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71 lines
2 KiB
C++
71 lines
2 KiB
C++
// SPDX-License-Identifier: MIT
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//
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// EmulationStation Desktop Edition
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// ScrollableContainer.h
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//
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// Component containing scrollable information, used for the game
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// description text in the scraper and gamelist views.
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//
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#ifndef ES_CORE_COMPONENTS_SCROLLABLE_CONTAINER_H
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#define ES_CORE_COMPONENTS_SCROLLABLE_CONTAINER_H
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// Time in ms to wait before scrolling starts.
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#define AUTO_SCROLL_DELAY 4500.0f
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// Time in ms before resetting to the top after we reach the bottom.
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#define AUTO_SCROLL_RESET_DELAY 7000.0f
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// Relative scrolling speed (lower is faster).
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#define AUTO_SCROLL_SPEED 4.0f
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#include "GuiComponent.h"
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#include "renderers/Renderer.h"
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class ScrollableContainer : public GuiComponent
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{
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public:
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ScrollableContainer();
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glm::vec2 getScrollPos() const { return mScrollPos; }
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void setScrollPos(const glm::vec2& pos) { mScrollPos = pos; }
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const bool isScrollable() const override { return true; }
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void setAutoScroll(bool autoScroll);
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void setScrollParameters(float autoScrollDelayConstant,
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float autoScrollResetDelayConstant,
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float autoScrollSpeedConstant) override;
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void reset();
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void applyTheme(const std::shared_ptr<ThemeData>& theme,
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const std::string& view,
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const std::string& element,
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unsigned int properties) override;
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void update(int deltaTime) override;
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void render(const glm::mat4& parentTrans) override;
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private:
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Renderer* mRenderer;
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glm::vec2 mScrollPos;
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glm::vec2 mScrollDir;
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float mAdjustedHeight;
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float mAutoScrollResetDelayConstant;
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float mAutoScrollDelayConstant;
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float mAutoScrollSpeedConstant;
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float mResolutionModifier;
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float mClipSpacing;
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int mAutoScrollDelay;
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int mAutoScrollSpeed;
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int mAutoScrollAccumulator;
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int mAutoScrollResetAccumulator;
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int mAdjustedAutoScrollSpeed;
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bool mVerticalSnap;
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bool mAtEnd;
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bool mUpdatedSize;
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};
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#endif // ES_CORE_COMPONENTS_SCROLLABLE_CONTAINER_H
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