void SetNavigationCursor(Point pt)
{
var m = Metrics.GetNavigationPanelMetrics(viewMetrics, eventsHandler);
string toolTip = null;
if (m.Resizer1.Contains(pt))
{
NSCursor.ResizeLeftCursor.Set();
toolTip = "Drag to resize visible area";
}
else if (m.Resizer2.Contains(pt))
{
NSCursor.ResizeRightCursor.Set();
toolTip = "Drag to resize visible area";
}
else if (m.VisibleRangeBox.Contains(pt))
{
NSCursor.OpenHandCursor.Set();
toolTip = "Drag to move visible area";
}
if (toolTip != null)
{
navigatorView.ToolTip = toolTip;
}
else
{
navigatorView.RemoveAllToolTips();
}
}
void HandleNavigatorViewMouseDown(NSEvent e)
{
var pt = navigatorView.ConvertPointFromView(e.LocationInWindow, null).ToPoint();
var m = Metrics.GetNavigationPanelMetrics(viewMetrics, eventsHandler);
if (m.Resizer1.Contains(pt))
{
currentNavigationOp = new CurrentNavigationOp()
{
beginDeltaX = m.VisibleRangeBox.X - pt.X
};
}
else if (m.Resizer2.Contains(pt))
{
currentNavigationOp = new CurrentNavigationOp()
{
endDeltaX = m.VisibleRangeBox.Right - pt.X
};
}
else if (m.VisibleRangeBox.Contains(pt))
{
currentNavigationOp = new CurrentNavigationOp()
{
beginDeltaX = m.VisibleRangeBox.X - pt.X,
endDeltaX = m.VisibleRangeBox.Right - pt.X
};
}
else
{
if (viewMetrics.NavigationPanelWidth != 0)
eventsHandler.OnNavigation((double)pt.X / (double)viewMetrics.NavigationPanelWidth);
}
}
public static void DrawNavigationPanel(
LJD.Graphics g,
ViewMetrics viewMetrics,
IViewEvents eventsHandler)
{
var panelClientRect = new Rectangle(0, 0, viewMetrics.NavigationPanelWidth, viewMetrics.NavigationPanelHeight);
g.FillRectangle(viewMetrics.NavigationPanel_InvisibleBackground, panelClientRect);
var m = Metrics.GetNavigationPanelMetrics(viewMetrics, eventsHandler);
g.FillRectangle(viewMetrics.NavigationPanel_VisibleBackground, m.VisibleRangeBox);
DrawRulerLines(g, viewMetrics, eventsHandler, DrawScope.AvailableRange, panelClientRect.Size);
double width = (double)viewMetrics.NavigationPanelWidth;
foreach (var evt in eventsHandler.OnDrawEvents(DrawScope.AvailableRange))
{
int x = (int)(evt.X * width);
g.DrawLine(viewMetrics.UserEventPen, x, 0, x, viewMetrics.NavigationPanelHeight);
}
foreach (var evt in eventsHandler.OnDrawBookmarks(DrawScope.AvailableRange))
{
int x = (int)(evt.X * width);
g.DrawLine(viewMetrics.BookmarkPen, x, 0, x, viewMetrics.NavigationPanelHeight);
}
var focusedMessagePos = eventsHandler.OnDrawFocusedMessage(DrawScope.AvailableRange);
if (focusedMessagePos.HasValue && focusedMessagePos.Value >= 0 && focusedMessagePos.Value <= 1)
{
int x = (int)(focusedMessagePos.Value * width);
g.DrawLine(viewMetrics.FocusedMessagePen, x, 0, x, viewMetrics.NavigationPanelHeight);
}
ResizerDrawing.DrawResizer(g, m.Resizer1, viewMetrics.SystemControlBrush);
ResizerDrawing.DrawResizer(g, m.Resizer2, viewMetrics.SystemControlBrush);
Rectangle visibleRangeBox = m.VisibleRangeBox;
visibleRangeBox.Width = Math.Max(visibleRangeBox.Width, 1);
g.DrawRectangle(viewMetrics.VisibleRangePen, visibleRangeBox);
}
private void navigationPanel_SetCursor(object sender, HandledMouseEventArgs e)
{
if (eventsHandler == null)
{
return;
}
var vm = GetUpToDateViewMetrics();
var m = Metrics.GetNavigationPanelMetrics(vm, eventsHandler);
if (m.Resizer1.Contains(e.Location) || m.Resizer2.Contains(e.Location))
{
Cursor.Current = Cursors.SizeWE;
e.Handled = true;
}
else if (m.VisibleRangeBox.Contains(e.Location))
{
Cursor.Current = Cursors.SizeAll;
e.Handled = true;
}
}
private void navigationPanel_MouseDown(object sender, MouseEventArgs e)
{
if (eventsHandler == null)
{
return;
}
var vm = GetUpToDateViewMetrics();
var m = Metrics.GetNavigationPanelMetrics(vm, eventsHandler);
if (m.Resizer1.Contains(e.Location))
{
currentNavigationOp = new CurrentNavigationOp()
{
beginDeltaX = m.VisibleRangeBox.X - e.X
};
}
else if (m.Resizer2.Contains(e.Location))
{
currentNavigationOp = new CurrentNavigationOp()
{
endDeltaX = m.VisibleRangeBox.Right - e.X
};
}
else if (m.VisibleRangeBox.Contains(e.Location))
{
currentNavigationOp = new CurrentNavigationOp()
{
beginDeltaX = m.VisibleRangeBox.X - e.X,
endDeltaX = m.VisibleRangeBox.Right - e.X
};
}
else
{
if (navigationPanel.Width != 0)
{
eventsHandler.OnNavigation((double)e.X / (double)navigationPanel.Width);
}
}
}