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open file file content goes into default tab
Signed-off-by: Remisa Yousefvand <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| #include "codeeditor.h" | ||
| #include <QPainter> | ||
| #include <QTextBlock> | ||
|
|
||
| CodeEditor::CodeEditor(QWidget *parent) | ||
| : QPlainTextEdit(parent), lineNumberArea(new LineNumberArea(this)) | ||
| { | ||
| // Set text color to black | ||
| QPalette p = this->palette(); | ||
| p.setColor(QPalette::Text, Qt::black); | ||
| this->setPalette(p); | ||
|
|
||
| // Set background color to white | ||
| this->setStyleSheet("QPlainTextEdit { background-color: white; }"); | ||
|
|
||
| // Set a monospaced font | ||
| QFont font; | ||
| font.setFamily("Sans Serif"); // Monospaced font | ||
| font.setFixedPitch(true); | ||
| font.setPointSize(12); // Adjust size if necessary | ||
| this->setFont(font); | ||
|
|
||
| connect(this, &CodeEditor::blockCountChanged, this, &CodeEditor::updateLineNumberAreaWidth); | ||
| connect(this, &CodeEditor::updateRequest, this, &CodeEditor::updateLineNumberArea); | ||
| connect(this, &CodeEditor::cursorPositionChanged, this, &CodeEditor::highlightCurrentLine); | ||
|
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||
| updateLineNumberAreaWidth(0); | ||
| highlightCurrentLine(); | ||
| } | ||
|
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||
| int CodeEditor::lineNumberAreaWidth() | ||
| { | ||
| int digits = 1; | ||
| int max = qMax(1, blockCount()); | ||
| while (max >= 10) { | ||
| max /= 10; | ||
| ++digits; | ||
| } | ||
|
|
||
| // Ensure there's enough space for numbers | ||
| int space = 5 + fontMetrics().horizontalAdvance(QLatin1Char('9')) * digits; | ||
|
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| return space; | ||
| } | ||
|
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||
| void CodeEditor::updateLineNumberAreaWidth(int /* newBlockCount */) | ||
| { | ||
| setViewportMargins(lineNumberAreaWidth(), 0, 0, 0); | ||
| } | ||
|
|
||
| void CodeEditor::updateLineNumberArea(const QRect &rect, int dy) | ||
| { | ||
| if (dy) | ||
| lineNumberArea->scroll(0, dy); | ||
| else | ||
| lineNumberArea->update(0, rect.y(), lineNumberArea->width(), rect.height()); | ||
|
|
||
| if (rect.contains(viewport()->rect())) | ||
| updateLineNumberAreaWidth(0); | ||
| } | ||
|
|
||
| void CodeEditor::resizeEvent(QResizeEvent *e) | ||
| { | ||
| QPlainTextEdit::resizeEvent(e); | ||
|
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||
| QRect cr = contentsRect(); | ||
| lineNumberArea->setGeometry(QRect(cr.left(), cr.top(), lineNumberAreaWidth(), cr.height())); | ||
| } | ||
|
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||
| void CodeEditor::highlightCurrentLine() | ||
| { | ||
| QList<QTextEdit::ExtraSelection> extraSelections; | ||
|
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| if (!isReadOnly()) { | ||
| QTextEdit::ExtraSelection selection; | ||
|
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| QColor lineColor = QColor(Qt::yellow).lighter(160); | ||
|
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| selection.format.setBackground(lineColor); | ||
| selection.format.setProperty(QTextFormat::FullWidthSelection, true); | ||
| selection.cursor = textCursor(); | ||
| selection.cursor.clearSelection(); | ||
| extraSelections.append(selection); | ||
| } | ||
|
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||
| setExtraSelections(extraSelections); | ||
| } | ||
|
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||
| void CodeEditor::lineNumberAreaPaintEvent(QPaintEvent *event) | ||
| { | ||
| QPainter painter(lineNumberArea); | ||
| painter.fillRect(event->rect(), Qt::lightGray); | ||
|
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||
| QTextBlock block = firstVisibleBlock(); | ||
| int blockNumber = block.blockNumber(); | ||
| int top = static_cast<int>(blockBoundingGeometry(block).translated(contentOffset()).top()); | ||
| int bottom = top + static_cast<int>(blockBoundingRect(block).height()); | ||
|
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||
| // Get the current line number | ||
