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https://github.com/UpsilonNumworks/Upsilon.git
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f66bde6d31
Change the way the clipboard is fetched, so as to preserve the Poincare/Python translation feature, and remove the cap on the length of text being imported into the simulator. Change-Id: I0f3e83c0c8aa4b64eb08d882aa6891b31f191e22
56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
#include <escher/clipboard.h>
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#include <escher/text_field.h>
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#include <ion/clipboard.h>
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#include <algorithm>
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static Clipboard s_clipboard;
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Clipboard * Clipboard::sharedClipboard() {
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return &s_clipboard;
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}
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void Clipboard::store(const char * storedText, int length) {
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strlcpy(m_textBuffer, storedText, length == -1 ? TextField::maxBufferSize() : std::min(TextField::maxBufferSize(), length + 1));
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Ion::Clipboard::write(m_textBuffer);
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}
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const char * Clipboard::storedText() {
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const char * systemText = Ion::Clipboard::read();
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if (systemText) {
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return systemText;
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}
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/* In order to allow copy/paste of empty formulas, we need to add empty
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* layouts between empty system parenthesis. This way, when the expression
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* is parsed, it is recognized as a proper formula and appears with the correct
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* visual layout.
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* Without this process, copying an empty integral then pasting it gives :
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* int((), x, (), ()) instead of drawing an empty integral.
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*
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* Furthermore, in case the user switches from linear to natural writing mode
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* we need to add an empty layout between parenthesis to allow proper layout
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* construction. */
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constexpr int numberOfPairs = 6;
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constexpr UTF8Helper::TextPair textPairs[numberOfPairs] = {
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UTF8Helper::TextPair("()", "(\x11)"),
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UTF8Helper::TextPair("[]", "[\x11]"),
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UTF8Helper::TextPair("[,", "[\x11,"),
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UTF8Helper::TextPair(",,", ",\x11,"),
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UTF8Helper::TextPair(",]", ",\x11]"),
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UTF8Helper::TextPair("\x12\x13", "\x12\x11\x13"),
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};
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UTF8Helper::TryAndReplacePatternsInStringByPatterns(m_textBuffer, TextField::maxBufferSize(), (UTF8Helper::TextPair *) &textPairs, numberOfPairs, true);
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return m_textBuffer;
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}
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void Clipboard::reset() {
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strlcpy(m_textBuffer, "", 1);
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/* As we do not want to empty the user's computer's clipboard when entering
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* exam mode, we do not reset Ion::Clipboard. */
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}
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void Clipboard::replaceCharForPython(bool entersPythonApp) {
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UTF8Helper::TryAndReplacePatternsInStringByPatterns((char *)m_textBuffer, TextField::maxBufferSize(), (UTF8Helper::TextPair *)&PythonTextPairs, NumberOfPythonTextPairs, entersPythonApp);
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}
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