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Handle plain text in clipboard

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This does not word-wrap single lines of text at all, it assumes the
plain text is in a neat block with newlines at the end of each line.

We can't yet handle non-ASCII Unicode characters as that will need
further work on the keymapping tables.
This commit is contained in:
G.K.MacGregor
2021-05-18 22:03:08 +01:00
parent 3906bfde80
commit a66474b7cf
2 changed files with 40 additions and 5 deletions
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28
levelonecommands.cpp
View File

@@ -26,6 +26,7 @@
#include "levelonecommands.h"
#include "document.h"
#include "keymap.h"
LevelOneCommand::LevelOneCommand(TeletextDocument *teletextDocument, QUndoCommand *parent) : QUndoCommand(parent)
{
@@ -417,6 +418,7 @@ PasteCommand::PasteCommand(TeletextDocument *teletextDocument, QUndoCommand *par
m_clipboardDataHeight = m_clipboardDataWidth = 0;
// Try to get something from the clipboard
// FIXME is this a correct "custom" mime type? Or should we use vnd?
nativeData = mimeData->data("application/x-teletext");
if (nativeData.size() > 2) {
// Native clipboard data: we put it there ourselves
@@ -430,9 +432,26 @@ PasteCommand::PasteCommand(TeletextDocument *teletextDocument, QUndoCommand *par
else
// Invalidate
m_clipboardDataHeight = m_clipboardDataWidth = 0;
} else if (mimeData->hasText()) {
// Plain text
QStringList plainTextData = mimeData->text().split(QRegExp("\n|\r\n|\r"));
m_clipboardDataHeight = plainTextData.size();
m_clipboardDataWidth = 0;
for (int r=0; r<m_clipboardDataHeight; r++) {
m_pastingCharacters.append(QByteArray());
for (int c=0; c<plainTextData.at(r).size(); c++)
// TODO deal with Unicode properly
m_pastingCharacters[r].append(keymapping[12].value(plainTextData.at(r).at(c), *qPrintable(plainTextData.at(r).at(c))));
m_clipboardDataWidth = qMax(m_pastingCharacters.at(r).size(), m_clipboardDataWidth);
}
// Pad short lines with spaces to make a box
for (int r=0; r<m_clipboardDataHeight; r++)
m_pastingCharacters[r] = m_pastingCharacters.at(r).leftJustified(m_clipboardDataWidth);
}
if (m_clipboardDataWidth == 0)
if (m_clipboardDataWidth == 0 || m_clipboardDataHeight == 0)
return;
if (m_selectionActive) {
@@ -468,7 +487,7 @@ PasteCommand::PasteCommand(TeletextDocument *teletextDocument, QUndoCommand *par
void PasteCommand::redo()
{
if (m_clipboardDataWidth == 0)
if (m_clipboardDataWidth == 0 || m_clipboardDataHeight == 0)
return;
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
@@ -508,7 +527,7 @@ void PasteCommand::redo()
void PasteCommand::undo()
{
if (m_clipboardDataWidth == 0)
if (m_clipboardDataWidth == 0 || m_clipboardDataHeight == 0)
return;
m_teletextDocument->selectSubPageIndex(m_subPageIndex);
@@ -528,6 +547,9 @@ void PasteCommand::undo()
arrayR++;
}
if (!m_selectionActive)
m_teletextDocument->moveCursor(m_row, m_column);
}
#endif // !QT_NO_CLIPBOARD