| int currentLineNumber = textCursor().blockNumber(); | ||
|
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||
| // Loop through each block and draw line numbers | ||
| while (block.isValid() && top <= event->rect().bottom()) { | ||
| if (block.isVisible() && bottom >= event->rect().top()) { | ||
| QString number = QString::number(blockNumber + 1); | ||
|
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||
| // Check if this is the current line | ||
| if (blockNumber == currentLineNumber) { | ||
| // Set bold font for the current line number | ||
| QFont boldFont = painter.font(); | ||
| boldFont.setBold(true); | ||
| painter.setFont(boldFont); | ||
| painter.setPen(Qt::blue); // Optional: change color for current line number | ||
| } else { | ||
| // Use normal font for other line numbers | ||
| painter.setFont(QFont()); | ||
| painter.setPen(Qt::black); | ||
| } | ||
|
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||
| // Draw the line number | ||
| painter.drawText(-5, top, lineNumberArea->width(), fontMetrics().height(), | ||
| Qt::AlignRight | Qt::AlignVCenter, number); | ||
|
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||
| // Check if the block has wrapped lines | ||
| QTextLayout *layout = block.layout(); | ||
| for (int i = 0; i < layout->lineCount(); ++i) { | ||
| QTextLine line = layout->lineAt(i); | ||
| int lineTop = top + static_cast<int>(line.y()); | ||
| int lineBottom = lineTop + static_cast<int>(line.height()); | ||
|
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||
| // If the line is within the visible area and it's not the first line, draw a return symbol | ||
| if (i > 0 && lineTop >= event->rect().top() && lineBottom <= event->rect().bottom()) { | ||
| painter.setPen(Qt::black); // Set color to black for the return symbol | ||
| painter.drawText(-5, lineTop, lineNumberArea->width(), fontMetrics().height(), | ||
| Qt::AlignRight | Qt::AlignVCenter, "↩"); | ||
| } | ||
| } | ||
| } | ||
|
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||
| block = block.next(); | ||
| top = bottom; | ||
| bottom = top + static_cast<int>(blockBoundingRect(block).height()); | ||
| ++blockNumber; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| #ifndef CODEEDITOR_H | ||
| #define CODEEDITOR_H | ||
|
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| #include <QPlainTextEdit> | ||
|
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| class QPaintEvent; | ||
| class QResizeEvent; | ||
| class QSize; | ||
| class QWidget; | ||
|
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| class LineNumberArea; | ||
|
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| class CodeEditor : public QPlainTextEdit | ||
| { | ||
| Q_OBJECT | ||
|
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| public: | ||
| CodeEditor(QWidget *parent = nullptr); | ||
|
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| void lineNumberAreaPaintEvent(QPaintEvent *event); | ||
| int lineNumberAreaWidth(); | ||
|
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| protected: | ||
| void resizeEvent(QResizeEvent *event) override; | ||
|
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| private slots: | ||
| void updateLineNumberAreaWidth(int newBlockCount); | ||
| void highlightCurrentLine(); | ||
| void updateLineNumberArea(const QRect &rect, int dy); | ||
|
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| private: | ||
| QWidget *lineNumberArea; | ||
| }; | ||
|
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| class LineNumberArea : public QWidget | ||
| { | ||
| public: | ||
| LineNumberArea(CodeEditor *editor) : QWidget(editor), codeEditor(editor) {} | ||
|
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| QSize sizeHint() const override | ||
| { | ||
| return QSize(codeEditor->lineNumberAreaWidth(), 0); | ||
| } | ||
|
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| protected: | ||
| void paintEvent(QPaintEvent *event) override | ||
| { | ||
| codeEditor->lineNumberAreaPaintEvent(event); | ||
| } | ||
|
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| private: | ||
| CodeEditor *codeEditor; | ||
