0f - textsize.Height / 2.0f)); | |
| 1195 } | |
| 1196 } | |
| 1197 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1198 pressed = true; | |
| 1199 Invalidate(); | |
| 1200 CaptureMouse(true); | |
| 1201 base.MouseDown(position, buttons); | |
| 1202 } | |
| 1203 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1204 pressed = false; | |
| 1205 Invalidate(); | |
| 1206 CaptureMouse(false); | |
| 1207 if (position.X >= 0 && position.X <= Bounds.Width && position.Y >= 0 && position.Y <= Bounds.Height && enabled) RaiseEvent(Click); | |
| 1208 base.MouseUp(position, buttons); | |
| 1209 } | |
| 1210 protected override void KeyDown(Keys key) { | |
| 1211 if (key == Keys.Return || key == Keys.Space) { | |
| 1212 pressed = true; | |
| 1213 Invalidate(); | |
| 1214 } | |
| 1215 base.KeyDown(key); | |
| 1216 } | |
| 1217 protected override void KeyUp(Keys key) { | |
| 1218 if (key == Keys.Return || key == Keys.Space) { | |
| 1219 if (pressed) RaiseEvent(Click); | |
| 1220 pressed = false; | |
| 1221 Invalidate(); | |
| 1222 } | |
| 1223 base.KeyUp(key); | |
| 1224 } | |
| 1225 public void Focus() { | |
| 1226 CaptureKeyboard(true); | |
| 1227 } | |
| 1228 } | |
| 1229 public class FBGCheckBox : FBGControl { | |
| 1230 public FBGCheckBox(IFBGContainerControl parent) : base(parent) { } | |
| 1231 private String text = String.Empty; | |
| 1232 private Font font = SystemFonts.DefaultFont; | |
| 1233 private Color color = SystemColors.ControlText; | |
| 1234 private Boolean _checked = false; | |
| 1235 public String Text { get { return text; } set { text = value; Invalidate(); } } | |
| 1236 public Font Font { get { return font; } set { font = value; Invalidate(); } } | |
| 1237 public Color Color { get { return color; } set { color = value; Invalidate(); } } | |
| 1238 public Boolean Checked { get { return _checked; } set { _checked = value; Invalidate(); } } | |
| 1239 public event EventHandler CheckedChanged; | |
| 1240 protected override void Paint(Graphics g) { | |
| 1241 base.Paint(g); | |
| 1242 ControlPaint.DrawCheckBox(g, 0, 0, 13, 13, _checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1243 g.DrawString(Text, Font, new SolidBrush(Color), 15, 0); | |
| 1244 } | |
| 1245 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1246 Checked = !Checked; | |
| 1247 RaiseEvent(CheckedChanged); | |
| 1248 base.MouseDown(position, buttons); | |
| 1249 } | |
| 1250 } | |
| 1251 public class FBGImageBox : FBGControl { | |
| 1252 Image image = null; | |
| 1253 PictureBoxSizeMode sizeMode = PictureBoxSizeMode.Normal; | |
| 1254 Rectangle imageRect; | |
|
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parents:
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diff
changeset
|
1255 public Image Image { get { return image; } set { image = value; UpdateImageRect(Size.Empty); } } |
| 23 | 1256 public FBGImageBox(IFBGContainerControl parent) : base(parent) { } |
|
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parents:
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diff
changeset
|
1257 public PictureBoxSizeMode SizeMode { get { return sizeMode; } set { sizeMode = value; UpdateImageRect(Size.Empty); } } |
| 23 | 1258 public override Rectangle Bounds { |
| 1259 get { | |
| 1260 return base.Bounds; | |
| 1261 } | |
| 1262 set { | |
|
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parents:
27
diff
changeset
|
1263 UpdateImageRect(value.Size); |
| 23 | 1264 base.Bounds = value; |
| 1265 } | |
| 1266 } | |
|
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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
Ivo Smits <Ivo@UCIS.nl>
parents:
27
diff
changeset
|
1267 private void UpdateImageRect(Size csize) { |
| 23 | 1268 if (image == null) return; |
|
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Ivo Smits <Ivo@UCIS.nl>
parents:
27
diff
changeset
|
1269 Boolean boundsset = !csize.IsEmpty; |
| 23 | 1270 if (!boundsset && sizeMode == PictureBoxSizeMode.AutoSize) { |
| 1271 Size = Image.Size; | |
| 1272 return; | |
| 1273 } | |
|
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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
Ivo Smits <Ivo@UCIS.nl>
parents:
27
diff
changeset
|
1274 if (!boundsset) csize = Bounds.Size; |
| 23 | 1275 switch (sizeMode) { |
| 1276 case PictureBoxSizeMode.AutoSize: | |
| 1277 case PictureBoxSizeMode.Normal: | |
| 1278 imageRect = new Rectangle(Point.Empty, image.Size); | |
| 1279 break; | |
| 1280 case PictureBoxSizeMode.CenterImage: | |
|
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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
Ivo Smits <Ivo@UCIS.nl>
parents:
27
diff
changeset
|
1281 imageRect = new Rectangle(csize.Width / 2 - image.Width / 2, csize.Height / 2 - Image.Height / 2, image.Width, image.Height); |
| 23 | 1282 break; |
| 1283 case PictureBoxSizeMode.StretchImage: | |
