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Merge pull request #2009 from cwensley/curtis/sizing-cursors
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Added sizing cursors
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@cwensley
cwensley committed Aug 9, 2021
2 parents 150b8b7 + 80de382 commit b33bc30
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Showing 7 changed files with 257 additions and 68 deletions.
18 changes: 18 additions & 0 deletions src/Eto.Gtk/GtkConversions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,24 @@ public static Gdk.CursorType ToGdk(this CursorType cursor)
return Gdk.CursorType.Fleur;
case CursorType.Pointer:
return Gdk.CursorType.Hand2;
case CursorType.SizeAll:
return Gdk.CursorType.Fleur;
case CursorType.SizeLeft:
return Gdk.CursorType.LeftSide;
case CursorType.SizeTop:
return Gdk.CursorType.TopSide;
case CursorType.SizeRight:
return Gdk.CursorType.RightSide;
case CursorType.SizeBottom:
return Gdk.CursorType.BottomSide;
case CursorType.SizeTopLeft:
return Gdk.CursorType.TopLeftCorner;
case CursorType.SizeTopRight:
return Gdk.CursorType.TopRightCorner;
case CursorType.SizeBottomLeft:
return Gdk.CursorType.BottomLeftCorner;
case CursorType.SizeBottomRight:
return Gdk.CursorType.BottomRightCorner;
default:
throw new NotSupportedException();
}
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49 changes: 49 additions & 0 deletions src/Eto.Mac/Forms/CursorHandler.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -76,11 +76,60 @@ public void Create(CursorType cursor)
case CursorType.VerticalSplit:
Control = NSCursor.ResizeLeftRightCursor;
break;
case CursorType.SizeAll:
Control = GetHICursor("move") ?? NSCursor.ArrowCursor;
break;
case CursorType.SizeLeft:
case CursorType.SizeRight:
Control = GetHICursor("resizeeastwest") ?? GetNonStandardCursor("_windowResizeEastWestCursor") ?? NSCursor.ResizeLeftRightCursor;
break;
case CursorType.SizeTop:
case CursorType.SizeBottom:
Control = GetHICursor("resizenorthsouth") ?? GetNonStandardCursor("_windowResizeNorthSouthCursor") ?? NSCursor.ResizeUpDownCursor;
break;
case CursorType.SizeTopLeft:
case CursorType.SizeBottomRight:
Control = GetHICursor("resizenorthwestsoutheast") ?? GetNonStandardCursor("_windowResizeNorthWestSouthEastCursor") ?? NSCursor.ArrowCursor;
break;
case CursorType.SizeTopRight:
case CursorType.SizeBottomLeft:
Control = GetHICursor("resizenortheastsouthwest") ?? GetNonStandardCursor("_windowResizeNorthEastSouthWestCursor") ?? NSCursor.ArrowCursor;
break;
default:
throw new NotSupportedException();
}
}

static IntPtr cursorClassHandle = Class.GetHandle(typeof(NSCursor));

static NSCursor GetNonStandardCursor(string name)
{
// note, using private apis here so won't work on sandboxed apps.
try
{
var handle = Messaging.IntPtr_objc_msgSend(cursorClassHandle, Selector.GetHandle(name));
if (handle == IntPtr.Zero)
return null;
return Runtime.GetNSObject<NSCursor>(handle);
}
catch
{
return null;
}
}

static NSCursor GetHICursor(string cursorName)
{
var cursorPath = Path.Combine("/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/Resources/cursors", cursorName);
var pdfPath = Path.Combine(cursorPath, "cursor.pdf");
var infoPath = Path.Combine(cursorPath, "info.plist");
if (!File.Exists(pdfPath) || !File.Exists(infoPath))
return null;
var image = new NSImage(pdfPath);
var info = new NSDictionary(infoPath);
return new NSCursor(image, new CGPoint(((NSNumber)info.ValueForKey((NSString)"hotx")).DoubleValue, ((NSNumber)info.ValueForKey((NSString)"hoty")).DoubleValue));
}

