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Added Aero snapping support to NovaWindow.cs and NovaToolWindow.cs
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@Lexz-08
Lexz-08 committed Aug 4, 2023
1 parent 028eb21 commit 4e9b8e4
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Showing 4 changed files with 275 additions and 104 deletions.
4 changes: 3 additions & 1 deletion Demo/Main.Designer.cs
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271 changes: 188 additions & 83 deletions NovaUI/Controls/NovaToolWindow.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,16 +12,20 @@ public class NovaToolWindow : Form
{
private Color _headerColor = Constants.SecondaryColor;
private Color _closeColor = Color.Red;
private Color _minColor = Color.SeaGreen;
private Color _maxColor = Color.DodgerBlue;
private Color _borderColor = Constants.BorderColor;
private bool _stretchCaptions = false;
private bool _canResize = true;
private bool _animateWindow = true;
private bool _animateWindow = false;
private bool _useAeroSnap = true;
private bool _useAeroShadow = true;
private bool _useUserSchemeCursor = true;
private Cursor _originalCrsr = Cursors.Default;

private bool _aeroEnabled = false;
private bool _canFade = true;
private Size _stateChangeSize;

private Rectangle _topLeft, _top, _topRight,
_left, _right,
Expand All @@ -47,6 +51,18 @@ public class NovaToolWindow : Form
[Category("Property"), Description("Occurs when the value of the CloseColor property changes.")]
public event EventHandler CloseColorChanged;

/// <summary>
/// Occurs when the value of the <see cref="MinimizeColor"/> property changes.
/// </summary>
[Category("Property"), Description("Occurs when the value of the MinimizeColor property changes.")]
public event EventHandler MinimizeColorChanged;

/// <summary>
/// Occurs when the value of the <see cref="MaximizeColor"/> property changes.
/// </summary>
[Category("Property"), Description("Occurs when the value of the MaximizeColor property changes.")]
public event EventHandler MaximizeColorChanged;

/// <summary>
/// Occurs when the value of the <see cref="BorderColor"/> property changes.
/// </summary>
Expand All @@ -73,6 +89,26 @@ protected virtual void OnCloseColorChanged(EventArgs e)
Invalidate();
}

/// <summary>
/// Raises the <see cref="MinimizeColorChanged"/> event.
/// </summary>
/// <param name="e">An EventArgs that contains the event data.</param>
protected virtual void OnMinimizeColorChanged(EventArgs e)
{
MinimizeColorChanged?.Invoke(this, e);
Invalidate();
}

/// <summary>
/// Raises the <see cref="MaximizeColorChanged"/> event.
/// </summary>
/// <param name="e">An EventArgs that contains the event data.</param>
protected virtual void OnMaximizeColorChanged(EventArgs e)
{
MaximizeColorChanged?.Invoke(this, e);
Invalidate();
}

/// <summary>
/// Raises the <see cref="BorderColorChanged"/> event.
/// </summary>
Expand Down Expand Up @@ -103,6 +139,26 @@ public Color CloseColor
set { _closeColor = value; OnCloseColorChanged(EventArgs.Empty); }
}

/// <summary>
/// Gets or sets the color of the minimize button on the form header.
/// </summary>
[Category("Appearance"), Description("Gets or sets the color of the minimize button on the form header.")]
public Color MinimizeColor
{
get => _minColor;
set { _minColor = value; OnMinimizeColorChanged(EventArgs.Empty); }
}

/// <summary>
/// Gets or sets the color of the maximize button on the form header.
/// </summary>
[Category("Appearance"), Description("Gets or sets the color of the maximize button on the form header.")]
public Color MaximizeColor
{
get => _maxColor;
set { _maxColor = value; OnMaximizeColorChanged(EventArgs.Empty); }
}

/// <summary>
/// Gets or sets the border color of the form.
/// </summary>
Expand Down Expand Up @@ -142,7 +198,30 @@ public bool CanResize
public bool AnimateWindow
{
get => _animateWindow;
set { _animateWindow = value; Invalidate(); }
set
{
_animateWindow = value;
if (value) _useAeroSnap = false;

Invalidate();
}
}

/// <summary>
/// Gets or sets a value indicating whether the form will utilize Windows Aero snapping.
/// </summary>
[Category("Behavior"), Description("Gets or sets a value indicating whether the form will utilize Windows Aero snapping.")]
public bool UseAeroSnap
{
get => _useAeroSnap;
set
{
_useAeroSnap = value;
if (value) _animateWindow = false;
FormBorderStyle = value ? (_canResize ? FormBorderStyle.Sizable : FormBorderStyle.FixedSingle) : FormBorderStyle.None;

