Mercurial > hg > ucis.core
changeset 32:ff1bc8445743
FBGUI: Changed event handling and propagation to be more extensible
author | Ivo Smits <Ivo@UCIS.nl> |
---|---|
date | Fri, 19 Apr 2013 16:54:51 +0200 |
parents | af27992b5972 |
children | e9b704f193df |
files | FBGUI/FBGUI.cs |
diffstat | 1 files changed, 255 insertions(+), 137 deletions(-) [+] |
line wrap: on
line diff
--- a/FBGUI/FBGUI.cs Thu Apr 18 22:45:54 2013 +0200 +++ b/FBGUI/FBGUI.cs Fri Apr 19 16:54:51 2013 +0200 @@ -12,32 +12,95 @@ using ThreadingTimer = System.Threading.Timer; namespace UCIS.FBGUI { + public abstract class FBGEvent { + } + public enum FBGPointingEventType { + Move, + ButtonDown, + ButtonUp + } + public class FBGPointingEvent : FBGEvent { + private Point position; + public Point Position { get { return position; } set { position = value; } } + public int X { get { return position.X; } set { position.X = value; } } + public int Y { get { return position.Y; } set { position.Y = value; } } + public MouseButtons Buttons { get; private set; } + public FBGPointingEventType Type { get; private set; } + public FBGCursor Cursor { get; set; } + public FBGPointingEvent(Point position, MouseButtons buttons, FBGPointingEventType type) { + this.Position = position; + this.Buttons = buttons; + this.Type = type; + } + } + public class FBGKeyboardEvent : FBGEvent { + public Keys KeyData { get; private set; } + public Keys KeyCode { get { return KeyData & Keys.KeyCode; } } + public Keys Modifiers { get { return KeyData & Keys.Modifiers; } } + public Boolean Shift { get { return (KeyData & Keys.Shift) != 0; } } + public Boolean Control { get { return (KeyData & Keys.Control) != 0; } } + public Boolean Alt { get { return (KeyData & Keys.Alt) != 0; } } + public Boolean IsDown { get; private set; } + public Char KeyChar { get; private set; } + public FBGKeyboardEvent(Keys keyData, Char keyChar, Boolean isDown) { + this.KeyData = keyData; + this.KeyChar = keyChar; + this.IsDown = isDown; + } + } + public class FBGPaintEvent : FBGEvent { + public Graphics Canvas { get; private set; } + public FBGPaintEvent(Graphics canvas) { + this.Canvas = canvas; + } + } + public class FBGKeyboardCaptureEvent : FBGEvent { + public Boolean Capture { get; set; } + public FBGKeyboardCaptureEvent(Boolean capture) { + this.Capture = capture; + } + } + public abstract class FBGMessage { + public IFBGControl Source { get; private set; } + protected FBGMessage(IFBGControl source) { + this.Source = source; + } + } + public class FBGInvalidateMessage : FBGMessage { + public Rectangle Area { get; set; } + public FBGInvalidateMessage(IFBGControl source, Rectangle area) : base(source) { + this.Area = area; + } + } + public class FBGPointingCaptureMessage : FBGMessage { + public Boolean Capture { get; set; } + public FBGPointingCaptureMessage(IFBGControl source, Boolean capture) : base(source) { + this.Capture = capture; + } + } + public class FBGKeyboardCaptureMessage : FBGMessage { + public Boolean Capture { get; set; } + public FBGKeyboardCaptureMessage(IFBGControl source, Boolean capture) : base(source) { + this.Capture = capture; + } + } + public interface IFBGControl { Rectangle Bounds { get; set; } Boolean Visible { get; set; } - FBGCursor Cursor { get; } - void Paint(Graphics g); - void MouseMove(Point position, MouseButtons buttons); - void MouseDown(Point position, MouseButtons buttons); - void MouseUp(Point position, MouseButtons buttons); - void KeyDown(Keys key); - void KeyPress(Char keyChar); - void KeyUp(Keys