|
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FBGUI: Added per-control Cursor handling, added more cursors for Form operations, fixed ImageBox image sizing
Ivo Smits <Ivo@UCIS.nl>
parents:
27
diff
changeset
|
1284 imageRect = new Rectangle(Point.Empty, csize); |
| 23 | 1285 break; |
| 1286 case PictureBoxSizeMode.Zoom: | |
|
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parents:
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diff
changeset
|
1287 float xrat = (float)csize.Width / (float)image.Width; |
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1288 float yrat = (float)csize.Height / (float)image.Height; |
| 23 | 1289 float rat = Math.Min(xrat, yrat); |
| 1290 SizeF dispsize = new SizeF(image.Width * rat, image.Height * rat); | |
|
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1291 imageRect = Rectangle.Round(new RectangleF(csize.Width / 2f - dispsize.Width / 2f, csize.Height / 2f - dispsize.Height / 2f, dispsize.Width, dispsize.Height)); |
| 23 | 1292 break; |
| 1293 } | |
| 1294 if (!boundsset) Invalidate(); | |
| 1295 } | |
| 1296 protected override void Paint(Graphics g) { | |
| 1297 if (!Visible) return; | |
| 1298 base.Paint(g); | |
| 1299 if (image != null) g.DrawImage(image, imageRect); | |
| 1300 } | |
|
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1301 public Point PointToImage(Point point) { |
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1302 switch (sizeMode) { |
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1303 case PictureBoxSizeMode.AutoSize: |
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1304 case PictureBoxSizeMode.Normal: |
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1305 break; |
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1306 case PictureBoxSizeMode.CenterImage: |
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1307 point.X -= imageRect.X; |
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1308 point.Y -= imageRect.Y; |
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1309 break; |
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1310 case PictureBoxSizeMode.StretchImage: |
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1311 case PictureBoxSizeMode.Zoom: |
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1312 default: |
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1313 point.X = (point.X - imageRect.X) * image.Width / imageRect.Width; |
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1314 point.Y = (point.Y - imageRect.Y) * image.Height / imageRect.Height; |
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1315 break; |
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1316 } |
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1317 return point; |
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1318 } |
| 23 | 1319 } |
| 1320 public class FBGListBox : FBGControl { | |
| 1321 private List<Object> items = new List<object>(); | |
| 1322 private Object selected = null; | |
| 1323 private Object highlighted = null; | |
| 1324 private Boolean hasScrollBar = false; | |
| 1325 private Boolean hitScrollBar = false; | |
| 1326 private int offset = 0; | |
| 1327 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1328 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1329 private Converter<Object, String> itemFormatter = null; | |
| 1330 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1331 public FBGListBox(IFBGContainerControl parent) | |
| 1332 : base(parent) { | |
| 1333 BackColor = Color.White; | |
| 1334 } | |
| 1335 public void AddItem(Object item) { | |
| 1336 items.Add(item); | |
| 1337 Invalidate(); | |
| 1338 } | |
| 1339 protected override void Paint(Graphics g) { | |
| 1340 base.Paint(g); | |
| 1341 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1342 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1343 int th = lh * items.Count; | |
| 1344 int y = 2; | |
| 1345 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1346 dottedpen.DashStyle = DashStyle.Dot; | |
| 1347 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1348 for (int i = offset; i < items.Count; i++) { | |
| 1349 Object item = items[i]; | |
| 1350 String text = itemFormatter == null ? (item == null ? String.Empty : item.ToString()) : itemFormatter(item); | |
| 1351 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, Bounds.Width - 4, lh); | |
| 1352 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, Bounds.Width - 5, lh - 1); | |
| 1353 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, y, Bounds.Width - 6, lh), sf); | |
| 1354 y += lh; | |
| 1355 if (y + lh + 2 >= Bounds.Height) break; | |
| 1356 } | |
| 1357 } | |
| 1358 } | |
| 1359 if (y < th) hasScrollBar = true; | |
| 1360 if (hasScrollBar) { | |
| 1361 int xoff = Bounds.Width - 17; | |
