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[apps] Sequence: add other sequence shortcuts in toolbox call from the

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This commit is contained in:
Émilie Feral
2017-12-15 10:54:17 +01:00
committed by EmilieNumworks
parent 80defaad50
commit 45908263ff
2 changed files with 23 additions and 3 deletions
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24
apps/sequence/list/sequence_toolbox.cpp
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@@ -1,4 +1,5 @@
#include "sequence_toolbox.h"
#include "../sequence_store.h"
#include "../../../poincare/src/layout/baseline_relative_layout.h"
#include "../../../poincare/src/layout/string_layout.h"
#include <assert.h>
@@ -74,9 +75,28 @@ void SequenceToolbox::setExtraCells(const char * sequenceName, int recurrenceDep
m_addedCellLayout[i] = nullptr;
}
}
m_numberOfAddedCells = recurrenceDepth;
/* If recurrenceDepth < 0, the user is setting the initial conditions so we
* do not want to add any cell in the toolbox. */
if (recurrenceDepth < 0) {
m_numberOfAddedCells = 0;
return;
}
/* The cells added reprensent the sequence at smaller ranks than its depth
* and the other sequence at ranks smaller or equal to the depth, ie:
* if the sequence is u(n+1), we add cells u(n), v(n), v(n+1).
* There is a special case for double recurrent sequences because we do not
* want to parse symbols u(n+2) or v(n+2). */
m_numberOfAddedCells = recurrenceDepth == 2 ? 2*recurrenceDepth : 2*recurrenceDepth+1;
int sequenceIndex = sequenceName == SequenceStore::k_sequenceNames[0] ? 0 : 1;
const char * otherSequenceName = SequenceStore::k_sequenceNames[1-sequenceIndex];
for (int j = 0; j < recurrenceDepth; j++) {
m_addedCellLayout[j] = new BaselineRelativeLayout(new StringLayout(sequenceName, 1, KDText::FontSize::Large), new StringLayout((char *)(j == 0? "n" : "n+1"), strlen((char *)(j == 0? "n" : "n+1")), KDText::FontSize::Small), BaselineRelativeLayout::Type::Subscript);
const char * indice = j == 0 ? "n" : "n+1";
m_addedCellLayout[j] = new BaselineRelativeLayout(new StringLayout(sequenceName, 1, KDText::FontSize::Large), new StringLayout(indice, strlen(indice), KDText::FontSize::Small), BaselineRelativeLayout::Type::Subscript);
m_addedCellLayout[j+recurrenceDepth] = new BaselineRelativeLayout(new StringLayout(otherSequenceName, 1, KDText::FontSize::Large), new StringLayout(indice, strlen(indice), KDText::FontSize::Small), BaselineRelativeLayout::Type::Subscript);
}
if (recurrenceDepth < 2) {
const char * indice = recurrenceDepth == 0 ? "n" : (recurrenceDepth == 1 ? "n+1" : "n+2");
m_addedCellLayout[2*recurrenceDepth] = new BaselineRelativeLayout(new StringLayout(otherSequenceName, 1, KDText::FontSize::Large), new StringLayout(indice, strlen(indice), KDText::FontSize::Small), BaselineRelativeLayout::Type::Subscript);
}
}