static void HandleActivated(object sender, EventArgs e)
{
var handler = GetHandler(sender) as SliderHandler;
if (handler != null)
{
var newval = (int)Math.Round(handler.Control.DoubleValue);
if (newval != handler.Control.IntValue)
{
handler.Control.IntValue = newval;
}
handler.Callback.OnValueChanged(handler.Widget, EventArgs.Empty);
var ev = NSApplication.SharedApplication.CurrentEvent;
if (ev != null)
{
// trigger mouse events when value is changed as they are buried by the slider
if (ev.Type == NSEventType.LeftMouseUp || ev.Type == NSEventType.RightMouseUp)
{
handler.Callback.OnMouseUp(handler.Widget, MacConversions.GetMouseEvent(handler.Control, ev, false));
}
else if (ev.Type == NSEventType.LeftMouseDragged || ev.Type == NSEventType.RightMouseDragged)
{
handler.Callback.OnMouseMove(handler.Widget, MacConversions.GetMouseEvent(handler.Control, ev, false));
}
}
}
}
public override void SelectionIsChanging(NSNotification notification)
{
var theEvent = NSApplication.SharedApplication.CurrentEvent;
if (theEvent.ButtonMask != 0)
{
// user is dragging the mouse, fire mouse move notifications
var args = MacConversions.GetMouseEvent(Handler.ContainerControl, theEvent, false);
}
}
public override bool WriteRows(NSTableView tableView, NSIndexSet rowIndexes, NSPasteboard pboard)
{
var h = Handler;
if (h == null)
{
return(false);
}
if (h.IsMouseDragging)
{
h.DragInfo = null;
// give MouseMove event a chance to start the drag
h.DragPasteboard = pboard;
// check if the dragged rows are different than the selection so we can fire a changed event
var dragRows = rowIndexes.Select(r => (int)r).ToList();
bool isDifferentSelection = (nint)dragRows.Count != h.Control.SelectedRowCount;
if (!isDifferentSelection)
{
// same count, ensure they're not different rows
// typically only tests one entry here, as there's no way to drag more than a single non-selected item.
var selectedRows = h.Control.SelectedRows.ToArray();
for (var i = 0; i < selectedRows.Length; i++)
{
if (!dragRows.Contains((int)selectedRows[i]))
{
isDifferentSelection = true;
break;
}
}
}
if (isDifferentSelection)
{
h.CustomSelectedRows = dragRows;
h.Callback.OnSelectionChanged(h.Widget, EventArgs.Empty);
}
var args = MacConversions.GetMouseEvent(h, NSApplication.SharedApplication.CurrentEvent, false);
h.Callback.OnMouseMove(h.Widget, args);
h.DragPasteboard = null;
return(h.DragInfo != null);
}
return(false);
}
public override void MouseDown(NSEvent theEvent)
{
var handler = Handler;
if (handler != null)
{
var args = MacConversions.GetMouseEvent(handler.ContainerControl, theEvent, false);
if (theEvent.ClickCount >= 2)
{
handler.Callback.OnMouseDoubleClick(handler.Widget, args);
}
else
{
handler.Callback.OnMouseDown(handler.Widget, args);
}
if (args.Handled)
{
return;
}
var point = ConvertPointFromView(theEvent.LocationInWindow, null);
int rowIndex = (int)GetRow(point);
if (rowIndex >= 0)
{
int columnIndex = (int)GetColumn(point);
var item = handler.GetItem(rowIndex);
var column = columnIndex == -1 || columnIndex > handler.Widget.Columns.Count ? null : handler.Widget.Columns[columnIndex];
var cellArgs = MacConversions.CreateCellMouseEventArgs(column, handler.ContainerControl, rowIndex, columnIndex, item, theEvent);
if (theEvent.ClickCount >= 2)
{
handler.Callback.OnCellDoubleClick(handler.Widget, cellArgs);
}
else
{
handler.Callback.OnCellClick(handler.Widget, cellArgs);
}
}
handler.IsMouseDragging = true;
base.MouseDown(theEvent);
handler.IsMouseDragging = false;
// NSOutlineView uses an event loop and MouseUp() does not get called
handler.Callback.OnMouseUp(handler.Widget, args);
return;
}
base.MouseDown(theEvent);
}
static void TriggerMouseDragged(IntPtr sender, IntPtr sel, IntPtr e)
{
var obj = Runtime.GetNSObject(sender);
var handler = GetHandler(obj) as IMacViewHandler;
if (handler != null)
{
var theEvent = Messaging.GetNSObject <NSEvent>(e);
var args = MacConversions.GetMouseEvent(handler.ContainerControl, theEvent, false);
handler.Callback.OnMouseMove(handler.Widget, args);
if (!args.Handled)
{
Messaging.void_objc_msgSendSuper_IntPtr(obj.SuperHandle, sel, e);
}
}
}
/// <summary>
/// Triggers a mouse callback from a different event.
