xref: /OK3568_Linux_fs/app/forlinx/flapp/src/plugins/network/qipaddressedititem.cpp (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1 #include "qipaddressedititem.h"
2 #include <QtGui>
3 #include <QIntValidator>
4 #include <QMessageBox>
QIpAddressEditItem(QWidget * parent)5 QIpAddressEditItem::QIpAddressEditItem(QWidget *parent) :
6     QLineEdit(parent)
7 {
8     previousItem = NULL;
9     nextItem = NULL;
10     this->setMaxLength(3);
11     this->setFrame(false);
12     this->setAlignment(Qt::AlignCenter);
13 
14     QIntValidator *validator = new QIntValidator(this);
15     validator->setBottom(0);
16     this->setValidator(validator);
17 
18     connect(this, SIGNAL(textEdited(const QString &)),
19             this, SLOT(itemEdited(const QString &)));
20 }
21 
focusInEvent(QFocusEvent * e)22 void QIpAddressEditItem::focusInEvent(QFocusEvent *e)
23 {
24     this->selectAll();
25     QLineEdit::focusInEvent(e);
26 }
27 
keyPressEvent(QKeyEvent * event)28 void QIpAddressEditItem::keyPressEvent(QKeyEvent *event)
29 {
30     if(event->key() == Qt::Key_Period)
31     {
32         if(nextItem != NULL)
33         {
34             nextItem->setFocus();
35             nextItem->selectAll();
36         }
37     }
38     if(event->key() == Qt::Key_Backspace)
39     {
40         QString text = this->text();
41         if(text.isEmpty() && previousItem != NULL)
42         {
43             previousItem->setFocus();
44             previousItem->setCursorPosition(previousItem->cursorPosition());
45             previousItem->backspace();
46         }
47     }
48     if(event->key() == Qt::Key_Left)
49     {
50         if(this->cursorPosition() == 0 && previousItem != NULL)
51         {
52             previousItem->setFocus();
53             previousItem->setCursorPosition(previousItem->cursorPosition());
54         }
55     }
56     if(event->key() == Qt::Key_Right)
57     {
58         int pos = this->cursorPosition();
59         int length = this->text().length();
60         if(pos == length && nextItem != NULL)
61         {
62             nextItem->setFocus();
63             nextItem->setCursorPosition(0);
64         }
65     }
66     QLineEdit::keyPressEvent(event);
67 }
68 
itemEdited(const QString & text)69 void QIpAddressEditItem::itemEdited(const QString &text)
70 {
71     int num = text.toInt();
72     if(num > 255 || num < 0)
73     {
74         QString message = text + " is not acceptable value.\n" +
75                 "Please input the value bewteen 0 with 255.";
76         QMessageBox::warning(this,
77                              tr("Warning"),
78                              message);
79         this->setText("255");
80     }
81     else if(text.length() == 3)
82     {
83         if(nextItem != NULL)
84         {
85             nextItem->setFocus();
86             nextItem->selectAll();
87         }
88     }
89 }
90