| 1362 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1363 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1364 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1365 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 1366 g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (items.Count - 1), 15, 20)); | |
| 1367 } | |
| 1368 } | |
| 1369 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1370 if ((buttons & MouseButtons.Left) != 0) { | |
| 1371 CaptureMouse(true); | |
| 1372 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1373 hitScrollBar = true; | |
| 1374 if (position.Y < 17) { | |
| 1375 offset--; | |
| 1376 buttonUpState = ButtonState.Pushed; | |
| 1377 } else if (position.Y > Bounds.Height - 17) { | |
| 1378 offset++; | |
| 1379 buttonDownState = ButtonState.Pushed; | |
| 1380 } else { | |
| 1381 offset = (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1382 } | |
| 1383 if (offset < 0) offset = 0; | |
| 1384 if (offset >= items.Count) offset = items.Count - 1; | |
| 1385 Invalidate(); | |
| 1386 } else { | |
| 1387 MouseHandler(position, buttons); | |
| 1388 } | |
| 1389 } | |
| 1390 } | |
| 1391 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1392 if (hitScrollBar) { | |
| 1393 if (position.Y < 17) { | |
| 1394 } else if (position.Y > Bounds.Height - 17) { | |
| 1395 } else { | |
| 1396 offset = (int)Math.Round((position.Y - 17) * (items.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1397 if (offset < 0) offset = 0; | |
| 1398 if (offset >= items.Count) offset = items.Count - 1; | |
| 1399 Invalidate(); | |
| 1400 } | |
| 1401 return; | |
| 1402 } | |
| 1403 MouseHandler(position, buttons); | |
| 1404 } | |
| 1405 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1406 if ((buttons & MouseButtons.Left) != 0) { | |
| 1407 CaptureMouse(false); | |
| 1408 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 1409 Invalidate(); | |
| 1410 if (hitScrollBar) { | |
| 1411 hitScrollBar = false; | |
| 1412 return; | |
| 1413 } | |
| 1414 } | |
| 1415 if (hitScrollBar) return; | |
| 1416 MouseHandler(position, buttons); | |
| 1417 } | |
| 1418 private void MouseHandler(Point position, MouseButtons buttons) { | |
| 1419 if ((buttons & MouseButtons.Left) != 0) { | |
| 1420 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); | |
| 1421 int i = (position.Y - 2) / lh + offset; | |
| 1422 if (i < 0) i = 0; | |
| 1423 if (i >= items.Count) i = items.Count - 1; | |
| 1424 Boolean changed = false; | |
| 1425 Object current = items[i]; | |
| 1426 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 1427 highlighted = current; | |
| 1428 if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 1429 if (!ReferenceEquals(selected, current)) changed = true; | |
| 1430 selected = current; | |
| 1431 } | |
| 1432 if (changed) Invalidate(); | |
| 1433 } | |
| 1434 } | |
| 1435 } | |
|
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1436 public abstract class FBGUpDownControlBase : FBGControl { |
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1437 private ButtonState buttonUpState = ButtonState.Normal; |
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1438 private ButtonState buttonDownState = ButtonState.Normal; |
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1439 public FBGUpDownControlBase(IFBGContainerControl parent) : base(parent) { |
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1440 BackColor = Color.White; |
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1441 Height = 25; |
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1442 } |
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1443 protected override void Paint(Graphics g) { |
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1444 base.Paint(g); |
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1445 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); |
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1446 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight()); |
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1447 String text = SelectedText; |
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1448 if (text == null) { |
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1449 g.FillRectangle(Brushes.DarkGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); |
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1450 } else { |
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1451 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { |
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1452 sf.LineAlignment = StringAlignment.Center; |
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1453 g.FillRectangle(Brushes.LightGray, 2, 2, Bounds.Width - 4 - 16, Bounds.Height - 4); |
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1454 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(3, 2, Bounds.Width - 6 - 16, Bounds.Height - 4), sf); |