Invalidate();
}
}

/// <summary>
Expand Down Expand Up @@ -241,10 +320,7 @@ public NovaToolWindow()
ForeColor = Constants.TextColor;

MinimumSize = new Size(200, 100);
FormBorderStyle = FormBorderStyle.None;

Opacity = 0;
Fade(true);
FormBorderStyle = FormBorderStyle.Sizable;
}

private void Fade(bool fadeIn, Action callback = null)
Expand Down Expand Up @@ -302,28 +378,25 @@ protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);

if (_canResize)
if (_left.Contains(e.Location) || _right.Contains(e.Location) && _canResize)
{
if (_left.Contains(e.Location) || _right.Contains(e.Location))
{
if (_useUserSchemeCursor) Cursor = Win32.RegCursor("SizeWE");
else Cursor = Cursors.SizeWE;
}
else if (_top.Contains(e.Location) || _bottom.Contains(e.Location))
{
if (_useUserSchemeCursor) Cursor = Win32.RegCursor("SizeNS");
else Cursor = Cursors.SizeNS;
}
else if (_topLeft.Contains(e.Location) || _bottomRight.Contains(e.Location))
{
if (_useUserSchemeCursor) Cursor = Win32.RegCursor("SizeNWSE");
else Cursor = Cursors.SizeNWSE;
}
else if (_topRight.Contains(e.Location) || _bottomLeft.Contains(e.Location))
{
if (_useUserSchemeCursor) Cursor = Win32.RegCursor("SizeNESW");
else Cursor = Cursors.SizeNESW;
}
if (_useUserSchemeCursor) Cursor = Win32.RegCursor("SizeWE");
else Cursor = Cursors.SizeWE;
}
else if (_top.Contains(e.Location) || _bottom.Contains(e.Location) && _canResize)
{
if (_useUserSchemeCursor) Cursor = Win32.RegCursor("SizeNS");
else Cursor = Cursors.SizeNS;
}
else if (_topLeft.Contains(e.Location) || _bottomRight.Contains(e.Location) && _canResize)
{
if (_useUserSchemeCursor) Cursor = Win32.RegCursor("SizeNWSE");
else Cursor = Cursors.SizeNWSE;
}
else if (_topRight.Contains(e.Location) || _bottomLeft.Contains(e.Location) && _canResize)
{
if (_useUserSchemeCursor) Cursor = Win32.RegCursor("SizeNESW");
else Cursor = Cursors.SizeNESW;
}
else if (_close.Contains(e.Location) ||
(_caption1.Contains(e.Location) && _allowCaption1) ||
Expand All @@ -346,48 +419,45 @@ protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);

if (_canResize)
if (_left.Contains(e.Location) && _canResize)
{
if (_left.Contains(e.Location))
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 10, 0);
}
else if (_right.Contains(e.Location))
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 11, 0);
}
else if (_top.Contains(e.Location))
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 12, 0);
}
else if (_topLeft.Contains(e.Location))
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 13, 0);
}
else if (_topRight.Contains(e.Location))
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 14, 0);
}
else if (_bottom.Contains(e.Location))
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 15, 0);
}
else if (_bottomLeft.Contains(e.Location))
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 16, 0);
}
else if (_bottomRight.Contains(e.Location))
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 17, 0);
}
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 10, 0);
}
else if (_right.Contains(e.Location) && _canResize)
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 11, 0);
}
else if (_top.Contains(e.Location) && _canResize)
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 12, 0);
}
else if (_topLeft.Contains(e.Location) && _canResize)
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 13, 0);
}
else if (_topRight.Contains(e.Location) && _canResize)
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 14, 0);
}
else if (_bottom.Contains(e.Location) && _canResize)
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 15, 0);
}
else if (_bottomLeft.Contains(e.Location) && _canResize)
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 16, 0);
}
else if (_bottomRight.Contains(e.Location) && _canResize)
{
Win32.ReleaseCapture();
Win32.SendMessage(Handle, 161, 17, 0);
}
else if (_close.Contains(e.Location))
{
Expand Down Expand Up @@ -422,8 +492,8 @@ protected override void OnPaint(PaintEventArgs e)
{
leftWidth = 0,
rightWidth = 0,
topHeight = 1,
bottomHeight = 0
topHeight = 0,
bottomHeight = 1
};
Win32.DwmExtendFrameIntoClientArea(Handle, ref margins);
}
Expand Down Expand Up @@ -469,7 +539,7 @@ protected override void OnPaint(PaintEventArgs e)
// for visual debugging of the Form layout
bool debug = false;

