You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
135 lines
3.5 KiB
135 lines
3.5 KiB
/*
|
|
* radiobutton.cpp - radio button with read-only option
|
|
* Program: kalarm
|
|
* Copyright (c) 2002, 2003 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 "radiobutton.moc"
|
|
|
|
|
|
RadioButton::RadioButton(TQWidget* parent, const char* name)
|
|
: TQRadioButton(parent, name),
|
|
mFocusPolicy(focusPolicy()),
|
|
mFocusWidget(0),
|
|
mReadOnly(false)
|
|
{ }
|
|
|
|
RadioButton::RadioButton(const TQString& text, TQWidget* parent, const char* name)
|
|
: TQRadioButton(text, parent, name),
|
|
mFocusPolicy(focusPolicy()),
|
|
mFocusWidget(0),
|
|
mReadOnly(false)
|
|
{ }
|
|
|
|
/******************************************************************************
|
|
* Set the read-only status. If read-only, the button can be toggled by the
|
|
* application, but not by the user.
|
|
*/
|
|
void RadioButton::setReadOnly(bool ro)
|
|
{
|
|
if ((int)ro != (int)mReadOnly)
|
|
{
|
|
mReadOnly = ro;
|
|
setFocusPolicy(ro ? TQWidget::NoFocus : mFocusPolicy);
|
|
if (ro)
|
|
clearFocus();
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Specify a widget to receive focus when the button is clicked on.
|
|
*/
|
|
void RadioButton::setFocusWidget(TQWidget* w, bool enable)
|
|
{
|
|
mFocusWidget = w;
|
|
mFocusWidgetEnable = enable;
|
|
if (w)
|
|
connect(this, TQ_SIGNAL(clicked()), TQ_SLOT(slotClicked()));
|
|
else
|
|
disconnect(this, TQ_SIGNAL(clicked()), this, TQ_SLOT(slotClicked()));
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Called when the button is clicked.
|
|
* If it is now checked, focus is transferred to any specified focus widget.
|
|
*/
|
|
void RadioButton::slotClicked()
|
|
{
|
|
if (mFocusWidget && isChecked())
|
|
{
|
|
if (mFocusWidgetEnable)
|
|
mFocusWidget->setEnabled(true);
|
|
mFocusWidget->setFocus();
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* Event handlers to intercept events if in read-only mode.
|
|
* Any events which could change the button state are discarded.
|
|
*/
|
|
void RadioButton::mousePressEvent(TQMouseEvent* e)
|
|
{
|
|
if (mReadOnly)
|
|
{
|
|
// Swallow up the event if it's the left button
|
|
if (e->button() == TQt::LeftButton)
|
|
return;
|
|
}
|
|
TQRadioButton::mousePressEvent(e);
|
|
}
|
|
|
|
void RadioButton::mouseReleaseEvent(TQMouseEvent* e)
|
|
{
|
|
if (mReadOnly)
|
|
{
|
|
// Swallow up the event if it's the left button
|
|
if (e->button() == TQt::LeftButton)
|
|
return;
|
|
}
|
|
TQRadioButton::mouseReleaseEvent(e);
|
|
}
|
|
|
|
void RadioButton::mouseMoveEvent(TQMouseEvent* e)
|
|
{
|
|
if (!mReadOnly)
|
|
TQRadioButton::mouseMoveEvent(e);
|
|
}
|
|
|
|
void RadioButton::keyPressEvent(TQKeyEvent* e)
|
|
{
|
|
if (mReadOnly)
|
|
switch (e->key())
|
|
{
|
|
case TQt::Key_Up:
|
|
case TQt::Key_Left:
|
|
case TQt::Key_Right:
|
|
case TQt::Key_Down:
|
|
// Process keys which shift the focus
|
|
case TQt::Key_Escape:
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
TQRadioButton::keyPressEvent(e);
|
|
}
|
|
|
|
void RadioButton::keyReleaseEvent(TQKeyEvent* e)
|
|
{
|
|
if (!mReadOnly)
|
|
TQRadioButton::keyReleaseEvent(e);
|
|
}
|