bool BaseTab::OnMousePressed(const view::MouseEvent& event)
{
if(!controller())
{
return false;
}
if(event.IsOnlyLeftMouseButton())
{
if(event.IsShiftDown() && event.IsControlDown())
{
controller()->AddSelectionFromAnchorTo(this);
}
else if(event.IsShiftDown())
{
controller()->ExtendSelectionTo(this);
}
else if(event.IsControlDown())
{
controller()->ToggleSelected(this);
if(!IsSelected())
{
// Don't allow dragging non-selected tabs.
return false;
}
}
else if(!IsSelected())
{
controller()->SelectTab(this);
}
else if(IsActive())
{
controller()->ClickActiveTab(this);
}
controller()->MaybeStartDrag(this, event);
}
return true;
}
void BaseTab::OnMouseReleased(const view::MouseEvent& event)
{
if(!controller())
{
return;
}
// Notify the drag helper that we're done with any potential drag operations.
// Clean up the drag helper, which is re-created on the next mouse press.
// In some cases, ending the drag will schedule the tab for destruction; if
// so, bail immediately, since our members are already dead and we shouldn't
// do anything else except drop the tab where it is.
if(controller()->EndDrag(false))
{
return;
}
// Close tab on middle click, but only if the button is released over the tab
// (normal windows behavior is to discard presses of a UI element where the
// releases happen off the element).
if(event.IsMiddleMouseButton())
{
if(HitTest(event.location()))
{
controller()->CloseTab(this);
}
else if(closing_)
{
// We're animating closed and a middle mouse button was pushed on us but
// we don't contain the mouse anymore. We assume the user is clicking
// quicker than the animation and we should close the tab that falls under
// the mouse.
BaseTab* closest_tab = controller()->GetTabAt(this, event.location());
if(closest_tab)
{
controller()->CloseTab(closest_tab);
}
}
}
else if(event.IsOnlyLeftMouseButton() && !event.IsShiftDown() &&
!event.IsControlDown())
{
// If the tab was already selected mouse pressed doesn't change the
// selection. Reset it now to handle the case where multiple tabs were
// selected.
controller()->SelectTab(this);
}
}