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LibGUI: Add callbacks for Slider drags starting and ending

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This commit is contained in:
Zaggy1024
2023-02-05 19:19:31 -06:00
committed by Sam Atkins
parent fa98c43c0d
commit d9a73bbc96
2 changed files with 11 additions and 1 deletions
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9
Userland/Libraries/LibGUI/Slider.cpp
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@@ -82,6 +82,8 @@ void Slider::start_drag(Gfx::IntPoint start_position)
m_dragging = true;
m_drag_origin = start_position;
m_drag_origin_value = value();
if (on_drag_start)
on_drag_start();
}
void Slider::mousedown_event(MouseEvent& event)
@@ -98,8 +100,11 @@ void Slider::mousedown_event(MouseEvent& event)
}
int new_value = static_cast<int>(min() + ((max() - min()) * normalized_mouse_offset));
set_value(new_value);
set_value(new_value, AllowCallback::No);
start_drag(event.position());
// Delay the callback to make it aware that a drag has started.
if (on_change)
on_change(new_value);
return;
}
@@ -136,6 +141,8 @@ void Slider::end_drag()
{
if (m_dragging) {
m_dragging = false;
if (on_drag_end)
on_drag_end();
}
}