MIRA
LineEditTextFormat.h
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38 
47 #ifndef _MIRA_LINEEDITTEXTFORMAT_H_
48 #define _MIRA_LINEEDITTEXTFORMAT_H_
49 
50 #include <QList>
51 #include <QCoreApplication>
52 #include <QTextLayout>
53 #include <QLineEdit>
54 
55 namespace mira {
56 
58 
59 // source: http://sugarrushva.my03.com/219849-how-can-i-change-color-of-part-of-the-text-in-qlineedit.html
76 inline void setLineEditTextFormat(QLineEdit* lineEdit, const QList<QTextLayout::FormatRange>& formats)
77 {
78  if(!lineEdit)
79  return;
80  QList<QInputMethodEvent::Attribute> attributes;
81  foreach(const QTextLayout::FormatRange& fr, formats)
82  {
83  QInputMethodEvent::AttributeType type = QInputMethodEvent::TextFormat;
84  int start = fr.start - lineEdit->cursorPosition();
85  int length = fr.length;
86  QVariant value = fr.format;
87  attributes.append(QInputMethodEvent::Attribute(type, start, length, value));
88  }
89  QInputMethodEvent event(QString(), attributes);
90  QCoreApplication::sendEvent(lineEdit, &event);
91 }
92 
96 inline void clearLineEditTextFormat(QLineEdit* lineEdit)
97 {
98  setLineEditTextFormat(lineEdit, QList<QTextLayout::FormatRange>());
99 }
100 
101 
103 
104 } // namespace
105 
106 #endif
specialize cv::DataType for our ImgPixel and inherit from cv::DataType<Vec>
Definition: IOService.h:67
PropertyHint type(const std::string &t)
Sets the attribute "type" to the specified value.
Definition: PropertyHint.h:295
void setLineEditTextFormat(QLineEdit *lineEdit, const QList< QTextLayout::FormatRange > &formats)
Allows to format the text of a QLineEdit.
Definition: LineEditTextFormat.h:76
void clearLineEditTextFormat(QLineEdit *lineEdit)
Removes all formatting instructions, set by the above method.
Definition: LineEditTextFormat.h:96