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https://github.com/RGBCube/serenity
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LibGUI: Factor out Splitter hit testing into a separate function
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parent
01cefa83aa
commit
7aa62665a3
2 changed files with 24 additions and 14 deletions
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@ -60,29 +60,37 @@ void Splitter::leave_event(Core::Event&)
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update();
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update();
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}
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}
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void Splitter::mousedown_event(MouseEvent& event)
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void Splitter::get_resize_candidates_at(const Gfx::Point& position, Widget*& first, Widget*& second)
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{
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{
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if (event.button() != MouseButton::Left)
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int x_or_y = position.primary_offset_for_orientation(m_orientation);
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return;
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m_resizing = true;
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int x_or_y = event.position().primary_offset_for_orientation(m_orientation);
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Widget* first_resizee { nullptr };
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Widget* second_resizee { nullptr };
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int fudge = layout()->spacing();
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int fudge = layout()->spacing();
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for_each_child_widget([&](auto& child) {
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for_each_child_widget([&](auto& child) {
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int child_start = child.relative_rect().first_edge_for_orientation(m_orientation);
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int child_start = child.relative_rect().first_edge_for_orientation(m_orientation);
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int child_end = child.relative_rect().last_edge_for_orientation(m_orientation);
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int child_end = child.relative_rect().last_edge_for_orientation(m_orientation);
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if (x_or_y > child_end && (x_or_y - fudge) <= child_end)
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if (x_or_y > child_end && (x_or_y - fudge) <= child_end)
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first_resizee = &child;
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first = &child;
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if (x_or_y < child_start && (x_or_y + fudge) >= child_start)
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if (x_or_y < child_start && (x_or_y + fudge) >= child_start)
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second_resizee = &child;
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second = &child;
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return IterationDecision::Continue;
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return IterationDecision::Continue;
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});
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});
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ASSERT(first_resizee && second_resizee);
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ASSERT(first);
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m_first_resizee = first_resizee->make_weak_ptr();
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ASSERT(second);
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m_second_resizee = second_resizee->make_weak_ptr();
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}
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m_first_resizee_start_size = first_resizee->size();
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m_second_resizee_start_size = second_resizee->size();
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void Splitter::mousedown_event(MouseEvent& event)
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{
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if (event.button() != MouseButton::Left)
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return;
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m_resizing = true;
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Widget* first { nullptr };
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Widget* second { nullptr };
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get_resize_candidates_at(event.position(), first, second);
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m_first_resizee = first->make_weak_ptr();
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m_second_resizee = second->make_weak_ptr();
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m_first_resizee_start_size = first->size();
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m_second_resizee_start_size = second->size();
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m_resize_origin = event.position();
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m_resize_origin = event.position();
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}
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}
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@ -45,6 +45,8 @@ protected:
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virtual void leave_event(Core::Event&) override;
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virtual void leave_event(Core::Event&) override;
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private:
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private:
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void get_resize_candidates_at(const Gfx::Point&, Widget*&, Widget*&);
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Orientation m_orientation;
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Orientation m_orientation;
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bool m_resizing { false };
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bool m_resizing { false };
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Gfx::Point m_resize_origin;
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Gfx::Point m_resize_origin;
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