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[escher] Fix bug due to int32 overflow

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Change-Id: If9760bd9082b7e3f8ebea04cef1df63bae39a2a6
This commit is contained in:
Émilie Feral
2017-09-27 17:24:27 +02:00
committed by EmilieNumworks
parent 2ec4b6354d
commit 4e5b68b45d
1 changed files with 3 additions and 2 deletions
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5
escher/src/text_area.cpp
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@@ -304,6 +304,7 @@ TextArea::TextArea(Responder * parentResponder, char * textBuffer,
m_contentView(textBuffer, textBufferSize, fontSize, textColor, backgroundColor),
m_delegate(delegate)
{
assert(textBufferSize < INT_MAX/2);
}
bool TextArea::TextArea::handleEvent(Ion::Events::Event event) {
@@ -316,9 +317,9 @@ bool TextArea::TextArea::handleEvent(Ion::Events::Event event) {
} else if (event == Ion::Events::Down) {
m_contentView.moveCursorGeo(0, 1);
} else if (event == Ion::Events::Origin) {
m_contentView.moveCursorGeo(-INT_MAX, 0);
m_contentView.moveCursorGeo(-INT_MAX/2, 0);
} else if (event == Ion::Events::End) {
m_contentView.moveCursorGeo(INT_MAX, 0);
m_contentView.moveCursorGeo(INT_MAX/2, 0);
} else if (event == Ion::Events::Backspace) {
m_contentView.removeChar();
} else if (event.hasText()) {