| }; | ||
|
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||
| #endif // CODEEDITOR_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,54 +1,73 @@ | ||
| #include "document.h" | ||
| #include "codeeditor.h" // Updated to match the new filename | ||
| #include <QFile> | ||
| #include <QTextStream> | ||
| #include <QMessageBox> | ||
| #include <QFileInfo> | ||
| #include <QVBoxLayout> | ||
|
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||
| Document::Document(QWidget *parent) : QWidget(parent), filePath("") { | ||
| Document::Document(const QString &filePath, QWidget *parent) | ||
| : QWidget(parent), m_filePath(filePath), m_content("") { | ||
| editor = new CodeEditor(this); // Initialize the CodeEditor | ||
| QVBoxLayout *layout = new QVBoxLayout(this); // Create a vertical layout | ||
| layout->addWidget(editor); // Add the editor to the layout | ||
| setLayout(layout); // Set the layout for this Document widget | ||
|
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| if (!filePath.isEmpty()) { | ||
| openFile(filePath); // Open the file if a path is provided | ||
| } | ||
| } | ||
|
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| Document::Document(const QString &filePath, QWidget *parent) : QWidget(parent), filePath(filePath) { | ||
| editor = new CodeEditor(this); // Initialize the CodeEditor | ||
| QVBoxLayout *layout = new QVBoxLayout(this); // Create a vertical layout | ||
| layout->addWidget(editor); // Add the editor to the layout | ||
| setLayout(layout); // Set the layout for this Document widget | ||
| openFile(filePath); // Open the file | ||
| // Getter for m_filePath | ||
| QString Document::filePath() const { | ||
| return m_filePath; | ||
| } | ||
|
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| // Setter for m_filePath | ||
| void Document::setFilePath(const QString &path) { | ||
| m_filePath = path; | ||
| } | ||
|
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| // Getter for m_content | ||
| QString Document::content() const { | ||
| return m_content; | ||
| } | ||
|
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| // Setter for m_content | ||
| void Document::setContent(const QString &content) { | ||
| m_content = content; | ||
| editor->setPlainText(content); // Update the editor with the new content | ||
| } | ||
|
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| void Document::openFile(const QString &filePath) { | ||
| QFile file(filePath); | ||
| if (file.open(QIODevice::ReadOnly | QIODevice::Text)) { | ||
| QTextStream in(&file); | ||
| QString content = in.readAll(); | ||
| editor->setPlainText(content); // Set the editor's content | ||
| this->filePath = filePath; // Set file path | ||
| m_content = in.readAll(); | ||
| editor->setPlainText(m_content); // Set the editor's content | ||
| m_filePath = filePath; // Set file path | ||
| } else { | ||
| QMessageBox::warning(this, tr("Error"), tr("Cannot open file: ") + file.errorString()); | ||
| } | ||
| } | ||
|
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| void Document::saveFile() { | ||
| if (filePath.isEmpty()) { | ||
| if (m_filePath.isEmpty()) { | ||
| QMessageBox::warning(this, tr("Error"), tr("No file path associated with this document.")); | ||
| return; // No path to save | ||
| } | ||
|
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| QFile file(filePath); | ||
| QFile file(m_filePath); | ||
| if (file.open(QIODevice::WriteOnly | QIODevice::Text)) { | ||
| QTextStream out(&file); | ||
| out << editor->toPlainText(); // Get text from editor | ||
| file.close(); | ||
| m_content = editor->toPlainText(); // Update m_content | ||
| } else { | ||
| QMessageBox::warning(this, tr("Error"), tr("Cannot save file: ") + file.errorString()); | ||
| } | ||
| } | ||
|
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| void Document::saveFileAs(const QString &newFilePath) { | ||
| filePath = newFilePath; // Update the current file path | ||
| m_filePath = newFilePath; // Update the current file path | ||
| saveFile(); // Call saveFile to handle the saving | ||
| } |
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