| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWidgets module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ****************************************************************************/ |
| |
| #ifndef QLINEEDIT_P_H |
| #define QLINEEDIT_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 "QtCore/qglobal.h" |
| |
| #ifndef QT_NO_LINEEDIT |
| #include "private/qwidget_p.h" |
| #include "QtWidgets/qlineedit.h" |
| #include "QtWidgets/qtoolbutton.h" |
| #include "QtGui/qtextlayout.h" |
| #include "QtGui/qicon.h" |
| #include "QtWidgets/qstyleoption.h" |
| #include "QtCore/qbasictimer.h" |
| #include "QtWidgets/qcompleter.h" |
| #include "QtCore/qpointer.h" |
| #include "QtCore/qmimedata.h" |
| |
| #include "private/qwidgetlinecontrol_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| // QLineEditIconButton: This is a simple helper class that represents clickable icons that fade in with text |
| |
| class Q_AUTOTEST_EXPORT QLineEditIconButton : public QToolButton |
| { |
| Q_OBJECT |
| Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity) |
| public: |
| enum { IconMargin = 4, IconButtonSize = 16 }; |
| |
| explicit QLineEditIconButton(QWidget *parent = 0); |
| |
| qreal opacity() const { return m_opacity; } |
| void setOpacity(qreal value); |
| #ifndef QT_NO_ANIMATION |
| void animateShow(bool visible) { startOpacityAnimation(visible ? 1.0 : 0.0); } |
| #endif |
| |
| protected: |
| void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE; |
| |
| private slots: |
| void updateCursor(); |
| |
| private: |
| #ifndef QT_NO_ANIMATION |
| void startOpacityAnimation(qreal endValue); |
| #endif |
| |
| qreal m_opacity; |
| }; |
| |
| class Q_AUTOTEST_EXPORT QLineEditPrivate : public QWidgetPrivate |
| { |
| Q_DECLARE_PUBLIC(QLineEdit) |
| public: |
| enum SideWidgetFlag { |
| SideWidgetFadeInWithText = 0x1, |
| SideWidgetCreatedByWidgetAction = 0x2, |
| SideWidgetClearButton = 0x4 |
| }; |
| |
| struct SideWidgetEntry { |
| SideWidgetEntry(QWidget *w = 0, QAction *a = 0, int _flags = 0) : widget(w), action(a), flags(_flags) {} |
| |
| QWidget *widget; |
| QAction *action; |
| int flags; |
| }; |
| typedef QList<SideWidgetEntry> SideWidgetEntryList; |
| |
| QLineEditPrivate() |
| : control(0), frame(1), contextMenuEnabled(1), cursorVisible(0), |
| dragEnabled(0), clickCausedFocus(0), hscroll(0), vscroll(0), |
| alignment(Qt::AlignLeading | Qt::AlignVCenter), |
| leftTextMargin(0), topTextMargin(0), rightTextMargin(0), bottomTextMargin(0), |
| lastTextSize(0) |
| { |
| } |
| |
| ~QLineEditPrivate() |
| { |
| } |
| |
| QWidgetLineControl *control; |
| |
| #ifndef QT_NO_CONTEXTMENU |
| QPointer<QAction> selectAllAction; |
| #endif |
| void init(const QString&); |
| |
| QRect adjustedControlRect(const QRect &) const; |
| |
| int xToPos(int x, QTextLine::CursorPosition = QTextLine::CursorBetweenCharacters) const; |
| QRect cursorRect() const; |
| void setCursorVisible(bool visible); |
| |
| void updatePasswordEchoEditing(bool); |
| |
| void resetInputMethod(); |
| |
| inline bool shouldEnableInputMethod() const |
| { |
| return !control->isReadOnly(); |
| } |
| inline bool shouldShowPlaceholderText() const |
| { |
| return control->text().isEmpty() && control->preeditAreaText().isEmpty() |
| && !((alignment & Qt::AlignHCenter) && q_func()->hasFocus()); |
| } |
| |
| static inline QLineEditPrivate *get(QLineEdit *lineEdit) { |
| return lineEdit->d_func(); |
| } |
| |
| QPoint tripleClick; |
| QBasicTimer tripleClickTimer; |
| uint frame : 1; |
| uint contextMenuEnabled : 1; |
| uint cursorVisible : 1; |
| uint dragEnabled : 1; |
| uint clickCausedFocus : 1; |
| int hscroll; |
| int vscroll; |
| uint alignment; |
| static const int verticalMargin; |
| static const int horizontalMargin; |
| |
| bool sendMouseEventToInputContext(QMouseEvent *e); |
| |
| QRect adjustedContentsRect() const; |
| |
| void _q_handleWindowActivate(); |
| void _q_textEdited(const QString &); |
| void _q_cursorPositionChanged(int, int); |
| #ifdef QT_KEYPAD_NAVIGATION |
| void _q_editFocusChange(bool); |
| #endif |
| void _q_selectionChanged(); |
| void _q_updateNeeded(const QRect &); |
| #ifndef QT_NO_COMPLETER |
| void _q_completionHighlighted(const QString &); |
| #endif |
| QPoint mousePressPos; |
| #ifndef QT_NO_DRAGANDDROP |
| QBasicTimer dndTimer; |
| void drag(); |
| #endif |
| void _q_textChanged(const QString &); |
| void _q_clearButtonClicked(); |
| |
| int leftTextMargin; // use effectiveLeftTextMargin() in case of icon. |
| int topTextMargin; |
| int rightTextMargin; // use effectiveRightTextMargin() in case of icon. |
| int bottomTextMargin; |
| |
| QString placeholderText; |
| |
| QWidget *addAction(QAction *newAction, QAction *before, QLineEdit::ActionPosition, int flags = 0); |
| void removeAction(QAction *action); |
| QSize iconSize() const; |
| QIcon clearButtonIcon() const; |
| void setClearButtonEnabled(bool enabled); |
| void positionSideWidgets(); |
| inline bool hasSideWidgets() const { return !leadingSideWidgets.isEmpty() || !trailingSideWidgets.isEmpty(); } |
| inline const SideWidgetEntryList &leftSideWidgetList() const |
| { return q_func()->layoutDirection() == Qt::LeftToRight ? leadingSideWidgets : trailingSideWidgets; } |
| inline const SideWidgetEntryList &rightSideWidgetList() const |
| { return q_func()->layoutDirection() == Qt::LeftToRight ? trailingSideWidgets : leadingSideWidgets; } |
| |
| int effectiveLeftTextMargin() const; |
| int effectiveRightTextMargin() const; |
| |
| private: |
| typedef QPair<QLineEdit::ActionPosition, int> PositionIndexPair; |
| |
| PositionIndexPair findSideWidget(const QAction *a) const; |
| |
| SideWidgetEntryList leadingSideWidgets; |
| SideWidgetEntryList trailingSideWidgets; |
| int lastTextSize; |
| mutable QSize m_iconSize; |
| }; |
| |
| inline int QLineEditPrivate::effectiveLeftTextMargin() const |
| { |
| return leftTextMargin + leftSideWidgetList().size() * (QLineEditIconButton::IconMargin + iconSize().width()); |
| } |
| |
| inline int QLineEditPrivate::effectiveRightTextMargin() const |
| { |
| return rightTextMargin + rightSideWidgetList().size() * (QLineEditIconButton::IconMargin + iconSize().width()); |
| } |
| |
| #endif // QT_NO_LINEEDIT |
| |
| QT_END_NAMESPACE |
| |
| #endif // QLINEEDIT_P_H |