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119 lines
3.3 KiB
119 lines
3.3 KiB
/*
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* label.cpp - label with radiobutton buddy option
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* Program: kalarm
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* Copyright (C) 2004 by David Jarvie <software@astrojar.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "kalarm.h"
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#include <tqradiobutton.h>
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#include "label.moc"
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Label::Label(TQWidget* parent, const char* name, WFlags f)
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: TQLabel(parent, name, f),
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mRadioButton(0),
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mFocusWidget(0)
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{ }
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Label::Label(const TQString& text, TQWidget* parent, const char* name, WFlags f)
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: TQLabel(text, parent, name, f),
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mRadioButton(0),
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mFocusWidget(0)
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{ }
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Label::Label(TQWidget* buddy, const TQString& text, TQWidget* parent, const char* name, WFlags f)
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: TQLabel(buddy, text, parent, name, f),
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mRadioButton(0),
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mFocusWidget(0)
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{ }
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/******************************************************************************
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* Set a buddy widget.
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* If it (or its focus proxy) is a radio button, create a focus widget.
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* When the accelerator key is pressed, the focus widget then receives focus.
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* That event triggers the selection of the radio button.
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*/
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void Label::setBuddy(TQWidget* bud)
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{
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if (mRadioButton)
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disconnect(mRadioButton, TQT_SIGNAL(destroyed()), this, TQT_SLOT(buddyDead()));
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TQWidget* w = bud;
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if (w)
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{
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while (w->focusProxy())
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w = TQT_TQWIDGET(w->focusProxy());
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if (!w->inherits("TQRadioButton"))
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w = 0;
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}
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if (!w)
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{
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// The buddy widget isn't a radio button
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TQLabel::setBuddy(bud);
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delete mFocusWidget;
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mFocusWidget = 0;
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mRadioButton = 0;
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}
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else
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{
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// The buddy widget is a radio button, so set a different buddy
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if (!mFocusWidget)
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mFocusWidget = new LabelFocusWidget(this);
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TQLabel::setBuddy(mFocusWidget);
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mRadioButton = (TQRadioButton*)bud;
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connect(mRadioButton, TQT_SIGNAL(destroyed()), this, TQT_SLOT(buddyDead()));
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}
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}
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void Label::buddyDead()
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{
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delete mFocusWidget;
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mFocusWidget = 0;
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mRadioButton = 0;
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}
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/******************************************************************************
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* Called when focus is transferred to the label's special focus widget.
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* Transfer focus to the radio button and select it.
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*/
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void Label::activated()
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{
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if (mFocusWidget && mRadioButton)
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{
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mRadioButton->setFocus();
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mRadioButton->setChecked(true);
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}
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}
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/*=============================================================================
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* Class: LabelFocusWidget
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=============================================================================*/
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LabelFocusWidget::LabelFocusWidget(TQWidget* parent, const char* name)
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: TQWidget(parent, name)
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{
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setFocusPolicy(TQWidget::ClickFocus);
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setFixedSize(TQSize(1,1));
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}
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void LabelFocusWidget::focusInEvent(TQFocusEvent*)
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{
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Label* parent = (Label*)parentWidget();
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parent->activated();
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}
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