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1455 } |
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1456 } |
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1457 int xoff = Bounds.Width - 17; |
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1458 int he = (Bounds.Height - 2) / 2; |
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1459 ControlPaint.DrawScrollButton(g, xoff, 1, 16, he, ScrollButton.Up, buttonUpState); |
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1460 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - he - 1, 16, he, ScrollButton.Down, buttonDownState); |
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1461 } |
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1462 protected abstract String SelectedText { get; } |
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1463 protected override void MouseDown(Point position, MouseButtons buttons) { |
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1464 CaptureKeyboard(true); |
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1465 if ((buttons & MouseButtons.Left) != 0) { |
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1466 CaptureMouse(true); |
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1467 if (position.X > Bounds.Width - 17) { |
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1468 if (position.Y < Bounds.Height / 2) { |
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1469 buttonUpState = ButtonState.Pushed; |
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1470 ButtonPressUp(); |
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1471 } else { |
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1472 buttonDownState = ButtonState.Pushed; |
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1473 ButtonPressDown(); |
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1474 } |
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1475 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); |
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1476 } |
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1477 } |
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1478 } |
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1479 protected override void MouseUp(Point position, MouseButtons buttons) { |
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1480 if ((buttons & MouseButtons.Left) != 0) { |
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1481 CaptureMouse(false); |
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1482 buttonUpState = buttonDownState = ButtonState.Normal; |
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1483 Invalidate(new Rectangle(Bounds.Width - 16, 0, 16, Bounds.Height)); |
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1484 } |
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1485 } |
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1486 protected override void KeyDown(Keys key) { |
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1487 base.KeyDown(key); |
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1488 if (key == Keys.Down) ButtonPressDown(); |
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1489 else if (key == Keys.Up) ButtonPressUp(); |
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1490 } |
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1491 protected abstract void ButtonPressUp(); |
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1492 protected abstract void ButtonPressDown(); |
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1493 } |
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1494 public class FBGDomainUpDown : FBGUpDownControlBase { |
| 23 | 1495 private List<Object> items = new List<object>(); |
| 1496 private int selectedIndex = -1; | |
| 1497 private Converter<Object, String> itemFormatter = null; | |
| 1498 public Boolean AllowSelectEmpty { get; set; } | |
| 1499 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1500 public event EventHandler SelectedIndexChanged; | |
|
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1501 public FBGDomainUpDown(IFBGContainerControl parent) : base(parent) { } |
| 23 | 1502 public void AddItem(Object item) { |
| 1503 items.Add(item); | |
| 1504 Invalidate(); | |
| 1505 } | |
| 1506 public void RemoveItem(Object item) { | |
| 1507 items.Remove(item); | |
| 1508 FixSelectedIndex(0); | |
| 1509 } | |
| 1510 public void RemoveItem(int index) { | |
| 1511 items.RemoveAt(index); | |
| 1512 FixSelectedIndex(0); | |
| 1513 } | |
| 1514 public int SelectedIndex { | |
| 1515 get { return selectedIndex; } | |
| 1516 set { | |
| 1517 if (value < -2 || value >= items.Count) throw new ArgumentOutOfRangeException("value", "Value must be between -1 and the number of items minus one"); | |
