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92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
#include <QRegExpValidator>
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#include <QLineEdit>
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#include <QString>
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#include <QApplication>
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#include <QKeyEvent>
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#include "profilescombobox.hpp"
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#include "comboboxlineedit.hpp"
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ProfilesComboBox::ProfilesComboBox(QWidget *parent) :
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QComboBox(parent)
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{
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mValidator = new QRegExpValidator(QRegExp("^[a-zA-Z0-9_]*$"), this); // Alpha-numeric + underscore
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setEditEnabled(true);
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setValidator(mValidator);
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setCompleter(0);
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connect(this, SIGNAL(currentIndexChanged(int)), this,
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SLOT(slotIndexChanged(int)));
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setInsertPolicy(QComboBox::NoInsert);
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}
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void ProfilesComboBox::setEditEnabled(bool editable)
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{
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if (isEditable() == editable)
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return;
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if (!editable) {
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disconnect(lineEdit(), SIGNAL(editingFinished()), this, SLOT(slotEditingFinished()));
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disconnect(lineEdit(), SIGNAL(textChanged(QString)), this, SLOT(slotTextChanged(QString)));
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return setEditable(false);
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}
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// Reset the completer and validator
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setEditable(true);
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setValidator(mValidator);
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ComboBoxLineEdit *edit = new ComboBoxLineEdit(this);
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setLineEdit(edit);
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setCompleter(0);
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connect(lineEdit(), SIGNAL(editingFinished()), this,
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SLOT(slotEditingFinished()));
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connect(lineEdit(), SIGNAL(textChanged(QString)), this,
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SLOT(slotTextChanged(QString)));
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}
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void ProfilesComboBox::slotTextChanged(const QString &text)
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{
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QPalette *palette = new QPalette();
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palette->setColor(QPalette::Text,Qt::red);
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int index = findText(text);
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if (text.isEmpty() || (index != -1 && index != currentIndex())) {
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lineEdit()->setPalette(*palette);
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} else {
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lineEdit()->setPalette(QApplication::palette());
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}
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}
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void ProfilesComboBox::slotEditingFinished()
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{
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QString current = currentText();
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QString previous = itemText(currentIndex());
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if (currentIndex() == -1)
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return;
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if (current.isEmpty())
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return;
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if (current == previous)
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return;
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if (findText(current) != -1)
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return;
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setItemText(currentIndex(), current);
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emit(profileRenamed(previous, current));
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}
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void ProfilesComboBox::slotIndexChanged(int index)
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{
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if (index == -1)
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return;
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emit(profileChanged(mOldProfile, currentText()));
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mOldProfile = itemText(index);
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}
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