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| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** This file is part of the QtWidgets module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #ifndef QPLAINTEXTEDIT_P_H |
| #define QPLAINTEXTEDIT_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "private/qabstractscrollarea_p.h" |
| #include "QtGui/qtextdocumentfragment.h" |
| #include "QtWidgets/qscrollbar.h" |
| #include "QtGui/qtextcursor.h" |
| #include "QtGui/qtextformat.h" |
| #include "QtWidgets/qmenu.h" |
| #include "QtGui/qabstracttextdocumentlayout.h" |
| #include "QtCore/qbasictimer.h" |
| #include "private/qwidgettextcontrol_p.h" |
| #include "qplaintextedit.h" |
| |
| #ifndef QT_NO_TEXTEDIT |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QMimeData; |
| |
| class QPlainTextEdit; |
| class ExtraArea; |
| |
| class QPlainTextEditControl : public QWidgetTextControl |
| { |
| Q_OBJECT |
| public: |
| QPlainTextEditControl(QPlainTextEdit *parent); |
| |
| |
| QMimeData *createMimeDataFromSelection() const Q_DECL_OVERRIDE; |
| bool canInsertFromMimeData(const QMimeData *source) const Q_DECL_OVERRIDE; |
| void insertFromMimeData(const QMimeData *source) Q_DECL_OVERRIDE; |
| int hitTest(const QPointF &point, Qt::HitTestAccuracy = Qt::FuzzyHit) const Q_DECL_OVERRIDE; |
| QRectF blockBoundingRect(const QTextBlock &block) const Q_DECL_OVERRIDE; |
| QString anchorAt(const QPointF &pos) const Q_DECL_OVERRIDE; |
| inline QRectF cursorRect(const QTextCursor &cursor) const { |
| QRectF r = QWidgetTextControl::cursorRect(cursor); |
| r.setLeft(qMax(r.left(), (qreal) 0.)); |
| return r; |
| } |
| inline QRectF cursorRect() { return cursorRect(textCursor()); } |
| void ensureCursorVisible() Q_DECL_OVERRIDE { |
| textEdit->ensureCursorVisible(); |
| emit microFocusChanged(); |
| } |
| |
| |
| QPlainTextEdit *textEdit; |
| int topBlock; |
| QTextBlock firstVisibleBlock() const; |
| |
| QVariant loadResource(int type, const QUrl &name) Q_DECL_OVERRIDE { |
| return textEdit->loadResource(type, name); |
| } |
| |
| }; |
| |
| |
| class QPlainTextEditPrivate : public QAbstractScrollAreaPrivate |
| { |
| Q_DECLARE_PUBLIC(QPlainTextEdit) |
| public: |
| QPlainTextEditPrivate(); |
| |
| void init(const QString &txt = QString()); |
| void _q_repaintContents(const QRectF &contentsRect); |
| |
| inline QPoint mapToContents(const QPoint &point) const |
| { return QPoint(point.x() + horizontalOffset(), point.y() + verticalOffset()); } |
| |
| void _q_adjustScrollbars(); |
| void _q_verticalScrollbarActionTriggered(int action); |
| void ensureViewportLayouted(); |
| void relayoutDocument(); |
| |
| void pageUpDown(QTextCursor::MoveOperation op, QTextCursor::MoveMode moveMode, bool moveCursor = true); |
| |
| inline int horizontalOffset() const |
| { return (q_func()->isRightToLeft() ? (hbar->maximum() - hbar->value()) : hbar->value()); } |
| qreal verticalOffset(int topBlock, int topLine) const; |
| qreal verticalOffset() const; |
| |
| inline void sendControlEvent(QEvent *e) |
| { control->processEvent(e, QPointF(horizontalOffset(), verticalOffset()), viewport); } |
| |
| void updateDefaultTextOption(); |
| |
| QPlainTextEditControl *control; |
| |
| bool tabChangesFocus; |
| |
| QBasicTimer autoScrollTimer; |
| QPoint autoScrollDragPos; |
| |
| QPlainTextEdit::LineWrapMode lineWrap; |
| QTextOption::WrapMode wordWrap; |
| |
| uint showCursorOnInitialShow : 1; |
| uint backgroundVisible : 1; |
| uint centerOnScroll : 1; |
| uint inDrag : 1; |
| uint clickCausedFocus : 1; |
| |
| int topLine; |
| qreal topLineFracture; // for non-int sized fonts |
| |
| void setTopLine(int visualTopLine, int dx = 0); |
| void setTopBlock(int newTopBlock, int newTopLine, int dx = 0); |
| |
| void ensureVisible(int position, bool center, bool forceCenter = false); |
| void ensureCursorVisible(bool center = false); |
| void updateViewport(); |
| |
| QPointer<QPlainTextDocumentLayout> documentLayoutPtr; |
| |
| void append(const QString &text, Qt::TextFormat format = Qt::AutoText); |
| |
| qreal pageUpDownLastCursorY; |
| bool pageUpDownLastCursorYIsValid; |
| |
| |
| #ifdef QT_KEYPAD_NAVIGATION |
| QBasicTimer deleteAllTimer; |
| #endif |
| |
| void _q_cursorPositionChanged(); |
| void _q_modificationChanged(bool); |
| |
| int originalOffsetY; |
| QString placeholderText; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_TEXTEDIT |
| |
| #endif // QPLAINTEXTEDIT_P_H |