public void OnMouseDown(MouseEventArgs e)
{
// get the world point of the mouse hit
Coordinates worldPoint = drawingSurface.Transform.GetWorldPoint(e.Location);
// do a hit test
// calculate hit tolerance in world units
double tolerance = MapSettings.PixelHitTolerance / drawingSurface.Transform.Scale;
// check for only selectable objects
HitTestResult hitResult = drawingSurface.HitTest(worldPoint, tolerance, HitTestFilters.SelectableOnly);
if (hitResult.Hit) {
// we had a hit
// NOTE: we could add dragging support here
// check if the selected object has changed
object selected = drawingSurface.SelectedObject = (ISelectable)hitResult.Target;
// check if the selected object is IInteract
if (selected is IMouseInteract) {
((IMouseInteract)selected).OnMouseDown(new MouseEvent(worldPoint, e.Clicks, e.Button));
}
}
else {
// there was no hit
// deselect the old object if one was selected
drawingSurface.SelectedObject = null;
// do a screen drag if this is a left mouse click
if (e.Button == MouseButtons.Left) {
dragHelper = new DragScreenHelper(drawingSurface, worldPoint);
}
}
}
public void OnMouseUp(MouseEventArgs e)
{
if (dragHelper != null)
{
// apply the final point of the move
dragHelper.InMove(e.Location);
// kill it
dragHelper = null;
}
}
public void OnMouseUp(MouseEventArgs e)
{
if (dragHelper != null)
{
dragHelper.InMove(e.Location);
dragHelper = null;
}
else if (inZoom && e.Button == MouseButtons.Left)
{
SetZoom(startPoint, drawingSurface.Transform.GetWorldPoint(e.Location));
inZoom = false;
}
}
public void OnMouseDown(MouseEventArgs e)
{
// get the world point of the mouse hit
Coordinates worldPoint = drawingSurface.Transform.GetWorldPoint(e.Location);
if (e.Button != MouseButtons.Left)
return;
// check if the control key is down
if ((Control.ModifierKeys & Keys.Control) != Keys.None) {
// user wants to do a drag
dragHelper = new DragScreenHelper(drawingSurface, worldPoint);
}
else {
endPoint = startPoint = worldPoint;
inZoom = true;
}
}
public void OnMouseUp(MouseEventArgs e)
{
if (dragHelper != null)
{
// apply the final point of the move
dragHelper.InMove(e.Location);
// kill it
dragHelper = null;
}
else if (drawingSurface.SelectedObject != null)
{
// get the world point of the mouse hit
Coordinates worldPoint = drawingSurface.Transform.GetWorldPoint(e.Location);
// check if the selected object is IInteract
if (drawingSurface.SelectedObject is IMouseInteract)
{
((IMouseInteract)drawingSurface.SelectedObject).OnMouseUp(new MouseEvent(worldPoint, e.Clicks, e.Button));
}
}
}
public void OnMouseDown(MouseEventArgs e)
{
// get the world point of the mouse hit
Coordinates worldPoint = drawingSurface.Transform.GetWorldPoint(e.Location);
if (e.Button != MouseButtons.Left)
{
return;
}
// check if the control key is down
if ((Control.ModifierKeys & Keys.Control) != Keys.None)
{
// user wants to do a drag
dragHelper = new DragScreenHelper(drawingSurface, worldPoint);
}
else
{
endPoint = startPoint = worldPoint;
inZoom = true;
}
}
public void OnMouseDown(MouseEventArgs e)
{
// get the world point of the mouse hit
Coordinates worldPoint = drawingSurface.Transform.GetWorldPoint(e.Location);
// do a hit test
// calculate hit tolerance in world units
double tolerance = MapSettings.PixelHitTolerance / drawingSurface.Transform.Scale;
// check for only selectable objects
HitTestResult hitResult = drawingSurface.HitTest(worldPoint, tolerance, HitTestFilters.SelectableOnly);