key); - void LostKeyboardCapture(); + void HandleEvent(FBGEvent e); void Orphaned(); } public interface IFBGContainerControl { - void Invalidate(IFBGControl control, Rectangle rect); void AddControl(IFBGControl control); void RemoveControl(IFBGControl control); - Boolean CaptureMouse(IFBGControl control, Boolean capture); - Boolean CaptureKeyboard(IFBGControl control, Boolean capture); + void HandleMessage(IFBGControl sender, FBGMessage e); } + public class FBGControl : IFBGControl { private Rectangle bounds = new Rectangle(0, 0, 100, 100); private Color backColor = Color.Transparent; private Boolean visible = true; - protected FBGCursor CurrentCursor = null; public virtual IFBGContainerControl Parent { get; private set; } public event MouseEventHandler OnMouseDown; public event MouseEventHandler OnMouseMove; @@ -55,7 +118,7 @@ if (bounds == value) return; Rectangle old = bounds; bounds = value; - 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))); + Invalidate(Rectangle.Union(new Rectangle(Point.Empty, value.Size), new Rectangle(old.X - value.X, old.Y - value.Y, old.Width, old.Height))); if (value.Location != old.Location) RaiseEvent(OnMove); if (value.Size != old.Size) RaiseEvent(OnResize); } @@ -67,8 +130,7 @@ Invalidate(); } } - FBGCursor IFBGControl.Cursor { get { return CurrentCursor; } } - public virtual FBGCursor Cursor { get { return CurrentCursor; } set { CurrentCursor = value; } } + public virtual FBGCursor Cursor { get; set; } public Size Size { get { return Bounds.Size; } set { Rectangle r = Bounds; r.Size = value; Bounds = r; } } public Point Location { get { return Bounds.Location; } set { Rectangle r = Bounds; r.Location = value; Bounds = r; } } public int Left { get { return Bounds.Left; } set { Rectangle r = Bounds; r.X = value; Bounds = r; } } @@ -80,16 +142,39 @@ Invalidate(new Rectangle(Point.Empty, Bounds.Size)); } public virtual void Invalidate(Rectangle rect) { - Parent.Invalidate(this, rect); + Parent.HandleMessage(this, new FBGInvalidateMessage(this, rect)); + } + void IFBGControl.HandleEvent(FBGEvent e) { + HandleEvent(e); + } + protected virtual void HandleEvent(FBGEvent e) { + if (e is FBGPaintEvent) HandlePaintEvent((FBGPaintEvent)e); + else if (e is FBGPointingEvent) HandlePointingEvent((FBGPointingEvent)e); + else if (e is FBGKeyboardEvent) HandleKeyboardEvent((FBGKeyboardEvent)e); + else if (e is FBGKeyboardCaptureEvent) HandleKeyboardCaptureEvent((FBGKeyboardCaptureEvent)e); + } + protected virtual void HandlePaintEvent(FBGPaintEvent e) { + Paint(e.Canvas); } - void IFBGControl.Paint(Graphics g) { Paint(g); } - void IFBGControl.MouseMove(Point position, MouseButtons buttons) { MouseMove(position, buttons); } - void IFBGControl.MouseDown(Point position, MouseButtons buttons) { MouseDown(position, buttons); } - void IFBGControl.MouseUp(Point position, MouseButtons buttons) { MouseUp(position, buttons); } - void IFBGControl.KeyDown(Keys g) { KeyDown(g); } - void IFBGControl.KeyPress(Char g) { KeyPress(g); } - void IFBGControl.KeyUp(Keys g) { KeyUp(g); } - void IFBGControl.LostKeyboardCapture() { LostKeyboardCapture(); } + protected virtual void HandlePointingEvent(FBGPointingEvent e) { + if (Cursor != null) e.Cursor = Cursor; + switch (e.Type) { + case FBGPointingEventType.Move: MouseMove(e.Position, e.Buttons); break; + case FBGPointingEventType.ButtonDown: MouseDown(e.Position, e.Buttons); break; + case FBGPointingEventType.ButtonUp: MouseUp(e.Position, e.Buttons); break; + } + } + protected virtual void