Allevo I Costcalculation: alineedit.cpp Source File

00001 #include "alineedit.h"
00002 
00003 ALineEdit::ALineEdit(const QString &defaultValue, QWidget *parent) : QLineEdit(parent)
00004 {
00005     defaultText = defaultValue;
00006     if(this->hasFocus())
00007     {
00008         hideHintText();
00009     }
00010     else
00011     {
00012         showHintText();
00013     }
00014 }
00015 
00016 ALineEdit::ALineEdit(QWidget *parent) : QLineEdit(parent)
00017 {
00018 }
00019 
00020 QString ALineEdit::hintText() const
00021 {
00022     return defaultText;
00023 }
00024 
00025 void ALineEdit::setHintText(const QString &hintText)
00026 {
00027     // Updating magic to make the property work in Designer.
00028     if(hintText == this->text())
00029     {
00030         return;
00031     }
00032     if(this->text() == defaultText)
00033     {
00034         defaultText = hintText;
00035         this->setText(QString());
00036     }
00037     else
00038     {
00039         defaultText = hintText;
00040     }
00041     if(!hasFocus())
00042     {
00043         showHintText();
00044     }
00045     else
00046     {
00047         hideHintText();
00048     }
00049 }
00050 
00051 void ALineEdit::showHintText()
00052 {
00053     if(this->text() == "")
00054     {
00055         this->setText(defaultText);
00056         setStyleSheet("QLineEdit{color: #BBBBBB;}");
00057     }
00058 }
00059 
00060 void ALineEdit::hideHintText()
00061 {
00062     if(this->text() == "" || this->text() == defaultText)
00063     {
00064         this->setText(QString());
00065         setStyleSheet("QLineEdit{color: #000000;}");
00066     }
00067 }
00068 
00069 void ALineEdit::focusInEvent(QFocusEvent *e)
00070 {
00071     hideHintText();
00072     QLineEdit::focusInEvent(e);
00073 }
00074 
00075 void ALineEdit::focusOutEvent(QFocusEvent *e)
00076 {
00077     // Focus out: Switch to displaying the hint text unless
00078     // there is user input
00079     showHintText();
00080     QLineEdit::focusOutEvent(e);
00081 }