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Support rendering tooltips with multiple lines of text

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Render tooltip text correctly with multiple lines when the maximum tooltip width is limited.

Add missing padding when rendering multi-line tooltip.

Update doxygen documentation.
This commit is contained in:
Robert Müller 2023-05-18 11:18:02 +02:00
parent 20032b5a24
commit ed09bba45a
2 changed files with 9 additions and 17 deletions
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19
src/game/client/components/tooltips.cpp
View file

@ -76,19 +76,10 @@ void CTooltips::OnRender()
constexpr float Margin = 5.0f;
constexpr float Padding = 5.0f;
const STextBoundingBox BoundingBox = TextRender()->TextBoundingBox(FontSize, Tooltip.m_pText, -1, Tooltip.m_WidthHint);
CUIRect Rect;
if(Tooltip.m_WidthHint < 0.0f)
{
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;
}
Rect.w = BoundingBox.m_W + 2 * Padding;
Rect.h = BoundingBox.m_H + 2 * Padding;
const CUIRect *pScreen = UI()->Screen();
Rect.w = minimum(Rect.w, pScreen->w - 2 * Margin);
@ -121,7 +112,9 @@ void CTooltips::OnRender()
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);
SLabelProperties Props;
Props.m_MaxWidth = Tooltip.m_WidthHint;
UI()->DoLabel(&Rect, Tooltip.m_pText, FontSize, TEXTALIGN_ML, Props);
Tooltip.m_OnScreen = false;
}
}

7
src/game/client/components/tooltips.h
View file

@ -46,11 +46,10 @@ public:
*
* 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
* @param pNearRect Place the tooltip near this rect.
* @param pText The text to display in the tooltip.
* @param WidthHint The maximum width of the tooltip, or -1.0f for unlimited.
*/
void DoToolTip(const void *pID, const CUIRect *pNearRect, const char *pText, float WidthHint = -1.0f);