changeset 126:0e95c127bb53

* New dialog for selection from a list of items through radio buttons rather
  than a combobox
* Move system-specific init stuff out into another file (to avoid Window naming
  conflict (X11 vs base/Window.h))

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgets/ListInputDialog.cpp	Thu Jul 27 16:08:04 2006 +0000
@@ -0,0 +1,95 @@
+/* -*- 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 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 "ListInputDialog.h"
+
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QStringList>
+#include <QRadioButton>
+#include <QPushButton>
+
+ListInputDialog::ListInputDialog(QWidget *parent, const QString &title,
+				 const QString &labelText, const QStringList &list,
+				 int current, Qt::WFlags f) :
+    QDialog(parent, f),
+    m_strings(list)
+{
+    setWindowTitle(title);
+
+    QVBoxLayout *vbox = new QVBoxLayout(this);
+    
+    QLabel *label = new QLabel(labelText, this);
+    vbox->addWidget(label);
+    vbox->addStretch(1);
+
+    int count = 0;
+    for (QStringList::const_iterator i = list.begin(); i != list.end(); ++i) {
+        QRadioButton *radio = new QRadioButton(*i);
+        if (current == count++) radio->setChecked(true);
+        m_radioButtons.push_back(radio);
+        vbox->addWidget(radio);
+    }
+
+    vbox->addStretch(1);
+
+    QHBoxLayout *hbox = new QHBoxLayout;
+    vbox->addLayout(hbox, Qt::AlignRight);
+
+    QPushButton *ok = new QPushButton(tr("OK"), this);
+    ok->setDefault(true);
+
+    QPushButton *cancel = new QPushButton(tr("Cancel"), this);
+
+    QSize bs = ok->sizeHint().expandedTo(cancel->sizeHint());
+    ok->setFixedSize(bs);
+    cancel->setFixedSize(bs);
+
+    hbox->addStretch();
+    hbox->addWidget(ok);
+    hbox->addWidget(cancel);
+
+    QObject::connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
+    QObject::connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
+}
+
+ListInputDialog::~ListInputDialog()
+{
+}
+
+QString
+ListInputDialog::getCurrentString() const
+{
+    for (int i = 0; i < m_radioButtons.size(); ++i) {
+        if (m_radioButtons[i]->isChecked()) {
+            return m_strings[i];
+        }
+    }
+    return "";
+}
+
+QString
+ListInputDialog::getItem(QWidget *parent, const QString &title,
+                         const QString &label, const QStringList &list,
+                         int current, bool *ok, Qt::WFlags f)
+{
+    ListInputDialog dialog(parent, title, label, list, current, f);
+    
+    bool accepted = (dialog.exec() == QDialog::Accepted);
+    if (ok) *ok = accepted;
+
+    return dialog.getCurrentString();
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgets/ListInputDialog.h	Thu Jul 27 16:08:04 2006 +0000
@@ -0,0 +1,51 @@
+/* -*- 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 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.
+*/
+
+#ifndef _LIST_INPUT_DIALOG_H_
+#define _LIST_INPUT_DIALOG_H_
+
+#include <QDialog>
+#include <QString>
+#include <QStringList>
+
+#include <vector>
+
+class QRadioButton;
+
+/**
+ * Like QInputDialog::getItem(), except that it offers the items as a
+ * set of radio buttons instead of in a single combo box.
+ */
+
+class ListInputDialog : public QDialog
+{
+public:
+    virtual ~ListInputDialog();
+
+    static QString getItem(QWidget *parent, const QString &title,
+                           const QString &label, const QStringList &list,
+                           int current = 0, bool *ok = 0, Qt::WFlags f = 0);
+
+protected:
+    ListInputDialog(QWidget *parent, const QString &title,
+                    const QString &label, const QStringList &list,
+                    int current = 0, Qt::WFlags f = 0);
+
+    QString getCurrentString() const;
+    
+    QStringList m_strings;
+    std::vector<QRadioButton *> m_radioButtons;
+};
+
+#endif