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[escher] Fix underscore replacement for subscript insertion in textfield

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This commit is contained in:
Émilie Feral
2018-05-17 16:42:42 +02:00
committed by LeaNumworks
parent 8541c2cb7e
commit b2b141aae4
1 changed files with 9 additions and 3 deletions
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12
escher/src/text_field.cpp
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@@ -313,12 +313,18 @@ bool TextField::handleEventWithText(const char * eventText, bool indentation, bo
* such a subscript should be written using parentheses. For instance: "u_{n}"
* should be inserted as "u(n)".
* We thus remove underscores and changes brackets into parentheses. */
bool specialUnderScore = false;
for (size_t i = bufferIndex; i < eventTextSize; i++) {
if (eventText[i] == '{') {
if (eventText[i] == '_') {
specialUnderScore = ((i < eventTextSize - 1) && (eventText[i+1] == '{')) ? true : false;
if (!specialUnderScore) {
buffer[bufferIndex++] = '_';
}
} else if (eventText[i] == '{' && specialUnderScore) {
buffer[bufferIndex++] = '(';
} else if (eventText[i] == '}') {
} else if (eventText[i] == '}' && specialUnderScore) {
buffer[bufferIndex++] = ')';
} else if (eventText[i] == '_') {
specialUnderScore = false;
} else {
buffer[bufferIndex++] = eventText[i];
}