if (hitResult.Hit)
{
// we had a hit
// NOTE: we could add dragging support here
// check if the selected object has changed
object selected = drawingSurface.SelectedObject = (ISelectable)hitResult.Target;
// check if the selected object is IInteract
if (selected is IMouseInteract)
{
((IMouseInteract)selected).OnMouseDown(new MouseEvent(worldPoint, e.Clicks, e.Button));
}
}
else
{
// there was no hit
// deselect the old object if one was selected
drawingSurface.SelectedObject = null;
// do a screen drag if this is a left mouse click
if (e.Button == MouseButtons.Left)
{
dragHelper = new DragScreenHelper(drawingSurface, worldPoint);
}
}
}
public void OnMouseUp(MouseEventArgs e)
{
if (dragHelper != null) {
dragHelper.InMove(e.Location);
dragHelper = null;
}
else if (inZoom && e.Button == MouseButtons.Left) {
SetZoom(startPoint, drawingSurface.Transform.GetWorldPoint(e.Location));
inZoom = false;
}
}
public void OnDeactivate(IDrawingSurface drawingService)
{
this.drawingSurface = null;
this.dragHelper = null;
this.inZoom = false;
}
public void OnDeactivate(IDrawingSurface drawingService)
{
this.drawingSurface = null;
this.dragHelper = null;
this.inZoom = false;
}
public void OnActivate(IDrawingSurface drawingService)
{
drawingService.GetControl().Cursor = Cursors.Arrow;
this.drawingSurface = drawingService;
this.dragHelper = null;
}
public void OnActivate(IDrawingSurface drawingService)
{
drawingService.GetControl().Cursor = Cursors.Arrow;
this.drawingSurface = drawingService;
this.dragHelper = null;
}
public void OnMouseUp(MouseEventArgs e)
{
if (dragHelper != null) {
// apply the final point of the move
dragHelper.InMove(e.Location);
// kill it
dragHelper = null;
}
else if (drawingSurface.SelectedObject != null) {
// get the world point of the mouse hit
Coordinates worldPoint = drawingSurface.Transform.GetWorldPoint(e.Location);
// check if the selected object is IInteract
if (drawingSurface.SelectedObject is IMouseInteract) {
((IMouseInteract)drawingSurface.SelectedObject).OnMouseUp(new MouseEvent(worldPoint, e.Clicks, e.Button));
}
}
}
public void OnMouseDown(MouseEventArgs e)
{
// get the world point of the mouse hit
Coordinates worldPoint = drawingSurface.Transform.GetWorldPoint(e.Location);
if (e.Button != MouseButtons.Left)
{
return;
}
// check if the control key is down
if ((Control.ModifierKeys & Keys.Control) != Keys.None)
{
// user wants to do a drag
dragHelper = new DragScreenHelper(drawingSurface, worldPoint);
}
else if ((Control.ModifierKeys & Keys.Shift) != Keys.None)
{
// do a hit test to get a snap point
// calculate hit tolerance in world units
double tolerance = MapSettings.PixelHitTolerance / drawingSurface.Transform.Scale;
// check for only selectable objects
HitTestResult hitResult = drawingSurface.HitTest(worldPoint, tolerance, HitTestFilters.HasSnap);
if (hitResult.Hit)
{
// we have a snap point
if (inRuler)
{
endPoint = hitResult.SnapPoint;
}
else
{
endPoint = startPoint = hitResult.SnapPoint;
}
}
else
{
// no snap point
if (inRuler)
{
endPoint = worldPoint;
}
else
{
endPoint = startPoint = worldPoint;
}
}
inRuler = true;
}
else
{
if (inRuler)
{
endPoint = worldPoint;
}
else
{
endPoint = startPoint = worldPoint;
}
inRuler = true;
}
}
public void OnActivate(IDrawingSurface drawingService)
{
this.drawingSurface = drawingService;
this.dragHelper = null;
this.inRuler = false;
}