First commit of brand new rewrite

ui/collapsiblewidget.cpp

@@ -0,0 +1,59 @@
+#include "collapsiblewidget.h"
+
+#include <QDebug>
+#include <QLabel>
+#include <QCheckBox>
+#include <QLayout>
+#include <QHBoxLayout>
+#include <QVBoxLayout>
+#include <QPushButton>
+
+CollapsibleWidget::CollapsibleWidget(QWidget* parent) : QWidget(parent)
+{
+	layout = new QVBoxLayout(this);
+	layout->setMargin(0);
+
+	title_bar = new QHBoxLayout();
+	title_bar->setMargin(0);
+	enabled_check = new QCheckBox();
+	enabled_check->setChecked(true);
+	header = new QLabel();
+	collapse_button = new QPushButton("-");
+	collapse_button->setMaximumWidth(25);
+	setText("<untitled>");
+	title_bar->addWidget(collapse_button);
+	title_bar->addWidget(enabled_check);
+	title_bar->addWidget(header);
+	title_bar->addStretch();
+	layout->addLayout(title_bar);
+
+	line = new QFrame();
+	line->setFrameShape(QFrame::HLine);
+	line->setFrameShadow(QFrame::Sunken);
+	layout->addWidget(line);
+
+	contents = NULL;
+}
+
+void CollapsibleWidget::setContents(QWidget* c) {
+	bool existing = (contents != NULL);
+	contents = c;
+	if (!existing) {
+		layout->addWidget(contents);
+		connect(enabled_check, SIGNAL(toggled(bool)), this, SLOT(on_enabled_change(bool)));
+		connect(collapse_button, SIGNAL(clicked()), this, SLOT(on_visible_change()));
+	}
+}
+
+void CollapsibleWidget::setText(const QString &s) {
+	header->setText(s);
+}
+
+void CollapsibleWidget::on_enabled_change(bool b) {
+	contents->setEnabled(b);
+}
+
+void CollapsibleWidget::on_visible_change() {
+	contents->setVisible(!contents->isVisible());
+	collapse_button->setText(contents->isVisible() ? "-" : "+");
+}