100 lines
2.3 KiB
C++
100 lines
2.3 KiB
C++
#pragma once
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#include "ui/object.hpp"
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namespace sphaira::ui {
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struct List final : Object {
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enum class Layout {
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HOME,
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GRID,
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};
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using Callback = std::function<void(NVGcontext* vg, Theme* theme, Vec4 v, s64 index)>;
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using TouchCallback = std::function<void(bool touch, s64 index)>;
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List(s64 row, s64 page, const Vec4& pos, const Vec4& v, const Vec2& pad = {});
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void OnUpdate(Controller* controller, TouchInfo* touch, s64 index, s64 count, TouchCallback callback);
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void Draw(NVGcontext* vg, Theme* theme, s64 count, Callback callback) const;
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auto SetScrollBarPos(float x, float y, float h) {
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m_scrollbar.x = x;
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m_scrollbar.y = y;
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m_scrollbar.h = h;
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}
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auto ScrollDown(s64& index, s64 step, s64 count) -> bool;
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auto ScrollUp(s64& index, s64 step, s64 count) -> bool;
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auto GetYoff() const {
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return m_yoff;
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}
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void SetYoff(float y = 0) {
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m_yoff = y;
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}
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auto GetMaxY() const {
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return m_v.h + m_pad.y;
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}
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auto GetMaxX() const {
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return m_v.w + m_pad.x;
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}
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auto GetLayout() const {
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return m_layout;
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}
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void SetLayout(Layout layout) {
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m_layout = layout;
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}
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auto GetRow() const {
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return m_row;
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}
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auto GetPage() const {
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return m_page;
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}
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auto SetPageJump(bool enable) {
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m_page_jump = enable;
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}
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auto GetPageJump() const {
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return m_page_jump;
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}
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private:
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auto Draw(NVGcontext* vg, Theme* theme) -> void override {}
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auto ClampX(float x, s64 count) const -> float;
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auto ClampY(float y, s64 count) const -> float;
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void OnUpdateHome(Controller* controller, TouchInfo* touch, s64 index, s64 count, TouchCallback callback);
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void OnUpdateGrid(Controller* controller, TouchInfo* touch, s64 index, s64 count, TouchCallback callback);
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void DrawHome(NVGcontext* vg, Theme* theme, s64 count, Callback callback) const;
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void DrawGrid(NVGcontext* vg, Theme* theme, s64 count, Callback callback) const;
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private:
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const s64 m_row;
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const s64 m_page;
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Vec4 m_v{};
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Vec2 m_pad{};
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Vec4 m_scrollbar{};
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// current y offset.
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float m_yoff{};
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// in progress y offset, used when scrolling.
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float m_y_prog{};
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Layout m_layout{Layout::GRID};
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bool m_page_jump{true};
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};
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} // namespace sphaira::ui
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