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41 
42 #ifndef QTEXTCONTROL_P_P_H
43 #define QTEXTCONTROL_P_P_H
44 
45 //
46 //  W A R N I N G
47 //  -------------
48 //
49 // This file is not part of the Qt API.  It exists purely as an
50 // implementation detail.  This header file may change from version to
51 // version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include "QtGui/qtextdocumentfragment.h"
57 #include "QtGui/qscrollbar.h"
58 #include "QtGui/qtextcursor.h"
59 #include "QtGui/qtextformat.h"
60 #include "QtGui/qmenu.h"
61 #include "QtGui/qabstracttextdocumentlayout.h"
62 #include "QtCore/qbasictimer.h"
63 #include "QtCore/qpointer.h"
64 #include "private/qobject_p.h"
65 
66 QT_BEGIN_NAMESPACE
67 
68 class QMimeData;
69 class QAbstractScrollArea;
70 class QInputContext;
71 
72 class QTextControlPrivate : public QObjectPrivate
73 {
74     Q_DECLARE_PUBLIC(QTextControl)
75 public:
76     QTextControlPrivate();
77 
78     bool cursorMoveKeyEvent(QKeyEvent *e);
79 
80     void updateCurrentCharFormat();
81 
82     void indent();
83     void outdent();
84 
85     void gotoNextTableCell();
86     void gotoPreviousTableCell();
87 
88     void createAutoBulletList();
89 
90     void init(Qt::TextFormat format = Qt::RichText, const QString &text = QString(),
91               QTextDocument *document = 0);
92     void setContent(Qt::TextFormat format = Qt::RichText, const QString &text = QString(),
93                     QTextDocument *document = 0);
94     void startDrag();
95 
96     void paste(const QMimeData *source);
97 
98     void setCursorPosition(const QPointF &pos);
99     void setCursorPosition(int pos, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor);
100 
101     void repaintCursor();
repaintSelection()102     inline void repaintSelection()
103     { repaintOldAndNewSelection(QTextCursor()); }
104     void repaintOldAndNewSelection(const QTextCursor &oldSelection);
105 
106     void selectionChanged(bool forceEmitSelectionChanged = false);
107 
108     void _q_updateCurrentCharFormatAndSelection();
109 
110 #ifndef QT_NO_CLIPBOARD
111     void setClipboardSelection();
112 #endif
113 
114     void _q_emitCursorPosChanged(const QTextCursor &someCursor);
115 
116     void setBlinkingCursorEnabled(bool enable);
117 
118     void extendWordwiseSelection(int suggestedNewPosition, qreal mouseXPosition);
119     void extendBlockwiseSelection(int suggestedNewPosition);
120 
121     void _q_deleteSelected();
122 
123     void _q_setCursorAfterUndoRedo(int undoPosition, int charsAdded, int charsRemoved);
124 
125     QRectF cursorRectPlusUnicodeDirectionMarkers(const QTextCursor &cursor) const;
126     QRectF rectForPosition(int position) const;
127     QRectF selectionRect(const QTextCursor &cursor) const;
selectionRect()128     inline QRectF selectionRect() const
129     { return selectionRect(this->cursor); }
130 
131     QString anchorForCursor(const QTextCursor &anchor) const;
132 
133     void keyPressEvent(QKeyEvent *e);
134     void mousePressEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,
135                          Qt::KeyboardModifiers modifiers,
136                          Qt::MouseButtons buttons,
137                          const QPoint &globalPos);
138     void mouseMoveEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,
139                         Qt::KeyboardModifiers modifiers,
140                         Qt::MouseButtons buttons,
141                         const QPoint &globalPos);
142     void mouseReleaseEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,
143                            Qt::KeyboardModifiers modifiers,
144                            Qt::MouseButtons buttons,
145                            const QPoint &globalPos);
146     void mouseDoubleClickEvent(QEvent *e, Qt::MouseButton button, const QPointF &pos,
147                                Qt::KeyboardModifiers modifiers,
148                                Qt::MouseButtons buttons,
149                                const QPoint &globalPos);
150     bool sendMouseEventToInputContext(QEvent *e,  QEvent::Type eventType, Qt::MouseButton button,
151                                       const QPointF &pos,
152                                       Qt::KeyboardModifiers modifiers,
153                                       Qt::MouseButtons buttons,
154                                       const QPoint &globalPos);
155     void contextMenuEvent(const QPoint &screenPos, const QPointF &docPos, QWidget *contextWidget);
156     void focusEvent(QFocusEvent *e);
157 #ifdef QT_KEYPAD_NAVIGATION
158     void editFocusEvent(QEvent *e);
159 #endif
160     bool dragEnterEvent(QEvent *e, const QMimeData *mimeData);
161     void dragLeaveEvent();
162     bool dragMoveEvent(QEvent *e, const QMimeData *mimeData, const QPointF &pos);
163     bool dropEvent(const QMimeData *mimeData, const QPointF &pos, Qt::DropAction dropAction, QWidget *source);
164 
165     void inputMethodEvent(QInputMethodEvent *);
166 
167     void activateLinkUnderCursor(QString href = QString());
168 
169 #ifndef QT_NO_TOOLTIP
170     void showToolTip(const QPoint &globalPos, const QPointF &pos, QWidget *contextWidget);
171 #endif
172 
173     void append(const QString &text, Qt::TextFormat format = Qt::AutoText);
174 
175     QInputContext *inputContext();
176 
177     QTextDocument *doc;
178     bool cursorOn;
179     QTextCursor cursor;
180     bool cursorIsFocusIndicator;
181     QTextCharFormat lastCharFormat;
182 
183     QTextCursor dndFeedbackCursor;
184 
185     Qt::TextInteractionFlags interactionFlags;
186 
187     QBasicTimer cursorBlinkTimer;
188     QBasicTimer trippleClickTimer;
189     QPointF trippleClickPoint;
190 
191     bool dragEnabled;
192 
193     bool mousePressed;
194 
195     bool mightStartDrag;
196     QPoint dragStartPos;
197     QPointer<QWidget> contextWidget;
198 
199     bool lastSelectionState;
200 
201     bool ignoreAutomaticScrollbarAdjustement;
202 
203     QTextCursor selectedWordOnDoubleClick;
204     QTextCursor selectedBlockOnTrippleClick;
205 
206     bool overwriteMode;
207     bool acceptRichText;
208 
209     int preeditCursor;
210     bool hideCursor; // used to hide the cursor in the preedit area
211 
212     QVector<QAbstractTextDocumentLayout::Selection> extraSelections;
213 
214     QPalette palette;
215     bool hasFocus;
216 #ifdef QT_KEYPAD_NAVIGATION
217     bool hasEditFocus;
218 #endif
219     bool isEnabled;
220 
221     QString highlightedAnchor; // Anchor below cursor
222     QString anchorOnMousePress;
223     bool hadSelectionOnMousePress;
224 
225     bool ignoreUnusedNavigationEvents;
226     bool openExternalLinks;
227 
228     bool wordSelectionEnabled;
229 
230     QString linkToCopy;
231     void _q_copyLink();
232     void _q_updateBlock(const QTextBlock &);
233     void _q_documentLayoutChanged();
234 };
235 
236 QT_END_NAMESPACE
237 
238 #endif // QTEXTCONTROL_P_H
239