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Use TextBoundingBox for tooltip rendering

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Calculate correct height for tooltip and apply consistent padding.

Ensure tooltip width and height do not exceed size of screen.
This commit is contained in:
Robert Müller 2023-04-10 16:36:13 +02:00
parent a6f9fdd6d5
commit 8f5708a882
1 changed files with 31 additions and 19 deletions
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50
src/game/client/components/tooltips.cpp
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@ -72,44 +72,56 @@ void CTooltips::OnRender()
if(m_HoverTime > time_get() - time_freq())
return;
const float MARGIN = 5.0f;
constexpr float FontSize = 14.0f;
constexpr float Margin = 5.0f;
constexpr float Padding = 5.0f;
CUIRect Rect;
Rect.w = Tooltip.m_WidthHint;
if(Tooltip.m_WidthHint < 0.0f)
Rect.w = TextRender()->TextWidth(14.0f, Tooltip.m_pText, -1, -1.0f) + 4.0f;
Rect.h = 30.0f;
{
const STextBoundingBox BoundingBox = TextRender()->TextBoundingBox(FontSize, Tooltip.m_pText);
Rect.w = BoundingBox.m_W + 2 * Padding;
Rect.h = BoundingBox.m_H + 2 * Padding;
}
else
{
const STextBoundingBox BoundingBox = TextRender()->TextBoundingBox(FontSize, Tooltip.m_pText, -1, Tooltip.m_WidthHint);
Rect.w = Tooltip.m_WidthHint;
Rect.h = BoundingBox.m_H;
}
const CUIRect *pScreen = UI()->Screen();
Rect.w = minimum(Rect.w, pScreen->w - 2 * Margin);
Rect.h = minimum(Rect.h, pScreen->h - 2 * Margin);
// Try the top side.
if(Tooltip.m_Rect.y - Rect.h - MARGIN > pScreen->y)
if(Tooltip.m_Rect.y - Rect.h - Margin > pScreen->y)
{
Rect.x = clamp(UI()->MouseX() - Rect.w / 2.0f, MARGIN, pScreen->w - Rect.w - MARGIN);
Rect.y = Tooltip.m_Rect.y - Rect.h - MARGIN;
Rect.x = clamp(UI()->MouseX() - Rect.w / 2.0f, Margin, pScreen->w - Rect.w - Margin);
Rect.y = Tooltip.m_Rect.y - Rect.h - Margin;
}
// Try the bottom side.
else if(Tooltip.m_Rect.y + Tooltip.m_Rect.h + MARGIN < pScreen->h)
else if(Tooltip.m_Rect.y + Tooltip.m_Rect.h + Margin < pScreen->h)
{
Rect.x = clamp(UI()->MouseX() - Rect.w / 2.0f, MARGIN, pScreen->w - Rect.w - MARGIN);
Rect.y = Tooltip.m_Rect.y + Tooltip.m_Rect.h + MARGIN;
Rect.x = clamp(UI()->MouseX() - Rect.w / 2.0f, Margin, pScreen->w - Rect.w - Margin);
Rect.y = Tooltip.m_Rect.y + Tooltip.m_Rect.h + Margin;
}
// Try the right side.
else if(Tooltip.m_Rect.x + Tooltip.m_Rect.w + MARGIN + Rect.w < pScreen->w)
else if(Tooltip.m_Rect.x + Tooltip.m_Rect.w + Margin + Rect.w < pScreen->w)
{
Rect.x = Tooltip.m_Rect.x + Tooltip.m_Rect.w + MARGIN;
Rect.y = clamp(UI()->MouseY() - Rect.h / 2.0f, MARGIN, pScreen->h - Rect.h - MARGIN);
Rect.x = Tooltip.m_Rect.x + Tooltip.m_Rect.w + Margin;
Rect.y = clamp(UI()->MouseY() - Rect.h / 2.0f, Margin, pScreen->h - Rect.h - Margin);
}
// Try the left side.
else if(Tooltip.m_Rect.x - Rect.w - MARGIN > pScreen->x)
else if(Tooltip.m_Rect.x - Rect.w - Margin > pScreen->x)
{
Rect.x = Tooltip.m_Rect.x - Rect.w - MARGIN;
Rect.y = clamp(UI()->MouseY() - Rect.h / 2.0f, MARGIN, pScreen->h - Rect.h - MARGIN);
Rect.x = Tooltip.m_Rect.x - Rect.w - Margin;
Rect.y = clamp(UI()->MouseY() - Rect.h / 2.0f, Margin, pScreen->h - Rect.h - Margin);
}
Rect.Draw(ColorRGBA(0.2, 0.2, 0.2, 0.80f), IGraphics::CORNER_ALL, 5.0f);
Rect.Margin(2.0f, &Rect);
UI()->DoLabel(&Rect, Tooltip.m_pText, 14.0f, TEXTALIGN_ML);
Rect.Draw(ColorRGBA(0.2f, 0.2f, 0.2f, 0.8f), IGraphics::CORNER_ALL, Padding);
Rect.Margin(Padding, &Rect);
UI()->DoLabel(&Rect, Tooltip.m_pText, FontSize, TEXTALIGN_ML);
Tooltip.m_OnScreen = false;
}
}