comparison widgets/ColourNameDialog.cpp @ 285:9dd432665059

* Add a colour database, and Add New Colour function to the colour combo
  in property box.  The colour property is only correctly handled in the
  waveform layer so far.

* Add en_GB translation, to translate those annoying Color texts in the
  Qt colour picker dialog.

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2007 QMUL.
+    
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#include "ColourNameDialog.h"
+
+#include <QGridLayout>
+#include <QLabel>
+#include <QDialogButtonBox>
+#include <QLineEdit>
+#include <QIcon>
+#include <QCheckBox>
+#include <QPainter>
+#include <QPushButton>
+
+ColourNameDialog::ColourNameDialog(QString title, QString message,
+				   QColor colour, QString defaultName,
+				   QWidget *parent) :
+    QDialog(parent),
+    m_colour(colour)
+{
+    setWindowTitle(title);
+
+    QGridLayout *layout = new QGridLayout(this);
+    
+    QLabel *label = new QLabel(message, this);
+    layout->addWidget(label, 0, 0, 1, 2);
+    
+    m_colourLabel = new QLabel(this);
+    layout->addWidget(m_colourLabel, 1, 1);
+
+    m_textField = new QLineEdit(defaultName, this);
+    layout->addWidget(m_textField, 1, 0);
+
+    connect(m_textField, SIGNAL(textChanged(const QString &)),
+            this, SLOT(textChanged(const QString &)));
+    
+    m_darkBackground = new QCheckBox(this);
+    layout->addWidget(m_darkBackground, 2, 0);
+    m_darkBackground->setChecked
+        (colour.red() + colour.green() + colour.blue() > 384);
+    fillColourLabel();
+
+    connect(m_darkBackground, SIGNAL(stateChanged(int)),
+            this, SLOT(darkBackgroundChanged(int)));
+
+    QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok |
+                                                QDialogButtonBox::Cancel);
+    layout->addWidget(bb, 3, 0, 1, 2);
+    connect(bb, SIGNAL(accepted()), this, SLOT(accept()));
+    connect(bb, SIGNAL(rejected()), this, SLOT(reject()));
+    m_okButton = bb->button(QDialogButtonBox::Ok);
+    m_okButton->setEnabled(defaultName != "");
+}
+
+void
+ColourNameDialog::showDarkBackgroundCheckbox(QString text)
+{
+    m_darkBackground->setText(text);
+    m_darkBackground->show();
+}
+
+bool
+ColourNameDialog::isDarkBackgroundChecked() const
+{
+    return m_darkBackground->isChecked();
+}
+
+void
+ColourNameDialog::darkBackgroundChanged(int)
+{
+    fillColourLabel();
+}
+
+void
+ColourNameDialog::textChanged(const QString &text)
+{
+    m_okButton->setEnabled(text != "");
+}
+
+void
+ColourNameDialog::fillColourLabel()
+{
+    QPixmap pmap(20, 20);
+    pmap.fill(m_darkBackground->isChecked() ? Qt::black : Qt::white);
+    QPainter paint(&pmap);
+    paint.setPen(m_colour);
+    paint.setBrush(m_colour);
+    paint.drawRect(2, 2, 15, 15);
+    m_colourLabel->setPixmap(pmap);
+}
+
+QString
+ColourNameDialog::getColourName() const
+{
+    return m_textField->text();
+}