| 1518 if (selectedIndex == value) return; | |
| 1519 selectedIndex = value; | |
| 1520 Invalidate(); | |
| 1521 RaiseEvent(SelectedIndexChanged); | |
| 1522 } | |
| 1523 } | |
| 1524 public Object SelectedItem { | |
| 1525 get { return selectedIndex == -1 ? null : items[selectedIndex]; } | |
| 1526 set { | |
| 1527 if (value == null) { | |
| 1528 SelectedIndex = -1; | |
| 1529 } else { | |
| 1530 for (int i = 0; i < items.Count; i++) { | |
| 1531 if (items[i] == value) { | |
| 1532 SelectedIndex = i; | |
| 1533 break; | |
| 1534 } | |
| 1535 } | |
| 1536 } | |
| 1537 } | |
| 1538 } | |
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1539 protected override string SelectedText { |
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1540 get { |
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1541 if (selectedIndex == -1) return null; |
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1542 Object item = items[selectedIndex]; |
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1543 if (itemFormatter != null) return itemFormatter(item); |
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1544 if (item == null) return null; |
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1545 return item.ToString(); |
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1546 } |
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1547 } |
| 23 | 1548 private void FixSelectedIndex(int change) { |
| 1549 int value = selectedIndex; | |
| 1550 if (value == 0 && change == -1 && !AllowSelectEmpty) change = 0; | |
| 1551 value += change; | |
| 1552 if (value < -1) value = -1; | |
| 1553 if (value >= items.Count) value = items.Count - 1; | |
| 1554 SelectedIndex = value; | |
| 1555 } | |
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1556 protected override void ButtonPressDown() { |
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1557 FixSelectedIndex(1); |
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1558 } |
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1559 protected override void ButtonPressUp() { |
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1560 FixSelectedIndex(-1); |
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1561 } |
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1562 } |
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1563 public class FBGNumericUpDown : FBGUpDownControlBase { |
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1564 private int minimum = 0; |
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1565 private int maximum = 0; |
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1566 private int value = 0; |
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1567 public event EventHandler SelectedValueChanged; |
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1568 public FBGNumericUpDown(IFBGContainerControl parent) : base(parent) { } |
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1569 public int Value { |
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1570 get { return value; } |
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1571 set { if (this.value == value) return; this.value = value; Invalidate(); RaiseEvent(SelectedValueChanged); } |
| 23 | 1572 } |
|
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1573 public int Minimum { |
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1574 get { return minimum; } |
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1575 set { minimum = value; if (this.value < minimum) this.Value = minimum; } |
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1576 } |
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1577 public int Maximum { |
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1578 get { return maximum; } |
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1579 set { maximum = value; if (this.value > maximum) this.Value = maximum; } |
| 23 | 1580 } |
|
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1581 public int Step { get; set; } |
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1582 protected override string SelectedText { |
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1583 get { return value.ToString(); } |
| 23 | 1584 } |
|
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1585 protected override void ButtonPressDown() { |
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1586 Value = Math.Max(minimum, value - Step); |
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1587 } |
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1588 protected override void ButtonPressUp() { |
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1589 Value = Math.Min(maximum, value + Step); |
| 23 | 1590 } |
| 1591 } | |
| 1592 public interface IFBGTreeParent { | |
| 1593 FBGTreeView TreeView { get; } | |
| 1594 int Depth { get; } | |
| 1595 void AddChild(FBGTreeNode node); | |
