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-rw-r--r--src/widgets/widgets/qlineedit_p.h82
1 files changed, 79 insertions, 3 deletions
diff --git a/src/widgets/widgets/qlineedit_p.h b/src/widgets/widgets/qlineedit_p.h
index 4eb35b7dc6..8fe45972ff 100644
--- a/src/widgets/widgets/qlineedit_p.h
+++ b/src/widgets/widgets/qlineedit_p.h
@@ -58,7 +58,9 @@
#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"
@@ -69,16 +71,55 @@
QT_BEGIN_NAMESPACE
+// QLineEditIconButton: This is a simple helper class that represents clickable icons that fade in with text
+
+class 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);
+ void animateShow(bool visible) { startOpacityAnimation(visible ? 1.0 : 0.0); }
+
+protected:
+ void paintEvent(QPaintEvent *event);
+
+private:
+ void startOpacityAnimation(qreal endValue);
+
+ 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)
+ leftTextMargin(0), topTextMargin(0), rightTextMargin(0), bottomTextMargin(0),
+ lastTextSize(0)
{
}
@@ -145,15 +186,50 @@ public:
QBasicTimer dndTimer;
void drag();
#endif
+ void _q_textChanged(const QString &);
- int leftTextMargin;
+ int leftTextMargin; // use effectiveLeftTextMargin() in case of icon.
int topTextMargin;
- int rightTextMargin;
+ 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(const QActionEvent *e);
+ QSize iconSize() const;
+ QIcon clearButtonIcon() const;
+ 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