HandleKeyboardEvent(FBGKeyboardEvent e) { + if (e.IsDown) { + if (e.KeyData != Keys.None) KeyDown(e.KeyData); + if (e.KeyChar != Char.MinValue) KeyPress(e.KeyChar); + } else { + if (e.KeyData != Keys.None) KeyUp(e.KeyData); + } + } + protected virtual void HandleKeyboardCaptureEvent(FBGKeyboardCaptureEvent e) { + if (!e.Capture) LostKeyboardCapture(); + } void IFBGControl.Orphaned() { Orphaned(); } protected virtual void Paint(Graphics g) { if (!visible) return; @@ -101,13 +186,17 @@ protected virtual void MouseDown(Point position, MouseButtons buttons) { RaiseEvent(OnMouseDown, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } protected virtual void MouseUp(Point position, MouseButtons buttons) { RaiseEvent(OnMouseUp, new MouseEventArgs(buttons, 1, position.X, position.Y, 0)); } protected virtual Boolean CaptureMouse(Boolean capture) { - return Parent.CaptureMouse(this, capture); + FBGPointingCaptureMessage m = new FBGPointingCaptureMessage(this, capture); + Parent.HandleMessage(this, m); + return capture == m.Capture; } protected virtual void KeyDown(Keys key) { } protected virtual void KeyPress(Char keyChar) { } protected virtual void KeyUp(Keys key) { } protected virtual Boolean CaptureKeyboard(Boolean capture) { - return Parent.CaptureKeyboard(this, capture); + FBGKeyboardCaptureMessage m = new FBGKeyboardCaptureMessage(this, capture); + Parent.HandleMessage(this, m); + return capture == m.Capture; } protected virtual void LostKeyboardCapture() { } protected virtual void Orphaned() { @@ -127,10 +216,8 @@ protected IFBGControl mouseCaptureControl = null; protected IFBGControl keyboardCaptureControl = null; private Rectangle childarea = Rectangle.Empty; - protected FBGCursor DefaultCursor = null; public Rectangle ClientRectangle { get { return childarea; } protected set { childarea = value; Invalidate(); } } public Size ClientSize { get { return childarea.Size; } set { Bounds = new Rectangle(Bounds.Location, Bounds.Size - childarea.Size + value); } } - public override FBGCursor Cursor { get { return DefaultCursor; } set { DefaultCursor = value; } } public FBGContainerControl(IFBGContainerControl parent) : base(parent) { } void IFBGContainerControl.AddControl(IFBGControl control) { AddControl(control); } protected virtual void AddControl(IFBGControl control) { @@ -140,8 +227,8 @@ public virtual void RemoveControl(IFBGControl control) { if (controls.Remove(control)) { if (control.Visible) Invalidate(control); - CaptureMouse(control, false); - CaptureKeyboard(control, false); + HandleMessage(control, new FBGPointingCaptureMessage(control, false)); + HandleMessage(control, new FBGKeyboardCaptureMessage(control, false)); control.Orphaned(); } } @@ -164,10 +251,11 @@ public virtual void Invalidate(IFBGControl control, Rectangle rect) { Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); } - protected override void Paint(Graphics g) { - base.Paint(g); + protected override void HandlePaintEvent(FBGPaintEvent e) { + base.HandlePaintEvent(e); if (controls == null) return; GraphicsState state2 = null; + Graphics g = e.Canvas; if (!childarea.IsEmpty) { state2 = g.Save(); g.TranslateTransform(childarea.X, childarea.Y, MatrixOrder.Append); @@ -180,7 +268,7 @@ GraphicsState state = g.Save(); g.TranslateTransform(control.Bounds.X, control.Bounds.Y, MatrixOrder.Append); g.IntersectClip(new Rectangle(Point.Empty, control.Bounds.Size)); - control.Paint(g); + control.HandleEvent(e); g.Restore(state); } if (state2 != null) g.Restore(state2); @@ -190,65 +278,52 @@ p.Offset(-childarea.X, -childarea.Y); return ((List<IFBGControl>)controls).FindLast(delegate(IFBGControl control) { return control.Visible && control.Bounds.Contains(p); }); } - protected override void MouseMove(Point position, MouseButtons buttons) { - IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); - if (control == null) { - base.MouseMove(position, buttons); - } else { - control.MouseMove(PointToChild(control, position), buttons); - } - CurrentCursor = control == null || control.Cursor == null ? DefaultCursor : control.Cursor; - } - protected override void MouseDown(Point position, MouseButtons buttons) { - IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); + protected override void HandlePointingEvent(FBGPointingEvent e) { + IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(e.Position); if (control == null) { - base.MouseDown(position, buttons); + base.HandlePointingEvent(e); } else { - control.MouseDown(PointToChild(control, position), buttons); + if (Cursor != null) e.Cursor = Cursor; + e.Position = PointToChild(control, e.Position); + control.HandleEvent(e); } - CurrentCursor = control == null || control.Cursor == null ? DefaultCursor : control.Cursor; } - protected override void MouseUp(Point position, MouseButtons buttons) { - IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : FindControlAtPosition(position); - if (control == null) { - base.MouseUp(position, buttons); - } else { - control.MouseUp(PointToChild(control, position), buttons); - } - CurrentCursor = control == null || control.Cursor == null ? DefaultCursor : control.Cursor; + void IFBGContainerControl.HandleMessage(IFBGControl sender, FBGMessage e) { + HandleMessage(sender, e); + } + protected virtual void HandleMessage(IFBGControl sender, FBGMessage e) { + if (e is FBGPointingCaptureMessage) HandlePointingCaptureMessage(sender, (FBGPointingCaptureMessage)e); + else if (e is FBGKeyboardCaptureMessage) HandleKeyboardCaptureMessage(sender, (FBGKeyboardCaptureMessage)e); + else if (e is FBGInvalidateMessage) HandleInvalidateMessage(sender, (FBGInvalidateMessage)e); + } + protected virtual void HandleInvalidateMessage(IFBGControl sender, FBGInvalidateMessage e) { + e.Area = new Rectangle(PointFromChild(sender, e.Area.Location), e.Area.Size); + Parent.HandleMessage(this, e); } - Boolean IFBGContainerControl.CaptureMouse(IFBGControl control, Boolean capture) { return CaptureMouse(control, capture); } - protected Boolean CaptureMouse(IFBGControl control, Boolean capture) { - if (capture && !ReferenceEquals(mouseCaptureControl, null)) return false; - if (!capture && !ReferenceEquals(mouseCaptureControl, control)) return false; - if (!CaptureMouse(capture)) return false; - mouseCaptureControl = capture ? control : null; - return true; + protected virtual void HandlePointingCaptureMessage(IFBGControl sender, FBGPointingCaptureMessage e) { + if (e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; + else if (!e.Capture && !ReferenceEquals(mouseCaptureControl, sender)) e.Capture = false; + else { + Parent.HandleMessage(this, e); + mouseCaptureControl = e.Capture ? sender : null; + } } - protected override void KeyDown(Keys key) { - if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyDown(key); - else keyboardCaptureControl.KeyDown(key); - } - protected override void KeyPress(Char keyChar) { - if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyPress(keyChar); - else keyboardCaptureControl.KeyPress(keyChar); + protected override void HandleKeyboardEvent(FBGKeyboardEvent