| 1596 void RemoveChild(FBGTreeNode node); | |
| 1597 } | |
| 1598 public class FBGTreeNode : IFBGTreeParent { | |
| 1599 private List<FBGTreeNode> children = new List<FBGTreeNode>(); | |
| 1600 private Boolean expanded = true; | |
| 1601 private Boolean hasCheckBox = false; | |
| 1602 private Boolean isChecked = false; | |
| 1603 private Object item; | |
| 1604 | |
| 1605 public FBGTreeView TreeView { get; private set; } | |
| 1606 public int Depth { get; private set; } | |
| 1607 public Object Tag { get; set; } | |
| 1608 public IFBGTreeParent Parent { get; private set; } | |
| 1609 | |
| 1610 public IList<FBGTreeNode> Children { get { return children.AsReadOnly(); } } | |
| 1611 | |
| 1612 public Object Item { | |
| 1613 get { return item; } | |
| 1614 set { | |
| 1615 item = value; | |
| 1616 Invalidate(); | |
| 1617 } | |
| 1618 } | |
| 1619 public Boolean Expanded { | |
| 1620 get { return expanded; } | |
| 1621 set { | |
| 1622 if (expanded == value) return; | |
| 1623 expanded = value; | |
| 1624 UpdateTree(); | |
| 1625 } | |
| 1626 } | |
| 1627 public Boolean HasCheckBox { | |
| 1628 get { return hasCheckBox; } | |
| 1629 set { | |
| 1630 if (hasCheckBox == value) return; | |
| 1631 hasCheckBox = value; | |
| 1632 Invalidate(); | |
| 1633 } | |
| 1634 } | |
| 1635 public Boolean Checked { | |
| 1636 get { return isChecked; } | |
| 1637 set { | |
| 1638 if (isChecked == value) return; | |
| 1639 isChecked = value; | |
| 1640 Invalidate(); | |
| 1641 if (TreeView != null) TreeView.RaiseNodeCheckedChanged(this); | |
| 1642 } | |
| 1643 } | |
| 1644 | |
| 1645 public FBGTreeNode(IFBGTreeParent parent, Object item) { | |
| 1646 this.TreeView = parent.TreeView; | |
| 1647 this.Depth = parent.Depth + 1; | |
| 1648 this.Parent = parent; | |
| 1649 this.item = item; | |
| 1650 parent.AddChild(this); | |
| 1651 } | |
| 1652 | |
| 1653 public void Remove() { | |
| 1654 Parent.RemoveChild(this); | |
| 1655 } | |
| 1656 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1657 children.Add(node); | |
| 1658 if (Expanded) UpdateTree(); | |
| 1659 else Invalidate(); | |
| 1660 } | |
| 1661 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1662 children.Remove(node); | |
| 1663 TreeView.ReleaseNodeFromTree(node); | |
| 1664 if (Expanded) UpdateTree(); | |
| 1665 else Invalidate(); | |
| 1666 } | |
| 1667 public void Invalidate() { | |
| 1668 if (TreeView != null) TreeView.Invalidate(this); | |
| 1669 } | |
| 1670 private void UpdateTree() { | |
| 1671 if (TreeView != null) TreeView.UpdateView(); | |
| 1672 } | |
| 1673 public FBGTreeNode AddNode(Object item) { | |
| 1674 return new FBGTreeNode(this, item); | |
| 1675 } | |
| 1676 } | |
| 1677 public class FBGTreeView : FBGControl, IFBGTreeParent { | |
| 1678 private List<FBGTreeNode> items = new List<FBGTreeNode>(); | |
| 1679 private List<FBGTreeNode> itemsView = new List<FBGTreeNode>(); | |
| 1680 private FBGTreeNode selected = null; | |
| 1681 private FBGTreeNode highlighted = null; | |
| 1682 private Boolean hasScrollBar = false; | |
| 1683 private Boolean hitScrollBar = false; | |
| 1684 private int offset = 0; | |
| 1685 private ButtonState buttonUpState = ButtonState.Normal; | |
| 1686 private ButtonState buttonDownState = ButtonState.Normal; | |
| 1687 private Converter<Object, String> itemFormatter = null; | |
| 1688 | |
| 1689 public Converter<Object, String> ItemFormatter { get { return itemFormatter; } set { itemFormatter = value; Invalidate(); } } | |
| 1690 public FBGTreeNode SelectedNode { get { return selected; } set { if (selected != value) { selected = value; Invalidate(); RaiseEvent(SelectedNodeChanged); } } } | |
| 1691 public IList<FBGTreeNode> Nodes { get { return items.AsReadOnly(); } } | |
| 1692 | |
| 1693 public event EventHandler SelectedNodeChanged; | |
| 1694 public event EventHandler NodeCheckedChanged; | |
| 1695 | |
| 1696 public FBGTreeView(IFBGContainerControl parent) : base(parent) { | |
| 1697 BackColor = Color.White; | |
| 1698 } | |
| 1699 FBGTreeView IFBGTreeParent.TreeView { get { return this; } } | |
| 1700 int IFBGTreeParent.Depth { get { return -1; } } | |
| 1701 void IFBGTreeParent.AddChild(FBGTreeNode node) { | |
| 1702 items.Add(node); | |
| 1703 UpdateView(); | |
| 1704 } | |
| 1705 void IFBGTreeParent.RemoveChild(FBGTreeNode node) { | |
| 1706 items.Remove(node); | |
| 1707 ReleaseNodeFromTree(node); | |
| 1708 UpdateView(); | |
| 1709 } | |
| 1710 public FBGTreeNode AddNode(Object item) { return new FBGTreeNode(this, item); } | |
| 1711 internal void ReleaseNodeFromTree(FBGTreeNode node) { | |
| 1712 if (highlighted == node) highlighted = null; | |
| 1713 if (selected == node) SelectedNode = null; | |
| 1714 } | |
| 1715 internal void RaiseNodeCheckedChanged(FBGTreeNode node) { | |
| 1716 RaiseEvent(NodeCheckedChanged); | |
