Qt Utilities  5.6.0
Common Qt related C++ classes and routines used by my applications such as dialogs, widgets and models
clearlineedit.cpp
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1 #include "./clearlineedit.h"
2 
3 namespace Widgets {
4 
13 ClearLineEdit::ClearLineEdit(QWidget *parent) :
14  QLineEdit(parent),
15  ButtonOverlay(this)
16 {
18  connect(this, &ClearLineEdit::textChanged, this, &ClearLineEdit::handleTextChanged);
19 }
20 
25 {}
26 
30 void ClearLineEdit::handleTextChanged(const QString &text)
31 {
32  updateClearButtonVisibility(!text.isEmpty());
33 }
34 
35 void ClearLineEdit::handleClearButtonClicked()
36 {
37  clear();
38 }
39 
41 {
42  return text().isEmpty();
43 }
44 
45 }
void updateClearButtonVisibility(bool visible)
Updates the visibility of the clear button.
~ClearLineEdit()
Destroys the clear combo box.
The ButtonOverlay class is used to display buttons on top of other widgets.
Definition: buttonoverlay.h:17
void setClearButtonEnabled(bool enabled)
Sets whether the clear button is enabled.
Provides a set of extended widgets such as ClearLineEdit and ClearComboBox.
Definition: buttonoverlay.h:13
bool isCleared() const
Returns whether the related widget is cleared.
#define text
ClearLineEdit(QWidget *parent=nullptr)
Constructs a clear line edit.