e) { + if (ReferenceEquals(keyboardCaptureControl, null)) base.HandleKeyboardEvent(e); + else keyboardCaptureControl.HandleEvent(e); } - protected override void KeyUp(Keys key) { - if (ReferenceEquals(keyboardCaptureControl, null)) base.KeyUp(key); - else keyboardCaptureControl.KeyUp(key); + protected virtual void HandleKeyboardCaptureMessage(IFBGControl sender, FBGKeyboardCaptureMessage e) { + if (!e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; + else { + Parent.HandleMessage(this, e); + IFBGControl prev = keyboardCaptureControl; + keyboardCaptureControl = e.Capture ? sender : null; + if (prev != null && prev != sender) prev.HandleEvent(new FBGKeyboardCaptureEvent(false)); + } } - Boolean IFBGContainerControl.CaptureKeyboard(IFBGControl control, Boolean capture) { return CaptureKeyboard(control, capture); } - protected Boolean CaptureKeyboard(IFBGControl control, Boolean capture) { - if (!capture && !ReferenceEquals(keyboardCaptureControl, control)) return false; - if (!CaptureKeyboard(capture)) return false; - IFBGControl prev = keyboardCaptureControl; - keyboardCaptureControl = capture ? control : null; - if (prev != null) LostKeyboardCapture(); - return true; - } - protected override void LostKeyboardCapture() { - base.LostKeyboardCapture(); - if (keyboardCaptureControl != null) keyboardCaptureControl.LostKeyboardCapture(); + protected override void HandleKeyboardCaptureEvent(FBGKeyboardCaptureEvent e) { + if (keyboardCaptureControl != null) keyboardCaptureControl.HandleEvent(new FBGKeyboardCaptureEvent(false)); + base.HandleKeyboardCaptureEvent(e); } protected override void Orphaned() { base.Orphaned(); @@ -422,9 +497,6 @@ return point + (Size)child.Bounds.Location; } - void IFBGContainerControl.Invalidate(IFBGControl control, Rectangle rect) { - Invalidate(new Rectangle(PointFromChild(control, rect.Location), rect.Size)); - } void IFBGContainerControl.AddControl(IFBGControl control) { if (!ReferenceEquals(childControl, null)) throw new InvalidOperationException("This container can have only one child control"); childControl = control; @@ -439,16 +511,20 @@ if (keyboardCaptureControl == control) control = null; control.Orphaned(); } - Boolean IFBGContainerControl.CaptureMouse(IFBGControl control, Boolean capture) { - if (capture && !ReferenceEquals(mouseCaptureControl, null)) return false; - if (!capture && !ReferenceEquals(mouseCaptureControl, control)) return false; - mouseCaptureControl = capture ? control : null; - return true; - } - Boolean IFBGContainerControl.CaptureKeyboard(IFBGControl control, Boolean capture) { - if (!capture && !ReferenceEquals(keyboardCaptureControl, control)) return false; - keyboardCaptureControl = capture ? control : null; - return true; + void IFBGContainerControl.HandleMessage(IFBGControl sender, FBGMessage e) { + if (e is FBGInvalidateMessage) { + FBGInvalidateMessage p = (FBGInvalidateMessage)e; + Invalidate(new Rectangle(PointFromChild(sender, p.Area.Location), p.Area.Size)); + } else if (e is FBGPointingCaptureMessage) { + FBGPointingCaptureMessage p = (FBGPointingCaptureMessage)e; + if (p.