| 1717 } | |
| 1718 internal void UpdateView() { | |
| 1719 List<FBGTreeNode> newView = new List<FBGTreeNode>(); | |
| 1720 Stack<Queue<FBGTreeNode>> stack = new Stack<Queue<FBGTreeNode>>(); | |
| 1721 stack.Push(new Queue<FBGTreeNode>(items)); | |
| 1722 while (stack.Count > 0) { | |
| 1723 Queue<FBGTreeNode> list = stack.Peek(); | |
| 1724 if (list.Count == 0) { | |
| 1725 stack.Pop(); | |
| 1726 continue; | |
| 1727 } | |
| 1728 FBGTreeNode item = list.Dequeue(); | |
| 1729 newView.Add(item); | |
| 1730 if (item.Expanded) stack.Push(new Queue<FBGTreeNode>(item.Children)); | |
| 1731 } | |
| 1732 itemsView = newView; | |
| 1733 Invalidate(); | |
| 1734 } | |
| 1735 internal void Invalidate(FBGTreeNode node) { | |
| 1736 int i = itemsView.IndexOf(node); | |
| 1737 if (i == -1) return; | |
| 1738 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1739 Invalidate(new Rectangle(1, i * lh, Bounds.Width - 1, lh)); | |
| 1740 } | |
| 1741 protected override void Paint(Graphics g) { | |
| 1742 base.Paint(g); | |
| 1743 | |
| 1744 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1745 int th = lh * itemsView.Count; | |
| 1746 hasScrollBar = offset > 0 || th + 2 > Bounds.Height; | |
| 1747 int y = 2; | |
| 1748 using (Pen dottedpen = new Pen(Brushes.Black)) { | |
| 1749 dottedpen.DashStyle = DashStyle.Dot; | |
| 1750 using (StringFormat sf = new StringFormat(StringFormatFlags.NoWrap)) { | |
| 1751 int lw = Bounds.Width - 2; | |
| 1752 if (hasScrollBar) lw -= 17; | |
| 1753 for (int i = offset; i < itemsView.Count; i++) { | |
| 1754 FBGTreeNode item = itemsView[i]; | |
| 1755 if (y + 2 < Bounds.Height) { | |
| 1756 Object obj = item.Item; | |
| 1757 String text = itemFormatter == null ? (obj == null ? String.Empty : obj.ToString()) : itemFormatter(obj); | |
| 1758 if (item == selected) g.FillRectangle(Brushes.DarkGray, 2, y, lw - 2, lh); | |
| 1759 if (item == highlighted) g.DrawRectangle(dottedpen, 2, y, lw - 3, lh - 1); | |
| 1760 int x = 3 + 19 * item.Depth + 14; | |
| 1761 if (item.HasCheckBox) { | |
| 1762 x += 2; | |
| 1763 ControlPaint.DrawCheckBox(g, x, y, lh, lh, item.Checked ? ButtonState.Checked : ButtonState.Normal); | |
| 1764 x += lh + 1; | |
| 1765 } | |
| 1766 g.DrawString(text, SystemFonts.DefaultFont, SystemBrushes.WindowText, new Rectangle(x, y, lw - x, lh), sf); | |
| 1767 } | |
| 1768 int upto = y + 2 + 4 - 8; | |
| 1769 for (int j = i - 1; j >= 0; j--) { | |
| 1770 if (itemsView[j].Depth < item.Depth) { | |
| 1771 break; | |
| 1772 } | |
| 1773 if (itemsView[j].Depth == item.Depth) { | |
| 1774 if (itemsView[j].Children.Count > 0) { | |
| 1775 upto = 2 + lh * (j - offset) + 10; | |
| 1776 } else { | |
| 1777 upto = 2 + lh * (j - offset) + 6; | |
| 1778 } | |
| 1779 break; | |
| 1780 } | |
| 1781 if (j <= offset) { | |
| 1782 upto = 2 + 2 + 4 - 8; | |
| 1783 break; | |
| 1784 } | |
| 1785 } | |
| 1786 if (item.Children.Count > 0) { | |
| 1787 g.DrawRectangle(Pens.Black, 3 + 19 * item.Depth, y + 2, 8, 8); | |
| 1788 g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 2, y + 2 + 4, 3 + 19 * item.Depth + 6, y + 2 + 4); | |
| 1789 if (!item.Expanded) g.DrawLine(Pens.Black, 3 + 19 * item.Depth + 4, y + 4, 3 + 19 * item.Depth + 4, y + 2 + 6); | |
| 1790 | |
| 1791 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 8, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1792 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 6, 3 + 19 * item.Depth + 4, upto); | |
| 1793 } else { | |
| 1794 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4, 3 + 19 * item.Depth + 14, y + 2 + 4); | |
| 1795 g.DrawLine(dottedpen, 3 + 19 * item.Depth + 4, y + 2 + 4 - 2, 3 + 19 * item.Depth + 4, upto); | |
| 1796 } | |
| 1797 y += lh; | |
| 1798 //if (y + lh + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1799 if (y + 2 >= Bounds.Height && item.Depth == 0) break; | |
| 1800 } | |
| 1801 } | |
| 1802 } | |
| 1803 //if (y < th) hasScrollBar = true; | |
| 1804 //hasScrollBar = true; | |
| 1805 if (hasScrollBar) { | |
| 1806 int xoff = Bounds.Width - 17; | |
| 1807 using (Brush b = new LinearGradientBrush(new Rectangle(xoff, 0, 17, 1), Color.LightGray, Color.White, LinearGradientMode.Horizontal)) | |
| 1808 g.FillRectangle(b, xoff, 17, 16, Bounds.Height - 17 - 17); | |
| 1809 ControlPaint.DrawScrollButton(g, xoff, 1, 16, 16, ScrollButton.Up, buttonUpState); | |
| 1810 ControlPaint.DrawScrollButton(g, xoff, Bounds.Height - 17, 16, 16, ScrollButton.Down, buttonDownState); | |
| 1811 g.DrawRectangle(Pens.Black, new Rectangle(xoff, 17 + offset * (Bounds.Height - 17 - 17 - 20) / (itemsView.Count - 1), 15, 20)); | |
| 1812 } | |
| 1813 | |
| 1814 g.DrawRectangle(Pens.DarkBlue, 0, 0, Bounds.Width - 1, Bounds.Height - 1); | |
| 1815 } | |
| 1816 protected override void MouseDown(Point position, MouseButtons buttons) { | |
| 1817 CaptureKeyboard(true); | |
