1 files changed, 118 insertions, 0 deletions
diff --git a/kalarm/lib/label.cpp b/kalarm/lib/label.cpp
new file mode 100644
index 000000000..c61ce76ad
--- /dev/null
+++ b/kalarm/lib/label.cpp
@@ -0,0 +1,118 @@
+/*
+ *  label.cpp  -  label with radiobutton buddy option
+ *  Program:  kalarm
+ *  Copyright (C) 2004 by David Jarvie <software@astrojar.org.uk>
+ *
+ *  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.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "kalarm.h"
+#include <qradiobutton.h>
+#include "label.moc"
+
+
+Label::Label(QWidget* parent, const char* name, WFlags f)
+	: QLabel(parent, name, f),
+	  mRadioButton(0),
+	  mFocusWidget(0)
+{ }
+
+Label::Label(const QString& text, QWidget* parent, const char* name, WFlags f)
+	: QLabel(text, parent, name, f),
+	  mRadioButton(0),
+	  mFocusWidget(0)
+{ }
+
+Label::Label(QWidget* buddy, const QString& text, QWidget* parent, const char* name, WFlags f)
+	: QLabel(buddy, text, parent, name, f),
+	  mRadioButton(0),
+	  mFocusWidget(0)
+{ }
+
+/******************************************************************************
+* Set a buddy widget.
+* If it (or its focus proxy) is a radio button, create a focus widget.
+* When the accelerator key is pressed, the focus widget then receives focus.
+* That event triggers the selection of the radio button.
+*/
+void Label::setBuddy(QWidget* bud)
+{
+	if (mRadioButton)
+		disconnect(mRadioButton, SIGNAL(destroyed()), this, SLOT(buddyDead()));
+	QWidget* w = bud;
+	if (w)
+	{
+		while (w->focusProxy())
+			w = w->focusProxy();
+		if (!w->inherits("QRadioButton"))
+			w = 0;
+	}
+	if (!w)
+	{
+		// The buddy widget isn't a radio button
+		QLabel::setBuddy(bud);
+		delete mFocusWidget;
+		mFocusWidget = 0;
+		mRadioButton = 0;
+	}
+	else
+	{
+		// The buddy widget is a radio button, so set a different buddy
+		if (!mFocusWidget)
+			mFocusWidget = new LabelFocusWidget(this);
+		QLabel::setBuddy(mFocusWidget);
+		mRadioButton = (QRadioButton*)bud;
+		connect(mRadioButton, SIGNAL(destroyed()), this, SLOT(buddyDead()));
+	}
+}
+
+void Label::buddyDead()
+{
+	delete mFocusWidget;
+	mFocusWidget = 0;
+	mRadioButton = 0;
+}
+
+/******************************************************************************
+* Called when focus is transferred to the label's special focus widget.
+* Transfer focus to the radio button and select it.
+*/
+void Label::activated()
+{
+	if (mFocusWidget  &&  mRadioButton)
+	{
+		mRadioButton->setFocus();
+		mRadioButton->setChecked(true);
+	}
+}
+
+
+/*=============================================================================
+* Class: LabelFocusWidget
+=============================================================================*/
+
+LabelFocusWidget::LabelFocusWidget(QWidget* parent, const char* name)
+	: QWidget(parent, name)
+{
+	setFocusPolicy(ClickFocus);
+	setFixedSize(QSize(1,1));
+}
+
+void LabelFocusWidget::focusInEvent(QFocusEvent*)
+{
+	Label* parent = (Label*)parentWidget();
+	parent->activated();
+
+}