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) p.Capture = false; + else if (!p.Capture && !ReferenceEquals(mouseCaptureControl, sender)) p.Capture = false; + else mouseCaptureControl = p.Capture ? sender : null; + } else if (e is FBGKeyboardCaptureMessage) { + FBGKeyboardCaptureMessage p = (FBGKeyboardCaptureMessage)e; + if (!p.Capture && !ReferenceEquals(keyboardCaptureControl, sender)) p.Capture = false; + else keyboardCaptureControl = p.Capture ? sender : null; + } } protected override void OnPaint(PaintEventArgs e) { @@ -461,26 +537,27 @@ if (!g.ClipBounds.IntersectsWith((RectangleF)childControl.Bounds)) return; g.TranslateTransform(childControl.Bounds.X, childControl.Bounds.Y, MatrixOrder.Append); g.IntersectClip(new Rectangle(Point.Empty, childControl.Bounds.Size)); - childControl.Paint(g); + childControl.HandleEvent(new FBGPaintEvent(g)); g.Restore(state); } protected override void OnResize(EventArgs e) { if (!ReferenceEquals(childControl, null)) childControl.Bounds = new Rectangle(Point.Empty, ClientSize); base.OnResize(e); } + void DispatchMouseEvent(MouseEventArgs e, FBGPointingEventType type) { + IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; + if (control != null) control.HandleEvent(new FBGPointingEvent(e.Location, e.Button, type)); + } protected override void OnMouseDown(MouseEventArgs e) { base.OnMouseDown(e); - IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; - if (control != null) control.MouseDown(PointToChild(control, e.Location), e.Button); + DispatchMouseEvent(e, FBGPointingEventType.ButtonDown); } protected override void OnMouseUp(MouseEventArgs e) { base.OnMouseUp(e); - IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; - if (control != null) control.MouseUp(PointToChild(control, e.Location), e.Button); + DispatchMouseEvent(e, FBGPointingEventType.ButtonUp); } protected override void OnMouseMove(MouseEventArgs e) { - IFBGControl control = mouseCaptureControl != null ? mouseCaptureControl : childControl; - if (control != null) control.MouseMove(PointToChild(control, e.Location), e.Button); + DispatchMouseEvent(e, FBGPointingEventType.Move); } protected override bool IsInputChar(char charCode) { return true; @@ -490,15 +567,15 @@ } protected override void OnKeyDown(KeyEventArgs e) { //base.OnKeyDown(e); - if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyDown(e.KeyData); + if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(e.KeyData, Char.MinValue, true)); } protected override void OnKeyPress(KeyPressEventArgs e) { //base.OnKeyPress(e); - if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyPress(e.KeyChar); + if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(Keys.None, e.KeyChar, true)); } protected override void OnKeyUp(KeyEventArgs e) { //base.OnKeyUp(e); - if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.KeyUp(e.KeyData); + if (!ReferenceEquals(keyboardCaptureControl, null)) keyboardCaptureControl.HandleEvent(new FBGKeyboardEvent(e.KeyData, Char.MinValue, false)); } protected override void OnHandleDestroyed(EventArgs e) { if (!ReferenceEquals(childControl, null)) childControl.Orphaned(); @@ -631,6 +708,10 @@ protected FBGRenderer() : base(null) { BackColor = SystemColors.Control; } + protected override void HandleInvalidateMessage(IFBGControl sender, FBGInvalidateMessage e) { + e.Area = new Rectangle(PointFromChild(sender, e.Area.Location), e.Area.Size); + Invalidate(e.Area); + } public override void Invalidate(Rectangle rect) { if (rect.Width == 0 || rect.Height == 0) return; lock (RenderLock) { @@ -671,14 +752,28 @@ RaiseEvent(Painted, new InvalidateEventArgs(rect)); } } - protected override void Paint(Graphics g) { - base.Paint(g); + public virtual new void Paint(Graphics g) { + HandleEvent(new FBGPaintEvent(g)); if (cursor != null) { Point r = CursorPosition; r.Offset(-cursor.Hotspot.X, -cursor.Hotspot.Y); g.DrawImage(cursor.Image, new Rectangle(r, cursor.Size)); } } + protected override void HandlePointingCaptureMessage(IFBGControl sender, FBGPointingCaptureMessage e) { + if (e.Capture && !