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d30e508bcd
StorageFunction instead of a Function The original controllers are to be deleted when Sequence uses Storage
36 lines
1.6 KiB
C++
36 lines
1.6 KiB
C++
#include "storage_function_banner_delegate.h"
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#include "poincare_helpers.h"
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#include "../constant.h"
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using namespace Poincare;
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namespace Shared {
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void StorageFunctionBannerDelegate::reloadBannerViewForCursorOnFunction(CurveViewCursor * cursor, StorageFunction * function, char symbol) {
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constexpr int bufferSize = k_maxNumberOfCharacters+PrintFloat::bufferSizeForFloatsWithPrecision(Constant::LargeNumberOfSignificantDigits);
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char buffer[bufferSize];
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const char * space = " ";
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int spaceLength = strlen(space);
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const char * legend = "0=";
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int legendLength = strlen(legend);
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int numberOfChar = 0;
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strlcpy(buffer, legend, legendLength+1);
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numberOfChar += legendLength;
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buffer[0] = symbol;
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numberOfChar += PoincareHelpers::ConvertFloatToText<double>(cursor->x(), buffer+numberOfChar, PrintFloat::bufferSizeForFloatsWithPrecision(Constant::MediumNumberOfSignificantDigits), Constant::MediumNumberOfSignificantDigits);
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strlcpy(buffer+numberOfChar, space, spaceLength+1);
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buffer[k_maxDigitLegendLength+2] = 0;
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bannerView()->setLegendAtIndex(buffer, 0);
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numberOfChar = 0;
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numberOfChar += function->nameWithArgument(buffer, bufferSize, symbol);
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legend = "=";
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numberOfChar += strlcpy(buffer+numberOfChar, legend, bufferSize-numberOfChar);
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numberOfChar += PoincareHelpers::ConvertFloatToText<double>(cursor->y(), buffer+numberOfChar, bufferSize-numberOfChar, Constant::MediumNumberOfSignificantDigits);
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strlcpy(buffer+numberOfChar, space, bufferSize-numberOfChar);
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buffer[k_maxDigitLegendLength+5] = 0;
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bannerView()->setLegendAtIndex(buffer, 1);
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}
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}
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