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https://port.numenaute.org/aleajactaest/khanat-code-old.git
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Changed: #1307 Added undo/redo for Phrase Editor. Works great
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parent
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commit
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2 changed files with 22 additions and 55 deletions
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@ -60,6 +60,7 @@ void CEditorPhrase::open(QString filename)
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editor_type = Constants::ED_PHRASE;
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editor_type = Constants::ED_PHRASE;
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current_file = filename;
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current_file = filename;
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connect(text_edit->document(), SIGNAL(contentsChanged()), this, SLOT(docContentsChanged()));
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connect(text_edit->document(), SIGNAL(contentsChanged()), this, SLOT(docContentsChanged()));
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connect(text_edit->document(), SIGNAL(undoCommandAdded()), this, SLOT(newUndoCommandAdded()));
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} else {
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} else {
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QErrorMessage error;
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QErrorMessage error;
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error.showMessage("This file is not a phrase file.");
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error.showMessage("This file is not a phrase file.");
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@ -67,6 +68,11 @@ void CEditorPhrase::open(QString filename)
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}
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}
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}
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}
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void CEditorPhrase::newUndoCommandAdded()
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{
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current_stack->push(new CUndoPhraseNewCommand(text_edit));
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}
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/* void CTextEdit::keyPressEvent(QKeyEvent *event)
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/* void CTextEdit::keyPressEvent(QKeyEvent *event)
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{
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{
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QString chars = event->text();
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QString chars = event->text();
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@ -43,7 +43,10 @@ class CTextEdit : public QTextEdit
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private:
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private:
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QUndoStack* m_undoStack;
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QUndoStack* m_undoStack;
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public:
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public:
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CTextEdit(QWidget* parent = 0) : QTextEdit(parent) { }
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CTextEdit(QWidget* parent = 0) : QTextEdit(parent)
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{
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setUndoRedoEnabled(true);
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}
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//void keyPressEvent(QKeyEvent *event);
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//void keyPressEvent(QKeyEvent *event);
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void setUndoStack(QUndoStack* undoStack)
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void setUndoStack(QUndoStack* undoStack)
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{
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{
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@ -66,73 +69,31 @@ public:
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void closeEvent(QCloseEvent *event);
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void closeEvent(QCloseEvent *event);
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public Q_SLOTS:
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public Q_SLOTS:
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void docContentsChanged();
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void docContentsChanged();
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void newUndoCommandAdded();
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};
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};
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class CUndoPhraseInsertCommand : public QUndoCommand
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class CUndoPhraseNewCommand : public QUndoCommand
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{
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{
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public:
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public:
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CUndoPhraseInsertCommand(int index, const QString &chars, QTextEdit *document, QUndoCommand *parent = 0) : QUndoCommand("Insert characters", parent),
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CUndoPhraseNewCommand(CTextEdit *textEdit, QUndoCommand *parent = 0)
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m_index(index),
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: QUndoCommand("Inserting/Removing characters", parent),
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m_chars(chars),
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m_textEdit(textEdit)
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m_document(document)
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{ }
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virtual void redo()
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{
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QString text = m_document->toPlainText();
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text.insert(m_index, m_chars);
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m_document->clear();
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m_document->setPlainText(text);
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}
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virtual void undo()
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{
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QString text = m_document->toPlainText();
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text.remove(m_index, m_chars.length());
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m_document->clear();
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m_document->setPlainText(text);
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m_document->undo();
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}
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private:
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int m_index;
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QString m_chars;
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QTextEdit* m_document;
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};
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class CUndoPhraseRemoveCommand : public QUndoCommand
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{
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public:
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CUndoPhraseRemoveCommand(int index, int count, QTextEdit *document, QUndoCommand *parent = 0) : QUndoCommand("Remove characters", parent),
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m_index(index),
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m_count(count),
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m_document(document)
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{ }
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{ }
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virtual void redo()
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~CUndoPhraseNewCommand() {}
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void undo()
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{
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{
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QString text = m_document->toPlainText();
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m_textEdit->undo();
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m_removedChars = text.mid(m_index, m_count);
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text.remove(m_index, m_count);
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m_document->clear();
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m_document->setPlainText(text);
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}
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}
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virtual void undo()
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void redo()
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{
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{
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QString text = m_document->toPlainText();
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m_textEdit->redo();
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text.insert(m_index, m_removedChars);
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m_document->clear();
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m_document->setPlainText(text);
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}
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}
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private:
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private:
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int m_index;
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CTextEdit* m_textEdit;
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int m_count;
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QString m_removedChars;
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QTextEdit* m_document;
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};
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};
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class SyntaxHighlighter : public QSyntaxHighlighter
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class SyntaxHighlighter : public QSyntaxHighlighter
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