(ReferenceEquals(mouseCaptureControl, null) || ReferenceEquals(mouseCaptureControl, sender))) e.Capture = false; + else if (!e.Capture && !ReferenceEquals(mouseCaptureControl, sender)) e.Capture = false; + else mouseCaptureControl = e.Capture ? sender : null; + } + protected override void HandleKeyboardCaptureMessage(IFBGControl sender, FBGKeyboardCaptureMessage e) { + if (!e.Capture && !ReferenceEquals(keyboardCaptureControl, sender)) e.Capture = false; + else { + IFBGControl prev = keyboardCaptureControl; + keyboardCaptureControl = e.Capture ? sender : null; + if (prev != null && prev != sender) prev.HandleEvent(new FBGKeyboardCaptureEvent(false)); + } + } + protected override Boolean CaptureMouse(Boolean capture) { return true; } @@ -700,12 +795,19 @@ public void UnlockBitmapBuffer() { Monitor.Exit(RenderLock); } - public new void MouseMove(Point position, MouseButtons buttons) { base.MouseMove(position, buttons); UpdateCursor(cursorposition, CurrentCursor); } - public new void MouseDown(Point position, MouseButtons buttons) { base.MouseDown(position, buttons); UpdateCursor(cursorposition, CurrentCursor); } - public new void MouseUp(Point position, MouseButtons buttons) { base.MouseUp(position, buttons); UpdateCursor(cursorposition, CurrentCursor); } - public new void KeyDown(Keys key) { base.KeyDown(key); } - public new void KeyPress(Char key) { base.KeyPress(key); } - public new void KeyUp(Keys key) { base.KeyUp(key); } + void DispatchPointingEvent(Point position, MouseButtons buttons, FBGPointingEventType type) { + FBGPointingEvent e = new FBGPointingEvent(position, buttons, type); + HandleEvent(e); + UpdateCursor(cursorposition, e.Cursor); + } + public new void MouseMove(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.Move); } + public new void MouseDown(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.ButtonDown); } + public new void MouseUp(Point position, MouseButtons buttons) { DispatchPointingEvent(position, buttons, FBGPointingEventType.ButtonUp); } + public new void KeyDown(Keys key) { KeyDown(key, Char.MinValue); } + public new void KeyPress(Char key) { KeyDown(Keys.None, key); } + public new void KeyUp(Keys key) { KeyUp(key, Char.MinValue); } + public void KeyDown(Keys key, Char keyChar) { HandleEvent(new FBGKeyboardEvent(key, keyChar, true)); } + public void KeyUp(Keys key, Char keyChar) { HandleEvent(new FBGKeyboardEvent(key, keyChar, false)); } } public class FBGForm : FBGDockContainer { private Point prevPosition = Point.Empty; @@ -756,35 +858,49 @@ if (mr == 0 && Movable && p.Y < 20) mr = NonClientOps.Move; return mr; } - private void SetCursorForNonClientOperation(NonClientOps op) { + private void SetCursorForNonClientOperation(NonClientOps op, FBGPointingEvent e) { switch (op & NonClientOps.MoveResize) { - case NonClientOps.Move: CurrentCursor = FBGCursor.Move; break; - case NonClientOps.ResizeLeft: CurrentCursor = FBGCursor.SizeLeft; break; - case NonClientOps.ResizeRight: CurrentCursor = FBGCursor.SizeRight; break; - case NonClientOps.ResizeBottom: CurrentCursor = FBGCursor.SizeBottom; break; - case NonClientOps.ResizeTop: CurrentCursor = FBGCursor.SizeTop; break; - case NonClientOps.ResizeTop | NonClientOps.ResizeLeft: CurrentCursor = FBGCursor.SizeTopLeft; break; - case NonClientOps.ResizeTop | NonClientOps.ResizeRight: CurrentCursor = FBGCursor.SizeTopRight; break; - case NonClientOps.ResizeBottom | NonClientOps.ResizeLeft: CurrentCursor = FBGCursor.SizeBottomLeft; break; - case NonClientOps.ResizeBottom | NonClientOps.ResizeRight: CurrentCursor = FBGCursor.SizeBottomRight; break; - default: CurrentCursor = DefaultCursor; break; + case NonClientOps.Move: e.Cursor = FBGCursor.Move; break; + case NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeLeft; break; + case NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeRight; break; + case NonClientOps.ResizeBottom: e.Cursor = FBGCursor.SizeBottom; break; + case NonClientOps.ResizeTop: e.Cursor = FBGCursor.SizeTop; break; + case NonClientOps.ResizeTop | NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeTopLeft; break; + case NonClientOps.ResizeTop | NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeTopRight; break; + case NonClientOps.ResizeBottom | NonClientOps.ResizeLeft: e.Cursor = FBGCursor.SizeBottomLeft; break; + case NonClientOps.ResizeBottom | NonClientOps.ResizeRight: e.Cursor = FBGCursor.SizeBottomRight; break; } } - protected override void MouseDown(Point p, MouseButtons buttons) { + protected override void HandlePointingEvent(FBGPointingEvent e) { + e.Cursor = Cursor; + if (HandlePointingEventA(e)) base.HandlePointingEvent(e); + } + Boolean HandlePointingEventA(FBGPointingEvent e) { + e.Cursor = Cursor; + switch (e.Type) { + case FBGPointingEventType.Move: return MouseMove(e.Position, e.Buttons, e); + case FBGPointingEventType.ButtonDown: return MouseDown(e.Position, e.Buttons, e); + case FBGPointingEventType.ButtonUp: return MouseUp(e.Position, e.Buttons, e); + default: return true; + } + } + Boolean MouseDown(Point p, MouseButtons buttons, FBGPointingEvent e) { NonClientOps mr = 0; if ((buttons & MouseButtons.Left) != 0) mr = GetNonClientOperation(p); if (mr != 0) { moveresize = mr; prevPosition = p; + SetCursorForNonClientOperation(moveresize, e); CaptureMouse(true); + return false; } else { - base.MouseDown(p, buttons); + return true; } } - protected override void MouseMove(Point position, MouseButtons buttons) { - if (moveresize == 0) { - base.MouseMove(position, buttons); - } else if ((moveresize & NonClientOps.MoveResize) != 0) { + Boolean MouseMove(Point position, MouseButtons buttons, FBGPointingEvent e) { + SetCursorForNonClientOperation(moveresize == 0 ? GetNonClientOperation(position) : moveresize, e); + if (moveresize == 0) return true; + if ((moveresize & NonClientOps.MoveResize) != 0) { Rectangle b = Bounds; int dx = position.X - prevPosition.X; int dy = position.Y - prevPosition.Y; @@ -809,18 +925,20 @@ if (b.Height < 25) b.Height = 25; Bounds = b; } - SetCursorForNonClientOperation(moveresize == 0 ? GetNonClientOperation(position) : moveresize); + return false; } - protected override void MouseUp(Point position, MouseButtons buttons) { + Boolean MouseUp(Point position, MouseButtons buttons, FBGPointingEvent e) { if (moveresize == 0) { - base.MouseUp(position, buttons); + SetCursorForNonClientOperation(GetNonClientOperation(position), e); + return true; } else if ((buttons & MouseButtons.Left) != 0) { MouseMove(position, buttons); CaptureMouse(false); if (moveresize == NonClientOps.ButtonClose && (new Rectangle(Bounds.Width - 5 - 14, 4, 14, 14)).Contains(position) && Closable) Close(); moveresize = 0; + SetCursorForNonClientOperation(GetNonClientOperation(position), e); } - SetCursorForNonClientOperation(moveresize == 0 ? GetNonClientOperation(position) : moveresize); + return false; } protected override void Paint(Graphics g) { base.Paint(g);