ddnet/src/game/client/components/tooltips.h

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#ifndef GAME_CLIENT_COMPONENTS_TOOLTIPS_H
#define GAME_CLIENT_COMPONENTS_TOOLTIPS_H
#include <cstdint>
#include <game/client/component.h>
#include <game/client/ui.h>
#include <optional>
#include <unordered_map>
struct CTooltip
{
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CUIRect m_Rect;
const char *m_pText;
float m_WidthHint;
bool m_OnScreen; // used to know if the tooltip should be rendered.
};
/**
* A component that manages and renders UI tooltips.
*
* Should be among the last components to render.
*/
class CTooltips : public CComponent
{
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std::unordered_map<uintptr_t, CTooltip> m_Tooltips;
std::optional<std::reference_wrapper<CTooltip>> m_ActiveTooltip;
int64_t m_HoverTime;
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/**
* The passed tooltip is only actually set if there is no currently active tooltip.
*
* @param Tooltip A reference to the tooltip that should be active.
*/
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void SetActiveTooltip(CTooltip &Tooltip);
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inline void ClearActiveTooltip();
public:
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CTooltips();
virtual int Sizeof() const override { return sizeof(*this); }
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/**
* Adds the tooltip to a cache and renders it when active.
*
* On the first call to this function, the data passed is cached, afterwards the calls are used to detect if the tooltip should be activated.
*
* For now only works correctly with single line tooltips, since Text width calculation gets broken when there are multiple lines.
*
* @param pID The ID of the tooltip. Usually a reference to some g_Config value.
* @param pNearTo Place the tooltip near this rect.
* @param pText The text to display in the tooltip
*/
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void DoToolTip(const void *pID, const CUIRect *pNearRect, const char *pText, float WidthHint = -1.0f);
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virtual void OnReset() override;
virtual void OnRender() override;
};
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#endif