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-rw-r--r--src/gui/text/qtextengine_p.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/gui/text/qtextengine_p.h b/src/gui/text/qtextengine_p.h
index 366c5c3..e06ca1c 100644
--- a/src/gui/text/qtextengine_p.h
+++ b/src/gui/text/qtextengine_p.h
@@ -64,6 +64,7 @@
#include "QtGui/qpaintengine.h"
#include "QtGui/qtextobject.h"
#include "QtGui/qtextoption.h"
+#include "QtGui/qtextcursor.h"
#include "QtCore/qset.h"
#include "QtCore/qdebug.h"
#ifndef QT_BUILD_COMPAT_LIB
@@ -471,6 +472,7 @@ public:
void shape(int item) const;
void justify(const QScriptLine &si);
+ QFixed alignLine(const QScriptLine &line);
QFixed width(int charFrom, int numChars) const;
glyph_metrics_t boundingBox(int from, int len) const;
@@ -586,12 +588,18 @@ public:
uint cacheGlyphs : 1;
uint stackEngine : 1;
uint forceJustification : 1;
+ uint visualMovement : 1;
int *underlinePositions;
mutable LayoutData *layoutData;
inline bool hasFormats() const { return (block.docHandle() || specialData); }
+ inline bool visualCursorMovement() const
+ {
+ return (visualMovement ||
+ (block.docHandle() ? block.docHandle()->defaultCursorMoveStyle == Qt::VisualMoveStyle : false));
+ }
struct SpecialData {
int preeditPosition;
@@ -611,6 +619,13 @@ public:
void shapeLine(const QScriptLine &line);
QFixed leadingSpaceWidth(const QScriptLine &line);
+ QFixed offsetInLigature(const QScriptItem *si, int pos, int max, int glyph_pos);
+ int previousLogicalPosition(int oldPos) const;
+ int nextLogicalPosition(int oldPos) const;
+ int lineNumberForTextPosition(int pos);
+ int positionAfterVisualMovement(int oldPos, QTextCursor::MoveOperation op);
+ void insertionPointsForLine(int lineNum, QVector<int> &insertionPoints);
+
private:
void setBoundary(int strPos) const;
void addRequiredBoundaries() const;
@@ -625,6 +640,8 @@ private:
void splitItem(int item, int pos) const;
void resolveAdditionalFormats() const;
+ int endOfLine(int lineNum);
+ int beginningOfLine(int lineNum);
};
class QStackTextEngine : public QTextEngine {
@@ -635,6 +652,49 @@ public:
void *_memory[MemSize];
};
+struct QTextLineItemIterator
+{
+ QTextLineItemIterator(QTextEngine *eng, int lineNum, const QPointF &pos = QPointF(),
+ const QTextLayout::FormatRange *_selection = 0);
+
+ inline bool atEnd() const { return logicalItem >= nItems - 1; }
+ inline bool atBeginning() const { return logicalItem <= 0; }
+ QScriptItem &next();
+
+ bool getSelectionBounds(QFixed *selectionX, QFixed *selectionWidth) const;
+ inline bool isOutsideSelection() const {
+ QFixed tmp1, tmp2;
+ return !getSelectionBounds(&tmp1, &tmp2);
+ }
+
+ QTextEngine *eng;
+
+ QFixed x;
+ QFixed pos_x;
+ const QScriptLine &line;
+ QScriptItem *si;
+
+ int lineNum;
+ int lineEnd;
+ int firstItem;
+ int lastItem;
+ int nItems;
+ int logicalItem;
+ int item;
+ int itemLength;
+
+ int glyphsStart;
+ int glyphsEnd;
+ int itemStart;
+ int itemEnd;
+
+ QFixed itemWidth;
+
+ QVarLengthArray<int> visualOrder;
+ QVarLengthArray<uchar> levels;
+
+ const QTextLayout::FormatRange *selection;
+};
Q_DECLARE_OPERATORS_FOR_FLAGS(QTextEngine::ShaperFlags)