| 1818 if ((buttons & MouseButtons.Left) != 0) { | |
| 1819 CaptureMouse(true); | |
| 1820 if (hasScrollBar && position.X > Bounds.Width - 17) { | |
| 1821 hitScrollBar = true; | |
| 1822 if (position.Y < 17) { | |
| 1823 offset--; | |
| 1824 buttonUpState = ButtonState.Pushed; | |
| 1825 } else if (position.Y > Bounds.Height - 17) { | |
| 1826 offset++; | |
| 1827 buttonDownState = ButtonState.Pushed; | |
| 1828 } else { | |
| 1829 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1830 } | |
| 1831 if (offset < 0) offset = 0; | |
| 1832 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 1833 Invalidate(); | |
| 1834 } else { | |
| 1835 MouseHandler(position, buttons, true); | |
| 1836 } | |
| 1837 } | |
| 1838 } | |
| 1839 protected override void MouseMove(Point position, MouseButtons buttons) { | |
| 1840 if (hitScrollBar) { | |
| 1841 if (position.Y < 17) { | |
| 1842 } else if (position.Y > Bounds.Height - 17) { | |
| 1843 } else { | |
| 1844 offset = (int)Math.Round((position.Y - 17) * (itemsView.Count - 1) / (double)(Bounds.Height - 17 - 17 - 10)); | |
| 1845 if (offset < 0) offset = 0; | |
| 1846 if (offset >= itemsView.Count) offset = itemsView.Count - 1; | |
| 1847 Invalidate(); | |
| 1848 } | |
| 1849 return; | |
| 1850 } | |
| 1851 MouseHandler(position, buttons, false); | |
| 1852 } | |
| 1853 protected override void MouseUp(Point position, MouseButtons buttons) { | |
| 1854 if ((buttons & MouseButtons.Left) != 0) { | |
| 1855 CaptureMouse(false); | |
| 1856 buttonUpState = buttonDownState = ButtonState.Normal; | |
| 1857 Invalidate(); | |
| 1858 if (hitScrollBar) { | |
| 1859 hitScrollBar = false; | |
| 1860 return; | |
| 1861 } | |
| 1862 } | |
| 1863 if (hitScrollBar) return; | |
| 1864 MouseHandler(position, buttons, false); | |
| 1865 } | |
| 1866 private void MouseHandler(Point position, MouseButtons buttons, Boolean down) { | |
| 1867 if ((buttons & MouseButtons.Left) != 0 && itemsView.Count > 0) { | |
| 1868 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1869 int i = (position.Y - 2) / lh + offset; | |
| 1870 if (i < 0) i = 0; | |
| 1871 if (i >= itemsView.Count) i = itemsView.Count - 1; | |
| 1872 Boolean changed = false; | |
| 1873 FBGTreeNode current = itemsView[i]; | |
| 1874 if (!ReferenceEquals(highlighted, current)) changed = true; | |
| 1875 highlighted = current; | |
| 1876 if (current.Children.Count > 0 && (new Rectangle(3 + 19 * current.Depth, 2 + lh * (i - offset) + 2, 8, 8)).Contains(position)) { | |
| 1877 if (down) current.Expanded = !current.Expanded; | |
| 1878 } else if (current.HasCheckBox && (new Rectangle(3 + 19 * current.Depth + 14 + 2, 2 + lh * (i - offset), lh, lh)).Contains(position)) { | |
| 1879 if (down) current.Checked = !current.Checked; | |
| 1880 } else if ((new Rectangle(Point.Empty, Bounds.Size)).Contains(position)) { | |
| 1881 SelectedNode = current; | |
| 1882 changed = false; | |
| 1883 } | |
| 1884 if (changed) Invalidate(); | |
| 1885 } | |
| 1886 } | |
| 1887 protected override void KeyDown(Keys key) { | |
| 1888 base.KeyDown(key); | |
| 1889 if (key == Keys.Up) { | |
| 1890 int i = itemsView.IndexOf(selected); | |
| 1891 i--; | |
| 1892 if (i >= 0) SelectAndScrollIntoView(itemsView[i]); | |
| 1893 } else if (key == Keys.Down) { | |
| 1894 int i = itemsView.IndexOf(selected); | |
| 1895 i++; | |
| 1896 if (i < itemsView.Count) SelectAndScrollIntoView(itemsView[i]); | |
| 1897 } else if (key == Keys.Left && selected != null) { | |
| 1898 if (selected.Expanded && selected.Children.Count > 0) { | |
| 1899 selected.Expanded = false; | |
| 1900 } else { | |
| 1901 FBGTreeNode tn = selected.Parent as FBGTreeNode; | |
| 1902 if (tn != null) SelectAndScrollIntoView(tn); | |
| 1903 } | |
| 1904 } else if (key == Keys.Right && selected != null) { | |
| 1905 if (!selected.Expanded && selected.Children.Count > 0) { | |
| 1906 selected.Expanded = true; | |
| 1907 } else if (selected.Children.Count > 0) { | |
| 1908 SelectAndScrollIntoView(selected.Children[0]); | |
| 1909 } | |
| 1910 } else if (key == Keys.Space && selected != null) { | |
| 1911 if (selected.HasCheckBox) selected.Checked = !selected.Checked; | |
| 1912 } | |
| 1913 } | |
| 1914 private void SelectAndScrollIntoView(FBGTreeNode tn) { | |
| 1915 int i = itemsView.IndexOf(tn); | |
| 1916 if (i == -1) { | |
| 1917 for (FBGTreeNode tp = tn.Parent as FBGTreeNode; tp != null; tp = tp.Parent as FBGTreeNode) if (!tp.Expanded) tp.Expanded = true; | |
| 1918 i = itemsView.IndexOf(tn); | |
| 1919 } | |
| 1920 if (i != -1) { | |
| 1921 int lh = (int)Math.Ceiling(SystemFonts.DefaultFont.GetHeight() / 2.0) * 2; | |
| 1922 if (i < offset) offset = i; | |
| 1923 offset = Math.Max(offset, i - Bounds.Height / lh + 1); | |
| 1924 } | |
| 1925 highlighted = tn; | |
| 1926 SelectedNode = tn; | |
| 1927 } | |
| 1928 } | |
| 1929 } |