/// <summary>Handle keyboard input</summary>
public override bool HandleKeyboard(Bonsai.Core.NativeMethods.WindowMessage msg, IntPtr wParam, IntPtr lParam)
{
if (!IsEnabled || !IsVisible)
{
return(false);
}
if (msg == NativeMethods.WindowMessage.KeyDown)
{
switch ((System.Windows.Forms.Keys)wParam.ToInt32())
{
case System.Windows.Forms.Keys.Home:
SetValueInternal(minValue, true);
return(true);
case System.Windows.Forms.Keys.End:
SetValueInternal(maxValue, true);
return(true);
case System.Windows.Forms.Keys.Prior:
case System.Windows.Forms.Keys.Left:
case System.Windows.Forms.Keys.Up:
SetValueInternal(currentValue - 1, true);
return(true);
case System.Windows.Forms.Keys.Next:
case System.Windows.Forms.Keys.Right:
case System.Windows.Forms.Keys.Down:
SetValueInternal(currentValue + 1, true);
return(true);
}
}
return(false);
}
/// <summary>Handle mouse input input</summary>
public override bool HandleMouse(Bonsai.Core.NativeMethods.WindowMessage msg, System.Drawing.Point pt, IntPtr wParam, IntPtr lParam)
{
if (!IsEnabled || !IsVisible)
{
return(false);
}
switch (msg)
{
case NativeMethods.WindowMessage.LeftButtonDoubleClick:
case NativeMethods.WindowMessage.LeftButtonDown:
{
if (buttonRect.Contains(pt))
{
// Pressed while inside the control
isPressed = true;
Parent.SampleFramework.Window.Capture = true;
return(true);
}
break;
}
case NativeMethods.WindowMessage.LeftButtonUp:
{
if (isPressed)
{
isPressed = false;
Parent.SampleFramework.Window.Capture = false;
Dialog.ClearFocus();
RaiseClickEvent(this, true);
return(true);
}
break;
}
}
return(false);
}
/// <summary>Handle keyboard input to the edit box</summary>
public override bool HandleKeyboard(Bonsai.Core.NativeMethods.WindowMessage msg, IntPtr wParam, IntPtr lParam)
{
if (!IsEnabled || !IsVisible)
{
return(false);
}
// Default to not handling the message
bool isHandled = false;
if (msg == NativeMethods.WindowMessage.KeyDown)
{
switch ((System.Windows.Forms.Keys)wParam.ToInt32())
{
case System.Windows.Forms.Keys.End:
case System.Windows.Forms.Keys.Home:
// Move the caret
if (wParam.ToInt32() == (int)System.Windows.Forms.Keys.End)
{
PlaceCaret(textData.Text.Length);
}
else
{
PlaceCaret(0);
}
if (!NativeMethods.IsKeyDown(System.Windows.Forms.Keys.ShiftKey))
{
// Shift is not down. Update selection start along with caret
textData.SelectionStart = caretPosition;
FocusText();
}
ResetCaretBlink();
isHandled = true;
break;
case System.Windows.Forms.Keys.Insert:
if (NativeMethods.IsKeyDown(System.Windows.Forms.Keys.ControlKey))
{
// Control insert -> Copy to clipboard
CopyToClipboard();
}
else if (NativeMethods.IsKeyDown(System.Windows.Forms.Keys.ShiftKey))
{
// Shift insert -> Paste from clipboard
PasteFromClipboard();
}
else
{
// Toggle insert mode
isInsertMode = !isInsertMode;
}
break;
case System.Windows.Forms.Keys.Delete:
// Check to see if there is a text selection
if (caretPosition != textData.SelectionStart)
{
DeleteSelectionText();
RaiseChangedEvent(this, true);
}
else
{
if (caretPosition < textData.Text.Length)
{
// Deleting one character
textData.Text = textData.Text.Remove(caretPosition, 1);
RaiseChangedEvent(this, true);
}
}
ResetCaretBlink();
isHandled = true;
break;
case System.Windows.Forms.Keys.Left:
if (NativeMethods.IsKeyDown(System.Windows.Forms.Keys.ControlKey))
{
// Control is down. Move the caret to a new item
// instead of a character.
}
else if (caretPosition > 0)
{
PlaceCaret(caretPosition - 1); // Move one to the left
}
if (!NativeMethods.IsKeyDown(System.Windows.Forms.Keys.ShiftKey))
{
// Shift is not down. Update selection
// start along with the caret.
textData.SelectionStart = caretPosition;
FocusText();
}
ResetCaretBlink();
isHandled = true;
break;
case System.Windows.Forms.Keys.Right:
if (NativeMethods.IsKeyDown(System.Windows.Forms.Keys.ControlKey))
{
// Control is down. Move the caret to a new item
// instead of a character.
}
else if (caretPosition < textData.Text.Length)
{
PlaceCaret(caretPosition + 1); // Move one to the right
}
if (!NativeMethods.IsKeyDown(System.Windows.Forms.Keys.ShiftKey))
{
// Shift is not down. Update selection
// start along with the caret.
textData.SelectionStart = caretPosition;
FocusText();
}
ResetCaretBlink();
isHandled = true;
break;
case System.Windows.Forms.Keys.Up:
case System.Windows.Forms.Keys.Down:
// Trap up and down arrows so that the dialog
// does not switch focus to another control.
isHandled = true;
break;
default:
// Let the application handle escape
isHandled = ((System.Windows.Forms.Keys)wParam.ToInt32()) == System.Windows.Forms.Keys.Escape;
break;
}
}
return(isHandled);
}
/// <summary>Handle mouse input input</summary>
public override bool HandleMouse(Bonsai.Core.NativeMethods.WindowMessage msg, System.Drawing.Point pt, IntPtr wParam, IntPtr lParam)
{
if (!IsEnabled || !IsVisible)
{
return(false);
}
switch (msg)
{
case NativeMethods.WindowMessage.LeftButtonDoubleClick:
case NativeMethods.WindowMessage.LeftButtonDown:
{
if (buttonRect.Contains(pt))
{
// Pressed while inside the control
isPressed = true;
Parent.SampleFramework.Window.Capture = true;
dragX = pt.X;
dragOffset = buttonX - dragX;
if (!hasFocus)
{
Dialog.RequestFocus(this);
}
return(true);
}
if (boundingBox.Contains(pt))
{
if (pt.X > buttonX + controlX)
{
SetValueInternal(currentValue + 1, true);
return(true);
}
if (pt.X < buttonX + controlX)
{
SetValueInternal(currentValue - 1, true);
return(true);
}
}
break;
}
case NativeMethods.WindowMessage.LeftButtonUp:
{
if (isPressed)
{
isPressed = false;
Parent.SampleFramework.Window.Capture = false;
Dialog.ClearFocus();
RaiseValueChanged(this, true);
return(true);
}
break;
}
case NativeMethods.WindowMessage.MouseMove:
{
if (isPressed)
{
SetValueInternal(ValueFromPosition(controlX + pt.X + dragOffset), true);
return(true);
}
break;
}
}
return(false);
}