/// e.g. when an NSButton is clicked it is triggered from a mouse up event.
/// </summary>
protected void TriggerMouseCallback()
{
// trigger mouse up event since it's buried by cocoa
var evt = NSApplication.SharedApplication.CurrentEvent;
if (evt == null)
{
return;
}
if (evt.Type == NSEventType.LeftMouseUp || evt.Type == NSEventType.RightMouseUp || evt.Type == NSEventType.OtherMouseUp)
{
Callback.OnMouseUp(Widget, MacConversions.GetMouseEvent(ContainerControl, evt, false));
}
if (evt.Type == NSEventType.LeftMouseDragged || evt.Type == NSEventType.RightMouseDragged || evt.Type == NSEventType.OtherMouseDragged)
{
Callback.OnMouseMove(Widget, MacConversions.GetMouseEvent(ContainerControl, evt, false));
}
}
bool HandleMouseEvent(NSEvent theEvent)
{
var handler = Handler;
if (handler != null)
{
var args = MacConversions.GetMouseEvent(handler, theEvent, false);
if (theEvent.ClickCount >= 2)
{
handler.Callback.OnMouseDoubleClick(handler.Widget, args);
}
else
{
handler.Callback.OnMouseDown(handler.Widget, args);
}
if (args.Handled)
{
return(true);
}
var point = ConvertPointFromView(theEvent.LocationInWindow, null);
int rowIndex;
if ((rowIndex = (int)GetRow(point)) >= 0)
{
int columnIndex = (int)GetColumn(point);
var item = handler.GetItem(rowIndex);
var column = columnIndex == -1 || columnIndex > handler.Widget.Columns.Count ? null : handler.Widget.Columns[columnIndex];
var cellArgs = MacConversions.CreateCellMouseEventArgs(column, handler.ContainerControl, rowIndex, columnIndex, item, theEvent);
if (theEvent.ClickCount >= 2)
{
handler.Callback.OnCellDoubleClick(handler.Widget, cellArgs);
}
else
{
handler.Callback.OnCellClick(handler.Widget, cellArgs);
}
}
}
return(false);
}
public override bool WriteRows(NSTableView tableView, NSIndexSet rowIndexes, NSPasteboard pboard)
{
var h = Handler;
if (h == null)
{
return(false);
}
if (h.IsMouseDragging)
{
h.Control.AllowedOperation = null;
// give MouseMove event a chance to start the drag
h.DragPasteboard = pboard;
h.CustomSelectedRows = rowIndexes.Select(r => (int)r).ToList();
var args = MacConversions.GetMouseEvent(h.ContainerControl, NSApplication.SharedApplication.CurrentEvent, false);
h.Callback.OnMouseMove(h.Widget, args);
h.DragPasteboard = null;
h.CustomSelectedRows = null;
return(h.Control.AllowedOperation != null);
}
return(false);
}
public override bool OutlineViewwriteItemstoPasteboard(NSOutlineView outlineView, NSArray items, NSPasteboard pboard)
{
var h = Handler;
if (h == null)
{
return(false);
}
if (h.IsMouseDragging)
{
h.Control.AllowedOperation = null;
// give MouseMove event a chance to start the drag
h.DragPasteboard = pboard;
h.CustomSelectedItems = GetItems(items).ToList();
var args = MacConversions.GetMouseEvent(h.ContainerControl, NSApplication.SharedApplication.CurrentEvent, false);
h.Callback.OnMouseMove(h.Widget, args);
h.DragPasteboard = null;
h.CustomSelectedItems = null;
return(h.Control.AllowedOperation != null);
}
return(false);
}
public void ScrollWheel(NSEvent theEvent)
{
Handler.Callback.OnMouseWheel(Handler.Widget, MacConversions.GetMouseEvent(Handler.EventControl, theEvent, true));
}
public void MouseExited(NSEvent theEvent)
{
Handler.Callback.OnMouseLeave(Handler.Widget, MacConversions.GetMouseEvent(Handler.EventControl, theEvent, false));
}
