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Add GetLastItemHidden() to allow application to see whether a line has been hidden #295

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Add GetLastItemHidden() to allow application to see whether a line has been hidden #295

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7 changes: 7 additions & 0 deletions implot.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3558,6 +3558,13 @@ void HideNextItem(bool hidden, ImPlotCond cond) {
gp.NextItemData.HiddenCond = cond;
}

bool GetLastItemHidden() {
ImPlotContext& gp = *GImPlot;
if (gp.PreviousItem)
return !gp.PreviousItem->Show;
return false;
}

//-----------------------------------------------------------------------------
// [SECTION] Plot Tools
//-----------------------------------------------------------------------------
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2 changes: 2 additions & 0 deletions implot.h
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Expand Up @@ -825,6 +825,8 @@ IMPLOT_API void CancelPlotSelection();
// Hides or shows the next plot item (i.e. as if it were toggled from the legend).
// Use ImPlotCond_Always if you need to forcefully set this every frame.
IMPLOT_API void HideNextItem(bool hidden = true, ImPlotCond cond = ImPlotCond_Once);
// Returns true if the last plot item was hidden
IMPLOT_API bool GetLastItemHidden();

// Use the following around calls to Begin/EndPlot to align l/r/t/b padding.
// Consider using Begin/EndSubplots first. They are more feature rich and
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