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