public void Create(Image image, PointF hotspot)
{
var nsimage = image.ToNS();
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84 changes: 56 additions & 28 deletions src/Eto.WinForms/Forms/CursorHandler.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -10,35 +10,63 @@ namespace Eto.WinForms.Forms
{
public class CursorHandler : WidgetHandler<swf.Cursor, Cursor>, Cursor.IHandler
{
public void Create (CursorType cursor)
public void Create(CursorType cursor)
{
switch (cursor) {
case CursorType.Arrow:
Control = swf.Cursors.Arrow;
break;
case CursorType.Crosshair:
Control = swf.Cursors.Cross;
break;
case CursorType.Default:
Control = swf.Cursors.Default;
break;
case CursorType.HorizontalSplit:
Control = swf.Cursors.HSplit;
break;
case CursorType.IBeam:
Control = swf.Cursors.IBeam;
break;
case CursorType.Move:
Control = swf.Cursors.SizeAll;
break;
case CursorType.Pointer:
Control = swf.Cursors.Hand;
break;
case CursorType.VerticalSplit:
Control = swf.Cursors.VSplit;
break;
default:
throw new NotSupportedException();
switch (cursor)
{
case CursorType.Arrow:
Control = swf.Cursors.Arrow;
break;
case CursorType.Crosshair:
Control = swf.Cursors.Cross;
break;
case CursorType.Default:
Control = swf.Cursors.Default;
break;
case CursorType.HorizontalSplit:
Control = swf.Cursors.HSplit;
break;
case CursorType.IBeam:
Control = swf.Cursors.IBeam;
break;
case CursorType.Move:
Control = swf.Cursors.SizeAll;
break;
case CursorType.Pointer:
Control = swf.Cursors.Hand;
break;
case CursorType.VerticalSplit:
Control = swf.Cursors.VSplit;
break;
case CursorType.SizeAll:
Control = swf.Cursors.SizeAll;
break;
case CursorType.SizeLeft:
Control = swf.Cursors.SizeWE;
break;
case CursorType.SizeTop:
Control = swf.Cursors.SizeNS;
break;
case CursorType.SizeRight:
Control = swf.Cursors.SizeWE;
break;
case CursorType.SizeBottom:
Control = swf.Cursors.SizeNS;
break;
case CursorType.SizeTopLeft:
Control = swf.Cursors.SizeNWSE;
break;
case CursorType.SizeTopRight:
Control = swf.Cursors.SizeNESW;
break;
case CursorType.SizeBottomLeft:
Control = swf.Cursors.SizeNESW;
break;
case CursorType.SizeBottomRight:
Control = swf.Cursors.SizeNWSE;
break;
default:
throw new NotSupportedException();
}
}

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34 changes: 31 additions & 3 deletions src/Eto.Wpf/Forms/CursorHandler.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,10 @@ namespace Eto.Wpf.Forms
{
public class CursorHandler : WidgetHandler<swi.Cursor, Cursor>, Cursor.IHandler
{
public void Create (CursorType cursor)
public void Create(CursorType cursor)
{
switch (cursor) {
switch (cursor)
{
case CursorType.Arrow:
Control = swi.Cursors.Arrow;
break;
Expand All @@ -36,8 +37,35 @@ public void Create (CursorType cursor)
case CursorType.VerticalSplit:
Control = swi.Cursors.SizeWE;
break;
case CursorType.SizeAll:
Control = swi.Cursors.SizeAll;
break;
case CursorType.SizeLeft:
Control = swi.Cursors.SizeWE;
break;
case CursorType.SizeTop:
Control = swi.Cursors.SizeNS;
break;
case CursorType.SizeRight:
Control = swi.Cursors.SizeWE;
break;
case CursorType.SizeBottom:
Control = swi.Cursors.SizeNS;
break;
case CursorType.SizeTopLeft:
Control = swi.Cursors.SizeNWSE;
break;
case CursorType.SizeTopRight:
Control = swi.Cursors.SizeNESW;
break;
case CursorType.SizeBottomLeft:
Control = swi.Cursors.SizeNESW;
break;
case CursorType.SizeBottomRight:
Control = swi.Cursors.SizeNWSE;
break;
default:
throw new NotSupportedException ();
throw new NotSupportedException();
}
}

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47 changes: 46 additions & 1 deletion src/Eto/Forms/Cursor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,52 @@ public enum CursorType
/// <summary>
/// Horizontal sizing cursor
/// </summary>
HorizontalSplit
HorizontalSplit,

/// <summary>
/// All direction sizing cursor
/// </summary>
SizeAll,

/// <summary>
/// Left side sizing cursor, which on some platforms is the same as <see cref="SizeRight"/>
/// </summary>
SizeLeft,

/// <summary>
/// Top side sizing cursor, which on some platforms is the same as <see cref="SizeBottom"/>
/// </summary>
SizeTop,

/// <summary>
/// Right side sizing cursor, which on some platforms is the same as <see cref="SizeLeft"/>
/// </summary>
SizeRight,

/// <summary>
/// Bottom side sizing cursor, which on some platforms is the same as <see cref="SizeTop"/>
/// </summary>
SizeBottom,

/// <summary>
/// Top-left corner sizing cursor, which on some platforms is the same as <see cref="SizeBottomRight"/>
/// </summary>
SizeTopLeft,

/// <summary>
/// Top-right corner sizing cursor, which on some platforms is the same as <see cref="SizeBottomLeft"/>
/// </summary>
SizeTopRight,

/// <summary>
/// Bottom-left corner sizing cursor, which on some platforms is the same as <see cref="SizeTopRight"/>
/// </summary>
SizeBottomLeft,

/// <summary>
/// Bottom-right corner sizing cursor, which on some platforms is the same as <see cref="SizeTopLeft"/>
/// </summary>
SizeBottomRight
}

/// <summary>
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