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8f5708a882
Calculate correct height for tooltip and apply consistent padding. Ensure tooltip width and height do not exceed size of screen.
128 lines
3.2 KiB
C++
128 lines
3.2 KiB
C++
#include "tooltips.h"
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#include <game/client/render.h>
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#include <game/client/ui.h>
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CTooltips::CTooltips()
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{
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OnReset();
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}
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void CTooltips::OnReset()
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{
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m_HoverTime = -1;
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m_Tooltips.clear();
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}
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void CTooltips::SetActiveTooltip(CTooltip &Tooltip)
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{
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if(m_ActiveTooltip.has_value())
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return;
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m_ActiveTooltip.emplace(Tooltip);
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m_HoverTime = time_get();
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}
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inline void CTooltips::ClearActiveTooltip()
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{
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m_ActiveTooltip.reset();
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}
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void CTooltips::DoToolTip(const void *pID, const CUIRect *pNearRect, const char *pText, float WidthHint)
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{
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uintptr_t ID = reinterpret_cast<uintptr_t>(pID);
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const auto result = m_Tooltips.emplace(ID, CTooltip{
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*pNearRect,
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pText,
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WidthHint,
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false});
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CTooltip &Tooltip = result.first->second;
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if(!result.second)
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{
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Tooltip.m_Rect = *pNearRect; // update in case of window resize
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Tooltip.m_pText = pText; // update in case of language change
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}
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Tooltip.m_OnScreen = true;
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if(UI()->MouseInside(&Tooltip.m_Rect))
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{
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SetActiveTooltip(Tooltip);
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}
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}
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void CTooltips::OnRender()
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{
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if(m_ActiveTooltip.has_value())
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{
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CTooltip &Tooltip = m_ActiveTooltip.value();
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if(!UI()->MouseInside(&Tooltip.m_Rect))
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{
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Tooltip.m_OnScreen = false;
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ClearActiveTooltip();
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return;
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}
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if(!Tooltip.m_OnScreen)
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return;
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// Delay tooltip until 1 second passed.
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if(m_HoverTime > time_get() - time_freq())
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return;
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constexpr float FontSize = 14.0f;
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constexpr float Margin = 5.0f;
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constexpr float Padding = 5.0f;
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CUIRect Rect;
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if(Tooltip.m_WidthHint < 0.0f)
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{
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const STextBoundingBox BoundingBox = TextRender()->TextBoundingBox(FontSize, Tooltip.m_pText);
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Rect.w = BoundingBox.m_W + 2 * Padding;
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Rect.h = BoundingBox.m_H + 2 * Padding;
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}
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else
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{
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const STextBoundingBox BoundingBox = TextRender()->TextBoundingBox(FontSize, Tooltip.m_pText, -1, Tooltip.m_WidthHint);
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Rect.w = Tooltip.m_WidthHint;
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Rect.h = BoundingBox.m_H;
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}
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const CUIRect *pScreen = UI()->Screen();
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Rect.w = minimum(Rect.w, pScreen->w - 2 * Margin);
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Rect.h = minimum(Rect.h, pScreen->h - 2 * Margin);
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// Try the top side.
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if(Tooltip.m_Rect.y - Rect.h - Margin > pScreen->y)
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{
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Rect.x = clamp(UI()->MouseX() - Rect.w / 2.0f, Margin, pScreen->w - Rect.w - Margin);
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Rect.y = Tooltip.m_Rect.y - Rect.h - Margin;
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}
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// Try the bottom side.
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else if(Tooltip.m_Rect.y + Tooltip.m_Rect.h + Margin < pScreen->h)
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{
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Rect.x = clamp(UI()->MouseX() - Rect.w / 2.0f, Margin, pScreen->w - Rect.w - Margin);
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Rect.y = Tooltip.m_Rect.y + Tooltip.m_Rect.h + Margin;
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}
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// Try the right side.
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else if(Tooltip.m_Rect.x + Tooltip.m_Rect.w + Margin + Rect.w < pScreen->w)
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{
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Rect.x = Tooltip.m_Rect.x + Tooltip.m_Rect.w + Margin;
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Rect.y = clamp(UI()->MouseY() - Rect.h / 2.0f, Margin, pScreen->h - Rect.h - Margin);
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}
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// Try the left side.
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else if(Tooltip.m_Rect.x - Rect.w - Margin > pScreen->x)
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{
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Rect.x = Tooltip.m_Rect.x - Rect.w - Margin;
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Rect.y = clamp(UI()->MouseY() - Rect.h / 2.0f, Margin, pScreen->h - Rect.h - Margin);
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}
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Rect.Draw(ColorRGBA(0.2f, 0.2f, 0.2f, 0.8f), IGraphics::CORNER_ALL, Padding);
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Rect.Margin(Padding, &Rect);
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UI()->DoLabel(&Rect, Tooltip.m_pText, FontSize, TEXTALIGN_ML);
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Tooltip.m_OnScreen = false;
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}
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}
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