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#pragma once
#include "Widget.hpp"
#include <vector>
#include <memory>
namespace gsr {
class List : public Widget {
public:
enum class Orientation {
VERTICAL,
HORIZONTAL
};
enum class Alignment {
START,
CENTER,
END
};
List(Orientation orientation, Alignment content_alignment = Alignment::START);
List(const List&) = delete;
List& operator=(const List&) = delete;
bool on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) override;
void draw(mgl::Window &window, mgl::vec2f offset) override;
//void remove_child_widget(Widget *widget) override;
// Might not take effect immediately but at the next draw iteration if inside an event loop
void add_widget(std::unique_ptr<Widget> widget);
// Might not take effect immediately but at the next draw iteration if inside an event loop
void remove_widget(Widget *widget);
// Excludes widgets from queue
const std::vector<std::unique_ptr<Widget>>& get_child_widgets() const;
// Returns nullptr if index is invalid
Widget* get_child_widget_by_index(size_t index) const;
void set_spacing(float spacing);
mgl::vec2f get_size() override;
private:
void update();
void remove_widget_immediate(Widget *widget);
protected:
std::vector<std::unique_ptr<Widget>> widgets;
std::vector<std::unique_ptr<Widget>> add_queue;
std::vector<Widget*> remove_queue;
Orientation orientation;
Alignment content_alignment;
bool inside_event_handler = false;
float spacing_scale = 0.009f;
};
}
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