_close = new Rectangle(Width - _headerHeight - _resizeWidth, _resizeWidth + (_useAeroShadow ? 1 : 0), _headerHeight, _headerHeight - (_resizeWidth * 2));
_close = new Rectangle(Width - _headerHeight - _resizeWidth, _resizeWidth, _headerHeight, _headerHeight - (_resizeWidth * 2));

Size captionIcon = new Size(_headerHeight - (_resizeWidth * 2), _headerHeight - (_resizeWidth * 2));
Point mouse = PointToClient(MousePosition);
Expand All @@ -486,14 +556,14 @@ protected override void OnPaint(PaintEventArgs e)

if (_allowCaption1)
{
_caption1 = new Rectangle(_close.X - _headerHeight, _useAeroShadow ? 1 : 0, _headerHeight, _headerHeight - (_resizeWidth * 2));
_caption1 = new Rectangle(_close.X - _headerHeight, 0, _headerHeight, _headerHeight - (_resizeWidth * 2));

ImageAttributes attributes = new ImageAttributes();
attributes.SetRemapTable(new ColorMap[] { new ColorMap
{
OldColor = ForeColor,
NewColor = _caption1.Contains(mouse) ? _caption1Color : ForeColor
} });
{
OldColor = ForeColor,
NewColor = _caption1.Contains(mouse) ? _caption1Color : ForeColor
} });

e.Graphics.DrawImage(_caption1Content,
new Rectangle(_caption1.X + (!_stretchCaptions ? ((_caption1.Width - captionIcon.Width) / 2) : 0), _caption1.Y, !_stretchCaptions ? captionIcon.Width : _caption1.Width, !_stretchCaptions ? captionIcon.Height : _caption1.Height)
Expand All @@ -502,15 +572,15 @@ protected override void OnPaint(PaintEventArgs e)

if (_allowCaption2)
{
_caption2 = new Rectangle(_caption1.X - _headerHeight, _useAeroShadow ? 1 : 0, _headerHeight, _headerHeight - (_resizeWidth * 2));
_caption2 = new Rectangle(_caption1.X - _headerHeight, 0, _headerHeight, _headerHeight - (_resizeWidth * 2));

ImageAttributes attributes = new ImageAttributes();
attributes.SetRemapTable(new ColorMap[] {
new ColorMap
{
OldColor = ForeColor,
NewColor = _caption2.Contains(mouse) ? _caption2Color : ForeColor
} });
new ColorMap
{
OldColor = ForeColor,
NewColor = _caption2.Contains(mouse) ? _caption2Color : ForeColor
} });

e.Graphics.DrawImage(_caption2Content,
new Rectangle(_caption2.X + (!_stretchCaptions ? ((_caption2.Width - captionIcon.Width) / 2) : 0), _caption2.Y, !_stretchCaptions ? captionIcon.Width : _caption2.Width, !_stretchCaptions ? captionIcon.Height : _caption2.Height)
Expand All @@ -522,7 +592,42 @@ protected override void OnActivated(EventArgs e)
{
base.OnActivated(e);

Fade(true);
if (_animateWindow) Fade(true);
}

protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);

if (_animateWindow)
{
Opacity = 0;
Invalidate();
}
}

protected override void WndProc(ref Message m)
{
const int WM_NCCALCSIZE = 0x0083;
const int WM_SYSCOMMAND = 0x0112;
const int SC_MINIMIZE = 0xF020;
const int SC_RESTORE = 0xF120;

if (_useAeroSnap)
{
if (m.Msg == WM_NCCALCSIZE && (int)m.WParam == 1)
return;

if (m.Msg == WM_SYSCOMMAND)
{
int wParam = (int)m.WParam & 0xFFF0;

if (wParam == SC_MINIMIZE) _stateChangeSize = ClientSize;
if (wParam == SC_RESTORE) Size = _stateChangeSize;
}
}

base.WndProc(ref m);
}

protected override CreateParams CreateParams
Expand Down
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