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39 | |
40 | #ifndef QPLAINTEXTEDIT_P_H |
41 | #define QPLAINTEXTEDIT_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <QtWidgets/private/qtwidgetsglobal_p.h> |
55 | #include "private/qabstractscrollarea_p.h" |
56 | #include "QtGui/qtextdocumentfragment.h" |
57 | #if QT_CONFIG(scrollbar) |
58 | #include "QtWidgets/qscrollbar.h" |
59 | #endif |
60 | #include "QtGui/qtextcursor.h" |
61 | #include "QtGui/qtextformat.h" |
62 | #if QT_CONFIG(menu) |
63 | #include "QtWidgets/qmenu.h" |
64 | #endif |
65 | #include "QtGui/qabstracttextdocumentlayout.h" |
66 | #include "QtCore/qbasictimer.h" |
67 | #include "qplaintextedit.h" |
68 | |
69 | #include "private/qwidgettextcontrol_p.h" |
70 | |
71 | QT_REQUIRE_CONFIG(textedit); |
72 | |
73 | QT_BEGIN_NAMESPACE |
74 | |
75 | class QMimeData; |
76 | |
77 | class QPlainTextEdit; |
78 | class ; |
79 | |
80 | class QPlainTextEditControl : public QWidgetTextControl |
81 | { |
82 | Q_OBJECT |
83 | public: |
84 | QPlainTextEditControl(QPlainTextEdit *parent); |
85 | |
86 | |
87 | QMimeData *createMimeDataFromSelection() const override; |
88 | bool canInsertFromMimeData(const QMimeData *source) const override; |
89 | void insertFromMimeData(const QMimeData *source) override; |
90 | int hitTest(const QPointF &point, Qt::HitTestAccuracy = Qt::FuzzyHit) const override; |
91 | QRectF blockBoundingRect(const QTextBlock &block) const override; |
92 | QString anchorAt(const QPointF &pos) const override; |
93 | inline QRectF cursorRect(const QTextCursor &cursor) const { |
94 | QRectF r = QWidgetTextControl::cursorRect(cursor); |
95 | r.setLeft(qMax(a: r.left(), b: (qreal) 0.)); |
96 | return r; |
97 | } |
98 | inline QRectF cursorRect() { return cursorRect(cursor: textCursor()); } |
99 | void ensureCursorVisible() override { |
100 | textEdit->ensureCursorVisible(); |
101 | emit microFocusChanged(); |
102 | } |
103 | |
104 | |
105 | QPlainTextEdit *textEdit; |
106 | int topBlock; |
107 | QTextBlock firstVisibleBlock() const; |
108 | |
109 | QVariant loadResource(int type, const QUrl &name) override { |
110 | return textEdit->loadResource(type, name); |
111 | } |
112 | |
113 | }; |
114 | |
115 | |
116 | class QPlainTextEditPrivate : public QAbstractScrollAreaPrivate |
117 | { |
118 | Q_DECLARE_PUBLIC(QPlainTextEdit) |
119 | public: |
120 | QPlainTextEditPrivate(); |
121 | |
122 | void init(const QString &txt = QString()); |
123 | void _q_repaintContents(const QRectF &contentsRect); |
124 | void _q_textChanged(); |
125 | |
126 | inline QPoint mapToContents(const QPoint &point) const |
127 | { return QPoint(point.x() + horizontalOffset(), point.y() + verticalOffset()); } |
128 | |
129 | void _q_adjustScrollbars(); |
130 | void _q_verticalScrollbarActionTriggered(int action); |
131 | void ensureViewportLayouted(); |
132 | void relayoutDocument(); |
133 | |
134 | void pageUpDown(QTextCursor::MoveOperation op, QTextCursor::MoveMode moveMode, bool moveCursor = true); |
135 | |
136 | inline int horizontalOffset() const |
137 | { return (q_func()->isRightToLeft() ? (hbar->maximum() - hbar->value()) : hbar->value()); } |
138 | qreal verticalOffset(int topBlock, int topLine) const; |
139 | qreal verticalOffset() const; |
140 | |
141 | inline void sendControlEvent(QEvent *e) |
142 | { control->processEvent(e, coordinateOffset: QPointF(horizontalOffset(), verticalOffset()), contextWidget: viewport); } |
143 | |
144 | void updateDefaultTextOption(); |
145 | |
146 | QPlainTextEditControl *control; |
147 | |
148 | bool tabChangesFocus; |
149 | |
150 | QBasicTimer autoScrollTimer; |
151 | QPoint autoScrollDragPos; |
152 | |
153 | QPlainTextEdit::LineWrapMode lineWrap; |
154 | QTextOption::WrapMode wordWrap; |
155 | |
156 | uint showCursorOnInitialShow : 1; |
157 | uint backgroundVisible : 1; |
158 | uint centerOnScroll : 1; |
159 | uint inDrag : 1; |
160 | uint clickCausedFocus : 1; |
161 | uint placeholderVisible : 1; |
162 | |
163 | int topLine; |
164 | qreal topLineFracture; // for non-int sized fonts |
165 | |
166 | void setTopLine(int visualTopLine, int dx = 0); |
167 | void setTopBlock(int newTopBlock, int newTopLine, int dx = 0); |
168 | |
169 | void ensureVisible(int position, bool center, bool forceCenter = false); |
170 | void ensureCursorVisible(bool center = false); |
171 | void updateViewport(); |
172 | |
173 | QPointer<QPlainTextDocumentLayout> documentLayoutPtr; |
174 | |
175 | void append(const QString &text, Qt::TextFormat format = Qt::AutoText); |
176 | |
177 | qreal pageUpDownLastCursorY; |
178 | bool pageUpDownLastCursorYIsValid; |
179 | |
180 | |
181 | #ifdef QT_KEYPAD_NAVIGATION |
182 | QBasicTimer deleteAllTimer; |
183 | #endif |
184 | |
185 | void _q_cursorPositionChanged(); |
186 | void _q_modificationChanged(bool); |
187 | |
188 | int originalOffsetY; |
189 | QString placeholderText; |
190 | }; |
191 | |
192 | QT_END_NAMESPACE |
193 | |
194 | #endif // QPLAINTEXTEDIT_P_H |
195 | |